diff options
Diffstat (limited to 'drivers/media/usb/em28xx')
| -rw-r--r-- | drivers/media/usb/em28xx/Kconfig | 80 | ||||
| -rw-r--r-- | drivers/media/usb/em28xx/Makefile | 15 | ||||
| -rw-r--r-- | drivers/media/usb/em28xx/em28xx-audio.c | 1070 | ||||
| -rw-r--r-- | drivers/media/usb/em28xx/em28xx-camera.c | 422 | ||||
| -rw-r--r-- | drivers/media/usb/em28xx/em28xx-cards.c | 4083 | ||||
| -rw-r--r-- | drivers/media/usb/em28xx/em28xx-core.c | 1179 | ||||
| -rw-r--r-- | drivers/media/usb/em28xx/em28xx-dvb.c | 2067 | ||||
| -rw-r--r-- | drivers/media/usb/em28xx/em28xx-i2c.c | 1034 | ||||
| -rw-r--r-- | drivers/media/usb/em28xx/em28xx-input.c | 966 | ||||
| -rw-r--r-- | drivers/media/usb/em28xx/em28xx-reg.h | 301 | ||||
| -rw-r--r-- | drivers/media/usb/em28xx/em28xx-v4l.h | 20 | ||||
| -rw-r--r-- | drivers/media/usb/em28xx/em28xx-vbi.c | 99 | ||||
| -rw-r--r-- | drivers/media/usb/em28xx/em28xx-video.c | 2945 | ||||
| -rw-r--r-- | drivers/media/usb/em28xx/em28xx.h | 855 |
14 files changed, 15136 insertions, 0 deletions
diff --git a/drivers/media/usb/em28xx/Kconfig b/drivers/media/usb/em28xx/Kconfig new file mode 100644 index 000000000..451e07652 --- /dev/null +++ b/drivers/media/usb/em28xx/Kconfig @@ -0,0 +1,80 @@ +config VIDEO_EM28XX + tristate "Empia EM28xx USB devices support" + depends on VIDEO_DEV && I2C + select VIDEO_TUNER + select VIDEO_TVEEPROM + +config VIDEO_EM28XX_V4L2 + tristate "Empia EM28xx analog TV, video capture and/or webcam support" + depends on VIDEO_EM28XX + select VIDEOBUF2_VMALLOC + select VIDEO_SAA711X if MEDIA_SUBDRV_AUTOSELECT + select VIDEO_TVP5150 if MEDIA_SUBDRV_AUTOSELECT + select VIDEO_MSP3400 if MEDIA_SUBDRV_AUTOSELECT + select VIDEO_MT9V011 if MEDIA_SUBDRV_AUTOSELECT && MEDIA_CAMERA_SUPPORT + select VIDEO_OV2640 if MEDIA_SUBDRV_AUTOSELECT && MEDIA_CAMERA_SUPPORT + ---help--- + This is a video4linux driver for Empia 28xx based TV cards. + + To compile this driver as a module, choose M here: the + module will be called em28xx + +config VIDEO_EM28XX_ALSA + depends on VIDEO_EM28XX && SND + select SND_PCM + tristate "Empia EM28xx ALSA audio module" + ---help--- + This is an ALSA driver for some Empia 28xx based TV cards. + + This is not required for em2800/em2820/em2821 boards. However, + newer em28xx devices uses Vendor Class for audio, instead of + implementing the USB Audio Class. For those chips, this module + will enable digital audio. + + To compile this driver as a module, choose M here: the + module will be called em28xx-alsa + +config VIDEO_EM28XX_DVB + tristate "DVB/ATSC Support for em28xx based TV cards" + depends on VIDEO_EM28XX && DVB_CORE + select DVB_LGDT330X if MEDIA_SUBDRV_AUTOSELECT + select DVB_LGDT3305 if MEDIA_SUBDRV_AUTOSELECT + select DVB_LGDT3306A if MEDIA_SUBDRV_AUTOSELECT + select DVB_ZL10353 if MEDIA_SUBDRV_AUTOSELECT + select DVB_TDA10023 if MEDIA_SUBDRV_AUTOSELECT + select DVB_S921 if MEDIA_SUBDRV_AUTOSELECT + select DVB_DRXD if MEDIA_SUBDRV_AUTOSELECT + select DVB_CXD2820R if MEDIA_SUBDRV_AUTOSELECT + select DVB_DRXK if MEDIA_SUBDRV_AUTOSELECT + select DVB_TDA18271C2DD if MEDIA_SUBDRV_AUTOSELECT + select DVB_TDA10071 if MEDIA_SUBDRV_AUTOSELECT + select DVB_A8293 if MEDIA_SUBDRV_AUTOSELECT + select DVB_MT352 if MEDIA_SUBDRV_AUTOSELECT + select DVB_S5H1409 if MEDIA_SUBDRV_AUTOSELECT + select DVB_MB86A20S if MEDIA_SUBDRV_AUTOSELECT + select MEDIA_TUNER_QT1010 if MEDIA_SUBDRV_AUTOSELECT + select MEDIA_TUNER_TDA18271 if MEDIA_SUBDRV_AUTOSELECT + select MEDIA_TUNER_TDA18212 if MEDIA_SUBDRV_AUTOSELECT + select DVB_M88DS3103 if MEDIA_SUBDRV_AUTOSELECT + select DVB_TS2020 if MEDIA_SUBDRV_AUTOSELECT + select DVB_DRX39XYJ if MEDIA_SUBDRV_AUTOSELECT + select DVB_SI2168 if MEDIA_SUBDRV_AUTOSELECT + select MEDIA_TUNER_SI2157 if MEDIA_SUBDRV_AUTOSELECT + select DVB_TC90522 if MEDIA_SUBDRV_AUTOSELECT + select MEDIA_TUNER_QM1D1C0042 if MEDIA_SUBDRV_AUTOSELECT + select MEDIA_TUNER_SIMPLE if MEDIA_SUBDRV_AUTOSELECT + select MEDIA_TUNER_XC2028 if MEDIA_SUBDRV_AUTOSELECT + select MEDIA_TUNER_XC5000 if MEDIA_SUBDRV_AUTOSELECT + select MEDIA_TUNER_MT2060 if MEDIA_SUBDRV_AUTOSELECT + ---help--- + This adds support for DVB cards based on the + Empiatech em28xx chips. + +config VIDEO_EM28XX_RC + tristate "EM28XX Remote Controller support" + depends on RC_CORE + depends on VIDEO_EM28XX + depends on !(RC_CORE=m && VIDEO_EM28XX=y) + default VIDEO_EM28XX + ---help--- + Enables Remote Controller support on em28xx driver. diff --git a/drivers/media/usb/em28xx/Makefile b/drivers/media/usb/em28xx/Makefile new file mode 100644 index 000000000..8a224007d --- /dev/null +++ b/drivers/media/usb/em28xx/Makefile @@ -0,0 +1,15 @@ +# SPDX-License-Identifier: GPL-2.0 +em28xx-y += em28xx-core.o em28xx-i2c.o em28xx-cards.o em28xx-camera.o + +em28xx-v4l-objs := em28xx-video.o em28xx-vbi.o +em28xx-alsa-objs := em28xx-audio.o +em28xx-rc-objs := em28xx-input.o + +obj-$(CONFIG_VIDEO_EM28XX) += em28xx.o +obj-$(CONFIG_VIDEO_EM28XX_V4L2) += em28xx-v4l.o +obj-$(CONFIG_VIDEO_EM28XX_ALSA) += em28xx-alsa.o +obj-$(CONFIG_VIDEO_EM28XX_DVB) += em28xx-dvb.o +obj-$(CONFIG_VIDEO_EM28XX_RC) += em28xx-rc.o + +ccflags-y += -Idrivers/media/tuners +ccflags-y += -Idrivers/media/dvb-frontends diff --git a/drivers/media/usb/em28xx/em28xx-audio.c b/drivers/media/usb/em28xx/em28xx-audio.c new file mode 100644 index 000000000..8e799ae1d --- /dev/null +++ b/drivers/media/usb/em28xx/em28xx-audio.c @@ -0,0 +1,1070 @@ +// SPDX-License-Identifier: GPL-2.0+ +// +// Empiatech em28x1 audio extension +// +// Copyright (C) 2006 Markus Rechberger <mrechberger@gmail.com> +// +// Copyright (C) 2007-2016 Mauro Carvalho Chehab +// - Port to work with the in-kernel driver +// - Cleanups, fixes, alsa-controls, etc. +// +// This driver is based on my previous au600 usb pstn audio driver +// and inherits all the copyrights +// +// This program is free software; you can redistribute it and/or modify +// it under the terms of the GNU General Public License as published by +// the Free Software Foundation; either version 2 of the License, or +// (at your option) any later version. +// +// This program is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. + +#include "em28xx.h" + +#include <linux/kernel.h> +#include <linux/usb.h> +#include <linux/init.h> +#include <linux/sound.h> +#include <linux/spinlock.h> +#include <linux/soundcard.h> +#include <linux/slab.h> +#include <linux/vmalloc.h> +#include <linux/proc_fs.h> +#include <linux/module.h> +#include <sound/core.h> +#include <sound/pcm.h> +#include <sound/pcm_params.h> +#include <sound/info.h> +#include <sound/initval.h> +#include <sound/control.h> +#include <sound/tlv.h> +#include <sound/ac97_codec.h> +#include <media/v4l2-common.h> + +static int debug; +module_param(debug, int, 0644); +MODULE_PARM_DESC(debug, "activates debug info"); + +#define EM28XX_MAX_AUDIO_BUFS 5 +#define EM28XX_MIN_AUDIO_PACKETS 64 + +#define dprintk(fmt, arg...) do { \ + if (debug) \ + dev_printk(KERN_DEBUG, &dev->intf->dev, \ + "video: %s: " fmt, __func__, ## arg); \ +} while (0) + +static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; + +static int em28xx_deinit_isoc_audio(struct em28xx *dev) +{ + int i; + + dprintk("Stopping isoc\n"); + for (i = 0; i < dev->adev.num_urb; i++) { + struct urb *urb = dev->adev.urb[i]; + + if (!irqs_disabled()) + usb_kill_urb(urb); + else + usb_unlink_urb(urb); + } + + return 0; +} + +static void em28xx_audio_isocirq(struct urb *urb) +{ + struct em28xx *dev = urb->context; + int i; + unsigned int oldptr; + int period_elapsed = 0; + int status; + unsigned char *cp; + unsigned int stride; + struct snd_pcm_substream *substream; + struct snd_pcm_runtime *runtime; + + if (dev->disconnected) { + dprintk("device disconnected while streaming. URB status=%d.\n", + urb->status); + atomic_set(&dev->adev.stream_started, 0); + return; + } + + switch (urb->status) { + case 0: /* success */ + case -ETIMEDOUT: /* NAK */ + break; + case -ECONNRESET: /* kill */ + case -ENOENT: + case -ESHUTDOWN: + return; + default: /* error */ + dprintk("urb completion error %d.\n", urb->status); + break; + } + + if (atomic_read(&dev->adev.stream_started) == 0) + return; + + if (dev->adev.capture_pcm_substream) { + substream = dev->adev.capture_pcm_substream; + runtime = substream->runtime; + stride = runtime->frame_bits >> 3; + + for (i = 0; i < urb->number_of_packets; i++) { + int length = + urb->iso_frame_desc[i].actual_length / stride; + cp = (unsigned char *)urb->transfer_buffer + + urb->iso_frame_desc[i].offset; + + if (!length) + continue; + + oldptr = dev->adev.hwptr_done_capture; + if (oldptr + length >= runtime->buffer_size) { + unsigned int cnt = + runtime->buffer_size - oldptr; + memcpy(runtime->dma_area + oldptr * stride, cp, + cnt * stride); + memcpy(runtime->dma_area, cp + cnt * stride, + length * stride - cnt * stride); + } else { + memcpy(runtime->dma_area + oldptr * stride, cp, + length * stride); + } + + snd_pcm_stream_lock(substream); + + dev->adev.hwptr_done_capture += length; + if (dev->adev.hwptr_done_capture >= + runtime->buffer_size) + dev->adev.hwptr_done_capture -= + runtime->buffer_size; + + dev->adev.capture_transfer_done += length; + if (dev->adev.capture_transfer_done >= + runtime->period_size) { + dev->adev.capture_transfer_done -= + runtime->period_size; + period_elapsed = 1; + } + + snd_pcm_stream_unlock(substream); + } + if (period_elapsed) + snd_pcm_period_elapsed(substream); + } + urb->status = 0; + + status = usb_submit_urb(urb, GFP_ATOMIC); + if (status < 0) + dev_err(&dev->intf->dev, + "resubmit of audio urb failed (error=%i)\n", + status); +} + +static int em28xx_init_audio_isoc(struct em28xx *dev) +{ + int i, err; + + dprintk("Starting isoc transfers\n"); + + /* Start streaming */ + for (i = 0; i < dev->adev.num_urb; i++) { + memset(dev->adev.transfer_buffer[i], 0x80, + dev->adev.urb[i]->transfer_buffer_length); + + err = usb_submit_urb(dev->adev.urb[i], GFP_ATOMIC); + if (err) { + dev_err(&dev->intf->dev, + "submit of audio urb failed (error=%i)\n", + err); + em28xx_deinit_isoc_audio(dev); + atomic_set(&dev->adev.stream_started, 0); + return err; + } + } + + return 0; +} + +static int snd_pcm_alloc_vmalloc_buffer(struct snd_pcm_substream *subs, + size_t size) +{ + struct em28xx *dev = snd_pcm_substream_chip(subs); + struct snd_pcm_runtime *runtime = subs->runtime; + + dprintk("Allocating vbuffer\n"); + if (runtime->dma_area) { + if (runtime->dma_bytes > size) + return 0; + + vfree(runtime->dma_area); + } + runtime->dma_area = vmalloc(size); + if (!runtime->dma_area) + return -ENOMEM; + + runtime->dma_bytes = size; + + return 0; +} + +static const struct snd_pcm_hardware snd_em28xx_hw_capture = { + .info = SNDRV_PCM_INFO_BLOCK_TRANSFER | + SNDRV_PCM_INFO_MMAP | + SNDRV_PCM_INFO_INTERLEAVED | + SNDRV_PCM_INFO_BATCH | + SNDRV_PCM_INFO_MMAP_VALID, + + .formats = SNDRV_PCM_FMTBIT_S16_LE, + + .rates = SNDRV_PCM_RATE_48000, + + .rate_min = 48000, + .rate_max = 48000, + .channels_min = 2, + .channels_max = 2, + .buffer_bytes_max = 62720 * 8, /* just about the value in usbaudio.c */ + + /* + * The period is 12.288 bytes. Allow a 10% of variation along its + * value, in order to avoid overruns/underruns due to some clock + * drift. + * + * FIXME: This period assumes 64 packets, and a 48000 PCM rate. + * Calculate it dynamically. + */ + .period_bytes_min = 11059, + .period_bytes_max = 13516, + + .periods_min = 2, + .periods_max = 98, /* 12544, */ +}; + +static int snd_em28xx_capture_open(struct snd_pcm_substream *substream) +{ + struct em28xx *dev = snd_pcm_substream_chip(substream); + struct snd_pcm_runtime *runtime = substream->runtime; + int nonblock, ret = 0; + + if (!dev) { + pr_err("em28xx-audio: BUG: em28xx can't find device struct. Can't proceed with open\n"); + return -ENODEV; + } + + if (dev->disconnected) + return -ENODEV; + + dprintk("opening device and trying to acquire exclusive lock\n"); + + nonblock = !!(substream->f_flags & O_NONBLOCK); + if (nonblock) { + if (!mutex_trylock(&dev->lock)) + return -EAGAIN; + } else { + mutex_lock(&dev->lock); + } + + runtime->hw = snd_em28xx_hw_capture; + + if (dev->adev.users == 0) { + if (!dev->alt || dev->is_audio_only) { + struct usb_device *udev; + + udev = interface_to_usbdev(dev->intf); + + if (dev->is_audio_only) + /* audio is on a separate interface */ + dev->alt = 1; + else + /* audio is on the same interface as video */ + dev->alt = 7; + /* + * FIXME: The intention seems to be to select + * the alt setting with the largest + * wMaxPacketSize for the video endpoint. + * At least dev->alt should be used instead, but + * we should probably not touch it at all if it + * is already >0, because wMaxPacketSize of the + * audio endpoints seems to be the same for all. + */ + dprintk("changing alternate number on interface %d to %d\n", + dev->ifnum, dev->alt); + usb_set_interface(udev, dev->ifnum, dev->alt); + } + + /* Sets volume, mute, etc */ + dev->mute = 0; + ret = em28xx_audio_analog_set(dev); + if (ret < 0) + goto err; + } + + kref_get(&dev->ref); + dev->adev.users++; + mutex_unlock(&dev->lock); + + /* Dynamically adjust the period size */ + snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS); + snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, + dev->adev.period * 95 / 100, + dev->adev.period * 105 / 100); + + dev->adev.capture_pcm_substream = substream; + + return 0; +err: + mutex_unlock(&dev->lock); + + dev_err(&dev->intf->dev, + "Error while configuring em28xx mixer\n"); + return ret; +} + +static int snd_em28xx_pcm_close(struct snd_pcm_substream *substream) +{ + struct em28xx *dev = snd_pcm_substream_chip(substream); + + dprintk("closing device\n"); + + dev->mute = 1; + mutex_lock(&dev->lock); + dev->adev.users--; + if (atomic_read(&dev->adev.stream_started) > 0) { + atomic_set(&dev->adev.stream_started, 0); + schedule_work(&dev->adev.wq_trigger); + } + + em28xx_audio_analog_set(dev); + if (substream->runtime->dma_area) { + dprintk("freeing\n"); + vfree(substream->runtime->dma_area); + substream->runtime->dma_area = NULL; + } + mutex_unlock(&dev->lock); + kref_put(&dev->ref, em28xx_free_device); + + return 0; +} + +static int snd_em28xx_hw_capture_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *hw_params) +{ + int ret; + struct em28xx *dev = snd_pcm_substream_chip(substream); + + if (dev->disconnected) + return -ENODEV; + + dprintk("Setting capture parameters\n"); + + ret = snd_pcm_alloc_vmalloc_buffer(substream, + params_buffer_bytes(hw_params)); + if (ret < 0) + return ret; +#if 0 + /* + * TODO: set up em28xx audio chip to deliver the correct audio format, + * current default is 48000hz multiplexed => 96000hz mono + * which shouldn't matter since analogue TV only supports mono + */ + unsigned int channels, rate, format; + + format = params_format(hw_params); + rate = params_rate(hw_params); + channels = params_channels(hw_params); +#endif + + return 0; +} + +static int snd_em28xx_hw_capture_free(struct snd_pcm_substream *substream) +{ + struct em28xx *dev = snd_pcm_substream_chip(substream); + struct em28xx_audio *adev = &dev->adev; + + dprintk("Stop capture, if needed\n"); + + if (atomic_read(&adev->stream_started) > 0) { + atomic_set(&adev->stream_started, 0); + schedule_work(&adev->wq_trigger); + } + + return 0; +} + +static int snd_em28xx_prepare(struct snd_pcm_substream *substream) +{ + struct em28xx *dev = snd_pcm_substream_chip(substream); + + if (dev->disconnected) + return -ENODEV; + + dev->adev.hwptr_done_capture = 0; + dev->adev.capture_transfer_done = 0; + + return 0; +} + +static void audio_trigger(struct work_struct *work) +{ + struct em28xx_audio *adev = + container_of(work, struct em28xx_audio, wq_trigger); + struct em28xx *dev = container_of(adev, struct em28xx, adev); + + if (atomic_read(&adev->stream_started)) { + dprintk("starting capture"); + em28xx_init_audio_isoc(dev); + } else { + dprintk("stopping capture"); + em28xx_deinit_isoc_audio(dev); + } +} + +static int snd_em28xx_capture_trigger(struct snd_pcm_substream *substream, + int cmd) +{ + struct em28xx *dev = snd_pcm_substream_chip(substream); + int retval = 0; + + if (dev->disconnected) + return -ENODEV; + + switch (cmd) { + case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: /* fall through */ + case SNDRV_PCM_TRIGGER_RESUME: /* fall through */ + case SNDRV_PCM_TRIGGER_START: + atomic_set(&dev->adev.stream_started, 1); + break; + case SNDRV_PCM_TRIGGER_PAUSE_PUSH: /* fall through */ + case SNDRV_PCM_TRIGGER_SUSPEND: /* fall through */ + case SNDRV_PCM_TRIGGER_STOP: + atomic_set(&dev->adev.stream_started, 0); + break; + default: + retval = -EINVAL; + } + schedule_work(&dev->adev.wq_trigger); + return retval; +} + +static snd_pcm_uframes_t snd_em28xx_capture_pointer(struct snd_pcm_substream + *substream) +{ + unsigned long flags; + struct em28xx *dev; + snd_pcm_uframes_t hwptr_done; + + dev = snd_pcm_substream_chip(substream); + if (dev->disconnected) + return SNDRV_PCM_POS_XRUN; + + spin_lock_irqsave(&dev->adev.slock, flags); + hwptr_done = dev->adev.hwptr_done_capture; + spin_unlock_irqrestore(&dev->adev.slock, flags); + + return hwptr_done; +} + +static struct page *snd_pcm_get_vmalloc_page(struct snd_pcm_substream *subs, + unsigned long offset) +{ + void *pageptr = subs->runtime->dma_area + offset; + + return vmalloc_to_page(pageptr); +} + +/* + * AC97 volume control support + */ +static int em28xx_vol_info(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *info) +{ + struct em28xx *dev = snd_kcontrol_chip(kcontrol); + + if (dev->disconnected) + return -ENODEV; + + info->type = SNDRV_CTL_ELEM_TYPE_INTEGER; + info->count = 2; + info->value.integer.min = 0; + info->value.integer.max = 0x1f; + + return 0; +} + +static int em28xx_vol_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *value) +{ + struct em28xx *dev = snd_kcontrol_chip(kcontrol); + struct snd_pcm_substream *substream = dev->adev.capture_pcm_substream; + u16 val = (0x1f - (value->value.integer.value[0] & 0x1f)) | + (0x1f - (value->value.integer.value[1] & 0x1f)) << 8; + int nonblock = 0; + int rc; + + if (dev->disconnected) + return -ENODEV; + + if (substream) + nonblock = !!(substream->f_flags & O_NONBLOCK); + if (nonblock) { + if (!mutex_trylock(&dev->lock)) + return -EAGAIN; + } else { + mutex_lock(&dev->lock); + } + rc = em28xx_read_ac97(dev, kcontrol->private_value); + if (rc < 0) + goto err; + + val |= rc & 0x8000; /* Preserve the mute flag */ + + rc = em28xx_write_ac97(dev, kcontrol->private_value, val); + if (rc < 0) + goto err; + + dprintk("%sleft vol %d, right vol %d (0x%04x) to ac97 volume control 0x%04x\n", + (val & 0x8000) ? "muted " : "", + 0x1f - ((val >> 8) & 0x1f), 0x1f - (val & 0x1f), + val, (int)kcontrol->private_value); + +err: + mutex_unlock(&dev->lock); + return rc; +} + +static int em28xx_vol_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *value) +{ + struct em28xx *dev = snd_kcontrol_chip(kcontrol); + struct snd_pcm_substream *substream = dev->adev.capture_pcm_substream; + int nonblock = 0; + int val; + + if (dev->disconnected) + return -ENODEV; + + if (substream) + nonblock = !!(substream->f_flags & O_NONBLOCK); + if (nonblock) { + if (!mutex_trylock(&dev->lock)) + return -EAGAIN; + } else { + mutex_lock(&dev->lock); + } + val = em28xx_read_ac97(dev, kcontrol->private_value); + mutex_unlock(&dev->lock); + if (val < 0) + return val; + + dprintk("%sleft vol %d, right vol %d (0x%04x) from ac97 volume control 0x%04x\n", + (val & 0x8000) ? "muted " : "", + 0x1f - ((val >> 8) & 0x1f), 0x1f - (val & 0x1f), + val, (int)kcontrol->private_value); + + value->value.integer.value[0] = 0x1f - (val & 0x1f); + value->value.integer.value[1] = 0x1f - ((val >> 8) & 0x1f); + + return 0; +} + +static int em28xx_vol_put_mute(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *value) +{ + struct em28xx *dev = snd_kcontrol_chip(kcontrol); + u16 val = value->value.integer.value[0]; + struct snd_pcm_substream *substream = dev->adev.capture_pcm_substream; + int nonblock = 0; + int rc; + + if (dev->disconnected) + return -ENODEV; + + if (substream) + nonblock = !!(substream->f_flags & O_NONBLOCK); + if (nonblock) { + if (!mutex_trylock(&dev->lock)) + return -EAGAIN; + } else { + mutex_lock(&dev->lock); + } + rc = em28xx_read_ac97(dev, kcontrol->private_value); + if (rc < 0) + goto err; + + if (val) + rc &= 0x1f1f; + else + rc |= 0x8000; + + rc = em28xx_write_ac97(dev, kcontrol->private_value, rc); + if (rc < 0) + goto err; + + dprintk("%sleft vol %d, right vol %d (0x%04x) to ac97 volume control 0x%04x\n", + (val & 0x8000) ? "muted " : "", + 0x1f - ((val >> 8) & 0x1f), 0x1f - (val & 0x1f), + val, (int)kcontrol->private_value); + +err: + mutex_unlock(&dev->lock); + return rc; +} + +static int em28xx_vol_get_mute(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *value) +{ + struct em28xx *dev = snd_kcontrol_chip(kcontrol); + struct snd_pcm_substream *substream = dev->adev.capture_pcm_substream; + int nonblock = 0; + int val; + + if (dev->disconnected) + return -ENODEV; + + if (substream) + nonblock = !!(substream->f_flags & O_NONBLOCK); + if (nonblock) { + if (!mutex_trylock(&dev->lock)) + return -EAGAIN; + } else { + mutex_lock(&dev->lock); + } + val = em28xx_read_ac97(dev, kcontrol->private_value); + mutex_unlock(&dev->lock); + if (val < 0) + return val; + + if (val & 0x8000) + value->value.integer.value[0] = 0; + else + value->value.integer.value[0] = 1; + + dprintk("%sleft vol %d, right vol %d (0x%04x) from ac97 volume control 0x%04x\n", + (val & 0x8000) ? "muted " : "", + 0x1f - ((val >> 8) & 0x1f), 0x1f - (val & 0x1f), + val, (int)kcontrol->private_value); + + return 0; +} + +static const DECLARE_TLV_DB_SCALE(em28xx_db_scale, -3450, 150, 0); + +static int em28xx_cvol_new(struct snd_card *card, struct em28xx *dev, + char *name, int id) +{ + int err; + char ctl_name[44]; + struct snd_kcontrol *kctl; + struct snd_kcontrol_new tmp; + + memset(&tmp, 0, sizeof(tmp)); + tmp.iface = SNDRV_CTL_ELEM_IFACE_MIXER, + tmp.private_value = id, + tmp.name = ctl_name, + + /* Add Mute Control */ + sprintf(ctl_name, "%s Switch", name); + tmp.get = em28xx_vol_get_mute; + tmp.put = em28xx_vol_put_mute; + tmp.info = snd_ctl_boolean_mono_info; + kctl = snd_ctl_new1(&tmp, dev); + err = snd_ctl_add(card, kctl); + if (err < 0) + return err; + dprintk("Added control %s for ac97 volume control 0x%04x\n", + ctl_name, id); + + memset(&tmp, 0, sizeof(tmp)); + tmp.iface = SNDRV_CTL_ELEM_IFACE_MIXER, + tmp.private_value = id, + tmp.name = ctl_name, + + /* Add Volume Control */ + sprintf(ctl_name, "%s Volume", name); + tmp.get = em28xx_vol_get; + tmp.put = em28xx_vol_put; + tmp.info = em28xx_vol_info; + tmp.tlv.p = em28xx_db_scale, + kctl = snd_ctl_new1(&tmp, dev); + err = snd_ctl_add(card, kctl); + if (err < 0) + return err; + dprintk("Added control %s for ac97 volume control 0x%04x\n", + ctl_name, id); + + return 0; +} + +/* + * register/unregister code and data + */ +static const struct snd_pcm_ops snd_em28xx_pcm_capture = { + .open = snd_em28xx_capture_open, + .close = snd_em28xx_pcm_close, + .ioctl = snd_pcm_lib_ioctl, + .hw_params = snd_em28xx_hw_capture_params, + .hw_free = snd_em28xx_hw_capture_free, + .prepare = snd_em28xx_prepare, + .trigger = snd_em28xx_capture_trigger, + .pointer = snd_em28xx_capture_pointer, + .page = snd_pcm_get_vmalloc_page, +}; + +static void em28xx_audio_free_urb(struct em28xx *dev) +{ + struct usb_device *udev = interface_to_usbdev(dev->intf); + int i; + + for (i = 0; i < dev->adev.num_urb; i++) { + struct urb *urb = dev->adev.urb[i]; + + if (!urb) + continue; + + usb_free_coherent(udev, urb->transfer_buffer_length, + dev->adev.transfer_buffer[i], + urb->transfer_dma); + + usb_free_urb(urb); + } + kfree(dev->adev.urb); + kfree(dev->adev.transfer_buffer); + dev->adev.num_urb = 0; +} + +/* high bandwidth multiplier, as encoded in highspeed endpoint descriptors */ +static int em28xx_audio_ep_packet_size(struct usb_device *udev, + struct usb_endpoint_descriptor *e) +{ + int size = le16_to_cpu(e->wMaxPacketSize); + + if (udev->speed == USB_SPEED_HIGH) + return (size & 0x7ff) * (1 + (((size) >> 11) & 0x03)); + + return size & 0x7ff; +} + +static int em28xx_audio_urb_init(struct em28xx *dev) +{ + struct usb_interface *intf; + struct usb_endpoint_descriptor *e, *ep = NULL; + struct usb_device *udev = interface_to_usbdev(dev->intf); + int i, ep_size, interval, num_urb, npackets; + int urb_size, bytes_per_transfer; + u8 alt; + + if (dev->ifnum) + alt = 1; + else + alt = 7; + + intf = usb_ifnum_to_if(udev, dev->ifnum); + + if (intf->num_altsetting <= alt) { + dev_err(&dev->intf->dev, "alt %d doesn't exist on interface %d\n", + dev->ifnum, alt); + return -ENODEV; + } + + for (i = 0; i < intf->altsetting[alt].desc.bNumEndpoints; i++) { + e = &intf->altsetting[alt].endpoint[i].desc; + if (!usb_endpoint_dir_in(e)) + continue; + if (e->bEndpointAddress == EM28XX_EP_AUDIO) { + ep = e; + break; + } + } + + if (!ep) { + dev_err(&dev->intf->dev, "Couldn't find an audio endpoint"); + return -ENODEV; + } + + ep_size = em28xx_audio_ep_packet_size(udev, ep); + interval = 1 << (ep->bInterval - 1); + + dev_info(&dev->intf->dev, + "Endpoint 0x%02x %s on intf %d alt %d interval = %d, size %d\n", + EM28XX_EP_AUDIO, usb_speed_string(udev->speed), + dev->ifnum, alt, interval, ep_size); + + /* Calculate the number and size of URBs to better fit the audio samples */ + + /* + * Estimate the number of bytes per DMA transfer. + * + * This is given by the bit rate (for now, only 48000 Hz) multiplied + * by 2 channels and 2 bytes/sample divided by the number of microframe + * intervals and by the microframe rate (125 us) + */ + bytes_per_transfer = DIV_ROUND_UP(48000 * 2 * 2, 125 * interval); + + /* + * Estimate the number of transfer URBs. Don't let it go past the + * maximum number of URBs that is known to be supported by the device. + */ + num_urb = DIV_ROUND_UP(bytes_per_transfer, ep_size); + if (num_urb > EM28XX_MAX_AUDIO_BUFS) + num_urb = EM28XX_MAX_AUDIO_BUFS; + + /* + * Now that we know the number of bytes per transfer and the number of + * URBs, estimate the typical size of an URB, in order to adjust the + * minimal number of packets. + */ + urb_size = bytes_per_transfer / num_urb; + + /* + * Now, calculate the amount of audio packets to be filled on each + * URB. In order to preserve the old behaviour, use a minimal + * threshold for this value. + */ + npackets = EM28XX_MIN_AUDIO_PACKETS; + if (urb_size > ep_size * npackets) + npackets = DIV_ROUND_UP(urb_size, ep_size); + + dev_info(&dev->intf->dev, + "Number of URBs: %d, with %d packets and %d size\n", + num_urb, npackets, urb_size); + + /* Estimate the bytes per period */ + dev->adev.period = urb_size * npackets; + + /* Allocate space to store the number of URBs to be used */ + + dev->adev.transfer_buffer = kcalloc(num_urb, + sizeof(*dev->adev.transfer_buffer), + GFP_ATOMIC); + if (!dev->adev.transfer_buffer) + return -ENOMEM; + + dev->adev.urb = kcalloc(num_urb, sizeof(*dev->adev.urb), GFP_ATOMIC); + if (!dev->adev.urb) { + kfree(dev->adev.transfer_buffer); + return -ENOMEM; + } + + /* Alloc memory for each URB and for each transfer buffer */ + dev->adev.num_urb = num_urb; + for (i = 0; i < num_urb; i++) { + struct urb *urb; + int j, k; + void *buf; + + urb = usb_alloc_urb(npackets, GFP_ATOMIC); + if (!urb) { + em28xx_audio_free_urb(dev); + return -ENOMEM; + } + dev->adev.urb[i] = urb; + + buf = usb_alloc_coherent(udev, npackets * ep_size, GFP_ATOMIC, + &urb->transfer_dma); + if (!buf) { + dev_err(&dev->intf->dev, + "usb_alloc_coherent failed!\n"); + em28xx_audio_free_urb(dev); + return -ENOMEM; + } + dev->adev.transfer_buffer[i] = buf; + + urb->dev = udev; + urb->context = dev; + urb->pipe = usb_rcvisocpipe(udev, EM28XX_EP_AUDIO); + urb->transfer_flags = URB_ISO_ASAP | URB_NO_TRANSFER_DMA_MAP; + urb->transfer_buffer = buf; + urb->interval = interval; + urb->complete = em28xx_audio_isocirq; + urb->number_of_packets = npackets; + urb->transfer_buffer_length = ep_size * npackets; + + for (j = k = 0; j < npackets; j++, k += ep_size) { + urb->iso_frame_desc[j].offset = k; + urb->iso_frame_desc[j].length = ep_size; + } + } + + return 0; +} + +static int em28xx_audio_init(struct em28xx *dev) +{ + struct em28xx_audio *adev = &dev->adev; + struct usb_device *udev = interface_to_usbdev(dev->intf); + struct snd_pcm *pcm; + struct snd_card *card; + static int devnr; + int err; + + if (dev->usb_audio_type != EM28XX_USB_AUDIO_VENDOR) { + /* + * This device does not support the extension (in this case + * the device is expecting the snd-usb-audio module or + * doesn't have analog audio support at all) + */ + return 0; + } + + dev_info(&dev->intf->dev, "Binding audio extension\n"); + + kref_get(&dev->ref); + + dev_info(&dev->intf->dev, + "em28xx-audio.c: Copyright (C) 2006 Markus Rechberger\n"); + dev_info(&dev->intf->dev, + "em28xx-audio.c: Copyright (C) 2007-2016 Mauro Carvalho Chehab\n"); + + err = snd_card_new(&dev->intf->dev, index[devnr], "Em28xx Audio", + THIS_MODULE, 0, &card); + if (err < 0) + return err; + + spin_lock_init(&adev->slock); + adev->sndcard = card; + adev->udev = udev; + + err = snd_pcm_new(card, "Em28xx Audio", 0, 0, 1, &pcm); + if (err < 0) + goto card_free; + + snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_em28xx_pcm_capture); + pcm->info_flags = 0; + pcm->private_data = dev; + strcpy(pcm->name, "Empia 28xx Capture"); + + strcpy(card->driver, "Em28xx-Audio"); + strcpy(card->shortname, "Em28xx Audio"); + strcpy(card->longname, "Empia Em28xx Audio"); + + INIT_WORK(&adev->wq_trigger, audio_trigger); + + if (dev->audio_mode.ac97 != EM28XX_NO_AC97) { + em28xx_cvol_new(card, dev, "Video", AC97_VIDEO); + em28xx_cvol_new(card, dev, "Line In", AC97_LINE); + em28xx_cvol_new(card, dev, "Phone", AC97_PHONE); + em28xx_cvol_new(card, dev, "Microphone", AC97_MIC); + em28xx_cvol_new(card, dev, "CD", AC97_CD); + em28xx_cvol_new(card, dev, "AUX", AC97_AUX); + em28xx_cvol_new(card, dev, "PCM", AC97_PCM); + + em28xx_cvol_new(card, dev, "Master", AC97_MASTER); + em28xx_cvol_new(card, dev, "Line", AC97_HEADPHONE); + em28xx_cvol_new(card, dev, "Mono", AC97_MASTER_MONO); + em28xx_cvol_new(card, dev, "LFE", AC97_CENTER_LFE_MASTER); + em28xx_cvol_new(card, dev, "Surround", AC97_SURROUND_MASTER); + } + + err = em28xx_audio_urb_init(dev); + if (err) + goto card_free; + + err = snd_card_register(card); + if (err < 0) + goto urb_free; + + dev_info(&dev->intf->dev, "Audio extension successfully initialized\n"); + return 0; + +urb_free: + em28xx_audio_free_urb(dev); + +card_free: + snd_card_free(card); + adev->sndcard = NULL; + + return err; +} + +static int em28xx_audio_fini(struct em28xx *dev) +{ + if (!dev) + return 0; + + if (dev->usb_audio_type != EM28XX_USB_AUDIO_VENDOR) { + /* + * This device does not support the extension (in this case + * the device is expecting the snd-usb-audio module or + * doesn't have analog audio support at all) + */ + return 0; + } + + dev_info(&dev->intf->dev, "Closing audio extension\n"); + + if (dev->adev.sndcard) { + snd_card_disconnect(dev->adev.sndcard); + flush_work(&dev->adev.wq_trigger); + + em28xx_audio_free_urb(dev); + + snd_card_free(dev->adev.sndcard); + dev->adev.sndcard = NULL; + } + + kref_put(&dev->ref, em28xx_free_device); + return 0; +} + +static int em28xx_audio_suspend(struct em28xx *dev) +{ + if (!dev) + return 0; + + if (dev->usb_audio_type != EM28XX_USB_AUDIO_VENDOR) + return 0; + + dev_info(&dev->intf->dev, "Suspending audio extension\n"); + em28xx_deinit_isoc_audio(dev); + atomic_set(&dev->adev.stream_started, 0); + return 0; +} + +static int em28xx_audio_resume(struct em28xx *dev) +{ + if (!dev) + return 0; + + if (dev->usb_audio_type != EM28XX_USB_AUDIO_VENDOR) + return 0; + + dev_info(&dev->intf->dev, "Resuming audio extension\n"); + /* Nothing to do other than schedule_work() ?? */ + schedule_work(&dev->adev.wq_trigger); + return 0; +} + +static struct em28xx_ops audio_ops = { + .id = EM28XX_AUDIO, + .name = "Em28xx Audio Extension", + .init = em28xx_audio_init, + .fini = em28xx_audio_fini, + .suspend = em28xx_audio_suspend, + .resume = em28xx_audio_resume, +}; + +static int __init em28xx_alsa_register(void) +{ + return em28xx_register_extension(&audio_ops); +} + +static void __exit em28xx_alsa_unregister(void) +{ + em28xx_unregister_extension(&audio_ops); +} + +MODULE_LICENSE("GPL v2"); +MODULE_AUTHOR("Markus Rechberger <mrechberger@gmail.com>"); +MODULE_AUTHOR("Mauro Carvalho Chehab"); +MODULE_DESCRIPTION(DRIVER_DESC " - audio interface"); +MODULE_VERSION(EM28XX_VERSION); + +module_init(em28xx_alsa_register); +module_exit(em28xx_alsa_unregister); diff --git a/drivers/media/usb/em28xx/em28xx-camera.c b/drivers/media/usb/em28xx/em28xx-camera.c new file mode 100644 index 000000000..d1e66b503 --- /dev/null +++ b/drivers/media/usb/em28xx/em28xx-camera.c @@ -0,0 +1,422 @@ +// SPDX-License-Identifier: GPL-2.0+ +// +// em28xx-camera.c - driver for Empia EM25xx/27xx/28xx USB video capture devices +// +// Copyright (C) 2009 Mauro Carvalho Chehab <mchehab@kernel.org> +// Copyright (C) 2013 Frank Schäfer <fschaefer.oss@googlemail.com> +// +// This program is free software; you can redistribute it and/or modify +// it under the terms of the GNU General Public License as published by +// the Free Software Foundation; either version 2 of the License, or +// (at your option) any later version. +// +// This program is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. + +#include "em28xx.h" + +#include <linux/i2c.h> +#include <linux/usb.h> +#include <media/i2c/mt9v011.h> +#include <media/v4l2-common.h> + +/* Possible i2c addresses of Micron sensors */ +static unsigned short micron_sensor_addrs[] = { + 0xb8 >> 1, /* MT9V111, MT9V403 */ + 0xba >> 1, /* MT9M001/011/111/112, MT9V011/012/112, MT9D011 */ + 0x90 >> 1, /* MT9V012/112, MT9D011 (alternative address) */ + I2C_CLIENT_END +}; + +/* Possible i2c addresses of Omnivision sensors */ +static unsigned short omnivision_sensor_addrs[] = { + 0x42 >> 1, /* OV7725, OV7670/60/48 */ + 0x60 >> 1, /* OV2640, OV9650/53/55 */ + I2C_CLIENT_END +}; + +/* FIXME: Should be replaced by a proper mt9m111 driver */ +static int em28xx_initialize_mt9m111(struct em28xx *dev) +{ + int i; + unsigned char regs[][3] = { + { 0x0d, 0x00, 0x01, }, /* reset and use defaults */ + { 0x0d, 0x00, 0x00, }, + { 0x0a, 0x00, 0x21, }, + { 0x21, 0x04, 0x00, }, /* full readout spd, no row/col skip */ + }; + + for (i = 0; i < ARRAY_SIZE(regs); i++) + i2c_master_send(&dev->i2c_client[dev->def_i2c_bus], + ®s[i][0], 3); + + /* FIXME: This won't be creating a sensor at the media graph */ + + return 0; +} + +/* FIXME: Should be replaced by a proper mt9m001 driver */ +static int em28xx_initialize_mt9m001(struct em28xx *dev) +{ + int i; + unsigned char regs[][3] = { + { 0x0d, 0x00, 0x01, }, + { 0x0d, 0x00, 0x00, }, + { 0x04, 0x05, 0x00, }, /* hres = 1280 */ + { 0x03, 0x04, 0x00, }, /* vres = 1024 */ + { 0x20, 0x11, 0x00, }, + { 0x06, 0x00, 0x10, }, + { 0x2b, 0x00, 0x24, }, + { 0x2e, 0x00, 0x24, }, + { 0x35, 0x00, 0x24, }, + { 0x2d, 0x00, 0x20, }, + { 0x2c, 0x00, 0x20, }, + { 0x09, 0x0a, 0xd4, }, + { 0x35, 0x00, 0x57, }, + }; + + for (i = 0; i < ARRAY_SIZE(regs); i++) + i2c_master_send(&dev->i2c_client[dev->def_i2c_bus], + ®s[i][0], 3); + + /* FIXME: This won't be creating a sensor at the media graph */ + + return 0; +} + +/* + * Probes Micron sensors with 8 bit address and 16 bit register width + */ +static int em28xx_probe_sensor_micron(struct em28xx *dev) +{ + int ret, i; + char *name; + u16 id; + + struct i2c_client *client = &dev->i2c_client[dev->def_i2c_bus]; + + dev->em28xx_sensor = EM28XX_NOSENSOR; + for (i = 0; micron_sensor_addrs[i] != I2C_CLIENT_END; i++) { + client->addr = micron_sensor_addrs[i]; + /* Read chip ID from register 0x00 */ + ret = i2c_smbus_read_word_data(client, 0x00); /* assumes LE */ + if (ret < 0) { + if (ret != -ENXIO) + dev_err(&dev->intf->dev, + "couldn't read from i2c device 0x%02x: error %i\n", + client->addr << 1, ret); + continue; + } + id = swab16(ret); /* LE -> BE */ + /* Read chip ID from register 0xff */ + ret = i2c_smbus_read_word_data(client, 0xff); + if (ret < 0) { + dev_err(&dev->intf->dev, + "couldn't read from i2c device 0x%02x: error %i\n", + client->addr << 1, ret); + continue; + } + /* Validate chip ID to be sure we have a Micron device */ + if (id != swab16(ret)) + continue; + /* Check chip ID */ + switch (id) { + case 0x1222: + name = "MT9V012"; /* MI370 */ /* 640x480 */ + break; + case 0x1229: + name = "MT9V112"; /* 640x480 */ + break; + case 0x1433: + name = "MT9M011"; /* 1280x1024 */ + break; + case 0x143a: /* found in the ECS G200 */ + name = "MT9M111"; /* MI1310 */ /* 1280x1024 */ + dev->em28xx_sensor = EM28XX_MT9M111; + break; + case 0x148c: + name = "MT9M112"; /* MI1320 */ /* 1280x1024 */ + break; + case 0x1511: + name = "MT9D011"; /* MI2010 */ /* 1600x1200 */ + break; + case 0x8232: + case 0x8243: /* rev B */ + name = "MT9V011"; /* MI360 */ /* 640x480 */ + dev->em28xx_sensor = EM28XX_MT9V011; + break; + case 0x8431: + name = "MT9M001"; /* 1280x1024 */ + dev->em28xx_sensor = EM28XX_MT9M001; + break; + default: + dev_info(&dev->intf->dev, + "unknown Micron sensor detected: 0x%04x\n", + id); + return 0; + } + + if (dev->em28xx_sensor == EM28XX_NOSENSOR) + dev_info(&dev->intf->dev, + "unsupported sensor detected: %s\n", name); + else + dev_info(&dev->intf->dev, + "sensor %s detected\n", name); + + return 0; + } + + return -ENODEV; +} + +/* + * Probes Omnivision sensors with 8 bit address and register width + */ +static int em28xx_probe_sensor_omnivision(struct em28xx *dev) +{ + int ret, i; + char *name; + u8 reg; + u16 id; + struct i2c_client *client = &dev->i2c_client[dev->def_i2c_bus]; + + dev->em28xx_sensor = EM28XX_NOSENSOR; + /* + * NOTE: these devices have the register auto incrementation disabled + * by default, so we have to use single byte reads ! + */ + for (i = 0; omnivision_sensor_addrs[i] != I2C_CLIENT_END; i++) { + client->addr = omnivision_sensor_addrs[i]; + /* Read manufacturer ID from registers 0x1c-0x1d (BE) */ + reg = 0x1c; + ret = i2c_smbus_read_byte_data(client, reg); + if (ret < 0) { + if (ret != -ENXIO) + dev_err(&dev->intf->dev, + "couldn't read from i2c device 0x%02x: error %i\n", + client->addr << 1, ret); + continue; + } + id = ret << 8; + reg = 0x1d; + ret = i2c_smbus_read_byte_data(client, reg); + if (ret < 0) { + dev_err(&dev->intf->dev, + "couldn't read from i2c device 0x%02x: error %i\n", + client->addr << 1, ret); + continue; + } + id += ret; + /* Check manufacturer ID */ + if (id != 0x7fa2) + continue; + /* Read product ID from registers 0x0a-0x0b (BE) */ + reg = 0x0a; + ret = i2c_smbus_read_byte_data(client, reg); + if (ret < 0) { + dev_err(&dev->intf->dev, + "couldn't read from i2c device 0x%02x: error %i\n", + client->addr << 1, ret); + continue; + } + id = ret << 8; + reg = 0x0b; + ret = i2c_smbus_read_byte_data(client, reg); + if (ret < 0) { + dev_err(&dev->intf->dev, + "couldn't read from i2c device 0x%02x: error %i\n", + client->addr << 1, ret); + continue; + } + id += ret; + /* Check product ID */ + switch (id) { + case 0x2642: + name = "OV2640"; + dev->em28xx_sensor = EM28XX_OV2640; + break; + case 0x7648: + name = "OV7648"; + break; + case 0x7660: + name = "OV7660"; + break; + case 0x7673: + name = "OV7670"; + break; + case 0x7720: + name = "OV7720"; + break; + case 0x7721: + name = "OV7725"; + break; + case 0x9648: /* Rev 2 */ + case 0x9649: /* Rev 3 */ + name = "OV9640"; + break; + case 0x9650: + case 0x9652: /* OV9653 */ + name = "OV9650"; + break; + case 0x9656: /* Rev 4 */ + case 0x9657: /* Rev 5 */ + name = "OV9655"; + break; + default: + dev_info(&dev->intf->dev, + "unknown OmniVision sensor detected: 0x%04x\n", + id); + return 0; + } + + if (dev->em28xx_sensor == EM28XX_NOSENSOR) + dev_info(&dev->intf->dev, + "unsupported sensor detected: %s\n", name); + else + dev_info(&dev->intf->dev, + "sensor %s detected\n", name); + + return 0; + } + + return -ENODEV; +} + +int em28xx_detect_sensor(struct em28xx *dev) +{ + int ret; + + ret = em28xx_probe_sensor_micron(dev); + + if (dev->em28xx_sensor == EM28XX_NOSENSOR && ret < 0) + ret = em28xx_probe_sensor_omnivision(dev); + + /* + * NOTE: the Windows driver also probes i2c addresses + * 0x22 (Samsung ?) and 0x66 (Kodak ?) + */ + + if (dev->em28xx_sensor == EM28XX_NOSENSOR && ret < 0) { + dev_info(&dev->intf->dev, + "No sensor detected\n"); + return -ENODEV; + } + + return 0; +} + +int em28xx_init_camera(struct em28xx *dev) +{ + struct i2c_client *client = &dev->i2c_client[dev->def_i2c_bus]; + struct i2c_adapter *adap = &dev->i2c_adap[dev->def_i2c_bus]; + struct em28xx_v4l2 *v4l2 = dev->v4l2; + + switch (dev->em28xx_sensor) { + case EM28XX_MT9V011: + { + struct mt9v011_platform_data pdata; + struct i2c_board_info mt9v011_info = { + .type = "mt9v011", + .addr = client->addr, + .platform_data = &pdata, + }; + + v4l2->sensor_xres = 640; + v4l2->sensor_yres = 480; + + /* + * FIXME: mt9v011 uses I2S speed as xtal clk - at least with + * the Silvercrest cam I have here for testing - for higher + * resolutions, a high clock cause horizontal artifacts, so we + * need to use a lower xclk frequency. + * Yet, it would be possible to adjust xclk depending on the + * desired resolution, since this affects directly the + * frame rate. + */ + dev->board.xclk = EM28XX_XCLK_FREQUENCY_4_3MHZ; + em28xx_write_reg(dev, EM28XX_R0F_XCLK, dev->board.xclk); + v4l2->sensor_xtal = 4300000; + pdata.xtal = v4l2->sensor_xtal; + if (NULL == + v4l2_i2c_new_subdev_board(&v4l2->v4l2_dev, adap, + &mt9v011_info, NULL)) + return -ENODEV; + v4l2->vinmode = EM28XX_VINMODE_RGB8_GRBG; + v4l2->vinctl = 0x00; + + break; + } + case EM28XX_MT9M001: + v4l2->sensor_xres = 1280; + v4l2->sensor_yres = 1024; + + em28xx_initialize_mt9m001(dev); + + v4l2->vinmode = EM28XX_VINMODE_RGB8_BGGR; + v4l2->vinctl = 0x00; + + break; + case EM28XX_MT9M111: + v4l2->sensor_xres = 640; + v4l2->sensor_yres = 512; + + dev->board.xclk = EM28XX_XCLK_FREQUENCY_48MHZ; + em28xx_write_reg(dev, EM28XX_R0F_XCLK, dev->board.xclk); + em28xx_initialize_mt9m111(dev); + + v4l2->vinmode = EM28XX_VINMODE_YUV422_UYVY; + v4l2->vinctl = 0x00; + + break; + case EM28XX_OV2640: + { + struct v4l2_subdev *subdev; + struct i2c_board_info ov2640_info = { + .type = "ov2640", + .flags = I2C_CLIENT_SCCB, + .addr = client->addr, + }; + struct v4l2_subdev_format format = { + .which = V4L2_SUBDEV_FORMAT_ACTIVE, + }; + + /* + * FIXME: sensor supports resolutions up to 1600x1200, but + * resolution setting/switching needs to be modified to + * - switch sensor output resolution (including further + * configuration changes) + * - adjust bridge xclk + * - disable 16 bit (12 bit) output formats on high resolutions + */ + v4l2->sensor_xres = 640; + v4l2->sensor_yres = 480; + + subdev = + v4l2_i2c_new_subdev_board(&v4l2->v4l2_dev, adap, + &ov2640_info, NULL); + if (!subdev) + return -ENODEV; + + format.format.code = MEDIA_BUS_FMT_YUYV8_2X8; + format.format.width = 640; + format.format.height = 480; + v4l2_subdev_call(subdev, pad, set_fmt, NULL, &format); + + /* NOTE: for UXGA=1600x1200 switch to 12MHz */ + dev->board.xclk = EM28XX_XCLK_FREQUENCY_24MHZ; + em28xx_write_reg(dev, EM28XX_R0F_XCLK, dev->board.xclk); + v4l2->vinmode = EM28XX_VINMODE_YUV422_YUYV; + v4l2->vinctl = 0x00; + + break; + } + case EM28XX_NOSENSOR: + default: + return -EINVAL; + } + + return 0; +} +EXPORT_SYMBOL_GPL(em28xx_init_camera); diff --git a/drivers/media/usb/em28xx/em28xx-cards.c b/drivers/media/usb/em28xx/em28xx-cards.c new file mode 100644 index 000000000..b14bff7b4 --- /dev/null +++ b/drivers/media/usb/em28xx/em28xx-cards.c @@ -0,0 +1,4083 @@ +// SPDX-License-Identifier: GPL-2.0+ +// +// em28xx-cards.c - driver for Empia EM2800/EM2820/2840 USB +// video capture devices +// +// Copyright (C) 2005 Ludovico Cavedon <cavedon@sssup.it> +// Markus Rechberger <mrechberger@gmail.com> +// Mauro Carvalho Chehab <mchehab@kernel.org> +// Sascha Sommer <saschasommer@freenet.de> +// Copyright (C) 2012 Frank Schäfer <fschaefer.oss@googlemail.com> +// +// This program is free software; you can redistribute it and/or modify +// it under the terms of the GNU General Public License as published by +// the Free Software Foundation; either version 2 of the License, or +// (at your option) any later version. +// +// This program is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. + +#include "em28xx.h" + +#include <linux/init.h> +#include <linux/module.h> +#include <linux/slab.h> +#include <linux/delay.h> +#include <linux/i2c.h> +#include <linux/usb.h> +#include <media/tuner.h> +#include <media/drv-intf/msp3400.h> +#include <media/i2c/saa7115.h> +#include <dt-bindings/media/tvp5150.h> +#include <media/i2c/tvaudio.h> +#include <media/tveeprom.h> +#include <media/v4l2-common.h> +#include <sound/ac97_codec.h> + +#define DRIVER_NAME "em28xx" + +static int tuner = -1; +module_param(tuner, int, 0444); +MODULE_PARM_DESC(tuner, "tuner type"); + +static unsigned int disable_ir; +module_param(disable_ir, int, 0444); +MODULE_PARM_DESC(disable_ir, "disable infrared remote support"); + +static unsigned int disable_usb_speed_check; +module_param(disable_usb_speed_check, int, 0444); +MODULE_PARM_DESC(disable_usb_speed_check, + "override min bandwidth requirement of 480M bps"); + +static unsigned int card[] = {[0 ... (EM28XX_MAXBOARDS - 1)] = -1U }; +module_param_array(card, int, NULL, 0444); +MODULE_PARM_DESC(card, "card type"); + +static int usb_xfer_mode = -1; +module_param(usb_xfer_mode, int, 0444); +MODULE_PARM_DESC(usb_xfer_mode, + "USB transfer mode for frame data (-1 = auto, 0 = prefer isoc, 1 = prefer bulk)"); + +/* Bitmask marking allocated devices from 0 to EM28XX_MAXBOARDS - 1 */ +static DECLARE_BITMAP(em28xx_devused, EM28XX_MAXBOARDS); + +struct em28xx_hash_table { + unsigned long hash; + unsigned int model; + unsigned int tuner; +}; + +static void em28xx_pre_card_setup(struct em28xx *dev); + +/* + * Reset sequences for analog/digital modes + */ + +/* Reset for the most [analog] boards */ +static const struct em28xx_reg_seq default_analog[] = { + {EM2820_R08_GPIO_CTRL, 0x6d, ~EM_GPIO_4, 10}, + { -1, -1, -1, -1}, +}; + +/* Reset for the most [digital] boards */ +static const struct em28xx_reg_seq default_digital[] = { + {EM2820_R08_GPIO_CTRL, 0x6e, ~EM_GPIO_4, 10}, + { -1, -1, -1, -1}, +}; + +/* Board :Zolid Hybrid Tv Stick */ +static struct em28xx_reg_seq zolid_tuner[] = { + {EM2820_R08_GPIO_CTRL, 0xfd, 0xff, 100}, + {EM2820_R08_GPIO_CTRL, 0xfe, 0xff, 100}, + { -1, -1, -1, -1}, +}; + +static struct em28xx_reg_seq zolid_digital[] = { + {EM2820_R08_GPIO_CTRL, 0x6a, 0xff, 100}, + {EM2820_R08_GPIO_CTRL, 0x7a, 0xff, 100}, + {EM2880_R04_GPO, 0x04, 0xff, 100}, + {EM2880_R04_GPO, 0x0c, 0xff, 100}, + { -1, -1, -1, -1}, +}; + +/* Board Hauppauge WinTV HVR 900 analog */ +static const struct em28xx_reg_seq hauppauge_wintv_hvr_900_analog[] = { + {EM2820_R08_GPIO_CTRL, 0x2d, ~EM_GPIO_4, 10}, + { 0x05, 0xff, 0x10, 10}, + { -1, -1, -1, -1}, +}; + +/* Board Hauppauge WinTV HVR 900 digital */ +static const struct em28xx_reg_seq hauppauge_wintv_hvr_900_digital[] = { + {EM2820_R08_GPIO_CTRL, 0x2e, ~EM_GPIO_4, 10}, + {EM2880_R04_GPO, 0x04, 0x0f, 10}, + {EM2880_R04_GPO, 0x0c, 0x0f, 10}, + { -1, -1, -1, -1}, +}; + +/* Board Hauppauge WinTV HVR 900 (R2) digital */ +static const struct em28xx_reg_seq hauppauge_wintv_hvr_900R2_digital[] = { + {EM2820_R08_GPIO_CTRL, 0x2e, ~EM_GPIO_4, 10}, + {EM2880_R04_GPO, 0x0c, 0x0f, 10}, + { -1, -1, -1, -1}, +}; + +/* Boards - EM2880 MSI DIGIVOX AD and EM2880_BOARD_MSI_DIGIVOX_AD_II */ +static const struct em28xx_reg_seq em2880_msi_digivox_ad_analog[] = { + {EM2820_R08_GPIO_CTRL, 0x69, ~EM_GPIO_4, 10}, + { -1, -1, -1, -1}, +}; + +/* Board - EM2882 Kworld 315U digital */ +static const struct em28xx_reg_seq em2882_kworld_315u_digital[] = { + {EM2820_R08_GPIO_CTRL, 0xff, 0xff, 10}, + {EM2820_R08_GPIO_CTRL, 0xfe, 0xff, 10}, + {EM2880_R04_GPO, 0x04, 0xff, 10}, + {EM2880_R04_GPO, 0x0c, 0xff, 10}, + {EM2820_R08_GPIO_CTRL, 0x7e, 0xff, 10}, + { -1, -1, -1, -1}, +}; + +static const struct em28xx_reg_seq em2882_kworld_315u_tuner_gpio[] = { + {EM2880_R04_GPO, 0x08, 0xff, 10}, + {EM2880_R04_GPO, 0x0c, 0xff, 10}, + {EM2880_R04_GPO, 0x08, 0xff, 10}, + {EM2880_R04_GPO, 0x0c, 0xff, 10}, + { -1, -1, -1, -1}, +}; + +static const struct em28xx_reg_seq kworld_330u_analog[] = { + {EM2820_R08_GPIO_CTRL, 0x6d, ~EM_GPIO_4, 10}, + {EM2880_R04_GPO, 0x00, 0xff, 10}, + { -1, -1, -1, -1}, +}; + +static const struct em28xx_reg_seq kworld_330u_digital[] = { + {EM2820_R08_GPIO_CTRL, 0x6e, ~EM_GPIO_4, 10}, + {EM2880_R04_GPO, 0x08, 0xff, 10}, + { -1, -1, -1, -1}, +}; + +/* + * Evga inDtube + * GPIO0 - Enable digital power (s5h1409) - low to enable + * GPIO1 - Enable analog power (tvp5150/emp202) - low to enable + * GPIO4 - xc3028 reset + * GOP3 - s5h1409 reset + */ +static const struct em28xx_reg_seq evga_indtube_analog[] = { + {EM2820_R08_GPIO_CTRL, 0x79, 0xff, 60}, + { -1, -1, -1, -1}, +}; + +static const struct em28xx_reg_seq evga_indtube_digital[] = { + {EM2820_R08_GPIO_CTRL, 0x7a, 0xff, 1}, + {EM2880_R04_GPO, 0x04, 0xff, 10}, + {EM2880_R04_GPO, 0x0c, 0xff, 1}, + { -1, -1, -1, -1}, +}; + +/* + * KWorld PlusTV 340U, UB435-Q and UB435-Q V2 (ATSC) GPIOs map: + * EM_GPIO_0 - currently unknown + * EM_GPIO_1 - LED disable/enable (1 = off, 0 = on) + * EM_GPIO_2 - currently unknown + * EM_GPIO_3 - currently unknown + * EM_GPIO_4 - TDA18271HD/C1 tuner (1 = active, 0 = in reset) + * EM_GPIO_5 - LGDT3304 ATSC/QAM demod (1 = active, 0 = in reset) + * EM_GPIO_6 - currently unknown + * EM_GPIO_7 - currently unknown + */ +static const struct em28xx_reg_seq kworld_a340_digital[] = { + {EM2820_R08_GPIO_CTRL, 0x6d, ~EM_GPIO_4, 10}, + { -1, -1, -1, -1}, +}; + +static const struct em28xx_reg_seq kworld_ub435q_v3_digital[] = { + {EM2874_R80_GPIO_P0_CTRL, 0xff, 0xff, 100}, + {EM2874_R80_GPIO_P0_CTRL, 0xfe, 0xff, 100}, + {EM2874_R80_GPIO_P0_CTRL, 0xbe, 0xff, 100}, + {EM2874_R80_GPIO_P0_CTRL, 0xfe, 0xff, 100}, + { -1, -1, -1, -1}, +}; + +/* Pinnacle Hybrid Pro eb1a:2881 */ +static const struct em28xx_reg_seq pinnacle_hybrid_pro_analog[] = { + {EM2820_R08_GPIO_CTRL, 0xfd, ~EM_GPIO_4, 10}, + { -1, -1, -1, -1}, +}; + +static const struct em28xx_reg_seq pinnacle_hybrid_pro_digital[] = { + {EM2820_R08_GPIO_CTRL, 0x6e, ~EM_GPIO_4, 10}, + {EM2880_R04_GPO, 0x04, 0xff, 100},/* zl10353 reset */ + {EM2880_R04_GPO, 0x0c, 0xff, 1}, + { -1, -1, -1, -1}, +}; + +static const struct em28xx_reg_seq terratec_cinergy_USB_XS_FR_analog[] = { + {EM2820_R08_GPIO_CTRL, 0x6d, ~EM_GPIO_4, 10}, + {EM2880_R04_GPO, 0x00, 0xff, 10}, + { -1, -1, -1, -1}, +}; + +static const struct em28xx_reg_seq terratec_cinergy_USB_XS_FR_digital[] = { + {EM2820_R08_GPIO_CTRL, 0x6e, ~EM_GPIO_4, 10}, + {EM2880_R04_GPO, 0x08, 0xff, 10}, + { -1, -1, -1, -1}, +}; + +/* + * PCTV HD Mini (80e) GPIOs + * 0-5: not used + * 6: demod reset, active low + * 7: LED on, active high + */ +static const struct em28xx_reg_seq em2874_pctv_80e_digital[] = { + {EM28XX_R06_I2C_CLK, 0x45, 0xff, 10}, /*400 KHz*/ + {EM2874_R80_GPIO_P0_CTRL, 0x00, 0xff, 100},/*Demod reset*/ + {EM2874_R80_GPIO_P0_CTRL, 0x40, 0xff, 10}, + { -1, -1, -1, -1}, +}; + +/* + * eb1a:2868 Reddo DVB-C USB TV Box + * GPIO4 - CU1216L NIM + * Other GPIOs seems to be don't care. + */ +static const struct em28xx_reg_seq reddo_dvb_c_usb_box[] = { + {EM2820_R08_GPIO_CTRL, 0xfe, 0xff, 10}, + {EM2820_R08_GPIO_CTRL, 0xde, 0xff, 10}, + {EM2820_R08_GPIO_CTRL, 0xfe, 0xff, 10}, + {EM2820_R08_GPIO_CTRL, 0xff, 0xff, 10}, + {EM2820_R08_GPIO_CTRL, 0x7f, 0xff, 10}, + {EM2820_R08_GPIO_CTRL, 0x6f, 0xff, 10}, + {EM2820_R08_GPIO_CTRL, 0xff, 0xff, 10}, + { -1, -1, -1, -1}, +}; + +/* Callback for the most boards */ +static const struct em28xx_reg_seq default_tuner_gpio[] = { + {EM2820_R08_GPIO_CTRL, EM_GPIO_4, EM_GPIO_4, 10}, + {EM2820_R08_GPIO_CTRL, 0, EM_GPIO_4, 10}, + {EM2820_R08_GPIO_CTRL, EM_GPIO_4, EM_GPIO_4, 10}, + { -1, -1, -1, -1}, +}; + +/* Mute/unmute */ +static const struct em28xx_reg_seq compro_unmute_tv_gpio[] = { + {EM2820_R08_GPIO_CTRL, 5, 7, 10}, + { -1, -1, -1, -1}, +}; + +static const struct em28xx_reg_seq compro_unmute_svid_gpio[] = { + {EM2820_R08_GPIO_CTRL, 4, 7, 10}, + { -1, -1, -1, -1}, +}; + +static const struct em28xx_reg_seq compro_mute_gpio[] = { + {EM2820_R08_GPIO_CTRL, 6, 7, 10}, + { -1, -1, -1, -1}, +}; + +/* Terratec AV350 */ +static const struct em28xx_reg_seq terratec_av350_mute_gpio[] = { + {EM2820_R08_GPIO_CTRL, 0xff, 0x7f, 10}, + { -1, -1, -1, -1}, +}; + +static const struct em28xx_reg_seq terratec_av350_unmute_gpio[] = { + {EM2820_R08_GPIO_CTRL, 0xff, 0xff, 10}, + { -1, -1, -1, -1}, +}; + +static const struct em28xx_reg_seq silvercrest_reg_seq[] = { + {EM2820_R08_GPIO_CTRL, 0xff, 0xff, 10}, + {EM2820_R08_GPIO_CTRL, 0x01, 0xf7, 10}, + { -1, -1, -1, -1}, +}; + +static const struct em28xx_reg_seq vc211a_enable[] = { + {EM2820_R08_GPIO_CTRL, 0xff, 0x07, 10}, + {EM2820_R08_GPIO_CTRL, 0xff, 0x0f, 10}, + {EM2820_R08_GPIO_CTRL, 0xff, 0x0b, 10}, + { -1, -1, -1, -1}, +}; + +static const struct em28xx_reg_seq dikom_dk300_digital[] = { + {EM2820_R08_GPIO_CTRL, 0x6e, ~EM_GPIO_4, 10}, + {EM2880_R04_GPO, 0x08, 0xff, 10}, + { -1, -1, -1, -1}, +}; + +/* Reset for the most [digital] boards */ +static const struct em28xx_reg_seq leadership_digital[] = { + {EM2874_R80_GPIO_P0_CTRL, 0x70, 0xff, 10}, + { -1, -1, -1, -1}, +}; + +static const struct em28xx_reg_seq leadership_reset[] = { + {EM2874_R80_GPIO_P0_CTRL, 0xf0, 0xff, 10}, + {EM2874_R80_GPIO_P0_CTRL, 0xb0, 0xff, 10}, + {EM2874_R80_GPIO_P0_CTRL, 0xf0, 0xff, 10}, + { -1, -1, -1, -1}, +}; + +/* + * 2013:024f PCTV nanoStick T2 290e + * GPIO_6 - demod reset + * GPIO_7 - LED + */ +static const struct em28xx_reg_seq pctv_290e[] = { + {EM2874_R80_GPIO_P0_CTRL, 0x00, 0xff, 80}, + {EM2874_R80_GPIO_P0_CTRL, 0x40, 0xff, 80}, /* GPIO_6 = 1 */ + {EM2874_R80_GPIO_P0_CTRL, 0xc0, 0xff, 80}, /* GPIO_7 = 1 */ + { -1, -1, -1, -1}, +}; + +#if 0 +static const struct em28xx_reg_seq terratec_h5_gpio[] = { + {EM2820_R08_GPIO_CTRL, 0xff, 0xff, 10}, + {EM2874_R80_GPIO_P0_CTRL, 0xf6, 0xff, 100}, + {EM2874_R80_GPIO_P0_CTRL, 0xf2, 0xff, 50}, + {EM2874_R80_GPIO_P0_CTRL, 0xf6, 0xff, 50}, + { -1, -1, -1, -1}, +}; + +static const struct em28xx_reg_seq terratec_h5_digital[] = { + {EM2874_R80_GPIO_P0_CTRL, 0xf6, 0xff, 10}, + {EM2874_R80_GPIO_P0_CTRL, 0xe6, 0xff, 100}, + {EM2874_R80_GPIO_P0_CTRL, 0xa6, 0xff, 10}, + { -1, -1, -1, -1}, +}; +#endif + +/* + * 2013:024f PCTV DVB-S2 Stick 460e + * GPIO_0 - POWER_ON + * GPIO_1 - BOOST + * GPIO_2 - VUV_LNB (red LED) + * GPIO_3 - EXT_12V + * GPIO_4 - INT_DEM (DEMOD GPIO_0) + * GPIO_5 - INT_LNB + * GPIO_6 - RESET_DEM + * GPIO_7 - LED (green LED) + */ +static const struct em28xx_reg_seq pctv_460e[] = { + {EM2874_R80_GPIO_P0_CTRL, 0x01, 0xff, 50}, + { 0x0d, 0xff, 0xff, 50}, + {EM2874_R80_GPIO_P0_CTRL, 0x41, 0xff, 50}, /* GPIO_6=1 */ + { 0x0d, 0x42, 0xff, 50}, + {EM2874_R80_GPIO_P0_CTRL, 0x61, 0xff, 50}, /* GPIO_5=1 */ + { -1, -1, -1, -1}, +}; + +static const struct em28xx_reg_seq c3tech_digital_duo_digital[] = { + {EM2874_R80_GPIO_P0_CTRL, 0xff, 0xff, 10}, + {EM2874_R80_GPIO_P0_CTRL, 0xfd, 0xff, 10}, /* xc5000 reset */ + {EM2874_R80_GPIO_P0_CTRL, 0xf9, 0xff, 35}, + {EM2874_R80_GPIO_P0_CTRL, 0xfd, 0xff, 10}, + {EM2874_R80_GPIO_P0_CTRL, 0xff, 0xff, 10}, + {EM2874_R80_GPIO_P0_CTRL, 0xfe, 0xff, 10}, + {EM2874_R80_GPIO_P0_CTRL, 0xbe, 0xff, 10}, + {EM2874_R80_GPIO_P0_CTRL, 0xfe, 0xff, 20}, + { -1, -1, -1, -1}, +}; + +/* + * 2013:0258 PCTV DVB-S2 Stick (461e) + * GPIO 0 = POWER_ON + * GPIO 1 = BOOST + * GPIO 2 = VUV_LNB (red LED) + * GPIO 3 = #EXT_12V + * GPIO 4 = INT_DEM + * GPIO 5 = INT_LNB + * GPIO 6 = #RESET_DEM + * GPIO 7 = P07_LED (green LED) + */ +static const struct em28xx_reg_seq pctv_461e[] = { + {EM2874_R80_GPIO_P0_CTRL, 0x7f, 0xff, 0}, + {0x0d, 0xff, 0xff, 0}, + {EM2874_R80_GPIO_P0_CTRL, 0x3f, 0xff, 100}, /* reset demod */ + {EM2874_R80_GPIO_P0_CTRL, 0x7f, 0xff, 200}, /* reset demod */ + {0x0d, 0x42, 0xff, 0}, + {EM2874_R80_GPIO_P0_CTRL, 0xeb, 0xff, 0}, + {EM2874_R5F_TS_ENABLE, 0x84, 0x84, 0}, /* parallel? | null discard */ + { -1, -1, -1, -1}, +}; + +#if 0 +static const struct em28xx_reg_seq hauppauge_930c_gpio[] = { + {EM2874_R80_GPIO_P0_CTRL, 0x6f, 0xff, 10}, + {EM2874_R80_GPIO_P0_CTRL, 0x4f, 0xff, 10}, /* xc5000 reset */ + {EM2874_R80_GPIO_P0_CTRL, 0x6f, 0xff, 10}, + {EM2874_R80_GPIO_P0_CTRL, 0x4f, 0xff, 10}, + { -1, -1, -1, -1}, +}; + +static const struct em28xx_reg_seq hauppauge_930c_digital[] = { + {EM2874_R80_GPIO_P0_CTRL, 0xf6, 0xff, 10}, + {EM2874_R80_GPIO_P0_CTRL, 0xe6, 0xff, 100}, + {EM2874_R80_GPIO_P0_CTRL, 0xa6, 0xff, 10}, + { -1, -1, -1, -1}, +}; +#endif + +/* + * 1b80:e425 MaxMedia UB425-TC + * 1b80:e1cc Delock 61959 + * GPIO_6 - demod reset, 0=active + * GPIO_7 - LED, 0=active + */ +static const struct em28xx_reg_seq maxmedia_ub425_tc[] = { + {EM2874_R80_GPIO_P0_CTRL, 0x83, 0xff, 100}, + {EM2874_R80_GPIO_P0_CTRL, 0xc3, 0xff, 100}, /* GPIO_6 = 1 */ + {EM2874_R80_GPIO_P0_CTRL, 0x43, 0xff, 000}, /* GPIO_7 = 0 */ + { -1, -1, -1, -1}, +}; + +/* + * 2304:0242 PCTV QuatroStick (510e) + * GPIO_2: decoder reset, 0=active + * GPIO_4: decoder suspend, 0=active + * GPIO_6: demod reset, 0=active + * GPIO_7: LED, 1=active + */ +static const struct em28xx_reg_seq pctv_510e[] = { + {EM2874_R80_GPIO_P0_CTRL, 0x10, 0xff, 100}, + {EM2874_R80_GPIO_P0_CTRL, 0x14, 0xff, 100}, /* GPIO_2 = 1 */ + {EM2874_R80_GPIO_P0_CTRL, 0x54, 0xff, 050}, /* GPIO_6 = 1 */ + { -1, -1, -1, -1}, +}; + +/* + * 2013:0251 PCTV QuatroStick nano (520e) + * GPIO_2: decoder reset, 0=active + * GPIO_4: decoder suspend, 0=active + * GPIO_6: demod reset, 0=active + * GPIO_7: LED, 1=active + */ +static const struct em28xx_reg_seq pctv_520e[] = { + {EM2874_R80_GPIO_P0_CTRL, 0x10, 0xff, 100}, + {EM2874_R80_GPIO_P0_CTRL, 0x14, 0xff, 100}, /* GPIO_2 = 1 */ + {EM2874_R80_GPIO_P0_CTRL, 0x54, 0xff, 050}, /* GPIO_6 = 1 */ + {EM2874_R80_GPIO_P0_CTRL, 0xd4, 0xff, 000}, /* GPIO_7 = 1 */ + { -1, -1, -1, -1}, +}; + +/* + * 1ae7:9003/9004 SpeedLink Vicious And Devine Laplace webcam + * reg 0x80/0x84: + * GPIO_0: capturing LED, 0=on, 1=off + * GPIO_2: AV mute button, 0=pressed, 1=unpressed + * GPIO 3: illumination button, 0=pressed, 1=unpressed + * GPIO_6: illumination/flash LED, 0=on, 1=off + * reg 0x81/0x85: + * GPIO_7: snapshot button, 0=pressed, 1=unpressed + */ +static const struct em28xx_reg_seq speedlink_vad_laplace_reg_seq[] = { + {EM2820_R08_GPIO_CTRL, 0xf7, 0xff, 10}, + {EM2874_R80_GPIO_P0_CTRL, 0xff, 0xb2, 10}, + { -1, -1, -1, -1}, +}; + +static const struct em28xx_reg_seq pctv_292e[] = { + {EM2874_R80_GPIO_P0_CTRL, 0xff, 0xff, 0}, + {0x0d, 0xff, 0xff, 950}, + {EM2874_R80_GPIO_P0_CTRL, 0xbd, 0xff, 100}, + {EM2874_R80_GPIO_P0_CTRL, 0xfd, 0xff, 410}, + {EM2874_R80_GPIO_P0_CTRL, 0x7d, 0xff, 300}, + {EM2874_R80_GPIO_P0_CTRL, 0x7c, 0xff, 60}, + {0x0d, 0x42, 0xff, 50}, + {EM2874_R5F_TS_ENABLE, 0x85, 0xff, 0}, + {-1, -1, -1, -1}, +}; + +static const struct em28xx_reg_seq terratec_t2_stick_hd[] = { + {EM2874_R80_GPIO_P0_CTRL, 0xff, 0xff, 0}, + {0x0d, 0xff, 0xff, 600}, + {EM2874_R80_GPIO_P0_CTRL, 0xfc, 0xff, 10}, + {EM2874_R80_GPIO_P0_CTRL, 0xbc, 0xff, 100}, + {EM2874_R80_GPIO_P0_CTRL, 0xfc, 0xff, 100}, + {EM2874_R80_GPIO_P0_CTRL, 0x00, 0xff, 300}, + {EM2874_R80_GPIO_P0_CTRL, 0xf8, 0xff, 100}, + {EM2874_R80_GPIO_P0_CTRL, 0xfc, 0xff, 300}, + {0x0d, 0x42, 0xff, 1000}, + {EM2874_R5F_TS_ENABLE, 0x85, 0xff, 0}, + {-1, -1, -1, -1}, +}; + +static const struct em28xx_reg_seq plex_px_bcud[] = { + {EM2874_R80_GPIO_P0_CTRL, 0xff, 0xff, 0}, + {0x0d, 0xff, 0xff, 0}, + {EM2874_R50_IR_CONFIG, 0x01, 0xff, 0}, + {EM28XX_R06_I2C_CLK, 0x40, 0xff, 0}, + {EM2874_R80_GPIO_P0_CTRL, 0xfd, 0xff, 100}, + {EM28XX_R12_VINENABLE, 0x20, 0x20, 0}, + {0x0d, 0x42, 0xff, 1000}, + {EM2874_R80_GPIO_P0_CTRL, 0xfc, 0xff, 10}, + {EM2874_R80_GPIO_P0_CTRL, 0xfd, 0xff, 10}, + {0x73, 0xfd, 0xff, 100}, + {-1, -1, -1, -1}, +}; + +/* + * 2040:0265 Hauppauge WinTV-dualHD DVB Isoc + * 2040:8265 Hauppauge WinTV-dualHD DVB Bulk + * 2040:026d Hauppauge WinTV-dualHD ATSC/QAM Isoc + * 2040:826d Hauppauge WinTV-dualHD ATSC/QAM Bulk + * reg 0x80/0x84: + * GPIO_0: Yellow LED tuner 1, 0=on, 1=off + * GPIO_1: Green LED tuner 1, 0=on, 1=off + * GPIO_2: Yellow LED tuner 2, 0=on, 1=off + * GPIO_3: Green LED tuner 2, 0=on, 1=off + * GPIO_5: Reset #2, 0=active + * GPIO_6: Reset #1, 0=active + */ +static const struct em28xx_reg_seq hauppauge_dualhd_dvb[] = { + {EM2874_R80_GPIO_P0_CTRL, 0xff, 0xff, 0}, + {0x0d, 0xff, 0xff, 200}, + {0x50, 0x04, 0xff, 300}, + {EM2874_R80_GPIO_P0_CTRL, 0xbf, 0xff, 100}, /* demod 1 reset */ + {EM2874_R80_GPIO_P0_CTRL, 0xff, 0xff, 100}, + {EM2874_R80_GPIO_P0_CTRL, 0xdf, 0xff, 100}, /* demod 2 reset */ + {EM2874_R80_GPIO_P0_CTRL, 0xff, 0xff, 100}, + {EM2874_R5F_TS_ENABLE, 0x00, 0xff, 50}, /* disable TS filters */ + {EM2874_R5D_TS1_PKT_SIZE, 0x05, 0xff, 50}, + {EM2874_R5E_TS2_PKT_SIZE, 0x05, 0xff, 50}, + {-1, -1, -1, -1}, +}; + +/* + * Button definitions + */ +static const struct em28xx_button std_snapshot_button[] = { + { + .role = EM28XX_BUTTON_SNAPSHOT, + .reg_r = EM28XX_R0C_USBSUSP, + .reg_clearing = EM28XX_R0C_USBSUSP, + .mask = EM28XX_R0C_USBSUSP_SNAPSHOT, + .inverted = 0, + }, + {-1, 0, 0, 0, 0}, +}; + +static const struct em28xx_button speedlink_vad_laplace_buttons[] = { + { + .role = EM28XX_BUTTON_SNAPSHOT, + .reg_r = EM2874_R85_GPIO_P1_STATE, + .mask = 0x80, + .inverted = 1, + }, + { + .role = EM28XX_BUTTON_ILLUMINATION, + .reg_r = EM2874_R84_GPIO_P0_STATE, + .mask = 0x08, + .inverted = 1, + }, + {-1, 0, 0, 0, 0}, +}; + +/* + * LED definitions + */ +static struct em28xx_led speedlink_vad_laplace_leds[] = { + { + .role = EM28XX_LED_ANALOG_CAPTURING, + .gpio_reg = EM2874_R80_GPIO_P0_CTRL, + .gpio_mask = 0x01, + .inverted = 1, + }, + { + .role = EM28XX_LED_ILLUMINATION, + .gpio_reg = EM2874_R80_GPIO_P0_CTRL, + .gpio_mask = 0x40, + .inverted = 1, + }, + {-1, 0, 0, 0}, +}; + +static struct em28xx_led kworld_ub435q_v3_leds[] = { + { + .role = EM28XX_LED_DIGITAL_CAPTURING, + .gpio_reg = EM2874_R80_GPIO_P0_CTRL, + .gpio_mask = 0x80, + .inverted = 1, + }, + {-1, 0, 0, 0}, +}; + +static struct em28xx_led pctv_80e_leds[] = { + { + .role = EM28XX_LED_DIGITAL_CAPTURING, + .gpio_reg = EM2874_R80_GPIO_P0_CTRL, + .gpio_mask = 0x80, + .inverted = 0, + }, + {-1, 0, 0, 0}, +}; + +static struct em28xx_led terratec_grabby_leds[] = { + { + .role = EM28XX_LED_ANALOG_CAPTURING, + .gpio_reg = EM2820_R08_GPIO_CTRL, + .gpio_mask = EM_GPIO_3, + .inverted = 1, + }, + {-1, 0, 0, 0}, +}; + +static struct em28xx_led hauppauge_dualhd_leds[] = { + { + .role = EM28XX_LED_DIGITAL_CAPTURING, + .gpio_reg = EM2874_R80_GPIO_P0_CTRL, + .gpio_mask = EM_GPIO_1, + .inverted = 1, + }, + { + .role = EM28XX_LED_DIGITAL_CAPTURING_TS2, + .gpio_reg = EM2874_R80_GPIO_P0_CTRL, + .gpio_mask = EM_GPIO_3, + .inverted = 1, + }, + {-1, 0, 0, 0}, +}; + +/* + * Board definitions + */ +const struct em28xx_board em28xx_boards[] = { + [EM2750_BOARD_UNKNOWN] = { + .name = "EM2710/EM2750/EM2751 webcam grabber", + .xclk = EM28XX_XCLK_FREQUENCY_20MHZ, + .tuner_type = TUNER_ABSENT, + .is_webcam = 1, + .input = { { + .type = EM28XX_VMUX_COMPOSITE, + .vmux = 0, + .amux = EM28XX_AMUX_VIDEO, + .gpio = silvercrest_reg_seq, + } }, + }, + [EM2800_BOARD_UNKNOWN] = { + .name = "Unknown EM2800 video grabber", + .is_em2800 = 1, + .tda9887_conf = TDA9887_PRESENT, + .decoder = EM28XX_SAA711X, + .tuner_type = TUNER_ABSENT, + .input = { { + .type = EM28XX_VMUX_COMPOSITE, + .vmux = SAA7115_COMPOSITE0, + .amux = EM28XX_AMUX_LINE_IN, + }, { + .type = EM28XX_VMUX_SVIDEO, + .vmux = SAA7115_SVIDEO3, + .amux = EM28XX_AMUX_LINE_IN, + } }, + }, + [EM2820_BOARD_UNKNOWN] = { + .name = "Unknown EM2750/28xx video grabber", + .tuner_type = TUNER_ABSENT, + .is_webcam = 1, /* To enable sensor probe */ + }, + [EM2882_BOARD_ZOLID_HYBRID_TV_STICK] = { + .name = ":ZOLID HYBRID TV STICK", + .tuner_type = TUNER_XC2028, + .tuner_gpio = zolid_tuner, + .decoder = EM28XX_TVP5150, + .xclk = EM28XX_XCLK_FREQUENCY_12MHZ, + .mts_firmware = 1, + .has_dvb = 1, + .dvb_gpio = zolid_digital, + }, + [EM2750_BOARD_DLCW_130] = { + /* Beijing Huaqi Information Digital Technology Co., Ltd */ + .name = "Huaqi DLCW-130", + .valid = EM28XX_BOARD_NOT_VALIDATED, + .xclk = EM28XX_XCLK_FREQUENCY_48MHZ, + .tuner_type = TUNER_ABSENT, + .is_webcam = 1, + .input = { { + .type = EM28XX_VMUX_COMPOSITE, + .vmux = 0, + .amux = EM28XX_AMUX_VIDEO, + } }, + }, + [EM2820_BOARD_KWORLD_PVRTV2800RF] = { + .name = "Kworld PVR TV 2800 RF", + .tuner_type = TUNER_TEMIC_PAL, + .tda9887_conf = TDA9887_PRESENT, + .decoder = EM28XX_SAA711X, + .input = { { + .type = EM28XX_VMUX_COMPOSITE, + .vmux = SAA7115_COMPOSITE0, + .amux = EM28XX_AMUX_LINE_IN, + }, { + .type = EM28XX_VMUX_SVIDEO, + .vmux = SAA7115_SVIDEO3, + .amux = EM28XX_AMUX_LINE_IN, + } }, + }, + [EM2820_BOARD_GADMEI_TVR200] = { + .name = "Gadmei TVR200", + .tuner_type = TUNER_LG_PAL_NEW_TAPC, + .tda9887_conf = TDA9887_PRESENT, + .decoder = EM28XX_SAA711X, + .input = { { + .type = EM28XX_VMUX_TELEVISION, + .vmux = SAA7115_COMPOSITE2, + .amux = EM28XX_AMUX_LINE_IN, + }, { + .type = EM28XX_VMUX_COMPOSITE, + .vmux = SAA7115_COMPOSITE0, + .amux = EM28XX_AMUX_LINE_IN, + }, { + .type = EM28XX_VMUX_SVIDEO, + .vmux = SAA7115_SVIDEO3, + .amux = EM28XX_AMUX_LINE_IN, + } }, + }, + [EM2820_BOARD_TERRATEC_CINERGY_250] = { + .name = "Terratec Cinergy 250 USB", + .tuner_type = TUNER_LG_PAL_NEW_TAPC, + .has_ir_i2c = 1, + .tda9887_conf = TDA9887_PRESENT, + .decoder = EM28XX_SAA711X, + .input = { { + .type = EM28XX_VMUX_TELEVISION, + .vmux = SAA7115_COMPOSITE2, + .amux = EM28XX_AMUX_VIDEO, + }, { + .type = EM28XX_VMUX_COMPOSITE, + .vmux = SAA7115_COMPOSITE0, + .amux = EM28XX_AMUX_LINE_IN, + }, { + .type = EM28XX_VMUX_SVIDEO, + .vmux = SAA7115_SVIDEO3, + .amux = EM28XX_AMUX_LINE_IN, + } }, + }, + [EM2820_BOARD_PINNACLE_USB_2] = { + .name = "Pinnacle PCTV USB 2", + .tuner_type = TUNER_LG_PAL_NEW_TAPC, + .has_ir_i2c = 1, + .tda9887_conf = TDA9887_PRESENT, + .decoder = EM28XX_SAA711X, + .input = { { + .type = EM28XX_VMUX_TELEVISION, + .vmux = SAA7115_COMPOSITE2, + .amux = EM28XX_AMUX_VIDEO, + }, { + .type = EM28XX_VMUX_COMPOSITE, + .vmux = SAA7115_COMPOSITE0, + .amux = EM28XX_AMUX_LINE_IN, + }, { + .type = EM28XX_VMUX_SVIDEO, + .vmux = SAA7115_SVIDEO3, + .amux = EM28XX_AMUX_LINE_IN, + } }, + }, + [EM2820_BOARD_HAUPPAUGE_WINTV_USB_2] = { + .name = "Hauppauge WinTV USB 2", + .tuner_type = TUNER_PHILIPS_FM1236_MK3, + .tda9887_conf = TDA9887_PRESENT | + TDA9887_PORT1_ACTIVE | + TDA9887_PORT2_ACTIVE, + .decoder = EM28XX_TVP5150, + .has_msp34xx = 1, + .has_ir_i2c = 1, + .input = { { + .type = EM28XX_VMUX_TELEVISION, + .vmux = TVP5150_COMPOSITE0, + .amux = MSP_INPUT_DEFAULT, + }, { + .type = EM28XX_VMUX_SVIDEO, + .vmux = TVP5150_SVIDEO, + .amux = MSP_INPUT(MSP_IN_SCART1, MSP_IN_TUNER1, + MSP_DSP_IN_SCART, MSP_DSP_IN_SCART), + } }, + }, + [EM2820_BOARD_DLINK_USB_TV] = { + .name = "D-Link DUB-T210 TV Tuner", + .valid = EM28XX_BOARD_NOT_VALIDATED, + .tuner_type = TUNER_LG_PAL_NEW_TAPC, + .tda9887_conf = TDA9887_PRESENT, + .decoder = EM28XX_SAA711X, + .input = { { + .type = EM28XX_VMUX_TELEVISION, + .vmux = SAA7115_COMPOSITE2, + .amux = EM28XX_AMUX_LINE_IN, + }, { + .type = EM28XX_VMUX_COMPOSITE, + .vmux = SAA7115_COMPOSITE0, + .amux = EM28XX_AMUX_LINE_IN, + }, { + .type = EM28XX_VMUX_SVIDEO, + .vmux = SAA7115_SVIDEO3, + .amux = EM28XX_AMUX_LINE_IN, + } }, + }, + [EM2820_BOARD_HERCULES_SMART_TV_USB2] = { + .name = "Hercules Smart TV USB 2.0", + .valid = EM28XX_BOARD_NOT_VALIDATED, + .tuner_type = TUNER_LG_PAL_NEW_TAPC, + .tda9887_conf = TDA9887_PRESENT, + .decoder = EM28XX_SAA711X, + .input = { { + .type = EM28XX_VMUX_TELEVISION, + .vmux = SAA7115_COMPOSITE2, + .amux = EM28XX_AMUX_LINE_IN, + }, { + .type = EM28XX_VMUX_COMPOSITE, + .vmux = SAA7115_COMPOSITE0, + .amux = EM28XX_AMUX_LINE_IN, + }, { + .type = EM28XX_VMUX_SVIDEO, + .vmux = SAA7115_SVIDEO3, + .amux = EM28XX_AMUX_LINE_IN, + } }, + }, + [EM2820_BOARD_PINNACLE_USB_2_FM1216ME] = { + .name = "Pinnacle PCTV USB 2 (Philips FM1216ME)", + .valid = EM28XX_BOARD_NOT_VALIDATED, + .tuner_type = TUNER_PHILIPS_FM1216ME_MK3, + .tda9887_conf = TDA9887_PRESENT, + .decoder = EM28XX_SAA711X, + .input = { { + .type = EM28XX_VMUX_TELEVISION, + .vmux = SAA7115_COMPOSITE2, + .amux = EM28XX_AMUX_VIDEO, + }, { + .type = EM28XX_VMUX_COMPOSITE, + .vmux = SAA7115_COMPOSITE0, + .amux = EM28XX_AMUX_LINE_IN, + }, { + .type = EM28XX_VMUX_SVIDEO, + .vmux = SAA7115_SVIDEO3, + .amux = EM28XX_AMUX_LINE_IN, + } }, + }, + [EM2820_BOARD_GADMEI_UTV310] = { + .name = "Gadmei UTV310", + .valid = EM28XX_BOARD_NOT_VALIDATED, + .tuner_type = TUNER_TNF_5335MF, + .tda9887_conf = TDA9887_PRESENT, + .decoder = EM28XX_SAA711X, + .input = { { + .type = EM28XX_VMUX_TELEVISION, + .vmux = SAA7115_COMPOSITE1, + .amux = EM28XX_AMUX_LINE_IN, + }, { + .type = EM28XX_VMUX_COMPOSITE, + .vmux = SAA7115_COMPOSITE0, + .amux = EM28XX_AMUX_LINE_IN, + }, { + .type = EM28XX_VMUX_SVIDEO, + .vmux = SAA7115_SVIDEO3, + .amux = EM28XX_AMUX_LINE_IN, + } }, + }, + [EM2820_BOARD_LEADTEK_WINFAST_USBII_DELUXE] = { + .name = "Leadtek Winfast USB II Deluxe", + .valid = EM28XX_BOARD_NOT_VALIDATED, + .tuner_type = TUNER_PHILIPS_FM1216ME_MK3, + .has_ir_i2c = 1, + .tvaudio_addr = 0x58, + .tda9887_conf = TDA9887_PRESENT | + TDA9887_PORT2_ACTIVE | + TDA9887_QSS, + .decoder = EM28XX_SAA711X, + .adecoder = EM28XX_TVAUDIO, + .input = { { + .type = EM28XX_VMUX_TELEVISION, + .vmux = SAA7115_COMPOSITE4, + .amux = EM28XX_AMUX_AUX, + }, { + .type = EM28XX_VMUX_COMPOSITE, + .vmux = SAA7115_COMPOSITE5, + .amux = EM28XX_AMUX_LINE_IN, + }, { + .type = EM28XX_VMUX_SVIDEO, + .vmux = SAA7115_SVIDEO3, + .amux = EM28XX_AMUX_LINE_IN, + } }, + .radio = { + .type = EM28XX_RADIO, + .amux = EM28XX_AMUX_AUX, + } + }, + [EM2820_BOARD_VIDEOLOGY_20K14XUSB] = { + .name = "Videology 20K14XUSB USB2.0", + .valid = EM28XX_BOARD_NOT_VALIDATED, + .tuner_type = TUNER_ABSENT, + .is_webcam = 1, + .input = { { + .type = EM28XX_VMUX_COMPOSITE, + .vmux = 0, + .amux = EM28XX_AMUX_VIDEO, + } }, + }, + [EM2820_BOARD_SILVERCREST_WEBCAM] = { + .name = "Silvercrest Webcam 1.3mpix", + .tuner_type = TUNER_ABSENT, + .is_webcam = 1, + .input = { { + .type = EM28XX_VMUX_COMPOSITE, + .vmux = 0, + .amux = EM28XX_AMUX_VIDEO, + .gpio = silvercrest_reg_seq, + } }, + }, + [EM2821_BOARD_SUPERCOMP_USB_2] = { + .name = "Supercomp USB 2.0 TV", + .valid = EM28XX_BOARD_NOT_VALIDATED, + .tuner_type = TUNER_PHILIPS_FM1236_MK3, + .tda9887_conf = TDA9887_PRESENT | + TDA9887_PORT1_ACTIVE | + TDA9887_PORT2_ACTIVE, + .decoder = EM28XX_SAA711X, + .input = { { + .type = EM28XX_VMUX_TELEVISION, + .vmux = SAA7115_COMPOSITE2, + .amux = EM28XX_AMUX_LINE_IN, + }, { + .type = EM28XX_VMUX_COMPOSITE, + .vmux = SAA7115_COMPOSITE0, + .amux = EM28XX_AMUX_VIDEO, + }, { + .type = EM28XX_VMUX_SVIDEO, + .vmux = SAA7115_SVIDEO3, + .amux = EM28XX_AMUX_LINE_IN, + } }, + }, + [EM2821_BOARD_USBGEAR_VD204] = { + .name = "Usbgear VD204v9", + .valid = EM28XX_BOARD_NOT_VALIDATED, + .tuner_type = TUNER_ABSENT, /* Capture only device */ + .decoder = EM28XX_SAA711X, + .input = { { + .type = EM28XX_VMUX_COMPOSITE, + .vmux = SAA7115_COMPOSITE0, + .amux = EM28XX_AMUX_LINE_IN, + }, { + .type = EM28XX_VMUX_SVIDEO, + .vmux = SAA7115_SVIDEO3, + .amux = EM28XX_AMUX_LINE_IN, + } }, + }, + [EM2860_BOARD_NETGMBH_CAM] = { + /* Beijing Huaqi Information Digital Technology Co., Ltd */ + .name = "NetGMBH Cam", + .valid = EM28XX_BOARD_NOT_VALIDATED, + .tuner_type = TUNER_ABSENT, + .is_webcam = 1, + .input = { { + .type = EM28XX_VMUX_COMPOSITE, + .vmux = 0, + .amux = EM28XX_AMUX_VIDEO, + } }, + }, + [EM2860_BOARD_TYPHOON_DVD_MAKER] = { + .name = "Typhoon DVD Maker", + .decoder = EM28XX_SAA711X, + .tuner_type = TUNER_ABSENT, /* Capture only device */ + .input = { { + .type = EM28XX_VMUX_COMPOSITE, + .vmux = SAA7115_COMPOSITE0, + .amux = EM28XX_AMUX_LINE_IN, + }, { + .type = EM28XX_VMUX_SVIDEO, + .vmux = SAA7115_SVIDEO3, + .amux = EM28XX_AMUX_LINE_IN, + } }, + }, + [EM2860_BOARD_GADMEI_UTV330] = { + .name = "Gadmei UTV330", + .valid = EM28XX_BOARD_NOT_VALIDATED, + .tuner_type = TUNER_TNF_5335MF, + .tda9887_conf = TDA9887_PRESENT, + .decoder = EM28XX_SAA711X, + .input = { { + .type = EM28XX_VMUX_TELEVISION, + .vmux = SAA7115_COMPOSITE2, + .amux = EM28XX_AMUX_VIDEO, + }, { + .type = EM28XX_VMUX_COMPOSITE, + .vmux = SAA7115_COMPOSITE0, + .amux = EM28XX_AMUX_LINE_IN, + }, { + .type = EM28XX_VMUX_SVIDEO, + .vmux = SAA7115_SVIDEO3, + .amux = EM28XX_AMUX_LINE_IN, + } }, + }, + [EM2861_BOARD_GADMEI_UTV330PLUS] = { + .name = "Gadmei UTV330+", + .tuner_type = TUNER_TNF_5335MF, + .tda9887_conf = TDA9887_PRESENT, + .ir_codes = RC_MAP_GADMEI_RM008Z, + .decoder = EM28XX_SAA711X, + .xclk = EM28XX_XCLK_FREQUENCY_12MHZ, + .input = { { + .type = EM28XX_VMUX_TELEVISION, + .vmux = SAA7115_COMPOSITE2, + .amux = EM28XX_AMUX_VIDEO, + }, { + .type = EM28XX_VMUX_COMPOSITE, + .vmux = SAA7115_COMPOSITE0, + .amux = EM28XX_AMUX_LINE_IN, + }, { + .type = EM28XX_VMUX_SVIDEO, + .vmux = SAA7115_SVIDEO3, + .amux = EM28XX_AMUX_LINE_IN, + } }, + }, + [EM2860_BOARD_TERRATEC_HYBRID_XS] = { + .name = "Terratec Cinergy A Hybrid XS", + .valid = EM28XX_BOARD_NOT_VALIDATED, + .tuner_type = TUNER_XC2028, + .tuner_gpio = default_tuner_gpio, + .decoder = EM28XX_TVP5150, + + .input = { { + .type = EM28XX_VMUX_TELEVISION, + .vmux = TVP5150_COMPOSITE0, + .amux = EM28XX_AMUX_VIDEO, + .gpio = hauppauge_wintv_hvr_900_analog, + }, { + .type = EM28XX_VMUX_COMPOSITE, + .vmux = TVP5150_COMPOSITE1, + .amux = EM28XX_AMUX_LINE_IN, + .gpio = hauppauge_wintv_hvr_900_analog, + }, { + .type = EM28XX_VMUX_SVIDEO, + .vmux = TVP5150_SVIDEO, + .amux = EM28XX_AMUX_LINE_IN, + .gpio = hauppauge_wintv_hvr_900_analog, + } }, + }, + [EM2861_BOARD_KWORLD_PVRTV_300U] = { + .name = "KWorld PVRTV 300U", + .valid = EM28XX_BOARD_NOT_VALIDATED, + .tuner_type = TUNER_XC2028, + .tuner_gpio = default_tuner_gpio, + .decoder = EM28XX_TVP5150, + .input = { { + .type = EM28XX_VMUX_TELEVISION, + .vmux = TVP5150_COMPOSITE0, + .amux = EM28XX_AMUX_VIDEO, + }, { + .type = EM28XX_VMUX_COMPOSITE, + .vmux = TVP5150_COMPOSITE1, + .amux = EM28XX_AMUX_LINE_IN, + }, { + .type = EM28XX_VMUX_SVIDEO, + .vmux = TVP5150_SVIDEO, + .amux = EM28XX_AMUX_LINE_IN, + } }, + }, + [EM2861_BOARD_YAKUMO_MOVIE_MIXER] = { + .name = "Yakumo MovieMixer", + .tuner_type = TUNER_ABSENT, /* Capture only device */ + .decoder = EM28XX_TVP5150, + .input = { { + .type = EM28XX_VMUX_TELEVISION, + .vmux = TVP5150_COMPOSITE0, + .amux = EM28XX_AMUX_VIDEO, + }, { + .type = EM28XX_VMUX_COMPOSITE, + .vmux = TVP5150_COMPOSITE1, + .amux = EM28XX_AMUX_LINE_IN, + }, { + .type = EM28XX_VMUX_SVIDEO, + .vmux = TVP5150_SVIDEO, + .amux = EM28XX_AMUX_LINE_IN, + } }, + }, + [EM2860_BOARD_TVP5150_REFERENCE_DESIGN] = { + .name = "EM2860/TVP5150 Reference Design", + .tuner_type = TUNER_ABSENT, /* Capture only device */ + .decoder = EM28XX_TVP5150, + .input = { { + .type = EM28XX_VMUX_COMPOSITE, + .vmux = TVP5150_COMPOSITE1, + .amux = EM28XX_AMUX_LINE_IN, + }, { + .type = EM28XX_VMUX_SVIDEO, + .vmux = TVP5150_SVIDEO, + .amux = EM28XX_AMUX_LINE_IN, + } }, + }, + [EM2861_BOARD_PLEXTOR_PX_TV100U] = { + .name = "Plextor ConvertX PX-TV100U", + .tuner_type = TUNER_TNF_5335MF, + .xclk = EM28XX_XCLK_I2S_MSB_TIMING | + EM28XX_XCLK_FREQUENCY_12MHZ, + .tda9887_conf = TDA9887_PRESENT, + .decoder = EM28XX_TVP5150, + .has_msp34xx = 1, + .input = { { + .type = EM28XX_VMUX_TELEVISION, + .vmux = TVP5150_COMPOSITE0, + .amux = EM28XX_AMUX_LINE_IN, + .gpio = pinnacle_hybrid_pro_analog, + }, { + .type = EM28XX_VMUX_COMPOSITE, + .vmux = TVP5150_COMPOSITE1, + .amux = EM28XX_AMUX_LINE_IN, + .gpio = pinnacle_hybrid_pro_analog, + }, { + .type = EM28XX_VMUX_SVIDEO, + .vmux = TVP5150_SVIDEO, + .amux = EM28XX_AMUX_LINE_IN, + .gpio = pinnacle_hybrid_pro_analog, + } }, + }, + + /* Those boards with em2870 are DVB Only*/ + + [EM2870_BOARD_TERRATEC_XS] = { + .name = "Terratec Cinergy T XS", + .valid = EM28XX_BOARD_NOT_VALIDATED, + .tuner_type = TUNER_XC2028, + .tuner_gpio = default_tuner_gpio, + }, + [EM2870_BOARD_TERRATEC_XS_MT2060] = { + .name = "Terratec Cinergy T XS (MT2060)", + .xclk = EM28XX_XCLK_IR_RC5_MODE | + EM28XX_XCLK_FREQUENCY_12MHZ, + .i2c_speed = EM28XX_I2C_CLK_WAIT_ENABLE, + .tuner_type = TUNER_ABSENT, /* MT2060 */ + .has_dvb = 1, + .tuner_gpio = default_tuner_gpio, + }, + [EM2870_BOARD_KWORLD_350U] = { + .name = "Kworld 350 U DVB-T", + .valid = EM28XX_BOARD_NOT_VALIDATED, + .tuner_type = TUNER_XC2028, + .tuner_gpio = default_tuner_gpio, + }, + [EM2870_BOARD_KWORLD_355U] = { + .name = "Kworld 355 U DVB-T", + .valid = EM28XX_BOARD_NOT_VALIDATED, + .tuner_type = TUNER_ABSENT, + .tuner_gpio = default_tuner_gpio, + .has_dvb = 1, + .dvb_gpio = default_digital, + }, + [EM2870_BOARD_PINNACLE_PCTV_DVB] = { + .name = "Pinnacle PCTV DVB-T", + .valid = EM28XX_BOARD_NOT_VALIDATED, + .tuner_type = TUNER_ABSENT, /* MT2060 */ + /* djh - I have serious doubts this is right... */ + .xclk = EM28XX_XCLK_IR_RC5_MODE | + EM28XX_XCLK_FREQUENCY_10MHZ, + }, + [EM2870_BOARD_COMPRO_VIDEOMATE] = { + .name = "Compro, VideoMate U3", + .valid = EM28XX_BOARD_NOT_VALIDATED, + .tuner_type = TUNER_ABSENT, /* MT2060 */ + }, + + [EM2880_BOARD_TERRATEC_HYBRID_XS_FR] = { + .name = "Terratec Hybrid XS Secam", + .has_msp34xx = 1, + .tuner_type = TUNER_XC2028, + .tuner_gpio = default_tuner_gpio, + .decoder = EM28XX_TVP5150, + .has_dvb = 1, + .dvb_gpio = terratec_cinergy_USB_XS_FR_digital, + .input = { { + .type = EM28XX_VMUX_TELEVISION, + .vmux = TVP5150_COMPOSITE0, + .amux = EM28XX_AMUX_VIDEO, + .gpio = terratec_cinergy_USB_XS_FR_analog, + }, { + .type = EM28XX_VMUX_COMPOSITE, + .vmux = TVP5150_COMPOSITE1, + .amux = EM28XX_AMUX_LINE_IN, + .gpio = terratec_cinergy_USB_XS_FR_analog, + }, { + .type = EM28XX_VMUX_SVIDEO, + .vmux = TVP5150_SVIDEO, + .amux = EM28XX_AMUX_LINE_IN, + .gpio = terratec_cinergy_USB_XS_FR_analog, + } }, + }, + [EM2884_BOARD_TERRATEC_H5] = { + .name = "Terratec Cinergy H5", + .has_dvb = 1, +#if 0 + .tuner_type = TUNER_PHILIPS_TDA8290, + .tuner_addr = 0x41, + .dvb_gpio = terratec_h5_digital, /* FIXME: probably wrong */ + .tuner_gpio = terratec_h5_gpio, +#else + .tuner_type = TUNER_ABSENT, +#endif + .def_i2c_bus = 1, + .i2c_speed = EM28XX_I2C_CLK_WAIT_ENABLE | + EM28XX_I2C_FREQ_400_KHZ, + }, + [EM2884_BOARD_TERRATEC_H6] = { + .name = "Terratec Cinergy H6 rev. 2", + .has_dvb = 1, + .ir_codes = RC_MAP_NEC_TERRATEC_CINERGY_XS, +#if 0 + .tuner_type = TUNER_PHILIPS_TDA8290, + .tuner_addr = 0x41, + .dvb_gpio = terratec_h5_digital, /* FIXME: probably wrong */ + .tuner_gpio = terratec_h5_gpio, +#else + .tuner_type = TUNER_ABSENT, +#endif + .def_i2c_bus = 1, + .i2c_speed = EM28XX_I2C_CLK_WAIT_ENABLE | + EM28XX_I2C_FREQ_400_KHZ, + }, + [EM2884_BOARD_HAUPPAUGE_WINTV_HVR_930C] = { + .name = "Hauppauge WinTV HVR 930C", + .has_dvb = 1, +#if 0 /* FIXME: Add analog support */ + .tuner_type = TUNER_XC5000, + .tuner_addr = 0x41, + .dvb_gpio = hauppauge_930c_digital, + .tuner_gpio = hauppauge_930c_gpio, +#else + .tuner_type = TUNER_ABSENT, +#endif + .ir_codes = RC_MAP_HAUPPAUGE, + .def_i2c_bus = 1, + .i2c_speed = EM28XX_I2C_CLK_WAIT_ENABLE | + EM28XX_I2C_FREQ_400_KHZ, + }, + [EM2884_BOARD_C3TECH_DIGITAL_DUO] = { + .name = "C3 Tech Digital Duo HDTV/SDTV USB", + .has_dvb = 1, + /* FIXME: Add analog support - need a saa7136 driver */ + .tuner_type = TUNER_ABSENT, /* Digital-only TDA18271HD */ + .ir_codes = RC_MAP_EMPTY, + .def_i2c_bus = 1, + .i2c_speed = EM28XX_I2C_CLK_WAIT_ENABLE, + .dvb_gpio = c3tech_digital_duo_digital, + }, + [EM2884_BOARD_CINERGY_HTC_STICK] = { + .name = "Terratec Cinergy HTC Stick", + .has_dvb = 1, + .ir_codes = RC_MAP_NEC_TERRATEC_CINERGY_XS, + .tuner_type = TUNER_ABSENT, + .def_i2c_bus = 1, + .i2c_speed = EM28XX_I2C_CLK_WAIT_ENABLE | + EM28XX_I2C_FREQ_400_KHZ, + }, + [EM2884_BOARD_ELGATO_EYETV_HYBRID_2008] = { + .name = "Elgato EyeTV Hybrid 2008 INT", + .has_dvb = 1, + .ir_codes = RC_MAP_NEC_TERRATEC_CINERGY_XS, + .tuner_type = TUNER_ABSENT, + .def_i2c_bus = 1, + .i2c_speed = EM28XX_I2C_CLK_WAIT_ENABLE | + EM28XX_I2C_FREQ_400_KHZ, + }, + [EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900] = { + .name = "Hauppauge WinTV HVR 900", + .tda9887_conf = TDA9887_PRESENT, + .tuner_type = TUNER_XC2028, + .tuner_gpio = default_tuner_gpio, + .mts_firmware = 1, + .has_dvb = 1, + .dvb_gpio = hauppauge_wintv_hvr_900_digital, + .ir_codes = RC_MAP_HAUPPAUGE, + .decoder = EM28XX_TVP5150, + .input = { { + .type = EM28XX_VMUX_TELEVISION, + .vmux = TVP5150_COMPOSITE0, + .amux = EM28XX_AMUX_VIDEO, + .gpio = hauppauge_wintv_hvr_900_analog, + }, { + .type = EM28XX_VMUX_COMPOSITE, + .vmux = TVP5150_COMPOSITE1, + .amux = EM28XX_AMUX_LINE_IN, + .gpio = hauppauge_wintv_hvr_900_analog, + }, { + .type = EM28XX_VMUX_SVIDEO, + .vmux = TVP5150_SVIDEO, + .amux = EM28XX_AMUX_LINE_IN, + .gpio = hauppauge_wintv_hvr_900_analog, + } }, + }, + [EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900_R2] = { + .name = "Hauppauge WinTV HVR 900 (R2)", + .tda9887_conf = TDA9887_PRESENT, + .tuner_type = TUNER_XC2028, + .tuner_gpio = default_tuner_gpio, + .mts_firmware = 1, + .has_dvb = 1, + .dvb_gpio = hauppauge_wintv_hvr_900R2_digital, + .ir_codes = RC_MAP_HAUPPAUGE, + .decoder = EM28XX_TVP5150, + .input = { { + .type = EM28XX_VMUX_TELEVISION, + .vmux = TVP5150_COMPOSITE0, + .amux = EM28XX_AMUX_VIDEO, + .gpio = hauppauge_wintv_hvr_900_analog, + }, { + .type = EM28XX_VMUX_COMPOSITE, + .vmux = TVP5150_COMPOSITE1, + .amux = EM28XX_AMUX_LINE_IN, + .gpio = hauppauge_wintv_hvr_900_analog, + }, { + .type = EM28XX_VMUX_SVIDEO, + .vmux = TVP5150_SVIDEO, + .amux = EM28XX_AMUX_LINE_IN, + .gpio = hauppauge_wintv_hvr_900_analog, + } }, + }, + [EM2883_BOARD_HAUPPAUGE_WINTV_HVR_850] = { + .name = "Hauppauge WinTV HVR 850", + .tuner_type = TUNER_XC2028, + .tuner_gpio = default_tuner_gpio, + .mts_firmware = 1, + .has_dvb = 1, + .dvb_gpio = hauppauge_wintv_hvr_900_digital, + .ir_codes = RC_MAP_HAUPPAUGE, + .decoder = EM28XX_TVP5150, + .input = { { + .type = EM28XX_VMUX_TELEVISION, + .vmux = TVP5150_COMPOSITE0, + .amux = EM28XX_AMUX_VIDEO, + .gpio = hauppauge_wintv_hvr_900_analog, + }, { + .type = EM28XX_VMUX_COMPOSITE, + .vmux = TVP5150_COMPOSITE1, + .amux = EM28XX_AMUX_LINE_IN, + .gpio = hauppauge_wintv_hvr_900_analog, + }, { + .type = EM28XX_VMUX_SVIDEO, + .vmux = TVP5150_SVIDEO, + .amux = EM28XX_AMUX_LINE_IN, + .gpio = hauppauge_wintv_hvr_900_analog, + } }, + }, + [EM2883_BOARD_HAUPPAUGE_WINTV_HVR_950] = { + .name = "Hauppauge WinTV HVR 950", + .tuner_type = TUNER_XC2028, + .tuner_gpio = default_tuner_gpio, + .mts_firmware = 1, + .has_dvb = 1, + .dvb_gpio = hauppauge_wintv_hvr_900_digital, + .ir_codes = RC_MAP_HAUPPAUGE, + .decoder = EM28XX_TVP5150, + .input = { { + .type = EM28XX_VMUX_TELEVISION, + .vmux = TVP5150_COMPOSITE0, + .amux = EM28XX_AMUX_VIDEO, + .gpio = hauppauge_wintv_hvr_900_analog, + }, { + .type = EM28XX_VMUX_COMPOSITE, + .vmux = TVP5150_COMPOSITE1, + .amux = EM28XX_AMUX_LINE_IN, + .gpio = hauppauge_wintv_hvr_900_analog, + }, { + .type = EM28XX_VMUX_SVIDEO, + .vmux = TVP5150_SVIDEO, + .amux = EM28XX_AMUX_LINE_IN, + .gpio = hauppauge_wintv_hvr_900_analog, + } }, + }, + [EM2880_BOARD_PINNACLE_PCTV_HD_PRO] = { + .name = "Pinnacle PCTV HD Pro Stick", + .tuner_type = TUNER_XC2028, + .tuner_gpio = default_tuner_gpio, + .mts_firmware = 1, + .has_dvb = 1, + .dvb_gpio = hauppauge_wintv_hvr_900_digital, + .ir_codes = RC_MAP_PINNACLE_PCTV_HD, + .decoder = EM28XX_TVP5150, + .input = { { + .type = EM28XX_VMUX_TELEVISION, + .vmux = TVP5150_COMPOSITE0, + .amux = EM28XX_AMUX_VIDEO, + .gpio = hauppauge_wintv_hvr_900_analog, + }, { + .type = EM28XX_VMUX_COMPOSITE, + .vmux = TVP5150_COMPOSITE1, + .amux = EM28XX_AMUX_LINE_IN, + .gpio = hauppauge_wintv_hvr_900_analog, + }, { + .type = EM28XX_VMUX_SVIDEO, + .vmux = TVP5150_SVIDEO, + .amux = EM28XX_AMUX_LINE_IN, + .gpio = hauppauge_wintv_hvr_900_analog, + } }, + }, + [EM2880_BOARD_AMD_ATI_TV_WONDER_HD_600] = { + .name = "AMD ATI TV Wonder HD 600", + .tuner_type = TUNER_XC2028, + .tuner_gpio = default_tuner_gpio, + .mts_firmware = 1, + .has_dvb = 1, + .dvb_gpio = hauppauge_wintv_hvr_900_digital, + .ir_codes = RC_MAP_ATI_TV_WONDER_HD_600, + .decoder = EM28XX_TVP5150, + .input = { { + .type = EM28XX_VMUX_TELEVISION, + .vmux = TVP5150_COMPOSITE0, + .amux = EM28XX_AMUX_VIDEO, + .gpio = hauppauge_wintv_hvr_900_analog, + }, { + .type = EM28XX_VMUX_COMPOSITE, + .vmux = TVP5150_COMPOSITE1, + .amux = EM28XX_AMUX_LINE_IN, + .gpio = hauppauge_wintv_hvr_900_analog, + }, { + .type = EM28XX_VMUX_SVIDEO, + .vmux = TVP5150_SVIDEO, + .amux = EM28XX_AMUX_LINE_IN, + .gpio = hauppauge_wintv_hvr_900_analog, + } }, + }, + [EM2880_BOARD_TERRATEC_HYBRID_XS] = { + .name = "Terratec Hybrid XS", + .tuner_type = TUNER_XC2028, + .tuner_gpio = default_tuner_gpio, + .decoder = EM28XX_TVP5150, + .has_dvb = 1, + .dvb_gpio = default_digital, + .ir_codes = RC_MAP_TERRATEC_CINERGY_XS, + .xclk = EM28XX_XCLK_FREQUENCY_12MHZ, /* NEC IR */ + .input = { { + .type = EM28XX_VMUX_TELEVISION, + .vmux = TVP5150_COMPOSITE0, + .amux = EM28XX_AMUX_VIDEO, + .gpio = default_analog, + }, { + .type = EM28XX_VMUX_COMPOSITE, + .vmux = TVP5150_COMPOSITE1, + .amux = EM28XX_AMUX_LINE_IN, + .gpio = default_analog, + }, { + .type = EM28XX_VMUX_SVIDEO, + .vmux = TVP5150_SVIDEO, + .amux = EM28XX_AMUX_LINE_IN, + .gpio = default_analog, + } }, + }, + /* + * maybe there's a reason behind it why Terratec sells the Hybrid XS + * as Prodigy XS with a different PID, let's keep it separated for now + * maybe we'll need it later on + */ + [EM2880_BOARD_TERRATEC_PRODIGY_XS] = { + .name = "Terratec Prodigy XS", + .tuner_type = TUNER_XC2028, + .tuner_gpio = default_tuner_gpio, + .decoder = EM28XX_TVP5150, + .input = { { + .type = EM28XX_VMUX_TELEVISION, + .vmux = TVP5150_COMPOSITE0, + .amux = EM28XX_AMUX_VIDEO, + .gpio = hauppauge_wintv_hvr_900_analog, + }, { + .type = EM28XX_VMUX_COMPOSITE, + .vmux = TVP5150_COMPOSITE1, + .amux = EM28XX_AMUX_LINE_IN, + .gpio = hauppauge_wintv_hvr_900_analog, + }, { + .type = EM28XX_VMUX_SVIDEO, + .vmux = TVP5150_SVIDEO, + .amux = EM28XX_AMUX_LINE_IN, + .gpio = hauppauge_wintv_hvr_900_analog, + } }, + }, + [EM2820_BOARD_MSI_VOX_USB_2] = { + .name = "MSI VOX USB 2.0", + .tuner_type = TUNER_LG_PAL_NEW_TAPC, + .tda9887_conf = TDA9887_PRESENT | + TDA9887_PORT1_ACTIVE | + TDA9887_PORT2_ACTIVE, + .max_range_640_480 = 1, + .decoder = EM28XX_SAA711X, + .input = { { + .type = EM28XX_VMUX_TELEVISION, + .vmux = SAA7115_COMPOSITE4, + .amux = EM28XX_AMUX_VIDEO, + }, { + .type = EM28XX_VMUX_COMPOSITE, + .vmux = SAA7115_COMPOSITE0, + .amux = EM28XX_AMUX_LINE_IN, + }, { + .type = EM28XX_VMUX_SVIDEO, + .vmux = SAA7115_SVIDEO3, + .amux = EM28XX_AMUX_LINE_IN, + } }, + }, + [EM2800_BOARD_TERRATEC_CINERGY_200] = { + .name = "Terratec Cinergy 200 USB", + .is_em2800 = 1, + .has_ir_i2c = 1, + .tuner_type = TUNER_LG_TALN, + .tda9887_conf = TDA9887_PRESENT, + .decoder = EM28XX_SAA711X, + .input = { { + .type = EM28XX_VMUX_TELEVISION, + .vmux = SAA7115_COMPOSITE2, + .amux = EM28XX_AMUX_VIDEO, + }, { + .type = EM28XX_VMUX_COMPOSITE, + .vmux = SAA7115_COMPOSITE0, + .amux = EM28XX_AMUX_LINE_IN, + }, { + .type = EM28XX_VMUX_SVIDEO, + .vmux = SAA7115_SVIDEO3, + .amux = EM28XX_AMUX_LINE_IN, + } }, + }, + [EM2800_BOARD_GRABBEEX_USB2800] = { + .name = "eMPIA Technology, Inc. GrabBeeX+ Video Encoder", + .is_em2800 = 1, + .decoder = EM28XX_SAA711X, + .tuner_type = TUNER_ABSENT, /* capture only board */ + .input = { { + .type = EM28XX_VMUX_COMPOSITE, + .vmux = SAA7115_COMPOSITE0, + .amux = EM28XX_AMUX_LINE_IN, + }, { + .type = EM28XX_VMUX_SVIDEO, + .vmux = SAA7115_SVIDEO3, + .amux = EM28XX_AMUX_LINE_IN, + } }, + }, + [EM2800_BOARD_VC211A] = { + .name = "Actionmaster/LinXcel/Digitus VC211A", + .is_em2800 = 1, + .tuner_type = TUNER_ABSENT, /* Capture-only board */ + .decoder = EM28XX_SAA711X, + .input = { { + .type = EM28XX_VMUX_COMPOSITE, + .vmux = SAA7115_COMPOSITE0, + .amux = EM28XX_AMUX_LINE_IN, + .gpio = vc211a_enable, + }, { + .type = EM28XX_VMUX_SVIDEO, + .vmux = SAA7115_SVIDEO3, + .amux = EM28XX_AMUX_LINE_IN, + .gpio = vc211a_enable, + } }, + }, + [EM2800_BOARD_LEADTEK_WINFAST_USBII] = { + .name = "Leadtek Winfast USB II", + .is_em2800 = 1, + .tuner_type = TUNER_LG_PAL_NEW_TAPC, + .tda9887_conf = TDA9887_PRESENT, + .decoder = EM28XX_SAA711X, + .input = { { + .type = EM28XX_VMUX_TELEVISION, + .vmux = SAA7115_COMPOSITE2, + .amux = EM28XX_AMUX_VIDEO, + }, { + .type = EM28XX_VMUX_COMPOSITE, + .vmux = SAA7115_COMPOSITE0, + .amux = EM28XX_AMUX_LINE_IN, + }, { + .type = EM28XX_VMUX_SVIDEO, + .vmux = SAA7115_SVIDEO3, + .amux = EM28XX_AMUX_LINE_IN, + } }, + }, + [EM2800_BOARD_KWORLD_USB2800] = { + .name = "Kworld USB2800", + .is_em2800 = 1, + .tuner_type = TUNER_PHILIPS_FCV1236D, + .tda9887_conf = TDA9887_PRESENT, + .decoder = EM28XX_SAA711X, + .input = { { + .type = EM28XX_VMUX_TELEVISION, + .vmux = SAA7115_COMPOSITE2, + .amux = EM28XX_AMUX_VIDEO, + }, { + .type = EM28XX_VMUX_COMPOSITE, + .vmux = SAA7115_COMPOSITE0, + .amux = EM28XX_AMUX_LINE_IN, + }, { + .type = EM28XX_VMUX_SVIDEO, + .vmux = SAA7115_SVIDEO3, + .amux = EM28XX_AMUX_LINE_IN, + } }, + }, + [EM2820_BOARD_PINNACLE_DVC_90] = { + .name = "Pinnacle Dazzle DVC 90/100/101/107 / Kaiser Baas Video to DVD maker / Kworld DVD Maker 2 / Plextor ConvertX PX-AV100U", + .tuner_type = TUNER_ABSENT, /* capture only board */ + .decoder = EM28XX_SAA711X, + .input = { { + .type = EM28XX_VMUX_COMPOSITE, + .vmux = SAA7115_COMPOSITE0, + .amux = EM28XX_AMUX_LINE_IN, + }, { + .type = EM28XX_VMUX_SVIDEO, + .vmux = SAA7115_SVIDEO3, + .amux = EM28XX_AMUX_LINE_IN, + } }, + }, + [EM2800_BOARD_VGEAR_POCKETTV] = { + .name = "V-Gear PocketTV", + .is_em2800 = 1, + .tuner_type = TUNER_LG_PAL_NEW_TAPC, + .tda9887_conf = TDA9887_PRESENT, + .decoder = EM28XX_SAA711X, + .input = { { + .type = EM28XX_VMUX_TELEVISION, + .vmux = SAA7115_COMPOSITE2, + .amux = EM28XX_AMUX_VIDEO, + }, { + .type = EM28XX_VMUX_COMPOSITE, + .vmux = SAA7115_COMPOSITE0, + .amux = EM28XX_AMUX_LINE_IN, + }, { + .type = EM28XX_VMUX_SVIDEO, + .vmux = SAA7115_SVIDEO3, + .amux = EM28XX_AMUX_LINE_IN, + } }, + }, + [EM2820_BOARD_PROLINK_PLAYTV_BOX4_USB2] = { + .name = "Pixelview PlayTV Box 4 USB 2.0", + .tda9887_conf = TDA9887_PRESENT, + .tuner_type = TUNER_YMEC_TVF_5533MF, + .decoder = EM28XX_SAA711X, + .input = { { + .type = EM28XX_VMUX_TELEVISION, + .vmux = SAA7115_COMPOSITE2, + .amux = EM28XX_AMUX_VIDEO, + .aout = EM28XX_AOUT_MONO | /* I2S */ + EM28XX_AOUT_MASTER, /* Line out pin */ + }, { + .type = EM28XX_VMUX_COMPOSITE, + .vmux = SAA7115_COMPOSITE0, + .amux = EM28XX_AMUX_LINE_IN, + }, { + .type = EM28XX_VMUX_SVIDEO, + .vmux = SAA7115_SVIDEO3, + .amux = EM28XX_AMUX_LINE_IN, + } }, + }, + [EM2820_BOARD_PROLINK_PLAYTV_USB2] = { + .name = "SIIG AVTuner-PVR / Pixelview Prolink PlayTV USB 2.0", + .buttons = std_snapshot_button, + .tda9887_conf = TDA9887_PRESENT, + .tuner_type = TUNER_YMEC_TVF_5533MF, + .tuner_addr = 0x60, + .decoder = EM28XX_SAA711X, + .input = { { + .type = EM28XX_VMUX_TELEVISION, + .vmux = SAA7115_COMPOSITE2, + .amux = EM28XX_AMUX_VIDEO, + .aout = EM28XX_AOUT_MONO | /* I2S */ + EM28XX_AOUT_MASTER, /* Line out pin */ + }, { + .type = EM28XX_VMUX_COMPOSITE, + .vmux = SAA7115_COMPOSITE0, + .amux = EM28XX_AMUX_LINE_IN, + }, { + .type = EM28XX_VMUX_SVIDEO, + .vmux = SAA7115_SVIDEO3, + .amux = EM28XX_AMUX_LINE_IN, + } }, + }, + [EM2860_BOARD_SAA711X_REFERENCE_DESIGN] = { + .name = "EM2860/SAA711X Reference Design", + .buttons = std_snapshot_button, + .tuner_type = TUNER_ABSENT, + .decoder = EM28XX_SAA711X, + .input = { { + .type = EM28XX_VMUX_SVIDEO, + .vmux = SAA7115_SVIDEO3, + }, { + .type = EM28XX_VMUX_COMPOSITE, + .vmux = SAA7115_COMPOSITE0, + } }, + }, + + [EM2874_BOARD_LEADERSHIP_ISDBT] = { + .def_i2c_bus = 1, + .i2c_speed = EM28XX_I2C_CLK_WAIT_ENABLE | + EM28XX_I2C_FREQ_100_KHZ, + .xclk = EM28XX_XCLK_FREQUENCY_10MHZ, + .name = "EM2874 Leadership ISDBT", + .tuner_type = TUNER_ABSENT, + .tuner_gpio = leadership_reset, + .dvb_gpio = leadership_digital, + .has_dvb = 1, + }, + + [EM2880_BOARD_MSI_DIGIVOX_AD] = { + .name = "MSI DigiVox A/D", + .valid = EM28XX_BOARD_NOT_VALIDATED, + .tuner_type = TUNER_XC2028, + .tuner_gpio = default_tuner_gpio, + .decoder = EM28XX_TVP5150, + .input = { { + .type = EM28XX_VMUX_TELEVISION, + .vmux = TVP5150_COMPOSITE0, + .amux = EM28XX_AMUX_VIDEO, + .gpio = em2880_msi_digivox_ad_analog, + }, { + .type = EM28XX_VMUX_COMPOSITE, + .vmux = TVP5150_COMPOSITE1, + .amux = EM28XX_AMUX_LINE_IN, + .gpio = em2880_msi_digivox_ad_analog, + }, { + .type = EM28XX_VMUX_SVIDEO, + .vmux = TVP5150_SVIDEO, + .amux = EM28XX_AMUX_LINE_IN, + .gpio = em2880_msi_digivox_ad_analog, + } }, + }, + [EM2880_BOARD_MSI_DIGIVOX_AD_II] = { + .name = "MSI DigiVox A/D II", + .valid = EM28XX_BOARD_NOT_VALIDATED, + .tuner_type = TUNER_XC2028, + .tuner_gpio = default_tuner_gpio, + .decoder = EM28XX_TVP5150, + .input = { { + .type = EM28XX_VMUX_TELEVISION, + .vmux = TVP5150_COMPOSITE0, + .amux = EM28XX_AMUX_VIDEO, + .gpio = em2880_msi_digivox_ad_analog, + }, { + .type = EM28XX_VMUX_COMPOSITE, + .vmux = TVP5150_COMPOSITE1, + .amux = EM28XX_AMUX_LINE_IN, + .gpio = em2880_msi_digivox_ad_analog, + }, { + .type = EM28XX_VMUX_SVIDEO, + .vmux = TVP5150_SVIDEO, + .amux = EM28XX_AMUX_LINE_IN, + .gpio = em2880_msi_digivox_ad_analog, + } }, + }, + [EM2880_BOARD_KWORLD_DVB_305U] = { + .name = "KWorld DVB-T 305U", + .tuner_type = TUNER_XC2028, + .tuner_gpio = default_tuner_gpio, + .decoder = EM28XX_TVP5150, + .input = { { + .type = EM28XX_VMUX_TELEVISION, + .vmux = TVP5150_COMPOSITE0, + .amux = EM28XX_AMUX_VIDEO, + }, { + .type = EM28XX_VMUX_COMPOSITE, + .vmux = TVP5150_COMPOSITE1, + .amux = EM28XX_AMUX_LINE_IN, + }, { + .type = EM28XX_VMUX_SVIDEO, + .vmux = TVP5150_SVIDEO, + .amux = EM28XX_AMUX_LINE_IN, + } }, + }, + [EM2880_BOARD_KWORLD_DVB_310U] = { + .name = "KWorld DVB-T 310U", + .tuner_type = TUNER_XC2028, + .tuner_gpio = default_tuner_gpio, + .has_dvb = 1, + .dvb_gpio = default_digital, + .mts_firmware = 1, + .decoder = EM28XX_TVP5150, + .input = { { + .type = EM28XX_VMUX_TELEVISION, + .vmux = TVP5150_COMPOSITE0, + .amux = EM28XX_AMUX_VIDEO, + .gpio = default_analog, + }, { + .type = EM28XX_VMUX_COMPOSITE, + .vmux = TVP5150_COMPOSITE1, + .amux = EM28XX_AMUX_LINE_IN, + .gpio = default_analog, + }, { /* S-video has not been tested yet */ + .type = EM28XX_VMUX_SVIDEO, + .vmux = TVP5150_SVIDEO, + .amux = EM28XX_AMUX_LINE_IN, + .gpio = default_analog, + } }, + }, + [EM2882_BOARD_KWORLD_ATSC_315U] = { + .name = "KWorld ATSC 315U HDTV TV Box", + .valid = EM28XX_BOARD_NOT_VALIDATED, + .tuner_type = TUNER_THOMSON_DTT761X, + .tuner_gpio = em2882_kworld_315u_tuner_gpio, + .tda9887_conf = TDA9887_PRESENT, + .decoder = EM28XX_SAA711X, + .has_dvb = 1, + .dvb_gpio = em2882_kworld_315u_digital, + .ir_codes = RC_MAP_KWORLD_315U, + .xclk = EM28XX_XCLK_FREQUENCY_12MHZ, + .i2c_speed = EM28XX_I2C_CLK_WAIT_ENABLE, +#if 0 + /* FIXME: Analog mode - still not ready */ + .input = { { + .type = EM28XX_VMUX_TELEVISION, + .vmux = SAA7115_COMPOSITE2, + .amux = EM28XX_AMUX_VIDEO, + .gpio = em2882_kworld_315u_analog, + .aout = EM28XX_AOUT_PCM_IN | EM28XX_AOUT_PCM_STEREO, + }, { + .type = EM28XX_VMUX_COMPOSITE, + .vmux = SAA7115_COMPOSITE0, + .amux = EM28XX_AMUX_LINE_IN, + .gpio = em2882_kworld_315u_analog1, + .aout = EM28XX_AOUT_PCM_IN | EM28XX_AOUT_PCM_STEREO, + }, { + .type = EM28XX_VMUX_SVIDEO, + .vmux = SAA7115_SVIDEO3, + .amux = EM28XX_AMUX_LINE_IN, + .gpio = em2882_kworld_315u_analog1, + .aout = EM28XX_AOUT_PCM_IN | EM28XX_AOUT_PCM_STEREO, + } }, +#endif + }, + [EM2880_BOARD_EMPIRE_DUAL_TV] = { + .name = "Empire dual TV", + .tuner_type = TUNER_XC2028, + .tuner_gpio = default_tuner_gpio, + .has_dvb = 1, + .dvb_gpio = default_digital, + .mts_firmware = 1, + .decoder = EM28XX_TVP5150, + .input = { { + .type = EM28XX_VMUX_TELEVISION, + .vmux = TVP5150_COMPOSITE0, + .amux = EM28XX_AMUX_VIDEO, + .gpio = default_analog, + }, { + .type = EM28XX_VMUX_COMPOSITE, + .vmux = TVP5150_COMPOSITE1, + .amux = EM28XX_AMUX_LINE_IN, + .gpio = default_analog, + }, { + .type = EM28XX_VMUX_SVIDEO, + .vmux = TVP5150_SVIDEO, + .amux = EM28XX_AMUX_LINE_IN, + .gpio = default_analog, + } }, + }, + [EM2881_BOARD_DNT_DA2_HYBRID] = { + .name = "DNT DA2 Hybrid", + .valid = EM28XX_BOARD_NOT_VALIDATED, + .tuner_type = TUNER_XC2028, + .tuner_gpio = default_tuner_gpio, + .decoder = EM28XX_TVP5150, + .input = { { + .type = EM28XX_VMUX_TELEVISION, + .vmux = TVP5150_COMPOSITE0, + .amux = EM28XX_AMUX_VIDEO, + .gpio = default_analog, + }, { + .type = EM28XX_VMUX_COMPOSITE, + .vmux = TVP5150_COMPOSITE1, + .amux = EM28XX_AMUX_LINE_IN, + .gpio = default_analog, + }, { + .type = EM28XX_VMUX_SVIDEO, + .vmux = TVP5150_SVIDEO, + .amux = EM28XX_AMUX_LINE_IN, + .gpio = default_analog, + } }, + }, + [EM2881_BOARD_PINNACLE_HYBRID_PRO] = { + .name = "Pinnacle Hybrid Pro", + .tuner_type = TUNER_XC2028, + .tuner_gpio = default_tuner_gpio, + .decoder = EM28XX_TVP5150, + .has_dvb = 1, + .dvb_gpio = pinnacle_hybrid_pro_digital, + .input = { { + .type = EM28XX_VMUX_TELEVISION, + .vmux = TVP5150_COMPOSITE0, + .amux = EM28XX_AMUX_VIDEO, + .gpio = pinnacle_hybrid_pro_analog, + }, { + .type = EM28XX_VMUX_COMPOSITE, + .vmux = TVP5150_COMPOSITE1, + .amux = EM28XX_AMUX_LINE_IN, + .gpio = pinnacle_hybrid_pro_analog, + }, { + .type = EM28XX_VMUX_SVIDEO, + .vmux = TVP5150_SVIDEO, + .amux = EM28XX_AMUX_LINE_IN, + .gpio = pinnacle_hybrid_pro_analog, + } }, + }, + [EM2882_BOARD_PINNACLE_HYBRID_PRO_330E] = { + .name = "Pinnacle Hybrid Pro (330e)", + .tuner_type = TUNER_XC2028, + .tuner_gpio = default_tuner_gpio, + .mts_firmware = 1, + .has_dvb = 1, + .dvb_gpio = hauppauge_wintv_hvr_900R2_digital, + .ir_codes = RC_MAP_PINNACLE_PCTV_HD, + .decoder = EM28XX_TVP5150, + .input = { { + .type = EM28XX_VMUX_TELEVISION, + .vmux = TVP5150_COMPOSITE0, + .amux = EM28XX_AMUX_VIDEO, + .gpio = hauppauge_wintv_hvr_900_analog, + }, { + .type = EM28XX_VMUX_COMPOSITE, + .vmux = TVP5150_COMPOSITE1, + .amux = EM28XX_AMUX_LINE_IN, + .gpio = hauppauge_wintv_hvr_900_analog, + }, { + .type = EM28XX_VMUX_SVIDEO, + .vmux = TVP5150_SVIDEO, + .amux = EM28XX_AMUX_LINE_IN, + .gpio = hauppauge_wintv_hvr_900_analog, + } }, + }, + [EM2882_BOARD_KWORLD_VS_DVBT] = { + .name = "Kworld VS-DVB-T 323UR", + .tuner_type = TUNER_XC2028, + .tuner_gpio = default_tuner_gpio, + .decoder = EM28XX_TVP5150, + .mts_firmware = 1, + .has_dvb = 1, + .dvb_gpio = kworld_330u_digital, + .xclk = EM28XX_XCLK_FREQUENCY_12MHZ, /* NEC IR */ + .ir_codes = RC_MAP_KWORLD_315U, + .input = { { + .type = EM28XX_VMUX_TELEVISION, + .vmux = TVP5150_COMPOSITE0, + .amux = EM28XX_AMUX_VIDEO, + }, { + .type = EM28XX_VMUX_COMPOSITE, + .vmux = TVP5150_COMPOSITE1, + .amux = EM28XX_AMUX_LINE_IN, + }, { + .type = EM28XX_VMUX_SVIDEO, + .vmux = TVP5150_SVIDEO, + .amux = EM28XX_AMUX_LINE_IN, + } }, + }, + [EM2882_BOARD_TERRATEC_HYBRID_XS] = { + .name = "Terratec Cinnergy Hybrid T USB XS (em2882)", + .tuner_type = TUNER_XC2028, + .tuner_gpio = default_tuner_gpio, + .mts_firmware = 1, + .decoder = EM28XX_TVP5150, + .has_dvb = 1, + .dvb_gpio = hauppauge_wintv_hvr_900_digital, + .ir_codes = RC_MAP_TERRATEC_CINERGY_XS, + .xclk = EM28XX_XCLK_FREQUENCY_12MHZ, + .input = { { + .type = EM28XX_VMUX_TELEVISION, + .vmux = TVP5150_COMPOSITE0, + .amux = EM28XX_AMUX_VIDEO, + .gpio = hauppauge_wintv_hvr_900_analog, + }, { + .type = EM28XX_VMUX_COMPOSITE, + .vmux = TVP5150_COMPOSITE1, + .amux = EM28XX_AMUX_LINE_IN, + .gpio = hauppauge_wintv_hvr_900_analog, + }, { + .type = EM28XX_VMUX_SVIDEO, + .vmux = TVP5150_SVIDEO, + .amux = EM28XX_AMUX_LINE_IN, + .gpio = hauppauge_wintv_hvr_900_analog, + } }, + }, + [EM2882_BOARD_DIKOM_DK300] = { + .name = "Dikom DK300", + .tuner_type = TUNER_XC2028, + .tuner_gpio = default_tuner_gpio, + .decoder = EM28XX_TVP5150, + .mts_firmware = 1, + .has_dvb = 1, + .dvb_gpio = dikom_dk300_digital, + .input = { { + .type = EM28XX_VMUX_TELEVISION, + .vmux = TVP5150_COMPOSITE0, + .amux = EM28XX_AMUX_VIDEO, + .gpio = default_analog, + } }, + }, + [EM2883_BOARD_KWORLD_HYBRID_330U] = { + .name = "Kworld PlusTV HD Hybrid 330", + .tuner_type = TUNER_XC2028, + .tuner_gpio = default_tuner_gpio, + .decoder = EM28XX_TVP5150, + .mts_firmware = 1, + .has_dvb = 1, + .dvb_gpio = kworld_330u_digital, + .xclk = EM28XX_XCLK_FREQUENCY_12MHZ, + .i2c_speed = EM28XX_I2C_CLK_WAIT_ENABLE | + EM28XX_I2C_EEPROM_ON_BOARD | + EM28XX_I2C_EEPROM_KEY_VALID, + .input = { { + .type = EM28XX_VMUX_TELEVISION, + .vmux = TVP5150_COMPOSITE0, + .amux = EM28XX_AMUX_VIDEO, + .gpio = kworld_330u_analog, + .aout = EM28XX_AOUT_PCM_IN | EM28XX_AOUT_PCM_STEREO, + }, { + .type = EM28XX_VMUX_COMPOSITE, + .vmux = TVP5150_COMPOSITE1, + .amux = EM28XX_AMUX_LINE_IN, + .gpio = kworld_330u_analog, + .aout = EM28XX_AOUT_PCM_IN | EM28XX_AOUT_PCM_STEREO, + }, { + .type = EM28XX_VMUX_SVIDEO, + .vmux = TVP5150_SVIDEO, + .amux = EM28XX_AMUX_LINE_IN, + .gpio = kworld_330u_analog, + } }, + }, + [EM2820_BOARD_COMPRO_VIDEOMATE_FORYOU] = { + .name = "Compro VideoMate ForYou/Stereo", + .tuner_type = TUNER_LG_PAL_NEW_TAPC, + .tvaudio_addr = 0xb0, + .tda9887_conf = TDA9887_PRESENT, + .decoder = EM28XX_TVP5150, + .adecoder = EM28XX_TVAUDIO, + .mute_gpio = compro_mute_gpio, + .input = { { + .type = EM28XX_VMUX_TELEVISION, + .vmux = TVP5150_COMPOSITE0, + .amux = EM28XX_AMUX_VIDEO, + .gpio = compro_unmute_tv_gpio, + }, { + .type = EM28XX_VMUX_SVIDEO, + .vmux = TVP5150_SVIDEO, + .amux = EM28XX_AMUX_LINE_IN, + .gpio = compro_unmute_svid_gpio, + } }, + }, + [EM2860_BOARD_KAIOMY_TVNPC_U2] = { + .name = "Kaiomy TVnPC U2", + .vchannels = 3, + .tuner_type = TUNER_XC2028, + .tuner_addr = 0x61, + .mts_firmware = 1, + .decoder = EM28XX_TVP5150, + .tuner_gpio = default_tuner_gpio, + .ir_codes = RC_MAP_KAIOMY, + .input = { { + .type = EM28XX_VMUX_TELEVISION, + .vmux = TVP5150_COMPOSITE0, + .amux = EM28XX_AMUX_VIDEO, + + }, { + .type = EM28XX_VMUX_COMPOSITE, + .vmux = TVP5150_COMPOSITE1, + .amux = EM28XX_AMUX_LINE_IN, + }, { + .type = EM28XX_VMUX_SVIDEO, + .vmux = TVP5150_SVIDEO, + .amux = EM28XX_AMUX_LINE_IN, + } }, + .radio = { + .type = EM28XX_RADIO, + .amux = EM28XX_AMUX_LINE_IN, + } + }, + [EM2860_BOARD_EASYCAP] = { + .name = "Easy Cap Capture DC-60", + .vchannels = 2, + .tuner_type = TUNER_ABSENT, + .decoder = EM28XX_SAA711X, + .input = { { + .type = EM28XX_VMUX_COMPOSITE, + .vmux = SAA7115_COMPOSITE0, + .amux = EM28XX_AMUX_LINE_IN, + }, { + .type = EM28XX_VMUX_SVIDEO, + .vmux = SAA7115_SVIDEO3, + .amux = EM28XX_AMUX_LINE_IN, + } }, + }, + [EM2820_BOARD_IODATA_GVMVP_SZ] = { + .name = "IO-DATA GV-MVP/SZ", + .tuner_type = TUNER_PHILIPS_FM1236_MK3, + .tuner_gpio = default_tuner_gpio, + .tda9887_conf = TDA9887_PRESENT, + .decoder = EM28XX_TVP5150, + .input = { { + .type = EM28XX_VMUX_TELEVISION, + .vmux = TVP5150_COMPOSITE0, + .amux = EM28XX_AMUX_VIDEO, + }, { /* Composite has not been tested yet */ + .type = EM28XX_VMUX_COMPOSITE, + .vmux = TVP5150_COMPOSITE1, + .amux = EM28XX_AMUX_VIDEO, + }, { /* S-video has not been tested yet */ + .type = EM28XX_VMUX_SVIDEO, + .vmux = TVP5150_SVIDEO, + .amux = EM28XX_AMUX_VIDEO, + } }, + }, + [EM2860_BOARD_TERRATEC_GRABBY] = { + .name = "Terratec Grabby", + .vchannels = 2, + .tuner_type = TUNER_ABSENT, + .decoder = EM28XX_SAA711X, + .xclk = EM28XX_XCLK_FREQUENCY_12MHZ, + .input = { { + .type = EM28XX_VMUX_COMPOSITE, + .vmux = SAA7115_COMPOSITE0, + .amux = EM28XX_AMUX_LINE_IN, + }, { + .type = EM28XX_VMUX_SVIDEO, + .vmux = SAA7115_SVIDEO3, + .amux = EM28XX_AMUX_LINE_IN, + } }, + .buttons = std_snapshot_button, + .leds = terratec_grabby_leds, + }, + [EM2860_BOARD_TERRATEC_AV350] = { + .name = "Terratec AV350", + .vchannels = 2, + .tuner_type = TUNER_ABSENT, + .decoder = EM28XX_TVP5150, + .xclk = EM28XX_XCLK_FREQUENCY_12MHZ, + .mute_gpio = terratec_av350_mute_gpio, + .input = { { + .type = EM28XX_VMUX_COMPOSITE, + .vmux = TVP5150_COMPOSITE1, + .amux = EM28XX_AMUX_LINE_IN, + .gpio = terratec_av350_unmute_gpio, + + }, { + .type = EM28XX_VMUX_SVIDEO, + .vmux = TVP5150_SVIDEO, + .amux = EM28XX_AMUX_LINE_IN, + .gpio = terratec_av350_unmute_gpio, + } }, + }, + + [EM2860_BOARD_ELGATO_VIDEO_CAPTURE] = { + .name = "Elgato Video Capture", + .decoder = EM28XX_SAA711X, + .tuner_type = TUNER_ABSENT, /* Capture only device */ + .input = { { + .type = EM28XX_VMUX_COMPOSITE, + .vmux = SAA7115_COMPOSITE0, + .amux = EM28XX_AMUX_LINE_IN, + }, { + .type = EM28XX_VMUX_SVIDEO, + .vmux = SAA7115_SVIDEO3, + .amux = EM28XX_AMUX_LINE_IN, + } }, + }, + + [EM2882_BOARD_EVGA_INDTUBE] = { + .name = "Evga inDtube", + .tuner_type = TUNER_XC2028, + .tuner_gpio = default_tuner_gpio, + .decoder = EM28XX_TVP5150, + .xclk = EM28XX_XCLK_FREQUENCY_12MHZ, /* NEC IR */ + .mts_firmware = 1, + .has_dvb = 1, + .dvb_gpio = evga_indtube_digital, + .ir_codes = RC_MAP_EVGA_INDTUBE, + .input = { { + .type = EM28XX_VMUX_TELEVISION, + .vmux = TVP5150_COMPOSITE0, + .amux = EM28XX_AMUX_VIDEO, + .gpio = evga_indtube_analog, + }, { + .type = EM28XX_VMUX_COMPOSITE, + .vmux = TVP5150_COMPOSITE1, + .amux = EM28XX_AMUX_LINE_IN, + .gpio = evga_indtube_analog, + }, { + .type = EM28XX_VMUX_SVIDEO, + .vmux = TVP5150_SVIDEO, + .amux = EM28XX_AMUX_LINE_IN, + .gpio = evga_indtube_analog, + } }, + }, + /* + * eb1a:2868 Empia EM2870 + Philips CU1216L NIM + * (Philips TDA10023 + Infineon TUA6034) + */ + [EM2870_BOARD_REDDO_DVB_C_USB_BOX] = { + .name = "Reddo DVB-C USB TV Box", + .tuner_type = TUNER_ABSENT, + .tuner_gpio = reddo_dvb_c_usb_box, + .has_dvb = 1, + }, + /* + * 1b80:a340 - Empia EM2870, NXP TDA18271HD and LG DT3304, sold + * initially as the KWorld PlusTV 340U, then as the UB435-Q. + * Early variants have a TDA18271HD/C1, later ones a TDA18271HD/C2 + */ + [EM2870_BOARD_KWORLD_A340] = { + .name = "KWorld PlusTV 340U or UB435-Q (ATSC)", + .tuner_type = TUNER_ABSENT, /* Digital-only TDA18271HD */ + .has_dvb = 1, + .dvb_gpio = kworld_a340_digital, + .tuner_gpio = default_tuner_gpio, + }, + /* + * 2013:024f PCTV nanoStick T2 290e. + * Empia EM28174, Sony CXD2820R and NXP TDA18271HD/C2 + */ + [EM28174_BOARD_PCTV_290E] = { + .name = "PCTV nanoStick T2 290e", + .def_i2c_bus = 1, + .i2c_speed = EM28XX_I2C_CLK_WAIT_ENABLE | + EM28XX_I2C_FREQ_100_KHZ, + .tuner_type = TUNER_ABSENT, + .tuner_gpio = pctv_290e, + .has_dvb = 1, + .ir_codes = RC_MAP_PINNACLE_PCTV_HD, + }, + /* + * 2013:024f PCTV DVB-S2 Stick 460e + * Empia EM28174, NXP TDA10071, Conexant CX24118A and Allegro A8293 + */ + [EM28174_BOARD_PCTV_460E] = { + .def_i2c_bus = 1, + .i2c_speed = EM28XX_I2C_CLK_WAIT_ENABLE | + EM28XX_I2C_FREQ_400_KHZ, + .name = "PCTV DVB-S2 Stick (460e)", + .tuner_type = TUNER_ABSENT, + .tuner_gpio = pctv_460e, + .has_dvb = 1, + .ir_codes = RC_MAP_PINNACLE_PCTV_HD, + }, + /* + * eb1a:5006 Honestech VIDBOX NW03 + * Empia EM2860, Philips SAA7113, Empia EMP202, No Tuner + */ + [EM2860_BOARD_HT_VIDBOX_NW03] = { + .name = "Honestech Vidbox NW03", + .tuner_type = TUNER_ABSENT, + .decoder = EM28XX_SAA711X, + .input = { { + .type = EM28XX_VMUX_COMPOSITE, + .vmux = SAA7115_COMPOSITE0, + .amux = EM28XX_AMUX_LINE_IN, + }, { + .type = EM28XX_VMUX_SVIDEO, + .vmux = SAA7115_SVIDEO3, /* S-VIDEO needs check */ + .amux = EM28XX_AMUX_LINE_IN, + } }, + }, + /* + * 1b80:e425 MaxMedia UB425-TC + * Empia EM2874B + Micronas DRX 3913KA2 + NXP TDA18271HDC2 + */ + [EM2874_BOARD_MAXMEDIA_UB425_TC] = { + .name = "MaxMedia UB425-TC", + .tuner_type = TUNER_ABSENT, + .tuner_gpio = maxmedia_ub425_tc, + .has_dvb = 1, + .ir_codes = RC_MAP_REDDO, + .def_i2c_bus = 1, + .i2c_speed = EM28XX_I2C_CLK_WAIT_ENABLE | + EM28XX_I2C_FREQ_400_KHZ, + }, + /* + * 2304:0242 PCTV QuatroStick (510e) + * Empia EM2884 + Micronas DRX 3926K + NXP TDA18271HDC2 + */ + [EM2884_BOARD_PCTV_510E] = { + .name = "PCTV QuatroStick (510e)", + .tuner_type = TUNER_ABSENT, + .tuner_gpio = pctv_510e, + .has_dvb = 1, + .ir_codes = RC_MAP_PINNACLE_PCTV_HD, + .def_i2c_bus = 1, + .i2c_speed = EM28XX_I2C_CLK_WAIT_ENABLE | + EM28XX_I2C_FREQ_400_KHZ, + }, + /* + * 2013:0251 PCTV QuatroStick nano (520e) + * Empia EM2884 + Micronas DRX 3926K + NXP TDA18271HDC2 + */ + [EM2884_BOARD_PCTV_520E] = { + .name = "PCTV QuatroStick nano (520e)", + .tuner_type = TUNER_ABSENT, + .tuner_gpio = pctv_520e, + .has_dvb = 1, + .ir_codes = RC_MAP_PINNACLE_PCTV_HD, + .def_i2c_bus = 1, + .i2c_speed = EM28XX_I2C_CLK_WAIT_ENABLE | + EM28XX_I2C_FREQ_400_KHZ, + }, + [EM2884_BOARD_TERRATEC_HTC_USB_XS] = { + .name = "Terratec Cinergy HTC USB XS", + .has_dvb = 1, + .ir_codes = RC_MAP_NEC_TERRATEC_CINERGY_XS, + .tuner_type = TUNER_ABSENT, + .def_i2c_bus = 1, + .i2c_speed = EM28XX_I2C_CLK_WAIT_ENABLE | + EM28XX_I2C_FREQ_400_KHZ, + }, + /* + * 1b80:e1cc Delock 61959 + * Empia EM2874B + Micronas DRX 3913KA2 + NXP TDA18271HDC2 + * mostly the same as MaxMedia UB-425-TC but different remote + */ + [EM2874_BOARD_DELOCK_61959] = { + .name = "Delock 61959", + .tuner_type = TUNER_ABSENT, + .tuner_gpio = maxmedia_ub425_tc, + .has_dvb = 1, + .ir_codes = RC_MAP_DELOCK_61959, + .def_i2c_bus = 1, + .i2c_speed = EM28XX_I2C_CLK_WAIT_ENABLE | + EM28XX_I2C_FREQ_400_KHZ, + }, + /* + * 1b80:e346 KWorld USB ATSC TV Stick UB435-Q V2 + * Empia EM2874B + LG DT3305 + NXP TDA18271HDC2 + */ + [EM2874_BOARD_KWORLD_UB435Q_V2] = { + .name = "KWorld USB ATSC TV Stick UB435-Q V2", + .tuner_type = TUNER_ABSENT, + .has_dvb = 1, + .dvb_gpio = kworld_a340_digital, + .tuner_gpio = default_tuner_gpio, + .def_i2c_bus = 1, + }, + /* + * 1b80:e34c KWorld USB ATSC TV Stick UB435-Q V3 + * Empia EM2874B + LG DT3305 + NXP TDA18271HDC2 + */ + [EM2874_BOARD_KWORLD_UB435Q_V3] = { + .name = "KWorld USB ATSC TV Stick UB435-Q V3", + .tuner_type = TUNER_ABSENT, + .has_dvb = 1, + .tuner_gpio = kworld_ub435q_v3_digital, + .def_i2c_bus = 1, + .i2c_speed = EM28XX_I2C_CLK_WAIT_ENABLE | + EM28XX_I2C_FREQ_100_KHZ, + .leds = kworld_ub435q_v3_leds, + }, + [EM2874_BOARD_PCTV_HD_MINI_80E] = { + .name = "Pinnacle PCTV HD Mini", + .tuner_type = TUNER_ABSENT, + .has_dvb = 1, + .dvb_gpio = em2874_pctv_80e_digital, + .decoder = EM28XX_NODECODER, + .ir_codes = RC_MAP_PINNACLE_PCTV_HD, + .leds = pctv_80e_leds, + }, + /* + * 1ae7:9003/9004 SpeedLink Vicious And Devine Laplace webcam + * Empia EM2765 + OmniVision OV2640 + */ + [EM2765_BOARD_SPEEDLINK_VAD_LAPLACE] = { + .name = "SpeedLink Vicious And Devine Laplace webcam", + .xclk = EM28XX_XCLK_FREQUENCY_24MHZ, + .i2c_speed = EM28XX_I2C_CLK_WAIT_ENABLE | + EM28XX_I2C_FREQ_100_KHZ, + .def_i2c_bus = 1, + .tuner_type = TUNER_ABSENT, + .is_webcam = 1, + .input = { { + .type = EM28XX_VMUX_COMPOSITE, + .amux = EM28XX_AMUX_VIDEO, + .gpio = speedlink_vad_laplace_reg_seq, + } }, + .buttons = speedlink_vad_laplace_buttons, + .leds = speedlink_vad_laplace_leds, + }, + /* + * 2013:0258 PCTV DVB-S2 Stick (461e) + * Empia EM28178, Montage M88DS3103, Montage M88TS2022, Allegro A8293 + */ + [EM28178_BOARD_PCTV_461E] = { + .def_i2c_bus = 1, + .i2c_speed = EM28XX_I2C_CLK_WAIT_ENABLE | + EM28XX_I2C_FREQ_400_KHZ, + .name = "PCTV DVB-S2 Stick (461e)", + .tuner_type = TUNER_ABSENT, + .tuner_gpio = pctv_461e, + .has_dvb = 1, + .ir_codes = RC_MAP_PINNACLE_PCTV_HD, + }, + /* + * 2013:025f PCTV tripleStick (292e). + * Empia EM28178, Silicon Labs Si2168, Silicon Labs Si2157 + */ + [EM28178_BOARD_PCTV_292E] = { + .name = "PCTV tripleStick (292e)", + .def_i2c_bus = 1, + .i2c_speed = EM28XX_I2C_CLK_WAIT_ENABLE | + EM28XX_I2C_FREQ_400_KHZ, + .tuner_type = TUNER_ABSENT, + .tuner_gpio = pctv_292e, + .has_dvb = 1, + .ir_codes = RC_MAP_PINNACLE_PCTV_HD, + }, + [EM2861_BOARD_LEADTEK_VC100] = { + .name = "Leadtek VC100", + .tuner_type = TUNER_ABSENT, /* Capture only device */ + .decoder = EM28XX_TVP5150, + .input = { { + .type = EM28XX_VMUX_COMPOSITE, + .vmux = TVP5150_COMPOSITE1, + .amux = EM28XX_AMUX_LINE_IN, + }, { + .type = EM28XX_VMUX_SVIDEO, + .vmux = TVP5150_SVIDEO, + .amux = EM28XX_AMUX_LINE_IN, + } }, + }, + /* + * eb1a:8179 Terratec Cinergy T2 Stick HD. + * Empia EM28178, Silicon Labs Si2168, Silicon Labs Si2146 + */ + [EM28178_BOARD_TERRATEC_T2_STICK_HD] = { + .name = "Terratec Cinergy T2 Stick HD", + .def_i2c_bus = 1, + .i2c_speed = EM28XX_I2C_CLK_WAIT_ENABLE | + EM28XX_I2C_FREQ_400_KHZ, + .tuner_type = TUNER_ABSENT, + .tuner_gpio = terratec_t2_stick_hd, + .has_dvb = 1, + .ir_codes = RC_MAP_TERRATEC_SLIM_2, + }, + + /* + * 3275:0085 PLEX PX-BCUD. + * Empia EM28178, TOSHIBA TC90532XBG, Sharp QM1D1C0042 + */ + [EM28178_BOARD_PLEX_PX_BCUD] = { + .name = "PLEX PX-BCUD", + .xclk = EM28XX_XCLK_FREQUENCY_4_3MHZ, + .def_i2c_bus = 1, + .i2c_speed = EM28XX_I2C_CLK_WAIT_ENABLE, + .tuner_type = TUNER_ABSENT, + .tuner_gpio = plex_px_bcud, + .has_dvb = 1, + }, + /* + * 2040:0265 Hauppauge WinTV-dualHD (DVB version) Isoc. + * 2040:8265 Hauppauge WinTV-dualHD (DVB version) Bulk. + * Empia EM28274, 2x Silicon Labs Si2168, 2x Silicon Labs Si2157 + */ + [EM28174_BOARD_HAUPPAUGE_WINTV_DUALHD_DVB] = { + .name = "Hauppauge WinTV-dualHD DVB", + .def_i2c_bus = 1, + .i2c_speed = EM28XX_I2C_CLK_WAIT_ENABLE | + EM28XX_I2C_FREQ_400_KHZ, + .tuner_type = TUNER_ABSENT, + .tuner_gpio = hauppauge_dualhd_dvb, + .has_dvb = 1, + .has_dual_ts = 1, + .ir_codes = RC_MAP_HAUPPAUGE, + .leds = hauppauge_dualhd_leds, + }, + /* + * 2040:026d Hauppauge WinTV-dualHD (model 01595 - ATSC/QAM) Isoc. + * 2040:826d Hauppauge WinTV-dualHD (model 01595 - ATSC/QAM) Bulk. + * Empia EM28274, 2x LG LGDT3306A, 2x Silicon Labs Si2157 + */ + [EM28174_BOARD_HAUPPAUGE_WINTV_DUALHD_01595] = { + .name = "Hauppauge WinTV-dualHD 01595 ATSC/QAM", + .def_i2c_bus = 1, + .i2c_speed = EM28XX_I2C_CLK_WAIT_ENABLE | + EM28XX_I2C_FREQ_400_KHZ, + .tuner_type = TUNER_ABSENT, + .tuner_gpio = hauppauge_dualhd_dvb, + .has_dvb = 1, + .has_dual_ts = 1, + .ir_codes = RC_MAP_HAUPPAUGE, + .leds = hauppauge_dualhd_leds, + }, +}; +EXPORT_SYMBOL_GPL(em28xx_boards); + +static const unsigned int em28xx_bcount = ARRAY_SIZE(em28xx_boards); + +/* table of devices that work with this driver */ +struct usb_device_id em28xx_id_table[] = { + { USB_DEVICE(0xeb1a, 0x2750), + .driver_info = EM2750_BOARD_UNKNOWN }, + { USB_DEVICE(0xeb1a, 0x2751), + .driver_info = EM2750_BOARD_UNKNOWN }, + { USB_DEVICE(0xeb1a, 0x2800), + .driver_info = EM2800_BOARD_UNKNOWN }, + { USB_DEVICE(0xeb1a, 0x2710), + .driver_info = EM2820_BOARD_UNKNOWN }, + { USB_DEVICE(0xeb1a, 0x2820), + .driver_info = EM2820_BOARD_UNKNOWN }, + { USB_DEVICE(0xeb1a, 0x2821), + .driver_info = EM2820_BOARD_UNKNOWN }, + { USB_DEVICE(0xeb1a, 0x2860), + .driver_info = EM2820_BOARD_UNKNOWN }, + { USB_DEVICE(0xeb1a, 0x2861), + .driver_info = EM2820_BOARD_UNKNOWN }, + { USB_DEVICE(0xeb1a, 0x2862), + .driver_info = EM2820_BOARD_UNKNOWN }, + { USB_DEVICE(0xeb1a, 0x2863), + .driver_info = EM2820_BOARD_UNKNOWN }, + { USB_DEVICE(0xeb1a, 0x2870), + .driver_info = EM2820_BOARD_UNKNOWN }, + { USB_DEVICE(0xeb1a, 0x2881), + .driver_info = EM2820_BOARD_UNKNOWN }, + { USB_DEVICE(0xeb1a, 0x2883), /* used by :Zolid Hybrid Tv Stick */ + .driver_info = EM2820_BOARD_UNKNOWN }, + { USB_DEVICE(0xeb1a, 0x2868), + .driver_info = EM2820_BOARD_UNKNOWN }, + { USB_DEVICE(0xeb1a, 0x2875), + .driver_info = EM2820_BOARD_UNKNOWN }, + { USB_DEVICE(0xeb1a, 0x2885), /* MSI Digivox Trio */ + .driver_info = EM2884_BOARD_TERRATEC_H5 }, + { USB_DEVICE(0xeb1a, 0xe300), + .driver_info = EM2861_BOARD_KWORLD_PVRTV_300U }, + { USB_DEVICE(0xeb1a, 0xe303), + .driver_info = EM2860_BOARD_KAIOMY_TVNPC_U2 }, + { USB_DEVICE(0xeb1a, 0xe305), + .driver_info = EM2880_BOARD_KWORLD_DVB_305U }, + { USB_DEVICE(0xeb1a, 0xe310), + .driver_info = EM2880_BOARD_MSI_DIGIVOX_AD }, + { USB_DEVICE(0xeb1a, 0xa313), + .driver_info = EM2882_BOARD_KWORLD_ATSC_315U }, + { USB_DEVICE(0xeb1a, 0xa316), + .driver_info = EM2883_BOARD_KWORLD_HYBRID_330U }, + { USB_DEVICE(0xeb1a, 0xe320), + .driver_info = EM2880_BOARD_MSI_DIGIVOX_AD_II }, + { USB_DEVICE(0xeb1a, 0xe323), + .driver_info = EM2882_BOARD_KWORLD_VS_DVBT }, + { USB_DEVICE(0xeb1a, 0xe350), + .driver_info = EM2870_BOARD_KWORLD_350U }, + { USB_DEVICE(0xeb1a, 0xe355), + .driver_info = EM2870_BOARD_KWORLD_355U }, + { USB_DEVICE(0xeb1a, 0x2801), + .driver_info = EM2800_BOARD_GRABBEEX_USB2800 }, + { USB_DEVICE(0xeb1a, 0xe357), + .driver_info = EM2870_BOARD_KWORLD_355U }, + { USB_DEVICE(0xeb1a, 0xe359), + .driver_info = EM2870_BOARD_KWORLD_355U }, + { USB_DEVICE(0x1b80, 0xe302), /* Kaiser Baas Video to DVD maker */ + .driver_info = EM2820_BOARD_PINNACLE_DVC_90 }, + { USB_DEVICE(0x1b80, 0xe304), /* Kworld DVD Maker 2 */ + .driver_info = EM2820_BOARD_PINNACLE_DVC_90 }, + { USB_DEVICE(0x0ccd, 0x0036), + .driver_info = EM2820_BOARD_TERRATEC_CINERGY_250 }, + { USB_DEVICE(0x0ccd, 0x004c), + .driver_info = EM2880_BOARD_TERRATEC_HYBRID_XS_FR }, + { USB_DEVICE(0x0ccd, 0x004f), + .driver_info = EM2860_BOARD_TERRATEC_HYBRID_XS }, + { USB_DEVICE(0x0ccd, 0x005e), + .driver_info = EM2882_BOARD_TERRATEC_HYBRID_XS }, + { USB_DEVICE(0x0ccd, 0x0042), + .driver_info = EM2882_BOARD_TERRATEC_HYBRID_XS }, + { USB_DEVICE(0x0ccd, 0x0043), + .driver_info = EM2870_BOARD_TERRATEC_XS_MT2060 }, + { USB_DEVICE(0x0ccd, 0x008e), /* Cinergy HTC USB XS Rev. 1 */ + .driver_info = EM2884_BOARD_TERRATEC_HTC_USB_XS }, + { USB_DEVICE(0x0ccd, 0x00ac), /* Cinergy HTC USB XS Rev. 2 */ + .driver_info = EM2884_BOARD_TERRATEC_HTC_USB_XS }, + { USB_DEVICE(0x0ccd, 0x10a2), /* H5 Rev. 1 */ + .driver_info = EM2884_BOARD_TERRATEC_H5 }, + { USB_DEVICE(0x0ccd, 0x10ad), /* H5 Rev. 2 */ + .driver_info = EM2884_BOARD_TERRATEC_H5 }, + { USB_DEVICE(0x0ccd, 0x10b6), /* H5 Rev. 3 */ + .driver_info = EM2884_BOARD_TERRATEC_H5 }, + { USB_DEVICE(0x0ccd, 0x10b2), /* H6 */ + .driver_info = EM2884_BOARD_TERRATEC_H6 }, + { USB_DEVICE(0x0ccd, 0x0084), + .driver_info = EM2860_BOARD_TERRATEC_AV350 }, + { USB_DEVICE(0x0ccd, 0x0096), + .driver_info = EM2860_BOARD_TERRATEC_GRABBY }, + { USB_DEVICE(0x0ccd, 0x10AF), + .driver_info = EM2860_BOARD_TERRATEC_GRABBY }, + { USB_DEVICE(0x0ccd, 0x00b2), + .driver_info = EM2884_BOARD_CINERGY_HTC_STICK }, + { USB_DEVICE(0x0fd9, 0x0018), + .driver_info = EM2884_BOARD_ELGATO_EYETV_HYBRID_2008 }, + { USB_DEVICE(0x0fd9, 0x0033), + .driver_info = EM2860_BOARD_ELGATO_VIDEO_CAPTURE }, + { USB_DEVICE(0x185b, 0x2870), + .driver_info = EM2870_BOARD_COMPRO_VIDEOMATE }, + { USB_DEVICE(0x185b, 0x2041), + .driver_info = EM2820_BOARD_COMPRO_VIDEOMATE_FORYOU }, + { USB_DEVICE(0x2040, 0x4200), + .driver_info = EM2820_BOARD_HAUPPAUGE_WINTV_USB_2 }, + { USB_DEVICE(0x2040, 0x4201), + .driver_info = EM2820_BOARD_HAUPPAUGE_WINTV_USB_2 }, + { USB_DEVICE(0x2040, 0x6500), + .driver_info = EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900 }, + { USB_DEVICE(0x2040, 0x6502), + .driver_info = EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900_R2 }, + { USB_DEVICE(0x2040, 0x6513), /* HCW HVR-980 */ + .driver_info = EM2883_BOARD_HAUPPAUGE_WINTV_HVR_950 }, + { USB_DEVICE(0x2040, 0x6517), /* HP HVR-950 */ + .driver_info = EM2883_BOARD_HAUPPAUGE_WINTV_HVR_950 }, + { USB_DEVICE(0x2040, 0x651b), /* RP HVR-950 */ + .driver_info = EM2883_BOARD_HAUPPAUGE_WINTV_HVR_950 }, + { USB_DEVICE(0x2040, 0x651f), + .driver_info = EM2883_BOARD_HAUPPAUGE_WINTV_HVR_850 }, + { USB_DEVICE(0x2040, 0x0265), + .driver_info = EM28174_BOARD_HAUPPAUGE_WINTV_DUALHD_DVB }, + { USB_DEVICE(0x2040, 0x8265), + .driver_info = EM28174_BOARD_HAUPPAUGE_WINTV_DUALHD_DVB }, + { USB_DEVICE(0x2040, 0x026d), + .driver_info = EM28174_BOARD_HAUPPAUGE_WINTV_DUALHD_01595 }, + { USB_DEVICE(0x2040, 0x826d), + .driver_info = EM28174_BOARD_HAUPPAUGE_WINTV_DUALHD_01595 }, + { USB_DEVICE(0x0438, 0xb002), + .driver_info = EM2880_BOARD_AMD_ATI_TV_WONDER_HD_600 }, + { USB_DEVICE(0x2001, 0xf112), + .driver_info = EM2820_BOARD_DLINK_USB_TV }, + { USB_DEVICE(0x2304, 0x0207), + .driver_info = EM2820_BOARD_PINNACLE_DVC_90 }, + { USB_DEVICE(0x2304, 0x0208), + .driver_info = EM2820_BOARD_PINNACLE_USB_2 }, + { USB_DEVICE(0x2304, 0x021a), + .driver_info = EM2820_BOARD_PINNACLE_DVC_90 }, + { USB_DEVICE(0x2304, 0x0226), + .driver_info = EM2882_BOARD_PINNACLE_HYBRID_PRO_330E }, + { USB_DEVICE(0x2304, 0x0227), + .driver_info = EM2880_BOARD_PINNACLE_PCTV_HD_PRO }, + { USB_DEVICE(0x2304, 0x023f), + .driver_info = EM2874_BOARD_PCTV_HD_MINI_80E }, + { USB_DEVICE(0x0413, 0x6023), + .driver_info = EM2800_BOARD_LEADTEK_WINFAST_USBII }, + { USB_DEVICE(0x093b, 0xa003), + .driver_info = EM2820_BOARD_PINNACLE_DVC_90 }, + { USB_DEVICE(0x093b, 0xa005), + .driver_info = EM2861_BOARD_PLEXTOR_PX_TV100U }, + { USB_DEVICE(0x04bb, 0x0515), + .driver_info = EM2820_BOARD_IODATA_GVMVP_SZ }, + { USB_DEVICE(0xeb1a, 0x50a6), + .driver_info = EM2860_BOARD_GADMEI_UTV330 }, + { USB_DEVICE(0x1b80, 0xa340), + .driver_info = EM2870_BOARD_KWORLD_A340 }, + { USB_DEVICE(0x1b80, 0xe346), + .driver_info = EM2874_BOARD_KWORLD_UB435Q_V2 }, + { USB_DEVICE(0x1b80, 0xe34c), + .driver_info = EM2874_BOARD_KWORLD_UB435Q_V3 }, + { USB_DEVICE(0x2013, 0x024f), + .driver_info = EM28174_BOARD_PCTV_290E }, + { USB_DEVICE(0x2013, 0x024c), + .driver_info = EM28174_BOARD_PCTV_460E }, + { USB_DEVICE(0x2040, 0x1605), + .driver_info = EM2884_BOARD_HAUPPAUGE_WINTV_HVR_930C }, + { USB_DEVICE(0x1b80, 0xe755), + .driver_info = EM2884_BOARD_C3TECH_DIGITAL_DUO }, + { USB_DEVICE(0xeb1a, 0x5006), + .driver_info = EM2860_BOARD_HT_VIDBOX_NW03 }, + { USB_DEVICE(0x1b80, 0xe309), /* Sveon STV40 */ + .driver_info = EM2860_BOARD_EASYCAP }, + { USB_DEVICE(0x1b80, 0xe425), + .driver_info = EM2874_BOARD_MAXMEDIA_UB425_TC }, + { USB_DEVICE(0x2304, 0x0242), + .driver_info = EM2884_BOARD_PCTV_510E }, + { USB_DEVICE(0x2013, 0x0251), + .driver_info = EM2884_BOARD_PCTV_520E }, + { USB_DEVICE(0x1b80, 0xe1cc), + .driver_info = EM2874_BOARD_DELOCK_61959 }, + { USB_DEVICE(0x1ae7, 0x9003), + .driver_info = EM2765_BOARD_SPEEDLINK_VAD_LAPLACE }, + { USB_DEVICE(0x1ae7, 0x9004), + .driver_info = EM2765_BOARD_SPEEDLINK_VAD_LAPLACE }, + { USB_DEVICE(0x2013, 0x0258), + .driver_info = EM28178_BOARD_PCTV_461E }, + { USB_DEVICE(0x2013, 0x025f), + .driver_info = EM28178_BOARD_PCTV_292E }, + { USB_DEVICE(0x2013, 0x0264), /* Hauppauge WinTV-soloHD 292e SE */ + .driver_info = EM28178_BOARD_PCTV_292E }, + { USB_DEVICE(0x2040, 0x0264), /* Hauppauge WinTV-soloHD Isoc */ + .driver_info = EM28178_BOARD_PCTV_292E }, + { USB_DEVICE(0x2040, 0x8264), /* Hauppauge OEM Generic WinTV-soloHD Bulk */ + .driver_info = EM28178_BOARD_PCTV_292E }, + { USB_DEVICE(0x2040, 0x8268), /* Hauppauge Retail WinTV-soloHD Bulk */ + .driver_info = EM28178_BOARD_PCTV_292E }, + { USB_DEVICE(0x0413, 0x6f07), + .driver_info = EM2861_BOARD_LEADTEK_VC100 }, + { USB_DEVICE(0xeb1a, 0x8179), + .driver_info = EM28178_BOARD_TERRATEC_T2_STICK_HD }, + { USB_DEVICE(0x3275, 0x0085), + .driver_info = EM28178_BOARD_PLEX_PX_BCUD }, + { USB_DEVICE(0xeb1a, 0x5051), /* Ion Video 2 PC MKII / Startech svid2usb23 / Raygo R12-41373 */ + .driver_info = EM2860_BOARD_TVP5150_REFERENCE_DESIGN }, + { }, +}; +MODULE_DEVICE_TABLE(usb, em28xx_id_table); + +/* + * EEPROM hash table for devices with generic USB IDs + */ +static const struct em28xx_hash_table em28xx_eeprom_hash[] = { + /* P/N: SA 60002070465 Tuner: TVF7533-MF */ + {0x6ce05a8f, EM2820_BOARD_PROLINK_PLAYTV_USB2, TUNER_YMEC_TVF_5533MF}, + {0x72cc5a8b, EM2820_BOARD_PROLINK_PLAYTV_BOX4_USB2, TUNER_YMEC_TVF_5533MF}, + {0x966a0441, EM2880_BOARD_KWORLD_DVB_310U, TUNER_XC2028}, + {0x166a0441, EM2880_BOARD_EMPIRE_DUAL_TV, TUNER_XC2028}, + {0xcee44a99, EM2882_BOARD_EVGA_INDTUBE, TUNER_XC2028}, + {0xb8846b20, EM2881_BOARD_PINNACLE_HYBRID_PRO, TUNER_XC2028}, + {0x63f653bd, EM2870_BOARD_REDDO_DVB_C_USB_BOX, TUNER_ABSENT}, + {0x4e913442, EM2882_BOARD_DIKOM_DK300, TUNER_XC2028}, + {0x85dd871e, EM2882_BOARD_ZOLID_HYBRID_TV_STICK, TUNER_XC2028}, +}; + +/* I2C devicelist hash table for devices with generic USB IDs */ +static const struct em28xx_hash_table em28xx_i2c_hash[] = { + {0xb06a32c3, EM2800_BOARD_TERRATEC_CINERGY_200, TUNER_LG_PAL_NEW_TAPC}, + {0xf51200e3, EM2800_BOARD_VGEAR_POCKETTV, TUNER_LG_PAL_NEW_TAPC}, + {0x1ba50080, EM2860_BOARD_SAA711X_REFERENCE_DESIGN, TUNER_ABSENT}, + {0x77800080, EM2860_BOARD_TVP5150_REFERENCE_DESIGN, TUNER_ABSENT}, + {0xc51200e3, EM2820_BOARD_GADMEI_TVR200, TUNER_LG_PAL_NEW_TAPC}, + {0x4ba50080, EM2861_BOARD_GADMEI_UTV330PLUS, TUNER_TNF_5335MF}, + {0x6b800080, EM2874_BOARD_LEADERSHIP_ISDBT, TUNER_ABSENT}, + {0x27e10080, EM2882_BOARD_ZOLID_HYBRID_TV_STICK, TUNER_XC2028}, +}; + +/* NOTE: introduce a separate hash table for devices with 16 bit eeproms */ + +int em28xx_tuner_callback(void *ptr, int component, int command, int arg) +{ + struct em28xx_i2c_bus *i2c_bus = ptr; + struct em28xx *dev = i2c_bus->dev; + int rc = 0; + + if (dev->tuner_type != TUNER_XC2028 && dev->tuner_type != TUNER_XC5000) + return 0; + + if (command != XC2028_TUNER_RESET && command != XC5000_TUNER_RESET) + return 0; + + rc = em28xx_gpio_set(dev, dev->board.tuner_gpio); + + return rc; +} +EXPORT_SYMBOL_GPL(em28xx_tuner_callback); + +static inline void em28xx_set_xclk_i2c_speed(struct em28xx *dev) +{ + const struct em28xx_board *board = &em28xx_boards[dev->model]; + u8 xclk = board->xclk, i2c_speed = board->i2c_speed; + + /* + * Those are the default values for the majority of boards + * Use those values if not specified otherwise at boards entry + */ + if (!xclk) + xclk = EM28XX_XCLK_IR_RC5_MODE | + EM28XX_XCLK_FREQUENCY_12MHZ; + + em28xx_write_reg(dev, EM28XX_R0F_XCLK, xclk); + + if (!i2c_speed) + i2c_speed = EM28XX_I2C_CLK_WAIT_ENABLE | + EM28XX_I2C_FREQ_100_KHZ; + + dev->i2c_speed = i2c_speed & 0x03; + + if (!dev->board.is_em2800) + em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, i2c_speed); + msleep(50); +} + +static inline void em28xx_set_model(struct em28xx *dev) +{ + dev->board = em28xx_boards[dev->model]; + dev->has_msp34xx = dev->board.has_msp34xx; + dev->is_webcam = dev->board.is_webcam; + + em28xx_set_xclk_i2c_speed(dev); + + /* Should be initialized early, for I2C to work */ + dev->def_i2c_bus = dev->board.def_i2c_bus; +} + +/* + * Wait until AC97_RESET reports the expected value reliably before proceeding. + * We also check that two unrelated registers accesses don't return the same + * value to avoid premature return. + * This procedure helps ensuring AC97 register accesses are reliable. + */ +static int em28xx_wait_until_ac97_features_equals(struct em28xx *dev, + int expected_feat) +{ + unsigned long timeout = jiffies + msecs_to_jiffies(2000); + int feat, powerdown; + + while (time_is_after_jiffies(timeout)) { + feat = em28xx_read_ac97(dev, AC97_RESET); + if (feat < 0) + return feat; + + powerdown = em28xx_read_ac97(dev, AC97_POWERDOWN); + if (powerdown < 0) + return powerdown; + + if (feat == expected_feat && feat != powerdown) + return 0; + + msleep(50); + } + + dev_warn(&dev->intf->dev, "AC97 registers access is not reliable !\n"); + return -ETIMEDOUT; +} + +/* + * Since em28xx_pre_card_setup() requires a proper dev->model, + * this won't work for boards with generic PCI IDs + */ +static void em28xx_pre_card_setup(struct em28xx *dev) +{ + /* + * Set the initial XCLK and I2C clock values based on the board + * definition + */ + em28xx_set_xclk_i2c_speed(dev); + + /* request some modules */ + switch (dev->model) { + case EM2861_BOARD_PLEXTOR_PX_TV100U: + /* Sets the msp34xx I2S speed */ + dev->i2s_speed = 2048000; + break; + case EM2861_BOARD_KWORLD_PVRTV_300U: + case EM2880_BOARD_KWORLD_DVB_305U: + em28xx_write_reg(dev, EM2820_R08_GPIO_CTRL, 0x6d); + usleep_range(10000, 11000); + em28xx_write_reg(dev, EM2820_R08_GPIO_CTRL, 0x7d); + usleep_range(10000, 11000); + break; + case EM2870_BOARD_COMPRO_VIDEOMATE: + /* + * TODO: someone can do some cleanup here... + * not everything's needed + */ + em28xx_write_reg(dev, EM2880_R04_GPO, 0x00); + usleep_range(10000, 11000); + em28xx_write_reg(dev, EM2880_R04_GPO, 0x01); + usleep_range(10000, 11000); + em28xx_write_reg(dev, EM2820_R08_GPIO_CTRL, 0xfd); + msleep(70); + em28xx_write_reg(dev, EM2820_R08_GPIO_CTRL, 0xfc); + msleep(70); + em28xx_write_reg(dev, EM2820_R08_GPIO_CTRL, 0xdc); + msleep(70); + em28xx_write_reg(dev, EM2820_R08_GPIO_CTRL, 0xfc); + msleep(70); + break; + case EM2870_BOARD_TERRATEC_XS_MT2060: + /* + * this device needs some gpio writes to get the DVB-T + * demod work + */ + em28xx_write_reg(dev, EM2820_R08_GPIO_CTRL, 0xfe); + msleep(70); + em28xx_write_reg(dev, EM2820_R08_GPIO_CTRL, 0xde); + msleep(70); + em28xx_write_reg(dev, EM2820_R08_GPIO_CTRL, 0xfe); + msleep(70); + break; + case EM2870_BOARD_PINNACLE_PCTV_DVB: + /* + * this device needs some gpio writes to get the + * DVB-T demod work + */ + em28xx_write_reg(dev, EM2820_R08_GPIO_CTRL, 0xfe); + msleep(70); + em28xx_write_reg(dev, EM2820_R08_GPIO_CTRL, 0xde); + msleep(70); + em28xx_write_reg(dev, EM2820_R08_GPIO_CTRL, 0xfe); + msleep(70); + break; + case EM2820_BOARD_GADMEI_UTV310: + case EM2820_BOARD_MSI_VOX_USB_2: + /* enables audio for that devices */ + em28xx_write_reg(dev, EM2820_R08_GPIO_CTRL, 0xfd); + break; + + case EM2882_BOARD_KWORLD_ATSC_315U: + em28xx_write_reg(dev, EM2820_R08_GPIO_CTRL, 0xff); + usleep_range(10000, 11000); + em28xx_write_reg(dev, EM2820_R08_GPIO_CTRL, 0xfe); + usleep_range(10000, 11000); + em28xx_write_reg(dev, EM2880_R04_GPO, 0x00); + usleep_range(10000, 11000); + em28xx_write_reg(dev, EM2880_R04_GPO, 0x08); + usleep_range(10000, 11000); + break; + + case EM2860_BOARD_KAIOMY_TVNPC_U2: + em28xx_write_regs(dev, EM28XX_R0F_XCLK, "\x07", 1); + em28xx_write_regs(dev, EM28XX_R06_I2C_CLK, "\x40", 1); + em28xx_write_regs(dev, 0x0d, "\x42", 1); + em28xx_write_regs(dev, 0x08, "\xfd", 1); + usleep_range(10000, 11000); + em28xx_write_regs(dev, 0x08, "\xff", 1); + usleep_range(10000, 11000); + em28xx_write_regs(dev, 0x08, "\x7f", 1); + usleep_range(10000, 11000); + em28xx_write_regs(dev, 0x08, "\x6b", 1); + + break; + case EM2860_BOARD_EASYCAP: + em28xx_write_regs(dev, 0x08, "\xf8", 1); + break; + + case EM2820_BOARD_IODATA_GVMVP_SZ: + em28xx_write_reg(dev, EM2820_R08_GPIO_CTRL, 0xff); + msleep(70); + em28xx_write_reg(dev, EM2820_R08_GPIO_CTRL, 0xf7); + usleep_range(10000, 11000); + em28xx_write_reg(dev, EM2820_R08_GPIO_CTRL, 0xfe); + msleep(70); + em28xx_write_reg(dev, EM2820_R08_GPIO_CTRL, 0xfd); + msleep(70); + break; + + case EM2860_BOARD_TERRATEC_GRABBY: + /* + * HACK?: Ensure AC97 register reading is reliable before + * proceeding. In practice, this will wait about 1.6 seconds. + */ + em28xx_wait_until_ac97_features_equals(dev, 0x6a90); + break; + } + + em28xx_gpio_set(dev, dev->board.tuner_gpio); + em28xx_set_mode(dev, EM28XX_ANALOG_MODE); + + /* Unlock device */ + em28xx_set_mode(dev, EM28XX_SUSPEND); +} + +static int em28xx_hint_board(struct em28xx *dev) +{ + int i; + + if (dev->is_webcam) { + if (dev->em28xx_sensor == EM28XX_MT9V011) { + dev->model = EM2820_BOARD_SILVERCREST_WEBCAM; + } else if (dev->em28xx_sensor == EM28XX_MT9M001 || + dev->em28xx_sensor == EM28XX_MT9M111) { + dev->model = EM2750_BOARD_UNKNOWN; + } + /* FIXME: IMPROVE ! */ + + return 0; + } + + /* + * HINT method: EEPROM + * + * This method works only for boards with eeprom. + * Uses a hash of all eeprom bytes. The hash should be + * unique for a vendor/tuner pair. + * There are a high chance that tuners for different + * video standards produce different hashes. + */ + for (i = 0; i < ARRAY_SIZE(em28xx_eeprom_hash); i++) { + if (dev->hash == em28xx_eeprom_hash[i].hash) { + dev->model = em28xx_eeprom_hash[i].model; + dev->tuner_type = em28xx_eeprom_hash[i].tuner; + + dev_err(&dev->intf->dev, + "Your board has no unique USB ID.\n" + "A hint were successfully done, based on eeprom hash.\n" + "This method is not 100%% failproof.\n" + "If the board were misdetected, please email this log to:\n" + "\tV4L Mailing List <linux-media@vger.kernel.org>\n" + "Board detected as %s\n", + em28xx_boards[dev->model].name); + + return 0; + } + } + + /* + * HINT method: I2C attached devices + * + * This method works for all boards. + * Uses a hash of i2c scanned devices. + * Devices with the same i2c attached chips will + * be considered equal. + * This method is less precise than the eeprom one. + */ + + /* user did not request i2c scanning => do it now */ + if (!dev->i2c_hash) + em28xx_do_i2c_scan(dev, dev->def_i2c_bus); + + for (i = 0; i < ARRAY_SIZE(em28xx_i2c_hash); i++) { + if (dev->i2c_hash == em28xx_i2c_hash[i].hash) { + dev->model = em28xx_i2c_hash[i].model; + dev->tuner_type = em28xx_i2c_hash[i].tuner; + dev_err(&dev->intf->dev, + "Your board has no unique USB ID.\n" + "A hint were successfully done, based on i2c devicelist hash.\n" + "This method is not 100%% failproof.\n" + "If the board were misdetected, please email this log to:\n" + "\tV4L Mailing List <linux-media@vger.kernel.org>\n" + "Board detected as %s\n", + em28xx_boards[dev->model].name); + + return 0; + } + } + + dev_err(&dev->intf->dev, + "Your board has no unique USB ID and thus need a hint to be detected.\n" + "You may try to use card=<n> insmod option to workaround that.\n" + "Please send an email with this log to:\n" + "\tV4L Mailing List <linux-media@vger.kernel.org>\n" + "Board eeprom hash is 0x%08lx\n" + "Board i2c devicelist hash is 0x%08lx\n", + dev->hash, dev->i2c_hash); + + dev_err(&dev->intf->dev, + "Here is a list of valid choices for the card=<n> insmod option:\n"); + for (i = 0; i < em28xx_bcount; i++) { + dev_err(&dev->intf->dev, + " card=%d -> %s\n", i, em28xx_boards[i].name); + } + return -1; +} + +static void em28xx_card_setup(struct em28xx *dev) +{ + int i, j, idx; + bool duplicate_entry; + + /* + * If the device can be a webcam, seek for a sensor. + * If sensor is not found, then it isn't a webcam. + */ + if (dev->is_webcam) { + em28xx_detect_sensor(dev); + if (dev->em28xx_sensor == EM28XX_NOSENSOR) + /* NOTE: error/unknown sensor/no sensor */ + dev->is_webcam = 0; + } + + switch (dev->model) { + case EM2750_BOARD_UNKNOWN: + case EM2820_BOARD_UNKNOWN: + case EM2800_BOARD_UNKNOWN: + /* + * The K-WORLD DVB-T 310U is detected as an MSI Digivox AD. + * + * This occurs because they share identical USB vendor and + * product IDs. + * + * What we do here is look up the EEPROM hash of the K-WORLD + * and if it is found then we decide that we do not have + * a DIGIVOX and reset the device to the K-WORLD instead. + * + * This solution is only valid if they do not share eeprom + * hash identities which has not been determined as yet. + */ + if (em28xx_hint_board(dev) < 0) { + dev_err(&dev->intf->dev, "Board not discovered\n"); + } else { + em28xx_set_model(dev); + em28xx_pre_card_setup(dev); + } + break; + default: + em28xx_set_model(dev); + } + + dev_info(&dev->intf->dev, "Identified as %s (card=%d)\n", + dev->board.name, dev->model); + + dev->tuner_type = em28xx_boards[dev->model].tuner_type; + + /* request some modules */ + switch (dev->model) { + case EM2820_BOARD_HAUPPAUGE_WINTV_USB_2: + case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900: + case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900_R2: + case EM2883_BOARD_HAUPPAUGE_WINTV_HVR_850: + case EM2883_BOARD_HAUPPAUGE_WINTV_HVR_950: + case EM2884_BOARD_HAUPPAUGE_WINTV_HVR_930C: + case EM28174_BOARD_HAUPPAUGE_WINTV_DUALHD_DVB: + case EM28174_BOARD_HAUPPAUGE_WINTV_DUALHD_01595: + { + struct tveeprom tv; + + if (!dev->eedata) + break; +#if defined(CONFIG_MODULES) && defined(MODULE) + request_module("tveeprom"); +#endif + /* Call first TVeeprom */ + + tveeprom_hauppauge_analog(&tv, dev->eedata); + + dev->tuner_type = tv.tuner_type; + + if (tv.audio_processor == TVEEPROM_AUDPROC_MSP) { + dev->i2s_speed = 2048000; + dev->has_msp34xx = 1; + } + break; + } + case EM2882_BOARD_KWORLD_ATSC_315U: + em28xx_write_reg(dev, 0x0d, 0x42); + usleep_range(10000, 11000); + em28xx_write_reg(dev, EM2820_R08_GPIO_CTRL, 0xfd); + usleep_range(10000, 11000); + break; + case EM2820_BOARD_KWORLD_PVRTV2800RF: + /* GPIO enables sound on KWORLD PVR TV 2800RF */ + em28xx_write_reg(dev, EM2820_R08_GPIO_CTRL, 0xf9); + break; + case EM2820_BOARD_UNKNOWN: + case EM2800_BOARD_UNKNOWN: + /* + * The K-WORLD DVB-T 310U is detected as an MSI Digivox AD. + * + * This occurs because they share identical USB vendor and + * product IDs. + * + * What we do here is look up the EEPROM hash of the K-WORLD + * and if it is found then we decide that we do not have + * a DIGIVOX and reset the device to the K-WORLD instead. + * + * This solution is only valid if they do not share eeprom + * hash identities which has not been determined as yet. + */ + case EM2880_BOARD_MSI_DIGIVOX_AD: + if (!em28xx_hint_board(dev)) + em28xx_set_model(dev); + + /* + * In cases where we had to use a board hint, the call to + * em28xx_set_mode() in em28xx_pre_card_setup() was a no-op, + * so make the call now so the analog GPIOs are set properly + * before probing the i2c bus. + */ + em28xx_gpio_set(dev, dev->board.tuner_gpio); + em28xx_set_mode(dev, EM28XX_ANALOG_MODE); + break; + + /* + * The Dikom DK300 is detected as an Kworld VS-DVB-T 323UR. + * + * This occurs because they share identical USB vendor and + * product IDs. + * + * What we do here is look up the EEPROM hash of the Dikom + * and if it is found then we decide that we do not have + * a Kworld and reset the device to the Dikom instead. + * + * This solution is only valid if they do not share eeprom + * hash identities which has not been determined as yet. + */ + case EM2882_BOARD_KWORLD_VS_DVBT: + if (!em28xx_hint_board(dev)) + em28xx_set_model(dev); + + /* + * In cases where we had to use a board hint, the call to + * em28xx_set_mode() in em28xx_pre_card_setup() was a no-op, + * so make the call now so the analog GPIOs are set properly + * before probing the i2c bus. + */ + em28xx_gpio_set(dev, dev->board.tuner_gpio); + em28xx_set_mode(dev, EM28XX_ANALOG_MODE); + break; + } + + if (dev->board.valid == EM28XX_BOARD_NOT_VALIDATED) { + dev_err(&dev->intf->dev, + "\n\n" + "The support for this board weren't valid yet.\n" + "Please send a report of having this working\n" + "not to V4L mailing list (and/or to other addresses)\n\n"); + } + + /* Free eeprom data memory */ + kfree(dev->eedata); + dev->eedata = NULL; + + /* Allow override tuner type by a module parameter */ + if (tuner >= 0) + dev->tuner_type = tuner; + + /* + * Dynamically generate a list of valid audio inputs for this + * specific board, mapping them via enum em28xx_amux. + */ + + idx = 0; + for (i = 0; i < MAX_EM28XX_INPUT; i++) { + if (!INPUT(i)->type) + continue; + + /* Skip already mapped audio inputs */ + duplicate_entry = false; + for (j = 0; j < idx; j++) { + if (INPUT(i)->amux == dev->amux_map[j]) { + duplicate_entry = true; + break; + } + } + if (duplicate_entry) + continue; + + dev->amux_map[idx++] = INPUT(i)->amux; + } + for (; idx < MAX_EM28XX_INPUT; idx++) + dev->amux_map[idx] = EM28XX_AMUX_UNUSED; +} + +void em28xx_setup_xc3028(struct em28xx *dev, struct xc2028_ctrl *ctl) +{ + memset(ctl, 0, sizeof(*ctl)); + + ctl->fname = XC2028_DEFAULT_FIRMWARE; + ctl->max_len = 64; + ctl->mts = em28xx_boards[dev->model].mts_firmware; + + switch (dev->model) { + case EM2880_BOARD_EMPIRE_DUAL_TV: + case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900: + case EM2882_BOARD_TERRATEC_HYBRID_XS: + case EM2880_BOARD_TERRATEC_HYBRID_XS: + case EM2880_BOARD_TERRATEC_HYBRID_XS_FR: + case EM2881_BOARD_PINNACLE_HYBRID_PRO: + case EM2882_BOARD_ZOLID_HYBRID_TV_STICK: + ctl->demod = XC3028_FE_ZARLINK456; + break; + case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900_R2: + case EM2882_BOARD_PINNACLE_HYBRID_PRO_330E: + ctl->demod = XC3028_FE_DEFAULT; + break; + case EM2880_BOARD_AMD_ATI_TV_WONDER_HD_600: + ctl->demod = XC3028_FE_DEFAULT; + ctl->fname = XC3028L_DEFAULT_FIRMWARE; + break; + case EM2883_BOARD_HAUPPAUGE_WINTV_HVR_850: + case EM2883_BOARD_HAUPPAUGE_WINTV_HVR_950: + case EM2880_BOARD_PINNACLE_PCTV_HD_PRO: + /* FIXME: Better to specify the needed IF */ + ctl->demod = XC3028_FE_DEFAULT; + break; + case EM2883_BOARD_KWORLD_HYBRID_330U: + case EM2882_BOARD_DIKOM_DK300: + case EM2882_BOARD_KWORLD_VS_DVBT: + ctl->demod = XC3028_FE_CHINA; + ctl->fname = XC2028_DEFAULT_FIRMWARE; + break; + case EM2882_BOARD_EVGA_INDTUBE: + ctl->demod = XC3028_FE_CHINA; + ctl->fname = XC3028L_DEFAULT_FIRMWARE; + break; + default: + ctl->demod = XC3028_FE_OREN538; + } +} +EXPORT_SYMBOL_GPL(em28xx_setup_xc3028); + +static void request_module_async(struct work_struct *work) +{ + struct em28xx *dev = container_of(work, + struct em28xx, request_module_wk); + + /* + * The em28xx extensions can be modules or builtin. If the + * modules are already loaded or are built in, those extensions + * can be initialised right now. Otherwise, the module init + * code will do it. + */ + + /* + * Devices with an audio-only intf also have a V4L/DVB/RC + * intf. Don't register extensions twice on those devices. + */ + if (dev->is_audio_only) { +#if defined(CONFIG_MODULES) && defined(MODULE) + request_module("em28xx-alsa"); +#endif + return; + } + + em28xx_init_extension(dev); + +#if defined(CONFIG_MODULES) && defined(MODULE) + if (dev->has_video) + request_module("em28xx-v4l"); + if (dev->usb_audio_type == EM28XX_USB_AUDIO_CLASS) + request_module("snd-usb-audio"); + else if (dev->usb_audio_type == EM28XX_USB_AUDIO_VENDOR) + request_module("em28xx-alsa"); + if (dev->board.has_dvb) + request_module("em28xx-dvb"); + if (dev->board.buttons || + ((dev->board.ir_codes || dev->board.has_ir_i2c) && !disable_ir)) + request_module("em28xx-rc"); +#endif /* CONFIG_MODULES */ +} + +static void request_modules(struct em28xx *dev) +{ + INIT_WORK(&dev->request_module_wk, request_module_async); + schedule_work(&dev->request_module_wk); +} + +static void flush_request_modules(struct em28xx *dev) +{ + flush_work(&dev->request_module_wk); +} + +static int em28xx_media_device_init(struct em28xx *dev, + struct usb_device *udev) +{ +#ifdef CONFIG_MEDIA_CONTROLLER + struct media_device *mdev; + + mdev = kzalloc(sizeof(*mdev), GFP_KERNEL); + if (!mdev) + return -ENOMEM; + + if (udev->product) + media_device_usb_init(mdev, udev, udev->product); + else if (udev->manufacturer) + media_device_usb_init(mdev, udev, udev->manufacturer); + else + media_device_usb_init(mdev, udev, dev_name(&dev->intf->dev)); + + dev->media_dev = mdev; +#endif + return 0; +} + +static void em28xx_unregister_media_device(struct em28xx *dev) +{ +#ifdef CONFIG_MEDIA_CONTROLLER + if (dev->media_dev) { + media_device_unregister(dev->media_dev); + media_device_cleanup(dev->media_dev); + kfree(dev->media_dev); + dev->media_dev = NULL; + } +#endif +} + +/* + * em28xx_release_resources() + * unregisters the v4l2,i2c and usb devices + * called when the device gets disconnected or at module unload + */ +static void em28xx_release_resources(struct em28xx *dev) +{ + struct usb_device *udev = interface_to_usbdev(dev->intf); + + /*FIXME: I2C IR should be disconnected */ + + mutex_lock(&dev->lock); + + em28xx_unregister_media_device(dev); + + if (dev->def_i2c_bus) + em28xx_i2c_unregister(dev, 1); + em28xx_i2c_unregister(dev, 0); + + if (dev->ts == PRIMARY_TS) + usb_put_dev(udev); + + /* Mark device as unused */ + clear_bit(dev->devno, em28xx_devused); + + mutex_unlock(&dev->lock); +}; + +/** + * em28xx_free_device() - Free em28xx device + * + * @ref: struct kref for em28xx device + * + * This is called when all extensions and em28xx core unregisters a device + */ +void em28xx_free_device(struct kref *ref) +{ + struct em28xx *dev = kref_to_dev(ref); + + dev_info(&dev->intf->dev, "Freeing device\n"); + + if (!dev->disconnected) + em28xx_release_resources(dev); + + if (dev->ts == PRIMARY_TS) + kfree(dev->alt_max_pkt_size_isoc); + + kfree(dev); +} +EXPORT_SYMBOL_GPL(em28xx_free_device); + +/* + * em28xx_init_dev() + * allocates and inits the device structs, registers i2c bus and v4l device + */ +static int em28xx_init_dev(struct em28xx *dev, struct usb_device *udev, + struct usb_interface *intf, + int minor) +{ + int retval; + const char *chip_name = NULL; + + dev->intf = intf; + mutex_init(&dev->ctrl_urb_lock); + spin_lock_init(&dev->slock); + + dev->em28xx_write_regs = em28xx_write_regs; + dev->em28xx_read_reg = em28xx_read_reg; + dev->em28xx_read_reg_req_len = em28xx_read_reg_req_len; + dev->em28xx_write_regs_req = em28xx_write_regs_req; + dev->em28xx_read_reg_req = em28xx_read_reg_req; + dev->board.is_em2800 = em28xx_boards[dev->model].is_em2800; + + em28xx_set_model(dev); + + dev->wait_after_write = 5; + + /* Based on the Chip ID, set the device configuration */ + retval = em28xx_read_reg(dev, EM28XX_R0A_CHIPID); + if (retval > 0) { + dev->chip_id = retval; + + switch (dev->chip_id) { + case CHIP_ID_EM2800: + chip_name = "em2800"; + break; + case CHIP_ID_EM2710: + chip_name = "em2710"; + break; + case CHIP_ID_EM2750: + chip_name = "em2750"; + break; + case CHIP_ID_EM2765: + chip_name = "em2765"; + dev->wait_after_write = 0; + dev->is_em25xx = 1; + dev->eeprom_addrwidth_16bit = 1; + break; + case CHIP_ID_EM2820: + chip_name = "em2710/2820"; + if (le16_to_cpu(udev->descriptor.idVendor) == 0xeb1a) { + __le16 idProd = udev->descriptor.idProduct; + + if (le16_to_cpu(idProd) == 0x2710) + chip_name = "em2710"; + else if (le16_to_cpu(idProd) == 0x2820) + chip_name = "em2820"; + } + /* NOTE: the em2820 is used in webcams, too ! */ + break; + case CHIP_ID_EM2840: + chip_name = "em2840"; + break; + case CHIP_ID_EM2860: + chip_name = "em2860"; + break; + case CHIP_ID_EM2870: + chip_name = "em2870"; + dev->wait_after_write = 0; + break; + case CHIP_ID_EM2874: + chip_name = "em2874"; + dev->wait_after_write = 0; + dev->eeprom_addrwidth_16bit = 1; + break; + case CHIP_ID_EM28174: + chip_name = "em28174"; + dev->wait_after_write = 0; + dev->eeprom_addrwidth_16bit = 1; + break; + case CHIP_ID_EM28178: + chip_name = "em28178"; + dev->wait_after_write = 0; + dev->eeprom_addrwidth_16bit = 1; + break; + case CHIP_ID_EM2883: + chip_name = "em2882/3"; + dev->wait_after_write = 0; + break; + case CHIP_ID_EM2884: + chip_name = "em2884"; + dev->wait_after_write = 0; + dev->eeprom_addrwidth_16bit = 1; + break; + } + } + if (!chip_name) + dev_info(&dev->intf->dev, + "unknown em28xx chip ID (%d)\n", dev->chip_id); + else + dev_info(&dev->intf->dev, "chip ID is %s\n", chip_name); + + em28xx_media_device_init(dev, udev); + + if (dev->is_audio_only) { + retval = em28xx_audio_setup(dev); + if (retval) { + retval = -ENODEV; + goto err_deinit_media; + } + em28xx_init_extension(dev); + + return 0; + } + + em28xx_pre_card_setup(dev); + + rt_mutex_init(&dev->i2c_bus_lock); + + /* register i2c bus 0 */ + if (dev->board.is_em2800) + retval = em28xx_i2c_register(dev, 0, EM28XX_I2C_ALGO_EM2800); + else + retval = em28xx_i2c_register(dev, 0, EM28XX_I2C_ALGO_EM28XX); + if (retval < 0) { + dev_err(&dev->intf->dev, + "%s: em28xx_i2c_register bus 0 - error [%d]!\n", + __func__, retval); + goto err_deinit_media; + } + + /* register i2c bus 1 */ + if (dev->def_i2c_bus) { + if (dev->is_em25xx) + retval = em28xx_i2c_register(dev, 1, + EM28XX_I2C_ALGO_EM25XX_BUS_B); + else + retval = em28xx_i2c_register(dev, 1, + EM28XX_I2C_ALGO_EM28XX); + if (retval < 0) { + dev_err(&dev->intf->dev, + "%s: em28xx_i2c_register bus 1 - error [%d]!\n", + __func__, retval); + + goto err_unreg_i2c; + } + } + + /* Do board specific init and eeprom reading */ + em28xx_card_setup(dev); + + return 0; + +err_unreg_i2c: + em28xx_i2c_unregister(dev, 0); +err_deinit_media: + em28xx_unregister_media_device(dev); + return retval; +} + +static int em28xx_duplicate_dev(struct em28xx *dev) +{ + int nr; + struct em28xx *sec_dev = kzalloc(sizeof(*sec_dev), GFP_KERNEL); + + if (!sec_dev) { + dev->dev_next = NULL; + return -ENOMEM; + } + memcpy(sec_dev, dev, sizeof(*sec_dev)); + /* Check to see next free device and mark as used */ + do { + nr = find_first_zero_bit(em28xx_devused, EM28XX_MAXBOARDS); + if (nr >= EM28XX_MAXBOARDS) { + /* No free device slots */ + dev_warn(&dev->intf->dev, ": Supports only %i em28xx boards.\n", + EM28XX_MAXBOARDS); + kfree(sec_dev); + dev->dev_next = NULL; + return -ENOMEM; + } + } while (test_and_set_bit(nr, em28xx_devused)); + sec_dev->devno = nr; + snprintf(sec_dev->name, 28, "em28xx #%d", nr); + sec_dev->dev_next = NULL; + dev->dev_next = sec_dev; + return 0; +} + +/* high bandwidth multiplier, as encoded in highspeed endpoint descriptors */ +#define hb_mult(wMaxPacketSize) (1 + (((wMaxPacketSize) >> 11) & 0x03)) + +static void em28xx_check_usb_descriptor(struct em28xx *dev, + struct usb_device *udev, + struct usb_interface *intf, + int alt, int ep, + bool *has_vendor_audio, + bool *has_video, + bool *has_dvb) +{ + const struct usb_endpoint_descriptor *e; + int sizedescr, size; + + /* + * NOTE: + * + * Old logic with support for isoc transfers only was: + * 0x82 isoc => analog + * 0x83 isoc => audio + * 0x84 isoc => digital + * + * New logic with support for bulk transfers + * 0x82 isoc => analog + * 0x82 bulk => analog + * 0x83 isoc* => audio + * 0x84 isoc => digital + * 0x84 bulk => analog or digital** + * 0x85 isoc => digital TS2 + * 0x85 bulk => digital TS2 + * (*: audio should always be isoc) + * (**: analog, if ep 0x82 is isoc, otherwise digital) + * + * The new logic preserves backwards compatibility and + * reflects the endpoint configurations we have seen + * so far. But there might be devices for which this + * logic is not sufficient... + */ + + e = &intf->altsetting[alt].endpoint[ep].desc; + + if (!usb_endpoint_dir_in(e)) + return; + + sizedescr = le16_to_cpu(e->wMaxPacketSize); + size = sizedescr & 0x7ff; + + if (udev->speed == USB_SPEED_HIGH) + size = size * hb_mult(sizedescr); + + /* Only inspect input endpoints */ + + switch (e->bEndpointAddress) { + case 0x82: + *has_video = true; + if (usb_endpoint_xfer_isoc(e)) { + dev->analog_ep_isoc = e->bEndpointAddress; + dev->alt_max_pkt_size_isoc[alt] = size; + } else if (usb_endpoint_xfer_bulk(e)) { + dev->analog_ep_bulk = e->bEndpointAddress; + } + return; + case 0x83: + if (usb_endpoint_xfer_isoc(e)) + *has_vendor_audio = true; + else + dev_err(&intf->dev, + "error: skipping audio endpoint 0x83, because it uses bulk transfers !\n"); + return; + case 0x84: + if (*has_video && (usb_endpoint_xfer_bulk(e))) { + dev->analog_ep_bulk = e->bEndpointAddress; + } else { + if (usb_endpoint_xfer_isoc(e)) { + if (size > dev->dvb_max_pkt_size_isoc) { + /* + * 2) some manufacturers (e.g. Terratec) + * disable endpoints by setting + * wMaxPacketSize to 0 bytes for all + * alt settings. So far, we've seen + * this for DVB isoc endpoints only. + */ + *has_dvb = true; + dev->dvb_ep_isoc = e->bEndpointAddress; + dev->dvb_max_pkt_size_isoc = size; + dev->dvb_alt_isoc = alt; + } + } else { + *has_dvb = true; + dev->dvb_ep_bulk = e->bEndpointAddress; + } + } + return; + case 0x85: + if (usb_endpoint_xfer_isoc(e)) { + if (size > dev->dvb_max_pkt_size_isoc_ts2) { + dev->dvb_ep_isoc_ts2 = e->bEndpointAddress; + dev->dvb_max_pkt_size_isoc_ts2 = size; + dev->dvb_alt_isoc = alt; + } + } else { + dev->dvb_ep_bulk_ts2 = e->bEndpointAddress; + } + return; + } +} + +/* + * em28xx_usb_probe() + * checks for supported devices + */ +static int em28xx_usb_probe(struct usb_interface *intf, + const struct usb_device_id *id) +{ + struct usb_device *udev; + struct em28xx *dev = NULL; + int retval; + bool has_vendor_audio = false, has_video = false, has_dvb = false; + int i, nr, try_bulk; + const int ifnum = intf->altsetting[0].desc.bInterfaceNumber; + char *speed; + + udev = usb_get_dev(interface_to_usbdev(intf)); + + /* Check to see next free device and mark as used */ + do { + nr = find_first_zero_bit(em28xx_devused, EM28XX_MAXBOARDS); + if (nr >= EM28XX_MAXBOARDS) { + /* No free device slots */ + dev_err(&intf->dev, + "Driver supports up to %i em28xx boards.\n", + EM28XX_MAXBOARDS); + retval = -ENOMEM; + goto err_no_slot; + } + } while (test_and_set_bit(nr, em28xx_devused)); + + /* Don't register audio interfaces */ + if (intf->altsetting[0].desc.bInterfaceClass == USB_CLASS_AUDIO) { + dev_info(&intf->dev, + "audio device (%04x:%04x): interface %i, class %i\n", + le16_to_cpu(udev->descriptor.idVendor), + le16_to_cpu(udev->descriptor.idProduct), + ifnum, + intf->altsetting[0].desc.bInterfaceClass); + + retval = -ENODEV; + goto err; + } + + /* allocate memory for our device state and initialize it */ + dev = kzalloc(sizeof(*dev), GFP_KERNEL); + if (!dev) { + retval = -ENOMEM; + goto err; + } + + /* compute alternate max packet sizes */ + dev->alt_max_pkt_size_isoc = kcalloc(intf->num_altsetting, + sizeof(dev->alt_max_pkt_size_isoc[0]), + GFP_KERNEL); + if (!dev->alt_max_pkt_size_isoc) { + kfree(dev); + retval = -ENOMEM; + goto err; + } + + /* Get endpoints */ + for (i = 0; i < intf->num_altsetting; i++) { + int ep; + + for (ep = 0; + ep < intf->altsetting[i].desc.bNumEndpoints; + ep++) + em28xx_check_usb_descriptor(dev, udev, intf, + i, ep, + &has_vendor_audio, + &has_video, + &has_dvb); + } + + if (!(has_vendor_audio || has_video || has_dvb)) { + retval = -ENODEV; + goto err_free; + } + + switch (udev->speed) { + case USB_SPEED_LOW: + speed = "1.5"; + break; + case USB_SPEED_UNKNOWN: + case USB_SPEED_FULL: + speed = "12"; + break; + case USB_SPEED_HIGH: + speed = "480"; + break; + default: + speed = "unknown"; + } + + dev_info(&intf->dev, + "New device %s %s @ %s Mbps (%04x:%04x, interface %d, class %d)\n", + udev->manufacturer ? udev->manufacturer : "", + udev->product ? udev->product : "", + speed, + le16_to_cpu(udev->descriptor.idVendor), + le16_to_cpu(udev->descriptor.idProduct), + ifnum, + intf->altsetting->desc.bInterfaceNumber); + + /* + * Make sure we have 480 Mbps of bandwidth, otherwise things like + * video stream wouldn't likely work, since 12 Mbps is generally + * not enough even for most Digital TV streams. + */ + if (udev->speed != USB_SPEED_HIGH && disable_usb_speed_check == 0) { + dev_err(&intf->dev, "Device initialization failed.\n"); + dev_err(&intf->dev, + "Device must be connected to a high-speed USB 2.0 port.\n"); + retval = -ENODEV; + goto err_free; + } + + kref_init(&dev->ref); + + dev->devno = nr; + dev->model = id->driver_info; + dev->alt = -1; + dev->is_audio_only = has_vendor_audio && !(has_video || has_dvb); + dev->has_video = has_video; + dev->ifnum = ifnum; + + dev->ts = PRIMARY_TS; + snprintf(dev->name, 28, "em28xx"); + dev->dev_next = NULL; + + if (has_vendor_audio) { + dev_info(&intf->dev, + "Audio interface %i found (Vendor Class)\n", ifnum); + dev->usb_audio_type = EM28XX_USB_AUDIO_VENDOR; + } + /* Checks if audio is provided by a USB Audio Class intf */ + for (i = 0; i < udev->config->desc.bNumInterfaces; i++) { + struct usb_interface *uif = udev->config->interface[i]; + + if (uif->altsetting[0].desc.bInterfaceClass == USB_CLASS_AUDIO) { + if (has_vendor_audio) + dev_err(&intf->dev, + "em28xx: device seems to have vendor AND usb audio class interfaces !\n" + "\t\tThe vendor interface will be ignored. Please contact the developers <linux-media@vger.kernel.org>\n"); + dev->usb_audio_type = EM28XX_USB_AUDIO_CLASS; + break; + } + } + + if (has_video) + dev_info(&intf->dev, "Video interface %i found:%s%s\n", + ifnum, + dev->analog_ep_bulk ? " bulk" : "", + dev->analog_ep_isoc ? " isoc" : ""); + if (has_dvb) + dev_info(&intf->dev, "DVB interface %i found:%s%s\n", + ifnum, + dev->dvb_ep_bulk ? " bulk" : "", + dev->dvb_ep_isoc ? " isoc" : ""); + + dev->num_alt = intf->num_altsetting; + + if ((unsigned int)card[nr] < em28xx_bcount) + dev->model = card[nr]; + + /* save our data pointer in this intf device */ + usb_set_intfdata(intf, dev); + + /* allocate device struct and check if the device is a webcam */ + mutex_init(&dev->lock); + retval = em28xx_init_dev(dev, udev, intf, nr); + if (retval) + goto err_free; + + if (usb_xfer_mode < 0) { + if (dev->is_webcam) + try_bulk = 1; + else + try_bulk = 0; + } else { + try_bulk = usb_xfer_mode > 0; + } + + /* Disable V4L2 if the device doesn't have a decoder or image sensor */ + if (has_video && + dev->board.decoder == EM28XX_NODECODER && + dev->em28xx_sensor == EM28XX_NOSENSOR) { + dev_err(&intf->dev, + "Currently, V4L2 is not supported on this model\n"); + has_video = false; + dev->has_video = false; + } + + if (dev->board.has_dual_ts && + (dev->tuner_type != TUNER_ABSENT || INPUT(0)->type)) { + /* + * The logic with sets alternate is not ready for dual-tuners + * which analog modes. + */ + dev_err(&intf->dev, + "We currently don't support analog TV or stream capture on dual tuners.\n"); + has_video = false; + } + + /* Select USB transfer types to use */ + if (has_video) { + if (!dev->analog_ep_isoc || (try_bulk && dev->analog_ep_bulk)) + dev->analog_xfer_bulk = 1; + dev_info(&intf->dev, "analog set to %s mode.\n", + dev->analog_xfer_bulk ? "bulk" : "isoc"); + } + if (has_dvb) { + if (!dev->dvb_ep_isoc || (try_bulk && dev->dvb_ep_bulk)) + dev->dvb_xfer_bulk = 1; + dev_info(&intf->dev, "dvb set to %s mode.\n", + dev->dvb_xfer_bulk ? "bulk" : "isoc"); + } + + if (dev->board.has_dual_ts && em28xx_duplicate_dev(dev) == 0) { + kref_init(&dev->dev_next->ref); + + dev->dev_next->ts = SECONDARY_TS; + dev->dev_next->alt = -1; + dev->dev_next->is_audio_only = has_vendor_audio && + !(has_video || has_dvb); + dev->dev_next->has_video = false; + dev->dev_next->ifnum = ifnum; + dev->dev_next->model = id->driver_info; + + mutex_init(&dev->dev_next->lock); + retval = em28xx_init_dev(dev->dev_next, udev, intf, + dev->dev_next->devno); + if (retval) + goto err_free; + + dev->dev_next->board.ir_codes = NULL; /* No IR for 2nd tuner */ + dev->dev_next->board.has_ir_i2c = 0; /* No IR for 2nd tuner */ + + if (usb_xfer_mode < 0) { + if (dev->dev_next->is_webcam) + try_bulk = 1; + else + try_bulk = 0; + } else { + try_bulk = usb_xfer_mode > 0; + } + + /* Select USB transfer types to use */ + if (has_dvb) { + if (!dev->dvb_ep_isoc_ts2 || + (try_bulk && dev->dvb_ep_bulk_ts2)) + dev->dev_next->dvb_xfer_bulk = 1; + dev_info(&dev->intf->dev, "dvb ts2 set to %s mode.\n", + dev->dev_next->dvb_xfer_bulk ? "bulk" : "isoc"); + } + + dev->dev_next->dvb_ep_isoc = dev->dvb_ep_isoc_ts2; + dev->dev_next->dvb_ep_bulk = dev->dvb_ep_bulk_ts2; + dev->dev_next->dvb_max_pkt_size_isoc = dev->dvb_max_pkt_size_isoc_ts2; + dev->dev_next->dvb_alt_isoc = dev->dvb_alt_isoc; + + /* Configuare hardware to support TS2*/ + if (dev->dvb_xfer_bulk) { + /* The ep4 and ep5 are configuared for BULK */ + em28xx_write_reg(dev, 0x0b, 0x96); + mdelay(100); + em28xx_write_reg(dev, 0x0b, 0x80); + mdelay(100); + } else { + /* The ep4 and ep5 are configuared for ISO */ + em28xx_write_reg(dev, 0x0b, 0x96); + mdelay(100); + em28xx_write_reg(dev, 0x0b, 0x82); + mdelay(100); + } + } + + request_modules(dev); + + /* + * Do it at the end, to reduce dynamic configuration changes during + * the device init. Yet, as request_modules() can be async, the + * topology will likely change after the load of the em28xx subdrivers. + */ +#ifdef CONFIG_MEDIA_CONTROLLER + retval = media_device_register(dev->media_dev); +#endif + + return 0; + +err_free: + kfree(dev->alt_max_pkt_size_isoc); + kfree(dev); + +err: + clear_bit(nr, em28xx_devused); + +err_no_slot: + usb_put_dev(udev); + return retval; +} + +/* + * em28xx_usb_disconnect() + * called when the device gets disconnected + * video device will be unregistered on v4l2_close in case it is still open + */ +static void em28xx_usb_disconnect(struct usb_interface *intf) +{ + struct em28xx *dev; + + dev = usb_get_intfdata(intf); + usb_set_intfdata(intf, NULL); + + if (!dev) + return; + + if (dev->dev_next) { + dev->dev_next->disconnected = 1; + dev_info(&dev->intf->dev, "Disconnecting %s\n", + dev->dev_next->name); + } + + dev->disconnected = 1; + + dev_info(&dev->intf->dev, "Disconnecting %s\n", dev->name); + + flush_request_modules(dev); + + em28xx_close_extension(dev); + + if (dev->dev_next) + em28xx_release_resources(dev->dev_next); + em28xx_release_resources(dev); + + if (dev->dev_next) { + kref_put(&dev->dev_next->ref, em28xx_free_device); + dev->dev_next = NULL; + } + kref_put(&dev->ref, em28xx_free_device); +} + +static int em28xx_usb_suspend(struct usb_interface *intf, + pm_message_t message) +{ + struct em28xx *dev; + + dev = usb_get_intfdata(intf); + if (!dev) + return 0; + em28xx_suspend_extension(dev); + return 0; +} + +static int em28xx_usb_resume(struct usb_interface *intf) +{ + struct em28xx *dev; + + dev = usb_get_intfdata(intf); + if (!dev) + return 0; + em28xx_resume_extension(dev); + return 0; +} + +static struct usb_driver em28xx_usb_driver = { + .name = "em28xx", + .probe = em28xx_usb_probe, + .disconnect = em28xx_usb_disconnect, + .suspend = em28xx_usb_suspend, + .resume = em28xx_usb_resume, + .reset_resume = em28xx_usb_resume, + .id_table = em28xx_id_table, +}; + +module_usb_driver(em28xx_usb_driver); diff --git a/drivers/media/usb/em28xx/em28xx-core.c b/drivers/media/usb/em28xx/em28xx-core.c new file mode 100644 index 000000000..334a82add --- /dev/null +++ b/drivers/media/usb/em28xx/em28xx-core.c @@ -0,0 +1,1179 @@ +// SPDX-License-Identifier: GPL-2.0+ +// +// em28xx-core.c - driver for Empia EM2800/EM2820/2840 USB video capture devices +// +// Copyright (C) 2005 Ludovico Cavedon <cavedon@sssup.it> +// Markus Rechberger <mrechberger@gmail.com> +// Mauro Carvalho Chehab <mchehab@kernel.org> +// Sascha Sommer <saschasommer@freenet.de> +// Copyright (C) 2012 Frank Schäfer <fschaefer.oss@googlemail.com> +// +// This program is free software; you can redistribute it and/or modify +// it under the terms of the GNU General Public License as published by +// the Free Software Foundation; either version 2 of the License, or +// (at your option) any later version. +// +// This program is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. + +#include "em28xx.h" + +#include <linux/init.h> +#include <linux/jiffies.h> +#include <linux/list.h> +#include <linux/module.h> +#include <linux/slab.h> +#include <linux/usb.h> +#include <linux/vmalloc.h> +#include <sound/ac97_codec.h> +#include <media/v4l2-common.h> + +#define DRIVER_AUTHOR "Ludovico Cavedon <cavedon@sssup.it>, " \ + "Markus Rechberger <mrechberger@gmail.com>, " \ + "Mauro Carvalho Chehab <mchehab@kernel.org>, " \ + "Sascha Sommer <saschasommer@freenet.de>" + +MODULE_AUTHOR(DRIVER_AUTHOR); +MODULE_DESCRIPTION(DRIVER_DESC); +MODULE_LICENSE("GPL v2"); +MODULE_VERSION(EM28XX_VERSION); + +/* #define ENABLE_DEBUG_ISOC_FRAMES */ + +static unsigned int core_debug; +module_param(core_debug, int, 0644); +MODULE_PARM_DESC(core_debug, "enable debug messages [core and isoc]"); + +#define em28xx_coredbg(fmt, arg...) do { \ + if (core_debug) \ + dev_printk(KERN_DEBUG, &dev->intf->dev, \ + "core: %s: " fmt, __func__, ## arg); \ +} while (0) + +static unsigned int reg_debug; +module_param(reg_debug, int, 0644); +MODULE_PARM_DESC(reg_debug, "enable debug messages [URB reg]"); + +#define em28xx_regdbg(fmt, arg...) do { \ + if (reg_debug) \ + dev_printk(KERN_DEBUG, &dev->intf->dev, \ + "reg: %s: " fmt, __func__, ## arg); \ +} while (0) + +/* FIXME: don't abuse core_debug */ +#define em28xx_isocdbg(fmt, arg...) do { \ + if (core_debug) \ + dev_printk(KERN_DEBUG, &dev->intf->dev, \ + "core: %s: " fmt, __func__, ## arg); \ +} while (0) + +/* + * em28xx_read_reg_req() + * reads data from the usb device specifying bRequest + */ +int em28xx_read_reg_req_len(struct em28xx *dev, u8 req, u16 reg, + char *buf, int len) +{ + int ret; + struct usb_device *udev = interface_to_usbdev(dev->intf); + int pipe = usb_rcvctrlpipe(udev, 0); + + if (dev->disconnected) + return -ENODEV; + + if (len > URB_MAX_CTRL_SIZE) + return -EINVAL; + + mutex_lock(&dev->ctrl_urb_lock); + ret = usb_control_msg(udev, pipe, req, + USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, + 0x0000, reg, dev->urb_buf, len, 1000); + if (ret < 0) { + em28xx_regdbg("(pipe 0x%08x): IN: %02x %02x %02x %02x %02x %02x %02x %02x failed with error %i\n", + pipe, + USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, + req, 0, 0, + reg & 0xff, reg >> 8, + len & 0xff, len >> 8, ret); + mutex_unlock(&dev->ctrl_urb_lock); + return usb_translate_errors(ret); + } + + if (len) + memcpy(buf, dev->urb_buf, len); + + mutex_unlock(&dev->ctrl_urb_lock); + + em28xx_regdbg("(pipe 0x%08x): IN: %02x %02x %02x %02x %02x %02x %02x %02x <<< %*ph\n", + pipe, USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, + req, 0, 0, + reg & 0xff, reg >> 8, + len & 0xff, len >> 8, len, buf); + + return ret; +} + +/* + * em28xx_read_reg_req() + * reads data from the usb device specifying bRequest + */ +int em28xx_read_reg_req(struct em28xx *dev, u8 req, u16 reg) +{ + int ret; + u8 val; + + ret = em28xx_read_reg_req_len(dev, req, reg, &val, 1); + if (ret < 0) + return ret; + + return val; +} + +int em28xx_read_reg(struct em28xx *dev, u16 reg) +{ + return em28xx_read_reg_req(dev, USB_REQ_GET_STATUS, reg); +} +EXPORT_SYMBOL_GPL(em28xx_read_reg); + +/* + * em28xx_write_regs_req() + * sends data to the usb device, specifying bRequest + */ +int em28xx_write_regs_req(struct em28xx *dev, u8 req, u16 reg, char *buf, + int len) +{ + int ret; + struct usb_device *udev = interface_to_usbdev(dev->intf); + int pipe = usb_sndctrlpipe(udev, 0); + + if (dev->disconnected) + return -ENODEV; + + if (len < 1 || len > URB_MAX_CTRL_SIZE) + return -EINVAL; + + mutex_lock(&dev->ctrl_urb_lock); + memcpy(dev->urb_buf, buf, len); + ret = usb_control_msg(udev, pipe, req, + USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, + 0x0000, reg, dev->urb_buf, len, 1000); + mutex_unlock(&dev->ctrl_urb_lock); + + if (ret < 0) { + em28xx_regdbg("(pipe 0x%08x): OUT: %02x %02x %02x %02x %02x %02x %02x %02x >>> %*ph failed with error %i\n", + pipe, + USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, + req, 0, 0, + reg & 0xff, reg >> 8, + len & 0xff, len >> 8, len, buf, ret); + return usb_translate_errors(ret); + } + + em28xx_regdbg("(pipe 0x%08x): OUT: %02x %02x %02x %02x %02x %02x %02x %02x >>> %*ph\n", + pipe, + USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, + req, 0, 0, + reg & 0xff, reg >> 8, + len & 0xff, len >> 8, len, buf); + + if (dev->wait_after_write) + msleep(dev->wait_after_write); + + return ret; +} + +int em28xx_write_regs(struct em28xx *dev, u16 reg, char *buf, int len) +{ + return em28xx_write_regs_req(dev, USB_REQ_GET_STATUS, reg, buf, len); +} +EXPORT_SYMBOL_GPL(em28xx_write_regs); + +/* Write a single register */ +int em28xx_write_reg(struct em28xx *dev, u16 reg, u8 val) +{ + return em28xx_write_regs(dev, reg, &val, 1); +} +EXPORT_SYMBOL_GPL(em28xx_write_reg); + +/* + * em28xx_write_reg_bits() + * sets only some bits (specified by bitmask) of a register, by first reading + * the actual value + */ +int em28xx_write_reg_bits(struct em28xx *dev, u16 reg, u8 val, + u8 bitmask) +{ + int oldval; + u8 newval; + + oldval = em28xx_read_reg(dev, reg); + if (oldval < 0) + return oldval; + + newval = (((u8)oldval) & ~bitmask) | (val & bitmask); + + return em28xx_write_regs(dev, reg, &newval, 1); +} +EXPORT_SYMBOL_GPL(em28xx_write_reg_bits); + +/* + * em28xx_toggle_reg_bits() + * toggles/inverts the bits (specified by bitmask) of a register + */ +int em28xx_toggle_reg_bits(struct em28xx *dev, u16 reg, u8 bitmask) +{ + int oldval; + u8 newval; + + oldval = em28xx_read_reg(dev, reg); + if (oldval < 0) + return oldval; + + newval = (~oldval & bitmask) | (oldval & ~bitmask); + + return em28xx_write_reg(dev, reg, newval); +} +EXPORT_SYMBOL_GPL(em28xx_toggle_reg_bits); + +/* + * em28xx_is_ac97_ready() + * Checks if ac97 is ready + */ +static int em28xx_is_ac97_ready(struct em28xx *dev) +{ + unsigned long timeout = jiffies + msecs_to_jiffies(EM28XX_AC97_XFER_TIMEOUT); + int ret; + + /* Wait up to 50 ms for AC97 command to complete */ + while (time_is_after_jiffies(timeout)) { + ret = em28xx_read_reg(dev, EM28XX_R43_AC97BUSY); + if (ret < 0) + return ret; + + if (!(ret & 0x01)) + return 0; + msleep(5); + } + + dev_warn(&dev->intf->dev, + "AC97 command still being executed: not handled properly!\n"); + return -EBUSY; +} + +/* + * em28xx_read_ac97() + * write a 16 bit value to the specified AC97 address (LSB first!) + */ +int em28xx_read_ac97(struct em28xx *dev, u8 reg) +{ + int ret; + u8 addr = (reg & 0x7f) | 0x80; + __le16 val; + + ret = em28xx_is_ac97_ready(dev); + if (ret < 0) + return ret; + + ret = em28xx_write_regs(dev, EM28XX_R42_AC97ADDR, &addr, 1); + if (ret < 0) + return ret; + + ret = dev->em28xx_read_reg_req_len(dev, 0, EM28XX_R40_AC97LSB, + (u8 *)&val, sizeof(val)); + + if (ret < 0) + return ret; + return le16_to_cpu(val); +} +EXPORT_SYMBOL_GPL(em28xx_read_ac97); + +/* + * em28xx_write_ac97() + * write a 16 bit value to the specified AC97 address (LSB first!) + */ +int em28xx_write_ac97(struct em28xx *dev, u8 reg, u16 val) +{ + int ret; + u8 addr = reg & 0x7f; + __le16 value; + + value = cpu_to_le16(val); + + ret = em28xx_is_ac97_ready(dev); + if (ret < 0) + return ret; + + ret = em28xx_write_regs(dev, EM28XX_R40_AC97LSB, (u8 *)&value, 2); + if (ret < 0) + return ret; + + ret = em28xx_write_regs(dev, EM28XX_R42_AC97ADDR, &addr, 1); + if (ret < 0) + return ret; + + return 0; +} +EXPORT_SYMBOL_GPL(em28xx_write_ac97); + +struct em28xx_vol_itable { + enum em28xx_amux mux; + u8 reg; +}; + +static struct em28xx_vol_itable inputs[] = { + { EM28XX_AMUX_VIDEO, AC97_VIDEO }, + { EM28XX_AMUX_LINE_IN, AC97_LINE }, + { EM28XX_AMUX_PHONE, AC97_PHONE }, + { EM28XX_AMUX_MIC, AC97_MIC }, + { EM28XX_AMUX_CD, AC97_CD }, + { EM28XX_AMUX_AUX, AC97_AUX }, + { EM28XX_AMUX_PCM_OUT, AC97_PCM }, +}; + +static int set_ac97_input(struct em28xx *dev) +{ + int ret, i; + enum em28xx_amux amux = dev->ctl_ainput; + + /* + * EM28XX_AMUX_VIDEO2 is a special case used to indicate that + * em28xx should point to LINE IN, while AC97 should use VIDEO + */ + if (amux == EM28XX_AMUX_VIDEO2) + amux = EM28XX_AMUX_VIDEO; + + /* Mute all entres but the one that were selected */ + for (i = 0; i < ARRAY_SIZE(inputs); i++) { + if (amux == inputs[i].mux) + ret = em28xx_write_ac97(dev, inputs[i].reg, 0x0808); + else + ret = em28xx_write_ac97(dev, inputs[i].reg, 0x8000); + + if (ret < 0) + dev_warn(&dev->intf->dev, + "couldn't setup AC97 register %d\n", + inputs[i].reg); + } + return 0; +} + +static int em28xx_set_audio_source(struct em28xx *dev) +{ + int ret; + u8 input; + + if (dev->board.is_em2800) { + if (dev->ctl_ainput == EM28XX_AMUX_VIDEO) + input = EM2800_AUDIO_SRC_TUNER; + else + input = EM2800_AUDIO_SRC_LINE; + + ret = em28xx_write_regs(dev, EM2800_R08_AUDIOSRC, &input, 1); + if (ret < 0) + return ret; + } + + if (dev->has_msp34xx) { + input = EM28XX_AUDIO_SRC_TUNER; + } else { + switch (dev->ctl_ainput) { + case EM28XX_AMUX_VIDEO: + input = EM28XX_AUDIO_SRC_TUNER; + break; + default: + input = EM28XX_AUDIO_SRC_LINE; + break; + } + } + + if (dev->board.mute_gpio && dev->mute) + em28xx_gpio_set(dev, dev->board.mute_gpio); + else + em28xx_gpio_set(dev, INPUT(dev->ctl_input)->gpio); + + ret = em28xx_write_reg_bits(dev, EM28XX_R0E_AUDIOSRC, input, 0xc0); + if (ret < 0) + return ret; + usleep_range(10000, 11000); + + switch (dev->audio_mode.ac97) { + case EM28XX_NO_AC97: + break; + default: + ret = set_ac97_input(dev); + } + + return ret; +} + +struct em28xx_vol_otable { + enum em28xx_aout mux; + u8 reg; +}; + +static const struct em28xx_vol_otable outputs[] = { + { EM28XX_AOUT_MASTER, AC97_MASTER }, + { EM28XX_AOUT_LINE, AC97_HEADPHONE }, + { EM28XX_AOUT_MONO, AC97_MASTER_MONO }, + { EM28XX_AOUT_LFE, AC97_CENTER_LFE_MASTER }, + { EM28XX_AOUT_SURR, AC97_SURROUND_MASTER }, +}; + +int em28xx_audio_analog_set(struct em28xx *dev) +{ + int ret, i; + u8 xclk; + + if (dev->int_audio_type == EM28XX_INT_AUDIO_NONE) + return 0; + + /* + * It is assumed that all devices use master volume for output. + * It would be possible to use also line output. + */ + if (dev->audio_mode.ac97 != EM28XX_NO_AC97) { + /* Mute all outputs */ + for (i = 0; i < ARRAY_SIZE(outputs); i++) { + ret = em28xx_write_ac97(dev, outputs[i].reg, 0x8000); + if (ret < 0) + dev_warn(&dev->intf->dev, + "couldn't setup AC97 register %d\n", + outputs[i].reg); + } + } + + xclk = dev->board.xclk & 0x7f; + if (!dev->mute) + xclk |= EM28XX_XCLK_AUDIO_UNMUTE; + + ret = em28xx_write_reg(dev, EM28XX_R0F_XCLK, xclk); + if (ret < 0) + return ret; + usleep_range(10000, 11000); + + /* Selects the proper audio input */ + ret = em28xx_set_audio_source(dev); + + /* Sets volume */ + if (dev->audio_mode.ac97 != EM28XX_NO_AC97) { + int vol; + + em28xx_write_ac97(dev, AC97_POWERDOWN, 0x4200); + em28xx_write_ac97(dev, AC97_EXTENDED_STATUS, 0x0031); + em28xx_write_ac97(dev, AC97_PCM_LR_ADC_RATE, 0xbb80); + + /* LSB: left channel - both channels with the same level */ + vol = (0x1f - dev->volume) | ((0x1f - dev->volume) << 8); + + /* Mute device, if needed */ + if (dev->mute) + vol |= 0x8000; + + /* Sets volume */ + for (i = 0; i < ARRAY_SIZE(outputs); i++) { + if (dev->ctl_aoutput & outputs[i].mux) + ret = em28xx_write_ac97(dev, outputs[i].reg, + vol); + if (ret < 0) + dev_warn(&dev->intf->dev, + "couldn't setup AC97 register %d\n", + outputs[i].reg); + } + + if (dev->ctl_aoutput & EM28XX_AOUT_PCM_IN) { + int sel = ac97_return_record_select(dev->ctl_aoutput); + + /* + * Use the same input for both left and right + * channels + */ + sel |= (sel << 8); + + em28xx_write_ac97(dev, AC97_REC_SEL, sel); + } + } + + return ret; +} +EXPORT_SYMBOL_GPL(em28xx_audio_analog_set); + +int em28xx_audio_setup(struct em28xx *dev) +{ + int vid1, vid2, feat, cfg; + u32 vid = 0; + u8 i2s_samplerates; + + if (dev->chip_id == CHIP_ID_EM2870 || + dev->chip_id == CHIP_ID_EM2874 || + dev->chip_id == CHIP_ID_EM28174 || + dev->chip_id == CHIP_ID_EM28178) { + /* Digital only device - don't load any alsa module */ + dev->int_audio_type = EM28XX_INT_AUDIO_NONE; + dev->usb_audio_type = EM28XX_USB_AUDIO_NONE; + return 0; + } + + /* See how this device is configured */ + cfg = em28xx_read_reg(dev, EM28XX_R00_CHIPCFG); + dev_info(&dev->intf->dev, "Config register raw data: 0x%02x\n", cfg); + if (cfg < 0) { /* Register read error */ + /* Be conservative */ + dev->int_audio_type = EM28XX_INT_AUDIO_AC97; + } else if ((cfg & EM28XX_CHIPCFG_AUDIOMASK) == 0x00) { + /* The device doesn't have vendor audio at all */ + dev->int_audio_type = EM28XX_INT_AUDIO_NONE; + dev->usb_audio_type = EM28XX_USB_AUDIO_NONE; + return 0; + } else if ((cfg & EM28XX_CHIPCFG_AUDIOMASK) != EM28XX_CHIPCFG_AC97) { + dev->int_audio_type = EM28XX_INT_AUDIO_I2S; + if (dev->chip_id < CHIP_ID_EM2860 && + (cfg & EM28XX_CHIPCFG_AUDIOMASK) == + EM2820_CHIPCFG_I2S_1_SAMPRATE) + i2s_samplerates = 1; + else if (dev->chip_id >= CHIP_ID_EM2860 && + (cfg & EM28XX_CHIPCFG_AUDIOMASK) == + EM2860_CHIPCFG_I2S_5_SAMPRATES) + i2s_samplerates = 5; + else + i2s_samplerates = 3; + dev_info(&dev->intf->dev, "I2S Audio (%d sample rate(s))\n", + i2s_samplerates); + /* Skip the code that does AC97 vendor detection */ + dev->audio_mode.ac97 = EM28XX_NO_AC97; + goto init_audio; + } else { + dev->int_audio_type = EM28XX_INT_AUDIO_AC97; + } + + dev->audio_mode.ac97 = EM28XX_AC97_OTHER; + + vid1 = em28xx_read_ac97(dev, AC97_VENDOR_ID1); + if (vid1 < 0) { + /* + * Device likely doesn't support AC97 + * Note: (some) em2800 devices without eeprom reports 0x91 on + * CHIPCFG register, even not having an AC97 chip + */ + dev_warn(&dev->intf->dev, + "AC97 chip type couldn't be determined\n"); + dev->audio_mode.ac97 = EM28XX_NO_AC97; + if (dev->usb_audio_type == EM28XX_USB_AUDIO_VENDOR) + dev->usb_audio_type = EM28XX_USB_AUDIO_NONE; + dev->int_audio_type = EM28XX_INT_AUDIO_NONE; + goto init_audio; + } + + vid2 = em28xx_read_ac97(dev, AC97_VENDOR_ID2); + if (vid2 < 0) + goto init_audio; + + vid = vid1 << 16 | vid2; + dev_warn(&dev->intf->dev, "AC97 vendor ID = 0x%08x\n", vid); + + feat = em28xx_read_ac97(dev, AC97_RESET); + if (feat < 0) + goto init_audio; + + dev_warn(&dev->intf->dev, "AC97 features = 0x%04x\n", feat); + + /* Try to identify what audio processor we have */ + if ((vid == 0xffffffff || vid == 0x83847650) && feat == 0x6a90) + dev->audio_mode.ac97 = EM28XX_AC97_EM202; + else if ((vid >> 8) == 0x838476) + dev->audio_mode.ac97 = EM28XX_AC97_SIGMATEL; + +init_audio: + /* Reports detected AC97 processor */ + switch (dev->audio_mode.ac97) { + case EM28XX_NO_AC97: + dev_info(&dev->intf->dev, "No AC97 audio processor\n"); + break; + case EM28XX_AC97_EM202: + dev_info(&dev->intf->dev, + "Empia 202 AC97 audio processor detected\n"); + break; + case EM28XX_AC97_SIGMATEL: + dev_info(&dev->intf->dev, + "Sigmatel audio processor detected (stac 97%02x)\n", + vid & 0xff); + break; + case EM28XX_AC97_OTHER: + dev_warn(&dev->intf->dev, + "Unknown AC97 audio processor detected!\n"); + break; + default: + break; + } + + return em28xx_audio_analog_set(dev); +} +EXPORT_SYMBOL_GPL(em28xx_audio_setup); + +const struct em28xx_led *em28xx_find_led(struct em28xx *dev, + enum em28xx_led_role role) +{ + if (dev->board.leds) { + u8 k = 0; + + while (dev->board.leds[k].role >= 0 && + dev->board.leds[k].role < EM28XX_NUM_LED_ROLES) { + if (dev->board.leds[k].role == role) + return &dev->board.leds[k]; + k++; + } + } + return NULL; +} +EXPORT_SYMBOL_GPL(em28xx_find_led); + +int em28xx_capture_start(struct em28xx *dev, int start) +{ + int rc; + const struct em28xx_led *led = NULL; + + if (dev->chip_id == CHIP_ID_EM2874 || + dev->chip_id == CHIP_ID_EM2884 || + dev->chip_id == CHIP_ID_EM28174 || + dev->chip_id == CHIP_ID_EM28178) { + /* The Transport Stream Enable Register moved in em2874 */ + if (dev->dvb_xfer_bulk) { + /* Max Tx Size = 188 * 256 = 48128 - LCM(188,512) * 2 */ + em28xx_write_reg(dev, (dev->ts == PRIMARY_TS) ? + EM2874_R5D_TS1_PKT_SIZE : + EM2874_R5E_TS2_PKT_SIZE, + 0xff); + } else { + /* ISOC Maximum Transfer Size = 188 * 5 */ + em28xx_write_reg(dev, (dev->ts == PRIMARY_TS) ? + EM2874_R5D_TS1_PKT_SIZE : + EM2874_R5E_TS2_PKT_SIZE, + dev->dvb_max_pkt_size_isoc / 188); + } + if (dev->ts == PRIMARY_TS) + rc = em28xx_write_reg_bits(dev, + EM2874_R5F_TS_ENABLE, + start ? EM2874_TS1_CAPTURE_ENABLE : 0x00, + EM2874_TS1_CAPTURE_ENABLE | EM2874_TS1_FILTER_ENABLE | EM2874_TS1_NULL_DISCARD); + else + rc = em28xx_write_reg_bits(dev, + EM2874_R5F_TS_ENABLE, + start ? EM2874_TS2_CAPTURE_ENABLE : 0x00, + EM2874_TS2_CAPTURE_ENABLE | EM2874_TS2_FILTER_ENABLE | EM2874_TS2_NULL_DISCARD); + } else { + /* FIXME: which is the best order? */ + /* video registers are sampled by VREF */ + rc = em28xx_write_reg_bits(dev, EM28XX_R0C_USBSUSP, + start ? 0x10 : 0x00, 0x10); + if (rc < 0) + return rc; + + if (start) { + if (dev->is_webcam) + rc = em28xx_write_reg(dev, 0x13, 0x0c); + + /* Enable video capture */ + rc = em28xx_write_reg(dev, 0x48, 0x00); + if (rc < 0) + return rc; + + if (dev->mode == EM28XX_ANALOG_MODE) + rc = em28xx_write_reg(dev, + EM28XX_R12_VINENABLE, + 0x67); + else + rc = em28xx_write_reg(dev, + EM28XX_R12_VINENABLE, + 0x37); + if (rc < 0) + return rc; + + usleep_range(10000, 11000); + } else { + /* disable video capture */ + rc = em28xx_write_reg(dev, EM28XX_R12_VINENABLE, 0x27); + } + } + + if (dev->mode == EM28XX_ANALOG_MODE) + led = em28xx_find_led(dev, EM28XX_LED_ANALOG_CAPTURING); + else + led = em28xx_find_led(dev, EM28XX_LED_DIGITAL_CAPTURING); + + if (led) + em28xx_write_reg_bits(dev, led->gpio_reg, + (!start ^ led->inverted) ? + ~led->gpio_mask : led->gpio_mask, + led->gpio_mask); + + return rc; +} + +int em28xx_gpio_set(struct em28xx *dev, const struct em28xx_reg_seq *gpio) +{ + int rc = 0; + + if (!gpio) + return rc; + + if (dev->mode != EM28XX_SUSPEND) { + em28xx_write_reg(dev, 0x48, 0x00); + if (dev->mode == EM28XX_ANALOG_MODE) + em28xx_write_reg(dev, EM28XX_R12_VINENABLE, 0x67); + else + em28xx_write_reg(dev, EM28XX_R12_VINENABLE, 0x37); + usleep_range(10000, 11000); + } + + /* Send GPIO reset sequences specified at board entry */ + while (gpio->sleep >= 0) { + if (gpio->reg >= 0) { + rc = em28xx_write_reg_bits(dev, + gpio->reg, + gpio->val, + gpio->mask); + if (rc < 0) + return rc; + } + if (gpio->sleep > 0) + msleep(gpio->sleep); + + gpio++; + } + return rc; +} +EXPORT_SYMBOL_GPL(em28xx_gpio_set); + +int em28xx_set_mode(struct em28xx *dev, enum em28xx_mode set_mode) +{ + if (dev->mode == set_mode) + return 0; + + if (set_mode == EM28XX_SUSPEND) { + dev->mode = set_mode; + + /* FIXME: add suspend support for ac97 */ + + return em28xx_gpio_set(dev, dev->board.suspend_gpio); + } + + dev->mode = set_mode; + + if (dev->mode == EM28XX_DIGITAL_MODE) + return em28xx_gpio_set(dev, dev->board.dvb_gpio); + else + return em28xx_gpio_set(dev, INPUT(dev->ctl_input)->gpio); +} +EXPORT_SYMBOL_GPL(em28xx_set_mode); + +/* + *URB control + */ + +/* + * URB completion handler for isoc/bulk transfers + */ +static void em28xx_irq_callback(struct urb *urb) +{ + struct em28xx *dev = urb->context; + int i; + + switch (urb->status) { + case 0: /* success */ + case -ETIMEDOUT: /* NAK */ + break; + case -ECONNRESET: /* kill */ + case -ENOENT: + case -ESHUTDOWN: + return; + default: /* error */ + em28xx_isocdbg("urb completion error %d.\n", urb->status); + break; + } + + /* Copy data from URB */ + spin_lock(&dev->slock); + dev->usb_ctl.urb_data_copy(dev, urb); + spin_unlock(&dev->slock); + + /* Reset urb buffers */ + for (i = 0; i < urb->number_of_packets; i++) { + /* isoc only (bulk: number_of_packets = 0) */ + urb->iso_frame_desc[i].status = 0; + urb->iso_frame_desc[i].actual_length = 0; + } + urb->status = 0; + + urb->status = usb_submit_urb(urb, GFP_ATOMIC); + if (urb->status) { + em28xx_isocdbg("urb resubmit failed (error=%i)\n", + urb->status); + } +} + +/* + * Stop and Deallocate URBs + */ +void em28xx_uninit_usb_xfer(struct em28xx *dev, enum em28xx_mode mode) +{ + struct urb *urb; + struct em28xx_usb_bufs *usb_bufs; + int i; + + em28xx_isocdbg("called %s in mode %d\n", __func__, mode); + + if (mode == EM28XX_DIGITAL_MODE) + usb_bufs = &dev->usb_ctl.digital_bufs; + else + usb_bufs = &dev->usb_ctl.analog_bufs; + + for (i = 0; i < usb_bufs->num_bufs; i++) { + urb = usb_bufs->urb[i]; + if (urb) { + if (!irqs_disabled()) + usb_kill_urb(urb); + else + usb_unlink_urb(urb); + + usb_free_urb(urb); + usb_bufs->urb[i] = NULL; + } + } + + kfree(usb_bufs->urb); + kfree(usb_bufs->buf); + + usb_bufs->urb = NULL; + usb_bufs->buf = NULL; + usb_bufs->num_bufs = 0; + + em28xx_capture_start(dev, 0); +} +EXPORT_SYMBOL_GPL(em28xx_uninit_usb_xfer); + +/* + * Stop URBs + */ +void em28xx_stop_urbs(struct em28xx *dev) +{ + int i; + struct urb *urb; + struct em28xx_usb_bufs *isoc_bufs = &dev->usb_ctl.digital_bufs; + + em28xx_isocdbg("called %s\n", __func__); + + for (i = 0; i < isoc_bufs->num_bufs; i++) { + urb = isoc_bufs->urb[i]; + if (urb) { + if (!irqs_disabled()) + usb_kill_urb(urb); + else + usb_unlink_urb(urb); + } + } + + em28xx_capture_start(dev, 0); +} +EXPORT_SYMBOL_GPL(em28xx_stop_urbs); + +/* + * Allocate URBs + */ +int em28xx_alloc_urbs(struct em28xx *dev, enum em28xx_mode mode, int xfer_bulk, + int num_bufs, int max_pkt_size, int packet_multiplier) +{ + struct em28xx_usb_bufs *usb_bufs; + struct urb *urb; + struct usb_device *udev = interface_to_usbdev(dev->intf); + int i; + int sb_size, pipe; + int j, k; + + em28xx_isocdbg("em28xx: called %s in mode %d\n", __func__, mode); + + /* + * Check mode and if we have an endpoint for the selected + * transfer type, select buffer + */ + if (mode == EM28XX_DIGITAL_MODE) { + if ((xfer_bulk && !dev->dvb_ep_bulk) || + (!xfer_bulk && !dev->dvb_ep_isoc)) { + dev_err(&dev->intf->dev, + "no endpoint for DVB mode and transfer type %d\n", + xfer_bulk > 0); + return -EINVAL; + } + usb_bufs = &dev->usb_ctl.digital_bufs; + } else if (mode == EM28XX_ANALOG_MODE) { + if ((xfer_bulk && !dev->analog_ep_bulk) || + (!xfer_bulk && !dev->analog_ep_isoc)) { + dev_err(&dev->intf->dev, + "no endpoint for analog mode and transfer type %d\n", + xfer_bulk > 0); + return -EINVAL; + } + usb_bufs = &dev->usb_ctl.analog_bufs; + } else { + dev_err(&dev->intf->dev, "invalid mode selected\n"); + return -EINVAL; + } + + /* De-allocates all pending stuff */ + em28xx_uninit_usb_xfer(dev, mode); + + usb_bufs->num_bufs = num_bufs; + + usb_bufs->urb = kcalloc(num_bufs, sizeof(void *), GFP_KERNEL); + if (!usb_bufs->urb) + return -ENOMEM; + + usb_bufs->buf = kcalloc(num_bufs, sizeof(void *), GFP_KERNEL); + if (!usb_bufs->buf) { + kfree(usb_bufs->urb); + return -ENOMEM; + } + + usb_bufs->max_pkt_size = max_pkt_size; + if (xfer_bulk) + usb_bufs->num_packets = 0; + else + usb_bufs->num_packets = packet_multiplier; + dev->usb_ctl.vid_buf = NULL; + dev->usb_ctl.vbi_buf = NULL; + + sb_size = packet_multiplier * usb_bufs->max_pkt_size; + + /* allocate urbs and transfer buffers */ + for (i = 0; i < usb_bufs->num_bufs; i++) { + urb = usb_alloc_urb(usb_bufs->num_packets, GFP_KERNEL); + if (!urb) { + em28xx_uninit_usb_xfer(dev, mode); + return -ENOMEM; + } + usb_bufs->urb[i] = urb; + + usb_bufs->buf[i] = kzalloc(sb_size, GFP_KERNEL); + if (!usb_bufs->buf[i]) { + for (i--; i >= 0; i--) + kfree(usb_bufs->buf[i]); + + em28xx_uninit_usb_xfer(dev, mode); + return -ENOMEM; + } + + urb->transfer_flags = URB_FREE_BUFFER; + + if (xfer_bulk) { /* bulk */ + pipe = usb_rcvbulkpipe(udev, + mode == EM28XX_ANALOG_MODE ? + dev->analog_ep_bulk : + dev->dvb_ep_bulk); + usb_fill_bulk_urb(urb, udev, pipe, usb_bufs->buf[i], + sb_size, em28xx_irq_callback, dev); + } else { /* isoc */ + pipe = usb_rcvisocpipe(udev, + mode == EM28XX_ANALOG_MODE ? + dev->analog_ep_isoc : + dev->dvb_ep_isoc); + usb_fill_int_urb(urb, udev, pipe, usb_bufs->buf[i], + sb_size, em28xx_irq_callback, dev, 1); + urb->transfer_flags |= URB_ISO_ASAP; + k = 0; + for (j = 0; j < usb_bufs->num_packets; j++) { + urb->iso_frame_desc[j].offset = k; + urb->iso_frame_desc[j].length = + usb_bufs->max_pkt_size; + k += usb_bufs->max_pkt_size; + } + } + + urb->number_of_packets = usb_bufs->num_packets; + } + + return 0; +} +EXPORT_SYMBOL_GPL(em28xx_alloc_urbs); + +/* + * Allocate URBs and start IRQ + */ +int em28xx_init_usb_xfer(struct em28xx *dev, enum em28xx_mode mode, + int xfer_bulk, int num_bufs, int max_pkt_size, + int packet_multiplier, + int (*urb_data_copy)(struct em28xx *dev, struct urb *urb)) +{ + struct em28xx_dmaqueue *dma_q = &dev->vidq; + struct em28xx_dmaqueue *vbi_dma_q = &dev->vbiq; + struct em28xx_usb_bufs *usb_bufs; + struct usb_device *udev = interface_to_usbdev(dev->intf); + int i; + int rc; + int alloc; + + em28xx_isocdbg("em28xx: called %s in mode %d\n", __func__, mode); + + dev->usb_ctl.urb_data_copy = urb_data_copy; + + if (mode == EM28XX_DIGITAL_MODE) { + usb_bufs = &dev->usb_ctl.digital_bufs; + /* no need to free/alloc usb buffers in digital mode */ + alloc = 0; + } else { + usb_bufs = &dev->usb_ctl.analog_bufs; + alloc = 1; + } + + if (alloc) { + rc = em28xx_alloc_urbs(dev, mode, xfer_bulk, num_bufs, + max_pkt_size, packet_multiplier); + if (rc) + return rc; + } + + if (xfer_bulk) { + rc = usb_clear_halt(udev, usb_bufs->urb[0]->pipe); + if (rc < 0) { + dev_err(&dev->intf->dev, + "failed to clear USB bulk endpoint stall/halt condition (error=%i)\n", + rc); + em28xx_uninit_usb_xfer(dev, mode); + return rc; + } + } + + init_waitqueue_head(&dma_q->wq); + init_waitqueue_head(&vbi_dma_q->wq); + + em28xx_capture_start(dev, 1); + + /* submit urbs and enables IRQ */ + for (i = 0; i < usb_bufs->num_bufs; i++) { + rc = usb_submit_urb(usb_bufs->urb[i], GFP_KERNEL); + if (rc) { + dev_err(&dev->intf->dev, + "submit of urb %i failed (error=%i)\n", i, rc); + em28xx_uninit_usb_xfer(dev, mode); + return rc; + } + } + + return 0; +} +EXPORT_SYMBOL_GPL(em28xx_init_usb_xfer); + +/* + * Device control list + */ + +static LIST_HEAD(em28xx_devlist); +static DEFINE_MUTEX(em28xx_devlist_mutex); + +/* + * Extension interface + */ + +static LIST_HEAD(em28xx_extension_devlist); + +int em28xx_register_extension(struct em28xx_ops *ops) +{ + struct em28xx *dev = NULL; + + mutex_lock(&em28xx_devlist_mutex); + list_add_tail(&ops->next, &em28xx_extension_devlist); + list_for_each_entry(dev, &em28xx_devlist, devlist) { + if (ops->init) { + ops->init(dev); + if (dev->dev_next) + ops->init(dev->dev_next); + } + } + mutex_unlock(&em28xx_devlist_mutex); + pr_info("em28xx: Registered (%s) extension\n", ops->name); + return 0; +} +EXPORT_SYMBOL(em28xx_register_extension); + +void em28xx_unregister_extension(struct em28xx_ops *ops) +{ + struct em28xx *dev = NULL; + + mutex_lock(&em28xx_devlist_mutex); + list_for_each_entry(dev, &em28xx_devlist, devlist) { + if (ops->fini) { + if (dev->dev_next) + ops->fini(dev->dev_next); + ops->fini(dev); + } + } + list_del(&ops->next); + mutex_unlock(&em28xx_devlist_mutex); + pr_info("em28xx: Removed (%s) extension\n", ops->name); +} +EXPORT_SYMBOL(em28xx_unregister_extension); + +void em28xx_init_extension(struct em28xx *dev) +{ + const struct em28xx_ops *ops = NULL; + + mutex_lock(&em28xx_devlist_mutex); + list_add_tail(&dev->devlist, &em28xx_devlist); + list_for_each_entry(ops, &em28xx_extension_devlist, next) { + if (ops->init) { + ops->init(dev); + if (dev->dev_next) + ops->init(dev->dev_next); + } + } + mutex_unlock(&em28xx_devlist_mutex); +} + +void em28xx_close_extension(struct em28xx *dev) +{ + const struct em28xx_ops *ops = NULL; + + mutex_lock(&em28xx_devlist_mutex); + list_for_each_entry(ops, &em28xx_extension_devlist, next) { + if (ops->fini) { + if (dev->dev_next) + ops->fini(dev->dev_next); + ops->fini(dev); + } + } + list_del(&dev->devlist); + mutex_unlock(&em28xx_devlist_mutex); +} + +int em28xx_suspend_extension(struct em28xx *dev) +{ + const struct em28xx_ops *ops = NULL; + + dev_info(&dev->intf->dev, "Suspending extensions\n"); + mutex_lock(&em28xx_devlist_mutex); + list_for_each_entry(ops, &em28xx_extension_devlist, next) { + if (!ops->suspend) + continue; + ops->suspend(dev); + if (dev->dev_next) + ops->suspend(dev->dev_next); + } + mutex_unlock(&em28xx_devlist_mutex); + return 0; +} + +int em28xx_resume_extension(struct em28xx *dev) +{ + const struct em28xx_ops *ops = NULL; + + dev_info(&dev->intf->dev, "Resuming extensions\n"); + mutex_lock(&em28xx_devlist_mutex); + list_for_each_entry(ops, &em28xx_extension_devlist, next) { + if (!ops->resume) + continue; + ops->resume(dev); + if (dev->dev_next) + ops->resume(dev->dev_next); + } + mutex_unlock(&em28xx_devlist_mutex); + return 0; +} diff --git a/drivers/media/usb/em28xx/em28xx-dvb.c b/drivers/media/usb/em28xx/em28xx-dvb.c new file mode 100644 index 000000000..e1946237a --- /dev/null +++ b/drivers/media/usb/em28xx/em28xx-dvb.c @@ -0,0 +1,2067 @@ +// SPDX-License-Identifier: GPL-2.0 +// +// DVB device driver for em28xx +// +// (c) 2008-2011 Mauro Carvalho Chehab <mchehab@kernel.org> +// +// (c) 2008 Devin Heitmueller <devin.heitmueller@gmail.com> +// - Fixes for the driver to properly work with HVR-950 +// - Fixes for the driver to properly work with Pinnacle PCTV HD Pro Stick +// - Fixes for the driver to properly work with AMD ATI TV Wonder HD 600 +// +// (c) 2008 Aidan Thornton <makosoft@googlemail.com> +// +// (c) 2012 Frank Schäfer <fschaefer.oss@googlemail.com> +// +// Based on cx88-dvb, saa7134-dvb and videobuf-dvb originally written by: +// (c) 2004, 2005 Chris Pascoe <c.pascoe@itee.uq.edu.au> +// (c) 2004 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs] +// +// This program is free software; you can redistribute it and/or modify +// it under the terms of the GNU General Public License as published by +// the Free Software Foundation version 2 of the License. + +#include "em28xx.h" + +#include <linux/kernel.h> +#include <linux/slab.h> +#include <linux/usb.h> + +#include <media/v4l2-common.h> +#include <media/dvb_demux.h> +#include <media/dvb_net.h> +#include <media/dmxdev.h> +#include <media/tuner.h> +#include "tuner-simple.h" +#include <linux/gpio.h> + +#include "lgdt330x.h" +#include "lgdt3305.h" +#include "lgdt3306a.h" +#include "zl10353.h" +#include "s5h1409.h" +#include "mt2060.h" +#include "mt352.h" +#include "mt352_priv.h" /* FIXME */ +#include "tda1002x.h" +#include "drx39xyj/drx39xxj.h" +#include "tda18271.h" +#include "s921.h" +#include "drxd.h" +#include "cxd2820r.h" +#include "tda18271c2dd.h" +#include "drxk.h" +#include "tda10071.h" +#include "tda18212.h" +#include "a8293.h" +#include "qt1010.h" +#include "mb86a20s.h" +#include "m88ds3103.h" +#include "ts2020.h" +#include "si2168.h" +#include "si2157.h" +#include "tc90522.h" +#include "qm1d1c0042.h" + +MODULE_AUTHOR("Mauro Carvalho Chehab <mchehab@kernel.org>"); +MODULE_LICENSE("GPL v2"); +MODULE_DESCRIPTION(DRIVER_DESC " - digital TV interface"); +MODULE_VERSION(EM28XX_VERSION); + +static unsigned int debug; +module_param(debug, int, 0644); +MODULE_PARM_DESC(debug, "enable debug messages [dvb]"); + +DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); + +#define dprintk(level, fmt, arg...) do { \ + if (debug >= level) \ + dev_printk(KERN_DEBUG, &dev->intf->dev, \ + "dvb: " fmt, ## arg); \ +} while (0) + +struct em28xx_dvb { + struct dvb_frontend *fe[2]; + + /* feed count management */ + struct mutex lock; + int nfeeds; + + /* general boilerplate stuff */ + struct dvb_adapter adapter; + struct dvb_demux demux; + struct dmxdev dmxdev; + struct dmx_frontend fe_hw; + struct dmx_frontend fe_mem; + struct dvb_net net; + + /* Due to DRX-K - probably need changes */ + int (*gate_ctrl)(struct dvb_frontend *fe, int gate); + struct semaphore pll_mutex; + bool dont_attach_fe1; + int lna_gpio; + struct i2c_client *i2c_client_demod; + struct i2c_client *i2c_client_tuner; + struct i2c_client *i2c_client_sec; +}; + +static inline void print_err_status(struct em28xx *dev, + int packet, int status) +{ + char *errmsg = "Unknown"; + + switch (status) { + case -ENOENT: + errmsg = "unlinked synchronously"; + break; + case -ECONNRESET: + errmsg = "unlinked asynchronously"; + break; + case -ENOSR: + errmsg = "Buffer error (overrun)"; + break; + case -EPIPE: + errmsg = "Stalled (device not responding)"; + break; + case -EOVERFLOW: + errmsg = "Babble (bad cable?)"; + break; + case -EPROTO: + errmsg = "Bit-stuff error (bad cable?)"; + break; + case -EILSEQ: + errmsg = "CRC/Timeout (could be anything)"; + break; + case -ETIME: + errmsg = "Device does not respond"; + break; + } + if (packet < 0) { + dprintk(1, "URB status %d [%s].\n", status, errmsg); + } else { + dprintk(1, "URB packet %d, status %d [%s].\n", + packet, status, errmsg); + } +} + +static inline int em28xx_dvb_urb_data_copy(struct em28xx *dev, struct urb *urb) +{ + int xfer_bulk, num_packets, i; + + if (!dev) + return 0; + + if (dev->disconnected) + return 0; + + if (urb->status < 0) + print_err_status(dev, -1, urb->status); + + xfer_bulk = usb_pipebulk(urb->pipe); + + if (xfer_bulk) /* bulk */ + num_packets = 1; + else /* isoc */ + num_packets = urb->number_of_packets; + + for (i = 0; i < num_packets; i++) { + if (xfer_bulk) { + if (urb->status < 0) { + print_err_status(dev, i, urb->status); + if (urb->status != -EPROTO) + continue; + } + if (!urb->actual_length) + continue; + dvb_dmx_swfilter(&dev->dvb->demux, urb->transfer_buffer, + urb->actual_length); + } else { + if (urb->iso_frame_desc[i].status < 0) { + print_err_status(dev, i, + urb->iso_frame_desc[i].status); + if (urb->iso_frame_desc[i].status != -EPROTO) + continue; + } + if (!urb->iso_frame_desc[i].actual_length) + continue; + dvb_dmx_swfilter(&dev->dvb->demux, + urb->transfer_buffer + + urb->iso_frame_desc[i].offset, + urb->iso_frame_desc[i].actual_length); + } + } + + return 0; +} + +static int em28xx_start_streaming(struct em28xx_dvb *dvb) +{ + int rc; + struct em28xx_i2c_bus *i2c_bus = dvb->adapter.priv; + struct em28xx *dev = i2c_bus->dev; + struct usb_device *udev = interface_to_usbdev(dev->intf); + int dvb_max_packet_size, packet_multiplier, dvb_alt; + + if (dev->dvb_xfer_bulk) { + if (!dev->dvb_ep_bulk) + return -ENODEV; + dvb_max_packet_size = 512; /* USB 2.0 spec */ + packet_multiplier = EM28XX_DVB_BULK_PACKET_MULTIPLIER; + dvb_alt = 0; + } else { /* isoc */ + if (!dev->dvb_ep_isoc) + return -ENODEV; + dvb_max_packet_size = dev->dvb_max_pkt_size_isoc; + if (dvb_max_packet_size < 0) + return dvb_max_packet_size; + packet_multiplier = EM28XX_DVB_NUM_ISOC_PACKETS; + dvb_alt = dev->dvb_alt_isoc; + } + + if (!dev->board.has_dual_ts) + usb_set_interface(udev, dev->ifnum, dvb_alt); + + rc = em28xx_set_mode(dev, EM28XX_DIGITAL_MODE); + if (rc < 0) + return rc; + + dprintk(1, "Using %d buffers each with %d x %d bytes, alternate %d\n", + EM28XX_DVB_NUM_BUFS, + packet_multiplier, + dvb_max_packet_size, dvb_alt); + + return em28xx_init_usb_xfer(dev, EM28XX_DIGITAL_MODE, + dev->dvb_xfer_bulk, + EM28XX_DVB_NUM_BUFS, + dvb_max_packet_size, + packet_multiplier, + em28xx_dvb_urb_data_copy); +} + +static int em28xx_stop_streaming(struct em28xx_dvb *dvb) +{ + struct em28xx_i2c_bus *i2c_bus = dvb->adapter.priv; + struct em28xx *dev = i2c_bus->dev; + + em28xx_stop_urbs(dev); + + return 0; +} + +static int em28xx_start_feed(struct dvb_demux_feed *feed) +{ + struct dvb_demux *demux = feed->demux; + struct em28xx_dvb *dvb = demux->priv; + int rc, ret; + + if (!demux->dmx.frontend) + return -EINVAL; + + mutex_lock(&dvb->lock); + dvb->nfeeds++; + rc = dvb->nfeeds; + + if (dvb->nfeeds == 1) { + ret = em28xx_start_streaming(dvb); + if (ret < 0) + rc = ret; + } + + mutex_unlock(&dvb->lock); + return rc; +} + +static int em28xx_stop_feed(struct dvb_demux_feed *feed) +{ + struct dvb_demux *demux = feed->demux; + struct em28xx_dvb *dvb = demux->priv; + int err = 0; + + mutex_lock(&dvb->lock); + dvb->nfeeds--; + + if (!dvb->nfeeds) + err = em28xx_stop_streaming(dvb); + + mutex_unlock(&dvb->lock); + return err; +} + +/* ------------------------------------------------------------------ */ +static int em28xx_dvb_bus_ctrl(struct dvb_frontend *fe, int acquire) +{ + struct em28xx_i2c_bus *i2c_bus = fe->dvb->priv; + struct em28xx *dev = i2c_bus->dev; + + if (acquire) + return em28xx_set_mode(dev, EM28XX_DIGITAL_MODE); + else + return em28xx_set_mode(dev, EM28XX_SUSPEND); +} + +/* ------------------------------------------------------------------ */ + +static struct lgdt330x_config em2880_lgdt3303_dev = { + .demod_chip = LGDT3303, +}; + +static struct lgdt3305_config em2870_lgdt3304_dev = { + .i2c_addr = 0x0e, + .demod_chip = LGDT3304, + .spectral_inversion = 1, + .deny_i2c_rptr = 1, + .mpeg_mode = LGDT3305_MPEG_PARALLEL, + .tpclk_edge = LGDT3305_TPCLK_FALLING_EDGE, + .tpvalid_polarity = LGDT3305_TP_VALID_HIGH, + .vsb_if_khz = 3250, + .qam_if_khz = 4000, +}; + +static struct lgdt3305_config em2874_lgdt3305_dev = { + .i2c_addr = 0x0e, + .demod_chip = LGDT3305, + .spectral_inversion = 1, + .deny_i2c_rptr = 0, + .mpeg_mode = LGDT3305_MPEG_SERIAL, + .tpclk_edge = LGDT3305_TPCLK_FALLING_EDGE, + .tpvalid_polarity = LGDT3305_TP_VALID_HIGH, + .vsb_if_khz = 3250, + .qam_if_khz = 4000, +}; + +static struct lgdt3305_config em2874_lgdt3305_nogate_dev = { + .i2c_addr = 0x0e, + .demod_chip = LGDT3305, + .spectral_inversion = 1, + .deny_i2c_rptr = 1, + .mpeg_mode = LGDT3305_MPEG_SERIAL, + .tpclk_edge = LGDT3305_TPCLK_FALLING_EDGE, + .tpvalid_polarity = LGDT3305_TP_VALID_HIGH, + .vsb_if_khz = 3600, + .qam_if_khz = 3600, +}; + +static struct s921_config sharp_isdbt = { + .demod_address = 0x30 >> 1 +}; + +static struct zl10353_config em28xx_zl10353_with_xc3028 = { + .demod_address = (0x1e >> 1), + .no_tuner = 1, + .parallel_ts = 1, + .if2 = 45600, +}; + +static struct s5h1409_config em28xx_s5h1409_with_xc3028 = { + .demod_address = 0x32 >> 1, + .output_mode = S5H1409_PARALLEL_OUTPUT, + .gpio = S5H1409_GPIO_OFF, + .inversion = S5H1409_INVERSION_OFF, + .status_mode = S5H1409_DEMODLOCKING, + .mpeg_timing = S5H1409_MPEGTIMING_CONTINUOUS_NONINVERTING_CLOCK +}; + +static struct tda18271_std_map kworld_a340_std_map = { + .atsc_6 = { .if_freq = 3250, .agc_mode = 3, .std = 0, + .if_lvl = 1, .rfagc_top = 0x37, }, + .qam_6 = { .if_freq = 4000, .agc_mode = 3, .std = 1, + .if_lvl = 1, .rfagc_top = 0x37, }, +}; + +static struct tda18271_config kworld_a340_config = { + .std_map = &kworld_a340_std_map, +}; + +static struct tda18271_config kworld_ub435q_v2_config = { + .std_map = &kworld_a340_std_map, + .gate = TDA18271_GATE_DIGITAL, +}; + +static struct tda18212_config kworld_ub435q_v3_config = { + .if_atsc_vsb = 3600, + .if_atsc_qam = 3600, +}; + +static struct zl10353_config em28xx_zl10353_xc3028_no_i2c_gate = { + .demod_address = (0x1e >> 1), + .no_tuner = 1, + .disable_i2c_gate_ctrl = 1, + .parallel_ts = 1, + .if2 = 45600, +}; + +static struct drxd_config em28xx_drxd = { + .demod_address = 0x70, + .demod_revision = 0xa2, + .pll_type = DRXD_PLL_NONE, + .clock = 12000, + .insert_rs_byte = 1, + .IF = 42800000, + .disable_i2c_gate_ctrl = 1, +}; + +static struct drxk_config terratec_h5_drxk = { + .adr = 0x29, + .single_master = 1, + .no_i2c_bridge = 1, + .microcode_name = "dvb-usb-terratec-h5-drxk.fw", + .qam_demod_parameter_count = 2, +}; + +static struct drxk_config hauppauge_930c_drxk = { + .adr = 0x29, + .single_master = 1, + .no_i2c_bridge = 1, + .microcode_name = "dvb-usb-hauppauge-hvr930c-drxk.fw", + .chunk_size = 56, + .qam_demod_parameter_count = 2, +}; + +static struct drxk_config terratec_htc_stick_drxk = { + .adr = 0x29, + .single_master = 1, + .no_i2c_bridge = 1, + .microcode_name = "dvb-usb-terratec-htc-stick-drxk.fw", + .chunk_size = 54, + .qam_demod_parameter_count = 2, + /* Required for the antenna_gpio to disable LNA. */ + .antenna_dvbt = true, + /* The windows driver uses the same. This will disable LNA. */ + .antenna_gpio = 0x6, +}; + +static struct drxk_config maxmedia_ub425_tc_drxk = { + .adr = 0x29, + .single_master = 1, + .no_i2c_bridge = 1, + .microcode_name = "dvb-demod-drxk-01.fw", + .chunk_size = 62, + .qam_demod_parameter_count = 2, +}; + +static struct drxk_config pctv_520e_drxk = { + .adr = 0x29, + .single_master = 1, + .microcode_name = "dvb-demod-drxk-pctv.fw", + .qam_demod_parameter_count = 2, + .chunk_size = 58, + .antenna_dvbt = true, /* disable LNA */ + .antenna_gpio = (1 << 2), /* disable LNA */ +}; + +static int drxk_gate_ctrl(struct dvb_frontend *fe, int enable) +{ + struct em28xx_dvb *dvb = fe->sec_priv; + int status; + + if (!dvb) + return -EINVAL; + + if (enable) { + down(&dvb->pll_mutex); + status = dvb->gate_ctrl(fe, 1); + } else { + status = dvb->gate_ctrl(fe, 0); + up(&dvb->pll_mutex); + } + return status; +} + +static void hauppauge_hvr930c_init(struct em28xx *dev) +{ + int i; + + struct em28xx_reg_seq hauppauge_hvr930c_init[] = { + {EM2874_R80_GPIO_P0_CTRL, 0xff, 0xff, 0x65}, + {EM2874_R80_GPIO_P0_CTRL, 0xfb, 0xff, 0x32}, + {EM2874_R80_GPIO_P0_CTRL, 0xff, 0xff, 0xb8}, + { -1, -1, -1, -1}, + }; + struct em28xx_reg_seq hauppauge_hvr930c_end[] = { + {EM2874_R80_GPIO_P0_CTRL, 0xef, 0xff, 0x01}, + {EM2874_R80_GPIO_P0_CTRL, 0xaf, 0xff, 0x65}, + {EM2874_R80_GPIO_P0_CTRL, 0xef, 0xff, 0x76}, + {EM2874_R80_GPIO_P0_CTRL, 0xef, 0xff, 0x01}, + {EM2874_R80_GPIO_P0_CTRL, 0xcf, 0xff, 0x0b}, + {EM2874_R80_GPIO_P0_CTRL, 0xef, 0xff, 0x40}, + + {EM2874_R80_GPIO_P0_CTRL, 0xcf, 0xff, 0x65}, + {EM2874_R80_GPIO_P0_CTRL, 0xef, 0xff, 0x65}, + {EM2874_R80_GPIO_P0_CTRL, 0xcf, 0xff, 0x0b}, + {EM2874_R80_GPIO_P0_CTRL, 0xef, 0xff, 0x65}, + + { -1, -1, -1, -1}, + }; + + struct { + unsigned char r[4]; + int len; + } regs[] = { + {{ 0x06, 0x02, 0x00, 0x31 }, 4}, + {{ 0x01, 0x02 }, 2}, + {{ 0x01, 0x02, 0x00, 0xc6 }, 4}, + {{ 0x01, 0x00 }, 2}, + {{ 0x01, 0x00, 0xff, 0xaf }, 4}, + {{ 0x01, 0x00, 0x03, 0xa0 }, 4}, + {{ 0x01, 0x00 }, 2}, + {{ 0x01, 0x00, 0x73, 0xaf }, 4}, + {{ 0x04, 0x00 }, 2}, + {{ 0x00, 0x04 }, 2}, + {{ 0x00, 0x04, 0x00, 0x0a }, 4}, + {{ 0x04, 0x14 }, 2}, + {{ 0x04, 0x14, 0x00, 0x00 }, 4}, + }; + + em28xx_gpio_set(dev, hauppauge_hvr930c_init); + em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40); + usleep_range(10000, 11000); + em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x44); + usleep_range(10000, 11000); + + dev->i2c_client[dev->def_i2c_bus].addr = 0x82 >> 1; + + for (i = 0; i < ARRAY_SIZE(regs); i++) + i2c_master_send(&dev->i2c_client[dev->def_i2c_bus], + regs[i].r, regs[i].len); + em28xx_gpio_set(dev, hauppauge_hvr930c_end); + + msleep(100); + + em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x44); + msleep(30); + + em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x45); + usleep_range(10000, 11000); +} + +static void terratec_h5_init(struct em28xx *dev) +{ + int i; + struct em28xx_reg_seq terratec_h5_init[] = { + {EM2820_R08_GPIO_CTRL, 0xff, 0xff, 10}, + {EM2874_R80_GPIO_P0_CTRL, 0xf6, 0xff, 100}, + {EM2874_R80_GPIO_P0_CTRL, 0xf2, 0xff, 50}, + {EM2874_R80_GPIO_P0_CTRL, 0xf6, 0xff, 100}, + { -1, -1, -1, -1}, + }; + struct em28xx_reg_seq terratec_h5_end[] = { + {EM2874_R80_GPIO_P0_CTRL, 0xe6, 0xff, 100}, + {EM2874_R80_GPIO_P0_CTRL, 0xa6, 0xff, 50}, + {EM2874_R80_GPIO_P0_CTRL, 0xe6, 0xff, 100}, + { -1, -1, -1, -1}, + }; + struct { + unsigned char r[4]; + int len; + } regs[] = { + {{ 0x06, 0x02, 0x00, 0x31 }, 4}, + {{ 0x01, 0x02 }, 2}, + {{ 0x01, 0x02, 0x00, 0xc6 }, 4}, + {{ 0x01, 0x00 }, 2}, + {{ 0x01, 0x00, 0xff, 0xaf }, 4}, + {{ 0x01, 0x00, 0x03, 0xa0 }, 4}, + {{ 0x01, 0x00 }, 2}, + {{ 0x01, 0x00, 0x73, 0xaf }, 4}, + {{ 0x04, 0x00 }, 2}, + {{ 0x00, 0x04 }, 2}, + {{ 0x00, 0x04, 0x00, 0x0a }, 4}, + {{ 0x04, 0x14 }, 2}, + {{ 0x04, 0x14, 0x00, 0x00 }, 4}, + }; + + em28xx_gpio_set(dev, terratec_h5_init); + em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40); + usleep_range(10000, 11000); + em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x45); + usleep_range(10000, 11000); + + dev->i2c_client[dev->def_i2c_bus].addr = 0x82 >> 1; + + for (i = 0; i < ARRAY_SIZE(regs); i++) + i2c_master_send(&dev->i2c_client[dev->def_i2c_bus], + regs[i].r, regs[i].len); + em28xx_gpio_set(dev, terratec_h5_end); +}; + +static void terratec_htc_stick_init(struct em28xx *dev) +{ + int i; + + /* + * GPIO configuration: + * 0xff: unknown (does not affect DVB-T). + * 0xf6: DRX-K (demodulator). + * 0xe6: unknown (does not affect DVB-T). + * 0xb6: unknown (does not affect DVB-T). + */ + struct em28xx_reg_seq terratec_htc_stick_init[] = { + {EM2820_R08_GPIO_CTRL, 0xff, 0xff, 10}, + {EM2874_R80_GPIO_P0_CTRL, 0xf6, 0xff, 100}, + {EM2874_R80_GPIO_P0_CTRL, 0xe6, 0xff, 50}, + {EM2874_R80_GPIO_P0_CTRL, 0xf6, 0xff, 100}, + { -1, -1, -1, -1}, + }; + struct em28xx_reg_seq terratec_htc_stick_end[] = { + {EM2874_R80_GPIO_P0_CTRL, 0xb6, 0xff, 100}, + {EM2874_R80_GPIO_P0_CTRL, 0xf6, 0xff, 50}, + { -1, -1, -1, -1}, + }; + + /* + * Init the analog decoder (not yet supported), but + * it's probably still a good idea. + */ + struct { + unsigned char r[4]; + int len; + } regs[] = { + {{ 0x06, 0x02, 0x00, 0x31 }, 4}, + {{ 0x01, 0x02 }, 2}, + {{ 0x01, 0x02, 0x00, 0xc6 }, 4}, + {{ 0x01, 0x00 }, 2}, + {{ 0x01, 0x00, 0xff, 0xaf }, 4}, + }; + + em28xx_gpio_set(dev, terratec_htc_stick_init); + + em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40); + usleep_range(10000, 11000); + em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x44); + usleep_range(10000, 11000); + + dev->i2c_client[dev->def_i2c_bus].addr = 0x82 >> 1; + + for (i = 0; i < ARRAY_SIZE(regs); i++) + i2c_master_send(&dev->i2c_client[dev->def_i2c_bus], + regs[i].r, regs[i].len); + + em28xx_gpio_set(dev, terratec_htc_stick_end); +}; + +static void terratec_htc_usb_xs_init(struct em28xx *dev) +{ + int i; + + struct em28xx_reg_seq terratec_htc_usb_xs_init[] = { + {EM2820_R08_GPIO_CTRL, 0xff, 0xff, 10}, + {EM2874_R80_GPIO_P0_CTRL, 0xb2, 0xff, 100}, + {EM2874_R80_GPIO_P0_CTRL, 0xb2, 0xff, 50}, + {EM2874_R80_GPIO_P0_CTRL, 0xb6, 0xff, 100}, + { -1, -1, -1, -1}, + }; + struct em28xx_reg_seq terratec_htc_usb_xs_end[] = { + {EM2874_R80_GPIO_P0_CTRL, 0xa6, 0xff, 100}, + {EM2874_R80_GPIO_P0_CTRL, 0xa6, 0xff, 50}, + {EM2874_R80_GPIO_P0_CTRL, 0xe6, 0xff, 100}, + { -1, -1, -1, -1}, + }; + + /* + * Init the analog decoder (not yet supported), but + * it's probably still a good idea. + */ + struct { + unsigned char r[4]; + int len; + } regs[] = { + {{ 0x06, 0x02, 0x00, 0x31 }, 4}, + {{ 0x01, 0x02 }, 2}, + {{ 0x01, 0x02, 0x00, 0xc6 }, 4}, + {{ 0x01, 0x00 }, 2}, + {{ 0x01, 0x00, 0xff, 0xaf }, 4}, + {{ 0x01, 0x00, 0x03, 0xa0 }, 4}, + {{ 0x01, 0x00 }, 2}, + {{ 0x01, 0x00, 0x73, 0xaf }, 4}, + {{ 0x04, 0x00 }, 2}, + {{ 0x00, 0x04 }, 2}, + {{ 0x00, 0x04, 0x00, 0x0a }, 4}, + {{ 0x04, 0x14 }, 2}, + {{ 0x04, 0x14, 0x00, 0x00 }, 4}, + }; + + em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40); + + em28xx_gpio_set(dev, terratec_htc_usb_xs_init); + + em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40); + usleep_range(10000, 11000); + em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x44); + usleep_range(10000, 11000); + + dev->i2c_client[dev->def_i2c_bus].addr = 0x82 >> 1; + + for (i = 0; i < ARRAY_SIZE(regs); i++) + i2c_master_send(&dev->i2c_client[dev->def_i2c_bus], + regs[i].r, regs[i].len); + + em28xx_gpio_set(dev, terratec_htc_usb_xs_end); +}; + +static void pctv_520e_init(struct em28xx *dev) +{ + /* + * Init AVF4910B analog decoder. Looks like I2C traffic to + * digital demodulator and tuner are routed via AVF4910B. + */ + int i; + struct { + unsigned char r[4]; + int len; + } regs[] = { + {{ 0x06, 0x02, 0x00, 0x31 }, 4}, + {{ 0x01, 0x02 }, 2}, + {{ 0x01, 0x02, 0x00, 0xc6 }, 4}, + {{ 0x01, 0x00 }, 2}, + {{ 0x01, 0x00, 0xff, 0xaf }, 4}, + {{ 0x01, 0x00, 0x03, 0xa0 }, 4}, + {{ 0x01, 0x00 }, 2}, + {{ 0x01, 0x00, 0x73, 0xaf }, 4}, + }; + + dev->i2c_client[dev->def_i2c_bus].addr = 0x82 >> 1; /* 0x41 */ + + for (i = 0; i < ARRAY_SIZE(regs); i++) + i2c_master_send(&dev->i2c_client[dev->def_i2c_bus], + regs[i].r, regs[i].len); +}; + +static int em28xx_pctv_290e_set_lna(struct dvb_frontend *fe) +{ + struct dtv_frontend_properties *c = &fe->dtv_property_cache; + struct em28xx_i2c_bus *i2c_bus = fe->dvb->priv; + struct em28xx *dev = i2c_bus->dev; +#ifdef CONFIG_GPIOLIB + struct em28xx_dvb *dvb = dev->dvb; + int ret; + unsigned long flags; + + if (c->lna == 1) + flags = GPIOF_OUT_INIT_HIGH; /* enable LNA */ + else + flags = GPIOF_OUT_INIT_LOW; /* disable LNA */ + + ret = gpio_request_one(dvb->lna_gpio, flags, NULL); + if (ret) + dev_err(&dev->intf->dev, "gpio request failed %d\n", ret); + else + gpio_free(dvb->lna_gpio); + + return ret; +#else + dev_warn(&dev->intf->dev, "%s: LNA control is disabled (lna=%u)\n", + KBUILD_MODNAME, c->lna); + return 0; +#endif +} + +static int em28xx_pctv_292e_set_lna(struct dvb_frontend *fe) +{ + struct dtv_frontend_properties *c = &fe->dtv_property_cache; + struct em28xx_i2c_bus *i2c_bus = fe->dvb->priv; + struct em28xx *dev = i2c_bus->dev; + u8 lna; + + if (c->lna == 1) + lna = 0x01; + else + lna = 0x00; + + return em28xx_write_reg_bits(dev, EM2874_R80_GPIO_P0_CTRL, lna, 0x01); +} + +static int em28xx_mt352_terratec_xs_init(struct dvb_frontend *fe) +{ + /* Values extracted from a USB trace of the Terratec Windows driver */ + static u8 clock_config[] = { CLOCK_CTL, 0x38, 0x2c }; + static u8 reset[] = { RESET, 0x80 }; + static u8 adc_ctl_1_cfg[] = { ADC_CTL_1, 0x40 }; + static u8 agc_cfg[] = { AGC_TARGET, 0x28, 0xa0 }; + static u8 input_freq_cfg[] = { INPUT_FREQ_1, 0x31, 0xb8 }; + static u8 rs_err_cfg[] = { RS_ERR_PER_1, 0x00, 0x4d }; + static u8 capt_range_cfg[] = { CAPT_RANGE, 0x32 }; + static u8 trl_nom_cfg[] = { TRL_NOMINAL_RATE_1, 0x64, 0x00 }; + static u8 tps_given_cfg[] = { TPS_GIVEN_1, 0x40, 0x80, 0x50 }; + static u8 tuner_go[] = { TUNER_GO, 0x01}; + + mt352_write(fe, clock_config, sizeof(clock_config)); + usleep_range(200, 250); + mt352_write(fe, reset, sizeof(reset)); + mt352_write(fe, adc_ctl_1_cfg, sizeof(adc_ctl_1_cfg)); + mt352_write(fe, agc_cfg, sizeof(agc_cfg)); + mt352_write(fe, input_freq_cfg, sizeof(input_freq_cfg)); + mt352_write(fe, rs_err_cfg, sizeof(rs_err_cfg)); + mt352_write(fe, capt_range_cfg, sizeof(capt_range_cfg)); + mt352_write(fe, trl_nom_cfg, sizeof(trl_nom_cfg)); + mt352_write(fe, tps_given_cfg, sizeof(tps_given_cfg)); + mt352_write(fe, tuner_go, sizeof(tuner_go)); + return 0; +} + +static void px_bcud_init(struct em28xx *dev) +{ + int i; + struct { + unsigned char r[4]; + int len; + } regs1[] = { + {{ 0x0e, 0x77 }, 2}, + {{ 0x0f, 0x77 }, 2}, + {{ 0x03, 0x90 }, 2}, + }, regs2[] = { + {{ 0x07, 0x01 }, 2}, + {{ 0x08, 0x10 }, 2}, + {{ 0x13, 0x00 }, 2}, + {{ 0x17, 0x00 }, 2}, + {{ 0x03, 0x01 }, 2}, + {{ 0x10, 0xb1 }, 2}, + {{ 0x11, 0x40 }, 2}, + {{ 0x85, 0x7a }, 2}, + {{ 0x87, 0x04 }, 2}, + }; + static struct em28xx_reg_seq gpio[] = { + {EM28XX_R06_I2C_CLK, 0x40, 0xff, 300}, + {EM2874_R80_GPIO_P0_CTRL, 0xfd, 0xff, 60}, + {EM28XX_R15_RGAIN, 0x20, 0xff, 0}, + {EM28XX_R16_GGAIN, 0x20, 0xff, 0}, + {EM28XX_R17_BGAIN, 0x20, 0xff, 0}, + {EM28XX_R18_ROFFSET, 0x00, 0xff, 0}, + {EM28XX_R19_GOFFSET, 0x00, 0xff, 0}, + {EM28XX_R1A_BOFFSET, 0x00, 0xff, 0}, + {EM28XX_R23_UOFFSET, 0x00, 0xff, 0}, + {EM28XX_R24_VOFFSET, 0x00, 0xff, 0}, + {EM28XX_R26_COMPR, 0x00, 0xff, 0}, + {0x13, 0x08, 0xff, 0}, + {EM28XX_R12_VINENABLE, 0x27, 0xff, 0}, + {EM28XX_R0C_USBSUSP, 0x10, 0xff, 0}, + {EM28XX_R27_OUTFMT, 0x00, 0xff, 0}, + {EM28XX_R10_VINMODE, 0x00, 0xff, 0}, + {EM28XX_R11_VINCTRL, 0x11, 0xff, 0}, + {EM2874_R50_IR_CONFIG, 0x01, 0xff, 0}, + {EM2874_R5F_TS_ENABLE, 0x80, 0xff, 0}, + {EM28XX_R06_I2C_CLK, 0x46, 0xff, 0}, + }; + em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x46); + /* sleeping ISDB-T */ + dev->dvb->i2c_client_demod->addr = 0x14; + for (i = 0; i < ARRAY_SIZE(regs1); i++) + i2c_master_send(dev->dvb->i2c_client_demod, + regs1[i].r, regs1[i].len); + /* sleeping ISDB-S */ + dev->dvb->i2c_client_demod->addr = 0x15; + for (i = 0; i < ARRAY_SIZE(regs2); i++) + i2c_master_send(dev->dvb->i2c_client_demod, regs2[i].r, + regs2[i].len); + for (i = 0; i < ARRAY_SIZE(gpio); i++) { + em28xx_write_reg_bits(dev, gpio[i].reg, gpio[i].val, + gpio[i].mask); + if (gpio[i].sleep > 0) + msleep(gpio[i].sleep); + } +}; + +static struct mt352_config terratec_xs_mt352_cfg = { + .demod_address = (0x1e >> 1), + .no_tuner = 1, + .if2 = 45600, + .demod_init = em28xx_mt352_terratec_xs_init, +}; + +static struct tda10023_config em28xx_tda10023_config = { + .demod_address = 0x0c, + .invert = 1, +}; + +static struct cxd2820r_config em28xx_cxd2820r_config = { + .i2c_address = (0xd8 >> 1), + .ts_mode = CXD2820R_TS_SERIAL, +}; + +static struct tda18271_config em28xx_cxd2820r_tda18271_config = { + .output_opt = TDA18271_OUTPUT_LT_OFF, + .gate = TDA18271_GATE_DIGITAL, +}; + +static struct zl10353_config em28xx_zl10353_no_i2c_gate_dev = { + .demod_address = (0x1e >> 1), + .disable_i2c_gate_ctrl = 1, + .no_tuner = 1, + .parallel_ts = 1, +}; + +static struct mt2060_config em28xx_mt2060_config = { + .i2c_address = 0x60, +}; + +static struct qt1010_config em28xx_qt1010_config = { + .i2c_address = 0x62 +}; + +static const struct mb86a20s_config c3tech_duo_mb86a20s_config = { + .demod_address = 0x10, + .is_serial = true, +}; + +static struct tda18271_std_map mb86a20s_tda18271_config = { + .dvbt_6 = { .if_freq = 4000, .agc_mode = 3, .std = 4, + .if_lvl = 1, .rfagc_top = 0x37, }, +}; + +static struct tda18271_config c3tech_duo_tda18271_config = { + .std_map = &mb86a20s_tda18271_config, + .gate = TDA18271_GATE_DIGITAL, + .small_i2c = TDA18271_03_BYTE_CHUNK_INIT, +}; + +static struct tda18271_std_map drx_j_std_map = { + .atsc_6 = { .if_freq = 5000, .agc_mode = 3, .std = 0, .if_lvl = 1, + .rfagc_top = 0x37, }, + .qam_6 = { .if_freq = 5380, .agc_mode = 3, .std = 3, .if_lvl = 1, + .rfagc_top = 0x37, }, +}; + +static struct tda18271_config pinnacle_80e_dvb_config = { + .std_map = &drx_j_std_map, + .gate = TDA18271_GATE_DIGITAL, + .role = TDA18271_MASTER, +}; + +static struct lgdt3306a_config hauppauge_01595_lgdt3306a_config = { + .qam_if_khz = 4000, + .vsb_if_khz = 3250, + .spectral_inversion = 0, + .deny_i2c_rptr = 0, + .mpeg_mode = LGDT3306A_MPEG_SERIAL, + .tpclk_edge = LGDT3306A_TPCLK_RISING_EDGE, + .tpvalid_polarity = LGDT3306A_TP_VALID_HIGH, + .xtalMHz = 25, +}; + +/* ------------------------------------------------------------------ */ + +static noinline_for_stack int em28xx_attach_xc3028(u8 addr, struct em28xx *dev) +{ + struct dvb_frontend *fe; + struct xc2028_config cfg; + struct xc2028_ctrl ctl; + + memset(&cfg, 0, sizeof(cfg)); + cfg.i2c_adap = &dev->i2c_adap[dev->def_i2c_bus]; + cfg.i2c_addr = addr; + + memset(&ctl, 0, sizeof(ctl)); + em28xx_setup_xc3028(dev, &ctl); + cfg.ctrl = &ctl; + + if (!dev->dvb->fe[0]) { + dev_err(&dev->intf->dev, + "dvb frontend not attached. Can't attach xc3028\n"); + return -EINVAL; + } + + fe = dvb_attach(xc2028_attach, dev->dvb->fe[0], &cfg); + if (!fe) { + dev_err(&dev->intf->dev, "xc3028 attach failed\n"); + dvb_frontend_detach(dev->dvb->fe[0]); + dev->dvb->fe[0] = NULL; + return -EINVAL; + } + + dev_info(&dev->intf->dev, "xc3028 attached\n"); + + return 0; +} + +/* ------------------------------------------------------------------ */ + +static int em28xx_register_dvb(struct em28xx_dvb *dvb, struct module *module, + struct em28xx *dev, struct device *device) +{ + int result; + bool create_rf_connector = false; + + mutex_init(&dvb->lock); + + /* register adapter */ + result = dvb_register_adapter(&dvb->adapter, + dev_name(&dev->intf->dev), module, + device, adapter_nr); + if (result < 0) { + dev_warn(&dev->intf->dev, + "dvb_register_adapter failed (errno = %d)\n", + result); + goto fail_adapter; + } +#ifdef CONFIG_MEDIA_CONTROLLER_DVB + dvb->adapter.mdev = dev->media_dev; +#endif + + /* Ensure all frontends negotiate bus access */ + dvb->fe[0]->ops.ts_bus_ctrl = em28xx_dvb_bus_ctrl; + if (dvb->fe[1]) + dvb->fe[1]->ops.ts_bus_ctrl = em28xx_dvb_bus_ctrl; + + dvb->adapter.priv = &dev->i2c_bus[dev->def_i2c_bus]; + + /* register frontend */ + result = dvb_register_frontend(&dvb->adapter, dvb->fe[0]); + if (result < 0) { + dev_warn(&dev->intf->dev, + "dvb_register_frontend failed (errno = %d)\n", + result); + goto fail_frontend0; + } + + /* register 2nd frontend */ + if (dvb->fe[1]) { + result = dvb_register_frontend(&dvb->adapter, dvb->fe[1]); + if (result < 0) { + dev_warn(&dev->intf->dev, + "2nd dvb_register_frontend failed (errno = %d)\n", + result); + goto fail_frontend1; + } + } + + /* register demux stuff */ + dvb->demux.dmx.capabilities = + DMX_TS_FILTERING | DMX_SECTION_FILTERING | + DMX_MEMORY_BASED_FILTERING; + dvb->demux.priv = dvb; + dvb->demux.filternum = 256; + dvb->demux.feednum = 256; + dvb->demux.start_feed = em28xx_start_feed; + dvb->demux.stop_feed = em28xx_stop_feed; + + result = dvb_dmx_init(&dvb->demux); + if (result < 0) { + dev_warn(&dev->intf->dev, + "dvb_dmx_init failed (errno = %d)\n", + result); + goto fail_dmx; + } + + dvb->dmxdev.filternum = 256; + dvb->dmxdev.demux = &dvb->demux.dmx; + dvb->dmxdev.capabilities = 0; + result = dvb_dmxdev_init(&dvb->dmxdev, &dvb->adapter); + if (result < 0) { + dev_warn(&dev->intf->dev, + "dvb_dmxdev_init failed (errno = %d)\n", + result); + goto fail_dmxdev; + } + + dvb->fe_hw.source = DMX_FRONTEND_0; + result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_hw); + if (result < 0) { + dev_warn(&dev->intf->dev, + "add_frontend failed (DMX_FRONTEND_0, errno = %d)\n", + result); + goto fail_fe_hw; + } + + dvb->fe_mem.source = DMX_MEMORY_FE; + result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_mem); + if (result < 0) { + dev_warn(&dev->intf->dev, + "add_frontend failed (DMX_MEMORY_FE, errno = %d)\n", + result); + goto fail_fe_mem; + } + + result = dvb->demux.dmx.connect_frontend(&dvb->demux.dmx, &dvb->fe_hw); + if (result < 0) { + dev_warn(&dev->intf->dev, + "connect_frontend failed (errno = %d)\n", + result); + goto fail_fe_conn; + } + + /* register network adapter */ + dvb_net_init(&dvb->adapter, &dvb->net, &dvb->demux.dmx); + + /* If the analog part won't create RF connectors, DVB will do it */ + if (!dev->has_video || dev->tuner_type == TUNER_ABSENT) + create_rf_connector = true; + + result = dvb_create_media_graph(&dvb->adapter, create_rf_connector); + if (result < 0) + goto fail_create_graph; + + return 0; + +fail_create_graph: + dvb_net_release(&dvb->net); +fail_fe_conn: + dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem); +fail_fe_mem: + dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw); +fail_fe_hw: + dvb_dmxdev_release(&dvb->dmxdev); +fail_dmxdev: + dvb_dmx_release(&dvb->demux); +fail_dmx: + if (dvb->fe[1]) + dvb_unregister_frontend(dvb->fe[1]); + dvb_unregister_frontend(dvb->fe[0]); +fail_frontend1: + if (dvb->fe[1]) + dvb_frontend_detach(dvb->fe[1]); +fail_frontend0: + dvb_frontend_detach(dvb->fe[0]); + dvb_unregister_adapter(&dvb->adapter); +fail_adapter: + return result; +} + +static void em28xx_unregister_dvb(struct em28xx_dvb *dvb) +{ + dvb_net_release(&dvb->net); + dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem); + dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw); + dvb_dmxdev_release(&dvb->dmxdev); + dvb_dmx_release(&dvb->demux); + if (dvb->fe[1]) + dvb_unregister_frontend(dvb->fe[1]); + dvb_unregister_frontend(dvb->fe[0]); + if (dvb->fe[1] && !dvb->dont_attach_fe1) + dvb_frontend_detach(dvb->fe[1]); + dvb_frontend_detach(dvb->fe[0]); + dvb_unregister_adapter(&dvb->adapter); +} + +static int em28174_dvb_init_pctv_460e(struct em28xx *dev) +{ + struct em28xx_dvb *dvb = dev->dvb; + struct tda10071_platform_data tda10071_pdata = {}; + struct a8293_platform_data a8293_pdata = {}; + + /* attach demod + tuner combo */ + tda10071_pdata.clk = 40444000; /* 40.444 MHz */ + tda10071_pdata.i2c_wr_max = 64; + tda10071_pdata.ts_mode = TDA10071_TS_SERIAL; + tda10071_pdata.pll_multiplier = 20; + tda10071_pdata.tuner_i2c_addr = 0x14; + + dvb->i2c_client_demod = dvb_module_probe("tda10071", "tda10071_cx24118", + &dev->i2c_adap[dev->def_i2c_bus], + 0x55, &tda10071_pdata); + if (!dvb->i2c_client_demod) + return -ENODEV; + + dvb->fe[0] = tda10071_pdata.get_dvb_frontend(dvb->i2c_client_demod); + + /* attach SEC */ + a8293_pdata.dvb_frontend = dvb->fe[0]; + + dvb->i2c_client_sec = dvb_module_probe("a8293", NULL, + &dev->i2c_adap[dev->def_i2c_bus], + 0x08, &a8293_pdata); + if (!dvb->i2c_client_sec) { + dvb_module_release(dvb->i2c_client_demod); + return -ENODEV; + } + + return 0; +} + +static int em28178_dvb_init_pctv_461e(struct em28xx *dev) +{ + struct em28xx_dvb *dvb = dev->dvb; + struct i2c_adapter *i2c_adapter; + struct m88ds3103_platform_data m88ds3103_pdata = {}; + struct ts2020_config ts2020_config = {}; + struct a8293_platform_data a8293_pdata = {}; + + /* attach demod */ + m88ds3103_pdata.clk = 27000000; + m88ds3103_pdata.i2c_wr_max = 33; + m88ds3103_pdata.ts_mode = M88DS3103_TS_PARALLEL; + m88ds3103_pdata.ts_clk = 16000; + m88ds3103_pdata.ts_clk_pol = 1; + m88ds3103_pdata.agc = 0x99; + + dvb->i2c_client_demod = dvb_module_probe("m88ds3103", NULL, + &dev->i2c_adap[dev->def_i2c_bus], + 0x68, &m88ds3103_pdata); + if (!dvb->i2c_client_demod) + return -ENODEV; + + dvb->fe[0] = m88ds3103_pdata.get_dvb_frontend(dvb->i2c_client_demod); + i2c_adapter = m88ds3103_pdata.get_i2c_adapter(dvb->i2c_client_demod); + + /* attach tuner */ + ts2020_config.fe = dvb->fe[0]; + + dvb->i2c_client_tuner = dvb_module_probe("ts2020", "ts2022", + i2c_adapter, + 0x60, &ts2020_config); + if (!dvb->i2c_client_tuner) { + dvb_module_release(dvb->i2c_client_demod); + return -ENODEV; + } + + /* delegate signal strength measurement to tuner */ + dvb->fe[0]->ops.read_signal_strength = + dvb->fe[0]->ops.tuner_ops.get_rf_strength; + + /* attach SEC */ + a8293_pdata.dvb_frontend = dvb->fe[0]; + dvb->i2c_client_sec = dvb_module_probe("a8293", NULL, + &dev->i2c_adap[dev->def_i2c_bus], + 0x08, &a8293_pdata); + if (!dvb->i2c_client_sec) { + dvb_module_release(dvb->i2c_client_tuner); + dvb_module_release(dvb->i2c_client_demod); + return -ENODEV; + } + + return 0; +} + +static int em28178_dvb_init_pctv_292e(struct em28xx *dev) +{ + struct em28xx_dvb *dvb = dev->dvb; + struct i2c_adapter *adapter; + struct si2168_config si2168_config = {}; + struct si2157_config si2157_config = {}; + + /* attach demod */ + si2168_config.i2c_adapter = &adapter; + si2168_config.fe = &dvb->fe[0]; + si2168_config.ts_mode = SI2168_TS_PARALLEL; + si2168_config.spectral_inversion = true; + + dvb->i2c_client_demod = dvb_module_probe("si2168", NULL, + &dev->i2c_adap[dev->def_i2c_bus], + 0x64, &si2168_config); + if (!dvb->i2c_client_demod) + return -ENODEV; + + /* attach tuner */ + si2157_config.fe = dvb->fe[0]; + si2157_config.if_port = 1; +#ifdef CONFIG_MEDIA_CONTROLLER_DVB + si2157_config.mdev = dev->media_dev; +#endif + dvb->i2c_client_tuner = dvb_module_probe("si2157", NULL, + adapter, + 0x60, &si2157_config); + if (!dvb->i2c_client_tuner) { + dvb_module_release(dvb->i2c_client_demod); + return -ENODEV; + } + dvb->fe[0]->ops.set_lna = em28xx_pctv_292e_set_lna; + + return 0; +} + +static int em28178_dvb_init_terratec_t2_stick_hd(struct em28xx *dev) +{ + struct em28xx_dvb *dvb = dev->dvb; + struct i2c_adapter *adapter; + struct si2168_config si2168_config = {}; + struct si2157_config si2157_config = {}; + + /* attach demod */ + si2168_config.i2c_adapter = &adapter; + si2168_config.fe = &dvb->fe[0]; + si2168_config.ts_mode = SI2168_TS_PARALLEL; + + dvb->i2c_client_demod = dvb_module_probe("si2168", NULL, + &dev->i2c_adap[dev->def_i2c_bus], + 0x64, &si2168_config); + if (!dvb->i2c_client_demod) + return -ENODEV; + + /* attach tuner */ + memset(&si2157_config, 0, sizeof(si2157_config)); + si2157_config.fe = dvb->fe[0]; + si2157_config.if_port = 0; +#ifdef CONFIG_MEDIA_CONTROLLER_DVB + si2157_config.mdev = dev->media_dev; +#endif + dvb->i2c_client_tuner = dvb_module_probe("si2157", "si2146", + adapter, + 0x60, &si2157_config); + if (!dvb->i2c_client_tuner) { + dvb_module_release(dvb->i2c_client_demod); + return -ENODEV; + } + + return 0; +} + +static int em28178_dvb_init_plex_px_bcud(struct em28xx *dev) +{ + struct em28xx_dvb *dvb = dev->dvb; + struct tc90522_config tc90522_config = {}; + struct qm1d1c0042_config qm1d1c0042_config = {}; + + /* attach demod */ + dvb->i2c_client_demod = dvb_module_probe("tc90522", "tc90522sat", + &dev->i2c_adap[dev->def_i2c_bus], + 0x15, &tc90522_config); + if (!dvb->i2c_client_demod) + return -ENODEV; + + /* attach tuner */ + qm1d1c0042_config.fe = tc90522_config.fe; + qm1d1c0042_config.lpf = 1; + + dvb->i2c_client_tuner = dvb_module_probe("qm1d1c0042", NULL, + tc90522_config.tuner_i2c, + 0x61, &qm1d1c0042_config); + if (!dvb->i2c_client_tuner) { + dvb_module_release(dvb->i2c_client_demod); + return -ENODEV; + } + + dvb->fe[0] = tc90522_config.fe; + px_bcud_init(dev); + + return 0; +} + +static int em28174_dvb_init_hauppauge_wintv_dualhd_dvb(struct em28xx *dev) +{ + struct em28xx_dvb *dvb = dev->dvb; + struct i2c_adapter *adapter; + struct si2168_config si2168_config = {}; + struct si2157_config si2157_config = {}; + unsigned char addr; + + /* attach demod */ + si2168_config.i2c_adapter = &adapter; + si2168_config.fe = &dvb->fe[0]; + si2168_config.ts_mode = SI2168_TS_SERIAL; + si2168_config.spectral_inversion = true; + addr = (dev->ts == PRIMARY_TS) ? 0x64 : 0x67; + + dvb->i2c_client_demod = dvb_module_probe("si2168", NULL, + &dev->i2c_adap[dev->def_i2c_bus], + addr, &si2168_config); + if (!dvb->i2c_client_demod) + return -ENODEV; + + /* attach tuner */ + memset(&si2157_config, 0, sizeof(si2157_config)); + si2157_config.fe = dvb->fe[0]; + si2157_config.if_port = 1; +#ifdef CONFIG_MEDIA_CONTROLLER_DVB + si2157_config.mdev = dev->media_dev; +#endif + addr = (dev->ts == PRIMARY_TS) ? 0x60 : 0x63; + + dvb->i2c_client_tuner = dvb_module_probe("si2157", NULL, + adapter, + addr, &si2157_config); + if (!dvb->i2c_client_tuner) { + dvb_module_release(dvb->i2c_client_demod); + return -ENODEV; + } + + return 0; +} + +static int em28174_dvb_init_hauppauge_wintv_dualhd_01595(struct em28xx *dev) +{ + struct em28xx_dvb *dvb = dev->dvb; + struct i2c_adapter *adapter; + struct lgdt3306a_config lgdt3306a_config = {}; + struct si2157_config si2157_config = {}; + unsigned char addr; + + /* attach demod */ + lgdt3306a_config = hauppauge_01595_lgdt3306a_config; + lgdt3306a_config.fe = &dvb->fe[0]; + lgdt3306a_config.i2c_adapter = &adapter; + addr = (dev->ts == PRIMARY_TS) ? 0x59 : 0x0e; + + dvb->i2c_client_demod = dvb_module_probe("lgdt3306a", NULL, + &dev->i2c_adap[dev->def_i2c_bus], + addr, &lgdt3306a_config); + if (!dvb->i2c_client_demod) + return -ENODEV; + + /* attach tuner */ + si2157_config.fe = dvb->fe[0]; + si2157_config.if_port = 1; + si2157_config.inversion = 1; +#ifdef CONFIG_MEDIA_CONTROLLER_DVB + si2157_config.mdev = dev->media_dev; +#endif + addr = (dev->ts == PRIMARY_TS) ? 0x60 : 0x62; + + dvb->i2c_client_tuner = dvb_module_probe("si2157", NULL, + adapter, + addr, &si2157_config); + if (!dvb->i2c_client_tuner) { + dvb_module_release(dvb->i2c_client_demod); + return -ENODEV; + } + + return 0; +} + +static int em28xx_dvb_init(struct em28xx *dev) +{ + int result = 0, dvb_alt = 0; + struct em28xx_dvb *dvb; + struct usb_device *udev; + + if (dev->is_audio_only) { + /* Shouldn't initialize IR for this interface */ + return 0; + } + + if (!dev->board.has_dvb) { + /* This device does not support the extension */ + return 0; + } + + dev_info(&dev->intf->dev, "Binding DVB extension\n"); + + dvb = kzalloc(sizeof(*dvb), GFP_KERNEL); + if (!dvb) + return -ENOMEM; + + dev->dvb = dvb; + dvb->fe[0] = NULL; + dvb->fe[1] = NULL; + + /* pre-allocate DVB usb transfer buffers */ + if (dev->dvb_xfer_bulk) { + result = em28xx_alloc_urbs(dev, EM28XX_DIGITAL_MODE, + dev->dvb_xfer_bulk, + EM28XX_DVB_NUM_BUFS, + 512, + EM28XX_DVB_BULK_PACKET_MULTIPLIER); + } else { + result = em28xx_alloc_urbs(dev, EM28XX_DIGITAL_MODE, + dev->dvb_xfer_bulk, + EM28XX_DVB_NUM_BUFS, + dev->dvb_max_pkt_size_isoc, + EM28XX_DVB_NUM_ISOC_PACKETS); + } + if (result) { + dev_err(&dev->intf->dev, + "failed to pre-allocate USB transfer buffers for DVB.\n"); + kfree(dvb); + dev->dvb = NULL; + return result; + } + + mutex_lock(&dev->lock); + em28xx_set_mode(dev, EM28XX_DIGITAL_MODE); + /* init frontend */ + switch (dev->model) { + case EM2874_BOARD_LEADERSHIP_ISDBT: + dvb->fe[0] = dvb_attach(s921_attach, + &sharp_isdbt, + &dev->i2c_adap[dev->def_i2c_bus]); + + if (!dvb->fe[0]) { + result = -EINVAL; + goto out_free; + } + + break; + case EM2883_BOARD_HAUPPAUGE_WINTV_HVR_850: + case EM2883_BOARD_HAUPPAUGE_WINTV_HVR_950: + case EM2880_BOARD_PINNACLE_PCTV_HD_PRO: + case EM2880_BOARD_AMD_ATI_TV_WONDER_HD_600: + dvb->fe[0] = dvb_attach(lgdt330x_attach, + &em2880_lgdt3303_dev, + 0x0e, + &dev->i2c_adap[dev->def_i2c_bus]); + if (em28xx_attach_xc3028(0x61, dev) < 0) { + result = -EINVAL; + goto out_free; + } + break; + case EM2880_BOARD_KWORLD_DVB_310U: + dvb->fe[0] = dvb_attach(zl10353_attach, + &em28xx_zl10353_with_xc3028, + &dev->i2c_adap[dev->def_i2c_bus]); + if (em28xx_attach_xc3028(0x61, dev) < 0) { + result = -EINVAL; + goto out_free; + } + break; + case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900: + case EM2882_BOARD_TERRATEC_HYBRID_XS: + case EM2880_BOARD_EMPIRE_DUAL_TV: + case EM2882_BOARD_ZOLID_HYBRID_TV_STICK: + dvb->fe[0] = dvb_attach(zl10353_attach, + &em28xx_zl10353_xc3028_no_i2c_gate, + &dev->i2c_adap[dev->def_i2c_bus]); + if (em28xx_attach_xc3028(0x61, dev) < 0) { + result = -EINVAL; + goto out_free; + } + break; + case EM2880_BOARD_TERRATEC_HYBRID_XS: + case EM2880_BOARD_TERRATEC_HYBRID_XS_FR: + case EM2881_BOARD_PINNACLE_HYBRID_PRO: + case EM2882_BOARD_DIKOM_DK300: + case EM2882_BOARD_KWORLD_VS_DVBT: + /* + * Those boards could have either a zl10353 or a mt352. + * If the chip id isn't for zl10353, try mt352. + */ + dvb->fe[0] = dvb_attach(zl10353_attach, + &em28xx_zl10353_xc3028_no_i2c_gate, + &dev->i2c_adap[dev->def_i2c_bus]); + if (!dvb->fe[0]) + dvb->fe[0] = dvb_attach(mt352_attach, + &terratec_xs_mt352_cfg, + &dev->i2c_adap[dev->def_i2c_bus]); + + if (em28xx_attach_xc3028(0x61, dev) < 0) { + result = -EINVAL; + goto out_free; + } + break; + case EM2870_BOARD_TERRATEC_XS_MT2060: + dvb->fe[0] = dvb_attach(zl10353_attach, + &em28xx_zl10353_no_i2c_gate_dev, + &dev->i2c_adap[dev->def_i2c_bus]); + if (dvb->fe[0]) { + dvb_attach(mt2060_attach, dvb->fe[0], + &dev->i2c_adap[dev->def_i2c_bus], + &em28xx_mt2060_config, 1220); + } + break; + case EM2870_BOARD_KWORLD_355U: + dvb->fe[0] = dvb_attach(zl10353_attach, + &em28xx_zl10353_no_i2c_gate_dev, + &dev->i2c_adap[dev->def_i2c_bus]); + if (dvb->fe[0]) + dvb_attach(qt1010_attach, dvb->fe[0], + &dev->i2c_adap[dev->def_i2c_bus], + &em28xx_qt1010_config); + break; + case EM2883_BOARD_KWORLD_HYBRID_330U: + case EM2882_BOARD_EVGA_INDTUBE: + dvb->fe[0] = dvb_attach(s5h1409_attach, + &em28xx_s5h1409_with_xc3028, + &dev->i2c_adap[dev->def_i2c_bus]); + if (em28xx_attach_xc3028(0x61, dev) < 0) { + result = -EINVAL; + goto out_free; + } + break; + case EM2882_BOARD_KWORLD_ATSC_315U: + dvb->fe[0] = dvb_attach(lgdt330x_attach, + &em2880_lgdt3303_dev, + 0x0e, + &dev->i2c_adap[dev->def_i2c_bus]); + if (dvb->fe[0]) { + if (!dvb_attach(simple_tuner_attach, dvb->fe[0], + &dev->i2c_adap[dev->def_i2c_bus], + 0x61, TUNER_THOMSON_DTT761X)) { + result = -EINVAL; + goto out_free; + } + } + break; + case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900_R2: + case EM2882_BOARD_PINNACLE_HYBRID_PRO_330E: + dvb->fe[0] = dvb_attach(drxd_attach, &em28xx_drxd, NULL, + &dev->i2c_adap[dev->def_i2c_bus], + &dev->intf->dev); + if (em28xx_attach_xc3028(0x61, dev) < 0) { + result = -EINVAL; + goto out_free; + } + break; + case EM2870_BOARD_REDDO_DVB_C_USB_BOX: + /* Philips CU1216L NIM (Philips TDA10023 + Infineon TUA6034) */ + dvb->fe[0] = dvb_attach(tda10023_attach, + &em28xx_tda10023_config, + &dev->i2c_adap[dev->def_i2c_bus], + 0x48); + if (dvb->fe[0]) { + if (!dvb_attach(simple_tuner_attach, dvb->fe[0], + &dev->i2c_adap[dev->def_i2c_bus], + 0x60, TUNER_PHILIPS_CU1216L)) { + result = -EINVAL; + goto out_free; + } + } + break; + case EM2870_BOARD_KWORLD_A340: + dvb->fe[0] = dvb_attach(lgdt3305_attach, + &em2870_lgdt3304_dev, + &dev->i2c_adap[dev->def_i2c_bus]); + if (!dvb->fe[0]) { + result = -EINVAL; + goto out_free; + } + if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60, + &dev->i2c_adap[dev->def_i2c_bus], + &kworld_a340_config)) { + dvb_frontend_detach(dvb->fe[0]); + result = -EINVAL; + goto out_free; + } + break; + case EM28174_BOARD_PCTV_290E: + /* set default GPIO0 for LNA, used if GPIOLIB is undefined */ + dvb->lna_gpio = CXD2820R_GPIO_E | CXD2820R_GPIO_O | + CXD2820R_GPIO_L; + dvb->fe[0] = dvb_attach(cxd2820r_attach, + &em28xx_cxd2820r_config, + &dev->i2c_adap[dev->def_i2c_bus], + &dvb->lna_gpio); + if (dvb->fe[0]) { + /* FE 0 attach tuner */ + if (!dvb_attach(tda18271_attach, + dvb->fe[0], + 0x60, + &dev->i2c_adap[dev->def_i2c_bus], + &em28xx_cxd2820r_tda18271_config)) { + dvb_frontend_detach(dvb->fe[0]); + result = -EINVAL; + goto out_free; + } + +#ifdef CONFIG_GPIOLIB + /* enable LNA for DVB-T, DVB-T2 and DVB-C */ + result = gpio_request_one(dvb->lna_gpio, + GPIOF_OUT_INIT_LOW, NULL); + if (result) + dev_err(&dev->intf->dev, + "gpio request failed %d\n", + result); + else + gpio_free(dvb->lna_gpio); + + result = 0; /* continue even set LNA fails */ +#endif + dvb->fe[0]->ops.set_lna = em28xx_pctv_290e_set_lna; + } + + break; + case EM2884_BOARD_HAUPPAUGE_WINTV_HVR_930C: + { + struct xc5000_config cfg = {}; + + hauppauge_hvr930c_init(dev); + + dvb->fe[0] = dvb_attach(drxk_attach, + &hauppauge_930c_drxk, + &dev->i2c_adap[dev->def_i2c_bus]); + if (!dvb->fe[0]) { + result = -EINVAL; + goto out_free; + } + /* FIXME: do we need a pll semaphore? */ + dvb->fe[0]->sec_priv = dvb; + sema_init(&dvb->pll_mutex, 1); + dvb->gate_ctrl = dvb->fe[0]->ops.i2c_gate_ctrl; + dvb->fe[0]->ops.i2c_gate_ctrl = drxk_gate_ctrl; + + /* Attach xc5000 */ + cfg.i2c_address = 0x61; + cfg.if_khz = 4000; + + if (dvb->fe[0]->ops.i2c_gate_ctrl) + dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 1); + if (!dvb_attach(xc5000_attach, dvb->fe[0], + &dev->i2c_adap[dev->def_i2c_bus], &cfg)) { + result = -EINVAL; + goto out_free; + } + if (dvb->fe[0]->ops.i2c_gate_ctrl) + dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 0); + + break; + } + case EM2884_BOARD_TERRATEC_H5: + terratec_h5_init(dev); + + dvb->fe[0] = dvb_attach(drxk_attach, &terratec_h5_drxk, + &dev->i2c_adap[dev->def_i2c_bus]); + if (!dvb->fe[0]) { + result = -EINVAL; + goto out_free; + } + /* FIXME: do we need a pll semaphore? */ + dvb->fe[0]->sec_priv = dvb; + sema_init(&dvb->pll_mutex, 1); + dvb->gate_ctrl = dvb->fe[0]->ops.i2c_gate_ctrl; + dvb->fe[0]->ops.i2c_gate_ctrl = drxk_gate_ctrl; + + /* Attach tda18271 to DVB-C frontend */ + if (dvb->fe[0]->ops.i2c_gate_ctrl) + dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 1); + if (!dvb_attach(tda18271c2dd_attach, dvb->fe[0], + &dev->i2c_adap[dev->def_i2c_bus], 0x60)) { + result = -EINVAL; + goto out_free; + } + if (dvb->fe[0]->ops.i2c_gate_ctrl) + dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 0); + + break; + case EM2884_BOARD_C3TECH_DIGITAL_DUO: + dvb->fe[0] = dvb_attach(mb86a20s_attach, + &c3tech_duo_mb86a20s_config, + &dev->i2c_adap[dev->def_i2c_bus]); + if (dvb->fe[0]) + dvb_attach(tda18271_attach, dvb->fe[0], 0x60, + &dev->i2c_adap[dev->def_i2c_bus], + &c3tech_duo_tda18271_config); + break; + case EM28174_BOARD_PCTV_460E: + result = em28174_dvb_init_pctv_460e(dev); + if (result) + goto out_free; + break; + case EM2874_BOARD_DELOCK_61959: + case EM2874_BOARD_MAXMEDIA_UB425_TC: + /* attach demodulator */ + dvb->fe[0] = dvb_attach(drxk_attach, &maxmedia_ub425_tc_drxk, + &dev->i2c_adap[dev->def_i2c_bus]); + + if (dvb->fe[0]) { + /* disable I2C-gate */ + dvb->fe[0]->ops.i2c_gate_ctrl = NULL; + + /* attach tuner */ + if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60, + &dev->i2c_adap[dev->def_i2c_bus], + &em28xx_cxd2820r_tda18271_config)) { + dvb_frontend_detach(dvb->fe[0]); + result = -EINVAL; + goto out_free; + } + } + break; + case EM2884_BOARD_PCTV_510E: + case EM2884_BOARD_PCTV_520E: + pctv_520e_init(dev); + + /* attach demodulator */ + dvb->fe[0] = dvb_attach(drxk_attach, &pctv_520e_drxk, + &dev->i2c_adap[dev->def_i2c_bus]); + + if (dvb->fe[0]) { + /* attach tuner */ + if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60, + &dev->i2c_adap[dev->def_i2c_bus], + &em28xx_cxd2820r_tda18271_config)) { + dvb_frontend_detach(dvb->fe[0]); + result = -EINVAL; + goto out_free; + } + } + break; + case EM2884_BOARD_ELGATO_EYETV_HYBRID_2008: + case EM2884_BOARD_CINERGY_HTC_STICK: + case EM2884_BOARD_TERRATEC_H6: + terratec_htc_stick_init(dev); + + /* attach demodulator */ + dvb->fe[0] = dvb_attach(drxk_attach, &terratec_htc_stick_drxk, + &dev->i2c_adap[dev->def_i2c_bus]); + if (!dvb->fe[0]) { + result = -EINVAL; + goto out_free; + } + + /* Attach the demodulator. */ + if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60, + &dev->i2c_adap[dev->def_i2c_bus], + &em28xx_cxd2820r_tda18271_config)) { + result = -EINVAL; + goto out_free; + } + break; + case EM2884_BOARD_TERRATEC_HTC_USB_XS: + terratec_htc_usb_xs_init(dev); + + /* attach demodulator */ + dvb->fe[0] = dvb_attach(drxk_attach, &terratec_htc_stick_drxk, + &dev->i2c_adap[dev->def_i2c_bus]); + if (!dvb->fe[0]) { + result = -EINVAL; + goto out_free; + } + + /* Attach the demodulator. */ + if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60, + &dev->i2c_adap[dev->def_i2c_bus], + &em28xx_cxd2820r_tda18271_config)) { + result = -EINVAL; + goto out_free; + } + break; + case EM2874_BOARD_KWORLD_UB435Q_V2: + dvb->fe[0] = dvb_attach(lgdt3305_attach, + &em2874_lgdt3305_dev, + &dev->i2c_adap[dev->def_i2c_bus]); + if (!dvb->fe[0]) { + result = -EINVAL; + goto out_free; + } + + /* Attach the demodulator. */ + if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60, + &dev->i2c_adap[dev->def_i2c_bus], + &kworld_ub435q_v2_config)) { + result = -EINVAL; + goto out_free; + } + break; + case EM2874_BOARD_KWORLD_UB435Q_V3: + { + struct i2c_adapter *adapter = &dev->i2c_adap[dev->def_i2c_bus]; + + dvb->fe[0] = dvb_attach(lgdt3305_attach, + &em2874_lgdt3305_nogate_dev, + &dev->i2c_adap[dev->def_i2c_bus]); + if (!dvb->fe[0]) { + result = -EINVAL; + goto out_free; + } + + /* attach tuner */ + kworld_ub435q_v3_config.fe = dvb->fe[0]; + + dvb->i2c_client_tuner = dvb_module_probe("tda18212", NULL, + adapter, 0x60, + &kworld_ub435q_v3_config); + if (!dvb->i2c_client_tuner) { + dvb_frontend_detach(dvb->fe[0]); + result = -ENODEV; + goto out_free; + } + break; + } + case EM2874_BOARD_PCTV_HD_MINI_80E: + dvb->fe[0] = dvb_attach(drx39xxj_attach, + &dev->i2c_adap[dev->def_i2c_bus]); + if (dvb->fe[0]) { + dvb->fe[0] = dvb_attach(tda18271_attach, dvb->fe[0], + 0x60, + &dev->i2c_adap[dev->def_i2c_bus], + &pinnacle_80e_dvb_config); + if (!dvb->fe[0]) { + result = -EINVAL; + goto out_free; + } + } + break; + case EM28178_BOARD_PCTV_461E: + result = em28178_dvb_init_pctv_461e(dev); + if (result) + goto out_free; + break; + case EM28178_BOARD_PCTV_292E: + result = em28178_dvb_init_pctv_292e(dev); + if (result) + goto out_free; + break; + case EM28178_BOARD_TERRATEC_T2_STICK_HD: + result = em28178_dvb_init_terratec_t2_stick_hd(dev); + if (result) + goto out_free; + break; + case EM28178_BOARD_PLEX_PX_BCUD: + result = em28178_dvb_init_plex_px_bcud(dev); + if (result) + goto out_free; + break; + case EM28174_BOARD_HAUPPAUGE_WINTV_DUALHD_DVB: + result = em28174_dvb_init_hauppauge_wintv_dualhd_dvb(dev); + if (result) + goto out_free; + break; + case EM28174_BOARD_HAUPPAUGE_WINTV_DUALHD_01595: + result = em28174_dvb_init_hauppauge_wintv_dualhd_01595(dev); + if (result) + goto out_free; + break; + default: + dev_err(&dev->intf->dev, + "The frontend of your DVB/ATSC card isn't supported yet\n"); + break; + } + if (!dvb->fe[0]) { + dev_err(&dev->intf->dev, "frontend initialization failed\n"); + result = -EINVAL; + goto out_free; + } + /* define general-purpose callback pointer */ + dvb->fe[0]->callback = em28xx_tuner_callback; + if (dvb->fe[1]) + dvb->fe[1]->callback = em28xx_tuner_callback; + + /* register everything */ + result = em28xx_register_dvb(dvb, THIS_MODULE, dev, &dev->intf->dev); + + if (result < 0) + goto out_free; + + if (dev->dvb_xfer_bulk) { + dvb_alt = 0; + } else { /* isoc */ + dvb_alt = dev->dvb_alt_isoc; + } + + udev = interface_to_usbdev(dev->intf); + usb_set_interface(udev, dev->ifnum, dvb_alt); + dev_info(&dev->intf->dev, "DVB extension successfully initialized\n"); + + kref_get(&dev->ref); + +ret: + em28xx_set_mode(dev, EM28XX_SUSPEND); + mutex_unlock(&dev->lock); + return result; + +out_free: + em28xx_uninit_usb_xfer(dev, EM28XX_DIGITAL_MODE); + kfree(dvb); + dev->dvb = NULL; + goto ret; +} + +static inline void prevent_sleep(struct dvb_frontend_ops *ops) +{ + ops->set_voltage = NULL; + ops->sleep = NULL; + ops->tuner_ops.sleep = NULL; +} + +static int em28xx_dvb_fini(struct em28xx *dev) +{ + struct em28xx_dvb *dvb; + + if (dev->is_audio_only) { + /* Shouldn't initialize IR for this interface */ + return 0; + } + + if (!dev->board.has_dvb) { + /* This device does not support the extension */ + return 0; + } + + if (!dev->dvb) + return 0; + + dev_info(&dev->intf->dev, "Closing DVB extension\n"); + + dvb = dev->dvb; + + em28xx_uninit_usb_xfer(dev, EM28XX_DIGITAL_MODE); + + if (dev->disconnected) { + /* + * We cannot tell the device to sleep + * once it has been unplugged. + */ + if (dvb->fe[0]) { + prevent_sleep(&dvb->fe[0]->ops); + dvb->fe[0]->exit = DVB_FE_DEVICE_REMOVED; + } + if (dvb->fe[1]) { + prevent_sleep(&dvb->fe[1]->ops); + dvb->fe[1]->exit = DVB_FE_DEVICE_REMOVED; + } + } + + em28xx_unregister_dvb(dvb); + + /* release I2C module bindings */ + dvb_module_release(dvb->i2c_client_sec); + dvb_module_release(dvb->i2c_client_tuner); + dvb_module_release(dvb->i2c_client_demod); + + kfree(dvb); + dev->dvb = NULL; + kref_put(&dev->ref, em28xx_free_device); + + return 0; +} + +static int em28xx_dvb_suspend(struct em28xx *dev) +{ + int ret = 0; + + if (dev->is_audio_only) + return 0; + + if (!dev->board.has_dvb) + return 0; + + dev_info(&dev->intf->dev, "Suspending DVB extension\n"); + if (dev->dvb) { + struct em28xx_dvb *dvb = dev->dvb; + + if (dvb->fe[0]) { + ret = dvb_frontend_suspend(dvb->fe[0]); + dev_info(&dev->intf->dev, "fe0 suspend %d\n", ret); + } + if (dvb->fe[1]) { + dvb_frontend_suspend(dvb->fe[1]); + dev_info(&dev->intf->dev, "fe1 suspend %d\n", ret); + } + } + + return 0; +} + +static int em28xx_dvb_resume(struct em28xx *dev) +{ + int ret = 0; + + if (dev->is_audio_only) + return 0; + + if (!dev->board.has_dvb) + return 0; + + dev_info(&dev->intf->dev, "Resuming DVB extension\n"); + if (dev->dvb) { + struct em28xx_dvb *dvb = dev->dvb; + + if (dvb->fe[0]) { + ret = dvb_frontend_resume(dvb->fe[0]); + dev_info(&dev->intf->dev, "fe0 resume %d\n", ret); + } + + if (dvb->fe[1]) { + ret = dvb_frontend_resume(dvb->fe[1]); + dev_info(&dev->intf->dev, "fe1 resume %d\n", ret); + } + } + + return 0; +} + +static struct em28xx_ops dvb_ops = { + .id = EM28XX_DVB, + .name = "Em28xx dvb Extension", + .init = em28xx_dvb_init, + .fini = em28xx_dvb_fini, + .suspend = em28xx_dvb_suspend, + .resume = em28xx_dvb_resume, +}; + +static int __init em28xx_dvb_register(void) +{ + return em28xx_register_extension(&dvb_ops); +} + +static void __exit em28xx_dvb_unregister(void) +{ + em28xx_unregister_extension(&dvb_ops); +} + +module_init(em28xx_dvb_register); +module_exit(em28xx_dvb_unregister); diff --git a/drivers/media/usb/em28xx/em28xx-i2c.c b/drivers/media/usb/em28xx/em28xx-i2c.c new file mode 100644 index 000000000..e19d6342e --- /dev/null +++ b/drivers/media/usb/em28xx/em28xx-i2c.c @@ -0,0 +1,1034 @@ +// SPDX-License-Identifier: GPL-2.0+ +// +// em28xx-i2c.c - driver for Empia EM2800/EM2820/2840 USB video capture devices +// +// Copyright (C) 2005 Ludovico Cavedon <cavedon@sssup.it> +// Markus Rechberger <mrechberger@gmail.com> +// Mauro Carvalho Chehab <mchehab@kernel.org> +// Sascha Sommer <saschasommer@freenet.de> +// Copyright (C) 2013 Frank Schäfer <fschaefer.oss@googlemail.com> +// +// This program is free software; you can redistribute it and/or modify +// it under the terms of the GNU General Public License as published by +// the Free Software Foundation; either version 2 of the License, or +// (at your option) any later version. +// +// This program is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. + +#include "em28xx.h" + +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/usb.h> +#include <linux/i2c.h> +#include <linux/jiffies.h> + +#include "tuner-xc2028.h" +#include <media/v4l2-common.h> +#include <media/tuner.h> + +/* ----------------------------------------------------------- */ + +static unsigned int i2c_scan; +module_param(i2c_scan, int, 0444); +MODULE_PARM_DESC(i2c_scan, "scan i2c bus at insmod time"); + +static unsigned int i2c_debug; +module_param(i2c_debug, int, 0644); +MODULE_PARM_DESC(i2c_debug, "i2c debug message level (1: normal debug, 2: show I2C transfers)"); + +#define dprintk(level, fmt, arg...) do { \ + if (i2c_debug > level) \ + dev_printk(KERN_DEBUG, &dev->intf->dev, \ + "i2c: %s: " fmt, __func__, ## arg); \ +} while (0) + +/* + * Time in msecs to wait for i2c xfers to finish. + * 35ms is the maximum time a SMBUS device could wait when + * clock stretching is used. As the transfer itself will take + * some time to happen, set it to 35 ms. + * + * Ok, I2C doesn't specify any limit. So, eventually, we may need + * to increase this timeout. + */ +#define EM28XX_I2C_XFER_TIMEOUT 35 /* ms */ + +static int em28xx_i2c_timeout(struct em28xx *dev) +{ + int time = EM28XX_I2C_XFER_TIMEOUT; + + switch (dev->i2c_speed & 0x03) { + case EM28XX_I2C_FREQ_25_KHZ: + time += 4; /* Assume 4 ms for transfers */ + break; + case EM28XX_I2C_FREQ_100_KHZ: + case EM28XX_I2C_FREQ_400_KHZ: + time += 1; /* Assume 1 ms for transfers */ + break; + default: /* EM28XX_I2C_FREQ_1_5_MHZ */ + break; + } + + return msecs_to_jiffies(time); +} + +/* + * em2800_i2c_send_bytes() + * send up to 4 bytes to the em2800 i2c device + */ +static int em2800_i2c_send_bytes(struct em28xx *dev, u8 addr, u8 *buf, u16 len) +{ + unsigned long timeout = jiffies + em28xx_i2c_timeout(dev); + int ret; + u8 b2[6]; + + if (len < 1 || len > 4) + return -EOPNOTSUPP; + + b2[5] = 0x80 + len - 1; + b2[4] = addr; + b2[3] = buf[0]; + if (len > 1) + b2[2] = buf[1]; + if (len > 2) + b2[1] = buf[2]; + if (len > 3) + b2[0] = buf[3]; + + /* trigger write */ + ret = dev->em28xx_write_regs(dev, 4 - len, &b2[4 - len], 2 + len); + if (ret != 2 + len) { + dev_warn(&dev->intf->dev, + "failed to trigger write to i2c address 0x%x (error=%i)\n", + addr, ret); + return (ret < 0) ? ret : -EIO; + } + /* wait for completion */ + while (time_is_after_jiffies(timeout)) { + ret = dev->em28xx_read_reg(dev, 0x05); + if (ret == 0x80 + len - 1) + return len; + if (ret == 0x94 + len - 1) { + dprintk(1, "R05 returned 0x%02x: I2C ACK error\n", ret); + return -ENXIO; + } + if (ret < 0) { + dev_warn(&dev->intf->dev, + "failed to get i2c transfer status from bridge register (error=%i)\n", + ret); + return ret; + } + usleep_range(5000, 6000); + } + dprintk(0, "write to i2c device at 0x%x timed out\n", addr); + return -ETIMEDOUT; +} + +/* + * em2800_i2c_recv_bytes() + * read up to 4 bytes from the em2800 i2c device + */ +static int em2800_i2c_recv_bytes(struct em28xx *dev, u8 addr, u8 *buf, u16 len) +{ + unsigned long timeout = jiffies + em28xx_i2c_timeout(dev); + u8 buf2[4]; + int ret; + int i; + + if (len < 1 || len > 4) + return -EOPNOTSUPP; + + /* trigger read */ + buf2[1] = 0x84 + len - 1; + buf2[0] = addr; + ret = dev->em28xx_write_regs(dev, 0x04, buf2, 2); + if (ret != 2) { + dev_warn(&dev->intf->dev, + "failed to trigger read from i2c address 0x%x (error=%i)\n", + addr, ret); + return (ret < 0) ? ret : -EIO; + } + + /* wait for completion */ + while (time_is_after_jiffies(timeout)) { + ret = dev->em28xx_read_reg(dev, 0x05); + if (ret == 0x84 + len - 1) + break; + if (ret == 0x94 + len - 1) { + dprintk(1, "R05 returned 0x%02x: I2C ACK error\n", + ret); + return -ENXIO; + } + if (ret < 0) { + dev_warn(&dev->intf->dev, + "failed to get i2c transfer status from bridge register (error=%i)\n", + ret); + return ret; + } + usleep_range(5000, 6000); + } + if (ret != 0x84 + len - 1) + dprintk(0, "read from i2c device at 0x%x timed out\n", addr); + + /* get the received message */ + ret = dev->em28xx_read_reg_req_len(dev, 0x00, 4 - len, buf2, len); + if (ret != len) { + dev_warn(&dev->intf->dev, + "reading from i2c device at 0x%x failed: couldn't get the received message from the bridge (error=%i)\n", + addr, ret); + return (ret < 0) ? ret : -EIO; + } + for (i = 0; i < len; i++) + buf[i] = buf2[len - 1 - i]; + + return ret; +} + +/* + * em2800_i2c_check_for_device() + * check if there is an i2c device at the supplied address + */ +static int em2800_i2c_check_for_device(struct em28xx *dev, u8 addr) +{ + u8 buf; + int ret; + + ret = em2800_i2c_recv_bytes(dev, addr, &buf, 1); + if (ret == 1) + return 0; + return (ret < 0) ? ret : -EIO; +} + +/* + * em28xx_i2c_send_bytes() + */ +static int em28xx_i2c_send_bytes(struct em28xx *dev, u16 addr, u8 *buf, + u16 len, int stop) +{ + unsigned long timeout = jiffies + em28xx_i2c_timeout(dev); + int ret; + + if (len < 1 || len > 64) + return -EOPNOTSUPP; + /* + * NOTE: limited by the USB ctrl message constraints + * Zero length reads always succeed, even if no device is connected + */ + + /* Write to i2c device */ + ret = dev->em28xx_write_regs_req(dev, stop ? 2 : 3, addr, buf, len); + if (ret != len) { + if (ret < 0) { + dev_warn(&dev->intf->dev, + "writing to i2c device at 0x%x failed (error=%i)\n", + addr, ret); + return ret; + } + dev_warn(&dev->intf->dev, + "%i bytes write to i2c device at 0x%x requested, but %i bytes written\n", + len, addr, ret); + return -EIO; + } + + /* wait for completion */ + while (time_is_after_jiffies(timeout)) { + ret = dev->em28xx_read_reg(dev, 0x05); + if (ret == 0) /* success */ + return len; + if (ret == 0x10) { + dprintk(1, "I2C ACK error on writing to addr 0x%02x\n", + addr); + return -ENXIO; + } + if (ret < 0) { + dev_warn(&dev->intf->dev, + "failed to get i2c transfer status from bridge register (error=%i)\n", + ret); + return ret; + } + usleep_range(5000, 6000); + /* + * NOTE: do we really have to wait for success ? + * Never seen anything else than 0x00 or 0x10 + * (even with high payload) ... + */ + } + + if (ret == 0x02 || ret == 0x04) { + /* NOTE: these errors seem to be related to clock stretching */ + dprintk(0, + "write to i2c device at 0x%x timed out (status=%i)\n", + addr, ret); + return -ETIMEDOUT; + } + + dev_warn(&dev->intf->dev, + "write to i2c device at 0x%x failed with unknown error (status=%i)\n", + addr, ret); + return -EIO; +} + +/* + * em28xx_i2c_recv_bytes() + * read a byte from the i2c device + */ +static int em28xx_i2c_recv_bytes(struct em28xx *dev, u16 addr, u8 *buf, u16 len) +{ + int ret; + + if (len < 1 || len > 64) + return -EOPNOTSUPP; + /* + * NOTE: limited by the USB ctrl message constraints + * Zero length reads always succeed, even if no device is connected + */ + + /* Read data from i2c device */ + ret = dev->em28xx_read_reg_req_len(dev, 2, addr, buf, len); + if (ret < 0) { + dev_warn(&dev->intf->dev, + "reading from i2c device at 0x%x failed (error=%i)\n", + addr, ret); + return ret; + } + /* + * NOTE: some devices with two i2c busses have the bad habit to return 0 + * bytes if we are on bus B AND there was no write attempt to the + * specified slave address before AND no device is present at the + * requested slave address. + * Anyway, the next check will fail with -ENXIO in this case, so avoid + * spamming the system log on device probing and do nothing here. + */ + + /* Check success of the i2c operation */ + ret = dev->em28xx_read_reg(dev, 0x05); + if (ret == 0) /* success */ + return len; + if (ret < 0) { + dev_warn(&dev->intf->dev, + "failed to get i2c transfer status from bridge register (error=%i)\n", + ret); + return ret; + } + if (ret == 0x10) { + dprintk(1, "I2C ACK error on writing to addr 0x%02x\n", + addr); + return -ENXIO; + } + + if (ret == 0x02 || ret == 0x04) { + /* NOTE: these errors seem to be related to clock stretching */ + dprintk(0, + "write to i2c device at 0x%x timed out (status=%i)\n", + addr, ret); + return -ETIMEDOUT; + } + + dev_warn(&dev->intf->dev, + "write to i2c device at 0x%x failed with unknown error (status=%i)\n", + addr, ret); + return -EIO; +} + +/* + * em28xx_i2c_check_for_device() + * check if there is a i2c_device at the supplied address + */ +static int em28xx_i2c_check_for_device(struct em28xx *dev, u16 addr) +{ + int ret; + u8 buf; + + ret = em28xx_i2c_recv_bytes(dev, addr, &buf, 1); + if (ret == 1) + return 0; + return (ret < 0) ? ret : -EIO; +} + +/* + * em25xx_bus_B_send_bytes + * write bytes to the i2c device + */ +static int em25xx_bus_B_send_bytes(struct em28xx *dev, u16 addr, u8 *buf, + u16 len) +{ + int ret; + + if (len < 1 || len > 64) + return -EOPNOTSUPP; + /* + * NOTE: limited by the USB ctrl message constraints + * Zero length reads always succeed, even if no device is connected + */ + + /* Set register and write value */ + ret = dev->em28xx_write_regs_req(dev, 0x06, addr, buf, len); + if (ret != len) { + if (ret < 0) { + dev_warn(&dev->intf->dev, + "writing to i2c device at 0x%x failed (error=%i)\n", + addr, ret); + return ret; + } + + dev_warn(&dev->intf->dev, + "%i bytes write to i2c device at 0x%x requested, but %i bytes written\n", + len, addr, ret); + return -EIO; + } + /* Check success */ + ret = dev->em28xx_read_reg_req(dev, 0x08, 0x0000); + /* + * NOTE: the only error we've seen so far is + * 0x01 when the slave device is not present + */ + if (!ret) + return len; + + if (ret > 0) { + dprintk(1, "Bus B R08 returned 0x%02x: I2C ACK error\n", ret); + return -ENXIO; + } + + return ret; + /* + * NOTE: With chip types (other chip IDs) which actually don't support + * this operation, it seems to succeed ALWAYS ! (even if there is no + * slave device or even no second i2c bus provided) + */ +} + +/* + * em25xx_bus_B_recv_bytes + * read bytes from the i2c device + */ +static int em25xx_bus_B_recv_bytes(struct em28xx *dev, u16 addr, u8 *buf, + u16 len) +{ + int ret; + + if (len < 1 || len > 64) + return -EOPNOTSUPP; + /* + * NOTE: limited by the USB ctrl message constraints + * Zero length reads always succeed, even if no device is connected + */ + + /* Read value */ + ret = dev->em28xx_read_reg_req_len(dev, 0x06, addr, buf, len); + if (ret < 0) { + dev_warn(&dev->intf->dev, + "reading from i2c device at 0x%x failed (error=%i)\n", + addr, ret); + return ret; + } + /* + * NOTE: some devices with two i2c busses have the bad habit to return 0 + * bytes if we are on bus B AND there was no write attempt to the + * specified slave address before AND no device is present at the + * requested slave address. + * Anyway, the next check will fail with -ENXIO in this case, so avoid + * spamming the system log on device probing and do nothing here. + */ + + /* Check success */ + ret = dev->em28xx_read_reg_req(dev, 0x08, 0x0000); + /* + * NOTE: the only error we've seen so far is + * 0x01 when the slave device is not present + */ + if (!ret) + return len; + + if (ret > 0) { + dprintk(1, "Bus B R08 returned 0x%02x: I2C ACK error\n", ret); + return -ENXIO; + } + + return ret; + /* + * NOTE: With chip types (other chip IDs) which actually don't support + * this operation, it seems to succeed ALWAYS ! (even if there is no + * slave device or even no second i2c bus provided) + */ +} + +/* + * em25xx_bus_B_check_for_device() + * check if there is a i2c device at the supplied address + */ +static int em25xx_bus_B_check_for_device(struct em28xx *dev, u16 addr) +{ + u8 buf; + int ret; + + ret = em25xx_bus_B_recv_bytes(dev, addr, &buf, 1); + if (ret < 0) + return ret; + + return 0; + /* + * NOTE: With chips which do not support this operation, + * it seems to succeed ALWAYS ! (even if no device connected) + */ +} + +static inline int i2c_check_for_device(struct em28xx_i2c_bus *i2c_bus, u16 addr) +{ + struct em28xx *dev = i2c_bus->dev; + int rc = -EOPNOTSUPP; + + if (i2c_bus->algo_type == EM28XX_I2C_ALGO_EM28XX) + rc = em28xx_i2c_check_for_device(dev, addr); + else if (i2c_bus->algo_type == EM28XX_I2C_ALGO_EM2800) + rc = em2800_i2c_check_for_device(dev, addr); + else if (i2c_bus->algo_type == EM28XX_I2C_ALGO_EM25XX_BUS_B) + rc = em25xx_bus_B_check_for_device(dev, addr); + return rc; +} + +static inline int i2c_recv_bytes(struct em28xx_i2c_bus *i2c_bus, + struct i2c_msg msg) +{ + struct em28xx *dev = i2c_bus->dev; + u16 addr = msg.addr << 1; + int rc = -EOPNOTSUPP; + + if (i2c_bus->algo_type == EM28XX_I2C_ALGO_EM28XX) + rc = em28xx_i2c_recv_bytes(dev, addr, msg.buf, msg.len); + else if (i2c_bus->algo_type == EM28XX_I2C_ALGO_EM2800) + rc = em2800_i2c_recv_bytes(dev, addr, msg.buf, msg.len); + else if (i2c_bus->algo_type == EM28XX_I2C_ALGO_EM25XX_BUS_B) + rc = em25xx_bus_B_recv_bytes(dev, addr, msg.buf, msg.len); + return rc; +} + +static inline int i2c_send_bytes(struct em28xx_i2c_bus *i2c_bus, + struct i2c_msg msg, int stop) +{ + struct em28xx *dev = i2c_bus->dev; + u16 addr = msg.addr << 1; + int rc = -EOPNOTSUPP; + + if (i2c_bus->algo_type == EM28XX_I2C_ALGO_EM28XX) + rc = em28xx_i2c_send_bytes(dev, addr, msg.buf, msg.len, stop); + else if (i2c_bus->algo_type == EM28XX_I2C_ALGO_EM2800) + rc = em2800_i2c_send_bytes(dev, addr, msg.buf, msg.len); + else if (i2c_bus->algo_type == EM28XX_I2C_ALGO_EM25XX_BUS_B) + rc = em25xx_bus_B_send_bytes(dev, addr, msg.buf, msg.len); + return rc; +} + +/* + * em28xx_i2c_xfer() + * the main i2c transfer function + */ +static int em28xx_i2c_xfer(struct i2c_adapter *i2c_adap, + struct i2c_msg msgs[], int num) +{ + struct em28xx_i2c_bus *i2c_bus = i2c_adap->algo_data; + struct em28xx *dev = i2c_bus->dev; + unsigned int bus = i2c_bus->bus; + int addr, rc, i; + u8 reg; + + /* + * prevent i2c xfer attempts after device is disconnected + * some fe's try to do i2c writes/reads from their release + * interfaces when called in disconnect path + */ + if (dev->disconnected) + return -ENODEV; + + if (!rt_mutex_trylock(&dev->i2c_bus_lock)) + return -EAGAIN; + + /* Switch I2C bus if needed */ + if (bus != dev->cur_i2c_bus && + i2c_bus->algo_type == EM28XX_I2C_ALGO_EM28XX) { + if (bus == 1) + reg = EM2874_I2C_SECONDARY_BUS_SELECT; + else + reg = 0; + em28xx_write_reg_bits(dev, EM28XX_R06_I2C_CLK, reg, + EM2874_I2C_SECONDARY_BUS_SELECT); + dev->cur_i2c_bus = bus; + } + + for (i = 0; i < num; i++) { + addr = msgs[i].addr << 1; + if (!msgs[i].len) { + /* + * no len: check only for device presence + * This code is only called during device probe. + */ + rc = i2c_check_for_device(i2c_bus, addr); + + if (rc == -ENXIO) + rc = -ENODEV; + } else if (msgs[i].flags & I2C_M_RD) { + /* read bytes */ + rc = i2c_recv_bytes(i2c_bus, msgs[i]); + } else { + /* write bytes */ + rc = i2c_send_bytes(i2c_bus, msgs[i], i == num - 1); + } + + if (rc < 0) + goto error; + + dprintk(2, "%s %s addr=%02x len=%d: %*ph\n", + (msgs[i].flags & I2C_M_RD) ? "read" : "write", + i == num - 1 ? "stop" : "nonstop", + addr, msgs[i].len, + msgs[i].len, msgs[i].buf); + } + + rt_mutex_unlock(&dev->i2c_bus_lock); + return num; + +error: + dprintk(2, "%s %s addr=%02x len=%d: %sERROR: %i\n", + (msgs[i].flags & I2C_M_RD) ? "read" : "write", + i == num - 1 ? "stop" : "nonstop", + addr, msgs[i].len, + (rc == -ENODEV) ? "no device " : "", + rc); + + rt_mutex_unlock(&dev->i2c_bus_lock); + return rc; +} + +/* + * based on linux/sunrpc/svcauth.h and linux/hash.h + * The original hash function returns a different value, if arch is x86_64 + * or i386. + */ +static inline unsigned long em28xx_hash_mem(char *buf, int length, int bits) +{ + unsigned long hash = 0; + unsigned long l = 0; + int len = 0; + unsigned char c; + + do { + if (len == length) { + c = (char)len; + len = -1; + } else { + c = *buf++; + } + l = (l << 8) | c; + len++; + if ((len & (32 / 8 - 1)) == 0) + hash = ((hash ^ l) * 0x9e370001UL); + } while (len); + + return (hash >> (32 - bits)) & 0xffffffffUL; +} + +/* + * Helper function to read data blocks from i2c clients with 8 or 16 bit + * address width, 8 bit register width and auto incrementation been activated + */ +static int em28xx_i2c_read_block(struct em28xx *dev, unsigned int bus, u16 addr, + bool addr_w16, u16 len, u8 *data) +{ + int remain = len, rsize, rsize_max, ret; + u8 buf[2]; + + /* Sanity check */ + if (addr + remain > (addr_w16 * 0xff00 + 0xff + 1)) + return -EINVAL; + /* Select address */ + buf[0] = addr >> 8; + buf[1] = addr & 0xff; + ret = i2c_master_send(&dev->i2c_client[bus], + buf + !addr_w16, 1 + addr_w16); + if (ret < 0) + return ret; + /* Read data */ + if (dev->board.is_em2800) + rsize_max = 4; + else + rsize_max = 64; + while (remain > 0) { + if (remain > rsize_max) + rsize = rsize_max; + else + rsize = remain; + + ret = i2c_master_recv(&dev->i2c_client[bus], data, rsize); + if (ret < 0) + return ret; + + remain -= rsize; + data += rsize; + } + + return len; +} + +static int em28xx_i2c_eeprom(struct em28xx *dev, unsigned int bus, + u8 **eedata, u16 *eedata_len) +{ + const u16 len = 256; + /* + * FIXME common length/size for bytes to read, to display, hash + * calculation and returned device dataset. Simplifies the code a lot, + * but we might have to deal with multiple sizes in the future ! + */ + int err; + struct em28xx_eeprom *dev_config; + u8 buf, *data; + + *eedata = NULL; + *eedata_len = 0; + + /* EEPROM is always on i2c bus 0 on all known devices. */ + + dev->i2c_client[bus].addr = 0xa0 >> 1; + + /* Check if board has eeprom */ + err = i2c_master_recv(&dev->i2c_client[bus], &buf, 0); + if (err < 0) { + dev_info(&dev->intf->dev, "board has no eeprom\n"); + return -ENODEV; + } + + data = kzalloc(len, GFP_KERNEL); + if (!data) + return -ENOMEM; + + /* Read EEPROM content */ + err = em28xx_i2c_read_block(dev, bus, 0x0000, + dev->eeprom_addrwidth_16bit, + len, data); + if (err != len) { + dev_err(&dev->intf->dev, + "failed to read eeprom (err=%d)\n", err); + goto error; + } + + if (i2c_debug) { + /* Display eeprom content */ + print_hex_dump(KERN_DEBUG, "em28xx eeprom ", DUMP_PREFIX_OFFSET, + 16, 1, data, len, true); + + if (dev->eeprom_addrwidth_16bit) + dev_info(&dev->intf->dev, + "eeprom %06x: ... (skipped)\n", 256); + } + + if (dev->eeprom_addrwidth_16bit && + data[0] == 0x26 && data[3] == 0x00) { + /* new eeprom format; size 4-64kb */ + u16 mc_start; + u16 hwconf_offset; + + dev->hash = em28xx_hash_mem(data, len, 32); + mc_start = (data[1] << 8) + 4; /* usually 0x0004 */ + + dev_info(&dev->intf->dev, + "EEPROM ID = %4ph, EEPROM hash = 0x%08lx\n", + data, dev->hash); + dev_info(&dev->intf->dev, + "EEPROM info:\n"); + dev_info(&dev->intf->dev, + "\tmicrocode start address = 0x%04x, boot configuration = 0x%02x\n", + mc_start, data[2]); + /* + * boot configuration (address 0x0002): + * [0] microcode download speed: 1 = 400 kHz; 0 = 100 kHz + * [1] always selects 12 kb RAM + * [2] USB device speed: 1 = force Full Speed; 0 = auto detect + * [4] 1 = force fast mode and no suspend for device testing + * [5:7] USB PHY tuning registers; determined by device + * characterization + */ + + /* + * Read hardware config dataset offset from address + * (microcode start + 46) + */ + err = em28xx_i2c_read_block(dev, bus, mc_start + 46, 1, 2, + data); + if (err != 2) { + dev_err(&dev->intf->dev, + "failed to read hardware configuration data from eeprom (err=%d)\n", + err); + goto error; + } + + /* Calculate hardware config dataset start address */ + hwconf_offset = mc_start + data[0] + (data[1] << 8); + + /* Read hardware config dataset */ + /* + * NOTE: the microcode copy can be multiple pages long, but + * we assume the hardware config dataset is the same as in + * the old eeprom and not longer than 256 bytes. + * tveeprom is currently also limited to 256 bytes. + */ + err = em28xx_i2c_read_block(dev, bus, hwconf_offset, 1, len, + data); + if (err != len) { + dev_err(&dev->intf->dev, + "failed to read hardware configuration data from eeprom (err=%d)\n", + err); + goto error; + } + + /* Verify hardware config dataset */ + /* NOTE: not all devices provide this type of dataset */ + if (data[0] != 0x1a || data[1] != 0xeb || + data[2] != 0x67 || data[3] != 0x95) { + dev_info(&dev->intf->dev, + "\tno hardware configuration dataset found in eeprom\n"); + kfree(data); + return 0; + } + + /* + * TODO: decrypt eeprom data for camera bridges + * (em25xx, em276x+) + */ + + } else if (!dev->eeprom_addrwidth_16bit && + data[0] == 0x1a && data[1] == 0xeb && + data[2] == 0x67 && data[3] == 0x95) { + dev->hash = em28xx_hash_mem(data, len, 32); + dev_info(&dev->intf->dev, + "EEPROM ID = %4ph, EEPROM hash = 0x%08lx\n", + data, dev->hash); + dev_info(&dev->intf->dev, + "EEPROM info:\n"); + } else { + dev_info(&dev->intf->dev, + "unknown eeprom format or eeprom corrupted !\n"); + err = -ENODEV; + goto error; + } + + *eedata = data; + *eedata_len = len; + dev_config = (void *)*eedata; + + switch (le16_to_cpu(dev_config->chip_conf) >> 4 & 0x3) { + case 0: + dev_info(&dev->intf->dev, "\tNo audio on board.\n"); + break; + case 1: + dev_info(&dev->intf->dev, "\tAC97 audio (5 sample rates)\n"); + break; + case 2: + if (dev->chip_id < CHIP_ID_EM2860) + dev_info(&dev->intf->dev, + "\tI2S audio, sample rate=32k\n"); + else + dev_info(&dev->intf->dev, + "\tI2S audio, 3 sample rates\n"); + break; + case 3: + if (dev->chip_id < CHIP_ID_EM2860) + dev_info(&dev->intf->dev, + "\tI2S audio, 3 sample rates\n"); + else + dev_info(&dev->intf->dev, + "\tI2S audio, 5 sample rates\n"); + break; + } + + if (le16_to_cpu(dev_config->chip_conf) & 1 << 3) + dev_info(&dev->intf->dev, "\tUSB Remote wakeup capable\n"); + + if (le16_to_cpu(dev_config->chip_conf) & 1 << 2) + dev_info(&dev->intf->dev, "\tUSB Self power capable\n"); + + switch (le16_to_cpu(dev_config->chip_conf) & 0x3) { + case 0: + dev_info(&dev->intf->dev, "\t500mA max power\n"); + break; + case 1: + dev_info(&dev->intf->dev, "\t400mA max power\n"); + break; + case 2: + dev_info(&dev->intf->dev, "\t300mA max power\n"); + break; + case 3: + dev_info(&dev->intf->dev, "\t200mA max power\n"); + break; + } + dev_info(&dev->intf->dev, + "\tTable at offset 0x%02x, strings=0x%04x, 0x%04x, 0x%04x\n", + dev_config->string_idx_table, + le16_to_cpu(dev_config->string1), + le16_to_cpu(dev_config->string2), + le16_to_cpu(dev_config->string3)); + + return 0; + +error: + kfree(data); + return err; +} + +/* ----------------------------------------------------------- */ + +/* + * functionality() + */ +static u32 functionality(struct i2c_adapter *i2c_adap) +{ + struct em28xx_i2c_bus *i2c_bus = i2c_adap->algo_data; + + if (i2c_bus->algo_type == EM28XX_I2C_ALGO_EM28XX || + i2c_bus->algo_type == EM28XX_I2C_ALGO_EM25XX_BUS_B) { + return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL; + } else if (i2c_bus->algo_type == EM28XX_I2C_ALGO_EM2800) { + return (I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL) & + ~I2C_FUNC_SMBUS_WRITE_BLOCK_DATA; + } + + WARN(1, "Unknown i2c bus algorithm.\n"); + return 0; +} + +static const struct i2c_algorithm em28xx_algo = { + .master_xfer = em28xx_i2c_xfer, + .functionality = functionality, +}; + +static const struct i2c_adapter em28xx_adap_template = { + .owner = THIS_MODULE, + .name = "em28xx", + .algo = &em28xx_algo, +}; + +static const struct i2c_client em28xx_client_template = { + .name = "em28xx internal", +}; + +/* ----------------------------------------------------------- */ + +/* + * i2c_devs + * incomplete list of known devices + */ +static char *i2c_devs[128] = { + [0x1c >> 1] = "lgdt330x", + [0x3e >> 1] = "remote IR sensor", + [0x4a >> 1] = "saa7113h", + [0x52 >> 1] = "drxk", + [0x60 >> 1] = "remote IR sensor", + [0x8e >> 1] = "remote IR sensor", + [0x86 >> 1] = "tda9887", + [0x80 >> 1] = "msp34xx", + [0x88 >> 1] = "msp34xx", + [0xa0 >> 1] = "eeprom", + [0xb0 >> 1] = "tda9874", + [0xb8 >> 1] = "tvp5150a", + [0xba >> 1] = "webcam sensor or tvp5150a", + [0xc0 >> 1] = "tuner (analog)", + [0xc2 >> 1] = "tuner (analog)", + [0xc4 >> 1] = "tuner (analog)", + [0xc6 >> 1] = "tuner (analog)", +}; + +/* + * do_i2c_scan() + * check i2c address range for devices + */ +void em28xx_do_i2c_scan(struct em28xx *dev, unsigned int bus) +{ + u8 i2c_devicelist[128]; + unsigned char buf; + int i, rc; + + memset(i2c_devicelist, 0, ARRAY_SIZE(i2c_devicelist)); + + for (i = 0; i < ARRAY_SIZE(i2c_devs); i++) { + dev->i2c_client[bus].addr = i; + rc = i2c_master_recv(&dev->i2c_client[bus], &buf, 0); + if (rc < 0) + continue; + i2c_devicelist[i] = i; + dev_info(&dev->intf->dev, + "found i2c device @ 0x%x on bus %d [%s]\n", + i << 1, bus, i2c_devs[i] ? i2c_devs[i] : "???"); + } + + if (bus == dev->def_i2c_bus) + dev->i2c_hash = em28xx_hash_mem(i2c_devicelist, + ARRAY_SIZE(i2c_devicelist), 32); +} + +/* + * em28xx_i2c_register() + * register i2c bus + */ +int em28xx_i2c_register(struct em28xx *dev, unsigned int bus, + enum em28xx_i2c_algo_type algo_type) +{ + int retval; + + if (WARN_ON(!dev->em28xx_write_regs || !dev->em28xx_read_reg || + !dev->em28xx_write_regs_req || !dev->em28xx_read_reg_req)) + return -ENODEV; + + if (bus >= NUM_I2C_BUSES) + return -ENODEV; + + dev->i2c_adap[bus] = em28xx_adap_template; + dev->i2c_adap[bus].dev.parent = &dev->intf->dev; + strcpy(dev->i2c_adap[bus].name, dev_name(&dev->intf->dev)); + + dev->i2c_bus[bus].bus = bus; + dev->i2c_bus[bus].algo_type = algo_type; + dev->i2c_bus[bus].dev = dev; + dev->i2c_adap[bus].algo_data = &dev->i2c_bus[bus]; + + retval = i2c_add_adapter(&dev->i2c_adap[bus]); + if (retval < 0) { + dev_err(&dev->intf->dev, + "%s: i2c_add_adapter failed! retval [%d]\n", + __func__, retval); + return retval; + } + + dev->i2c_client[bus] = em28xx_client_template; + dev->i2c_client[bus].adapter = &dev->i2c_adap[bus]; + + /* Up to now, all eeproms are at bus 0 */ + if (!bus) { + retval = em28xx_i2c_eeprom(dev, bus, + &dev->eedata, &dev->eedata_len); + if (retval < 0 && retval != -ENODEV) { + dev_err(&dev->intf->dev, + "%s: em28xx_i2_eeprom failed! retval [%d]\n", + __func__, retval); + } + } + + if (i2c_scan) + em28xx_do_i2c_scan(dev, bus); + + return 0; +} + +/* + * em28xx_i2c_unregister() + * unregister i2c_bus + */ +int em28xx_i2c_unregister(struct em28xx *dev, unsigned int bus) +{ + if (bus >= NUM_I2C_BUSES) + return -ENODEV; + + i2c_del_adapter(&dev->i2c_adap[bus]); + return 0; +} diff --git a/drivers/media/usb/em28xx/em28xx-input.c b/drivers/media/usb/em28xx/em28xx-input.c new file mode 100644 index 000000000..92007a225 --- /dev/null +++ b/drivers/media/usb/em28xx/em28xx-input.c @@ -0,0 +1,966 @@ +// SPDX-License-Identifier: GPL-2.0+ +// +// handle em28xx IR remotes via linux kernel input layer. +// +// Copyright (C) 2005 Ludovico Cavedon <cavedon@sssup.it> +// Markus Rechberger <mrechberger@gmail.com> +// Mauro Carvalho Chehab <mchehab@kernel.org> +// Sascha Sommer <saschasommer@freenet.de> +// +// This program is free software; you can redistribute it and/or modify +// it under the terms of the GNU General Public License as published by +// the Free Software Foundation; either version 2 of the License, or +// (at your option) any later version. +// +// This program is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. + +#include "em28xx.h" + +#include <linux/module.h> +#include <linux/init.h> +#include <linux/delay.h> +#include <linux/interrupt.h> +#include <linux/usb.h> +#include <linux/slab.h> +#include <linux/bitrev.h> + +#define EM28XX_SNAPSHOT_KEY KEY_CAMERA +#define EM28XX_BUTTONS_DEBOUNCED_QUERY_INTERVAL 500 /* [ms] */ +#define EM28XX_BUTTONS_VOLATILE_QUERY_INTERVAL 100 /* [ms] */ + +static unsigned int ir_debug; +module_param(ir_debug, int, 0644); +MODULE_PARM_DESC(ir_debug, "enable debug messages [IR]"); + +#define MODULE_NAME "em28xx" + +#define dprintk(fmt, arg...) do { \ + if (ir_debug) \ + dev_printk(KERN_DEBUG, &ir->dev->intf->dev, \ + "input: %s: " fmt, __func__, ## arg); \ +} while (0) + +/* + * Polling structure used by em28xx IR's + */ + +struct em28xx_ir_poll_result { + unsigned int toggle_bit:1; + unsigned int read_count:7; + + enum rc_proto protocol; + u32 scancode; +}; + +struct em28xx_IR { + struct em28xx *dev; + struct rc_dev *rc; + char name[32]; + char phys[32]; + + /* poll decoder */ + int polling; + struct delayed_work work; + unsigned int full_code:1; + unsigned int last_readcount; + u64 rc_proto; + + struct i2c_client *i2c_client; + + int (*get_key_i2c)(struct i2c_client *ir, enum rc_proto *protocol, + u32 *scancode); + int (*get_key)(struct em28xx_IR *ir, struct em28xx_ir_poll_result *r); +}; + +/* + * I2C IR based get keycodes - should be used with ir-kbd-i2c + */ + +static int em28xx_get_key_terratec(struct i2c_client *i2c_dev, + enum rc_proto *protocol, u32 *scancode) +{ + int rc; + unsigned char b; + + /* poll IR chip */ + rc = i2c_master_recv(i2c_dev, &b, 1); + if (rc != 1) { + if (rc < 0) + return rc; + return -EIO; + } + + /* + * it seems that 0xFE indicates that a button is still hold + * down, while 0xff indicates that no button is hold down. + */ + + if (b == 0xff) + return 0; + + if (b == 0xfe) + /* keep old data */ + return 1; + + *protocol = RC_PROTO_UNKNOWN; + *scancode = b; + return 1; +} + +static int em28xx_get_key_em_haup(struct i2c_client *i2c_dev, + enum rc_proto *protocol, u32 *scancode) +{ + unsigned char buf[2]; + int size; + + /* poll IR chip */ + size = i2c_master_recv(i2c_dev, buf, sizeof(buf)); + + if (size != 2) + return -EIO; + + /* Does eliminate repeated parity code */ + if (buf[1] == 0xff) + return 0; + + /* + * Rearranges bits to the right order. + * The bit order were determined experimentally by using + * The original Hauppauge Grey IR and another RC5 that uses addr=0x08 + * The RC5 code has 14 bits, but we've experimentally determined + * the meaning for only 11 bits. + * So, the code translation is not complete. Yet, it is enough to + * work with the provided RC5 IR. + */ + *protocol = RC_PROTO_RC5; + *scancode = (bitrev8(buf[1]) & 0x1f) << 8 | bitrev8(buf[0]) >> 2; + return 1; +} + +static int em28xx_get_key_pinnacle_usb_grey(struct i2c_client *i2c_dev, + enum rc_proto *protocol, + u32 *scancode) +{ + unsigned char buf[3]; + + /* poll IR chip */ + + if (i2c_master_recv(i2c_dev, buf, 3) != 3) + return -EIO; + + if (buf[0] != 0x00) + return 0; + + *protocol = RC_PROTO_UNKNOWN; + *scancode = buf[2] & 0x3f; + return 1; +} + +static int em28xx_get_key_winfast_usbii_deluxe(struct i2c_client *i2c_dev, + enum rc_proto *protocol, + u32 *scancode) +{ + unsigned char subaddr, keydetect, key; + + struct i2c_msg msg[] = { + { + .addr = i2c_dev->addr, + .flags = 0, + .buf = &subaddr, .len = 1 + }, { + .addr = i2c_dev->addr, + .flags = I2C_M_RD, + .buf = &keydetect, + .len = 1 + } + }; + + subaddr = 0x10; + if (i2c_transfer(i2c_dev->adapter, msg, 2) != 2) + return -EIO; + if (keydetect == 0x00) + return 0; + + subaddr = 0x00; + msg[1].buf = &key; + if (i2c_transfer(i2c_dev->adapter, msg, 2) != 2) + return -EIO; + if (key == 0x00) + return 0; + + *protocol = RC_PROTO_UNKNOWN; + *scancode = key; + return 1; +} + +/* + * Poll based get keycode functions + */ + +/* This is for the em2860/em2880 */ +static int default_polling_getkey(struct em28xx_IR *ir, + struct em28xx_ir_poll_result *poll_result) +{ + struct em28xx *dev = ir->dev; + int rc; + u8 msg[3] = { 0, 0, 0 }; + + /* + * Read key toggle, brand, and key code + * on registers 0x45, 0x46 and 0x47 + */ + rc = dev->em28xx_read_reg_req_len(dev, 0, EM28XX_R45_IR, + msg, sizeof(msg)); + if (rc < 0) + return rc; + + /* Infrared toggle (Reg 0x45[7]) */ + poll_result->toggle_bit = (msg[0] >> 7); + + /* Infrared read count (Reg 0x45[6:0] */ + poll_result->read_count = (msg[0] & 0x7f); + + /* Remote Control Address/Data (Regs 0x46/0x47) */ + switch (ir->rc_proto) { + case RC_PROTO_BIT_RC5: + poll_result->protocol = RC_PROTO_RC5; + poll_result->scancode = RC_SCANCODE_RC5(msg[1], msg[2]); + break; + + case RC_PROTO_BIT_NEC: + poll_result->protocol = RC_PROTO_NEC; + poll_result->scancode = RC_SCANCODE_NEC(msg[1], msg[2]); + break; + + default: + poll_result->protocol = RC_PROTO_UNKNOWN; + poll_result->scancode = msg[1] << 8 | msg[2]; + break; + } + + return 0; +} + +static int em2874_polling_getkey(struct em28xx_IR *ir, + struct em28xx_ir_poll_result *poll_result) +{ + struct em28xx *dev = ir->dev; + int rc; + u8 msg[5] = { 0, 0, 0, 0, 0 }; + + /* + * Read key toggle, brand, and key code + * on registers 0x51-55 + */ + rc = dev->em28xx_read_reg_req_len(dev, 0, EM2874_R51_IR, + msg, sizeof(msg)); + if (rc < 0) + return rc; + + /* Infrared toggle (Reg 0x51[7]) */ + poll_result->toggle_bit = (msg[0] >> 7); + + /* Infrared read count (Reg 0x51[6:0] */ + poll_result->read_count = (msg[0] & 0x7f); + + /* + * Remote Control Address (Reg 0x52) + * Remote Control Data (Reg 0x53-0x55) + */ + switch (ir->rc_proto) { + case RC_PROTO_BIT_RC5: + poll_result->protocol = RC_PROTO_RC5; + poll_result->scancode = RC_SCANCODE_RC5(msg[1], msg[2]); + break; + + case RC_PROTO_BIT_NEC: + poll_result->scancode = msg[1] << 8 | msg[2]; + if ((msg[3] ^ msg[4]) != 0xff) { /* 32 bits NEC */ + poll_result->protocol = RC_PROTO_NEC32; + poll_result->scancode = RC_SCANCODE_NEC32((msg[1] << 24) | + (msg[2] << 16) | + (msg[3] << 8) | + (msg[4])); + } else if ((msg[1] ^ msg[2]) != 0xff) { /* 24 bits NEC */ + poll_result->protocol = RC_PROTO_NECX; + poll_result->scancode = RC_SCANCODE_NECX(msg[1] << 8 | + msg[2], msg[3]); + } else { /* Normal NEC */ + poll_result->protocol = RC_PROTO_NEC; + poll_result->scancode = RC_SCANCODE_NEC(msg[1], msg[3]); + } + break; + + case RC_PROTO_BIT_RC6_0: + poll_result->protocol = RC_PROTO_RC6_0; + poll_result->scancode = RC_SCANCODE_RC6_0(msg[1], msg[2]); + break; + + default: + poll_result->protocol = RC_PROTO_UNKNOWN; + poll_result->scancode = (msg[1] << 24) | (msg[2] << 16) | + (msg[3] << 8) | msg[4]; + break; + } + + return 0; +} + +/* + * Polling code for em28xx + */ + +static int em28xx_i2c_ir_handle_key(struct em28xx_IR *ir) +{ + static u32 scancode; + enum rc_proto protocol; + int rc; + + rc = ir->get_key_i2c(ir->i2c_client, &protocol, &scancode); + if (rc < 0) { + dprintk("ir->get_key_i2c() failed: %d\n", rc); + return rc; + } + + if (rc) { + dprintk("%s: proto = 0x%04x, scancode = 0x%04x\n", + __func__, protocol, scancode); + rc_keydown(ir->rc, protocol, scancode, 0); + } + return 0; +} + +static void em28xx_ir_handle_key(struct em28xx_IR *ir) +{ + int result; + struct em28xx_ir_poll_result poll_result; + + /* read the registers containing the IR status */ + result = ir->get_key(ir, &poll_result); + if (unlikely(result < 0)) { + dprintk("ir->get_key() failed: %d\n", result); + return; + } + + if (unlikely(poll_result.read_count != ir->last_readcount)) { + dprintk("%s: toggle: %d, count: %d, key 0x%04x\n", __func__, + poll_result.toggle_bit, poll_result.read_count, + poll_result.scancode); + if (ir->full_code) + rc_keydown(ir->rc, + poll_result.protocol, + poll_result.scancode, + poll_result.toggle_bit); + else + rc_keydown(ir->rc, + RC_PROTO_UNKNOWN, + poll_result.scancode & 0xff, + poll_result.toggle_bit); + + if (ir->dev->chip_id == CHIP_ID_EM2874 || + ir->dev->chip_id == CHIP_ID_EM2884) + /* + * The em2874 clears the readcount field every time the + * register is read. The em2860/2880 datasheet says + * that it is supposed to clear the readcount, but it + * doesn't. So with the em2874, we are looking for a + * non-zero read count as opposed to a readcount + * that is incrementing + */ + ir->last_readcount = 0; + else + ir->last_readcount = poll_result.read_count; + } +} + +static void em28xx_ir_work(struct work_struct *work) +{ + struct em28xx_IR *ir = container_of(work, struct em28xx_IR, work.work); + + if (ir->i2c_client) /* external i2c device */ + em28xx_i2c_ir_handle_key(ir); + else /* internal device */ + em28xx_ir_handle_key(ir); + schedule_delayed_work(&ir->work, msecs_to_jiffies(ir->polling)); +} + +static int em28xx_ir_start(struct rc_dev *rc) +{ + struct em28xx_IR *ir = rc->priv; + + INIT_DELAYED_WORK(&ir->work, em28xx_ir_work); + schedule_delayed_work(&ir->work, 0); + + return 0; +} + +static void em28xx_ir_stop(struct rc_dev *rc) +{ + struct em28xx_IR *ir = rc->priv; + + cancel_delayed_work_sync(&ir->work); +} + +static int em2860_ir_change_protocol(struct rc_dev *rc_dev, u64 *rc_proto) +{ + struct em28xx_IR *ir = rc_dev->priv; + struct em28xx *dev = ir->dev; + + /* Adjust xclk based on IR table for RC5/NEC tables */ + if (*rc_proto & RC_PROTO_BIT_RC5) { + dev->board.xclk |= EM28XX_XCLK_IR_RC5_MODE; + ir->full_code = 1; + *rc_proto = RC_PROTO_BIT_RC5; + } else if (*rc_proto & RC_PROTO_BIT_NEC) { + dev->board.xclk &= ~EM28XX_XCLK_IR_RC5_MODE; + ir->full_code = 1; + *rc_proto = RC_PROTO_BIT_NEC; + } else if (*rc_proto & RC_PROTO_BIT_UNKNOWN) { + *rc_proto = RC_PROTO_BIT_UNKNOWN; + } else { + *rc_proto = ir->rc_proto; + return -EINVAL; + } + em28xx_write_reg_bits(dev, EM28XX_R0F_XCLK, dev->board.xclk, + EM28XX_XCLK_IR_RC5_MODE); + + ir->rc_proto = *rc_proto; + + return 0; +} + +static int em2874_ir_change_protocol(struct rc_dev *rc_dev, u64 *rc_proto) +{ + struct em28xx_IR *ir = rc_dev->priv; + struct em28xx *dev = ir->dev; + u8 ir_config = EM2874_IR_RC5; + + /* Adjust xclk and set type based on IR table for RC5/NEC/RC6 tables */ + if (*rc_proto & RC_PROTO_BIT_RC5) { + dev->board.xclk |= EM28XX_XCLK_IR_RC5_MODE; + ir->full_code = 1; + *rc_proto = RC_PROTO_BIT_RC5; + } else if (*rc_proto & RC_PROTO_BIT_NEC) { + dev->board.xclk &= ~EM28XX_XCLK_IR_RC5_MODE; + ir_config = EM2874_IR_NEC | EM2874_IR_NEC_NO_PARITY; + ir->full_code = 1; + *rc_proto = RC_PROTO_BIT_NEC; + } else if (*rc_proto & RC_PROTO_BIT_RC6_0) { + dev->board.xclk |= EM28XX_XCLK_IR_RC5_MODE; + ir_config = EM2874_IR_RC6_MODE_0; + ir->full_code = 1; + *rc_proto = RC_PROTO_BIT_RC6_0; + } else if (*rc_proto & RC_PROTO_BIT_UNKNOWN) { + *rc_proto = RC_PROTO_BIT_UNKNOWN; + } else { + *rc_proto = ir->rc_proto; + return -EINVAL; + } + em28xx_write_regs(dev, EM2874_R50_IR_CONFIG, &ir_config, 1); + em28xx_write_reg_bits(dev, EM28XX_R0F_XCLK, dev->board.xclk, + EM28XX_XCLK_IR_RC5_MODE); + + ir->rc_proto = *rc_proto; + + return 0; +} + +static int em28xx_ir_change_protocol(struct rc_dev *rc_dev, u64 *rc_proto) +{ + struct em28xx_IR *ir = rc_dev->priv; + struct em28xx *dev = ir->dev; + + /* Setup the proper handler based on the chip */ + switch (dev->chip_id) { + case CHIP_ID_EM2860: + case CHIP_ID_EM2883: + return em2860_ir_change_protocol(rc_dev, rc_proto); + case CHIP_ID_EM2884: + case CHIP_ID_EM2874: + case CHIP_ID_EM28174: + case CHIP_ID_EM28178: + return em2874_ir_change_protocol(rc_dev, rc_proto); + default: + dev_err(&ir->dev->intf->dev, + "Unrecognized em28xx chip id 0x%02x: IR not supported\n", + dev->chip_id); + return -EINVAL; + } +} + +static int em28xx_probe_i2c_ir(struct em28xx *dev) +{ + int i = 0; + /* + * Leadtek winfast tv USBII deluxe can find a non working IR-device + * at address 0x18, so if that address is needed for another board in + * the future, please put it after 0x1f. + */ + const unsigned short addr_list[] = { + 0x1f, 0x30, 0x47, I2C_CLIENT_END + }; + + while (addr_list[i] != I2C_CLIENT_END) { + if (i2c_probe_func_quick_read(&dev->i2c_adap[dev->def_i2c_bus], + addr_list[i]) == 1) + return addr_list[i]; + i++; + } + + return -ENODEV; +} + +/* + * Handle buttons + */ + +static void em28xx_query_buttons(struct work_struct *work) +{ + struct em28xx *dev = + container_of(work, struct em28xx, buttons_query_work.work); + u8 i, j; + int regval; + bool is_pressed, was_pressed; + const struct em28xx_led *led; + + /* Poll and evaluate all addresses */ + for (i = 0; i < dev->num_button_polling_addresses; i++) { + /* Read value from register */ + regval = em28xx_read_reg(dev, dev->button_polling_addresses[i]); + if (regval < 0) + continue; + /* Check states of the buttons and act */ + j = 0; + while (dev->board.buttons[j].role >= 0 && + dev->board.buttons[j].role < EM28XX_NUM_BUTTON_ROLES) { + const struct em28xx_button *button; + + button = &dev->board.buttons[j]; + + /* Check if button uses the current address */ + if (button->reg_r != dev->button_polling_addresses[i]) { + j++; + continue; + } + /* Determine if button is and was pressed last time */ + is_pressed = regval & button->mask; + was_pressed = dev->button_polling_last_values[i] + & button->mask; + if (button->inverted) { + is_pressed = !is_pressed; + was_pressed = !was_pressed; + } + /* Clear button state (if needed) */ + if (is_pressed && button->reg_clearing) + em28xx_write_reg(dev, button->reg_clearing, + (~regval & button->mask) + | (regval & ~button->mask)); + /* Handle button state */ + if (!is_pressed || was_pressed) { + j++; + continue; + } + switch (button->role) { + case EM28XX_BUTTON_SNAPSHOT: + /* Emulate the keypress */ + input_report_key(dev->sbutton_input_dev, + EM28XX_SNAPSHOT_KEY, 1); + /* Unpress the key */ + input_report_key(dev->sbutton_input_dev, + EM28XX_SNAPSHOT_KEY, 0); + break; + case EM28XX_BUTTON_ILLUMINATION: + led = em28xx_find_led(dev, + EM28XX_LED_ILLUMINATION); + /* Switch illumination LED on/off */ + if (led) + em28xx_toggle_reg_bits(dev, + led->gpio_reg, + led->gpio_mask); + break; + default: + WARN_ONCE(1, "BUG: unhandled button role."); + } + /* Next button */ + j++; + } + /* Save current value for comparison during the next polling */ + dev->button_polling_last_values[i] = regval; + } + /* Schedule next poll */ + schedule_delayed_work(&dev->buttons_query_work, + msecs_to_jiffies(dev->button_polling_interval)); +} + +static int em28xx_register_snapshot_button(struct em28xx *dev) +{ + struct usb_device *udev = interface_to_usbdev(dev->intf); + struct input_dev *input_dev; + int err; + + dev_info(&dev->intf->dev, "Registering snapshot button...\n"); + input_dev = input_allocate_device(); + if (!input_dev) + return -ENOMEM; + + usb_make_path(udev, dev->snapshot_button_path, + sizeof(dev->snapshot_button_path)); + strlcat(dev->snapshot_button_path, "/sbutton", + sizeof(dev->snapshot_button_path)); + + input_dev->name = "em28xx snapshot button"; + input_dev->phys = dev->snapshot_button_path; + input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REP); + set_bit(EM28XX_SNAPSHOT_KEY, input_dev->keybit); + input_dev->keycodesize = 0; + input_dev->keycodemax = 0; + input_dev->id.bustype = BUS_USB; + input_dev->id.vendor = le16_to_cpu(udev->descriptor.idVendor); + input_dev->id.product = le16_to_cpu(udev->descriptor.idProduct); + input_dev->id.version = 1; + input_dev->dev.parent = &dev->intf->dev; + + err = input_register_device(input_dev); + if (err) { + dev_err(&dev->intf->dev, "input_register_device failed\n"); + input_free_device(input_dev); + return err; + } + + dev->sbutton_input_dev = input_dev; + return 0; +} + +static void em28xx_init_buttons(struct em28xx *dev) +{ + u8 i = 0, j = 0; + bool addr_new = false; + + dev->button_polling_interval = EM28XX_BUTTONS_DEBOUNCED_QUERY_INTERVAL; + while (dev->board.buttons[i].role >= 0 && + dev->board.buttons[i].role < EM28XX_NUM_BUTTON_ROLES) { + const struct em28xx_button *button = &dev->board.buttons[i]; + + /* Check if polling address is already on the list */ + addr_new = true; + for (j = 0; j < dev->num_button_polling_addresses; j++) { + if (button->reg_r == dev->button_polling_addresses[j]) { + addr_new = false; + break; + } + } + /* Check if max. number of polling addresses is exceeded */ + if (addr_new && dev->num_button_polling_addresses + >= EM28XX_NUM_BUTTON_ADDRESSES_MAX) { + WARN_ONCE(1, "BUG: maximum number of button polling addresses exceeded."); + goto next_button; + } + /* Button role specific checks and actions */ + if (button->role == EM28XX_BUTTON_SNAPSHOT) { + /* Register input device */ + if (em28xx_register_snapshot_button(dev) < 0) + goto next_button; + } else if (button->role == EM28XX_BUTTON_ILLUMINATION) { + /* Check sanity */ + if (!em28xx_find_led(dev, EM28XX_LED_ILLUMINATION)) { + dev_err(&dev->intf->dev, + "BUG: illumination button defined, but no illumination LED.\n"); + goto next_button; + } + } + /* Add read address to list of polling addresses */ + if (addr_new) { + unsigned int index = dev->num_button_polling_addresses; + + dev->button_polling_addresses[index] = button->reg_r; + dev->num_button_polling_addresses++; + } + /* Reduce polling interval if necessary */ + if (!button->reg_clearing) + dev->button_polling_interval = + EM28XX_BUTTONS_VOLATILE_QUERY_INTERVAL; +next_button: + /* Next button */ + i++; + } + + /* Start polling */ + if (dev->num_button_polling_addresses) { + memset(dev->button_polling_last_values, 0, + EM28XX_NUM_BUTTON_ADDRESSES_MAX); + schedule_delayed_work(&dev->buttons_query_work, + msecs_to_jiffies(dev->button_polling_interval)); + } +} + +static void em28xx_shutdown_buttons(struct em28xx *dev) +{ + /* Cancel polling */ + cancel_delayed_work_sync(&dev->buttons_query_work); + /* Clear polling addresses list */ + dev->num_button_polling_addresses = 0; + /* Deregister input devices */ + if (dev->sbutton_input_dev) { + dev_info(&dev->intf->dev, "Deregistering snapshot button\n"); + input_unregister_device(dev->sbutton_input_dev); + dev->sbutton_input_dev = NULL; + } +} + +static int em28xx_ir_init(struct em28xx *dev) +{ + struct usb_device *udev = interface_to_usbdev(dev->intf); + struct em28xx_IR *ir; + struct rc_dev *rc; + int err = -ENOMEM; + u64 rc_proto; + u16 i2c_rc_dev_addr = 0; + + if (dev->is_audio_only) { + /* Shouldn't initialize IR for this interface */ + return 0; + } + + kref_get(&dev->ref); + INIT_DELAYED_WORK(&dev->buttons_query_work, em28xx_query_buttons); + + if (dev->board.buttons) + em28xx_init_buttons(dev); + + if (dev->board.has_ir_i2c) { + i2c_rc_dev_addr = em28xx_probe_i2c_ir(dev); + if (!i2c_rc_dev_addr) { + dev->board.has_ir_i2c = 0; + dev_warn(&dev->intf->dev, + "No i2c IR remote control device found.\n"); + err = -ENODEV; + goto ref_put; + } + } + + if (!dev->board.ir_codes && !dev->board.has_ir_i2c) { + /* No remote control support */ + dev_warn(&dev->intf->dev, + "Remote control support is not available for this card.\n"); + return 0; + } + + dev_info(&dev->intf->dev, "Registering input extension\n"); + + ir = kzalloc(sizeof(*ir), GFP_KERNEL); + if (!ir) + goto ref_put; + rc = rc_allocate_device(RC_DRIVER_SCANCODE); + if (!rc) + goto error; + + /* record handles to ourself */ + ir->dev = dev; + dev->ir = ir; + ir->rc = rc; + + rc->priv = ir; + rc->open = em28xx_ir_start; + rc->close = em28xx_ir_stop; + + if (dev->board.has_ir_i2c) { /* external i2c device */ + switch (dev->model) { + case EM2800_BOARD_TERRATEC_CINERGY_200: + case EM2820_BOARD_TERRATEC_CINERGY_250: + rc->map_name = RC_MAP_EM_TERRATEC; + ir->get_key_i2c = em28xx_get_key_terratec; + break; + case EM2820_BOARD_PINNACLE_USB_2: + rc->map_name = RC_MAP_PINNACLE_GREY; + ir->get_key_i2c = em28xx_get_key_pinnacle_usb_grey; + break; + case EM2820_BOARD_HAUPPAUGE_WINTV_USB_2: + rc->map_name = RC_MAP_HAUPPAUGE; + ir->get_key_i2c = em28xx_get_key_em_haup; + rc->allowed_protocols = RC_PROTO_BIT_RC5; + break; + case EM2820_BOARD_LEADTEK_WINFAST_USBII_DELUXE: + rc->map_name = RC_MAP_WINFAST_USBII_DELUXE; + ir->get_key_i2c = em28xx_get_key_winfast_usbii_deluxe; + break; + default: + err = -ENODEV; + goto error; + } + + ir->i2c_client = kzalloc(sizeof(*ir->i2c_client), GFP_KERNEL); + if (!ir->i2c_client) + goto error; + ir->i2c_client->adapter = &ir->dev->i2c_adap[dev->def_i2c_bus]; + ir->i2c_client->addr = i2c_rc_dev_addr; + ir->i2c_client->flags = 0; + /* NOTE: all other fields of i2c_client are unused */ + } else { /* internal device */ + switch (dev->chip_id) { + case CHIP_ID_EM2860: + case CHIP_ID_EM2883: + rc->allowed_protocols = RC_PROTO_BIT_RC5 | + RC_PROTO_BIT_NEC; + ir->get_key = default_polling_getkey; + break; + case CHIP_ID_EM2884: + case CHIP_ID_EM2874: + case CHIP_ID_EM28174: + case CHIP_ID_EM28178: + ir->get_key = em2874_polling_getkey; + rc->allowed_protocols = RC_PROTO_BIT_RC5 | + RC_PROTO_BIT_NEC | RC_PROTO_BIT_NECX | + RC_PROTO_BIT_NEC32 | RC_PROTO_BIT_RC6_0; + break; + default: + err = -ENODEV; + goto error; + } + + rc->change_protocol = em28xx_ir_change_protocol; + rc->map_name = dev->board.ir_codes; + + /* By default, keep protocol field untouched */ + rc_proto = RC_PROTO_BIT_UNKNOWN; + err = em28xx_ir_change_protocol(rc, &rc_proto); + if (err) + goto error; + } + + /* This is how often we ask the chip for IR information */ + ir->polling = 100; /* ms */ + + /* init input device */ + snprintf(ir->name, sizeof(ir->name), "%s IR", + dev_name(&dev->intf->dev)); + + usb_make_path(udev, ir->phys, sizeof(ir->phys)); + strlcat(ir->phys, "/input0", sizeof(ir->phys)); + + rc->device_name = ir->name; + rc->input_phys = ir->phys; + rc->input_id.bustype = BUS_USB; + rc->input_id.version = 1; + rc->input_id.vendor = le16_to_cpu(udev->descriptor.idVendor); + rc->input_id.product = le16_to_cpu(udev->descriptor.idProduct); + rc->dev.parent = &dev->intf->dev; + rc->driver_name = MODULE_NAME; + + /* all done */ + err = rc_register_device(rc); + if (err) + goto error; + + dev_info(&dev->intf->dev, "Input extension successfully initialized\n"); + + return 0; + +error: + kfree(ir->i2c_client); + dev->ir = NULL; + rc_free_device(rc); + kfree(ir); +ref_put: + em28xx_shutdown_buttons(dev); + return err; +} + +static int em28xx_ir_fini(struct em28xx *dev) +{ + struct em28xx_IR *ir = dev->ir; + + if (dev->is_audio_only) { + /* Shouldn't initialize IR for this interface */ + return 0; + } + + dev_info(&dev->intf->dev, "Closing input extension\n"); + + em28xx_shutdown_buttons(dev); + + /* skip detach on non attached boards */ + if (!ir) + goto ref_put; + + rc_unregister_device(ir->rc); + + kfree(ir->i2c_client); + + /* done */ + kfree(ir); + dev->ir = NULL; + +ref_put: + kref_put(&dev->ref, em28xx_free_device); + + return 0; +} + +static int em28xx_ir_suspend(struct em28xx *dev) +{ + struct em28xx_IR *ir = dev->ir; + + if (dev->is_audio_only) + return 0; + + dev_info(&dev->intf->dev, "Suspending input extension\n"); + if (ir) + cancel_delayed_work_sync(&ir->work); + cancel_delayed_work_sync(&dev->buttons_query_work); + /* + * is canceling delayed work sufficient or does the rc event + * kthread needs stopping? kthread is stopped in + * ir_raw_event_unregister() + */ + return 0; +} + +static int em28xx_ir_resume(struct em28xx *dev) +{ + struct em28xx_IR *ir = dev->ir; + + if (dev->is_audio_only) + return 0; + + dev_info(&dev->intf->dev, "Resuming input extension\n"); + /* + * if suspend calls ir_raw_event_unregister(), the should call + * ir_raw_event_register() + */ + if (ir) + schedule_delayed_work(&ir->work, msecs_to_jiffies(ir->polling)); + if (dev->num_button_polling_addresses) + schedule_delayed_work(&dev->buttons_query_work, + msecs_to_jiffies(dev->button_polling_interval)); + return 0; +} + +static struct em28xx_ops rc_ops = { + .id = EM28XX_RC, + .name = "Em28xx Input Extension", + .init = em28xx_ir_init, + .fini = em28xx_ir_fini, + .suspend = em28xx_ir_suspend, + .resume = em28xx_ir_resume, +}; + +static int __init em28xx_rc_register(void) +{ + return em28xx_register_extension(&rc_ops); +} + +static void __exit em28xx_rc_unregister(void) +{ + em28xx_unregister_extension(&rc_ops); +} + +MODULE_LICENSE("GPL v2"); +MODULE_AUTHOR("Mauro Carvalho Chehab"); +MODULE_DESCRIPTION(DRIVER_DESC " - input interface"); +MODULE_VERSION(EM28XX_VERSION); + +module_init(em28xx_rc_register); +module_exit(em28xx_rc_unregister); diff --git a/drivers/media/usb/em28xx/em28xx-reg.h b/drivers/media/usb/em28xx/em28xx-reg.h new file mode 100644 index 000000000..f53afe18e --- /dev/null +++ b/drivers/media/usb/em28xx/em28xx-reg.h @@ -0,0 +1,301 @@ +/* SPDX-License-Identifier: GPL-2.0 */ + +/* + * em28xx-reg.h - Register definitions for em28xx driver + */ + +#define EM_GPIO_0 ((unsigned char)BIT(0)) +#define EM_GPIO_1 ((unsigned char)BIT(1)) +#define EM_GPIO_2 ((unsigned char)BIT(2)) +#define EM_GPIO_3 ((unsigned char)BIT(3)) +#define EM_GPIO_4 ((unsigned char)BIT(4)) +#define EM_GPIO_5 ((unsigned char)BIT(5)) +#define EM_GPIO_6 ((unsigned char)BIT(6)) +#define EM_GPIO_7 ((unsigned char)BIT(7)) + +#define EM_GPO_0 ((unsigned char)BIT(0)) +#define EM_GPO_1 ((unsigned char)BIT(1)) +#define EM_GPO_2 ((unsigned char)BIT(2)) +#define EM_GPO_3 ((unsigned char)BIT(3)) + +/* em28xx endpoints */ +/* 0x82: (always ?) analog */ +#define EM28XX_EP_AUDIO 0x83 +/* 0x84: digital or analog */ + +/* em2800 registers */ +#define EM2800_R08_AUDIOSRC 0x08 + +/* em28xx registers */ + +#define EM28XX_R00_CHIPCFG 0x00 + +/* em28xx Chip Configuration 0x00 */ +#define EM2860_CHIPCFG_VENDOR_AUDIO 0x80 +#define EM2860_CHIPCFG_I2S_VOLUME_CAPABLE 0x40 +#define EM2820_CHIPCFG_I2S_3_SAMPRATES 0x30 +#define EM2860_CHIPCFG_I2S_5_SAMPRATES 0x30 +#define EM2820_CHIPCFG_I2S_1_SAMPRATE 0x20 +#define EM2860_CHIPCFG_I2S_3_SAMPRATES 0x20 +#define EM28XX_CHIPCFG_AC97 0x10 +#define EM28XX_CHIPCFG_AUDIOMASK 0x30 + +#define EM28XX_R01_CHIPCFG2 0x01 + +/* em28xx Chip Configuration 2 0x01 */ +#define EM28XX_CHIPCFG2_TS_PRESENT 0x10 +#define EM28XX_CHIPCFG2_TS_REQ_INTERVAL_MASK 0x0c /* bits 3-2 */ +#define EM28XX_CHIPCFG2_TS_REQ_INTERVAL_1MF 0x00 +#define EM28XX_CHIPCFG2_TS_REQ_INTERVAL_2MF 0x04 +#define EM28XX_CHIPCFG2_TS_REQ_INTERVAL_4MF 0x08 +#define EM28XX_CHIPCFG2_TS_REQ_INTERVAL_8MF 0x0c +#define EM28XX_CHIPCFG2_TS_PACKETSIZE_MASK 0x03 /* bits 0-1 */ +#define EM28XX_CHIPCFG2_TS_PACKETSIZE_188 0x00 +#define EM28XX_CHIPCFG2_TS_PACKETSIZE_376 0x01 +#define EM28XX_CHIPCFG2_TS_PACKETSIZE_564 0x02 +#define EM28XX_CHIPCFG2_TS_PACKETSIZE_752 0x03 + +/* GPIO/GPO registers */ +#define EM2880_R04_GPO 0x04 /* em2880-em2883 only */ +#define EM2820_R08_GPIO_CTRL 0x08 /* em2820-em2873/83 only */ +#define EM2820_R09_GPIO_STATE 0x09 /* em2820-em2873/83 only */ + +#define EM28XX_R06_I2C_CLK 0x06 + +/* em28xx I2C Clock Register (0x06) */ +#define EM28XX_I2C_CLK_ACK_LAST_READ 0x80 +#define EM28XX_I2C_CLK_WAIT_ENABLE 0x40 +#define EM28XX_I2C_EEPROM_ON_BOARD 0x08 +#define EM28XX_I2C_EEPROM_KEY_VALID 0x04 +#define EM2874_I2C_SECONDARY_BUS_SELECT 0x04 /* em2874 has two i2c busses */ +#define EM28XX_I2C_FREQ_1_5_MHZ 0x03 /* bus frequency (bits [1-0]) */ +#define EM28XX_I2C_FREQ_25_KHZ 0x02 +#define EM28XX_I2C_FREQ_400_KHZ 0x01 +#define EM28XX_I2C_FREQ_100_KHZ 0x00 + +#define EM28XX_R0A_CHIPID 0x0a +#define EM28XX_R0C_USBSUSP 0x0c +#define EM28XX_R0C_USBSUSP_SNAPSHOT 0x20 /* 1=button pressed, needs reset */ + +#define EM28XX_R0E_AUDIOSRC 0x0e +#define EM28XX_R0F_XCLK 0x0f + +/* em28xx XCLK Register (0x0f) */ +#define EM28XX_XCLK_AUDIO_UNMUTE 0x80 /* otherwise audio muted */ +#define EM28XX_XCLK_I2S_MSB_TIMING 0x40 /* otherwise standard timing */ +#define EM28XX_XCLK_IR_RC5_MODE 0x20 /* otherwise NEC mode */ +#define EM28XX_XCLK_IR_NEC_CHK_PARITY 0x10 +#define EM28XX_XCLK_FREQUENCY_30MHZ 0x00 /* Freq. select (bits [3-0]) */ +#define EM28XX_XCLK_FREQUENCY_15MHZ 0x01 +#define EM28XX_XCLK_FREQUENCY_10MHZ 0x02 +#define EM28XX_XCLK_FREQUENCY_7_5MHZ 0x03 +#define EM28XX_XCLK_FREQUENCY_6MHZ 0x04 +#define EM28XX_XCLK_FREQUENCY_5MHZ 0x05 +#define EM28XX_XCLK_FREQUENCY_4_3MHZ 0x06 +#define EM28XX_XCLK_FREQUENCY_12MHZ 0x07 +#define EM28XX_XCLK_FREQUENCY_20MHZ 0x08 +#define EM28XX_XCLK_FREQUENCY_20MHZ_2 0x09 +#define EM28XX_XCLK_FREQUENCY_48MHZ 0x0a +#define EM28XX_XCLK_FREQUENCY_24MHZ 0x0b + +#define EM28XX_R10_VINMODE 0x10 + /* used by all non-camera devices: */ +#define EM28XX_VINMODE_YUV422_CbYCrY 0x10 + /* used by camera devices: */ +#define EM28XX_VINMODE_YUV422_YUYV 0x08 +#define EM28XX_VINMODE_YUV422_YVYU 0x09 +#define EM28XX_VINMODE_YUV422_UYVY 0x0a +#define EM28XX_VINMODE_YUV422_VYUY 0x0b +#define EM28XX_VINMODE_RGB8_BGGR 0x0c +#define EM28XX_VINMODE_RGB8_GRBG 0x0d +#define EM28XX_VINMODE_RGB8_GBRG 0x0e +#define EM28XX_VINMODE_RGB8_RGGB 0x0f + /* + * apparently: + * bit 0: swap component 1+2 with 3+4 + * => e.g.: YUYV => YVYU, BGGR => GRBG + * bit 1: swap component 1 with 2 and 3 with 4 + * => e.g.: YUYV => UYVY, BGGR => GBRG + */ + +#define EM28XX_R11_VINCTRL 0x11 + +/* em28xx Video Input Control Register 0x11 */ +#define EM28XX_VINCTRL_VBI_SLICED 0x80 +#define EM28XX_VINCTRL_VBI_RAW 0x40 +#define EM28XX_VINCTRL_VOUT_MODE_IN 0x20 /* HREF,VREF,VACT in output */ +#define EM28XX_VINCTRL_CCIR656_ENABLE 0x10 +#define EM28XX_VINCTRL_VBI_16BIT_RAW 0x08 /* otherwise 8-bit raw */ +#define EM28XX_VINCTRL_FID_ON_HREF 0x04 +#define EM28XX_VINCTRL_DUAL_EDGE_STROBE 0x02 +#define EM28XX_VINCTRL_INTERLACED 0x01 + +#define EM28XX_R12_VINENABLE 0x12 /* */ + +#define EM28XX_R14_GAMMA 0x14 +#define EM28XX_R15_RGAIN 0x15 +#define EM28XX_R16_GGAIN 0x16 +#define EM28XX_R17_BGAIN 0x17 +#define EM28XX_R18_ROFFSET 0x18 +#define EM28XX_R19_GOFFSET 0x19 +#define EM28XX_R1A_BOFFSET 0x1a + +#define EM28XX_R1B_OFLOW 0x1b +#define EM28XX_R1C_HSTART 0x1c +#define EM28XX_R1D_VSTART 0x1d +#define EM28XX_R1E_CWIDTH 0x1e +#define EM28XX_R1F_CHEIGHT 0x1f + +#define EM28XX_R20_YGAIN 0x20 /* contrast [0:4] */ +#define CONTRAST_DEFAULT 0x10 + +#define EM28XX_R21_YOFFSET 0x21 /* brightness */ /* signed */ +#define BRIGHTNESS_DEFAULT 0x00 + +#define EM28XX_R22_UVGAIN 0x22 /* saturation [0:4] */ +#define SATURATION_DEFAULT 0x10 + +#define EM28XX_R23_UOFFSET 0x23 /* blue balance */ /* signed */ +#define BLUE_BALANCE_DEFAULT 0x00 + +#define EM28XX_R24_VOFFSET 0x24 /* red balance */ /* signed */ +#define RED_BALANCE_DEFAULT 0x00 + +#define EM28XX_R25_SHARPNESS 0x25 /* sharpness [0:4] */ +#define SHARPNESS_DEFAULT 0x00 + +#define EM28XX_R26_COMPR 0x26 +#define EM28XX_R27_OUTFMT 0x27 + +/* em28xx Output Format Register (0x27) */ +#define EM28XX_OUTFMT_RGB_8_RGRG 0x00 +#define EM28XX_OUTFMT_RGB_8_GRGR 0x01 +#define EM28XX_OUTFMT_RGB_8_GBGB 0x02 +#define EM28XX_OUTFMT_RGB_8_BGBG 0x03 +#define EM28XX_OUTFMT_RGB_16_656 0x04 +#define EM28XX_OUTFMT_RGB_8_BAYER 0x08 /* Pattern in Reg 0x10[1-0] */ +#define EM28XX_OUTFMT_YUV211 0x10 +#define EM28XX_OUTFMT_YUV422_Y0UY1V 0x14 +#define EM28XX_OUTFMT_YUV422_Y1UY0V 0x15 +#define EM28XX_OUTFMT_YUV411 0x18 + +#define EM28XX_R28_XMIN 0x28 +#define EM28XX_R29_XMAX 0x29 +#define EM28XX_R2A_YMIN 0x2a +#define EM28XX_R2B_YMAX 0x2b + +#define EM28XX_R30_HSCALELOW 0x30 +#define EM28XX_R31_HSCALEHIGH 0x31 +#define EM28XX_R32_VSCALELOW 0x32 +#define EM28XX_R33_VSCALEHIGH 0x33 +#define EM28XX_HVSCALE_MAX 0x3fff /* => 20% */ + +#define EM28XX_R34_VBI_START_H 0x34 +#define EM28XX_R35_VBI_START_V 0x35 +/* + * NOTE: the EM276x (and EM25xx, EM277x/8x ?) (camera bridges) use these + * registers for a different unknown purpose. + * => register 0x34 is set to capture width / 16 + * => register 0x35 is set to capture height / 16 + */ + +#define EM28XX_R36_VBI_WIDTH 0x36 +#define EM28XX_R37_VBI_HEIGHT 0x37 + +#define EM28XX_R40_AC97LSB 0x40 +#define EM28XX_R41_AC97MSB 0x41 +#define EM28XX_R42_AC97ADDR 0x42 +#define EM28XX_R43_AC97BUSY 0x43 + +#define EM28XX_R45_IR 0x45 + /* + * 0x45 bit 7 - parity bit + * bits 6-0 - count + * 0x46 IR brand + * 0x47 IR data + */ + +/* em2874 registers */ +#define EM2874_R50_IR_CONFIG 0x50 +#define EM2874_R51_IR 0x51 +#define EM2874_R5D_TS1_PKT_SIZE 0x5d +#define EM2874_R5E_TS2_PKT_SIZE 0x5e + /* + * For both TS1 and TS2, In isochronous mode: + * 0x01 188 bytes + * 0x02 376 bytes + * 0x03 564 bytes + * 0x04 752 bytes + * 0x05 940 bytes + * In bulk mode: + * 0x01..0xff total packet count in 188-byte + */ + +#define EM2874_R5F_TS_ENABLE 0x5f + +/* em2874/174/84, em25xx, em276x/7x/8x GPIO registers */ +/* + * NOTE: not all ports are bonded out; + * Some ports are multiplexed with special function I/O + */ +#define EM2874_R80_GPIO_P0_CTRL 0x80 +#define EM2874_R81_GPIO_P1_CTRL 0x81 +#define EM2874_R82_GPIO_P2_CTRL 0x82 +#define EM2874_R83_GPIO_P3_CTRL 0x83 +#define EM2874_R84_GPIO_P0_STATE 0x84 +#define EM2874_R85_GPIO_P1_STATE 0x85 +#define EM2874_R86_GPIO_P2_STATE 0x86 +#define EM2874_R87_GPIO_P3_STATE 0x87 + +/* em2874 IR config register (0x50) */ +#define EM2874_IR_NEC 0x00 +#define EM2874_IR_NEC_NO_PARITY 0x01 +#define EM2874_IR_RC5 0x04 +#define EM2874_IR_RC6_MODE_0 0x08 +#define EM2874_IR_RC6_MODE_6A 0x0b + +/* em2874 Transport Stream Enable Register (0x5f) */ +#define EM2874_TS1_CAPTURE_ENABLE ((unsigned char)BIT(0)) +#define EM2874_TS1_FILTER_ENABLE ((unsigned char)BIT(1)) +#define EM2874_TS1_NULL_DISCARD ((unsigned char)BIT(2)) +#define EM2874_TS2_CAPTURE_ENABLE ((unsigned char)BIT(4)) +#define EM2874_TS2_FILTER_ENABLE ((unsigned char)BIT(5)) +#define EM2874_TS2_NULL_DISCARD ((unsigned char)BIT(6)) + +/* register settings */ +#define EM2800_AUDIO_SRC_TUNER 0x0d +#define EM2800_AUDIO_SRC_LINE 0x0c +#define EM28XX_AUDIO_SRC_TUNER 0xc0 +#define EM28XX_AUDIO_SRC_LINE 0x80 + +/* FIXME: Need to be populated with the other chip ID's */ +enum em28xx_chip_id { + CHIP_ID_EM2800 = 7, + CHIP_ID_EM2710 = 17, + CHIP_ID_EM2820 = 18, /* Also used by some em2710 */ + CHIP_ID_EM2840 = 20, + CHIP_ID_EM2750 = 33, + CHIP_ID_EM2860 = 34, + CHIP_ID_EM2870 = 35, + CHIP_ID_EM2883 = 36, + CHIP_ID_EM2765 = 54, + CHIP_ID_EM2874 = 65, + CHIP_ID_EM2884 = 68, + CHIP_ID_EM28174 = 113, + CHIP_ID_EM28178 = 114, +}; + +/* + * Registers used by em202 + */ + +/* EMP202 vendor registers */ +#define EM202_EXT_MODEM_CTRL 0x3e +#define EM202_GPIO_CONF 0x4c +#define EM202_GPIO_POLARITY 0x4e +#define EM202_GPIO_STICKY 0x50 +#define EM202_GPIO_MASK 0x52 +#define EM202_GPIO_STATUS 0x54 +#define EM202_SPDIF_OUT_SEL 0x6a +#define EM202_ANTIPOP 0x72 +#define EM202_EAPD_GPIO_ACCESS 0x74 diff --git a/drivers/media/usb/em28xx/em28xx-v4l.h b/drivers/media/usb/em28xx/em28xx-v4l.h new file mode 100644 index 000000000..6216cdd18 --- /dev/null +++ b/drivers/media/usb/em28xx/em28xx-v4l.h @@ -0,0 +1,20 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * em28xx-video.c - driver for Empia EM2800/EM2820/2840 USB + * video capture devices + * + * Copyright (C) 2013-2014 Mauro Carvalho Chehab <mchehab+samsung@kernel.org> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +int em28xx_start_analog_streaming(struct vb2_queue *vq, unsigned int count); +void em28xx_stop_vbi_streaming(struct vb2_queue *vq); +extern const struct vb2_ops em28xx_vbi_qops; diff --git a/drivers/media/usb/em28xx/em28xx-vbi.c b/drivers/media/usb/em28xx/em28xx-vbi.c new file mode 100644 index 000000000..63c48361d --- /dev/null +++ b/drivers/media/usb/em28xx/em28xx-vbi.c @@ -0,0 +1,99 @@ +// SPDX-License-Identifier: GPL-2.0+ +// +// em28xx-vbi.c - VBI driver for em28xx +// +// Copyright (C) 2009 Devin Heitmueller <dheitmueller@kernellabs.com> +// +// This work was sponsored by EyeMagnet Limited. +// +// This program is free software; you can redistribute it and/or modify +// it under the terms of the GNU General Public License as published by +// the Free Software Foundation; either version 2 of the License, or +// (at your option) any later version. +// +// This program is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. + +#include "em28xx.h" + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/hardirq.h> +#include <linux/init.h> +#include <linux/usb.h> + +#include "em28xx-v4l.h" + +/* ------------------------------------------------------------------ */ + +static int vbi_queue_setup(struct vb2_queue *vq, + unsigned int *nbuffers, unsigned int *nplanes, + unsigned int sizes[], struct device *alloc_devs[]) +{ + struct em28xx *dev = vb2_get_drv_priv(vq); + struct em28xx_v4l2 *v4l2 = dev->v4l2; + unsigned long size = v4l2->vbi_width * v4l2->vbi_height * 2; + + if (*nbuffers < 2) + *nbuffers = 2; + + if (*nplanes) { + if (sizes[0] < size) + return -EINVAL; + size = sizes[0]; + } + + *nplanes = 1; + sizes[0] = size; + + return 0; +} + +static int vbi_buffer_prepare(struct vb2_buffer *vb) +{ + struct em28xx *dev = vb2_get_drv_priv(vb->vb2_queue); + struct em28xx_v4l2 *v4l2 = dev->v4l2; + unsigned long size; + + size = v4l2->vbi_width * v4l2->vbi_height * 2; + + if (vb2_plane_size(vb, 0) < size) { + dev_info(&dev->intf->dev, + "%s data will not fit into plane (%lu < %lu)\n", + __func__, vb2_plane_size(vb, 0), size); + return -EINVAL; + } + vb2_set_plane_payload(vb, 0, size); + + return 0; +} + +static void +vbi_buffer_queue(struct vb2_buffer *vb) +{ + struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); + struct em28xx *dev = vb2_get_drv_priv(vb->vb2_queue); + struct em28xx_buffer *buf = + container_of(vbuf, struct em28xx_buffer, vb); + struct em28xx_dmaqueue *vbiq = &dev->vbiq; + unsigned long flags = 0; + + buf->mem = vb2_plane_vaddr(vb, 0); + buf->length = vb2_plane_size(vb, 0); + + spin_lock_irqsave(&dev->slock, flags); + list_add_tail(&buf->list, &vbiq->active); + spin_unlock_irqrestore(&dev->slock, flags); +} + +const struct vb2_ops em28xx_vbi_qops = { + .queue_setup = vbi_queue_setup, + .buf_prepare = vbi_buffer_prepare, + .buf_queue = vbi_buffer_queue, + .start_streaming = em28xx_start_analog_streaming, + .stop_streaming = em28xx_stop_vbi_streaming, + .wait_prepare = vb2_ops_wait_prepare, + .wait_finish = vb2_ops_wait_finish, +}; diff --git a/drivers/media/usb/em28xx/em28xx-video.c b/drivers/media/usb/em28xx/em28xx-video.c new file mode 100644 index 000000000..3bf98ac89 --- /dev/null +++ b/drivers/media/usb/em28xx/em28xx-video.c @@ -0,0 +1,2945 @@ +// SPDX-License-Identifier: GPL-2.0+ +// +// em28xx-video.c - driver for Empia EM2800/EM2820/2840 USB +// video capture devices +// +// Copyright (C) 2005 Ludovico Cavedon <cavedon@sssup.it> +// Markus Rechberger <mrechberger@gmail.com> +// Mauro Carvalho Chehab <mchehab@kernel.org> +// Sascha Sommer <saschasommer@freenet.de> +// Copyright (C) 2012 Frank Schäfer <fschaefer.oss@googlemail.com> +// +// Some parts based on SN9C10x PC Camera Controllers GPL driver made +// by Luca Risolia <luca.risolia@studio.unibo.it> +// +// This program is free software; you can redistribute it and/or modify +// it under the terms of the GNU General Public License as published by +// the Free Software Foundation; either version 2 of the License, or +// (at your option) any later version. +// +// This program is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. + +#include "em28xx.h" + +#include <linux/init.h> +#include <linux/list.h> +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/bitmap.h> +#include <linux/usb.h> +#include <linux/i2c.h> +#include <linux/mm.h> +#include <linux/mutex.h> +#include <linux/slab.h> + +#include "em28xx-v4l.h" +#include <media/v4l2-common.h> +#include <media/v4l2-ioctl.h> +#include <media/v4l2-event.h> +#include <media/drv-intf/msp3400.h> +#include <media/tuner.h> + +#define DRIVER_AUTHOR "Ludovico Cavedon <cavedon@sssup.it>, " \ + "Markus Rechberger <mrechberger@gmail.com>, " \ + "Mauro Carvalho Chehab <mchehab@kernel.org>, " \ + "Sascha Sommer <saschasommer@freenet.de>" + +static unsigned int isoc_debug; +module_param(isoc_debug, int, 0644); +MODULE_PARM_DESC(isoc_debug, "enable debug messages [isoc transfers]"); + +static unsigned int disable_vbi; +module_param(disable_vbi, int, 0644); +MODULE_PARM_DESC(disable_vbi, "disable vbi support"); + +static int alt; +module_param(alt, int, 0644); +MODULE_PARM_DESC(alt, "alternate setting to use for video endpoint"); + +#define em28xx_videodbg(fmt, arg...) do { \ + if (video_debug) \ + dev_printk(KERN_DEBUG, &dev->intf->dev, \ + "video: %s: " fmt, __func__, ## arg); \ +} while (0) + +#define em28xx_isocdbg(fmt, arg...) do {\ + if (isoc_debug) \ + dev_printk(KERN_DEBUG, &dev->intf->dev, \ + "isoc: %s: " fmt, __func__, ## arg); \ +} while (0) + +MODULE_AUTHOR(DRIVER_AUTHOR); +MODULE_DESCRIPTION(DRIVER_DESC " - v4l2 interface"); +MODULE_LICENSE("GPL v2"); +MODULE_VERSION(EM28XX_VERSION); + +#define EM25XX_FRMDATAHDR_BYTE1 0x02 +#define EM25XX_FRMDATAHDR_BYTE2_STILL_IMAGE 0x20 +#define EM25XX_FRMDATAHDR_BYTE2_FRAME_END 0x02 +#define EM25XX_FRMDATAHDR_BYTE2_FRAME_ID 0x01 +#define EM25XX_FRMDATAHDR_BYTE2_MASK (EM25XX_FRMDATAHDR_BYTE2_STILL_IMAGE | \ + EM25XX_FRMDATAHDR_BYTE2_FRAME_END | \ + EM25XX_FRMDATAHDR_BYTE2_FRAME_ID) + +static unsigned int video_nr[] = {[0 ... (EM28XX_MAXBOARDS - 1)] = -1U }; +static unsigned int vbi_nr[] = {[0 ... (EM28XX_MAXBOARDS - 1)] = -1U }; +static unsigned int radio_nr[] = {[0 ... (EM28XX_MAXBOARDS - 1)] = -1U }; + +module_param_array(video_nr, int, NULL, 0444); +module_param_array(vbi_nr, int, NULL, 0444); +module_param_array(radio_nr, int, NULL, 0444); +MODULE_PARM_DESC(video_nr, "video device numbers"); +MODULE_PARM_DESC(vbi_nr, "vbi device numbers"); +MODULE_PARM_DESC(radio_nr, "radio device numbers"); + +static unsigned int video_debug; +module_param(video_debug, int, 0644); +MODULE_PARM_DESC(video_debug, "enable debug messages [video]"); + +/* supported video standards */ +static struct em28xx_fmt format[] = { + { + .name = "16 bpp YUY2, 4:2:2, packed", + .fourcc = V4L2_PIX_FMT_YUYV, + .depth = 16, + .reg = EM28XX_OUTFMT_YUV422_Y0UY1V, + }, { + .name = "16 bpp RGB 565, LE", + .fourcc = V4L2_PIX_FMT_RGB565, + .depth = 16, + .reg = EM28XX_OUTFMT_RGB_16_656, + }, { + .name = "8 bpp Bayer RGRG..GBGB", + .fourcc = V4L2_PIX_FMT_SRGGB8, + .depth = 8, + .reg = EM28XX_OUTFMT_RGB_8_RGRG, + }, { + .name = "8 bpp Bayer BGBG..GRGR", + .fourcc = V4L2_PIX_FMT_SBGGR8, + .depth = 8, + .reg = EM28XX_OUTFMT_RGB_8_BGBG, + }, { + .name = "8 bpp Bayer GRGR..BGBG", + .fourcc = V4L2_PIX_FMT_SGRBG8, + .depth = 8, + .reg = EM28XX_OUTFMT_RGB_8_GRGR, + }, { + .name = "8 bpp Bayer GBGB..RGRG", + .fourcc = V4L2_PIX_FMT_SGBRG8, + .depth = 8, + .reg = EM28XX_OUTFMT_RGB_8_GBGB, + }, { + .name = "12 bpp YUV411", + .fourcc = V4L2_PIX_FMT_YUV411P, + .depth = 12, + .reg = EM28XX_OUTFMT_YUV411, + }, +}; + +/*FIXME: maxw should be dependent of alt mode */ +static inline unsigned int norm_maxw(struct em28xx *dev) +{ + struct em28xx_v4l2 *v4l2 = dev->v4l2; + + if (dev->is_webcam) + return v4l2->sensor_xres; + + if (dev->board.max_range_640_480) + return 640; + + return 720; +} + +static inline unsigned int norm_maxh(struct em28xx *dev) +{ + struct em28xx_v4l2 *v4l2 = dev->v4l2; + + if (dev->is_webcam) + return v4l2->sensor_yres; + + if (dev->board.max_range_640_480) + return 480; + + return (v4l2->norm & V4L2_STD_625_50) ? 576 : 480; +} + +static int em28xx_vbi_supported(struct em28xx *dev) +{ + /* Modprobe option to manually disable */ + if (disable_vbi == 1) + return 0; + + if (dev->is_webcam) + return 0; + + /* FIXME: check subdevices for VBI support */ + + if (dev->chip_id == CHIP_ID_EM2860 || + dev->chip_id == CHIP_ID_EM2883) + return 1; + + /* Version of em28xx that does not support VBI */ + return 0; +} + +/* + * em28xx_wake_i2c() + * configure i2c attached devices + */ +static void em28xx_wake_i2c(struct em28xx *dev) +{ + struct v4l2_device *v4l2_dev = &dev->v4l2->v4l2_dev; + + v4l2_device_call_all(v4l2_dev, 0, core, reset, 0); + v4l2_device_call_all(v4l2_dev, 0, video, s_routing, + INPUT(dev->ctl_input)->vmux, 0, 0); +} + +static int em28xx_colorlevels_set_default(struct em28xx *dev) +{ + em28xx_write_reg(dev, EM28XX_R20_YGAIN, CONTRAST_DEFAULT); + em28xx_write_reg(dev, EM28XX_R21_YOFFSET, BRIGHTNESS_DEFAULT); + em28xx_write_reg(dev, EM28XX_R22_UVGAIN, SATURATION_DEFAULT); + em28xx_write_reg(dev, EM28XX_R23_UOFFSET, BLUE_BALANCE_DEFAULT); + em28xx_write_reg(dev, EM28XX_R24_VOFFSET, RED_BALANCE_DEFAULT); + em28xx_write_reg(dev, EM28XX_R25_SHARPNESS, SHARPNESS_DEFAULT); + + em28xx_write_reg(dev, EM28XX_R14_GAMMA, 0x20); + em28xx_write_reg(dev, EM28XX_R15_RGAIN, 0x20); + em28xx_write_reg(dev, EM28XX_R16_GGAIN, 0x20); + em28xx_write_reg(dev, EM28XX_R17_BGAIN, 0x20); + em28xx_write_reg(dev, EM28XX_R18_ROFFSET, 0x00); + em28xx_write_reg(dev, EM28XX_R19_GOFFSET, 0x00); + return em28xx_write_reg(dev, EM28XX_R1A_BOFFSET, 0x00); +} + +static int em28xx_set_outfmt(struct em28xx *dev) +{ + int ret; + u8 fmt, vinctrl; + struct em28xx_v4l2 *v4l2 = dev->v4l2; + + fmt = v4l2->format->reg; + if (!dev->is_em25xx) + fmt |= 0x20; + /* + * NOTE: it's not clear if this is really needed ! + * The datasheets say bit 5 is a reserved bit and devices seem to work + * fine without it. But the Windows driver sets it for em2710/50+em28xx + * devices and we've always been setting it, too. + * + * em2765 (em25xx, em276x/7x/8x) devices do NOT work with this bit set, + * it's likely used for an additional (compressed ?) format there. + */ + ret = em28xx_write_reg(dev, EM28XX_R27_OUTFMT, fmt); + if (ret < 0) + return ret; + + ret = em28xx_write_reg(dev, EM28XX_R10_VINMODE, v4l2->vinmode); + if (ret < 0) + return ret; + + vinctrl = v4l2->vinctl; + if (em28xx_vbi_supported(dev) == 1) { + vinctrl |= EM28XX_VINCTRL_VBI_RAW; + em28xx_write_reg(dev, EM28XX_R34_VBI_START_H, 0x00); + em28xx_write_reg(dev, EM28XX_R36_VBI_WIDTH, + v4l2->vbi_width / 4); + em28xx_write_reg(dev, EM28XX_R37_VBI_HEIGHT, v4l2->vbi_height); + if (v4l2->norm & V4L2_STD_525_60) { + /* NTSC */ + em28xx_write_reg(dev, EM28XX_R35_VBI_START_V, 0x09); + } else if (v4l2->norm & V4L2_STD_625_50) { + /* PAL */ + em28xx_write_reg(dev, EM28XX_R35_VBI_START_V, 0x07); + } + } + + return em28xx_write_reg(dev, EM28XX_R11_VINCTRL, vinctrl); +} + +static int em28xx_accumulator_set(struct em28xx *dev, u8 xmin, u8 xmax, + u8 ymin, u8 ymax) +{ + em28xx_videodbg("em28xx Scale: (%d,%d)-(%d,%d)\n", + xmin, ymin, xmax, ymax); + + em28xx_write_regs(dev, EM28XX_R28_XMIN, &xmin, 1); + em28xx_write_regs(dev, EM28XX_R29_XMAX, &xmax, 1); + em28xx_write_regs(dev, EM28XX_R2A_YMIN, &ymin, 1); + return em28xx_write_regs(dev, EM28XX_R2B_YMAX, &ymax, 1); +} + +static void em28xx_capture_area_set(struct em28xx *dev, u8 hstart, u8 vstart, + u16 width, u16 height) +{ + u8 cwidth = width >> 2; + u8 cheight = height >> 2; + u8 overflow = (height >> 9 & 0x02) | (width >> 10 & 0x01); + /* NOTE: size limit: 2047x1023 = 2MPix */ + + em28xx_videodbg("capture area set to (%d,%d): %dx%d\n", + hstart, vstart, + ((overflow & 2) << 9 | cwidth << 2), + ((overflow & 1) << 10 | cheight << 2)); + + em28xx_write_regs(dev, EM28XX_R1C_HSTART, &hstart, 1); + em28xx_write_regs(dev, EM28XX_R1D_VSTART, &vstart, 1); + em28xx_write_regs(dev, EM28XX_R1E_CWIDTH, &cwidth, 1); + em28xx_write_regs(dev, EM28XX_R1F_CHEIGHT, &cheight, 1); + em28xx_write_regs(dev, EM28XX_R1B_OFLOW, &overflow, 1); + + /* FIXME: function/meaning of these registers ? */ + /* FIXME: align width+height to multiples of 4 ?! */ + if (dev->is_em25xx) { + em28xx_write_reg(dev, 0x34, width >> 4); + em28xx_write_reg(dev, 0x35, height >> 4); + } +} + +static int em28xx_scaler_set(struct em28xx *dev, u16 h, u16 v) +{ + u8 mode = 0x00; + /* the em2800 scaler only supports scaling down to 50% */ + + if (dev->board.is_em2800) { + mode = (v ? 0x20 : 0x00) | (h ? 0x10 : 0x00); + } else { + u8 buf[2]; + + buf[0] = h; + buf[1] = h >> 8; + em28xx_write_regs(dev, EM28XX_R30_HSCALELOW, (char *)buf, 2); + + buf[0] = v; + buf[1] = v >> 8; + em28xx_write_regs(dev, EM28XX_R32_VSCALELOW, (char *)buf, 2); + /* + * it seems that both H and V scalers must be active + * to work correctly + */ + mode = (h || v) ? 0x30 : 0x00; + } + return em28xx_write_reg(dev, EM28XX_R26_COMPR, mode); +} + +/* FIXME: this only function read values from dev */ +static int em28xx_resolution_set(struct em28xx *dev) +{ + struct em28xx_v4l2 *v4l2 = dev->v4l2; + int width = norm_maxw(dev); + int height = norm_maxh(dev); + + /* Properly setup VBI */ + v4l2->vbi_width = 720; + if (v4l2->norm & V4L2_STD_525_60) + v4l2->vbi_height = 12; + else + v4l2->vbi_height = 18; + + em28xx_set_outfmt(dev); + + em28xx_accumulator_set(dev, 1, (width - 4) >> 2, 1, (height - 4) >> 2); + + /* + * If we don't set the start position to 2 in VBI mode, we end up + * with line 20/21 being YUYV encoded instead of being in 8-bit + * greyscale. The core of the issue is that line 21 (and line 23 for + * PAL WSS) are inside of active video region, and as a result they + * get the pixelformatting associated with that area. So by cropping + * it out, we end up with the same format as the rest of the VBI + * region + */ + if (em28xx_vbi_supported(dev) == 1) + em28xx_capture_area_set(dev, 0, 2, width, height); + else + em28xx_capture_area_set(dev, 0, 0, width, height); + + return em28xx_scaler_set(dev, v4l2->hscale, v4l2->vscale); +} + +/* Set USB alternate setting for analog video */ +static int em28xx_set_alternate(struct em28xx *dev) +{ + struct em28xx_v4l2 *v4l2 = dev->v4l2; + struct usb_device *udev = interface_to_usbdev(dev->intf); + int err; + int i; + unsigned int min_pkt_size = v4l2->width * 2 + 4; + + /* + * NOTE: for isoc transfers, only alt settings > 0 are allowed + * bulk transfers seem to work only with alt=0 ! + */ + dev->alt = 0; + if (alt > 0 && alt < dev->num_alt) { + em28xx_videodbg("alternate forced to %d\n", dev->alt); + dev->alt = alt; + goto set_alt; + } + if (dev->analog_xfer_bulk) + goto set_alt; + + /* + * When image size is bigger than a certain value, + * the frame size should be increased, otherwise, only + * green screen will be received. + */ + if (v4l2->width * 2 * v4l2->height > 720 * 240 * 2) + min_pkt_size *= 2; + + for (i = 0; i < dev->num_alt; i++) { + /* stop when the selected alt setting offers enough bandwidth */ + if (dev->alt_max_pkt_size_isoc[i] >= min_pkt_size) { + dev->alt = i; + break; + /* + * otherwise make sure that we end up with the maximum + * bandwidth because the min_pkt_size equation might be wrong. + * + */ + } else if (dev->alt_max_pkt_size_isoc[i] > + dev->alt_max_pkt_size_isoc[dev->alt]) + dev->alt = i; + } + +set_alt: + /* + * NOTE: for bulk transfers, we need to call usb_set_interface() + * even if the previous settings were the same. Otherwise streaming + * fails with all urbs having status = -EOVERFLOW ! + */ + if (dev->analog_xfer_bulk) { + dev->max_pkt_size = 512; /* USB 2.0 spec */ + dev->packet_multiplier = EM28XX_BULK_PACKET_MULTIPLIER; + } else { /* isoc */ + em28xx_videodbg("minimum isoc packet size: %u (alt=%d)\n", + min_pkt_size, dev->alt); + dev->max_pkt_size = + dev->alt_max_pkt_size_isoc[dev->alt]; + dev->packet_multiplier = EM28XX_NUM_ISOC_PACKETS; + } + em28xx_videodbg("setting alternate %d with wMaxPacketSize=%u\n", + dev->alt, dev->max_pkt_size); + err = usb_set_interface(udev, dev->ifnum, dev->alt); + if (err < 0) { + dev_err(&dev->intf->dev, + "cannot change alternate number to %d (error=%i)\n", + dev->alt, err); + return err; + } + return 0; +} + +/* + * DMA and thread functions + */ + +/* + * Finish the current buffer + */ +static inline void finish_buffer(struct em28xx *dev, + struct em28xx_buffer *buf) +{ + em28xx_isocdbg("[%p/%d] wakeup\n", buf, buf->top_field); + + buf->vb.sequence = dev->v4l2->field_count++; + if (dev->v4l2->progressive) + buf->vb.field = V4L2_FIELD_NONE; + else + buf->vb.field = V4L2_FIELD_INTERLACED; + buf->vb.vb2_buf.timestamp = ktime_get_ns(); + + vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_DONE); +} + +/* + * Copy picture data from USB buffer to videobuf buffer + */ +static void em28xx_copy_video(struct em28xx *dev, + struct em28xx_buffer *buf, + unsigned char *usb_buf, + unsigned long len) +{ + struct em28xx_v4l2 *v4l2 = dev->v4l2; + void *fieldstart, *startwrite, *startread; + int linesdone, currlinedone, offset, lencopy, remain; + int bytesperline = v4l2->width << 1; + + if (buf->pos + len > buf->length) + len = buf->length - buf->pos; + + startread = usb_buf; + remain = len; + + if (v4l2->progressive || buf->top_field) + fieldstart = buf->vb_buf; + else /* interlaced mode, even nr. of lines */ + fieldstart = buf->vb_buf + bytesperline; + + linesdone = buf->pos / bytesperline; + currlinedone = buf->pos % bytesperline; + + if (v4l2->progressive) + offset = linesdone * bytesperline + currlinedone; + else + offset = linesdone * bytesperline * 2 + currlinedone; + + startwrite = fieldstart + offset; + lencopy = bytesperline - currlinedone; + lencopy = lencopy > remain ? remain : lencopy; + + if ((char *)startwrite + lencopy > (char *)buf->vb_buf + buf->length) { + em28xx_isocdbg("Overflow of %zu bytes past buffer end (1)\n", + ((char *)startwrite + lencopy) - + ((char *)buf->vb_buf + buf->length)); + remain = (char *)buf->vb_buf + buf->length - + (char *)startwrite; + lencopy = remain; + } + if (lencopy <= 0) + return; + memcpy(startwrite, startread, lencopy); + + remain -= lencopy; + + while (remain > 0) { + if (v4l2->progressive) + startwrite += lencopy; + else + startwrite += lencopy + bytesperline; + startread += lencopy; + if (bytesperline > remain) + lencopy = remain; + else + lencopy = bytesperline; + + if ((char *)startwrite + lencopy > (char *)buf->vb_buf + + buf->length) { + em28xx_isocdbg("Overflow of %zu bytes past buffer end(2)\n", + ((char *)startwrite + lencopy) - + ((char *)buf->vb_buf + buf->length)); + remain = (char *)buf->vb_buf + buf->length - + (char *)startwrite; + lencopy = remain; + } + if (lencopy <= 0) + break; + + memcpy(startwrite, startread, lencopy); + + remain -= lencopy; + } + + buf->pos += len; +} + +/* + * Copy VBI data from USB buffer to videobuf buffer + */ +static void em28xx_copy_vbi(struct em28xx *dev, + struct em28xx_buffer *buf, + unsigned char *usb_buf, + unsigned long len) +{ + unsigned int offset; + + if (buf->pos + len > buf->length) + len = buf->length - buf->pos; + + offset = buf->pos; + /* Make sure the bottom field populates the second half of the frame */ + if (buf->top_field == 0) + offset += dev->v4l2->vbi_width * dev->v4l2->vbi_height; + + memcpy(buf->vb_buf + offset, usb_buf, len); + buf->pos += len; +} + +static inline void print_err_status(struct em28xx *dev, + int packet, int status) +{ + char *errmsg = "Unknown"; + + switch (status) { + case -ENOENT: + errmsg = "unlinked synchronously"; + break; + case -ECONNRESET: + errmsg = "unlinked asynchronously"; + break; + case -ENOSR: + errmsg = "Buffer error (overrun)"; + break; + case -EPIPE: + errmsg = "Stalled (device not responding)"; + break; + case -EOVERFLOW: + errmsg = "Babble (bad cable?)"; + break; + case -EPROTO: + errmsg = "Bit-stuff error (bad cable?)"; + break; + case -EILSEQ: + errmsg = "CRC/Timeout (could be anything)"; + break; + case -ETIME: + errmsg = "Device does not respond"; + break; + } + if (packet < 0) { + em28xx_isocdbg("URB status %d [%s].\n", status, errmsg); + } else { + em28xx_isocdbg("URB packet %d, status %d [%s].\n", + packet, status, errmsg); + } +} + +/* + * get the next available buffer from dma queue + */ +static inline struct em28xx_buffer *get_next_buf(struct em28xx *dev, + struct em28xx_dmaqueue *dma_q) +{ + struct em28xx_buffer *buf; + + if (list_empty(&dma_q->active)) { + em28xx_isocdbg("No active queue to serve\n"); + return NULL; + } + + /* Get the next buffer */ + buf = list_entry(dma_q->active.next, struct em28xx_buffer, list); + /* Cleans up buffer - Useful for testing for frame/URB loss */ + list_del(&buf->list); + buf->pos = 0; + buf->vb_buf = buf->mem; + + return buf; +} + +/* + * Finish the current buffer if completed and prepare for the next field + */ +static struct em28xx_buffer * +finish_field_prepare_next(struct em28xx *dev, + struct em28xx_buffer *buf, + struct em28xx_dmaqueue *dma_q) +{ + struct em28xx_v4l2 *v4l2 = dev->v4l2; + + if (v4l2->progressive || v4l2->top_field) { /* Brand new frame */ + if (buf) + finish_buffer(dev, buf); + buf = get_next_buf(dev, dma_q); + } + if (buf) { + buf->top_field = v4l2->top_field; + buf->pos = 0; + } + + return buf; +} + +/* + * Process data packet according to the em2710/em2750/em28xx frame data format + */ +static inline void process_frame_data_em28xx(struct em28xx *dev, + unsigned char *data_pkt, + unsigned int data_len) +{ + struct em28xx_v4l2 *v4l2 = dev->v4l2; + struct em28xx_buffer *buf = dev->usb_ctl.vid_buf; + struct em28xx_buffer *vbi_buf = dev->usb_ctl.vbi_buf; + struct em28xx_dmaqueue *dma_q = &dev->vidq; + struct em28xx_dmaqueue *vbi_dma_q = &dev->vbiq; + + /* + * capture type 0 = vbi start + * capture type 1 = vbi in progress + * capture type 2 = video start + * capture type 3 = video in progress + */ + if (data_len >= 4) { + /* + * NOTE: Headers are always 4 bytes and + * never split across packets + */ + if (data_pkt[0] == 0x88 && data_pkt[1] == 0x88 && + data_pkt[2] == 0x88 && data_pkt[3] == 0x88) { + /* Continuation */ + data_pkt += 4; + data_len -= 4; + } else if (data_pkt[0] == 0x33 && data_pkt[1] == 0x95) { + /* Field start (VBI mode) */ + v4l2->capture_type = 0; + v4l2->vbi_read = 0; + em28xx_isocdbg("VBI START HEADER !!!\n"); + v4l2->top_field = !(data_pkt[2] & 1); + data_pkt += 4; + data_len -= 4; + } else if (data_pkt[0] == 0x22 && data_pkt[1] == 0x5a) { + /* Field start (VBI disabled) */ + v4l2->capture_type = 2; + em28xx_isocdbg("VIDEO START HEADER !!!\n"); + v4l2->top_field = !(data_pkt[2] & 1); + data_pkt += 4; + data_len -= 4; + } + } + /* + * NOTE: With bulk transfers, intermediate data packets + * have no continuation header + */ + + if (v4l2->capture_type == 0) { + vbi_buf = finish_field_prepare_next(dev, vbi_buf, vbi_dma_q); + dev->usb_ctl.vbi_buf = vbi_buf; + v4l2->capture_type = 1; + } + + if (v4l2->capture_type == 1) { + int vbi_size = v4l2->vbi_width * v4l2->vbi_height; + int vbi_data_len = ((v4l2->vbi_read + data_len) > vbi_size) ? + (vbi_size - v4l2->vbi_read) : data_len; + + /* Copy VBI data */ + if (vbi_buf) + em28xx_copy_vbi(dev, vbi_buf, data_pkt, vbi_data_len); + v4l2->vbi_read += vbi_data_len; + + if (vbi_data_len < data_len) { + /* Continue with copying video data */ + v4l2->capture_type = 2; + data_pkt += vbi_data_len; + data_len -= vbi_data_len; + } + } + + if (v4l2->capture_type == 2) { + buf = finish_field_prepare_next(dev, buf, dma_q); + dev->usb_ctl.vid_buf = buf; + v4l2->capture_type = 3; + } + + if (v4l2->capture_type == 3 && buf && data_len > 0) + em28xx_copy_video(dev, buf, data_pkt, data_len); +} + +/* + * Process data packet according to the em25xx/em276x/7x/8x frame data format + */ +static inline void process_frame_data_em25xx(struct em28xx *dev, + unsigned char *data_pkt, + unsigned int data_len) +{ + struct em28xx_buffer *buf = dev->usb_ctl.vid_buf; + struct em28xx_dmaqueue *dmaq = &dev->vidq; + struct em28xx_v4l2 *v4l2 = dev->v4l2; + bool frame_end = false; + + /* Check for header */ + /* + * NOTE: at least with bulk transfers, only the first packet + * has a header and has always set the FRAME_END bit + */ + if (data_len >= 2) { /* em25xx header is only 2 bytes long */ + if ((data_pkt[0] == EM25XX_FRMDATAHDR_BYTE1) && + ((data_pkt[1] & ~EM25XX_FRMDATAHDR_BYTE2_MASK) == 0x00)) { + v4l2->top_field = !(data_pkt[1] & + EM25XX_FRMDATAHDR_BYTE2_FRAME_ID); + frame_end = data_pkt[1] & + EM25XX_FRMDATAHDR_BYTE2_FRAME_END; + data_pkt += 2; + data_len -= 2; + } + + /* Finish field and prepare next (BULK only) */ + if (dev->analog_xfer_bulk && frame_end) { + buf = finish_field_prepare_next(dev, buf, dmaq); + dev->usb_ctl.vid_buf = buf; + } + /* + * NOTE: in ISOC mode when a new frame starts and buf==NULL, + * we COULD already prepare a buffer here to avoid skipping the + * first frame. + */ + } + + /* Copy data */ + if (buf && data_len > 0) + em28xx_copy_video(dev, buf, data_pkt, data_len); + + /* Finish frame (ISOC only) => avoids lag of 1 frame */ + if (!dev->analog_xfer_bulk && frame_end) { + buf = finish_field_prepare_next(dev, buf, dmaq); + dev->usb_ctl.vid_buf = buf; + } + + /* + * NOTES: + * + * 1) Tested with USB bulk transfers only ! + * The wording in the datasheet suggests that isoc might work different. + * The current code assumes that with isoc transfers each packet has a + * header like with the other em28xx devices. + * + * 2) Support for interlaced mode is pure theory. It has not been + * tested and it is unknown if these devices actually support it. + */ +} + +/* Processes and copies the URB data content (video and VBI data) */ +static inline int em28xx_urb_data_copy(struct em28xx *dev, struct urb *urb) +{ + int xfer_bulk, num_packets, i; + unsigned char *usb_data_pkt; + unsigned int usb_data_len; + + if (!dev) + return 0; + + if (dev->disconnected) + return 0; + + if (urb->status < 0) + print_err_status(dev, -1, urb->status); + + xfer_bulk = usb_pipebulk(urb->pipe); + + if (xfer_bulk) /* bulk */ + num_packets = 1; + else /* isoc */ + num_packets = urb->number_of_packets; + + for (i = 0; i < num_packets; i++) { + if (xfer_bulk) { /* bulk */ + usb_data_len = urb->actual_length; + + usb_data_pkt = urb->transfer_buffer; + } else { /* isoc */ + if (urb->iso_frame_desc[i].status < 0) { + print_err_status(dev, i, + urb->iso_frame_desc[i].status); + if (urb->iso_frame_desc[i].status != -EPROTO) + continue; + } + + usb_data_len = urb->iso_frame_desc[i].actual_length; + if (usb_data_len > dev->max_pkt_size) { + em28xx_isocdbg("packet bigger than packet size"); + continue; + } + + usb_data_pkt = urb->transfer_buffer + + urb->iso_frame_desc[i].offset; + } + + if (usb_data_len == 0) { + /* NOTE: happens very often with isoc transfers */ + /* em28xx_usbdbg("packet %d is empty",i); - spammy */ + continue; + } + + if (dev->is_em25xx) + process_frame_data_em25xx(dev, + usb_data_pkt, usb_data_len); + else + process_frame_data_em28xx(dev, + usb_data_pkt, usb_data_len); + } + return 1; +} + +static int get_resource(enum v4l2_buf_type f_type) +{ + switch (f_type) { + case V4L2_BUF_TYPE_VIDEO_CAPTURE: + return EM28XX_RESOURCE_VIDEO; + case V4L2_BUF_TYPE_VBI_CAPTURE: + return EM28XX_RESOURCE_VBI; + default: + WARN_ON(1); + return -1; /* Indicate that device is busy */ + } +} + +/* Usage lock check functions */ +static int res_get(struct em28xx *dev, enum v4l2_buf_type f_type) +{ + int res_type = get_resource(f_type); + + /* is it free? */ + if (dev->resources & res_type) { + /* no, someone else uses it */ + return -EBUSY; + } + + /* it's free, grab it */ + dev->resources |= res_type; + em28xx_videodbg("res: get %d\n", res_type); + return 0; +} + +static void res_free(struct em28xx *dev, enum v4l2_buf_type f_type) +{ + int res_type = get_resource(f_type); + + dev->resources &= ~res_type; + em28xx_videodbg("res: put %d\n", res_type); +} + +static void em28xx_v4l2_media_release(struct em28xx *dev) +{ +#ifdef CONFIG_MEDIA_CONTROLLER + int i; + + for (i = 0; i < MAX_EM28XX_INPUT; i++) { + if (!INPUT(i)->type) + return; + media_device_unregister_entity(&dev->input_ent[i]); + } +#endif +} + +/* + * Media Controller helper functions + */ + +static int em28xx_enable_analog_tuner(struct em28xx *dev) +{ +#ifdef CONFIG_MEDIA_CONTROLLER + struct media_device *mdev = dev->media_dev; + struct em28xx_v4l2 *v4l2 = dev->v4l2; + struct media_entity *source; + struct media_link *link, *found_link = NULL; + int ret, active_links = 0; + + if (!mdev || !v4l2->decoder) + return 0; + + /* + * This will find the tuner that is connected into the decoder. + * Technically, this is not 100% correct, as the device may be + * using an analog input instead of the tuner. However, as we can't + * do DVB streaming while the DMA engine is being used for V4L2, + * this should be enough for the actual needs. + */ + list_for_each_entry(link, &v4l2->decoder->links, list) { + if (link->sink->entity == v4l2->decoder) { + found_link = link; + if (link->flags & MEDIA_LNK_FL_ENABLED) + active_links++; + break; + } + } + + if (active_links == 1 || !found_link) + return 0; + + source = found_link->source->entity; + list_for_each_entry(link, &source->links, list) { + struct media_entity *sink; + int flags = 0; + + sink = link->sink->entity; + + if (sink == v4l2->decoder) + flags = MEDIA_LNK_FL_ENABLED; + + ret = media_entity_setup_link(link, flags); + if (ret) { + dev_err(&dev->intf->dev, + "Couldn't change link %s->%s to %s. Error %d\n", + source->name, sink->name, + flags ? "enabled" : "disabled", + ret); + return ret; + } + + em28xx_videodbg("link %s->%s was %s\n", + source->name, sink->name, + flags ? "ENABLED" : "disabled"); + } +#endif + return 0; +} + +static const char * const iname[] = { + [EM28XX_VMUX_COMPOSITE] = "Composite", + [EM28XX_VMUX_SVIDEO] = "S-Video", + [EM28XX_VMUX_TELEVISION] = "Television", + [EM28XX_RADIO] = "Radio", +}; + +static void em28xx_v4l2_create_entities(struct em28xx *dev) +{ +#if defined(CONFIG_MEDIA_CONTROLLER) + struct em28xx_v4l2 *v4l2 = dev->v4l2; + int ret, i; + + /* Initialize Video, VBI and Radio pads */ + v4l2->video_pad.flags = MEDIA_PAD_FL_SINK; + ret = media_entity_pads_init(&v4l2->vdev.entity, 1, &v4l2->video_pad); + if (ret < 0) + dev_err(&dev->intf->dev, + "failed to initialize video media entity!\n"); + + if (em28xx_vbi_supported(dev)) { + v4l2->vbi_pad.flags = MEDIA_PAD_FL_SINK; + ret = media_entity_pads_init(&v4l2->vbi_dev.entity, 1, + &v4l2->vbi_pad); + if (ret < 0) + dev_err(&dev->intf->dev, + "failed to initialize vbi media entity!\n"); + } + + /* Webcams don't have input connectors */ + if (dev->is_webcam) + return; + + /* Create entities for each input connector */ + for (i = 0; i < MAX_EM28XX_INPUT; i++) { + struct media_entity *ent = &dev->input_ent[i]; + + if (!INPUT(i)->type) + break; + + ent->name = iname[INPUT(i)->type]; + ent->flags = MEDIA_ENT_FL_CONNECTOR; + dev->input_pad[i].flags = MEDIA_PAD_FL_SOURCE; + + switch (INPUT(i)->type) { + case EM28XX_VMUX_COMPOSITE: + ent->function = MEDIA_ENT_F_CONN_COMPOSITE; + break; + case EM28XX_VMUX_SVIDEO: + ent->function = MEDIA_ENT_F_CONN_SVIDEO; + break; + default: /* EM28XX_VMUX_TELEVISION or EM28XX_RADIO */ + if (dev->tuner_type != TUNER_ABSENT) + ent->function = MEDIA_ENT_F_CONN_RF; + break; + } + + ret = media_entity_pads_init(ent, 1, &dev->input_pad[i]); + if (ret < 0) + dev_err(&dev->intf->dev, + "failed to initialize input pad[%d]!\n", i); + + ret = media_device_register_entity(dev->media_dev, ent); + if (ret < 0) + dev_err(&dev->intf->dev, + "failed to register input entity %d!\n", i); + } +#endif +} + +/* + * Videobuf2 operations + */ + +static int queue_setup(struct vb2_queue *vq, + unsigned int *nbuffers, unsigned int *nplanes, + unsigned int sizes[], struct device *alloc_devs[]) +{ + struct em28xx *dev = vb2_get_drv_priv(vq); + struct em28xx_v4l2 *v4l2 = dev->v4l2; + unsigned long size = + (v4l2->width * v4l2->height * v4l2->format->depth + 7) >> 3; + + if (*nplanes) + return sizes[0] < size ? -EINVAL : 0; + *nplanes = 1; + sizes[0] = size; + + em28xx_enable_analog_tuner(dev); + + return 0; +} + +static int +buffer_prepare(struct vb2_buffer *vb) +{ + struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); + struct em28xx *dev = vb2_get_drv_priv(vb->vb2_queue); + struct em28xx_v4l2 *v4l2 = dev->v4l2; + unsigned long size; + + em28xx_videodbg("%s, field=%d\n", __func__, vbuf->field); + + size = (v4l2->width * v4l2->height * v4l2->format->depth + 7) >> 3; + + if (vb2_plane_size(vb, 0) < size) { + em28xx_videodbg("%s data will not fit into plane (%lu < %lu)\n", + __func__, vb2_plane_size(vb, 0), size); + return -EINVAL; + } + vb2_set_plane_payload(vb, 0, size); + + return 0; +} + +int em28xx_start_analog_streaming(struct vb2_queue *vq, unsigned int count) +{ + struct em28xx *dev = vb2_get_drv_priv(vq); + struct em28xx_v4l2 *v4l2 = dev->v4l2; + struct v4l2_frequency f; + struct v4l2_fh *owner; + int rc = 0; + + em28xx_videodbg("%s\n", __func__); + + dev->v4l2->field_count = 0; + + /* + * Make sure streaming is not already in progress for this type + * of filehandle (e.g. video, vbi) + */ + rc = res_get(dev, vq->type); + if (rc) + return rc; + + if (v4l2->streaming_users == 0) { + /* First active streaming user, so allocate all the URBs */ + + /* Allocate the USB bandwidth */ + em28xx_set_alternate(dev); + + /* + * Needed, since GPIO might have disabled power of + * some i2c device + */ + em28xx_wake_i2c(dev); + + v4l2->capture_type = -1; + rc = em28xx_init_usb_xfer(dev, EM28XX_ANALOG_MODE, + dev->analog_xfer_bulk, + EM28XX_NUM_BUFS, + dev->max_pkt_size, + dev->packet_multiplier, + em28xx_urb_data_copy); + if (rc < 0) + return rc; + + /* + * djh: it's not clear whether this code is still needed. I'm + * leaving it in here for now entirely out of concern for + * backward compatibility (the old code did it) + */ + + /* Ask tuner to go to analog or radio mode */ + memset(&f, 0, sizeof(f)); + f.frequency = v4l2->frequency; + owner = (struct v4l2_fh *)vq->owner; + if (owner && owner->vdev->vfl_type == VFL_TYPE_RADIO) + f.type = V4L2_TUNER_RADIO; + else + f.type = V4L2_TUNER_ANALOG_TV; + v4l2_device_call_all(&v4l2->v4l2_dev, + 0, tuner, s_frequency, &f); + + /* Enable video stream at TV decoder */ + v4l2_device_call_all(&v4l2->v4l2_dev, 0, video, s_stream, 1); + } + + v4l2->streaming_users++; + + return rc; +} + +static void em28xx_stop_streaming(struct vb2_queue *vq) +{ + struct em28xx *dev = vb2_get_drv_priv(vq); + struct em28xx_v4l2 *v4l2 = dev->v4l2; + struct em28xx_dmaqueue *vidq = &dev->vidq; + unsigned long flags = 0; + + em28xx_videodbg("%s\n", __func__); + + res_free(dev, vq->type); + + if (v4l2->streaming_users-- == 1) { + /* Disable video stream at TV decoder */ + v4l2_device_call_all(&v4l2->v4l2_dev, 0, video, s_stream, 0); + + /* Last active user, so shutdown all the URBS */ + em28xx_uninit_usb_xfer(dev, EM28XX_ANALOG_MODE); + } + + spin_lock_irqsave(&dev->slock, flags); + if (dev->usb_ctl.vid_buf) { + vb2_buffer_done(&dev->usb_ctl.vid_buf->vb.vb2_buf, + VB2_BUF_STATE_ERROR); + dev->usb_ctl.vid_buf = NULL; + } + while (!list_empty(&vidq->active)) { + struct em28xx_buffer *buf; + + buf = list_entry(vidq->active.next, struct em28xx_buffer, list); + list_del(&buf->list); + vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR); + } + spin_unlock_irqrestore(&dev->slock, flags); +} + +void em28xx_stop_vbi_streaming(struct vb2_queue *vq) +{ + struct em28xx *dev = vb2_get_drv_priv(vq); + struct em28xx_v4l2 *v4l2 = dev->v4l2; + struct em28xx_dmaqueue *vbiq = &dev->vbiq; + unsigned long flags = 0; + + em28xx_videodbg("%s\n", __func__); + + res_free(dev, vq->type); + + if (v4l2->streaming_users-- == 1) { + /* Disable video stream at TV decoder */ + v4l2_device_call_all(&v4l2->v4l2_dev, 0, video, s_stream, 0); + + /* Last active user, so shutdown all the URBS */ + em28xx_uninit_usb_xfer(dev, EM28XX_ANALOG_MODE); + } + + spin_lock_irqsave(&dev->slock, flags); + if (dev->usb_ctl.vbi_buf) { + vb2_buffer_done(&dev->usb_ctl.vbi_buf->vb.vb2_buf, + VB2_BUF_STATE_ERROR); + dev->usb_ctl.vbi_buf = NULL; + } + while (!list_empty(&vbiq->active)) { + struct em28xx_buffer *buf; + + buf = list_entry(vbiq->active.next, struct em28xx_buffer, list); + list_del(&buf->list); + vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR); + } + spin_unlock_irqrestore(&dev->slock, flags); +} + +static void +buffer_queue(struct vb2_buffer *vb) +{ + struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); + struct em28xx *dev = vb2_get_drv_priv(vb->vb2_queue); + struct em28xx_buffer *buf = + container_of(vbuf, struct em28xx_buffer, vb); + struct em28xx_dmaqueue *vidq = &dev->vidq; + unsigned long flags = 0; + + em28xx_videodbg("%s\n", __func__); + buf->mem = vb2_plane_vaddr(vb, 0); + buf->length = vb2_plane_size(vb, 0); + + spin_lock_irqsave(&dev->slock, flags); + list_add_tail(&buf->list, &vidq->active); + spin_unlock_irqrestore(&dev->slock, flags); +} + +static const struct vb2_ops em28xx_video_qops = { + .queue_setup = queue_setup, + .buf_prepare = buffer_prepare, + .buf_queue = buffer_queue, + .start_streaming = em28xx_start_analog_streaming, + .stop_streaming = em28xx_stop_streaming, + .wait_prepare = vb2_ops_wait_prepare, + .wait_finish = vb2_ops_wait_finish, +}; + +static int em28xx_vb2_setup(struct em28xx *dev) +{ + int rc; + struct vb2_queue *q; + struct em28xx_v4l2 *v4l2 = dev->v4l2; + + /* Setup Videobuf2 for Video capture */ + q = &v4l2->vb_vidq; + q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + q->io_modes = VB2_READ | VB2_MMAP | VB2_USERPTR | VB2_DMABUF; + q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; + q->drv_priv = dev; + q->buf_struct_size = sizeof(struct em28xx_buffer); + q->ops = &em28xx_video_qops; + q->mem_ops = &vb2_vmalloc_memops; + + rc = vb2_queue_init(q); + if (rc < 0) + return rc; + + /* Setup Videobuf2 for VBI capture */ + q = &v4l2->vb_vbiq; + q->type = V4L2_BUF_TYPE_VBI_CAPTURE; + q->io_modes = VB2_READ | VB2_MMAP | VB2_USERPTR; + q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; + q->drv_priv = dev; + q->buf_struct_size = sizeof(struct em28xx_buffer); + q->ops = &em28xx_vbi_qops; + q->mem_ops = &vb2_vmalloc_memops; + + rc = vb2_queue_init(q); + if (rc < 0) + return rc; + + return 0; +} + +/* + * v4l2 interface + */ + +static void video_mux(struct em28xx *dev, int index) +{ + struct v4l2_device *v4l2_dev = &dev->v4l2->v4l2_dev; + + dev->ctl_input = index; + dev->ctl_ainput = INPUT(index)->amux; + dev->ctl_aoutput = INPUT(index)->aout; + + if (!dev->ctl_aoutput) + dev->ctl_aoutput = EM28XX_AOUT_MASTER; + + v4l2_device_call_all(v4l2_dev, 0, video, s_routing, + INPUT(index)->vmux, 0, 0); + + if (dev->has_msp34xx) { + if (dev->i2s_speed) { + v4l2_device_call_all(v4l2_dev, 0, audio, + s_i2s_clock_freq, dev->i2s_speed); + } + /* Note: this is msp3400 specific */ + v4l2_device_call_all(v4l2_dev, 0, audio, s_routing, + dev->ctl_ainput, + MSP_OUTPUT(MSP_SC_IN_DSP_SCART1), 0); + } + + if (dev->board.adecoder != EM28XX_NOADECODER) { + v4l2_device_call_all(v4l2_dev, 0, audio, s_routing, + dev->ctl_ainput, dev->ctl_aoutput, 0); + } + + em28xx_audio_analog_set(dev); +} + +static void em28xx_ctrl_notify(struct v4l2_ctrl *ctrl, void *priv) +{ + struct em28xx *dev = priv; + + /* + * In the case of non-AC97 volume controls, we still need + * to do some setups at em28xx, in order to mute/unmute + * and to adjust audio volume. However, the value ranges + * should be checked by the corresponding V4L subdriver. + */ + switch (ctrl->id) { + case V4L2_CID_AUDIO_MUTE: + dev->mute = ctrl->val; + em28xx_audio_analog_set(dev); + break; + case V4L2_CID_AUDIO_VOLUME: + dev->volume = ctrl->val; + em28xx_audio_analog_set(dev); + break; + } +} + +static int em28xx_s_ctrl(struct v4l2_ctrl *ctrl) +{ + struct em28xx_v4l2 *v4l2 = + container_of(ctrl->handler, struct em28xx_v4l2, ctrl_handler); + struct em28xx *dev = v4l2->dev; + int ret = -EINVAL; + + switch (ctrl->id) { + case V4L2_CID_AUDIO_MUTE: + dev->mute = ctrl->val; + ret = em28xx_audio_analog_set(dev); + break; + case V4L2_CID_AUDIO_VOLUME: + dev->volume = ctrl->val; + ret = em28xx_audio_analog_set(dev); + break; + case V4L2_CID_CONTRAST: + ret = em28xx_write_reg(dev, EM28XX_R20_YGAIN, ctrl->val); + break; + case V4L2_CID_BRIGHTNESS: + ret = em28xx_write_reg(dev, EM28XX_R21_YOFFSET, ctrl->val); + break; + case V4L2_CID_SATURATION: + ret = em28xx_write_reg(dev, EM28XX_R22_UVGAIN, ctrl->val); + break; + case V4L2_CID_BLUE_BALANCE: + ret = em28xx_write_reg(dev, EM28XX_R23_UOFFSET, ctrl->val); + break; + case V4L2_CID_RED_BALANCE: + ret = em28xx_write_reg(dev, EM28XX_R24_VOFFSET, ctrl->val); + break; + case V4L2_CID_SHARPNESS: + ret = em28xx_write_reg(dev, EM28XX_R25_SHARPNESS, ctrl->val); + break; + } + + return (ret < 0) ? ret : 0; +} + +static const struct v4l2_ctrl_ops em28xx_ctrl_ops = { + .s_ctrl = em28xx_s_ctrl, +}; + +static void size_to_scale(struct em28xx *dev, + unsigned int width, unsigned int height, + unsigned int *hscale, unsigned int *vscale) +{ + unsigned int maxw = norm_maxw(dev); + unsigned int maxh = norm_maxh(dev); + + *hscale = (((unsigned long)maxw) << 12) / width - 4096L; + if (*hscale > EM28XX_HVSCALE_MAX) + *hscale = EM28XX_HVSCALE_MAX; + + *vscale = (((unsigned long)maxh) << 12) / height - 4096L; + if (*vscale > EM28XX_HVSCALE_MAX) + *vscale = EM28XX_HVSCALE_MAX; +} + +static void scale_to_size(struct em28xx *dev, + unsigned int hscale, unsigned int vscale, + unsigned int *width, unsigned int *height) +{ + unsigned int maxw = norm_maxw(dev); + unsigned int maxh = norm_maxh(dev); + + *width = (((unsigned long)maxw) << 12) / (hscale + 4096L); + *height = (((unsigned long)maxh) << 12) / (vscale + 4096L); + + /* Don't let width or height to be zero */ + if (*width < 1) + *width = 1; + if (*height < 1) + *height = 1; +} + +/* + * IOCTL vidioc handling + */ + +static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, + struct v4l2_format *f) +{ + struct em28xx *dev = video_drvdata(file); + struct em28xx_v4l2 *v4l2 = dev->v4l2; + + f->fmt.pix.width = v4l2->width; + f->fmt.pix.height = v4l2->height; + f->fmt.pix.pixelformat = v4l2->format->fourcc; + f->fmt.pix.bytesperline = (v4l2->width * v4l2->format->depth + 7) >> 3; + f->fmt.pix.sizeimage = f->fmt.pix.bytesperline * v4l2->height; + f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; + + /* FIXME: TOP? NONE? BOTTOM? ALTENATE? */ + if (v4l2->progressive) + f->fmt.pix.field = V4L2_FIELD_NONE; + else + f->fmt.pix.field = v4l2->interlaced_fieldmode ? + V4L2_FIELD_INTERLACED : V4L2_FIELD_TOP; + return 0; +} + +static struct em28xx_fmt *format_by_fourcc(unsigned int fourcc) +{ + unsigned int i; + + for (i = 0; i < ARRAY_SIZE(format); i++) + if (format[i].fourcc == fourcc) + return &format[i]; + + return NULL; +} + +static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, + struct v4l2_format *f) +{ + struct em28xx *dev = video_drvdata(file); + struct em28xx_v4l2 *v4l2 = dev->v4l2; + unsigned int width = f->fmt.pix.width; + unsigned int height = f->fmt.pix.height; + unsigned int maxw = norm_maxw(dev); + unsigned int maxh = norm_maxh(dev); + unsigned int hscale, vscale; + struct em28xx_fmt *fmt; + + fmt = format_by_fourcc(f->fmt.pix.pixelformat); + if (!fmt) { + fmt = &format[0]; + em28xx_videodbg("Fourcc format (%08x) invalid. Using default (%08x).\n", + f->fmt.pix.pixelformat, fmt->fourcc); + } + + if (dev->board.is_em2800) { + /* the em2800 can only scale down to 50% */ + height = height > (3 * maxh / 4) ? maxh : maxh / 2; + width = width > (3 * maxw / 4) ? maxw : maxw / 2; + /* + * MaxPacketSize for em2800 is too small to capture at full + * resolution use half of maxw as the scaler can only scale + * to 50% + */ + if (width == maxw && height == maxh) + width /= 2; + } else { + /* + * width must even because of the YUYV format + * height must be even because of interlacing + */ + v4l_bound_align_image(&width, 48, maxw, 1, &height, 32, maxh, + 1, 0); + } + /* Avoid division by zero at size_to_scale */ + if (width < 1) + width = 1; + if (height < 1) + height = 1; + + size_to_scale(dev, width, height, &hscale, &vscale); + scale_to_size(dev, hscale, vscale, &width, &height); + + f->fmt.pix.width = width; + f->fmt.pix.height = height; + f->fmt.pix.pixelformat = fmt->fourcc; + f->fmt.pix.bytesperline = (width * fmt->depth + 7) >> 3; + f->fmt.pix.sizeimage = f->fmt.pix.bytesperline * height; + f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; + if (v4l2->progressive) + f->fmt.pix.field = V4L2_FIELD_NONE; + else + f->fmt.pix.field = v4l2->interlaced_fieldmode ? + V4L2_FIELD_INTERLACED : V4L2_FIELD_TOP; + f->fmt.pix.priv = 0; + + return 0; +} + +static int em28xx_set_video_format(struct em28xx *dev, unsigned int fourcc, + unsigned int width, unsigned int height) +{ + struct em28xx_fmt *fmt; + struct em28xx_v4l2 *v4l2 = dev->v4l2; + + fmt = format_by_fourcc(fourcc); + if (!fmt) + return -EINVAL; + + v4l2->format = fmt; + v4l2->width = width; + v4l2->height = height; + + /* set new image size */ + size_to_scale(dev, v4l2->width, v4l2->height, + &v4l2->hscale, &v4l2->vscale); + + em28xx_resolution_set(dev); + + return 0; +} + +static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, + struct v4l2_format *f) +{ + struct em28xx *dev = video_drvdata(file); + struct em28xx_v4l2 *v4l2 = dev->v4l2; + + if (vb2_is_busy(&v4l2->vb_vidq)) + return -EBUSY; + + vidioc_try_fmt_vid_cap(file, priv, f); + + return em28xx_set_video_format(dev, f->fmt.pix.pixelformat, + f->fmt.pix.width, f->fmt.pix.height); +} + +static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *norm) +{ + struct em28xx *dev = video_drvdata(file); + + *norm = dev->v4l2->norm; + + return 0; +} + +static int vidioc_querystd(struct file *file, void *priv, v4l2_std_id *norm) +{ + struct em28xx *dev = video_drvdata(file); + + v4l2_device_call_all(&dev->v4l2->v4l2_dev, 0, video, querystd, norm); + + return 0; +} + +static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id norm) +{ + struct em28xx *dev = video_drvdata(file); + struct em28xx_v4l2 *v4l2 = dev->v4l2; + struct v4l2_format f; + + if (norm == v4l2->norm) + return 0; + + if (v4l2->streaming_users > 0) + return -EBUSY; + + v4l2->norm = norm; + + /* Adjusts width/height, if needed */ + f.fmt.pix.width = 720; + f.fmt.pix.height = (norm & V4L2_STD_525_60) ? 480 : 576; + vidioc_try_fmt_vid_cap(file, priv, &f); + + /* set new image size */ + v4l2->width = f.fmt.pix.width; + v4l2->height = f.fmt.pix.height; + size_to_scale(dev, v4l2->width, v4l2->height, + &v4l2->hscale, &v4l2->vscale); + + em28xx_resolution_set(dev); + v4l2_device_call_all(&v4l2->v4l2_dev, 0, video, s_std, v4l2->norm); + + return 0; +} + +static int vidioc_g_parm(struct file *file, void *priv, + struct v4l2_streamparm *p) +{ + struct v4l2_subdev_frame_interval ival = { 0 }; + struct em28xx *dev = video_drvdata(file); + struct em28xx_v4l2 *v4l2 = dev->v4l2; + int rc = 0; + + if (p->type != V4L2_BUF_TYPE_VIDEO_CAPTURE && + p->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) + return -EINVAL; + + p->parm.capture.readbuffers = EM28XX_MIN_BUF; + p->parm.capture.capability = V4L2_CAP_TIMEPERFRAME; + if (dev->is_webcam) { + rc = v4l2_device_call_until_err(&v4l2->v4l2_dev, 0, + video, g_frame_interval, &ival); + if (!rc) + p->parm.capture.timeperframe = ival.interval; + } else { + v4l2_video_std_frame_period(v4l2->norm, + &p->parm.capture.timeperframe); + } + + return rc; +} + +static int vidioc_s_parm(struct file *file, void *priv, + struct v4l2_streamparm *p) +{ + struct em28xx *dev = video_drvdata(file); + struct v4l2_subdev_frame_interval ival = { + 0, + p->parm.capture.timeperframe + }; + int rc = 0; + + if (!dev->is_webcam) + return -ENOTTY; + + if (p->type != V4L2_BUF_TYPE_VIDEO_CAPTURE && + p->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) + return -EINVAL; + + memset(&p->parm, 0, sizeof(p->parm)); + p->parm.capture.readbuffers = EM28XX_MIN_BUF; + p->parm.capture.capability = V4L2_CAP_TIMEPERFRAME; + rc = v4l2_device_call_until_err(&dev->v4l2->v4l2_dev, 0, + video, s_frame_interval, &ival); + if (!rc) + p->parm.capture.timeperframe = ival.interval; + return rc; +} + +static int vidioc_enum_input(struct file *file, void *priv, + struct v4l2_input *i) +{ + struct em28xx *dev = video_drvdata(file); + unsigned int n; + int j; + + n = i->index; + if (n >= MAX_EM28XX_INPUT) + return -EINVAL; + if (!INPUT(n)->type) + return -EINVAL; + + i->type = V4L2_INPUT_TYPE_CAMERA; + + strcpy(i->name, iname[INPUT(n)->type]); + + if (INPUT(n)->type == EM28XX_VMUX_TELEVISION) + i->type = V4L2_INPUT_TYPE_TUNER; + + i->std = dev->v4l2->vdev.tvnorms; + /* webcams do not have the STD API */ + if (dev->is_webcam) + i->capabilities = 0; + + /* Dynamically generates an audioset bitmask */ + i->audioset = 0; + for (j = 0; j < MAX_EM28XX_INPUT; j++) + if (dev->amux_map[j] != EM28XX_AMUX_UNUSED) + i->audioset |= 1 << j; + + return 0; +} + +static int vidioc_g_input(struct file *file, void *priv, unsigned int *i) +{ + struct em28xx *dev = video_drvdata(file); + + *i = dev->ctl_input; + + return 0; +} + +static int vidioc_s_input(struct file *file, void *priv, unsigned int i) +{ + struct em28xx *dev = video_drvdata(file); + + if (i >= MAX_EM28XX_INPUT) + return -EINVAL; + if (!INPUT(i)->type) + return -EINVAL; + + video_mux(dev, i); + return 0; +} + +static int em28xx_fill_audio_input(struct em28xx *dev, + const char *s, + struct v4l2_audio *a, + unsigned int index) +{ + unsigned int idx = dev->amux_map[index]; + + /* + * With msp3400, almost all mappings use the default (amux = 0). + * The only one may use a different value is WinTV USB2, where it + * can also be SCART1 input. + * As it is very doubtful that we would see new boards with msp3400, + * let's just reuse the existing switch. + */ + if (dev->has_msp34xx && idx != EM28XX_AMUX_UNUSED) + idx = EM28XX_AMUX_LINE_IN; + + switch (idx) { + case EM28XX_AMUX_VIDEO: + strcpy(a->name, "Television"); + break; + case EM28XX_AMUX_LINE_IN: + strcpy(a->name, "Line In"); + break; + case EM28XX_AMUX_VIDEO2: + strcpy(a->name, "Television alt"); + break; + case EM28XX_AMUX_PHONE: + strcpy(a->name, "Phone"); + break; + case EM28XX_AMUX_MIC: + strcpy(a->name, "Mic"); + break; + case EM28XX_AMUX_CD: + strcpy(a->name, "CD"); + break; + case EM28XX_AMUX_AUX: + strcpy(a->name, "Aux"); + break; + case EM28XX_AMUX_PCM_OUT: + strcpy(a->name, "PCM"); + break; + case EM28XX_AMUX_UNUSED: + default: + return -EINVAL; + } + a->index = index; + a->capability = V4L2_AUDCAP_STEREO; + + em28xx_videodbg("%s: audio input index %d is '%s'\n", + s, a->index, a->name); + + return 0; +} + +static int vidioc_enumaudio(struct file *file, void *fh, struct v4l2_audio *a) +{ + struct em28xx *dev = video_drvdata(file); + + if (a->index >= MAX_EM28XX_INPUT) + return -EINVAL; + + return em28xx_fill_audio_input(dev, __func__, a, a->index); +} + +static int vidioc_g_audio(struct file *file, void *priv, struct v4l2_audio *a) +{ + struct em28xx *dev = video_drvdata(file); + int i; + + for (i = 0; i < MAX_EM28XX_INPUT; i++) + if (dev->ctl_ainput == dev->amux_map[i]) + return em28xx_fill_audio_input(dev, __func__, a, i); + + /* Should never happen! */ + return -EINVAL; +} + +static int vidioc_s_audio(struct file *file, void *priv, + const struct v4l2_audio *a) +{ + struct em28xx *dev = video_drvdata(file); + int idx, i; + + if (a->index >= MAX_EM28XX_INPUT) + return -EINVAL; + + idx = dev->amux_map[a->index]; + + if (idx == EM28XX_AMUX_UNUSED) + return -EINVAL; + + dev->ctl_ainput = idx; + + /* + * FIXME: This is wrong, as different inputs at em28xx_cards + * may have different audio outputs. So, the right thing + * to do is to implement VIDIOC_G_AUDOUT/VIDIOC_S_AUDOUT. + * With the current board definitions, this would work fine, + * as, currently, all boards fit. + */ + for (i = 0; i < MAX_EM28XX_INPUT; i++) + if (idx == dev->amux_map[i]) + break; + if (i == MAX_EM28XX_INPUT) + return -EINVAL; + + dev->ctl_aoutput = INPUT(i)->aout; + + if (!dev->ctl_aoutput) + dev->ctl_aoutput = EM28XX_AOUT_MASTER; + + em28xx_videodbg("%s: set audio input to %d\n", __func__, + dev->ctl_ainput); + + return 0; +} + +static int vidioc_g_tuner(struct file *file, void *priv, + struct v4l2_tuner *t) +{ + struct em28xx *dev = video_drvdata(file); + + if (t->index != 0) + return -EINVAL; + + strcpy(t->name, "Tuner"); + + v4l2_device_call_all(&dev->v4l2->v4l2_dev, 0, tuner, g_tuner, t); + return 0; +} + +static int vidioc_s_tuner(struct file *file, void *priv, + const struct v4l2_tuner *t) +{ + struct em28xx *dev = video_drvdata(file); + + if (t->index != 0) + return -EINVAL; + + v4l2_device_call_all(&dev->v4l2->v4l2_dev, 0, tuner, s_tuner, t); + return 0; +} + +static int vidioc_g_frequency(struct file *file, void *priv, + struct v4l2_frequency *f) +{ + struct em28xx *dev = video_drvdata(file); + struct em28xx_v4l2 *v4l2 = dev->v4l2; + + if (f->tuner != 0) + return -EINVAL; + + f->frequency = v4l2->frequency; + return 0; +} + +static int vidioc_s_frequency(struct file *file, void *priv, + const struct v4l2_frequency *f) +{ + struct v4l2_frequency new_freq = *f; + struct em28xx *dev = video_drvdata(file); + struct em28xx_v4l2 *v4l2 = dev->v4l2; + + if (f->tuner != 0) + return -EINVAL; + + v4l2_device_call_all(&v4l2->v4l2_dev, 0, tuner, s_frequency, f); + v4l2_device_call_all(&v4l2->v4l2_dev, 0, tuner, g_frequency, &new_freq); + v4l2->frequency = new_freq.frequency; + + return 0; +} + +#ifdef CONFIG_VIDEO_ADV_DEBUG +static int vidioc_g_chip_info(struct file *file, void *priv, + struct v4l2_dbg_chip_info *chip) +{ + struct em28xx *dev = video_drvdata(file); + + if (chip->match.addr > 1) + return -EINVAL; + if (chip->match.addr == 1) + strlcpy(chip->name, "ac97", sizeof(chip->name)); + else + strlcpy(chip->name, + dev->v4l2->v4l2_dev.name, sizeof(chip->name)); + return 0; +} + +static int em28xx_reg_len(int reg) +{ + switch (reg) { + case EM28XX_R40_AC97LSB: + case EM28XX_R30_HSCALELOW: + case EM28XX_R32_VSCALELOW: + return 2; + default: + return 1; + } +} + +static int vidioc_g_register(struct file *file, void *priv, + struct v4l2_dbg_register *reg) +{ + struct em28xx *dev = video_drvdata(file); + int ret; + + if (reg->match.addr > 1) + return -EINVAL; + if (reg->match.addr) { + ret = em28xx_read_ac97(dev, reg->reg); + if (ret < 0) + return ret; + + reg->val = ret; + reg->size = 1; + return 0; + } + + /* Match host */ + reg->size = em28xx_reg_len(reg->reg); + if (reg->size == 1) { + ret = em28xx_read_reg(dev, reg->reg); + + if (ret < 0) + return ret; + + reg->val = ret; + } else { + __le16 val = 0; + + ret = dev->em28xx_read_reg_req_len(dev, USB_REQ_GET_STATUS, + reg->reg, (char *)&val, 2); + if (ret < 0) + return ret; + + reg->val = le16_to_cpu(val); + } + + return 0; +} + +static int vidioc_s_register(struct file *file, void *priv, + const struct v4l2_dbg_register *reg) +{ + struct em28xx *dev = video_drvdata(file); + __le16 buf; + + if (reg->match.addr > 1) + return -EINVAL; + if (reg->match.addr) + return em28xx_write_ac97(dev, reg->reg, reg->val); + + /* Match host */ + buf = cpu_to_le16(reg->val); + + return em28xx_write_regs(dev, reg->reg, (char *)&buf, + em28xx_reg_len(reg->reg)); +} +#endif + +static int vidioc_querycap(struct file *file, void *priv, + struct v4l2_capability *cap) +{ + struct video_device *vdev = video_devdata(file); + struct em28xx *dev = video_drvdata(file); + struct em28xx_v4l2 *v4l2 = dev->v4l2; + struct usb_device *udev = interface_to_usbdev(dev->intf); + + strlcpy(cap->driver, "em28xx", sizeof(cap->driver)); + strlcpy(cap->card, em28xx_boards[dev->model].name, sizeof(cap->card)); + usb_make_path(udev, cap->bus_info, sizeof(cap->bus_info)); + + if (vdev->vfl_type == VFL_TYPE_GRABBER) + cap->device_caps = V4L2_CAP_READWRITE | + V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_STREAMING; + else if (vdev->vfl_type == VFL_TYPE_RADIO) + cap->device_caps = V4L2_CAP_RADIO; + else + cap->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_VBI_CAPTURE; + + if (dev->int_audio_type != EM28XX_INT_AUDIO_NONE) + cap->device_caps |= V4L2_CAP_AUDIO; + + if (dev->tuner_type != TUNER_ABSENT) + cap->device_caps |= V4L2_CAP_TUNER; + + cap->capabilities = cap->device_caps | + V4L2_CAP_DEVICE_CAPS | V4L2_CAP_READWRITE | + V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_STREAMING; + if (video_is_registered(&v4l2->vbi_dev)) + cap->capabilities |= V4L2_CAP_VBI_CAPTURE; + if (video_is_registered(&v4l2->radio_dev)) + cap->capabilities |= V4L2_CAP_RADIO; + return 0; +} + +static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, + struct v4l2_fmtdesc *f) +{ + if (unlikely(f->index >= ARRAY_SIZE(format))) + return -EINVAL; + + strlcpy(f->description, format[f->index].name, sizeof(f->description)); + f->pixelformat = format[f->index].fourcc; + + return 0; +} + +static int vidioc_enum_framesizes(struct file *file, void *priv, + struct v4l2_frmsizeenum *fsize) +{ + struct em28xx *dev = video_drvdata(file); + struct em28xx_fmt *fmt; + unsigned int maxw = norm_maxw(dev); + unsigned int maxh = norm_maxh(dev); + + fmt = format_by_fourcc(fsize->pixel_format); + if (!fmt) { + em28xx_videodbg("Fourcc format (%08x) invalid.\n", + fsize->pixel_format); + return -EINVAL; + } + + if (dev->board.is_em2800) { + if (fsize->index > 1) + return -EINVAL; + fsize->type = V4L2_FRMSIZE_TYPE_DISCRETE; + fsize->discrete.width = maxw / (1 + fsize->index); + fsize->discrete.height = maxh / (1 + fsize->index); + return 0; + } + + if (fsize->index != 0) + return -EINVAL; + + /* Report a continuous range */ + fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE; + scale_to_size(dev, EM28XX_HVSCALE_MAX, EM28XX_HVSCALE_MAX, + &fsize->stepwise.min_width, &fsize->stepwise.min_height); + if (fsize->stepwise.min_width < 48) + fsize->stepwise.min_width = 48; + if (fsize->stepwise.min_height < 38) + fsize->stepwise.min_height = 38; + fsize->stepwise.max_width = maxw; + fsize->stepwise.max_height = maxh; + fsize->stepwise.step_width = 1; + fsize->stepwise.step_height = 1; + return 0; +} + +/* RAW VBI ioctls */ + +static int vidioc_g_fmt_vbi_cap(struct file *file, void *priv, + struct v4l2_format *format) +{ + struct em28xx *dev = video_drvdata(file); + struct em28xx_v4l2 *v4l2 = dev->v4l2; + + format->fmt.vbi.samples_per_line = v4l2->vbi_width; + format->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY; + format->fmt.vbi.offset = 0; + format->fmt.vbi.flags = 0; + format->fmt.vbi.sampling_rate = 6750000 * 4 / 2; + format->fmt.vbi.count[0] = v4l2->vbi_height; + format->fmt.vbi.count[1] = v4l2->vbi_height; + memset(format->fmt.vbi.reserved, 0, sizeof(format->fmt.vbi.reserved)); + + /* Varies by video standard (NTSC, PAL, etc.) */ + if (v4l2->norm & V4L2_STD_525_60) { + /* NTSC */ + format->fmt.vbi.start[0] = 10; + format->fmt.vbi.start[1] = 273; + } else if (v4l2->norm & V4L2_STD_625_50) { + /* PAL */ + format->fmt.vbi.start[0] = 6; + format->fmt.vbi.start[1] = 318; + } + + return 0; +} + +/* + * RADIO ESPECIFIC IOCTLS + */ + +static int radio_g_tuner(struct file *file, void *priv, + struct v4l2_tuner *t) +{ + struct em28xx *dev = video_drvdata(file); + + if (unlikely(t->index > 0)) + return -EINVAL; + + strcpy(t->name, "Radio"); + + v4l2_device_call_all(&dev->v4l2->v4l2_dev, 0, tuner, g_tuner, t); + + return 0; +} + +static int radio_s_tuner(struct file *file, void *priv, + const struct v4l2_tuner *t) +{ + struct em28xx *dev = video_drvdata(file); + + if (t->index != 0) + return -EINVAL; + + v4l2_device_call_all(&dev->v4l2->v4l2_dev, 0, tuner, s_tuner, t); + + return 0; +} + +/* + * em28xx_free_v4l2() - Free struct em28xx_v4l2 + * + * @ref: struct kref for struct em28xx_v4l2 + * + * Called when all users of struct em28xx_v4l2 are gone + */ +static void em28xx_free_v4l2(struct kref *ref) +{ + struct em28xx_v4l2 *v4l2 = container_of(ref, struct em28xx_v4l2, ref); + + v4l2->dev->v4l2 = NULL; + kfree(v4l2); +} + +/* + * em28xx_v4l2_open() + * inits the device and starts isoc transfer + */ +static int em28xx_v4l2_open(struct file *filp) +{ + struct video_device *vdev = video_devdata(filp); + struct em28xx *dev = video_drvdata(filp); + struct em28xx_v4l2 *v4l2 = dev->v4l2; + enum v4l2_buf_type fh_type = 0; + int ret; + + switch (vdev->vfl_type) { + case VFL_TYPE_GRABBER: + fh_type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + break; + case VFL_TYPE_VBI: + fh_type = V4L2_BUF_TYPE_VBI_CAPTURE; + break; + case VFL_TYPE_RADIO: + break; + default: + return -EINVAL; + } + + em28xx_videodbg("open dev=%s type=%s users=%d\n", + video_device_node_name(vdev), v4l2_type_names[fh_type], + v4l2->users); + + if (mutex_lock_interruptible(&dev->lock)) + return -ERESTARTSYS; + + ret = v4l2_fh_open(filp); + if (ret) { + dev_err(&dev->intf->dev, + "%s: v4l2_fh_open() returned error %d\n", + __func__, ret); + mutex_unlock(&dev->lock); + return ret; + } + + if (v4l2->users == 0) { + em28xx_set_mode(dev, EM28XX_ANALOG_MODE); + + if (vdev->vfl_type != VFL_TYPE_RADIO) + em28xx_resolution_set(dev); + + /* + * Needed, since GPIO might have disabled power + * of some i2c devices + */ + em28xx_wake_i2c(dev); + } + + if (vdev->vfl_type == VFL_TYPE_RADIO) { + em28xx_videodbg("video_open: setting radio device\n"); + v4l2_device_call_all(&v4l2->v4l2_dev, 0, tuner, s_radio); + } + + kref_get(&dev->ref); + kref_get(&v4l2->ref); + v4l2->users++; + + mutex_unlock(&dev->lock); + + return 0; +} + +/* + * em28xx_v4l2_fini() + * unregisters the v4l2,i2c and usb devices + * called when the device gets disconected or at module unload + */ +static int em28xx_v4l2_fini(struct em28xx *dev) +{ + struct em28xx_v4l2 *v4l2 = dev->v4l2; + + if (dev->is_audio_only) { + /* Shouldn't initialize IR for this interface */ + return 0; + } + + if (!dev->has_video) { + /* This device does not support the v4l2 extension */ + return 0; + } + + if (!v4l2) + return 0; + + dev_info(&dev->intf->dev, "Closing video extension\n"); + + mutex_lock(&dev->lock); + + v4l2_device_disconnect(&v4l2->v4l2_dev); + + em28xx_uninit_usb_xfer(dev, EM28XX_ANALOG_MODE); + + em28xx_v4l2_media_release(dev); + + if (video_is_registered(&v4l2->radio_dev)) { + dev_info(&dev->intf->dev, "V4L2 device %s deregistered\n", + video_device_node_name(&v4l2->radio_dev)); + video_unregister_device(&v4l2->radio_dev); + } + if (video_is_registered(&v4l2->vbi_dev)) { + dev_info(&dev->intf->dev, "V4L2 device %s deregistered\n", + video_device_node_name(&v4l2->vbi_dev)); + video_unregister_device(&v4l2->vbi_dev); + } + if (video_is_registered(&v4l2->vdev)) { + dev_info(&dev->intf->dev, "V4L2 device %s deregistered\n", + video_device_node_name(&v4l2->vdev)); + video_unregister_device(&v4l2->vdev); + } + + v4l2_ctrl_handler_free(&v4l2->ctrl_handler); + v4l2_device_unregister(&v4l2->v4l2_dev); + + kref_put(&v4l2->ref, em28xx_free_v4l2); + + mutex_unlock(&dev->lock); + + kref_put(&dev->ref, em28xx_free_device); + + return 0; +} + +static int em28xx_v4l2_suspend(struct em28xx *dev) +{ + if (dev->is_audio_only) + return 0; + + if (!dev->has_video) + return 0; + + dev_info(&dev->intf->dev, "Suspending video extension\n"); + em28xx_stop_urbs(dev); + return 0; +} + +static int em28xx_v4l2_resume(struct em28xx *dev) +{ + if (dev->is_audio_only) + return 0; + + if (!dev->has_video) + return 0; + + dev_info(&dev->intf->dev, "Resuming video extension\n"); + /* what do we do here */ + return 0; +} + +/* + * em28xx_v4l2_close() + * stops streaming and deallocates all resources allocated by the v4l2 + * calls and ioctls + */ +static int em28xx_v4l2_close(struct file *filp) +{ + struct em28xx *dev = video_drvdata(filp); + struct em28xx_v4l2 *v4l2 = dev->v4l2; + struct usb_device *udev = interface_to_usbdev(dev->intf); + int err; + + em28xx_videodbg("users=%d\n", v4l2->users); + + vb2_fop_release(filp); + mutex_lock(&dev->lock); + + if (v4l2->users == 1) { + /* No sense to try to write to the device */ + if (dev->disconnected) + goto exit; + + /* Save some power by putting tuner to sleep */ + v4l2_device_call_all(&v4l2->v4l2_dev, 0, tuner, standby); + + /* do this before setting alternate! */ + em28xx_set_mode(dev, EM28XX_SUSPEND); + + /* set alternate 0 */ + dev->alt = 0; + em28xx_videodbg("setting alternate 0\n"); + err = usb_set_interface(udev, 0, 0); + if (err < 0) { + dev_err(&dev->intf->dev, + "cannot change alternate number to 0 (error=%i)\n", + err); + } + } + +exit: + v4l2->users--; + kref_put(&v4l2->ref, em28xx_free_v4l2); + mutex_unlock(&dev->lock); + kref_put(&dev->ref, em28xx_free_device); + + return 0; +} + +static const struct v4l2_file_operations em28xx_v4l_fops = { + .owner = THIS_MODULE, + .open = em28xx_v4l2_open, + .release = em28xx_v4l2_close, + .read = vb2_fop_read, + .poll = vb2_fop_poll, + .mmap = vb2_fop_mmap, + .unlocked_ioctl = video_ioctl2, +}; + +static const struct v4l2_ioctl_ops video_ioctl_ops = { + .vidioc_querycap = vidioc_querycap, + .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, + .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, + .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, + .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, + .vidioc_g_fmt_vbi_cap = vidioc_g_fmt_vbi_cap, + .vidioc_try_fmt_vbi_cap = vidioc_g_fmt_vbi_cap, + .vidioc_s_fmt_vbi_cap = vidioc_g_fmt_vbi_cap, + .vidioc_enum_framesizes = vidioc_enum_framesizes, + .vidioc_enumaudio = vidioc_enumaudio, + .vidioc_g_audio = vidioc_g_audio, + .vidioc_s_audio = vidioc_s_audio, + + .vidioc_reqbufs = vb2_ioctl_reqbufs, + .vidioc_create_bufs = vb2_ioctl_create_bufs, + .vidioc_prepare_buf = vb2_ioctl_prepare_buf, + .vidioc_querybuf = vb2_ioctl_querybuf, + .vidioc_qbuf = vb2_ioctl_qbuf, + .vidioc_dqbuf = vb2_ioctl_dqbuf, + + .vidioc_g_std = vidioc_g_std, + .vidioc_querystd = vidioc_querystd, + .vidioc_s_std = vidioc_s_std, + .vidioc_g_parm = vidioc_g_parm, + .vidioc_s_parm = vidioc_s_parm, + .vidioc_enum_input = vidioc_enum_input, + .vidioc_g_input = vidioc_g_input, + .vidioc_s_input = vidioc_s_input, + .vidioc_streamon = vb2_ioctl_streamon, + .vidioc_streamoff = vb2_ioctl_streamoff, + .vidioc_g_tuner = vidioc_g_tuner, + .vidioc_s_tuner = vidioc_s_tuner, + .vidioc_g_frequency = vidioc_g_frequency, + .vidioc_s_frequency = vidioc_s_frequency, + .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, + .vidioc_unsubscribe_event = v4l2_event_unsubscribe, +#ifdef CONFIG_VIDEO_ADV_DEBUG + .vidioc_g_chip_info = vidioc_g_chip_info, + .vidioc_g_register = vidioc_g_register, + .vidioc_s_register = vidioc_s_register, +#endif +}; + +static const struct video_device em28xx_video_template = { + .fops = &em28xx_v4l_fops, + .ioctl_ops = &video_ioctl_ops, + .release = video_device_release_empty, + .tvnorms = V4L2_STD_ALL, +}; + +static const struct v4l2_file_operations radio_fops = { + .owner = THIS_MODULE, + .open = em28xx_v4l2_open, + .release = em28xx_v4l2_close, + .unlocked_ioctl = video_ioctl2, +}; + +static const struct v4l2_ioctl_ops radio_ioctl_ops = { + .vidioc_querycap = vidioc_querycap, + .vidioc_g_tuner = radio_g_tuner, + .vidioc_s_tuner = radio_s_tuner, + .vidioc_g_frequency = vidioc_g_frequency, + .vidioc_s_frequency = vidioc_s_frequency, + .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, + .vidioc_unsubscribe_event = v4l2_event_unsubscribe, +#ifdef CONFIG_VIDEO_ADV_DEBUG + .vidioc_g_chip_info = vidioc_g_chip_info, + .vidioc_g_register = vidioc_g_register, + .vidioc_s_register = vidioc_s_register, +#endif +}; + +static struct video_device em28xx_radio_template = { + .fops = &radio_fops, + .ioctl_ops = &radio_ioctl_ops, + .release = video_device_release_empty, +}; + +/* I2C possible address to saa7115, tvp5150, msp3400, tvaudio */ +static unsigned short saa711x_addrs[] = { + 0x4a >> 1, 0x48 >> 1, /* SAA7111, SAA7111A and SAA7113 */ + 0x42 >> 1, 0x40 >> 1, /* SAA7114, SAA7115 and SAA7118 */ + I2C_CLIENT_END }; + +static unsigned short tvp5150_addrs[] = { + 0xb8 >> 1, + 0xba >> 1, + I2C_CLIENT_END +}; + +static unsigned short msp3400_addrs[] = { + 0x80 >> 1, + 0x88 >> 1, + I2C_CLIENT_END +}; + +/******************************** usb interface ******************************/ + +static void em28xx_vdev_init(struct em28xx *dev, + struct video_device *vfd, + const struct video_device *template, + const char *type_name) +{ + *vfd = *template; + vfd->v4l2_dev = &dev->v4l2->v4l2_dev; + vfd->lock = &dev->lock; + if (dev->is_webcam) + vfd->tvnorms = 0; + + snprintf(vfd->name, sizeof(vfd->name), "%s %s", + dev_name(&dev->intf->dev), type_name); + + video_set_drvdata(vfd, dev); +} + +static void em28xx_tuner_setup(struct em28xx *dev, unsigned short tuner_addr) +{ + struct em28xx_v4l2 *v4l2 = dev->v4l2; + struct v4l2_device *v4l2_dev = &v4l2->v4l2_dev; + struct tuner_setup tun_setup; + struct v4l2_frequency f; + + memset(&tun_setup, 0, sizeof(tun_setup)); + + tun_setup.mode_mask = T_ANALOG_TV | T_RADIO; + tun_setup.tuner_callback = em28xx_tuner_callback; + + if (dev->board.radio.type) { + tun_setup.type = dev->board.radio.type; + tun_setup.addr = dev->board.radio_addr; + + v4l2_device_call_all(v4l2_dev, + 0, tuner, s_type_addr, &tun_setup); + } + + if (dev->tuner_type != TUNER_ABSENT && dev->tuner_type) { + tun_setup.type = dev->tuner_type; + tun_setup.addr = tuner_addr; + + v4l2_device_call_all(v4l2_dev, + 0, tuner, s_type_addr, &tun_setup); + } + + if (dev->board.tda9887_conf) { + struct v4l2_priv_tun_config tda9887_cfg; + + tda9887_cfg.tuner = TUNER_TDA9887; + tda9887_cfg.priv = &dev->board.tda9887_conf; + + v4l2_device_call_all(v4l2_dev, + 0, tuner, s_config, &tda9887_cfg); + } + + if (dev->tuner_type == TUNER_XC2028) { + struct v4l2_priv_tun_config xc2028_cfg; + struct xc2028_ctrl ctl; + + memset(&xc2028_cfg, 0, sizeof(xc2028_cfg)); + memset(&ctl, 0, sizeof(ctl)); + + em28xx_setup_xc3028(dev, &ctl); + + xc2028_cfg.tuner = TUNER_XC2028; + xc2028_cfg.priv = &ctl; + + v4l2_device_call_all(v4l2_dev, 0, tuner, s_config, &xc2028_cfg); + } + + /* configure tuner */ + f.tuner = 0; + f.type = V4L2_TUNER_ANALOG_TV; + f.frequency = 9076; /* just a magic number */ + v4l2->frequency = f.frequency; + v4l2_device_call_all(v4l2_dev, 0, tuner, s_frequency, &f); +} + +static int em28xx_v4l2_init(struct em28xx *dev) +{ + u8 val; + int ret; + unsigned int maxw; + struct v4l2_ctrl_handler *hdl; + struct em28xx_v4l2 *v4l2; + + if (dev->is_audio_only) { + /* Shouldn't initialize IR for this interface */ + return 0; + } + + if (!dev->has_video) { + /* This device does not support the v4l2 extension */ + return 0; + } + + dev_info(&dev->intf->dev, "Registering V4L2 extension\n"); + + mutex_lock(&dev->lock); + + v4l2 = kzalloc(sizeof(*v4l2), GFP_KERNEL); + if (!v4l2) { + mutex_unlock(&dev->lock); + return -ENOMEM; + } + kref_init(&v4l2->ref); + v4l2->dev = dev; + dev->v4l2 = v4l2; + +#ifdef CONFIG_MEDIA_CONTROLLER + v4l2->v4l2_dev.mdev = dev->media_dev; +#endif + ret = v4l2_device_register(&dev->intf->dev, &v4l2->v4l2_dev); + if (ret < 0) { + dev_err(&dev->intf->dev, + "Call to v4l2_device_register() failed!\n"); + goto err; + } + + hdl = &v4l2->ctrl_handler; + v4l2_ctrl_handler_init(hdl, 8); + v4l2->v4l2_dev.ctrl_handler = hdl; + + if (dev->is_webcam) + v4l2->progressive = true; + + /* + * Default format, used for tvp5150 or saa711x output formats + */ + v4l2->vinmode = EM28XX_VINMODE_YUV422_CbYCrY; + v4l2->vinctl = EM28XX_VINCTRL_INTERLACED | + EM28XX_VINCTRL_CCIR656_ENABLE; + + /* request some modules */ + + if (dev->has_msp34xx) + v4l2_i2c_new_subdev(&v4l2->v4l2_dev, + &dev->i2c_adap[dev->def_i2c_bus], + "msp3400", 0, msp3400_addrs); + + if (dev->board.decoder == EM28XX_SAA711X) + v4l2_i2c_new_subdev(&v4l2->v4l2_dev, + &dev->i2c_adap[dev->def_i2c_bus], + "saa7115_auto", 0, saa711x_addrs); + + if (dev->board.decoder == EM28XX_TVP5150) + v4l2_i2c_new_subdev(&v4l2->v4l2_dev, + &dev->i2c_adap[dev->def_i2c_bus], + "tvp5150", 0, tvp5150_addrs); + + if (dev->board.adecoder == EM28XX_TVAUDIO) + v4l2_i2c_new_subdev(&v4l2->v4l2_dev, + &dev->i2c_adap[dev->def_i2c_bus], + "tvaudio", dev->board.tvaudio_addr, NULL); + + /* Initialize tuner and camera */ + + if (dev->board.tuner_type != TUNER_ABSENT) { + unsigned short tuner_addr = dev->board.tuner_addr; + int has_demod = (dev->board.tda9887_conf & TDA9887_PRESENT); + + if (dev->board.radio.type) + v4l2_i2c_new_subdev(&v4l2->v4l2_dev, + &dev->i2c_adap[dev->def_i2c_bus], + "tuner", dev->board.radio_addr, + NULL); + + if (has_demod) + v4l2_i2c_new_subdev(&v4l2->v4l2_dev, + &dev->i2c_adap[dev->def_i2c_bus], + "tuner", 0, + v4l2_i2c_tuner_addrs(ADDRS_DEMOD)); + if (tuner_addr == 0) { + enum v4l2_i2c_tuner_type type = + has_demod ? ADDRS_TV_WITH_DEMOD : ADDRS_TV; + struct v4l2_subdev *sd; + + sd = v4l2_i2c_new_subdev(&v4l2->v4l2_dev, + &dev->i2c_adap[dev->def_i2c_bus], + "tuner", 0, + v4l2_i2c_tuner_addrs(type)); + + if (sd) + tuner_addr = v4l2_i2c_subdev_addr(sd); + } else { + v4l2_i2c_new_subdev(&v4l2->v4l2_dev, + &dev->i2c_adap[dev->def_i2c_bus], + "tuner", tuner_addr, NULL); + } + + em28xx_tuner_setup(dev, tuner_addr); + } + + if (dev->em28xx_sensor != EM28XX_NOSENSOR) + em28xx_init_camera(dev); + + /* Configure audio */ + ret = em28xx_audio_setup(dev); + if (ret < 0) { + dev_err(&dev->intf->dev, + "%s: Error while setting audio - error [%d]!\n", + __func__, ret); + goto unregister_dev; + } + if (dev->audio_mode.ac97 != EM28XX_NO_AC97) { + v4l2_ctrl_new_std(hdl, &em28xx_ctrl_ops, + V4L2_CID_AUDIO_MUTE, 0, 1, 1, 1); + v4l2_ctrl_new_std(hdl, &em28xx_ctrl_ops, + V4L2_CID_AUDIO_VOLUME, 0, 0x1f, 1, 0x1f); + } else { + /* install the em28xx notify callback */ + v4l2_ctrl_notify(v4l2_ctrl_find(hdl, V4L2_CID_AUDIO_MUTE), + em28xx_ctrl_notify, dev); + v4l2_ctrl_notify(v4l2_ctrl_find(hdl, V4L2_CID_AUDIO_VOLUME), + em28xx_ctrl_notify, dev); + } + + /* wake i2c devices */ + em28xx_wake_i2c(dev); + + /* init video dma queues */ + INIT_LIST_HEAD(&dev->vidq.active); + INIT_LIST_HEAD(&dev->vbiq.active); + + if (dev->has_msp34xx) { + /* Send a reset to other chips via gpio */ + ret = em28xx_write_reg(dev, EM2820_R08_GPIO_CTRL, 0xf7); + if (ret < 0) { + dev_err(&dev->intf->dev, + "%s: em28xx_write_reg - msp34xx(1) failed! error [%d]\n", + __func__, ret); + goto unregister_dev; + } + usleep_range(10000, 11000); + + ret = em28xx_write_reg(dev, EM2820_R08_GPIO_CTRL, 0xff); + if (ret < 0) { + dev_err(&dev->intf->dev, + "%s: em28xx_write_reg - msp34xx(2) failed! error [%d]\n", + __func__, ret); + goto unregister_dev; + } + usleep_range(10000, 11000); + } + + /* set default norm */ + v4l2->norm = V4L2_STD_PAL; + v4l2_device_call_all(&v4l2->v4l2_dev, 0, video, s_std, v4l2->norm); + v4l2->interlaced_fieldmode = EM28XX_INTERLACED_DEFAULT; + + /* Analog specific initialization */ + v4l2->format = &format[0]; + + maxw = norm_maxw(dev); + /* + * MaxPacketSize for em2800 is too small to capture at full resolution + * use half of maxw as the scaler can only scale to 50% + */ + if (dev->board.is_em2800) + maxw /= 2; + + em28xx_set_video_format(dev, format[0].fourcc, + maxw, norm_maxh(dev)); + + video_mux(dev, 0); + + /* Audio defaults */ + dev->mute = 1; + dev->volume = 0x1f; + +/* em28xx_write_reg(dev, EM28XX_R0E_AUDIOSRC, 0xc0); audio register */ + val = (u8)em28xx_read_reg(dev, EM28XX_R0F_XCLK); + em28xx_write_reg(dev, EM28XX_R0F_XCLK, + (EM28XX_XCLK_AUDIO_UNMUTE | val)); + + em28xx_set_outfmt(dev); + + /* Add image controls */ + + /* + * NOTE: at this point, the subdevices are already registered, so + * bridge controls are only added/enabled when no subdevice provides + * them + */ + if (!v4l2_ctrl_find(hdl, V4L2_CID_CONTRAST)) + v4l2_ctrl_new_std(hdl, &em28xx_ctrl_ops, + V4L2_CID_CONTRAST, + 0, 0x1f, 1, CONTRAST_DEFAULT); + if (!v4l2_ctrl_find(hdl, V4L2_CID_BRIGHTNESS)) + v4l2_ctrl_new_std(hdl, &em28xx_ctrl_ops, + V4L2_CID_BRIGHTNESS, + -0x80, 0x7f, 1, BRIGHTNESS_DEFAULT); + if (!v4l2_ctrl_find(hdl, V4L2_CID_SATURATION)) + v4l2_ctrl_new_std(hdl, &em28xx_ctrl_ops, + V4L2_CID_SATURATION, + 0, 0x1f, 1, SATURATION_DEFAULT); + if (!v4l2_ctrl_find(hdl, V4L2_CID_BLUE_BALANCE)) + v4l2_ctrl_new_std(hdl, &em28xx_ctrl_ops, + V4L2_CID_BLUE_BALANCE, + -0x30, 0x30, 1, BLUE_BALANCE_DEFAULT); + if (!v4l2_ctrl_find(hdl, V4L2_CID_RED_BALANCE)) + v4l2_ctrl_new_std(hdl, &em28xx_ctrl_ops, + V4L2_CID_RED_BALANCE, + -0x30, 0x30, 1, RED_BALANCE_DEFAULT); + if (!v4l2_ctrl_find(hdl, V4L2_CID_SHARPNESS)) + v4l2_ctrl_new_std(hdl, &em28xx_ctrl_ops, + V4L2_CID_SHARPNESS, + 0, 0x0f, 1, SHARPNESS_DEFAULT); + + /* Reset image controls */ + em28xx_colorlevels_set_default(dev); + v4l2_ctrl_handler_setup(hdl); + ret = hdl->error; + if (ret) + goto unregister_dev; + + /* allocate and fill video video_device struct */ + em28xx_vdev_init(dev, &v4l2->vdev, &em28xx_video_template, "video"); + mutex_init(&v4l2->vb_queue_lock); + mutex_init(&v4l2->vb_vbi_queue_lock); + v4l2->vdev.queue = &v4l2->vb_vidq; + v4l2->vdev.queue->lock = &v4l2->vb_queue_lock; + + /* disable inapplicable ioctls */ + if (dev->is_webcam) { + v4l2_disable_ioctl(&v4l2->vdev, VIDIOC_QUERYSTD); + v4l2_disable_ioctl(&v4l2->vdev, VIDIOC_G_STD); + v4l2_disable_ioctl(&v4l2->vdev, VIDIOC_S_STD); + } else { + v4l2_disable_ioctl(&v4l2->vdev, VIDIOC_S_PARM); + } + if (dev->tuner_type == TUNER_ABSENT) { + v4l2_disable_ioctl(&v4l2->vdev, VIDIOC_G_TUNER); + v4l2_disable_ioctl(&v4l2->vdev, VIDIOC_S_TUNER); + v4l2_disable_ioctl(&v4l2->vdev, VIDIOC_G_FREQUENCY); + v4l2_disable_ioctl(&v4l2->vdev, VIDIOC_S_FREQUENCY); + } + if (dev->int_audio_type == EM28XX_INT_AUDIO_NONE) { + v4l2_disable_ioctl(&v4l2->vdev, VIDIOC_G_AUDIO); + v4l2_disable_ioctl(&v4l2->vdev, VIDIOC_S_AUDIO); + } + + /* register v4l2 video video_device */ + ret = video_register_device(&v4l2->vdev, VFL_TYPE_GRABBER, + video_nr[dev->devno]); + if (ret) { + dev_err(&dev->intf->dev, + "unable to register video device (error=%i).\n", ret); + goto unregister_dev; + } + + /* Allocate and fill vbi video_device struct */ + if (em28xx_vbi_supported(dev) == 1) { + em28xx_vdev_init(dev, &v4l2->vbi_dev, &em28xx_video_template, + "vbi"); + + v4l2->vbi_dev.queue = &v4l2->vb_vbiq; + v4l2->vbi_dev.queue->lock = &v4l2->vb_vbi_queue_lock; + + /* disable inapplicable ioctls */ + v4l2_disable_ioctl(&v4l2->vbi_dev, VIDIOC_S_PARM); + if (dev->tuner_type == TUNER_ABSENT) { + v4l2_disable_ioctl(&v4l2->vbi_dev, VIDIOC_G_TUNER); + v4l2_disable_ioctl(&v4l2->vbi_dev, VIDIOC_S_TUNER); + v4l2_disable_ioctl(&v4l2->vbi_dev, VIDIOC_G_FREQUENCY); + v4l2_disable_ioctl(&v4l2->vbi_dev, VIDIOC_S_FREQUENCY); + } + if (dev->int_audio_type == EM28XX_INT_AUDIO_NONE) { + v4l2_disable_ioctl(&v4l2->vbi_dev, VIDIOC_G_AUDIO); + v4l2_disable_ioctl(&v4l2->vbi_dev, VIDIOC_S_AUDIO); + } + + /* register v4l2 vbi video_device */ + ret = video_register_device(&v4l2->vbi_dev, VFL_TYPE_VBI, + vbi_nr[dev->devno]); + if (ret < 0) { + dev_err(&dev->intf->dev, + "unable to register vbi device\n"); + goto unregister_dev; + } + } + + if (em28xx_boards[dev->model].radio.type == EM28XX_RADIO) { + em28xx_vdev_init(dev, &v4l2->radio_dev, &em28xx_radio_template, + "radio"); + ret = video_register_device(&v4l2->radio_dev, VFL_TYPE_RADIO, + radio_nr[dev->devno]); + if (ret < 0) { + dev_err(&dev->intf->dev, + "can't register radio device\n"); + goto unregister_dev; + } + dev_info(&dev->intf->dev, + "Registered radio device as %s\n", + video_device_node_name(&v4l2->radio_dev)); + } + + /* Init entities at the Media Controller */ + em28xx_v4l2_create_entities(dev); + +#ifdef CONFIG_MEDIA_CONTROLLER + ret = v4l2_mc_create_media_graph(dev->media_dev); + if (ret) { + dev_err(&dev->intf->dev, + "failed to create media graph\n"); + em28xx_v4l2_media_release(dev); + goto unregister_dev; + } +#endif + + dev_info(&dev->intf->dev, + "V4L2 video device registered as %s\n", + video_device_node_name(&v4l2->vdev)); + + if (video_is_registered(&v4l2->vbi_dev)) + dev_info(&dev->intf->dev, + "V4L2 VBI device registered as %s\n", + video_device_node_name(&v4l2->vbi_dev)); + + /* Save some power by putting tuner to sleep */ + v4l2_device_call_all(&v4l2->v4l2_dev, 0, tuner, standby); + + /* initialize videobuf2 stuff */ + em28xx_vb2_setup(dev); + + dev_info(&dev->intf->dev, + "V4L2 extension successfully initialized\n"); + + kref_get(&dev->ref); + + mutex_unlock(&dev->lock); + return 0; + +unregister_dev: + if (video_is_registered(&v4l2->radio_dev)) { + dev_info(&dev->intf->dev, + "V4L2 device %s deregistered\n", + video_device_node_name(&v4l2->radio_dev)); + video_unregister_device(&v4l2->radio_dev); + } + if (video_is_registered(&v4l2->vbi_dev)) { + dev_info(&dev->intf->dev, + "V4L2 device %s deregistered\n", + video_device_node_name(&v4l2->vbi_dev)); + video_unregister_device(&v4l2->vbi_dev); + } + if (video_is_registered(&v4l2->vdev)) { + dev_info(&dev->intf->dev, + "V4L2 device %s deregistered\n", + video_device_node_name(&v4l2->vdev)); + video_unregister_device(&v4l2->vdev); + } + + v4l2_ctrl_handler_free(&v4l2->ctrl_handler); + v4l2_device_unregister(&v4l2->v4l2_dev); +err: + dev->v4l2 = NULL; + kref_put(&v4l2->ref, em28xx_free_v4l2); + mutex_unlock(&dev->lock); + return ret; +} + +static struct em28xx_ops v4l2_ops = { + .id = EM28XX_V4L2, + .name = "Em28xx v4l2 Extension", + .init = em28xx_v4l2_init, + .fini = em28xx_v4l2_fini, + .suspend = em28xx_v4l2_suspend, + .resume = em28xx_v4l2_resume, +}; + +static int __init em28xx_video_register(void) +{ + return em28xx_register_extension(&v4l2_ops); +} + +static void __exit em28xx_video_unregister(void) +{ + em28xx_unregister_extension(&v4l2_ops); +} + +module_init(em28xx_video_register); +module_exit(em28xx_video_unregister); diff --git a/drivers/media/usb/em28xx/em28xx.h b/drivers/media/usb/em28xx/em28xx.h new file mode 100644 index 000000000..a551072e6 --- /dev/null +++ b/drivers/media/usb/em28xx/em28xx.h @@ -0,0 +1,855 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * em28xx.h - driver for Empia EM2800/EM2820/2840 USB video capture devices + * + * Copyright (C) 2005 Markus Rechberger <mrechberger@gmail.com> + * Ludovico Cavedon <cavedon@sssup.it> + * Mauro Carvalho Chehab <mchehab@kernel.org> + * Copyright (C) 2012 Frank Schäfer <fschaefer.oss@googlemail.com> + * + * Based on the em2800 driver from Sascha Sommer <saschasommer@freenet.de> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef _EM28XX_H +#define _EM28XX_H + +#include <linux/bitfield.h> + +#define EM28XX_VERSION "0.2.2" +#define DRIVER_DESC "Empia em28xx device driver" + +#include <linux/workqueue.h> +#include <linux/i2c.h> +#include <linux/mutex.h> +#include <linux/kref.h> +#include <linux/videodev2.h> + +#include <media/videobuf2-v4l2.h> +#include <media/videobuf2-vmalloc.h> +#include <media/v4l2-device.h> +#include <media/v4l2-ctrls.h> +#include <media/v4l2-fh.h> +#include <media/i2c/ir-kbd-i2c.h> +#include <media/rc-core.h> +#include "tuner-xc2028.h" +#include "xc5000.h" +#include "em28xx-reg.h" + +/* Boards supported by driver */ +#define EM2800_BOARD_UNKNOWN 0 +#define EM2820_BOARD_UNKNOWN 1 +#define EM2820_BOARD_TERRATEC_CINERGY_250 2 +#define EM2820_BOARD_PINNACLE_USB_2 3 +#define EM2820_BOARD_HAUPPAUGE_WINTV_USB_2 4 +#define EM2820_BOARD_MSI_VOX_USB_2 5 +#define EM2800_BOARD_TERRATEC_CINERGY_200 6 +#define EM2800_BOARD_LEADTEK_WINFAST_USBII 7 +#define EM2800_BOARD_KWORLD_USB2800 8 +#define EM2820_BOARD_PINNACLE_DVC_90 9 +#define EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900 10 +#define EM2880_BOARD_TERRATEC_HYBRID_XS 11 +#define EM2820_BOARD_KWORLD_PVRTV2800RF 12 +#define EM2880_BOARD_TERRATEC_PRODIGY_XS 13 +#define EM2820_BOARD_PROLINK_PLAYTV_USB2 14 +#define EM2800_BOARD_VGEAR_POCKETTV 15 +#define EM2883_BOARD_HAUPPAUGE_WINTV_HVR_950 16 +#define EM2880_BOARD_PINNACLE_PCTV_HD_PRO 17 +#define EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900_R2 18 +#define EM2860_BOARD_SAA711X_REFERENCE_DESIGN 19 +#define EM2880_BOARD_AMD_ATI_TV_WONDER_HD_600 20 +#define EM2800_BOARD_GRABBEEX_USB2800 21 +#define EM2750_BOARD_UNKNOWN 22 +#define EM2750_BOARD_DLCW_130 23 +#define EM2820_BOARD_DLINK_USB_TV 24 +#define EM2820_BOARD_GADMEI_UTV310 25 +#define EM2820_BOARD_HERCULES_SMART_TV_USB2 26 +#define EM2820_BOARD_PINNACLE_USB_2_FM1216ME 27 +#define EM2820_BOARD_LEADTEK_WINFAST_USBII_DELUXE 28 +#define EM2860_BOARD_TVP5150_REFERENCE_DESIGN 29 +#define EM2820_BOARD_VIDEOLOGY_20K14XUSB 30 +#define EM2821_BOARD_USBGEAR_VD204 31 +#define EM2821_BOARD_SUPERCOMP_USB_2 32 +#define EM2860_BOARD_ELGATO_VIDEO_CAPTURE 33 +#define EM2860_BOARD_TERRATEC_HYBRID_XS 34 +#define EM2860_BOARD_TYPHOON_DVD_MAKER 35 +#define EM2860_BOARD_NETGMBH_CAM 36 +#define EM2860_BOARD_GADMEI_UTV330 37 +#define EM2861_BOARD_YAKUMO_MOVIE_MIXER 38 +#define EM2861_BOARD_KWORLD_PVRTV_300U 39 +#define EM2861_BOARD_PLEXTOR_PX_TV100U 40 +#define EM2870_BOARD_KWORLD_350U 41 +#define EM2870_BOARD_KWORLD_355U 42 +#define EM2870_BOARD_TERRATEC_XS 43 +#define EM2870_BOARD_TERRATEC_XS_MT2060 44 +#define EM2870_BOARD_PINNACLE_PCTV_DVB 45 +#define EM2870_BOARD_COMPRO_VIDEOMATE 46 +#define EM2880_BOARD_KWORLD_DVB_305U 47 +#define EM2880_BOARD_KWORLD_DVB_310U 48 +#define EM2880_BOARD_MSI_DIGIVOX_AD 49 +#define EM2880_BOARD_MSI_DIGIVOX_AD_II 50 +#define EM2880_BOARD_TERRATEC_HYBRID_XS_FR 51 +#define EM2881_BOARD_DNT_DA2_HYBRID 52 +#define EM2881_BOARD_PINNACLE_HYBRID_PRO 53 +#define EM2882_BOARD_KWORLD_VS_DVBT 54 +#define EM2882_BOARD_TERRATEC_HYBRID_XS 55 +#define EM2882_BOARD_PINNACLE_HYBRID_PRO_330E 56 +#define EM2883_BOARD_KWORLD_HYBRID_330U 57 +#define EM2820_BOARD_COMPRO_VIDEOMATE_FORYOU 58 +#define EM2874_BOARD_PCTV_HD_MINI_80E 59 +#define EM2883_BOARD_HAUPPAUGE_WINTV_HVR_850 60 +#define EM2820_BOARD_PROLINK_PLAYTV_BOX4_USB2 61 +#define EM2820_BOARD_GADMEI_TVR200 62 +#define EM2860_BOARD_KAIOMY_TVNPC_U2 63 +#define EM2860_BOARD_EASYCAP 64 +#define EM2820_BOARD_IODATA_GVMVP_SZ 65 +#define EM2880_BOARD_EMPIRE_DUAL_TV 66 +#define EM2860_BOARD_TERRATEC_GRABBY 67 +#define EM2860_BOARD_TERRATEC_AV350 68 +#define EM2882_BOARD_KWORLD_ATSC_315U 69 +#define EM2882_BOARD_EVGA_INDTUBE 70 +#define EM2820_BOARD_SILVERCREST_WEBCAM 71 +#define EM2861_BOARD_GADMEI_UTV330PLUS 72 +#define EM2870_BOARD_REDDO_DVB_C_USB_BOX 73 +#define EM2800_BOARD_VC211A 74 +#define EM2882_BOARD_DIKOM_DK300 75 +#define EM2870_BOARD_KWORLD_A340 76 +#define EM2874_BOARD_LEADERSHIP_ISDBT 77 +#define EM28174_BOARD_PCTV_290E 78 +#define EM2884_BOARD_TERRATEC_H5 79 +#define EM28174_BOARD_PCTV_460E 80 +#define EM2884_BOARD_HAUPPAUGE_WINTV_HVR_930C 81 +#define EM2884_BOARD_CINERGY_HTC_STICK 82 +#define EM2860_BOARD_HT_VIDBOX_NW03 83 +#define EM2874_BOARD_MAXMEDIA_UB425_TC 84 +#define EM2884_BOARD_PCTV_510E 85 +#define EM2884_BOARD_PCTV_520E 86 +#define EM2884_BOARD_TERRATEC_HTC_USB_XS 87 +#define EM2884_BOARD_C3TECH_DIGITAL_DUO 88 +#define EM2874_BOARD_DELOCK_61959 89 +#define EM2874_BOARD_KWORLD_UB435Q_V2 90 +#define EM2765_BOARD_SPEEDLINK_VAD_LAPLACE 91 +#define EM28178_BOARD_PCTV_461E 92 +#define EM2874_BOARD_KWORLD_UB435Q_V3 93 +#define EM28178_BOARD_PCTV_292E 94 +#define EM2861_BOARD_LEADTEK_VC100 95 +#define EM28178_BOARD_TERRATEC_T2_STICK_HD 96 +#define EM2884_BOARD_ELGATO_EYETV_HYBRID_2008 97 +#define EM28178_BOARD_PLEX_PX_BCUD 98 +#define EM28174_BOARD_HAUPPAUGE_WINTV_DUALHD_DVB 99 +#define EM28174_BOARD_HAUPPAUGE_WINTV_DUALHD_01595 100 +#define EM2884_BOARD_TERRATEC_H6 101 +#define EM2882_BOARD_ZOLID_HYBRID_TV_STICK 102 + +/* Limits minimum and default number of buffers */ +#define EM28XX_MIN_BUF 4 +#define EM28XX_DEF_BUF 8 + +/*Limits the max URB message size */ +#define URB_MAX_CTRL_SIZE 80 + +/* Params for validated field */ +#define EM28XX_BOARD_NOT_VALIDATED 1 +#define EM28XX_BOARD_VALIDATED 0 + +/* Params for em28xx_cmd() audio */ +#define EM28XX_START_AUDIO 1 +#define EM28XX_STOP_AUDIO 0 + +/* maximum number of em28xx boards */ +#define EM28XX_MAXBOARDS DVB_MAX_ADAPTERS /* All adapters could be em28xx */ + +/* maximum number of frames that can be queued */ +#define EM28XX_NUM_FRAMES 5 +/* number of frames that get used for v4l2_read() */ +#define EM28XX_NUM_READ_FRAMES 2 + +/* number of buffers for isoc transfers */ +#define EM28XX_NUM_BUFS 5 +#define EM28XX_DVB_NUM_BUFS 5 + +/* max number of I2C buses on em28xx devices */ +#define NUM_I2C_BUSES 2 + +/* + * isoc transfers: number of packets for each buffer + * windows requests only 64 packets .. so we better do the same + * this is what I found out for all alternate numbers there! + */ +#define EM28XX_NUM_ISOC_PACKETS 64 +#define EM28XX_DVB_NUM_ISOC_PACKETS 64 + +/* + * bulk transfers: transfer buffer size = packet size * packet multiplier + * USB 2.0 spec says bulk packet size is always 512 bytes + */ +#define EM28XX_BULK_PACKET_MULTIPLIER 384 +#define EM28XX_DVB_BULK_PACKET_MULTIPLIER 94 + +#define EM28XX_INTERLACED_DEFAULT 1 + +/* time in msecs to wait for AC97 xfers to finish */ +#define EM28XX_AC97_XFER_TIMEOUT 100 + +/* max. number of button state polling addresses */ +#define EM28XX_NUM_BUTTON_ADDRESSES_MAX 5 + +#define PRIMARY_TS 0 +#define SECONDARY_TS 1 + +enum em28xx_mode { + EM28XX_SUSPEND, + EM28XX_ANALOG_MODE, + EM28XX_DIGITAL_MODE, +}; + +struct em28xx; + +/** + * struct em28xx_usb_bufs - Contains URB-related buffer data + * + * @max_pkt_size: max packet size of isoc transaction + * @num_packets: number of packets in each buffer + * @num_bufs: number of allocated urb + * @urb: urb for isoc/bulk transfers + * @buf: transfer buffers for isoc/bulk transfer + */ +struct em28xx_usb_bufs { + int max_pkt_size; + int num_packets; + int num_bufs; + struct urb **urb; + char **buf; +}; + +/** + * struct em28xx_usb_ctl - Contains URB-related buffer data + * + * @analog_bufs: isoc/bulk transfer buffers for analog mode + * @digital_bufs: isoc/bulk transfer buffers for digital mode + * @vid_buf: Stores already requested video buffers + * @vbi_buf: Stores already requested VBI buffers + * @urb_data_copy: copy data from URB + */ +struct em28xx_usb_ctl { + struct em28xx_usb_bufs analog_bufs; + struct em28xx_usb_bufs digital_bufs; + struct em28xx_buffer *vid_buf; + struct em28xx_buffer *vbi_buf; + int (*urb_data_copy)(struct em28xx *dev, struct urb *urb); +}; + +/** + * struct em28xx_fmt - Struct to enumberate video formats + * + * @name: Name for the video standard + * @fourcc: v4l2 format id + * @depth: mean number of bits to represent a pixel + * @reg: em28xx register value to set it + */ +struct em28xx_fmt { + char *name; + u32 fourcc; + int depth; + int reg; +}; + +/** + * struct em28xx_buffer- buffer for storing one video frame + * + * @vb: common v4l buffer stuff + * @list: List to associate it with the other buffers + * @mem: pointer to the buffer, as returned by vb2_plane_vaddr() + * @length: length of the buffer, as returned by vb2_plane_size() + * @top_field: If non-zero, indicate that the buffer is the top field + * @pos: Indicate the next position of the buffer to be filled. + * @vb_buf: pointer to vmalloc memory address in vb + * + * .. note:: + * + * in interlaced mode, @pos is reset to zero at the start of each new + * field (not frame !) + */ +struct em28xx_buffer { + struct vb2_v4l2_buffer vb; /* must be first */ + + struct list_head list; + + void *mem; + unsigned int length; + int top_field; + + unsigned int pos; + + char *vb_buf; +}; + +struct em28xx_dmaqueue { + struct list_head active; + + wait_queue_head_t wq; +}; + +/* inputs */ + +#define MAX_EM28XX_INPUT 4 +enum enum28xx_itype { + EM28XX_VMUX_COMPOSITE = 1, + EM28XX_VMUX_SVIDEO, + EM28XX_VMUX_TELEVISION, + EM28XX_RADIO, +}; + +enum em28xx_ac97_mode { + EM28XX_NO_AC97 = 0, + EM28XX_AC97_EM202, + EM28XX_AC97_SIGMATEL, + EM28XX_AC97_OTHER, +}; + +struct em28xx_audio_mode { + enum em28xx_ac97_mode ac97; +}; + +enum em28xx_int_audio_type { + EM28XX_INT_AUDIO_NONE = 0, + EM28XX_INT_AUDIO_AC97, + EM28XX_INT_AUDIO_I2S, +}; + +enum em28xx_usb_audio_type { + EM28XX_USB_AUDIO_NONE = 0, + EM28XX_USB_AUDIO_CLASS, + EM28XX_USB_AUDIO_VENDOR, +}; + +/** + * em28xx_amux - describes the type of audio input used by em28xx + * + * @EM28XX_AMUX_UNUSED: + * Used only on em28xx dev->map field, in order to mark an entry + * as unused. + * @EM28XX_AMUX_VIDEO: + * On devices without AC97, this is the only value that it is currently + * allowed. + * On devices with AC97, it corresponds to the AC97 mixer "Video" control. + * @EM28XX_AMUX_LINE_IN: + * Only for devices with AC97. Corresponds to AC97 mixer "Line In". + * @EM28XX_AMUX_VIDEO2: + * Only for devices with AC97. It means that em28xx should use "Line In" + * And AC97 should use the "Video" mixer control. + * @EM28XX_AMUX_PHONE: + * Only for devices with AC97. Corresponds to AC97 mixer "Phone". + * @EM28XX_AMUX_MIC: + * Only for devices with AC97. Corresponds to AC97 mixer "Mic". + * @EM28XX_AMUX_CD: + * Only for devices with AC97. Corresponds to AC97 mixer "CD". + * @EM28XX_AMUX_AUX: + * Only for devices with AC97. Corresponds to AC97 mixer "Aux". + * @EM28XX_AMUX_PCM_OUT: + * Only for devices with AC97. Corresponds to AC97 mixer "PCM out". + * + * The em28xx chip itself has only two audio inputs: tuner and line in. + * On almost all devices, only the tuner input is used. + * + * However, on most devices, an auxiliary AC97 codec device is used, + * usually connected to the em28xx tuner input (except for + * @EM28XX_AMUX_LINE_IN). + * + * The AC97 device typically have several different inputs and outputs. + * The exact number and description depends on their model. + * + * It is possible to AC97 to mixer more than one different entries at the + * same time, via the alsa mux. + */ +enum em28xx_amux { + EM28XX_AMUX_UNUSED = -1, + EM28XX_AMUX_VIDEO = 0, + EM28XX_AMUX_LINE_IN, + + /* Some less-common mixer setups */ + EM28XX_AMUX_VIDEO2, + EM28XX_AMUX_PHONE, + EM28XX_AMUX_MIC, + EM28XX_AMUX_CD, + EM28XX_AMUX_AUX, + EM28XX_AMUX_PCM_OUT, +}; + +enum em28xx_aout { + /* AC97 outputs */ + EM28XX_AOUT_MASTER = BIT(0), + EM28XX_AOUT_LINE = BIT(1), + EM28XX_AOUT_MONO = BIT(2), + EM28XX_AOUT_LFE = BIT(3), + EM28XX_AOUT_SURR = BIT(4), + + /* PCM IN Mixer - used by AC97_RECORD_SELECT register */ + EM28XX_AOUT_PCM_IN = BIT(7), + + /* Bits 10-8 are used to indicate the PCM IN record select */ + EM28XX_AOUT_PCM_MIC_PCM = 0 << 8, + EM28XX_AOUT_PCM_CD = 1 << 8, + EM28XX_AOUT_PCM_VIDEO = 2 << 8, + EM28XX_AOUT_PCM_AUX = 3 << 8, + EM28XX_AOUT_PCM_LINE = 4 << 8, + EM28XX_AOUT_PCM_STEREO = 5 << 8, + EM28XX_AOUT_PCM_MONO = 6 << 8, + EM28XX_AOUT_PCM_PHONE = 7 << 8, +}; + +static inline int ac97_return_record_select(int a_out) +{ + return (a_out & 0x700) >> 8; +} + +struct em28xx_reg_seq { + int reg; + unsigned char val, mask; + int sleep; +}; + +struct em28xx_input { + enum enum28xx_itype type; + unsigned int vmux; + enum em28xx_amux amux; + enum em28xx_aout aout; + const struct em28xx_reg_seq *gpio; +}; + +#define INPUT(nr) (&em28xx_boards[dev->model].input[nr]) + +enum em28xx_decoder { + EM28XX_NODECODER = 0, + EM28XX_TVP5150, + EM28XX_SAA711X, +}; + +enum em28xx_sensor { + EM28XX_NOSENSOR = 0, + EM28XX_MT9V011, + EM28XX_MT9M001, + EM28XX_MT9M111, + EM28XX_OV2640, +}; + +enum em28xx_adecoder { + EM28XX_NOADECODER = 0, + EM28XX_TVAUDIO, +}; + +enum em28xx_led_role { + EM28XX_LED_ANALOG_CAPTURING = 0, + EM28XX_LED_DIGITAL_CAPTURING, + EM28XX_LED_DIGITAL_CAPTURING_TS2, + EM28XX_LED_ILLUMINATION, + EM28XX_NUM_LED_ROLES, /* must be the last */ +}; + +struct em28xx_led { + enum em28xx_led_role role; + u8 gpio_reg; + u8 gpio_mask; + bool inverted; +}; + +enum em28xx_button_role { + EM28XX_BUTTON_SNAPSHOT = 0, + EM28XX_BUTTON_ILLUMINATION, + EM28XX_NUM_BUTTON_ROLES, /* must be the last */ +}; + +struct em28xx_button { + enum em28xx_button_role role; + u8 reg_r; + u8 reg_clearing; + u8 mask; + bool inverted; +}; + +struct em28xx_board { + char *name; + int vchannels; + int tuner_type; + int tuner_addr; + unsigned int def_i2c_bus; /* Default I2C bus */ + + /* i2c flags */ + unsigned int tda9887_conf; + + /* GPIO sequences */ + const struct em28xx_reg_seq *dvb_gpio; + const struct em28xx_reg_seq *suspend_gpio; + const struct em28xx_reg_seq *tuner_gpio; + const struct em28xx_reg_seq *mute_gpio; + + unsigned int is_em2800:1; + unsigned int has_msp34xx:1; + unsigned int mts_firmware:1; + unsigned int max_range_640_480:1; + unsigned int has_dvb:1; + unsigned int has_dual_ts:1; + unsigned int is_webcam:1; + unsigned int valid:1; + unsigned int has_ir_i2c:1; + + unsigned char xclk, i2c_speed; + unsigned char radio_addr; + unsigned short tvaudio_addr; + + enum em28xx_decoder decoder; + enum em28xx_adecoder adecoder; + + struct em28xx_input input[MAX_EM28XX_INPUT]; + struct em28xx_input radio; + char *ir_codes; + + /* LEDs that need to be controlled explicitly */ + struct em28xx_led *leds; + + /* Buttons */ + const struct em28xx_button *buttons; +}; + +struct em28xx_eeprom { + u8 id[4]; /* 1a eb 67 95 */ + __le16 vendor_ID; + __le16 product_ID; + + __le16 chip_conf; + + __le16 board_conf; + + __le16 string1, string2, string3; + + u8 string_idx_table; +}; + +#define EM28XX_CAPTURE_STREAM_EN 1 + +/* em28xx extensions */ +#define EM28XX_AUDIO 0x10 +#define EM28XX_DVB 0x20 +#define EM28XX_RC 0x30 +#define EM28XX_V4L2 0x40 + +/* em28xx resource types (used for res_get/res_lock etc */ +#define EM28XX_RESOURCE_VIDEO 0x01 +#define EM28XX_RESOURCE_VBI 0x02 + +struct em28xx_v4l2 { + struct kref ref; + struct em28xx *dev; + + struct v4l2_device v4l2_dev; + struct v4l2_ctrl_handler ctrl_handler; + + struct video_device vdev; + struct video_device vbi_dev; + struct video_device radio_dev; + + /* Videobuf2 */ + struct vb2_queue vb_vidq; + struct vb2_queue vb_vbiq; + struct mutex vb_queue_lock; /* Protects vb_vidq */ + struct mutex vb_vbi_queue_lock; /* Protects vb_vbiq */ + + u8 vinmode; + u8 vinctl; + + /* Camera specific fields */ + int sensor_xres; + int sensor_yres; + int sensor_xtal; + + int users; /* user count for exclusive use */ + int streaming_users; /* number of actively streaming users */ + + u32 frequency; /* selected tuner frequency */ + + struct em28xx_fmt *format; + v4l2_std_id norm; /* selected tv norm */ + + /* Progressive/interlaced mode */ + bool progressive; + int interlaced_fieldmode; /* 1=interlaced fields, 0=just top fields */ + /* FIXME: everything else than interlaced_fieldmode=1 doesn't work */ + + /* Frame properties */ + int width; /* current frame width */ + int height; /* current frame height */ + unsigned int hscale; /* horizontal scale factor (see datasheet) */ + unsigned int vscale; /* vertical scale factor (see datasheet) */ + unsigned int vbi_width; + unsigned int vbi_height; /* lines per field */ + + /* Capture state tracking */ + int capture_type; + bool top_field; + int vbi_read; + unsigned int field_count; + +#ifdef CONFIG_MEDIA_CONTROLLER + struct media_pad video_pad, vbi_pad; + struct media_entity *decoder; +#endif +}; + +struct em28xx_audio { + char name[50]; + unsigned int num_urb; + char **transfer_buffer; + struct urb **urb; + struct usb_device *udev; + unsigned int capture_transfer_done; + struct snd_pcm_substream *capture_pcm_substream; + + unsigned int hwptr_done_capture; + struct snd_card *sndcard; + + size_t period; + + int users; + spinlock_t slock; /* Protects struct em28xx_audio */ + + /* Controls streaming */ + struct work_struct wq_trigger; /* trigger to start/stop audio */ + atomic_t stream_started; /* stream should be running if true */ +}; + +struct em28xx; + +enum em28xx_i2c_algo_type { + EM28XX_I2C_ALGO_EM28XX = 0, + EM28XX_I2C_ALGO_EM2800, + EM28XX_I2C_ALGO_EM25XX_BUS_B, +}; + +struct em28xx_i2c_bus { + struct em28xx *dev; + + unsigned int bus; + enum em28xx_i2c_algo_type algo_type; +}; + +/* main device struct */ +struct em28xx { + struct kref ref; + + // Sub-module data + struct em28xx_v4l2 *v4l2; + struct em28xx_dvb *dvb; + struct em28xx_audio adev; + struct em28xx_IR *ir; + + // generic device properties + int model; // index in the device_data struct + int devno; // marks the number of this device + enum em28xx_chip_id chip_id; + + unsigned int is_em25xx:1; // em25xx/em276x/7x/8x family bridge + unsigned int disconnected:1; // device has been diconnected + unsigned int has_video:1; + unsigned int is_audio_only:1; + unsigned int is_webcam:1; + unsigned int has_msp34xx:1; + unsigned int i2c_speed:2; + enum em28xx_int_audio_type int_audio_type; + enum em28xx_usb_audio_type usb_audio_type; + unsigned char name[32]; + + struct em28xx_board board; + + enum em28xx_sensor em28xx_sensor; // camera specific + + // Some older em28xx chips needs a waiting time after writing + unsigned int wait_after_write; + + struct list_head devlist; + + u32 i2s_speed; // I2S speed for audio digital stream + + struct em28xx_audio_mode audio_mode; + + int tuner_type; // type of the tuner + + // i2c i/o + struct i2c_adapter i2c_adap[NUM_I2C_BUSES]; + struct i2c_client i2c_client[NUM_I2C_BUSES]; + struct em28xx_i2c_bus i2c_bus[NUM_I2C_BUSES]; + + unsigned char eeprom_addrwidth_16bit:1; + unsigned int def_i2c_bus; // Default I2C bus + unsigned int cur_i2c_bus; // Current I2C bus + struct rt_mutex i2c_bus_lock; + + // video for linux + unsigned int ctl_input; // selected input + unsigned int ctl_ainput;// selected audio input + unsigned int ctl_aoutput;// selected audio output + enum em28xx_amux amux_map[MAX_EM28XX_INPUT]; + + int mute; + int volume; + + unsigned long hash; // eeprom hash - for boards with generic ID + unsigned long i2c_hash; // i2c devicelist hash - + // for boards with generic ID + + struct work_struct request_module_wk; + + // locks + struct mutex lock; /* protects em28xx struct */ + struct mutex ctrl_urb_lock; /* protects urb_buf */ + + // resources in use + unsigned int resources; + + // eeprom content + u8 *eedata; + u16 eedata_len; + + // Isoc control struct + struct em28xx_dmaqueue vidq; + struct em28xx_dmaqueue vbiq; + struct em28xx_usb_ctl usb_ctl; + + spinlock_t slock; /* Protects em28xx video/vbi/dvb IRQ stream data */ + + // usb transfer + struct usb_interface *intf; // the usb interface + u8 ifnum; // number of the assigned usb interface + u8 analog_ep_isoc; // address of isoc endpoint for analog + u8 analog_ep_bulk; // address of bulk endpoint for analog + u8 dvb_ep_isoc_ts2; // address of isoc endpoint for DVB TS2 + u8 dvb_ep_bulk_ts2; // address of bulk endpoint for DVB TS2 + u8 dvb_ep_isoc; // address of isoc endpoint for DVB + u8 dvb_ep_bulk; // address of bulk endpoint for DVB + int alt; // alternate setting + int max_pkt_size; // max packet size of the selected ep at alt + int packet_multiplier; // multiplier for wMaxPacketSize, used for + // URB buffer size definition + int num_alt; // number of alternative settings + unsigned int *alt_max_pkt_size_isoc; // array of isoc wMaxPacketSize + unsigned int analog_xfer_bulk:1; // use bulk instead of isoc + // transfers for analog + int dvb_alt_isoc; // alternate setting for DVB isoc transfers + unsigned int dvb_max_pkt_size_isoc; // isoc max packet size of the + // selected DVB ep at dvb_alt + unsigned int dvb_max_pkt_size_isoc_ts2; // isoc max packet size of the + // selected DVB ep at dvb_alt + unsigned int dvb_xfer_bulk:1; // use bulk instead of isoc + // transfers for DVB + char urb_buf[URB_MAX_CTRL_SIZE]; // urb control msg buffer + + // helper funcs that call usb_control_msg + int (*em28xx_write_regs)(struct em28xx *dev, u16 reg, + char *buf, int len); + int (*em28xx_read_reg)(struct em28xx *dev, u16 reg); + int (*em28xx_read_reg_req_len)(struct em28xx *dev, u8 req, u16 reg, + char *buf, int len); + int (*em28xx_write_regs_req)(struct em28xx *dev, u8 req, u16 reg, + char *buf, int len); + int (*em28xx_read_reg_req)(struct em28xx *dev, u8 req, u16 reg); + + enum em28xx_mode mode; + + // Button state polling + struct delayed_work buttons_query_work; + u8 button_polling_addresses[EM28XX_NUM_BUTTON_ADDRESSES_MAX]; + u8 button_polling_last_values[EM28XX_NUM_BUTTON_ADDRESSES_MAX]; + u8 num_button_polling_addresses; + u16 button_polling_interval; // [ms] + // Snapshot button input device + char snapshot_button_path[30]; // path of the input dev + struct input_dev *sbutton_input_dev; + +#ifdef CONFIG_MEDIA_CONTROLLER + struct media_device *media_dev; + struct media_entity input_ent[MAX_EM28XX_INPUT]; + struct media_pad input_pad[MAX_EM28XX_INPUT]; +#endif + + struct em28xx *dev_next; + int ts; +}; + +#define kref_to_dev(d) container_of(d, struct em28xx, ref) + +struct em28xx_ops { + struct list_head next; + char *name; + int id; + int (*init)(struct em28xx *dev); + int (*fini)(struct em28xx *dev); + int (*suspend)(struct em28xx *dev); + int (*resume)(struct em28xx *dev); +}; + +/* Provided by em28xx-i2c.c */ +void em28xx_do_i2c_scan(struct em28xx *dev, unsigned int bus); +int em28xx_i2c_register(struct em28xx *dev, unsigned int bus, + enum em28xx_i2c_algo_type algo_type); +int em28xx_i2c_unregister(struct em28xx *dev, unsigned int bus); + +/* Provided by em28xx-core.c */ +int em28xx_read_reg_req_len(struct em28xx *dev, u8 req, u16 reg, + char *buf, int len); +int em28xx_read_reg_req(struct em28xx *dev, u8 req, u16 reg); +int em28xx_read_reg(struct em28xx *dev, u16 reg); +int em28xx_write_regs_req(struct em28xx *dev, u8 req, u16 reg, char *buf, + int len); +int em28xx_write_regs(struct em28xx *dev, u16 reg, char *buf, int len); +int em28xx_write_reg(struct em28xx *dev, u16 reg, u8 val); +int em28xx_write_reg_bits(struct em28xx *dev, u16 reg, u8 val, + u8 bitmask); +int em28xx_toggle_reg_bits(struct em28xx *dev, u16 reg, u8 bitmask); + +int em28xx_read_ac97(struct em28xx *dev, u8 reg); +int em28xx_write_ac97(struct em28xx *dev, u8 reg, u16 val); + +int em28xx_audio_analog_set(struct em28xx *dev); +int em28xx_audio_setup(struct em28xx *dev); + +const struct em28xx_led *em28xx_find_led(struct em28xx *dev, + enum em28xx_led_role role); +int em28xx_capture_start(struct em28xx *dev, int start); +int em28xx_alloc_urbs(struct em28xx *dev, enum em28xx_mode mode, int xfer_bulk, + int num_bufs, int max_pkt_size, int packet_multiplier); +int em28xx_init_usb_xfer(struct em28xx *dev, enum em28xx_mode mode, + int xfer_bulk, + int num_bufs, int max_pkt_size, int packet_multiplier, + int (*urb_data_copy) + (struct em28xx *dev, struct urb *urb)); +void em28xx_uninit_usb_xfer(struct em28xx *dev, enum em28xx_mode mode); +void em28xx_stop_urbs(struct em28xx *dev); +int em28xx_set_mode(struct em28xx *dev, enum em28xx_mode set_mode); +int em28xx_gpio_set(struct em28xx *dev, const struct em28xx_reg_seq *gpio); +int em28xx_register_extension(struct em28xx_ops *dev); +void em28xx_unregister_extension(struct em28xx_ops *dev); +void em28xx_init_extension(struct em28xx *dev); +void em28xx_close_extension(struct em28xx *dev); +int em28xx_suspend_extension(struct em28xx *dev); +int em28xx_resume_extension(struct em28xx *dev); + +/* Provided by em28xx-cards.c */ +extern const struct em28xx_board em28xx_boards[]; +extern struct usb_device_id em28xx_id_table[]; +int em28xx_tuner_callback(void *ptr, int component, int command, int arg); +void em28xx_setup_xc3028(struct em28xx *dev, struct xc2028_ctrl *ctl); +void em28xx_free_device(struct kref *ref); + +/* Provided by em28xx-camera.c */ +int em28xx_detect_sensor(struct em28xx *dev); +int em28xx_init_camera(struct em28xx *dev); + +#endif |