diff options
Diffstat (limited to 'drivers/media/pci/cx23885/cx23885-video.c')
| -rw-r--r-- | drivers/media/pci/cx23885/cx23885-video.c | 1333 |
1 files changed, 1333 insertions, 0 deletions
diff --git a/drivers/media/pci/cx23885/cx23885-video.c b/drivers/media/pci/cx23885/cx23885-video.c new file mode 100644 index 000000000..2a20c7165 --- /dev/null +++ b/drivers/media/pci/cx23885/cx23885-video.c @@ -0,0 +1,1333 @@ +/* + * Driver for the Conexant CX23885 PCIe bridge + * + * Copyright (c) 2007 Steven Toth <stoth@linuxtv.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; 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 "cx23885.h" +#include "cx23885-video.h" + +#include <linux/init.h> +#include <linux/list.h> +#include <linux/module.h> +#include <linux/moduleparam.h> +#include <linux/kmod.h> +#include <linux/kernel.h> +#include <linux/slab.h> +#include <linux/interrupt.h> +#include <linux/delay.h> +#include <linux/kthread.h> +#include <asm/div64.h> + +#include <media/v4l2-common.h> +#include <media/v4l2-ioctl.h> +#include <media/v4l2-event.h> +#include "cx23885-ioctl.h" +#include "tuner-xc2028.h" + +#include <media/drv-intf/cx25840.h> + +MODULE_DESCRIPTION("v4l2 driver module for cx23885 based TV cards"); +MODULE_AUTHOR("Steven Toth <stoth@linuxtv.org>"); +MODULE_LICENSE("GPL"); + +/* ------------------------------------------------------------------ */ + +static unsigned int video_nr[] = {[0 ... (CX23885_MAXBOARDS - 1)] = UNSET }; +static unsigned int vbi_nr[] = {[0 ... (CX23885_MAXBOARDS - 1)] = UNSET }; + +module_param_array(video_nr, int, NULL, 0444); +module_param_array(vbi_nr, int, NULL, 0444); + +MODULE_PARM_DESC(video_nr, "video device numbers"); +MODULE_PARM_DESC(vbi_nr, "vbi device numbers"); + +static unsigned int video_debug; +module_param(video_debug, int, 0644); +MODULE_PARM_DESC(video_debug, "enable debug messages [video]"); + +static unsigned int irq_debug; +module_param(irq_debug, int, 0644); +MODULE_PARM_DESC(irq_debug, "enable debug messages [IRQ handler]"); + +static unsigned int vid_limit = 16; +module_param(vid_limit, int, 0644); +MODULE_PARM_DESC(vid_limit, "capture memory limit in megabytes"); + +#define dprintk(level, fmt, arg...)\ + do { if (video_debug >= level)\ + printk(KERN_DEBUG pr_fmt("%s: video:" fmt), \ + __func__, ##arg); \ + } while (0) + +/* ------------------------------------------------------------------- */ +/* static data */ + +#define FORMAT_FLAGS_PACKED 0x01 +static struct cx23885_fmt formats[] = { + { + .name = "4:2:2, packed, YUYV", + .fourcc = V4L2_PIX_FMT_YUYV, + .depth = 16, + .flags = FORMAT_FLAGS_PACKED, + } +}; + +static struct cx23885_fmt *format_by_fourcc(unsigned int fourcc) +{ + unsigned int i; + + for (i = 0; i < ARRAY_SIZE(formats); i++) + if (formats[i].fourcc == fourcc) + return formats+i; + return NULL; +} + +/* ------------------------------------------------------------------- */ + +void cx23885_video_wakeup(struct cx23885_dev *dev, + struct cx23885_dmaqueue *q, u32 count) +{ + struct cx23885_buffer *buf; + + if (list_empty(&q->active)) + return; + buf = list_entry(q->active.next, + struct cx23885_buffer, queue); + + buf->vb.sequence = q->count++; + buf->vb.vb2_buf.timestamp = ktime_get_ns(); + dprintk(2, "[%p/%d] wakeup reg=%d buf=%d\n", buf, + buf->vb.vb2_buf.index, count, q->count); + list_del(&buf->queue); + vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_DONE); +} + +int cx23885_set_tvnorm(struct cx23885_dev *dev, v4l2_std_id norm) +{ + struct v4l2_subdev_format format = { + .which = V4L2_SUBDEV_FORMAT_ACTIVE, + .format.code = MEDIA_BUS_FMT_FIXED, + }; + + dprintk(1, "%s(norm = 0x%08x) name: [%s]\n", + __func__, + (unsigned int)norm, + v4l2_norm_to_name(norm)); + + if (dev->tvnorm == norm) + return 0; + + if (dev->tvnorm != norm) { + if (vb2_is_busy(&dev->vb2_vidq) || vb2_is_busy(&dev->vb2_vbiq) || + vb2_is_busy(&dev->vb2_mpegq)) + return -EBUSY; + } + + dev->tvnorm = norm; + dev->width = 720; + dev->height = norm_maxh(norm); + dev->field = V4L2_FIELD_INTERLACED; + + call_all(dev, video, s_std, norm); + + format.format.width = dev->width; + format.format.height = dev->height; + format.format.field = dev->field; + call_all(dev, pad, set_fmt, NULL, &format); + + return 0; +} + +static struct video_device *cx23885_vdev_init(struct cx23885_dev *dev, + struct pci_dev *pci, + struct video_device *template, + char *type) +{ + struct video_device *vfd; + dprintk(1, "%s()\n", __func__); + + vfd = video_device_alloc(); + if (NULL == vfd) + return NULL; + *vfd = *template; + vfd->v4l2_dev = &dev->v4l2_dev; + vfd->release = video_device_release; + vfd->lock = &dev->lock; + snprintf(vfd->name, sizeof(vfd->name), "%s (%s)", + cx23885_boards[dev->board].name, type); + video_set_drvdata(vfd, dev); + return vfd; +} + +int cx23885_flatiron_write(struct cx23885_dev *dev, u8 reg, u8 data) +{ + /* 8 bit registers, 8 bit values */ + u8 buf[] = { reg, data }; + + struct i2c_msg msg = { .addr = 0x98 >> 1, + .flags = 0, .buf = buf, .len = 2 }; + + return i2c_transfer(&dev->i2c_bus[2].i2c_adap, &msg, 1); +} + +u8 cx23885_flatiron_read(struct cx23885_dev *dev, u8 reg) +{ + /* 8 bit registers, 8 bit values */ + int ret; + u8 b0[] = { reg }; + u8 b1[] = { 0 }; + + struct i2c_msg msg[] = { + { .addr = 0x98 >> 1, .flags = 0, .buf = b0, .len = 1 }, + { .addr = 0x98 >> 1, .flags = I2C_M_RD, .buf = b1, .len = 1 } + }; + + ret = i2c_transfer(&dev->i2c_bus[2].i2c_adap, &msg[0], 2); + if (ret != 2) + pr_err("%s() error\n", __func__); + + return b1[0]; +} + +static void cx23885_flatiron_dump(struct cx23885_dev *dev) +{ + int i; + dprintk(1, "Flatiron dump\n"); + for (i = 0; i < 0x24; i++) { + dprintk(1, "FI[%02x] = %02x\n", i, + cx23885_flatiron_read(dev, i)); + } +} + +static int cx23885_flatiron_mux(struct cx23885_dev *dev, int input) +{ + u8 val; + dprintk(1, "%s(input = %d)\n", __func__, input); + + if (input == 1) + val = cx23885_flatiron_read(dev, CH_PWR_CTRL1) & ~FLD_CH_SEL; + else if (input == 2) + val = cx23885_flatiron_read(dev, CH_PWR_CTRL1) | FLD_CH_SEL; + else + return -EINVAL; + + val |= 0x20; /* Enable clock to delta-sigma and dec filter */ + + cx23885_flatiron_write(dev, CH_PWR_CTRL1, val); + + /* Wake up */ + cx23885_flatiron_write(dev, CH_PWR_CTRL2, 0); + + if (video_debug) + cx23885_flatiron_dump(dev); + + return 0; +} + +static int cx23885_video_mux(struct cx23885_dev *dev, unsigned int input) +{ + dprintk(1, "%s() video_mux: %d [vmux=%d, gpio=0x%x,0x%x,0x%x,0x%x]\n", + __func__, + input, INPUT(input)->vmux, + INPUT(input)->gpio0, INPUT(input)->gpio1, + INPUT(input)->gpio2, INPUT(input)->gpio3); + dev->input = input; + + if (dev->board == CX23885_BOARD_MYGICA_X8506 || + dev->board == CX23885_BOARD_MAGICPRO_PROHDTVE2 || + dev->board == CX23885_BOARD_MYGICA_X8507) { + /* Select Analog TV */ + if (INPUT(input)->type == CX23885_VMUX_TELEVISION) + cx23885_gpio_clear(dev, GPIO_0); + } + + /* Tell the internal A/V decoder */ + v4l2_subdev_call(dev->sd_cx25840, video, s_routing, + INPUT(input)->vmux, 0, 0); + + if ((dev->board == CX23885_BOARD_HAUPPAUGE_HVR1800) || + (dev->board == CX23885_BOARD_MPX885) || + (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1250) || + (dev->board == CX23885_BOARD_HAUPPAUGE_IMPACTVCBE) || + (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255) || + (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255_22111) || + (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1265_K4) || + (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1850) || + (dev->board == CX23885_BOARD_MYGICA_X8507) || + (dev->board == CX23885_BOARD_AVERMEDIA_HC81R) || + (dev->board == CX23885_BOARD_VIEWCAST_260E) || + (dev->board == CX23885_BOARD_VIEWCAST_460E) || + (dev->board == CX23885_BOARD_AVERMEDIA_CE310B)) { + /* Configure audio routing */ + v4l2_subdev_call(dev->sd_cx25840, audio, s_routing, + INPUT(input)->amux, 0, 0); + + if (INPUT(input)->amux == CX25840_AUDIO7) + cx23885_flatiron_mux(dev, 1); + else if (INPUT(input)->amux == CX25840_AUDIO6) + cx23885_flatiron_mux(dev, 2); + } + + return 0; +} + +static int cx23885_audio_mux(struct cx23885_dev *dev, unsigned int input) +{ + dprintk(1, "%s(input=%d)\n", __func__, input); + + /* The baseband video core of the cx23885 has two audio inputs. + * LR1 and LR2. In almost every single case so far only HVR1xxx + * cards we've only ever supported LR1. Time to support LR2, + * which is available via the optional white breakout header on + * the board. + * We'll use a could of existing enums in the card struct to allow + * devs to specify which baseband input they need, or just default + * to what we've always used. + */ + if (INPUT(input)->amux == CX25840_AUDIO7) + cx23885_flatiron_mux(dev, 1); + else if (INPUT(input)->amux == CX25840_AUDIO6) + cx23885_flatiron_mux(dev, 2); + else { + /* Not specifically defined, assume the default. */ + cx23885_flatiron_mux(dev, 1); + } + + return 0; +} + +/* ------------------------------------------------------------------ */ +static int cx23885_start_video_dma(struct cx23885_dev *dev, + struct cx23885_dmaqueue *q, + struct cx23885_buffer *buf) +{ + dprintk(1, "%s()\n", __func__); + + /* Stop the dma/fifo before we tamper with it's risc programs */ + cx_clear(VID_A_DMA_CTL, 0x11); + + /* setup fifo + format */ + cx23885_sram_channel_setup(dev, &dev->sram_channels[SRAM_CH01], + buf->bpl, buf->risc.dma); + + /* reset counter */ + cx_write(VID_A_GPCNT_CTL, 3); + q->count = 0; + + /* enable irq */ + cx23885_irq_add_enable(dev, 0x01); + cx_set(VID_A_INT_MSK, 0x000011); + + /* start dma */ + cx_set(DEV_CNTRL2, (1<<5)); + cx_set(VID_A_DMA_CTL, 0x11); /* FIFO and RISC enable */ + + return 0; +} + +static int queue_setup(struct vb2_queue *q, + unsigned int *num_buffers, unsigned int *num_planes, + unsigned int sizes[], struct device *alloc_devs[]) +{ + struct cx23885_dev *dev = q->drv_priv; + + *num_planes = 1; + sizes[0] = (dev->fmt->depth * dev->width * dev->height) >> 3; + return 0; +} + +static int buffer_prepare(struct vb2_buffer *vb) +{ + struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); + struct cx23885_dev *dev = vb->vb2_queue->drv_priv; + struct cx23885_buffer *buf = + container_of(vbuf, struct cx23885_buffer, vb); + u32 line0_offset, line1_offset; + struct sg_table *sgt = vb2_dma_sg_plane_desc(vb, 0); + int field_tff; + + buf->bpl = (dev->width * dev->fmt->depth) >> 3; + + if (vb2_plane_size(vb, 0) < dev->height * buf->bpl) + return -EINVAL; + vb2_set_plane_payload(vb, 0, dev->height * buf->bpl); + + switch (dev->field) { + case V4L2_FIELD_TOP: + cx23885_risc_buffer(dev->pci, &buf->risc, + sgt->sgl, 0, UNSET, + buf->bpl, 0, dev->height); + break; + case V4L2_FIELD_BOTTOM: + cx23885_risc_buffer(dev->pci, &buf->risc, + sgt->sgl, UNSET, 0, + buf->bpl, 0, dev->height); + break; + case V4L2_FIELD_INTERLACED: + if (dev->tvnorm & V4L2_STD_525_60) + /* NTSC or */ + field_tff = 1; + else + field_tff = 0; + + if (cx23885_boards[dev->board].force_bff) + /* PAL / SECAM OR 888 in NTSC MODE */ + field_tff = 0; + + if (field_tff) { + /* cx25840 transmits NTSC bottom field first */ + dprintk(1, "%s() Creating TFF/NTSC risc\n", + __func__); + line0_offset = buf->bpl; + line1_offset = 0; + } else { + /* All other formats are top field first */ + dprintk(1, "%s() Creating BFF/PAL/SECAM risc\n", + __func__); + line0_offset = 0; + line1_offset = buf->bpl; + } + cx23885_risc_buffer(dev->pci, &buf->risc, + sgt->sgl, line0_offset, + line1_offset, + buf->bpl, buf->bpl, + dev->height >> 1); + break; + case V4L2_FIELD_SEQ_TB: + cx23885_risc_buffer(dev->pci, &buf->risc, + sgt->sgl, + 0, buf->bpl * (dev->height >> 1), + buf->bpl, 0, + dev->height >> 1); + break; + case V4L2_FIELD_SEQ_BT: + cx23885_risc_buffer(dev->pci, &buf->risc, + sgt->sgl, + buf->bpl * (dev->height >> 1), 0, + buf->bpl, 0, + dev->height >> 1); + break; + default: + BUG(); + } + dprintk(2, "[%p/%d] buffer_init - %dx%d %dbpp \"%s\" - dma=0x%08lx\n", + buf, buf->vb.vb2_buf.index, + dev->width, dev->height, dev->fmt->depth, dev->fmt->name, + (unsigned long)buf->risc.dma); + return 0; +} + +static void buffer_finish(struct vb2_buffer *vb) +{ + struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); + struct cx23885_buffer *buf = container_of(vbuf, + struct cx23885_buffer, vb); + + cx23885_free_buffer(vb->vb2_queue->drv_priv, buf); +} + +/* + * The risc program for each buffer works as follows: it starts with a simple + * 'JUMP to addr + 12', which is effectively a NOP. Then the code to DMA the + * buffer follows and at the end we have a JUMP back to the start + 12 (skipping + * the initial JUMP). + * + * This is the risc program of the first buffer to be queued if the active list + * is empty and it just keeps DMAing this buffer without generating any + * interrupts. + * + * If a new buffer is added then the initial JUMP in the code for that buffer + * will generate an interrupt which signals that the previous buffer has been + * DMAed successfully and that it can be returned to userspace. + * + * It also sets the final jump of the previous buffer to the start of the new + * buffer, thus chaining the new buffer into the DMA chain. This is a single + * atomic u32 write, so there is no race condition. + * + * The end-result of all this that you only get an interrupt when a buffer + * is ready, so the control flow is very easy. + */ +static void buffer_queue(struct vb2_buffer *vb) +{ + struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); + struct cx23885_dev *dev = vb->vb2_queue->drv_priv; + struct cx23885_buffer *buf = container_of(vbuf, + struct cx23885_buffer, vb); + struct cx23885_buffer *prev; + struct cx23885_dmaqueue *q = &dev->vidq; + unsigned long flags; + + /* add jump to start */ + buf->risc.cpu[1] = cpu_to_le32(buf->risc.dma + 12); + buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_CNT_INC); + buf->risc.jmp[1] = cpu_to_le32(buf->risc.dma + 12); + buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */ + + spin_lock_irqsave(&dev->slock, flags); + if (list_empty(&q->active)) { + list_add_tail(&buf->queue, &q->active); + dprintk(2, "[%p/%d] buffer_queue - first active\n", + buf, buf->vb.vb2_buf.index); + } else { + buf->risc.cpu[0] |= cpu_to_le32(RISC_IRQ1); + prev = list_entry(q->active.prev, struct cx23885_buffer, + queue); + list_add_tail(&buf->queue, &q->active); + prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); + dprintk(2, "[%p/%d] buffer_queue - append to active\n", + buf, buf->vb.vb2_buf.index); + } + spin_unlock_irqrestore(&dev->slock, flags); +} + +static int cx23885_start_streaming(struct vb2_queue *q, unsigned int count) +{ + struct cx23885_dev *dev = q->drv_priv; + struct cx23885_dmaqueue *dmaq = &dev->vidq; + struct cx23885_buffer *buf = list_entry(dmaq->active.next, + struct cx23885_buffer, queue); + + cx23885_start_video_dma(dev, dmaq, buf); + return 0; +} + +static void cx23885_stop_streaming(struct vb2_queue *q) +{ + struct cx23885_dev *dev = q->drv_priv; + struct cx23885_dmaqueue *dmaq = &dev->vidq; + unsigned long flags; + + cx_clear(VID_A_DMA_CTL, 0x11); + spin_lock_irqsave(&dev->slock, flags); + while (!list_empty(&dmaq->active)) { + struct cx23885_buffer *buf = list_entry(dmaq->active.next, + struct cx23885_buffer, queue); + + list_del(&buf->queue); + vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR); + } + spin_unlock_irqrestore(&dev->slock, flags); +} + +static const struct vb2_ops cx23885_video_qops = { + .queue_setup = queue_setup, + .buf_prepare = buffer_prepare, + .buf_finish = buffer_finish, + .buf_queue = buffer_queue, + .wait_prepare = vb2_ops_wait_prepare, + .wait_finish = vb2_ops_wait_finish, + .start_streaming = cx23885_start_streaming, + .stop_streaming = cx23885_stop_streaming, +}; + +/* ------------------------------------------------------------------ */ +/* VIDEO IOCTLS */ + +static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, + struct v4l2_format *f) +{ + struct cx23885_dev *dev = video_drvdata(file); + + f->fmt.pix.width = dev->width; + f->fmt.pix.height = dev->height; + f->fmt.pix.field = dev->field; + f->fmt.pix.pixelformat = dev->fmt->fourcc; + f->fmt.pix.bytesperline = + (f->fmt.pix.width * dev->fmt->depth) >> 3; + f->fmt.pix.sizeimage = + f->fmt.pix.height * f->fmt.pix.bytesperline; + f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; + + return 0; +} + +static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, + struct v4l2_format *f) +{ + struct cx23885_dev *dev = video_drvdata(file); + struct cx23885_fmt *fmt; + enum v4l2_field field; + unsigned int maxw, maxh; + + fmt = format_by_fourcc(f->fmt.pix.pixelformat); + if (NULL == fmt) + return -EINVAL; + + field = f->fmt.pix.field; + maxw = 720; + maxh = norm_maxh(dev->tvnorm); + + if (V4L2_FIELD_ANY == field) { + field = (f->fmt.pix.height > maxh/2) + ? V4L2_FIELD_INTERLACED + : V4L2_FIELD_BOTTOM; + } + + switch (field) { + case V4L2_FIELD_TOP: + case V4L2_FIELD_BOTTOM: + maxh = maxh / 2; + break; + case V4L2_FIELD_INTERLACED: + case V4L2_FIELD_SEQ_TB: + case V4L2_FIELD_SEQ_BT: + break; + default: + field = V4L2_FIELD_INTERLACED; + break; + } + + f->fmt.pix.field = field; + v4l_bound_align_image(&f->fmt.pix.width, 48, maxw, 2, + &f->fmt.pix.height, 32, maxh, 0, 0); + f->fmt.pix.bytesperline = + (f->fmt.pix.width * fmt->depth) >> 3; + f->fmt.pix.sizeimage = + f->fmt.pix.height * f->fmt.pix.bytesperline; + f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; + + return 0; +} + +static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, + struct v4l2_format *f) +{ + struct cx23885_dev *dev = video_drvdata(file); + struct v4l2_subdev_format format = { + .which = V4L2_SUBDEV_FORMAT_ACTIVE, + }; + int err; + + dprintk(2, "%s()\n", __func__); + err = vidioc_try_fmt_vid_cap(file, priv, f); + + if (0 != err) + return err; + + if (vb2_is_busy(&dev->vb2_vidq) || vb2_is_busy(&dev->vb2_vbiq) || + vb2_is_busy(&dev->vb2_mpegq)) + return -EBUSY; + + dev->fmt = format_by_fourcc(f->fmt.pix.pixelformat); + dev->width = f->fmt.pix.width; + dev->height = f->fmt.pix.height; + dev->field = f->fmt.pix.field; + dprintk(2, "%s() width=%d height=%d field=%d\n", __func__, + dev->width, dev->height, dev->field); + v4l2_fill_mbus_format(&format.format, &f->fmt.pix, MEDIA_BUS_FMT_FIXED); + call_all(dev, pad, set_fmt, NULL, &format); + v4l2_fill_pix_format(&f->fmt.pix, &format.format); + /* set_fmt overwrites f->fmt.pix.field, restore it */ + f->fmt.pix.field = dev->field; + return 0; +} + +static int vidioc_querycap(struct file *file, void *priv, + struct v4l2_capability *cap) +{ + struct cx23885_dev *dev = video_drvdata(file); + struct video_device *vdev = video_devdata(file); + + strcpy(cap->driver, "cx23885"); + strlcpy(cap->card, cx23885_boards[dev->board].name, + sizeof(cap->card)); + sprintf(cap->bus_info, "PCIe:%s", pci_name(dev->pci)); + cap->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING | V4L2_CAP_AUDIO; + if (dev->tuner_type != TUNER_ABSENT) + cap->device_caps |= V4L2_CAP_TUNER; + if (vdev->vfl_type == VFL_TYPE_VBI) + cap->device_caps |= V4L2_CAP_VBI_CAPTURE; + else + cap->device_caps |= V4L2_CAP_VIDEO_CAPTURE; + cap->capabilities = cap->device_caps | V4L2_CAP_VBI_CAPTURE | + V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_DEVICE_CAPS; + return 0; +} + +static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, + struct v4l2_fmtdesc *f) +{ + if (unlikely(f->index >= ARRAY_SIZE(formats))) + return -EINVAL; + + strlcpy(f->description, formats[f->index].name, + sizeof(f->description)); + f->pixelformat = formats[f->index].fourcc; + + return 0; +} + +static int vidioc_cropcap(struct file *file, void *priv, + struct v4l2_cropcap *cc) +{ + struct cx23885_dev *dev = video_drvdata(file); + bool is_50hz = dev->tvnorm & V4L2_STD_625_50; + + if (cc->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) + return -EINVAL; + + cc->bounds.left = 0; + cc->bounds.top = 0; + cc->bounds.width = 720; + cc->bounds.height = norm_maxh(dev->tvnorm); + cc->defrect = cc->bounds; + cc->pixelaspect.numerator = is_50hz ? 54 : 11; + cc->pixelaspect.denominator = is_50hz ? 59 : 10; + + return 0; +} + +static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *id) +{ + struct cx23885_dev *dev = video_drvdata(file); + dprintk(1, "%s()\n", __func__); + + *id = dev->tvnorm; + return 0; +} + +static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id tvnorms) +{ + struct cx23885_dev *dev = video_drvdata(file); + dprintk(1, "%s()\n", __func__); + + return cx23885_set_tvnorm(dev, tvnorms); +} + +int cx23885_enum_input(struct cx23885_dev *dev, struct v4l2_input *i) +{ + static const char *iname[] = { + [CX23885_VMUX_COMPOSITE1] = "Composite1", + [CX23885_VMUX_COMPOSITE2] = "Composite2", + [CX23885_VMUX_COMPOSITE3] = "Composite3", + [CX23885_VMUX_COMPOSITE4] = "Composite4", + [CX23885_VMUX_SVIDEO] = "S-Video", + [CX23885_VMUX_COMPONENT] = "Component", + [CX23885_VMUX_TELEVISION] = "Television", + [CX23885_VMUX_CABLE] = "Cable TV", + [CX23885_VMUX_DVB] = "DVB", + [CX23885_VMUX_DEBUG] = "for debug only", + }; + unsigned int n; + dprintk(1, "%s()\n", __func__); + + n = i->index; + if (n >= MAX_CX23885_INPUT) + return -EINVAL; + + if (0 == INPUT(n)->type) + return -EINVAL; + + i->index = n; + i->type = V4L2_INPUT_TYPE_CAMERA; + strcpy(i->name, iname[INPUT(n)->type]); + i->std = CX23885_NORMS; + if ((CX23885_VMUX_TELEVISION == INPUT(n)->type) || + (CX23885_VMUX_CABLE == INPUT(n)->type)) { + i->type = V4L2_INPUT_TYPE_TUNER; + i->audioset = 4; + } else { + /* Two selectable audio inputs for non-tv inputs */ + i->audioset = 3; + } + + if (dev->input == n) { + /* enum'd input matches our configured input. + * Ask the video decoder to process the call + * and give it an oppertunity to update the + * status field. + */ + call_all(dev, video, g_input_status, &i->status); + } + + return 0; +} + +static int vidioc_enum_input(struct file *file, void *priv, + struct v4l2_input *i) +{ + struct cx23885_dev *dev = video_drvdata(file); + dprintk(1, "%s()\n", __func__); + return cx23885_enum_input(dev, i); +} + +int cx23885_get_input(struct file *file, void *priv, unsigned int *i) +{ + struct cx23885_dev *dev = video_drvdata(file); + + *i = dev->input; + dprintk(1, "%s() returns %d\n", __func__, *i); + return 0; +} + +static int vidioc_g_input(struct file *file, void *priv, unsigned int *i) +{ + return cx23885_get_input(file, priv, i); +} + +int cx23885_set_input(struct file *file, void *priv, unsigned int i) +{ + struct cx23885_dev *dev = video_drvdata(file); + + dprintk(1, "%s(%d)\n", __func__, i); + + if (i >= MAX_CX23885_INPUT) { + dprintk(1, "%s() -EINVAL\n", __func__); + return -EINVAL; + } + + if (INPUT(i)->type == 0) + return -EINVAL; + + cx23885_video_mux(dev, i); + + /* By default establish the default audio input for the card also */ + /* Caller is free to use VIDIOC_S_AUDIO to override afterwards */ + cx23885_audio_mux(dev, i); + return 0; +} + +static int vidioc_s_input(struct file *file, void *priv, unsigned int i) +{ + return cx23885_set_input(file, priv, i); +} + +static int vidioc_log_status(struct file *file, void *priv) +{ + struct cx23885_dev *dev = video_drvdata(file); + + call_all(dev, core, log_status); + return 0; +} + +static int cx23885_query_audinput(struct file *file, void *priv, + struct v4l2_audio *i) +{ + static const char *iname[] = { + [0] = "Baseband L/R 1", + [1] = "Baseband L/R 2", + [2] = "TV", + }; + unsigned int n; + dprintk(1, "%s()\n", __func__); + + n = i->index; + if (n >= 3) + return -EINVAL; + + memset(i, 0, sizeof(*i)); + i->index = n; + strcpy(i->name, iname[n]); + i->capability = V4L2_AUDCAP_STEREO; + return 0; + +} + +static int vidioc_enum_audinput(struct file *file, void *priv, + struct v4l2_audio *i) +{ + return cx23885_query_audinput(file, priv, i); +} + +static int vidioc_g_audinput(struct file *file, void *priv, + struct v4l2_audio *i) +{ + struct cx23885_dev *dev = video_drvdata(file); + + if ((CX23885_VMUX_TELEVISION == INPUT(dev->input)->type) || + (CX23885_VMUX_CABLE == INPUT(dev->input)->type)) + i->index = 2; + else + i->index = dev->audinput; + dprintk(1, "%s(input=%d)\n", __func__, i->index); + + return cx23885_query_audinput(file, priv, i); +} + +static int vidioc_s_audinput(struct file *file, void *priv, + const struct v4l2_audio *i) +{ + struct cx23885_dev *dev = video_drvdata(file); + + if ((CX23885_VMUX_TELEVISION == INPUT(dev->input)->type) || + (CX23885_VMUX_CABLE == INPUT(dev->input)->type)) { + return i->index != 2 ? -EINVAL : 0; + } + if (i->index > 1) + return -EINVAL; + + dprintk(1, "%s(%d)\n", __func__, i->index); + + dev->audinput = i->index; + + /* Skip the audio defaults from the cards struct, caller wants + * directly touch the audio mux hardware. */ + cx23885_flatiron_mux(dev, dev->audinput + 1); + return 0; +} + +static int vidioc_g_tuner(struct file *file, void *priv, + struct v4l2_tuner *t) +{ + struct cx23885_dev *dev = video_drvdata(file); + + if (dev->tuner_type == TUNER_ABSENT) + return -EINVAL; + if (0 != t->index) + return -EINVAL; + + strcpy(t->name, "Television"); + + call_all(dev, tuner, g_tuner, t); + return 0; +} + +static int vidioc_s_tuner(struct file *file, void *priv, + const struct v4l2_tuner *t) +{ + struct cx23885_dev *dev = video_drvdata(file); + + if (dev->tuner_type == TUNER_ABSENT) + return -EINVAL; + if (0 != t->index) + return -EINVAL; + /* Update the A/V core */ + call_all(dev, tuner, s_tuner, t); + + return 0; +} + +static int vidioc_g_frequency(struct file *file, void *priv, + struct v4l2_frequency *f) +{ + struct cx23885_dev *dev = video_drvdata(file); + + if (dev->tuner_type == TUNER_ABSENT) + return -EINVAL; + + f->type = V4L2_TUNER_ANALOG_TV; + f->frequency = dev->freq; + + call_all(dev, tuner, g_frequency, f); + + return 0; +} + +static int cx23885_set_freq(struct cx23885_dev *dev, const struct v4l2_frequency *f) +{ + struct v4l2_ctrl *mute; + int old_mute_val = 1; + + if (dev->tuner_type == TUNER_ABSENT) + return -EINVAL; + if (unlikely(f->tuner != 0)) + return -EINVAL; + + dev->freq = f->frequency; + + /* I need to mute audio here */ + mute = v4l2_ctrl_find(&dev->ctrl_handler, V4L2_CID_AUDIO_MUTE); + if (mute) { + old_mute_val = v4l2_ctrl_g_ctrl(mute); + if (!old_mute_val) + v4l2_ctrl_s_ctrl(mute, 1); + } + + call_all(dev, tuner, s_frequency, f); + + /* When changing channels it is required to reset TVAUDIO */ + msleep(100); + + /* I need to unmute audio here */ + if (old_mute_val == 0) + v4l2_ctrl_s_ctrl(mute, old_mute_val); + + return 0; +} + +static int cx23885_set_freq_via_ops(struct cx23885_dev *dev, + const struct v4l2_frequency *f) +{ + struct v4l2_ctrl *mute; + int old_mute_val = 1; + struct vb2_dvb_frontend *vfe; + struct dvb_frontend *fe; + + struct analog_parameters params = { + .mode = V4L2_TUNER_ANALOG_TV, + .audmode = V4L2_TUNER_MODE_STEREO, + .std = dev->tvnorm, + .frequency = f->frequency + }; + + dev->freq = f->frequency; + + /* I need to mute audio here */ + mute = v4l2_ctrl_find(&dev->ctrl_handler, V4L2_CID_AUDIO_MUTE); + if (mute) { + old_mute_val = v4l2_ctrl_g_ctrl(mute); + if (!old_mute_val) + v4l2_ctrl_s_ctrl(mute, 1); + } + + /* If HVR1850 */ + dprintk(1, "%s() frequency=%d tuner=%d std=0x%llx\n", __func__, + params.frequency, f->tuner, params.std); + + vfe = vb2_dvb_get_frontend(&dev->ts2.frontends, 1); + if (!vfe) { + return -EINVAL; + } + + fe = vfe->dvb.frontend; + + if ((dev->board == CX23885_BOARD_HAUPPAUGE_HVR1850) || + (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255) || + (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255_22111) || + (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1265_K4)) + fe = &dev->ts1.analog_fe; + + if (fe && fe->ops.tuner_ops.set_analog_params) { + call_all(dev, video, s_std, dev->tvnorm); + fe->ops.tuner_ops.set_analog_params(fe, ¶ms); + } + else + pr_err("%s() No analog tuner, aborting\n", __func__); + + /* When changing channels it is required to reset TVAUDIO */ + msleep(100); + + /* I need to unmute audio here */ + if (old_mute_val == 0) + v4l2_ctrl_s_ctrl(mute, old_mute_val); + + return 0; +} + +int cx23885_set_frequency(struct file *file, void *priv, + const struct v4l2_frequency *f) +{ + struct cx23885_dev *dev = video_drvdata(file); + int ret; + + switch (dev->board) { + case CX23885_BOARD_HAUPPAUGE_HVR1255: + case CX23885_BOARD_HAUPPAUGE_HVR1255_22111: + case CX23885_BOARD_HAUPPAUGE_HVR1265_K4: + case CX23885_BOARD_HAUPPAUGE_HVR1850: + ret = cx23885_set_freq_via_ops(dev, f); + break; + default: + ret = cx23885_set_freq(dev, f); + } + + return ret; +} + +static int vidioc_s_frequency(struct file *file, void *priv, + const struct v4l2_frequency *f) +{ + return cx23885_set_frequency(file, priv, f); +} + +/* ----------------------------------------------------------- */ + +int cx23885_video_irq(struct cx23885_dev *dev, u32 status) +{ + u32 mask, count; + int handled = 0; + + mask = cx_read(VID_A_INT_MSK); + if (0 == (status & mask)) + return handled; + + cx_write(VID_A_INT_STAT, status); + + /* risc op code error, fifo overflow or line sync detection error */ + if ((status & VID_BC_MSK_OPC_ERR) || + (status & VID_BC_MSK_SYNC) || + (status & VID_BC_MSK_OF)) { + + if (status & VID_BC_MSK_OPC_ERR) { + dprintk(7, " (VID_BC_MSK_OPC_ERR 0x%08x)\n", + VID_BC_MSK_OPC_ERR); + pr_warn("%s: video risc op code error\n", + dev->name); + cx23885_sram_channel_dump(dev, + &dev->sram_channels[SRAM_CH01]); + } + + if (status & VID_BC_MSK_SYNC) + dprintk(7, " (VID_BC_MSK_SYNC 0x%08x) video lines miss-match\n", + VID_BC_MSK_SYNC); + + if (status & VID_BC_MSK_OF) + dprintk(7, " (VID_BC_MSK_OF 0x%08x) fifo overflow\n", + VID_BC_MSK_OF); + + } + + /* Video */ + if (status & VID_BC_MSK_RISCI1) { + spin_lock(&dev->slock); + count = cx_read(VID_A_GPCNT); + cx23885_video_wakeup(dev, &dev->vidq, count); + spin_unlock(&dev->slock); + handled++; + } + + /* Allow the VBI framework to process it's payload */ + handled += cx23885_vbi_irq(dev, status); + + return handled; +} + +/* ----------------------------------------------------------- */ +/* exported stuff */ + +static const struct v4l2_file_operations video_fops = { + .owner = THIS_MODULE, + .open = v4l2_fh_open, + .release = vb2_fop_release, + .read = vb2_fop_read, + .poll = vb2_fop_poll, + .unlocked_ioctl = video_ioctl2, + .mmap = vb2_fop_mmap, +}; + +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 = cx23885_vbi_fmt, + .vidioc_try_fmt_vbi_cap = cx23885_vbi_fmt, + .vidioc_s_fmt_vbi_cap = cx23885_vbi_fmt, + .vidioc_reqbufs = vb2_ioctl_reqbufs, + .vidioc_prepare_buf = vb2_ioctl_prepare_buf, + .vidioc_querybuf = vb2_ioctl_querybuf, + .vidioc_qbuf = vb2_ioctl_qbuf, + .vidioc_dqbuf = vb2_ioctl_dqbuf, + .vidioc_streamon = vb2_ioctl_streamon, + .vidioc_streamoff = vb2_ioctl_streamoff, + .vidioc_cropcap = vidioc_cropcap, + .vidioc_s_std = vidioc_s_std, + .vidioc_g_std = vidioc_g_std, + .vidioc_enum_input = vidioc_enum_input, + .vidioc_g_input = vidioc_g_input, + .vidioc_s_input = vidioc_s_input, + .vidioc_log_status = vidioc_log_status, + .vidioc_g_tuner = vidioc_g_tuner, + .vidioc_s_tuner = vidioc_s_tuner, + .vidioc_g_frequency = vidioc_g_frequency, + .vidioc_s_frequency = vidioc_s_frequency, +#ifdef CONFIG_VIDEO_ADV_DEBUG + .vidioc_g_chip_info = cx23885_g_chip_info, + .vidioc_g_register = cx23885_g_register, + .vidioc_s_register = cx23885_s_register, +#endif + .vidioc_enumaudio = vidioc_enum_audinput, + .vidioc_g_audio = vidioc_g_audinput, + .vidioc_s_audio = vidioc_s_audinput, + .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, + .vidioc_unsubscribe_event = v4l2_event_unsubscribe, +}; + +static struct video_device cx23885_vbi_template; +static struct video_device cx23885_video_template = { + .name = "cx23885-video", + .fops = &video_fops, + .ioctl_ops = &video_ioctl_ops, + .tvnorms = CX23885_NORMS, +}; + +void cx23885_video_unregister(struct cx23885_dev *dev) +{ + dprintk(1, "%s()\n", __func__); + cx23885_irq_remove(dev, 0x01); + + if (dev->vbi_dev) { + if (video_is_registered(dev->vbi_dev)) + video_unregister_device(dev->vbi_dev); + else + video_device_release(dev->vbi_dev); + dev->vbi_dev = NULL; + } + if (dev->video_dev) { + if (video_is_registered(dev->video_dev)) + video_unregister_device(dev->video_dev); + else + video_device_release(dev->video_dev); + dev->video_dev = NULL; + } + + if (dev->audio_dev) + cx23885_audio_unregister(dev); +} + +int cx23885_video_register(struct cx23885_dev *dev) +{ + struct vb2_queue *q; + int err; + + dprintk(1, "%s()\n", __func__); + + /* Initialize VBI template */ + cx23885_vbi_template = cx23885_video_template; + strcpy(cx23885_vbi_template.name, "cx23885-vbi"); + + dev->tvnorm = V4L2_STD_NTSC_M; + dev->fmt = format_by_fourcc(V4L2_PIX_FMT_YUYV); + dev->field = V4L2_FIELD_INTERLACED; + dev->width = 720; + dev->height = norm_maxh(dev->tvnorm); + + /* init video dma queues */ + INIT_LIST_HEAD(&dev->vidq.active); + + /* init vbi dma queues */ + INIT_LIST_HEAD(&dev->vbiq.active); + + cx23885_irq_add_enable(dev, 0x01); + + if ((TUNER_ABSENT != dev->tuner_type) && + ((dev->tuner_bus == 0) || (dev->tuner_bus == 1))) { + struct v4l2_subdev *sd = NULL; + + if (dev->tuner_addr) + sd = v4l2_i2c_new_subdev(&dev->v4l2_dev, + &dev->i2c_bus[dev->tuner_bus].i2c_adap, + "tuner", dev->tuner_addr, NULL); + else + sd = v4l2_i2c_new_subdev(&dev->v4l2_dev, + &dev->i2c_bus[dev->tuner_bus].i2c_adap, + "tuner", 0, v4l2_i2c_tuner_addrs(ADDRS_TV)); + if (sd) { + struct tuner_setup tun_setup; + + memset(&tun_setup, 0, sizeof(tun_setup)); + tun_setup.mode_mask = T_ANALOG_TV; + tun_setup.type = dev->tuner_type; + tun_setup.addr = v4l2_i2c_subdev_addr(sd); + tun_setup.tuner_callback = cx23885_tuner_callback; + + v4l2_subdev_call(sd, tuner, s_type_addr, &tun_setup); + + if ((dev->board == CX23885_BOARD_LEADTEK_WINFAST_PXTV1200) || + (dev->board == CX23885_BOARD_LEADTEK_WINFAST_PXPVR2200)) { + struct xc2028_ctrl ctrl = { + .fname = XC2028_DEFAULT_FIRMWARE, + .max_len = 64 + }; + struct v4l2_priv_tun_config cfg = { + .tuner = dev->tuner_type, + .priv = &ctrl + }; + v4l2_subdev_call(sd, tuner, s_config, &cfg); + } + + if (dev->board == CX23885_BOARD_AVERMEDIA_HC81R) { + struct xc2028_ctrl ctrl = { + .fname = "xc3028L-v36.fw", + .max_len = 64 + }; + struct v4l2_priv_tun_config cfg = { + .tuner = dev->tuner_type, + .priv = &ctrl + }; + v4l2_subdev_call(sd, tuner, s_config, &cfg); + } + } + } + + /* initial device configuration */ + mutex_lock(&dev->lock); + cx23885_set_tvnorm(dev, dev->tvnorm); + cx23885_video_mux(dev, 0); + cx23885_audio_mux(dev, 0); + mutex_unlock(&dev->lock); + + q = &dev->vb2_vidq; + q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ; + q->gfp_flags = GFP_DMA32; + q->min_buffers_needed = 2; + q->drv_priv = dev; + q->buf_struct_size = sizeof(struct cx23885_buffer); + q->ops = &cx23885_video_qops; + q->mem_ops = &vb2_dma_sg_memops; + q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; + q->lock = &dev->lock; + q->dev = &dev->pci->dev; + + err = vb2_queue_init(q); + if (err < 0) + goto fail_unreg; + + q = &dev->vb2_vbiq; + q->type = V4L2_BUF_TYPE_VBI_CAPTURE; + q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ; + q->gfp_flags = GFP_DMA32; + q->min_buffers_needed = 2; + q->drv_priv = dev; + q->buf_struct_size = sizeof(struct cx23885_buffer); + q->ops = &cx23885_vbi_qops; + q->mem_ops = &vb2_dma_sg_memops; + q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; + q->lock = &dev->lock; + q->dev = &dev->pci->dev; + + err = vb2_queue_init(q); + if (err < 0) + goto fail_unreg; + + /* register Video device */ + dev->video_dev = cx23885_vdev_init(dev, dev->pci, + &cx23885_video_template, "video"); + dev->video_dev->queue = &dev->vb2_vidq; + err = video_register_device(dev->video_dev, VFL_TYPE_GRABBER, + video_nr[dev->nr]); + if (err < 0) { + pr_info("%s: can't register video device\n", + dev->name); + goto fail_unreg; + } + pr_info("%s: registered device %s [v4l2]\n", + dev->name, video_device_node_name(dev->video_dev)); + + /* register VBI device */ + dev->vbi_dev = cx23885_vdev_init(dev, dev->pci, + &cx23885_vbi_template, "vbi"); + dev->vbi_dev->queue = &dev->vb2_vbiq; + err = video_register_device(dev->vbi_dev, VFL_TYPE_VBI, + vbi_nr[dev->nr]); + if (err < 0) { + pr_info("%s: can't register vbi device\n", + dev->name); + goto fail_unreg; + } + pr_info("%s: registered device %s\n", + dev->name, video_device_node_name(dev->vbi_dev)); + + /* Register ALSA audio device */ + dev->audio_dev = cx23885_audio_register(dev); + + return 0; + +fail_unreg: + cx23885_video_unregister(dev); + return err; +} |