diff options
Diffstat (limited to 'drivers/media/pci/saa7134/saa7134-video.c')
| -rw-r--r-- | drivers/media/pci/saa7134/saa7134-video.c | 1864 |
1 files changed, 1864 insertions, 0 deletions
diff --git a/drivers/media/pci/saa7134/saa7134-video.c b/drivers/media/pci/saa7134/saa7134-video.c new file mode 100644 index 0000000000..56b4481a40 --- /dev/null +++ b/drivers/media/pci/saa7134/saa7134-video.c @@ -0,0 +1,1864 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * + * device driver for philips saa7134 based TV cards + * video4linux video interface + * + * (c) 2001-03 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs] + */ + +#include "saa7134.h" +#include "saa7134-reg.h" + +#include <linux/init.h> +#include <linux/list.h> +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/slab.h> +#include <linux/sort.h> + +#include <media/v4l2-common.h> +#include <media/v4l2-event.h> +#include <media/i2c/saa6588.h> + +/* ------------------------------------------------------------------ */ + +unsigned int video_debug; +static unsigned int gbuffers = 8; +static unsigned int noninterlaced; /* 0 */ +static unsigned int gbufsize = 720*576*4; +static unsigned int gbufsize_max = 720*576*4; +static char secam[] = "--"; +module_param(video_debug, int, 0644); +MODULE_PARM_DESC(video_debug,"enable debug messages [video]"); +module_param(gbuffers, int, 0444); +MODULE_PARM_DESC(gbuffers,"number of capture buffers, range 2-32"); +module_param(noninterlaced, int, 0644); +MODULE_PARM_DESC(noninterlaced,"capture non interlaced video"); +module_param_string(secam, secam, sizeof(secam), 0644); +MODULE_PARM_DESC(secam, "force SECAM variant, either DK,L or Lc"); + + +#define video_dbg(fmt, arg...) do { \ + if (video_debug & 0x04) \ + printk(KERN_DEBUG pr_fmt("video: " fmt), ## arg); \ + } while (0) + +/* ------------------------------------------------------------------ */ +/* Defines for Video Output Port Register at address 0x191 */ + +/* Bit 0: VIP code T bit polarity */ + +#define VP_T_CODE_P_NON_INVERTED 0x00 +#define VP_T_CODE_P_INVERTED 0x01 + +/* ------------------------------------------------------------------ */ +/* Defines for Video Output Port Register at address 0x195 */ + +/* Bit 2: Video output clock delay control */ + +#define VP_CLK_CTRL2_NOT_DELAYED 0x00 +#define VP_CLK_CTRL2_DELAYED 0x04 + +/* Bit 1: Video output clock invert control */ + +#define VP_CLK_CTRL1_NON_INVERTED 0x00 +#define VP_CLK_CTRL1_INVERTED 0x02 + +/* ------------------------------------------------------------------ */ +/* Defines for Video Output Port Register at address 0x196 */ + +/* Bits 2 to 0: VSYNC pin video vertical sync type */ + +#define VP_VS_TYPE_MASK 0x07 + +#define VP_VS_TYPE_OFF 0x00 +#define VP_VS_TYPE_V123 0x01 +#define VP_VS_TYPE_V_ITU 0x02 +#define VP_VS_TYPE_VGATE_L 0x03 +#define VP_VS_TYPE_RESERVED1 0x04 +#define VP_VS_TYPE_RESERVED2 0x05 +#define VP_VS_TYPE_F_ITU 0x06 +#define VP_VS_TYPE_SC_FID 0x07 + +/* ------------------------------------------------------------------ */ +/* data structs for video */ + +static int video_out[][9] = { + [CCIR656] = { 0x00, 0xb1, 0x00, 0xa1, 0x00, 0x04, 0x06, 0x00, 0x00 }, +}; + +static struct saa7134_format formats[] = { + { + .fourcc = V4L2_PIX_FMT_GREY, + .depth = 8, + .pm = 0x06, + },{ + .fourcc = V4L2_PIX_FMT_RGB555, + .depth = 16, + .pm = 0x13 | 0x80, + },{ + .fourcc = V4L2_PIX_FMT_RGB555X, + .depth = 16, + .pm = 0x13 | 0x80, + .bswap = 1, + },{ + .fourcc = V4L2_PIX_FMT_RGB565, + .depth = 16, + .pm = 0x10 | 0x80, + },{ + .fourcc = V4L2_PIX_FMT_RGB565X, + .depth = 16, + .pm = 0x10 | 0x80, + .bswap = 1, + },{ + .fourcc = V4L2_PIX_FMT_BGR24, + .depth = 24, + .pm = 0x11, + },{ + .fourcc = V4L2_PIX_FMT_RGB24, + .depth = 24, + .pm = 0x11, + .bswap = 1, + },{ + .fourcc = V4L2_PIX_FMT_BGR32, + .depth = 32, + .pm = 0x12, + },{ + .fourcc = V4L2_PIX_FMT_RGB32, + .depth = 32, + .pm = 0x12, + .bswap = 1, + .wswap = 1, + },{ + .fourcc = V4L2_PIX_FMT_YUYV, + .depth = 16, + .pm = 0x00, + .bswap = 1, + .yuv = 1, + },{ + .fourcc = V4L2_PIX_FMT_UYVY, + .depth = 16, + .pm = 0x00, + .yuv = 1, + },{ + .fourcc = V4L2_PIX_FMT_YUV422P, + .depth = 16, + .pm = 0x09, + .yuv = 1, + .planar = 1, + .hshift = 1, + .vshift = 0, + },{ + .fourcc = V4L2_PIX_FMT_YUV420, + .depth = 12, + .pm = 0x0a, + .yuv = 1, + .planar = 1, + .hshift = 1, + .vshift = 1, + },{ + .fourcc = V4L2_PIX_FMT_YVU420, + .depth = 12, + .pm = 0x0a, + .yuv = 1, + .planar = 1, + .uvswap = 1, + .hshift = 1, + .vshift = 1, + } +}; +#define FORMATS ARRAY_SIZE(formats) + +#define NORM_625_50 \ + .h_start = 0, \ + .h_stop = 719, \ + .video_v_start = 24, \ + .video_v_stop = 311, \ + .vbi_v_start_0 = 7, \ + .vbi_v_stop_0 = 23, \ + .vbi_v_start_1 = 319, \ + .src_timing = 4 + +#define NORM_525_60 \ + .h_start = 0, \ + .h_stop = 719, \ + .video_v_start = 23, \ + .video_v_stop = 262, \ + .vbi_v_start_0 = 10, \ + .vbi_v_stop_0 = 21, \ + .vbi_v_start_1 = 273, \ + .src_timing = 7 + +static struct saa7134_tvnorm tvnorms[] = { + { + .name = "PAL", /* autodetect */ + .id = V4L2_STD_PAL, + NORM_625_50, + + .sync_control = 0x18, + .luma_control = 0x40, + .chroma_ctrl1 = 0x81, + .chroma_gain = 0x2a, + .chroma_ctrl2 = 0x06, + .vgate_misc = 0x1c, + + },{ + .name = "PAL-BG", + .id = V4L2_STD_PAL_BG, + NORM_625_50, + + .sync_control = 0x18, + .luma_control = 0x40, + .chroma_ctrl1 = 0x81, + .chroma_gain = 0x2a, + .chroma_ctrl2 = 0x06, + .vgate_misc = 0x1c, + + },{ + .name = "PAL-I", + .id = V4L2_STD_PAL_I, + NORM_625_50, + + .sync_control = 0x18, + .luma_control = 0x40, + .chroma_ctrl1 = 0x81, + .chroma_gain = 0x2a, + .chroma_ctrl2 = 0x06, + .vgate_misc = 0x1c, + + },{ + .name = "PAL-DK", + .id = V4L2_STD_PAL_DK, + NORM_625_50, + + .sync_control = 0x18, + .luma_control = 0x40, + .chroma_ctrl1 = 0x81, + .chroma_gain = 0x2a, + .chroma_ctrl2 = 0x06, + .vgate_misc = 0x1c, + + },{ + .name = "NTSC", + .id = V4L2_STD_NTSC, + NORM_525_60, + + .sync_control = 0x59, + .luma_control = 0x40, + .chroma_ctrl1 = 0x89, + .chroma_gain = 0x2a, + .chroma_ctrl2 = 0x0e, + .vgate_misc = 0x18, + + },{ + .name = "SECAM", + .id = V4L2_STD_SECAM, + NORM_625_50, + + .sync_control = 0x18, + .luma_control = 0x1b, + .chroma_ctrl1 = 0xd1, + .chroma_gain = 0x80, + .chroma_ctrl2 = 0x00, + .vgate_misc = 0x1c, + + },{ + .name = "SECAM-DK", + .id = V4L2_STD_SECAM_DK, + NORM_625_50, + + .sync_control = 0x18, + .luma_control = 0x1b, + .chroma_ctrl1 = 0xd1, + .chroma_gain = 0x80, + .chroma_ctrl2 = 0x00, + .vgate_misc = 0x1c, + + },{ + .name = "SECAM-L", + .id = V4L2_STD_SECAM_L, + NORM_625_50, + + .sync_control = 0x18, + .luma_control = 0x1b, + .chroma_ctrl1 = 0xd1, + .chroma_gain = 0x80, + .chroma_ctrl2 = 0x00, + .vgate_misc = 0x1c, + + },{ + .name = "SECAM-Lc", + .id = V4L2_STD_SECAM_LC, + NORM_625_50, + + .sync_control = 0x18, + .luma_control = 0x1b, + .chroma_ctrl1 = 0xd1, + .chroma_gain = 0x80, + .chroma_ctrl2 = 0x00, + .vgate_misc = 0x1c, + + },{ + .name = "PAL-M", + .id = V4L2_STD_PAL_M, + NORM_525_60, + + .sync_control = 0x59, + .luma_control = 0x40, + .chroma_ctrl1 = 0xb9, + .chroma_gain = 0x2a, + .chroma_ctrl2 = 0x0e, + .vgate_misc = 0x18, + + },{ + .name = "PAL-Nc", + .id = V4L2_STD_PAL_Nc, + NORM_625_50, + + .sync_control = 0x18, + .luma_control = 0x40, + .chroma_ctrl1 = 0xa1, + .chroma_gain = 0x2a, + .chroma_ctrl2 = 0x06, + .vgate_misc = 0x1c, + + },{ + .name = "PAL-60", + .id = V4L2_STD_PAL_60, + + .h_start = 0, + .h_stop = 719, + .video_v_start = 23, + .video_v_stop = 262, + .vbi_v_start_0 = 10, + .vbi_v_stop_0 = 21, + .vbi_v_start_1 = 273, + .src_timing = 7, + + .sync_control = 0x18, + .luma_control = 0x40, + .chroma_ctrl1 = 0x81, + .chroma_gain = 0x2a, + .chroma_ctrl2 = 0x06, + .vgate_misc = 0x1c, + } +}; +#define TVNORMS ARRAY_SIZE(tvnorms) + +static struct saa7134_format* format_by_fourcc(unsigned int fourcc) +{ + unsigned int i; + + for (i = 0; i < FORMATS; i++) + if (formats[i].fourcc == fourcc) + return formats+i; + return NULL; +} + +/* ------------------------------------------------------------------ */ + +static void set_tvnorm(struct saa7134_dev *dev, struct saa7134_tvnorm *norm) +{ + video_dbg("set tv norm = %s\n", norm->name); + dev->tvnorm = norm; + + /* setup cropping */ + dev->crop_bounds.left = norm->h_start; + dev->crop_defrect.left = norm->h_start; + dev->crop_bounds.width = norm->h_stop - norm->h_start +1; + dev->crop_defrect.width = norm->h_stop - norm->h_start +1; + + dev->crop_bounds.top = (norm->vbi_v_stop_0+1)*2; + dev->crop_defrect.top = norm->video_v_start*2; + dev->crop_bounds.height = ((norm->id & V4L2_STD_525_60) ? 524 : 624) + - dev->crop_bounds.top; + dev->crop_defrect.height = (norm->video_v_stop - norm->video_v_start +1)*2; + + dev->crop_current = dev->crop_defrect; + + saa7134_set_tvnorm_hw(dev); +} + +static void video_mux(struct saa7134_dev *dev, int input) +{ + video_dbg("video input = %d [%s]\n", + input, saa7134_input_name[card_in(dev, input).type]); + dev->ctl_input = input; + set_tvnorm(dev, dev->tvnorm); + saa7134_tvaudio_setinput(dev, &card_in(dev, input)); +} + + +static void saa7134_set_decoder(struct saa7134_dev *dev) +{ + int luma_control, sync_control, chroma_ctrl1, mux; + + struct saa7134_tvnorm *norm = dev->tvnorm; + mux = card_in(dev, dev->ctl_input).vmux; + + luma_control = norm->luma_control; + sync_control = norm->sync_control; + chroma_ctrl1 = norm->chroma_ctrl1; + + if (mux > 5) + luma_control |= 0x80; /* svideo */ + if (noninterlaced || dev->nosignal) + sync_control |= 0x20; + + /* switch on auto standard detection */ + sync_control |= SAA7134_SYNC_CTRL_AUFD; + chroma_ctrl1 |= SAA7134_CHROMA_CTRL1_AUTO0; + chroma_ctrl1 &= ~SAA7134_CHROMA_CTRL1_FCTC; + luma_control &= ~SAA7134_LUMA_CTRL_LDEL; + + /* setup video decoder */ + saa_writeb(SAA7134_INCR_DELAY, 0x08); + saa_writeb(SAA7134_ANALOG_IN_CTRL1, 0xc0 | mux); + saa_writeb(SAA7134_ANALOG_IN_CTRL2, 0x00); + + saa_writeb(SAA7134_ANALOG_IN_CTRL3, 0x90); + saa_writeb(SAA7134_ANALOG_IN_CTRL4, 0x90); + saa_writeb(SAA7134_HSYNC_START, 0xeb); + saa_writeb(SAA7134_HSYNC_STOP, 0xe0); + saa_writeb(SAA7134_SOURCE_TIMING1, norm->src_timing); + + saa_writeb(SAA7134_SYNC_CTRL, sync_control); + saa_writeb(SAA7134_LUMA_CTRL, luma_control); + saa_writeb(SAA7134_DEC_LUMA_BRIGHT, dev->ctl_bright); + + saa_writeb(SAA7134_DEC_LUMA_CONTRAST, + dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast); + + saa_writeb(SAA7134_DEC_CHROMA_SATURATION, + dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation); + + saa_writeb(SAA7134_DEC_CHROMA_HUE, dev->ctl_hue); + saa_writeb(SAA7134_CHROMA_CTRL1, chroma_ctrl1); + saa_writeb(SAA7134_CHROMA_GAIN, norm->chroma_gain); + + saa_writeb(SAA7134_CHROMA_CTRL2, norm->chroma_ctrl2); + saa_writeb(SAA7134_MODE_DELAY_CTRL, 0x00); + + saa_writeb(SAA7134_ANALOG_ADC, 0x01); + saa_writeb(SAA7134_VGATE_START, 0x11); + saa_writeb(SAA7134_VGATE_STOP, 0xfe); + saa_writeb(SAA7134_MISC_VGATE_MSB, norm->vgate_misc); + saa_writeb(SAA7134_RAW_DATA_GAIN, 0x40); + saa_writeb(SAA7134_RAW_DATA_OFFSET, 0x80); +} + +void saa7134_set_tvnorm_hw(struct saa7134_dev *dev) +{ + saa7134_set_decoder(dev); + + saa_call_all(dev, video, s_std, dev->tvnorm->id); + /* Set the correct norm for the saa6752hs. This function + does nothing if there is no saa6752hs. */ + saa_call_empress(dev, video, s_std, dev->tvnorm->id); +} + +static void set_h_prescale(struct saa7134_dev *dev, int task, int prescale) +{ + static const struct { + int xpsc; + int xacl; + int xc2_1; + int xdcg; + int vpfy; + } vals[] = { + /* XPSC XACL XC2_1 XDCG VPFY */ + { 1, 0, 0, 0, 0 }, + { 2, 2, 1, 2, 2 }, + { 3, 4, 1, 3, 2 }, + { 4, 8, 1, 4, 2 }, + { 5, 8, 1, 4, 2 }, + { 6, 8, 1, 4, 3 }, + { 7, 8, 1, 4, 3 }, + { 8, 15, 0, 4, 3 }, + { 9, 15, 0, 4, 3 }, + { 10, 16, 1, 5, 3 }, + }; + static const int count = ARRAY_SIZE(vals); + int i; + + for (i = 0; i < count; i++) + if (vals[i].xpsc == prescale) + break; + if (i == count) + return; + + saa_writeb(SAA7134_H_PRESCALE(task), vals[i].xpsc); + saa_writeb(SAA7134_ACC_LENGTH(task), vals[i].xacl); + saa_writeb(SAA7134_LEVEL_CTRL(task), + (vals[i].xc2_1 << 3) | (vals[i].xdcg)); + saa_andorb(SAA7134_FIR_PREFILTER_CTRL(task), 0x0f, + (vals[i].vpfy << 2) | vals[i].vpfy); +} + +static void set_v_scale(struct saa7134_dev *dev, int task, int yscale) +{ + int val,mirror; + + saa_writeb(SAA7134_V_SCALE_RATIO1(task), yscale & 0xff); + saa_writeb(SAA7134_V_SCALE_RATIO2(task), yscale >> 8); + + mirror = (dev->ctl_mirror) ? 0x02 : 0x00; + if (yscale < 2048) { + /* LPI */ + video_dbg("yscale LPI yscale=%d\n", yscale); + saa_writeb(SAA7134_V_FILTER(task), 0x00 | mirror); + saa_writeb(SAA7134_LUMA_CONTRAST(task), 0x40); + saa_writeb(SAA7134_CHROMA_SATURATION(task), 0x40); + } else { + /* ACM */ + val = 0x40 * 1024 / yscale; + video_dbg("yscale ACM yscale=%d val=0x%x\n", yscale, val); + saa_writeb(SAA7134_V_FILTER(task), 0x01 | mirror); + saa_writeb(SAA7134_LUMA_CONTRAST(task), val); + saa_writeb(SAA7134_CHROMA_SATURATION(task), val); + } + saa_writeb(SAA7134_LUMA_BRIGHT(task), 0x80); +} + +static void set_size(struct saa7134_dev *dev, int task, + int width, int height, int interlace) +{ + int prescale,xscale,yscale,y_even,y_odd; + int h_start, h_stop, v_start, v_stop; + int div = interlace ? 2 : 1; + + /* setup video scaler */ + h_start = dev->crop_current.left; + v_start = dev->crop_current.top/2; + h_stop = (dev->crop_current.left + dev->crop_current.width -1); + v_stop = (dev->crop_current.top + dev->crop_current.height -1)/2; + + saa_writeb(SAA7134_VIDEO_H_START1(task), h_start & 0xff); + saa_writeb(SAA7134_VIDEO_H_START2(task), h_start >> 8); + saa_writeb(SAA7134_VIDEO_H_STOP1(task), h_stop & 0xff); + saa_writeb(SAA7134_VIDEO_H_STOP2(task), h_stop >> 8); + saa_writeb(SAA7134_VIDEO_V_START1(task), v_start & 0xff); + saa_writeb(SAA7134_VIDEO_V_START2(task), v_start >> 8); + saa_writeb(SAA7134_VIDEO_V_STOP1(task), v_stop & 0xff); + saa_writeb(SAA7134_VIDEO_V_STOP2(task), v_stop >> 8); + + prescale = dev->crop_current.width / width; + if (0 == prescale) + prescale = 1; + xscale = 1024 * dev->crop_current.width / prescale / width; + yscale = 512 * div * dev->crop_current.height / height; + video_dbg("prescale=%d xscale=%d yscale=%d\n", + prescale, xscale, yscale); + set_h_prescale(dev,task,prescale); + saa_writeb(SAA7134_H_SCALE_INC1(task), xscale & 0xff); + saa_writeb(SAA7134_H_SCALE_INC2(task), xscale >> 8); + set_v_scale(dev,task,yscale); + + saa_writeb(SAA7134_VIDEO_PIXELS1(task), width & 0xff); + saa_writeb(SAA7134_VIDEO_PIXELS2(task), width >> 8); + saa_writeb(SAA7134_VIDEO_LINES1(task), height/div & 0xff); + saa_writeb(SAA7134_VIDEO_LINES2(task), height/div >> 8); + + /* deinterlace y offsets */ + y_odd = dev->ctl_y_odd; + y_even = dev->ctl_y_even; + saa_writeb(SAA7134_V_PHASE_OFFSET0(task), y_odd); + saa_writeb(SAA7134_V_PHASE_OFFSET1(task), y_even); + saa_writeb(SAA7134_V_PHASE_OFFSET2(task), y_odd); + saa_writeb(SAA7134_V_PHASE_OFFSET3(task), y_even); +} + +/* ------------------------------------------------------------------ */ + +/* + * Media Controller helper functions + */ + +static int saa7134_enable_analog_tuner(struct saa7134_dev *dev) +{ +#ifdef CONFIG_MEDIA_CONTROLLER + struct media_device *mdev = dev->media_dev; + struct media_entity *source; + struct media_link *link, *found_link = NULL; + int ret, active_links = 0; + + if (!mdev || !dev->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, &dev->decoder->links, list) { + if (link->sink->entity == dev->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 == dev->decoder) + flags = MEDIA_LNK_FL_ENABLED; + + ret = media_entity_setup_link(link, flags); + if (ret) { + pr_err("Couldn't change link %s->%s to %s. Error %d\n", + source->name, sink->name, + flags ? "enabled" : "disabled", + ret); + return ret; + } + } +#endif + return 0; +} + +/* ------------------------------------------------------------------ */ + +static int buffer_activate(struct saa7134_dev *dev, + struct saa7134_buf *buf, + struct saa7134_buf *next) +{ + struct saa7134_dmaqueue *dmaq = buf->vb2.vb2_buf.vb2_queue->drv_priv; + unsigned long base,control,bpl; + unsigned long bpl_uv, lines_uv, base2, base3; /* planar */ + + video_dbg("buffer_activate buf=%p\n", buf); + buf->top_seen = 0; + + set_size(dev, TASK_A, dev->width, dev->height, + V4L2_FIELD_HAS_BOTH(dev->field)); + if (dev->fmt->yuv) + saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x03); + else + saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x01); + saa_writeb(SAA7134_OFMT_VIDEO_A, dev->fmt->pm); + + /* DMA: setup channel 0 (= Video Task A0) */ + base = saa7134_buffer_base(buf); + if (dev->fmt->planar) + bpl = dev->width; + else + bpl = (dev->width * dev->fmt->depth) / 8; + control = SAA7134_RS_CONTROL_BURST_16 | + SAA7134_RS_CONTROL_ME | + (dmaq->pt.dma >> 12); + if (dev->fmt->bswap) + control |= SAA7134_RS_CONTROL_BSWAP; + if (dev->fmt->wswap) + control |= SAA7134_RS_CONTROL_WSWAP; + if (V4L2_FIELD_HAS_BOTH(dev->field)) { + /* interlaced */ + saa_writel(SAA7134_RS_BA1(0),base); + saa_writel(SAA7134_RS_BA2(0),base+bpl); + saa_writel(SAA7134_RS_PITCH(0),bpl*2); + } else { + /* non-interlaced */ + saa_writel(SAA7134_RS_BA1(0),base); + saa_writel(SAA7134_RS_BA2(0),base); + saa_writel(SAA7134_RS_PITCH(0),bpl); + } + saa_writel(SAA7134_RS_CONTROL(0),control); + + if (dev->fmt->planar) { + /* DMA: setup channel 4+5 (= planar task A) */ + bpl_uv = bpl >> dev->fmt->hshift; + lines_uv = dev->height >> dev->fmt->vshift; + base2 = base + bpl * dev->height; + base3 = base2 + bpl_uv * lines_uv; + if (dev->fmt->uvswap) + swap(base2, base3); + video_dbg("uv: bpl=%ld lines=%ld base2/3=%ld/%ld\n", + bpl_uv,lines_uv,base2,base3); + if (V4L2_FIELD_HAS_BOTH(dev->field)) { + /* interlaced */ + saa_writel(SAA7134_RS_BA1(4),base2); + saa_writel(SAA7134_RS_BA2(4),base2+bpl_uv); + saa_writel(SAA7134_RS_PITCH(4),bpl_uv*2); + saa_writel(SAA7134_RS_BA1(5),base3); + saa_writel(SAA7134_RS_BA2(5),base3+bpl_uv); + saa_writel(SAA7134_RS_PITCH(5),bpl_uv*2); + } else { + /* non-interlaced */ + saa_writel(SAA7134_RS_BA1(4),base2); + saa_writel(SAA7134_RS_BA2(4),base2); + saa_writel(SAA7134_RS_PITCH(4),bpl_uv); + saa_writel(SAA7134_RS_BA1(5),base3); + saa_writel(SAA7134_RS_BA2(5),base3); + saa_writel(SAA7134_RS_PITCH(5),bpl_uv); + } + saa_writel(SAA7134_RS_CONTROL(4),control); + saa_writel(SAA7134_RS_CONTROL(5),control); + } + + /* start DMA */ + saa7134_set_dmabits(dev); + mod_timer(&dmaq->timeout, jiffies + BUFFER_TIMEOUT); + return 0; +} + +static int buffer_init(struct vb2_buffer *vb2) +{ + struct saa7134_dmaqueue *dmaq = vb2->vb2_queue->drv_priv; + struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb2); + struct saa7134_buf *buf = container_of(vbuf, struct saa7134_buf, vb2); + + dmaq->curr = NULL; + buf->activate = buffer_activate; + return 0; +} + +static int buffer_prepare(struct vb2_buffer *vb2) +{ + struct saa7134_dmaqueue *dmaq = vb2->vb2_queue->drv_priv; + struct saa7134_dev *dev = dmaq->dev; + struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb2); + struct saa7134_buf *buf = container_of(vbuf, struct saa7134_buf, vb2); + struct sg_table *dma = vb2_dma_sg_plane_desc(vb2, 0); + unsigned int size; + + if (dma->sgl->offset) { + pr_err("The buffer is not page-aligned\n"); + return -EINVAL; + } + size = (dev->width * dev->height * dev->fmt->depth) >> 3; + if (vb2_plane_size(vb2, 0) < size) + return -EINVAL; + + vb2_set_plane_payload(vb2, 0, size); + vbuf->field = dev->field; + + return saa7134_pgtable_build(dev->pci, &dmaq->pt, dma->sgl, dma->nents, + saa7134_buffer_startpage(buf)); +} + +static int queue_setup(struct vb2_queue *q, + unsigned int *nbuffers, unsigned int *nplanes, + unsigned int sizes[], struct device *alloc_devs[]) +{ + struct saa7134_dmaqueue *dmaq = q->drv_priv; + struct saa7134_dev *dev = dmaq->dev; + int size = dev->fmt->depth * dev->width * dev->height >> 3; + + if (dev->width < 48 || + dev->height < 32 || + dev->width/4 > dev->crop_current.width || + dev->height/4 > dev->crop_current.height || + dev->width > dev->crop_bounds.width || + dev->height > dev->crop_bounds.height) + return -EINVAL; + + *nbuffers = saa7134_buffer_count(size, *nbuffers); + *nplanes = 1; + sizes[0] = size; + + saa7134_enable_analog_tuner(dev); + + return 0; +} + +/* + * move buffer to hardware queue + */ +void saa7134_vb2_buffer_queue(struct vb2_buffer *vb) +{ + struct saa7134_dmaqueue *dmaq = vb->vb2_queue->drv_priv; + struct saa7134_dev *dev = dmaq->dev; + struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); + struct saa7134_buf *buf = container_of(vbuf, struct saa7134_buf, vb2); + + saa7134_buffer_queue(dev, dmaq, buf); +} +EXPORT_SYMBOL_GPL(saa7134_vb2_buffer_queue); + +int saa7134_vb2_start_streaming(struct vb2_queue *vq, unsigned int count) +{ + struct saa7134_dmaqueue *dmaq = vq->drv_priv; + struct saa7134_dev *dev = dmaq->dev; + + /* + * Planar video capture and TS share the same DMA channel, + * so only one can be active at a time. + */ + if (card_is_empress(dev) && vb2_is_busy(&dev->empress_vbq) && + dmaq == &dev->video_q && dev->fmt->planar) { + struct saa7134_buf *buf, *tmp; + + list_for_each_entry_safe(buf, tmp, &dmaq->queue, entry) { + list_del(&buf->entry); + vb2_buffer_done(&buf->vb2.vb2_buf, + VB2_BUF_STATE_QUEUED); + } + if (dmaq->curr) { + vb2_buffer_done(&dmaq->curr->vb2.vb2_buf, + VB2_BUF_STATE_QUEUED); + dmaq->curr = NULL; + } + return -EBUSY; + } + + /* The SAA7134 has a 1K FIFO; the datasheet suggests that when + * configured conservatively, there's 22 usec of buffering for video. + * We therefore request a DMA latency of 20 usec, giving us 2 usec of + * margin in case the FIFO is configured differently to the datasheet. + * Unfortunately, I lack register-level documentation to check the + * Linux FIFO setup and confirm the perfect value. + */ + if ((dmaq == &dev->video_q && !vb2_is_streaming(&dev->vbi_vbq)) || + (dmaq == &dev->vbi_q && !vb2_is_streaming(&dev->video_vbq))) + cpu_latency_qos_add_request(&dev->qos_request, 20); + dmaq->seq_nr = 0; + + return 0; +} + +void saa7134_vb2_stop_streaming(struct vb2_queue *vq) +{ + struct saa7134_dmaqueue *dmaq = vq->drv_priv; + struct saa7134_dev *dev = dmaq->dev; + + saa7134_stop_streaming(dev, dmaq); + + if ((dmaq == &dev->video_q && !vb2_is_streaming(&dev->vbi_vbq)) || + (dmaq == &dev->vbi_q && !vb2_is_streaming(&dev->video_vbq))) + cpu_latency_qos_remove_request(&dev->qos_request); +} + +static const struct vb2_ops vb2_qops = { + .queue_setup = queue_setup, + .buf_init = buffer_init, + .buf_prepare = buffer_prepare, + .buf_queue = saa7134_vb2_buffer_queue, + .wait_prepare = vb2_ops_wait_prepare, + .wait_finish = vb2_ops_wait_finish, + .start_streaming = saa7134_vb2_start_streaming, + .stop_streaming = saa7134_vb2_stop_streaming, +}; + +/* ------------------------------------------------------------------ */ + +static int saa7134_s_ctrl(struct v4l2_ctrl *ctrl) +{ + struct saa7134_dev *dev = container_of(ctrl->handler, struct saa7134_dev, ctrl_handler); + + switch (ctrl->id) { + case V4L2_CID_BRIGHTNESS: + dev->ctl_bright = ctrl->val; + saa_writeb(SAA7134_DEC_LUMA_BRIGHT, ctrl->val); + break; + case V4L2_CID_HUE: + dev->ctl_hue = ctrl->val; + saa_writeb(SAA7134_DEC_CHROMA_HUE, ctrl->val); + break; + case V4L2_CID_CONTRAST: + dev->ctl_contrast = ctrl->val; + saa_writeb(SAA7134_DEC_LUMA_CONTRAST, + dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast); + break; + case V4L2_CID_SATURATION: + dev->ctl_saturation = ctrl->val; + saa_writeb(SAA7134_DEC_CHROMA_SATURATION, + dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation); + break; + case V4L2_CID_AUDIO_MUTE: + dev->ctl_mute = ctrl->val; + saa7134_tvaudio_setmute(dev); + break; + case V4L2_CID_AUDIO_VOLUME: + dev->ctl_volume = ctrl->val; + saa7134_tvaudio_setvolume(dev,dev->ctl_volume); + break; + case V4L2_CID_PRIVATE_INVERT: + dev->ctl_invert = ctrl->val; + saa_writeb(SAA7134_DEC_LUMA_CONTRAST, + dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast); + saa_writeb(SAA7134_DEC_CHROMA_SATURATION, + dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation); + break; + case V4L2_CID_HFLIP: + dev->ctl_mirror = ctrl->val; + break; + case V4L2_CID_PRIVATE_Y_EVEN: + dev->ctl_y_even = ctrl->val; + break; + case V4L2_CID_PRIVATE_Y_ODD: + dev->ctl_y_odd = ctrl->val; + break; + case V4L2_CID_PRIVATE_AUTOMUTE: + { + struct v4l2_priv_tun_config tda9887_cfg; + + tda9887_cfg.tuner = TUNER_TDA9887; + tda9887_cfg.priv = &dev->tda9887_conf; + + dev->ctl_automute = ctrl->val; + if (dev->tda9887_conf) { + if (dev->ctl_automute) + dev->tda9887_conf |= TDA9887_AUTOMUTE; + else + dev->tda9887_conf &= ~TDA9887_AUTOMUTE; + + saa_call_all(dev, tuner, s_config, &tda9887_cfg); + } + break; + } + default: + return -EINVAL; + } + return 0; +} + +/* ------------------------------------------------------------------ */ + +static int video_open(struct file *file) +{ + struct video_device *vdev = video_devdata(file); + struct saa7134_dev *dev = video_drvdata(file); + int ret = v4l2_fh_open(file); + + if (ret < 0) + return ret; + + mutex_lock(&dev->lock); + if (vdev->vfl_type == VFL_TYPE_RADIO) { + /* switch to radio mode */ + saa7134_tvaudio_setinput(dev, &card(dev).radio); + saa_call_all(dev, tuner, s_radio); + } else { + /* switch to video/vbi mode */ + video_mux(dev, dev->ctl_input); + } + mutex_unlock(&dev->lock); + + return 0; +} + +static int video_release(struct file *file) +{ + struct video_device *vdev = video_devdata(file); + struct saa7134_dev *dev = video_drvdata(file); + struct saa6588_command cmd; + + mutex_lock(&dev->lock); + saa7134_tvaudio_close(dev); + + if (vdev->vfl_type == VFL_TYPE_RADIO) + v4l2_fh_release(file); + else + _vb2_fop_release(file, NULL); + + /* ts-capture will not work in planar mode, so turn it off Hac: 04.05*/ + saa_andorb(SAA7134_OFMT_VIDEO_A, 0x1f, 0); + saa_andorb(SAA7134_OFMT_VIDEO_B, 0x1f, 0); + saa_andorb(SAA7134_OFMT_DATA_A, 0x1f, 0); + saa_andorb(SAA7134_OFMT_DATA_B, 0x1f, 0); + + saa_call_all(dev, tuner, standby); + if (vdev->vfl_type == VFL_TYPE_RADIO) + saa_call_all(dev, core, command, SAA6588_CMD_CLOSE, &cmd); + mutex_unlock(&dev->lock); + + return 0; +} + +static ssize_t radio_read(struct file *file, char __user *data, + size_t count, loff_t *ppos) +{ + struct saa7134_dev *dev = video_drvdata(file); + struct saa6588_command cmd; + + cmd.block_count = count/3; + cmd.nonblocking = file->f_flags & O_NONBLOCK; + cmd.buffer = data; + cmd.instance = file; + cmd.result = -ENODEV; + + mutex_lock(&dev->lock); + saa_call_all(dev, core, command, SAA6588_CMD_READ, &cmd); + mutex_unlock(&dev->lock); + + return cmd.result; +} + +static __poll_t radio_poll(struct file *file, poll_table *wait) +{ + struct saa7134_dev *dev = video_drvdata(file); + struct saa6588_command cmd; + __poll_t rc = v4l2_ctrl_poll(file, wait); + + cmd.instance = file; + cmd.event_list = wait; + cmd.poll_mask = 0; + mutex_lock(&dev->lock); + saa_call_all(dev, core, command, SAA6588_CMD_POLL, &cmd); + mutex_unlock(&dev->lock); + + return rc | cmd.poll_mask; +} + +/* ------------------------------------------------------------------ */ + +static int saa7134_try_get_set_fmt_vbi_cap(struct file *file, void *priv, + struct v4l2_format *f) +{ + struct saa7134_dev *dev = video_drvdata(file); + struct saa7134_tvnorm *norm = dev->tvnorm; + + memset(&f->fmt.vbi.reserved, 0, sizeof(f->fmt.vbi.reserved)); + f->fmt.vbi.sampling_rate = 6750000 * 4; + f->fmt.vbi.samples_per_line = 2048 /* VBI_LINE_LENGTH */; + f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY; + f->fmt.vbi.offset = 64 * 4; + f->fmt.vbi.start[0] = norm->vbi_v_start_0; + f->fmt.vbi.count[0] = norm->vbi_v_stop_0 - norm->vbi_v_start_0 +1; + f->fmt.vbi.start[1] = norm->vbi_v_start_1; + f->fmt.vbi.count[1] = f->fmt.vbi.count[0]; + f->fmt.vbi.flags = 0; /* VBI_UNSYNC VBI_INTERLACED */ + + return 0; +} + +static int saa7134_g_fmt_vid_cap(struct file *file, void *priv, + struct v4l2_format *f) +{ + struct saa7134_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; + if (dev->fmt->planar) + f->fmt.pix.bytesperline = f->fmt.pix.width; + else + f->fmt.pix.bytesperline = + (f->fmt.pix.width * dev->fmt->depth) / 8; + f->fmt.pix.sizeimage = + (f->fmt.pix.height * f->fmt.pix.width * dev->fmt->depth) / 8; + f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; + return 0; +} + +static int saa7134_try_fmt_vid_cap(struct file *file, void *priv, + struct v4l2_format *f) +{ + struct saa7134_dev *dev = video_drvdata(file); + struct saa7134_format *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 = min(dev->crop_current.width*4, dev->crop_bounds.width); + maxh = min(dev->crop_current.height*4, dev->crop_bounds.height); + + 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; + default: + field = V4L2_FIELD_INTERLACED; + break; + } + + f->fmt.pix.field = field; + if (f->fmt.pix.width < 48) + f->fmt.pix.width = 48; + if (f->fmt.pix.height < 32) + f->fmt.pix.height = 32; + if (f->fmt.pix.width > maxw) + f->fmt.pix.width = maxw; + if (f->fmt.pix.height > maxh) + f->fmt.pix.height = maxh; + f->fmt.pix.width &= ~0x03; + if (fmt->planar) + f->fmt.pix.bytesperline = f->fmt.pix.width; + else + f->fmt.pix.bytesperline = + (f->fmt.pix.width * fmt->depth) / 8; + f->fmt.pix.sizeimage = + (f->fmt.pix.height * f->fmt.pix.width * fmt->depth) / 8; + f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; + + return 0; +} + +static int saa7134_s_fmt_vid_cap(struct file *file, void *priv, + struct v4l2_format *f) +{ + struct saa7134_dev *dev = video_drvdata(file); + int err; + + err = saa7134_try_fmt_vid_cap(file, priv, f); + if (0 != err) + return err; + + 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; + return 0; +} + +int saa7134_enum_input(struct file *file, void *priv, struct v4l2_input *i) +{ + struct saa7134_dev *dev = video_drvdata(file); + unsigned int n; + + n = i->index; + if (n >= SAA7134_INPUT_MAX) + return -EINVAL; + if (card_in(dev, i->index).type == SAA7134_NO_INPUT) + return -EINVAL; + i->index = n; + strscpy(i->name, saa7134_input_name[card_in(dev, n).type], + sizeof(i->name)); + switch (card_in(dev, n).type) { + case SAA7134_INPUT_TV: + case SAA7134_INPUT_TV_MONO: + i->type = V4L2_INPUT_TYPE_TUNER; + break; + default: + i->type = V4L2_INPUT_TYPE_CAMERA; + break; + } + if (n == dev->ctl_input) { + int v1 = saa_readb(SAA7134_STATUS_VIDEO1); + int v2 = saa_readb(SAA7134_STATUS_VIDEO2); + + if (0 != (v1 & 0x40)) + i->status |= V4L2_IN_ST_NO_H_LOCK; + if (0 != (v2 & 0x40)) + i->status |= V4L2_IN_ST_NO_SIGNAL; + if (0 != (v2 & 0x0e)) + i->status |= V4L2_IN_ST_MACROVISION; + } + i->std = SAA7134_NORMS; + return 0; +} +EXPORT_SYMBOL_GPL(saa7134_enum_input); + +int saa7134_g_input(struct file *file, void *priv, unsigned int *i) +{ + struct saa7134_dev *dev = video_drvdata(file); + + *i = dev->ctl_input; + return 0; +} +EXPORT_SYMBOL_GPL(saa7134_g_input); + +int saa7134_s_input(struct file *file, void *priv, unsigned int i) +{ + struct saa7134_dev *dev = video_drvdata(file); + + if (i >= SAA7134_INPUT_MAX) + return -EINVAL; + if (card_in(dev, i).type == SAA7134_NO_INPUT) + return -EINVAL; + video_mux(dev, i); + return 0; +} +EXPORT_SYMBOL_GPL(saa7134_s_input); + +int saa7134_querycap(struct file *file, void *priv, + struct v4l2_capability *cap) +{ + struct saa7134_dev *dev = video_drvdata(file); + + strscpy(cap->driver, "saa7134", sizeof(cap->driver)); + strscpy(cap->card, saa7134_boards[dev->board].name, + sizeof(cap->card)); + cap->capabilities = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING | + V4L2_CAP_RADIO | V4L2_CAP_VIDEO_CAPTURE | + V4L2_CAP_VBI_CAPTURE | V4L2_CAP_DEVICE_CAPS; + if (dev->tuner_type != TUNER_ABSENT && dev->tuner_type != UNSET) + cap->capabilities |= V4L2_CAP_TUNER; + if (dev->has_rds) + cap->capabilities |= V4L2_CAP_RDS_CAPTURE; + + return 0; +} +EXPORT_SYMBOL_GPL(saa7134_querycap); + +int saa7134_s_std(struct file *file, void *priv, v4l2_std_id id) +{ + struct saa7134_dev *dev = video_drvdata(file); + unsigned int i; + v4l2_std_id fixup; + + for (i = 0; i < TVNORMS; i++) + if (id == tvnorms[i].id) + break; + + if (i == TVNORMS) + for (i = 0; i < TVNORMS; i++) + if (id & tvnorms[i].id) + break; + if (i == TVNORMS) + return -EINVAL; + + if ((id & V4L2_STD_SECAM) && (secam[0] != '-')) { + if (secam[0] == 'L' || secam[0] == 'l') { + if (secam[1] == 'C' || secam[1] == 'c') + fixup = V4L2_STD_SECAM_LC; + else + fixup = V4L2_STD_SECAM_L; + } else { + if (secam[0] == 'D' || secam[0] == 'd') + fixup = V4L2_STD_SECAM_DK; + else + fixup = V4L2_STD_SECAM; + } + for (i = 0; i < TVNORMS; i++) { + if (fixup == tvnorms[i].id) + break; + } + if (i == TVNORMS) + return -EINVAL; + } + + set_tvnorm(dev, &tvnorms[i]); + + saa7134_tvaudio_do_scan(dev); + return 0; +} +EXPORT_SYMBOL_GPL(saa7134_s_std); + +int saa7134_g_std(struct file *file, void *priv, v4l2_std_id *id) +{ + struct saa7134_dev *dev = video_drvdata(file); + + *id = dev->tvnorm->id; + return 0; +} +EXPORT_SYMBOL_GPL(saa7134_g_std); + +static v4l2_std_id saa7134_read_std(struct saa7134_dev *dev) +{ + static v4l2_std_id stds[] = { + V4L2_STD_UNKNOWN, + V4L2_STD_NTSC, + V4L2_STD_PAL, + V4L2_STD_SECAM }; + + v4l2_std_id result = 0; + + u8 st1 = saa_readb(SAA7134_STATUS_VIDEO1); + u8 st2 = saa_readb(SAA7134_STATUS_VIDEO2); + + if (!(st2 & 0x1)) /* RDCAP == 0 */ + result = V4L2_STD_UNKNOWN; + else + result = stds[st1 & 0x03]; + + return result; +} + +int saa7134_querystd(struct file *file, void *priv, v4l2_std_id *std) +{ + struct saa7134_dev *dev = video_drvdata(file); + *std &= saa7134_read_std(dev); + return 0; +} +EXPORT_SYMBOL_GPL(saa7134_querystd); + +static int saa7134_g_pixelaspect(struct file *file, void *priv, + int type, struct v4l2_fract *f) +{ + struct saa7134_dev *dev = video_drvdata(file); + + if (type != V4L2_BUF_TYPE_VIDEO_CAPTURE) + return -EINVAL; + + if (dev->tvnorm->id & V4L2_STD_525_60) { + f->numerator = 11; + f->denominator = 10; + } + if (dev->tvnorm->id & V4L2_STD_625_50) { + f->numerator = 54; + f->denominator = 59; + } + return 0; +} + +static int saa7134_g_selection(struct file *file, void *f, struct v4l2_selection *sel) +{ + struct saa7134_dev *dev = video_drvdata(file); + + if (sel->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) + return -EINVAL; + + switch (sel->target) { + case V4L2_SEL_TGT_CROP: + sel->r = dev->crop_current; + break; + case V4L2_SEL_TGT_CROP_DEFAULT: + sel->r = dev->crop_defrect; + break; + case V4L2_SEL_TGT_CROP_BOUNDS: + sel->r = dev->crop_bounds; + break; + default: + return -EINVAL; + } + return 0; +} + +static int saa7134_s_selection(struct file *file, void *f, struct v4l2_selection *sel) +{ + struct saa7134_dev *dev = video_drvdata(file); + struct v4l2_rect *b = &dev->crop_bounds; + struct v4l2_rect *c = &dev->crop_current; + + if (sel->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) + return -EINVAL; + + if (sel->target != V4L2_SEL_TGT_CROP) + return -EINVAL; + + if (vb2_is_streaming(&dev->video_vbq)) + return -EBUSY; + + *c = sel->r; + if (c->top < b->top) + c->top = b->top; + if (c->top > b->top + b->height) + c->top = b->top + b->height; + if (c->height > b->top - c->top + b->height) + c->height = b->top - c->top + b->height; + + if (c->left < b->left) + c->left = b->left; + if (c->left > b->left + b->width) + c->left = b->left + b->width; + if (c->width > b->left - c->left + b->width) + c->width = b->left - c->left + b->width; + sel->r = *c; + return 0; +} + +int saa7134_g_tuner(struct file *file, void *priv, + struct v4l2_tuner *t) +{ + struct saa7134_dev *dev = video_drvdata(file); + int n; + + if (0 != t->index) + return -EINVAL; + memset(t, 0, sizeof(*t)); + for (n = 0; n < SAA7134_INPUT_MAX; n++) { + if (card_in(dev, n).type == SAA7134_INPUT_TV || + card_in(dev, n).type == SAA7134_INPUT_TV_MONO) + break; + } + if (n == SAA7134_INPUT_MAX) + return -EINVAL; + if (card_in(dev, n).type != SAA7134_NO_INPUT) { + strscpy(t->name, "Television", sizeof(t->name)); + t->type = V4L2_TUNER_ANALOG_TV; + saa_call_all(dev, tuner, g_tuner, t); + t->capability = V4L2_TUNER_CAP_NORM | + V4L2_TUNER_CAP_STEREO | + V4L2_TUNER_CAP_LANG1 | + V4L2_TUNER_CAP_LANG2; + t->rxsubchans = saa7134_tvaudio_getstereo(dev); + t->audmode = saa7134_tvaudio_rx2mode(t->rxsubchans); + } + if (0 != (saa_readb(SAA7134_STATUS_VIDEO1) & 0x03)) + t->signal = 0xffff; + return 0; +} +EXPORT_SYMBOL_GPL(saa7134_g_tuner); + +int saa7134_s_tuner(struct file *file, void *priv, + const struct v4l2_tuner *t) +{ + struct saa7134_dev *dev = video_drvdata(file); + int rx, mode; + + if (0 != t->index) + return -EINVAL; + + mode = dev->thread.mode; + if (UNSET == mode) { + rx = saa7134_tvaudio_getstereo(dev); + mode = saa7134_tvaudio_rx2mode(rx); + } + if (mode != t->audmode) + dev->thread.mode = t->audmode; + + return 0; +} +EXPORT_SYMBOL_GPL(saa7134_s_tuner); + +int saa7134_g_frequency(struct file *file, void *priv, + struct v4l2_frequency *f) +{ + struct saa7134_dev *dev = video_drvdata(file); + + if (0 != f->tuner) + return -EINVAL; + + saa_call_all(dev, tuner, g_frequency, f); + + return 0; +} +EXPORT_SYMBOL_GPL(saa7134_g_frequency); + +int saa7134_s_frequency(struct file *file, void *priv, + const struct v4l2_frequency *f) +{ + struct saa7134_dev *dev = video_drvdata(file); + + if (0 != f->tuner) + return -EINVAL; + + saa_call_all(dev, tuner, s_frequency, f); + + saa7134_tvaudio_do_scan(dev); + return 0; +} +EXPORT_SYMBOL_GPL(saa7134_s_frequency); + +static int saa7134_enum_fmt_vid_cap(struct file *file, void *priv, + struct v4l2_fmtdesc *f) +{ + if (f->index >= FORMATS) + return -EINVAL; + + f->pixelformat = formats[f->index].fourcc; + + return 0; +} + +#ifdef CONFIG_VIDEO_ADV_DEBUG +static int vidioc_g_register (struct file *file, void *priv, + struct v4l2_dbg_register *reg) +{ + struct saa7134_dev *dev = video_drvdata(file); + + reg->val = saa_readb(reg->reg & 0xffffff); + reg->size = 1; + return 0; +} + +static int vidioc_s_register (struct file *file, void *priv, + const struct v4l2_dbg_register *reg) +{ + struct saa7134_dev *dev = video_drvdata(file); + + saa_writeb(reg->reg & 0xffffff, reg->val); + return 0; +} +#endif + +static int radio_g_tuner(struct file *file, void *priv, + struct v4l2_tuner *t) +{ + struct saa7134_dev *dev = video_drvdata(file); + + if (0 != t->index) + return -EINVAL; + + strscpy(t->name, "Radio", sizeof(t->name)); + + saa_call_all(dev, tuner, g_tuner, t); + t->audmode &= V4L2_TUNER_MODE_MONO | V4L2_TUNER_MODE_STEREO; + if (dev->input->amux == TV) { + t->signal = 0xf800 - ((saa_readb(0x581) & 0x1f) << 11); + t->rxsubchans = (saa_readb(0x529) & 0x08) ? + V4L2_TUNER_SUB_STEREO : V4L2_TUNER_SUB_MONO; + } + return 0; +} +static int radio_s_tuner(struct file *file, void *priv, + const struct v4l2_tuner *t) +{ + struct saa7134_dev *dev = video_drvdata(file); + + if (0 != t->index) + return -EINVAL; + + saa_call_all(dev, tuner, s_tuner, t); + return 0; +} + +static const struct v4l2_file_operations video_fops = +{ + .owner = THIS_MODULE, + .open = video_open, + .release = video_release, + .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 = saa7134_querycap, + .vidioc_enum_fmt_vid_cap = saa7134_enum_fmt_vid_cap, + .vidioc_g_fmt_vid_cap = saa7134_g_fmt_vid_cap, + .vidioc_try_fmt_vid_cap = saa7134_try_fmt_vid_cap, + .vidioc_s_fmt_vid_cap = saa7134_s_fmt_vid_cap, + .vidioc_g_fmt_vbi_cap = saa7134_try_get_set_fmt_vbi_cap, + .vidioc_try_fmt_vbi_cap = saa7134_try_get_set_fmt_vbi_cap, + .vidioc_s_fmt_vbi_cap = saa7134_try_get_set_fmt_vbi_cap, + .vidioc_g_pixelaspect = saa7134_g_pixelaspect, + .vidioc_reqbufs = vb2_ioctl_reqbufs, + .vidioc_querybuf = vb2_ioctl_querybuf, + .vidioc_qbuf = vb2_ioctl_qbuf, + .vidioc_dqbuf = vb2_ioctl_dqbuf, + .vidioc_expbuf = vb2_ioctl_expbuf, + .vidioc_s_std = saa7134_s_std, + .vidioc_g_std = saa7134_g_std, + .vidioc_querystd = saa7134_querystd, + .vidioc_enum_input = saa7134_enum_input, + .vidioc_g_input = saa7134_g_input, + .vidioc_s_input = saa7134_s_input, + .vidioc_streamon = vb2_ioctl_streamon, + .vidioc_streamoff = vb2_ioctl_streamoff, + .vidioc_g_tuner = saa7134_g_tuner, + .vidioc_s_tuner = saa7134_s_tuner, + .vidioc_g_selection = saa7134_g_selection, + .vidioc_s_selection = saa7134_s_selection, + .vidioc_g_frequency = saa7134_g_frequency, + .vidioc_s_frequency = saa7134_s_frequency, +#ifdef CONFIG_VIDEO_ADV_DEBUG + .vidioc_g_register = vidioc_g_register, + .vidioc_s_register = vidioc_s_register, +#endif + .vidioc_log_status = v4l2_ctrl_log_status, + .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, + .vidioc_unsubscribe_event = v4l2_event_unsubscribe, +}; + +static const struct v4l2_file_operations radio_fops = { + .owner = THIS_MODULE, + .open = video_open, + .read = radio_read, + .release = video_release, + .unlocked_ioctl = video_ioctl2, + .poll = radio_poll, +}; + +static const struct v4l2_ioctl_ops radio_ioctl_ops = { + .vidioc_querycap = saa7134_querycap, + .vidioc_g_tuner = radio_g_tuner, + .vidioc_s_tuner = radio_s_tuner, + .vidioc_g_frequency = saa7134_g_frequency, + .vidioc_s_frequency = saa7134_s_frequency, + .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, + .vidioc_unsubscribe_event = v4l2_event_unsubscribe, +}; + +/* ----------------------------------------------------------- */ +/* exported stuff */ + +struct video_device saa7134_video_template = { + .name = "saa7134-video", + .fops = &video_fops, + .ioctl_ops = &video_ioctl_ops, + .tvnorms = SAA7134_NORMS, +}; + +struct video_device saa7134_radio_template = { + .name = "saa7134-radio", + .fops = &radio_fops, + .ioctl_ops = &radio_ioctl_ops, +}; + +static const struct v4l2_ctrl_ops saa7134_ctrl_ops = { + .s_ctrl = saa7134_s_ctrl, +}; + +static const struct v4l2_ctrl_config saa7134_ctrl_invert = { + .ops = &saa7134_ctrl_ops, + .id = V4L2_CID_PRIVATE_INVERT, + .name = "Invert", + .type = V4L2_CTRL_TYPE_BOOLEAN, + .min = 0, + .max = 1, + .step = 1, +}; + +static const struct v4l2_ctrl_config saa7134_ctrl_y_odd = { + .ops = &saa7134_ctrl_ops, + .id = V4L2_CID_PRIVATE_Y_ODD, + .name = "Y Offset Odd Field", + .type = V4L2_CTRL_TYPE_INTEGER, + .min = 0, + .max = 128, + .step = 1, +}; + +static const struct v4l2_ctrl_config saa7134_ctrl_y_even = { + .ops = &saa7134_ctrl_ops, + .id = V4L2_CID_PRIVATE_Y_EVEN, + .name = "Y Offset Even Field", + .type = V4L2_CTRL_TYPE_INTEGER, + .min = 0, + .max = 128, + .step = 1, +}; + +static const struct v4l2_ctrl_config saa7134_ctrl_automute = { + .ops = &saa7134_ctrl_ops, + .id = V4L2_CID_PRIVATE_AUTOMUTE, + .name = "Automute", + .type = V4L2_CTRL_TYPE_BOOLEAN, + .min = 0, + .max = 1, + .step = 1, + .def = 1, +}; + +int saa7134_video_init1(struct saa7134_dev *dev) +{ + struct v4l2_ctrl_handler *hdl = &dev->ctrl_handler; + struct vb2_queue *q; + int ret; + + /* sanitycheck insmod options */ + if (gbuffers < 2 || gbuffers > VIDEO_MAX_FRAME) + gbuffers = 2; + if (gbufsize > gbufsize_max) + gbufsize = gbufsize_max; + gbufsize = (gbufsize + PAGE_SIZE - 1) & PAGE_MASK; + + v4l2_ctrl_handler_init(hdl, 11); + v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops, + V4L2_CID_BRIGHTNESS, 0, 255, 1, 128); + v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops, + V4L2_CID_CONTRAST, 0, 127, 1, 68); + v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops, + V4L2_CID_SATURATION, 0, 127, 1, 64); + v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops, + V4L2_CID_HUE, -128, 127, 1, 0); + v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops, + V4L2_CID_HFLIP, 0, 1, 1, 0); + v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops, + V4L2_CID_AUDIO_MUTE, 0, 1, 1, 0); + v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops, + V4L2_CID_AUDIO_VOLUME, -15, 15, 1, 0); + v4l2_ctrl_new_custom(hdl, &saa7134_ctrl_invert, NULL); + v4l2_ctrl_new_custom(hdl, &saa7134_ctrl_y_odd, NULL); + v4l2_ctrl_new_custom(hdl, &saa7134_ctrl_y_even, NULL); + v4l2_ctrl_new_custom(hdl, &saa7134_ctrl_automute, NULL); + if (hdl->error) + return hdl->error; + if (card_has_radio(dev)) { + hdl = &dev->radio_ctrl_handler; + v4l2_ctrl_handler_init(hdl, 2); + v4l2_ctrl_add_handler(hdl, &dev->ctrl_handler, + v4l2_ctrl_radio_filter, false); + if (hdl->error) + return hdl->error; + } + dev->ctl_mute = 1; + + if (dev->tda9887_conf && saa7134_ctrl_automute.def) + dev->tda9887_conf |= TDA9887_AUTOMUTE; + dev->automute = 0; + + INIT_LIST_HEAD(&dev->video_q.queue); + timer_setup(&dev->video_q.timeout, saa7134_buffer_timeout, 0); + dev->video_q.dev = dev; + dev->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24); + dev->width = 720; + dev->height = 576; + dev->field = V4L2_FIELD_INTERLACED; + + if (saa7134_boards[dev->board].video_out) + saa7134_videoport_init(dev); + + q = &dev->video_vbq; + q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + /* + * Do not add VB2_USERPTR unless explicitly requested: the saa7134 DMA + * engine cannot handle transfers that do not start at the beginning + * of a page. A user-provided pointer can start anywhere in a page, so + * USERPTR support is a no-go unless the application knows about these + * limitations and has special support for this. + */ + q->io_modes = VB2_MMAP | VB2_DMABUF | VB2_READ; + if (saa7134_userptr) + q->io_modes |= VB2_USERPTR; + q->drv_priv = &dev->video_q; + q->ops = &vb2_qops; + q->gfp_flags = GFP_DMA32; + q->mem_ops = &vb2_dma_sg_memops; + q->buf_struct_size = sizeof(struct saa7134_buf); + q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; + q->lock = &dev->lock; + q->dev = &dev->pci->dev; + ret = vb2_queue_init(q); + if (ret) + return ret; + saa7134_pgtable_alloc(dev->pci, &dev->video_q.pt); + + q = &dev->vbi_vbq; + q->type = V4L2_BUF_TYPE_VBI_CAPTURE; + /* Don't add VB2_USERPTR, see comment above */ + q->io_modes = VB2_MMAP | VB2_READ; + if (saa7134_userptr) + q->io_modes |= VB2_USERPTR; + q->drv_priv = &dev->vbi_q; + q->ops = &saa7134_vbi_qops; + q->gfp_flags = GFP_DMA32; + q->mem_ops = &vb2_dma_sg_memops; + q->buf_struct_size = sizeof(struct saa7134_buf); + q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; + q->lock = &dev->lock; + q->dev = &dev->pci->dev; + ret = vb2_queue_init(q); + if (ret) + return ret; + saa7134_pgtable_alloc(dev->pci, &dev->vbi_q.pt); + + return 0; +} + +void saa7134_video_fini(struct saa7134_dev *dev) +{ + del_timer_sync(&dev->video_q.timeout); + /* free stuff */ + saa7134_pgtable_free(dev->pci, &dev->video_q.pt); + saa7134_pgtable_free(dev->pci, &dev->vbi_q.pt); + v4l2_ctrl_handler_free(&dev->ctrl_handler); + if (card_has_radio(dev)) + v4l2_ctrl_handler_free(&dev->radio_ctrl_handler); +} + +int saa7134_videoport_init(struct saa7134_dev *dev) +{ + /* enable video output */ + int vo = saa7134_boards[dev->board].video_out; + int video_reg; + unsigned int vid_port_opts = saa7134_boards[dev->board].vid_port_opts; + + /* Configure videoport */ + saa_writeb(SAA7134_VIDEO_PORT_CTRL0, video_out[vo][0]); + video_reg = video_out[vo][1]; + if (vid_port_opts & SET_T_CODE_POLARITY_NON_INVERTED) + video_reg &= ~VP_T_CODE_P_INVERTED; + saa_writeb(SAA7134_VIDEO_PORT_CTRL1, video_reg); + saa_writeb(SAA7134_VIDEO_PORT_CTRL2, video_out[vo][2]); + saa_writeb(SAA7134_VIDEO_PORT_CTRL4, video_out[vo][4]); + video_reg = video_out[vo][5]; + if (vid_port_opts & SET_CLOCK_NOT_DELAYED) + video_reg &= ~VP_CLK_CTRL2_DELAYED; + if (vid_port_opts & SET_CLOCK_INVERTED) + video_reg |= VP_CLK_CTRL1_INVERTED; + saa_writeb(SAA7134_VIDEO_PORT_CTRL5, video_reg); + video_reg = video_out[vo][6]; + if (vid_port_opts & SET_VSYNC_OFF) { + video_reg &= ~VP_VS_TYPE_MASK; + video_reg |= VP_VS_TYPE_OFF; + } + saa_writeb(SAA7134_VIDEO_PORT_CTRL6, video_reg); + saa_writeb(SAA7134_VIDEO_PORT_CTRL7, video_out[vo][7]); + saa_writeb(SAA7134_VIDEO_PORT_CTRL8, video_out[vo][8]); + + /* Start videoport */ + saa_writeb(SAA7134_VIDEO_PORT_CTRL3, video_out[vo][3]); + + return 0; +} + +int saa7134_video_init2(struct saa7134_dev *dev) +{ + /* init video hw */ + set_tvnorm(dev,&tvnorms[0]); + video_mux(dev,0); + v4l2_ctrl_handler_setup(&dev->ctrl_handler); + saa7134_tvaudio_setmute(dev); + saa7134_tvaudio_setvolume(dev,dev->ctl_volume); + return 0; +} + +void saa7134_irq_video_signalchange(struct saa7134_dev *dev) +{ + static const char *st[] = { + "(no signal)", "NTSC", "PAL", "SECAM" }; + u32 st1,st2; + + st1 = saa_readb(SAA7134_STATUS_VIDEO1); + st2 = saa_readb(SAA7134_STATUS_VIDEO2); + video_dbg("DCSDT: pll: %s, sync: %s, norm: %s\n", + (st1 & 0x40) ? "not locked" : "locked", + (st2 & 0x40) ? "no" : "yes", + st[st1 & 0x03]); + dev->nosignal = (st1 & 0x40) || (st2 & 0x40) || !(st2 & 0x1); + + if (dev->nosignal) { + /* no video signal -> mute audio */ + if (dev->ctl_automute) + dev->automute = 1; + saa7134_tvaudio_setmute(dev); + } else { + /* wake up tvaudio audio carrier scan thread */ + saa7134_tvaudio_do_scan(dev); + } + + if ((st2 & 0x80) && !noninterlaced && !dev->nosignal) + saa_clearb(SAA7134_SYNC_CTRL, 0x20); + else + saa_setb(SAA7134_SYNC_CTRL, 0x20); + + if (dev->mops && dev->mops->signal_change) + dev->mops->signal_change(dev); +} + + +void saa7134_irq_video_done(struct saa7134_dev *dev, unsigned long status) +{ + enum v4l2_field field; + + spin_lock(&dev->slock); + if (dev->video_q.curr) { + field = dev->field; + if (V4L2_FIELD_HAS_BOTH(field)) { + /* make sure we have seen both fields */ + if ((status & 0x10) == 0x00) { + dev->video_q.curr->top_seen = 1; + goto done; + } + if (!dev->video_q.curr->top_seen) + goto done; + } else if (field == V4L2_FIELD_TOP) { + if ((status & 0x10) != 0x10) + goto done; + } else if (field == V4L2_FIELD_BOTTOM) { + if ((status & 0x10) != 0x00) + goto done; + } + saa7134_buffer_finish(dev, &dev->video_q, VB2_BUF_STATE_DONE); + } + saa7134_buffer_next(dev, &dev->video_q); + + done: + spin_unlock(&dev->slock); +} |