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Subject: [media] saa7134: add vidioc_querystd Author: Mikhail Domrachev <[email protected]> Date: Tue Apr 1 09:28:17 2014 -0300 Signed-off-by: Mikhail Domrachev <[email protected]> Signed-off-by: Hans Verkuil <[email protected]> Signed-off-by: Mauro Carvalho Chehab <[email protected]> drivers/media/pci/saa7134/saa7134-empress.c | 1 + drivers/media/pci/saa7134/saa7134-reg.h | 5 +++ drivers/media/pci/saa7134/saa7134-video.c | 41 +++++++++++++++++++++++++- drivers/media/pci/saa7134/saa7134.h | 1 + 4 files changed, 46 insertions(+), 2 deletions(-) --- http://git.linuxtv.org/media_tree.git?a=commitdiff;h=707b7f80b5873da7728979ba1b81c0daae736762 diff --git a/drivers/media/pci/saa7134/saa7134-empress.c b/drivers/media/pci/saa7134/saa7134-empress.c index 7d4d390..3ae5e2c 100644 --- a/drivers/media/pci/saa7134/saa7134-empress.c +++ b/drivers/media/pci/saa7134/saa7134-empress.c @@ -264,6 +264,7 @@ static const struct v4l2_ioctl_ops ts_ioctl_ops = { .vidioc_s_input = saa7134_s_input, .vidioc_s_std = saa7134_s_std, .vidioc_g_std = saa7134_g_std, + .vidioc_querystd = saa7134_querystd, .vidioc_log_status = v4l2_ctrl_log_status, .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, .vidioc_unsubscribe_event = v4l2_event_unsubscribe, diff --git a/drivers/media/pci/saa7134/saa7134-reg.h b/drivers/media/pci/saa7134/saa7134-reg.h index b28b151..b6ea6f4 100644 --- a/drivers/media/pci/saa7134/saa7134-reg.h +++ b/drivers/media/pci/saa7134/saa7134-reg.h @@ -167,17 +167,22 @@ #define SAA7134_HSYNC_START 0x106 #define SAA7134_HSYNC_STOP 0x107 #define SAA7134_SYNC_CTRL 0x108 +#define SAA7134_SYNC_CTRL_AUFD (1 << 7) #define SAA7134_LUMA_CTRL 0x109 +#define SAA7134_LUMA_CTRL_LDEL (1 << 5) #define SAA7134_DEC_LUMA_BRIGHT 0x10a #define SAA7134_DEC_LUMA_CONTRAST 0x10b #define SAA7134_DEC_CHROMA_SATURATION 0x10c #define SAA7134_DEC_CHROMA_HUE 0x10d #define SAA7134_CHROMA_CTRL1 0x10e +#define SAA7134_CHROMA_CTRL1_AUTO0 (1 << 1) +#define SAA7134_CHROMA_CTRL1_FCTC (1 << 2) #define SAA7134_CHROMA_GAIN 0x10f #define SAA7134_CHROMA_CTRL2 0x110 #define SAA7134_MODE_DELAY_CTRL 0x111 #define SAA7134_ANALOG_ADC 0x114 +#define SAA7134_ANALOG_ADC_AUTO1 (1 << 2) #define SAA7134_VGATE_START 0x115 #define SAA7134_VGATE_STOP 0x116 #define SAA7134_MISC_VGATE_MSB 0x117 diff --git a/drivers/media/pci/saa7134/saa7134-video.c b/drivers/media/pci/saa7134/saa7134-video.c index e5b2beb..16140ad 100644 --- a/drivers/media/pci/saa7134/saa7134-video.c +++ b/drivers/media/pci/saa7134/saa7134-video.c @@ -452,19 +452,26 @@ static void video_mux(struct saa7134_dev *dev, int input) static void saa7134_set_decoder(struct saa7134_dev *dev) { - int luma_control, sync_control, mux; + 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); @@ -487,7 +494,7 @@ static void saa7134_set_decoder(struct saa7134_dev *dev) dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation); saa_writeb(SAA7134_DEC_CHROMA_HUE, dev->ctl_hue); - saa_writeb(SAA7134_CHROMA_CTRL1, norm->chroma_ctrl1); + saa_writeb(SAA7134_CHROMA_CTRL1, chroma_ctrl1); saa_writeb(SAA7134_CHROMA_GAIN, norm->chroma_gain); saa_writeb(SAA7134_CHROMA_CTRL2, norm->chroma_ctrl2); @@ -1686,6 +1693,35 @@ int saa7134_g_std(struct file *file, void *priv, v4l2_std_id *id) } 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_cropcap(struct file *file, void *priv, struct v4l2_cropcap *cap) { @@ -2079,6 +2115,7 @@ static const struct v4l2_ioctl_ops video_ioctl_ops = { .vidioc_dqbuf = saa7134_dqbuf, .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, diff --git a/drivers/media/pci/saa7134/saa7134.h b/drivers/media/pci/saa7134/saa7134.h index 482489a..968a10a 100644 --- a/drivers/media/pci/saa7134/saa7134.h +++ b/drivers/media/pci/saa7134/saa7134.h @@ -782,6 +782,7 @@ extern struct video_device saa7134_radio_template; int saa7134_s_std(struct file *file, void *priv, v4l2_std_id id); int saa7134_g_std(struct file *file, void *priv, v4l2_std_id *id); +int saa7134_querystd(struct file *file, void *priv, v4l2_std_id *std); int saa7134_enum_input(struct file *file, void *priv, struct v4l2_input *i); int saa7134_g_input(struct file *file, void *priv, unsigned int *i); int saa7134_s_input(struct file *file, void *priv, unsigned int i); _______________________________________________ linuxtv-commits mailing list [email protected] http://www.linuxtv.org/cgi-bin/mailman/listinfo/linuxtv-commits
