Signed-off-by: Mikhail Domrachev <mihail.domryc...@comexp.ru>
---
drivers/media/pci/saa7134/saa7134-empress.c | 1 +
drivers/media/pci/saa7134/saa7134-reg.h | 6 ++++
drivers/media/pci/saa7134/saa7134-video.c | 53 ++++++++++++++++++++++++++---
drivers/media/pci/saa7134/saa7134.h | 1 +
4 files changed, 57 insertions(+), 4 deletions(-)
diff --git a/drivers/media/pci/saa7134/saa7134-empress.c
b/drivers/media/pci/saa7134/saa7134-empress.c
index 0a9047e..a150deb 100644
--- a/drivers/media/pci/saa7134/saa7134-empress.c
+++ b/drivers/media/pci/saa7134/saa7134-empress.c
@@ -262,6 +262,7 @@ 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 e7e0af1..9681d31 100644
--- a/drivers/media/pci/saa7134/saa7134-reg.h
+++ b/drivers/media/pci/saa7134/saa7134-reg.h
@@ -369,6 +369,12 @@
#define SAA7135_DSP_RWCLEAR_RERR 1
#define SAA7133_I2S_AUDIO_CONTROL 0x591
+
+#define SAA7134_STDDETECT_AUFD (1 << 7)
+#define SAA7134_STDDETECT_FCTC (1 << 2)
+#define SAA7134_STDDETECT_LDEL (1 << 5)
+#define SAA7134_STDDETECT_AUTO0 (1 << 1)
+#define SAA7134_STDDETECT_AUTO1 (1 << 2)
/* ------------------------------------------------------------------ */
/*
* Local variables:
diff --git a/drivers/media/pci/saa7134/saa7134-video.c
b/drivers/media/pci/saa7134/saa7134-video.c
index eb472b5..bc85d84 100644
--- a/drivers/media/pci/saa7134/saa7134-video.c
+++ b/drivers/media/pci/saa7134/saa7134-video.c
@@ -452,19 +452,29 @@ 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,
+ analog_adc, vgate_misc, 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;
+ analog_adc = 0x01;
+ vgate_misc = norm->vgate_misc;
if (mux > 5)
luma_control |= 0x80; /* svideo */
if (noninterlaced || dev->nosignal)
sync_control |= 0x20;
+ /* switch on auto standard detection */
+ sync_control |= SAA7134_STDDETECT_AUFD;
+ chroma_ctrl1 |= SAA7134_STDDETECT_AUTO0;
+ chroma_ctrl1 &= ~SAA7134_STDDETECT_FCTC;
+ luma_control &= ~SAA7134_STDDETECT_LDEL;
+
/* setup video decoder */
saa_writeb(SAA7134_INCR_DELAY, 0x08);
saa_writeb(SAA7134_ANALOG_IN_CTRL1, 0xc0 | mux);
@@ -487,16 +497,16 @@ 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);
saa_writeb(SAA7134_MODE_DELAY_CTRL, 0x00);
- saa_writeb(SAA7134_ANALOG_ADC, 0x01);
+ saa_writeb(SAA7134_ANALOG_ADC, analog_adc);
saa_writeb(SAA7134_VGATE_START, 0x11);
saa_writeb(SAA7134_VGATE_STOP, 0xfe);
- saa_writeb(SAA7134_MISC_VGATE_MSB, norm->vgate_misc);
+ saa_writeb(SAA7134_MISC_VGATE_MSB, vgate_misc);
saa_writeb(SAA7134_RAW_DATA_GAIN, 0x40);
saa_writeb(SAA7134_RAW_DATA_OFFSET, 0x80);
}
@@ -1686,6 +1696,40 @@ 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_ALL,
+ 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_ALL;
+ 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);
+
+ v4l2_std_id dcstd = saa7134_read_std(dev);
+ if (dcstd != V4L2_STD_ALL)
+ *std &= dcstd;
+ else
+ *std = dcstd;
+ return 0;
+}
+EXPORT_SYMBOL_GPL(saa7134_querystd);
+
static int saa7134_cropcap(struct file *file, void *priv,
struct v4l2_cropcap *cap)
{
@@ -2084,6 +2128,7 @@ 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 2474e84..9c2249b 100644
--- a/drivers/media/pci/saa7134/saa7134.h
+++ b/drivers/media/pci/saa7134/saa7134.h
@@ -779,6 +779,7 @@ 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);
--
1.8.5.3
--
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