[PATCH 021/141] V4L/DVB (3420): Added iocls to configure VBI on tvp5150

mchehab
2006-03-20T15:20:58Z

From: Mauro Carvalho Chehab <mchehab@infradead.org>
Date: 1138043468 -0200

- Added iocls to configure VBI on tvp5150

Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
---

diff --git a/drivers/media/video/tvp5150.c b/drivers/media/video/tvp5150.c
diff --git a/drivers/media/video/tvp5150.c b/drivers/media/video/tvp5150.c
index df7f304..20e6359 100644
--- a/drivers/media/video/tvp5150.c
+++ b/drivers/media/video/tvp5150.c
@@ -541,7 +541,7 @@ static struct i2c_vbi_ram_value vbi_ram_
0x69, 0x8c, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 }
},
{0x110, /* Wide Screen Signal, PAL/SECAM */
- {V4L2_SLICED_WSS_625,20,21,1},
+ {V4L2_SLICED_WSS_625,23,23,1},
{ 0x5b, 0x55, 0xc5, 0xff, 0x00, 0x71, 0x6e, 0x42,
0xa6, 0xcd, 0x0f, 0x00, 0x00, 0x00, 0x3a, 0x00 }
},
@@ -649,7 +649,7 @@ static int tvp5150_set_vbi(struct i2c_cl

if (std == V4L2_STD_ALL) {
tvp5150_err("VBI can't be configured without knowing number of lines\n");
- return -EINVAL;
+ return 0;
} else if (std && V4L2_STD_625_50) {
/* Don't follow NTSC Line number convension */
line += 3;
@@ -686,6 +686,37 @@ static int tvp5150_set_vbi(struct i2c_cl
return type;
}

+static int tvp5150_get_vbi(struct i2c_client *c,
+ const struct i2c_vbi_ram_value *regs, int line)
+{
+ struct tvp5150 *decoder = i2c_get_clientdata(c);
+ v4l2_std_id std=decoder->norm;
+ u8 reg;
+ int pos, type=0;
+
+ if (std == V4L2_STD_ALL) {
+ tvp5150_err("VBI can't be configured without knowing number of lines\n");
+ return 0;
+ } else if (std && V4L2_STD_625_50) {
+ /* Don't follow NTSC Line number convension */
+ line += 3;
+ }
+
+ if (line<6||line>27)
+ return 0;
+
+ reg=((line-6)<<1)+TVP5150_LINE_MODE_INI;
+
+ pos=tvp5150_read(c, reg)&0x0f;
+ if (pos<0x0f)
+ type=regs[pos].type.vbi_type;
+
+ pos=tvp5150_read(c, reg+1)&0x0f;
+ if (pos<0x0f)
+ type|=regs[pos].type.vbi_type;
+
+ return type;
+}
static int tvp5150_set_std(struct i2c_client *c, v4l2_std_id std)
{
struct tvp5150 *decoder = i2c_get_clientdata(c);
@@ -856,9 +887,43 @@ static int tvp5150_command(struct i2c_cl
vbi_ram_default,
svbi->service_lines[0][i],0xf0,i,3);
}
+ /* Enables FIFO */
+ tvp5150_write(c, TVP5150_FIFO_OUT_CTRL,1);
+ } else {
+ /* Disables FIFO*/
+ tvp5150_write(c, TVP5150_FIFO_OUT_CTRL,0);
+
+ /* Disable Full Field */
+ tvp5150_write(c, TVP5150_FULL_FIELD_ENA, 0);
+
+ /* Disable Line modes */
+ for (i=TVP5150_LINE_MODE_INI; i<=TVP5150_LINE_MODE_END; i++)
+ tvp5150_write(c, i, 0xff);
+ }
+ break;
+ }
+ case VIDIOC_G_FMT:
+ {
+ struct v4l2_format *fmt;
+ struct v4l2_sliced_vbi_format *svbi;
+
+ int i, mask=0;
+
+ fmt = arg;
+ if (fmt->type != V4L2_BUF_TYPE_SLICED_VBI_CAPTURE)
+ return -EINVAL;
+ svbi = &fmt->fmt.sliced;
+ memset(svbi, 0, sizeof(*svbi));
+
+ for (i = 0; i <= 23; i++) {
+ svbi->service_lines[0][i]=tvp5150_get_vbi(c,
+ vbi_ram_default,i);
+ mask|=svbi->service_lines[0][i];
}
+ svbi->service_set=mask;
break;
}
+
#ifdef CONFIG_VIDEO_ADV_DEBUG
case VIDIOC_INT_G_REGISTER:
{
@@ -883,6 +948,7 @@ static int tvp5150_command(struct i2c_cl
}
#endif

+ case VIDIOC_LOG_STATUS:
case DECODER_DUMP:
dump_reg(c);
break;
diff --git a/include/media/v4l2-common.h b/include/media/v4l2-common.h
diff --git a/include/media/v4l2-common.h b/include/media/v4l2-common.h
index d4030a7..11728da 100644
--- a/include/media/v4l2-common.h
+++ b/include/media/v4l2-common.h
@@ -160,7 +160,8 @@ struct msp_matrix {

/* Used to generate VBI signals on a video signal. v4l2_sliced_vbi_data is
filled with the data packets that should be output. Note that if you set
- the line field to 0, then that VBI signal is disabled. */
+ the line field to 0, then that VBI signal is disabled. If no
+ valid VBI data was found, then the type field is set to 0 on return. */
#define VIDIOC_INT_S_VBI_DATA _IOW ('d', 105, struct v4l2_sliced_vbi_data)

/* Used to obtain the sliced VBI packet from a readback register. Not all