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V4L/DVB (3420): Added iocls to configure VBI on tvp5150 

- Added iocls to configure VBI on tvp5150

Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Mauro Carvalho Chehab 2006-01-23 17:11:08 -02:00 committed by Mauro Carvalho Chehab
parent 4d0dddb107
commit 12db56071b
2 changed files with 70 additions and 3 deletions
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70
drivers/media/video/tvp5150.c
View File

@ -541,7 +541,7 @@ static struct i2c_vbi_ram_value vbi_ram_default[] =
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_client *c,
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_client *c,
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_client *c,
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_client *c,
}
#endif
case VIDIOC_LOG_STATUS:
case DECODER_DUMP:
dump_reg(c);
break;

3
include/media/v4l2-common.h
View File

@ -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