int cx18_vapi_result(struct cx18 *cx, u32 data[MAX_MB_ARGUMENTS],
u32 cmd, int args, ...)
{
va_list ap;
int i;
va_start(ap, args);
for (i = 0; i < args; i++)
data[i] = va_arg(ap, u32);
va_end(ap);
return cx18_api(cx, cmd, args, data);
}
static void cx18_vbi_setup(struct cx18_stream *s)
{
struct cx18 *cx = s->cx;
int raw = cx18_raw_vbi(cx);
u32 data[CX2341X_MBOX_MAX_DATA];
int lines;
if (cx->is_60hz) {
cx->vbi.count = 12;
cx->vbi.start[0] = 10;
cx->vbi.start[1] = 273;
} else {
cx->vbi.count = 18;
cx->vbi.start[0] = 6;
cx->vbi.start[1] = 318;
}
if (raw)
v4l2_subdev_call(cx->sd_av, vbi, s_raw_fmt, &cx->vbi.in.fmt.vbi);
else
v4l2_subdev_call(cx->sd_av, vbi, s_sliced_fmt, &cx->vbi.in.fmt.sliced);
if (raw) {
lines = cx->vbi.count * 2;
} else {
lines = cx->is_60hz ? (21 - 4 + 1) * 2 : (23 - 2 + 1) * 2;
}
data[0] = s->handle;
data[1] = (lines / 2) | ((lines / 2) << 16);
data[2] = (raw ? vbi_active_samples
: (cx->is_60hz ? vbi_hblank_samples_60Hz
: vbi_hblank_samples_50Hz));
data[3] = 1;
if (raw) {
data[4] = 0x20602060;
data[5] = 0x307090d0;
} else {
data[4] = 0xB0F0B0F0;
data[5] = 0xA0E0A0E0;
}
CX18_DEBUG_INFO("Setup VBI h: %d lines %x bpl %d fr %d %x %x\n",
data[0], data[1], data[2], data[3], data[4], data[5]);
cx18_api(cx, CX18_CPU_SET_RAW_VBI_PARAM, 6, data);
}
int cx18_vapi(struct cx18 *cx, u32 cmd, int args, ...)
{
u32 data[MAX_MB_ARGUMENTS];
va_list ap;
int i;
if (cx == NULL) {
CX18_ERR("cx == NULL (cmd=%x)\n", cmd);
return 0;
}
if (args > MAX_MB_ARGUMENTS) {
CX18_ERR("args too big (cmd=%x)\n", cmd);
args = MAX_MB_ARGUMENTS;
}
va_start(ap, args);
for (i = 0; i < args; i++)
data[i] = va_arg(ap, u32);
va_end(ap);
return cx18_api(cx, cmd, args, data);
}
static void cx18_vbi_setup(struct cx18_stream *s)
{
struct cx18 *cx = s->cx;
int raw = cx18_raw_vbi(cx);
u32 data[CX2341X_MBOX_MAX_DATA];
int lines;
if (cx->is_60hz) {
cx->vbi.count = 12;
cx->vbi.start[0] = 10;
cx->vbi.start[1] = 273;
} else { /* PAL/SECAM */
cx->vbi.count = 18;
cx->vbi.start[0] = 6;
cx->vbi.start[1] = 318;
}
/* setup VBI registers */
if (raw)
v4l2_subdev_call(cx->sd_av, vbi, s_raw_fmt, &cx->vbi.in.fmt.vbi);
else
v4l2_subdev_call(cx->sd_av, vbi, s_sliced_fmt, &cx->vbi.in.fmt.sliced);
/*
* Send the CX18_CPU_SET_RAW_VBI_PARAM API command to setup Encoder Raw
* VBI when the first analog capture channel starts, as once it starts
* (e.g. MPEG), we can't effect any change in the Encoder Raw VBI setup
* (i.e. for the VBI capture channels). We also send it for each
* analog capture channel anyway just to make sure we get the proper
* behavior
*/
if (raw) {
lines = cx->vbi.count * 2;
} else {
/*
* For 525/60 systems, according to the VIP 2 & BT.656 std:
* The EAV RP code's Field bit toggles on line 4, a few lines
* after the Vertcal Blank bit has already toggled.
* Tell the encoder to capture 21-4+1=18 lines per field,
* since we want lines 10 through 21.
*
* For 625/50 systems, according to the VIP 2 & BT.656 std:
* The EAV RP code's Field bit toggles on line 1, a few lines
* after the Vertcal Blank bit has already toggled.
* (We've actually set the digitizer so that the Field bit
* toggles on line 2.) Tell the encoder to capture 23-2+1=22
* lines per field, since we want lines 6 through 23.
*/
lines = cx->is_60hz ? (21 - 4 + 1) * 2 : (23 - 2 + 1) * 2;
}
data[0] = s->handle;
/* Lines per field */
data[1] = (lines / 2) | ((lines / 2) << 16);
/* bytes per line */
data[2] = (raw ? vbi_active_samples
: (cx->is_60hz ? vbi_hblank_samples_60Hz
: vbi_hblank_samples_50Hz));
/* Every X number of frames a VBI interrupt arrives
(frames as in 25 or 30 fps) */
data[3] = 1;
/*
* Set the SAV/EAV RP codes to look for as start/stop points
* when in VIP-1.1 mode
*/
if (raw) {
/*
* Start codes for beginning of "active" line in vertical blank
* 0x20 ( VerticalBlank )
* 0x60 ( EvenField VerticalBlank )
*/
data[4] = 0x20602060;
/*
* End codes for end of "active" raw lines and regular lines
* 0x30 ( VerticalBlank HorizontalBlank)
* 0x70 ( EvenField VerticalBlank HorizontalBlank)
* 0x90 (Task HorizontalBlank)
* 0xd0 (Task EvenField HorizontalBlank)
*/
data[5] = 0x307090d0;
} else {
/*
* End codes for active video, we want data in the hblank region
* 0xb0 (Task 0 VerticalBlank HorizontalBlank)
* 0xf0 (Task EvenField VerticalBlank HorizontalBlank)
*
* Since the V bit is only allowed to toggle in the EAV RP code,
* just before the first active region line, these two
* are problematic:
* 0x90 (Task HorizontalBlank)
* 0xd0 (Task EvenField HorizontalBlank)
*
* We have set the digitzer such that we don't have to worry
* about these problem codes.
*/
data[4] = 0xB0F0B0F0;
/*
* Start codes for beginning of active line in vertical blank
* 0xa0 (Task VerticalBlank )
* 0xe0 (Task EvenField VerticalBlank )
*/
data[5] = 0xA0E0A0E0;
}
CX18_DEBUG_INFO("Setup VBI h: %d lines %x bpl %d fr %d %x %x\n",
data[0], data[1], data[2], data[3], data[4], data[5]);
cx18_api(cx, CX18_CPU_SET_RAW_VBI_PARAM, 6, data);
}