[media] tvp7002: add support for the new dv timings API
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Reviewed-by: Mauro Carvalho Chehab <mchehab@redhat.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
parent
f00dc30422
commit
eb8305b159
1 changed files with 89 additions and 13 deletions
|
@ -29,6 +29,7 @@
|
|||
#include <linux/slab.h>
|
||||
#include <linux/videodev2.h>
|
||||
#include <linux/module.h>
|
||||
#include <linux/v4l2-dv-timings.h>
|
||||
#include <media/tvp7002.h>
|
||||
#include <media/v4l2-device.h>
|
||||
#include <media/v4l2-chip-ident.h>
|
||||
|
@ -328,6 +329,7 @@ static const struct i2c_reg_value tvp7002_parms_720P50[] = {
|
|||
/* Preset definition for handling device operation */
|
||||
struct tvp7002_preset_definition {
|
||||
u32 preset;
|
||||
struct v4l2_dv_timings timings;
|
||||
const struct i2c_reg_value *p_settings;
|
||||
enum v4l2_colorspace color_space;
|
||||
enum v4l2_field scanmode;
|
||||
|
@ -341,6 +343,7 @@ struct tvp7002_preset_definition {
|
|||
static const struct tvp7002_preset_definition tvp7002_presets[] = {
|
||||
{
|
||||
V4L2_DV_720P60,
|
||||
V4L2_DV_BT_CEA_1280X720P60,
|
||||
tvp7002_parms_720P60,
|
||||
V4L2_COLORSPACE_REC709,
|
||||
V4L2_FIELD_NONE,
|
||||
|
@ -351,6 +354,7 @@ static const struct tvp7002_preset_definition tvp7002_presets[] = {
|
|||
},
|
||||
{
|
||||
V4L2_DV_1080I60,
|
||||
V4L2_DV_BT_CEA_1920X1080I60,
|
||||
tvp7002_parms_1080I60,
|
||||
V4L2_COLORSPACE_REC709,
|
||||
V4L2_FIELD_INTERLACED,
|
||||
|
@ -361,6 +365,7 @@ static const struct tvp7002_preset_definition tvp7002_presets[] = {
|
|||
},
|
||||
{
|
||||
V4L2_DV_1080I50,
|
||||
V4L2_DV_BT_CEA_1920X1080I50,
|
||||
tvp7002_parms_1080I50,
|
||||
V4L2_COLORSPACE_REC709,
|
||||
V4L2_FIELD_INTERLACED,
|
||||
|
@ -371,6 +376,7 @@ static const struct tvp7002_preset_definition tvp7002_presets[] = {
|
|||
},
|
||||
{
|
||||
V4L2_DV_720P50,
|
||||
V4L2_DV_BT_CEA_1280X720P50,
|
||||
tvp7002_parms_720P50,
|
||||
V4L2_COLORSPACE_REC709,
|
||||
V4L2_FIELD_NONE,
|
||||
|
@ -381,6 +387,7 @@ static const struct tvp7002_preset_definition tvp7002_presets[] = {
|
|||
},
|
||||
{
|
||||
V4L2_DV_1080P60,
|
||||
V4L2_DV_BT_CEA_1920X1080P60,
|
||||
tvp7002_parms_1080P60,
|
||||
V4L2_COLORSPACE_REC709,
|
||||
V4L2_FIELD_NONE,
|
||||
|
@ -391,6 +398,7 @@ static const struct tvp7002_preset_definition tvp7002_presets[] = {
|
|||
},
|
||||
{
|
||||
V4L2_DV_480P59_94,
|
||||
V4L2_DV_BT_CEA_720X480P59_94,
|
||||
tvp7002_parms_480P,
|
||||
V4L2_COLORSPACE_SMPTE170M,
|
||||
V4L2_FIELD_NONE,
|
||||
|
@ -401,6 +409,7 @@ static const struct tvp7002_preset_definition tvp7002_presets[] = {
|
|||
},
|
||||
{
|
||||
V4L2_DV_576P50,
|
||||
V4L2_DV_BT_CEA_720X576P50,
|
||||
tvp7002_parms_576P,
|
||||
V4L2_COLORSPACE_SMPTE170M,
|
||||
V4L2_FIELD_NONE,
|
||||
|
@ -605,6 +614,35 @@ static int tvp7002_s_dv_preset(struct v4l2_subdev *sd,
|
|||
return -EINVAL;
|
||||
}
|
||||
|
||||
static int tvp7002_s_dv_timings(struct v4l2_subdev *sd,
|
||||
struct v4l2_dv_timings *dv_timings)
|
||||
{
|
||||
struct tvp7002 *device = to_tvp7002(sd);
|
||||
const struct v4l2_bt_timings *bt = &dv_timings->bt;
|
||||
int i;
|
||||
|
||||
if (dv_timings->type != V4L2_DV_BT_656_1120)
|
||||
return -EINVAL;
|
||||
for (i = 0; i < NUM_PRESETS; i++) {
|
||||
const struct v4l2_bt_timings *t = &tvp7002_presets[i].timings.bt;
|
||||
|
||||
if (!memcmp(bt, t, &bt->standards - &bt->width)) {
|
||||
device->current_preset = &tvp7002_presets[i];
|
||||
return tvp7002_write_inittab(sd, tvp7002_presets[i].p_settings);
|
||||
}
|
||||
}
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
static int tvp7002_g_dv_timings(struct v4l2_subdev *sd,
|
||||
struct v4l2_dv_timings *dv_timings)
|
||||
{
|
||||
struct tvp7002 *device = to_tvp7002(sd);
|
||||
|
||||
*dv_timings = device->current_preset->timings;
|
||||
return 0;
|
||||
}
|
||||
|
||||
/*
|
||||
* tvp7002_s_ctrl() - Set a control
|
||||
* @ctrl: ptr to v4l2_ctrl struct
|
||||
|
@ -666,8 +704,7 @@ static int tvp7002_mbus_fmt(struct v4l2_subdev *sd, struct v4l2_mbus_framefmt *f
|
|||
* Returns the current DV preset by TVP7002. If no active input is
|
||||
* detected, returns -EINVAL
|
||||
*/
|
||||
static int tvp7002_query_dv_preset(struct v4l2_subdev *sd,
|
||||
struct v4l2_dv_preset *qpreset)
|
||||
static int tvp7002_query_dv(struct v4l2_subdev *sd, int *index)
|
||||
{
|
||||
const struct tvp7002_preset_definition *presets = tvp7002_presets;
|
||||
u8 progressive;
|
||||
|
@ -678,10 +715,9 @@ static int tvp7002_query_dv_preset(struct v4l2_subdev *sd,
|
|||
u8 lpf_msb;
|
||||
u8 cpl_lsb;
|
||||
u8 cpl_msb;
|
||||
int index;
|
||||
|
||||
/* Return invalid preset if no active input is detected */
|
||||
qpreset->preset = V4L2_DV_INVALID;
|
||||
/* Return invalid index if no active input is detected */
|
||||
*index = NUM_PRESETS;
|
||||
|
||||
/* Read standards from device registers */
|
||||
tvp7002_read_err(sd, TVP7002_L_FRAME_STAT_LSBS, &lpf_lsb, &error);
|
||||
|
@ -702,8 +738,8 @@ static int tvp7002_query_dv_preset(struct v4l2_subdev *sd,
|
|||
progressive = (lpf_msb & TVP7002_INPR_MASK) >> TVP7002_IP_SHIFT;
|
||||
|
||||
/* Do checking of video modes */
|
||||
for (index = 0; index < NUM_PRESETS; index++, presets++)
|
||||
if (lpfr == presets->lines_per_frame &&
|
||||
for (*index = 0; *index < NUM_PRESETS; (*index)++, presets++)
|
||||
if (lpfr == presets->lines_per_frame &&
|
||||
progressive == presets->progressive) {
|
||||
if (presets->cpl_min == 0xffff)
|
||||
break;
|
||||
|
@ -711,17 +747,42 @@ static int tvp7002_query_dv_preset(struct v4l2_subdev *sd,
|
|||
break;
|
||||
}
|
||||
|
||||
if (index == NUM_PRESETS) {
|
||||
if (*index == NUM_PRESETS) {
|
||||
v4l2_dbg(1, debug, sd, "detection failed: lpf = %x, cpl = %x\n",
|
||||
lpfr, cpln);
|
||||
return 0;
|
||||
return -ENOLINK;
|
||||
}
|
||||
|
||||
/* Set values in found preset */
|
||||
qpreset->preset = presets->preset;
|
||||
|
||||
/* Update lines per frame and clocks per line info */
|
||||
v4l2_dbg(1, debug, sd, "detected preset: %d\n", presets->preset);
|
||||
v4l2_dbg(1, debug, sd, "detected preset: %d\n", *index);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int tvp7002_query_dv_preset(struct v4l2_subdev *sd,
|
||||
struct v4l2_dv_preset *qpreset)
|
||||
{
|
||||
int index;
|
||||
int err = tvp7002_query_dv(sd, &index);
|
||||
|
||||
if (err || index == NUM_PRESETS) {
|
||||
qpreset->preset = V4L2_DV_INVALID;
|
||||
if (err == -ENOLINK)
|
||||
err = 0;
|
||||
return err;
|
||||
}
|
||||
qpreset->preset = tvp7002_presets[index].preset;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int tvp7002_query_dv_timings(struct v4l2_subdev *sd,
|
||||
struct v4l2_dv_timings *timings)
|
||||
{
|
||||
int index;
|
||||
int err = tvp7002_query_dv(sd, &index);
|
||||
|
||||
if (err)
|
||||
return err;
|
||||
*timings = tvp7002_presets[index].timings;
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
@ -891,6 +952,17 @@ static int tvp7002_enum_dv_presets(struct v4l2_subdev *sd,
|
|||
return v4l_fill_dv_preset_info(tvp7002_presets[preset->index].preset, preset);
|
||||
}
|
||||
|
||||
static int tvp7002_enum_dv_timings(struct v4l2_subdev *sd,
|
||||
struct v4l2_enum_dv_timings *timings)
|
||||
{
|
||||
/* Check requested format index is within range */
|
||||
if (timings->index >= NUM_PRESETS)
|
||||
return -EINVAL;
|
||||
|
||||
timings->timings = tvp7002_presets[timings->index].timings;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static const struct v4l2_ctrl_ops tvp7002_ctrl_ops = {
|
||||
.s_ctrl = tvp7002_s_ctrl,
|
||||
};
|
||||
|
@ -917,6 +989,10 @@ static const struct v4l2_subdev_video_ops tvp7002_video_ops = {
|
|||
.enum_dv_presets = tvp7002_enum_dv_presets,
|
||||
.s_dv_preset = tvp7002_s_dv_preset,
|
||||
.query_dv_preset = tvp7002_query_dv_preset,
|
||||
.g_dv_timings = tvp7002_g_dv_timings,
|
||||
.s_dv_timings = tvp7002_s_dv_timings,
|
||||
.enum_dv_timings = tvp7002_enum_dv_timings,
|
||||
.query_dv_timings = tvp7002_query_dv_timings,
|
||||
.s_stream = tvp7002_s_stream,
|
||||
.g_mbus_fmt = tvp7002_mbus_fmt,
|
||||
.try_mbus_fmt = tvp7002_mbus_fmt,
|
||||
|
|
Loading…
Add table
Reference in a new issue