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media: i2c: ov5647: Add test pattern control

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This adds V4L2_CID_TEST_PATTERN control support.

Signed-off-by: Valentine Barshak <valentine.barshak@cogentembedded.com>
Signed-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Reviewed-by: Tommaso Merciai <tomm.merciai@gmail.com>
Reviewed-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
This commit is contained in:
Valentine Barshak 2023-02-21 18:10:47 +01:00 committed by Mauro Carvalho Chehab
parent 32fceaa6b7
commit ca4331bd0d
1 changed files with 25 additions and 1 deletions
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26
drivers/media/i2c/ov5647.c
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@ -58,6 +58,7 @@
#define OV5647_REG_MIPI_CTRL00 0x4800
#define OV5647_REG_MIPI_CTRL14 0x4814
#define OV5647_REG_AWB 0x5001
#define OV5647_REG_ISPCTRL3D 0x503d
#define REG_TERM 0xfffe
#define VAL_TERM 0xfe
@ -116,6 +117,20 @@ static inline struct ov5647 *to_sensor(struct v4l2_subdev *sd)
return container_of(sd, struct ov5647, sd);
}
static const char * const ov5647_test_pattern_menu[] = {
"Disabled",
"Color Bars",
"Color Squares",
"Random Data",
};
static const u8 ov5647_test_pattern_val[] = {
0x00, /* Disabled */
0x80, /* Color Bars */
0x82, /* Color Squares */
0x81, /* Random Data */
};
static const struct regval_list sensor_oe_disable_regs[] = {
{0x3000, 0x00},
{0x3001, 0x00},
@ -1242,6 +1257,10 @@ static int ov5647_s_ctrl(struct v4l2_ctrl *ctrl)
ret = ov5647_write16(sd, OV5647_REG_VTS_HI,
sensor->mode->format.height + ctrl->val);
break;
case V4L2_CID_TEST_PATTERN:
ret = ov5647_write(sd, OV5647_REG_ISPCTRL3D,
ov5647_test_pattern_val[ctrl->val]);
break;
/* Read-only, but we adjust it based on mode. */
case V4L2_CID_PIXEL_RATE:
@ -1270,7 +1289,7 @@ static int ov5647_init_controls(struct ov5647 *sensor)
struct i2c_client *client = v4l2_get_subdevdata(&sensor->sd);
int hblank, exposure_max, exposure_def;
v4l2_ctrl_handler_init(&sensor->ctrls, 8);
v4l2_ctrl_handler_init(&sensor->ctrls, 9);
v4l2_ctrl_new_std(&sensor->ctrls, &ov5647_ctrl_ops,
V4L2_CID_AUTOGAIN, 0, 1, 1, 0);
@ -1314,6 +1333,11 @@ static int ov5647_init_controls(struct ov5647 *sensor)
sensor->mode->vts -
sensor->mode->format.height);
v4l2_ctrl_new_std_menu_items(&sensor->ctrls, &ov5647_ctrl_ops,
V4L2_CID_TEST_PATTERN,
ARRAY_SIZE(ov5647_test_pattern_menu) - 1,
0, 0, ov5647_test_pattern_menu);
if (sensor->ctrls.error)
goto handler_free;