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media: i2c: imx214: Add test pattern control

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This adds V4L2_CID_TEST_PATTERN control support.

Acked-by: Ricardo Ribalda <ribalda@chromium.org>
Signed-off-by: André Apitzsch <git@apitzsch.eu>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
This commit is contained in:
André Apitzsch
2024-12-20 14:26:10 +01:00
committed by Hans Verkuil
parent f35f7422b9
commit aac37a3a76
1 changed files with 75 additions and 2 deletions
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77
drivers/media/i2c/imx214.c
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@@ -177,6 +177,23 @@
#define IMX214_REG_ATR_FAST_MOVE CCI_REG8(0x9300)
/* Test Pattern Control */
#define IMX214_REG_TEST_PATTERN CCI_REG16(0x0600)
#define IMX214_TEST_PATTERN_DISABLE 0
#define IMX214_TEST_PATTERN_SOLID_COLOR 1
#define IMX214_TEST_PATTERN_COLOR_BARS 2
#define IMX214_TEST_PATTERN_GREY_COLOR 3
#define IMX214_TEST_PATTERN_PN9 4
/* Test pattern colour components */
#define IMX214_REG_TESTP_RED CCI_REG16(0x0602)
#define IMX214_REG_TESTP_GREENR CCI_REG16(0x0604)
#define IMX214_REG_TESTP_BLUE CCI_REG16(0x0606)
#define IMX214_REG_TESTP_GREENB CCI_REG16(0x0608)
#define IMX214_TESTP_COLOUR_MIN 0
#define IMX214_TESTP_COLOUR_MAX 0x03ff
#define IMX214_TESTP_COLOUR_STEP 1
/* IMX214 native and active pixel array size */
#define IMX214_NATIVE_WIDTH 4224U
#define IMX214_NATIVE_HEIGHT 3136U
@@ -209,6 +226,22 @@ static const u32 imx214_mbus_formats[] = {
MEDIA_BUS_FMT_SBGGR10_1X10,
};
static const char * const imx214_test_pattern_menu[] = {
"Disabled",
"Color Bars",
"Solid Color",
"Grey Color Bars",
"PN9"
};
static const int imx214_test_pattern_val[] = {
IMX214_TEST_PATTERN_DISABLE,
IMX214_TEST_PATTERN_COLOR_BARS,
IMX214_TEST_PATTERN_SOLID_COLOR,
IMX214_TEST_PATTERN_GREY_COLOR,
IMX214_TEST_PATTERN_PN9,
};
struct imx214 {
struct device *dev;
struct clk *xclk;
@@ -807,6 +840,26 @@ static int imx214_set_ctrl(struct v4l2_ctrl *ctrl)
cci_write(imx214->regmap, IMX214_REG_FRM_LENGTH_LINES,
format->height + ctrl->val, &ret);
break;
case V4L2_CID_TEST_PATTERN:
cci_write(imx214->regmap, IMX214_REG_TEST_PATTERN,
imx214_test_pattern_val[ctrl->val], &ret);
break;
case V4L2_CID_TEST_PATTERN_RED:
cci_write(imx214->regmap, IMX214_REG_TESTP_RED,
ctrl->val, &ret);
break;
case V4L2_CID_TEST_PATTERN_GREENR:
cci_write(imx214->regmap, IMX214_REG_TESTP_GREENR,
ctrl->val, &ret);
break;
case V4L2_CID_TEST_PATTERN_BLUE:
cci_write(imx214->regmap, IMX214_REG_TESTP_BLUE,
ctrl->val, &ret);
break;
case V4L2_CID_TEST_PATTERN_GREENB:
cci_write(imx214->regmap, IMX214_REG_TESTP_GREENB,
ctrl->val, &ret);
break;
default:
ret = -EINVAL;
}
@@ -834,14 +887,14 @@ static int imx214_ctrls_init(struct imx214 *imx214)
struct v4l2_ctrl_handler *ctrl_hdlr;
int exposure_max, exposure_def;
int hblank;
int ret;
int i, ret;
ret = v4l2_fwnode_device_parse(imx214->dev, &props);
if (ret < 0)
return ret;
ctrl_hdlr = &imx214->ctrls;
ret = v4l2_ctrl_handler_init(&imx214->ctrls, 12);
ret = v4l2_ctrl_handler_init(&imx214->ctrls, 13);
if (ret)
return ret;
@@ -910,6 +963,26 @@ static int imx214_ctrls_init(struct imx214 *imx214)
v4l2_ctrl_cluster(2, &imx214->hflip);
v4l2_ctrl_new_std_menu_items(ctrl_hdlr, &imx214_ctrl_ops,
V4L2_CID_TEST_PATTERN,
ARRAY_SIZE(imx214_test_pattern_menu) - 1,
0, 0, imx214_test_pattern_menu);
for (i = 0; i < 4; i++) {
/*
* The assumption is that
* V4L2_CID_TEST_PATTERN_GREENR == V4L2_CID_TEST_PATTERN_RED + 1
* V4L2_CID_TEST_PATTERN_BLUE == V4L2_CID_TEST_PATTERN_RED + 2
* V4L2_CID_TEST_PATTERN_GREENB == V4L2_CID_TEST_PATTERN_RED + 3
*/
v4l2_ctrl_new_std(ctrl_hdlr, &imx214_ctrl_ops,
V4L2_CID_TEST_PATTERN_RED + i,
IMX214_TESTP_COLOUR_MIN,
IMX214_TESTP_COLOUR_MAX,
IMX214_TESTP_COLOUR_STEP,
IMX214_TESTP_COLOUR_MAX);
/* The "Solid color" pattern is white by default */
}
imx214->unit_size = v4l2_ctrl_new_std_compound(ctrl_hdlr,
NULL,
V4L2_CID_UNIT_CELL_SIZE,