Commit a58df1f9 authored by Manivannan Sadhasivam's avatar Manivannan Sadhasivam Committed by Mauro Carvalho Chehab
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media: i2c: imx290: Add support for test pattern generation 



Add support for generating following test patterns by IMX290:

* Sequence Pattern 1
* Horizontal Color-bar Chart
* Vertical Color-bar Chart
* Sequence Pattern 2
* Gradation Pattern 1
* Gradation Pattern 2
* 000/555h Toggle Pattern

Signed-off-by: default avatarManivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: default avatarAndrey Konovalov <andrey.konovalov@linaro.org>
Signed-off-by: default avatarSakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab+huawei@kernel.org>
parent 98e0500e

drivers/media/i2c/imx290.c

+40 −1
Original line number Diff line number Diff line
@@ -26,12 +26,19 @@ 
#define IMX290_REGHOLD 0x3001

#define IMX290_XMSTA 0x3002

#define IMX290_FR_FDG_SEL 0x3009

#define IMX290_BLKLEVEL_LOW 0x300a

#define IMX290_BLKLEVEL_HIGH 0x300b

#define IMX290_GAIN 0x3014

#define IMX290_HMAX_LOW 0x301c

#define IMX290_HMAX_HIGH 0x301d

#define IMX290_PGCTRL 0x308c

#define IMX290_PHY_LANE_NUM 0x3407

#define IMX290_CSI_LANE_MODE 0x3443



#define IMX290_PGCTRL_REGEN BIT(0)

#define IMX290_PGCTRL_THRU BIT(1)

#define IMX290_PGCTRL_MODE(n) ((n) << 4)



static const char * const imx290_supply_name[] = {

	"vdda",

	"vddd",
@@ -91,6 +98,17 @@ static const struct regmap_config imx290_regmap_config = { 
	.cache_type = REGCACHE_RBTREE,

};



static const char * const imx290_test_pattern_menu[] = {

	"Disabled",

	"Sequence Pattern 1",

	"Horizontal Color-bar Chart",

	"Vertical Color-bar Chart",

	"Sequence Pattern 2",

	"Gradation Pattern 1",

	"Gradation Pattern 2",

	"000/555h Toggle Pattern",

};



static const struct imx290_regval imx290_global_init_settings[] = {

	{ 0x3007, 0x00 },

	{ 0x3018, 0x65 },
@@ -448,6 +466,22 @@ static int imx290_set_ctrl(struct v4l2_ctrl *ctrl) 
	case V4L2_CID_GAIN:

		ret = imx290_set_gain(imx290, ctrl->val);

		break;

	case V4L2_CID_TEST_PATTERN:

		if (ctrl->val) {

			imx290_write_reg(imx290, IMX290_BLKLEVEL_LOW, 0x00);

			imx290_write_reg(imx290, IMX290_BLKLEVEL_HIGH, 0x00);

			msleep(10);

			imx290_write_reg(imx290, IMX290_PGCTRL,

					 (u8)(IMX290_PGCTRL_REGEN |

					 IMX290_PGCTRL_THRU |

					 IMX290_PGCTRL_MODE(ctrl->val)));

		} else {

			imx290_write_reg(imx290, IMX290_PGCTRL, 0x00);

			msleep(10);

			imx290_write_reg(imx290, IMX290_BLKLEVEL_LOW, 0x3c);

			imx290_write_reg(imx290, IMX290_BLKLEVEL_HIGH, 0x00);

		}

		break;

	default:

		ret = -EINVAL;

		break;
@@ -959,7 +993,7 @@ static int imx290_probe(struct i2c_client *client) 
	 */

	imx290_entity_init_cfg(&imx290->sd, NULL);



	v4l2_ctrl_handler_init(&imx290->ctrls, 3);

	v4l2_ctrl_handler_init(&imx290->ctrls, 4);



	v4l2_ctrl_new_std(&imx290->ctrls, &imx290_ctrl_ops,

			  V4L2_CID_GAIN, 0, 72, 1, 0);
@@ -977,6 +1011,11 @@ static int imx290_probe(struct i2c_client *client) 
					       1, INT_MAX, 1,

					       imx290_calc_pixel_rate(imx290));



	v4l2_ctrl_new_std_menu_items(&imx290->ctrls, &imx290_ctrl_ops,

				     V4L2_CID_TEST_PATTERN,

				     ARRAY_SIZE(imx290_test_pattern_menu) - 1,

				     0, 0, imx290_test_pattern_menu);



	imx290->sd.ctrl_handler = &imx290->ctrls;



	if (imx290->ctrls.error) {