| From f1a8ae8064a65846489386fe95790900fb150242 Mon Sep 17 00:00:00 2001 |
| From: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> |
| Date: Fri, 12 Jun 2020 15:53:51 +0200 |
| Subject: [PATCH] media: i2c: imx290: Add support for test pattern |
| generation |
| |
| Commit a58df1f9e4885eaf3d0663574a217e513821a9f0 upstream. |
| |
| 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: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> |
| Signed-off-by: Andrey Konovalov <andrey.konovalov@linaro.org> |
| Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> |
| Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> |
| --- |
| drivers/media/i2c/imx290.c | 41 +++++++++++++++++++++++++++++++++++++- |
| 1 file changed, 40 insertions(+), 1 deletion(-) |
| |
| --- a/drivers/media/i2c/imx290.c |
| +++ b/drivers/media/i2c/imx290.c |
| @@ -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 |
| .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_c |
| 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_clien |
| */ |
| 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_clien |
| 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) { |