diff options
| author | Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> | 2020-06-12 16:53:51 +0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab+huawei@kernel.org> | 2020-06-23 16:17:46 +0300 |
| commit | a58df1f9e4885eaf3d0663574a217e513821a9f0 (patch) | |
| tree | e0b370b0ee6aca568a31708ba6fa3dbeed65d71c /drivers/media/i2c/imx290.c | |
| parent | 98e0500eadb772e1be32d8e369fcc3b7bcac93ed (diff) | |
| download | linux-a58df1f9e4885eaf3d0663574a217e513821a9f0.tar.xz | |
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: 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>
Diffstat (limited to 'drivers/media/i2c/imx290.c')
| -rw-r--r-- | drivers/media/i2c/imx290.c | 41 |
1 files changed, 40 insertions, 1 deletions
diff --git a/drivers/media/i2c/imx290.c b/drivers/media/i2c/imx290.c index 152b65cb7cbc..67725a5aabd3 100644 --- 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_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) { |