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111 lines
3.4 KiB
Diff
111 lines
3.4 KiB
Diff
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From f1a8ae8064a65846489386fe95790900fb150242 Mon Sep 17 00:00:00 2001
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From: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
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Date: Fri, 12 Jun 2020 15:53:51 +0200
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Subject: [PATCH] media: i2c: imx290: Add support for test pattern
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generation
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Commit a58df1f9e4885eaf3d0663574a217e513821a9f0 upstream.
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Add support for generating following test patterns by IMX290:
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* Sequence Pattern 1
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* Horizontal Color-bar Chart
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* Vertical Color-bar Chart
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* Sequence Pattern 2
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* Gradation Pattern 1
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* Gradation Pattern 2
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* 000/555h Toggle Pattern
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Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
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Signed-off-by: Andrey Konovalov <andrey.konovalov@linaro.org>
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Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
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Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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---
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drivers/media/i2c/imx290.c | 41 +++++++++++++++++++++++++++++++++++++-
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1 file changed, 40 insertions(+), 1 deletion(-)
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--- a/drivers/media/i2c/imx290.c
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+++ b/drivers/media/i2c/imx290.c
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@@ -26,12 +26,19 @@
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#define IMX290_REGHOLD 0x3001
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#define IMX290_XMSTA 0x3002
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#define IMX290_FR_FDG_SEL 0x3009
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+#define IMX290_BLKLEVEL_LOW 0x300a
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+#define IMX290_BLKLEVEL_HIGH 0x300b
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#define IMX290_GAIN 0x3014
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#define IMX290_HMAX_LOW 0x301c
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#define IMX290_HMAX_HIGH 0x301d
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+#define IMX290_PGCTRL 0x308c
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#define IMX290_PHY_LANE_NUM 0x3407
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#define IMX290_CSI_LANE_MODE 0x3443
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+#define IMX290_PGCTRL_REGEN BIT(0)
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+#define IMX290_PGCTRL_THRU BIT(1)
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+#define IMX290_PGCTRL_MODE(n) ((n) << 4)
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+
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static const char * const imx290_supply_name[] = {
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"vdda",
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"vddd",
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@@ -91,6 +98,17 @@ static const struct regmap_config imx290
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.cache_type = REGCACHE_RBTREE,
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};
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+static const char * const imx290_test_pattern_menu[] = {
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+ "Disabled",
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+ "Sequence Pattern 1",
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+ "Horizontal Color-bar Chart",
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+ "Vertical Color-bar Chart",
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+ "Sequence Pattern 2",
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+ "Gradation Pattern 1",
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+ "Gradation Pattern 2",
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+ "000/555h Toggle Pattern",
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+};
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+
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static const struct imx290_regval imx290_global_init_settings[] = {
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{ 0x3007, 0x00 },
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{ 0x3018, 0x65 },
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@@ -448,6 +466,22 @@ static int imx290_set_ctrl(struct v4l2_c
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case V4L2_CID_GAIN:
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ret = imx290_set_gain(imx290, ctrl->val);
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break;
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+ case V4L2_CID_TEST_PATTERN:
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+ if (ctrl->val) {
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+ imx290_write_reg(imx290, IMX290_BLKLEVEL_LOW, 0x00);
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+ imx290_write_reg(imx290, IMX290_BLKLEVEL_HIGH, 0x00);
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+ msleep(10);
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+ imx290_write_reg(imx290, IMX290_PGCTRL,
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+ (u8)(IMX290_PGCTRL_REGEN |
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+ IMX290_PGCTRL_THRU |
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+ IMX290_PGCTRL_MODE(ctrl->val)));
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+ } else {
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+ imx290_write_reg(imx290, IMX290_PGCTRL, 0x00);
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+ msleep(10);
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+ imx290_write_reg(imx290, IMX290_BLKLEVEL_LOW, 0x3c);
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+ imx290_write_reg(imx290, IMX290_BLKLEVEL_HIGH, 0x00);
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+ }
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+ break;
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default:
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ret = -EINVAL;
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break;
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@@ -959,7 +993,7 @@ static int imx290_probe(struct i2c_clien
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*/
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imx290_entity_init_cfg(&imx290->sd, NULL);
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- v4l2_ctrl_handler_init(&imx290->ctrls, 3);
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+ v4l2_ctrl_handler_init(&imx290->ctrls, 4);
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v4l2_ctrl_new_std(&imx290->ctrls, &imx290_ctrl_ops,
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V4L2_CID_GAIN, 0, 72, 1, 0);
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@@ -977,6 +1011,11 @@ static int imx290_probe(struct i2c_clien
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1, INT_MAX, 1,
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imx290_calc_pixel_rate(imx290));
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+ v4l2_ctrl_new_std_menu_items(&imx290->ctrls, &imx290_ctrl_ops,
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+ V4L2_CID_TEST_PATTERN,
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+ ARRAY_SIZE(imx290_test_pattern_menu) - 1,
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+ 0, 0, imx290_test_pattern_menu);
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+
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imx290->sd.ctrl_handler = &imx290->ctrls;
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if (imx290->ctrls.error) {
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