drivers/media/i2c/imx334.c | 57 +++++++++++++++++++++++++++++++++++++- 1 file changed, 56 insertions(+), 1 deletion(-)
From: Shravan Chippa <shravan.chippa@microchip.com>
Add support for the imx334's test pattern generator.
By default the test pattern generator is disabled, so add support for
enabling and disabling horizontal and vertical colour bars.
Signed-off-by: Shravan Chippa <shravan.chippa@microchip.com>
---
drivers/media/i2c/imx334.c | 57 +++++++++++++++++++++++++++++++++++++-
1 file changed, 56 insertions(+), 1 deletion(-)
diff --git a/drivers/media/i2c/imx334.c b/drivers/media/i2c/imx334.c
index d722c9b7cd31..91c79af70734 100644
--- a/drivers/media/i2c/imx334.c
+++ b/drivers/media/i2c/imx334.c
@@ -56,6 +56,24 @@
#define IMX334_REG_MIN 0x00
#define IMX334_REG_MAX 0xfffff
+/* Test Pattern Control */
+#define IMX334_REG_TP 0x329e
+#define IMX334_TP_COLOR_HBARS 0xA
+#define IMX334_TP_COLOR_VBARS 0xB
+
+#define IMX334_TPG_EN_DOUT 0x329c
+#define IMX334_TP_ENABLE 0x1
+#define IMX334_TP_DISABLE 0x0
+
+#define IMX334_TPG_COLORW 0x32a0
+#define IMX334_TPG_COLORW_120P 0x13
+
+#define IMX334_TP_CLK_EN 0x3148
+#define IMX334_TP_CLK_EN_VAL 0x10
+#define IMX334_TP_CLK_DIS_VAL 0x0
+
+#define IMX334_DIG_CLP_MODE 0x3280
+
/**
* struct imx334_reg - imx334 sensor register
* @address: Register address
@@ -430,6 +448,18 @@ static const struct imx334_reg mode_3840x2160_regs[] = {
{0x3a29, 0x00},
};
+static const char * const imx334_test_pattern_menu[] = {
+ "Disabled",
+ "Vertical Color Bars",
+ "Horizontal Color Bars",
+};
+
+static const int imx334_test_pattern_val[] = {
+ IMX334_TP_DISABLE,
+ IMX334_TP_COLOR_HBARS,
+ IMX334_TP_COLOR_VBARS,
+};
+
static const struct imx334_reg raw10_framefmt_regs[] = {
{0x3050, 0x00},
{0x319d, 0x00},
@@ -716,6 +746,26 @@ static int imx334_set_ctrl(struct v4l2_ctrl *ctrl)
case V4L2_CID_HBLANK:
ret = 0;
break;
+ case V4L2_CID_TEST_PATTERN:
+ if (ctrl->val) {
+ imx334_write_reg(imx334, IMX334_TP_CLK_EN, 1,
+ IMX334_TP_CLK_EN_VAL);
+ imx334_write_reg(imx334, IMX334_DIG_CLP_MODE, 1, 0x0);
+ imx334_write_reg(imx334, IMX334_TPG_COLORW, 1,
+ IMX334_TPG_COLORW_120P);
+ imx334_write_reg(imx334, IMX334_REG_TP, 1,
+ imx334_test_pattern_val[ctrl->val]);
+ imx334_write_reg(imx334, IMX334_TPG_EN_DOUT, 1,
+ IMX334_TP_ENABLE);
+ } else {
+ imx334_write_reg(imx334, IMX334_DIG_CLP_MODE, 1, 0x1);
+ imx334_write_reg(imx334, IMX334_TP_CLK_EN, 1,
+ IMX334_TP_CLK_DIS_VAL);
+ imx334_write_reg(imx334, IMX334_TPG_EN_DOUT, 1,
+ IMX334_TP_DISABLE);
+ }
+ ret = 0;
+ break;
default:
dev_err(imx334->dev, "Invalid control %d", ctrl->id);
ret = -EINVAL;
@@ -1222,7 +1272,7 @@ static int imx334_init_controls(struct imx334 *imx334)
u32 lpfr;
int ret;
- ret = v4l2_ctrl_handler_init(ctrl_hdlr, 6);
+ ret = v4l2_ctrl_handler_init(ctrl_hdlr, 7);
if (ret)
return ret;
@@ -1282,6 +1332,11 @@ static int imx334_init_controls(struct imx334 *imx334)
if (imx334->hblank_ctrl)
imx334->hblank_ctrl->flags |= V4L2_CTRL_FLAG_READ_ONLY;
+ v4l2_ctrl_new_std_menu_items(ctrl_hdlr, &imx334_ctrl_ops,
+ V4L2_CID_TEST_PATTERN,
+ ARRAY_SIZE(imx334_test_pattern_menu) - 1,
+ 0, 0, imx334_test_pattern_menu);
+
if (ctrl_hdlr->error) {
dev_err(imx334->dev, "control init failed: %d",
ctrl_hdlr->error);
--
2.34.1On Fri, 2023-08-04 at 20:45 +0530, shravan kumar wrote:
> From: Shravan Chippa <shravan.chippa@microchip.com>
>
> Add support for the imx334's test pattern generator.
> By default the test pattern generator is disabled, so add support for
> enabling and disabling horizontal and vertical colour bars.
>
> Signed-off-by: Shravan Chippa <shravan.chippa@microchip.com>
> ---
> drivers/media/i2c/imx334.c | 57 +++++++++++++++++++++++++++++++++++++-
> 1 file changed, 56 insertions(+), 1 deletion(-)
Acked-by: Daniele Alessandrelli <daniele.alessandrelli@intel.com>
>
> diff --git a/drivers/media/i2c/imx334.c b/drivers/media/i2c/imx334.c
> index d722c9b7cd31..91c79af70734 100644
> --- a/drivers/media/i2c/imx334.c
> +++ b/drivers/media/i2c/imx334.c
> @@ -56,6 +56,24 @@
> #define IMX334_REG_MIN 0x00
> #define IMX334_REG_MAX 0xfffff
>
> +/* Test Pattern Control */
> +#define IMX334_REG_TP 0x329e
> +#define IMX334_TP_COLOR_HBARS 0xA
> +#define IMX334_TP_COLOR_VBARS 0xB
> +
> +#define IMX334_TPG_EN_DOUT 0x329c
> +#define IMX334_TP_ENABLE 0x1
> +#define IMX334_TP_DISABLE 0x0
> +
> +#define IMX334_TPG_COLORW 0x32a0
> +#define IMX334_TPG_COLORW_120P 0x13
> +
> +#define IMX334_TP_CLK_EN 0x3148
> +#define IMX334_TP_CLK_EN_VAL 0x10
> +#define IMX334_TP_CLK_DIS_VAL 0x0
> +
> +#define IMX334_DIG_CLP_MODE 0x3280
> +
> /**
> * struct imx334_reg - imx334 sensor register
> * @address: Register address
> @@ -430,6 +448,18 @@ static const struct imx334_reg mode_3840x2160_regs[] = {
> {0x3a29, 0x00},
> };
>
> +static const char * const imx334_test_pattern_menu[] = {
> + "Disabled",
> + "Vertical Color Bars",
> + "Horizontal Color Bars",
> +};
> +
> +static const int imx334_test_pattern_val[] = {
> + IMX334_TP_DISABLE,
> + IMX334_TP_COLOR_HBARS,
> + IMX334_TP_COLOR_VBARS,
> +};
> +
> static const struct imx334_reg raw10_framefmt_regs[] = {
> {0x3050, 0x00},
> {0x319d, 0x00},
> @@ -716,6 +746,26 @@ static int imx334_set_ctrl(struct v4l2_ctrl *ctrl)
> case V4L2_CID_HBLANK:
> ret = 0;
> break;
> + case V4L2_CID_TEST_PATTERN:
> + if (ctrl->val) {
> + imx334_write_reg(imx334, IMX334_TP_CLK_EN, 1,
> + IMX334_TP_CLK_EN_VAL);
> + imx334_write_reg(imx334, IMX334_DIG_CLP_MODE, 1, 0x0);
> + imx334_write_reg(imx334, IMX334_TPG_COLORW, 1,
> + IMX334_TPG_COLORW_120P);
> + imx334_write_reg(imx334, IMX334_REG_TP, 1,
> + imx334_test_pattern_val[ctrl->val]);
> + imx334_write_reg(imx334, IMX334_TPG_EN_DOUT, 1,
> + IMX334_TP_ENABLE);
> + } else {
> + imx334_write_reg(imx334, IMX334_DIG_CLP_MODE, 1, 0x1);
> + imx334_write_reg(imx334, IMX334_TP_CLK_EN, 1,
> + IMX334_TP_CLK_DIS_VAL);
> + imx334_write_reg(imx334, IMX334_TPG_EN_DOUT, 1,
> + IMX334_TP_DISABLE);
> + }
> + ret = 0;
> + break;
> default:
> dev_err(imx334->dev, "Invalid control %d", ctrl->id);
> ret = -EINVAL;
> @@ -1222,7 +1272,7 @@ static int imx334_init_controls(struct imx334 *imx334)
> u32 lpfr;
> int ret;
>
> - ret = v4l2_ctrl_handler_init(ctrl_hdlr, 6);
> + ret = v4l2_ctrl_handler_init(ctrl_hdlr, 7);
> if (ret)
> return ret;
>
> @@ -1282,6 +1332,11 @@ static int imx334_init_controls(struct imx334 *imx334)
> if (imx334->hblank_ctrl)
> imx334->hblank_ctrl->flags |= V4L2_CTRL_FLAG_READ_ONLY;
>
> + v4l2_ctrl_new_std_menu_items(ctrl_hdlr, &imx334_ctrl_ops,
> + V4L2_CID_TEST_PATTERN,
> + ARRAY_SIZE(imx334_test_pattern_menu) - 1,
> + 0, 0, imx334_test_pattern_menu);
> +
> if (ctrl_hdlr->error) {
> dev_err(imx334->dev, "control init failed: %d",
> ctrl_hdlr->error);
Hi,
Gentle ping!
Thanks,
Shravan
> -----Original Message-----
> From: shravan kumar <shravan.chippa@microchip.com>
> Sent: Friday, August 4, 2023 8:46 PM
> To: paul.j.murphy@intel.com; daniele.alessandrelli@intel.com;
> mchehab@kernel.org
> Cc: sakari.ailus@iki.fi; linux-media@vger.kernel.org; linux-
> kernel@vger.kernel.org; shravan Chippa - I35088
> <Shravan.Chippa@microchip.com>
> Subject: [PATCH v2] media: i2c: imx334: add support for test pattern
> generator
>
> From: Shravan Chippa <shravan.chippa@microchip.com>
>
> Add support for the imx334's test pattern generator.
> By default the test pattern generator is disabled, so add support for enabling
> and disabling horizontal and vertical colour bars.
>
> Signed-off-by: Shravan Chippa <shravan.chippa@microchip.com>
> ---
> drivers/media/i2c/imx334.c | 57
> +++++++++++++++++++++++++++++++++++++-
> 1 file changed, 56 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/media/i2c/imx334.c b/drivers/media/i2c/imx334.c index
> d722c9b7cd31..91c79af70734 100644
> --- a/drivers/media/i2c/imx334.c
> +++ b/drivers/media/i2c/imx334.c
> @@ -56,6 +56,24 @@
> #define IMX334_REG_MIN 0x00
> #define IMX334_REG_MAX 0xfffff
>
> +/* Test Pattern Control */
> +#define IMX334_REG_TP 0x329e
> +#define IMX334_TP_COLOR_HBARS 0xA
> +#define IMX334_TP_COLOR_VBARS 0xB
> +
> +#define IMX334_TPG_EN_DOUT 0x329c
> +#define IMX334_TP_ENABLE 0x1
> +#define IMX334_TP_DISABLE 0x0
> +
> +#define IMX334_TPG_COLORW 0x32a0
> +#define IMX334_TPG_COLORW_120P 0x13
> +
> +#define IMX334_TP_CLK_EN 0x3148
> +#define IMX334_TP_CLK_EN_VAL 0x10
> +#define IMX334_TP_CLK_DIS_VAL 0x0
> +
> +#define IMX334_DIG_CLP_MODE 0x3280
> +
> /**
> * struct imx334_reg - imx334 sensor register
> * @address: Register address
> @@ -430,6 +448,18 @@ static const struct imx334_reg
> mode_3840x2160_regs[] = {
> {0x3a29, 0x00},
> };
>
> +static const char * const imx334_test_pattern_menu[] = {
> + "Disabled",
> + "Vertical Color Bars",
> + "Horizontal Color Bars",
> +};
> +
> +static const int imx334_test_pattern_val[] = {
> + IMX334_TP_DISABLE,
> + IMX334_TP_COLOR_HBARS,
> + IMX334_TP_COLOR_VBARS,
> +};
> +
> static const struct imx334_reg raw10_framefmt_regs[] = {
> {0x3050, 0x00},
> {0x319d, 0x00},
> @@ -716,6 +746,26 @@ static int imx334_set_ctrl(struct v4l2_ctrl *ctrl)
> case V4L2_CID_HBLANK:
> ret = 0;
> break;
> + case V4L2_CID_TEST_PATTERN:
> + if (ctrl->val) {
> + imx334_write_reg(imx334, IMX334_TP_CLK_EN, 1,
> + IMX334_TP_CLK_EN_VAL);
> + imx334_write_reg(imx334, IMX334_DIG_CLP_MODE,
> 1, 0x0);
> + imx334_write_reg(imx334, IMX334_TPG_COLORW, 1,
> + IMX334_TPG_COLORW_120P);
> + imx334_write_reg(imx334, IMX334_REG_TP, 1,
> + imx334_test_pattern_val[ctrl->val]);
> + imx334_write_reg(imx334, IMX334_TPG_EN_DOUT,
> 1,
> + IMX334_TP_ENABLE);
> + } else {
> + imx334_write_reg(imx334, IMX334_DIG_CLP_MODE,
> 1, 0x1);
> + imx334_write_reg(imx334, IMX334_TP_CLK_EN, 1,
> + IMX334_TP_CLK_DIS_VAL);
> + imx334_write_reg(imx334, IMX334_TPG_EN_DOUT,
> 1,
> + IMX334_TP_DISABLE);
> + }
> + ret = 0;
> + break;
> default:
> dev_err(imx334->dev, "Invalid control %d", ctrl->id);
> ret = -EINVAL;
> @@ -1222,7 +1272,7 @@ static int imx334_init_controls(struct imx334
> *imx334)
> u32 lpfr;
> int ret;
>
> - ret = v4l2_ctrl_handler_init(ctrl_hdlr, 6);
> + ret = v4l2_ctrl_handler_init(ctrl_hdlr, 7);
> if (ret)
> return ret;
>
> @@ -1282,6 +1332,11 @@ static int imx334_init_controls(struct imx334
> *imx334)
> if (imx334->hblank_ctrl)
> imx334->hblank_ctrl->flags |= V4L2_CTRL_FLAG_READ_ONLY;
>
> + v4l2_ctrl_new_std_menu_items(ctrl_hdlr, &imx334_ctrl_ops,
> + V4L2_CID_TEST_PATTERN,
> + ARRAY_SIZE(imx334_test_pattern_menu) -
> 1,
> + 0, 0, imx334_test_pattern_menu);
> +
> if (ctrl_hdlr->error) {
> dev_err(imx334->dev, "control init failed: %d",
> ctrl_hdlr->error);
> --
> 2.34.1
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