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793f8ab62c
Add kernel patches for version 6.1. Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
135 lines
4.3 KiB
Diff
135 lines
4.3 KiB
Diff
From 98105970373a9e79dcaa4291f2802b1dd9fe909e Mon Sep 17 00:00:00 2001
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From: Dave Stevenson <dave.stevenson@raspberrypi.com>
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Date: Thu, 16 Feb 2023 00:29:57 +0200
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Subject: [PATCH] media: i2c: imx290: Convert V4L2_CID_HBLANK to
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read/write
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Should be upstream commit 8cab2bd86307
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The driver exposed V4L2_CID_HBLANK as a read only control to allow
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for exposure calculations and determination of the frame rate.
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Convert to a read/write control so that the frame rate can be
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controlled.
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Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
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Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Reviewed-by: Alexander Stein <alexander.stein@ew.tq-group.com>
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Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
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---
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drivers/media/i2c/imx290.c | 33 +++++++++++++++++++--------------
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1 file changed, 19 insertions(+), 14 deletions(-)
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--- a/drivers/media/i2c/imx290.c
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+++ b/drivers/media/i2c/imx290.c
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@@ -50,6 +50,7 @@
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#define IMX290_GAIN IMX290_REG_8BIT(0x3014)
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#define IMX290_VMAX IMX290_REG_24BIT(0x3018)
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#define IMX290_HMAX IMX290_REG_16BIT(0x301c)
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+#define IMX290_HMAX_MAX 0xffff
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#define IMX290_SHS1 IMX290_REG_24BIT(0x3020)
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#define IMX290_WINWV_OB IMX290_REG_8BIT(0x303a)
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#define IMX290_WINPV IMX290_REG_16BIT(0x303c)
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@@ -186,7 +187,7 @@ struct imx290_regval {
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struct imx290_mode {
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u32 width;
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u32 height;
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- u32 hmax;
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+ u32 hmax_min;
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u8 link_freq_index;
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const struct imx290_regval *data;
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@@ -429,7 +430,7 @@ static const struct imx290_mode imx290_m
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{
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.width = 1920,
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.height = 1080,
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- .hmax = 2200,
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+ .hmax_min = 2200,
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.link_freq_index = FREQ_INDEX_1080P,
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.data = imx290_1080p_settings,
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.data_size = ARRAY_SIZE(imx290_1080p_settings),
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@@ -437,7 +438,7 @@ static const struct imx290_mode imx290_m
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{
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.width = 1280,
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.height = 720,
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- .hmax = 3300,
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+ .hmax_min = 3300,
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.link_freq_index = FREQ_INDEX_720P,
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.data = imx290_720p_settings,
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.data_size = ARRAY_SIZE(imx290_720p_settings),
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@@ -448,7 +449,7 @@ static const struct imx290_mode imx290_m
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{
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.width = 1920,
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.height = 1080,
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- .hmax = 2200,
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+ .hmax_min = 2200,
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.link_freq_index = FREQ_INDEX_1080P,
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.data = imx290_1080p_settings,
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.data_size = ARRAY_SIZE(imx290_1080p_settings),
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@@ -456,7 +457,7 @@ static const struct imx290_mode imx290_m
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{
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.width = 1280,
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.height = 720,
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- .hmax = 3300,
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+ .hmax_min = 3300,
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.link_freq_index = FREQ_INDEX_720P,
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.data = imx290_720p_settings,
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.data_size = ARRAY_SIZE(imx290_720p_settings),
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@@ -712,6 +713,12 @@ static int imx290_set_ctrl(struct v4l2_c
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}
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break;
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+ case V4L2_CID_HBLANK:
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+ ret = imx290_write(imx290, IMX290_HMAX,
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+ ctrl->val + imx290->current_mode->width,
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+ NULL);
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+ break;
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+
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default:
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ret = -EINVAL;
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break;
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@@ -742,12 +749,14 @@ static void imx290_ctrl_update(struct im
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const struct v4l2_mbus_framefmt *format,
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const struct imx290_mode *mode)
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{
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- unsigned int hblank = mode->hmax - mode->width;
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+ unsigned int hblank_min = mode->hmax_min - mode->width;
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+ unsigned int hblank_max = IMX290_HMAX_MAX - mode->width;
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unsigned int vblank = IMX290_VMAX_DEFAULT - mode->height;
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__v4l2_ctrl_s_ctrl(imx290->link_freq, mode->link_freq_index);
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- __v4l2_ctrl_modify_range(imx290->hblank, hblank, hblank, 1, hblank);
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+ __v4l2_ctrl_modify_range(imx290->hblank, hblank_min, hblank_max, 1,
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+ hblank_min);
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__v4l2_ctrl_modify_range(imx290->vblank, vblank, vblank, 1, vblank);
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}
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@@ -804,10 +813,11 @@ static int imx290_ctrl_init(struct imx29
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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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+ * Actual range will be set from imx290_ctrl_update later in the probe.
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+ */
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imx290->hblank = v4l2_ctrl_new_std(&imx290->ctrls, &imx290_ctrl_ops,
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V4L2_CID_HBLANK, 1, 1, 1, 1);
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- if (imx290->hblank)
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- imx290->hblank->flags |= V4L2_CTRL_FLAG_READ_ONLY;
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imx290->vblank = v4l2_ctrl_new_std(&imx290->ctrls, &imx290_ctrl_ops,
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V4L2_CID_VBLANK, 1, 1, 1, 1);
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@@ -876,11 +886,6 @@ static int imx290_start_streaming(struct
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return ret;
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}
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- ret = imx290_write(imx290, IMX290_HMAX, imx290->current_mode->hmax,
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- NULL);
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- if (ret)
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- return ret;
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-
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/* Apply customized values from user */
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ret = __v4l2_ctrl_handler_setup(imx290->sd.ctrl_handler);
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if (ret) {
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