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openwrt/target/linux/bcm27xx/patches-5.4/950-0873-media-i2c-ov9281-Fixup-for-recent-kernel-releases-an.patch
Álvaro Fernández Rojas f07e572f64 bcm27xx: import latest patches from the RPi foundation 
bcm2708: boot tested on RPi B+ v1.2
bcm2709: boot tested on RPi 3B v1.2 and RPi 4B v1.1 4G
bcm2710: boot tested on RPi 3B v1.2
bcm2711: boot tested on RPi 4B v1.1 4G

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
2021-02-18 23:42:32 +01:00

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From 898198428aa35f52c2b58c037e960dcbcc4ef9d8 Mon Sep 17 00:00:00 2001
From: Dave Stevenson <dave.stevenson@raspberrypi.com>
Date: Tue, 14 Apr 2020 16:12:33 +0100
Subject: [PATCH] media: i2c: ov9281: Fixup for recent kernel
releases, and remove custom code
The Rockchip driver was based on a 4.4 kernel, and had several custom
Rockchip parts.
Update to 5.4 kernel APIs, with the relevant controls required by
libcamera, and remove custom Rockchip parts.
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
---
drivers/media/i2c/Kconfig | 2 +-
drivers/media/i2c/ov9281.c | 361 +++++++++++++------------------------
2 files changed, 123 insertions(+), 240 deletions(-)
--- a/drivers/media/i2c/Kconfig
+++ b/drivers/media/i2c/Kconfig
@@ -857,7 +857,7 @@ config VIDEO_OV9640
config VIDEO_OV9281
tristate "OmniVision OV9281 sensor support"
- depends on I2C && VIDEO_V4L2
+ depends on I2C && VIDEO_V4L2 && VIDEO_V4L2_SUBDEV_API
depends on MEDIA_CAMERA_SUPPORT
help
This is a Video4Linux2 sensor-level driver for the OmniVision
--- a/drivers/media/i2c/ov9281.c
+++ b/drivers/media/i2c/ov9281.c
@@ -1,6 +1,11 @@
// SPDX-License-Identifier: GPL-2.0
/*
- * ov9281 driver
+ * Omnivision OV9281 1280x800 global shutter image sensor driver
+ *
+ * This driver has been taken from
+ * https://github.com/rockchip-linux/kernel/blob/develop-4.4/drivers/media/i2c/ov9281.c
+ * cleaned up, made to compile against mainline kernels instead of the Rockchip
+ * vendor kernel, and the relevant controls added to work with libcamera.
*
* Copyright (C) 2017 Fuzhou Rockchip Electronics Co., Ltd.
* V0.0X01.0X02 fix mclk issue when probe multiple camera.
@@ -17,22 +22,18 @@
#include <linux/regulator/consumer.h>
#include <linux/sysfs.h>
#include <linux/slab.h>
-#include <linux/rk-camera-module.h>
#include <media/media-entity.h>
#include <media/v4l2-async.h>
#include <media/v4l2-ctrls.h>
#include <media/v4l2-subdev.h>
-#include <linux/pinctrl/consumer.h>
-
-#define DRIVER_VERSION KERNEL_VERSION(0, 0x01, 0x3)
-
-#ifndef V4L2_CID_DIGITAL_GAIN
-#define V4L2_CID_DIGITAL_GAIN V4L2_CID_GAIN
-#endif
#define OV9281_LINK_FREQ_400MHZ 400000000
+#define OV9281_LANES 2
+#define OV9281_BITS_PER_SAMPLE 10
+
/* pixel rate = link frequency * 2 * lanes / BITS_PER_SAMPLE */
-#define OV9281_PIXEL_RATE (OV9281_LINK_FREQ_400MHZ * 2 * 2 / 10)
+#define OV9281_PIXEL_RATE (OV9281_LINK_FREQ_400MHZ * 2 * \
+ OV9281_LANES / OV9281_BITS_PER_SAMPLE)
#define OV9281_XVCLK_FREQ 24000000
#define CHIP_ID 0x9281
@@ -63,18 +64,24 @@
#define OV9281_REG_VTS 0x380e
+/*
+ * OV9281 native and active pixel array size.
+ * Datasheet not available to confirm these values, so assume there are no
+ * border pixels.
+ */
+#define OV9281_NATIVE_WIDTH 1280U
+#define OV9281_NATIVE_HEIGHT 800U
+#define OV9281_PIXEL_ARRAY_LEFT 0U
+#define OV9281_PIXEL_ARRAY_TOP 0U
+#define OV9281_PIXEL_ARRAY_WIDTH 1280U
+#define OV9281_PIXEL_ARRAY_HEIGHT 800U
+
#define REG_NULL 0xFFFF
#define OV9281_REG_VALUE_08BIT 1
#define OV9281_REG_VALUE_16BIT 2
#define OV9281_REG_VALUE_24BIT 3
-#define OV9281_LANES 2
-#define OV9281_BITS_PER_SAMPLE 10
-
-#define OF_CAMERA_PINCTRL_STATE_DEFAULT "rockchip,camera_default"
-#define OF_CAMERA_PINCTRL_STATE_SLEEP "rockchip,camera_sleep"
-
#define OV9281_NAME "ov9281"
static const char * const ov9281_supply_names[] = {
@@ -93,10 +100,10 @@ struct regval {
struct ov9281_mode {
u32 width;
u32 height;
- struct v4l2_fract max_fps;
u32 hts_def;
u32 vts_def;
u32 exp_def;
+ struct v4l2_rect crop;
const struct regval *reg_list;
};
@@ -107,10 +114,6 @@ struct ov9281 {
struct gpio_desc *pwdn_gpio;
struct regulator_bulk_data supplies[OV9281_NUM_SUPPLIES];
- struct pinctrl *pinctrl;
- struct pinctrl_state *pins_default;
- struct pinctrl_state *pins_sleep;
-
struct v4l2_subdev subdev;
struct media_pad pad;
struct v4l2_ctrl_handler ctrl_handler;
@@ -124,23 +127,12 @@ struct ov9281 {
bool streaming;
bool power_on;
const struct ov9281_mode *cur_mode;
- u32 module_index;
- const char *module_facing;
- const char *module_name;
- const char *len_name;
};
#define to_ov9281(sd) container_of(sd, struct ov9281, subdev)
/*
* Xclk 24Mhz
- */
-static const struct regval ov9281_global_regs[] = {
- {REG_NULL, 0x00},
-};
-
-/*
- * Xclk 24Mhz
* max_framerate 120fps
* mipi_datarate per lane 800Mbps
*/
@@ -247,13 +239,15 @@ static const struct ov9281_mode supporte
{
.width = 1280,
.height = 800,
- .max_fps = {
- .numerator = 10000,
- .denominator = 1200000,
- },
.exp_def = 0x0320,
- .hts_def = 0x0b60,//0x2d8*4
+ .hts_def = 0x05b0, /* 0x2d8*2 */
.vts_def = 0x038e,
+ .crop = {
+ .left = 0,
+ .top = 0,
+ .width = 1280,
+ .height = 800
+ },
.reg_list = ov9281_1280x800_regs,
},
};
@@ -389,22 +383,28 @@ static int ov9281_set_fmt(struct v4l2_su
fmt->format.width = mode->width;
fmt->format.height = mode->height;
fmt->format.field = V4L2_FIELD_NONE;
+ fmt->format.colorspace = V4L2_COLORSPACE_SRGB;
+ fmt->format.ycbcr_enc =
+ V4L2_MAP_YCBCR_ENC_DEFAULT(fmt->format.colorspace);
+ fmt->format.quantization =
+ V4L2_MAP_QUANTIZATION_DEFAULT(true, fmt->format.colorspace,
+ fmt->format.ycbcr_enc);
+ fmt->format.xfer_func =
+ V4L2_MAP_XFER_FUNC_DEFAULT(fmt->format.colorspace);
+
if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) {
-#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API
*v4l2_subdev_get_try_format(sd, cfg, fmt->pad) = fmt->format;
-#else
- mutex_unlock(&ov9281->mutex);
- return -ENOTTY;
-#endif
} else {
ov9281->cur_mode = mode;
h_blank = mode->hts_def - mode->width;
__v4l2_ctrl_modify_range(ov9281->hblank, h_blank,
h_blank, 1, h_blank);
+ __v4l2_ctrl_s_ctrl(ov9281->hblank, h_blank);
vblank_def = mode->vts_def - mode->height;
__v4l2_ctrl_modify_range(ov9281->vblank, vblank_def,
OV9281_VTS_MAX - mode->height,
1, vblank_def);
+ __v4l2_ctrl_s_ctrl(ov9281->vblank, vblank_def);
}
mutex_unlock(&ov9281->mutex);
@@ -421,17 +421,21 @@ static int ov9281_get_fmt(struct v4l2_su
mutex_lock(&ov9281->mutex);
if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) {
-#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API
fmt->format = *v4l2_subdev_get_try_format(sd, cfg, fmt->pad);
-#else
- mutex_unlock(&ov9281->mutex);
- return -ENOTTY;
-#endif
} else {
fmt->format.width = mode->width;
fmt->format.height = mode->height;
fmt->format.code = MEDIA_BUS_FMT_Y10_1X10;
fmt->format.field = V4L2_FIELD_NONE;
+ fmt->format.colorspace = V4L2_COLORSPACE_SRGB;
+ fmt->format.ycbcr_enc =
+ V4L2_MAP_YCBCR_ENC_DEFAULT(fmt->format.colorspace);
+ fmt->format.quantization =
+ V4L2_MAP_QUANTIZATION_DEFAULT(true,
+ fmt->format.colorspace,
+ fmt->format.ycbcr_enc);
+ fmt->format.xfer_func =
+ V4L2_MAP_XFER_FUNC_DEFAULT(fmt->format.colorspace);
}
mutex_unlock(&ov9281->mutex);
@@ -442,7 +446,7 @@ static int ov9281_enum_mbus_code(struct
struct v4l2_subdev_pad_config *cfg,
struct v4l2_subdev_mbus_code_enum *code)
{
- if (code->index != 0)
+ if (code->index)
return -EINVAL;
code->code = MEDIA_BUS_FMT_Y10_1X10;
@@ -480,88 +484,56 @@ static int ov9281_enable_test_pattern(st
OV9281_REG_VALUE_08BIT, val);
}
-static int OV9281_g_frame_interval(struct v4l2_subdev *sd,
- struct v4l2_subdev_frame_interval *fi)
-{
- struct ov9281 *ov9281 = to_ov9281(sd);
- const struct ov9281_mode *mode = ov9281->cur_mode;
-
- mutex_lock(&ov9281->mutex);
- fi->interval = mode->max_fps;
- mutex_unlock(&ov9281->mutex);
+static const struct v4l2_rect *
+__ov9281_get_pad_crop(struct ov9281 *ov9281, struct v4l2_subdev_pad_config *cfg,
+ unsigned int pad, enum v4l2_subdev_format_whence which)
+{
+ switch (which) {
+ case V4L2_SUBDEV_FORMAT_TRY:
+ return v4l2_subdev_get_try_crop(&ov9281->subdev, cfg, pad);
+ case V4L2_SUBDEV_FORMAT_ACTIVE:
+ return &ov9281->cur_mode->crop;
+ }
- return 0;
+ return NULL;
}
-static void ov9281_get_module_inf(struct ov9281 *ov9281,
- struct rkmodule_inf *inf)
+static int ov9281_get_selection(struct v4l2_subdev *sd,
+ struct v4l2_subdev_pad_config *cfg,
+ struct v4l2_subdev_selection *sel)
{
- memset(inf, 0, sizeof(*inf));
- strlcpy(inf->base.sensor, OV9281_NAME, sizeof(inf->base.sensor));
- strlcpy(inf->base.module, ov9281->module_name,
- sizeof(inf->base.module));
- strlcpy(inf->base.lens, ov9281->len_name, sizeof(inf->base.lens));
-}
+ switch (sel->target) {
+ case V4L2_SEL_TGT_CROP: {
+ struct ov9281 *ov9281 = to_ov9281(sd);
-static long ov9281_ioctl(struct v4l2_subdev *sd, unsigned int cmd, void *arg)
-{
- struct ov9281 *ov9281 = to_ov9281(sd);
- long ret = 0;
+ mutex_lock(&ov9281->mutex);
+ sel->r = *__ov9281_get_pad_crop(ov9281, cfg, sel->pad,
+ sel->which);
+ mutex_unlock(&ov9281->mutex);
- switch (cmd) {
- case RKMODULE_GET_MODULE_INFO:
- ov9281_get_module_inf(ov9281, (struct rkmodule_inf *)arg);
- break;
- default:
- ret = -ENOIOCTLCMD;
- break;
+ return 0;
}
- return ret;
-}
+ case V4L2_SEL_TGT_NATIVE_SIZE:
+ sel->r.top = 0;
+ sel->r.left = 0;
+ sel->r.width = OV9281_NATIVE_WIDTH;
+ sel->r.height = OV9281_NATIVE_HEIGHT;
-#ifdef CONFIG_COMPAT
-static long ov9281_compat_ioctl32(struct v4l2_subdev *sd,
- unsigned int cmd, unsigned long arg)
-{
- void __user *up = compat_ptr(arg);
- struct rkmodule_inf *inf;
- struct rkmodule_awb_cfg *cfg;
- long ret;
-
- switch (cmd) {
- case RKMODULE_GET_MODULE_INFO:
- inf = kzalloc(sizeof(*inf), GFP_KERNEL);
- if (!inf) {
- ret = -ENOMEM;
- return ret;
- }
+ return 0;
- ret = ov9281_ioctl(sd, cmd, inf);
- if (!ret)
- ret = copy_to_user(up, inf, sizeof(*inf));
- kfree(inf);
- break;
- case RKMODULE_AWB_CFG:
- cfg = kzalloc(sizeof(*cfg), GFP_KERNEL);
- if (!cfg) {
- ret = -ENOMEM;
- return ret;
- }
+ case V4L2_SEL_TGT_CROP_DEFAULT:
+ case V4L2_SEL_TGT_CROP_BOUNDS:
+ sel->r.top = OV9281_PIXEL_ARRAY_TOP;
+ sel->r.left = OV9281_PIXEL_ARRAY_LEFT;
+ sel->r.width = OV9281_PIXEL_ARRAY_WIDTH;
+ sel->r.height = OV9281_PIXEL_ARRAY_HEIGHT;
- ret = copy_from_user(cfg, up, sizeof(*cfg));
- if (!ret)
- ret = ov9281_ioctl(sd, cmd, cfg);
- kfree(cfg);
- break;
- default:
- ret = -ENOIOCTLCMD;
- break;
+ return 0;
}
- return ret;
+ return -EINVAL;
}
-#endif
static int __ov9281_start_stream(struct ov9281 *ov9281)
{
@@ -643,12 +615,6 @@ static int ov9281_s_power(struct v4l2_su
pm_runtime_put_noidle(&client->dev);
goto unlock_and_return;
}
- ret = ov9281_write_array(ov9281->client, ov9281_global_regs);
- if (ret) {
- v4l2_err(sd, "could not set init registers\n");
- pm_runtime_put_noidle(&client->dev);
- goto unlock_and_return;
- }
ov9281->power_on = true;
} else {
pm_runtime_put(&client->dev);
@@ -673,18 +639,12 @@ static int __ov9281_power_on(struct ov92
u32 delay_us;
struct device *dev = &ov9281->client->dev;
- if (!IS_ERR_OR_NULL(ov9281->pins_default)) {
- ret = pinctrl_select_state(ov9281->pinctrl,
- ov9281->pins_default);
- if (ret < 0)
- dev_err(dev, "could not set pins\n");
- }
-
ret = clk_set_rate(ov9281->xvclk, OV9281_XVCLK_FREQ);
if (ret < 0)
dev_warn(dev, "Failed to set xvclk rate (24MHz)\n");
if (clk_get_rate(ov9281->xvclk) != OV9281_XVCLK_FREQ)
- dev_warn(dev, "xvclk mismatched, modes are based on 24MHz\n");
+ dev_warn(dev, "xvclk mismatched, modes are based on 24MHz - rate is %lu\n",
+ clk_get_rate(ov9281->xvclk));
ret = clk_prepare_enable(ov9281->xvclk);
if (ret < 0) {
@@ -722,20 +682,11 @@ disable_clk:
static void __ov9281_power_off(struct ov9281 *ov9281)
{
- int ret;
- struct device *dev = &ov9281->client->dev;
-
if (!IS_ERR(ov9281->pwdn_gpio))
gpiod_set_value_cansleep(ov9281->pwdn_gpio, 0);
clk_disable_unprepare(ov9281->xvclk);
if (!IS_ERR(ov9281->reset_gpio))
gpiod_set_value_cansleep(ov9281->reset_gpio, 0);
- if (!IS_ERR_OR_NULL(ov9281->pins_sleep)) {
- ret = pinctrl_select_state(ov9281->pinctrl,
- ov9281->pins_sleep);
- if (ret < 0)
- dev_dbg(dev, "could not set pins\n");
- }
regulator_bulk_disable(OV9281_NUM_SUPPLIES, ov9281->supplies);
}
@@ -759,7 +710,6 @@ static int ov9281_runtime_suspend(struct
return 0;
}
-#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API
static int ov9281_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
{
struct ov9281 *ov9281 = to_ov9281(sd);
@@ -773,61 +723,42 @@ static int ov9281_open(struct v4l2_subde
try_fmt->height = def_mode->height;
try_fmt->code = MEDIA_BUS_FMT_Y10_1X10;
try_fmt->field = V4L2_FIELD_NONE;
+ try_fmt->colorspace = V4L2_COLORSPACE_SRGB;
+ try_fmt->ycbcr_enc = V4L2_MAP_YCBCR_ENC_DEFAULT(try_fmt->colorspace);
+ try_fmt->quantization =
+ V4L2_MAP_QUANTIZATION_DEFAULT(true, try_fmt->colorspace,
+ try_fmt->ycbcr_enc);
+ try_fmt->xfer_func = V4L2_MAP_XFER_FUNC_DEFAULT(try_fmt->colorspace);
mutex_unlock(&ov9281->mutex);
/* No crop or compose */
return 0;
}
-#endif
-
-static int
-ov9281_enum_frame_interval(struct v4l2_subdev *sd,
- struct v4l2_subdev_pad_config *cfg,
- struct v4l2_subdev_frame_interval_enum *fie)
-{
- if (fie->index >= ARRAY_SIZE(supported_modes))
- return -EINVAL;
-
- if (fie->code != MEDIA_BUS_FMT_Y10_1X10)
- return -EINVAL;
-
- fie->width = supported_modes[fie->index].width;
- fie->height = supported_modes[fie->index].height;
- fie->interval = supported_modes[fie->index].max_fps;
- return 0;
-}
static const struct dev_pm_ops ov9281_pm_ops = {
SET_RUNTIME_PM_OPS(ov9281_runtime_suspend,
ov9281_runtime_resume, NULL)
};
-#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API
static const struct v4l2_subdev_internal_ops ov9281_internal_ops = {
.open = ov9281_open,
};
-#endif
static const struct v4l2_subdev_core_ops ov9281_core_ops = {
.s_power = ov9281_s_power,
- .ioctl = ov9281_ioctl,
-#ifdef CONFIG_COMPAT
- .compat_ioctl32 = ov9281_compat_ioctl32,
-#endif
};
static const struct v4l2_subdev_video_ops ov9281_video_ops = {
.s_stream = ov9281_s_stream,
- .g_frame_interval = OV9281_g_frame_interval,
};
static const struct v4l2_subdev_pad_ops ov9281_pad_ops = {
.enum_mbus_code = ov9281_enum_mbus_code,
.enum_frame_size = ov9281_enum_frame_sizes,
- .enum_frame_interval = ov9281_enum_frame_interval,
.get_fmt = ov9281_get_fmt,
.set_fmt = ov9281_set_fmt,
+ .get_selection = ov9281_get_selection,
};
static const struct v4l2_subdev_ops ov9281_subdev_ops = {
@@ -868,7 +799,8 @@ static int ov9281_set_ctrl(struct v4l2_c
case V4L2_CID_ANALOGUE_GAIN:
ret = ov9281_write_reg(ov9281->client, OV9281_REG_GAIN_H,
OV9281_REG_VALUE_08BIT,
- (ctrl->val >> OV9281_GAIN_H_SHIFT) & OV9281_GAIN_H_MASK);
+ (ctrl->val >> OV9281_GAIN_H_SHIFT) &
+ OV9281_GAIN_H_MASK);
ret |= ov9281_write_reg(ov9281->client, OV9281_REG_GAIN_L,
OV9281_REG_VALUE_08BIT,
ctrl->val & OV9281_GAIN_L_MASK);
@@ -922,31 +854,34 @@ static int ov9281_initialize_controls(st
h_blank = mode->hts_def - mode->width;
ov9281->hblank = v4l2_ctrl_new_std(handler, NULL, V4L2_CID_HBLANK,
- h_blank, h_blank, 1, h_blank);
+ h_blank, h_blank, 1, h_blank);
if (ov9281->hblank)
ov9281->hblank->flags |= V4L2_CTRL_FLAG_READ_ONLY;
vblank_def = mode->vts_def - mode->height;
ov9281->vblank = v4l2_ctrl_new_std(handler, &ov9281_ctrl_ops,
- V4L2_CID_VBLANK, vblank_def,
- OV9281_VTS_MAX - mode->height,
- 1, vblank_def);
+ V4L2_CID_VBLANK, vblank_def,
+ OV9281_VTS_MAX - mode->height, 1,
+ vblank_def);
exposure_max = mode->vts_def - 4;
ov9281->exposure = v4l2_ctrl_new_std(handler, &ov9281_ctrl_ops,
- V4L2_CID_EXPOSURE, OV9281_EXPOSURE_MIN,
- exposure_max, OV9281_EXPOSURE_STEP,
- mode->exp_def);
+ V4L2_CID_EXPOSURE,
+ OV9281_EXPOSURE_MIN, exposure_max,
+ OV9281_EXPOSURE_STEP,
+ mode->exp_def);
ov9281->anal_gain = v4l2_ctrl_new_std(handler, &ov9281_ctrl_ops,
- V4L2_CID_ANALOGUE_GAIN, OV9281_GAIN_MIN,
- OV9281_GAIN_MAX, OV9281_GAIN_STEP,
- OV9281_GAIN_DEFAULT);
-
- ov9281->test_pattern = v4l2_ctrl_new_std_menu_items(handler,
- &ov9281_ctrl_ops, V4L2_CID_TEST_PATTERN,
- ARRAY_SIZE(ov9281_test_pattern_menu) - 1,
- 0, 0, ov9281_test_pattern_menu);
+ V4L2_CID_ANALOGUE_GAIN,
+ OV9281_GAIN_MIN, OV9281_GAIN_MAX,
+ OV9281_GAIN_STEP,
+ OV9281_GAIN_DEFAULT);
+
+ ov9281->test_pattern =
+ v4l2_ctrl_new_std_menu_items(handler, &ov9281_ctrl_ops,
+ V4L2_CID_TEST_PATTERN,
+ ARRAY_SIZE(ov9281_test_pattern_menu) - 1,
+ 0, 0, ov9281_test_pattern_menu);
if (handler->error) {
ret = handler->error;
@@ -1000,34 +935,14 @@ static int ov9281_probe(struct i2c_clien
const struct i2c_device_id *id)
{
struct device *dev = &client->dev;
- struct device_node *node = dev->of_node;
struct ov9281 *ov9281;
struct v4l2_subdev *sd;
- char facing[2];
int ret;
- dev_info(dev, "driver version: %02x.%02x.%02x",
- DRIVER_VERSION >> 16,
- (DRIVER_VERSION & 0xff00) >> 8,
- DRIVER_VERSION & 0x00ff);
-
ov9281 = devm_kzalloc(dev, sizeof(*ov9281), GFP_KERNEL);
if (!ov9281)
return -ENOMEM;
- ret = of_property_read_u32(node, RKMODULE_CAMERA_MODULE_INDEX,
- &ov9281->module_index);
- ret |= of_property_read_string(node, RKMODULE_CAMERA_MODULE_FACING,
- &ov9281->module_facing);
- ret |= of_property_read_string(node, RKMODULE_CAMERA_MODULE_NAME,
- &ov9281->module_name);
- ret |= of_property_read_string(node, RKMODULE_CAMERA_LENS_NAME,
- &ov9281->len_name);
- if (ret) {
- dev_err(dev, "could not get module information!\n");
- return -EINVAL;
- }
-
ov9281->client = client;
ov9281->cur_mode = &supported_modes[0];
@@ -1037,31 +952,15 @@ static int ov9281_probe(struct i2c_clien
return -EINVAL;
}
- ov9281->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW);
+ ov9281->reset_gpio = devm_gpiod_get_optional(dev, "reset",
+ GPIOD_OUT_LOW);
if (IS_ERR(ov9281->reset_gpio))
dev_warn(dev, "Failed to get reset-gpios\n");
- ov9281->pwdn_gpio = devm_gpiod_get(dev, "pwdn", GPIOD_OUT_LOW);
+ ov9281->pwdn_gpio = devm_gpiod_get_optional(dev, "pwdn", GPIOD_OUT_LOW);
if (IS_ERR(ov9281->pwdn_gpio))
dev_warn(dev, "Failed to get pwdn-gpios\n");
- ov9281->pinctrl = devm_pinctrl_get(dev);
- if (!IS_ERR(ov9281->pinctrl)) {
- ov9281->pins_default =
- pinctrl_lookup_state(ov9281->pinctrl,
- OF_CAMERA_PINCTRL_STATE_DEFAULT);
- if (IS_ERR(ov9281->pins_default))
- dev_err(dev, "could not get default pinstate\n");
-
- ov9281->pins_sleep =
- pinctrl_lookup_state(ov9281->pinctrl,
- OF_CAMERA_PINCTRL_STATE_SLEEP);
- if (IS_ERR(ov9281->pins_sleep))
- dev_err(dev, "could not get sleep pinstate\n");
- } else {
- dev_err(dev, "no pinctrl\n");
- }
-
ret = ov9281_configure_regulators(ov9281);
if (ret) {
dev_err(dev, "Failed to get power regulators\n");
@@ -1084,26 +983,16 @@ static int ov9281_probe(struct i2c_clien
if (ret)
goto err_power_off;
-#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API
sd->internal_ops = &ov9281_internal_ops;
sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
-#endif
-#if defined(CONFIG_MEDIA_CONTROLLER)
+
ov9281->pad.flags = MEDIA_PAD_FL_SOURCE;
- sd->entity.type = MEDIA_ENT_T_V4L2_SUBDEV_SENSOR;
- ret = media_entity_init(&sd->entity, 1, &ov9281->pad, 0);
+ sd->entity.function = MEDIA_ENT_F_CAM_SENSOR;
+ ret = media_entity_pads_init(&sd->entity, 1, &ov9281->pad);
if (ret < 0)
goto err_power_off;
-#endif
-
- memset(facing, 0, sizeof(facing));
- if (strcmp(ov9281->module_facing, "back") == 0)
- facing[0] = 'b';
- else
- facing[0] = 'f';
- snprintf(sd->name, sizeof(sd->name), "m%02d_%s_%s %s",
- ov9281->module_index, facing,
+ snprintf(sd->name, sizeof(sd->name), "m%s %s",
OV9281_NAME, dev_name(sd->dev));
ret = v4l2_async_register_subdev_sensor_common(sd);
if (ret) {
@@ -1118,9 +1007,7 @@ static int ov9281_probe(struct i2c_clien
return 0;
err_clean_entity:
-#if defined(CONFIG_MEDIA_CONTROLLER)
media_entity_cleanup(&sd->entity);
-#endif
err_power_off:
__ov9281_power_off(ov9281);
err_free_handler:
@@ -1137,9 +1024,7 @@ static int ov9281_remove(struct i2c_clie
struct ov9281 *ov9281 = to_ov9281(sd);
v4l2_async_unregister_subdev(sd);
-#if defined(CONFIG_MEDIA_CONTROLLER)
media_entity_cleanup(&sd->entity);
-#endif
v4l2_ctrl_handler_free(&ov9281->ctrl_handler);
mutex_destroy(&ov9281->mutex);
@@ -1151,13 +1036,11 @@ static int ov9281_remove(struct i2c_clie
return 0;
}
-#if IS_ENABLED(CONFIG_OF)
static const struct of_device_id ov9281_of_match[] = {
{ .compatible = "ovti,ov9281" },
{},
};
MODULE_DEVICE_TABLE(of, ov9281_of_match);
-#endif
static const struct i2c_device_id ov9281_match_id[] = {
{ "ovti,ov9281", 0 },
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