X-Git-Url: http://git.openwrt.org/?p=openwrt%2Fstaging%2Fchunkeey.git;a=blobdiff_plain;f=target%2Flinux%2Fbcm27xx%2Fpatches-5.10%2F950-0284-media-i2c-add-ov9281-driver.patch;fp=target%2Flinux%2Fbcm27xx%2Fpatches-5.10%2F950-0284-media-i2c-add-ov9281-driver.patch;h=0000000000000000000000000000000000000000;hp=b807db513e65c6229f566084c918f24a462e6a47;hb=d5c4f24b2af991df2ec24df1a3f906049370f59f;hpb=99ad84b6d9727a63f99a16e0b8386747262e3433 diff --git a/target/linux/bcm27xx/patches-5.10/950-0284-media-i2c-add-ov9281-driver.patch b/target/linux/bcm27xx/patches-5.10/950-0284-media-i2c-add-ov9281-driver.patch deleted file mode 100644 index b807db513e..0000000000 --- a/target/linux/bcm27xx/patches-5.10/950-0284-media-i2c-add-ov9281-driver.patch +++ /dev/null @@ -1,1218 +0,0 @@ -From 63ef88ff48e864eed44d25e6edd61c743e6efd30 Mon Sep 17 00:00:00 2001 -From: Zefa Chen -Date: Fri, 17 May 2019 18:23:03 +0800 -Subject: [PATCH] media: i2c: add ov9281 driver. - -Change-Id: I7b77250bbc56d2f861450cf77271ad15f9b88ab1 -Signed-off-by: Zefa Chen ---- - drivers/media/i2c/Kconfig | 11 + - drivers/media/i2c/Makefile | 1 + - drivers/media/i2c/ov9281.c | 1171 ++++++++++++++++++++++++++++++++++++ - 3 files changed, 1183 insertions(+) - create mode 100644 drivers/media/i2c/ov9281.c - ---- a/drivers/media/i2c/Kconfig -+++ b/drivers/media/i2c/Kconfig -@@ -1040,6 +1040,17 @@ config VIDEO_OV9640 - This is a Video4Linux2 sensor driver for the OmniVision - OV9640 camera sensor. - -+config VIDEO_OV9281 -+ tristate "OmniVision OV9281 sensor support" -+ depends on I2C && VIDEO_V4L2 -+ depends on MEDIA_CAMERA_SUPPORT -+ help -+ This is a Video4Linux2 sensor-level driver for the OmniVision -+ OV9281 camera. -+ -+ To compile this driver as a module, choose M here: the -+ module will be called ov9281. -+ - config VIDEO_OV9650 - tristate "OmniVision OV9650/OV9652 sensor support" - depends on I2C && VIDEO_V4L2 ---- a/drivers/media/i2c/Makefile -+++ b/drivers/media/i2c/Makefile -@@ -81,6 +81,7 @@ obj-$(CONFIG_VIDEO_OV7670) += ov7670.o - obj-$(CONFIG_VIDEO_OV772X) += ov772x.o - obj-$(CONFIG_VIDEO_OV7740) += ov7740.o - obj-$(CONFIG_VIDEO_OV8856) += ov8856.o -+obj-$(CONFIG_VIDEO_OV9281) += ov9281.o - obj-$(CONFIG_VIDEO_OV9640) += ov9640.o - obj-$(CONFIG_VIDEO_OV9650) += ov9650.o - obj-$(CONFIG_VIDEO_OV13858) += ov13858.o ---- /dev/null -+++ b/drivers/media/i2c/ov9281.c -@@ -0,0 +1,1171 @@ -+// SPDX-License-Identifier: GPL-2.0 -+/* -+ * ov9281 driver -+ * -+ * Copyright (C) 2017 Fuzhou Rockchip Electronics Co., Ltd. -+ */ -+ -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+ -+#define DRIVER_VERSION KERNEL_VERSION(0, 0x01, 0x0) -+ -+#ifndef V4L2_CID_DIGITAL_GAIN -+#define V4L2_CID_DIGITAL_GAIN V4L2_CID_GAIN -+#endif -+ -+#define OV9281_LINK_FREQ_400MHZ 400000000 -+/* pixel rate = link frequency * 2 * lanes / BITS_PER_SAMPLE */ -+#define OV9281_PIXEL_RATE (OV9281_LINK_FREQ_400MHZ * 2 * 2 / 10) -+#define OV9281_XVCLK_FREQ 24000000 -+ -+#define CHIP_ID 0x9281 -+#define OV9281_REG_CHIP_ID 0x300a -+ -+#define OV9281_REG_CTRL_MODE 0x0100 -+#define OV9281_MODE_SW_STANDBY 0x0 -+#define OV9281_MODE_STREAMING BIT(0) -+ -+#define OV9281_REG_EXPOSURE 0x3500 -+#define OV9281_EXPOSURE_MIN 4 -+#define OV9281_EXPOSURE_STEP 1 -+#define OV9281_VTS_MAX 0x7fff -+ -+#define OV9281_REG_GAIN_H 0x3508 -+#define OV9281_REG_GAIN_L 0x3509 -+#define OV9281_GAIN_H_MASK 0x07 -+#define OV9281_GAIN_H_SHIFT 8 -+#define OV9281_GAIN_L_MASK 0xff -+#define OV9281_GAIN_MIN 0x10 -+#define OV9281_GAIN_MAX 0xf8 -+#define OV9281_GAIN_STEP 1 -+#define OV9281_GAIN_DEFAULT 0x10 -+ -+#define OV9281_REG_TEST_PATTERN 0x5e00 -+#define OV9281_TEST_PATTERN_ENABLE 0x80 -+#define OV9281_TEST_PATTERN_DISABLE 0x0 -+ -+#define OV9281_REG_VTS 0x380e -+ -+#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[] = { -+ "avdd", /* Analog power */ -+ "dovdd", /* Digital I/O power */ -+ "dvdd", /* Digital core power */ -+}; -+ -+#define OV9281_NUM_SUPPLIES ARRAY_SIZE(ov9281_supply_names) -+ -+struct regval { -+ u16 addr; -+ u8 val; -+}; -+ -+struct ov9281_mode { -+ u32 width; -+ u32 height; -+ u32 max_fps; -+ u32 hts_def; -+ u32 vts_def; -+ u32 exp_def; -+ const struct regval *reg_list; -+}; -+ -+struct ov9281 { -+ struct i2c_client *client; -+ struct clk *xvclk; -+ struct gpio_desc *reset_gpio; -+ 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; -+ struct v4l2_ctrl *exposure; -+ struct v4l2_ctrl *anal_gain; -+ struct v4l2_ctrl *digi_gain; -+ struct v4l2_ctrl *hblank; -+ struct v4l2_ctrl *vblank; -+ struct v4l2_ctrl *test_pattern; -+ struct mutex mutex; -+ 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 -+ */ -+static const struct regval ov9281_1280x800_regs[] = { -+ {0x0103, 0x01}, -+ {0x0302, 0x32}, -+ {0x030d, 0x50}, -+ {0x030e, 0x02}, -+ {0x3001, 0x00}, -+ {0x3004, 0x00}, -+ {0x3005, 0x00}, -+ {0x3006, 0x04}, -+ {0x3011, 0x0a}, -+ {0x3013, 0x18}, -+ {0x3022, 0x01}, -+ {0x3023, 0x00}, -+ {0x302c, 0x00}, -+ {0x302f, 0x00}, -+ {0x3030, 0x04}, -+ {0x3039, 0x32}, -+ {0x303a, 0x00}, -+ {0x303f, 0x01}, -+ {0x3500, 0x00}, -+ {0x3501, 0x2a}, -+ {0x3502, 0x90}, -+ {0x3503, 0x08}, -+ {0x3505, 0x8c}, -+ {0x3507, 0x03}, -+ {0x3508, 0x00}, -+ {0x3509, 0x10}, -+ {0x3610, 0x80}, -+ {0x3611, 0xa0}, -+ {0x3620, 0x6f}, -+ {0x3632, 0x56}, -+ {0x3633, 0x78}, -+ {0x3662, 0x05}, -+ {0x3666, 0x00}, -+ {0x366f, 0x5a}, -+ {0x3680, 0x84}, -+ {0x3712, 0x80}, -+ {0x372d, 0x22}, -+ {0x3731, 0x80}, -+ {0x3732, 0x30}, -+ {0x3778, 0x00}, -+ {0x377d, 0x22}, -+ {0x3788, 0x02}, -+ {0x3789, 0xa4}, -+ {0x378a, 0x00}, -+ {0x378b, 0x4a}, -+ {0x3799, 0x20}, -+ {0x3800, 0x00}, -+ {0x3801, 0x00}, -+ {0x3802, 0x00}, -+ {0x3803, 0x00}, -+ {0x3804, 0x05}, -+ {0x3805, 0x0f}, -+ {0x3806, 0x03}, -+ {0x3807, 0x2f}, -+ {0x3808, 0x05}, -+ {0x3809, 0x00}, -+ {0x380a, 0x03}, -+ {0x380b, 0x20}, -+ {0x380c, 0x02}, -+ {0x380d, 0xd8}, -+ {0x380e, 0x03}, -+ {0x380f, 0x8e}, -+ {0x3810, 0x00}, -+ {0x3811, 0x08}, -+ {0x3812, 0x00}, -+ {0x3813, 0x08}, -+ {0x3814, 0x11}, -+ {0x3815, 0x11}, -+ {0x3820, 0x40}, -+ {0x3821, 0x00}, -+ {0x3881, 0x42}, -+ {0x38b1, 0x00}, -+ {0x3920, 0xff}, -+ {0x4003, 0x40}, -+ {0x4008, 0x04}, -+ {0x4009, 0x0b}, -+ {0x400c, 0x00}, -+ {0x400d, 0x07}, -+ {0x4010, 0x40}, -+ {0x4043, 0x40}, -+ {0x4307, 0x30}, -+ {0x4317, 0x00}, -+ {0x4501, 0x00}, -+ {0x4507, 0x00}, -+ {0x4509, 0x00}, -+ {0x450a, 0x08}, -+ {0x4601, 0x04}, -+ {0x470f, 0x00}, -+ {0x4f07, 0x00}, -+ {0x4800, 0x00}, -+ {0x5000, 0x9f}, -+ {0x5001, 0x00}, -+ {0x5e00, 0x00}, -+ {0x5d00, 0x07}, -+ {0x5d01, 0x00}, -+ {REG_NULL, 0x00}, -+}; -+ -+static const struct ov9281_mode supported_modes[] = { -+ { -+ .width = 1280, -+ .height = 800, -+ .max_fps = 120, -+ .exp_def = 0x0320, -+ .hts_def = 0x0b60,//0x2d8*4 -+ .vts_def = 0x038e, -+ .reg_list = ov9281_1280x800_regs, -+ }, -+}; -+ -+static const s64 link_freq_menu_items[] = { -+ OV9281_LINK_FREQ_400MHZ -+}; -+ -+static const char * const ov9281_test_pattern_menu[] = { -+ "Disabled", -+ "Vertical Color Bar Type 1", -+ "Vertical Color Bar Type 2", -+ "Vertical Color Bar Type 3", -+ "Vertical Color Bar Type 4" -+}; -+ -+/* Write registers up to 4 at a time */ -+static int ov9281_write_reg(struct i2c_client *client, u16 reg, -+ u32 len, u32 val) -+{ -+ u32 buf_i, val_i; -+ u8 buf[6]; -+ u8 *val_p; -+ __be32 val_be; -+ -+ if (len > 4) -+ return -EINVAL; -+ -+ buf[0] = reg >> 8; -+ buf[1] = reg & 0xff; -+ -+ val_be = cpu_to_be32(val); -+ val_p = (u8 *)&val_be; -+ buf_i = 2; -+ val_i = 4 - len; -+ -+ while (val_i < 4) -+ buf[buf_i++] = val_p[val_i++]; -+ -+ if (i2c_master_send(client, buf, len + 2) != len + 2) -+ return -EIO; -+ -+ return 0; -+} -+ -+static int ov9281_write_array(struct i2c_client *client, -+ const struct regval *regs) -+{ -+ u32 i; -+ int ret = 0; -+ -+ for (i = 0; ret == 0 && regs[i].addr != REG_NULL; i++) -+ ret = ov9281_write_reg(client, regs[i].addr, -+ OV9281_REG_VALUE_08BIT, regs[i].val); -+ -+ return ret; -+} -+ -+/* Read registers up to 4 at a time */ -+static int ov9281_read_reg(struct i2c_client *client, u16 reg, unsigned int len, -+ u32 *val) -+{ -+ struct i2c_msg msgs[2]; -+ u8 *data_be_p; -+ __be32 data_be = 0; -+ __be16 reg_addr_be = cpu_to_be16(reg); -+ int ret; -+ -+ if (len > 4 || !len) -+ return -EINVAL; -+ -+ data_be_p = (u8 *)&data_be; -+ /* Write register address */ -+ msgs[0].addr = client->addr; -+ msgs[0].flags = 0; -+ msgs[0].len = 2; -+ msgs[0].buf = (u8 *)®_addr_be; -+ -+ /* Read data from register */ -+ msgs[1].addr = client->addr; -+ msgs[1].flags = I2C_M_RD; -+ msgs[1].len = len; -+ msgs[1].buf = &data_be_p[4 - len]; -+ -+ ret = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs)); -+ if (ret != ARRAY_SIZE(msgs)) -+ return -EIO; -+ -+ *val = be32_to_cpu(data_be); -+ -+ return 0; -+} -+ -+static int ov9281_get_reso_dist(const struct ov9281_mode *mode, -+ struct v4l2_mbus_framefmt *framefmt) -+{ -+ return abs(mode->width - framefmt->width) + -+ abs(mode->height - framefmt->height); -+} -+ -+static const struct ov9281_mode * -+ov9281_find_best_fit(struct v4l2_subdev_format *fmt) -+{ -+ struct v4l2_mbus_framefmt *framefmt = &fmt->format; -+ int dist; -+ int cur_best_fit = 0; -+ int cur_best_fit_dist = -1; -+ unsigned int i; -+ -+ for (i = 0; i < ARRAY_SIZE(supported_modes); i++) { -+ dist = ov9281_get_reso_dist(&supported_modes[i], framefmt); -+ if (cur_best_fit_dist == -1 || dist < cur_best_fit_dist) { -+ cur_best_fit_dist = dist; -+ cur_best_fit = i; -+ } -+ } -+ -+ return &supported_modes[cur_best_fit]; -+} -+ -+static int ov9281_set_fmt(struct v4l2_subdev *sd, -+ struct v4l2_subdev_pad_config *cfg, -+ struct v4l2_subdev_format *fmt) -+{ -+ struct ov9281 *ov9281 = to_ov9281(sd); -+ const struct ov9281_mode *mode; -+ s64 h_blank, vblank_def; -+ -+ mutex_lock(&ov9281->mutex); -+ -+ mode = ov9281_find_best_fit(fmt); -+ fmt->format.code = MEDIA_BUS_FMT_Y10_1X10; -+ fmt->format.width = mode->width; -+ fmt->format.height = mode->height; -+ fmt->format.field = V4L2_FIELD_NONE; -+ 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); -+ vblank_def = mode->vts_def - mode->height; -+ __v4l2_ctrl_modify_range(ov9281->vblank, vblank_def, -+ OV9281_VTS_MAX - mode->height, -+ 1, vblank_def); -+ } -+ -+ mutex_unlock(&ov9281->mutex); -+ -+ return 0; -+} -+ -+static int ov9281_get_fmt(struct v4l2_subdev *sd, -+ struct v4l2_subdev_pad_config *cfg, -+ struct v4l2_subdev_format *fmt) -+{ -+ struct ov9281 *ov9281 = to_ov9281(sd); -+ const struct ov9281_mode *mode = ov9281->cur_mode; -+ -+ 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; -+ } -+ mutex_unlock(&ov9281->mutex); -+ -+ return 0; -+} -+ -+static int ov9281_enum_mbus_code(struct v4l2_subdev *sd, -+ struct v4l2_subdev_pad_config *cfg, -+ struct v4l2_subdev_mbus_code_enum *code) -+{ -+ if (code->index != 0) -+ return -EINVAL; -+ code->code = MEDIA_BUS_FMT_Y10_1X10; -+ -+ return 0; -+} -+ -+static int ov9281_enum_frame_sizes(struct v4l2_subdev *sd, -+ struct v4l2_subdev_pad_config *cfg, -+ struct v4l2_subdev_frame_size_enum *fse) -+{ -+ if (fse->index >= ARRAY_SIZE(supported_modes)) -+ return -EINVAL; -+ -+ if (fse->code != MEDIA_BUS_FMT_Y10_1X10) -+ return -EINVAL; -+ -+ fse->min_width = supported_modes[fse->index].width; -+ fse->max_width = supported_modes[fse->index].width; -+ fse->max_height = supported_modes[fse->index].height; -+ fse->min_height = supported_modes[fse->index].height; -+ -+ return 0; -+} -+ -+static int ov9281_enable_test_pattern(struct ov9281 *ov9281, u32 pattern) -+{ -+ u32 val; -+ -+ if (pattern) -+ val = (pattern - 1) | OV9281_TEST_PATTERN_ENABLE; -+ else -+ val = OV9281_TEST_PATTERN_DISABLE; -+ -+ return ov9281_write_reg(ov9281->client, OV9281_REG_TEST_PATTERN, -+ 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.numerator = 10000; -+ fi->interval.denominator = mode->max_fps * 10000; -+ mutex_unlock(&ov9281->mutex); -+ -+ return 0; -+} -+ -+static void ov9281_get_module_inf(struct ov9281 *ov9281, -+ struct rkmodule_inf *inf) -+{ -+ 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)); -+} -+ -+static long ov9281_ioctl(struct v4l2_subdev *sd, unsigned int cmd, void *arg) -+{ -+ struct ov9281 *ov9281 = to_ov9281(sd); -+ long ret = 0; -+ -+ switch (cmd) { -+ case RKMODULE_GET_MODULE_INFO: -+ ov9281_get_module_inf(ov9281, (struct rkmodule_inf *)arg); -+ break; -+ default: -+ ret = -ENOIOCTLCMD; -+ break; -+ } -+ -+ return ret; -+} -+ -+#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; -+ } -+ -+ 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; -+ } -+ -+ ret = copy_from_user(cfg, up, sizeof(*cfg)); -+ if (!ret) -+ ret = ov9281_ioctl(sd, cmd, cfg); -+ kfree(cfg); -+ break; -+ default: -+ ret = -ENOIOCTLCMD; -+ break; -+ } -+ -+ return ret; -+} -+#endif -+ -+static int __ov9281_start_stream(struct ov9281 *ov9281) -+{ -+ int ret; -+ -+ ret = ov9281_write_array(ov9281->client, ov9281->cur_mode->reg_list); -+ if (ret) -+ return ret; -+ -+ /* In case these controls are set before streaming */ -+ mutex_unlock(&ov9281->mutex); -+ ret = v4l2_ctrl_handler_setup(&ov9281->ctrl_handler); -+ mutex_lock(&ov9281->mutex); -+ if (ret) -+ return ret; -+ -+ return ov9281_write_reg(ov9281->client, OV9281_REG_CTRL_MODE, -+ OV9281_REG_VALUE_08BIT, OV9281_MODE_STREAMING); -+} -+ -+static int __ov9281_stop_stream(struct ov9281 *ov9281) -+{ -+ return ov9281_write_reg(ov9281->client, OV9281_REG_CTRL_MODE, -+ OV9281_REG_VALUE_08BIT, OV9281_MODE_SW_STANDBY); -+} -+ -+static int ov9281_s_stream(struct v4l2_subdev *sd, int on) -+{ -+ struct ov9281 *ov9281 = to_ov9281(sd); -+ struct i2c_client *client = ov9281->client; -+ int ret = 0; -+ -+ mutex_lock(&ov9281->mutex); -+ on = !!on; -+ if (on == ov9281->streaming) -+ goto unlock_and_return; -+ -+ if (on) { -+ ret = pm_runtime_get_sync(&client->dev); -+ if (ret < 0) { -+ pm_runtime_put_noidle(&client->dev); -+ goto unlock_and_return; -+ } -+ -+ ret = __ov9281_start_stream(ov9281); -+ if (ret) { -+ v4l2_err(sd, "start stream failed while write regs\n"); -+ pm_runtime_put(&client->dev); -+ goto unlock_and_return; -+ } -+ } else { -+ __ov9281_stop_stream(ov9281); -+ pm_runtime_put(&client->dev); -+ } -+ -+ ov9281->streaming = on; -+ -+unlock_and_return: -+ mutex_unlock(&ov9281->mutex); -+ -+ return ret; -+} -+ -+static int ov9281_s_power(struct v4l2_subdev *sd, int on) -+{ -+ struct ov9281 *ov9281 = to_ov9281(sd); -+ struct i2c_client *client = ov9281->client; -+ int ret = 0; -+ -+ mutex_lock(&ov9281->mutex); -+ -+ /* If the power state is not modified - no work to do. */ -+ if (ov9281->power_on == !!on) -+ goto unlock_and_return; -+ -+ if (on) { -+ ret = pm_runtime_get_sync(&client->dev); -+ if (ret < 0) { -+ 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); -+ ov9281->power_on = false; -+ } -+ -+unlock_and_return: -+ mutex_unlock(&ov9281->mutex); -+ -+ return ret; -+} -+ -+/* Calculate the delay in us by clock rate and clock cycles */ -+static inline u32 ov9281_cal_delay(u32 cycles) -+{ -+ return DIV_ROUND_UP(cycles, OV9281_XVCLK_FREQ / 1000 / 1000); -+} -+ -+static int __ov9281_power_on(struct ov9281 *ov9281) -+{ -+ int ret; -+ 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_prepare_enable(ov9281->xvclk); -+ if (ret < 0) { -+ dev_err(dev, "Failed to enable xvclk\n"); -+ return ret; -+ } -+ -+ if (!IS_ERR(ov9281->reset_gpio)) -+ gpiod_set_value_cansleep(ov9281->reset_gpio, 0); -+ -+ ret = regulator_bulk_enable(OV9281_NUM_SUPPLIES, ov9281->supplies); -+ if (ret < 0) { -+ dev_err(dev, "Failed to enable regulators\n"); -+ goto disable_clk; -+ } -+ -+ if (!IS_ERR(ov9281->reset_gpio)) -+ gpiod_set_value_cansleep(ov9281->reset_gpio, 1); -+ -+ usleep_range(500, 1000); -+ if (!IS_ERR(ov9281->pwdn_gpio)) -+ gpiod_set_value_cansleep(ov9281->pwdn_gpio, 1); -+ -+ /* 8192 cycles prior to first SCCB transaction */ -+ delay_us = ov9281_cal_delay(8192); -+ usleep_range(delay_us, delay_us * 2); -+ -+ return 0; -+ -+disable_clk: -+ clk_disable_unprepare(ov9281->xvclk); -+ -+ return ret; -+} -+ -+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); -+} -+ -+static int ov9281_runtime_resume(struct device *dev) -+{ -+ struct i2c_client *client = to_i2c_client(dev); -+ struct v4l2_subdev *sd = i2c_get_clientdata(client); -+ struct ov9281 *ov9281 = to_ov9281(sd); -+ -+ return __ov9281_power_on(ov9281); -+} -+ -+static int ov9281_runtime_suspend(struct device *dev) -+{ -+ struct i2c_client *client = to_i2c_client(dev); -+ struct v4l2_subdev *sd = i2c_get_clientdata(client); -+ struct ov9281 *ov9281 = to_ov9281(sd); -+ -+ __ov9281_power_off(ov9281); -+ -+ 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); -+ struct v4l2_mbus_framefmt *try_fmt = -+ v4l2_subdev_get_try_format(sd, fh->pad, 0); -+ const struct ov9281_mode *def_mode = &supported_modes[0]; -+ -+ mutex_lock(&ov9281->mutex); -+ /* Initialize try_fmt */ -+ try_fmt->width = def_mode->width; -+ try_fmt->height = def_mode->height; -+ try_fmt->code = MEDIA_BUS_FMT_Y10_1X10; -+ try_fmt->field = V4L2_FIELD_NONE; -+ -+ mutex_unlock(&ov9281->mutex); -+ /* No crop or compose */ -+ -+ return 0; -+} -+#endif -+ -+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, -+ .get_fmt = ov9281_get_fmt, -+ .set_fmt = ov9281_set_fmt, -+}; -+ -+static const struct v4l2_subdev_ops ov9281_subdev_ops = { -+ .core = &ov9281_core_ops, -+ .video = &ov9281_video_ops, -+ .pad = &ov9281_pad_ops, -+}; -+ -+static int ov9281_set_ctrl(struct v4l2_ctrl *ctrl) -+{ -+ struct ov9281 *ov9281 = container_of(ctrl->handler, -+ struct ov9281, ctrl_handler); -+ struct i2c_client *client = ov9281->client; -+ s64 max; -+ int ret = 0; -+ -+ /* Propagate change of current control to all related controls */ -+ switch (ctrl->id) { -+ case V4L2_CID_VBLANK: -+ /* Update max exposure while meeting expected vblanking */ -+ max = ov9281->cur_mode->height + ctrl->val - 4; -+ __v4l2_ctrl_modify_range(ov9281->exposure, -+ ov9281->exposure->minimum, max, -+ ov9281->exposure->step, -+ ov9281->exposure->default_value); -+ break; -+ } -+ -+ if (pm_runtime_get(&client->dev) <= 0) -+ return 0; -+ -+ switch (ctrl->id) { -+ case V4L2_CID_EXPOSURE: -+ /* 4 least significant bits of expsoure are fractional part */ -+ ret = ov9281_write_reg(ov9281->client, OV9281_REG_EXPOSURE, -+ OV9281_REG_VALUE_24BIT, ctrl->val << 4); -+ break; -+ 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); -+ ret |= ov9281_write_reg(ov9281->client, OV9281_REG_GAIN_L, -+ OV9281_REG_VALUE_08BIT, -+ ctrl->val & OV9281_GAIN_L_MASK); -+ break; -+ case V4L2_CID_VBLANK: -+ ret = ov9281_write_reg(ov9281->client, OV9281_REG_VTS, -+ OV9281_REG_VALUE_16BIT, -+ ctrl->val + ov9281->cur_mode->height); -+ break; -+ case V4L2_CID_TEST_PATTERN: -+ ret = ov9281_enable_test_pattern(ov9281, ctrl->val); -+ break; -+ default: -+ dev_warn(&client->dev, "%s Unhandled id:0x%x, val:0x%x\n", -+ __func__, ctrl->id, ctrl->val); -+ break; -+ } -+ -+ pm_runtime_put(&client->dev); -+ -+ return ret; -+} -+ -+static const struct v4l2_ctrl_ops ov9281_ctrl_ops = { -+ .s_ctrl = ov9281_set_ctrl, -+}; -+ -+static int ov9281_initialize_controls(struct ov9281 *ov9281) -+{ -+ const struct ov9281_mode *mode; -+ struct v4l2_ctrl_handler *handler; -+ struct v4l2_ctrl *ctrl; -+ s64 exposure_max, vblank_def; -+ u32 h_blank; -+ int ret; -+ -+ handler = &ov9281->ctrl_handler; -+ mode = ov9281->cur_mode; -+ ret = v4l2_ctrl_handler_init(handler, 8); -+ if (ret) -+ return ret; -+ handler->lock = &ov9281->mutex; -+ -+ ctrl = v4l2_ctrl_new_int_menu(handler, NULL, V4L2_CID_LINK_FREQ, -+ 0, 0, link_freq_menu_items); -+ if (ctrl) -+ ctrl->flags |= V4L2_CTRL_FLAG_READ_ONLY; -+ -+ v4l2_ctrl_new_std(handler, NULL, V4L2_CID_PIXEL_RATE, -+ 0, OV9281_PIXEL_RATE, 1, OV9281_PIXEL_RATE); -+ -+ 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); -+ 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); -+ -+ 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); -+ -+ 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); -+ -+ if (handler->error) { -+ ret = handler->error; -+ dev_err(&ov9281->client->dev, -+ "Failed to init controls(%d)\n", ret); -+ goto err_free_handler; -+ } -+ -+ ov9281->subdev.ctrl_handler = handler; -+ -+ return 0; -+ -+err_free_handler: -+ v4l2_ctrl_handler_free(handler); -+ -+ return ret; -+} -+ -+static int ov9281_check_sensor_id(struct ov9281 *ov9281, -+ struct i2c_client *client) -+{ -+ struct device *dev = &ov9281->client->dev; -+ u32 id = 0; -+ int ret; -+ -+ ret = ov9281_read_reg(client, OV9281_REG_CHIP_ID, -+ OV9281_REG_VALUE_16BIT, &id); -+ if (id != CHIP_ID) { -+ dev_err(dev, "Unexpected sensor id(%06x), ret(%d)\n", id, ret); -+ return -ENODEV; -+ } -+ -+ dev_info(dev, "Detected OV%06x sensor\n", CHIP_ID); -+ -+ return 0; -+} -+ -+static int ov9281_configure_regulators(struct ov9281 *ov9281) -+{ -+ unsigned int i; -+ -+ for (i = 0; i < OV9281_NUM_SUPPLIES; i++) -+ ov9281->supplies[i].supply = ov9281_supply_names[i]; -+ -+ return devm_regulator_bulk_get(&ov9281->client->dev, -+ OV9281_NUM_SUPPLIES, -+ ov9281->supplies); -+} -+ -+static int ov9281_probe(struct i2c_client *client, -+ 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]; -+ -+ ov9281->xvclk = devm_clk_get(dev, "xvclk"); -+ if (IS_ERR(ov9281->xvclk)) { -+ dev_err(dev, "Failed to get xvclk\n"); -+ return -EINVAL; -+ } -+ ret = clk_set_rate(ov9281->xvclk, OV9281_XVCLK_FREQ); -+ if (ret < 0) { -+ dev_err(dev, "Failed to set xvclk rate (24MHz)\n"); -+ return ret; -+ } -+ if (clk_get_rate(ov9281->xvclk) != OV9281_XVCLK_FREQ) -+ dev_warn(dev, "xvclk mismatched, modes are based on 24MHz\n"); -+ -+ ov9281->reset_gpio = devm_gpiod_get(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); -+ 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"); -+ return ret; -+ } -+ -+ mutex_init(&ov9281->mutex); -+ -+ sd = &ov9281->subdev; -+ v4l2_i2c_subdev_init(sd, client, &ov9281_subdev_ops); -+ ret = ov9281_initialize_controls(ov9281); -+ if (ret) -+ goto err_destroy_mutex; -+ -+ ret = __ov9281_power_on(ov9281); -+ if (ret) -+ goto err_free_handler; -+ -+ ret = ov9281_check_sensor_id(ov9281, client); -+ 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); -+ 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, -+ OV9281_NAME, dev_name(sd->dev)); -+ ret = v4l2_async_register_subdev_sensor_common(sd); -+ if (ret) { -+ dev_err(dev, "v4l2 async register subdev failed\n"); -+ goto err_clean_entity; -+ } -+ -+ pm_runtime_set_active(dev); -+ pm_runtime_enable(dev); -+ pm_runtime_idle(dev); -+ -+ 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: -+ v4l2_ctrl_handler_free(&ov9281->ctrl_handler); -+err_destroy_mutex: -+ mutex_destroy(&ov9281->mutex); -+ -+ return ret; -+} -+ -+static int ov9281_remove(struct i2c_client *client) -+{ -+ struct v4l2_subdev *sd = i2c_get_clientdata(client); -+ 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); -+ -+ pm_runtime_disable(&client->dev); -+ if (!pm_runtime_status_suspended(&client->dev)) -+ __ov9281_power_off(ov9281); -+ pm_runtime_set_suspended(&client->dev); -+ -+ 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 }, -+ { }, -+}; -+ -+static struct i2c_driver ov9281_i2c_driver = { -+ .driver = { -+ .name = OV9281_NAME, -+ .pm = &ov9281_pm_ops, -+ .of_match_table = of_match_ptr(ov9281_of_match), -+ }, -+ .probe = &ov9281_probe, -+ .remove = &ov9281_remove, -+ .id_table = ov9281_match_id, -+}; -+ -+static int __init sensor_mod_init(void) -+{ -+ return i2c_add_driver(&ov9281_i2c_driver); -+} -+ -+static void __exit sensor_mod_exit(void) -+{ -+ i2c_del_driver(&ov9281_i2c_driver); -+} -+ -+device_initcall_sync(sensor_mod_init); -+module_exit(sensor_mod_exit); -+ -+MODULE_DESCRIPTION("OmniVision ov9281 sensor driver"); -+MODULE_LICENSE("GPL v2");