// SPDX-License-Identifier: GPL-2.0 /* * xs9922 driver * * Copyright (C) 2021 Rockchip Electronics Co., Ltd. * * V0.0X01.0X00 first version. */ #define DEBUG #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "ni_type.h" #include "xs9922_reg_cfg.h" //#define RP_AHD_1080P //Open when using 1080P #define __CLOSE_SENSOR__ 0 #define DRIVER_VERSION KERNEL_VERSION(0, 0x01, 0x0) #define XS9922_TEST_PATTERN 0 #define XS9922_XVCLK_FREQ 27000000 #define XS9922_LINK_FREQ_1500M (1500000000UL >> 1) //1.5G #define XS9922_LINK_FREQ_1200M (1200000000UL >> 1) //1.2G #define MIPI_FREQ_297M 297000000 //rpdzkj test mipi rate #define XS9922_LANES 4 #define XS99222_BITS_PER_SAMPLE 8 #define XS9922_NAME "xs9922" #define OF_CAMERA_PINCTRL_STATE_DEFAULT "rockchip,camera_default" #define OF_CAMERA_PINCTRL_STATE_SLEEP "rockchip,camera_sleep" #define REG_NULL 0xFFFF #define REG_DELAY 0xFFFE #define XS9922_REG_VALUE_08BIT 1 #define XS9922_REG_VALUE_16BIT 2 #define XS9922_REG_VALUE_24BIT 3 #define XS9922_MIPI_DEV_MAX_NUM (1) #define XS9922_SET_FMT \ _IOR('V', BASE_VIDIOC_PRIVATE + 32, struct v4l2_subdev_format ) /* static enum xs9922_max_pad { PAD0, PAD1, PAD2, PAD3, PAD_MAX, }; */ enum{ CH_1=0, CH_2=1, CH_3=2, CH_4=3, CH_ALL=4, MIPI_PAGE=8, }; struct xs9922_mode { u32 bus_fmt; u32 width; u32 height; struct v4l2_fract max_fps; u32 mipi_freq_idx; u32 bpp; const struct regval *global_reg_list; const struct regval *reg_list; u32 hdr_mode; u32 lanes; u32 vc[PAD_MAX]; u32 channel_reso[PAD_MAX]; }; struct xs9922 { struct i2c_client *client; struct clk *xvclk; struct gpio_desc *reset_gpio; struct gpio_desc *power_gpio; struct gpio_desc *cam_gpio; 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 *pixel_rate; struct v4l2_ctrl *link_freq; struct mutex mutex; bool power_on; const struct xs9922_mode *cur_mode; u32 module_index; u32 cfg_num; const char *module_facing; const char *module_name; const char *len_name; bool lost_video_status; int streaming; struct task_struct *detect_thread; //for hotplug detect work struct input_dev* input_dev; unsigned char detect_status; unsigned char last_detect_status; u8 is_reset; }; ///////////////////////////////////////////////////////// #define NI_ID0 (0x22) #define NI_ID1 (0x99) #define NI_40F0_DEVICE_ID_1 (0x40F0) #define NI_40F1_DEVICE_ID_0 (0x40F1) #define NI_4345_CDT_STATUS_CH0 (0x4345) #define NI_4346_CDT_STATUS_CH1 (0x4346) #define NI_4347_CDT_STATUS_CH2 (0x4347) #define NI_4348_CDT_STATUS_CH3 (0x4348) #define NI_VIDEO_STATUS_CH0 (0x0000) #define NI_VIDEO_STATUS_CH1 (0x1000) #define NI_VIDEO_STATUS_CH2 (0x2000) #define NI_VIDEO_STATUS_CH3 (0x3000) #define to_xs9922(sd) container_of(sd, struct xs9922, subdev) static const s64 link_freq_items[] = { XS9922_LINK_FREQ_1500M, XS9922_LINK_FREQ_1200M, MIPI_FREQ_297M, }; static int xs9922_read_reg(struct i2c_client *client, u16 reg, unsigned int len, u32 *val); static void __maybe_unused dumpChxReg(struct i2c_client *client) { u16 reg=0; u32 val = 0; int i=0,j=0; for (i=0; i<4; i++) { // read status for (j=0; j<=0x29;j++) { reg = (i<<12)|j; xs9922_read_reg(client, reg, XS9922_REG_VALUE_08BIT, &val); dev_err(&client->dev, "{0x%04x, 0x%04x}\n", reg, val); } // hd regs for (j=0x100; j<=0x1e2;j++) { reg = (i<<12)|j; xs9922_read_reg(client, reg, XS9922_REG_VALUE_08BIT, &val); dev_err(&client->dev, "{0x%04x, 0x%04x}\n", reg, val); } } } // detect_status: bit 0~3 means channels plugin status : 0, no pluged in; 1, pluged in static ssize_t show_hotplug_status(struct device *dev, struct device_attribute *attr, char *buf) { struct i2c_client *client = to_i2c_client(dev); struct v4l2_subdev *sd = i2c_get_clientdata(client); struct xs9922 *xs9922 = to_xs9922(sd); return sprintf(buf, "%d\n", xs9922->detect_status); } static ssize_t xs9922_campower(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { int enable; struct i2c_client *client = to_i2c_client(dev); struct v4l2_subdev *sd = i2c_get_clientdata(client); struct xs9922 *xs9922 = to_xs9922(sd); if (!IS_ERR(xs9922->cam_gpio)) { sscanf(buf, "%d", &enable); if (2 == enable) { dumpChxReg(client); } else gpiod_set_value_cansleep(xs9922->cam_gpio, !!enable); } return count; } static DEVICE_ATTR(hotplug_status, S_IRUSR|S_IWUSR, show_hotplug_status, xs9922_campower); static struct attribute *dev_attrs[] = { &dev_attr_hotplug_status.attr, NULL, }; static struct attribute_group dev_attr_grp = { .attrs = dev_attrs, }; static const struct xs9922_mode supported_modes[] = { #ifndef RP_AHD_1080P { .bus_fmt = MEDIA_BUS_FMT_UYVY8_2X8,//MEDIA_BUS_FMT_UYVY8_2X8, .width = 1280, .height = 720, .max_fps = { .numerator = 10000, .denominator = 250000, }, .global_reg_list = xs9922_init_cfg, .reg_list = xs9922_720p_4lanes_25fps, .mipi_freq_idx = 0, .bpp = 8, .hdr_mode = NO_HDR, .lanes = 4, // 1, //.lanes = 1, .vc[PAD0] = V4L2_MBUS_CSI2_CHANNEL_0, .vc[PAD1] = V4L2_MBUS_CSI2_CHANNEL_1, .vc[PAD2] = V4L2_MBUS_CSI2_CHANNEL_2, .vc[PAD3] = V4L2_MBUS_CSI2_CHANNEL_3, }, #endif { .bus_fmt = MEDIA_BUS_FMT_UYVY8_2X8,//MEDIA_BUS_FMT_UYVY8_2X8, .width = 1920, .height = 1080, .max_fps = { .numerator = 10000, .denominator = 250000, }, .global_reg_list = xs9922_init_cfg, .reg_list = xs9922_1080p_4lanes_25fps, .mipi_freq_idx = 0, .bpp = 8, .hdr_mode = NO_HDR, .lanes = 4, .vc[PAD0] = V4L2_MBUS_CSI2_CHANNEL_0, .vc[PAD1] = V4L2_MBUS_CSI2_CHANNEL_1, .vc[PAD2] = V4L2_MBUS_CSI2_CHANNEL_2, .vc[PAD3] = V4L2_MBUS_CSI2_CHANNEL_3, } }; #define config_file "/etc/board.conf" char board_config_buf[1024] = {0}; struct drm_display_mode *hdmiCusMode=NULL; static int xs9922_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) { dev_err(&client->dev, "xs9922 write reg(0x%x) failed !\n", reg); return -EIO; } return 0; } /* Read registers up to 4 at a time */ static int xs9922_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; //printk("%p ---- 0x%04x %d %d\n", client, reg, len, *val); if (len > 4 || !len) return -EINVAL; data_be_p = (u8 *)&data_be; /* Write register address */ //dev_dbg(&client->dev, "xs9922 i2c addr (0x%x) !\n", client->addr); 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)) { dev_err(&client->dev, "xs9922 read reg(0x%x) failed !\n", reg); return -EIO; } //printk("---- 0x%08x\n", data_be); *val = be32_to_cpu(data_be); return 0; } static int xs9922_write_array(struct i2c_client *client, const struct regval *regs) { u32 i; int ret = 0; // u32 val = 0; for (i = 0; ret == 0 && regs[i].addr != REG_NULL; i++) { ret |= xs9922_write_reg(client, regs[i].addr, XS9922_REG_VALUE_08BIT, regs[i].val); if (0 != regs[i].nDelay) msleep(regs[i].nDelay); // dev_dbg(&client->dev, "xs9922 write reg(0x%04x) : 0x%02x!\n", regs[i].addr, regs[i].val); // udelay(10 * 1000); // xs9922_read_reg(client, regs[i].addr, XS9922_REG_VALUE_08BIT, &val); // if ((u8)val != regs[i].val) // dev_err(&client->dev, "xs9922 write reg(0x%04x) : happen err!\n", regs[i].addr); } return ret; } static int __maybe_unused xs9922_read_array(struct i2c_client *client, const struct regval *regs) { u32 i; int ret = 0; u32 val = 0; for (i = 0; ret == 0 && regs[i].addr != REG_NULL; i++) { ret |= xs9922_read_reg(client, regs[i].addr, XS9922_REG_VALUE_08BIT, &val); dev_dbg(&client->dev, "xs9922 read reg(0x%04x) : 0x%02x!\n", regs[i].addr, (u8)val); udelay(10 * 1000); // xs9922_read_reg(client, regs[i].addr, XS9922_REG_VALUE_08BIT, &val); if ((u8)val != regs[i].val) dev_err(&client->dev, "xs9922 write reg(0x%04x) : happen err!\n", regs[i].addr); } return ret; } void switch_mode(struct xs9922 *xs9922) { int ret = 0; struct i2c_client *client = xs9922->client; dev_dbg(&client->dev, "%s IN --->>>\n", __func__); ret = xs9922_write_array(client, xs9922->cur_mode->reg_list); if (ret) { dev_dbg(&client->dev, "%s write xs9922 register array error!\n", __func__); } } static int __maybe_unused detect_thread_start(struct xs9922 *xs9922); static int read_config(void *data) { struct xs9922 *xs9922 = (struct xs9922 *) data; struct file *fp = NULL; mm_segment_t fs; loff_t pos = 0; int tries=10; printk("__xs9922_init in\n"); if (!IS_ERR(xs9922->cam_gpio)) { gpiod_set_value_cansleep(xs9922->cam_gpio, 1); } xs9922_write_array(xs9922->client, xs9922->cur_mode->global_reg_list); do { fp = filp_open(config_file,O_RDONLY,0); if(!IS_ERR(fp)){ break; } printk(KERN_ERR "open "config_file" fail!!!\n"); tries--; msleep(100); } while(tries > 0); if(IS_ERR(fp)){ printk(KERN_ERR "open "config_file" fail!!!\n"); //return -1; } else { fs = get_fs(); set_fs(KERNEL_DS); pos = 0; vfs_read(fp,board_config_buf,sizeof(board_config_buf),&pos); filp_close(fp,NULL); set_fs(fs); //printk(KERN_ERR "[hardy] config:\n%s\n", board_config_buf); if (strlen(board_config_buf) > 0) { char *mode = strstr(board_config_buf, "camode="); char *timing = strstr(board_config_buf, "outiming="); int width=0, height=0, vrefresh=0; int i=0; if (NULL != mode) { sscanf(mode, "camode=%dx%d-%d", &width, &height, &vrefresh); for (i = 0; i < xs9922->cfg_num; i++) { int fps=supported_modes[i].max_fps.denominator/supported_modes[i].max_fps.numerator; if (width==supported_modes[i].width && height==supported_modes[i].height && vrefresh==fps) { xs9922->cur_mode = (struct xs9922_mode *)&supported_modes[i]; break; } } } if (NULL != timing) { static struct drm_display_mode mode; memset(&mode, 0, sizeof(struct drm_display_mode)); sscanf(timing, "outiming=%s %d %d %d %d %d %d %d %d %d %d", mode.name, //&mode.vrefresh, &mode.hdisplay, &mode.hsync_start, &mode.hsync_end, &mode.htotal, &mode.vdisplay, &mode.vsync_start, &mode.vsync_end, &mode.vtotal, &mode.clock, &mode.flags); if (strlen(mode.name) > 0 ) hdmiCusMode = &mode; } } } switch_mode(xs9922); detect_thread_start(xs9922); printk("__xs9922_init out\n"); return 0; } static int xs9922_get_reso_dist(const struct xs9922_mode *mode, struct v4l2_mbus_framefmt *framefmt) { return abs(mode->width - framefmt->width) + abs(mode->height - framefmt->height); } static const struct xs9922_mode * xs9922_find_best_fit(struct xs9922 *xs9922, 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 < xs9922->cfg_num; i++) { dist = xs9922_get_reso_dist(&supported_modes[i], framefmt); if ((cur_best_fit_dist == -1 || dist <= cur_best_fit_dist) && supported_modes[i].bus_fmt == framefmt->code) { cur_best_fit_dist = dist; cur_best_fit = i; } } return &supported_modes[cur_best_fit]; } static int xs9922_g_mbus_config(struct v4l2_subdev *sd, unsigned int pad, struct v4l2_mbus_config *cfg) { cfg->type = V4L2_MBUS_CSI2_DPHY; cfg->flags = V4L2_MBUS_CSI2_4_LANE | V4L2_MBUS_CSI2_CHANNELS; return 0; } static int xs9922_set_fmt(struct v4l2_subdev *sd, struct v4l2_subdev_pad_config *cfg, struct v4l2_subdev_format *fmt) { struct xs9922 *xs9922 = to_xs9922(sd); const struct xs9922_mode *mode; u64 pixel_rate; dev_dbg(&xs9922->client->dev, "%s IN --->>>\n", __func__); mutex_lock(&xs9922->mutex); mode = xs9922_find_best_fit(xs9922, fmt); fmt->format.code = mode->bus_fmt; fmt->format.width = mode->width; fmt->format.height = mode->height; fmt->format.field = V4L2_FIELD_NONE; fmt->format.colorspace = mode->bus_fmt; 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(&xs9922->mutex); return -ENOTTY; #endif } else { xs9922->cur_mode = mode; __v4l2_ctrl_s_ctrl(xs9922->link_freq, mode->mipi_freq_idx); pixel_rate = (u32)link_freq_items[mode->mipi_freq_idx] / mode->bpp * 2 * XS9922_LANES; __v4l2_ctrl_s_ctrl_int64(xs9922->pixel_rate, pixel_rate); dev_dbg(&xs9922->client->dev, "mipi_freq_idx %d\n", mode->mipi_freq_idx); dev_dbg(&xs9922->client->dev, "pixel_rate %lld\n", pixel_rate); #if (!__CLOSE_SENSOR__) switch_mode(xs9922); #endif } mutex_unlock(&xs9922->mutex); return 0; } static int xs9922_get_fmt(struct v4l2_subdev *sd, struct v4l2_subdev_pad_config *cfg, struct v4l2_subdev_format *fmt) { struct xs9922 *xs9922 = to_xs9922(sd); struct i2c_client *client = xs9922->client; const struct xs9922_mode *mode = xs9922->cur_mode; mutex_lock(&xs9922->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(&xs9922->mutex); return -ENOTTY; #endif } else { fmt->format.width = mode->width; fmt->format.height = mode->height; fmt->format.code = mode->bus_fmt; fmt->format.field = V4L2_FIELD_NONE; if (fmt->pad < PAD_MAX && fmt->pad >= PAD0) fmt->reserved[0] = mode->vc[fmt->pad]; else fmt->reserved[0] = mode->vc[PAD0]; } mutex_unlock(&xs9922->mutex); dev_dbg(&client->dev, "%s: %x %dx%d\n", __func__, fmt->format.code, fmt->format.width, fmt->format.height); return 0; } static int xs9922_enum_mbus_code(struct v4l2_subdev *sd, struct v4l2_subdev_pad_config *cfg, struct v4l2_subdev_mbus_code_enum *code) { struct xs9922 *xs9922 = to_xs9922(sd); if (code->index >= xs9922->cfg_num) return -EINVAL; code->code = supported_modes[code->index].bus_fmt; return 0; } static int xs9922_enum_frame_sizes(struct v4l2_subdev *sd, struct v4l2_subdev_pad_config *cfg, struct v4l2_subdev_frame_size_enum *fse) { struct xs9922 *xs9922 = to_xs9922(sd); struct i2c_client *client = xs9922->client; dev_dbg(&client->dev, "%s:\n", __func__); if (fse->index >= xs9922->cfg_num) return -EINVAL; if (fse->code != supported_modes[fse->index].bus_fmt) 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 xs9922_enum_frame_interval(struct v4l2_subdev *sd, struct v4l2_subdev_pad_config *cfg, struct v4l2_subdev_frame_interval_enum *fie) { //struct xs9922 *xs9922 = to_xs9922(sd); // printk("[hardy] %s:%d index:%d\n", __func__, __LINE__, fie->index); // if (fie->index >= xs9922->cfg_num) // return -EINVAL; // fie->code = supported_modes[fie->index].bus_fmt; // fie->width = supported_modes[fie->index].width; // fie->height = supported_modes[fie->index].height; // fie->interval = supported_modes[fie->index].max_fps; //fie->reserved[0] = supported_modes[fie->index].hdr_mode; fie->code = supported_modes[0].bus_fmt; fie->width = supported_modes[0].width; fie->height = supported_modes[0].height; fie->interval = supported_modes[0].max_fps; //fie->reserved[0] = supported_modes[0].hdr_mode; return 0; } /* static int xs9922_g_mbus_config(struct v4l2_subdev *sd, struct v4l2_mbus_config *cfg) { struct xs9922 *xs9922 = to_xs9922(sd); struct i2c_client *client = xs9922->client; const struct xs9922_mode *mode = xs9922->cur_mode; dev_dbg(&client->dev, "%s: mode->lanes = %d\n", __func__, mode->lanes); cfg->flags = V4L2_MBUS_CSI2_4_LANE | V4L2_MBUS_CSI2_CONTINUOUS_CLOCK | V4L2_MBUS_CSI2_CHANNELS; cfg->type = V4L2_MBUS_CSI2_DPHY; return 0; } */ static int xs9922_g_frame_interval(struct v4l2_subdev *sd, struct v4l2_subdev_frame_interval *fi) { struct xs9922 *xs9922 = to_xs9922(sd); const struct xs9922_mode *mode = xs9922->cur_mode; mutex_lock(&xs9922->mutex); fi->interval = mode->max_fps; mutex_unlock(&xs9922->mutex); return 0; } static void xs9922_get_module_inf(struct xs9922 *xs9922, struct rkmodule_inf *inf) { memset(inf, 0, sizeof(*inf)); strlcpy(inf->base.sensor, XS9922_NAME, sizeof(inf->base.sensor)); strlcpy(inf->base.module, xs9922->module_name, sizeof(inf->base.module)); strlcpy(inf->base.lens, xs9922->len_name, sizeof(inf->base.lens)); } static __maybe_unused int xs9922_auto_detect_hotplug(struct xs9922 *xs9922) { int ret = 0; u32 val0, val1, val2, val3; struct i2c_client *client = xs9922->client; #if 0 xs9922_read_reg(client, NI_4345_CDT_STATUS_CH0, XS9922_REG_VALUE_08BIT, &val0); xs9922_read_reg(client, NI_4346_CDT_STATUS_CH1, XS9922_REG_VALUE_08BIT, &val1); xs9922_read_reg(client, NI_4347_CDT_STATUS_CH2, XS9922_REG_VALUE_08BIT, &val2); xs9922_read_reg(client, NI_4348_CDT_STATUS_CH3, XS9922_REG_VALUE_08BIT, &val3); xs9922->detect_status = (val0 & 0x01) | (val1 & 0x01) << 1 | (val2 & 0x01) << 2 | (val3 & 0x01) << 3 ; #else xs9922_read_reg(client, NI_VIDEO_STATUS_CH0, XS9922_REG_VALUE_08BIT, &val0); xs9922_read_reg(client, NI_VIDEO_STATUS_CH1, XS9922_REG_VALUE_08BIT, &val1); xs9922_read_reg(client, NI_VIDEO_STATUS_CH2, XS9922_REG_VALUE_08BIT, &val2); xs9922_read_reg(client, NI_VIDEO_STATUS_CH3, XS9922_REG_VALUE_08BIT, &val3); xs9922->detect_status = ((~(val0>>4)) & 0x01) | ((~(val1>>4)) & 0x01) << 1 | ((~(val2>>4)) & 0x01) << 2 | ((~(val3>>4)) & 0x01) << 3 ; #endif //dev_dbg(&xs9922->client->dev, "%s: auto detect: 0x%x\n", __func__, xs9922->detect_status); return ret; } static void xs9922_get_vc_hotplug_inf(struct xs9922 *xs9922, struct rkmodule_vc_hotplug_info *inf) { memset(inf, 0, sizeof(*inf)); // xs9922_auto_detect_hotplug(xs9922); inf->detect_status = xs9922->detect_status; } static void xs9922_get_vicap_rst_inf(struct xs9922 *xs9922, struct rkmodule_vicap_reset_info *rst_info) { rst_info->is_reset = xs9922->is_reset; rst_info->src = RKCIF_RESET_SRC_ERR_HOTPLUG; } static void xs9922_set_vicap_rst_inf(struct xs9922 *xs9922, struct rkmodule_vicap_reset_info rst_info) { xs9922->is_reset = rst_info.is_reset; } static __maybe_unused int xs9922_mipi_reset_proc(struct xs9922 *xs9922) { int ret = 0; ret = xs9922_write_reg(xs9922->client, 0x5004, XS9922_REG_VALUE_08BIT, 0x00); ret |= xs9922_write_reg(xs9922->client, 0x5005, XS9922_REG_VALUE_08BIT, 0x00); ret |= xs9922_write_reg(xs9922->client, 0x5006, XS9922_REG_VALUE_08BIT, 0x00); ret |= xs9922_write_reg(xs9922->client, 0x5007, XS9922_REG_VALUE_08BIT, 0x00); //usleep_range(50*1000, 100*1000); ret = xs9922_write_reg(xs9922->client, 0x5004, XS9922_REG_VALUE_08BIT, 0x00); ret |= xs9922_write_reg(xs9922->client, 0x5005, XS9922_REG_VALUE_08BIT, 0x00); ret |= xs9922_write_reg(xs9922->client, 0x5006, XS9922_REG_VALUE_08BIT, 0x00); ret |= xs9922_write_reg(xs9922->client, 0x5007, XS9922_REG_VALUE_08BIT, 0x01); return ret; } static long xs9922_ioctl(struct v4l2_subdev *sd, unsigned int cmd, void *arg) { struct xs9922 *xs9922 = to_xs9922(sd); long ret = 0; u32 stream = 0; //dev_dbg(&xs9922->client->dev, "%s IN --->>> cmd:0x%x\n", __func__, cmd); switch (cmd) { case RKMODULE_GET_MODULE_INFO: xs9922_get_module_inf(xs9922, (struct rkmodule_inf *)arg); break; case RKMODULE_GET_VC_HOTPLUG_INFO: xs9922_get_vc_hotplug_inf(xs9922, (struct rkmodule_vc_hotplug_info *)arg); dev_dbg(&xs9922->client->dev, "[chad]Get VC Hotplug info --->>> detect status: %d\n",xs9922->detect_status); break; case RKMODULE_GET_VICAP_RST_INFO: xs9922_get_vicap_rst_inf(xs9922, (struct rkmodule_vicap_reset_info *)arg); //dev_err(&xs9922->client->dev, "[chad] Get vicap reset info --->>> is_reset : %d\n", xs9922->is_reset); break; case RKMODULE_SET_VICAP_RST_INFO: xs9922_set_vicap_rst_inf(xs9922, *(struct rkmodule_vicap_reset_info *)arg); //dev_err(&xs9922->client->dev, "[chad] Set vicap reset info --->>> is_reset : %d\n", xs9922->is_reset); break; case RKMODULE_GET_START_STREAM_SEQ: *(int *)arg = RKMODULE_START_STREAM_FRONT; break; case XS9922_SET_FMT: xs9922->cur_mode = xs9922_find_best_fit(xs9922, (struct v4l2_subdev_format *) arg); #if (!__CLOSE_SENSOR__) switch_mode(xs9922); #endif break; #if 1 case RKMODULE_SET_QUICK_STREAM: stream = *((u32 *)arg); if (stream) { dev_info(&xs9922->client->dev, "[chad]======== quick stream on: do xs9922 mipi reset start =======\n"); // xs9922_write_reg(xs9922->client, 0x50e0, XS9922_REG_VALUE_08BIT, 0x00); // xs9922_write_reg(xs9922->client, 0x50e1, XS9922_REG_VALUE_08BIT, 0x00); // xs9922_write_reg(xs9922->client, 0x50e2, XS9922_REG_VALUE_08BIT, 0x00); // xs9922_write_reg(xs9922->client, 0x50e3, XS9922_REG_VALUE_08BIT, 0x07); ret = xs9922_write_reg(xs9922->client, 0x5004, XS9922_REG_VALUE_08BIT, 0x00); ret |= xs9922_write_reg(xs9922->client, 0x5005, XS9922_REG_VALUE_08BIT, 0x00); ret |= xs9922_write_reg(xs9922->client, 0x5006, XS9922_REG_VALUE_08BIT, 0x00); ret |= xs9922_write_reg(xs9922->client, 0x5007, XS9922_REG_VALUE_08BIT, 0x01); // usleep_range(20*1000, 40*1000); ret = xs9922_write_reg(xs9922->client, 0x0e08, XS9922_REG_VALUE_08BIT, 0x01); ret |= xs9922_write_reg(xs9922->client, 0x1e08, XS9922_REG_VALUE_08BIT, 0x01); ret |= xs9922_write_reg(xs9922->client, 0x2e08, XS9922_REG_VALUE_08BIT, 0x01); ret |= xs9922_write_reg(xs9922->client, 0x3e08, XS9922_REG_VALUE_08BIT, 0x01); dev_info(&xs9922->client->dev, "[chad]======== quick stream on: do xs9922 mipi reset end =======\n"); } else { xs9922_write_reg(xs9922->client, 0x0e08, XS9922_REG_VALUE_08BIT, 0x00); xs9922_write_reg(xs9922->client, 0x1e08, XS9922_REG_VALUE_08BIT, 0x00); xs9922_write_reg(xs9922->client, 0x2e08, XS9922_REG_VALUE_08BIT, 0x00); xs9922_write_reg(xs9922->client, 0x3e08, XS9922_REG_VALUE_08BIT, 0x00); // xs9922_write_reg(xs9922->client, 0x50e0, XS9922_REG_VALUE_08BIT, 0x00); // xs9922_write_reg(xs9922->client, 0x50e1, XS9922_REG_VALUE_08BIT, 0x00); // xs9922_write_reg(xs9922->client, 0x50e2, XS9922_REG_VALUE_08BIT, 0x00); // xs9922_write_reg(xs9922->client, 0x50e3, XS9922_REG_VALUE_08BIT, 0x05); // xs9922_write_reg(xs9922->client, 0x50e0, XS9922_REG_VALUE_08BIT, 0x00); // xs9922_write_reg(xs9922->client, 0x50e1, XS9922_REG_VALUE_08BIT, 0x00); // xs9922_write_reg(xs9922->client, 0x50e2, XS9922_REG_VALUE_08BIT, 0x00); // xs9922_write_reg(xs9922->client, 0x50e3, XS9922_REG_VALUE_08BIT, 0x07); xs9922_write_reg(xs9922->client, 0x5004, XS9922_REG_VALUE_08BIT, 0x00); xs9922_write_reg(xs9922->client, 0x5005, XS9922_REG_VALUE_08BIT, 0x00); xs9922_write_reg(xs9922->client, 0x5006, XS9922_REG_VALUE_08BIT, 0x00); xs9922_write_reg(xs9922->client, 0x5007, XS9922_REG_VALUE_08BIT, 0x00); dev_info(&xs9922->client->dev, "[chad]======== quick stream off:xs9922 mipi Disabled =======\n"); } break; #endif default: ret = -ENOTTY; break; } return ret; } #ifdef CONFIG_COMPAT static long xs9922_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; struct rkmodule_vc_hotplug_info *vc_hp_inf; struct rkmodule_vicap_reset_info *vicap_rst_inf; int *seq; long ret = 0; switch (cmd) { case RKMODULE_GET_MODULE_INFO: inf = kzalloc(sizeof(*inf), GFP_KERNEL); if (!inf) { ret = -ENOMEM; return ret; } ret = xs9922_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 = xs9922_ioctl(sd, cmd, cfg); kfree(cfg); break; case RKMODULE_GET_VC_HOTPLUG_INFO: vc_hp_inf = kzalloc(sizeof(*vc_hp_inf), GFP_KERNEL); if (!vc_hp_inf) { ret = -ENOMEM; return ret; } ret = xs9922_ioctl(sd, cmd, vc_hp_inf); if (!ret) ret = copy_to_user(up, vc_hp_inf, sizeof(*vc_hp_inf)); kfree(vc_hp_inf); break; case RKMODULE_GET_VICAP_RST_INFO: vicap_rst_inf = kzalloc(sizeof(*vicap_rst_inf), GFP_KERNEL); if (!vicap_rst_inf) { ret = -ENOMEM; return ret; } ret = xs9922_ioctl(sd, cmd, vicap_rst_inf); if (!ret) ret = copy_to_user(up, vicap_rst_inf, sizeof(*vicap_rst_inf)); kfree(vicap_rst_inf); break; case RKMODULE_SET_VICAP_RST_INFO: vicap_rst_inf = kzalloc(sizeof(*vicap_rst_inf), GFP_KERNEL); if (!vicap_rst_inf) { ret = -ENOMEM; return ret; } ret = copy_from_user(vicap_rst_inf, up, sizeof(*vicap_rst_inf)); if (!ret) ret = xs9922_ioctl(sd, cmd, vicap_rst_inf); kfree(vicap_rst_inf); break; case RKMODULE_GET_START_STREAM_SEQ: seq = kzalloc(sizeof(*seq), GFP_KERNEL); if (!seq) { ret = -ENOMEM; return ret; } ret = xs9922_ioctl(sd, cmd, seq); if (!ret) ret = copy_to_user(up, seq, sizeof(*seq)); kfree(seq); break; default: ret = -ENOIOCTLCMD; break; } return ret; } #endif static int detect_thread_function(void *data) { struct xs9922 *xs9922 = (struct xs9922 *) data; struct i2c_client *client = xs9922->client; unsigned char bits = 0, ch; int need_reset_wait = -1; if (xs9922->power_on) { xs9922_auto_detect_hotplug(xs9922); xs9922->last_detect_status = xs9922->detect_status; xs9922->is_reset = 0; } while (!kthread_should_stop()) { if (xs9922->power_on) { xs9922_auto_detect_hotplug(xs9922); if (xs9922->last_detect_status != xs9922->detect_status) { if (xs9922->last_detect_status < xs9922->detect_status) { bits = xs9922->last_detect_status ^ xs9922->detect_status; for (ch = 0; ch < 4; ch++) { if (bits & (1 << ch)) { dev_err(&client->dev, "[chad]================ xs9922 detect ch %d plug in!!! ===============\n", ch); } } } else {//means something channel plug out detect bits = xs9922->last_detect_status ^ xs9922->detect_status; for (ch = 0; ch < 4; ch++) { if (bits & (1 << ch)) { dev_err(&client->dev, "[chad]================ xs9922 detect ch %d plug Out!!! ===============\n", ch); } } } if (need_reset_wait < 0) need_reset_wait = 2; //wait for 1 second to set reset status. if (need_reset_wait > 0) { need_reset_wait--; } if (need_reset_wait == 0) { //wait 1s to set is_reset to vicap. need_reset_wait = -1; xs9922->is_reset = 1; xs9922->last_detect_status = xs9922->detect_status; input_event(xs9922->input_dev, EV_MSC, MSC_RAW, xs9922->detect_status); input_sync(xs9922->input_dev); dev_err(&client->dev, "[chad] =============trigger reset time up==============\n"); } } } set_current_state(TASK_INTERRUPTIBLE); if (0x0f == xs9922->detect_status) { schedule_timeout(msecs_to_jiffies(100)); } else { schedule_timeout(msecs_to_jiffies(1000)); } } return 0; } int __maybe_unused detect_thread_start(struct xs9922 *xs9922) { int ret = 0; struct i2c_client *client = xs9922->client; xs9922->detect_thread = kthread_create(detect_thread_function, xs9922, "xs9922_kthread"); if (IS_ERR(xs9922->detect_thread)) { dev_err(&client->dev, "kthread_create xs9922_kthread failed\n"); ret = PTR_ERR(xs9922->detect_thread); xs9922->detect_thread = NULL; return ret; } wake_up_process(xs9922->detect_thread); return ret; } static int __maybe_unused detect_thread_stop(struct xs9922 *xs9922) { if (xs9922->detect_thread) kthread_stop(xs9922->detect_thread); xs9922->detect_thread = NULL; return 0; } //////////////////////////////////////////////////////////////// static int __xs9922_start_stream(struct xs9922 *xs9922) { struct i2c_client *client = xs9922->client; #if __CLOSE_SENSOR__ switch_mode(xs9922); detect_thread_start(xs9922); #else xs9922_write_array(client, xs9922_mipi_reset_new); #endif xs9922_write_reg(client, 0x0e08, XS9922_REG_VALUE_08BIT, 0x01); xs9922_write_reg(client, 0x1e08, XS9922_REG_VALUE_08BIT, 0x01); xs9922_write_reg(client, 0x2e08, XS9922_REG_VALUE_08BIT, 0x01); xs9922_write_reg(client, 0x3e08, XS9922_REG_VALUE_08BIT, 0x01); usleep_range(200*1000, 400*1000); dev_dbg(&client->dev, "%s OUT---<<<\n", __func__); return 0; } static int __xs9922_stop_stream(struct xs9922 *xs9922) { struct i2c_client *client = xs9922->client; dev_dbg(&client->dev, "%s In---<<<\n", __func__); // detect_thread_stop(xs9922); xs9922_write_reg(client, 0x0e08, XS9922_REG_VALUE_08BIT, 0x00); xs9922_write_reg(client, 0x1e08, XS9922_REG_VALUE_08BIT, 0x00); xs9922_write_reg(client, 0x2e08, XS9922_REG_VALUE_08BIT, 0x00); xs9922_write_reg(client, 0x3e08, XS9922_REG_VALUE_08BIT, 0x00); #if __CLOSE_SENSOR__ detect_thread_stop(xs9922); #endif dev_dbg(&client->dev, "%s OUT---<<<\n", __func__); return 0; } static int xs9922_stream(struct v4l2_subdev *sd, int on) { struct xs9922 *xs9922 = to_xs9922(sd); struct i2c_client *client = xs9922->client; dev_dbg(&client->dev, "%s: s_stream: %d. %dx%d\n", __func__, on, xs9922->cur_mode->width, xs9922->cur_mode->height); mutex_lock(&xs9922->mutex); on = !!on; if (xs9922->streaming == on) goto unlock; if (on) { __xs9922_start_stream(xs9922); } else { __xs9922_stop_stream(xs9922); } xs9922->streaming = on; unlock: mutex_unlock(&xs9922->mutex); return 0; } static int xs9922_power(struct v4l2_subdev *sd, int on) { struct xs9922 *xs9922 = to_xs9922(sd); struct i2c_client *client = xs9922->client; int ret = 0; dev_dbg(&client->dev, "%s: on %d\n", __func__, on); #if (!__CLOSE_SENSOR__) if (xs9922->power_on) return 0; #endif mutex_lock(&xs9922->mutex); /* If the power state is not modified - no work to do. */ if (xs9922->power_on == !!on) goto exit; if (on) { ret = pm_runtime_get_sync(&client->dev); if (ret < 0) { pm_runtime_put_noidle(&client->dev); goto exit; } xs9922->power_on = true; } else { pm_runtime_put(&client->dev); xs9922->power_on = false; } exit: mutex_unlock(&xs9922->mutex); dev_dbg(&client->dev, "%s: on %d ret:%d\n", __func__, on, ret); return ret; } static int __xs9922_power_on(struct xs9922 *xs9922) { int ret; struct device *dev = &xs9922->client->dev; dev_dbg(dev, "%s\n", __func__); #if (!__CLOSE_SENSOR__) if (xs9922->power_on ) return 0; #endif if (!IS_ERR_OR_NULL(xs9922->pins_default)) { ret = pinctrl_select_state(xs9922->pinctrl, xs9922->pins_default); if (ret < 0) dev_err(dev, "could not set pins. ret=%d\n", ret); } if (!IS_ERR(xs9922->power_gpio)) { gpiod_set_value_cansleep(xs9922->power_gpio, 1); dev_err(dev, "power gpio pull high\n"); usleep_range(25*1000, 30*1000); } //usleep_range(1500, 2000); ret = clk_set_rate(xs9922->xvclk, XS9922_XVCLK_FREQ); if (ret < 0) dev_warn(dev, "Failed to set xvclk rate\n"); if (clk_get_rate(xs9922->xvclk) != XS9922_XVCLK_FREQ) dev_warn(dev, "xvclk mismatched\n"); ret = clk_prepare_enable(xs9922->xvclk); if (ret < 0) { dev_err(dev, "Failed to enable xvclk\n"); goto err_clk; } if (!IS_ERR(xs9922->reset_gpio)) { gpiod_set_value_cansleep(xs9922->reset_gpio, 0); dev_err(dev, "reset gpio pull high\n"); usleep_range(5*1000, 10*1000); gpiod_set_value_cansleep(xs9922->reset_gpio, 1); usleep_range(10*1000, 20*1000); } //usleep_range(10*1000, 20*1000); dev_dbg(dev, "%s OUT\n", __func__); return 0; err_clk: if (!IS_ERR(xs9922->reset_gpio)) gpiod_set_value_cansleep(xs9922->reset_gpio, 1); if (!IS_ERR_OR_NULL(xs9922->pins_sleep)) pinctrl_select_state(xs9922->pinctrl, xs9922->pins_sleep); return ret; } static void __xs9922_power_off(struct xs9922 *xs9922) { struct device *dev = &xs9922->client->dev; #if __CLOSE_SENSOR__ int ret; if (!IS_ERR(xs9922->reset_gpio)) gpiod_set_value_cansleep(xs9922->reset_gpio, 0); clk_disable_unprepare(xs9922->xvclk); if (!IS_ERR_OR_NULL(xs9922->pins_sleep)) { ret = pinctrl_select_state(xs9922->pinctrl, xs9922->pins_sleep); if (ret < 0) dev_dbg(dev, "could not set pins\n"); } //if (!IS_ERR(xs9922->power_gpio)) //gpiod_set_value_cansleep(xs9922->power_gpio, 0); #endif dev_dbg(dev, "[hardy] %s:%d\n", __FUNCTION__, __LINE__); } /* Get status of additional camera capabilities */ static int xs9922_g_volatile_ctrl(struct v4l2_ctrl *ctrl) { struct xs9922 *priv = container_of(ctrl->handler, struct xs9922, ctrl_handler); struct v4l2_subdev *sd = &priv->subdev; struct i2c_client *client = v4l2_get_subdevdata(sd); int ret, value; dev_dbg(&client->dev, "id: %d\n", ctrl->id); switch (ctrl->id) { default: return -EINVAL; case V4L2_CID_CONTRAST: // 0~255 <- 0~255 return xs9922_read_reg(client, 0x0106, XS9922_REG_VALUE_08BIT, &ctrl->val); case V4L2_CID_BRIGHTNESS: // 0~255 <- -128~127 ret = xs9922_read_reg(client, 0x0107, XS9922_REG_VALUE_08BIT, &value); ctrl->val = value+128; return ret; case V4L2_CID_SATURATION: // 0~255 <- 0~255 return xs9922_read_reg(client, 0x0108, XS9922_REG_VALUE_08BIT, &ctrl->val); case V4L2_CID_HUE: // -128~127 <- 0~255 ret = xs9922_read_reg(client, 0x0109, XS9922_REG_VALUE_08BIT, &value); ctrl->val = value+128; return ret; } } /* Set status of additional camera capabilities */ static int xs9922_s_ctrl(struct v4l2_ctrl *ctrl) { struct xs9922 *priv = container_of(ctrl->handler, struct xs9922, ctrl_handler); struct v4l2_subdev *sd = &priv->subdev; struct i2c_client *client = v4l2_get_subdevdata(sd); int value = 0; dev_dbg(&client->dev, "id: %d val:%d\n", ctrl->id, ctrl->val); switch (ctrl->id) { default: return -EINVAL; case V4L2_CID_CONTRAST: // 0~255 -> 0~255 xs9922_write_reg(client, 0x1106, XS9922_REG_VALUE_08BIT, ctrl->val); xs9922_write_reg(client, 0x2106, XS9922_REG_VALUE_08BIT, ctrl->val); xs9922_write_reg(client, 0x3106, XS9922_REG_VALUE_08BIT, ctrl->val); return xs9922_write_reg(client, 0x0106, XS9922_REG_VALUE_08BIT, ctrl->val); case V4L2_CID_BRIGHTNESS: // 0~255 -> -128~127 value = ctrl->val - 128; xs9922_write_reg(client, 0x1107, XS9922_REG_VALUE_08BIT, value); xs9922_write_reg(client, 0x2107, XS9922_REG_VALUE_08BIT, value); xs9922_write_reg(client, 0x3107, XS9922_REG_VALUE_08BIT, value); return xs9922_write_reg(client, 0x0107, XS9922_REG_VALUE_08BIT, value); case V4L2_CID_SATURATION: // 0~255 -> 0~255 xs9922_write_reg(client, 0x1108, XS9922_REG_VALUE_08BIT, ctrl->val); xs9922_write_reg(client, 0x2108, XS9922_REG_VALUE_08BIT, ctrl->val); xs9922_write_reg(client, 0x3108, XS9922_REG_VALUE_08BIT, ctrl->val); return xs9922_write_reg(client, 0x0108, XS9922_REG_VALUE_08BIT, ctrl->val); case V4L2_CID_HUE: // 0~255 -> -128~127 value = ctrl->val - 128; xs9922_write_reg(client, 0x1109, XS9922_REG_VALUE_08BIT, value); xs9922_write_reg(client, 0x2109, XS9922_REG_VALUE_08BIT, value); xs9922_write_reg(client, 0x3109, XS9922_REG_VALUE_08BIT, value); return xs9922_write_reg(client, 0x0109, XS9922_REG_VALUE_08BIT, value); } } static const struct v4l2_ctrl_ops xs9922_ctrl_ops = { .g_volatile_ctrl = xs9922_g_volatile_ctrl, .s_ctrl = xs9922_s_ctrl, }; static int xs9922_initialize_controls(struct xs9922 *xs9922) { const struct xs9922_mode *mode; struct v4l2_ctrl_handler *handler; u64 pixel_rate; int ret; handler = &xs9922->ctrl_handler; mode = xs9922->cur_mode; ret = v4l2_ctrl_handler_init(handler, 5); if (ret) return ret; handler->lock = &xs9922->mutex; xs9922->link_freq = v4l2_ctrl_new_int_menu(handler, NULL, V4L2_CID_LINK_FREQ, ARRAY_SIZE(link_freq_items) - 1, 0, link_freq_items); __v4l2_ctrl_s_ctrl(xs9922->link_freq, mode->mipi_freq_idx); /* pixel rate = link frequency * 2 * lanes / BITS_PER_SAMPLE */ pixel_rate = (u32)link_freq_items[mode->mipi_freq_idx] / mode->bpp * 2 * XS9922_LANES; dev_err(&xs9922->client->dev, "pixel_rate(%u)\n", (u32)pixel_rate); xs9922->pixel_rate = v4l2_ctrl_new_std(handler, NULL, V4L2_CID_PIXEL_RATE, 0, pixel_rate, 1, pixel_rate); v4l2_ctrl_new_std(handler, &xs9922_ctrl_ops, V4L2_CID_BRIGHTNESS, 0, 0xff, 1, 0x80); v4l2_ctrl_new_std(handler, &xs9922_ctrl_ops, V4L2_CID_CONTRAST, 0, 0xff, 1, 0x80); v4l2_ctrl_new_std(handler, &xs9922_ctrl_ops, V4L2_CID_SATURATION, 0, 0xff, 1, 0x80); v4l2_ctrl_new_std(handler, &xs9922_ctrl_ops, V4L2_CID_HUE, 0, 0xff, 1, 0x80); if (handler->error) { ret = handler->error; dev_err(&xs9922->client->dev, "Failed to init controls(%d)\n", ret); goto err_free_handler; } xs9922->subdev.ctrl_handler = handler; return 0; err_free_handler: v4l2_ctrl_handler_free(handler); return ret; } #if __CLOSE_SENSOR__ static int xs9922_runtime_resume(struct device *dev) { struct i2c_client *client = to_i2c_client(dev); struct v4l2_subdev *sd = i2c_get_clientdata(client); struct xs9922 *xs9922 = to_xs9922(sd); dev_dbg(&client->dev, "%s \n",__func__); return __xs9922_power_on(xs9922); } static int xs9922_runtime_suspend(struct device *dev) { struct i2c_client *client = to_i2c_client(dev); struct v4l2_subdev *sd = i2c_get_clientdata(client); struct xs9922 *xs9922 = to_xs9922(sd); dev_dbg(&client->dev, "%s \n",__func__); __xs9922_power_off(xs9922); return 0; } #endif #ifdef CONFIG_VIDEO_V4L2_SUBDEV_API static int xs9922_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh) { struct xs9922 *xs9922 = to_xs9922(sd); struct v4l2_mbus_framefmt *try_fmt = v4l2_subdev_get_try_format(sd, fh->pad, 0); const struct xs9922_mode *def_mode = xs9922->cur_mode; dev_dbg(&xs9922->client->dev, "%s\n", __func__); mutex_lock(&xs9922->mutex); /* Initialize try_fmt */ try_fmt->width = def_mode->width; try_fmt->height = def_mode->height; try_fmt->code = def_mode->bus_fmt; try_fmt->field = V4L2_FIELD_NONE; mutex_unlock(&xs9922->mutex); /* No crop or compose */ return 0; } #endif #ifdef CONFIG_VIDEO_V4L2_SUBDEV_API static const struct v4l2_subdev_internal_ops xs9922_internal_ops = { .open = xs9922_open, }; #endif static const struct v4l2_subdev_video_ops xs9922_video_ops = { .s_stream = xs9922_stream, //.g_mbus_config = xs9922_g_mbus_config, .g_frame_interval = xs9922_g_frame_interval, }; static const struct v4l2_subdev_pad_ops xs9922_subdev_pad_ops = { .enum_mbus_code = xs9922_enum_mbus_code, .enum_frame_size = xs9922_enum_frame_sizes, .enum_frame_interval = xs9922_enum_frame_interval, .get_fmt = xs9922_get_fmt, .set_fmt = xs9922_set_fmt, .get_mbus_config = xs9922_g_mbus_config, }; static const struct v4l2_subdev_core_ops xs9922_core_ops = { .s_power = xs9922_power, .ioctl = xs9922_ioctl, #ifdef CONFIG_COMPAT .compat_ioctl32 = xs9922_compat_ioctl32, #endif }; static const struct v4l2_subdev_ops xs9922_subdev_ops = { .core = &xs9922_core_ops, .video = &xs9922_video_ops, .pad = &xs9922_subdev_pad_ops, }; static int __maybe_unused check_chip_id(struct i2c_client *client){ struct device *dev = &client->dev; u32 chip_id0 = 0; u32 chip_id1 = 0; xs9922_read_reg(client, NI_40F0_DEVICE_ID_1, XS9922_REG_VALUE_08BIT, &chip_id1); xs9922_read_reg(client, NI_40F1_DEVICE_ID_0, XS9922_REG_VALUE_08BIT, &chip_id0); dev_err(dev, "chip_id : 0x%04x\n", chip_id1 << 8| chip_id0); if((chip_id1 != NI_ID1) ||(chip_id0 != NI_ID0)) { dev_err(dev, "the id of the ni9922 don't match\n"); dev_err(dev, "chip_id1 = %02x should be 0x99\n",chip_id1); dev_err(dev, "chip_id0 = %02x should be 0x22\n",chip_id0); return -1; } return 0; } static int xs9922_probe(struct i2c_client *client, const struct i2c_device_id *id) { struct device *dev = &client->dev; struct device_node *node = dev->of_node; struct xs9922 *xs9922; struct v4l2_subdev *sd; int ret; dev_info(dev, "driver version: %02x.%02x.%02x", DRIVER_VERSION >> 16, (DRIVER_VERSION & 0xff00) >> 8, DRIVER_VERSION & 0x00ff); xs9922 = devm_kzalloc(dev, sizeof(*xs9922), GFP_KERNEL); if (!xs9922) return -ENOMEM; ret = of_property_read_u32(node, RKMODULE_CAMERA_MODULE_INDEX, &xs9922->module_index); ret |= of_property_read_string(node, RKMODULE_CAMERA_MODULE_NAME, &xs9922->module_name); ret |= of_property_read_string(node, RKMODULE_CAMERA_LENS_NAME, &xs9922->len_name); if (ret) { dev_err(dev, "could not get %s!\n", RKMODULE_CAMERA_LENS_NAME); return -EINVAL; } xs9922->client = client; xs9922->cur_mode = &supported_modes[0]; xs9922->cfg_num = ARRAY_SIZE(supported_modes); xs9922->xvclk = devm_clk_get(dev, "xvclk"); if (IS_ERR(xs9922->xvclk)) { dev_err(dev, "Failed to get xvclk\n"); return -EINVAL; } xs9922->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW); if (IS_ERR(xs9922->reset_gpio)) dev_warn(dev, "Failed to get reset-gpios\n"); xs9922->power_gpio = devm_gpiod_get(dev, "power", GPIOD_OUT_LOW); if (IS_ERR(xs9922->power_gpio)) dev_warn(dev, "Failed to get power-gpios\n"); xs9922->cam_gpio = devm_gpiod_get(dev, "camera", GPIOD_OUT_LOW); xs9922->pinctrl = devm_pinctrl_get(dev); if (!IS_ERR(xs9922->pinctrl)) { xs9922->pins_default = pinctrl_lookup_state(xs9922->pinctrl, OF_CAMERA_PINCTRL_STATE_DEFAULT); if (IS_ERR(xs9922->pins_default)) dev_info(dev, "could not get default pinstate\n"); xs9922->pins_sleep = pinctrl_lookup_state(xs9922->pinctrl, OF_CAMERA_PINCTRL_STATE_SLEEP); if (IS_ERR(xs9922->pins_sleep)) dev_info(dev, "could not get sleep pinstate\n"); } else { dev_info(dev, "no pinctrl\n"); } mutex_init(&xs9922->mutex); sd = &xs9922->subdev; v4l2_i2c_subdev_init(sd, client, &xs9922_subdev_ops); ret = xs9922_initialize_controls(xs9922); if (ret) { dev_err(dev, "Failed to initialize controls xs9922\n"); goto err_destroy_mutex; } ret = __xs9922_power_on(xs9922); if (ret) { dev_err(dev, "Failed to power on xs9922\n"); goto err_free_handler; } ret = check_chip_id(client); if (ret) { dev_err(dev, "Failed to check senosr id\n"); goto err_free_handler; } #ifdef CONFIG_VIDEO_V4L2_SUBDEV_API sd->internal_ops = &xs9922_internal_ops; sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; #endif #if defined(CONFIG_MEDIA_CONTROLLER) xs9922->pad.flags = MEDIA_PAD_FL_SOURCE; sd->entity.function = MEDIA_ENT_F_CAM_SENSOR; ret = media_entity_pads_init(&sd->entity, 1, &xs9922->pad); if (ret < 0) goto err_power_off; #endif snprintf(sd->name, sizeof(sd->name), "m%02d_%s %s", xs9922->module_index, XS9922_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; } if (sysfs_create_group(&dev->kobj, &dev_attr_grp)) return -ENODEV; xs9922->input_dev = devm_input_allocate_device(dev); if (xs9922->input_dev == NULL) { dev_err(dev, "failed to allocate xs9922 input device\n"); return -ENOMEM; } xs9922->input_dev->name = "xs9922_input_event"; set_bit(EV_MSC, xs9922->input_dev->evbit); set_bit(MSC_RAW, xs9922->input_dev->mscbit); ret = input_register_device(xs9922->input_dev); if (ret) { pr_err("%s: failed to register xs9922 input device\n", __func__); return ret; } pm_runtime_set_active(dev); pm_runtime_enable(dev); pm_runtime_idle(dev); if (1) { struct task_struct *read_thread = kthread_create(read_config, xs9922, "xs9922_readconfig"); if (IS_ERR(read_thread)) { printk(KERN_ERR "kthread_create xs9922_readconfig failed\n"); } else { wake_up_process(read_thread); } } dev_dbg(dev, "%s run here\n", __func__); return 0; err_clean_entity: #if defined(CONFIG_MEDIA_CONTROLLER) media_entity_cleanup(&sd->entity); #endif err_power_off: __xs9922_power_off(xs9922); err_free_handler: v4l2_ctrl_handler_free(&xs9922->ctrl_handler); err_destroy_mutex: mutex_destroy(&xs9922->mutex); return ret; } static int xs9922_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); struct xs9922 *xs9922 = to_xs9922(sd); if (!IS_ERR(xs9922->cam_gpio)) { gpiod_set_value_cansleep(xs9922->cam_gpio, 0); } if (!IS_ERR(xs9922->power_gpio)) { gpiod_set_value_cansleep(xs9922->power_gpio, 0); } v4l2_async_unregister_subdev(sd); #if defined(CONFIG_MEDIA_CONTROLLER) media_entity_cleanup(&sd->entity); #endif v4l2_ctrl_handler_free(&xs9922->ctrl_handler); mutex_destroy(&xs9922->mutex); pm_runtime_disable(&client->dev); if (!pm_runtime_status_suspended(&client->dev)) __xs9922_power_off(xs9922); pm_runtime_set_suspended(&client->dev); return 0; } #if __CLOSE_SENSOR__ static const struct dev_pm_ops xs9922_pm_ops = { SET_RUNTIME_PM_OPS(xs9922_runtime_suspend, xs9922_runtime_resume, NULL) }; #endif #if IS_ENABLED(CONFIG_OF) static const struct of_device_id xs9922_of_match[] = { { .compatible = "xs9922" }, {}, }; MODULE_DEVICE_TABLE(of, xs9922_of_match); #endif static const struct i2c_device_id xs9922_match_id[] = { { "xs9922", 0 }, { }, }; static struct i2c_driver xs9922_i2c_driver = { .driver = { .name = XS9922_NAME, #if __CLOSE_SENSOR__ .pm = &xs9922_pm_ops, #endif .of_match_table = of_match_ptr(xs9922_of_match), }, .probe = &xs9922_probe, .remove = &xs9922_remove, .id_table = xs9922_match_id, }; module_i2c_driver(xs9922_i2c_driver); MODULE_AUTHOR("hardy "); MODULE_DESCRIPTION("xs9922 sensor driver"); MODULE_LICENSE("GPL v2");