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android13/kernel-5.10/drivers/media/i2c/xs9922/xs9922.c

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// SPDX-License-Identifier: GPL-2.0
/*
* xs9922 driver
*
* Copyright (C) 2021 Rockchip Electronics Co., Ltd.
*
* V0.0X01.0X00 first version.
*/
#define DEBUG
#include <linux/clk.h>
#include <linux/device.h>
#include <linux/delay.h>
#include <linux/gpio/consumer.h>
#include <linux/i2c.h>
#include <linux/module.h>
#include <linux/pm_runtime.h>
#include <linux/regulator/consumer.h>
#include <linux/sysfs.h>
#include <linux/slab.h>
#include <linux/version.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>
#include <linux/rk-preisp.h>
#include <linux/sched.h>
#include <linux/kthread.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <sound/tlv.h>
#include <linux/of_gpio.h>
#include <linux/platform_device.h>
#include <linux/input.h>
#include <drm/drm_modes.h>
#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 *)&reg_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 <yangjianzhong@percherry.com>");
MODULE_DESCRIPTION("xs9922 sensor driver");
MODULE_LICENSE("GPL v2");
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