1461 lines
36 KiB
C

// SPDX-License-Identifier: GPL-2.0
/*
* jaguar1 driver
* V0.0X01.0X00 first version.
* V0.0X01.0X01 fix kernel5.10 compile error.
* V0.0X01.0X02 add workqueue to detect ahd state.
*
*/
#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 <media/media-entity.h>
#include <media/v4l2-async.h>
#include <media/v4l2-ctrls.h>
#include <media/v4l2-subdev.h>
#include <media/v4l2-fwnode.h>
#include <linux/pinctrl/consumer.h>
#include <linux/of.h>
#include <linux/of_device.h>
#include <linux/of_graph.h>
#include <linux/of_platform.h>
#include <linux/of_gpio.h>
#include <linux/mfd/syscon.h>
#include <linux/version.h>
#include <linux/rk-camera-module.h>
#include <linux/rk-preisp.h>
#include "jaguar1_common.h"
#include "jaguar1_video.h"
#include "jaguar1_coax_protocol.h"
#include "jaguar1_motion.h"
#include "jaguar1_ioctl.h"
#include "jaguar1_video_eq.h"
#include "jaguar1_mipi.h"
#include "jaguar1_drv.h"
#include "jaguar1_v4l2.h"
#define WORK_QUEUE
#ifdef WORK_QUEUE
#include <linux/workqueue.h>
struct sensor_state_check_work {
struct workqueue_struct *state_check_wq;
struct delayed_work d_work;
};
#endif
#define DRIVER_VERSION KERNEL_VERSION(0, 0x01, 0x2)
#ifndef V4L2_CID_DIGITAL_GAIN
#define V4L2_CID_DIGITAL_GAIN V4L2_CID_GAIN
#endif
#define JAGUAR1_XVCLK_FREQ 24000000
#define JAGUAR1_LINK_FREQ 320000000
#define JAGUAR1_LANES 4
#define JAGUAR1_BITS_PER_SAMPLE 8
/* pixel rate = link frequency * 2 * lanes / BITS_PER_SAMPLE */
#define JAGUAR1_PIXEL_RATE \
(JAGUAR1_LINK_FREQ * 2 / JAGUAR1_BITS_PER_SAMPLE * JAGUAR1_LANES)
#define OF_CAMERA_PINCTRL_STATE_DEFAULT "rockchip,camera_default"
#define OF_CAMERA_PINCTRL_STATE_SLEEP "rockchip,camera_sleep"
#define OF_CAMERA_MODULE_REGULATORS "rockchip,regulator-names"
#define OF_CAMERA_MODULE_REGULATOR_VOLTAGES "rockchip,regulator-voltages"
#define RK_CAMERA_MODULE_DEFAULT_RECT "rockchip,default_rect"
#define JAGUAR1_DEFAULT_WIDTH 1920
#define JAGUAR1_DEFAULT_HEIGHT 1080
#define JAGUAR1_NAME "jaguar1"
/* #define FORCE_720P */
struct jaguar1_gpio {
int pltfrm_gpio;
const char *label;
enum of_gpio_flags active_low;
};
struct jaguar1_regulator {
struct regulator *regulator;
u32 min_uV;
u32 max_uV;
};
struct jaguar1_regulators {
u32 cnt;
struct jaguar1_regulator *regulator;
};
struct jaguar1_pixfmt {
u32 code;
};
struct jaguar1_framesize {
u16 width;
u16 height;
struct v4l2_fract max_fps;
enum NC_VIVO_CH_FORMATDEF fmt_idx;
__u32 field;
};
struct jaguar1_default_rect {
unsigned int width;
unsigned int height;
};
enum jaguar1_hot_plug_state {
PLUG_IN = 0,
PLUG_OUT,
PLUG_STATE_MAX,
};
struct jaguar1 {
struct i2c_client *client;
struct clk *xvclk;
struct gpio_desc *rst_gpio;
struct gpio_desc *rst2_gpio;
struct gpio_desc *pd_gpio;
struct gpio_desc *pd2_gpio;
struct gpio_desc *pwd_gpio;
struct gpio_desc *pwd2_gpio;
struct pinctrl *pinctrl;
struct pinctrl_state *pins_default;
struct pinctrl_state *pins_sleep;
struct v4l2_subdev subdev;
struct media_pad pad[PAD_MAX];
struct v4l2_ctrl_handler ctrl_handler;
struct mutex mutex;
bool power_on;
struct jaguar1_regulators regulators;
u32 module_index;
const char *module_facing;
const char *module_name;
const char *len_name;
struct v4l2_mbus_framefmt format;
const struct jaguar1_framesize *frame_size;
int streaming;
struct jaguar1_default_rect defrect;
#ifdef WORK_QUEUE
struct sensor_state_check_work plug_state_check;
u8 cur_detect_status;
u8 last_detect_status;
u64 timestamp0;
u64 timestamp1;
#endif
bool hot_plug;
u8 is_reset;
struct semaphore reg_sem;
};
#define to_jaguar1(sd) container_of(sd, struct jaguar1, subdev)
static const struct jaguar1_framesize jaguar1_framesizes[] = {
#if defined CONFIG_VIDEO_ROCKCHIP_USBACM_CONTROL
{
.width = 2560,
.height = 1440,
.max_fps = {
.numerator = 10000,
.denominator = 250000,
},
.fmt_idx = AHD20_720P_25P,
}
#else
{
.width = 960,
.height = 480,
.max_fps = {
.numerator = 10000,
.denominator = 250000,
},
.fmt_idx = AHD20_SD_H960_2EX_Btype_NT,
.field = V4L2_FIELD_INTERLACED,
},
{
.width = 960,
.height = 576,
.max_fps = {
.numerator = 10000,
.denominator = 300000,
},
.fmt_idx = AHD20_SD_H960_2EX_Btype_PAL,
.field = V4L2_FIELD_INTERLACED,
},
{
.width = 1280,
.height = 720,
.max_fps = {
.numerator = 10000,
.denominator = 250000,
},
.fmt_idx = AHD20_720P_25P_EX_Btype,
.field = V4L2_FIELD_NONE
},
{
.width = 1920,
.height = 1080,
.max_fps = {
.numerator = 10000,
.denominator = 250000,
},
.fmt_idx = AHD20_1080P_25P,
.field = V4L2_FIELD_NONE
},
{
.width = 2560,
.height = 1440,
.max_fps = {
.numerator = 10000,
.denominator = 250000,
},
.fmt_idx = AHD20_720P_25P,
.field = V4L2_FIELD_NONE
}
#endif
};
static const struct jaguar1_pixfmt jaguar1_formats[] = {
{
.code = MEDIA_BUS_FMT_UYVY8_2X8
},
};
static const s64 link_freq_menu_items[] = {
JAGUAR1_LINK_FREQ
};
/* sensor register write */
static int jaguar1_write(struct i2c_client *client, u8 reg, u8 val)
{
struct i2c_msg msg;
u8 buf[2];
int ret;
dev_dbg(&client->dev, "write reg(0x%x val:0x%x)!\n", reg, val);
buf[0] = reg & 0xFF;
buf[1] = val;
msg.addr = client->addr;
msg.flags = client->flags;
msg.buf = buf;
msg.len = sizeof(buf);
ret = i2c_transfer(client->adapter, &msg, 1);
if (ret >= 0)
return 0;
dev_err(&client->dev,
"jaguar1 write reg(0x%x val:0x%x) failed !\n", reg, val);
return ret;
}
/* sensor register read */
static int jaguar1_read(struct i2c_client *client, u8 reg, u8 *val)
{
struct i2c_msg msg[2];
u8 buf[1];
int ret;
buf[0] = reg & 0xFF;
msg[0].addr = client->addr;
msg[0].flags = client->flags;
msg[0].buf = buf;
msg[0].len = sizeof(buf);
msg[1].addr = client->addr;
msg[1].flags = client->flags | I2C_M_RD;
msg[1].buf = buf;
msg[1].len = 1;
ret = i2c_transfer(client->adapter, msg, 2);
if (ret >= 0) {
*val = buf[0];
return 0;
}
dev_err(&client->dev, "jaguar1 read reg(0x%x) failed !\n", reg);
return ret;
}
static int __jaguar1_power_on(struct jaguar1 *jaguar1)
{
u32 i;
int ret;
struct jaguar1_regulator *regulator;
struct device *dev = &jaguar1->client->dev;
if (!IS_ERR_OR_NULL(jaguar1->pins_default)) {
ret = pinctrl_select_state(jaguar1->pinctrl,
jaguar1->pins_default);
if (ret < 0)
dev_err(dev, "could not set pins. ret=%d\n", ret);
}
ret = clk_prepare_enable(jaguar1->xvclk);
if (ret < 0) {
dev_err(dev, "Failed to enable xvclk\n");
return ret;
}
if (jaguar1->regulators.regulator) {
for (i = 0; i < jaguar1->regulators.cnt; i++) {
regulator = jaguar1->regulators.regulator + i;
if (IS_ERR(regulator->regulator))
continue;
regulator_set_voltage(
regulator->regulator,
regulator->min_uV,
regulator->max_uV);
if (regulator_enable(regulator->regulator)) {
dev_err(dev,
"regulator_enable failed!\n");
goto disable_clk;
}
}
}
usleep_range(3000, 5000);
if (!IS_ERR(jaguar1->pwd_gpio)) {
gpiod_direction_output(jaguar1->pwd_gpio, 1);
usleep_range(3000, 5000);
}
if (!IS_ERR(jaguar1->pwd2_gpio)) {
gpiod_direction_output(jaguar1->pwd2_gpio, 1);
usleep_range(3000, 5000);
}
if (!IS_ERR(jaguar1->pd_gpio)) {
gpiod_direction_output(jaguar1->pd_gpio, 1);
usleep_range(1500, 2000);
}
if (!IS_ERR(jaguar1->pd2_gpio)) {
gpiod_direction_output(jaguar1->pd2_gpio, 1);
usleep_range(1500, 2000);
}
if (!IS_ERR(jaguar1->rst_gpio)) {
gpiod_direction_output(jaguar1->rst_gpio, 0);
usleep_range(1500, 2000);
gpiod_direction_output(jaguar1->rst_gpio, 1);
}
if (!IS_ERR(jaguar1->rst2_gpio)) {
gpiod_direction_output(jaguar1->rst2_gpio, 0);
usleep_range(1500, 2000);
gpiod_direction_output(jaguar1->rst2_gpio, 1);
}
return 0;
disable_clk:
clk_disable_unprepare(jaguar1->xvclk);
return ret;
}
static void __jaguar1_power_off(struct jaguar1 *jaguar1)
{
u32 i;
int ret;
struct jaguar1_regulator *regulator;
struct device *dev = &jaguar1->client->dev;
if (!IS_ERR(jaguar1->pd_gpio))
gpiod_direction_output(jaguar1->pd_gpio, 0);
if (!IS_ERR(jaguar1->pd2_gpio))
gpiod_direction_output(jaguar1->pd2_gpio, 0);
clk_disable_unprepare(jaguar1->xvclk);
if (!IS_ERR(jaguar1->rst_gpio))
gpiod_direction_output(jaguar1->rst_gpio, 0);
if (!IS_ERR(jaguar1->rst2_gpio))
gpiod_direction_output(jaguar1->rst2_gpio, 0);
if (!IS_ERR(jaguar1->pwd_gpio))
gpiod_direction_output(jaguar1->pwd_gpio, 0);
if (!IS_ERR(jaguar1->pwd2_gpio))
gpiod_direction_output(jaguar1->pwd2_gpio, 0);
if (!IS_ERR_OR_NULL(jaguar1->pins_sleep)) {
ret = pinctrl_select_state(jaguar1->pinctrl,
jaguar1->pins_sleep);
if (ret < 0)
dev_err(dev, "could not set pins\n");
}
if (jaguar1->regulators.regulator) {
for (i = 0; i < jaguar1->regulators.cnt; i++) {
regulator = jaguar1->regulators.regulator + i;
if (IS_ERR(regulator->regulator))
continue;
regulator_disable(regulator->regulator);
}
}
}
static int jaguar1_power(struct v4l2_subdev *sd, int on)
{
struct i2c_client *client = v4l2_get_subdevdata(sd);
struct jaguar1 *jaguar1 = to_jaguar1(sd);
int ret = 0;
dev_info(&client->dev, "%s: on %d\n", __func__, on);
mutex_lock(&jaguar1->mutex);
/* If the power state is not modified - no work to do. */
if (jaguar1->power_on == !!on)
goto exit;
if (on) {
ret = __jaguar1_power_on(jaguar1);
if (ret < 0)
goto exit;
jaguar1->power_on = true;
} else {
__jaguar1_power_off(jaguar1);
jaguar1->power_on = false;
}
exit:
mutex_unlock(&jaguar1->mutex);
return ret;
}
static int jaguar1_initialize_controls(struct jaguar1 *jaguar1)
{
struct v4l2_ctrl_handler *handler;
struct v4l2_ctrl *ctrl;
int ret;
handler = &jaguar1->ctrl_handler;
ret = v4l2_ctrl_handler_init(handler, 2);
if (ret)
return ret;
handler->lock = &jaguar1->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, JAGUAR1_PIXEL_RATE, 1, JAGUAR1_PIXEL_RATE);
if (handler->error) {
ret = handler->error;
dev_err(&jaguar1->client->dev,
"Failed to init controls(%d)\n", ret);
goto err_free_handler;
}
jaguar1->subdev.ctrl_handler = handler;
return 0;
err_free_handler:
v4l2_ctrl_handler_free(handler);
return ret;
}
static void jaguar1_get_default_format(struct jaguar1 *jaguar1)
{
const struct jaguar1_framesize *fsize = &jaguar1_framesizes[0];
const struct jaguar1_framesize *match = NULL;
int i = ARRAY_SIZE(jaguar1_framesizes);
unsigned int min_err = UINT_MAX;
struct v4l2_mbus_framefmt *format = &jaguar1->format;
struct jaguar1_default_rect *rect = &jaguar1->defrect;
while (i--) {
unsigned int err = abs(fsize->width - rect->width)
+ abs(fsize->height - rect->height);
if (err < min_err) {
min_err = err;
match = fsize;
}
fsize++;
}
if (!match)
match = &jaguar1_framesizes[0];
format->width = match->width;
format->height = match->height;
format->colorspace = V4L2_COLORSPACE_SRGB;
format->code = jaguar1_formats[0].code;
jaguar1->frame_size = match;
format->field = match->field;
}
static inline bool jaguar1_no_signal(struct v4l2_subdev *sd, u8 *novid);
static int jaguar1_stream(struct v4l2_subdev *sd, int on)
{
struct i2c_client *client = v4l2_get_subdevdata(sd);
struct jaguar1 *jaguar1 = to_jaguar1(sd);
video_init_all video_init;
enum NC_VIVO_CH_FORMATDEF fmt_idx;
int ch;
dev_info(&client->dev, "%s: on %d\n", __func__, on);
mutex_lock(&jaguar1->mutex);
on = !!on;
if (jaguar1->streaming == on)
goto unlock;
if (on) {
jaguar1_set_mclk(JAGUAR1_MCLK_1242MHZ);
fmt_idx = jaguar1->frame_size->fmt_idx;
for (ch = 0; ch < 4; ch++) {
video_init.ch_param[ch].ch = ch;
video_init.ch_param[ch].format = fmt_idx;
video_init.ch_param[ch].input = SINGLE_ENDED;
video_init.ch_param[ch].interface = YUV_422;
}
jaguar1_start(&video_init);
#ifdef WORK_QUEUE
jaguar1->hot_plug = false;
jaguar1->is_reset = 0;
usleep_range(20000, 21000);
/* get power on state first*/
jaguar1_no_signal(sd, &jaguar1->last_detect_status);
/* check hot plug state */
if (jaguar1->plug_state_check.state_check_wq) {
dev_info(&client->dev, "%s queue_delayed_work 1000ms", __func__);
queue_delayed_work(jaguar1->plug_state_check.state_check_wq,
&jaguar1->plug_state_check.d_work,
msecs_to_jiffies(1000));
}
jaguar1->timestamp0 = ktime_get_ns();
#endif
} else {
jaguar1_stop();
#ifdef WORK_QUEUE
jaguar1->timestamp1 = ktime_get_ns();
/* if stream off & on interval too short, do repower */
if (div_u64((jaguar1->timestamp1 - jaguar1->timestamp0), 1000000) < 1200) {
dev_info(&client->dev, "stream on/off too short, do power off & on!");
__jaguar1_power_off(jaguar1);
usleep_range(40000, 41000);
__jaguar1_power_on(jaguar1);
}
cancel_delayed_work_sync(&jaguar1->plug_state_check.d_work);
dev_info(&client->dev, "cancle_queue_delayed_work");
#endif
}
jaguar1->streaming = on;
unlock:
mutex_unlock(&jaguar1->mutex);
return 0;
}
static int jaguar1_enum_mbus_code(struct v4l2_subdev *sd,
struct v4l2_subdev_state *sd_state,
struct v4l2_subdev_mbus_code_enum *code)
{
if (code->index >= ARRAY_SIZE(jaguar1_formats))
return -EINVAL;
code->code = jaguar1_formats[code->index].code;
return 0;
}
static int jaguar1_enum_frame_sizes(struct v4l2_subdev *sd,
struct v4l2_subdev_state *sd_state,
struct v4l2_subdev_frame_size_enum *fse)
{
struct i2c_client *client = v4l2_get_subdevdata(sd);
int i = ARRAY_SIZE(jaguar1_formats);
dev_dbg(&client->dev, "%s:\n", __func__);
if (fse->index >= ARRAY_SIZE(jaguar1_framesizes))
return -EINVAL;
while (--i)
if (fse->code == jaguar1_formats[i].code)
break;
fse->code = jaguar1_formats[i].code;
fse->min_width = jaguar1_framesizes[fse->index].width;
fse->max_width = fse->min_width;
fse->max_height = jaguar1_framesizes[fse->index].height;
fse->min_height = fse->max_height;
return 0;
}
/* indicate N4 no signal channel */
static inline bool jaguar1_no_signal(struct v4l2_subdev *sd, u8 *novid)
{
struct jaguar1 *jaguar1 = to_jaguar1(sd);
struct i2c_client *client = jaguar1->client;
u8 videoloss = 0;
u8 temp = 0;
int ch, ret;
bool no_signal = false;
jaguar1_write(client, 0xff, 0x00);
for (ch = 0 ; ch < 4; ch++) {
ret = jaguar1_read(client, 0xa4 + ch, &temp);
if (ret < 0)
dev_err(&client->dev, "Failed to read videoloss state!\n");
videoloss |= (temp << ch);
}
*novid = videoloss;
dev_dbg(&client->dev, "%s: video loss status:0x%x.\n", __func__, videoloss);
if (videoloss == 0xf) {
dev_dbg(&client->dev, "%s: all channels No Video detected.\n", __func__);
no_signal = true;
} else {
dev_dbg(&client->dev, "%s: channel has some video detection.\n", __func__);
no_signal = false;
}
return no_signal;
}
/* indicate N4 channel locked status */
static inline bool jaguar1_sync(struct v4l2_subdev *sd, u8 *lock_st)
{
struct i2c_client *client = v4l2_get_subdevdata(sd);
u8 video_lock_status = 0;
u8 temp = 0;
int ch, ret;
bool has_sync = false;
jaguar1_write(client, 0xff, 0x00);
for (ch = 0 ; ch < 4; ch++) {
ret = jaguar1_read(client, 0xd0 + ch, &temp);
if (ret < 0)
dev_err(&client->dev, "Failed to read LOCK status!\n");
video_lock_status |= (temp << ch);
}
dev_dbg(&client->dev, "%s: video AGC LOCK status:0x%x.\n",
__func__, video_lock_status);
*lock_st = video_lock_status;
if (video_lock_status) {
dev_dbg(&client->dev, "%s: channel has AGC LOCK.\n", __func__);
has_sync = true;
} else {
dev_dbg(&client->dev, "%s: channel has no AGC LOCK.\n", __func__);
has_sync = false;
}
return has_sync;
}
#ifdef WORK_QUEUE
static void jaguar1_plug_state_check_work(struct work_struct *work)
{
struct sensor_state_check_work *params_check =
container_of(work, struct sensor_state_check_work, d_work.work);
struct jaguar1 *jaguar1 =
container_of(params_check, struct jaguar1, plug_state_check);
struct i2c_client *client = jaguar1->client;
struct v4l2_subdev *sd = &jaguar1->subdev;
u8 novid_status = 0x00;
u8 sync_status = 0x00;
down(&jaguar1->reg_sem);
jaguar1_no_signal(sd, &novid_status);
jaguar1_sync(sd, &sync_status);
up(&jaguar1->reg_sem);
jaguar1->cur_detect_status = novid_status;
/* detect state change to determine is there has plug motion */
novid_status = jaguar1->cur_detect_status ^ jaguar1->last_detect_status;
if (novid_status)
jaguar1->hot_plug = true;
else
jaguar1->hot_plug = false;
jaguar1->last_detect_status = jaguar1->cur_detect_status;
if (jaguar1->hot_plug)
dev_info(&client->dev, "%s has plug motion? (%s)", __func__,
jaguar1->hot_plug ? "true" : "false");
if (jaguar1->hot_plug) {
dev_dbg(&client->dev, "queue_delayed_work 1500ms, if has hot plug motion.");
queue_delayed_work(jaguar1->plug_state_check.state_check_wq,
&jaguar1->plug_state_check.d_work, msecs_to_jiffies(1500));
jaguar1_write(client, 0xFF, 0x20);
jaguar1_write(client, 0x00, 0x00);
//jaguar1_write(client, 0x00, (sync_status << 4) | sync_status);
usleep_range(3000, 5000);
jaguar1_write(client, 0x00, 0xFF);
} else {
dev_dbg(&client->dev, "queue_delayed_work 100ms, if no hot plug motion.");
queue_delayed_work(jaguar1->plug_state_check.state_check_wq,
&jaguar1->plug_state_check.d_work, msecs_to_jiffies(100));
}
}
#endif
static int jaguar1_g_input_status(struct v4l2_subdev *sd, u32 *status)
{
struct i2c_client *client = v4l2_get_subdevdata(sd);
struct jaguar1 *jaguar1 = to_jaguar1(sd);
int ret;
u8 temp_novid;
u8 temp_lock_st;
if (!jaguar1->power_on) {
ret = __jaguar1_power_on(jaguar1);
if (ret < 0)
goto exit;
usleep_range(40000, 50000);
jaguar1->power_on = true;
}
*status = 0;
*status |= jaguar1_no_signal(sd, &temp_novid) ? V4L2_IN_ST_NO_SIGNAL : 0;
*status |= jaguar1_sync(sd, &temp_lock_st) ? 0 : V4L2_IN_ST_NO_SYNC;
dev_info(&client->dev, "%s: status = 0x%x\n", __func__, *status);
exit:
return 0;
}
static int jaguar1_g_mbus_config(struct v4l2_subdev *sd, unsigned int pad,
struct v4l2_mbus_config *cfg)
{
cfg->type = V4L2_MBUS_CSI2_DPHY;
cfg->bus.mipi_csi2.num_data_lanes = 4;
return 0;
}
static int jaguar1_enum_frame_interval(struct v4l2_subdev *sd,
struct v4l2_subdev_state *sd_state,
struct v4l2_subdev_frame_interval_enum *fie)
{
if (fie->index >= ARRAY_SIZE(jaguar1_framesizes))
return -EINVAL;
fie->code = jaguar1_formats[0].code;
fie->width = jaguar1_framesizes[fie->index].width;
fie->height = jaguar1_framesizes[fie->index].height;
fie->interval = jaguar1_framesizes[fie->index].max_fps;
return 0;
}
static int jaguar1_get_fmt(struct v4l2_subdev *sd,
struct v4l2_subdev_state *sd_state,
struct v4l2_subdev_format *fmt)
{
struct i2c_client *client = v4l2_get_subdevdata(sd);
struct jaguar1 *jaguar1 = to_jaguar1(sd);
if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) {
#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API
struct v4l2_mbus_framefmt *mf;
mf = v4l2_subdev_get_try_format(sd, sd_state, 0);
mutex_lock(&jaguar1->mutex);
fmt->format = *mf;
mutex_unlock(&jaguar1->mutex);
return 0;
#else
return -ENOTTY;
#endif
}
mutex_lock(&jaguar1->mutex);
fmt->format = jaguar1->format;
mutex_unlock(&jaguar1->mutex);
dev_dbg(&client->dev, "%s: %x %dx%d\n", __func__,
jaguar1->format.code, jaguar1->format.width,
jaguar1->format.height);
return 0;
}
static void __jaguar1_try_frame_size(struct v4l2_mbus_framefmt *mf,
const struct jaguar1_framesize **size)
{
const struct jaguar1_framesize *fsize = &jaguar1_framesizes[0];
const struct jaguar1_framesize *match = NULL;
int i = ARRAY_SIZE(jaguar1_framesizes);
unsigned int min_err = UINT_MAX;
while (i--) {
unsigned int err = abs(fsize->width - mf->width)
+ abs(fsize->height - mf->height);
if (err < min_err) {
min_err = err;
match = fsize;
}
fsize++;
}
if (!match)
match = &jaguar1_framesizes[0];
mf->width = match->width;
mf->height = match->height;
if (size)
*size = match;
}
static int jaguar1_set_fmt(struct v4l2_subdev *sd,
struct v4l2_subdev_state *sd_state,
struct v4l2_subdev_format *fmt)
{
int index = ARRAY_SIZE(jaguar1_formats);
struct v4l2_mbus_framefmt *mf = &fmt->format;
const struct jaguar1_framesize *size = NULL;
struct jaguar1 *jaguar1 = to_jaguar1(sd);
int ret = 0;
__jaguar1_try_frame_size(mf, &size);
while (--index >= 0)
if (jaguar1_formats[index].code == mf->code)
break;
if (index < 0)
return -EINVAL;
mf->colorspace = V4L2_COLORSPACE_SRGB;
mf->code = jaguar1_formats[index].code;
mf->field = V4L2_FIELD_NONE;
mutex_lock(&jaguar1->mutex);
if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) {
#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API
mf = v4l2_subdev_get_try_format(sd, sd_state, fmt->pad);
*mf = fmt->format;
#else
return -ENOTTY;
#endif
} else {
if (jaguar1->streaming) {
mutex_unlock(&jaguar1->mutex);
return -EBUSY;
}
jaguar1->frame_size = size;
jaguar1->format = fmt->format;
}
mutex_unlock(&jaguar1->mutex);
return ret;
}
static int jaguar1_g_frame_interval(struct v4l2_subdev *sd,
struct v4l2_subdev_frame_interval *fi)
{
struct jaguar1 *jaguar1 = to_jaguar1(sd);
const struct jaguar1_framesize *size = jaguar1->frame_size;
mutex_lock(&jaguar1->mutex);
fi->interval = size->max_fps;
mutex_unlock(&jaguar1->mutex);
return 0;
}
static void jaguar1_get_module_inf(struct jaguar1 *jaguar1,
struct rkmodule_inf *inf)
{
memset(inf, 0, sizeof(*inf));
strlcpy(inf->base.sensor, JAGUAR1_NAME, sizeof(inf->base.sensor));
strlcpy(inf->base.module, jaguar1->module_name,
sizeof(inf->base.module));
strlcpy(inf->base.lens, jaguar1->len_name, sizeof(inf->base.lens));
}
static void jaguar1_get_vicap_rst_inf(struct jaguar1 *jaguar1,
struct rkmodule_vicap_reset_info *rst_info)
{
struct i2c_client *client = jaguar1->client;
rst_info->is_reset = jaguar1->hot_plug;
jaguar1->hot_plug = false;
rst_info->src = RKCIF_RESET_SRC_ERR_HOTPLUG;
if (rst_info->is_reset)
dev_info(&client->dev, "%s: rst_info->is_reset:%d.\n",
__func__, rst_info->is_reset);
}
static void jaguar1_set_vicap_rst_inf(struct jaguar1 *jaguar1,
struct rkmodule_vicap_reset_info rst_info)
{
jaguar1->is_reset = rst_info.is_reset;
jaguar1->hot_plug = rst_info.is_reset;
}
static void jaguar1_set_streaming(struct jaguar1 *jaguar1, int on)
{
struct i2c_client *client = jaguar1->client;
dev_info(&client->dev, "%s: on: %d\n", __func__, on);
down(&jaguar1->reg_sem);
if (on) {
/* enter mipi clk normal operation */
jaguar1_write(client, 0xff, 0x21);
jaguar1_write(client, 0x46, 0x00);
} else {
/* enter mipi clk powerdown */
jaguar1_write(client, 0xff, 0x21);
jaguar1_write(client, 0x46, 0x01);
}
up(&jaguar1->reg_sem);
}
static long jaguar1_ioctl(struct v4l2_subdev *sd, unsigned int cmd, void *arg)
{
struct jaguar1 *jaguar1 = to_jaguar1(sd);
long ret = 0;
u32 stream = 0;
switch (cmd) {
case RKMODULE_GET_MODULE_INFO:
jaguar1_get_module_inf(jaguar1, (struct rkmodule_inf *)arg);
break;
case RKMODULE_GET_VICAP_RST_INFO:
jaguar1_get_vicap_rst_inf(jaguar1, (struct rkmodule_vicap_reset_info *)arg);
break;
case RKMODULE_SET_VICAP_RST_INFO:
jaguar1_set_vicap_rst_inf(jaguar1, *(struct rkmodule_vicap_reset_info *)arg);
break;
case RKMODULE_GET_START_STREAM_SEQ:
*(int *)arg = RKMODULE_START_STREAM_FRONT;
break;
case RKMODULE_SET_QUICK_STREAM:
stream = *((u32 *)arg);
jaguar1_set_streaming(jaguar1, !!stream);
break;
default:
ret = -ENOTTY;
break;
}
return ret;
}
#ifdef CONFIG_COMPAT
static long jaguar1_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_vicap_reset_info *vicap_rst_inf;
long ret;
int *seq;
u32 stream = 0;
switch (cmd) {
case RKMODULE_GET_MODULE_INFO:
inf = kzalloc(sizeof(*inf), GFP_KERNEL);
if (!inf) {
ret = -ENOMEM;
return ret;
}
ret = jaguar1_ioctl(sd, cmd, inf);
if (!ret) {
ret = copy_to_user(up, inf, sizeof(*inf));
if (ret)
ret = -EFAULT;
}
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 = jaguar1_ioctl(sd, cmd, cfg);
else
ret = -EFAULT;
kfree(cfg);
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 = jaguar1_ioctl(sd, cmd, vicap_rst_inf);
if (!ret) {
ret = copy_to_user(up, vicap_rst_inf, sizeof(*vicap_rst_inf));
if (ret)
ret = -EFAULT;
}
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 = jaguar1_ioctl(sd, cmd, vicap_rst_inf);
else
ret = -EFAULT;
kfree(vicap_rst_inf);
break;
case RKMODULE_GET_START_STREAM_SEQ:
seq = kzalloc(sizeof(*seq), GFP_KERNEL);
if (!seq) {
ret = -ENOMEM;
return ret;
}
ret = jaguar1_ioctl(sd, cmd, seq);
if (!ret) {
ret = copy_to_user(up, seq, sizeof(*seq));
if (ret)
ret = -EFAULT;
}
kfree(seq);
break;
case RKMODULE_SET_QUICK_STREAM:
ret = copy_from_user(&stream, up, sizeof(u32));
if (!ret)
ret = jaguar1_ioctl(sd, cmd, &stream);
else
ret = -EFAULT;
break;
default:
ret = -ENOIOCTLCMD;
break;
}
return ret;
}
#endif
static int jaguar1_runtime_resume(struct device *dev)
{
struct i2c_client *client = to_i2c_client(dev);
struct v4l2_subdev *sd = i2c_get_clientdata(client);
struct jaguar1 *jaguar1 = to_jaguar1(sd);
return __jaguar1_power_on(jaguar1);
}
static int jaguar1_runtime_suspend(struct device *dev)
{
struct i2c_client *client = to_i2c_client(dev);
struct v4l2_subdev *sd = i2c_get_clientdata(client);
struct jaguar1 *jaguar1 = to_jaguar1(sd);
__jaguar1_power_off(jaguar1);
return 0;
}
static const struct dev_pm_ops jaguar1_pm_ops = {
SET_RUNTIME_PM_OPS(jaguar1_runtime_suspend,
jaguar1_runtime_resume, NULL)
};
static const struct v4l2_subdev_video_ops jaguar1_video_ops = {
.g_input_status = jaguar1_g_input_status,
.s_stream = jaguar1_stream,
.g_frame_interval = jaguar1_g_frame_interval,
};
static const struct v4l2_subdev_pad_ops jaguar1_subdev_pad_ops = {
.enum_mbus_code = jaguar1_enum_mbus_code,
.enum_frame_size = jaguar1_enum_frame_sizes,
.enum_frame_interval = jaguar1_enum_frame_interval,
.get_fmt = jaguar1_get_fmt,
.set_fmt = jaguar1_set_fmt,
.get_mbus_config = jaguar1_g_mbus_config,
};
static const struct v4l2_subdev_core_ops jaguar1_core_ops = {
.s_power = jaguar1_power,
.ioctl = jaguar1_ioctl,
#ifdef CONFIG_COMPAT
.compat_ioctl32 = jaguar1_compat_ioctl32,
#endif
};
static const struct v4l2_subdev_ops jaguar1_subdev_ops = {
.core = &jaguar1_core_ops,
.video = &jaguar1_video_ops,
.pad = &jaguar1_subdev_pad_ops,
};
static int jaguar1_analyze_dts(struct jaguar1 *jaguar1)
{
int ret;
int elem_size, elem_index;
const char *str = "";
struct property *prop;
struct jaguar1_regulator *regulator;
struct device *dev = &jaguar1->client->dev;
struct device_node *np = of_node_get(dev->of_node);
jaguar1->xvclk = devm_clk_get(dev, "xvclk");
if (IS_ERR(jaguar1->xvclk)) {
dev_err(dev, "Failed to get xvclk\n");
return -EINVAL;
}
ret = clk_set_rate(jaguar1->xvclk, JAGUAR1_XVCLK_FREQ);
if (ret < 0) {
dev_err(dev, "Failed to set xvclk rate (24MHz)\n");
return ret;
}
if (clk_get_rate(jaguar1->xvclk) != JAGUAR1_XVCLK_FREQ)
dev_warn(dev, "xvclk mismatched, modes are based on 24MHz\n");
jaguar1->pinctrl = devm_pinctrl_get(dev);
if (!IS_ERR(jaguar1->pinctrl)) {
jaguar1->pins_default =
pinctrl_lookup_state(jaguar1->pinctrl,
OF_CAMERA_PINCTRL_STATE_DEFAULT);
if (IS_ERR(jaguar1->pins_default))
dev_err(dev, "could not get default pinstate\n");
jaguar1->pins_sleep =
pinctrl_lookup_state(jaguar1->pinctrl,
OF_CAMERA_PINCTRL_STATE_SLEEP);
if (IS_ERR(jaguar1->pins_sleep))
dev_err(dev, "could not get sleep pinstate\n");
} else {
dev_err(dev, "no pinctrl\n");
}
elem_size = of_property_count_elems_of_size(
np,
OF_CAMERA_MODULE_REGULATOR_VOLTAGES,
sizeof(u32));
prop = of_find_property(
np,
OF_CAMERA_MODULE_REGULATORS,
NULL);
if (elem_size > 0 && !IS_ERR_OR_NULL(prop)) {
jaguar1->regulators.regulator =
devm_kzalloc(&jaguar1->client->dev,
elem_size * sizeof(struct jaguar1_regulator),
GFP_KERNEL);
if (!jaguar1->regulators.regulator)
dev_err(dev, "could not malloc jaguar1_regulator\n");
jaguar1->regulators.cnt = elem_size;
str = NULL;
elem_index = 0;
regulator = jaguar1->regulators.regulator;
if (regulator) {
do {
str = of_prop_next_string(prop, str);
if (!str) {
dev_err(dev, "%s is not match %s in dts\n",
OF_CAMERA_MODULE_REGULATORS,
OF_CAMERA_MODULE_REGULATOR_VOLTAGES);
break;
}
regulator->regulator =
devm_regulator_get_optional(dev, str);
if (IS_ERR(regulator->regulator))
dev_err(dev, "devm_regulator_get %s failed\n",
str);
of_property_read_u32_index(
np,
OF_CAMERA_MODULE_REGULATOR_VOLTAGES,
elem_index++,
&regulator->min_uV);
regulator->max_uV = regulator->min_uV;
regulator++;
} while (--elem_size);
}
}
if (of_property_read_u32_array(np,
RK_CAMERA_MODULE_DEFAULT_RECT,
(unsigned int *)&jaguar1->defrect, 2)) {
jaguar1->defrect.width = JAGUAR1_DEFAULT_WIDTH;
jaguar1->defrect.height = JAGUAR1_DEFAULT_HEIGHT;
dev_warn(dev,
"can not get module %s from dts, use default wxh(%dx%d)!\n",
RK_CAMERA_MODULE_DEFAULT_RECT,
JAGUAR1_DEFAULT_WIDTH, JAGUAR1_DEFAULT_HEIGHT);
} else {
dev_info(dev,
"get module %s from dts, wxh(%dx%d)!\n",
RK_CAMERA_MODULE_DEFAULT_RECT,
jaguar1->defrect.width,
jaguar1->defrect.height);
}
jaguar1->pd_gpio = devm_gpiod_get(dev, "pd", GPIOD_OUT_LOW);
if (IS_ERR(jaguar1->pd_gpio))
dev_warn(dev, "can not find pd-gpios, error %ld\n",
PTR_ERR(jaguar1->pd_gpio));
jaguar1->pd2_gpio = devm_gpiod_get(dev, "pd2", GPIOD_OUT_LOW);
if (IS_ERR(jaguar1->pd2_gpio))
dev_warn(dev, "can not find pd2-gpios, error %ld\n",
PTR_ERR(jaguar1->pd2_gpio));
jaguar1->rst_gpio = devm_gpiod_get(dev, "rst", GPIOD_OUT_LOW);
if (IS_ERR(jaguar1->rst_gpio))
dev_warn(dev, "can not find rst-gpios, error %ld\n",
PTR_ERR(jaguar1->rst_gpio));
jaguar1->rst2_gpio = devm_gpiod_get(dev, "rst2", GPIOD_OUT_LOW);
if (IS_ERR(jaguar1->rst2_gpio))
dev_warn(dev, "can not find rst2-gpios, error %ld\n",
PTR_ERR(jaguar1->rst2_gpio));
jaguar1->pwd_gpio = devm_gpiod_get(dev, "pwd", GPIOD_OUT_HIGH);
if (IS_ERR(jaguar1->pwd_gpio))
dev_warn(dev, "can not find pwd-gpios, error %ld\n",
PTR_ERR(jaguar1->pwd_gpio));
jaguar1->pwd2_gpio = devm_gpiod_get(dev, "pwd2", GPIOD_OUT_HIGH);
if (IS_ERR(jaguar1->pwd2_gpio))
dev_warn(dev, "can not find pwd2-gpios, error %ld\n",
PTR_ERR(jaguar1->pwd2_gpio));
return 0;
}
static int jaguar1_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
struct device *dev = &client->dev;
struct device_node *node = dev->of_node;
struct jaguar1 *jaguar1;
struct v4l2_subdev *sd;
__maybe_unused char facing[2];
int ret, index;
dev_info(dev, "driver version: %02x.%02x.%02x",
DRIVER_VERSION >> 16,
(DRIVER_VERSION & 0xff00) >> 8,
DRIVER_VERSION & 0x00ff);
jaguar1 = devm_kzalloc(dev, sizeof(*jaguar1), GFP_KERNEL);
if (!jaguar1)
return -ENOMEM;
ret = of_property_read_u32(node, RKMODULE_CAMERA_MODULE_INDEX,
&jaguar1->module_index);
ret |= of_property_read_string(node, RKMODULE_CAMERA_MODULE_FACING,
&jaguar1->module_facing);
ret |= of_property_read_string(node, RKMODULE_CAMERA_MODULE_NAME,
&jaguar1->module_name);
ret |= of_property_read_string(node, RKMODULE_CAMERA_LENS_NAME,
&jaguar1->len_name);
if (ret) {
dev_err(dev, "could not get %s!\n", RKMODULE_CAMERA_LENS_NAME);
return -EINVAL;
}
jaguar1->client = client;
ret = jaguar1_analyze_dts(jaguar1);
if (ret) {
dev_err(dev, "Failed to analyze dts\n");
return ret;
}
mutex_init(&jaguar1->mutex);
jaguar1_get_default_format(jaguar1);
sd = &jaguar1->subdev;
v4l2_i2c_subdev_init(sd, client, &jaguar1_subdev_ops);
ret = jaguar1_initialize_controls(jaguar1);
if (ret) {
dev_err(dev, "Failed to initialize controls jaguar1\n");
return ret;
}
__jaguar1_power_on(jaguar1);
ret |= jaguar1_init(i2c_adapter_id(client->adapter));
if (ret) {
dev_err(dev, "Failed to init jaguar1\n");
__jaguar1_power_off(jaguar1);
mutex_destroy(&jaguar1->mutex);
return ret;
}
sema_init(&jaguar1->reg_sem, 1);
#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API
sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
#endif
#if defined(CONFIG_VIDEO_ROCKCHIP_USBACM_CONTROL)
__jaguar1_power_off(jaguar1);
mutex_destroy(&jaguar1->mutex);
return 0;
#endif
#if defined(CONFIG_MEDIA_CONTROLLER)
for (index = 0; index < PAD_MAX; index++)
jaguar1->pad[index].flags = MEDIA_PAD_FL_SOURCE;
sd->entity.function = MEDIA_ENT_F_CAM_SENSOR;
ret = media_entity_pads_init(&sd->entity, PAD_MAX, jaguar1->pad);
if (ret < 0)
goto err_power_off;
#endif
memset(facing, 0, sizeof(facing));
if (strcmp(jaguar1->module_facing, "back") == 0)
facing[0] = 'b';
else
facing[0] = 'f';
snprintf(sd->name, sizeof(sd->name), "m%02d_%s_%s %s",
jaguar1->module_index, facing,
JAGUAR1_NAME, dev_name(sd->dev));
ret = v4l2_async_register_subdev_sensor(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);
v4l2_info(sd, "%s found @ 0x%x (%s)\n", client->name,
client->addr << 1, client->adapter->name);
#ifdef WORK_QUEUE
/* init work_queue for state_check */
INIT_DELAYED_WORK(&jaguar1->plug_state_check.d_work, jaguar1_plug_state_check_work);
jaguar1->plug_state_check.state_check_wq =
create_singlethread_workqueue("jaguar1_work_queue");
if (jaguar1->plug_state_check.state_check_wq == NULL) {
dev_err(dev, "%s(%d): %s create failed.\n", __func__, __LINE__,
"jaguar1_work_queue");
}
jaguar1->cur_detect_status = 0x0;
jaguar1->last_detect_status = 0x0;
jaguar1->hot_plug = false;
jaguar1->is_reset = 0;
#endif
return 0;
err_power_off:
__jaguar1_power_off(jaguar1);
err_clean_entity:
#if defined(CONFIG_MEDIA_CONTROLLER)
media_entity_cleanup(&sd->entity);
#endif
mutex_destroy(&jaguar1->mutex);
return ret;
}
static void jaguar1_remove(struct i2c_client *client)
{
struct v4l2_subdev *sd = i2c_get_clientdata(client);
struct jaguar1 *jaguar1 = to_jaguar1(sd);
jaguar1_exit();
v4l2_ctrl_handler_free(&jaguar1->ctrl_handler);
mutex_destroy(&jaguar1->mutex);
pm_runtime_disable(&client->dev);
if (!pm_runtime_status_suspended(&client->dev))
__jaguar1_power_off(jaguar1);
pm_runtime_set_suspended(&client->dev);
#ifdef WORK_QUEUE
if (jaguar1->plug_state_check.state_check_wq != NULL)
destroy_workqueue(jaguar1->plug_state_check.state_check_wq);
#endif
}
#if IS_ENABLED(CONFIG_OF)
static const struct of_device_id jaguar1_of_match[] = {
{ .compatible = "jaguar1-v4l2" },
{},
};
MODULE_DEVICE_TABLE(of, jaguar1_of_match);
#endif
static const struct i2c_device_id jaguar1_match_id[] = {
{ "jaguar1-v4l2", 0 },
{ },
};
static struct i2c_driver jaguar1_i2c_driver = {
.driver = {
.name = JAGUAR1_NAME,
.pm = &jaguar1_pm_ops,
.of_match_table = of_match_ptr(jaguar1_of_match),
},
.probe = &jaguar1_probe,
.remove = &jaguar1_remove,
.id_table = jaguar1_match_id,
};
int nvp6324_sensor_mod_init(void)
{
return i2c_add_driver(&jaguar1_i2c_driver);
}
#ifndef CONFIG_VIDEO_REVERSE_IMAGE
device_initcall_sync(nvp6324_sensor_mod_init);
#endif
static void __exit sensor_mod_exit(void)
{
i2c_del_driver(&jaguar1_i2c_driver);
}
module_exit(sensor_mod_exit);
MODULE_DESCRIPTION("jaguar1 sensor driver");
MODULE_LICENSE("GPL v2");