// SPDX-License-Identifier: GPL-2.0
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/*
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* nvp6158_v4l2 interface driver
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*
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* Copyright (c) 2021 Rockchip Electronics Co. Ltd.
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*
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* V0.0X01.0X00 first version.
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* V0.0X01.0X01
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* 1. add workqueue to detect ahd state.
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* 2. add more resolution support.
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*/
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#include <linux/clk.h>
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#include <linux/device.h>
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#include <linux/delay.h>
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#include <linux/gpio/consumer.h>
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#include <linux/i2c.h>
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#include <linux/module.h>
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#include <linux/pm_runtime.h>
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#include <linux/regulator/consumer.h>
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#include <linux/sysfs.h>
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#include <media/media-entity.h>
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#include <media/v4l2-async.h>
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#include <media/v4l2-ctrls.h>
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#include <media/v4l2-subdev.h>
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#include <media/v4l2-fwnode.h>
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#include <linux/pinctrl/consumer.h>
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#include <linux/of.h>
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#include <linux/of_device.h>
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#include <linux/of_graph.h>
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#include <linux/of_platform.h>
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#include <linux/of_gpio.h>
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#include <linux/mfd/syscon.h>
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#include <linux/version.h>
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#include <linux/rk-camera-module.h>
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#include <linux/rk-preisp.h>
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#include "nvp6158_common.h"
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#include "nvp6158_video.h"
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#include "nvp6158_coax_protocol.h"
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#include "nvp6158_motion.h"
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#include "nvp6158_video_eq.h"
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#include "nvp6158_drv.h"
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#include "nvp6158_audio.h"
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#include "nvp6158_video_auto_detect.h"
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#include "nvp6158_drv.h"
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//#define WORK_QUEUE
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#ifdef WORK_QUEUE
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#include <linux/workqueue.h>
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struct sensor_state_check_work {
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struct workqueue_struct *state_check_wq;
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struct delayed_work d_work;
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};
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#endif
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#define DRIVER_VERSION KERNEL_VERSION(0, 0x01, 0x1)
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#ifndef V4L2_CID_DIGITAL_GAIN
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#define V4L2_CID_DIGITAL_GAIN V4L2_CID_GAIN
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#endif
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#define NVP6158_XVCLK_FREQ 24000000
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#define NVP6158_BITS_PER_SAMPLE 8
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/* pixel rate = link frequency * 2 * lanes / BITS_PER_SAMPLE */
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#define NVP6158_PIXEL_RATE 297000000LL
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#define OF_CAMERA_PINCTRL_STATE_DEFAULT "rockchip,camera_default"
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#define OF_CAMERA_PINCTRL_STATE_SLEEP "rockchip,camera_sleep"
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#define OF_CAMERA_MODULE_REGULATORS "rockchip,regulator-names"
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#define OF_CAMERA_MODULE_REGULATOR_VOLTAGES "rockchip,regulator-voltages"
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/* DVP MODE, BT1120 or BT656 */
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#define RK_CAMERA_MODULE_DVP_MODE "rockchip,dvp_mode"
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#define RK_CAMERA_MODULE_CHANNEL_NUMS "rockchip,channel_nums"
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#define RK_CAMERA_MODULE_DUAL_EDGE "rockchip,dual_edge"
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#define RK_CAMERA_MODULE_DEFAULT_RECT "rockchip,default_rect"
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#define NVP6158_DEFAULT_DVP_MODE "BT1120"
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#define NVP6158_DEFAULT_CHANNEL_NUMS 4U
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#define NVP6158_DEFAULT_DUAL_EDGE 0U
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#define NVP6158_NAME "nvp6158"
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#define NVP6158_DEFAULT_WIDTH 1920
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#define NVP6158_DEFAULT_HEIGHT 1080
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struct nvp6158_gpio {
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int pltfrm_gpio;
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const char *label;
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enum of_gpio_flags active_low;
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};
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struct nvp6158_regulator {
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struct regulator *regulator;
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u32 min_uV;
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u32 max_uV;
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};
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struct nvp6158_regulators {
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u32 cnt;
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struct nvp6158_regulator *regulator;
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};
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struct nvp6158_pixfmt {
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u32 code;
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};
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struct nvp6158_framesize {
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u16 width;
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u16 height;
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NC_VIVO_CH_FORMATDEF fmt_idx;
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struct v4l2_fract max_fps;
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};
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struct nvp6158_default_rect {
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unsigned int width;
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unsigned int height;
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};
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#ifdef WORK_QUEUE
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enum nvp6158_hot_plug_state {
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PLUG_IN = 0,
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PLUG_OUT,
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PLUG_STATE_MAX,
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};
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#endif
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struct nvp6158 {
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struct i2c_client *client;
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struct clk *xvclk;
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struct gpio_desc *pwr_gpio;
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struct gpio_desc *pwr2_gpio;
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struct gpio_desc *rst_gpio;
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struct gpio_desc *rst2_gpio;
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struct gpio_desc *pwdn_gpio;
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struct gpio_desc *pwdn2_gpio;
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struct pinctrl *pinctrl;
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struct pinctrl_state *pins_default;
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struct pinctrl_state *pins_sleep;
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struct v4l2_subdev subdev;
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struct media_pad pad[PAD_MAX];
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struct v4l2_ctrl_handler ctrl_handler;
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struct mutex mutex;
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bool power_on;
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struct nvp6158_regulators regulators;
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u32 module_index;
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const char *module_facing;
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const char *module_name;
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const char *len_name;
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const char *dvp_mode;
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NVP6158_DVP_MODE mode;
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u32 ch_nums;
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u32 dual_edge;
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struct v4l2_mbus_framefmt format;
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const struct nvp6158_framesize *frame_size;
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int streaming;
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struct nvp6158_default_rect defrect;
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#ifdef WORK_QUEUE
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struct sensor_state_check_work plug_state_check;
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u8 cur_detect_status;
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u8 last_detect_status;
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#endif
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bool hot_plug;
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u8 is_reset;
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};
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#define to_nvp6158(sd) container_of(sd, struct nvp6158, subdev)
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static const struct nvp6158_framesize nvp6158_framesizes[] = {
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{
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.width = 1280,
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.height = 720,
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.fmt_idx = AHD20_720P_30P,
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.max_fps = {
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.numerator = 10000,
|
.denominator = 250000,
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},
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}, {
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.width = 1920,
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.height = 1080,
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.fmt_idx = AHD20_1080P_25P,
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.max_fps = {
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.numerator = 10000,
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.denominator = 250000,
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},
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}, {
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.width = 2048,
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.height = 1536,
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.fmt_idx = AHD30_3M_18P,
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.max_fps = {
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.numerator = 10000,
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.denominator = 180000,
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},
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}, {
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.width = 1280,
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.height = 1440,
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.fmt_idx = AHD30_4M_30P,
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.max_fps = {
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.numerator = 10000,
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.denominator = 300000,
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},
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}, {
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.width = 2560,
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.height = 1440,
|
.fmt_idx = AHD30_4M_15P,
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.max_fps = {
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.numerator = 10000,
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.denominator = 150000,
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},
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}, {
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.width = 2592,
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.height = 1944,
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.fmt_idx = AHD30_5M_12_5P,
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.max_fps = {
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.numerator = 10000,
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.denominator = 125000,
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},
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}, {
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.width = 3840,
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.height = 2160,
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.fmt_idx = AHD30_8M_7_5P,
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.max_fps = {
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.numerator = 10000,
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.denominator = 75000,
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},
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}, {/* test modes, Interlace mode*/
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.width = 720,
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.height = 480,
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.fmt_idx = AHD20_SD_SH720_NT,
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.max_fps = {
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.numerator = 10000,
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.denominator = 250000,
|
},
|
}, {
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.width = 720,
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.height = 576,
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.fmt_idx = AHD20_SD_SH720_PAL,
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.max_fps = {
|
.numerator = 10000,
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.denominator = 250000,
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},
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}, {
|
.width = 960,
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.height = 576,
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.fmt_idx = AHD20_SD_H960_PAL,
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.max_fps = {
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.numerator = 10000,
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.denominator = 250000,
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},
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}, {
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.width = 1920,
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.height = 576,
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.fmt_idx = AHD20_SD_H960_EX_PAL,
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.max_fps = {
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.numerator = 10000,
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.denominator = 250000,
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},
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}
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};
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static char *nvp6158_dvp_mode_lists[] = {
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[BT601] = "BT601",
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[BT656_1MUX] = "BT656_1MUX",
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[BT656_2MUX] = "BT656_2MUX",
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[BT656_4MUX] = "BT656_4MUX",
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[BT1120_1MUX] = "BT1120_1MUX",
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[BT1120_2MUX] = "BT1120_2MUX",
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[BT1120_4MUX] = "BT1120_4MUX",
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[BT656I_TEST_MODES] = "BT656I_TEST_MODES"
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};
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static const struct nvp6158_pixfmt nvp6158_formats[] = {
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{
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.code = MEDIA_BUS_FMT_UYVY8_2X8
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},
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};
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static int nvp6158_querystd(struct v4l2_subdev *sd, v4l2_std_id *std)
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{
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struct nvp6158 *nvp6158 = to_nvp6158(sd);
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if ((nvp6158->mode > BT656I_TEST_MODES) &&
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(nvp6158->mode < NVP6158_DVP_MODES_END)) {
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/* for vicap detect bt1120 */
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*std = V4L2_STD_ATSC;
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} else {
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*std = V4L2_STD_PAL;
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}
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return 0;
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}
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/* sensor register write */
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static int nvp6158_write(struct i2c_client *client, u8 reg, u8 val)
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{
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struct i2c_msg msg;
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u8 buf[2];
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int ret;
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dev_info(&client->dev, "write reg(0x%x val:0x%x)!\n", reg, val);
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buf[0] = reg & 0xFF;
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buf[1] = val;
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msg.addr = client->addr;
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msg.flags = client->flags;
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msg.buf = buf;
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msg.len = sizeof(buf);
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ret = i2c_transfer(client->adapter, &msg, 1);
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if (ret >= 0)
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return 0;
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dev_err(&client->dev,
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"nvp6158 write reg(0x%x val:0x%x) failed !\n", reg, val);
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return ret;
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}
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/* sensor register read */
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static int nvp6158_read(struct i2c_client *client, u8 reg, u8 *val)
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{
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struct i2c_msg msg[2];
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u8 buf[1];
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int ret;
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buf[0] = reg & 0xFF;
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msg[0].addr = client->addr;
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msg[0].flags = client->flags;
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msg[0].buf = buf;
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msg[0].len = sizeof(buf);
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msg[1].addr = client->addr;
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msg[1].flags = client->flags | I2C_M_RD;
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msg[1].buf = buf;
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msg[1].len = 1;
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ret = i2c_transfer(client->adapter, msg, 2);
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if (ret >= 0) {
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*val = buf[0];
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return 0;
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}
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dev_err(&client->dev, "nvp6158 read reg(0x%x) failed !\n", reg);
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return ret;
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}
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static int __nvp6158_power_on(struct nvp6158 *nvp6158)
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{
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u32 i;
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int ret;
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struct nvp6158_regulator *regulator;
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struct device *dev = &nvp6158->client->dev;
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dev_info(dev, "%s(%d)\n", __func__, __LINE__);
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if (!IS_ERR_OR_NULL(nvp6158->pins_default)) {
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ret = pinctrl_select_state(nvp6158->pinctrl,
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nvp6158->pins_default);
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if (ret < 0)
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dev_err(dev, "could not set pins. ret=%d\n", ret);
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}
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ret = clk_prepare_enable(nvp6158->xvclk);
|
if (ret < 0) {
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dev_err(dev, "Failed to enable xvclk\n");
|
return ret;
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}
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|
if (nvp6158->regulators.regulator) {
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for (i = 0; i < nvp6158->regulators.cnt; i++) {
|
regulator = nvp6158->regulators.regulator + i;
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if (IS_ERR(regulator->regulator))
|
continue;
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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(nvp6158->pwr_gpio)) {
|
gpiod_direction_output(nvp6158->pwr_gpio, 1);
|
usleep_range(3000, 5000);
|
}
|
|
if (!IS_ERR(nvp6158->pwr2_gpio)) {
|
gpiod_direction_output(nvp6158->pwr2_gpio, 1);
|
usleep_range(3000, 5000);
|
}
|
|
if (!IS_ERR(nvp6158->pwdn_gpio)) {
|
gpiod_direction_output(nvp6158->pwdn_gpio, 1);
|
usleep_range(1500, 2000);
|
}
|
|
if (!IS_ERR(nvp6158->pwdn2_gpio)) {
|
gpiod_direction_output(nvp6158->pwdn2_gpio, 1);
|
usleep_range(1500, 2000);
|
}
|
|
if (!IS_ERR(nvp6158->rst_gpio)) {
|
gpiod_direction_output(nvp6158->rst_gpio, 0);
|
usleep_range(50000, 100000);
|
gpiod_direction_output(nvp6158->rst_gpio, 1);
|
usleep_range(3000, 5000);
|
}
|
|
if (!IS_ERR(nvp6158->rst2_gpio)) {
|
gpiod_direction_output(nvp6158->rst2_gpio, 0);
|
usleep_range(1500, 2000);
|
gpiod_direction_output(nvp6158->rst2_gpio, 1);
|
usleep_range(3000, 5000);
|
}
|
|
return 0;
|
|
disable_clk:
|
clk_disable_unprepare(nvp6158->xvclk);
|
|
return ret;
|
}
|
|
static void __nvp6158_power_off(struct nvp6158 *nvp6158)
|
{
|
u32 i;
|
int ret;
|
struct nvp6158_regulator *regulator;
|
struct device *dev = &nvp6158->client->dev;
|
|
dev_info(dev, "%s(%d)\n", __func__, __LINE__);
|
clk_disable_unprepare(nvp6158->xvclk);
|
|
if (!IS_ERR(nvp6158->rst_gpio))
|
gpiod_direction_output(nvp6158->rst_gpio, 0);
|
|
if (!IS_ERR(nvp6158->rst2_gpio))
|
gpiod_direction_output(nvp6158->rst2_gpio, 0);
|
|
if (!IS_ERR(nvp6158->pwdn_gpio))
|
gpiod_direction_output(nvp6158->pwdn_gpio, 0);
|
|
if (!IS_ERR(nvp6158->pwdn_gpio))
|
gpiod_direction_output(nvp6158->pwdn2_gpio, 0);
|
|
if (!IS_ERR(nvp6158->pwr_gpio))
|
gpiod_direction_output(nvp6158->pwr_gpio, 0);
|
|
if (!IS_ERR(nvp6158->pwr2_gpio))
|
gpiod_direction_output(nvp6158->pwr2_gpio, 0);
|
|
if (!IS_ERR_OR_NULL(nvp6158->pins_sleep)) {
|
ret = pinctrl_select_state(nvp6158->pinctrl,
|
nvp6158->pins_sleep);
|
if (ret < 0)
|
dev_err(dev, "could not set pins\n");
|
}
|
|
if (nvp6158->regulators.regulator) {
|
for (i = 0; i < nvp6158->regulators.cnt; i++) {
|
regulator = nvp6158->regulators.regulator + i;
|
if (IS_ERR(regulator->regulator))
|
continue;
|
regulator_disable(regulator->regulator);
|
}
|
}
|
}
|
|
static int nvp6158_power(struct v4l2_subdev *sd, int on)
|
{
|
struct i2c_client *client = v4l2_get_subdevdata(sd);
|
struct nvp6158 *nvp6158 = to_nvp6158(sd);
|
int ret = 0;
|
|
dev_info(&client->dev, "%s: on %d\n", __func__, on);
|
mutex_lock(&nvp6158->mutex);
|
|
/* If the power state is not modified - no work to do. */
|
if (nvp6158->power_on == !!on)
|
goto exit;
|
|
if (on) {
|
ret = __nvp6158_power_on(nvp6158);
|
if (ret < 0)
|
goto exit;
|
|
nvp6158->power_on = true;
|
} else {
|
__nvp6158_power_off(nvp6158);
|
nvp6158->power_on = false;
|
}
|
|
exit:
|
mutex_unlock(&nvp6158->mutex);
|
|
return ret;
|
}
|
|
#define CROP_START(SRC, DST) (((SRC) - (DST)) / 2 / 4 * 4)
|
/*
|
* The resolution of the driver configuration needs to be exactly
|
* the same as the current output resolution of the sensor,
|
* the input width of the isp needs to be 16 aligned,
|
* the input height of the isp needs to be 8 aligned.
|
* Can be cropped to standard resolution by this function,
|
* otherwise it will crop out strange resolution according
|
* to the alignment rules.
|
*/
|
static int nvp6158_get_selection(struct v4l2_subdev *sd,
|
struct v4l2_subdev_pad_config *cfg,
|
struct v4l2_subdev_selection *sel)
|
{
|
struct nvp6158 *nvp6158 = to_nvp6158(sd);
|
|
if (sel->target == V4L2_SEL_TGT_CROP_BOUNDS) {
|
sel->r.left = CROP_START(0, 0);
|
sel->r.width = nvp6158->frame_size->width;
|
sel->r.top = CROP_START(0, 0);
|
sel->r.height = nvp6158->frame_size->height;
|
return 0;
|
}
|
return -EINVAL;
|
}
|
|
static int nvp6158_initialize_controls(struct nvp6158 *nvp6158)
|
{
|
struct v4l2_ctrl_handler *handler;
|
int ret;
|
|
handler = &nvp6158->ctrl_handler;
|
ret = v4l2_ctrl_handler_init(handler, 2);
|
if (ret)
|
return ret;
|
handler->lock = &nvp6158->mutex;
|
|
v4l2_ctrl_new_std(handler, NULL, V4L2_CID_PIXEL_RATE,
|
0, NVP6158_PIXEL_RATE, 1, NVP6158_PIXEL_RATE);
|
|
if (handler->error) {
|
ret = handler->error;
|
dev_err(&nvp6158->client->dev,
|
"Failed to init controls(%d)\n", ret);
|
goto err_free_handler;
|
}
|
|
nvp6158->subdev.ctrl_handler = handler;
|
|
return 0;
|
|
err_free_handler:
|
v4l2_ctrl_handler_free(handler);
|
|
return ret;
|
}
|
static void nvp6158_get_default_format(struct nvp6158 *nvp6158)
|
{
|
|
const struct nvp6158_framesize *fsize = &nvp6158_framesizes[0];
|
const struct nvp6158_framesize *match = NULL;
|
int i = ARRAY_SIZE(nvp6158_framesizes);
|
unsigned int min_err = UINT_MAX;
|
struct v4l2_mbus_framefmt *format = &nvp6158->format;
|
struct nvp6158_default_rect *rect = &nvp6158->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 = &nvp6158_framesizes[0];
|
|
format->width = match->width;
|
format->height = match->height;
|
format->colorspace = V4L2_COLORSPACE_SRGB;
|
format->code = nvp6158_formats[0].code;
|
if (BT656I_TEST_MODES == nvp6158->mode)
|
format->field = V4L2_FIELD_INTERLACED;
|
else
|
format->field = V4L2_FIELD_NONE;
|
nvp6158->frame_size = match;
|
}
|
|
static int nvp6158_stream(struct v4l2_subdev *sd, int on)
|
{
|
struct i2c_client *client = v4l2_get_subdevdata(sd);
|
struct nvp6158 *nvp6158 = to_nvp6158(sd);
|
video_init_all video_init;
|
NC_VIVO_CH_FORMATDEF fmt_idx;
|
int ch;
|
|
dev_info(&client->dev, "%s: on: %d, %dx%d\n", __func__, on,
|
nvp6158->frame_size->width,
|
nvp6158->frame_size->height);
|
|
mutex_lock(&nvp6158->mutex);
|
on = !!on;
|
|
if (nvp6158->streaming == on)
|
goto unlock;
|
|
if (on) {
|
for (ch = 0; ch < 4; ch++) {
|
fmt_idx = nvp6158->frame_size->fmt_idx;
|
video_init.ch_param[ch].ch = ch;
|
video_init.ch_param[ch].format = fmt_idx;
|
}
|
video_init.mode = nvp6158->mode;
|
nvp6158_start(&video_init, nvp6158->dual_edge ? true : false);
|
#ifdef WORK_QUEUE
|
if (nvp6158->plug_state_check.state_check_wq) {
|
dev_info(&client->dev, "%s queue_delayed_work 1000ms", __func__);
|
queue_delayed_work(nvp6158->plug_state_check.state_check_wq,
|
&nvp6158->plug_state_check.d_work,
|
msecs_to_jiffies(1000));
|
}
|
#endif
|
} else {
|
#ifdef WORK_QUEUE
|
cancel_delayed_work_sync(&nvp6158->plug_state_check.d_work);
|
dev_info(&client->dev, "cancle_queue_delayed_work");
|
#endif
|
nvp6158_stop();
|
}
|
|
nvp6158->streaming = on;
|
|
unlock:
|
mutex_unlock(&nvp6158->mutex);
|
|
return 0;
|
}
|
|
static int nvp6158_enum_frame_interval(struct v4l2_subdev *sd,
|
struct v4l2_subdev_pad_config *cfg,
|
struct v4l2_subdev_frame_interval_enum *fie)
|
{
|
struct nvp6158 *nvp6158 = to_nvp6158(sd);
|
struct i2c_client *client = nvp6158->client;
|
|
dev_dbg(&client->dev, "%s enter.\n", __func__);
|
|
if (fie->index >= ARRAY_SIZE(nvp6158_framesizes))
|
return -EINVAL;
|
|
fie->width = nvp6158_framesizes[fie->index].width;
|
fie->height = nvp6158_framesizes[fie->index].height;
|
fie->interval = nvp6158_framesizes[fie->index].max_fps;
|
return 0;
|
}
|
|
static int nvp6158_enum_mbus_code(struct v4l2_subdev *sd,
|
struct v4l2_subdev_pad_config *cfg,
|
struct v4l2_subdev_mbus_code_enum *code)
|
{
|
if (code->index >= ARRAY_SIZE(nvp6158_formats))
|
return -EINVAL;
|
|
code->code = nvp6158_formats[code->index].code;
|
|
return 0;
|
}
|
|
static int nvp6158_enum_frame_sizes(struct v4l2_subdev *sd,
|
struct v4l2_subdev_pad_config *cfg,
|
struct v4l2_subdev_frame_size_enum *fse)
|
{
|
struct i2c_client *client = v4l2_get_subdevdata(sd);
|
int i = ARRAY_SIZE(nvp6158_formats);
|
|
dev_dbg(&client->dev, "%s: enter!\n", __func__);
|
|
if (fse->index >= ARRAY_SIZE(nvp6158_framesizes))
|
return -EINVAL;
|
|
while (--i)
|
if (fse->code == nvp6158_formats[i].code)
|
break;
|
|
fse->code = nvp6158_formats[i].code;
|
|
fse->min_width = nvp6158_framesizes[fse->index].width;
|
fse->max_width = fse->min_width;
|
fse->max_height = nvp6158_framesizes[fse->index].height;
|
fse->min_height = fse->max_height;
|
|
return 0;
|
}
|
|
/* indicate N4 no signal channel */
|
static inline bool nvp6158_no_signal(struct v4l2_subdev *sd, u8 *novid)
|
{
|
struct nvp6158 *nvp6158 = to_nvp6158(sd);
|
struct i2c_client *client = nvp6158->client;
|
u8 videoloss = 0;
|
int ret;
|
bool no_signal = false;
|
|
nvp6158_write(client, 0xff, 0x00);
|
ret = nvp6158_read(client, 0xa8, &videoloss);
|
if (ret < 0)
|
dev_err(&client->dev, "Failed to read videoloss state!\n");
|
|
*novid = videoloss;
|
dev_info(&client->dev, "%s: video loss status:0x%x.\n", __func__, videoloss);
|
if (videoloss == 0xf) {
|
dev_info(&client->dev, "%s: all channels No Video detected.\n", __func__);
|
no_signal = true;
|
} else {
|
dev_info(&client->dev, "%s: channel has some video detection.\n", __func__);
|
no_signal = false;
|
}
|
return no_signal;
|
}
|
|
/* indicate N4 channel locked status */
|
static inline bool nvp6158_sync(struct v4l2_subdev *sd, u8 *lock_st)
|
{
|
struct i2c_client *client = v4l2_get_subdevdata(sd);
|
u8 video_lock_status = 0;
|
int ret;
|
bool has_sync = false;
|
|
nvp6158_write(client, 0xff, 0x00);
|
ret = nvp6158_read(client, 0xe0, &video_lock_status);
|
if (ret < 0)
|
dev_err(&client->dev, "Failed to read sync state!\n");
|
|
dev_info(&client->dev, "%s: video AGC LOCK status:0x%x.\n",
|
__func__, video_lock_status);
|
*lock_st = video_lock_status;
|
if (video_lock_status) {
|
dev_info(&client->dev, "%s: channel has AGC LOCK.\n", __func__);
|
has_sync = true;
|
} else {
|
dev_info(&client->dev, "%s: channel has no AGC LOCK.\n", __func__);
|
has_sync = false;
|
}
|
return has_sync;
|
}
|
|
#ifdef WORK_QUEUE
|
static void nvp6158_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 nvp6158 *nvp6158 =
|
container_of(params_check, struct nvp6158, plug_state_check);
|
struct i2c_client *client = nvp6158->client;
|
struct v4l2_subdev *sd = &nvp6158->subdev;
|
u8 novid_status = 0x00;
|
u8 sync_status = 0x00;
|
|
nvp6158_no_signal(sd, &novid_status);
|
nvp6158_sync(sd, &sync_status);
|
nvp6158->cur_detect_status = novid_status;
|
|
/* detect state change to determine is there has plug motion */
|
novid_status = nvp6158->cur_detect_status ^ nvp6158->last_detect_status;
|
if (novid_status)
|
nvp6158->hot_plug = true;
|
else
|
nvp6158->hot_plug = false;
|
nvp6158->last_detect_status = nvp6158->cur_detect_status;
|
|
dev_info(&client->dev, "%s has plug motion? (%s)", __func__,
|
nvp6158->hot_plug ? "true" : "false");
|
if (nvp6158->hot_plug) {
|
dev_info(&client->dev, "queue_delayed_work 1500ms, if has hot plug motion.");
|
queue_delayed_work(nvp6158->plug_state_check.state_check_wq,
|
&nvp6158->plug_state_check.d_work, msecs_to_jiffies(1500));
|
nvp6158_write(client, 0xFF, 0x20);
|
nvp6158_write(client, 0x00, (sync_status << 4) | sync_status);
|
usleep_range(3000, 5000);
|
nvp6158_write(client, 0x00, 0xFF);
|
} else {
|
dev_info(&client->dev, "queue_delayed_work 100ms, if no hot plug motion.");
|
queue_delayed_work(nvp6158->plug_state_check.state_check_wq,
|
&nvp6158->plug_state_check.d_work, msecs_to_jiffies(100));
|
}
|
}
|
#endif
|
|
static int nvp6158_g_mbus_config(struct v4l2_subdev *sd, unsigned int pad,
|
struct v4l2_mbus_config *cfg)
|
{
|
struct nvp6158 *nvp6158 = to_nvp6158(sd);
|
|
cfg->type = V4L2_MBUS_BT656;
|
if (nvp6158->dual_edge == 1) {
|
cfg->flags = RKMODULE_CAMERA_BT656_CHANNELS |
|
V4L2_MBUS_PCLK_SAMPLE_RISING |
|
V4L2_MBUS_PCLK_SAMPLE_FALLING;
|
} else {
|
cfg->flags = RKMODULE_CAMERA_BT656_CHANNELS |
|
V4L2_MBUS_PCLK_SAMPLE_RISING;
|
}
|
return 0;
|
}
|
|
static int nvp6158_get_fmt(struct v4l2_subdev *sd,
|
struct v4l2_subdev_pad_config *cfg,
|
struct v4l2_subdev_format *fmt)
|
{
|
struct i2c_client *client = v4l2_get_subdevdata(sd);
|
struct nvp6158 *nvp6158 = to_nvp6158(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, cfg, 0);
|
mutex_lock(&nvp6158->mutex);
|
fmt->format = *mf;
|
mutex_unlock(&nvp6158->mutex);
|
return 0;
|
#else
|
return -ENOTTY;
|
#endif
|
}
|
|
mutex_lock(&nvp6158->mutex);
|
fmt->format = nvp6158->format;
|
mutex_unlock(&nvp6158->mutex);
|
|
dev_dbg(&client->dev, "%s: %x %dx%d\n", __func__,
|
nvp6158->format.code, nvp6158->format.width,
|
nvp6158->format.height);
|
|
return 0;
|
}
|
|
static void __nvp6158_try_frame_size(struct v4l2_mbus_framefmt *mf,
|
const struct nvp6158_framesize **size)
|
{
|
const struct nvp6158_framesize *fsize = &nvp6158_framesizes[0];
|
const struct nvp6158_framesize *match = NULL;
|
int i = ARRAY_SIZE(nvp6158_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 = &nvp6158_framesizes[0];
|
|
mf->width = match->width;
|
mf->height = match->height;
|
|
if (size)
|
*size = match;
|
}
|
|
static int nvp6158_set_fmt(struct v4l2_subdev *sd,
|
struct v4l2_subdev_pad_config *cfg,
|
struct v4l2_subdev_format *fmt)
|
{
|
int index = ARRAY_SIZE(nvp6158_formats);
|
struct v4l2_mbus_framefmt *mf = &fmt->format;
|
const struct nvp6158_framesize *size = NULL;
|
struct nvp6158 *nvp6158 = to_nvp6158(sd);
|
int ret = 0;
|
|
__nvp6158_try_frame_size(mf, &size);
|
|
while (--index >= 0)
|
if (nvp6158_formats[index].code == mf->code)
|
break;
|
|
if (index < 0)
|
return -EINVAL;
|
|
mf->colorspace = V4L2_COLORSPACE_SRGB;
|
mf->code = nvp6158_formats[index].code;
|
mf->field = nvp6158->format.field;
|
|
mutex_lock(&nvp6158->mutex);
|
|
if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) {
|
#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API
|
mf = v4l2_subdev_get_try_format(sd, cfg, fmt->pad);
|
*mf = fmt->format;
|
#else
|
return -ENOTTY;
|
#endif
|
} else {
|
if (nvp6158->streaming) {
|
mutex_unlock(&nvp6158->mutex);
|
return -EBUSY;
|
}
|
|
nvp6158->frame_size = size;
|
nvp6158->format = fmt->format;
|
}
|
|
mutex_unlock(&nvp6158->mutex);
|
return ret;
|
}
|
|
static int nvp6158_g_frame_interval(struct v4l2_subdev *sd,
|
struct v4l2_subdev_frame_interval *fi)
|
{
|
struct nvp6158 *nvp6158 = to_nvp6158(sd);
|
const struct nvp6158_framesize *size = nvp6158->frame_size;
|
|
fi->interval = size->max_fps;
|
|
return 0;
|
}
|
|
static void nvp6158_get_module_inf(struct nvp6158 *nvp6158,
|
struct rkmodule_inf *inf)
|
{
|
memset(inf, 0, sizeof(*inf));
|
strlcpy(inf->base.sensor, NVP6158_NAME, sizeof(inf->base.sensor));
|
strlcpy(inf->base.module, nvp6158->module_name,
|
sizeof(inf->base.module));
|
strlcpy(inf->base.lens, nvp6158->len_name, sizeof(inf->base.lens));
|
}
|
|
static __maybe_unused void
|
nvp6158_get_bt656_module_inf(struct nvp6158 *nvp6158,
|
struct rkmodule_bt656_mbus_info *inf)
|
{
|
memset(inf, 0, sizeof(*inf));
|
inf->flags = RKMODULE_CAMERA_BT656_PARSE_ID_LSB;
|
switch (nvp6158->ch_nums) {
|
case 1:
|
inf->flags |= RKMODULE_CAMERA_BT656_CHANNEL_0;
|
break;
|
case 2:
|
inf->flags |= RKMODULE_CAMERA_BT656_CHANNEL_0 |
|
RKMODULE_CAMERA_BT656_CHANNEL_1;
|
break;
|
case 4:
|
inf->flags |= RKMODULE_CAMERA_BT656_CHANNELS;
|
break;
|
default:
|
inf->flags |= RKMODULE_CAMERA_BT656_CHANNELS;
|
}
|
}
|
|
static void nvp6158_get_vicap_rst_inf(struct nvp6158 *nvp6158,
|
struct rkmodule_vicap_reset_info *rst_info)
|
{
|
struct i2c_client *client = nvp6158->client;
|
|
rst_info->is_reset = nvp6158->hot_plug;
|
nvp6158->hot_plug = false;
|
rst_info->src = RKCIF_RESET_SRC_ERR_HOTPLUG;
|
dev_info(&client->dev, "%s: rst_info->is_reset:%d.\n", __func__, rst_info->is_reset);
|
}
|
|
static void nvp6158_set_vicap_rst_inf(struct nvp6158 *nvp6158,
|
struct rkmodule_vicap_reset_info rst_info)
|
{
|
nvp6158->is_reset = rst_info.is_reset;
|
}
|
|
static void nvp6158_set_streaming(struct nvp6158 *nvp6158, int on)
|
{
|
struct i2c_client *client = nvp6158->client;
|
|
|
dev_info(&client->dev, "%s: on: %d\n", __func__, on);
|
|
if (on) {
|
//VDO2/VDO1 enabled VCLK_1_EN/VCLK_2_EN
|
nvp6158_write(client, 0xFF, 0x01);
|
nvp6158_write(client, 0xCA, 0x66);
|
} else {
|
//VDO2/VDO1 disable VCLK_1/VCLK_2_DISABLE
|
nvp6158_write(client, 0xFF, 0x01);
|
nvp6158_write(client, 0xCA, 0x00);
|
}
|
}
|
|
static long nvp6158_ioctl(struct v4l2_subdev *sd, unsigned int cmd, void *arg)
|
{
|
struct nvp6158 *nvp6158 = to_nvp6158(sd);
|
long ret = 0;
|
u32 stream = 0;
|
|
switch (cmd) {
|
case RKMODULE_GET_MODULE_INFO:
|
nvp6158_get_module_inf(nvp6158, (struct rkmodule_inf *)arg);
|
break;
|
case RKMODULE_GET_BT656_MBUS_INFO:
|
nvp6158_get_bt656_module_inf(nvp6158,
|
(struct rkmodule_bt656_mbus_info
|
*)arg);
|
break;
|
case RKMODULE_GET_START_STREAM_SEQ:
|
if ((nvp6158->mode > BT656_4MUX) &&
|
(nvp6158->mode < NVP6158_DVP_MODES_END))
|
*(int *)arg = RKMODULE_START_STREAM_FRONT;
|
break;
|
case RKMODULE_GET_VICAP_RST_INFO:
|
nvp6158_get_vicap_rst_inf(nvp6158, (struct rkmodule_vicap_reset_info *)arg);
|
break;
|
case RKMODULE_SET_VICAP_RST_INFO:
|
nvp6158_set_vicap_rst_inf(nvp6158, *(struct rkmodule_vicap_reset_info *)arg);
|
break;
|
case RKMODULE_SET_QUICK_STREAM:
|
stream = *((u32 *)arg);
|
nvp6158_set_streaming(nvp6158, !!stream);
|
break;
|
default:
|
ret = -ENOTTY;
|
break;
|
}
|
|
return ret;
|
}
|
|
#ifdef CONFIG_COMPAT
|
static long nvp6158_compat_ioctl32(struct v4l2_subdev *sd,
|
unsigned int cmd, unsigned long arg)
|
{
|
void __user *up = compat_ptr(arg);
|
struct rkmodule_inf *inf;
|
struct rkmodule_awb_cfg *cfg;
|
long ret;
|
struct rkmodule_bt656_mbus_info *bt565_inf;
|
int *seq;
|
struct rkmodule_vicap_reset_info *vicap_rst_inf;
|
u32 stream = 0;
|
|
switch (cmd) {
|
case RKMODULE_GET_MODULE_INFO:
|
inf = kzalloc(sizeof(*inf), GFP_KERNEL);
|
if (!inf) {
|
ret = -ENOMEM;
|
return ret;
|
}
|
|
ret = nvp6158_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 = nvp6158_ioctl(sd, cmd, cfg);
|
else
|
ret = -EFAULT;
|
kfree(cfg);
|
break;
|
case RKMODULE_GET_BT656_MBUS_INFO:
|
bt565_inf = kzalloc(sizeof(*bt565_inf), GFP_KERNEL);
|
if (!bt565_inf) {
|
ret = -ENOMEM;
|
return ret;
|
}
|
|
ret = nvp6158_ioctl(sd, cmd, bt565_inf);
|
if (!ret) {
|
ret = copy_to_user(up, bt565_inf, sizeof(*bt565_inf));
|
if (ret)
|
ret = -EFAULT;
|
}
|
kfree(bt565_inf);
|
break;
|
case RKMODULE_GET_START_STREAM_SEQ:
|
seq = kzalloc(sizeof(*seq), GFP_KERNEL);
|
if (!seq) {
|
ret = -ENOMEM;
|
return ret;
|
}
|
ret = nvp6158_ioctl(sd, cmd, seq);
|
if (!ret) {
|
ret = copy_to_user(up, seq, sizeof(*seq));
|
if (ret)
|
ret = -EFAULT;
|
}
|
kfree(seq);
|
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 = nvp6158_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 = nvp6158_ioctl(sd, cmd, vicap_rst_inf);
|
else
|
ret = -EFAULT;
|
kfree(vicap_rst_inf);
|
break;
|
case RKMODULE_SET_QUICK_STREAM:
|
ret = copy_from_user(&stream, up, sizeof(u32));
|
if (!ret)
|
ret = nvp6158_ioctl(sd, cmd, &stream);
|
else
|
ret = -EFAULT;
|
break;
|
default:
|
ret = -ENOIOCTLCMD;
|
break;
|
}
|
|
return ret;
|
}
|
#endif
|
|
static int nvp6158_runtime_resume(struct device *dev)
|
{
|
struct i2c_client *client = to_i2c_client(dev);
|
struct v4l2_subdev *sd = i2c_get_clientdata(client);
|
struct nvp6158 *nvp6158 = to_nvp6158(sd);
|
|
return __nvp6158_power_on(nvp6158);
|
}
|
|
static int nvp6158_runtime_suspend(struct device *dev)
|
{
|
struct i2c_client *client = to_i2c_client(dev);
|
struct v4l2_subdev *sd = i2c_get_clientdata(client);
|
struct nvp6158 *nvp6158 = to_nvp6158(sd);
|
|
__nvp6158_power_off(nvp6158);
|
|
return 0;
|
}
|
|
static const struct dev_pm_ops nvp6158_pm_ops = {
|
SET_RUNTIME_PM_OPS(nvp6158_runtime_suspend,
|
nvp6158_runtime_resume, NULL)
|
};
|
|
static const struct v4l2_subdev_video_ops nvp6158_video_ops = {
|
.s_stream = nvp6158_stream,
|
.querystd = nvp6158_querystd,
|
.g_frame_interval = nvp6158_g_frame_interval,
|
};
|
|
static const struct v4l2_subdev_pad_ops nvp6158_subdev_pad_ops = {
|
.enum_mbus_code = nvp6158_enum_mbus_code,
|
.enum_frame_size = nvp6158_enum_frame_sizes,
|
.get_fmt = nvp6158_get_fmt,
|
.set_fmt = nvp6158_set_fmt,
|
.get_selection = nvp6158_get_selection,
|
.enum_frame_interval = nvp6158_enum_frame_interval,
|
.get_mbus_config = nvp6158_g_mbus_config,
|
};
|
|
static const struct v4l2_subdev_core_ops nvp6158_core_ops = {
|
.s_power = nvp6158_power,
|
.ioctl = nvp6158_ioctl,
|
#ifdef CONFIG_COMPAT
|
.compat_ioctl32 = nvp6158_compat_ioctl32,
|
#endif
|
};
|
|
static const struct v4l2_subdev_ops nvp6158_subdev_ops = {
|
.core = &nvp6158_core_ops,
|
.video = &nvp6158_video_ops,
|
.pad = &nvp6158_subdev_pad_ops,
|
};
|
|
static void get_dvp_mode(struct nvp6158 *nvp6158)
|
{
|
struct device *dev = &nvp6158->client->dev;
|
char mode[128];
|
u32 i;
|
|
sprintf(mode, "%s_%dMUX", nvp6158->dvp_mode, nvp6158->ch_nums);
|
dev_info(dev, "combined dvp mode is(%s)\n", mode);
|
for (i = 0; i < NVP6158_DVP_MODES_END; i++) {
|
if (!strcmp(mode, nvp6158_dvp_mode_lists[i]))
|
break;
|
}
|
|
if (i < NVP6158_DVP_MODES_END)
|
nvp6158->mode = i;
|
else
|
nvp6158->mode = BT656I_TEST_MODES;
|
dev_info(dev, "get dvp mode (%s)\n", nvp6158_dvp_mode_lists[nvp6158->mode]);
|
}
|
|
static int nvp6158_parse_dts(struct nvp6158 *nvp6158)
|
{
|
int ret;
|
int elem_size, elem_index;
|
const char *str = "";
|
struct property *prop;
|
struct nvp6158_regulator *regulator;
|
struct device *dev = &nvp6158->client->dev;
|
struct device_node *np = of_node_get(dev->of_node);
|
|
nvp6158->xvclk = devm_clk_get(dev, "xvclk");
|
if (IS_ERR(nvp6158->xvclk)) {
|
dev_err(dev, "Failed to get xvclk\n");
|
return -EINVAL;
|
}
|
ret = clk_set_rate(nvp6158->xvclk, NVP6158_XVCLK_FREQ);
|
if (ret < 0) {
|
dev_err(dev, "Failed to set xvclk rate (24MHz)\n");
|
return ret;
|
}
|
if (clk_get_rate(nvp6158->xvclk) != NVP6158_XVCLK_FREQ)
|
dev_warn(dev, "xvclk mismatched, modes are based on 24MHz\n");
|
|
nvp6158->pinctrl = devm_pinctrl_get(dev);
|
if (!IS_ERR(nvp6158->pinctrl)) {
|
nvp6158->pins_default =
|
pinctrl_lookup_state(nvp6158->pinctrl,
|
OF_CAMERA_PINCTRL_STATE_DEFAULT);
|
if (IS_ERR(nvp6158->pins_default))
|
dev_err(dev, "could not get default pinstate\n");
|
|
nvp6158->pins_sleep =
|
pinctrl_lookup_state(nvp6158->pinctrl,
|
OF_CAMERA_PINCTRL_STATE_SLEEP);
|
if (IS_ERR(nvp6158->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)) {
|
nvp6158->regulators.regulator =
|
devm_kzalloc(&nvp6158->client->dev,
|
elem_size * sizeof(struct nvp6158_regulator),
|
GFP_KERNEL);
|
if (!nvp6158->regulators.regulator)
|
dev_err(dev, "could not malloc nvp6158_regulator\n");
|
|
nvp6158->regulators.cnt = elem_size;
|
|
str = NULL;
|
elem_index = 0;
|
regulator = nvp6158->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++,
|
®ulator->min_uV);
|
regulator->max_uV = regulator->min_uV;
|
regulator++;
|
} while (--elem_size);
|
}
|
}
|
|
if (of_property_read_string(np,
|
RK_CAMERA_MODULE_DVP_MODE,
|
&nvp6158->dvp_mode)) {
|
nvp6158->dvp_mode = NVP6158_DEFAULT_DVP_MODE;
|
dev_warn(dev,
|
"can not get module %s from dts, use default(%s)!\n",
|
RK_CAMERA_MODULE_DVP_MODE,
|
NVP6158_DEFAULT_DVP_MODE);
|
} else {
|
dev_info(dev,
|
"get module %s from dts, dvp mode(%s)!\n",
|
RK_CAMERA_MODULE_DVP_MODE, nvp6158->dvp_mode);
|
}
|
|
if (of_property_read_u32(np,
|
RK_CAMERA_MODULE_CHANNEL_NUMS,
|
&nvp6158->ch_nums)) {
|
nvp6158->ch_nums = NVP6158_DEFAULT_CHANNEL_NUMS;
|
dev_warn(dev,
|
"can not get module %s from dts, use default(%d)!\n",
|
RK_CAMERA_MODULE_CHANNEL_NUMS,
|
NVP6158_DEFAULT_CHANNEL_NUMS);
|
} else {
|
dev_info(dev,
|
"get module %s from dts, channel_nums(%d)!\n",
|
RK_CAMERA_MODULE_DVP_MODE, nvp6158->ch_nums);
|
}
|
|
if (of_property_read_u32(np,
|
RK_CAMERA_MODULE_DUAL_EDGE,
|
&nvp6158->dual_edge)) {
|
nvp6158->dual_edge = NVP6158_DEFAULT_DUAL_EDGE;
|
dev_warn(dev,
|
"can not get module %s from dts, use default(%d)!\n",
|
RK_CAMERA_MODULE_DUAL_EDGE,
|
NVP6158_DEFAULT_DUAL_EDGE);
|
} else {
|
dev_info(dev,
|
"get module %s from dts, dual_edge(%d)!\n",
|
RK_CAMERA_MODULE_DUAL_EDGE, nvp6158->dual_edge);
|
}
|
|
|
|
if (of_property_read_u32_array(np,
|
RK_CAMERA_MODULE_DEFAULT_RECT,
|
(unsigned int *)&nvp6158->defrect, 2)) {
|
nvp6158->defrect.width = NVP6158_DEFAULT_WIDTH;
|
nvp6158->defrect.height = NVP6158_DEFAULT_HEIGHT;
|
dev_warn(dev,
|
"can not get module %s from dts, use default wxh(%dx%d)!\n",
|
RK_CAMERA_MODULE_DEFAULT_RECT,
|
NVP6158_DEFAULT_WIDTH, NVP6158_DEFAULT_HEIGHT);
|
} else {
|
dev_info(dev,
|
"get module %s from dts, wxh(%dx%d)!\n",
|
RK_CAMERA_MODULE_DEFAULT_RECT,
|
nvp6158->defrect.width,
|
nvp6158->defrect.height);
|
}
|
|
/* AHD_PWR_EN */
|
nvp6158->pwr_gpio = devm_gpiod_get(dev, "pwr", GPIOD_OUT_LOW);
|
if (IS_ERR(nvp6158->pwr_gpio))
|
dev_warn(dev, "can not find pd-gpios, error %ld\n",
|
PTR_ERR(nvp6158->pwr_gpio));
|
/* AHD CAM_PWR_EN*/
|
nvp6158->pwr2_gpio = devm_gpiod_get(dev, "pwr2", GPIOD_OUT_LOW);
|
if (IS_ERR(nvp6158->pwr2_gpio))
|
dev_warn(dev, "can not find pd2-gpios, error %ld\n",
|
PTR_ERR(nvp6158->pwr2_gpio));
|
|
nvp6158->rst_gpio = devm_gpiod_get(dev, "rst", GPIOD_OUT_LOW);
|
if (IS_ERR(nvp6158->rst_gpio))
|
dev_warn(dev, "can not find rst-gpios, error %ld\n",
|
PTR_ERR(nvp6158->rst_gpio));
|
|
nvp6158->rst2_gpio = devm_gpiod_get(dev, "rst2", GPIOD_OUT_LOW);
|
if (IS_ERR(nvp6158->rst2_gpio))
|
dev_warn(dev, "can not find rst2-gpios, error %ld\n",
|
PTR_ERR(nvp6158->rst2_gpio));
|
|
nvp6158->pwdn_gpio = devm_gpiod_get(dev, "pwdn", GPIOD_OUT_LOW);
|
if (IS_ERR(nvp6158->pwdn_gpio))
|
dev_warn(dev, "can not find pwd-gpios, error %ld\n",
|
PTR_ERR(nvp6158->pwdn_gpio));
|
|
nvp6158->pwdn2_gpio = devm_gpiod_get(dev, "pwdn2", GPIOD_OUT_LOW);
|
if (IS_ERR(nvp6158->pwdn2_gpio))
|
dev_warn(dev, "can not find pwd2-gpios, error %ld\n",
|
PTR_ERR(nvp6158->pwdn2_gpio));
|
|
return 0;
|
}
|
|
|
static int nvp6158_probe(struct i2c_client *client,
|
const struct i2c_device_id *id)
|
{
|
struct device *dev = &client->dev;
|
struct device_node *node = dev->of_node;
|
struct nvp6158 *nvp6158;
|
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);
|
|
nvp6158 = devm_kzalloc(dev, sizeof(*nvp6158), GFP_KERNEL);
|
if (!nvp6158)
|
return -ENOMEM;
|
|
ret = of_property_read_u32(node, RKMODULE_CAMERA_MODULE_INDEX,
|
&nvp6158->module_index);
|
ret |= of_property_read_string(node, RKMODULE_CAMERA_MODULE_FACING,
|
&nvp6158->module_facing);
|
ret |= of_property_read_string(node, RKMODULE_CAMERA_MODULE_NAME,
|
&nvp6158->module_name);
|
ret |= of_property_read_string(node, RKMODULE_CAMERA_LENS_NAME,
|
&nvp6158->len_name);
|
if (ret) {
|
dev_err(dev, "could not get %s!\n", RKMODULE_CAMERA_LENS_NAME);
|
return -EINVAL;
|
}
|
|
nvp6158->client = client;
|
|
ret = nvp6158_parse_dts(nvp6158);
|
if (ret) {
|
dev_err(dev, "Failed to analyze dts\n");
|
return ret;
|
}
|
get_dvp_mode(nvp6158);
|
|
mutex_init(&nvp6158->mutex);
|
nvp6158_get_default_format(nvp6158);
|
|
sd = &nvp6158->subdev;
|
v4l2_i2c_subdev_init(sd, client, &nvp6158_subdev_ops);
|
ret = nvp6158_initialize_controls(nvp6158);
|
if (ret)
|
goto err_destroy_mutex;
|
|
__nvp6158_power_on(nvp6158);
|
ret = nvp6158_init(i2c_adapter_id(client->adapter));
|
if (ret) {
|
dev_err(dev, "Failed to init nvp6158\n");
|
goto err_power_off;
|
}
|
|
#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API
|
sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
|
#endif
|
|
#if defined(CONFIG_MEDIA_CONTROLLER)
|
for (index = 0; index < nvp6158->ch_nums; index++)
|
nvp6158->pad[index].flags = MEDIA_PAD_FL_SOURCE;
|
sd->entity.function = MEDIA_ENT_F_CAM_SENSOR;
|
ret = media_entity_pads_init(&sd->entity, nvp6158->ch_nums, nvp6158->pad);
|
if (ret < 0)
|
goto err_power_off;
|
#endif
|
|
memset(facing, 0, sizeof(facing));
|
if (strcmp(nvp6158->module_facing, "back") == 0)
|
facing[0] = 'b';
|
else
|
facing[0] = 'f';
|
|
snprintf(sd->name, sizeof(sd->name), "m%02d_%s_%s %s",
|
nvp6158->module_index, facing,
|
NVP6158_NAME, dev_name(sd->dev));
|
|
ret = v4l2_async_register_subdev_sensor_common(sd);
|
if (ret) {
|
dev_err(dev, "v4l2 async register subdev failed\n");
|
goto err_clean_entity;
|
}
|
pm_runtime_set_active(dev);
|
pm_runtime_enable(dev);
|
pm_runtime_idle(dev);
|
#ifdef WORK_QUEUE
|
/* init work_queue for state_check */
|
INIT_DELAYED_WORK(&nvp6158->plug_state_check.d_work, nvp6158_plug_state_check_work);
|
nvp6158->plug_state_check.state_check_wq =
|
create_singlethread_workqueue("nvp6158_work_queue");
|
if (nvp6158->plug_state_check.state_check_wq == NULL) {
|
dev_err(dev, "%s(%d): %s create failed.\n", __func__, __LINE__,
|
"nvp6158_work_queue");
|
}
|
nvp6158->cur_detect_status = 0x0;
|
nvp6158->last_detect_status = 0x0;
|
nvp6158->hot_plug = false;
|
nvp6158->is_reset = 0;
|
|
#endif
|
return 0;
|
|
err_clean_entity:
|
#if defined(CONFIG_MEDIA_CONTROLLER)
|
media_entity_cleanup(&sd->entity);
|
#endif
|
err_power_off:
|
__nvp6158_power_off(nvp6158);
|
err_destroy_mutex:
|
mutex_destroy(&nvp6158->mutex);
|
|
return ret;
|
}
|
|
static int nvp6158_remove(struct i2c_client *client)
|
{
|
struct v4l2_subdev *sd = i2c_get_clientdata(client);
|
struct nvp6158 *nvp6158 = to_nvp6158(sd);
|
|
nvp6158_exit();
|
v4l2_ctrl_handler_free(&nvp6158->ctrl_handler);
|
mutex_destroy(&nvp6158->mutex);
|
|
pm_runtime_disable(&client->dev);
|
if (!pm_runtime_status_suspended(&client->dev))
|
__nvp6158_power_off(nvp6158);
|
pm_runtime_set_suspended(&client->dev);
|
#ifdef WORK_QUEUE
|
if (nvp6158->plug_state_check.state_check_wq != NULL)
|
destroy_workqueue(nvp6158->plug_state_check.state_check_wq);
|
#endif
|
return 0;
|
}
|
|
#if IS_ENABLED(CONFIG_OF)
|
static const struct of_device_id nvp6158_of_match[] = {
|
{ .compatible = "nvp6158-v4l2" },
|
{},
|
};
|
MODULE_DEVICE_TABLE(of, nvp6158_of_match);
|
#endif
|
|
static const struct i2c_device_id nvp6158_match_id[] = {
|
{ "nvp6158-v4l2", 0 },
|
{ },
|
};
|
|
static struct i2c_driver nvp6158_i2c_driver = {
|
.driver = {
|
.name = NVP6158_NAME,
|
.pm = &nvp6158_pm_ops,
|
.of_match_table = of_match_ptr(nvp6158_of_match),
|
},
|
.probe = &nvp6158_probe,
|
.remove = &nvp6158_remove,
|
.id_table = nvp6158_match_id,
|
};
|
|
static int __init sensor_mod_init(void)
|
{
|
return i2c_add_driver(&nvp6158_i2c_driver);
|
}
|
|
static void __exit sensor_mod_exit(void)
|
{
|
i2c_del_driver(&nvp6158_i2c_driver);
|
}
|
|
device_initcall_sync(sensor_mod_init);
|
module_exit(sensor_mod_exit);
|
|
MODULE_DESCRIPTION("nvp6158 sensor driver");
|
MODULE_LICENSE("GPL v2");
|
