/* SPDX-License-Identifier: GPL-2.0-only */
/* Copyright (c) 2017-2023, NVIDIA CORPORATION & AFFILIATES. All rights reserved. */
/* Copyright (c) 2017-2022, e-con Systems, All Rights Reserved. */
/*
 * ar1335.h - ar0330 sensor mode tables
 */

#ifndef __AR1335_TABLES__
#define __AR1335_TABLES__

#include <media/camera_common.h>

#define AR1335_DEFAULT_MODE		0

#define AR1335_DEFAULT_WIDTH    	640
#define AR1335_DEFAULT_HEIGHT		480
#define AR1335_DEFAULT_DATAFMT		MEDIA_BUS_FMT_UYVY8_1X16
#define AR1335_NUM_CONTROLS		30

#define PADCTL_AO_CFG2TMC_GPIO_SEN8_0 	0x0c30208c
#define PADCTL_AO_CFG2TMC_GPIO_SEN9_0 	0x0c302094

////////////////////////////////////////////////////////////////////////////////////////////

/* Defines related to MCU */

#define CMD_SIGNATURE			0x43
#define TX_LEN_PKT			5
#define RX_LEN_PKT			6
#define HEADER_FOOTER_SIZE		4
#define CMD_STATUS_MSG_LEN		7

#define VERSION_SIZE			32
#define VERSION_FILE_OFFSET		100

#define MCU_CMD_STATUS_SUCCESS		0x0000
#define MCU_CMD_STATUS_PENDING		0xF000
#define MCU_CMD_STATUS_ISP_PWDN		0x0FF0
#define MCU_CMD_STATUS_ISP_UNINIT	0x0FF1

#define MAX_NUM_FRATES			10
#define MAX_CTRL_DATA_LEN 		100
#define MAX_CTRL_UI_STRING_LEN		33

typedef enum _errno {
	ERRCODE_SUCCESS = 0x00,
	ERRCODE_BUSY = 0x01,
	ERRCODE_INVAL = 0x02,
	ERRCODE_PERM = 0x03,
	ERRCODE_NODEV = 0x04,
	ERRCODE_IO = 0x05,
	ERRCODE_HW_SPEC = 0x06,
	ERRCODE_AGAIN = 0x07,
	ERRCODE_ALREADY = 0x08,
	ERRCODE_NOTIMPL = 0x09,
	ERRCODE_RANGE = 0x0A,

	/*   Reserved 0x0B - 0xFE */

	ERRCODE_UNKNOWN = 0xFF,
} RETCODE;

typedef enum _cmd_id {
	CMD_ID_VERSION = 0x00,
	CMD_ID_GET_SENSOR_ID = 0x01,
	CMD_ID_GET_STREAM_INFO = 0x02,
	CMD_ID_GET_CTRL_INFO = 0x03,
	CMD_ID_INIT_CAM = 0x04,
	CMD_ID_GET_STATUS = 0x05,
	CMD_ID_DE_INIT_CAM = 0x06,
	CMD_ID_STREAM_ON = 0x07,
	CMD_ID_STREAM_OFF = 0x08,
	CMD_ID_STREAM_CONFIG = 0x09,
	CMD_ID_GET_CTRL_UI_INFO = 0x0A,

	/* Reserved 0x0B to 0x0F */

	CMD_ID_GET_CTRL = 0x10,
	CMD_ID_SET_CTRL = 0x11,

	/* Reserved 0x12, 0x13 */

	CMD_ID_FW_UPDT = 0x14,
	CMD_ID_ISP_PDOWN = 0x15,
	CMD_ID_ISP_PUP = 0x16,

	/*Configuring MIPI Lane*/
	CMD_ID_LANE_CONFIG = 0x17,

	/* Reserved - 0x17 to 0xFE (except 0x43) */

	CMD_ID_UNKNOWN = 0xFF,

} HOST_CMD_ID;

enum {
	FRAME_RATE_DISCRETE = 0x01,
	FRAME_RATE_CONTINOUS = 0x02,
};

enum {
	CTRL_STANDARD = 0x01,
	CTRL_EXTENDED = 0x02,
};

enum {
	/* 0x01 - Integer (32bit)
	 * 0x02 - Long Int (64 bit)
	 * 0x03 - String
	 * 0x04 - Pointer to a 1-Byte Array
	 * 0x05 - Pointer to a 2-Byte Array
	 * 0x06 - Pointer to a 4-Byte Array
	 * 0x07 - Pointer to Generic Data (custom Array)
	 */

	EXT_CTRL_TYPE_INTEGER = 0x01,
	EXT_CTRL_TYPE_LONG = 0x02,
	EXT_CTRL_TYPE_STRING = 0x03,
	EXT_CTRL_TYPE_PTR8 = 0x04,
	EXT_CTRL_TYPE_PTR16 = 0x05,
	EXT_CTRL_TYPE_PTR32 = 0x06,
	EXT_CTRL_TYPE_VOID = 0x07,
};

enum {
	MODE_VGA = 0,
	MODE_HD,
	MODE_FHD,
	MODE_UHD,
	MODE_UHD_CINEMA,
	MODE_13MP,
	MODE_UNKNOWN,
};

enum {
	V4L2_CID_FACEDETECT = (V4L2_CID_AUTO_FOCUS_RANGE+1),
	V4L2_CID_FACEMARK,
	V4L2_CID_SMILEDETECT,
	V4L2_GET_FACEINFO,
	V4L2_CID_ROI_WINDOW,
	V4L2_CID_ROI_FOCUS,
	V4L2_CID_ROI_EXPOSURE,
	V4L2_CID_TRIGGER_FOCUS,

	/* New Controls */
	V4L2_CID_HDR,
	V4L2_CID_COLORKILL,
	V4L2_CID_FRAME_SYNC,
	V4L2_CID_CUSTOM_EXPOSURE_AUTO,
	V4L2_CID_CUSTOM_FLASH_STROBE,
	V4L2_CID_DENOISE,
	V4L2_CID_GRAYSCALE,
	V4L2_CID_LSCMODE,
	V4L2_CID_FOCUS_WINDOW,
	V4L2_CID_EXPOSURE_COMPENSATION,
};

/* Stream and Control Info Struct */
typedef struct _isp_stream_info {
	uint32_t fmt_fourcc;
	uint16_t width;
	uint16_t height;
	uint8_t frame_rate_type;
	union {
		struct {
			uint16_t frame_rate_num;
			uint16_t frame_rate_denom;
		} disc;
		struct {
			uint16_t frame_rate_min_num;
			uint16_t frame_rate_min_denom;
			uint16_t frame_rate_max_num;
			uint16_t frame_rate_max_denom;
			uint16_t frame_rate_step_num;
			uint16_t frame_rate_step_denom;
		} cont;
	} frame_rate;
} ISP_STREAM_INFO;


typedef struct _isp_ctrl_ui_info {
	struct {
		char ctrl_name[MAX_CTRL_UI_STRING_LEN];
		uint8_t ctrl_ui_type;
		uint8_t ctrl_ui_flags;
	} ctrl_ui_info;

	/* This Struct is valid only if ctrl_ui_type = 0x03 */
	struct {
		uint8_t num_menu_elem;
		char **menu;
	} ctrl_menu_info;
} ISP_CTRL_UI_INFO;

typedef struct _isp_ctrl_info_std {
	uint32_t ctrl_id;
	uint8_t ctrl_type;
	union {
		struct {
			int32_t ctrl_min;
			int32_t ctrl_max;
			int32_t ctrl_def;
			int32_t ctrl_step;
		} std;
		struct {
			uint8_t val_type;
			uint32_t val_length;
			// This size may vary according to ctrl types
			uint8_t val_data[MAX_CTRL_DATA_LEN];
		} ext;
	} ctrl_data;
	ISP_CTRL_UI_INFO ctrl_ui_data;
} ISP_CTRL_INFO;

struct cam {
	struct camera_common_power_rail power;
	int numctrls;
	struct v4l2_ctrl_handler ctrl_handler;
	struct i2c_client *i2c_client;
	struct v4l2_subdev *subdev;
	struct media_pad pad;

	int reg_offset;

	s32 group_hold_prev;
	bool group_hold_en;
	struct regmap *b_regmap;
	struct regmap *w_regmap;
	struct regmap *dw_regmap;

	struct camera_common_data *s_data;
	struct camera_common_pdata *pdata;
	int ident;
	u16 chip_id;
	u8 revision;

	uint16_t frate_index;
	uint32_t format_fourcc;
	int frmfmt_mode;

	int num_ctrls;
	ISP_STREAM_INFO *stream_info;
	ISP_CTRL_INFO *mcu_ctrl_info;

	/* Total formats */
	int *streamdb;
	uint32_t *ctrldb;

	/* Array of Camera framesizes */
	struct camera_common_frmfmt *mcu_cam_frmfmt;
	uint16_t prev_index;
	uint16_t mipi_lane_config;
	uint8_t last_sync_mode;

	struct v4l2_ctrl *ctrls[];
};

/* Mutex for I2C lock */
static DEFINE_MUTEX(mcu_i2c_mutex);

static int cam_g_volatile_ctrl(struct v4l2_ctrl *ctrl);
static int cam_s_ctrl(struct v4l2_ctrl *ctrl);
static int cam_read(struct i2c_client *client, u8 * val, u32 count);
static int cam_write(struct i2c_client *client, u8 * val, u32 count);

int cam_s_power(struct v4l2_subdev *sd, int on);
static void toggle_gpio(unsigned int gpio, int value);

static int mcu_get_fw_version(struct i2c_client *client, unsigned char * fw_version, unsigned char *txt_fw_version);
unsigned char errorcheck(char *data, unsigned int len);

static int mcu_list_fmts(struct i2c_client *client, ISP_STREAM_INFO *stream_info, int *frm_fmt_size, struct cam *);
static int mcu_list_ctrls(struct i2c_client *client,
			  ISP_CTRL_INFO * mcu_ctrl_info, struct cam *);
static int mcu_get_sensor_id(struct i2c_client *client, uint16_t * sensor_id);
static int mcu_get_cmd_status(struct i2c_client *client, uint8_t * cmd_id,
			      uint16_t * cmd_status, uint8_t * ret_code);
static int mcu_isp_init(struct i2c_client *client);
static int mcu_stream_config(struct i2c_client *client, uint32_t format,
			     int mode, int frate_index);
static int mcu_set_ctrl(struct i2c_client *client, uint32_t ctrl_id,
			uint8_t ctrl_type, int32_t curr_val);
static int mcu_get_ctrl(struct i2c_client *client, uint32_t ctrl_id,
			uint8_t * ctrl_type, int32_t * curr_val);
static int mcu_get_ctrl_ui(struct i2c_client *client,
			   ISP_CTRL_INFO * mcu_ui_info, int index);
static int mcu_fw_update(struct i2c_client *client, unsigned char *txt_fw_version);

static int mcu_cam_stream_on_off(struct i2c_client *client, int cmd);

#endif /* __AR1335_TABLES__ */