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// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2021 StarFive Technology Co., Ltd.
*/
#ifndef STF_ISP_H
#define STF_ISP_H
#include <media/v4l2-subdev.h>
#include <media/v4l2-ctrls.h>
#include <media/v4l2-device.h>
#include <media/media-entity.h>
#include <video/stf-vin.h>
#define STF_ISP_PAD_SINK 0
#define STF_ISP_PAD_SRC 1
#define STF_ISP_PADS_NUM 2
#define STF_ISP0_SETFILE "stf_isp0_fw.bin"
#define STF_ISP1_SETFILE "stf_isp1_fw.bin"
#define FILENAME_MAX_LEN 30
#define SCALER_RATIO_MAX 1 // no compose function
#define STF_ISP_REG_OFFSET_MAX 0x0FFF
#define STF_ISP_REG_DELAY_MAX 100
#define ISP_REG_CSIINTS_ADDR 0x00000008
#define ISP_REG_DUMP_CFG_0 0x00000024
#define ISP_REG_DUMP_CFG_1 0x00000028
#define ISP_REG_IESHD_ADDR 0x00000A50
struct stfisp_fw_info {
char __user filename[FILENAME_MAX_LEN];
};
#define VIDIOC_STFISP_LOAD_FW \
_IOW('V', BASE_VIDIOC_PRIVATE + 1, struct stfisp_fw_info)
struct isp_format {
u32 code;
u8 bpp;
};
typedef struct {
u32 addr;
u32 val;
u32 mask;
u32 delay_ms;
} regval_t;
struct reg_table {
const regval_t *regval;
int regval_num;
};
struct stf_isp_dev;
enum subdev_type;
struct isp_hw_ops {
int (*isp_clk_enable)(struct stf_isp_dev *isp_dev);
int (*isp_clk_disable)(struct stf_isp_dev *isp_dev);
int (*isp_reset)(struct stf_isp_dev *isp_dev);
int (*isp_config_set)(struct stf_isp_dev *isp_dev);
int (*isp_set_format)(struct stf_isp_dev *isp_dev,
struct v4l2_rect *crop, u32 mcode);
// u32 width, u32 height);
int (*isp_stream_set)(struct stf_isp_dev *isp_dev, int on);
};
struct isp_ctrls {
struct v4l2_ctrl_handler handler;
struct v4l2_ctrl *pixel_rate;
struct {
struct v4l2_ctrl *auto_exp;
struct v4l2_ctrl *exposure;
};
struct {
struct v4l2_ctrl *auto_wb;
struct v4l2_ctrl *blue_balance;
struct v4l2_ctrl *red_balance;
};
struct {
struct v4l2_ctrl *auto_gain;
struct v4l2_ctrl *gain;
};
struct v4l2_ctrl *brightness;
struct v4l2_ctrl *light_freq;
struct v4l2_ctrl *saturation;
struct v4l2_ctrl *contrast;
struct v4l2_ctrl *hue;
struct v4l2_ctrl *test_pattern;
struct v4l2_ctrl *hflip;
struct v4l2_ctrl *vflip;
};
struct isp_setfile {
struct reg_table settings;
const u8 *data;
unsigned int size;
unsigned int state;
};
struct stf_isp_dev {
enum subdev_type sdev_type; // must be frist
struct stfcamss *stfcamss;
atomic_t ref_count;
u8 id;
struct v4l2_subdev subdev;
struct media_pad pads[STF_ISP_PADS_NUM];
struct v4l2_mbus_framefmt fmt[STF_ISP_PADS_NUM];
struct v4l2_rect compose;
struct v4l2_rect crop;
const struct isp_format *formats;
unsigned int nformats;
struct isp_hw_ops *hw_ops;
struct mutex stream_lock;
int stream_count;
struct isp_ctrls ctrls;
struct mutex setfile_lock;
struct isp_setfile setfile;
};
extern int stf_isp_subdev_init(struct stfcamss *stfcamss, int id);
extern int stf_isp_register(struct stf_isp_dev *isp_dev,
struct v4l2_device *v4l2_dev);
extern int stf_isp_unregister(struct stf_isp_dev *isp_dev);
extern struct isp_hw_ops isp_ops;
extern void dump_isp_reg(void *__iomem ispbase, int id);
#endif /* STF_ISP_H */
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