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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __DW9714_H__
#define __DW9714_H__
#include "../../include/linux/atomisp_platform.h"
#include <linux/types.h>
#define DW9714_VCM_ADDR 0x0c
enum dw9714_tok_type {
DW9714_8BIT = 0x0001,
DW9714_16BIT = 0x0002,
};
struct dw9714_vcm_settings {
u16 code; /* bit[9:0]: Data[9:0] */
u8 t_src; /* bit[4:0]: T_SRC[4:0] */
u8 step_setting; /* bit[3:0]: S[3:0]/bit[5:4]: MCLK[1:0] */
bool update;
};
enum dw9714_vcm_mode {
DW9714_DIRECT = 0x1, /* direct control */
DW9714_LSC = 0x2, /* linear slope control */
DW9714_DLC = 0x3, /* dual level control */
};
/* dw9714 device structure */
struct dw9714_device {
struct dw9714_vcm_settings vcm_settings;
struct timespec timestamp_t_focus_abs;
enum dw9714_vcm_mode vcm_mode;
s16 number_of_steps;
bool initialized; /* true if dw9714 is detected */
s32 focus; /* Current focus value */
struct timespec focus_time; /* Time when focus was last time set */
__u8 buffer[4]; /* Used for i2c transactions */
const struct camera_af_platform_data *platform_data;
};
#define DW9714_INVALID_CONFIG 0xffffffff
#define DW9714_MAX_FOCUS_POS 1023
#define DW9714_DEFAULT_FOCUS_POS 290
/* MCLK[1:0] = 01 T_SRC[4:0] = 00001 S[3:0] = 0111 */
#define DELAY_PER_STEP_NS 1000000
#define DELAY_MAX_PER_STEP_NS (1000000 * 1023)
#define DLC_ENABLE 1
#define DLC_DISABLE 0
#define VCM_PROTECTION_OFF 0xeca3
#define VCM_PROTECTION_ON 0xdc51
#define VCM_DEFAULT_S 0x0
#define vcm_step_s(a) (u8)(a & 0xf)
#define vcm_step_mclk(a) (u8)((a >> 4) & 0x3)
#define vcm_dlc_mclk(dlc, mclk) (u16)((dlc << 3) | mclk | 0xa104)
#define vcm_tsrc(tsrc) (u16)(tsrc << 3 | 0xf200)
#define vcm_val(data, s) (u16)(data << 4 | s)
#define DIRECT_VCM vcm_dlc_mclk(0, 0)
#endif
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