| /* 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 |