/* SPDX-License-Identifier: GPL-2.0-only */ #ifndef _I2C_PTN3460_H_ #define _I2C_PTN3460_H_ #include <types.h> #define PTN_EDID_OFF 0x00 #define PTN_EDID_LEN 0x80 #define PTN_CONFIG_OFF 0x80 #define PTN_CONFIG_LEN 0x19 #define PTN_FLASH_CFG_OFF 0xE8 #define PTN_FLASH_CFG_LEN 0x04 #define PTN_MAX_EDID_NUM 6 #define PTN_ENABLE_EMULATION (1 << 0) /* Define some error codes that can be used */ #define PTN_SUCCESS 0x00000000 #define PTN_CFG_MODIFIED 0x00000001 #define PTN_BUS_ERROR 0x10000000 #define PTN_INVALID_EDID 0x20000000 #define PTN_INVALID_EDID_BLOCK 0x30000000 #define PTN_ERROR 0x40000000 struct ptn_3460_config { u8 dp_interface_ctrl; /* DisplayPort interface control */ u8 lvds_interface_ctrl1; /* LVDS interface control register 1 */ u8 lvds_interface_ctrl2; /* LVDS interface control register 2 */ u8 lvds_interface_ctrl3; /* LVDS interface control register 3 */ u8 edid_rom_emulation; /* select which EDID-block is emulated */ u8 edid_rom_access_ctrl; /* select which EDID block to map to 0..0x7F */ u8 pwm_min[3]; /* smallest PWM frequency for back light */ u8 pwm_max[3]; /* biggest PWM frequency for back light */ u8 fast_link_ctrl; /* Fast link training control register */ u8 pin_cfg_ctrl1; /* Pin configuration control register 1 */ u8 pin_cfg_ctrl2; /* Pin configuration control register 2 */ u8 pwm_default; /* Default PWM bit count in DPCD register */ u16 pwm_value; /* Current PWM bit count in DPCD register */ u8 pwm_default_freq; /* Default PWM frequency in DPCD register */ u8 t3_timing; /* Panel T3 timing value */ u8 t12_timing; /* Panel T12 timing value */ u8 backlight_ctrl; /* Back light control register */ u8 t2_delay; /* Panel T2 delay */ u8 t4_timing; /* Panel T4 timing value */ u8 t5_delay; /* Panel T5 delay */ } __packed; struct ptn_3460_flash { u8 cmd; /* Flash command (erase or erase and flash) */ u16 magic; /* Magic number needed by the flash algorithm */ u8 trigger; /* Trigger for starting flash operation */ } __packed; /* We need functions which we can call to get mainboard specific data */ /* These functions can be implemented somewhere else but must exist. */ extern enum cb_err mb_get_edid(uint8_t edid_data[0x80]); extern uint8_t mb_select_edid_table(void); extern int mb_adjust_cfg(struct ptn_3460_config *cfg_ptr); #endif /* _I2C_PTN3460_H_ */