| /* 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_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 */ |
| enum cb_err mainboard_ptn3460_get_edid(uint8_t edid_data[PTN_EDID_LEN]); |
| uint8_t mainboard_ptn3460_select_edid_table(void); |
| enum cb_err mainboard_ptn3460_config(struct ptn_3460_config *cfg_ptr); |
| |
| #endif /* _I2C_PTN3460_H_ */ |