Angel Pons | 8a3453f | 2020-04-02 23:48:19 +0200 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
Uwe Poeche | 11a34ec | 2019-10-28 11:28:50 +0100 | [diff] [blame] | 2 | |
| 3 | #ifndef _I2C_PTN3460_H_ |
| 4 | #define _I2C_PTN3460_H_ |
| 5 | |
Elyes HAOUAS | 4f66cb9 | 2019-12-01 13:21:52 +0100 | [diff] [blame] | 6 | #include <types.h> |
Uwe Poeche | 11a34ec | 2019-10-28 11:28:50 +0100 | [diff] [blame] | 7 | |
| 8 | #define PTN_EDID_OFF 0x00 |
| 9 | #define PTN_EDID_LEN 0x80 |
| 10 | #define PTN_CONFIG_OFF 0x80 |
| 11 | #define PTN_CONFIG_LEN 0x19 |
| 12 | #define PTN_FLASH_CFG_OFF 0xE8 |
| 13 | #define PTN_FLASH_CFG_LEN 0x04 |
| 14 | #define PTN_MAX_EDID_NUM 6 |
| 15 | #define PTN_ENABLE_EMULATION (1 << 0) |
| 16 | |
| 17 | /* Define some error codes that can be used */ |
| 18 | #define PTN_SUCCESS 0x00000000 |
Uwe Poeche | 11a34ec | 2019-10-28 11:28:50 +0100 | [diff] [blame] | 19 | #define PTN_BUS_ERROR 0x10000000 |
| 20 | #define PTN_INVALID_EDID 0x20000000 |
| 21 | #define PTN_INVALID_EDID_BLOCK 0x30000000 |
| 22 | #define PTN_ERROR 0x40000000 |
| 23 | |
| 24 | struct ptn_3460_config { |
| 25 | u8 dp_interface_ctrl; /* DisplayPort interface control */ |
| 26 | u8 lvds_interface_ctrl1; /* LVDS interface control register 1 */ |
| 27 | u8 lvds_interface_ctrl2; /* LVDS interface control register 2 */ |
| 28 | u8 lvds_interface_ctrl3; /* LVDS interface control register 3 */ |
| 29 | u8 edid_rom_emulation; /* select which EDID-block is emulated */ |
| 30 | u8 edid_rom_access_ctrl; /* select which EDID block to map to 0..0x7F */ |
| 31 | u8 pwm_min[3]; /* smallest PWM frequency for back light */ |
| 32 | u8 pwm_max[3]; /* biggest PWM frequency for back light */ |
| 33 | u8 fast_link_ctrl; /* Fast link training control register */ |
| 34 | u8 pin_cfg_ctrl1; /* Pin configuration control register 1 */ |
| 35 | u8 pin_cfg_ctrl2; /* Pin configuration control register 2 */ |
| 36 | u8 pwm_default; /* Default PWM bit count in DPCD register */ |
| 37 | u16 pwm_value; /* Current PWM bit count in DPCD register */ |
| 38 | u8 pwm_default_freq; /* Default PWM frequency in DPCD register */ |
| 39 | u8 t3_timing; /* Panel T3 timing value */ |
| 40 | u8 t12_timing; /* Panel T12 timing value */ |
| 41 | u8 backlight_ctrl; /* Back light control register */ |
| 42 | u8 t2_delay; /* Panel T2 delay */ |
| 43 | u8 t4_timing; /* Panel T4 timing value */ |
| 44 | u8 t5_delay; /* Panel T5 delay */ |
| 45 | } __packed; |
| 46 | |
| 47 | struct ptn_3460_flash { |
| 48 | u8 cmd; /* Flash command (erase or erase and flash) */ |
| 49 | u16 magic; /* Magic number needed by the flash algorithm */ |
| 50 | u8 trigger; /* Trigger for starting flash operation */ |
| 51 | } __packed; |
| 52 | |
| 53 | /* We need functions which we can call to get mainboard specific data */ |
Elyes Haouas | 3813ca5 | 2023-01-14 07:30:21 +0100 | [diff] [blame] | 54 | enum cb_err mainboard_ptn3460_get_edid(uint8_t edid_data[PTN_EDID_LEN]); |
| 55 | uint8_t mainboard_ptn3460_select_edid_table(void); |
| 56 | enum cb_err mainboard_ptn3460_config(struct ptn_3460_config *cfg_ptr); |
Uwe Poeche | 11a34ec | 2019-10-28 11:28:50 +0100 | [diff] [blame] | 57 | |
| 58 | #endif /* _I2C_PTN3460_H_ */ |