| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright 2015 MediaTek Inc. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; version 2 of the License. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| */ |
| |
| #include <edid.h> |
| #include <types.h> |
| |
| #ifndef _PS8640_H_ |
| #define _PS8640_H_ |
| |
| enum { |
| PAGE2_GPIO_L = 0xa6, |
| PAGE2_GPIO_H = 0xa7, |
| PAGE2_I2C_BYPASS = 0xea, |
| PS_GPIO9 = BIT(1), |
| I2C_BYPASS_EN = BIT(7), |
| |
| PAGE2_MCS_EN = 0xf3, |
| MCS_EN_SHIFT = 0, |
| MCS_EN_MASK = 0x1, |
| PAGE3_SET_ADD = 0xfe, |
| PAGE3_SET_VAL = 0xff, |
| VDO_CTL_ADD = 0x13, |
| VDO_DIS = 0x18, |
| VDO_EN = 0x1c, |
| }; |
| |
| enum { |
| EDID_LENGTH = 128, |
| EDID_I2C_ADDR = 0x50, |
| EDID_EXTENSION_FLAG = 0x7e, |
| }; |
| |
| int ps8640_init(uint8_t bus, uint8_t chip); |
| int ps8640_get_edid(uint8_t bus, uint8_t chip, struct edid *out); |
| #endif |