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/*
* This file is part of the coreboot project.
*
* 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
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