1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 3 #include <edid.h> 4 #include <types.h> 5 6 #ifndef _PS8640_H_ 7 #define _PS8640_H_ 8 9 enum { 10 PAGE2_GPIO_L = 0xa6, 11 PAGE2_GPIO_H = 0xa7, 12 PAGE2_I2C_BYPASS = 0xea, 13 PS_GPIO9 = BIT(1), 14 I2C_BYPASS_EN = BIT(7), 15 16 PAGE2_MCS_EN = 0xf3, 17 MCS_EN_SHIFT = 0, 18 MCS_EN_MASK = 0x1, 19 PAGE3_SET_ADD = 0xfe, 20 PAGE3_SET_VAL = 0xff, 21 VDO_CTL_ADD = 0x13, 22 VDO_DIS = 0x18, 23 VDO_EN = 0x1c, 24 }; 25 26 enum { 27 PAGE0_AUXCH_CFG3 = 0x76, 28 AUXCH_CFG3_RESET = 0xff, 29 PAGE0_SWAUX_ADDR_7_0 = 0x7d, 30 PAGE0_SWAUX_ADDR_15_8 = 0x7e, 31 PAGE0_SWAUX_ADDR_23_16 = 0x7f, 32 SWAUX_ADDR_MASK = 0xfffff, 33 PAGE0_SWAUX_LENGTH = 0x80, 34 SWAUX_LENGTH_MASK = 0xf, 35 SWAUX_NO_PAYLOAD = BIT(7), 36 PAGE0_SWAUX_WDATA = 0x81, 37 PAGE0_SWAUX_RDATA = 0x82, 38 PAGE0_SWAUX_CTRL = 0x83, 39 SWAUX_SEND = BIT(0), 40 PAGE0_SWAUX_STATUS = 0x84, 41 SWAUX_M_MASK = 0x1f, 42 SWAUX_STATUS_MASK = (0x7 << 5), 43 SWAUX_STATUS_NACK = (0x1 << 5), 44 SWAUX_STATUS_DEFER = (0x2 << 5), 45 SWAUX_STATUS_ACKM = (0x3 << 5), 46 SWAUX_STATUS_INVALID = (0x4 << 5), 47 SWAUX_STATUS_I2C_NACK = (0x5 << 5), 48 SWAUX_STATUS_I2C_DEFER = (0x6 << 5), 49 SWAUX_STATUS_TIMEOUT = (0x7 << 5), 50 }; 51 52 int ps8640_init(uint8_t bus, uint8_t chip); 53 int ps8640_get_edid(uint8_t bus, uint8_t chip, struct edid *out); 54 void ps8640_backlight_enable(uint8_t bus, uint8_t chip); 55 56 #endif 57