/* SPDX-License-Identifier: GPL-2.0-only */ #include #include #include #include #include #include #include "display.h" #include "gpio.h" static void bridge_anx7625_power_on(void) { /* Turn on bridge */ gpio_output(GPIO_EDPBRDG_RST_L, 0); gpio_output(GPIO_EN_PP1000_EDPBRDG, 1); gpio_output(GPIO_EN_PP1800_EDPBRDG, 1); gpio_output(GPIO_EN_PP3300_EDPBRDG, 1); mdelay(14); gpio_output(GPIO_EDPBRDG_PWREN, 1); mdelay(80); gpio_output(GPIO_EDPBRDG_RST_L, 1); } static int bridge_anx7625_get_edid(u8 i2c_bus, struct edid *edid) { if (anx7625_init(i2c_bus) < 0) { printk(BIOS_ERR, "%s: Can't init ANX7625 bridge\n", __func__); return -1; } if (anx7625_dp_get_edid(i2c_bus, edid) < 0) { printk(BIOS_ERR, "%s: Can't get panel's edid\n", __func__); return -1; } return 0; } static int bridge_anx7625_post_power_on(u8 i2c_bus, struct edid *edid) { return anx7625_dp_start(i2c_bus, edid); } static struct panel_serializable_data anx7625_data; static struct panel_description anx7625_bridge = { .s = &anx7625_data, .post_power_on = bridge_anx7625_post_power_on, .orientation = LB_FB_ORIENTATION_NORMAL, }; struct panel_description *get_anx7625_description(void) { mtk_i2c_bus_init(BRIDGE_I2C, I2C_SPEED_FAST); bridge_anx7625_power_on(); if (bridge_anx7625_get_edid(BRIDGE_I2C, &anx7625_bridge.s->edid) < 0) { printk(BIOS_ERR, "Can't get panel's edid\n"); return NULL; } return &anx7625_bridge; }