| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| #include <console/console.h> |
| #include <delay.h> |
| #include <drivers/analogix/anx7625/anx7625.h> |
| #include <edid.h> |
| #include <gpio.h> |
| #include <soc/i2c.h> |
| |
| #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; |
| } |