| /* 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/dsi.h> |
| #include <soc/i2c.h> |
| |
| #include "panel.h" |
| |
| #define ANX7625_I2C_BUS 4 |
| |
| static struct panel_serializable_data anx7625_data = { |
| .init = { PANEL_END }, |
| }; |
| |
| static void dummy_power_on(void) |
| { |
| /* |
| * The panel has been already powered on when getting panel information |
| * so we should do nothing here. |
| */ |
| } |
| |
| static void start_anx7625(void) |
| { |
| if (anx7625_dp_start(ANX7625_I2C_BUS, &anx7625_data.edid) < 0) |
| printk(BIOS_ERR, "Can't start display via ANX7625.\n"); |
| } |
| |
| static struct panel_description anx7625_panel = { |
| .s = &anx7625_data, |
| .orientation = LB_FB_ORIENTATION_NORMAL, |
| .power_on = dummy_power_on, |
| .post_power_on = start_anx7625, |
| }; |
| |
| static void power_on_anx7625(void) |
| { |
| /* Disable backlight before turning on bridge */ |
| gpio_output(GPIO(PERIPHERAL_EN13), 0); |
| gpio_output(GPIO(DISP_PWM), 0); |
| |
| /* Turn on bridge */ |
| gpio_output(GPIO_MIPIBRDG_RST_L_1V8, 0); |
| gpio_output(GPIO_PP1200_MIPIBRDG_EN, 1); |
| gpio_output(GPIO_VDDIO_MIPIBRDG_EN, 1); |
| gpio_output(GPIO_PP1800_LCM_EN, 1); |
| mdelay(2); |
| gpio_output(GPIO_MIPIBRDG_PWRDN_L_1V8, 1); |
| mdelay(10); |
| gpio_output(GPIO_MIPIBRDG_RST_L_1V8, 1); |
| gpio_output(GPIO_PP3300_LCM_EN, 1); |
| } |
| |
| struct panel_description *get_panel_description(int panel_id) |
| { |
| /* To read panel EDID, we have to first power on anx7625. */ |
| power_on_anx7625(); |
| |
| mtk_i2c_bus_init(ANX7625_I2C_BUS); |
| |
| if (anx7625_init(ANX7625_I2C_BUS)) { |
| printk(BIOS_ERR, "Can't init ANX7625 bridge.\n"); |
| return NULL; |
| } |
| |
| if (anx7625_dp_get_edid(ANX7625_I2C_BUS, &anx7625_data.edid)) { |
| printk(BIOS_ERR, "Can't get panel's edid.\n"); |
| return NULL; |
| } |
| return &anx7625_panel; |
| } |
| |
| void mtk_dsi_override_phy_timing(struct mtk_phy_timing *timing) |
| { |
| timing->da_hs_trail += 9; |
| } |