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/* SPDX-License-Identifier: GPL-2.0-only */
#include <console/console.h>
#include <delay.h>
#include <edid.h>
#include <framebuffer_info.h>
#include <gpio.h>
#include <soc/ddp.h>
#include <soc/dptx.h>
#include <soc/gpio_common.h>
#include <soc/mtcmos.h>
#include "display.h"
#include "gpio.h"
/* Set up backlight control pins as output pin and power-off by default */
static void configure_edp_panel_backlight(void)
{
gpio_output(GPIO_AP_DISP_BKLTEN, 0);
gpio_output(GPIO_EDP_BL_PWM_1V8, 0);
}
static void power_on_edp_panel(void)
{
gpio_output(GPIO_EN_PP3300_EDP_DISP_X, 1);
gpio_set_pull(GPIO_EDP_HPD_1V8, GPIO_PULL_ENABLE, GPIO_PULL_UP);
gpio_set_mode(GPIO_EDP_HPD_1V8, 4);
}
int configure_display(void)
{
struct edid edid;
struct fb_info *info;
const char *name;
printk(BIOS_INFO, "%s: Starting display initialization\n", __func__);
mtcmos_display_power_on();
configure_edp_panel_backlight();
power_on_edp_panel();
mtk_ddp_init();
mdelay(200);
if (mtk_edp_init(&edid) < 0) {
printk(BIOS_ERR, "%s: Failed to initialize eDP\n", __func__);
return -1;
}
name = edid.ascii_string;
if (name[0] == '\0')
name = "unknown name";
printk(BIOS_INFO, "%s: '%s %s' %dx%d@%dHz\n", __func__,
edid.manufacturer_name, name, edid.mode.ha, edid.mode.va,
edid.mode.refresh);
edid_set_framebuffer_bits_per_pixel(&edid, 32, 0);
mtk_ddp_mode_set(&edid, DISP_PATH_EDP);
info = fb_new_framebuffer_info_from_edid(&edid, (uintptr_t)0);
if (info)
fb_set_orientation(info, LB_FB_ORIENTATION_NORMAL);
return 0;
}
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