src/mainboard/google/geralt/display.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #include <assert.h>
   4 #include <console/console.h>
   5 #include <delay.h>
   6 #include <edid.h>
   7 #include <framebuffer_info.h>
   8 #include <gpio.h>
   9 #include <soc/ddp.h>
  10 #include <soc/dptx.h>
  11 #include <soc/dsi.h>
  12 #include <soc/gpio_common.h>
  13 #include <soc/mtcmos.h>
  14
  15 #include "display.h"
  16 #include "panel.h"
  17
  18 int configure_display(void)
  19 {
  20         struct edid edid;
  21         struct fb_info *info;
  22         const char *name;
  23         struct panel_description *panel = get_active_panel();
  24         if (!panel)
  25                 return -1;
  26
  27         printk(BIOS_INFO, "%s: Starting display initialization\n", __func__);
  28
  29         mtcmos_display_power_on();
  30
  31         panel->configure_panel_backlight();
  32         panel->power_on();
  33
  34         mtk_ddp_init();
  35         mdelay(200);
  36
  37         if (panel->disp_path == DISP_PATH_EDP) {
  38                 if (mtk_edp_init(&edid) < 0) {
  39                         printk(BIOS_ERR, "%s: Failed to initialize eDP\n", __func__);
  40                         return -1;
  41                 }
  42
  43         } else {
  44                 u32 mipi_dsi_flags = (MIPI_DSI_MODE_VIDEO |
  45                                       MIPI_DSI_MODE_VIDEO_SYNC_PULSE |
  46                                       MIPI_DSI_MODE_LPM |
  47                                       MIPI_DSI_MODE_EOT_PACKET);
  48
  49                 edid = panel->s->edid;
  50
  51                 if (mtk_dsi_init(mipi_dsi_flags, MIPI_DSI_FMT_RGB888, 4, &edid,
  52                                  panel->s->init) < 0) {
  53                         printk(BIOS_ERR, "%s: Failed in DSI init\n", __func__);
  54                         return -1;
  55                 }
  56         }
  57
  58         name = edid.ascii_string;
  59         if (name[0] == '\0')
  60                 name = "unknown name";
  61         printk(BIOS_INFO, "%s: '%s %s' %dx%d@%dHz\n", __func__,
  62                edid.manufacturer_name, name, edid.mode.ha, edid.mode.va,
  63                edid.mode.refresh);
  64
  65         edid_set_framebuffer_bits_per_pixel(&edid, 32, 0);
  66
  67         mtk_ddp_mode_set(&edid, panel->disp_path);
  68         info = fb_new_framebuffer_info_from_edid(&edid, (uintptr_t)0);
  69         if (info)
  70                 fb_set_orientation(info, LB_FB_ORIENTATION_NORMAL);
  71
  72         return 0;
  73 }