src/mainboard/getac/p470/mainboard.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #include <device/device.h>
   4 #include <device/pci_ops.h>
   5 #include <drivers/intel/gma/int15.h>
   6
   7
   8 #include "ec_oem.c"
   9
  10 #include "mainboard.h"
  11
  12 #define MAX_LCD_BRIGHTNESS      0xd8
  13
  14 static void ec_enable(void)
  15 {
  16         u16 keymap;
  17         /* Enable Hotkey SCI */
  18
  19         /* Fn key map; F1 = [0] ... F12 = [11] */
  20         keymap = 0x5f1;
  21         send_ec_oem_command(0x45);
  22         send_ec_oem_data(0x09); // SCI
  23         // send_ec_oem_data(0x08); // SMI#
  24         send_ec_oem_data(keymap >> 8);
  25         send_ec_oem_data(keymap & 0xff);
  26
  27         /* Enable Backlight */
  28         ec_write(0x17, MAX_LCD_BRIGHTNESS);
  29
  30         /* Notify EC system is in ACPI mode */
  31         send_ec_oem_command(0x5e);
  32         send_ec_oem_data(0xea);
  33         send_ec_oem_data(0x0c);
  34         send_ec_oem_data(0x01);
  35 }
  36
  37 static void mainboard_init(struct device *dev)
  38 {
  39         ec_enable();
  40         install_intel_vga_int15_handler(GMA_INT15_ACTIVE_LFP_INT_LVDS, GMA_INT15_PANEL_FIT_TXT_STRETCH, 0, 3);
  41 }
  42
  43 static void mainboard_enable(struct device *dev)
  44 {
  45         dev->ops->init = mainboard_init;
  46         dev->ops->write_acpi_tables = mainboard_write_acpi_tables;
  47 }
  48
  49 struct chip_operations mainboard_ops = {
  50         .enable_dev = mainboard_enable,
  51 };