src/mainboard/samsung/lumpy/mainboard.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #include <types.h>
   4 #include <device/device.h>
   5 #include <drivers/intel/gma/int15.h>
   6 #include <acpi/acpi.h>
   7 #include <ec/smsc/mec1308/ec.h>
   8 #include "ec.h"
   9 #include "onboard.h"
  10 #include <southbridge/intel/bd82x6x/pch.h>
  11 #include <smbios.h>
  12
  13 void mainboard_suspend_resume(void)
  14 {
  15         /* Enable EC ACPI mode for the OS before resume */
  16         send_ec_command(EC_SMI_DISABLE);
  17         send_ec_command(EC_ACPI_ENABLE);
  18 }
  19
  20 static void mainboard_init(struct device *dev)
  21 {
  22         /* Initialize the Embedded Controller */
  23         lumpy_ec_init();
  24 }
  25
  26 static int lumpy_smbios_type41_irq(int *handle, unsigned long *current,
  27                                    const char *name, u8 irq, u8 addr)
  28 {
  29         struct smbios_type41 *t = smbios_carve_table(*current,
  30                                                 SMBIOS_ONBOARD_DEVICES_EXTENDED_INFORMATION,
  31                                                 sizeof(*t), *handle);
  32
  33         t->reference_designation = smbios_add_string(t->eos, name);
  34         t->device_type = SMBIOS_DEVICE_TYPE_OTHER;
  35         t->device_status = 1;
  36         t->device_type_instance = irq;
  37         t->segment_group_number = 0;
  38         t->bus_number = addr;
  39         t->function_number = 0;
  40         t->device_number = 0;
  41
  42         const int len = smbios_full_table_len(&t->header, t->eos);
  43         *current += len;
  44         *handle += 1;
  45         return len;
  46 }
  47
  48
  49 static int lumpy_onboard_smbios_data(struct device *dev, int *handle,
  50                                      unsigned long *current)
  51 {
  52         int len = 0;
  53
  54         len += lumpy_smbios_type41_irq(handle, current,
  55                                        BOARD_LIGHTSENSOR_NAME,
  56                                        BOARD_LIGHTSENSOR_IRQ,
  57                                        BOARD_LIGHTSENSOR_I2C_ADDR);
  58
  59         len += lumpy_smbios_type41_irq(handle, current,
  60                                        BOARD_TRACKPAD_NAME,
  61                                        BOARD_TRACKPAD_IRQ,
  62                                        BOARD_TRACKPAD_I2C_ADDR);
  63
  64         return len;
  65 }
  66
  67 // mainboard_enable is executed as first thing after
  68 // enumerate_buses().
  69
  70 static void mainboard_enable(struct device *dev)
  71 {
  72         dev->ops->init = mainboard_init;
  73         dev->ops->get_smbios_data = lumpy_onboard_smbios_data;
  74         install_intel_vga_int15_handler(GMA_INT15_ACTIVE_LFP_INT_LVDS, GMA_INT15_PANEL_FIT_DEFAULT, GMA_INT15_BOOT_DISPLAY_DEFAULT, 0);
  75 }
  76
  77 struct chip_operations mainboard_ops = {
  78         .enable_dev = mainboard_enable,
  79 };