src/mainboard/intel/kunimitsu/mainboard.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #include <acpi/acpi.h>
   4 #include <console/console.h>
   5 #include <device/device.h>
   6 #include <gpio.h>
   7 #include <soc/nhlt.h>
   8 #include "ec.h"
   9 #include "gpio.h"
  10
  11 static const char *oem_id_maxim = "INTEL";
  12 static const char *oem_table_id_maxim = "SCRDMAX";
  13
  14 static void mainboard_init(struct device *dev)
  15 {
  16         mainboard_ec_init();
  17 }
  18
  19 static uint8_t select_audio_codec(void)
  20 {
  21         int audio_db_sel = gpio_get(AUDIO_DB_ID);
  22
  23         return audio_db_sel;
  24 }
  25
  26 static unsigned long mainboard_write_acpi_tables(
  27         const struct device *device, unsigned long current, acpi_rsdp_t *rsdp)
  28 {
  29                 uintptr_t start_addr;
  30                 uintptr_t end_addr;
  31                 struct nhlt *nhlt;
  32                 const char *oem_id = NULL;
  33                 const char *oem_table_id = NULL;
  34
  35                 start_addr = current;
  36
  37                 nhlt = nhlt_init();
  38
  39                 if (nhlt == NULL)
  40                         return start_addr;
  41
  42                 /* 2 Channel DMIC array. */
  43                 if (nhlt_soc_add_dmic_array(nhlt, 2))
  44                         printk(BIOS_ERR, "Couldn't add 2CH DMIC array.\n");
  45
  46                 /* 4 Channel DMIC array. */
  47                 if (nhlt_soc_add_dmic_array(nhlt, 4))
  48                         printk(BIOS_ERR, "Couldn't add 4CH DMIC arrays.\n");
  49
  50                 if (select_audio_codec()) {
  51                         /* ADI Smart Amps for left and right. */
  52                         if (nhlt_soc_add_ssm4567(nhlt, AUDIO_LINK_SSP0))
  53                                 printk(BIOS_ERR, "Couldn't add ssm4567.\n");
  54                 } else {
  55                         /* MAXIM Smart Amps for left and right. */
  56                         if (nhlt_soc_add_max98357(nhlt, AUDIO_LINK_SSP0))
  57                                 printk(BIOS_ERR, "Couldn't add max98357.\n");
  58
  59                         oem_id = oem_id_maxim;
  60                         oem_table_id = oem_table_id_maxim;
  61                 }
  62
  63                 /* NAU88l25 Headset codec. */
  64                 if (nhlt_soc_add_nau88l25(nhlt, AUDIO_LINK_SSP1))
  65                         printk(BIOS_ERR, "Couldn't add headset codec.\n");
  66
  67                 end_addr = nhlt_soc_serialize_oem_overrides(nhlt, start_addr,
  68                                                  oem_id, oem_table_id, 0);
  69
  70                 if (end_addr != start_addr)
  71                         acpi_add_table(rsdp, (void *)start_addr);
  72
  73                 return end_addr;
  74 }
  75
  76 /*
  77  * mainboard_enable is executed as first thing after
  78  * enumerate_buses().
  79  */
  80 static void mainboard_enable(struct device *dev)
  81 {
  82         dev->ops->init = mainboard_init;
  83         dev->ops->write_acpi_tables = mainboard_write_acpi_tables;
  84 }
  85
  86 struct chip_operations mainboard_ops = {
  87         .enable_dev = mainboard_enable,
  88 };