src/mainboard/google/glados/mainboard.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #include <acpi/acpi.h>
   4 #include <baseboard/variant.h>
   5 #include <console/console.h>
   6 #include <device/device.h>
   7 #include <gpio.h>
   8 #include <soc/nhlt.h>
   9 #include <variant/gpio.h>
  10 #include "ec.h"
  11
  12 static const char *oem_id_maxim = "INTEL";
  13 static const char *oem_table_id_maxim = "SCRDMAX";
  14
  15 static void mainboard_init(struct device *dev)
  16 {
  17         mainboard_ec_init();
  18 }
  19
  20 static uint8_t adi_codec_enable(void)
  21 {
  22 #ifdef AUDIO_DB_ID
  23         return gpio_get(AUDIO_DB_ID);
  24 #else
  25         return 1;
  26 #endif
  27 }
  28
  29 static uint8_t max_codec_enable(void)
  30 {
  31 #ifdef AUDIO_DB_ID
  32         return gpio_get(AUDIO_DB_ID) ? 0 : 1;
  33 #else
  34         return 1;
  35 #endif
  36 }
  37
  38 static unsigned long mainboard_write_acpi_tables(
  39         const struct device *device, unsigned long current, acpi_rsdp_t *rsdp)
  40 {
  41         uintptr_t start_addr;
  42         uintptr_t end_addr;
  43         struct nhlt *nhlt;
  44         const char *oem_id = NULL;
  45         const char *oem_table_id = NULL;
  46
  47         start_addr = current;
  48
  49         nhlt = nhlt_init();
  50
  51         if (nhlt == NULL)
  52                 return start_addr;
  53
  54         /* 2 Channel DMIC array. */
  55         if (nhlt_soc_add_dmic_array(nhlt, 2))
  56                 printk(BIOS_ERR, "Couldn't add 2CH DMIC array.\n");
  57
  58         /* 4 Channel DMIC array. */
  59         if (CONFIG(NHLT_DMIC_4CH))
  60                 if (nhlt_soc_add_dmic_array(nhlt, 4))
  61                         printk(BIOS_ERR, "Couldn't add 4CH DMIC arrays.\n");
  62
  63         /* ADI Smart Amps for left and right. */
  64         if (CONFIG(NHLT_SSM4567) && adi_codec_enable())
  65                 if (nhlt_soc_add_ssm4567(nhlt, AUDIO_LINK_SSP0))
  66                         printk(BIOS_ERR, "Couldn't add ssm4567.\n");
  67
  68         /* MAXIM Smart Amps for left and right. */
  69         if (CONFIG(NHLT_MAX98357) && max_codec_enable()) {
  70                 if (nhlt_soc_add_max98357(nhlt, AUDIO_LINK_SSP0))
  71                         printk(BIOS_ERR, "Couldn't add max98357.\n");
  72
  73                 oem_id = oem_id_maxim;
  74                 oem_table_id = oem_table_id_maxim;
  75         }
  76
  77         /* NAU88l25 Headset codec. */
  78         if (nhlt_soc_add_nau88l25(nhlt, AUDIO_LINK_SSP1))
  79                 printk(BIOS_ERR, "Couldn't add headset codec.\n");
  80
  81         end_addr = nhlt_soc_serialize_oem_overrides(nhlt, start_addr,
  82                                          oem_id, oem_table_id, 0);
  83
  84         if (end_addr != start_addr)
  85                 acpi_add_table(rsdp, (void *)start_addr);
  86
  87         return end_addr;
  88 }
  89
  90 /*
  91  * mainboard_enable is executed as first thing after
  92  * enumerate_buses().
  93  */
  94 static void mainboard_enable(struct device *dev)
  95 {
  96         dev->ops->init = mainboard_init;
  97         dev->ops->write_acpi_tables = mainboard_write_acpi_tables;
  98 }
  99
 100 static void mainboard_chip_init(void *chip_info)
 101 {
 102         /* Configure pads prior to SiliconInit() in case there's any
 103          * dependencies during hardware initialization. */
 104         gpio_configure_pads(gpio_table, ARRAY_SIZE(gpio_table));
 105 }
 106
 107 struct chip_operations mainboard_ops = {
 108         .init = mainboard_chip_init,
 109         .enable_dev = mainboard_enable,
 110 };