src/mainboard/google/eve/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 <ec/ec.h>
   7 #include <soc/nhlt.h>
   8
   9 #include "gpio.h"
  10
  11 #define SUBSYSTEM_ID 0x1AE0006B
  12
  13 static const char *oem_id_maxim = "GOOGLE";
  14 static const char *oem_table_id_maxim = "EVEMAX";
  15
  16 static void mainboard_init(struct device *dev)
  17 {
  18         mainboard_ec_init();
  19 }
  20
  21 static unsigned long mainboard_write_acpi_tables(
  22         const struct device *device, unsigned long current, acpi_rsdp_t *rsdp)
  23 {
  24         uintptr_t start_addr;
  25         uintptr_t end_addr;
  26         struct nhlt *nhlt;
  27
  28         start_addr = current;
  29
  30         nhlt = nhlt_init();
  31         if (!nhlt)
  32                 return start_addr;
  33
  34         nhlt->subsystem_id = SUBSYSTEM_ID;
  35
  36         /* 4 Channel DMIC array */
  37         if (nhlt_soc_add_rt5514(nhlt, AUDIO_LINK_SSP0, 4, 1))
  38                 printk(BIOS_ERR, "Couldn't add rt5514.\n");
  39
  40         /* RT5663 Headset codec */
  41         if (nhlt_soc_add_rt5663(nhlt, AUDIO_LINK_SSP1))
  42                 printk(BIOS_ERR, "Couldn't add headset codec.\n");
  43
  44         /* MAXIM98927 Smart Amps for left and right channel */
  45         /* Render time_slot is 0 and feedback time_slot is 2 */
  46         if (nhlt_soc_add_max98927(nhlt, AUDIO_LINK_SSP0, 0, 2))
  47                 printk(BIOS_ERR, "Couldn't add max98927\n");
  48
  49         end_addr = nhlt_soc_serialize_oem_overrides(nhlt, start_addr,
  50                                     oem_id_maxim, oem_table_id_maxim, 0);
  51
  52         if (end_addr != start_addr)
  53                 acpi_add_table(rsdp, (void *)start_addr);
  54
  55         return end_addr;
  56 }
  57
  58 static void mainboard_enable(struct device *dev)
  59 {
  60         dev->ops->init = mainboard_init;
  61         dev->ops->write_acpi_tables = mainboard_write_acpi_tables;
  62 }
  63
  64 static void mainboard_chip_init(void *chip_info)
  65 {
  66         gpio_configure_pads(gpio_table, ARRAY_SIZE(gpio_table));
  67 }
  68
  69 struct chip_operations mainboard_ops = {
  70         .init = mainboard_chip_init,
  71         .enable_dev = mainboard_enable,
  72 };