/* * This file is part of the coreboot project. * * Copyright (C) 2007-2009 coresystems GmbH * Copyright (C) 2013 Google Inc. * Copyright (C) 2015 Intel Corporation. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; version 2 of the License. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. */ #include <arch/acpi.h> #include <console/console.h> #include <device/device.h> #include <gpio.h> #include <stdlib.h> #include <string.h> #include <soc/nhlt.h> #include <vendorcode/google/chromeos/chromeos.h> #include "ec.h" #include "gpio.h" static const char *oem_id_maxim = "INTEL"; static const char *oem_table_id_maxim = "SCRDMAX"; static void mainboard_init(device_t dev) { mainboard_ec_init(); } static uint8_t select_audio_codec(void) { int audio_db_sel = gpio_get(AUDIO_DB_ID); return audio_db_sel; } static unsigned long mainboard_write_acpi_tables( device_t device, unsigned long current, acpi_rsdp_t *rsdp) { uintptr_t start_addr; uintptr_t end_addr; struct nhlt *nhlt; const char *oem_id = NULL; const char *oem_table_id = NULL; start_addr = current; nhlt = nhlt_init(); if (nhlt == NULL) return start_addr; /* 2 Channel DMIC array. */ if (nhlt_soc_add_dmic_array(nhlt, 2)) printk(BIOS_ERR, "Couldn't add 2CH DMIC array.\n"); /* 4 Channel DMIC array. */ if (nhlt_soc_add_dmic_array(nhlt, 4)) printk(BIOS_ERR, "Couldn't add 4CH DMIC arrays.\n"); if (select_audio_codec()) { /* ADI Smart Amps for left and right. */ if (nhlt_soc_add_ssm4567(nhlt, AUDIO_LINK_SSP0)) printk(BIOS_ERR, "Couldn't add ssm4567.\n"); } else { /* MAXIM Smart Amps for left and right. */ if (nhlt_soc_add_max98357(nhlt, AUDIO_LINK_SSP0)) printk(BIOS_ERR, "Couldn't add max98357.\n"); oem_id = oem_id_maxim; oem_table_id = oem_table_id_maxim; } /* NAU88l25 Headset codec. */ if (nhlt_soc_add_nau88l25(nhlt, AUDIO_LINK_SSP1)) printk(BIOS_ERR, "Couldn't add headset codec.\n"); end_addr = nhlt_soc_serialize_oem_overrides(nhlt, start_addr, oem_id, oem_table_id, 0); if (end_addr != start_addr) acpi_add_table(rsdp, (void *)start_addr); return end_addr; } /* * mainboard_enable is executed as first thing after * enumerate_buses(). */ static void mainboard_enable(device_t dev) { dev->ops->init = mainboard_init; dev->ops->write_acpi_tables = mainboard_write_acpi_tables; dev->ops->acpi_inject_dsdt_generator = chromeos_dsdt_generator; } struct chip_operations mainboard_ops = { .enable_dev = mainboard_enable, };