mainboard.c

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/* SPDX-License-Identifier: GPL-2.0-only */
 
#include <acpi/acpi.h>
#include <console/console.h>
#include <device/device.h>
#include <ec/ec.h>
#include <soc/nhlt.h>
 
#include "gpio.h"
 
#define SUBSYSTEM_ID 0x1AE0006B
 
static const char *oem_id_maxim = "GOOGLE";
static const char *oem_table_id_maxim = "EVEMAX";
 
static void mainboard_init(struct device *dev)
{
        mainboard_ec_init();
}
 
static unsigned long mainboard_write_acpi_tables(
        const struct device *device, unsigned long current, acpi_rsdp_t *rsdp)
{
        uintptr_t start_addr;
        uintptr_t end_addr;
        struct nhlt *nhlt;
 
        start_addr = current;
 
        nhlt = nhlt_init();
        if (!nhlt)
                return start_addr;
 
        nhlt->subsystem_id = SUBSYSTEM_ID;
 
        /* 4 Channel DMIC array */
        if (nhlt_soc_add_rt5514(nhlt, AUDIO_LINK_SSP0, 4))
                printk(BIOS_ERR, "Couldn't add rt5514.\n");
 
        /* RT5663 Headset codec */
        if (nhlt_soc_add_rt5663(nhlt, AUDIO_LINK_SSP1))
                printk(BIOS_ERR, "Couldn't add headset codec.\n");
 
        /* MAXIM98927 Smart Amps for left and right channel */
        if (nhlt_soc_add_max98927(nhlt, AUDIO_LINK_SSP0))
                printk(BIOS_ERR, "Couldn't add max98927\n");
 
        end_addr = nhlt_soc_serialize_oem_overrides(nhlt, start_addr,
                                    oem_id_maxim, oem_table_id_maxim, 0);
 
        if (end_addr != start_addr)
                acpi_add_table(rsdp, (void *)start_addr);
 
        return end_addr;
}
 
static void mainboard_enable(struct device *dev)
{
        dev->ops->init = mainboard_init;
        dev->ops->write_acpi_tables = mainboard_write_acpi_tables;
}
 
static void mainboard_chip_init(void *chip_info)
{
        gpio_configure_pads(gpio_table, ARRAY_SIZE(gpio_table));
}
 
struct chip_operations mainboard_ops = {
        .init = mainboard_chip_init,
        .enable_dev = mainboard_enable,
};