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/*
* Copyright (C) 2013-15, Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version
* 2 as published by the Free Software Foundation.
*
* 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 <linux/stddef.h>
#include <linux/acpi.h>
struct sst_acpi_package_context {
char *name; /* package name */
int length; /* number of elements */
struct acpi_buffer *format;
struct acpi_buffer *state;
bool data_valid;
};
#if IS_ENABLED(CONFIG_ACPI)
/* translation fron HID to I2C name, needed for DAI codec_name */
const char *sst_acpi_find_name_from_hid(const u8 hid[ACPI_ID_LEN]);
bool sst_acpi_find_package_from_hid(const u8 hid[ACPI_ID_LEN],
struct sst_acpi_package_context *ctx);
#else
static inline const char *sst_acpi_find_name_from_hid(const u8 hid[ACPI_ID_LEN])
{
return NULL;
}
static inline bool sst_acpi_find_package_from_hid(const u8 hid[ACPI_ID_LEN],
struct sst_acpi_package_context *ctx)
{
return false;
}
#endif
/* acpi match */
struct sst_acpi_mach *sst_acpi_find_machine(struct sst_acpi_mach *machines);
/* Descriptor for SST ASoC machine driver */
struct sst_acpi_mach {
/* ACPI ID for the matching machine driver. Audio codec for instance */
const u8 id[ACPI_ID_LEN];
/* machine driver name */
const char *drv_name;
/* firmware file name */
const char *fw_filename;
/* board name */
const char *board;
struct sst_acpi_mach * (*machine_quirk)(void *arg);
void *pdata;
};
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