linux_dsm_epyc7002/sound/soc/intel/common/sst-acpi.h
Naveen M 54746dabf7 ASoC: Improve machine driver selection based on quirk data
Use quirk function to select the correct machine driver
by checking all codecs instead of only one based on quirk data.

Signed-off-by: Naveen M <naveen.m@intel.com>
Signed-off-by: Harsha Priya <harshapriya.n@intel.com>
Acked-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2017-05-24 18:27:47 +01:00

83 lines
2.3 KiB
C

/*
* 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);
/* acpi check hid */
bool sst_acpi_check_hid(const u8 hid[ACPI_ID_LEN]);
/* 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);
const void *quirk_data;
void *pdata;
};
#define SST_ACPI_MAX_CODECS 3
/**
* struct sst_codecs: Structure to hold secondary codec information apart from
* the matched one, this data will be passed to the quirk function to match
* with the ACPI detected devices
*
* @num_codecs: number of secondary codecs used in the platform
* @codecs: holds the codec IDs
*
*/
struct sst_codecs {
int num_codecs;
u8 codecs[SST_ACPI_MAX_CODECS][ACPI_ID_LEN];
};
/* check all codecs */
struct sst_acpi_mach *sst_acpi_codec_list(void *arg);