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/*
* This file is part of the coreboot project.
*
* Copyright 2015 Google, Inc.
*
* 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.
*/
#ifndef _SOC_NHLT_H_
#define _SOC_NHLT_H_
#include <nhlt.h>
/*
* Skylake NHLT device and hardware link types. These values are to be used
* with nhlt_soc_add_endpoint().
*/
enum {
AUDIO_LINK_SSP0,
AUDIO_LINK_SSP1,
AUDIO_LINK_SSP2, /* Only Bluetooth supported on SSP2. */
AUDIO_LINK_DMIC,
};
enum {
AUDIO_DEV_I2S,
AUDIO_DEV_DMIC,
AUDIO_DEV_BT,
};
/*
* Add a dmic array composed of the provided number of channels. The skylake
* SoC currently only supports dmic arrays on the dmic signals. Either 2
* or 4 channel arrays are supported. Returns 0 on success, < 0 on error.
*/
int nhlt_soc_add_dmic_array(struct nhlt *nhlt, int num_channels);
/*
* Add nau88l25 headset codec on provided SSP link. Return 0 on succes, < 0
* on error.
*/
int nhlt_soc_add_nau88l25(struct nhlt *nhlt, int hwlink);
/*
* Add ssm4567 smart amplifiers in stereo configuration on provided SSP link.
* Return 0 on success, < 0 on error.
*/
int nhlt_soc_add_ssm4567(struct nhlt *nhlt, int hwlink);
/*
* Add max98357a amplifier in stereo configuration on provide SSP link.
* Return 0 on success, < 0 on error.
*/
int nhlt_soc_add_max98357(struct nhlt *nhlt, int hwlink);
#endif
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