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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.
*/
#include <soc/nhlt.h>
/* The same DSP firmwware settings are used for both the capture and
* render endpoints. */
static const struct nhlt_format_config nau88l25_cfg[] = {
/* 48 KHz 24-bits per sample. */
{
.num_channels = 2,
.sample_freq_khz = 48,
.container_bits_per_sample = 32,
.valid_bits_per_sample = 24,
.speaker_mask = SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT,
.settings_file = "nau88l25-2ch-48khz-24b.bin",
},
};
int nhlt_soc_add_nau88l25(struct nhlt *nhlt, int hwlink)
{
struct nhlt_endpoint *endp;
/* The nau88l25 just has headphones and a mic. Both the capture and
* render endpoints occupy the same virtual slot. */
struct nhlt_tdm_config tdm_config = {
.virtual_slot = 0,
.config_type = NHLT_TDM_BASIC,
};
const void *fmt_cfg = nau88l25_cfg;
size_t fmt_sz = ARRAY_SIZE(nau88l25_cfg);
/* Render Endpoint */
endp = nhlt_soc_add_endpoint(nhlt, hwlink, AUDIO_DEV_I2S,
NHLT_DIR_RENDER);
if (endp == NULL)
return -1;
if (nhlt_endpoint_append_config(endp, &tdm_config, sizeof(tdm_config)))
return -1;
if (nhlt_endpoint_add_formats(endp, fmt_cfg, fmt_sz))
return -1;
/* Capture Endpoint */
endp = nhlt_soc_add_endpoint(nhlt, hwlink, AUDIO_DEV_I2S,
NHLT_DIR_CAPTURE);
if (endp == NULL)
return -1;
if (nhlt_endpoint_append_config(endp, &tdm_config, sizeof(tdm_config)))
return -1;
if (nhlt_endpoint_add_formats(endp, fmt_cfg, fmt_sz))
return -1;
nhlt_next_instance(nhlt, NHLT_LINK_SSP);
return 0;
}
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