max98357.c

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/* SPDX-License-Identifier: GPL-2.0-only */
 
#include <soc/nhlt.h>
 
static const struct nhlt_format_config max98357_render_formats[] = {
        /* 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 = "max98357-render-2ch-48khz-24b.bin",
        },
};
 
static const struct nhlt_endp_descriptor max98357_descriptors[] = {
        {
                .link = NHLT_LINK_SSP,
                .device = NHLT_SSP_DEV_I2S,
                .direction = NHLT_DIR_RENDER,
                .vid = NHLT_VID,
                .did = NHLT_DID_SSP,
                .formats = max98357_render_formats,
                .num_formats = ARRAY_SIZE(max98357_render_formats),
        },
};
 
int nhlt_soc_add_max98357(struct nhlt *nhlt, int hwlink)
{
        /* Virtual bus id of SSP links are the hardware port ids proper. */
        return nhlt_add_ssp_endpoints(nhlt, hwlink, max98357_descriptors,
                                        ARRAY_SIZE(max98357_descriptors));
}