nau88l25.c

Go to the documentation of this file.

/* SPDX-License-Identifier: GPL-2.0-only */
 
#include <soc/nhlt.h>
 
/* The same DSP firmware settings are used for both the capture and
 * render endpoints. */
static const struct nhlt_format_config nau88l25_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 = "nau88l25-2ch-48khz-24b.bin",
        },
};
 
/* The nau88l25 just has headphones and a mic. Both the capture and render
 * endpoints occupy the same virtual slot. */
static const struct nhlt_tdm_config tdm_config = {
        .virtual_slot = 0,
        .config_type = NHLT_TDM_BASIC,
};
 
static const struct nhlt_endp_descriptor nau88l25_descriptors[] = {
        /* Render Endpoint */
        {
                .link = NHLT_LINK_SSP,
                .device = NHLT_SSP_DEV_I2S,
                .direction = NHLT_DIR_RENDER,
                .vid = NHLT_VID,
                .did = NHLT_DID_SSP,
                .cfg = &tdm_config,
                .cfg_size = sizeof(tdm_config),
                .formats = nau88l25_formats,
                .num_formats = ARRAY_SIZE(nau88l25_formats),
        },
        /* Capture Endpoint */
        {
                .link = NHLT_LINK_SSP,
                .device = NHLT_SSP_DEV_I2S,
                .direction = NHLT_DIR_CAPTURE,
                .vid = NHLT_VID,
                .did = NHLT_DID_SSP,
                .cfg = &tdm_config,
                .cfg_size = sizeof(tdm_config),
                .formats = nau88l25_formats,
                .num_formats = ARRAY_SIZE(nau88l25_formats),
        },
};
 
int nhlt_soc_add_nau88l25(struct nhlt *nhlt, int hwlink)
{
        /* Virtual bus id of SSP links are the hardware port ids proper. */
        return nhlt_add_ssp_endpoints(nhlt, hwlink, nau88l25_descriptors,
                                        ARRAY_SIZE(nau88l25_descriptors));
}