/* * 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 /* 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; }