| /* |
| * 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> |
| |
| static const struct nhlt_format_config dmic_2ch_formats[] = { |
| /* 48 KHz 16-bits per sample. */ |
| { |
| .num_channels = 2, |
| .sample_freq_khz = 48, |
| .container_bits_per_sample = 16, |
| .valid_bits_per_sample = 16, |
| .speaker_mask = SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT, |
| .settings_file = "dmic-2ch-48khz-16b.bin", |
| }, |
| /* 48 KHz 32-bits per sample. */ |
| { |
| .num_channels = 2, |
| .sample_freq_khz = 48, |
| .container_bits_per_sample = 32, |
| .valid_bits_per_sample = 32, |
| .speaker_mask = SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT, |
| .settings_file = "dmic-2ch-48khz-32b.bin", |
| }, |
| }; |
| |
| static const struct nhlt_dmic_array_config dmic_2ch_mic_config = { |
| .tdm_config = { |
| .config_type = NHLT_TDM_MIC_ARRAY, |
| }, |
| .array_type = NHLT_MIC_ARRAY_2CH_SMALL, |
| }; |
| |
| static const struct nhlt_endp_descriptor dmic_2ch_descriptors[] = { |
| { |
| .link = NHLT_LINK_PDM, |
| .device = NHLT_PDM_DEV, |
| .direction = NHLT_DIR_CAPTURE, |
| .vid = NHLT_VID, |
| .did = NHLT_DID_DMIC, |
| .cfg = &dmic_2ch_mic_config, |
| .cfg_size = sizeof(dmic_2ch_mic_config), |
| .formats = dmic_2ch_formats, |
| .num_formats = ARRAY_SIZE(dmic_2ch_formats), |
| }, |
| }; |
| |
| static const struct nhlt_format_config dmic_4ch_formats[] = { |
| /* 48 KHz 16-bits per sample. */ |
| { |
| .num_channels = 4, |
| .sample_freq_khz = 48, |
| .container_bits_per_sample = 16, |
| .valid_bits_per_sample = 16, |
| .speaker_mask = SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT | |
| SPEAKER_BACK_LEFT | SPEAKER_BACK_RIGHT, |
| .settings_file = "dmic-4ch-48khz-16b.bin", |
| }, |
| /* 48 KHz 32-bits per sample. */ |
| { |
| .num_channels = 4, |
| .sample_freq_khz = 48, |
| .container_bits_per_sample = 32, |
| .valid_bits_per_sample = 32, |
| .speaker_mask = SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT | |
| SPEAKER_BACK_LEFT | SPEAKER_BACK_RIGHT, |
| .settings_file = "dmic-4ch-48khz-32b.bin", |
| }, |
| }; |
| |
| static const struct nhlt_dmic_array_config dmic_4ch_mic_config = { |
| .tdm_config = { |
| .config_type = NHLT_TDM_MIC_ARRAY, |
| }, |
| .array_type = NHLT_MIC_ARRAY_4CH_L_SHAPED, |
| }; |
| |
| static const struct nhlt_endp_descriptor dmic_4ch_descriptors[] = { |
| { |
| .link = NHLT_LINK_PDM, |
| .device = NHLT_PDM_DEV, |
| .direction = NHLT_DIR_CAPTURE, |
| .vid = NHLT_VID, |
| .did = NHLT_DID_DMIC, |
| .cfg = &dmic_4ch_mic_config, |
| .cfg_size = sizeof(dmic_4ch_mic_config), |
| .formats = dmic_4ch_formats, |
| .num_formats = ARRAY_SIZE(dmic_4ch_formats), |
| }, |
| }; |
| |
| int nhlt_soc_add_dmic_array(struct nhlt *nhlt, int num_channels) |
| { |
| switch (num_channels) { |
| case 2: |
| return nhlt_add_endpoints(nhlt, dmic_2ch_descriptors, |
| ARRAY_SIZE(dmic_2ch_descriptors)); |
| case 4: |
| return nhlt_add_endpoints(nhlt, dmic_4ch_descriptors, |
| ARRAY_SIZE(dmic_4ch_descriptors)); |
| default: |
| return -1; |
| } |
| } |