diff options
Diffstat (limited to 'src/soc/intel/skylake/nhlt/nau88l25.c')
-rw-r--r-- | src/soc/intel/skylake/nhlt/nau88l25.c | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/src/soc/intel/skylake/nhlt/nau88l25.c b/src/soc/intel/skylake/nhlt/nau88l25.c new file mode 100644 index 0000000000..d9b9cbd849 --- /dev/null +++ b/src/soc/intel/skylake/nhlt/nau88l25.c @@ -0,0 +1,73 @@ +/* + * 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; +} |