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| author | Benjamin Doron <benjamin.doron00@gmail.com> | 2020-08-04 06:45:46 +0000 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2020-11-24 09:42:23 +0000 |
| commit | eecaf360de2ae3068f51746a64e943c8d18a4f6f (patch) | |
| tree | c67ead23456d80d88f961d9f7e4fc36bdbd06ec0 /src | |
| parent | 9ee1b82db42623fb700b62d21b5f6d95a0e2e02c (diff) | |
| download | coreboot-eecaf360de2ae3068f51746a64e943c8d18a4f6f.tar.gz coreboot-eecaf360de2ae3068f51746a64e943c8d18a4f6f.tar.bz2 coreboot-eecaf360de2ae3068f51746a64e943c8d18a4f6f.zip | |
soc/intel/skylake: Support NHLT 1ch DMIC
Allows advertising support for a 1ch array DMIC in the NHLT table.
Boards use the NHLT if a microphone is connected to the DSP.
Tested on an Acer Aspire VN7-572G (Skylake-U) on Windows 10.
A custom ALSA topology will be required for Linux.
Change-Id: Idba3a714faab5ca1958de7dcfc0fc667c60ea7fd
Signed-off-by: Benjamin Doron <benjamin.doron00@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/43072
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Diffstat (limited to 'src')
| -rw-r--r-- | src/soc/intel/skylake/Kconfig | 6 | ||||
| -rw-r--r-- | src/soc/intel/skylake/nhlt/Makefile.inc | 5 | ||||
| -rw-r--r-- | src/soc/intel/skylake/nhlt/dmic.c | 36 |
3 files changed, 47 insertions, 0 deletions
diff --git a/src/soc/intel/skylake/Kconfig b/src/soc/intel/skylake/Kconfig index ed81e2470b81..ba3af84fc7ec 100644 --- a/src/soc/intel/skylake/Kconfig +++ b/src/soc/intel/skylake/Kconfig @@ -161,6 +161,12 @@ config SKYLAKE_SOC_PCH_H help Choose this option if you have a PCH-H chipset. +config NHLT_DMIC_1CH + bool + default n + help + Include DSP firmware settings for 1 channel DMIC array. + config NHLT_DMIC_2CH bool default n diff --git a/src/soc/intel/skylake/nhlt/Makefile.inc b/src/soc/intel/skylake/nhlt/Makefile.inc index 5c8bd80e3c1e..7596492f48a5 100644 --- a/src/soc/intel/skylake/nhlt/Makefile.inc +++ b/src/soc/intel/skylake/nhlt/Makefile.inc @@ -15,6 +15,7 @@ else NHLT_BLOB_PATH = 3rdparty/blobs/soc/intel/skylake/nhlt-blobs endif +DMIC_1CH_48KHZ_16B = dmic-1ch-48khz-16b.bin DMIC_2CH_48KHZ_16B = dmic-2ch-48khz-16b.bin DMIC_2CH_48KHZ_32B = dmic-2ch-48khz-32b.bin DMIC_4CH_48KHZ_16B = dmic-4ch-48khz-16b.bin @@ -31,6 +32,10 @@ SSM4567_RENDER = ssm4567-render-2ch-48khz-24b.bin SSM4567_CAPTURE = ssm4567-capture-4ch-48khz-32b.bin DA7219_RENDER_CAPTURE = dialog-2ch-48khz-24b.bin +cbfs-files-$(CONFIG_NHLT_DMIC_1CH) += $(DMIC_1CH_48KHZ_16B) +$(DMIC_1CH_48KHZ_16B)-file := $(NHLT_BLOB_PATH)/$(DMIC_1CH_48KHZ_16B) +$(DMIC_1CH_48KHZ_16B)-type := raw + cbfs-files-$(CONFIG_NHLT_DMIC_2CH) += $(DMIC_2CH_48KHZ_16B) $(DMIC_2CH_48KHZ_16B)-file := $(NHLT_BLOB_PATH)/$(DMIC_2CH_48KHZ_16B) $(DMIC_2CH_48KHZ_16B)-type := raw diff --git a/src/soc/intel/skylake/nhlt/dmic.c b/src/soc/intel/skylake/nhlt/dmic.c index 76c1990826bb..b8802a6b2c2d 100644 --- a/src/soc/intel/skylake/nhlt/dmic.c +++ b/src/soc/intel/skylake/nhlt/dmic.c @@ -2,6 +2,39 @@ #include <soc/nhlt.h> +static const struct nhlt_format_config dmic_1ch_formats[] = { + /* 48 KHz 16-bits per sample. */ + { + .num_channels = 1, + .sample_freq_khz = 48, + .container_bits_per_sample = 16, + .valid_bits_per_sample = 16, + .speaker_mask = SPEAKER_FRONT_CENTER, + .settings_file = "dmic-1ch-48khz-16b.bin", + }, +}; + +static const struct nhlt_dmic_array_config dmic_1ch_mic_config = { + .tdm_config = { + .config_type = NHLT_TDM_BASIC, + }, + .array_type = NHLT_MIC_ARRAY_VENDOR_DEFINED, +}; + +static const struct nhlt_endp_descriptor dmic_1ch_descriptors[] = { + { + .link = NHLT_LINK_PDM, + .device = NHLT_PDM_DEV_CAVS15, + .direction = NHLT_DIR_CAPTURE, + .vid = NHLT_VID, + .did = NHLT_DID_DMIC, + .cfg = &dmic_1ch_mic_config, + .cfg_size = sizeof(dmic_1ch_mic_config), + .formats = dmic_1ch_formats, + .num_formats = ARRAY_SIZE(dmic_1ch_formats), + }, +}; + static const struct nhlt_format_config dmic_2ch_formats[] = { /* 48 KHz 16-bits per sample. */ { @@ -91,6 +124,9 @@ static const struct nhlt_endp_descriptor dmic_4ch_descriptors[] = { int nhlt_soc_add_dmic_array(struct nhlt *nhlt, int num_channels) { switch (num_channels) { + case 1: + return nhlt_add_endpoints(nhlt, dmic_1ch_descriptors, + ARRAY_SIZE(dmic_1ch_descriptors)); case 2: return nhlt_add_endpoints(nhlt, dmic_2ch_descriptors, ARRAY_SIZE(dmic_2ch_descriptors)); |