From 3e0a3fb1c293af09dd73c09cceac18f709feb6cc Mon Sep 17 00:00:00 2001 From: Sathyanarayana Nujella Date: Wed, 26 Oct 2016 17:31:36 -0700 Subject: soc/intel/apollolake: Add support for DMIC 4ch & 1ch Add NHLT support for DMIC Quad & Mono channel capture BUG=chrome-os-partner:56918 BRANCH=none Change-Id: If630ed53bb2cf00ccc441eb062b2e8c650d3cf01 Signed-off-by: Sathyanarayana Nujella Reviewed-on: https://review.coreboot.org/17156 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin --- src/soc/intel/apollolake/nhlt.c | 82 ++++++++++++++++++++++++++++++++++++++--- 1 file changed, 76 insertions(+), 6 deletions(-) (limited to 'src/soc/intel/apollolake/nhlt.c') diff --git a/src/soc/intel/apollolake/nhlt.c b/src/soc/intel/apollolake/nhlt.c index 3670a13264..b43a34ea31 100644 --- a/src/soc/intel/apollolake/nhlt.c +++ b/src/soc/intel/apollolake/nhlt.c @@ -18,6 +18,38 @@ #include #include +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, + .settings_file = "dmic-1ch-48khz-16b.bin", + }, +}; + +static const struct nhlt_dmic_array_config dmic_1ch_mic_config = { + .tdm_config = { + .config_type = NHLT_TDM_MIC_ARRAY, + }, + .array_type = NHLT_MIC_ARRAY_VENDOR_DEFINED, +}; + +static const struct nhlt_endp_descriptor dmic_1ch_descriptors[] = { + { + .link = NHLT_LINK_PDM, + .device = NHLT_PDM_DEV, + .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. */ { @@ -50,6 +82,38 @@ static const struct nhlt_endp_descriptor dmic_2ch_descriptors[] = { }, }; +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, + .settings_file = "dmic-4ch-48khz-16b.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), + }, +}; + static const struct nhlt_format_config da7219_formats[] = { /* 48 KHz 24-bits per sample. */ { @@ -118,13 +182,19 @@ static const struct nhlt_endp_descriptor max98357_descriptors[] = { int nhlt_soc_add_dmic_array(struct nhlt *nhlt, int num_channels) { - if (num_channels != 2) { - printk(BIOS_ERR, "APL only supports 2CH DMIC array.\n"); - return -1; - } - - return nhlt_add_endpoints(nhlt, dmic_2ch_descriptors, + 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)); + case 4: + return nhlt_add_endpoints(nhlt, dmic_4ch_descriptors, + ARRAY_SIZE(dmic_4ch_descriptors)); + default: + return -1; + } } int nhlt_soc_add_da7219(struct nhlt *nhlt, int hwlink) -- cgit v1.2.3