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Skylake can be configured with either both 2 and 4 channel DMIC array, or 2 channel DMIC array only, this patch provides an API to retrieve the DMIC info from nhlt. Signed-off-by: Yong Zhi <yong.zhi@intel.com> Acked-by: Vinod Koul <vinod.koul@intel.com> Signed-off-by: Mark Brown <broonie@kernel.org>
129 lines
2.6 KiB
C
129 lines
2.6 KiB
C
/*
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* skl-nhlt.h - Intel HDA Platform NHLT header
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*
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* Copyright (C) 2015 Intel Corp
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* Author: Sanjiv Kumar <sanjiv.kumar@intel.com>
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* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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*
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*/
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#ifndef __SKL_NHLT_H__
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#define __SKL_NHLT_H__
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#include <linux/acpi.h>
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struct wav_fmt {
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u16 fmt_tag;
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u16 channels;
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u32 samples_per_sec;
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u32 avg_bytes_per_sec;
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u16 block_align;
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u16 bits_per_sample;
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u16 cb_size;
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} __packed;
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struct wav_fmt_ext {
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struct wav_fmt fmt;
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union samples {
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u16 valid_bits_per_sample;
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u16 samples_per_block;
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u16 reserved;
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} sample;
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u32 channel_mask;
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u8 sub_fmt[16];
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} __packed;
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enum nhlt_link_type {
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NHLT_LINK_HDA = 0,
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NHLT_LINK_DSP = 1,
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NHLT_LINK_DMIC = 2,
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NHLT_LINK_SSP = 3,
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NHLT_LINK_INVALID
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};
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enum nhlt_device_type {
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NHLT_DEVICE_BT = 0,
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NHLT_DEVICE_DMIC = 1,
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NHLT_DEVICE_I2S = 4,
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NHLT_DEVICE_INVALID
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};
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struct nhlt_specific_cfg {
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u32 size;
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u8 caps[0];
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} __packed;
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struct nhlt_fmt_cfg {
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struct wav_fmt_ext fmt_ext;
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struct nhlt_specific_cfg config;
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} __packed;
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struct nhlt_fmt {
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u8 fmt_count;
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struct nhlt_fmt_cfg fmt_config[0];
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} __packed;
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struct nhlt_endpoint {
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u32 length;
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u8 linktype;
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u8 instance_id;
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u16 vendor_id;
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u16 device_id;
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u16 revision_id;
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u32 subsystem_id;
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u8 device_type;
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u8 direction;
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u8 virtual_bus_id;
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struct nhlt_specific_cfg config;
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} __packed;
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struct nhlt_acpi_table {
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struct acpi_table_header header;
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u8 endpoint_count;
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struct nhlt_endpoint desc[0];
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} __packed;
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struct nhlt_resource_desc {
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u32 extra;
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u16 flags;
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u64 addr_spc_gra;
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u64 min_addr;
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u64 max_addr;
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u64 addr_trans_offset;
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u64 length;
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} __packed;
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#define MIC_ARRAY_2CH 2
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#define MIC_ARRAY_4CH 4
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struct nhlt_tdm_config {
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u8 virtual_slot;
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u8 config_type;
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} __packed;
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struct nhlt_dmic_array_config {
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struct nhlt_tdm_config tdm_config;
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u8 array_type;
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} __packed;
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enum {
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NHLT_MIC_ARRAY_2CH_SMALL = 0xa,
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NHLT_MIC_ARRAY_2CH_BIG = 0xb,
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NHLT_MIC_ARRAY_4CH_1ST_GEOM = 0xc,
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NHLT_MIC_ARRAY_4CH_L_SHAPED = 0xd,
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NHLT_MIC_ARRAY_4CH_2ND_GEOM = 0xe,
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NHLT_MIC_ARRAY_VENDOR_DEFINED = 0xf,
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};
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#endif
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