LXR linux/sound/soc/intel/skylake/skl-nhlt.h

   1/*
   2 *  skl-nhlt.h - Intel HDA Platform NHLT header
   3 *
   4 *  Copyright (C) 2015 Intel Corp
   5 *  Author: Sanjiv Kumar <sanjiv.kumar@intel.com>
   6 *  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   7 *
   8 *  This program is free software; you can redistribute it and/or modify
   9 *  it under the terms of the GNU General Public License as published by
  10 *  the Free Software Foundation; version 2 of the License.
  11 *
  12 *  This program is distributed in the hope that it will be useful, but
  13 *  WITHOUT ANY WARRANTY; without even the implied warranty of
  14 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15 *  General Public License for more details.
  16 *
  17 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  18 *
  19 */
  20#ifndef __SKL_NHLT_H__
  21#define __SKL_NHLT_H__
  22
  23#include <linux/acpi.h>
  24
  25struct wav_fmt {
  26        u16 fmt_tag;
  27        u16 channels;
  28        u32 samples_per_sec;
  29        u32 avg_bytes_per_sec;
  30        u16 block_align;
  31        u16 bits_per_sample;
  32        u16 cb_size;
  33} __packed;
  34
  35struct wav_fmt_ext {
  36        struct wav_fmt fmt;
  37        union samples {
  38                u16 valid_bits_per_sample;
  39                u16 samples_per_block;
  40                u16 reserved;
  41        } sample;
  42        u32 channel_mask;
  43        u8 sub_fmt[16];
  44} __packed;
  45
  46enum nhlt_link_type {
  47        NHLT_LINK_HDA = 0,
  48        NHLT_LINK_DSP = 1,
  49        NHLT_LINK_DMIC = 2,
  50        NHLT_LINK_SSP = 3,
  51        NHLT_LINK_INVALID
  52};
  53
  54enum nhlt_device_type {
  55        NHLT_DEVICE_BT = 0,
  56        NHLT_DEVICE_DMIC = 1,
  57        NHLT_DEVICE_I2S = 4,
  58        NHLT_DEVICE_INVALID
  59};
  60
  61struct nhlt_specific_cfg {
  62        u32 size;
  63        u8 caps[0];
  64} __packed;
  65
  66struct nhlt_fmt_cfg {
  67        struct wav_fmt_ext fmt_ext;
  68        struct nhlt_specific_cfg config;
  69} __packed;
  70
  71struct nhlt_fmt {
  72        u8 fmt_count;
  73        struct nhlt_fmt_cfg fmt_config[0];
  74} __packed;
  75
  76struct nhlt_endpoint {
  77        u32  length;
  78        u8   linktype;
  79        u8   instance_id;
  80        u16  vendor_id;
  81        u16  device_id;
  82        u16  revision_id;
  83        u32  subsystem_id;
  84        u8   device_type;
  85        u8   direction;
  86        u8   virtual_bus_id;
  87        struct nhlt_specific_cfg config;
  88} __packed;
  89
  90struct nhlt_acpi_table {
  91        struct acpi_table_header header;
  92        u8 endpoint_count;
  93        struct nhlt_endpoint desc[0];
  94} __packed;
  95
  96struct nhlt_resource_desc  {
  97        u32 extra;
  98        u16 flags;
  99        u64 addr_spc_gra;
 100        u64 min_addr;
 101        u64 max_addr;
 102        u64 addr_trans_offset;
 103        u64 length;
 104} __packed;
 105
 106#define MIC_ARRAY_2CH 2
 107#define MIC_ARRAY_4CH 4
 108
 109struct nhlt_tdm_config {
 110        u8 virtual_slot;
 111        u8 config_type;
 112} __packed;
 113
 114struct nhlt_dmic_array_config {
 115        struct nhlt_tdm_config tdm_config;
 116        u8 array_type;
 117} __packed;
 118
 119enum {
 120        NHLT_MIC_ARRAY_2CH_SMALL = 0xa,
 121        NHLT_MIC_ARRAY_2CH_BIG = 0xb,
 122        NHLT_MIC_ARRAY_4CH_1ST_GEOM = 0xc,
 123        NHLT_MIC_ARRAY_4CH_L_SHAPED = 0xd,
 124        NHLT_MIC_ARRAY_4CH_2ND_GEOM = 0xe,
 125        NHLT_MIC_ARRAY_VENDOR_DEFINED = 0xf,
 126};
 127
 128#endif
 129