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
  25 struct 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
  35 struct 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
  46 enum 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
  54 enum nhlt_device_type {
  55         NHLT_DEVICE_BT = 0,
  56         NHLT_DEVICE_DMIC = 1,
  57         NHLT_DEVICE_I2S = 4,
  58         NHLT_DEVICE_INVALID
  59 };
  60
  61 struct nhlt_specific_cfg {
  62         u32 size;
  63         u8 caps[0];
  64 } __packed;
  65
  66 struct nhlt_fmt_cfg {
  67         struct wav_fmt_ext fmt_ext;
  68         struct nhlt_specific_cfg config;
  69 } __packed;
  70
  71 struct nhlt_fmt {
  72         u8 fmt_count;
  73         struct nhlt_fmt_cfg fmt_config[0];
  74 } __packed;
  75
  76 struct 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
  90 struct nhlt_acpi_table {
  91         struct acpi_table_header header;
  92         u8 endpoint_count;
  93         struct nhlt_endpoint desc[0];
  94 } __packed;
  95
  96 struct 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 #endif