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11#ifndef __SKL_NHLT_H__
12#define __SKL_NHLT_H__
13
14#include <linux/acpi.h>
15
16struct wav_fmt {
17 u16 fmt_tag;
18 u16 channels;
19 u32 samples_per_sec;
20 u32 avg_bytes_per_sec;
21 u16 block_align;
22 u16 bits_per_sample;
23 u16 cb_size;
24} __packed;
25
26struct wav_fmt_ext {
27 struct wav_fmt fmt;
28 union samples {
29 u16 valid_bits_per_sample;
30 u16 samples_per_block;
31 u16 reserved;
32 } sample;
33 u32 channel_mask;
34 u8 sub_fmt[16];
35} __packed;
36
37enum nhlt_link_type {
38 NHLT_LINK_HDA = 0,
39 NHLT_LINK_DSP = 1,
40 NHLT_LINK_DMIC = 2,
41 NHLT_LINK_SSP = 3,
42 NHLT_LINK_INVALID
43};
44
45enum nhlt_device_type {
46 NHLT_DEVICE_BT = 0,
47 NHLT_DEVICE_DMIC = 1,
48 NHLT_DEVICE_I2S = 4,
49 NHLT_DEVICE_INVALID
50};
51
52struct nhlt_specific_cfg {
53 u32 size;
54 u8 caps[0];
55} __packed;
56
57struct nhlt_fmt_cfg {
58 struct wav_fmt_ext fmt_ext;
59 struct nhlt_specific_cfg config;
60} __packed;
61
62struct nhlt_fmt {
63 u8 fmt_count;
64 struct nhlt_fmt_cfg fmt_config[0];
65} __packed;
66
67struct nhlt_endpoint {
68 u32 length;
69 u8 linktype;
70 u8 instance_id;
71 u16 vendor_id;
72 u16 device_id;
73 u16 revision_id;
74 u32 subsystem_id;
75 u8 device_type;
76 u8 direction;
77 u8 virtual_bus_id;
78 struct nhlt_specific_cfg config;
79} __packed;
80
81struct nhlt_acpi_table {
82 struct acpi_table_header header;
83 u8 endpoint_count;
84 struct nhlt_endpoint desc[0];
85} __packed;
86
87struct nhlt_resource_desc {
88 u32 extra;
89 u16 flags;
90 u64 addr_spc_gra;
91 u64 min_addr;
92 u64 max_addr;
93 u64 addr_trans_offset;
94 u64 length;
95} __packed;
96
97#define MIC_ARRAY_2CH 2
98#define MIC_ARRAY_4CH 4
99
100struct nhlt_tdm_config {
101 u8 virtual_slot;
102 u8 config_type;
103} __packed;
104
105struct nhlt_dmic_array_config {
106 struct nhlt_tdm_config tdm_config;
107 u8 array_type;
108} __packed;
109
110enum {
111 NHLT_MIC_ARRAY_2CH_SMALL = 0xa,
112 NHLT_MIC_ARRAY_2CH_BIG = 0xb,
113 NHLT_MIC_ARRAY_4CH_1ST_GEOM = 0xc,
114 NHLT_MIC_ARRAY_4CH_L_SHAPED = 0xd,
115 NHLT_MIC_ARRAY_4CH_2ND_GEOM = 0xe,
116 NHLT_MIC_ARRAY_VENDOR_DEFINED = 0xf,
117};
118
119#endif
120
