1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-only */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * intel-nhlt.h - Intel HDA Platform NHLT header
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * Copyright (c) 2015-2019 Intel Corporation
6*4882a593Smuzhiyun */
7*4882a593Smuzhiyun
8*4882a593Smuzhiyun #ifndef __INTEL_NHLT_H__
9*4882a593Smuzhiyun #define __INTEL_NHLT_H__
10*4882a593Smuzhiyun
11*4882a593Smuzhiyun #include <linux/acpi.h>
12*4882a593Smuzhiyun
13*4882a593Smuzhiyun #if IS_ENABLED(CONFIG_ACPI) && IS_ENABLED(CONFIG_SND_INTEL_NHLT)
14*4882a593Smuzhiyun
15*4882a593Smuzhiyun struct wav_fmt {
16*4882a593Smuzhiyun u16 fmt_tag;
17*4882a593Smuzhiyun u16 channels;
18*4882a593Smuzhiyun u32 samples_per_sec;
19*4882a593Smuzhiyun u32 avg_bytes_per_sec;
20*4882a593Smuzhiyun u16 block_align;
21*4882a593Smuzhiyun u16 bits_per_sample;
22*4882a593Smuzhiyun u16 cb_size;
23*4882a593Smuzhiyun } __packed;
24*4882a593Smuzhiyun
25*4882a593Smuzhiyun struct wav_fmt_ext {
26*4882a593Smuzhiyun struct wav_fmt fmt;
27*4882a593Smuzhiyun union samples {
28*4882a593Smuzhiyun u16 valid_bits_per_sample;
29*4882a593Smuzhiyun u16 samples_per_block;
30*4882a593Smuzhiyun u16 reserved;
31*4882a593Smuzhiyun } sample;
32*4882a593Smuzhiyun u32 channel_mask;
33*4882a593Smuzhiyun u8 sub_fmt[16];
34*4882a593Smuzhiyun } __packed;
35*4882a593Smuzhiyun
36*4882a593Smuzhiyun enum nhlt_link_type {
37*4882a593Smuzhiyun NHLT_LINK_HDA = 0,
38*4882a593Smuzhiyun NHLT_LINK_DSP = 1,
39*4882a593Smuzhiyun NHLT_LINK_DMIC = 2,
40*4882a593Smuzhiyun NHLT_LINK_SSP = 3,
41*4882a593Smuzhiyun NHLT_LINK_INVALID
42*4882a593Smuzhiyun };
43*4882a593Smuzhiyun
44*4882a593Smuzhiyun enum nhlt_device_type {
45*4882a593Smuzhiyun NHLT_DEVICE_BT = 0,
46*4882a593Smuzhiyun NHLT_DEVICE_DMIC = 1,
47*4882a593Smuzhiyun NHLT_DEVICE_I2S = 4,
48*4882a593Smuzhiyun NHLT_DEVICE_INVALID
49*4882a593Smuzhiyun };
50*4882a593Smuzhiyun
51*4882a593Smuzhiyun struct nhlt_specific_cfg {
52*4882a593Smuzhiyun u32 size;
53*4882a593Smuzhiyun u8 caps[];
54*4882a593Smuzhiyun } __packed;
55*4882a593Smuzhiyun
56*4882a593Smuzhiyun struct nhlt_fmt_cfg {
57*4882a593Smuzhiyun struct wav_fmt_ext fmt_ext;
58*4882a593Smuzhiyun struct nhlt_specific_cfg config;
59*4882a593Smuzhiyun } __packed;
60*4882a593Smuzhiyun
61*4882a593Smuzhiyun struct nhlt_fmt {
62*4882a593Smuzhiyun u8 fmt_count;
63*4882a593Smuzhiyun struct nhlt_fmt_cfg fmt_config[];
64*4882a593Smuzhiyun } __packed;
65*4882a593Smuzhiyun
66*4882a593Smuzhiyun struct nhlt_endpoint {
67*4882a593Smuzhiyun u32 length;
68*4882a593Smuzhiyun u8 linktype;
69*4882a593Smuzhiyun u8 instance_id;
70*4882a593Smuzhiyun u16 vendor_id;
71*4882a593Smuzhiyun u16 device_id;
72*4882a593Smuzhiyun u16 revision_id;
73*4882a593Smuzhiyun u32 subsystem_id;
74*4882a593Smuzhiyun u8 device_type;
75*4882a593Smuzhiyun u8 direction;
76*4882a593Smuzhiyun u8 virtual_bus_id;
77*4882a593Smuzhiyun struct nhlt_specific_cfg config;
78*4882a593Smuzhiyun } __packed;
79*4882a593Smuzhiyun
80*4882a593Smuzhiyun struct nhlt_acpi_table {
81*4882a593Smuzhiyun struct acpi_table_header header;
82*4882a593Smuzhiyun u8 endpoint_count;
83*4882a593Smuzhiyun struct nhlt_endpoint desc[];
84*4882a593Smuzhiyun } __packed;
85*4882a593Smuzhiyun
86*4882a593Smuzhiyun struct nhlt_resource_desc {
87*4882a593Smuzhiyun u32 extra;
88*4882a593Smuzhiyun u16 flags;
89*4882a593Smuzhiyun u64 addr_spc_gra;
90*4882a593Smuzhiyun u64 min_addr;
91*4882a593Smuzhiyun u64 max_addr;
92*4882a593Smuzhiyun u64 addr_trans_offset;
93*4882a593Smuzhiyun u64 length;
94*4882a593Smuzhiyun } __packed;
95*4882a593Smuzhiyun
96*4882a593Smuzhiyun #define MIC_ARRAY_2CH 2
97*4882a593Smuzhiyun #define MIC_ARRAY_4CH 4
98*4882a593Smuzhiyun
99*4882a593Smuzhiyun struct nhlt_device_specific_config {
100*4882a593Smuzhiyun u8 virtual_slot;
101*4882a593Smuzhiyun u8 config_type;
102*4882a593Smuzhiyun } __packed;
103*4882a593Smuzhiyun
104*4882a593Smuzhiyun struct nhlt_dmic_array_config {
105*4882a593Smuzhiyun struct nhlt_device_specific_config device_config;
106*4882a593Smuzhiyun u8 array_type;
107*4882a593Smuzhiyun } __packed;
108*4882a593Smuzhiyun
109*4882a593Smuzhiyun struct nhlt_vendor_dmic_array_config {
110*4882a593Smuzhiyun struct nhlt_dmic_array_config dmic_config;
111*4882a593Smuzhiyun u8 nb_mics;
112*4882a593Smuzhiyun /* TODO add vendor mic config */
113*4882a593Smuzhiyun } __packed;
114*4882a593Smuzhiyun
115*4882a593Smuzhiyun enum {
116*4882a593Smuzhiyun NHLT_CONFIG_TYPE_GENERIC = 0,
117*4882a593Smuzhiyun NHLT_CONFIG_TYPE_MIC_ARRAY = 1
118*4882a593Smuzhiyun };
119*4882a593Smuzhiyun
120*4882a593Smuzhiyun enum {
121*4882a593Smuzhiyun NHLT_MIC_ARRAY_2CH_SMALL = 0xa,
122*4882a593Smuzhiyun NHLT_MIC_ARRAY_2CH_BIG = 0xb,
123*4882a593Smuzhiyun NHLT_MIC_ARRAY_4CH_1ST_GEOM = 0xc,
124*4882a593Smuzhiyun NHLT_MIC_ARRAY_4CH_L_SHAPED = 0xd,
125*4882a593Smuzhiyun NHLT_MIC_ARRAY_4CH_2ND_GEOM = 0xe,
126*4882a593Smuzhiyun NHLT_MIC_ARRAY_VENDOR_DEFINED = 0xf,
127*4882a593Smuzhiyun };
128*4882a593Smuzhiyun
129*4882a593Smuzhiyun struct nhlt_acpi_table *intel_nhlt_init(struct device *dev);
130*4882a593Smuzhiyun
131*4882a593Smuzhiyun void intel_nhlt_free(struct nhlt_acpi_table *addr);
132*4882a593Smuzhiyun
133*4882a593Smuzhiyun int intel_nhlt_get_dmic_geo(struct device *dev, struct nhlt_acpi_table *nhlt);
134*4882a593Smuzhiyun
135*4882a593Smuzhiyun #else
136*4882a593Smuzhiyun
137*4882a593Smuzhiyun struct nhlt_acpi_table;
138*4882a593Smuzhiyun
intel_nhlt_init(struct device * dev)139*4882a593Smuzhiyun static inline struct nhlt_acpi_table *intel_nhlt_init(struct device *dev)
140*4882a593Smuzhiyun {
141*4882a593Smuzhiyun return NULL;
142*4882a593Smuzhiyun }
143*4882a593Smuzhiyun
intel_nhlt_free(struct nhlt_acpi_table * addr)144*4882a593Smuzhiyun static inline void intel_nhlt_free(struct nhlt_acpi_table *addr)
145*4882a593Smuzhiyun {
146*4882a593Smuzhiyun }
147*4882a593Smuzhiyun
intel_nhlt_get_dmic_geo(struct device * dev,struct nhlt_acpi_table * nhlt)148*4882a593Smuzhiyun static inline int intel_nhlt_get_dmic_geo(struct device *dev,
149*4882a593Smuzhiyun struct nhlt_acpi_table *nhlt)
150*4882a593Smuzhiyun {
151*4882a593Smuzhiyun return 0;
152*4882a593Smuzhiyun }
153*4882a593Smuzhiyun #endif
154*4882a593Smuzhiyun
155*4882a593Smuzhiyun #endif
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