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1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * intel-nhlt.h - Intel HDA Platform NHLT header
4 *
5 * Copyright (c) 2015-2019 Intel Corporation
6 */
7
8#ifndef __INTEL_NHLT_H__
9#define __INTEL_NHLT_H__
10
11#include <linux/acpi.h>
12
13enum nhlt_link_type {
14 NHLT_LINK_HDA = 0,
15 NHLT_LINK_DSP = 1,
16 NHLT_LINK_DMIC = 2,
17 NHLT_LINK_SSP = 3,
18 NHLT_LINK_INVALID
19};
20
21enum nhlt_device_type {
22 NHLT_DEVICE_BT = 0,
23 NHLT_DEVICE_DMIC = 1,
24 NHLT_DEVICE_I2S = 4,
25 NHLT_DEVICE_INVALID
26};
27
28struct wav_fmt {
29 u16 fmt_tag;
30 u16 channels;
31 u32 samples_per_sec;
32 u32 avg_bytes_per_sec;
33 u16 block_align;
34 u16 bits_per_sample;
35 u16 cb_size;
36} __packed;
37
38struct wav_fmt_ext {
39 struct wav_fmt fmt;
40 union samples {
41 u16 valid_bits_per_sample;
42 u16 samples_per_block;
43 u16 reserved;
44 } sample;
45 u32 channel_mask;
46 u8 sub_fmt[16];
47} __packed;
48
49struct nhlt_specific_cfg {
50 u32 size;
51 u8 caps[];
52} __packed;
53
54struct nhlt_fmt_cfg {
55 struct wav_fmt_ext fmt_ext;
56 struct nhlt_specific_cfg config;
57} __packed;
58
59struct nhlt_fmt {
60 u8 fmt_count;
61 struct nhlt_fmt_cfg fmt_config[];
62} __packed;
63
64struct nhlt_endpoint {
65 u32 length;
66 u8 linktype;
67 u8 instance_id;
68 u16 vendor_id;
69 u16 device_id;
70 u16 revision_id;
71 u32 subsystem_id;
72 u8 device_type;
73 u8 direction;
74 u8 virtual_bus_id;
75 struct nhlt_specific_cfg config;
76} __packed;
77
78struct nhlt_acpi_table {
79 struct acpi_table_header header;
80 u8 endpoint_count;
81 struct nhlt_endpoint desc[];
82} __packed;
83
84struct nhlt_resource_desc {
85 u32 extra;
86 u16 flags;
87 u64 addr_spc_gra;
88 u64 min_addr;
89 u64 max_addr;
90 u64 addr_trans_offset;
91 u64 length;
92} __packed;
93
94#define MIC_ARRAY_2CH 2
95#define MIC_ARRAY_4CH 4
96
97struct nhlt_device_specific_config {
98 u8 virtual_slot;
99 u8 config_type;
100} __packed;
101
102struct nhlt_dmic_array_config {
103 struct nhlt_device_specific_config device_config;
104 u8 array_type;
105} __packed;
106
107struct nhlt_vendor_dmic_array_config {
108 struct nhlt_dmic_array_config dmic_config;
109 u8 nb_mics;
110 /* TODO add vendor mic config */
111} __packed;
112
113enum {
114 NHLT_CONFIG_TYPE_GENERIC = 0,
115 NHLT_CONFIG_TYPE_MIC_ARRAY = 1
116};
117
118enum {
119 NHLT_MIC_ARRAY_2CH_SMALL = 0xa,
120 NHLT_MIC_ARRAY_2CH_BIG = 0xb,
121 NHLT_MIC_ARRAY_4CH_1ST_GEOM = 0xc,
122 NHLT_MIC_ARRAY_4CH_L_SHAPED = 0xd,
123 NHLT_MIC_ARRAY_4CH_2ND_GEOM = 0xe,
124 NHLT_MIC_ARRAY_VENDOR_DEFINED = 0xf,
125};
126
127#if IS_ENABLED(CONFIG_ACPI) && IS_ENABLED(CONFIG_SND_INTEL_NHLT)
128
129struct nhlt_acpi_table *intel_nhlt_init(struct device *dev);
130
131void intel_nhlt_free(struct nhlt_acpi_table *addr);
132
133int intel_nhlt_get_dmic_geo(struct device *dev, struct nhlt_acpi_table *nhlt);
134
135bool intel_nhlt_has_endpoint_type(struct nhlt_acpi_table *nhlt, u8 link_type);
136
137int intel_nhlt_ssp_endpoint_mask(struct nhlt_acpi_table *nhlt, u8 device_type);
138
139int intel_nhlt_ssp_mclk_mask(struct nhlt_acpi_table *nhlt, int ssp_num);
140
141struct nhlt_specific_cfg *
142intel_nhlt_get_endpoint_blob(struct device *dev, struct nhlt_acpi_table *nhlt,
143 u32 bus_id, u8 link_type, u8 vbps, u8 bps,
144 u8 num_ch, u32 rate, u8 dir, u8 dev_type);
145
146#else
147
148static inline struct nhlt_acpi_table *intel_nhlt_init(struct device *dev)
149{
150 return NULL;
151}
152
153static inline void intel_nhlt_free(struct nhlt_acpi_table *addr)
154{
155}
156
157static inline int intel_nhlt_get_dmic_geo(struct device *dev,
158 struct nhlt_acpi_table *nhlt)
159{
160 return 0;
161}
162
163static inline bool intel_nhlt_has_endpoint_type(struct nhlt_acpi_table *nhlt,
164 u8 link_type)
165{
166 return false;
167}
168
169static inline int intel_nhlt_ssp_endpoint_mask(struct nhlt_acpi_table *nhlt, u8 device_type)
170{
171 return 0;
172}
173
174static inline int intel_nhlt_ssp_mclk_mask(struct nhlt_acpi_table *nhlt, int ssp_num)
175{
176 return 0;
177}
178
179static inline struct nhlt_specific_cfg *
180intel_nhlt_get_endpoint_blob(struct device *dev, struct nhlt_acpi_table *nhlt,
181 u32 bus_id, u8 link_type, u8 vbps, u8 bps,
182 u8 num_ch, u32 rate, u8 dir, u8 dev_type)
183{
184 return NULL;
185}
186
187#endif
188
189#endif
1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * intel-nhlt.h - Intel HDA Platform NHLT header
4 *
5 * Copyright (c) 2015-2019 Intel Corporation
6 */
7
8#ifndef __INTEL_NHLT_H__
9#define __INTEL_NHLT_H__
10
11#include <linux/acpi.h>
12
13#if IS_ENABLED(CONFIG_ACPI) && IS_ENABLED(CONFIG_SND_INTEL_NHLT)
14
15struct wav_fmt {
16 u16 fmt_tag;
17 u16 channels;
18 u32 samples_per_sec;
19 u32 avg_bytes_per_sec;
20 u16 block_align;
21 u16 bits_per_sample;
22 u16 cb_size;
23} __packed;
24
25struct wav_fmt_ext {
26 struct wav_fmt fmt;
27 union samples {
28 u16 valid_bits_per_sample;
29 u16 samples_per_block;
30 u16 reserved;
31 } sample;
32 u32 channel_mask;
33 u8 sub_fmt[16];
34} __packed;
35
36enum nhlt_link_type {
37 NHLT_LINK_HDA = 0,
38 NHLT_LINK_DSP = 1,
39 NHLT_LINK_DMIC = 2,
40 NHLT_LINK_SSP = 3,
41 NHLT_LINK_INVALID
42};
43
44enum nhlt_device_type {
45 NHLT_DEVICE_BT = 0,
46 NHLT_DEVICE_DMIC = 1,
47 NHLT_DEVICE_I2S = 4,
48 NHLT_DEVICE_INVALID
49};
50
51struct nhlt_specific_cfg {
52 u32 size;
53 u8 caps[0];
54} __packed;
55
56struct nhlt_fmt_cfg {
57 struct wav_fmt_ext fmt_ext;
58 struct nhlt_specific_cfg config;
59} __packed;
60
61struct nhlt_fmt {
62 u8 fmt_count;
63 struct nhlt_fmt_cfg fmt_config[0];
64} __packed;
65
66struct nhlt_endpoint {
67 u32 length;
68 u8 linktype;
69 u8 instance_id;
70 u16 vendor_id;
71 u16 device_id;
72 u16 revision_id;
73 u32 subsystem_id;
74 u8 device_type;
75 u8 direction;
76 u8 virtual_bus_id;
77 struct nhlt_specific_cfg config;
78} __packed;
79
80struct nhlt_acpi_table {
81 struct acpi_table_header header;
82 u8 endpoint_count;
83 struct nhlt_endpoint desc[0];
84} __packed;
85
86struct nhlt_resource_desc {
87 u32 extra;
88 u16 flags;
89 u64 addr_spc_gra;
90 u64 min_addr;
91 u64 max_addr;
92 u64 addr_trans_offset;
93 u64 length;
94} __packed;
95
96#define MIC_ARRAY_2CH 2
97#define MIC_ARRAY_4CH 4
98
99struct nhlt_device_specific_config {
100 u8 virtual_slot;
101 u8 config_type;
102} __packed;
103
104struct nhlt_dmic_array_config {
105 struct nhlt_device_specific_config device_config;
106 u8 array_type;
107} __packed;
108
109struct nhlt_vendor_dmic_array_config {
110 struct nhlt_dmic_array_config dmic_config;
111 u8 nb_mics;
112 /* TODO add vendor mic config */
113} __packed;
114
115enum {
116 NHLT_MIC_ARRAY_2CH_SMALL = 0xa,
117 NHLT_MIC_ARRAY_2CH_BIG = 0xb,
118 NHLT_MIC_ARRAY_4CH_1ST_GEOM = 0xc,
119 NHLT_MIC_ARRAY_4CH_L_SHAPED = 0xd,
120 NHLT_MIC_ARRAY_4CH_2ND_GEOM = 0xe,
121 NHLT_MIC_ARRAY_VENDOR_DEFINED = 0xf,
122};
123
124struct nhlt_acpi_table *intel_nhlt_init(struct device *dev);
125
126void intel_nhlt_free(struct nhlt_acpi_table *addr);
127
128int intel_nhlt_get_dmic_geo(struct device *dev, struct nhlt_acpi_table *nhlt);
129
130#else
131
132struct nhlt_acpi_table;
133
134static inline struct nhlt_acpi_table *intel_nhlt_init(struct device *dev)
135{
136 return NULL;
137}
138
139static inline void intel_nhlt_free(struct nhlt_acpi_table *addr)
140{
141}
142
143static inline int intel_nhlt_get_dmic_geo(struct device *dev,
144 struct nhlt_acpi_table *nhlt)
145{
146 return 0;
147}
148#endif
149
150#endif