xref: /linux/include/sound/hda-mlink.h (revision 7f71507851fc7764b36a3221839607d3a45c2025) 
1 /* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */
2 /*
3  * This file is provided under a dual BSD/GPLv2 license.  When using or
4  * redistributing this file, you may do so under either license.
5  *
6  * Copyright(c) 2022-2023 Intel Corporation
7  */
8 
9 struct hdac_bus;
10 struct hdac_ext_link;
11 
12 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA_MLINK)
13 
14 int hda_bus_ml_init(struct hdac_bus *bus);
15 void hda_bus_ml_free(struct hdac_bus *bus);
16 
17 int hdac_bus_eml_get_count(struct hdac_bus *bus, bool alt, int elid);
18 void hdac_bus_eml_enable_interrupt_unlocked(struct hdac_bus *bus, bool alt, int elid, bool enable);
19 void hdac_bus_eml_enable_interrupt(struct hdac_bus *bus, bool alt, int elid, bool enable);
20 bool hdac_bus_eml_check_interrupt(struct hdac_bus *bus, bool alt, int elid);
21 
22 int hdac_bus_eml_set_syncprd_unlocked(struct hdac_bus *bus, bool alt, int elid, u32 syncprd);
23 int hdac_bus_eml_sdw_set_syncprd_unlocked(struct hdac_bus *bus, u32 syncprd);
24 
25 int hdac_bus_eml_wait_syncpu_unlocked(struct hdac_bus *bus, bool alt, int elid);
26 int hdac_bus_eml_sdw_wait_syncpu_unlocked(struct hdac_bus *bus);
27 
28 void hdac_bus_eml_sync_arm_unlocked(struct hdac_bus *bus, bool alt, int elid, int sublink);
29 void hdac_bus_eml_sdw_sync_arm_unlocked(struct hdac_bus *bus, int sublink);
30 
31 int hdac_bus_eml_sync_go_unlocked(struct hdac_bus *bus, bool alt, int elid);
32 int hdac_bus_eml_sdw_sync_go_unlocked(struct hdac_bus *bus);
33 
34 bool hdac_bus_eml_check_cmdsync_unlocked(struct hdac_bus *bus, bool alt, int elid);
35 bool hdac_bus_eml_sdw_check_cmdsync_unlocked(struct hdac_bus *bus);
36 
37 int hdac_bus_eml_power_up(struct hdac_bus *bus, bool alt, int elid, int sublink);
38 int hdac_bus_eml_power_up_unlocked(struct hdac_bus *bus, bool alt, int elid, int sublink);
39 
40 int hdac_bus_eml_power_down(struct hdac_bus *bus, bool alt, int elid, int sublink);
41 int hdac_bus_eml_power_down_unlocked(struct hdac_bus *bus, bool alt, int elid, int sublink);
42 
43 int hdac_bus_eml_sdw_power_up_unlocked(struct hdac_bus *bus, int sublink);
44 int hdac_bus_eml_sdw_power_down_unlocked(struct hdac_bus *bus, int sublink);
45 
46 int hdac_bus_eml_sdw_get_lsdiid_unlocked(struct hdac_bus *bus, int sublink, u16 *lsdiid);
47 int hdac_bus_eml_sdw_set_lsdiid(struct hdac_bus *bus, int sublink, int dev_num);
48 
49 int hdac_bus_eml_sdw_map_stream_ch(struct hdac_bus *bus, int sublink, int y,
50 				   int channel_mask, int stream_id, int dir);
51 
52 void hda_bus_ml_put_all(struct hdac_bus *bus);
53 void hda_bus_ml_reset_losidv(struct hdac_bus *bus);
54 int hda_bus_ml_resume(struct hdac_bus *bus);
55 int hda_bus_ml_suspend(struct hdac_bus *bus);
56 
57 struct hdac_ext_link *hdac_bus_eml_ssp_get_hlink(struct hdac_bus *bus);
58 struct hdac_ext_link *hdac_bus_eml_dmic_get_hlink(struct hdac_bus *bus);
59 struct hdac_ext_link *hdac_bus_eml_sdw_get_hlink(struct hdac_bus *bus);
60 
61 struct mutex *hdac_bus_eml_get_mutex(struct hdac_bus *bus, bool alt, int elid);
62 
63 int hdac_bus_eml_enable_offload(struct hdac_bus *bus, bool alt, int elid, bool enable);
64 
65 #else
66 
67 static inline int
68 hda_bus_ml_init(struct hdac_bus *bus) { return 0; }
69 
70 static inline void hda_bus_ml_free(struct hdac_bus *bus) { }
71 
72 static inline int
73 hdac_bus_eml_get_count(struct hdac_bus *bus, bool alt, int elid) { return 0; }
74 
75 static inline void
76 hdac_bus_eml_enable_interrupt_unlocked(struct hdac_bus *bus, bool alt, int elid, bool enable) { }
77 
78 static inline void
79 hdac_bus_eml_enable_interrupt(struct hdac_bus *bus, bool alt, int elid, bool enable) { }
80 
81 static inline bool
82 hdac_bus_eml_check_interrupt(struct hdac_bus *bus, bool alt, int elid) { return false; }
83 
84 static inline int
85 hdac_bus_eml_set_syncprd_unlocked(struct hdac_bus *bus, bool alt, int elid, u32 syncprd)
86 {
87 	return 0;
88 }
89 
90 static inline int
91 hdac_bus_eml_sdw_set_syncprd_unlocked(struct hdac_bus *bus, u32 syncprd)
92 {
93 	return 0;
94 }
95 
96 static inline int
97 hdac_bus_eml_wait_syncpu_unlocked(struct hdac_bus *bus, bool alt, int elid)
98 {
99 	return 0;
100 }
101 
102 static inline int
103 hdac_bus_eml_sdw_wait_syncpu_unlocked(struct hdac_bus *bus) { return 0; }
104 
105 static inline void
106 hdac_bus_eml_sync_arm_unlocked(struct hdac_bus *bus, bool alt, int elid, int sublink) { }
107 
108 static inline void
109 hdac_bus_eml_sdw_sync_arm_unlocked(struct hdac_bus *bus, int sublink) { }
110 
111 static inline int
112 hdac_bus_eml_sync_go_unlocked(struct hdac_bus *bus, bool alt, int elid) { return 0; }
113 
114 static inline int
115 hdac_bus_eml_sdw_sync_go_unlocked(struct hdac_bus *bus) { return 0; }
116 
117 static inline bool
118 hdac_bus_eml_check_cmdsync_unlocked(struct hdac_bus *bus, bool alt, int elid) { return false; }
119 
120 static inline bool
121 hdac_bus_eml_sdw_check_cmdsync_unlocked(struct hdac_bus *bus) { return false; }
122 
123 static inline int
124 hdac_bus_eml_power_up(struct hdac_bus *bus, bool alt, int elid, int sublink)
125 {
126 	return 0;
127 }
128 
129 static inline int
130 hdac_bus_eml_power_up_unlocked(struct hdac_bus *bus, bool alt, int elid, int sublink)
131 {
132 	return 0;
133 }
134 
135 static inline int
136 hdac_bus_eml_power_down(struct hdac_bus *bus, bool alt, int elid, int sublink)
137 {
138 	return 0;
139 }
140 
141 static inline int
142 hdac_bus_eml_power_down_unlocked(struct hdac_bus *bus, bool alt, int elid, int sublink)
143 {
144 	return 0;
145 }
146 
147 static inline int
148 hdac_bus_eml_sdw_power_up_unlocked(struct hdac_bus *bus, int sublink) { return 0; }
149 
150 static inline int
151 hdac_bus_eml_sdw_power_down_unlocked(struct hdac_bus *bus, int sublink) { return 0; }
152 
153 static inline int
154 hdac_bus_eml_sdw_get_lsdiid_unlocked(struct hdac_bus *bus, int sublink, u16 *lsdiid) { return 0; }
155 
156 static inline int
157 hdac_bus_eml_sdw_set_lsdiid(struct hdac_bus *bus, int sublink, int dev_num) { return 0; }
158 
159 static inline int
160 hdac_bus_eml_sdw_map_stream_ch(struct hdac_bus *bus, int sublink, int y,
161 			       int channel_mask, int stream_id, int dir)
162 {
163 	return 0;
164 }
165 
166 static inline void hda_bus_ml_put_all(struct hdac_bus *bus) { }
167 static inline void hda_bus_ml_reset_losidv(struct hdac_bus *bus) { }
168 static inline int hda_bus_ml_resume(struct hdac_bus *bus) { return 0; }
169 static inline int hda_bus_ml_suspend(struct hdac_bus *bus) { return 0; }
170 
171 static inline struct hdac_ext_link *
172 hdac_bus_eml_ssp_get_hlink(struct hdac_bus *bus) { return NULL; }
173 
174 static inline struct hdac_ext_link *
175 hdac_bus_eml_dmic_get_hlink(struct hdac_bus *bus) { return NULL; }
176 
177 static inline struct hdac_ext_link *
178 hdac_bus_eml_sdw_get_hlink(struct hdac_bus *bus) { return NULL; }
179 
180 static inline struct mutex *
181 hdac_bus_eml_get_mutex(struct hdac_bus *bus, bool alt, int elid) { return NULL; }
182 
183 static inline int
184 hdac_bus_eml_enable_offload(struct hdac_bus *bus, bool alt, int elid, bool enable)
185 {
186 	return 0;
187 }
188 #endif /* CONFIG_SND_SOC_SOF_HDA_MLINK */
189