xref: /openbmc/linux/include/sound/hda-mlink.h (revision 2a954832) 
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. All rights reserved.
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(struct hdac_bus *bus, bool alt, int elid, bool enable);
19 bool hdac_bus_eml_check_interrupt(struct hdac_bus *bus, bool alt, int elid);
20 
21 int hdac_bus_eml_set_syncprd_unlocked(struct hdac_bus *bus, bool alt, int elid, u32 syncprd);
22 int hdac_bus_eml_sdw_set_syncprd_unlocked(struct hdac_bus *bus, u32 syncprd);
23 
24 int hdac_bus_eml_wait_syncpu_unlocked(struct hdac_bus *bus, bool alt, int elid);
25 int hdac_bus_eml_sdw_wait_syncpu_unlocked(struct hdac_bus *bus);
26 
27 void hdac_bus_eml_sync_arm_unlocked(struct hdac_bus *bus, bool alt, int elid, int sublink);
28 void hdac_bus_eml_sdw_sync_arm_unlocked(struct hdac_bus *bus, int sublink);
29 
30 int hdac_bus_eml_sync_go_unlocked(struct hdac_bus *bus, bool alt, int elid);
31 int hdac_bus_eml_sdw_sync_go_unlocked(struct hdac_bus *bus);
32 
33 bool hdac_bus_eml_check_cmdsync_unlocked(struct hdac_bus *bus, bool alt, int elid);
34 bool hdac_bus_eml_sdw_check_cmdsync_unlocked(struct hdac_bus *bus);
35 
36 int hdac_bus_eml_power_up(struct hdac_bus *bus, bool alt, int elid, int sublink);
37 int hdac_bus_eml_power_up_unlocked(struct hdac_bus *bus, bool alt, int elid, int sublink);
38 
39 int hdac_bus_eml_power_down(struct hdac_bus *bus, bool alt, int elid, int sublink);
40 int hdac_bus_eml_power_down_unlocked(struct hdac_bus *bus, bool alt, int elid, int sublink);
41 
42 int hdac_bus_eml_sdw_power_up_unlocked(struct hdac_bus *bus, int sublink);
43 int hdac_bus_eml_sdw_power_down_unlocked(struct hdac_bus *bus, int sublink);
44 
45 int hdac_bus_eml_sdw_set_lsdiid(struct hdac_bus *bus, int sublink, int dev_num);
46 
47 void hda_bus_ml_put_all(struct hdac_bus *bus);
48 void hda_bus_ml_reset_losidv(struct hdac_bus *bus);
49 int hda_bus_ml_resume(struct hdac_bus *bus);
50 int hda_bus_ml_suspend(struct hdac_bus *bus);
51 
52 struct hdac_ext_link *hdac_bus_eml_ssp_get_hlink(struct hdac_bus *bus);
53 struct hdac_ext_link *hdac_bus_eml_dmic_get_hlink(struct hdac_bus *bus);
54 
55 struct mutex *hdac_bus_eml_get_mutex(struct hdac_bus *bus, bool alt, int elid);
56 
57 int hdac_bus_eml_enable_offload(struct hdac_bus *bus, bool alt, int elid, bool enable);
58 
59 #else
60 
61 static inline int
62 hda_bus_ml_init(struct hdac_bus *bus) { return 0; }
63 
64 static inline void hda_bus_ml_free(struct hdac_bus *bus) { }
65 
66 static inline int
67 hdac_bus_eml_get_count(struct hdac_bus *bus, bool alt, int elid) { return 0; }
68 
69 static inline void
70 hdac_bus_eml_enable_interrupt(struct hdac_bus *bus, bool alt, int elid, bool enable) { }
71 
72 static inline bool
73 hdac_bus_eml_check_interrupt(struct hdac_bus *bus, bool alt, int elid) { return false; }
74 
75 static inline int
76 hdac_bus_eml_set_syncprd_unlocked(struct hdac_bus *bus, bool alt, int elid, u32 syncprd)
77 {
78 	return 0;
79 }
80 
81 static inline int
82 hdac_bus_eml_sdw_set_syncprd_unlocked(struct hdac_bus *bus, u32 syncprd)
83 {
84 	return 0;
85 }
86 
87 static inline int
88 hdac_bus_eml_wait_syncpu_unlocked(struct hdac_bus *bus, bool alt, int elid)
89 {
90 	return 0;
91 }
92 
93 static inline int
94 hdac_bus_eml_sdw_wait_syncpu_unlocked(struct hdac_bus *bus) { return 0; }
95 
96 static inline void
97 hdac_bus_eml_sync_arm_unlocked(struct hdac_bus *bus, bool alt, int elid, int sublink) { }
98 
99 static inline void
100 hdac_bus_eml_sdw_sync_arm_unlocked(struct hdac_bus *bus, int sublink) { }
101 
102 static inline int
103 hdac_bus_eml_sync_go_unlocked(struct hdac_bus *bus, bool alt, int elid) { return 0; }
104 
105 static inline int
106 hdac_bus_eml_sdw_sync_go_unlocked(struct hdac_bus *bus) { return 0; }
107 
108 static inline bool
109 hdac_bus_eml_check_cmdsync_unlocked(struct hdac_bus *bus, bool alt, int elid) { return false; }
110 
111 static inline bool
112 hdac_bus_eml_sdw_check_cmdsync_unlocked(struct hdac_bus *bus) { return false; }
113 
114 static inline int
115 hdac_bus_eml_power_up(struct hdac_bus *bus, bool alt, int elid, int sublink)
116 {
117 	return 0;
118 }
119 
120 static inline int
121 hdac_bus_eml_power_up_unlocked(struct hdac_bus *bus, bool alt, int elid, int sublink)
122 {
123 	return 0;
124 }
125 
126 static inline int
127 hdac_bus_eml_power_down(struct hdac_bus *bus, bool alt, int elid, int sublink)
128 {
129 	return 0;
130 }
131 
132 static inline int
133 hdac_bus_eml_power_down_unlocked(struct hdac_bus *bus, bool alt, int elid, int sublink)
134 {
135 	return 0;
136 }
137 
138 static inline int
139 hdac_bus_eml_sdw_power_up_unlocked(struct hdac_bus *bus, int sublink) { return 0; }
140 
141 static inline int
142 hdac_bus_eml_sdw_power_down_unlocked(struct hdac_bus *bus, int sublink) { return 0; }
143 
144 static inline int
145 hdac_bus_eml_sdw_set_lsdiid(struct hdac_bus *bus, int sublink, int dev_num) { return 0; }
146 
147 static inline void hda_bus_ml_put_all(struct hdac_bus *bus) { }
148 static inline void hda_bus_ml_reset_losidv(struct hdac_bus *bus) { }
149 static inline int hda_bus_ml_resume(struct hdac_bus *bus) { return 0; }
150 static inline int hda_bus_ml_suspend(struct hdac_bus *bus) { return 0; }
151 
152 static inline struct hdac_ext_link *
153 hdac_bus_eml_ssp_get_hlink(struct hdac_bus *bus) { return NULL; }
154 
155 static inline struct hdac_ext_link *
156 hdac_bus_eml_dmic_get_hlink(struct hdac_bus *bus) { return NULL; }
157 
158 static inline struct mutex *
159 hdac_bus_eml_get_mutex(struct hdac_bus *bus, bool alt, int elid) { return NULL; }
160 
161 static inline int
162 hdac_bus_eml_enable_offload(struct hdac_bus *bus, bool alt, int elid, bool enable)
163 {
164 	return 0;
165 }
166 #endif /* CONFIG_SND_SOC_SOF_HDA */
167