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
  9struct hdac_bus;
 10struct hdac_ext_link;
 11
 12#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA_MLINK)
 13
 14int hda_bus_ml_init(struct hdac_bus *bus);
 15void hda_bus_ml_free(struct hdac_bus *bus);
 16
 17int hdac_bus_eml_get_count(struct hdac_bus *bus, bool alt, int elid);
 18void hdac_bus_eml_enable_interrupt_unlocked(struct hdac_bus *bus, bool alt, int elid, bool enable);
 19void hdac_bus_eml_enable_interrupt(struct hdac_bus *bus, bool alt, int elid, bool enable);
 20bool hdac_bus_eml_check_interrupt(struct hdac_bus *bus, bool alt, int elid);
 21
 22int hdac_bus_eml_set_syncprd_unlocked(struct hdac_bus *bus, bool alt, int elid, u32 syncprd);
 23int hdac_bus_eml_sdw_set_syncprd_unlocked(struct hdac_bus *bus, u32 syncprd);
 24
 25int hdac_bus_eml_wait_syncpu_unlocked(struct hdac_bus *bus, bool alt, int elid);
 26int hdac_bus_eml_sdw_wait_syncpu_unlocked(struct hdac_bus *bus);
 27
 28void hdac_bus_eml_sync_arm_unlocked(struct hdac_bus *bus, bool alt, int elid, int sublink);
 29void hdac_bus_eml_sdw_sync_arm_unlocked(struct hdac_bus *bus, int sublink);
 30
 31int hdac_bus_eml_sync_go_unlocked(struct hdac_bus *bus, bool alt, int elid);
 32int hdac_bus_eml_sdw_sync_go_unlocked(struct hdac_bus *bus);
 33
 34bool hdac_bus_eml_check_cmdsync_unlocked(struct hdac_bus *bus, bool alt, int elid);
 35bool hdac_bus_eml_sdw_check_cmdsync_unlocked(struct hdac_bus *bus);
 36
 37int hdac_bus_eml_power_up(struct hdac_bus *bus, bool alt, int elid, int sublink);
 38int hdac_bus_eml_power_up_unlocked(struct hdac_bus *bus, bool alt, int elid, int sublink);
 39
 40int hdac_bus_eml_power_down(struct hdac_bus *bus, bool alt, int elid, int sublink);
 41int hdac_bus_eml_power_down_unlocked(struct hdac_bus *bus, bool alt, int elid, int sublink);
 42
 43int hdac_bus_eml_sdw_power_up_unlocked(struct hdac_bus *bus, int sublink);
 44int hdac_bus_eml_sdw_power_down_unlocked(struct hdac_bus *bus, int sublink);
 45
 46int hdac_bus_eml_sdw_get_lsdiid_unlocked(struct hdac_bus *bus, int sublink, u16 *lsdiid);
 47int hdac_bus_eml_sdw_set_lsdiid(struct hdac_bus *bus, int sublink, int dev_num);
 48
 49int 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
 52void hda_bus_ml_put_all(struct hdac_bus *bus);
 53void hda_bus_ml_reset_losidv(struct hdac_bus *bus);
 54int hda_bus_ml_resume(struct hdac_bus *bus);
 55int hda_bus_ml_suspend(struct hdac_bus *bus);
 56
 57struct hdac_ext_link *hdac_bus_eml_ssp_get_hlink(struct hdac_bus *bus);
 58struct hdac_ext_link *hdac_bus_eml_dmic_get_hlink(struct hdac_bus *bus);
 59struct hdac_ext_link *hdac_bus_eml_sdw_get_hlink(struct hdac_bus *bus);
 60
 61struct mutex *hdac_bus_eml_get_mutex(struct hdac_bus *bus, bool alt, int elid);
 62
 63int hdac_bus_eml_enable_offload(struct hdac_bus *bus, bool alt, int elid, bool enable);
 64
 65#else
 66
 67static inline int
 68hda_bus_ml_init(struct hdac_bus *bus) { return 0; }
 69
 70static inline void hda_bus_ml_free(struct hdac_bus *bus) { }
 71
 72static inline int
 73hdac_bus_eml_get_count(struct hdac_bus *bus, bool alt, int elid) { return 0; }
 74
 75static inline void
 76hdac_bus_eml_enable_interrupt_unlocked(struct hdac_bus *bus, bool alt, int elid, bool enable) { }
 77
 78static inline void
 79hdac_bus_eml_enable_interrupt(struct hdac_bus *bus, bool alt, int elid, bool enable) { }
 80
 81static inline bool
 82hdac_bus_eml_check_interrupt(struct hdac_bus *bus, bool alt, int elid) { return false; }
 83
 84static inline int
 85hdac_bus_eml_set_syncprd_unlocked(struct hdac_bus *bus, bool alt, int elid, u32 syncprd)
 86{
 87	return 0;
 88}
 89
 90static inline int
 91hdac_bus_eml_sdw_set_syncprd_unlocked(struct hdac_bus *bus, u32 syncprd)
 92{
 93	return 0;
 94}
 95
 96static inline int
 97hdac_bus_eml_wait_syncpu_unlocked(struct hdac_bus *bus, bool alt, int elid)
 98{
 99	return 0;
100}
101
102static inline int
103hdac_bus_eml_sdw_wait_syncpu_unlocked(struct hdac_bus *bus) { return 0; }
104
105static inline void
106hdac_bus_eml_sync_arm_unlocked(struct hdac_bus *bus, bool alt, int elid, int sublink) { }
107
108static inline void
109hdac_bus_eml_sdw_sync_arm_unlocked(struct hdac_bus *bus, int sublink) { }
110
111static inline int
112hdac_bus_eml_sync_go_unlocked(struct hdac_bus *bus, bool alt, int elid) { return 0; }
113
114static inline int
115hdac_bus_eml_sdw_sync_go_unlocked(struct hdac_bus *bus) { return 0; }
116
117static inline bool
118hdac_bus_eml_check_cmdsync_unlocked(struct hdac_bus *bus, bool alt, int elid) { return false; }
119
120static inline bool
121hdac_bus_eml_sdw_check_cmdsync_unlocked(struct hdac_bus *bus) { return false; }
122
123static inline int
124hdac_bus_eml_power_up(struct hdac_bus *bus, bool alt, int elid, int sublink)
125{
126	return 0;
127}
128
129static inline int
130hdac_bus_eml_power_up_unlocked(struct hdac_bus *bus, bool alt, int elid, int sublink)
131{
132	return 0;
133}
134
135static inline int
136hdac_bus_eml_power_down(struct hdac_bus *bus, bool alt, int elid, int sublink)
137{
138	return 0;
139}
140
141static inline int
142hdac_bus_eml_power_down_unlocked(struct hdac_bus *bus, bool alt, int elid, int sublink)
143{
144	return 0;
145}
146
147static inline int
148hdac_bus_eml_sdw_power_up_unlocked(struct hdac_bus *bus, int sublink) { return 0; }
149
150static inline int
151hdac_bus_eml_sdw_power_down_unlocked(struct hdac_bus *bus, int sublink) { return 0; }
152
153static inline int
154hdac_bus_eml_sdw_get_lsdiid_unlocked(struct hdac_bus *bus, int sublink, u16 *lsdiid) { return 0; }
155
156static inline int
157hdac_bus_eml_sdw_set_lsdiid(struct hdac_bus *bus, int sublink, int dev_num) { return 0; }
158
159static inline int
160hdac_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
166static inline void hda_bus_ml_put_all(struct hdac_bus *bus) { }
167static inline void hda_bus_ml_reset_losidv(struct hdac_bus *bus) { }
168static inline int hda_bus_ml_resume(struct hdac_bus *bus) { return 0; }
169static inline int hda_bus_ml_suspend(struct hdac_bus *bus) { return 0; }
170
171static inline struct hdac_ext_link *
172hdac_bus_eml_ssp_get_hlink(struct hdac_bus *bus) { return NULL; }
173
174static inline struct hdac_ext_link *
175hdac_bus_eml_dmic_get_hlink(struct hdac_bus *bus) { return NULL; }
176
177static inline struct hdac_ext_link *
178hdac_bus_eml_sdw_get_hlink(struct hdac_bus *bus) { return NULL; }
179
180static inline struct mutex *
181hdac_bus_eml_get_mutex(struct hdac_bus *bus, bool alt, int elid) { return NULL; }
182
183static inline int
184hdac_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 */