1 /* SPDX-License-Identifier: GPL-2.0 1
2 *
3 * linux/sound/soc-topology.h -- ALSA SoC Firm
4 *
5 * Copyright (C) 2012 Texas Instruments Inc.
6 * Copyright (C) 2015 Intel Corporation.
7 *
8 * Simple file API to load FW that includes mi
9 * algorithms, equalisers, DAIs, widgets, FE c
10 */
11
12 #ifndef __LINUX_SND_SOC_TPLG_H
13 #define __LINUX_SND_SOC_TPLG_H
14
15 #include <sound/asoc.h>
16 #include <linux/list.h>
17
18 struct firmware;
19 struct snd_kcontrol;
20 struct snd_soc_tplg_pcm_be;
21 struct snd_ctl_elem_value;
22 struct snd_ctl_elem_info;
23 struct snd_soc_dapm_widget;
24 struct snd_soc_component;
25 struct snd_soc_tplg_pcm_fe;
26 struct snd_soc_dapm_context;
27 struct snd_soc_card;
28 struct snd_kcontrol_new;
29 struct snd_soc_dai_link;
30 struct snd_soc_dai_driver;
31 struct snd_soc_dai;
32 struct snd_soc_dapm_route;
33
34 /* dynamic object type */
35 enum snd_soc_dobj_type {
36 SND_SOC_DOBJ_NONE = 0,
37 SND_SOC_DOBJ_MIXER,
38 SND_SOC_DOBJ_BYTES,
39 SND_SOC_DOBJ_ENUM,
40 SND_SOC_DOBJ_GRAPH,
41 SND_SOC_DOBJ_WIDGET,
42 SND_SOC_DOBJ_DAI_LINK,
43 SND_SOC_DOBJ_PCM,
44 SND_SOC_DOBJ_CODEC_LINK,
45 SND_SOC_DOBJ_BACKEND_LINK,
46 };
47
48 /* dynamic control object */
49 struct snd_soc_dobj_control {
50 struct snd_kcontrol *kcontrol;
51 char **dtexts;
52 unsigned long *dvalues;
53 };
54
55 /* dynamic widget object */
56 struct snd_soc_dobj_widget {
57 unsigned int *kcontrol_type; /* kco
58 };
59
60 /* generic dynamic object - all dynamic object
61 struct snd_soc_dobj {
62 enum snd_soc_dobj_type type;
63 unsigned int index; /* objects can
64 struct list_head list;
65 int (*unload)(struct snd_soc_component
66 union {
67 struct snd_soc_dobj_control co
68 struct snd_soc_dobj_widget wid
69 };
70 void *private; /* core does not touch
71 };
72
73 /*
74 * Kcontrol operations - used to map handlers
75 */
76 struct snd_soc_tplg_kcontrol_ops {
77 u32 id;
78 int (*get)(struct snd_kcontrol *kcontr
79 struct snd_ctl_elem_va
80 int (*put)(struct snd_kcontrol *kcontr
81 struct snd_ctl_elem_va
82 int (*info)(struct snd_kcontrol *kcont
83 struct snd_ctl_elem_info *uinf
84 };
85
86 /* Bytes ext operations, for TLV byte controls
87 struct snd_soc_tplg_bytes_ext_ops {
88 u32 id;
89 int (*get)(struct snd_kcontrol *kcontr
90
91 int (*put)(struct snd_kcontrol *kcontr
92 const unsigned int __u
93 };
94
95 /*
96 * DAPM widget event handlers - used to map ha
97 */
98 struct snd_soc_tplg_widget_events {
99 u16 type;
100 int (*event_handler)(struct snd_soc_da
101 struct snd_kcontrol *k
102 };
103
104 /*
105 * Public API - Used by component drivers to l
106 * and their resources.
107 */
108 struct snd_soc_tplg_ops {
109
110 /* external kcontrol init - used for a
111 int (*control_load)(struct snd_soc_com
112 struct snd_kcontrol_new *, str
113 int (*control_unload)(struct snd_soc_c
114 struct snd_soc_dobj *);
115
116 /* DAPM graph route element loading an
117 int (*dapm_route_load)(struct snd_soc_
118 struct snd_soc_dapm_route *rou
119 int (*dapm_route_unload)(struct snd_so
120 struct snd_soc_dobj *);
121
122 /* external widget init - used for any
123 int (*widget_load)(struct snd_soc_comp
124 struct snd_soc_dapm_widget *,
125 struct snd_soc_tplg_dapm_widge
126 int (*widget_ready)(struct snd_soc_com
127 struct snd_soc_dapm_widget *,
128 struct snd_soc_tplg_dapm_widge
129 int (*widget_unload)(struct snd_soc_co
130 struct snd_soc_dobj *);
131
132 /* FE DAI - used for any driver specif
133 int (*dai_load)(struct snd_soc_compone
134 struct snd_soc_dai_driver *dai
135 struct snd_soc_tplg_pcm *pcm,
136
137 int (*dai_unload)(struct snd_soc_compo
138 struct snd_soc_dobj *);
139
140 /* DAI link - used for any driver spec
141 int (*link_load)(struct snd_soc_compon
142 struct snd_soc_dai_link *link,
143 struct snd_soc_tplg_link_confi
144 int (*link_unload)(struct snd_soc_comp
145 struct snd_soc_dobj *);
146
147 /* callback to handle vendor bespoke d
148 int (*vendor_load)(struct snd_soc_comp
149 struct snd_soc_tplg_hdr *);
150 int (*vendor_unload)(struct snd_soc_co
151 struct snd_soc_tplg_hdr *);
152
153 /* completion - called at completion o
154 int (*complete)(struct snd_soc_compone
155
156 /* manifest - optional to inform compo
157 int (*manifest)(struct snd_soc_compone
158 struct snd_soc_tplg_manifest *
159
160 /* vendor specific kcontrol handlers a
161 const struct snd_soc_tplg_kcontrol_ops
162 int io_ops_count;
163
164 /* vendor specific bytes ext handlers
165 const struct snd_soc_tplg_bytes_ext_op
166 int bytes_ext_ops_count;
167 };
168
169 #ifdef CONFIG_SND_SOC_TOPOLOGY
170
171 /* gets a pointer to data from the firmware bl
172 static inline const void *snd_soc_tplg_get_dat
173 {
174 const void *ptr = hdr;
175
176 return ptr + sizeof(*hdr);
177 }
178
179 /* Dynamic Object loading and removal for comp
180 int snd_soc_tplg_component_load(struct snd_soc
181 const struct snd_soc_tplg_ops *ops, co
182 int snd_soc_tplg_component_remove(struct snd_s
183
184 /* Binds event handlers to dynamic widgets */
185 int snd_soc_tplg_widget_bind_event(struct snd_
186 const struct snd_soc_tplg_widget_event
187 u16 event_type);
188
189 #else
190
191 static inline int snd_soc_tplg_component_remov
192 {
193 return 0;
194 }
195
196 #endif
197
198 #endif
199
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