1 /*
2 Copyright(c) 2021 Intel Corporation
3 All rights reserved.
4
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of version 2 of the GNU General Public License as
7 published by the Free Software Foundation.
8
9 This program is distributed in the hope that it will be useful, but
10 WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 General Public License for more details.
13
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
17 The full GNU General Public License is included in this distribution
18 in the file called LICENSE.GPL.
19 */
20 #include "aconfig.h"
21 #include <errno.h>
22 #include <stdio.h>
23 #include <alsa/asoundlib.h>
24 #include "topology.h"
25 #include "pre-processor.h"
26
tplg_build_hw_cfg_object(struct tplg_pre_processor * tplg_pp,snd_config_t * obj_cfg,snd_config_t * parent)27 int tplg_build_hw_cfg_object(struct tplg_pre_processor *tplg_pp,
28 snd_config_t *obj_cfg, snd_config_t *parent)
29 {
30 snd_config_t *hw_cfg, *obj;
31 const char *name;
32 int ret;
33
34 obj = tplg_object_get_instance_config(tplg_pp, obj_cfg);
35
36 name = tplg_object_get_name(tplg_pp, obj);
37 if (!name)
38 return -EINVAL;
39
40 ret = tplg_build_object_from_template(tplg_pp, obj_cfg, &hw_cfg, NULL, false);
41 if (ret < 0)
42 return ret;
43
44 return tplg_parent_update(tplg_pp, parent, "hw_configs", name);
45 }
46
tplg_build_fe_dai_object(struct tplg_pre_processor * tplg_pp,snd_config_t * obj_cfg,snd_config_t * parent)47 int tplg_build_fe_dai_object(struct tplg_pre_processor *tplg_pp, snd_config_t *obj_cfg,
48 snd_config_t *parent)
49 {
50 return tplg_build_base_object(tplg_pp, obj_cfg, parent, false);
51 }
52
tplg_update_pcm_object(struct tplg_pre_processor * tplg_pp,snd_config_t * obj_cfg,snd_config_t * parent)53 static int tplg_update_pcm_object(struct tplg_pre_processor *tplg_pp,
54 snd_config_t *obj_cfg, snd_config_t *parent)
55 {
56 snd_config_t *top, *parent_obj, *obj, *dest, *cfg, *pcm, *child;
57 const char *parent_name, *item_name, *direction;
58 int ret;
59
60 /* get object name */
61 obj = tplg_object_get_instance_config(tplg_pp, obj_cfg);
62 item_name = tplg_object_get_name(tplg_pp, obj);
63 if (!item_name)
64 return -EINVAL;
65
66 /* get direction */
67 ret = snd_config_search(obj, "direction", &cfg);
68 if (ret < 0) {
69 SNDERR("no direction attribute in %s\n", item_name);
70 return ret;
71 }
72
73 ret = snd_config_get_string(cfg, &direction);
74 if (ret < 0) {
75 SNDERR("Invalid direction attribute in %s\n", item_name);
76 return ret;
77 }
78
79 /* add to parent section */
80 top = tplg_object_get_section(tplg_pp, parent);
81 if (!top) {
82 SNDERR("Cannot find parent for %s\n", item_name);
83 return -EINVAL;
84 }
85
86 parent_obj = tplg_object_get_instance_config(tplg_pp, parent);
87
88 /* get parent name. if parent has no name, skip adding config */
89 parent_name = tplg_object_get_name(tplg_pp, parent_obj);
90 if (!parent_name)
91 return 0;
92
93 /* find parent config with name */
94 dest = tplg_find_config(top, parent_name);
95 if (!dest) {
96 SNDERR("Cannot find parent section %s\n", parent_name);
97 return -EINVAL;
98 }
99
100 ret = snd_config_search(dest, "pcm", &pcm);
101 if (ret < 0) {
102 ret = tplg_config_make_add(&pcm, "pcm", SND_CONFIG_TYPE_COMPOUND, dest);
103 if (ret < 0) {
104 SNDERR("Error creating pcm config in %s\n", parent_name);
105 return ret;
106 }
107 }
108
109 ret = snd_config_search(pcm, direction, &cfg);
110 if (ret >= 0) {
111 SNDERR("pcm.%s exists already in %s\n", direction, parent_name);
112 return -EEXIST;
113 }
114
115 ret = tplg_config_make_add(&cfg, direction, SND_CONFIG_TYPE_COMPOUND, pcm);
116
117 if (ret >= 0)
118 ret = tplg_config_make_add(&child, "capabilities", SND_CONFIG_TYPE_STRING, cfg);
119
120 if (ret >= 0)
121 ret = snd_config_set_string(child, item_name);
122
123 return ret;
124 }
125
tplg_build_pcm_caps_object(struct tplg_pre_processor * tplg_pp,snd_config_t * obj_cfg,snd_config_t * parent)126 int tplg_build_pcm_caps_object(struct tplg_pre_processor *tplg_pp,
127 snd_config_t *obj_cfg, snd_config_t *parent)
128 {
129 snd_config_t *caps;
130 int ret;
131
132 ret = tplg_build_object_from_template(tplg_pp, obj_cfg, &caps, NULL, false);
133 if (ret < 0)
134 return ret;
135
136 /* add pcm capabilities to parent */
137 return tplg_update_pcm_object(tplg_pp, obj_cfg, parent);
138 }
139