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 <errno.h>
21 #include <stdio.h>
22 #include <alsa/asoundlib.h>
23 #include "topology.h"
24 #include "pre-processor.h"
25
tplg_build_hw_cfg_object(struct tplg_pre_processor * tplg_pp,snd_config_t * obj_cfg,snd_config_t * parent)26 int tplg_build_hw_cfg_object(struct tplg_pre_processor *tplg_pp,
27 snd_config_t *obj_cfg, snd_config_t *parent)
28 {
29 snd_config_t *hw_cfg, *obj;
30 const char *name;
31 int ret;
32
33 obj = tplg_object_get_instance_config(tplg_pp, obj_cfg);
34
35 name = tplg_object_get_name(tplg_pp, obj);
36 if (!name)
37 return -EINVAL;
38
39 ret = tplg_build_object_from_template(tplg_pp, obj_cfg, &hw_cfg, NULL, false);
40 if (ret < 0)
41 return ret;
42
43 return tplg_parent_update(tplg_pp, parent, "hw_configs", name);
44 }
45
tplg_build_fe_dai_object(struct tplg_pre_processor * tplg_pp,snd_config_t * obj_cfg,snd_config_t * parent)46 int tplg_build_fe_dai_object(struct tplg_pre_processor *tplg_pp, snd_config_t *obj_cfg,
47 snd_config_t *parent)
48 {
49 return tplg_build_base_object(tplg_pp, obj_cfg, parent, false);
50 }
51
tplg_update_pcm_object(struct tplg_pre_processor * tplg_pp,snd_config_t * obj_cfg,snd_config_t * parent)52 static int tplg_update_pcm_object(struct tplg_pre_processor *tplg_pp,
53 snd_config_t *obj_cfg, snd_config_t *parent)
54 {
55 snd_config_t *top, *parent_obj, *obj, *dest, *cfg, *pcm, *child;
56 const char *parent_name, *item_name, *direction;
57 int ret;
58
59 /* get object name */
60 obj = tplg_object_get_instance_config(tplg_pp, obj_cfg);
61 item_name = tplg_object_get_name(tplg_pp, obj);
62 if (!item_name)
63 return -EINVAL;
64
65 /* get direction */
66 ret = snd_config_search(obj, "direction", &cfg);
67 if (ret < 0) {
68 SNDERR("no direction attribute in %s\n", item_name);
69 return ret;
70 }
71
72 ret = snd_config_get_string(cfg, &direction);
73 if (ret < 0) {
74 SNDERR("Invalid direction attribute in %s\n", item_name);
75 return ret;
76 }
77
78 /* add to parent section */
79 top = tplg_object_get_section(tplg_pp, parent);
80 if (!top) {
81 SNDERR("Cannot find parent for %s\n", item_name);
82 return -EINVAL;
83 }
84
85 parent_obj = tplg_object_get_instance_config(tplg_pp, parent);
86
87 /* get parent name. if parent has no name, skip adding config */
88 parent_name = tplg_object_get_name(tplg_pp, parent_obj);
89 if (!parent_name)
90 return 0;
91
92 /* find parent config with name */
93 dest = tplg_find_config(top, parent_name);
94 if (!dest) {
95 SNDERR("Cannot find parent section %s\n", parent_name);
96 return -EINVAL;
97 }
98
99 ret = snd_config_search(dest, "pcm", &pcm);
100 if (ret < 0) {
101 ret = tplg_config_make_add(&pcm, "pcm", SND_CONFIG_TYPE_COMPOUND, dest);
102 if (ret < 0) {
103 SNDERR("Error creating pcm config in %s\n", parent_name);
104 return ret;
105 }
106 }
107
108 ret = snd_config_search(pcm, direction, &cfg);
109 if (ret >= 0) {
110 SNDERR("pcm.%s exists already in %s\n", direction, parent_name);
111 return -EEXIST;
112 }
113
114 ret = tplg_config_make_add(&cfg, direction, SND_CONFIG_TYPE_COMPOUND, pcm);
115
116 if (ret >= 0)
117 ret = tplg_config_make_add(&child, "capabilities", SND_CONFIG_TYPE_STRING, cfg);
118
119 if (ret >= 0)
120 ret = snd_config_set_string(child, item_name);
121
122 return ret;
123 }
124
tplg_build_pcm_caps_object(struct tplg_pre_processor * tplg_pp,snd_config_t * obj_cfg,snd_config_t * parent)125 int tplg_build_pcm_caps_object(struct tplg_pre_processor *tplg_pp,
126 snd_config_t *obj_cfg, snd_config_t *parent)
127 {
128 snd_config_t *caps;
129 int ret;
130
131 ret = tplg_build_object_from_template(tplg_pp, obj_cfg, &caps, NULL, false);
132 if (ret < 0)
133 return ret;
134
135 /* add pcm capabilities to parent */
136 return tplg_update_pcm_object(tplg_pp, obj_cfg, parent);
137 }
138