1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
|
/*
* Copyright (C) ST-Ericsson SA 2012
*
* Author: Ola Lilja (ola.o.lilja@stericsson.com)
* for ST-Ericsson.
*
* License terms:
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as published
* by the Free Software Foundation.
*/
#include <asm/mach-types.h>
#include <linux/module.h>
#include <linux/io.h>
#include <linux/spi/spi.h>
#include <linux/of.h>
#include <sound/soc.h>
#include <sound/initval.h>
#include "ux500_pcm.h"
#include "ux500_msp_dai.h"
#include "mop500_ab8500.h"
/* Define the whole MOP500 soundcard, linking platform to the codec-drivers */
static struct snd_soc_dai_link mop500_dai_links[] = {
{
.name = "ab8500_0",
.stream_name = "ab8500_0",
.cpu_dai_name = "ux500-msp-i2s.1",
.codec_dai_name = "ab8500-codec-dai.0",
.platform_name = "ux500-msp-i2s.1",
.codec_name = "ab8500-codec.0",
.init = mop500_ab8500_machine_init,
.ops = mop500_ab8500_ops,
},
{
.name = "ab8500_1",
.stream_name = "ab8500_1",
.cpu_dai_name = "ux500-msp-i2s.3",
.codec_dai_name = "ab8500-codec-dai.1",
.platform_name = "ux500-msp-i2s.3",
.codec_name = "ab8500-codec.0",
.init = NULL,
.ops = mop500_ab8500_ops,
},
};
static struct snd_soc_card mop500_card = {
.name = "MOP500-card",
.owner = THIS_MODULE,
.probe = NULL,
.dai_link = mop500_dai_links,
.num_links = ARRAY_SIZE(mop500_dai_links),
};
static void mop500_of_node_put(void)
{
int i;
for (i = 0; i < 2; i++) {
of_node_put(mop500_dai_links[i].cpu_of_node);
of_node_put(mop500_dai_links[i].codec_of_node);
}
}
static int mop500_of_probe(struct platform_device *pdev,
struct device_node *np)
{
struct device_node *codec_np, *msp_np[2];
int i;
msp_np[0] = of_parse_phandle(np, "stericsson,cpu-dai", 0);
msp_np[1] = of_parse_phandle(np, "stericsson,cpu-dai", 1);
codec_np = of_parse_phandle(np, "stericsson,audio-codec", 0);
if (!(msp_np[0] && msp_np[1] && codec_np)) {
dev_err(&pdev->dev, "Phandle missing or invalid\n");
mop500_of_node_put();
return -EINVAL;
}
for (i = 0; i < 2; i++) {
mop500_dai_links[i].cpu_of_node = msp_np[i];
mop500_dai_links[i].cpu_dai_name = NULL;
mop500_dai_links[i].platform_of_node = msp_np[i];
mop500_dai_links[i].platform_name = NULL;
mop500_dai_links[i].codec_of_node = codec_np;
mop500_dai_links[i].codec_name = NULL;
}
snd_soc_of_parse_card_name(&mop500_card, "stericsson,card-name");
return 0;
}
static int mop500_probe(struct platform_device *pdev)
{
struct device_node *np = pdev->dev.of_node;
int ret;
dev_dbg(&pdev->dev, "%s: Enter.\n", __func__);
mop500_card.dev = &pdev->dev;
if (np) {
ret = mop500_of_probe(pdev, np);
if (ret)
return ret;
}
dev_dbg(&pdev->dev, "%s: Card %s: Set platform drvdata.\n",
__func__, mop500_card.name);
platform_set_drvdata(pdev, &mop500_card);
snd_soc_card_set_drvdata(&mop500_card, NULL);
dev_dbg(&pdev->dev, "%s: Card %s: num_links = %d\n",
__func__, mop500_card.name, mop500_card.num_links);
dev_dbg(&pdev->dev, "%s: Card %s: DAI-link 0: name = %s\n",
__func__, mop500_card.name, mop500_card.dai_link[0].name);
dev_dbg(&pdev->dev, "%s: Card %s: DAI-link 0: stream_name = %s\n",
__func__, mop500_card.name,
mop500_card.dai_link[0].stream_name);
ret = snd_soc_register_card(&mop500_card);
if (ret)
dev_err(&pdev->dev,
"Error: snd_soc_register_card failed (%d)!\n", ret);
return ret;
}
static int mop500_remove(struct platform_device *pdev)
{
struct snd_soc_card *mop500_card = platform_get_drvdata(pdev);
pr_debug("%s: Enter.\n", __func__);
snd_soc_unregister_card(mop500_card);
mop500_ab8500_remove(mop500_card);
mop500_of_node_put();
return 0;
}
static const struct of_device_id snd_soc_mop500_match[] = {
{ .compatible = "stericsson,snd-soc-mop500", },
{},
};
MODULE_DEVICE_TABLE(of, snd_soc_mop500_match);
static struct platform_driver snd_soc_mop500_driver = {
.driver = {
.name = "snd-soc-mop500",
.of_match_table = snd_soc_mop500_match,
},
.probe = mop500_probe,
.remove = mop500_remove,
};
module_platform_driver(snd_soc_mop500_driver);
|
