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
|
/*
* Copyright (C) ST-Ericsson SA 2010
*
* 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 <linux/io.h>
#include <sound/soc.h>
#include "ux500_pcm.h"
#include "ux500_msp_dai.h"
#include <linux/spi/spi.h>
#include <sound/initval.h>
#include "../codecs/av8100_audio.h"
static struct platform_device *ux500_av8100_platform_device;
static int ux500_av8100_hw_params(
struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_dai *codec_dai = rtd->dai->codec_dai;
struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
int ret = 0;
pr_debug("%s: Enter.\n", __func__);
pr_debug("%s: substream->pcm->name = %s.\n", __func__, substream->pcm->name);
pr_debug("%s: substream->pcm->id = %s.\n", __func__, substream->pcm->id);
pr_debug("%s: substream->name = %s.\n", __func__, substream->name);
pr_debug("%s: substream->number = %d.\n", __func__, substream->number);
if (cpu_dai->ops->set_fmt) {
dev_dbg(&ux500_av8100_platform_device->dev,
"%s: Setting format on codec_dai: "
"SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_CBM_CFM.",
__func__);
ret = snd_soc_dai_set_fmt(
codec_dai,
SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_CBM_CFM);
if (ret < 0) {
dev_dbg(&ux500_av8100_platform_device->dev,
"%s: snd_soc_dai_set_fmt failed with %d.\n",
__func__,
ret);
return ret;
}
dev_dbg(&ux500_av8100_platform_device->dev,
"%s: Setting format on cpu_dai: "
"SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_CBM_CFM.",
__func__);
ret = snd_soc_dai_set_fmt(
cpu_dai,
SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_CBM_CFM);
if (ret < 0) {
dev_dbg(&ux500_av8100_platform_device->dev,
"%s: snd_soc_dai_set_fmt failed with %d.\n",
__func__,
ret);
return ret;
}
}
return ret;
}
struct snd_soc_dai_link ux500_av8100_dai_links[] = {
{
.name = "hdmi",
.stream_name = "hdmi",
.cpu_dai = &ux500_msp_dai[2],
.codec_dai = &av8100_codec_dai[0],
.init = NULL,
.ops = (struct snd_soc_ops[]) {
{
.hw_params = ux500_av8100_hw_params,
}
}
},
};
static struct snd_soc_card ux500_av8100 = {
.name = "hdmi",
.probe = NULL,
.dai_link = ux500_av8100_dai_links,
.num_links = ARRAY_SIZE(ux500_av8100_dai_links),
.platform = &ux500_soc_platform,
};
struct snd_soc_device ux500_av8100_drvdata = {
.card = &ux500_av8100,
.codec_dev = &soc_codec_dev_av8100,
};
static int __init ux500_av8100_soc_init(void)
{
int ret = 0;
pr_debug("%s: Enter.\n", __func__);
pr_info("%s: Card name: %s\n",
__func__,
ux500_av8100_drvdata.card->name);
pr_debug("%s: DAI-link 0, name: %s\n",
__func__,
ux500_av8100_drvdata.card->dai_link[0].name);
pr_debug("%s: DAI-link 0, stream_name: %s\n",
__func__,
ux500_av8100_drvdata.card->dai_link[0].stream_name);
pr_debug("%s: Allocate platform device (%s).\n",
__func__,
ux500_av8100_drvdata.card->name);
ux500_av8100_platform_device = platform_device_alloc("soc-audio", -1);
if (!ux500_av8100_platform_device)
return -ENOMEM;
pr_debug("%s: Set platform drvdata (%s).\n",
__func__,
ux500_av8100_drvdata.card->name);
platform_set_drvdata(
ux500_av8100_platform_device,
&ux500_av8100_drvdata);
ux500_av8100_drvdata.dev = &ux500_av8100_platform_device->dev;
pr_debug("%s: Add platform device (%s).\n",
__func__,
ux500_av8100_drvdata.card->name);
ret = platform_device_add(ux500_av8100_platform_device);
if (ret) {
pr_err("%s: Error: Failed to add platform device (%s).\n",
__func__,
ux500_av8100_drvdata.card->name);
platform_device_put(ux500_av8100_platform_device);
}
return ret;
}
static void __exit ux500_av8100_soc_exit(void)
{
pr_debug("%s: Enter.\n", __func__);
pr_debug("%s: Unregister platform device (%s).\n",
__func__,
ux500_av8100_drvdata.card->name);
platform_device_unregister(ux500_av8100_platform_device);
}
module_init(ux500_av8100_soc_init);
module_exit(ux500_av8100_soc_exit);
MODULE_LICENSE("GPL");
|
