summaryrefslogtreecommitdiffstats
path: root/sound/soc/sh/fsi-ak4642.c
blob: d6f4703b3c0796fd5869f656904d232818e86298 (plain)
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
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
/*
 * FSI-AK464x sound support for ms7724se
 *
 * Copyright (C) 2009 Renesas Solutions Corp.
 * Kuninori Morimoto <morimoto.kuninori@renesas.com>
 *
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file "COPYING" in the main directory of this archive
 * for more details.
 */

#include <linux/platform_device.h>
#include <sound/sh_fsi.h>

struct fsi_ak4642_data {
	const char *name;
	const char *card;
	const char *cpu_dai;
	const char *codec;
	const char *platform;
	int id;
};

static int fsi_ak4642_dai_init(struct snd_soc_pcm_runtime *rtd)
{
	struct snd_soc_dai *codec = rtd->codec_dai;
	struct snd_soc_dai *cpu = rtd->cpu_dai;
	int ret;

	ret = snd_soc_dai_set_fmt(codec, SND_SOC_DAIFMT_LEFT_J |
					 SND_SOC_DAIFMT_CBM_CFM);
	if (ret < 0)
		return ret;

	ret = snd_soc_dai_set_sysclk(codec, 0, 11289600, 0);
	if (ret < 0)
		return ret;

	ret = snd_soc_dai_set_fmt(cpu, SND_SOC_DAIFMT_LEFT_J |
				       SND_SOC_DAIFMT_CBS_CFS);

	return ret;
}

static struct snd_soc_dai_link fsi_dai_link = {
	.codec_dai_name	= "ak4642-hifi",
	.init		= fsi_ak4642_dai_init,
};

static struct snd_soc_card fsi_soc_card  = {
	.dai_link	= &fsi_dai_link,
	.num_links	= 1,
};

static struct platform_device *fsi_snd_device;

static int fsi_ak4642_probe(struct platform_device *pdev)
{
	int ret = -ENOMEM;
	const struct platform_device_id	*id_entry;
	struct fsi_ak4642_data *pdata;

	id_entry = pdev->id_entry;
	if (!id_entry) {
		dev_err(&pdev->dev, "unknown fsi ak4642\n");
		return -ENODEV;
	}

	pdata = (struct fsi_ak4642_data *)id_entry->driver_data;

	fsi_snd_device = platform_device_alloc("soc-audio", pdata->id);
	if (!fsi_snd_device)
		goto out;

	fsi_dai_link.name		= pdata->name;
	fsi_dai_link.stream_name	= pdata->name;
	fsi_dai_link.cpu_dai_name	= pdata->cpu_dai;
	fsi_dai_link.platform_name	= pdata->platform;
	fsi_dai_link.codec_name		= pdata->codec;
	fsi_soc_card.name		= pdata->card;

	platform_set_drvdata(fsi_snd_device, &fsi_soc_card);
	ret = platform_device_add(fsi_snd_device);

	if (ret)
		platform_device_put(fsi_snd_device);

out:
	return ret;
}

static int fsi_ak4642_remove(struct platform_device *pdev)
{
	platform_device_unregister(fsi_snd_device);
	return 0;
}

static struct fsi_ak4642_data fsi_a_ak4642 = {
	.name		= "AK4642",
	.card		= "FSIA (AK4642)",
	.cpu_dai	= "fsia-dai",
	.codec		= "ak4642-codec.0-0012",
	.platform	= "sh_fsi.0",
	.id		= FSI_PORT_A,
};

static struct fsi_ak4642_data fsi_b_ak4642 = {
	.name		= "AK4642",
	.card		= "FSIB (AK4642)",
	.cpu_dai	= "fsib-dai",
	.codec		= "ak4642-codec.0-0012",
	.platform	= "sh_fsi.0",
	.id		= FSI_PORT_B,
};

static struct fsi_ak4642_data fsi_a_ak4643 = {
	.name		= "AK4643",
	.card		= "FSIA (AK4643)",
	.cpu_dai	= "fsia-dai",
	.codec		= "ak4642-codec.0-0013",
	.platform	= "sh_fsi.0",
	.id		= FSI_PORT_A,
};

static struct fsi_ak4642_data fsi_b_ak4643 = {
	.name		= "AK4643",
	.card		= "FSIB (AK4643)",
	.cpu_dai	= "fsib-dai",
	.codec		= "ak4642-codec.0-0013",
	.platform	= "sh_fsi.0",
	.id		= FSI_PORT_B,
};

static struct fsi_ak4642_data fsi2_a_ak4642 = {
	.name		= "AK4642",
	.card		= "FSI2A (AK4642)",
	.cpu_dai	= "fsia-dai",
	.codec		= "ak4642-codec.0-0012",
	.platform	= "sh_fsi2",
	.id		= FSI_PORT_A,
};

static struct fsi_ak4642_data fsi2_b_ak4642 = {
	.name		= "AK4642",
	.card		= "FSI2B (AK4642)",
	.cpu_dai	= "fsib-dai",
	.codec		= "ak4642-codec.0-0012",
	.platform	= "sh_fsi2",
	.id		= FSI_PORT_B,
};

static struct fsi_ak4642_data fsi2_a_ak4643 = {
	.name		= "AK4643",
	.card		= "FSI2A (AK4643)",
	.cpu_dai	= "fsia-dai",
	.codec		= "ak4642-codec.0-0013",
	.platform	= "sh_fsi2",
	.id		= FSI_PORT_A,
};

static struct fsi_ak4642_data fsi2_b_ak4643 = {
	.name		= "AK4643",
	.card		= "FSI2B (AK4643)",
	.cpu_dai	= "fsib-dai",
	.codec		= "ak4642-codec.0-0013",
	.platform	= "sh_fsi2",
	.id		= FSI_PORT_B,
};

static struct platform_device_id fsi_id_table[] = {
	/* FSI */
	{ "sh_fsi_a_ak4642",	(kernel_ulong_t)&fsi_a_ak4642 },
	{ "sh_fsi_b_ak4642",	(kernel_ulong_t)&fsi_b_ak4642 },
	{ "sh_fsi_a_ak4643",	(kernel_ulong_t)&fsi_a_ak4643 },
	{ "sh_fsi_b_ak4643",	(kernel_ulong_t)&fsi_b_ak4643 },

	/* FSI 2 */
	{ "sh_fsi2_a_ak4642",	(kernel_ulong_t)&fsi2_a_ak4642 },
	{ "sh_fsi2_b_ak4642",	(kernel_ulong_t)&fsi2_b_ak4642 },
	{ "sh_fsi2_a_ak4643",	(kernel_ulong_t)&fsi2_a_ak4643 },
	{ "sh_fsi2_b_ak4643",	(kernel_ulong_t)&fsi2_b_ak4643 },
	{},
};

static struct platform_driver fsi_ak4642 = {
	.driver = {
		.name	= "fsi-ak4642-audio",
	},
	.probe		= fsi_ak4642_probe,
	.remove		= fsi_ak4642_remove,
	.id_table	= fsi_id_table,
};

static int __init fsi_ak4642_init(void)
{
	return platform_driver_register(&fsi_ak4642);
}

static void __exit fsi_ak4642_exit(void)
{
	platform_driver_unregister(&fsi_ak4642);
}

module_init(fsi_ak4642_init);
module_exit(fsi_ak4642_exit);

MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Generic SH4 FSI-AK4642 sound card");
MODULE_AUTHOR("Kuninori Morimoto <morimoto.kuninori@renesas.com>");
OpenPOWER on IntegriCloud