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1 | /* |
2 | * FSI-AK464x sound support for ms7724se | |
3 | * | |
4 | * Copyright (C) 2009 Renesas Solutions Corp. | |
5 | * Kuninori Morimoto <morimoto.kuninori@renesas.com> | |
6 | * | |
7 | * This file is subject to the terms and conditions of the GNU General Public | |
8 | * License. See the file "COPYING" in the main directory of this archive | |
9 | * for more details. | |
10 | */ | |
11 | ||
12 | #include <linux/module.h> | |
13 | #include <linux/moduleparam.h> | |
14 | #include <linux/platform_device.h> | |
15 | #include <linux/i2c.h> | |
16 | #include <linux/io.h> | |
17 | #include <sound/core.h> | |
18 | #include <sound/pcm.h> | |
19 | #include <sound/soc.h> | |
20 | #include <sound/soc-dapm.h> | |
21 | ||
22 | #include <sound/sh_fsi.h> | |
23 | #include <../sound/soc/codecs/ak4642.h> | |
24 | ||
25 | static struct snd_soc_dai_link fsi_dai_link = { | |
26 | .name = "AK4642", | |
27 | .stream_name = "AK4642", | |
28 | .cpu_dai = &fsi_soc_dai[0], /* fsi */ | |
29 | .codec_dai = &ak4642_dai, | |
30 | .ops = NULL, | |
31 | }; | |
32 | ||
33 | static struct snd_soc_card fsi_soc_card = { | |
34 | .name = "FSI", | |
35 | .platform = &fsi_soc_platform, | |
36 | .dai_link = &fsi_dai_link, | |
37 | .num_links = 1, | |
38 | }; | |
39 | ||
40 | static struct snd_soc_device fsi_snd_devdata = { | |
41 | .card = &fsi_soc_card, | |
42 | .codec_dev = &soc_codec_dev_ak4642, | |
43 | }; | |
44 | ||
45 | #define AK4642_BUS 0 | |
46 | #define AK4642_ADR 0x12 | |
47 | static int ak4642_add_i2c_device(void) | |
48 | { | |
49 | struct i2c_board_info info; | |
50 | struct i2c_adapter *adapter; | |
51 | struct i2c_client *client; | |
52 | ||
53 | memset(&info, 0, sizeof(struct i2c_board_info)); | |
54 | info.addr = AK4642_ADR; | |
55 | strlcpy(info.type, "ak4642", I2C_NAME_SIZE); | |
56 | ||
57 | adapter = i2c_get_adapter(AK4642_BUS); | |
58 | if (!adapter) { | |
59 | printk(KERN_DEBUG "can't get i2c adapter\n"); | |
60 | return -ENODEV; | |
61 | } | |
62 | ||
63 | client = i2c_new_device(adapter, &info); | |
64 | i2c_put_adapter(adapter); | |
65 | if (!client) { | |
66 | printk(KERN_DEBUG "can't add i2c device\n"); | |
67 | return -ENODEV; | |
68 | } | |
69 | ||
70 | return 0; | |
71 | } | |
72 | ||
73 | static struct platform_device *fsi_snd_device; | |
74 | ||
75 | static int __init fsi_ak4642_init(void) | |
76 | { | |
77 | int ret = -ENOMEM; | |
78 | ||
79 | ak4642_add_i2c_device(); | |
80 | ||
81 | fsi_snd_device = platform_device_alloc("soc-audio", -1); | |
82 | if (!fsi_snd_device) | |
83 | goto out; | |
84 | ||
85 | platform_set_drvdata(fsi_snd_device, | |
86 | &fsi_snd_devdata); | |
87 | fsi_snd_devdata.dev = &fsi_snd_device->dev; | |
88 | ret = platform_device_add(fsi_snd_device); | |
89 | ||
90 | if (ret) | |
91 | platform_device_put(fsi_snd_device); | |
92 | ||
93 | out: | |
94 | return ret; | |
95 | } | |
96 | ||
97 | static void __exit fsi_ak4642_exit(void) | |
98 | { | |
99 | platform_device_unregister(fsi_snd_device); | |
100 | } | |
101 | ||
102 | module_init(fsi_ak4642_init); | |
103 | module_exit(fsi_ak4642_exit); | |
104 | ||
105 | MODULE_LICENSE("GPL"); | |
106 | MODULE_DESCRIPTION("Generic SH4 FSI-AK4642 sound card"); | |
107 | MODULE_AUTHOR("Kuninori Morimoto <morimoto.kuninori@renesas.com>"); |