| Kuninori Morimoto | b8e583f | 2009-08-21 09:42:59 +0900 | [diff] [blame^] | 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>"); |