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-rw-r--r--sound/soc/pxa/e800_wm9712.c89
1 files changed, 89 insertions, 0 deletions
diff --git a/sound/soc/pxa/e800_wm9712.c b/sound/soc/pxa/e800_wm9712.c
new file mode 100644
index 000000000000..06e8afb25277
--- /dev/null
+++ b/sound/soc/pxa/e800_wm9712.c
@@ -0,0 +1,89 @@
1/*
2 * e800-wm9712.c -- SoC audio for e800
3 *
4 * Based on tosa.c
5 *
6 * Copyright 2007 (c) Ian Molton <spyro@f2s.com>
7 *
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License as published by the
10 * Free Software Foundation; version 2 ONLY.
11 *
12 */
13
14#include <linux/module.h>
15#include <linux/moduleparam.h>
16#include <linux/device.h>
17
18#include <sound/core.h>
19#include <sound/pcm.h>
20#include <sound/soc.h>
21#include <sound/soc-dapm.h>
22
23#include <asm/mach-types.h>
24#include <asm/arch/pxa-regs.h>
25#include <asm/arch/hardware.h>
26#include <asm/arch/audio.h>
27
28#include "../codecs/wm9712.h"
29#include "pxa2xx-pcm.h"
30#include "pxa2xx-ac97.h"
31
32static struct snd_soc_machine e800;
33
34static struct snd_soc_dai_link e800_dai[] = {
35{
36 .name = "AC97 Aux",
37 .stream_name = "AC97 Aux",
38 .cpu_dai = &pxa_ac97_dai[PXA2XX_DAI_AC97_AUX],
39 .codec_dai = &wm9712_dai[WM9712_DAI_AC97_AUX],
40},
41};
42
43static struct snd_soc_machine e800 = {
44 .name = "Toshiba e800",
45 .dai_link = e800_dai,
46 .num_links = ARRAY_SIZE(e800_dai),
47};
48
49static struct snd_soc_device e800_snd_devdata = {
50 .machine = &e800,
51 .platform = &pxa2xx_soc_platform,
52 .codec_dev = &soc_codec_dev_wm9712,
53};
54
55static struct platform_device *e800_snd_device;
56
57static int __init e800_init(void)
58{
59 int ret;
60
61 if (!machine_is_e800())
62 return -ENODEV;
63
64 e800_snd_device = platform_device_alloc("soc-audio", -1);
65 if (!e800_snd_device)
66 return -ENOMEM;
67
68 platform_set_drvdata(e800_snd_device, &e800_snd_devdata);
69 e800_snd_devdata.dev = &e800_snd_device->dev;
70 ret = platform_device_add(e800_snd_device);
71
72 if (ret)
73 platform_device_put(e800_snd_device);
74
75 return ret;
76}
77
78static void __exit e800_exit(void)
79{
80 platform_device_unregister(e800_snd_device);
81}
82
83module_init(e800_init);
84module_exit(e800_exit);
85
86/* Module information */
87MODULE_AUTHOR("Ian Molton <spyro@f2s.com>");
88MODULE_DESCRIPTION("ALSA SoC driver for e800");
89MODULE_LICENSE("GPL");