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be461ba8 C |
1 | /* |
2 | * ALSA SoC SPDIF DIT driver | |
3 | * | |
4 | * This driver is used by controllers which can operate in DIT (SPDI/F) where | |
5 | * no codec is needed. This file provides stub codec that can be used | |
6 | * in these configurations. TI DaVinci Audio controller uses this driver. | |
7 | * | |
8 | * Author: Steve Chen, <schen@mvista.com> | |
9 | * Copyright: (C) 2009 MontaVista Software, Inc., <source@mvista.com> | |
10 | * Copyright: (C) 2009 Texas Instruments, India | |
11 | * | |
12 | * This program is free software; you can redistribute it and/or modify | |
13 | * it under the terms of the GNU General Public License version 2 as | |
14 | * published by the Free Software Foundation. | |
15 | */ | |
16 | ||
17 | #include <linux/module.h> | |
18 | #include <linux/moduleparam.h> | |
19 | #include <sound/soc.h> | |
20 | #include <sound/pcm.h> | |
21 | ||
203350c1 MB |
22 | #include "spdif_transciever.h" |
23 | ||
0a0cf58d KH |
24 | MODULE_LICENSE("GPL"); |
25 | ||
be461ba8 C |
26 | #define STUB_RATES SNDRV_PCM_RATE_8000_96000 |
27 | #define STUB_FORMATS SNDRV_PCM_FMTBIT_S16_LE | |
28 | ||
be461ba8 C |
29 | struct snd_soc_dai dit_stub_dai = { |
30 | .name = "DIT", | |
31 | .playback = { | |
32 | .stream_name = "Playback", | |
33 | .channels_min = 1, | |
34 | .channels_max = 384, | |
35 | .rates = STUB_RATES, | |
36 | .formats = STUB_FORMATS, | |
37 | }, | |
38 | }; | |
a27e304b | 39 | EXPORT_SYMBOL_GPL(dit_stub_dai); |
be461ba8 C |
40 | |
41 | static int spdif_dit_probe(struct platform_device *pdev) | |
42 | { | |
203350c1 | 43 | dit_stub_dai.dev = &pdev->dev; |
be461ba8 C |
44 | return snd_soc_register_dai(&dit_stub_dai); |
45 | } | |
46 | ||
47 | static int spdif_dit_remove(struct platform_device *pdev) | |
48 | { | |
49 | snd_soc_unregister_dai(&dit_stub_dai); | |
50 | return 0; | |
51 | } | |
52 | ||
53 | static struct platform_driver spdif_dit_driver = { | |
54 | .probe = spdif_dit_probe, | |
55 | .remove = spdif_dit_remove, | |
56 | .driver = { | |
57 | .name = "spdif-dit", | |
58 | .owner = THIS_MODULE, | |
59 | }, | |
60 | }; | |
61 | ||
62 | static int __init dit_modinit(void) | |
63 | { | |
64 | return platform_driver_register(&spdif_dit_driver); | |
65 | } | |
66 | ||
67 | static void __exit dit_exit(void) | |
68 | { | |
69 | platform_driver_unregister(&spdif_dit_driver); | |
70 | } | |
71 | ||
72 | module_init(dit_modinit); | |
73 | module_exit(dit_exit); | |
74 |