projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 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 | ||
| be461ba8 C |
24 | #define STUB_RATES SNDRV_PCM_RATE_8000_96000 |
| 25 | #define STUB_FORMATS SNDRV_PCM_FMTBIT_S16_LE | |
| 26 | ||
| be461ba8 C |
27 | struct snd_soc_dai dit_stub_dai = { |
| 28 | .name = "DIT", | |
| 29 | .playback = { | |
| 30 | .stream_name = "Playback", | |
| 31 | .channels_min = 1, | |
| 32 | .channels_max = 384, | |
| 33 | .rates = STUB_RATES, | |
| 34 | .formats = STUB_FORMATS, | |
| 35 | }, | |
| 36 | }; | |
| 37 | ||
| 38 | static int spdif_dit_probe(struct platform_device *pdev) | |
| 39 | { | |
| 203350c1 | 40 | dit_stub_dai.dev = &pdev->dev; |
| be461ba8 C |
41 | return snd_soc_register_dai(&dit_stub_dai); |
| 42 | } | |
| 43 | ||
| 44 | static int spdif_dit_remove(struct platform_device *pdev) | |
| 45 | { | |
| 46 | snd_soc_unregister_dai(&dit_stub_dai); | |
| 47 | return 0; | |
| 48 | } | |
| 49 | ||
| 50 | static struct platform_driver spdif_dit_driver = { | |
| 51 | .probe = spdif_dit_probe, | |
| 52 | .remove = spdif_dit_remove, | |
| 53 | .driver = { | |
| 54 | .name = "spdif-dit", | |
| 55 | .owner = THIS_MODULE, | |
| 56 | }, | |
| 57 | }; | |
| 58 | ||
| 59 | static int __init dit_modinit(void) | |
| 60 | { | |
| 61 | return platform_driver_register(&spdif_dit_driver); | |
| 62 | } | |
| 63 | ||
| 64 | static void __exit dit_exit(void) | |
| 65 | { | |
| 66 | platform_driver_unregister(&spdif_dit_driver); | |
| 67 | } | |
| 68 | ||
| 69 | module_init(dit_modinit); | |
| 70 | module_exit(dit_exit); | |
| 71 |