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6ffee43e JS |
1 | /* |
2 | * Efika driver for the PSC of the Freescale MPC52xx | |
3 | * configured as AC97 interface | |
4 | * | |
5 | * Copyright 2008 Jon Smirl, Digispeaker | |
6 | * Author: Jon Smirl <jonsmirl@gmail.com> | |
7 | * | |
8 | * This file is licensed under the terms of the GNU General Public License | |
9 | * version 2. This program is licensed "as is" without any warranty of any | |
10 | * kind, whether express or implied. | |
11 | */ | |
12 | ||
13 | #include <linux/init.h> | |
14 | #include <linux/module.h> | |
15 | #include <linux/interrupt.h> | |
16 | #include <linux/device.h> | |
17 | #include <linux/delay.h> | |
18 | #include <linux/of_device.h> | |
19 | #include <linux/of_platform.h> | |
20 | #include <linux/dma-mapping.h> | |
21 | ||
22 | #include <sound/core.h> | |
23 | #include <sound/pcm.h> | |
24 | #include <sound/pcm_params.h> | |
25 | #include <sound/initval.h> | |
26 | #include <sound/soc.h> | |
6ffee43e JS |
27 | |
28 | #include "mpc5200_dma.h" | |
29 | #include "mpc5200_psc_ac97.h" | |
30 | #include "../codecs/stac9766.h" | |
31 | ||
afc5e652 TI |
32 | #define DRV_NAME "efika-audio-fabric" |
33 | ||
6ffee43e JS |
34 | static struct snd_soc_card card; |
35 | ||
36 | static struct snd_soc_dai_link efika_fabric_dai[] = { | |
37 | { | |
38 | .name = "AC97", | |
39 | .stream_name = "AC97 Analog", | |
f0fba2ad LG |
40 | .codec_dai_name = "stac9766-hifi-analog", |
41 | .cpu_dai_name = "mpc5200-psc-ac97.0", | |
42 | .platform_name = "mpc5200-pcm-audio", | |
43 | .codec_name = "stac9766-codec", | |
6ffee43e JS |
44 | }, |
45 | { | |
46 | .name = "AC97", | |
47 | .stream_name = "AC97 IEC958", | |
f0fba2ad LG |
48 | .codec_dai_name = "stac9766-hifi-IEC958", |
49 | .cpu_dai_name = "mpc5200-psc-ac97.1", | |
50 | .platform_name = "mpc5200-pcm-audio", | |
51 | .codec_name = "stac9766-codec", | |
6ffee43e JS |
52 | }, |
53 | }; | |
54 | ||
55 | static __init int efika_fabric_init(void) | |
56 | { | |
57 | struct platform_device *pdev; | |
58 | int rc; | |
59 | ||
71a157e8 | 60 | if (!of_machine_is_compatible("bplan,efika")) |
6ffee43e JS |
61 | return -ENODEV; |
62 | ||
6ffee43e JS |
63 | card.name = "Efika"; |
64 | card.dai_link = efika_fabric_dai; | |
65 | card.num_links = ARRAY_SIZE(efika_fabric_dai); | |
66 | ||
6ffee43e JS |
67 | |
68 | pdev = platform_device_alloc("soc-audio", 1); | |
69 | if (!pdev) { | |
70 | pr_err("efika_fabric_init: platform_device_alloc() failed\n"); | |
71 | return -ENODEV; | |
72 | } | |
73 | ||
f0fba2ad | 74 | platform_set_drvdata(pdev, &card); |
6ffee43e JS |
75 | |
76 | rc = platform_device_add(pdev); | |
77 | if (rc) { | |
78 | pr_err("efika_fabric_init: platform_device_add() failed\n"); | |
4e1f8650 | 79 | platform_device_put(pdev); |
6ffee43e JS |
80 | return -ENODEV; |
81 | } | |
82 | return 0; | |
83 | } | |
84 | ||
85 | module_init(efika_fabric_init); | |
86 | ||
87 | ||
88 | MODULE_AUTHOR("Jon Smirl <jonsmirl@gmail.com>"); | |
89 | MODULE_DESCRIPTION(DRV_NAME ": mpc5200 Efika fabric driver"); | |
90 | MODULE_LICENSE("GPL"); | |
91 |