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22313eaf MB |
1 | /* |
2 | * phycore-ac97.c -- SoC audio for imx_phycore in AC97 mode | |
3 | * | |
4 | * Copyright 2009 Sascha Hauer, Pengutronix <s.hauer@pengutronix.de> | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify it | |
7 | * under the terms of the GNU General Public License as published by the | |
8 | * Free Software Foundation; either version 2 of the License, or (at your | |
9 | * option) any later version. | |
10 | * | |
11 | */ | |
12 | ||
13 | #include <linux/module.h> | |
14 | #include <linux/moduleparam.h> | |
15 | #include <linux/device.h> | |
16 | #include <linux/i2c.h> | |
17 | #include <sound/core.h> | |
18 | #include <sound/pcm.h> | |
19 | #include <sound/soc.h> | |
22313eaf | 20 | #include <asm/mach-types.h> |
3c77c29c SG |
21 | |
22 | #include "imx-audmux.h" | |
22313eaf | 23 | |
22313eaf MB |
24 | static struct snd_soc_card imx_phycore; |
25 | ||
26 | static struct snd_soc_ops imx_phycore_hifi_ops = { | |
27 | }; | |
28 | ||
29 | static struct snd_soc_dai_link imx_phycore_dai_ac97[] = { | |
30 | { | |
31 | .name = "HiFi", | |
32 | .stream_name = "HiFi", | |
f0fba2ad LG |
33 | .codec_dai_name = "wm9712-hifi", |
34 | .codec_name = "wm9712-codec", | |
205d231b | 35 | .cpu_dai_name = "imx-ssi.0", |
2bf9d4bb | 36 | .platform_name = "imx-ssi.0", |
22313eaf MB |
37 | .ops = &imx_phycore_hifi_ops, |
38 | }, | |
39 | }; | |
40 | ||
41 | static struct snd_soc_card imx_phycore = { | |
6424dca2 | 42 | .name = "PhyCORE-ac97-audio", |
6aff8ccb | 43 | .owner = THIS_MODULE, |
22313eaf MB |
44 | .dai_link = imx_phycore_dai_ac97, |
45 | .num_links = ARRAY_SIZE(imx_phycore_dai_ac97), | |
46 | }; | |
47 | ||
09de9533 | 48 | static struct platform_device *imx_phycore_snd_ac97_device; |
22313eaf MB |
49 | static struct platform_device *imx_phycore_snd_device; |
50 | ||
51 | static int __init imx_phycore_init(void) | |
52 | { | |
53 | int ret; | |
54 | ||
17ec38a8 | 55 | if (machine_is_pca100()) { |
af4872fb SG |
56 | imx_audmux_v1_configure_port(MX27_AUDMUX_HPCR1_SSI0, |
57 | IMX_AUDMUX_V1_PCR_SYN | /* 4wire mode */ | |
58 | IMX_AUDMUX_V1_PCR_TFCSEL(3) | | |
59 | IMX_AUDMUX_V1_PCR_TCLKDIR | /* clock is output */ | |
60 | IMX_AUDMUX_V1_PCR_RXDSEL(3)); | |
61 | imx_audmux_v1_configure_port(3, | |
62 | IMX_AUDMUX_V1_PCR_SYN | /* 4wire mode */ | |
63 | IMX_AUDMUX_V1_PCR_TFCSEL(0) | | |
64 | IMX_AUDMUX_V1_PCR_TFSDIR | | |
65 | IMX_AUDMUX_V1_PCR_RXDSEL(0)); | |
17ec38a8 | 66 | } else if (machine_is_pcm043()) { |
af4872fb SG |
67 | imx_audmux_v2_configure_port(3, |
68 | IMX_AUDMUX_V2_PTCR_SYN | /* 4wire mode */ | |
69 | IMX_AUDMUX_V2_PTCR_TFSEL(0) | | |
70 | IMX_AUDMUX_V2_PTCR_TFSDIR, | |
71 | IMX_AUDMUX_V2_PDCR_RXDSEL(0)); | |
72 | imx_audmux_v2_configure_port(0, | |
73 | IMX_AUDMUX_V2_PTCR_SYN | /* 4wire mode */ | |
74 | IMX_AUDMUX_V2_PTCR_TCSEL(3) | | |
75 | IMX_AUDMUX_V2_PTCR_TCLKDIR, /* clock is output */ | |
76 | IMX_AUDMUX_V2_PDCR_RXDSEL(3)); | |
17ec38a8 | 77 | } else { |
22313eaf MB |
78 | /* return happy. We might run on a totally different machine */ |
79 | return 0; | |
17ec38a8 | 80 | } |
22313eaf | 81 | |
09de9533 AL |
82 | imx_phycore_snd_ac97_device = platform_device_alloc("soc-audio", -1); |
83 | if (!imx_phycore_snd_ac97_device) | |
22313eaf MB |
84 | return -ENOMEM; |
85 | ||
09de9533 AL |
86 | platform_set_drvdata(imx_phycore_snd_ac97_device, &imx_phycore); |
87 | ret = platform_device_add(imx_phycore_snd_ac97_device); | |
88 | if (ret) | |
89 | goto fail1; | |
22313eaf | 90 | |
f0fba2ad | 91 | imx_phycore_snd_device = platform_device_alloc("wm9712-codec", -1); |
09de9533 AL |
92 | if (!imx_phycore_snd_device) { |
93 | ret = -ENOMEM; | |
94 | goto fail2; | |
95 | } | |
22313eaf MB |
96 | ret = platform_device_add(imx_phycore_snd_device); |
97 | ||
98 | if (ret) { | |
99 | printk(KERN_ERR "ASoC: Platform device allocation failed\n"); | |
09de9533 | 100 | goto fail3; |
22313eaf MB |
101 | } |
102 | ||
09de9533 AL |
103 | return 0; |
104 | ||
105 | fail3: | |
106 | platform_device_put(imx_phycore_snd_device); | |
107 | fail2: | |
108 | platform_device_del(imx_phycore_snd_ac97_device); | |
109 | fail1: | |
110 | platform_device_put(imx_phycore_snd_ac97_device); | |
22313eaf MB |
111 | return ret; |
112 | } | |
113 | ||
114 | static void __exit imx_phycore_exit(void) | |
115 | { | |
116 | platform_device_unregister(imx_phycore_snd_device); | |
09de9533 | 117 | platform_device_unregister(imx_phycore_snd_ac97_device); |
22313eaf MB |
118 | } |
119 | ||
120 | late_initcall(imx_phycore_init); | |
121 | module_exit(imx_phycore_exit); | |
122 | ||
123 | MODULE_AUTHOR("Sascha Hauer <s.hauer@pengutronix.de>"); | |
124 | MODULE_DESCRIPTION("PhyCORE ALSA SoC driver"); | |
125 | MODULE_LICENSE("GPL"); |