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ASoC: Use dai_fmt in snappercl15 machine driver
[~shefty/rdma-dev.git] / sound / soc / ep93xx / snappercl15.c
1 /*
2  * snappercl15.c -- SoC audio for Bluewater Systems Snapper CL15 module
3  *
4  * Copyright (C) 2008 Bluewater Systems Ltd
5  * Author: Ryan Mallon
6  *
7  *  This program is free software; you can redistribute  it and/or modify it
8  *  under  the terms of  the GNU General  Public License as published by the
9  *  Free Software Foundation;  either version 2 of the  License, or (at your
10  *  option) any later version.
11  *
12  */
13
14 #include <linux/platform_device.h>
15 #include <linux/module.h>
16 #include <sound/core.h>
17 #include <sound/pcm.h>
18 #include <sound/soc.h>
19
20 #include <asm/mach-types.h>
21 #include <mach/hardware.h>
22
23 #include "../codecs/tlv320aic23.h"
24 #include "ep93xx-pcm.h"
25
26 #define CODEC_CLOCK 5644800
27
28 static int snappercl15_hw_params(struct snd_pcm_substream *substream,
29                                  struct snd_pcm_hw_params *params)
30 {
31         struct snd_soc_pcm_runtime *rtd = substream->private_data;
32         struct snd_soc_dai *codec_dai = rtd->codec_dai;
33         struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
34         int err;
35
36         err = snd_soc_dai_set_sysclk(codec_dai, 0, CODEC_CLOCK, 
37                                      SND_SOC_CLOCK_IN);
38         if (err)
39                 return err;
40
41         err = snd_soc_dai_set_sysclk(cpu_dai, 0, CODEC_CLOCK, 
42                                      SND_SOC_CLOCK_OUT);
43         if (err)
44                 return err;
45
46         return 0;
47 }
48
49 static struct snd_soc_ops snappercl15_ops = {
50         .hw_params      = snappercl15_hw_params,
51 };
52
53 static const struct snd_soc_dapm_widget tlv320aic23_dapm_widgets[] = {
54         SND_SOC_DAPM_HP("Headphone Jack", NULL),
55         SND_SOC_DAPM_LINE("Line In", NULL),
56         SND_SOC_DAPM_MIC("Mic Jack", NULL),
57 };
58
59 static const struct snd_soc_dapm_route audio_map[] = {
60         {"Headphone Jack", NULL, "LHPOUT"},
61         {"Headphone Jack", NULL, "RHPOUT"},
62
63         {"LLINEIN", NULL, "Line In"},
64         {"RLINEIN", NULL, "Line In"},
65
66         {"MICIN", NULL, "Mic Jack"},
67 };
68
69 static int snappercl15_tlv320aic23_init(struct snd_soc_pcm_runtime *rtd)
70 {
71         struct snd_soc_codec *codec = rtd->codec;
72         struct snd_soc_dapm_context *dapm = &codec->dapm;
73
74         snd_soc_dapm_new_controls(dapm, tlv320aic23_dapm_widgets,
75                                   ARRAY_SIZE(tlv320aic23_dapm_widgets));
76
77         snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map));
78         return 0;
79 }
80
81 static struct snd_soc_dai_link snappercl15_dai = {
82         .name           = "tlv320aic23",
83         .stream_name    = "AIC23",
84         .cpu_dai_name   = "ep93xx-i2s",
85         .codec_dai_name = "tlv320aic23-hifi",
86         .codec_name     = "tlv320aic23-codec.0-001a",
87         .platform_name  =  "ep93xx-pcm-audio",
88         .init           = snappercl15_tlv320aic23_init,
89         .dai_fmt        = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_IF |
90                           SND_SOC_DAIFMT_CBS_CFS,
91         .ops            = &snappercl15_ops,
92 };
93
94 static struct snd_soc_card snd_soc_snappercl15 = {
95         .name           = "Snapper CL15",
96         .dai_link       = &snappercl15_dai,
97         .num_links      = 1,
98 };
99
100 static int __devinit snappercl15_probe(struct platform_device *pdev)
101 {
102         struct snd_soc_card *card = &snd_soc_snappercl15;
103         int ret;
104
105         ret = ep93xx_i2s_acquire(EP93XX_SYSCON_DEVCFG_I2SONAC97,
106                                  EP93XX_SYSCON_I2SCLKDIV_ORIDE |
107                                  EP93XX_SYSCON_I2SCLKDIV_SPOL);
108         if (ret)
109                 return ret;
110
111         card->dev = &pdev->dev;
112
113         ret = snd_soc_register_card(card);
114         if (ret) {
115                 dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
116                         ret);
117                 ep93xx_i2s_release();
118         }
119
120         return ret;
121 }
122
123 static int __devexit snappercl15_remove(struct platform_device *pdev)
124 {
125         struct snd_soc_card *card = platform_get_drvdata(pdev);
126
127         snd_soc_unregister_card(card);
128         ep93xx_i2s_release();
129
130         return 0;
131 }
132
133 static struct platform_driver snappercl15_driver = {
134         .driver         = {
135                 .name   = "snappercl15-audio",
136                 .owner  = THIS_MODULE,
137         },
138         .probe          = snappercl15_probe,
139         .remove         = __devexit_p(snappercl15_remove),
140 };
141
142 module_platform_driver(snappercl15_driver);
143
144 MODULE_AUTHOR("Ryan Mallon");
145 MODULE_DESCRIPTION("ALSA SoC Snapper CL15");
146 MODULE_LICENSE("GPL");
147 MODULE_ALIAS("platform:snappercl15-audio");