ASoC: dapm: Use DAPM mutex for DAPM ops instead of codec mutex
[linux-2.6.git] / sound / soc / pxa / tavorevb3.c
1 /*
2  * tavorevb3.c -- SoC audio for Tavor EVB3
3  *
4  * Copyright (C) 2010 Marvell International Ltd.
5  *      Haojian Zhuang <haojian.zhuang@marvell.com>
6  *
7  * This program is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License version 2 as
9  * published by the Free Software Foundation.
10  */
11
12 #include <linux/module.h>
13 #include <linux/moduleparam.h>
14 #include <linux/device.h>
15 #include <linux/clk.h>
16 #include <linux/i2c.h>
17 #include <sound/core.h>
18 #include <sound/pcm.h>
19 #include <sound/pcm_params.h>
20 #include <sound/soc.h>
21 #include <sound/jack.h>
22
23 #include <asm/mach-types.h>
24
25 #include "../codecs/88pm860x-codec.h"
26 #include "pxa-ssp.h"
27
28 static int evb3_pm860x_init(struct snd_soc_pcm_runtime *rtd);
29
30 static struct platform_device *evb3_snd_device;
31
32 static struct snd_soc_jack hs_jack, mic_jack;
33
34 static struct snd_soc_jack_pin hs_jack_pins[] = {
35         { .pin = "Headset Stereophone", .mask = SND_JACK_HEADPHONE, },
36 };
37
38 static struct snd_soc_jack_pin mic_jack_pins[] = {
39         { .pin = "Headset Mic 2",       .mask = SND_JACK_MICROPHONE, },
40 };
41
42 /* tavorevb3 machine dapm widgets */
43 static const struct snd_soc_dapm_widget evb3_dapm_widgets[] = {
44         SND_SOC_DAPM_HP("Headset Stereophone", NULL),
45         SND_SOC_DAPM_LINE("Lineout Out 1", NULL),
46         SND_SOC_DAPM_LINE("Lineout Out 2", NULL),
47         SND_SOC_DAPM_SPK("Ext Speaker", NULL),
48         SND_SOC_DAPM_MIC("Ext Mic 1", NULL),
49         SND_SOC_DAPM_MIC("Headset Mic 2", NULL),
50         SND_SOC_DAPM_MIC("Ext Mic 3", NULL),
51 };
52
53 /* tavorevb3 machine audio map */
54 static const struct snd_soc_dapm_route audio_map[] = {
55         {"Headset Stereophone", NULL, "HS1"},
56         {"Headset Stereophone", NULL, "HS2"},
57
58         {"Ext Speaker", NULL, "LSP"},
59         {"Ext Speaker", NULL, "LSN"},
60
61         {"Lineout Out 1", NULL, "LINEOUT1"},
62         {"Lineout Out 2", NULL, "LINEOUT2"},
63
64         {"MIC1P", NULL, "Mic1 Bias"},
65         {"MIC1N", NULL, "Mic1 Bias"},
66         {"Mic1 Bias", NULL, "Ext Mic 1"},
67
68         {"MIC2P", NULL, "Mic1 Bias"},
69         {"MIC2N", NULL, "Mic1 Bias"},
70         {"Mic1 Bias", NULL, "Headset Mic 2"},
71
72         {"MIC3P", NULL, "Mic3 Bias"},
73         {"MIC3N", NULL, "Mic3 Bias"},
74         {"Mic3 Bias", NULL, "Ext Mic 3"},
75 };
76
77 static int evb3_i2s_hw_params(struct snd_pcm_substream *substream,
78                               struct snd_pcm_hw_params *params)
79 {
80         struct snd_soc_pcm_runtime *rtd = substream->private_data;
81         struct snd_soc_dai *codec_dai = rtd->codec_dai;
82         struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
83         int width = snd_pcm_format_physical_width(params_format(params));
84         int ret;
85
86         ret = snd_soc_dai_set_sysclk(cpu_dai, PXA_SSP_CLK_NET_PLL, 0,
87                                      PM860X_CLK_DIR_OUT);
88         if (ret < 0)
89                 return ret;
90
91         ret = snd_soc_dai_set_sysclk(codec_dai, 0, 0, PM860X_CLK_DIR_OUT);
92         if (ret < 0)
93                 return ret;
94
95         ret = snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_I2S |
96                         SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM);
97         if (ret < 0)
98                 return ret;
99
100         ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S |
101                         SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM);
102         if (ret < 0)
103                 return ret;
104
105         ret = snd_soc_dai_set_tdm_slot(cpu_dai, 3, 3, 2, width);
106         return ret;
107 }
108
109 static struct snd_soc_ops evb3_i2s_ops = {
110         .hw_params      = evb3_i2s_hw_params,
111 };
112
113 static struct snd_soc_dai_link evb3_dai[] = {
114         {
115                 .name           = "88PM860x I2S",
116                 .stream_name    = "I2S Audio",
117                 .cpu_dai_name   = "pxa-ssp-dai.1",
118                 .codec_dai_name = "88pm860x-i2s",
119                 .platform_name  = "pxa-pcm-audio",
120                 .codec_name     = "88pm860x-codec",
121                 .init           = evb3_pm860x_init,
122                 .ops            = &evb3_i2s_ops,
123         },
124 };
125
126 static struct snd_soc_card snd_soc_card_evb3 = {
127         .name = "Tavor EVB3",
128         .dai_link = evb3_dai,
129         .num_links = ARRAY_SIZE(evb3_dai),
130 };
131
132 static int evb3_pm860x_init(struct snd_soc_pcm_runtime *rtd)
133 {
134         struct snd_soc_codec *codec = rtd->codec;
135         struct snd_soc_dapm_context *dapm = &codec->dapm;
136         int ret;
137
138         snd_soc_dapm_new_controls(dapm, evb3_dapm_widgets,
139                                   ARRAY_SIZE(evb3_dapm_widgets));
140         snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map));
141
142         /* connected pins */
143         snd_soc_dapm_enable_pin(dapm, "Ext Speaker");
144         snd_soc_dapm_enable_pin(dapm, "Ext Mic 1");
145         snd_soc_dapm_enable_pin(dapm, "Ext Mic 3");
146         snd_soc_dapm_disable_pin(dapm, "Headset Mic 2");
147         snd_soc_dapm_disable_pin(dapm, "Headset Stereophone");
148
149         ret = snd_soc_dapm_sync(dapm);
150         if (ret)
151                 return ret;
152
153         /* Headset jack detection */
154         snd_soc_jack_new(codec, "Headphone Jack", SND_JACK_HEADPHONE
155                         | SND_JACK_BTN_0 | SND_JACK_BTN_1 | SND_JACK_BTN_2,
156                         &hs_jack);
157         snd_soc_jack_add_pins(&hs_jack, ARRAY_SIZE(hs_jack_pins),
158                               hs_jack_pins);
159         snd_soc_jack_new(codec, "Microphone Jack", SND_JACK_MICROPHONE,
160                          &mic_jack);
161         snd_soc_jack_add_pins(&mic_jack, ARRAY_SIZE(mic_jack_pins),
162                               mic_jack_pins);
163
164         /* headphone, microphone detection & headset short detection */
165         pm860x_hs_jack_detect(codec, &hs_jack, SND_JACK_HEADPHONE,
166                               SND_JACK_BTN_0, SND_JACK_BTN_1, SND_JACK_BTN_2);
167         pm860x_mic_jack_detect(codec, &hs_jack, SND_JACK_MICROPHONE);
168         return 0;
169 }
170
171 static int __init tavorevb3_init(void)
172 {
173         int ret;
174
175         if (!machine_is_tavorevb3())
176                 return -ENODEV;
177         evb3_snd_device = platform_device_alloc("soc-audio", -1);
178         if (!evb3_snd_device)
179                 return -ENOMEM;
180
181         platform_set_drvdata(evb3_snd_device, &snd_soc_card_evb3);
182
183         ret = platform_device_add(evb3_snd_device);
184         if (ret)
185                 platform_device_put(evb3_snd_device);
186
187         return ret;
188 }
189
190 static void __exit tavorevb3_exit(void)
191 {
192         platform_device_unregister(evb3_snd_device);
193 }
194
195 module_init(tavorevb3_init);
196 module_exit(tavorevb3_exit);
197
198 MODULE_AUTHOR("Haojian Zhuang <haojian.zhuang@marvell.com>");
199 MODULE_DESCRIPTION("ALSA SoC 88PM860x Tavor EVB3");
200 MODULE_LICENSE("GPL");