Merge branch 'for-linus' into for-next
[firefly-linux-kernel-4.4.55.git] / sound / soc / pxa / palm27x.c
1 /*
2  * linux/sound/soc/pxa/palm27x.c
3  *
4  * SoC Audio driver for Palm T|X, T5 and LifeDrive
5  *
6  * based on tosa.c
7  *
8  * Copyright (C) 2008 Marek Vasut <marek.vasut@gmail.com>
9  *
10  * This program is free software; you can redistribute it and/or modify
11  * it under the terms of the GNU General Public License version 2 as
12  * published by the Free Software Foundation.
13  *
14  */
15
16 #include <linux/module.h>
17 #include <linux/moduleparam.h>
18 #include <linux/device.h>
19 #include <linux/gpio.h>
20
21 #include <sound/core.h>
22 #include <sound/pcm.h>
23 #include <sound/soc.h>
24 #include <sound/jack.h>
25
26 #include <asm/mach-types.h>
27 #include <mach/audio.h>
28 #include <linux/platform_data/asoc-palm27x.h>
29
30 #include "../codecs/wm9712.h"
31 #include "pxa2xx-ac97.h"
32
33 static struct snd_soc_jack hs_jack;
34
35 /* Headphones jack detection DAPM pins */
36 static struct snd_soc_jack_pin hs_jack_pins[] = {
37         {
38                 .pin    = "Headphone Jack",
39                 .mask   = SND_JACK_HEADPHONE,
40         },
41 };
42
43 /* Headphones jack detection gpios */
44 static struct snd_soc_jack_gpio hs_jack_gpios[] = {
45         [0] = {
46                 /* gpio is set on per-platform basis */
47                 .name           = "hp-gpio",
48                 .report         = SND_JACK_HEADPHONE,
49                 .debounce_time  = 200,
50         },
51 };
52
53 /* Palm27x machine dapm widgets */
54 static const struct snd_soc_dapm_widget palm27x_dapm_widgets[] = {
55         SND_SOC_DAPM_HP("Headphone Jack", NULL),
56         SND_SOC_DAPM_SPK("Ext. Speaker", NULL),
57         SND_SOC_DAPM_MIC("Ext. Microphone", NULL),
58 };
59
60 /* PalmTX audio map */
61 static const struct snd_soc_dapm_route audio_map[] = {
62         /* headphone connected to HPOUTL, HPOUTR */
63         {"Headphone Jack", NULL, "HPOUTL"},
64         {"Headphone Jack", NULL, "HPOUTR"},
65
66         /* ext speaker connected to ROUT2, LOUT2 */
67         {"Ext. Speaker", NULL, "LOUT2"},
68         {"Ext. Speaker", NULL, "ROUT2"},
69
70         /* mic connected to MIC1 */
71         {"MIC1", NULL, "Ext. Microphone"},
72 };
73
74 static struct snd_soc_card palm27x_asoc;
75
76 static int palm27x_ac97_init(struct snd_soc_pcm_runtime *rtd)
77 {
78         int err;
79
80         /* Jack detection API stuff */
81         err = snd_soc_card_jack_new(rtd->card, "Headphone Jack",
82                                     SND_JACK_HEADPHONE, &hs_jack, hs_jack_pins,
83                                     ARRAY_SIZE(hs_jack_pins));
84         if (err)
85                 return err;
86
87         err = snd_soc_jack_add_gpios(&hs_jack, ARRAY_SIZE(hs_jack_gpios),
88                                 hs_jack_gpios);
89
90         return err;
91 }
92
93 static struct snd_soc_dai_link palm27x_dai[] = {
94 {
95         .name = "AC97 HiFi",
96         .stream_name = "AC97 HiFi",
97         .cpu_dai_name = "pxa2xx-ac97",
98         .codec_dai_name =  "wm9712-hifi",
99         .codec_name = "wm9712-codec",
100         .platform_name = "pxa-pcm-audio",
101         .init = palm27x_ac97_init,
102 },
103 {
104         .name = "AC97 Aux",
105         .stream_name = "AC97 Aux",
106         .cpu_dai_name = "pxa2xx-ac97-aux",
107         .codec_dai_name = "wm9712-aux",
108         .codec_name = "wm9712-codec",
109         .platform_name = "pxa-pcm-audio",
110 },
111 };
112
113 static struct snd_soc_card palm27x_asoc = {
114         .name = "Palm/PXA27x",
115         .owner = THIS_MODULE,
116         .dai_link = palm27x_dai,
117         .num_links = ARRAY_SIZE(palm27x_dai),
118         .dapm_widgets = palm27x_dapm_widgets,
119         .num_dapm_widgets = ARRAY_SIZE(palm27x_dapm_widgets),
120         .dapm_routes = audio_map,
121         .num_dapm_routes = ARRAY_SIZE(audio_map),
122         .fully_routed = true,
123 };
124
125 static int palm27x_asoc_probe(struct platform_device *pdev)
126 {
127         int ret;
128
129         if (!(machine_is_palmtx() || machine_is_palmt5() ||
130                 machine_is_palmld() || machine_is_palmte2()))
131                 return -ENODEV;
132
133         if (!pdev->dev.platform_data) {
134                 dev_err(&pdev->dev, "please supply platform_data\n");
135                 return -ENODEV;
136         }
137
138         hs_jack_gpios[0].gpio = ((struct palm27x_asoc_info *)
139                         (pdev->dev.platform_data))->jack_gpio;
140
141         palm27x_asoc.dev = &pdev->dev;
142
143         ret = devm_snd_soc_register_card(&pdev->dev, &palm27x_asoc);
144         if (ret)
145                 dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
146                         ret);
147         return ret;
148 }
149
150 static struct platform_driver palm27x_wm9712_driver = {
151         .probe          = palm27x_asoc_probe,
152         .driver         = {
153                 .name           = "palm27x-asoc",
154                 .pm     = &snd_soc_pm_ops,
155         },
156 };
157
158 module_platform_driver(palm27x_wm9712_driver);
159
160 /* Module information */
161 MODULE_AUTHOR("Marek Vasut <marek.vasut@gmail.com>");
162 MODULE_DESCRIPTION("ALSA SoC Palm T|X, T5 and LifeDrive");
163 MODULE_LICENSE("GPL");