summaryrefslogtreecommitdiffstats
path: root/sound/soc/pxa/tavorevb3.c
blob: 4bef12cd424d96a0bfc45ca8a772f88677acd57e (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
/*
 * tavorevb3.c -- SoC audio for Tavor EVB3
 *
 * Copyright (C) 2010 Marvell International Ltd.
 * 	Haojian Zhuang <haojian.zhuang@marvell.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/device.h>
#include <linux/clk.h>
#include <linux/i2c.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <sound/jack.h>

#include <asm/mach-types.h>

#include "../codecs/88pm860x-codec.h"
#include "pxa-ssp.h"

static int evb3_pm860x_init(struct snd_soc_pcm_runtime *rtd);

static struct platform_device *evb3_snd_device;

static struct snd_soc_jack hs_jack, mic_jack;

static struct snd_soc_jack_pin hs_jack_pins[] = {
	{ .pin = "Headset Stereophone",	.mask = SND_JACK_HEADPHONE, },
};

static struct snd_soc_jack_pin mic_jack_pins[] = {
	{ .pin = "Headset Mic 2",	.mask = SND_JACK_MICROPHONE, },
};

/* tavorevb3 machine dapm widgets */
static const struct snd_soc_dapm_widget evb3_dapm_widgets[] = {
	SND_SOC_DAPM_HP("Headset Stereophone", NULL),
	SND_SOC_DAPM_LINE("Lineout Out 1", NULL),
	SND_SOC_DAPM_LINE("Lineout Out 2", NULL),
	SND_SOC_DAPM_SPK("Ext Speaker", NULL),
	SND_SOC_DAPM_MIC("Ext Mic 1", NULL),
	SND_SOC_DAPM_MIC("Headset Mic 2", NULL),
	SND_SOC_DAPM_MIC("Ext Mic 3", NULL),
};

/* tavorevb3 machine audio map */
static const struct snd_soc_dapm_route audio_map[] = {
	{"Headset Stereophone", NULL, "HS1"},
	{"Headset Stereophone", NULL, "HS2"},

	{"Ext Speaker", NULL, "LSP"},
	{"Ext Speaker", NULL, "LSN"},

	{"Lineout Out 1", NULL, "LINEOUT1"},
	{"Lineout Out 2", NULL, "LINEOUT2"},

	{"MIC1P", NULL, "Mic1 Bias"},
	{"MIC1N", NULL, "Mic1 Bias"},
	{"Mic1 Bias", NULL, "Ext Mic 1"},

	{"MIC2P", NULL, "Mic1 Bias"},
	{"MIC2N", NULL, "Mic1 Bias"},
	{"Mic1 Bias", NULL, "Headset Mic 2"},

	{"MIC3P", NULL, "Mic3 Bias"},
	{"MIC3N", NULL, "Mic3 Bias"},
	{"Mic3 Bias", NULL, "Ext Mic 3"},
};

static int evb3_i2s_hw_params(struct snd_pcm_substream *substream,
			      struct snd_pcm_hw_params *params)
{
	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	struct snd_soc_dai *codec_dai = rtd->codec_dai;
	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
	int width = snd_pcm_format_physical_width(params_format(params));
	int ret;

	ret = snd_soc_dai_set_sysclk(cpu_dai, PXA_SSP_CLK_NET_PLL, 0,
				     PM860X_CLK_DIR_OUT);
	if (ret < 0)
		return ret;

	ret = snd_soc_dai_set_sysclk(codec_dai, 0, 0, PM860X_CLK_DIR_OUT);
	if (ret < 0)
		return ret;

	ret = snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_I2S |
			SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM);
	if (ret < 0)
		return ret;

	ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S |
			SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM);
	if (ret < 0)
		return ret;

	ret = snd_soc_dai_set_tdm_slot(cpu_dai, 3, 3, 2, width);
	return ret;
}

static struct snd_soc_ops evb3_i2s_ops = {
	.hw_params	= evb3_i2s_hw_params,
};

static struct snd_soc_dai_link evb3_dai[] = {
	{
		.name		= "88PM860x I2S",
		.stream_name	= "I2S Audio",
		.cpu_dai_name	= "pxa-ssp-dai.1",
		.codec_dai_name	= "88pm860x-i2s",
		.platform_name	= "pxa-pcm-audio",
		.codec_name	= "88pm860x-codec",
		.init		= evb3_pm860x_init,
		.ops		= &evb3_i2s_ops,
	},
};

static struct snd_soc_card snd_soc_card_evb3 = {
	.name = "Tavor EVB3",
	.owner = THIS_MODULE,
	.dai_link = evb3_dai,
	.num_links = ARRAY_SIZE(evb3_dai),
};

static int evb3_pm860x_init(struct snd_soc_pcm_runtime *rtd)
{
	struct snd_soc_codec *codec = rtd->codec;
	struct snd_soc_dapm_context *dapm = &codec->dapm;
	int ret;

	snd_soc_dapm_new_controls(dapm, evb3_dapm_widgets,
				  ARRAY_SIZE(evb3_dapm_widgets));
	snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map));

	/* connected pins */
	snd_soc_dapm_enable_pin(dapm, "Ext Speaker");
	snd_soc_dapm_enable_pin(dapm, "Ext Mic 1");
	snd_soc_dapm_enable_pin(dapm, "Ext Mic 3");
	snd_soc_dapm_disable_pin(dapm, "Headset Mic 2");
	snd_soc_dapm_disable_pin(dapm, "Headset Stereophone");

	/* Headset jack detection */
	snd_soc_jack_new(codec, "Headphone Jack", SND_JACK_HEADPHONE
			| SND_JACK_BTN_0 | SND_JACK_BTN_1 | SND_JACK_BTN_2,
			&hs_jack);
	snd_soc_jack_add_pins(&hs_jack, ARRAY_SIZE(hs_jack_pins),
			      hs_jack_pins);
	snd_soc_jack_new(codec, "Microphone Jack", SND_JACK_MICROPHONE,
			 &mic_jack);
	snd_soc_jack_add_pins(&mic_jack, ARRAY_SIZE(mic_jack_pins),
			      mic_jack_pins);

	/* headphone, microphone detection & headset short detection */
	pm860x_hs_jack_detect(codec, &hs_jack, SND_JACK_HEADPHONE,
			      SND_JACK_BTN_0, SND_JACK_BTN_1, SND_JACK_BTN_2);
	pm860x_mic_jack_detect(codec, &hs_jack, SND_JACK_MICROPHONE);
	return 0;
}

static int __init tavorevb3_init(void)
{
	int ret;

	if (!machine_is_tavorevb3())
		return -ENODEV;
	evb3_snd_device = platform_device_alloc("soc-audio", -1);
	if (!evb3_snd_device)
		return -ENOMEM;

	platform_set_drvdata(evb3_snd_device, &snd_soc_card_evb3);

	ret = platform_device_add(evb3_snd_device);
	if (ret)
		platform_device_put(evb3_snd_device);

	return ret;
}

static void __exit tavorevb3_exit(void)
{
	platform_device_unregister(evb3_snd_device);
}

module_init(tavorevb3_init);
module_exit(tavorevb3_exit);

MODULE_AUTHOR("Haojian Zhuang <haojian.zhuang@marvell.com>");
MODULE_DESCRIPTION("ALSA SoC 88PM860x Tavor EVB3");
MODULE_LICENSE("GPL");
OpenPOWER on IntegriCloud