summaryrefslogtreecommitdiffstats
path: root/sound/soc/samsung/lowland.c
blob: bd5f0d643a8637436c9e46ff117882b810ec48c8 (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
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
/*
 * Lowland audio support
 *
 * Copyright 2011 Wolfson Microelectronics
 *
 * This program is free software; you can redistribute  it and/or modify it
 * under  the terms of  the GNU General  Public License as published by the
 * Free Software Foundation;  either version 2 of the  License, or (at your
 * option) any later version.
 */

#include <sound/soc.h>
#include <sound/soc-dapm.h>
#include <sound/jack.h>
#include <linux/gpio.h>
#include <linux/module.h>

#include "../codecs/wm5100.h"
#include "../codecs/wm9081.h"

#define MCLK1_RATE (44100 * 512)
#define CLKOUT_RATE (44100 * 256)

static struct snd_soc_jack lowland_headset;

/* Headset jack detection DAPM pins */
static struct snd_soc_jack_pin lowland_headset_pins[] = {
	{
		.pin = "Headphone",
		.mask = SND_JACK_HEADPHONE | SND_JACK_LINEOUT,
	},
	{
		.pin = "Headset Mic",
		.mask = SND_JACK_MICROPHONE,
	},
};

static int lowland_wm5100_init(struct snd_soc_pcm_runtime *rtd)
{
	struct snd_soc_codec *codec = rtd->codec;
	int ret;

	ret = snd_soc_codec_set_sysclk(codec, WM5100_CLK_SYSCLK,
				       WM5100_CLKSRC_MCLK1, MCLK1_RATE,
				       SND_SOC_CLOCK_IN);
	if (ret < 0) {
		pr_err("Failed to set SYSCLK clock source: %d\n", ret);
		return ret;
	}

	/* Clock OPCLK, used by the other audio components. */
	ret = snd_soc_codec_set_sysclk(codec, WM5100_CLK_OPCLK, 0,
				       CLKOUT_RATE, 0);
	if (ret < 0) {
		pr_err("Failed to set OPCLK rate: %d\n", ret);
		return ret;
	}

	ret = snd_soc_jack_new(codec, "Headset",
			       SND_JACK_LINEOUT | SND_JACK_HEADSET |
			       SND_JACK_BTN_0,
			       &lowland_headset);
	if (ret)
		return ret;

	ret = snd_soc_jack_add_pins(&lowland_headset,
				    ARRAY_SIZE(lowland_headset_pins),
				    lowland_headset_pins);
	if (ret)
		return ret;

	wm5100_detect(codec, &lowland_headset);

	return 0;
}

static int lowland_wm9081_init(struct snd_soc_pcm_runtime *rtd)
{
	struct snd_soc_codec *codec = rtd->codec;

	snd_soc_dapm_nc_pin(&codec->dapm, "LINEOUT");

	/* At any time the WM9081 is active it will have this clock */
	return snd_soc_codec_set_sysclk(codec, WM9081_SYSCLK_MCLK, 0,
					CLKOUT_RATE, 0);
}

static const struct snd_soc_pcm_stream sub_params = {
	.formats = SNDRV_PCM_FMTBIT_S32_LE,
	.rate_min = 44100,
	.rate_max = 44100,
	.channels_min = 2,
	.channels_max = 2,
};

static struct snd_soc_dai_link lowland_dai[] = {
	{
		.name = "CPU",
		.stream_name = "CPU",
		.cpu_dai_name = "samsung-i2s.0",
		.codec_dai_name = "wm5100-aif1",
		.platform_name = "samsung-i2s.0",
		.codec_name = "wm5100.1-001a",
		.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
				SND_SOC_DAIFMT_CBM_CFM,
		.init = lowland_wm5100_init,
	},
	{
		.name = "Baseband",
		.stream_name = "Baseband",
		.cpu_dai_name = "wm5100-aif2",
		.codec_dai_name = "wm1250-ev1",
		.codec_name = "wm1250-ev1.1-0027",
		.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
				SND_SOC_DAIFMT_CBM_CFM,
		.ignore_suspend = 1,
	},
	{
		.name = "Sub Speaker",
		.stream_name = "Sub Speaker",
		.cpu_dai_name = "wm5100-aif3",
		.codec_dai_name = "wm9081-hifi",
		.codec_name = "wm9081.1-006c",
		.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
				SND_SOC_DAIFMT_CBM_CFM,
		.ignore_suspend = 1,
		.params = &sub_params,
		.init = lowland_wm9081_init,
	},
};

static struct snd_soc_codec_conf lowland_codec_conf[] = {
	{
		.dev_name = "wm9081.1-006c",
		.name_prefix = "Sub",
	},
};

static const struct snd_kcontrol_new controls[] = {
	SOC_DAPM_PIN_SWITCH("Main Speaker"),
	SOC_DAPM_PIN_SWITCH("Main DMIC"),
	SOC_DAPM_PIN_SWITCH("Main AMIC"),
	SOC_DAPM_PIN_SWITCH("WM1250 Input"),
	SOC_DAPM_PIN_SWITCH("WM1250 Output"),
	SOC_DAPM_PIN_SWITCH("Headphone"),
};

static struct snd_soc_dapm_widget widgets[] = {
	SND_SOC_DAPM_HP("Headphone", NULL),
	SND_SOC_DAPM_MIC("Headset Mic", NULL),

	SND_SOC_DAPM_SPK("Main Speaker", NULL),

	SND_SOC_DAPM_MIC("Main AMIC", NULL),
	SND_SOC_DAPM_MIC("Main DMIC", NULL),
};

static struct snd_soc_dapm_route audio_paths[] = {
	{ "Sub IN1", NULL, "HPOUT2L" },
	{ "Sub IN2", NULL, "HPOUT2R" },

	{ "Main Speaker", NULL, "Sub SPKN" },
	{ "Main Speaker", NULL, "Sub SPKP" },
	{ "Main Speaker", NULL, "SPKDAT1" },
};

static struct snd_soc_card lowland = {
	.name = "Lowland",
	.owner = THIS_MODULE,
	.dai_link = lowland_dai,
	.num_links = ARRAY_SIZE(lowland_dai),
	.codec_conf = lowland_codec_conf,
	.num_configs = ARRAY_SIZE(lowland_codec_conf),

	.controls = controls,
	.num_controls = ARRAY_SIZE(controls),
	.dapm_widgets = widgets,
	.num_dapm_widgets = ARRAY_SIZE(widgets),
	.dapm_routes = audio_paths,
	.num_dapm_routes = ARRAY_SIZE(audio_paths),
};

static int lowland_probe(struct platform_device *pdev)
{
	struct snd_soc_card *card = &lowland;
	int ret;

	card->dev = &pdev->dev;

	ret = devm_snd_soc_register_card(&pdev->dev, card);
	if (ret)
		dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
			ret);

	return ret;
}

static struct platform_driver lowland_driver = {
	.driver = {
		.name = "lowland",
		.owner = THIS_MODULE,
		.pm = &snd_soc_pm_ops,
	},
	.probe = lowland_probe,
};

module_platform_driver(lowland_driver);

MODULE_DESCRIPTION("Lowland audio support");
MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:lowland");
OpenPOWER on IntegriCloud