summaryrefslogtreecommitdiff
path: root/sound/soc/pxa/brownstone.c
blob: f310a8e91bbf0e14a14b99e2496175f46ad3b1da (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
// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * linux/sound/soc/pxa/brownstone.c
 *
 * Copyright (C) 2011 Marvell International Ltd.
 */

#include <linux/module.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/soc.h>
#include <sound/jack.h>

#include "../codecs/wm8994.h"
#include "mmp-sspa.h"

static const struct snd_kcontrol_new brownstone_dapm_control[] = {
	SOC_DAPM_PIN_SWITCH("Ext Spk"),
};

static const struct snd_soc_dapm_widget brownstone_dapm_widgets[] = {
	SND_SOC_DAPM_SPK("Ext Spk", NULL),
	SND_SOC_DAPM_HP("Headset Stereophone", NULL),
	SND_SOC_DAPM_MIC("Headset Mic", NULL),
	SND_SOC_DAPM_MIC("Main Mic", NULL),
};

static const struct snd_soc_dapm_route brownstone_audio_map[] = {
	{"Ext Spk", NULL, "SPKOUTLP"},
	{"Ext Spk", NULL, "SPKOUTLN"},
	{"Ext Spk", NULL, "SPKOUTRP"},
	{"Ext Spk", NULL, "SPKOUTRN"},

	{"Headset Stereophone", NULL, "HPOUT1L"},
	{"Headset Stereophone", NULL, "HPOUT1R"},

	{"IN1RN", NULL, "Headset Mic"},

	{"DMIC1DAT", NULL, "MICBIAS1"},
	{"MICBIAS1", NULL, "Main Mic"},
};

static int brownstone_wm8994_hw_params(struct snd_pcm_substream *substream,
				       struct snd_pcm_hw_params *params)
{
	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
	struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
	struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
	int freq_out, sspa_mclk, sysclk;

	if (params_rate(params) > 11025) {
		freq_out  = params_rate(params) * 512;
		sysclk    = params_rate(params) * 256;
		sspa_mclk = params_rate(params) * 64;
	} else {
		freq_out  = params_rate(params) * 1024;
		sysclk    = params_rate(params) * 512;
		sspa_mclk = params_rate(params) * 64;
	}

	snd_soc_dai_set_sysclk(cpu_dai, MMP_SSPA_CLK_AUDIO, freq_out, 0);
	snd_soc_dai_set_pll(cpu_dai, MMP_SYSCLK, 0, freq_out, sysclk);
	snd_soc_dai_set_pll(cpu_dai, MMP_SSPA_CLK, 0, freq_out, sspa_mclk);

	/* set wm8994 sysclk */
	snd_soc_dai_set_sysclk(codec_dai, WM8994_SYSCLK_MCLK1, sysclk, 0);

	return 0;
}

/* machine stream operations */
static const struct snd_soc_ops brownstone_ops = {
	.hw_params = brownstone_wm8994_hw_params,
};

SND_SOC_DAILINK_DEFS(wm8994,
	DAILINK_COMP_ARRAY(COMP_CPU("mmp-sspa-dai.0")),
	DAILINK_COMP_ARRAY(COMP_CODEC("wm8994-codec", "wm8994-aif1")),
	DAILINK_COMP_ARRAY(COMP_PLATFORM("mmp-pcm-audio")));

static struct snd_soc_dai_link brownstone_wm8994_dai[] = {
{
	.name		= "WM8994",
	.stream_name	= "WM8994 HiFi",
	.dai_fmt	= SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
				SND_SOC_DAIFMT_CBS_CFS,
	.ops		= &brownstone_ops,
	SND_SOC_DAILINK_REG(wm8994),
},
};

/* audio machine driver */
static struct snd_soc_card brownstone = {
	.name         = "brownstone",
	.owner        = THIS_MODULE,
	.dai_link     = brownstone_wm8994_dai,
	.num_links    = ARRAY_SIZE(brownstone_wm8994_dai),

	.controls = brownstone_dapm_control,
	.num_controls = ARRAY_SIZE(brownstone_dapm_control),
	.dapm_widgets = brownstone_dapm_widgets,
	.num_dapm_widgets = ARRAY_SIZE(brownstone_dapm_widgets),
	.dapm_routes = brownstone_audio_map,
	.num_dapm_routes = ARRAY_SIZE(brownstone_audio_map),
	.fully_routed = true,
};

static int brownstone_probe(struct platform_device *pdev)
{
	int ret;

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

static struct platform_driver mmp_driver = {
	.driver		= {
		.name	= "brownstone-audio",
		.pm     = &snd_soc_pm_ops,
	},
	.probe		= brownstone_probe,
};

module_platform_driver(mmp_driver);

MODULE_AUTHOR("Leo Yan <leoy@marvell.com>");
MODULE_DESCRIPTION("ALSA SoC Brownstone");
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:brownstone-audio");