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
|
/*
* imx-mc13783.c -- SoC audio for imx based boards with mc13783 codec
*
* Copyright 2012 Philippe Retornaz, <philippe.retornaz@epfl.ch>
*
* Heavly based on phycore-mc13783:
* Copyright 2009 Sascha Hauer, Pengutronix <s.hauer@pengutronix.de>
*
* 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 <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/device.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/soc.h>
#include <sound/soc-dapm.h>
#include <asm/mach-types.h>
#include "../codecs/mc13783.h"
#include "imx-ssi.h"
#include "imx-audmux.h"
#define FMT_SSI (SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_NB_NF | \
SND_SOC_DAIFMT_CBM_CFM)
static int imx_mc13783_hifi_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 *cpu_dai = rtd->cpu_dai;
struct snd_soc_dai *codec_dai = rtd->codec_dai;
int ret;
ret = snd_soc_dai_set_tdm_slot(codec_dai, 0xfffffffc, 0xfffffffc,
4, 16);
if (ret)
return ret;
ret = snd_soc_dai_set_sysclk(codec_dai, MC13783_CLK_CLIA, 26000000, 0);
if (ret)
return ret;
ret = snd_soc_dai_set_tdm_slot(cpu_dai, 0x0, 0xfffffffc, 2, 16);
if (ret)
return ret;
return 0;
}
static struct snd_soc_ops imx_mc13783_hifi_ops = {
.hw_params = imx_mc13783_hifi_hw_params,
};
static struct snd_soc_dai_link imx_mc13783_dai_mc13783[] = {
{
.name = "MC13783",
.stream_name = "Sound",
.codec_dai_name = "mc13783-hifi",
.codec_name = "mc13783-codec",
.cpu_dai_name = "imx-ssi.0",
.platform_name = "imx-pcm-audio.0",
.ops = &imx_mc13783_hifi_ops,
.symmetric_rates = 1,
.dai_fmt = FMT_SSI,
},
};
static const struct snd_soc_dapm_widget imx_mc13783_widget[] = {
SND_SOC_DAPM_MIC("Mic", NULL),
SND_SOC_DAPM_HP("Headphone", NULL),
SND_SOC_DAPM_SPK("Speaker", NULL),
};
static const struct snd_soc_dapm_route imx_mc13783_routes[] = {
{"Speaker", NULL, "LSP"},
{"Headphone", NULL, "HSL"},
{"Headphone", NULL, "HSR"},
{"MC1LIN", NULL, "MC1 Bias"},
{"MC2IN", NULL, "MC2 Bias"},
{"MC1 Bias", NULL, "Mic"},
{"MC2 Bias", NULL, "Mic"},
};
static struct snd_soc_card imx_mc13783 = {
.name = "imx_mc13783",
.dai_link = imx_mc13783_dai_mc13783,
.num_links = ARRAY_SIZE(imx_mc13783_dai_mc13783),
.dapm_widgets = imx_mc13783_widget,
.num_dapm_widgets = ARRAY_SIZE(imx_mc13783_widget),
.dapm_routes = imx_mc13783_routes,
.num_dapm_routes = ARRAY_SIZE(imx_mc13783_routes),
};
static int __devinit imx_mc13783_probe(struct platform_device *pdev)
{
int ret;
imx_mc13783.dev = &pdev->dev;
ret = snd_soc_register_card(&imx_mc13783);
if (ret) {
dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n",
ret);
return ret;
}
if (machine_is_mx31_3ds()) {
imx_audmux_v2_configure_port(MX31_AUDMUX_PORT4_SSI_PINS_4,
IMX_AUDMUX_V2_PTCR_SYN,
IMX_AUDMUX_V2_PDCR_RXDSEL(MX31_AUDMUX_PORT1_SSI0) |
IMX_AUDMUX_V2_PDCR_MODE(1) |
IMX_AUDMUX_V2_PDCR_INMMASK(0xfc));
imx_audmux_v2_configure_port(MX31_AUDMUX_PORT1_SSI0,
IMX_AUDMUX_V2_PTCR_SYN |
IMX_AUDMUX_V2_PTCR_TFSDIR |
IMX_AUDMUX_V2_PTCR_TFSEL(MX31_AUDMUX_PORT4_SSI_PINS_4) |
IMX_AUDMUX_V2_PTCR_TCLKDIR |
IMX_AUDMUX_V2_PTCR_TCSEL(MX31_AUDMUX_PORT4_SSI_PINS_4) |
IMX_AUDMUX_V2_PTCR_RFSDIR |
IMX_AUDMUX_V2_PTCR_RFSEL(MX31_AUDMUX_PORT4_SSI_PINS_4) |
IMX_AUDMUX_V2_PTCR_RCLKDIR |
IMX_AUDMUX_V2_PTCR_RCSEL(MX31_AUDMUX_PORT4_SSI_PINS_4),
IMX_AUDMUX_V2_PDCR_RXDSEL(MX31_AUDMUX_PORT4_SSI_PINS_4));
} else if (machine_is_mx27_3ds()) {
imx_audmux_v1_configure_port(MX27_AUDMUX_HPCR1_SSI0,
IMX_AUDMUX_V1_PCR_SYN |
IMX_AUDMUX_V1_PCR_TFSDIR |
IMX_AUDMUX_V1_PCR_TCLKDIR |
IMX_AUDMUX_V1_PCR_RFSDIR |
IMX_AUDMUX_V1_PCR_RCLKDIR |
IMX_AUDMUX_V1_PCR_TFCSEL(MX27_AUDMUX_HPCR3_SSI_PINS_4) |
IMX_AUDMUX_V1_PCR_RFCSEL(MX27_AUDMUX_HPCR3_SSI_PINS_4) |
IMX_AUDMUX_V1_PCR_RXDSEL(MX27_AUDMUX_HPCR3_SSI_PINS_4)
);
imx_audmux_v1_configure_port(MX27_AUDMUX_HPCR3_SSI_PINS_4,
IMX_AUDMUX_V1_PCR_SYN |
IMX_AUDMUX_V1_PCR_RXDSEL(MX27_AUDMUX_HPCR1_SSI0)
);
}
return ret;
}
static int __devexit imx_mc13783_remove(struct platform_device *pdev)
{
snd_soc_unregister_card(&imx_mc13783);
return 0;
}
static struct platform_driver imx_mc13783_audio_driver = {
.driver = {
.name = "imx_mc13783",
.owner = THIS_MODULE,
},
.probe = imx_mc13783_probe,
.remove = __devexit_p(imx_mc13783_remove)
};
module_platform_driver(imx_mc13783_audio_driver);
MODULE_AUTHOR("Sascha Hauer <s.hauer@pengutronix.de>");
MODULE_AUTHOR("Philippe Retornaz <philippe.retornaz@epfl.ch");
MODULE_DESCRIPTION("imx with mc13783 codec ALSA SoC driver");
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:imx_mc13783");
|
