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-rw-r--r--sound/soc/fsl/imx-mc13783.c173
1 files changed, 173 insertions, 0 deletions
diff --git a/sound/soc/fsl/imx-mc13783.c b/sound/soc/fsl/imx-mc13783.c
new file mode 100644
index 000000000000..549b31fdc9dd
--- /dev/null
+++ b/sound/soc/fsl/imx-mc13783.c
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1/*
2 * imx-mc13783.c -- SoC audio for imx based boards with mc13783 codec
3 *
4 * Copyright 2012 Philippe Retornaz, <philippe.retornaz@epfl.ch>
5 *
6 * Heavly based on phycore-mc13783:
7 * Copyright 2009 Sascha Hauer, Pengutronix <s.hauer@pengutronix.de>
8 *
9 * This program is free software; you can redistribute it and/or modify it
10 * under the terms of the GNU General Public License as published by the
11 * Free Software Foundation; either version 2 of the License, or (at your
12 * option) any later version.
13 *
14 */
15
16#include <linux/module.h>
17#include <linux/moduleparam.h>
18#include <linux/device.h>
19#include <sound/core.h>
20#include <sound/pcm.h>
21#include <sound/soc.h>
22#include <sound/soc-dapm.h>
23#include <asm/mach-types.h>
24
25#include "../codecs/mc13783.h"
26#include "imx-ssi.h"
27#include "imx-audmux.h"
28
29#define FMT_SSI (SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_NB_NF | \
30 SND_SOC_DAIFMT_CBM_CFM)
31
32static int imx_mc13783_hifi_hw_params(struct snd_pcm_substream *substream,
33 struct snd_pcm_hw_params *params)
34{
35 struct snd_soc_pcm_runtime *rtd = substream->private_data;
36 struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
37 struct snd_soc_dai *codec_dai = rtd->codec_dai;
38 int ret;
39
40 ret = snd_soc_dai_set_tdm_slot(codec_dai, 0xfffffffc, 0xfffffffc,
41 4, 16);
42 if (ret)
43 return ret;
44
45 ret = snd_soc_dai_set_sysclk(codec_dai, MC13783_CLK_CLIA, 26000000, 0);
46 if (ret)
47 return ret;
48
49 ret = snd_soc_dai_set_tdm_slot(cpu_dai, 0x0, 0xfffffffc, 2, 16);
50 if (ret)
51 return ret;
52
53 return 0;
54}
55
56static struct snd_soc_ops imx_mc13783_hifi_ops = {
57 .hw_params = imx_mc13783_hifi_hw_params,
58};
59
60static struct snd_soc_dai_link imx_mc13783_dai_mc13783[] = {
61 {
62 .name = "MC13783",
63 .stream_name = "Sound",
64 .codec_dai_name = "mc13783-hifi",
65 .codec_name = "mc13783-codec",
66 .cpu_dai_name = "imx-ssi.0",
67 .platform_name = "imx-pcm-audio.0",
68 .ops = &imx_mc13783_hifi_ops,
69 .symmetric_rates = 1,
70 .dai_fmt = FMT_SSI,
71 },
72};
73
74static const struct snd_soc_dapm_widget imx_mc13783_widget[] = {
75 SND_SOC_DAPM_MIC("Mic", NULL),
76 SND_SOC_DAPM_HP("Headphone", NULL),
77 SND_SOC_DAPM_SPK("Speaker", NULL),
78};
79
80static const struct snd_soc_dapm_route imx_mc13783_routes[] = {
81 {"Speaker", NULL, "LSP"},
82 {"Headphone", NULL, "HSL"},
83 {"Headphone", NULL, "HSR"},
84
85 {"MC1LIN", NULL, "MC1 Bias"},
86 {"MC2IN", NULL, "MC2 Bias"},
87 {"MC1 Bias", NULL, "Mic"},
88 {"MC2 Bias", NULL, "Mic"},
89};
90
91static struct snd_soc_card imx_mc13783 = {
92 .name = "imx_mc13783",
93 .dai_link = imx_mc13783_dai_mc13783,
94 .num_links = ARRAY_SIZE(imx_mc13783_dai_mc13783),
95 .dapm_widgets = imx_mc13783_widget,
96 .num_dapm_widgets = ARRAY_SIZE(imx_mc13783_widget),
97 .dapm_routes = imx_mc13783_routes,
98 .num_dapm_routes = ARRAY_SIZE(imx_mc13783_routes),
99};
100
101static int __devinit imx_mc13783_probe(struct platform_device *pdev)
102{
103 int ret;
104
105 imx_mc13783.dev = &pdev->dev;
106
107 ret = snd_soc_register_card(&imx_mc13783);
108 if (ret) {
109 dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n",
110 ret);
111 return ret;
112 }
113
114 if (machine_is_mx31_3ds()) {
115 imx_audmux_v2_configure_port(MX31_AUDMUX_PORT4_SSI_PINS_4,
116 IMX_AUDMUX_V2_PTCR_SYN,
117 IMX_AUDMUX_V2_PDCR_RXDSEL(MX31_AUDMUX_PORT1_SSI0) |
118 IMX_AUDMUX_V2_PDCR_MODE(1) |
119 IMX_AUDMUX_V2_PDCR_INMMASK(0xfc));
120 imx_audmux_v2_configure_port(MX31_AUDMUX_PORT1_SSI0,
121 IMX_AUDMUX_V2_PTCR_SYN |
122 IMX_AUDMUX_V2_PTCR_TFSDIR |
123 IMX_AUDMUX_V2_PTCR_TFSEL(MX31_AUDMUX_PORT4_SSI_PINS_4) |
124 IMX_AUDMUX_V2_PTCR_TCLKDIR |
125 IMX_AUDMUX_V2_PTCR_TCSEL(MX31_AUDMUX_PORT4_SSI_PINS_4) |
126 IMX_AUDMUX_V2_PTCR_RFSDIR |
127 IMX_AUDMUX_V2_PTCR_RFSEL(MX31_AUDMUX_PORT4_SSI_PINS_4) |
128 IMX_AUDMUX_V2_PTCR_RCLKDIR |
129 IMX_AUDMUX_V2_PTCR_RCSEL(MX31_AUDMUX_PORT4_SSI_PINS_4),
130 IMX_AUDMUX_V2_PDCR_RXDSEL(MX31_AUDMUX_PORT4_SSI_PINS_4));
131 } else if (machine_is_mx27_3ds()) {
132 imx_audmux_v1_configure_port(MX27_AUDMUX_HPCR1_SSI0,
133 IMX_AUDMUX_V1_PCR_SYN |
134 IMX_AUDMUX_V1_PCR_TFSDIR |
135 IMX_AUDMUX_V1_PCR_TCLKDIR |
136 IMX_AUDMUX_V1_PCR_RFSDIR |
137 IMX_AUDMUX_V1_PCR_RCLKDIR |
138 IMX_AUDMUX_V1_PCR_TFCSEL(MX27_AUDMUX_HPCR3_SSI_PINS_4) |
139 IMX_AUDMUX_V1_PCR_RFCSEL(MX27_AUDMUX_HPCR3_SSI_PINS_4) |
140 IMX_AUDMUX_V1_PCR_RXDSEL(MX27_AUDMUX_HPCR3_SSI_PINS_4)
141 );
142 imx_audmux_v1_configure_port(MX27_AUDMUX_HPCR3_SSI_PINS_4,
143 IMX_AUDMUX_V1_PCR_SYN |
144 IMX_AUDMUX_V1_PCR_RXDSEL(MX27_AUDMUX_HPCR1_SSI0)
145 );
146 }
147
148 return ret;
149}
150
151static int __devexit imx_mc13783_remove(struct platform_device *pdev)
152{
153 snd_soc_unregister_card(&imx_mc13783);
154
155 return 0;
156}
157
158static struct platform_driver imx_mc13783_audio_driver = {
159 .driver = {
160 .name = "imx_mc13783",
161 .owner = THIS_MODULE,
162 },
163 .probe = imx_mc13783_probe,
164 .remove = __devexit_p(imx_mc13783_remove)
165};
166
167module_platform_driver(imx_mc13783_audio_driver);
168
169MODULE_AUTHOR("Sascha Hauer <s.hauer@pengutronix.de>");
170MODULE_AUTHOR("Philippe Retornaz <philippe.retornaz@epfl.ch");
171MODULE_DESCRIPTION("imx with mc13783 codec ALSA SoC driver");
172MODULE_LICENSE("GPL");
173MODULE_ALIAS("platform:imx_mc13783");
generated by cgit v1.2.2 (git 2.25.0) at 2025-03-04 12:44:12 -0500