Version:  2.0.40 2.2.26 2.4.37 2.6.39 3.0 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9 3.10 3.11 3.12 3.13 3.14 3.15

Linux/sound/soc/fsl/imx-mc13783.c

  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 
 32 static 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 
 56 static struct snd_soc_ops imx_mc13783_hifi_ops = {
 57         .hw_params = imx_mc13783_hifi_hw_params,
 58 };
 59 
 60 static 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-ssi.0",
 68                 .ops             = &imx_mc13783_hifi_ops,
 69                 .symmetric_rates = 1,
 70                 .dai_fmt         = FMT_SSI,
 71         },
 72 };
 73 
 74 static 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 
 80 static 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 
 91 static struct snd_soc_card imx_mc13783 = {
 92         .name           = "imx_mc13783",
 93         .owner          = THIS_MODULE,
 94         .dai_link       = imx_mc13783_dai_mc13783,
 95         .num_links      = ARRAY_SIZE(imx_mc13783_dai_mc13783),
 96         .dapm_widgets   = imx_mc13783_widget,
 97         .num_dapm_widgets = ARRAY_SIZE(imx_mc13783_widget),
 98         .dapm_routes    = imx_mc13783_routes,
 99         .num_dapm_routes = ARRAY_SIZE(imx_mc13783_routes),
100 };
101 
102 static int imx_mc13783_probe(struct platform_device *pdev)
103 {
104         int ret;
105 
106         imx_mc13783.dev = &pdev->dev;
107 
108         ret = snd_soc_register_card(&imx_mc13783);
109         if (ret) {
110                 dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n",
111                         ret);
112                 return ret;
113         }
114 
115         if (machine_is_mx31_3ds() || machine_is_mx31moboard()) {
116                 imx_audmux_v2_configure_port(MX31_AUDMUX_PORT4_SSI_PINS_4,
117                         IMX_AUDMUX_V2_PTCR_SYN,
118                         IMX_AUDMUX_V2_PDCR_RXDSEL(MX31_AUDMUX_PORT1_SSI0) |
119                         IMX_AUDMUX_V2_PDCR_MODE(1) |
120                         IMX_AUDMUX_V2_PDCR_INMMASK(0xfc));
121                 imx_audmux_v2_configure_port(MX31_AUDMUX_PORT1_SSI0,
122                         IMX_AUDMUX_V2_PTCR_SYN |
123                         IMX_AUDMUX_V2_PTCR_TFSDIR |
124                         IMX_AUDMUX_V2_PTCR_TFSEL(MX31_AUDMUX_PORT4_SSI_PINS_4) |
125                         IMX_AUDMUX_V2_PTCR_TCLKDIR |
126                         IMX_AUDMUX_V2_PTCR_TCSEL(MX31_AUDMUX_PORT4_SSI_PINS_4) |
127                         IMX_AUDMUX_V2_PTCR_RFSDIR |
128                         IMX_AUDMUX_V2_PTCR_RFSEL(MX31_AUDMUX_PORT4_SSI_PINS_4) |
129                         IMX_AUDMUX_V2_PTCR_RCLKDIR |
130                         IMX_AUDMUX_V2_PTCR_RCSEL(MX31_AUDMUX_PORT4_SSI_PINS_4),
131                         IMX_AUDMUX_V2_PDCR_RXDSEL(MX31_AUDMUX_PORT4_SSI_PINS_4));
132         } else if (machine_is_mx27_3ds()) {
133                 imx_audmux_v1_configure_port(MX27_AUDMUX_HPCR1_SSI0,
134                         IMX_AUDMUX_V1_PCR_SYN |
135                         IMX_AUDMUX_V1_PCR_TFSDIR |
136                         IMX_AUDMUX_V1_PCR_TCLKDIR |
137                         IMX_AUDMUX_V1_PCR_RFSDIR |
138                         IMX_AUDMUX_V1_PCR_RCLKDIR |
139                         IMX_AUDMUX_V1_PCR_TFCSEL(MX27_AUDMUX_HPCR3_SSI_PINS_4) |
140                         IMX_AUDMUX_V1_PCR_RFCSEL(MX27_AUDMUX_HPCR3_SSI_PINS_4) |
141                         IMX_AUDMUX_V1_PCR_RXDSEL(MX27_AUDMUX_HPCR3_SSI_PINS_4)
142                 );
143                 imx_audmux_v1_configure_port(MX27_AUDMUX_HPCR3_SSI_PINS_4,
144                         IMX_AUDMUX_V1_PCR_SYN |
145                         IMX_AUDMUX_V1_PCR_RXDSEL(MX27_AUDMUX_HPCR1_SSI0)
146                 );
147         }
148 
149         return ret;
150 }
151 
152 static int imx_mc13783_remove(struct platform_device *pdev)
153 {
154         snd_soc_unregister_card(&imx_mc13783);
155 
156         return 0;
157 }
158 
159 static struct platform_driver imx_mc13783_audio_driver = {
160         .driver = {
161                 .name = "imx_mc13783",
162                 .owner = THIS_MODULE,
163         },
164         .probe = imx_mc13783_probe,
165         .remove = imx_mc13783_remove
166 };
167 
168 module_platform_driver(imx_mc13783_audio_driver);
169 
170 MODULE_AUTHOR("Sascha Hauer <s.hauer@pengutronix.de>");
171 MODULE_AUTHOR("Philippe Retornaz <philippe.retornaz@epfl.ch");
172 MODULE_DESCRIPTION("imx with mc13783 codec ALSA SoC driver");
173 MODULE_LICENSE("GPL");
174 MODULE_ALIAS("platform:imx_mc13783");
175 

This page was automatically generated by LXR 0.3.1 (source).  •  Linux is a registered trademark of Linus Torvalds  •  Contact us