sound/soc/fsl/imx-mc13783.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 //
   3 // imx-mc13783.c  --  SoC audio for imx based boards with mc13783 codec
   4 //
   5 // Copyright 2012 Philippe Retornaz, <philippe.retornaz@epfl.ch>
   6 //
   7 // Heavly based on phycore-mc13783:
   8 // Copyright 2009 Sascha Hauer, Pengutronix <s.hauer@pengutronix.de>
   9
  10 #include <linux/module.h>
  11 #include <linux/moduleparam.h>
  12 #include <linux/device.h>
  13 #include <sound/core.h>
  14 #include <sound/pcm.h>
  15 #include <sound/soc.h>
  16 #include <sound/soc-dapm.h>
  17 #include <asm/mach-types.h>
  18
  19 #include "../codecs/mc13783.h"
  20 #include "imx-ssi.h"
  21 #include "imx-audmux.h"
  22
  23 #define FMT_SSI (SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_NB_NF | \
  24                 SND_SOC_DAIFMT_CBM_CFM)
  25
  26 static int imx_mc13783_hifi_hw_params(struct snd_pcm_substream *substream,
  27         struct snd_pcm_hw_params *params)
  28 {
  29         struct snd_soc_pcm_runtime *rtd = substream->private_data;
  30         struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
  31         struct snd_soc_dai *codec_dai = rtd->codec_dai;
  32         int ret;
  33
  34         ret = snd_soc_dai_set_tdm_slot(codec_dai, 0x3, 0x3, 4, 16);
  35         if (ret)
  36                 return ret;
  37
  38         ret = snd_soc_dai_set_sysclk(codec_dai, MC13783_CLK_CLIA, 26000000, 0);
  39         if (ret)
  40                 return ret;
  41
  42         return snd_soc_dai_set_tdm_slot(cpu_dai, 0x3, 0x3, 2, 16);
  43 }
  44
  45 static const struct snd_soc_ops imx_mc13783_hifi_ops = {
  46         .hw_params = imx_mc13783_hifi_hw_params,
  47 };
  48
  49 static struct snd_soc_dai_link imx_mc13783_dai_mc13783[] = {
  50         {
  51                 .name = "MC13783",
  52                 .stream_name     = "Sound",
  53                 .codec_dai_name  = "mc13783-hifi",
  54                 .codec_name      = "mc13783-codec",
  55                 .cpu_dai_name    = "imx-ssi.0",
  56                 .platform_name   = "imx-ssi.0",
  57                 .ops             = &imx_mc13783_hifi_ops,
  58                 .symmetric_rates = 1,
  59                 .dai_fmt         = FMT_SSI,
  60         },
  61 };
  62
  63 static const struct snd_soc_dapm_widget imx_mc13783_widget[] = {
  64         SND_SOC_DAPM_MIC("Mic", NULL),
  65         SND_SOC_DAPM_HP("Headphone", NULL),
  66         SND_SOC_DAPM_SPK("Speaker", NULL),
  67 };
  68
  69 static const struct snd_soc_dapm_route imx_mc13783_routes[] = {
  70         {"Speaker", NULL, "LSP"},
  71         {"Headphone", NULL, "HSL"},
  72         {"Headphone", NULL, "HSR"},
  73
  74         {"MC1LIN", NULL, "MC1 Bias"},
  75         {"MC2IN", NULL, "MC2 Bias"},
  76         {"MC1 Bias", NULL, "Mic"},
  77         {"MC2 Bias", NULL, "Mic"},
  78 };
  79
  80 static struct snd_soc_card imx_mc13783 = {
  81         .name           = "imx_mc13783",
  82         .owner          = THIS_MODULE,
  83         .dai_link       = imx_mc13783_dai_mc13783,
  84         .num_links      = ARRAY_SIZE(imx_mc13783_dai_mc13783),
  85         .dapm_widgets   = imx_mc13783_widget,
  86         .num_dapm_widgets = ARRAY_SIZE(imx_mc13783_widget),
  87         .dapm_routes    = imx_mc13783_routes,
  88         .num_dapm_routes = ARRAY_SIZE(imx_mc13783_routes),
  89 };
  90
  91 static int imx_mc13783_probe(struct platform_device *pdev)
  92 {
  93         int ret;
  94
  95         imx_mc13783.dev = &pdev->dev;
  96
  97         ret = snd_soc_register_card(&imx_mc13783);
  98         if (ret) {
  99                 dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n",
 100                         ret);
 101                 return ret;
 102         }
 103
 104         if (machine_is_mx31_3ds() || machine_is_mx31moboard()) {
 105                 imx_audmux_v2_configure_port(MX31_AUDMUX_PORT4_SSI_PINS_4,
 106                         IMX_AUDMUX_V2_PTCR_SYN,
 107                         IMX_AUDMUX_V2_PDCR_RXDSEL(MX31_AUDMUX_PORT1_SSI0) |
 108                         IMX_AUDMUX_V2_PDCR_MODE(1) |
 109                         IMX_AUDMUX_V2_PDCR_INMMASK(0xfc));
 110                 imx_audmux_v2_configure_port(MX31_AUDMUX_PORT1_SSI0,
 111                         IMX_AUDMUX_V2_PTCR_SYN |
 112                         IMX_AUDMUX_V2_PTCR_TFSDIR |
 113                         IMX_AUDMUX_V2_PTCR_TFSEL(MX31_AUDMUX_PORT4_SSI_PINS_4) |
 114                         IMX_AUDMUX_V2_PTCR_TCLKDIR |
 115                         IMX_AUDMUX_V2_PTCR_TCSEL(MX31_AUDMUX_PORT4_SSI_PINS_4) |
 116                         IMX_AUDMUX_V2_PTCR_RFSDIR |
 117                         IMX_AUDMUX_V2_PTCR_RFSEL(MX31_AUDMUX_PORT4_SSI_PINS_4) |
 118                         IMX_AUDMUX_V2_PTCR_RCLKDIR |
 119                         IMX_AUDMUX_V2_PTCR_RCSEL(MX31_AUDMUX_PORT4_SSI_PINS_4),
 120                         IMX_AUDMUX_V2_PDCR_RXDSEL(MX31_AUDMUX_PORT4_SSI_PINS_4));
 121         } else if (machine_is_mx27_3ds()) {
 122                 imx_audmux_v1_configure_port(MX27_AUDMUX_HPCR1_SSI0,
 123                         IMX_AUDMUX_V1_PCR_SYN |
 124                         IMX_AUDMUX_V1_PCR_TFSDIR |
 125                         IMX_AUDMUX_V1_PCR_TCLKDIR |
 126                         IMX_AUDMUX_V1_PCR_RFSDIR |
 127                         IMX_AUDMUX_V1_PCR_RCLKDIR |
 128                         IMX_AUDMUX_V1_PCR_TFCSEL(MX27_AUDMUX_HPCR3_SSI_PINS_4) |
 129                         IMX_AUDMUX_V1_PCR_RFCSEL(MX27_AUDMUX_HPCR3_SSI_PINS_4) |
 130                         IMX_AUDMUX_V1_PCR_RXDSEL(MX27_AUDMUX_HPCR3_SSI_PINS_4)
 131                 );
 132                 imx_audmux_v1_configure_port(MX27_AUDMUX_HPCR3_SSI_PINS_4,
 133                         IMX_AUDMUX_V1_PCR_SYN |
 134                         IMX_AUDMUX_V1_PCR_RXDSEL(MX27_AUDMUX_HPCR1_SSI0)
 135                 );
 136         }
 137
 138         return ret;
 139 }
 140
 141 static int imx_mc13783_remove(struct platform_device *pdev)
 142 {
 143         snd_soc_unregister_card(&imx_mc13783);
 144
 145         return 0;
 146 }
 147
 148 static struct platform_driver imx_mc13783_audio_driver = {
 149         .driver = {
 150                 .name = "imx_mc13783",
 151         },
 152         .probe = imx_mc13783_probe,
 153         .remove = imx_mc13783_remove
 154 };
 155
 156 module_platform_driver(imx_mc13783_audio_driver);
 157
 158 MODULE_AUTHOR("Sascha Hauer <s.hauer@pengutronix.de>");
 159 MODULE_AUTHOR("Philippe Retornaz <philippe.retornaz@epfl.ch");
 160 MODULE_DESCRIPTION("imx with mc13783 codec ALSA SoC driver");
 161 MODULE_LICENSE("GPL");
 162 MODULE_ALIAS("platform:imx_mc13783");