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 SND_SOC_DAILINK_DEFS(hifi,
  50         DAILINK_COMP_ARRAY(COMP_CPU("imx-ssi.0")),
  51         DAILINK_COMP_ARRAY(COMP_CODEC("mc13783-codec", "mc13783-hifi")),
  52         DAILINK_COMP_ARRAY(COMP_PLATFORM("imx-ssi.0")));
  53
  54 static struct snd_soc_dai_link imx_mc13783_dai_mc13783[] = {
  55         {
  56                 .name = "MC13783",
  57                 .stream_name     = "Sound",
  58                 .ops             = &imx_mc13783_hifi_ops,
  59                 .symmetric_rates = 1,
  60                 .dai_fmt         = FMT_SSI,
  61                 SND_SOC_DAILINK_REG(hifi),
  62         },
  63 };
  64
  65 static const struct snd_soc_dapm_widget imx_mc13783_widget[] = {
  66         SND_SOC_DAPM_MIC("Mic", NULL),
  67         SND_SOC_DAPM_HP("Headphone", NULL),
  68         SND_SOC_DAPM_SPK("Speaker", NULL),
  69 };
  70
  71 static const struct snd_soc_dapm_route imx_mc13783_routes[] = {
  72         {"Speaker", NULL, "LSP"},
  73         {"Headphone", NULL, "HSL"},
  74         {"Headphone", NULL, "HSR"},
  75
  76         {"MC1LIN", NULL, "MC1 Bias"},
  77         {"MC2IN", NULL, "MC2 Bias"},
  78         {"MC1 Bias", NULL, "Mic"},
  79         {"MC2 Bias", NULL, "Mic"},
  80 };
  81
  82 static struct snd_soc_card imx_mc13783 = {
  83         .name           = "imx_mc13783",
  84         .owner          = THIS_MODULE,
  85         .dai_link       = imx_mc13783_dai_mc13783,
  86         .num_links      = ARRAY_SIZE(imx_mc13783_dai_mc13783),
  87         .dapm_widgets   = imx_mc13783_widget,
  88         .num_dapm_widgets = ARRAY_SIZE(imx_mc13783_widget),
  89         .dapm_routes    = imx_mc13783_routes,
  90         .num_dapm_routes = ARRAY_SIZE(imx_mc13783_routes),
  91 };
  92
  93 static int imx_mc13783_probe(struct platform_device *pdev)
  94 {
  95         int ret;
  96
  97         imx_mc13783.dev = &pdev->dev;
  98
  99         ret = snd_soc_register_card(&imx_mc13783);
 100         if (ret) {
 101                 dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n",
 102                         ret);
 103                 return ret;
 104         }
 105
 106         if (machine_is_mx31_3ds() || machine_is_mx31moboard()) {
 107                 imx_audmux_v2_configure_port(MX31_AUDMUX_PORT4_SSI_PINS_4,
 108                         IMX_AUDMUX_V2_PTCR_SYN,
 109                         IMX_AUDMUX_V2_PDCR_RXDSEL(MX31_AUDMUX_PORT1_SSI0) |
 110                         IMX_AUDMUX_V2_PDCR_MODE(1) |
 111                         IMX_AUDMUX_V2_PDCR_INMMASK(0xfc));
 112                 imx_audmux_v2_configure_port(MX31_AUDMUX_PORT1_SSI0,
 113                         IMX_AUDMUX_V2_PTCR_SYN |
 114                         IMX_AUDMUX_V2_PTCR_TFSDIR |
 115                         IMX_AUDMUX_V2_PTCR_TFSEL(MX31_AUDMUX_PORT4_SSI_PINS_4) |
 116                         IMX_AUDMUX_V2_PTCR_TCLKDIR |
 117                         IMX_AUDMUX_V2_PTCR_TCSEL(MX31_AUDMUX_PORT4_SSI_PINS_4) |
 118                         IMX_AUDMUX_V2_PTCR_RFSDIR |
 119                         IMX_AUDMUX_V2_PTCR_RFSEL(MX31_AUDMUX_PORT4_SSI_PINS_4) |
 120                         IMX_AUDMUX_V2_PTCR_RCLKDIR |
 121                         IMX_AUDMUX_V2_PTCR_RCSEL(MX31_AUDMUX_PORT4_SSI_PINS_4),
 122                         IMX_AUDMUX_V2_PDCR_RXDSEL(MX31_AUDMUX_PORT4_SSI_PINS_4));
 123         } else if (machine_is_mx27_3ds()) {
 124                 imx_audmux_v1_configure_port(MX27_AUDMUX_HPCR1_SSI0,
 125                         IMX_AUDMUX_V1_PCR_SYN |
 126                         IMX_AUDMUX_V1_PCR_TFSDIR |
 127                         IMX_AUDMUX_V1_PCR_TCLKDIR |
 128                         IMX_AUDMUX_V1_PCR_RFSDIR |
 129                         IMX_AUDMUX_V1_PCR_RCLKDIR |
 130                         IMX_AUDMUX_V1_PCR_TFCSEL(MX27_AUDMUX_HPCR3_SSI_PINS_4) |
 131                         IMX_AUDMUX_V1_PCR_RFCSEL(MX27_AUDMUX_HPCR3_SSI_PINS_4) |
 132                         IMX_AUDMUX_V1_PCR_RXDSEL(MX27_AUDMUX_HPCR3_SSI_PINS_4)
 133                 );
 134                 imx_audmux_v1_configure_port(MX27_AUDMUX_HPCR3_SSI_PINS_4,
 135                         IMX_AUDMUX_V1_PCR_SYN |
 136                         IMX_AUDMUX_V1_PCR_RXDSEL(MX27_AUDMUX_HPCR1_SSI0)
 137                 );
 138         }
 139
 140         return ret;
 141 }
 142
 143 static int imx_mc13783_remove(struct platform_device *pdev)
 144 {
 145         snd_soc_unregister_card(&imx_mc13783);
 146
 147         return 0;
 148 }
 149
 150 static struct platform_driver imx_mc13783_audio_driver = {
 151         .driver = {
 152                 .name = "imx_mc13783",
 153         },
 154         .probe = imx_mc13783_probe,
 155         .remove = imx_mc13783_remove
 156 };
 157
 158 module_platform_driver(imx_mc13783_audio_driver);
 159
 160 MODULE_AUTHOR("Sascha Hauer <s.hauer@pengutronix.de>");
 161 MODULE_AUTHOR("Philippe Retornaz <philippe.retornaz@epfl.ch");
 162 MODULE_DESCRIPTION("imx with mc13783 codec ALSA SoC driver");
 163 MODULE_LICENSE("GPL");
 164 MODULE_ALIAS("platform:imx_mc13783");