arch/arm/plat-s3c64xx/dev-audio.c

   1 /* linux/arch/arm/plat-s3c/dev-audio.c
   2  *
   3  * Copyright 2009 Wolfson Microelectronics
   4  *      Mark Brown <broonie@opensource.wolfsonmicro.com>
   5  *
   6
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License version 2 as
   9  * published by the Free Software Foundation.
  10  */
  11
  12 #include <linux/kernel.h>
  13 #include <linux/string.h>
  14 #include <linux/platform_device.h>
  15
  16 #include <mach/irqs.h>
  17 #include <mach/map.h>
  18 #include <mach/dma.h>
  19 #include <mach/gpio.h>
  20
  21 #include <plat/devs.h>
  22 #include <plat/audio.h>
  23 #include <plat/gpio-bank-d.h>
  24 #include <plat/gpio-bank-e.h>
  25 #include <plat/gpio-cfg.h>
  26
  27 static struct resource s3c64xx_iis0_resource[] = {
  28         [0] = {
  29                 .start = S3C64XX_PA_IIS0,
  30                 .end   = S3C64XX_PA_IIS0 + 0x100 - 1,
  31                 .flags = IORESOURCE_MEM,
  32         },
  33 };
  34
  35 struct platform_device s3c64xx_device_iis0 = {
  36         .name             = "s3c64xx-iis",
  37         .id               = 0,
  38         .num_resources    = ARRAY_SIZE(s3c64xx_iis0_resource),
  39         .resource         = s3c64xx_iis0_resource,
  40 };
  41 EXPORT_SYMBOL(s3c64xx_device_iis0);
  42
  43 static struct resource s3c64xx_iis1_resource[] = {
  44         [0] = {
  45                 .start = S3C64XX_PA_IIS1,
  46                 .end   = S3C64XX_PA_IIS1 + 0x100 - 1,
  47                 .flags = IORESOURCE_MEM,
  48         },
  49 };
  50
  51 struct platform_device s3c64xx_device_iis1 = {
  52         .name             = "s3c64xx-iis",
  53         .id               = 1,
  54         .num_resources    = ARRAY_SIZE(s3c64xx_iis1_resource),
  55         .resource         = s3c64xx_iis1_resource,
  56 };
  57 EXPORT_SYMBOL(s3c64xx_device_iis1);
  58
  59 static struct resource s3c64xx_iisv4_resource[] = {
  60         [0] = {
  61                 .start = S3C64XX_PA_IISV4,
  62                 .end   = S3C64XX_PA_IISV4 + 0x100 - 1,
  63                 .flags = IORESOURCE_MEM,
  64         },
  65 };
  66
  67 struct platform_device s3c64xx_device_iisv4 = {
  68         .name             = "s3c64xx-iis-v4",
  69         .id               = -1,
  70         .num_resources    = ARRAY_SIZE(s3c64xx_iisv4_resource),
  71         .resource         = s3c64xx_iisv4_resource,
  72 };
  73 EXPORT_SYMBOL(s3c64xx_device_iisv4);
  74
  75
  76 /* PCM Controller platform_devices */
  77
  78 static int s3c64xx_pcm_cfg_gpio(struct platform_device *pdev)
  79 {
  80         switch (pdev->id) {
  81         case 0:
  82                 s3c_gpio_cfgpin(S3C64XX_GPD(0), S3C64XX_GPD0_PCM0_SCLK);
  83                 s3c_gpio_cfgpin(S3C64XX_GPD(1), S3C64XX_GPD1_PCM0_EXTCLK);
  84                 s3c_gpio_cfgpin(S3C64XX_GPD(2), S3C64XX_GPD2_PCM0_FSYNC);
  85                 s3c_gpio_cfgpin(S3C64XX_GPD(3), S3C64XX_GPD3_PCM0_SIN);
  86                 s3c_gpio_cfgpin(S3C64XX_GPD(4), S3C64XX_GPD4_PCM0_SOUT);
  87                 break;
  88         case 1:
  89                 s3c_gpio_cfgpin(S3C64XX_GPE(0), S3C64XX_GPE0_PCM1_SCLK);
  90                 s3c_gpio_cfgpin(S3C64XX_GPE(1), S3C64XX_GPE1_PCM1_EXTCLK);
  91                 s3c_gpio_cfgpin(S3C64XX_GPE(2), S3C64XX_GPE2_PCM1_FSYNC);
  92                 s3c_gpio_cfgpin(S3C64XX_GPE(3), S3C64XX_GPE3_PCM1_SIN);
  93                 s3c_gpio_cfgpin(S3C64XX_GPE(4), S3C64XX_GPE4_PCM1_SOUT);
  94                 break;
  95         default:
  96                 printk(KERN_DEBUG "Invalid PCM Controller number!");
  97                 return -EINVAL;
  98         }
  99
 100         return 0;
 101 }
 102
 103 static struct resource s3c64xx_pcm0_resource[] = {
 104         [0] = {
 105                 .start = S3C64XX_PA_PCM0,
 106                 .end   = S3C64XX_PA_PCM0 + 0x100 - 1,
 107                 .flags = IORESOURCE_MEM,
 108         },
 109         [1] = {
 110                 .start = DMACH_PCM0_TX,
 111                 .end   = DMACH_PCM0_TX,
 112                 .flags = IORESOURCE_DMA,
 113         },
 114         [2] = {
 115                 .start = DMACH_PCM0_RX,
 116                 .end   = DMACH_PCM0_RX,
 117                 .flags = IORESOURCE_DMA,
 118         },
 119 };
 120
 121 static struct s3c_audio_pdata s3c_pcm0_pdata = {
 122         .cfg_gpio = s3c64xx_pcm_cfg_gpio,
 123 };
 124
 125 struct platform_device s3c64xx_device_pcm0 = {
 126         .name             = "samsung-pcm",
 127         .id               = 0,
 128         .num_resources    = ARRAY_SIZE(s3c64xx_pcm0_resource),
 129         .resource         = s3c64xx_pcm0_resource,
 130         .dev = {
 131                 .platform_data = &s3c_pcm0_pdata,
 132         },
 133 };
 134 EXPORT_SYMBOL(s3c64xx_device_pcm0);
 135
 136 static struct resource s3c64xx_pcm1_resource[] = {
 137         [0] = {
 138                 .start = S3C64XX_PA_PCM1,
 139                 .end   = S3C64XX_PA_PCM1 + 0x100 - 1,
 140                 .flags = IORESOURCE_MEM,
 141         },
 142         [1] = {
 143                 .start = DMACH_PCM1_TX,
 144                 .end   = DMACH_PCM1_TX,
 145                 .flags = IORESOURCE_DMA,
 146         },
 147         [2] = {
 148                 .start = DMACH_PCM1_RX,
 149                 .end   = DMACH_PCM1_RX,
 150                 .flags = IORESOURCE_DMA,
 151         },
 152 };
 153
 154 static struct s3c_audio_pdata s3c_pcm1_pdata = {
 155         .cfg_gpio = s3c64xx_pcm_cfg_gpio,
 156 };
 157
 158 struct platform_device s3c64xx_device_pcm1 = {
 159         .name             = "samsung-pcm",
 160         .id               = 1,
 161         .num_resources    = ARRAY_SIZE(s3c64xx_pcm1_resource),
 162         .resource         = s3c64xx_pcm1_resource,
 163         .dev = {
 164                 .platform_data = &s3c_pcm1_pdata,
 165         },
 166 };
 167 EXPORT_SYMBOL(s3c64xx_device_pcm1);