arch/arm/mach-s5p6442/dev-audio.c

   1 /* linux/arch/arm/mach-s5p6442/dev-audio.c
   2  *
   3  * Copyright (c) 2010 Samsung Electronics Co. Ltd
   4  *      Jaswinder Singh <jassi.brar@samsung.com>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 2 as
   8  * published by the Free Software Foundation.
   9  */
  10
  11 #include <linux/platform_device.h>
  12 #include <linux/dma-mapping.h>
  13
  14 #include <plat/gpio-cfg.h>
  15 #include <plat/audio.h>
  16
  17 #include <mach/gpio.h>
  18 #include <mach/map.h>
  19 #include <mach/dma.h>
  20 #include <mach/irqs.h>
  21
  22 static int s5p6442_cfg_i2s(struct platform_device *pdev)
  23 {
  24         /* configure GPIO for i2s port */
  25         switch (pdev->id) {
  26         case 1:
  27                 s3c_gpio_cfgpin(S5P6442_GPC1(0), S3C_GPIO_SFN(2));
  28                 s3c_gpio_cfgpin(S5P6442_GPC1(1), S3C_GPIO_SFN(2));
  29                 s3c_gpio_cfgpin(S5P6442_GPC1(2), S3C_GPIO_SFN(2));
  30                 s3c_gpio_cfgpin(S5P6442_GPC1(3), S3C_GPIO_SFN(2));
  31                 s3c_gpio_cfgpin(S5P6442_GPC1(4), S3C_GPIO_SFN(2));
  32                 break;
  33
  34         case -1:
  35                 s3c_gpio_cfgpin(S5P6442_GPC0(0), S3C_GPIO_SFN(2));
  36                 s3c_gpio_cfgpin(S5P6442_GPC0(1), S3C_GPIO_SFN(2));
  37                 s3c_gpio_cfgpin(S5P6442_GPC0(2), S3C_GPIO_SFN(2));
  38                 s3c_gpio_cfgpin(S5P6442_GPC0(3), S3C_GPIO_SFN(2));
  39                 s3c_gpio_cfgpin(S5P6442_GPC0(4), S3C_GPIO_SFN(2));
  40                 break;
  41
  42         default:
  43                 printk(KERN_ERR "Invalid Device %d\n", pdev->id);
  44                 return -EINVAL;
  45         }
  46
  47         return 0;
  48 }
  49
  50 static struct s3c_audio_pdata s3c_i2s_pdata = {
  51         .cfg_gpio = s5p6442_cfg_i2s,
  52 };
  53
  54 static struct resource s5p6442_iis0_resource[] = {
  55         [0] = {
  56                 .start = S5P6442_PA_I2S0,
  57                 .end   = S5P6442_PA_I2S0 + 0x100 - 1,
  58                 .flags = IORESOURCE_MEM,
  59         },
  60         [1] = {
  61                 .start = DMACH_I2S0_TX,
  62                 .end   = DMACH_I2S0_TX,
  63                 .flags = IORESOURCE_DMA,
  64         },
  65         [2] = {
  66                 .start = DMACH_I2S0_RX,
  67                 .end   = DMACH_I2S0_RX,
  68                 .flags = IORESOURCE_DMA,
  69         },
  70 };
  71
  72 struct platform_device s5p6442_device_iis0 = {
  73         .name             = "s3c64xx-iis-v4",
  74         .id               = -1,
  75         .num_resources    = ARRAY_SIZE(s5p6442_iis0_resource),
  76         .resource         = s5p6442_iis0_resource,
  77         .dev = {
  78                 .platform_data = &s3c_i2s_pdata,
  79         },
  80 };
  81
  82 static struct resource s5p6442_iis1_resource[] = {
  83         [0] = {
  84                 .start = S5P6442_PA_I2S1,
  85                 .end   = S5P6442_PA_I2S1 + 0x100 - 1,
  86                 .flags = IORESOURCE_MEM,
  87         },
  88         [1] = {
  89                 .start = DMACH_I2S1_TX,
  90                 .end   = DMACH_I2S1_TX,
  91                 .flags = IORESOURCE_DMA,
  92         },
  93         [2] = {
  94                 .start = DMACH_I2S1_RX,
  95                 .end   = DMACH_I2S1_RX,
  96                 .flags = IORESOURCE_DMA,
  97         },
  98 };
  99
 100 struct platform_device s5p6442_device_iis1 = {
 101         .name             = "s3c64xx-iis",
 102         .id               = 1,
 103         .num_resources    = ARRAY_SIZE(s5p6442_iis1_resource),
 104         .resource         = s5p6442_iis1_resource,
 105         .dev = {
 106                 .platform_data = &s3c_i2s_pdata,
 107         },
 108 };
 109
 110 /* PCM Controller platform_devices */
 111
 112 static int s5p6442_pcm_cfg_gpio(struct platform_device *pdev)
 113 {
 114         switch (pdev->id) {
 115         case 0:
 116                 s3c_gpio_cfgpin(S5P6442_GPC0(0), S3C_GPIO_SFN(3));
 117                 s3c_gpio_cfgpin(S5P6442_GPC0(1), S3C_GPIO_SFN(3));
 118                 s3c_gpio_cfgpin(S5P6442_GPC0(2), S3C_GPIO_SFN(3));
 119                 s3c_gpio_cfgpin(S5P6442_GPC0(3), S3C_GPIO_SFN(3));
 120                 s3c_gpio_cfgpin(S5P6442_GPC0(4), S3C_GPIO_SFN(3));
 121                 break;
 122
 123         case 1:
 124                 s3c_gpio_cfgpin(S5P6442_GPC1(0), S3C_GPIO_SFN(3));
 125                 s3c_gpio_cfgpin(S5P6442_GPC1(1), S3C_GPIO_SFN(3));
 126                 s3c_gpio_cfgpin(S5P6442_GPC1(2), S3C_GPIO_SFN(3));
 127                 s3c_gpio_cfgpin(S5P6442_GPC1(3), S3C_GPIO_SFN(3));
 128                 s3c_gpio_cfgpin(S5P6442_GPC1(4), S3C_GPIO_SFN(3));
 129                 break;
 130
 131         default:
 132                 printk(KERN_DEBUG "Invalid PCM Controller number!");
 133                 return -EINVAL;
 134         }
 135
 136         return 0;
 137 }
 138
 139 static struct s3c_audio_pdata s3c_pcm_pdata = {
 140         .cfg_gpio = s5p6442_pcm_cfg_gpio,
 141 };
 142
 143 static struct resource s5p6442_pcm0_resource[] = {
 144         [0] = {
 145                 .start = S5P6442_PA_PCM0,
 146                 .end   = S5P6442_PA_PCM0 + 0x100 - 1,
 147                 .flags = IORESOURCE_MEM,
 148         },
 149         [1] = {
 150                 .start = DMACH_PCM0_TX,
 151                 .end   = DMACH_PCM0_TX,
 152                 .flags = IORESOURCE_DMA,
 153         },
 154         [2] = {
 155                 .start = DMACH_PCM0_RX,
 156                 .end   = DMACH_PCM0_RX,
 157                 .flags = IORESOURCE_DMA,
 158         },
 159 };
 160
 161 struct platform_device s5p6442_device_pcm0 = {
 162         .name             = "samsung-pcm",
 163         .id               = 0,
 164         .num_resources    = ARRAY_SIZE(s5p6442_pcm0_resource),
 165         .resource         = s5p6442_pcm0_resource,
 166         .dev = {
 167                 .platform_data = &s3c_pcm_pdata,
 168         },
 169 };
 170
 171 static struct resource s5p6442_pcm1_resource[] = {
 172         [0] = {
 173                 .start = S5P6442_PA_PCM1,
 174                 .end   = S5P6442_PA_PCM1 + 0x100 - 1,
 175                 .flags = IORESOURCE_MEM,
 176         },
 177         [1] = {
 178                 .start = DMACH_PCM1_TX,
 179                 .end   = DMACH_PCM1_TX,
 180                 .flags = IORESOURCE_DMA,
 181         },
 182         [2] = {
 183                 .start = DMACH_PCM1_RX,
 184                 .end   = DMACH_PCM1_RX,
 185                 .flags = IORESOURCE_DMA,
 186         },
 187 };
 188
 189 struct platform_device s5p6442_device_pcm1 = {
 190         .name             = "samsung-pcm",
 191         .id               = 1,
 192         .num_resources    = ARRAY_SIZE(s5p6442_pcm1_resource),
 193         .resource         = s5p6442_pcm1_resource,
 194         .dev = {
 195                 .platform_data = &s3c_pcm_pdata,
 196         },
 197 };