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 #include <linux/gpio.h>
  14
  15 #include <plat/gpio-cfg.h>
  16 #include <plat/audio.h>
  17
  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         unsigned int base;
  25
  26         /* configure GPIO for i2s port */
  27         switch (pdev->id) {
  28         case 1:
  29                 base = S5P6442_GPC1(0);
  30                 break;
  31
  32         case -1:
  33                 base = S5P6442_GPC0(0);
  34                 break;
  35
  36         default:
  37                 printk(KERN_ERR "Invalid Device %d\n", pdev->id);
  38                 return -EINVAL;
  39         }
  40
  41         s3c_gpio_cfgpin_range(base, 5, S3C_GPIO_SFN(2));
  42         return 0;
  43 }
  44
  45 static struct s3c_audio_pdata s3c_i2s_pdata = {
  46         .cfg_gpio = s5p6442_cfg_i2s,
  47 };
  48
  49 static struct resource s5p6442_iis0_resource[] = {
  50         [0] = {
  51                 .start = S5P6442_PA_I2S0,
  52                 .end   = S5P6442_PA_I2S0 + 0x100 - 1,
  53                 .flags = IORESOURCE_MEM,
  54         },
  55         [1] = {
  56                 .start = DMACH_I2S0_TX,
  57                 .end   = DMACH_I2S0_TX,
  58                 .flags = IORESOURCE_DMA,
  59         },
  60         [2] = {
  61                 .start = DMACH_I2S0_RX,
  62                 .end   = DMACH_I2S0_RX,
  63                 .flags = IORESOURCE_DMA,
  64         },
  65 };
  66
  67 struct platform_device s5p6442_device_iis0 = {
  68         .name             = "s3c64xx-iis-v4",
  69         .id               = -1,
  70         .num_resources    = ARRAY_SIZE(s5p6442_iis0_resource),
  71         .resource         = s5p6442_iis0_resource,
  72         .dev = {
  73                 .platform_data = &s3c_i2s_pdata,
  74         },
  75 };
  76
  77 static struct resource s5p6442_iis1_resource[] = {
  78         [0] = {
  79                 .start = S5P6442_PA_I2S1,
  80                 .end   = S5P6442_PA_I2S1 + 0x100 - 1,
  81                 .flags = IORESOURCE_MEM,
  82         },
  83         [1] = {
  84                 .start = DMACH_I2S1_TX,
  85                 .end   = DMACH_I2S1_TX,
  86                 .flags = IORESOURCE_DMA,
  87         },
  88         [2] = {
  89                 .start = DMACH_I2S1_RX,
  90                 .end   = DMACH_I2S1_RX,
  91                 .flags = IORESOURCE_DMA,
  92         },
  93 };
  94
  95 struct platform_device s5p6442_device_iis1 = {
  96         .name             = "s3c64xx-iis",
  97         .id               = 1,
  98         .num_resources    = ARRAY_SIZE(s5p6442_iis1_resource),
  99         .resource         = s5p6442_iis1_resource,
 100         .dev = {
 101                 .platform_data = &s3c_i2s_pdata,
 102         },
 103 };
 104
 105 /* PCM Controller platform_devices */
 106
 107 static int s5p6442_pcm_cfg_gpio(struct platform_device *pdev)
 108 {
 109         unsigned int base;
 110
 111         switch (pdev->id) {
 112         case 0:
 113                 base = S5P6442_GPC0(0);
 114                 break;
 115
 116         case 1:
 117                 base = S5P6442_GPC1(0);
 118                 break;
 119
 120         default:
 121                 printk(KERN_DEBUG "Invalid PCM Controller number!");
 122                 return -EINVAL;
 123         }
 124
 125         s3c_gpio_cfgpin_range(base, 5, S3C_GPIO_SFN(3));
 126         return 0;
 127 }
 128
 129 static struct s3c_audio_pdata s3c_pcm_pdata = {
 130         .cfg_gpio = s5p6442_pcm_cfg_gpio,
 131 };
 132
 133 static struct resource s5p6442_pcm0_resource[] = {
 134         [0] = {
 135                 .start = S5P6442_PA_PCM0,
 136                 .end   = S5P6442_PA_PCM0 + 0x100 - 1,
 137                 .flags = IORESOURCE_MEM,
 138         },
 139         [1] = {
 140                 .start = DMACH_PCM0_TX,
 141                 .end   = DMACH_PCM0_TX,
 142                 .flags = IORESOURCE_DMA,
 143         },
 144         [2] = {
 145                 .start = DMACH_PCM0_RX,
 146                 .end   = DMACH_PCM0_RX,
 147                 .flags = IORESOURCE_DMA,
 148         },
 149 };
 150
 151 struct platform_device s5p6442_device_pcm0 = {
 152         .name             = "samsung-pcm",
 153         .id               = 0,
 154         .num_resources    = ARRAY_SIZE(s5p6442_pcm0_resource),
 155         .resource         = s5p6442_pcm0_resource,
 156         .dev = {
 157                 .platform_data = &s3c_pcm_pdata,
 158         },
 159 };
 160
 161 static struct resource s5p6442_pcm1_resource[] = {
 162         [0] = {
 163                 .start = S5P6442_PA_PCM1,
 164                 .end   = S5P6442_PA_PCM1 + 0x100 - 1,
 165                 .flags = IORESOURCE_MEM,
 166         },
 167         [1] = {
 168                 .start = DMACH_PCM1_TX,
 169                 .end   = DMACH_PCM1_TX,
 170                 .flags = IORESOURCE_DMA,
 171         },
 172         [2] = {
 173                 .start = DMACH_PCM1_RX,
 174                 .end   = DMACH_PCM1_RX,
 175                 .flags = IORESOURCE_DMA,
 176         },
 177 };
 178
 179 struct platform_device s5p6442_device_pcm1 = {
 180         .name             = "samsung-pcm",
 181         .id               = 1,
 182         .num_resources    = ARRAY_SIZE(s5p6442_pcm1_resource),
 183         .resource         = s5p6442_pcm1_resource,
 184         .dev = {
 185                 .platform_data = &s3c_pcm_pdata,
 186         },
 187 };