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 0:
  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 const char *rclksrc_v35[] = {
  46         [0] = "busclk",
  47         [1] = "i2sclk",
  48 };
  49
  50 static struct s3c_audio_pdata i2sv35_pdata = {
  51         .cfg_gpio = s5p6442_cfg_i2s,
  52         .type = {
  53                 .i2s = {
  54                         .quirks = QUIRK_SEC_DAI | QUIRK_NEED_RSTCLR,
  55                         .src_clk = rclksrc_v35,
  56                 },
  57         },
  58 };
  59
  60 static struct resource s5p6442_iis0_resource[] = {
  61         [0] = {
  62                 .start = S5P6442_PA_I2S0,
  63                 .end   = S5P6442_PA_I2S0 + 0x100 - 1,
  64                 .flags = IORESOURCE_MEM,
  65         },
  66         [1] = {
  67                 .start = DMACH_I2S0_TX,
  68                 .end   = DMACH_I2S0_TX,
  69                 .flags = IORESOURCE_DMA,
  70         },
  71         [2] = {
  72                 .start = DMACH_I2S0_RX,
  73                 .end   = DMACH_I2S0_RX,
  74                 .flags = IORESOURCE_DMA,
  75         },
  76         [3] = {
  77                 .start = DMACH_I2S0S_TX,
  78                 .end = DMACH_I2S0S_TX,
  79                 .flags = IORESOURCE_DMA,
  80         },
  81 };
  82
  83 struct platform_device s5p6442_device_iis0 = {
  84         .name = "samsung-i2s",
  85         .id = 0,
  86         .num_resources    = ARRAY_SIZE(s5p6442_iis0_resource),
  87         .resource         = s5p6442_iis0_resource,
  88         .dev = {
  89                 .platform_data = &i2sv35_pdata,
  90         },
  91 };
  92
  93 static const char *rclksrc_v3[] = {
  94         [0] = "iis",
  95         [1] = "sclk_audio",
  96 };
  97
  98 static struct s3c_audio_pdata i2sv3_pdata = {
  99         .cfg_gpio = s5p6442_cfg_i2s,
 100         .type = {
 101                 .i2s = {
 102                         .src_clk = rclksrc_v3,
 103                 },
 104         },
 105 };
 106
 107 static struct resource s5p6442_iis1_resource[] = {
 108         [0] = {
 109                 .start = S5P6442_PA_I2S1,
 110                 .end   = S5P6442_PA_I2S1 + 0x100 - 1,
 111                 .flags = IORESOURCE_MEM,
 112         },
 113         [1] = {
 114                 .start = DMACH_I2S1_TX,
 115                 .end   = DMACH_I2S1_TX,
 116                 .flags = IORESOURCE_DMA,
 117         },
 118         [2] = {
 119                 .start = DMACH_I2S1_RX,
 120                 .end   = DMACH_I2S1_RX,
 121                 .flags = IORESOURCE_DMA,
 122         },
 123 };
 124
 125 struct platform_device s5p6442_device_iis1 = {
 126         .name             = "samsung-i2s",
 127         .id               = 1,
 128         .num_resources    = ARRAY_SIZE(s5p6442_iis1_resource),
 129         .resource         = s5p6442_iis1_resource,
 130         .dev = {
 131                 .platform_data = &i2sv3_pdata,
 132         },
 133 };
 134
 135 /* PCM Controller platform_devices */
 136
 137 static int s5p6442_pcm_cfg_gpio(struct platform_device *pdev)
 138 {
 139         unsigned int base;
 140
 141         switch (pdev->id) {
 142         case 0:
 143                 base = S5P6442_GPC0(0);
 144                 break;
 145
 146         case 1:
 147                 base = S5P6442_GPC1(0);
 148                 break;
 149
 150         default:
 151                 printk(KERN_DEBUG "Invalid PCM Controller number!");
 152                 return -EINVAL;
 153         }
 154
 155         s3c_gpio_cfgpin_range(base, 5, S3C_GPIO_SFN(3));
 156         return 0;
 157 }
 158
 159 static struct s3c_audio_pdata s3c_pcm_pdata = {
 160         .cfg_gpio = s5p6442_pcm_cfg_gpio,
 161 };
 162
 163 static struct resource s5p6442_pcm0_resource[] = {
 164         [0] = {
 165                 .start = S5P6442_PA_PCM0,
 166                 .end   = S5P6442_PA_PCM0 + 0x100 - 1,
 167                 .flags = IORESOURCE_MEM,
 168         },
 169         [1] = {
 170                 .start = DMACH_PCM0_TX,
 171                 .end   = DMACH_PCM0_TX,
 172                 .flags = IORESOURCE_DMA,
 173         },
 174         [2] = {
 175                 .start = DMACH_PCM0_RX,
 176                 .end   = DMACH_PCM0_RX,
 177                 .flags = IORESOURCE_DMA,
 178         },
 179 };
 180
 181 struct platform_device s5p6442_device_pcm0 = {
 182         .name             = "samsung-pcm",
 183         .id               = 0,
 184         .num_resources    = ARRAY_SIZE(s5p6442_pcm0_resource),
 185         .resource         = s5p6442_pcm0_resource,
 186         .dev = {
 187                 .platform_data = &s3c_pcm_pdata,
 188         },
 189 };
 190
 191 static struct resource s5p6442_pcm1_resource[] = {
 192         [0] = {
 193                 .start = S5P6442_PA_PCM1,
 194                 .end   = S5P6442_PA_PCM1 + 0x100 - 1,
 195                 .flags = IORESOURCE_MEM,
 196         },
 197         [1] = {
 198                 .start = DMACH_PCM1_TX,
 199                 .end   = DMACH_PCM1_TX,
 200                 .flags = IORESOURCE_DMA,
 201         },
 202         [2] = {
 203                 .start = DMACH_PCM1_RX,
 204                 .end   = DMACH_PCM1_RX,
 205                 .flags = IORESOURCE_DMA,
 206         },
 207 };
 208
 209 struct platform_device s5p6442_device_pcm1 = {
 210         .name             = "samsung-pcm",
 211         .id               = 1,
 212         .num_resources    = ARRAY_SIZE(s5p6442_pcm1_resource),
 213         .resource         = s5p6442_pcm1_resource,
 214         .dev = {
 215                 .platform_data = &s3c_pcm_pdata,
 216         },
 217 };