release/src-rt-6.x.4708/linux/linux-2.6.36/arch/arm/mach-s5pc100/dev-audio.c

   1 /* linux/arch/arm/mach-s5pc100/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 s5pc100_cfg_i2s(struct platform_device *pdev)
  23 {
  24         /* configure GPIO for i2s port */
  25         switch (pdev->id) {
  26         case 1:
  27                 s3c_gpio_cfgpin(S5PC100_GPC(0), S3C_GPIO_SFN(2));
  28                 s3c_gpio_cfgpin(S5PC100_GPC(1), S3C_GPIO_SFN(2));
  29                 s3c_gpio_cfgpin(S5PC100_GPC(2), S3C_GPIO_SFN(2));
  30                 s3c_gpio_cfgpin(S5PC100_GPC(3), S3C_GPIO_SFN(2));
  31                 s3c_gpio_cfgpin(S5PC100_GPC(4), S3C_GPIO_SFN(2));
  32                 break;
  33
  34         case 2:
  35                 s3c_gpio_cfgpin(S5PC100_GPG3(0), S3C_GPIO_SFN(4));
  36                 s3c_gpio_cfgpin(S5PC100_GPG3(1), S3C_GPIO_SFN(4));
  37                 s3c_gpio_cfgpin(S5PC100_GPG3(2), S3C_GPIO_SFN(4));
  38                 s3c_gpio_cfgpin(S5PC100_GPG3(3), S3C_GPIO_SFN(4));
  39                 s3c_gpio_cfgpin(S5PC100_GPG3(4), S3C_GPIO_SFN(4));
  40                 break;
  41
  42         case -1: /* Dedicated pins */
  43                 break;
  44
  45         default:
  46                 printk(KERN_ERR "Invalid Device %d\n", pdev->id);
  47                 return -EINVAL;
  48         }
  49
  50         return 0;
  51 }
  52
  53 static struct s3c_audio_pdata s3c_i2s_pdata = {
  54         .cfg_gpio = s5pc100_cfg_i2s,
  55 };
  56
  57 static struct resource s5pc100_iis0_resource[] = {
  58         [0] = {
  59                 .start = S5PC100_PA_I2S0,
  60                 .end   = S5PC100_PA_I2S0 + 0x100 - 1,
  61                 .flags = IORESOURCE_MEM,
  62         },
  63         [1] = {
  64                 .start = DMACH_I2S0_TX,
  65                 .end   = DMACH_I2S0_TX,
  66                 .flags = IORESOURCE_DMA,
  67         },
  68         [2] = {
  69                 .start = DMACH_I2S0_RX,
  70                 .end   = DMACH_I2S0_RX,
  71                 .flags = IORESOURCE_DMA,
  72         },
  73 };
  74
  75 struct platform_device s5pc100_device_iis0 = {
  76         .name             = "s3c64xx-iis-v4",
  77         .id               = -1,
  78         .num_resources    = ARRAY_SIZE(s5pc100_iis0_resource),
  79         .resource         = s5pc100_iis0_resource,
  80         .dev = {
  81                 .platform_data = &s3c_i2s_pdata,
  82         },
  83 };
  84
  85 static struct resource s5pc100_iis1_resource[] = {
  86         [0] = {
  87                 .start = S5PC100_PA_I2S1,
  88                 .end   = S5PC100_PA_I2S1 + 0x100 - 1,
  89                 .flags = IORESOURCE_MEM,
  90         },
  91         [1] = {
  92                 .start = DMACH_I2S1_TX,
  93                 .end   = DMACH_I2S1_TX,
  94                 .flags = IORESOURCE_DMA,
  95         },
  96         [2] = {
  97                 .start = DMACH_I2S1_RX,
  98                 .end   = DMACH_I2S1_RX,
  99                 .flags = IORESOURCE_DMA,
 100         },
 101 };
 102
 103 struct platform_device s5pc100_device_iis1 = {
 104         .name             = "s3c64xx-iis",
 105         .id               = 1,
 106         .num_resources    = ARRAY_SIZE(s5pc100_iis1_resource),
 107         .resource         = s5pc100_iis1_resource,
 108         .dev = {
 109                 .platform_data = &s3c_i2s_pdata,
 110         },
 111 };
 112
 113 static struct resource s5pc100_iis2_resource[] = {
 114         [0] = {
 115                 .start = S5PC100_PA_I2S2,
 116                 .end   = S5PC100_PA_I2S2 + 0x100 - 1,
 117                 .flags = IORESOURCE_MEM,
 118         },
 119         [1] = {
 120                 .start = DMACH_I2S2_TX,
 121                 .end   = DMACH_I2S2_TX,
 122                 .flags = IORESOURCE_DMA,
 123         },
 124         [2] = {
 125                 .start = DMACH_I2S2_RX,
 126                 .end   = DMACH_I2S2_RX,
 127                 .flags = IORESOURCE_DMA,
 128         },
 129 };
 130
 131 struct platform_device s5pc100_device_iis2 = {
 132         .name             = "s3c64xx-iis",
 133         .id               = 2,
 134         .num_resources    = ARRAY_SIZE(s5pc100_iis2_resource),
 135         .resource         = s5pc100_iis2_resource,
 136         .dev = {
 137                 .platform_data = &s3c_i2s_pdata,
 138         },
 139 };
 140
 141 /* PCM Controller platform_devices */
 142
 143 static int s5pc100_pcm_cfg_gpio(struct platform_device *pdev)
 144 {
 145         switch (pdev->id) {
 146         case 0:
 147                 s3c_gpio_cfgpin(S5PC100_GPG3(0), S3C_GPIO_SFN(5));
 148                 s3c_gpio_cfgpin(S5PC100_GPG3(1), S3C_GPIO_SFN(5));
 149                 s3c_gpio_cfgpin(S5PC100_GPG3(2), S3C_GPIO_SFN(5));
 150                 s3c_gpio_cfgpin(S5PC100_GPG3(3), S3C_GPIO_SFN(5));
 151                 s3c_gpio_cfgpin(S5PC100_GPG3(4), S3C_GPIO_SFN(5));
 152                 break;
 153
 154         case 1:
 155                 s3c_gpio_cfgpin(S5PC100_GPC(0), S3C_GPIO_SFN(3));
 156                 s3c_gpio_cfgpin(S5PC100_GPC(1), S3C_GPIO_SFN(3));
 157                 s3c_gpio_cfgpin(S5PC100_GPC(2), S3C_GPIO_SFN(3));
 158                 s3c_gpio_cfgpin(S5PC100_GPC(3), S3C_GPIO_SFN(3));
 159                 s3c_gpio_cfgpin(S5PC100_GPC(4), S3C_GPIO_SFN(3));
 160                 break;
 161
 162         default:
 163                 printk(KERN_DEBUG "Invalid PCM Controller number!");
 164                 return -EINVAL;
 165         }
 166
 167         return 0;
 168 }
 169
 170 static struct s3c_audio_pdata s3c_pcm_pdata = {
 171         .cfg_gpio = s5pc100_pcm_cfg_gpio,
 172 };
 173
 174 static struct resource s5pc100_pcm0_resource[] = {
 175         [0] = {
 176                 .start = S5PC100_PA_PCM0,
 177                 .end   = S5PC100_PA_PCM0 + 0x100 - 1,
 178                 .flags = IORESOURCE_MEM,
 179         },
 180         [1] = {
 181                 .start = DMACH_PCM0_TX,
 182                 .end   = DMACH_PCM0_TX,
 183                 .flags = IORESOURCE_DMA,
 184         },
 185         [2] = {
 186                 .start = DMACH_PCM0_RX,
 187                 .end   = DMACH_PCM0_RX,
 188                 .flags = IORESOURCE_DMA,
 189         },
 190 };
 191
 192 struct platform_device s5pc100_device_pcm0 = {
 193         .name             = "samsung-pcm",
 194         .id               = 0,
 195         .num_resources    = ARRAY_SIZE(s5pc100_pcm0_resource),
 196         .resource         = s5pc100_pcm0_resource,
 197         .dev = {
 198                 .platform_data = &s3c_pcm_pdata,
 199         },
 200 };
 201
 202 static struct resource s5pc100_pcm1_resource[] = {
 203         [0] = {
 204                 .start = S5PC100_PA_PCM1,
 205                 .end   = S5PC100_PA_PCM1 + 0x100 - 1,
 206                 .flags = IORESOURCE_MEM,
 207         },
 208         [1] = {
 209                 .start = DMACH_PCM1_TX,
 210                 .end   = DMACH_PCM1_TX,
 211                 .flags = IORESOURCE_DMA,
 212         },
 213         [2] = {
 214                 .start = DMACH_PCM1_RX,
 215                 .end   = DMACH_PCM1_RX,
 216                 .flags = IORESOURCE_DMA,
 217         },
 218 };
 219
 220 struct platform_device s5pc100_device_pcm1 = {
 221         .name             = "samsung-pcm",
 222         .id               = 1,
 223         .num_resources    = ARRAY_SIZE(s5pc100_pcm1_resource),
 224         .resource         = s5pc100_pcm1_resource,
 225         .dev = {
 226                 .platform_data = &s3c_pcm_pdata,
 227         },
 228 };
 229
 230 /* AC97 Controller platform devices */
 231
 232 static int s5pc100_ac97_cfg_gpio(struct platform_device *pdev)
 233 {
 234         s3c_gpio_cfgpin(S5PC100_GPC(0), S3C_GPIO_SFN(4));
 235         s3c_gpio_cfgpin(S5PC100_GPC(1), S3C_GPIO_SFN(4));
 236         s3c_gpio_cfgpin(S5PC100_GPC(2), S3C_GPIO_SFN(4));
 237         s3c_gpio_cfgpin(S5PC100_GPC(3), S3C_GPIO_SFN(4));
 238         s3c_gpio_cfgpin(S5PC100_GPC(4), S3C_GPIO_SFN(4));
 239
 240         return 0;
 241 }
 242
 243 static struct resource s5pc100_ac97_resource[] = {
 244         [0] = {
 245                 .start = S5PC100_PA_AC97,
 246                 .end   = S5PC100_PA_AC97 + 0x100 - 1,
 247                 .flags = IORESOURCE_MEM,
 248         },
 249         [1] = {
 250                 .start = DMACH_AC97_PCMOUT,
 251                 .end   = DMACH_AC97_PCMOUT,
 252                 .flags = IORESOURCE_DMA,
 253         },
 254         [2] = {
 255                 .start = DMACH_AC97_PCMIN,
 256                 .end   = DMACH_AC97_PCMIN,
 257                 .flags = IORESOURCE_DMA,
 258         },
 259         [3] = {
 260                 .start = DMACH_AC97_MICIN,
 261                 .end   = DMACH_AC97_MICIN,
 262                 .flags = IORESOURCE_DMA,
 263         },
 264         [4] = {
 265                 .start = IRQ_AC97,
 266                 .end   = IRQ_AC97,
 267                 .flags = IORESOURCE_IRQ,
 268         },
 269 };
 270
 271 static struct s3c_audio_pdata s3c_ac97_pdata = {
 272         .cfg_gpio = s5pc100_ac97_cfg_gpio,
 273 };
 274
 275 static u64 s5pc100_ac97_dmamask = DMA_BIT_MASK(32);
 276
 277 struct platform_device s5pc100_device_ac97 = {
 278         .name             = "s3c-ac97",
 279         .id               = -1,
 280         .num_resources    = ARRAY_SIZE(s5pc100_ac97_resource),
 281         .resource         = s5pc100_ac97_resource,
 282         .dev = {
 283                 .platform_data = &s3c_ac97_pdata,
 284                 .dma_mask = &s5pc100_ac97_dmamask,
 285                 .coherent_dma_mask = DMA_BIT_MASK(32),
 286         },
 287 };