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_range(S5PC100_GPC(0), 5, S3C_GPIO_SFN(2));
  28                 break;
  29
  30         case 2:
  31                 s3c_gpio_cfgpin_range(S5PC100_GPG3(0), 5, S3C_GPIO_SFN(4));
  32                 break;
  33
  34         case -1: /* Dedicated pins */
  35                 break;
  36
  37         default:
  38                 printk(KERN_ERR "Invalid Device %d\n", pdev->id);
  39                 return -EINVAL;
  40         }
  41
  42         return 0;
  43 }
  44
  45 static struct s3c_audio_pdata s3c_i2s_pdata = {
  46         .cfg_gpio = s5pc100_cfg_i2s,
  47 };
  48
  49 static struct resource s5pc100_iis0_resource[] = {
  50         [0] = {
  51                 .start = S5PC100_PA_I2S0,
  52                 .end   = S5PC100_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 s5pc100_device_iis0 = {
  68         .name             = "s3c64xx-iis-v4",
  69         .id               = -1,
  70         .num_resources    = ARRAY_SIZE(s5pc100_iis0_resource),
  71         .resource         = s5pc100_iis0_resource,
  72         .dev = {
  73                 .platform_data = &s3c_i2s_pdata,
  74         },
  75 };
  76
  77 static struct resource s5pc100_iis1_resource[] = {
  78         [0] = {
  79                 .start = S5PC100_PA_I2S1,
  80                 .end   = S5PC100_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 s5pc100_device_iis1 = {
  96         .name             = "s3c64xx-iis",
  97         .id               = 1,
  98         .num_resources    = ARRAY_SIZE(s5pc100_iis1_resource),
  99         .resource         = s5pc100_iis1_resource,
 100         .dev = {
 101                 .platform_data = &s3c_i2s_pdata,
 102         },
 103 };
 104
 105 static struct resource s5pc100_iis2_resource[] = {
 106         [0] = {
 107                 .start = S5PC100_PA_I2S2,
 108                 .end   = S5PC100_PA_I2S2 + 0x100 - 1,
 109                 .flags = IORESOURCE_MEM,
 110         },
 111         [1] = {
 112                 .start = DMACH_I2S2_TX,
 113                 .end   = DMACH_I2S2_TX,
 114                 .flags = IORESOURCE_DMA,
 115         },
 116         [2] = {
 117                 .start = DMACH_I2S2_RX,
 118                 .end   = DMACH_I2S2_RX,
 119                 .flags = IORESOURCE_DMA,
 120         },
 121 };
 122
 123 struct platform_device s5pc100_device_iis2 = {
 124         .name             = "s3c64xx-iis",
 125         .id               = 2,
 126         .num_resources    = ARRAY_SIZE(s5pc100_iis2_resource),
 127         .resource         = s5pc100_iis2_resource,
 128         .dev = {
 129                 .platform_data = &s3c_i2s_pdata,
 130         },
 131 };
 132
 133 /* PCM Controller platform_devices */
 134
 135 static int s5pc100_pcm_cfg_gpio(struct platform_device *pdev)
 136 {
 137         switch (pdev->id) {
 138         case 0:
 139                 s3c_gpio_cfgpin_range(S5PC100_GPG3(0), 5, S3C_GPIO_SFN(5));
 140                 break;
 141
 142         case 1:
 143                 s3c_gpio_cfgpin_range(S5PC100_GPC(0), 5, S3C_GPIO_SFN(3));
 144                 break;
 145
 146         default:
 147                 printk(KERN_DEBUG "Invalid PCM Controller number!");
 148                 return -EINVAL;
 149         }
 150
 151         return 0;
 152 }
 153
 154 static struct s3c_audio_pdata s3c_pcm_pdata = {
 155         .cfg_gpio = s5pc100_pcm_cfg_gpio,
 156 };
 157
 158 static struct resource s5pc100_pcm0_resource[] = {
 159         [0] = {
 160                 .start = S5PC100_PA_PCM0,
 161                 .end   = S5PC100_PA_PCM0 + 0x100 - 1,
 162                 .flags = IORESOURCE_MEM,
 163         },
 164         [1] = {
 165                 .start = DMACH_PCM0_TX,
 166                 .end   = DMACH_PCM0_TX,
 167                 .flags = IORESOURCE_DMA,
 168         },
 169         [2] = {
 170                 .start = DMACH_PCM0_RX,
 171                 .end   = DMACH_PCM0_RX,
 172                 .flags = IORESOURCE_DMA,
 173         },
 174 };
 175
 176 struct platform_device s5pc100_device_pcm0 = {
 177         .name             = "samsung-pcm",
 178         .id               = 0,
 179         .num_resources    = ARRAY_SIZE(s5pc100_pcm0_resource),
 180         .resource         = s5pc100_pcm0_resource,
 181         .dev = {
 182                 .platform_data = &s3c_pcm_pdata,
 183         },
 184 };
 185
 186 static struct resource s5pc100_pcm1_resource[] = {
 187         [0] = {
 188                 .start = S5PC100_PA_PCM1,
 189                 .end   = S5PC100_PA_PCM1 + 0x100 - 1,
 190                 .flags = IORESOURCE_MEM,
 191         },
 192         [1] = {
 193                 .start = DMACH_PCM1_TX,
 194                 .end   = DMACH_PCM1_TX,
 195                 .flags = IORESOURCE_DMA,
 196         },
 197         [2] = {
 198                 .start = DMACH_PCM1_RX,
 199                 .end   = DMACH_PCM1_RX,
 200                 .flags = IORESOURCE_DMA,
 201         },
 202 };
 203
 204 struct platform_device s5pc100_device_pcm1 = {
 205         .name             = "samsung-pcm",
 206         .id               = 1,
 207         .num_resources    = ARRAY_SIZE(s5pc100_pcm1_resource),
 208         .resource         = s5pc100_pcm1_resource,
 209         .dev = {
 210                 .platform_data = &s3c_pcm_pdata,
 211         },
 212 };
 213
 214 /* AC97 Controller platform devices */
 215
 216 static int s5pc100_ac97_cfg_gpio(struct platform_device *pdev)
 217 {
 218         return s3c_gpio_cfgpin_range(S5PC100_GPC(0), 5, S3C_GPIO_SFN(4));
 219 }
 220
 221 static struct resource s5pc100_ac97_resource[] = {
 222         [0] = {
 223                 .start = S5PC100_PA_AC97,
 224                 .end   = S5PC100_PA_AC97 + 0x100 - 1,
 225                 .flags = IORESOURCE_MEM,
 226         },
 227         [1] = {
 228                 .start = DMACH_AC97_PCMOUT,
 229                 .end   = DMACH_AC97_PCMOUT,
 230                 .flags = IORESOURCE_DMA,
 231         },
 232         [2] = {
 233                 .start = DMACH_AC97_PCMIN,
 234                 .end   = DMACH_AC97_PCMIN,
 235                 .flags = IORESOURCE_DMA,
 236         },
 237         [3] = {
 238                 .start = DMACH_AC97_MICIN,
 239                 .end   = DMACH_AC97_MICIN,
 240                 .flags = IORESOURCE_DMA,
 241         },
 242         [4] = {
 243                 .start = IRQ_AC97,
 244                 .end   = IRQ_AC97,
 245                 .flags = IORESOURCE_IRQ,
 246         },
 247 };
 248
 249 static struct s3c_audio_pdata s3c_ac97_pdata = {
 250         .cfg_gpio = s5pc100_ac97_cfg_gpio,
 251 };
 252
 253 static u64 s5pc100_ac97_dmamask = DMA_BIT_MASK(32);
 254
 255 struct platform_device s5pc100_device_ac97 = {
 256         .name             = "s3c-ac97",
 257         .id               = -1,
 258         .num_resources    = ARRAY_SIZE(s5pc100_ac97_resource),
 259         .resource         = s5pc100_ac97_resource,
 260         .dev = {
 261                 .platform_data = &s3c_ac97_pdata,
 262                 .dma_mask = &s5pc100_ac97_dmamask,
 263                 .coherent_dma_mask = DMA_BIT_MASK(32),
 264         },
 265 };
 266
 267 /* S/PDIF Controller platform_device */
 268 static int s5pc100_spdif_cfg_gpd(struct platform_device *pdev)
 269 {
 270         s3c_gpio_cfgpin_range(S5PC100_GPD(5), 2, S3C_GPIO_SFN(3));
 271
 272         return 0;
 273 }
 274
 275 static int s5pc100_spdif_cfg_gpg3(struct platform_device *pdev)
 276 {
 277         s3c_gpio_cfgpin_range(S5PC100_GPG3(5), 2, S3C_GPIO_SFN(3));
 278
 279         return 0;
 280 }
 281
 282 static struct resource s5pc100_spdif_resource[] = {
 283         [0] = {
 284                 .start  = S5PC100_PA_SPDIF,
 285                 .end    = S5PC100_PA_SPDIF + 0x100 - 1,
 286                 .flags  = IORESOURCE_MEM,
 287         },
 288         [1] = {
 289                 .start  = DMACH_SPDIF,
 290                 .end    = DMACH_SPDIF,
 291                 .flags  = IORESOURCE_DMA,
 292         },
 293 };
 294
 295 static struct s3c_audio_pdata s5p_spdif_pdata = {
 296         .cfg_gpio = s5pc100_spdif_cfg_gpd,
 297 };
 298
 299 static u64 s5pc100_spdif_dmamask = DMA_BIT_MASK(32);
 300
 301 struct platform_device s5pc100_device_spdif = {
 302         .name           = "samsung-spdif",
 303         .id             = -1,
 304         .num_resources  = ARRAY_SIZE(s5pc100_spdif_resource),
 305         .resource       = s5pc100_spdif_resource,
 306         .dev = {
 307                 .platform_data = &s5p_spdif_pdata,
 308                 .dma_mask = &s5pc100_spdif_dmamask,
 309                 .coherent_dma_mask = DMA_BIT_MASK(32),
 310         },
 311 };
 312
 313 void __init s5pc100_spdif_setup_gpio(int gpio)
 314 {
 315         if (gpio == S5PC100_SPDIF_GPD)
 316                 s5p_spdif_pdata.cfg_gpio = s5pc100_spdif_cfg_gpd;
 317         else
 318                 s5p_spdif_pdata.cfg_gpio = s5pc100_spdif_cfg_gpg3;
 319 }