arch/arm/mach-s3c64xx/dev-audio.c

   1 /* linux/arch/arm/plat-s3c/dev-audio.c
   2  *
   3  * Copyright 2009 Wolfson Microelectronics
   4  *      Mark Brown <broonie@opensource.wolfsonmicro.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/kernel.h>
  12 #include <linux/string.h>
  13 #include <linux/platform_device.h>
  14 #include <linux/dma-mapping.h>
  15 #include <linux/gpio.h>
  16
  17 #include <mach/irqs.h>
  18 #include <mach/map.h>
  19 #include <mach/dma.h>
  20
  21 #include <plat/devs.h>
  22 #include <plat/audio.h>
  23 #include <plat/gpio-cfg.h>
  24
  25 static int s3c64xx_i2sv3_cfg_gpio(struct platform_device *pdev)
  26 {
  27         unsigned int base;
  28
  29         switch (pdev->id) {
  30         case 0:
  31                 base = S3C64XX_GPD(0);
  32                 break;
  33         case 1:
  34                 base = S3C64XX_GPE(0);
  35                 break;
  36         default:
  37                 printk(KERN_DEBUG "Invalid I2S Controller number: %d\n",
  38                         pdev->id);
  39                 return -EINVAL;
  40         }
  41
  42         s3c_gpio_cfgpin_range(base, 5, S3C_GPIO_SFN(3));
  43
  44         return 0;
  45 }
  46
  47 static int s3c64xx_i2sv4_cfg_gpio(struct platform_device *pdev)
  48 {
  49         s3c_gpio_cfgpin(S3C64XX_GPC(4), S3C_GPIO_SFN(5));
  50         s3c_gpio_cfgpin(S3C64XX_GPC(5), S3C_GPIO_SFN(5));
  51         s3c_gpio_cfgpin(S3C64XX_GPC(7), S3C_GPIO_SFN(5));
  52         s3c_gpio_cfgpin_range(S3C64XX_GPH(6), 4, S3C_GPIO_SFN(5));
  53
  54         return 0;
  55 }
  56
  57 static struct resource s3c64xx_iis0_resource[] = {
  58         [0] = {
  59                 .start = S3C64XX_PA_IIS0,
  60                 .end   = S3C64XX_PA_IIS0 + 0x100 - 1,
  61                 .flags = IORESOURCE_MEM,
  62         },
  63         [1] = {
  64                 .start = DMACH_I2S0_OUT,
  65                 .end   = DMACH_I2S0_OUT,
  66                 .flags = IORESOURCE_DMA,
  67         },
  68         [2] = {
  69                 .start = DMACH_I2S0_IN,
  70                 .end   = DMACH_I2S0_IN,
  71                 .flags = IORESOURCE_DMA,
  72         },
  73 };
  74
  75 static struct s3c_audio_pdata s3c_i2s0_pdata = {
  76         .cfg_gpio = s3c64xx_i2sv3_cfg_gpio,
  77 };
  78
  79 struct platform_device s3c64xx_device_iis0 = {
  80         .name             = "s3c64xx-iis",
  81         .id               = 0,
  82         .num_resources    = ARRAY_SIZE(s3c64xx_iis0_resource),
  83         .resource         = s3c64xx_iis0_resource,
  84         .dev = {
  85                 .platform_data = &s3c_i2s0_pdata,
  86         },
  87 };
  88 EXPORT_SYMBOL(s3c64xx_device_iis0);
  89
  90 static struct resource s3c64xx_iis1_resource[] = {
  91         [0] = {
  92                 .start = S3C64XX_PA_IIS1,
  93                 .end   = S3C64XX_PA_IIS1 + 0x100 - 1,
  94                 .flags = IORESOURCE_MEM,
  95         },
  96         [1] = {
  97                 .start = DMACH_I2S1_OUT,
  98                 .end   = DMACH_I2S1_OUT,
  99                 .flags = IORESOURCE_DMA,
 100         },
 101         [2] = {
 102                 .start = DMACH_I2S1_IN,
 103                 .end   = DMACH_I2S1_IN,
 104                 .flags = IORESOURCE_DMA,
 105         },
 106 };
 107
 108 static struct s3c_audio_pdata s3c_i2s1_pdata = {
 109         .cfg_gpio = s3c64xx_i2sv3_cfg_gpio,
 110 };
 111
 112 struct platform_device s3c64xx_device_iis1 = {
 113         .name             = "s3c64xx-iis",
 114         .id               = 1,
 115         .num_resources    = ARRAY_SIZE(s3c64xx_iis1_resource),
 116         .resource         = s3c64xx_iis1_resource,
 117         .dev = {
 118                 .platform_data = &s3c_i2s1_pdata,
 119         },
 120 };
 121 EXPORT_SYMBOL(s3c64xx_device_iis1);
 122
 123 static struct resource s3c64xx_iisv4_resource[] = {
 124         [0] = {
 125                 .start = S3C64XX_PA_IISV4,
 126                 .end   = S3C64XX_PA_IISV4 + 0x100 - 1,
 127                 .flags = IORESOURCE_MEM,
 128         },
 129         [1] = {
 130                 .start = DMACH_HSI_I2SV40_TX,
 131                 .end   = DMACH_HSI_I2SV40_TX,
 132                 .flags = IORESOURCE_DMA,
 133         },
 134         [2] = {
 135                 .start = DMACH_HSI_I2SV40_RX,
 136                 .end   = DMACH_HSI_I2SV40_RX,
 137                 .flags = IORESOURCE_DMA,
 138         },
 139 };
 140
 141 static struct s3c_audio_pdata s3c_i2sv4_pdata = {
 142         .cfg_gpio = s3c64xx_i2sv4_cfg_gpio,
 143 };
 144
 145 struct platform_device s3c64xx_device_iisv4 = {
 146         .name             = "s3c64xx-iis-v4",
 147         .id               = -1,
 148         .num_resources    = ARRAY_SIZE(s3c64xx_iisv4_resource),
 149         .resource         = s3c64xx_iisv4_resource,
 150         .dev = {
 151                 .platform_data = &s3c_i2sv4_pdata,
 152         },
 153 };
 154 EXPORT_SYMBOL(s3c64xx_device_iisv4);
 155
 156
 157 /* PCM Controller platform_devices */
 158
 159 static int s3c64xx_pcm_cfg_gpio(struct platform_device *pdev)
 160 {
 161         unsigned int base;
 162
 163         switch (pdev->id) {
 164         case 0:
 165                 base = S3C64XX_GPD(0);
 166                 break;
 167         case 1:
 168                 base = S3C64XX_GPE(0);
 169                 break;
 170         default:
 171                 printk(KERN_DEBUG "Invalid PCM Controller number: %d\n",
 172                         pdev->id);
 173                 return -EINVAL;
 174         }
 175
 176         s3c_gpio_cfgpin_range(base, 5, S3C_GPIO_SFN(2));
 177         return 0;
 178 }
 179
 180 static struct resource s3c64xx_pcm0_resource[] = {
 181         [0] = {
 182                 .start = S3C64XX_PA_PCM0,
 183                 .end   = S3C64XX_PA_PCM0 + 0x100 - 1,
 184                 .flags = IORESOURCE_MEM,
 185         },
 186         [1] = {
 187                 .start = DMACH_PCM0_TX,
 188                 .end   = DMACH_PCM0_TX,
 189                 .flags = IORESOURCE_DMA,
 190         },
 191         [2] = {
 192                 .start = DMACH_PCM0_RX,
 193                 .end   = DMACH_PCM0_RX,
 194                 .flags = IORESOURCE_DMA,
 195         },
 196 };
 197
 198 static struct s3c_audio_pdata s3c_pcm0_pdata = {
 199         .cfg_gpio = s3c64xx_pcm_cfg_gpio,
 200 };
 201
 202 struct platform_device s3c64xx_device_pcm0 = {
 203         .name             = "samsung-pcm",
 204         .id               = 0,
 205         .num_resources    = ARRAY_SIZE(s3c64xx_pcm0_resource),
 206         .resource         = s3c64xx_pcm0_resource,
 207         .dev = {
 208                 .platform_data = &s3c_pcm0_pdata,
 209         },
 210 };
 211 EXPORT_SYMBOL(s3c64xx_device_pcm0);
 212
 213 static struct resource s3c64xx_pcm1_resource[] = {
 214         [0] = {
 215                 .start = S3C64XX_PA_PCM1,
 216                 .end   = S3C64XX_PA_PCM1 + 0x100 - 1,
 217                 .flags = IORESOURCE_MEM,
 218         },
 219         [1] = {
 220                 .start = DMACH_PCM1_TX,
 221                 .end   = DMACH_PCM1_TX,
 222                 .flags = IORESOURCE_DMA,
 223         },
 224         [2] = {
 225                 .start = DMACH_PCM1_RX,
 226                 .end   = DMACH_PCM1_RX,
 227                 .flags = IORESOURCE_DMA,
 228         },
 229 };
 230
 231 static struct s3c_audio_pdata s3c_pcm1_pdata = {
 232         .cfg_gpio = s3c64xx_pcm_cfg_gpio,
 233 };
 234
 235 struct platform_device s3c64xx_device_pcm1 = {
 236         .name             = "samsung-pcm",
 237         .id               = 1,
 238         .num_resources    = ARRAY_SIZE(s3c64xx_pcm1_resource),
 239         .resource         = s3c64xx_pcm1_resource,
 240         .dev = {
 241                 .platform_data = &s3c_pcm1_pdata,
 242         },
 243 };
 244 EXPORT_SYMBOL(s3c64xx_device_pcm1);
 245
 246 /* AC97 Controller platform devices */
 247
 248 static int s3c64xx_ac97_cfg_gpd(struct platform_device *pdev)
 249 {
 250         return s3c_gpio_cfgpin_range(S3C64XX_GPD(0), 5, S3C_GPIO_SFN(4));
 251 }
 252
 253 static int s3c64xx_ac97_cfg_gpe(struct platform_device *pdev)
 254 {
 255         return s3c_gpio_cfgpin_range(S3C64XX_GPE(0), 5, S3C_GPIO_SFN(4));
 256 }
 257
 258 static struct resource s3c64xx_ac97_resource[] = {
 259         [0] = {
 260                 .start = S3C64XX_PA_AC97,
 261                 .end   = S3C64XX_PA_AC97 + 0x100 - 1,
 262                 .flags = IORESOURCE_MEM,
 263         },
 264         [1] = {
 265                 .start = DMACH_AC97_PCMOUT,
 266                 .end   = DMACH_AC97_PCMOUT,
 267                 .flags = IORESOURCE_DMA,
 268         },
 269         [2] = {
 270                 .start = DMACH_AC97_PCMIN,
 271                 .end   = DMACH_AC97_PCMIN,
 272                 .flags = IORESOURCE_DMA,
 273         },
 274         [3] = {
 275                 .start = DMACH_AC97_MICIN,
 276                 .end   = DMACH_AC97_MICIN,
 277                 .flags = IORESOURCE_DMA,
 278         },
 279         [4] = {
 280                 .start = IRQ_AC97,
 281                 .end   = IRQ_AC97,
 282                 .flags = IORESOURCE_IRQ,
 283         },
 284 };
 285
 286 static struct s3c_audio_pdata s3c_ac97_pdata;
 287
 288 static u64 s3c64xx_ac97_dmamask = DMA_BIT_MASK(32);
 289
 290 struct platform_device s3c64xx_device_ac97 = {
 291         .name             = "s3c-ac97",
 292         .id               = -1,
 293         .num_resources    = ARRAY_SIZE(s3c64xx_ac97_resource),
 294         .resource         = s3c64xx_ac97_resource,
 295         .dev = {
 296                 .platform_data = &s3c_ac97_pdata,
 297                 .dma_mask = &s3c64xx_ac97_dmamask,
 298                 .coherent_dma_mask = DMA_BIT_MASK(32),
 299         },
 300 };
 301 EXPORT_SYMBOL(s3c64xx_device_ac97);
 302
 303 void __init s3c64xx_ac97_setup_gpio(int num)
 304 {
 305         if (num == S3C64XX_AC97_GPD)
 306                 s3c_ac97_pdata.cfg_gpio = s3c64xx_ac97_cfg_gpd;
 307         else
 308                 s3c_ac97_pdata.cfg_gpio = s3c64xx_ac97_cfg_gpe;
 309 }
 310
 311 static u64 s3c_device_audio_dmamask = 0xffffffffUL;
 312
 313 struct platform_device s3c_device_pcm = {
 314         .name             = "s3c24xx-pcm-audio",
 315         .id               = -1,
 316         .dev              = {
 317                 .dma_mask = &s3c_device_audio_dmamask,
 318                 .coherent_dma_mask = 0xffffffffUL
 319         }
 320 };
 321 EXPORT_SYMBOL(s3c_device_pcm);
 322