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 #include <mach/gpio-bank-c.h>
  26 #include <mach/gpio-bank-d.h>
  27 #include <mach/gpio-bank-e.h>
  28 #include <mach/gpio-bank-h.h>
  29
  30 static int s3c64xx_i2sv3_cfg_gpio(struct platform_device *pdev)
  31 {
  32         switch (pdev->id) {
  33         case 0:
  34                 s3c_gpio_cfgpin(S3C64XX_GPD(0), S3C64XX_GPD0_I2S0_CLK);
  35                 s3c_gpio_cfgpin(S3C64XX_GPD(1), S3C64XX_GPD1_I2S0_CDCLK);
  36                 s3c_gpio_cfgpin(S3C64XX_GPD(2), S3C64XX_GPD2_I2S0_LRCLK);
  37                 s3c_gpio_cfgpin(S3C64XX_GPD(3), S3C64XX_GPD3_I2S0_DI);
  38                 s3c_gpio_cfgpin(S3C64XX_GPD(4), S3C64XX_GPD4_I2S0_D0);
  39                 break;
  40         case 1:
  41                 s3c_gpio_cfgpin(S3C64XX_GPE(0), S3C64XX_GPE0_I2S1_CLK);
  42                 s3c_gpio_cfgpin(S3C64XX_GPE(1), S3C64XX_GPE1_I2S1_CDCLK);
  43                 s3c_gpio_cfgpin(S3C64XX_GPE(2), S3C64XX_GPE2_I2S1_LRCLK);
  44                 s3c_gpio_cfgpin(S3C64XX_GPE(3), S3C64XX_GPE3_I2S1_DI);
  45                 s3c_gpio_cfgpin(S3C64XX_GPE(4), S3C64XX_GPE4_I2S1_D0);
  46         default:
  47                 printk(KERN_DEBUG "Invalid I2S Controller number!");
  48                 return -EINVAL;
  49         }
  50
  51         return 0;
  52 }
  53
  54 static int s3c64xx_i2sv4_cfg_gpio(struct platform_device *pdev)
  55 {
  56         s3c_gpio_cfgpin(S3C64XX_GPC(4), S3C64XX_GPC4_I2S_V40_DO0);
  57         s3c_gpio_cfgpin(S3C64XX_GPC(5), S3C64XX_GPC5_I2S_V40_DO1);
  58         s3c_gpio_cfgpin(S3C64XX_GPC(7), S3C64XX_GPC7_I2S_V40_DO2);
  59         s3c_gpio_cfgpin(S3C64XX_GPH(6), S3C64XX_GPH6_I2S_V40_BCLK);
  60         s3c_gpio_cfgpin(S3C64XX_GPH(7), S3C64XX_GPH7_I2S_V40_CDCLK);
  61         s3c_gpio_cfgpin(S3C64XX_GPH(8), S3C64XX_GPH8_I2S_V40_LRCLK);
  62         s3c_gpio_cfgpin(S3C64XX_GPH(9), S3C64XX_GPH9_I2S_V40_DI);
  63
  64         return 0;
  65 }
  66
  67 static struct resource s3c64xx_iis0_resource[] = {
  68         [0] = {
  69                 .start = S3C64XX_PA_IIS0,
  70                 .end   = S3C64XX_PA_IIS0 + 0x100 - 1,
  71                 .flags = IORESOURCE_MEM,
  72         },
  73         [1] = {
  74                 .start = DMACH_I2S0_OUT,
  75                 .end   = DMACH_I2S0_OUT,
  76                 .flags = IORESOURCE_DMA,
  77         },
  78         [2] = {
  79                 .start = DMACH_I2S0_IN,
  80                 .end   = DMACH_I2S0_IN,
  81                 .flags = IORESOURCE_DMA,
  82         },
  83 };
  84
  85 static struct s3c_audio_pdata s3c_i2s0_pdata = {
  86         .cfg_gpio = s3c64xx_i2sv3_cfg_gpio,
  87 };
  88
  89 struct platform_device s3c64xx_device_iis0 = {
  90         .name             = "s3c64xx-iis",
  91         .id               = 0,
  92         .num_resources    = ARRAY_SIZE(s3c64xx_iis0_resource),
  93         .resource         = s3c64xx_iis0_resource,
  94         .dev = {
  95                 .platform_data = &s3c_i2s0_pdata,
  96         },
  97 };
  98 EXPORT_SYMBOL(s3c64xx_device_iis0);
  99
 100 static struct resource s3c64xx_iis1_resource[] = {
 101         [0] = {
 102                 .start = S3C64XX_PA_IIS1,
 103                 .end   = S3C64XX_PA_IIS1 + 0x100 - 1,
 104                 .flags = IORESOURCE_MEM,
 105         },
 106         [1] = {
 107                 .start = DMACH_I2S1_OUT,
 108                 .end   = DMACH_I2S1_OUT,
 109                 .flags = IORESOURCE_DMA,
 110         },
 111         [2] = {
 112                 .start = DMACH_I2S1_IN,
 113                 .end   = DMACH_I2S1_IN,
 114                 .flags = IORESOURCE_DMA,
 115         },
 116 };
 117
 118 static struct s3c_audio_pdata s3c_i2s1_pdata = {
 119         .cfg_gpio = s3c64xx_i2sv3_cfg_gpio,
 120 };
 121
 122 struct platform_device s3c64xx_device_iis1 = {
 123         .name             = "s3c64xx-iis",
 124         .id               = 1,
 125         .num_resources    = ARRAY_SIZE(s3c64xx_iis1_resource),
 126         .resource         = s3c64xx_iis1_resource,
 127         .dev = {
 128                 .platform_data = &s3c_i2s1_pdata,
 129         },
 130 };
 131 EXPORT_SYMBOL(s3c64xx_device_iis1);
 132
 133 static struct resource s3c64xx_iisv4_resource[] = {
 134         [0] = {
 135                 .start = S3C64XX_PA_IISV4,
 136                 .end   = S3C64XX_PA_IISV4 + 0x100 - 1,
 137                 .flags = IORESOURCE_MEM,
 138         },
 139         [1] = {
 140                 .start = DMACH_HSI_I2SV40_TX,
 141                 .end   = DMACH_HSI_I2SV40_TX,
 142                 .flags = IORESOURCE_DMA,
 143         },
 144         [2] = {
 145                 .start = DMACH_HSI_I2SV40_RX,
 146                 .end   = DMACH_HSI_I2SV40_RX,
 147                 .flags = IORESOURCE_DMA,
 148         },
 149 };
 150
 151 static struct s3c_audio_pdata s3c_i2sv4_pdata = {
 152         .cfg_gpio = s3c64xx_i2sv4_cfg_gpio,
 153 };
 154
 155 struct platform_device s3c64xx_device_iisv4 = {
 156         .name             = "s3c64xx-iis-v4",
 157         .id               = -1,
 158         .num_resources    = ARRAY_SIZE(s3c64xx_iisv4_resource),
 159         .resource         = s3c64xx_iisv4_resource,
 160         .dev = {
 161                 .platform_data = &s3c_i2sv4_pdata,
 162         },
 163 };
 164 EXPORT_SYMBOL(s3c64xx_device_iisv4);
 165
 166
 167 /* PCM Controller platform_devices */
 168
 169 static int s3c64xx_pcm_cfg_gpio(struct platform_device *pdev)
 170 {
 171         switch (pdev->id) {
 172         case 0:
 173                 s3c_gpio_cfgpin(S3C64XX_GPD(0), S3C64XX_GPD0_PCM0_SCLK);
 174                 s3c_gpio_cfgpin(S3C64XX_GPD(1), S3C64XX_GPD1_PCM0_EXTCLK);
 175                 s3c_gpio_cfgpin(S3C64XX_GPD(2), S3C64XX_GPD2_PCM0_FSYNC);
 176                 s3c_gpio_cfgpin(S3C64XX_GPD(3), S3C64XX_GPD3_PCM0_SIN);
 177                 s3c_gpio_cfgpin(S3C64XX_GPD(4), S3C64XX_GPD4_PCM0_SOUT);
 178                 break;
 179         case 1:
 180                 s3c_gpio_cfgpin(S3C64XX_GPE(0), S3C64XX_GPE0_PCM1_SCLK);
 181                 s3c_gpio_cfgpin(S3C64XX_GPE(1), S3C64XX_GPE1_PCM1_EXTCLK);
 182                 s3c_gpio_cfgpin(S3C64XX_GPE(2), S3C64XX_GPE2_PCM1_FSYNC);
 183                 s3c_gpio_cfgpin(S3C64XX_GPE(3), S3C64XX_GPE3_PCM1_SIN);
 184                 s3c_gpio_cfgpin(S3C64XX_GPE(4), S3C64XX_GPE4_PCM1_SOUT);
 185                 break;
 186         default:
 187                 printk(KERN_DEBUG "Invalid PCM Controller number!");
 188                 return -EINVAL;
 189         }
 190
 191         return 0;
 192 }
 193
 194 static struct resource s3c64xx_pcm0_resource[] = {
 195         [0] = {
 196                 .start = S3C64XX_PA_PCM0,
 197                 .end   = S3C64XX_PA_PCM0 + 0x100 - 1,
 198                 .flags = IORESOURCE_MEM,
 199         },
 200         [1] = {
 201                 .start = DMACH_PCM0_TX,
 202                 .end   = DMACH_PCM0_TX,
 203                 .flags = IORESOURCE_DMA,
 204         },
 205         [2] = {
 206                 .start = DMACH_PCM0_RX,
 207                 .end   = DMACH_PCM0_RX,
 208                 .flags = IORESOURCE_DMA,
 209         },
 210 };
 211
 212 static struct s3c_audio_pdata s3c_pcm0_pdata = {
 213         .cfg_gpio = s3c64xx_pcm_cfg_gpio,
 214 };
 215
 216 struct platform_device s3c64xx_device_pcm0 = {
 217         .name             = "samsung-pcm",
 218         .id               = 0,
 219         .num_resources    = ARRAY_SIZE(s3c64xx_pcm0_resource),
 220         .resource         = s3c64xx_pcm0_resource,
 221         .dev = {
 222                 .platform_data = &s3c_pcm0_pdata,
 223         },
 224 };
 225 EXPORT_SYMBOL(s3c64xx_device_pcm0);
 226
 227 static struct resource s3c64xx_pcm1_resource[] = {
 228         [0] = {
 229                 .start = S3C64XX_PA_PCM1,
 230                 .end   = S3C64XX_PA_PCM1 + 0x100 - 1,
 231                 .flags = IORESOURCE_MEM,
 232         },
 233         [1] = {
 234                 .start = DMACH_PCM1_TX,
 235                 .end   = DMACH_PCM1_TX,
 236                 .flags = IORESOURCE_DMA,
 237         },
 238         [2] = {
 239                 .start = DMACH_PCM1_RX,
 240                 .end   = DMACH_PCM1_RX,
 241                 .flags = IORESOURCE_DMA,
 242         },
 243 };
 244
 245 static struct s3c_audio_pdata s3c_pcm1_pdata = {
 246         .cfg_gpio = s3c64xx_pcm_cfg_gpio,
 247 };
 248
 249 struct platform_device s3c64xx_device_pcm1 = {
 250         .name             = "samsung-pcm",
 251         .id               = 1,
 252         .num_resources    = ARRAY_SIZE(s3c64xx_pcm1_resource),
 253         .resource         = s3c64xx_pcm1_resource,
 254         .dev = {
 255                 .platform_data = &s3c_pcm1_pdata,
 256         },
 257 };
 258 EXPORT_SYMBOL(s3c64xx_device_pcm1);
 259
 260 /* AC97 Controller platform devices */
 261
 262 static int s3c64xx_ac97_cfg_gpd(struct platform_device *pdev)
 263 {
 264         s3c_gpio_cfgpin(S3C64XX_GPD(0), S3C64XX_GPD0_AC97_BITCLK);
 265         s3c_gpio_cfgpin(S3C64XX_GPD(1), S3C64XX_GPD1_AC97_nRESET);
 266         s3c_gpio_cfgpin(S3C64XX_GPD(2), S3C64XX_GPD2_AC97_SYNC);
 267         s3c_gpio_cfgpin(S3C64XX_GPD(3), S3C64XX_GPD3_AC97_SDI);
 268         s3c_gpio_cfgpin(S3C64XX_GPD(4), S3C64XX_GPD4_AC97_SDO);
 269
 270         return 0;
 271 }
 272
 273 static int s3c64xx_ac97_cfg_gpe(struct platform_device *pdev)
 274 {
 275         s3c_gpio_cfgpin(S3C64XX_GPE(0), S3C64XX_GPE0_AC97_BITCLK);
 276         s3c_gpio_cfgpin(S3C64XX_GPE(1), S3C64XX_GPE1_AC97_nRESET);
 277         s3c_gpio_cfgpin(S3C64XX_GPE(2), S3C64XX_GPE2_AC97_SYNC);
 278         s3c_gpio_cfgpin(S3C64XX_GPE(3), S3C64XX_GPE3_AC97_SDI);
 279         s3c_gpio_cfgpin(S3C64XX_GPE(4), S3C64XX_GPE4_AC97_SDO);
 280
 281         return 0;
 282 }
 283
 284 static struct resource s3c64xx_ac97_resource[] = {
 285         [0] = {
 286                 .start = S3C64XX_PA_AC97,
 287                 .end   = S3C64XX_PA_AC97 + 0x100 - 1,
 288                 .flags = IORESOURCE_MEM,
 289         },
 290         [1] = {
 291                 .start = DMACH_AC97_PCMOUT,
 292                 .end   = DMACH_AC97_PCMOUT,
 293                 .flags = IORESOURCE_DMA,
 294         },
 295         [2] = {
 296                 .start = DMACH_AC97_PCMIN,
 297                 .end   = DMACH_AC97_PCMIN,
 298                 .flags = IORESOURCE_DMA,
 299         },
 300         [3] = {
 301                 .start = DMACH_AC97_MICIN,
 302                 .end   = DMACH_AC97_MICIN,
 303                 .flags = IORESOURCE_DMA,
 304         },
 305         [4] = {
 306                 .start = IRQ_AC97,
 307                 .end   = IRQ_AC97,
 308                 .flags = IORESOURCE_IRQ,
 309         },
 310 };
 311
 312 static struct s3c_audio_pdata s3c_ac97_pdata;
 313
 314 static u64 s3c64xx_ac97_dmamask = DMA_BIT_MASK(32);
 315
 316 struct platform_device s3c64xx_device_ac97 = {
 317         .name             = "s3c-ac97",
 318         .id               = -1,
 319         .num_resources    = ARRAY_SIZE(s3c64xx_ac97_resource),
 320         .resource         = s3c64xx_ac97_resource,
 321         .dev = {
 322                 .platform_data = &s3c_ac97_pdata,
 323                 .dma_mask = &s3c64xx_ac97_dmamask,
 324                 .coherent_dma_mask = DMA_BIT_MASK(32),
 325         },
 326 };
 327 EXPORT_SYMBOL(s3c64xx_device_ac97);
 328
 329 void __init s3c64xx_ac97_setup_gpio(int num)
 330 {
 331         if (num == S3C64XX_AC97_GPD)
 332                 s3c_ac97_pdata.cfg_gpio = s3c64xx_ac97_cfg_gpd;
 333         else
 334                 s3c_ac97_pdata.cfg_gpio = s3c64xx_ac97_cfg_gpe;
 335 }