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 const char *rclksrc[] = {
  26         [0] = "iis",
  27         [1] = "audio-bus",
  28 };
  29
  30 static int s3c64xx_i2s_cfg_gpio(struct platform_device *pdev)
  31 {
  32         unsigned int base;
  33
  34         switch (pdev->id) {
  35         case 0:
  36                 base = S3C64XX_GPD(0);
  37                 break;
  38         case 1:
  39                 base = S3C64XX_GPE(0);
  40                 break;
  41         case 2:
  42                 s3c_gpio_cfgpin(S3C64XX_GPC(4), S3C_GPIO_SFN(5));
  43                 s3c_gpio_cfgpin(S3C64XX_GPC(5), S3C_GPIO_SFN(5));
  44                 s3c_gpio_cfgpin(S3C64XX_GPC(7), S3C_GPIO_SFN(5));
  45                 s3c_gpio_cfgpin_range(S3C64XX_GPH(6), 4, S3C_GPIO_SFN(5));
  46                 return 0;
  47         default:
  48                 printk(KERN_DEBUG "Invalid I2S Controller number: %d\n",
  49                         pdev->id);
  50                 return -EINVAL;
  51         }
  52
  53         s3c_gpio_cfgpin_range(base, 5, S3C_GPIO_SFN(3));
  54
  55         return 0;
  56 }
  57
  58 static struct resource s3c64xx_iis0_resource[] = {
  59         [0] = {
  60                 .start = S3C64XX_PA_IIS0,
  61                 .end   = S3C64XX_PA_IIS0 + 0x100 - 1,
  62                 .flags = IORESOURCE_MEM,
  63         },
  64         [1] = {
  65                 .start = DMACH_I2S0_OUT,
  66                 .end   = DMACH_I2S0_OUT,
  67                 .flags = IORESOURCE_DMA,
  68         },
  69         [2] = {
  70                 .start = DMACH_I2S0_IN,
  71                 .end   = DMACH_I2S0_IN,
  72                 .flags = IORESOURCE_DMA,
  73         },
  74 };
  75
  76 static struct s3c_audio_pdata i2sv3_pdata = {
  77         .cfg_gpio = s3c64xx_i2s_cfg_gpio,
  78         .type = {
  79                 .i2s = {
  80                         .src_clk = rclksrc,
  81                 },
  82         },
  83 };
  84
  85 struct platform_device s3c64xx_device_iis0 = {
  86         .name             = "samsung-i2s",
  87         .id               = 0,
  88         .num_resources    = ARRAY_SIZE(s3c64xx_iis0_resource),
  89         .resource         = s3c64xx_iis0_resource,
  90         .dev = {
  91                 .platform_data = &i2sv3_pdata,
  92         },
  93 };
  94 EXPORT_SYMBOL(s3c64xx_device_iis0);
  95
  96 static struct resource s3c64xx_iis1_resource[] = {
  97         [0] = {
  98                 .start = S3C64XX_PA_IIS1,
  99                 .end   = S3C64XX_PA_IIS1 + 0x100 - 1,
 100                 .flags = IORESOURCE_MEM,
 101         },
 102         [1] = {
 103                 .start = DMACH_I2S1_OUT,
 104                 .end   = DMACH_I2S1_OUT,
 105                 .flags = IORESOURCE_DMA,
 106         },
 107         [2] = {
 108                 .start = DMACH_I2S1_IN,
 109                 .end   = DMACH_I2S1_IN,
 110                 .flags = IORESOURCE_DMA,
 111         },
 112 };
 113
 114 struct platform_device s3c64xx_device_iis1 = {
 115         .name             = "samsung-i2s",
 116         .id               = 1,
 117         .num_resources    = ARRAY_SIZE(s3c64xx_iis1_resource),
 118         .resource         = s3c64xx_iis1_resource,
 119         .dev = {
 120                 .platform_data = &i2sv3_pdata,
 121         },
 122 };
 123 EXPORT_SYMBOL(s3c64xx_device_iis1);
 124
 125 static struct resource s3c64xx_iisv4_resource[] = {
 126         [0] = {
 127                 .start = S3C64XX_PA_IISV4,
 128                 .end   = S3C64XX_PA_IISV4 + 0x100 - 1,
 129                 .flags = IORESOURCE_MEM,
 130         },
 131         [1] = {
 132                 .start = DMACH_HSI_I2SV40_TX,
 133                 .end   = DMACH_HSI_I2SV40_TX,
 134                 .flags = IORESOURCE_DMA,
 135         },
 136         [2] = {
 137                 .start = DMACH_HSI_I2SV40_RX,
 138                 .end   = DMACH_HSI_I2SV40_RX,
 139                 .flags = IORESOURCE_DMA,
 140         },
 141 };
 142
 143 static struct s3c_audio_pdata i2sv4_pdata = {
 144         .cfg_gpio = s3c64xx_i2s_cfg_gpio,
 145         .type = {
 146                 .i2s = {
 147                         .quirks = QUIRK_PRI_6CHAN,
 148                         .src_clk = rclksrc,
 149                 },
 150         },
 151 };
 152
 153 struct platform_device s3c64xx_device_iisv4 = {
 154         .name = "samsung-i2s",
 155         .id = 2,
 156         .num_resources    = ARRAY_SIZE(s3c64xx_iisv4_resource),
 157         .resource         = s3c64xx_iisv4_resource,
 158         .dev = {
 159                 .platform_data = &i2sv4_pdata,
 160         },
 161 };
 162 EXPORT_SYMBOL(s3c64xx_device_iisv4);
 163
 164
 165 /* PCM Controller platform_devices */
 166
 167 static int s3c64xx_pcm_cfg_gpio(struct platform_device *pdev)
 168 {
 169         unsigned int base;
 170
 171         switch (pdev->id) {
 172         case 0:
 173                 base = S3C64XX_GPD(0);
 174                 break;
 175         case 1:
 176                 base = S3C64XX_GPE(0);
 177                 break;
 178         default:
 179                 printk(KERN_DEBUG "Invalid PCM Controller number: %d\n",
 180                         pdev->id);
 181                 return -EINVAL;
 182         }
 183
 184         s3c_gpio_cfgpin_range(base, 5, S3C_GPIO_SFN(2));
 185         return 0;
 186 }
 187
 188 static struct resource s3c64xx_pcm0_resource[] = {
 189         [0] = {
 190                 .start = S3C64XX_PA_PCM0,
 191                 .end   = S3C64XX_PA_PCM0 + 0x100 - 1,
 192                 .flags = IORESOURCE_MEM,
 193         },
 194         [1] = {
 195                 .start = DMACH_PCM0_TX,
 196                 .end   = DMACH_PCM0_TX,
 197                 .flags = IORESOURCE_DMA,
 198         },
 199         [2] = {
 200                 .start = DMACH_PCM0_RX,
 201                 .end   = DMACH_PCM0_RX,
 202                 .flags = IORESOURCE_DMA,
 203         },
 204 };
 205
 206 static struct s3c_audio_pdata s3c_pcm0_pdata = {
 207         .cfg_gpio = s3c64xx_pcm_cfg_gpio,
 208 };
 209
 210 struct platform_device s3c64xx_device_pcm0 = {
 211         .name             = "samsung-pcm",
 212         .id               = 0,
 213         .num_resources    = ARRAY_SIZE(s3c64xx_pcm0_resource),
 214         .resource         = s3c64xx_pcm0_resource,
 215         .dev = {
 216                 .platform_data = &s3c_pcm0_pdata,
 217         },
 218 };
 219 EXPORT_SYMBOL(s3c64xx_device_pcm0);
 220
 221 static struct resource s3c64xx_pcm1_resource[] = {
 222         [0] = {
 223                 .start = S3C64XX_PA_PCM1,
 224                 .end   = S3C64XX_PA_PCM1 + 0x100 - 1,
 225                 .flags = IORESOURCE_MEM,
 226         },
 227         [1] = {
 228                 .start = DMACH_PCM1_TX,
 229                 .end   = DMACH_PCM1_TX,
 230                 .flags = IORESOURCE_DMA,
 231         },
 232         [2] = {
 233                 .start = DMACH_PCM1_RX,
 234                 .end   = DMACH_PCM1_RX,
 235                 .flags = IORESOURCE_DMA,
 236         },
 237 };
 238
 239 static struct s3c_audio_pdata s3c_pcm1_pdata = {
 240         .cfg_gpio = s3c64xx_pcm_cfg_gpio,
 241 };
 242
 243 struct platform_device s3c64xx_device_pcm1 = {
 244         .name             = "samsung-pcm",
 245         .id               = 1,
 246         .num_resources    = ARRAY_SIZE(s3c64xx_pcm1_resource),
 247         .resource         = s3c64xx_pcm1_resource,
 248         .dev = {
 249                 .platform_data = &s3c_pcm1_pdata,
 250         },
 251 };
 252 EXPORT_SYMBOL(s3c64xx_device_pcm1);
 253
 254 /* AC97 Controller platform devices */
 255
 256 static int s3c64xx_ac97_cfg_gpd(struct platform_device *pdev)
 257 {
 258         return s3c_gpio_cfgpin_range(S3C64XX_GPD(0), 5, S3C_GPIO_SFN(4));
 259 }
 260
 261 static int s3c64xx_ac97_cfg_gpe(struct platform_device *pdev)
 262 {
 263         return s3c_gpio_cfgpin_range(S3C64XX_GPE(0), 5, S3C_GPIO_SFN(4));
 264 }
 265
 266 static struct resource s3c64xx_ac97_resource[] = {
 267         [0] = {
 268                 .start = S3C64XX_PA_AC97,
 269                 .end   = S3C64XX_PA_AC97 + 0x100 - 1,
 270                 .flags = IORESOURCE_MEM,
 271         },
 272         [1] = {
 273                 .start = DMACH_AC97_PCMOUT,
 274                 .end   = DMACH_AC97_PCMOUT,
 275                 .flags = IORESOURCE_DMA,
 276         },
 277         [2] = {
 278                 .start = DMACH_AC97_PCMIN,
 279                 .end   = DMACH_AC97_PCMIN,
 280                 .flags = IORESOURCE_DMA,
 281         },
 282         [3] = {
 283                 .start = DMACH_AC97_MICIN,
 284                 .end   = DMACH_AC97_MICIN,
 285                 .flags = IORESOURCE_DMA,
 286         },
 287         [4] = {
 288                 .start = IRQ_AC97,
 289                 .end   = IRQ_AC97,
 290                 .flags = IORESOURCE_IRQ,
 291         },
 292 };
 293
 294 static struct s3c_audio_pdata s3c_ac97_pdata;
 295
 296 static u64 s3c64xx_ac97_dmamask = DMA_BIT_MASK(32);
 297
 298 struct platform_device s3c64xx_device_ac97 = {
 299         .name             = "samsung-ac97",
 300         .id               = -1,
 301         .num_resources    = ARRAY_SIZE(s3c64xx_ac97_resource),
 302         .resource         = s3c64xx_ac97_resource,
 303         .dev = {
 304                 .platform_data = &s3c_ac97_pdata,
 305                 .dma_mask = &s3c64xx_ac97_dmamask,
 306                 .coherent_dma_mask = DMA_BIT_MASK(32),
 307         },
 308 };
 309 EXPORT_SYMBOL(s3c64xx_device_ac97);
 310
 311 void __init s3c64xx_ac97_setup_gpio(int num)
 312 {
 313         if (num == S3C64XX_AC97_GPD)
 314                 s3c_ac97_pdata.cfg_gpio = s3c64xx_ac97_cfg_gpd;
 315         else
 316                 s3c_ac97_pdata.cfg_gpio = s3c64xx_ac97_cfg_gpe;
 317 }