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 #include <linux/export.h>
  17
  18 #include <mach/irqs.h>
  19 #include <mach/map.h>
  20 #include <mach/dma.h>
  21
  22 #include <plat/devs.h>
  23 #include <plat/audio.h>
  24 #include <plat/gpio-cfg.h>
  25
  26 static const char *rclksrc[] = {
  27         [0] = "iis",
  28         [1] = "audio-bus",
  29 };
  30
  31 static int s3c64xx_i2s_cfg_gpio(struct platform_device *pdev)
  32 {
  33         unsigned int base;
  34
  35         switch (pdev->id) {
  36         case 0:
  37                 base = S3C64XX_GPD(0);
  38                 break;
  39         case 1:
  40                 base = S3C64XX_GPE(0);
  41                 break;
  42         case 2:
  43                 s3c_gpio_cfgpin(S3C64XX_GPC(4), S3C_GPIO_SFN(5));
  44                 s3c_gpio_cfgpin(S3C64XX_GPC(5), S3C_GPIO_SFN(5));
  45                 s3c_gpio_cfgpin(S3C64XX_GPC(7), S3C_GPIO_SFN(5));
  46                 s3c_gpio_cfgpin_range(S3C64XX_GPH(6), 4, S3C_GPIO_SFN(5));
  47                 return 0;
  48         default:
  49                 printk(KERN_DEBUG "Invalid I2S Controller number: %d\n",
  50                         pdev->id);
  51                 return -EINVAL;
  52         }
  53
  54         s3c_gpio_cfgpin_range(base, 5, S3C_GPIO_SFN(3));
  55
  56         return 0;
  57 }
  58
  59 static struct resource s3c64xx_iis0_resource[] = {
  60         [0] = {
  61                 .start = S3C64XX_PA_IIS0,
  62                 .end   = S3C64XX_PA_IIS0 + 0x100 - 1,
  63                 .flags = IORESOURCE_MEM,
  64         },
  65         [1] = {
  66                 .start = DMACH_I2S0_OUT,
  67                 .end   = DMACH_I2S0_OUT,
  68                 .flags = IORESOURCE_DMA,
  69         },
  70         [2] = {
  71                 .start = DMACH_I2S0_IN,
  72                 .end   = DMACH_I2S0_IN,
  73                 .flags = IORESOURCE_DMA,
  74         },
  75 };
  76
  77 static struct s3c_audio_pdata i2sv3_pdata = {
  78         .cfg_gpio = s3c64xx_i2s_cfg_gpio,
  79         .type = {
  80                 .i2s = {
  81                         .src_clk = rclksrc,
  82                 },
  83         },
  84 };
  85
  86 struct platform_device s3c64xx_device_iis0 = {
  87         .name             = "samsung-i2s",
  88         .id               = 0,
  89         .num_resources    = ARRAY_SIZE(s3c64xx_iis0_resource),
  90         .resource         = s3c64xx_iis0_resource,
  91         .dev = {
  92                 .platform_data = &i2sv3_pdata,
  93         },
  94 };
  95 EXPORT_SYMBOL(s3c64xx_device_iis0);
  96
  97 static struct resource s3c64xx_iis1_resource[] = {
  98         [0] = {
  99                 .start = S3C64XX_PA_IIS1,
 100                 .end   = S3C64XX_PA_IIS1 + 0x100 - 1,
 101                 .flags = IORESOURCE_MEM,
 102         },
 103         [1] = {
 104                 .start = DMACH_I2S1_OUT,
 105                 .end   = DMACH_I2S1_OUT,
 106                 .flags = IORESOURCE_DMA,
 107         },
 108         [2] = {
 109                 .start = DMACH_I2S1_IN,
 110                 .end   = DMACH_I2S1_IN,
 111                 .flags = IORESOURCE_DMA,
 112         },
 113 };
 114
 115 struct platform_device s3c64xx_device_iis1 = {
 116         .name             = "samsung-i2s",
 117         .id               = 1,
 118         .num_resources    = ARRAY_SIZE(s3c64xx_iis1_resource),
 119         .resource         = s3c64xx_iis1_resource,
 120         .dev = {
 121                 .platform_data = &i2sv3_pdata,
 122         },
 123 };
 124 EXPORT_SYMBOL(s3c64xx_device_iis1);
 125
 126 static struct resource s3c64xx_iisv4_resource[] = {
 127         [0] = {
 128                 .start = S3C64XX_PA_IISV4,
 129                 .end   = S3C64XX_PA_IISV4 + 0x100 - 1,
 130                 .flags = IORESOURCE_MEM,
 131         },
 132         [1] = {
 133                 .start = DMACH_HSI_I2SV40_TX,
 134                 .end   = DMACH_HSI_I2SV40_TX,
 135                 .flags = IORESOURCE_DMA,
 136         },
 137         [2] = {
 138                 .start = DMACH_HSI_I2SV40_RX,
 139                 .end   = DMACH_HSI_I2SV40_RX,
 140                 .flags = IORESOURCE_DMA,
 141         },
 142 };
 143
 144 static struct s3c_audio_pdata i2sv4_pdata = {
 145         .cfg_gpio = s3c64xx_i2s_cfg_gpio,
 146         .type = {
 147                 .i2s = {
 148                         .quirks = QUIRK_PRI_6CHAN,
 149                         .src_clk = rclksrc,
 150                 },
 151         },
 152 };
 153
 154 struct platform_device s3c64xx_device_iisv4 = {
 155         .name = "samsung-i2s",
 156         .id = 2,
 157         .num_resources    = ARRAY_SIZE(s3c64xx_iisv4_resource),
 158         .resource         = s3c64xx_iisv4_resource,
 159         .dev = {
 160                 .platform_data = &i2sv4_pdata,
 161         },
 162 };
 163 EXPORT_SYMBOL(s3c64xx_device_iisv4);
 164
 165
 166 /* PCM Controller platform_devices */
 167
 168 static int s3c64xx_pcm_cfg_gpio(struct platform_device *pdev)
 169 {
 170         unsigned int base;
 171
 172         switch (pdev->id) {
 173         case 0:
 174                 base = S3C64XX_GPD(0);
 175                 break;
 176         case 1:
 177                 base = S3C64XX_GPE(0);
 178                 break;
 179         default:
 180                 printk(KERN_DEBUG "Invalid PCM Controller number: %d\n",
 181                         pdev->id);
 182                 return -EINVAL;
 183         }
 184
 185         s3c_gpio_cfgpin_range(base, 5, S3C_GPIO_SFN(2));
 186         return 0;
 187 }
 188
 189 static struct resource s3c64xx_pcm0_resource[] = {
 190         [0] = {
 191                 .start = S3C64XX_PA_PCM0,
 192                 .end   = S3C64XX_PA_PCM0 + 0x100 - 1,
 193                 .flags = IORESOURCE_MEM,
 194         },
 195         [1] = {
 196                 .start = DMACH_PCM0_TX,
 197                 .end   = DMACH_PCM0_TX,
 198                 .flags = IORESOURCE_DMA,
 199         },
 200         [2] = {
 201                 .start = DMACH_PCM0_RX,
 202                 .end   = DMACH_PCM0_RX,
 203                 .flags = IORESOURCE_DMA,
 204         },
 205 };
 206
 207 static struct s3c_audio_pdata s3c_pcm0_pdata = {
 208         .cfg_gpio = s3c64xx_pcm_cfg_gpio,
 209 };
 210
 211 struct platform_device s3c64xx_device_pcm0 = {
 212         .name             = "samsung-pcm",
 213         .id               = 0,
 214         .num_resources    = ARRAY_SIZE(s3c64xx_pcm0_resource),
 215         .resource         = s3c64xx_pcm0_resource,
 216         .dev = {
 217                 .platform_data = &s3c_pcm0_pdata,
 218         },
 219 };
 220 EXPORT_SYMBOL(s3c64xx_device_pcm0);
 221
 222 static struct resource s3c64xx_pcm1_resource[] = {
 223         [0] = {
 224                 .start = S3C64XX_PA_PCM1,
 225                 .end   = S3C64XX_PA_PCM1 + 0x100 - 1,
 226                 .flags = IORESOURCE_MEM,
 227         },
 228         [1] = {
 229                 .start = DMACH_PCM1_TX,
 230                 .end   = DMACH_PCM1_TX,
 231                 .flags = IORESOURCE_DMA,
 232         },
 233         [2] = {
 234                 .start = DMACH_PCM1_RX,
 235                 .end   = DMACH_PCM1_RX,
 236                 .flags = IORESOURCE_DMA,
 237         },
 238 };
 239
 240 static struct s3c_audio_pdata s3c_pcm1_pdata = {
 241         .cfg_gpio = s3c64xx_pcm_cfg_gpio,
 242 };
 243
 244 struct platform_device s3c64xx_device_pcm1 = {
 245         .name             = "samsung-pcm",
 246         .id               = 1,
 247         .num_resources    = ARRAY_SIZE(s3c64xx_pcm1_resource),
 248         .resource         = s3c64xx_pcm1_resource,
 249         .dev = {
 250                 .platform_data = &s3c_pcm1_pdata,
 251         },
 252 };
 253 EXPORT_SYMBOL(s3c64xx_device_pcm1);
 254
 255 /* AC97 Controller platform devices */
 256
 257 static int s3c64xx_ac97_cfg_gpd(struct platform_device *pdev)
 258 {
 259         return s3c_gpio_cfgpin_range(S3C64XX_GPD(0), 5, S3C_GPIO_SFN(4));
 260 }
 261
 262 static int s3c64xx_ac97_cfg_gpe(struct platform_device *pdev)
 263 {
 264         return s3c_gpio_cfgpin_range(S3C64XX_GPE(0), 5, S3C_GPIO_SFN(4));
 265 }
 266
 267 static struct resource s3c64xx_ac97_resource[] = {
 268         [0] = {
 269                 .start = S3C64XX_PA_AC97,
 270                 .end   = S3C64XX_PA_AC97 + 0x100 - 1,
 271                 .flags = IORESOURCE_MEM,
 272         },
 273         [1] = {
 274                 .start = DMACH_AC97_PCMOUT,
 275                 .end   = DMACH_AC97_PCMOUT,
 276                 .flags = IORESOURCE_DMA,
 277         },
 278         [2] = {
 279                 .start = DMACH_AC97_PCMIN,
 280                 .end   = DMACH_AC97_PCMIN,
 281                 .flags = IORESOURCE_DMA,
 282         },
 283         [3] = {
 284                 .start = DMACH_AC97_MICIN,
 285                 .end   = DMACH_AC97_MICIN,
 286                 .flags = IORESOURCE_DMA,
 287         },
 288         [4] = {
 289                 .start = IRQ_AC97,
 290                 .end   = IRQ_AC97,
 291                 .flags = IORESOURCE_IRQ,
 292         },
 293 };
 294
 295 static struct s3c_audio_pdata s3c_ac97_pdata;
 296
 297 static u64 s3c64xx_ac97_dmamask = DMA_BIT_MASK(32);
 298
 299 struct platform_device s3c64xx_device_ac97 = {
 300         .name             = "samsung-ac97",
 301         .id               = -1,
 302         .num_resources    = ARRAY_SIZE(s3c64xx_ac97_resource),
 303         .resource         = s3c64xx_ac97_resource,
 304         .dev = {
 305                 .platform_data = &s3c_ac97_pdata,
 306                 .dma_mask = &s3c64xx_ac97_dmamask,
 307                 .coherent_dma_mask = DMA_BIT_MASK(32),
 308         },
 309 };
 310 EXPORT_SYMBOL(s3c64xx_device_ac97);
 311
 312 void __init s3c64xx_ac97_setup_gpio(int num)
 313 {
 314         if (num == S3C64XX_AC97_GPD)
 315                 s3c_ac97_pdata.cfg_gpio = s3c64xx_ac97_cfg_gpd;
 316         else
 317                 s3c_ac97_pdata.cfg_gpio = s3c64xx_ac97_cfg_gpe;
 318 }