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 0: /* Dedicated pins */
  27                 break;
  28         case 1:
  29                 s3c_gpio_cfgpin_range(S5PC100_GPC(0), 5, S3C_GPIO_SFN(2));
  30                 break;
  31         case 2:
  32                 s3c_gpio_cfgpin_range(S5PC100_GPG3(0), 5, S3C_GPIO_SFN(4));
  33                 break;
  34         default:
  35                 printk(KERN_ERR "Invalid Device %d\n", pdev->id);
  36                 return -EINVAL;
  37         }
  38
  39         return 0;
  40 }
  41
  42 static const char *rclksrc_v5[] = {
  43         [0] = "iis",
  44         [1] = "i2sclkd2",
  45 };
  46
  47 static struct s3c_audio_pdata i2sv5_pdata = {
  48         .cfg_gpio = s5pc100_cfg_i2s,
  49         .type = {
  50                 .i2s = {
  51                         .quirks = QUIRK_PRI_6CHAN | QUIRK_SEC_DAI
  52                                          | QUIRK_NEED_RSTCLR,
  53                         .src_clk = rclksrc_v5,
  54                 },
  55         },
  56 };
  57
  58 static struct resource s5pc100_iis0_resource[] = {
  59         [0] = {
  60                 .start = S5PC100_PA_I2S0,
  61                 .end   = S5PC100_PA_I2S0 + 0x100 - 1,
  62                 .flags = IORESOURCE_MEM,
  63         },
  64         [1] = {
  65                 .start = DMACH_I2S0_TX,
  66                 .end   = DMACH_I2S0_TX,
  67                 .flags = IORESOURCE_DMA,
  68         },
  69         [2] = {
  70                 .start = DMACH_I2S0_RX,
  71                 .end   = DMACH_I2S0_RX,
  72                 .flags = IORESOURCE_DMA,
  73         },
  74         [3] = {
  75                 .start = DMACH_I2S0S_TX,
  76                 .end = DMACH_I2S0S_TX,
  77                 .flags = IORESOURCE_DMA,
  78         },
  79 };
  80
  81 struct platform_device s5pc100_device_iis0 = {
  82         .name = "samsung-i2s",
  83         .id = 0,
  84         .num_resources    = ARRAY_SIZE(s5pc100_iis0_resource),
  85         .resource         = s5pc100_iis0_resource,
  86         .dev = {
  87                 .platform_data = &i2sv5_pdata,
  88         },
  89 };
  90
  91 static const char *rclksrc_v3[] = {
  92         [0] = "iis",
  93         [1] = "sclk_audio",
  94 };
  95
  96 static struct s3c_audio_pdata i2sv3_pdata = {
  97         .cfg_gpio = s5pc100_cfg_i2s,
  98         .type = {
  99                 .i2s = {
 100                         .src_clk = rclksrc_v3,
 101                 },
 102         },
 103 };
 104
 105 static struct resource s5pc100_iis1_resource[] = {
 106         [0] = {
 107                 .start = S5PC100_PA_I2S1,
 108                 .end   = S5PC100_PA_I2S1 + 0x100 - 1,
 109                 .flags = IORESOURCE_MEM,
 110         },
 111         [1] = {
 112                 .start = DMACH_I2S1_TX,
 113                 .end   = DMACH_I2S1_TX,
 114                 .flags = IORESOURCE_DMA,
 115         },
 116         [2] = {
 117                 .start = DMACH_I2S1_RX,
 118                 .end   = DMACH_I2S1_RX,
 119                 .flags = IORESOURCE_DMA,
 120         },
 121 };
 122
 123 struct platform_device s5pc100_device_iis1 = {
 124         .name             = "samsung-i2s",
 125         .id               = 1,
 126         .num_resources    = ARRAY_SIZE(s5pc100_iis1_resource),
 127         .resource         = s5pc100_iis1_resource,
 128         .dev = {
 129                 .platform_data = &i2sv3_pdata,
 130         },
 131 };
 132
 133 static struct resource s5pc100_iis2_resource[] = {
 134         [0] = {
 135                 .start = S5PC100_PA_I2S2,
 136                 .end   = S5PC100_PA_I2S2 + 0x100 - 1,
 137                 .flags = IORESOURCE_MEM,
 138         },
 139         [1] = {
 140                 .start = DMACH_I2S2_TX,
 141                 .end   = DMACH_I2S2_TX,
 142                 .flags = IORESOURCE_DMA,
 143         },
 144         [2] = {
 145                 .start = DMACH_I2S2_RX,
 146                 .end   = DMACH_I2S2_RX,
 147                 .flags = IORESOURCE_DMA,
 148         },
 149 };
 150
 151 struct platform_device s5pc100_device_iis2 = {
 152         .name             = "samsung-i2s",
 153         .id               = 2,
 154         .num_resources    = ARRAY_SIZE(s5pc100_iis2_resource),
 155         .resource         = s5pc100_iis2_resource,
 156         .dev = {
 157                 .platform_data = &i2sv3_pdata,
 158         },
 159 };
 160
 161 /* PCM Controller platform_devices */
 162
 163 static int s5pc100_pcm_cfg_gpio(struct platform_device *pdev)
 164 {
 165         switch (pdev->id) {
 166         case 0:
 167                 s3c_gpio_cfgpin_range(S5PC100_GPG3(0), 5, S3C_GPIO_SFN(5));
 168                 break;
 169
 170         case 1:
 171                 s3c_gpio_cfgpin_range(S5PC100_GPC(0), 5, S3C_GPIO_SFN(3));
 172                 break;
 173
 174         default:
 175                 printk(KERN_DEBUG "Invalid PCM Controller number!");
 176                 return -EINVAL;
 177         }
 178
 179         return 0;
 180 }
 181
 182 static struct s3c_audio_pdata s3c_pcm_pdata = {
 183         .cfg_gpio = s5pc100_pcm_cfg_gpio,
 184 };
 185
 186 static struct resource s5pc100_pcm0_resource[] = {
 187         [0] = {
 188                 .start = S5PC100_PA_PCM0,
 189                 .end   = S5PC100_PA_PCM0 + 0x100 - 1,
 190                 .flags = IORESOURCE_MEM,
 191         },
 192         [1] = {
 193                 .start = DMACH_PCM0_TX,
 194                 .end   = DMACH_PCM0_TX,
 195                 .flags = IORESOURCE_DMA,
 196         },
 197         [2] = {
 198                 .start = DMACH_PCM0_RX,
 199                 .end   = DMACH_PCM0_RX,
 200                 .flags = IORESOURCE_DMA,
 201         },
 202 };
 203
 204 struct platform_device s5pc100_device_pcm0 = {
 205         .name             = "samsung-pcm",
 206         .id               = 0,
 207         .num_resources    = ARRAY_SIZE(s5pc100_pcm0_resource),
 208         .resource         = s5pc100_pcm0_resource,
 209         .dev = {
 210                 .platform_data = &s3c_pcm_pdata,
 211         },
 212 };
 213
 214 static struct resource s5pc100_pcm1_resource[] = {
 215         [0] = {
 216                 .start = S5PC100_PA_PCM1,
 217                 .end   = S5PC100_PA_PCM1 + 0x100 - 1,
 218                 .flags = IORESOURCE_MEM,
 219         },
 220         [1] = {
 221                 .start = DMACH_PCM1_TX,
 222                 .end   = DMACH_PCM1_TX,
 223                 .flags = IORESOURCE_DMA,
 224         },
 225         [2] = {
 226                 .start = DMACH_PCM1_RX,
 227                 .end   = DMACH_PCM1_RX,
 228                 .flags = IORESOURCE_DMA,
 229         },
 230 };
 231
 232 struct platform_device s5pc100_device_pcm1 = {
 233         .name             = "samsung-pcm",
 234         .id               = 1,
 235         .num_resources    = ARRAY_SIZE(s5pc100_pcm1_resource),
 236         .resource         = s5pc100_pcm1_resource,
 237         .dev = {
 238                 .platform_data = &s3c_pcm_pdata,
 239         },
 240 };
 241
 242 /* AC97 Controller platform devices */
 243
 244 static int s5pc100_ac97_cfg_gpio(struct platform_device *pdev)
 245 {
 246         return s3c_gpio_cfgpin_range(S5PC100_GPC(0), 5, S3C_GPIO_SFN(4));
 247 }
 248
 249 static struct resource s5pc100_ac97_resource[] = {
 250         [0] = {
 251                 .start = S5PC100_PA_AC97,
 252                 .end   = S5PC100_PA_AC97 + 0x100 - 1,
 253                 .flags = IORESOURCE_MEM,
 254         },
 255         [1] = {
 256                 .start = DMACH_AC97_PCMOUT,
 257                 .end   = DMACH_AC97_PCMOUT,
 258                 .flags = IORESOURCE_DMA,
 259         },
 260         [2] = {
 261                 .start = DMACH_AC97_PCMIN,
 262                 .end   = DMACH_AC97_PCMIN,
 263                 .flags = IORESOURCE_DMA,
 264         },
 265         [3] = {
 266                 .start = DMACH_AC97_MICIN,
 267                 .end   = DMACH_AC97_MICIN,
 268                 .flags = IORESOURCE_DMA,
 269         },
 270         [4] = {
 271                 .start = IRQ_AC97,
 272                 .end   = IRQ_AC97,
 273                 .flags = IORESOURCE_IRQ,
 274         },
 275 };
 276
 277 static struct s3c_audio_pdata s3c_ac97_pdata = {
 278         .cfg_gpio = s5pc100_ac97_cfg_gpio,
 279 };
 280
 281 static u64 s5pc100_ac97_dmamask = DMA_BIT_MASK(32);
 282
 283 struct platform_device s5pc100_device_ac97 = {
 284         .name             = "samsung-ac97",
 285         .id               = -1,
 286         .num_resources    = ARRAY_SIZE(s5pc100_ac97_resource),
 287         .resource         = s5pc100_ac97_resource,
 288         .dev = {
 289                 .platform_data = &s3c_ac97_pdata,
 290                 .dma_mask = &s5pc100_ac97_dmamask,
 291                 .coherent_dma_mask = DMA_BIT_MASK(32),
 292         },
 293 };
 294
 295 /* S/PDIF Controller platform_device */
 296 static int s5pc100_spdif_cfg_gpd(struct platform_device *pdev)
 297 {
 298         s3c_gpio_cfgpin_range(S5PC100_GPD(5), 2, S3C_GPIO_SFN(3));
 299
 300         return 0;
 301 }
 302
 303 static int s5pc100_spdif_cfg_gpg3(struct platform_device *pdev)
 304 {
 305         s3c_gpio_cfgpin_range(S5PC100_GPG3(5), 2, S3C_GPIO_SFN(3));
 306
 307         return 0;
 308 }
 309
 310 static struct resource s5pc100_spdif_resource[] = {
 311         [0] = {
 312                 .start  = S5PC100_PA_SPDIF,
 313                 .end    = S5PC100_PA_SPDIF + 0x100 - 1,
 314                 .flags  = IORESOURCE_MEM,
 315         },
 316         [1] = {
 317                 .start  = DMACH_SPDIF,
 318                 .end    = DMACH_SPDIF,
 319                 .flags  = IORESOURCE_DMA,
 320         },
 321 };
 322
 323 static struct s3c_audio_pdata s5p_spdif_pdata = {
 324         .cfg_gpio = s5pc100_spdif_cfg_gpd,
 325 };
 326
 327 static u64 s5pc100_spdif_dmamask = DMA_BIT_MASK(32);
 328
 329 struct platform_device s5pc100_device_spdif = {
 330         .name           = "samsung-spdif",
 331         .id             = -1,
 332         .num_resources  = ARRAY_SIZE(s5pc100_spdif_resource),
 333         .resource       = s5pc100_spdif_resource,
 334         .dev = {
 335                 .platform_data = &s5p_spdif_pdata,
 336                 .dma_mask = &s5pc100_spdif_dmamask,
 337                 .coherent_dma_mask = DMA_BIT_MASK(32),
 338         },
 339 };
 340
 341 void __init s5pc100_spdif_setup_gpio(int gpio)
 342 {
 343         if (gpio == S5PC100_SPDIF_GPD)
 344                 s5p_spdif_pdata.cfg_gpio = s5pc100_spdif_cfg_gpd;
 345         else
 346                 s5p_spdif_pdata.cfg_gpio = s5pc100_spdif_cfg_gpg3;
 347 }