arch/arm/mach-exynos4/dev-audio.c

   1 /* linux/arch/arm/mach-exynos4/dev-audio.c
   2  *
   3  * Copyright (c) 2011 Samsung Electronics Co., Ltd.
   4  *              http://www.samsung.com
   5  *
   6  * Copyright (c) 2010 Samsung Electronics Co. Ltd
   7  *      Jaswinder Singh <jassi.brar@samsung.com>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License version 2 as
  11  * published by the Free Software Foundation.
  12  */
  13
  14 #include <linux/platform_device.h>
  15 #include <linux/dma-mapping.h>
  16 #include <linux/gpio.h>
  17
  18 #include <plat/gpio-cfg.h>
  19 #include <plat/audio.h>
  20
  21 #include <mach/map.h>
  22 #include <mach/dma.h>
  23 #include <mach/irqs.h>
  24
  25 static const char *rclksrc[] = {
  26         [0] = "busclk",
  27         [1] = "i2sclk",
  28 };
  29
  30 static int exynos4_cfg_i2s(struct platform_device *pdev)
  31 {
  32         /* configure GPIO for i2s port */
  33         switch (pdev->id) {
  34         case 0:
  35                 s3c_gpio_cfgpin_range(EXYNOS4_GPZ(0), 7, S3C_GPIO_SFN(2));
  36                 break;
  37         case 1:
  38                 s3c_gpio_cfgpin_range(EXYNOS4_GPC0(0), 5, S3C_GPIO_SFN(2));
  39                 break;
  40         case 2:
  41                 s3c_gpio_cfgpin_range(EXYNOS4_GPC1(0), 5, S3C_GPIO_SFN(4));
  42                 break;
  43         default:
  44                 printk(KERN_ERR "Invalid Device %d\n", pdev->id);
  45                 return -EINVAL;
  46         }
  47
  48         return 0;
  49 }
  50
  51 static struct s3c_audio_pdata i2sv5_pdata = {
  52         .cfg_gpio = exynos4_cfg_i2s,
  53         .type = {
  54                 .i2s = {
  55                         .quirks = QUIRK_PRI_6CHAN | QUIRK_SEC_DAI
  56                                          | QUIRK_NEED_RSTCLR,
  57                         .src_clk = rclksrc,
  58                 },
  59         },
  60 };
  61
  62 static struct resource exynos4_i2s0_resource[] = {
  63         [0] = {
  64                 .start  = EXYNOS4_PA_I2S0,
  65                 .end    = EXYNOS4_PA_I2S0 + 0x100 - 1,
  66                 .flags  = IORESOURCE_MEM,
  67         },
  68         [1] = {
  69                 .start  = DMACH_I2S0_TX,
  70                 .end    = DMACH_I2S0_TX,
  71                 .flags  = IORESOURCE_DMA,
  72         },
  73         [2] = {
  74                 .start  = DMACH_I2S0_RX,
  75                 .end    = DMACH_I2S0_RX,
  76                 .flags  = IORESOURCE_DMA,
  77         },
  78         [3] = {
  79                 .start  = DMACH_I2S0S_TX,
  80                 .end    = DMACH_I2S0S_TX,
  81                 .flags  = IORESOURCE_DMA,
  82         },
  83 };
  84
  85 struct platform_device exynos4_device_i2s0 = {
  86         .name = "samsung-i2s",
  87         .id = 0,
  88         .num_resources = ARRAY_SIZE(exynos4_i2s0_resource),
  89         .resource = exynos4_i2s0_resource,
  90         .dev = {
  91                 .platform_data = &i2sv5_pdata,
  92         },
  93 };
  94
  95 static const char *rclksrc_v3[] = {
  96         [0] = "sclk_i2s",
  97         [1] = "no_such_clock",
  98 };
  99
 100 static struct s3c_audio_pdata i2sv3_pdata = {
 101         .cfg_gpio = exynos4_cfg_i2s,
 102         .type = {
 103                 .i2s = {
 104                         .quirks = QUIRK_NO_MUXPSR,
 105                         .src_clk = rclksrc_v3,
 106                 },
 107         },
 108 };
 109
 110 static struct resource exynos4_i2s1_resource[] = {
 111         [0] = {
 112                 .start  = EXYNOS4_PA_I2S1,
 113                 .end    = EXYNOS4_PA_I2S1 + 0x100 - 1,
 114                 .flags  = IORESOURCE_MEM,
 115         },
 116         [1] = {
 117                 .start  = DMACH_I2S1_TX,
 118                 .end    = DMACH_I2S1_TX,
 119                 .flags  = IORESOURCE_DMA,
 120         },
 121         [2] = {
 122                 .start  = DMACH_I2S1_RX,
 123                 .end    = DMACH_I2S1_RX,
 124                 .flags  = IORESOURCE_DMA,
 125         },
 126 };
 127
 128 struct platform_device exynos4_device_i2s1 = {
 129         .name = "samsung-i2s",
 130         .id = 1,
 131         .num_resources = ARRAY_SIZE(exynos4_i2s1_resource),
 132         .resource = exynos4_i2s1_resource,
 133         .dev = {
 134                 .platform_data = &i2sv3_pdata,
 135         },
 136 };
 137
 138 static struct resource exynos4_i2s2_resource[] = {
 139         [0] = {
 140                 .start  = EXYNOS4_PA_I2S2,
 141                 .end    = EXYNOS4_PA_I2S2 + 0x100 - 1,
 142                 .flags  = IORESOURCE_MEM,
 143         },
 144         [1] = {
 145                 .start  = DMACH_I2S2_TX,
 146                 .end    = DMACH_I2S2_TX,
 147                 .flags  = IORESOURCE_DMA,
 148         },
 149         [2] = {
 150                 .start  = DMACH_I2S2_RX,
 151                 .end    = DMACH_I2S2_RX,
 152                 .flags  = IORESOURCE_DMA,
 153         },
 154 };
 155
 156 struct platform_device exynos4_device_i2s2 = {
 157         .name = "samsung-i2s",
 158         .id = 2,
 159         .num_resources = ARRAY_SIZE(exynos4_i2s2_resource),
 160         .resource = exynos4_i2s2_resource,
 161         .dev = {
 162                 .platform_data = &i2sv3_pdata,
 163         },
 164 };
 165
 166 /* PCM Controller platform_devices */
 167
 168 static int exynos4_pcm_cfg_gpio(struct platform_device *pdev)
 169 {
 170         switch (pdev->id) {
 171         case 0:
 172                 s3c_gpio_cfgpin_range(EXYNOS4_GPZ(0), 5, S3C_GPIO_SFN(3));
 173                 break;
 174         case 1:
 175                 s3c_gpio_cfgpin_range(EXYNOS4_GPC0(0), 5, S3C_GPIO_SFN(3));
 176                 break;
 177         case 2:
 178                 s3c_gpio_cfgpin_range(EXYNOS4_GPC1(0), 5, S3C_GPIO_SFN(3));
 179                 break;
 180         default:
 181                 printk(KERN_DEBUG "Invalid PCM Controller number!");
 182                 return -EINVAL;
 183         }
 184
 185         return 0;
 186 }
 187
 188 static struct s3c_audio_pdata s3c_pcm_pdata = {
 189         .cfg_gpio = exynos4_pcm_cfg_gpio,
 190 };
 191
 192 static struct resource exynos4_pcm0_resource[] = {
 193         [0] = {
 194                 .start  = EXYNOS4_PA_PCM0,
 195                 .end    = EXYNOS4_PA_PCM0 + 0x100 - 1,
 196                 .flags  = IORESOURCE_MEM,
 197         },
 198         [1] = {
 199                 .start  = DMACH_PCM0_TX,
 200                 .end    = DMACH_PCM0_TX,
 201                 .flags  = IORESOURCE_DMA,
 202         },
 203         [2] = {
 204                 .start  = DMACH_PCM0_RX,
 205                 .end    = DMACH_PCM0_RX,
 206                 .flags  = IORESOURCE_DMA,
 207         },
 208 };
 209
 210 struct platform_device exynos4_device_pcm0 = {
 211         .name = "samsung-pcm",
 212         .id = 0,
 213         .num_resources = ARRAY_SIZE(exynos4_pcm0_resource),
 214         .resource = exynos4_pcm0_resource,
 215         .dev = {
 216                 .platform_data = &s3c_pcm_pdata,
 217         },
 218 };
 219
 220 static struct resource exynos4_pcm1_resource[] = {
 221         [0] = {
 222                 .start  = EXYNOS4_PA_PCM1,
 223                 .end    = EXYNOS4_PA_PCM1 + 0x100 - 1,
 224                 .flags  = IORESOURCE_MEM,
 225         },
 226         [1] = {
 227                 .start  = DMACH_PCM1_TX,
 228                 .end    = DMACH_PCM1_TX,
 229                 .flags  = IORESOURCE_DMA,
 230         },
 231         [2] = {
 232                 .start  = DMACH_PCM1_RX,
 233                 .end    = DMACH_PCM1_RX,
 234                 .flags  = IORESOURCE_DMA,
 235         },
 236 };
 237
 238 struct platform_device exynos4_device_pcm1 = {
 239         .name = "samsung-pcm",
 240         .id = 1,
 241         .num_resources = ARRAY_SIZE(exynos4_pcm1_resource),
 242         .resource = exynos4_pcm1_resource,
 243         .dev = {
 244                 .platform_data = &s3c_pcm_pdata,
 245         },
 246 };
 247
 248 static struct resource exynos4_pcm2_resource[] = {
 249         [0] = {
 250                 .start  = EXYNOS4_PA_PCM2,
 251                 .end    = EXYNOS4_PA_PCM2 + 0x100 - 1,
 252                 .flags  = IORESOURCE_MEM,
 253         },
 254         [1] = {
 255                 .start  = DMACH_PCM2_TX,
 256                 .end    = DMACH_PCM2_TX,
 257                 .flags  = IORESOURCE_DMA,
 258         },
 259         [2] = {
 260                 .start  = DMACH_PCM2_RX,
 261                 .end    = DMACH_PCM2_RX,
 262                 .flags  = IORESOURCE_DMA,
 263         },
 264 };
 265
 266 struct platform_device exynos4_device_pcm2 = {
 267         .name = "samsung-pcm",
 268         .id = 2,
 269         .num_resources = ARRAY_SIZE(exynos4_pcm2_resource),
 270         .resource = exynos4_pcm2_resource,
 271         .dev = {
 272                 .platform_data = &s3c_pcm_pdata,
 273         },
 274 };
 275
 276 /* AC97 Controller platform devices */
 277
 278 static int exynos4_ac97_cfg_gpio(struct platform_device *pdev)
 279 {
 280         return s3c_gpio_cfgpin_range(EXYNOS4_GPC0(0), 5, S3C_GPIO_SFN(4));
 281 }
 282
 283 static struct resource exynos4_ac97_resource[] = {
 284         [0] = {
 285                 .start  = EXYNOS4_PA_AC97,
 286                 .end    = EXYNOS4_PA_AC97 + 0x100 - 1,
 287                 .flags  = IORESOURCE_MEM,
 288         },
 289         [1] = {
 290                 .start  = DMACH_AC97_PCMOUT,
 291                 .end    = DMACH_AC97_PCMOUT,
 292                 .flags  = IORESOURCE_DMA,
 293         },
 294         [2] = {
 295                 .start  = DMACH_AC97_PCMIN,
 296                 .end    = DMACH_AC97_PCMIN,
 297                 .flags  = IORESOURCE_DMA,
 298         },
 299         [3] = {
 300                 .start  = DMACH_AC97_MICIN,
 301                 .end    = DMACH_AC97_MICIN,
 302                 .flags  = IORESOURCE_DMA,
 303         },
 304         [4] = {
 305                 .start  = IRQ_AC97,
 306                 .end    = IRQ_AC97,
 307                 .flags  = IORESOURCE_IRQ,
 308         },
 309 };
 310
 311 static struct s3c_audio_pdata s3c_ac97_pdata = {
 312         .cfg_gpio = exynos4_ac97_cfg_gpio,
 313 };
 314
 315 static u64 exynos4_ac97_dmamask = DMA_BIT_MASK(32);
 316
 317 struct platform_device exynos4_device_ac97 = {
 318         .name = "samsung-ac97",
 319         .id = -1,
 320         .num_resources = ARRAY_SIZE(exynos4_ac97_resource),
 321         .resource = exynos4_ac97_resource,
 322         .dev = {
 323                 .platform_data = &s3c_ac97_pdata,
 324                 .dma_mask = &exynos4_ac97_dmamask,
 325                 .coherent_dma_mask = DMA_BIT_MASK(32),
 326         },
 327 };
 328
 329 /* S/PDIF Controller platform_device */
 330
 331 static int exynos4_spdif_cfg_gpio(struct platform_device *pdev)
 332 {
 333         s3c_gpio_cfgpin_range(EXYNOS4_GPC1(0), 2, S3C_GPIO_SFN(3));
 334
 335         return 0;
 336 }
 337
 338 static struct resource exynos4_spdif_resource[] = {
 339         [0] = {
 340                 .start  = EXYNOS4_PA_SPDIF,
 341                 .end    = EXYNOS4_PA_SPDIF + 0x100 - 1,
 342                 .flags  = IORESOURCE_MEM,
 343         },
 344         [1] = {
 345                 .start  = DMACH_SPDIF,
 346                 .end    = DMACH_SPDIF,
 347                 .flags  = IORESOURCE_DMA,
 348         },
 349 };
 350
 351 static struct s3c_audio_pdata samsung_spdif_pdata = {
 352         .cfg_gpio = exynos4_spdif_cfg_gpio,
 353 };
 354
 355 static u64 exynos4_spdif_dmamask = DMA_BIT_MASK(32);
 356
 357 struct platform_device exynos4_device_spdif = {
 358         .name = "samsung-spdif",
 359         .id = -1,
 360         .num_resources = ARRAY_SIZE(exynos4_spdif_resource),
 361         .resource = exynos4_spdif_resource,
 362         .dev = {
 363                 .platform_data = &samsung_spdif_pdata,
 364                 .dma_mask = &exynos4_spdif_dmamask,
 365                 .coherent_dma_mask = DMA_BIT_MASK(32),
 366         },
 367 };