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 int s3c64xx_i2sv3_cfg_gpio(struct platform_device *pdev)
  26 {
  27         switch (pdev->id) {
  28         case 0:
  29                 s3c_gpio_cfgpin(S3C64XX_GPD(0), S3C_GPIO_SFN(3));
  30                 s3c_gpio_cfgpin(S3C64XX_GPD(1), S3C_GPIO_SFN(3));
  31                 s3c_gpio_cfgpin(S3C64XX_GPD(2), S3C_GPIO_SFN(3));
  32                 s3c_gpio_cfgpin(S3C64XX_GPD(3), S3C_GPIO_SFN(3));
  33                 s3c_gpio_cfgpin(S3C64XX_GPD(4), S3C_GPIO_SFN(3));
  34                 break;
  35         case 1:
  36                 s3c_gpio_cfgpin(S3C64XX_GPE(0), S3C_GPIO_SFN(3));
  37                 s3c_gpio_cfgpin(S3C64XX_GPE(1), S3C_GPIO_SFN(3));
  38                 s3c_gpio_cfgpin(S3C64XX_GPE(2), S3C_GPIO_SFN(3));
  39                 s3c_gpio_cfgpin(S3C64XX_GPE(3), S3C_GPIO_SFN(3));
  40                 s3c_gpio_cfgpin(S3C64XX_GPE(4), S3C_GPIO_SFN(3));
  41         default:
  42                 printk(KERN_DEBUG "Invalid I2S Controller number!");
  43                 return -EINVAL;
  44         }
  45
  46         return 0;
  47 }
  48
  49 static int s3c64xx_i2sv4_cfg_gpio(struct platform_device *pdev)
  50 {
  51         s3c_gpio_cfgpin(S3C64XX_GPC(4), S3C_GPIO_SFN(5));
  52         s3c_gpio_cfgpin(S3C64XX_GPC(5), S3C_GPIO_SFN(5));
  53         s3c_gpio_cfgpin(S3C64XX_GPC(7), S3C_GPIO_SFN(5));
  54         s3c_gpio_cfgpin(S3C64XX_GPH(6), S3C_GPIO_SFN(4));
  55         s3c_gpio_cfgpin(S3C64XX_GPH(7), S3C_GPIO_SFN(4));
  56         s3c_gpio_cfgpin(S3C64XX_GPH(8), S3C_GPIO_SFN(4));
  57         s3c_gpio_cfgpin(S3C64XX_GPH(9), S3C_GPIO_SFN(4));
  58
  59         return 0;
  60 }
  61
  62 static struct resource s3c64xx_iis0_resource[] = {
  63         [0] = {
  64                 .start = S3C64XX_PA_IIS0,
  65                 .end   = S3C64XX_PA_IIS0 + 0x100 - 1,
  66                 .flags = IORESOURCE_MEM,
  67         },
  68         [1] = {
  69                 .start = DMACH_I2S0_OUT,
  70                 .end   = DMACH_I2S0_OUT,
  71                 .flags = IORESOURCE_DMA,
  72         },
  73         [2] = {
  74                 .start = DMACH_I2S0_IN,
  75                 .end   = DMACH_I2S0_IN,
  76                 .flags = IORESOURCE_DMA,
  77         },
  78 };
  79
  80 static struct s3c_audio_pdata s3c_i2s0_pdata = {
  81         .cfg_gpio = s3c64xx_i2sv3_cfg_gpio,
  82 };
  83
  84 struct platform_device s3c64xx_device_iis0 = {
  85         .name             = "s3c64xx-iis",
  86         .id               = 0,
  87         .num_resources    = ARRAY_SIZE(s3c64xx_iis0_resource),
  88         .resource         = s3c64xx_iis0_resource,
  89         .dev = {
  90                 .platform_data = &s3c_i2s0_pdata,
  91         },
  92 };
  93 EXPORT_SYMBOL(s3c64xx_device_iis0);
  94
  95 static struct resource s3c64xx_iis1_resource[] = {
  96         [0] = {
  97                 .start = S3C64XX_PA_IIS1,
  98                 .end   = S3C64XX_PA_IIS1 + 0x100 - 1,
  99                 .flags = IORESOURCE_MEM,
 100         },
 101         [1] = {
 102                 .start = DMACH_I2S1_OUT,
 103                 .end   = DMACH_I2S1_OUT,
 104                 .flags = IORESOURCE_DMA,
 105         },
 106         [2] = {
 107                 .start = DMACH_I2S1_IN,
 108                 .end   = DMACH_I2S1_IN,
 109                 .flags = IORESOURCE_DMA,
 110         },
 111 };
 112
 113 static struct s3c_audio_pdata s3c_i2s1_pdata = {
 114         .cfg_gpio = s3c64xx_i2sv3_cfg_gpio,
 115 };
 116
 117 struct platform_device s3c64xx_device_iis1 = {
 118         .name             = "s3c64xx-iis",
 119         .id               = 1,
 120         .num_resources    = ARRAY_SIZE(s3c64xx_iis1_resource),
 121         .resource         = s3c64xx_iis1_resource,
 122         .dev = {
 123                 .platform_data = &s3c_i2s1_pdata,
 124         },
 125 };
 126 EXPORT_SYMBOL(s3c64xx_device_iis1);
 127
 128 static struct resource s3c64xx_iisv4_resource[] = {
 129         [0] = {
 130                 .start = S3C64XX_PA_IISV4,
 131                 .end   = S3C64XX_PA_IISV4 + 0x100 - 1,
 132                 .flags = IORESOURCE_MEM,
 133         },
 134         [1] = {
 135                 .start = DMACH_HSI_I2SV40_TX,
 136                 .end   = DMACH_HSI_I2SV40_TX,
 137                 .flags = IORESOURCE_DMA,
 138         },
 139         [2] = {
 140                 .start = DMACH_HSI_I2SV40_RX,
 141                 .end   = DMACH_HSI_I2SV40_RX,
 142                 .flags = IORESOURCE_DMA,
 143         },
 144 };
 145
 146 static struct s3c_audio_pdata s3c_i2sv4_pdata = {
 147         .cfg_gpio = s3c64xx_i2sv4_cfg_gpio,
 148 };
 149
 150 struct platform_device s3c64xx_device_iisv4 = {
 151         .name             = "s3c64xx-iis-v4",
 152         .id               = -1,
 153         .num_resources    = ARRAY_SIZE(s3c64xx_iisv4_resource),
 154         .resource         = s3c64xx_iisv4_resource,
 155         .dev = {
 156                 .platform_data = &s3c_i2sv4_pdata,
 157         },
 158 };
 159 EXPORT_SYMBOL(s3c64xx_device_iisv4);
 160
 161
 162 /* PCM Controller platform_devices */
 163
 164 static int s3c64xx_pcm_cfg_gpio(struct platform_device *pdev)
 165 {
 166         switch (pdev->id) {
 167         case 0:
 168                 s3c_gpio_cfgpin(S3C64XX_GPD(0), S3C_GPIO_SFN(2));
 169                 s3c_gpio_cfgpin(S3C64XX_GPD(1), S3C_GPIO_SFN(2));
 170                 s3c_gpio_cfgpin(S3C64XX_GPD(2), S3C_GPIO_SFN(2));
 171                 s3c_gpio_cfgpin(S3C64XX_GPD(3), S3C_GPIO_SFN(2));
 172                 s3c_gpio_cfgpin(S3C64XX_GPD(4), S3C_GPIO_SFN(2));
 173                 break;
 174         case 1:
 175                 s3c_gpio_cfgpin(S3C64XX_GPE(0), S3C_GPIO_SFN(2));
 176                 s3c_gpio_cfgpin(S3C64XX_GPE(1), S3C_GPIO_SFN(2));
 177                 s3c_gpio_cfgpin(S3C64XX_GPE(2), S3C_GPIO_SFN(2));
 178                 s3c_gpio_cfgpin(S3C64XX_GPE(3), S3C_GPIO_SFN(2));
 179                 s3c_gpio_cfgpin(S3C64XX_GPE(4), S3C_GPIO_SFN(2));
 180                 break;
 181         default:
 182                 printk(KERN_DEBUG "Invalid PCM Controller number!");
 183                 return -EINVAL;
 184         }
 185
 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         s3c_gpio_cfgpin(S3C64XX_GPD(0), S3C_GPIO_SFN(4));
 260         s3c_gpio_cfgpin(S3C64XX_GPD(1), S3C_GPIO_SFN(4));
 261         s3c_gpio_cfgpin(S3C64XX_GPD(2), S3C_GPIO_SFN(4));
 262         s3c_gpio_cfgpin(S3C64XX_GPD(3), S3C_GPIO_SFN(4));
 263         s3c_gpio_cfgpin(S3C64XX_GPD(4), S3C_GPIO_SFN(4));
 264
 265         return 0;
 266 }
 267
 268 static int s3c64xx_ac97_cfg_gpe(struct platform_device *pdev)
 269 {
 270         s3c_gpio_cfgpin(S3C64XX_GPE(0), S3C_GPIO_SFN(4));
 271         s3c_gpio_cfgpin(S3C64XX_GPE(1), S3C_GPIO_SFN(4));
 272         s3c_gpio_cfgpin(S3C64XX_GPE(2), S3C_GPIO_SFN(4));
 273         s3c_gpio_cfgpin(S3C64XX_GPE(3), S3C_GPIO_SFN(4));
 274         s3c_gpio_cfgpin(S3C64XX_GPE(4), S3C_GPIO_SFN(4));
 275
 276         return 0;
 277 }
 278
 279 static struct resource s3c64xx_ac97_resource[] = {
 280         [0] = {
 281                 .start = S3C64XX_PA_AC97,
 282                 .end   = S3C64XX_PA_AC97 + 0x100 - 1,
 283                 .flags = IORESOURCE_MEM,
 284         },
 285         [1] = {
 286                 .start = DMACH_AC97_PCMOUT,
 287                 .end   = DMACH_AC97_PCMOUT,
 288                 .flags = IORESOURCE_DMA,
 289         },
 290         [2] = {
 291                 .start = DMACH_AC97_PCMIN,
 292                 .end   = DMACH_AC97_PCMIN,
 293                 .flags = IORESOURCE_DMA,
 294         },
 295         [3] = {
 296                 .start = DMACH_AC97_MICIN,
 297                 .end   = DMACH_AC97_MICIN,
 298                 .flags = IORESOURCE_DMA,
 299         },
 300         [4] = {
 301                 .start = IRQ_AC97,
 302                 .end   = IRQ_AC97,
 303                 .flags = IORESOURCE_IRQ,
 304         },
 305 };
 306
 307 static struct s3c_audio_pdata s3c_ac97_pdata;
 308
 309 static u64 s3c64xx_ac97_dmamask = DMA_BIT_MASK(32);
 310
 311 struct platform_device s3c64xx_device_ac97 = {
 312         .name             = "s3c-ac97",
 313         .id               = -1,
 314         .num_resources    = ARRAY_SIZE(s3c64xx_ac97_resource),
 315         .resource         = s3c64xx_ac97_resource,
 316         .dev = {
 317                 .platform_data = &s3c_ac97_pdata,
 318                 .dma_mask = &s3c64xx_ac97_dmamask,
 319                 .coherent_dma_mask = DMA_BIT_MASK(32),
 320         },
 321 };
 322 EXPORT_SYMBOL(s3c64xx_device_ac97);
 323
 324 void __init s3c64xx_ac97_setup_gpio(int num)
 325 {
 326         if (num == S3C64XX_AC97_GPD)
 327                 s3c_ac97_pdata.cfg_gpio = s3c64xx_ac97_cfg_gpd;
 328         else
 329                 s3c_ac97_pdata.cfg_gpio = s3c64xx_ac97_cfg_gpe;
 330 }