arch/arm/plat-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
  15 #include <mach/irqs.h>
  16 #include <mach/map.h>
  17 #include <mach/dma.h>
  18 #include <mach/gpio.h>
  19
  20 #include <plat/devs.h>
  21 #include <plat/audio.h>
  22 #include <plat/gpio-cfg.h>
  23
  24 #include <mach/gpio-bank-c.h>
  25 #include <mach/gpio-bank-d.h>
  26 #include <mach/gpio-bank-e.h>
  27 #include <mach/gpio-bank-h.h>
  28
  29 static int s3c64xx_i2sv3_cfg_gpio(struct platform_device *pdev)
  30 {
  31         switch (pdev->id) {
  32         case 0:
  33                 s3c_gpio_cfgpin(S3C64XX_GPD(0), S3C64XX_GPD0_I2S0_CLK);
  34                 s3c_gpio_cfgpin(S3C64XX_GPD(1), S3C64XX_GPD1_I2S0_CDCLK);
  35                 s3c_gpio_cfgpin(S3C64XX_GPD(2), S3C64XX_GPD2_I2S0_LRCLK);
  36                 s3c_gpio_cfgpin(S3C64XX_GPD(3), S3C64XX_GPD3_I2S0_DI);
  37                 s3c_gpio_cfgpin(S3C64XX_GPD(4), S3C64XX_GPD4_I2S0_D0);
  38                 break;
  39         case 1:
  40                 s3c_gpio_cfgpin(S3C64XX_GPE(0), S3C64XX_GPE0_I2S1_CLK);
  41                 s3c_gpio_cfgpin(S3C64XX_GPE(1), S3C64XX_GPE1_I2S1_CDCLK);
  42                 s3c_gpio_cfgpin(S3C64XX_GPE(2), S3C64XX_GPE2_I2S1_LRCLK);
  43                 s3c_gpio_cfgpin(S3C64XX_GPE(3), S3C64XX_GPE3_I2S1_DI);
  44                 s3c_gpio_cfgpin(S3C64XX_GPE(4), S3C64XX_GPE4_I2S1_D0);
  45         default:
  46                 printk(KERN_DEBUG "Invalid I2S Controller number!");
  47                 return -EINVAL;
  48         }
  49
  50         return 0;
  51 }
  52
  53 static int s3c64xx_i2sv4_cfg_gpio(struct platform_device *pdev)
  54 {
  55         s3c_gpio_cfgpin(S3C64XX_GPC(4), S3C64XX_GPC4_I2S_V40_DO0);
  56         s3c_gpio_cfgpin(S3C64XX_GPC(5), S3C64XX_GPC5_I2S_V40_DO1);
  57         s3c_gpio_cfgpin(S3C64XX_GPC(7), S3C64XX_GPC7_I2S_V40_DO2);
  58         s3c_gpio_cfgpin(S3C64XX_GPH(6), S3C64XX_GPH6_I2S_V40_BCLK);
  59         s3c_gpio_cfgpin(S3C64XX_GPH(7), S3C64XX_GPH7_I2S_V40_CDCLK);
  60         s3c_gpio_cfgpin(S3C64XX_GPH(8), S3C64XX_GPH8_I2S_V40_LRCLK);
  61         s3c_gpio_cfgpin(S3C64XX_GPH(9), S3C64XX_GPH9_I2S_V40_DI);
  62
  63         return 0;
  64 }
  65
  66 static struct resource s3c64xx_iis0_resource[] = {
  67         [0] = {
  68                 .start = S3C64XX_PA_IIS0,
  69                 .end   = S3C64XX_PA_IIS0 + 0x100 - 1,
  70                 .flags = IORESOURCE_MEM,
  71         },
  72         [1] = {
  73                 .start = DMACH_I2S0_OUT,
  74                 .end   = DMACH_I2S0_OUT,
  75                 .flags = IORESOURCE_DMA,
  76         },
  77         [2] = {
  78                 .start = DMACH_I2S0_IN,
  79                 .end   = DMACH_I2S0_IN,
  80                 .flags = IORESOURCE_DMA,
  81         },
  82 };
  83
  84 static struct s3c_audio_pdata s3c_i2s0_pdata = {
  85         .cfg_gpio = s3c64xx_i2sv3_cfg_gpio,
  86 };
  87
  88 struct platform_device s3c64xx_device_iis0 = {
  89         .name             = "s3c64xx-iis",
  90         .id               = 0,
  91         .num_resources    = ARRAY_SIZE(s3c64xx_iis0_resource),
  92         .resource         = s3c64xx_iis0_resource,
  93         .dev = {
  94                 .platform_data = &s3c_i2s0_pdata,
  95         },
  96 };
  97 EXPORT_SYMBOL(s3c64xx_device_iis0);
  98
  99 static struct resource s3c64xx_iis1_resource[] = {
 100         [0] = {
 101                 .start = S3C64XX_PA_IIS1,
 102                 .end   = S3C64XX_PA_IIS1 + 0x100 - 1,
 103                 .flags = IORESOURCE_MEM,
 104         },
 105         [1] = {
 106                 .start = DMACH_I2S1_OUT,
 107                 .end   = DMACH_I2S1_OUT,
 108                 .flags = IORESOURCE_DMA,
 109         },
 110         [2] = {
 111                 .start = DMACH_I2S1_IN,
 112                 .end   = DMACH_I2S1_IN,
 113                 .flags = IORESOURCE_DMA,
 114         },
 115 };
 116
 117 static struct s3c_audio_pdata s3c_i2s1_pdata = {
 118         .cfg_gpio = s3c64xx_i2sv3_cfg_gpio,
 119 };
 120
 121 struct platform_device s3c64xx_device_iis1 = {
 122         .name             = "s3c64xx-iis",
 123         .id               = 1,
 124         .num_resources    = ARRAY_SIZE(s3c64xx_iis1_resource),
 125         .resource         = s3c64xx_iis1_resource,
 126         .dev = {
 127                 .platform_data = &s3c_i2s1_pdata,
 128         },
 129 };
 130 EXPORT_SYMBOL(s3c64xx_device_iis1);
 131
 132 static struct resource s3c64xx_iisv4_resource[] = {
 133         [0] = {
 134                 .start = S3C64XX_PA_IISV4,
 135                 .end   = S3C64XX_PA_IISV4 + 0x100 - 1,
 136                 .flags = IORESOURCE_MEM,
 137         },
 138         [1] = {
 139                 .start = DMACH_HSI_I2SV40_TX,
 140                 .end   = DMACH_HSI_I2SV40_TX,
 141                 .flags = IORESOURCE_DMA,
 142         },
 143         [2] = {
 144                 .start = DMACH_HSI_I2SV40_RX,
 145                 .end   = DMACH_HSI_I2SV40_RX,
 146                 .flags = IORESOURCE_DMA,
 147         },
 148 };
 149
 150 static struct s3c_audio_pdata s3c_i2sv4_pdata = {
 151         .cfg_gpio = s3c64xx_i2sv4_cfg_gpio,
 152 };
 153
 154 struct platform_device s3c64xx_device_iisv4 = {
 155         .name             = "s3c64xx-iis-v4",
 156         .id               = -1,
 157         .num_resources    = ARRAY_SIZE(s3c64xx_iisv4_resource),
 158         .resource         = s3c64xx_iisv4_resource,
 159         .dev = {
 160                 .platform_data = &s3c_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         switch (pdev->id) {
 171         case 0:
 172                 s3c_gpio_cfgpin(S3C64XX_GPD(0), S3C64XX_GPD0_PCM0_SCLK);
 173                 s3c_gpio_cfgpin(S3C64XX_GPD(1), S3C64XX_GPD1_PCM0_EXTCLK);
 174                 s3c_gpio_cfgpin(S3C64XX_GPD(2), S3C64XX_GPD2_PCM0_FSYNC);
 175                 s3c_gpio_cfgpin(S3C64XX_GPD(3), S3C64XX_GPD3_PCM0_SIN);
 176                 s3c_gpio_cfgpin(S3C64XX_GPD(4), S3C64XX_GPD4_PCM0_SOUT);
 177                 break;
 178         case 1:
 179                 s3c_gpio_cfgpin(S3C64XX_GPE(0), S3C64XX_GPE0_PCM1_SCLK);
 180                 s3c_gpio_cfgpin(S3C64XX_GPE(1), S3C64XX_GPE1_PCM1_EXTCLK);
 181                 s3c_gpio_cfgpin(S3C64XX_GPE(2), S3C64XX_GPE2_PCM1_FSYNC);
 182                 s3c_gpio_cfgpin(S3C64XX_GPE(3), S3C64XX_GPE3_PCM1_SIN);
 183                 s3c_gpio_cfgpin(S3C64XX_GPE(4), S3C64XX_GPE4_PCM1_SOUT);
 184                 break;
 185         default:
 186                 printk(KERN_DEBUG "Invalid PCM Controller number!");
 187                 return -EINVAL;
 188         }
 189
 190         return 0;
 191 }
 192
 193 static struct resource s3c64xx_pcm0_resource[] = {
 194         [0] = {
 195                 .start = S3C64XX_PA_PCM0,
 196                 .end   = S3C64XX_PA_PCM0 + 0x100 - 1,
 197                 .flags = IORESOURCE_MEM,
 198         },
 199         [1] = {
 200                 .start = DMACH_PCM0_TX,
 201                 .end   = DMACH_PCM0_TX,
 202                 .flags = IORESOURCE_DMA,
 203         },
 204         [2] = {
 205                 .start = DMACH_PCM0_RX,
 206                 .end   = DMACH_PCM0_RX,
 207                 .flags = IORESOURCE_DMA,
 208         },
 209 };
 210
 211 static struct s3c_audio_pdata s3c_pcm0_pdata = {
 212         .cfg_gpio = s3c64xx_pcm_cfg_gpio,
 213 };
 214
 215 struct platform_device s3c64xx_device_pcm0 = {
 216         .name             = "samsung-pcm",
 217         .id               = 0,
 218         .num_resources    = ARRAY_SIZE(s3c64xx_pcm0_resource),
 219         .resource         = s3c64xx_pcm0_resource,
 220         .dev = {
 221                 .platform_data = &s3c_pcm0_pdata,
 222         },
 223 };
 224 EXPORT_SYMBOL(s3c64xx_device_pcm0);
 225
 226 static struct resource s3c64xx_pcm1_resource[] = {
 227         [0] = {
 228                 .start = S3C64XX_PA_PCM1,
 229                 .end   = S3C64XX_PA_PCM1 + 0x100 - 1,
 230                 .flags = IORESOURCE_MEM,
 231         },
 232         [1] = {
 233                 .start = DMACH_PCM1_TX,
 234                 .end   = DMACH_PCM1_TX,
 235                 .flags = IORESOURCE_DMA,
 236         },
 237         [2] = {
 238                 .start = DMACH_PCM1_RX,
 239                 .end   = DMACH_PCM1_RX,
 240                 .flags = IORESOURCE_DMA,
 241         },
 242 };
 243
 244 static struct s3c_audio_pdata s3c_pcm1_pdata = {
 245         .cfg_gpio = s3c64xx_pcm_cfg_gpio,
 246 };
 247
 248 struct platform_device s3c64xx_device_pcm1 = {
 249         .name             = "samsung-pcm",
 250         .id               = 1,
 251         .num_resources    = ARRAY_SIZE(s3c64xx_pcm1_resource),
 252         .resource         = s3c64xx_pcm1_resource,
 253         .dev = {
 254                 .platform_data = &s3c_pcm1_pdata,
 255         },
 256 };
 257 EXPORT_SYMBOL(s3c64xx_device_pcm1);