kernel/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 <linux/platform_data/asoc-s3c.h>
  24 #include <plat/gpio-cfg.h>
  25 #include <mach/gpio-samsung.h>
  26
  27 static int s3c64xx_i2s_cfg_gpio(struct platform_device *pdev)
  28 {
  29         unsigned int base;
  30
  31         switch (pdev->id) {
  32         case 0:
  33                 base = S3C64XX_GPD(0);
  34                 break;
  35         case 1:
  36                 base = S3C64XX_GPE(0);
  37                 break;
  38         case 2:
  39                 s3c_gpio_cfgpin(S3C64XX_GPC(4), S3C_GPIO_SFN(5));
  40                 s3c_gpio_cfgpin(S3C64XX_GPC(5), S3C_GPIO_SFN(5));
  41                 s3c_gpio_cfgpin(S3C64XX_GPC(7), S3C_GPIO_SFN(5));
  42                 s3c_gpio_cfgpin_range(S3C64XX_GPH(6), 4, S3C_GPIO_SFN(5));
  43                 return 0;
  44         default:
  45                 printk(KERN_DEBUG "Invalid I2S Controller number: %d\n",
  46                         pdev->id);
  47                 return -EINVAL;
  48         }
  49
  50         s3c_gpio_cfgpin_range(base, 5, S3C_GPIO_SFN(3));
  51
  52         return 0;
  53 }
  54
  55 static struct resource s3c64xx_iis0_resource[] = {
  56         [0] = DEFINE_RES_MEM(S3C64XX_PA_IIS0, SZ_256),
  57 };
  58
  59 static struct s3c_audio_pdata i2s0_pdata = {
  60         .cfg_gpio = s3c64xx_i2s_cfg_gpio,
  61         .dma_playback = DMACH_I2S0_OUT,
  62         .dma_capture = DMACH_I2S0_IN,
  63 };
  64
  65 struct platform_device s3c64xx_device_iis0 = {
  66         .name             = "samsung-i2s",
  67         .id               = 0,
  68         .num_resources    = ARRAY_SIZE(s3c64xx_iis0_resource),
  69         .resource         = s3c64xx_iis0_resource,
  70         .dev = {
  71                 .platform_data = &i2s0_pdata,
  72         },
  73 };
  74 EXPORT_SYMBOL(s3c64xx_device_iis0);
  75
  76 static struct resource s3c64xx_iis1_resource[] = {
  77         [0] = DEFINE_RES_MEM(S3C64XX_PA_IIS1, SZ_256),
  78 };
  79
  80 static struct s3c_audio_pdata i2s1_pdata = {
  81         .cfg_gpio = s3c64xx_i2s_cfg_gpio,
  82         .dma_playback = DMACH_I2S1_OUT,
  83         .dma_capture = DMACH_I2S1_IN,
  84 };
  85
  86 struct platform_device s3c64xx_device_iis1 = {
  87         .name             = "samsung-i2s",
  88         .id               = 1,
  89         .num_resources    = ARRAY_SIZE(s3c64xx_iis1_resource),
  90         .resource         = s3c64xx_iis1_resource,
  91         .dev = {
  92                 .platform_data = &i2s1_pdata,
  93         },
  94 };
  95 EXPORT_SYMBOL(s3c64xx_device_iis1);
  96
  97 static struct resource s3c64xx_iisv4_resource[] = {
  98         [0] = DEFINE_RES_MEM(S3C64XX_PA_IISV4, SZ_256),
  99 };
 100
 101 static struct s3c_audio_pdata i2sv4_pdata = {
 102         .cfg_gpio = s3c64xx_i2s_cfg_gpio,
 103         .dma_playback = DMACH_HSI_I2SV40_TX,
 104         .dma_capture = DMACH_HSI_I2SV40_RX,
 105         .type = {
 106                 .i2s = {
 107                         .quirks = QUIRK_PRI_6CHAN,
 108                 },
 109         },
 110 };
 111
 112 struct platform_device s3c64xx_device_iisv4 = {
 113         .name = "samsung-i2s",
 114         .id = 2,
 115         .num_resources    = ARRAY_SIZE(s3c64xx_iisv4_resource),
 116         .resource         = s3c64xx_iisv4_resource,
 117         .dev = {
 118                 .platform_data = &i2sv4_pdata,
 119         },
 120 };
 121 EXPORT_SYMBOL(s3c64xx_device_iisv4);
 122
 123
 124 /* PCM Controller platform_devices */
 125
 126 static int s3c64xx_pcm_cfg_gpio(struct platform_device *pdev)
 127 {
 128         unsigned int base;
 129
 130         switch (pdev->id) {
 131         case 0:
 132                 base = S3C64XX_GPD(0);
 133                 break;
 134         case 1:
 135                 base = S3C64XX_GPE(0);
 136                 break;
 137         default:
 138                 printk(KERN_DEBUG "Invalid PCM Controller number: %d\n",
 139                         pdev->id);
 140                 return -EINVAL;
 141         }
 142
 143         s3c_gpio_cfgpin_range(base, 5, S3C_GPIO_SFN(2));
 144         return 0;
 145 }
 146
 147 static struct resource s3c64xx_pcm0_resource[] = {
 148         [0] = DEFINE_RES_MEM(S3C64XX_PA_PCM0, SZ_256),
 149 };
 150
 151 static struct s3c_audio_pdata s3c_pcm0_pdata = {
 152         .cfg_gpio = s3c64xx_pcm_cfg_gpio,
 153         .dma_capture = DMACH_PCM0_RX,
 154         .dma_playback = DMACH_PCM0_TX,
 155 };
 156
 157 struct platform_device s3c64xx_device_pcm0 = {
 158         .name             = "samsung-pcm",
 159         .id               = 0,
 160         .num_resources    = ARRAY_SIZE(s3c64xx_pcm0_resource),
 161         .resource         = s3c64xx_pcm0_resource,
 162         .dev = {
 163                 .platform_data = &s3c_pcm0_pdata,
 164         },
 165 };
 166 EXPORT_SYMBOL(s3c64xx_device_pcm0);
 167
 168 static struct resource s3c64xx_pcm1_resource[] = {
 169         [0] = DEFINE_RES_MEM(S3C64XX_PA_PCM1, SZ_256),
 170 };
 171
 172 static struct s3c_audio_pdata s3c_pcm1_pdata = {
 173         .cfg_gpio = s3c64xx_pcm_cfg_gpio,
 174         .dma_playback = DMACH_PCM1_TX,
 175         .dma_capture = DMACH_PCM1_RX,
 176 };
 177
 178 struct platform_device s3c64xx_device_pcm1 = {
 179         .name             = "samsung-pcm",
 180         .id               = 1,
 181         .num_resources    = ARRAY_SIZE(s3c64xx_pcm1_resource),
 182         .resource         = s3c64xx_pcm1_resource,
 183         .dev = {
 184                 .platform_data = &s3c_pcm1_pdata,
 185         },
 186 };
 187 EXPORT_SYMBOL(s3c64xx_device_pcm1);
 188
 189 /* AC97 Controller platform devices */
 190
 191 static int s3c64xx_ac97_cfg_gpd(struct platform_device *pdev)
 192 {
 193         return s3c_gpio_cfgpin_range(S3C64XX_GPD(0), 5, S3C_GPIO_SFN(4));
 194 }
 195
 196 static int s3c64xx_ac97_cfg_gpe(struct platform_device *pdev)
 197 {
 198         return s3c_gpio_cfgpin_range(S3C64XX_GPE(0), 5, S3C_GPIO_SFN(4));
 199 }
 200
 201 static struct resource s3c64xx_ac97_resource[] = {
 202         [0] = DEFINE_RES_MEM(S3C64XX_PA_AC97, SZ_256),
 203         [1] = DEFINE_RES_IRQ(IRQ_AC97),
 204 };
 205
 206 static struct s3c_audio_pdata s3c_ac97_pdata = {
 207         .dma_playback = DMACH_AC97_PCMOUT,
 208         .dma_capture = DMACH_AC97_PCMIN,
 209         .dma_capture_mic = DMACH_AC97_MICIN,
 210 };
 211
 212 static u64 s3c64xx_ac97_dmamask = DMA_BIT_MASK(32);
 213
 214 struct platform_device s3c64xx_device_ac97 = {
 215         .name             = "samsung-ac97",
 216         .id               = -1,
 217         .num_resources    = ARRAY_SIZE(s3c64xx_ac97_resource),
 218         .resource         = s3c64xx_ac97_resource,
 219         .dev = {
 220                 .platform_data = &s3c_ac97_pdata,
 221                 .dma_mask = &s3c64xx_ac97_dmamask,
 222                 .coherent_dma_mask = DMA_BIT_MASK(32),
 223         },
 224 };
 225 EXPORT_SYMBOL(s3c64xx_device_ac97);
 226
 227 void __init s3c64xx_ac97_setup_gpio(int num)
 228 {
 229         if (num == S3C64XX_AC97_GPD)
 230                 s3c_ac97_pdata.cfg_gpio = s3c64xx_ac97_cfg_gpd;
 231         else
 232                 s3c_ac97_pdata.cfg_gpio = s3c64xx_ac97_cfg_gpe;
 233 }