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 };
  62
  63 struct platform_device s3c64xx_device_iis0 = {
  64         .name             = "samsung-i2s",
  65         .id               = 0,
  66         .num_resources    = ARRAY_SIZE(s3c64xx_iis0_resource),
  67         .resource         = s3c64xx_iis0_resource,
  68         .dev = {
  69                 .platform_data = &i2s0_pdata,
  70         },
  71 };
  72 EXPORT_SYMBOL(s3c64xx_device_iis0);
  73
  74 static struct resource s3c64xx_iis1_resource[] = {
  75         [0] = DEFINE_RES_MEM(S3C64XX_PA_IIS1, SZ_256),
  76 };
  77
  78 static struct s3c_audio_pdata i2s1_pdata = {
  79         .cfg_gpio = s3c64xx_i2s_cfg_gpio,
  80 };
  81
  82 struct platform_device s3c64xx_device_iis1 = {
  83         .name             = "samsung-i2s",
  84         .id               = 1,
  85         .num_resources    = ARRAY_SIZE(s3c64xx_iis1_resource),
  86         .resource         = s3c64xx_iis1_resource,
  87         .dev = {
  88                 .platform_data = &i2s1_pdata,
  89         },
  90 };
  91 EXPORT_SYMBOL(s3c64xx_device_iis1);
  92
  93 static struct resource s3c64xx_iisv4_resource[] = {
  94         [0] = DEFINE_RES_MEM(S3C64XX_PA_IISV4, SZ_256),
  95 };
  96
  97 static struct s3c_audio_pdata i2sv4_pdata = {
  98         .cfg_gpio = s3c64xx_i2s_cfg_gpio,
  99         .type = {
 100                 .quirks = QUIRK_PRI_6CHAN,
 101         },
 102 };
 103
 104 struct platform_device s3c64xx_device_iisv4 = {
 105         .name = "samsung-i2s",
 106         .id = 2,
 107         .num_resources    = ARRAY_SIZE(s3c64xx_iisv4_resource),
 108         .resource         = s3c64xx_iisv4_resource,
 109         .dev = {
 110                 .platform_data = &i2sv4_pdata,
 111         },
 112 };
 113 EXPORT_SYMBOL(s3c64xx_device_iisv4);
 114
 115
 116 /* PCM Controller platform_devices */
 117
 118 static int s3c64xx_pcm_cfg_gpio(struct platform_device *pdev)
 119 {
 120         unsigned int base;
 121
 122         switch (pdev->id) {
 123         case 0:
 124                 base = S3C64XX_GPD(0);
 125                 break;
 126         case 1:
 127                 base = S3C64XX_GPE(0);
 128                 break;
 129         default:
 130                 printk(KERN_DEBUG "Invalid PCM Controller number: %d\n",
 131                         pdev->id);
 132                 return -EINVAL;
 133         }
 134
 135         s3c_gpio_cfgpin_range(base, 5, S3C_GPIO_SFN(2));
 136         return 0;
 137 }
 138
 139 static struct resource s3c64xx_pcm0_resource[] = {
 140         [0] = DEFINE_RES_MEM(S3C64XX_PA_PCM0, SZ_256),
 141 };
 142
 143 static struct s3c_audio_pdata s3c_pcm0_pdata = {
 144         .cfg_gpio = s3c64xx_pcm_cfg_gpio,
 145 };
 146
 147 struct platform_device s3c64xx_device_pcm0 = {
 148         .name             = "samsung-pcm",
 149         .id               = 0,
 150         .num_resources    = ARRAY_SIZE(s3c64xx_pcm0_resource),
 151         .resource         = s3c64xx_pcm0_resource,
 152         .dev = {
 153                 .platform_data = &s3c_pcm0_pdata,
 154         },
 155 };
 156 EXPORT_SYMBOL(s3c64xx_device_pcm0);
 157
 158 static struct resource s3c64xx_pcm1_resource[] = {
 159         [0] = DEFINE_RES_MEM(S3C64XX_PA_PCM1, SZ_256),
 160 };
 161
 162 static struct s3c_audio_pdata s3c_pcm1_pdata = {
 163         .cfg_gpio = s3c64xx_pcm_cfg_gpio,
 164 };
 165
 166 struct platform_device s3c64xx_device_pcm1 = {
 167         .name             = "samsung-pcm",
 168         .id               = 1,
 169         .num_resources    = ARRAY_SIZE(s3c64xx_pcm1_resource),
 170         .resource         = s3c64xx_pcm1_resource,
 171         .dev = {
 172                 .platform_data = &s3c_pcm1_pdata,
 173         },
 174 };
 175 EXPORT_SYMBOL(s3c64xx_device_pcm1);
 176
 177 /* AC97 Controller platform devices */
 178
 179 static int s3c64xx_ac97_cfg_gpd(struct platform_device *pdev)
 180 {
 181         return s3c_gpio_cfgpin_range(S3C64XX_GPD(0), 5, S3C_GPIO_SFN(4));
 182 }
 183
 184 static int s3c64xx_ac97_cfg_gpe(struct platform_device *pdev)
 185 {
 186         return s3c_gpio_cfgpin_range(S3C64XX_GPE(0), 5, S3C_GPIO_SFN(4));
 187 }
 188
 189 static struct resource s3c64xx_ac97_resource[] = {
 190         [0] = DEFINE_RES_MEM(S3C64XX_PA_AC97, SZ_256),
 191         [1] = DEFINE_RES_IRQ(IRQ_AC97),
 192 };
 193
 194 static struct s3c_audio_pdata s3c_ac97_pdata = {
 195 };
 196
 197 static u64 s3c64xx_ac97_dmamask = DMA_BIT_MASK(32);
 198
 199 struct platform_device s3c64xx_device_ac97 = {
 200         .name             = "samsung-ac97",
 201         .id               = -1,
 202         .num_resources    = ARRAY_SIZE(s3c64xx_ac97_resource),
 203         .resource         = s3c64xx_ac97_resource,
 204         .dev = {
 205                 .platform_data = &s3c_ac97_pdata,
 206                 .dma_mask = &s3c64xx_ac97_dmamask,
 207                 .coherent_dma_mask = DMA_BIT_MASK(32),
 208         },
 209 };
 210 EXPORT_SYMBOL(s3c64xx_device_ac97);
 211
 212 void __init s3c64xx_ac97_setup_gpio(int num)
 213 {
 214         if (num == S3C64XX_AC97_GPD)
 215                 s3c_ac97_pdata.cfg_gpio = s3c64xx_ac97_cfg_gpd;
 216         else
 217                 s3c_ac97_pdata.cfg_gpio = s3c64xx_ac97_cfg_gpe;
 218 }