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
  26 static int s3c64xx_i2s_cfg_gpio(struct platform_device *pdev)
  27 {
  28         unsigned int base;
  29
  30         switch (pdev->id) {
  31         case 0:
  32                 base = S3C64XX_GPD(0);
  33                 break;
  34         case 1:
  35                 base = S3C64XX_GPE(0);
  36                 break;
  37         case 2:
  38                 s3c_gpio_cfgpin(S3C64XX_GPC(4), S3C_GPIO_SFN(5));
  39                 s3c_gpio_cfgpin(S3C64XX_GPC(5), S3C_GPIO_SFN(5));
  40                 s3c_gpio_cfgpin(S3C64XX_GPC(7), S3C_GPIO_SFN(5));
  41                 s3c_gpio_cfgpin_range(S3C64XX_GPH(6), 4, S3C_GPIO_SFN(5));
  42                 return 0;
  43         default:
  44                 printk(KERN_DEBUG "Invalid I2S Controller number: %d\n",
  45                         pdev->id);
  46                 return -EINVAL;
  47         }
  48
  49         s3c_gpio_cfgpin_range(base, 5, S3C_GPIO_SFN(3));
  50
  51         return 0;
  52 }
  53
  54 static struct resource s3c64xx_iis0_resource[] = {
  55         [0] = DEFINE_RES_MEM(S3C64XX_PA_IIS0, SZ_256),
  56         [1] = DEFINE_RES_DMA(DMACH_I2S0_OUT),
  57         [2] = DEFINE_RES_DMA(DMACH_I2S0_IN),
  58 };
  59
  60 static struct s3c_audio_pdata i2sv3_pdata = {
  61         .cfg_gpio = s3c64xx_i2s_cfg_gpio,
  62 };
  63
  64 struct platform_device s3c64xx_device_iis0 = {
  65         .name             = "samsung-i2s",
  66         .id               = 0,
  67         .num_resources    = ARRAY_SIZE(s3c64xx_iis0_resource),
  68         .resource         = s3c64xx_iis0_resource,
  69         .dev = {
  70                 .platform_data = &i2sv3_pdata,
  71         },
  72 };
  73 EXPORT_SYMBOL(s3c64xx_device_iis0);
  74
  75 static struct resource s3c64xx_iis1_resource[] = {
  76         [0] = DEFINE_RES_MEM(S3C64XX_PA_IIS1, SZ_256),
  77         [1] = DEFINE_RES_DMA(DMACH_I2S1_OUT),
  78         [2] = DEFINE_RES_DMA(DMACH_I2S1_IN),
  79 };
  80
  81 struct platform_device s3c64xx_device_iis1 = {
  82         .name             = "samsung-i2s",
  83         .id               = 1,
  84         .num_resources    = ARRAY_SIZE(s3c64xx_iis1_resource),
  85         .resource         = s3c64xx_iis1_resource,
  86         .dev = {
  87                 .platform_data = &i2sv3_pdata,
  88         },
  89 };
  90 EXPORT_SYMBOL(s3c64xx_device_iis1);
  91
  92 static struct resource s3c64xx_iisv4_resource[] = {
  93         [0] = DEFINE_RES_MEM(S3C64XX_PA_IISV4, SZ_256),
  94         [1] = DEFINE_RES_DMA(DMACH_HSI_I2SV40_TX),
  95         [2] = DEFINE_RES_DMA(DMACH_HSI_I2SV40_RX),
  96 };
  97
  98 static struct s3c_audio_pdata i2sv4_pdata = {
  99         .cfg_gpio = s3c64xx_i2s_cfg_gpio,
 100         .type = {
 101                 .i2s = {
 102                         .quirks = QUIRK_PRI_6CHAN,
 103                 },
 104         },
 105 };
 106
 107 struct platform_device s3c64xx_device_iisv4 = {
 108         .name = "samsung-i2s",
 109         .id = 2,
 110         .num_resources    = ARRAY_SIZE(s3c64xx_iisv4_resource),
 111         .resource         = s3c64xx_iisv4_resource,
 112         .dev = {
 113                 .platform_data = &i2sv4_pdata,
 114         },
 115 };
 116 EXPORT_SYMBOL(s3c64xx_device_iisv4);
 117
 118
 119 /* PCM Controller platform_devices */
 120
 121 static int s3c64xx_pcm_cfg_gpio(struct platform_device *pdev)
 122 {
 123         unsigned int base;
 124
 125         switch (pdev->id) {
 126         case 0:
 127                 base = S3C64XX_GPD(0);
 128                 break;
 129         case 1:
 130                 base = S3C64XX_GPE(0);
 131                 break;
 132         default:
 133                 printk(KERN_DEBUG "Invalid PCM Controller number: %d\n",
 134                         pdev->id);
 135                 return -EINVAL;
 136         }
 137
 138         s3c_gpio_cfgpin_range(base, 5, S3C_GPIO_SFN(2));
 139         return 0;
 140 }
 141
 142 static struct resource s3c64xx_pcm0_resource[] = {
 143         [0] = DEFINE_RES_MEM(S3C64XX_PA_PCM0, SZ_256),
 144         [1] = DEFINE_RES_DMA(DMACH_PCM0_TX),
 145         [2] = DEFINE_RES_DMA(DMACH_PCM0_RX),
 146 };
 147
 148 static struct s3c_audio_pdata s3c_pcm0_pdata = {
 149         .cfg_gpio = s3c64xx_pcm_cfg_gpio,
 150 };
 151
 152 struct platform_device s3c64xx_device_pcm0 = {
 153         .name             = "samsung-pcm",
 154         .id               = 0,
 155         .num_resources    = ARRAY_SIZE(s3c64xx_pcm0_resource),
 156         .resource         = s3c64xx_pcm0_resource,
 157         .dev = {
 158                 .platform_data = &s3c_pcm0_pdata,
 159         },
 160 };
 161 EXPORT_SYMBOL(s3c64xx_device_pcm0);
 162
 163 static struct resource s3c64xx_pcm1_resource[] = {
 164         [0] = DEFINE_RES_MEM(S3C64XX_PA_PCM1, SZ_256),
 165         [1] = DEFINE_RES_DMA(DMACH_PCM1_TX),
 166         [2] = DEFINE_RES_DMA(DMACH_PCM1_RX),
 167 };
 168
 169 static struct s3c_audio_pdata s3c_pcm1_pdata = {
 170         .cfg_gpio = s3c64xx_pcm_cfg_gpio,
 171 };
 172
 173 struct platform_device s3c64xx_device_pcm1 = {
 174         .name             = "samsung-pcm",
 175         .id               = 1,
 176         .num_resources    = ARRAY_SIZE(s3c64xx_pcm1_resource),
 177         .resource         = s3c64xx_pcm1_resource,
 178         .dev = {
 179                 .platform_data = &s3c_pcm1_pdata,
 180         },
 181 };
 182 EXPORT_SYMBOL(s3c64xx_device_pcm1);
 183
 184 /* AC97 Controller platform devices */
 185
 186 static int s3c64xx_ac97_cfg_gpd(struct platform_device *pdev)
 187 {
 188         return s3c_gpio_cfgpin_range(S3C64XX_GPD(0), 5, S3C_GPIO_SFN(4));
 189 }
 190
 191 static int s3c64xx_ac97_cfg_gpe(struct platform_device *pdev)
 192 {
 193         return s3c_gpio_cfgpin_range(S3C64XX_GPE(0), 5, S3C_GPIO_SFN(4));
 194 }
 195
 196 static struct resource s3c64xx_ac97_resource[] = {
 197         [0] = DEFINE_RES_MEM(S3C64XX_PA_AC97, SZ_256),
 198         [1] = DEFINE_RES_DMA(DMACH_AC97_PCMOUT),
 199         [2] = DEFINE_RES_DMA(DMACH_AC97_PCMIN),
 200         [3] = DEFINE_RES_DMA(DMACH_AC97_MICIN),
 201         [4] = DEFINE_RES_IRQ(IRQ_AC97),
 202 };
 203
 204 static struct s3c_audio_pdata s3c_ac97_pdata;
 205
 206 static u64 s3c64xx_ac97_dmamask = DMA_BIT_MASK(32);
 207
 208 struct platform_device s3c64xx_device_ac97 = {
 209         .name             = "samsung-ac97",
 210         .id               = -1,
 211         .num_resources    = ARRAY_SIZE(s3c64xx_ac97_resource),
 212         .resource         = s3c64xx_ac97_resource,
 213         .dev = {
 214                 .platform_data = &s3c_ac97_pdata,
 215                 .dma_mask = &s3c64xx_ac97_dmamask,
 216                 .coherent_dma_mask = DMA_BIT_MASK(32),
 217         },
 218 };
 219 EXPORT_SYMBOL(s3c64xx_device_ac97);
 220
 221 void __init s3c64xx_ac97_setup_gpio(int num)
 222 {
 223         if (num == S3C64XX_AC97_GPD)
 224                 s3c_ac97_pdata.cfg_gpio = s3c64xx_ac97_cfg_gpd;
 225         else
 226                 s3c_ac97_pdata.cfg_gpio = s3c64xx_ac97_cfg_gpe;
 227 }