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         [1] = DEFINE_RES_DMA(DMACH_I2S0_OUT),
  58         [2] = DEFINE_RES_DMA(DMACH_I2S0_IN),
  59 };
  60
  61 static struct s3c_audio_pdata i2sv3_pdata = {
  62         .cfg_gpio = s3c64xx_i2s_cfg_gpio,
  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 = &i2sv3_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         [1] = DEFINE_RES_DMA(DMACH_I2S1_OUT),
  79         [2] = DEFINE_RES_DMA(DMACH_I2S1_IN),
  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 = &i2sv3_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         [1] = DEFINE_RES_DMA(DMACH_HSI_I2SV40_TX),
  96         [2] = DEFINE_RES_DMA(DMACH_HSI_I2SV40_RX),
  97 };
  98
  99 static struct s3c_audio_pdata i2sv4_pdata = {
 100         .cfg_gpio = s3c64xx_i2s_cfg_gpio,
 101         .type = {
 102                 .i2s = {
 103                         .quirks = QUIRK_PRI_6CHAN,
 104                 },
 105         },
 106 };
 107
 108 struct platform_device s3c64xx_device_iisv4 = {
 109         .name = "samsung-i2s",
 110         .id = 2,
 111         .num_resources    = ARRAY_SIZE(s3c64xx_iisv4_resource),
 112         .resource         = s3c64xx_iisv4_resource,
 113         .dev = {
 114                 .platform_data = &i2sv4_pdata,
 115         },
 116 };
 117 EXPORT_SYMBOL(s3c64xx_device_iisv4);
 118
 119
 120 /* PCM Controller platform_devices */
 121
 122 static int s3c64xx_pcm_cfg_gpio(struct platform_device *pdev)
 123 {
 124         unsigned int base;
 125
 126         switch (pdev->id) {
 127         case 0:
 128                 base = S3C64XX_GPD(0);
 129                 break;
 130         case 1:
 131                 base = S3C64XX_GPE(0);
 132                 break;
 133         default:
 134                 printk(KERN_DEBUG "Invalid PCM Controller number: %d\n",
 135                         pdev->id);
 136                 return -EINVAL;
 137         }
 138
 139         s3c_gpio_cfgpin_range(base, 5, S3C_GPIO_SFN(2));
 140         return 0;
 141 }
 142
 143 static struct resource s3c64xx_pcm0_resource[] = {
 144         [0] = DEFINE_RES_MEM(S3C64XX_PA_PCM0, SZ_256),
 145         [1] = DEFINE_RES_DMA(DMACH_PCM0_TX),
 146         [2] = DEFINE_RES_DMA(DMACH_PCM0_RX),
 147 };
 148
 149 static struct s3c_audio_pdata s3c_pcm0_pdata = {
 150         .cfg_gpio = s3c64xx_pcm_cfg_gpio,
 151 };
 152
 153 struct platform_device s3c64xx_device_pcm0 = {
 154         .name             = "samsung-pcm",
 155         .id               = 0,
 156         .num_resources    = ARRAY_SIZE(s3c64xx_pcm0_resource),
 157         .resource         = s3c64xx_pcm0_resource,
 158         .dev = {
 159                 .platform_data = &s3c_pcm0_pdata,
 160         },
 161 };
 162 EXPORT_SYMBOL(s3c64xx_device_pcm0);
 163
 164 static struct resource s3c64xx_pcm1_resource[] = {
 165         [0] = DEFINE_RES_MEM(S3C64XX_PA_PCM1, SZ_256),
 166         [1] = DEFINE_RES_DMA(DMACH_PCM1_TX),
 167         [2] = DEFINE_RES_DMA(DMACH_PCM1_RX),
 168 };
 169
 170 static struct s3c_audio_pdata s3c_pcm1_pdata = {
 171         .cfg_gpio = s3c64xx_pcm_cfg_gpio,
 172 };
 173
 174 struct platform_device s3c64xx_device_pcm1 = {
 175         .name             = "samsung-pcm",
 176         .id               = 1,
 177         .num_resources    = ARRAY_SIZE(s3c64xx_pcm1_resource),
 178         .resource         = s3c64xx_pcm1_resource,
 179         .dev = {
 180                 .platform_data = &s3c_pcm1_pdata,
 181         },
 182 };
 183 EXPORT_SYMBOL(s3c64xx_device_pcm1);
 184
 185 /* AC97 Controller platform devices */
 186
 187 static int s3c64xx_ac97_cfg_gpd(struct platform_device *pdev)
 188 {
 189         return s3c_gpio_cfgpin_range(S3C64XX_GPD(0), 5, S3C_GPIO_SFN(4));
 190 }
 191
 192 static int s3c64xx_ac97_cfg_gpe(struct platform_device *pdev)
 193 {
 194         return s3c_gpio_cfgpin_range(S3C64XX_GPE(0), 5, S3C_GPIO_SFN(4));
 195 }
 196
 197 static struct resource s3c64xx_ac97_resource[] = {
 198         [0] = DEFINE_RES_MEM(S3C64XX_PA_AC97, SZ_256),
 199         [1] = DEFINE_RES_DMA(DMACH_AC97_PCMOUT),
 200         [2] = DEFINE_RES_DMA(DMACH_AC97_PCMIN),
 201         [3] = DEFINE_RES_DMA(DMACH_AC97_MICIN),
 202         [4] = DEFINE_RES_IRQ(IRQ_AC97),
 203 };
 204
 205 static struct s3c_audio_pdata s3c_ac97_pdata;
 206
 207 static u64 s3c64xx_ac97_dmamask = DMA_BIT_MASK(32);
 208
 209 struct platform_device s3c64xx_device_ac97 = {
 210         .name             = "samsung-ac97",
 211         .id               = -1,
 212         .num_resources    = ARRAY_SIZE(s3c64xx_ac97_resource),
 213         .resource         = s3c64xx_ac97_resource,
 214         .dev = {
 215                 .platform_data = &s3c_ac97_pdata,
 216                 .dma_mask = &s3c64xx_ac97_dmamask,
 217                 .coherent_dma_mask = DMA_BIT_MASK(32),
 218         },
 219 };
 220 EXPORT_SYMBOL(s3c64xx_device_ac97);
 221
 222 void __init s3c64xx_ac97_setup_gpio(int num)
 223 {
 224         if (num == S3C64XX_AC97_GPD)
 225                 s3c_ac97_pdata.cfg_gpio = s3c64xx_ac97_cfg_gpd;
 226         else
 227                 s3c_ac97_pdata.cfg_gpio = s3c64xx_ac97_cfg_gpe;
 228 }