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_filter = pl08x_filter_id,
  62         .dma_playback = DMACH_I2S0_OUT,
  63         .dma_capture = DMACH_I2S0_IN,
  64 };
  65
  66 struct platform_device s3c64xx_device_iis0 = {
  67         .name             = "samsung-i2s",
  68         .id               = 0,
  69         .num_resources    = ARRAY_SIZE(s3c64xx_iis0_resource),
  70         .resource         = s3c64xx_iis0_resource,
  71         .dev = {
  72                 .platform_data = &i2s0_pdata,
  73         },
  74 };
  75 EXPORT_SYMBOL(s3c64xx_device_iis0);
  76
  77 static struct resource s3c64xx_iis1_resource[] = {
  78         [0] = DEFINE_RES_MEM(S3C64XX_PA_IIS1, SZ_256),
  79 };
  80
  81 static struct s3c_audio_pdata i2s1_pdata = {
  82         .cfg_gpio = s3c64xx_i2s_cfg_gpio,
  83         .dma_filter = pl08x_filter_id,
  84         .dma_playback = DMACH_I2S1_OUT,
  85         .dma_capture = DMACH_I2S1_IN,
  86 };
  87
  88 struct platform_device s3c64xx_device_iis1 = {
  89         .name             = "samsung-i2s",
  90         .id               = 1,
  91         .num_resources    = ARRAY_SIZE(s3c64xx_iis1_resource),
  92         .resource         = s3c64xx_iis1_resource,
  93         .dev = {
  94                 .platform_data = &i2s1_pdata,
  95         },
  96 };
  97 EXPORT_SYMBOL(s3c64xx_device_iis1);
  98
  99 static struct resource s3c64xx_iisv4_resource[] = {
 100         [0] = DEFINE_RES_MEM(S3C64XX_PA_IISV4, SZ_256),
 101 };
 102
 103 static struct s3c_audio_pdata i2sv4_pdata = {
 104         .cfg_gpio = s3c64xx_i2s_cfg_gpio,
 105         .dma_filter = pl08x_filter_id,
 106         .dma_playback = DMACH_HSI_I2SV40_TX,
 107         .dma_capture = DMACH_HSI_I2SV40_RX,
 108         .type = {
 109                 .quirks = QUIRK_PRI_6CHAN,
 110         },
 111 };
 112
 113 struct platform_device s3c64xx_device_iisv4 = {
 114         .name = "samsung-i2s",
 115         .id = 2,
 116         .num_resources    = ARRAY_SIZE(s3c64xx_iisv4_resource),
 117         .resource         = s3c64xx_iisv4_resource,
 118         .dev = {
 119                 .platform_data = &i2sv4_pdata,
 120         },
 121 };
 122 EXPORT_SYMBOL(s3c64xx_device_iisv4);
 123
 124
 125 /* PCM Controller platform_devices */
 126
 127 static int s3c64xx_pcm_cfg_gpio(struct platform_device *pdev)
 128 {
 129         unsigned int base;
 130
 131         switch (pdev->id) {
 132         case 0:
 133                 base = S3C64XX_GPD(0);
 134                 break;
 135         case 1:
 136                 base = S3C64XX_GPE(0);
 137                 break;
 138         default:
 139                 printk(KERN_DEBUG "Invalid PCM Controller number: %d\n",
 140                         pdev->id);
 141                 return -EINVAL;
 142         }
 143
 144         s3c_gpio_cfgpin_range(base, 5, S3C_GPIO_SFN(2));
 145         return 0;
 146 }
 147
 148 static struct resource s3c64xx_pcm0_resource[] = {
 149         [0] = DEFINE_RES_MEM(S3C64XX_PA_PCM0, SZ_256),
 150 };
 151
 152 static struct s3c_audio_pdata s3c_pcm0_pdata = {
 153         .cfg_gpio = s3c64xx_pcm_cfg_gpio,
 154         .dma_filter = pl08x_filter_id,
 155         .dma_capture = DMACH_PCM0_RX,
 156         .dma_playback = DMACH_PCM0_TX,
 157 };
 158
 159 struct platform_device s3c64xx_device_pcm0 = {
 160         .name             = "samsung-pcm",
 161         .id               = 0,
 162         .num_resources    = ARRAY_SIZE(s3c64xx_pcm0_resource),
 163         .resource         = s3c64xx_pcm0_resource,
 164         .dev = {
 165                 .platform_data = &s3c_pcm0_pdata,
 166         },
 167 };
 168 EXPORT_SYMBOL(s3c64xx_device_pcm0);
 169
 170 static struct resource s3c64xx_pcm1_resource[] = {
 171         [0] = DEFINE_RES_MEM(S3C64XX_PA_PCM1, SZ_256),
 172 };
 173
 174 static struct s3c_audio_pdata s3c_pcm1_pdata = {
 175         .cfg_gpio = s3c64xx_pcm_cfg_gpio,
 176         .dma_filter = pl08x_filter_id,
 177         .dma_playback = DMACH_PCM1_TX,
 178         .dma_capture = DMACH_PCM1_RX,
 179 };
 180
 181 struct platform_device s3c64xx_device_pcm1 = {
 182         .name             = "samsung-pcm",
 183         .id               = 1,
 184         .num_resources    = ARRAY_SIZE(s3c64xx_pcm1_resource),
 185         .resource         = s3c64xx_pcm1_resource,
 186         .dev = {
 187                 .platform_data = &s3c_pcm1_pdata,
 188         },
 189 };
 190 EXPORT_SYMBOL(s3c64xx_device_pcm1);
 191
 192 /* AC97 Controller platform devices */
 193
 194 static int s3c64xx_ac97_cfg_gpd(struct platform_device *pdev)
 195 {
 196         return s3c_gpio_cfgpin_range(S3C64XX_GPD(0), 5, S3C_GPIO_SFN(4));
 197 }
 198
 199 static int s3c64xx_ac97_cfg_gpe(struct platform_device *pdev)
 200 {
 201         return s3c_gpio_cfgpin_range(S3C64XX_GPE(0), 5, S3C_GPIO_SFN(4));
 202 }
 203
 204 static struct resource s3c64xx_ac97_resource[] = {
 205         [0] = DEFINE_RES_MEM(S3C64XX_PA_AC97, SZ_256),
 206         [1] = DEFINE_RES_IRQ(IRQ_AC97),
 207 };
 208
 209 static struct s3c_audio_pdata s3c_ac97_pdata = {
 210         .dma_playback = DMACH_AC97_PCMOUT,
 211         .dma_filter = pl08x_filter_id,
 212         .dma_capture = DMACH_AC97_PCMIN,
 213         .dma_capture_mic = DMACH_AC97_MICIN,
 214 };
 215
 216 static u64 s3c64xx_ac97_dmamask = DMA_BIT_MASK(32);
 217
 218 struct platform_device s3c64xx_device_ac97 = {
 219         .name             = "samsung-ac97",
 220         .id               = -1,
 221         .num_resources    = ARRAY_SIZE(s3c64xx_ac97_resource),
 222         .resource         = s3c64xx_ac97_resource,
 223         .dev = {
 224                 .platform_data = &s3c_ac97_pdata,
 225                 .dma_mask = &s3c64xx_ac97_dmamask,
 226                 .coherent_dma_mask = DMA_BIT_MASK(32),
 227         },
 228 };
 229 EXPORT_SYMBOL(s3c64xx_device_ac97);
 230
 231 void __init s3c64xx_ac97_setup_gpio(int num)
 232 {
 233         if (num == S3C64XX_AC97_GPD)
 234                 s3c_ac97_pdata.cfg_gpio = s3c64xx_ac97_cfg_gpd;
 235         else
 236                 s3c_ac97_pdata.cfg_gpio = s3c64xx_ac97_cfg_gpe;
 237 }