arch/arm/mach-s5pc100/dev-audio.c

   1 /* linux/arch/arm/mach-s5pc100/dev-audio.c
   2  *
   3  * Copyright (c) 2010 Samsung Electronics Co. Ltd
   4  *      Jaswinder Singh <jassi.brar@samsung.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/platform_device.h>
  12 #include <linux/dma-mapping.h>
  13 #include <linux/gpio.h>
  14
  15 #include <plat/gpio-cfg.h>
  16 #include <linux/platform_data/asoc-s3c.h>
  17
  18 #include <mach/map.h>
  19 #include <mach/dma.h>
  20 #include <mach/irqs.h>
  21
  22 static int s5pc100_cfg_i2s(struct platform_device *pdev)
  23 {
  24         /* configure GPIO for i2s port */
  25         switch (pdev->id) {
  26         case 0: /* Dedicated pins */
  27                 break;
  28         case 1:
  29                 s3c_gpio_cfgpin_range(S5PC100_GPC(0), 5, S3C_GPIO_SFN(2));
  30                 break;
  31         case 2:
  32                 s3c_gpio_cfgpin_range(S5PC100_GPG3(0), 5, S3C_GPIO_SFN(4));
  33                 break;
  34         default:
  35                 printk(KERN_ERR "Invalid Device %d\n", pdev->id);
  36                 return -EINVAL;
  37         }
  38
  39         return 0;
  40 }
  41
  42 static const char *rclksrc_v5[] = {
  43         [0] = "iis",
  44         [1] = "i2sclkd2",
  45 };
  46
  47 static struct s3c_audio_pdata i2sv5_pdata = {
  48         .cfg_gpio = s5pc100_cfg_i2s,
  49         .type = {
  50                 .i2s = {
  51                         .quirks = QUIRK_PRI_6CHAN | QUIRK_SEC_DAI
  52                                          | QUIRK_NEED_RSTCLR,
  53                         .src_clk = rclksrc_v5,
  54                 },
  55         },
  56 };
  57
  58 static struct resource s5pc100_iis0_resource[] = {
  59         [0] = DEFINE_RES_MEM(S5PC100_PA_I2S0, SZ_256),
  60         [1] = DEFINE_RES_DMA(DMACH_I2S0_TX),
  61         [2] = DEFINE_RES_DMA(DMACH_I2S0_RX),
  62         [3] = DEFINE_RES_DMA(DMACH_I2S0S_TX),
  63 };
  64
  65 struct platform_device s5pc100_device_iis0 = {
  66         .name = "samsung-i2s",
  67         .id = 0,
  68         .num_resources    = ARRAY_SIZE(s5pc100_iis0_resource),
  69         .resource         = s5pc100_iis0_resource,
  70         .dev = {
  71                 .platform_data = &i2sv5_pdata,
  72         },
  73 };
  74
  75 static const char *rclksrc_v3[] = {
  76         [0] = "iis",
  77         [1] = "sclk_audio",
  78 };
  79
  80 static struct s3c_audio_pdata i2sv3_pdata = {
  81         .cfg_gpio = s5pc100_cfg_i2s,
  82         .type = {
  83                 .i2s = {
  84                         .src_clk = rclksrc_v3,
  85                 },
  86         },
  87 };
  88
  89 static struct resource s5pc100_iis1_resource[] = {
  90         [0] = DEFINE_RES_MEM(S5PC100_PA_I2S1, SZ_256),
  91         [1] = DEFINE_RES_DMA(DMACH_I2S1_TX),
  92         [2] = DEFINE_RES_DMA(DMACH_I2S1_RX),
  93 };
  94
  95 struct platform_device s5pc100_device_iis1 = {
  96         .name             = "samsung-i2s",
  97         .id               = 1,
  98         .num_resources    = ARRAY_SIZE(s5pc100_iis1_resource),
  99         .resource         = s5pc100_iis1_resource,
 100         .dev = {
 101                 .platform_data = &i2sv3_pdata,
 102         },
 103 };
 104
 105 static struct resource s5pc100_iis2_resource[] = {
 106         [0] = DEFINE_RES_MEM(S5PC100_PA_I2S2, SZ_256),
 107         [1] = DEFINE_RES_DMA(DMACH_I2S2_TX),
 108         [2] = DEFINE_RES_DMA(DMACH_I2S2_RX),
 109 };
 110
 111 struct platform_device s5pc100_device_iis2 = {
 112         .name             = "samsung-i2s",
 113         .id               = 2,
 114         .num_resources    = ARRAY_SIZE(s5pc100_iis2_resource),
 115         .resource         = s5pc100_iis2_resource,
 116         .dev = {
 117                 .platform_data = &i2sv3_pdata,
 118         },
 119 };
 120
 121 /* PCM Controller platform_devices */
 122
 123 static int s5pc100_pcm_cfg_gpio(struct platform_device *pdev)
 124 {
 125         switch (pdev->id) {
 126         case 0:
 127                 s3c_gpio_cfgpin_range(S5PC100_GPG3(0), 5, S3C_GPIO_SFN(5));
 128                 break;
 129
 130         case 1:
 131                 s3c_gpio_cfgpin_range(S5PC100_GPC(0), 5, S3C_GPIO_SFN(3));
 132                 break;
 133
 134         default:
 135                 printk(KERN_DEBUG "Invalid PCM Controller number!");
 136                 return -EINVAL;
 137         }
 138
 139         return 0;
 140 }
 141
 142 static struct s3c_audio_pdata s3c_pcm_pdata = {
 143         .cfg_gpio = s5pc100_pcm_cfg_gpio,
 144 };
 145
 146 static struct resource s5pc100_pcm0_resource[] = {
 147         [0] = DEFINE_RES_MEM(S5PC100_PA_PCM0, SZ_256),
 148         [1] = DEFINE_RES_DMA(DMACH_PCM0_TX),
 149         [2] = DEFINE_RES_DMA(DMACH_PCM0_RX),
 150 };
 151
 152 struct platform_device s5pc100_device_pcm0 = {
 153         .name             = "samsung-pcm",
 154         .id               = 0,
 155         .num_resources    = ARRAY_SIZE(s5pc100_pcm0_resource),
 156         .resource         = s5pc100_pcm0_resource,
 157         .dev = {
 158                 .platform_data = &s3c_pcm_pdata,
 159         },
 160 };
 161
 162 static struct resource s5pc100_pcm1_resource[] = {
 163         [0] = DEFINE_RES_MEM(S5PC100_PA_PCM1, SZ_256),
 164         [1] = DEFINE_RES_DMA(DMACH_PCM1_TX),
 165         [2] = DEFINE_RES_DMA(DMACH_PCM1_RX),
 166 };
 167
 168 struct platform_device s5pc100_device_pcm1 = {
 169         .name             = "samsung-pcm",
 170         .id               = 1,
 171         .num_resources    = ARRAY_SIZE(s5pc100_pcm1_resource),
 172         .resource         = s5pc100_pcm1_resource,
 173         .dev = {
 174                 .platform_data = &s3c_pcm_pdata,
 175         },
 176 };
 177
 178 /* AC97 Controller platform devices */
 179
 180 static int s5pc100_ac97_cfg_gpio(struct platform_device *pdev)
 181 {
 182         return s3c_gpio_cfgpin_range(S5PC100_GPC(0), 5, S3C_GPIO_SFN(4));
 183 }
 184
 185 static struct resource s5pc100_ac97_resource[] = {
 186         [0] = DEFINE_RES_MEM(S5PC100_PA_AC97, SZ_256),
 187         [1] = DEFINE_RES_DMA(DMACH_AC97_PCMOUT),
 188         [2] = DEFINE_RES_DMA(DMACH_AC97_PCMIN),
 189         [3] = DEFINE_RES_DMA(DMACH_AC97_MICIN),
 190         [4] = DEFINE_RES_IRQ(IRQ_AC97),
 191 };
 192
 193 static struct s3c_audio_pdata s3c_ac97_pdata = {
 194         .cfg_gpio = s5pc100_ac97_cfg_gpio,
 195 };
 196
 197 static u64 s5pc100_ac97_dmamask = DMA_BIT_MASK(32);
 198
 199 struct platform_device s5pc100_device_ac97 = {
 200         .name             = "samsung-ac97",
 201         .id               = -1,
 202         .num_resources    = ARRAY_SIZE(s5pc100_ac97_resource),
 203         .resource         = s5pc100_ac97_resource,
 204         .dev = {
 205                 .platform_data = &s3c_ac97_pdata,
 206                 .dma_mask = &s5pc100_ac97_dmamask,
 207                 .coherent_dma_mask = DMA_BIT_MASK(32),
 208         },
 209 };
 210
 211 /* S/PDIF Controller platform_device */
 212 static int s5pc100_spdif_cfg_gpd(struct platform_device *pdev)
 213 {
 214         s3c_gpio_cfgpin_range(S5PC100_GPD(5), 2, S3C_GPIO_SFN(3));
 215
 216         return 0;
 217 }
 218
 219 static int s5pc100_spdif_cfg_gpg3(struct platform_device *pdev)
 220 {
 221         s3c_gpio_cfgpin_range(S5PC100_GPG3(5), 2, S3C_GPIO_SFN(3));
 222
 223         return 0;
 224 }
 225
 226 static struct resource s5pc100_spdif_resource[] = {
 227         [0] = DEFINE_RES_MEM(S5PC100_PA_SPDIF, SZ_256),
 228         [1] = DEFINE_RES_DMA(DMACH_SPDIF),
 229 };
 230
 231 static struct s3c_audio_pdata s5p_spdif_pdata = {
 232         .cfg_gpio = s5pc100_spdif_cfg_gpd,
 233 };
 234
 235 static u64 s5pc100_spdif_dmamask = DMA_BIT_MASK(32);
 236
 237 struct platform_device s5pc100_device_spdif = {
 238         .name           = "samsung-spdif",
 239         .id             = -1,
 240         .num_resources  = ARRAY_SIZE(s5pc100_spdif_resource),
 241         .resource       = s5pc100_spdif_resource,
 242         .dev = {
 243                 .platform_data = &s5p_spdif_pdata,
 244                 .dma_mask = &s5pc100_spdif_dmamask,
 245                 .coherent_dma_mask = DMA_BIT_MASK(32),
 246         },
 247 };
 248
 249 void __init s5pc100_spdif_setup_gpio(int gpio)
 250 {
 251         if (gpio == S5PC100_SPDIF_GPD)
 252                 s5p_spdif_pdata.cfg_gpio = s5pc100_spdif_cfg_gpd;
 253         else
 254                 s5p_spdif_pdata.cfg_gpio = s5pc100_spdif_cfg_gpg3;
 255 }