arch/arm/mach-s5p64x0/dev-audio.c

   1 /* linux/arch/arm/mach-s5p64x0/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 <plat/audio.h>
  17
  18 #include <mach/map.h>
  19 #include <mach/dma.h>
  20 #include <mach/irqs.h>
  21
  22 static const char *rclksrc[] = {
  23         [0] = "iis",
  24         [1] = "sclk_audio2",
  25 };
  26
  27 static int s5p6440_cfg_i2s(struct platform_device *pdev)
  28 {
  29         switch (pdev->id) {
  30         case 0:
  31                 s3c_gpio_cfgpin_range(S5P6440_GPC(4), 2, S3C_GPIO_SFN(5));
  32                 s3c_gpio_cfgpin(S5P6440_GPC(7), S3C_GPIO_SFN(5));
  33                 s3c_gpio_cfgpin_range(S5P6440_GPH(6), 4, S3C_GPIO_SFN(5));
  34                 break;
  35         default:
  36                 printk(KERN_ERR "Invalid Device %d\n", pdev->id);
  37                 return -EINVAL;
  38         }
  39
  40         return 0;
  41 }
  42
  43 static struct s3c_audio_pdata s5p6440_i2s_pdata = {
  44         .cfg_gpio = s5p6440_cfg_i2s,
  45         .type = {
  46                 .i2s = {
  47                         .quirks = QUIRK_PRI_6CHAN,
  48                         .src_clk = rclksrc,
  49                 },
  50         },
  51 };
  52
  53 static struct resource s5p64x0_i2s0_resource[] = {
  54         [0] = {
  55                 .start  = S5P64X0_PA_I2S,
  56                 .end    = S5P64X0_PA_I2S + 0x100 - 1,
  57                 .flags  = IORESOURCE_MEM,
  58         },
  59         [1] = {
  60                 .start  = DMACH_I2S0_TX,
  61                 .end    = DMACH_I2S0_TX,
  62                 .flags  = IORESOURCE_DMA,
  63         },
  64         [2] = {
  65                 .start  = DMACH_I2S0_RX,
  66                 .end    = DMACH_I2S0_RX,
  67                 .flags  = IORESOURCE_DMA,
  68         },
  69 };
  70
  71 struct platform_device s5p6440_device_iis = {
  72         .name           = "samsung-i2s",
  73         .id             = 0,
  74         .num_resources  = ARRAY_SIZE(s5p64x0_i2s0_resource),
  75         .resource       = s5p64x0_i2s0_resource,
  76         .dev = {
  77                 .platform_data = &s5p6440_i2s_pdata,
  78         },
  79 };
  80
  81 static int s5p6450_cfg_i2s(struct platform_device *pdev)
  82 {
  83         switch (pdev->id) {
  84         case 0:
  85                 s3c_gpio_cfgpin_range(S5P6450_GPR(4), 5, S3C_GPIO_SFN(5));
  86                 s3c_gpio_cfgpin_range(S5P6450_GPR(13), 2, S3C_GPIO_SFN(5));
  87                 break;
  88         case 1:
  89                 s3c_gpio_cfgpin(S5P6440_GPB(4), S3C_GPIO_SFN(5));
  90                 s3c_gpio_cfgpin_range(S5P6450_GPC(0), 4, S3C_GPIO_SFN(5));
  91                 break;
  92         case 2:
  93                 s3c_gpio_cfgpin_range(S5P6450_GPK(0), 5, S3C_GPIO_SFN(5));
  94                 break;
  95         default:
  96                 printk(KERN_ERR "Invalid Device %d\n", pdev->id);
  97                 return -EINVAL;
  98         }
  99
 100         return 0;
 101 }
 102
 103 static struct s3c_audio_pdata s5p6450_i2s0_pdata = {
 104         .cfg_gpio = s5p6450_cfg_i2s,
 105         .type = {
 106                 .i2s = {
 107                         .quirks = QUIRK_PRI_6CHAN,
 108                         .src_clk = rclksrc,
 109                 },
 110         },
 111 };
 112
 113 struct platform_device s5p6450_device_iis0 = {
 114         .name           = "samsung-i2s",
 115         .id             = 0,
 116         .num_resources  = ARRAY_SIZE(s5p64x0_i2s0_resource),
 117         .resource       = s5p64x0_i2s0_resource,
 118         .dev = {
 119                 .platform_data = &s5p6450_i2s0_pdata,
 120         },
 121 };
 122
 123 static struct s3c_audio_pdata s5p6450_i2s_pdata = {
 124         .cfg_gpio = s5p6450_cfg_i2s,
 125         .type = {
 126                 .i2s = {
 127                         .src_clk = rclksrc,
 128                 },
 129         },
 130 };
 131
 132 static struct resource s5p6450_i2s1_resource[] = {
 133         [0] = {
 134                 .start  = S5P6450_PA_I2S1,
 135                 .end    = S5P6450_PA_I2S1 + 0x100 - 1,
 136                 .flags  = IORESOURCE_MEM,
 137         },
 138         [1] = {
 139                 .start  = DMACH_I2S1_TX,
 140                 .end    = DMACH_I2S1_TX,
 141                 .flags  = IORESOURCE_DMA,
 142         },
 143         [2] = {
 144                 .start  = DMACH_I2S1_RX,
 145                 .end    = DMACH_I2S1_RX,
 146                 .flags  = IORESOURCE_DMA,
 147         },
 148 };
 149
 150 struct platform_device s5p6450_device_iis1 = {
 151         .name           = "samsung-i2s",
 152         .id             = 1,
 153         .num_resources  = ARRAY_SIZE(s5p6450_i2s1_resource),
 154         .resource       = s5p6450_i2s1_resource,
 155         .dev = {
 156                 .platform_data = &s5p6450_i2s_pdata,
 157         },
 158 };
 159
 160 static struct resource s5p6450_i2s2_resource[] = {
 161         [0] = {
 162                 .start  = S5P6450_PA_I2S2,
 163                 .end    = S5P6450_PA_I2S2 + 0x100 - 1,
 164                 .flags  = IORESOURCE_MEM,
 165         },
 166         [1] = {
 167                 .start  = DMACH_I2S2_TX,
 168                 .end    = DMACH_I2S2_TX,
 169                 .flags  = IORESOURCE_DMA,
 170         },
 171         [2] = {
 172                 .start  = DMACH_I2S2_RX,
 173                 .end    = DMACH_I2S2_RX,
 174                 .flags  = IORESOURCE_DMA,
 175         },
 176 };
 177
 178 struct platform_device s5p6450_device_iis2 = {
 179         .name           = "samsung-i2s",
 180         .id             = 2,
 181         .num_resources  = ARRAY_SIZE(s5p6450_i2s2_resource),
 182         .resource       = s5p6450_i2s2_resource,
 183         .dev = {
 184                 .platform_data = &s5p6450_i2s_pdata,
 185         },
 186 };
 187
 188 /* PCM Controller platform_devices */
 189
 190 static int s5p6440_pcm_cfg_gpio(struct platform_device *pdev)
 191 {
 192         switch (pdev->id) {
 193         case 0:
 194                 s3c_gpio_cfgpin_range(S5P6440_GPR(6), 3, S3C_GPIO_SFN(2));
 195                 s3c_gpio_cfgpin_range(S5P6440_GPR(13), 2, S3C_GPIO_SFN(2));
 196                 break;
 197
 198         default:
 199                 printk(KERN_DEBUG "Invalid PCM Controller number!");
 200                 return -EINVAL;
 201         }
 202
 203         return 0;
 204 }
 205
 206 static struct s3c_audio_pdata s5p6440_pcm_pdata = {
 207         .cfg_gpio = s5p6440_pcm_cfg_gpio,
 208 };
 209
 210 static struct resource s5p6440_pcm0_resource[] = {
 211         [0] = {
 212                 .start  = S5P64X0_PA_PCM,
 213                 .end    = S5P64X0_PA_PCM + 0x100 - 1,
 214                 .flags  = IORESOURCE_MEM,
 215         },
 216         [1] = {
 217                 .start  = DMACH_PCM0_TX,
 218                 .end    = DMACH_PCM0_TX,
 219                 .flags  = IORESOURCE_DMA,
 220         },
 221         [2] = {
 222                 .start  = DMACH_PCM0_RX,
 223                 .end    = DMACH_PCM0_RX,
 224                 .flags  = IORESOURCE_DMA,
 225         },
 226 };
 227
 228 struct platform_device s5p6440_device_pcm = {
 229         .name           = "samsung-pcm",
 230         .id             = 0,
 231         .num_resources  = ARRAY_SIZE(s5p6440_pcm0_resource),
 232         .resource       = s5p6440_pcm0_resource,
 233         .dev = {
 234                 .platform_data = &s5p6440_pcm_pdata,
 235         },
 236 };