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 int s5p6440_cfg_i2s(struct platform_device *pdev)
  23 {
  24         /* configure GPIO for i2s port */
  25         switch (pdev->id) {
  26         case -1:
  27                 s3c_gpio_cfgpin_range(S5P6440_GPR(4), 5, S3C_GPIO_SFN(5));
  28                 s3c_gpio_cfgpin_range(S5P6440_GPR(13), 2, S3C_GPIO_SFN(5));
  29                 break;
  30
  31         default:
  32                 printk(KERN_ERR "Invalid Device %d\n", pdev->id);
  33                 return -EINVAL;
  34         }
  35
  36         return 0;
  37 }
  38
  39 static int s5p6450_cfg_i2s(struct platform_device *pdev)
  40 {
  41         /* configure GPIO for i2s port */
  42         switch (pdev->id) {
  43         case -1:
  44                 s3c_gpio_cfgpin(S5P6450_GPB(4), S3C_GPIO_SFN(5));
  45                 s3c_gpio_cfgpin_range(S5P6450_GPR(4), 5, S3C_GPIO_SFN(5));
  46                 s3c_gpio_cfgpin_range(S5P6450_GPR(13), 2, S3C_GPIO_SFN(5));
  47
  48                 break;
  49
  50         default:
  51                 printk(KERN_ERR "Invalid Device %d\n", pdev->id);
  52                 return -EINVAL;
  53         }
  54
  55         return 0;
  56 }
  57
  58 static struct s3c_audio_pdata s5p6440_i2s_pdata = {
  59         .cfg_gpio = s5p6440_cfg_i2s,
  60 };
  61
  62 static struct s3c_audio_pdata s5p6450_i2s_pdata = {
  63         .cfg_gpio = s5p6450_cfg_i2s,
  64 };
  65
  66 static struct resource s5p64x0_iis0_resource[] = {
  67         [0] = {
  68                 .start  = S5P64X0_PA_I2S,
  69                 .end    = S5P64X0_PA_I2S + 0x100 - 1,
  70                 .flags  = IORESOURCE_MEM,
  71         },
  72         [1] = {
  73                 .start  = DMACH_I2S0_TX,
  74                 .end    = DMACH_I2S0_TX,
  75                 .flags  = IORESOURCE_DMA,
  76         },
  77         [2] = {
  78                 .start  = DMACH_I2S0_RX,
  79                 .end    = DMACH_I2S0_RX,
  80                 .flags  = IORESOURCE_DMA,
  81         },
  82 };
  83
  84 struct platform_device s5p6440_device_iis = {
  85         .name           = "s3c64xx-iis-v4",
  86         .id             = -1,
  87         .num_resources  = ARRAY_SIZE(s5p64x0_iis0_resource),
  88         .resource       = s5p64x0_iis0_resource,
  89         .dev = {
  90                 .platform_data = &s5p6440_i2s_pdata,
  91         },
  92 };
  93
  94 struct platform_device s5p6450_device_iis0 = {
  95         .name           = "s3c64xx-iis-v4",
  96         .id             = -1,
  97         .num_resources  = ARRAY_SIZE(s5p64x0_iis0_resource),
  98         .resource       = s5p64x0_iis0_resource,
  99         .dev = {
 100                 .platform_data = &s5p6450_i2s_pdata,
 101         },
 102 };
 103
 104 /* PCM Controller platform_devices */
 105
 106 static int s5p6440_pcm_cfg_gpio(struct platform_device *pdev)
 107 {
 108         switch (pdev->id) {
 109         case 0:
 110                 s3c_gpio_cfgpin_range(S5P6440_GPR(6), 3, S3C_GPIO_SFN(2));
 111                 s3c_gpio_cfgpin_range(S5P6440_GPR(13), 2, S3C_GPIO_SFN(2));
 112                 break;
 113
 114         default:
 115                 printk(KERN_DEBUG "Invalid PCM Controller number!");
 116                 return -EINVAL;
 117         }
 118
 119         return 0;
 120 }
 121
 122 static struct s3c_audio_pdata s5p6440_pcm_pdata = {
 123         .cfg_gpio = s5p6440_pcm_cfg_gpio,
 124 };
 125
 126 static struct resource s5p6440_pcm0_resource[] = {
 127         [0] = {
 128                 .start  = S5P64X0_PA_PCM,
 129                 .end    = S5P64X0_PA_PCM + 0x100 - 1,
 130                 .flags  = IORESOURCE_MEM,
 131         },
 132         [1] = {
 133                 .start  = DMACH_PCM0_TX,
 134                 .end    = DMACH_PCM0_TX,
 135                 .flags  = IORESOURCE_DMA,
 136         },
 137         [2] = {
 138                 .start  = DMACH_PCM0_RX,
 139                 .end    = DMACH_PCM0_RX,
 140                 .flags  = IORESOURCE_DMA,
 141         },
 142 };
 143
 144 struct platform_device s5p6440_device_pcm = {
 145         .name           = "samsung-pcm",
 146         .id             = 0,
 147         .num_resources  = ARRAY_SIZE(s5p6440_pcm0_resource),
 148         .resource       = s5p6440_pcm0_resource,
 149         .dev = {
 150                 .platform_data = &s5p6440_pcm_pdata,
 151         },
 152 };