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] = DEFINE_RES_MEM(S5P64X0_PA_I2S, SZ_256),
  55         [1] = DEFINE_RES_DMA(DMACH_I2S0_TX),
  56         [2] = DEFINE_RES_DMA(DMACH_I2S0_RX),
  57 };
  58
  59 struct platform_device s5p6440_device_iis = {
  60         .name           = "samsung-i2s",
  61         .id             = 0,
  62         .num_resources  = ARRAY_SIZE(s5p64x0_i2s0_resource),
  63         .resource       = s5p64x0_i2s0_resource,
  64         .dev = {
  65                 .platform_data = &s5p6440_i2s_pdata,
  66         },
  67 };
  68
  69 static int s5p6450_cfg_i2s(struct platform_device *pdev)
  70 {
  71         switch (pdev->id) {
  72         case 0:
  73                 s3c_gpio_cfgpin_range(S5P6450_GPR(4), 5, S3C_GPIO_SFN(5));
  74                 s3c_gpio_cfgpin_range(S5P6450_GPR(13), 2, S3C_GPIO_SFN(5));
  75                 break;
  76         case 1:
  77                 s3c_gpio_cfgpin(S5P6440_GPB(4), S3C_GPIO_SFN(5));
  78                 s3c_gpio_cfgpin_range(S5P6450_GPC(0), 4, S3C_GPIO_SFN(5));
  79                 break;
  80         case 2:
  81                 s3c_gpio_cfgpin_range(S5P6450_GPK(0), 5, S3C_GPIO_SFN(5));
  82                 break;
  83         default:
  84                 printk(KERN_ERR "Invalid Device %d\n", pdev->id);
  85                 return -EINVAL;
  86         }
  87
  88         return 0;
  89 }
  90
  91 static struct s3c_audio_pdata s5p6450_i2s0_pdata = {
  92         .cfg_gpio = s5p6450_cfg_i2s,
  93         .type = {
  94                 .i2s = {
  95                         .quirks = QUIRK_PRI_6CHAN,
  96                         .src_clk = rclksrc,
  97                 },
  98         },
  99 };
 100
 101 struct platform_device s5p6450_device_iis0 = {
 102         .name           = "samsung-i2s",
 103         .id             = 0,
 104         .num_resources  = ARRAY_SIZE(s5p64x0_i2s0_resource),
 105         .resource       = s5p64x0_i2s0_resource,
 106         .dev = {
 107                 .platform_data = &s5p6450_i2s0_pdata,
 108         },
 109 };
 110
 111 static struct s3c_audio_pdata s5p6450_i2s_pdata = {
 112         .cfg_gpio = s5p6450_cfg_i2s,
 113         .type = {
 114                 .i2s = {
 115                         .src_clk = rclksrc,
 116                 },
 117         },
 118 };
 119
 120 static struct resource s5p6450_i2s1_resource[] = {
 121         [0] = DEFINE_RES_MEM(S5P6450_PA_I2S1, SZ_256),
 122         [1] = DEFINE_RES_DMA(DMACH_I2S1_TX),
 123         [2] = DEFINE_RES_DMA(DMACH_I2S1_RX),
 124 };
 125
 126 struct platform_device s5p6450_device_iis1 = {
 127         .name           = "samsung-i2s",
 128         .id             = 1,
 129         .num_resources  = ARRAY_SIZE(s5p6450_i2s1_resource),
 130         .resource       = s5p6450_i2s1_resource,
 131         .dev = {
 132                 .platform_data = &s5p6450_i2s_pdata,
 133         },
 134 };
 135
 136 static struct resource s5p6450_i2s2_resource[] = {
 137         [0] = DEFINE_RES_MEM(S5P6450_PA_I2S2, SZ_256),
 138         [1] = DEFINE_RES_DMA(DMACH_I2S2_TX),
 139         [2] = DEFINE_RES_DMA(DMACH_I2S2_RX),
 140 };
 141
 142 struct platform_device s5p6450_device_iis2 = {
 143         .name           = "samsung-i2s",
 144         .id             = 2,
 145         .num_resources  = ARRAY_SIZE(s5p6450_i2s2_resource),
 146         .resource       = s5p6450_i2s2_resource,
 147         .dev = {
 148                 .platform_data = &s5p6450_i2s_pdata,
 149         },
 150 };
 151
 152 /* PCM Controller platform_devices */
 153
 154 static int s5p6440_pcm_cfg_gpio(struct platform_device *pdev)
 155 {
 156         switch (pdev->id) {
 157         case 0:
 158                 s3c_gpio_cfgpin_range(S5P6440_GPR(6), 3, S3C_GPIO_SFN(2));
 159                 s3c_gpio_cfgpin_range(S5P6440_GPR(13), 2, S3C_GPIO_SFN(2));
 160                 break;
 161
 162         default:
 163                 printk(KERN_DEBUG "Invalid PCM Controller number!");
 164                 return -EINVAL;
 165         }
 166
 167         return 0;
 168 }
 169
 170 static struct s3c_audio_pdata s5p6440_pcm_pdata = {
 171         .cfg_gpio = s5p6440_pcm_cfg_gpio,
 172 };
 173
 174 static struct resource s5p6440_pcm0_resource[] = {
 175         [0] = DEFINE_RES_MEM(S5P64X0_PA_PCM, SZ_256),
 176         [1] = DEFINE_RES_DMA(DMACH_PCM0_TX),
 177         [2] = DEFINE_RES_DMA(DMACH_PCM0_RX),
 178 };
 179
 180 struct platform_device s5p6440_device_pcm = {
 181         .name           = "samsung-pcm",
 182         .id             = 0,
 183         .num_resources  = ARRAY_SIZE(s5p6440_pcm0_resource),
 184         .resource       = s5p6440_pcm0_resource,
 185         .dev = {
 186                 .platform_data = &s5p6440_pcm_pdata,
 187         },
 188 };