arch/arm/mach-s5pc100/dma.c

   1 /*
   2  * Copyright (C) 2010 Samsung Electronics Co. Ltd.
   3  *      Jaswinder Singh <jassi.brar@samsung.com>
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  18  */
  19
  20 #include <linux/platform_device.h>
  21 #include <linux/dma-mapping.h>
  22
  23 #include <plat/devs.h>
  24
  25 #include <mach/map.h>
  26 #include <mach/irqs.h>
  27
  28 #include <plat/s3c-pl330-pdata.h>
  29
  30 static u64 dma_dmamask = DMA_BIT_MASK(32);
  31
  32 static struct resource s5pc100_pdma0_resource[] = {
  33         [0] = {
  34                 .start  = S5PC100_PA_PDMA0,
  35                 .end    = S5PC100_PA_PDMA0 + SZ_4K,
  36                 .flags = IORESOURCE_MEM,
  37         },
  38         [1] = {
  39                 .start  = IRQ_PDMA0,
  40                 .end    = IRQ_PDMA0,
  41                 .flags  = IORESOURCE_IRQ,
  42         },
  43 };
  44
  45 static struct s3c_pl330_platdata s5pc100_pdma0_pdata = {
  46         .peri = {
  47                 [0] = DMACH_UART0_RX,
  48                 [1] = DMACH_UART0_TX,
  49                 [2] = DMACH_UART1_RX,
  50                 [3] = DMACH_UART1_TX,
  51                 [4] = DMACH_UART2_RX,
  52                 [5] = DMACH_UART2_TX,
  53                 [6] = DMACH_UART3_RX,
  54                 [7] = DMACH_UART3_TX,
  55                 [8] = DMACH_IRDA,
  56                 [9] = DMACH_I2S0_RX,
  57                 [10] = DMACH_I2S0_TX,
  58                 [11] = DMACH_I2S0S_TX,
  59                 [12] = DMACH_I2S1_RX,
  60                 [13] = DMACH_I2S1_TX,
  61                 [14] = DMACH_I2S2_RX,
  62                 [15] = DMACH_I2S2_TX,
  63                 [16] = DMACH_SPI0_RX,
  64                 [17] = DMACH_SPI0_TX,
  65                 [18] = DMACH_SPI1_RX,
  66                 [19] = DMACH_SPI1_TX,
  67                 [20] = DMACH_SPI2_RX,
  68                 [21] = DMACH_SPI2_TX,
  69                 [22] = DMACH_AC97_MICIN,
  70                 [23] = DMACH_AC97_PCMIN,
  71                 [24] = DMACH_AC97_PCMOUT,
  72                 [25] = DMACH_EXTERNAL,
  73                 [26] = DMACH_PWM,
  74                 [27] = DMACH_SPDIF,
  75                 [28] = DMACH_HSI_RX,
  76                 [29] = DMACH_HSI_TX,
  77                 [30] = DMACH_MAX,
  78                 [31] = DMACH_MAX,
  79         },
  80 };
  81
  82 static struct platform_device s5pc100_device_pdma0 = {
  83         .name           = "s3c-pl330",
  84         .id             = 0,
  85         .num_resources  = ARRAY_SIZE(s5pc100_pdma0_resource),
  86         .resource       = s5pc100_pdma0_resource,
  87         .dev            = {
  88                 .dma_mask = &dma_dmamask,
  89                 .coherent_dma_mask = DMA_BIT_MASK(32),
  90                 .platform_data = &s5pc100_pdma0_pdata,
  91         },
  92 };
  93
  94 static struct resource s5pc100_pdma1_resource[] = {
  95         [0] = {
  96                 .start  = S5PC100_PA_PDMA1,
  97                 .end    = S5PC100_PA_PDMA1 + SZ_4K,
  98                 .flags = IORESOURCE_MEM,
  99         },
 100         [1] = {
 101                 .start  = IRQ_PDMA1,
 102                 .end    = IRQ_PDMA1,
 103                 .flags  = IORESOURCE_IRQ,
 104         },
 105 };
 106
 107 static struct s3c_pl330_platdata s5pc100_pdma1_pdata = {
 108         .peri = {
 109                 [0] = DMACH_UART0_RX,
 110                 [1] = DMACH_UART0_TX,
 111                 [2] = DMACH_UART1_RX,
 112                 [3] = DMACH_UART1_TX,
 113                 [4] = DMACH_UART2_RX,
 114                 [5] = DMACH_UART2_TX,
 115                 [6] = DMACH_UART3_RX,
 116                 [7] = DMACH_UART3_TX,
 117                 [8] = DMACH_IRDA,
 118                 [9] = DMACH_I2S0_RX,
 119                 [10] = DMACH_I2S0_TX,
 120                 [11] = DMACH_I2S0S_TX,
 121                 [12] = DMACH_I2S1_RX,
 122                 [13] = DMACH_I2S1_TX,
 123                 [14] = DMACH_I2S2_RX,
 124                 [15] = DMACH_I2S2_TX,
 125                 [16] = DMACH_SPI0_RX,
 126                 [17] = DMACH_SPI0_TX,
 127                 [18] = DMACH_SPI1_RX,
 128                 [19] = DMACH_SPI1_TX,
 129                 [20] = DMACH_SPI2_RX,
 130                 [21] = DMACH_SPI2_TX,
 131                 [22] = DMACH_PCM0_RX,
 132                 [23] = DMACH_PCM0_TX,
 133                 [24] = DMACH_PCM1_RX,
 134                 [25] = DMACH_PCM1_TX,
 135                 [26] = DMACH_MSM_REQ0,
 136                 [27] = DMACH_MSM_REQ1,
 137                 [28] = DMACH_MSM_REQ2,
 138                 [29] = DMACH_MSM_REQ3,
 139                 [30] = DMACH_MAX,
 140                 [31] = DMACH_MAX,
 141         },
 142 };
 143
 144 static struct platform_device s5pc100_device_pdma1 = {
 145         .name           = "s3c-pl330",
 146         .id             = 1,
 147         .num_resources  = ARRAY_SIZE(s5pc100_pdma1_resource),
 148         .resource       = s5pc100_pdma1_resource,
 149         .dev            = {
 150                 .dma_mask = &dma_dmamask,
 151                 .coherent_dma_mask = DMA_BIT_MASK(32),
 152                 .platform_data = &s5pc100_pdma1_pdata,
 153         },
 154 };
 155
 156 static struct platform_device *s5pc100_dmacs[] __initdata = {
 157         &s5pc100_device_pdma0,
 158         &s5pc100_device_pdma1,
 159 };
 160
 161 static int __init s5pc100_dma_init(void)
 162 {
 163         platform_add_devices(s5pc100_dmacs, ARRAY_SIZE(s5pc100_dmacs));
 164
 165         return 0;
 166 }
 167 arch_initcall(s5pc100_dma_init);