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   1 /* arch/arm/mach-s3c2410/include/mach/dma.h
   2  *
   3  * Copyright (C) 2003,2004,2006 Simtec Electronics
   4  *      Ben Dooks <ben@simtec.co.uk>
   5  *
   6  * Samsung S3C24XX DMA support
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License version 2 as
  10  * published by the Free Software Foundation.
  11 */
  12
  13 /* DMA Register definitions */
  14
  15 #define S3C2410_DMA_DISRC               (0x00)
  16 #define S3C2410_DMA_DISRCC              (0x04)
  17 #define S3C2410_DMA_DIDST               (0x08)
  18 #define S3C2410_DMA_DIDSTC              (0x0C)
  19 #define S3C2410_DMA_DCON                (0x10)
  20 #define S3C2410_DMA_DSTAT               (0x14)
  21 #define S3C2410_DMA_DCSRC               (0x18)
  22 #define S3C2410_DMA_DCDST               (0x1C)
  23 #define S3C2410_DMA_DMASKTRIG           (0x20)
  24 #define S3C2412_DMA_DMAREQSEL           (0x24)
  25 #define S3C2443_DMA_DMAREQSEL           (0x24)
  26
  27 #define S3C2410_DISRCC_INC              (1<<0)
  28 #define S3C2410_DISRCC_APB              (1<<1)
  29
  30 #define S3C2410_DMASKTRIG_STOP          (1<<2)
  31 #define S3C2410_DMASKTRIG_ON            (1<<1)
  32 #define S3C2410_DMASKTRIG_SWTRIG        (1<<0)
  33
  34 #define S3C2410_DCON_DEMAND             (0<<31)
  35 #define S3C2410_DCON_HANDSHAKE          (1<<31)
  36 #define S3C2410_DCON_SYNC_PCLK          (0<<30)
  37 #define S3C2410_DCON_SYNC_HCLK          (1<<30)
  38
  39 #define S3C2410_DCON_INTREQ             (1<<29)
  40
  41 #define S3C2410_DCON_CH0_XDREQ0         (0<<24)
  42 #define S3C2410_DCON_CH0_UART0          (1<<24)
  43 #define S3C2410_DCON_CH0_SDI            (2<<24)
  44 #define S3C2410_DCON_CH0_TIMER          (3<<24)
  45 #define S3C2410_DCON_CH0_USBEP1         (4<<24)
  46
  47 #define S3C2410_DCON_CH1_XDREQ1         (0<<24)
  48 #define S3C2410_DCON_CH1_UART1          (1<<24)
  49 #define S3C2410_DCON_CH1_I2SSDI         (2<<24)
  50 #define S3C2410_DCON_CH1_SPI            (3<<24)
  51 #define S3C2410_DCON_CH1_USBEP2         (4<<24)
  52
  53 #define S3C2410_DCON_CH2_I2SSDO         (0<<24)
  54 #define S3C2410_DCON_CH2_I2SSDI         (1<<24)
  55 #define S3C2410_DCON_CH2_SDI            (2<<24)
  56 #define S3C2410_DCON_CH2_TIMER          (3<<24)
  57 #define S3C2410_DCON_CH2_USBEP3         (4<<24)
  58
  59 #define S3C2410_DCON_CH3_UART2          (0<<24)
  60 #define S3C2410_DCON_CH3_SDI            (1<<24)
  61 #define S3C2410_DCON_CH3_SPI            (2<<24)
  62 #define S3C2410_DCON_CH3_TIMER          (3<<24)
  63 #define S3C2410_DCON_CH3_USBEP4         (4<<24)
  64
  65 #define S3C2410_DCON_SRCSHIFT           (24)
  66 #define S3C2410_DCON_SRCMASK            (7<<24)
  67
  68 #define S3C2410_DCON_BYTE               (0<<20)
  69 #define S3C2410_DCON_HALFWORD           (1<<20)
  70 #define S3C2410_DCON_WORD               (2<<20)
  71
  72 #define S3C2410_DCON_AUTORELOAD         (0<<22)
  73 #define S3C2410_DCON_NORELOAD           (1<<22)
  74 #define S3C2410_DCON_HWTRIG             (1<<23)
  75
  76 #ifdef CONFIG_CPU_S3C2440
  77 #define S3C2440_DIDSTC_CHKINT           (1<<2)
  78
  79 #define S3C2440_DCON_CH0_I2SSDO         (5<<24)
  80 #define S3C2440_DCON_CH0_PCMIN          (6<<24)
  81
  82 #define S3C2440_DCON_CH1_PCMOUT         (5<<24)
  83 #define S3C2440_DCON_CH1_SDI            (6<<24)
  84
  85 #define S3C2440_DCON_CH2_PCMIN          (5<<24)
  86 #define S3C2440_DCON_CH2_MICIN          (6<<24)
  87
  88 #define S3C2440_DCON_CH3_MICIN          (5<<24)
  89 #define S3C2440_DCON_CH3_PCMOUT         (6<<24)
  90 #endif
  91
  92 #ifdef CONFIG_CPU_S3C2412
  93
  94 #define S3C2412_DMAREQSEL_SRC(x)        ((x)<<1)
  95
  96 #define S3C2412_DMAREQSEL_HW            (1)
  97
  98 #define S3C2412_DMAREQSEL_SPI0TX        S3C2412_DMAREQSEL_SRC(0)
  99 #define S3C2412_DMAREQSEL_SPI0RX        S3C2412_DMAREQSEL_SRC(1)
 100 #define S3C2412_DMAREQSEL_SPI1TX        S3C2412_DMAREQSEL_SRC(2)
 101 #define S3C2412_DMAREQSEL_SPI1RX        S3C2412_DMAREQSEL_SRC(3)
 102 #define S3C2412_DMAREQSEL_I2STX         S3C2412_DMAREQSEL_SRC(4)
 103 #define S3C2412_DMAREQSEL_I2SRX         S3C2412_DMAREQSEL_SRC(5)
 104 #define S3C2412_DMAREQSEL_TIMER         S3C2412_DMAREQSEL_SRC(9)
 105 #define S3C2412_DMAREQSEL_SDI           S3C2412_DMAREQSEL_SRC(10)
 106 #define S3C2412_DMAREQSEL_USBEP1        S3C2412_DMAREQSEL_SRC(13)
 107 #define S3C2412_DMAREQSEL_USBEP2        S3C2412_DMAREQSEL_SRC(14)
 108 #define S3C2412_DMAREQSEL_USBEP3        S3C2412_DMAREQSEL_SRC(15)
 109 #define S3C2412_DMAREQSEL_USBEP4        S3C2412_DMAREQSEL_SRC(16)
 110 #define S3C2412_DMAREQSEL_XDREQ0        S3C2412_DMAREQSEL_SRC(17)
 111 #define S3C2412_DMAREQSEL_XDREQ1        S3C2412_DMAREQSEL_SRC(18)
 112 #define S3C2412_DMAREQSEL_UART0_0       S3C2412_DMAREQSEL_SRC(19)
 113 #define S3C2412_DMAREQSEL_UART0_1       S3C2412_DMAREQSEL_SRC(20)
 114 #define S3C2412_DMAREQSEL_UART1_0       S3C2412_DMAREQSEL_SRC(21)
 115 #define S3C2412_DMAREQSEL_UART1_1       S3C2412_DMAREQSEL_SRC(22)
 116 #define S3C2412_DMAREQSEL_UART2_0       S3C2412_DMAREQSEL_SRC(23)
 117 #define S3C2412_DMAREQSEL_UART2_1       S3C2412_DMAREQSEL_SRC(24)
 118
 119 #endif
 120
 121 #define S3C2443_DMAREQSEL_SRC(x)        ((x)<<1)
 122
 123 #define S3C2443_DMAREQSEL_HW            (1)
 124
 125 #define S3C2443_DMAREQSEL_SPI0TX        S3C2443_DMAREQSEL_SRC(0)
 126 #define S3C2443_DMAREQSEL_SPI0RX        S3C2443_DMAREQSEL_SRC(1)
 127 #define S3C2443_DMAREQSEL_SPI1TX        S3C2443_DMAREQSEL_SRC(2)
 128 #define S3C2443_DMAREQSEL_SPI1RX        S3C2443_DMAREQSEL_SRC(3)
 129 #define S3C2443_DMAREQSEL_I2STX         S3C2443_DMAREQSEL_SRC(4)
 130 #define S3C2443_DMAREQSEL_I2SRX         S3C2443_DMAREQSEL_SRC(5)
 131 #define S3C2443_DMAREQSEL_TIMER         S3C2443_DMAREQSEL_SRC(9)
 132 #define S3C2443_DMAREQSEL_SDI           S3C2443_DMAREQSEL_SRC(10)
 133 #define S3C2443_DMAREQSEL_XDREQ0        S3C2443_DMAREQSEL_SRC(17)
 134 #define S3C2443_DMAREQSEL_XDREQ1        S3C2443_DMAREQSEL_SRC(18)
 135 #define S3C2443_DMAREQSEL_UART0_0       S3C2443_DMAREQSEL_SRC(19)
 136 #define S3C2443_DMAREQSEL_UART0_1       S3C2443_DMAREQSEL_SRC(20)
 137 #define S3C2443_DMAREQSEL_UART1_0       S3C2443_DMAREQSEL_SRC(21)
 138 #define S3C2443_DMAREQSEL_UART1_1       S3C2443_DMAREQSEL_SRC(22)
 139 #define S3C2443_DMAREQSEL_UART2_0       S3C2443_DMAREQSEL_SRC(23)
 140 #define S3C2443_DMAREQSEL_UART2_1       S3C2443_DMAREQSEL_SRC(24)
 141 #define S3C2443_DMAREQSEL_UART3_0       S3C2443_DMAREQSEL_SRC(25)
 142 #define S3C2443_DMAREQSEL_UART3_1       S3C2443_DMAREQSEL_SRC(26)
 143 #define S3C2443_DMAREQSEL_PCMOUT        S3C2443_DMAREQSEL_SRC(27)
 144 #define S3C2443_DMAREQSEL_PCMIN         S3C2443_DMAREQSEL_SRC(28)
 145 #define S3C2443_DMAREQSEL_MICIN         S3C2443_DMAREQSEL_SRC(29)