arch/arm/plat-s3c64xx/include/plat/irqs.h

   1 /* linux/arch/arm/plat-s3c64xx/include/mach/irqs.h
   2  *
   3  * Copyright 2008 Openmoko, Inc.
   4  * Copyright 2008 Simtec Electronics
   5  *      Ben Dooks <ben@simtec.co.uk>
   6  *      http://armlinux.simtec.co.uk/
   7  *
   8  * S3C64XX - Common IRQ support
   9  */
  10
  11 #ifndef __ASM_PLAT_S3C64XX_IRQS_H
  12 #define __ASM_PLAT_S3C64XX_IRQS_H __FILE__
  13
  14 /* we keep the first set of CPU IRQs out of the range of
  15  * the ISA space, so that the PC104 has them to itself
  16  * and we don't end up having to do horrible things to the
  17  * standard ISA drivers....
  18  *
  19  * note, since we're using the VICs, our start must be a
  20  * mulitple of 32 to allow the common code to work
  21  */
  22
  23 #define S3C_IRQ_OFFSET  (32)
  24
  25 #define S3C_IRQ(x)      ((x) + S3C_IRQ_OFFSET)
  26
  27 #define S3C_VIC0_BASE   S3C_IRQ(0)
  28 #define S3C_VIC1_BASE   S3C_IRQ(32)
  29
  30 /* UART interrupts, each UART has 4 intterupts per channel so
  31  * use the space between the ISA and S3C main interrupts. Note, these
  32  * are not in the same order as the S3C24XX series! */
  33
  34 #define IRQ_S3CUART_BASE0       (16)
  35 #define IRQ_S3CUART_BASE1       (20)
  36 #define IRQ_S3CUART_BASE2       (24)
  37 #define IRQ_S3CUART_BASE3       (28)
  38
  39 #define UART_IRQ_RXD            (0)
  40 #define UART_IRQ_ERR            (1)
  41 #define UART_IRQ_TXD            (2)
  42 #define UART_IRQ_MODEM          (3)
  43
  44 #define IRQ_S3CUART_RX0         (IRQ_S3CUART_BASE0 + UART_IRQ_RXD)
  45 #define IRQ_S3CUART_TX0         (IRQ_S3CUART_BASE0 + UART_IRQ_TXD)
  46 #define IRQ_S3CUART_ERR0        (IRQ_S3CUART_BASE0 + UART_IRQ_ERR)
  47
  48 #define IRQ_S3CUART_RX1         (IRQ_S3CUART_BASE1 + UART_IRQ_RXD)
  49 #define IRQ_S3CUART_TX1         (IRQ_S3CUART_BASE1 + UART_IRQ_TXD)
  50 #define IRQ_S3CUART_ERR1        (IRQ_S3CUART_BASE1 + UART_IRQ_ERR)
  51
  52 #define IRQ_S3CUART_RX2         (IRQ_S3CUART_BASE2 + UART_IRQ_RXD)
  53 #define IRQ_S3CUART_TX2         (IRQ_S3CUART_BASE2 + UART_IRQ_TXD)
  54 #define IRQ_S3CUART_ERR2        (IRQ_S3CUART_BASE2 + UART_IRQ_ERR)
  55
  56 #define IRQ_S3CUART_RX3         (IRQ_S3CUART_BASE3 + UART_IRQ_RXD)
  57 #define IRQ_S3CUART_TX3         (IRQ_S3CUART_BASE3 + UART_IRQ_TXD)
  58 #define IRQ_S3CUART_ERR3        (IRQ_S3CUART_BASE3 + UART_IRQ_ERR)
  59
  60 /* VIC based IRQs */
  61
  62 #define S3C64XX_IRQ_VIC0(x)     (S3C_VIC0_BASE + (x))
  63 #define S3C64XX_IRQ_VIC1(x)     (S3C_VIC1_BASE + (x))
  64
  65 /* VIC0 */
  66
  67 #define IRQ_EINT0_3             S3C64XX_IRQ_VIC0(0)
  68 #define IRQ_EINT4_11            S3C64XX_IRQ_VIC0(1)
  69 #define IRQ_RTC_TIC             S3C64XX_IRQ_VIC0(2)
  70 #define IRQ_CAMIF_C             S3C64XX_IRQ_VIC0(3)
  71 #define IRQ_CAMIF_P             S3C64XX_IRQ_VIC0(4)
  72 #define IRQ_CAMIF_MC            S3C64XX_IRQ_VIC0(5)
  73 #define IRQ_S3C6410_IIS         S3C64XX_IRQ_VIC0(6)
  74 #define IRQ_S3C6400_CAMIF_MP    S3C64XX_IRQ_VIC0(6)
  75 #define IRQ_CAMIF_WE_C          S3C64XX_IRQ_VIC0(7)
  76 #define IRQ_S3C6410_G3D         S3C64XX_IRQ_VIC0(8)
  77 #define IRQ_S3C6400_CAMIF_WE_P  S3C64XX_IRQ_VIC0(8)
  78 #define IRQ_POST0               S3C64XX_IRQ_VIC0(9)
  79 #define IRQ_ROTATOR             S3C64XX_IRQ_VIC0(10)
  80 #define IRQ_2D                  S3C64XX_IRQ_VIC0(11)
  81 #define IRQ_TVENC               S3C64XX_IRQ_VIC0(12)
  82 #define IRQ_SCALER              S3C64XX_IRQ_VIC0(13)
  83 #define IRQ_BATF                S3C64XX_IRQ_VIC0(14)
  84 #define IRQ_JPEG                S3C64XX_IRQ_VIC0(15)
  85 #define IRQ_MFC                 S3C64XX_IRQ_VIC0(16)
  86 #define IRQ_SDMA0               S3C64XX_IRQ_VIC0(17)
  87 #define IRQ_SDMA1               S3C64XX_IRQ_VIC0(18)
  88 #define IRQ_ARM_DMAERR          S3C64XX_IRQ_VIC0(19)
  89 #define IRQ_ARM_DMA             S3C64XX_IRQ_VIC0(20)
  90 #define IRQ_ARM_DMAS            S3C64XX_IRQ_VIC0(21)
  91 #define IRQ_KEYPAD              S3C64XX_IRQ_VIC0(22)
  92 #define IRQ_TIMER0_VIC          S3C64XX_IRQ_VIC0(23)
  93 #define IRQ_TIMER1_VIC          S3C64XX_IRQ_VIC0(24)
  94 #define IRQ_TIMER2_VIC          S3C64XX_IRQ_VIC0(25)
  95 #define IRQ_WDT                 S3C64XX_IRQ_VIC0(26)
  96 #define IRQ_TIMER3_VIC          S3C64XX_IRQ_VIC0(27)
  97 #define IRQ_TIMER4_VIC          S3C64XX_IRQ_VIC0(28)
  98 #define IRQ_LCD_FIFO            S3C64XX_IRQ_VIC0(29)
  99 #define IRQ_LCD_VSYNC           S3C64XX_IRQ_VIC0(30)
 100 #define IRQ_LCD_SYSTEM          S3C64XX_IRQ_VIC0(31)
 101
 102 /* VIC1 */
 103
 104 #define IRQ_EINT12_19           S3C64XX_IRQ_VIC1(0)
 105 #define IRQ_EINT20_27           S3C64XX_IRQ_VIC1(1)
 106 #define IRQ_PCM0                S3C64XX_IRQ_VIC1(2)
 107 #define IRQ_PCM1                S3C64XX_IRQ_VIC1(3)
 108 #define IRQ_AC97                S3C64XX_IRQ_VIC1(4)
 109 #define IRQ_UART0               S3C64XX_IRQ_VIC1(5)
 110 #define IRQ_UART1               S3C64XX_IRQ_VIC1(6)
 111 #define IRQ_UART2               S3C64XX_IRQ_VIC1(7)
 112 #define IRQ_UART3               S3C64XX_IRQ_VIC1(8)
 113 #define IRQ_DMA0                S3C64XX_IRQ_VIC1(9)
 114 #define IRQ_DMA1                S3C64XX_IRQ_VIC1(10)
 115 #define IRQ_ONENAND0            S3C64XX_IRQ_VIC1(11)
 116 #define IRQ_ONENAND1            S3C64XX_IRQ_VIC1(12)
 117 #define IRQ_NFC                 S3C64XX_IRQ_VIC1(13)
 118 #define IRQ_CFCON               S3C64XX_IRQ_VIC1(14)
 119 #define IRQ_UHOST               S3C64XX_IRQ_VIC1(15)
 120 #define IRQ_SPI0                S3C64XX_IRQ_VIC1(16)
 121 #define IRQ_SPI1                S3C64XX_IRQ_VIC1(17)
 122 #define IRQ_IIC                 S3C64XX_IRQ_VIC1(18)
 123 #define IRQ_HSItx               S3C64XX_IRQ_VIC1(19)
 124 #define IRQ_HSIrx               S3C64XX_IRQ_VIC1(20)
 125 #define IRQ_RESERVED            S3C64XX_IRQ_VIC1(21)
 126 #define IRQ_MSM                 S3C64XX_IRQ_VIC1(22)
 127 #define IRQ_HOSTIF              S3C64XX_IRQ_VIC1(23)
 128 #define IRQ_HSMMC0              S3C64XX_IRQ_VIC1(24)
 129 #define IRQ_HSMMC1              S3C64XX_IRQ_VIC1(25)
 130 #define IRQ_HSMMC2              IRQ_SPI1        /* shared with SPI1 */
 131 #define IRQ_OTG                 S3C64XX_IRQ_VIC1(26)
 132 #define IRQ_IRDA                S3C64XX_IRQ_VIC1(27)
 133 #define IRQ_RTC_ALARM           S3C64XX_IRQ_VIC1(28)
 134 #define IRQ_SEC                 S3C64XX_IRQ_VIC1(29)
 135 #define IRQ_PENDN               S3C64XX_IRQ_VIC1(30)
 136 #define IRQ_TC                  IRQ_PENDN
 137 #define IRQ_ADC                 S3C64XX_IRQ_VIC1(31)
 138
 139 #define S3C64XX_TIMER_IRQ(x)    S3C_IRQ(64 + (x))
 140
 141 #define IRQ_TIMER0              S3C64XX_TIMER_IRQ(0)
 142 #define IRQ_TIMER1              S3C64XX_TIMER_IRQ(1)
 143 #define IRQ_TIMER2              S3C64XX_TIMER_IRQ(2)
 144 #define IRQ_TIMER3              S3C64XX_TIMER_IRQ(3)
 145 #define IRQ_TIMER4              S3C64XX_TIMER_IRQ(4)
 146
 147 /* Since the IRQ_EINT(x) are a linear mapping on current s3c64xx series
 148  * we just defined them as an IRQ_EINT(x) macro from S3C_IRQ_EINT_BASE
 149  * which we place after the pair of VICs. */
 150
 151 #define S3C_IRQ_EINT_BASE       S3C_IRQ(64+5)
 152
 153 #define S3C_EINT(x)             ((x) + S3C_IRQ_EINT_BASE)
 154 #define IRQ_EINT(x)             S3C_EINT(x)
 155
 156 /* Next the external interrupt groups. These are similar to the IRQ_EINT(x)
 157  * that they are sourced from the GPIO pins but with a different scheme for
 158  * priority and source indication.
 159  *
 160  * The IRQ_EINT(x) can be thought of as 'group 0' of the available GPIO
 161  * interrupts, but for historical reasons they are kept apart from these
 162  * next interrupts.
 163  *
 164  * Use IRQ_EINT_GROUP(group, offset) to get the number for use in the
 165  * machine specific support files.
 166  */
 167
 168 #define IRQ_EINT_GROUP1_NR      (15)
 169 #define IRQ_EINT_GROUP2_NR      (8)
 170 #define IRQ_EINT_GROUP3_NR      (5)
 171 #define IRQ_EINT_GROUP4_NR      (14)
 172 #define IRQ_EINT_GROUP5_NR      (7)
 173 #define IRQ_EINT_GROUP6_NR      (10)
 174 #define IRQ_EINT_GROUP7_NR      (16)
 175 #define IRQ_EINT_GROUP8_NR      (15)
 176 #define IRQ_EINT_GROUP9_NR      (9)
 177
 178 #define IRQ_EINT_GROUP_BASE     S3C_EINT(28)
 179 #define IRQ_EINT_GROUP1_BASE    (IRQ_EINT_GROUP_BASE + 0x00)
 180 #define IRQ_EINT_GROUP2_BASE    (IRQ_EINT_GROUP1_BASE + IRQ_EINT_GROUP1_NR)
 181 #define IRQ_EINT_GROUP3_BASE    (IRQ_EINT_GROUP2_BASE + IRQ_EINT_GROUP2_NR)
 182 #define IRQ_EINT_GROUP4_BASE    (IRQ_EINT_GROUP3_BASE + IRQ_EINT_GROUP3_NR)
 183 #define IRQ_EINT_GROUP5_BASE    (IRQ_EINT_GROUP4_BASE + IRQ_EINT_GROUP4_NR)
 184 #define IRQ_EINT_GROUP6_BASE    (IRQ_EINT_GROUP5_BASE + IRQ_EINT_GROUP5_NR)
 185 #define IRQ_EINT_GROUP7_BASE    (IRQ_EINT_GROUP6_BASE + IRQ_EINT_GROUP6_NR)
 186 #define IRQ_EINT_GROUP8_BASE    (IRQ_EINT_GROUP7_BASE + IRQ_EINT_GROUP7_NR)
 187 #define IRQ_EINT_GROUP9_BASE    (IRQ_EINT_GROUP8_BASE + IRQ_EINT_GROUP8_NR)
 188
 189 #define IRQ_EINT_GROUP(group, no)       (IRQ_EINT_GROUP##group##__BASE + (x))
 190
 191 /* Set the default NR_IRQS */
 192
 193 #define NR_IRQS (IRQ_EINT_GROUP9_BASE + IRQ_EINT_GROUP9_NR + 1)
 194
 195 #endif /* __ASM_PLAT_S3C64XX_IRQS_H */
 196