irqs.h

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/*
 * arch/arm/mach-footbridge/include/mach/irqs.h
 *
 * Copyright (C) 1998 Russell King
 * Copyright (C) 1998 Phil Blundell
 *
 * Changelog:
 *  20-Jan-1998 RMK Started merge of EBSA286, CATS and NetWinder
 *  01-Feb-1999 PJB ISA IRQs start at 0 not 16
 */
#include <asm/mach-types.h>

#define NR_IRQS         36
#define NR_DC21285_IRQS     16

#define _ISA_IRQ(x)     (0 + (x))
#define _ISA_INR(x)     ((x) - 0)
#define _DC21285_IRQ(x)     (16 + (x))
#define _DC21285_INR(x)     ((x) - 16)

/*
 * This is a list of all interrupts that the 21285
 * can generate and we handle.
 */
#define IRQ_CONRX       _DC21285_IRQ(0)
#define IRQ_CONTX       _DC21285_IRQ(1)
#define IRQ_TIMER1      _DC21285_IRQ(2)
#define IRQ_TIMER2      _DC21285_IRQ(3)
#define IRQ_TIMER3      _DC21285_IRQ(4)
#define IRQ_IN0         _DC21285_IRQ(5)
#define IRQ_IN1         _DC21285_IRQ(6)
#define IRQ_IN2         _DC21285_IRQ(7)
#define IRQ_IN3         _DC21285_IRQ(8)
#define IRQ_DOORBELLHOST    _DC21285_IRQ(9)
#define IRQ_DMA1        _DC21285_IRQ(10)
#define IRQ_DMA2        _DC21285_IRQ(11)
#define IRQ_PCI         _DC21285_IRQ(12)
#define IRQ_SDRAMPARITY     _DC21285_IRQ(13)
#define IRQ_I2OINPOST       _DC21285_IRQ(14)
#define IRQ_PCI_ABORT       _DC21285_IRQ(15)
#define IRQ_PCI_SERR        _DC21285_IRQ(16)
#define IRQ_DISCARD_TIMER   _DC21285_IRQ(17)
#define IRQ_PCI_DPERR       _DC21285_IRQ(18)
#define IRQ_PCI_PERR        _DC21285_IRQ(19)

#define IRQ_ISA_TIMER       _ISA_IRQ(0)
#define IRQ_ISA_KEYBOARD    _ISA_IRQ(1)
#define IRQ_ISA_CASCADE     _ISA_IRQ(2)
#define IRQ_ISA_UART2       _ISA_IRQ(3)
#define IRQ_ISA_UART        _ISA_IRQ(4)
#define IRQ_ISA_FLOPPY      _ISA_IRQ(6)
#define IRQ_ISA_PRINTER     _ISA_IRQ(7)
#define IRQ_ISA_RTC_ALARM   _ISA_IRQ(8)
#define IRQ_ISA_2       _ISA_IRQ(9)
#define IRQ_ISA_PS2MOUSE    _ISA_IRQ(12)
#define IRQ_ISA_HARDDISK1   _ISA_IRQ(14)
#define IRQ_ISA_HARDDISK2   _ISA_IRQ(15)

#define IRQ_MASK_UART_RX    (1 << 2)
#define IRQ_MASK_UART_TX    (1 << 3)
#define IRQ_MASK_TIMER1     (1 << 4)
#define IRQ_MASK_TIMER2     (1 << 5)
#define IRQ_MASK_TIMER3     (1 << 6)
#define IRQ_MASK_IN0        (1 << 8)
#define IRQ_MASK_IN1        (1 << 9)
#define IRQ_MASK_IN2        (1 << 10)
#define IRQ_MASK_IN3        (1 << 11)
#define IRQ_MASK_DOORBELLHOST   (1 << 15)
#define IRQ_MASK_DMA1       (1 << 16)
#define IRQ_MASK_DMA2       (1 << 17)
#define IRQ_MASK_PCI        (1 << 18)
#define IRQ_MASK_SDRAMPARITY    (1 << 24)
#define IRQ_MASK_I2OINPOST  (1 << 25)
#define IRQ_MASK_PCI_ABORT  ((1 << 29) | (1 << 30))
#define IRQ_MASK_PCI_SERR   (1 << 23)
#define IRQ_MASK_DISCARD_TIMER  (1 << 27)
#define IRQ_MASK_PCI_DPERR  (1 << 28)
#define IRQ_MASK_PCI_PERR   (1 << 31)

/*
 * Netwinder interrupt allocations
 */
#define IRQ_NETWINDER_ETHER10   IRQ_IN0
#define IRQ_NETWINDER_ETHER100  IRQ_IN1
#define IRQ_NETWINDER_VIDCOMP   IRQ_IN2
#define IRQ_NETWINDER_PS2MOUSE  _ISA_IRQ(5)
#define IRQ_NETWINDER_IR    _ISA_IRQ(6)
#define IRQ_NETWINDER_BUTTON    _ISA_IRQ(10)
#define IRQ_NETWINDER_VGA   _ISA_IRQ(11)
#define IRQ_NETWINDER_SOUND _ISA_IRQ(12)

#define I8042_KBD_IRQ   IRQ_ISA_KEYBOARD
#define I8042_AUX_IRQ   (machine_is_netwinder() ? IRQ_NETWINDER_PS2MOUSE : IRQ_ISA_PS2MOUSE)
#define IRQ_FLOPPYDISK  IRQ_ISA_FLOPPY

#define irq_canonicalize(_i)    (((_i) == IRQ_ISA_CASCADE) ? IRQ_ISA_2 : _i)