patch-2.2.8 linux/include/asm-arm/arch-vnc/irq.h

• Lines: 157
• Date: Wed Dec 31 16:00:00 1969
• Orig file: v2.2.7/linux/include/asm-arm/arch-vnc/irq.h
• Orig date: Tue Dec 22 14:16:58 1998

diff -u --recursive --new-file v2.2.7/linux/include/asm-arm/arch-vnc/irq.h linux/include/asm-arm/arch-vnc/irq.h
@@ -1,156 +0,0 @@
-/*
- * include/asm-arm/arch-vnc/irq.h
- *
- * Copyright (C) 1998 Russell King
- *
- * Changelog:
- *   22-08-1998	RMK	Restructured IRQ routines
- */
-
-#include <asm/dec21285.h>
-#include <asm/irq.h>
-
-/*
- * FootBridge IRQ translation table
- *  Converts form our IRQ numbers into FootBridge masks (defined in irqs.h)
- */
-static int fb_irq_mask[16] = {
-	0,
-	IRQ_MASK_SOFTIRQ,
-	IRQ_MASK_UART_DEBUG,
-	0,
-	IRQ_MASK_TIMER0,
-	IRQ_MASK_TIMER1,
-	IRQ_MASK_TIMER2,
-	IRQ_MASK_WATCHDOG,
-	IRQ_MASK_ETHER10,
-	IRQ_MASK_ETHER100,
-	IRQ_MASK_VIDCOMP,
-	IRQ_MASK_EXTERN_IRQ,
-	IRQ_MASK_DMA1,
-	0,
-	0,
-	IRQ_MASK_PCI_ERR
-};
-
-static void vnc_mask_csr_irq(unsigned int irq)
-{
-	*CSR_IRQ_DISABLE = fb_irq_mask[irq];
-}
-
-static void vnc_unmask_csr_irq(unsigned int irq)
-{
-	*CSR_IRQ_ENABLE = fb_irq_mask[irq];
-}
-
-static void vnc_mask_pic_lo_irq(unsigned int irq)
-{
-	unsigned int mask = 1 << (irq & 7);
-
-	outb(inb(PIC_MASK_LO) | mask, PIC_MASK_LO);
-}
-
-static void vnc_mask_ack_pic_lo_irq(unsigned int irq)
-{
-	unsigned int mask = 1 << (irq & 7);
-
-	outb(inb(PIC_MASK_LO) | mask, PIC_MASK_LO);
-	outb(0x20, PIC_LO);
-}
-
-static void vnc_unmask_pic_lo_irq(unsigned int irq)
-{
-	unsigned int mask = ~(1 << (irq & 7));
-
-	outb(inb(PIC_MASK_LO) & mask, PIC_MASK_LO);
-}
-
-static void vnc_mask_pic_hi_irq(unsigned int irq)
-{
-	unsigned int mask = 1 << (irq & 7);
-
-	outb(inb(PIC_MASK_HI) | mask, PIC_MASK_HI);
-}
-
-static void vnc_mask_ack_pic_hi_irq(unsigned int irq)
-{
-	unsigned int mask = 1 << (irq & 7);
-
-	outb(inb(PIC_MASK_HI) | mask, PIC_MASK_HI);
-	outb(0x62, PIC_LO);
-	outb(0x20, PIC_HI);
-}
-
-static void vnc_unmask_pic_hi_irq(unsigned int irq)
-{
-	unsigned int mask = 1 << (irq & 7);
-
-	outb(inb(PIC_MASK_HI) & ~mask, PIC_MASK_HI);
-}
-
-static void no_action(int irq, void *dev_id, struct pt_regs *regs)
-{
-}
-
-static struct irqaction irq_cascade = { no_action, 0, 0, "cascade", NULL, NULL };
-
-static __inline__ void irq_init_irq(void)
-{
-	unsigned int irq;
-
-	outb(0x11, PIC_LO);
-	outb(0x10, PIC_MASK_LO);
-	outb(0x04, PIC_MASK_LO);
-	outb(1, PIC_MASK_LO);
-
-	outb(0x11, PIC_HI);
-	outb(0x18, PIC_MASK_HI);
-	outb(0x02, PIC_MASK_HI);
-	outb(1, PIC_MASK_HI);
-
-	*CSR_IRQ_DISABLE = ~IRQ_MASK_EXTERN_IRQ;
-	*CSR_IRQ_ENABLE  = IRQ_MASK_EXTERN_IRQ;
-	*CSR_FIQ_DISABLE = -1;
-
-	for (irq = 0; irq < NR_IRQS; irq++) {
-		irq_desc[irq].valid	= 1;
-		irq_desc[irq].probe_ok	= 1;
-
-		if (irq < 16) {
-			irq_desc[irq].mask_ack	= vnc_mask_csr_irq;
-			irq_desc[irq].mask	= vnc_mask_csr_irq;
-			irq_desc[irq].unmask	= vnc_unmask_csr_irq;
-		} else if (irq < 24) {
-irq_desc[irq].probe_ok = 0;
-			irq_desc[irq].mask_ack	= vnc_mask_ack_pic_lo_irq;
-			irq_desc[irq].mask	= vnc_mask_pic_lo_irq;
-			irq_desc[irq].unmask	= vnc_unmask_pic_lo_irq;
-		} else {
-irq_desc[irq].probe_ok = 0;
-			irq_desc[irq].mask_ack	= vnc_mask_ack_pic_hi_irq;
-			irq_desc[irq].mask	= vnc_mask_pic_hi_irq;
-			irq_desc[irq].unmask	= vnc_unmask_pic_hi_irq;
-		}
-	}
-
-	irq_desc[0].probe_ok = 0;
-	irq_desc[IRQ_SOFTIRQ].probe_ok = 0;
-	irq_desc[IRQ_CONRX].probe_ok = 0;
-	irq_desc[IRQ_CONTX].probe_ok = 0;
-	irq_desc[IRQ_TIMER0].probe_ok = 0;
-	irq_desc[IRQ_TIMER1].probe_ok = 0;
-	irq_desc[IRQ_TIMER2].probe_ok = 0;
-	irq_desc[IRQ_WATCHDOG].probe_ok = 0;
-	irq_desc[IRQ_DMA1].probe_ok = 0;
-	irq_desc[13].probe_ok = 0;
-	irq_desc[14].probe_ok = 0;
-	irq_desc[IRQ_PCI_ERR].probe_ok = 0;
-	irq_desc[IRQ_PIC_HI].probe_ok = 0;
-	irq_desc[29].probe_ok = 0;
-	irq_desc[31].probe_ok = 0;
-
-	outb(0xff, PIC_MASK_LO);
-	outb(0xff, PIC_MASK_HI);
-
-	setup_arm_irq(IRQ_PIC_HI, &irq_cascade);
-}