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[/] [or1k_old/] [trunk/] [rc203soc/] [sw/] [uClinux/] [include/] [asm-armnommu/] [arch-a5k/] [irq.h] - Blame information for rev 1765

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/*
 * include/asm-arm/arch-a5k/irq.h
 *
 * Copyright (C) 1996 Russell King
 *
 * Changelog:
 *   24-09-1996 RMK     Created
 *   10-10-1996 RMK     Brought up to date with arch-sa110eval
 *   22-10-1996 RMK     Changed interrupt numbers & uses new inb/outb macros
 */
 
#define BUILD_IRQ(s,n,m) \
        void IRQ##n##_interrupt(void); \
        void fast_IRQ##n##_interrupt(void); \
        void bad_IRQ##n##_interrupt(void); \
        void probe_IRQ##n##_interrupt(void);
 
/*
 * The timer is a special interrupt
 */
#define IRQ5_interrupt          timer_IRQ_interrupt
 
#define IRQ_INTERRUPT(n)        IRQ##n##_interrupt
#define FAST_INTERRUPT(n)       fast_IRQ##n##_interrupt
#define BAD_INTERRUPT(n)        bad_IRQ##n##_interrupt
#define PROBE_INTERRUPT(n)      probe_IRQ##n##_interrupt
 
static __inline__ void mask_irq(unsigned int irq)
{
        extern void ecard_disableirq (unsigned int);
        extern void ecard_disablefiq (unsigned int);
        unsigned char mask = 1 << (irq & 7);
 
        switch (irq >> 3) {
        case 0:
                outb(inb(IOC_IRQMASKA) & ~mask, IOC_IRQMASKA);
                break;
        case 1:
                outb(inb(IOC_IRQMASKB) & ~mask, IOC_IRQMASKB);
                break;
        case 4:
                ecard_disableirq (irq & 7);
                break;
        case 8:
                outb(inb(IOC_FIQMASK) & ~mask, IOC_FIQMASK);
                break;
        case 12:
                ecard_disablefiq (irq & 7);
        }
}
 
static __inline__ void unmask_irq(unsigned int irq)
{
        extern void ecard_enableirq (unsigned int);
        extern void ecard_enablefiq (unsigned int);
        unsigned char mask = 1 << (irq & 7);
 
        switch (irq >> 3) {
        case 0:
                outb(inb(IOC_IRQMASKA) | mask, IOC_IRQMASKA);
                break;
        case 1:
                outb(inb(IOC_IRQMASKB) | mask, IOC_IRQMASKB);
                break;
        case 4:
                ecard_enableirq (irq & 7);
                break;
        case 8:
                outb(inb(IOC_FIQMASK) | mask, IOC_FIQMASK);
                break;
        case 12:
                ecard_enablefiq (irq & 7);
        }
}
 
static __inline__ unsigned long get_enabled_irqs(void)
{
        return inb(IOC_IRQMASKA) | inb(IOC_IRQMASKB) << 8;
}
 
static __inline__ void irq_init_irq(void)
{
        outb(0, IOC_IRQMASKA);
        outb(0, IOC_IRQMASKB);
        outb(0, IOC_FIQMASK);
}

Line No.	Rev	Author	Line
1	1633	jcastillo	`/*`
2			`* include/asm-arm/arch-a5k/irq.h`
3			`*`
4			`* Copyright (C) 1996 Russell King`
5			`*`
6			`* Changelog:`
7			`* 24-09-1996 RMK Created`
8			`* 10-10-1996 RMK Brought up to date with arch-sa110eval`
9			`* 22-10-1996 RMK Changed interrupt numbers & uses new inb/outb macros`
10			`*/`
11
12			`#define BUILD_IRQ(s,n,m) \`
13			`void IRQ##n##_interrupt(void); \`
14			`void fast_IRQ##n##_interrupt(void); \`
15			`void bad_IRQ##n##_interrupt(void); \`
16			`void probe_IRQ##n##_interrupt(void);`
17
18			`/*`
19			`* The timer is a special interrupt`
20			`*/`
21			`#define IRQ5_interrupt timer_IRQ_interrupt`
22
23			`#define IRQ_INTERRUPT(n) IRQ##n##_interrupt`
24			`#define FAST_INTERRUPT(n) fast_IRQ##n##_interrupt`
25			`#define BAD_INTERRUPT(n) bad_IRQ##n##_interrupt`
26			`#define PROBE_INTERRUPT(n) probe_IRQ##n##_interrupt`
27
28			`static __inline__ void mask_irq(unsigned int irq)`
29			`{`
30			`extern void ecard_disableirq (unsigned int);`
31			`extern void ecard_disablefiq (unsigned int);`
32			`unsigned char mask = 1 << (irq & 7);`
33
34			`switch (irq >> 3) {`
35			`case 0:`
36			`outb(inb(IOC_IRQMASKA) & ~mask, IOC_IRQMASKA);`
37			`break;`
38			`case 1:`
39			`outb(inb(IOC_IRQMASKB) & ~mask, IOC_IRQMASKB);`
40			`break;`
41			`case 4:`
42			`ecard_disableirq (irq & 7);`
43			`break;`
44			`case 8:`
45			`outb(inb(IOC_FIQMASK) & ~mask, IOC_FIQMASK);`
46			`break;`
47			`case 12:`
48			`ecard_disablefiq (irq & 7);`
49			`}`
50			`}`
51
52			`static __inline__ void unmask_irq(unsigned int irq)`
53			`{`
54			`extern void ecard_enableirq (unsigned int);`
55			`extern void ecard_enablefiq (unsigned int);`
56			`unsigned char mask = 1 << (irq & 7);`
57
58			`switch (irq >> 3) {`
59			`case 0:`
60			`outb(inb(IOC_IRQMASKA) \| mask, IOC_IRQMASKA);`
61			`break;`
62			`case 1:`
63			`outb(inb(IOC_IRQMASKB) \| mask, IOC_IRQMASKB);`
64			`break;`
65			`case 4:`
66			`ecard_enableirq (irq & 7);`
67			`break;`
68			`case 8:`
69			`outb(inb(IOC_FIQMASK) \| mask, IOC_FIQMASK);`
70			`break;`
71			`case 12:`
72			`ecard_enablefiq (irq & 7);`
73			`}`
74			`}`
75
76			`static __inline__ unsigned long get_enabled_irqs(void)`
77			`{`
78			`return inb(IOC_IRQMASKA) \| inb(IOC_IRQMASKB) << 8;`
79			`}`
80
81			`static __inline__ void irq_init_irq(void)`
82			`{`
83			`outb(0, IOC_IRQMASKA);`
84			`outb(0, IOC_IRQMASKB);`
85			`outb(0, IOC_FIQMASK);`
86			`}`

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[/] [or1k_old/] [trunk/] [rc203soc/] [sw/] [uClinux/] [include/] [asm-armnommu/] [arch-a5k/] [irq.h] - Blame information for rev 1765