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[/] [or1k_old/] [trunk/] [rc203soc/] [sw/] [uClinux/] [include/] [asm-armnommu/] [arch-rpc/] [irq.h] - Blame information for rev 1782

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/*
 * include/asm-arm/arch-rpc/irq.h
 *
 * Copyright (C) 1996 Russell King
 *
 * Changelog:
 *   10-10-1996 RMK     Brought up to date with arch-sa110eval
 */
 
#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(IOMD_IRQMASKA) & ~mask, IOMD_IRQMASKA);
                break;
        case 1:
                outb(inb(IOMD_IRQMASKB) & ~mask, IOMD_IRQMASKB);
                break;
        case 2:
                outb(inb(IOMD_DMAMASK) & ~mask, IOMD_DMAMASK);
                break;
        case 4:
                ecard_disableirq (irq & 7);
                break;
        case 8:
                outb(inb(IOMD_FIQMASK) & ~mask, IOMD_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(IOMD_IRQMASKA) | mask, IOMD_IRQMASKA);
                break;
        case 1:
                outb(inb(IOMD_IRQMASKB) | mask, IOMD_IRQMASKB);
                break;
        case 2:
                outb(inb(IOMD_DMAMASK) | mask, IOMD_DMAMASK);
                break;
        case 4:
                ecard_enableirq (irq & 7);
                break;
        case 8:
                outb(inb(IOMD_FIQMASK) | mask, IOMD_FIQMASK);
                break;
        case 12:
                ecard_enablefiq (irq & 7);
        }
}
 
static __inline__ unsigned long get_enabled_irqs(void)
{
        return inb(IOMD_IRQMASKA) | inb(IOMD_IRQMASKB) << 8 | inb(IOMD_DMAMASK) << 16;
}
 
static __inline__ void irq_init_irq(void)
{
        outb(0, IOMD_IRQMASKA);
        outb(0, IOMD_IRQMASKB);
        outb(0, IOMD_FIQMASK);
        outb(0, IOMD_DMAMASK);
        outb(0, IOMD_IO0CR);
        outb(0, IOMD_IO1CR);
        outb(0, IOMD_IO2CR);
        outb(0, IOMD_IO3CR);
}

Line No.	Rev	Author	Line
1	1633	jcastillo	`/*`
2			`* include/asm-arm/arch-rpc/irq.h`
3			`*`
4			`* Copyright (C) 1996 Russell King`
5			`*`
6			`* Changelog:`
7			`* 10-10-1996 RMK Brought up to date with arch-sa110eval`
8			`*/`
9
10			`#define BUILD_IRQ(s,n,m) \`
11			`void IRQ##n##_interrupt(void); \`
12			`void fast_IRQ##n##_interrupt(void); \`
13			`void bad_IRQ##n##_interrupt(void); \`
14			`void probe_IRQ##n##_interrupt(void);`
15
16			`/*`
17			`* The timer is a special interrupt`
18			`*/`
19			`#define IRQ5_interrupt timer_IRQ_interrupt`
20
21			`#define IRQ_INTERRUPT(n) IRQ##n##_interrupt`
22			`#define FAST_INTERRUPT(n) fast_IRQ##n##_interrupt`
23			`#define BAD_INTERRUPT(n) bad_IRQ##n##_interrupt`
24			`#define PROBE_INTERRUPT(n) probe_IRQ##n##_interrupt`
25
26			`static __inline__ void mask_irq(unsigned int irq)`
27			`{`
28			`extern void ecard_disableirq (unsigned int);`
29			`extern void ecard_disablefiq (unsigned int);`
30			`unsigned char mask = 1 << (irq & 7);`
31
32			`switch (irq >> 3) {`
33			`case 0:`
34			`outb(inb(IOMD_IRQMASKA) & ~mask, IOMD_IRQMASKA);`
35			`break;`
36			`case 1:`
37			`outb(inb(IOMD_IRQMASKB) & ~mask, IOMD_IRQMASKB);`
38			`break;`
39			`case 2:`
40			`outb(inb(IOMD_DMAMASK) & ~mask, IOMD_DMAMASK);`
41			`break;`
42			`case 4:`
43			`ecard_disableirq (irq & 7);`
44			`break;`
45			`case 8:`
46			`outb(inb(IOMD_FIQMASK) & ~mask, IOMD_FIQMASK);`
47			`break;`
48			`case 12:`
49			`ecard_disablefiq (irq & 7);`
50			`}`
51			`}`
52
53			`static __inline__ void unmask_irq(unsigned int irq)`
54			`{`
55			`extern void ecard_enableirq (unsigned int);`
56			`extern void ecard_enablefiq (unsigned int);`
57			`unsigned char mask = 1 << (irq & 7);`
58
59			`switch (irq >> 3) {`
60			`case 0:`
61			`outb(inb(IOMD_IRQMASKA) \| mask, IOMD_IRQMASKA);`
62			`break;`
63			`case 1:`
64			`outb(inb(IOMD_IRQMASKB) \| mask, IOMD_IRQMASKB);`
65			`break;`
66			`case 2:`
67			`outb(inb(IOMD_DMAMASK) \| mask, IOMD_DMAMASK);`
68			`break;`
69			`case 4:`
70			`ecard_enableirq (irq & 7);`
71			`break;`
72			`case 8:`
73			`outb(inb(IOMD_FIQMASK) \| mask, IOMD_FIQMASK);`
74			`break;`
75			`case 12:`
76			`ecard_enablefiq (irq & 7);`
77			`}`
78			`}`
79
80			`static __inline__ unsigned long get_enabled_irqs(void)`
81			`{`
82			`return inb(IOMD_IRQMASKA) \| inb(IOMD_IRQMASKB) << 8 \| inb(IOMD_DMAMASK) << 16;`
83			`}`
84
85			`static __inline__ void irq_init_irq(void)`
86			`{`
87			`outb(0, IOMD_IRQMASKA);`
88			`outb(0, IOMD_IRQMASKB);`
89			`outb(0, IOMD_FIQMASK);`
90			`outb(0, IOMD_DMAMASK);`
91			`outb(0, IOMD_IO0CR);`
92			`outb(0, IOMD_IO1CR);`
93			`outb(0, IOMD_IO2CR);`
94			`outb(0, IOMD_IO3CR);`
95			`}`

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[/] [or1k_old/] [trunk/] [rc203soc/] [sw/] [uClinux/] [include/] [asm-armnommu/] [arch-rpc/] [irq.h] - Blame information for rev 1782