blob: b0c325a2234357fe06bbf95cece6191783d55001 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * linux/include/asm-mips/tx3927/irq.h
3 *
4 * This file is subject to the terms and conditions of the GNU General Public
5 * License. See the file "COPYING" in the main directory of this archive
6 * for more details.
7 *
8 * Copyright (C) 2001 Toshiba Corporation
9 */
10#ifndef __ASM_TX3927_IRQ_H
11#define __ASM_TX3927_IRQ_H
12
13#ifndef __ASSEMBLY__
14
15#include <linux/config.h>
16#include <asm/irq.h>
17
18struct tb_irq_space {
19 struct tb_irq_space* next;
20 int start_irqno;
21 int nr_irqs;
22 void (*mask_func)(int irq_nr, int space_id);
23 void (*unmask_func)(int irq_no, int space_id);
24 const char *name;
25 int space_id;
26 int can_share;
27};
28extern struct tb_irq_space* tb_irq_spaces;
29
30static __inline__ void add_tb_irq_space(struct tb_irq_space* sp)
31{
32 sp->next = tb_irq_spaces;
33 tb_irq_spaces = sp;
34}
35
36
37struct pt_regs;
38extern void
39toshibaboards_spurious(struct pt_regs *regs, int irq);
40extern void
41toshibaboards_irqdispatch(struct pt_regs *regs, int irq);
42
43extern struct irqaction *
44toshibaboards_get_irq_action(int irq);
45extern int
46toshibaboards_setup_irq(int irq, struct irqaction * new);
47
48
49#ifdef CONFIG_TX_BRANCH_LIKELY_BUG_WORKAROUND
50extern void tx_branch_likely_bug_fixup(struct pt_regs *regs);
51#endif
52
53extern int (*toshibaboards_gen_iack)(void);
54
55#endif /* !__ASSEMBLY__ */
56
57#define NR_ISA_IRQS 16
58#define TB_IRQ_IS_ISA(irq) \
59 (0 <= (irq) && (irq) < NR_ISA_IRQS)
60#define TB_IRQ_TO_ISA_IRQ(irq) (irq)
61
62#endif /* __ASM_TX3927_IRQ_H */