| 1 | /* |
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| 2 | * linux/include/asm-mips/tx3927/irq.h |
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| 3 | * |
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| 4 | * This file is subject to the terms and conditions of the GNU General Public |
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| 5 | * License. See the file "COPYING" in the main directory of this archive |
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| 6 | * for more details. |
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| 7 | * |
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| 8 | * Copyright (C) 2001 Toshiba Corporation |
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| 9 | */ |
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| 10 | #ifndef __ASM_TX3927_IRQ_H |
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| 11 | #define __ASM_TX3927_IRQ_H |
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| 12 | |
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| 13 | #ifndef __ASSEMBLY__ |
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| 14 | |
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| 15 | #include <asm/irq.h> |
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| 16 | |
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| 17 | struct tb_irq_space { |
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| 18 | struct tb_irq_space* next; |
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| 19 | int start_irqno; |
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| 20 | int nr_irqs; |
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| 21 | void (*mask_func)(int irq_nr, int space_id); |
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| 22 | void (*unmask_func)(int irq_no, int space_id); |
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| 23 | const char *name; |
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| 24 | int space_id; |
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| 25 | int can_share; |
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| 26 | }; |
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| 27 | extern struct tb_irq_space* tb_irq_spaces; |
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| 28 | |
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| 29 | static __inline__ void add_tb_irq_space(struct tb_irq_space* sp) |
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| 30 | { |
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| 31 | sp->next = tb_irq_spaces; |
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| 32 | tb_irq_spaces = sp; |
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| 33 | } |
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| 34 | |
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| 35 | |
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| 36 | struct pt_regs; |
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| 37 | extern void |
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| 38 | toshibaboards_spurious(struct pt_regs *regs, int irq); |
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| 39 | extern void |
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| 40 | toshibaboards_irqdispatch(struct pt_regs *regs, int irq); |
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| 41 | |
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| 42 | extern struct irqaction * |
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| 43 | toshibaboards_get_irq_action(int irq); |
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| 44 | extern int |
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| 45 | toshibaboards_setup_irq(int irq, struct irqaction * new); |
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| 46 | |
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| 47 | |
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| 48 | #ifdef CONFIG_TX_BRANCH_LIKELY_BUG_WORKAROUND |
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| 49 | extern void tx_branch_likely_bug_fixup(struct pt_regs *regs); |
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| 50 | #endif |
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| 51 | |
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| 52 | extern int (*toshibaboards_gen_iack)(void); |
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| 53 | |
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| 54 | #endif /* !__ASSEMBLY__ */ |
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| 55 | |
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| 56 | #define NR_ISA_IRQS 16 |
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| 57 | #define TB_IRQ_IS_ISA(irq) \ |
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| 58 | (0 <= (irq) && (irq) < NR_ISA_IRQS) |
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| 59 | #define TB_IRQ_TO_ISA_IRQ(irq) (irq) |
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| 60 | |
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| 61 | #endif /* __ASM_TX3927_IRQ_H */ |
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