1 /* 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 #include <linux/config.h> 14 15 #ifndef __ASSEMBLY__ 16 #include <asm/irq.h> 17 18 struct 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 }; 28 extern struct tb_irq_space* tb_irq_spaces; 29 add_tb_irq_space(struct tb_irq_space * sp)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 37 struct pt_regs; 38 extern void 39 toshibaboards_spurious(struct pt_regs *regs, int irq); 40 extern void 41 toshibaboards_irqdispatch(struct pt_regs *regs, int irq); 42 43 extern struct irqaction * 44 toshibaboards_get_irq_action(int irq); 45 extern int 46 toshibaboards_setup_irq(int irq, struct irqaction * new); 47 48 49 #ifdef CONFIG_TX_BRANCH_LIKELY_BUG_WORKAROUND 50 extern void tx_branch_likely_bug_fixup(struct pt_regs *regs); 51 #endif 52 53 extern 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 */ 63