include/asm-mips/jmr3927/irq.h

   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 #ifndef __ASSEMBLY__
  14
  15 #include <asm/irq.h>
  16
  17 struct tb_irq_space {
  18         struct tb_irq_space* next;
  19         int start_irqno;
  20         int nr_irqs;
  21         void (*mask_func)(int irq_nr, int space_id);
  22         void (*unmask_func)(int irq_no, int space_id);
  23         const char *name;
  24         int space_id;
  25         int can_share;
  26 };
  27 extern struct tb_irq_space* tb_irq_spaces;
  28
  29 static __inline__ void add_tb_irq_space(struct tb_irq_space* sp)
  30 {
  31         sp->next = tb_irq_spaces;
  32         tb_irq_spaces = sp;
  33 }
  34
  35
  36 struct pt_regs;
  37 extern void
  38 toshibaboards_spurious(struct pt_regs *regs, int irq);
  39 extern void
  40 toshibaboards_irqdispatch(struct pt_regs *regs, int irq);
  41
  42 extern struct irqaction *
  43 toshibaboards_get_irq_action(int irq);
  44 extern int
  45 toshibaboards_setup_irq(int irq, struct irqaction * new);
  46
  47
  48 #ifdef CONFIG_TX_BRANCH_LIKELY_BUG_WORKAROUND
  49 extern void tx_branch_likely_bug_fixup(struct pt_regs *regs);
  50 #endif
  51
  52 extern int (*toshibaboards_gen_iack)(void);
  53
  54 #endif /* !__ASSEMBLY__ */
  55
  56 #define NR_ISA_IRQS 16
  57 #define TB_IRQ_IS_ISA(irq)      \
  58         (0 <= (irq) && (irq) < NR_ISA_IRQS)
  59 #define TB_IRQ_TO_ISA_IRQ(irq)  (irq)
  60
  61 #endif /* __ASM_TX3927_IRQ_H */