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 <linux/config.h>
  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
  30 static __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 */