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parisc
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asm
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irq.h

irq.h 1.2 KB
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  1. /*
    2. 

  2.  * include/asm-parisc/irq.h
    3. 

  3.  *
    4. 

  4.  * Copyright 2005 Matthew Wilcox <matthew@wil.cx>
    5. 

  5.  */
    6. 

  6. 

  7. #ifndef _ASM_PARISC_IRQ_H
    8. 

  8. #define _ASM_PARISC_IRQ_H
    9. 

  9. 

  10. #include <linux/cpumask.h>
    11. 

  11. #include <asm/types.h>
    12. 

  12. 

  13. #define NO_IRQ		(-1)
    14. 

  14. 

  15. #ifdef CONFIG_GSC
    16. 

  16. #define GSC_IRQ_BASE	16
    17. 

  17. #define GSC_IRQ_MAX	63
    18. 

  18. #define CPU_IRQ_BASE	64
    19. 

  19. #else
    20. 

  20. #define CPU_IRQ_BASE	16
    21. 

  21. #endif
    22. 

  22. 

  23. #define TIMER_IRQ	(CPU_IRQ_BASE + 0)
    24. 

  24. #define	IPI_IRQ		(CPU_IRQ_BASE + 1)
    25. 

  25. #define CPU_IRQ_MAX	(CPU_IRQ_BASE + (BITS_PER_LONG - 1))
    26. 

  26. 

  27. #define NR_IRQS		(CPU_IRQ_MAX + 1)
    28. 

  28. 

  29. static __inline__ int irq_canonicalize(int irq)
    30. 

  30. {
    31. 

  31. 	return (irq == 2) ? 9 : irq;
    32. 

  32. }
    33. 

  33. 

  34. struct irq_chip;
    35. 

  35. struct irq_data;
    36. 

  36. 

  37. void cpu_ack_irq(struct irq_data *d);
    38. 

  38. void cpu_eoi_irq(struct irq_data *d);
    39. 

  39. 

  40. extern int txn_alloc_irq(unsigned int nbits);
    41. 

  41. extern int txn_claim_irq(int);
    42. 

  42. extern unsigned int txn_alloc_data(unsigned int);
    43. 

  43. extern unsigned long txn_alloc_addr(unsigned int);
    44. 

  44. extern unsigned long txn_affinity_addr(unsigned int irq, int cpu);
    45. 

  45. 

  46. extern int cpu_claim_irq(unsigned int irq, struct irq_chip *, void *);
    47. 

  47. extern int cpu_check_affinity(struct irq_data *d, const struct cpumask *dest);
    48. 

  48. 

  49. /* soft power switch support (power.c) */
    50. 

  50. extern struct tasklet_struct power_tasklet;
    51. 

  51. 

  52. #endif	/* _ASM_PARISC_IRQ_H */
    53.