Full support for Ginger Console
[linux-ginger.git] / arch / sh / include / asm / irq.h
blobdf8e1500527cedfe88267f6c9a590994acc0e9ad
1 #ifndef __ASM_SH_IRQ_H
2 #define __ASM_SH_IRQ_H
4 #include <asm/machvec.h>
6 /*
7 * A sane default based on a reasonable vector table size, platforms are
8 * advised to cap this at the hard limit that they're interested in
9 * through the machvec.
11 #define NR_IRQS 256
12 #define NR_IRQS_LEGACY 8 /* Legacy external IRQ0-7 */
15 * Convert back and forth between INTEVT and IRQ values.
17 #ifdef CONFIG_CPU_HAS_INTEVT
18 #define evt2irq(evt) (((evt) >> 5) - 16)
19 #define irq2evt(irq) (((irq) + 16) << 5)
20 #else
21 #define evt2irq(evt) (evt)
22 #define irq2evt(irq) (irq)
23 #endif
26 * Simple Mask Register Support
28 extern void make_maskreg_irq(unsigned int irq);
29 extern unsigned short *irq_mask_register;
32 * PINT IRQs
34 void init_IRQ_pint(void);
35 void make_imask_irq(unsigned int irq);
37 static inline int generic_irq_demux(int irq)
39 return irq;
42 #define irq_demux(irq) sh_mv.mv_irq_demux(irq)
44 void init_IRQ(void);
45 asmlinkage int do_IRQ(unsigned int irq, struct pt_regs *regs);
47 #ifdef CONFIG_IRQSTACKS
48 extern void irq_ctx_init(int cpu);
49 extern void irq_ctx_exit(int cpu);
50 # define __ARCH_HAS_DO_SOFTIRQ
51 #else
52 # define irq_ctx_init(cpu) do { } while (0)
53 # define irq_ctx_exit(cpu) do { } while (0)
54 #endif
56 #include <asm-generic/irq.h>
57 #ifdef CONFIG_CPU_SH5
58 #include <cpu/irq.h>
59 #endif
61 #endif /* __ASM_SH_IRQ_H */