Release 4.14 arch/alpha/include/asm/irq.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ALPHA_IRQ_H

#define _ALPHA_IRQ_H

/*
 *      linux/include/alpha/irq.h
 *
 *      (C) 1994 Linus Torvalds
 */

#include <linux/linkage.h>

#if   defined(CONFIG_ALPHA_GENERIC)

/* Here NR_IRQS is not exact, but rather an upper bound.  This is used
   many places throughout the kernel to size static arrays.  That's ok,
   we'll use alpha_mv.nr_irqs when we want the real thing.  */

/* When LEGACY_START_ADDRESS is selected, we leave out:
     TITAN
     WILDFIRE
     MARVEL

   This helps keep the kernel object size reasonable for the majority
   of machines.
*/

# if defined(CONFIG_ALPHA_LEGACY_START_ADDRESS)

#  define NR_IRQS      (128)           
/* max is RAWHIDE/TAKARA */
# else

#  define NR_IRQS      (32768 + 16)    
/* marvel - 32 pids */
# endif

#elif defined(CONFIG_ALPHA_CABRIOLET) || \
      defined(CONFIG_ALPHA_EB66P)     || \
      defined(CONFIG_ALPHA_EB164)     || \
      defined(CONFIG_ALPHA_PC164)     || \
      defined(CONFIG_ALPHA_LX164)

# define NR_IRQS	35

#elif defined(CONFIG_ALPHA_EB66)      || \
      defined(CONFIG_ALPHA_EB64P)     || \
      defined(CONFIG_ALPHA_MIKASA)

# define NR_IRQS	32

#elif defined(CONFIG_ALPHA_ALCOR)     || \
      defined(CONFIG_ALPHA_MIATA)     || \
      defined(CONFIG_ALPHA_RUFFIAN)   || \
      defined(CONFIG_ALPHA_RX164)     || \
      defined(CONFIG_ALPHA_NORITAKE)

# define NR_IRQS	48

#elif defined(CONFIG_ALPHA_SABLE)     || \
      defined(CONFIG_ALPHA_SX164)

# define NR_IRQS	40

#elif defined(CONFIG_ALPHA_DP264) || \
      defined(CONFIG_ALPHA_LYNX)  || \
      defined(CONFIG_ALPHA_SHARK) || \
      defined(CONFIG_ALPHA_EIGER)

# define NR_IRQS	64

#elif defined(CONFIG_ALPHA_TITAN)

#define NR_IRQS		80

#elif defined(CONFIG_ALPHA_RAWHIDE) || \
	defined(CONFIG_ALPHA_TAKARA)

# define NR_IRQS	128

#elif defined(CONFIG_ALPHA_WILDFIRE)

# define NR_IRQS	2048 
/* enuff for 8 QBBs */

#elif defined(CONFIG_ALPHA_MARVEL)

# define NR_IRQS	(32768 + 16) 	
/* marvel - 32 pids*/

#else /* everyone else */

# define NR_IRQS	16
#endif



static __inline__ int irq_canonicalize(int irq)
{
	/*
         * XXX is this true for all Alpha's?  The old serial driver
         * did it this way for years without any complaints, so....
         */
	return ((irq == 2) ? 9 : irq);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Linus Torvalds (pre-git)
23
95.83%
1
50.00%
Steven Cole
1
4.17%
1
50.00%
Total
24
100.00%
2
100.00%

struct pt_regs;
extern void (*perf_irq)(unsigned long, struct pt_regs *);

#endif /* _ALPHA_IRQ_H */
Overall Contributors
Person
Tokens
Prop
Commits
CommitProp
Linus Torvalds (pre-git)
232
84.36%
16
69.57%
Richard Henderson
28
10.18%
2
8.70%
Linus Torvalds
6
2.18%
1
4.35%
Ivan Kokshaysky
6
2.18%
1
4.35%
Greg Kroah-Hartman
1
0.36%
1
4.35%
Jeff Wiedemeier
1
0.36%
1
4.35%
Steven Cole
1
0.36%
1
4.35%
Total
275
100.00%
23
100.00%
Directory: arch/alpha/include/asm

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