projects / mirror_ubuntu-bionic-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 1da177e4 LT |
2 | #ifndef _ALPHA_IRQ_H |
| 3 | #define _ALPHA_IRQ_H | |
| 4 | ||
| 5 | /* | |
| 6 | * linux/include/alpha/irq.h | |
| 7 | * | |
| 8 | * (C) 1994 Linus Torvalds | |
| 9 | */ | |
| 10 | ||
| 11 | #include <linux/linkage.h> | |
| 1da177e4 LT |
12 | |
| 13 | #if defined(CONFIG_ALPHA_GENERIC) | |
| 14 | ||
| 15 | /* Here NR_IRQS is not exact, but rather an upper bound. This is used | |
| 16 | many places throughout the kernel to size static arrays. That's ok, | |
| 17 | we'll use alpha_mv.nr_irqs when we want the real thing. */ | |
| 18 | ||
| 19 | /* When LEGACY_START_ADDRESS is selected, we leave out: | |
| 20 | TITAN | |
| 21 | WILDFIRE | |
| 22 | MARVEL | |
| 23 | ||
| 24 | This helps keep the kernel object size reasonable for the majority | |
| 25 | of machines. | |
| 26 | */ | |
| 27 | ||
| 28 | # if defined(CONFIG_ALPHA_LEGACY_START_ADDRESS) | |
| 29 | # define NR_IRQS (128) /* max is RAWHIDE/TAKARA */ | |
| 30 | # else | |
| 31 | # define NR_IRQS (32768 + 16) /* marvel - 32 pids */ | |
| 32 | # endif | |
| 33 | ||
| 34 | #elif defined(CONFIG_ALPHA_CABRIOLET) || \ | |
| 35 | defined(CONFIG_ALPHA_EB66P) || \ | |
| 36 | defined(CONFIG_ALPHA_EB164) || \ | |
| 37 | defined(CONFIG_ALPHA_PC164) || \ | |
| 38 | defined(CONFIG_ALPHA_LX164) | |
| 39 | # define NR_IRQS 35 | |
| 40 | ||
| 41 | #elif defined(CONFIG_ALPHA_EB66) || \ | |
| 42 | defined(CONFIG_ALPHA_EB64P) || \ | |
| 43 | defined(CONFIG_ALPHA_MIKASA) | |
| 44 | # define NR_IRQS 32 | |
| 45 | ||
| 46 | #elif defined(CONFIG_ALPHA_ALCOR) || \ | |
| 47 | defined(CONFIG_ALPHA_MIATA) || \ | |
| 48 | defined(CONFIG_ALPHA_RUFFIAN) || \ | |
| 49 | defined(CONFIG_ALPHA_RX164) || \ | |
| 50 | defined(CONFIG_ALPHA_NORITAKE) | |
| 51 | # define NR_IRQS 48 | |
| 52 | ||
| 53 | #elif defined(CONFIG_ALPHA_SABLE) || \ | |
| 54 | defined(CONFIG_ALPHA_SX164) | |
| 55 | # define NR_IRQS 40 | |
| 56 | ||
| 57 | #elif defined(CONFIG_ALPHA_DP264) || \ | |
| 58 | defined(CONFIG_ALPHA_LYNX) || \ | |
| 59 | defined(CONFIG_ALPHA_SHARK) || \ | |
| 60 | defined(CONFIG_ALPHA_EIGER) | |
| 61 | # define NR_IRQS 64 | |
| 62 | ||
| 63 | #elif defined(CONFIG_ALPHA_TITAN) | |
| 64 | #define NR_IRQS 80 | |
| 65 | ||
| 66 | #elif defined(CONFIG_ALPHA_RAWHIDE) || \ | |
| 67 | defined(CONFIG_ALPHA_TAKARA) | |
| 68 | # define NR_IRQS 128 | |
| 69 | ||
| 70 | #elif defined(CONFIG_ALPHA_WILDFIRE) | |
| 71 | # define NR_IRQS 2048 /* enuff for 8 QBBs */ | |
| 72 | ||
| 73 | #elif defined(CONFIG_ALPHA_MARVEL) | |
| 74 | # define NR_IRQS (32768 + 16) /* marvel - 32 pids*/ | |
| 75 | ||
| 76 | #else /* everyone else */ | |
| 77 | # define NR_IRQS 16 | |
| 78 | #endif | |
| 79 | ||
| 80 | static __inline__ int irq_canonicalize(int irq) | |
| 81 | { | |
| 82 | /* | |
| 83 | * XXX is this true for all Alpha's? The old serial driver | |
| 84 | * did it this way for years without any complaints, so.... | |
| 85 | */ | |
| 86 | return ((irq == 2) ? 9 : irq); | |
| 87 | } | |
| 88 | ||
| 1da177e4 LT |
89 | struct pt_regs; |
| 90 | extern void (*perf_irq)(unsigned long, struct pt_regs *); | |
| 91 | ||
| 1da177e4 | 92 | #endif /* _ALPHA_IRQ_H */ |