diff options
Diffstat (limited to 'include/asm-m68k/irq.h')
| -rw-r--r-- | include/asm-m68k/irq.h | 125 |
1 files changed, 0 insertions, 125 deletions
diff --git a/include/asm-m68k/irq.h b/include/asm-m68k/irq.h deleted file mode 100644 index 226bfc0f21b1..000000000000 --- a/include/asm-m68k/irq.h +++ /dev/null | |||
| @@ -1,125 +0,0 @@ | |||
| 1 | #ifndef _M68K_IRQ_H_ | ||
| 2 | #define _M68K_IRQ_H_ | ||
| 3 | |||
| 4 | #include <linux/linkage.h> | ||
| 5 | #include <linux/hardirq.h> | ||
| 6 | #include <linux/spinlock_types.h> | ||
| 7 | |||
| 8 | /* | ||
| 9 | * This should be the same as the max(NUM_X_SOURCES) for all the | ||
| 10 | * different m68k hosts compiled into the kernel. | ||
| 11 | * Currently the Atari has 72 and the Amiga 24, but if both are | ||
| 12 | * supported in the kernel it is better to make room for 72. | ||
| 13 | */ | ||
| 14 | #if defined(CONFIG_VME) || defined(CONFIG_SUN3) || defined(CONFIG_SUN3X) | ||
| 15 | #define NR_IRQS 200 | ||
| 16 | #elif defined(CONFIG_ATARI) || defined(CONFIG_MAC) | ||
| 17 | #define NR_IRQS 72 | ||
| 18 | #elif defined(CONFIG_Q40) | ||
| 19 | #define NR_IRQS 43 | ||
| 20 | #elif defined(CONFIG_AMIGA) | ||
| 21 | #define NR_IRQS 32 | ||
| 22 | #elif defined(CONFIG_APOLLO) | ||
| 23 | #define NR_IRQS 24 | ||
| 24 | #elif defined(CONFIG_HP300) | ||
| 25 | #define NR_IRQS 8 | ||
| 26 | #else | ||
| 27 | #define NR_IRQS 0 | ||
| 28 | #endif | ||
| 29 | |||
| 30 | /* | ||
| 31 | * The hardirq mask has to be large enough to have | ||
| 32 | * space for potentially all IRQ sources in the system | ||
| 33 | * nesting on a single CPU: | ||
| 34 | */ | ||
| 35 | #if (1 << HARDIRQ_BITS) < NR_IRQS | ||
| 36 | # error HARDIRQ_BITS is too low! | ||
| 37 | #endif | ||
| 38 | |||
| 39 | /* | ||
| 40 | * Interrupt source definitions | ||
| 41 | * General interrupt sources are the level 1-7. | ||
| 42 | * Adding an interrupt service routine for one of these sources | ||
| 43 | * results in the addition of that routine to a chain of routines. | ||
| 44 | * Each one is called in succession. Each individual interrupt | ||
| 45 | * service routine should determine if the device associated with | ||
| 46 | * that routine requires service. | ||
| 47 | */ | ||
| 48 | |||
| 49 | #define IRQ_SPURIOUS 0 | ||
| 50 | |||
| 51 | #define IRQ_AUTO_1 1 /* level 1 interrupt */ | ||
| 52 | #define IRQ_AUTO_2 2 /* level 2 interrupt */ | ||
| 53 | #define IRQ_AUTO_3 3 /* level 3 interrupt */ | ||
| 54 | #define IRQ_AUTO_4 4 /* level 4 interrupt */ | ||
| 55 | #define IRQ_AUTO_5 5 /* level 5 interrupt */ | ||
| 56 | #define IRQ_AUTO_6 6 /* level 6 interrupt */ | ||
| 57 | #define IRQ_AUTO_7 7 /* level 7 interrupt (non-maskable) */ | ||
| 58 | |||
| 59 | #define IRQ_USER 8 | ||
| 60 | |||
| 61 | extern unsigned int irq_canonicalize(unsigned int irq); | ||
| 62 | |||
| 63 | struct pt_regs; | ||
| 64 | |||
| 65 | /* | ||
| 66 | * various flags for request_irq() - the Amiga now uses the standard | ||
| 67 | * mechanism like all other architectures - IRQF_DISABLED and | ||
| 68 | * IRQF_SHARED are your friends. | ||
| 69 | */ | ||
| 70 | #ifndef MACH_AMIGA_ONLY | ||
| 71 | #define IRQ_FLG_LOCK (0x0001) /* handler is not replaceable */ | ||
| 72 | #define IRQ_FLG_REPLACE (0x0002) /* replace existing handler */ | ||
| 73 | #define IRQ_FLG_FAST (0x0004) | ||
| 74 | #define IRQ_FLG_SLOW (0x0008) | ||
| 75 | #define IRQ_FLG_STD (0x8000) /* internally used */ | ||
| 76 | #endif | ||
| 77 | |||
| 78 | /* | ||
| 79 | * This structure is used to chain together the ISRs for a particular | ||
| 80 | * interrupt source (if it supports chaining). | ||
| 81 | */ | ||
| 82 | typedef struct irq_node { | ||
| 83 | int (*handler)(int, void *); | ||
| 84 | void *dev_id; | ||
| 85 | struct irq_node *next; | ||
| 86 | unsigned long flags; | ||
| 87 | const char *devname; | ||
| 88 | } irq_node_t; | ||
| 89 | |||
| 90 | /* | ||
| 91 | * This structure has only 4 elements for speed reasons | ||
| 92 | */ | ||
| 93 | struct irq_handler { | ||
| 94 | int (*handler)(int, void *); | ||
| 95 | unsigned long flags; | ||
| 96 | void *dev_id; | ||
| 97 | const char *devname; | ||
| 98 | }; | ||
| 99 | |||
| 100 | struct irq_controller { | ||
| 101 | const char *name; | ||
| 102 | spinlock_t lock; | ||
| 103 | int (*startup)(unsigned int irq); | ||
| 104 | void (*shutdown)(unsigned int irq); | ||
| 105 | void (*enable)(unsigned int irq); | ||
| 106 | void (*disable)(unsigned int irq); | ||
| 107 | }; | ||
| 108 | |||
| 109 | extern int m68k_irq_startup(unsigned int); | ||
| 110 | extern void m68k_irq_shutdown(unsigned int); | ||
| 111 | |||
| 112 | /* | ||
| 113 | * This function returns a new irq_node_t | ||
| 114 | */ | ||
| 115 | extern irq_node_t *new_irq_node(void); | ||
| 116 | |||
| 117 | extern void m68k_setup_auto_interrupt(void (*handler)(unsigned int, struct pt_regs *)); | ||
| 118 | extern void m68k_setup_user_interrupt(unsigned int vec, unsigned int cnt, | ||
| 119 | void (*handler)(unsigned int, struct pt_regs *)); | ||
| 120 | extern void m68k_setup_irq_controller(struct irq_controller *, unsigned int, unsigned int); | ||
| 121 | |||
| 122 | asmlinkage void m68k_handle_int(unsigned int); | ||
| 123 | asmlinkage void __m68k_handle_int(unsigned int, struct pt_regs *); | ||
| 124 | |||
| 125 | #endif /* _M68K_IRQ_H_ */ | ||