1 /* SPDX-License-Identifier: GPL-2.0 */
6 * This should be the same as the max(NUM_X_SOURCES) for all the
7 * different m68k hosts compiled into the kernel.
8 * Currently the Atari has 72 and the Amiga 24, but if both are
9 * supported in the kernel it is better to make room for 72.
10 * With EtherNAT add-on card on Atari, the highest interrupt
11 * number is 140 so NR_IRQS needs to be 141.
13 #if defined(CONFIG_COLDFIRE)
15 #elif defined(CONFIG_VME) || defined(CONFIG_SUN3) || \
16 defined(CONFIG_SUN3X) || defined(CONFIG_VIRT)
18 #elif defined(CONFIG_ATARI)
20 #elif defined(CONFIG_MAC)
22 #elif defined(CONFIG_Q40)
24 #elif defined(CONFIG_AMIGA) || !defined(CONFIG_MMU)
26 #elif defined(CONFIG_APOLLO)
28 #elif defined(CONFIG_HP300)
34 #if defined(CONFIG_M68020) || defined(CONFIG_M68030) || \
35 defined(CONFIG_M68040) || defined(CONFIG_M68060)
38 * Interrupt source definitions
39 * General interrupt sources are the level 1-7.
40 * Adding an interrupt service routine for one of these sources
41 * results in the addition of that routine to a chain of routines.
42 * Each one is called in succession. Each individual interrupt
43 * service routine should determine if the device associated with
44 * that routine requires service.
47 #define IRQ_SPURIOUS 0
49 #define IRQ_AUTO_1 1 /* level 1 interrupt */
50 #define IRQ_AUTO_2 2 /* level 2 interrupt */
51 #define IRQ_AUTO_3 3 /* level 3 interrupt */
52 #define IRQ_AUTO_4 4 /* level 4 interrupt */
53 #define IRQ_AUTO_5 5 /* level 5 interrupt */
54 #define IRQ_AUTO_6 6 /* level 6 interrupt */
55 #define IRQ_AUTO_7 7 /* level 7 interrupt (non-maskable) */
62 extern unsigned int m68k_irq_startup(struct irq_data *data);
63 extern unsigned int m68k_irq_startup_irq(unsigned int irq);
64 extern void m68k_irq_shutdown(struct irq_data *data);
65 extern void m68k_setup_auto_interrupt(void (*handler)(unsigned int,
67 extern void m68k_setup_user_interrupt(unsigned int vec, unsigned int cnt);
68 extern void m68k_setup_irq_controller(struct irq_chip *,
69 void (*handle)(struct irq_desc *desc),
70 unsigned int irq, unsigned int cnt);
72 extern unsigned int irq_canonicalize(unsigned int irq);
75 #define irq_canonicalize(irq) (irq)
76 #endif /* !(CONFIG_M68020 || CONFIG_M68030 || CONFIG_M68040 || CONFIG_M68060) */
78 asmlinkage void do_IRQ(int irq, struct pt_regs *regs);
79 extern atomic_t irq_err_count;
81 #endif /* _M68K_IRQ_H_ */