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Greg Ungerer3ddc7e22009-06-26 16:51:05 +10001#ifndef _M68K_IRQ_H_
2#define _M68K_IRQ_H_
3
4/*
5 * This should be the same as the max(NUM_X_SOURCES) for all the
6 * different m68k hosts compiled into the kernel.
7 * Currently the Atari has 72 and the Amiga 24, but if both are
8 * supported in the kernel it is better to make room for 72.
Michael Schmitz736b24d2013-04-06 13:26:39 +13009 * With EtherNAT add-on card on Atari, the highest interrupt
10 * number is 140 so NR_IRQS needs to be 141.
Greg Ungerer3ddc7e22009-06-26 16:51:05 +100011 */
12#if defined(CONFIG_COLDFIRE)
13#define NR_IRQS 256
14#elif defined(CONFIG_VME) || defined(CONFIG_SUN3) || defined(CONFIG_SUN3X)
15#define NR_IRQS 200
Michael Schmitz736b24d2013-04-06 13:26:39 +130016#elif defined(CONFIG_ATARI)
17#define NR_IRQS 141
18#elif defined(CONFIG_MAC)
Greg Ungerer3ddc7e22009-06-26 16:51:05 +100019#define NR_IRQS 72
20#elif defined(CONFIG_Q40)
21#define NR_IRQS 43
22#elif defined(CONFIG_AMIGA) || !defined(CONFIG_MMU)
23#define NR_IRQS 32
24#elif defined(CONFIG_APOLLO)
25#define NR_IRQS 24
26#elif defined(CONFIG_HP300)
27#define NR_IRQS 8
Sam Ravnborg49148022009-01-16 21:58:10 +100028#else
Greg Ungerer3ddc7e22009-06-26 16:51:05 +100029#define NR_IRQS 0
Sam Ravnborg49148022009-01-16 21:58:10 +100030#endif
Greg Ungerer3ddc7e22009-06-26 16:51:05 +100031
Greg Ungerer78ccdff2011-10-14 14:22:22 +100032#if defined(CONFIG_M68020) || defined(CONFIG_M68030) || \
33 defined(CONFIG_M68040) || defined(CONFIG_M68060)
Greg Ungerer3ddc7e22009-06-26 16:51:05 +100034
Greg Ungerer3ddc7e22009-06-26 16:51:05 +100035/*
Greg Ungerer3ddc7e22009-06-26 16:51:05 +100036 * Interrupt source definitions
37 * General interrupt sources are the level 1-7.
38 * Adding an interrupt service routine for one of these sources
39 * results in the addition of that routine to a chain of routines.
40 * Each one is called in succession. Each individual interrupt
41 * service routine should determine if the device associated with
42 * that routine requires service.
43 */
44
45#define IRQ_SPURIOUS 0
46
47#define IRQ_AUTO_1 1 /* level 1 interrupt */
48#define IRQ_AUTO_2 2 /* level 2 interrupt */
49#define IRQ_AUTO_3 3 /* level 3 interrupt */
50#define IRQ_AUTO_4 4 /* level 4 interrupt */
51#define IRQ_AUTO_5 5 /* level 5 interrupt */
52#define IRQ_AUTO_6 6 /* level 6 interrupt */
53#define IRQ_AUTO_7 7 /* level 7 interrupt (non-maskable) */
54
55#define IRQ_USER 8
56
Geert Uytterhoeven4936f632011-04-21 22:50:52 +020057struct irq_data;
58struct irq_chip;
59struct irq_desc;
60extern unsigned int m68k_irq_startup(struct irq_data *data);
61extern unsigned int m68k_irq_startup_irq(unsigned int irq);
62extern void m68k_irq_shutdown(struct irq_data *data);
63extern void m68k_setup_auto_interrupt(void (*handler)(unsigned int,
64 struct pt_regs *));
Geert Uytterhoevenf30a6482011-09-11 11:54:50 +020065extern void m68k_setup_user_interrupt(unsigned int vec, unsigned int cnt);
Geert Uytterhoeven4936f632011-04-21 22:50:52 +020066extern void m68k_setup_irq_controller(struct irq_chip *,
Thomas Gleixnerbd0b9ac2015-09-14 10:42:37 +020067 void (*handle)(struct irq_desc *desc),
Geert Uytterhoeven4936f632011-04-21 22:50:52 +020068 unsigned int irq, unsigned int cnt);
69
Geert Uytterhoeven4936f632011-04-21 22:50:52 +020070extern unsigned int irq_canonicalize(unsigned int irq);
71
Greg Ungerer3ddc7e22009-06-26 16:51:05 +100072#else
73#define irq_canonicalize(irq) (irq)
Greg Ungerer78ccdff2011-10-14 14:22:22 +100074#endif /* !(CONFIG_M68020 || CONFIG_M68030 || CONFIG_M68040 || CONFIG_M68060) */
Greg Ungerer3ddc7e22009-06-26 16:51:05 +100075
Geert Uytterhoeven739735d2011-07-03 11:09:57 +020076asmlinkage void do_IRQ(int irq, struct pt_regs *regs);
Geert Uytterhoeven4936f632011-04-21 22:50:52 +020077extern atomic_t irq_err_count;
Geert Uytterhoeven739735d2011-07-03 11:09:57 +020078
Greg Ungerer3ddc7e22009-06-26 16:51:05 +100079#endif /* _M68K_IRQ_H_ */