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authorGreg Ungerer <gerg@uclinux.org>2009-06-26 02:51:05 -0400
committerGreg Ungerer <gerg@uclinux.org>2009-09-15 19:43:37 -0400
commit3ddc7e261a990d03fa4e78e37e6623ca45b18d77 (patch)
tree95d143a7cf1b8acc0bbb8e442497895caf0b2e54 /arch/m68k
parent633ea5d78b8b01ba903aeaae10297033830a52dd (diff)
m68k: merge mmu and non-mmu versions of irq.h
It is reasonably strait forward to merge the mmu and non-mmu versions of irq.h. Most of the defines and structs are not needed on non-mmu. Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Diffstat (limited to 'arch/m68k')
-rw-r--r--arch/m68k/include/asm/irq.h135
-rw-r--r--arch/m68k/include/asm/irq_mm.h126
-rw-r--r--arch/m68k/include/asm/irq_no.h26
3 files changed, 132 insertions, 155 deletions
diff --git a/arch/m68k/include/asm/irq.h b/arch/m68k/include/asm/irq.h
index d031416595b2..907eff1edd2f 100644
--- a/arch/m68k/include/asm/irq.h
+++ b/arch/m68k/include/asm/irq.h
@@ -1,5 +1,134 @@
1#ifdef __uClinux__ 1#ifndef _M68K_IRQ_H_
2#include "irq_no.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.
9 */
10#if defined(CONFIG_COLDFIRE)
11#define NR_IRQS 256
12#elif defined(CONFIG_VME) || defined(CONFIG_SUN3) || defined(CONFIG_SUN3X)
13#define NR_IRQS 200
14#elif defined(CONFIG_ATARI) || defined(CONFIG_MAC)
15#define NR_IRQS 72
16#elif defined(CONFIG_Q40)
17#define NR_IRQS 43
18#elif defined(CONFIG_AMIGA) || !defined(CONFIG_MMU)
19#define NR_IRQS 32
20#elif defined(CONFIG_APOLLO)
21#define NR_IRQS 24
22#elif defined(CONFIG_HP300)
23#define NR_IRQS 8
3#else 24#else
4#include "irq_mm.h" 25#define NR_IRQS 0
5#endif 26#endif
27
28#ifdef CONFIG_MMU
29
30#include <linux/linkage.h>
31#include <linux/hardirq.h>
32#include <linux/irqreturn.h>
33#include <linux/spinlock_types.h>
34
35/*
36 * The hardirq mask has to be large enough to have
37 * space for potentially all IRQ sources in the system
38 * nesting on a single CPU:
39 */
40#if (1 << HARDIRQ_BITS) < NR_IRQS
41# error HARDIRQ_BITS is too low!
42#endif
43
44/*
45 * Interrupt source definitions
46 * General interrupt sources are the level 1-7.
47 * Adding an interrupt service routine for one of these sources
48 * results in the addition of that routine to a chain of routines.
49 * Each one is called in succession. Each individual interrupt
50 * service routine should determine if the device associated with
51 * that routine requires service.
52 */
53
54#define IRQ_SPURIOUS 0
55
56#define IRQ_AUTO_1 1 /* level 1 interrupt */
57#define IRQ_AUTO_2 2 /* level 2 interrupt */
58#define IRQ_AUTO_3 3 /* level 3 interrupt */
59#define IRQ_AUTO_4 4 /* level 4 interrupt */
60#define IRQ_AUTO_5 5 /* level 5 interrupt */
61#define IRQ_AUTO_6 6 /* level 6 interrupt */
62#define IRQ_AUTO_7 7 /* level 7 interrupt (non-maskable) */
63
64#define IRQ_USER 8
65
66extern unsigned int irq_canonicalize(unsigned int irq);
67
68struct pt_regs;
69
70/*
71 * various flags for request_irq() - the Amiga now uses the standard
72 * mechanism like all other architectures - IRQF_DISABLED and
73 * IRQF_SHARED are your friends.
74 */
75#ifndef MACH_AMIGA_ONLY
76#define IRQ_FLG_LOCK (0x0001) /* handler is not replaceable */
77#define IRQ_FLG_REPLACE (0x0002) /* replace existing handler */
78#define IRQ_FLG_FAST (0x0004)
79#define IRQ_FLG_SLOW (0x0008)
80#define IRQ_FLG_STD (0x8000) /* internally used */
81#endif
82
83/*
84 * This structure is used to chain together the ISRs for a particular
85 * interrupt source (if it supports chaining).
86 */
87typedef struct irq_node {
88 irqreturn_t (*handler)(int, void *);
89 void *dev_id;
90 struct irq_node *next;
91 unsigned long flags;
92 const char *devname;
93} irq_node_t;
94
95/*
96 * This structure has only 4 elements for speed reasons
97 */
98struct irq_handler {
99 int (*handler)(int, void *);
100 unsigned long flags;
101 void *dev_id;
102 const char *devname;
103};
104
105struct irq_controller {
106 const char *name;
107 spinlock_t lock;
108 int (*startup)(unsigned int irq);
109 void (*shutdown)(unsigned int irq);
110 void (*enable)(unsigned int irq);
111 void (*disable)(unsigned int irq);
112};
113
114extern int m68k_irq_startup(unsigned int);
115extern void m68k_irq_shutdown(unsigned int);
116
117/*
118 * This function returns a new irq_node_t
119 */
120extern irq_node_t *new_irq_node(void);
121
122extern void m68k_setup_auto_interrupt(void (*handler)(unsigned int, struct pt_regs *));
123extern void m68k_setup_user_interrupt(unsigned int vec, unsigned int cnt,
124 void (*handler)(unsigned int, struct pt_regs *));
125extern void m68k_setup_irq_controller(struct irq_controller *, unsigned int, unsigned int);
126
127asmlinkage void m68k_handle_int(unsigned int);
128asmlinkage void __m68k_handle_int(unsigned int, struct pt_regs *);
129
130#else
131#define irq_canonicalize(irq) (irq)
132#endif /* CONFIG_MMU */
133
134#endif /* _M68K_IRQ_H_ */
diff --git a/arch/m68k/include/asm/irq_mm.h b/arch/m68k/include/asm/irq_mm.h
deleted file mode 100644
index 0cab42cad79e..000000000000
--- a/arch/m68k/include/asm/irq_mm.h
+++ /dev/null
@@ -1,126 +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/irqreturn.h>
7#include <linux/spinlock_types.h>
8
9/*
10 * This should be the same as the max(NUM_X_SOURCES) for all the
11 * different m68k hosts compiled into the kernel.
12 * Currently the Atari has 72 and the Amiga 24, but if both are
13 * supported in the kernel it is better to make room for 72.
14 */
15#if defined(CONFIG_VME) || defined(CONFIG_SUN3) || defined(CONFIG_SUN3X)
16#define NR_IRQS 200
17#elif defined(CONFIG_ATARI) || defined(CONFIG_MAC)
18#define NR_IRQS 72
19#elif defined(CONFIG_Q40)
20#define NR_IRQS 43
21#elif defined(CONFIG_AMIGA)
22#define NR_IRQS 32
23#elif defined(CONFIG_APOLLO)
24#define NR_IRQS 24
25#elif defined(CONFIG_HP300)
26#define NR_IRQS 8
27#else
28#define NR_IRQS 0
29#endif
30
31/*
32 * The hardirq mask has to be large enough to have
33 * space for potentially all IRQ sources in the system
34 * nesting on a single CPU:
35 */
36#if (1 << HARDIRQ_BITS) < NR_IRQS
37# error HARDIRQ_BITS is too low!
38#endif
39
40/*
41 * Interrupt source definitions
42 * General interrupt sources are the level 1-7.
43 * Adding an interrupt service routine for one of these sources
44 * results in the addition of that routine to a chain of routines.
45 * Each one is called in succession. Each individual interrupt
46 * service routine should determine if the device associated with
47 * that routine requires service.
48 */
49
50#define IRQ_SPURIOUS 0
51
52#define IRQ_AUTO_1 1 /* level 1 interrupt */
53#define IRQ_AUTO_2 2 /* level 2 interrupt */
54#define IRQ_AUTO_3 3 /* level 3 interrupt */
55#define IRQ_AUTO_4 4 /* level 4 interrupt */
56#define IRQ_AUTO_5 5 /* level 5 interrupt */
57#define IRQ_AUTO_6 6 /* level 6 interrupt */
58#define IRQ_AUTO_7 7 /* level 7 interrupt (non-maskable) */
59
60#define IRQ_USER 8
61
62extern unsigned int irq_canonicalize(unsigned int irq);
63
64struct pt_regs;
65
66/*
67 * various flags for request_irq() - the Amiga now uses the standard
68 * mechanism like all other architectures - IRQF_DISABLED and
69 * IRQF_SHARED are your friends.
70 */
71#ifndef MACH_AMIGA_ONLY
72#define IRQ_FLG_LOCK (0x0001) /* handler is not replaceable */
73#define IRQ_FLG_REPLACE (0x0002) /* replace existing handler */
74#define IRQ_FLG_FAST (0x0004)
75#define IRQ_FLG_SLOW (0x0008)
76#define IRQ_FLG_STD (0x8000) /* internally used */
77#endif
78
79/*
80 * This structure is used to chain together the ISRs for a particular
81 * interrupt source (if it supports chaining).
82 */
83typedef struct irq_node {
84 irqreturn_t (*handler)(int, void *);
85 void *dev_id;
86 struct irq_node *next;
87 unsigned long flags;
88 const char *devname;
89} irq_node_t;
90
91/*
92 * This structure has only 4 elements for speed reasons
93 */
94struct irq_handler {
95 int (*handler)(int, void *);
96 unsigned long flags;
97 void *dev_id;
98 const char *devname;
99};
100
101struct irq_controller {
102 const char *name;
103 spinlock_t lock;
104 int (*startup)(unsigned int irq);
105 void (*shutdown)(unsigned int irq);
106 void (*enable)(unsigned int irq);
107 void (*disable)(unsigned int irq);
108};
109
110extern int m68k_irq_startup(unsigned int);
111extern void m68k_irq_shutdown(unsigned int);
112
113/*
114 * This function returns a new irq_node_t
115 */
116extern irq_node_t *new_irq_node(void);
117
118extern void m68k_setup_auto_interrupt(void (*handler)(unsigned int, struct pt_regs *));
119extern void m68k_setup_user_interrupt(unsigned int vec, unsigned int cnt,
120 void (*handler)(unsigned int, struct pt_regs *));
121extern void m68k_setup_irq_controller(struct irq_controller *, unsigned int, unsigned int);
122
123asmlinkage void m68k_handle_int(unsigned int);
124asmlinkage void __m68k_handle_int(unsigned int, struct pt_regs *);
125
126#endif /* _M68K_IRQ_H_ */
diff --git a/arch/m68k/include/asm/irq_no.h b/arch/m68k/include/asm/irq_no.h
deleted file mode 100644
index 9373c31ac87d..000000000000
--- a/arch/m68k/include/asm/irq_no.h
+++ /dev/null
@@ -1,26 +0,0 @@
1#ifndef _M68KNOMMU_IRQ_H_
2#define _M68KNOMMU_IRQ_H_
3
4#ifdef CONFIG_COLDFIRE
5/*
6 * On the ColdFire we keep track of all vectors. That way drivers
7 * can register whatever vector number they wish, and we can deal
8 * with it.
9 */
10#define SYS_IRQS 256
11#define NR_IRQS SYS_IRQS
12
13#else
14
15/*
16 * # of m68k interrupts
17 */
18#define SYS_IRQS 8
19#define NR_IRQS (24 + SYS_IRQS)
20
21#endif /* CONFIG_COLDFIRE */
22
23
24#define irq_canonicalize(irq) (irq)
25
26#endif /* _M68KNOMMU_IRQ_H_ */
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-22 12:04:33 -0500