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-rw-r--r--arch/m68k/bvme6000/bvmeints.c161
1 files changed, 0 insertions, 161 deletions
diff --git a/arch/m68k/bvme6000/bvmeints.c b/arch/m68k/bvme6000/bvmeints.c
deleted file mode 100644
index b015fdc1b0cb..000000000000
--- a/arch/m68k/bvme6000/bvmeints.c
+++ /dev/null
@@ -1,161 +0,0 @@
1/*
2 * arch/m68k/bvme6000/bvmeints.c
3 *
4 * Copyright (C) 1997 Richard Hirst [richard@sleepie.demon.co.uk]
5 *
6 * based on amiints.c -- Amiga Linux interrupt handling code
7 *
8 * This file is subject to the terms and conditions of the GNU General Public
9 * License. See the file README.legal in the main directory of this archive
10 * for more details.
11 *
12 */
13
14#include <linux/types.h>
15#include <linux/kernel.h>
16#include <linux/errno.h>
17#include <linux/interrupt.h>
18#include <linux/seq_file.h>
19
20#include <asm/ptrace.h>
21#include <asm/system.h>
22#include <asm/irq.h>
23#include <asm/traps.h>
24
25static irqreturn_t bvme6000_defhand (int irq, void *dev_id, struct pt_regs *fp);
26
27/*
28 * This should ideally be 4 elements only, for speed.
29 */
30
31static struct {
32 irqreturn_t (*handler)(int, void *, struct pt_regs *);
33 unsigned long flags;
34 void *dev_id;
35 const char *devname;
36 unsigned count;
37} irq_tab[256];
38
39/*
40 * void bvme6000_init_IRQ (void)
41 *
42 * Parameters: None
43 *
44 * Returns: Nothing
45 *
46 * This function is called during kernel startup to initialize
47 * the bvme6000 IRQ handling routines.
48 */
49
50void bvme6000_init_IRQ (void)
51{
52 int i;
53
54 for (i = 0; i < 256; i++) {
55 irq_tab[i].handler = bvme6000_defhand;
56 irq_tab[i].flags = IRQ_FLG_STD;
57 irq_tab[i].dev_id = NULL;
58 irq_tab[i].devname = NULL;
59 irq_tab[i].count = 0;
60 }
61}
62
63int bvme6000_request_irq(unsigned int irq,
64 irqreturn_t (*handler)(int, void *, struct pt_regs *),
65 unsigned long flags, const char *devname, void *dev_id)
66{
67 if (irq > 255) {
68 printk("%s: Incorrect IRQ %d from %s\n", __FUNCTION__, irq, devname);
69 return -ENXIO;
70 }
71#if 0
72 /* Nothing special about auto-vectored devices for the BVME6000,
73 * but treat it specially to avoid changes elsewhere.
74 */
75
76 if (irq >= VEC_INT1 && irq <= VEC_INT7)
77 return cpu_request_irq(irq - VEC_SPUR, handler, flags,
78 devname, dev_id);
79#endif
80 if (!(irq_tab[irq].flags & IRQ_FLG_STD)) {
81 if (irq_tab[irq].flags & IRQ_FLG_LOCK) {
82 printk("%s: IRQ %d from %s is not replaceable\n",
83 __FUNCTION__, irq, irq_tab[irq].devname);
84 return -EBUSY;
85 }
86 if (flags & IRQ_FLG_REPLACE) {
87 printk("%s: %s can't replace IRQ %d from %s\n",
88 __FUNCTION__, devname, irq, irq_tab[irq].devname);
89 return -EBUSY;
90 }
91 }
92 irq_tab[irq].handler = handler;
93 irq_tab[irq].flags = flags;
94 irq_tab[irq].dev_id = dev_id;
95 irq_tab[irq].devname = devname;
96 return 0;
97}
98
99void bvme6000_free_irq(unsigned int irq, void *dev_id)
100{
101 if (irq > 255) {
102 printk("%s: Incorrect IRQ %d\n", __FUNCTION__, irq);
103 return;
104 }
105#if 0
106 if (irq >= VEC_INT1 && irq <= VEC_INT7) {
107 cpu_free_irq(irq - VEC_SPUR, dev_id);
108 return;
109 }
110#endif
111 if (irq_tab[irq].dev_id != dev_id)
112 printk("%s: Removing probably wrong IRQ %d from %s\n",
113 __FUNCTION__, irq, irq_tab[irq].devname);
114
115 irq_tab[irq].handler = bvme6000_defhand;
116 irq_tab[irq].flags = IRQ_FLG_STD;
117 irq_tab[irq].dev_id = NULL;
118 irq_tab[irq].devname = NULL;
119}
120
121irqreturn_t bvme6000_process_int (unsigned long vec, struct pt_regs *fp)
122{
123 if (vec > 255) {
124 printk ("bvme6000_process_int: Illegal vector %ld", vec);
125 return IRQ_NONE;
126 } else {
127 irq_tab[vec].count++;
128 irq_tab[vec].handler(vec, irq_tab[vec].dev_id, fp);
129 return IRQ_HANDLED;
130 }
131}
132
133int show_bvme6000_interrupts(struct seq_file *p, void *v)
134{
135 int i;
136
137 for (i = 0; i < 256; i++) {
138 if (irq_tab[i].count)
139 seq_printf(p, "Vec 0x%02x: %8d %s\n",
140 i, irq_tab[i].count,
141 irq_tab[i].devname ? irq_tab[i].devname : "free");
142 }
143 return 0;
144}
145
146
147static irqreturn_t bvme6000_defhand (int irq, void *dev_id, struct pt_regs *fp)
148{
149 printk ("Unknown interrupt 0x%02x\n", irq);
150 return IRQ_NONE;
151}
152
153void bvme6000_enable_irq (unsigned int irq)
154{
155}
156
157
158void bvme6000_disable_irq (unsigned int irq)
159{
160}
161