diff options
Diffstat (limited to 'arch/m68k/bvme6000/bvmeints.c')
-rw-r--r-- | arch/m68k/bvme6000/bvmeints.c | 161 |
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 | |||
25 | static 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 | |||
31 | static 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 | |||
50 | void 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 | |||
63 | int 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 | |||
99 | void 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 | |||
121 | irqreturn_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 | |||
133 | int 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 | |||
147 | static 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 | |||
153 | void bvme6000_enable_irq (unsigned int irq) | ||
154 | { | ||
155 | } | ||
156 | |||
157 | |||
158 | void bvme6000_disable_irq (unsigned int irq) | ||
159 | { | ||
160 | } | ||
161 | |||