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authorRoman Zippel <zippel@linux-m68k.org>2006-06-25 08:47:06 -0400
committerLinus Torvalds <torvalds@g5.osdl.org>2006-06-25 13:00:58 -0400
commit200a3d352cd5e0ae8fb96bfcf8103f7b7c60645b (patch)
treee9db90ac38cbfba0f4a4c541733fc4ebd09c5fd7 /arch/m68k/mvme147
parentebba61d5b05ecfda388dd4c156bafdb78d398055 (diff)
[PATCH] m68k: convert VME irq code
Signed-off-by: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'arch/m68k/mvme147')
-rw-r--r--arch/m68k/mvme147/147ints.c146
-rw-r--r--arch/m68k/mvme147/Makefile2
-rw-r--r--arch/m68k/mvme147/config.c22
3 files changed, 10 insertions, 160 deletions
diff --git a/arch/m68k/mvme147/147ints.c b/arch/m68k/mvme147/147ints.c
deleted file mode 100644
index b4aa5e8f44ea..000000000000
--- a/arch/m68k/mvme147/147ints.c
+++ /dev/null
@@ -1,146 +0,0 @@
1/*
2 * arch/m68k/mvme147/147ints.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 mvme147_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 mvme147_init_IRQ (void)
41 *
42 * Parameters: None
43 *
44 * Returns: Nothing
45 *
46 * This function is called during kernel startup to initialize
47 * the mvme147 IRQ handling routines.
48 */
49
50void mvme147_init_IRQ (void)
51{
52 int i;
53
54 for (i = 0; i < 256; i++) {
55 irq_tab[i].handler = mvme147_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 mvme147_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 (!(irq_tab[irq].flags & IRQ_FLG_STD)) {
72 if (irq_tab[irq].flags & IRQ_FLG_LOCK) {
73 printk("%s: IRQ %d from %s is not replaceable\n",
74 __FUNCTION__, irq, irq_tab[irq].devname);
75 return -EBUSY;
76 }
77 if (flags & IRQ_FLG_REPLACE) {
78 printk("%s: %s can't replace IRQ %d from %s\n",
79 __FUNCTION__, devname, irq, irq_tab[irq].devname);
80 return -EBUSY;
81 }
82 }
83 irq_tab[irq].handler = handler;
84 irq_tab[irq].flags = flags;
85 irq_tab[irq].dev_id = dev_id;
86 irq_tab[irq].devname = devname;
87 return 0;
88}
89
90void mvme147_free_irq(unsigned int irq, void *dev_id)
91{
92 if (irq > 255) {
93 printk("%s: Incorrect IRQ %d\n", __FUNCTION__, irq);
94 return;
95 }
96 if (irq_tab[irq].dev_id != dev_id)
97 printk("%s: Removing probably wrong IRQ %d from %s\n",
98 __FUNCTION__, irq, irq_tab[irq].devname);
99
100 irq_tab[irq].handler = mvme147_defhand;
101 irq_tab[irq].flags = IRQ_FLG_STD;
102 irq_tab[irq].dev_id = NULL;
103 irq_tab[irq].devname = NULL;
104}
105
106irqreturn_t mvme147_process_int (unsigned long vec, struct pt_regs *fp)
107{
108 if (vec > 255) {
109 printk ("mvme147_process_int: Illegal vector %ld\n", vec);
110 return IRQ_NONE;
111 } else {
112 irq_tab[vec].count++;
113 irq_tab[vec].handler(vec, irq_tab[vec].dev_id, fp);
114 return IRQ_HANDLED;
115 }
116}
117
118int show_mvme147_interrupts (struct seq_file *p, void *v)
119{
120 int i;
121
122 for (i = 0; i < 256; i++) {
123 if (irq_tab[i].count)
124 seq_printf(p, "Vec 0x%02x: %8d %s\n",
125 i, irq_tab[i].count,
126 irq_tab[i].devname ? irq_tab[i].devname : "free");
127 }
128 return 0;
129}
130
131
132static irqreturn_t mvme147_defhand (int irq, void *dev_id, struct pt_regs *fp)
133{
134 printk ("Unknown interrupt 0x%02x\n", irq);
135 return IRQ_NONE;
136}
137
138void mvme147_enable_irq (unsigned int irq)
139{
140}
141
142
143void mvme147_disable_irq (unsigned int irq)
144{
145}
146
diff --git a/arch/m68k/mvme147/Makefile b/arch/m68k/mvme147/Makefile
index f0153ed3efa5..a36d38dbfbbc 100644
--- a/arch/m68k/mvme147/Makefile
+++ b/arch/m68k/mvme147/Makefile
@@ -2,4 +2,4 @@
2# Makefile for Linux arch/m68k/mvme147 source directory 2# Makefile for Linux arch/m68k/mvme147 source directory
3# 3#
4 4
5obj-y := config.o 147ints.o 5obj-y := config.o
diff --git a/arch/m68k/mvme147/config.c b/arch/m68k/mvme147/config.c
index 0fcf9720c2fe..0cd0e5bddcee 100644
--- a/arch/m68k/mvme147/config.c
+++ b/arch/m68k/mvme147/config.c
@@ -36,15 +36,8 @@
36#include <asm/mvme147hw.h> 36#include <asm/mvme147hw.h>
37 37
38 38
39extern irqreturn_t mvme147_process_int (int level, struct pt_regs *regs);
40extern void mvme147_init_IRQ (void);
41extern void mvme147_free_irq (unsigned int, void *);
42extern int show_mvme147_interrupts (struct seq_file *, void *);
43extern void mvme147_enable_irq (unsigned int);
44extern void mvme147_disable_irq (unsigned int);
45static void mvme147_get_model(char *model); 39static void mvme147_get_model(char *model);
46static int mvme147_get_hardware_list(char *buffer); 40static int mvme147_get_hardware_list(char *buffer);
47extern int mvme147_request_irq (unsigned int irq, irqreturn_t (*handler)(int, void *, struct pt_regs *), unsigned long flags, const char *devname, void *dev_id);
48extern void mvme147_sched_init(irqreturn_t (*handler)(int, void *, struct pt_regs *)); 41extern void mvme147_sched_init(irqreturn_t (*handler)(int, void *, struct pt_regs *));
49extern unsigned long mvme147_gettimeoffset (void); 42extern unsigned long mvme147_gettimeoffset (void);
50extern int mvme147_hwclk (int, struct rtc_time *); 43extern int mvme147_hwclk (int, struct rtc_time *);
@@ -91,6 +84,15 @@ static int mvme147_get_hardware_list(char *buffer)
91 return 0; 84 return 0;
92} 85}
93 86
87/*
88 * This function is called during kernel startup to initialize
89 * the mvme147 IRQ handling routines.
90 */
91
92void mvme147_init_IRQ(void)
93{
94 m68k_setup_user_interrupt(VEC_USER, 192, NULL);
95}
94 96
95void __init config_mvme147(void) 97void __init config_mvme147(void)
96{ 98{
@@ -101,12 +103,6 @@ void __init config_mvme147(void)
101 mach_hwclk = mvme147_hwclk; 103 mach_hwclk = mvme147_hwclk;
102 mach_set_clock_mmss = mvme147_set_clock_mmss; 104 mach_set_clock_mmss = mvme147_set_clock_mmss;
103 mach_reset = mvme147_reset; 105 mach_reset = mvme147_reset;
104 mach_free_irq = mvme147_free_irq;
105 mach_process_int = mvme147_process_int;
106 mach_get_irq_list = show_mvme147_interrupts;
107 mach_request_irq = mvme147_request_irq;
108 enable_irq = mvme147_enable_irq;
109 disable_irq = mvme147_disable_irq;
110 mach_get_model = mvme147_get_model; 106 mach_get_model = mvme147_get_model;
111 mach_get_hardware_list = mvme147_get_hardware_list; 107 mach_get_hardware_list = mvme147_get_hardware_list;
112 108
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-06 14:26:47 -0500