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Diffstat (limited to 'arch/m68k/apollo/dn_ints.c')
-rw-r--r--arch/m68k/apollo/dn_ints.c137
1 files changed, 28 insertions, 109 deletions
diff --git a/arch/m68k/apollo/dn_ints.c b/arch/m68k/apollo/dn_ints.c
index a31259359a12..9fe07803797b 100644
--- a/arch/m68k/apollo/dn_ints.c
+++ b/arch/m68k/apollo/dn_ints.c
@@ -1,125 +1,44 @@
-#include <linux/types.h>
-#include <linux/kernel.h>
-#include <linux/jiffies.h>
-#include <linux/kernel_stat.h>
-#include <linux/timer.h>
+#include <linux/interrupt.h>
-#include <asm/system.h>
#include <asm/irq.h>
#include <asm/traps.h>
-#include <asm/page.h>
-#include <asm/machdep.h>
#include <asm/apollohw.h>
-#include <asm/errno.h>
-static irq_handler_t dn_irqs[16];
-
-irqreturn_t dn_process_int(int irq, struct pt_regs *fp)
+void dn_process_int(unsigned int irq, struct pt_regs *fp)
{
- irqreturn_t res = IRQ_NONE;
-
- if(dn_irqs[irq-160].handler) {
- res = dn_irqs[irq-160].handler(irq,dn_irqs[irq-160].dev_id,fp);
- } else {
- printk("spurious irq %d occurred\n",irq);
- }
-
- *(volatile unsigned char *)(pica)=0x20;
- *(volatile unsigned char *)(picb)=0x20;
-
- return res;
-}
-
-void dn_init_IRQ(void) {
-
- int i;
-
- for(i=0;i<16;i++) {
- dn_irqs[i].handler=NULL;
- dn_irqs[i].flags=IRQ_FLG_STD;
- dn_irqs[i].dev_id=NULL;
- dn_irqs[i].devname=NULL;
- }
-
-}
-
-int dn_request_irq(unsigned int irq, irqreturn_t (*handler)(int, void *, struct pt_regs *), unsigned long flags, const char *devname, void *dev_id) {
-
- if((irq<0) || (irq>15)) {
- printk("Trying to request invalid IRQ\n");
- return -ENXIO;
- }
-
- if(!dn_irqs[irq].handler) {
- dn_irqs[irq].handler=handler;
- dn_irqs[irq].flags=IRQ_FLG_STD;
- dn_irqs[irq].dev_id=dev_id;
- dn_irqs[irq].devname=devname;
- if(irq<8)
- *(volatile unsigned char *)(pica+1)&=~(1<<irq);
- else
- *(volatile unsigned char *)(picb+1)&=~(1<<(irq-8));
-
- return 0;
- }
- else {
- printk("Trying to request already assigned irq %d\n",irq);
- return -ENXIO;
- }
-
-}
-
-void dn_free_irq(unsigned int irq, void *dev_id) {
-
- if((irq<0) || (irq>15)) {
- printk("Trying to free invalid IRQ\n");
- return ;
- }
-
- if(irq<8)
- *(volatile unsigned char *)(pica+1)|=(1<<irq);
- else
- *(volatile unsigned char *)(picb+1)|=(1<<(irq-8));
-
- dn_irqs[irq].handler=NULL;
- dn_irqs[irq].flags=IRQ_FLG_STD;
- dn_irqs[irq].dev_id=NULL;
- dn_irqs[irq].devname=NULL;
-
- return ;
-
-}
-
-void dn_enable_irq(unsigned int irq) {
-
- printk("dn enable irq\n");
-
-}
-
-void dn_disable_irq(unsigned int irq) {
-
- printk("dn disable irq\n");
+ m68k_handle_int(irq, fp);
+ *(volatile unsigned char *)(pica)=0x20;
+ *(volatile unsigned char *)(picb)=0x20;
}
-int show_dn_interrupts(struct seq_file *p, void *v) {
-
- printk("dn get irq list\n");
-
- return 0;
-
+int apollo_irq_startup(unsigned int irq)
+{
+ if (irq < 8)
+ *(volatile unsigned char *)(pica+1) &= ~(1 << irq);
+ else
+ *(volatile unsigned char *)(picb+1) &= ~(1 << (irq - 8));
+ return 0;
}
-struct fb_info *dn_dummy_fb_init(long *mem_start) {
-
- printk("fb init\n");
-
- return NULL;
-
+void apollo_irq_shutdown(unsigned int irq)
+{
+ if (irq < 8)
+ *(volatile unsigned char *)(pica+1) |= (1 << irq);
+ else
+ *(volatile unsigned char *)(picb+1) |= (1 << (irq - 8));
}
-void dn_dummy_video_setup(char *options,int *ints) {
+static struct irq_controller apollo_irq_controller = {
+ .name = "apollo",
+ .lock = SPIN_LOCK_UNLOCKED,
+ .startup = apollo_irq_startup,
+ .shutdown = apollo_irq_shutdown,
+};
- printk("no video yet\n");
+void dn_init_IRQ(void)
+{
+ m68k_setup_user_interrupt(VEC_USER + 96, 16, dn_process_int);
+ m68k_setup_irq_controller(&apollo_irq_controller, IRQ_APOLLO, 16);
}