linux 2.6.16.38 w/ vs2.0.3-rc1

[linux-2.6.git] / arch / m68k / mac / via.c

diff --git a/arch/m68k/mac/via.c b/arch/m68k/mac/via.c
index c4aa345..cd528bf 100644 (file)
--- a/arch/m68k/mac/via.c
+++ b/arch/m68k/mac/via.c
@@ -25,6 +25,7 @@
 #include <linux/init.h>
 #include <linux/ide.h>
 
+#include <asm/traps.h>
 #include <asm/bootinfo.h>
 #include <asm/macintosh.h>
 #include <asm/macints.h>
@@ -70,6 +71,7 @@ void via_irq_enable(int irq);
 void via_irq_disable(int irq);
 void via_irq_clear(int irq);
 
+extern irqreturn_t mac_bang(int, void *, struct pt_regs *);
 extern irqreturn_t mac_scc_dispatch(int, void *, struct pt_regs *);
 extern int oss_present;
 
@@ -210,6 +212,11 @@ void __init via_init(void)
                        break;
        }
 #else
+       /* The alernate IRQ mapping seems to just not work. Anyone with a   */
+       /* supported machine is welcome to take a stab at fixing it. It     */
+       /* _should_ work on the following Quadras: 610,650,700,800,900,950  */
+       /*                                               - 1999-06-12 (jmt) */
+
        via_alt_mapping = 0;
 #endif
 
@@ -253,21 +260,27 @@ void __init via_init_clock(irqreturn_t (*func)(int, void *, struct pt_regs *))
 void __init via_register_interrupts(void)
 {
        if (via_alt_mapping) {
-               request_irq(IRQ_AUTO_1, via1_irq,
+               cpu_request_irq(IRQ_AUTO_1, via1_irq,
                                IRQ_FLG_LOCK|IRQ_FLG_FAST, "software",
                                (void *) via1);
-               request_irq(IRQ_AUTO_6, via1_irq,
+               cpu_request_irq(IRQ_AUTO_6, via1_irq,
                                IRQ_FLG_LOCK|IRQ_FLG_FAST, "via1",
                                (void *) via1);
        } else {
-               request_irq(IRQ_AUTO_1, via1_irq,
+               cpu_request_irq(IRQ_AUTO_1, via1_irq,
                                IRQ_FLG_LOCK|IRQ_FLG_FAST, "via1",
                                (void *) via1);
+#if 0 /* interferes with serial on some machines */
+               if (!psc_present) {
+                       cpu_request_irq(IRQ_AUTO_6, mac_bang, IRQ_FLG_LOCK,
+                                       "Off Switch", mac_bang);
+               }
+#endif
        }
-       request_irq(IRQ_AUTO_2, via2_irq, IRQ_FLG_LOCK|IRQ_FLG_FAST,
+       cpu_request_irq(IRQ_AUTO_2, via2_irq, IRQ_FLG_LOCK|IRQ_FLG_FAST,
                        "via2", (void *) via2);
        if (!psc_present) {
-               request_irq(IRQ_AUTO_4, mac_scc_dispatch, IRQ_FLG_LOCK,
+               cpu_request_irq(IRQ_AUTO_4, mac_scc_dispatch, IRQ_FLG_LOCK,
                                "scc", mac_scc_dispatch);
        }
        request_irq(IRQ_MAC_NUBUS, via_nubus_irq, IRQ_FLG_LOCK|IRQ_FLG_FAST,
@@ -424,7 +437,7 @@ irqreturn_t via1_irq(int irq, void *dev_id, struct pt_regs *regs)
        for (i = 0, irq_bit = 1 ; i < 7 ; i++, irq_bit <<= 1)
                if (events & irq_bit) {
                        via1[vIER] = irq_bit;
-                       m68k_handle_int(VIA1_SOURCE_BASE + i, regs);
+                       mac_do_irq_list(VIA1_SOURCE_BASE + i, regs);
                        via1[vIFR] = irq_bit;
                        via1[vIER] = irq_bit | 0x80;
                }
@@ -439,7 +452,7 @@ irqreturn_t via1_irq(int irq, void *dev_id, struct pt_regs *regs)
                /* No, it won't be set. that's why we're doing this. */
                via_irq_disable(IRQ_MAC_NUBUS);
                via_irq_clear(IRQ_MAC_NUBUS);
-               m68k_handle_int(IRQ_MAC_NUBUS, regs);
+               mac_do_irq_list(IRQ_MAC_NUBUS, regs);
                via_irq_enable(IRQ_MAC_NUBUS);
        }
 #endif
@@ -458,8 +471,8 @@ irqreturn_t via2_irq(int irq, void *dev_id, struct pt_regs *regs)
        for (i = 0, irq_bit = 1 ; i < 7 ; i++, irq_bit <<= 1)
                if (events & irq_bit) {
                        via2[gIER] = irq_bit;
+                       mac_do_irq_list(VIA2_SOURCE_BASE + i, regs);
                        via2[gIFR] = irq_bit | rbv_clear;
-                       m68k_handle_int(VIA2_SOURCE_BASE + i, regs);
                        via2[gIER] = irq_bit | 0x80;
                }
        return IRQ_HANDLED;
@@ -481,7 +494,7 @@ irqreturn_t via_nubus_irq(int irq, void *dev_id, struct pt_regs *regs)
        for (i = 0, irq_bit = 1 ; i < 7 ; i++, irq_bit <<= 1) {
                if (events & irq_bit) {
                        via_irq_disable(NUBUS_SOURCE_BASE + i);
-                       m68k_handle_int(NUBUS_SOURCE_BASE + i, regs);
+                       mac_do_irq_list(NUBUS_SOURCE_BASE + i, regs);
                        via_irq_enable(NUBUS_SOURCE_BASE + i);
                }
        }
@@ -516,7 +529,6 @@ void via_irq_enable(int irq) {
                }
                via2[gIER] = irq_bit | 0x80;
        } else if (irq_src == 7) {
-               nubus_active |= irq_bit;
                if (rbv_present) {
                        /* enable the slot interrupt. SIER works like IER. */
                        via2[rSIER] = IER_SET_BIT(irq_idx);
@@ -538,6 +550,7 @@ void via_irq_enable(int irq) {
                                }
                        }
                }
+               nubus_active |= irq_bit;
        }
 }