void __init psc_register_interrupts(void)
{
sys_request_irq(3, psc_irq, IRQ_FLG_LOCK, "psc3",
(void *) 0x30);
sys_request_irq(4, psc_irq, IRQ_FLG_LOCK, "psc4",
(void *) 0x40);
sys_request_irq(5, psc_irq, IRQ_FLG_LOCK, "psc5",
(void *) 0x50);
sys_request_irq(6, psc_irq, IRQ_FLG_LOCK, "psc6",
(void *) 0x60);
}
void __init oss_register_interrupts(void)
{
sys_request_irq(OSS_IRQLEV_SCSI, oss_irq, IRQ_FLG_LOCK,
"scsi", (void *) oss);
sys_request_irq(OSS_IRQLEV_IOPSCC, mac_scc_dispatch, IRQ_FLG_LOCK,
"scc", mac_scc_dispatch);
sys_request_irq(OSS_IRQLEV_NUBUS, oss_nubus_irq, IRQ_FLG_LOCK,
"nubus", (void *) oss);
sys_request_irq(OSS_IRQLEV_SOUND, oss_irq, IRQ_FLG_LOCK,
"sound", (void *) oss);
sys_request_irq(OSS_IRQLEV_VIA1, via1_irq, IRQ_FLG_LOCK,
"via1", (void *) via1);
}
int q40_request_irq(unsigned int irq,
void (*handler)(int, void *, struct pt_regs *),
unsigned long flags, const char *devname, void *dev_id)
{
/*printk("q40_request_irq %d, %s\n",irq,devname);*/
if (irq > Q40_IRQ_MAX || (irq>15 && irq<32)) {
printk("%s: Incorrect IRQ %d from %s\n", __FUNCTION__, irq, devname);
return -ENXIO;
}
/* test for ISA ints not implemented by HW */
switch (irq)
{
case 1: case 2: case 8: case 9:
case 12: case 13:
printk("%s: ISA IRQ %d from %s not implemented by HW\n", __FUNCTION__, irq, devname);
return -ENXIO;
case 11:
printk("warning IRQ 10 and 11 not distinguishable\n");
irq=10;
}
if (irq<Q40_IRQ_SAMPLE)
{
if (irq_tab[irq].dev_id != NULL)
{
printk("%s: IRQ %d from %s is not replaceable\n",
__FUNCTION__, irq, irq_tab[irq].devname);
return -EBUSY;
}
/*printk("IRQ %d set to handler %p\n",irq,handler);*/
if (dev_id==NULL)
{
printk("WARNING: dev_id == NULL in request_irq\n");
dev_id=(void*)1;
}
irq_tab[irq].handler = handler;
irq_tab[irq].flags = flags;
irq_tab[irq].dev_id = dev_id;
strncpy(irq_tab[irq].devname,devname,DEVNAME_SIZE);
irq_tab[irq].state = 0;
return 0;
}
else {
/* Q40_IRQ_SAMPLE :somewhat special actions required here ..*/
sys_request_irq(4,handler,flags,devname,dev_id);
sys_request_irq(6,handler,flags,devname,dev_id);
return 0;
}
}
void q40_init_IRQ (void)
{
int i;
disabled=0;
for (i = 0; i <= Q40_IRQ_MAX; i++) {
irq_tab[i].handler = q40_defhand;
irq_tab[i].flags = 0;
irq_tab[i].dev_id = NULL;
/* irq_tab[i].next = NULL;*/
irq_tab[i].devname[0] = 0;
irq_tab[i].count = 0;
irq_tab[i].state =0;
q40_ablecount[i]=0; /* all enabled */
}
/* setup handler for ISA ints */
sys_request_irq(IRQ2,q40_irq2_handler, 0, "q40 ISA and master chip", NULL);
/* now enable some ints.. */
master_outb(1,EXT_ENABLE_REG); /* ISA IRQ 5-15 */
/* make sure keyboard IRQ is disabled */
master_outb(0,KEY_IRQ_ENABLE_REG);
}
int bvme6000_request_irq(unsigned int irq,
irqreturn_t (*handler)(int, void *, struct pt_regs *),
unsigned long flags, const char *devname, void *dev_id)
{
if (irq > 255) {
printk("%s: Incorrect IRQ %d from %s\n", __FUNCTION__, irq, devname);
return -ENXIO;
}
#if 0
/* Nothing special about auto-vectored devices for the BVME6000,
* but treat it specially to avoid changes elsewhere.
*/
if (irq >= VEC_INT1 && irq <= VEC_INT7)
return sys_request_irq(irq - VEC_SPUR, handler, flags,
devname, dev_id);
#endif
if (!(irq_tab[irq].flags & IRQ_FLG_STD)) {
if (irq_tab[irq].flags & IRQ_FLG_LOCK) {
printk("%s: IRQ %d from %s is not replaceable\n",
__FUNCTION__, irq, irq_tab[irq].devname);
return -EBUSY;
}
if (flags & IRQ_FLG_REPLACE) {
printk("%s: %s can't replace IRQ %d from %s\n",
__FUNCTION__, devname, irq, irq_tab[irq].devname);
return -EBUSY;
}
}
irq_tab[irq].handler = handler;
irq_tab[irq].flags = flags;
irq_tab[irq].dev_id = dev_id;
irq_tab[irq].devname = devname;
return 0;
}
void __init sun3x_sched_init(void (*vector)(int, void *, struct pt_regs *))
{
sys_request_irq(5, sun3x_timer_tick, IRQ_FLG_STD, "timer tick", vector);
/* Pulse enable low to get the clock started */
disable_irq(5);
enable_irq(5);
}
int amiga_request_irq(unsigned int irq, void (*handler)(int, void *, struct pt_regs *),
unsigned long flags, const char *devname, void *dev_id)
{
irq_node_t *node;
if (irq >= AMI_IRQS) {
printk ("%s: Unknown IRQ %d from %s\n", __FUNCTION__, irq, devname);
return -ENXIO;
}
if (irq >= IRQ_AMIGA_AUTO)
return sys_request_irq(irq - IRQ_AMIGA_AUTO, handler,
flags, devname, dev_id);
if (irq >= IRQ_AMIGA_CIAB)
return cia_request_irq(&ciab_base, irq - IRQ_AMIGA_CIAB,
handler, flags, devname, dev_id);
if (irq >= IRQ_AMIGA_CIAA)
return cia_request_irq(&ciaa_base, irq - IRQ_AMIGA_CIAA,
handler, flags, devname, dev_id);
if (ami_servers[irq]) {
if (!(node = new_irq_node()))
return -ENOMEM;
node->handler = handler;
node->flags = flags;
node->dev_id = dev_id;
node->devname = devname;
node->next = NULL;
amiga_insert_irq(&ami_irq_list[irq], node);
} else {
if (!(ami_irq_list[irq]->flags & IRQ_FLG_STD)) {
if (ami_irq_list[irq]->flags & IRQ_FLG_LOCK) {
printk("%s: IRQ %d from %s is not replaceable\n",
__FUNCTION__, irq, ami_irq_list[irq]->devname);
return -EBUSY;
}
if (!(flags & IRQ_FLG_REPLACE)) {
printk("%s: %s can't replace IRQ %d from %s\n",
__FUNCTION__, devname, irq, ami_irq_list[irq]->devname);
return -EBUSY;
}
}
ami_irq_list[irq]->handler = handler;
ami_irq_list[irq]->flags = flags;
ami_irq_list[irq]->dev_id = dev_id;
ami_irq_list[irq]->devname = devname;
}
/* enable the interrupt */
if (irq < IRQ_AMIGA_PORTS && !ami_ablecount[irq])
custom.intena = IF_SETCLR | ami_intena_vals[irq];
return 0;
}
void __init via_register_interrupts(void)
{
if (via_alt_mapping) {
sys_request_irq(IRQ_AUTO_1, via1_irq, IRQ_FLG_LOCK|IRQ_FLG_FAST,
"software", (void *) via1);
sys_request_irq(IRQ_AUTO_6, via1_irq, IRQ_FLG_LOCK|IRQ_FLG_FAST,
"via1", (void *) via1);
} else {
sys_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) {
sys_request_irq(IRQ_AUTO_6, mac_bang, IRQ_FLG_LOCK,
"Off Switch", mac_bang);
}
#endif
}
sys_request_irq(IRQ_AUTO_2, via2_irq, IRQ_FLG_LOCK|IRQ_FLG_FAST,
"via2", (void *) via2);
if (!psc_present) {
sys_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,
"nubus", (void *) via2);
}
int amiga_request_irq(unsigned int irq,
void (*handler)(int, void *, struct pt_regs *),
unsigned long flags, const char *devname, void *dev_id)
{
irq_node_t *node;
int error = 0;
if (irq >= AMI_IRQS) {
printk ("%s: Unknown IRQ %d from %s\n", __FUNCTION__,
irq, devname);
return -ENXIO;
}
if (irq >= IRQ_AMIGA_AUTO)
return sys_request_irq(irq - IRQ_AMIGA_AUTO, handler,
flags, devname, dev_id);
if (irq >= IRQ_AMIGA_CIAB)
return cia_request_irq(&ciab_base, irq - IRQ_AMIGA_CIAB,
handler, flags, devname, dev_id);
if (irq >= IRQ_AMIGA_CIAA)
return cia_request_irq(&ciaa_base, irq - IRQ_AMIGA_CIAA,
handler, flags, devname, dev_id);
/*
* IRQ_AMIGA_PORTS & IRQ_AMIGA_EXTER defaults to shared,
* we could add a check here for the SA_SHIRQ flag but all drivers
* should be aware of sharing anyway.
*/
if (ami_servers[irq]) {
if (!(node = new_irq_node()))
return -ENOMEM;
node->handler = handler;
node->flags = flags;
node->dev_id = dev_id;
node->devname = devname;
node->next = NULL;
error = amiga_insert_irq(&ami_irq_list[irq], node);
} else {
ami_irq_list[irq]->handler = handler;
ami_irq_list[irq]->flags = flags;
ami_irq_list[irq]->dev_id = dev_id;
ami_irq_list[irq]->devname = devname;
}
/* enable the interrupt */
if (irq < IRQ_AMIGA_PORTS && !ami_ablecount[irq])
custom.intena = IF_SETCLR | amiga_intena_vals[irq];
return error;
}
void sun3_init_IRQ(void)
{
int i;
*sun3_intreg = 1;
for(i = 0; i < SYS_IRQS; i++)
{
if(dev_names[i])
sys_request_irq(i, sun3_default_handler[i],
0, dev_names[i], NULL);
}
for(i = 0; i < 192; i++)
sun3_vechandler[i] = NULL;
sun3_vechandler[191] = sun3_vec255;
}
void mac_init_IRQ(void)
{
int i;
#ifdef DEBUG_MACINTS
printk("mac_init_IRQ(): Setting things up...\n");
#endif
/* Initialize the IRQ handler lists. Initially each list is empty, */
for (i = 0; i < NUM_MAC_SOURCES; i++) {
mac_irq_list[i] = NULL;
}
scc_mask = 0;
/* Make sure the SONIC interrupt is cleared or things get ugly */
#ifdef SHUTUP_SONIC
printk("Killing onboard sonic... ");
/* This address should hopefully be mapped already */
if (hwreg_present((void*)(0x50f0a000))) {
*(long *)(0x50f0a014) = 0x7fffL;
*(long *)(0x50f0a010) = 0L;
}
printk("Done.\n");
#endif /* SHUTUP_SONIC */
/*
* Now register the handlers for the master IRQ handlers
* at levels 1-7. Most of the work is done elsewhere.
*/
if (oss_present) {
oss_register_interrupts();
} else {
via_register_interrupts();
}
if (psc_present) psc_register_interrupts();
if (baboon_present) baboon_register_interrupts();
iop_register_interrupts();
sys_request_irq(7, mac_nmi_handler, IRQ_FLG_LOCK, "NMI", mac_nmi_handler);
#ifdef DEBUG_MACINTS
printk("mac_init_IRQ(): Done!\n");
#endif
}
void __init iop_register_interrupts(void)
{
if (iop_ism_present) {
if (oss_present) {
sys_request_irq(OSS_IRQLEV_IOPISM, iop_ism_irq,
IRQ_FLG_LOCK, "ISM IOP",
(void *) IOP_NUM_ISM);
oss_irq_enable(IRQ_MAC_ADB);
} else {
request_irq(IRQ_VIA2_0, iop_ism_irq,
IRQ_FLG_LOCK|IRQ_FLG_FAST, "ISM IOP",
(void *) IOP_NUM_ISM);
}
if (!iop_alive(iop_base[IOP_NUM_ISM])) {
printk("IOP: oh my god, they killed the ISM IOP!\n");
} else {
printk("IOP: the ISM IOP seems to be alive.\n");
}
}
}
int sun3_request_irq(unsigned int irq, void (*handler)(int, void *, struct pt_regs *),
unsigned long flags, const char *devname, void *dev_id)
{
if(irq < SYS_IRQS) {
if(sun3_inthandler[irq] != NULL) {
printk("sun3_request_irq: request for irq %d -- already taken!\n", irq);
return 1;
}
sun3_inthandler[irq] = handler;
dev_ids[irq] = dev_id;
dev_names[irq] = devname;
/* setting devname would be nice */
sys_request_irq(irq, sun3_default_handler[irq], 0, devname, NULL);
return 0;
} else {
if((irq >= 64) && (irq <= 255)) {
int vec;
vec = irq - 64;
if(sun3_vechandler[vec] != NULL) {
printk("sun3_request_irq: request for vec %d -- already taken!\n", irq);
return 1;
}
sun3_vechandler[vec] = handler;
vec_ids[vec] = dev_id;
vec_names[vec] = devname;
vec_ints[vec] = 0;
return 0;
}
}
printk("sun3_request_irq: invalid irq %d\n", irq);
return 1;
}
int mac_request_irq(unsigned int irq,
irqreturn_t (*handler)(int, void *, struct pt_regs *),
unsigned long flags, const char *devname, void *dev_id)
{
irq_node_t *node;
#ifdef DEBUG_MACINTS
printk ("%s: irq %d requested for %s\n", __FUNCTION__, irq, devname);
#endif
if (irq < VIA1_SOURCE_BASE) {
return sys_request_irq(irq, handler, flags, devname, dev_id);
}
if (irq >= NUM_MAC_SOURCES) {
printk ("%s: unknown irq %d requested by %s\n",
__FUNCTION__, irq, devname);
}
/* Get a node and stick it onto the right list */
if (!(node = new_irq_node())) return -ENOMEM;
node->handler = handler;
node->flags = flags;
node->dev_id = dev_id;
node->devname = devname;
node->next = NULL;
mac_insert_irq(&mac_irq_list[irq], node);
/* Now enable the IRQ source */
mac_enable_irq(irq);
return 0;
}
