[PATCH] m68k: convert mac 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>
This commit is contained in:
parent
35353bb8b8
commit
9c5f4afdfb
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@ -81,7 +81,7 @@ irqreturn_t baboon_irq(int irq, void *dev_id, struct pt_regs *regs)
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for (i = 0, irq_bit = 1 ; i < 3 ; i++, irq_bit <<= 1) {
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if (events & irq_bit/* & baboon_active*/) {
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baboon_active &= ~irq_bit;
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mac_do_irq_list(IRQ_BABOON_0 + i, regs);
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m68k_handle_int(IRQ_BABOON_0 + i, regs);
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baboon_active |= irq_bit;
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baboon->mb_ifr &= ~irq_bit;
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}
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@ -169,12 +169,7 @@ void __init config_mac(void)
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mach_sched_init = mac_sched_init;
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mach_init_IRQ = mac_init_IRQ;
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mach_request_irq = mac_request_irq;
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mach_free_irq = mac_free_irq;
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enable_irq = mac_enable_irq;
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disable_irq = mac_disable_irq;
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mach_get_model = mac_get_model;
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mach_get_irq_list = show_mac_interrupts;
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mach_gettimeoffset = mac_gettimeoffset;
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#warning move to adb/via init
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#if 0
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@ -317,7 +317,7 @@ void __init iop_register_interrupts(void)
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{
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if (iop_ism_present) {
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if (oss_present) {
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cpu_request_irq(OSS_IRQLEV_IOPISM, iop_ism_irq,
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request_irq(OSS_IRQLEV_IOPISM, iop_ism_irq,
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IRQ_FLG_LOCK, "ISM IOP",
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(void *) IOP_NUM_ISM);
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oss_irq_enable(IRQ_MAC_ADB);
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@ -137,14 +137,6 @@
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#define DEBUG_SPURIOUS
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#define SHUTUP_SONIC
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/*
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* The mac_irq_list array is an array of linked lists of irq_node_t nodes.
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* Each node contains one handler to be called whenever the interrupt
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* occurs, with fast handlers listed before slow handlers.
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*/
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irq_node_t *mac_irq_list[NUM_MAC_SOURCES];
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/* SCC interrupt mask */
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static int scc_mask;
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@ -209,8 +201,8 @@ extern int baboon_irq_pending(int);
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* SCC interrupt routines
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*/
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static void scc_irq_enable(int);
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static void scc_irq_disable(int);
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static void scc_irq_enable(unsigned int);
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static void scc_irq_disable(unsigned int);
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/*
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* console_loglevel determines NMI handler function
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@ -221,21 +213,25 @@ irqreturn_t mac_debug_handler(int, void *, struct pt_regs *);
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/* #define DEBUG_MACINTS */
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static void mac_enable_irq(unsigned int irq);
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static void mac_disable_irq(unsigned int irq);
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static struct irq_controller mac_irq_controller = {
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.name = "mac",
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.lock = SPIN_LOCK_UNLOCKED,
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.enable = mac_enable_irq,
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.disable = mac_disable_irq,
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};
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void mac_init_IRQ(void)
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{
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int i;
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#ifdef DEBUG_MACINTS
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printk("mac_init_IRQ(): Setting things up...\n");
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#endif
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/* Initialize the IRQ handler lists. Initially each list is empty, */
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for (i = 0; i < NUM_MAC_SOURCES; i++) {
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mac_irq_list[i] = NULL;
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}
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scc_mask = 0;
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m68k_setup_irq_controller(&mac_irq_controller, IRQ_USER,
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NUM_MAC_SOURCES - IRQ_USER);
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/* Make sure the SONIC interrupt is cleared or things get ugly */
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#ifdef SHUTUP_SONIC
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printk("Killing onboard sonic... ");
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@ -252,119 +248,22 @@ void mac_init_IRQ(void)
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* at levels 1-7. Most of the work is done elsewhere.
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*/
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if (oss_present) {
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if (oss_present)
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oss_register_interrupts();
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} else {
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else
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via_register_interrupts();
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}
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if (psc_present) psc_register_interrupts();
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if (baboon_present) baboon_register_interrupts();
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if (psc_present)
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psc_register_interrupts();
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if (baboon_present)
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baboon_register_interrupts();
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iop_register_interrupts();
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cpu_request_irq(7, mac_nmi_handler, IRQ_FLG_LOCK, "NMI",
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request_irq(IRQ_AUTO_7, mac_nmi_handler, 0, "NMI",
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mac_nmi_handler);
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#ifdef DEBUG_MACINTS
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printk("mac_init_IRQ(): Done!\n");
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#endif
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}
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/*
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* Routines to work with irq_node_t's on linked lists lifted from
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* the Amiga code written by Roman Zippel.
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*/
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static inline void mac_insert_irq(irq_node_t **list, irq_node_t *node)
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{
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unsigned long flags;
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irq_node_t *cur;
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if (!node->dev_id)
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printk("%s: Warning: dev_id of %s is zero\n",
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__FUNCTION__, node->devname);
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local_irq_save(flags);
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cur = *list;
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if (node->flags & IRQ_FLG_FAST) {
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node->flags &= ~IRQ_FLG_SLOW;
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while (cur && cur->flags & IRQ_FLG_FAST) {
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list = &cur->next;
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cur = cur->next;
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}
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} else if (node->flags & IRQ_FLG_SLOW) {
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while (cur) {
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list = &cur->next;
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cur = cur->next;
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}
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} else {
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while (cur && !(cur->flags & IRQ_FLG_SLOW)) {
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list = &cur->next;
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cur = cur->next;
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}
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}
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node->next = cur;
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*list = node;
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local_irq_restore(flags);
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}
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static inline void mac_delete_irq(irq_node_t **list, void *dev_id)
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{
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unsigned long flags;
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irq_node_t *node;
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local_irq_save(flags);
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for (node = *list; node; list = &node->next, node = *list) {
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if (node->dev_id == dev_id) {
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*list = node->next;
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/* Mark it as free. */
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node->handler = NULL;
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local_irq_restore(flags);
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return;
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}
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}
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local_irq_restore(flags);
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printk ("%s: tried to remove invalid irq\n", __FUNCTION__);
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}
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/*
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* Call all the handlers for a given interrupt. Fast handlers are called
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* first followed by slow handlers.
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*
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* This code taken from the original Amiga code written by Roman Zippel.
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*/
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void mac_do_irq_list(int irq, struct pt_regs *fp)
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{
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irq_node_t *node, *slow_nodes;
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unsigned long flags;
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kstat_cpu(0).irqs[irq]++;
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#ifdef DEBUG_SPURIOUS
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if (!mac_irq_list[irq] && (console_loglevel > 7)) {
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printk("mac_do_irq_list: spurious interrupt %d!\n", irq);
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return;
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}
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#endif
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/* serve first fast and normal handlers */
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for (node = mac_irq_list[irq];
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node && (!(node->flags & IRQ_FLG_SLOW));
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node = node->next)
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node->handler(irq, node->dev_id, fp);
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if (!node) return;
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local_save_flags(flags);
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local_irq_restore((flags & ~0x0700) | (fp->sr & 0x0700));
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/* if slow handlers exists, serve them now */
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slow_nodes = node;
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for (; node; node = node->next) {
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node->handler(irq, node->dev_id, fp);
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}
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}
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/*
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* mac_enable_irq - enable an interrupt source
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* mac_disable_irq - disable an interrupt source
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@ -374,265 +273,120 @@ void mac_do_irq_list(int irq, struct pt_regs *fp)
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* These routines are just dispatchers to the VIA/OSS/PSC routines.
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*/
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void mac_enable_irq (unsigned int irq)
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static void mac_enable_irq(unsigned int irq)
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{
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int irq_src = IRQ_SRC(irq);
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int irq_src = IRQ_SRC(irq);
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switch(irq_src) {
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case 1: via_irq_enable(irq);
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break;
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case 2:
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case 7: if (oss_present) {
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oss_irq_enable(irq);
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} else {
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via_irq_enable(irq);
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}
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break;
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case 3:
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case 4:
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case 5:
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case 6: if (psc_present) {
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psc_irq_enable(irq);
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} else if (oss_present) {
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oss_irq_enable(irq);
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} else if (irq_src == 4) {
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scc_irq_enable(irq);
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}
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break;
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case 8: if (baboon_present) {
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baboon_irq_enable(irq);
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}
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break;
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case 1:
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via_irq_enable(irq);
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break;
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case 2:
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case 7:
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if (oss_present)
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oss_irq_enable(irq);
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else
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via_irq_enable(irq);
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break;
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case 3:
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case 4:
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case 5:
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case 6:
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if (psc_present)
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psc_irq_enable(irq);
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else if (oss_present)
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oss_irq_enable(irq);
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else if (irq_src == 4)
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scc_irq_enable(irq);
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break;
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case 8:
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if (baboon_present)
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baboon_irq_enable(irq);
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break;
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}
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}
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void mac_disable_irq (unsigned int irq)
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static void mac_disable_irq(unsigned int irq)
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{
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int irq_src = IRQ_SRC(irq);
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int irq_src = IRQ_SRC(irq);
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switch(irq_src) {
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case 1: via_irq_disable(irq);
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break;
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case 2:
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case 7: if (oss_present) {
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oss_irq_disable(irq);
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} else {
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via_irq_disable(irq);
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}
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break;
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case 3:
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case 4:
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case 5:
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case 6: if (psc_present) {
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psc_irq_disable(irq);
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} else if (oss_present) {
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oss_irq_disable(irq);
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} else if (irq_src == 4) {
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scc_irq_disable(irq);
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}
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break;
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case 8: if (baboon_present) {
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baboon_irq_disable(irq);
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}
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break;
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case 1:
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via_irq_disable(irq);
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break;
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case 2:
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case 7:
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if (oss_present)
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oss_irq_disable(irq);
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else
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via_irq_disable(irq);
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break;
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case 3:
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case 4:
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case 5:
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case 6:
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if (psc_present)
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psc_irq_disable(irq);
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else if (oss_present)
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oss_irq_disable(irq);
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else if (irq_src == 4)
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scc_irq_disable(irq);
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break;
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case 8:
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if (baboon_present)
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baboon_irq_disable(irq);
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break;
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}
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}
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void mac_clear_irq( unsigned int irq )
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void mac_clear_irq(unsigned int irq)
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{
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switch(IRQ_SRC(irq)) {
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case 1: via_irq_clear(irq);
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break;
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case 2:
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case 7: if (oss_present) {
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oss_irq_clear(irq);
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} else {
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via_irq_clear(irq);
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}
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break;
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case 3:
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case 4:
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case 5:
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case 6: if (psc_present) {
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psc_irq_clear(irq);
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} else if (oss_present) {
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oss_irq_clear(irq);
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}
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break;
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case 8: if (baboon_present) {
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baboon_irq_clear(irq);
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}
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break;
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case 1:
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via_irq_clear(irq);
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break;
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case 2:
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case 7:
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if (oss_present)
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oss_irq_clear(irq);
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else
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via_irq_clear(irq);
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break;
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case 3:
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case 4:
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case 5:
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case 6:
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if (psc_present)
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psc_irq_clear(irq);
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else if (oss_present)
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oss_irq_clear(irq);
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break;
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case 8:
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if (baboon_present)
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baboon_irq_clear(irq);
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break;
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}
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}
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int mac_irq_pending( unsigned int irq )
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int mac_irq_pending(unsigned int irq)
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{
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switch(IRQ_SRC(irq)) {
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case 1: return via_irq_pending(irq);
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case 2:
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case 7: if (oss_present) {
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return oss_irq_pending(irq);
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} else {
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return via_irq_pending(irq);
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}
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case 3:
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case 4:
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case 5:
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case 6: if (psc_present) {
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return psc_irq_pending(irq);
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} else if (oss_present) {
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return oss_irq_pending(irq);
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}
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}
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return 0;
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}
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/*
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* Add an interrupt service routine to an interrupt source.
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* Returns 0 on success.
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*
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* FIXME: You can register interrupts on nonexistent source (ie PSC4 on a
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* non-PSC machine). We should return -EINVAL in those cases.
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*/
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int mac_request_irq(unsigned int irq,
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irqreturn_t (*handler)(int, void *, struct pt_regs *),
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unsigned long flags, const char *devname, void *dev_id)
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{
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irq_node_t *node;
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#ifdef DEBUG_MACINTS
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printk ("%s: irq %d requested for %s\n", __FUNCTION__, irq, devname);
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#endif
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if (irq < VIA1_SOURCE_BASE) {
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return cpu_request_irq(irq, handler, flags, devname, dev_id);
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}
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if (irq >= NUM_MAC_SOURCES) {
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printk ("%s: unknown irq %d requested by %s\n",
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__FUNCTION__, irq, devname);
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}
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/* Get a node and stick it onto the right list */
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if (!(node = new_irq_node())) return -ENOMEM;
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node->handler = handler;
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node->flags = flags;
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node->dev_id = dev_id;
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node->devname = devname;
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node->next = NULL;
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mac_insert_irq(&mac_irq_list[irq], node);
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/* Now enable the IRQ source */
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mac_enable_irq(irq);
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return 0;
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}
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/*
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* Removes an interrupt service routine from an interrupt source.
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*/
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void mac_free_irq(unsigned int irq, void *dev_id)
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{
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#ifdef DEBUG_MACINTS
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printk ("%s: irq %d freed by %p\n", __FUNCTION__, irq, dev_id);
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#endif
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if (irq < VIA1_SOURCE_BASE) {
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cpu_free_irq(irq, dev_id);
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return;
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}
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if (irq >= NUM_MAC_SOURCES) {
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printk ("%s: unknown irq %d freed\n",
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__FUNCTION__, irq);
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return;
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}
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mac_delete_irq(&mac_irq_list[irq], dev_id);
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/* If the list for this interrupt is */
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/* empty then disable the source. */
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if (!mac_irq_list[irq]) {
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mac_disable_irq(irq);
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}
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}
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/*
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* Generate a pretty listing for /proc/interrupts
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*
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* By the time we're called the autovector interrupt list has already been
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* generated, so we just need to do the machspec interrupts.
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*
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* 990506 (jmt) - rewritten to handle chained machspec interrupt handlers.
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* Also removed display of num_spurious it is already
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* displayed for us as autovector irq 0.
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*/
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int show_mac_interrupts(struct seq_file *p, void *v)
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{
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int i;
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irq_node_t *node;
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char *base;
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/* Don't do Nubus interrupts in this loop; we do them separately */
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||||
/* below so that we can print slot numbers instead of IRQ numbers */
|
||||
|
||||
for (i = VIA1_SOURCE_BASE ; i < NUM_MAC_SOURCES ; ++i) {
|
||||
|
||||
/* Nonexistant interrupt or nothing registered; skip it. */
|
||||
|
||||
if ((node = mac_irq_list[i]) == NULL) continue;
|
||||
if (node->flags & IRQ_FLG_STD) continue;
|
||||
|
||||
base = "";
|
||||
switch(IRQ_SRC(i)) {
|
||||
case 1: base = "via1";
|
||||
break;
|
||||
case 2: if (oss_present) {
|
||||
base = "oss";
|
||||
} else {
|
||||
base = "via2";
|
||||
}
|
||||
break;
|
||||
case 3:
|
||||
case 4:
|
||||
case 5:
|
||||
case 6: if (psc_present) {
|
||||
base = "psc";
|
||||
} else if (oss_present) {
|
||||
base = "oss";
|
||||
} else {
|
||||
if (IRQ_SRC(i) == 4) base = "scc";
|
||||
}
|
||||
break;
|
||||
case 7: base = "nbus";
|
||||
break;
|
||||
case 8: base = "bbn";
|
||||
break;
|
||||
}
|
||||
seq_printf(p, "%4s %2d: %10u ", base, i, kstat_cpu(0).irqs[i]);
|
||||
|
||||
do {
|
||||
if (node->flags & IRQ_FLG_FAST) {
|
||||
seq_puts(p, "F ");
|
||||
} else if (node->flags & IRQ_FLG_SLOW) {
|
||||
seq_puts(p, "S ");
|
||||
} else {
|
||||
seq_puts(p, " ");
|
||||
}
|
||||
seq_printf(p, "%s\n", node->devname);
|
||||
if ((node = node->next)) {
|
||||
seq_puts(p, " ");
|
||||
}
|
||||
} while(node);
|
||||
|
||||
case 1:
|
||||
return via_irq_pending(irq);
|
||||
case 2:
|
||||
case 7:
|
||||
if (oss_present)
|
||||
return oss_irq_pending(irq);
|
||||
else
|
||||
return via_irq_pending(irq);
|
||||
case 3:
|
||||
case 4:
|
||||
case 5:
|
||||
case 6:
|
||||
if (psc_present)
|
||||
return psc_irq_pending(irq);
|
||||
else if (oss_present)
|
||||
return oss_irq_pending(irq);
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
@ -676,7 +430,7 @@ irqreturn_t mac_nmi_handler(int irq, void *dev_id, struct pt_regs *fp)
|
|||
while (nmi_hold == 1)
|
||||
udelay(1000);
|
||||
|
||||
if ( console_loglevel >= 8 ) {
|
||||
if (console_loglevel >= 8) {
|
||||
#if 0
|
||||
show_state();
|
||||
printk("PC: %08lx\nSR: %04x SP: %p\n", fp->pc, fp->sr, fp);
|
||||
|
@ -705,14 +459,16 @@ irqreturn_t mac_nmi_handler(int irq, void *dev_id, struct pt_regs *fp)
|
|||
* done in hardware (only the PSC can do that.)
|
||||
*/
|
||||
|
||||
static void scc_irq_enable(int irq) {
|
||||
int irq_idx = IRQ_IDX(irq);
|
||||
static void scc_irq_enable(unsigned int irq)
|
||||
{
|
||||
int irq_idx = IRQ_IDX(irq);
|
||||
|
||||
scc_mask |= (1 << irq_idx);
|
||||
}
|
||||
|
||||
static void scc_irq_disable(int irq) {
|
||||
int irq_idx = IRQ_IDX(irq);
|
||||
static void scc_irq_disable(unsigned int irq)
|
||||
{
|
||||
int irq_idx = IRQ_IDX(irq);
|
||||
|
||||
scc_mask &= ~(1 << irq_idx);
|
||||
}
|
||||
|
@ -747,6 +503,8 @@ void mac_scc_dispatch(int irq, void *dev_id, struct pt_regs *regs)
|
|||
/* and since they're autovector interrupts they */
|
||||
/* pretty much kill the system. */
|
||||
|
||||
if (reg & 0x38) mac_do_irq_list(IRQ_SCCA, regs);
|
||||
if (reg & 0x07) mac_do_irq_list(IRQ_SCCB, regs);
|
||||
if (reg & 0x38)
|
||||
m68k_handle_int(IRQ_SCCA, regs);
|
||||
if (reg & 0x07)
|
||||
m68k_handle_int(IRQ_SCCB, regs);
|
||||
}
|
||||
|
|
|
@ -67,15 +67,15 @@ void __init oss_init(void)
|
|||
|
||||
void __init oss_register_interrupts(void)
|
||||
{
|
||||
cpu_request_irq(OSS_IRQLEV_SCSI, oss_irq, IRQ_FLG_LOCK,
|
||||
request_irq(OSS_IRQLEV_SCSI, oss_irq, IRQ_FLG_LOCK,
|
||||
"scsi", (void *) oss);
|
||||
cpu_request_irq(OSS_IRQLEV_IOPSCC, mac_scc_dispatch, IRQ_FLG_LOCK,
|
||||
request_irq(OSS_IRQLEV_IOPSCC, mac_scc_dispatch, IRQ_FLG_LOCK,
|
||||
"scc", mac_scc_dispatch);
|
||||
cpu_request_irq(OSS_IRQLEV_NUBUS, oss_nubus_irq, IRQ_FLG_LOCK,
|
||||
request_irq(OSS_IRQLEV_NUBUS, oss_nubus_irq, IRQ_FLG_LOCK,
|
||||
"nubus", (void *) oss);
|
||||
cpu_request_irq(OSS_IRQLEV_SOUND, oss_irq, IRQ_FLG_LOCK,
|
||||
request_irq(OSS_IRQLEV_SOUND, oss_irq, IRQ_FLG_LOCK,
|
||||
"sound", (void *) oss);
|
||||
cpu_request_irq(OSS_IRQLEV_VIA1, via1_irq, IRQ_FLG_LOCK,
|
||||
request_irq(OSS_IRQLEV_VIA1, via1_irq, IRQ_FLG_LOCK,
|
||||
"via1", (void *) via1);
|
||||
}
|
||||
|
||||
|
@ -113,7 +113,7 @@ irqreturn_t oss_irq(int irq, void *dev_id, struct pt_regs *regs)
|
|||
oss->irq_pending &= ~OSS_IP_SOUND;
|
||||
} else if (events & OSS_IP_SCSI) {
|
||||
oss->irq_level[OSS_SCSI] = OSS_IRQLEV_DISABLED;
|
||||
mac_do_irq_list(IRQ_MAC_SCSI, regs);
|
||||
m68k_handle_int(IRQ_MAC_SCSI, regs);
|
||||
oss->irq_pending &= ~OSS_IP_SCSI;
|
||||
oss->irq_level[OSS_SCSI] = OSS_IRQLEV_SCSI;
|
||||
} else {
|
||||
|
@ -146,7 +146,7 @@ irqreturn_t oss_nubus_irq(int irq, void *dev_id, struct pt_regs *regs)
|
|||
for (i = 0, irq_bit = 1 ; i < 6 ; i++, irq_bit <<= 1) {
|
||||
if (events & irq_bit) {
|
||||
oss->irq_level[i] = OSS_IRQLEV_DISABLED;
|
||||
mac_do_irq_list(NUBUS_SOURCE_BASE + i, regs);
|
||||
m68k_handle_int(NUBUS_SOURCE_BASE + i, regs);
|
||||
oss->irq_pending &= ~irq_bit;
|
||||
oss->irq_level[i] = OSS_IRQLEV_NUBUS;
|
||||
}
|
||||
|
|
|
@ -117,10 +117,10 @@ void __init psc_init(void)
|
|||
|
||||
void __init psc_register_interrupts(void)
|
||||
{
|
||||
cpu_request_irq(3, psc_irq, IRQ_FLG_LOCK, "psc3", (void *) 0x30);
|
||||
cpu_request_irq(4, psc_irq, IRQ_FLG_LOCK, "psc4", (void *) 0x40);
|
||||
cpu_request_irq(5, psc_irq, IRQ_FLG_LOCK, "psc5", (void *) 0x50);
|
||||
cpu_request_irq(6, psc_irq, IRQ_FLG_LOCK, "psc6", (void *) 0x60);
|
||||
request_irq(IRQ_AUTO_3, psc_irq, 0, "psc3", (void *) 0x30);
|
||||
request_irq(IRQ_AUTO_4, psc_irq, 0, "psc4", (void *) 0x40);
|
||||
request_irq(IRQ_AUTO_5, psc_irq, 0, "psc5", (void *) 0x50);
|
||||
request_irq(IRQ_AUTO_6, psc_irq, 0, "psc6", (void *) 0x60);
|
||||
}
|
||||
|
||||
/*
|
||||
|
@ -149,7 +149,7 @@ irqreturn_t psc_irq(int irq, void *dev_id, struct pt_regs *regs)
|
|||
for (i = 0, irq_bit = 1 ; i < 4 ; i++, irq_bit <<= 1) {
|
||||
if (events & irq_bit) {
|
||||
psc_write_byte(pIER, irq_bit);
|
||||
mac_do_irq_list(base_irq + i, regs);
|
||||
m68k_handle_int(base_irq + i, regs);
|
||||
psc_write_byte(pIFR, irq_bit);
|
||||
psc_write_byte(pIER, irq_bit | 0x80);
|
||||
}
|
||||
|
|
|
@ -253,21 +253,21 @@ void __init via_init_clock(irqreturn_t (*func)(int, void *, struct pt_regs *))
|
|||
void __init via_register_interrupts(void)
|
||||
{
|
||||
if (via_alt_mapping) {
|
||||
cpu_request_irq(IRQ_AUTO_1, via1_irq,
|
||||
request_irq(IRQ_AUTO_1, via1_irq,
|
||||
IRQ_FLG_LOCK|IRQ_FLG_FAST, "software",
|
||||
(void *) via1);
|
||||
cpu_request_irq(IRQ_AUTO_6, via1_irq,
|
||||
request_irq(IRQ_AUTO_6, via1_irq,
|
||||
IRQ_FLG_LOCK|IRQ_FLG_FAST, "via1",
|
||||
(void *) via1);
|
||||
} else {
|
||||
cpu_request_irq(IRQ_AUTO_1, via1_irq,
|
||||
request_irq(IRQ_AUTO_1, via1_irq,
|
||||
IRQ_FLG_LOCK|IRQ_FLG_FAST, "via1",
|
||||
(void *) via1);
|
||||
}
|
||||
cpu_request_irq(IRQ_AUTO_2, via2_irq, IRQ_FLG_LOCK|IRQ_FLG_FAST,
|
||||
request_irq(IRQ_AUTO_2, via2_irq, IRQ_FLG_LOCK|IRQ_FLG_FAST,
|
||||
"via2", (void *) via2);
|
||||
if (!psc_present) {
|
||||
cpu_request_irq(IRQ_AUTO_4, mac_scc_dispatch, IRQ_FLG_LOCK,
|
||||
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 +424,7 @@ 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;
|
||||
mac_do_irq_list(VIA1_SOURCE_BASE + i, regs);
|
||||
m68k_handle_int(VIA1_SOURCE_BASE + i, regs);
|
||||
via1[vIFR] = irq_bit;
|
||||
via1[vIER] = irq_bit | 0x80;
|
||||
}
|
||||
|
@ -439,7 +439,7 @@ 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);
|
||||
mac_do_irq_list(IRQ_MAC_NUBUS, regs);
|
||||
m68k_handle_int(IRQ_MAC_NUBUS, regs);
|
||||
via_irq_enable(IRQ_MAC_NUBUS);
|
||||
}
|
||||
#endif
|
||||
|
@ -459,7 +459,7 @@ irqreturn_t via2_irq(int irq, void *dev_id, struct pt_regs *regs)
|
|||
if (events & irq_bit) {
|
||||
via2[gIER] = irq_bit;
|
||||
via2[gIFR] = irq_bit | rbv_clear;
|
||||
mac_do_irq_list(VIA2_SOURCE_BASE + i, regs);
|
||||
m68k_handle_int(VIA2_SOURCE_BASE + i, regs);
|
||||
via2[gIER] = irq_bit | 0x80;
|
||||
}
|
||||
return IRQ_HANDLED;
|
||||
|
@ -481,7 +481,7 @@ 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);
|
||||
mac_do_irq_list(NUBUS_SOURCE_BASE + i, regs);
|
||||
m68k_handle_int(NUBUS_SOURCE_BASE + i, regs);
|
||||
via_irq_enable(NUBUS_SOURCE_BASE + i);
|
||||
}
|
||||
}
|
||||
|
|
|
@ -43,9 +43,6 @@
|
|||
|
||||
/* #define DEBUG_MAC_ESP */
|
||||
|
||||
#define mac_turnon_irq(x) mac_enable_irq(x)
|
||||
#define mac_turnoff_irq(x) mac_disable_irq(x)
|
||||
|
||||
extern void esp_handle(struct NCR_ESP *esp);
|
||||
extern void mac_esp_intr(int irq, void *dev_id, struct pt_regs *pregs);
|
||||
|
||||
|
@ -639,13 +636,13 @@ static void dma_init_write(struct NCR_ESP * esp, char * vaddress, int length)
|
|||
|
||||
static void dma_ints_off(struct NCR_ESP * esp)
|
||||
{
|
||||
mac_turnoff_irq(esp->irq);
|
||||
disable_irq(esp->irq);
|
||||
}
|
||||
|
||||
|
||||
static void dma_ints_on(struct NCR_ESP * esp)
|
||||
{
|
||||
mac_turnon_irq(esp->irq);
|
||||
enable_irq(esp->irq);
|
||||
}
|
||||
|
||||
/*
|
||||
|
|
|
@ -65,9 +65,6 @@
|
|||
#define RESET_BOOT
|
||||
#define DRIVER_SETUP
|
||||
|
||||
#define ENABLE_IRQ() mac_enable_irq( IRQ_MAC_SCSI );
|
||||
#define DISABLE_IRQ() mac_disable_irq( IRQ_MAC_SCSI );
|
||||
|
||||
extern void via_scsi_clear(void);
|
||||
|
||||
#ifdef RESET_BOOT
|
||||
|
@ -351,7 +348,7 @@ static void mac_scsi_reset_boot(struct Scsi_Host *instance)
|
|||
printk(KERN_INFO "Macintosh SCSI: resetting the SCSI bus..." );
|
||||
|
||||
/* switch off SCSI IRQ - catch an interrupt without IRQ bit set else */
|
||||
mac_disable_irq(IRQ_MAC_SCSI);
|
||||
disable_irq(IRQ_MAC_SCSI);
|
||||
|
||||
/* get in phase */
|
||||
NCR5380_write( TARGET_COMMAND_REG,
|
||||
|
@ -369,7 +366,7 @@ static void mac_scsi_reset_boot(struct Scsi_Host *instance)
|
|||
barrier();
|
||||
|
||||
/* switch on SCSI IRQ again */
|
||||
mac_enable_irq(IRQ_MAC_SCSI);
|
||||
enable_irq(IRQ_MAC_SCSI);
|
||||
|
||||
printk(KERN_INFO " done\n" );
|
||||
}
|
||||
|
|
|
@ -69,12 +69,12 @@
|
|||
|
||||
#define OSS_IRQLEV_DISABLED 0
|
||||
#define OSS_IRQLEV_IOPISM 1 /* ADB? */
|
||||
#define OSS_IRQLEV_SCSI 2
|
||||
#define OSS_IRQLEV_NUBUS 3 /* keep this on its own level */
|
||||
#define OSS_IRQLEV_IOPSCC 4 /* matches VIA alternate mapping */
|
||||
#define OSS_IRQLEV_SOUND 5 /* matches VIA alternate mapping */
|
||||
#define OSS_IRQLEV_SCSI IRQ_AUTO_2
|
||||
#define OSS_IRQLEV_NUBUS IRQ_AUTO_3 /* keep this on its own level */
|
||||
#define OSS_IRQLEV_IOPSCC IRQ_AUTO_4 /* matches VIA alternate mapping */
|
||||
#define OSS_IRQLEV_SOUND IRQ_AUTO_5 /* matches VIA alternate mapping */
|
||||
#define OSS_IRQLEV_60HZ 6 /* matches VIA alternate mapping */
|
||||
#define OSS_IRQLEV_VIA1 6 /* matches VIA alternate mapping */
|
||||
#define OSS_IRQLEV_VIA1 IRQ_AUTO_6 /* matches VIA alternate mapping */
|
||||
#define OSS_IRQLEV_PARITY 7 /* matches VIA alternate mapping */
|
||||
|
||||
#ifndef __ASSEMBLY__
|
||||
|
|
|
@ -11,17 +11,7 @@
|
|||
extern void mac_reset(void);
|
||||
extern void mac_poweroff(void);
|
||||
extern void mac_init_IRQ(void);
|
||||
extern int mac_request_irq (unsigned int, irqreturn_t (*)(int, void *,
|
||||
struct pt_regs *),
|
||||
unsigned long, const char *, void *);
|
||||
extern void mac_free_irq(unsigned int, void *);
|
||||
extern void mac_enable_irq(unsigned int);
|
||||
extern void mac_disable_irq(unsigned int);
|
||||
extern int mac_irq_pending(unsigned int);
|
||||
extern int show_mac_interrupts(struct seq_file *, void *);
|
||||
#if 0
|
||||
extern void mac_default_handler(int irq);
|
||||
#endif
|
||||
extern void mac_identify(void);
|
||||
extern void mac_report_hardware(void);
|
||||
extern void mac_debugging_penguin(int);
|
||||
|
|
|
@ -152,7 +152,4 @@
|
|||
#define INT_CLK 24576 /* CLK while int_clk =2.456MHz and divide = 100 */
|
||||
#define INT_TICKS 246 /* to make sched_time = 99.902... HZ */
|
||||
|
||||
extern irq_node_t *mac_irq_list[NUM_MAC_SOURCES];
|
||||
extern void mac_do_irq_list(int irq, struct pt_regs *);
|
||||
|
||||
#endif /* asm/macints.h */
|
||||
|
|
Loading…
Reference in New Issue