aboutsummaryrefslogtreecommitdiff
path: root/include/asm-arm/mach
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-arm/mach')
-rw-r--r--include/asm-arm/mach/irq.h135
1 files changed, 33 insertions, 102 deletions
diff --git a/include/asm-arm/mach/irq.h b/include/asm-arm/mach/irq.h
index d4d420ecf3a..131f33733d2 100644
--- a/include/asm-arm/mach/irq.h
+++ b/include/asm-arm/mach/irq.h
@@ -10,95 +10,9 @@
#ifndef __ASM_ARM_MACH_IRQ_H
#define __ASM_ARM_MACH_IRQ_H
-struct irqdesc;
-struct pt_regs;
-struct seq_file;
-
-typedef void (*irq_handler_t)(unsigned int, struct irqdesc *, struct pt_regs *);
-typedef void (*irq_control_t)(unsigned int);
-
-struct irqchip {
- /*
- * Acknowledge the IRQ.
- * If this is a level-based IRQ, then it is expected to mask the IRQ
- * as well.
- */
- void (*ack)(unsigned int);
- /*
- * Mask the IRQ in hardware.
- */
- void (*mask)(unsigned int);
- /*
- * Unmask the IRQ in hardware.
- */
- void (*unmask)(unsigned int);
- /*
- * Ask the hardware to re-trigger the IRQ.
- * Note: This method _must_ _not_ call the interrupt handler.
- * If you are unable to retrigger the interrupt, do not
- * provide a function, or if you do, return non-zero.
- */
- int (*retrigger)(unsigned int);
- /*
- * Set the type of the IRQ.
- */
- int (*set_type)(unsigned int, unsigned int);
- /*
- * Set wakeup-enable on the selected IRQ
- */
- int (*set_wake)(unsigned int, unsigned int);
-
-#ifdef CONFIG_SMP
- /*
- * Route an interrupt to a CPU
- */
- void (*set_cpu)(struct irqdesc *desc, unsigned int irq, unsigned int cpu);
-#endif
-};
-
-struct irqdesc {
- irq_handler_t handle;
- struct irqchip *chip;
- struct irqaction *action;
- struct list_head pend;
- void __iomem *base;
- void *data;
- unsigned int disable_depth;
-
- unsigned int triggered: 1; /* IRQ has occurred */
- unsigned int running : 1; /* IRQ is running */
- unsigned int pending : 1; /* IRQ is pending */
- unsigned int probing : 1; /* IRQ in use for a probe */
- unsigned int probe_ok : 1; /* IRQ can be used for probe */
- unsigned int valid : 1; /* IRQ claimable */
- unsigned int noautoenable : 1; /* don't automatically enable IRQ */
- unsigned int unused :25;
-
- unsigned int irqs_unhandled;
- struct proc_dir_entry *procdir;
-
-#ifdef CONFIG_SMP
- cpumask_t affinity;
- unsigned int cpu;
-#endif
-
- /*
- * IRQ lock detection
- */
- unsigned int lck_cnt;
- unsigned int lck_pc;
- unsigned int lck_jif;
-};
-
-extern struct irqdesc irq_desc[];
+#include <linux/irq.h>
-/*
- * Helpful inline function for calling irq descriptor handlers.
- */
-static inline void desc_handle_irq(unsigned int irq, struct irqdesc *desc, struct pt_regs *regs)
-{
- desc->handle(irq, desc, regs);
-}
+struct seq_file;
/*
* This is internal. Do not use it.
@@ -106,18 +20,22 @@ static inline void desc_handle_irq(unsigned int irq, struct irqdesc *desc, struc
extern void (*init_arch_irq)(void);
extern void init_FIQ(void);
extern int show_fiq_list(struct seq_file *, void *);
-void __set_irq_handler(unsigned int irq, irq_handler_t, int);
/*
- * External stuff.
+ * Function wrappers
+ */
+#define set_irq_chipdata(irq, d) set_irq_chip_data(irq, d)
+#define get_irq_chipdata(irq) get_irq_chip_data(irq)
+
+/*
+ * Obsolete inline function for calling irq descriptor handlers.
*/
-#define set_irq_handler(irq,handler) __set_irq_handler(irq,handler,0)
-#define set_irq_chained_handler(irq,handler) __set_irq_handler(irq,handler,1)
-#define set_irq_data(irq,d) do { irq_desc[irq].data = d; } while (0)
-#define set_irq_chipdata(irq,d) do { irq_desc[irq].base = d; } while (0)
-#define get_irq_chipdata(irq) (irq_desc[irq].base)
+static inline void desc_handle_irq(unsigned int irq, struct irq_desc *desc,
+ struct pt_regs *regs)
+{
+ desc->handle_irq(irq, desc, regs);
+}
-void set_irq_chip(unsigned int irq, struct irqchip *);
void set_irq_flags(unsigned int irq, unsigned int flags);
#define IRQF_VALID (1 << 0)
@@ -125,12 +43,25 @@ void set_irq_flags(unsigned int irq, unsigned int flags);
#define IRQF_NOAUTOEN (1 << 2)
/*
- * Built-in IRQ handlers.
+ * This is for easy migration, but should be changed in the source
*/
-void do_level_IRQ(unsigned int irq, struct irqdesc *desc, struct pt_regs *regs);
-void do_edge_IRQ(unsigned int irq, struct irqdesc *desc, struct pt_regs *regs);
-void do_simple_IRQ(unsigned int irq, struct irqdesc *desc, struct pt_regs *regs);
-void do_bad_IRQ(unsigned int irq, struct irqdesc *desc, struct pt_regs *regs);
-void dummy_mask_unmask_irq(unsigned int irq);
+#define do_level_IRQ handle_level_irq
+#define do_edge_IRQ handle_edge_irq
+#define do_simple_IRQ handle_simple_irq
+#define irqdesc irq_desc
+#define irqchip irq_chip
+
+#define do_bad_IRQ(irq,desc,regs) \
+do { \
+ spin_lock(&desc->lock); \
+ handle_bad_irq(irq, desc, regs); \
+ spin_unlock(&desc->lock); \
+} while(0)
+
+extern unsigned long irq_err_count;
+static inline void ack_bad_irq(int irq)
+{
+ irq_err_count++;
+}
#endif