diff options
Diffstat (limited to 'include/linux/irq.h')
| -rw-r--r-- | include/linux/irq.h | 62 |
1 files changed, 33 insertions, 29 deletions
diff --git a/include/linux/irq.h b/include/linux/irq.h index 0832149cdb18..b48eae32dc61 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -24,41 +24,40 @@ /* * IRQ line status. + * + * Bits 0-16 are reserved for the IRQF_* bits in linux/interrupt.h + * + * IRQ types */ -#define IRQ_INPROGRESS 1 /* IRQ handler active - do not enter! */ -#define IRQ_DISABLED 2 /* IRQ disabled - do not enter! */ -#define IRQ_PENDING 4 /* IRQ pending - replay on enable */ -#define IRQ_REPLAY 8 /* IRQ has been replayed but not acked yet */ -#define IRQ_AUTODETECT 16 /* IRQ is being autodetected */ -#define IRQ_WAITING 32 /* IRQ not yet seen - for autodetection */ -#define IRQ_LEVEL 64 /* IRQ level triggered */ -#define IRQ_MASKED 128 /* IRQ masked - shouldn't be seen again */ +#define IRQ_TYPE_NONE 0x00000000 /* Default, unspecified type */ +#define IRQ_TYPE_EDGE_RISING 0x00000001 /* Edge rising type */ +#define IRQ_TYPE_EDGE_FALLING 0x00000002 /* Edge falling type */ +#define IRQ_TYPE_EDGE_BOTH (IRQ_TYPE_EDGE_FALLING | IRQ_TYPE_EDGE_RISING) +#define IRQ_TYPE_LEVEL_HIGH 0x00000004 /* Level high type */ +#define IRQ_TYPE_LEVEL_LOW 0x00000008 /* Level low type */ +#define IRQ_TYPE_SENSE_MASK 0x0000000f /* Mask of the above */ +#define IRQ_TYPE_PROBE 0x00000010 /* Probing in progress */ + +/* Internal flags */ +#define IRQ_INPROGRESS 0x00010000 /* IRQ handler active - do not enter! */ +#define IRQ_DISABLED 0x00020000 /* IRQ disabled - do not enter! */ +#define IRQ_PENDING 0x00040000 /* IRQ pending - replay on enable */ +#define IRQ_REPLAY 0x00080000 /* IRQ has been replayed but not acked yet */ +#define IRQ_AUTODETECT 0x00100000 /* IRQ is being autodetected */ +#define IRQ_WAITING 0x00200000 /* IRQ not yet seen - for autodetection */ +#define IRQ_LEVEL 0x00400000 /* IRQ level triggered */ +#define IRQ_MASKED 0x00800000 /* IRQ masked - shouldn't be seen again */ #ifdef CONFIG_IRQ_PER_CPU -# define IRQ_PER_CPU 256 /* IRQ is per CPU */ +# define IRQ_PER_CPU 0x01000000 /* IRQ is per CPU */ # define CHECK_IRQ_PER_CPU(var) ((var) & IRQ_PER_CPU) #else # define CHECK_IRQ_PER_CPU(var) 0 #endif -#define IRQ_NOPROBE 512 /* IRQ is not valid for probing */ -#define IRQ_NOREQUEST 1024 /* IRQ cannot be requested */ -#define IRQ_NOAUTOEN 2048 /* IRQ will not be enabled on request irq */ -#define IRQ_DELAYED_DISABLE \ - 4096 /* IRQ disable (masking) happens delayed. */ - -/* - * IRQ types, see also include/linux/interrupt.h - */ -#define IRQ_TYPE_NONE 0x0000 /* Default, unspecified type */ -#define IRQ_TYPE_EDGE_RISING 0x0001 /* Edge rising type */ -#define IRQ_TYPE_EDGE_FALLING 0x0002 /* Edge falling type */ -#define IRQ_TYPE_EDGE_BOTH (IRQ_TYPE_EDGE_FALLING | IRQ_TYPE_EDGE_RISING) -#define IRQ_TYPE_LEVEL_HIGH 0x0004 /* Level high type */ -#define IRQ_TYPE_LEVEL_LOW 0x0008 /* Level low type */ -#define IRQ_TYPE_SENSE_MASK 0x000f /* Mask of the above */ -#define IRQ_TYPE_SIMPLE 0x0010 /* Simple type */ -#define IRQ_TYPE_PERCPU 0x0020 /* Per CPU type */ -#define IRQ_TYPE_PROBE 0x0040 /* Probing in progress */ +#define IRQ_NOPROBE 0x02000000 /* IRQ is not valid for probing */ +#define IRQ_NOREQUEST 0x04000000 /* IRQ cannot be requested */ +#define IRQ_NOAUTOEN 0x08000000 /* IRQ will not be enabled on request irq */ +#define IRQ_DELAYED_DISABLE 0x10000000 /* IRQ disable (masking) happens delayed. */ struct proc_dir_entry; @@ -183,6 +182,10 @@ extern int setup_irq(unsigned int irq, struct irqaction *new); #ifdef CONFIG_GENERIC_HARDIRQS +#ifndef handle_dynamic_tick +# define handle_dynamic_tick(a) do { } while (0) +#endif + #ifdef CONFIG_SMP static inline void set_native_irq_info(int irq, cpumask_t mask) { @@ -348,8 +351,9 @@ extern int noirqdebug_setup(char *str); /* Checks whether the interrupt can be requested by request_irq(): */ extern int can_request_irq(unsigned int irq, unsigned long irqflags); -/* Dummy irq-chip implementation: */ +/* Dummy irq-chip implementations: */ extern struct irq_chip no_irq_chip; +extern struct irq_chip dummy_irq_chip; extern void set_irq_chip_and_handler(unsigned int irq, struct irq_chip *chip, |