[mirror_ubuntu-artful-kernel.git] / include / linux / htirq.h

#ifndef LINUX_HTIRQ_H
#define LINUX_HTIRQ_H

struct pci_dev;
struct irq_data;

struct ht_irq_msg {
	u32	address_lo;	/* low 32 bits of the ht irq message */
	u32	address_hi;	/* high 32 bits of the it irq message */
};

typedef void (ht_irq_update_t)(struct pci_dev *dev, int irq,
			       struct ht_irq_msg *msg);

struct ht_irq_cfg {
	struct pci_dev *dev;
	 /* Update callback used to cope with buggy hardware */
	ht_irq_update_t *update;
	unsigned pos;
	unsigned idx;
	struct ht_irq_msg msg;
};

/* Helper functions.. */
void fetch_ht_irq_msg(unsigned int irq, struct ht_irq_msg *msg);
void write_ht_irq_msg(unsigned int irq, struct ht_irq_msg *msg);
void mask_ht_irq(struct irq_data *data);
void unmask_ht_irq(struct irq_data *data);

/* The arch hook for getting things started */
int arch_setup_ht_irq(int idx, int pos, struct pci_dev *dev,
		      ht_irq_update_t *update);
void arch_teardown_ht_irq(unsigned int irq);

/* For drivers of buggy hardware */
int __ht_create_irq(struct pci_dev *dev, int idx, ht_irq_update_t *update);

#endif /* LINUX_HTIRQ_H */
Commit	Line	Data
95d77884 EB	1	#ifndef LINUX_HTIRQ_H
	2	#define LINUX_HTIRQ_H
	3
49e07d8f JL	4	struct pci_dev;
	5	struct irq_data;
	6
ec68307c EB	7	struct ht_irq_msg {
	8	u32 address_lo; /* low 32 bits of the ht irq message */
	9	u32 address_hi; /* high 32 bits of the it irq message */
	10	};
	11
49e07d8f JL	12	typedef void (ht_irq_update_t)(struct pci_dev *dev, int irq,
	13	struct ht_irq_msg *msg);
	14
	15	struct ht_irq_cfg {
	16	struct pci_dev *dev;
	17	/* Update callback used to cope with buggy hardware */
	18	ht_irq_update_t *update;
	19	unsigned pos;
	20	unsigned idx;
	21	struct ht_irq_msg msg;
	22	};
	23
95d77884	24	/* Helper functions.. */
ec68307c EB	25	void fetch_ht_irq_msg(unsigned int irq, struct ht_irq_msg *msg);
ec68307c EB	26	void write_ht_irq_msg(unsigned int irq, struct ht_irq_msg *msg);
e9f7ac66 TG	27	void mask_ht_irq(struct irq_data *data);
e9f7ac66 TG	28	void unmask_ht_irq(struct irq_data *data);
95d77884 EB	29
95d77884 EB	30	/* The arch hook for getting things started */
49e07d8f JL	31	int arch_setup_ht_irq(int idx, int pos, struct pci_dev *dev,
	32	ht_irq_update_t *update);
	33	void arch_teardown_ht_irq(unsigned int irq);
95d77884	34
43539c38	35	/* For drivers of buggy hardware */
43539c38 EB	36	int __ht_create_irq(struct pci_dev dev, int idx, ht_irq_update_t update);
43539c38 EB	37
95d77884	38	#endif /* LINUX_HTIRQ_H */