#ifndef __HPET__
#define __HPET__ 1
+#include <linux/compiler.h>
+
+#ifdef __KERNEL__
+
/*
* Offsets into HPET Registers
*/
#define HPET_LEG_RT_CNF_MASK (2UL)
#define HPET_ENABLE_CNF_MASK (1UL)
-/*
- * HPET interrupt status register
- */
-
-#define HPET_ISR_CLEAR(HPET, TIMER) \
- (HPET)->hpet_isr |= (1UL << TIMER)
/*
* Timer configuration register
#define Tn_FSB_INT_ADDR_SHIFT (32UL)
#define Tn_FSB_INT_VAL_MASK (0x00000000ffffffffULL)
-struct hpet_info {
- unsigned long hi_ireqfreq; /* Hz */
- unsigned long hi_flags; /* information */
- unsigned short hi_hpet;
- unsigned short hi_timer;
-};
-
-#define HPET_INFO_PERIODIC 0x0001 /* timer is periodic */
-
-#define HPET_IE_ON _IO('h', 0x01) /* interrupt on */
-#define HPET_IE_OFF _IO('h', 0x02) /* interrupt off */
-#define HPET_INFO _IOR('h', 0x03, struct hpet_info)
-#define HPET_EPI _IO('h', 0x04) /* enable periodic */
-#define HPET_DPI _IO('h', 0x05) /* disable periodic */
-#define HPET_IRQFREQ _IOW('h', 0x6, unsigned long) /* IRQFREQ usec */
-
/*
* exported interfaces
*/
};
struct hpet_data {
- unsigned long hd_address;
+ unsigned long hd_phys_address;
+ void __iomem *hd_address;
unsigned short hd_nirqs;
unsigned short hd_flags;
unsigned int hd_state; /* timer allocated */
#define HPET_DATA_PLATFORM 0x0001 /* platform call to hpet_alloc */
+static inline void hpet_reserve_timer(struct hpet_data *hd, int timer)
+{
+ hd->hd_state |= (1 << timer);
+ return;
+}
+
int hpet_alloc(struct hpet_data *);
int hpet_register(struct hpet_task *, int);
int hpet_unregister(struct hpet_task *);
int hpet_control(struct hpet_task *, unsigned int, unsigned long);
+#endif /* __KERNEL__ */
+
+struct hpet_info {
+ unsigned long hi_ireqfreq; /* Hz */
+ unsigned long hi_flags; /* information */
+ unsigned short hi_hpet;
+ unsigned short hi_timer;
+};
+
+#define HPET_INFO_PERIODIC 0x0001 /* timer is periodic */
+
+#define HPET_IE_ON _IO('h', 0x01) /* interrupt on */
+#define HPET_IE_OFF _IO('h', 0x02) /* interrupt off */
+#define HPET_INFO _IOR('h', 0x03, struct hpet_info)
+#define HPET_EPI _IO('h', 0x04) /* enable periodic */
+#define HPET_DPI _IO('h', 0x05) /* disable periodic */
+#define HPET_IRQFREQ _IOW('h', 0x6, unsigned long) /* IRQFREQ usec */
+
#endif /* !__HPET__ */