1*607ca46eSDavid Howells #ifndef _UAPI__HPET__ 2*607ca46eSDavid Howells #define _UAPI__HPET__ 3*607ca46eSDavid Howells 4*607ca46eSDavid Howells #include <linux/compiler.h> 5*607ca46eSDavid Howells 6*607ca46eSDavid Howells 7*607ca46eSDavid Howells struct hpet_info { 8*607ca46eSDavid Howells unsigned long hi_ireqfreq; /* Hz */ 9*607ca46eSDavid Howells unsigned long hi_flags; /* information */ 10*607ca46eSDavid Howells unsigned short hi_hpet; 11*607ca46eSDavid Howells unsigned short hi_timer; 12*607ca46eSDavid Howells }; 13*607ca46eSDavid Howells 14*607ca46eSDavid Howells #define HPET_INFO_PERIODIC 0x0010 /* periodic-capable comparator */ 15*607ca46eSDavid Howells 16*607ca46eSDavid Howells #define HPET_IE_ON _IO('h', 0x01) /* interrupt on */ 17*607ca46eSDavid Howells #define HPET_IE_OFF _IO('h', 0x02) /* interrupt off */ 18*607ca46eSDavid Howells #define HPET_INFO _IOR('h', 0x03, struct hpet_info) 19*607ca46eSDavid Howells #define HPET_EPI _IO('h', 0x04) /* enable periodic */ 20*607ca46eSDavid Howells #define HPET_DPI _IO('h', 0x05) /* disable periodic */ 21*607ca46eSDavid Howells #define HPET_IRQFREQ _IOW('h', 0x6, unsigned long) /* IRQFREQ usec */ 22*607ca46eSDavid Howells 23*607ca46eSDavid Howells #define MAX_HPET_TBS 8 /* maximum hpet timer blocks */ 24*607ca46eSDavid Howells 25*607ca46eSDavid Howells #endif /* _UAPI__HPET__ */ 26