root / hpet.h @ 475dc65f
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#ifndef __HPET__
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#define __HPET__ 1 |
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struct hpet_info {
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unsigned long hi_ireqfreq; /* Hz */ |
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unsigned long hi_flags; /* information */ |
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unsigned short hi_hpet; |
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unsigned short hi_timer; |
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}; |
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#define HPET_INFO_PERIODIC 0x0001 /* timer is periodic */ |
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#define HPET_IE_ON _IO('h', 0x01) /* interrupt on */ |
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#define HPET_IE_OFF _IO('h', 0x02) /* interrupt off */ |
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#define HPET_INFO _IOR('h', 0x03, struct hpet_info) |
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#define HPET_EPI _IO('h', 0x04) /* enable periodic */ |
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#define HPET_DPI _IO('h', 0x05) /* disable periodic */ |
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#define HPET_IRQFREQ _IOW('h', 0x6, unsigned long) /* IRQFREQ usec */ |
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#endif /* !__HPET__ */ |