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26 lines
785 B
26 lines
785 B
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
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#ifndef _UAPI__HPET__ |
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#define _UAPI__HPET__ |
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#include <linux/compiler.h> |
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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 0x0010 /* periodic-capable comparator */ |
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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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#define MAX_HPET_TBS 8 /* maximum hpet timer blocks */ |
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#endif /* _UAPI__HPET__ */
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