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| author | njl <njl@FreeBSD.org> | 2004-04-21 00:36:15 +0000 |
|---|---|---|
| committer | njl <njl@FreeBSD.org> | 2004-04-21 00:36:15 +0000 |
| commit | 6c165fc101d50d0cf13f2fff5c68275e0309e1f4 (patch) | |
| tree | 1600fdf84bd788b92df9c2b59e92e2a0175dd1ae /sys/dev/acpica/acpivar.h | |
| parent | b5d0f5636118aa73b9360cde461a82e0c05557df (diff) | |
| download | FreeBSD-src-6c165fc101d50d0cf13f2fff5c68275e0309e1f4.zip FreeBSD-src-6c165fc101d50d0cf13f2fff5c68275e0309e1f4.tar.gz | |
Move the timer difference convenience function from acpi_cpu.c to make it
globally available. acpi_TimerDelta() subtracts two readings from the
ACPI PM timer and returns the difference. It properly distinguishes between
24-bit and 32-bit timers and handles wraparound.
Diffstat (limited to 'sys/dev/acpica/acpivar.h')
| -rw-r--r-- | sys/dev/acpica/acpivar.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/sys/dev/acpica/acpivar.h b/sys/dev/acpica/acpivar.h index 10fa91a..99b6ac7 100644 --- a/sys/dev/acpica/acpivar.h +++ b/sys/dev/acpica/acpivar.h @@ -233,6 +233,7 @@ extern BOOLEAN acpi_BatteryIsPresent(device_t dev); extern BOOLEAN acpi_MatchHid(device_t dev, char *hid); extern ACPI_STATUS acpi_GetHandleInScope(ACPI_HANDLE parent, char *path, ACPI_HANDLE *result); +extern uint32_t acpi_TimerDelta(uint32_t end, uint32_t start); extern ACPI_BUFFER *acpi_AllocBuffer(int size); extern ACPI_STATUS acpi_ConvertBufferToInteger(ACPI_BUFFER *bufp, UINT32 *number); |
