OS-5536 update to ACPI version 6.x

Reviewed by: Patrick Mooney <patrick.mooney@joyent.com>
Reviewed by: Robert Mustacchi <rm@joyent.com>

1 files changed, 22 insertions, 7 deletions

diff --git a/usr/src/uts/intel/io/acpica/hardware/hwtimer.c b/usr/src/uts/intel/io/acpica/hardware/hwtimer.c
index 15dc58f0bf..64b2a8aaf5 100644
--- a/usr/src/uts/intel/io/acpica/hardware/hwtimer.c
+++ b/usr/src/uts/intel/io/acpica/hardware/hwtimer.c
@@ -1,4 +1,3 @@
-
 /******************************************************************************
  *
  * Name: hwtimer.c - ACPI Power Management Timer Interface
@@ -6,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2016, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -42,6 +41,8 @@
  * POSSIBILITY OF SUCH DAMAGES.
  */
 
+#define EXPORT_ACPI_INTERFACES
+
 #include "acpi.h"
 #include "accommon.h"
 
@@ -116,8 +117,14 @@ AcpiGetTimer (
         return_ACPI_STATUS (AE_BAD_PARAMETER);
     }
 
-    Status = AcpiHwRead (Ticks, &AcpiGbl_FADT.XPmTimerBlock);
+    /* ACPI 5.0A: PM Timer is optional */
+
+    if (!AcpiGbl_FADT.XPmTimerBlock.Address)
+    {
+        return_ACPI_STATUS (AE_SUPPORT);
+    }
 
+    Status = AcpiHwRead (Ticks, &AcpiGbl_FADT.XPmTimerBlock);
     return_ACPI_STATUS (Status);
 }
 
@@ -144,7 +151,7 @@ ACPI_EXPORT_SYMBOL (AcpiGetTimer)
  *              a versatile and accurate timer.
  *
  *              Note that this function accommodates only a single timer
- *              rollover.  Thus for 24-bit timers, this function should only
+ *              rollover. Thus for 24-bit timers, this function should only
  *              be used for calculating durations less than ~4.6 seconds
  *              (~20 minutes for 32-bit timers) -- calculations below:
  *
@@ -172,6 +179,13 @@ AcpiGetTimerDuration (
         return_ACPI_STATUS (AE_BAD_PARAMETER);
     }
 
+    /* ACPI 5.0A: PM Timer is optional */
+
+    if (!AcpiGbl_FADT.XPmTimerBlock.Address)
+    {
+        return_ACPI_STATUS (AE_SUPPORT);
+    }
+
     /*
      * Compute Tick Delta:
      * Handle (max one) timer rollovers on 24-bit versus 32-bit timers.
@@ -204,10 +218,11 @@ AcpiGetTimerDuration (
     /*
      * Compute Duration (Requires a 64-bit multiply and divide):
      *
-     * TimeElapsed = (DeltaTicks * 1000000) / PM_TIMER_FREQUENCY;
+     * TimeElapsed (microseconds) =
+     *  (DeltaTicks * ACPI_USEC_PER_SEC) / ACPI_PM_TIMER_FREQUENCY;
      */
-    Status = AcpiUtShortDivide (((UINT64) DeltaTicks) * 1000000,
-                PM_TIMER_FREQUENCY, &Quotient, NULL);
+    Status = AcpiUtShortDivide (((UINT64) DeltaTicks) * ACPI_USEC_PER_SEC,
+                ACPI_PM_TIMER_FREQUENCY, &Quotient, NULL);
 
     *TimeElapsed = (UINT32) Quotient;
     return_ACPI_STATUS (Status);