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evaluate _RTV as preparation for passive cooling.

This commit is contained in:
cegger 2009-11-23 14:42:39 +00:00
parent 3d17105af3
commit 29e2a7eb92
1 changed files with 11 additions and 2 deletions
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13
sys/dev/acpi/acpi_tz.c
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@ -1,4 +1,4 @@
/* $NetBSD: acpi_tz.c,v 1.47 2009/09/16 10:47:54 mlelstv Exp $ */ /* $NetBSD: acpi_tz.c,v 1.48 2009/11/23 14:42:39 cegger Exp $ */
/* /*
* Copyright (c) 2003 Jared D. McNeill <jmcneill@invisible.ca> * Copyright (c) 2003 Jared D. McNeill <jmcneill@invisible.ca>
@ -30,7 +30,7 @@
*/ */
#include <sys/cdefs.h> #include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: acpi_tz.c,v 1.47 2009/09/16 10:47:54 mlelstv Exp $"); __KERNEL_RCSID(0, "$NetBSD: acpi_tz.c,v 1.48 2009/11/23 14:42:39 cegger Exp $");
#include <sys/param.h> #include <sys/param.h>
#include <sys/systm.h> #include <sys/systm.h>
@ -93,6 +93,8 @@ struct acpitz_zone {
UINT32 hot; UINT32 hot;
/* Package of references to processor objects for passive cooling */ /* Package of references to processor objects for passive cooling */
ACPI_BUFFER psl; ACPI_BUFFER psl;
/* Conveys if temperatures are absolute or relative values. */
UINT32 rtv;
/* Passive cooling temperature threshold */ /* Passive cooling temperature threshold */
UINT32 psv; UINT32 psv;
/* Thermal constants for use in passive cooling formulas */ /* Thermal constants for use in passive cooling formulas */
@ -481,6 +483,13 @@ acpitz_get_zone(void *opaque, int verbose)
acpitz_get_integer(dv, "_TC1", &sc->sc_zone.tc1); acpitz_get_integer(dv, "_TC1", &sc->sc_zone.tc1);
acpitz_get_integer(dv, "_TC2", &sc->sc_zone.tc2); acpitz_get_integer(dv, "_TC2", &sc->sc_zone.tc2);
/* ACPI spec: If _RTV is not present or present and zero,
* values are absolute. */
acpitz_get_integer(dv, "_RTV", &sc->sc_zone.rtv);
if (sc->sc_zone.rtv == ATZ_TMP_INVALID)
sc->sc_zone.rtv = 0;
acpitz_sane_temp(&sc->sc_zone.tmp); acpitz_sane_temp(&sc->sc_zone.tmp);
acpitz_sane_temp(&sc->sc_zone.crt); acpitz_sane_temp(&sc->sc_zone.crt);
acpitz_sane_temp(&sc->sc_zone.hot); acpitz_sane_temp(&sc->sc_zone.hot);