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| author | Hajimu UMEMOTO <ume@FreeBSD.org> | 2007-12-24 16:32:14 +0000 |
|---|---|---|
| committer | Hajimu UMEMOTO <ume@FreeBSD.org> | 2007-12-24 16:32:14 +0000 |
| commit | 0c3e489dce24a1a77e4bf2994e4ea6f848fe2be1 (patch) | |
| tree | 1bfd5e706474396a5ed5cce583c33ba4b81ad0f3 /sys/dev/acpica/acpi_thermal.c | |
| parent | 316d90a37bd2753f6395decfcab4712b1c47955b (diff) | |
| download | src-0c3e489dce24a1a77e4bf2994e4ea6f848fe2be1.tar.gz src-0c3e489dce24a1a77e4bf2994e4ea6f848fe2be1.zip | |
Add sysctl mibs for _TSP, _TC1 and _TC2 which is user overridable
but is blocked on user_override mib.
Not a few people want to use a passive cooling without their ACPI
BIOS support.
Reviewed by: njl
Notes
Notes:
svn path=/head/; revision=174889
Diffstat (limited to 'sys/dev/acpica/acpi_thermal.c')
| -rw-r--r-- | sys/dev/acpica/acpi_thermal.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/sys/dev/acpica/acpi_thermal.c b/sys/dev/acpica/acpi_thermal.c index 9c560c87b421..045d2ba197c0 100644 --- a/sys/dev/acpica/acpi_thermal.c +++ b/sys/dev/acpica/acpi_thermal.c @@ -133,6 +133,7 @@ static void acpi_tz_sanity(struct acpi_tz_softc *sc, int *val, char *what); static int acpi_tz_active_sysctl(SYSCTL_HANDLER_ARGS); static int acpi_tz_cooling_sysctl(SYSCTL_HANDLER_ARGS); static int acpi_tz_temp_sysctl(SYSCTL_HANDLER_ARGS); +static int acpi_tz_passive_sysctl(SYSCTL_HANDLER_ARGS); static void acpi_tz_notify_handler(ACPI_HANDLE h, UINT32 notify, void *context); static void acpi_tz_signal(struct acpi_tz_softc *sc, int flags); @@ -293,6 +294,21 @@ acpi_tz_attach(device_t dev) SYSCTL_ADD_OPAQUE(&sc->tz_sysctl_ctx, SYSCTL_CHILDREN(sc->tz_sysctl_tree), OID_AUTO, "_ACx", CTLFLAG_RD, &sc->tz_zone.ac, sizeof(sc->tz_zone.ac), "IK", ""); + SYSCTL_ADD_PROC(&sc->tz_sysctl_ctx, SYSCTL_CHILDREN(sc->tz_sysctl_tree), + OID_AUTO, "_TC1", CTLTYPE_INT | CTLFLAG_RW, + sc, offsetof(struct acpi_tz_softc, tz_zone.tc1), + acpi_tz_passive_sysctl, "I", + "thermal constant 1 for passive cooling"); + SYSCTL_ADD_PROC(&sc->tz_sysctl_ctx, SYSCTL_CHILDREN(sc->tz_sysctl_tree), + OID_AUTO, "_TC2", CTLTYPE_INT | CTLFLAG_RW, + sc, offsetof(struct acpi_tz_softc, tz_zone.tc2), + acpi_tz_passive_sysctl, "I", + "thermal constant 2 for passive cooling"); + SYSCTL_ADD_PROC(&sc->tz_sysctl_ctx, SYSCTL_CHILDREN(sc->tz_sysctl_tree), + OID_AUTO, "_TSP", CTLTYPE_INT | CTLFLAG_RW, + sc, offsetof(struct acpi_tz_softc, tz_zone.tsp), + acpi_tz_passive_sysctl, "I", + "thermal sampling period for passive cooling"); /* * Create thread to service all of the thermal zones. Register @@ -748,6 +764,30 @@ acpi_tz_temp_sysctl(SYSCTL_HANDLER_ARGS) return (0); } +static int +acpi_tz_passive_sysctl(SYSCTL_HANDLER_ARGS) +{ + struct acpi_tz_softc *sc; + int val, *val_ptr; + int error; + + sc = oidp->oid_arg1; + val_ptr = (int *)((uintptr_t)sc + oidp->oid_arg2); + val = *val_ptr; + error = sysctl_handle_int(oidp, &val, 0, req); + + /* Error or no new value */ + if (error != 0 || req->newptr == NULL) + return (error); + + /* Only allow changing settings if override is set. */ + if (!acpi_tz_override) + return (EPERM); + + *val_ptr = val; + return (0); +} + static void acpi_tz_notify_handler(ACPI_HANDLE h, UINT32 notify, void *context) { |