diff options
Diffstat (limited to 'sys/dev/acpica/Osd/OsdBusMgr.c')
| -rw-r--r-- | sys/dev/acpica/Osd/OsdBusMgr.c | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/sys/dev/acpica/Osd/OsdBusMgr.c b/sys/dev/acpica/Osd/OsdBusMgr.c new file mode 100644 index 0000000..b97c2f9 --- /dev/null +++ b/sys/dev/acpica/Osd/OsdBusMgr.c @@ -0,0 +1,147 @@ +/*- + * Copyright (c) 2000 Michael Smith + * Copyright (c) 2000 BSDi + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +/* + * OSD interfaces for the BusMgr module + */ + +#include "acpi.h" +#include "bmosd.h" + +#include <sys/eventhandler.h> +#include <sys/reboot.h> + +struct osd_eventhandle { + eventhandler_tag tag; + OSD_IDLE_HANDLER Function; + void *Context; +}; + +#define NUM_IDLEHANDLERS 10 +struct osd_eventhandle idlehandlers[NUM_IDLEHANDLERS] = {{0, 0}}; +#define NUM_SHUTDOWNHANDLERS 20 +struct osd_eventhandle shutdownhandlers[NUM_SHUTDOWNHANDLERS] = {{0, 0}}; + +static void +osd_idlehandler(void *arg, int junk) +{ + struct osd_eventhandle *oh = (struct osd_eventhandle *)arg; + + oh->Function(oh->Context); +} + +static void +osd_shutdownhandler(void *arg, int howto) +{ + struct osd_eventhandle *oh = (struct osd_eventhandle *)arg; + + oh->Function(oh->Context); +} + +ACPI_STATUS +AcpiOsInstallIdleHandler(OSD_IDLE_HANDLER Function, void *Context) +{ + int i; + + if (Function == NULL) + return(AE_BAD_PARAMETER); + for (i = 0; i < NUM_IDLEHANDLERS; i++) { + if (idlehandlers[i].Function == NULL) { + idlehandlers[i].Function = Function; + idlehandlers[i].Context = Context; + idlehandlers[i].tag = EVENTHANDLER_FAST_REGISTER(idle_event, osd_idlehandler, + &idlehandlers[i], IDLE_PRI_FIRST); + return(AE_OK); + } + } + return(AE_NO_MEMORY); +} + +ACPI_STATUS +AcpiOsRemoveIdleHandler(OSD_IDLE_HANDLER Function) +{ + int i; + + if (Function == NULL) + return(AE_BAD_PARAMETER); + for (i = 0; i < NUM_IDLEHANDLERS; i++) { + if (idlehandlers[i].Function == Function) { + EVENTHANDLER_FAST_DEREGISTER(idle_event, idlehandlers[i].tag); + idlehandlers[i].Function = NULL; + return(AE_OK); + } + } + return(AE_NOT_EXIST); +} + +/* + * It's not clear where exactly in the shutdown order these should be + * queued. + */ +ACPI_STATUS +AcpiOsInstallShutdownHandler(OSD_SHUTDOWN_HANDLER Function, void *Context) +{ + int i; + + if (Function == NULL) + return(AE_BAD_PARAMETER); + for (i = 0; i < NUM_SHUTDOWNHANDLERS; i++) { + if (shutdownhandlers[i].Function == NULL) { + shutdownhandlers[i].Function = Function; + shutdownhandlers[i].Context = Context; + shutdownhandlers[i].tag = EVENTHANDLER_REGISTER(shutdown_final, osd_shutdownhandler, + &shutdownhandlers[i], SHUTDOWN_PRI_LAST); + return(AE_OK); + } + } + return(AE_NO_MEMORY); +} + +ACPI_STATUS +AcpiOsRemoveShutdownHandler(OSD_SHUTDOWN_HANDLER Function) +{ + int i; + + if (Function == NULL) + return(AE_BAD_PARAMETER); + for (i = 0; i < NUM_SHUTDOWNHANDLERS; i++) { + if (shutdownhandlers[i].Function == Function) { + EVENTHANDLER_DEREGISTER(shutdown_final, shutdownhandlers[i].tag); + shutdownhandlers[i].Function = NULL; + return(AE_OK); + } + } + return(AE_NOT_EXIST); +} + +ACPI_STATUS +AcpiOsShutdown (void) +{ + shutdown_nice(0); +} |
