mirror of
https://git.FreeBSD.org/src.git
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- Cleanup up the driver (remove un-needed parameters, white-space,
etc..), plus add a better display suspend function. - Changed the Copyright's to reflect the new 'jp.FreeBSD.org' email address. Submitted by: nate & HOSOKAWA, Tatsumi <hosokawa@jp.FreeBSD.org>
This commit is contained in:
Nate Williams
parent
e579a0d9e2
commit
16d2ae1333
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=21362
@ -2,7 +2,7 @@
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* APM (Advanced Power Management) BIOS Device Driver
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*
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* Copyright (c) 1994 UKAI, Fumitoshi.
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* Copyright (c) 1994-1995 by HOSOKAWA, Tatsumi <hosokawa@mt.cs.keio.ac.jp>
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* Copyright (c) 1994-1995 by HOSOKAWA, Tatsumi <hosokawa@jp.FreeBSD.org>
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* Copyright (c) 1996 Nate Williams <nate@FreeBSD.org>
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*
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* This software may be used, modified, copied, and distributed, in
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@ -14,7 +14,7 @@
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*
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* Sep, 1994 Implemented on FreeBSD 1.1.5.1R (Toshiba AVS001WD)
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*
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* $Id: apm.c,v 1.48 1996/09/06 23:06:50 phk Exp $
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* $Id: apm.c,v 1.49 1996/09/07 17:41:22 nate Exp $
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*/
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#include "apm.h"
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@ -44,7 +44,7 @@
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#include <sys/syslog.h>
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#include <i386/apm/apm_setup.h>
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static int apm_display_off __P((void));
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static int apm_display __P((int newstate));
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static int apm_int __P((u_long *eax, u_long *ebx, u_long *ecx));
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static void apm_resume __P((void));
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@ -140,17 +140,18 @@ apm_int(u_long *eax, u_long *ebx, u_long *ecx)
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/* enable/disable power management */
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static int
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apm_enable_disable_pm(struct apm_softc *sc, int enable)
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apm_enable_disable_pm(int enable)
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{
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struct apm_softc *sc = &apm_softc;
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u_long eax, ebx, ecx;
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eax = (APM_BIOS << 8) | APM_ENABLEDISABLEPM;
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if (sc->intversion >= INTVERSION(1, 1)) {
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if (sc->intversion >= INTVERSION(1, 1))
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ebx = PMDV_ALLDEV;
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} else {
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else
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ebx = 0xffff; /* APM version 1.0 only */
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}
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ecx = enable;
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return apm_int(&eax, &ebx, &ecx);
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}
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@ -163,6 +164,7 @@ apm_driver_version(void)
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eax = (APM_BIOS << 8) | APM_DRVVERSION;
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ebx = 0x0;
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/* XXX - The APM 1.1 specification is only supported for now */
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ecx = 0x0101;
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if(!apm_int(&eax, &ebx, &ecx))
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apm_version = eax & 0xffff;
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@ -170,7 +172,7 @@ apm_driver_version(void)
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/* engage/disengage power management (APM 1.1 or later) */
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static int
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apm_engage_disengage_pm(struct apm_softc *sc, int engage)
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apm_engage_disengage_pm(int engage)
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{
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u_long eax, ebx, ecx;
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@ -182,7 +184,7 @@ apm_engage_disengage_pm(struct apm_softc *sc, int engage)
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/* get PM event */
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static u_int
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apm_getevent(struct apm_softc *sc)
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apm_getevent(void)
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{
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u_long eax, ebx, ecx;
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@ -198,7 +200,7 @@ apm_getevent(struct apm_softc *sc)
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/* suspend entire system */
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static int
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apm_suspend_system(struct apm_softc *sc)
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apm_suspend_system(void)
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{
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u_long eax, ebx, ecx;
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@ -218,28 +220,28 @@ apm_suspend_system(struct apm_softc *sc)
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/*
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* Experimental implementation: My laptop machine can't handle this function
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* If your laptop can control the display via APM, please inform me.
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* HOSOKAWA, Tatsumi <hosokawa@mt.cs.keio.ac.jp>
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* HOSOKAWA, Tatsumi <hosokawa@jp.FreeBSD.org>
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*/
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static int
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apm_display_off(void)
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apm_display(int newstate)
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{
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u_long eax, ebx, ecx;
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eax = (APM_BIOS << 8) | APM_SETPWSTATE;
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ebx = PMDV_2NDSTORAGE0;
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ecx = PMST_STANDBY;
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ebx = PMDV_DISP0;
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ecx = newstate ? PMST_APMENABLED:PMST_SUSPEND;
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if (apm_int(&eax, &ebx, &ecx)) {
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printf("Display off failure: errcode = %ld\n",
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0xff & (eax >> 8));
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return 1;
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}
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return 0;
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}
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/* APM Battery low handler */
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static void
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apm_battery_low(struct apm_softc *sc)
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apm_battery_low(void)
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{
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printf("\007\007 * * * BATTERY IS LOW * * * \007\007");
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}
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@ -256,15 +258,12 @@ apm_add_hook(struct apmhook **list, struct apmhook *ah)
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#endif
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s = splhigh();
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if (ah == NULL) {
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if (ah == NULL)
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panic("illegal apm_hook!");
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}
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prev = NULL;
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for (p = *list; p != NULL; prev = p, p = p->ah_next) {
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if (p->ah_order > ah->ah_order) {
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for (p = *list; p != NULL; prev = p, p = p->ah_next)
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if (p->ah_order > ah->ah_order)
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break;
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}
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}
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if (prev == NULL) {
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ah->ah_next = *list;
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@ -285,19 +284,16 @@ apm_del_hook(struct apmhook **list, struct apmhook *ah)
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s = splhigh();
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prev = NULL;
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for (p = *list; p != NULL; prev = p, p = p->ah_next) {
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if (p == ah) {
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for (p = *list; p != NULL; prev = p, p = p->ah_next)
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if (p == ah)
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goto deleteit;
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}
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}
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panic("Tried to delete unregistered apm_hook.");
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goto nosuchnode;
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deleteit:
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if (prev != NULL) {
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if (prev != NULL)
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prev->ah_next = p->ah_next;
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} else {
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else
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*list = p->ah_next;
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}
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nosuchnode:
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splx(s);
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}
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@ -313,9 +309,8 @@ apm_execute_hook(struct apmhook *list)
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#ifdef APM_DEBUG
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printf("Execute APM hook \"%s.\"\n", p->ah_name);
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#endif
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if ((*(p->ah_fun))(p->ah_arg)) {
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if ((*(p->ah_fun))(p->ah_arg))
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printf("Warning: APM hook \"%s\" failed", p->ah_name);
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}
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}
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}
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@ -383,7 +378,7 @@ apm_default_suspend(void *arg)
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return 0;
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}
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static void apm_processevent(struct apm_softc *);
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static void apm_processevent(void);
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/*
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* Public interface to the suspend/resume:
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@ -402,8 +397,8 @@ apm_suspend(void)
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if (sc->initialized) {
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apm_execute_hook(hook[APM_HOOK_SUSPEND]);
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apm_suspend_system(sc);
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apm_processevent(sc);
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apm_suspend_system();
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apm_processevent();
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}
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}
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@ -415,16 +410,16 @@ apm_resume(void)
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if (!sc)
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return;
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if (sc->initialized) {
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if (sc->initialized)
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apm_execute_hook(hook[APM_HOOK_RESUME]);
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}
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}
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/* get APM information */
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static int
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apm_get_info(struct apm_softc *sc, apm_info_t aip)
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apm_get_info(apm_info_t aip)
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{
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struct apm_softc *sc = &apm_softc;
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u_long eax, ebx, ecx;
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eax = (APM_BIOS << 8) | APM_GETPWSTATUS;
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@ -468,9 +463,8 @@ apm_cpu_idle(void)
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* "hlt" operation from swtch() and managed it under
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* APM driver.
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*/
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if (!sc->active || sc->always_halt_cpu) {
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if (!sc->active || sc->always_halt_cpu)
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__asm("hlt"); /* wait for interrupt */
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}
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}
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/* inform APM BIOS that CPU is busy */
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@ -501,20 +495,21 @@ apm_cpu_busy(void)
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*/
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static void
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apm_timeout(void *arg)
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apm_timeout(void *dummy)
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{
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struct apm_softc *sc = arg;
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struct apm_softc *sc = &apm_softc;
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apm_processevent(sc);
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if (sc->active == 1) {
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timeout(apm_timeout, (void *)sc, hz - 1 ); /* More than 1 Hz */
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}
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apm_processevent();
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if (sc->active == 1)
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timeout(apm_timeout, NULL, hz - 1 ); /* More than 1 Hz */
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}
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/* enable APM BIOS */
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static void
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apm_event_enable(struct apm_softc *sc)
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apm_event_enable(void)
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{
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struct apm_softc *sc = &apm_softc;
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#ifdef APM_DEBUG
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printf("called apm_event_enable()\n");
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#endif
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@ -526,8 +521,10 @@ apm_event_enable(struct apm_softc *sc)
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/* disable APM BIOS */
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static void
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apm_event_disable(struct apm_softc *sc)
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apm_event_disable(void)
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{
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struct apm_softc *sc = &apm_softc;
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#ifdef APM_DEBUG
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printf("called apm_event_disable()\n");
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#endif
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@ -539,40 +536,43 @@ apm_event_disable(struct apm_softc *sc)
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/* halt CPU in scheduling loop */
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static void
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apm_halt_cpu(struct apm_softc *sc)
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apm_halt_cpu(void)
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{
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if (sc->initialized) {
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struct apm_softc *sc = &apm_softc;
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if (sc->initialized)
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sc->always_halt_cpu = 1;
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}
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}
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/* don't halt CPU in scheduling loop */
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static void
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apm_not_halt_cpu(struct apm_softc *sc)
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apm_not_halt_cpu(void)
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{
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if (sc->initialized) {
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struct apm_softc *sc = &apm_softc;
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if (sc->initialized)
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sc->always_halt_cpu = 0;
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}
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}
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/* device driver definitions */
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static int apmprobe (struct isa_device *);
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static int apmattach(struct isa_device *);
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struct isa_driver apmdriver = {
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apmprobe, apmattach, "apm" };
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struct isa_driver apmdriver = { apmprobe, apmattach, "apm" };
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/*
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* probe APM (dummy):
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*
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* APM probing routine is placed on locore.s and apm_init.S because
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* this process forces the CPU to turn to real mode or V86 mode.
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* Current version uses real mode, but on future version, we want
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* Current version uses real mode, but in a future version, we want
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* to use V86 mode in APM initialization.
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*/
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static int
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apmprobe(struct isa_device *dvp)
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{
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bzero(&apm_softc, sizeof(apm_softc));
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if ( dvp->id_unit > 0 ) {
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printf("apm: Only one APM driver supported.\n");
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return 0;
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@ -591,14 +591,13 @@ apmprobe(struct isa_device *dvp)
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#ifdef APM_BROKEN_STATCLOCK
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statclock_disable = 1;
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#endif
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return -1;
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}
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/* Process APM event */
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static void
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apm_processevent(struct apm_softc *sc)
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apm_processevent(void)
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{
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int apm_event;
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@ -609,7 +608,7 @@ apm_processevent(struct apm_softc *sc)
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# define OPMEV_DEBUGMESSAGE(symbol) case symbol:
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#endif
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do {
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apm_event = apm_getevent(sc);
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apm_event = apm_getevent();
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switch (apm_event) {
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OPMEV_DEBUGMESSAGE(PMEV_STANDBYREQ);
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apm_suspend();
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@ -633,7 +632,7 @@ apm_processevent(struct apm_softc *sc)
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apm_resume();
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break;
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OPMEV_DEBUGMESSAGE(PMEV_BATTERYLOW);
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apm_battery_low(sc);
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apm_battery_low();
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apm_suspend();
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break;
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OPMEV_DEBUGMESSAGE(PMEV_POWERSTATECHANGE);
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@ -694,7 +693,7 @@ apmattach(struct isa_device *dvp)
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sc->cs_limit, sc->ds_limit);
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#endif /* APM_DEBUG */
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#ifdef 0
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#if 0
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/* Workaround for some buggy APM BIOS implementations */
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sc->cs_limit = 0xffff;
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sc->ds_limit = 0xffff;
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@ -724,11 +723,10 @@ apmattach(struct isa_device *dvp)
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sc->intversion = INTVERSION(sc->majorversion, sc->minorversion);
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if (sc->intversion >= INTVERSION(1, 1)) {
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#ifdef APM_DEBUG
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if (sc->intversion >= INTVERSION(1, 1))
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printf("apm: Engaged control %s\n", is_enabled(!sc->disengaged));
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#endif
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}
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printf("apm: found APM BIOS version %d.%d\n",
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sc->majorversion, sc->minorversion);
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@ -740,7 +738,7 @@ apmattach(struct isa_device *dvp)
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/* enable power management */
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if (sc->disabled) {
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if (apm_enable_disable_pm(sc, 1)) {
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if (apm_enable_disable_pm(1)) {
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#ifdef APM_DEBUG
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printf("apm: *Warning* enable function failed! [%x]\n",
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apm_errno);
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@ -750,7 +748,7 @@ apmattach(struct isa_device *dvp)
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/* engage power managment (APM 1.1 or later) */
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if (sc->intversion >= INTVERSION(1, 1) && sc->disengaged) {
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if (apm_engage_disengage_pm(sc, 1)) {
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if (apm_engage_disengage_pm(1)) {
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#ifdef APM_DEBUG
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printf("apm: *Warning* engage function failed err=[%x]",
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apm_errno);
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@ -774,7 +772,7 @@ apmattach(struct isa_device *dvp)
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apm_hook_establish(APM_HOOK_SUSPEND, &sc->sc_suspend);
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apm_hook_establish(APM_HOOK_RESUME , &sc->sc_resume);
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apm_event_enable(sc);
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apm_event_enable();
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sc->initialized = 1;
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@ -807,6 +805,7 @@ apmioctl(dev_t dev, int cmd, caddr_t addr, int flag, struct proc *p)
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{
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struct apm_softc *sc = &apm_softc;
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int error = 0;
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int newstate;
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if (minor(dev) != 0 || !sc->initialized)
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return (ENXIO);
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@ -815,33 +814,31 @@ apmioctl(dev_t dev, int cmd, caddr_t addr, int flag, struct proc *p)
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#endif
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switch (cmd) {
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case APMIO_SUSPEND:
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if ( sc->active) {
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if ( sc->active)
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apm_suspend();
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} else {
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else
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error = EINVAL;
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}
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break;
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case APMIO_GETINFO:
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if (apm_get_info(sc, (apm_info_t)addr)) {
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if (apm_get_info((apm_info_t)addr))
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error = ENXIO;
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}
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break;
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case APMIO_ENABLE:
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apm_event_enable(sc);
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apm_event_enable();
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break;
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case APMIO_DISABLE:
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apm_event_disable(sc);
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apm_event_disable();
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break;
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case APMIO_HALTCPU:
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apm_halt_cpu(sc);
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apm_halt_cpu();
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break;
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case APMIO_NOTHALTCPU:
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apm_not_halt_cpu(sc);
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apm_not_halt_cpu();
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break;
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case APMIO_DISPLAYOFF:
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if (apm_display_off()) {
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case APMIO_DISPLAY:
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newstate = *(int *)addr;
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if (apm_display(newstate))
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error = ENXIO;
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}
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break;
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default:
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error = EINVAL;
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@ -1,7 +1,7 @@
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/*
|
||||
* APM (Advanced Power Management) BIOS Device Driver
|
||||
*
|
||||
* Copyright (c) 1994-1995 by HOSOKAWA, Tatsumi <hosokawa@mt.cs.keio.ac.jp>
|
||||
* Copyright (c) 1994-1995 by HOSOKAWA, Tatsumi <hosokawa@jp.FreeBSD.org>
|
||||
*
|
||||
* This software may be used, modified, copied, and distributed, in
|
||||
* both source and binary form provided that the above copyright and
|
||||
@ -12,7 +12,7 @@
|
||||
*
|
||||
* Sep., 1994 Implemented on FreeBSD 1.1.5.1R (Toshiba AVS001WD)
|
||||
*
|
||||
* $Id: apm_init.S,v 1.6 1996/03/12 21:23:56 nate Exp $
|
||||
* $Id: apm_init.S,v 1.7 1996/04/18 19:22:58 nate Exp $
|
||||
*/
|
||||
|
||||
/*
|
||||
|
||||
@ -1,7 +1,7 @@
|
||||
/*
|
||||
* APM (Advanced Power Management) BIOS Device Driver
|
||||
*
|
||||
* Copyright (c) 1994-1995 by HOSOKAWA, Tatsumi <hosokawa@mt.cs.keio.ac.jp>
|
||||
* Copyright (c) 1994-1995 by HOSOKAWA, Tatsumi <hosokawa@jp.FreeBSD.org>
|
||||
*
|
||||
* This software may be used, modified, copied, and distributed, in
|
||||
* both source and binary form provided that the above copyright and
|
||||
@ -12,7 +12,7 @@
|
||||
*
|
||||
* Sep., 1994 Implemented on FreeBSD 1.1.5.1R (Toshiba AVS001WD)
|
||||
*
|
||||
* $Id: table.c,v 1.3 1995/02/17 02:22:34 phk Exp $
|
||||
* $Id: table.c,v 1.4 1995/05/30 07:58:18 rgrimes Exp $
|
||||
*/
|
||||
|
||||
#include <apm_bios.h>
|
||||
|
||||
@ -1,7 +1,5 @@
|
||||
/*
|
||||
* LP (Laptop Package)
|
||||
*
|
||||
* Copyright (C) 1994 by HOSOKAWA, Tatsumi <hosokawa@mt.cs.keio.ac.jp>
|
||||
* Copyright (C) 1994 by HOSOKAWA, Tatsumi <hosokawa@jp.FreeBSD.org>
|
||||
*
|
||||
* This software may be used, modified, copied, distributed, and sold,
|
||||
* in both source and binary form provided that the above copyright and
|
||||
@ -12,7 +10,7 @@
|
||||
*
|
||||
* Sep., 1994 Implemented on FreeBSD 1.1.5.1R (Toshiba AVS001WD)
|
||||
*
|
||||
* $Id: apm_setup.h,v 1.3 1995/02/17 02:22:22 phk Exp $
|
||||
* $Id: apm_setup.h,v 1.4 1995/05/30 07:58:08 rgrimes Exp $
|
||||
*/
|
||||
|
||||
extern u_long apm_version;
|
||||
|
||||
@ -1,7 +1,5 @@
|
||||
/*
|
||||
* LP (Laptop Package)
|
||||
*
|
||||
* Copyright (C) 1994 by HOSOKAWA, Tatsumi <hosokawa@mt.cs.keio.ac.jp>
|
||||
* Copyright (C) 1994 by HOSOKAWA, Tatsumi <hosokawa@jp.FreeBSD.org>
|
||||
*
|
||||
* This software may be used, modified, copied, distributed, and sold,
|
||||
* in both source and binary form provided that the above copyright and
|
||||
@ -12,7 +10,7 @@
|
||||
*
|
||||
* Sep., 1994 Implemented on FreeBSD 1.1.5.1R (Toshiba AVS001WD)
|
||||
*
|
||||
* $Id: apm_setup.s,v 1.6 1996/03/11 06:48:48 nate Exp $
|
||||
* $Id: apm_setup.s,v 1.7 1996/07/10 15:09:48 nate Exp $
|
||||
*/
|
||||
|
||||
#include "apm.h"
|
||||
|
||||
@ -2,7 +2,7 @@
|
||||
* APM (Advanced Power Management) BIOS Device Driver
|
||||
*
|
||||
* Copyright (c) 1994 UKAI, Fumitoshi.
|
||||
* Copyright (c) 1994-1995 by HOSOKAWA, Tatsumi <hosokawa@mt.cs.keio.ac.jp>
|
||||
* Copyright (c) 1994-1995 by HOSOKAWA, Tatsumi <hosokawa@jp.FreeBSD.org>
|
||||
* Copyright (c) 1996 Nate Williams <nate@FreeBSD.org>
|
||||
*
|
||||
* This software may be used, modified, copied, and distributed, in
|
||||
@ -14,7 +14,7 @@
|
||||
*
|
||||
* Sep, 1994 Implemented on FreeBSD 1.1.5.1R (Toshiba AVS001WD)
|
||||
*
|
||||
* $Id: apm.c,v 1.48 1996/09/06 23:06:50 phk Exp $
|
||||
* $Id: apm.c,v 1.49 1996/09/07 17:41:22 nate Exp $
|
||||
*/
|
||||
|
||||
#include "apm.h"
|
||||
@ -44,7 +44,7 @@
|
||||
#include <sys/syslog.h>
|
||||
#include <i386/apm/apm_setup.h>
|
||||
|
||||
static int apm_display_off __P((void));
|
||||
static int apm_display __P((int newstate));
|
||||
static int apm_int __P((u_long *eax, u_long *ebx, u_long *ecx));
|
||||
static void apm_resume __P((void));
|
||||
|
||||
@ -140,17 +140,18 @@ apm_int(u_long *eax, u_long *ebx, u_long *ecx)
|
||||
|
||||
/* enable/disable power management */
|
||||
static int
|
||||
apm_enable_disable_pm(struct apm_softc *sc, int enable)
|
||||
apm_enable_disable_pm(int enable)
|
||||
{
|
||||
struct apm_softc *sc = &apm_softc;
|
||||
|
||||
u_long eax, ebx, ecx;
|
||||
|
||||
eax = (APM_BIOS << 8) | APM_ENABLEDISABLEPM;
|
||||
|
||||
if (sc->intversion >= INTVERSION(1, 1)) {
|
||||
if (sc->intversion >= INTVERSION(1, 1))
|
||||
ebx = PMDV_ALLDEV;
|
||||
} else {
|
||||
else
|
||||
ebx = 0xffff; /* APM version 1.0 only */
|
||||
}
|
||||
ecx = enable;
|
||||
return apm_int(&eax, &ebx, &ecx);
|
||||
}
|
||||
@ -163,6 +164,7 @@ apm_driver_version(void)
|
||||
|
||||
eax = (APM_BIOS << 8) | APM_DRVVERSION;
|
||||
ebx = 0x0;
|
||||
/* XXX - The APM 1.1 specification is only supported for now */
|
||||
ecx = 0x0101;
|
||||
if(!apm_int(&eax, &ebx, &ecx))
|
||||
apm_version = eax & 0xffff;
|
||||
@ -170,7 +172,7 @@ apm_driver_version(void)
|
||||
|
||||
/* engage/disengage power management (APM 1.1 or later) */
|
||||
static int
|
||||
apm_engage_disengage_pm(struct apm_softc *sc, int engage)
|
||||
apm_engage_disengage_pm(int engage)
|
||||
{
|
||||
u_long eax, ebx, ecx;
|
||||
|
||||
@ -182,7 +184,7 @@ apm_engage_disengage_pm(struct apm_softc *sc, int engage)
|
||||
|
||||
/* get PM event */
|
||||
static u_int
|
||||
apm_getevent(struct apm_softc *sc)
|
||||
apm_getevent(void)
|
||||
{
|
||||
u_long eax, ebx, ecx;
|
||||
|
||||
@ -198,7 +200,7 @@ apm_getevent(struct apm_softc *sc)
|
||||
|
||||
/* suspend entire system */
|
||||
static int
|
||||
apm_suspend_system(struct apm_softc *sc)
|
||||
apm_suspend_system(void)
|
||||
{
|
||||
u_long eax, ebx, ecx;
|
||||
|
||||
@ -218,28 +220,28 @@ apm_suspend_system(struct apm_softc *sc)
|
||||
/*
|
||||
* Experimental implementation: My laptop machine can't handle this function
|
||||
* If your laptop can control the display via APM, please inform me.
|
||||
* HOSOKAWA, Tatsumi <hosokawa@mt.cs.keio.ac.jp>
|
||||
* HOSOKAWA, Tatsumi <hosokawa@jp.FreeBSD.org>
|
||||
*/
|
||||
static int
|
||||
apm_display_off(void)
|
||||
apm_display(int newstate)
|
||||
{
|
||||
u_long eax, ebx, ecx;
|
||||
|
||||
eax = (APM_BIOS << 8) | APM_SETPWSTATE;
|
||||
ebx = PMDV_2NDSTORAGE0;
|
||||
ecx = PMST_STANDBY;
|
||||
ebx = PMDV_DISP0;
|
||||
ecx = newstate ? PMST_APMENABLED:PMST_SUSPEND;
|
||||
if (apm_int(&eax, &ebx, &ecx)) {
|
||||
printf("Display off failure: errcode = %ld\n",
|
||||
0xff & (eax >> 8));
|
||||
return 1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
/* APM Battery low handler */
|
||||
static void
|
||||
apm_battery_low(struct apm_softc *sc)
|
||||
apm_battery_low(void)
|
||||
{
|
||||
printf("\007\007 * * * BATTERY IS LOW * * * \007\007");
|
||||
}
|
||||
@ -256,15 +258,12 @@ apm_add_hook(struct apmhook **list, struct apmhook *ah)
|
||||
#endif
|
||||
|
||||
s = splhigh();
|
||||
if (ah == NULL) {
|
||||
if (ah == NULL)
|
||||
panic("illegal apm_hook!");
|
||||
}
|
||||
prev = NULL;
|
||||
for (p = *list; p != NULL; prev = p, p = p->ah_next) {
|
||||
if (p->ah_order > ah->ah_order) {
|
||||
for (p = *list; p != NULL; prev = p, p = p->ah_next)
|
||||
if (p->ah_order > ah->ah_order)
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if (prev == NULL) {
|
||||
ah->ah_next = *list;
|
||||
@ -285,19 +284,16 @@ apm_del_hook(struct apmhook **list, struct apmhook *ah)
|
||||
|
||||
s = splhigh();
|
||||
prev = NULL;
|
||||
for (p = *list; p != NULL; prev = p, p = p->ah_next) {
|
||||
if (p == ah) {
|
||||
for (p = *list; p != NULL; prev = p, p = p->ah_next)
|
||||
if (p == ah)
|
||||
goto deleteit;
|
||||
}
|
||||
}
|
||||
panic("Tried to delete unregistered apm_hook.");
|
||||
goto nosuchnode;
|
||||
deleteit:
|
||||
if (prev != NULL) {
|
||||
if (prev != NULL)
|
||||
prev->ah_next = p->ah_next;
|
||||
} else {
|
||||
else
|
||||
*list = p->ah_next;
|
||||
}
|
||||
nosuchnode:
|
||||
splx(s);
|
||||
}
|
||||
@ -313,9 +309,8 @@ apm_execute_hook(struct apmhook *list)
|
||||
#ifdef APM_DEBUG
|
||||
printf("Execute APM hook \"%s.\"\n", p->ah_name);
|
||||
#endif
|
||||
if ((*(p->ah_fun))(p->ah_arg)) {
|
||||
if ((*(p->ah_fun))(p->ah_arg))
|
||||
printf("Warning: APM hook \"%s\" failed", p->ah_name);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
@ -383,7 +378,7 @@ apm_default_suspend(void *arg)
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void apm_processevent(struct apm_softc *);
|
||||
static void apm_processevent(void);
|
||||
|
||||
/*
|
||||
* Public interface to the suspend/resume:
|
||||
@ -402,8 +397,8 @@ apm_suspend(void)
|
||||
|
||||
if (sc->initialized) {
|
||||
apm_execute_hook(hook[APM_HOOK_SUSPEND]);
|
||||
apm_suspend_system(sc);
|
||||
apm_processevent(sc);
|
||||
apm_suspend_system();
|
||||
apm_processevent();
|
||||
}
|
||||
}
|
||||
|
||||
@ -415,16 +410,16 @@ apm_resume(void)
|
||||
if (!sc)
|
||||
return;
|
||||
|
||||
if (sc->initialized) {
|
||||
if (sc->initialized)
|
||||
apm_execute_hook(hook[APM_HOOK_RESUME]);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/* get APM information */
|
||||
static int
|
||||
apm_get_info(struct apm_softc *sc, apm_info_t aip)
|
||||
apm_get_info(apm_info_t aip)
|
||||
{
|
||||
struct apm_softc *sc = &apm_softc;
|
||||
u_long eax, ebx, ecx;
|
||||
|
||||
eax = (APM_BIOS << 8) | APM_GETPWSTATUS;
|
||||
@ -468,9 +463,8 @@ apm_cpu_idle(void)
|
||||
* "hlt" operation from swtch() and managed it under
|
||||
* APM driver.
|
||||
*/
|
||||
if (!sc->active || sc->always_halt_cpu) {
|
||||
if (!sc->active || sc->always_halt_cpu)
|
||||
__asm("hlt"); /* wait for interrupt */
|
||||
}
|
||||
}
|
||||
|
||||
/* inform APM BIOS that CPU is busy */
|
||||
@ -501,20 +495,21 @@ apm_cpu_busy(void)
|
||||
*/
|
||||
|
||||
static void
|
||||
apm_timeout(void *arg)
|
||||
apm_timeout(void *dummy)
|
||||
{
|
||||
struct apm_softc *sc = arg;
|
||||
struct apm_softc *sc = &apm_softc;
|
||||
|
||||
apm_processevent(sc);
|
||||
if (sc->active == 1) {
|
||||
timeout(apm_timeout, (void *)sc, hz - 1 ); /* More than 1 Hz */
|
||||
}
|
||||
apm_processevent();
|
||||
if (sc->active == 1)
|
||||
timeout(apm_timeout, NULL, hz - 1 ); /* More than 1 Hz */
|
||||
}
|
||||
|
||||
/* enable APM BIOS */
|
||||
static void
|
||||
apm_event_enable(struct apm_softc *sc)
|
||||
apm_event_enable(void)
|
||||
{
|
||||
struct apm_softc *sc = &apm_softc;
|
||||
|
||||
#ifdef APM_DEBUG
|
||||
printf("called apm_event_enable()\n");
|
||||
#endif
|
||||
@ -526,8 +521,10 @@ apm_event_enable(struct apm_softc *sc)
|
||||
|
||||
/* disable APM BIOS */
|
||||
static void
|
||||
apm_event_disable(struct apm_softc *sc)
|
||||
apm_event_disable(void)
|
||||
{
|
||||
struct apm_softc *sc = &apm_softc;
|
||||
|
||||
#ifdef APM_DEBUG
|
||||
printf("called apm_event_disable()\n");
|
||||
#endif
|
||||
@ -539,40 +536,43 @@ apm_event_disable(struct apm_softc *sc)
|
||||
|
||||
/* halt CPU in scheduling loop */
|
||||
static void
|
||||
apm_halt_cpu(struct apm_softc *sc)
|
||||
apm_halt_cpu(void)
|
||||
{
|
||||
if (sc->initialized) {
|
||||
struct apm_softc *sc = &apm_softc;
|
||||
|
||||
if (sc->initialized)
|
||||
sc->always_halt_cpu = 1;
|
||||
}
|
||||
}
|
||||
|
||||
/* don't halt CPU in scheduling loop */
|
||||
static void
|
||||
apm_not_halt_cpu(struct apm_softc *sc)
|
||||
apm_not_halt_cpu(void)
|
||||
{
|
||||
if (sc->initialized) {
|
||||
struct apm_softc *sc = &apm_softc;
|
||||
|
||||
if (sc->initialized)
|
||||
sc->always_halt_cpu = 0;
|
||||
}
|
||||
}
|
||||
|
||||
/* device driver definitions */
|
||||
static int apmprobe (struct isa_device *);
|
||||
static int apmattach(struct isa_device *);
|
||||
struct isa_driver apmdriver = {
|
||||
apmprobe, apmattach, "apm" };
|
||||
struct isa_driver apmdriver = { apmprobe, apmattach, "apm" };
|
||||
|
||||
/*
|
||||
* probe APM (dummy):
|
||||
*
|
||||
* APM probing routine is placed on locore.s and apm_init.S because
|
||||
* this process forces the CPU to turn to real mode or V86 mode.
|
||||
* Current version uses real mode, but on future version, we want
|
||||
* Current version uses real mode, but in a future version, we want
|
||||
* to use V86 mode in APM initialization.
|
||||
*/
|
||||
|
||||
static int
|
||||
apmprobe(struct isa_device *dvp)
|
||||
{
|
||||
bzero(&apm_softc, sizeof(apm_softc));
|
||||
|
||||
if ( dvp->id_unit > 0 ) {
|
||||
printf("apm: Only one APM driver supported.\n");
|
||||
return 0;
|
||||
@ -591,14 +591,13 @@ apmprobe(struct isa_device *dvp)
|
||||
#ifdef APM_BROKEN_STATCLOCK
|
||||
statclock_disable = 1;
|
||||
#endif
|
||||
|
||||
return -1;
|
||||
}
|
||||
|
||||
|
||||
/* Process APM event */
|
||||
static void
|
||||
apm_processevent(struct apm_softc *sc)
|
||||
apm_processevent(void)
|
||||
{
|
||||
int apm_event;
|
||||
|
||||
@ -609,7 +608,7 @@ apm_processevent(struct apm_softc *sc)
|
||||
# define OPMEV_DEBUGMESSAGE(symbol) case symbol:
|
||||
#endif
|
||||
do {
|
||||
apm_event = apm_getevent(sc);
|
||||
apm_event = apm_getevent();
|
||||
switch (apm_event) {
|
||||
OPMEV_DEBUGMESSAGE(PMEV_STANDBYREQ);
|
||||
apm_suspend();
|
||||
@ -633,7 +632,7 @@ apm_processevent(struct apm_softc *sc)
|
||||
apm_resume();
|
||||
break;
|
||||
OPMEV_DEBUGMESSAGE(PMEV_BATTERYLOW);
|
||||
apm_battery_low(sc);
|
||||
apm_battery_low();
|
||||
apm_suspend();
|
||||
break;
|
||||
OPMEV_DEBUGMESSAGE(PMEV_POWERSTATECHANGE);
|
||||
@ -694,7 +693,7 @@ apmattach(struct isa_device *dvp)
|
||||
sc->cs_limit, sc->ds_limit);
|
||||
#endif /* APM_DEBUG */
|
||||
|
||||
#ifdef 0
|
||||
#if 0
|
||||
/* Workaround for some buggy APM BIOS implementations */
|
||||
sc->cs_limit = 0xffff;
|
||||
sc->ds_limit = 0xffff;
|
||||
@ -724,11 +723,10 @@ apmattach(struct isa_device *dvp)
|
||||
|
||||
sc->intversion = INTVERSION(sc->majorversion, sc->minorversion);
|
||||
|
||||
if (sc->intversion >= INTVERSION(1, 1)) {
|
||||
#ifdef APM_DEBUG
|
||||
if (sc->intversion >= INTVERSION(1, 1))
|
||||
printf("apm: Engaged control %s\n", is_enabled(!sc->disengaged));
|
||||
#endif
|
||||
}
|
||||
|
||||
printf("apm: found APM BIOS version %d.%d\n",
|
||||
sc->majorversion, sc->minorversion);
|
||||
@ -740,7 +738,7 @@ apmattach(struct isa_device *dvp)
|
||||
|
||||
/* enable power management */
|
||||
if (sc->disabled) {
|
||||
if (apm_enable_disable_pm(sc, 1)) {
|
||||
if (apm_enable_disable_pm(1)) {
|
||||
#ifdef APM_DEBUG
|
||||
printf("apm: *Warning* enable function failed! [%x]\n",
|
||||
apm_errno);
|
||||
@ -750,7 +748,7 @@ apmattach(struct isa_device *dvp)
|
||||
|
||||
/* engage power managment (APM 1.1 or later) */
|
||||
if (sc->intversion >= INTVERSION(1, 1) && sc->disengaged) {
|
||||
if (apm_engage_disengage_pm(sc, 1)) {
|
||||
if (apm_engage_disengage_pm(1)) {
|
||||
#ifdef APM_DEBUG
|
||||
printf("apm: *Warning* engage function failed err=[%x]",
|
||||
apm_errno);
|
||||
@ -774,7 +772,7 @@ apmattach(struct isa_device *dvp)
|
||||
apm_hook_establish(APM_HOOK_SUSPEND, &sc->sc_suspend);
|
||||
apm_hook_establish(APM_HOOK_RESUME , &sc->sc_resume);
|
||||
|
||||
apm_event_enable(sc);
|
||||
apm_event_enable();
|
||||
|
||||
sc->initialized = 1;
|
||||
|
||||
@ -807,6 +805,7 @@ apmioctl(dev_t dev, int cmd, caddr_t addr, int flag, struct proc *p)
|
||||
{
|
||||
struct apm_softc *sc = &apm_softc;
|
||||
int error = 0;
|
||||
int newstate;
|
||||
|
||||
if (minor(dev) != 0 || !sc->initialized)
|
||||
return (ENXIO);
|
||||
@ -815,33 +814,31 @@ apmioctl(dev_t dev, int cmd, caddr_t addr, int flag, struct proc *p)
|
||||
#endif
|
||||
switch (cmd) {
|
||||
case APMIO_SUSPEND:
|
||||
if ( sc->active) {
|
||||
if ( sc->active)
|
||||
apm_suspend();
|
||||
} else {
|
||||
else
|
||||
error = EINVAL;
|
||||
}
|
||||
break;
|
||||
case APMIO_GETINFO:
|
||||
if (apm_get_info(sc, (apm_info_t)addr)) {
|
||||
if (apm_get_info((apm_info_t)addr))
|
||||
error = ENXIO;
|
||||
}
|
||||
break;
|
||||
case APMIO_ENABLE:
|
||||
apm_event_enable(sc);
|
||||
apm_event_enable();
|
||||
break;
|
||||
case APMIO_DISABLE:
|
||||
apm_event_disable(sc);
|
||||
apm_event_disable();
|
||||
break;
|
||||
case APMIO_HALTCPU:
|
||||
apm_halt_cpu(sc);
|
||||
apm_halt_cpu();
|
||||
break;
|
||||
case APMIO_NOTHALTCPU:
|
||||
apm_not_halt_cpu(sc);
|
||||
apm_not_halt_cpu();
|
||||
break;
|
||||
case APMIO_DISPLAYOFF:
|
||||
if (apm_display_off()) {
|
||||
case APMIO_DISPLAY:
|
||||
newstate = *(int *)addr;
|
||||
if (apm_display(newstate))
|
||||
error = ENXIO;
|
||||
}
|
||||
break;
|
||||
default:
|
||||
error = EINVAL;
|
||||
|
||||
@ -1,7 +1,7 @@
|
||||
/*
|
||||
* APM (Advanced Power Management) BIOS Device Driver
|
||||
*
|
||||
* Copyright (c) 1994-1995 by HOSOKAWA, Tatsumi <hosokawa@mt.cs.keio.ac.jp>
|
||||
* Copyright (c) 1994-1995 by HOSOKAWA, Tatsumi <hosokawa@jp.FreeBSD.org>
|
||||
*
|
||||
* This software may be used, modified, copied, and distributed, in
|
||||
* both source and binary form provided that the above copyright and
|
||||
@ -12,7 +12,7 @@
|
||||
*
|
||||
* Sep., 1994 Implemented on FreeBSD 1.1.5.1R (Toshiba AVS001WD)
|
||||
*
|
||||
* $Id: apm_init.S,v 1.6 1996/03/12 21:23:56 nate Exp $
|
||||
* $Id: apm_init.S,v 1.7 1996/04/18 19:22:58 nate Exp $
|
||||
*/
|
||||
|
||||
/*
|
||||
|
||||
@ -1,7 +1,7 @@
|
||||
/*
|
||||
* APM (Advanced Power Management) BIOS Device Driver
|
||||
*
|
||||
* Copyright (c) 1994-1995 by HOSOKAWA, Tatsumi <hosokawa@mt.cs.keio.ac.jp>
|
||||
* Copyright (c) 1994-1995 by HOSOKAWA, Tatsumi <hosokawa@jp.FreeBSD.org>
|
||||
*
|
||||
* This software may be used, modified, copied, and distributed, in
|
||||
* both source and binary form provided that the above copyright and
|
||||
@ -12,7 +12,7 @@
|
||||
*
|
||||
* Sep., 1994 Implemented on FreeBSD 1.1.5.1R (Toshiba AVS001WD)
|
||||
*
|
||||
* $Id: table.c,v 1.3 1995/02/17 02:22:34 phk Exp $
|
||||
* $Id: table.c,v 1.4 1995/05/30 07:58:18 rgrimes Exp $
|
||||
*/
|
||||
|
||||
#include <apm_bios.h>
|
||||
|
||||
@ -1,7 +1,5 @@
|
||||
/*
|
||||
* LP (Laptop Package)
|
||||
*
|
||||
* Copyright (C) 1994 by HOSOKAWA, Tatsumi <hosokawa@mt.cs.keio.ac.jp>
|
||||
* Copyright (C) 1994 by HOSOKAWA, Tatsumi <hosokawa@jp.FreeBSD.org>
|
||||
*
|
||||
* This software may be used, modified, copied, distributed, and sold,
|
||||
* in both source and binary form provided that the above copyright and
|
||||
@ -12,7 +10,7 @@
|
||||
*
|
||||
* Sep., 1994 Implemented on FreeBSD 1.1.5.1R (Toshiba AVS001WD)
|
||||
*
|
||||
* $Id: apm_setup.h,v 1.3 1995/02/17 02:22:22 phk Exp $
|
||||
* $Id: apm_setup.h,v 1.4 1995/05/30 07:58:08 rgrimes Exp $
|
||||
*/
|
||||
|
||||
extern u_long apm_version;
|
||||
|
||||
@ -1,7 +1,5 @@
|
||||
/*
|
||||
* LP (Laptop Package)
|
||||
*
|
||||
* Copyright (C) 1994 by HOSOKAWA, Tatsumi <hosokawa@mt.cs.keio.ac.jp>
|
||||
* Copyright (C) 1994 by HOSOKAWA, Tatsumi <hosokawa@jp.FreeBSD.org>
|
||||
*
|
||||
* This software may be used, modified, copied, distributed, and sold,
|
||||
* in both source and binary form provided that the above copyright and
|
||||
@ -12,7 +10,7 @@
|
||||
*
|
||||
* Sep., 1994 Implemented on FreeBSD 1.1.5.1R (Toshiba AVS001WD)
|
||||
*
|
||||
* $Id: apm_setup.s,v 1.6 1996/03/11 06:48:48 nate Exp $
|
||||
* $Id: apm_setup.s,v 1.7 1996/07/10 15:09:48 nate Exp $
|
||||
*/
|
||||
|
||||
#include "apm.h"
|
||||
|
||||
@ -12,7 +12,7 @@
|
||||
*
|
||||
* Aug, 1994 Implemented on FreeBSD 1.1.5.1R (Toshiba AVS001WD)
|
||||
*
|
||||
* $Id: apm_bios.h,v 1.11 1996/09/12 11:08:04 asami Exp $
|
||||
* $Id: apm_bios.h,v 1.12 1996/09/21 14:57:49 bde Exp $
|
||||
*/
|
||||
|
||||
#ifndef _MACHINE_APM_BIOS_H_
|
||||
@ -193,7 +193,7 @@ typedef struct apm_info {
|
||||
#define APMIO_DISABLE _IO('P', 6)
|
||||
#define APMIO_HALTCPU _IO('P', 7)
|
||||
#define APMIO_NOTHALTCPU _IO('P', 8)
|
||||
#define APMIO_DISPLAYOFF _IO('P', 9)
|
||||
#define APMIO_DISPLAY _IOW('P', 9, int)
|
||||
|
||||
#endif /* !ASSEMBLER && !INITIALIZER */
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user