- Addition of my name to the APM Copyright
- More code cleanups - #ifdef DEBUG debugging code - More consistant printfs - Better handling of the apm_int() assembly code (mostly from Bruce Evans) Reviewed by: bde
This commit is contained in:
Nate Williams
parent
d1157e5d90
commit
ff35cfa1f0
@ -3,6 +3,7 @@
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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) 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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* both source and binary form provided that the above copyright and
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@ -13,7 +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 1.36 1996/03/19 16:56:56 nate Exp $
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* $Id: apm.c,v 1.37 1996/03/28 14:28:00 scrappy Exp $
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*/
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#include "apm.h"
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@ -74,7 +75,7 @@ static struct kern_devconf kdc_apm = {
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&kdc_isa0, /* parent */
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0, /* parentdata */
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DC_UNCONFIGURED, /* state */
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"APM BIOS",
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"Advanced Power Management BIOS",
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DC_CLS_MISC /* class */
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};
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@ -104,7 +105,6 @@ apm_registerdev(struct isa_device *id)
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if (kdc_apm.kdc_isa)
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return;
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kdc_apm.kdc_state = DC_UNCONFIGURED;
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kdc_apm.kdc_description = "APM BIOS";
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kdc_apm.kdc_unit = 0;
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kdc_apm.kdc_isa = id;
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dev_attach(&kdc_apm);
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@ -145,20 +145,19 @@ int
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apm_int(u_long *eax, u_long *ebx, u_long *ecx)
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{
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u_long cf;
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__asm ("pushl %%ebp
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pushl %%edx
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pushl %%esi
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xorl %3,%3
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movl %3,%%esi
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__asm __volatile("
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pushfl
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cli
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lcall _apm_addr
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movl $0, %3
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jnc 1f
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incl %3
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1:
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popl %%esi
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popl %%edx
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popl %%ebp"
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popfl
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"
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: "=a" (*eax), "=b" (*ebx), "=c" (*ecx), "=D" (cf)
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: "0" (*eax), "1" (*ebx), "2" (*ecx)
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: "dx", "si", "memory"
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);
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apm_errno = ((*eax) >> 8) & 0xff;
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return cf;
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@ -188,42 +187,23 @@ apm_driver_version(void)
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{
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u_long eax, ebx, ecx;
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#ifdef APM_DEBUG
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eax = (APM_BIOS<<8) | APM_INSTCHECK;
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ebx = 0x0;
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ecx = 0x0101;
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i = apm_int(&eax, &ebx, &ecx);
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printf("[%04lx %04lx %04lx %ld %02x]\n",
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eax, ebx, ecx, i, apm_errno);
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#endif
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eax = (APM_BIOS << 8) | APM_DRVVERSION;
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ebx = 0x0;
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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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#ifdef APM_DEBUG
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eax = (APM_BIOS << 8) | APM_INSTCHECK;
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ebx = 0x0;
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ecx = 0x0101;
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i = apm_int(&eax, &ebx, &ecx);
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printf("[%04lx %04lx %04lx %ld %02x]\n",
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eax, ebx, ecx, i, apm_errno);
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#endif
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}
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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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{
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u_long eax, ebx, ecx, i;
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u_long eax, ebx, ecx;
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eax = (APM_BIOS << 8) | APM_ENGAGEDISENGAGEPM;
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ebx = PMDV_ALLDEV;
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ecx = engage;
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i = apm_int(&eax, &ebx, &ecx);
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return i;
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return(apm_int(&eax, &ebx, &ecx));
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}
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/* get PM event */
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@ -252,14 +232,11 @@ apm_suspend_system(struct apm_softc *sc)
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ebx = PMDV_ALLDEV;
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ecx = PMST_SUSPEND;
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__asm("cli");
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if (apm_int(&eax, &ebx, &ecx)) {
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__asm("sti");
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printf("Entire system suspend 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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__asm("sti");
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return 0;
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}
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@ -300,7 +277,7 @@ apm_add_hook(struct apmhook **list, struct apmhook *ah)
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int s;
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struct apmhook *p, *prev;
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#if 0
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#ifdef APM_DEBUG
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printf("Add hook \"%s\"\n", ah->ah_name);
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#endif
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@ -359,7 +336,7 @@ apm_execute_hook(struct apmhook *list)
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struct apmhook *p;
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for (p = list; p != NULL; p = p->ah_next) {
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#if 0
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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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@ -653,14 +630,12 @@ apm_processevent(struct apm_softc *sc)
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#ifdef APM_DEBUG
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# define OPMEV_DEBUGMESSAGE(symbol) case symbol: \
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printf("Original APM Event: " #symbol "\n");
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printf("Received APM Event: " #symbol "\n");
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#else
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# define OPMEV_DEBUGMESSAGE(symbol) case symbol:
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#endif
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while (1) {
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do {
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apm_event = apm_getevent(sc);
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if (apm_event == PMEV_NOEVENT)
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break;
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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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@ -687,19 +662,18 @@ apm_processevent(struct apm_softc *sc)
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apm_battery_low(sc);
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apm_suspend();
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break;
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OPMEV_DEBUGMESSAGE(PMEV_POWERSTATECHANGE);
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break;
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OPMEV_DEBUGMESSAGE(PMEV_UPDATETIME);
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inittodr(0); /* adjust time to RTC */
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break;
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OPMEV_DEBUGMESSAGE(PMEV_NOEVENT);
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break;
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default:
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printf("Unknown Original APM Event 0x%x\n", apm_event);
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break;
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}
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}
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} while (apm_event != PMEV_NOEVENT);
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}
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/*
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@ -736,7 +710,7 @@ apmattach(struct isa_device *dvp)
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/* print bootstrap messages */
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#ifdef APM_DEBUG
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printf(" found APM BIOS version %04x\n", apm_version);
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printf("apm: APM BIOS version %04x\n", apm_version);
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printf("apm: Code32 0x%08x, Code16 0x%08x, Data 0x%08x\n",
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sc->cs32_base, sc->cs16_base, sc->ds_base);
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printf("apm: Code entry 0x%08x, Idling CPU %s, Management %s\n",
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@ -757,7 +731,7 @@ apmattach(struct isa_device *dvp)
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apm_addr.segment = GSEL(GAPMCODE32_SEL, SEL_KPL);
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apm_addr.offset = sc->cs_entry;
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/* Try to kick bios into 1.1 mode */
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/* Try to kick bios into 1.1 or greater mode */
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apm_driver_version();
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sc->minorversion = ((apm_version & 0x00f0) >> 4) * 10 +
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((apm_version & 0x000f) >> 0);
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@ -767,26 +741,35 @@ 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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printf("apm: Engaged control %s\n", is_enabled(!sc->disengaged));
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#endif
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}
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printf(" found APM BIOS version %d.%d\n",
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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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#ifdef APM_DEBUG
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printf("apm: Slow Idling CPU %s\n", is_enabled(sc->slow_idle_cpu));
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#endif
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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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printf("Warning: APM enable function failed! [%x]\n",
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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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#endif
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}
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}
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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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printf("Warning: APM engage function failed [%x]\n",
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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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printf(" (Docked or using external power?).\n");
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#endif
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}
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}
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@ -3,6 +3,7 @@
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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) 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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* both source and binary form provided that the above copyright and
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@ -13,7 +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 1.36 1996/03/19 16:56:56 nate Exp $
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* $Id: apm.c,v 1.37 1996/03/28 14:28:00 scrappy Exp $
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*/
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#include "apm.h"
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@ -74,7 +75,7 @@ static struct kern_devconf kdc_apm = {
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&kdc_isa0, /* parent */
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0, /* parentdata */
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DC_UNCONFIGURED, /* state */
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"APM BIOS",
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"Advanced Power Management BIOS",
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DC_CLS_MISC /* class */
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};
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@ -104,7 +105,6 @@ apm_registerdev(struct isa_device *id)
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if (kdc_apm.kdc_isa)
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return;
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kdc_apm.kdc_state = DC_UNCONFIGURED;
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kdc_apm.kdc_description = "APM BIOS";
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kdc_apm.kdc_unit = 0;
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kdc_apm.kdc_isa = id;
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dev_attach(&kdc_apm);
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@ -145,20 +145,19 @@ int
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apm_int(u_long *eax, u_long *ebx, u_long *ecx)
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{
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u_long cf;
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__asm ("pushl %%ebp
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pushl %%edx
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pushl %%esi
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xorl %3,%3
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movl %3,%%esi
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__asm __volatile("
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pushfl
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cli
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lcall _apm_addr
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movl $0, %3
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jnc 1f
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incl %3
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1:
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popl %%esi
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popl %%edx
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popl %%ebp"
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popfl
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"
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: "=a" (*eax), "=b" (*ebx), "=c" (*ecx), "=D" (cf)
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: "0" (*eax), "1" (*ebx), "2" (*ecx)
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: "dx", "si", "memory"
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);
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apm_errno = ((*eax) >> 8) & 0xff;
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return cf;
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@ -188,42 +187,23 @@ apm_driver_version(void)
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{
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u_long eax, ebx, ecx;
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#ifdef APM_DEBUG
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eax = (APM_BIOS<<8) | APM_INSTCHECK;
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ebx = 0x0;
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ecx = 0x0101;
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i = apm_int(&eax, &ebx, &ecx);
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printf("[%04lx %04lx %04lx %ld %02x]\n",
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eax, ebx, ecx, i, apm_errno);
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#endif
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eax = (APM_BIOS << 8) | APM_DRVVERSION;
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ebx = 0x0;
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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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#ifdef APM_DEBUG
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eax = (APM_BIOS << 8) | APM_INSTCHECK;
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ebx = 0x0;
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ecx = 0x0101;
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i = apm_int(&eax, &ebx, &ecx);
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printf("[%04lx %04lx %04lx %ld %02x]\n",
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eax, ebx, ecx, i, apm_errno);
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#endif
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}
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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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{
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u_long eax, ebx, ecx, i;
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u_long eax, ebx, ecx;
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eax = (APM_BIOS << 8) | APM_ENGAGEDISENGAGEPM;
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ebx = PMDV_ALLDEV;
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ecx = engage;
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i = apm_int(&eax, &ebx, &ecx);
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return i;
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return(apm_int(&eax, &ebx, &ecx));
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}
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/* get PM event */
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@ -252,14 +232,11 @@ apm_suspend_system(struct apm_softc *sc)
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ebx = PMDV_ALLDEV;
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ecx = PMST_SUSPEND;
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__asm("cli");
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if (apm_int(&eax, &ebx, &ecx)) {
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__asm("sti");
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printf("Entire system suspend 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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__asm("sti");
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return 0;
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}
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@ -300,7 +277,7 @@ apm_add_hook(struct apmhook **list, struct apmhook *ah)
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int s;
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struct apmhook *p, *prev;
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#if 0
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#ifdef APM_DEBUG
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printf("Add hook \"%s\"\n", ah->ah_name);
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#endif
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@ -359,7 +336,7 @@ apm_execute_hook(struct apmhook *list)
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struct apmhook *p;
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for (p = list; p != NULL; p = p->ah_next) {
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#if 0
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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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@ -653,14 +630,12 @@ apm_processevent(struct apm_softc *sc)
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#ifdef APM_DEBUG
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# define OPMEV_DEBUGMESSAGE(symbol) case symbol: \
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printf("Original APM Event: " #symbol "\n");
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printf("Received APM Event: " #symbol "\n");
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#else
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# define OPMEV_DEBUGMESSAGE(symbol) case symbol:
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#endif
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while (1) {
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do {
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apm_event = apm_getevent(sc);
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if (apm_event == PMEV_NOEVENT)
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break;
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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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@ -687,19 +662,18 @@ apm_processevent(struct apm_softc *sc)
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apm_battery_low(sc);
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apm_suspend();
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break;
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OPMEV_DEBUGMESSAGE(PMEV_POWERSTATECHANGE);
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break;
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OPMEV_DEBUGMESSAGE(PMEV_UPDATETIME);
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inittodr(0); /* adjust time to RTC */
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break;
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OPMEV_DEBUGMESSAGE(PMEV_NOEVENT);
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break;
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default:
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printf("Unknown Original APM Event 0x%x\n", apm_event);
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break;
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}
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}
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} while (apm_event != PMEV_NOEVENT);
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}
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/*
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@ -736,7 +710,7 @@ apmattach(struct isa_device *dvp)
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/* print bootstrap messages */
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#ifdef APM_DEBUG
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printf(" found APM BIOS version %04x\n", apm_version);
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printf("apm: APM BIOS version %04x\n", apm_version);
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printf("apm: Code32 0x%08x, Code16 0x%08x, Data 0x%08x\n",
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sc->cs32_base, sc->cs16_base, sc->ds_base);
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printf("apm: Code entry 0x%08x, Idling CPU %s, Management %s\n",
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@ -757,7 +731,7 @@ apmattach(struct isa_device *dvp)
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apm_addr.segment = GSEL(GAPMCODE32_SEL, SEL_KPL);
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apm_addr.offset = sc->cs_entry;
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/* Try to kick bios into 1.1 mode */
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/* Try to kick bios into 1.1 or greater mode */
|
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apm_driver_version();
|
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sc->minorversion = ((apm_version & 0x00f0) >> 4) * 10 +
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((apm_version & 0x000f) >> 0);
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@ -767,26 +741,35 @@ 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
|
||||
printf("apm: Engaged control %s\n", is_enabled(!sc->disengaged));
|
||||
#endif
|
||||
}
|
||||
|
||||
printf(" found APM BIOS version %d.%d\n",
|
||||
printf("apm: found APM BIOS version %d.%d\n",
|
||||
sc->majorversion, sc->minorversion);
|
||||
#ifdef APM_DEBUG
|
||||
printf("apm: Slow Idling CPU %s\n", is_enabled(sc->slow_idle_cpu));
|
||||
#endif
|
||||
|
||||
/* enable power management */
|
||||
if (sc->disabled) {
|
||||
if (apm_enable_disable_pm(sc, 1)) {
|
||||
printf("Warning: APM enable function failed! [%x]\n",
|
||||
#ifdef APM_DEBUG
|
||||
printf("apm: *Warning* enable function failed! [%x]\n",
|
||||
apm_errno);
|
||||
#endif
|
||||
}
|
||||
}
|
||||
|
||||
/* engage power managment (APM 1.1 or later) */
|
||||
if (sc->intversion >= INTVERSION(1, 1) && sc->disengaged) {
|
||||
if (apm_engage_disengage_pm(sc, 1)) {
|
||||
printf("Warning: APM engage function failed [%x]\n",
|
||||
#ifdef APM_DEBUG
|
||||
printf("apm: *Warning* engage function failed err=[%x]",
|
||||
apm_errno);
|
||||
printf(" (Docked or using external power?).\n");
|
||||
#endif
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user