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Try to talk to the APM BIOS with version 1.2 if possible.

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This commit is contained in:
Poul-Henning Kamp 1997-03-28 18:38:19 +00:00
parent 71725c7e0b
commit 0a07eccfdd
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=24351
2 changed files with 14 additions and 6 deletions
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10
sys/i386/apm/apm.c
View File

@ -14,7 +14,7 @@
*
* Sep, 1994 Implemented on FreeBSD 1.1.5.1R (Toshiba AVS001WD)
*
* $Id$
* $Id: apm.c,v 1.53 1997/02/22 09:29:49 peter Exp $
*/
#include <sys/param.h>
@ -147,7 +147,7 @@ apm_enable_disable_pm(int enable)
return apm_int(&eax, &ebx, &ecx);
}
/* Tell APM-BIOS that WE will do 1.1 and see what they say... */
/* Tell APM-BIOS that WE will do 1.2 and see what they say... */
static void
apm_driver_version(void)
{
@ -155,7 +155,11 @@ apm_driver_version(void)
eax = (APM_BIOS << 8) | APM_DRVVERSION;
ebx = 0x0;
/* XXX - The APM 1.1 specification is only supported for now */
/* First try APM 1.2 */
ecx = 0x0102;
if(!apm_int(&eax, &ebx, &ecx))
apm_version = eax & 0xffff;
/* Then try APM 1.1 */
ecx = 0x0101;
if(!apm_int(&eax, &ebx, &ecx))
apm_version = eax & 0xffff;

10
sys/i386/bios/apm.c
View File

@ -14,7 +14,7 @@
*
* Sep, 1994 Implemented on FreeBSD 1.1.5.1R (Toshiba AVS001WD)
*
* $Id$
* $Id: apm.c,v 1.53 1997/02/22 09:29:49 peter Exp $
*/
#include <sys/param.h>
@ -147,7 +147,7 @@ apm_enable_disable_pm(int enable)
return apm_int(&eax, &ebx, &ecx);
}
/* Tell APM-BIOS that WE will do 1.1 and see what they say... */
/* Tell APM-BIOS that WE will do 1.2 and see what they say... */
static void
apm_driver_version(void)
{
@ -155,7 +155,11 @@ apm_driver_version(void)
eax = (APM_BIOS << 8) | APM_DRVVERSION;
ebx = 0x0;
/* XXX - The APM 1.1 specification is only supported for now */
/* First try APM 1.2 */
ecx = 0x0102;
if(!apm_int(&eax, &ebx, &ecx))
apm_version = eax & 0xffff;
/* Then try APM 1.1 */
ecx = 0x0101;
if(!apm_int(&eax, &ebx, &ecx))
apm_version = eax & 0xffff;