Aren
/
NetBSD
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Introduce machdep mca_disk_[un]busy(), which turn on/off disk LED. 

Call as appropriate from the ESDI disk driver
This commit is contained in:
jdolecek 2001-04-22 11:52:18 +00:00
parent 738e87aeb9
commit 912e570671
3 changed files with 34 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
sys/arch/i386/include/mca_machdep.h
View File

@ -1,4 +1,4 @@
/* $NetBSD: mca_machdep.h,v 1.4 2000/07/09 10:35:11 jdolecek Exp $ */
/* $NetBSD: mca_machdep.h,v 1.5 2001/04/22 11:52:18 jdolecek Exp $ */
/*
* Copyright (c) 2000 The NetBSD Foundation, Inc.
@ -84,6 +84,12 @@ int mca_conf_read(mca_chipset_tag_t, int, int);
void mca_conf_write(mca_chipset_tag_t, int, int, int);
void mca_busprobe(void);
/*
* These two are used to light disk busy LED on PS/2 during disk operations.
*/
void mca_disk_busy(void);
void mca_disk_unbusy(void);
/* MCA register addresses for IBM PS/2 */
#define PS2_SYS_CTL_A 0x92 /* PS/2 System Control Port A */

23
sys/arch/i386/mca/mca_machdep.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: mca_machdep.c,v 1.5 2001/04/22 11:51:45 jdolecek Exp $ */
/* $NetBSD: mca_machdep.c,v 1.6 2001/04/22 11:52:18 jdolecek Exp $ */
/*-
* Copyright (c) 2000 The NetBSD Foundation, Inc.
@ -279,3 +279,24 @@ mca_busprobe()
MCA_system = (bios_features & FEATURE_MCABUS) ? 1 : 0;
#endif /* 0 */
}
#define PORT_DISKLED 0x92
#define DISKLED_ON 0x40
/*
* Light disk busy LED on IBM PS/2.
*/
void
mca_disk_busy(void)
{
outb(PORT_DISKLED, inb(PORT_DISKLED) | DISKLED_ON);
}
/*
* Turn off disk LED on IBM PS/2.
*/
void
mca_disk_unbusy(void)
{
outb(PORT_DISKLED, inb(PORT_DISKLED) & ~DISKLED_ON);
}

6
sys/dev/mca/ed_mca.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: ed_mca.c,v 1.3 2001/04/22 11:32:49 jdolecek Exp $ */
/* $NetBSD: ed_mca.c,v 1.4 2001/04/22 11:52:18 jdolecek Exp $ */
/*
* Copyright (c) 2001 The NetBSD Foundation, Inc.
@ -63,6 +63,8 @@
#include <machine/intr.h>
#include <machine/bus.h>
#include <dev/mca/mcavar.h>
#include <dev/mca/edcreg.h>
#include <dev/mca/edvar.h>
#include <dev/mca/edcvar.h>
@ -374,6 +376,7 @@ __edstart(ed, bp)
/* Instrumentation. */
disk_busy(&ed->sc_dk);
ed->sc_flags |= EDF_DK_BUSY;
mca_disk_busy();
/* Read or Write Data command */
cmd_args[0] = 2; /* Options 0000010 */
@ -430,6 +433,7 @@ edmcadone(ed)
if (ed->sc_flags & EDF_DK_BUSY) {
disk_unbusy(&ed->sc_dk, (bp->b_bcount - bp->b_resid));
ed->sc_flags &= ~EDF_DK_BUSY;
mca_disk_unbusy();
}
ed->sc_flags &= ~EDF_IODONE;