[src/trunk]: src/sys/dev/ic #if 0 code to map the VGA BIOS

[macallan <macallan%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/70e55e5b7073
branches:  trunk
changeset: 801861:70e55e5b7073
user:      macallan <macallan%NetBSD.org@localhost>
date:      Thu Aug 21 13:52:22 2014 +0000

description:
#if 0 code to map the VGA BIOS
I've been unable to find any code that actually uses the mapping and we may
want to read the ROM from drm2.
If no users show up within a week or so I'll delete it.

diffstat:

 sys/dev/ic/vga.c        |  7 ++++---
 sys/dev/ic/vga_raster.c |  7 ++++---
 sys/dev/ic/vgavar.h     |  5 +++--
 3 files changed, 11 insertions(+), 8 deletions(-)

diffs (90 lines):

diff -r c3685fc53b44 -r 70e55e5b7073 sys/dev/ic/vga.c
--- a/sys/dev/ic/vga.c  Thu Aug 21 13:44:51 2014 +0000
+++ b/sys/dev/ic/vga.c  Thu Aug 21 13:52:22 2014 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: vga.c,v 1.112 2014/07/12 05:30:33 mlelstv Exp $ */
+/* $NetBSD: vga.c,v 1.113 2014/08/21 13:52:22 macallan Exp $ */
 
 /*
  * Copyright (c) 1995, 1996 Carnegie-Mellon University.
@@ -28,7 +28,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: vga.c,v 1.112 2014/07/12 05:30:33 mlelstv Exp $");
+__KERNEL_RCSID(0, "$NetBSD: vga.c,v 1.113 2014/08/21 13:52:22 macallan Exp $");
 
 #include "opt_vga.h"
 /* for WSCONS_SUPPORT_PCVTFONTS */
@@ -555,13 +555,14 @@
            (vh->vh_mono ? 0x10000 : 0x18000), 0x8000, &vh->vh_memh))
                panic("vga_init: mem subrange failed");
 
+#if 0
        /* should only reserve the space (no need to map - save KVM) */
        vc->vc_biostag = memt;
        if (bus_space_map(vc->vc_biostag, 0xc0000, 0x8000, 0, &vc->vc_bioshdl))
                vc->vc_biosmapped = 0;
        else
                vc->vc_biosmapped = 1;
-
+#endif
        vc->nscreens = 0;
        LIST_INIT(&vc->screens);
        vc->active = NULL;
diff -r c3685fc53b44 -r 70e55e5b7073 sys/dev/ic/vga_raster.c
--- a/sys/dev/ic/vga_raster.c   Thu Aug 21 13:44:51 2014 +0000
+++ b/sys/dev/ic/vga_raster.c   Thu Aug 21 13:52:22 2014 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: vga_raster.c,v 1.41 2014/07/12 05:30:33 mlelstv Exp $  */
+/*     $NetBSD: vga_raster.c,v 1.42 2014/08/21 13:52:22 macallan Exp $ */
 
 /*
  * Copyright (c) 2001, 2002 Bang Jun-Young
@@ -56,7 +56,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: vga_raster.c,v 1.41 2014/07/12 05:30:33 mlelstv Exp $");
+__KERNEL_RCSID(0, "$NetBSD: vga_raster.c,v 1.42 2014/08/21 13:52:22 macallan Exp $");
 
 #include "opt_vga.h"
 #include "opt_wsmsgattrs.h" /* for WSDISPLAY_CUSTOM_OUTPUT */
@@ -402,13 +402,14 @@
            &vh->vh_memh))
                panic("vga_raster_init: mem subrange failed");
 
+#if 0
        /* should only reserve the space (no need to map - save KVM) */
        vc->vc_biostag = memt;
        if (bus_space_map(vc->vc_biostag, 0xc0000, 0x8000, 0, &vc->vc_bioshdl))
                vc->vc_biosmapped = 0;
        else
                vc->vc_biosmapped = 1;
-
+#endif
        vc->nscreens = 0;
        LIST_INIT(&vc->screens);
        vc->active = NULL;
diff -r c3685fc53b44 -r 70e55e5b7073 sys/dev/ic/vgavar.h
--- a/sys/dev/ic/vgavar.h       Thu Aug 21 13:44:51 2014 +0000
+++ b/sys/dev/ic/vgavar.h       Thu Aug 21 13:52:22 2014 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: vgavar.h,v 1.30 2013/01/21 19:49:15 mlelstv Exp $ */
+/* $NetBSD: vgavar.h,v 1.31 2014/08/21 13:52:22 macallan Exp $ */
 
 /*
  * Copyright (c) 1995, 1996 Carnegie-Mellon University.
@@ -55,10 +55,11 @@
        struct vgascreen *active; /* current display */
        const struct wsscreen_descr *currenttype;
 
+#if 0
        int vc_biosmapped;
        bus_space_tag_t vc_biostag;
        bus_space_handle_t vc_bioshdl;
-
+#endif
        struct vgascreen *wantedscreen;
        void (*switchcb)(void *, int, int);
        void *switchcbarg;