Module Name:    src
Committed By:   macallan
Date:           Tue Oct 12 16:00:22 UTC 2010

Modified Files:
        src/sys/dev/pci: voodoofb.c

Log Message:
make higher resolutions than 1024x768 work


To generate a diff of this commit:
cvs rdiff -u -r1.22 -r1.23 src/sys/dev/pci/voodoofb.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: src/sys/dev/pci/voodoofb.c
diff -u src/sys/dev/pci/voodoofb.c:1.22 src/sys/dev/pci/voodoofb.c:1.23
--- src/sys/dev/pci/voodoofb.c:1.22	Tue May  4 05:00:33 2010
+++ src/sys/dev/pci/voodoofb.c	Tue Oct 12 16:00:21 2010
@@ -1,4 +1,4 @@
-/*	$NetBSD: voodoofb.c,v 1.22 2010/05/04 05:00:33 macallan Exp $	*/
+/*	$NetBSD: voodoofb.c,v 1.23 2010/10/12 16:00:21 macallan Exp $	*/
 
 /*
  * Copyright (c) 2005, 2006 Michael Lorenz
@@ -32,7 +32,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: voodoofb.c,v 1.22 2010/05/04 05:00:33 macallan Exp $");
+__KERNEL_RCSID(0, "$NetBSD: voodoofb.c,v 1.23 2010/10/12 16:00:21 macallan Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -48,9 +48,6 @@
 #define HAVE_OPENFIRMWARE
 #endif
 
-/* XXX should be configurable */
-#define VOODOOFB_VIDEOMODE 15
-
 #ifdef HAVE_OPENFIRMWARE
 #include <dev/ofw/openfirm.h>
 #include <dev/ofw/ofw_pci.h>
@@ -98,6 +95,7 @@
 
 	int bits_per_pixel;
 	int width, height, linebytes;
+	const struct videomode *sc_videomode;
 
 	int sc_mode;
 	uint32_t sc_bg;
@@ -386,7 +384,8 @@
 #endif
 
 	/* XXX this should at least be configurable via kernel config */
-	voodoofb_set_videomode(sc, &videomode_list[VOODOOFB_VIDEOMODE]);
+	if ((sc->sc_videomode = pick_mode_by_ref(1024, 768, 60)) != NULL)
+		voodoofb_set_videomode(sc, sc->sc_videomode);
 
 	vcons_init(&sc->vd, sc, &voodoofb_defaultscreen, &voodoofb_accessops);
 	sc->vd.init_screen = voodoofb_init_screen;
@@ -409,7 +408,7 @@
 		 * since we're not the console we can postpone the rest
 		 * until someone actually allocates a screen for us
 		 */
-		voodoofb_set_videomode(sc, &videomode_list[0]);		 
+		voodoofb_set_videomode(sc, sc->sc_videomode);		 
 	}
 
 	printf("%s: %d MB aperture at 0x%08x, %d MB registers at 0x%08x\n",
@@ -508,7 +507,7 @@
 
 	voodoofb_init(sc);
 	/* XXX this should at least be configurable via kernel config */
-	voodoofb_set_videomode(sc, &videomode_list[VOODOOFB_VIDEOMODE]);
+	voodoofb_set_videomode(sc, sc->sc_videomode);
 
 	return 0;
 }
@@ -1245,6 +1244,21 @@
 	mode->vr_crtc[22] = vertical_blanking_end + 1;
 	mode->vr_crtc[23] = 128;
 	mode->vr_crtc[24] = 255;
+
+	/* overflow registers */
+	mode->vr_crtc[CRTC_HDISP_EXT] =
+	    (horizontal_total&0x100) >> 8 |
+	    (horizontal_display_end & 0x100) >> 6 | 
+	    (horizontal_blanking_start & 0x100) >> 4 |
+	    (horizontal_blanking_end & 0x40) >> 1 |
+	    (horizontal_sync_start & 0x100) >> 2 |
+	    (horizontal_sync_end & 0x20) << 2;
+	    
+	mode->vr_crtc[CRTC_VDISP_EXT] =
+	    (vertical_total & 0x400) >> 10 |
+	    (vertical_display_enable_end & 0x400) >> 8 |
+	    (vertical_blanking_start & 0x400) >> 6 |
+	    (vertical_blanking_end & 0x400) >> 4;
     
 	/* attr regs start */
 	mode->vr_attr[0] = 0;
@@ -1284,7 +1298,7 @@
     
 	for(i = 0; i < 5; i++)
 		voodoo3_write_seq(sc, i, mode->vr_seq[i]);
-	for (i = 0; i < 0x19; i ++)
+	for (i = 0; i < CRTC_PCI_READBACK; i ++)
         	voodoo3_write_crtc(sc, i, mode->vr_crtc[i]);
 	for (i = 0; i < 0x14; i ++)
         	voodoo3_write_attr(sc, i, mode->vr_attr[i]);
@@ -1361,7 +1375,7 @@
 	
 	voodoo3_make_room(sc, 5);
 	voodoo3_write32(sc, VIDSCREENSIZE, sc->width | (sc->height << 12));
-	voodoo3_write32(sc, VIDDESKSTART,  1024);
+	voodoo3_write32(sc, VIDDESKSTART,  0);
 
 	vidproc &= ~VIDCFG_HWCURSOR_ENABLE;
 	voodoo3_write32(sc, VIDPROCCFG, vidproc);

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