Add a new member to struct wsemuldisplaydev_attach_args, for a frame buffer

driver to be able to tell how many wscons screens to attach to it,
instead of WSDISPLAY_DEFAULTSCREENS which is a global setting.

8 files changed, 23 insertions, 15 deletions

diff --git a/sys/dev/ic/sti.c b/sys/dev/ic/sti.c
index 7e6afa2e8b4..500aa22e873 100644
--- a/sys/dev/ic/sti.c
+++ b/sys/dev/ic/sti.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: sti.c,v 1.44 2006/08/22 21:04:32 miod Exp $	*/
+/*	$OpenBSD: sti.c,v 1.45 2006/11/29 12:13:54 miod Exp $	*/
 
 /*
  * Copyright (c) 2000-2003 Michael Shalayeff
@@ -467,6 +467,7 @@ sti_end_attach(void *v)
 	waa.scrdata = &sti_default_screenlist;
 	waa.accessops = &sti_accessops;
 	waa.accesscookie = sc;
+	waa.defaultscreens = 0;
 
 	/* attach as console if required */
 	if (waa.console && !ISSET(sc->sc_flags, STI_ATTACHED)) {
diff --git a/sys/dev/ic/vga.c b/sys/dev/ic/vga.c
index 884dddf39e9..c5489d3df46 100644
--- a/sys/dev/ic/vga.c
+++ b/sys/dev/ic/vga.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: vga.c,v 1.39 2006/09/29 19:46:02 miod Exp $ */
+/* $OpenBSD: vga.c,v 1.40 2006/11/29 12:13:54 miod Exp $ */
 /* $NetBSD: vga.c,v 1.28.2.1 2000/06/30 16:27:47 simonb Exp $ */
 
 /*
@@ -532,6 +532,7 @@ vga_extended_attach(self, iot, memt, type, map)
 	aa.scrdata = (vc->hdl.vh_mono ? &vga_screenlist_mono : &vga_screenlist);
 	aa.accessops = &vga_accessops;
 	aa.accesscookie = vc;
+	aa.defaultscreens = 0;
 
         config_found(self, &aa, wsemuldisplaydevprint);
 }
diff --git a/sys/dev/isa/ega.c b/sys/dev/isa/ega.c
index f0c4bb7448b..4be901605cb 100644
--- a/sys/dev/isa/ega.c
+++ b/sys/dev/isa/ega.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: ega.c,v 1.8 2006/09/29 19:46:04 miod Exp $ */
+/* $OpenBSD: ega.c,v 1.9 2006/11/29 12:13:54 miod Exp $ */
 /* $NetBSD: ega.c,v 1.4.4.1 2000/06/30 16:27:47 simonb Exp $ */
 
 /*
@@ -520,6 +520,7 @@ ega_attach(parent, self, aux)
 	aa.scrdata = &ega_screenlist;
 	aa.accessops = &ega_accessops;
 	aa.accesscookie = dc;
+	aa.defaultscreens = 0;
 
         config_found(self, &aa, wsemuldisplaydevprint);
 }
diff --git a/sys/dev/isa/pcdisplay.c b/sys/dev/isa/pcdisplay.c
index 4f2be0968b3..d39d4316ada 100644
--- a/sys/dev/isa/pcdisplay.c
+++ b/sys/dev/isa/pcdisplay.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: pcdisplay.c,v 1.7 2004/04/02 04:39:51 deraadt Exp $ */
+/* $OpenBSD: pcdisplay.c,v 1.8 2006/11/29 12:13:54 miod Exp $ */
 /* $NetBSD: pcdisplay.c,v 1.9.4.1 2000/06/30 16:27:48 simonb Exp $ */
 
 /*
@@ -287,6 +287,7 @@ pcdisplay_attach(parent, self, aux)
 	aa.scrdata = &pcdisplay_screenlist;
 	aa.accessops = &pcdisplay_accessops;
 	aa.accesscookie = sc;
+	aa.defaultscreens = 0;
 
         config_found(self, &aa, wsemuldisplaydevprint);
 }
diff --git a/sys/dev/pci/tga.c b/sys/dev/pci/tga.c
index 01bc6c89d44..80d6ed8b7c5 100644
--- a/sys/dev/pci/tga.c
+++ b/sys/dev/pci/tga.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: tga.c,v 1.26 2006/02/16 23:05:46 miod Exp $ */
+/* $OpenBSD: tga.c,v 1.27 2006/11/29 12:13:55 miod Exp $ */
 /* $NetBSD: tga.c,v 1.40 2002/03/13 15:05:18 ad Exp $ */
 
 /*
@@ -540,6 +540,7 @@ tgaattach(parent, self, aux)
 	aa.scrdata = &tga_screenlist;
 	aa.accessops = &tga_accessops;
 	aa.accesscookie = sc;
+	aa.defaultscreens = 0;
 
 	config_found(self, &aa, wsemuldisplaydevprint);
 
diff --git a/sys/dev/pcmcia/cfxga.c b/sys/dev/pcmcia/cfxga.c
index 1e011a6d71e..4424a96f46d 100644
--- a/sys/dev/pcmcia/cfxga.c
+++ b/sys/dev/pcmcia/cfxga.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: cfxga.c,v 1.11 2006/11/28 12:01:27 miod Exp $	*/
+/*	$OpenBSD: cfxga.c,v 1.12 2006/11/29 12:13:55 miod Exp $	*/
 
 /*
  * Copyright (c) 2005, 2006, Matthieu Herrb and Miodrag Vallat
@@ -404,9 +404,7 @@ cfxga_attach(struct device *parent, struct device *self, void *aux)
 	waa.scrdata = &sc->sc_wsl;
 	waa.accessops = &cfxga_accessops;
 	waa.accesscookie = sc;
-#ifdef notyet
 	waa.defaultscreens = 1;
-#endif
 
 	if ((sc->sc_wsdisplay =
 	    config_found(self, &waa, wsemuldisplaydevprint)) == NULL) {
diff --git a/sys/dev/wscons/wsdisplay.c b/sys/dev/wscons/wsdisplay.c
index 5112dbc5880..4e71d61d85a 100644
--- a/sys/dev/wscons/wsdisplay.c
+++ b/sys/dev/wscons/wsdisplay.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: wsdisplay.c,v 1.70 2006/11/01 03:37:24 tedu Exp $ */
+/* $OpenBSD: wsdisplay.c,v 1.71 2006/11/29 12:13:55 miod Exp $ */
 /* $NetBSD: wsdisplay.c,v 1.82 2005/02/27 00:27:52 perry Exp $ */
 
 /*
@@ -233,7 +233,7 @@ int	wsdisplayparam(struct tty *, struct termios *);
 void	wsdisplay_common_attach(struct wsdisplay_softc *sc,
 	    int console, int mux, const struct wsscreen_list *,
 	    const struct wsdisplay_accessops *accessops,
-	    void *accesscookie);
+	    void *accesscookie, u_int defaultscreens);
 int	wsdisplay_common_detach(struct wsdisplay_softc *, int);
 
 #ifdef WSDISPLAY_COMPAT_RAWKBD
@@ -571,7 +571,7 @@ wsdisplay_emul_attach(struct device *parent, struct device *self, void *aux)
 
 	wsdisplay_common_attach(sc, ap->console,
 	    sc->sc_dv.dv_cfdata->wsemuldisplaydevcf_mux, ap->scrdata,
-	    ap->accessops, ap->accesscookie);
+	    ap->accessops, ap->accesscookie, ap->defaultscreens);
 
 	if (ap->console && cn_tab == &wsdisplay_cons) {
 		int maj;
@@ -659,7 +659,8 @@ wsemuldisplaydevprint(void *aux, const char *pnp)
 void
 wsdisplay_common_attach(struct wsdisplay_softc *sc, int console, int kbdmux,
     const struct wsscreen_list *scrdata,
-    const struct wsdisplay_accessops *accessops, void *accesscookie)
+    const struct wsdisplay_accessops *accessops, void *accesscookie,
+    u_int defaultscreens)
 {
 	static int hookset = 0;
 	int i, start = 0;
@@ -728,9 +729,12 @@ wsdisplay_common_attach(struct wsdisplay_softc *sc, int console, int kbdmux,
 	/*
 	 * Set up a number of virtual screens if wanted. The
 	 * WSDISPLAYIO_ADDSCREEN ioctl is more flexible, so this code
-	 * is for special cases like installation kernels.
+	 * is for special cases like installation kernels, as well as
+	 * sane multihead defaults.
 	 */
-	for (i = start; i < wsdisplay_defaultscreens; i++) {
+	if (defaultscreens == 0)
+		defaultscreens = wsdisplay_defaultscreens;
+	for (i = start; i < defaultscreens; i++) {
 		if (wsdisplay_addscreen(sc, i, 0, 0))
 			break;
 	}
diff --git a/sys/dev/wscons/wsdisplayvar.h b/sys/dev/wscons/wsdisplayvar.h
index 3f9cb984620..09357bc337d 100644
--- a/sys/dev/wscons/wsdisplayvar.h
+++ b/sys/dev/wscons/wsdisplayvar.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: wsdisplayvar.h,v 1.18 2006/06/30 21:38:19 miod Exp $ */
+/* $OpenBSD: wsdisplayvar.h,v 1.19 2006/11/29 12:13:55 miod Exp $ */
 /* $NetBSD: wsdisplayvar.h,v 1.30 2005/02/04 02:10:49 perry Exp $ */
 
 /*
@@ -143,6 +143,7 @@ struct wsemuldisplaydev_attach_args {
 	const struct wsscreen_list *scrdata;		/* screen cfg info */
 	const struct wsdisplay_accessops *accessops;	/* access ops */
 	void	*accesscookie;				/* access cookie */
+	u_int	defaultscreens;				/* screens to create */
 };
 
 #define	WSEMULDISPLAYDEVCF_CONSOLE	0