Make secondary output support mandatory for Matrox G450/G550.

drivers/video/Config.help

@@ -387,8 +387,7 @@ CONFIG_FB_MATROX
   Say Y here if you have a Matrox Millennium, Matrox Millennium II,
   Matrox Mystique, Matrox Mystique 220, Matrox Productiva G100, Matrox
   Mystique G200, Matrox Millennium G200, Matrox Marvel G200 video,
-  Matrox G400, G450 or G550 card in your box. At this time, support for 
-  the G-series digital output is almost non-existant.
+  Matrox G400, G450 or G550 card in your box.
 
   This driver is also available as a module ( = code which can be
   inserted and removed from the running kernel whenever you want).
@@ -413,7 +412,7 @@ CONFIG_FB_MATROX_MYSTIQUE
   packed pixel and 32 bpp packed pixel. You can also use font widths
   different from 8.
 
-CONFIG_FB_MATROX_G100
+CONFIG_FB_MATROX_G450
   Say Y here if you have a Matrox G100, G200, G400, G450 or G550 based
   video card. If you select "Advanced lowlevel driver options", you
   should check 8 bpp packed pixel, 16 bpp packed pixel, 24 bpp packed
@@ -423,11 +422,26 @@ CONFIG_FB_MATROX_G100
   If you need support for G400 secondary head, you must first say Y to
   "I2C support" and "I2C bit-banging support" in the character devices
   section, and then to "Matrox I2C support" and "G400 second head
-  support" here in the framebuffer section.
+  support" here in the framebuffer section. G450/G550 secondary head
+  and digital output are supported without additional modules.
+  
+  Do not forget that second head supports only 16 and 32 bpp
+  packed pixels, so it is a good idea to compile them into the kernel
+  too. You can use only some font widths, as the driver uses generic
+  painting procedures (the secondary head does not use acceleration
+  engine).
   
-  If you have G550, you must also compile support for G450/G550 secondary
-  head into kernel, otherwise picture will be shown only on output you
-  are probably not using...
+CONFIG_FB_MATROX_G100A
+  Say Y here if you have a Matrox G100, G200 or G400 based
+  video card. If you select "Advanced lowlevel driver options", you
+  should check 8 bpp packed pixel, 16 bpp packed pixel, 24 bpp packed
+  pixel and 32 bpp packed pixel. You can also use font widths
+  different from 8.
+
+  If you need support for G400 secondary head, you must first say Y to
+  "I2C support" and "I2C bit-banging support" in the character devices
+  section, and then to "Matrox I2C support" and "G400 second head
+  support" here in the framebuffer section.
 
 CONFIG_FB_MATROX_I2C
   This drivers creates I2C buses which are needed for accessing the
@@ -470,27 +484,6 @@ CONFIG_FB_MATROX_MAVEN
   painting procedures (the secondary head does not use acceleration
   engine).
 
-CONFIG_FB_MATROX_G450
-  Say Y or M here if you want to use a secondary head (meaning two
-  monitors in parallel) on G450, or if you are using analog output
-  of G550.
-
-  If you compile it as module, two modules are created,
-  matroxfb_crtc2.o and matroxfb_g450.o. Both modules are needed if you
-  want two independent display devices.
-
-  The driver starts in monitor mode and currently does not support
-  output in TV modes.  You must use the matroxset tool (available
-  at <ftp://platan.vc.cvut.cz/pub/linux/matrox-latest/>) to swap
-  primary and secondary head outputs.  Secondary head driver always
-  start in 640x480 resolution and you must use fbset to change it.
-
-  Also do not forget that second head supports only 16 and 32 bpp
-  packed pixels, so it is a good idea to compile them into the kernel
-  too. You can use only some font widths, as the driver uses generic
-  painting procedures (the secondary head does not use acceleration
-  engine).
-
 CONFIG_FB_MATROX_MULTIHEAD
   Say Y here if you have more than one (supported) Matrox device in
   your computer and you want to use all of them for different monitors

drivers/video/Config.in

@@ -130,14 +130,19 @@ if [ "$CONFIG_FB" = "y" ]; then
 	 if [ "$CONFIG_FB_MATROX" != "n" ]; then
 	    bool '    Millennium I/II support' CONFIG_FB_MATROX_MILLENIUM
 	    bool '    Mystique support' CONFIG_FB_MATROX_MYSTIQUE
-	    bool '    G100/G200/G400/G450/G550 support' CONFIG_FB_MATROX_G100
+	    bool '    G100/G200/G400/G450/G550 support' CONFIG_FB_MATROX_G450
+	    if [ "$CONFIG_FB_MATROX_G450" = "n" ]; then
+	       bool '    G100/G200/G400 support' CONFIG_FB_MATROX_G100A
+	    fi
+	    if [ "$CONFIG_FB_MATROX_G450" = "y" -o "$CONFIG_FB_MATROX_G100A" = "y" ]; then
+	       define_bool CONFIG_FB_MATROX_G100 y
+	    fi
             if [ "$CONFIG_I2C" != "n" ]; then
 	       dep_tristate '      Matrox I2C support' CONFIG_FB_MATROX_I2C $CONFIG_FB_MATROX $CONFIG_I2C_ALGOBIT
 	       if [ "$CONFIG_FB_MATROX_G100" = "y" ]; then
 	          dep_tristate '      G400 second head support' CONFIG_FB_MATROX_MAVEN $CONFIG_FB_MATROX_I2C
 	       fi
             fi
-            dep_tristate '      G450/G550 second head support (mandatory for G550)' CONFIG_FB_MATROX_G450 $CONFIG_FB_MATROX_G100
 	    bool '    Multihead support' CONFIG_FB_MATROX_MULTIHEAD
 	 fi
 	 tristate '  ATI Mach64 display support (EXPERIMENTAL)' CONFIG_FB_ATY

drivers/video/matrox/Makefile

@@ -5,16 +5,16 @@
 # All of the (potential) objects that export symbols.
 # This list comes from 'grep -l EXPORT_SYMBOL *.[hc]'.
 
-export-objs    :=  matroxfb_base.o matroxfb_accel.o matroxfb_DAC1064.o matroxfb_Ti3026.o matroxfb_misc.o g450_pll.o
+export-objs    :=  matroxfb_base.o matroxfb_accel.o matroxfb_DAC1064.o matroxfb_Ti3026.o matroxfb_misc.o g450_pll.o matroxfb_g450.o
 
 # Each configuration option enables a list of files.
 
-my-obj-$(CONFIG_FB_MATROX_G100)	  := g450_pll.o
+my-obj-$(CONFIG_FB_MATROX_G100)	  += g450_pll.o
+my-obj-$(CONFIG_FB_MATROX_G450)   += matroxfb_g450.o matroxfb_crtc2.o
 
 obj-$(CONFIG_FB_MATROX)           += matroxfb_base.o matroxfb_accel.o matroxfb_DAC1064.o matroxfb_Ti3026.o matroxfb_misc.o $(my-obj-y)
 obj-$(CONFIG_FB_MATROX_I2C)       += i2c-matroxfb.o
 obj-$(CONFIG_FB_MATROX_MAVEN)     += matroxfb_maven.o matroxfb_crtc2.o
-obj-$(CONFIG_FB_MATROX_G450)	  += matroxfb_g450.o matroxfb_crtc2.o
 
 include $(TOPDIR)/Rules.make
 

drivers/video/matrox/matroxfb_base.c

@@ -100,6 +100,7 @@
 #include "matroxfb_Ti3026.h"
 #include "matroxfb_maven.h"
 #include "matroxfb_crtc2.h"
+#include "matroxfb_g450.h"
 #include <linux/matroxfb.h>
 #include <asm/uaccess.h>
 
@@ -212,6 +213,7 @@ static void matroxfb_remove(WPMINFO int dummy) {
 	}
 	matroxfb_unregister_device(MINFO);
 	unregister_framebuffer(&ACCESS_FBINFO(fbcon));
+	matroxfb_g450_shutdown(PMINFO2);
 	del_timer_sync(&ACCESS_FBINFO(cursor.timer));
 #ifdef CONFIG_MTRR
 	if (ACCESS_FBINFO(mtrr.vram_valid))
@@ -1732,6 +1734,7 @@ static int initMatrox2(WPMINFO struct display* d, struct board* b){
 
 	if (!ACCESS_FBINFO(devflags.novga))
 		request_region(0x3C0, 32, "matrox");
+	matroxfb_g450_connect(PMINFO2);
 	ACCESS_FBINFO(hw_switch->reset(PMINFO2));
 
 	ACCESS_FBINFO(fbcon.monspecs.hfmin) = 0;
@@ -1885,6 +1888,7 @@ static int initMatrox2(WPMINFO struct display* d, struct board* b){
 	}
 	return 0;
 failVideoIO:;
+	matroxfb_g450_shutdown(PMINFO2);
 	mga_iounmap(ACCESS_FBINFO(video.vbase));
 failCtrlIO:;
 	mga_iounmap(ACCESS_FBINFO(mmio.vbase));

drivers/video/matrox/matroxfb_g450.c

@@ -71,76 +71,41 @@ static struct matrox_altout matroxfb_g450_altout = {
 	matroxfb_g450_get_mode
 };
 
-static int matroxfb_g450_connect(struct matroxfb_g450_info* m2info) {
-	MINFO_FROM(m2info->primary_dev);
-
-	down_write(&ACCESS_FBINFO(altout.lock));
-	ACCESS_FBINFO(altout.device) = m2info;
-	ACCESS_FBINFO(altout.output) = &matroxfb_g450_altout;
-	up_write(&ACCESS_FBINFO(altout.lock));
-	ACCESS_FBINFO(output.all) |= MATROXFB_OUTPUT_CONN_SECONDARY;
-	matroxfb_switch(ACCESS_FBINFO(fbcon.currcon), (struct fb_info*)MINFO);	
-	return 0;
-}
-
-static void matroxfb_g450_shutdown(struct matroxfb_g450_info* m2info) {
-	MINFO_FROM(m2info->primary_dev);
-	
-	if (MINFO) {
-		ACCESS_FBINFO(output.all) &= ~MATROXFB_OUTPUT_CONN_SECONDARY;
-		ACCESS_FBINFO(output.ph) &= ~MATROXFB_OUTPUT_CONN_SECONDARY;
-		ACCESS_FBINFO(output.sh) &= ~MATROXFB_OUTPUT_CONN_SECONDARY;
-		down_write(&ACCESS_FBINFO(altout.lock));
-		ACCESS_FBINFO(altout.device) = NULL;
-		ACCESS_FBINFO(altout.output) = NULL;
-		up_write(&ACCESS_FBINFO(altout.lock));
-		m2info->primary_dev = NULL;
-	}
-}
-
-/* we do not have __setup() yet */
-static void* matroxfb_g450_probe(struct matrox_fb_info* minfo) {
+void matroxfb_g450_connect(WPMINFO2) {
 	struct matroxfb_g450_info* m2info;
-
+	
 	/* hardware is not G450... */
 	if (!ACCESS_FBINFO(devflags.g450dac))
-		return NULL;
+		return;
 	m2info = (struct matroxfb_g450_info*)kmalloc(sizeof(*m2info), GFP_KERNEL);
 	if (!m2info) {
 		printk(KERN_ERR "matroxfb_g450: Not enough memory for G450 DAC control structs\n");
-		return NULL;
+		return;
 	}
 	memset(m2info, 0, sizeof(*m2info));
+	down_write(&ACCESS_FBINFO(altout.lock));
 	m2info->primary_dev = MINFO;
-	if (matroxfb_g450_connect(m2info)) {
-		kfree(m2info);
-		printk(KERN_ERR "matroxfb_g450: G450 DAC failed to initialize\n");
-		return NULL;
-	}
-	return m2info;
-}
-
-static void matroxfb_g450_remove(struct matrox_fb_info* minfo, void* g450) {
-	matroxfb_g450_shutdown(g450);
-	kfree(g450);
+	ACCESS_FBINFO(altout.device) = m2info;
+	ACCESS_FBINFO(altout.output) = &matroxfb_g450_altout;
+	up_write(&ACCESS_FBINFO(altout.lock));
+	ACCESS_FBINFO(output.all) |= MATROXFB_OUTPUT_CONN_SECONDARY;
+	matroxfb_switch(ACCESS_FBINFO(fbcon.currcon), (struct fb_info*)MINFO);
 }
 
-static struct matroxfb_driver g450 = {
-		.name =		"Matrox G450 output #2",
-		.probe =	matroxfb_g450_probe,
-		.remove =	matroxfb_g450_remove };
-
-static int matroxfb_g450_init(void) {
-	matroxfb_register_driver(&g450);
-	return 0;
+void matroxfb_g450_shutdown(WPMINFO2) {
+	ACCESS_FBINFO(output.all) &= ~MATROXFB_OUTPUT_CONN_SECONDARY;
+	ACCESS_FBINFO(output.ph) &= ~MATROXFB_OUTPUT_CONN_SECONDARY;
+	ACCESS_FBINFO(output.sh) &= ~MATROXFB_OUTPUT_CONN_SECONDARY;
+	down_write(&ACCESS_FBINFO(altout.lock));
+	kfree(ACCESS_FBINFO(altout.device));
+	ACCESS_FBINFO(altout.device) = NULL;
+	ACCESS_FBINFO(altout.output) = NULL;
+	up_write(&ACCESS_FBINFO(altout.lock));
 }
 
-static void matroxfb_g450_exit(void) {
-	matroxfb_unregister_driver(&g450);
-}
+EXPORT_SYMBOL(matroxfb_g450_connect);
+EXPORT_SYMBOL(matroxfb_g450_shutdown);
 
 MODULE_AUTHOR("(c) 2000-2001 Petr Vandrovec <vandrove@vc.cvut.cz>");
 MODULE_DESCRIPTION("Matrox G450 secondary output driver");
 MODULE_LICENSE("GPL");
-module_init(matroxfb_g450_init);
-module_exit(matroxfb_g450_exit);

drivers/video/matrox/matroxfb_g450.h

 #ifndef __MATROXFB_G450_H__
 #define __MATROXFB_G450_H__
 
-#include <linux/ioctl.h>
 #include "matroxfb_base.h"
 
 struct matroxfb_g450_info {
@@ -9,4 +8,12 @@ struct matroxfb_g450_info {
 	unsigned int		timmings;
 };
 
-#endif /* __MATROXFB_MAVEN_H__ */
+#ifdef CONFIG_FB_MATROX_G450
+void matroxfb_g450_connect(WPMINFO2);
+void matroxfb_g450_shutdown(WPMINFO2);
+#else
+static inline void matroxfb_g450_connect(WPMINFO2) { };
+static inline void matroxfb_g450_shutdown(WPMINFO2) { };
+#endif
+
+#endif /* __MATROXFB_G450_H__ */