x11-drivers/xf86-video-mga: Restore port

This hardware is still present on server hardware.

Sponsored by:	Beckhoff Automation GmbH & Co. KG
PR:	  	270509

x11-drivers/Makefile

@@ -16,6 +16,7 @@
     SUBDIR += xf86-video-ati
     SUBDIR += xf86-video-dummy
     SUBDIR += xf86-video-intel
+    SUBDIR += xf86-video-mga
     SUBDIR += xf86-video-nv
     SUBDIR += xf86-video-qxl
     SUBDIR += xf86-video-scfb

x11-drivers/xf86-video-mga/Makefile

@@ -0,0 +1,16 @@
+PORTNAME=	xf86-video-mga
+PORTVERSION=	2.0.0
+PORTREVISION=	5
+PORTEPOCH=	3
+CATEGORIES=	x11-drivers
+
+MAINTAINER=	x11@FreeBSD.org
+COMMENT=	X.Org mga display driver
+WWW=		https://www.x.org/
+
+USES=		gl xorg-cat:driver
+USE_GL=		gl
+
+GNU_CONFIGURE_MANPREFIX=${PREFIX}/share
+
+.include <bsd.port.mk>

x11-drivers/xf86-video-mga/distinfo

@@ -0,0 +1,3 @@
+TIMESTAMP = 1546479273
+SHA256 (xorg/driver/xf86-video-mga-2.0.0.tar.bz2) = 268946e1a13e9d80e4f724a0740df9e6e8c8bad37697fcbf456924e9fdbb5d79
+SIZE (xorg/driver/xf86-video-mga-2.0.0.tar.bz2) = 452486

x11-drivers/xf86-video-mga/files/patch-src_mga__dac3026.c

@@ -0,0 +1,15 @@
+# Fix a style warning
+#
+--- src/mga_dac3026.c.orig	2017-01-17 22:40:29 UTC
++++ src/mga_dac3026.c
+@@ -886,8 +886,8 @@ MGA3026LoadCursorImage(
+     outTi3026dreg(TVP3026_WADR_PAL, 0x00); 
+ 
+     while(i--) {
+-	while (INREG8(0x1FDA) & 0x01);
+-	while (!(INREG8(0x1FDA) & 0x01));
++	while (INREG8(0x1FDA) & 0x01) {}
++	while (!(INREG8(0x1FDA) & 0x01)) {}
+         outTi3026dreg(TVP3026_CUR_RAM, *(src++));    
+     }
+ }

x11-drivers/xf86-video-mga/files/patch-src_mga__dri.c

@@ -0,0 +1,22 @@
+# Use the correct constants for this type
+#
+--- src/mga_dri.c.orig	2017-01-17 22:40:29 UTC
++++ src/mga_dri.c
+@@ -316,7 +316,7 @@ static void MGAWaitForIdleDMA( ScrnInfoP
+    for (;;) {
+       do {
+          /* first ask for quiescent and flush */
+-         lock.flags = DRM_LOCK_QUIESCENT | DRM_LOCK_FLUSH;
++         lock.flags = _DRM_LOCK_QUIESCENT | _DRM_LOCK_FLUSH;
+          do {
+ 	    ret = drmCommandWrite( pMga->drmFD, DRM_MGA_FLUSH,
+                                    &lock, sizeof( drm_lock_t ) );
+@@ -324,7 +324,7 @@ static void MGAWaitForIdleDMA( ScrnInfoP
+ 
+          /* if it's still busy just try quiescent */
+          if ( ret == -EBUSY ) { 
+-            lock.flags = DRM_LOCK_QUIESCENT;
++            lock.flags = _DRM_LOCK_QUIESCENT;
+             do {
+ 	       ret = drmCommandWrite( pMga->drmFD, DRM_MGA_FLUSH,
+                                       &lock, sizeof( drm_lock_t ) );

x11-drivers/xf86-video-mga/files/patch-src_mga__driver.c

@@ -0,0 +1,19 @@
+--- src/mga_driver.c.orig	2024-08-01 13:23:52 UTC
++++ src/mga_driver.c
+@@ -702,6 +702,8 @@ MGAPciProbe(DriverPtr drv, int entity_num, struct pci_
+     ScrnInfoPtr pScrn = NULL;
+     MGAPtr pMga;
+ 
++#ifndef __FreeBSD__
++    /* FreeBSD always has vgapci driver attached.  */
+     if (pci_device_has_kernel_driver(dev)) {
+ 	/* If it's a G200 server chip, it's probably on KMS, so bail; if not,
+ 	 * it might be using matroxfb, which is ok. */
+@@ -721,6 +723,7 @@ MGAPciProbe(DriverPtr drv, int entity_num, struct pci_
+ 	        return FALSE;
+ 	}
+     }
++#endif
+ 
+     /* Allocate a ScrnInfoRec and claim the slot */
+     pScrn = xf86ConfigPciEntity(pScrn, 0, entity_num, MGAPciChipsets,

x11-drivers/xf86-video-mga/pkg-descr

@@ -0,0 +1 @@
+This package contains the X.Org xf86-video-mga driver.

x11-drivers/xf86-video-mga/pkg-plist

@@ -0,0 +1,2 @@
+lib/xorg/modules/drivers/mga_drv.so
+share/man/man4/mga.4x.gz