[prev in list] [next in list] [prev in thread] [next in thread] 

List:       freedesktop-xorg
Subject:    xorg/driver/xf86-video-vga - [PATCH] Add libpciaccess support to
From:       pcpa () mandriva ! com ! br
Date:       2008-01-31 5:40:17
Message-ID: 20080131034017.melyn42j9280sgo4 () webmail ! conectiva ! com ! br
[Download RAW message or body]

This message is in MIME format.



["0001-Add-libpciaccess-support-to-generic-vga-driver.patch" (text/x-patch)]

From f0d53110b3f344aec68e32a170aa038c5a85aeaf Mon Sep 17 00:00:00 2001
From: Paulo Cesar Pereira de Andrade <pcpa@mandriva.com>
Date: Thu, 31 Jan 2008 02:12:53 -0200
Subject: [PATCH] Add libpciaccess support to generic vga driver.

---
 configure.ac  |   10 +++++
 src/generic.c |  111 ++++++++++++++++++++++++++++++++++++++++++++++-----------
 2 files changed, 100 insertions(+), 21 deletions(-)

diff --git a/configure.ac b/configure.ac
index 39e2a3d..c24796d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -56,6 +56,16 @@ XORG_DRIVER_CHECK_EXT(DPMSExtension, xextproto)
 PKG_CHECK_MODULES(XORG, [xorg-server >= 1.0.99.901 xproto fontsproto $REQUIRED_MODULES])
 sdkdir=$(pkg-config --variable=sdkdir xorg-server)
 
+AC_CHECK_DECL(XSERVER_LIBPCIACCESS,
+              [XSERVER_LIBPCIACCESS=yes], [XSERVER_LIBPCIACCESS=no],
+              [#include "xorg-server.h"])
+
+if test "x$XSERVER_LIBPCIACCESS" = xyes; then
+    PKG_CHECK_MODULES([PCIACCESS], [pciaccess >= 0.8.0])
+    XORG_CFLAGS="$XORG_CFLAGS $PCIACCESS_CFLAGS"
+fi
+AM_CONDITIONAL(XSERVER_LIBPCIACCESS, test "x$XSERVER_LIBPCIACCESS" = xyes)
+
 # Checks for libraries.
 
 # Checks for header files.
diff --git a/src/generic.c b/src/generic.c
index 4be7c39..684552b 100644
--- a/src/generic.c
+++ b/src/generic.c
@@ -62,6 +62,10 @@
 #include "xf86Resources.h"
 #include "xf86int10.h"
 
+#ifdef XSERVER_LIBPCIACCESS
+#include <pciaccess.h>
+#endif
+
 /* Some systems #define VGA for their own purposes */
 #undef VGA
 
@@ -79,10 +83,31 @@
 #define CLOCK_TOLERANCE 2000 /* Clock matching tolerance (2MHz) */
 #endif
 
+/*
+ * This structure is used to wrap the screen's CloseScreen vector.
+ */
+typedef struct _GenericRec
+{
+    Bool ShadowFB;
+    Bool KGAUniversal;
+    CARD8 * ShadowPtr;
+    CARD32 ShadowPitch;
+    CloseScreenProcPtr CloseScreen;
+    OptionInfoPtr Options;
+#ifdef XSERVER_LIBPCIACCESS
+    struct pci_device *pciInfo;
+#endif
+} GenericRec, *GenericPtr;
+
+
 /* Forward definitions */
 static const OptionInfoRec *GenericAvailableOptions(int chipid, int busid);
 static void                 GenericIdentify(int);
 static Bool                 GenericProbe(DriverPtr, int);
+#ifdef XSERVER_LIBPCIACCESS
+static Bool GenericPciProbe(DriverPtr drv, int entity_num,
+			    struct pci_device *dev, intptr_t match_data);
+#endif
 static Bool                 GenericPreInit(ScrnInfoPtr, int);
 static Bool                 GenericScreenInit(int, ScreenPtr, int, char **);
 static Bool                 GenericSwitchMode(int, DisplayModePtr, int);
@@ -97,6 +122,24 @@ static Bool                 GenericMapMem(ScrnInfoPtr scrp);
 
 static ModeStatus GenericValidMode(int, DisplayModePtr, Bool, int);
 
+static GenericPtr GenericGetRec(ScrnInfoPtr pScreenInfo);
+
+enum GenericTypes
+{
+    CHIP_VGA_GENERIC
+};
+
+#ifdef XSERVER_LIBPCIACCESS
+static const struct pci_id_match generic_device_match[] = {
+    {
+	PCI_MATCH_ANY, PCI_MATCH_ANY, PCI_MATCH_ANY, PCI_MATCH_ANY,
+	0x00030000, 0x00ffffff, CHIP_VGA_GENERIC 
+    },
+
+    { 0, 0, 0 },
+};
+#endif
+
 /* The root of all evil... */
 _X_EXPORT DriverRec VGA =
 {
@@ -106,7 +149,13 @@ _X_EXPORT DriverRec VGA =
     GenericProbe,
     GenericAvailableOptions,
     NULL,
-    0
+    0,
+    NULL,
+
+#ifdef XSERVER_LIBPCIACCESS
+    generic_device_match,
+    GenericPciProbe
+#endif
 };
 
 typedef enum
@@ -210,7 +259,13 @@ GenericSetup(pointer Module, pointer Options, int *ErrorMajor, int *ErrorMinor)
     if (!Initialised)
     {
 	Initialised = TRUE;
-	xf86AddDriver(&VGA, Module, 0);
+	xf86AddDriver(&VGA, Module,
+#ifdef XSERVER_LIBPCIACCESS
+		      HaveDriverFuncs
+#else		      
+		      0
+#endif
+		      );
 	LoaderRefSymLists(vgahwSymbols, miscfbSymbols, fbSymbols,
 			  shadowfbSymbols, int10Symbols, NULL);
 	return (pointer)TRUE;
@@ -224,11 +279,6 @@ GenericSetup(pointer Module, pointer Options, int *ErrorMajor, int *ErrorMinor)
 #endif
 
 
-enum GenericTypes
-{
-    CHIP_VGA_GENERIC
-};
-
 /* Supported chipsets */
 static SymTabRec GenericChipsets[] =
 {
@@ -267,6 +317,37 @@ GenericAvailableOptions(int chipid, int busid)
  * do a minimal probe for supported hardware.
  */
 
+#ifdef XSERVER_LIBPCIACCESS
+static Bool
+GenericPciProbe(DriverPtr drv, int entity_num, struct pci_device *dev,
+		intptr_t match_data)
+{
+    ScrnInfoPtr pScrn;
+
+    pScrn = xf86ConfigPciEntity(NULL, 0, entity_num, NULL,
+				NULL, NULL, NULL, NULL, NULL);
+    if (pScrn != NULL) {
+	GenericPtr pGeneric = GenericGetRec(pScrn);
+
+	pScrn->driverVersion = VGA_VERSION_CURRENT;
+	pScrn->driverName    = VGA_DRIVER_NAME;
+	pScrn->name	     = VGA_NAME;
+	pScrn->Probe	     = GenericProbe;
+	pScrn->PreInit       = GenericPreInit;
+	pScrn->ScreenInit    = GenericScreenInit;
+	pScrn->SwitchMode    = GenericSwitchMode;
+	pScrn->AdjustFrame   = GenericAdjustFrame;
+	pScrn->EnterVT       = GenericEnterVT;
+	pScrn->LeaveVT       = GenericLeaveVT;
+	pScrn->FreeScreen    = GenericFreeScreen;
+
+	pGeneric->pciInfo    = dev;
+    }
+
+    return (pScrn != NULL);
+}
+#endif
+
 static Bool
 GenericProbe(DriverPtr drv, int flags)
 {
@@ -283,6 +364,7 @@ GenericProbe(DriverPtr drv, int flags)
     if ((numDevSections = xf86MatchDevice(VGA_NAME, &devSections)) <= 0)
 	return FALSE;
 
+#ifndef XSERVER_LIBPCIACCESS
     /* PCI BUS */
     if (xf86GetPciVideoInfo())
     {
@@ -324,6 +406,7 @@ GenericProbe(DriverPtr drv, int flags)
 	    xfree(usedChips);
 	}
     }
+#endif
 
     /* Isa Bus */
     numUsed = xf86MatchIsaInstances(VGA_NAME, GenericChipsets,
@@ -391,20 +474,6 @@ VGAFindIsaDevice(GDevPtr dev)
     return (int)CHIP_VGA_GENERIC;
 }
 
-/*
- * This structure is used to wrap the screen's CloseScreen vector.
- */
-typedef struct _GenericRec
-{
-    Bool ShadowFB;
-    Bool KGAUniversal;
-    CARD8 * ShadowPtr;
-    CARD32 ShadowPitch;
-    CloseScreenProcPtr CloseScreen;
-    OptionInfoPtr Options;
-} GenericRec, *GenericPtr;
-
-
 static GenericPtr
 GenericGetRec(ScrnInfoPtr pScreenInfo)
 {
-- 
1.5.3.2



_______________________________________________
xorg mailing list
xorg@lists.freedesktop.org
http://lists.freedesktop.org/mailman/listinfo/xorg

[prev in list] [next in list] [prev in thread] [next in thread]