Mesa (master): radeon-gallium: Add Xorg state tracker Radeon winsys stub.

[Corbin Simpson]

Module: Mesa
Branch: master
Commit: 86a06f06740eca39badf2292b1f9406ca31be0fe
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=86a06f06740eca39badf2292b1f9406ca31be0fe

Author: Corbin Simpson <MostAwesomeDude at gmail.com>
Date:   Wed Mar  4 20:52:45 2009 -0800

radeon-gallium: Add Xorg state tracker Radeon winsys stub.

---

 src/gallium/winsys/drm/radeon/xorg/radeon_xorg.c |  154 ++++++++++++++++++++++
 1 files changed, 154 insertions(+), 0 deletions(-)

diff --git a/src/gallium/winsys/drm/radeon/xorg/radeon_xorg.c b/src/gallium/winsys/drm/radeon/xorg/radeon_xorg.c
new file mode 100644
index 0000000..ecceaa3
--- /dev/null
+++ b/src/gallium/winsys/drm/radeon/xorg/radeon_xorg.c
@@ -0,0 +1,154 @@
+/*
+ * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ *
+ * Author: Alan Hourihane <alanh at tungstengraphics.com>
+ * Author: Jakob Bornecrantz <wallbraker at gmail.com>
+ * Author: Corbin Simpson <MostAwesomedude at gmail.com>
+ *
+ */
+
+#include "../../../../state_trackers/xorg/xorg_winsys.h"
+
+static void radeon_xorg_identify(int flags);
+static Bool radeon_xorg_pci_probe(DriverPtr driver,
+				 int entity_num,
+				 struct pci_device *device,
+				 intptr_t match_data);
+
+static const struct pci_id_match radeon_xorg_device_match[] = {
+    {0x1002, 0x5E4D, 0xffff, 0xffff, 0, 0, 0},
+    {0, 0, 0},
+};
+
+static SymTabRec radeon_xorg_chipsets[] = {
+    {0x5E4D, "Radeon RV410 PCIE (X700)"},
+    {-1, NULL}
+};
+
+static PciChipsets radeon_xorg_pci_devices[] = {
+    {0x5E4D, 0x5E4D, RES_SHARED_VGA},
+    {-1, -1, RES_UNDEFINED}
+};
+
+static XF86ModuleVersionInfo radeon_xorg_version = {
+    "modesetting",
+    MODULEVENDORSTRING,
+    MODINFOSTRING1,
+    MODINFOSTRING2,
+    XORG_VERSION_CURRENT,
+    0, 1, 0, /* major, minor, patch */
+    ABI_CLASS_VIDEODRV,
+    ABI_VIDEODRV_VERSION,
+    MOD_CLASS_VIDEODRV,
+    {0, 0, 0, 0}
+};
+
+/*
+ * Xorg driver exported structures
+ */
+
+_X_EXPORT DriverRec modesetting = {
+    1,
+    "modesetting",
+    radeon_xorg_identify,
+    NULL,
+    xorg_tracker_available_options,
+    NULL,
+    0,
+    NULL,
+    radeon_xorg_device_match,
+    radeon_xorg_pci_probe
+};
+
+static MODULESETUPPROTO(radeon_xorg_setup);
+
+_X_EXPORT XF86ModuleData modesettingModuleData = {
+    &radeon_xorg_version,
+    radeon_xorg_setup,
+    NULL
+};
+
+/*
+ * Xorg driver functions
+ */
+
+static pointer
+radeon_xorg_setup(pointer module, pointer opts, int *errmaj, int *errmin)
+{
+    static Bool setupDone = 0;
+
+    /* This module should be loaded only once, but check to be sure.
+     */
+    if (!setupDone) {
+	setupDone = 1;
+	xf86AddDriver(&modesetting, module, HaveDriverFuncs);
+
+	/*
+	 * Tell the loader about symbols from other modules that this module
+	 * might refer to.
+	 */
+	xorg_tracker_loader_ref_sym_lists();
+
+	/*
+	 * The return value must be non-NULL on success even though there
+	 * is no TearDownProc.
+	 */
+	return (pointer) 1;
+    } else {
+	if (errmaj)
+	    *errmaj = LDR_ONCEONLY;
+	return NULL;
+    }
+}
+
+static void
+radeon_xorg_identify(int flags)
+{
+    xf86PrintChipsets("modesetting", "Driver for Modesetting Kernel Drivers",
+		      radeon_xorg_chipsets);
+}
+
+static Bool
+radeon_xorg_pci_probe(DriverPtr driver,
+	  int entity_num, struct pci_device *device, intptr_t match_data)
+{
+    ScrnInfoPtr scrn = NULL;
+    EntityInfoPtr entity;
+
+    scrn = xf86ConfigPciEntity(scrn, 0, entity_num, radeon_xorg_pci_devices,
+			       NULL, NULL, NULL, NULL, NULL);
+    if (scrn != NULL) {
+	scrn->driverVersion = 1;
+	scrn->driverName = "modesetting";
+	scrn->name = "modesetting";
+	scrn->Probe = NULL;
+
+	entity = xf86GetEntityInfo(entity_num);
+
+	/* Use all the functions from the xorg tracker */
+	xorg_tracker_set_functions(scrn);
+    }
+    return scrn != NULL;
+}