1 files changed, 88 insertions, 0 deletions
diff --git a/nx-X11/extras/drm/linux/savage_dma.c b/nx-X11/extras/drm/linux/savage_dma.c
new file mode 100644
index 000000000..581d43021
--- /dev/null
+++ b/nx-X11/extras/drm/linux/savage_dma.c
@@ -0,0 +1,88 @@
+/*
+ * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.
+ * Copyright 2001-2003 S3 Graphics, Inc. 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
+ * VIA, S3 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.
+ */
+
+
+/*=========================================================*/
+#include "savage.h"
+#include "drmP.h"
+#include "savage_drm.h"
+#include "savage_drv.h"
+
+#include <linux/interrupt.h>	/* For task queue support */
+#include <linux/delay.h>
+
+#define SAVAGE_DEFAULT_USEC_TIMEOUT	10000
+#define SAVAGE_FREELIST_DEBUG		0
+
+static int savage_preinit( drm_device_t *dev, unsigned long chipset )
+{
+	drm_savage_private_t *dev_priv;
+	unsigned mmioBase, fbBase, fbSize, apertureBase;
+	int ret = 0;
+
+	dev_priv = DRM(alloc)( sizeof(drm_savage_private_t), DRM_MEM_DRIVER );
+	if ( dev_priv == NULL )
+		return DRM_ERR(ENOMEM);
+
+	memset( dev_priv, 0, sizeof(drm_savage_private_t) );
+	dev->dev_private = (void *)dev_priv;
+	dev_priv->chipset = (enum savage_family)chipset;
+
+	if( S3_SAVAGE3D_SERIES(dev_priv->chipset) ) {
+		fbBase = pci_resource_start( dev->pdev, 0 );
+		fbSize = SAVAGE_FB_SIZE_S3;
+		mmioBase = fbBase + fbSize;
+		apertureBase = fbBase + SAVAGE_APERTURE_OFFSET;
+	} else if( chipset != S3_SUPERSAVAGE ) {
+		mmioBase = pci_resource_start( dev->pdev, 0 );
+		fbBase = pci_resource_start( dev->pdev, 1 );
+		fbSize = SAVAGE_FB_SIZE_S4;
+		apertureBase = fbBase + SAVAGE_APERTURE_OFFSET;
+	} else {
+		mmioBase = pci_resource_start( dev->pdev, 0 );
+		fbBase = pci_resource_start( dev->pdev, 1 );
+		fbSize = pci_resource_len( dev->pdev, 1 );
+		apertureBase = pci_resource_start( dev->pdev, 2 );
+	}
+
+	if( (ret = DRM(initmap)( dev, mmioBase, SAVAGE_MMIO_SIZE,
+				 _DRM_REGISTERS, 0 )))
+		return ret;
+
+	if( (ret = DRM(initmap)( dev, fbBase, fbSize,
+				 _DRM_FRAME_BUFFER, _DRM_WRITE_COMBINING )))
+		return ret;
+
+	if( (ret = DRM(initmap)( dev, apertureBase, SAVAGE_APERTURE_SIZE,
+				 _DRM_FRAME_BUFFER, _DRM_WRITE_COMBINING )))
+		return ret;
+
+	return ret;
+}
+
+void DRM(driver_register_fns)(drm_device_t *dev)
+{
+	dev->driver_features = DRIVER_USE_AGP | DRIVER_USE_MTRR;
+	dev->fn_tbl.preinit = savage_preinit;
+}