Create permanent maps of framebuffer, aperture and MMIO registers. Added

    chipset-type information in driver data field of Savage PCI-IDs. Added
    missing PCI-ID 0x8d03 (ProSavageDDR on Pentium boards). Don't require
    AGP.

1 files changed, 49 insertions, 1 deletions

diff --git a/linux-core/savage_dma.c b/linux-core/savage_dma.c
index b012e1ba..581d4302 100644
--- a/linux-core/savage_dma.c
+++ b/linux-core/savage_dma.c
@@ -26,6 +26,7 @@
 /*=========================================================*/
 #include "savage.h"
 #include "drmP.h"
+#include "savage_drm.h"
 #include "savage_drv.h"
 
 #include <linux/interrupt.h>	/* For task queue support */
@@ -34,7 +35,54 @@
 #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_REQUIRE_AGP | DRIVER_USE_MTRR;
+	dev->driver_features = DRIVER_USE_AGP | DRIVER_USE_MTRR;
+	dev->fn_tbl.preinit = savage_preinit;
 }