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-rw-r--r--linux-core/savage_dma.c50
-rw-r--r--linux-core/savage_drv.h45
2 files changed, 94 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;
}
diff --git a/linux-core/savage_drv.h b/linux-core/savage_drv.h
index 4cb59fea..755ed2e9 100644
--- a/linux-core/savage_drv.h
+++ b/linux-core/savage_drv.h
@@ -24,4 +24,49 @@
#ifndef __SAVAGE_DRV_H__
#define __SAVAGE_DRV_H__
+/* these chip tags should match the ones in the 2D driver in savage_regs.h. */
+enum savage_family {
+ S3_UNKNOWN = 0,
+ S3_SAVAGE3D,
+ S3_SAVAGE_MX,
+ S3_SAVAGE4,
+ S3_PROSAVAGE,
+ S3_TWISTER,
+ S3_PROSAVAGEDDR,
+ S3_SUPERSAVAGE,
+ S3_SAVAGE2000,
+ S3_LAST
+};
+
+#define S3_SAVAGE3D_SERIES(chip) ((chip>=S3_SAVAGE3D) && (chip<=S3_SAVAGE_MX))
+
+#define S3_SAVAGE4_SERIES(chip) ((chip==S3_SAVAGE4) \
+ || (chip==S3_PROSAVAGE) \
+ || (chip==S3_TWISTER) \
+ || (chip==S3_PROSAVAGEDDR))
+
+#define S3_SAVAGE_MOBILE_SERIES(chip) ((chip==S3_SAVAGE_MX) || (chip==S3_SUPERSAVAGE))
+
+#define S3_SAVAGE_SERIES(chip) ((chip>=S3_SAVAGE3D) && (chip<=S3_SAVAGE2000))
+
+#define S3_MOBILE_TWISTER_SERIES(chip) ((chip==S3_TWISTER) \
+ ||(chip==S3_PROSAVAGEDDR))
+
+/* flags */
+#define SAVAGE_IS_AGP 1
+
+typedef struct drm_savage_private {
+ drm_savage_sarea_t *sarea_priv;
+
+ enum savage_family chipset;
+ unsigned flags;
+
+} drm_savage_private_t;
+
+#define SAVAGE_FB_SIZE_S3 0x01000000 /* 16MB */
+#define SAVAGE_FB_SIZE_S4 0x02000000 /* 32MB */
+#define SAVAGE_MMIO_SIZE 0x00080000 /* 512kB */
+#define SAVAGE_APERTURE_OFFSET 0x02000000 /* 32MB */
+#define SAVAGE_APERTURE_SIZE 0x05000000 /* 5 tiled surfaces, 16MB each */
+
#endif /* end #ifndef __SAVAGE_DRV_ */