Merged the Savage DRM driver from the savage-2-0-0-branch into the trunk.

1 files changed, 238 insertions, 0 deletions

diff --git a/linux-core/savage_drm.h b/linux-core/savage_drm.h
new file mode 100644
index 00000000..f7d4f404
--- /dev/null
+++ b/linux-core/savage_drm.h
@@ -0,0 +1,238 @@
+/*
+ * 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.
+ */
+
+#ifndef __SAVAGE_DRM_H__
+#define __SAVAGE_DRM_H__
+
+#ifndef __SAVAGE_SAREA_DEFINES__
+#define __SAVAGE_SAREA_DEFINES__
+
+#define DRM_SAVAGE_MEM_PAGE (1UL<<12)
+#define DRM_SAVAGE_MEM_WORK 32
+#define DRM_SAVAGE_MEM_LOCATION_PCI 1
+#define DRM_SAVAGE_MEM_LOCATION_AGP 2
+#define DRM_SAVAGE_DMA_AGP_SIZE (16*1024*1024)
+
+typedef struct drm_savage_alloc_cont_mem
+{
+   size_t size; /*size of buffer*/
+   unsigned long type; /*4k page or word*/
+   unsigned long alignment;
+   unsigned long location; /*agp or pci*/
+
+   unsigned long phyaddress;
+   unsigned long linear;
+} drm_savage_alloc_cont_mem_t;
+
+typedef struct drm_savage_get_physcis_address
+{
+   unsigned long v_address;
+   unsigned long p_address;
+}drm_savage_get_physcis_address_t;
+
+/*ioctl number*/
+#define DRM_IOCTL_SAVAGE_ALLOC_CONTINUOUS_MEM \
+	DRM_IOWR(0x40,drm_savage_alloc_cont_mem_t)
+#define DRM_IOCTL_SAVAGE_GET_PHYSICS_ADDRESS \
+	DRM_IOWR(0x41, drm_savage_get_physcis_address_t)
+#define DRM_IOCTL_SAVAGE_FREE_CONTINUOUS_MEM \
+	DRM_IOWR(0x42, drm_savage_alloc_cont_mem_t)
+
+#define SAVAGE_FRONT		0x1
+#define SAVAGE_BACK		0x2
+#define SAVAGE_DEPTH		0x4
+#define SAVAGE_STENCIL		0x8
+
+/* What needs to be changed for the current vertex dma buffer?
+ */
+#define SAVAGE_UPLOAD_CTX	0x1
+#define SAVAGE_UPLOAD_TEX0	0x2
+#define SAVAGE_UPLOAD_TEX1	0x4
+#define SAVAGE_UPLOAD_PIPE	0x8  /* <- seems should be removed, Jiayo Hsu */
+#define SAVAGE_UPLOAD_TEX0IMAGE	0x10 /* handled client-side */
+#define SAVAGE_UPLOAD_TEX1IMAGE	0x20 /* handled client-side */
+#define SAVAGE_UPLOAD_2D	0x40
+#define SAVAGE_WAIT_AGE		0x80 /* handled client-side */
+#define SAVAGE_UPLOAD_CLIPRECTS	0x100 /* handled client-side */
+/*frank:add Buffer state 2001/11/15*/
+#define SAVAGE_UPLOAD_BUFFERS 0x200
+/* original marked off in MGA drivers , Jiayo Hsu Oct.23,2001 */
+
+/* Keep these small for testing.
+ */
+#define SAVAGE_NR_SAREA_CLIPRECTS	8
+
+/* 2 heaps (1 for card, 1 for agp), each divided into upto 128
+ * regions, subject to a minimum region size of (1<<16) == 64k.
+ *
+ * Clients may subdivide regions internally, but when sharing between
+ * clients, the region size is the minimum granularity.
+ */
+
+#define SAVAGE_CARD_HEAP		0
+#define SAVAGE_AGP_HEAP			1
+#define SAVAGE_NR_TEX_HEAPS		2
+#define SAVAGE_NR_TEX_REGIONS		16   /* num. of global texture manage list element*/
+#define SAVAGE_LOG_MIN_TEX_REGION_SIZE	16   /* each region 64K, Jiayo Hsu */
+
+#endif /* __SAVAGE_SAREA_DEFINES__ */
+
+/* drm_tex_region_t define in drm.h */
+
+typedef drm_tex_region_t drm_savage_tex_region_t;
+
+/* Setup registers for 2D, X server
+ */
+typedef struct {
+	unsigned int pitch;
+} drm_savage_server_regs_t;
+
+
+typedef struct _drm_savage_sarea {
+	/* The channel for communication of state information to the kernel
+	 * on firing a vertex dma buffer.
+	 */
+	unsigned int setup[28];    /* 3D context registers */
+   	drm_savage_server_regs_t server_state;
+ 
+   	unsigned int dirty;
+   	
+   	unsigned int vertsize;   /* vertext  size */
+
+	/* The current cliprects, or a subset thereof.
+	 */
+   	drm_clip_rect_t boxes[SAVAGE_NR_SAREA_CLIPRECTS];
+   	unsigned int nbox;
+
+	/* Information about the most recently used 3d drawable.  The
+	 * client fills in the req_* fields, the server fills in the
+	 * exported_ fields and puts the cliprects into boxes, above.
+	 *
+	 * The client clears the exported_drawable field before
+	 * clobbering the boxes data.
+	 */
+        unsigned int req_drawable;	 /* the X drawable id */
+	unsigned int req_draw_buffer;	 /* SAVAGE_FRONT or SAVAGE_BACK */
+
+        unsigned int exported_drawable;
+	unsigned int exported_index;
+        unsigned int exported_stamp;
+        unsigned int exported_buffers;
+        unsigned int exported_nfront;
+        unsigned int exported_nback;
+	int exported_back_x, exported_front_x, exported_w;
+	int exported_back_y, exported_front_y, exported_h;
+   	drm_clip_rect_t exported_boxes[SAVAGE_NR_SAREA_CLIPRECTS];
+
+	/* Counters for aging textures and for client-side throttling.
+	 */
+	unsigned int status[4];
+
+
+	/* LRU lists for texture memory in agp space and on the card.
+	 */
+	drm_tex_region_t texList[SAVAGE_NR_TEX_HEAPS][SAVAGE_NR_TEX_REGIONS+1];
+	unsigned int texAge[SAVAGE_NR_TEX_HEAPS];
+
+	/* Mechanism to validate card state.
+	 */
+   	int ctxOwner;
+	unsigned long shadow_status[64];/*too big?*/
+
+	/*agp offset*/
+	unsigned long agp_offset;
+} drm_savage_sarea_t,*drm_savage_sarea_ptr;
+
+
+
+typedef struct drm_savage_init {
+
+   	unsigned long sarea_priv_offset;
+
+	int chipset;
+   	int sgram;
+
+	unsigned int maccess;
+
+   	unsigned int fb_cpp;
+	unsigned int front_offset, front_pitch;
+   	unsigned int back_offset, back_pitch;
+
+   	unsigned int depth_cpp;
+   	unsigned int depth_offset, depth_pitch;
+
+   	unsigned int texture_offset[SAVAGE_NR_TEX_HEAPS];
+   	unsigned int texture_size[SAVAGE_NR_TEX_HEAPS];
+
+	unsigned long fb_offset;
+	unsigned long mmio_offset;
+	unsigned long status_offset;
+} drm_savage_init_t;
+
+typedef struct drm_savage_fullscreen {
+	enum {
+		SAVAGE_INIT_FULLSCREEN    = 0x01,
+		SAVAGE_CLEANUP_FULLSCREEN = 0x02
+	} func;
+} drm_savage_fullscreen_t;
+
+typedef struct drm_savage_clear {
+	unsigned int flags;
+	unsigned int clear_color;
+	unsigned int clear_depth;
+	unsigned int color_mask;
+	unsigned int depth_mask;
+} drm_savage_clear_t;
+
+typedef struct drm_savage_vertex {
+   	int idx;			/* buffer to queue */
+	int used;			/* bytes in use */
+	int discard;			/* client finished with buffer?  */
+} drm_savage_vertex_t;
+
+typedef struct drm_savage_indices {
+   	int idx;			/* buffer to queue */
+	unsigned int start;
+	unsigned int end;
+	int discard;			/* client finished with buffer?  */
+} drm_savage_indices_t;
+
+typedef struct drm_savage_iload {
+	int idx;
+	unsigned int dstorg;
+	unsigned int length;
+} drm_savage_iload_t;
+
+typedef struct _drm_savage_blit {
+	unsigned int planemask;
+	unsigned int srcorg;
+	unsigned int dstorg;
+	int src_pitch, dst_pitch;
+	int delta_sx, delta_sy;
+	int delta_dx, delta_dy;
+	int height, ydir;		/* flip image vertically */
+	int source_pitch, dest_pitch;
+} drm_savage_blit_t;
+
+#endif