mga_drm.h
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- /* mga_drm.h -- Public header for the Matrox g200/g400 driver -*- linux-c -*-
- * Created: Tue Jan 25 01:50:01 1999 by jhartmann@precisioninsight.com
- *
- * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
- * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
- * 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, sublicense,
- * 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 NONINFRINGEMENT. IN NO EVENT SHALL
- * VA LINUX SYSTEMS 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.
- *
- * Authors:
- * Jeff Hartmann <jhartmann@valinux.com>
- * Keith Whitwell <keithw@valinux.com>
- *
- * Rewritten by:
- * Gareth Hughes <gareth@valinux.com>
- */
- #ifndef __MGA_DRM_H__
- #define __MGA_DRM_H__
- /* WARNING: If you change any of these defines, make sure to change the
- * defines in the Xserver file (mga_sarea.h)
- */
- #ifndef __MGA_SAREA_DEFINES__
- #define __MGA_SAREA_DEFINES__
- /* WARP pipe flags
- */
- #define MGA_F 0x1 /* fog */
- #define MGA_A 0x2 /* alpha */
- #define MGA_S 0x4 /* specular */
- #define MGA_T2 0x8 /* multitexture */
- #define MGA_WARP_TGZ 0
- #define MGA_WARP_TGZF (MGA_F)
- #define MGA_WARP_TGZA (MGA_A)
- #define MGA_WARP_TGZAF (MGA_F|MGA_A)
- #define MGA_WARP_TGZS (MGA_S)
- #define MGA_WARP_TGZSF (MGA_S|MGA_F)
- #define MGA_WARP_TGZSA (MGA_S|MGA_A)
- #define MGA_WARP_TGZSAF (MGA_S|MGA_F|MGA_A)
- #define MGA_WARP_T2GZ (MGA_T2)
- #define MGA_WARP_T2GZF (MGA_T2|MGA_F)
- #define MGA_WARP_T2GZA (MGA_T2|MGA_A)
- #define MGA_WARP_T2GZAF (MGA_T2|MGA_A|MGA_F)
- #define MGA_WARP_T2GZS (MGA_T2|MGA_S)
- #define MGA_WARP_T2GZSF (MGA_T2|MGA_S|MGA_F)
- #define MGA_WARP_T2GZSA (MGA_T2|MGA_S|MGA_A)
- #define MGA_WARP_T2GZSAF (MGA_T2|MGA_S|MGA_F|MGA_A)
- #define MGA_MAX_G200_PIPES 8 /* no multitex */
- #define MGA_MAX_G400_PIPES 16
- #define MGA_MAX_WARP_PIPES MGA_MAX_G400_PIPES
- #define MGA_WARP_UCODE_SIZE 32768 /* in bytes */
- #define MGA_CARD_TYPE_G200 1
- #define MGA_CARD_TYPE_G400 2
- #define MGA_FRONT 0x1
- #define MGA_BACK 0x2
- #define MGA_DEPTH 0x4
- /* What needs to be changed for the current vertex dma buffer?
- */
- #define MGA_UPLOAD_CONTEXT 0x1
- #define MGA_UPLOAD_TEX0 0x2
- #define MGA_UPLOAD_TEX1 0x4
- #define MGA_UPLOAD_PIPE 0x8
- #define MGA_UPLOAD_TEX0IMAGE 0x10 /* handled client-side */
- #define MGA_UPLOAD_TEX1IMAGE 0x20 /* handled client-side */
- #define MGA_UPLOAD_2D 0x40
- #define MGA_WAIT_AGE 0x80 /* handled client-side */
- #define MGA_UPLOAD_CLIPRECTS 0x100 /* handled client-side */
- #if 0
- #define MGA_DMA_FLUSH 0x200 /* set when someone gets the lock
- quiescent */
- #endif
- /* 32 buffers of 64k each, total 2 meg.
- */
- #define MGA_BUFFER_SIZE (1 << 16)
- #define MGA_NUM_BUFFERS 128
- /* Keep these small for testing.
- */
- #define MGA_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 MGA_CARD_HEAP 0
- #define MGA_AGP_HEAP 1
- #define MGA_NR_TEX_HEAPS 2
- #define MGA_NR_TEX_REGIONS 16
- #define MGA_LOG_MIN_TEX_REGION_SIZE 16
- #endif /* __MGA_SAREA_DEFINES__ */
- /* Setup registers for 3D context
- */
- typedef struct {
- unsigned int dstorg;
- unsigned int maccess;
- unsigned int plnwt;
- unsigned int dwgctl;
- unsigned int alphactrl;
- unsigned int fogcolor;
- unsigned int wflag;
- unsigned int tdualstage0;
- unsigned int tdualstage1;
- unsigned int fcol;
- unsigned int stencil;
- unsigned int stencilctl;
- } drm_mga_context_regs_t;
- /* Setup registers for 2D, X server
- */
- typedef struct {
- unsigned int pitch;
- } drm_mga_server_regs_t;
- /* Setup registers for each texture unit
- */
- typedef struct {
- unsigned int texctl;
- unsigned int texctl2;
- unsigned int texfilter;
- unsigned int texbordercol;
- unsigned int texorg;
- unsigned int texwidth;
- unsigned int texheight;
- unsigned int texorg1;
- unsigned int texorg2;
- unsigned int texorg3;
- unsigned int texorg4;
- } drm_mga_texture_regs_t;
- /* General aging mechanism
- */
- typedef struct {
- unsigned int head; /* Position of head pointer */
- unsigned int wrap; /* Primary DMA wrap count */
- } drm_mga_age_t;
- typedef struct _drm_mga_sarea {
- /* The channel for communication of state information to the kernel
- * on firing a vertex dma buffer.
- */
- drm_mga_context_regs_t context_state;
- drm_mga_server_regs_t server_state;
- drm_mga_texture_regs_t tex_state[2];
- unsigned int warp_pipe;
- unsigned int dirty;
- unsigned int vertsize;
- /* The current cliprects, or a subset thereof.
- */
- drm_clip_rect_t boxes[MGA_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; /* MGA_FRONT or MGA_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[MGA_NR_SAREA_CLIPRECTS];
- /* Counters for aging textures and for client-side throttling.
- */
- unsigned int status[4];
- unsigned int last_wrap;
- drm_mga_age_t last_frame;
- unsigned int last_enqueue; /* last time a buffer was enqueued */
- unsigned int last_dispatch; /* age of the most recently dispatched buffer */
- unsigned int last_quiescent; /* */
- /* LRU lists for texture memory in agp space and on the card.
- */
- drm_tex_region_t texList[MGA_NR_TEX_HEAPS][MGA_NR_TEX_REGIONS+1];
- unsigned int texAge[MGA_NR_TEX_HEAPS];
- /* Mechanism to validate card state.
- */
- int ctxOwner;
- } drm_mga_sarea_t;
- /* WARNING: If you change any of these defines, make sure to change the
- * defines in the Xserver file (xf86drmMga.h)
- */
- typedef struct _drm_mga_warp_index {
- int installed;
- unsigned long phys_addr;
- int size;
- } drm_mga_warp_index_t;
- typedef struct drm_mga_init {
- enum {
- MGA_INIT_DMA = 0x01,
- MGA_CLEANUP_DMA = 0x02
- } func;
- 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[MGA_NR_TEX_HEAPS];
- unsigned int texture_size[MGA_NR_TEX_HEAPS];
- unsigned long fb_offset;
- unsigned long mmio_offset;
- unsigned long status_offset;
- unsigned long warp_offset;
- unsigned long primary_offset;
- unsigned long buffers_offset;
- } drm_mga_init_t;
- typedef struct drm_mga_fullscreen {
- enum {
- MGA_INIT_FULLSCREEN = 0x01,
- MGA_CLEANUP_FULLSCREEN = 0x02
- } func;
- } drm_mga_fullscreen_t;
- typedef struct drm_mga_clear {
- unsigned int flags;
- unsigned int clear_color;
- unsigned int clear_depth;
- unsigned int color_mask;
- unsigned int depth_mask;
- } drm_mga_clear_t;
- typedef struct drm_mga_vertex {
- int idx; /* buffer to queue */
- int used; /* bytes in use */
- int discard; /* client finished with buffer? */
- } drm_mga_vertex_t;
- typedef struct drm_mga_indices {
- int idx; /* buffer to queue */
- unsigned int start;
- unsigned int end;
- int discard; /* client finished with buffer? */
- } drm_mga_indices_t;
- typedef struct drm_mga_iload {
- int idx;
- unsigned int dstorg;
- unsigned int length;
- } drm_mga_iload_t;
- typedef struct _drm_mga_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_mga_blit_t;
- #endif