1/* mga_drm.h -- Public header for the Matrox g200/g400 driver -*- linux-c -*- 2 * Created: Tue Jan 25 01:50:01 1999 by jhartmann@precisioninsight.com 3 * 4 * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. 5 * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. 6 * All rights reserved. 7 * 8 * Permission is hereby granted, free of charge, to any person obtaining a 9 * copy of this software and associated documentation files (the "Software"), 10 * to deal in the Software without restriction, including without limitation 11 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 12 * and/or sell copies of the Software, and to permit persons to whom the 13 * Software is furnished to do so, subject to the following conditions: 14 * 15 * The above copyright notice and this permission notice (including the next 16 * paragraph) shall be included in all copies or substantial portions of the 17 * Software. 18 * 19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 20 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 21 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 22 * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR 23 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 24 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 25 * OTHER DEALINGS IN THE SOFTWARE. 26 * 27 * Authors: 28 * Jeff Hartmann <jhartmann@valinux.com> 29 * Keith Whitwell <keithw@valinux.com> 30 * 31 * Rewritten by: 32 * Gareth Hughes <gareth@valinux.com> 33 */ 34 35#ifndef __MGA_DRM_H__ 36#define __MGA_DRM_H__ 37 38/* WARNING: If you change any of these defines, make sure to change the 39 * defines in the Xserver file (mga_sarea.h) 40 */ 41#ifndef __MGA_SAREA_DEFINES__ 42#define __MGA_SAREA_DEFINES__ 43 44/* WARP pipe flags 45 */ 46#define MGA_F 0x1 /* fog */ 47#define MGA_A 0x2 /* alpha */ 48#define MGA_S 0x4 /* specular */ 49#define MGA_T2 0x8 /* multitexture */ 50 51#define MGA_WARP_TGZ 0 52#define MGA_WARP_TGZF (MGA_F) 53#define MGA_WARP_TGZA (MGA_A) 54#define MGA_WARP_TGZAF (MGA_F|MGA_A) 55#define MGA_WARP_TGZS (MGA_S) 56#define MGA_WARP_TGZSF (MGA_S|MGA_F) 57#define MGA_WARP_TGZSA (MGA_S|MGA_A) 58#define MGA_WARP_TGZSAF (MGA_S|MGA_F|MGA_A) 59#define MGA_WARP_T2GZ (MGA_T2) 60#define MGA_WARP_T2GZF (MGA_T2|MGA_F) 61#define MGA_WARP_T2GZA (MGA_T2|MGA_A) 62#define MGA_WARP_T2GZAF (MGA_T2|MGA_A|MGA_F) 63#define MGA_WARP_T2GZS (MGA_T2|MGA_S) 64#define MGA_WARP_T2GZSF (MGA_T2|MGA_S|MGA_F) 65#define MGA_WARP_T2GZSA (MGA_T2|MGA_S|MGA_A) 66#define MGA_WARP_T2GZSAF (MGA_T2|MGA_S|MGA_F|MGA_A) 67 68#define MGA_MAX_G200_PIPES 8 /* no multitex */ 69#define MGA_MAX_G400_PIPES 16 70#define MGA_MAX_WARP_PIPES MGA_MAX_G400_PIPES 71#define MGA_WARP_UCODE_SIZE 32768 /* in bytes */ 72 73#define MGA_CARD_TYPE_G200 1 74#define MGA_CARD_TYPE_G400 2 75 76 77#define MGA_FRONT 0x1 78#define MGA_BACK 0x2 79#define MGA_DEPTH 0x4 80 81/* What needs to be changed for the current vertex dma buffer? 82 */ 83#define MGA_UPLOAD_CONTEXT 0x1 84#define MGA_UPLOAD_TEX0 0x2 85#define MGA_UPLOAD_TEX1 0x4 86#define MGA_UPLOAD_PIPE 0x8 87#define MGA_UPLOAD_TEX0IMAGE 0x10 /* handled client-side */ 88#define MGA_UPLOAD_TEX1IMAGE 0x20 /* handled client-side */ 89#define MGA_UPLOAD_2D 0x40 90#define MGA_WAIT_AGE 0x80 /* handled client-side */ 91#define MGA_UPLOAD_CLIPRECTS 0x100 /* handled client-side */ 92 93/* 32 buffers of 64k each, total 2 meg. 94 */ 95#define MGA_BUFFER_SIZE (1 << 16) 96#define MGA_NUM_BUFFERS 128 97 98/* Keep these small for testing. 99 */ 100#define MGA_NR_SAREA_CLIPRECTS 8 101 102/* 2 heaps (1 for card, 1 for agp), each divided into upto 128 103 * regions, subject to a minimum region size of (1<<16) == 64k. 104 * 105 * Clients may subdivide regions internally, but when sharing between 106 * clients, the region size is the minimum granularity. 107 */ 108 109#define MGA_CARD_HEAP 0 110#define MGA_AGP_HEAP 1 111#define MGA_NR_TEX_HEAPS 2 112#define MGA_NR_TEX_REGIONS 16 113#define MGA_LOG_MIN_TEX_REGION_SIZE 16 114 115#endif /* __MGA_SAREA_DEFINES__ */ 116 117 118/* Setup registers for 3D context 119 */ 120typedef struct { 121 unsigned int dstorg; 122 unsigned int maccess; 123 unsigned int plnwt; 124 unsigned int dwgctl; 125 unsigned int alphactrl; 126 unsigned int fogcolor; 127 unsigned int wflag; 128 unsigned int tdualstage0; 129 unsigned int tdualstage1; 130 unsigned int fcol; 131 unsigned int stencil; 132 unsigned int stencilctl; 133} drm_mga_context_regs_t; 134 135/* Setup registers for 2D, X server 136 */ 137typedef struct { 138 unsigned int pitch; 139} drm_mga_server_regs_t; 140 141/* Setup registers for each texture unit 142 */ 143typedef struct { 144 unsigned int texctl; 145 unsigned int texctl2; 146 unsigned int texfilter; 147 unsigned int texbordercol; 148 unsigned int texorg; 149 unsigned int texwidth; 150 unsigned int texheight; 151 unsigned int texorg1; 152 unsigned int texorg2; 153 unsigned int texorg3; 154 unsigned int texorg4; 155} drm_mga_texture_regs_t; 156 157/* General aging mechanism 158 */ 159typedef struct { 160 unsigned int head; /* Position of head pointer */ 161 unsigned int wrap; /* Primary DMA wrap count */ 162} drm_mga_age_t; 163 164typedef struct _drm_mga_sarea { 165 /* The channel for communication of state information to the kernel 166 * on firing a vertex dma buffer. 167 */ 168 drm_mga_context_regs_t context_state; 169 drm_mga_server_regs_t server_state; 170 drm_mga_texture_regs_t tex_state[2]; 171 unsigned int warp_pipe; 172 unsigned int dirty; 173 unsigned int vertsize; 174 175 /* The current cliprects, or a subset thereof. 176 */ 177 drm_clip_rect_t boxes[MGA_NR_SAREA_CLIPRECTS]; 178 unsigned int nbox; 179 180 /* Information about the most recently used 3d drawable. The 181 * client fills in the req_* fields, the server fills in the 182 * exported_ fields and puts the cliprects into boxes, above. 183 * 184 * The client clears the exported_drawable field before 185 * clobbering the boxes data. 186 */ 187 unsigned int req_drawable; /* the X drawable id */ 188 unsigned int req_draw_buffer; /* MGA_FRONT or MGA_BACK */ 189 190 unsigned int exported_drawable; 191 unsigned int exported_index; 192 unsigned int exported_stamp; 193 unsigned int exported_buffers; 194 unsigned int exported_nfront; 195 unsigned int exported_nback; 196 int exported_back_x, exported_front_x, exported_w; 197 int exported_back_y, exported_front_y, exported_h; 198 drm_clip_rect_t exported_boxes[MGA_NR_SAREA_CLIPRECTS]; 199 200 /* Counters for aging textures and for client-side throttling. 201 */ 202 unsigned int status[4]; 203 unsigned int last_wrap; 204 205 drm_mga_age_t last_frame; 206 unsigned int last_enqueue; /* last time a buffer was enqueued */ 207 unsigned int last_dispatch; /* age of the most recently dispatched buffer */ 208 unsigned int last_quiescent; /* */ 209 210 /* LRU lists for texture memory in agp space and on the card. 211 */ 212 drm_tex_region_t texList[MGA_NR_TEX_HEAPS][MGA_NR_TEX_REGIONS+1]; 213 unsigned int texAge[MGA_NR_TEX_HEAPS]; 214 215 /* Mechanism to validate card state. 216 */ 217 int ctxOwner; 218} drm_mga_sarea_t; 219 220 221/* WARNING: If you change any of these defines, make sure to change the 222 * defines in the Xserver file (xf86drmMga.h) 223 */ 224typedef struct _drm_mga_warp_index { 225 int installed; 226 unsigned long phys_addr; 227 int size; 228} drm_mga_warp_index_t; 229 230typedef struct drm_mga_init { 231 enum { 232 MGA_INIT_DMA = 0x01, 233 MGA_CLEANUP_DMA = 0x02 234 } func; 235 236 unsigned long sarea_priv_offset; 237 238 int chipset; 239 int sgram; 240 241 unsigned int maccess; 242 243 unsigned int fb_cpp; 244 unsigned int front_offset, front_pitch; 245 unsigned int back_offset, back_pitch; 246 247 unsigned int depth_cpp; 248 unsigned int depth_offset, depth_pitch; 249 250 unsigned int texture_offset[MGA_NR_TEX_HEAPS]; 251 unsigned int texture_size[MGA_NR_TEX_HEAPS]; 252 253 unsigned long fb_offset; 254 unsigned long mmio_offset; 255 unsigned long status_offset; 256 unsigned long warp_offset; 257 unsigned long primary_offset; 258 unsigned long buffers_offset; 259} drm_mga_init_t; 260 261typedef struct drm_mga_fullscreen { 262 enum { 263 MGA_INIT_FULLSCREEN = 0x01, 264 MGA_CLEANUP_FULLSCREEN = 0x02 265 } func; 266} drm_mga_fullscreen_t; 267 268typedef struct drm_mga_clear { 269 unsigned int flags; 270 unsigned int clear_color; 271 unsigned int clear_depth; 272 unsigned int color_mask; 273 unsigned int depth_mask; 274} drm_mga_clear_t; 275 276typedef struct drm_mga_vertex { 277 int idx; /* buffer to queue */ 278 int used; /* bytes in use */ 279 int discard; /* client finished with buffer? */ 280} drm_mga_vertex_t; 281 282typedef struct drm_mga_indices { 283 int idx; /* buffer to queue */ 284 unsigned int start; 285 unsigned int end; 286 int discard; /* client finished with buffer? */ 287} drm_mga_indices_t; 288 289typedef struct drm_mga_iload { 290 int idx; 291 unsigned int dstorg; 292 unsigned int length; 293} drm_mga_iload_t; 294 295typedef struct _drm_mga_blit { 296 unsigned int planemask; 297 unsigned int srcorg; 298 unsigned int dstorg; 299 int src_pitch, dst_pitch; 300 int delta_sx, delta_sy; 301 int delta_dx, delta_dy; 302 int height, ydir; /* flip image vertically */ 303 int source_pitch, dest_pitch; 304} drm_mga_blit_t; 305 306#endif 307