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source: vbox/trunk/src/VBox/Additions/x11/x11include/libdrm-2.4.13/mga_drm.h@ 54853

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1/* mga_drm.h -- Public header for the Matrox g200/g400 driver -*- linux-c -*-
2 * Created: Tue Jan 25 01:50:01 1999 by [email protected]
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 <[email protected]>
29 * Keith Whitwell <[email protected]>
30 *
31 * Rewritten by:
32 * Gareth Hughes <[email protected]>
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
42#ifndef __MGA_SAREA_DEFINES__
43#define __MGA_SAREA_DEFINES__
44
45/* WARP pipe flags
46 */
47#define MGA_F 0x1 /* fog */
48#define MGA_A 0x2 /* alpha */
49#define MGA_S 0x4 /* specular */
50#define MGA_T2 0x8 /* multitexture */
51
52#define MGA_WARP_TGZ 0
53#define MGA_WARP_TGZF (MGA_F)
54#define MGA_WARP_TGZA (MGA_A)
55#define MGA_WARP_TGZAF (MGA_F|MGA_A)
56#define MGA_WARP_TGZS (MGA_S)
57#define MGA_WARP_TGZSF (MGA_S|MGA_F)
58#define MGA_WARP_TGZSA (MGA_S|MGA_A)
59#define MGA_WARP_TGZSAF (MGA_S|MGA_F|MGA_A)
60#define MGA_WARP_T2GZ (MGA_T2)
61#define MGA_WARP_T2GZF (MGA_T2|MGA_F)
62#define MGA_WARP_T2GZA (MGA_T2|MGA_A)
63#define MGA_WARP_T2GZAF (MGA_T2|MGA_A|MGA_F)
64#define MGA_WARP_T2GZS (MGA_T2|MGA_S)
65#define MGA_WARP_T2GZSF (MGA_T2|MGA_S|MGA_F)
66#define MGA_WARP_T2GZSA (MGA_T2|MGA_S|MGA_A)
67#define MGA_WARP_T2GZSAF (MGA_T2|MGA_S|MGA_F|MGA_A)
68
69#define MGA_MAX_G200_PIPES 8 /* no multitex */
70#define MGA_MAX_G400_PIPES 16
71#define MGA_MAX_WARP_PIPES MGA_MAX_G400_PIPES
72#define MGA_WARP_UCODE_SIZE 32768 /* in bytes */
73
74#define MGA_CARD_TYPE_G200 1
75#define MGA_CARD_TYPE_G400 2
76#define MGA_CARD_TYPE_G450 3 /* not currently used */
77#define MGA_CARD_TYPE_G550 4
78
79#define MGA_FRONT 0x1
80#define MGA_BACK 0x2
81#define MGA_DEPTH 0x4
82
83/* What needs to be changed for the current vertex dma buffer?
84 */
85#define MGA_UPLOAD_CONTEXT 0x1
86#define MGA_UPLOAD_TEX0 0x2
87#define MGA_UPLOAD_TEX1 0x4
88#define MGA_UPLOAD_PIPE 0x8
89#define MGA_UPLOAD_TEX0IMAGE 0x10 /* handled client-side */
90#define MGA_UPLOAD_TEX1IMAGE 0x20 /* handled client-side */
91#define MGA_UPLOAD_2D 0x40
92#define MGA_WAIT_AGE 0x80 /* handled client-side */
93#define MGA_UPLOAD_CLIPRECTS 0x100 /* handled client-side */
94#if 0
95#define MGA_DMA_FLUSH 0x200 /* set when someone gets the lock
96 quiescent */
97#endif
98
99/* 32 buffers of 64k each, total 2 meg.
100 */
101#define MGA_BUFFER_SIZE (1 << 16)
102#define MGA_NUM_BUFFERS 128
103
104/* Keep these small for testing.
105 */
106#define MGA_NR_SAREA_CLIPRECTS 8
107
108/* 2 heaps (1 for card, 1 for agp), each divided into upto 128
109 * regions, subject to a minimum region size of (1<<16) == 64k.
110 *
111 * Clients may subdivide regions internally, but when sharing between
112 * clients, the region size is the minimum granularity.
113 */
114
115#define MGA_CARD_HEAP 0
116#define MGA_AGP_HEAP 1
117#define MGA_NR_TEX_HEAPS 2
118#define MGA_NR_TEX_REGIONS 16
119#define MGA_LOG_MIN_TEX_REGION_SIZE 16
120
121#define DRM_MGA_IDLE_RETRY 2048
122
123#endif /* __MGA_SAREA_DEFINES__ */
124
125/* Setup registers for 3D context
126 */
127typedef struct {
128 unsigned int dstorg;
129 unsigned int maccess;
130 unsigned int plnwt;
131 unsigned int dwgctl;
132 unsigned int alphactrl;
133 unsigned int fogcolor;
134 unsigned int wflag;
135 unsigned int tdualstage0;
136 unsigned int tdualstage1;
137 unsigned int fcol;
138 unsigned int stencil;
139 unsigned int stencilctl;
140} drm_mga_context_regs_t;
141
142/* Setup registers for 2D, X server
143 */
144typedef struct {
145 unsigned int pitch;
146} drm_mga_server_regs_t;
147
148/* Setup registers for each texture unit
149 */
150typedef struct {
151 unsigned int texctl;
152 unsigned int texctl2;
153 unsigned int texfilter;
154 unsigned int texbordercol;
155 unsigned int texorg;
156 unsigned int texwidth;
157 unsigned int texheight;
158 unsigned int texorg1;
159 unsigned int texorg2;
160 unsigned int texorg3;
161 unsigned int texorg4;
162} drm_mga_texture_regs_t;
163
164/* General aging mechanism
165 */
166typedef struct {
167 unsigned int head; /* Position of head pointer */
168 unsigned int wrap; /* Primary DMA wrap count */
169} drm_mga_age_t;
170
171typedef struct _drm_mga_sarea {
172 /* The channel for communication of state information to the kernel
173 * on firing a vertex dma buffer.
174 */
175 drm_mga_context_regs_t context_state;
176 drm_mga_server_regs_t server_state;
177 drm_mga_texture_regs_t tex_state[2];
178 unsigned int warp_pipe;
179 unsigned int dirty;
180 unsigned int vertsize;
181
182 /* The current cliprects, or a subset thereof.
183 */
184 struct drm_clip_rect boxes[MGA_NR_SAREA_CLIPRECTS];
185 unsigned int nbox;
186
187 /* Information about the most recently used 3d drawable. The
188 * client fills in the req_* fields, the server fills in the
189 * exported_ fields and puts the cliprects into boxes, above.
190 *
191 * The client clears the exported_drawable field before
192 * clobbering the boxes data.
193 */
194 unsigned int req_drawable; /* the X drawable id */
195 unsigned int req_draw_buffer; /* MGA_FRONT or MGA_BACK */
196
197 unsigned int exported_drawable;
198 unsigned int exported_index;
199 unsigned int exported_stamp;
200 unsigned int exported_buffers;
201 unsigned int exported_nfront;
202 unsigned int exported_nback;
203 int exported_back_x, exported_front_x, exported_w;
204 int exported_back_y, exported_front_y, exported_h;
205 struct drm_clip_rect exported_boxes[MGA_NR_SAREA_CLIPRECTS];
206
207 /* Counters for aging textures and for client-side throttling.
208 */
209 unsigned int status[4];
210 unsigned int last_wrap;
211
212 drm_mga_age_t last_frame;
213 unsigned int last_enqueue; /* last time a buffer was enqueued */
214 unsigned int last_dispatch; /* age of the most recently dispatched buffer */
215 unsigned int last_quiescent; /* */
216
217 /* LRU lists for texture memory in agp space and on the card.
218 */
219 struct drm_tex_region texList[MGA_NR_TEX_HEAPS][MGA_NR_TEX_REGIONS + 1];
220 unsigned int texAge[MGA_NR_TEX_HEAPS];
221
222 /* Mechanism to validate card state.
223 */
224 int ctxOwner;
225} drm_mga_sarea_t;
226
227
228/* MGA specific ioctls
229 * The device specific ioctl range is 0x40 to 0x79.
230 */
231#define DRM_MGA_INIT 0x00
232#define DRM_MGA_FLUSH 0x01
233#define DRM_MGA_RESET 0x02
234#define DRM_MGA_SWAP 0x03
235#define DRM_MGA_CLEAR 0x04
236#define DRM_MGA_VERTEX 0x05
237#define DRM_MGA_INDICES 0x06
238#define DRM_MGA_ILOAD 0x07
239#define DRM_MGA_BLIT 0x08
240#define DRM_MGA_GETPARAM 0x09
241
242/* 3.2:
243 * ioctls for operating on fences.
244 */
245#define DRM_MGA_SET_FENCE 0x0a
246#define DRM_MGA_WAIT_FENCE 0x0b
247#define DRM_MGA_DMA_BOOTSTRAP 0x0c
248
249
250#define DRM_IOCTL_MGA_INIT DRM_IOW( DRM_COMMAND_BASE + DRM_MGA_INIT, drm_mga_init_t)
251#define DRM_IOCTL_MGA_FLUSH DRM_IOW( DRM_COMMAND_BASE + DRM_MGA_FLUSH, drm_lock_t)
252#define DRM_IOCTL_MGA_RESET DRM_IO( DRM_COMMAND_BASE + DRM_MGA_RESET)
253#define DRM_IOCTL_MGA_SWAP DRM_IO( DRM_COMMAND_BASE + DRM_MGA_SWAP)
254#define DRM_IOCTL_MGA_CLEAR DRM_IOW( DRM_COMMAND_BASE + DRM_MGA_CLEAR, drm_mga_clear_t)
255#define DRM_IOCTL_MGA_VERTEX DRM_IOW( DRM_COMMAND_BASE + DRM_MGA_VERTEX, drm_mga_vertex_t)
256#define DRM_IOCTL_MGA_INDICES DRM_IOW( DRM_COMMAND_BASE + DRM_MGA_INDICES, drm_mga_indices_t)
257#define DRM_IOCTL_MGA_ILOAD DRM_IOW( DRM_COMMAND_BASE + DRM_MGA_ILOAD, drm_mga_iload_t)
258#define DRM_IOCTL_MGA_BLIT DRM_IOW( DRM_COMMAND_BASE + DRM_MGA_BLIT, drm_mga_blit_t)
259#define DRM_IOCTL_MGA_GETPARAM DRM_IOWR(DRM_COMMAND_BASE + DRM_MGA_GETPARAM, drm_mga_getparam_t)
260#define DRM_IOCTL_MGA_SET_FENCE DRM_IOW( DRM_COMMAND_BASE + DRM_MGA_SET_FENCE, uint32_t)
261#define DRM_IOCTL_MGA_WAIT_FENCE DRM_IOWR(DRM_COMMAND_BASE + DRM_MGA_WAIT_FENCE, uint32_t)
262#define DRM_IOCTL_MGA_DMA_BOOTSTRAP DRM_IOWR(DRM_COMMAND_BASE + DRM_MGA_DMA_BOOTSTRAP, drm_mga_dma_bootstrap_t)
263
264typedef struct _drm_mga_warp_index {
265 int installed;
266 unsigned long phys_addr;
267 int size;
268} drm_mga_warp_index_t;
269
270typedef struct drm_mga_init {
271 enum {
272 MGA_INIT_DMA = 0x01,
273 MGA_CLEANUP_DMA = 0x02
274 } func;
275
276 unsigned long sarea_priv_offset;
277
278 int chipset;
279 int sgram;
280
281 unsigned int maccess;
282
283 unsigned int fb_cpp;
284 unsigned int front_offset, front_pitch;
285 unsigned int back_offset, back_pitch;
286
287 unsigned int depth_cpp;
288 unsigned int depth_offset, depth_pitch;
289
290 unsigned int texture_offset[MGA_NR_TEX_HEAPS];
291 unsigned int texture_size[MGA_NR_TEX_HEAPS];
292
293 unsigned long fb_offset;
294 unsigned long mmio_offset;
295 unsigned long status_offset;
296 unsigned long warp_offset;
297 unsigned long primary_offset;
298 unsigned long buffers_offset;
299} drm_mga_init_t;
300
301
302typedef struct drm_mga_dma_bootstrap {
303 /**
304 * \name AGP texture region
305 *
306 * On return from the DRM_MGA_DMA_BOOTSTRAP ioctl, these fields will
307 * be filled in with the actual AGP texture settings.
308 *
309 * \warning
310 * If these fields are non-zero, but dma_mga_dma_bootstrap::agp_mode
311 * is zero, it means that PCI memory (most likely through the use of
312 * an IOMMU) is being used for "AGP" textures.
313 */
314 /*@{*/
315 unsigned long texture_handle; /**< Handle used to map AGP textures. */
316 uint32_t texture_size; /**< Size of the AGP texture region. */
317 /*@}*/
318
319
320 /**
321 * Requested size of the primary DMA region.
322 *
323 * On return from the DRM_MGA_DMA_BOOTSTRAP ioctl, this field will be
324 * filled in with the actual AGP mode. If AGP was not available
325 */
326 uint32_t primary_size;
327
328
329 /**
330 * Requested number of secondary DMA buffers.
331 *
332 * On return from the DRM_MGA_DMA_BOOTSTRAP ioctl, this field will be
333 * filled in with the actual number of secondary DMA buffers
334 * allocated. Particularly when PCI DMA is used, this may be
335 * (subtantially) less than the number requested.
336 */
337 uint32_t secondary_bin_count;
338
339
340 /**
341 * Requested size of each secondary DMA buffer.
342 *
343 * While the kernel \b is free to reduce
344 * dma_mga_dma_bootstrap::secondary_bin_count, it is \b not allowed
345 * to reduce dma_mga_dma_bootstrap::secondary_bin_size.
346 */
347 uint32_t secondary_bin_size;
348
349
350 /**
351 * Bit-wise mask of AGPSTAT2_* values. Currently only \c AGPSTAT2_1X,
352 * \c AGPSTAT2_2X, and \c AGPSTAT2_4X are supported. If this value is
353 * zero, it means that PCI DMA should be used, even if AGP is
354 * possible.
355 *
356 * On return from the DRM_MGA_DMA_BOOTSTRAP ioctl, this field will be
357 * filled in with the actual AGP mode. If AGP was not available
358 * (i.e., PCI DMA was used), this value will be zero.
359 */
360 uint32_t agp_mode;
361
362
363 /**
364 * Desired AGP GART size, measured in megabytes.
365 */
366 uint8_t agp_size;
367} drm_mga_dma_bootstrap_t;
368
369typedef struct drm_mga_clear {
370 unsigned int flags;
371 unsigned int clear_color;
372 unsigned int clear_depth;
373 unsigned int color_mask;
374 unsigned int depth_mask;
375} drm_mga_clear_t;
376
377typedef struct drm_mga_vertex {
378 int idx; /* buffer to queue */
379 int used; /* bytes in use */
380 int discard; /* client finished with buffer? */
381} drm_mga_vertex_t;
382
383typedef struct drm_mga_indices {
384 int idx; /* buffer to queue */
385 unsigned int start;
386 unsigned int end;
387 int discard; /* client finished with buffer? */
388} drm_mga_indices_t;
389
390typedef struct drm_mga_iload {
391 int idx;
392 unsigned int dstorg;
393 unsigned int length;
394} drm_mga_iload_t;
395
396typedef struct _drm_mga_blit {
397 unsigned int planemask;
398 unsigned int srcorg;
399 unsigned int dstorg;
400 int src_pitch, dst_pitch;
401 int delta_sx, delta_sy;
402 int delta_dx, delta_dy;
403 int height, ydir; /* flip image vertically */
404 int source_pitch, dest_pitch;
405} drm_mga_blit_t;
406
407/* 3.1: An ioctl to get parameters that aren't available to the 3d
408 * client any other way.
409 */
410#define MGA_PARAM_IRQ_NR 1
411
412/* 3.2: Query the actual card type. The DDX only distinguishes between
413 * G200 chips and non-G200 chips, which it calls G400. It turns out that
414 * there are some very sublte differences between the G4x0 chips and the G550
415 * chips. Using this parameter query, a client-side driver can detect the
416 * difference between a G4x0 and a G550.
417 */
418#define MGA_PARAM_CARD_TYPE 2
419
420typedef struct drm_mga_getparam {
421 int param;
422 void __user *value;
423} drm_mga_getparam_t;
424
425#endif
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