aboutsummaryrefslogtreecommitdiff
path: root/shared-core/mga_drm.h
blob: 40f06c36c3e0333e7211bd98d1a6e03b3ace40f8 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
/* 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 <keith@tungstengraphics.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

#define  DRM_MGA_IDLE_RETRY          2048

#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)
 */

/* MGA specific ioctls
 * The device specific ioctl range is 0x40 to 0x79.
 */
#define DRM_MGA_INIT     0x00
#define DRM_MGA_FLUSH    0x01
#define DRM_MGA_RESET    0x02
#define DRM_MGA_SWAP     0x03
#define DRM_MGA_CLEAR    0x04
#define DRM_MGA_VERTEX   0x05
#define DRM_MGA_INDICES  0x06
#define DRM_MGA_ILOAD    0x07
#define DRM_MGA_BLIT     0x08
#define DRM_MGA_GETPARAM 0x09

#define DRM_IOCTL_MGA_INIT     DRM_IOW( DRM_COMMAND_BASE + DRM_MGA_INIT, drm_mga_init_t)
#define DRM_IOCTL_MGA_FLUSH    DRM_IOW( DRM_COMMAND_BASE + DRM_MGA_FLUSH, drm_lock_t)
#define DRM_IOCTL_MGA_RESET    DRM_IO(  DRM_COMMAND_BASE + DRM_MGA_RESET)
#define DRM_IOCTL_MGA_SWAP     DRM_IO(  DRM_COMMAND_BASE + DRM_MGA_SWAP)
#define DRM_IOCTL_MGA_CLEAR    DRM_IOW( DRM_COMMAND_BASE + DRM_MGA_CLEAR, drm_mga_clear_t)
#define DRM_IOCTL_MGA_VERTEX   DRM_IOW( DRM_COMMAND_BASE + DRM_MGA_VERTEX, drm_mga_vertex_t)
#define DRM_IOCTL_MGA_INDICES  DRM_IOW( DRM_COMMAND_BASE + DRM_MGA_INDICES, drm_mga_indices_t)
#define DRM_IOCTL_MGA_ILOAD    DRM_IOW( DRM_COMMAND_BASE + DRM_MGA_ILOAD, drm_mga_iload_t)
#define DRM_IOCTL_MGA_BLIT     DRM_IOW( DRM_COMMAND_BASE + DRM_MGA_BLIT, drm_mga_blit_t)
#define DRM_IOCTL_MGA_GETPARAM DRM_IOWR(DRM_COMMAND_BASE + DRM_MGA_GETPARAM, drm_mga_getparam_t)

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;

/* 3.1: An ioctl to get parameters that aren't available to the 3d
 * client any other way.
 */
#define MGA_PARAM_IRQ_NR            1

typedef struct drm_mga_getparam {
	int param;
	void __user *value;
} drm_mga_getparam_t;

#endif