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[mirror_ubuntu-jammy-kernel.git] / drivers / char / drm / mga_state.c
1 /* mga_state.c -- State support for MGA G200/G400 -*- linux-c -*-
2 * Created: Thu Jan 27 02:53:43 2000 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 <keith@tungstengraphics.com>
30 *
31 * Rewritten by:
32 * Gareth Hughes <gareth@valinux.com>
33 */
34
35 #include "drmP.h"
36 #include "drm.h"
37 #include "mga_drm.h"
38 #include "mga_drv.h"
39
40 /* ================================================================
41 * DMA hardware state programming functions
42 */
43
44 static void mga_emit_clip_rect( drm_mga_private_t *dev_priv,
45 drm_clip_rect_t *box )
46 {
47 drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
48 drm_mga_context_regs_t *ctx = &sarea_priv->context_state;
49 unsigned int pitch = dev_priv->front_pitch;
50 DMA_LOCALS;
51
52 BEGIN_DMA( 2 );
53
54 /* Force reset of DWGCTL on G400 (eliminates clip disable bit).
55 */
56 if (dev_priv->chipset == MGA_CARD_TYPE_G400) {
57 DMA_BLOCK(MGA_DWGCTL, ctx->dwgctl,
58 MGA_LEN + MGA_EXEC, 0x80000000,
59 MGA_DWGCTL, ctx->dwgctl,
60 MGA_LEN + MGA_EXEC, 0x80000000);
61 }
62 DMA_BLOCK(MGA_DMAPAD, 0x00000000,
63 MGA_CXBNDRY, ((box->x2 - 1) << 16) | box->x1,
64 MGA_YTOP, box->y1 * pitch,
65 MGA_YBOT, (box->y2 - 1) * pitch);
66
67 ADVANCE_DMA();
68 }
69
70 static __inline__ void mga_g200_emit_context( drm_mga_private_t *dev_priv )
71 {
72 drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
73 drm_mga_context_regs_t *ctx = &sarea_priv->context_state;
74 DMA_LOCALS;
75
76 BEGIN_DMA( 3 );
77
78 DMA_BLOCK( MGA_DSTORG, ctx->dstorg,
79 MGA_MACCESS, ctx->maccess,
80 MGA_PLNWT, ctx->plnwt,
81 MGA_DWGCTL, ctx->dwgctl );
82
83 DMA_BLOCK( MGA_ALPHACTRL, ctx->alphactrl,
84 MGA_FOGCOL, ctx->fogcolor,
85 MGA_WFLAG, ctx->wflag,
86 MGA_ZORG, dev_priv->depth_offset );
87
88 DMA_BLOCK( MGA_FCOL, ctx->fcol,
89 MGA_DMAPAD, 0x00000000,
90 MGA_DMAPAD, 0x00000000,
91 MGA_DMAPAD, 0x00000000 );
92
93 ADVANCE_DMA();
94 }
95
96 static __inline__ void mga_g400_emit_context( drm_mga_private_t *dev_priv )
97 {
98 drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
99 drm_mga_context_regs_t *ctx = &sarea_priv->context_state;
100 DMA_LOCALS;
101
102 BEGIN_DMA( 4 );
103
104 DMA_BLOCK( MGA_DSTORG, ctx->dstorg,
105 MGA_MACCESS, ctx->maccess,
106 MGA_PLNWT, ctx->plnwt,
107 MGA_DWGCTL, ctx->dwgctl );
108
109 DMA_BLOCK( MGA_ALPHACTRL, ctx->alphactrl,
110 MGA_FOGCOL, ctx->fogcolor,
111 MGA_WFLAG, ctx->wflag,
112 MGA_ZORG, dev_priv->depth_offset );
113
114 DMA_BLOCK( MGA_WFLAG1, ctx->wflag,
115 MGA_TDUALSTAGE0, ctx->tdualstage0,
116 MGA_TDUALSTAGE1, ctx->tdualstage1,
117 MGA_FCOL, ctx->fcol );
118
119 DMA_BLOCK( MGA_STENCIL, ctx->stencil,
120 MGA_STENCILCTL, ctx->stencilctl,
121 MGA_DMAPAD, 0x00000000,
122 MGA_DMAPAD, 0x00000000 );
123
124 ADVANCE_DMA();
125 }
126
127 static __inline__ void mga_g200_emit_tex0( drm_mga_private_t *dev_priv )
128 {
129 drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
130 drm_mga_texture_regs_t *tex = &sarea_priv->tex_state[0];
131 DMA_LOCALS;
132
133 BEGIN_DMA( 4 );
134
135 DMA_BLOCK( MGA_TEXCTL2, tex->texctl2,
136 MGA_TEXCTL, tex->texctl,
137 MGA_TEXFILTER, tex->texfilter,
138 MGA_TEXBORDERCOL, tex->texbordercol );
139
140 DMA_BLOCK( MGA_TEXORG, tex->texorg,
141 MGA_TEXORG1, tex->texorg1,
142 MGA_TEXORG2, tex->texorg2,
143 MGA_TEXORG3, tex->texorg3 );
144
145 DMA_BLOCK( MGA_TEXORG4, tex->texorg4,
146 MGA_TEXWIDTH, tex->texwidth,
147 MGA_TEXHEIGHT, tex->texheight,
148 MGA_WR24, tex->texwidth );
149
150 DMA_BLOCK( MGA_WR34, tex->texheight,
151 MGA_TEXTRANS, 0x0000ffff,
152 MGA_TEXTRANSHIGH, 0x0000ffff,
153 MGA_DMAPAD, 0x00000000 );
154
155 ADVANCE_DMA();
156 }
157
158 static __inline__ void mga_g400_emit_tex0( drm_mga_private_t *dev_priv )
159 {
160 drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
161 drm_mga_texture_regs_t *tex = &sarea_priv->tex_state[0];
162 DMA_LOCALS;
163
164 /* printk("mga_g400_emit_tex0 %x %x %x\n", tex->texorg, */
165 /* tex->texctl, tex->texctl2); */
166
167 BEGIN_DMA( 6 );
168
169 DMA_BLOCK( MGA_TEXCTL2, tex->texctl2 | MGA_G400_TC2_MAGIC,
170 MGA_TEXCTL, tex->texctl,
171 MGA_TEXFILTER, tex->texfilter,
172 MGA_TEXBORDERCOL, tex->texbordercol );
173
174 DMA_BLOCK( MGA_TEXORG, tex->texorg,
175 MGA_TEXORG1, tex->texorg1,
176 MGA_TEXORG2, tex->texorg2,
177 MGA_TEXORG3, tex->texorg3 );
178
179 DMA_BLOCK( MGA_TEXORG4, tex->texorg4,
180 MGA_TEXWIDTH, tex->texwidth,
181 MGA_TEXHEIGHT, tex->texheight,
182 MGA_WR49, 0x00000000 );
183
184 DMA_BLOCK( MGA_WR57, 0x00000000,
185 MGA_WR53, 0x00000000,
186 MGA_WR61, 0x00000000,
187 MGA_WR52, MGA_G400_WR_MAGIC );
188
189 DMA_BLOCK( MGA_WR60, MGA_G400_WR_MAGIC,
190 MGA_WR54, tex->texwidth | MGA_G400_WR_MAGIC,
191 MGA_WR62, tex->texheight | MGA_G400_WR_MAGIC,
192 MGA_DMAPAD, 0x00000000 );
193
194 DMA_BLOCK( MGA_DMAPAD, 0x00000000,
195 MGA_DMAPAD, 0x00000000,
196 MGA_TEXTRANS, 0x0000ffff,
197 MGA_TEXTRANSHIGH, 0x0000ffff );
198
199 ADVANCE_DMA();
200 }
201
202 static __inline__ void mga_g400_emit_tex1( drm_mga_private_t *dev_priv )
203 {
204 drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
205 drm_mga_texture_regs_t *tex = &sarea_priv->tex_state[1];
206 DMA_LOCALS;
207
208 /* printk("mga_g400_emit_tex1 %x %x %x\n", tex->texorg, */
209 /* tex->texctl, tex->texctl2); */
210
211 BEGIN_DMA( 5 );
212
213 DMA_BLOCK( MGA_TEXCTL2, (tex->texctl2 |
214 MGA_MAP1_ENABLE |
215 MGA_G400_TC2_MAGIC),
216 MGA_TEXCTL, tex->texctl,
217 MGA_TEXFILTER, tex->texfilter,
218 MGA_TEXBORDERCOL, tex->texbordercol );
219
220 DMA_BLOCK( MGA_TEXORG, tex->texorg,
221 MGA_TEXORG1, tex->texorg1,
222 MGA_TEXORG2, tex->texorg2,
223 MGA_TEXORG3, tex->texorg3 );
224
225 DMA_BLOCK( MGA_TEXORG4, tex->texorg4,
226 MGA_TEXWIDTH, tex->texwidth,
227 MGA_TEXHEIGHT, tex->texheight,
228 MGA_WR49, 0x00000000 );
229
230 DMA_BLOCK( MGA_WR57, 0x00000000,
231 MGA_WR53, 0x00000000,
232 MGA_WR61, 0x00000000,
233 MGA_WR52, tex->texwidth | MGA_G400_WR_MAGIC );
234
235 DMA_BLOCK( MGA_WR60, tex->texheight | MGA_G400_WR_MAGIC,
236 MGA_TEXTRANS, 0x0000ffff,
237 MGA_TEXTRANSHIGH, 0x0000ffff,
238 MGA_TEXCTL2, tex->texctl2 | MGA_G400_TC2_MAGIC );
239
240 ADVANCE_DMA();
241 }
242
243 static __inline__ void mga_g200_emit_pipe( drm_mga_private_t *dev_priv )
244 {
245 drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
246 unsigned int pipe = sarea_priv->warp_pipe;
247 DMA_LOCALS;
248
249 BEGIN_DMA( 3 );
250
251 DMA_BLOCK( MGA_WIADDR, MGA_WMODE_SUSPEND,
252 MGA_WVRTXSZ, 0x00000007,
253 MGA_WFLAG, 0x00000000,
254 MGA_WR24, 0x00000000 );
255
256 DMA_BLOCK( MGA_WR25, 0x00000100,
257 MGA_WR34, 0x00000000,
258 MGA_WR42, 0x0000ffff,
259 MGA_WR60, 0x0000ffff );
260
261 /* Padding required to to hardware bug.
262 */
263 DMA_BLOCK(MGA_DMAPAD, 0xffffffff,
264 MGA_DMAPAD, 0xffffffff,
265 MGA_DMAPAD, 0xffffffff,
266 MGA_WIADDR, (dev_priv->warp_pipe_phys[pipe] |
267 MGA_WMODE_START | dev_priv->wagp_enable));
268
269 ADVANCE_DMA();
270 }
271
272 static __inline__ void mga_g400_emit_pipe( drm_mga_private_t *dev_priv )
273 {
274 drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
275 unsigned int pipe = sarea_priv->warp_pipe;
276 DMA_LOCALS;
277
278 /* printk("mga_g400_emit_pipe %x\n", pipe); */
279
280 BEGIN_DMA( 10 );
281
282 DMA_BLOCK( MGA_WIADDR2, MGA_WMODE_SUSPEND,
283 MGA_DMAPAD, 0x00000000,
284 MGA_DMAPAD, 0x00000000,
285 MGA_DMAPAD, 0x00000000 );
286
287 if ( pipe & MGA_T2 ) {
288 DMA_BLOCK( MGA_WVRTXSZ, 0x00001e09,
289 MGA_DMAPAD, 0x00000000,
290 MGA_DMAPAD, 0x00000000,
291 MGA_DMAPAD, 0x00000000 );
292
293 DMA_BLOCK( MGA_WACCEPTSEQ, 0x00000000,
294 MGA_WACCEPTSEQ, 0x00000000,
295 MGA_WACCEPTSEQ, 0x00000000,
296 MGA_WACCEPTSEQ, 0x1e000000 );
297 } else {
298 if ( dev_priv->warp_pipe & MGA_T2 ) {
299 /* Flush the WARP pipe */
300 DMA_BLOCK( MGA_YDST, 0x00000000,
301 MGA_FXLEFT, 0x00000000,
302 MGA_FXRIGHT, 0x00000001,
303 MGA_DWGCTL, MGA_DWGCTL_FLUSH );
304
305 DMA_BLOCK( MGA_LEN + MGA_EXEC, 0x00000001,
306 MGA_DWGSYNC, 0x00007000,
307 MGA_TEXCTL2, MGA_G400_TC2_MAGIC,
308 MGA_LEN + MGA_EXEC, 0x00000000 );
309
310 DMA_BLOCK( MGA_TEXCTL2, (MGA_DUALTEX |
311 MGA_G400_TC2_MAGIC),
312 MGA_LEN + MGA_EXEC, 0x00000000,
313 MGA_TEXCTL2, MGA_G400_TC2_MAGIC,
314 MGA_DMAPAD, 0x00000000 );
315 }
316
317 DMA_BLOCK( MGA_WVRTXSZ, 0x00001807,
318 MGA_DMAPAD, 0x00000000,
319 MGA_DMAPAD, 0x00000000,
320 MGA_DMAPAD, 0x00000000 );
321
322 DMA_BLOCK( MGA_WACCEPTSEQ, 0x00000000,
323 MGA_WACCEPTSEQ, 0x00000000,
324 MGA_WACCEPTSEQ, 0x00000000,
325 MGA_WACCEPTSEQ, 0x18000000 );
326 }
327
328 DMA_BLOCK( MGA_WFLAG, 0x00000000,
329 MGA_WFLAG1, 0x00000000,
330 MGA_WR56, MGA_G400_WR56_MAGIC,
331 MGA_DMAPAD, 0x00000000 );
332
333 DMA_BLOCK( MGA_WR49, 0x00000000, /* tex0 */
334 MGA_WR57, 0x00000000, /* tex0 */
335 MGA_WR53, 0x00000000, /* tex1 */
336 MGA_WR61, 0x00000000 ); /* tex1 */
337
338 DMA_BLOCK( MGA_WR54, MGA_G400_WR_MAGIC, /* tex0 width */
339 MGA_WR62, MGA_G400_WR_MAGIC, /* tex0 height */
340 MGA_WR52, MGA_G400_WR_MAGIC, /* tex1 width */
341 MGA_WR60, MGA_G400_WR_MAGIC ); /* tex1 height */
342
343 /* Padding required to to hardware bug */
344 DMA_BLOCK(MGA_DMAPAD, 0xffffffff,
345 MGA_DMAPAD, 0xffffffff,
346 MGA_DMAPAD, 0xffffffff,
347 MGA_WIADDR2, (dev_priv->warp_pipe_phys[pipe] |
348 MGA_WMODE_START | dev_priv->wagp_enable));
349
350 ADVANCE_DMA();
351 }
352
353 static void mga_g200_emit_state( drm_mga_private_t *dev_priv )
354 {
355 drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
356 unsigned int dirty = sarea_priv->dirty;
357
358 if ( sarea_priv->warp_pipe != dev_priv->warp_pipe ) {
359 mga_g200_emit_pipe( dev_priv );
360 dev_priv->warp_pipe = sarea_priv->warp_pipe;
361 }
362
363 if ( dirty & MGA_UPLOAD_CONTEXT ) {
364 mga_g200_emit_context( dev_priv );
365 sarea_priv->dirty &= ~MGA_UPLOAD_CONTEXT;
366 }
367
368 if ( dirty & MGA_UPLOAD_TEX0 ) {
369 mga_g200_emit_tex0( dev_priv );
370 sarea_priv->dirty &= ~MGA_UPLOAD_TEX0;
371 }
372 }
373
374 static void mga_g400_emit_state( drm_mga_private_t *dev_priv )
375 {
376 drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
377 unsigned int dirty = sarea_priv->dirty;
378 int multitex = sarea_priv->warp_pipe & MGA_T2;
379
380 if ( sarea_priv->warp_pipe != dev_priv->warp_pipe ) {
381 mga_g400_emit_pipe( dev_priv );
382 dev_priv->warp_pipe = sarea_priv->warp_pipe;
383 }
384
385 if ( dirty & MGA_UPLOAD_CONTEXT ) {
386 mga_g400_emit_context( dev_priv );
387 sarea_priv->dirty &= ~MGA_UPLOAD_CONTEXT;
388 }
389
390 if ( dirty & MGA_UPLOAD_TEX0 ) {
391 mga_g400_emit_tex0( dev_priv );
392 sarea_priv->dirty &= ~MGA_UPLOAD_TEX0;
393 }
394
395 if ( (dirty & MGA_UPLOAD_TEX1) && multitex ) {
396 mga_g400_emit_tex1( dev_priv );
397 sarea_priv->dirty &= ~MGA_UPLOAD_TEX1;
398 }
399 }
400
401
402 /* ================================================================
403 * SAREA state verification
404 */
405
406 /* Disallow all write destinations except the front and backbuffer.
407 */
408 static int mga_verify_context( drm_mga_private_t *dev_priv )
409 {
410 drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
411 drm_mga_context_regs_t *ctx = &sarea_priv->context_state;
412
413 if ( ctx->dstorg != dev_priv->front_offset &&
414 ctx->dstorg != dev_priv->back_offset ) {
415 DRM_ERROR( "*** bad DSTORG: %x (front %x, back %x)\n\n",
416 ctx->dstorg, dev_priv->front_offset,
417 dev_priv->back_offset );
418 ctx->dstorg = 0;
419 return DRM_ERR(EINVAL);
420 }
421
422 return 0;
423 }
424
425 /* Disallow texture reads from PCI space.
426 */
427 static int mga_verify_tex( drm_mga_private_t *dev_priv, int unit )
428 {
429 drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
430 drm_mga_texture_regs_t *tex = &sarea_priv->tex_state[unit];
431 unsigned int org;
432
433 org = tex->texorg & (MGA_TEXORGMAP_MASK | MGA_TEXORGACC_MASK);
434
435 if ( org == (MGA_TEXORGMAP_SYSMEM | MGA_TEXORGACC_PCI) ) {
436 DRM_ERROR( "*** bad TEXORG: 0x%x, unit %d\n",
437 tex->texorg, unit );
438 tex->texorg = 0;
439 return DRM_ERR(EINVAL);
440 }
441
442 return 0;
443 }
444
445 static int mga_verify_state( drm_mga_private_t *dev_priv )
446 {
447 drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
448 unsigned int dirty = sarea_priv->dirty;
449 int ret = 0;
450
451 if ( sarea_priv->nbox > MGA_NR_SAREA_CLIPRECTS )
452 sarea_priv->nbox = MGA_NR_SAREA_CLIPRECTS;
453
454 if ( dirty & MGA_UPLOAD_CONTEXT )
455 ret |= mga_verify_context( dev_priv );
456
457 if ( dirty & MGA_UPLOAD_TEX0 )
458 ret |= mga_verify_tex( dev_priv, 0 );
459
460 if (dev_priv->chipset >= MGA_CARD_TYPE_G400) {
461 if (dirty & MGA_UPLOAD_TEX1)
462 ret |= mga_verify_tex(dev_priv, 1);
463
464 if ( dirty & MGA_UPLOAD_PIPE )
465 ret |= ( sarea_priv->warp_pipe > MGA_MAX_G400_PIPES );
466 } else {
467 if ( dirty & MGA_UPLOAD_PIPE )
468 ret |= ( sarea_priv->warp_pipe > MGA_MAX_G200_PIPES );
469 }
470
471 return ( ret == 0 );
472 }
473
474 static int mga_verify_iload( drm_mga_private_t *dev_priv,
475 unsigned int dstorg, unsigned int length )
476 {
477 if ( dstorg < dev_priv->texture_offset ||
478 dstorg + length > (dev_priv->texture_offset +
479 dev_priv->texture_size) ) {
480 DRM_ERROR( "*** bad iload DSTORG: 0x%x\n", dstorg );
481 return DRM_ERR(EINVAL);
482 }
483
484 if ( length & MGA_ILOAD_MASK ) {
485 DRM_ERROR( "*** bad iload length: 0x%x\n",
486 length & MGA_ILOAD_MASK );
487 return DRM_ERR(EINVAL);
488 }
489
490 return 0;
491 }
492
493 static int mga_verify_blit( drm_mga_private_t *dev_priv,
494 unsigned int srcorg, unsigned int dstorg )
495 {
496 if ( (srcorg & 0x3) == (MGA_SRCACC_PCI | MGA_SRCMAP_SYSMEM) ||
497 (dstorg & 0x3) == (MGA_SRCACC_PCI | MGA_SRCMAP_SYSMEM) ) {
498 DRM_ERROR( "*** bad blit: src=0x%x dst=0x%x\n",
499 srcorg, dstorg );
500 return DRM_ERR(EINVAL);
501 }
502 return 0;
503 }
504
505
506 /* ================================================================
507 *
508 */
509
510 static void mga_dma_dispatch_clear( drm_device_t *dev,
511 drm_mga_clear_t *clear )
512 {
513 drm_mga_private_t *dev_priv = dev->dev_private;
514 drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
515 drm_mga_context_regs_t *ctx = &sarea_priv->context_state;
516 drm_clip_rect_t *pbox = sarea_priv->boxes;
517 int nbox = sarea_priv->nbox;
518 int i;
519 DMA_LOCALS;
520 DRM_DEBUG( "\n" );
521
522 BEGIN_DMA( 1 );
523
524 DMA_BLOCK( MGA_DMAPAD, 0x00000000,
525 MGA_DMAPAD, 0x00000000,
526 MGA_DWGSYNC, 0x00007100,
527 MGA_DWGSYNC, 0x00007000 );
528
529 ADVANCE_DMA();
530
531 for ( i = 0 ; i < nbox ; i++ ) {
532 drm_clip_rect_t *box = &pbox[i];
533 u32 height = box->y2 - box->y1;
534
535 DRM_DEBUG( " from=%d,%d to=%d,%d\n",
536 box->x1, box->y1, box->x2, box->y2 );
537
538 if ( clear->flags & MGA_FRONT ) {
539 BEGIN_DMA( 2 );
540
541 DMA_BLOCK( MGA_DMAPAD, 0x00000000,
542 MGA_PLNWT, clear->color_mask,
543 MGA_YDSTLEN, (box->y1 << 16) | height,
544 MGA_FXBNDRY, (box->x2 << 16) | box->x1 );
545
546 DMA_BLOCK( MGA_DMAPAD, 0x00000000,
547 MGA_FCOL, clear->clear_color,
548 MGA_DSTORG, dev_priv->front_offset,
549 MGA_DWGCTL + MGA_EXEC,
550 dev_priv->clear_cmd );
551
552 ADVANCE_DMA();
553 }
554
555
556 if ( clear->flags & MGA_BACK ) {
557 BEGIN_DMA( 2 );
558
559 DMA_BLOCK( MGA_DMAPAD, 0x00000000,
560 MGA_PLNWT, clear->color_mask,
561 MGA_YDSTLEN, (box->y1 << 16) | height,
562 MGA_FXBNDRY, (box->x2 << 16) | box->x1 );
563
564 DMA_BLOCK( MGA_DMAPAD, 0x00000000,
565 MGA_FCOL, clear->clear_color,
566 MGA_DSTORG, dev_priv->back_offset,
567 MGA_DWGCTL + MGA_EXEC,
568 dev_priv->clear_cmd );
569
570 ADVANCE_DMA();
571 }
572
573 if ( clear->flags & MGA_DEPTH ) {
574 BEGIN_DMA( 2 );
575
576 DMA_BLOCK( MGA_DMAPAD, 0x00000000,
577 MGA_PLNWT, clear->depth_mask,
578 MGA_YDSTLEN, (box->y1 << 16) | height,
579 MGA_FXBNDRY, (box->x2 << 16) | box->x1 );
580
581 DMA_BLOCK( MGA_DMAPAD, 0x00000000,
582 MGA_FCOL, clear->clear_depth,
583 MGA_DSTORG, dev_priv->depth_offset,
584 MGA_DWGCTL + MGA_EXEC,
585 dev_priv->clear_cmd );
586
587 ADVANCE_DMA();
588 }
589
590 }
591
592 BEGIN_DMA( 1 );
593
594 /* Force reset of DWGCTL */
595 DMA_BLOCK( MGA_DMAPAD, 0x00000000,
596 MGA_DMAPAD, 0x00000000,
597 MGA_PLNWT, ctx->plnwt,
598 MGA_DWGCTL, ctx->dwgctl );
599
600 ADVANCE_DMA();
601
602 FLUSH_DMA();
603 }
604
605 static void mga_dma_dispatch_swap( drm_device_t *dev )
606 {
607 drm_mga_private_t *dev_priv = dev->dev_private;
608 drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
609 drm_mga_context_regs_t *ctx = &sarea_priv->context_state;
610 drm_clip_rect_t *pbox = sarea_priv->boxes;
611 int nbox = sarea_priv->nbox;
612 int i;
613 DMA_LOCALS;
614 DRM_DEBUG( "\n" );
615
616 sarea_priv->last_frame.head = dev_priv->prim.tail;
617 sarea_priv->last_frame.wrap = dev_priv->prim.last_wrap;
618
619 BEGIN_DMA( 4 + nbox );
620
621 DMA_BLOCK( MGA_DMAPAD, 0x00000000,
622 MGA_DMAPAD, 0x00000000,
623 MGA_DWGSYNC, 0x00007100,
624 MGA_DWGSYNC, 0x00007000 );
625
626 DMA_BLOCK( MGA_DSTORG, dev_priv->front_offset,
627 MGA_MACCESS, dev_priv->maccess,
628 MGA_SRCORG, dev_priv->back_offset,
629 MGA_AR5, dev_priv->front_pitch );
630
631 DMA_BLOCK( MGA_DMAPAD, 0x00000000,
632 MGA_DMAPAD, 0x00000000,
633 MGA_PLNWT, 0xffffffff,
634 MGA_DWGCTL, MGA_DWGCTL_COPY );
635
636 for ( i = 0 ; i < nbox ; i++ ) {
637 drm_clip_rect_t *box = &pbox[i];
638 u32 height = box->y2 - box->y1;
639 u32 start = box->y1 * dev_priv->front_pitch;
640
641 DRM_DEBUG( " from=%d,%d to=%d,%d\n",
642 box->x1, box->y1, box->x2, box->y2 );
643
644 DMA_BLOCK( MGA_AR0, start + box->x2 - 1,
645 MGA_AR3, start + box->x1,
646 MGA_FXBNDRY, ((box->x2 - 1) << 16) | box->x1,
647 MGA_YDSTLEN + MGA_EXEC,
648 (box->y1 << 16) | height );
649 }
650
651 DMA_BLOCK( MGA_DMAPAD, 0x00000000,
652 MGA_PLNWT, ctx->plnwt,
653 MGA_SRCORG, dev_priv->front_offset,
654 MGA_DWGCTL, ctx->dwgctl );
655
656 ADVANCE_DMA();
657
658 FLUSH_DMA();
659
660 DRM_DEBUG( "%s... done.\n", __FUNCTION__ );
661 }
662
663 static void mga_dma_dispatch_vertex( drm_device_t *dev, drm_buf_t *buf )
664 {
665 drm_mga_private_t *dev_priv = dev->dev_private;
666 drm_mga_buf_priv_t *buf_priv = buf->dev_private;
667 drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
668 u32 address = (u32) buf->bus_address;
669 u32 length = (u32) buf->used;
670 int i = 0;
671 DMA_LOCALS;
672 DRM_DEBUG( "vertex: buf=%d used=%d\n", buf->idx, buf->used );
673
674 if ( buf->used ) {
675 buf_priv->dispatched = 1;
676
677 MGA_EMIT_STATE( dev_priv, sarea_priv->dirty );
678
679 do {
680 if ( i < sarea_priv->nbox ) {
681 mga_emit_clip_rect( dev_priv,
682 &sarea_priv->boxes[i] );
683 }
684
685 BEGIN_DMA( 1 );
686
687 DMA_BLOCK(MGA_DMAPAD, 0x00000000,
688 MGA_DMAPAD, 0x00000000,
689 MGA_SECADDRESS, (address |
690 MGA_DMA_VERTEX),
691 MGA_SECEND, ((address + length) |
692 dev_priv->dma_access));
693
694 ADVANCE_DMA();
695 } while ( ++i < sarea_priv->nbox );
696 }
697
698 if ( buf_priv->discard ) {
699 AGE_BUFFER( buf_priv );
700 buf->pending = 0;
701 buf->used = 0;
702 buf_priv->dispatched = 0;
703
704 mga_freelist_put( dev, buf );
705 }
706
707 FLUSH_DMA();
708 }
709
710 static void mga_dma_dispatch_indices( drm_device_t *dev, drm_buf_t *buf,
711 unsigned int start, unsigned int end )
712 {
713 drm_mga_private_t *dev_priv = dev->dev_private;
714 drm_mga_buf_priv_t *buf_priv = buf->dev_private;
715 drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
716 u32 address = (u32) buf->bus_address;
717 int i = 0;
718 DMA_LOCALS;
719 DRM_DEBUG( "indices: buf=%d start=%d end=%d\n", buf->idx, start, end );
720
721 if ( start != end ) {
722 buf_priv->dispatched = 1;
723
724 MGA_EMIT_STATE( dev_priv, sarea_priv->dirty );
725
726 do {
727 if ( i < sarea_priv->nbox ) {
728 mga_emit_clip_rect( dev_priv,
729 &sarea_priv->boxes[i] );
730 }
731
732 BEGIN_DMA( 1 );
733
734 DMA_BLOCK(MGA_DMAPAD, 0x00000000,
735 MGA_DMAPAD, 0x00000000,
736 MGA_SETUPADDRESS, address + start,
737 MGA_SETUPEND, ((address + end) |
738 dev_priv->dma_access));
739
740 ADVANCE_DMA();
741 } while ( ++i < sarea_priv->nbox );
742 }
743
744 if ( buf_priv->discard ) {
745 AGE_BUFFER( buf_priv );
746 buf->pending = 0;
747 buf->used = 0;
748 buf_priv->dispatched = 0;
749
750 mga_freelist_put( dev, buf );
751 }
752
753 FLUSH_DMA();
754 }
755
756 /* This copies a 64 byte aligned agp region to the frambuffer with a
757 * standard blit, the ioctl needs to do checking.
758 */
759 static void mga_dma_dispatch_iload( drm_device_t *dev, drm_buf_t *buf,
760 unsigned int dstorg, unsigned int length )
761 {
762 drm_mga_private_t *dev_priv = dev->dev_private;
763 drm_mga_buf_priv_t *buf_priv = buf->dev_private;
764 drm_mga_context_regs_t *ctx = &dev_priv->sarea_priv->context_state;
765 u32 srcorg = buf->bus_address | dev_priv->dma_access | MGA_SRCMAP_SYSMEM;
766 u32 y2;
767 DMA_LOCALS;
768 DRM_DEBUG( "buf=%d used=%d\n", buf->idx, buf->used );
769
770 y2 = length / 64;
771
772 BEGIN_DMA( 5 );
773
774 DMA_BLOCK( MGA_DMAPAD, 0x00000000,
775 MGA_DMAPAD, 0x00000000,
776 MGA_DWGSYNC, 0x00007100,
777 MGA_DWGSYNC, 0x00007000 );
778
779 DMA_BLOCK( MGA_DSTORG, dstorg,
780 MGA_MACCESS, 0x00000000,
781 MGA_SRCORG, srcorg,
782 MGA_AR5, 64 );
783
784 DMA_BLOCK( MGA_PITCH, 64,
785 MGA_PLNWT, 0xffffffff,
786 MGA_DMAPAD, 0x00000000,
787 MGA_DWGCTL, MGA_DWGCTL_COPY );
788
789 DMA_BLOCK( MGA_AR0, 63,
790 MGA_AR3, 0,
791 MGA_FXBNDRY, (63 << 16) | 0,
792 MGA_YDSTLEN + MGA_EXEC, y2 );
793
794 DMA_BLOCK( MGA_PLNWT, ctx->plnwt,
795 MGA_SRCORG, dev_priv->front_offset,
796 MGA_PITCH, dev_priv->front_pitch,
797 MGA_DWGSYNC, 0x00007000 );
798
799 ADVANCE_DMA();
800
801 AGE_BUFFER( buf_priv );
802
803 buf->pending = 0;
804 buf->used = 0;
805 buf_priv->dispatched = 0;
806
807 mga_freelist_put( dev, buf );
808
809 FLUSH_DMA();
810 }
811
812 static void mga_dma_dispatch_blit( drm_device_t *dev,
813 drm_mga_blit_t *blit )
814 {
815 drm_mga_private_t *dev_priv = dev->dev_private;
816 drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
817 drm_mga_context_regs_t *ctx = &sarea_priv->context_state;
818 drm_clip_rect_t *pbox = sarea_priv->boxes;
819 int nbox = sarea_priv->nbox;
820 u32 scandir = 0, i;
821 DMA_LOCALS;
822 DRM_DEBUG( "\n" );
823
824 BEGIN_DMA( 4 + nbox );
825
826 DMA_BLOCK( MGA_DMAPAD, 0x00000000,
827 MGA_DMAPAD, 0x00000000,
828 MGA_DWGSYNC, 0x00007100,
829 MGA_DWGSYNC, 0x00007000 );
830
831 DMA_BLOCK( MGA_DWGCTL, MGA_DWGCTL_COPY,
832 MGA_PLNWT, blit->planemask,
833 MGA_SRCORG, blit->srcorg,
834 MGA_DSTORG, blit->dstorg );
835
836 DMA_BLOCK( MGA_SGN, scandir,
837 MGA_MACCESS, dev_priv->maccess,
838 MGA_AR5, blit->ydir * blit->src_pitch,
839 MGA_PITCH, blit->dst_pitch );
840
841 for ( i = 0 ; i < nbox ; i++ ) {
842 int srcx = pbox[i].x1 + blit->delta_sx;
843 int srcy = pbox[i].y1 + blit->delta_sy;
844 int dstx = pbox[i].x1 + blit->delta_dx;
845 int dsty = pbox[i].y1 + blit->delta_dy;
846 int h = pbox[i].y2 - pbox[i].y1;
847 int w = pbox[i].x2 - pbox[i].x1 - 1;
848 int start;
849
850 if ( blit->ydir == -1 ) {
851 srcy = blit->height - srcy - 1;
852 }
853
854 start = srcy * blit->src_pitch + srcx;
855
856 DMA_BLOCK( MGA_AR0, start + w,
857 MGA_AR3, start,
858 MGA_FXBNDRY, ((dstx + w) << 16) | (dstx & 0xffff),
859 MGA_YDSTLEN + MGA_EXEC, (dsty << 16) | h );
860 }
861
862 /* Do something to flush AGP?
863 */
864
865 /* Force reset of DWGCTL */
866 DMA_BLOCK( MGA_DMAPAD, 0x00000000,
867 MGA_PLNWT, ctx->plnwt,
868 MGA_PITCH, dev_priv->front_pitch,
869 MGA_DWGCTL, ctx->dwgctl );
870
871 ADVANCE_DMA();
872 }
873
874
875 /* ================================================================
876 *
877 */
878
879 static int mga_dma_clear( DRM_IOCTL_ARGS )
880 {
881 DRM_DEVICE;
882 drm_mga_private_t *dev_priv = dev->dev_private;
883 drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
884 drm_mga_clear_t clear;
885
886 LOCK_TEST_WITH_RETURN( dev, filp );
887
888 DRM_COPY_FROM_USER_IOCTL( clear, (drm_mga_clear_t __user *)data, sizeof(clear) );
889
890 if ( sarea_priv->nbox > MGA_NR_SAREA_CLIPRECTS )
891 sarea_priv->nbox = MGA_NR_SAREA_CLIPRECTS;
892
893 WRAP_TEST_WITH_RETURN( dev_priv );
894
895 mga_dma_dispatch_clear( dev, &clear );
896
897 /* Make sure we restore the 3D state next time.
898 */
899 dev_priv->sarea_priv->dirty |= MGA_UPLOAD_CONTEXT;
900
901 return 0;
902 }
903
904 static int mga_dma_swap( DRM_IOCTL_ARGS )
905 {
906 DRM_DEVICE;
907 drm_mga_private_t *dev_priv = dev->dev_private;
908 drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
909
910 LOCK_TEST_WITH_RETURN( dev, filp );
911
912 if ( sarea_priv->nbox > MGA_NR_SAREA_CLIPRECTS )
913 sarea_priv->nbox = MGA_NR_SAREA_CLIPRECTS;
914
915 WRAP_TEST_WITH_RETURN( dev_priv );
916
917 mga_dma_dispatch_swap( dev );
918
919 /* Make sure we restore the 3D state next time.
920 */
921 dev_priv->sarea_priv->dirty |= MGA_UPLOAD_CONTEXT;
922
923 return 0;
924 }
925
926 static int mga_dma_vertex( DRM_IOCTL_ARGS )
927 {
928 DRM_DEVICE;
929 drm_mga_private_t *dev_priv = dev->dev_private;
930 drm_device_dma_t *dma = dev->dma;
931 drm_buf_t *buf;
932 drm_mga_buf_priv_t *buf_priv;
933 drm_mga_vertex_t vertex;
934
935 LOCK_TEST_WITH_RETURN( dev, filp );
936
937 DRM_COPY_FROM_USER_IOCTL( vertex,
938 (drm_mga_vertex_t __user *)data,
939 sizeof(vertex) );
940
941 if(vertex.idx < 0 || vertex.idx > dma->buf_count) return DRM_ERR(EINVAL);
942 buf = dma->buflist[vertex.idx];
943 buf_priv = buf->dev_private;
944
945 buf->used = vertex.used;
946 buf_priv->discard = vertex.discard;
947
948 if ( !mga_verify_state( dev_priv ) ) {
949 if ( vertex.discard ) {
950 if ( buf_priv->dispatched == 1 )
951 AGE_BUFFER( buf_priv );
952 buf_priv->dispatched = 0;
953 mga_freelist_put( dev, buf );
954 }
955 return DRM_ERR(EINVAL);
956 }
957
958 WRAP_TEST_WITH_RETURN( dev_priv );
959
960 mga_dma_dispatch_vertex( dev, buf );
961
962 return 0;
963 }
964
965 static int mga_dma_indices( DRM_IOCTL_ARGS )
966 {
967 DRM_DEVICE;
968 drm_mga_private_t *dev_priv = dev->dev_private;
969 drm_device_dma_t *dma = dev->dma;
970 drm_buf_t *buf;
971 drm_mga_buf_priv_t *buf_priv;
972 drm_mga_indices_t indices;
973
974 LOCK_TEST_WITH_RETURN( dev, filp );
975
976 DRM_COPY_FROM_USER_IOCTL( indices,
977 (drm_mga_indices_t __user *)data,
978 sizeof(indices) );
979
980 if(indices.idx < 0 || indices.idx > dma->buf_count) return DRM_ERR(EINVAL);
981
982 buf = dma->buflist[indices.idx];
983 buf_priv = buf->dev_private;
984
985 buf_priv->discard = indices.discard;
986
987 if ( !mga_verify_state( dev_priv ) ) {
988 if ( indices.discard ) {
989 if ( buf_priv->dispatched == 1 )
990 AGE_BUFFER( buf_priv );
991 buf_priv->dispatched = 0;
992 mga_freelist_put( dev, buf );
993 }
994 return DRM_ERR(EINVAL);
995 }
996
997 WRAP_TEST_WITH_RETURN( dev_priv );
998
999 mga_dma_dispatch_indices( dev, buf, indices.start, indices.end );
1000
1001 return 0;
1002 }
1003
1004 static int mga_dma_iload( DRM_IOCTL_ARGS )
1005 {
1006 DRM_DEVICE;
1007 drm_device_dma_t *dma = dev->dma;
1008 drm_mga_private_t *dev_priv = dev->dev_private;
1009 drm_buf_t *buf;
1010 drm_mga_buf_priv_t *buf_priv;
1011 drm_mga_iload_t iload;
1012 DRM_DEBUG( "\n" );
1013
1014 LOCK_TEST_WITH_RETURN( dev, filp );
1015
1016 DRM_COPY_FROM_USER_IOCTL( iload, (drm_mga_iload_t __user *)data, sizeof(iload) );
1017
1018 #if 0
1019 if ( mga_do_wait_for_idle( dev_priv ) < 0 ) {
1020 if ( MGA_DMA_DEBUG )
1021 DRM_INFO( "%s: -EBUSY\n", __FUNCTION__ );
1022 return DRM_ERR(EBUSY);
1023 }
1024 #endif
1025 if(iload.idx < 0 || iload.idx > dma->buf_count) return DRM_ERR(EINVAL);
1026
1027 buf = dma->buflist[iload.idx];
1028 buf_priv = buf->dev_private;
1029
1030 if ( mga_verify_iload( dev_priv, iload.dstorg, iload.length ) ) {
1031 mga_freelist_put( dev, buf );
1032 return DRM_ERR(EINVAL);
1033 }
1034
1035 WRAP_TEST_WITH_RETURN( dev_priv );
1036
1037 mga_dma_dispatch_iload( dev, buf, iload.dstorg, iload.length );
1038
1039 /* Make sure we restore the 3D state next time.
1040 */
1041 dev_priv->sarea_priv->dirty |= MGA_UPLOAD_CONTEXT;
1042
1043 return 0;
1044 }
1045
1046 static int mga_dma_blit( DRM_IOCTL_ARGS )
1047 {
1048 DRM_DEVICE;
1049 drm_mga_private_t *dev_priv = dev->dev_private;
1050 drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
1051 drm_mga_blit_t blit;
1052 DRM_DEBUG( "\n" );
1053
1054 LOCK_TEST_WITH_RETURN( dev, filp );
1055
1056 DRM_COPY_FROM_USER_IOCTL( blit, (drm_mga_blit_t __user *)data, sizeof(blit) );
1057
1058 if ( sarea_priv->nbox > MGA_NR_SAREA_CLIPRECTS )
1059 sarea_priv->nbox = MGA_NR_SAREA_CLIPRECTS;
1060
1061 if ( mga_verify_blit( dev_priv, blit.srcorg, blit.dstorg ) )
1062 return DRM_ERR(EINVAL);
1063
1064 WRAP_TEST_WITH_RETURN( dev_priv );
1065
1066 mga_dma_dispatch_blit( dev, &blit );
1067
1068 /* Make sure we restore the 3D state next time.
1069 */
1070 dev_priv->sarea_priv->dirty |= MGA_UPLOAD_CONTEXT;
1071
1072 return 0;
1073 }
1074
1075 static int mga_getparam( DRM_IOCTL_ARGS )
1076 {
1077 DRM_DEVICE;
1078 drm_mga_private_t *dev_priv = dev->dev_private;
1079 drm_mga_getparam_t param;
1080 int value;
1081
1082 if ( !dev_priv ) {
1083 DRM_ERROR( "%s called with no initialization\n", __FUNCTION__ );
1084 return DRM_ERR(EINVAL);
1085 }
1086
1087 DRM_COPY_FROM_USER_IOCTL( param, (drm_mga_getparam_t __user *)data,
1088 sizeof(param) );
1089
1090 DRM_DEBUG( "pid=%d\n", DRM_CURRENTPID );
1091
1092 switch( param.param ) {
1093 case MGA_PARAM_IRQ_NR:
1094 value = dev->irq;
1095 break;
1096 case MGA_PARAM_CARD_TYPE:
1097 value = dev_priv->chipset;
1098 break;
1099 default:
1100 return DRM_ERR(EINVAL);
1101 }
1102
1103 if ( DRM_COPY_TO_USER( param.value, &value, sizeof(int) ) ) {
1104 DRM_ERROR( "copy_to_user\n" );
1105 return DRM_ERR(EFAULT);
1106 }
1107
1108 return 0;
1109 }
1110
1111 static int mga_set_fence(DRM_IOCTL_ARGS)
1112 {
1113 DRM_DEVICE;
1114 drm_mga_private_t *dev_priv = dev->dev_private;
1115 u32 temp;
1116 DMA_LOCALS;
1117
1118 if (!dev_priv) {
1119 DRM_ERROR("%s called with no initialization\n", __FUNCTION__);
1120 return DRM_ERR(EINVAL);
1121 }
1122
1123 DRM_DEBUG("pid=%d\n", DRM_CURRENTPID);
1124
1125 /* I would normal do this assignment in the declaration of temp,
1126 * but dev_priv may be NULL.
1127 */
1128
1129 temp = dev_priv->next_fence_to_post;
1130 dev_priv->next_fence_to_post++;
1131
1132 BEGIN_DMA(1);
1133 DMA_BLOCK(MGA_DMAPAD, 0x00000000,
1134 MGA_DMAPAD, 0x00000000,
1135 MGA_DMAPAD, 0x00000000,
1136 MGA_SOFTRAP, 0x00000000);
1137 ADVANCE_DMA();
1138
1139 if (DRM_COPY_TO_USER( (u32 __user *) data, & temp, sizeof(u32))) {
1140 DRM_ERROR("copy_to_user\n");
1141 return DRM_ERR(EFAULT);
1142 }
1143
1144 return 0;
1145 }
1146
1147 static int mga_wait_fence(DRM_IOCTL_ARGS)
1148 {
1149 DRM_DEVICE;
1150 drm_mga_private_t *dev_priv = dev->dev_private;
1151 u32 fence;
1152
1153 if (!dev_priv) {
1154 DRM_ERROR("%s called with no initialization\n", __FUNCTION__);
1155 return DRM_ERR(EINVAL);
1156 }
1157
1158 DRM_COPY_FROM_USER_IOCTL(fence, (u32 __user *) data, sizeof(u32));
1159
1160 DRM_DEBUG("pid=%d\n", DRM_CURRENTPID);
1161
1162 mga_driver_fence_wait(dev, & fence);
1163
1164 if (DRM_COPY_TO_USER( (u32 __user *) data, & fence, sizeof(u32))) {
1165 DRM_ERROR("copy_to_user\n");
1166 return DRM_ERR(EFAULT);
1167 }
1168
1169 return 0;
1170 }
1171
1172 drm_ioctl_desc_t mga_ioctls[] = {
1173 [DRM_IOCTL_NR(DRM_MGA_INIT)] = {mga_dma_init, 1, 1},
1174 [DRM_IOCTL_NR(DRM_MGA_FLUSH)] = {mga_dma_flush, 1, 0},
1175 [DRM_IOCTL_NR(DRM_MGA_RESET)] = {mga_dma_reset, 1, 0},
1176 [DRM_IOCTL_NR(DRM_MGA_SWAP)] = {mga_dma_swap, 1, 0},
1177 [DRM_IOCTL_NR(DRM_MGA_CLEAR)] = {mga_dma_clear, 1, 0},
1178 [DRM_IOCTL_NR(DRM_MGA_VERTEX)] = {mga_dma_vertex, 1, 0},
1179 [DRM_IOCTL_NR(DRM_MGA_INDICES)] = {mga_dma_indices, 1, 0},
1180 [DRM_IOCTL_NR(DRM_MGA_ILOAD)] = {mga_dma_iload, 1, 0},
1181 [DRM_IOCTL_NR(DRM_MGA_BLIT)] = {mga_dma_blit, 1, 0},
1182 [DRM_IOCTL_NR(DRM_MGA_GETPARAM)] = {mga_getparam, 1, 0},
1183 [DRM_IOCTL_NR(DRM_MGA_SET_FENCE)] = {mga_set_fence, 1, 0},
1184 [DRM_IOCTL_NR(DRM_MGA_WAIT_FENCE)] = {mga_wait_fence, 1, 0},
1185 [DRM_IOCTL_NR(DRM_MGA_DMA_BOOTSTRAP)] = {mga_dma_bootstrap, 1, 1},
1186
1187 };
1188
1189 int mga_max_ioctl = DRM_ARRAY_SIZE(mga_ioctls);
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