1 /* mga_drv.h -- Private header for the Matrox G200/G400 driver -*- linux-c -*-
2 * Created: Mon Dec 13 01:50:01 1999 by jhartmann@precisioninsight.com
4 * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
5 * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
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:
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
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.
28 * Gareth Hughes <gareth@valinux.com>
34 /* General customization:
37 #define DRIVER_AUTHOR "Gareth Hughes, VA Linux Systems Inc."
39 #define DRIVER_NAME "mga"
40 #define DRIVER_DESC "Matrox G200/G400"
41 #define DRIVER_DATE "20021029"
43 #define DRIVER_MAJOR 3
44 #define DRIVER_MINOR 1
45 #define DRIVER_PATCHLEVEL 0
47 typedef struct drm_mga_primary_buffer
{
54 volatile long wrapped
;
62 } drm_mga_primary_buffer_t
;
64 typedef struct drm_mga_freelist
{
65 struct drm_mga_freelist
*next
;
66 struct drm_mga_freelist
*prev
;
72 drm_mga_freelist_t
*list_entry
;
77 typedef struct drm_mga_private
{
78 drm_mga_primary_buffer_t prim
;
79 drm_mga_sarea_t
*sarea_priv
;
81 drm_mga_freelist_t
*head
;
82 drm_mga_freelist_t
*tail
;
84 unsigned int warp_pipe
;
85 unsigned long warp_pipe_phys
[MGA_MAX_WARP_PIPES
];
94 unsigned int front_offset
;
95 unsigned int front_pitch
;
96 unsigned int back_offset
;
97 unsigned int back_pitch
;
99 unsigned int depth_cpp
;
100 unsigned int depth_offset
;
101 unsigned int depth_pitch
;
103 unsigned int texture_offset
;
104 unsigned int texture_size
;
106 drm_local_map_t
*sarea
;
107 drm_local_map_t
*mmio
;
108 drm_local_map_t
*status
;
109 drm_local_map_t
*warp
;
110 drm_local_map_t
*primary
;
111 drm_local_map_t
*buffers
;
112 drm_local_map_t
*agp_textures
;
116 extern int mga_dma_init( DRM_IOCTL_ARGS
);
117 extern int mga_dma_flush( DRM_IOCTL_ARGS
);
118 extern int mga_dma_reset( DRM_IOCTL_ARGS
);
119 extern int mga_dma_buffers( DRM_IOCTL_ARGS
);
120 extern void mga_driver_pretakedown(drm_device_t
*dev
);
121 extern int mga_driver_dma_quiescent(drm_device_t
*dev
);
123 extern int mga_do_wait_for_idle( drm_mga_private_t
*dev_priv
);
125 extern void mga_do_dma_flush( drm_mga_private_t
*dev_priv
);
126 extern void mga_do_dma_wrap_start( drm_mga_private_t
*dev_priv
);
127 extern void mga_do_dma_wrap_end( drm_mga_private_t
*dev_priv
);
129 extern int mga_freelist_put( drm_device_t
*dev
, drm_buf_t
*buf
);
132 extern int mga_warp_install_microcode( drm_mga_private_t
*dev_priv
);
133 extern int mga_warp_init( drm_mga_private_t
*dev_priv
);
135 extern int mga_driver_vblank_wait(drm_device_t
*dev
, unsigned int *sequence
);
136 extern irqreturn_t
mga_driver_irq_handler( DRM_IRQ_ARGS
);
137 extern void mga_driver_irq_preinstall( drm_device_t
*dev
);
138 extern void mga_driver_irq_postinstall( drm_device_t
*dev
);
139 extern void mga_driver_irq_uninstall( drm_device_t
*dev
);
141 #define mga_flush_write_combine() DRM_WRITEMEMORYBARRIER()
143 #if defined(__linux__) && defined(__alpha__)
144 #define MGA_BASE( reg ) ((unsigned long)(dev_priv->mmio->handle))
145 #define MGA_ADDR( reg ) (MGA_BASE(reg) + reg)
147 #define MGA_DEREF( reg ) *(volatile u32 *)MGA_ADDR( reg )
148 #define MGA_DEREF8( reg ) *(volatile u8 *)MGA_ADDR( reg )
150 #define MGA_READ( reg ) (_MGA_READ((u32 *)MGA_ADDR(reg)))
151 #define MGA_READ8( reg ) (_MGA_READ((u8 *)MGA_ADDR(reg)))
152 #define MGA_WRITE( reg, val ) do { DRM_WRITEMEMORYBARRIER(); MGA_DEREF( reg ) = val; } while (0)
153 #define MGA_WRITE8( reg, val ) do { DRM_WRITEMEMORYBARRIER(); MGA_DEREF8( reg ) = val; } while (0)
155 static inline u32
_MGA_READ(u32
*addr
)
158 return *(volatile u32
*)addr
;
161 #define MGA_READ8( reg ) DRM_READ8(dev_priv->mmio, (reg))
162 #define MGA_READ( reg ) DRM_READ32(dev_priv->mmio, (reg))
163 #define MGA_WRITE8( reg, val ) DRM_WRITE8(dev_priv->mmio, (reg), (val))
164 #define MGA_WRITE( reg, val ) DRM_WRITE32(dev_priv->mmio, (reg), (val))
167 #define DWGREG0 0x1c00
168 #define DWGREG0_END 0x1dff
169 #define DWGREG1 0x2c00
170 #define DWGREG1_END 0x2dff
172 #define ISREG0(r) (r >= DWGREG0 && r <= DWGREG0_END)
173 #define DMAREG0(r) (u8)((r - DWGREG0) >> 2)
174 #define DMAREG1(r) (u8)(((r - DWGREG1) >> 2) | 0x80)
175 #define DMAREG(r) (ISREG0(r) ? DMAREG0(r) : DMAREG1(r))
179 /* ================================================================
183 #define MGA_EMIT_STATE( dev_priv, dirty ) \
185 if ( (dirty) & ~MGA_UPLOAD_CLIPRECTS ) { \
186 if ( dev_priv->chipset == MGA_CARD_TYPE_G400 ) { \
187 mga_g400_emit_state( dev_priv ); \
189 mga_g200_emit_state( dev_priv ); \
194 #define WRAP_TEST_WITH_RETURN( dev_priv ) \
196 if ( test_bit( 0, &dev_priv->prim.wrapped ) ) { \
197 if ( mga_is_idle( dev_priv ) ) { \
198 mga_do_dma_wrap_end( dev_priv ); \
199 } else if ( dev_priv->prim.space < \
200 dev_priv->prim.high_mark ) { \
201 if ( MGA_DMA_DEBUG ) \
202 DRM_INFO( "%s: wrap...\n", __FUNCTION__ ); \
203 return DRM_ERR(EBUSY); \
208 #define WRAP_WAIT_WITH_RETURN( dev_priv ) \
210 if ( test_bit( 0, &dev_priv->prim.wrapped ) ) { \
211 if ( mga_do_wait_for_idle( dev_priv ) < 0 ) { \
212 if ( MGA_DMA_DEBUG ) \
213 DRM_INFO( "%s: wrap...\n", __FUNCTION__ ); \
214 return DRM_ERR(EBUSY); \
216 mga_do_dma_wrap_end( dev_priv ); \
221 /* ================================================================
222 * Primary DMA command stream
225 #define MGA_VERBOSE 0
227 #define DMA_LOCALS unsigned int write; volatile u8 *prim;
229 #define DMA_BLOCK_SIZE (5 * sizeof(u32))
231 #define BEGIN_DMA( n ) \
233 if ( MGA_VERBOSE ) { \
234 DRM_INFO( "BEGIN_DMA( %d ) in %s\n", \
235 (n), __FUNCTION__ ); \
236 DRM_INFO( " space=0x%x req=0x%Zx\n", \
237 dev_priv->prim.space, (n) * DMA_BLOCK_SIZE ); \
239 prim = dev_priv->prim.start; \
240 write = dev_priv->prim.tail; \
243 #define BEGIN_DMA_WRAP() \
245 if ( MGA_VERBOSE ) { \
246 DRM_INFO( "BEGIN_DMA() in %s\n", __FUNCTION__ ); \
247 DRM_INFO( " space=0x%x\n", dev_priv->prim.space ); \
249 prim = dev_priv->prim.start; \
250 write = dev_priv->prim.tail; \
253 #define ADVANCE_DMA() \
255 dev_priv->prim.tail = write; \
256 if ( MGA_VERBOSE ) { \
257 DRM_INFO( "ADVANCE_DMA() tail=0x%05x sp=0x%x\n", \
258 write, dev_priv->prim.space ); \
262 #define FLUSH_DMA() \
265 DRM_INFO( "%s:\n", __FUNCTION__ ); \
266 DRM_INFO( " tail=0x%06x head=0x%06lx\n", \
267 dev_priv->prim.tail, \
268 MGA_READ( MGA_PRIMADDRESS ) - \
269 dev_priv->primary->offset ); \
271 if ( !test_bit( 0, &dev_priv->prim.wrapped ) ) { \
272 if ( dev_priv->prim.space < \
273 dev_priv->prim.high_mark ) { \
274 mga_do_dma_wrap_start( dev_priv ); \
276 mga_do_dma_flush( dev_priv ); \
281 /* Never use this, always use DMA_BLOCK(...) for primary DMA output.
283 #define DMA_WRITE( offset, val ) \
285 if ( MGA_VERBOSE ) { \
286 DRM_INFO( " DMA_WRITE( 0x%08x ) at 0x%04Zx\n", \
287 (u32)(val), write + (offset) * sizeof(u32) ); \
289 *(volatile u32 *)(prim + write + (offset) * sizeof(u32)) = val; \
292 #define DMA_BLOCK( reg0, val0, reg1, val1, reg2, val2, reg3, val3 ) \
294 DMA_WRITE( 0, ((DMAREG( reg0 ) << 0) | \
295 (DMAREG( reg1 ) << 8) | \
296 (DMAREG( reg2 ) << 16) | \
297 (DMAREG( reg3 ) << 24)) ); \
298 DMA_WRITE( 1, val0 ); \
299 DMA_WRITE( 2, val1 ); \
300 DMA_WRITE( 3, val2 ); \
301 DMA_WRITE( 4, val3 ); \
302 write += DMA_BLOCK_SIZE; \
306 /* Buffer aging via primary DMA stream head pointer.
309 #define SET_AGE( age, h, w ) \
315 #define TEST_AGE( age, h, w ) ( (age)->wrap < w || \
316 ( (age)->wrap == w && \
319 #define AGE_BUFFER( buf_priv ) \
321 drm_mga_freelist_t *entry = (buf_priv)->list_entry; \
322 if ( (buf_priv)->dispatched ) { \
323 entry->age.head = (dev_priv->prim.tail + \
324 dev_priv->primary->offset); \
325 entry->age.wrap = dev_priv->sarea_priv->last_wrap; \
327 entry->age.head = 0; \
328 entry->age.wrap = 0; \
333 #define MGA_ENGINE_IDLE_MASK (MGA_SOFTRAPEN | \
336 #define MGA_DMA_IDLE_MASK (MGA_SOFTRAPEN | \
339 #define MGA_DMA_DEBUG 0
343 /* A reduced set of the mga registers.
345 #define MGA_CRTC_INDEX 0x1fd4
346 #define MGA_CRTC_DATA 0x1fd5
349 #define MGA_VINTCLR (1 << 4)
350 #define MGA_VINTEN (1 << 5)
352 #define MGA_ALPHACTRL 0x2c7c
353 #define MGA_AR0 0x1c60
354 #define MGA_AR1 0x1c64
355 #define MGA_AR2 0x1c68
356 #define MGA_AR3 0x1c6c
357 #define MGA_AR4 0x1c70
358 #define MGA_AR5 0x1c74
359 #define MGA_AR6 0x1c78
361 #define MGA_CXBNDRY 0x1c80
362 #define MGA_CXLEFT 0x1ca0
363 #define MGA_CXRIGHT 0x1ca4
365 #define MGA_DMAPAD 0x1c54
366 #define MGA_DSTORG 0x2cb8
367 #define MGA_DWGCTL 0x1c00
368 # define MGA_OPCOD_MASK (15 << 0)
369 # define MGA_OPCOD_TRAP (4 << 0)
370 # define MGA_OPCOD_TEXTURE_TRAP (6 << 0)
371 # define MGA_OPCOD_BITBLT (8 << 0)
372 # define MGA_OPCOD_ILOAD (9 << 0)
373 # define MGA_ATYPE_MASK (7 << 4)
374 # define MGA_ATYPE_RPL (0 << 4)
375 # define MGA_ATYPE_RSTR (1 << 4)
376 # define MGA_ATYPE_ZI (3 << 4)
377 # define MGA_ATYPE_BLK (4 << 4)
378 # define MGA_ATYPE_I (7 << 4)
379 # define MGA_LINEAR (1 << 7)
380 # define MGA_ZMODE_MASK (7 << 8)
381 # define MGA_ZMODE_NOZCMP (0 << 8)
382 # define MGA_ZMODE_ZE (2 << 8)
383 # define MGA_ZMODE_ZNE (3 << 8)
384 # define MGA_ZMODE_ZLT (4 << 8)
385 # define MGA_ZMODE_ZLTE (5 << 8)
386 # define MGA_ZMODE_ZGT (6 << 8)
387 # define MGA_ZMODE_ZGTE (7 << 8)
388 # define MGA_SOLID (1 << 11)
389 # define MGA_ARZERO (1 << 12)
390 # define MGA_SGNZERO (1 << 13)
391 # define MGA_SHIFTZERO (1 << 14)
392 # define MGA_BOP_MASK (15 << 16)
393 # define MGA_BOP_ZERO (0 << 16)
394 # define MGA_BOP_DST (10 << 16)
395 # define MGA_BOP_SRC (12 << 16)
396 # define MGA_BOP_ONE (15 << 16)
397 # define MGA_TRANS_SHIFT 20
398 # define MGA_TRANS_MASK (15 << 20)
399 # define MGA_BLTMOD_MASK (15 << 25)
400 # define MGA_BLTMOD_BMONOLEF (0 << 25)
401 # define MGA_BLTMOD_BMONOWF (4 << 25)
402 # define MGA_BLTMOD_PLAN (1 << 25)
403 # define MGA_BLTMOD_BFCOL (2 << 25)
404 # define MGA_BLTMOD_BU32BGR (3 << 25)
405 # define MGA_BLTMOD_BU32RGB (7 << 25)
406 # define MGA_BLTMOD_BU24BGR (11 << 25)
407 # define MGA_BLTMOD_BU24RGB (15 << 25)
408 # define MGA_PATTERN (1 << 29)
409 # define MGA_TRANSC (1 << 30)
410 # define MGA_CLIPDIS (1 << 31)
411 #define MGA_DWGSYNC 0x2c4c
413 #define MGA_FCOL 0x1c24
414 #define MGA_FIFOSTATUS 0x1e10
415 #define MGA_FOGCOL 0x1cf4
416 #define MGA_FXBNDRY 0x1c84
417 #define MGA_FXLEFT 0x1ca8
418 #define MGA_FXRIGHT 0x1cac
420 #define MGA_ICLEAR 0x1e18
421 # define MGA_SOFTRAPICLR (1 << 0)
422 # define MGA_VLINEICLR (1 << 5)
423 #define MGA_IEN 0x1e1c
424 # define MGA_SOFTRAPIEN (1 << 0)
425 # define MGA_VLINEIEN (1 << 5)
427 #define MGA_LEN 0x1c5c
429 #define MGA_MACCESS 0x1c04
431 #define MGA_PITCH 0x1c8c
432 #define MGA_PLNWT 0x1c1c
433 #define MGA_PRIMADDRESS 0x1e58
434 # define MGA_DMA_GENERAL (0 << 0)
435 # define MGA_DMA_BLIT (1 << 0)
436 # define MGA_DMA_VECTOR (2 << 0)
437 # define MGA_DMA_VERTEX (3 << 0)
438 #define MGA_PRIMEND 0x1e5c
439 # define MGA_PRIMNOSTART (1 << 0)
440 # define MGA_PAGPXFER (1 << 1)
441 #define MGA_PRIMPTR 0x1e50
442 # define MGA_PRIMPTREN0 (1 << 0)
443 # define MGA_PRIMPTREN1 (1 << 1)
445 #define MGA_RST 0x1e40
446 # define MGA_SOFTRESET (1 << 0)
447 # define MGA_SOFTEXTRST (1 << 1)
449 #define MGA_SECADDRESS 0x2c40
450 #define MGA_SECEND 0x2c44
451 #define MGA_SETUPADDRESS 0x2cd0
452 #define MGA_SETUPEND 0x2cd4
453 #define MGA_SGN 0x1c58
454 #define MGA_SOFTRAP 0x2c48
455 #define MGA_SRCORG 0x2cb4
456 # define MGA_SRMMAP_MASK (1 << 0)
457 # define MGA_SRCMAP_FB (0 << 0)
458 # define MGA_SRCMAP_SYSMEM (1 << 0)
459 # define MGA_SRCACC_MASK (1 << 1)
460 # define MGA_SRCACC_PCI (0 << 1)
461 # define MGA_SRCACC_AGP (1 << 1)
462 #define MGA_STATUS 0x1e14
463 # define MGA_SOFTRAPEN (1 << 0)
464 # define MGA_VSYNCPEN (1 << 4)
465 # define MGA_VLINEPEN (1 << 5)
466 # define MGA_DWGENGSTS (1 << 16)
467 # define MGA_ENDPRDMASTS (1 << 17)
468 #define MGA_STENCIL 0x2cc8
469 #define MGA_STENCILCTL 0x2ccc
471 #define MGA_TDUALSTAGE0 0x2cf8
472 #define MGA_TDUALSTAGE1 0x2cfc
473 #define MGA_TEXBORDERCOL 0x2c5c
474 #define MGA_TEXCTL 0x2c30
475 #define MGA_TEXCTL2 0x2c3c
476 # define MGA_DUALTEX (1 << 7)
477 # define MGA_G400_TC2_MAGIC (1 << 15)
478 # define MGA_MAP1_ENABLE (1 << 31)
479 #define MGA_TEXFILTER 0x2c58
480 #define MGA_TEXHEIGHT 0x2c2c
481 #define MGA_TEXORG 0x2c24
482 # define MGA_TEXORGMAP_MASK (1 << 0)
483 # define MGA_TEXORGMAP_FB (0 << 0)
484 # define MGA_TEXORGMAP_SYSMEM (1 << 0)
485 # define MGA_TEXORGACC_MASK (1 << 1)
486 # define MGA_TEXORGACC_PCI (0 << 1)
487 # define MGA_TEXORGACC_AGP (1 << 1)
488 #define MGA_TEXORG1 0x2ca4
489 #define MGA_TEXORG2 0x2ca8
490 #define MGA_TEXORG3 0x2cac
491 #define MGA_TEXORG4 0x2cb0
492 #define MGA_TEXTRANS 0x2c34
493 #define MGA_TEXTRANSHIGH 0x2c38
494 #define MGA_TEXWIDTH 0x2c28
496 #define MGA_WACCEPTSEQ 0x1dd4
497 #define MGA_WCODEADDR 0x1e6c
498 #define MGA_WFLAG 0x1dc4
499 #define MGA_WFLAG1 0x1de0
500 #define MGA_WFLAGNB 0x1e64
501 #define MGA_WFLAGNB1 0x1e08
502 #define MGA_WGETMSB 0x1dc8
503 #define MGA_WIADDR 0x1dc0
504 #define MGA_WIADDR2 0x1dd8
505 # define MGA_WMODE_SUSPEND (0 << 0)
506 # define MGA_WMODE_RESUME (1 << 0)
507 # define MGA_WMODE_JUMP (2 << 0)
508 # define MGA_WMODE_START (3 << 0)
509 # define MGA_WAGP_ENABLE (1 << 2)
510 #define MGA_WMISC 0x1e70
511 # define MGA_WUCODECACHE_ENABLE (1 << 0)
512 # define MGA_WMASTER_ENABLE (1 << 1)
513 # define MGA_WCACHEFLUSH_ENABLE (1 << 3)
514 #define MGA_WVRTXSZ 0x1dcc
516 #define MGA_YBOT 0x1c9c
517 #define MGA_YDST 0x1c90
518 #define MGA_YDSTLEN 0x1c88
519 #define MGA_YDSTORG 0x1c94
520 #define MGA_YTOP 0x1c98
522 #define MGA_ZORG 0x1c0c
524 /* This finishes the current batch of commands
526 #define MGA_EXEC 0x0100
530 #define MGA_WR0 0x2d00
531 #define MGA_WR1 0x2d04
532 #define MGA_WR2 0x2d08
533 #define MGA_WR3 0x2d0c
534 #define MGA_WR4 0x2d10
535 #define MGA_WR5 0x2d14
536 #define MGA_WR6 0x2d18
537 #define MGA_WR7 0x2d1c
538 #define MGA_WR8 0x2d20
539 #define MGA_WR9 0x2d24
540 #define MGA_WR10 0x2d28
541 #define MGA_WR11 0x2d2c
542 #define MGA_WR12 0x2d30
543 #define MGA_WR13 0x2d34
544 #define MGA_WR14 0x2d38
545 #define MGA_WR15 0x2d3c
546 #define MGA_WR16 0x2d40
547 #define MGA_WR17 0x2d44
548 #define MGA_WR18 0x2d48
549 #define MGA_WR19 0x2d4c
550 #define MGA_WR20 0x2d50
551 #define MGA_WR21 0x2d54
552 #define MGA_WR22 0x2d58
553 #define MGA_WR23 0x2d5c
554 #define MGA_WR24 0x2d60
555 #define MGA_WR25 0x2d64
556 #define MGA_WR26 0x2d68
557 #define MGA_WR27 0x2d6c
558 #define MGA_WR28 0x2d70
559 #define MGA_WR29 0x2d74
560 #define MGA_WR30 0x2d78
561 #define MGA_WR31 0x2d7c
562 #define MGA_WR32 0x2d80
563 #define MGA_WR33 0x2d84
564 #define MGA_WR34 0x2d88
565 #define MGA_WR35 0x2d8c
566 #define MGA_WR36 0x2d90
567 #define MGA_WR37 0x2d94
568 #define MGA_WR38 0x2d98
569 #define MGA_WR39 0x2d9c
570 #define MGA_WR40 0x2da0
571 #define MGA_WR41 0x2da4
572 #define MGA_WR42 0x2da8
573 #define MGA_WR43 0x2dac
574 #define MGA_WR44 0x2db0
575 #define MGA_WR45 0x2db4
576 #define MGA_WR46 0x2db8
577 #define MGA_WR47 0x2dbc
578 #define MGA_WR48 0x2dc0
579 #define MGA_WR49 0x2dc4
580 #define MGA_WR50 0x2dc8
581 #define MGA_WR51 0x2dcc
582 #define MGA_WR52 0x2dd0
583 #define MGA_WR53 0x2dd4
584 #define MGA_WR54 0x2dd8
585 #define MGA_WR55 0x2ddc
586 #define MGA_WR56 0x2de0
587 #define MGA_WR57 0x2de4
588 #define MGA_WR58 0x2de8
589 #define MGA_WR59 0x2dec
590 #define MGA_WR60 0x2df0
591 #define MGA_WR61 0x2df4
592 #define MGA_WR62 0x2df8
593 #define MGA_WR63 0x2dfc
594 # define MGA_G400_WR_MAGIC (1 << 6)
595 # define MGA_G400_WR56_MAGIC 0x46480000 /* 12800.0f */
598 #define MGA_ILOAD_ALIGN 64
599 #define MGA_ILOAD_MASK (MGA_ILOAD_ALIGN - 1)
601 #define MGA_DWGCTL_FLUSH (MGA_OPCOD_TEXTURE_TRAP | \
607 (15 << MGA_TRANS_SHIFT))
609 #define MGA_DWGCTL_CLEAR (MGA_OPCOD_TRAP | \
616 (0 << MGA_TRANS_SHIFT) | \
617 MGA_BLTMOD_BMONOLEF | \
621 #define MGA_DWGCTL_COPY (MGA_OPCOD_BITBLT | \
626 (0 << MGA_TRANS_SHIFT) | \
632 static __inline__
int mga_is_idle( drm_mga_private_t
*dev_priv
)
634 u32 status
= MGA_READ( MGA_STATUS
) & MGA_ENGINE_IDLE_MASK
;
635 return ( status
== MGA_ENDPRDMASTS
);