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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 */
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  *    Gareth Hughes <gareth@valinux.com>
29  *
30  * $FreeBSD$
31  */
32
33 #ifndef __MGA_DRV_H__
34 #define __MGA_DRV_H__
35
36 /* General customization:
37  */
38
39 #define DRIVER_AUTHOR           "Gareth Hughes, VA Linux Systems Inc."
40
41 #define DRIVER_NAME             "mga"
42 #define DRIVER_DESC             "Matrox G200/G400"
43 #define DRIVER_DATE             "20021029"
44
45 #define DRIVER_MAJOR            3
46 #define DRIVER_MINOR            1
47 #define DRIVER_PATCHLEVEL       0
48
49 typedef struct drm_mga_primary_buffer {
50         u8 *start;
51         u8 *end;
52         int size;
53
54         u32 tail;
55         int space;
56         volatile long wrapped;
57
58         volatile u32 *status;
59
60         u32 last_flush;
61         u32 last_wrap;
62
63         u32 high_mark;
64 } drm_mga_primary_buffer_t;
65
66 typedef struct drm_mga_freelist {
67         struct drm_mga_freelist *next;
68         struct drm_mga_freelist *prev;
69         drm_mga_age_t age;
70         drm_buf_t *buf;
71 } drm_mga_freelist_t;
72
73 typedef struct {
74         drm_mga_freelist_t *list_entry;
75         int discard;
76         int dispatched;
77 } drm_mga_buf_priv_t;
78
79 typedef struct drm_mga_private {
80         drm_mga_primary_buffer_t prim;
81         drm_mga_sarea_t *sarea_priv;
82
83         drm_mga_freelist_t *head;
84         drm_mga_freelist_t *tail;
85
86         unsigned int warp_pipe;
87         unsigned long warp_pipe_phys[MGA_MAX_WARP_PIPES];
88
89         int chipset;
90         int usec_timeout;
91
92         u32 clear_cmd;
93         u32 maccess;
94
95         unsigned int fb_cpp;
96         unsigned int front_offset;
97         unsigned int front_pitch;
98         unsigned int back_offset;
99         unsigned int back_pitch;
100
101         unsigned int depth_cpp;
102         unsigned int depth_offset;
103         unsigned int depth_pitch;
104
105         unsigned int texture_offset;
106         unsigned int texture_size;
107
108         drm_local_map_t *sarea;
109         drm_local_map_t *mmio;
110         drm_local_map_t *status;
111         drm_local_map_t *warp;
112         drm_local_map_t *primary;
113         drm_local_map_t *buffers;
114         drm_local_map_t *agp_textures;
115 } drm_mga_private_t;
116
117                                 /* mga_dma.c */
118 extern int mga_dma_init(DRM_IOCTL_ARGS);
119 extern int mga_dma_flush(DRM_IOCTL_ARGS);
120 extern int mga_dma_reset(DRM_IOCTL_ARGS);
121 extern int mga_dma_buffers(DRM_IOCTL_ARGS);
122 extern void mga_driver_pretakedown(drm_device_t * dev);
123 extern int mga_driver_dma_quiescent(drm_device_t * dev);
124
125 extern int mga_do_wait_for_idle(drm_mga_private_t * dev_priv);
126
127 extern void mga_do_dma_flush(drm_mga_private_t * dev_priv);
128 extern void mga_do_dma_wrap_start(drm_mga_private_t * dev_priv);
129 extern void mga_do_dma_wrap_end(drm_mga_private_t * dev_priv);
130
131 extern int mga_freelist_put(drm_device_t * dev, drm_buf_t * buf);
132
133                                 /* mga_warp.c */
134 extern int mga_warp_install_microcode(drm_mga_private_t * dev_priv);
135 extern int mga_warp_init(drm_mga_private_t * dev_priv);
136
137 extern int mga_driver_vblank_wait(drm_device_t * dev, unsigned int *sequence);
138 extern irqreturn_t mga_driver_irq_handler(DRM_IRQ_ARGS);
139 extern void mga_driver_irq_preinstall(drm_device_t * dev);
140 extern void mga_driver_irq_postinstall(drm_device_t * dev);
141 extern void mga_driver_irq_uninstall(drm_device_t * dev);
142
143 #define mga_flush_write_combine()       DRM_WRITEMEMORYBARRIER()
144
145 #if defined(__linux__) && defined(__alpha__)
146 #define MGA_BASE( reg )         ((unsigned long)(dev_priv->mmio->handle))
147 #define MGA_ADDR( reg )         (MGA_BASE(reg) + reg)
148
149 #define MGA_DEREF( reg )        *(volatile u32 *)MGA_ADDR( reg )
150 #define MGA_DEREF8( reg )       *(volatile u8 *)MGA_ADDR( reg )
151
152 #define MGA_READ( reg )         (_MGA_READ((u32 *)MGA_ADDR(reg)))
153 #define MGA_READ8( reg )        (_MGA_READ((u8 *)MGA_ADDR(reg)))
154 #define MGA_WRITE( reg, val )   do { DRM_WRITEMEMORYBARRIER(); MGA_DEREF( reg ) = val; } while (0)
155 #define MGA_WRITE8( reg, val )  do { DRM_WRITEMEMORYBARRIER(); MGA_DEREF8( reg ) = val; } while (0)
156
157 static inline u32 _MGA_READ(u32 * addr)
158 {
159         DRM_MEMORYBARRIER();
160         return *(volatile u32 *)addr;
161 }
162 #else
163 #define MGA_READ8( reg )        DRM_READ8(dev_priv->mmio, (reg))
164 #define MGA_READ( reg )         DRM_READ32(dev_priv->mmio, (reg))
165 #define MGA_WRITE8( reg, val )  DRM_WRITE8(dev_priv->mmio, (reg), (val))
166 #define MGA_WRITE( reg, val )   DRM_WRITE32(dev_priv->mmio, (reg), (val))
167 #endif
168
169 #define DWGREG0         0x1c00
170 #define DWGREG0_END     0x1dff
171 #define DWGREG1         0x2c00
172 #define DWGREG1_END     0x2dff
173
174 #define ISREG0(r)       (r >= DWGREG0 && r <= DWGREG0_END)
175 #define DMAREG0(r)      (u8)((r - DWGREG0) >> 2)
176 #define DMAREG1(r)      (u8)(((r - DWGREG1) >> 2) | 0x80)
177 #define DMAREG(r)       (ISREG0(r) ? DMAREG0(r) : DMAREG1(r))
178
179 /* ================================================================
180  * Helper macross...
181  */
182
183 #define MGA_EMIT_STATE( dev_priv, dirty )                               \
184 do {                                                                    \
185         if ( (dirty) & ~MGA_UPLOAD_CLIPRECTS ) {                        \
186                 if ( dev_priv->chipset == MGA_CARD_TYPE_G400 ) {        \
187                         mga_g400_emit_state( dev_priv );                \
188                 } else {                                                \
189                         mga_g200_emit_state( dev_priv );                \
190                 }                                                       \
191         }                                                               \
192 } while (0)
193
194 #define WRAP_TEST_WITH_RETURN( dev_priv )                               \
195 do {                                                                    \
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);                  \
204                 }                                                       \
205         }                                                               \
206 } while (0)
207
208 #define WRAP_WAIT_WITH_RETURN( dev_priv )                               \
209 do {                                                                    \
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);                  \
215                 }                                                       \
216                 mga_do_dma_wrap_end( dev_priv );                        \
217         }                                                               \
218 } while (0)
219
220 /* ================================================================
221  * Primary DMA command stream
222  */
223
224 #define MGA_VERBOSE     0
225
226 #define DMA_LOCALS      unsigned int write; volatile u8 *prim;
227
228 #define DMA_BLOCK_SIZE  (5 * sizeof(u32))
229
230 #define BEGIN_DMA( n )                                                  \
231 do {                                                                    \
232         if ( MGA_VERBOSE ) {                                            \
233                 DRM_INFO( "BEGIN_DMA( %d ) in %s\n",                    \
234                           (n), __FUNCTION__ );                          \
235                 DRM_INFO( "   space=0x%x req=0x%Zx\n",                  \
236                           dev_priv->prim.space, (n) * DMA_BLOCK_SIZE ); \
237         }                                                               \
238         prim = dev_priv->prim.start;                                    \
239         write = dev_priv->prim.tail;                                    \
240 } while (0)
241
242 #define BEGIN_DMA_WRAP()                                                \
243 do {                                                                    \
244         if ( MGA_VERBOSE ) {                                            \
245                 DRM_INFO( "BEGIN_DMA() in %s\n", __FUNCTION__ );                \
246                 DRM_INFO( "   space=0x%x\n", dev_priv->prim.space );    \
247         }                                                               \
248         prim = dev_priv->prim.start;                                    \
249         write = dev_priv->prim.tail;                                    \
250 } while (0)
251
252 #define ADVANCE_DMA()                                                   \
253 do {                                                                    \
254         dev_priv->prim.tail = write;                                    \
255         if ( MGA_VERBOSE ) {                                            \
256                 DRM_INFO( "ADVANCE_DMA() tail=0x%05x sp=0x%x\n",        \
257                           write, dev_priv->prim.space );                \
258         }                                                               \
259 } while (0)
260
261 #define FLUSH_DMA()                                                     \
262 do {                                                                    \
263         if ( 0 ) {                                                      \
264                 DRM_INFO( "%s:\n", __FUNCTION__ );                              \
265                 DRM_INFO( "   tail=0x%06x head=0x%06lx\n",              \
266                           dev_priv->prim.tail,                          \
267                           MGA_READ( MGA_PRIMADDRESS ) -                 \
268                           dev_priv->primary->offset );                  \
269         }                                                               \
270         if ( !test_bit( 0, &dev_priv->prim.wrapped ) ) {                \
271                 if ( dev_priv->prim.space <                             \
272                      dev_priv->prim.high_mark ) {                       \
273                         mga_do_dma_wrap_start( dev_priv );              \
274                 } else {                                                \
275                         mga_do_dma_flush( dev_priv );                   \
276                 }                                                       \
277         }                                                               \
278 } while (0)
279
280 /* Never use this, always use DMA_BLOCK(...) for primary DMA output.
281  */
282 #define DMA_WRITE( offset, val )                                        \
283 do {                                                                    \
284         if ( MGA_VERBOSE ) {                                            \
285                 DRM_INFO( "   DMA_WRITE( 0x%08x ) at 0x%04Zx\n",        \
286                           (u32)(val), write + (offset) * sizeof(u32) ); \
287         }                                                               \
288         *(volatile u32 *)(prim + write + (offset) * sizeof(u32)) = val; \
289 } while (0)
290
291 #define DMA_BLOCK( reg0, val0, reg1, val1, reg2, val2, reg3, val3 )     \
292 do {                                                                    \
293         DMA_WRITE( 0, ((DMAREG( reg0 ) << 0) |                          \
294                        (DMAREG( reg1 ) << 8) |                          \
295                        (DMAREG( reg2 ) << 16) |                         \
296                        (DMAREG( reg3 ) << 24)) );                       \
297         DMA_WRITE( 1, val0 );                                           \
298         DMA_WRITE( 2, val1 );                                           \
299         DMA_WRITE( 3, val2 );                                           \
300         DMA_WRITE( 4, val3 );                                           \
301         write += DMA_BLOCK_SIZE;                                        \
302 } while (0)
303
304 /* Buffer aging via primary DMA stream head pointer.
305  */
306
307 #define SET_AGE( age, h, w )                                            \
308 do {                                                                    \
309         (age)->head = h;                                                \
310         (age)->wrap = w;                                                \
311 } while (0)
312
313 #define TEST_AGE( age, h, w )           ( (age)->wrap < w ||            \
314                                           ( (age)->wrap == w &&         \
315                                             (age)->head < h ) )
316
317 #define AGE_BUFFER( buf_priv )                                          \
318 do {                                                                    \
319         drm_mga_freelist_t *entry = (buf_priv)->list_entry;             \
320         if ( (buf_priv)->dispatched ) {                                 \
321                 entry->age.head = (dev_priv->prim.tail +                \
322                                    dev_priv->primary->offset);          \
323                 entry->age.wrap = dev_priv->sarea_priv->last_wrap;      \
324         } else {                                                        \
325                 entry->age.head = 0;                                    \
326                 entry->age.wrap = 0;                                    \
327         }                                                               \
328 } while (0)
329
330 #define MGA_ENGINE_IDLE_MASK            (MGA_SOFTRAPEN |                \
331                                          MGA_DWGENGSTS |                \
332                                          MGA_ENDPRDMASTS)
333 #define MGA_DMA_IDLE_MASK               (MGA_SOFTRAPEN |                \
334                                          MGA_ENDPRDMASTS)
335
336 #define MGA_DMA_DEBUG                   0
337
338 /* A reduced set of the mga registers.
339  */
340 #define MGA_CRTC_INDEX                  0x1fd4
341 #define MGA_CRTC_DATA                   0x1fd5
342
343 /* CRTC11 */
344 #define MGA_VINTCLR                     (1 << 4)
345 #define MGA_VINTEN                      (1 << 5)
346
347 #define MGA_ALPHACTRL                   0x2c7c
348 #define MGA_AR0                         0x1c60
349 #define MGA_AR1                         0x1c64
350 #define MGA_AR2                         0x1c68
351 #define MGA_AR3                         0x1c6c
352 #define MGA_AR4                         0x1c70
353 #define MGA_AR5                         0x1c74
354 #define MGA_AR6                         0x1c78
355
356 #define MGA_CXBNDRY                     0x1c80
357 #define MGA_CXLEFT                      0x1ca0
358 #define MGA_CXRIGHT                     0x1ca4
359
360 #define MGA_DMAPAD                      0x1c54
361 #define MGA_DSTORG                      0x2cb8
362 #define MGA_DWGCTL                      0x1c00
363 #       define MGA_OPCOD_MASK                   (15 << 0)
364 #       define MGA_OPCOD_TRAP                   (4 << 0)
365 #       define MGA_OPCOD_TEXTURE_TRAP           (6 << 0)
366 #       define MGA_OPCOD_BITBLT                 (8 << 0)
367 #       define MGA_OPCOD_ILOAD                  (9 << 0)
368 #       define MGA_ATYPE_MASK                   (7 << 4)
369 #       define MGA_ATYPE_RPL                    (0 << 4)
370 #       define MGA_ATYPE_RSTR                   (1 << 4)
371 #       define MGA_ATYPE_ZI                     (3 << 4)
372 #       define MGA_ATYPE_BLK                    (4 << 4)
373 #       define MGA_ATYPE_I                      (7 << 4)
374 #       define MGA_LINEAR                       (1 << 7)
375 #       define MGA_ZMODE_MASK                   (7 << 8)
376 #       define MGA_ZMODE_NOZCMP                 (0 << 8)
377 #       define MGA_ZMODE_ZE                     (2 << 8)
378 #       define MGA_ZMODE_ZNE                    (3 << 8)
379 #       define MGA_ZMODE_ZLT                    (4 << 8)
380 #       define MGA_ZMODE_ZLTE                   (5 << 8)
381 #       define MGA_ZMODE_ZGT                    (6 << 8)
382 #       define MGA_ZMODE_ZGTE                   (7 << 8)
383 #       define MGA_SOLID                        (1 << 11)
384 #       define MGA_ARZERO                       (1 << 12)
385 #       define MGA_SGNZERO                      (1 << 13)
386 #       define MGA_SHIFTZERO                    (1 << 14)
387 #       define MGA_BOP_MASK                     (15 << 16)
388 #       define MGA_BOP_ZERO                     (0 << 16)
389 #       define MGA_BOP_DST                      (10 << 16)
390 #       define MGA_BOP_SRC                      (12 << 16)
391 #       define MGA_BOP_ONE                      (15 << 16)
392 #       define MGA_TRANS_SHIFT                  20
393 #       define MGA_TRANS_MASK                   (15 << 20)
394 #       define MGA_BLTMOD_MASK                  (15 << 25)
395 #       define MGA_BLTMOD_BMONOLEF              (0 << 25)
396 #       define MGA_BLTMOD_BMONOWF               (4 << 25)
397 #       define MGA_BLTMOD_PLAN                  (1 << 25)
398 #       define MGA_BLTMOD_BFCOL                 (2 << 25)
399 #       define MGA_BLTMOD_BU32BGR               (3 << 25)
400 #       define MGA_BLTMOD_BU32RGB               (7 << 25)
401 #       define MGA_BLTMOD_BU24BGR               (11 << 25)
402 #       define MGA_BLTMOD_BU24RGB               (15 << 25)
403 #       define MGA_PATTERN                      (1 << 29)
404 #       define MGA_TRANSC                       (1 << 30)
405 #       define MGA_CLIPDIS                      (1 << 31)
406 #define MGA_DWGSYNC                     0x2c4c
407
408 #define MGA_FCOL                        0x1c24
409 #define MGA_FIFOSTATUS                  0x1e10
410 #define MGA_FOGCOL                      0x1cf4
411 #define MGA_FXBNDRY                     0x1c84
412 #define MGA_FXLEFT                      0x1ca8
413 #define MGA_FXRIGHT                     0x1cac
414
415 #define MGA_ICLEAR                      0x1e18
416 #       define MGA_SOFTRAPICLR                  (1 << 0)
417 #       define MGA_VLINEICLR                    (1 << 5)
418 #define MGA_IEN                         0x1e1c
419 #       define MGA_SOFTRAPIEN                   (1 << 0)
420 #       define MGA_VLINEIEN                     (1 << 5)
421
422 #define MGA_LEN                         0x1c5c
423
424 #define MGA_MACCESS                     0x1c04
425
426 #define MGA_PITCH                       0x1c8c
427 #define MGA_PLNWT                       0x1c1c
428 #define MGA_PRIMADDRESS                 0x1e58
429 #       define MGA_DMA_GENERAL                  (0 << 0)
430 #       define MGA_DMA_BLIT                     (1 << 0)
431 #       define MGA_DMA_VECTOR                   (2 << 0)
432 #       define MGA_DMA_VERTEX                   (3 << 0)
433 #define MGA_PRIMEND                     0x1e5c
434 #       define MGA_PRIMNOSTART                  (1 << 0)
435 #       define MGA_PAGPXFER                     (1 << 1)
436 #define MGA_PRIMPTR                     0x1e50
437 #       define MGA_PRIMPTREN0                   (1 << 0)
438 #       define MGA_PRIMPTREN1                   (1 << 1)
439
440 #define MGA_RST                         0x1e40
441 #       define MGA_SOFTRESET                    (1 << 0)
442 #       define MGA_SOFTEXTRST                   (1 << 1)
443
444 #define MGA_SECADDRESS                  0x2c40
445 #define MGA_SECEND                      0x2c44
446 #define MGA_SETUPADDRESS                0x2cd0
447 #define MGA_SETUPEND                    0x2cd4
448 #define MGA_SGN                         0x1c58
449 #define MGA_SOFTRAP                     0x2c48
450 #define MGA_SRCORG                      0x2cb4
451 #       define MGA_SRMMAP_MASK                  (1 << 0)
452 #       define MGA_SRCMAP_FB                    (0 << 0)
453 #       define MGA_SRCMAP_SYSMEM                (1 << 0)
454 #       define MGA_SRCACC_MASK                  (1 << 1)
455 #       define MGA_SRCACC_PCI                   (0 << 1)
456 #       define MGA_SRCACC_AGP                   (1 << 1)
457 #define MGA_STATUS                      0x1e14
458 #       define MGA_SOFTRAPEN                    (1 << 0)
459 #       define MGA_VSYNCPEN                     (1 << 4)
460 #       define MGA_VLINEPEN                     (1 << 5)
461 #       define MGA_DWGENGSTS                    (1 << 16)
462 #       define MGA_ENDPRDMASTS                  (1 << 17)
463 #define MGA_STENCIL                     0x2cc8
464 #define MGA_STENCILCTL                  0x2ccc
465
466 #define MGA_TDUALSTAGE0                 0x2cf8
467 #define MGA_TDUALSTAGE1                 0x2cfc
468 #define MGA_TEXBORDERCOL                0x2c5c
469 #define MGA_TEXCTL                      0x2c30
470 #define MGA_TEXCTL2                     0x2c3c
471 #       define MGA_DUALTEX                      (1 << 7)
472 #       define MGA_G400_TC2_MAGIC               (1 << 15)
473 #       define MGA_MAP1_ENABLE                  (1 << 31)
474 #define MGA_TEXFILTER                   0x2c58
475 #define MGA_TEXHEIGHT                   0x2c2c
476 #define MGA_TEXORG                      0x2c24
477 #       define MGA_TEXORGMAP_MASK               (1 << 0)
478 #       define MGA_TEXORGMAP_FB                 (0 << 0)
479 #       define MGA_TEXORGMAP_SYSMEM             (1 << 0)
480 #       define MGA_TEXORGACC_MASK               (1 << 1)
481 #       define MGA_TEXORGACC_PCI                (0 << 1)
482 #       define MGA_TEXORGACC_AGP                (1 << 1)
483 #define MGA_TEXORG1                     0x2ca4
484 #define MGA_TEXORG2                     0x2ca8
485 #define MGA_TEXORG3                     0x2cac
486 #define MGA_TEXORG4                     0x2cb0
487 #define MGA_TEXTRANS                    0x2c34
488 #define MGA_TEXTRANSHIGH                0x2c38
489 #define MGA_TEXWIDTH                    0x2c28
490
491 #define MGA_WACCEPTSEQ                  0x1dd4
492 #define MGA_WCODEADDR                   0x1e6c
493 #define MGA_WFLAG                       0x1dc4
494 #define MGA_WFLAG1                      0x1de0
495 #define MGA_WFLAGNB                     0x1e64
496 #define MGA_WFLAGNB1                    0x1e08
497 #define MGA_WGETMSB                     0x1dc8
498 #define MGA_WIADDR                      0x1dc0
499 #define MGA_WIADDR2                     0x1dd8
500 #       define MGA_WMODE_SUSPEND                (0 << 0)
501 #       define MGA_WMODE_RESUME                 (1 << 0)
502 #       define MGA_WMODE_JUMP                   (2 << 0)
503 #       define MGA_WMODE_START                  (3 << 0)
504 #       define MGA_WAGP_ENABLE                  (1 << 2)
505 #define MGA_WMISC                       0x1e70
506 #       define MGA_WUCODECACHE_ENABLE           (1 << 0)
507 #       define MGA_WMASTER_ENABLE               (1 << 1)
508 #       define MGA_WCACHEFLUSH_ENABLE           (1 << 3)
509 #define MGA_WVRTXSZ                     0x1dcc
510
511 #define MGA_YBOT                        0x1c9c
512 #define MGA_YDST                        0x1c90
513 #define MGA_YDSTLEN                     0x1c88
514 #define MGA_YDSTORG                     0x1c94
515 #define MGA_YTOP                        0x1c98
516
517 #define MGA_ZORG                        0x1c0c
518
519 /* This finishes the current batch of commands
520  */
521 #define MGA_EXEC                        0x0100
522
523 /* Warp registers
524  */
525 #define MGA_WR0                         0x2d00
526 #define MGA_WR1                         0x2d04
527 #define MGA_WR2                         0x2d08
528 #define MGA_WR3                         0x2d0c
529 #define MGA_WR4                         0x2d10
530 #define MGA_WR5                         0x2d14
531 #define MGA_WR6                         0x2d18
532 #define MGA_WR7                         0x2d1c
533 #define MGA_WR8                         0x2d20
534 #define MGA_WR9                         0x2d24
535 #define MGA_WR10                        0x2d28
536 #define MGA_WR11                        0x2d2c
537 #define MGA_WR12                        0x2d30
538 #define MGA_WR13                        0x2d34
539 #define MGA_WR14                        0x2d38
540 #define MGA_WR15                        0x2d3c
541 #define MGA_WR16                        0x2d40
542 #define MGA_WR17                        0x2d44
543 #define MGA_WR18                        0x2d48
544 #define MGA_WR19                        0x2d4c
545 #define MGA_WR20                        0x2d50
546 #define MGA_WR21                        0x2d54
547 #define MGA_WR22                        0x2d58
548 #define MGA_WR23                        0x2d5c
549 #define MGA_WR24                        0x2d60
550 #define MGA_WR25                        0x2d64
551 #define MGA_WR26                        0x2d68
552 #define MGA_WR27                        0x2d6c
553 #define MGA_WR28                        0x2d70
554 #define MGA_WR29                        0x2d74
555 #define MGA_WR30                        0x2d78
556 #define MGA_WR31                        0x2d7c
557 #define MGA_WR32                        0x2d80
558 #define MGA_WR33                        0x2d84
559 #define MGA_WR34                        0x2d88
560 #define MGA_WR35                        0x2d8c
561 #define MGA_WR36                        0x2d90
562 #define MGA_WR37                        0x2d94
563 #define MGA_WR38                        0x2d98
564 #define MGA_WR39                        0x2d9c
565 #define MGA_WR40                        0x2da0
566 #define MGA_WR41                        0x2da4
567 #define MGA_WR42                        0x2da8
568 #define MGA_WR43                        0x2dac
569 #define MGA_WR44                        0x2db0
570 #define MGA_WR45                        0x2db4
571 #define MGA_WR46                        0x2db8
572 #define MGA_WR47                        0x2dbc
573 #define MGA_WR48                        0x2dc0
574 #define MGA_WR49                        0x2dc4
575 #define MGA_WR50                        0x2dc8
576 #define MGA_WR51                        0x2dcc
577 #define MGA_WR52                        0x2dd0
578 #define MGA_WR53                        0x2dd4
579 #define MGA_WR54                        0x2dd8
580 #define MGA_WR55                        0x2ddc
581 #define MGA_WR56                        0x2de0
582 #define MGA_WR57                        0x2de4
583 #define MGA_WR58                        0x2de8
584 #define MGA_WR59                        0x2dec
585 #define MGA_WR60                        0x2df0
586 #define MGA_WR61                        0x2df4
587 #define MGA_WR62                        0x2df8
588 #define MGA_WR63                        0x2dfc
589 #       define MGA_G400_WR_MAGIC                (1 << 6)
590 #       define MGA_G400_WR56_MAGIC              0x46480000      /* 12800.0f */
591
592 #define MGA_ILOAD_ALIGN         64
593 #define MGA_ILOAD_MASK          (MGA_ILOAD_ALIGN - 1)
594
595 #define MGA_DWGCTL_FLUSH        (MGA_OPCOD_TEXTURE_TRAP |               \
596                                  MGA_ATYPE_I |                          \
597                                  MGA_ZMODE_NOZCMP |                     \
598                                  MGA_ARZERO |                           \
599                                  MGA_SGNZERO |                          \
600                                  MGA_BOP_SRC |                          \
601                                  (15 << MGA_TRANS_SHIFT))
602
603 #define MGA_DWGCTL_CLEAR        (MGA_OPCOD_TRAP |                       \
604                                  MGA_ZMODE_NOZCMP |                     \
605                                  MGA_SOLID |                            \
606                                  MGA_ARZERO |                           \
607                                  MGA_SGNZERO |                          \
608                                  MGA_SHIFTZERO |                        \
609                                  MGA_BOP_SRC |                          \
610                                  (0 << MGA_TRANS_SHIFT) |               \
611                                  MGA_BLTMOD_BMONOLEF |                  \
612                                  MGA_TRANSC |                           \
613                                  MGA_CLIPDIS)
614
615 #define MGA_DWGCTL_COPY         (MGA_OPCOD_BITBLT |                     \
616                                  MGA_ATYPE_RPL |                        \
617                                  MGA_SGNZERO |                          \
618                                  MGA_SHIFTZERO |                        \
619                                  MGA_BOP_SRC |                          \
620                                  (0 << MGA_TRANS_SHIFT) |               \
621                                  MGA_BLTMOD_BFCOL |                     \
622                                  MGA_CLIPDIS)
623
624 /* Simple idle test.
625  */
626 static __inline__ int mga_is_idle(drm_mga_private_t * dev_priv)
627 {
628         u32 status = MGA_READ(MGA_STATUS) & MGA_ENGINE_IDLE_MASK;
629         return (status == MGA_ENDPRDMASTS);
630 }
631
632 #endif