Linux-libre 5.3.12-gnu
[librecmc/linux-libre.git] / drivers / gpu / drm / mga / mga_drv.h
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
31 #ifndef __MGA_DRV_H__
32 #define __MGA_DRV_H__
33
34 #include <drm/drm_legacy.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             "20051102"
44
45 #define DRIVER_MAJOR            3
46 #define DRIVER_MINOR            2
47 #define DRIVER_PATCHLEVEL       1
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         struct drm_buf *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         /**
93          * If set, the new DMA initialization sequence was used.  This is
94          * primarilly used to select how the driver should uninitialized its
95          * internal DMA structures.
96          */
97         int used_new_dma_init;
98
99         /**
100          * If AGP memory is used for DMA buffers, this will be the value
101          * \c MGA_PAGPXFER.  Otherwise, it will be zero (for a PCI transfer).
102          */
103         u32 dma_access;
104
105         /**
106          * If AGP memory is used for DMA buffers, this will be the value
107          * \c MGA_WAGP_ENABLE.  Otherwise, it will be zero (for a PCI
108          * transfer).
109          */
110         u32 wagp_enable;
111
112         /**
113          * \name MMIO region parameters.
114          *
115          * \sa drm_mga_private_t::mmio
116          */
117         /*@{ */
118         resource_size_t mmio_base;         /**< Bus address of base of MMIO. */
119         resource_size_t mmio_size;         /**< Size of the MMIO region. */
120         /*@} */
121
122         u32 clear_cmd;
123         u32 maccess;
124
125         atomic_t vbl_received;          /**< Number of vblanks received. */
126         wait_queue_head_t fence_queue;
127         atomic_t last_fence_retired;
128         u32 next_fence_to_post;
129
130         unsigned int fb_cpp;
131         unsigned int front_offset;
132         unsigned int front_pitch;
133         unsigned int back_offset;
134         unsigned int back_pitch;
135
136         unsigned int depth_cpp;
137         unsigned int depth_offset;
138         unsigned int depth_pitch;
139
140         unsigned int texture_offset;
141         unsigned int texture_size;
142
143         drm_local_map_t *sarea;
144         drm_local_map_t *mmio;
145         drm_local_map_t *status;
146         drm_local_map_t *warp;
147         drm_local_map_t *primary;
148         drm_local_map_t *agp_textures;
149
150         unsigned long agp_handle;
151         unsigned int agp_size;
152 } drm_mga_private_t;
153
154 extern const struct drm_ioctl_desc mga_ioctls[];
155 extern int mga_max_ioctl;
156
157                                 /* mga_dma.c */
158 extern int mga_dma_bootstrap(struct drm_device *dev, void *data,
159                              struct drm_file *file_priv);
160 extern int mga_dma_init(struct drm_device *dev, void *data,
161                         struct drm_file *file_priv);
162 extern int mga_getparam(struct drm_device *dev, void *data,
163                         struct drm_file *file_priv);
164 extern int mga_dma_flush(struct drm_device *dev, void *data,
165                          struct drm_file *file_priv);
166 extern int mga_dma_reset(struct drm_device *dev, void *data,
167                          struct drm_file *file_priv);
168 extern int mga_dma_buffers(struct drm_device *dev, void *data,
169                            struct drm_file *file_priv);
170 extern int mga_driver_load(struct drm_device *dev, unsigned long flags);
171 extern void mga_driver_unload(struct drm_device *dev);
172 extern void mga_driver_lastclose(struct drm_device *dev);
173 extern int mga_driver_dma_quiescent(struct drm_device *dev);
174
175 extern int mga_do_wait_for_idle(drm_mga_private_t *dev_priv);
176
177 extern void mga_do_dma_flush(drm_mga_private_t *dev_priv);
178 extern void mga_do_dma_wrap_start(drm_mga_private_t *dev_priv);
179 extern void mga_do_dma_wrap_end(drm_mga_private_t *dev_priv);
180
181 extern int mga_freelist_put(struct drm_device *dev, struct drm_buf *buf);
182
183                                 /* mga_warp.c */
184 extern int mga_warp_install_microcode(drm_mga_private_t *dev_priv);
185 extern int mga_warp_init(drm_mga_private_t *dev_priv);
186
187                                 /* mga_irq.c */
188 extern int mga_enable_vblank(struct drm_device *dev, unsigned int pipe);
189 extern void mga_disable_vblank(struct drm_device *dev, unsigned int pipe);
190 extern u32 mga_get_vblank_counter(struct drm_device *dev, unsigned int pipe);
191 extern int mga_driver_fence_wait(struct drm_device *dev, unsigned int *sequence);
192 extern int mga_driver_vblank_wait(struct drm_device *dev, unsigned int *sequence);
193 extern irqreturn_t mga_driver_irq_handler(int irq, void *arg);
194 extern void mga_driver_irq_preinstall(struct drm_device *dev);
195 extern int mga_driver_irq_postinstall(struct drm_device *dev);
196 extern void mga_driver_irq_uninstall(struct drm_device *dev);
197 extern long mga_compat_ioctl(struct file *filp, unsigned int cmd,
198                              unsigned long arg);
199
200 #define mga_flush_write_combine()       wmb()
201
202 #define MGA_READ8(reg)          DRM_READ8(dev_priv->mmio, (reg))
203 #define MGA_READ(reg)           DRM_READ32(dev_priv->mmio, (reg))
204 #define MGA_WRITE8(reg, val)    DRM_WRITE8(dev_priv->mmio, (reg), (val))
205 #define MGA_WRITE(reg, val)     DRM_WRITE32(dev_priv->mmio, (reg), (val))
206
207 #define DWGREG0         0x1c00
208 #define DWGREG0_END     0x1dff
209 #define DWGREG1         0x2c00
210 #define DWGREG1_END     0x2dff
211
212 #define ISREG0(r)       (r >= DWGREG0 && r <= DWGREG0_END)
213 #define DMAREG0(r)      (u8)((r - DWGREG0) >> 2)
214 #define DMAREG1(r)      (u8)(((r - DWGREG1) >> 2) | 0x80)
215 #define DMAREG(r)       (ISREG0(r) ? DMAREG0(r) : DMAREG1(r))
216
217 /* ================================================================
218  * Helper macross...
219  */
220
221 #define MGA_EMIT_STATE(dev_priv, dirty)                                 \
222 do {                                                                    \
223         if ((dirty) & ~MGA_UPLOAD_CLIPRECTS) {                          \
224                 if (dev_priv->chipset >= MGA_CARD_TYPE_G400)            \
225                         mga_g400_emit_state(dev_priv);                  \
226                 else                                                    \
227                         mga_g200_emit_state(dev_priv);                  \
228         }                                                               \
229 } while (0)
230
231 #define WRAP_TEST_WITH_RETURN(dev_priv)                                 \
232 do {                                                                    \
233         if (test_bit(0, &dev_priv->prim.wrapped)) {                     \
234                 if (mga_is_idle(dev_priv)) {                            \
235                         mga_do_dma_wrap_end(dev_priv);                  \
236                 } else if (dev_priv->prim.space <                       \
237                            dev_priv->prim.high_mark) {                  \
238                         if (MGA_DMA_DEBUG)                              \
239                                 DRM_INFO("wrap...\n");                  \
240                         return -EBUSY;                                  \
241                 }                                                       \
242         }                                                               \
243 } while (0)
244
245 #define WRAP_WAIT_WITH_RETURN(dev_priv)                                 \
246 do {                                                                    \
247         if (test_bit(0, &dev_priv->prim.wrapped)) {                     \
248                 if (mga_do_wait_for_idle(dev_priv) < 0) {               \
249                         if (MGA_DMA_DEBUG)                              \
250                                 DRM_INFO("wrap...\n");                  \
251                         return -EBUSY;                                  \
252                 }                                                       \
253                 mga_do_dma_wrap_end(dev_priv);                          \
254         }                                                               \
255 } while (0)
256
257 /* ================================================================
258  * Primary DMA command stream
259  */
260
261 #define MGA_VERBOSE     0
262
263 #define DMA_LOCALS      unsigned int write; volatile u8 *prim;
264
265 #define DMA_BLOCK_SIZE  (5 * sizeof(u32))
266
267 #define BEGIN_DMA(n)                                                    \
268 do {                                                                    \
269         if (MGA_VERBOSE) {                                              \
270                 DRM_INFO("BEGIN_DMA(%d)\n", (n));                       \
271                 DRM_INFO("   space=0x%x req=0x%zx\n",                   \
272                          dev_priv->prim.space, (n) * DMA_BLOCK_SIZE);   \
273         }                                                               \
274         prim = dev_priv->prim.start;                                    \
275         write = dev_priv->prim.tail;                                    \
276 } while (0)
277
278 #define BEGIN_DMA_WRAP()                                                \
279 do {                                                                    \
280         if (MGA_VERBOSE) {                                              \
281                 DRM_INFO("BEGIN_DMA()\n");                              \
282                 DRM_INFO("   space=0x%x\n", dev_priv->prim.space);      \
283         }                                                               \
284         prim = dev_priv->prim.start;                                    \
285         write = dev_priv->prim.tail;                                    \
286 } while (0)
287
288 #define ADVANCE_DMA()                                                   \
289 do {                                                                    \
290         dev_priv->prim.tail = write;                                    \
291         if (MGA_VERBOSE)                                                \
292                 DRM_INFO("ADVANCE_DMA() tail=0x%05x sp=0x%x\n",         \
293                          write, dev_priv->prim.space);                  \
294 } while (0)
295
296 #define FLUSH_DMA()                                                     \
297 do {                                                                    \
298         if (0) {                                                        \
299                 DRM_INFO("\n");                                         \
300                 DRM_INFO("   tail=0x%06x head=0x%06lx\n",               \
301                          dev_priv->prim.tail,                           \
302                          (unsigned long)(MGA_READ(MGA_PRIMADDRESS) -    \
303                                          dev_priv->primary->offset));   \
304         }                                                               \
305         if (!test_bit(0, &dev_priv->prim.wrapped)) {                    \
306                 if (dev_priv->prim.space < dev_priv->prim.high_mark)    \
307                         mga_do_dma_wrap_start(dev_priv);                \
308                 else                                                    \
309                         mga_do_dma_flush(dev_priv);                     \
310         }                                                               \
311 } while (0)
312
313 /* Never use this, always use DMA_BLOCK(...) for primary DMA output.
314  */
315 #define DMA_WRITE(offset, val)                                          \
316 do {                                                                    \
317         if (MGA_VERBOSE)                                                \
318                 DRM_INFO("   DMA_WRITE( 0x%08x ) at 0x%04zx\n",         \
319                          (u32)(val), write + (offset) * sizeof(u32));   \
320         *(volatile u32 *)(prim + write + (offset) * sizeof(u32)) = val; \
321 } while (0)
322
323 #define DMA_BLOCK(reg0, val0, reg1, val1, reg2, val2, reg3, val3)       \
324 do {                                                                    \
325         DMA_WRITE(0, ((DMAREG(reg0) << 0) |                             \
326                       (DMAREG(reg1) << 8) |                             \
327                       (DMAREG(reg2) << 16) |                            \
328                       (DMAREG(reg3) << 24)));                           \
329         DMA_WRITE(1, val0);                                             \
330         DMA_WRITE(2, val1);                                             \
331         DMA_WRITE(3, val2);                                             \
332         DMA_WRITE(4, val3);                                             \
333         write += DMA_BLOCK_SIZE;                                        \
334 } while (0)
335
336 /* Buffer aging via primary DMA stream head pointer.
337  */
338
339 #define SET_AGE(age, h, w)                                              \
340 do {                                                                    \
341         (age)->head = h;                                                \
342         (age)->wrap = w;                                                \
343 } while (0)
344
345 #define TEST_AGE(age, h, w)             ((age)->wrap < w ||             \
346                                          ((age)->wrap == w &&           \
347                                           (age)->head < h))
348
349 #define AGE_BUFFER(buf_priv)                                            \
350 do {                                                                    \
351         drm_mga_freelist_t *entry = (buf_priv)->list_entry;             \
352         if ((buf_priv)->dispatched) {                                   \
353                 entry->age.head = (dev_priv->prim.tail +                \
354                                    dev_priv->primary->offset);          \
355                 entry->age.wrap = dev_priv->sarea_priv->last_wrap;      \
356         } else {                                                        \
357                 entry->age.head = 0;                                    \
358                 entry->age.wrap = 0;                                    \
359         }                                                               \
360 } while (0)
361
362 #define MGA_ENGINE_IDLE_MASK            (MGA_SOFTRAPEN |                \
363                                          MGA_DWGENGSTS |                \
364                                          MGA_ENDPRDMASTS)
365 #define MGA_DMA_IDLE_MASK               (MGA_SOFTRAPEN |                \
366                                          MGA_ENDPRDMASTS)
367
368 #define MGA_DMA_DEBUG                   0
369
370 /* A reduced set of the mga registers.
371  */
372 #define MGA_CRTC_INDEX                  0x1fd4
373 #define MGA_CRTC_DATA                   0x1fd5
374
375 /* CRTC11 */
376 #define MGA_VINTCLR                     (1 << 4)
377 #define MGA_VINTEN                      (1 << 5)
378
379 #define MGA_ALPHACTRL                   0x2c7c
380 #define MGA_AR0                         0x1c60
381 #define MGA_AR1                         0x1c64
382 #define MGA_AR2                         0x1c68
383 #define MGA_AR3                         0x1c6c
384 #define MGA_AR4                         0x1c70
385 #define MGA_AR5                         0x1c74
386 #define MGA_AR6                         0x1c78
387
388 #define MGA_CXBNDRY                     0x1c80
389 #define MGA_CXLEFT                      0x1ca0
390 #define MGA_CXRIGHT                     0x1ca4
391
392 #define MGA_DMAPAD                      0x1c54
393 #define MGA_DSTORG                      0x2cb8
394 #define MGA_DWGCTL                      0x1c00
395 #       define MGA_OPCOD_MASK                   (15 << 0)
396 #       define MGA_OPCOD_TRAP                   (4 << 0)
397 #       define MGA_OPCOD_TEXTURE_TRAP           (6 << 0)
398 #       define MGA_OPCOD_BITBLT                 (8 << 0)
399 #       define MGA_OPCOD_ILOAD                  (9 << 0)
400 #       define MGA_ATYPE_MASK                   (7 << 4)
401 #       define MGA_ATYPE_RPL                    (0 << 4)
402 #       define MGA_ATYPE_RSTR                   (1 << 4)
403 #       define MGA_ATYPE_ZI                     (3 << 4)
404 #       define MGA_ATYPE_BLK                    (4 << 4)
405 #       define MGA_ATYPE_I                      (7 << 4)
406 #       define MGA_LINEAR                       (1 << 7)
407 #       define MGA_ZMODE_MASK                   (7 << 8)
408 #       define MGA_ZMODE_NOZCMP                 (0 << 8)
409 #       define MGA_ZMODE_ZE                     (2 << 8)
410 #       define MGA_ZMODE_ZNE                    (3 << 8)
411 #       define MGA_ZMODE_ZLT                    (4 << 8)
412 #       define MGA_ZMODE_ZLTE                   (5 << 8)
413 #       define MGA_ZMODE_ZGT                    (6 << 8)
414 #       define MGA_ZMODE_ZGTE                   (7 << 8)
415 #       define MGA_SOLID                        (1 << 11)
416 #       define MGA_ARZERO                       (1 << 12)
417 #       define MGA_SGNZERO                      (1 << 13)
418 #       define MGA_SHIFTZERO                    (1 << 14)
419 #       define MGA_BOP_MASK                     (15 << 16)
420 #       define MGA_BOP_ZERO                     (0 << 16)
421 #       define MGA_BOP_DST                      (10 << 16)
422 #       define MGA_BOP_SRC                      (12 << 16)
423 #       define MGA_BOP_ONE                      (15 << 16)
424 #       define MGA_TRANS_SHIFT                  20
425 #       define MGA_TRANS_MASK                   (15 << 20)
426 #       define MGA_BLTMOD_MASK                  (15 << 25)
427 #       define MGA_BLTMOD_BMONOLEF              (0 << 25)
428 #       define MGA_BLTMOD_BMONOWF               (4 << 25)
429 #       define MGA_BLTMOD_PLAN                  (1 << 25)
430 #       define MGA_BLTMOD_BFCOL                 (2 << 25)
431 #       define MGA_BLTMOD_BU32BGR               (3 << 25)
432 #       define MGA_BLTMOD_BU32RGB               (7 << 25)
433 #       define MGA_BLTMOD_BU24BGR               (11 << 25)
434 #       define MGA_BLTMOD_BU24RGB               (15 << 25)
435 #       define MGA_PATTERN                      (1 << 29)
436 #       define MGA_TRANSC                       (1 << 30)
437 #       define MGA_CLIPDIS                      (1 << 31)
438 #define MGA_DWGSYNC                     0x2c4c
439
440 #define MGA_FCOL                        0x1c24
441 #define MGA_FIFOSTATUS                  0x1e10
442 #define MGA_FOGCOL                      0x1cf4
443 #define MGA_FXBNDRY                     0x1c84
444 #define MGA_FXLEFT                      0x1ca8
445 #define MGA_FXRIGHT                     0x1cac
446
447 #define MGA_ICLEAR                      0x1e18
448 #       define MGA_SOFTRAPICLR                  (1 << 0)
449 #       define MGA_VLINEICLR                    (1 << 5)
450 #define MGA_IEN                         0x1e1c
451 #       define MGA_SOFTRAPIEN                   (1 << 0)
452 #       define MGA_VLINEIEN                     (1 << 5)
453
454 #define MGA_LEN                         0x1c5c
455
456 #define MGA_MACCESS                     0x1c04
457
458 #define MGA_PITCH                       0x1c8c
459 #define MGA_PLNWT                       0x1c1c
460 #define MGA_PRIMADDRESS                 0x1e58
461 #       define MGA_DMA_GENERAL                  (0 << 0)
462 #       define MGA_DMA_BLIT                     (1 << 0)
463 #       define MGA_DMA_VECTOR                   (2 << 0)
464 #       define MGA_DMA_VERTEX                   (3 << 0)
465 #define MGA_PRIMEND                     0x1e5c
466 #       define MGA_PRIMNOSTART                  (1 << 0)
467 #       define MGA_PAGPXFER                     (1 << 1)
468 #define MGA_PRIMPTR                     0x1e50
469 #       define MGA_PRIMPTREN0                   (1 << 0)
470 #       define MGA_PRIMPTREN1                   (1 << 1)
471
472 #define MGA_RST                         0x1e40
473 #       define MGA_SOFTRESET                    (1 << 0)
474 #       define MGA_SOFTEXTRST                   (1 << 1)
475
476 #define MGA_SECADDRESS                  0x2c40
477 #define MGA_SECEND                      0x2c44
478 #define MGA_SETUPADDRESS                0x2cd0
479 #define MGA_SETUPEND                    0x2cd4
480 #define MGA_SGN                         0x1c58
481 #define MGA_SOFTRAP                     0x2c48
482 #define MGA_SRCORG                      0x2cb4
483 #       define MGA_SRMMAP_MASK                  (1 << 0)
484 #       define MGA_SRCMAP_FB                    (0 << 0)
485 #       define MGA_SRCMAP_SYSMEM                (1 << 0)
486 #       define MGA_SRCACC_MASK                  (1 << 1)
487 #       define MGA_SRCACC_PCI                   (0 << 1)
488 #       define MGA_SRCACC_AGP                   (1 << 1)
489 #define MGA_STATUS                      0x1e14
490 #       define MGA_SOFTRAPEN                    (1 << 0)
491 #       define MGA_VSYNCPEN                     (1 << 4)
492 #       define MGA_VLINEPEN                     (1 << 5)
493 #       define MGA_DWGENGSTS                    (1 << 16)
494 #       define MGA_ENDPRDMASTS                  (1 << 17)
495 #define MGA_STENCIL                     0x2cc8
496 #define MGA_STENCILCTL                  0x2ccc
497
498 #define MGA_TDUALSTAGE0                 0x2cf8
499 #define MGA_TDUALSTAGE1                 0x2cfc
500 #define MGA_TEXBORDERCOL                0x2c5c
501 #define MGA_TEXCTL                      0x2c30
502 #define MGA_TEXCTL2                     0x2c3c
503 #       define MGA_DUALTEX                      (1 << 7)
504 #       define MGA_G400_TC2_MAGIC               (1 << 15)
505 #       define MGA_MAP1_ENABLE                  (1 << 31)
506 #define MGA_TEXFILTER                   0x2c58
507 #define MGA_TEXHEIGHT                   0x2c2c
508 #define MGA_TEXORG                      0x2c24
509 #       define MGA_TEXORGMAP_MASK               (1 << 0)
510 #       define MGA_TEXORGMAP_FB                 (0 << 0)
511 #       define MGA_TEXORGMAP_SYSMEM             (1 << 0)
512 #       define MGA_TEXORGACC_MASK               (1 << 1)
513 #       define MGA_TEXORGACC_PCI                (0 << 1)
514 #       define MGA_TEXORGACC_AGP                (1 << 1)
515 #define MGA_TEXORG1                     0x2ca4
516 #define MGA_TEXORG2                     0x2ca8
517 #define MGA_TEXORG3                     0x2cac
518 #define MGA_TEXORG4                     0x2cb0
519 #define MGA_TEXTRANS                    0x2c34
520 #define MGA_TEXTRANSHIGH                0x2c38
521 #define MGA_TEXWIDTH                    0x2c28
522
523 #define MGA_WACCEPTSEQ                  0x1dd4
524 #define MGA_WCODEADDR                   0x1e6c
525 #define MGA_WFLAG                       0x1dc4
526 #define MGA_WFLAG1                      0x1de0
527 #define MGA_WFLAGNB                     0x1e64
528 #define MGA_WFLAGNB1                    0x1e08
529 #define MGA_WGETMSB                     0x1dc8
530 #define MGA_WIADDR                      0x1dc0
531 #define MGA_WIADDR2                     0x1dd8
532 #       define MGA_WMODE_SUSPEND                (0 << 0)
533 #       define MGA_WMODE_RESUME                 (1 << 0)
534 #       define MGA_WMODE_JUMP                   (2 << 0)
535 #       define MGA_WMODE_START                  (3 << 0)
536 #       define MGA_WAGP_ENABLE                  (1 << 2)
537 #define MGA_WMISC                       0x1e70
538 #       define MGA_WUCODECACHE_ENABLE           (1 << 0)
539 #       define MGA_WMASTER_ENABLE               (1 << 1)
540 #       define MGA_WCACHEFLUSH_ENABLE           (1 << 3)
541 #define MGA_WVRTXSZ                     0x1dcc
542
543 #define MGA_YBOT                        0x1c9c
544 #define MGA_YDST                        0x1c90
545 #define MGA_YDSTLEN                     0x1c88
546 #define MGA_YDSTORG                     0x1c94
547 #define MGA_YTOP                        0x1c98
548
549 #define MGA_ZORG                        0x1c0c
550
551 /* This finishes the current batch of commands
552  */
553 #define MGA_EXEC                        0x0100
554
555 /* AGP PLL encoding (for G200 only).
556  */
557 #define MGA_AGP_PLL                     0x1e4c
558 #       define MGA_AGP2XPLL_DISABLE             (0 << 0)
559 #       define MGA_AGP2XPLL_ENABLE              (1 << 0)
560
561 /* Warp registers
562  */
563 #define MGA_WR0                         0x2d00
564 #define MGA_WR1                         0x2d04
565 #define MGA_WR2                         0x2d08
566 #define MGA_WR3                         0x2d0c
567 #define MGA_WR4                         0x2d10
568 #define MGA_WR5                         0x2d14
569 #define MGA_WR6                         0x2d18
570 #define MGA_WR7                         0x2d1c
571 #define MGA_WR8                         0x2d20
572 #define MGA_WR9                         0x2d24
573 #define MGA_WR10                        0x2d28
574 #define MGA_WR11                        0x2d2c
575 #define MGA_WR12                        0x2d30
576 #define MGA_WR13                        0x2d34
577 #define MGA_WR14                        0x2d38
578 #define MGA_WR15                        0x2d3c
579 #define MGA_WR16                        0x2d40
580 #define MGA_WR17                        0x2d44
581 #define MGA_WR18                        0x2d48
582 #define MGA_WR19                        0x2d4c
583 #define MGA_WR20                        0x2d50
584 #define MGA_WR21                        0x2d54
585 #define MGA_WR22                        0x2d58
586 #define MGA_WR23                        0x2d5c
587 #define MGA_WR24                        0x2d60
588 #define MGA_WR25                        0x2d64
589 #define MGA_WR26                        0x2d68
590 #define MGA_WR27                        0x2d6c
591 #define MGA_WR28                        0x2d70
592 #define MGA_WR29                        0x2d74
593 #define MGA_WR30                        0x2d78
594 #define MGA_WR31                        0x2d7c
595 #define MGA_WR32                        0x2d80
596 #define MGA_WR33                        0x2d84
597 #define MGA_WR34                        0x2d88
598 #define MGA_WR35                        0x2d8c
599 #define MGA_WR36                        0x2d90
600 #define MGA_WR37                        0x2d94
601 #define MGA_WR38                        0x2d98
602 #define MGA_WR39                        0x2d9c
603 #define MGA_WR40                        0x2da0
604 #define MGA_WR41                        0x2da4
605 #define MGA_WR42                        0x2da8
606 #define MGA_WR43                        0x2dac
607 #define MGA_WR44                        0x2db0
608 #define MGA_WR45                        0x2db4
609 #define MGA_WR46                        0x2db8
610 #define MGA_WR47                        0x2dbc
611 #define MGA_WR48                        0x2dc0
612 #define MGA_WR49                        0x2dc4
613 #define MGA_WR50                        0x2dc8
614 #define MGA_WR51                        0x2dcc
615 #define MGA_WR52                        0x2dd0
616 #define MGA_WR53                        0x2dd4
617 #define MGA_WR54                        0x2dd8
618 #define MGA_WR55                        0x2ddc
619 #define MGA_WR56                        0x2de0
620 #define MGA_WR57                        0x2de4
621 #define MGA_WR58                        0x2de8
622 #define MGA_WR59                        0x2dec
623 #define MGA_WR60                        0x2df0
624 #define MGA_WR61                        0x2df4
625 #define MGA_WR62                        0x2df8
626 #define MGA_WR63                        0x2dfc
627 #       define MGA_G400_WR_MAGIC                (1 << 6)
628 #       define MGA_G400_WR56_MAGIC              0x46480000      /* 12800.0f */
629
630 #define MGA_ILOAD_ALIGN         64
631 #define MGA_ILOAD_MASK          (MGA_ILOAD_ALIGN - 1)
632
633 #define MGA_DWGCTL_FLUSH        (MGA_OPCOD_TEXTURE_TRAP |               \
634                                  MGA_ATYPE_I |                          \
635                                  MGA_ZMODE_NOZCMP |                     \
636                                  MGA_ARZERO |                           \
637                                  MGA_SGNZERO |                          \
638                                  MGA_BOP_SRC |                          \
639                                  (15 << MGA_TRANS_SHIFT))
640
641 #define MGA_DWGCTL_CLEAR        (MGA_OPCOD_TRAP |                       \
642                                  MGA_ZMODE_NOZCMP |                     \
643                                  MGA_SOLID |                            \
644                                  MGA_ARZERO |                           \
645                                  MGA_SGNZERO |                          \
646                                  MGA_SHIFTZERO |                        \
647                                  MGA_BOP_SRC |                          \
648                                  (0 << MGA_TRANS_SHIFT) |               \
649                                  MGA_BLTMOD_BMONOLEF |                  \
650                                  MGA_TRANSC |                           \
651                                  MGA_CLIPDIS)
652
653 #define MGA_DWGCTL_COPY         (MGA_OPCOD_BITBLT |                     \
654                                  MGA_ATYPE_RPL |                        \
655                                  MGA_SGNZERO |                          \
656                                  MGA_SHIFTZERO |                        \
657                                  MGA_BOP_SRC |                          \
658                                  (0 << MGA_TRANS_SHIFT) |               \
659                                  MGA_BLTMOD_BFCOL |                     \
660                                  MGA_CLIPDIS)
661
662 /* Simple idle test.
663  */
664 static __inline__ int mga_is_idle(drm_mga_private_t *dev_priv)
665 {
666         u32 status = MGA_READ(MGA_STATUS) & MGA_ENGINE_IDLE_MASK;
667         return (status == MGA_ENDPRDMASTS);
668 }
669
670 #endif