drivers/char/drm/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 /* General customization:
  35  */
  36
  37 #define DRIVER_AUTHOR           "Gareth Hughes, VA Linux Systems Inc."
  38
  39 #define DRIVER_NAME             "mga"
  40 #define DRIVER_DESC             "Matrox G200/G400"
  41 #define DRIVER_DATE             "20051102"
  42
  43 #define DRIVER_MAJOR            3
  44 #define DRIVER_MINOR            2
  45 #define DRIVER_PATCHLEVEL       1
  46
  47 typedef struct drm_mga_primary_buffer {
  48         u8 *start;
  49         u8 *end;
  50         int size;
  51
  52         u32 tail;
  53         int space;
  54         volatile long wrapped;
  55
  56         volatile u32 *status;
  57
  58         u32 last_flush;
  59         u32 last_wrap;
  60
  61         u32 high_mark;
  62 } drm_mga_primary_buffer_t;
  63
  64 typedef struct drm_mga_freelist {
  65         struct drm_mga_freelist *next;
  66         struct drm_mga_freelist *prev;
  67         drm_mga_age_t age;
  68         drm_buf_t *buf;
  69 } drm_mga_freelist_t;
  70
  71 typedef struct {
  72         drm_mga_freelist_t *list_entry;
  73         int discard;
  74         int dispatched;
  75 } drm_mga_buf_priv_t;
  76
  77 typedef struct drm_mga_private {
  78         drm_mga_primary_buffer_t prim;
  79         drm_mga_sarea_t *sarea_priv;
  80
  81         drm_mga_freelist_t *head;
  82         drm_mga_freelist_t *tail;
  83
  84         unsigned int warp_pipe;
  85         unsigned long warp_pipe_phys[MGA_MAX_WARP_PIPES];
  86
  87         int chipset;
  88         int usec_timeout;
  89
  90         /**
  91          * If set, the new DMA initialization sequence was used.  This is
  92          * primarilly used to select how the driver should uninitialized its
  93          * internal DMA structures.
  94          */
  95         int used_new_dma_init;
  96
  97         /**
  98          * If AGP memory is used for DMA buffers, this will be the value
  99          * \c MGA_PAGPXFER.  Otherwise, it will be zero (for a PCI transfer).
 100          */
 101         u32 dma_access;
 102
 103         /**
 104          * If AGP memory is used for DMA buffers, this will be the value
 105          * \c MGA_WAGP_ENABLE.  Otherwise, it will be zero (for a PCI
 106          * transfer).
 107          */
 108         u32 wagp_enable;
 109
 110         /**
 111          * \name MMIO region parameters.
 112          *
 113          * \sa drm_mga_private_t::mmio
 114          */
 115         /*@{ */
 116         u32 mmio_base;             /**< Bus address of base of MMIO. */
 117         u32 mmio_size;             /**< Size of the MMIO region. */
 118         /*@} */
 119
 120         u32 clear_cmd;
 121         u32 maccess;
 122
 123         wait_queue_head_t fence_queue;
 124         atomic_t last_fence_retired;
 125         u32 next_fence_to_post;
 126
 127         unsigned int fb_cpp;
 128         unsigned int front_offset;
 129         unsigned int front_pitch;
 130         unsigned int back_offset;
 131         unsigned int back_pitch;
 132
 133         unsigned int depth_cpp;
 134         unsigned int depth_offset;
 135         unsigned int depth_pitch;
 136
 137         unsigned int texture_offset;
 138         unsigned int texture_size;
 139
 140         drm_local_map_t *sarea;
 141         drm_local_map_t *mmio;
 142         drm_local_map_t *status;
 143         drm_local_map_t *warp;
 144         drm_local_map_t *primary;
 145         drm_local_map_t *agp_textures;
 146
 147         unsigned long agp_handle;
 148         unsigned int agp_size;
 149 } drm_mga_private_t;
 150
 151 extern drm_ioctl_desc_t mga_ioctls[];
 152 extern int mga_max_ioctl;
 153
 154                                 /* mga_dma.c */
 155 extern int mga_dma_bootstrap(DRM_IOCTL_ARGS);
 156 extern int mga_dma_init(DRM_IOCTL_ARGS);
 157 extern int mga_dma_flush(DRM_IOCTL_ARGS);
 158 extern int mga_dma_reset(DRM_IOCTL_ARGS);
 159 extern int mga_dma_buffers(DRM_IOCTL_ARGS);
 160 extern int mga_driver_load(drm_device_t *dev, unsigned long flags);
 161 extern int mga_driver_unload(drm_device_t * dev);
 162 extern void mga_driver_lastclose(drm_device_t * dev);
 163 extern int mga_driver_dma_quiescent(drm_device_t * dev);
 164
 165 extern int mga_do_wait_for_idle(drm_mga_private_t * dev_priv);
 166
 167 extern void mga_do_dma_flush(drm_mga_private_t * dev_priv);
 168 extern void mga_do_dma_wrap_start(drm_mga_private_t * dev_priv);
 169 extern void mga_do_dma_wrap_end(drm_mga_private_t * dev_priv);
 170
 171 extern int mga_freelist_put(drm_device_t * dev, drm_buf_t * buf);
 172
 173                                 /* mga_warp.c */
 174 extern unsigned int mga_warp_microcode_size(const drm_mga_private_t * dev_priv);
 175 extern int mga_warp_install_microcode(drm_mga_private_t * dev_priv);
 176 extern int mga_warp_init(drm_mga_private_t * dev_priv);
 177
 178                                 /* mga_irq.c */
 179 extern int mga_driver_fence_wait(drm_device_t * dev, unsigned int *sequence);
 180 extern int mga_driver_vblank_wait(drm_device_t * dev, unsigned int *sequence);
 181 extern irqreturn_t mga_driver_irq_handler(DRM_IRQ_ARGS);
 182 extern void mga_driver_irq_preinstall(drm_device_t * dev);
 183 extern void mga_driver_irq_postinstall(drm_device_t * dev);
 184 extern void mga_driver_irq_uninstall(drm_device_t * dev);
 185 extern long mga_compat_ioctl(struct file *filp, unsigned int cmd,
 186                              unsigned long arg);
 187
 188 #define mga_flush_write_combine()       DRM_WRITEMEMORYBARRIER()
 189
 190 #if defined(__linux__) && defined(__alpha__)
 191 #define MGA_BASE( reg )         ((unsigned long)(dev_priv->mmio->handle))
 192 #define MGA_ADDR( reg )         (MGA_BASE(reg) + reg)
 193
 194 #define MGA_DEREF( reg )        *(volatile u32 *)MGA_ADDR( reg )
 195 #define MGA_DEREF8( reg )       *(volatile u8 *)MGA_ADDR( reg )
 196
 197 #define MGA_READ( reg )         (_MGA_READ((u32 *)MGA_ADDR(reg)))
 198 #define MGA_READ8( reg )        (_MGA_READ((u8 *)MGA_ADDR(reg)))
 199 #define MGA_WRITE( reg, val )   do { DRM_WRITEMEMORYBARRIER(); MGA_DEREF( reg ) = val; } while (0)
 200 #define MGA_WRITE8( reg, val )  do { DRM_WRITEMEMORYBARRIER(); MGA_DEREF8( reg ) = val; } while (0)
 201
 202 static inline u32 _MGA_READ(u32 * addr)
 203 {
 204         DRM_MEMORYBARRIER();
 205         return *(volatile u32 *)addr;
 206 }
 207 #else
 208 #define MGA_READ8( reg )        DRM_READ8(dev_priv->mmio, (reg))
 209 #define MGA_READ( reg )         DRM_READ32(dev_priv->mmio, (reg))
 210 #define MGA_WRITE8( reg, val )  DRM_WRITE8(dev_priv->mmio, (reg), (val))
 211 #define MGA_WRITE( reg, val )   DRM_WRITE32(dev_priv->mmio, (reg), (val))
 212 #endif
 213
 214 #define DWGREG0         0x1c00
 215 #define DWGREG0_END     0x1dff
 216 #define DWGREG1         0x2c00
 217 #define DWGREG1_END     0x2dff
 218
 219 #define ISREG0(r)       (r >= DWGREG0 && r <= DWGREG0_END)
 220 #define DMAREG0(r)      (u8)((r - DWGREG0) >> 2)
 221 #define DMAREG1(r)      (u8)(((r - DWGREG1) >> 2) | 0x80)
 222 #define DMAREG(r)       (ISREG0(r) ? DMAREG0(r) : DMAREG1(r))
 223
 224 /* ================================================================
 225  * Helper macross...
 226  */
 227
 228 #define MGA_EMIT_STATE( dev_priv, dirty )                               \
 229 do {                                                                    \
 230         if ( (dirty) & ~MGA_UPLOAD_CLIPRECTS ) {                        \
 231                 if ( dev_priv->chipset >= MGA_CARD_TYPE_G400 ) {        \
 232                         mga_g400_emit_state( dev_priv );                \
 233                 } else {                                                \
 234                         mga_g200_emit_state( dev_priv );                \
 235                 }                                                       \
 236         }                                                               \
 237 } while (0)
 238
 239 #define WRAP_TEST_WITH_RETURN( dev_priv )                               \
 240 do {                                                                    \
 241         if ( test_bit( 0, &dev_priv->prim.wrapped ) ) {                 \
 242                 if ( mga_is_idle( dev_priv ) ) {                        \
 243                         mga_do_dma_wrap_end( dev_priv );                \
 244                 } else if ( dev_priv->prim.space <                      \
 245                             dev_priv->prim.high_mark ) {                \
 246                         if ( MGA_DMA_DEBUG )                            \
 247                                 DRM_INFO( "%s: wrap...\n", __FUNCTION__ );      \
 248                         return DRM_ERR(EBUSY);                  \
 249                 }                                                       \
 250         }                                                               \
 251 } while (0)
 252
 253 #define WRAP_WAIT_WITH_RETURN( dev_priv )                               \
 254 do {                                                                    \
 255         if ( test_bit( 0, &dev_priv->prim.wrapped ) ) {                 \
 256                 if ( mga_do_wait_for_idle( dev_priv ) < 0 ) {           \
 257                         if ( MGA_DMA_DEBUG )                            \
 258                                 DRM_INFO( "%s: wrap...\n", __FUNCTION__ );      \
 259                         return DRM_ERR(EBUSY);                  \
 260                 }                                                       \
 261                 mga_do_dma_wrap_end( dev_priv );                        \
 262         }                                                               \
 263 } while (0)
 264
 265 /* ================================================================
 266  * Primary DMA command stream
 267  */
 268
 269 #define MGA_VERBOSE     0
 270
 271 #define DMA_LOCALS      unsigned int write; volatile u8 *prim;
 272
 273 #define DMA_BLOCK_SIZE  (5 * sizeof(u32))
 274
 275 #define BEGIN_DMA( n )                                                  \
 276 do {                                                                    \
 277         if ( MGA_VERBOSE ) {                                            \
 278                 DRM_INFO( "BEGIN_DMA( %d ) in %s\n",                    \
 279                           (n), __FUNCTION__ );                          \
 280                 DRM_INFO( "   space=0x%x req=0x%Zx\n",                  \
 281                           dev_priv->prim.space, (n) * DMA_BLOCK_SIZE ); \
 282         }                                                               \
 283         prim = dev_priv->prim.start;                                    \
 284         write = dev_priv->prim.tail;                                    \
 285 } while (0)
 286
 287 #define BEGIN_DMA_WRAP()                                                \
 288 do {                                                                    \
 289         if ( MGA_VERBOSE ) {                                            \
 290                 DRM_INFO( "BEGIN_DMA() in %s\n", __FUNCTION__ );                \
 291                 DRM_INFO( "   space=0x%x\n", dev_priv->prim.space );    \
 292         }                                                               \
 293         prim = dev_priv->prim.start;                                    \
 294         write = dev_priv->prim.tail;                                    \
 295 } while (0)
 296
 297 #define ADVANCE_DMA()                                                   \
 298 do {                                                                    \
 299         dev_priv->prim.tail = write;                                    \
 300         if ( MGA_VERBOSE ) {                                            \
 301                 DRM_INFO( "ADVANCE_DMA() tail=0x%05x sp=0x%x\n",        \
 302                           write, dev_priv->prim.space );                \
 303         }                                                               \
 304 } while (0)
 305
 306 #define FLUSH_DMA()                                                     \
 307 do {                                                                    \
 308         if ( 0 ) {                                                      \
 309                 DRM_INFO( "%s:\n", __FUNCTION__ );                              \
 310                 DRM_INFO( "   tail=0x%06x head=0x%06lx\n",              \
 311                           dev_priv->prim.tail,                          \
 312                           MGA_READ( MGA_PRIMADDRESS ) -                 \
 313                           dev_priv->primary->offset );                  \
 314         }                                                               \
 315         if ( !test_bit( 0, &dev_priv->prim.wrapped ) ) {                \
 316                 if ( dev_priv->prim.space <                             \
 317                      dev_priv->prim.high_mark ) {                       \
 318                         mga_do_dma_wrap_start( dev_priv );              \
 319                 } else {                                                \
 320                         mga_do_dma_flush( dev_priv );                   \
 321                 }                                                       \
 322         }                                                               \
 323 } while (0)
 324
 325 /* Never use this, always use DMA_BLOCK(...) for primary DMA output.
 326  */
 327 #define DMA_WRITE( offset, val )                                        \
 328 do {                                                                    \
 329         if ( MGA_VERBOSE ) {                                            \
 330                 DRM_INFO( "   DMA_WRITE( 0x%08x ) at 0x%04Zx\n",        \
 331                           (u32)(val), write + (offset) * sizeof(u32) ); \
 332         }                                                               \
 333         *(volatile u32 *)(prim + write + (offset) * sizeof(u32)) = val; \
 334 } while (0)
 335
 336 #define DMA_BLOCK( reg0, val0, reg1, val1, reg2, val2, reg3, val3 )     \
 337 do {                                                                    \
 338         DMA_WRITE( 0, ((DMAREG( reg0 ) << 0) |                          \
 339                        (DMAREG( reg1 ) << 8) |                          \
 340                        (DMAREG( reg2 ) << 16) |                         \
 341                        (DMAREG( reg3 ) << 24)) );                       \
 342         DMA_WRITE( 1, val0 );                                           \
 343         DMA_WRITE( 2, val1 );                                           \
 344         DMA_WRITE( 3, val2 );                                           \
 345         DMA_WRITE( 4, val3 );                                           \
 346         write += DMA_BLOCK_SIZE;                                        \
 347 } while (0)
 348
 349 /* Buffer aging via primary DMA stream head pointer.
 350  */
 351
 352 #define SET_AGE( age, h, w )                                            \
 353 do {                                                                    \
 354         (age)->head = h;                                                \
 355         (age)->wrap = w;                                                \
 356 } while (0)
 357
 358 #define TEST_AGE( age, h, w )           ( (age)->wrap < w ||            \
 359                                           ( (age)->wrap == w &&         \
 360                                             (age)->head < h ) )
 361
 362 #define AGE_BUFFER( buf_priv )                                          \
 363 do {                                                                    \
 364         drm_mga_freelist_t *entry = (buf_priv)->list_entry;             \
 365         if ( (buf_priv)->dispatched ) {                                 \
 366                 entry->age.head = (dev_priv->prim.tail +                \
 367                                    dev_priv->primary->offset);          \
 368                 entry->age.wrap = dev_priv->sarea_priv->last_wrap;      \
 369         } else {                                                        \
 370                 entry->age.head = 0;                                    \
 371                 entry->age.wrap = 0;                                    \
 372         }                                                               \
 373 } while (0)
 374
 375 #define MGA_ENGINE_IDLE_MASK            (MGA_SOFTRAPEN |                \
 376                                          MGA_DWGENGSTS |                \
 377                                          MGA_ENDPRDMASTS)
 378 #define MGA_DMA_IDLE_MASK               (MGA_SOFTRAPEN |                \
 379                                          MGA_ENDPRDMASTS)
 380
 381 #define MGA_DMA_DEBUG                   0
 382
 383 /* A reduced set of the mga registers.
 384  */
 385 #define MGA_CRTC_INDEX                  0x1fd4
 386 #define MGA_CRTC_DATA                   0x1fd5
 387
 388 /* CRTC11 */
 389 #define MGA_VINTCLR                     (1 << 4)
 390 #define MGA_VINTEN                      (1 << 5)
 391
 392 #define MGA_ALPHACTRL                   0x2c7c
 393 #define MGA_AR0                         0x1c60
 394 #define MGA_AR1                         0x1c64
 395 #define MGA_AR2                         0x1c68
 396 #define MGA_AR3                         0x1c6c
 397 #define MGA_AR4                         0x1c70
 398 #define MGA_AR5                         0x1c74
 399 #define MGA_AR6                         0x1c78
 400
 401 #define MGA_CXBNDRY                     0x1c80
 402 #define MGA_CXLEFT                      0x1ca0
 403 #define MGA_CXRIGHT                     0x1ca4
 404
 405 #define MGA_DMAPAD                      0x1c54
 406 #define MGA_DSTORG                      0x2cb8
 407 #define MGA_DWGCTL                      0x1c00
 408 #       define MGA_OPCOD_MASK                   (15 << 0)
 409 #       define MGA_OPCOD_TRAP                   (4 << 0)
 410 #       define MGA_OPCOD_TEXTURE_TRAP           (6 << 0)
 411 #       define MGA_OPCOD_BITBLT                 (8 << 0)
 412 #       define MGA_OPCOD_ILOAD                  (9 << 0)
 413 #       define MGA_ATYPE_MASK                   (7 << 4)
 414 #       define MGA_ATYPE_RPL                    (0 << 4)
 415 #       define MGA_ATYPE_RSTR                   (1 << 4)
 416 #       define MGA_ATYPE_ZI                     (3 << 4)
 417 #       define MGA_ATYPE_BLK                    (4 << 4)
 418 #       define MGA_ATYPE_I                      (7 << 4)
 419 #       define MGA_LINEAR                       (1 << 7)
 420 #       define MGA_ZMODE_MASK                   (7 << 8)
 421 #       define MGA_ZMODE_NOZCMP                 (0 << 8)
 422 #       define MGA_ZMODE_ZE                     (2 << 8)
 423 #       define MGA_ZMODE_ZNE                    (3 << 8)
 424 #       define MGA_ZMODE_ZLT                    (4 << 8)
 425 #       define MGA_ZMODE_ZLTE                   (5 << 8)
 426 #       define MGA_ZMODE_ZGT                    (6 << 8)
 427 #       define MGA_ZMODE_ZGTE                   (7 << 8)
 428 #       define MGA_SOLID                        (1 << 11)
 429 #       define MGA_ARZERO                       (1 << 12)
 430 #       define MGA_SGNZERO                      (1 << 13)
 431 #       define MGA_SHIFTZERO                    (1 << 14)
 432 #       define MGA_BOP_MASK                     (15 << 16)
 433 #       define MGA_BOP_ZERO                     (0 << 16)
 434 #       define MGA_BOP_DST                      (10 << 16)
 435 #       define MGA_BOP_SRC                      (12 << 16)
 436 #       define MGA_BOP_ONE                      (15 << 16)
 437 #       define MGA_TRANS_SHIFT                  20
 438 #       define MGA_TRANS_MASK                   (15 << 20)
 439 #       define MGA_BLTMOD_MASK                  (15 << 25)
 440 #       define MGA_BLTMOD_BMONOLEF              (0 << 25)
 441 #       define MGA_BLTMOD_BMONOWF               (4 << 25)
 442 #       define MGA_BLTMOD_PLAN                  (1 << 25)
 443 #       define MGA_BLTMOD_BFCOL                 (2 << 25)
 444 #       define MGA_BLTMOD_BU32BGR               (3 << 25)
 445 #       define MGA_BLTMOD_BU32RGB               (7 << 25)
 446 #       define MGA_BLTMOD_BU24BGR               (11 << 25)
 447 #       define MGA_BLTMOD_BU24RGB               (15 << 25)
 448 #       define MGA_PATTERN                      (1 << 29)
 449 #       define MGA_TRANSC                       (1 << 30)
 450 #       define MGA_CLIPDIS                      (1 << 31)
 451 #define MGA_DWGSYNC                     0x2c4c
 452
 453 #define MGA_FCOL                        0x1c24
 454 #define MGA_FIFOSTATUS                  0x1e10
 455 #define MGA_FOGCOL                      0x1cf4
 456 #define MGA_FXBNDRY                     0x1c84
 457 #define MGA_FXLEFT                      0x1ca8
 458 #define MGA_FXRIGHT                     0x1cac
 459
 460 #define MGA_ICLEAR                      0x1e18
 461 #       define MGA_SOFTRAPICLR                  (1 << 0)
 462 #       define MGA_VLINEICLR                    (1 << 5)
 463 #define MGA_IEN                         0x1e1c
 464 #       define MGA_SOFTRAPIEN                   (1 << 0)
 465 #       define MGA_VLINEIEN                     (1 << 5)
 466
 467 #define MGA_LEN                         0x1c5c
 468
 469 #define MGA_MACCESS                     0x1c04
 470
 471 #define MGA_PITCH                       0x1c8c
 472 #define MGA_PLNWT                       0x1c1c
 473 #define MGA_PRIMADDRESS                 0x1e58
 474 #       define MGA_DMA_GENERAL                  (0 << 0)
 475 #       define MGA_DMA_BLIT                     (1 << 0)
 476 #       define MGA_DMA_VECTOR                   (2 << 0)
 477 #       define MGA_DMA_VERTEX                   (3 << 0)
 478 #define MGA_PRIMEND                     0x1e5c
 479 #       define MGA_PRIMNOSTART                  (1 << 0)
 480 #       define MGA_PAGPXFER                     (1 << 1)
 481 #define MGA_PRIMPTR                     0x1e50
 482 #       define MGA_PRIMPTREN0                   (1 << 0)
 483 #       define MGA_PRIMPTREN1                   (1 << 1)
 484
 485 #define MGA_RST                         0x1e40
 486 #       define MGA_SOFTRESET                    (1 << 0)
 487 #       define MGA_SOFTEXTRST                   (1 << 1)
 488
 489 #define MGA_SECADDRESS                  0x2c40
 490 #define MGA_SECEND                      0x2c44
 491 #define MGA_SETUPADDRESS                0x2cd0
 492 #define MGA_SETUPEND                    0x2cd4
 493 #define MGA_SGN                         0x1c58
 494 #define MGA_SOFTRAP                     0x2c48
 495 #define MGA_SRCORG                      0x2cb4
 496 #       define MGA_SRMMAP_MASK                  (1 << 0)
 497 #       define MGA_SRCMAP_FB                    (0 << 0)
 498 #       define MGA_SRCMAP_SYSMEM                (1 << 0)
 499 #       define MGA_SRCACC_MASK                  (1 << 1)
 500 #       define MGA_SRCACC_PCI                   (0 << 1)
 501 #       define MGA_SRCACC_AGP                   (1 << 1)
 502 #define MGA_STATUS                      0x1e14
 503 #       define MGA_SOFTRAPEN                    (1 << 0)
 504 #       define MGA_VSYNCPEN                     (1 << 4)
 505 #       define MGA_VLINEPEN                     (1 << 5)
 506 #       define MGA_DWGENGSTS                    (1 << 16)
 507 #       define MGA_ENDPRDMASTS                  (1 << 17)
 508 #define MGA_STENCIL                     0x2cc8
 509 #define MGA_STENCILCTL                  0x2ccc
 510
 511 #define MGA_TDUALSTAGE0                 0x2cf8
 512 #define MGA_TDUALSTAGE1                 0x2cfc
 513 #define MGA_TEXBORDERCOL                0x2c5c
 514 #define MGA_TEXCTL                      0x2c30
 515 #define MGA_TEXCTL2                     0x2c3c
 516 #       define MGA_DUALTEX                      (1 << 7)
 517 #       define MGA_G400_TC2_MAGIC               (1 << 15)
 518 #       define MGA_MAP1_ENABLE                  (1 << 31)
 519 #define MGA_TEXFILTER                   0x2c58
 520 #define MGA_TEXHEIGHT                   0x2c2c
 521 #define MGA_TEXORG                      0x2c24
 522 #       define MGA_TEXORGMAP_MASK               (1 << 0)
 523 #       define MGA_TEXORGMAP_FB                 (0 << 0)
 524 #       define MGA_TEXORGMAP_SYSMEM             (1 << 0)
 525 #       define MGA_TEXORGACC_MASK               (1 << 1)
 526 #       define MGA_TEXORGACC_PCI                (0 << 1)
 527 #       define MGA_TEXORGACC_AGP                (1 << 1)
 528 #define MGA_TEXORG1                     0x2ca4
 529 #define MGA_TEXORG2                     0x2ca8
 530 #define MGA_TEXORG3                     0x2cac
 531 #define MGA_TEXORG4                     0x2cb0
 532 #define MGA_TEXTRANS                    0x2c34
 533 #define MGA_TEXTRANSHIGH                0x2c38
 534 #define MGA_TEXWIDTH                    0x2c28
 535
 536 #define MGA_WACCEPTSEQ                  0x1dd4
 537 #define MGA_WCODEADDR                   0x1e6c
 538 #define MGA_WFLAG                       0x1dc4
 539 #define MGA_WFLAG1                      0x1de0
 540 #define MGA_WFLAGNB                     0x1e64
 541 #define MGA_WFLAGNB1                    0x1e08
 542 #define MGA_WGETMSB                     0x1dc8
 543 #define MGA_WIADDR                      0x1dc0
 544 #define MGA_WIADDR2                     0x1dd8
 545 #       define MGA_WMODE_SUSPEND                (0 << 0)
 546 #       define MGA_WMODE_RESUME                 (1 << 0)
 547 #       define MGA_WMODE_JUMP                   (2 << 0)
 548 #       define MGA_WMODE_START                  (3 << 0)
 549 #       define MGA_WAGP_ENABLE                  (1 << 2)
 550 #define MGA_WMISC                       0x1e70
 551 #       define MGA_WUCODECACHE_ENABLE           (1 << 0)
 552 #       define MGA_WMASTER_ENABLE               (1 << 1)
 553 #       define MGA_WCACHEFLUSH_ENABLE           (1 << 3)
 554 #define MGA_WVRTXSZ                     0x1dcc
 555
 556 #define MGA_YBOT                        0x1c9c
 557 #define MGA_YDST                        0x1c90
 558 #define MGA_YDSTLEN                     0x1c88
 559 #define MGA_YDSTORG                     0x1c94
 560 #define MGA_YTOP                        0x1c98
 561
 562 #define MGA_ZORG                        0x1c0c
 563
 564 /* This finishes the current batch of commands
 565  */
 566 #define MGA_EXEC                        0x0100
 567
 568 /* AGP PLL encoding (for G200 only).
 569  */
 570 #define MGA_AGP_PLL                     0x1e4c
 571 #       define MGA_AGP2XPLL_DISABLE             (0 << 0)
 572 #       define MGA_AGP2XPLL_ENABLE              (1 << 0)
 573
 574 /* Warp registers
 575  */
 576 #define MGA_WR0                         0x2d00
 577 #define MGA_WR1                         0x2d04
 578 #define MGA_WR2                         0x2d08
 579 #define MGA_WR3                         0x2d0c
 580 #define MGA_WR4                         0x2d10
 581 #define MGA_WR5                         0x2d14
 582 #define MGA_WR6                         0x2d18
 583 #define MGA_WR7                         0x2d1c
 584 #define MGA_WR8                         0x2d20
 585 #define MGA_WR9                         0x2d24
 586 #define MGA_WR10                        0x2d28
 587 #define MGA_WR11                        0x2d2c
 588 #define MGA_WR12                        0x2d30
 589 #define MGA_WR13                        0x2d34
 590 #define MGA_WR14                        0x2d38
 591 #define MGA_WR15                        0x2d3c
 592 #define MGA_WR16                        0x2d40
 593 #define MGA_WR17                        0x2d44
 594 #define MGA_WR18                        0x2d48
 595 #define MGA_WR19                        0x2d4c
 596 #define MGA_WR20                        0x2d50
 597 #define MGA_WR21                        0x2d54
 598 #define MGA_WR22                        0x2d58
 599 #define MGA_WR23                        0x2d5c
 600 #define MGA_WR24                        0x2d60
 601 #define MGA_WR25                        0x2d64
 602 #define MGA_WR26                        0x2d68
 603 #define MGA_WR27                        0x2d6c
 604 #define MGA_WR28                        0x2d70
 605 #define MGA_WR29                        0x2d74
 606 #define MGA_WR30                        0x2d78
 607 #define MGA_WR31                        0x2d7c
 608 #define MGA_WR32                        0x2d80
 609 #define MGA_WR33                        0x2d84
 610 #define MGA_WR34                        0x2d88
 611 #define MGA_WR35                        0x2d8c
 612 #define MGA_WR36                        0x2d90
 613 #define MGA_WR37                        0x2d94
 614 #define MGA_WR38                        0x2d98
 615 #define MGA_WR39                        0x2d9c
 616 #define MGA_WR40                        0x2da0
 617 #define MGA_WR41                        0x2da4
 618 #define MGA_WR42                        0x2da8
 619 #define MGA_WR43                        0x2dac
 620 #define MGA_WR44                        0x2db0
 621 #define MGA_WR45                        0x2db4
 622 #define MGA_WR46                        0x2db8
 623 #define MGA_WR47                        0x2dbc
 624 #define MGA_WR48                        0x2dc0
 625 #define MGA_WR49                        0x2dc4
 626 #define MGA_WR50                        0x2dc8
 627 #define MGA_WR51                        0x2dcc
 628 #define MGA_WR52                        0x2dd0
 629 #define MGA_WR53                        0x2dd4
 630 #define MGA_WR54                        0x2dd8
 631 #define MGA_WR55                        0x2ddc
 632 #define MGA_WR56                        0x2de0
 633 #define MGA_WR57                        0x2de4
 634 #define MGA_WR58                        0x2de8
 635 #define MGA_WR59                        0x2dec
 636 #define MGA_WR60                        0x2df0
 637 #define MGA_WR61                        0x2df4
 638 #define MGA_WR62                        0x2df8
 639 #define MGA_WR63                        0x2dfc
 640 #       define MGA_G400_WR_MAGIC                (1 << 6)
 641 #       define MGA_G400_WR56_MAGIC              0x46480000      /* 12800.0f */
 642
 643 #define MGA_ILOAD_ALIGN         64
 644 #define MGA_ILOAD_MASK          (MGA_ILOAD_ALIGN - 1)
 645
 646 #define MGA_DWGCTL_FLUSH        (MGA_OPCOD_TEXTURE_TRAP |               \
 647                                  MGA_ATYPE_I |                          \
 648                                  MGA_ZMODE_NOZCMP |                     \
 649                                  MGA_ARZERO |                           \
 650                                  MGA_SGNZERO |                          \
 651                                  MGA_BOP_SRC |                          \
 652                                  (15 << MGA_TRANS_SHIFT))
 653
 654 #define MGA_DWGCTL_CLEAR        (MGA_OPCOD_TRAP |                       \
 655                                  MGA_ZMODE_NOZCMP |                     \
 656                                  MGA_SOLID |                            \
 657                                  MGA_ARZERO |                           \
 658                                  MGA_SGNZERO |                          \
 659                                  MGA_SHIFTZERO |                        \
 660                                  MGA_BOP_SRC |                          \
 661                                  (0 << MGA_TRANS_SHIFT) |               \
 662                                  MGA_BLTMOD_BMONOLEF |                  \
 663                                  MGA_TRANSC |                           \
 664                                  MGA_CLIPDIS)
 665
 666 #define MGA_DWGCTL_COPY         (MGA_OPCOD_BITBLT |                     \
 667                                  MGA_ATYPE_RPL |                        \
 668                                  MGA_SGNZERO |                          \
 669                                  MGA_SHIFTZERO |                        \
 670                                  MGA_BOP_SRC |                          \
 671                                  (0 << MGA_TRANS_SHIFT) |               \
 672                                  MGA_BLTMOD_BFCOL |                     \
 673                                  MGA_CLIPDIS)
 674
 675 /* Simple idle test.
 676  */
 677 static __inline__ int mga_is_idle(drm_mga_private_t * dev_priv)
 678 {
 679         u32 status = MGA_READ(MGA_STATUS) & MGA_ENGINE_IDLE_MASK;
 680         return (status == MGA_ENDPRDMASTS);
 681 }
 682
 683 #endif