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 <linux/irqreturn.h>
  35 #include <linux/pci.h>
  36 #include <linux/slab.h>
  37
  38 #include <drm/drm_agpsupport.h>
  39 #include <drm/drm_device.h>
  40 #include <drm/drm_file.h>
  41 #include <drm/drm_ioctl.h>
  42 #include <drm/drm_irq.h>
  43 #include <drm/drm_legacy.h>
  44 #include <drm/drm_print.h>
  45 #include <drm/drm_sarea.h>
  46 #include <drm/drm_vblank.h>
  47 #include <drm/mga_drm.h>
  48
  49 /* General customization:
  50  */
  51
  52 #define DRIVER_AUTHOR           "Gareth Hughes, VA Linux Systems Inc."
  53
  54 #define DRIVER_NAME             "mga"
  55 #define DRIVER_DESC             "Matrox G200/G400"
  56 #define DRIVER_DATE             "20051102"
  57
  58 #define DRIVER_MAJOR            3
  59 #define DRIVER_MINOR            2
  60 #define DRIVER_PATCHLEVEL       1
  61
  62 typedef struct drm_mga_primary_buffer {
  63         u8 *start;
  64         u8 *end;
  65         int size;
  66
  67         u32 tail;
  68         int space;
  69         volatile long wrapped;
  70
  71         volatile u32 *status;
  72
  73         u32 last_flush;
  74         u32 last_wrap;
  75
  76         u32 high_mark;
  77 } drm_mga_primary_buffer_t;
  78
  79 typedef struct drm_mga_freelist {
  80         struct drm_mga_freelist *next;
  81         struct drm_mga_freelist *prev;
  82         drm_mga_age_t age;
  83         struct drm_buf *buf;
  84 } drm_mga_freelist_t;
  85
  86 typedef struct {
  87         drm_mga_freelist_t *list_entry;
  88         int discard;
  89         int dispatched;
  90 } drm_mga_buf_priv_t;
  91
  92 typedef struct drm_mga_private {
  93         drm_mga_primary_buffer_t prim;
  94         drm_mga_sarea_t *sarea_priv;
  95
  96         drm_mga_freelist_t *head;
  97         drm_mga_freelist_t *tail;
  98
  99         unsigned int warp_pipe;
 100         unsigned long warp_pipe_phys[MGA_MAX_WARP_PIPES];
 101
 102         int chipset;
 103         int usec_timeout;
 104
 105         /**
 106          * If set, the new DMA initialization sequence was used.  This is
 107          * primarilly used to select how the driver should uninitialized its
 108          * internal DMA structures.
 109          */
 110         int used_new_dma_init;
 111
 112         /**
 113          * If AGP memory is used for DMA buffers, this will be the value
 114          * \c MGA_PAGPXFER.  Otherwise, it will be zero (for a PCI transfer).
 115          */
 116         u32 dma_access;
 117
 118         /**
 119          * If AGP memory is used for DMA buffers, this will be the value
 120          * \c MGA_WAGP_ENABLE.  Otherwise, it will be zero (for a PCI
 121          * transfer).
 122          */
 123         u32 wagp_enable;
 124
 125         /**
 126          * \name MMIO region parameters.
 127          *
 128          * \sa drm_mga_private_t::mmio
 129          */
 130         /*@{ */
 131         resource_size_t mmio_base;         /**< Bus address of base of MMIO. */
 132         resource_size_t mmio_size;         /**< Size of the MMIO region. */
 133         /*@} */
 134
 135         u32 clear_cmd;
 136         u32 maccess;
 137
 138         atomic_t vbl_received;          /**< Number of vblanks received. */
 139         wait_queue_head_t fence_queue;
 140         atomic_t last_fence_retired;
 141         u32 next_fence_to_post;
 142
 143         unsigned int fb_cpp;
 144         unsigned int front_offset;
 145         unsigned int front_pitch;
 146         unsigned int back_offset;
 147         unsigned int back_pitch;
 148
 149         unsigned int depth_cpp;
 150         unsigned int depth_offset;
 151         unsigned int depth_pitch;
 152
 153         unsigned int texture_offset;
 154         unsigned int texture_size;
 155
 156         drm_local_map_t *sarea;
 157         drm_local_map_t *mmio;
 158         drm_local_map_t *status;
 159         drm_local_map_t *warp;
 160         drm_local_map_t *primary;
 161         drm_local_map_t *agp_textures;
 162
 163         unsigned long agp_handle;
 164         unsigned int agp_size;
 165 } drm_mga_private_t;
 166
 167 extern const struct drm_ioctl_desc mga_ioctls[];
 168 extern int mga_max_ioctl;
 169
 170                                 /* mga_dma.c */
 171 extern int mga_dma_bootstrap(struct drm_device *dev, void *data,
 172                              struct drm_file *file_priv);
 173 extern int mga_dma_init(struct drm_device *dev, void *data,
 174                         struct drm_file *file_priv);
 175 extern int mga_getparam(struct drm_device *dev, void *data,
 176                         struct drm_file *file_priv);
 177 extern int mga_dma_flush(struct drm_device *dev, void *data,
 178                          struct drm_file *file_priv);
 179 extern int mga_dma_reset(struct drm_device *dev, void *data,
 180                          struct drm_file *file_priv);
 181 extern int mga_dma_buffers(struct drm_device *dev, void *data,
 182                            struct drm_file *file_priv);
 183 extern int mga_driver_load(struct drm_device *dev, unsigned long flags);
 184 extern void mga_driver_unload(struct drm_device *dev);
 185 extern void mga_driver_lastclose(struct drm_device *dev);
 186 extern int mga_driver_dma_quiescent(struct drm_device *dev);
 187
 188 extern int mga_do_wait_for_idle(drm_mga_private_t *dev_priv);
 189
 190 extern void mga_do_dma_flush(drm_mga_private_t *dev_priv);
 191 extern void mga_do_dma_wrap_start(drm_mga_private_t *dev_priv);
 192 extern void mga_do_dma_wrap_end(drm_mga_private_t *dev_priv);
 193
 194 extern int mga_freelist_put(struct drm_device *dev, struct drm_buf *buf);
 195
 196                                 /* mga_warp.c */
 197 extern int mga_warp_install_microcode(drm_mga_private_t *dev_priv);
 198 extern int mga_warp_init(drm_mga_private_t *dev_priv);
 199
 200                                 /* mga_irq.c */
 201 extern int mga_enable_vblank(struct drm_device *dev, unsigned int pipe);
 202 extern void mga_disable_vblank(struct drm_device *dev, unsigned int pipe);
 203 extern u32 mga_get_vblank_counter(struct drm_device *dev, unsigned int pipe);
 204 extern void mga_driver_fence_wait(struct drm_device *dev, unsigned int *sequence);
 205 extern int mga_driver_vblank_wait(struct drm_device *dev, unsigned int *sequence);
 206 extern irqreturn_t mga_driver_irq_handler(int irq, void *arg);
 207 extern void mga_driver_irq_preinstall(struct drm_device *dev);
 208 extern int mga_driver_irq_postinstall(struct drm_device *dev);
 209 extern void mga_driver_irq_uninstall(struct drm_device *dev);
 210 extern long mga_compat_ioctl(struct file *filp, unsigned int cmd,
 211                              unsigned long arg);
 212
 213 #define mga_flush_write_combine()       wmb()
 214
 215 #define MGA_READ8(reg) \
 216         readb(((void __iomem *)dev_priv->mmio->handle) + (reg))
 217 #define MGA_READ(reg) \
 218         readl(((void __iomem *)dev_priv->mmio->handle) + (reg))
 219 #define MGA_WRITE8(reg, val) \
 220         writeb(val, ((void __iomem *)dev_priv->mmio->handle) + (reg))
 221 #define MGA_WRITE(reg, val) \
 222         writel(val, ((void __iomem *)dev_priv->mmio->handle) + (reg))
 223
 224 #define DWGREG0         0x1c00
 225 #define DWGREG0_END     0x1dff
 226 #define DWGREG1         0x2c00
 227 #define DWGREG1_END     0x2dff
 228
 229 #define ISREG0(r)       (r >= DWGREG0 && r <= DWGREG0_END)
 230 #define DMAREG0(r)      (u8)((r - DWGREG0) >> 2)
 231 #define DMAREG1(r)      (u8)(((r - DWGREG1) >> 2) | 0x80)
 232 #define DMAREG(r)       (ISREG0(r) ? DMAREG0(r) : DMAREG1(r))
 233
 234 /* ================================================================
 235  * Helper macross...
 236  */
 237
 238 #define MGA_EMIT_STATE(dev_priv, dirty)                                 \
 239 do {                                                                    \
 240         if ((dirty) & ~MGA_UPLOAD_CLIPRECTS) {                          \
 241                 if (dev_priv->chipset >= MGA_CARD_TYPE_G400)            \
 242                         mga_g400_emit_state(dev_priv);                  \
 243                 else                                                    \
 244                         mga_g200_emit_state(dev_priv);                  \
 245         }                                                               \
 246 } while (0)
 247
 248 #define WRAP_TEST_WITH_RETURN(dev_priv)                                 \
 249 do {                                                                    \
 250         if (test_bit(0, &dev_priv->prim.wrapped)) {                     \
 251                 if (mga_is_idle(dev_priv)) {                            \
 252                         mga_do_dma_wrap_end(dev_priv);                  \
 253                 } else if (dev_priv->prim.space <                       \
 254                            dev_priv->prim.high_mark) {                  \
 255                         if (MGA_DMA_DEBUG)                              \
 256                                 DRM_INFO("wrap...\n");                  \
 257                         return -EBUSY;                                  \
 258                 }                                                       \
 259         }                                                               \
 260 } while (0)
 261
 262 #define WRAP_WAIT_WITH_RETURN(dev_priv)                                 \
 263 do {                                                                    \
 264         if (test_bit(0, &dev_priv->prim.wrapped)) {                     \
 265                 if (mga_do_wait_for_idle(dev_priv) < 0) {               \
 266                         if (MGA_DMA_DEBUG)                              \
 267                                 DRM_INFO("wrap...\n");                  \
 268                         return -EBUSY;                                  \
 269                 }                                                       \
 270                 mga_do_dma_wrap_end(dev_priv);                          \
 271         }                                                               \
 272 } while (0)
 273
 274 /* ================================================================
 275  * Primary DMA command stream
 276  */
 277
 278 #define MGA_VERBOSE     0
 279
 280 #define DMA_LOCALS      unsigned int write; volatile u8 *prim;
 281
 282 #define DMA_BLOCK_SIZE  (5 * sizeof(u32))
 283
 284 #define BEGIN_DMA(n)                                                    \
 285 do {                                                                    \
 286         if (MGA_VERBOSE) {                                              \
 287                 DRM_INFO("BEGIN_DMA(%d)\n", (n));                       \
 288                 DRM_INFO("   space=0x%x req=0x%zx\n",                   \
 289                          dev_priv->prim.space, (n) * DMA_BLOCK_SIZE);   \
 290         }                                                               \
 291         prim = dev_priv->prim.start;                                    \
 292         write = dev_priv->prim.tail;                                    \
 293 } while (0)
 294
 295 #define BEGIN_DMA_WRAP()                                                \
 296 do {                                                                    \
 297         if (MGA_VERBOSE) {                                              \
 298                 DRM_INFO("BEGIN_DMA()\n");                              \
 299                 DRM_INFO("   space=0x%x\n", dev_priv->prim.space);      \
 300         }                                                               \
 301         prim = dev_priv->prim.start;                                    \
 302         write = dev_priv->prim.tail;                                    \
 303 } while (0)
 304
 305 #define ADVANCE_DMA()                                                   \
 306 do {                                                                    \
 307         dev_priv->prim.tail = write;                                    \
 308         if (MGA_VERBOSE)                                                \
 309                 DRM_INFO("ADVANCE_DMA() tail=0x%05x sp=0x%x\n",         \
 310                          write, dev_priv->prim.space);                  \
 311 } while (0)
 312
 313 #define FLUSH_DMA()                                                     \
 314 do {                                                                    \
 315         if (0) {                                                        \
 316                 DRM_INFO("\n");                                         \
 317                 DRM_INFO("   tail=0x%06x head=0x%06lx\n",               \
 318                          dev_priv->prim.tail,                           \
 319                          (unsigned long)(MGA_READ(MGA_PRIMADDRESS) -    \
 320                                          dev_priv->primary->offset));   \
 321         }                                                               \
 322         if (!test_bit(0, &dev_priv->prim.wrapped)) {                    \
 323                 if (dev_priv->prim.space < dev_priv->prim.high_mark)    \
 324                         mga_do_dma_wrap_start(dev_priv);                \
 325                 else                                                    \
 326                         mga_do_dma_flush(dev_priv);                     \
 327         }                                                               \
 328 } while (0)
 329
 330 /* Never use this, always use DMA_BLOCK(...) for primary DMA output.
 331  */
 332 #define DMA_WRITE(offset, val)                                          \
 333 do {                                                                    \
 334         if (MGA_VERBOSE)                                                \
 335                 DRM_INFO("   DMA_WRITE( 0x%08x ) at 0x%04zx\n",         \
 336                          (u32)(val), write + (offset) * sizeof(u32));   \
 337         *(volatile u32 *)(prim + write + (offset) * sizeof(u32)) = val; \
 338 } while (0)
 339
 340 #define DMA_BLOCK(reg0, val0, reg1, val1, reg2, val2, reg3, val3)       \
 341 do {                                                                    \
 342         DMA_WRITE(0, ((DMAREG(reg0) << 0) |                             \
 343                       (DMAREG(reg1) << 8) |                             \
 344                       (DMAREG(reg2) << 16) |                            \
 345                       (DMAREG(reg3) << 24)));                           \
 346         DMA_WRITE(1, val0);                                             \
 347         DMA_WRITE(2, val1);                                             \
 348         DMA_WRITE(3, val2);                                             \
 349         DMA_WRITE(4, val3);                                             \
 350         write += DMA_BLOCK_SIZE;                                        \
 351 } while (0)
 352
 353 /* Buffer aging via primary DMA stream head pointer.
 354  */
 355
 356 #define SET_AGE(age, h, w)                                              \
 357 do {                                                                    \
 358         (age)->head = h;                                                \
 359         (age)->wrap = w;                                                \
 360 } while (0)
 361
 362 #define TEST_AGE(age, h, w)             ((age)->wrap < w ||             \
 363                                          ((age)->wrap == w &&           \
 364                                           (age)->head < h))
 365
 366 #define AGE_BUFFER(buf_priv)                                            \
 367 do {                                                                    \
 368         drm_mga_freelist_t *entry = (buf_priv)->list_entry;             \
 369         if ((buf_priv)->dispatched) {                                   \
 370                 entry->age.head = (dev_priv->prim.tail +                \
 371                                    dev_priv->primary->offset);          \
 372                 entry->age.wrap = dev_priv->sarea_priv->last_wrap;      \
 373         } else {                                                        \
 374                 entry->age.head = 0;                                    \
 375                 entry->age.wrap = 0;                                    \
 376         }                                                               \
 377 } while (0)
 378
 379 #define MGA_ENGINE_IDLE_MASK            (MGA_SOFTRAPEN |                \
 380                                          MGA_DWGENGSTS |                \
 381                                          MGA_ENDPRDMASTS)
 382 #define MGA_DMA_IDLE_MASK               (MGA_SOFTRAPEN |                \
 383                                          MGA_ENDPRDMASTS)
 384
 385 #define MGA_DMA_DEBUG                   0
 386
 387 /* A reduced set of the mga registers.
 388  */
 389 #define MGA_CRTC_INDEX                  0x1fd4
 390 #define MGA_CRTC_DATA                   0x1fd5
 391
 392 /* CRTC11 */
 393 #define MGA_VINTCLR                     (1 << 4)
 394 #define MGA_VINTEN                      (1 << 5)
 395
 396 #define MGA_ALPHACTRL                   0x2c7c
 397 #define MGA_AR0                         0x1c60
 398 #define MGA_AR1                         0x1c64
 399 #define MGA_AR2                         0x1c68
 400 #define MGA_AR3                         0x1c6c
 401 #define MGA_AR4                         0x1c70
 402 #define MGA_AR5                         0x1c74
 403 #define MGA_AR6                         0x1c78
 404
 405 #define MGA_CXBNDRY                     0x1c80
 406 #define MGA_CXLEFT                      0x1ca0
 407 #define MGA_CXRIGHT                     0x1ca4
 408
 409 #define MGA_DMAPAD                      0x1c54
 410 #define MGA_DSTORG                      0x2cb8
 411 #define MGA_DWGCTL                      0x1c00
 412 #       define MGA_OPCOD_MASK                   (15 << 0)
 413 #       define MGA_OPCOD_TRAP                   (4 << 0)
 414 #       define MGA_OPCOD_TEXTURE_TRAP           (6 << 0)
 415 #       define MGA_OPCOD_BITBLT                 (8 << 0)
 416 #       define MGA_OPCOD_ILOAD                  (9 << 0)
 417 #       define MGA_ATYPE_MASK                   (7 << 4)
 418 #       define MGA_ATYPE_RPL                    (0 << 4)
 419 #       define MGA_ATYPE_RSTR                   (1 << 4)
 420 #       define MGA_ATYPE_ZI                     (3 << 4)
 421 #       define MGA_ATYPE_BLK                    (4 << 4)
 422 #       define MGA_ATYPE_I                      (7 << 4)
 423 #       define MGA_LINEAR                       (1 << 7)
 424 #       define MGA_ZMODE_MASK                   (7 << 8)
 425 #       define MGA_ZMODE_NOZCMP                 (0 << 8)
 426 #       define MGA_ZMODE_ZE                     (2 << 8)
 427 #       define MGA_ZMODE_ZNE                    (3 << 8)
 428 #       define MGA_ZMODE_ZLT                    (4 << 8)
 429 #       define MGA_ZMODE_ZLTE                   (5 << 8)
 430 #       define MGA_ZMODE_ZGT                    (6 << 8)
 431 #       define MGA_ZMODE_ZGTE                   (7 << 8)
 432 #       define MGA_SOLID                        (1 << 11)
 433 #       define MGA_ARZERO                       (1 << 12)
 434 #       define MGA_SGNZERO                      (1 << 13)
 435 #       define MGA_SHIFTZERO                    (1 << 14)
 436 #       define MGA_BOP_MASK                     (15 << 16)
 437 #       define MGA_BOP_ZERO                     (0 << 16)
 438 #       define MGA_BOP_DST                      (10 << 16)
 439 #       define MGA_BOP_SRC                      (12 << 16)
 440 #       define MGA_BOP_ONE                      (15 << 16)
 441 #       define MGA_TRANS_SHIFT                  20
 442 #       define MGA_TRANS_MASK                   (15 << 20)
 443 #       define MGA_BLTMOD_MASK                  (15 << 25)
 444 #       define MGA_BLTMOD_BMONOLEF              (0 << 25)
 445 #       define MGA_BLTMOD_BMONOWF               (4 << 25)
 446 #       define MGA_BLTMOD_PLAN                  (1 << 25)
 447 #       define MGA_BLTMOD_BFCOL                 (2 << 25)
 448 #       define MGA_BLTMOD_BU32BGR               (3 << 25)
 449 #       define MGA_BLTMOD_BU32RGB               (7 << 25)
 450 #       define MGA_BLTMOD_BU24BGR               (11 << 25)
 451 #       define MGA_BLTMOD_BU24RGB               (15 << 25)
 452 #       define MGA_PATTERN                      (1 << 29)
 453 #       define MGA_TRANSC                       (1 << 30)
 454 #       define MGA_CLIPDIS                      (1 << 31)
 455 #define MGA_DWGSYNC                     0x2c4c
 456
 457 #define MGA_FCOL                        0x1c24
 458 #define MGA_FIFOSTATUS                  0x1e10
 459 #define MGA_FOGCOL                      0x1cf4
 460 #define MGA_FXBNDRY                     0x1c84
 461 #define MGA_FXLEFT                      0x1ca8
 462 #define MGA_FXRIGHT                     0x1cac
 463
 464 #define MGA_ICLEAR                      0x1e18
 465 #       define MGA_SOFTRAPICLR                  (1 << 0)
 466 #       define MGA_VLINEICLR                    (1 << 5)
 467 #define MGA_IEN                         0x1e1c
 468 #       define MGA_SOFTRAPIEN                   (1 << 0)
 469 #       define MGA_VLINEIEN                     (1 << 5)
 470
 471 #define MGA_LEN                         0x1c5c
 472
 473 #define MGA_MACCESS                     0x1c04
 474
 475 #define MGA_PITCH                       0x1c8c
 476 #define MGA_PLNWT                       0x1c1c
 477 #define MGA_PRIMADDRESS                 0x1e58
 478 #       define MGA_DMA_GENERAL                  (0 << 0)
 479 #       define MGA_DMA_BLIT                     (1 << 0)
 480 #       define MGA_DMA_VECTOR                   (2 << 0)
 481 #       define MGA_DMA_VERTEX                   (3 << 0)
 482 #define MGA_PRIMEND                     0x1e5c
 483 #       define MGA_PRIMNOSTART                  (1 << 0)
 484 #       define MGA_PAGPXFER                     (1 << 1)
 485 #define MGA_PRIMPTR                     0x1e50
 486 #       define MGA_PRIMPTREN0                   (1 << 0)
 487 #       define MGA_PRIMPTREN1                   (1 << 1)
 488
 489 #define MGA_RST                         0x1e40
 490 #       define MGA_SOFTRESET                    (1 << 0)
 491 #       define MGA_SOFTEXTRST                   (1 << 1)
 492
 493 #define MGA_SECADDRESS                  0x2c40
 494 #define MGA_SECEND                      0x2c44
 495 #define MGA_SETUPADDRESS                0x2cd0
 496 #define MGA_SETUPEND                    0x2cd4
 497 #define MGA_SGN                         0x1c58
 498 #define MGA_SOFTRAP                     0x2c48
 499 #define MGA_SRCORG                      0x2cb4
 500 #       define MGA_SRMMAP_MASK                  (1 << 0)
 501 #       define MGA_SRCMAP_FB                    (0 << 0)
 502 #       define MGA_SRCMAP_SYSMEM                (1 << 0)
 503 #       define MGA_SRCACC_MASK                  (1 << 1)
 504 #       define MGA_SRCACC_PCI                   (0 << 1)
 505 #       define MGA_SRCACC_AGP                   (1 << 1)
 506 #define MGA_STATUS                      0x1e14
 507 #       define MGA_SOFTRAPEN                    (1 << 0)
 508 #       define MGA_VSYNCPEN                     (1 << 4)
 509 #       define MGA_VLINEPEN                     (1 << 5)
 510 #       define MGA_DWGENGSTS                    (1 << 16)
 511 #       define MGA_ENDPRDMASTS                  (1 << 17)
 512 #define MGA_STENCIL                     0x2cc8
 513 #define MGA_STENCILCTL                  0x2ccc
 514
 515 #define MGA_TDUALSTAGE0                 0x2cf8
 516 #define MGA_TDUALSTAGE1                 0x2cfc
 517 #define MGA_TEXBORDERCOL                0x2c5c
 518 #define MGA_TEXCTL                      0x2c30
 519 #define MGA_TEXCTL2                     0x2c3c
 520 #       define MGA_DUALTEX                      (1 << 7)
 521 #       define MGA_G400_TC2_MAGIC               (1 << 15)
 522 #       define MGA_MAP1_ENABLE                  (1 << 31)
 523 #define MGA_TEXFILTER                   0x2c58
 524 #define MGA_TEXHEIGHT                   0x2c2c
 525 #define MGA_TEXORG                      0x2c24
 526 #       define MGA_TEXORGMAP_MASK               (1 << 0)
 527 #       define MGA_TEXORGMAP_FB                 (0 << 0)
 528 #       define MGA_TEXORGMAP_SYSMEM             (1 << 0)
 529 #       define MGA_TEXORGACC_MASK               (1 << 1)
 530 #       define MGA_TEXORGACC_PCI                (0 << 1)
 531 #       define MGA_TEXORGACC_AGP                (1 << 1)
 532 #define MGA_TEXORG1                     0x2ca4
 533 #define MGA_TEXORG2                     0x2ca8
 534 #define MGA_TEXORG3                     0x2cac
 535 #define MGA_TEXORG4                     0x2cb0
 536 #define MGA_TEXTRANS                    0x2c34
 537 #define MGA_TEXTRANSHIGH                0x2c38
 538 #define MGA_TEXWIDTH                    0x2c28
 539
 540 #define MGA_WACCEPTSEQ                  0x1dd4
 541 #define MGA_WCODEADDR                   0x1e6c
 542 #define MGA_WFLAG                       0x1dc4
 543 #define MGA_WFLAG1                      0x1de0
 544 #define MGA_WFLAGNB                     0x1e64
 545 #define MGA_WFLAGNB1                    0x1e08
 546 #define MGA_WGETMSB                     0x1dc8
 547 #define MGA_WIADDR                      0x1dc0
 548 #define MGA_WIADDR2                     0x1dd8
 549 #       define MGA_WMODE_SUSPEND                (0 << 0)
 550 #       define MGA_WMODE_RESUME                 (1 << 0)
 551 #       define MGA_WMODE_JUMP                   (2 << 0)
 552 #       define MGA_WMODE_START                  (3 << 0)
 553 #       define MGA_WAGP_ENABLE                  (1 << 2)
 554 #define MGA_WMISC                       0x1e70
 555 #       define MGA_WUCODECACHE_ENABLE           (1 << 0)
 556 #       define MGA_WMASTER_ENABLE               (1 << 1)
 557 #       define MGA_WCACHEFLUSH_ENABLE           (1 << 3)
 558 #define MGA_WVRTXSZ                     0x1dcc
 559
 560 #define MGA_YBOT                        0x1c9c
 561 #define MGA_YDST                        0x1c90
 562 #define MGA_YDSTLEN                     0x1c88
 563 #define MGA_YDSTORG                     0x1c94
 564 #define MGA_YTOP                        0x1c98
 565
 566 #define MGA_ZORG                        0x1c0c
 567
 568 /* This finishes the current batch of commands
 569  */
 570 #define MGA_EXEC                        0x0100
 571
 572 /* AGP PLL encoding (for G200 only).
 573  */
 574 #define MGA_AGP_PLL                     0x1e4c
 575 #       define MGA_AGP2XPLL_DISABLE             (0 << 0)
 576 #       define MGA_AGP2XPLL_ENABLE              (1 << 0)
 577
 578 /* Warp registers
 579  */
 580 #define MGA_WR0                         0x2d00
 581 #define MGA_WR1                         0x2d04
 582 #define MGA_WR2                         0x2d08
 583 #define MGA_WR3                         0x2d0c
 584 #define MGA_WR4                         0x2d10
 585 #define MGA_WR5                         0x2d14
 586 #define MGA_WR6                         0x2d18
 587 #define MGA_WR7                         0x2d1c
 588 #define MGA_WR8                         0x2d20
 589 #define MGA_WR9                         0x2d24
 590 #define MGA_WR10                        0x2d28
 591 #define MGA_WR11                        0x2d2c
 592 #define MGA_WR12                        0x2d30
 593 #define MGA_WR13                        0x2d34
 594 #define MGA_WR14                        0x2d38
 595 #define MGA_WR15                        0x2d3c
 596 #define MGA_WR16                        0x2d40
 597 #define MGA_WR17                        0x2d44
 598 #define MGA_WR18                        0x2d48
 599 #define MGA_WR19                        0x2d4c
 600 #define MGA_WR20                        0x2d50
 601 #define MGA_WR21                        0x2d54
 602 #define MGA_WR22                        0x2d58
 603 #define MGA_WR23                        0x2d5c
 604 #define MGA_WR24                        0x2d60
 605 #define MGA_WR25                        0x2d64
 606 #define MGA_WR26                        0x2d68
 607 #define MGA_WR27                        0x2d6c
 608 #define MGA_WR28                        0x2d70
 609 #define MGA_WR29                        0x2d74
 610 #define MGA_WR30                        0x2d78
 611 #define MGA_WR31                        0x2d7c
 612 #define MGA_WR32                        0x2d80
 613 #define MGA_WR33                        0x2d84
 614 #define MGA_WR34                        0x2d88
 615 #define MGA_WR35                        0x2d8c
 616 #define MGA_WR36                        0x2d90
 617 #define MGA_WR37                        0x2d94
 618 #define MGA_WR38                        0x2d98
 619 #define MGA_WR39                        0x2d9c
 620 #define MGA_WR40                        0x2da0
 621 #define MGA_WR41                        0x2da4
 622 #define MGA_WR42                        0x2da8
 623 #define MGA_WR43                        0x2dac
 624 #define MGA_WR44                        0x2db0
 625 #define MGA_WR45                        0x2db4
 626 #define MGA_WR46                        0x2db8
 627 #define MGA_WR47                        0x2dbc
 628 #define MGA_WR48                        0x2dc0
 629 #define MGA_WR49                        0x2dc4
 630 #define MGA_WR50                        0x2dc8
 631 #define MGA_WR51                        0x2dcc
 632 #define MGA_WR52                        0x2dd0
 633 #define MGA_WR53                        0x2dd4
 634 #define MGA_WR54                        0x2dd8
 635 #define MGA_WR55                        0x2ddc
 636 #define MGA_WR56                        0x2de0
 637 #define MGA_WR57                        0x2de4
 638 #define MGA_WR58                        0x2de8
 639 #define MGA_WR59                        0x2dec
 640 #define MGA_WR60                        0x2df0
 641 #define MGA_WR61                        0x2df4
 642 #define MGA_WR62                        0x2df8
 643 #define MGA_WR63                        0x2dfc
 644 #       define MGA_G400_WR_MAGIC                (1 << 6)
 645 #       define MGA_G400_WR56_MAGIC              0x46480000      /* 12800.0f */
 646
 647 #define MGA_ILOAD_ALIGN         64
 648 #define MGA_ILOAD_MASK          (MGA_ILOAD_ALIGN - 1)
 649
 650 #define MGA_DWGCTL_FLUSH        (MGA_OPCOD_TEXTURE_TRAP |               \
 651                                  MGA_ATYPE_I |                          \
 652                                  MGA_ZMODE_NOZCMP |                     \
 653                                  MGA_ARZERO |                           \
 654                                  MGA_SGNZERO |                          \
 655                                  MGA_BOP_SRC |                          \
 656                                  (15 << MGA_TRANS_SHIFT))
 657
 658 #define MGA_DWGCTL_CLEAR        (MGA_OPCOD_TRAP |                       \
 659                                  MGA_ZMODE_NOZCMP |                     \
 660                                  MGA_SOLID |                            \
 661                                  MGA_ARZERO |                           \
 662                                  MGA_SGNZERO |                          \
 663                                  MGA_SHIFTZERO |                        \
 664                                  MGA_BOP_SRC |                          \
 665                                  (0 << MGA_TRANS_SHIFT) |               \
 666                                  MGA_BLTMOD_BMONOLEF |                  \
 667                                  MGA_TRANSC |                           \
 668                                  MGA_CLIPDIS)
 669
 670 #define MGA_DWGCTL_COPY         (MGA_OPCOD_BITBLT |                     \
 671                                  MGA_ATYPE_RPL |                        \
 672                                  MGA_SGNZERO |                          \
 673                                  MGA_SHIFTZERO |                        \
 674                                  MGA_BOP_SRC |                          \
 675                                  (0 << MGA_TRANS_SHIFT) |               \
 676                                  MGA_BLTMOD_BFCOL |                     \
 677                                  MGA_CLIPDIS)
 678
 679 /* Simple idle test.
 680  */
 681 static __inline__ int mga_is_idle(drm_mga_private_t *dev_priv)
 682 {
 683         u32 status = MGA_READ(MGA_STATUS) & MGA_ENGINE_IDLE_MASK;
 684         return (status == MGA_ENDPRDMASTS);
 685 }
 686
 687 #endif