linux/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  * All rights reserved.
   6  *
   7  * Permission is hereby granted, free of charge, to any person obtaining a
   8  * copy of this software and associated documentation files (the "Software"),
   9  * to deal in the Software without restriction, including without limitation
  10  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  11  * and/or sell copies of the Software, and to permit persons to whom the
  12  * Software is furnished to do so, subject to the following conditions:
  13  *
  14  * The above copyright notice and this permission notice (including the next
  15  * paragraph) shall be included in all copies or substantial portions of the
  16  * Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  19  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  20  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  21  * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  22  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  23  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  24  * DEALINGS IN THE SOFTWARE.
  25  *
  26  * Authors: Rickard E. (Rik) Faith <faith@precisioninsight.com>
  27  *          Jeff Hartmann <jhartmann@precisioninsight.com>
  28  *
  29  * $XFree86$
  30  */
  31
  32 #ifndef _MGA_DRV_H_
  33 #define _MGA_DRV_H_
  34
  35 typedef struct {
  36         unsigned int num_dwords;
  37         unsigned int max_dwords;
  38         u32 *current_dma_ptr;
  39         u32 *head;
  40         u32 phys_head;
  41         int sec_used;
  42         int idx;
  43         int swap_pending;
  44         u32 in_use;
  45         atomic_t force_fire;
  46         atomic_t needs_overflow;
  47 } drm_mga_prim_buf_t;
  48
  49 typedef struct _drm_mga_freelist {
  50         unsigned int age;
  51         drm_buf_t *buf;
  52         struct _drm_mga_freelist *next;
  53         struct _drm_mga_freelist *prev;
  54 } drm_mga_freelist_t;
  55
  56 typedef struct _drm_mga_private {
  57         int reserved_map_idx;
  58         int buffer_map_idx;
  59         drm_mga_sarea_t *sarea_priv;
  60         int primary_size;
  61         int warp_ucode_size;
  62         int chipset;
  63         int frontOffset;
  64         int backOffset;
  65         int depthOffset;
  66         int textureOffset;
  67         int textureSize;
  68         int cpp;
  69         int stride;
  70         int sgram;
  71         int use_agp;
  72         drm_mga_warp_index_t WarpIndex[MGA_MAX_G400_PIPES];
  73         unsigned int WarpPipe;
  74         __volatile__ unsigned long softrap_age;
  75         u32 dispatch_lock;
  76         atomic_t in_flush;
  77         atomic_t in_wait;
  78         atomic_t pending_bufs;
  79         unsigned int last_sync_tag;
  80         unsigned int sync_tag;
  81         void *status_page;
  82         unsigned long real_status_page;
  83         u8 *ioremap;
  84         drm_mga_prim_buf_t **prim_bufs;
  85         drm_mga_prim_buf_t *next_prim;
  86         drm_mga_prim_buf_t *last_prim;
  87         drm_mga_prim_buf_t *current_prim;
  88         int current_prim_idx;
  89         struct pci_dev *device;
  90         drm_mga_freelist_t *head;
  91         drm_mga_freelist_t *tail;
  92         wait_queue_head_t flush_queue;  /* Processes waiting until flush    */
  93         wait_queue_head_t wait_queue;   /* Processes waiting until interrupt */
  94
  95         /* Some validated register values:
  96          */
  97         u32 mAccess;
  98 } drm_mga_private_t;
  99
 100                                 /* mga_drv.c */
 101 extern int  mga_init(void);
 102 extern void mga_cleanup(void);
 103 extern int  mga_version(struct inode *inode, struct file *filp,
 104                           unsigned int cmd, unsigned long arg);
 105 extern int  mga_open(struct inode *inode, struct file *filp);
 106 extern int  mga_release(struct inode *inode, struct file *filp);
 107 extern int  mga_ioctl(struct inode *inode, struct file *filp,
 108                         unsigned int cmd, unsigned long arg);
 109 extern int  mga_unlock(struct inode *inode, struct file *filp,
 110                          unsigned int cmd, unsigned long arg);
 111
 112                                 /* mga_dma.c */
 113 extern int  mga_dma_schedule(drm_device_t *dev, int locked);
 114 extern int  mga_dma(struct inode *inode, struct file *filp,
 115                       unsigned int cmd, unsigned long arg);
 116 extern int  mga_irq_install(drm_device_t *dev, int irq);
 117 extern int  mga_irq_uninstall(drm_device_t *dev);
 118 extern int  mga_control(struct inode *inode, struct file *filp,
 119                           unsigned int cmd, unsigned long arg);
 120 extern int  mga_lock(struct inode *inode, struct file *filp,
 121                        unsigned int cmd, unsigned long arg);
 122
 123 /* mga_dma_init does init and release */
 124 extern int mga_dma_init(struct inode *inode, struct file *filp,
 125                         unsigned int cmd, unsigned long arg);
 126 extern int mga_dma_cleanup(drm_device_t *dev);
 127 extern int mga_flush_ioctl(struct inode *inode, struct file *filp,
 128                            unsigned int cmd, unsigned long arg);
 129
 130 extern unsigned int mga_create_sync_tag(drm_device_t *dev);
 131 extern drm_buf_t *mga_freelist_get(drm_device_t *dev);
 132 extern int mga_freelist_put(drm_device_t *dev, drm_buf_t *buf);
 133 extern int mga_advance_primary(drm_device_t *dev);
 134
 135
 136                                 /* mga_bufs.c */
 137 extern int  mga_addbufs(struct inode *inode, struct file *filp,
 138                         unsigned int cmd, unsigned long arg);
 139 extern int  mga_infobufs(struct inode *inode, struct file *filp,
 140                          unsigned int cmd, unsigned long arg);
 141 extern int  mga_markbufs(struct inode *inode, struct file *filp,
 142                          unsigned int cmd, unsigned long arg);
 143 extern int  mga_freebufs(struct inode *inode, struct file *filp,
 144                          unsigned int cmd, unsigned long arg);
 145 extern int  mga_mapbufs(struct inode *inode, struct file *filp,
 146                         unsigned int cmd, unsigned long arg);
 147 extern int  mga_addmap(struct inode *inode, struct file *filp,
 148                        unsigned int cmd, unsigned long arg);
 149                                 /* mga_state.c */
 150 extern int  mga_clear_bufs(struct inode *inode, struct file *filp,
 151                            unsigned int cmd, unsigned long arg);
 152 extern int  mga_swap_bufs(struct inode *inode, struct file *filp,
 153                           unsigned int cmd, unsigned long arg);
 154 extern int  mga_iload(struct inode *inode, struct file *filp,
 155                       unsigned int cmd, unsigned long arg);
 156 extern int  mga_vertex(struct inode *inode, struct file *filp,
 157                       unsigned int cmd, unsigned long arg);
 158                                 /* mga_context.c */
 159 extern int  mga_resctx(struct inode *inode, struct file *filp,
 160                        unsigned int cmd, unsigned long arg);
 161 extern int  mga_addctx(struct inode *inode, struct file *filp,
 162                        unsigned int cmd, unsigned long arg);
 163 extern int  mga_modctx(struct inode *inode, struct file *filp,
 164                        unsigned int cmd, unsigned long arg);
 165 extern int  mga_getctx(struct inode *inode, struct file *filp,
 166                        unsigned int cmd, unsigned long arg);
 167 extern int  mga_switchctx(struct inode *inode, struct file *filp,
 168                           unsigned int cmd, unsigned long arg);
 169 extern int  mga_newctx(struct inode *inode, struct file *filp,
 170                        unsigned int cmd, unsigned long arg);
 171 extern int  mga_rmctx(struct inode *inode, struct file *filp,
 172                       unsigned int cmd, unsigned long arg);
 173
 174 extern int  mga_context_switch(drm_device_t *dev, int old, int new);
 175 extern int  mga_context_switch_complete(drm_device_t *dev, int new);
 176
 177
 178 typedef enum {
 179         TT_GENERAL,
 180         TT_BLIT,
 181         TT_VECTOR,
 182         TT_VERTEX
 183 } transferType_t;
 184
 185 typedef struct {
 186         drm_mga_freelist_t *my_freelist;
 187         int discard;
 188 } drm_mga_buf_priv_t;
 189
 190 #define DWGREG0         0x1c00
 191 #define DWGREG0_END     0x1dff
 192 #define DWGREG1         0x2c00
 193 #define DWGREG1_END     0x2dff
 194
 195 #define ISREG0(r)       (r >= DWGREG0 && r <= DWGREG0_END)
 196 #define ADRINDEX0(r)    (u8)((r - DWGREG0) >> 2)
 197 #define ADRINDEX1(r)    (u8)(((r - DWGREG1) >> 2) | 0x80)
 198 #define ADRINDEX(r)     (ISREG0(r) ? ADRINDEX0(r) : ADRINDEX1(r))
 199
 200 #define MGA_VERBOSE 0
 201 #define MGA_NUM_PRIM_BUFS       8
 202
 203 #define PRIMLOCALS      u8 tempIndex[4]; u32 *dma_ptr; u32 phys_head; \
 204                         int outcount, num_dwords
 205
 206 #define PRIM_OVERFLOW(dev, dev_priv, length) do {                       \
 207         drm_mga_prim_buf_t *tmp_buf =                                   \
 208                 dev_priv->prim_bufs[dev_priv->current_prim_idx];        \
 209         if( tmp_buf->max_dwords - tmp_buf->num_dwords < length ||       \
 210             tmp_buf->sec_used > MGA_DMA_BUF_NR/2) {                     \
 211                 atomic_set(&tmp_buf->force_fire, 1);                    \
 212                 mga_advance_primary(dev);                               \
 213                 mga_dma_schedule(dev, 1);                               \
 214         } else if( atomic_read(&tmp_buf->needs_overflow)) {             \
 215                 mga_advance_primary(dev);                               \
 216                 mga_dma_schedule(dev, 1);                               \
 217         }                                                               \
 218 } while(0)
 219
 220 #define PRIMGETPTR(dev_priv) do {                                       \
 221         drm_mga_prim_buf_t *tmp_buf =                                   \
 222                 dev_priv->prim_bufs[dev_priv->current_prim_idx];        \
 223         if(MGA_VERBOSE)                                                 \
 224                 DRM_DEBUG("PRIMGETPTR in %s\n", __FUNCTION__);          \
 225         dma_ptr = tmp_buf->current_dma_ptr;                             \
 226         num_dwords = tmp_buf->num_dwords;                               \
 227         phys_head = tmp_buf->phys_head;                                 \
 228         outcount = 0;                                                   \
 229 } while(0)
 230
 231 #define PRIMPTR(prim_buf) do {                                  \
 232         if(MGA_VERBOSE)                                         \
 233                 DRM_DEBUG("PRIMPTR in %s\n", __FUNCTION__);     \
 234         dma_ptr = prim_buf->current_dma_ptr;                    \
 235         num_dwords = prim_buf->num_dwords;                      \
 236         phys_head = prim_buf->phys_head;                        \
 237         outcount = 0;                                           \
 238 } while(0)
 239
 240 #define PRIMFINISH(prim_buf) do {                               \
 241         if (MGA_VERBOSE) {                                      \
 242                 DRM_DEBUG( "PRIMFINISH in %s\n", __FUNCTION__); \
 243                 if (outcount & 3)                               \
 244                       DRM_DEBUG(" --- truncation\n");           \
 245         }                                                       \
 246         prim_buf->num_dwords = num_dwords;                      \
 247         prim_buf->current_dma_ptr = dma_ptr;                    \
 248 } while(0)
 249
 250 #define PRIMADVANCE(dev_priv)   do {                            \
 251 drm_mga_prim_buf_t *tmp_buf =                                   \
 252         dev_priv->prim_bufs[dev_priv->current_prim_idx];        \
 253         if (MGA_VERBOSE) {                                      \
 254                 DRM_DEBUG("PRIMADVANCE in %s\n", __FUNCTION__); \
 255                 if (outcount & 3)                               \
 256                       DRM_DEBUG(" --- truncation\n");   \
 257         }                                                       \
 258         tmp_buf->num_dwords = num_dwords;                       \
 259         tmp_buf->current_dma_ptr = dma_ptr;                     \
 260 } while (0)
 261
 262 #define PRIMUPDATE(dev_priv)    do {                                    \
 263         drm_mga_prim_buf_t *tmp_buf =                                   \
 264                 dev_priv->prim_bufs[dev_priv->current_prim_idx];        \
 265         tmp_buf->sec_used++;                                            \
 266 } while (0)
 267
 268 #define PRIMOUTREG(reg, val) do {                                       \
 269         tempIndex[outcount]=ADRINDEX(reg);                              \
 270         dma_ptr[1+outcount] = val;                                      \
 271         if (MGA_VERBOSE)                                                \
 272                 DRM_DEBUG("   PRIMOUT %d: 0x%x -- 0x%x\n",              \
 273                        num_dwords + 1 + outcount, ADRINDEX(reg), val);  \
 274         if( ++outcount == 4) {                                          \
 275                 outcount = 0;                                           \
 276                 dma_ptr[0] = *(u32 *)tempIndex;                         \
 277                 dma_ptr+=5;                                             \
 278                 num_dwords += 5;                                        \
 279         }                                                               \
 280 }while (0)
 281
 282 /* A reduced set of the mga registers.
 283  */
 284
 285 #define MGAREG_MGA_EXEC                         0x0100
 286 #define MGAREG_ALPHACTRL                        0x2c7c
 287 #define MGAREG_AR0                              0x1c60
 288 #define MGAREG_AR1                              0x1c64
 289 #define MGAREG_AR2                              0x1c68
 290 #define MGAREG_AR3                              0x1c6c
 291 #define MGAREG_AR4                              0x1c70
 292 #define MGAREG_AR5                              0x1c74
 293 #define MGAREG_AR6                              0x1c78
 294 #define MGAREG_CXBNDRY                          0x1c80
 295 #define MGAREG_CXLEFT                           0x1ca0
 296 #define MGAREG_CXRIGHT                          0x1ca4
 297 #define MGAREG_DMAPAD                           0x1c54
 298 #define MGAREG_DSTORG                           0x2cb8
 299 #define MGAREG_DWGCTL                           0x1c00
 300 #define MGAREG_DWGSYNC                          0x2c4c
 301 #define MGAREG_FCOL                             0x1c24
 302 #define MGAREG_FIFOSTATUS                       0x1e10
 303 #define MGAREG_FOGCOL                           0x1cf4
 304 #define MGAREG_FXBNDRY                          0x1c84
 305 #define MGAREG_FXLEFT                           0x1ca8
 306 #define MGAREG_FXRIGHT                          0x1cac
 307 #define MGAREG_ICLEAR                           0x1e18
 308 #define MGAREG_IEN                              0x1e1c
 309 #define MGAREG_LEN                              0x1c5c
 310 #define MGAREG_MACCESS                          0x1c04
 311 #define MGAREG_PITCH                            0x1c8c
 312 #define MGAREG_PLNWT                            0x1c1c
 313 #define MGAREG_PRIMADDRESS                      0x1e58
 314 #define MGAREG_PRIMEND                          0x1e5c
 315 #define MGAREG_PRIMPTR                          0x1e50
 316 #define MGAREG_SECADDRESS                       0x2c40
 317 #define MGAREG_SECEND                           0x2c44
 318 #define MGAREG_SETUPADDRESS                     0x2cd0
 319 #define MGAREG_SETUPEND                         0x2cd4
 320 #define MGAREG_SOFTRAP                          0x2c48
 321 #define MGAREG_SRCORG                           0x2cb4
 322 #define MGAREG_STATUS                           0x1e14
 323 #define MGAREG_STENCIL                          0x2cc8
 324 #define MGAREG_STENCILCTL                       0x2ccc
 325 #define MGAREG_TDUALSTAGE0                      0x2cf8
 326 #define MGAREG_TDUALSTAGE1                      0x2cfc
 327 #define MGAREG_TEXBORDERCOL                     0x2c5c
 328 #define MGAREG_TEXCTL                           0x2c30
 329 #define MGAREG_TEXCTL2                          0x2c3c
 330 #define MGAREG_TEXFILTER                        0x2c58
 331 #define MGAREG_TEXHEIGHT                        0x2c2c
 332 #define MGAREG_TEXORG                           0x2c24
 333 #define MGAREG_TEXORG1                          0x2ca4
 334 #define MGAREG_TEXORG2                          0x2ca8
 335 #define MGAREG_TEXORG3                          0x2cac
 336 #define MGAREG_TEXORG4                          0x2cb0
 337 #define MGAREG_TEXTRANS                         0x2c34
 338 #define MGAREG_TEXTRANSHIGH                     0x2c38
 339 #define MGAREG_TEXWIDTH                         0x2c28
 340 #define MGAREG_WACCEPTSEQ                       0x1dd4
 341 #define MGAREG_WCODEADDR                        0x1e6c
 342 #define MGAREG_WFLAG                            0x1dc4
 343 #define MGAREG_WFLAG1                           0x1de0
 344 #define MGAREG_WFLAGNB                          0x1e64
 345 #define MGAREG_WFLAGNB1                         0x1e08
 346 #define MGAREG_WGETMSB                          0x1dc8
 347 #define MGAREG_WIADDR                           0x1dc0
 348 #define MGAREG_WIADDR2                          0x1dd8
 349 #define MGAREG_WMISC                            0x1e70
 350 #define MGAREG_WVRTXSZ                          0x1dcc
 351 #define MGAREG_YBOT                             0x1c9c
 352 #define MGAREG_YDST                             0x1c90
 353 #define MGAREG_YDSTLEN                          0x1c88
 354 #define MGAREG_YDSTORG                          0x1c94
 355 #define MGAREG_YTOP                             0x1c98
 356 #define MGAREG_ZORG                             0x1c0c
 357
 358 #define DC_atype_rstr                           0x10
 359 #define DC_atype_blk                            0x40
 360 #define PDEA_pagpxfer_enable                    0x2
 361 #define WIA_wmode_suspend                       0x0
 362 #define WIA_wmode_start                         0x3
 363 #define WIA_wagp_agp                            0x4
 364 #define DC_opcod_trap                           0x4
 365 #define DC_arzero_enable                        0x1000
 366 #define DC_sgnzero_enable                       0x2000
 367 #define DC_shftzero_enable                      0x4000
 368 #define DC_bop_SHIFT                            16
 369 #define DC_clipdis_enable                       0x80000000
 370 #define DC_solid_enable                         0x800
 371 #define DC_transc_enable                        0x40000000
 372 #define DC_opcod_bitblt                         0x8
 373 #define DC_atype_rpl                            0x0
 374 #define DC_linear_xy                            0x0
 375 #define DC_solid_disable                        0x0
 376 #define DC_arzero_disable                       0x0
 377 #define DC_bltmod_bfcol                         0x4000000
 378 #define DC_pattern_disable                      0x0
 379 #define DC_transc_disable                       0x0
 380
 381 #define MGA_CLEAR_CMD (DC_opcod_trap | DC_arzero_enable |               \
 382                        DC_sgnzero_enable | DC_shftzero_enable |         \
 383                        (0xC << DC_bop_SHIFT) | DC_clipdis_enable |      \
 384                        DC_solid_enable | DC_transc_enable)
 385
 386
 387 #define MGA_COPY_CMD (DC_opcod_bitblt | DC_atype_rpl | DC_linear_xy |   \
 388                       DC_solid_disable | DC_arzero_disable |            \
 389                       DC_sgnzero_enable | DC_shftzero_enable |          \
 390                       (0xC << DC_bop_SHIFT) | DC_bltmod_bfcol |         \
 391                       DC_pattern_disable | DC_transc_disable |          \
 392                       DC_clipdis_enable)                                \
 393
 394 #endif