Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/dev/drm/r128_drv.h
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1 /* r128_drv.h -- Private header for r128 driver -*- linux-c -*- 2 * Created: Mon Dec 13 09:51:11 1999 by faith@precisioninsight.com 3 */ 4 /*- 5 * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. 6 * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. 7 * All rights reserved. 8 * 9 * Permission is hereby granted, free of charge, to any person obtaining a 10 * copy of this software and associated documentation files (the "Software"), 11 * to deal in the Software without restriction, including without limitation 12 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 13 * and/or sell copies of the Software, and to permit persons to whom the 14 * Software is furnished to do so, subject to the following conditions: 15 * 16 * The above copyright notice and this permission notice (including the next 17 * paragraph) shall be included in all copies or substantial portions of the 18 * Software. 19 * 20 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 21 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 22 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 23 * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR 24 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 25 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 26 * DEALINGS IN THE SOFTWARE. 27 * 28 * Authors: 29 * Rickard E. (Rik) Faith <faith@valinux.com> 30 * Kevin E. Martin <martin@valinux.com> 31 * Gareth Hughes <gareth@valinux.com> 32 * Michel D�zer <daenzerm@student.ethz.ch> 33 */ 34 35 #include <sys/cdefs.h> 36 __FBSDID("$FreeBSD$"); 37 38 #ifndef __R128_DRV_H__ 39 #define __R128_DRV_H__ 40 41 /* General customization: 42 */ 43 #define DRIVER_AUTHOR "Gareth Hughes, VA Linux Systems Inc." 44 45 #define DRIVER_NAME "r128" 46 #define DRIVER_DESC "ATI Rage 128" 47 #define DRIVER_DATE "20030725" 48 49 /* Interface history: 50 * 51 * ?? - ?? 52 * 2.4 - Add support for ycbcr textures (no new ioctls) 53 * 2.5 - Add FLIP ioctl, disable FULLSCREEN. 54 */ 55 #define DRIVER_MAJOR 2 56 #define DRIVER_MINOR 5 57 #define DRIVER_PATCHLEVEL 0 58 59 #define GET_RING_HEAD(dev_priv) R128_READ( R128_PM4_BUFFER_DL_RPTR ) 60 61 typedef struct drm_r128_freelist { 62 unsigned int age; 63 struct drm_buf *buf; 64 struct drm_r128_freelist *next; 65 struct drm_r128_freelist *prev; 66 } drm_r128_freelist_t; 67 68 typedef struct drm_r128_ring_buffer { 69 u32 *start; 70 u32 *end; 71 int size; 72 int size_l2qw; 73 74 u32 tail; 75 u32 tail_mask; 76 int space; 77 78 int high_mark; 79 } drm_r128_ring_buffer_t; 80 81 typedef struct drm_r128_private { 82 drm_r128_ring_buffer_t ring; 83 drm_r128_sarea_t *sarea_priv; 84 85 int cce_mode; 86 int cce_fifo_size; 87 int cce_running; 88 89 drm_r128_freelist_t *head; 90 drm_r128_freelist_t *tail; 91 92 int usec_timeout; 93 int is_pci; 94 unsigned long cce_buffers_offset; 95 96 atomic_t idle_count; 97 98 int page_flipping; 99 int current_page; 100 u32 crtc_offset; 101 u32 crtc_offset_cntl; 102 103 atomic_t vbl_received; 104 105 u32 color_fmt; 106 unsigned int front_offset; 107 unsigned int front_pitch; 108 unsigned int back_offset; 109 unsigned int back_pitch; 110 111 u32 depth_fmt; 112 unsigned int depth_offset; 113 unsigned int depth_pitch; 114 unsigned int span_offset; 115 116 u32 front_pitch_offset_c; 117 u32 back_pitch_offset_c; 118 u32 depth_pitch_offset_c; 119 u32 span_pitch_offset_c; 120 121 drm_local_map_t *sarea; 122 drm_local_map_t *mmio; 123 drm_local_map_t *cce_ring; 124 drm_local_map_t *ring_rptr; 125 drm_local_map_t *agp_textures; 126 struct drm_ati_pcigart_info gart_info; 127 } drm_r128_private_t; 128 129 typedef struct drm_r128_buf_priv { 130 u32 age; 131 int prim; 132 int discard; 133 int dispatched; 134 drm_r128_freelist_t *list_entry; 135 } drm_r128_buf_priv_t; 136 137 extern struct drm_ioctl_desc r128_ioctls[]; 138 extern int r128_max_ioctl; 139 140 /* r128_cce.c */ 141 extern int r128_cce_init(struct drm_device *dev, void *data, struct drm_file *file_priv); 142 extern int r128_cce_start(struct drm_device *dev, void *data, struct drm_file *file_priv); 143 extern int r128_cce_stop(struct drm_device *dev, void *data, struct drm_file *file_priv); 144 extern int r128_cce_reset(struct drm_device *dev, void *data, struct drm_file *file_priv); 145 extern int r128_cce_idle(struct drm_device *dev, void *data, struct drm_file *file_priv); 146 extern int r128_engine_reset(struct drm_device *dev, void *data, struct drm_file *file_priv); 147 extern int r128_fullscreen(struct drm_device *dev, void *data, struct drm_file *file_priv); 148 extern int r128_cce_buffers(struct drm_device *dev, void *data, struct drm_file *file_priv); 149 150 extern void r128_freelist_reset(struct drm_device * dev); 151 152 extern int r128_wait_ring(drm_r128_private_t * dev_priv, int n); 153 154 extern int r128_do_cce_idle(drm_r128_private_t * dev_priv); 155 extern int r128_do_cleanup_cce(struct drm_device * dev); 156 157 extern int r128_enable_vblank(struct drm_device *dev, int crtc); 158 extern void r128_disable_vblank(struct drm_device *dev, int crtc); 159 extern u32 r128_get_vblank_counter(struct drm_device *dev, int crtc); 160 extern irqreturn_t r128_driver_irq_handler(DRM_IRQ_ARGS); 161 extern void r128_driver_irq_preinstall(struct drm_device * dev); 162 extern int r128_driver_irq_postinstall(struct drm_device * dev); 163 extern void r128_driver_irq_uninstall(struct drm_device * dev); 164 extern void r128_driver_lastclose(struct drm_device * dev); 165 extern int r128_driver_load(struct drm_device * dev, unsigned long flags); 166 extern void r128_driver_preclose(struct drm_device * dev, 167 struct drm_file *file_priv); 168 169 extern long r128_compat_ioctl(struct file *filp, unsigned int cmd, 170 unsigned long arg); 171 172 /* Register definitions, register access macros and drmAddMap constants 173 * for Rage 128 kernel driver. 174 */ 175 176 #define R128_AUX_SC_CNTL 0x1660 177 # define R128_AUX1_SC_EN (1 << 0) 178 # define R128_AUX1_SC_MODE_OR (0 << 1) 179 # define R128_AUX1_SC_MODE_NAND (1 << 1) 180 # define R128_AUX2_SC_EN (1 << 2) 181 # define R128_AUX2_SC_MODE_OR (0 << 3) 182 # define R128_AUX2_SC_MODE_NAND (1 << 3) 183 # define R128_AUX3_SC_EN (1 << 4) 184 # define R128_AUX3_SC_MODE_OR (0 << 5) 185 # define R128_AUX3_SC_MODE_NAND (1 << 5) 186 #define R128_AUX1_SC_LEFT 0x1664 187 #define R128_AUX1_SC_RIGHT 0x1668 188 #define R128_AUX1_SC_TOP 0x166c 189 #define R128_AUX1_SC_BOTTOM 0x1670 190 #define R128_AUX2_SC_LEFT 0x1674 191 #define R128_AUX2_SC_RIGHT 0x1678 192 #define R128_AUX2_SC_TOP 0x167c 193 #define R128_AUX2_SC_BOTTOM 0x1680 194 #define R128_AUX3_SC_LEFT 0x1684 195 #define R128_AUX3_SC_RIGHT 0x1688 196 #define R128_AUX3_SC_TOP 0x168c 197 #define R128_AUX3_SC_BOTTOM 0x1690 198 199 #define R128_BRUSH_DATA0 0x1480 200 #define R128_BUS_CNTL 0x0030 201 # define R128_BUS_MASTER_DIS (1 << 6) 202 203 #define R128_CLOCK_CNTL_INDEX 0x0008 204 #define R128_CLOCK_CNTL_DATA 0x000c 205 # define R128_PLL_WR_EN (1 << 7) 206 #define R128_CONSTANT_COLOR_C 0x1d34 207 #define R128_CRTC_OFFSET 0x0224 208 #define R128_CRTC_OFFSET_CNTL 0x0228 209 # define R128_CRTC_OFFSET_FLIP_CNTL (1 << 16) 210 211 #define R128_DP_GUI_MASTER_CNTL 0x146c 212 # define R128_GMC_SRC_PITCH_OFFSET_CNTL (1 << 0) 213 # define R128_GMC_DST_PITCH_OFFSET_CNTL (1 << 1) 214 # define R128_GMC_BRUSH_SOLID_COLOR (13 << 4) 215 # define R128_GMC_BRUSH_NONE (15 << 4) 216 # define R128_GMC_DST_16BPP (4 << 8) 217 # define R128_GMC_DST_24BPP (5 << 8) 218 # define R128_GMC_DST_32BPP (6 << 8) 219 # define R128_GMC_DST_DATATYPE_SHIFT 8 220 # define R128_GMC_SRC_DATATYPE_COLOR (3 << 12) 221 # define R128_DP_SRC_SOURCE_MEMORY (2 << 24) 222 # define R128_DP_SRC_SOURCE_HOST_DATA (3 << 24) 223 # define R128_GMC_CLR_CMP_CNTL_DIS (1 << 28) 224 # define R128_GMC_AUX_CLIP_DIS (1 << 29) 225 # define R128_GMC_WR_MSK_DIS (1 << 30) 226 # define R128_ROP3_S 0x00cc0000 227 # define R128_ROP3_P 0x00f00000 228 #define R128_DP_WRITE_MASK 0x16cc 229 #define R128_DST_PITCH_OFFSET_C 0x1c80 230 # define R128_DST_TILE (1 << 31) 231 232 #define R128_GEN_INT_CNTL 0x0040 233 # define R128_CRTC_VBLANK_INT_EN (1 << 0) 234 #define R128_GEN_INT_STATUS 0x0044 235 # define R128_CRTC_VBLANK_INT (1 << 0) 236 # define R128_CRTC_VBLANK_INT_AK (1 << 0) 237 #define R128_GEN_RESET_CNTL 0x00f0 238 # define R128_SOFT_RESET_GUI (1 << 0) 239 240 #define R128_GUI_SCRATCH_REG0 0x15e0 241 #define R128_GUI_SCRATCH_REG1 0x15e4 242 #define R128_GUI_SCRATCH_REG2 0x15e8 243 #define R128_GUI_SCRATCH_REG3 0x15ec 244 #define R128_GUI_SCRATCH_REG4 0x15f0 245 #define R128_GUI_SCRATCH_REG5 0x15f4 246 247 #define R128_GUI_STAT 0x1740 248 # define R128_GUI_FIFOCNT_MASK 0x0fff 249 # define R128_GUI_ACTIVE (1 << 31) 250 251 #define R128_MCLK_CNTL 0x000f 252 # define R128_FORCE_GCP (1 << 16) 253 # define R128_FORCE_PIPE3D_CP (1 << 17) 254 # define R128_FORCE_RCP (1 << 18) 255 256 #define R128_PC_GUI_CTLSTAT 0x1748 257 #define R128_PC_NGUI_CTLSTAT 0x0184 258 # define R128_PC_FLUSH_GUI (3 << 0) 259 # define R128_PC_RI_GUI (1 << 2) 260 # define R128_PC_FLUSH_ALL 0x00ff 261 # define R128_PC_BUSY (1 << 31) 262 263 #define R128_PCI_GART_PAGE 0x017c 264 #define R128_PRIM_TEX_CNTL_C 0x1cb0 265 266 #define R128_SCALE_3D_CNTL 0x1a00 267 #define R128_SEC_TEX_CNTL_C 0x1d00 268 #define R128_SEC_TEXTURE_BORDER_COLOR_C 0x1d3c 269 #define R128_SETUP_CNTL 0x1bc4 270 #define R128_STEN_REF_MASK_C 0x1d40 271 272 #define R128_TEX_CNTL_C 0x1c9c 273 # define R128_TEX_CACHE_FLUSH (1 << 23) 274 275 #define R128_WAIT_UNTIL 0x1720 276 # define R128_EVENT_CRTC_OFFSET (1 << 0) 277 #define R128_WINDOW_XY_OFFSET 0x1bcc 278 279 /* CCE registers 280 */ 281 #define R128_PM4_BUFFER_OFFSET 0x0700 282 #define R128_PM4_BUFFER_CNTL 0x0704 283 # define R128_PM4_MASK (15 << 28) 284 # define R128_PM4_NONPM4 (0 << 28) 285 # define R128_PM4_192PIO (1 << 28) 286 # define R128_PM4_192BM (2 << 28) 287 # define R128_PM4_128PIO_64INDBM (3 << 28) 288 # define R128_PM4_128BM_64INDBM (4 << 28) 289 # define R128_PM4_64PIO_128INDBM (5 << 28) 290 # define R128_PM4_64BM_128INDBM (6 << 28) 291 # define R128_PM4_64PIO_64VCBM_64INDBM (7 << 28) 292 # define R128_PM4_64BM_64VCBM_64INDBM (8 << 28) 293 # define R128_PM4_64PIO_64VCPIO_64INDPIO (15 << 28) 294 # define R128_PM4_BUFFER_CNTL_NOUPDATE (1 << 27) 295 296 #define R128_PM4_BUFFER_WM_CNTL 0x0708 297 # define R128_WMA_SHIFT 0 298 # define R128_WMB_SHIFT 8 299 # define R128_WMC_SHIFT 16 300 # define R128_WB_WM_SHIFT 24 301 302 #define R128_PM4_BUFFER_DL_RPTR_ADDR 0x070c 303 #define R128_PM4_BUFFER_DL_RPTR 0x0710 304 #define R128_PM4_BUFFER_DL_WPTR 0x0714 305 # define R128_PM4_BUFFER_DL_DONE (1 << 31) 306 307 #define R128_PM4_VC_FPU_SETUP 0x071c 308 309 #define R128_PM4_IW_INDOFF 0x0738 310 #define R128_PM4_IW_INDSIZE 0x073c 311 312 #define R128_PM4_STAT 0x07b8 313 # define R128_PM4_FIFOCNT_MASK 0x0fff 314 # define R128_PM4_BUSY (1 << 16) 315 # define R128_PM4_GUI_ACTIVE (1 << 31) 316 317 #define R128_PM4_MICROCODE_ADDR 0x07d4 318 #define R128_PM4_MICROCODE_RADDR 0x07d8 319 #define R128_PM4_MICROCODE_DATAH 0x07dc 320 #define R128_PM4_MICROCODE_DATAL 0x07e0 321 322 #define R128_PM4_BUFFER_ADDR 0x07f0 323 #define R128_PM4_MICRO_CNTL 0x07fc 324 # define R128_PM4_MICRO_FREERUN (1 << 30) 325 326 #define R128_PM4_FIFO_DATA_EVEN 0x1000 327 #define R128_PM4_FIFO_DATA_ODD 0x1004 328 329 /* CCE command packets 330 */ 331 #define R128_CCE_PACKET0 0x00000000 332 #define R128_CCE_PACKET1 0x40000000 333 #define R128_CCE_PACKET2 0x80000000 334 #define R128_CCE_PACKET3 0xC0000000 335 # define R128_CNTL_HOSTDATA_BLT 0x00009400 336 # define R128_CNTL_PAINT_MULTI 0x00009A00 337 # define R128_CNTL_BITBLT_MULTI 0x00009B00 338 # define R128_3D_RNDR_GEN_INDX_PRIM 0x00002300 339 340 #define R128_CCE_PACKET_MASK 0xC0000000 341 #define R128_CCE_PACKET_COUNT_MASK 0x3fff0000 342 #define R128_CCE_PACKET0_REG_MASK 0x000007ff 343 #define R128_CCE_PACKET1_REG0_MASK 0x000007ff 344 #define R128_CCE_PACKET1_REG1_MASK 0x003ff800 345 346 #define R128_CCE_VC_CNTL_PRIM_TYPE_NONE 0x00000000 347 #define R128_CCE_VC_CNTL_PRIM_TYPE_POINT 0x00000001 348 #define R128_CCE_VC_CNTL_PRIM_TYPE_LINE 0x00000002 349 #define R128_CCE_VC_CNTL_PRIM_TYPE_POLY_LINE 0x00000003 350 #define R128_CCE_VC_CNTL_PRIM_TYPE_TRI_LIST 0x00000004 351 #define R128_CCE_VC_CNTL_PRIM_TYPE_TRI_FAN 0x00000005 352 #define R128_CCE_VC_CNTL_PRIM_TYPE_TRI_STRIP 0x00000006 353 #define R128_CCE_VC_CNTL_PRIM_TYPE_TRI_TYPE2 0x00000007 354 #define R128_CCE_VC_CNTL_PRIM_WALK_IND 0x00000010 355 #define R128_CCE_VC_CNTL_PRIM_WALK_LIST 0x00000020 356 #define R128_CCE_VC_CNTL_PRIM_WALK_RING 0x00000030 357 #define R128_CCE_VC_CNTL_NUM_SHIFT 16 358 359 #define R128_DATATYPE_VQ 0 360 #define R128_DATATYPE_CI4 1 361 #define R128_DATATYPE_CI8 2 362 #define R128_DATATYPE_ARGB1555 3 363 #define R128_DATATYPE_RGB565 4 364 #define R128_DATATYPE_RGB888 5 365 #define R128_DATATYPE_ARGB8888 6 366 #define R128_DATATYPE_RGB332 7 367 #define R128_DATATYPE_Y8 8 368 #define R128_DATATYPE_RGB8 9 369 #define R128_DATATYPE_CI16 10 370 #define R128_DATATYPE_YVYU422 11 371 #define R128_DATATYPE_VYUY422 12 372 #define R128_DATATYPE_AYUV444 14 373 #define R128_DATATYPE_ARGB4444 15 374 375 /* Constants */ 376 #define R128_AGP_OFFSET 0x02000000 377 378 #define R128_WATERMARK_L 16 379 #define R128_WATERMARK_M 8 380 #define R128_WATERMARK_N 8 381 #define R128_WATERMARK_K 128 382 383 #define R128_MAX_USEC_TIMEOUT 100000 /* 100 ms */ 384 385 #define R128_LAST_FRAME_REG R128_GUI_SCRATCH_REG0 386 #define R128_LAST_DISPATCH_REG R128_GUI_SCRATCH_REG1 387 #define R128_MAX_VB_AGE 0x7fffffff 388 #define R128_MAX_VB_VERTS (0xffff) 389 390 #define R128_RING_HIGH_MARK 128 391 392 #define R128_PERFORMANCE_BOXES 0 393 394 #define R128_PCIGART_TABLE_SIZE 32768 395 396 #define R128_READ(reg) DRM_READ32( dev_priv->mmio, (reg) ) 397 #define R128_WRITE(reg,val) DRM_WRITE32( dev_priv->mmio, (reg), (val) ) 398 #define R128_READ8(reg) DRM_READ8( dev_priv->mmio, (reg) ) 399 #define R128_WRITE8(reg,val) DRM_WRITE8( dev_priv->mmio, (reg), (val) ) 400 401 #define R128_WRITE_PLL(addr,val) \ 402 do { \ 403 R128_WRITE8(R128_CLOCK_CNTL_INDEX, \ 404 ((addr) & 0x1f) | R128_PLL_WR_EN); \ 405 R128_WRITE(R128_CLOCK_CNTL_DATA, (val)); \ 406 } while (0) 407 408 #define CCE_PACKET0( reg, n ) (R128_CCE_PACKET0 | \ 409 ((n) << 16) | ((reg) >> 2)) 410 #define CCE_PACKET1( reg0, reg1 ) (R128_CCE_PACKET1 | \ 411 (((reg1) >> 2) << 11) | ((reg0) >> 2)) 412 #define CCE_PACKET2() (R128_CCE_PACKET2) 413 #define CCE_PACKET3( pkt, n ) (R128_CCE_PACKET3 | \ 414 (pkt) | ((n) << 16)) 415 416 static __inline__ void r128_update_ring_snapshot(drm_r128_private_t * dev_priv) 417 { 418 drm_r128_ring_buffer_t *ring = &dev_priv->ring; 419 ring->space = (GET_RING_HEAD(dev_priv) - ring->tail) * sizeof(u32); 420 if (ring->space <= 0) 421 ring->space += ring->size; 422 } 423 424 /* ================================================================ 425 * Misc helper macros 426 */ 427 428 #define RING_SPACE_TEST_WITH_RETURN( dev_priv ) \ 429 do { \ 430 drm_r128_ring_buffer_t *ring = &dev_priv->ring; int i; \ 431 if ( ring->space < ring->high_mark ) { \ 432 for ( i = 0 ; i < dev_priv->usec_timeout ; i++ ) { \ 433 r128_update_ring_snapshot( dev_priv ); \ 434 if ( ring->space >= ring->high_mark ) \ 435 goto __ring_space_done; \ 436 DRM_UDELAY(1); \ 437 } \ 438 DRM_ERROR( "ring space check failed!\n" ); \ 439 return -EBUSY; \ 440 } \ 441 __ring_space_done: \ 442 ; \ 443 } while (0) 444 445 #define VB_AGE_TEST_WITH_RETURN( dev_priv ) \ 446 do { \ 447 drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv; \ 448 if ( sarea_priv->last_dispatch >= R128_MAX_VB_AGE ) { \ 449 int __ret = r128_do_cce_idle( dev_priv ); \ 450 if ( __ret ) return __ret; \ 451 sarea_priv->last_dispatch = 0; \ 452 r128_freelist_reset( dev ); \ 453 } \ 454 } while (0) 455 456 #define R128_WAIT_UNTIL_PAGE_FLIPPED() do { \ 457 OUT_RING( CCE_PACKET0( R128_WAIT_UNTIL, 0 ) ); \ 458 OUT_RING( R128_EVENT_CRTC_OFFSET ); \ 459 } while (0) 460 461 /* ================================================================ 462 * Ring control 463 */ 464 465 #define R128_VERBOSE 0 466 467 #define RING_LOCALS \ 468 int write, _nr; unsigned int tail_mask; volatile u32 *ring; 469 470 #define BEGIN_RING( n ) do { \ 471 if ( R128_VERBOSE ) { \ 472 DRM_INFO( "BEGIN_RING( %d )\n", (n)); \ 473 } \ 474 if ( dev_priv->ring.space <= (n) * sizeof(u32) ) { \ 475 COMMIT_RING(); \ 476 r128_wait_ring( dev_priv, (n) * sizeof(u32) ); \ 477 } \ 478 _nr = n; dev_priv->ring.space -= (n) * sizeof(u32); \ 479 ring = dev_priv->ring.start; \ 480 write = dev_priv->ring.tail; \ 481 tail_mask = dev_priv->ring.tail_mask; \ 482 } while (0) 483 484 /* You can set this to zero if you want. If the card locks up, you'll 485 * need to keep this set. It works around a bug in early revs of the 486 * Rage 128 chipset, where the CCE would read 32 dwords past the end of 487 * the ring buffer before wrapping around. 488 */ 489 #define R128_BROKEN_CCE 1 490 491 #define ADVANCE_RING() do { \ 492 if ( R128_VERBOSE ) { \ 493 DRM_INFO( "ADVANCE_RING() wr=0x%06x tail=0x%06x\n", \ 494 write, dev_priv->ring.tail ); \ 495 } \ 496 if ( R128_BROKEN_CCE && write < 32 ) { \ 497 memcpy( dev_priv->ring.end, \ 498 dev_priv->ring.start, \ 499 write * sizeof(u32) ); \ 500 } \ 501 if (((dev_priv->ring.tail + _nr) & tail_mask) != write) { \ 502 DRM_ERROR( \ 503 "ADVANCE_RING(): mismatch: nr: %x write: %x line: %d\n", \ 504 ((dev_priv->ring.tail + _nr) & tail_mask), \ 505 write, __LINE__); \ 506 } else \ 507 dev_priv->ring.tail = write; \ 508 } while (0) 509 510 #define COMMIT_RING() do { \ 511 if ( R128_VERBOSE ) { \ 512 DRM_INFO( "COMMIT_RING() tail=0x%06x\n", \ 513 dev_priv->ring.tail ); \ 514 } \ 515 DRM_MEMORYBARRIER(); \ 516 R128_WRITE( R128_PM4_BUFFER_DL_WPTR, dev_priv->ring.tail ); \ 517 R128_READ( R128_PM4_BUFFER_DL_WPTR ); \ 518 } while (0) 519 520 #define OUT_RING( x ) do { \ 521 if ( R128_VERBOSE ) { \ 522 DRM_INFO( " OUT_RING( 0x%08x ) at 0x%x\n", \ 523 (unsigned int)(x), write ); \ 524 } \ 525 ring[write++] = cpu_to_le32( x ); \ 526 write &= tail_mask; \ 527 } while (0) 528 529 #endif /* __R128_DRV_H__ */
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