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DRM from FreeBSD current, tested for r600
[dragonfly.git] / sys / dev / drm / radeon_state.c
bloba77f475c214d91ac0cb3951163e9bbdd32f20f83
1 /*-
2 * Copyright 2000 VA Linux Systems, Inc., Fremont, California.
3 * All Rights Reserved.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice (including the next
13 * paragraph) shall be included in all copies or substantial portions of the
14 * Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22 * DEALINGS IN THE SOFTWARE.
23 *
24 * Authors:
25 * Gareth Hughes <gareth@valinux.com>
26 * Kevin E. Martin <martin@valinux.com>
27 * __FBSDID("$FreeBSD: src/sys/dev/drm/radeon_state.c,v 1.27 2009/09/28 22:37:07 rnoland Exp $");
28 */
29
30 #include <sys/cdefs.h>
31
32 #include "dev/drm/drmP.h"
33 #include "dev/drm/drm.h"
34 #include "dev/drm/drm_sarea.h"
35 #include "dev/drm/radeon_drm.h"
36 #include "dev/drm/radeon_drv.h"
37
38 /* ================================================================
39 * Helper functions for client state checking and fixup
40 */
41
42 static __inline__ int radeon_check_and_fixup_offset(drm_radeon_private_t *
43 dev_priv,
44 struct drm_file *file_priv,
45 u32 *offset)
46 {
47 u64 off = *offset;
48 u32 fb_end = dev_priv->fb_location + dev_priv->fb_size - 1;
49 struct drm_radeon_driver_file_fields *radeon_priv;
50
51 /* Hrm ... the story of the offset ... So this function converts
52 * the various ideas of what userland clients might have for an
53 * offset in the card address space into an offset into the card
54 * address space :) So with a sane client, it should just keep
55 * the value intact and just do some boundary checking. However,
56 * not all clients are sane. Some older clients pass us 0 based
57 * offsets relative to the start of the framebuffer and some may
58 * assume the AGP aperture it appended to the framebuffer, so we
59 * try to detect those cases and fix them up.
60 *
61 * Note: It might be a good idea here to make sure the offset lands
62 * in some "allowed" area to protect things like the PCIE GART...
63 */
64
65 /* First, the best case, the offset already lands in either the
66 * framebuffer or the GART mapped space
67 */
68 if (radeon_check_offset(dev_priv, off))
69 return 0;
70
71 /* Ok, that didn't happen... now check if we have a zero based
72 * offset that fits in the framebuffer + gart space, apply the
73 * magic offset we get from SETPARAM or calculated from fb_location
74 */
75 if (off < (dev_priv->fb_size + dev_priv->gart_size)) {
76 radeon_priv = file_priv->driver_priv;
77 off += radeon_priv->radeon_fb_delta;
78 }
79
80 /* Finally, assume we aimed at a GART offset if beyond the fb */
81 if (off > fb_end)
82 off = off - fb_end - 1 + dev_priv->gart_vm_start;
83
84 /* Now recheck and fail if out of bounds */
85 if (radeon_check_offset(dev_priv, off)) {
86 DRM_DEBUG("offset fixed up to 0x%x\n", (unsigned int)off);
87 *offset = off;
88 return 0;
89 }
90 return -EINVAL;
91 }
92
93 static __inline__ int radeon_check_and_fixup_packets(drm_radeon_private_t *
94 dev_priv,
95 struct drm_file *file_priv,
96 int id, u32 *data)
97 {
98 switch (id) {
99
100 case RADEON_EMIT_PP_MISC:
101 if (radeon_check_and_fixup_offset(dev_priv, file_priv,
102 &data[(RADEON_RB3D_DEPTHOFFSET - RADEON_PP_MISC) / 4])) {
103 DRM_ERROR("Invalid depth buffer offset\n");
104 return -EINVAL;
105 }
106 break;
107
108 case RADEON_EMIT_PP_CNTL:
109 if (radeon_check_and_fixup_offset(dev_priv, file_priv,
110 &data[(RADEON_RB3D_COLOROFFSET - RADEON_PP_CNTL) / 4])) {
111 DRM_ERROR("Invalid colour buffer offset\n");
112 return -EINVAL;
113 }
114 break;
115
116 case R200_EMIT_PP_TXOFFSET_0:
117 case R200_EMIT_PP_TXOFFSET_1:
118 case R200_EMIT_PP_TXOFFSET_2:
119 case R200_EMIT_PP_TXOFFSET_3:
120 case R200_EMIT_PP_TXOFFSET_4:
121 case R200_EMIT_PP_TXOFFSET_5:
122 if (radeon_check_and_fixup_offset(dev_priv, file_priv,
123 &data[0])) {
124 DRM_ERROR("Invalid R200 texture offset\n");
125 return -EINVAL;
126 }
127 break;
128
129 case RADEON_EMIT_PP_TXFILTER_0:
130 case RADEON_EMIT_PP_TXFILTER_1:
131 case RADEON_EMIT_PP_TXFILTER_2:
132 if (radeon_check_and_fixup_offset(dev_priv, file_priv,
133 &data[(RADEON_PP_TXOFFSET_0 - RADEON_PP_TXFILTER_0) / 4])) {
134 DRM_ERROR("Invalid R100 texture offset\n");
135 return -EINVAL;
136 }
137 break;
138
139 case R200_EMIT_PP_CUBIC_OFFSETS_0:
140 case R200_EMIT_PP_CUBIC_OFFSETS_1:
141 case R200_EMIT_PP_CUBIC_OFFSETS_2:
142 case R200_EMIT_PP_CUBIC_OFFSETS_3:
143 case R200_EMIT_PP_CUBIC_OFFSETS_4:
144 case R200_EMIT_PP_CUBIC_OFFSETS_5:{
145 int i;
146 for (i = 0; i < 5; i++) {
147 if (radeon_check_and_fixup_offset(dev_priv,
148 file_priv,
149 &data[i])) {
150 DRM_ERROR
151 ("Invalid R200 cubic texture offset\n");
152 return -EINVAL;
153 }
154 }
155 break;
156 }
157
158 case RADEON_EMIT_PP_CUBIC_OFFSETS_T0:
159 case RADEON_EMIT_PP_CUBIC_OFFSETS_T1:
160 case RADEON_EMIT_PP_CUBIC_OFFSETS_T2:{
161 int i;
162 for (i = 0; i < 5; i++) {
163 if (radeon_check_and_fixup_offset(dev_priv,
164 file_priv,
165 &data[i])) {
166 DRM_ERROR
167 ("Invalid R100 cubic texture offset\n");
168 return -EINVAL;
169 }
170 }
171 }
172 break;
173
174 case R200_EMIT_VAP_CTL: {
175 RING_LOCALS;
176 BEGIN_RING(2);
177 OUT_RING_REG(RADEON_SE_TCL_STATE_FLUSH, 0);
178 ADVANCE_RING();
179 }
180 break;
181
182 case RADEON_EMIT_RB3D_COLORPITCH:
183 case RADEON_EMIT_RE_LINE_PATTERN:
184 case RADEON_EMIT_SE_LINE_WIDTH:
185 case RADEON_EMIT_PP_LUM_MATRIX:
186 case RADEON_EMIT_PP_ROT_MATRIX_0:
187 case RADEON_EMIT_RB3D_STENCILREFMASK:
188 case RADEON_EMIT_SE_VPORT_XSCALE:
189 case RADEON_EMIT_SE_CNTL:
190 case RADEON_EMIT_SE_CNTL_STATUS:
191 case RADEON_EMIT_RE_MISC:
192 case RADEON_EMIT_PP_BORDER_COLOR_0:
193 case RADEON_EMIT_PP_BORDER_COLOR_1:
194 case RADEON_EMIT_PP_BORDER_COLOR_2:
195 case RADEON_EMIT_SE_ZBIAS_FACTOR:
196 case RADEON_EMIT_SE_TCL_OUTPUT_VTX_FMT:
197 case RADEON_EMIT_SE_TCL_MATERIAL_EMMISSIVE_RED:
198 case R200_EMIT_PP_TXCBLEND_0:
199 case R200_EMIT_PP_TXCBLEND_1:
200 case R200_EMIT_PP_TXCBLEND_2:
201 case R200_EMIT_PP_TXCBLEND_3:
202 case R200_EMIT_PP_TXCBLEND_4:
203 case R200_EMIT_PP_TXCBLEND_5:
204 case R200_EMIT_PP_TXCBLEND_6:
205 case R200_EMIT_PP_TXCBLEND_7:
206 case R200_EMIT_TCL_LIGHT_MODEL_CTL_0:
207 case R200_EMIT_TFACTOR_0:
208 case R200_EMIT_VTX_FMT_0:
209 case R200_EMIT_MATRIX_SELECT_0:
210 case R200_EMIT_TEX_PROC_CTL_2:
211 case R200_EMIT_TCL_UCP_VERT_BLEND_CTL:
212 case R200_EMIT_PP_TXFILTER_0:
213 case R200_EMIT_PP_TXFILTER_1:
214 case R200_EMIT_PP_TXFILTER_2:
215 case R200_EMIT_PP_TXFILTER_3:
216 case R200_EMIT_PP_TXFILTER_4:
217 case R200_EMIT_PP_TXFILTER_5:
218 case R200_EMIT_VTE_CNTL:
219 case R200_EMIT_OUTPUT_VTX_COMP_SEL:
220 case R200_EMIT_PP_TAM_DEBUG3:
221 case R200_EMIT_PP_CNTL_X:
222 case R200_EMIT_RB3D_DEPTHXY_OFFSET:
223 case R200_EMIT_RE_AUX_SCISSOR_CNTL:
224 case R200_EMIT_RE_SCISSOR_TL_0:
225 case R200_EMIT_RE_SCISSOR_TL_1:
226 case R200_EMIT_RE_SCISSOR_TL_2:
227 case R200_EMIT_SE_VAP_CNTL_STATUS:
228 case R200_EMIT_SE_VTX_STATE_CNTL:
229 case R200_EMIT_RE_POINTSIZE:
230 case R200_EMIT_TCL_INPUT_VTX_VECTOR_ADDR_0:
231 case R200_EMIT_PP_CUBIC_FACES_0:
232 case R200_EMIT_PP_CUBIC_FACES_1:
233 case R200_EMIT_PP_CUBIC_FACES_2:
234 case R200_EMIT_PP_CUBIC_FACES_3:
235 case R200_EMIT_PP_CUBIC_FACES_4:
236 case R200_EMIT_PP_CUBIC_FACES_5:
237 case RADEON_EMIT_PP_TEX_SIZE_0:
238 case RADEON_EMIT_PP_TEX_SIZE_1:
239 case RADEON_EMIT_PP_TEX_SIZE_2:
240 case R200_EMIT_RB3D_BLENDCOLOR:
241 case R200_EMIT_TCL_POINT_SPRITE_CNTL:
242 case RADEON_EMIT_PP_CUBIC_FACES_0:
243 case RADEON_EMIT_PP_CUBIC_FACES_1:
244 case RADEON_EMIT_PP_CUBIC_FACES_2:
245 case R200_EMIT_PP_TRI_PERF_CNTL:
246 case R200_EMIT_PP_AFS_0:
247 case R200_EMIT_PP_AFS_1:
248 case R200_EMIT_ATF_TFACTOR:
249 case R200_EMIT_PP_TXCTLALL_0:
250 case R200_EMIT_PP_TXCTLALL_1:
251 case R200_EMIT_PP_TXCTLALL_2:
252 case R200_EMIT_PP_TXCTLALL_3:
253 case R200_EMIT_PP_TXCTLALL_4:
254 case R200_EMIT_PP_TXCTLALL_5:
255 case R200_EMIT_VAP_PVS_CNTL:
256 /* These packets don't contain memory offsets */
257 break;
258
259 default:
260 DRM_ERROR("Unknown state packet ID %d\n", id);
261 return -EINVAL;
262 }
263
264 return 0;
265 }
266
267 static __inline__ int radeon_check_and_fixup_packet3(drm_radeon_private_t *
268 dev_priv,
269 struct drm_file *file_priv,
270 drm_radeon_kcmd_buffer_t *
271 cmdbuf,
272 unsigned int *cmdsz)
273 {
274 u32 *cmd = (u32 *) cmdbuf->buf;
275 u32 offset, narrays;
276 int count, i, k;
277
278 *cmdsz = 2 + ((cmd[0] & RADEON_CP_PACKET_COUNT_MASK) >> 16);
279
280 if ((cmd[0] & 0xc0000000) != RADEON_CP_PACKET3) {
281 DRM_ERROR("Not a type 3 packet\n");
282 return -EINVAL;
283 }
284
285 if (4 * *cmdsz > cmdbuf->bufsz) {
286 DRM_ERROR("Packet size larger than size of data provided\n");
287 return -EINVAL;
288 }
289
290 switch(cmd[0] & 0xff00) {
291 /* XXX Are there old drivers needing other packets? */
292
293 case RADEON_3D_DRAW_IMMD:
294 case RADEON_3D_DRAW_VBUF:
295 case RADEON_3D_DRAW_INDX:
296 case RADEON_WAIT_FOR_IDLE:
297 case RADEON_CP_NOP:
298 case RADEON_3D_CLEAR_ZMASK:
299 /* case RADEON_CP_NEXT_CHAR:
300 case RADEON_CP_PLY_NEXTSCAN:
301 case RADEON_CP_SET_SCISSORS: */ /* probably safe but will never need them? */
302 /* these packets are safe */
303 break;
304
305 case RADEON_CP_3D_DRAW_IMMD_2:
306 case RADEON_CP_3D_DRAW_VBUF_2:
307 case RADEON_CP_3D_DRAW_INDX_2:
308 case RADEON_3D_CLEAR_HIZ:
309 /* safe but r200 only */
310 if (dev_priv->microcode_version != UCODE_R200) {
311 DRM_ERROR("Invalid 3d packet for r100-class chip\n");
312 return -EINVAL;
313 }
314 break;
315
316 case RADEON_3D_LOAD_VBPNTR:
317 count = (cmd[0] >> 16) & 0x3fff;
318
319 if (count > 18) { /* 12 arrays max */
320 DRM_ERROR("Too large payload in 3D_LOAD_VBPNTR (count=%d)\n",
321 count);
322 return -EINVAL;
323 }
324
325 /* carefully check packet contents */
326 narrays = cmd[1] & ~0xc000;
327 k = 0;
328 i = 2;
329 while ((k < narrays) && (i < (count + 2))) {
330 i++; /* skip attribute field */
331 if (radeon_check_and_fixup_offset(dev_priv, file_priv,
332 &cmd[i])) {
333 DRM_ERROR
334 ("Invalid offset (k=%d i=%d) in 3D_LOAD_VBPNTR packet.\n",
335 k, i);
336 return -EINVAL;
337 }
338 k++;
339 i++;
340 if (k == narrays)
341 break;
342 /* have one more to process, they come in pairs */
343 if (radeon_check_and_fixup_offset(dev_priv,
344 file_priv, &cmd[i]))
345 {
346 DRM_ERROR
347 ("Invalid offset (k=%d i=%d) in 3D_LOAD_VBPNTR packet.\n",
348 k, i);
349 return -EINVAL;
350 }
351 k++;
352 i++;
353 }
354 /* do the counts match what we expect ? */
355 if ((k != narrays) || (i != (count + 2))) {
356 DRM_ERROR
357 ("Malformed 3D_LOAD_VBPNTR packet (k=%d i=%d narrays=%d count+1=%d).\n",
358 k, i, narrays, count + 1);
359 return -EINVAL;
360 }
361 break;
362
363 case RADEON_3D_RNDR_GEN_INDX_PRIM:
364 if (dev_priv->microcode_version != UCODE_R100) {
365 DRM_ERROR("Invalid 3d packet for r200-class chip\n");
366 return -EINVAL;
367 }
368 if (radeon_check_and_fixup_offset(dev_priv, file_priv, &cmd[1])) {
369 DRM_ERROR("Invalid rndr_gen_indx offset\n");
370 return -EINVAL;
371 }
372 break;
373
374 case RADEON_CP_INDX_BUFFER:
375 if (dev_priv->microcode_version != UCODE_R200) {
376 DRM_ERROR("Invalid 3d packet for r100-class chip\n");
377 return -EINVAL;
378 }
379 if ((cmd[1] & 0x8000ffff) != 0x80000810) {
380 DRM_ERROR("Invalid indx_buffer reg address %08X\n", cmd[1]);
381 return -EINVAL;
382 }
383 if (radeon_check_and_fixup_offset(dev_priv, file_priv, &cmd[2])) {
384 DRM_ERROR("Invalid indx_buffer offset is %08X\n", cmd[2]);
385 return -EINVAL;
386 }
387 break;
388
389 case RADEON_CNTL_HOSTDATA_BLT:
390 case RADEON_CNTL_PAINT_MULTI:
391 case RADEON_CNTL_BITBLT_MULTI:
392 /* MSB of opcode: next DWORD GUI_CNTL */
393 if (cmd[1] & (RADEON_GMC_SRC_PITCH_OFFSET_CNTL
394 | RADEON_GMC_DST_PITCH_OFFSET_CNTL)) {
395 offset = cmd[2] << 10;
396 if (radeon_check_and_fixup_offset
397 (dev_priv, file_priv, &offset)) {
398 DRM_ERROR("Invalid first packet offset\n");
399 return -EINVAL;
400 }
401 cmd[2] = (cmd[2] & 0xffc00000) | offset >> 10;
402 }
403
404 if ((cmd[1] & RADEON_GMC_SRC_PITCH_OFFSET_CNTL) &&
405 (cmd[1] & RADEON_GMC_DST_PITCH_OFFSET_CNTL)) {
406 offset = cmd[3] << 10;
407 if (radeon_check_and_fixup_offset
408 (dev_priv, file_priv, &offset)) {
409 DRM_ERROR("Invalid second packet offset\n");
410 return -EINVAL;
411 }
412 cmd[3] = (cmd[3] & 0xffc00000) | offset >> 10;
413 }
414 break;
415
416 default:
417 DRM_ERROR("Invalid packet type %x\n", cmd[0] & 0xff00);
418 return -EINVAL;
419 }
420
421 return 0;
422 }
423
424 /* ================================================================
425 * CP hardware state programming functions
426 */
427
428 static __inline__ void radeon_emit_clip_rect(drm_radeon_private_t * dev_priv,
429 struct drm_clip_rect * box)
430 {
431 RING_LOCALS;
432
433 DRM_DEBUG(" box: x1=%d y1=%d x2=%d y2=%d\n",
434 box->x1, box->y1, box->x2, box->y2);
435
436 BEGIN_RING(4);
437 OUT_RING(CP_PACKET0(RADEON_RE_TOP_LEFT, 0));
438 OUT_RING((box->y1 << 16) | box->x1);
439 OUT_RING(CP_PACKET0(RADEON_RE_WIDTH_HEIGHT, 0));
440 OUT_RING(((box->y2 - 1) << 16) | (box->x2 - 1));
441 ADVANCE_RING();
442 }
443
444 /* Emit 1.1 state
445 */
446 static int radeon_emit_state(drm_radeon_private_t * dev_priv,
447 struct drm_file *file_priv,
448 drm_radeon_context_regs_t * ctx,
449 drm_radeon_texture_regs_t * tex,
450 unsigned int dirty)
451 {
452 RING_LOCALS;
453 DRM_DEBUG("dirty=0x%08x\n", dirty);
454
455 if (dirty & RADEON_UPLOAD_CONTEXT) {
456 if (radeon_check_and_fixup_offset(dev_priv, file_priv,
457 &ctx->rb3d_depthoffset)) {
458 DRM_ERROR("Invalid depth buffer offset\n");
459 return -EINVAL;
460 }
461
462 if (radeon_check_and_fixup_offset(dev_priv, file_priv,
463 &ctx->rb3d_coloroffset)) {
464 DRM_ERROR("Invalid depth buffer offset\n");
465 return -EINVAL;
466 }
467
468 BEGIN_RING(14);
469 OUT_RING(CP_PACKET0(RADEON_PP_MISC, 6));
470 OUT_RING(ctx->pp_misc);
471 OUT_RING(ctx->pp_fog_color);
472 OUT_RING(ctx->re_solid_color);
473 OUT_RING(ctx->rb3d_blendcntl);
474 OUT_RING(ctx->rb3d_depthoffset);
475 OUT_RING(ctx->rb3d_depthpitch);
476 OUT_RING(ctx->rb3d_zstencilcntl);
477 OUT_RING(CP_PACKET0(RADEON_PP_CNTL, 2));
478 OUT_RING(ctx->pp_cntl);
479 OUT_RING(ctx->rb3d_cntl);
480 OUT_RING(ctx->rb3d_coloroffset);
481 OUT_RING(CP_PACKET0(RADEON_RB3D_COLORPITCH, 0));
482 OUT_RING(ctx->rb3d_colorpitch);
483 ADVANCE_RING();
484 }
485
486 if (dirty & RADEON_UPLOAD_VERTFMT) {
487 BEGIN_RING(2);
488 OUT_RING(CP_PACKET0(RADEON_SE_COORD_FMT, 0));
489 OUT_RING(ctx->se_coord_fmt);
490 ADVANCE_RING();
491 }
492
493 if (dirty & RADEON_UPLOAD_LINE) {
494 BEGIN_RING(5);
495 OUT_RING(CP_PACKET0(RADEON_RE_LINE_PATTERN, 1));
496 OUT_RING(ctx->re_line_pattern);
497 OUT_RING(ctx->re_line_state);
498 OUT_RING(CP_PACKET0(RADEON_SE_LINE_WIDTH, 0));
499 OUT_RING(ctx->se_line_width);
500 ADVANCE_RING();
501 }
502
503 if (dirty & RADEON_UPLOAD_BUMPMAP) {
504 BEGIN_RING(5);
505 OUT_RING(CP_PACKET0(RADEON_PP_LUM_MATRIX, 0));
506 OUT_RING(ctx->pp_lum_matrix);
507 OUT_RING(CP_PACKET0(RADEON_PP_ROT_MATRIX_0, 1));
508 OUT_RING(ctx->pp_rot_matrix_0);
509 OUT_RING(ctx->pp_rot_matrix_1);
510 ADVANCE_RING();
511 }
512
513 if (dirty & RADEON_UPLOAD_MASKS) {
514 BEGIN_RING(4);
515 OUT_RING(CP_PACKET0(RADEON_RB3D_STENCILREFMASK, 2));
516 OUT_RING(ctx->rb3d_stencilrefmask);
517 OUT_RING(ctx->rb3d_ropcntl);
518 OUT_RING(ctx->rb3d_planemask);
519 ADVANCE_RING();
520 }
521
522 if (dirty & RADEON_UPLOAD_VIEWPORT) {
523 BEGIN_RING(7);
524 OUT_RING(CP_PACKET0(RADEON_SE_VPORT_XSCALE, 5));
525 OUT_RING(ctx->se_vport_xscale);
526 OUT_RING(ctx->se_vport_xoffset);
527 OUT_RING(ctx->se_vport_yscale);
528 OUT_RING(ctx->se_vport_yoffset);
529 OUT_RING(ctx->se_vport_zscale);
530 OUT_RING(ctx->se_vport_zoffset);
531 ADVANCE_RING();
532 }
533
534 if (dirty & RADEON_UPLOAD_SETUP) {
535 BEGIN_RING(4);
536 OUT_RING(CP_PACKET0(RADEON_SE_CNTL, 0));
537 OUT_RING(ctx->se_cntl);
538 OUT_RING(CP_PACKET0(RADEON_SE_CNTL_STATUS, 0));
539 OUT_RING(ctx->se_cntl_status);
540 ADVANCE_RING();
541 }
542
543 if (dirty & RADEON_UPLOAD_MISC) {
544 BEGIN_RING(2);
545 OUT_RING(CP_PACKET0(RADEON_RE_MISC, 0));
546 OUT_RING(ctx->re_misc);
547 ADVANCE_RING();
548 }
549
550 if (dirty & RADEON_UPLOAD_TEX0) {
551 if (radeon_check_and_fixup_offset(dev_priv, file_priv,
552 &tex[0].pp_txoffset)) {
553 DRM_ERROR("Invalid texture offset for unit 0\n");
554 return -EINVAL;
555 }
556
557 BEGIN_RING(9);
558 OUT_RING(CP_PACKET0(RADEON_PP_TXFILTER_0, 5));
559 OUT_RING(tex[0].pp_txfilter);
560 OUT_RING(tex[0].pp_txformat);
561 OUT_RING(tex[0].pp_txoffset);
562 OUT_RING(tex[0].pp_txcblend);
563 OUT_RING(tex[0].pp_txablend);
564 OUT_RING(tex[0].pp_tfactor);
565 OUT_RING(CP_PACKET0(RADEON_PP_BORDER_COLOR_0, 0));
566 OUT_RING(tex[0].pp_border_color);
567 ADVANCE_RING();
568 }
569
570 if (dirty & RADEON_UPLOAD_TEX1) {
571 if (radeon_check_and_fixup_offset(dev_priv, file_priv,
572 &tex[1].pp_txoffset)) {
573 DRM_ERROR("Invalid texture offset for unit 1\n");
574 return -EINVAL;
575 }
576
577 BEGIN_RING(9);
578 OUT_RING(CP_PACKET0(RADEON_PP_TXFILTER_1, 5));
579 OUT_RING(tex[1].pp_txfilter);
580 OUT_RING(tex[1].pp_txformat);
581 OUT_RING(tex[1].pp_txoffset);
582 OUT_RING(tex[1].pp_txcblend);
583 OUT_RING(tex[1].pp_txablend);
584 OUT_RING(tex[1].pp_tfactor);
585 OUT_RING(CP_PACKET0(RADEON_PP_BORDER_COLOR_1, 0));
586 OUT_RING(tex[1].pp_border_color);
587 ADVANCE_RING();
588 }
589
590 if (dirty & RADEON_UPLOAD_TEX2) {
591 if (radeon_check_and_fixup_offset(dev_priv, file_priv,
592 &tex[2].pp_txoffset)) {
593 DRM_ERROR("Invalid texture offset for unit 2\n");
594 return -EINVAL;
595 }
596
597 BEGIN_RING(9);
598 OUT_RING(CP_PACKET0(RADEON_PP_TXFILTER_2, 5));
599 OUT_RING(tex[2].pp_txfilter);
600 OUT_RING(tex[2].pp_txformat);
601 OUT_RING(tex[2].pp_txoffset);
602 OUT_RING(tex[2].pp_txcblend);
603 OUT_RING(tex[2].pp_txablend);
604 OUT_RING(tex[2].pp_tfactor);
605 OUT_RING(CP_PACKET0(RADEON_PP_BORDER_COLOR_2, 0));
606 OUT_RING(tex[2].pp_border_color);
607 ADVANCE_RING();
608 }
609
610 return 0;
611 }
612
613 /* Emit 1.2 state
614 */
615 static int radeon_emit_state2(drm_radeon_private_t * dev_priv,
616 struct drm_file *file_priv,
617 drm_radeon_state_t * state)
618 {
619 RING_LOCALS;
620
621 if (state->dirty & RADEON_UPLOAD_ZBIAS) {
622 BEGIN_RING(3);
623 OUT_RING(CP_PACKET0(RADEON_SE_ZBIAS_FACTOR, 1));
624 OUT_RING(state->context2.se_zbias_factor);
625 OUT_RING(state->context2.se_zbias_constant);
626 ADVANCE_RING();
627 }
628
629 return radeon_emit_state(dev_priv, file_priv, &state->context,
630 state->tex, state->dirty);
631 }
632
633 /* New (1.3) state mechanism. 3 commands (packet, scalar, vector) in
634 * 1.3 cmdbuffers allow all previous state to be updated as well as
635 * the tcl scalar and vector areas.
636 */
637 static struct {
638 int start;
639 int len;
640 const char *name;
641 } packet[RADEON_MAX_STATE_PACKETS] = {
642 {RADEON_PP_MISC, 7, "RADEON_PP_MISC"},
643 {RADEON_PP_CNTL, 3, "RADEON_PP_CNTL"},
644 {RADEON_RB3D_COLORPITCH, 1, "RADEON_RB3D_COLORPITCH"},
645 {RADEON_RE_LINE_PATTERN, 2, "RADEON_RE_LINE_PATTERN"},
646 {RADEON_SE_LINE_WIDTH, 1, "RADEON_SE_LINE_WIDTH"},
647 {RADEON_PP_LUM_MATRIX, 1, "RADEON_PP_LUM_MATRIX"},
648 {RADEON_PP_ROT_MATRIX_0, 2, "RADEON_PP_ROT_MATRIX_0"},
649 {RADEON_RB3D_STENCILREFMASK, 3, "RADEON_RB3D_STENCILREFMASK"},
650 {RADEON_SE_VPORT_XSCALE, 6, "RADEON_SE_VPORT_XSCALE"},
651 {RADEON_SE_CNTL, 2, "RADEON_SE_CNTL"},
652 {RADEON_SE_CNTL_STATUS, 1, "RADEON_SE_CNTL_STATUS"},
653 {RADEON_RE_MISC, 1, "RADEON_RE_MISC"},
654 {RADEON_PP_TXFILTER_0, 6, "RADEON_PP_TXFILTER_0"},
655 {RADEON_PP_BORDER_COLOR_0, 1, "RADEON_PP_BORDER_COLOR_0"},
656 {RADEON_PP_TXFILTER_1, 6, "RADEON_PP_TXFILTER_1"},
657 {RADEON_PP_BORDER_COLOR_1, 1, "RADEON_PP_BORDER_COLOR_1"},
658 {RADEON_PP_TXFILTER_2, 6, "RADEON_PP_TXFILTER_2"},
659 {RADEON_PP_BORDER_COLOR_2, 1, "RADEON_PP_BORDER_COLOR_2"},
660 {RADEON_SE_ZBIAS_FACTOR, 2, "RADEON_SE_ZBIAS_FACTOR"},
661 {RADEON_SE_TCL_OUTPUT_VTX_FMT, 11, "RADEON_SE_TCL_OUTPUT_VTX_FMT"},
662 {RADEON_SE_TCL_MATERIAL_EMMISSIVE_RED, 17,
663 "RADEON_SE_TCL_MATERIAL_EMMISSIVE_RED"},
664 {R200_PP_TXCBLEND_0, 4, "R200_PP_TXCBLEND_0"},
665 {R200_PP_TXCBLEND_1, 4, "R200_PP_TXCBLEND_1"},
666 {R200_PP_TXCBLEND_2, 4, "R200_PP_TXCBLEND_2"},
667 {R200_PP_TXCBLEND_3, 4, "R200_PP_TXCBLEND_3"},
668 {R200_PP_TXCBLEND_4, 4, "R200_PP_TXCBLEND_4"},
669 {R200_PP_TXCBLEND_5, 4, "R200_PP_TXCBLEND_5"},
670 {R200_PP_TXCBLEND_6, 4, "R200_PP_TXCBLEND_6"},
671 {R200_PP_TXCBLEND_7, 4, "R200_PP_TXCBLEND_7"},
672 {R200_SE_TCL_LIGHT_MODEL_CTL_0, 6, "R200_SE_TCL_LIGHT_MODEL_CTL_0"},
673 {R200_PP_TFACTOR_0, 6, "R200_PP_TFACTOR_0"},
674 {R200_SE_VTX_FMT_0, 4, "R200_SE_VTX_FMT_0"},
675 {R200_SE_VAP_CNTL, 1, "R200_SE_VAP_CNTL"},
676 {R200_SE_TCL_MATRIX_SEL_0, 5, "R200_SE_TCL_MATRIX_SEL_0"},
677 {R200_SE_TCL_TEX_PROC_CTL_2, 5, "R200_SE_TCL_TEX_PROC_CTL_2"},
678 {R200_SE_TCL_UCP_VERT_BLEND_CTL, 1, "R200_SE_TCL_UCP_VERT_BLEND_CTL"},
679 {R200_PP_TXFILTER_0, 6, "R200_PP_TXFILTER_0"},
680 {R200_PP_TXFILTER_1, 6, "R200_PP_TXFILTER_1"},
681 {R200_PP_TXFILTER_2, 6, "R200_PP_TXFILTER_2"},
682 {R200_PP_TXFILTER_3, 6, "R200_PP_TXFILTER_3"},
683 {R200_PP_TXFILTER_4, 6, "R200_PP_TXFILTER_4"},
684 {R200_PP_TXFILTER_5, 6, "R200_PP_TXFILTER_5"},
685 {R200_PP_TXOFFSET_0, 1, "R200_PP_TXOFFSET_0"},
686 {R200_PP_TXOFFSET_1, 1, "R200_PP_TXOFFSET_1"},
687 {R200_PP_TXOFFSET_2, 1, "R200_PP_TXOFFSET_2"},
688 {R200_PP_TXOFFSET_3, 1, "R200_PP_TXOFFSET_3"},
689 {R200_PP_TXOFFSET_4, 1, "R200_PP_TXOFFSET_4"},
690 {R200_PP_TXOFFSET_5, 1, "R200_PP_TXOFFSET_5"},
691 {R200_SE_VTE_CNTL, 1, "R200_SE_VTE_CNTL"},
692 {R200_SE_TCL_OUTPUT_VTX_COMP_SEL, 1,
693 "R200_SE_TCL_OUTPUT_VTX_COMP_SEL"},
694 {R200_PP_TAM_DEBUG3, 1, "R200_PP_TAM_DEBUG3"},
695 {R200_PP_CNTL_X, 1, "R200_PP_CNTL_X"},
696 {R200_RB3D_DEPTHXY_OFFSET, 1, "R200_RB3D_DEPTHXY_OFFSET"},
697 {R200_RE_AUX_SCISSOR_CNTL, 1, "R200_RE_AUX_SCISSOR_CNTL"},
698 {R200_RE_SCISSOR_TL_0, 2, "R200_RE_SCISSOR_TL_0"},
699 {R200_RE_SCISSOR_TL_1, 2, "R200_RE_SCISSOR_TL_1"},
700 {R200_RE_SCISSOR_TL_2, 2, "R200_RE_SCISSOR_TL_2"},
701 {R200_SE_VAP_CNTL_STATUS, 1, "R200_SE_VAP_CNTL_STATUS"},
702 {R200_SE_VTX_STATE_CNTL, 1, "R200_SE_VTX_STATE_CNTL"},
703 {R200_RE_POINTSIZE, 1, "R200_RE_POINTSIZE"},
704 {R200_SE_TCL_INPUT_VTX_VECTOR_ADDR_0, 4,
705 "R200_SE_TCL_INPUT_VTX_VECTOR_ADDR_0"},
706 {R200_PP_CUBIC_FACES_0, 1, "R200_PP_CUBIC_FACES_0"}, /* 61 */
707 {R200_PP_CUBIC_OFFSET_F1_0, 5, "R200_PP_CUBIC_OFFSET_F1_0"}, /* 62 */
708 {R200_PP_CUBIC_FACES_1, 1, "R200_PP_CUBIC_FACES_1"},
709 {R200_PP_CUBIC_OFFSET_F1_1, 5, "R200_PP_CUBIC_OFFSET_F1_1"},
710 {R200_PP_CUBIC_FACES_2, 1, "R200_PP_CUBIC_FACES_2"},
711 {R200_PP_CUBIC_OFFSET_F1_2, 5, "R200_PP_CUBIC_OFFSET_F1_2"},
712 {R200_PP_CUBIC_FACES_3, 1, "R200_PP_CUBIC_FACES_3"},
713 {R200_PP_CUBIC_OFFSET_F1_3, 5, "R200_PP_CUBIC_OFFSET_F1_3"},
714 {R200_PP_CUBIC_FACES_4, 1, "R200_PP_CUBIC_FACES_4"},
715 {R200_PP_CUBIC_OFFSET_F1_4, 5, "R200_PP_CUBIC_OFFSET_F1_4"},
716 {R200_PP_CUBIC_FACES_5, 1, "R200_PP_CUBIC_FACES_5"},
717 {R200_PP_CUBIC_OFFSET_F1_5, 5, "R200_PP_CUBIC_OFFSET_F1_5"},
718 {RADEON_PP_TEX_SIZE_0, 2, "RADEON_PP_TEX_SIZE_0"},
719 {RADEON_PP_TEX_SIZE_1, 2, "RADEON_PP_TEX_SIZE_1"},
720 {RADEON_PP_TEX_SIZE_2, 2, "RADEON_PP_TEX_SIZE_2"},
721 {R200_RB3D_BLENDCOLOR, 3, "R200_RB3D_BLENDCOLOR"},
722 {R200_SE_TCL_POINT_SPRITE_CNTL, 1, "R200_SE_TCL_POINT_SPRITE_CNTL"},
723 {RADEON_PP_CUBIC_FACES_0, 1, "RADEON_PP_CUBIC_FACES_0"},
724 {RADEON_PP_CUBIC_OFFSET_T0_0, 5, "RADEON_PP_CUBIC_OFFSET_T0_0"},
725 {RADEON_PP_CUBIC_FACES_1, 1, "RADEON_PP_CUBIC_FACES_1"},
726 {RADEON_PP_CUBIC_OFFSET_T1_0, 5, "RADEON_PP_CUBIC_OFFSET_T1_0"},
727 {RADEON_PP_CUBIC_FACES_2, 1, "RADEON_PP_CUBIC_FACES_2"},
728 {RADEON_PP_CUBIC_OFFSET_T2_0, 5, "RADEON_PP_CUBIC_OFFSET_T2_0"},
729 {R200_PP_TRI_PERF, 2, "R200_PP_TRI_PERF"},
730 {R200_PP_AFS_0, 32, "R200_PP_AFS_0"}, /* 85 */
731 {R200_PP_AFS_1, 32, "R200_PP_AFS_1"},
732 {R200_PP_TFACTOR_0, 8, "R200_ATF_TFACTOR"},
733 {R200_PP_TXFILTER_0, 8, "R200_PP_TXCTLALL_0"},
734 {R200_PP_TXFILTER_1, 8, "R200_PP_TXCTLALL_1"},
735 {R200_PP_TXFILTER_2, 8, "R200_PP_TXCTLALL_2"},
736 {R200_PP_TXFILTER_3, 8, "R200_PP_TXCTLALL_3"},
737 {R200_PP_TXFILTER_4, 8, "R200_PP_TXCTLALL_4"},
738 {R200_PP_TXFILTER_5, 8, "R200_PP_TXCTLALL_5"},
739 {R200_VAP_PVS_CNTL_1, 2, "R200_VAP_PVS_CNTL"},
740 };
741
742 /* ================================================================
743 * Performance monitoring functions
744 */
745
746 static void radeon_clear_box(drm_radeon_private_t * dev_priv,
747 int x, int y, int w, int h, int r, int g, int b)
748 {
749 u32 color;
750 RING_LOCALS;
751
752 x += dev_priv->sarea_priv->boxes[0].x1;
753 y += dev_priv->sarea_priv->boxes[0].y1;
754
755 switch (dev_priv->color_fmt) {
756 case RADEON_COLOR_FORMAT_RGB565:
757 color = (((r & 0xf8) << 8) |
758 ((g & 0xfc) << 3) | ((b & 0xf8) >> 3));
759 break;
760 case RADEON_COLOR_FORMAT_ARGB8888:
761 default:
762 color = (((0xff) << 24) | (r << 16) | (g << 8) | b);
763 break;
764 }
765
766 BEGIN_RING(4);
767 RADEON_WAIT_UNTIL_3D_IDLE();
768 OUT_RING(CP_PACKET0(RADEON_DP_WRITE_MASK, 0));
769 OUT_RING(0xffffffff);
770 ADVANCE_RING();
771
772 BEGIN_RING(6);
773
774 OUT_RING(CP_PACKET3(RADEON_CNTL_PAINT_MULTI, 4));
775 OUT_RING(RADEON_GMC_DST_PITCH_OFFSET_CNTL |
776 RADEON_GMC_BRUSH_SOLID_COLOR |
777 (dev_priv->color_fmt << 8) |
778 RADEON_GMC_SRC_DATATYPE_COLOR |
779 RADEON_ROP3_P | RADEON_GMC_CLR_CMP_CNTL_DIS);
780
781 if (dev_priv->sarea_priv->pfCurrentPage == 1) {
782 OUT_RING(dev_priv->front_pitch_offset);
783 } else {
784 OUT_RING(dev_priv->back_pitch_offset);
785 }
786
787 OUT_RING(color);
788
789 OUT_RING((x << 16) | y);
790 OUT_RING((w << 16) | h);
791
792 ADVANCE_RING();
793 }
794
795 static void radeon_cp_performance_boxes(drm_radeon_private_t *dev_priv)
796 {
797 /* Collapse various things into a wait flag -- trying to
798 * guess if userspase slept -- better just to have them tell us.
799 */
800 if (dev_priv->stats.last_frame_reads > 1 ||
801 dev_priv->stats.last_clear_reads > dev_priv->stats.clears) {
802 dev_priv->stats.boxes |= RADEON_BOX_WAIT_IDLE;
803 }
804
805 if (dev_priv->stats.freelist_loops) {
806 dev_priv->stats.boxes |= RADEON_BOX_WAIT_IDLE;
807 }
808
809 /* Purple box for page flipping
810 */
811 if (dev_priv->stats.boxes & RADEON_BOX_FLIP)
812 radeon_clear_box(dev_priv, 4, 4, 8, 8, 255, 0, 255);
813
814 /* Red box if we have to wait for idle at any point
815 */
816 if (dev_priv->stats.boxes & RADEON_BOX_WAIT_IDLE)
817 radeon_clear_box(dev_priv, 16, 4, 8, 8, 255, 0, 0);
818
819 /* Blue box: lost context?
820 */
821
822 /* Yellow box for texture swaps
823 */
824 if (dev_priv->stats.boxes & RADEON_BOX_TEXTURE_LOAD)
825 radeon_clear_box(dev_priv, 40, 4, 8, 8, 255, 255, 0);
826
827 /* Green box if hardware never idles (as far as we can tell)
828 */
829 if (!(dev_priv->stats.boxes & RADEON_BOX_DMA_IDLE))
830 radeon_clear_box(dev_priv, 64, 4, 8, 8, 0, 255, 0);
831
832 /* Draw bars indicating number of buffers allocated
833 * (not a great measure, easily confused)
834 */
835 if (dev_priv->stats.requested_bufs) {
836 if (dev_priv->stats.requested_bufs > 100)
837 dev_priv->stats.requested_bufs = 100;
838
839 radeon_clear_box(dev_priv, 4, 16,
840 dev_priv->stats.requested_bufs, 4,
841 196, 128, 128);
842 }
843
844 memset(&dev_priv->stats, 0, sizeof(dev_priv->stats));
845
846 }
847
848 /* ================================================================
849 * CP command dispatch functions
850 */
851
852 static void radeon_cp_dispatch_clear(struct drm_device * dev,
853 drm_radeon_clear_t * clear,
854 drm_radeon_clear_rect_t * depth_boxes)
855 {
856 drm_radeon_private_t *dev_priv = dev->dev_private;
857 drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv;
858 drm_radeon_depth_clear_t *depth_clear = &dev_priv->depth_clear;
859 int nbox = sarea_priv->nbox;
860 struct drm_clip_rect *pbox = sarea_priv->boxes;
861 unsigned int flags = clear->flags;
862 u32 rb3d_cntl = 0, rb3d_stencilrefmask = 0;
863 int i;
864 RING_LOCALS;
865 DRM_DEBUG("flags = 0x%x\n", flags);
866
867 dev_priv->stats.clears++;
868
869 if (sarea_priv->pfCurrentPage == 1) {
870 unsigned int tmp = flags;
871
872 flags &= ~(RADEON_FRONT | RADEON_BACK);
873 if (tmp & RADEON_FRONT)
874 flags |= RADEON_BACK;
875 if (tmp & RADEON_BACK)
876 flags |= RADEON_FRONT;
877 }
878
879 if (flags & (RADEON_FRONT | RADEON_BACK)) {
880
881 BEGIN_RING(4);
882
883 /* Ensure the 3D stream is idle before doing a
884 * 2D fill to clear the front or back buffer.
885 */
886 RADEON_WAIT_UNTIL_3D_IDLE();
887
888 OUT_RING(CP_PACKET0(RADEON_DP_WRITE_MASK, 0));
889 OUT_RING(clear->color_mask);
890
891 ADVANCE_RING();
892
893 /* Make sure we restore the 3D state next time.
894 */
895 sarea_priv->ctx_owner = 0;
896
897 for (i = 0; i < nbox; i++) {
898 int x = pbox[i].x1;
899 int y = pbox[i].y1;
900 int w = pbox[i].x2 - x;
901 int h = pbox[i].y2 - y;
902
903 DRM_DEBUG("%d,%d-%d,%d flags 0x%x\n",
904 x, y, w, h, flags);
905
906 if (flags & RADEON_FRONT) {
907 BEGIN_RING(6);
908
909 OUT_RING(CP_PACKET3
910 (RADEON_CNTL_PAINT_MULTI, 4));
911 OUT_RING(RADEON_GMC_DST_PITCH_OFFSET_CNTL |
912 RADEON_GMC_BRUSH_SOLID_COLOR |
913 (dev_priv->
914 color_fmt << 8) |
915 RADEON_GMC_SRC_DATATYPE_COLOR |
916 RADEON_ROP3_P |
917 RADEON_GMC_CLR_CMP_CNTL_DIS);
918
919 OUT_RING(dev_priv->front_pitch_offset);
920 OUT_RING(clear->clear_color);
921
922 OUT_RING((x << 16) | y);
923 OUT_RING((w << 16) | h);
924
925 ADVANCE_RING();
926 }
927
928 if (flags & RADEON_BACK) {
929 BEGIN_RING(6);
930
931 OUT_RING(CP_PACKET3
932 (RADEON_CNTL_PAINT_MULTI, 4));
933 OUT_RING(RADEON_GMC_DST_PITCH_OFFSET_CNTL |
934 RADEON_GMC_BRUSH_SOLID_COLOR |
935 (dev_priv->
936 color_fmt << 8) |
937 RADEON_GMC_SRC_DATATYPE_COLOR |
938 RADEON_ROP3_P |
939 RADEON_GMC_CLR_CMP_CNTL_DIS);
940
941 OUT_RING(dev_priv->back_pitch_offset);
942 OUT_RING(clear->clear_color);
943
944 OUT_RING((x << 16) | y);
945 OUT_RING((w << 16) | h);
946
947 ADVANCE_RING();
948 }
949 }
950 }
951
952 /* hyper z clear */
953 /* no docs available, based on reverse engeneering by Stephane Marchesin */
954 if ((flags & (RADEON_DEPTH | RADEON_STENCIL))
955 && (flags & RADEON_CLEAR_FASTZ)) {
956
957 int i;
958 int depthpixperline =
959 dev_priv->depth_fmt ==
960 RADEON_DEPTH_FORMAT_16BIT_INT_Z ? (dev_priv->depth_pitch /
961 2) : (dev_priv->
962 depth_pitch / 4);
963
964 u32 clearmask;
965
966 u32 tempRB3D_DEPTHCLEARVALUE = clear->clear_depth |
967 ((clear->depth_mask & 0xff) << 24);
968
969 /* Make sure we restore the 3D state next time.
970 * we haven't touched any "normal" state - still need this?
971 */
972 sarea_priv->ctx_owner = 0;
973
974 if ((dev_priv->flags & RADEON_HAS_HIERZ)
975 && (flags & RADEON_USE_HIERZ)) {
976 /* FIXME : reverse engineer that for Rx00 cards */
977 /* FIXME : the mask supposedly contains low-res z values. So can't set
978 just to the max (0xff? or actually 0x3fff?), need to take z clear
979 value into account? */
980 /* pattern seems to work for r100, though get slight
981 rendering errors with glxgears. If hierz is not enabled for r100,
982 only 4 bits which indicate clear (15,16,31,32, all zero) matter, the
983 other ones are ignored, and the same clear mask can be used. That's
984 very different behaviour than R200 which needs different clear mask
985 and different number of tiles to clear if hierz is enabled or not !?!
986 */
987 clearmask = (0xff << 22) | (0xff << 6) | 0x003f003f;
988 } else {
989 /* clear mask : chooses the clearing pattern.
990 rv250: could be used to clear only parts of macrotiles
991 (but that would get really complicated...)?
992 bit 0 and 1 (either or both of them ?!?!) are used to
993 not clear tile (or maybe one of the bits indicates if the tile is
994 compressed or not), bit 2 and 3 to not clear tile 1,...,.
995 Pattern is as follows:
996 | 0,1 | 4,5 | 8,9 |12,13|16,17|20,21|24,25|28,29|
997 bits -------------------------------------------------
998 | 2,3 | 6,7 |10,11|14,15|18,19|22,23|26,27|30,31|
999 rv100: clearmask covers 2x8 4x1 tiles, but one clear still
1000 covers 256 pixels ?!?
1001 */
1002 clearmask = 0x0;
1003 }
1004
1005 BEGIN_RING(8);
1006 RADEON_WAIT_UNTIL_2D_IDLE();
1007 OUT_RING_REG(RADEON_RB3D_DEPTHCLEARVALUE,
1008 tempRB3D_DEPTHCLEARVALUE);
1009 /* what offset is this exactly ? */
1010 OUT_RING_REG(RADEON_RB3D_ZMASKOFFSET, 0);
1011 /* need ctlstat, otherwise get some strange black flickering */
1012 OUT_RING_REG(RADEON_RB3D_ZCACHE_CTLSTAT,
1013 RADEON_RB3D_ZC_FLUSH_ALL);
1014 ADVANCE_RING();
1015
1016 for (i = 0; i < nbox; i++) {
1017 int tileoffset, nrtilesx, nrtilesy, j;
1018 /* it looks like r200 needs rv-style clears, at least if hierz is not enabled? */
1019 if ((dev_priv->flags & RADEON_HAS_HIERZ)
1020 && !(dev_priv->microcode_version == UCODE_R200)) {
1021 /* FIXME : figure this out for r200 (when hierz is enabled). Or
1022 maybe r200 actually doesn't need to put the low-res z value into
1023 the tile cache like r100, but just needs to clear the hi-level z-buffer?
1024 Works for R100, both with hierz and without.
1025 R100 seems to operate on 2x1 8x8 tiles, but...
1026 odd: offset/nrtiles need to be 64 pix (4 block) aligned? Potentially
1027 problematic with resolutions which are not 64 pix aligned? */
1028 tileoffset =
1029 ((pbox[i].y1 >> 3) * depthpixperline +
1030 pbox[i].x1) >> 6;
1031 nrtilesx =
1032 ((pbox[i].x2 & ~63) -
1033 (pbox[i].x1 & ~63)) >> 4;
1034 nrtilesy =
1035 (pbox[i].y2 >> 3) - (pbox[i].y1 >> 3);
1036 for (j = 0; j <= nrtilesy; j++) {
1037 BEGIN_RING(4);
1038 OUT_RING(CP_PACKET3
1039 (RADEON_3D_CLEAR_ZMASK, 2));
1040 /* first tile */
1041 OUT_RING(tileoffset * 8);
1042 /* the number of tiles to clear */
1043 OUT_RING(nrtilesx + 4);
1044 /* clear mask : chooses the clearing pattern. */
1045 OUT_RING(clearmask);
1046 ADVANCE_RING();
1047 tileoffset += depthpixperline >> 6;
1048 }
1049 } else if (dev_priv->microcode_version == UCODE_R200) {
1050 /* works for rv250. */
1051 /* find first macro tile (8x2 4x4 z-pixels on rv250) */
1052 tileoffset =
1053 ((pbox[i].y1 >> 3) * depthpixperline +
1054 pbox[i].x1) >> 5;
1055 nrtilesx =
1056 (pbox[i].x2 >> 5) - (pbox[i].x1 >> 5);
1057 nrtilesy =
1058 (pbox[i].y2 >> 3) - (pbox[i].y1 >> 3);
1059 for (j = 0; j <= nrtilesy; j++) {
1060 BEGIN_RING(4);
1061 OUT_RING(CP_PACKET3
1062 (RADEON_3D_CLEAR_ZMASK, 2));
1063 /* first tile */
1064 /* judging by the first tile offset needed, could possibly
1065 directly address/clear 4x4 tiles instead of 8x2 * 4x4
1066 macro tiles, though would still need clear mask for
1067 right/bottom if truely 4x4 granularity is desired ? */
1068 OUT_RING(tileoffset * 16);
1069 /* the number of tiles to clear */
1070 OUT_RING(nrtilesx + 1);
1071 /* clear mask : chooses the clearing pattern. */
1072 OUT_RING(clearmask);
1073 ADVANCE_RING();
1074 tileoffset += depthpixperline >> 5;
1075 }
1076 } else { /* rv 100 */
1077 /* rv100 might not need 64 pix alignment, who knows */
1078 /* offsets are, hmm, weird */
1079 tileoffset =
1080 ((pbox[i].y1 >> 4) * depthpixperline +
1081 pbox[i].x1) >> 6;
1082 nrtilesx =
1083 ((pbox[i].x2 & ~63) -
1084 (pbox[i].x1 & ~63)) >> 4;
1085 nrtilesy =
1086 (pbox[i].y2 >> 4) - (pbox[i].y1 >> 4);
1087 for (j = 0; j <= nrtilesy; j++) {
1088 BEGIN_RING(4);
1089 OUT_RING(CP_PACKET3
1090 (RADEON_3D_CLEAR_ZMASK, 2));
1091 OUT_RING(tileoffset * 128);
1092 /* the number of tiles to clear */
1093 OUT_RING(nrtilesx + 4);
1094 /* clear mask : chooses the clearing pattern. */
1095 OUT_RING(clearmask);
1096 ADVANCE_RING();
1097 tileoffset += depthpixperline >> 6;
1098 }
1099 }
1100 }
1101
1102 /* TODO don't always clear all hi-level z tiles */
1103 if ((dev_priv->flags & RADEON_HAS_HIERZ)
1104 && (dev_priv->microcode_version == UCODE_R200)
1105 && (flags & RADEON_USE_HIERZ))
1106 /* r100 and cards without hierarchical z-buffer have no high-level z-buffer */
1107 /* FIXME : the mask supposedly contains low-res z values. So can't set
1108 just to the max (0xff? or actually 0x3fff?), need to take z clear
1109 value into account? */
1110 {
1111 BEGIN_RING(4);
1112 OUT_RING(CP_PACKET3(RADEON_3D_CLEAR_HIZ, 2));
1113 OUT_RING(0x0); /* First tile */
1114 OUT_RING(0x3cc0);
1115 OUT_RING((0xff << 22) | (0xff << 6) | 0x003f003f);
1116 ADVANCE_RING();
1117 }
1118 }
1119
1120 /* We have to clear the depth and/or stencil buffers by
1121 * rendering a quad into just those buffers. Thus, we have to
1122 * make sure the 3D engine is configured correctly.
1123 */
1124 else if ((dev_priv->microcode_version == UCODE_R200) &&
1125 (flags & (RADEON_DEPTH | RADEON_STENCIL))) {
1126
1127 int tempPP_CNTL;
1128 int tempRE_CNTL;
1129 int tempRB3D_CNTL;
1130 int tempRB3D_ZSTENCILCNTL;
1131 int tempRB3D_STENCILREFMASK;
1132 int tempRB3D_PLANEMASK;
1133 int tempSE_CNTL;
1134 int tempSE_VTE_CNTL;
1135 int tempSE_VTX_FMT_0;
1136 int tempSE_VTX_FMT_1;
1137 int tempSE_VAP_CNTL;
1138 int tempRE_AUX_SCISSOR_CNTL;
1139
1140 tempPP_CNTL = 0;
1141 tempRE_CNTL = 0;
1142
1143 tempRB3D_CNTL = depth_clear->rb3d_cntl;
1144
1145 tempRB3D_ZSTENCILCNTL = depth_clear->rb3d_zstencilcntl;
1146 tempRB3D_STENCILREFMASK = 0x0;
1147
1148 tempSE_CNTL = depth_clear->se_cntl;
1149
1150 /* Disable TCL */
1151
1152 tempSE_VAP_CNTL = ( /* SE_VAP_CNTL__FORCE_W_TO_ONE_MASK | */
1153 (0x9 <<
1154 SE_VAP_CNTL__VF_MAX_VTX_NUM__SHIFT));
1155
1156 tempRB3D_PLANEMASK = 0x0;
1157
1158 tempRE_AUX_SCISSOR_CNTL = 0x0;
1159
1160 tempSE_VTE_CNTL =
1161 SE_VTE_CNTL__VTX_XY_FMT_MASK | SE_VTE_CNTL__VTX_Z_FMT_MASK;
1162
1163 /* Vertex format (X, Y, Z, W) */
1164 tempSE_VTX_FMT_0 =
1165 SE_VTX_FMT_0__VTX_Z0_PRESENT_MASK |
1166 SE_VTX_FMT_0__VTX_W0_PRESENT_MASK;
1167 tempSE_VTX_FMT_1 = 0x0;
1168
1169 /*
1170 * Depth buffer specific enables
1171 */
1172 if (flags & RADEON_DEPTH) {
1173 /* Enable depth buffer */
1174 tempRB3D_CNTL |= RADEON_Z_ENABLE;
1175 } else {
1176 /* Disable depth buffer */
1177 tempRB3D_CNTL &= ~RADEON_Z_ENABLE;
1178 }
1179
1180 /*
1181 * Stencil buffer specific enables
1182 */
1183 if (flags & RADEON_STENCIL) {
1184 tempRB3D_CNTL |= RADEON_STENCIL_ENABLE;
1185 tempRB3D_STENCILREFMASK = clear->depth_mask;
1186 } else {
1187 tempRB3D_CNTL &= ~RADEON_STENCIL_ENABLE;
1188 tempRB3D_STENCILREFMASK = 0x00000000;
1189 }
1190
1191 if (flags & RADEON_USE_COMP_ZBUF) {
1192 tempRB3D_ZSTENCILCNTL |= RADEON_Z_COMPRESSION_ENABLE |
1193 RADEON_Z_DECOMPRESSION_ENABLE;
1194 }
1195 if (flags & RADEON_USE_HIERZ) {
1196 tempRB3D_ZSTENCILCNTL |= RADEON_Z_HIERARCHY_ENABLE;
1197 }
1198
1199 BEGIN_RING(26);
1200 RADEON_WAIT_UNTIL_2D_IDLE();
1201
1202 OUT_RING_REG(RADEON_PP_CNTL, tempPP_CNTL);
1203 OUT_RING_REG(R200_RE_CNTL, tempRE_CNTL);
1204 OUT_RING_REG(RADEON_RB3D_CNTL, tempRB3D_CNTL);
1205 OUT_RING_REG(RADEON_RB3D_ZSTENCILCNTL, tempRB3D_ZSTENCILCNTL);
1206 OUT_RING_REG(RADEON_RB3D_STENCILREFMASK,
1207 tempRB3D_STENCILREFMASK);
1208 OUT_RING_REG(RADEON_RB3D_PLANEMASK, tempRB3D_PLANEMASK);
1209 OUT_RING_REG(RADEON_SE_CNTL, tempSE_CNTL);
1210 OUT_RING_REG(R200_SE_VTE_CNTL, tempSE_VTE_CNTL);
1211 OUT_RING_REG(R200_SE_VTX_FMT_0, tempSE_VTX_FMT_0);
1212 OUT_RING_REG(R200_SE_VTX_FMT_1, tempSE_VTX_FMT_1);
1213 OUT_RING_REG(R200_SE_VAP_CNTL, tempSE_VAP_CNTL);
1214 OUT_RING_REG(R200_RE_AUX_SCISSOR_CNTL, tempRE_AUX_SCISSOR_CNTL);
1215 ADVANCE_RING();
1216
1217 /* Make sure we restore the 3D state next time.
1218 */
1219 sarea_priv->ctx_owner = 0;
1220
1221 for (i = 0; i < nbox; i++) {
1222
1223 /* Funny that this should be required --
1224 * sets top-left?
1225 */
1226 radeon_emit_clip_rect(dev_priv, &sarea_priv->boxes[i]);
1227
1228 BEGIN_RING(14);
1229 OUT_RING(CP_PACKET3(R200_3D_DRAW_IMMD_2, 12));
1230 OUT_RING((RADEON_PRIM_TYPE_RECT_LIST |
1231 RADEON_PRIM_WALK_RING |
1232 (3 << RADEON_NUM_VERTICES_SHIFT)));
1233 OUT_RING(depth_boxes[i].ui[CLEAR_X1]);
1234 OUT_RING(depth_boxes[i].ui[CLEAR_Y1]);
1235 OUT_RING(depth_boxes[i].ui[CLEAR_DEPTH]);
1236 OUT_RING(0x3f800000);
1237 OUT_RING(depth_boxes[i].ui[CLEAR_X1]);
1238 OUT_RING(depth_boxes[i].ui[CLEAR_Y2]);
1239 OUT_RING(depth_boxes[i].ui[CLEAR_DEPTH]);
1240 OUT_RING(0x3f800000);
1241 OUT_RING(depth_boxes[i].ui[CLEAR_X2]);
1242 OUT_RING(depth_boxes[i].ui[CLEAR_Y2]);
1243 OUT_RING(depth_boxes[i].ui[CLEAR_DEPTH]);
1244 OUT_RING(0x3f800000);
1245 ADVANCE_RING();
1246 }
1247 } else if ((flags & (RADEON_DEPTH | RADEON_STENCIL))) {
1248
1249 int tempRB3D_ZSTENCILCNTL = depth_clear->rb3d_zstencilcntl;
1250
1251 rb3d_cntl = depth_clear->rb3d_cntl;
1252
1253 if (flags & RADEON_DEPTH) {
1254 rb3d_cntl |= RADEON_Z_ENABLE;
1255 } else {
1256 rb3d_cntl &= ~RADEON_Z_ENABLE;
1257 }
1258
1259 if (flags & RADEON_STENCIL) {
1260 rb3d_cntl |= RADEON_STENCIL_ENABLE;
1261 rb3d_stencilrefmask = clear->depth_mask; /* misnamed field */
1262 } else {
1263 rb3d_cntl &= ~RADEON_STENCIL_ENABLE;
1264 rb3d_stencilrefmask = 0x00000000;
1265 }
1266
1267 if (flags & RADEON_USE_COMP_ZBUF) {
1268 tempRB3D_ZSTENCILCNTL |= RADEON_Z_COMPRESSION_ENABLE |
1269 RADEON_Z_DECOMPRESSION_ENABLE;
1270 }
1271 if (flags & RADEON_USE_HIERZ) {
1272 tempRB3D_ZSTENCILCNTL |= RADEON_Z_HIERARCHY_ENABLE;
1273 }
1274
1275 BEGIN_RING(13);
1276 RADEON_WAIT_UNTIL_2D_IDLE();
1277
1278 OUT_RING(CP_PACKET0(RADEON_PP_CNTL, 1));
1279 OUT_RING(0x00000000);
1280 OUT_RING(rb3d_cntl);
1281
1282 OUT_RING_REG(RADEON_RB3D_ZSTENCILCNTL, tempRB3D_ZSTENCILCNTL);
1283 OUT_RING_REG(RADEON_RB3D_STENCILREFMASK, rb3d_stencilrefmask);
1284 OUT_RING_REG(RADEON_RB3D_PLANEMASK, 0x00000000);
1285 OUT_RING_REG(RADEON_SE_CNTL, depth_clear->se_cntl);
1286 ADVANCE_RING();
1287
1288 /* Make sure we restore the 3D state next time.
1289 */
1290 sarea_priv->ctx_owner = 0;
1291
1292 for (i = 0; i < nbox; i++) {
1293
1294 /* Funny that this should be required --
1295 * sets top-left?
1296 */
1297 radeon_emit_clip_rect(dev_priv, &sarea_priv->boxes[i]);
1298
1299 BEGIN_RING(15);
1300
1301 OUT_RING(CP_PACKET3(RADEON_3D_DRAW_IMMD, 13));
1302 OUT_RING(RADEON_VTX_Z_PRESENT |
1303 RADEON_VTX_PKCOLOR_PRESENT);
1304 OUT_RING((RADEON_PRIM_TYPE_RECT_LIST |
1305 RADEON_PRIM_WALK_RING |
1306 RADEON_MAOS_ENABLE |
1307 RADEON_VTX_FMT_RADEON_MODE |
1308 (3 << RADEON_NUM_VERTICES_SHIFT)));
1309
1310 OUT_RING(depth_boxes[i].ui[CLEAR_X1]);
1311 OUT_RING(depth_boxes[i].ui[CLEAR_Y1]);
1312 OUT_RING(depth_boxes[i].ui[CLEAR_DEPTH]);
1313 OUT_RING(0x0);
1314
1315 OUT_RING(depth_boxes[i].ui[CLEAR_X1]);
1316 OUT_RING(depth_boxes[i].ui[CLEAR_Y2]);
1317 OUT_RING(depth_boxes[i].ui[CLEAR_DEPTH]);
1318 OUT_RING(0x0);
1319
1320 OUT_RING(depth_boxes[i].ui[CLEAR_X2]);
1321 OUT_RING(depth_boxes[i].ui[CLEAR_Y2]);
1322 OUT_RING(depth_boxes[i].ui[CLEAR_DEPTH]);
1323 OUT_RING(0x0);
1324
1325 ADVANCE_RING();
1326 }
1327 }
1328
1329 /* Increment the clear counter. The client-side 3D driver must
1330 * wait on this value before performing the clear ioctl. We
1331 * need this because the card's so damned fast...
1332 */
1333 sarea_priv->last_clear++;
1334
1335 BEGIN_RING(4);
1336
1337 RADEON_CLEAR_AGE(sarea_priv->last_clear);
1338 RADEON_WAIT_UNTIL_IDLE();
1339
1340 ADVANCE_RING();
1341 }
1342
1343 static void radeon_cp_dispatch_swap(struct drm_device *dev)
1344 {
1345 drm_radeon_private_t *dev_priv = dev->dev_private;
1346 drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv;
1347 int nbox = sarea_priv->nbox;
1348 struct drm_clip_rect *pbox = sarea_priv->boxes;
1349 int i;
1350 RING_LOCALS;
1351 DRM_DEBUG("\n");
1352
1353 /* Do some trivial performance monitoring...
1354 */
1355 if (dev_priv->do_boxes)
1356 radeon_cp_performance_boxes(dev_priv);
1357
1358 /* Wait for the 3D stream to idle before dispatching the bitblt.
1359 * This will prevent data corruption between the two streams.
1360 */
1361 BEGIN_RING(2);
1362
1363 RADEON_WAIT_UNTIL_3D_IDLE();
1364
1365 ADVANCE_RING();
1366
1367 for (i = 0; i < nbox; i++) {
1368 int x = pbox[i].x1;
1369 int y = pbox[i].y1;
1370 int w = pbox[i].x2 - x;
1371 int h = pbox[i].y2 - y;
1372
1373 DRM_DEBUG("%d,%d-%d,%d\n", x, y, w, h);
1374
1375 BEGIN_RING(9);
1376
1377 OUT_RING(CP_PACKET0(RADEON_DP_GUI_MASTER_CNTL, 0));
1378 OUT_RING(RADEON_GMC_SRC_PITCH_OFFSET_CNTL |
1379 RADEON_GMC_DST_PITCH_OFFSET_CNTL |
1380 RADEON_GMC_BRUSH_NONE |
1381 (dev_priv->color_fmt << 8) |
1382 RADEON_GMC_SRC_DATATYPE_COLOR |
1383 RADEON_ROP3_S |
1384 RADEON_DP_SRC_SOURCE_MEMORY |
1385 RADEON_GMC_CLR_CMP_CNTL_DIS | RADEON_GMC_WR_MSK_DIS);
1386
1387 /* Make this work even if front & back are flipped:
1388 */
1389 OUT_RING(CP_PACKET0(RADEON_SRC_PITCH_OFFSET, 1));
1390 if (sarea_priv->pfCurrentPage == 0) {
1391 OUT_RING(dev_priv->back_pitch_offset);
1392 OUT_RING(dev_priv->front_pitch_offset);
1393 } else {
1394 OUT_RING(dev_priv->front_pitch_offset);
1395 OUT_RING(dev_priv->back_pitch_offset);
1396 }
1397
1398 OUT_RING(CP_PACKET0(RADEON_SRC_X_Y, 2));
1399 OUT_RING((x << 16) | y);
1400 OUT_RING((x << 16) | y);
1401 OUT_RING((w << 16) | h);
1402
1403 ADVANCE_RING();
1404 }
1405
1406 /* Increment the frame counter. The client-side 3D driver must
1407 * throttle the framerate by waiting for this value before
1408 * performing the swapbuffer ioctl.
1409 */
1410 sarea_priv->last_frame++;
1411
1412 BEGIN_RING(4);
1413
1414 RADEON_FRAME_AGE(sarea_priv->last_frame);
1415 RADEON_WAIT_UNTIL_2D_IDLE();
1416
1417 ADVANCE_RING();
1418 }
1419
1420 static void radeon_cp_dispatch_flip(struct drm_device *dev)
1421 {
1422 drm_radeon_private_t *dev_priv = dev->dev_private;
1423 struct drm_sarea *sarea = (struct drm_sarea *)dev_priv->sarea->handle;
1424 int offset = (dev_priv->sarea_priv->pfCurrentPage == 1)
1425 ? dev_priv->front_offset : dev_priv->back_offset;
1426 RING_LOCALS;
1427 DRM_DEBUG("pfCurrentPage=%d\n",
1428 dev_priv->sarea_priv->pfCurrentPage);
1429
1430 /* Do some trivial performance monitoring...
1431 */
1432 if (dev_priv->do_boxes) {
1433 dev_priv->stats.boxes |= RADEON_BOX_FLIP;
1434 radeon_cp_performance_boxes(dev_priv);
1435 }
1436
1437 /* Update the frame offsets for both CRTCs
1438 */
1439 BEGIN_RING(6);
1440
1441 RADEON_WAIT_UNTIL_3D_IDLE();
1442 OUT_RING_REG(RADEON_CRTC_OFFSET,
1443 ((sarea->frame.y * dev_priv->front_pitch +
1444 sarea->frame.x * (dev_priv->color_fmt - 2)) & ~7)
1445 + offset);
1446 OUT_RING_REG(RADEON_CRTC2_OFFSET, dev_priv->sarea_priv->crtc2_base
1447 + offset);
1448
1449 ADVANCE_RING();
1450
1451 /* Increment the frame counter. The client-side 3D driver must
1452 * throttle the framerate by waiting for this value before
1453 * performing the swapbuffer ioctl.
1454 */
1455 dev_priv->sarea_priv->last_frame++;
1456 dev_priv->sarea_priv->pfCurrentPage =
1457 1 - dev_priv->sarea_priv->pfCurrentPage;
1458
1459 BEGIN_RING(2);
1460
1461 RADEON_FRAME_AGE(dev_priv->sarea_priv->last_frame);
1462
1463 ADVANCE_RING();
1464 }
1465
1466 static int bad_prim_vertex_nr(int primitive, int nr)
1467 {
1468 switch (primitive & RADEON_PRIM_TYPE_MASK) {
1469 case RADEON_PRIM_TYPE_NONE:
1470 case RADEON_PRIM_TYPE_POINT:
1471 return nr < 1;
1472 case RADEON_PRIM_TYPE_LINE:
1473 return (nr & 1) || nr == 0;
1474 case RADEON_PRIM_TYPE_LINE_STRIP:
1475 return nr < 2;
1476 case RADEON_PRIM_TYPE_TRI_LIST:
1477 case RADEON_PRIM_TYPE_3VRT_POINT_LIST:
1478 case RADEON_PRIM_TYPE_3VRT_LINE_LIST:
1479 case RADEON_PRIM_TYPE_RECT_LIST:
1480 return nr % 3 || nr == 0;
1481 case RADEON_PRIM_TYPE_TRI_FAN:
1482 case RADEON_PRIM_TYPE_TRI_STRIP:
1483 return nr < 3;
1484 default:
1485 return 1;
1486 }
1487 }
1488
1489 typedef struct {
1490 unsigned int start;
1491 unsigned int finish;
1492 unsigned int prim;
1493 unsigned int numverts;
1494 unsigned int offset;
1495 unsigned int vc_format;
1496 } drm_radeon_tcl_prim_t;
1497
1498 static void radeon_cp_dispatch_vertex(struct drm_device * dev,
1499 struct drm_buf * buf,
1500 drm_radeon_tcl_prim_t * prim)
1501 {
1502 drm_radeon_private_t *dev_priv = dev->dev_private;
1503 drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv;
1504 int offset = dev_priv->gart_buffers_offset + buf->offset + prim->start;
1505 int numverts = (int)prim->numverts;
1506 int nbox = sarea_priv->nbox;
1507 int i = 0;
1508 RING_LOCALS;
1509
1510 DRM_DEBUG("hwprim 0x%x vfmt 0x%x %d..%d %d verts\n",
1511 prim->prim,
1512 prim->vc_format, prim->start, prim->finish, prim->numverts);
1513
1514 if (bad_prim_vertex_nr(prim->prim, prim->numverts)) {
1515 DRM_ERROR("bad prim %x numverts %d\n",
1516 prim->prim, prim->numverts);
1517 return;
1518 }
1519
1520 do {
1521 /* Emit the next cliprect */
1522 if (i < nbox) {
1523 radeon_emit_clip_rect(dev_priv, &sarea_priv->boxes[i]);
1524 }
1525
1526 /* Emit the vertex buffer rendering commands */
1527 BEGIN_RING(5);
1528
1529 OUT_RING(CP_PACKET3(RADEON_3D_RNDR_GEN_INDX_PRIM, 3));
1530 OUT_RING(offset);
1531 OUT_RING(numverts);
1532 OUT_RING(prim->vc_format);
1533 OUT_RING(prim->prim | RADEON_PRIM_WALK_LIST |
1534 RADEON_COLOR_ORDER_RGBA |
1535 RADEON_VTX_FMT_RADEON_MODE |
1536 (numverts << RADEON_NUM_VERTICES_SHIFT));
1537
1538 ADVANCE_RING();
1539
1540 i++;
1541 } while (i < nbox);
1542 }
1543
1544 void radeon_cp_discard_buffer(struct drm_device *dev, struct drm_buf *buf)
1545 {
1546 drm_radeon_private_t *dev_priv = dev->dev_private;
1547 drm_radeon_buf_priv_t *buf_priv = buf->dev_private;
1548 RING_LOCALS;
1549
1550 buf_priv->age = ++dev_priv->sarea_priv->last_dispatch;
1551
1552 /* Emit the vertex buffer age */
1553 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600) {
1554 BEGIN_RING(3);
1555 R600_DISPATCH_AGE(buf_priv->age);
1556 ADVANCE_RING();
1557 } else {
1558 BEGIN_RING(2);
1559 RADEON_DISPATCH_AGE(buf_priv->age);
1560 ADVANCE_RING();
1561 }
1562
1563 buf->pending = 1;
1564 buf->used = 0;
1565 }
1566
1567 static void radeon_cp_dispatch_indirect(struct drm_device * dev,
1568 struct drm_buf * buf, int start, int end)
1569 {
1570 drm_radeon_private_t *dev_priv = dev->dev_private;
1571 RING_LOCALS;
1572 DRM_DEBUG("buf=%d s=0x%x e=0x%x\n", buf->idx, start, end);
1573
1574 if (start != end) {
1575 int offset = (dev_priv->gart_buffers_offset
1576 + buf->offset + start);
1577 int dwords = (end - start + 3) / sizeof(u32);
1578
1579 /* Indirect buffer data must be an even number of
1580 * dwords, so if we've been given an odd number we must
1581 * pad the data with a Type-2 CP packet.
1582 */
1583 if (dwords & 1) {
1584 u32 *data = (u32 *)
1585 ((char *)dev->agp_buffer_map->handle
1586 + buf->offset + start);
1587 data[dwords++] = RADEON_CP_PACKET2;
1588 }
1589
1590 /* Fire off the indirect buffer */
1591 BEGIN_RING(3);
1592
1593 OUT_RING(CP_PACKET0(RADEON_CP_IB_BASE, 1));
1594 OUT_RING(offset);
1595 OUT_RING(dwords);
1596
1597 ADVANCE_RING();
1598 }
1599 }
1600
1601 static void radeon_cp_dispatch_indices(struct drm_device *dev,
1602 struct drm_buf * elt_buf,
1603 drm_radeon_tcl_prim_t * prim)
1604 {
1605 drm_radeon_private_t *dev_priv = dev->dev_private;
1606 drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv;
1607 int offset = dev_priv->gart_buffers_offset + prim->offset;
1608 u32 *data;
1609 int dwords;
1610 int i = 0;
1611 int start = prim->start + RADEON_INDEX_PRIM_OFFSET;
1612 int count = (prim->finish - start) / sizeof(u16);
1613 int nbox = sarea_priv->nbox;
1614
1615 DRM_DEBUG("hwprim 0x%x vfmt 0x%x %d..%d offset: %x nr %d\n",
1616 prim->prim,
1617 prim->vc_format,
1618 prim->start, prim->finish, prim->offset, prim->numverts);
1619
1620 if (bad_prim_vertex_nr(prim->prim, count)) {
1621 DRM_ERROR("bad prim %x count %d\n", prim->prim, count);
1622 return;
1623 }
1624
1625 if (start >= prim->finish || (prim->start & 0x7)) {
1626 DRM_ERROR("buffer prim %d\n", prim->prim);
1627 return;
1628 }
1629
1630 dwords = (prim->finish - prim->start + 3) / sizeof(u32);
1631
1632 data = (u32 *) ((char *)dev->agp_buffer_map->handle +
1633 elt_buf->offset + prim->start);
1634
1635 data[0] = CP_PACKET3(RADEON_3D_RNDR_GEN_INDX_PRIM, dwords - 2);
1636 data[1] = offset;
1637 data[2] = prim->numverts;
1638 data[3] = prim->vc_format;
1639 data[4] = (prim->prim |
1640 RADEON_PRIM_WALK_IND |
1641 RADEON_COLOR_ORDER_RGBA |
1642 RADEON_VTX_FMT_RADEON_MODE |
1643 (count << RADEON_NUM_VERTICES_SHIFT));
1644
1645 do {
1646 if (i < nbox)
1647 radeon_emit_clip_rect(dev_priv, &sarea_priv->boxes[i]);
1648
1649 radeon_cp_dispatch_indirect(dev, elt_buf,
1650 prim->start, prim->finish);
1651
1652 i++;
1653 } while (i < nbox);
1654
1655 }
1656
1657 #define RADEON_MAX_TEXTURE_SIZE RADEON_BUFFER_SIZE
1658
1659 static int radeon_cp_dispatch_texture(struct drm_device * dev,
1660 struct drm_file *file_priv,
1661 drm_radeon_texture_t * tex,
1662 drm_radeon_tex_image_t * image)
1663 {
1664 drm_radeon_private_t *dev_priv = dev->dev_private;
1665 struct drm_buf *buf;
1666 u32 format;
1667 u32 *buffer;
1668 const u8 __user *data;
1669 int size, dwords, tex_width, blit_width, spitch;
1670 u32 height;
1671 int i;
1672 u32 texpitch, microtile;
1673 u32 offset, byte_offset;
1674 RING_LOCALS;
1675
1676 if (radeon_check_and_fixup_offset(dev_priv, file_priv, &tex->offset)) {
1677 DRM_ERROR("Invalid destination offset\n");
1678 return -EINVAL;
1679 }
1680
1681 dev_priv->stats.boxes |= RADEON_BOX_TEXTURE_LOAD;
1682
1683 /* Flush the pixel cache. This ensures no pixel data gets mixed
1684 * up with the texture data from the host data blit, otherwise
1685 * part of the texture image may be corrupted.
1686 */
1687 BEGIN_RING(4);
1688 RADEON_FLUSH_CACHE();
1689 RADEON_WAIT_UNTIL_IDLE();
1690 ADVANCE_RING();
1691
1692 /* The compiler won't optimize away a division by a variable,
1693 * even if the only legal values are powers of two. Thus, we'll
1694 * use a shift instead.
1695 */
1696 switch (tex->format) {
1697 case RADEON_TXFORMAT_ARGB8888:
1698 case RADEON_TXFORMAT_RGBA8888:
1699 format = RADEON_COLOR_FORMAT_ARGB8888;
1700 tex_width = tex->width * 4;
1701 blit_width = image->width * 4;
1702 break;
1703 case RADEON_TXFORMAT_AI88:
1704 case RADEON_TXFORMAT_ARGB1555:
1705 case RADEON_TXFORMAT_RGB565:
1706 case RADEON_TXFORMAT_ARGB4444:
1707 case RADEON_TXFORMAT_VYUY422:
1708 case RADEON_TXFORMAT_YVYU422:
1709 format = RADEON_COLOR_FORMAT_RGB565;
1710 tex_width = tex->width * 2;
1711 blit_width = image->width * 2;
1712 break;
1713 case RADEON_TXFORMAT_I8:
1714 case RADEON_TXFORMAT_RGB332:
1715 format = RADEON_COLOR_FORMAT_CI8;
1716 tex_width = tex->width * 1;
1717 blit_width = image->width * 1;
1718 break;
1719 default:
1720 DRM_ERROR("invalid texture format %d\n", tex->format);
1721 return -EINVAL;
1722 }
1723 spitch = blit_width >> 6;
1724 if (spitch == 0 && image->height > 1)
1725 return -EINVAL;
1726
1727 texpitch = tex->pitch;
1728 if ((texpitch << 22) & RADEON_DST_TILE_MICRO) {
1729 microtile = 1;
1730 if (tex_width < 64) {
1731 texpitch &= ~(RADEON_DST_TILE_MICRO >> 22);
1732 /* we got tiled coordinates, untile them */
1733 image->x *= 2;
1734 }
1735 } else
1736 microtile = 0;
1737
1738 /* this might fail for zero-sized uploads - are those illegal? */
1739 if (!radeon_check_offset(dev_priv, tex->offset + image->height *
1740 blit_width - 1)) {
1741 DRM_ERROR("Invalid final destination offset\n");
1742 return -EINVAL;
1743 }
1744
1745 DRM_DEBUG("tex=%dx%d blit=%d\n", tex_width, tex->height, blit_width);
1746
1747 do {
1748 DRM_DEBUG("tex: ofs=0x%x p=%d f=%d x=%hd y=%hd w=%hd h=%hd\n",
1749 tex->offset >> 10, tex->pitch, tex->format,
1750 image->x, image->y, image->width, image->height);
1751
1752 /* Make a copy of some parameters in case we have to
1753 * update them for a multi-pass texture blit.
1754 */
1755 height = image->height;
1756 data = (const u8 __user *)image->data;
1757
1758 size = height * blit_width;
1759
1760 if (size > RADEON_MAX_TEXTURE_SIZE) {
1761 height = RADEON_MAX_TEXTURE_SIZE / blit_width;
1762 size = height * blit_width;
1763 } else if (size < 4 && size > 0) {
1764 size = 4;
1765 } else if (size == 0) {
1766 return 0;
1767 }
1768
1769 buf = radeon_freelist_get(dev);
1770 if (0 && !buf) {
1771 radeon_do_cp_idle(dev_priv);
1772 buf = radeon_freelist_get(dev);
1773 }
1774 if (!buf) {
1775 DRM_DEBUG("EAGAIN\n");
1776 if (DRM_COPY_TO_USER(tex->image, image, sizeof(*image)))
1777 return -EFAULT;
1778 return -EAGAIN;
1779 }
1780
1781 /* Dispatch the indirect buffer.
1782 */
1783 buffer =
1784 (u32 *) ((char *)dev->agp_buffer_map->handle + buf->offset);
1785 dwords = size / 4;
1786
1787 #define RADEON_COPY_MT(_buf, _data, _width) \
1788 do { \
1789 if (DRM_COPY_FROM_USER(_buf, _data, (_width))) {\
1790 DRM_ERROR("EFAULT on pad, %d bytes\n", (_width)); \
1791 return -EFAULT; \
1792 } \
1793 } while(0)
1794
1795 if (microtile) {
1796 /* texture micro tiling in use, minimum texture width is thus 16 bytes.
1797 however, we cannot use blitter directly for texture width < 64 bytes,
1798 since minimum tex pitch is 64 bytes and we need this to match
1799 the texture width, otherwise the blitter will tile it wrong.
1800 Thus, tiling manually in this case. Additionally, need to special
1801 case tex height = 1, since our actual image will have height 2
1802 and we need to ensure we don't read beyond the texture size
1803 from user space. */
1804 if (tex->height == 1) {
1805 if (tex_width >= 64 || tex_width <= 16) {
1806 RADEON_COPY_MT(buffer, data,
1807 (int)(tex_width * sizeof(u32)));
1808 } else if (tex_width == 32) {
1809 RADEON_COPY_MT(buffer, data, 16);
1810 RADEON_COPY_MT(buffer + 8,
1811 data + 16, 16);
1812 }
1813 } else if (tex_width >= 64 || tex_width == 16) {
1814 RADEON_COPY_MT(buffer, data,
1815 (int)(dwords * sizeof(u32)));
1816 } else if (tex_width < 16) {
1817 for (i = 0; i < tex->height; i++) {
1818 RADEON_COPY_MT(buffer, data, tex_width);
1819 buffer += 4;
1820 data += tex_width;
1821 }
1822 } else if (tex_width == 32) {
1823 /* TODO: make sure this works when not fitting in one buffer
1824 (i.e. 32bytes x 2048...) */
1825 for (i = 0; i < tex->height; i += 2) {
1826 RADEON_COPY_MT(buffer, data, 16);
1827 data += 16;
1828 RADEON_COPY_MT(buffer + 8, data, 16);
1829 data += 16;
1830 RADEON_COPY_MT(buffer + 4, data, 16);
1831 data += 16;
1832 RADEON_COPY_MT(buffer + 12, data, 16);
1833 data += 16;
1834 buffer += 16;
1835 }
1836 }
1837 } else {
1838 if (tex_width >= 32) {
1839 /* Texture image width is larger than the minimum, so we
1840 * can upload it directly.
1841 */
1842 RADEON_COPY_MT(buffer, data,
1843 (int)(dwords * sizeof(u32)));
1844 } else {
1845 /* Texture image width is less than the minimum, so we
1846 * need to pad out each image scanline to the minimum
1847 * width.
1848 */
1849 for (i = 0; i < tex->height; i++) {
1850 RADEON_COPY_MT(buffer, data, tex_width);
1851 buffer += 8;
1852 data += tex_width;
1853 }
1854 }
1855 }
1856
1857 #undef RADEON_COPY_MT
1858 byte_offset = (image->y & ~2047) * blit_width;
1859 buf->file_priv = file_priv;
1860 buf->used = size;
1861 offset = dev_priv->gart_buffers_offset + buf->offset;
1862 BEGIN_RING(9);
1863 OUT_RING(CP_PACKET3(RADEON_CNTL_BITBLT_MULTI, 5));
1864 OUT_RING(RADEON_GMC_SRC_PITCH_OFFSET_CNTL |
1865 RADEON_GMC_DST_PITCH_OFFSET_CNTL |
1866 RADEON_GMC_BRUSH_NONE |
1867 (format << 8) |
1868 RADEON_GMC_SRC_DATATYPE_COLOR |
1869 RADEON_ROP3_S |
1870 RADEON_DP_SRC_SOURCE_MEMORY |
1871 RADEON_GMC_CLR_CMP_CNTL_DIS | RADEON_GMC_WR_MSK_DIS);
1872 OUT_RING((spitch << 22) | (offset >> 10));
1873 OUT_RING((texpitch << 22) | ((tex->offset >> 10) + (byte_offset >> 10)));
1874 OUT_RING(0);
1875 OUT_RING((image->x << 16) | (image->y % 2048));
1876 OUT_RING((image->width << 16) | height);
1877 RADEON_WAIT_UNTIL_2D_IDLE();
1878 ADVANCE_RING();
1879 COMMIT_RING();
1880
1881 radeon_cp_discard_buffer(dev, buf);
1882
1883 /* Update the input parameters for next time */
1884 image->y += height;
1885 image->height -= height;
1886 image->data = (const u8 __user *)image->data + size;
1887 } while (image->height > 0);
1888
1889 /* Flush the pixel cache after the blit completes. This ensures
1890 * the texture data is written out to memory before rendering
1891 * continues.
1892 */
1893 BEGIN_RING(4);
1894 RADEON_FLUSH_CACHE();
1895 RADEON_WAIT_UNTIL_2D_IDLE();
1896 ADVANCE_RING();
1897 COMMIT_RING();
1898
1899 return 0;
1900 }
1901
1902 static void radeon_cp_dispatch_stipple(struct drm_device * dev, u32 * stipple)
1903 {
1904 drm_radeon_private_t *dev_priv = dev->dev_private;
1905 int i;
1906 RING_LOCALS;
1907 DRM_DEBUG("\n");
1908
1909 BEGIN_RING(35);
1910
1911 OUT_RING(CP_PACKET0(RADEON_RE_STIPPLE_ADDR, 0));
1912 OUT_RING(0x00000000);
1913
1914 OUT_RING(CP_PACKET0_TABLE(RADEON_RE_STIPPLE_DATA, 31));
1915 for (i = 0; i < 32; i++) {
1916 OUT_RING(stipple[i]);
1917 }
1918
1919 ADVANCE_RING();
1920 }
1921
1922 static void radeon_apply_surface_regs(int surf_index,
1923 drm_radeon_private_t *dev_priv)
1924 {
1925 if (!dev_priv->mmio)
1926 return;
1927
1928 radeon_do_cp_idle(dev_priv);
1929
1930 RADEON_WRITE(RADEON_SURFACE0_INFO + 16 * surf_index,
1931 dev_priv->surfaces[surf_index].flags);
1932 RADEON_WRITE(RADEON_SURFACE0_LOWER_BOUND + 16 * surf_index,
1933 dev_priv->surfaces[surf_index].lower);
1934 RADEON_WRITE(RADEON_SURFACE0_UPPER_BOUND + 16 * surf_index,
1935 dev_priv->surfaces[surf_index].upper);
1936 }
1937
1938 /* Allocates a virtual surface
1939 * doesn't always allocate a real surface, will stretch an existing
1940 * surface when possible.
1941 *
1942 * Note that refcount can be at most 2, since during a free refcount=3
1943 * might mean we have to allocate a new surface which might not always
1944 * be available.
1945 * For example : we allocate three contigous surfaces ABC. If B is
1946 * freed, we suddenly need two surfaces to store A and C, which might
1947 * not always be available.
1948 */
1949 static int alloc_surface(drm_radeon_surface_alloc_t *new,
1950 drm_radeon_private_t *dev_priv,
1951 struct drm_file *file_priv)
1952 {
1953 struct radeon_virt_surface *s;
1954 int i;
1955 int virt_surface_index;
1956 uint32_t new_upper, new_lower;
1957
1958 new_lower = new->address;
1959 new_upper = new_lower + new->size - 1;
1960
1961 /* sanity check */
1962 if ((new_lower >= new_upper) || (new->flags == 0) || (new->size == 0) ||
1963 ((new_upper & RADEON_SURF_ADDRESS_FIXED_MASK) !=
1964 RADEON_SURF_ADDRESS_FIXED_MASK)
1965 || ((new_lower & RADEON_SURF_ADDRESS_FIXED_MASK) != 0))
1966 return -1;
1967
1968 /* make sure there is no overlap with existing surfaces */
1969 for (i = 0; i < RADEON_MAX_SURFACES; i++) {
1970 if ((dev_priv->surfaces[i].refcount != 0) &&
1971 (((new_lower >= dev_priv->surfaces[i].lower) &&
1972 (new_lower < dev_priv->surfaces[i].upper)) ||
1973 ((new_lower < dev_priv->surfaces[i].lower) &&
1974 (new_upper > dev_priv->surfaces[i].lower)))) {
1975 return -1;
1976 }
1977 }
1978
1979 /* find a virtual surface */
1980 for (i = 0; i < 2 * RADEON_MAX_SURFACES; i++)
1981 if (dev_priv->virt_surfaces[i].file_priv == 0)
1982 break;
1983 if (i == 2 * RADEON_MAX_SURFACES) {
1984 return -1;
1985 }
1986 virt_surface_index = i;
1987
1988 /* try to reuse an existing surface */
1989 for (i = 0; i < RADEON_MAX_SURFACES; i++) {
1990 /* extend before */
1991 if ((dev_priv->surfaces[i].refcount == 1) &&
1992 (new->flags == dev_priv->surfaces[i].flags) &&
1993 (new_upper + 1 == dev_priv->surfaces[i].lower)) {
1994 s = &(dev_priv->virt_surfaces[virt_surface_index]);
1995 s->surface_index = i;
1996 s->lower = new_lower;
1997 s->upper = new_upper;
1998 s->flags = new->flags;
1999 s->file_priv = file_priv;
2000 dev_priv->surfaces[i].refcount++;
2001 dev_priv->surfaces[i].lower = s->lower;
2002 radeon_apply_surface_regs(s->surface_index, dev_priv);
2003 return virt_surface_index;
2004 }
2005
2006 /* extend after */
2007 if ((dev_priv->surfaces[i].refcount == 1) &&
2008 (new->flags == dev_priv->surfaces[i].flags) &&
2009 (new_lower == dev_priv->surfaces[i].upper + 1)) {
2010 s = &(dev_priv->virt_surfaces[virt_surface_index]);
2011 s->surface_index = i;
2012 s->lower = new_lower;
2013 s->upper = new_upper;
2014 s->flags = new->flags;
2015 s->file_priv = file_priv;
2016 dev_priv->surfaces[i].refcount++;
2017 dev_priv->surfaces[i].upper = s->upper;
2018 radeon_apply_surface_regs(s->surface_index, dev_priv);
2019 return virt_surface_index;
2020 }
2021 }
2022
2023 /* okay, we need a new one */
2024 for (i = 0; i < RADEON_MAX_SURFACES; i++) {
2025 if (dev_priv->surfaces[i].refcount == 0) {
2026 s = &(dev_priv->virt_surfaces[virt_surface_index]);
2027 s->surface_index = i;
2028 s->lower = new_lower;
2029 s->upper = new_upper;
2030 s->flags = new->flags;
2031 s->file_priv = file_priv;
2032 dev_priv->surfaces[i].refcount = 1;
2033 dev_priv->surfaces[i].lower = s->lower;
2034 dev_priv->surfaces[i].upper = s->upper;
2035 dev_priv->surfaces[i].flags = s->flags;
2036 radeon_apply_surface_regs(s->surface_index, dev_priv);
2037 return virt_surface_index;
2038 }
2039 }
2040
2041 /* we didn't find anything */
2042 return -1;
2043 }
2044
2045 static int free_surface(struct drm_file *file_priv,
2046 drm_radeon_private_t * dev_priv,
2047 int lower)
2048 {
2049 struct radeon_virt_surface *s;
2050 int i;
2051 /* find the virtual surface */
2052 for (i = 0; i < 2 * RADEON_MAX_SURFACES; i++) {
2053 s = &(dev_priv->virt_surfaces[i]);
2054 if (s->file_priv) {
2055 if ((lower == s->lower) && (file_priv == s->file_priv))
2056 {
2057 if (dev_priv->surfaces[s->surface_index].
2058 lower == s->lower)
2059 dev_priv->surfaces[s->surface_index].
2060 lower = s->upper;
2061
2062 if (dev_priv->surfaces[s->surface_index].
2063 upper == s->upper)
2064 dev_priv->surfaces[s->surface_index].
2065 upper = s->lower;
2066
2067 dev_priv->surfaces[s->surface_index].refcount--;
2068 if (dev_priv->surfaces[s->surface_index].
2069 refcount == 0)
2070 dev_priv->surfaces[s->surface_index].
2071 flags = 0;
2072 s->file_priv = NULL;
2073 radeon_apply_surface_regs(s->surface_index,
2074 dev_priv);
2075 return 0;
2076 }
2077 }
2078 }
2079 return 1;
2080 }
2081
2082 static void radeon_surfaces_release(struct drm_file *file_priv,
2083 drm_radeon_private_t * dev_priv)
2084 {
2085 int i;
2086 for (i = 0; i < 2 * RADEON_MAX_SURFACES; i++) {
2087 if (dev_priv->virt_surfaces[i].file_priv == file_priv)
2088 free_surface(file_priv, dev_priv,
2089 dev_priv->virt_surfaces[i].lower);
2090 }
2091 }
2092
2093 /* ================================================================
2094 * IOCTL functions
2095 */
2096 static int radeon_surface_alloc(struct drm_device *dev, void *data, struct drm_file *file_priv)
2097 {
2098 drm_radeon_private_t *dev_priv = dev->dev_private;
2099 drm_radeon_surface_alloc_t *alloc = data;
2100
2101 if (alloc_surface(alloc, dev_priv, file_priv) == -1)
2102 return -EINVAL;
2103 else
2104 return 0;
2105 }
2106
2107 static int radeon_surface_free(struct drm_device *dev, void *data, struct drm_file *file_priv)
2108 {
2109 drm_radeon_private_t *dev_priv = dev->dev_private;
2110 drm_radeon_surface_free_t *memfree = data;
2111
2112 if (free_surface(file_priv, dev_priv, memfree->address))
2113 return -EINVAL;
2114 else
2115 return 0;
2116 }
2117
2118 static int radeon_cp_clear(struct drm_device *dev, void *data, struct drm_file *file_priv)
2119 {
2120 drm_radeon_private_t *dev_priv = dev->dev_private;
2121 drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv;
2122 drm_radeon_clear_t *clear = data;
2123 drm_radeon_clear_rect_t depth_boxes[RADEON_NR_SAREA_CLIPRECTS];
2124 DRM_DEBUG("\n");
2125
2126 LOCK_TEST_WITH_RETURN(dev, file_priv);
2127
2128 RING_SPACE_TEST_WITH_RETURN(dev_priv);
2129
2130 if (sarea_priv->nbox > RADEON_NR_SAREA_CLIPRECTS)
2131 sarea_priv->nbox = RADEON_NR_SAREA_CLIPRECTS;
2132
2133 if (DRM_COPY_FROM_USER(&depth_boxes, clear->depth_boxes,
2134 sarea_priv->nbox * sizeof(depth_boxes[0])))
2135 return -EFAULT;
2136
2137 radeon_cp_dispatch_clear(dev, clear, depth_boxes);
2138
2139 COMMIT_RING();
2140 return 0;
2141 }
2142
2143 /* Not sure why this isn't set all the time:
2144 */
2145 static int radeon_do_init_pageflip(struct drm_device *dev)
2146 {
2147 drm_radeon_private_t *dev_priv = dev->dev_private;
2148 RING_LOCALS;
2149
2150 DRM_DEBUG("\n");
2151
2152 BEGIN_RING(6);
2153 RADEON_WAIT_UNTIL_3D_IDLE();
2154 OUT_RING(CP_PACKET0(RADEON_CRTC_OFFSET_CNTL, 0));
2155 OUT_RING(RADEON_READ(RADEON_CRTC_OFFSET_CNTL) |
2156 RADEON_CRTC_OFFSET_FLIP_CNTL);
2157 OUT_RING(CP_PACKET0(RADEON_CRTC2_OFFSET_CNTL, 0));
2158 OUT_RING(RADEON_READ(RADEON_CRTC2_OFFSET_CNTL) |
2159 RADEON_CRTC_OFFSET_FLIP_CNTL);
2160 ADVANCE_RING();
2161
2162 dev_priv->page_flipping = 1;
2163
2164 if (dev_priv->sarea_priv->pfCurrentPage != 1)
2165 dev_priv->sarea_priv->pfCurrentPage = 0;
2166
2167 return 0;
2168 }
2169
2170 /* Swapping and flipping are different operations, need different ioctls.
2171 * They can & should be intermixed to support multiple 3d windows.
2172 */
2173 static int radeon_cp_flip(struct drm_device *dev, void *data, struct drm_file *file_priv)
2174 {
2175 drm_radeon_private_t *dev_priv = dev->dev_private;
2176 DRM_DEBUG("\n");
2177
2178 LOCK_TEST_WITH_RETURN(dev, file_priv);
2179
2180 RING_SPACE_TEST_WITH_RETURN(dev_priv);
2181
2182 if (!dev_priv->page_flipping)
2183 radeon_do_init_pageflip(dev);
2184
2185 radeon_cp_dispatch_flip(dev);
2186
2187 COMMIT_RING();
2188 return 0;
2189 }
2190
2191 static int radeon_cp_swap(struct drm_device *dev, void *data, struct drm_file *file_priv)
2192 {
2193 drm_radeon_private_t *dev_priv = dev->dev_private;
2194 drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv;
2195
2196 DRM_DEBUG("\n");
2197
2198 LOCK_TEST_WITH_RETURN(dev, file_priv);
2199
2200 RING_SPACE_TEST_WITH_RETURN(dev_priv);
2201
2202 if (sarea_priv->nbox > RADEON_NR_SAREA_CLIPRECTS)
2203 sarea_priv->nbox = RADEON_NR_SAREA_CLIPRECTS;
2204
2205 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
2206 r600_cp_dispatch_swap(dev);
2207 else
2208 radeon_cp_dispatch_swap(dev);
2209 sarea_priv->ctx_owner = 0;
2210
2211 COMMIT_RING();
2212 return 0;
2213 }
2214
2215 static int radeon_cp_vertex(struct drm_device *dev, void *data, struct drm_file *file_priv)
2216 {
2217 drm_radeon_private_t *dev_priv = dev->dev_private;
2218 drm_radeon_sarea_t *sarea_priv;
2219 struct drm_device_dma *dma = dev->dma;
2220 struct drm_buf *buf;
2221 drm_radeon_vertex_t *vertex = data;
2222 drm_radeon_tcl_prim_t prim;
2223
2224 LOCK_TEST_WITH_RETURN(dev, file_priv);
2225
2226 sarea_priv = dev_priv->sarea_priv;
2227
2228 DRM_DEBUG("pid=%d index=%d count=%d discard=%d\n",
2229 DRM_CURRENTPID, vertex->idx, vertex->count, vertex->discard);
2230
2231 if (vertex->idx < 0 || vertex->idx >= dma->buf_count) {
2232 DRM_ERROR("buffer index %d (of %d max)\n",
2233 vertex->idx, dma->buf_count - 1);
2234 return -EINVAL;
2235 }
2236 if (vertex->prim < 0 || vertex->prim > RADEON_PRIM_TYPE_3VRT_LINE_LIST) {
2237 DRM_ERROR("buffer prim %d\n", vertex->prim);
2238 return -EINVAL;
2239 }
2240
2241 RING_SPACE_TEST_WITH_RETURN(dev_priv);
2242 VB_AGE_TEST_WITH_RETURN(dev_priv);
2243
2244 buf = dma->buflist[vertex->idx];
2245
2246 if (buf->file_priv != file_priv) {
2247 DRM_ERROR("process %d using buffer owned by %p\n",
2248 DRM_CURRENTPID, buf->file_priv);
2249 return -EINVAL;
2250 }
2251 if (buf->pending) {
2252 DRM_ERROR("sending pending buffer %d\n", vertex->idx);
2253 return -EINVAL;
2254 }
2255
2256 /* Build up a prim_t record:
2257 */
2258 if (vertex->count) {
2259 buf->used = vertex->count; /* not used? */
2260
2261 if (sarea_priv->dirty & ~RADEON_UPLOAD_CLIPRECTS) {
2262 if (radeon_emit_state(dev_priv, file_priv,
2263 &sarea_priv->context_state,
2264 sarea_priv->tex_state,
2265 sarea_priv->dirty)) {
2266 DRM_ERROR("radeon_emit_state failed\n");
2267 return -EINVAL;
2268 }
2269
2270 sarea_priv->dirty &= ~(RADEON_UPLOAD_TEX0IMAGES |
2271 RADEON_UPLOAD_TEX1IMAGES |
2272 RADEON_UPLOAD_TEX2IMAGES |
2273 RADEON_REQUIRE_QUIESCENCE);
2274 }
2275
2276 prim.start = 0;
2277 prim.finish = vertex->count; /* unused */
2278 prim.prim = vertex->prim;
2279 prim.numverts = vertex->count;
2280 prim.vc_format = sarea_priv->vc_format;
2281
2282 radeon_cp_dispatch_vertex(dev, buf, &prim);
2283 }
2284
2285 if (vertex->discard) {
2286 radeon_cp_discard_buffer(dev, buf);
2287 }
2288
2289 COMMIT_RING();
2290 return 0;
2291 }
2292
2293 static int radeon_cp_indices(struct drm_device *dev, void *data, struct drm_file *file_priv)
2294 {
2295 drm_radeon_private_t *dev_priv = dev->dev_private;
2296 drm_radeon_sarea_t *sarea_priv;
2297 struct drm_device_dma *dma = dev->dma;
2298 struct drm_buf *buf;
2299 drm_radeon_indices_t *elts = data;
2300 drm_radeon_tcl_prim_t prim;
2301 int count;
2302
2303 LOCK_TEST_WITH_RETURN(dev, file_priv);
2304
2305 sarea_priv = dev_priv->sarea_priv;
2306
2307 DRM_DEBUG("pid=%d index=%d start=%d end=%d discard=%d\n",
2308 DRM_CURRENTPID, elts->idx, elts->start, elts->end,
2309 elts->discard);
2310
2311 if (elts->idx < 0 || elts->idx >= dma->buf_count) {
2312 DRM_ERROR("buffer index %d (of %d max)\n",
2313 elts->idx, dma->buf_count - 1);
2314 return -EINVAL;
2315 }
2316 if (elts->prim < 0 || elts->prim > RADEON_PRIM_TYPE_3VRT_LINE_LIST) {
2317 DRM_ERROR("buffer prim %d\n", elts->prim);
2318 return -EINVAL;
2319 }
2320
2321 RING_SPACE_TEST_WITH_RETURN(dev_priv);
2322 VB_AGE_TEST_WITH_RETURN(dev_priv);
2323
2324 buf = dma->buflist[elts->idx];
2325
2326 if (buf->file_priv != file_priv) {
2327 DRM_ERROR("process %d using buffer owned by %p\n",
2328 DRM_CURRENTPID, buf->file_priv);
2329 return -EINVAL;
2330 }
2331 if (buf->pending) {
2332 DRM_ERROR("sending pending buffer %d\n", elts->idx);
2333 return -EINVAL;
2334 }
2335
2336 count = (elts->end - elts->start) / sizeof(u16);
2337 elts->start -= RADEON_INDEX_PRIM_OFFSET;
2338
2339 if (elts->start & 0x7) {
2340 DRM_ERROR("misaligned buffer 0x%x\n", elts->start);
2341 return -EINVAL;
2342 }
2343 if (elts->start < buf->used) {
2344 DRM_ERROR("no header 0x%x - 0x%x\n", elts->start, buf->used);
2345 return -EINVAL;
2346 }
2347
2348 buf->used = elts->end;
2349
2350 if (sarea_priv->dirty & ~RADEON_UPLOAD_CLIPRECTS) {
2351 if (radeon_emit_state(dev_priv, file_priv,
2352 &sarea_priv->context_state,
2353 sarea_priv->tex_state,
2354 sarea_priv->dirty)) {
2355 DRM_ERROR("radeon_emit_state failed\n");
2356 return -EINVAL;
2357 }
2358
2359 sarea_priv->dirty &= ~(RADEON_UPLOAD_TEX0IMAGES |
2360 RADEON_UPLOAD_TEX1IMAGES |
2361 RADEON_UPLOAD_TEX2IMAGES |
2362 RADEON_REQUIRE_QUIESCENCE);
2363 }
2364
2365 /* Build up a prim_t record:
2366 */
2367 prim.start = elts->start;
2368 prim.finish = elts->end;
2369 prim.prim = elts->prim;
2370 prim.offset = 0; /* offset from start of dma buffers */
2371 prim.numverts = RADEON_MAX_VB_VERTS; /* duh */
2372 prim.vc_format = sarea_priv->vc_format;
2373
2374 radeon_cp_dispatch_indices(dev, buf, &prim);
2375 if (elts->discard) {
2376 radeon_cp_discard_buffer(dev, buf);
2377 }
2378
2379 COMMIT_RING();
2380 return 0;
2381 }
2382
2383 static int radeon_cp_texture(struct drm_device *dev, void *data, struct drm_file *file_priv)
2384 {
2385 drm_radeon_private_t *dev_priv = dev->dev_private;
2386 drm_radeon_texture_t *tex = data;
2387 drm_radeon_tex_image_t image;
2388 int ret;
2389
2390 LOCK_TEST_WITH_RETURN(dev, file_priv);
2391
2392 if (tex->image == NULL) {
2393 DRM_ERROR("null texture image!\n");
2394 return -EINVAL;
2395 }
2396
2397 if (DRM_COPY_FROM_USER(&image,
2398 (drm_radeon_tex_image_t __user *) tex->image,
2399 sizeof(image)))
2400 return -EFAULT;
2401
2402 RING_SPACE_TEST_WITH_RETURN(dev_priv);
2403 VB_AGE_TEST_WITH_RETURN(dev_priv);
2404
2405 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
2406 ret = r600_cp_dispatch_texture(dev, file_priv, tex, &image);
2407 else
2408 ret = radeon_cp_dispatch_texture(dev, file_priv, tex, &image);
2409
2410 return ret;
2411 }
2412
2413 static int radeon_cp_stipple(struct drm_device *dev, void *data, struct drm_file *file_priv)
2414 {
2415 drm_radeon_private_t *dev_priv = dev->dev_private;
2416 drm_radeon_stipple_t *stipple = data;
2417 u32 mask[32];
2418
2419 LOCK_TEST_WITH_RETURN(dev, file_priv);
2420
2421 if (DRM_COPY_FROM_USER(&mask, stipple->mask, 32 * sizeof(u32)))
2422 return -EFAULT;
2423
2424 RING_SPACE_TEST_WITH_RETURN(dev_priv);
2425
2426 radeon_cp_dispatch_stipple(dev, mask);
2427
2428 COMMIT_RING();
2429 return 0;
2430 }
2431
2432 static int radeon_cp_indirect(struct drm_device *dev, void *data, struct drm_file *file_priv)
2433 {
2434 drm_radeon_private_t *dev_priv = dev->dev_private;
2435 struct drm_device_dma *dma = dev->dma;
2436 struct drm_buf *buf;
2437 drm_radeon_indirect_t *indirect = data;
2438 RING_LOCALS;
2439
2440 LOCK_TEST_WITH_RETURN(dev, file_priv);
2441
2442 if (!dev_priv) {
2443 DRM_ERROR("called with no initialization\n");
2444 return -EINVAL;
2445 }
2446
2447 DRM_DEBUG("idx=%d s=%d e=%d d=%d\n",
2448 indirect->idx, indirect->start, indirect->end,
2449 indirect->discard);
2450
2451 if (indirect->idx < 0 || indirect->idx >= dma->buf_count) {
2452 DRM_ERROR("buffer index %d (of %d max)\n",
2453 indirect->idx, dma->buf_count - 1);
2454 return -EINVAL;
2455 }
2456
2457 buf = dma->buflist[indirect->idx];
2458
2459 if (buf->file_priv != file_priv) {
2460 DRM_ERROR("process %d using buffer owned by %p\n",
2461 DRM_CURRENTPID, buf->file_priv);
2462 return -EINVAL;
2463 }
2464 if (buf->pending) {
2465 DRM_ERROR("sending pending buffer %d\n", indirect->idx);
2466 return -EINVAL;
2467 }
2468
2469 if (indirect->start < buf->used) {
2470 DRM_ERROR("reusing indirect: start=0x%x actual=0x%x\n",
2471 indirect->start, buf->used);
2472 return -EINVAL;
2473 }
2474
2475 RING_SPACE_TEST_WITH_RETURN(dev_priv);
2476 VB_AGE_TEST_WITH_RETURN(dev_priv);
2477
2478 buf->used = indirect->end;
2479
2480 /* Dispatch the indirect buffer full of commands from the
2481 * X server. This is insecure and is thus only available to
2482 * privileged clients.
2483 */
2484 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
2485 r600_cp_dispatch_indirect(dev, buf, indirect->start, indirect->end);
2486 else {
2487 /* Wait for the 3D stream to idle before the indirect buffer
2488 * containing 2D acceleration commands is processed.
2489 */
2490 BEGIN_RING(2);
2491 RADEON_WAIT_UNTIL_3D_IDLE();
2492 ADVANCE_RING();
2493 radeon_cp_dispatch_indirect(dev, buf, indirect->start, indirect->end);
2494 }
2495
2496 if (indirect->discard)
2497 radeon_cp_discard_buffer(dev, buf);
2498
2499 COMMIT_RING();
2500 return 0;
2501 }
2502
2503 static int radeon_cp_vertex2(struct drm_device *dev, void *data, struct drm_file *file_priv)
2504 {
2505 drm_radeon_private_t *dev_priv = dev->dev_private;
2506 drm_radeon_sarea_t *sarea_priv;
2507 struct drm_device_dma *dma = dev->dma;
2508 struct drm_buf *buf;
2509 drm_radeon_vertex2_t *vertex = data;
2510 int i;
2511 unsigned char laststate;
2512
2513 LOCK_TEST_WITH_RETURN(dev, file_priv);
2514
2515 sarea_priv = dev_priv->sarea_priv;
2516
2517 DRM_DEBUG("pid=%d index=%d discard=%d\n",
2518 DRM_CURRENTPID, vertex->idx, vertex->discard);
2519
2520 if (vertex->idx < 0 || vertex->idx >= dma->buf_count) {
2521 DRM_ERROR("buffer index %d (of %d max)\n",
2522 vertex->idx, dma->buf_count - 1);
2523 return -EINVAL;
2524 }
2525
2526 RING_SPACE_TEST_WITH_RETURN(dev_priv);
2527 VB_AGE_TEST_WITH_RETURN(dev_priv);
2528
2529 buf = dma->buflist[vertex->idx];
2530
2531 if (buf->file_priv != file_priv) {
2532 DRM_ERROR("process %d using buffer owned by %p\n",
2533 DRM_CURRENTPID, buf->file_priv);
2534 return -EINVAL;
2535 }
2536
2537 if (buf->pending) {
2538 DRM_ERROR("sending pending buffer %d\n", vertex->idx);
2539 return -EINVAL;
2540 }
2541
2542 if (sarea_priv->nbox > RADEON_NR_SAREA_CLIPRECTS)
2543 return -EINVAL;
2544
2545 for (laststate = 0xff, i = 0; i < vertex->nr_prims; i++) {
2546 drm_radeon_prim_t prim;
2547 drm_radeon_tcl_prim_t tclprim;
2548
2549 if (DRM_COPY_FROM_USER(&prim, &vertex->prim[i], sizeof(prim)))
2550 return -EFAULT;
2551
2552 if (prim.stateidx != laststate) {
2553 drm_radeon_state_t state;
2554
2555 if (DRM_COPY_FROM_USER(&state,
2556 &vertex->state[prim.stateidx],
2557 sizeof(state)))
2558 return -EFAULT;
2559
2560 if (radeon_emit_state2(dev_priv, file_priv, &state)) {
2561 DRM_ERROR("radeon_emit_state2 failed\n");
2562 return -EINVAL;
2563 }
2564
2565 laststate = prim.stateidx;
2566 }
2567
2568 tclprim.start = prim.start;
2569 tclprim.finish = prim.finish;
2570 tclprim.prim = prim.prim;
2571 tclprim.vc_format = prim.vc_format;
2572
2573 if (prim.prim & RADEON_PRIM_WALK_IND) {
2574 tclprim.offset = prim.numverts * 64;
2575 tclprim.numverts = RADEON_MAX_VB_VERTS; /* duh */
2576
2577 radeon_cp_dispatch_indices(dev, buf, &tclprim);
2578 } else {
2579 tclprim.numverts = prim.numverts;
2580 tclprim.offset = 0; /* not used */
2581
2582 radeon_cp_dispatch_vertex(dev, buf, &tclprim);
2583 }
2584
2585 if (sarea_priv->nbox == 1)
2586 sarea_priv->nbox = 0;
2587 }
2588
2589 if (vertex->discard) {
2590 radeon_cp_discard_buffer(dev, buf);
2591 }
2592
2593 COMMIT_RING();
2594 return 0;
2595 }
2596
2597 static int radeon_emit_packets(drm_radeon_private_t * dev_priv,
2598 struct drm_file *file_priv,
2599 drm_radeon_cmd_header_t header,
2600 drm_radeon_kcmd_buffer_t *cmdbuf)
2601 {
2602 int id = (int)header.packet.packet_id;
2603 int sz, reg;
2604 int *data = (int *)cmdbuf->buf;
2605 RING_LOCALS;
2606
2607 if (id >= RADEON_MAX_STATE_PACKETS)
2608 return -EINVAL;
2609
2610 sz = packet[id].len;
2611 reg = packet[id].start;
2612
2613 if (sz * sizeof(int) > cmdbuf->bufsz) {
2614 DRM_ERROR("Packet size provided larger than data provided\n");
2615 return -EINVAL;
2616 }
2617
2618 if (radeon_check_and_fixup_packets(dev_priv, file_priv, id, data)) {
2619 DRM_ERROR("Packet verification failed\n");
2620 return -EINVAL;
2621 }
2622
2623 BEGIN_RING(sz + 1);
2624 OUT_RING(CP_PACKET0(reg, (sz - 1)));
2625 OUT_RING_TABLE(data, sz);
2626 ADVANCE_RING();
2627
2628 cmdbuf->buf += sz * sizeof(int);
2629 cmdbuf->bufsz -= sz * sizeof(int);
2630 return 0;
2631 }
2632
2633 static __inline__ int radeon_emit_scalars(drm_radeon_private_t *dev_priv,
2634 drm_radeon_cmd_header_t header,
2635 drm_radeon_kcmd_buffer_t *cmdbuf)
2636 {
2637 int sz = header.scalars.count;
2638 int start = header.scalars.offset;
2639 int stride = header.scalars.stride;
2640 RING_LOCALS;
2641
2642 BEGIN_RING(3 + sz);
2643 OUT_RING(CP_PACKET0(RADEON_SE_TCL_SCALAR_INDX_REG, 0));
2644 OUT_RING(start | (stride << RADEON_SCAL_INDX_DWORD_STRIDE_SHIFT));
2645 OUT_RING(CP_PACKET0_TABLE(RADEON_SE_TCL_SCALAR_DATA_REG, sz - 1));
2646 OUT_RING_TABLE(cmdbuf->buf, sz);
2647 ADVANCE_RING();
2648 cmdbuf->buf += sz * sizeof(int);
2649 cmdbuf->bufsz -= sz * sizeof(int);
2650 return 0;
2651 }
2652
2653 /* God this is ugly
2654 */
2655 static __inline__ int radeon_emit_scalars2(drm_radeon_private_t *dev_priv,
2656 drm_radeon_cmd_header_t header,
2657 drm_radeon_kcmd_buffer_t *cmdbuf)
2658 {
2659 int sz = header.scalars.count;
2660 int start = ((unsigned int)header.scalars.offset) + 0x100;
2661 int stride = header.scalars.stride;
2662 RING_LOCALS;
2663
2664 BEGIN_RING(3 + sz);
2665 OUT_RING(CP_PACKET0(RADEON_SE_TCL_SCALAR_INDX_REG, 0));
2666 OUT_RING(start | (stride << RADEON_SCAL_INDX_DWORD_STRIDE_SHIFT));
2667 OUT_RING(CP_PACKET0_TABLE(RADEON_SE_TCL_SCALAR_DATA_REG, sz - 1));
2668 OUT_RING_TABLE(cmdbuf->buf, sz);
2669 ADVANCE_RING();
2670 cmdbuf->buf += sz * sizeof(int);
2671 cmdbuf->bufsz -= sz * sizeof(int);
2672 return 0;
2673 }
2674
2675 static __inline__ int radeon_emit_vectors(drm_radeon_private_t *dev_priv,
2676 drm_radeon_cmd_header_t header,
2677 drm_radeon_kcmd_buffer_t *cmdbuf)
2678 {
2679 int sz = header.vectors.count;
2680 int start = header.vectors.offset;
2681 int stride = header.vectors.stride;
2682 RING_LOCALS;
2683
2684 BEGIN_RING(5 + sz);
2685 OUT_RING_REG(RADEON_SE_TCL_STATE_FLUSH, 0);
2686 OUT_RING(CP_PACKET0(RADEON_SE_TCL_VECTOR_INDX_REG, 0));
2687 OUT_RING(start | (stride << RADEON_VEC_INDX_OCTWORD_STRIDE_SHIFT));
2688 OUT_RING(CP_PACKET0_TABLE(RADEON_SE_TCL_VECTOR_DATA_REG, (sz - 1)));
2689 OUT_RING_TABLE(cmdbuf->buf, sz);
2690 ADVANCE_RING();
2691
2692 cmdbuf->buf += sz * sizeof(int);
2693 cmdbuf->bufsz -= sz * sizeof(int);
2694 return 0;
2695 }
2696
2697 static __inline__ int radeon_emit_veclinear(drm_radeon_private_t *dev_priv,
2698 drm_radeon_cmd_header_t header,
2699 drm_radeon_kcmd_buffer_t *cmdbuf)
2700 {
2701 int sz = header.veclinear.count * 4;
2702 int start = header.veclinear.addr_lo | (header.veclinear.addr_hi << 8);
2703 RING_LOCALS;
2704
2705 if (!sz)
2706 return 0;
2707 if (sz * 4 > cmdbuf->bufsz)
2708 return -EINVAL;
2709
2710 BEGIN_RING(5 + sz);
2711 OUT_RING_REG(RADEON_SE_TCL_STATE_FLUSH, 0);
2712 OUT_RING(CP_PACKET0(RADEON_SE_TCL_VECTOR_INDX_REG, 0));
2713 OUT_RING(start | (1 << RADEON_VEC_INDX_OCTWORD_STRIDE_SHIFT));
2714 OUT_RING(CP_PACKET0_TABLE(RADEON_SE_TCL_VECTOR_DATA_REG, (sz - 1)));
2715 OUT_RING_TABLE(cmdbuf->buf, sz);
2716 ADVANCE_RING();
2717
2718 cmdbuf->buf += sz * sizeof(int);
2719 cmdbuf->bufsz -= sz * sizeof(int);
2720 return 0;
2721 }
2722
2723 static int radeon_emit_packet3(struct drm_device * dev,
2724 struct drm_file *file_priv,
2725 drm_radeon_kcmd_buffer_t *cmdbuf)
2726 {
2727 drm_radeon_private_t *dev_priv = dev->dev_private;
2728 unsigned int cmdsz;
2729 int ret;
2730 RING_LOCALS;
2731
2732 DRM_DEBUG("\n");
2733
2734 if ((ret = radeon_check_and_fixup_packet3(dev_priv, file_priv,
2735 cmdbuf, &cmdsz))) {
2736 DRM_ERROR("Packet verification failed\n");
2737 return ret;
2738 }
2739
2740 BEGIN_RING(cmdsz);
2741 OUT_RING_TABLE(cmdbuf->buf, cmdsz);
2742 ADVANCE_RING();
2743
2744 cmdbuf->buf += cmdsz * 4;
2745 cmdbuf->bufsz -= cmdsz * 4;
2746 return 0;
2747 }
2748
2749 static int radeon_emit_packet3_cliprect(struct drm_device *dev,
2750 struct drm_file *file_priv,
2751 drm_radeon_kcmd_buffer_t *cmdbuf,
2752 int orig_nbox)
2753 {
2754 drm_radeon_private_t *dev_priv = dev->dev_private;
2755 struct drm_clip_rect box;
2756 unsigned int cmdsz;
2757 int ret;
2758 struct drm_clip_rect __user *boxes = cmdbuf->boxes;
2759 int i = 0;
2760 RING_LOCALS;
2761
2762 DRM_DEBUG("\n");
2763
2764 if ((ret = radeon_check_and_fixup_packet3(dev_priv, file_priv,
2765 cmdbuf, &cmdsz))) {
2766 DRM_ERROR("Packet verification failed\n");
2767 return ret;
2768 }
2769
2770 if (!orig_nbox)
2771 goto out;
2772
2773 do {
2774 if (i < cmdbuf->nbox) {
2775 if (DRM_COPY_FROM_USER(&box, &boxes[i], sizeof(box)))
2776 return -EFAULT;
2777 /* FIXME The second and subsequent times round
2778 * this loop, send a WAIT_UNTIL_3D_IDLE before
2779 * calling emit_clip_rect(). This fixes a
2780 * lockup on fast machines when sending
2781 * several cliprects with a cmdbuf, as when
2782 * waving a 2D window over a 3D
2783 * window. Something in the commands from user
2784 * space seems to hang the card when they're
2785 * sent several times in a row. That would be
2786 * the correct place to fix it but this works
2787 * around it until I can figure that out - Tim
2788 * Smith */
2789 if (i) {
2790 BEGIN_RING(2);
2791 RADEON_WAIT_UNTIL_3D_IDLE();
2792 ADVANCE_RING();
2793 }
2794 radeon_emit_clip_rect(dev_priv, &box);
2795 }
2796
2797 BEGIN_RING(cmdsz);
2798 OUT_RING_TABLE(cmdbuf->buf, cmdsz);
2799 ADVANCE_RING();
2800
2801 } while (++i < cmdbuf->nbox);
2802 if (cmdbuf->nbox == 1)
2803 cmdbuf->nbox = 0;
2804
2805 out:
2806 cmdbuf->buf += cmdsz * 4;
2807 cmdbuf->bufsz -= cmdsz * 4;
2808 return 0;
2809 }
2810
2811 static int radeon_emit_wait(struct drm_device * dev, int flags)
2812 {
2813 drm_radeon_private_t *dev_priv = dev->dev_private;
2814 RING_LOCALS;
2815
2816 DRM_DEBUG("%x\n", flags);
2817 switch (flags) {
2818 case RADEON_WAIT_2D:
2819 BEGIN_RING(2);
2820 RADEON_WAIT_UNTIL_2D_IDLE();
2821 ADVANCE_RING();
2822 break;
2823 case RADEON_WAIT_3D:
2824 BEGIN_RING(2);
2825 RADEON_WAIT_UNTIL_3D_IDLE();
2826 ADVANCE_RING();
2827 break;
2828 case RADEON_WAIT_2D | RADEON_WAIT_3D:
2829 BEGIN_RING(2);
2830 RADEON_WAIT_UNTIL_IDLE();
2831 ADVANCE_RING();
2832 break;
2833 default:
2834 return -EINVAL;
2835 }
2836
2837 return 0;
2838 }
2839
2840 static int radeon_cp_cmdbuf(struct drm_device *dev, void *data, struct drm_file *file_priv)
2841 {
2842 drm_radeon_private_t *dev_priv = dev->dev_private;
2843 struct drm_device_dma *dma = dev->dma;
2844 struct drm_buf *buf = NULL;
2845 int idx;
2846 drm_radeon_kcmd_buffer_t *cmdbuf = data;
2847 drm_radeon_cmd_header_t header;
2848 int orig_nbox, orig_bufsz;
2849 char *kbuf = NULL;
2850
2851 LOCK_TEST_WITH_RETURN(dev, file_priv);
2852
2853 RING_SPACE_TEST_WITH_RETURN(dev_priv);
2854 VB_AGE_TEST_WITH_RETURN(dev_priv);
2855
2856 if (cmdbuf->bufsz > 64 * 1024 || cmdbuf->bufsz < 0) {
2857 return -EINVAL;
2858 }
2859
2860 /* Allocate an in-kernel area and copy in the cmdbuf. Do this to avoid
2861 * races between checking values and using those values in other code,
2862 * and simply to avoid a lot of function calls to copy in data.
2863 */
2864 orig_bufsz = cmdbuf->bufsz;
2865 if (orig_bufsz != 0) {
2866 kbuf = drm_alloc(cmdbuf->bufsz, DRM_MEM_DRIVER);
2867 if (kbuf == NULL)
2868 return -ENOMEM;
2869 if (DRM_COPY_FROM_USER(kbuf, (void __user *)cmdbuf->buf,
2870 cmdbuf->bufsz)) {
2871 drm_free(kbuf, orig_bufsz, DRM_MEM_DRIVER);
2872 return -EFAULT;
2873 }
2874 cmdbuf->buf = kbuf;
2875 }
2876
2877 orig_nbox = cmdbuf->nbox;
2878
2879 if (dev_priv->microcode_version == UCODE_R300) {
2880 int temp;
2881 temp = r300_do_cp_cmdbuf(dev, file_priv, cmdbuf);
2882
2883 if (orig_bufsz != 0)
2884 drm_free(kbuf, orig_bufsz, DRM_MEM_DRIVER);
2885
2886 return temp;
2887 }
2888
2889 /* microcode_version != r300 */
2890 while (cmdbuf->bufsz >= sizeof(header)) {
2891
2892 header.i = *(int *)cmdbuf->buf;
2893 cmdbuf->buf += sizeof(header);
2894 cmdbuf->bufsz -= sizeof(header);
2895
2896 switch (header.header.cmd_type) {
2897 case RADEON_CMD_PACKET:
2898 DRM_DEBUG("RADEON_CMD_PACKET\n");
2899 if (radeon_emit_packets
2900 (dev_priv, file_priv, header, cmdbuf)) {
2901 DRM_ERROR("radeon_emit_packets failed\n");
2902 goto err;
2903 }
2904 break;
2905
2906 case RADEON_CMD_SCALARS:
2907 DRM_DEBUG("RADEON_CMD_SCALARS\n");
2908 if (radeon_emit_scalars(dev_priv, header, cmdbuf)) {
2909 DRM_ERROR("radeon_emit_scalars failed\n");
2910 goto err;
2911 }
2912 break;
2913
2914 case RADEON_CMD_VECTORS:
2915 DRM_DEBUG("RADEON_CMD_VECTORS\n");
2916 if (radeon_emit_vectors(dev_priv, header, cmdbuf)) {
2917 DRM_ERROR("radeon_emit_vectors failed\n");
2918 goto err;
2919 }
2920 break;
2921
2922 case RADEON_CMD_DMA_DISCARD:
2923 DRM_DEBUG("RADEON_CMD_DMA_DISCARD\n");
2924 idx = header.dma.buf_idx;
2925 if (idx < 0 || idx >= dma->buf_count) {
2926 DRM_ERROR("buffer index %d (of %d max)\n",
2927 idx, dma->buf_count - 1);
2928 goto err;
2929 }
2930
2931 buf = dma->buflist[idx];
2932 if (buf->file_priv != file_priv || buf->pending) {
2933 DRM_ERROR("bad buffer %p %p %d\n",
2934 buf->file_priv, file_priv,
2935 buf->pending);
2936 goto err;
2937 }
2938
2939 radeon_cp_discard_buffer(dev, buf);
2940 break;
2941
2942 case RADEON_CMD_PACKET3:
2943 DRM_DEBUG("RADEON_CMD_PACKET3\n");
2944 if (radeon_emit_packet3(dev, file_priv, cmdbuf)) {
2945 DRM_ERROR("radeon_emit_packet3 failed\n");
2946 goto err;
2947 }
2948 break;
2949
2950 case RADEON_CMD_PACKET3_CLIP:
2951 DRM_DEBUG("RADEON_CMD_PACKET3_CLIP\n");
2952 if (radeon_emit_packet3_cliprect
2953 (dev, file_priv, cmdbuf, orig_nbox)) {
2954 DRM_ERROR("radeon_emit_packet3_clip failed\n");
2955 goto err;
2956 }
2957 break;
2958
2959 case RADEON_CMD_SCALARS2:
2960 DRM_DEBUG("RADEON_CMD_SCALARS2\n");
2961 if (radeon_emit_scalars2(dev_priv, header, cmdbuf)) {
2962 DRM_ERROR("radeon_emit_scalars2 failed\n");
2963 goto err;
2964 }
2965 break;
2966
2967 case RADEON_CMD_WAIT:
2968 DRM_DEBUG("RADEON_CMD_WAIT\n");
2969 if (radeon_emit_wait(dev, header.wait.flags)) {
2970 DRM_ERROR("radeon_emit_wait failed\n");
2971 goto err;
2972 }
2973 break;
2974 case RADEON_CMD_VECLINEAR:
2975 DRM_DEBUG("RADEON_CMD_VECLINEAR\n");
2976 if (radeon_emit_veclinear(dev_priv, header, cmdbuf)) {
2977 DRM_ERROR("radeon_emit_veclinear failed\n");
2978 goto err;
2979 }
2980 break;
2981
2982 default:
2983 DRM_ERROR("bad cmd_type %d at %p\n",
2984 header.header.cmd_type,
2985 cmdbuf->buf - sizeof(header));
2986 goto err;
2987 }
2988 }
2989
2990 if (orig_bufsz != 0)
2991 drm_free(kbuf, orig_bufsz, DRM_MEM_DRIVER);
2992
2993 DRM_DEBUG("DONE\n");
2994 COMMIT_RING();
2995 return 0;
2996
2997 err:
2998 if (orig_bufsz != 0)
2999 drm_free(kbuf, orig_bufsz, DRM_MEM_DRIVER);
3000 return -EINVAL;
3001 }
3002
3003 static int radeon_cp_getparam(struct drm_device *dev, void *data, struct drm_file *file_priv)
3004 {
3005 drm_radeon_private_t *dev_priv = dev->dev_private;
3006 drm_radeon_getparam_t *param = data;
3007 int value;
3008
3009 DRM_DEBUG("pid=%d\n", DRM_CURRENTPID);
3010
3011 switch (param->param) {
3012 case RADEON_PARAM_GART_BUFFER_OFFSET:
3013 value = dev_priv->gart_buffers_offset;
3014 break;
3015 case RADEON_PARAM_LAST_FRAME:
3016 dev_priv->stats.last_frame_reads++;
3017 value = GET_SCRATCH(dev_priv, 0);
3018 break;
3019 case RADEON_PARAM_LAST_DISPATCH:
3020 value = GET_SCRATCH(dev_priv, 1);
3021 break;
3022 case RADEON_PARAM_LAST_CLEAR:
3023 dev_priv->stats.last_clear_reads++;
3024 value = GET_SCRATCH(dev_priv, 2);
3025 break;
3026 case RADEON_PARAM_IRQ_NR:
3027 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
3028 value = 0;
3029 else
3030 value = dev->irq;
3031 break;
3032 case RADEON_PARAM_GART_BASE:
3033 value = dev_priv->gart_vm_start;
3034 break;
3035 case RADEON_PARAM_REGISTER_HANDLE:
3036 value = dev_priv->mmio->offset;
3037 break;
3038 case RADEON_PARAM_STATUS_HANDLE:
3039 value = dev_priv->ring_rptr_offset;
3040 break;
3041 #ifndef __LP64__
3042 /*
3043 * This ioctl() doesn't work on 64-bit platforms because hw_lock is a
3044 * pointer which can't fit into an int-sized variable. According to
3045 * Michel Dänzer, the ioctl() is only used on embedded platforms, so
3046 * not supporting it shouldn't be a problem. If the same functionality
3047 * is needed on 64-bit platforms, a new ioctl() would have to be added,
3048 * so backwards-compatibility for the embedded platforms can be
3049 * maintained. --davidm 4-Feb-2004.
3050 */
3051 case RADEON_PARAM_SAREA_HANDLE:
3052 /* The lock is the first dword in the sarea. */
3053 value = (long)dev->lock.hw_lock;
3054 break;
3055 #endif
3056 case RADEON_PARAM_GART_TEX_HANDLE:
3057 value = dev_priv->gart_textures_offset;
3058 break;
3059 case RADEON_PARAM_SCRATCH_OFFSET:
3060 if (!dev_priv->writeback_works)
3061 return -EINVAL;
3062 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
3063 value = R600_SCRATCH_REG_OFFSET;
3064 else
3065 value = RADEON_SCRATCH_REG_OFFSET;
3066 break;
3067 case RADEON_PARAM_CARD_TYPE:
3068 if (dev_priv->flags & RADEON_IS_PCIE)
3069 value = RADEON_CARD_PCIE;
3070 else if (dev_priv->flags & RADEON_IS_AGP)
3071 value = RADEON_CARD_AGP;
3072 else
3073 value = RADEON_CARD_PCI;
3074 break;
3075 case RADEON_PARAM_VBLANK_CRTC:
3076 value = radeon_vblank_crtc_get(dev);
3077 break;
3078 case RADEON_PARAM_FB_LOCATION:
3079 value = radeon_read_fb_location(dev_priv);
3080 break;
3081 case RADEON_PARAM_NUM_GB_PIPES:
3082 value = dev_priv->num_gb_pipes;
3083 break;
3084 case RADEON_PARAM_NUM_Z_PIPES:
3085 value = dev_priv->num_z_pipes;
3086 break;
3087 default:
3088 DRM_DEBUG("Invalid parameter %d\n", param->param);
3089 return -EINVAL;
3090 }
3091
3092 if (DRM_COPY_TO_USER(param->value, &value, sizeof(int))) {
3093 DRM_ERROR("copy_to_user\n");
3094 return -EFAULT;
3095 }
3096
3097 return 0;
3098 }
3099
3100 static int radeon_cp_setparam(struct drm_device *dev, void *data, struct drm_file *file_priv)
3101 {
3102 drm_radeon_private_t *dev_priv = dev->dev_private;
3103 drm_radeon_setparam_t *sp = data;
3104 struct drm_radeon_driver_file_fields *radeon_priv;
3105
3106 switch (sp->param) {
3107 case RADEON_SETPARAM_FB_LOCATION:
3108 radeon_priv = file_priv->driver_priv;
3109 radeon_priv->radeon_fb_delta = dev_priv->fb_location -
3110 sp->value;
3111 break;
3112 case RADEON_SETPARAM_SWITCH_TILING:
3113 if (sp->value == 0) {
3114 DRM_DEBUG("color tiling disabled\n");
3115 dev_priv->front_pitch_offset &= ~RADEON_DST_TILE_MACRO;
3116 dev_priv->back_pitch_offset &= ~RADEON_DST_TILE_MACRO;
3117 if (dev_priv->sarea_priv)
3118 dev_priv->sarea_priv->tiling_enabled = 0;
3119 } else if (sp->value == 1) {
3120 DRM_DEBUG("color tiling enabled\n");
3121 dev_priv->front_pitch_offset |= RADEON_DST_TILE_MACRO;
3122 dev_priv->back_pitch_offset |= RADEON_DST_TILE_MACRO;
3123 if (dev_priv->sarea_priv)
3124 dev_priv->sarea_priv->tiling_enabled = 1;
3125 }
3126 break;
3127 case RADEON_SETPARAM_PCIGART_LOCATION:
3128 dev_priv->pcigart_offset = sp->value;
3129 dev_priv->pcigart_offset_set = 1;
3130 break;
3131 case RADEON_SETPARAM_NEW_MEMMAP:
3132 dev_priv->new_memmap = sp->value;
3133 break;
3134 case RADEON_SETPARAM_PCIGART_TABLE_SIZE:
3135 dev_priv->gart_info.table_size = sp->value;
3136 if (dev_priv->gart_info.table_size < RADEON_PCIGART_TABLE_SIZE)
3137 dev_priv->gart_info.table_size = RADEON_PCIGART_TABLE_SIZE;
3138 break;
3139 case RADEON_SETPARAM_VBLANK_CRTC:
3140 return radeon_vblank_crtc_set(dev, sp->value);
3141 break;
3142 default:
3143 DRM_DEBUG("Invalid parameter %d\n", sp->param);
3144 return -EINVAL;
3145 }
3146
3147 return 0;
3148 }
3149
3150 /* When a client dies:
3151 * - Check for and clean up flipped page state
3152 * - Free any alloced GART memory.
3153 * - Free any alloced radeon surfaces.
3154 *
3155 * DRM infrastructure takes care of reclaiming dma buffers.
3156 */
3157 void radeon_driver_preclose(struct drm_device *dev, struct drm_file *file_priv)
3158 {
3159 if (dev->dev_private) {
3160 drm_radeon_private_t *dev_priv = dev->dev_private;
3161 dev_priv->page_flipping = 0;
3162 radeon_mem_release(file_priv, dev_priv->gart_heap);
3163 radeon_mem_release(file_priv, dev_priv->fb_heap);
3164 radeon_surfaces_release(file_priv, dev_priv);
3165 }
3166 }
3167
3168 void radeon_driver_lastclose(struct drm_device *dev)
3169 {
3170 radeon_surfaces_release(PCIGART_FILE_PRIV, dev->dev_private);
3171 if (dev->dev_private) {
3172 drm_radeon_private_t *dev_priv = dev->dev_private;
3173
3174 if (dev_priv->sarea_priv &&
3175 dev_priv->sarea_priv->pfCurrentPage != 0)
3176 radeon_cp_dispatch_flip(dev);
3177 }
3178
3179 radeon_do_release(dev);
3180 }
3181
3182 int radeon_driver_open(struct drm_device *dev, struct drm_file *file_priv)
3183 {
3184 drm_radeon_private_t *dev_priv = dev->dev_private;
3185 struct drm_radeon_driver_file_fields *radeon_priv;
3186
3187 DRM_DEBUG("\n");
3188 radeon_priv =
3189 (struct drm_radeon_driver_file_fields *)
3190 drm_alloc(sizeof(*radeon_priv), DRM_MEM_FILES);
3191
3192 if (!radeon_priv)
3193 return -ENOMEM;
3194
3195 file_priv->driver_priv = radeon_priv;
3196
3197 if (dev_priv)
3198 radeon_priv->radeon_fb_delta = dev_priv->fb_location;
3199 else
3200 radeon_priv->radeon_fb_delta = 0;
3201 return 0;
3202 }
3203
3204 void radeon_driver_postclose(struct drm_device *dev, struct drm_file *file_priv)
3205 {
3206 struct drm_radeon_driver_file_fields *radeon_priv =
3207 file_priv->driver_priv;
3208
3209 drm_free(radeon_priv, sizeof(*radeon_priv), DRM_MEM_FILES);
3210 }
3211
3212 struct drm_ioctl_desc radeon_ioctls[] = {
3213 DRM_IOCTL_DEF(DRM_RADEON_CP_INIT, radeon_cp_init, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
3214 DRM_IOCTL_DEF(DRM_RADEON_CP_START, radeon_cp_start, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
3215 DRM_IOCTL_DEF(DRM_RADEON_CP_STOP, radeon_cp_stop, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
3216 DRM_IOCTL_DEF(DRM_RADEON_CP_RESET, radeon_cp_reset, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
3217 DRM_IOCTL_DEF(DRM_RADEON_CP_IDLE, radeon_cp_idle, DRM_AUTH),
3218 DRM_IOCTL_DEF(DRM_RADEON_CP_RESUME, radeon_cp_resume, DRM_AUTH),
3219 DRM_IOCTL_DEF(DRM_RADEON_RESET, radeon_engine_reset, DRM_AUTH),
3220 DRM_IOCTL_DEF(DRM_RADEON_FULLSCREEN, radeon_fullscreen, DRM_AUTH),
3221 DRM_IOCTL_DEF(DRM_RADEON_SWAP, radeon_cp_swap, DRM_AUTH),
3222 DRM_IOCTL_DEF(DRM_RADEON_CLEAR, radeon_cp_clear, DRM_AUTH),
3223 DRM_IOCTL_DEF(DRM_RADEON_VERTEX, radeon_cp_vertex, DRM_AUTH),
3224 DRM_IOCTL_DEF(DRM_RADEON_INDICES, radeon_cp_indices, DRM_AUTH),
3225 DRM_IOCTL_DEF(DRM_RADEON_TEXTURE, radeon_cp_texture, DRM_AUTH),
3226 DRM_IOCTL_DEF(DRM_RADEON_STIPPLE, radeon_cp_stipple, DRM_AUTH),
3227 DRM_IOCTL_DEF(DRM_RADEON_INDIRECT, radeon_cp_indirect, DRM_AUTH|DRM_ROOT_ONLY),
3228 DRM_IOCTL_DEF(DRM_RADEON_VERTEX2, radeon_cp_vertex2, DRM_AUTH),
3229 DRM_IOCTL_DEF(DRM_RADEON_CMDBUF, radeon_cp_cmdbuf, DRM_AUTH),
3230 DRM_IOCTL_DEF(DRM_RADEON_GETPARAM, radeon_cp_getparam, DRM_AUTH),
3231 DRM_IOCTL_DEF(DRM_RADEON_FLIP, radeon_cp_flip, DRM_AUTH),
3232 DRM_IOCTL_DEF(DRM_RADEON_ALLOC, radeon_mem_alloc, DRM_AUTH),
3233 DRM_IOCTL_DEF(DRM_RADEON_FREE, radeon_mem_free, DRM_AUTH),
3234 DRM_IOCTL_DEF(DRM_RADEON_INIT_HEAP, radeon_mem_init_heap, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
3235 DRM_IOCTL_DEF(DRM_RADEON_IRQ_EMIT, radeon_irq_emit, DRM_AUTH),
3236 DRM_IOCTL_DEF(DRM_RADEON_IRQ_WAIT, radeon_irq_wait, DRM_AUTH),
3237 DRM_IOCTL_DEF(DRM_RADEON_SETPARAM, radeon_cp_setparam, DRM_AUTH),
3238 DRM_IOCTL_DEF(DRM_RADEON_SURF_ALLOC, radeon_surface_alloc, DRM_AUTH),
3239 DRM_IOCTL_DEF(DRM_RADEON_SURF_FREE, radeon_surface_free, DRM_AUTH),
3240 DRM_IOCTL_DEF(DRM_RADEON_CS, radeon_cs_ioctl, DRM_AUTH)
3241 };
3242
3243 int radeon_max_ioctl = DRM_ARRAY_SIZE(radeon_ioctls);
DragonFly BSD