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Linux 2.6.33-rc6
[cris-mirror.git] / drivers / gpu / drm / r128 / r128_state.c
blobaf2665cf4718ca8b92c56130e9a5aec0f80845a6
1 /* r128_state.c -- State support for r128 -*- linux-c -*-
2 * Created: Thu Jan 27 02:53:43 2000 by gareth@valinux.com
3 */
4 /*
5 * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
6 * All Rights Reserved.
7 *
8 * Permission is hereby granted, free of charge, to any person obtaining a
9 * copy of this software and associated documentation files (the "Software"),
10 * to deal in the Software without restriction, including without limitation
11 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
12 * and/or sell copies of the Software, and to permit persons to whom the
13 * Software is furnished to do so, subject to the following conditions:
14 *
15 * The above copyright notice and this permission notice (including the next
16 * paragraph) shall be included in all copies or substantial portions of the
17 * Software.
18 *
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
20 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
22 * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
23 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
24 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
25 * DEALINGS IN THE SOFTWARE.
26 *
27 * Authors:
28 * Gareth Hughes <gareth@valinux.com>
29 */
30
31 #include "drmP.h"
32 #include "drm.h"
33 #include "r128_drm.h"
34 #include "r128_drv.h"
35
36 /* ================================================================
37 * CCE hardware state programming functions
38 */
39
40 static void r128_emit_clip_rects(drm_r128_private_t * dev_priv,
41 struct drm_clip_rect * boxes, int count)
42 {
43 u32 aux_sc_cntl = 0x00000000;
44 RING_LOCALS;
45 DRM_DEBUG("\n");
46
47 BEGIN_RING((count < 3 ? count : 3) * 5 + 2);
48
49 if (count >= 1) {
50 OUT_RING(CCE_PACKET0(R128_AUX1_SC_LEFT, 3));
51 OUT_RING(boxes[0].x1);
52 OUT_RING(boxes[0].x2 - 1);
53 OUT_RING(boxes[0].y1);
54 OUT_RING(boxes[0].y2 - 1);
55
56 aux_sc_cntl |= (R128_AUX1_SC_EN | R128_AUX1_SC_MODE_OR);
57 }
58 if (count >= 2) {
59 OUT_RING(CCE_PACKET0(R128_AUX2_SC_LEFT, 3));
60 OUT_RING(boxes[1].x1);
61 OUT_RING(boxes[1].x2 - 1);
62 OUT_RING(boxes[1].y1);
63 OUT_RING(boxes[1].y2 - 1);
64
65 aux_sc_cntl |= (R128_AUX2_SC_EN | R128_AUX2_SC_MODE_OR);
66 }
67 if (count >= 3) {
68 OUT_RING(CCE_PACKET0(R128_AUX3_SC_LEFT, 3));
69 OUT_RING(boxes[2].x1);
70 OUT_RING(boxes[2].x2 - 1);
71 OUT_RING(boxes[2].y1);
72 OUT_RING(boxes[2].y2 - 1);
73
74 aux_sc_cntl |= (R128_AUX3_SC_EN | R128_AUX3_SC_MODE_OR);
75 }
76
77 OUT_RING(CCE_PACKET0(R128_AUX_SC_CNTL, 0));
78 OUT_RING(aux_sc_cntl);
79
80 ADVANCE_RING();
81 }
82
83 static __inline__ void r128_emit_core(drm_r128_private_t * dev_priv)
84 {
85 drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
86 drm_r128_context_regs_t *ctx = &sarea_priv->context_state;
87 RING_LOCALS;
88 DRM_DEBUG("\n");
89
90 BEGIN_RING(2);
91
92 OUT_RING(CCE_PACKET0(R128_SCALE_3D_CNTL, 0));
93 OUT_RING(ctx->scale_3d_cntl);
94
95 ADVANCE_RING();
96 }
97
98 static __inline__ void r128_emit_context(drm_r128_private_t * dev_priv)
99 {
100 drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
101 drm_r128_context_regs_t *ctx = &sarea_priv->context_state;
102 RING_LOCALS;
103 DRM_DEBUG("\n");
104
105 BEGIN_RING(13);
106
107 OUT_RING(CCE_PACKET0(R128_DST_PITCH_OFFSET_C, 11));
108 OUT_RING(ctx->dst_pitch_offset_c);
109 OUT_RING(ctx->dp_gui_master_cntl_c);
110 OUT_RING(ctx->sc_top_left_c);
111 OUT_RING(ctx->sc_bottom_right_c);
112 OUT_RING(ctx->z_offset_c);
113 OUT_RING(ctx->z_pitch_c);
114 OUT_RING(ctx->z_sten_cntl_c);
115 OUT_RING(ctx->tex_cntl_c);
116 OUT_RING(ctx->misc_3d_state_cntl_reg);
117 OUT_RING(ctx->texture_clr_cmp_clr_c);
118 OUT_RING(ctx->texture_clr_cmp_msk_c);
119 OUT_RING(ctx->fog_color_c);
120
121 ADVANCE_RING();
122 }
123
124 static __inline__ void r128_emit_setup(drm_r128_private_t * dev_priv)
125 {
126 drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
127 drm_r128_context_regs_t *ctx = &sarea_priv->context_state;
128 RING_LOCALS;
129 DRM_DEBUG("\n");
130
131 BEGIN_RING(3);
132
133 OUT_RING(CCE_PACKET1(R128_SETUP_CNTL, R128_PM4_VC_FPU_SETUP));
134 OUT_RING(ctx->setup_cntl);
135 OUT_RING(ctx->pm4_vc_fpu_setup);
136
137 ADVANCE_RING();
138 }
139
140 static __inline__ void r128_emit_masks(drm_r128_private_t * dev_priv)
141 {
142 drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
143 drm_r128_context_regs_t *ctx = &sarea_priv->context_state;
144 RING_LOCALS;
145 DRM_DEBUG("\n");
146
147 BEGIN_RING(5);
148
149 OUT_RING(CCE_PACKET0(R128_DP_WRITE_MASK, 0));
150 OUT_RING(ctx->dp_write_mask);
151
152 OUT_RING(CCE_PACKET0(R128_STEN_REF_MASK_C, 1));
153 OUT_RING(ctx->sten_ref_mask_c);
154 OUT_RING(ctx->plane_3d_mask_c);
155
156 ADVANCE_RING();
157 }
158
159 static __inline__ void r128_emit_window(drm_r128_private_t * dev_priv)
160 {
161 drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
162 drm_r128_context_regs_t *ctx = &sarea_priv->context_state;
163 RING_LOCALS;
164 DRM_DEBUG("\n");
165
166 BEGIN_RING(2);
167
168 OUT_RING(CCE_PACKET0(R128_WINDOW_XY_OFFSET, 0));
169 OUT_RING(ctx->window_xy_offset);
170
171 ADVANCE_RING();
172 }
173
174 static __inline__ void r128_emit_tex0(drm_r128_private_t * dev_priv)
175 {
176 drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
177 drm_r128_context_regs_t *ctx = &sarea_priv->context_state;
178 drm_r128_texture_regs_t *tex = &sarea_priv->tex_state[0];
179 int i;
180 RING_LOCALS;
181 DRM_DEBUG("\n");
182
183 BEGIN_RING(7 + R128_MAX_TEXTURE_LEVELS);
184
185 OUT_RING(CCE_PACKET0(R128_PRIM_TEX_CNTL_C,
186 2 + R128_MAX_TEXTURE_LEVELS));
187 OUT_RING(tex->tex_cntl);
188 OUT_RING(tex->tex_combine_cntl);
189 OUT_RING(ctx->tex_size_pitch_c);
190 for (i = 0; i < R128_MAX_TEXTURE_LEVELS; i++) {
191 OUT_RING(tex->tex_offset[i]);
192 }
193
194 OUT_RING(CCE_PACKET0(R128_CONSTANT_COLOR_C, 1));
195 OUT_RING(ctx->constant_color_c);
196 OUT_RING(tex->tex_border_color);
197
198 ADVANCE_RING();
199 }
200
201 static __inline__ void r128_emit_tex1(drm_r128_private_t * dev_priv)
202 {
203 drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
204 drm_r128_texture_regs_t *tex = &sarea_priv->tex_state[1];
205 int i;
206 RING_LOCALS;
207 DRM_DEBUG("\n");
208
209 BEGIN_RING(5 + R128_MAX_TEXTURE_LEVELS);
210
211 OUT_RING(CCE_PACKET0(R128_SEC_TEX_CNTL_C, 1 + R128_MAX_TEXTURE_LEVELS));
212 OUT_RING(tex->tex_cntl);
213 OUT_RING(tex->tex_combine_cntl);
214 for (i = 0; i < R128_MAX_TEXTURE_LEVELS; i++) {
215 OUT_RING(tex->tex_offset[i]);
216 }
217
218 OUT_RING(CCE_PACKET0(R128_SEC_TEXTURE_BORDER_COLOR_C, 0));
219 OUT_RING(tex->tex_border_color);
220
221 ADVANCE_RING();
222 }
223
224 static void r128_emit_state(drm_r128_private_t * dev_priv)
225 {
226 drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
227 unsigned int dirty = sarea_priv->dirty;
228
229 DRM_DEBUG("dirty=0x%08x\n", dirty);
230
231 if (dirty & R128_UPLOAD_CORE) {
232 r128_emit_core(dev_priv);
233 sarea_priv->dirty &= ~R128_UPLOAD_CORE;
234 }
235
236 if (dirty & R128_UPLOAD_CONTEXT) {
237 r128_emit_context(dev_priv);
238 sarea_priv->dirty &= ~R128_UPLOAD_CONTEXT;
239 }
240
241 if (dirty & R128_UPLOAD_SETUP) {
242 r128_emit_setup(dev_priv);
243 sarea_priv->dirty &= ~R128_UPLOAD_SETUP;
244 }
245
246 if (dirty & R128_UPLOAD_MASKS) {
247 r128_emit_masks(dev_priv);
248 sarea_priv->dirty &= ~R128_UPLOAD_MASKS;
249 }
250
251 if (dirty & R128_UPLOAD_WINDOW) {
252 r128_emit_window(dev_priv);
253 sarea_priv->dirty &= ~R128_UPLOAD_WINDOW;
254 }
255
256 if (dirty & R128_UPLOAD_TEX0) {
257 r128_emit_tex0(dev_priv);
258 sarea_priv->dirty &= ~R128_UPLOAD_TEX0;
259 }
260
261 if (dirty & R128_UPLOAD_TEX1) {
262 r128_emit_tex1(dev_priv);
263 sarea_priv->dirty &= ~R128_UPLOAD_TEX1;
264 }
265
266 /* Turn off the texture cache flushing */
267 sarea_priv->context_state.tex_cntl_c &= ~R128_TEX_CACHE_FLUSH;
268
269 sarea_priv->dirty &= ~R128_REQUIRE_QUIESCENCE;
270 }
271
272 #if R128_PERFORMANCE_BOXES
273 /* ================================================================
274 * Performance monitoring functions
275 */
276
277 static void r128_clear_box(drm_r128_private_t * dev_priv,
278 int x, int y, int w, int h, int r, int g, int b)
279 {
280 u32 pitch, offset;
281 u32 fb_bpp, color;
282 RING_LOCALS;
283
284 switch (dev_priv->fb_bpp) {
285 case 16:
286 fb_bpp = R128_GMC_DST_16BPP;
287 color = (((r & 0xf8) << 8) |
288 ((g & 0xfc) << 3) | ((b & 0xf8) >> 3));
289 break;
290 case 24:
291 fb_bpp = R128_GMC_DST_24BPP;
292 color = ((r << 16) | (g << 8) | b);
293 break;
294 case 32:
295 fb_bpp = R128_GMC_DST_32BPP;
296 color = (((0xff) << 24) | (r << 16) | (g << 8) | b);
297 break;
298 default:
299 return;
300 }
301
302 offset = dev_priv->back_offset;
303 pitch = dev_priv->back_pitch >> 3;
304
305 BEGIN_RING(6);
306
307 OUT_RING(CCE_PACKET3(R128_CNTL_PAINT_MULTI, 4));
308 OUT_RING(R128_GMC_DST_PITCH_OFFSET_CNTL |
309 R128_GMC_BRUSH_SOLID_COLOR |
310 fb_bpp |
311 R128_GMC_SRC_DATATYPE_COLOR |
312 R128_ROP3_P |
313 R128_GMC_CLR_CMP_CNTL_DIS | R128_GMC_AUX_CLIP_DIS);
314
315 OUT_RING((pitch << 21) | (offset >> 5));
316 OUT_RING(color);
317
318 OUT_RING((x << 16) | y);
319 OUT_RING((w << 16) | h);
320
321 ADVANCE_RING();
322 }
323
324 static void r128_cce_performance_boxes(drm_r128_private_t * dev_priv)
325 {
326 if (atomic_read(&dev_priv->idle_count) == 0) {
327 r128_clear_box(dev_priv, 64, 4, 8, 8, 0, 255, 0);
328 } else {
329 atomic_set(&dev_priv->idle_count, 0);
330 }
331 }
332
333 #endif
334
335 /* ================================================================
336 * CCE command dispatch functions
337 */
338
339 static void r128_print_dirty(const char *msg, unsigned int flags)
340 {
341 DRM_INFO("%s: (0x%x) %s%s%s%s%s%s%s%s%s\n",
342 msg,
343 flags,
344 (flags & R128_UPLOAD_CORE) ? "core, " : "",
345 (flags & R128_UPLOAD_CONTEXT) ? "context, " : "",
346 (flags & R128_UPLOAD_SETUP) ? "setup, " : "",
347 (flags & R128_UPLOAD_TEX0) ? "tex0, " : "",
348 (flags & R128_UPLOAD_TEX1) ? "tex1, " : "",
349 (flags & R128_UPLOAD_MASKS) ? "masks, " : "",
350 (flags & R128_UPLOAD_WINDOW) ? "window, " : "",
351 (flags & R128_UPLOAD_CLIPRECTS) ? "cliprects, " : "",
352 (flags & R128_REQUIRE_QUIESCENCE) ? "quiescence, " : "");
353 }
354
355 static void r128_cce_dispatch_clear(struct drm_device * dev,
356 drm_r128_clear_t * clear)
357 {
358 drm_r128_private_t *dev_priv = dev->dev_private;
359 drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
360 int nbox = sarea_priv->nbox;
361 struct drm_clip_rect *pbox = sarea_priv->boxes;
362 unsigned int flags = clear->flags;
363 int i;
364 RING_LOCALS;
365 DRM_DEBUG("\n");
366
367 if (dev_priv->page_flipping && dev_priv->current_page == 1) {
368 unsigned int tmp = flags;
369
370 flags &= ~(R128_FRONT | R128_BACK);
371 if (tmp & R128_FRONT)
372 flags |= R128_BACK;
373 if (tmp & R128_BACK)
374 flags |= R128_FRONT;
375 }
376
377 for (i = 0; i < nbox; i++) {
378 int x = pbox[i].x1;
379 int y = pbox[i].y1;
380 int w = pbox[i].x2 - x;
381 int h = pbox[i].y2 - y;
382
383 DRM_DEBUG("dispatch clear %d,%d-%d,%d flags 0x%x\n",
384 pbox[i].x1, pbox[i].y1, pbox[i].x2,
385 pbox[i].y2, flags);
386
387 if (flags & (R128_FRONT | R128_BACK)) {
388 BEGIN_RING(2);
389
390 OUT_RING(CCE_PACKET0(R128_DP_WRITE_MASK, 0));
391 OUT_RING(clear->color_mask);
392
393 ADVANCE_RING();
394 }
395
396 if (flags & R128_FRONT) {
397 BEGIN_RING(6);
398
399 OUT_RING(CCE_PACKET3(R128_CNTL_PAINT_MULTI, 4));
400 OUT_RING(R128_GMC_DST_PITCH_OFFSET_CNTL |
401 R128_GMC_BRUSH_SOLID_COLOR |
402 (dev_priv->color_fmt << 8) |
403 R128_GMC_SRC_DATATYPE_COLOR |
404 R128_ROP3_P |
405 R128_GMC_CLR_CMP_CNTL_DIS |
406 R128_GMC_AUX_CLIP_DIS);
407
408 OUT_RING(dev_priv->front_pitch_offset_c);
409 OUT_RING(clear->clear_color);
410
411 OUT_RING((x << 16) | y);
412 OUT_RING((w << 16) | h);
413
414 ADVANCE_RING();
415 }
416
417 if (flags & R128_BACK) {
418 BEGIN_RING(6);
419
420 OUT_RING(CCE_PACKET3(R128_CNTL_PAINT_MULTI, 4));
421 OUT_RING(R128_GMC_DST_PITCH_OFFSET_CNTL |
422 R128_GMC_BRUSH_SOLID_COLOR |
423 (dev_priv->color_fmt << 8) |
424 R128_GMC_SRC_DATATYPE_COLOR |
425 R128_ROP3_P |
426 R128_GMC_CLR_CMP_CNTL_DIS |
427 R128_GMC_AUX_CLIP_DIS);
428
429 OUT_RING(dev_priv->back_pitch_offset_c);
430 OUT_RING(clear->clear_color);
431
432 OUT_RING((x << 16) | y);
433 OUT_RING((w << 16) | h);
434
435 ADVANCE_RING();
436 }
437
438 if (flags & R128_DEPTH) {
439 BEGIN_RING(6);
440
441 OUT_RING(CCE_PACKET3(R128_CNTL_PAINT_MULTI, 4));
442 OUT_RING(R128_GMC_DST_PITCH_OFFSET_CNTL |
443 R128_GMC_BRUSH_SOLID_COLOR |
444 (dev_priv->depth_fmt << 8) |
445 R128_GMC_SRC_DATATYPE_COLOR |
446 R128_ROP3_P |
447 R128_GMC_CLR_CMP_CNTL_DIS |
448 R128_GMC_AUX_CLIP_DIS | R128_GMC_WR_MSK_DIS);
449
450 OUT_RING(dev_priv->depth_pitch_offset_c);
451 OUT_RING(clear->clear_depth);
452
453 OUT_RING((x << 16) | y);
454 OUT_RING((w << 16) | h);
455
456 ADVANCE_RING();
457 }
458 }
459 }
460
461 static void r128_cce_dispatch_swap(struct drm_device * dev)
462 {
463 drm_r128_private_t *dev_priv = dev->dev_private;
464 drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
465 int nbox = sarea_priv->nbox;
466 struct drm_clip_rect *pbox = sarea_priv->boxes;
467 int i;
468 RING_LOCALS;
469 DRM_DEBUG("\n");
470
471 #if R128_PERFORMANCE_BOXES
472 /* Do some trivial performance monitoring...
473 */
474 r128_cce_performance_boxes(dev_priv);
475 #endif
476
477 for (i = 0; i < nbox; i++) {
478 int x = pbox[i].x1;
479 int y = pbox[i].y1;
480 int w = pbox[i].x2 - x;
481 int h = pbox[i].y2 - y;
482
483 BEGIN_RING(7);
484
485 OUT_RING(CCE_PACKET3(R128_CNTL_BITBLT_MULTI, 5));
486 OUT_RING(R128_GMC_SRC_PITCH_OFFSET_CNTL |
487 R128_GMC_DST_PITCH_OFFSET_CNTL |
488 R128_GMC_BRUSH_NONE |
489 (dev_priv->color_fmt << 8) |
490 R128_GMC_SRC_DATATYPE_COLOR |
491 R128_ROP3_S |
492 R128_DP_SRC_SOURCE_MEMORY |
493 R128_GMC_CLR_CMP_CNTL_DIS |
494 R128_GMC_AUX_CLIP_DIS | R128_GMC_WR_MSK_DIS);
495
496 /* Make this work even if front & back are flipped:
497 */
498 if (dev_priv->current_page == 0) {
499 OUT_RING(dev_priv->back_pitch_offset_c);
500 OUT_RING(dev_priv->front_pitch_offset_c);
501 } else {
502 OUT_RING(dev_priv->front_pitch_offset_c);
503 OUT_RING(dev_priv->back_pitch_offset_c);
504 }
505
506 OUT_RING((x << 16) | y);
507 OUT_RING((x << 16) | y);
508 OUT_RING((w << 16) | h);
509
510 ADVANCE_RING();
511 }
512
513 /* Increment the frame counter. The client-side 3D driver must
514 * throttle the framerate by waiting for this value before
515 * performing the swapbuffer ioctl.
516 */
517 dev_priv->sarea_priv->last_frame++;
518
519 BEGIN_RING(2);
520
521 OUT_RING(CCE_PACKET0(R128_LAST_FRAME_REG, 0));
522 OUT_RING(dev_priv->sarea_priv->last_frame);
523
524 ADVANCE_RING();
525 }
526
527 static void r128_cce_dispatch_flip(struct drm_device * dev)
528 {
529 drm_r128_private_t *dev_priv = dev->dev_private;
530 RING_LOCALS;
531 DRM_DEBUG("page=%d pfCurrentPage=%d\n",
532 dev_priv->current_page, dev_priv->sarea_priv->pfCurrentPage);
533
534 #if R128_PERFORMANCE_BOXES
535 /* Do some trivial performance monitoring...
536 */
537 r128_cce_performance_boxes(dev_priv);
538 #endif
539
540 BEGIN_RING(4);
541
542 R128_WAIT_UNTIL_PAGE_FLIPPED();
543 OUT_RING(CCE_PACKET0(R128_CRTC_OFFSET, 0));
544
545 if (dev_priv->current_page == 0) {
546 OUT_RING(dev_priv->back_offset);
547 } else {
548 OUT_RING(dev_priv->front_offset);
549 }
550
551 ADVANCE_RING();
552
553 /* Increment the frame counter. The client-side 3D driver must
554 * throttle the framerate by waiting for this value before
555 * performing the swapbuffer ioctl.
556 */
557 dev_priv->sarea_priv->last_frame++;
558 dev_priv->sarea_priv->pfCurrentPage = dev_priv->current_page =
559 1 - dev_priv->current_page;
560
561 BEGIN_RING(2);
562
563 OUT_RING(CCE_PACKET0(R128_LAST_FRAME_REG, 0));
564 OUT_RING(dev_priv->sarea_priv->last_frame);
565
566 ADVANCE_RING();
567 }
568
569 static void r128_cce_dispatch_vertex(struct drm_device * dev, struct drm_buf * buf)
570 {
571 drm_r128_private_t *dev_priv = dev->dev_private;
572 drm_r128_buf_priv_t *buf_priv = buf->dev_private;
573 drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
574 int format = sarea_priv->vc_format;
575 int offset = buf->bus_address;
576 int size = buf->used;
577 int prim = buf_priv->prim;
578 int i = 0;
579 RING_LOCALS;
580 DRM_DEBUG("buf=%d nbox=%d\n", buf->idx, sarea_priv->nbox);
581
582 if (0)
583 r128_print_dirty("dispatch_vertex", sarea_priv->dirty);
584
585 if (buf->used) {
586 buf_priv->dispatched = 1;
587
588 if (sarea_priv->dirty & ~R128_UPLOAD_CLIPRECTS) {
589 r128_emit_state(dev_priv);
590 }
591
592 do {
593 /* Emit the next set of up to three cliprects */
594 if (i < sarea_priv->nbox) {
595 r128_emit_clip_rects(dev_priv,
596 &sarea_priv->boxes[i],
597 sarea_priv->nbox - i);
598 }
599
600 /* Emit the vertex buffer rendering commands */
601 BEGIN_RING(5);
602
603 OUT_RING(CCE_PACKET3(R128_3D_RNDR_GEN_INDX_PRIM, 3));
604 OUT_RING(offset);
605 OUT_RING(size);
606 OUT_RING(format);
607 OUT_RING(prim | R128_CCE_VC_CNTL_PRIM_WALK_LIST |
608 (size << R128_CCE_VC_CNTL_NUM_SHIFT));
609
610 ADVANCE_RING();
611
612 i += 3;
613 } while (i < sarea_priv->nbox);
614 }
615
616 if (buf_priv->discard) {
617 buf_priv->age = dev_priv->sarea_priv->last_dispatch;
618
619 /* Emit the vertex buffer age */
620 BEGIN_RING(2);
621
622 OUT_RING(CCE_PACKET0(R128_LAST_DISPATCH_REG, 0));
623 OUT_RING(buf_priv->age);
624
625 ADVANCE_RING();
626
627 buf->pending = 1;
628 buf->used = 0;
629 /* FIXME: Check dispatched field */
630 buf_priv->dispatched = 0;
631 }
632
633 dev_priv->sarea_priv->last_dispatch++;
634
635 sarea_priv->dirty &= ~R128_UPLOAD_CLIPRECTS;
636 sarea_priv->nbox = 0;
637 }
638
639 static void r128_cce_dispatch_indirect(struct drm_device * dev,
640 struct drm_buf * buf, int start, int end)
641 {
642 drm_r128_private_t *dev_priv = dev->dev_private;
643 drm_r128_buf_priv_t *buf_priv = buf->dev_private;
644 RING_LOCALS;
645 DRM_DEBUG("indirect: buf=%d s=0x%x e=0x%x\n", buf->idx, start, end);
646
647 if (start != end) {
648 int offset = buf->bus_address + start;
649 int dwords = (end - start + 3) / sizeof(u32);
650
651 /* Indirect buffer data must be an even number of
652 * dwords, so if we've been given an odd number we must
653 * pad the data with a Type-2 CCE packet.
654 */
655 if (dwords & 1) {
656 u32 *data = (u32 *)
657 ((char *)dev->agp_buffer_map->handle
658 + buf->offset + start);
659 data[dwords++] = cpu_to_le32(R128_CCE_PACKET2);
660 }
661
662 buf_priv->dispatched = 1;
663
664 /* Fire off the indirect buffer */
665 BEGIN_RING(3);
666
667 OUT_RING(CCE_PACKET0(R128_PM4_IW_INDOFF, 1));
668 OUT_RING(offset);
669 OUT_RING(dwords);
670
671 ADVANCE_RING();
672 }
673
674 if (buf_priv->discard) {
675 buf_priv->age = dev_priv->sarea_priv->last_dispatch;
676
677 /* Emit the indirect buffer age */
678 BEGIN_RING(2);
679
680 OUT_RING(CCE_PACKET0(R128_LAST_DISPATCH_REG, 0));
681 OUT_RING(buf_priv->age);
682
683 ADVANCE_RING();
684
685 buf->pending = 1;
686 buf->used = 0;
687 /* FIXME: Check dispatched field */
688 buf_priv->dispatched = 0;
689 }
690
691 dev_priv->sarea_priv->last_dispatch++;
692 }
693
694 static void r128_cce_dispatch_indices(struct drm_device * dev,
695 struct drm_buf * buf,
696 int start, int end, int count)
697 {
698 drm_r128_private_t *dev_priv = dev->dev_private;
699 drm_r128_buf_priv_t *buf_priv = buf->dev_private;
700 drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
701 int format = sarea_priv->vc_format;
702 int offset = dev->agp_buffer_map->offset - dev_priv->cce_buffers_offset;
703 int prim = buf_priv->prim;
704 u32 *data;
705 int dwords;
706 int i = 0;
707 RING_LOCALS;
708 DRM_DEBUG("indices: s=%d e=%d c=%d\n", start, end, count);
709
710 if (0)
711 r128_print_dirty("dispatch_indices", sarea_priv->dirty);
712
713 if (start != end) {
714 buf_priv->dispatched = 1;
715
716 if (sarea_priv->dirty & ~R128_UPLOAD_CLIPRECTS) {
717 r128_emit_state(dev_priv);
718 }
719
720 dwords = (end - start + 3) / sizeof(u32);
721
722 data = (u32 *) ((char *)dev->agp_buffer_map->handle
723 + buf->offset + start);
724
725 data[0] = cpu_to_le32(CCE_PACKET3(R128_3D_RNDR_GEN_INDX_PRIM,
726 dwords - 2));
727
728 data[1] = cpu_to_le32(offset);
729 data[2] = cpu_to_le32(R128_MAX_VB_VERTS);
730 data[3] = cpu_to_le32(format);
731 data[4] = cpu_to_le32((prim | R128_CCE_VC_CNTL_PRIM_WALK_IND |
732 (count << 16)));
733
734 if (count & 0x1) {
735 #ifdef __LITTLE_ENDIAN
736 data[dwords - 1] &= 0x0000ffff;
737 #else
738 data[dwords - 1] &= 0xffff0000;
739 #endif
740 }
741
742 do {
743 /* Emit the next set of up to three cliprects */
744 if (i < sarea_priv->nbox) {
745 r128_emit_clip_rects(dev_priv,
746 &sarea_priv->boxes[i],
747 sarea_priv->nbox - i);
748 }
749
750 r128_cce_dispatch_indirect(dev, buf, start, end);
751
752 i += 3;
753 } while (i < sarea_priv->nbox);
754 }
755
756 if (buf_priv->discard) {
757 buf_priv->age = dev_priv->sarea_priv->last_dispatch;
758
759 /* Emit the vertex buffer age */
760 BEGIN_RING(2);
761
762 OUT_RING(CCE_PACKET0(R128_LAST_DISPATCH_REG, 0));
763 OUT_RING(buf_priv->age);
764
765 ADVANCE_RING();
766
767 buf->pending = 1;
768 /* FIXME: Check dispatched field */
769 buf_priv->dispatched = 0;
770 }
771
772 dev_priv->sarea_priv->last_dispatch++;
773
774 sarea_priv->dirty &= ~R128_UPLOAD_CLIPRECTS;
775 sarea_priv->nbox = 0;
776 }
777
778 static int r128_cce_dispatch_blit(struct drm_device * dev,
779 struct drm_file *file_priv,
780 drm_r128_blit_t * blit)
781 {
782 drm_r128_private_t *dev_priv = dev->dev_private;
783 struct drm_device_dma *dma = dev->dma;
784 struct drm_buf *buf;
785 drm_r128_buf_priv_t *buf_priv;
786 u32 *data;
787 int dword_shift, dwords;
788 RING_LOCALS;
789 DRM_DEBUG("\n");
790
791 /* The compiler won't optimize away a division by a variable,
792 * even if the only legal values are powers of two. Thus, we'll
793 * use a shift instead.
794 */
795 switch (blit->format) {
796 case R128_DATATYPE_ARGB8888:
797 dword_shift = 0;
798 break;
799 case R128_DATATYPE_ARGB1555:
800 case R128_DATATYPE_RGB565:
801 case R128_DATATYPE_ARGB4444:
802 case R128_DATATYPE_YVYU422:
803 case R128_DATATYPE_VYUY422:
804 dword_shift = 1;
805 break;
806 case R128_DATATYPE_CI8:
807 case R128_DATATYPE_RGB8:
808 dword_shift = 2;
809 break;
810 default:
811 DRM_ERROR("invalid blit format %d\n", blit->format);
812 return -EINVAL;
813 }
814
815 /* Flush the pixel cache, and mark the contents as Read Invalid.
816 * This ensures no pixel data gets mixed up with the texture
817 * data from the host data blit, otherwise part of the texture
818 * image may be corrupted.
819 */
820 BEGIN_RING(2);
821
822 OUT_RING(CCE_PACKET0(R128_PC_GUI_CTLSTAT, 0));
823 OUT_RING(R128_PC_RI_GUI | R128_PC_FLUSH_GUI);
824
825 ADVANCE_RING();
826
827 /* Dispatch the indirect buffer.
828 */
829 buf = dma->buflist[blit->idx];
830 buf_priv = buf->dev_private;
831
832 if (buf->file_priv != file_priv) {
833 DRM_ERROR("process %d using buffer owned by %p\n",
834 DRM_CURRENTPID, buf->file_priv);
835 return -EINVAL;
836 }
837 if (buf->pending) {
838 DRM_ERROR("sending pending buffer %d\n", blit->idx);
839 return -EINVAL;
840 }
841
842 buf_priv->discard = 1;
843
844 dwords = (blit->width * blit->height) >> dword_shift;
845
846 data = (u32 *) ((char *)dev->agp_buffer_map->handle + buf->offset);
847
848 data[0] = cpu_to_le32(CCE_PACKET3(R128_CNTL_HOSTDATA_BLT, dwords + 6));
849 data[1] = cpu_to_le32((R128_GMC_DST_PITCH_OFFSET_CNTL |
850 R128_GMC_BRUSH_NONE |
851 (blit->format << 8) |
852 R128_GMC_SRC_DATATYPE_COLOR |
853 R128_ROP3_S |
854 R128_DP_SRC_SOURCE_HOST_DATA |
855 R128_GMC_CLR_CMP_CNTL_DIS |
856 R128_GMC_AUX_CLIP_DIS | R128_GMC_WR_MSK_DIS));
857
858 data[2] = cpu_to_le32((blit->pitch << 21) | (blit->offset >> 5));
859 data[3] = cpu_to_le32(0xffffffff);
860 data[4] = cpu_to_le32(0xffffffff);
861 data[5] = cpu_to_le32((blit->y << 16) | blit->x);
862 data[6] = cpu_to_le32((blit->height << 16) | blit->width);
863 data[7] = cpu_to_le32(dwords);
864
865 buf->used = (dwords + 8) * sizeof(u32);
866
867 r128_cce_dispatch_indirect(dev, buf, 0, buf->used);
868
869 /* Flush the pixel cache after the blit completes. This ensures
870 * the texture data is written out to memory before rendering
871 * continues.
872 */
873 BEGIN_RING(2);
874
875 OUT_RING(CCE_PACKET0(R128_PC_GUI_CTLSTAT, 0));
876 OUT_RING(R128_PC_FLUSH_GUI);
877
878 ADVANCE_RING();
879
880 return 0;
881 }
882
883 /* ================================================================
884 * Tiled depth buffer management
885 *
886 * FIXME: These should all set the destination write mask for when we
887 * have hardware stencil support.
888 */
889
890 static int r128_cce_dispatch_write_span(struct drm_device * dev,
891 drm_r128_depth_t * depth)
892 {
893 drm_r128_private_t *dev_priv = dev->dev_private;
894 int count, x, y;
895 u32 *buffer;
896 u8 *mask;
897 int i, buffer_size, mask_size;
898 RING_LOCALS;
899 DRM_DEBUG("\n");
900
901 count = depth->n;
902 if (count > 4096 || count <= 0)
903 return -EMSGSIZE;
904
905 if (DRM_COPY_FROM_USER(&x, depth->x, sizeof(x))) {
906 return -EFAULT;
907 }
908 if (DRM_COPY_FROM_USER(&y, depth->y, sizeof(y))) {
909 return -EFAULT;
910 }
911
912 buffer_size = depth->n * sizeof(u32);
913 buffer = kmalloc(buffer_size, GFP_KERNEL);
914 if (buffer == NULL)
915 return -ENOMEM;
916 if (DRM_COPY_FROM_USER(buffer, depth->buffer, buffer_size)) {
917 kfree(buffer);
918 return -EFAULT;
919 }
920
921 mask_size = depth->n * sizeof(u8);
922 if (depth->mask) {
923 mask = kmalloc(mask_size, GFP_KERNEL);
924 if (mask == NULL) {
925 kfree(buffer);
926 return -ENOMEM;
927 }
928 if (DRM_COPY_FROM_USER(mask, depth->mask, mask_size)) {
929 kfree(buffer);
930 kfree(mask);
931 return -EFAULT;
932 }
933
934 for (i = 0; i < count; i++, x++) {
935 if (mask[i]) {
936 BEGIN_RING(6);
937
938 OUT_RING(CCE_PACKET3(R128_CNTL_PAINT_MULTI, 4));
939 OUT_RING(R128_GMC_DST_PITCH_OFFSET_CNTL |
940 R128_GMC_BRUSH_SOLID_COLOR |
941 (dev_priv->depth_fmt << 8) |
942 R128_GMC_SRC_DATATYPE_COLOR |
943 R128_ROP3_P |
944 R128_GMC_CLR_CMP_CNTL_DIS |
945 R128_GMC_WR_MSK_DIS);
946
947 OUT_RING(dev_priv->depth_pitch_offset_c);
948 OUT_RING(buffer[i]);
949
950 OUT_RING((x << 16) | y);
951 OUT_RING((1 << 16) | 1);
952
953 ADVANCE_RING();
954 }
955 }
956
957 kfree(mask);
958 } else {
959 for (i = 0; i < count; i++, x++) {
960 BEGIN_RING(6);
961
962 OUT_RING(CCE_PACKET3(R128_CNTL_PAINT_MULTI, 4));
963 OUT_RING(R128_GMC_DST_PITCH_OFFSET_CNTL |
964 R128_GMC_BRUSH_SOLID_COLOR |
965 (dev_priv->depth_fmt << 8) |
966 R128_GMC_SRC_DATATYPE_COLOR |
967 R128_ROP3_P |
968 R128_GMC_CLR_CMP_CNTL_DIS |
969 R128_GMC_WR_MSK_DIS);
970
971 OUT_RING(dev_priv->depth_pitch_offset_c);
972 OUT_RING(buffer[i]);
973
974 OUT_RING((x << 16) | y);
975 OUT_RING((1 << 16) | 1);
976
977 ADVANCE_RING();
978 }
979 }
980
981 kfree(buffer);
982
983 return 0;
984 }
985
986 static int r128_cce_dispatch_write_pixels(struct drm_device * dev,
987 drm_r128_depth_t * depth)
988 {
989 drm_r128_private_t *dev_priv = dev->dev_private;
990 int count, *x, *y;
991 u32 *buffer;
992 u8 *mask;
993 int i, xbuf_size, ybuf_size, buffer_size, mask_size;
994 RING_LOCALS;
995 DRM_DEBUG("\n");
996
997 count = depth->n;
998 if (count > 4096 || count <= 0)
999 return -EMSGSIZE;
1000
1001 xbuf_size = count * sizeof(*x);
1002 ybuf_size = count * sizeof(*y);
1003 x = kmalloc(xbuf_size, GFP_KERNEL);
1004 if (x == NULL) {
1005 return -ENOMEM;
1006 }
1007 y = kmalloc(ybuf_size, GFP_KERNEL);
1008 if (y == NULL) {
1009 kfree(x);
1010 return -ENOMEM;
1011 }
1012 if (DRM_COPY_FROM_USER(x, depth->x, xbuf_size)) {
1013 kfree(x);
1014 kfree(y);
1015 return -EFAULT;
1016 }
1017 if (DRM_COPY_FROM_USER(y, depth->y, xbuf_size)) {
1018 kfree(x);
1019 kfree(y);
1020 return -EFAULT;
1021 }
1022
1023 buffer_size = depth->n * sizeof(u32);
1024 buffer = kmalloc(buffer_size, GFP_KERNEL);
1025 if (buffer == NULL) {
1026 kfree(x);
1027 kfree(y);
1028 return -ENOMEM;
1029 }
1030 if (DRM_COPY_FROM_USER(buffer, depth->buffer, buffer_size)) {
1031 kfree(x);
1032 kfree(y);
1033 kfree(buffer);
1034 return -EFAULT;
1035 }
1036
1037 if (depth->mask) {
1038 mask_size = depth->n * sizeof(u8);
1039 mask = kmalloc(mask_size, GFP_KERNEL);
1040 if (mask == NULL) {
1041 kfree(x);
1042 kfree(y);
1043 kfree(buffer);
1044 return -ENOMEM;
1045 }
1046 if (DRM_COPY_FROM_USER(mask, depth->mask, mask_size)) {
1047 kfree(x);
1048 kfree(y);
1049 kfree(buffer);
1050 kfree(mask);
1051 return -EFAULT;
1052 }
1053
1054 for (i = 0; i < count; i++) {
1055 if (mask[i]) {
1056 BEGIN_RING(6);
1057
1058 OUT_RING(CCE_PACKET3(R128_CNTL_PAINT_MULTI, 4));
1059 OUT_RING(R128_GMC_DST_PITCH_OFFSET_CNTL |
1060 R128_GMC_BRUSH_SOLID_COLOR |
1061 (dev_priv->depth_fmt << 8) |
1062 R128_GMC_SRC_DATATYPE_COLOR |
1063 R128_ROP3_P |
1064 R128_GMC_CLR_CMP_CNTL_DIS |
1065 R128_GMC_WR_MSK_DIS);
1066
1067 OUT_RING(dev_priv->depth_pitch_offset_c);
1068 OUT_RING(buffer[i]);
1069
1070 OUT_RING((x[i] << 16) | y[i]);
1071 OUT_RING((1 << 16) | 1);
1072
1073 ADVANCE_RING();
1074 }
1075 }
1076
1077 kfree(mask);
1078 } else {
1079 for (i = 0; i < count; i++) {
1080 BEGIN_RING(6);
1081
1082 OUT_RING(CCE_PACKET3(R128_CNTL_PAINT_MULTI, 4));
1083 OUT_RING(R128_GMC_DST_PITCH_OFFSET_CNTL |
1084 R128_GMC_BRUSH_SOLID_COLOR |
1085 (dev_priv->depth_fmt << 8) |
1086 R128_GMC_SRC_DATATYPE_COLOR |
1087 R128_ROP3_P |
1088 R128_GMC_CLR_CMP_CNTL_DIS |
1089 R128_GMC_WR_MSK_DIS);
1090
1091 OUT_RING(dev_priv->depth_pitch_offset_c);
1092 OUT_RING(buffer[i]);
1093
1094 OUT_RING((x[i] << 16) | y[i]);
1095 OUT_RING((1 << 16) | 1);
1096
1097 ADVANCE_RING();
1098 }
1099 }
1100
1101 kfree(x);
1102 kfree(y);
1103 kfree(buffer);
1104
1105 return 0;
1106 }
1107
1108 static int r128_cce_dispatch_read_span(struct drm_device * dev,
1109 drm_r128_depth_t * depth)
1110 {
1111 drm_r128_private_t *dev_priv = dev->dev_private;
1112 int count, x, y;
1113 RING_LOCALS;
1114 DRM_DEBUG("\n");
1115
1116 count = depth->n;
1117 if (count > 4096 || count <= 0)
1118 return -EMSGSIZE;
1119
1120 if (DRM_COPY_FROM_USER(&x, depth->x, sizeof(x))) {
1121 return -EFAULT;
1122 }
1123 if (DRM_COPY_FROM_USER(&y, depth->y, sizeof(y))) {
1124 return -EFAULT;
1125 }
1126
1127 BEGIN_RING(7);
1128
1129 OUT_RING(CCE_PACKET3(R128_CNTL_BITBLT_MULTI, 5));
1130 OUT_RING(R128_GMC_SRC_PITCH_OFFSET_CNTL |
1131 R128_GMC_DST_PITCH_OFFSET_CNTL |
1132 R128_GMC_BRUSH_NONE |
1133 (dev_priv->depth_fmt << 8) |
1134 R128_GMC_SRC_DATATYPE_COLOR |
1135 R128_ROP3_S |
1136 R128_DP_SRC_SOURCE_MEMORY |
1137 R128_GMC_CLR_CMP_CNTL_DIS | R128_GMC_WR_MSK_DIS);
1138
1139 OUT_RING(dev_priv->depth_pitch_offset_c);
1140 OUT_RING(dev_priv->span_pitch_offset_c);
1141
1142 OUT_RING((x << 16) | y);
1143 OUT_RING((0 << 16) | 0);
1144 OUT_RING((count << 16) | 1);
1145
1146 ADVANCE_RING();
1147
1148 return 0;
1149 }
1150
1151 static int r128_cce_dispatch_read_pixels(struct drm_device * dev,
1152 drm_r128_depth_t * depth)
1153 {
1154 drm_r128_private_t *dev_priv = dev->dev_private;
1155 int count, *x, *y;
1156 int i, xbuf_size, ybuf_size;
1157 RING_LOCALS;
1158 DRM_DEBUG("\n");
1159
1160 count = depth->n;
1161 if (count > 4096 || count <= 0)
1162 return -EMSGSIZE;
1163
1164 if (count > dev_priv->depth_pitch) {
1165 count = dev_priv->depth_pitch;
1166 }
1167
1168 xbuf_size = count * sizeof(*x);
1169 ybuf_size = count * sizeof(*y);
1170 x = kmalloc(xbuf_size, GFP_KERNEL);
1171 if (x == NULL) {
1172 return -ENOMEM;
1173 }
1174 y = kmalloc(ybuf_size, GFP_KERNEL);
1175 if (y == NULL) {
1176 kfree(x);
1177 return -ENOMEM;
1178 }
1179 if (DRM_COPY_FROM_USER(x, depth->x, xbuf_size)) {
1180 kfree(x);
1181 kfree(y);
1182 return -EFAULT;
1183 }
1184 if (DRM_COPY_FROM_USER(y, depth->y, ybuf_size)) {
1185 kfree(x);
1186 kfree(y);
1187 return -EFAULT;
1188 }
1189
1190 for (i = 0; i < count; i++) {
1191 BEGIN_RING(7);
1192
1193 OUT_RING(CCE_PACKET3(R128_CNTL_BITBLT_MULTI, 5));
1194 OUT_RING(R128_GMC_SRC_PITCH_OFFSET_CNTL |
1195 R128_GMC_DST_PITCH_OFFSET_CNTL |
1196 R128_GMC_BRUSH_NONE |
1197 (dev_priv->depth_fmt << 8) |
1198 R128_GMC_SRC_DATATYPE_COLOR |
1199 R128_ROP3_S |
1200 R128_DP_SRC_SOURCE_MEMORY |
1201 R128_GMC_CLR_CMP_CNTL_DIS | R128_GMC_WR_MSK_DIS);
1202
1203 OUT_RING(dev_priv->depth_pitch_offset_c);
1204 OUT_RING(dev_priv->span_pitch_offset_c);
1205
1206 OUT_RING((x[i] << 16) | y[i]);
1207 OUT_RING((i << 16) | 0);
1208 OUT_RING((1 << 16) | 1);
1209
1210 ADVANCE_RING();
1211 }
1212
1213 kfree(x);
1214 kfree(y);
1215
1216 return 0;
1217 }
1218
1219 /* ================================================================
1220 * Polygon stipple
1221 */
1222
1223 static void r128_cce_dispatch_stipple(struct drm_device * dev, u32 * stipple)
1224 {
1225 drm_r128_private_t *dev_priv = dev->dev_private;
1226 int i;
1227 RING_LOCALS;
1228 DRM_DEBUG("\n");
1229
1230 BEGIN_RING(33);
1231
1232 OUT_RING(CCE_PACKET0(R128_BRUSH_DATA0, 31));
1233 for (i = 0; i < 32; i++) {
1234 OUT_RING(stipple[i]);
1235 }
1236
1237 ADVANCE_RING();
1238 }
1239
1240 /* ================================================================
1241 * IOCTL functions
1242 */
1243
1244 static int r128_cce_clear(struct drm_device *dev, void *data, struct drm_file *file_priv)
1245 {
1246 drm_r128_private_t *dev_priv = dev->dev_private;
1247 drm_r128_sarea_t *sarea_priv;
1248 drm_r128_clear_t *clear = data;
1249 DRM_DEBUG("\n");
1250
1251 LOCK_TEST_WITH_RETURN(dev, file_priv);
1252
1253 DEV_INIT_TEST_WITH_RETURN(dev_priv);
1254
1255 RING_SPACE_TEST_WITH_RETURN(dev_priv);
1256
1257 sarea_priv = dev_priv->sarea_priv;
1258
1259 if (sarea_priv->nbox > R128_NR_SAREA_CLIPRECTS)
1260 sarea_priv->nbox = R128_NR_SAREA_CLIPRECTS;
1261
1262 r128_cce_dispatch_clear(dev, clear);
1263 COMMIT_RING();
1264
1265 /* Make sure we restore the 3D state next time.
1266 */
1267 dev_priv->sarea_priv->dirty |= R128_UPLOAD_CONTEXT | R128_UPLOAD_MASKS;
1268
1269 return 0;
1270 }
1271
1272 static int r128_do_init_pageflip(struct drm_device * dev)
1273 {
1274 drm_r128_private_t *dev_priv = dev->dev_private;
1275 DRM_DEBUG("\n");
1276
1277 dev_priv->crtc_offset = R128_READ(R128_CRTC_OFFSET);
1278 dev_priv->crtc_offset_cntl = R128_READ(R128_CRTC_OFFSET_CNTL);
1279
1280 R128_WRITE(R128_CRTC_OFFSET, dev_priv->front_offset);
1281 R128_WRITE(R128_CRTC_OFFSET_CNTL,
1282 dev_priv->crtc_offset_cntl | R128_CRTC_OFFSET_FLIP_CNTL);
1283
1284 dev_priv->page_flipping = 1;
1285 dev_priv->current_page = 0;
1286 dev_priv->sarea_priv->pfCurrentPage = dev_priv->current_page;
1287
1288 return 0;
1289 }
1290
1291 static int r128_do_cleanup_pageflip(struct drm_device * dev)
1292 {
1293 drm_r128_private_t *dev_priv = dev->dev_private;
1294 DRM_DEBUG("\n");
1295
1296 R128_WRITE(R128_CRTC_OFFSET, dev_priv->crtc_offset);
1297 R128_WRITE(R128_CRTC_OFFSET_CNTL, dev_priv->crtc_offset_cntl);
1298
1299 if (dev_priv->current_page != 0) {
1300 r128_cce_dispatch_flip(dev);
1301 COMMIT_RING();
1302 }
1303
1304 dev_priv->page_flipping = 0;
1305 return 0;
1306 }
1307
1308 /* Swapping and flipping are different operations, need different ioctls.
1309 * They can & should be intermixed to support multiple 3d windows.
1310 */
1311
1312 static int r128_cce_flip(struct drm_device *dev, void *data, struct drm_file *file_priv)
1313 {
1314 drm_r128_private_t *dev_priv = dev->dev_private;
1315 DRM_DEBUG("\n");
1316
1317 LOCK_TEST_WITH_RETURN(dev, file_priv);
1318
1319 DEV_INIT_TEST_WITH_RETURN(dev_priv);
1320
1321 RING_SPACE_TEST_WITH_RETURN(dev_priv);
1322
1323 if (!dev_priv->page_flipping)
1324 r128_do_init_pageflip(dev);
1325
1326 r128_cce_dispatch_flip(dev);
1327
1328 COMMIT_RING();
1329 return 0;
1330 }
1331
1332 static int r128_cce_swap(struct drm_device *dev, void *data, struct drm_file *file_priv)
1333 {
1334 drm_r128_private_t *dev_priv = dev->dev_private;
1335 drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
1336 DRM_DEBUG("\n");
1337
1338 LOCK_TEST_WITH_RETURN(dev, file_priv);
1339
1340 DEV_INIT_TEST_WITH_RETURN(dev_priv);
1341
1342 RING_SPACE_TEST_WITH_RETURN(dev_priv);
1343
1344 if (sarea_priv->nbox > R128_NR_SAREA_CLIPRECTS)
1345 sarea_priv->nbox = R128_NR_SAREA_CLIPRECTS;
1346
1347 r128_cce_dispatch_swap(dev);
1348 dev_priv->sarea_priv->dirty |= (R128_UPLOAD_CONTEXT |
1349 R128_UPLOAD_MASKS);
1350
1351 COMMIT_RING();
1352 return 0;
1353 }
1354
1355 static int r128_cce_vertex(struct drm_device *dev, void *data, struct drm_file *file_priv)
1356 {
1357 drm_r128_private_t *dev_priv = dev->dev_private;
1358 struct drm_device_dma *dma = dev->dma;
1359 struct drm_buf *buf;
1360 drm_r128_buf_priv_t *buf_priv;
1361 drm_r128_vertex_t *vertex = data;
1362
1363 LOCK_TEST_WITH_RETURN(dev, file_priv);
1364
1365 DEV_INIT_TEST_WITH_RETURN(dev_priv);
1366
1367 DRM_DEBUG("pid=%d index=%d count=%d discard=%d\n",
1368 DRM_CURRENTPID, vertex->idx, vertex->count, vertex->discard);
1369
1370 if (vertex->idx < 0 || vertex->idx >= dma->buf_count) {
1371 DRM_ERROR("buffer index %d (of %d max)\n",
1372 vertex->idx, dma->buf_count - 1);
1373 return -EINVAL;
1374 }
1375 if (vertex->prim < 0 ||
1376 vertex->prim > R128_CCE_VC_CNTL_PRIM_TYPE_TRI_TYPE2) {
1377 DRM_ERROR("buffer prim %d\n", vertex->prim);
1378 return -EINVAL;
1379 }
1380
1381 RING_SPACE_TEST_WITH_RETURN(dev_priv);
1382 VB_AGE_TEST_WITH_RETURN(dev_priv);
1383
1384 buf = dma->buflist[vertex->idx];
1385 buf_priv = buf->dev_private;
1386
1387 if (buf->file_priv != file_priv) {
1388 DRM_ERROR("process %d using buffer owned by %p\n",
1389 DRM_CURRENTPID, buf->file_priv);
1390 return -EINVAL;
1391 }
1392 if (buf->pending) {
1393 DRM_ERROR("sending pending buffer %d\n", vertex->idx);
1394 return -EINVAL;
1395 }
1396
1397 buf->used = vertex->count;
1398 buf_priv->prim = vertex->prim;
1399 buf_priv->discard = vertex->discard;
1400
1401 r128_cce_dispatch_vertex(dev, buf);
1402
1403 COMMIT_RING();
1404 return 0;
1405 }
1406
1407 static int r128_cce_indices(struct drm_device *dev, void *data, struct drm_file *file_priv)
1408 {
1409 drm_r128_private_t *dev_priv = dev->dev_private;
1410 struct drm_device_dma *dma = dev->dma;
1411 struct drm_buf *buf;
1412 drm_r128_buf_priv_t *buf_priv;
1413 drm_r128_indices_t *elts = data;
1414 int count;
1415
1416 LOCK_TEST_WITH_RETURN(dev, file_priv);
1417
1418 DEV_INIT_TEST_WITH_RETURN(dev_priv);
1419
1420 DRM_DEBUG("pid=%d buf=%d s=%d e=%d d=%d\n", DRM_CURRENTPID,
1421 elts->idx, elts->start, elts->end, elts->discard);
1422
1423 if (elts->idx < 0 || elts->idx >= dma->buf_count) {
1424 DRM_ERROR("buffer index %d (of %d max)\n",
1425 elts->idx, dma->buf_count - 1);
1426 return -EINVAL;
1427 }
1428 if (elts->prim < 0 ||
1429 elts->prim > R128_CCE_VC_CNTL_PRIM_TYPE_TRI_TYPE2) {
1430 DRM_ERROR("buffer prim %d\n", elts->prim);
1431 return -EINVAL;
1432 }
1433
1434 RING_SPACE_TEST_WITH_RETURN(dev_priv);
1435 VB_AGE_TEST_WITH_RETURN(dev_priv);
1436
1437 buf = dma->buflist[elts->idx];
1438 buf_priv = buf->dev_private;
1439
1440 if (buf->file_priv != file_priv) {
1441 DRM_ERROR("process %d using buffer owned by %p\n",
1442 DRM_CURRENTPID, buf->file_priv);
1443 return -EINVAL;
1444 }
1445 if (buf->pending) {
1446 DRM_ERROR("sending pending buffer %d\n", elts->idx);
1447 return -EINVAL;
1448 }
1449
1450 count = (elts->end - elts->start) / sizeof(u16);
1451 elts->start -= R128_INDEX_PRIM_OFFSET;
1452
1453 if (elts->start & 0x7) {
1454 DRM_ERROR("misaligned buffer 0x%x\n", elts->start);
1455 return -EINVAL;
1456 }
1457 if (elts->start < buf->used) {
1458 DRM_ERROR("no header 0x%x - 0x%x\n", elts->start, buf->used);
1459 return -EINVAL;
1460 }
1461
1462 buf->used = elts->end;
1463 buf_priv->prim = elts->prim;
1464 buf_priv->discard = elts->discard;
1465
1466 r128_cce_dispatch_indices(dev, buf, elts->start, elts->end, count);
1467
1468 COMMIT_RING();
1469 return 0;
1470 }
1471
1472 static int r128_cce_blit(struct drm_device *dev, void *data, struct drm_file *file_priv)
1473 {
1474 struct drm_device_dma *dma = dev->dma;
1475 drm_r128_private_t *dev_priv = dev->dev_private;
1476 drm_r128_blit_t *blit = data;
1477 int ret;
1478
1479 LOCK_TEST_WITH_RETURN(dev, file_priv);
1480
1481 DEV_INIT_TEST_WITH_RETURN(dev_priv);
1482
1483 DRM_DEBUG("pid=%d index=%d\n", DRM_CURRENTPID, blit->idx);
1484
1485 if (blit->idx < 0 || blit->idx >= dma->buf_count) {
1486 DRM_ERROR("buffer index %d (of %d max)\n",
1487 blit->idx, dma->buf_count - 1);
1488 return -EINVAL;
1489 }
1490
1491 RING_SPACE_TEST_WITH_RETURN(dev_priv);
1492 VB_AGE_TEST_WITH_RETURN(dev_priv);
1493
1494 ret = r128_cce_dispatch_blit(dev, file_priv, blit);
1495
1496 COMMIT_RING();
1497 return ret;
1498 }
1499
1500 static int r128_cce_depth(struct drm_device *dev, void *data, struct drm_file *file_priv)
1501 {
1502 drm_r128_private_t *dev_priv = dev->dev_private;
1503 drm_r128_depth_t *depth = data;
1504 int ret;
1505
1506 LOCK_TEST_WITH_RETURN(dev, file_priv);
1507
1508 DEV_INIT_TEST_WITH_RETURN(dev_priv);
1509
1510 RING_SPACE_TEST_WITH_RETURN(dev_priv);
1511
1512 ret = -EINVAL;
1513 switch (depth->func) {
1514 case R128_WRITE_SPAN:
1515 ret = r128_cce_dispatch_write_span(dev, depth);
1516 break;
1517 case R128_WRITE_PIXELS:
1518 ret = r128_cce_dispatch_write_pixels(dev, depth);
1519 break;
1520 case R128_READ_SPAN:
1521 ret = r128_cce_dispatch_read_span(dev, depth);
1522 break;
1523 case R128_READ_PIXELS:
1524 ret = r128_cce_dispatch_read_pixels(dev, depth);
1525 break;
1526 }
1527
1528 COMMIT_RING();
1529 return ret;
1530 }
1531
1532 static int r128_cce_stipple(struct drm_device *dev, void *data, struct drm_file *file_priv)
1533 {
1534 drm_r128_private_t *dev_priv = dev->dev_private;
1535 drm_r128_stipple_t *stipple = data;
1536 u32 mask[32];
1537
1538 LOCK_TEST_WITH_RETURN(dev, file_priv);
1539
1540 DEV_INIT_TEST_WITH_RETURN(dev_priv);
1541
1542 if (DRM_COPY_FROM_USER(&mask, stipple->mask, 32 * sizeof(u32)))
1543 return -EFAULT;
1544
1545 RING_SPACE_TEST_WITH_RETURN(dev_priv);
1546
1547 r128_cce_dispatch_stipple(dev, mask);
1548
1549 COMMIT_RING();
1550 return 0;
1551 }
1552
1553 static int r128_cce_indirect(struct drm_device *dev, void *data, struct drm_file *file_priv)
1554 {
1555 drm_r128_private_t *dev_priv = dev->dev_private;
1556 struct drm_device_dma *dma = dev->dma;
1557 struct drm_buf *buf;
1558 drm_r128_buf_priv_t *buf_priv;
1559 drm_r128_indirect_t *indirect = data;
1560 #if 0
1561 RING_LOCALS;
1562 #endif
1563
1564 LOCK_TEST_WITH_RETURN(dev, file_priv);
1565
1566 DEV_INIT_TEST_WITH_RETURN(dev_priv);
1567
1568 DRM_DEBUG("idx=%d s=%d e=%d d=%d\n",
1569 indirect->idx, indirect->start, indirect->end,
1570 indirect->discard);
1571
1572 if (indirect->idx < 0 || indirect->idx >= dma->buf_count) {
1573 DRM_ERROR("buffer index %d (of %d max)\n",
1574 indirect->idx, dma->buf_count - 1);
1575 return -EINVAL;
1576 }
1577
1578 buf = dma->buflist[indirect->idx];
1579 buf_priv = buf->dev_private;
1580
1581 if (buf->file_priv != file_priv) {
1582 DRM_ERROR("process %d using buffer owned by %p\n",
1583 DRM_CURRENTPID, buf->file_priv);
1584 return -EINVAL;
1585 }
1586 if (buf->pending) {
1587 DRM_ERROR("sending pending buffer %d\n", indirect->idx);
1588 return -EINVAL;
1589 }
1590
1591 if (indirect->start < buf->used) {
1592 DRM_ERROR("reusing indirect: start=0x%x actual=0x%x\n",
1593 indirect->start, buf->used);
1594 return -EINVAL;
1595 }
1596
1597 RING_SPACE_TEST_WITH_RETURN(dev_priv);
1598 VB_AGE_TEST_WITH_RETURN(dev_priv);
1599
1600 buf->used = indirect->end;
1601 buf_priv->discard = indirect->discard;
1602
1603 #if 0
1604 /* Wait for the 3D stream to idle before the indirect buffer
1605 * containing 2D acceleration commands is processed.
1606 */
1607 BEGIN_RING(2);
1608 RADEON_WAIT_UNTIL_3D_IDLE();
1609 ADVANCE_RING();
1610 #endif
1611
1612 /* Dispatch the indirect buffer full of commands from the
1613 * X server. This is insecure and is thus only available to
1614 * privileged clients.
1615 */
1616 r128_cce_dispatch_indirect(dev, buf, indirect->start, indirect->end);
1617
1618 COMMIT_RING();
1619 return 0;
1620 }
1621
1622 static int r128_getparam(struct drm_device *dev, void *data, struct drm_file *file_priv)
1623 {
1624 drm_r128_private_t *dev_priv = dev->dev_private;
1625 drm_r128_getparam_t *param = data;
1626 int value;
1627
1628 DEV_INIT_TEST_WITH_RETURN(dev_priv);
1629
1630 DRM_DEBUG("pid=%d\n", DRM_CURRENTPID);
1631
1632 switch (param->param) {
1633 case R128_PARAM_IRQ_NR:
1634 value = drm_dev_to_irq(dev);
1635 break;
1636 default:
1637 return -EINVAL;
1638 }
1639
1640 if (DRM_COPY_TO_USER(param->value, &value, sizeof(int))) {
1641 DRM_ERROR("copy_to_user\n");
1642 return -EFAULT;
1643 }
1644
1645 return 0;
1646 }
1647
1648 void r128_driver_preclose(struct drm_device * dev, struct drm_file *file_priv)
1649 {
1650 if (dev->dev_private) {
1651 drm_r128_private_t *dev_priv = dev->dev_private;
1652 if (dev_priv->page_flipping) {
1653 r128_do_cleanup_pageflip(dev);
1654 }
1655 }
1656 }
1657
1658 void r128_driver_lastclose(struct drm_device * dev)
1659 {
1660 r128_do_cleanup_cce(dev);
1661 }
1662
1663 struct drm_ioctl_desc r128_ioctls[] = {
1664 DRM_IOCTL_DEF(DRM_R128_INIT, r128_cce_init, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
1665 DRM_IOCTL_DEF(DRM_R128_CCE_START, r128_cce_start, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
1666 DRM_IOCTL_DEF(DRM_R128_CCE_STOP, r128_cce_stop, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
1667 DRM_IOCTL_DEF(DRM_R128_CCE_RESET, r128_cce_reset, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
1668 DRM_IOCTL_DEF(DRM_R128_CCE_IDLE, r128_cce_idle, DRM_AUTH),
1669 DRM_IOCTL_DEF(DRM_R128_RESET, r128_engine_reset, DRM_AUTH),
1670 DRM_IOCTL_DEF(DRM_R128_FULLSCREEN, r128_fullscreen, DRM_AUTH),
1671 DRM_IOCTL_DEF(DRM_R128_SWAP, r128_cce_swap, DRM_AUTH),
1672 DRM_IOCTL_DEF(DRM_R128_FLIP, r128_cce_flip, DRM_AUTH),
1673 DRM_IOCTL_DEF(DRM_R128_CLEAR, r128_cce_clear, DRM_AUTH),
1674 DRM_IOCTL_DEF(DRM_R128_VERTEX, r128_cce_vertex, DRM_AUTH),
1675 DRM_IOCTL_DEF(DRM_R128_INDICES, r128_cce_indices, DRM_AUTH),
1676 DRM_IOCTL_DEF(DRM_R128_BLIT, r128_cce_blit, DRM_AUTH),
1677 DRM_IOCTL_DEF(DRM_R128_DEPTH, r128_cce_depth, DRM_AUTH),
1678 DRM_IOCTL_DEF(DRM_R128_STIPPLE, r128_cce_stipple, DRM_AUTH),
1679 DRM_IOCTL_DEF(DRM_R128_INDIRECT, r128_cce_indirect, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
1680 DRM_IOCTL_DEF(DRM_R128_GETPARAM, r128_getparam, DRM_AUTH),
1681 };
1682
1683 int r128_max_ioctl = DRM_ARRAY_SIZE(r128_ioctls);
CRIS linux kernel tree