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[mirror_ubuntu-artful-kernel.git] / drivers / gpu / drm / radeon / evergreen_blit_kms.c
1 /*
2 * Copyright 2010 Advanced Micro Devices, Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE COPYRIGHT HOLDER(S) AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
19 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
20 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
21 * DEALINGS IN THE SOFTWARE.
22 *
23 * Authors:
24 * Alex Deucher <alexander.deucher@amd.com>
25 */
26
27 #include "drmP.h"
28 #include "drm.h"
29 #include "radeon_drm.h"
30 #include "radeon.h"
31
32 #include "evergreend.h"
33 #include "evergreen_blit_shaders.h"
34 #include "cayman_blit_shaders.h"
35
36 #define DI_PT_RECTLIST 0x11
37 #define DI_INDEX_SIZE_16_BIT 0x0
38 #define DI_SRC_SEL_AUTO_INDEX 0x2
39
40 #define FMT_8 0x1
41 #define FMT_5_6_5 0x8
42 #define FMT_8_8_8_8 0x1a
43 #define COLOR_8 0x1
44 #define COLOR_5_6_5 0x8
45 #define COLOR_8_8_8_8 0x1a
46
47 /* emits 17 */
48 static void
49 set_render_target(struct radeon_device *rdev, int format,
50 int w, int h, u64 gpu_addr)
51 {
52 u32 cb_color_info;
53 int pitch, slice;
54
55 h = ALIGN(h, 8);
56 if (h < 8)
57 h = 8;
58
59 cb_color_info = ((format << 2) | (1 << 24) | (1 << 8));
60 pitch = (w / 8) - 1;
61 slice = ((w * h) / 64) - 1;
62
63 radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 15));
64 radeon_ring_write(rdev, (CB_COLOR0_BASE - PACKET3_SET_CONTEXT_REG_START) >> 2);
65 radeon_ring_write(rdev, gpu_addr >> 8);
66 radeon_ring_write(rdev, pitch);
67 radeon_ring_write(rdev, slice);
68 radeon_ring_write(rdev, 0);
69 radeon_ring_write(rdev, cb_color_info);
70 radeon_ring_write(rdev, (1 << 4));
71 radeon_ring_write(rdev, (w - 1) | ((h - 1) << 16));
72 radeon_ring_write(rdev, 0);
73 radeon_ring_write(rdev, 0);
74 radeon_ring_write(rdev, 0);
75 radeon_ring_write(rdev, 0);
76 radeon_ring_write(rdev, 0);
77 radeon_ring_write(rdev, 0);
78 radeon_ring_write(rdev, 0);
79 radeon_ring_write(rdev, 0);
80 }
81
82 /* emits 5dw */
83 static void
84 cp_set_surface_sync(struct radeon_device *rdev,
85 u32 sync_type, u32 size,
86 u64 mc_addr)
87 {
88 u32 cp_coher_size;
89
90 if (size == 0xffffffff)
91 cp_coher_size = 0xffffffff;
92 else
93 cp_coher_size = ((size + 255) >> 8);
94
95 radeon_ring_write(rdev, PACKET3(PACKET3_SURFACE_SYNC, 3));
96 radeon_ring_write(rdev, sync_type);
97 radeon_ring_write(rdev, cp_coher_size);
98 radeon_ring_write(rdev, mc_addr >> 8);
99 radeon_ring_write(rdev, 10); /* poll interval */
100 }
101
102 /* emits 11dw + 1 surface sync = 16dw */
103 static void
104 set_shaders(struct radeon_device *rdev)
105 {
106 u64 gpu_addr;
107
108 /* VS */
109 gpu_addr = rdev->r600_blit.shader_gpu_addr + rdev->r600_blit.vs_offset;
110 radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 3));
111 radeon_ring_write(rdev, (SQ_PGM_START_VS - PACKET3_SET_CONTEXT_REG_START) >> 2);
112 radeon_ring_write(rdev, gpu_addr >> 8);
113 radeon_ring_write(rdev, 2);
114 radeon_ring_write(rdev, 0);
115
116 /* PS */
117 gpu_addr = rdev->r600_blit.shader_gpu_addr + rdev->r600_blit.ps_offset;
118 radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 4));
119 radeon_ring_write(rdev, (SQ_PGM_START_PS - PACKET3_SET_CONTEXT_REG_START) >> 2);
120 radeon_ring_write(rdev, gpu_addr >> 8);
121 radeon_ring_write(rdev, 1);
122 radeon_ring_write(rdev, 0);
123 radeon_ring_write(rdev, 2);
124
125 gpu_addr = rdev->r600_blit.shader_gpu_addr + rdev->r600_blit.vs_offset;
126 cp_set_surface_sync(rdev, PACKET3_SH_ACTION_ENA, 512, gpu_addr);
127 }
128
129 /* emits 10 + 1 sync (5) = 15 */
130 static void
131 set_vtx_resource(struct radeon_device *rdev, u64 gpu_addr)
132 {
133 u32 sq_vtx_constant_word2, sq_vtx_constant_word3;
134
135 /* high addr, stride */
136 sq_vtx_constant_word2 = ((upper_32_bits(gpu_addr) & 0xff) | (16 << 8));
137 #ifdef __BIG_ENDIAN
138 sq_vtx_constant_word2 |= (2 << 30);
139 #endif
140 /* xyzw swizzles */
141 sq_vtx_constant_word3 = (0 << 3) | (1 << 6) | (2 << 9) | (3 << 12);
142
143 radeon_ring_write(rdev, PACKET3(PACKET3_SET_RESOURCE, 8));
144 radeon_ring_write(rdev, 0x580);
145 radeon_ring_write(rdev, gpu_addr & 0xffffffff);
146 radeon_ring_write(rdev, 48 - 1); /* size */
147 radeon_ring_write(rdev, sq_vtx_constant_word2);
148 radeon_ring_write(rdev, sq_vtx_constant_word3);
149 radeon_ring_write(rdev, 0);
150 radeon_ring_write(rdev, 0);
151 radeon_ring_write(rdev, 0);
152 radeon_ring_write(rdev, SQ_TEX_VTX_VALID_BUFFER << 30);
153
154 if ((rdev->family == CHIP_CEDAR) ||
155 (rdev->family == CHIP_PALM) ||
156 (rdev->family == CHIP_SUMO) ||
157 (rdev->family == CHIP_SUMO2) ||
158 (rdev->family == CHIP_CAICOS))
159 cp_set_surface_sync(rdev,
160 PACKET3_TC_ACTION_ENA, 48, gpu_addr);
161 else
162 cp_set_surface_sync(rdev,
163 PACKET3_VC_ACTION_ENA, 48, gpu_addr);
164
165 }
166
167 /* emits 10 */
168 static void
169 set_tex_resource(struct radeon_device *rdev,
170 int format, int w, int h, int pitch,
171 u64 gpu_addr)
172 {
173 u32 sq_tex_resource_word0, sq_tex_resource_word1;
174 u32 sq_tex_resource_word4, sq_tex_resource_word7;
175
176 if (h < 1)
177 h = 1;
178
179 sq_tex_resource_word0 = (1 << 0); /* 2D */
180 sq_tex_resource_word0 |= ((((pitch >> 3) - 1) << 6) |
181 ((w - 1) << 18));
182 sq_tex_resource_word1 = ((h - 1) << 0) | (1 << 28);
183 /* xyzw swizzles */
184 sq_tex_resource_word4 = (0 << 16) | (1 << 19) | (2 << 22) | (3 << 25);
185
186 sq_tex_resource_word7 = format | (SQ_TEX_VTX_VALID_TEXTURE << 30);
187
188 radeon_ring_write(rdev, PACKET3(PACKET3_SET_RESOURCE, 8));
189 radeon_ring_write(rdev, 0);
190 radeon_ring_write(rdev, sq_tex_resource_word0);
191 radeon_ring_write(rdev, sq_tex_resource_word1);
192 radeon_ring_write(rdev, gpu_addr >> 8);
193 radeon_ring_write(rdev, gpu_addr >> 8);
194 radeon_ring_write(rdev, sq_tex_resource_word4);
195 radeon_ring_write(rdev, 0);
196 radeon_ring_write(rdev, 0);
197 radeon_ring_write(rdev, sq_tex_resource_word7);
198 }
199
200 /* emits 12 */
201 static void
202 set_scissors(struct radeon_device *rdev, int x1, int y1,
203 int x2, int y2)
204 {
205 /* workaround some hw bugs */
206 if (x2 == 0)
207 x1 = 1;
208 if (y2 == 0)
209 y1 = 1;
210 if (rdev->family == CHIP_CAYMAN) {
211 if ((x2 == 1) && (y2 == 1))
212 x2 = 2;
213 }
214
215 radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 2));
216 radeon_ring_write(rdev, (PA_SC_SCREEN_SCISSOR_TL - PACKET3_SET_CONTEXT_REG_START) >> 2);
217 radeon_ring_write(rdev, (x1 << 0) | (y1 << 16));
218 radeon_ring_write(rdev, (x2 << 0) | (y2 << 16));
219
220 radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 2));
221 radeon_ring_write(rdev, (PA_SC_GENERIC_SCISSOR_TL - PACKET3_SET_CONTEXT_REG_START) >> 2);
222 radeon_ring_write(rdev, (x1 << 0) | (y1 << 16) | (1 << 31));
223 radeon_ring_write(rdev, (x2 << 0) | (y2 << 16));
224
225 radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 2));
226 radeon_ring_write(rdev, (PA_SC_WINDOW_SCISSOR_TL - PACKET3_SET_CONTEXT_REG_START) >> 2);
227 radeon_ring_write(rdev, (x1 << 0) | (y1 << 16) | (1 << 31));
228 radeon_ring_write(rdev, (x2 << 0) | (y2 << 16));
229 }
230
231 /* emits 10 */
232 static void
233 draw_auto(struct radeon_device *rdev)
234 {
235 radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONFIG_REG, 1));
236 radeon_ring_write(rdev, (VGT_PRIMITIVE_TYPE - PACKET3_SET_CONFIG_REG_START) >> 2);
237 radeon_ring_write(rdev, DI_PT_RECTLIST);
238
239 radeon_ring_write(rdev, PACKET3(PACKET3_INDEX_TYPE, 0));
240 radeon_ring_write(rdev,
241 #ifdef __BIG_ENDIAN
242 (2 << 2) |
243 #endif
244 DI_INDEX_SIZE_16_BIT);
245
246 radeon_ring_write(rdev, PACKET3(PACKET3_NUM_INSTANCES, 0));
247 radeon_ring_write(rdev, 1);
248
249 radeon_ring_write(rdev, PACKET3(PACKET3_DRAW_INDEX_AUTO, 1));
250 radeon_ring_write(rdev, 3);
251 radeon_ring_write(rdev, DI_SRC_SEL_AUTO_INDEX);
252
253 }
254
255 /* emits 36 */
256 static void
257 set_default_state(struct radeon_device *rdev)
258 {
259 u32 sq_config, sq_gpr_resource_mgmt_1, sq_gpr_resource_mgmt_2, sq_gpr_resource_mgmt_3;
260 u32 sq_thread_resource_mgmt, sq_thread_resource_mgmt_2;
261 u32 sq_stack_resource_mgmt_1, sq_stack_resource_mgmt_2, sq_stack_resource_mgmt_3;
262 int num_ps_gprs, num_vs_gprs, num_temp_gprs;
263 int num_gs_gprs, num_es_gprs, num_hs_gprs, num_ls_gprs;
264 int num_ps_threads, num_vs_threads, num_gs_threads, num_es_threads;
265 int num_hs_threads, num_ls_threads;
266 int num_ps_stack_entries, num_vs_stack_entries, num_gs_stack_entries, num_es_stack_entries;
267 int num_hs_stack_entries, num_ls_stack_entries;
268 u64 gpu_addr;
269 int dwords;
270
271 /* set clear context state */
272 radeon_ring_write(rdev, PACKET3(PACKET3_CLEAR_STATE, 0));
273 radeon_ring_write(rdev, 0);
274
275 if (rdev->family < CHIP_CAYMAN) {
276 switch (rdev->family) {
277 case CHIP_CEDAR:
278 default:
279 num_ps_gprs = 93;
280 num_vs_gprs = 46;
281 num_temp_gprs = 4;
282 num_gs_gprs = 31;
283 num_es_gprs = 31;
284 num_hs_gprs = 23;
285 num_ls_gprs = 23;
286 num_ps_threads = 96;
287 num_vs_threads = 16;
288 num_gs_threads = 16;
289 num_es_threads = 16;
290 num_hs_threads = 16;
291 num_ls_threads = 16;
292 num_ps_stack_entries = 42;
293 num_vs_stack_entries = 42;
294 num_gs_stack_entries = 42;
295 num_es_stack_entries = 42;
296 num_hs_stack_entries = 42;
297 num_ls_stack_entries = 42;
298 break;
299 case CHIP_REDWOOD:
300 num_ps_gprs = 93;
301 num_vs_gprs = 46;
302 num_temp_gprs = 4;
303 num_gs_gprs = 31;
304 num_es_gprs = 31;
305 num_hs_gprs = 23;
306 num_ls_gprs = 23;
307 num_ps_threads = 128;
308 num_vs_threads = 20;
309 num_gs_threads = 20;
310 num_es_threads = 20;
311 num_hs_threads = 20;
312 num_ls_threads = 20;
313 num_ps_stack_entries = 42;
314 num_vs_stack_entries = 42;
315 num_gs_stack_entries = 42;
316 num_es_stack_entries = 42;
317 num_hs_stack_entries = 42;
318 num_ls_stack_entries = 42;
319 break;
320 case CHIP_JUNIPER:
321 num_ps_gprs = 93;
322 num_vs_gprs = 46;
323 num_temp_gprs = 4;
324 num_gs_gprs = 31;
325 num_es_gprs = 31;
326 num_hs_gprs = 23;
327 num_ls_gprs = 23;
328 num_ps_threads = 128;
329 num_vs_threads = 20;
330 num_gs_threads = 20;
331 num_es_threads = 20;
332 num_hs_threads = 20;
333 num_ls_threads = 20;
334 num_ps_stack_entries = 85;
335 num_vs_stack_entries = 85;
336 num_gs_stack_entries = 85;
337 num_es_stack_entries = 85;
338 num_hs_stack_entries = 85;
339 num_ls_stack_entries = 85;
340 break;
341 case CHIP_CYPRESS:
342 case CHIP_HEMLOCK:
343 num_ps_gprs = 93;
344 num_vs_gprs = 46;
345 num_temp_gprs = 4;
346 num_gs_gprs = 31;
347 num_es_gprs = 31;
348 num_hs_gprs = 23;
349 num_ls_gprs = 23;
350 num_ps_threads = 128;
351 num_vs_threads = 20;
352 num_gs_threads = 20;
353 num_es_threads = 20;
354 num_hs_threads = 20;
355 num_ls_threads = 20;
356 num_ps_stack_entries = 85;
357 num_vs_stack_entries = 85;
358 num_gs_stack_entries = 85;
359 num_es_stack_entries = 85;
360 num_hs_stack_entries = 85;
361 num_ls_stack_entries = 85;
362 break;
363 case CHIP_PALM:
364 num_ps_gprs = 93;
365 num_vs_gprs = 46;
366 num_temp_gprs = 4;
367 num_gs_gprs = 31;
368 num_es_gprs = 31;
369 num_hs_gprs = 23;
370 num_ls_gprs = 23;
371 num_ps_threads = 96;
372 num_vs_threads = 16;
373 num_gs_threads = 16;
374 num_es_threads = 16;
375 num_hs_threads = 16;
376 num_ls_threads = 16;
377 num_ps_stack_entries = 42;
378 num_vs_stack_entries = 42;
379 num_gs_stack_entries = 42;
380 num_es_stack_entries = 42;
381 num_hs_stack_entries = 42;
382 num_ls_stack_entries = 42;
383 break;
384 case CHIP_SUMO:
385 num_ps_gprs = 93;
386 num_vs_gprs = 46;
387 num_temp_gprs = 4;
388 num_gs_gprs = 31;
389 num_es_gprs = 31;
390 num_hs_gprs = 23;
391 num_ls_gprs = 23;
392 num_ps_threads = 96;
393 num_vs_threads = 25;
394 num_gs_threads = 25;
395 num_es_threads = 25;
396 num_hs_threads = 25;
397 num_ls_threads = 25;
398 num_ps_stack_entries = 42;
399 num_vs_stack_entries = 42;
400 num_gs_stack_entries = 42;
401 num_es_stack_entries = 42;
402 num_hs_stack_entries = 42;
403 num_ls_stack_entries = 42;
404 break;
405 case CHIP_SUMO2:
406 num_ps_gprs = 93;
407 num_vs_gprs = 46;
408 num_temp_gprs = 4;
409 num_gs_gprs = 31;
410 num_es_gprs = 31;
411 num_hs_gprs = 23;
412 num_ls_gprs = 23;
413 num_ps_threads = 96;
414 num_vs_threads = 25;
415 num_gs_threads = 25;
416 num_es_threads = 25;
417 num_hs_threads = 25;
418 num_ls_threads = 25;
419 num_ps_stack_entries = 85;
420 num_vs_stack_entries = 85;
421 num_gs_stack_entries = 85;
422 num_es_stack_entries = 85;
423 num_hs_stack_entries = 85;
424 num_ls_stack_entries = 85;
425 break;
426 case CHIP_BARTS:
427 num_ps_gprs = 93;
428 num_vs_gprs = 46;
429 num_temp_gprs = 4;
430 num_gs_gprs = 31;
431 num_es_gprs = 31;
432 num_hs_gprs = 23;
433 num_ls_gprs = 23;
434 num_ps_threads = 128;
435 num_vs_threads = 20;
436 num_gs_threads = 20;
437 num_es_threads = 20;
438 num_hs_threads = 20;
439 num_ls_threads = 20;
440 num_ps_stack_entries = 85;
441 num_vs_stack_entries = 85;
442 num_gs_stack_entries = 85;
443 num_es_stack_entries = 85;
444 num_hs_stack_entries = 85;
445 num_ls_stack_entries = 85;
446 break;
447 case CHIP_TURKS:
448 num_ps_gprs = 93;
449 num_vs_gprs = 46;
450 num_temp_gprs = 4;
451 num_gs_gprs = 31;
452 num_es_gprs = 31;
453 num_hs_gprs = 23;
454 num_ls_gprs = 23;
455 num_ps_threads = 128;
456 num_vs_threads = 20;
457 num_gs_threads = 20;
458 num_es_threads = 20;
459 num_hs_threads = 20;
460 num_ls_threads = 20;
461 num_ps_stack_entries = 42;
462 num_vs_stack_entries = 42;
463 num_gs_stack_entries = 42;
464 num_es_stack_entries = 42;
465 num_hs_stack_entries = 42;
466 num_ls_stack_entries = 42;
467 break;
468 case CHIP_CAICOS:
469 num_ps_gprs = 93;
470 num_vs_gprs = 46;
471 num_temp_gprs = 4;
472 num_gs_gprs = 31;
473 num_es_gprs = 31;
474 num_hs_gprs = 23;
475 num_ls_gprs = 23;
476 num_ps_threads = 128;
477 num_vs_threads = 10;
478 num_gs_threads = 10;
479 num_es_threads = 10;
480 num_hs_threads = 10;
481 num_ls_threads = 10;
482 num_ps_stack_entries = 42;
483 num_vs_stack_entries = 42;
484 num_gs_stack_entries = 42;
485 num_es_stack_entries = 42;
486 num_hs_stack_entries = 42;
487 num_ls_stack_entries = 42;
488 break;
489 }
490
491 if ((rdev->family == CHIP_CEDAR) ||
492 (rdev->family == CHIP_PALM) ||
493 (rdev->family == CHIP_SUMO) ||
494 (rdev->family == CHIP_SUMO2) ||
495 (rdev->family == CHIP_CAICOS))
496 sq_config = 0;
497 else
498 sq_config = VC_ENABLE;
499
500 sq_config |= (EXPORT_SRC_C |
501 CS_PRIO(0) |
502 LS_PRIO(0) |
503 HS_PRIO(0) |
504 PS_PRIO(0) |
505 VS_PRIO(1) |
506 GS_PRIO(2) |
507 ES_PRIO(3));
508
509 sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(num_ps_gprs) |
510 NUM_VS_GPRS(num_vs_gprs) |
511 NUM_CLAUSE_TEMP_GPRS(num_temp_gprs));
512 sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(num_gs_gprs) |
513 NUM_ES_GPRS(num_es_gprs));
514 sq_gpr_resource_mgmt_3 = (NUM_HS_GPRS(num_hs_gprs) |
515 NUM_LS_GPRS(num_ls_gprs));
516 sq_thread_resource_mgmt = (NUM_PS_THREADS(num_ps_threads) |
517 NUM_VS_THREADS(num_vs_threads) |
518 NUM_GS_THREADS(num_gs_threads) |
519 NUM_ES_THREADS(num_es_threads));
520 sq_thread_resource_mgmt_2 = (NUM_HS_THREADS(num_hs_threads) |
521 NUM_LS_THREADS(num_ls_threads));
522 sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(num_ps_stack_entries) |
523 NUM_VS_STACK_ENTRIES(num_vs_stack_entries));
524 sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(num_gs_stack_entries) |
525 NUM_ES_STACK_ENTRIES(num_es_stack_entries));
526 sq_stack_resource_mgmt_3 = (NUM_HS_STACK_ENTRIES(num_hs_stack_entries) |
527 NUM_LS_STACK_ENTRIES(num_ls_stack_entries));
528
529 /* disable dyn gprs */
530 radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONFIG_REG, 1));
531 radeon_ring_write(rdev, (SQ_DYN_GPR_CNTL_PS_FLUSH_REQ - PACKET3_SET_CONFIG_REG_START) >> 2);
532 radeon_ring_write(rdev, 0);
533
534 /* SQ config */
535 radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONFIG_REG, 11));
536 radeon_ring_write(rdev, (SQ_CONFIG - PACKET3_SET_CONFIG_REG_START) >> 2);
537 radeon_ring_write(rdev, sq_config);
538 radeon_ring_write(rdev, sq_gpr_resource_mgmt_1);
539 radeon_ring_write(rdev, sq_gpr_resource_mgmt_2);
540 radeon_ring_write(rdev, sq_gpr_resource_mgmt_3);
541 radeon_ring_write(rdev, 0);
542 radeon_ring_write(rdev, 0);
543 radeon_ring_write(rdev, sq_thread_resource_mgmt);
544 radeon_ring_write(rdev, sq_thread_resource_mgmt_2);
545 radeon_ring_write(rdev, sq_stack_resource_mgmt_1);
546 radeon_ring_write(rdev, sq_stack_resource_mgmt_2);
547 radeon_ring_write(rdev, sq_stack_resource_mgmt_3);
548 }
549
550 /* CONTEXT_CONTROL */
551 radeon_ring_write(rdev, 0xc0012800);
552 radeon_ring_write(rdev, 0x80000000);
553 radeon_ring_write(rdev, 0x80000000);
554
555 /* SQ_VTX_BASE_VTX_LOC */
556 radeon_ring_write(rdev, 0xc0026f00);
557 radeon_ring_write(rdev, 0x00000000);
558 radeon_ring_write(rdev, 0x00000000);
559 radeon_ring_write(rdev, 0x00000000);
560
561 /* SET_SAMPLER */
562 radeon_ring_write(rdev, 0xc0036e00);
563 radeon_ring_write(rdev, 0x00000000);
564 radeon_ring_write(rdev, 0x00000012);
565 radeon_ring_write(rdev, 0x00000000);
566 radeon_ring_write(rdev, 0x00000000);
567
568 /* set to DX10/11 mode */
569 radeon_ring_write(rdev, PACKET3(PACKET3_MODE_CONTROL, 0));
570 radeon_ring_write(rdev, 1);
571
572 /* emit an IB pointing at default state */
573 dwords = ALIGN(rdev->r600_blit.state_len, 0x10);
574 gpu_addr = rdev->r600_blit.shader_gpu_addr + rdev->r600_blit.state_offset;
575 radeon_ring_write(rdev, PACKET3(PACKET3_INDIRECT_BUFFER, 2));
576 radeon_ring_write(rdev, gpu_addr & 0xFFFFFFFC);
577 radeon_ring_write(rdev, upper_32_bits(gpu_addr) & 0xFF);
578 radeon_ring_write(rdev, dwords);
579
580 }
581
582 static inline uint32_t i2f(uint32_t input)
583 {
584 u32 result, i, exponent, fraction;
585
586 if ((input & 0x3fff) == 0)
587 result = 0; /* 0 is a special case */
588 else {
589 exponent = 140; /* exponent biased by 127; */
590 fraction = (input & 0x3fff) << 10; /* cheat and only
591 handle numbers below 2^^15 */
592 for (i = 0; i < 14; i++) {
593 if (fraction & 0x800000)
594 break;
595 else {
596 fraction = fraction << 1; /* keep
597 shifting left until top bit = 1 */
598 exponent = exponent - 1;
599 }
600 }
601 result = exponent << 23 | (fraction & 0x7fffff); /* mask
602 off top bit; assumed 1 */
603 }
604 return result;
605 }
606
607 int evergreen_blit_init(struct radeon_device *rdev)
608 {
609 u32 obj_size;
610 int i, r, dwords;
611 void *ptr;
612 u32 packet2s[16];
613 int num_packet2s = 0;
614
615 /* pin copy shader into vram if already initialized */
616 if (rdev->r600_blit.shader_obj)
617 goto done;
618
619 mutex_init(&rdev->r600_blit.mutex);
620 rdev->r600_blit.state_offset = 0;
621
622 if (rdev->family < CHIP_CAYMAN)
623 rdev->r600_blit.state_len = evergreen_default_size;
624 else
625 rdev->r600_blit.state_len = cayman_default_size;
626
627 dwords = rdev->r600_blit.state_len;
628 while (dwords & 0xf) {
629 packet2s[num_packet2s++] = cpu_to_le32(PACKET2(0));
630 dwords++;
631 }
632
633 obj_size = dwords * 4;
634 obj_size = ALIGN(obj_size, 256);
635
636 rdev->r600_blit.vs_offset = obj_size;
637 if (rdev->family < CHIP_CAYMAN)
638 obj_size += evergreen_vs_size * 4;
639 else
640 obj_size += cayman_vs_size * 4;
641 obj_size = ALIGN(obj_size, 256);
642
643 rdev->r600_blit.ps_offset = obj_size;
644 if (rdev->family < CHIP_CAYMAN)
645 obj_size += evergreen_ps_size * 4;
646 else
647 obj_size += cayman_ps_size * 4;
648 obj_size = ALIGN(obj_size, 256);
649
650 r = radeon_bo_create(rdev, obj_size, PAGE_SIZE, true, RADEON_GEM_DOMAIN_VRAM,
651 &rdev->r600_blit.shader_obj);
652 if (r) {
653 DRM_ERROR("evergreen failed to allocate shader\n");
654 return r;
655 }
656
657 DRM_DEBUG("evergreen blit allocated bo %08x vs %08x ps %08x\n",
658 obj_size,
659 rdev->r600_blit.vs_offset, rdev->r600_blit.ps_offset);
660
661 r = radeon_bo_reserve(rdev->r600_blit.shader_obj, false);
662 if (unlikely(r != 0))
663 return r;
664 r = radeon_bo_kmap(rdev->r600_blit.shader_obj, &ptr);
665 if (r) {
666 DRM_ERROR("failed to map blit object %d\n", r);
667 return r;
668 }
669
670 if (rdev->family < CHIP_CAYMAN) {
671 memcpy_toio(ptr + rdev->r600_blit.state_offset,
672 evergreen_default_state, rdev->r600_blit.state_len * 4);
673
674 if (num_packet2s)
675 memcpy_toio(ptr + rdev->r600_blit.state_offset + (rdev->r600_blit.state_len * 4),
676 packet2s, num_packet2s * 4);
677 for (i = 0; i < evergreen_vs_size; i++)
678 *(u32 *)((unsigned long)ptr + rdev->r600_blit.vs_offset + i * 4) = cpu_to_le32(evergreen_vs[i]);
679 for (i = 0; i < evergreen_ps_size; i++)
680 *(u32 *)((unsigned long)ptr + rdev->r600_blit.ps_offset + i * 4) = cpu_to_le32(evergreen_ps[i]);
681 } else {
682 memcpy_toio(ptr + rdev->r600_blit.state_offset,
683 cayman_default_state, rdev->r600_blit.state_len * 4);
684
685 if (num_packet2s)
686 memcpy_toio(ptr + rdev->r600_blit.state_offset + (rdev->r600_blit.state_len * 4),
687 packet2s, num_packet2s * 4);
688 for (i = 0; i < cayman_vs_size; i++)
689 *(u32 *)((unsigned long)ptr + rdev->r600_blit.vs_offset + i * 4) = cpu_to_le32(cayman_vs[i]);
690 for (i = 0; i < cayman_ps_size; i++)
691 *(u32 *)((unsigned long)ptr + rdev->r600_blit.ps_offset + i * 4) = cpu_to_le32(cayman_ps[i]);
692 }
693 radeon_bo_kunmap(rdev->r600_blit.shader_obj);
694 radeon_bo_unreserve(rdev->r600_blit.shader_obj);
695
696 done:
697 r = radeon_bo_reserve(rdev->r600_blit.shader_obj, false);
698 if (unlikely(r != 0))
699 return r;
700 r = radeon_bo_pin(rdev->r600_blit.shader_obj, RADEON_GEM_DOMAIN_VRAM,
701 &rdev->r600_blit.shader_gpu_addr);
702 radeon_bo_unreserve(rdev->r600_blit.shader_obj);
703 if (r) {
704 dev_err(rdev->dev, "(%d) pin blit object failed\n", r);
705 return r;
706 }
707 radeon_ttm_set_active_vram_size(rdev, rdev->mc.real_vram_size);
708 return 0;
709 }
710
711 void evergreen_blit_fini(struct radeon_device *rdev)
712 {
713 int r;
714
715 radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
716 if (rdev->r600_blit.shader_obj == NULL)
717 return;
718 /* If we can't reserve the bo, unref should be enough to destroy
719 * it when it becomes idle.
720 */
721 r = radeon_bo_reserve(rdev->r600_blit.shader_obj, false);
722 if (!r) {
723 radeon_bo_unpin(rdev->r600_blit.shader_obj);
724 radeon_bo_unreserve(rdev->r600_blit.shader_obj);
725 }
726 radeon_bo_unref(&rdev->r600_blit.shader_obj);
727 }
728
729 static int evergreen_vb_ib_get(struct radeon_device *rdev)
730 {
731 int r;
732 r = radeon_ib_get(rdev, &rdev->r600_blit.vb_ib);
733 if (r) {
734 DRM_ERROR("failed to get IB for vertex buffer\n");
735 return r;
736 }
737
738 rdev->r600_blit.vb_total = 64*1024;
739 rdev->r600_blit.vb_used = 0;
740 return 0;
741 }
742
743 static void evergreen_vb_ib_put(struct radeon_device *rdev)
744 {
745 radeon_fence_emit(rdev, rdev->r600_blit.vb_ib->fence);
746 radeon_ib_free(rdev, &rdev->r600_blit.vb_ib);
747 }
748
749 int evergreen_blit_prepare_copy(struct radeon_device *rdev, int size_bytes)
750 {
751 int r;
752 int ring_size, line_size;
753 int max_size;
754 /* loops of emits + fence emit possible */
755 int dwords_per_loop = 74, num_loops;
756
757 r = evergreen_vb_ib_get(rdev);
758 if (r)
759 return r;
760
761 /* 8 bpp vs 32 bpp for xfer unit */
762 if (size_bytes & 3)
763 line_size = 8192;
764 else
765 line_size = 8192 * 4;
766
767 max_size = 8192 * line_size;
768
769 /* major loops cover the max size transfer */
770 num_loops = ((size_bytes + max_size) / max_size);
771 /* minor loops cover the extra non aligned bits */
772 num_loops += ((size_bytes % line_size) ? 1 : 0);
773 /* calculate number of loops correctly */
774 ring_size = num_loops * dwords_per_loop;
775 /* set default + shaders */
776 ring_size += 52; /* shaders + def state */
777 ring_size += 10; /* fence emit for VB IB */
778 ring_size += 5; /* done copy */
779 ring_size += 10; /* fence emit for done copy */
780 r = radeon_ring_lock(rdev, ring_size);
781 if (r)
782 return r;
783
784 set_default_state(rdev); /* 36 */
785 set_shaders(rdev); /* 16 */
786 return 0;
787 }
788
789 void evergreen_blit_done_copy(struct radeon_device *rdev, struct radeon_fence *fence)
790 {
791 int r;
792
793 if (rdev->r600_blit.vb_ib)
794 evergreen_vb_ib_put(rdev);
795
796 if (fence)
797 r = radeon_fence_emit(rdev, fence);
798
799 radeon_ring_unlock_commit(rdev);
800 }
801
802 void evergreen_kms_blit_copy(struct radeon_device *rdev,
803 u64 src_gpu_addr, u64 dst_gpu_addr,
804 int size_bytes)
805 {
806 int max_bytes;
807 u64 vb_gpu_addr;
808 u32 *vb;
809
810 DRM_DEBUG("emitting copy %16llx %16llx %d %d\n", src_gpu_addr, dst_gpu_addr,
811 size_bytes, rdev->r600_blit.vb_used);
812 vb = (u32 *)(rdev->r600_blit.vb_ib->ptr + rdev->r600_blit.vb_used);
813 if ((size_bytes & 3) || (src_gpu_addr & 3) || (dst_gpu_addr & 3)) {
814 max_bytes = 8192;
815
816 while (size_bytes) {
817 int cur_size = size_bytes;
818 int src_x = src_gpu_addr & 255;
819 int dst_x = dst_gpu_addr & 255;
820 int h = 1;
821 src_gpu_addr = src_gpu_addr & ~255ULL;
822 dst_gpu_addr = dst_gpu_addr & ~255ULL;
823
824 if (!src_x && !dst_x) {
825 h = (cur_size / max_bytes);
826 if (h > 8192)
827 h = 8192;
828 if (h == 0)
829 h = 1;
830 else
831 cur_size = max_bytes;
832 } else {
833 if (cur_size > max_bytes)
834 cur_size = max_bytes;
835 if (cur_size > (max_bytes - dst_x))
836 cur_size = (max_bytes - dst_x);
837 if (cur_size > (max_bytes - src_x))
838 cur_size = (max_bytes - src_x);
839 }
840
841 if ((rdev->r600_blit.vb_used + 48) > rdev->r600_blit.vb_total) {
842 WARN_ON(1);
843 }
844
845 vb[0] = i2f(dst_x);
846 vb[1] = 0;
847 vb[2] = i2f(src_x);
848 vb[3] = 0;
849
850 vb[4] = i2f(dst_x);
851 vb[5] = i2f(h);
852 vb[6] = i2f(src_x);
853 vb[7] = i2f(h);
854
855 vb[8] = i2f(dst_x + cur_size);
856 vb[9] = i2f(h);
857 vb[10] = i2f(src_x + cur_size);
858 vb[11] = i2f(h);
859
860 /* src 10 */
861 set_tex_resource(rdev, FMT_8,
862 src_x + cur_size, h, src_x + cur_size,
863 src_gpu_addr);
864
865 /* 5 */
866 cp_set_surface_sync(rdev,
867 PACKET3_TC_ACTION_ENA, (src_x + cur_size * h), src_gpu_addr);
868
869
870 /* dst 17 */
871 set_render_target(rdev, COLOR_8,
872 dst_x + cur_size, h,
873 dst_gpu_addr);
874
875 /* scissors 12 */
876 set_scissors(rdev, dst_x, 0, dst_x + cur_size, h);
877
878 /* 15 */
879 vb_gpu_addr = rdev->r600_blit.vb_ib->gpu_addr + rdev->r600_blit.vb_used;
880 set_vtx_resource(rdev, vb_gpu_addr);
881
882 /* draw 10 */
883 draw_auto(rdev);
884
885 /* 5 */
886 cp_set_surface_sync(rdev,
887 PACKET3_CB_ACTION_ENA | PACKET3_CB0_DEST_BASE_ENA,
888 cur_size * h, dst_gpu_addr);
889
890 vb += 12;
891 rdev->r600_blit.vb_used += 12 * 4;
892
893 src_gpu_addr += cur_size * h;
894 dst_gpu_addr += cur_size * h;
895 size_bytes -= cur_size * h;
896 }
897 } else {
898 max_bytes = 8192 * 4;
899
900 while (size_bytes) {
901 int cur_size = size_bytes;
902 int src_x = (src_gpu_addr & 255);
903 int dst_x = (dst_gpu_addr & 255);
904 int h = 1;
905 src_gpu_addr = src_gpu_addr & ~255ULL;
906 dst_gpu_addr = dst_gpu_addr & ~255ULL;
907
908 if (!src_x && !dst_x) {
909 h = (cur_size / max_bytes);
910 if (h > 8192)
911 h = 8192;
912 if (h == 0)
913 h = 1;
914 else
915 cur_size = max_bytes;
916 } else {
917 if (cur_size > max_bytes)
918 cur_size = max_bytes;
919 if (cur_size > (max_bytes - dst_x))
920 cur_size = (max_bytes - dst_x);
921 if (cur_size > (max_bytes - src_x))
922 cur_size = (max_bytes - src_x);
923 }
924
925 if ((rdev->r600_blit.vb_used + 48) > rdev->r600_blit.vb_total) {
926 WARN_ON(1);
927 }
928
929 vb[0] = i2f(dst_x / 4);
930 vb[1] = 0;
931 vb[2] = i2f(src_x / 4);
932 vb[3] = 0;
933
934 vb[4] = i2f(dst_x / 4);
935 vb[5] = i2f(h);
936 vb[6] = i2f(src_x / 4);
937 vb[7] = i2f(h);
938
939 vb[8] = i2f((dst_x + cur_size) / 4);
940 vb[9] = i2f(h);
941 vb[10] = i2f((src_x + cur_size) / 4);
942 vb[11] = i2f(h);
943
944 /* src 10 */
945 set_tex_resource(rdev, FMT_8_8_8_8,
946 (src_x + cur_size) / 4,
947 h, (src_x + cur_size) / 4,
948 src_gpu_addr);
949 /* 5 */
950 cp_set_surface_sync(rdev,
951 PACKET3_TC_ACTION_ENA, (src_x + cur_size * h), src_gpu_addr);
952
953 /* dst 17 */
954 set_render_target(rdev, COLOR_8_8_8_8,
955 (dst_x + cur_size) / 4, h,
956 dst_gpu_addr);
957
958 /* scissors 12 */
959 set_scissors(rdev, (dst_x / 4), 0, (dst_x + cur_size / 4), h);
960
961 /* Vertex buffer setup 15 */
962 vb_gpu_addr = rdev->r600_blit.vb_ib->gpu_addr + rdev->r600_blit.vb_used;
963 set_vtx_resource(rdev, vb_gpu_addr);
964
965 /* draw 10 */
966 draw_auto(rdev);
967
968 /* 5 */
969 cp_set_surface_sync(rdev,
970 PACKET3_CB_ACTION_ENA | PACKET3_CB0_DEST_BASE_ENA,
971 cur_size * h, dst_gpu_addr);
972
973 /* 74 ring dwords per loop */
974 vb += 12;
975 rdev->r600_blit.vb_used += 12 * 4;
976
977 src_gpu_addr += cur_size * h;
978 dst_gpu_addr += cur_size * h;
979 size_bytes -= cur_size * h;
980 }
981 }
982 }
983
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