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1/*
2 * Copyright 2009 Advanced Micro Devices, Inc.
3 * Copyright 2009 Red Hat Inc.
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 * THE COPYRIGHT HOLDER(S) 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 */
25
26#include "drmP.h"
27#include "drm.h"
28#include "radeon_drm.h"
29#include "radeon.h"
30
31#include "r600d.h"
32#include "r600_blit_shaders.h"
33
34#define DI_PT_RECTLIST 0x11
35#define DI_INDEX_SIZE_16_BIT 0x0
36#define DI_SRC_SEL_AUTO_INDEX 0x2
37
38#define FMT_8 0x1
39#define FMT_5_6_5 0x8
40#define FMT_8_8_8_8 0x1a
41#define COLOR_8 0x1
42#define COLOR_5_6_5 0x8
43#define COLOR_8_8_8_8 0x1a
44
45/* emits 21 on rv770+, 23 on r600 */
46static void
47set_render_target(struct radeon_device *rdev, int format,
48 int w, int h, u64 gpu_addr)
49{
50 u32 cb_color_info;
51 int pitch, slice;
52
53 h = ALIGN(h, 8);
54 if (h < 8)
55 h = 8;
56
57 cb_color_info = ((format << 2) | (1 << 27) | (1 << 8));
58 pitch = (w / 8) - 1;
59 slice = ((w * h) / 64) - 1;
60
61 radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 1));
62 radeon_ring_write(rdev, (CB_COLOR0_BASE - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2);
63 radeon_ring_write(rdev, gpu_addr >> 8);
64
65 if (rdev->family > CHIP_R600 && rdev->family < CHIP_RV770) {
66 radeon_ring_write(rdev, PACKET3(PACKET3_SURFACE_BASE_UPDATE, 0));
67 radeon_ring_write(rdev, 2 << 0);
68 }
69
70 radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 1));
71 radeon_ring_write(rdev, (CB_COLOR0_SIZE - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2);
72 radeon_ring_write(rdev, (pitch << 0) | (slice << 10));
73
74 radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 1));
75 radeon_ring_write(rdev, (CB_COLOR0_VIEW - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2);
76 radeon_ring_write(rdev, 0);
77
78 radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 1));
79 radeon_ring_write(rdev, (CB_COLOR0_INFO - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2);
80 radeon_ring_write(rdev, cb_color_info);
81
82 radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 1));
83 radeon_ring_write(rdev, (CB_COLOR0_TILE - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2);
84 radeon_ring_write(rdev, 0);
85
86 radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 1));
87 radeon_ring_write(rdev, (CB_COLOR0_FRAG - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2);
88 radeon_ring_write(rdev, 0);
89
90 radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 1));
91 radeon_ring_write(rdev, (CB_COLOR0_MASK - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2);
92 radeon_ring_write(rdev, 0);
93}
94
95/* emits 5dw */
96static void
97cp_set_surface_sync(struct radeon_device *rdev,
98 u32 sync_type, u32 size,
99 u64 mc_addr)
100{
101 u32 cp_coher_size;
102
103 if (size == 0xffffffff)
104 cp_coher_size = 0xffffffff;
105 else
106 cp_coher_size = ((size + 255) >> 8);
107
108 radeon_ring_write(rdev, PACKET3(PACKET3_SURFACE_SYNC, 3));
109 radeon_ring_write(rdev, sync_type);
110 radeon_ring_write(rdev, cp_coher_size);
111 radeon_ring_write(rdev, mc_addr >> 8);
112 radeon_ring_write(rdev, 10); /* poll interval */
113}
114
115/* emits 21dw + 1 surface sync = 26dw */
116static void
117set_shaders(struct radeon_device *rdev)
118{
119 u64 gpu_addr;
120 u32 sq_pgm_resources;
121
122 /* setup shader regs */
123 sq_pgm_resources = (1 << 0);
124
125 /* VS */
126 gpu_addr = rdev->r600_blit.shader_gpu_addr + rdev->r600_blit.vs_offset;
127 radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 1));
128 radeon_ring_write(rdev, (SQ_PGM_START_VS - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2);
129 radeon_ring_write(rdev, gpu_addr >> 8);
130
131 radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 1));
132 radeon_ring_write(rdev, (SQ_PGM_RESOURCES_VS - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2);
133 radeon_ring_write(rdev, sq_pgm_resources);
134
135 radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 1));
136 radeon_ring_write(rdev, (SQ_PGM_CF_OFFSET_VS - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2);
137 radeon_ring_write(rdev, 0);
138
139 /* PS */
140 gpu_addr = rdev->r600_blit.shader_gpu_addr + rdev->r600_blit.ps_offset;
141 radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 1));
142 radeon_ring_write(rdev, (SQ_PGM_START_PS - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2);
143 radeon_ring_write(rdev, gpu_addr >> 8);
144
145 radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 1));
146 radeon_ring_write(rdev, (SQ_PGM_RESOURCES_PS - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2);
147 radeon_ring_write(rdev, sq_pgm_resources | (1 << 28));
148
149 radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 1));
150 radeon_ring_write(rdev, (SQ_PGM_EXPORTS_PS - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2);
151 radeon_ring_write(rdev, 2);
152
153 radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 1));
154 radeon_ring_write(rdev, (SQ_PGM_CF_OFFSET_PS - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2);
155 radeon_ring_write(rdev, 0);
156
157 gpu_addr = rdev->r600_blit.shader_gpu_addr + rdev->r600_blit.vs_offset;
158 cp_set_surface_sync(rdev, PACKET3_SH_ACTION_ENA, 512, gpu_addr);
159}
160
161/* emits 9 + 1 sync (5) = 14*/
162static void
163set_vtx_resource(struct radeon_device *rdev, u64 gpu_addr)
164{
165 u32 sq_vtx_constant_word2;
166
167 sq_vtx_constant_word2 = ((upper_32_bits(gpu_addr) & 0xff) | (16 << 8));
168#ifdef __BIG_ENDIAN
169 sq_vtx_constant_word2 |= (2 << 30);
170#endif
171
172 radeon_ring_write(rdev, PACKET3(PACKET3_SET_RESOURCE, 7));
173 radeon_ring_write(rdev, 0x460);
174 radeon_ring_write(rdev, gpu_addr & 0xffffffff);
175 radeon_ring_write(rdev, 48 - 1);
176 radeon_ring_write(rdev, sq_vtx_constant_word2);
177 radeon_ring_write(rdev, 1 << 0);
178 radeon_ring_write(rdev, 0);
179 radeon_ring_write(rdev, 0);
180 radeon_ring_write(rdev, SQ_TEX_VTX_VALID_BUFFER << 30);
181
182 if ((rdev->family == CHIP_RV610) ||
183 (rdev->family == CHIP_RV620) ||
184 (rdev->family == CHIP_RS780) ||
185 (rdev->family == CHIP_RS880) ||
186 (rdev->family == CHIP_RV710))
187 cp_set_surface_sync(rdev,
188 PACKET3_TC_ACTION_ENA, 48, gpu_addr);
189 else
190 cp_set_surface_sync(rdev,
191 PACKET3_VC_ACTION_ENA, 48, gpu_addr);
192}
193
194/* emits 9 */
195static void
196set_tex_resource(struct radeon_device *rdev,
197 int format, int w, int h, int pitch,
198 u64 gpu_addr)
199{
200 uint32_t sq_tex_resource_word0, sq_tex_resource_word1, sq_tex_resource_word4;
201
202 if (h < 1)
203 h = 1;
204
205 sq_tex_resource_word0 = (1 << 0) | (1 << 3);
206 sq_tex_resource_word0 |= ((((pitch >> 3) - 1) << 8) |
207 ((w - 1) << 19));
208
209 sq_tex_resource_word1 = (format << 26);
210 sq_tex_resource_word1 |= ((h - 1) << 0);
211
212 sq_tex_resource_word4 = ((1 << 14) |
213 (0 << 16) |
214 (1 << 19) |
215 (2 << 22) |
216 (3 << 25));
217
218 radeon_ring_write(rdev, PACKET3(PACKET3_SET_RESOURCE, 7));
219 radeon_ring_write(rdev, 0);
220 radeon_ring_write(rdev, sq_tex_resource_word0);
221 radeon_ring_write(rdev, sq_tex_resource_word1);
222 radeon_ring_write(rdev, gpu_addr >> 8);
223 radeon_ring_write(rdev, gpu_addr >> 8);
224 radeon_ring_write(rdev, sq_tex_resource_word4);
225 radeon_ring_write(rdev, 0);
226 radeon_ring_write(rdev, SQ_TEX_VTX_VALID_TEXTURE << 30);
227}
228
229/* emits 12 */
230static void
231set_scissors(struct radeon_device *rdev, int x1, int y1,
232 int x2, int y2)
233{
234 radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 2));
235 radeon_ring_write(rdev, (PA_SC_SCREEN_SCISSOR_TL - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2);
236 radeon_ring_write(rdev, (x1 << 0) | (y1 << 16));
237 radeon_ring_write(rdev, (x2 << 0) | (y2 << 16));
238
239 radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 2));
240 radeon_ring_write(rdev, (PA_SC_GENERIC_SCISSOR_TL - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2);
241 radeon_ring_write(rdev, (x1 << 0) | (y1 << 16) | (1 << 31));
242 radeon_ring_write(rdev, (x2 << 0) | (y2 << 16));
243
244 radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 2));
245 radeon_ring_write(rdev, (PA_SC_WINDOW_SCISSOR_TL - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2);
246 radeon_ring_write(rdev, (x1 << 0) | (y1 << 16) | (1 << 31));
247 radeon_ring_write(rdev, (x2 << 0) | (y2 << 16));
248}
249
250/* emits 10 */
251static void
252draw_auto(struct radeon_device *rdev)
253{
254 radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONFIG_REG, 1));
255 radeon_ring_write(rdev, (VGT_PRIMITIVE_TYPE - PACKET3_SET_CONFIG_REG_OFFSET) >> 2);
256 radeon_ring_write(rdev, DI_PT_RECTLIST);
257
258 radeon_ring_write(rdev, PACKET3(PACKET3_INDEX_TYPE, 0));
259 radeon_ring_write(rdev,
260#ifdef __BIG_ENDIAN
261 (2 << 2) |
262#endif
263 DI_INDEX_SIZE_16_BIT);
264
265 radeon_ring_write(rdev, PACKET3(PACKET3_NUM_INSTANCES, 0));
266 radeon_ring_write(rdev, 1);
267
268 radeon_ring_write(rdev, PACKET3(PACKET3_DRAW_INDEX_AUTO, 1));
269 radeon_ring_write(rdev, 3);
270 radeon_ring_write(rdev, DI_SRC_SEL_AUTO_INDEX);
271
272}
273
274/* emits 14 */
275static void
276set_default_state(struct radeon_device *rdev)
277{
278 u32 sq_config, sq_gpr_resource_mgmt_1, sq_gpr_resource_mgmt_2;
279 u32 sq_thread_resource_mgmt, sq_stack_resource_mgmt_1, sq_stack_resource_mgmt_2;
280 int num_ps_gprs, num_vs_gprs, num_temp_gprs, num_gs_gprs, num_es_gprs;
281 int num_ps_threads, num_vs_threads, num_gs_threads, num_es_threads;
282 int num_ps_stack_entries, num_vs_stack_entries, num_gs_stack_entries, num_es_stack_entries;
283 u64 gpu_addr;
284 int dwords;
285
286 switch (rdev->family) {
287 case CHIP_R600:
288 num_ps_gprs = 192;
289 num_vs_gprs = 56;
290 num_temp_gprs = 4;
291 num_gs_gprs = 0;
292 num_es_gprs = 0;
293 num_ps_threads = 136;
294 num_vs_threads = 48;
295 num_gs_threads = 4;
296 num_es_threads = 4;
297 num_ps_stack_entries = 128;
298 num_vs_stack_entries = 128;
299 num_gs_stack_entries = 0;
300 num_es_stack_entries = 0;
301 break;
302 case CHIP_RV630:
303 case CHIP_RV635:
304 num_ps_gprs = 84;
305 num_vs_gprs = 36;
306 num_temp_gprs = 4;
307 num_gs_gprs = 0;
308 num_es_gprs = 0;
309 num_ps_threads = 144;
310 num_vs_threads = 40;
311 num_gs_threads = 4;
312 num_es_threads = 4;
313 num_ps_stack_entries = 40;
314 num_vs_stack_entries = 40;
315 num_gs_stack_entries = 32;
316 num_es_stack_entries = 16;
317 break;
318 case CHIP_RV610:
319 case CHIP_RV620:
320 case CHIP_RS780:
321 case CHIP_RS880:
322 default:
323 num_ps_gprs = 84;
324 num_vs_gprs = 36;
325 num_temp_gprs = 4;
326 num_gs_gprs = 0;
327 num_es_gprs = 0;
328 num_ps_threads = 136;
329 num_vs_threads = 48;
330 num_gs_threads = 4;
331 num_es_threads = 4;
332 num_ps_stack_entries = 40;
333 num_vs_stack_entries = 40;
334 num_gs_stack_entries = 32;
335 num_es_stack_entries = 16;
336 break;
337 case CHIP_RV670:
338 num_ps_gprs = 144;
339 num_vs_gprs = 40;
340 num_temp_gprs = 4;
341 num_gs_gprs = 0;
342 num_es_gprs = 0;
343 num_ps_threads = 136;
344 num_vs_threads = 48;
345 num_gs_threads = 4;
346 num_es_threads = 4;
347 num_ps_stack_entries = 40;
348 num_vs_stack_entries = 40;
349 num_gs_stack_entries = 32;
350 num_es_stack_entries = 16;
351 break;
352 case CHIP_RV770:
353 num_ps_gprs = 192;
354 num_vs_gprs = 56;
355 num_temp_gprs = 4;
356 num_gs_gprs = 0;
357 num_es_gprs = 0;
358 num_ps_threads = 188;
359 num_vs_threads = 60;
360 num_gs_threads = 0;
361 num_es_threads = 0;
362 num_ps_stack_entries = 256;
363 num_vs_stack_entries = 256;
364 num_gs_stack_entries = 0;
365 num_es_stack_entries = 0;
366 break;
367 case CHIP_RV730:
368 case CHIP_RV740:
369 num_ps_gprs = 84;
370 num_vs_gprs = 36;
371 num_temp_gprs = 4;
372 num_gs_gprs = 0;
373 num_es_gprs = 0;
374 num_ps_threads = 188;
375 num_vs_threads = 60;
376 num_gs_threads = 0;
377 num_es_threads = 0;
378 num_ps_stack_entries = 128;
379 num_vs_stack_entries = 128;
380 num_gs_stack_entries = 0;
381 num_es_stack_entries = 0;
382 break;
383 case CHIP_RV710:
384 num_ps_gprs = 192;
385 num_vs_gprs = 56;
386 num_temp_gprs = 4;
387 num_gs_gprs = 0;
388 num_es_gprs = 0;
389 num_ps_threads = 144;
390 num_vs_threads = 48;
391 num_gs_threads = 0;
392 num_es_threads = 0;
393 num_ps_stack_entries = 128;
394 num_vs_stack_entries = 128;
395 num_gs_stack_entries = 0;
396 num_es_stack_entries = 0;
397 break;
398 }
399
400 if ((rdev->family == CHIP_RV610) ||
401 (rdev->family == CHIP_RV620) ||
402 (rdev->family == CHIP_RS780) ||
403 (rdev->family == CHIP_RS880) ||
404 (rdev->family == CHIP_RV710))
405 sq_config = 0;
406 else
407 sq_config = VC_ENABLE;
408
409 sq_config |= (DX9_CONSTS |
410 ALU_INST_PREFER_VECTOR |
411 PS_PRIO(0) |
412 VS_PRIO(1) |
413 GS_PRIO(2) |
414 ES_PRIO(3));
415
416 sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(num_ps_gprs) |
417 NUM_VS_GPRS(num_vs_gprs) |
418 NUM_CLAUSE_TEMP_GPRS(num_temp_gprs));
419 sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(num_gs_gprs) |
420 NUM_ES_GPRS(num_es_gprs));
421 sq_thread_resource_mgmt = (NUM_PS_THREADS(num_ps_threads) |
422 NUM_VS_THREADS(num_vs_threads) |
423 NUM_GS_THREADS(num_gs_threads) |
424 NUM_ES_THREADS(num_es_threads));
425 sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(num_ps_stack_entries) |
426 NUM_VS_STACK_ENTRIES(num_vs_stack_entries));
427 sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(num_gs_stack_entries) |
428 NUM_ES_STACK_ENTRIES(num_es_stack_entries));
429
430 /* emit an IB pointing at default state */
431 dwords = ALIGN(rdev->r600_blit.state_len, 0x10);
432 gpu_addr = rdev->r600_blit.shader_gpu_addr + rdev->r600_blit.state_offset;
433 radeon_ring_write(rdev, PACKET3(PACKET3_INDIRECT_BUFFER, 2));
434 radeon_ring_write(rdev,
435#ifdef __BIG_ENDIAN
436 (2 << 0) |
437#endif
438 (gpu_addr & 0xFFFFFFFC));
439 radeon_ring_write(rdev, upper_32_bits(gpu_addr) & 0xFF);
440 radeon_ring_write(rdev, dwords);
441
442 /* SQ config */
443 radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONFIG_REG, 6));
444 radeon_ring_write(rdev, (SQ_CONFIG - PACKET3_SET_CONFIG_REG_OFFSET) >> 2);
445 radeon_ring_write(rdev, sq_config);
446 radeon_ring_write(rdev, sq_gpr_resource_mgmt_1);
447 radeon_ring_write(rdev, sq_gpr_resource_mgmt_2);
448 radeon_ring_write(rdev, sq_thread_resource_mgmt);
449 radeon_ring_write(rdev, sq_stack_resource_mgmt_1);
450 radeon_ring_write(rdev, sq_stack_resource_mgmt_2);
451}
452
453static inline uint32_t i2f(uint32_t input)
454{
455 u32 result, i, exponent, fraction;
456
457 if ((input & 0x3fff) == 0)
458 result = 0; /* 0 is a special case */
459 else {
460 exponent = 140; /* exponent biased by 127; */
461 fraction = (input & 0x3fff) << 10; /* cheat and only
462 handle numbers below 2^^15 */
463 for (i = 0; i < 14; i++) {
464 if (fraction & 0x800000)
465 break;
466 else {
467 fraction = fraction << 1; /* keep
468 shifting left until top bit = 1 */
469 exponent = exponent - 1;
470 }
471 }
472 result = exponent << 23 | (fraction & 0x7fffff); /* mask
473 off top bit; assumed 1 */
474 }
475 return result;
476}
477
478int r600_blit_init(struct radeon_device *rdev)
479{
480 u32 obj_size;
481 int i, r, dwords;
482 void *ptr;
483 u32 packet2s[16];
484 int num_packet2s = 0;
485
486 /* pin copy shader into vram if already initialized */
487 if (rdev->r600_blit.shader_obj)
488 goto done;
489
490 mutex_init(&rdev->r600_blit.mutex);
491 rdev->r600_blit.state_offset = 0;
492
493 if (rdev->family >= CHIP_RV770)
494 rdev->r600_blit.state_len = r7xx_default_size;
495 else
496 rdev->r600_blit.state_len = r6xx_default_size;
497
498 dwords = rdev->r600_blit.state_len;
499 while (dwords & 0xf) {
500 packet2s[num_packet2s++] = cpu_to_le32(PACKET2(0));
501 dwords++;
502 }
503
504 obj_size = dwords * 4;
505 obj_size = ALIGN(obj_size, 256);
506
507 rdev->r600_blit.vs_offset = obj_size;
508 obj_size += r6xx_vs_size * 4;
509 obj_size = ALIGN(obj_size, 256);
510
511 rdev->r600_blit.ps_offset = obj_size;
512 obj_size += r6xx_ps_size * 4;
513 obj_size = ALIGN(obj_size, 256);
514
515 r = radeon_bo_create(rdev, obj_size, PAGE_SIZE, true, RADEON_GEM_DOMAIN_VRAM,
516 &rdev->r600_blit.shader_obj);
517 if (r) {
518 DRM_ERROR("r600 failed to allocate shader\n");
519 return r;
520 }
521
522 DRM_DEBUG("r6xx blit allocated bo %08x vs %08x ps %08x\n",
523 obj_size,
524 rdev->r600_blit.vs_offset, rdev->r600_blit.ps_offset);
525
526 r = radeon_bo_reserve(rdev->r600_blit.shader_obj, false);
527 if (unlikely(r != 0))
528 return r;
529 r = radeon_bo_kmap(rdev->r600_blit.shader_obj, &ptr);
530 if (r) {
531 DRM_ERROR("failed to map blit object %d\n", r);
532 return r;
533 }
534 if (rdev->family >= CHIP_RV770)
535 memcpy_toio(ptr + rdev->r600_blit.state_offset,
536 r7xx_default_state, rdev->r600_blit.state_len * 4);
537 else
538 memcpy_toio(ptr + rdev->r600_blit.state_offset,
539 r6xx_default_state, rdev->r600_blit.state_len * 4);
540 if (num_packet2s)
541 memcpy_toio(ptr + rdev->r600_blit.state_offset + (rdev->r600_blit.state_len * 4),
542 packet2s, num_packet2s * 4);
543 for (i = 0; i < r6xx_vs_size; i++)
544 *(u32 *)((unsigned long)ptr + rdev->r600_blit.vs_offset + i * 4) = cpu_to_le32(r6xx_vs[i]);
545 for (i = 0; i < r6xx_ps_size; i++)
546 *(u32 *)((unsigned long)ptr + rdev->r600_blit.ps_offset + i * 4) = cpu_to_le32(r6xx_ps[i]);
547 radeon_bo_kunmap(rdev->r600_blit.shader_obj);
548 radeon_bo_unreserve(rdev->r600_blit.shader_obj);
549
550done:
551 r = radeon_bo_reserve(rdev->r600_blit.shader_obj, false);
552 if (unlikely(r != 0))
553 return r;
554 r = radeon_bo_pin(rdev->r600_blit.shader_obj, RADEON_GEM_DOMAIN_VRAM,
555 &rdev->r600_blit.shader_gpu_addr);
556 radeon_bo_unreserve(rdev->r600_blit.shader_obj);
557 if (r) {
558 dev_err(rdev->dev, "(%d) pin blit object failed\n", r);
559 return r;
560 }
561 radeon_ttm_set_active_vram_size(rdev, rdev->mc.real_vram_size);
562 return 0;
563}
564
565void r600_blit_fini(struct radeon_device *rdev)
566{
567 int r;
568
569 radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
570 if (rdev->r600_blit.shader_obj == NULL)
571 return;
572 /* If we can't reserve the bo, unref should be enough to destroy
573 * it when it becomes idle.
574 */
575 r = radeon_bo_reserve(rdev->r600_blit.shader_obj, false);
576 if (!r) {
577 radeon_bo_unpin(rdev->r600_blit.shader_obj);
578 radeon_bo_unreserve(rdev->r600_blit.shader_obj);
579 }
580 radeon_bo_unref(&rdev->r600_blit.shader_obj);
581}
582
583static int r600_vb_ib_get(struct radeon_device *rdev)
584{
585 int r;
586 r = radeon_ib_get(rdev, &rdev->r600_blit.vb_ib);
587 if (r) {
588 DRM_ERROR("failed to get IB for vertex buffer\n");
589 return r;
590 }
591
592 rdev->r600_blit.vb_total = 64*1024;
593 rdev->r600_blit.vb_used = 0;
594 return 0;
595}
596
597static void r600_vb_ib_put(struct radeon_device *rdev)
598{
599 radeon_fence_emit(rdev, rdev->r600_blit.vb_ib->fence);
600 radeon_ib_free(rdev, &rdev->r600_blit.vb_ib);
601}
602
603int r600_blit_prepare_copy(struct radeon_device *rdev, int size_bytes)
604{
605 int r;
606 int ring_size, line_size;
607 int max_size;
608 /* loops of emits 64 + fence emit possible */
609 int dwords_per_loop = 76, num_loops;
610
611 r = r600_vb_ib_get(rdev);
612 if (r)
613 return r;
614
615 /* set_render_target emits 2 extra dwords on rv6xx */
616 if (rdev->family > CHIP_R600 && rdev->family < CHIP_RV770)
617 dwords_per_loop += 2;
618
619 /* 8 bpp vs 32 bpp for xfer unit */
620 if (size_bytes & 3)
621 line_size = 8192;
622 else
623 line_size = 8192*4;
624
625 max_size = 8192 * line_size;
626
627 /* major loops cover the max size transfer */
628 num_loops = ((size_bytes + max_size) / max_size);
629 /* minor loops cover the extra non aligned bits */
630 num_loops += ((size_bytes % line_size) ? 1 : 0);
631 /* calculate number of loops correctly */
632 ring_size = num_loops * dwords_per_loop;
633 /* set default + shaders */
634 ring_size += 40; /* shaders + def state */
635 ring_size += 10; /* fence emit for VB IB */
636 ring_size += 5; /* done copy */
637 ring_size += 10; /* fence emit for done copy */
638 r = radeon_ring_lock(rdev, ring_size);
639 if (r)
640 return r;
641
642 set_default_state(rdev); /* 14 */
643 set_shaders(rdev); /* 26 */
644 return 0;
645}
646
647void r600_blit_done_copy(struct radeon_device *rdev, struct radeon_fence *fence)
648{
649 int r;
650
651 if (rdev->r600_blit.vb_ib)
652 r600_vb_ib_put(rdev);
653
654 if (fence)
655 r = radeon_fence_emit(rdev, fence);
656
657 radeon_ring_unlock_commit(rdev);
658}
659
660void r600_kms_blit_copy(struct radeon_device *rdev,
661 u64 src_gpu_addr, u64 dst_gpu_addr,
662 int size_bytes)
663{
664 int max_bytes;
665 u64 vb_gpu_addr;
666 u32 *vb;
667
668 DRM_DEBUG("emitting copy %16llx %16llx %d %d\n", src_gpu_addr, dst_gpu_addr,
669 size_bytes, rdev->r600_blit.vb_used);
670 vb = (u32 *)(rdev->r600_blit.vb_ib->ptr + rdev->r600_blit.vb_used);
671 if ((size_bytes & 3) || (src_gpu_addr & 3) || (dst_gpu_addr & 3)) {
672 max_bytes = 8192;
673
674 while (size_bytes) {
675 int cur_size = size_bytes;
676 int src_x = src_gpu_addr & 255;
677 int dst_x = dst_gpu_addr & 255;
678 int h = 1;
679 src_gpu_addr = src_gpu_addr & ~255ULL;
680 dst_gpu_addr = dst_gpu_addr & ~255ULL;
681
682 if (!src_x && !dst_x) {
683 h = (cur_size / max_bytes);
684 if (h > 8192)
685 h = 8192;
686 if (h == 0)
687 h = 1;
688 else
689 cur_size = max_bytes;
690 } else {
691 if (cur_size > max_bytes)
692 cur_size = max_bytes;
693 if (cur_size > (max_bytes - dst_x))
694 cur_size = (max_bytes - dst_x);
695 if (cur_size > (max_bytes - src_x))
696 cur_size = (max_bytes - src_x);
697 }
698
699 if ((rdev->r600_blit.vb_used + 48) > rdev->r600_blit.vb_total) {
700 WARN_ON(1);
701 }
702
703 vb[0] = i2f(dst_x);
704 vb[1] = 0;
705 vb[2] = i2f(src_x);
706 vb[3] = 0;
707
708 vb[4] = i2f(dst_x);
709 vb[5] = i2f(h);
710 vb[6] = i2f(src_x);
711 vb[7] = i2f(h);
712
713 vb[8] = i2f(dst_x + cur_size);
714 vb[9] = i2f(h);
715 vb[10] = i2f(src_x + cur_size);
716 vb[11] = i2f(h);
717
718 /* src 9 */
719 set_tex_resource(rdev, FMT_8,
720 src_x + cur_size, h, src_x + cur_size,
721 src_gpu_addr);
722
723 /* 5 */
724 cp_set_surface_sync(rdev,
725 PACKET3_TC_ACTION_ENA, (src_x + cur_size * h), src_gpu_addr);
726
727 /* dst 23 */
728 set_render_target(rdev, COLOR_8,
729 dst_x + cur_size, h,
730 dst_gpu_addr);
731
732 /* scissors 12 */
733 set_scissors(rdev, dst_x, 0, dst_x + cur_size, h);
734
735 /* 14 */
736 vb_gpu_addr = rdev->r600_blit.vb_ib->gpu_addr + rdev->r600_blit.vb_used;
737 set_vtx_resource(rdev, vb_gpu_addr);
738
739 /* draw 10 */
740 draw_auto(rdev);
741
742 /* 5 */
743 cp_set_surface_sync(rdev,
744 PACKET3_CB_ACTION_ENA | PACKET3_CB0_DEST_BASE_ENA,
745 cur_size * h, dst_gpu_addr);
746
747 vb += 12;
748 rdev->r600_blit.vb_used += 12 * 4;
749
750 src_gpu_addr += cur_size * h;
751 dst_gpu_addr += cur_size * h;
752 size_bytes -= cur_size * h;
753 }
754 } else {
755 max_bytes = 8192 * 4;
756
757 while (size_bytes) {
758 int cur_size = size_bytes;
759 int src_x = (src_gpu_addr & 255);
760 int dst_x = (dst_gpu_addr & 255);
761 int h = 1;
762 src_gpu_addr = src_gpu_addr & ~255ULL;
763 dst_gpu_addr = dst_gpu_addr & ~255ULL;
764
765 if (!src_x && !dst_x) {
766 h = (cur_size / max_bytes);
767 if (h > 8192)
768 h = 8192;
769 if (h == 0)
770 h = 1;
771 else
772 cur_size = max_bytes;
773 } else {
774 if (cur_size > max_bytes)
775 cur_size = max_bytes;
776 if (cur_size > (max_bytes - dst_x))
777 cur_size = (max_bytes - dst_x);
778 if (cur_size > (max_bytes - src_x))
779 cur_size = (max_bytes - src_x);
780 }
781
782 if ((rdev->r600_blit.vb_used + 48) > rdev->r600_blit.vb_total) {
783 WARN_ON(1);
784 }
785
786 vb[0] = i2f(dst_x / 4);
787 vb[1] = 0;
788 vb[2] = i2f(src_x / 4);
789 vb[3] = 0;
790
791 vb[4] = i2f(dst_x / 4);
792 vb[5] = i2f(h);
793 vb[6] = i2f(src_x / 4);
794 vb[7] = i2f(h);
795
796 vb[8] = i2f((dst_x + cur_size) / 4);
797 vb[9] = i2f(h);
798 vb[10] = i2f((src_x + cur_size) / 4);
799 vb[11] = i2f(h);
800
801 /* src 9 */
802 set_tex_resource(rdev, FMT_8_8_8_8,
803 (src_x + cur_size) / 4,
804 h, (src_x + cur_size) / 4,
805 src_gpu_addr);
806 /* 5 */
807 cp_set_surface_sync(rdev,
808 PACKET3_TC_ACTION_ENA, (src_x + cur_size * h), src_gpu_addr);
809
810 /* dst 23 */
811 set_render_target(rdev, COLOR_8_8_8_8,
812 (dst_x + cur_size) / 4, h,
813 dst_gpu_addr);
814
815 /* scissors 12 */
816 set_scissors(rdev, (dst_x / 4), 0, (dst_x + cur_size / 4), h);
817
818 /* Vertex buffer setup 14 */
819 vb_gpu_addr = rdev->r600_blit.vb_ib->gpu_addr + rdev->r600_blit.vb_used;
820 set_vtx_resource(rdev, vb_gpu_addr);
821
822 /* draw 10 */
823 draw_auto(rdev);
824
825 /* 5 */
826 cp_set_surface_sync(rdev,
827 PACKET3_CB_ACTION_ENA | PACKET3_CB0_DEST_BASE_ENA,
828 cur_size * h, dst_gpu_addr);
829
830 /* 78 ring dwords per loop */
831 vb += 12;
832 rdev->r600_blit.vb_used += 12 * 4;
833
834 src_gpu_addr += cur_size * h;
835 dst_gpu_addr += cur_size * h;
836 size_bytes -= cur_size * h;
837 }
838 }
839}
840