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
set_render_target(struct radeon_device * rdev,int format,int w,int h,u64 gpu_addr)49 set_render_target(struct radeon_device *rdev, int format,
50 		  int w, int h, u64 gpu_addr)
51 {
52 	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
53 	u32 cb_color_info;
54 	int pitch, slice;
55 
56 	h = ALIGN(h, 8);
57 	if (h < 8)
58 		h = 8;
59 
60 	cb_color_info = CB_FORMAT(format) |
61 		CB_SOURCE_FORMAT(CB_SF_EXPORT_NORM) |
62 		CB_ARRAY_MODE(ARRAY_1D_TILED_THIN1);
63 	pitch = (w / 8) - 1;
64 	slice = ((w * h) / 64) - 1;
65 
66 	radeon_ring_write(ring, PACKET3(PACKET3_SET_CONTEXT_REG, 15));
67 	radeon_ring_write(ring, (CB_COLOR0_BASE - PACKET3_SET_CONTEXT_REG_START) >> 2);
68 	radeon_ring_write(ring, gpu_addr >> 8);
69 	radeon_ring_write(ring, pitch);
70 	radeon_ring_write(ring, slice);
71 	radeon_ring_write(ring, 0);
72 	radeon_ring_write(ring, cb_color_info);
73 	radeon_ring_write(ring, 0);
74 	radeon_ring_write(ring, (w - 1) | ((h - 1) << 16));
75 	radeon_ring_write(ring, 0);
76 	radeon_ring_write(ring, 0);
77 	radeon_ring_write(ring, 0);
78 	radeon_ring_write(ring, 0);
79 	radeon_ring_write(ring, 0);
80 	radeon_ring_write(ring, 0);
81 	radeon_ring_write(ring, 0);
82 	radeon_ring_write(ring, 0);
83 }
84 
85 /* emits 5dw */
86 static void
cp_set_surface_sync(struct radeon_device * rdev,u32 sync_type,u32 size,u64 mc_addr)87 cp_set_surface_sync(struct radeon_device *rdev,
88 		    u32 sync_type, u32 size,
89 		    u64 mc_addr)
90 {
91 	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
92 	u32 cp_coher_size;
93 
94 	if (size == 0xffffffff)
95 		cp_coher_size = 0xffffffff;
96 	else
97 		cp_coher_size = ((size + 255) >> 8);
98 
99 	if (rdev->family >= CHIP_CAYMAN) {
100 		/* CP_COHER_CNTL2 has to be set manually when submitting a surface_sync
101 		 * to the RB directly. For IBs, the CP programs this as part of the
102 		 * surface_sync packet.
103 		 */
104 		radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
105 		radeon_ring_write(ring, (0x85e8 - PACKET3_SET_CONFIG_REG_START) >> 2);
106 		radeon_ring_write(ring, 0); /* CP_COHER_CNTL2 */
107 	}
108 	radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3));
109 	radeon_ring_write(ring, sync_type);
110 	radeon_ring_write(ring, cp_coher_size);
111 	radeon_ring_write(ring, mc_addr >> 8);
112 	radeon_ring_write(ring, 10); /* poll interval */
113 }
114 
115 /* emits 11dw + 1 surface sync = 16dw */
116 static void
set_shaders(struct radeon_device * rdev)117 set_shaders(struct radeon_device *rdev)
118 {
119 	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
120 	u64 gpu_addr;
121 
122 	/* VS */
123 	gpu_addr = rdev->r600_blit.shader_gpu_addr + rdev->r600_blit.vs_offset;
124 	radeon_ring_write(ring, PACKET3(PACKET3_SET_CONTEXT_REG, 3));
125 	radeon_ring_write(ring, (SQ_PGM_START_VS - PACKET3_SET_CONTEXT_REG_START) >> 2);
126 	radeon_ring_write(ring, gpu_addr >> 8);
127 	radeon_ring_write(ring, 2);
128 	radeon_ring_write(ring, 0);
129 
130 	/* PS */
131 	gpu_addr = rdev->r600_blit.shader_gpu_addr + rdev->r600_blit.ps_offset;
132 	radeon_ring_write(ring, PACKET3(PACKET3_SET_CONTEXT_REG, 4));
133 	radeon_ring_write(ring, (SQ_PGM_START_PS - PACKET3_SET_CONTEXT_REG_START) >> 2);
134 	radeon_ring_write(ring, gpu_addr >> 8);
135 	radeon_ring_write(ring, 1);
136 	radeon_ring_write(ring, 0);
137 	radeon_ring_write(ring, 2);
138 
139 	gpu_addr = rdev->r600_blit.shader_gpu_addr + rdev->r600_blit.vs_offset;
140 	cp_set_surface_sync(rdev, PACKET3_SH_ACTION_ENA, 512, gpu_addr);
141 }
142 
143 /* emits 10 + 1 sync (5) = 15 */
144 static void
set_vtx_resource(struct radeon_device * rdev,u64 gpu_addr)145 set_vtx_resource(struct radeon_device *rdev, u64 gpu_addr)
146 {
147 	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
148 	u32 sq_vtx_constant_word2, sq_vtx_constant_word3;
149 
150 	/* high addr, stride */
151 	sq_vtx_constant_word2 = SQ_VTXC_BASE_ADDR_HI(upper_32_bits(gpu_addr) & 0xff) |
152 		SQ_VTXC_STRIDE(16);
153 #ifdef __BIG_ENDIAN
154 	sq_vtx_constant_word2 |= SQ_VTXC_ENDIAN_SWAP(SQ_ENDIAN_8IN32);
155 #endif
156 	/* xyzw swizzles */
157 	sq_vtx_constant_word3 = SQ_VTCX_SEL_X(SQ_SEL_X) |
158 		SQ_VTCX_SEL_Y(SQ_SEL_Y) |
159 		SQ_VTCX_SEL_Z(SQ_SEL_Z) |
160 		SQ_VTCX_SEL_W(SQ_SEL_W);
161 
162 	radeon_ring_write(ring, PACKET3(PACKET3_SET_RESOURCE, 8));
163 	radeon_ring_write(ring, 0x580);
164 	radeon_ring_write(ring, gpu_addr & 0xffffffff);
165 	radeon_ring_write(ring, 48 - 1); /* size */
166 	radeon_ring_write(ring, sq_vtx_constant_word2);
167 	radeon_ring_write(ring, sq_vtx_constant_word3);
168 	radeon_ring_write(ring, 0);
169 	radeon_ring_write(ring, 0);
170 	radeon_ring_write(ring, 0);
171 	radeon_ring_write(ring, S__SQ_CONSTANT_TYPE(SQ_TEX_VTX_VALID_BUFFER));
172 
173 	if ((rdev->family == CHIP_CEDAR) ||
174 	    (rdev->family == CHIP_PALM) ||
175 	    (rdev->family == CHIP_SUMO) ||
176 	    (rdev->family == CHIP_SUMO2) ||
177 	    (rdev->family == CHIP_CAICOS))
178 		cp_set_surface_sync(rdev,
179 				    PACKET3_TC_ACTION_ENA, 48, gpu_addr);
180 	else
181 		cp_set_surface_sync(rdev,
182 				    PACKET3_VC_ACTION_ENA, 48, gpu_addr);
183 
184 }
185 
186 /* emits 10 */
187 static void
set_tex_resource(struct radeon_device * rdev,int format,int w,int h,int pitch,u64 gpu_addr,u32 size)188 set_tex_resource(struct radeon_device *rdev,
189 		 int format, int w, int h, int pitch,
190 		 u64 gpu_addr, u32 size)
191 {
192 	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
193 	u32 sq_tex_resource_word0, sq_tex_resource_word1;
194 	u32 sq_tex_resource_word4, sq_tex_resource_word7;
195 
196 	if (h < 1)
197 		h = 1;
198 
199 	sq_tex_resource_word0 = TEX_DIM(SQ_TEX_DIM_2D);
200 	sq_tex_resource_word0 |= ((((pitch >> 3) - 1) << 6) |
201 				  ((w - 1) << 18));
202 	sq_tex_resource_word1 = ((h - 1) << 0) |
203 				TEX_ARRAY_MODE(ARRAY_1D_TILED_THIN1);
204 	/* xyzw swizzles */
205 	sq_tex_resource_word4 = TEX_DST_SEL_X(SQ_SEL_X) |
206 				TEX_DST_SEL_Y(SQ_SEL_Y) |
207 				TEX_DST_SEL_Z(SQ_SEL_Z) |
208 				TEX_DST_SEL_W(SQ_SEL_W);
209 
210 	sq_tex_resource_word7 = format |
211 		S__SQ_CONSTANT_TYPE(SQ_TEX_VTX_VALID_TEXTURE);
212 
213 	cp_set_surface_sync(rdev,
214 			    PACKET3_TC_ACTION_ENA, size, gpu_addr);
215 
216 	radeon_ring_write(ring, PACKET3(PACKET3_SET_RESOURCE, 8));
217 	radeon_ring_write(ring, 0);
218 	radeon_ring_write(ring, sq_tex_resource_word0);
219 	radeon_ring_write(ring, sq_tex_resource_word1);
220 	radeon_ring_write(ring, gpu_addr >> 8);
221 	radeon_ring_write(ring, gpu_addr >> 8);
222 	radeon_ring_write(ring, sq_tex_resource_word4);
223 	radeon_ring_write(ring, 0);
224 	radeon_ring_write(ring, 0);
225 	radeon_ring_write(ring, sq_tex_resource_word7);
226 }
227 
228 /* emits 12 */
229 static void
set_scissors(struct radeon_device * rdev,int x1,int y1,int x2,int y2)230 set_scissors(struct radeon_device *rdev, int x1, int y1,
231 	     int x2, int y2)
232 {
233 	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
234 	/* workaround some hw bugs */
235 	if (x2 == 0)
236 		x1 = 1;
237 	if (y2 == 0)
238 		y1 = 1;
239 	if (rdev->family == CHIP_CAYMAN) {
240 		if ((x2 == 1) && (y2 == 1))
241 			x2 = 2;
242 	}
243 
244 	radeon_ring_write(ring, PACKET3(PACKET3_SET_CONTEXT_REG, 2));
245 	radeon_ring_write(ring, (PA_SC_SCREEN_SCISSOR_TL - PACKET3_SET_CONTEXT_REG_START) >> 2);
246 	radeon_ring_write(ring, (x1 << 0) | (y1 << 16));
247 	radeon_ring_write(ring, (x2 << 0) | (y2 << 16));
248 
249 	radeon_ring_write(ring, PACKET3(PACKET3_SET_CONTEXT_REG, 2));
250 	radeon_ring_write(ring, (PA_SC_GENERIC_SCISSOR_TL - PACKET3_SET_CONTEXT_REG_START) >> 2);
251 	radeon_ring_write(ring, (x1 << 0) | (y1 << 16) | (1 << 31));
252 	radeon_ring_write(ring, (x2 << 0) | (y2 << 16));
253 
254 	radeon_ring_write(ring, PACKET3(PACKET3_SET_CONTEXT_REG, 2));
255 	radeon_ring_write(ring, (PA_SC_WINDOW_SCISSOR_TL - PACKET3_SET_CONTEXT_REG_START) >> 2);
256 	radeon_ring_write(ring, (x1 << 0) | (y1 << 16) | (1 << 31));
257 	radeon_ring_write(ring, (x2 << 0) | (y2 << 16));
258 }
259 
260 /* emits 10 */
261 static void
draw_auto(struct radeon_device * rdev)262 draw_auto(struct radeon_device *rdev)
263 {
264 	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
265 	radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
266 	radeon_ring_write(ring, (VGT_PRIMITIVE_TYPE - PACKET3_SET_CONFIG_REG_START) >> 2);
267 	radeon_ring_write(ring, DI_PT_RECTLIST);
268 
269 	radeon_ring_write(ring, PACKET3(PACKET3_INDEX_TYPE, 0));
270 	radeon_ring_write(ring,
271 #ifdef __BIG_ENDIAN
272 			  (2 << 2) |
273 #endif
274 			  DI_INDEX_SIZE_16_BIT);
275 
276 	radeon_ring_write(ring, PACKET3(PACKET3_NUM_INSTANCES, 0));
277 	radeon_ring_write(ring, 1);
278 
279 	radeon_ring_write(ring, PACKET3(PACKET3_DRAW_INDEX_AUTO, 1));
280 	radeon_ring_write(ring, 3);
281 	radeon_ring_write(ring, DI_SRC_SEL_AUTO_INDEX);
282 
283 }
284 
285 /* emits 39 */
286 static void
set_default_state(struct radeon_device * rdev)287 set_default_state(struct radeon_device *rdev)
288 {
289 	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
290 	u32 sq_config, sq_gpr_resource_mgmt_1, sq_gpr_resource_mgmt_2, sq_gpr_resource_mgmt_3;
291 	u32 sq_thread_resource_mgmt, sq_thread_resource_mgmt_2;
292 	u32 sq_stack_resource_mgmt_1, sq_stack_resource_mgmt_2, sq_stack_resource_mgmt_3;
293 	int num_ps_gprs, num_vs_gprs, num_temp_gprs;
294 	int num_gs_gprs, num_es_gprs, num_hs_gprs, num_ls_gprs;
295 	int num_ps_threads, num_vs_threads, num_gs_threads, num_es_threads;
296 	int num_hs_threads, num_ls_threads;
297 	int num_ps_stack_entries, num_vs_stack_entries, num_gs_stack_entries, num_es_stack_entries;
298 	int num_hs_stack_entries, num_ls_stack_entries;
299 	u64 gpu_addr;
300 	int dwords;
301 
302 	/* set clear context state */
303 	radeon_ring_write(ring, PACKET3(PACKET3_CLEAR_STATE, 0));
304 	radeon_ring_write(ring, 0);
305 
306 	if (rdev->family < CHIP_CAYMAN) {
307 		switch (rdev->family) {
308 		case CHIP_CEDAR:
309 		default:
310 			num_ps_gprs = 93;
311 			num_vs_gprs = 46;
312 			num_temp_gprs = 4;
313 			num_gs_gprs = 31;
314 			num_es_gprs = 31;
315 			num_hs_gprs = 23;
316 			num_ls_gprs = 23;
317 			num_ps_threads = 96;
318 			num_vs_threads = 16;
319 			num_gs_threads = 16;
320 			num_es_threads = 16;
321 			num_hs_threads = 16;
322 			num_ls_threads = 16;
323 			num_ps_stack_entries = 42;
324 			num_vs_stack_entries = 42;
325 			num_gs_stack_entries = 42;
326 			num_es_stack_entries = 42;
327 			num_hs_stack_entries = 42;
328 			num_ls_stack_entries = 42;
329 			break;
330 		case CHIP_REDWOOD:
331 			num_ps_gprs = 93;
332 			num_vs_gprs = 46;
333 			num_temp_gprs = 4;
334 			num_gs_gprs = 31;
335 			num_es_gprs = 31;
336 			num_hs_gprs = 23;
337 			num_ls_gprs = 23;
338 			num_ps_threads = 128;
339 			num_vs_threads = 20;
340 			num_gs_threads = 20;
341 			num_es_threads = 20;
342 			num_hs_threads = 20;
343 			num_ls_threads = 20;
344 			num_ps_stack_entries = 42;
345 			num_vs_stack_entries = 42;
346 			num_gs_stack_entries = 42;
347 			num_es_stack_entries = 42;
348 			num_hs_stack_entries = 42;
349 			num_ls_stack_entries = 42;
350 			break;
351 		case CHIP_JUNIPER:
352 			num_ps_gprs = 93;
353 			num_vs_gprs = 46;
354 			num_temp_gprs = 4;
355 			num_gs_gprs = 31;
356 			num_es_gprs = 31;
357 			num_hs_gprs = 23;
358 			num_ls_gprs = 23;
359 			num_ps_threads = 128;
360 			num_vs_threads = 20;
361 			num_gs_threads = 20;
362 			num_es_threads = 20;
363 			num_hs_threads = 20;
364 			num_ls_threads = 20;
365 			num_ps_stack_entries = 85;
366 			num_vs_stack_entries = 85;
367 			num_gs_stack_entries = 85;
368 			num_es_stack_entries = 85;
369 			num_hs_stack_entries = 85;
370 			num_ls_stack_entries = 85;
371 			break;
372 		case CHIP_CYPRESS:
373 		case CHIP_HEMLOCK:
374 			num_ps_gprs = 93;
375 			num_vs_gprs = 46;
376 			num_temp_gprs = 4;
377 			num_gs_gprs = 31;
378 			num_es_gprs = 31;
379 			num_hs_gprs = 23;
380 			num_ls_gprs = 23;
381 			num_ps_threads = 128;
382 			num_vs_threads = 20;
383 			num_gs_threads = 20;
384 			num_es_threads = 20;
385 			num_hs_threads = 20;
386 			num_ls_threads = 20;
387 			num_ps_stack_entries = 85;
388 			num_vs_stack_entries = 85;
389 			num_gs_stack_entries = 85;
390 			num_es_stack_entries = 85;
391 			num_hs_stack_entries = 85;
392 			num_ls_stack_entries = 85;
393 			break;
394 		case CHIP_PALM:
395 			num_ps_gprs = 93;
396 			num_vs_gprs = 46;
397 			num_temp_gprs = 4;
398 			num_gs_gprs = 31;
399 			num_es_gprs = 31;
400 			num_hs_gprs = 23;
401 			num_ls_gprs = 23;
402 			num_ps_threads = 96;
403 			num_vs_threads = 16;
404 			num_gs_threads = 16;
405 			num_es_threads = 16;
406 			num_hs_threads = 16;
407 			num_ls_threads = 16;
408 			num_ps_stack_entries = 42;
409 			num_vs_stack_entries = 42;
410 			num_gs_stack_entries = 42;
411 			num_es_stack_entries = 42;
412 			num_hs_stack_entries = 42;
413 			num_ls_stack_entries = 42;
414 			break;
415 		case CHIP_SUMO:
416 			num_ps_gprs = 93;
417 			num_vs_gprs = 46;
418 			num_temp_gprs = 4;
419 			num_gs_gprs = 31;
420 			num_es_gprs = 31;
421 			num_hs_gprs = 23;
422 			num_ls_gprs = 23;
423 			num_ps_threads = 96;
424 			num_vs_threads = 25;
425 			num_gs_threads = 25;
426 			num_es_threads = 25;
427 			num_hs_threads = 25;
428 			num_ls_threads = 25;
429 			num_ps_stack_entries = 42;
430 			num_vs_stack_entries = 42;
431 			num_gs_stack_entries = 42;
432 			num_es_stack_entries = 42;
433 			num_hs_stack_entries = 42;
434 			num_ls_stack_entries = 42;
435 			break;
436 		case CHIP_SUMO2:
437 			num_ps_gprs = 93;
438 			num_vs_gprs = 46;
439 			num_temp_gprs = 4;
440 			num_gs_gprs = 31;
441 			num_es_gprs = 31;
442 			num_hs_gprs = 23;
443 			num_ls_gprs = 23;
444 			num_ps_threads = 96;
445 			num_vs_threads = 25;
446 			num_gs_threads = 25;
447 			num_es_threads = 25;
448 			num_hs_threads = 25;
449 			num_ls_threads = 25;
450 			num_ps_stack_entries = 85;
451 			num_vs_stack_entries = 85;
452 			num_gs_stack_entries = 85;
453 			num_es_stack_entries = 85;
454 			num_hs_stack_entries = 85;
455 			num_ls_stack_entries = 85;
456 			break;
457 		case CHIP_BARTS:
458 			num_ps_gprs = 93;
459 			num_vs_gprs = 46;
460 			num_temp_gprs = 4;
461 			num_gs_gprs = 31;
462 			num_es_gprs = 31;
463 			num_hs_gprs = 23;
464 			num_ls_gprs = 23;
465 			num_ps_threads = 128;
466 			num_vs_threads = 20;
467 			num_gs_threads = 20;
468 			num_es_threads = 20;
469 			num_hs_threads = 20;
470 			num_ls_threads = 20;
471 			num_ps_stack_entries = 85;
472 			num_vs_stack_entries = 85;
473 			num_gs_stack_entries = 85;
474 			num_es_stack_entries = 85;
475 			num_hs_stack_entries = 85;
476 			num_ls_stack_entries = 85;
477 			break;
478 		case CHIP_TURKS:
479 			num_ps_gprs = 93;
480 			num_vs_gprs = 46;
481 			num_temp_gprs = 4;
482 			num_gs_gprs = 31;
483 			num_es_gprs = 31;
484 			num_hs_gprs = 23;
485 			num_ls_gprs = 23;
486 			num_ps_threads = 128;
487 			num_vs_threads = 20;
488 			num_gs_threads = 20;
489 			num_es_threads = 20;
490 			num_hs_threads = 20;
491 			num_ls_threads = 20;
492 			num_ps_stack_entries = 42;
493 			num_vs_stack_entries = 42;
494 			num_gs_stack_entries = 42;
495 			num_es_stack_entries = 42;
496 			num_hs_stack_entries = 42;
497 			num_ls_stack_entries = 42;
498 			break;
499 		case CHIP_CAICOS:
500 			num_ps_gprs = 93;
501 			num_vs_gprs = 46;
502 			num_temp_gprs = 4;
503 			num_gs_gprs = 31;
504 			num_es_gprs = 31;
505 			num_hs_gprs = 23;
506 			num_ls_gprs = 23;
507 			num_ps_threads = 128;
508 			num_vs_threads = 10;
509 			num_gs_threads = 10;
510 			num_es_threads = 10;
511 			num_hs_threads = 10;
512 			num_ls_threads = 10;
513 			num_ps_stack_entries = 42;
514 			num_vs_stack_entries = 42;
515 			num_gs_stack_entries = 42;
516 			num_es_stack_entries = 42;
517 			num_hs_stack_entries = 42;
518 			num_ls_stack_entries = 42;
519 			break;
520 		}
521 
522 		if ((rdev->family == CHIP_CEDAR) ||
523 		    (rdev->family == CHIP_PALM) ||
524 		    (rdev->family == CHIP_SUMO) ||
525 		    (rdev->family == CHIP_SUMO2) ||
526 		    (rdev->family == CHIP_CAICOS))
527 			sq_config = 0;
528 		else
529 			sq_config = VC_ENABLE;
530 
531 		sq_config |= (EXPORT_SRC_C |
532 			      CS_PRIO(0) |
533 			      LS_PRIO(0) |
534 			      HS_PRIO(0) |
535 			      PS_PRIO(0) |
536 			      VS_PRIO(1) |
537 			      GS_PRIO(2) |
538 			      ES_PRIO(3));
539 
540 		sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(num_ps_gprs) |
541 					  NUM_VS_GPRS(num_vs_gprs) |
542 					  NUM_CLAUSE_TEMP_GPRS(num_temp_gprs));
543 		sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(num_gs_gprs) |
544 					  NUM_ES_GPRS(num_es_gprs));
545 		sq_gpr_resource_mgmt_3 = (NUM_HS_GPRS(num_hs_gprs) |
546 					  NUM_LS_GPRS(num_ls_gprs));
547 		sq_thread_resource_mgmt = (NUM_PS_THREADS(num_ps_threads) |
548 					   NUM_VS_THREADS(num_vs_threads) |
549 					   NUM_GS_THREADS(num_gs_threads) |
550 					   NUM_ES_THREADS(num_es_threads));
551 		sq_thread_resource_mgmt_2 = (NUM_HS_THREADS(num_hs_threads) |
552 					     NUM_LS_THREADS(num_ls_threads));
553 		sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(num_ps_stack_entries) |
554 					    NUM_VS_STACK_ENTRIES(num_vs_stack_entries));
555 		sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(num_gs_stack_entries) |
556 					    NUM_ES_STACK_ENTRIES(num_es_stack_entries));
557 		sq_stack_resource_mgmt_3 = (NUM_HS_STACK_ENTRIES(num_hs_stack_entries) |
558 					    NUM_LS_STACK_ENTRIES(num_ls_stack_entries));
559 
560 		/* disable dyn gprs */
561 		radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
562 		radeon_ring_write(ring, (SQ_DYN_GPR_CNTL_PS_FLUSH_REQ - PACKET3_SET_CONFIG_REG_START) >> 2);
563 		radeon_ring_write(ring, 0);
564 
565 		/* setup LDS */
566 		radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
567 		radeon_ring_write(ring, (SQ_LDS_RESOURCE_MGMT - PACKET3_SET_CONFIG_REG_START) >> 2);
568 		radeon_ring_write(ring, 0x10001000);
569 
570 		/* SQ config */
571 		radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 11));
572 		radeon_ring_write(ring, (SQ_CONFIG - PACKET3_SET_CONFIG_REG_START) >> 2);
573 		radeon_ring_write(ring, sq_config);
574 		radeon_ring_write(ring, sq_gpr_resource_mgmt_1);
575 		radeon_ring_write(ring, sq_gpr_resource_mgmt_2);
576 		radeon_ring_write(ring, sq_gpr_resource_mgmt_3);
577 		radeon_ring_write(ring, 0);
578 		radeon_ring_write(ring, 0);
579 		radeon_ring_write(ring, sq_thread_resource_mgmt);
580 		radeon_ring_write(ring, sq_thread_resource_mgmt_2);
581 		radeon_ring_write(ring, sq_stack_resource_mgmt_1);
582 		radeon_ring_write(ring, sq_stack_resource_mgmt_2);
583 		radeon_ring_write(ring, sq_stack_resource_mgmt_3);
584 	}
585 
586 	/* CONTEXT_CONTROL */
587 	radeon_ring_write(ring, 0xc0012800);
588 	radeon_ring_write(ring, 0x80000000);
589 	radeon_ring_write(ring, 0x80000000);
590 
591 	/* SQ_VTX_BASE_VTX_LOC */
592 	radeon_ring_write(ring, 0xc0026f00);
593 	radeon_ring_write(ring, 0x00000000);
594 	radeon_ring_write(ring, 0x00000000);
595 	radeon_ring_write(ring, 0x00000000);
596 
597 	/* SET_SAMPLER */
598 	radeon_ring_write(ring, 0xc0036e00);
599 	radeon_ring_write(ring, 0x00000000);
600 	radeon_ring_write(ring, 0x00000012);
601 	radeon_ring_write(ring, 0x00000000);
602 	radeon_ring_write(ring, 0x00000000);
603 
604 	/* set to DX10/11 mode */
605 	radeon_ring_write(ring, PACKET3(PACKET3_MODE_CONTROL, 0));
606 	radeon_ring_write(ring, 1);
607 
608 	/* emit an IB pointing at default state */
609 	dwords = ALIGN(rdev->r600_blit.state_len, 0x10);
610 	gpu_addr = rdev->r600_blit.shader_gpu_addr + rdev->r600_blit.state_offset;
611 	radeon_ring_write(ring, PACKET3(PACKET3_INDIRECT_BUFFER, 2));
612 	radeon_ring_write(ring, gpu_addr & 0xFFFFFFFC);
613 	radeon_ring_write(ring, upper_32_bits(gpu_addr) & 0xFF);
614 	radeon_ring_write(ring, dwords);
615 
616 }
617 
evergreen_blit_init(struct radeon_device * rdev)618 int evergreen_blit_init(struct radeon_device *rdev)
619 {
620 	u32 obj_size;
621 	int i, r, dwords;
622 	void *ptr;
623 	u32 packet2s[16];
624 	int num_packet2s = 0;
625 
626 	rdev->r600_blit.primitives.set_render_target = set_render_target;
627 	rdev->r600_blit.primitives.cp_set_surface_sync = cp_set_surface_sync;
628 	rdev->r600_blit.primitives.set_shaders = set_shaders;
629 	rdev->r600_blit.primitives.set_vtx_resource = set_vtx_resource;
630 	rdev->r600_blit.primitives.set_tex_resource = set_tex_resource;
631 	rdev->r600_blit.primitives.set_scissors = set_scissors;
632 	rdev->r600_blit.primitives.draw_auto = draw_auto;
633 	rdev->r600_blit.primitives.set_default_state = set_default_state;
634 
635 	rdev->r600_blit.ring_size_common = 55; /* shaders + def state */
636 	rdev->r600_blit.ring_size_common += 16; /* fence emit for VB IB */
637 	rdev->r600_blit.ring_size_common += 5; /* done copy */
638 	rdev->r600_blit.ring_size_common += 16; /* fence emit for done copy */
639 
640 	rdev->r600_blit.ring_size_per_loop = 74;
641 	if (rdev->family >= CHIP_CAYMAN)
642 		rdev->r600_blit.ring_size_per_loop += 9; /* additional DWs for surface sync */
643 
644 	rdev->r600_blit.max_dim = 16384;
645 
646 	/* pin copy shader into vram if already initialized */
647 	if (rdev->r600_blit.shader_obj)
648 		goto done;
649 
650 	mutex_init(&rdev->r600_blit.mutex);
651 	rdev->r600_blit.state_offset = 0;
652 
653 	if (rdev->family < CHIP_CAYMAN)
654 		rdev->r600_blit.state_len = evergreen_default_size;
655 	else
656 		rdev->r600_blit.state_len = cayman_default_size;
657 
658 	dwords = rdev->r600_blit.state_len;
659 	while (dwords & 0xf) {
660 		packet2s[num_packet2s++] = cpu_to_le32(PACKET2(0));
661 		dwords++;
662 	}
663 
664 	obj_size = dwords * 4;
665 	obj_size = ALIGN(obj_size, 256);
666 
667 	rdev->r600_blit.vs_offset = obj_size;
668 	if (rdev->family < CHIP_CAYMAN)
669 		obj_size += evergreen_vs_size * 4;
670 	else
671 		obj_size += cayman_vs_size * 4;
672 	obj_size = ALIGN(obj_size, 256);
673 
674 	rdev->r600_blit.ps_offset = obj_size;
675 	if (rdev->family < CHIP_CAYMAN)
676 		obj_size += evergreen_ps_size * 4;
677 	else
678 		obj_size += cayman_ps_size * 4;
679 	obj_size = ALIGN(obj_size, 256);
680 
681 	r = radeon_bo_create(rdev, obj_size, PAGE_SIZE, true, RADEON_GEM_DOMAIN_VRAM,
682 				&rdev->r600_blit.shader_obj);
683 	if (r) {
684 		DRM_ERROR("evergreen failed to allocate shader\n");
685 		return r;
686 	}
687 
688 	DRM_DEBUG("evergreen blit allocated bo %08x vs %08x ps %08x\n",
689 		  obj_size,
690 		  rdev->r600_blit.vs_offset, rdev->r600_blit.ps_offset);
691 
692 	r = radeon_bo_reserve(rdev->r600_blit.shader_obj, false);
693 	if (unlikely(r != 0))
694 		return r;
695 	r = radeon_bo_kmap(rdev->r600_blit.shader_obj, &ptr);
696 	if (r) {
697 		DRM_ERROR("failed to map blit object %d\n", r);
698 		return r;
699 	}
700 
701 	if (rdev->family < CHIP_CAYMAN) {
702 		memcpy_toio(ptr + rdev->r600_blit.state_offset,
703 			    evergreen_default_state, rdev->r600_blit.state_len * 4);
704 
705 		if (num_packet2s)
706 			memcpy_toio(ptr + rdev->r600_blit.state_offset + (rdev->r600_blit.state_len * 4),
707 				    packet2s, num_packet2s * 4);
708 		for (i = 0; i < evergreen_vs_size; i++)
709 			*(u32 *)((unsigned long)ptr + rdev->r600_blit.vs_offset + i * 4) = cpu_to_le32(evergreen_vs[i]);
710 		for (i = 0; i < evergreen_ps_size; i++)
711 			*(u32 *)((unsigned long)ptr + rdev->r600_blit.ps_offset + i * 4) = cpu_to_le32(evergreen_ps[i]);
712 	} else {
713 		memcpy_toio(ptr + rdev->r600_blit.state_offset,
714 			    cayman_default_state, rdev->r600_blit.state_len * 4);
715 
716 		if (num_packet2s)
717 			memcpy_toio(ptr + rdev->r600_blit.state_offset + (rdev->r600_blit.state_len * 4),
718 				    packet2s, num_packet2s * 4);
719 		for (i = 0; i < cayman_vs_size; i++)
720 			*(u32 *)((unsigned long)ptr + rdev->r600_blit.vs_offset + i * 4) = cpu_to_le32(cayman_vs[i]);
721 		for (i = 0; i < cayman_ps_size; i++)
722 			*(u32 *)((unsigned long)ptr + rdev->r600_blit.ps_offset + i * 4) = cpu_to_le32(cayman_ps[i]);
723 	}
724 	radeon_bo_kunmap(rdev->r600_blit.shader_obj);
725 	radeon_bo_unreserve(rdev->r600_blit.shader_obj);
726 
727 done:
728 	r = radeon_bo_reserve(rdev->r600_blit.shader_obj, false);
729 	if (unlikely(r != 0))
730 		return r;
731 	r = radeon_bo_pin(rdev->r600_blit.shader_obj, RADEON_GEM_DOMAIN_VRAM,
732 			  &rdev->r600_blit.shader_gpu_addr);
733 	radeon_bo_unreserve(rdev->r600_blit.shader_obj);
734 	if (r) {
735 		dev_err(rdev->dev, "(%d) pin blit object failed\n", r);
736 		return r;
737 	}
738 	radeon_ttm_set_active_vram_size(rdev, rdev->mc.real_vram_size);
739 	return 0;
740 }
741