1 /*
2  * Copyright 2009 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  * ------------------------ This file is DEPRECATED! -------------------------
27  */
28 #include <drm/drmP.h>
29 #include <drm/radeon_drm.h>
30 #include "radeon_drv.h"
31 
32 #include "r600_blit_shaders.h"
33 
34 /* 23 bits of float fractional data */
35 #define I2F_FRAC_BITS  23
36 #define I2F_MASK ((1 << I2F_FRAC_BITS) - 1)
37 
38 /*
39  * Converts unsigned integer into 32-bit IEEE floating point representation.
40  * Will be exact from 0 to 2^24.  Above that, we round towards zero
41  * as the fractional bits will not fit in a float.  (It would be better to
42  * round towards even as the fpu does, but that is slower.)
43  */
int2float(uint32_t x)44 static __pure uint32_t int2float(uint32_t x)
45 {
46 	uint32_t msb, exponent, fraction;
47 
48 	/* Zero is special */
49 	if (!x) return 0;
50 
51 	/* Get location of the most significant bit */
52 	msb = __fls(x);
53 
54 	/*
55 	 * Use a rotate instead of a shift because that works both leftwards
56 	 * and rightwards due to the mod(32) behaviour.  This means we don't
57 	 * need to check to see if we are above 2^24 or not.
58 	 */
59 	fraction = ror32(x, (msb - I2F_FRAC_BITS) & 0x1f) & I2F_MASK;
60 	exponent = (127 + msb) << I2F_FRAC_BITS;
61 
62 	return fraction + exponent;
63 }
64 
65 #define DI_PT_RECTLIST        0x11
66 #define DI_INDEX_SIZE_16_BIT  0x0
67 #define DI_SRC_SEL_AUTO_INDEX 0x2
68 
69 #define FMT_8                 0x1
70 #define FMT_5_6_5             0x8
71 #define FMT_8_8_8_8           0x1a
72 #define COLOR_8               0x1
73 #define COLOR_5_6_5           0x8
74 #define COLOR_8_8_8_8         0x1a
75 
76 static void
set_render_target(drm_radeon_private_t * dev_priv,int format,int w,int h,u64 gpu_addr)77 set_render_target(drm_radeon_private_t *dev_priv, int format, int w, int h, u64 gpu_addr)
78 {
79 	u32 cb_color_info;
80 	int pitch, slice;
81 	RING_LOCALS;
82 	DRM_DEBUG("\n");
83 
84 	h = ALIGN(h, 8);
85 	if (h < 8)
86 		h = 8;
87 
88 	cb_color_info = ((format << 2) | (1 << 27));
89 	pitch = (w / 8) - 1;
90 	slice = ((w * h) / 64) - 1;
91 
92 	if (((dev_priv->flags & RADEON_FAMILY_MASK) > CHIP_R600) &&
93 	    ((dev_priv->flags & RADEON_FAMILY_MASK) < CHIP_RV770)) {
94 		BEGIN_RING(21 + 2);
95 		OUT_RING(CP_PACKET3(R600_IT_SET_CONTEXT_REG, 1));
96 		OUT_RING((R600_CB_COLOR0_BASE - R600_SET_CONTEXT_REG_OFFSET) >> 2);
97 		OUT_RING(gpu_addr >> 8);
98 		OUT_RING(CP_PACKET3(R600_IT_SURFACE_BASE_UPDATE, 0));
99 		OUT_RING(2 << 0);
100 	} else {
101 		BEGIN_RING(21);
102 		OUT_RING(CP_PACKET3(R600_IT_SET_CONTEXT_REG, 1));
103 		OUT_RING((R600_CB_COLOR0_BASE - R600_SET_CONTEXT_REG_OFFSET) >> 2);
104 		OUT_RING(gpu_addr >> 8);
105 	}
106 
107 	OUT_RING(CP_PACKET3(R600_IT_SET_CONTEXT_REG, 1));
108 	OUT_RING((R600_CB_COLOR0_SIZE - R600_SET_CONTEXT_REG_OFFSET) >> 2);
109 	OUT_RING((pitch << 0) | (slice << 10));
110 
111 	OUT_RING(CP_PACKET3(R600_IT_SET_CONTEXT_REG, 1));
112 	OUT_RING((R600_CB_COLOR0_VIEW - R600_SET_CONTEXT_REG_OFFSET) >> 2);
113 	OUT_RING(0);
114 
115 	OUT_RING(CP_PACKET3(R600_IT_SET_CONTEXT_REG, 1));
116 	OUT_RING((R600_CB_COLOR0_INFO - R600_SET_CONTEXT_REG_OFFSET) >> 2);
117 	OUT_RING(cb_color_info);
118 
119 	OUT_RING(CP_PACKET3(R600_IT_SET_CONTEXT_REG, 1));
120 	OUT_RING((R600_CB_COLOR0_TILE - R600_SET_CONTEXT_REG_OFFSET) >> 2);
121 	OUT_RING(0);
122 
123 	OUT_RING(CP_PACKET3(R600_IT_SET_CONTEXT_REG, 1));
124 	OUT_RING((R600_CB_COLOR0_FRAG - R600_SET_CONTEXT_REG_OFFSET) >> 2);
125 	OUT_RING(0);
126 
127 	OUT_RING(CP_PACKET3(R600_IT_SET_CONTEXT_REG, 1));
128 	OUT_RING((R600_CB_COLOR0_MASK - R600_SET_CONTEXT_REG_OFFSET) >> 2);
129 	OUT_RING(0);
130 
131 	ADVANCE_RING();
132 }
133 
134 static void
cp_set_surface_sync(drm_radeon_private_t * dev_priv,u32 sync_type,u32 size,u64 mc_addr)135 cp_set_surface_sync(drm_radeon_private_t *dev_priv,
136 		    u32 sync_type, u32 size, u64 mc_addr)
137 {
138 	u32 cp_coher_size;
139 	RING_LOCALS;
140 	DRM_DEBUG("\n");
141 
142 	if (size == 0xffffffff)
143 		cp_coher_size = 0xffffffff;
144 	else
145 		cp_coher_size = ((size + 255) >> 8);
146 
147 	BEGIN_RING(5);
148 	OUT_RING(CP_PACKET3(R600_IT_SURFACE_SYNC, 3));
149 	OUT_RING(sync_type);
150 	OUT_RING(cp_coher_size);
151 	OUT_RING((mc_addr >> 8));
152 	OUT_RING(10); /* poll interval */
153 	ADVANCE_RING();
154 }
155 
156 static void
set_shaders(struct drm_device * dev)157 set_shaders(struct drm_device *dev)
158 {
159 	drm_radeon_private_t *dev_priv = dev->dev_private;
160 	u64 gpu_addr;
161 	int i;
162 	u32 *vs, *ps;
163 	uint32_t sq_pgm_resources;
164 	RING_LOCALS;
165 	DRM_DEBUG("\n");
166 
167 	/* load shaders */
168 	vs = (u32 *) ((char *)dev->agp_buffer_map->handle + dev_priv->blit_vb->offset);
169 	ps = (u32 *) ((char *)dev->agp_buffer_map->handle + dev_priv->blit_vb->offset + 256);
170 
171 	for (i = 0; i < r6xx_vs_size; i++)
172 		vs[i] = cpu_to_le32(r6xx_vs[i]);
173 	for (i = 0; i < r6xx_ps_size; i++)
174 		ps[i] = cpu_to_le32(r6xx_ps[i]);
175 
176 	dev_priv->blit_vb->used = 512;
177 
178 	gpu_addr = dev_priv->gart_buffers_offset + dev_priv->blit_vb->offset;
179 
180 	/* setup shader regs */
181 	sq_pgm_resources = (1 << 0);
182 
183 	BEGIN_RING(9 + 12);
184 	/* VS */
185 	OUT_RING(CP_PACKET3(R600_IT_SET_CONTEXT_REG, 1));
186 	OUT_RING((R600_SQ_PGM_START_VS - R600_SET_CONTEXT_REG_OFFSET) >> 2);
187 	OUT_RING(gpu_addr >> 8);
188 
189 	OUT_RING(CP_PACKET3(R600_IT_SET_CONTEXT_REG, 1));
190 	OUT_RING((R600_SQ_PGM_RESOURCES_VS - R600_SET_CONTEXT_REG_OFFSET) >> 2);
191 	OUT_RING(sq_pgm_resources);
192 
193 	OUT_RING(CP_PACKET3(R600_IT_SET_CONTEXT_REG, 1));
194 	OUT_RING((R600_SQ_PGM_CF_OFFSET_VS - R600_SET_CONTEXT_REG_OFFSET) >> 2);
195 	OUT_RING(0);
196 
197 	/* PS */
198 	OUT_RING(CP_PACKET3(R600_IT_SET_CONTEXT_REG, 1));
199 	OUT_RING((R600_SQ_PGM_START_PS - R600_SET_CONTEXT_REG_OFFSET) >> 2);
200 	OUT_RING((gpu_addr + 256) >> 8);
201 
202 	OUT_RING(CP_PACKET3(R600_IT_SET_CONTEXT_REG, 1));
203 	OUT_RING((R600_SQ_PGM_RESOURCES_PS - R600_SET_CONTEXT_REG_OFFSET) >> 2);
204 	OUT_RING(sq_pgm_resources | (1 << 28));
205 
206 	OUT_RING(CP_PACKET3(R600_IT_SET_CONTEXT_REG, 1));
207 	OUT_RING((R600_SQ_PGM_EXPORTS_PS - R600_SET_CONTEXT_REG_OFFSET) >> 2);
208 	OUT_RING(2);
209 
210 	OUT_RING(CP_PACKET3(R600_IT_SET_CONTEXT_REG, 1));
211 	OUT_RING((R600_SQ_PGM_CF_OFFSET_PS - R600_SET_CONTEXT_REG_OFFSET) >> 2);
212 	OUT_RING(0);
213 	ADVANCE_RING();
214 
215 	cp_set_surface_sync(dev_priv,
216 			    R600_SH_ACTION_ENA, 512, gpu_addr);
217 }
218 
219 static void
set_vtx_resource(drm_radeon_private_t * dev_priv,u64 gpu_addr)220 set_vtx_resource(drm_radeon_private_t *dev_priv, u64 gpu_addr)
221 {
222 	uint32_t sq_vtx_constant_word2;
223 	RING_LOCALS;
224 	DRM_DEBUG("\n");
225 
226 	sq_vtx_constant_word2 = (((gpu_addr >> 32) & 0xff) | (16 << 8));
227 #ifdef __BIG_ENDIAN
228 	sq_vtx_constant_word2 |= (2 << 30);
229 #endif
230 
231 	BEGIN_RING(9);
232 	OUT_RING(CP_PACKET3(R600_IT_SET_RESOURCE, 7));
233 	OUT_RING(0x460);
234 	OUT_RING(gpu_addr & 0xffffffff);
235 	OUT_RING(48 - 1);
236 	OUT_RING(sq_vtx_constant_word2);
237 	OUT_RING(1 << 0);
238 	OUT_RING(0);
239 	OUT_RING(0);
240 	OUT_RING(R600_SQ_TEX_VTX_VALID_BUFFER << 30);
241 	ADVANCE_RING();
242 
243 	if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV610) ||
244 	    ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV620) ||
245 	    ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS780) ||
246 	    ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS880) ||
247 	    ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV710))
248 		cp_set_surface_sync(dev_priv,
249 				    R600_TC_ACTION_ENA, 48, gpu_addr);
250 	else
251 		cp_set_surface_sync(dev_priv,
252 				    R600_VC_ACTION_ENA, 48, gpu_addr);
253 }
254 
255 static void
set_tex_resource(drm_radeon_private_t * dev_priv,int format,int w,int h,int pitch,u64 gpu_addr)256 set_tex_resource(drm_radeon_private_t *dev_priv,
257 		 int format, int w, int h, int pitch, u64 gpu_addr)
258 {
259 	uint32_t sq_tex_resource_word0, sq_tex_resource_word1, sq_tex_resource_word4;
260 	RING_LOCALS;
261 	DRM_DEBUG("\n");
262 
263 	if (h < 1)
264 		h = 1;
265 
266 	sq_tex_resource_word0 = (1 << 0);
267 	sq_tex_resource_word0 |= ((((pitch >> 3) - 1) << 8) |
268 				  ((w - 1) << 19));
269 
270 	sq_tex_resource_word1 = (format << 26);
271 	sq_tex_resource_word1 |= ((h - 1) << 0);
272 
273 	sq_tex_resource_word4 = ((1 << 14) |
274 				 (0 << 16) |
275 				 (1 << 19) |
276 				 (2 << 22) |
277 				 (3 << 25));
278 
279 	BEGIN_RING(9);
280 	OUT_RING(CP_PACKET3(R600_IT_SET_RESOURCE, 7));
281 	OUT_RING(0);
282 	OUT_RING(sq_tex_resource_word0);
283 	OUT_RING(sq_tex_resource_word1);
284 	OUT_RING(gpu_addr >> 8);
285 	OUT_RING(gpu_addr >> 8);
286 	OUT_RING(sq_tex_resource_word4);
287 	OUT_RING(0);
288 	OUT_RING(R600_SQ_TEX_VTX_VALID_TEXTURE << 30);
289 	ADVANCE_RING();
290 
291 }
292 
293 static void
set_scissors(drm_radeon_private_t * dev_priv,int x1,int y1,int x2,int y2)294 set_scissors(drm_radeon_private_t *dev_priv, int x1, int y1, int x2, int y2)
295 {
296 	RING_LOCALS;
297 	DRM_DEBUG("\n");
298 
299 	BEGIN_RING(12);
300 	OUT_RING(CP_PACKET3(R600_IT_SET_CONTEXT_REG, 2));
301 	OUT_RING((R600_PA_SC_SCREEN_SCISSOR_TL - R600_SET_CONTEXT_REG_OFFSET) >> 2);
302 	OUT_RING((x1 << 0) | (y1 << 16));
303 	OUT_RING((x2 << 0) | (y2 << 16));
304 
305 	OUT_RING(CP_PACKET3(R600_IT_SET_CONTEXT_REG, 2));
306 	OUT_RING((R600_PA_SC_GENERIC_SCISSOR_TL - R600_SET_CONTEXT_REG_OFFSET) >> 2);
307 	OUT_RING((x1 << 0) | (y1 << 16) | (1 << 31));
308 	OUT_RING((x2 << 0) | (y2 << 16));
309 
310 	OUT_RING(CP_PACKET3(R600_IT_SET_CONTEXT_REG, 2));
311 	OUT_RING((R600_PA_SC_WINDOW_SCISSOR_TL - R600_SET_CONTEXT_REG_OFFSET) >> 2);
312 	OUT_RING((x1 << 0) | (y1 << 16) | (1 << 31));
313 	OUT_RING((x2 << 0) | (y2 << 16));
314 	ADVANCE_RING();
315 }
316 
317 static void
draw_auto(drm_radeon_private_t * dev_priv)318 draw_auto(drm_radeon_private_t *dev_priv)
319 {
320 	RING_LOCALS;
321 	DRM_DEBUG("\n");
322 
323 	BEGIN_RING(10);
324 	OUT_RING(CP_PACKET3(R600_IT_SET_CONFIG_REG, 1));
325 	OUT_RING((R600_VGT_PRIMITIVE_TYPE - R600_SET_CONFIG_REG_OFFSET) >> 2);
326 	OUT_RING(DI_PT_RECTLIST);
327 
328 	OUT_RING(CP_PACKET3(R600_IT_INDEX_TYPE, 0));
329 #ifdef __BIG_ENDIAN
330 	OUT_RING((2 << 2) | DI_INDEX_SIZE_16_BIT);
331 #else
332 	OUT_RING(DI_INDEX_SIZE_16_BIT);
333 #endif
334 
335 	OUT_RING(CP_PACKET3(R600_IT_NUM_INSTANCES, 0));
336 	OUT_RING(1);
337 
338 	OUT_RING(CP_PACKET3(R600_IT_DRAW_INDEX_AUTO, 1));
339 	OUT_RING(3);
340 	OUT_RING(DI_SRC_SEL_AUTO_INDEX);
341 
342 	ADVANCE_RING();
343 	COMMIT_RING();
344 }
345 
346 static void
set_default_state(drm_radeon_private_t * dev_priv)347 set_default_state(drm_radeon_private_t *dev_priv)
348 {
349 	int i;
350 	u32 sq_config, sq_gpr_resource_mgmt_1, sq_gpr_resource_mgmt_2;
351 	u32 sq_thread_resource_mgmt, sq_stack_resource_mgmt_1, sq_stack_resource_mgmt_2;
352 	int num_ps_gprs, num_vs_gprs, num_temp_gprs, num_gs_gprs, num_es_gprs;
353 	int num_ps_threads, num_vs_threads, num_gs_threads, num_es_threads;
354 	int num_ps_stack_entries, num_vs_stack_entries, num_gs_stack_entries, num_es_stack_entries;
355 	RING_LOCALS;
356 
357 	switch ((dev_priv->flags & RADEON_FAMILY_MASK)) {
358 	case CHIP_R600:
359 		num_ps_gprs = 192;
360 		num_vs_gprs = 56;
361 		num_temp_gprs = 4;
362 		num_gs_gprs = 0;
363 		num_es_gprs = 0;
364 		num_ps_threads = 136;
365 		num_vs_threads = 48;
366 		num_gs_threads = 4;
367 		num_es_threads = 4;
368 		num_ps_stack_entries = 128;
369 		num_vs_stack_entries = 128;
370 		num_gs_stack_entries = 0;
371 		num_es_stack_entries = 0;
372 		break;
373 	case CHIP_RV630:
374 	case CHIP_RV635:
375 		num_ps_gprs = 84;
376 		num_vs_gprs = 36;
377 		num_temp_gprs = 4;
378 		num_gs_gprs = 0;
379 		num_es_gprs = 0;
380 		num_ps_threads = 144;
381 		num_vs_threads = 40;
382 		num_gs_threads = 4;
383 		num_es_threads = 4;
384 		num_ps_stack_entries = 40;
385 		num_vs_stack_entries = 40;
386 		num_gs_stack_entries = 32;
387 		num_es_stack_entries = 16;
388 		break;
389 	case CHIP_RV610:
390 	case CHIP_RV620:
391 	case CHIP_RS780:
392 	case CHIP_RS880:
393 	default:
394 		num_ps_gprs = 84;
395 		num_vs_gprs = 36;
396 		num_temp_gprs = 4;
397 		num_gs_gprs = 0;
398 		num_es_gprs = 0;
399 		num_ps_threads = 136;
400 		num_vs_threads = 48;
401 		num_gs_threads = 4;
402 		num_es_threads = 4;
403 		num_ps_stack_entries = 40;
404 		num_vs_stack_entries = 40;
405 		num_gs_stack_entries = 32;
406 		num_es_stack_entries = 16;
407 		break;
408 	case CHIP_RV670:
409 		num_ps_gprs = 144;
410 		num_vs_gprs = 40;
411 		num_temp_gprs = 4;
412 		num_gs_gprs = 0;
413 		num_es_gprs = 0;
414 		num_ps_threads = 136;
415 		num_vs_threads = 48;
416 		num_gs_threads = 4;
417 		num_es_threads = 4;
418 		num_ps_stack_entries = 40;
419 		num_vs_stack_entries = 40;
420 		num_gs_stack_entries = 32;
421 		num_es_stack_entries = 16;
422 		break;
423 	case CHIP_RV770:
424 		num_ps_gprs = 192;
425 		num_vs_gprs = 56;
426 		num_temp_gprs = 4;
427 		num_gs_gprs = 0;
428 		num_es_gprs = 0;
429 		num_ps_threads = 188;
430 		num_vs_threads = 60;
431 		num_gs_threads = 0;
432 		num_es_threads = 0;
433 		num_ps_stack_entries = 256;
434 		num_vs_stack_entries = 256;
435 		num_gs_stack_entries = 0;
436 		num_es_stack_entries = 0;
437 		break;
438 	case CHIP_RV730:
439 	case CHIP_RV740:
440 		num_ps_gprs = 84;
441 		num_vs_gprs = 36;
442 		num_temp_gprs = 4;
443 		num_gs_gprs = 0;
444 		num_es_gprs = 0;
445 		num_ps_threads = 188;
446 		num_vs_threads = 60;
447 		num_gs_threads = 0;
448 		num_es_threads = 0;
449 		num_ps_stack_entries = 128;
450 		num_vs_stack_entries = 128;
451 		num_gs_stack_entries = 0;
452 		num_es_stack_entries = 0;
453 		break;
454 	case CHIP_RV710:
455 		num_ps_gprs = 192;
456 		num_vs_gprs = 56;
457 		num_temp_gprs = 4;
458 		num_gs_gprs = 0;
459 		num_es_gprs = 0;
460 		num_ps_threads = 144;
461 		num_vs_threads = 48;
462 		num_gs_threads = 0;
463 		num_es_threads = 0;
464 		num_ps_stack_entries = 128;
465 		num_vs_stack_entries = 128;
466 		num_gs_stack_entries = 0;
467 		num_es_stack_entries = 0;
468 		break;
469 	}
470 
471 	if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV610) ||
472 	    ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV620) ||
473 	    ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS780) ||
474 	    ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS880) ||
475 	    ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV710))
476 		sq_config = 0;
477 	else
478 		sq_config = R600_VC_ENABLE;
479 
480 	sq_config |= (R600_DX9_CONSTS |
481 		      R600_ALU_INST_PREFER_VECTOR |
482 		      R600_PS_PRIO(0) |
483 		      R600_VS_PRIO(1) |
484 		      R600_GS_PRIO(2) |
485 		      R600_ES_PRIO(3));
486 
487 	sq_gpr_resource_mgmt_1 = (R600_NUM_PS_GPRS(num_ps_gprs) |
488 				  R600_NUM_VS_GPRS(num_vs_gprs) |
489 				  R600_NUM_CLAUSE_TEMP_GPRS(num_temp_gprs));
490 	sq_gpr_resource_mgmt_2 = (R600_NUM_GS_GPRS(num_gs_gprs) |
491 				  R600_NUM_ES_GPRS(num_es_gprs));
492 	sq_thread_resource_mgmt = (R600_NUM_PS_THREADS(num_ps_threads) |
493 				   R600_NUM_VS_THREADS(num_vs_threads) |
494 				   R600_NUM_GS_THREADS(num_gs_threads) |
495 				   R600_NUM_ES_THREADS(num_es_threads));
496 	sq_stack_resource_mgmt_1 = (R600_NUM_PS_STACK_ENTRIES(num_ps_stack_entries) |
497 				    R600_NUM_VS_STACK_ENTRIES(num_vs_stack_entries));
498 	sq_stack_resource_mgmt_2 = (R600_NUM_GS_STACK_ENTRIES(num_gs_stack_entries) |
499 				    R600_NUM_ES_STACK_ENTRIES(num_es_stack_entries));
500 
501 	if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RV770) {
502 		BEGIN_RING(r7xx_default_size + 10);
503 		for (i = 0; i < r7xx_default_size; i++)
504 			OUT_RING(r7xx_default_state[i]);
505 	} else {
506 		BEGIN_RING(r6xx_default_size + 10);
507 		for (i = 0; i < r6xx_default_size; i++)
508 			OUT_RING(r6xx_default_state[i]);
509 	}
510 	OUT_RING(CP_PACKET3(R600_IT_EVENT_WRITE, 0));
511 	OUT_RING(R600_CACHE_FLUSH_AND_INV_EVENT);
512 	/* SQ config */
513 	OUT_RING(CP_PACKET3(R600_IT_SET_CONFIG_REG, 6));
514 	OUT_RING((R600_SQ_CONFIG - R600_SET_CONFIG_REG_OFFSET) >> 2);
515 	OUT_RING(sq_config);
516 	OUT_RING(sq_gpr_resource_mgmt_1);
517 	OUT_RING(sq_gpr_resource_mgmt_2);
518 	OUT_RING(sq_thread_resource_mgmt);
519 	OUT_RING(sq_stack_resource_mgmt_1);
520 	OUT_RING(sq_stack_resource_mgmt_2);
521 	ADVANCE_RING();
522 }
523 
r600_nomm_get_vb(struct drm_device * dev)524 static int r600_nomm_get_vb(struct drm_device *dev)
525 {
526 	drm_radeon_private_t *dev_priv = dev->dev_private;
527 	dev_priv->blit_vb = radeon_freelist_get(dev);
528 	if (!dev_priv->blit_vb) {
529 		DRM_ERROR("Unable to allocate vertex buffer for blit\n");
530 		return -EAGAIN;
531 	}
532 	return 0;
533 }
534 
r600_nomm_put_vb(struct drm_device * dev)535 static void r600_nomm_put_vb(struct drm_device *dev)
536 {
537 	drm_radeon_private_t *dev_priv = dev->dev_private;
538 
539 	dev_priv->blit_vb->used = 0;
540 	radeon_cp_discard_buffer(dev, dev_priv->blit_vb->file_priv->master, dev_priv->blit_vb);
541 }
542 
r600_nomm_get_vb_ptr(struct drm_device * dev)543 static void *r600_nomm_get_vb_ptr(struct drm_device *dev)
544 {
545 	drm_radeon_private_t *dev_priv = dev->dev_private;
546 	return (((char *)dev->agp_buffer_map->handle +
547 		 dev_priv->blit_vb->offset + dev_priv->blit_vb->used));
548 }
549 
550 int
r600_prepare_blit_copy(struct drm_device * dev,struct drm_file * file_priv)551 r600_prepare_blit_copy(struct drm_device *dev, struct drm_file *file_priv)
552 {
553 	drm_radeon_private_t *dev_priv = dev->dev_private;
554 	int ret;
555 	DRM_DEBUG("\n");
556 
557 	ret = r600_nomm_get_vb(dev);
558 	if (ret)
559 		return ret;
560 
561 	dev_priv->blit_vb->file_priv = file_priv;
562 
563 	set_default_state(dev_priv);
564 	set_shaders(dev);
565 
566 	return 0;
567 }
568 
569 
570 void
r600_done_blit_copy(struct drm_device * dev)571 r600_done_blit_copy(struct drm_device *dev)
572 {
573 	drm_radeon_private_t *dev_priv = dev->dev_private;
574 	RING_LOCALS;
575 	DRM_DEBUG("\n");
576 
577 	BEGIN_RING(5);
578 	OUT_RING(CP_PACKET3(R600_IT_EVENT_WRITE, 0));
579 	OUT_RING(R600_CACHE_FLUSH_AND_INV_EVENT);
580 	/* wait for 3D idle clean */
581 	OUT_RING(CP_PACKET3(R600_IT_SET_CONFIG_REG, 1));
582 	OUT_RING((R600_WAIT_UNTIL - R600_SET_CONFIG_REG_OFFSET) >> 2);
583 	OUT_RING(RADEON_WAIT_3D_IDLE | RADEON_WAIT_3D_IDLECLEAN);
584 
585 	ADVANCE_RING();
586 	COMMIT_RING();
587 
588 	r600_nomm_put_vb(dev);
589 }
590 
591 void
r600_blit_copy(struct drm_device * dev,uint64_t src_gpu_addr,uint64_t dst_gpu_addr,int size_bytes)592 r600_blit_copy(struct drm_device *dev,
593 	       uint64_t src_gpu_addr, uint64_t dst_gpu_addr,
594 	       int size_bytes)
595 {
596 	drm_radeon_private_t *dev_priv = dev->dev_private;
597 	int max_bytes;
598 	u64 vb_addr;
599 	u32 *vb;
600 
601 	vb = r600_nomm_get_vb_ptr(dev);
602 
603 	if ((size_bytes & 3) || (src_gpu_addr & 3) || (dst_gpu_addr & 3)) {
604 		max_bytes = 8192;
605 
606 		while (size_bytes) {
607 			int cur_size = size_bytes;
608 			int src_x = src_gpu_addr & 255;
609 			int dst_x = dst_gpu_addr & 255;
610 			int h = 1;
611 			src_gpu_addr = src_gpu_addr & ~255;
612 			dst_gpu_addr = dst_gpu_addr & ~255;
613 
614 			if (!src_x && !dst_x) {
615 				h = (cur_size / max_bytes);
616 				if (h > 8192)
617 					h = 8192;
618 				if (h == 0)
619 					h = 1;
620 				else
621 					cur_size = max_bytes;
622 			} else {
623 				if (cur_size > max_bytes)
624 					cur_size = max_bytes;
625 				if (cur_size > (max_bytes - dst_x))
626 					cur_size = (max_bytes - dst_x);
627 				if (cur_size > (max_bytes - src_x))
628 					cur_size = (max_bytes - src_x);
629 			}
630 
631 			if ((dev_priv->blit_vb->used + 48) > dev_priv->blit_vb->total) {
632 
633 				r600_nomm_put_vb(dev);
634 				r600_nomm_get_vb(dev);
635 				if (!dev_priv->blit_vb)
636 					return;
637 				set_shaders(dev);
638 				vb = r600_nomm_get_vb_ptr(dev);
639 			}
640 
641 			vb[0] = int2float(dst_x);
642 			vb[1] = 0;
643 			vb[2] = int2float(src_x);
644 			vb[3] = 0;
645 
646 			vb[4] = int2float(dst_x);
647 			vb[5] = int2float(h);
648 			vb[6] = int2float(src_x);
649 			vb[7] = int2float(h);
650 
651 			vb[8] = int2float(dst_x + cur_size);
652 			vb[9] = int2float(h);
653 			vb[10] = int2float(src_x + cur_size);
654 			vb[11] = int2float(h);
655 
656 			/* src */
657 			set_tex_resource(dev_priv, FMT_8,
658 					 src_x + cur_size, h, src_x + cur_size,
659 					 src_gpu_addr);
660 
661 			cp_set_surface_sync(dev_priv,
662 					    R600_TC_ACTION_ENA, (src_x + cur_size * h), src_gpu_addr);
663 
664 			/* dst */
665 			set_render_target(dev_priv, COLOR_8,
666 					  dst_x + cur_size, h,
667 					  dst_gpu_addr);
668 
669 			/* scissors */
670 			set_scissors(dev_priv, dst_x, 0, dst_x + cur_size, h);
671 
672 			/* Vertex buffer setup */
673 			vb_addr = dev_priv->gart_buffers_offset +
674 				dev_priv->blit_vb->offset +
675 				dev_priv->blit_vb->used;
676 			set_vtx_resource(dev_priv, vb_addr);
677 
678 			/* draw */
679 			draw_auto(dev_priv);
680 
681 			cp_set_surface_sync(dev_priv,
682 					    R600_CB_ACTION_ENA | R600_CB0_DEST_BASE_ENA,
683 					    cur_size * h, dst_gpu_addr);
684 
685 			vb += 12;
686 			dev_priv->blit_vb->used += 12 * 4;
687 
688 			src_gpu_addr += cur_size * h;
689 			dst_gpu_addr += cur_size * h;
690 			size_bytes -= cur_size * h;
691 		}
692 	} else {
693 		max_bytes = 8192 * 4;
694 
695 		while (size_bytes) {
696 			int cur_size = size_bytes;
697 			int src_x = (src_gpu_addr & 255);
698 			int dst_x = (dst_gpu_addr & 255);
699 			int h = 1;
700 			src_gpu_addr = src_gpu_addr & ~255;
701 			dst_gpu_addr = dst_gpu_addr & ~255;
702 
703 			if (!src_x && !dst_x) {
704 				h = (cur_size / max_bytes);
705 				if (h > 8192)
706 					h = 8192;
707 				if (h == 0)
708 					h = 1;
709 				else
710 					cur_size = max_bytes;
711 			} else {
712 				if (cur_size > max_bytes)
713 					cur_size = max_bytes;
714 				if (cur_size > (max_bytes - dst_x))
715 					cur_size = (max_bytes - dst_x);
716 				if (cur_size > (max_bytes - src_x))
717 					cur_size = (max_bytes - src_x);
718 			}
719 
720 			if ((dev_priv->blit_vb->used + 48) > dev_priv->blit_vb->total) {
721 				r600_nomm_put_vb(dev);
722 				r600_nomm_get_vb(dev);
723 				if (!dev_priv->blit_vb)
724 					return;
725 
726 				set_shaders(dev);
727 				vb = r600_nomm_get_vb_ptr(dev);
728 			}
729 
730 			vb[0] = int2float(dst_x / 4);
731 			vb[1] = 0;
732 			vb[2] = int2float(src_x / 4);
733 			vb[3] = 0;
734 
735 			vb[4] = int2float(dst_x / 4);
736 			vb[5] = int2float(h);
737 			vb[6] = int2float(src_x / 4);
738 			vb[7] = int2float(h);
739 
740 			vb[8] = int2float((dst_x + cur_size) / 4);
741 			vb[9] = int2float(h);
742 			vb[10] = int2float((src_x + cur_size) / 4);
743 			vb[11] = int2float(h);
744 
745 			/* src */
746 			set_tex_resource(dev_priv, FMT_8_8_8_8,
747 					 (src_x + cur_size) / 4,
748 					 h, (src_x + cur_size) / 4,
749 					 src_gpu_addr);
750 
751 			cp_set_surface_sync(dev_priv,
752 					    R600_TC_ACTION_ENA, (src_x + cur_size * h), src_gpu_addr);
753 
754 			/* dst */
755 			set_render_target(dev_priv, COLOR_8_8_8_8,
756 					  (dst_x + cur_size) / 4, h,
757 					  dst_gpu_addr);
758 
759 			/* scissors */
760 			set_scissors(dev_priv, (dst_x / 4), 0, (dst_x + cur_size / 4), h);
761 
762 			/* Vertex buffer setup */
763 			vb_addr = dev_priv->gart_buffers_offset +
764 				dev_priv->blit_vb->offset +
765 				dev_priv->blit_vb->used;
766 			set_vtx_resource(dev_priv, vb_addr);
767 
768 			/* draw */
769 			draw_auto(dev_priv);
770 
771 			cp_set_surface_sync(dev_priv,
772 					    R600_CB_ACTION_ENA | R600_CB0_DEST_BASE_ENA,
773 					    cur_size * h, dst_gpu_addr);
774 
775 			vb += 12;
776 			dev_priv->blit_vb->used += 12 * 4;
777 
778 			src_gpu_addr += cur_size * h;
779 			dst_gpu_addr += cur_size * h;
780 			size_bytes -= cur_size * h;
781 		}
782 	}
783 }
784 
785 void
r600_blit_swap(struct drm_device * dev,uint64_t src_gpu_addr,uint64_t dst_gpu_addr,int sx,int sy,int dx,int dy,int w,int h,int src_pitch,int dst_pitch,int cpp)786 r600_blit_swap(struct drm_device *dev,
787 	       uint64_t src_gpu_addr, uint64_t dst_gpu_addr,
788 	       int sx, int sy, int dx, int dy,
789 	       int w, int h, int src_pitch, int dst_pitch, int cpp)
790 {
791 	drm_radeon_private_t *dev_priv = dev->dev_private;
792 	int cb_format, tex_format;
793 	int sx2, sy2, dx2, dy2;
794 	u64 vb_addr;
795 	u32 *vb;
796 
797 	if ((dev_priv->blit_vb->used + 48) > dev_priv->blit_vb->total) {
798 
799 		r600_nomm_put_vb(dev);
800 		r600_nomm_get_vb(dev);
801 		if (!dev_priv->blit_vb)
802 			return;
803 
804 		set_shaders(dev);
805 	}
806 	vb = r600_nomm_get_vb_ptr(dev);
807 
808 	sx2 = sx + w;
809 	sy2 = sy + h;
810 	dx2 = dx + w;
811 	dy2 = dy + h;
812 
813 	vb[0] = int2float(dx);
814 	vb[1] = int2float(dy);
815 	vb[2] = int2float(sx);
816 	vb[3] = int2float(sy);
817 
818 	vb[4] = int2float(dx);
819 	vb[5] = int2float(dy2);
820 	vb[6] = int2float(sx);
821 	vb[7] = int2float(sy2);
822 
823 	vb[8] = int2float(dx2);
824 	vb[9] = int2float(dy2);
825 	vb[10] = int2float(sx2);
826 	vb[11] = int2float(sy2);
827 
828 	switch(cpp) {
829 	case 4:
830 		cb_format = COLOR_8_8_8_8;
831 		tex_format = FMT_8_8_8_8;
832 		break;
833 	case 2:
834 		cb_format = COLOR_5_6_5;
835 		tex_format = FMT_5_6_5;
836 		break;
837 	default:
838 		cb_format = COLOR_8;
839 		tex_format = FMT_8;
840 		break;
841 	}
842 
843 	/* src */
844 	set_tex_resource(dev_priv, tex_format,
845 			 src_pitch / cpp,
846 			 sy2, src_pitch / cpp,
847 			 src_gpu_addr);
848 
849 	cp_set_surface_sync(dev_priv,
850 			    R600_TC_ACTION_ENA, src_pitch * sy2, src_gpu_addr);
851 
852 	/* dst */
853 	set_render_target(dev_priv, cb_format,
854 			  dst_pitch / cpp, dy2,
855 			  dst_gpu_addr);
856 
857 	/* scissors */
858 	set_scissors(dev_priv, dx, dy, dx2, dy2);
859 
860 	/* Vertex buffer setup */
861 	vb_addr = dev_priv->gart_buffers_offset +
862 		dev_priv->blit_vb->offset +
863 		dev_priv->blit_vb->used;
864 	set_vtx_resource(dev_priv, vb_addr);
865 
866 	/* draw */
867 	draw_auto(dev_priv);
868 
869 	cp_set_surface_sync(dev_priv,
870 			    R600_CB_ACTION_ENA | R600_CB0_DEST_BASE_ENA,
871 			    dst_pitch * dy2, dst_gpu_addr);
872 
873 	dev_priv->blit_vb->used += 12 * 4;
874 }
875