xref: /openbmc/linux/drivers/gpu/drm/radeon/r200.c (revision 4800cd83)
1 /*
2  * Copyright 2008 Advanced Micro Devices, Inc.
3  * Copyright 2008 Red Hat Inc.
4  * Copyright 2009 Jerome Glisse.
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a
7  * copy of this software and associated documentation files (the "Software"),
8  * to deal in the Software without restriction, including without limitation
9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10  * and/or sell copies of the Software, and to permit persons to whom the
11  * Software is furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be included in
14  * all copies or substantial portions of the 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) OR AUTHOR(S) 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
22  * OTHER DEALINGS IN THE SOFTWARE.
23  *
24  * Authors: Dave Airlie
25  *          Alex Deucher
26  *          Jerome Glisse
27  */
28 #include "drmP.h"
29 #include "drm.h"
30 #include "radeon_drm.h"
31 #include "radeon_reg.h"
32 #include "radeon.h"
33 #include "radeon_asic.h"
34 
35 #include "r100d.h"
36 #include "r200_reg_safe.h"
37 
38 #include "r100_track.h"
39 
40 static int r200_get_vtx_size_0(uint32_t vtx_fmt_0)
41 {
42 	int vtx_size, i;
43 	vtx_size = 2;
44 
45 	if (vtx_fmt_0 & R200_VTX_Z0)
46 		vtx_size++;
47 	if (vtx_fmt_0 & R200_VTX_W0)
48 		vtx_size++;
49 	/* blend weight */
50 	if (vtx_fmt_0 & (0x7 << R200_VTX_WEIGHT_COUNT_SHIFT))
51 		vtx_size += (vtx_fmt_0 >> R200_VTX_WEIGHT_COUNT_SHIFT) & 0x7;
52 	if (vtx_fmt_0 & R200_VTX_PV_MATRIX_SEL)
53 		vtx_size++;
54 	if (vtx_fmt_0 & R200_VTX_N0)
55 		vtx_size += 3;
56 	if (vtx_fmt_0 & R200_VTX_POINT_SIZE)
57 		vtx_size++;
58 	if (vtx_fmt_0 & R200_VTX_DISCRETE_FOG)
59 		vtx_size++;
60 	if (vtx_fmt_0 & R200_VTX_SHININESS_0)
61 		vtx_size++;
62 	if (vtx_fmt_0 & R200_VTX_SHININESS_1)
63 		vtx_size++;
64 	for (i = 0; i < 8; i++) {
65 		int color_size = (vtx_fmt_0 >> (11 + 2*i)) & 0x3;
66 		switch (color_size) {
67 		case 0: break;
68 		case 1: vtx_size++; break;
69 		case 2: vtx_size += 3; break;
70 		case 3: vtx_size += 4; break;
71 		}
72 	}
73 	if (vtx_fmt_0 & R200_VTX_XY1)
74 		vtx_size += 2;
75 	if (vtx_fmt_0 & R200_VTX_Z1)
76 		vtx_size++;
77 	if (vtx_fmt_0 & R200_VTX_W1)
78 		vtx_size++;
79 	if (vtx_fmt_0 & R200_VTX_N1)
80 		vtx_size += 3;
81 	return vtx_size;
82 }
83 
84 int r200_copy_dma(struct radeon_device *rdev,
85 		  uint64_t src_offset,
86 		  uint64_t dst_offset,
87 		  unsigned num_pages,
88 		  struct radeon_fence *fence)
89 {
90 	uint32_t size;
91 	uint32_t cur_size;
92 	int i, num_loops;
93 	int r = 0;
94 
95 	/* radeon pitch is /64 */
96 	size = num_pages << PAGE_SHIFT;
97 	num_loops = DIV_ROUND_UP(size, 0x1FFFFF);
98 	r = radeon_ring_lock(rdev, num_loops * 4 + 64);
99 	if (r) {
100 		DRM_ERROR("radeon: moving bo (%d).\n", r);
101 		return r;
102 	}
103 	/* Must wait for 2D idle & clean before DMA or hangs might happen */
104 	radeon_ring_write(rdev, PACKET0(RADEON_WAIT_UNTIL, 0));
105 	radeon_ring_write(rdev, (1 << 16));
106 	for (i = 0; i < num_loops; i++) {
107 		cur_size = size;
108 		if (cur_size > 0x1FFFFF) {
109 			cur_size = 0x1FFFFF;
110 		}
111 		size -= cur_size;
112 		radeon_ring_write(rdev, PACKET0(0x720, 2));
113 		radeon_ring_write(rdev, src_offset);
114 		radeon_ring_write(rdev, dst_offset);
115 		radeon_ring_write(rdev, cur_size | (1 << 31) | (1 << 30));
116 		src_offset += cur_size;
117 		dst_offset += cur_size;
118 	}
119 	radeon_ring_write(rdev, PACKET0(RADEON_WAIT_UNTIL, 0));
120 	radeon_ring_write(rdev, RADEON_WAIT_DMA_GUI_IDLE);
121 	if (fence) {
122 		r = radeon_fence_emit(rdev, fence);
123 	}
124 	radeon_ring_unlock_commit(rdev);
125 	return r;
126 }
127 
128 
129 static int r200_get_vtx_size_1(uint32_t vtx_fmt_1)
130 {
131 	int vtx_size, i, tex_size;
132 	vtx_size = 0;
133 	for (i = 0; i < 6; i++) {
134 		tex_size = (vtx_fmt_1 >> (i * 3)) & 0x7;
135 		if (tex_size > 4)
136 			continue;
137 		vtx_size += tex_size;
138 	}
139 	return vtx_size;
140 }
141 
142 int r200_packet0_check(struct radeon_cs_parser *p,
143 		       struct radeon_cs_packet *pkt,
144 		       unsigned idx, unsigned reg)
145 {
146 	struct radeon_cs_reloc *reloc;
147 	struct r100_cs_track *track;
148 	volatile uint32_t *ib;
149 	uint32_t tmp;
150 	int r;
151 	int i;
152 	int face;
153 	u32 tile_flags = 0;
154 	u32 idx_value;
155 
156 	ib = p->ib->ptr;
157 	track = (struct r100_cs_track *)p->track;
158 	idx_value = radeon_get_ib_value(p, idx);
159 	switch (reg) {
160 	case RADEON_CRTC_GUI_TRIG_VLINE:
161 		r = r100_cs_packet_parse_vline(p);
162 		if (r) {
163 			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
164 				  idx, reg);
165 			r100_cs_dump_packet(p, pkt);
166 			return r;
167 		}
168 		break;
169 		/* FIXME: only allow PACKET3 blit? easier to check for out of
170 		 * range access */
171 	case RADEON_DST_PITCH_OFFSET:
172 	case RADEON_SRC_PITCH_OFFSET:
173 		r = r100_reloc_pitch_offset(p, pkt, idx, reg);
174 		if (r)
175 			return r;
176 		break;
177 	case RADEON_RB3D_DEPTHOFFSET:
178 		r = r100_cs_packet_next_reloc(p, &reloc);
179 		if (r) {
180 			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
181 				  idx, reg);
182 			r100_cs_dump_packet(p, pkt);
183 			return r;
184 		}
185 		track->zb.robj = reloc->robj;
186 		track->zb.offset = idx_value;
187 		track->zb_dirty = true;
188 		ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
189 		break;
190 	case RADEON_RB3D_COLOROFFSET:
191 		r = r100_cs_packet_next_reloc(p, &reloc);
192 		if (r) {
193 			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
194 				  idx, reg);
195 			r100_cs_dump_packet(p, pkt);
196 			return r;
197 		}
198 		track->cb[0].robj = reloc->robj;
199 		track->cb[0].offset = idx_value;
200 		track->cb_dirty = true;
201 		ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
202 		break;
203 	case R200_PP_TXOFFSET_0:
204 	case R200_PP_TXOFFSET_1:
205 	case R200_PP_TXOFFSET_2:
206 	case R200_PP_TXOFFSET_3:
207 	case R200_PP_TXOFFSET_4:
208 	case R200_PP_TXOFFSET_5:
209 		i = (reg - R200_PP_TXOFFSET_0) / 24;
210 		r = r100_cs_packet_next_reloc(p, &reloc);
211 		if (r) {
212 			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
213 				  idx, reg);
214 			r100_cs_dump_packet(p, pkt);
215 			return r;
216 		}
217 		ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
218 		track->textures[i].robj = reloc->robj;
219 		track->tex_dirty = true;
220 		break;
221 	case R200_PP_CUBIC_OFFSET_F1_0:
222 	case R200_PP_CUBIC_OFFSET_F2_0:
223 	case R200_PP_CUBIC_OFFSET_F3_0:
224 	case R200_PP_CUBIC_OFFSET_F4_0:
225 	case R200_PP_CUBIC_OFFSET_F5_0:
226 	case R200_PP_CUBIC_OFFSET_F1_1:
227 	case R200_PP_CUBIC_OFFSET_F2_1:
228 	case R200_PP_CUBIC_OFFSET_F3_1:
229 	case R200_PP_CUBIC_OFFSET_F4_1:
230 	case R200_PP_CUBIC_OFFSET_F5_1:
231 	case R200_PP_CUBIC_OFFSET_F1_2:
232 	case R200_PP_CUBIC_OFFSET_F2_2:
233 	case R200_PP_CUBIC_OFFSET_F3_2:
234 	case R200_PP_CUBIC_OFFSET_F4_2:
235 	case R200_PP_CUBIC_OFFSET_F5_2:
236 	case R200_PP_CUBIC_OFFSET_F1_3:
237 	case R200_PP_CUBIC_OFFSET_F2_3:
238 	case R200_PP_CUBIC_OFFSET_F3_3:
239 	case R200_PP_CUBIC_OFFSET_F4_3:
240 	case R200_PP_CUBIC_OFFSET_F5_3:
241 	case R200_PP_CUBIC_OFFSET_F1_4:
242 	case R200_PP_CUBIC_OFFSET_F2_4:
243 	case R200_PP_CUBIC_OFFSET_F3_4:
244 	case R200_PP_CUBIC_OFFSET_F4_4:
245 	case R200_PP_CUBIC_OFFSET_F5_4:
246 	case R200_PP_CUBIC_OFFSET_F1_5:
247 	case R200_PP_CUBIC_OFFSET_F2_5:
248 	case R200_PP_CUBIC_OFFSET_F3_5:
249 	case R200_PP_CUBIC_OFFSET_F4_5:
250 	case R200_PP_CUBIC_OFFSET_F5_5:
251 		i = (reg - R200_PP_TXOFFSET_0) / 24;
252 		face = (reg - ((i * 24) + R200_PP_TXOFFSET_0)) / 4;
253 		r = r100_cs_packet_next_reloc(p, &reloc);
254 		if (r) {
255 			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
256 				  idx, reg);
257 			r100_cs_dump_packet(p, pkt);
258 			return r;
259 		}
260 		track->textures[i].cube_info[face - 1].offset = idx_value;
261 		ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
262 		track->textures[i].cube_info[face - 1].robj = reloc->robj;
263 		track->tex_dirty = true;
264 		break;
265 	case RADEON_RE_WIDTH_HEIGHT:
266 		track->maxy = ((idx_value >> 16) & 0x7FF);
267 		track->cb_dirty = true;
268 		track->zb_dirty = true;
269 		break;
270 	case RADEON_RB3D_COLORPITCH:
271 		r = r100_cs_packet_next_reloc(p, &reloc);
272 		if (r) {
273 			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
274 				  idx, reg);
275 			r100_cs_dump_packet(p, pkt);
276 			return r;
277 		}
278 
279 		if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO)
280 			tile_flags |= RADEON_COLOR_TILE_ENABLE;
281 		if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO)
282 			tile_flags |= RADEON_COLOR_MICROTILE_ENABLE;
283 
284 		tmp = idx_value & ~(0x7 << 16);
285 		tmp |= tile_flags;
286 		ib[idx] = tmp;
287 
288 		track->cb[0].pitch = idx_value & RADEON_COLORPITCH_MASK;
289 		track->cb_dirty = true;
290 		break;
291 	case RADEON_RB3D_DEPTHPITCH:
292 		track->zb.pitch = idx_value & RADEON_DEPTHPITCH_MASK;
293 		track->zb_dirty = true;
294 		break;
295 	case RADEON_RB3D_CNTL:
296 		switch ((idx_value >> RADEON_RB3D_COLOR_FORMAT_SHIFT) & 0x1f) {
297 		case 7:
298 		case 8:
299 		case 9:
300 		case 11:
301 		case 12:
302 			track->cb[0].cpp = 1;
303 			break;
304 		case 3:
305 		case 4:
306 		case 15:
307 			track->cb[0].cpp = 2;
308 			break;
309 		case 6:
310 			track->cb[0].cpp = 4;
311 			break;
312 		default:
313 			DRM_ERROR("Invalid color buffer format (%d) !\n",
314 				  ((idx_value >> RADEON_RB3D_COLOR_FORMAT_SHIFT) & 0x1f));
315 			return -EINVAL;
316 		}
317 		if (idx_value & RADEON_DEPTHXY_OFFSET_ENABLE) {
318 			DRM_ERROR("No support for depth xy offset in kms\n");
319 			return -EINVAL;
320 		}
321 
322 		track->z_enabled = !!(idx_value & RADEON_Z_ENABLE);
323 		track->cb_dirty = true;
324 		track->zb_dirty = true;
325 		break;
326 	case RADEON_RB3D_ZSTENCILCNTL:
327 		switch (idx_value & 0xf) {
328 		case 0:
329 			track->zb.cpp = 2;
330 			break;
331 		case 2:
332 		case 3:
333 		case 4:
334 		case 5:
335 		case 9:
336 		case 11:
337 			track->zb.cpp = 4;
338 			break;
339 		default:
340 			break;
341 		}
342 		track->zb_dirty = true;
343 		break;
344 	case RADEON_RB3D_ZPASS_ADDR:
345 		r = r100_cs_packet_next_reloc(p, &reloc);
346 		if (r) {
347 			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
348 				  idx, reg);
349 			r100_cs_dump_packet(p, pkt);
350 			return r;
351 		}
352 		ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
353 		break;
354 	case RADEON_PP_CNTL:
355 		{
356 			uint32_t temp = idx_value >> 4;
357 			for (i = 0; i < track->num_texture; i++)
358 				track->textures[i].enabled = !!(temp & (1 << i));
359 			track->tex_dirty = true;
360 		}
361 		break;
362 	case RADEON_SE_VF_CNTL:
363 		track->vap_vf_cntl = idx_value;
364 		break;
365 	case 0x210c:
366 		/* VAP_VF_MAX_VTX_INDX */
367 		track->max_indx = idx_value & 0x00FFFFFFUL;
368 		break;
369 	case R200_SE_VTX_FMT_0:
370 		track->vtx_size = r200_get_vtx_size_0(idx_value);
371 		break;
372 	case R200_SE_VTX_FMT_1:
373 		track->vtx_size += r200_get_vtx_size_1(idx_value);
374 		break;
375 	case R200_PP_TXSIZE_0:
376 	case R200_PP_TXSIZE_1:
377 	case R200_PP_TXSIZE_2:
378 	case R200_PP_TXSIZE_3:
379 	case R200_PP_TXSIZE_4:
380 	case R200_PP_TXSIZE_5:
381 		i = (reg - R200_PP_TXSIZE_0) / 32;
382 		track->textures[i].width = (idx_value & RADEON_TEX_USIZE_MASK) + 1;
383 		track->textures[i].height = ((idx_value & RADEON_TEX_VSIZE_MASK) >> RADEON_TEX_VSIZE_SHIFT) + 1;
384 		track->tex_dirty = true;
385 		break;
386 	case R200_PP_TXPITCH_0:
387 	case R200_PP_TXPITCH_1:
388 	case R200_PP_TXPITCH_2:
389 	case R200_PP_TXPITCH_3:
390 	case R200_PP_TXPITCH_4:
391 	case R200_PP_TXPITCH_5:
392 		i = (reg - R200_PP_TXPITCH_0) / 32;
393 		track->textures[i].pitch = idx_value + 32;
394 		track->tex_dirty = true;
395 		break;
396 	case R200_PP_TXFILTER_0:
397 	case R200_PP_TXFILTER_1:
398 	case R200_PP_TXFILTER_2:
399 	case R200_PP_TXFILTER_3:
400 	case R200_PP_TXFILTER_4:
401 	case R200_PP_TXFILTER_5:
402 		i = (reg - R200_PP_TXFILTER_0) / 32;
403 		track->textures[i].num_levels = ((idx_value & R200_MAX_MIP_LEVEL_MASK)
404 						 >> R200_MAX_MIP_LEVEL_SHIFT);
405 		tmp = (idx_value >> 23) & 0x7;
406 		if (tmp == 2 || tmp == 6)
407 			track->textures[i].roundup_w = false;
408 		tmp = (idx_value >> 27) & 0x7;
409 		if (tmp == 2 || tmp == 6)
410 			track->textures[i].roundup_h = false;
411 		track->tex_dirty = true;
412 		break;
413 	case R200_PP_TXMULTI_CTL_0:
414 	case R200_PP_TXMULTI_CTL_1:
415 	case R200_PP_TXMULTI_CTL_2:
416 	case R200_PP_TXMULTI_CTL_3:
417 	case R200_PP_TXMULTI_CTL_4:
418 	case R200_PP_TXMULTI_CTL_5:
419 		i = (reg - R200_PP_TXMULTI_CTL_0) / 32;
420 		break;
421 	case R200_PP_TXFORMAT_X_0:
422 	case R200_PP_TXFORMAT_X_1:
423 	case R200_PP_TXFORMAT_X_2:
424 	case R200_PP_TXFORMAT_X_3:
425 	case R200_PP_TXFORMAT_X_4:
426 	case R200_PP_TXFORMAT_X_5:
427 		i = (reg - R200_PP_TXFORMAT_X_0) / 32;
428 		track->textures[i].txdepth = idx_value & 0x7;
429 		tmp = (idx_value >> 16) & 0x3;
430 		/* 2D, 3D, CUBE */
431 		switch (tmp) {
432 		case 0:
433 		case 3:
434 		case 4:
435 		case 5:
436 		case 6:
437 		case 7:
438 			/* 1D/2D */
439 			track->textures[i].tex_coord_type = 0;
440 			break;
441 		case 1:
442 			/* CUBE */
443 			track->textures[i].tex_coord_type = 2;
444 			break;
445 		case 2:
446 			/* 3D */
447 			track->textures[i].tex_coord_type = 1;
448 			break;
449 		}
450 		track->tex_dirty = true;
451 		break;
452 	case R200_PP_TXFORMAT_0:
453 	case R200_PP_TXFORMAT_1:
454 	case R200_PP_TXFORMAT_2:
455 	case R200_PP_TXFORMAT_3:
456 	case R200_PP_TXFORMAT_4:
457 	case R200_PP_TXFORMAT_5:
458 		i = (reg - R200_PP_TXFORMAT_0) / 32;
459 		if (idx_value & R200_TXFORMAT_NON_POWER2) {
460 			track->textures[i].use_pitch = 1;
461 		} else {
462 			track->textures[i].use_pitch = 0;
463 			track->textures[i].width = 1 << ((idx_value >> RADEON_TXFORMAT_WIDTH_SHIFT) & RADEON_TXFORMAT_WIDTH_MASK);
464 			track->textures[i].height = 1 << ((idx_value >> RADEON_TXFORMAT_HEIGHT_SHIFT) & RADEON_TXFORMAT_HEIGHT_MASK);
465 		}
466 		if (idx_value & R200_TXFORMAT_LOOKUP_DISABLE)
467 			track->textures[i].lookup_disable = true;
468 		switch ((idx_value & RADEON_TXFORMAT_FORMAT_MASK)) {
469 		case R200_TXFORMAT_I8:
470 		case R200_TXFORMAT_RGB332:
471 		case R200_TXFORMAT_Y8:
472 			track->textures[i].cpp = 1;
473 			track->textures[i].compress_format = R100_TRACK_COMP_NONE;
474 			break;
475 		case R200_TXFORMAT_AI88:
476 		case R200_TXFORMAT_ARGB1555:
477 		case R200_TXFORMAT_RGB565:
478 		case R200_TXFORMAT_ARGB4444:
479 		case R200_TXFORMAT_VYUY422:
480 		case R200_TXFORMAT_YVYU422:
481 		case R200_TXFORMAT_LDVDU655:
482 		case R200_TXFORMAT_DVDU88:
483 		case R200_TXFORMAT_AVYU4444:
484 			track->textures[i].cpp = 2;
485 			track->textures[i].compress_format = R100_TRACK_COMP_NONE;
486 			break;
487 		case R200_TXFORMAT_ARGB8888:
488 		case R200_TXFORMAT_RGBA8888:
489 		case R200_TXFORMAT_ABGR8888:
490 		case R200_TXFORMAT_BGR111110:
491 		case R200_TXFORMAT_LDVDU8888:
492 			track->textures[i].cpp = 4;
493 			track->textures[i].compress_format = R100_TRACK_COMP_NONE;
494 			break;
495 		case R200_TXFORMAT_DXT1:
496 			track->textures[i].cpp = 1;
497 			track->textures[i].compress_format = R100_TRACK_COMP_DXT1;
498 			break;
499 		case R200_TXFORMAT_DXT23:
500 		case R200_TXFORMAT_DXT45:
501 			track->textures[i].cpp = 1;
502 			track->textures[i].compress_format = R100_TRACK_COMP_DXT1;
503 			break;
504 		}
505 		track->textures[i].cube_info[4].width = 1 << ((idx_value >> 16) & 0xf);
506 		track->textures[i].cube_info[4].height = 1 << ((idx_value >> 20) & 0xf);
507 		track->tex_dirty = true;
508 		break;
509 	case R200_PP_CUBIC_FACES_0:
510 	case R200_PP_CUBIC_FACES_1:
511 	case R200_PP_CUBIC_FACES_2:
512 	case R200_PP_CUBIC_FACES_3:
513 	case R200_PP_CUBIC_FACES_4:
514 	case R200_PP_CUBIC_FACES_5:
515 		tmp = idx_value;
516 		i = (reg - R200_PP_CUBIC_FACES_0) / 32;
517 		for (face = 0; face < 4; face++) {
518 			track->textures[i].cube_info[face].width = 1 << ((tmp >> (face * 8)) & 0xf);
519 			track->textures[i].cube_info[face].height = 1 << ((tmp >> ((face * 8) + 4)) & 0xf);
520 		}
521 		track->tex_dirty = true;
522 		break;
523 	default:
524 		printk(KERN_ERR "Forbidden register 0x%04X in cs at %d\n",
525 		       reg, idx);
526 		return -EINVAL;
527 	}
528 	return 0;
529 }
530 
531 void r200_set_safe_registers(struct radeon_device *rdev)
532 {
533 	rdev->config.r100.reg_safe_bm = r200_reg_safe_bm;
534 	rdev->config.r100.reg_safe_bm_size = ARRAY_SIZE(r200_reg_safe_bm);
535 }
536