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3ce0a23d JG |
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 "radeon.h" | |
3ce0a23d | 30 | #include "r600d.h" |
3ce0a23d JG |
31 | |
32 | static int r600_cs_packet_next_reloc_mm(struct radeon_cs_parser *p, | |
33 | struct radeon_cs_reloc **cs_reloc); | |
34 | static int r600_cs_packet_next_reloc_nomm(struct radeon_cs_parser *p, | |
35 | struct radeon_cs_reloc **cs_reloc); | |
36 | typedef int (*next_reloc_t)(struct radeon_cs_parser*, struct radeon_cs_reloc**); | |
37 | static next_reloc_t r600_cs_packet_next_reloc = &r600_cs_packet_next_reloc_mm; | |
38 | ||
39 | /** | |
40 | * r600_cs_packet_parse() - parse cp packet and point ib index to next packet | |
41 | * @parser: parser structure holding parsing context. | |
42 | * @pkt: where to store packet informations | |
43 | * | |
44 | * Assume that chunk_ib_index is properly set. Will return -EINVAL | |
45 | * if packet is bigger than remaining ib size. or if packets is unknown. | |
46 | **/ | |
47 | int r600_cs_packet_parse(struct radeon_cs_parser *p, | |
48 | struct radeon_cs_packet *pkt, | |
49 | unsigned idx) | |
50 | { | |
51 | struct radeon_cs_chunk *ib_chunk = &p->chunks[p->chunk_ib_idx]; | |
52 | uint32_t header; | |
53 | ||
54 | if (idx >= ib_chunk->length_dw) { | |
55 | DRM_ERROR("Can not parse packet at %d after CS end %d !\n", | |
56 | idx, ib_chunk->length_dw); | |
57 | return -EINVAL; | |
58 | } | |
513bcb46 | 59 | header = radeon_get_ib_value(p, idx); |
3ce0a23d JG |
60 | pkt->idx = idx; |
61 | pkt->type = CP_PACKET_GET_TYPE(header); | |
62 | pkt->count = CP_PACKET_GET_COUNT(header); | |
63 | pkt->one_reg_wr = 0; | |
64 | switch (pkt->type) { | |
65 | case PACKET_TYPE0: | |
66 | pkt->reg = CP_PACKET0_GET_REG(header); | |
67 | break; | |
68 | case PACKET_TYPE3: | |
69 | pkt->opcode = CP_PACKET3_GET_OPCODE(header); | |
70 | break; | |
71 | case PACKET_TYPE2: | |
72 | pkt->count = -1; | |
73 | break; | |
74 | default: | |
75 | DRM_ERROR("Unknown packet type %d at %d !\n", pkt->type, idx); | |
76 | return -EINVAL; | |
77 | } | |
78 | if ((pkt->count + 1 + pkt->idx) >= ib_chunk->length_dw) { | |
79 | DRM_ERROR("Packet (%d:%d:%d) end after CS buffer (%d) !\n", | |
80 | pkt->idx, pkt->type, pkt->count, ib_chunk->length_dw); | |
81 | return -EINVAL; | |
82 | } | |
83 | return 0; | |
84 | } | |
85 | ||
86 | /** | |
87 | * r600_cs_packet_next_reloc_mm() - parse next packet which should be reloc packet3 | |
88 | * @parser: parser structure holding parsing context. | |
89 | * @data: pointer to relocation data | |
90 | * @offset_start: starting offset | |
91 | * @offset_mask: offset mask (to align start offset on) | |
92 | * @reloc: reloc informations | |
93 | * | |
94 | * Check next packet is relocation packet3, do bo validation and compute | |
95 | * GPU offset using the provided start. | |
96 | **/ | |
97 | static int r600_cs_packet_next_reloc_mm(struct radeon_cs_parser *p, | |
98 | struct radeon_cs_reloc **cs_reloc) | |
99 | { | |
3ce0a23d JG |
100 | struct radeon_cs_chunk *relocs_chunk; |
101 | struct radeon_cs_packet p3reloc; | |
102 | unsigned idx; | |
103 | int r; | |
104 | ||
105 | if (p->chunk_relocs_idx == -1) { | |
106 | DRM_ERROR("No relocation chunk !\n"); | |
107 | return -EINVAL; | |
108 | } | |
109 | *cs_reloc = NULL; | |
3ce0a23d JG |
110 | relocs_chunk = &p->chunks[p->chunk_relocs_idx]; |
111 | r = r600_cs_packet_parse(p, &p3reloc, p->idx); | |
112 | if (r) { | |
113 | return r; | |
114 | } | |
115 | p->idx += p3reloc.count + 2; | |
116 | if (p3reloc.type != PACKET_TYPE3 || p3reloc.opcode != PACKET3_NOP) { | |
117 | DRM_ERROR("No packet3 for relocation for packet at %d.\n", | |
118 | p3reloc.idx); | |
119 | return -EINVAL; | |
120 | } | |
513bcb46 | 121 | idx = radeon_get_ib_value(p, p3reloc.idx + 1); |
3ce0a23d JG |
122 | if (idx >= relocs_chunk->length_dw) { |
123 | DRM_ERROR("Relocs at %d after relocations chunk end %d !\n", | |
124 | idx, relocs_chunk->length_dw); | |
125 | return -EINVAL; | |
126 | } | |
127 | /* FIXME: we assume reloc size is 4 dwords */ | |
128 | *cs_reloc = p->relocs_ptr[(idx / 4)]; | |
129 | return 0; | |
130 | } | |
131 | ||
132 | /** | |
133 | * r600_cs_packet_next_reloc_nomm() - parse next packet which should be reloc packet3 | |
134 | * @parser: parser structure holding parsing context. | |
135 | * @data: pointer to relocation data | |
136 | * @offset_start: starting offset | |
137 | * @offset_mask: offset mask (to align start offset on) | |
138 | * @reloc: reloc informations | |
139 | * | |
140 | * Check next packet is relocation packet3, do bo validation and compute | |
141 | * GPU offset using the provided start. | |
142 | **/ | |
143 | static int r600_cs_packet_next_reloc_nomm(struct radeon_cs_parser *p, | |
144 | struct radeon_cs_reloc **cs_reloc) | |
145 | { | |
3ce0a23d JG |
146 | struct radeon_cs_chunk *relocs_chunk; |
147 | struct radeon_cs_packet p3reloc; | |
148 | unsigned idx; | |
149 | int r; | |
150 | ||
151 | if (p->chunk_relocs_idx == -1) { | |
152 | DRM_ERROR("No relocation chunk !\n"); | |
153 | return -EINVAL; | |
154 | } | |
155 | *cs_reloc = NULL; | |
3ce0a23d JG |
156 | relocs_chunk = &p->chunks[p->chunk_relocs_idx]; |
157 | r = r600_cs_packet_parse(p, &p3reloc, p->idx); | |
158 | if (r) { | |
159 | return r; | |
160 | } | |
161 | p->idx += p3reloc.count + 2; | |
162 | if (p3reloc.type != PACKET_TYPE3 || p3reloc.opcode != PACKET3_NOP) { | |
163 | DRM_ERROR("No packet3 for relocation for packet at %d.\n", | |
164 | p3reloc.idx); | |
165 | return -EINVAL; | |
166 | } | |
513bcb46 | 167 | idx = radeon_get_ib_value(p, p3reloc.idx + 1); |
3ce0a23d JG |
168 | if (idx >= relocs_chunk->length_dw) { |
169 | DRM_ERROR("Relocs at %d after relocations chunk end %d !\n", | |
170 | idx, relocs_chunk->length_dw); | |
171 | return -EINVAL; | |
172 | } | |
173 | *cs_reloc = &p->relocs[0]; | |
174 | (*cs_reloc)->lobj.gpu_offset = (u64)relocs_chunk->kdata[idx + 3] << 32; | |
175 | (*cs_reloc)->lobj.gpu_offset |= relocs_chunk->kdata[idx + 0]; | |
176 | return 0; | |
177 | } | |
178 | ||
2f67c6e0 AD |
179 | /** |
180 | * r600_cs_packet_next_vline() - parse userspace VLINE packet | |
181 | * @parser: parser structure holding parsing context. | |
182 | * | |
183 | * Userspace sends a special sequence for VLINE waits. | |
184 | * PACKET0 - VLINE_START_END + value | |
185 | * PACKET3 - WAIT_REG_MEM poll vline status reg | |
186 | * RELOC (P3) - crtc_id in reloc. | |
187 | * | |
188 | * This function parses this and relocates the VLINE START END | |
189 | * and WAIT_REG_MEM packets to the correct crtc. | |
190 | * It also detects a switched off crtc and nulls out the | |
191 | * wait in that case. | |
192 | */ | |
193 | static int r600_cs_packet_parse_vline(struct radeon_cs_parser *p) | |
194 | { | |
195 | struct drm_mode_object *obj; | |
196 | struct drm_crtc *crtc; | |
197 | struct radeon_crtc *radeon_crtc; | |
198 | struct radeon_cs_packet p3reloc, wait_reg_mem; | |
199 | int crtc_id; | |
200 | int r; | |
201 | uint32_t header, h_idx, reg, wait_reg_mem_info; | |
202 | volatile uint32_t *ib; | |
203 | ||
204 | ib = p->ib->ptr; | |
205 | ||
206 | /* parse the WAIT_REG_MEM */ | |
207 | r = r600_cs_packet_parse(p, &wait_reg_mem, p->idx); | |
208 | if (r) | |
209 | return r; | |
210 | ||
211 | /* check its a WAIT_REG_MEM */ | |
212 | if (wait_reg_mem.type != PACKET_TYPE3 || | |
213 | wait_reg_mem.opcode != PACKET3_WAIT_REG_MEM) { | |
214 | DRM_ERROR("vline wait missing WAIT_REG_MEM segment\n"); | |
215 | r = -EINVAL; | |
216 | return r; | |
217 | } | |
218 | ||
219 | wait_reg_mem_info = radeon_get_ib_value(p, wait_reg_mem.idx + 1); | |
220 | /* bit 4 is reg (0) or mem (1) */ | |
221 | if (wait_reg_mem_info & 0x10) { | |
222 | DRM_ERROR("vline WAIT_REG_MEM waiting on MEM rather than REG\n"); | |
223 | r = -EINVAL; | |
224 | return r; | |
225 | } | |
226 | /* waiting for value to be equal */ | |
227 | if ((wait_reg_mem_info & 0x7) != 0x3) { | |
228 | DRM_ERROR("vline WAIT_REG_MEM function not equal\n"); | |
229 | r = -EINVAL; | |
230 | return r; | |
231 | } | |
232 | if ((radeon_get_ib_value(p, wait_reg_mem.idx + 2) << 2) != AVIVO_D1MODE_VLINE_STATUS) { | |
233 | DRM_ERROR("vline WAIT_REG_MEM bad reg\n"); | |
234 | r = -EINVAL; | |
235 | return r; | |
236 | } | |
237 | ||
238 | if (radeon_get_ib_value(p, wait_reg_mem.idx + 5) != AVIVO_D1MODE_VLINE_STAT) { | |
239 | DRM_ERROR("vline WAIT_REG_MEM bad bit mask\n"); | |
240 | r = -EINVAL; | |
241 | return r; | |
242 | } | |
243 | ||
244 | /* jump over the NOP */ | |
245 | r = r600_cs_packet_parse(p, &p3reloc, p->idx + wait_reg_mem.count + 2); | |
246 | if (r) | |
247 | return r; | |
248 | ||
249 | h_idx = p->idx - 2; | |
250 | p->idx += wait_reg_mem.count + 2; | |
251 | p->idx += p3reloc.count + 2; | |
252 | ||
253 | header = radeon_get_ib_value(p, h_idx); | |
254 | crtc_id = radeon_get_ib_value(p, h_idx + 2 + 7 + 1); | |
255 | reg = header >> 2; | |
256 | mutex_lock(&p->rdev->ddev->mode_config.mutex); | |
257 | obj = drm_mode_object_find(p->rdev->ddev, crtc_id, DRM_MODE_OBJECT_CRTC); | |
258 | if (!obj) { | |
259 | DRM_ERROR("cannot find crtc %d\n", crtc_id); | |
260 | r = -EINVAL; | |
261 | goto out; | |
262 | } | |
263 | crtc = obj_to_crtc(obj); | |
264 | radeon_crtc = to_radeon_crtc(crtc); | |
265 | crtc_id = radeon_crtc->crtc_id; | |
266 | ||
267 | if (!crtc->enabled) { | |
268 | /* if the CRTC isn't enabled - we need to nop out the WAIT_REG_MEM */ | |
269 | ib[h_idx + 2] = PACKET2(0); | |
270 | ib[h_idx + 3] = PACKET2(0); | |
271 | ib[h_idx + 4] = PACKET2(0); | |
272 | ib[h_idx + 5] = PACKET2(0); | |
273 | ib[h_idx + 6] = PACKET2(0); | |
274 | ib[h_idx + 7] = PACKET2(0); | |
275 | ib[h_idx + 8] = PACKET2(0); | |
276 | } else if (crtc_id == 1) { | |
277 | switch (reg) { | |
278 | case AVIVO_D1MODE_VLINE_START_END: | |
279 | header &= ~R600_CP_PACKET0_REG_MASK; | |
280 | header |= AVIVO_D2MODE_VLINE_START_END >> 2; | |
281 | break; | |
282 | default: | |
283 | DRM_ERROR("unknown crtc reloc\n"); | |
284 | r = -EINVAL; | |
285 | goto out; | |
286 | } | |
287 | ib[h_idx] = header; | |
288 | ib[h_idx + 4] = AVIVO_D2MODE_VLINE_STATUS >> 2; | |
289 | } | |
290 | out: | |
291 | mutex_unlock(&p->rdev->ddev->mode_config.mutex); | |
292 | return r; | |
293 | } | |
294 | ||
3ce0a23d JG |
295 | static int r600_packet0_check(struct radeon_cs_parser *p, |
296 | struct radeon_cs_packet *pkt, | |
297 | unsigned idx, unsigned reg) | |
298 | { | |
2f67c6e0 AD |
299 | int r; |
300 | ||
3ce0a23d JG |
301 | switch (reg) { |
302 | case AVIVO_D1MODE_VLINE_START_END: | |
2f67c6e0 AD |
303 | r = r600_cs_packet_parse_vline(p); |
304 | if (r) { | |
305 | DRM_ERROR("No reloc for ib[%d]=0x%04X\n", | |
306 | idx, reg); | |
307 | return r; | |
308 | } | |
3ce0a23d JG |
309 | break; |
310 | default: | |
311 | printk(KERN_ERR "Forbidden register 0x%04X in cs at %d\n", | |
312 | reg, idx); | |
313 | return -EINVAL; | |
314 | } | |
315 | return 0; | |
316 | } | |
317 | ||
318 | static int r600_cs_parse_packet0(struct radeon_cs_parser *p, | |
319 | struct radeon_cs_packet *pkt) | |
320 | { | |
321 | unsigned reg, i; | |
322 | unsigned idx; | |
323 | int r; | |
324 | ||
325 | idx = pkt->idx + 1; | |
326 | reg = pkt->reg; | |
327 | for (i = 0; i <= pkt->count; i++, idx++, reg += 4) { | |
328 | r = r600_packet0_check(p, pkt, idx, reg); | |
329 | if (r) { | |
330 | return r; | |
331 | } | |
332 | } | |
333 | return 0; | |
334 | } | |
335 | ||
336 | static int r600_packet3_check(struct radeon_cs_parser *p, | |
337 | struct radeon_cs_packet *pkt) | |
338 | { | |
3ce0a23d JG |
339 | struct radeon_cs_reloc *reloc; |
340 | volatile u32 *ib; | |
341 | unsigned idx; | |
342 | unsigned i; | |
343 | unsigned start_reg, end_reg, reg; | |
344 | int r; | |
adea4796 | 345 | u32 idx_value; |
3ce0a23d JG |
346 | |
347 | ib = p->ib->ptr; | |
3ce0a23d | 348 | idx = pkt->idx + 1; |
adea4796 | 349 | idx_value = radeon_get_ib_value(p, idx); |
513bcb46 | 350 | |
3ce0a23d JG |
351 | switch (pkt->opcode) { |
352 | case PACKET3_START_3D_CMDBUF: | |
353 | if (p->family >= CHIP_RV770 || pkt->count) { | |
354 | DRM_ERROR("bad START_3D\n"); | |
355 | return -EINVAL; | |
356 | } | |
357 | break; | |
358 | case PACKET3_CONTEXT_CONTROL: | |
359 | if (pkt->count != 1) { | |
360 | DRM_ERROR("bad CONTEXT_CONTROL\n"); | |
361 | return -EINVAL; | |
362 | } | |
363 | break; | |
364 | case PACKET3_INDEX_TYPE: | |
365 | case PACKET3_NUM_INSTANCES: | |
366 | if (pkt->count) { | |
367 | DRM_ERROR("bad INDEX_TYPE/NUM_INSTANCES\n"); | |
368 | return -EINVAL; | |
369 | } | |
370 | break; | |
371 | case PACKET3_DRAW_INDEX: | |
372 | if (pkt->count != 3) { | |
373 | DRM_ERROR("bad DRAW_INDEX\n"); | |
374 | return -EINVAL; | |
375 | } | |
376 | r = r600_cs_packet_next_reloc(p, &reloc); | |
377 | if (r) { | |
378 | DRM_ERROR("bad DRAW_INDEX\n"); | |
379 | return -EINVAL; | |
380 | } | |
adea4796 | 381 | ib[idx+0] = idx_value + (u32)(reloc->lobj.gpu_offset & 0xffffffff); |
210bed8f | 382 | ib[idx+1] += upper_32_bits(reloc->lobj.gpu_offset) & 0xff; |
3ce0a23d JG |
383 | break; |
384 | case PACKET3_DRAW_INDEX_AUTO: | |
385 | if (pkt->count != 1) { | |
386 | DRM_ERROR("bad DRAW_INDEX_AUTO\n"); | |
387 | return -EINVAL; | |
388 | } | |
389 | break; | |
390 | case PACKET3_DRAW_INDEX_IMMD_BE: | |
391 | case PACKET3_DRAW_INDEX_IMMD: | |
392 | if (pkt->count < 2) { | |
393 | DRM_ERROR("bad DRAW_INDEX_IMMD\n"); | |
394 | return -EINVAL; | |
395 | } | |
396 | break; | |
397 | case PACKET3_WAIT_REG_MEM: | |
398 | if (pkt->count != 5) { | |
399 | DRM_ERROR("bad WAIT_REG_MEM\n"); | |
400 | return -EINVAL; | |
401 | } | |
402 | /* bit 4 is reg (0) or mem (1) */ | |
adea4796 | 403 | if (idx_value & 0x10) { |
3ce0a23d JG |
404 | r = r600_cs_packet_next_reloc(p, &reloc); |
405 | if (r) { | |
406 | DRM_ERROR("bad WAIT_REG_MEM\n"); | |
407 | return -EINVAL; | |
408 | } | |
409 | ib[idx+1] += (u32)(reloc->lobj.gpu_offset & 0xffffffff); | |
210bed8f | 410 | ib[idx+2] += upper_32_bits(reloc->lobj.gpu_offset) & 0xff; |
3ce0a23d JG |
411 | } |
412 | break; | |
413 | case PACKET3_SURFACE_SYNC: | |
414 | if (pkt->count != 3) { | |
415 | DRM_ERROR("bad SURFACE_SYNC\n"); | |
416 | return -EINVAL; | |
417 | } | |
418 | /* 0xffffffff/0x0 is flush all cache flag */ | |
513bcb46 DA |
419 | if (radeon_get_ib_value(p, idx + 1) != 0xffffffff || |
420 | radeon_get_ib_value(p, idx + 2) != 0) { | |
3ce0a23d JG |
421 | r = r600_cs_packet_next_reloc(p, &reloc); |
422 | if (r) { | |
423 | DRM_ERROR("bad SURFACE_SYNC\n"); | |
424 | return -EINVAL; | |
425 | } | |
426 | ib[idx+2] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff); | |
427 | } | |
428 | break; | |
429 | case PACKET3_EVENT_WRITE: | |
430 | if (pkt->count != 2 && pkt->count != 0) { | |
431 | DRM_ERROR("bad EVENT_WRITE\n"); | |
432 | return -EINVAL; | |
433 | } | |
434 | if (pkt->count) { | |
435 | r = r600_cs_packet_next_reloc(p, &reloc); | |
436 | if (r) { | |
437 | DRM_ERROR("bad EVENT_WRITE\n"); | |
438 | return -EINVAL; | |
439 | } | |
440 | ib[idx+1] += (u32)(reloc->lobj.gpu_offset & 0xffffffff); | |
210bed8f | 441 | ib[idx+2] += upper_32_bits(reloc->lobj.gpu_offset) & 0xff; |
3ce0a23d JG |
442 | } |
443 | break; | |
444 | case PACKET3_EVENT_WRITE_EOP: | |
445 | if (pkt->count != 4) { | |
446 | DRM_ERROR("bad EVENT_WRITE_EOP\n"); | |
447 | return -EINVAL; | |
448 | } | |
449 | r = r600_cs_packet_next_reloc(p, &reloc); | |
450 | if (r) { | |
451 | DRM_ERROR("bad EVENT_WRITE\n"); | |
452 | return -EINVAL; | |
453 | } | |
454 | ib[idx+1] += (u32)(reloc->lobj.gpu_offset & 0xffffffff); | |
210bed8f | 455 | ib[idx+2] += upper_32_bits(reloc->lobj.gpu_offset) & 0xff; |
3ce0a23d JG |
456 | break; |
457 | case PACKET3_SET_CONFIG_REG: | |
adea4796 | 458 | start_reg = (idx_value << 2) + PACKET3_SET_CONFIG_REG_OFFSET; |
3ce0a23d JG |
459 | end_reg = 4 * pkt->count + start_reg - 4; |
460 | if ((start_reg < PACKET3_SET_CONFIG_REG_OFFSET) || | |
461 | (start_reg >= PACKET3_SET_CONFIG_REG_END) || | |
462 | (end_reg >= PACKET3_SET_CONFIG_REG_END)) { | |
463 | DRM_ERROR("bad PACKET3_SET_CONFIG_REG\n"); | |
464 | return -EINVAL; | |
465 | } | |
466 | for (i = 0; i < pkt->count; i++) { | |
467 | reg = start_reg + (4 * i); | |
468 | switch (reg) { | |
469 | case CP_COHER_BASE: | |
470 | /* use PACKET3_SURFACE_SYNC */ | |
471 | return -EINVAL; | |
472 | default: | |
473 | break; | |
474 | } | |
475 | } | |
476 | break; | |
477 | case PACKET3_SET_CONTEXT_REG: | |
adea4796 | 478 | start_reg = (idx_value << 2) + PACKET3_SET_CONTEXT_REG_OFFSET; |
3ce0a23d JG |
479 | end_reg = 4 * pkt->count + start_reg - 4; |
480 | if ((start_reg < PACKET3_SET_CONTEXT_REG_OFFSET) || | |
481 | (start_reg >= PACKET3_SET_CONTEXT_REG_END) || | |
482 | (end_reg >= PACKET3_SET_CONTEXT_REG_END)) { | |
483 | DRM_ERROR("bad PACKET3_SET_CONTEXT_REG\n"); | |
484 | return -EINVAL; | |
485 | } | |
486 | for (i = 0; i < pkt->count; i++) { | |
487 | reg = start_reg + (4 * i); | |
488 | switch (reg) { | |
489 | case DB_DEPTH_BASE: | |
490 | case CB_COLOR0_BASE: | |
491 | case CB_COLOR1_BASE: | |
492 | case CB_COLOR2_BASE: | |
493 | case CB_COLOR3_BASE: | |
494 | case CB_COLOR4_BASE: | |
495 | case CB_COLOR5_BASE: | |
496 | case CB_COLOR6_BASE: | |
497 | case CB_COLOR7_BASE: | |
498 | case SQ_PGM_START_FS: | |
499 | case SQ_PGM_START_ES: | |
500 | case SQ_PGM_START_VS: | |
501 | case SQ_PGM_START_GS: | |
502 | case SQ_PGM_START_PS: | |
503 | r = r600_cs_packet_next_reloc(p, &reloc); | |
504 | if (r) { | |
505 | DRM_ERROR("bad SET_CONTEXT_REG " | |
506 | "0x%04X\n", reg); | |
507 | return -EINVAL; | |
508 | } | |
509 | ib[idx+1+i] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff); | |
510 | break; | |
511 | case VGT_DMA_BASE: | |
512 | case VGT_DMA_BASE_HI: | |
513 | /* These should be handled by DRAW_INDEX packet 3 */ | |
514 | case VGT_STRMOUT_BASE_OFFSET_0: | |
515 | case VGT_STRMOUT_BASE_OFFSET_1: | |
516 | case VGT_STRMOUT_BASE_OFFSET_2: | |
517 | case VGT_STRMOUT_BASE_OFFSET_3: | |
518 | case VGT_STRMOUT_BASE_OFFSET_HI_0: | |
519 | case VGT_STRMOUT_BASE_OFFSET_HI_1: | |
520 | case VGT_STRMOUT_BASE_OFFSET_HI_2: | |
521 | case VGT_STRMOUT_BASE_OFFSET_HI_3: | |
522 | case VGT_STRMOUT_BUFFER_BASE_0: | |
523 | case VGT_STRMOUT_BUFFER_BASE_1: | |
524 | case VGT_STRMOUT_BUFFER_BASE_2: | |
525 | case VGT_STRMOUT_BUFFER_BASE_3: | |
526 | case VGT_STRMOUT_BUFFER_OFFSET_0: | |
527 | case VGT_STRMOUT_BUFFER_OFFSET_1: | |
528 | case VGT_STRMOUT_BUFFER_OFFSET_2: | |
529 | case VGT_STRMOUT_BUFFER_OFFSET_3: | |
530 | /* These should be handled by STRMOUT_BUFFER packet 3 */ | |
531 | DRM_ERROR("bad context reg: 0x%08x\n", reg); | |
532 | return -EINVAL; | |
533 | default: | |
534 | break; | |
535 | } | |
536 | } | |
537 | break; | |
538 | case PACKET3_SET_RESOURCE: | |
539 | if (pkt->count % 7) { | |
540 | DRM_ERROR("bad SET_RESOURCE\n"); | |
541 | return -EINVAL; | |
542 | } | |
adea4796 | 543 | start_reg = (idx_value << 2) + PACKET3_SET_RESOURCE_OFFSET; |
3ce0a23d JG |
544 | end_reg = 4 * pkt->count + start_reg - 4; |
545 | if ((start_reg < PACKET3_SET_RESOURCE_OFFSET) || | |
546 | (start_reg >= PACKET3_SET_RESOURCE_END) || | |
547 | (end_reg >= PACKET3_SET_RESOURCE_END)) { | |
548 | DRM_ERROR("bad SET_RESOURCE\n"); | |
549 | return -EINVAL; | |
550 | } | |
551 | for (i = 0; i < (pkt->count / 7); i++) { | |
adea4796 | 552 | switch (G__SQ_VTX_CONSTANT_TYPE(radeon_get_ib_value(p, idx+(i*7)+6+1))) { |
3ce0a23d JG |
553 | case SQ_TEX_VTX_VALID_TEXTURE: |
554 | /* tex base */ | |
555 | r = r600_cs_packet_next_reloc(p, &reloc); | |
556 | if (r) { | |
557 | DRM_ERROR("bad SET_RESOURCE\n"); | |
558 | return -EINVAL; | |
559 | } | |
560 | ib[idx+1+(i*7)+2] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff); | |
561 | /* tex mip base */ | |
562 | r = r600_cs_packet_next_reloc(p, &reloc); | |
563 | if (r) { | |
564 | DRM_ERROR("bad SET_RESOURCE\n"); | |
565 | return -EINVAL; | |
566 | } | |
567 | ib[idx+1+(i*7)+3] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff); | |
568 | break; | |
569 | case SQ_TEX_VTX_VALID_BUFFER: | |
570 | /* vtx base */ | |
571 | r = r600_cs_packet_next_reloc(p, &reloc); | |
572 | if (r) { | |
573 | DRM_ERROR("bad SET_RESOURCE\n"); | |
574 | return -EINVAL; | |
575 | } | |
576 | ib[idx+1+(i*7)+0] += (u32)((reloc->lobj.gpu_offset) & 0xffffffff); | |
210bed8f | 577 | ib[idx+1+(i*7)+2] += upper_32_bits(reloc->lobj.gpu_offset) & 0xff; |
3ce0a23d JG |
578 | break; |
579 | case SQ_TEX_VTX_INVALID_TEXTURE: | |
580 | case SQ_TEX_VTX_INVALID_BUFFER: | |
581 | default: | |
582 | DRM_ERROR("bad SET_RESOURCE\n"); | |
583 | return -EINVAL; | |
584 | } | |
585 | } | |
586 | break; | |
587 | case PACKET3_SET_ALU_CONST: | |
adea4796 | 588 | start_reg = (idx_value << 2) + PACKET3_SET_ALU_CONST_OFFSET; |
3ce0a23d JG |
589 | end_reg = 4 * pkt->count + start_reg - 4; |
590 | if ((start_reg < PACKET3_SET_ALU_CONST_OFFSET) || | |
591 | (start_reg >= PACKET3_SET_ALU_CONST_END) || | |
592 | (end_reg >= PACKET3_SET_ALU_CONST_END)) { | |
593 | DRM_ERROR("bad SET_ALU_CONST\n"); | |
594 | return -EINVAL; | |
595 | } | |
596 | break; | |
597 | case PACKET3_SET_BOOL_CONST: | |
adea4796 | 598 | start_reg = (idx_value << 2) + PACKET3_SET_BOOL_CONST_OFFSET; |
3ce0a23d JG |
599 | end_reg = 4 * pkt->count + start_reg - 4; |
600 | if ((start_reg < PACKET3_SET_BOOL_CONST_OFFSET) || | |
601 | (start_reg >= PACKET3_SET_BOOL_CONST_END) || | |
602 | (end_reg >= PACKET3_SET_BOOL_CONST_END)) { | |
603 | DRM_ERROR("bad SET_BOOL_CONST\n"); | |
604 | return -EINVAL; | |
605 | } | |
606 | break; | |
607 | case PACKET3_SET_LOOP_CONST: | |
adea4796 | 608 | start_reg = (idx_value << 2) + PACKET3_SET_LOOP_CONST_OFFSET; |
3ce0a23d JG |
609 | end_reg = 4 * pkt->count + start_reg - 4; |
610 | if ((start_reg < PACKET3_SET_LOOP_CONST_OFFSET) || | |
611 | (start_reg >= PACKET3_SET_LOOP_CONST_END) || | |
612 | (end_reg >= PACKET3_SET_LOOP_CONST_END)) { | |
613 | DRM_ERROR("bad SET_LOOP_CONST\n"); | |
614 | return -EINVAL; | |
615 | } | |
616 | break; | |
617 | case PACKET3_SET_CTL_CONST: | |
adea4796 | 618 | start_reg = (idx_value << 2) + PACKET3_SET_CTL_CONST_OFFSET; |
3ce0a23d JG |
619 | end_reg = 4 * pkt->count + start_reg - 4; |
620 | if ((start_reg < PACKET3_SET_CTL_CONST_OFFSET) || | |
621 | (start_reg >= PACKET3_SET_CTL_CONST_END) || | |
622 | (end_reg >= PACKET3_SET_CTL_CONST_END)) { | |
623 | DRM_ERROR("bad SET_CTL_CONST\n"); | |
624 | return -EINVAL; | |
625 | } | |
626 | break; | |
627 | case PACKET3_SET_SAMPLER: | |
628 | if (pkt->count % 3) { | |
629 | DRM_ERROR("bad SET_SAMPLER\n"); | |
630 | return -EINVAL; | |
631 | } | |
adea4796 | 632 | start_reg = (idx_value << 2) + PACKET3_SET_SAMPLER_OFFSET; |
3ce0a23d JG |
633 | end_reg = 4 * pkt->count + start_reg - 4; |
634 | if ((start_reg < PACKET3_SET_SAMPLER_OFFSET) || | |
635 | (start_reg >= PACKET3_SET_SAMPLER_END) || | |
636 | (end_reg >= PACKET3_SET_SAMPLER_END)) { | |
637 | DRM_ERROR("bad SET_SAMPLER\n"); | |
638 | return -EINVAL; | |
639 | } | |
640 | break; | |
641 | case PACKET3_SURFACE_BASE_UPDATE: | |
642 | if (p->family >= CHIP_RV770 || p->family == CHIP_R600) { | |
643 | DRM_ERROR("bad SURFACE_BASE_UPDATE\n"); | |
644 | return -EINVAL; | |
645 | } | |
646 | if (pkt->count) { | |
647 | DRM_ERROR("bad SURFACE_BASE_UPDATE\n"); | |
648 | return -EINVAL; | |
649 | } | |
650 | break; | |
651 | case PACKET3_NOP: | |
652 | break; | |
653 | default: | |
654 | DRM_ERROR("Packet3 opcode %x not supported\n", pkt->opcode); | |
655 | return -EINVAL; | |
656 | } | |
657 | return 0; | |
658 | } | |
659 | ||
660 | int r600_cs_parse(struct radeon_cs_parser *p) | |
661 | { | |
662 | struct radeon_cs_packet pkt; | |
663 | int r; | |
664 | ||
665 | do { | |
666 | r = r600_cs_packet_parse(p, &pkt, p->idx); | |
667 | if (r) { | |
668 | return r; | |
669 | } | |
670 | p->idx += pkt.count + 2; | |
671 | switch (pkt.type) { | |
672 | case PACKET_TYPE0: | |
673 | r = r600_cs_parse_packet0(p, &pkt); | |
674 | break; | |
675 | case PACKET_TYPE2: | |
676 | break; | |
677 | case PACKET_TYPE3: | |
678 | r = r600_packet3_check(p, &pkt); | |
679 | break; | |
680 | default: | |
681 | DRM_ERROR("Unknown packet type %d !\n", pkt.type); | |
682 | return -EINVAL; | |
683 | } | |
684 | if (r) { | |
685 | return r; | |
686 | } | |
687 | } while (p->idx < p->chunks[p->chunk_ib_idx].length_dw); | |
688 | #if 0 | |
689 | for (r = 0; r < p->ib->length_dw; r++) { | |
690 | printk(KERN_INFO "%05d 0x%08X\n", r, p->ib->ptr[r]); | |
691 | mdelay(1); | |
692 | } | |
693 | #endif | |
694 | return 0; | |
695 | } | |
696 | ||
697 | static int r600_cs_parser_relocs_legacy(struct radeon_cs_parser *p) | |
698 | { | |
699 | if (p->chunk_relocs_idx == -1) { | |
700 | return 0; | |
701 | } | |
702 | p->relocs = kcalloc(1, sizeof(struct radeon_cs_reloc), GFP_KERNEL); | |
703 | if (p->relocs == NULL) { | |
704 | return -ENOMEM; | |
705 | } | |
706 | return 0; | |
707 | } | |
708 | ||
709 | /** | |
710 | * cs_parser_fini() - clean parser states | |
711 | * @parser: parser structure holding parsing context. | |
712 | * @error: error number | |
713 | * | |
714 | * If error is set than unvalidate buffer, otherwise just free memory | |
715 | * used by parsing context. | |
716 | **/ | |
717 | static void r600_cs_parser_fini(struct radeon_cs_parser *parser, int error) | |
718 | { | |
719 | unsigned i; | |
720 | ||
721 | kfree(parser->relocs); | |
722 | for (i = 0; i < parser->nchunks; i++) { | |
723 | kfree(parser->chunks[i].kdata); | |
4c57edba DA |
724 | kfree(parser->chunks[i].kpage[0]); |
725 | kfree(parser->chunks[i].kpage[1]); | |
3ce0a23d JG |
726 | } |
727 | kfree(parser->chunks); | |
728 | kfree(parser->chunks_array); | |
729 | } | |
730 | ||
731 | int r600_cs_legacy(struct drm_device *dev, void *data, struct drm_file *filp, | |
732 | unsigned family, u32 *ib, int *l) | |
733 | { | |
734 | struct radeon_cs_parser parser; | |
735 | struct radeon_cs_chunk *ib_chunk; | |
736 | struct radeon_ib fake_ib; | |
737 | int r; | |
738 | ||
739 | /* initialize parser */ | |
740 | memset(&parser, 0, sizeof(struct radeon_cs_parser)); | |
741 | parser.filp = filp; | |
742 | parser.rdev = NULL; | |
743 | parser.family = family; | |
744 | parser.ib = &fake_ib; | |
745 | fake_ib.ptr = ib; | |
746 | r = radeon_cs_parser_init(&parser, data); | |
747 | if (r) { | |
748 | DRM_ERROR("Failed to initialize parser !\n"); | |
749 | r600_cs_parser_fini(&parser, r); | |
750 | return r; | |
751 | } | |
752 | r = r600_cs_parser_relocs_legacy(&parser); | |
753 | if (r) { | |
754 | DRM_ERROR("Failed to parse relocation !\n"); | |
755 | r600_cs_parser_fini(&parser, r); | |
756 | return r; | |
757 | } | |
758 | /* Copy the packet into the IB, the parser will read from the | |
759 | * input memory (cached) and write to the IB (which can be | |
760 | * uncached). */ | |
761 | ib_chunk = &parser.chunks[parser.chunk_ib_idx]; | |
762 | parser.ib->length_dw = ib_chunk->length_dw; | |
3ce0a23d JG |
763 | *l = parser.ib->length_dw; |
764 | r = r600_cs_parse(&parser); | |
765 | if (r) { | |
766 | DRM_ERROR("Invalid command stream !\n"); | |
767 | r600_cs_parser_fini(&parser, r); | |
768 | return r; | |
769 | } | |
513bcb46 DA |
770 | r = radeon_cs_finish_pages(&parser); |
771 | if (r) { | |
772 | DRM_ERROR("Invalid command stream !\n"); | |
773 | r600_cs_parser_fini(&parser, r); | |
774 | return r; | |
775 | } | |
3ce0a23d JG |
776 | r600_cs_parser_fini(&parser, r); |
777 | return r; | |
778 | } | |
779 | ||
780 | void r600_cs_legacy_init(void) | |
781 | { | |
782 | r600_cs_packet_next_reloc = &r600_cs_packet_next_reloc_nomm; | |
783 | } |