xref: /openbmc/linux/drivers/gpu/drm/radeon/r200.c (revision 8b3f6af86378d0a10ca2f1ded1da124aef13b62c)
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 
34 #include "r200_reg_safe.h"
35 
36 #include "r100_track.h"
37 
38 static int r200_get_vtx_size_0(uint32_t vtx_fmt_0)
39 {
40 	int vtx_size, i;
41 	vtx_size = 2;
42 
43 	if (vtx_fmt_0 & R200_VTX_Z0)
44 		vtx_size++;
45 	if (vtx_fmt_0 & R200_VTX_W0)
46 		vtx_size++;
47 	/* blend weight */
48 	if (vtx_fmt_0 & (0x7 << R200_VTX_WEIGHT_COUNT_SHIFT))
49 		vtx_size += (vtx_fmt_0 >> R200_VTX_WEIGHT_COUNT_SHIFT) & 0x7;
50 	if (vtx_fmt_0 & R200_VTX_PV_MATRIX_SEL)
51 		vtx_size++;
52 	if (vtx_fmt_0 & R200_VTX_N0)
53 		vtx_size += 3;
54 	if (vtx_fmt_0 & R200_VTX_POINT_SIZE)
55 		vtx_size++;
56 	if (vtx_fmt_0 & R200_VTX_DISCRETE_FOG)
57 		vtx_size++;
58 	if (vtx_fmt_0 & R200_VTX_SHININESS_0)
59 		vtx_size++;
60 	if (vtx_fmt_0 & R200_VTX_SHININESS_1)
61 		vtx_size++;
62 	for (i = 0; i < 8; i++) {
63 		int color_size = (vtx_fmt_0 >> (11 + 2*i)) & 0x3;
64 		switch (color_size) {
65 		case 0: break;
66 		case 1: vtx_size++; break;
67 		case 2: vtx_size += 3; break;
68 		case 3: vtx_size += 4; break;
69 		}
70 	}
71 	if (vtx_fmt_0 & R200_VTX_XY1)
72 		vtx_size += 2;
73 	if (vtx_fmt_0 & R200_VTX_Z1)
74 		vtx_size++;
75 	if (vtx_fmt_0 & R200_VTX_W1)
76 		vtx_size++;
77 	if (vtx_fmt_0 & R200_VTX_N1)
78 		vtx_size += 3;
79 	return vtx_size;
80 }
81 
82 static int r200_get_vtx_size_1(uint32_t vtx_fmt_1)
83 {
84 	int vtx_size, i, tex_size;
85 	vtx_size = 0;
86 	for (i = 0; i < 6; i++) {
87 		tex_size = (vtx_fmt_1 >> (i * 3)) & 0x7;
88 		if (tex_size > 4)
89 			continue;
90 		vtx_size += tex_size;
91 	}
92 	return vtx_size;
93 }
94 
95 int r200_packet0_check(struct radeon_cs_parser *p,
96 		       struct radeon_cs_packet *pkt,
97 		       unsigned idx, unsigned reg)
98 {
99 	struct radeon_cs_chunk *ib_chunk;
100 	struct radeon_cs_reloc *reloc;
101 	struct r100_cs_track *track;
102 	volatile uint32_t *ib;
103 	uint32_t tmp;
104 	int r;
105 	int i;
106 	int face;
107 	u32 tile_flags = 0;
108 
109 	ib = p->ib->ptr;
110 	ib_chunk = &p->chunks[p->chunk_ib_idx];
111 	track = (struct r100_cs_track *)p->track;
112 
113 	switch (reg) {
114 	case RADEON_CRTC_GUI_TRIG_VLINE:
115 		r = r100_cs_packet_parse_vline(p);
116 		if (r) {
117 			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
118 				  idx, reg);
119 			r100_cs_dump_packet(p, pkt);
120 			return r;
121 		}
122 		break;
123 		/* FIXME: only allow PACKET3 blit? easier to check for out of
124 		 * range access */
125 	case RADEON_DST_PITCH_OFFSET:
126 	case RADEON_SRC_PITCH_OFFSET:
127 		r = r100_reloc_pitch_offset(p, pkt, idx, reg);
128 		if (r)
129 			return r;
130 		break;
131 	case RADEON_RB3D_DEPTHOFFSET:
132 		r = r100_cs_packet_next_reloc(p, &reloc);
133 		if (r) {
134 			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
135 				  idx, reg);
136 			r100_cs_dump_packet(p, pkt);
137 			return r;
138 		}
139 		track->zb.robj = reloc->robj;
140 		track->zb.offset = ib_chunk->kdata[idx];
141 		ib[idx] = ib_chunk->kdata[idx] + ((u32)reloc->lobj.gpu_offset);
142 		break;
143 	case RADEON_RB3D_COLOROFFSET:
144 		r = r100_cs_packet_next_reloc(p, &reloc);
145 		if (r) {
146 			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
147 				  idx, reg);
148 			r100_cs_dump_packet(p, pkt);
149 			return r;
150 		}
151 		track->cb[0].robj = reloc->robj;
152 		track->cb[0].offset = ib_chunk->kdata[idx];
153 		ib[idx] = ib_chunk->kdata[idx] + ((u32)reloc->lobj.gpu_offset);
154 		break;
155 	case R200_PP_TXOFFSET_0:
156 	case R200_PP_TXOFFSET_1:
157 	case R200_PP_TXOFFSET_2:
158 	case R200_PP_TXOFFSET_3:
159 	case R200_PP_TXOFFSET_4:
160 	case R200_PP_TXOFFSET_5:
161 		i = (reg - R200_PP_TXOFFSET_0) / 24;
162 		r = r100_cs_packet_next_reloc(p, &reloc);
163 		if (r) {
164 			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
165 				  idx, reg);
166 			r100_cs_dump_packet(p, pkt);
167 			return r;
168 		}
169 		ib[idx] = ib_chunk->kdata[idx] + ((u32)reloc->lobj.gpu_offset);
170 		track->textures[i].robj = reloc->robj;
171 		break;
172 	case R200_PP_CUBIC_OFFSET_F1_0:
173 	case R200_PP_CUBIC_OFFSET_F2_0:
174 	case R200_PP_CUBIC_OFFSET_F3_0:
175 	case R200_PP_CUBIC_OFFSET_F4_0:
176 	case R200_PP_CUBIC_OFFSET_F5_0:
177 	case R200_PP_CUBIC_OFFSET_F1_1:
178 	case R200_PP_CUBIC_OFFSET_F2_1:
179 	case R200_PP_CUBIC_OFFSET_F3_1:
180 	case R200_PP_CUBIC_OFFSET_F4_1:
181 	case R200_PP_CUBIC_OFFSET_F5_1:
182 	case R200_PP_CUBIC_OFFSET_F1_2:
183 	case R200_PP_CUBIC_OFFSET_F2_2:
184 	case R200_PP_CUBIC_OFFSET_F3_2:
185 	case R200_PP_CUBIC_OFFSET_F4_2:
186 	case R200_PP_CUBIC_OFFSET_F5_2:
187 	case R200_PP_CUBIC_OFFSET_F1_3:
188 	case R200_PP_CUBIC_OFFSET_F2_3:
189 	case R200_PP_CUBIC_OFFSET_F3_3:
190 	case R200_PP_CUBIC_OFFSET_F4_3:
191 	case R200_PP_CUBIC_OFFSET_F5_3:
192 	case R200_PP_CUBIC_OFFSET_F1_4:
193 	case R200_PP_CUBIC_OFFSET_F2_4:
194 	case R200_PP_CUBIC_OFFSET_F3_4:
195 	case R200_PP_CUBIC_OFFSET_F4_4:
196 	case R200_PP_CUBIC_OFFSET_F5_4:
197 	case R200_PP_CUBIC_OFFSET_F1_5:
198 	case R200_PP_CUBIC_OFFSET_F2_5:
199 	case R200_PP_CUBIC_OFFSET_F3_5:
200 	case R200_PP_CUBIC_OFFSET_F4_5:
201 	case R200_PP_CUBIC_OFFSET_F5_5:
202 		i = (reg - R200_PP_TXOFFSET_0) / 24;
203 		face = (reg - ((i * 24) + R200_PP_TXOFFSET_0)) / 4;
204 		r = r100_cs_packet_next_reloc(p, &reloc);
205 		if (r) {
206 			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
207 				  idx, reg);
208 			r100_cs_dump_packet(p, pkt);
209 			return r;
210 		}
211 		track->textures[i].cube_info[face - 1].offset = ib_chunk->kdata[idx];
212 		ib[idx] = ib_chunk->kdata[idx] + ((u32)reloc->lobj.gpu_offset);
213 		track->textures[i].cube_info[face - 1].robj = reloc->robj;
214 		break;
215 	case RADEON_RE_WIDTH_HEIGHT:
216 		track->maxy = ((ib_chunk->kdata[idx] >> 16) & 0x7FF);
217 		break;
218 	case RADEON_RB3D_COLORPITCH:
219 		r = r100_cs_packet_next_reloc(p, &reloc);
220 		if (r) {
221 			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
222 				  idx, reg);
223 			r100_cs_dump_packet(p, pkt);
224 			return r;
225 		}
226 
227 		if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO)
228 			tile_flags |= RADEON_COLOR_TILE_ENABLE;
229 		if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO)
230 			tile_flags |= RADEON_COLOR_MICROTILE_ENABLE;
231 
232 		tmp = ib_chunk->kdata[idx] & ~(0x7 << 16);
233 		tmp |= tile_flags;
234 		ib[idx] = tmp;
235 
236 		track->cb[0].pitch = ib_chunk->kdata[idx] & RADEON_COLORPITCH_MASK;
237 		break;
238 	case RADEON_RB3D_DEPTHPITCH:
239 		track->zb.pitch = ib_chunk->kdata[idx] & RADEON_DEPTHPITCH_MASK;
240 		break;
241 	case RADEON_RB3D_CNTL:
242 		switch ((ib_chunk->kdata[idx] >> RADEON_RB3D_COLOR_FORMAT_SHIFT) & 0x1f) {
243 		case 7:
244 		case 8:
245 		case 9:
246 		case 11:
247 		case 12:
248 			track->cb[0].cpp = 1;
249 			break;
250 		case 3:
251 		case 4:
252 		case 15:
253 			track->cb[0].cpp = 2;
254 			break;
255 		case 6:
256 			track->cb[0].cpp = 4;
257 			break;
258 		default:
259 			DRM_ERROR("Invalid color buffer format (%d) !\n",
260 				  ((ib_chunk->kdata[idx] >> RADEON_RB3D_COLOR_FORMAT_SHIFT) & 0x1f));
261 			return -EINVAL;
262 		}
263 		if (ib_chunk->kdata[idx] & RADEON_DEPTHXY_OFFSET_ENABLE) {
264 			DRM_ERROR("No support for depth xy offset in kms\n");
265 			return -EINVAL;
266 		}
267 
268 		track->z_enabled = !!(ib_chunk->kdata[idx] & RADEON_Z_ENABLE);
269 		break;
270 	case RADEON_RB3D_ZSTENCILCNTL:
271 		switch (ib_chunk->kdata[idx] & 0xf) {
272 		case 0:
273 			track->zb.cpp = 2;
274 			break;
275 		case 2:
276 		case 3:
277 		case 4:
278 		case 5:
279 		case 9:
280 		case 11:
281 			track->zb.cpp = 4;
282 			break;
283 		default:
284 			break;
285 		}
286 		break;
287 	case RADEON_RB3D_ZPASS_ADDR:
288 		r = r100_cs_packet_next_reloc(p, &reloc);
289 		if (r) {
290 			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
291 				  idx, reg);
292 			r100_cs_dump_packet(p, pkt);
293 			return r;
294 		}
295 		ib[idx] = ib_chunk->kdata[idx] + ((u32)reloc->lobj.gpu_offset);
296 		break;
297 	case RADEON_PP_CNTL:
298 		{
299 			uint32_t temp = ib_chunk->kdata[idx] >> 4;
300 			for (i = 0; i < track->num_texture; i++)
301 				track->textures[i].enabled = !!(temp & (1 << i));
302 		}
303 		break;
304 	case RADEON_SE_VF_CNTL:
305 		track->vap_vf_cntl = ib_chunk->kdata[idx];
306 		break;
307 	case 0x210c:
308 		/* VAP_VF_MAX_VTX_INDX */
309 		track->max_indx = ib_chunk->kdata[idx] & 0x00FFFFFFUL;
310 		break;
311 	case R200_SE_VTX_FMT_0:
312 		track->vtx_size = r200_get_vtx_size_0(ib_chunk->kdata[idx]);
313 		break;
314 	case R200_SE_VTX_FMT_1:
315 		track->vtx_size += r200_get_vtx_size_1(ib_chunk->kdata[idx]);
316 		break;
317 	case R200_PP_TXSIZE_0:
318 	case R200_PP_TXSIZE_1:
319 	case R200_PP_TXSIZE_2:
320 	case R200_PP_TXSIZE_3:
321 	case R200_PP_TXSIZE_4:
322 	case R200_PP_TXSIZE_5:
323 		i = (reg - R200_PP_TXSIZE_0) / 32;
324 		track->textures[i].width = (ib_chunk->kdata[idx] & RADEON_TEX_USIZE_MASK) + 1;
325 		track->textures[i].height = ((ib_chunk->kdata[idx] & RADEON_TEX_VSIZE_MASK) >> RADEON_TEX_VSIZE_SHIFT) + 1;
326 		break;
327 	case R200_PP_TXPITCH_0:
328 	case R200_PP_TXPITCH_1:
329 	case R200_PP_TXPITCH_2:
330 	case R200_PP_TXPITCH_3:
331 	case R200_PP_TXPITCH_4:
332 	case R200_PP_TXPITCH_5:
333 		i = (reg - R200_PP_TXPITCH_0) / 32;
334 		track->textures[i].pitch = ib_chunk->kdata[idx] + 32;
335 		break;
336 	case R200_PP_TXFILTER_0:
337 	case R200_PP_TXFILTER_1:
338 	case R200_PP_TXFILTER_2:
339 	case R200_PP_TXFILTER_3:
340 	case R200_PP_TXFILTER_4:
341 	case R200_PP_TXFILTER_5:
342 		i = (reg - R200_PP_TXFILTER_0) / 32;
343 		track->textures[i].num_levels = ((ib_chunk->kdata[idx] & R200_MAX_MIP_LEVEL_MASK)
344 						 >> R200_MAX_MIP_LEVEL_SHIFT);
345 		tmp = (ib_chunk->kdata[idx] >> 23) & 0x7;
346 		if (tmp == 2 || tmp == 6)
347 			track->textures[i].roundup_w = false;
348 		tmp = (ib_chunk->kdata[idx] >> 27) & 0x7;
349 		if (tmp == 2 || tmp == 6)
350 			track->textures[i].roundup_h = false;
351 		break;
352 	case R200_PP_TXMULTI_CTL_0:
353 	case R200_PP_TXMULTI_CTL_1:
354 	case R200_PP_TXMULTI_CTL_2:
355 	case R200_PP_TXMULTI_CTL_3:
356 	case R200_PP_TXMULTI_CTL_4:
357 	case R200_PP_TXMULTI_CTL_5:
358 		i = (reg - R200_PP_TXMULTI_CTL_0) / 32;
359 		break;
360 	case R200_PP_TXFORMAT_X_0:
361 	case R200_PP_TXFORMAT_X_1:
362 	case R200_PP_TXFORMAT_X_2:
363 	case R200_PP_TXFORMAT_X_3:
364 	case R200_PP_TXFORMAT_X_4:
365 	case R200_PP_TXFORMAT_X_5:
366 		i = (reg - R200_PP_TXFORMAT_X_0) / 32;
367 		track->textures[i].txdepth = ib_chunk->kdata[idx] & 0x7;
368 		tmp = (ib_chunk->kdata[idx] >> 16) & 0x3;
369 		/* 2D, 3D, CUBE */
370 		switch (tmp) {
371 		case 0:
372 		case 5:
373 		case 6:
374 		case 7:
375 			track->textures[i].tex_coord_type = 0;
376 			break;
377 		case 1:
378 			track->textures[i].tex_coord_type = 1;
379 			break;
380 		case 2:
381 			track->textures[i].tex_coord_type = 2;
382 			break;
383 		}
384 		break;
385 	case R200_PP_TXFORMAT_0:
386 	case R200_PP_TXFORMAT_1:
387 	case R200_PP_TXFORMAT_2:
388 	case R200_PP_TXFORMAT_3:
389 	case R200_PP_TXFORMAT_4:
390 	case R200_PP_TXFORMAT_5:
391 		i = (reg - R200_PP_TXFORMAT_0) / 32;
392 		if (ib_chunk->kdata[idx] & R200_TXFORMAT_NON_POWER2) {
393 			track->textures[i].use_pitch = 1;
394 		} else {
395 			track->textures[i].use_pitch = 0;
396 			track->textures[i].width = 1 << ((ib_chunk->kdata[idx] >> RADEON_TXFORMAT_WIDTH_SHIFT) & RADEON_TXFORMAT_WIDTH_MASK);
397 			track->textures[i].height = 1 << ((ib_chunk->kdata[idx] >> RADEON_TXFORMAT_HEIGHT_SHIFT) & RADEON_TXFORMAT_HEIGHT_MASK);
398 		}
399 		switch ((ib_chunk->kdata[idx] & RADEON_TXFORMAT_FORMAT_MASK)) {
400 		case R200_TXFORMAT_I8:
401 		case R200_TXFORMAT_RGB332:
402 		case R200_TXFORMAT_Y8:
403 			track->textures[i].cpp = 1;
404 			break;
405 		case R200_TXFORMAT_DXT1:
406 		case R200_TXFORMAT_AI88:
407 		case R200_TXFORMAT_ARGB1555:
408 		case R200_TXFORMAT_RGB565:
409 		case R200_TXFORMAT_ARGB4444:
410 		case R200_TXFORMAT_VYUY422:
411 		case R200_TXFORMAT_YVYU422:
412 		case R200_TXFORMAT_LDVDU655:
413 		case R200_TXFORMAT_DVDU88:
414 		case R200_TXFORMAT_AVYU4444:
415 			track->textures[i].cpp = 2;
416 			break;
417 		case R200_TXFORMAT_ARGB8888:
418 		case R200_TXFORMAT_RGBA8888:
419 		case R200_TXFORMAT_ABGR8888:
420 		case R200_TXFORMAT_BGR111110:
421 		case R200_TXFORMAT_LDVDU8888:
422 		case R200_TXFORMAT_DXT23:
423 		case R200_TXFORMAT_DXT45:
424 			track->textures[i].cpp = 4;
425 			break;
426 		}
427 		track->textures[i].cube_info[4].width = 1 << ((ib_chunk->kdata[idx] >> 16) & 0xf);
428 		track->textures[i].cube_info[4].height = 1 << ((ib_chunk->kdata[idx] >> 20) & 0xf);
429 		break;
430 	case R200_PP_CUBIC_FACES_0:
431 	case R200_PP_CUBIC_FACES_1:
432 	case R200_PP_CUBIC_FACES_2:
433 	case R200_PP_CUBIC_FACES_3:
434 	case R200_PP_CUBIC_FACES_4:
435 	case R200_PP_CUBIC_FACES_5:
436 		tmp = ib_chunk->kdata[idx];
437 		i = (reg - R200_PP_CUBIC_FACES_0) / 32;
438 		for (face = 0; face < 4; face++) {
439 			track->textures[i].cube_info[face].width = 1 << ((tmp >> (face * 8)) & 0xf);
440 			track->textures[i].cube_info[face].height = 1 << ((tmp >> ((face * 8) + 4)) & 0xf);
441 		}
442 		break;
443 	default:
444 		printk(KERN_ERR "Forbidden register 0x%04X in cs at %d\n",
445 		       reg, idx);
446 		return -EINVAL;
447 	}
448 	return 0;
449 }
450 
451 int r200_init(struct radeon_device *rdev)
452 {
453 	rdev->config.r100.reg_safe_bm = r200_reg_safe_bm;
454 	rdev->config.r100.reg_safe_bm_size = ARRAY_SIZE(r200_reg_safe_bm);
455 	return 0;
456 }
457