xref: /openbmc/linux/drivers/gpu/drm/radeon/r200.c (revision e8e0929d)
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_reloc *reloc;
100 	struct r100_cs_track *track;
101 	volatile uint32_t *ib;
102 	uint32_t tmp;
103 	int r;
104 	int i;
105 	int face;
106 	u32 tile_flags = 0;
107 	u32 idx_value;
108 
109 	ib = p->ib->ptr;
110 	track = (struct r100_cs_track *)p->track;
111 	idx_value = radeon_get_ib_value(p, idx);
112 	switch (reg) {
113 	case RADEON_CRTC_GUI_TRIG_VLINE:
114 		r = r100_cs_packet_parse_vline(p);
115 		if (r) {
116 			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
117 				  idx, reg);
118 			r100_cs_dump_packet(p, pkt);
119 			return r;
120 		}
121 		break;
122 		/* FIXME: only allow PACKET3 blit? easier to check for out of
123 		 * range access */
124 	case RADEON_DST_PITCH_OFFSET:
125 	case RADEON_SRC_PITCH_OFFSET:
126 		r = r100_reloc_pitch_offset(p, pkt, idx, reg);
127 		if (r)
128 			return r;
129 		break;
130 	case RADEON_RB3D_DEPTHOFFSET:
131 		r = r100_cs_packet_next_reloc(p, &reloc);
132 		if (r) {
133 			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
134 				  idx, reg);
135 			r100_cs_dump_packet(p, pkt);
136 			return r;
137 		}
138 		track->zb.robj = reloc->robj;
139 		track->zb.offset = idx_value;
140 		ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
141 		break;
142 	case RADEON_RB3D_COLOROFFSET:
143 		r = r100_cs_packet_next_reloc(p, &reloc);
144 		if (r) {
145 			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
146 				  idx, reg);
147 			r100_cs_dump_packet(p, pkt);
148 			return r;
149 		}
150 		track->cb[0].robj = reloc->robj;
151 		track->cb[0].offset = idx_value;
152 		ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
153 		break;
154 	case R200_PP_TXOFFSET_0:
155 	case R200_PP_TXOFFSET_1:
156 	case R200_PP_TXOFFSET_2:
157 	case R200_PP_TXOFFSET_3:
158 	case R200_PP_TXOFFSET_4:
159 	case R200_PP_TXOFFSET_5:
160 		i = (reg - R200_PP_TXOFFSET_0) / 24;
161 		r = r100_cs_packet_next_reloc(p, &reloc);
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 		ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
169 		track->textures[i].robj = reloc->robj;
170 		break;
171 	case R200_PP_CUBIC_OFFSET_F1_0:
172 	case R200_PP_CUBIC_OFFSET_F2_0:
173 	case R200_PP_CUBIC_OFFSET_F3_0:
174 	case R200_PP_CUBIC_OFFSET_F4_0:
175 	case R200_PP_CUBIC_OFFSET_F5_0:
176 	case R200_PP_CUBIC_OFFSET_F1_1:
177 	case R200_PP_CUBIC_OFFSET_F2_1:
178 	case R200_PP_CUBIC_OFFSET_F3_1:
179 	case R200_PP_CUBIC_OFFSET_F4_1:
180 	case R200_PP_CUBIC_OFFSET_F5_1:
181 	case R200_PP_CUBIC_OFFSET_F1_2:
182 	case R200_PP_CUBIC_OFFSET_F2_2:
183 	case R200_PP_CUBIC_OFFSET_F3_2:
184 	case R200_PP_CUBIC_OFFSET_F4_2:
185 	case R200_PP_CUBIC_OFFSET_F5_2:
186 	case R200_PP_CUBIC_OFFSET_F1_3:
187 	case R200_PP_CUBIC_OFFSET_F2_3:
188 	case R200_PP_CUBIC_OFFSET_F3_3:
189 	case R200_PP_CUBIC_OFFSET_F4_3:
190 	case R200_PP_CUBIC_OFFSET_F5_3:
191 	case R200_PP_CUBIC_OFFSET_F1_4:
192 	case R200_PP_CUBIC_OFFSET_F2_4:
193 	case R200_PP_CUBIC_OFFSET_F3_4:
194 	case R200_PP_CUBIC_OFFSET_F4_4:
195 	case R200_PP_CUBIC_OFFSET_F5_4:
196 	case R200_PP_CUBIC_OFFSET_F1_5:
197 	case R200_PP_CUBIC_OFFSET_F2_5:
198 	case R200_PP_CUBIC_OFFSET_F3_5:
199 	case R200_PP_CUBIC_OFFSET_F4_5:
200 	case R200_PP_CUBIC_OFFSET_F5_5:
201 		i = (reg - R200_PP_TXOFFSET_0) / 24;
202 		face = (reg - ((i * 24) + R200_PP_TXOFFSET_0)) / 4;
203 		r = r100_cs_packet_next_reloc(p, &reloc);
204 		if (r) {
205 			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
206 				  idx, reg);
207 			r100_cs_dump_packet(p, pkt);
208 			return r;
209 		}
210 		track->textures[i].cube_info[face - 1].offset = idx_value;
211 		ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
212 		track->textures[i].cube_info[face - 1].robj = reloc->robj;
213 		break;
214 	case RADEON_RE_WIDTH_HEIGHT:
215 		track->maxy = ((idx_value >> 16) & 0x7FF);
216 		break;
217 	case RADEON_RB3D_COLORPITCH:
218 		r = r100_cs_packet_next_reloc(p, &reloc);
219 		if (r) {
220 			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
221 				  idx, reg);
222 			r100_cs_dump_packet(p, pkt);
223 			return r;
224 		}
225 
226 		if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO)
227 			tile_flags |= RADEON_COLOR_TILE_ENABLE;
228 		if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO)
229 			tile_flags |= RADEON_COLOR_MICROTILE_ENABLE;
230 
231 		tmp = idx_value & ~(0x7 << 16);
232 		tmp |= tile_flags;
233 		ib[idx] = tmp;
234 
235 		track->cb[0].pitch = idx_value & RADEON_COLORPITCH_MASK;
236 		break;
237 	case RADEON_RB3D_DEPTHPITCH:
238 		track->zb.pitch = idx_value & RADEON_DEPTHPITCH_MASK;
239 		break;
240 	case RADEON_RB3D_CNTL:
241 		switch ((idx_value >> RADEON_RB3D_COLOR_FORMAT_SHIFT) & 0x1f) {
242 		case 7:
243 		case 8:
244 		case 9:
245 		case 11:
246 		case 12:
247 			track->cb[0].cpp = 1;
248 			break;
249 		case 3:
250 		case 4:
251 		case 15:
252 			track->cb[0].cpp = 2;
253 			break;
254 		case 6:
255 			track->cb[0].cpp = 4;
256 			break;
257 		default:
258 			DRM_ERROR("Invalid color buffer format (%d) !\n",
259 				  ((idx_value >> RADEON_RB3D_COLOR_FORMAT_SHIFT) & 0x1f));
260 			return -EINVAL;
261 		}
262 		if (idx_value & RADEON_DEPTHXY_OFFSET_ENABLE) {
263 			DRM_ERROR("No support for depth xy offset in kms\n");
264 			return -EINVAL;
265 		}
266 
267 		track->z_enabled = !!(idx_value & RADEON_Z_ENABLE);
268 		break;
269 	case RADEON_RB3D_ZSTENCILCNTL:
270 		switch (idx_value & 0xf) {
271 		case 0:
272 			track->zb.cpp = 2;
273 			break;
274 		case 2:
275 		case 3:
276 		case 4:
277 		case 5:
278 		case 9:
279 		case 11:
280 			track->zb.cpp = 4;
281 			break;
282 		default:
283 			break;
284 		}
285 		break;
286 	case RADEON_RB3D_ZPASS_ADDR:
287 		r = r100_cs_packet_next_reloc(p, &reloc);
288 		if (r) {
289 			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
290 				  idx, reg);
291 			r100_cs_dump_packet(p, pkt);
292 			return r;
293 		}
294 		ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
295 		break;
296 	case RADEON_PP_CNTL:
297 		{
298 			uint32_t temp = idx_value >> 4;
299 			for (i = 0; i < track->num_texture; i++)
300 				track->textures[i].enabled = !!(temp & (1 << i));
301 		}
302 		break;
303 	case RADEON_SE_VF_CNTL:
304 		track->vap_vf_cntl = idx_value;
305 		break;
306 	case 0x210c:
307 		/* VAP_VF_MAX_VTX_INDX */
308 		track->max_indx = idx_value & 0x00FFFFFFUL;
309 		break;
310 	case R200_SE_VTX_FMT_0:
311 		track->vtx_size = r200_get_vtx_size_0(idx_value);
312 		break;
313 	case R200_SE_VTX_FMT_1:
314 		track->vtx_size += r200_get_vtx_size_1(idx_value);
315 		break;
316 	case R200_PP_TXSIZE_0:
317 	case R200_PP_TXSIZE_1:
318 	case R200_PP_TXSIZE_2:
319 	case R200_PP_TXSIZE_3:
320 	case R200_PP_TXSIZE_4:
321 	case R200_PP_TXSIZE_5:
322 		i = (reg - R200_PP_TXSIZE_0) / 32;
323 		track->textures[i].width = (idx_value & RADEON_TEX_USIZE_MASK) + 1;
324 		track->textures[i].height = ((idx_value & RADEON_TEX_VSIZE_MASK) >> RADEON_TEX_VSIZE_SHIFT) + 1;
325 		break;
326 	case R200_PP_TXPITCH_0:
327 	case R200_PP_TXPITCH_1:
328 	case R200_PP_TXPITCH_2:
329 	case R200_PP_TXPITCH_3:
330 	case R200_PP_TXPITCH_4:
331 	case R200_PP_TXPITCH_5:
332 		i = (reg - R200_PP_TXPITCH_0) / 32;
333 		track->textures[i].pitch = idx_value + 32;
334 		break;
335 	case R200_PP_TXFILTER_0:
336 	case R200_PP_TXFILTER_1:
337 	case R200_PP_TXFILTER_2:
338 	case R200_PP_TXFILTER_3:
339 	case R200_PP_TXFILTER_4:
340 	case R200_PP_TXFILTER_5:
341 		i = (reg - R200_PP_TXFILTER_0) / 32;
342 		track->textures[i].num_levels = ((idx_value & R200_MAX_MIP_LEVEL_MASK)
343 						 >> R200_MAX_MIP_LEVEL_SHIFT);
344 		tmp = (idx_value >> 23) & 0x7;
345 		if (tmp == 2 || tmp == 6)
346 			track->textures[i].roundup_w = false;
347 		tmp = (idx_value >> 27) & 0x7;
348 		if (tmp == 2 || tmp == 6)
349 			track->textures[i].roundup_h = false;
350 		break;
351 	case R200_PP_TXMULTI_CTL_0:
352 	case R200_PP_TXMULTI_CTL_1:
353 	case R200_PP_TXMULTI_CTL_2:
354 	case R200_PP_TXMULTI_CTL_3:
355 	case R200_PP_TXMULTI_CTL_4:
356 	case R200_PP_TXMULTI_CTL_5:
357 		i = (reg - R200_PP_TXMULTI_CTL_0) / 32;
358 		break;
359 	case R200_PP_TXFORMAT_X_0:
360 	case R200_PP_TXFORMAT_X_1:
361 	case R200_PP_TXFORMAT_X_2:
362 	case R200_PP_TXFORMAT_X_3:
363 	case R200_PP_TXFORMAT_X_4:
364 	case R200_PP_TXFORMAT_X_5:
365 		i = (reg - R200_PP_TXFORMAT_X_0) / 32;
366 		track->textures[i].txdepth = idx_value & 0x7;
367 		tmp = (idx_value >> 16) & 0x3;
368 		/* 2D, 3D, CUBE */
369 		switch (tmp) {
370 		case 0:
371 		case 5:
372 		case 6:
373 		case 7:
374 			track->textures[i].tex_coord_type = 0;
375 			break;
376 		case 1:
377 			track->textures[i].tex_coord_type = 1;
378 			break;
379 		case 2:
380 			track->textures[i].tex_coord_type = 2;
381 			break;
382 		}
383 		break;
384 	case R200_PP_TXFORMAT_0:
385 	case R200_PP_TXFORMAT_1:
386 	case R200_PP_TXFORMAT_2:
387 	case R200_PP_TXFORMAT_3:
388 	case R200_PP_TXFORMAT_4:
389 	case R200_PP_TXFORMAT_5:
390 		i = (reg - R200_PP_TXFORMAT_0) / 32;
391 		if (idx_value & R200_TXFORMAT_NON_POWER2) {
392 			track->textures[i].use_pitch = 1;
393 		} else {
394 			track->textures[i].use_pitch = 0;
395 			track->textures[i].width = 1 << ((idx_value >> RADEON_TXFORMAT_WIDTH_SHIFT) & RADEON_TXFORMAT_WIDTH_MASK);
396 			track->textures[i].height = 1 << ((idx_value >> RADEON_TXFORMAT_HEIGHT_SHIFT) & RADEON_TXFORMAT_HEIGHT_MASK);
397 		}
398 		switch ((idx_value & RADEON_TXFORMAT_FORMAT_MASK)) {
399 		case R200_TXFORMAT_I8:
400 		case R200_TXFORMAT_RGB332:
401 		case R200_TXFORMAT_Y8:
402 			track->textures[i].cpp = 1;
403 			break;
404 		case R200_TXFORMAT_DXT1:
405 		case R200_TXFORMAT_AI88:
406 		case R200_TXFORMAT_ARGB1555:
407 		case R200_TXFORMAT_RGB565:
408 		case R200_TXFORMAT_ARGB4444:
409 		case R200_TXFORMAT_VYUY422:
410 		case R200_TXFORMAT_YVYU422:
411 		case R200_TXFORMAT_LDVDU655:
412 		case R200_TXFORMAT_DVDU88:
413 		case R200_TXFORMAT_AVYU4444:
414 			track->textures[i].cpp = 2;
415 			break;
416 		case R200_TXFORMAT_ARGB8888:
417 		case R200_TXFORMAT_RGBA8888:
418 		case R200_TXFORMAT_ABGR8888:
419 		case R200_TXFORMAT_BGR111110:
420 		case R200_TXFORMAT_LDVDU8888:
421 		case R200_TXFORMAT_DXT23:
422 		case R200_TXFORMAT_DXT45:
423 			track->textures[i].cpp = 4;
424 			break;
425 		}
426 		track->textures[i].cube_info[4].width = 1 << ((idx_value >> 16) & 0xf);
427 		track->textures[i].cube_info[4].height = 1 << ((idx_value >> 20) & 0xf);
428 		break;
429 	case R200_PP_CUBIC_FACES_0:
430 	case R200_PP_CUBIC_FACES_1:
431 	case R200_PP_CUBIC_FACES_2:
432 	case R200_PP_CUBIC_FACES_3:
433 	case R200_PP_CUBIC_FACES_4:
434 	case R200_PP_CUBIC_FACES_5:
435 		tmp = idx_value;
436 		i = (reg - R200_PP_CUBIC_FACES_0) / 32;
437 		for (face = 0; face < 4; face++) {
438 			track->textures[i].cube_info[face].width = 1 << ((tmp >> (face * 8)) & 0xf);
439 			track->textures[i].cube_info[face].height = 1 << ((tmp >> ((face * 8) + 4)) & 0xf);
440 		}
441 		break;
442 	default:
443 		printk(KERN_ERR "Forbidden register 0x%04X in cs at %d\n",
444 		       reg, idx);
445 		return -EINVAL;
446 	}
447 	return 0;
448 }
449 
450 int r200_init(struct radeon_device *rdev)
451 {
452 	rdev->config.r100.reg_safe_bm = r200_reg_safe_bm;
453 	rdev->config.r100.reg_safe_bm_size = ARRAY_SIZE(r200_reg_safe_bm);
454 	return 0;
455 }
456