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 <drm/drmP.h>
29#include <drm/radeon_drm.h>
30#include "radeon_reg.h"
31#include "radeon.h"
32#include "radeon_asic.h"
33
34#include "r100d.h"
35#include "r200_reg_safe.h"
36
37#include "r100_track.h"
38
39static int r200_get_vtx_size_0(uint32_t vtx_fmt_0)
40{
41	int vtx_size, i;
42	vtx_size = 2;
43
44	if (vtx_fmt_0 & R200_VTX_Z0)
45		vtx_size++;
46	if (vtx_fmt_0 & R200_VTX_W0)
47		vtx_size++;
48	/* blend weight */
49	if (vtx_fmt_0 & (0x7 << R200_VTX_WEIGHT_COUNT_SHIFT))
50		vtx_size += (vtx_fmt_0 >> R200_VTX_WEIGHT_COUNT_SHIFT) & 0x7;
51	if (vtx_fmt_0 & R200_VTX_PV_MATRIX_SEL)
52		vtx_size++;
53	if (vtx_fmt_0 & R200_VTX_N0)
54		vtx_size += 3;
55	if (vtx_fmt_0 & R200_VTX_POINT_SIZE)
56		vtx_size++;
57	if (vtx_fmt_0 & R200_VTX_DISCRETE_FOG)
58		vtx_size++;
59	if (vtx_fmt_0 & R200_VTX_SHININESS_0)
60		vtx_size++;
61	if (vtx_fmt_0 & R200_VTX_SHININESS_1)
62		vtx_size++;
63	for (i = 0; i < 8; i++) {
64		int color_size = (vtx_fmt_0 >> (11 + 2*i)) & 0x3;
65		switch (color_size) {
66		case 0: break;
67		case 1: vtx_size++; break;
68		case 2: vtx_size += 3; break;
69		case 3: vtx_size += 4; break;
70		}
71	}
72	if (vtx_fmt_0 & R200_VTX_XY1)
73		vtx_size += 2;
74	if (vtx_fmt_0 & R200_VTX_Z1)
75		vtx_size++;
76	if (vtx_fmt_0 & R200_VTX_W1)
77		vtx_size++;
78	if (vtx_fmt_0 & R200_VTX_N1)
79		vtx_size += 3;
80	return vtx_size;
81}
82
83struct radeon_fence *r200_copy_dma(struct radeon_device *rdev,
84				   uint64_t src_offset,
85				   uint64_t dst_offset,
86				   unsigned num_gpu_pages,
87				   struct reservation_object *resv)
88{
89	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
90	struct radeon_fence *fence;
91	uint32_t size;
92	uint32_t cur_size;
93	int i, num_loops;
94	int r = 0;
95
96	/* radeon pitch is /64 */
97	size = num_gpu_pages << RADEON_GPU_PAGE_SHIFT;
98	num_loops = DIV_ROUND_UP(size, 0x1FFFFF);
99	r = radeon_ring_lock(rdev, ring, num_loops * 4 + 64);
100	if (r) {
101		DRM_ERROR("radeon: moving bo (%d).\n", r);
102		return ERR_PTR(r);
103	}
104	/* Must wait for 2D idle & clean before DMA or hangs might happen */
105	radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0));
106	radeon_ring_write(ring, (1 << 16));
107	for (i = 0; i < num_loops; i++) {
108		cur_size = size;
109		if (cur_size > 0x1FFFFF) {
110			cur_size = 0x1FFFFF;
111		}
112		size -= cur_size;
113		radeon_ring_write(ring, PACKET0(0x720, 2));
114		radeon_ring_write(ring, src_offset);
115		radeon_ring_write(ring, dst_offset);
116		radeon_ring_write(ring, cur_size | (1 << 31) | (1 << 30));
117		src_offset += cur_size;
118		dst_offset += cur_size;
119	}
120	radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0));
121	radeon_ring_write(ring, RADEON_WAIT_DMA_GUI_IDLE);
122	r = radeon_fence_emit(rdev, &fence, RADEON_RING_TYPE_GFX_INDEX);
123	if (r) {
124		radeon_ring_unlock_undo(rdev, ring);
125		return ERR_PTR(r);
126	}
127	radeon_ring_unlock_commit(rdev, ring, false);
128	return fence;
129}
130
131
132static int r200_get_vtx_size_1(uint32_t vtx_fmt_1)
133{
134	int vtx_size, i, tex_size;
135	vtx_size = 0;
136	for (i = 0; i < 6; i++) {
137		tex_size = (vtx_fmt_1 >> (i * 3)) & 0x7;
138		if (tex_size > 4)
139			continue;
140		vtx_size += tex_size;
141	}
142	return vtx_size;
143}
144
145int r200_packet0_check(struct radeon_cs_parser *p,
146		       struct radeon_cs_packet *pkt,
147		       unsigned idx, unsigned reg)
148{
149	struct radeon_bo_list *reloc;
150	struct r100_cs_track *track;
151	volatile uint32_t *ib;
152	uint32_t tmp;
153	int r;
154	int i;
155	int face;
156	u32 tile_flags = 0;
157	u32 idx_value;
158
159	ib = p->ib.ptr;
160	track = (struct r100_cs_track *)p->track;
161	idx_value = radeon_get_ib_value(p, idx);
162	switch (reg) {
163	case RADEON_CRTC_GUI_TRIG_VLINE:
164		r = r100_cs_packet_parse_vline(p);
165		if (r) {
166			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
167				  idx, reg);
168			radeon_cs_dump_packet(p, pkt);
169			return r;
170		}
171		break;
172		/* FIXME: only allow PACKET3 blit? easier to check for out of
173		 * range access */
174	case RADEON_DST_PITCH_OFFSET:
175	case RADEON_SRC_PITCH_OFFSET:
176		r = r100_reloc_pitch_offset(p, pkt, idx, reg);
177		if (r)
178			return r;
179		break;
180	case RADEON_RB3D_DEPTHOFFSET:
181		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
182		if (r) {
183			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
184				  idx, reg);
185			radeon_cs_dump_packet(p, pkt);
186			return r;
187		}
188		track->zb.robj = reloc->robj;
189		track->zb.offset = idx_value;
190		track->zb_dirty = true;
191		ib[idx] = idx_value + ((u32)reloc->gpu_offset);
192		break;
193	case RADEON_RB3D_COLOROFFSET:
194		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
195		if (r) {
196			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
197				  idx, reg);
198			radeon_cs_dump_packet(p, pkt);
199			return r;
200		}
201		track->cb[0].robj = reloc->robj;
202		track->cb[0].offset = idx_value;
203		track->cb_dirty = true;
204		ib[idx] = idx_value + ((u32)reloc->gpu_offset);
205		break;
206	case R200_PP_TXOFFSET_0:
207	case R200_PP_TXOFFSET_1:
208	case R200_PP_TXOFFSET_2:
209	case R200_PP_TXOFFSET_3:
210	case R200_PP_TXOFFSET_4:
211	case R200_PP_TXOFFSET_5:
212		i = (reg - R200_PP_TXOFFSET_0) / 24;
213		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
214		if (r) {
215			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
216				  idx, reg);
217			radeon_cs_dump_packet(p, pkt);
218			return r;
219		}
220		if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
221			if (reloc->tiling_flags & RADEON_TILING_MACRO)
222				tile_flags |= R200_TXO_MACRO_TILE;
223			if (reloc->tiling_flags & RADEON_TILING_MICRO)
224				tile_flags |= R200_TXO_MICRO_TILE;
225
226			tmp = idx_value & ~(0x7 << 2);
227			tmp |= tile_flags;
228			ib[idx] = tmp + ((u32)reloc->gpu_offset);
229		} else
230			ib[idx] = idx_value + ((u32)reloc->gpu_offset);
231		track->textures[i].robj = reloc->robj;
232		track->tex_dirty = true;
233		break;
234	case R200_PP_CUBIC_OFFSET_F1_0:
235	case R200_PP_CUBIC_OFFSET_F2_0:
236	case R200_PP_CUBIC_OFFSET_F3_0:
237	case R200_PP_CUBIC_OFFSET_F4_0:
238	case R200_PP_CUBIC_OFFSET_F5_0:
239	case R200_PP_CUBIC_OFFSET_F1_1:
240	case R200_PP_CUBIC_OFFSET_F2_1:
241	case R200_PP_CUBIC_OFFSET_F3_1:
242	case R200_PP_CUBIC_OFFSET_F4_1:
243	case R200_PP_CUBIC_OFFSET_F5_1:
244	case R200_PP_CUBIC_OFFSET_F1_2:
245	case R200_PP_CUBIC_OFFSET_F2_2:
246	case R200_PP_CUBIC_OFFSET_F3_2:
247	case R200_PP_CUBIC_OFFSET_F4_2:
248	case R200_PP_CUBIC_OFFSET_F5_2:
249	case R200_PP_CUBIC_OFFSET_F1_3:
250	case R200_PP_CUBIC_OFFSET_F2_3:
251	case R200_PP_CUBIC_OFFSET_F3_3:
252	case R200_PP_CUBIC_OFFSET_F4_3:
253	case R200_PP_CUBIC_OFFSET_F5_3:
254	case R200_PP_CUBIC_OFFSET_F1_4:
255	case R200_PP_CUBIC_OFFSET_F2_4:
256	case R200_PP_CUBIC_OFFSET_F3_4:
257	case R200_PP_CUBIC_OFFSET_F4_4:
258	case R200_PP_CUBIC_OFFSET_F5_4:
259	case R200_PP_CUBIC_OFFSET_F1_5:
260	case R200_PP_CUBIC_OFFSET_F2_5:
261	case R200_PP_CUBIC_OFFSET_F3_5:
262	case R200_PP_CUBIC_OFFSET_F4_5:
263	case R200_PP_CUBIC_OFFSET_F5_5:
264		i = (reg - R200_PP_TXOFFSET_0) / 24;
265		face = (reg - ((i * 24) + R200_PP_TXOFFSET_0)) / 4;
266		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
267		if (r) {
268			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
269				  idx, reg);
270			radeon_cs_dump_packet(p, pkt);
271			return r;
272		}
273		track->textures[i].cube_info[face - 1].offset = idx_value;
274		ib[idx] = idx_value + ((u32)reloc->gpu_offset);
275		track->textures[i].cube_info[face - 1].robj = reloc->robj;
276		track->tex_dirty = true;
277		break;
278	case RADEON_RE_WIDTH_HEIGHT:
279		track->maxy = ((idx_value >> 16) & 0x7FF);
280		track->cb_dirty = true;
281		track->zb_dirty = true;
282		break;
283	case RADEON_RB3D_COLORPITCH:
284		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
285		if (r) {
286			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
287				  idx, reg);
288			radeon_cs_dump_packet(p, pkt);
289			return r;
290		}
291
292		if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
293			if (reloc->tiling_flags & RADEON_TILING_MACRO)
294				tile_flags |= RADEON_COLOR_TILE_ENABLE;
295			if (reloc->tiling_flags & RADEON_TILING_MICRO)
296				tile_flags |= RADEON_COLOR_MICROTILE_ENABLE;
297
298			tmp = idx_value & ~(0x7 << 16);
299			tmp |= tile_flags;
300			ib[idx] = tmp;
301		} else
302			ib[idx] = idx_value;
303
304		track->cb[0].pitch = idx_value & RADEON_COLORPITCH_MASK;
305		track->cb_dirty = true;
306		break;
307	case RADEON_RB3D_DEPTHPITCH:
308		track->zb.pitch = idx_value & RADEON_DEPTHPITCH_MASK;
309		track->zb_dirty = true;
310		break;
311	case RADEON_RB3D_CNTL:
312		switch ((idx_value >> RADEON_RB3D_COLOR_FORMAT_SHIFT) & 0x1f) {
313		case 7:
314		case 8:
315		case 9:
316		case 11:
317		case 12:
318			track->cb[0].cpp = 1;
319			break;
320		case 3:
321		case 4:
322		case 15:
323			track->cb[0].cpp = 2;
324			break;
325		case 6:
326			track->cb[0].cpp = 4;
327			break;
328		default:
329			DRM_ERROR("Invalid color buffer format (%d) !\n",
330				  ((idx_value >> RADEON_RB3D_COLOR_FORMAT_SHIFT) & 0x1f));
331			return -EINVAL;
332		}
333		if (idx_value & RADEON_DEPTHXY_OFFSET_ENABLE) {
334			DRM_ERROR("No support for depth xy offset in kms\n");
335			return -EINVAL;
336		}
337
338		track->z_enabled = !!(idx_value & RADEON_Z_ENABLE);
339		track->cb_dirty = true;
340		track->zb_dirty = true;
341		break;
342	case RADEON_RB3D_ZSTENCILCNTL:
343		switch (idx_value & 0xf) {
344		case 0:
345			track->zb.cpp = 2;
346			break;
347		case 2:
348		case 3:
349		case 4:
350		case 5:
351		case 9:
352		case 11:
353			track->zb.cpp = 4;
354			break;
355		default:
356			break;
357		}
358		track->zb_dirty = true;
359		break;
360	case RADEON_RB3D_ZPASS_ADDR:
361		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
362		if (r) {
363			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
364				  idx, reg);
365			radeon_cs_dump_packet(p, pkt);
366			return r;
367		}
368		ib[idx] = idx_value + ((u32)reloc->gpu_offset);
369		break;
370	case RADEON_PP_CNTL:
371		{
372			uint32_t temp = idx_value >> 4;
373			for (i = 0; i < track->num_texture; i++)
374				track->textures[i].enabled = !!(temp & (1 << i));
375			track->tex_dirty = true;
376		}
377		break;
378	case RADEON_SE_VF_CNTL:
379		track->vap_vf_cntl = idx_value;
380		break;
381	case 0x210c:
382		/* VAP_VF_MAX_VTX_INDX */
383		track->max_indx = idx_value & 0x00FFFFFFUL;
384		break;
385	case R200_SE_VTX_FMT_0:
386		track->vtx_size = r200_get_vtx_size_0(idx_value);
387		break;
388	case R200_SE_VTX_FMT_1:
389		track->vtx_size += r200_get_vtx_size_1(idx_value);
390		break;
391	case R200_PP_TXSIZE_0:
392	case R200_PP_TXSIZE_1:
393	case R200_PP_TXSIZE_2:
394	case R200_PP_TXSIZE_3:
395	case R200_PP_TXSIZE_4:
396	case R200_PP_TXSIZE_5:
397		i = (reg - R200_PP_TXSIZE_0) / 32;
398		track->textures[i].width = (idx_value & RADEON_TEX_USIZE_MASK) + 1;
399		track->textures[i].height = ((idx_value & RADEON_TEX_VSIZE_MASK) >> RADEON_TEX_VSIZE_SHIFT) + 1;
400		track->tex_dirty = true;
401		break;
402	case R200_PP_TXPITCH_0:
403	case R200_PP_TXPITCH_1:
404	case R200_PP_TXPITCH_2:
405	case R200_PP_TXPITCH_3:
406	case R200_PP_TXPITCH_4:
407	case R200_PP_TXPITCH_5:
408		i = (reg - R200_PP_TXPITCH_0) / 32;
409		track->textures[i].pitch = idx_value + 32;
410		track->tex_dirty = true;
411		break;
412	case R200_PP_TXFILTER_0:
413	case R200_PP_TXFILTER_1:
414	case R200_PP_TXFILTER_2:
415	case R200_PP_TXFILTER_3:
416	case R200_PP_TXFILTER_4:
417	case R200_PP_TXFILTER_5:
418		i = (reg - R200_PP_TXFILTER_0) / 32;
419		track->textures[i].num_levels = ((idx_value & R200_MAX_MIP_LEVEL_MASK)
420						 >> R200_MAX_MIP_LEVEL_SHIFT);
421		tmp = (idx_value >> 23) & 0x7;
422		if (tmp == 2 || tmp == 6)
423			track->textures[i].roundup_w = false;
424		tmp = (idx_value >> 27) & 0x7;
425		if (tmp == 2 || tmp == 6)
426			track->textures[i].roundup_h = false;
427		track->tex_dirty = true;
428		break;
429	case R200_PP_TXMULTI_CTL_0:
430	case R200_PP_TXMULTI_CTL_1:
431	case R200_PP_TXMULTI_CTL_2:
432	case R200_PP_TXMULTI_CTL_3:
433	case R200_PP_TXMULTI_CTL_4:
434	case R200_PP_TXMULTI_CTL_5:
435		i = (reg - R200_PP_TXMULTI_CTL_0) / 32;
436		break;
437	case R200_PP_TXFORMAT_X_0:
438	case R200_PP_TXFORMAT_X_1:
439	case R200_PP_TXFORMAT_X_2:
440	case R200_PP_TXFORMAT_X_3:
441	case R200_PP_TXFORMAT_X_4:
442	case R200_PP_TXFORMAT_X_5:
443		i = (reg - R200_PP_TXFORMAT_X_0) / 32;
444		track->textures[i].txdepth = idx_value & 0x7;
445		tmp = (idx_value >> 16) & 0x3;
446		/* 2D, 3D, CUBE */
447		switch (tmp) {
448		case 0:
449		case 3:
450		case 4:
451		case 5:
452		case 6:
453		case 7:
454			/* 1D/2D */
455			track->textures[i].tex_coord_type = 0;
456			break;
457		case 1:
458			/* CUBE */
459			track->textures[i].tex_coord_type = 2;
460			break;
461		case 2:
462			/* 3D */
463			track->textures[i].tex_coord_type = 1;
464			break;
465		}
466		track->tex_dirty = true;
467		break;
468	case R200_PP_TXFORMAT_0:
469	case R200_PP_TXFORMAT_1:
470	case R200_PP_TXFORMAT_2:
471	case R200_PP_TXFORMAT_3:
472	case R200_PP_TXFORMAT_4:
473	case R200_PP_TXFORMAT_5:
474		i = (reg - R200_PP_TXFORMAT_0) / 32;
475		if (idx_value & R200_TXFORMAT_NON_POWER2) {
476			track->textures[i].use_pitch = 1;
477		} else {
478			track->textures[i].use_pitch = 0;
479			track->textures[i].width = 1 << ((idx_value >> RADEON_TXFORMAT_WIDTH_SHIFT) & RADEON_TXFORMAT_WIDTH_MASK);
480			track->textures[i].height = 1 << ((idx_value >> RADEON_TXFORMAT_HEIGHT_SHIFT) & RADEON_TXFORMAT_HEIGHT_MASK);
481		}
482		if (idx_value & R200_TXFORMAT_LOOKUP_DISABLE)
483			track->textures[i].lookup_disable = true;
484		switch ((idx_value & RADEON_TXFORMAT_FORMAT_MASK)) {
485		case R200_TXFORMAT_I8:
486		case R200_TXFORMAT_RGB332:
487		case R200_TXFORMAT_Y8:
488			track->textures[i].cpp = 1;
489			track->textures[i].compress_format = R100_TRACK_COMP_NONE;
490			break;
491		case R200_TXFORMAT_AI88:
492		case R200_TXFORMAT_ARGB1555:
493		case R200_TXFORMAT_RGB565:
494		case R200_TXFORMAT_ARGB4444:
495		case R200_TXFORMAT_VYUY422:
496		case R200_TXFORMAT_YVYU422:
497		case R200_TXFORMAT_LDVDU655:
498		case R200_TXFORMAT_DVDU88:
499		case R200_TXFORMAT_AVYU4444:
500			track->textures[i].cpp = 2;
501			track->textures[i].compress_format = R100_TRACK_COMP_NONE;
502			break;
503		case R200_TXFORMAT_ARGB8888:
504		case R200_TXFORMAT_RGBA8888:
505		case R200_TXFORMAT_ABGR8888:
506		case R200_TXFORMAT_BGR111110:
507		case R200_TXFORMAT_LDVDU8888:
508			track->textures[i].cpp = 4;
509			track->textures[i].compress_format = R100_TRACK_COMP_NONE;
510			break;
511		case R200_TXFORMAT_DXT1:
512			track->textures[i].cpp = 1;
513			track->textures[i].compress_format = R100_TRACK_COMP_DXT1;
514			break;
515		case R200_TXFORMAT_DXT23:
516		case R200_TXFORMAT_DXT45:
517			track->textures[i].cpp = 1;
518			track->textures[i].compress_format = R100_TRACK_COMP_DXT1;
519			break;
520		}
521		track->textures[i].cube_info[4].width = 1 << ((idx_value >> 16) & 0xf);
522		track->textures[i].cube_info[4].height = 1 << ((idx_value >> 20) & 0xf);
523		track->tex_dirty = true;
524		break;
525	case R200_PP_CUBIC_FACES_0:
526	case R200_PP_CUBIC_FACES_1:
527	case R200_PP_CUBIC_FACES_2:
528	case R200_PP_CUBIC_FACES_3:
529	case R200_PP_CUBIC_FACES_4:
530	case R200_PP_CUBIC_FACES_5:
531		tmp = idx_value;
532		i = (reg - R200_PP_CUBIC_FACES_0) / 32;
533		for (face = 0; face < 4; face++) {
534			track->textures[i].cube_info[face].width = 1 << ((tmp >> (face * 8)) & 0xf);
535			track->textures[i].cube_info[face].height = 1 << ((tmp >> ((face * 8) + 4)) & 0xf);
536		}
537		track->tex_dirty = true;
538		break;
539	default:
540		printk(KERN_ERR "Forbidden register 0x%04X in cs at %d\n",
541		       reg, idx);
542		return -EINVAL;
543	}
544	return 0;
545}
546
547void r200_set_safe_registers(struct radeon_device *rdev)
548{
549	rdev->config.r100.reg_safe_bm = r200_reg_safe_bm;
550	rdev->config.r100.reg_safe_bm_size = ARRAY_SIZE(r200_reg_safe_bm);
551}
552