1 /*
2 * Copyright 2011-2013 Maarten Lankhorst
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 */
22
23 #include "nvc0/nvc0_video.h"
24
25 #if NOUVEAU_VP3_DEBUG_FENCE
dump_comm_bsp(struct comm * comm)26 static void dump_comm_bsp(struct comm *comm)
27 {
28 unsigned idx = comm->bsp_cur_index & 0xf;
29 debug_printf("Cur seq: %x, bsp byte ofs: %x\n", comm->bsp_cur_index, comm->byte_ofs);
30 debug_printf("Status: %08x, pos: %08x\n", comm->status[idx], comm->pos[idx]);
31 }
32 #endif
33
34 unsigned
nvc0_decoder_bsp_begin(struct nouveau_vp3_decoder * dec,unsigned comm_seq)35 nvc0_decoder_bsp_begin(struct nouveau_vp3_decoder *dec, unsigned comm_seq)
36 {
37 struct nouveau_bo *bsp_bo = dec->bsp_bo[comm_seq % NOUVEAU_VP3_VIDEO_QDEPTH];
38 unsigned ret = 0;
39
40 ret = nouveau_bo_map(bsp_bo, NOUVEAU_BO_WR, dec->client);
41 if (ret) {
42 debug_printf("map failed: %i %s\n", ret, strerror(-ret));
43 return -1;
44 }
45
46 nouveau_vp3_bsp_begin(dec);
47
48 return 2;
49 }
50
51 unsigned
nvc0_decoder_bsp_next(struct nouveau_vp3_decoder * dec,unsigned comm_seq,unsigned num_buffers,const void * const * data,const unsigned * num_bytes)52 nvc0_decoder_bsp_next(struct nouveau_vp3_decoder *dec,
53 unsigned comm_seq, unsigned num_buffers,
54 const void *const *data, const unsigned *num_bytes)
55 {
56 struct nouveau_bo *bsp_bo = dec->bsp_bo[comm_seq % NOUVEAU_VP3_VIDEO_QDEPTH];
57 struct nouveau_bo *inter_bo = dec->inter_bo[comm_seq & 1];
58 uint32_t bsp_size = 0;
59 uint32_t i = 0;
60 unsigned ret = 0;
61
62 bsp_size = dec->bsp_ptr - (char *)bsp_bo->map;
63 for (i = 0; i < num_buffers; i++)
64 bsp_size += num_bytes[i];
65 bsp_size += 256; /* the 4 end markers */
66
67 if (bsp_size > bsp_bo->size) {
68 union nouveau_bo_config cfg;
69 struct nouveau_bo *tmp_bo = NULL;
70
71 cfg.nvc0.tile_mode = 0x10;
72 cfg.nvc0.memtype = 0xfe;
73
74 /* round up to the nearest mb */
75 bsp_size += (1 << 20) - 1;
76 bsp_size &= ~((1 << 20) - 1);
77
78 ret = nouveau_bo_new(dec->client->device, NOUVEAU_BO_VRAM, 0, bsp_size, &cfg, &tmp_bo);
79 if (ret) {
80 debug_printf("reallocating bsp %u -> %u failed with %i\n",
81 (unsigned)bsp_bo->size, bsp_size, ret);
82 return -1;
83 }
84
85 ret = nouveau_bo_map(tmp_bo, NOUVEAU_BO_WR, dec->client);
86 if (ret) {
87 debug_printf("map failed: %i %s\n", ret, strerror(-ret));
88 return -1;
89 }
90
91 /* Preserve previous buffer. */
92 /* TODO: offload this copy to the GPU, as otherwise we're reading and
93 * writing to VRAM. */
94 memcpy(tmp_bo->map, bsp_bo->map, bsp_bo->size);
95
96 /* update position to current chunk */
97 dec->bsp_ptr = tmp_bo->map + (dec->bsp_ptr - (char *)bsp_bo->map);
98
99 nouveau_bo_ref(NULL, &bsp_bo);
100 dec->bsp_bo[comm_seq % NOUVEAU_VP3_VIDEO_QDEPTH] = bsp_bo = tmp_bo;
101 }
102
103 if (!inter_bo || bsp_bo->size * 4 > inter_bo->size) {
104 union nouveau_bo_config cfg;
105 struct nouveau_bo *tmp_bo = NULL;
106
107 cfg.nvc0.tile_mode = 0x10;
108 cfg.nvc0.memtype = 0xfe;
109
110 ret = nouveau_bo_new(dec->client->device, NOUVEAU_BO_VRAM, 0, bsp_bo->size * 4, &cfg, &tmp_bo);
111 if (ret) {
112 debug_printf("reallocating inter %u -> %u failed with %i\n",
113 inter_bo ? (unsigned)inter_bo->size : 0, (unsigned)bsp_bo->size * 4, ret);
114 return -1;
115 }
116
117 ret = nouveau_bo_map(tmp_bo, NOUVEAU_BO_WR, dec->client);
118 if (ret) {
119 debug_printf("map failed: %i %s\n", ret, strerror(-ret));
120 return -1;
121 }
122
123 nouveau_bo_ref(NULL, &inter_bo);
124 dec->inter_bo[comm_seq & 1] = inter_bo = tmp_bo;
125 }
126
127 nouveau_vp3_bsp_next(dec, num_buffers, data, num_bytes);
128
129 return 2;
130 }
131
132
133 unsigned
nvc0_decoder_bsp_end(struct nouveau_vp3_decoder * dec,union pipe_desc desc,struct nouveau_vp3_video_buffer * target,unsigned comm_seq,unsigned * vp_caps,unsigned * is_ref,struct nouveau_vp3_video_buffer * refs[16])134 nvc0_decoder_bsp_end(struct nouveau_vp3_decoder *dec, union pipe_desc desc,
135 struct nouveau_vp3_video_buffer *target, unsigned comm_seq,
136 unsigned *vp_caps, unsigned *is_ref,
137 struct nouveau_vp3_video_buffer *refs[16])
138 {
139 struct nouveau_pushbuf *push = dec->pushbuf[0];
140 enum pipe_video_format codec = u_reduce_video_profile(dec->base.profile);
141 uint32_t bsp_addr, comm_addr, inter_addr;
142 uint32_t slice_size, bucket_size, ring_size;
143 uint32_t caps;
144 struct nouveau_bo *bsp_bo = dec->bsp_bo[comm_seq % NOUVEAU_VP3_VIDEO_QDEPTH];
145 struct nouveau_bo *inter_bo = dec->inter_bo[comm_seq & 1];
146 struct nouveau_pushbuf_refn bo_refs[] = {
147 { bsp_bo, NOUVEAU_BO_RD | NOUVEAU_BO_VRAM },
148 { inter_bo, NOUVEAU_BO_WR | NOUVEAU_BO_VRAM },
149 #if NOUVEAU_VP3_DEBUG_FENCE
150 { dec->fence_bo, NOUVEAU_BO_WR | NOUVEAU_BO_GART },
151 #endif
152 { dec->bitplane_bo, NOUVEAU_BO_RDWR | NOUVEAU_BO_VRAM },
153 };
154 int num_refs = ARRAY_SIZE(bo_refs);
155
156 if (!dec->bitplane_bo)
157 num_refs--;
158
159 caps = nouveau_vp3_bsp_end(dec, desc);
160
161 nouveau_vp3_vp_caps(dec, desc, target, comm_seq, vp_caps, is_ref, refs);
162
163 nouveau_pushbuf_space(push, 32, num_refs, 0);
164 nouveau_pushbuf_refn(push, bo_refs, num_refs);
165
166 bsp_addr = bsp_bo->offset >> 8;
167 inter_addr = inter_bo->offset >> 8;
168
169 #if NOUVEAU_VP3_DEBUG_FENCE
170 memset(dec->comm, 0, 0x200);
171 comm_addr = (dec->fence_bo->offset + COMM_OFFSET) >> 8;
172 #else
173 comm_addr = bsp_addr + (COMM_OFFSET>>8);
174 #endif
175
176 BEGIN_NVC0(push, SUBC_BSP(0x700), 5);
177 PUSH_DATA (push, caps); // 700 cmd
178 PUSH_DATA (push, bsp_addr + 1); // 704 strparm_bsp
179 PUSH_DATA (push, bsp_addr + 7); // 708 str addr
180 PUSH_DATA (push, comm_addr); // 70c comm
181 PUSH_DATA (push, comm_seq); // 710 seq
182
183 if (codec != PIPE_VIDEO_FORMAT_MPEG4_AVC) {
184 u32 bitplane_addr;
185
186 bitplane_addr = dec->bitplane_bo->offset >> 8;
187
188 nouveau_vp3_inter_sizes(dec, 1, &slice_size, &bucket_size, &ring_size);
189 BEGIN_NVC0(push, SUBC_BSP(0x400), 6);
190 PUSH_DATA (push, bsp_addr); // 400 picparm addr
191 PUSH_DATA (push, inter_addr); // 404 interparm addr
192 PUSH_DATA (push, inter_addr + slice_size + bucket_size); // 408 interdata addr
193 PUSH_DATA (push, ring_size << 8); // 40c interdata_size
194 PUSH_DATA (push, bitplane_addr); // 410 BITPLANE_DATA
195 PUSH_DATA (push, 0x400); // 414 BITPLANE_DATA_SIZE
196 } else {
197 nouveau_vp3_inter_sizes(dec, desc.h264->slice_count, &slice_size, &bucket_size, &ring_size);
198 BEGIN_NVC0(push, SUBC_BSP(0x400), 8);
199 PUSH_DATA (push, bsp_addr); // 400 picparm addr
200 PUSH_DATA (push, inter_addr); // 404 interparm addr
201 PUSH_DATA (push, slice_size << 8); // 408 interparm size?
202 PUSH_DATA (push, inter_addr + slice_size + bucket_size); // 40c interdata addr
203 PUSH_DATA (push, ring_size << 8); // 410 interdata size
204 PUSH_DATA (push, inter_addr + slice_size); // 414 bucket?
205 PUSH_DATA (push, bucket_size << 8); // 418 bucket size? unshifted..
206 PUSH_DATA (push, 0); // 41c targets
207 // TODO: Double check 414 / 418 with nvidia trace
208 }
209
210 #if NOUVEAU_VP3_DEBUG_FENCE
211 BEGIN_NVC0(push, SUBC_BSP(0x240), 3);
212 PUSH_DATAh(push, dec->fence_bo->offset);
213 PUSH_DATA (push, dec->fence_bo->offset);
214 PUSH_DATA (push, dec->fence_seq);
215
216 BEGIN_NVC0(push, SUBC_BSP(0x300), 1);
217 PUSH_DATA (push, 1);
218 PUSH_KICK (push);
219
220 {
221 unsigned spin = 0;
222 do {
223 usleep(100);
224 if ((spin++ & 0xff) == 0xff) {
225 debug_printf("b%u: %u\n", dec->fence_seq, dec->fence_map[0]);
226 dump_comm_bsp(dec->comm);
227 }
228 } while (dec->fence_seq > dec->fence_map[0]);
229 }
230
231 dump_comm_bsp(dec->comm);
232 return dec->comm->status[comm_seq & 0xf];
233 #else
234 BEGIN_NVC0(push, SUBC_BSP(0x300), 1);
235 PUSH_DATA (push, 0);
236 PUSH_KICK (push);
237 return 2;
238 #endif
239 }
240