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
26static 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
34unsigned
35nvc0_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
51unsigned
52nvc0_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                      bsp_bo ? (unsigned)bsp_bo->size : 0, 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
133unsigned
134nvc0_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