1/*
2 * Copyright 2011-2013 Maarten Lankhorst, Ilia Mirkin
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 "nv50/nv98_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
35nv98_decoder_bsp(struct nouveau_vp3_decoder *dec, union pipe_desc desc,
36                 struct nouveau_vp3_video_buffer *target,
37                 unsigned comm_seq, unsigned num_buffers,
38                 const void *const *data, const unsigned *num_bytes,
39                 unsigned *vp_caps, unsigned *is_ref,
40                 struct nouveau_vp3_video_buffer *refs[16])
41{
42   struct nouveau_pushbuf *push = dec->pushbuf[0];
43   enum pipe_video_format codec = u_reduce_video_profile(dec->base.profile);
44   uint32_t bsp_addr, comm_addr, inter_addr;
45   uint32_t slice_size, bucket_size, ring_size, bsp_size;
46   uint32_t caps, i;
47   int ret;
48   struct nouveau_bo *bsp_bo = dec->bsp_bo[comm_seq % NOUVEAU_VP3_VIDEO_QDEPTH];
49   struct nouveau_bo *inter_bo = dec->inter_bo[comm_seq & 1];
50   struct nouveau_pushbuf_refn bo_refs[] = {
51      { bsp_bo, NOUVEAU_BO_RD | NOUVEAU_BO_VRAM },
52      { inter_bo, NOUVEAU_BO_WR | NOUVEAU_BO_VRAM },
53#if NOUVEAU_VP3_DEBUG_FENCE
54      { dec->fence_bo, NOUVEAU_BO_WR | NOUVEAU_BO_GART },
55#endif
56      { dec->bitplane_bo, NOUVEAU_BO_RDWR | NOUVEAU_BO_VRAM },
57   };
58   int num_refs = ARRAY_SIZE(bo_refs);
59
60   if (!dec->bitplane_bo)
61      num_refs--;
62
63   bsp_size = NOUVEAU_VP3_BSP_RESERVED_SIZE;
64   for (i = 0; i < num_buffers; i++)
65      bsp_size += num_bytes[i];
66   bsp_size += 256; /* the 4 end markers */
67
68   if (!bsp_bo || bsp_size > bsp_bo->size) {
69      struct nouveau_bo *tmp_bo = NULL;
70
71      /* round up to the nearest mb */
72      bsp_size += (1 << 20) - 1;
73      bsp_size &= ~((1 << 20) - 1);
74
75      ret = nouveau_bo_new(dec->client->device, NOUVEAU_BO_VRAM, 0, bsp_size, NULL, &tmp_bo);
76      if (ret) {
77         debug_printf("reallocating bsp %u -> %u failed with %i\n",
78                      bsp_bo ? (unsigned)bsp_bo->size : 0, bsp_size, ret);
79         return -1;
80      }
81      nouveau_bo_ref(NULL, &bsp_bo);
82      bo_refs[0].bo = dec->bsp_bo[comm_seq % NOUVEAU_VP3_VIDEO_QDEPTH] = bsp_bo = tmp_bo;
83   }
84
85   if (!inter_bo || bsp_bo->size * 4 > inter_bo->size) {
86      struct nouveau_bo *tmp_bo = NULL;
87
88      ret = nouveau_bo_new(dec->client->device, NOUVEAU_BO_VRAM, 0, bsp_bo->size * 4, NULL, &tmp_bo);
89      if (ret) {
90         debug_printf("reallocating inter %u -> %u failed with %i\n",
91                      inter_bo ? (unsigned)inter_bo->size : 0, (unsigned)bsp_bo->size * 4, ret);
92         return -1;
93      }
94      nouveau_bo_ref(NULL, &inter_bo);
95      bo_refs[1].bo = dec->inter_bo[comm_seq & 1] = inter_bo = tmp_bo;
96   }
97
98   ret = nouveau_bo_map(bsp_bo, NOUVEAU_BO_WR, dec->client);
99   if (ret) {
100      debug_printf("map failed: %i %s\n", ret, strerror(-ret));
101      return -1;
102   }
103
104   nouveau_vp3_bsp_begin(dec);
105   nouveau_vp3_bsp_next(dec, num_buffers, data, num_bytes);
106   caps = nouveau_vp3_bsp_end(dec, desc);
107
108   nouveau_vp3_vp_caps(dec, desc, target, comm_seq, vp_caps, is_ref, refs);
109
110   nouveau_pushbuf_space(push, 32, num_refs, 0);
111   nouveau_pushbuf_refn(push, bo_refs, num_refs);
112
113   bsp_addr = bsp_bo->offset >> 8;
114   inter_addr = inter_bo->offset >> 8;
115
116#if NOUVEAU_VP3_DEBUG_FENCE
117   memset(dec->comm, 0, 0x200);
118   comm_addr = (dec->fence_bo->offset + COMM_OFFSET) >> 8;
119#else
120   comm_addr = bsp_addr + (COMM_OFFSET>>8);
121#endif
122
123   BEGIN_NV04(push, SUBC_BSP(0x700), 5);
124   PUSH_DATA (push, caps); // 700 cmd
125   PUSH_DATA (push, bsp_addr + 1); // 704 strparm_bsp
126   PUSH_DATA (push, bsp_addr + 7); // 708 str addr
127   PUSH_DATA (push, comm_addr); // 70c comm
128   PUSH_DATA (push, comm_seq); // 710 seq
129
130   if (codec != PIPE_VIDEO_FORMAT_MPEG4_AVC) {
131      u32 bitplane_addr;
132      int mpeg12 = (codec == PIPE_VIDEO_FORMAT_MPEG12);
133
134      bitplane_addr = dec->bitplane_bo->offset >> 8;
135
136      nouveau_vp3_inter_sizes(dec, 1, &slice_size, &bucket_size, &ring_size);
137      BEGIN_NV04(push, SUBC_BSP(0x400), mpeg12 ? 5 : 7);
138      PUSH_DATA (push, bsp_addr); // 400 picparm addr
139      PUSH_DATA (push, inter_addr); // 404 interparm addr
140      PUSH_DATA (push, inter_addr + slice_size + bucket_size); // 408 interdata addr
141      PUSH_DATA (push, ring_size << 8); // 40c interdata_size
142      if (!mpeg12) {
143         PUSH_DATA (push, bitplane_addr); // 410 BITPLANE_DATA
144         PUSH_DATA (push, 0x400); // 414 BITPLANE_DATA_SIZE
145      }
146      PUSH_DATA (push, 0); // dma idx
147   } else {
148      nouveau_vp3_inter_sizes(dec, desc.h264->slice_count, &slice_size, &bucket_size, &ring_size);
149      BEGIN_NV04(push, SUBC_BSP(0x400), 8);
150      PUSH_DATA (push, bsp_addr); // 400 picparm addr
151      PUSH_DATA (push, inter_addr); // 404 interparm addr
152      PUSH_DATA (push, slice_size << 8); // 408 interparm size?
153      PUSH_DATA (push, inter_addr + slice_size + bucket_size); // 40c interdata addr
154      PUSH_DATA (push, ring_size << 8); // 410 interdata size
155      PUSH_DATA (push, inter_addr + slice_size); // 414 bucket?
156      PUSH_DATA (push, bucket_size << 8); // 418 bucket size? unshifted..
157      PUSH_DATA (push, 0); // 41c targets
158      // TODO: Double check 414 / 418 with nvidia trace
159   }
160
161#if NOUVEAU_VP3_DEBUG_FENCE
162   BEGIN_NV04(push, SUBC_BSP(0x240), 3);
163   PUSH_DATAh(push, dec->fence_bo->offset);
164   PUSH_DATA (push, dec->fence_bo->offset);
165   PUSH_DATA (push, dec->fence_seq);
166
167   BEGIN_NV04(push, SUBC_BSP(0x300), 1);
168   PUSH_DATA (push, 1);
169   PUSH_KICK (push);
170
171   {
172      unsigned spin = 0;
173      do {
174         usleep(100);
175         if ((spin++ & 0xff) == 0xff) {
176            debug_printf("b%u: %u\n", dec->fence_seq, dec->fence_map[0]);
177            dump_comm_bsp(dec->comm);
178         }
179      } while (dec->fence_seq > dec->fence_map[0]);
180   }
181
182   dump_comm_bsp(dec->comm);
183   return dec->comm->status[comm_seq & 0xf];
184#else
185   BEGIN_NV04(push, SUBC_BSP(0x300), 1);
186   PUSH_DATA (push, 0);
187   PUSH_KICK (push);
188   return 2;
189#endif
190}
191