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
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
nv98_decoder_bsp(struct nouveau_vp3_decoder * dec,union pipe_desc desc,struct nouveau_vp3_video_buffer * target,unsigned comm_seq,unsigned num_buffers,const void * const * data,const unsigned * num_bytes,unsigned * vp_caps,unsigned * is_ref,struct nouveau_vp3_video_buffer * refs[16])35 nv98_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