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