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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 #include <sys/mman.h>
25 
26 #if NOUVEAU_VP3_DEBUG_FENCE
dump_comm_vp(struct nouveau_vp3_decoder * dec,struct comm * comm,u32 comm_seq,struct nouveau_bo * inter_bo,unsigned slice_size)27 static void dump_comm_vp(struct nouveau_vp3_decoder *dec, struct comm *comm, u32 comm_seq,
28                          struct nouveau_bo *inter_bo, unsigned slice_size)
29 {
30    unsigned i, idx = comm->pvp_cur_index & 0xf;
31    debug_printf("Status: %08x, stage: %08x\n", comm->status_vp[idx], comm->pvp_stage);
32 #if 0
33    debug_printf("Acked byte ofs: %x, bsp byte ofs: %x\n", comm->acked_byte_ofs, comm->byte_ofs);
34    debug_printf("Irq/parse indexes: %i %i\n", comm->irq_index, comm->parse_endpos_index);
35 
36    for (i = 0; i != comm->irq_index; ++i)
37       debug_printf("irq[%i] = { @ %08x -> %04x }\n", i, comm->irq_pos[i], comm->irq_470[i]);
38    for (i = 0; i != comm->parse_endpos_index; ++i)
39       debug_printf("parse_endpos[%i] = { @ %08x}\n", i, comm->parse_endpos[i]);
40 #endif
41    debug_printf("mb_y = %u\n", comm->mb_y[idx]);
42    if (comm->status_vp[idx] <= 1)
43       return;
44 
45    if ((comm->pvp_stage & 0xff) != 0xff) {
46       unsigned *map;
47       int ret = nouveau_bo_map(inter_bo, NOUVEAU_BO_RD|NOUVEAU_BO_NOBLOCK, dec->client);
48       assert(ret >= 0);
49       map = inter_bo->map;
50       for (i = 0; i < comm->byte_ofs + slice_size; i += 0x10) {
51          debug_printf("%05x: %08x %08x %08x %08x\n", i, map[i/4], map[i/4+1], map[i/4+2], map[i/4+3]);
52       }
53       munmap(inter_bo->map, inter_bo->size);
54       inter_bo->map = NULL;
55    }
56    assert((comm->pvp_stage & 0xff) == 0xff);
57 }
58 #endif
59 
60 static void
nvc0_decoder_kick_ref(struct nouveau_vp3_decoder * dec,struct nouveau_vp3_video_buffer * target)61 nvc0_decoder_kick_ref(struct nouveau_vp3_decoder *dec, struct nouveau_vp3_video_buffer *target)
62 {
63    dec->refs[target->valid_ref].last_used = 0;
64 //   debug_printf("Unreffed %p\n", target);
65 }
66 
67 void
nvc0_decoder_vp(struct nouveau_vp3_decoder * dec,union pipe_desc desc,struct nouveau_vp3_video_buffer * target,unsigned comm_seq,unsigned caps,unsigned is_ref,struct nouveau_vp3_video_buffer * refs[16])68 nvc0_decoder_vp(struct nouveau_vp3_decoder *dec, union pipe_desc desc,
69                 struct nouveau_vp3_video_buffer *target, unsigned comm_seq,
70                 unsigned caps, unsigned is_ref,
71                 struct nouveau_vp3_video_buffer *refs[16])
72 {
73    struct nouveau_pushbuf *push = dec->pushbuf[1];
74    uint32_t bsp_addr, comm_addr, inter_addr, ucode_addr, pic_addr[17], last_addr, null_addr;
75    uint32_t slice_size, bucket_size, ring_size, i;
76    enum pipe_video_format codec = u_reduce_video_profile(dec->base.profile);
77    struct nouveau_bo *bsp_bo = dec->bsp_bo[comm_seq % NOUVEAU_VP3_VIDEO_QDEPTH];
78    struct nouveau_bo *inter_bo = dec->inter_bo[comm_seq & 1];
79    u32 codec_extra = 0;
80    struct nouveau_pushbuf_refn bo_refs[] = {
81       { inter_bo, NOUVEAU_BO_WR | NOUVEAU_BO_VRAM },
82       { dec->ref_bo, NOUVEAU_BO_WR | NOUVEAU_BO_VRAM },
83       { bsp_bo, NOUVEAU_BO_RD | NOUVEAU_BO_VRAM },
84 #if NOUVEAU_VP3_DEBUG_FENCE
85       { dec->fence_bo, NOUVEAU_BO_WR | NOUVEAU_BO_GART },
86 #endif
87       { dec->fw_bo, NOUVEAU_BO_RD | NOUVEAU_BO_VRAM },
88    };
89    int num_refs = ARRAY_SIZE(bo_refs) - !dec->fw_bo;
90 
91    if (codec == PIPE_VIDEO_FORMAT_MPEG4_AVC) {
92       nouveau_vp3_inter_sizes(dec, desc.h264->slice_count, &slice_size, &bucket_size, &ring_size);
93       codec_extra += 2;
94    } else
95       nouveau_vp3_inter_sizes(dec, 1, &slice_size, &bucket_size, &ring_size);
96 
97    if (dec->base.max_references > 2)
98       codec_extra += 1 + (dec->base.max_references - 2);
99 
100    pic_addr[16] = nouveau_vp3_video_addr(dec, target) >> 8;
101    last_addr = null_addr = nouveau_vp3_video_addr(dec, NULL) >> 8;
102 
103    for (i = 0; i < dec->base.max_references; ++i) {
104       if (!refs[i])
105          pic_addr[i] = last_addr;
106       else if (dec->refs[refs[i]->valid_ref].vidbuf == refs[i])
107          last_addr = pic_addr[i] = nouveau_vp3_video_addr(dec, refs[i]) >> 8;
108       else
109          pic_addr[i] = null_addr;
110    }
111    if (!is_ref && (dec->refs[target->valid_ref].decoded_top && dec->refs[target->valid_ref].decoded_bottom))
112       nvc0_decoder_kick_ref(dec, target);
113 
114    nouveau_pushbuf_space(push, 32 + codec_extra, num_refs, 0);
115 
116    nouveau_pushbuf_refn(push, bo_refs, num_refs);
117 
118    bsp_addr = bsp_bo->offset >> 8;
119 #if NOUVEAU_VP3_DEBUG_FENCE
120    comm_addr = (dec->fence_bo->offset + COMM_OFFSET)>>8;
121 #else
122    comm_addr = bsp_addr + (COMM_OFFSET>>8);
123 #endif
124    inter_addr = inter_bo->offset >> 8;
125    if (dec->fw_bo)
126       ucode_addr = dec->fw_bo->offset >> 8;
127    else
128       ucode_addr = 0;
129 
130    BEGIN_NVC0(push, SUBC_VP(0x700), 7);
131    PUSH_DATA (push, caps); // 700
132    PUSH_DATA (push, comm_seq); // 704
133    PUSH_DATA (push, 0); // 708 fuc targets, ignored for nvc0
134    PUSH_DATA (push, dec->fw_sizes); // 70c
135    PUSH_DATA (push, bsp_addr+(VP_OFFSET>>8)); // 710 picparm_addr
136    PUSH_DATA (push, inter_addr); // 714 inter_parm
137    PUSH_DATA (push, inter_addr + slice_size + bucket_size); // 718 inter_data_ofs
138 
139    if (bucket_size) {
140       uint64_t tmpimg_addr = dec->ref_bo->offset + dec->ref_stride * (dec->base.max_references+2);
141 
142       BEGIN_NVC0(push, SUBC_VP(0x71c), 2);
143       PUSH_DATA (push, tmpimg_addr >> 8); // 71c
144       PUSH_DATA (push, inter_addr + slice_size); // 720 bucket_ofs
145    }
146 
147    BEGIN_NVC0(push, SUBC_VP(0x724), 5);
148    PUSH_DATA (push, comm_addr); // 724
149    PUSH_DATA (push, ucode_addr); // 728
150    PUSH_DATA (push, pic_addr[16]); // 734
151    PUSH_DATA (push, pic_addr[0]); // 72c
152    PUSH_DATA (push, pic_addr[1]); // 730
153 
154    if (dec->base.max_references > 2) {
155       int i;
156 
157       BEGIN_NVC0(push, SUBC_VP(0x400), dec->base.max_references - 2);
158       for (i = 2; i < dec->base.max_references; ++i) {
159          assert(0x400 + (i - 2) * 4 < 0x438);
160          PUSH_DATA (push, pic_addr[i]);
161       }
162    }
163 
164    if (codec == PIPE_VIDEO_FORMAT_MPEG4_AVC) {
165       BEGIN_NVC0(push, SUBC_VP(0x438), 1);
166       PUSH_DATA (push, desc.h264->slice_count);
167    }
168 
169    //debug_printf("Decoding %08lx with %08lx and %08lx\n", pic_addr[16], pic_addr[0], pic_addr[1]);
170 
171 #if NOUVEAU_VP3_DEBUG_FENCE
172    BEGIN_NVC0(push, SUBC_VP(0x240), 3);
173    PUSH_DATAh(push, (dec->fence_bo->offset + 0x10));
174    PUSH_DATA (push, (dec->fence_bo->offset + 0x10));
175    PUSH_DATA (push, dec->fence_seq);
176 
177    BEGIN_NVC0(push, SUBC_VP(0x300), 1);
178    PUSH_DATA (push, 1);
179    PUSH_KICK(push);
180 
181    {
182       unsigned spin = 0;
183       do {
184          usleep(100);
185          if ((spin++ & 0xff) == 0xff) {
186             debug_printf("v%u: %u\n", dec->fence_seq, dec->fence_map[4]);
187             dump_comm_vp(dec, dec->comm, comm_seq, inter_bo, slice_size << 8);
188          }
189       } while (dec->fence_seq > dec->fence_map[4]);
190    }
191    dump_comm_vp(dec, dec->comm, comm_seq, inter_bo, slice_size << 8);
192 #else
193    BEGIN_NVC0(push, SUBC_VP(0x300), 1);
194    PUSH_DATA (push, 0);
195    PUSH_KICK (push);
196 #endif
197 }
198