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
25static void
26nvc0_decoder_setup_ppp(struct nouveau_vp3_decoder *dec, struct nouveau_vp3_video_buffer *target, uint32_t low700) {
27   struct nouveau_pushbuf *push = dec->pushbuf[2];
28
29   uint32_t stride_in = mb(dec->base.width);
30   uint32_t stride_out = mb(target->resources[0]->width0);
31   uint32_t dec_h = mb(dec->base.height);
32   uint32_t dec_w = mb(dec->base.width);
33   uint64_t in_addr;
34   uint32_t y2, cbcr, cbcr2, i;
35   struct nouveau_pushbuf_refn bo_refs[] = {
36      { NULL, NOUVEAU_BO_WR | NOUVEAU_BO_VRAM },
37      { NULL, NOUVEAU_BO_WR | NOUVEAU_BO_VRAM },
38      { dec->ref_bo, NOUVEAU_BO_RD | NOUVEAU_BO_VRAM },
39#if NOUVEAU_VP3_DEBUG_FENCE
40      { dec->fence_bo, NOUVEAU_BO_WR | NOUVEAU_BO_GART },
41#endif
42   };
43   unsigned num_refs = ARRAY_SIZE(bo_refs);
44
45   for (i = 0; i < 2; ++i) {
46      struct nv50_miptree *mt = (struct nv50_miptree *)target->resources[i];
47      bo_refs[i].bo = mt->base.bo;
48   }
49
50   nouveau_pushbuf_refn(push, bo_refs, num_refs);
51   nouveau_vp3_ycbcr_offsets(dec, &y2, &cbcr, &cbcr2);
52
53   BEGIN_NVC0(push, SUBC_PPP(0x700), 10);
54   in_addr = nouveau_vp3_video_addr(dec, target) >> 8;
55
56   PUSH_DATA (push, (stride_out << 24) | (stride_out << 16) | low700); // 700
57   PUSH_DATA (push, (stride_in << 24) | (stride_in << 16) | (dec_h << 8) | dec_w); // 704
58   assert(dec_w == stride_in);
59
60   /* Input: */
61   PUSH_DATA (push, in_addr); // 708
62   PUSH_DATA (push, in_addr + y2); // 70c
63   PUSH_DATA (push, in_addr + cbcr); // 710
64   PUSH_DATA (push, in_addr + cbcr2); // 714
65
66   for (i = 0; i < 2; ++i) {
67      struct nv50_miptree *mt = (struct nv50_miptree *)target->resources[i];
68
69      PUSH_DATA (push, mt->base.address >> 8);
70      PUSH_DATA (push, (mt->base.address + mt->total_size/2) >> 8);
71      mt->base.status |= NOUVEAU_BUFFER_STATUS_GPU_WRITING;
72   }
73}
74
75static uint32_t
76nvc0_decoder_vc1_ppp(struct nouveau_vp3_decoder *dec, struct pipe_vc1_picture_desc *desc, struct nouveau_vp3_video_buffer *target) {
77   struct nouveau_pushbuf *push = dec->pushbuf[2];
78
79   nvc0_decoder_setup_ppp(dec, target, 0x1412);
80   assert(!desc->deblockEnable);
81   assert(!(dec->base.width & 0xf));
82   assert(!(dec->base.height & 0xf));
83
84   BEGIN_NVC0(push, SUBC_PPP(0x400), 1);
85   PUSH_DATA (push, desc->pquant << 11);
86
87   // 728 = wtf?
88   return 0x10;
89}
90
91void
92nvc0_decoder_ppp(struct nouveau_vp3_decoder *dec, union pipe_desc desc, struct nouveau_vp3_video_buffer *target, unsigned comm_seq) {
93   enum pipe_video_format codec = u_reduce_video_profile(dec->base.profile);
94   struct nouveau_pushbuf *push = dec->pushbuf[2];
95   unsigned ppp_caps = 0x10;
96
97   nouveau_pushbuf_space(push, 32, 4, 0);
98
99   switch (codec) {
100   case PIPE_VIDEO_FORMAT_MPEG12: {
101      unsigned mpeg2 = dec->base.profile != PIPE_VIDEO_PROFILE_MPEG1;
102      nvc0_decoder_setup_ppp(dec, target, 0x1410 | mpeg2);
103      break;
104   }
105   case PIPE_VIDEO_FORMAT_MPEG4: nvc0_decoder_setup_ppp(dec, target, 0x1414); break;
106   case PIPE_VIDEO_FORMAT_VC1: ppp_caps = nvc0_decoder_vc1_ppp(dec, desc.vc1, target); break;
107   case PIPE_VIDEO_FORMAT_MPEG4_AVC: nvc0_decoder_setup_ppp(dec, target, 0x1413); break;
108   default: assert(0);
109   }
110   BEGIN_NVC0(push, SUBC_PPP(0x734), 2);
111   PUSH_DATA (push, comm_seq);
112   PUSH_DATA (push, ppp_caps);
113
114#if NOUVEAU_VP3_DEBUG_FENCE
115   BEGIN_NVC0(push, SUBC_PPP(0x240), 3);
116   PUSH_DATAh(push, (dec->fence_bo->offset + 0x20));
117   PUSH_DATA (push, (dec->fence_bo->offset + 0x20));
118   PUSH_DATA (push, dec->fence_seq);
119
120   BEGIN_NVC0(push, SUBC_PPP(0x300), 1);
121   PUSH_DATA (push, 1);
122   PUSH_KICK (push);
123
124   {
125      unsigned spin = 0;
126
127      do {
128         usleep(100);
129         if ((spin++ & 0xff) == 0xff)
130            debug_printf("p%u: %u\n", dec->fence_seq, dec->fence_map[8]);
131      } while (dec->fence_seq > dec->fence_map[8]);
132   }
133#else
134   BEGIN_NVC0(push, SUBC_PPP(0x300), 1);
135   PUSH_DATA (push, 0);
136   PUSH_KICK (push);
137#endif
138}
139