src/gallium/drivers/nouveau/nvc0/nvc0_video_ppp.c

   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 static void
  26 nvc0_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
  75 static uint32_t
  76 nvc0_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
  91 void
  92 nvc0_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 }