src/gallium/drivers/nouveau/nv50/nv98_video_bsp.c

   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
  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
  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 }