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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 
     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 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
     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                       bsp_bo ? (unsigned)bsp_bo->size : 0, 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
    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