src/gallium/drivers/nouveau/nv50/nv84_video_bsp.c

   1 /*
   2  * Copyright 2013 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/nv84_video.h"
  24
  25 struct iparm {
  26    struct iseqparm {
  27       uint32_t chroma_format_idc; // 00
  28       uint32_t pad[(0x128 - 0x4) / 4];
  29       uint32_t log2_max_frame_num_minus4; // 128
  30       uint32_t pic_order_cnt_type; // 12c
  31       uint32_t log2_max_pic_order_cnt_lsb_minus4; // 130
  32       uint32_t delta_pic_order_always_zero_flag; // 134
  33       uint32_t num_ref_frames; // 138
  34       uint32_t pic_width_in_mbs_minus1; // 13c
  35       uint32_t pic_height_in_map_units_minus1; // 140
  36       uint32_t frame_mbs_only_flag; // 144
  37       uint32_t mb_adaptive_frame_field_flag; // 148
  38       uint32_t direct_8x8_inference_flag; // 14c
  39    } iseqparm; // 000
  40    struct ipicparm {
  41       uint32_t entropy_coding_mode_flag; // 00
  42       uint32_t pic_order_present_flag; // 04
  43       uint32_t num_slice_groups_minus1; // 08
  44       uint32_t slice_group_map_type; // 0c
  45       uint32_t pad1[0x60 / 4];
  46       uint32_t u70; // 70
  47       uint32_t u74; // 74
  48       uint32_t u78; // 78
  49       uint32_t num_ref_idx_l0_active_minus1; // 7c
  50       uint32_t num_ref_idx_l1_active_minus1; // 80
  51       uint32_t weighted_pred_flag; // 84
  52       uint32_t weighted_bipred_idc; // 88
  53       uint32_t pic_init_qp_minus26; // 8c
  54       uint32_t chroma_qp_index_offset; // 90
  55       uint32_t deblocking_filter_control_present_flag; // 94
  56       uint32_t constrained_intra_pred_flag; // 98
  57       uint32_t redundant_pic_cnt_present_flag; // 9c
  58       uint32_t transform_8x8_mode_flag; // a0
  59       uint32_t pad2[(0x1c8 - 0xa0 - 4) / 4];
  60       uint32_t second_chroma_qp_index_offset; // 1c8
  61       uint32_t u1cc; // 1cc
  62       uint32_t curr_pic_order_cnt; // 1d0
  63       uint32_t field_order_cnt[2]; // 1d4
  64       uint32_t curr_mvidx; // 1dc
  65       struct iref {
  66          uint32_t u00; // 00
  67          uint32_t field_is_ref; // 04 // bit0: top, bit1: bottom
  68          uint8_t is_long_term; // 08
  69          uint8_t non_existing; // 09
  70          uint8_t u0a; // 0a
  71          uint8_t u0b; // 0b
  72          uint32_t frame_idx; // 0c
  73          uint32_t field_order_cnt[2]; // 10
  74          uint32_t mvidx; // 18
  75          uint8_t field_pic_flag; // 1c
  76          uint8_t u1d; // 1d
  77          uint8_t u1e; // 1e
  78          uint8_t u1f; // 1f
  79          // 20
  80       } refs[0x10]; // 1e0
  81    } ipicparm; // 150
  82 };
  83
  84 int
  85 nv84_decoder_bsp(struct nv84_decoder *dec,
  86                  struct pipe_h264_picture_desc *desc,
  87                  unsigned num_buffers,
  88                  const void *const *data,
  89                  const unsigned *num_bytes,
  90                  struct nv84_video_buffer *dest)
  91 {
  92    struct iparm params;
  93    uint32_t more_params[0x44 / 4] = {0};
  94    unsigned total_bytes = 0;
  95    int i;
  96    static const uint32_t end[] = {0x0b010000, 0, 0x0b010000, 0};
  97    char indexes[17] = {0};
  98    struct nouveau_pushbuf *push = dec->bsp_pushbuf;
  99    struct nouveau_pushbuf_refn bo_refs[] = {
 100       { dec->vpring, NOUVEAU_BO_RDWR | NOUVEAU_BO_VRAM },
 101       { dec->mbring, NOUVEAU_BO_RDWR | NOUVEAU_BO_VRAM },
 102       { dec->bitstream, NOUVEAU_BO_RDWR | NOUVEAU_BO_GART },
 103       { dec->fence, NOUVEAU_BO_RDWR | NOUVEAU_BO_VRAM },
 104    };
 105
 106    nouveau_bo_wait(dec->fence, NOUVEAU_BO_RDWR, dec->client);
 107
 108    STATIC_ASSERT(sizeof(struct iparm) == 0x530);
 109
 110    memset(&params, 0, sizeof(params));
 111
 112    dest->frame_num = dest->frame_num_max = desc->frame_num;
 113
 114    for (i = 0; i < 16; i++) {
 115       struct iref *ref = &params.ipicparm.refs[i];
 116       struct nv84_video_buffer *frame = (struct nv84_video_buffer *)desc->ref[i];
 117       if (!frame) break;
 118       /* The frame index is relative to the last IDR frame. So once the frame
 119        * num goes back to 0, previous reference frames need to have a negative
 120        * index.
 121        */
 122       if (desc->frame_num >= frame->frame_num_max) {
 123          frame->frame_num_max = desc->frame_num;
 124       } else {
 125          frame->frame_num -= frame->frame_num_max + 1;
 126          frame->frame_num_max = desc->frame_num;
 127       }
 128       ref->non_existing = 0;
 129       ref->field_is_ref = (desc->top_is_reference[i] ? 1 : 0) |
 130          (desc->bottom_is_reference[i] ? 2 : 0);
 131       ref->is_long_term = desc->is_long_term[i];
 132       ref->field_order_cnt[0] = desc->field_order_cnt_list[i][0];
 133       ref->field_order_cnt[1] = desc->field_order_cnt_list[i][1];
 134       ref->frame_idx = frame->frame_num;
 135       ref->u00 = ref->mvidx = frame->mvidx;
 136       ref->field_pic_flag = desc->field_pic_flag;
 137       indexes[frame->mvidx] = 1;
 138    }
 139
 140    /* Needs to be adjusted if we ever support non-4:2:0 videos */
 141    params.iseqparm.chroma_format_idc = 1;
 142
 143    params.iseqparm.pic_width_in_mbs_minus1 = mb(dec->base.width) - 1;
 144    if (desc->field_pic_flag || desc->pps->sps->mb_adaptive_frame_field_flag)
 145       params.iseqparm.pic_height_in_map_units_minus1 = mb_half(dec->base.height) - 1;
 146    else
 147       params.iseqparm.pic_height_in_map_units_minus1 = mb(dec->base.height) - 1;
 148
 149    if (desc->bottom_field_flag)
 150       params.ipicparm.curr_pic_order_cnt = desc->field_order_cnt[1];
 151    else
 152       params.ipicparm.curr_pic_order_cnt = desc->field_order_cnt[0];
 153    params.ipicparm.field_order_cnt[0] = desc->field_order_cnt[0];
 154    params.ipicparm.field_order_cnt[1] = desc->field_order_cnt[1];
 155    if (desc->is_reference) {
 156       if (dest->mvidx < 0) {
 157          for (i = 0; i < desc->num_ref_frames + 1; i++) {
 158             if (!indexes[i]) {
 159                dest->mvidx = i;
 160                break;
 161             }
 162          }
 163          assert(i != desc->num_ref_frames + 1);
 164       }
 165
 166       params.ipicparm.u1cc = params.ipicparm.curr_mvidx = dest->mvidx;
 167    }
 168
 169    params.iseqparm.num_ref_frames = desc->num_ref_frames;
 170    params.iseqparm.mb_adaptive_frame_field_flag = desc->pps->sps->mb_adaptive_frame_field_flag;
 171    params.ipicparm.constrained_intra_pred_flag = desc->pps->constrained_intra_pred_flag;
 172    params.ipicparm.weighted_pred_flag = desc->pps->weighted_pred_flag;
 173    params.ipicparm.weighted_bipred_idc = desc->pps->weighted_bipred_idc;
 174    params.iseqparm.frame_mbs_only_flag = desc->pps->sps->frame_mbs_only_flag;
 175    params.ipicparm.transform_8x8_mode_flag = desc->pps->transform_8x8_mode_flag;
 176    params.ipicparm.chroma_qp_index_offset = desc->pps->chroma_qp_index_offset;
 177    params.ipicparm.second_chroma_qp_index_offset = desc->pps->second_chroma_qp_index_offset;
 178    params.ipicparm.pic_init_qp_minus26 = desc->pps->pic_init_qp_minus26;
 179    params.ipicparm.num_ref_idx_l0_active_minus1 = desc->num_ref_idx_l0_active_minus1;
 180    params.ipicparm.num_ref_idx_l1_active_minus1 = desc->num_ref_idx_l1_active_minus1;
 181    params.iseqparm.log2_max_frame_num_minus4 = desc->pps->sps->log2_max_frame_num_minus4;
 182    params.iseqparm.pic_order_cnt_type = desc->pps->sps->pic_order_cnt_type;
 183    params.iseqparm.log2_max_pic_order_cnt_lsb_minus4 = desc->pps->sps->log2_max_pic_order_cnt_lsb_minus4;
 184    params.iseqparm.delta_pic_order_always_zero_flag = desc->pps->sps->delta_pic_order_always_zero_flag;
 185    params.iseqparm.direct_8x8_inference_flag = desc->pps->sps->direct_8x8_inference_flag;
 186    params.ipicparm.entropy_coding_mode_flag = desc->pps->entropy_coding_mode_flag;
 187    params.ipicparm.pic_order_present_flag = desc->pps->bottom_field_pic_order_in_frame_present_flag;
 188    params.ipicparm.deblocking_filter_control_present_flag = desc->pps->deblocking_filter_control_present_flag;
 189    params.ipicparm.redundant_pic_cnt_present_flag = desc->pps->redundant_pic_cnt_present_flag;
 190
 191    memcpy(dec->bitstream->map, &params, sizeof(params));
 192    for (i = 0; i < num_buffers; i++) {
 193       assert(total_bytes + num_bytes[i] < dec->bitstream->size / 2 - 0x700);
 194       memcpy(dec->bitstream->map + 0x700 + total_bytes, data[i], num_bytes[i]);
 195       total_bytes += num_bytes[i];
 196    }
 197    memcpy(dec->bitstream->map + 0x700 + total_bytes, end, sizeof(end));
 198    total_bytes += sizeof(end);
 199    more_params[1] = total_bytes;
 200    memcpy(dec->bitstream->map + 0x600, more_params, sizeof(more_params));
 201
 202    PUSH_SPACE(push, 5 + 21 + 3 + 2 + 4 + 2);
 203    nouveau_pushbuf_refn(push, bo_refs, ARRAY_SIZE(bo_refs));
 204
 205    /* Wait for the fence = 1 */
 206    BEGIN_NV04(push, SUBC_BSP(0x10), 4);
 207    PUSH_DATAh(push, dec->fence->offset);
 208    PUSH_DATA (push, dec->fence->offset);
 209    PUSH_DATA (push, 1);
 210    PUSH_DATA (push, 1);
 211
 212    /* TODO: Use both halves of bitstream/vpring for alternating frames */
 213
 214    /* Kick off the BSP */
 215    BEGIN_NV04(push, SUBC_BSP(0x400), 20);
 216    PUSH_DATA (push, dec->bitstream->offset >> 8);
 217    PUSH_DATA (push, (dec->bitstream->offset >> 8) + 7);
 218    PUSH_DATA (push, dec->bitstream->size / 2 - 0x700);
 219    PUSH_DATA (push, (dec->bitstream->offset >> 8) + 6);
 220    PUSH_DATA (push, 1);
 221    PUSH_DATA (push, dec->mbring->offset >> 8);
 222    PUSH_DATA (push, dec->frame_size);
 223    PUSH_DATA (push, (dec->mbring->offset + dec->frame_size) >> 8);
 224    PUSH_DATA (push, dec->vpring->offset >> 8);
 225    PUSH_DATA (push, dec->vpring->size / 2);
 226    PUSH_DATA (push, dec->vpring_residual);
 227    PUSH_DATA (push, dec->vpring_ctrl);
 228    PUSH_DATA (push, 0);
 229    PUSH_DATA (push, dec->vpring_residual);
 230    PUSH_DATA (push, dec->vpring_residual + dec->vpring_ctrl);
 231    PUSH_DATA (push, dec->vpring_deblock);
 232    PUSH_DATA (push, (dec->vpring->offset + dec->vpring_ctrl +
 233                      dec->vpring_residual + dec->vpring_deblock) >> 8);
 234    PUSH_DATA (push, 0x654321);
 235    PUSH_DATA (push, 0);
 236    PUSH_DATA (push, 0x100008);
 237
 238    BEGIN_NV04(push, SUBC_BSP(0x620), 2);
 239    PUSH_DATA (push, 0);
 240    PUSH_DATA (push, 0);
 241
 242    BEGIN_NV04(push, SUBC_BSP(0x300), 1);
 243    PUSH_DATA (push, 0);
 244
 245    /* Write fence = 2, intr */
 246    BEGIN_NV04(push, SUBC_BSP(0x610), 3);
 247    PUSH_DATAh(push, dec->fence->offset);
 248    PUSH_DATA (push, dec->fence->offset);
 249    PUSH_DATA (push, 2);
 250
 251    BEGIN_NV04(push, SUBC_BSP(0x304), 1);
 252    PUSH_DATA (push, 0x101);
 253    PUSH_KICK (push);
 254    return 0;
 255 }