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      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 #ifndef NV84_VIDEO_H_
     24 #define NV84_VIDEO_H_
     25 
     26 #include "vl/vl_decoder.h"
     27 #include "vl/vl_video_buffer.h"
     28 #include "vl/vl_types.h"
     29 
     30 #include "vl/vl_mpeg12_bitstream.h"
     31 
     32 #include "util/u_video.h"
     33 
     34 #include "nv50/nv50_context.h"
     35 
     36 /* These are expected to be on their own pushbufs */
     37 #define SUBC_BSP(m) 2, (m)
     38 #define SUBC_VP(m) 2, (m)
     39 
     40 union pipe_desc {
     41    struct pipe_picture_desc *base;
     42    struct pipe_mpeg12_picture_desc *mpeg12;
     43    struct pipe_mpeg4_picture_desc *mpeg4;
     44    struct pipe_vc1_picture_desc *vc1;
     45    struct pipe_h264_picture_desc *h264;
     46 };
     47 
     48 struct nv84_video_buffer {
     49    struct pipe_video_buffer base;
     50    struct pipe_resource *resources[VL_NUM_COMPONENTS];
     51    struct pipe_sampler_view *sampler_view_planes[VL_NUM_COMPONENTS];
     52    struct pipe_sampler_view *sampler_view_components[VL_NUM_COMPONENTS];
     53    struct pipe_surface *surfaces[VL_NUM_COMPONENTS * 2];
     54 
     55    struct nouveau_bo *interlaced, *full;
     56    int mvidx;
     57    unsigned frame_num, frame_num_max;
     58 };
     59 
     60 struct nv84_decoder {
     61    struct pipe_video_codec base;
     62    struct nouveau_client *client;
     63    struct nouveau_object *bsp_channel, *vp_channel, *bsp, *vp;
     64    struct nouveau_pushbuf *bsp_pushbuf, *vp_pushbuf;
     65    struct nouveau_bufctx *bsp_bufctx, *vp_bufctx;
     66 
     67    struct nouveau_bo *bsp_fw, *bsp_data;
     68    struct nouveau_bo *vp_fw, *vp_data;
     69    struct nouveau_bo *mbring, *vpring;
     70 
     71    /*
     72     * states:
     73     *  0: init
     74     *  1: vpring/mbring cleared, bsp is ready
     75     *  2: bsp is done, vp is ready
     76     * and then vp it back to 1
     77     */
     78    struct nouveau_bo *fence;
     79 
     80    struct nouveau_bo *bitstream;
     81    struct nouveau_bo *vp_params;
     82 
     83    size_t vp_fw2_offset;
     84 
     85    unsigned frame_mbs, frame_size;
     86    /* VPRING layout:
     87         RESIDUAL
     88         CTRL
     89         DEBLOCK
     90         0x1000
     91    */
     92    unsigned vpring_deblock, vpring_residual, vpring_ctrl;
     93 
     94 
     95    struct vl_mpg12_bs *mpeg12_bs;
     96 
     97    struct nouveau_bo *mpeg12_bo;
     98    void *mpeg12_mb_info;
     99    uint16_t *mpeg12_data;
    100    const int *zscan;
    101    uint8_t mpeg12_intra_matrix[64];
    102    uint8_t mpeg12_non_intra_matrix[64];
    103 };
    104 
    105 static inline uint32_t mb(uint32_t coord)
    106 {
    107    return (coord + 0xf)>>4;
    108 }
    109 
    110 static inline uint32_t mb_half(uint32_t coord)
    111 {
    112    return (coord + 0x1f)>>5;
    113 }
    114 
    115 int
    116 nv84_decoder_bsp(struct nv84_decoder *dec,
    117                  struct pipe_h264_picture_desc *desc,
    118                  unsigned num_buffers,
    119                  const void *const *data,
    120                  const unsigned *num_bytes,
    121                  struct nv84_video_buffer *dest);
    122 
    123 void
    124 nv84_decoder_vp_h264(struct nv84_decoder *dec,
    125                      struct pipe_h264_picture_desc *desc,
    126                      struct nv84_video_buffer *dest);
    127 
    128 void
    129 nv84_decoder_vp_mpeg12_mb(struct nv84_decoder *dec,
    130                           struct pipe_mpeg12_picture_desc *desc,
    131                           const struct pipe_mpeg12_macroblock *mb);
    132 
    133 void
    134 nv84_decoder_vp_mpeg12(struct nv84_decoder *dec,
    135                        struct pipe_mpeg12_picture_desc *desc,
    136                        struct nv84_video_buffer *dest);
    137 
    138 #endif
    139