src/gallium/drivers/nouveau/nouveau_video.h

   1 #ifndef __NOUVEAU_VIDEO_H__
   2 #define __NOUVEAU_VIDEO_H__
   3
   4 #include "nv17_mpeg.xml.h"
   5 #include "nv31_mpeg.xml.h"
   6 #include "nv_object.xml.h"
   7
   8 #include "nouveau_winsys.h"
   9
  10 struct nouveau_video_buffer {
  11    struct pipe_video_buffer base;
  12    unsigned num_planes;
  13    struct pipe_resource     *resources[VL_NUM_COMPONENTS];
  14    struct pipe_sampler_view *sampler_view_planes[VL_NUM_COMPONENTS];
  15    struct pipe_sampler_view *sampler_view_components[VL_NUM_COMPONENTS];
  16    struct pipe_surface      *surfaces[VL_NUM_COMPONENTS * 2];
  17 };
  18
  19 struct nouveau_decoder {
  20    struct pipe_video_codec base;
  21    struct nouveau_screen *screen;
  22    struct nouveau_pushbuf *push;
  23    struct nouveau_object *chan;
  24    struct nouveau_client *client;
  25    struct nouveau_bufctx *bufctx;
  26    struct nouveau_object *mpeg;
  27    struct nouveau_bo *cmd_bo, *data_bo, *fence_bo;
  28
  29    unsigned *fence_map;
  30    unsigned fence_seq;
  31
  32    unsigned ofs;
  33    unsigned *cmds;
  34
  35    unsigned *data;
  36    unsigned data_pos;
  37    unsigned picture_structure;
  38
  39    unsigned past, future, current;
  40    unsigned num_surfaces;
  41    struct nouveau_video_buffer *surfaces[8];
  42 };
  43
  44 #define NV31_VIDEO_BIND_IMG(i)  i
  45 #define NV31_VIDEO_BIND_CMD     NV31_MPEG_IMAGE_Y_OFFSET__LEN
  46 #define NV31_VIDEO_BIND_COUNT  (NV31_MPEG_IMAGE_Y_OFFSET__LEN + 1)
  47
  48 static inline void
  49 nouveau_vpe_write(struct nouveau_decoder *dec, unsigned data) {
  50    dec->cmds[dec->ofs++] = data;
  51 }
  52
  53 #define SUBC_MPEG(mthd) 1, mthd
  54 #define NV31_MPEG(mthd) SUBC_MPEG(NV31_MPEG_##mthd)
  55 #define NV84_MPEG(mthd) SUBC_MPEG(NV84_MPEG_##mthd)
  56
  57 static inline uint32_t
  58 NV04_FIFO_PKHDR(int subc, int mthd, unsigned size)
  59 {
  60    return 0x00000000 | (size << 18) | (subc << 13) | mthd;
  61 }
  62
  63 static inline uint32_t
  64 NV04_FIFO_PKHDR_NI(int subc, int mthd, unsigned size)
  65 {
  66    return 0x40000000 | (size << 18) | (subc << 13) | mthd;
  67 }
  68
  69 static inline void
  70 BEGIN_NV04(struct nouveau_pushbuf *push, int subc, int mthd, unsigned size)
  71 {
  72    PUSH_SPACE(push, size + 1);
  73    PUSH_DATA (push, NV04_FIFO_PKHDR(subc, mthd, size));
  74 }
  75
  76 static inline void
  77 BEGIN_NI04(struct nouveau_pushbuf *push, int subc, int mthd, unsigned size)
  78 {
  79    PUSH_SPACE(push, size + 1);
  80    PUSH_DATA (push, NV04_FIFO_PKHDR_NI(subc, mthd, size));
  81 }
  82
  83 static inline void
  84 PUSH_MTHDl(struct nouveau_pushbuf *push, int subc, int mthd,
  85            struct nouveau_bo *bo, uint32_t offset,
  86            struct nouveau_bufctx *ctx, int bin, uint32_t rw)
  87 {
  88    nouveau_bufctx_mthd(ctx, bin, NV04_FIFO_PKHDR(subc, mthd, 1),
  89                        bo, offset,
  90                        NOUVEAU_BO_LOW | (bo->flags & NOUVEAU_BO_APER) | rw,
  91                        0, 0);
  92
  93    PUSH_DATA(push, bo->offset + offset);
  94 }
  95
  96 #endif