drivers/mxc/gpu-viv/arch/XAQ2/hal/kernel/gc_hal_kernel_context.h

   1 /****************************************************************************
   2 *
   3 *    Copyright (C) 2005 - 2011 by Vivante Corp.
   4 *
   5 *    This program is free software; you can redistribute it and/or modify
   6 *    it under the terms of the GNU General Public License as published by
   7 *    the Free Software Foundation; either version 2 of the license, or
   8 *    (at your option) any later version.
   9 *
  10 *    This program is distributed in the hope that it will be useful,
  11 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13 *    GNU General Public License for more details.
  14 *
  15 *    You should have received a copy of the GNU General Public License
  16 *    along with this program; if not write to the Free Software
  17 *    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  18 *
  19 *****************************************************************************/
  20
  21
  22
  23
  24 #ifndef __gc_hal_kernel_context_h_
  25 #define __gc_hal_kernel_context_h_
  26
  27 #include "gc_hal_kernel_buffer.h"
  28
  29 #ifdef __cplusplus
  30 extern "C" {
  31 #endif
  32
  33 /* Maps state locations within the context buffer. */
  34 typedef struct _gcsSTATE_MAP * gcsSTATE_MAP_PTR;
  35 typedef struct _gcsSTATE_MAP
  36 {
  37     /* Index of the state in the context buffer. */
  38     gctUINT                     index;
  39
  40     /* State mask. */
  41     gctUINT32                   mask;
  42 }
  43 gcsSTATE_MAP;
  44
  45 /* Context buffer. */
  46 typedef struct _gcsCONTEXT * gcsCONTEXT_PTR;
  47 typedef struct _gcsCONTEXT
  48 {
  49     /* For debugging: the number of context buffer in the order of creation. */
  50 #if gcmIS_DEBUG(gcdDEBUG_CODE)
  51     gctUINT                     num;
  52 #endif
  53
  54     /* Pointer to gckEVENT object. */
  55     gckEVENT                    eventObj;
  56
  57     /* Context busy signal. */
  58     gctSIGNAL                   signal;
  59
  60     /* Physical address of the context buffer. */
  61     gctPHYS_ADDR                physical;
  62
  63     /* Logical address of the context buffer. */
  64     gctUINT32_PTR               logical;
  65
  66     /* Pointer to the LINK commands. */
  67     gctPOINTER                  link2D;
  68     gctPOINTER                  link3D;
  69
  70     /* The number of pending state deltas. */
  71     gctUINT                     deltaCount;
  72
  73     /* Pointer to the first delta to be applied. */
  74     gcsSTATE_DELTA_PTR          delta;
  75
  76     /* Next context buffer. */
  77     gcsCONTEXT_PTR              next;
  78 }
  79 gcsCONTEXT;
  80
  81 /* gckCONTEXT structure that hold the current context. */
  82 struct _gckCONTEXT
  83 {
  84     /* Object. */
  85     gcsOBJECT                   object;
  86
  87     /* Pointer to gckOS object. */
  88     gckOS                       os;
  89
  90     /* Pointer to gckHARDWARE object. */
  91     gckHARDWARE                 hardware;
  92
  93     /* Command buffer alignment. */
  94     gctSIZE_T                   alignment;
  95     gctSIZE_T                   reservedHead;
  96     gctSIZE_T                   reservedTail;
  97
  98     /* Context buffer metrics. */
  99     gctSIZE_T                   stateCount;
 100     gctSIZE_T                   totalSize;
 101     gctSIZE_T                   bufferSize;
 102     gctUINT32                   linkIndex2D;
 103     gctUINT32                   linkIndex3D;
 104     gctUINT32                   linkIndexXD;
 105     gctUINT32                   entryOffset3D;
 106     gctUINT32                   entryOffsetXDFrom2D;
 107     gctUINT32                   entryOffsetXDFrom3D;
 108
 109     /* Dirty flags. */
 110     gctBOOL                     dirty;
 111     gctBOOL                     dirty2D;
 112     gctBOOL                     dirty3D;
 113     gcsCONTEXT_PTR              dirtyBuffer;
 114
 115     /* State mapping. */
 116     gcsSTATE_MAP_PTR            map;
 117
 118     /* List of context buffers. */
 119     gcsCONTEXT_PTR              buffer;
 120
 121     /* A copy of the user record array. */
 122     gctUINT                     recordArraySize;
 123     gcsSTATE_DELTA_RECORD_PTR   recordArray;
 124
 125     /* Requested pipe select for context. */
 126     gcePIPE_SELECT              entryPipe;
 127     gcePIPE_SELECT              exitPipe;
 128
 129     /* Variables used for building state buffer. */
 130     gctUINT32                   lastAddress;
 131     gctSIZE_T                   lastSize;
 132     gctUINT32                   lastIndex;
 133     gctBOOL                     lastFixed;
 134
 135     /* Hint array. */
 136 #if gcdSECURE_USER
 137     gctBOOL_PTR                 hint;
 138 #endif
 139 };
 140
 141 #ifdef __cplusplus
 142 }
 143 #endif
 144
 145 #endif /* __gc_hal_kernel_context_h_ */
 146