src/gallium/winsys/r600/drm/r600_priv.h

   1 /*
   2  * Copyright 2010 Jerome Glisse <glisse@freedesktop.org>
   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  * on the rights to use, copy, modify, merge, publish, distribute, sub
   8  * license, and/or sell copies of the Software, and to permit persons to whom
   9  * the Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  18  * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
  19  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  20  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  21  * USE OR OTHER DEALINGS IN THE SOFTWARE.
  22  *
  23  * Authors:
  24  *      Jerome Glisse
  25  */
  26 #ifndef R600_PRIV_H
  27 #define R600_PRIV_H
  28
  29 #include <errno.h>
  30 #include <stdint.h>
  31 #include <stdlib.h>
  32 #include <assert.h>
  33 #include <pipebuffer/pb_bufmgr.h>
  34 #include "util/u_double_list.h"
  35 #include "r600.h"
  36
  37 struct radeon {
  38         int                             fd;
  39         int                             refcount;
  40         unsigned                        device;
  41         unsigned                        family;
  42         enum chip_class                 chip_class;
  43         struct pb_manager *kman; /* kernel bo manager */
  44         struct pb_manager *cman; /* cached bo manager */
  45         struct r600_tiling_info tiling_info;
  46 };
  47
  48 struct radeon *r600_new(int fd, unsigned device);
  49 void r600_delete(struct radeon *r600);
  50
  51 struct r600_reg {
  52         unsigned                        opcode;
  53         unsigned                        offset_base;
  54         unsigned                        offset;
  55         unsigned                        need_bo;
  56         unsigned                        flush_flags;
  57         unsigned                        flush_mask;
  58 };
  59
  60 struct radeon_bo {
  61         struct pipe_reference           reference;
  62         unsigned                        handle;
  63         unsigned                        size;
  64         unsigned                        alignment;
  65         int                             map_count;
  66         void                            *data;
  67         struct list_head                fencedlist;
  68         unsigned                        fence;
  69         struct r600_context             *ctx;
  70         boolean                         shared;
  71         struct r600_reloc               *reloc;
  72         unsigned                        reloc_id;
  73         unsigned                        last_flush;
  74 };
  75
  76 struct r600_bo {
  77         struct pipe_reference           reference;
  78         struct pb_buffer                *pb;
  79         unsigned                        size;
  80         unsigned                        tiling_flags;
  81         unsigned                        kernel_pitch;
  82         unsigned                        domains;
  83 };
  84
  85
  86 /* radeon_pciid.c */
  87 unsigned radeon_family_from_device(unsigned device);
  88
  89 /* r600_drm.c */
  90 struct radeon *radeon_decref(struct radeon *radeon);
  91
  92 /* radeon_bo.c */
  93 struct radeon_bo *radeon_bo(struct radeon *radeon, unsigned handle,
  94                             unsigned size, unsigned alignment);
  95 void radeon_bo_reference(struct radeon *radeon, struct radeon_bo **dst,
  96                          struct radeon_bo *src);
  97 int radeon_bo_wait(struct radeon *radeon, struct radeon_bo *bo);
  98 int radeon_bo_busy(struct radeon *radeon, struct radeon_bo *bo, uint32_t *domain);
  99 void radeon_bo_pbmgr_flush_maps(struct pb_manager *_mgr);
 100 int radeon_bo_fencelist(struct radeon *radeon, struct radeon_bo **bolist, uint32_t num_bo);
 101 int radeon_bo_get_tiling_flags(struct radeon *radeon,
 102                                struct radeon_bo *bo,
 103                                uint32_t *tiling_flags,
 104                                uint32_t *pitch);
 105
 106 /* radeon_bo_pb.c */
 107 struct radeon_bo *radeon_bo_pb_get_bo(struct pb_buffer *_buf);
 108 struct pb_manager *radeon_bo_pbmgr_create(struct radeon *radeon);
 109 struct pb_buffer *radeon_bo_pb_create_buffer_from_handle(struct pb_manager *_mgr,
 110                                                          uint32_t handle);
 111
 112 /* r600_hw_context.c */
 113 int r600_context_init_fence(struct r600_context *ctx);
 114 void r600_context_bo_reloc(struct r600_context *ctx, u32 *pm4, struct r600_bo *rbo);
 115 void r600_context_bo_flush(struct r600_context *ctx, unsigned flush_flags,
 116                                 unsigned flush_mask, struct r600_bo *rbo);
 117 struct r600_bo *r600_context_reg_bo(struct r600_context *ctx, unsigned offset);
 118 int r600_context_add_block(struct r600_context *ctx, const struct r600_reg *reg, unsigned nreg);
 119
 120 /* r600_bo.c */
 121 unsigned r600_bo_get_handle(struct r600_bo *bo);
 122 unsigned r600_bo_get_size(struct r600_bo *bo);
 123 static INLINE struct radeon_bo *r600_bo_get_bo(struct r600_bo *bo)
 124 {
 125         return radeon_bo_pb_get_bo(bo->pb);
 126 }
 127
 128 #define CTX_RANGE_ID(ctx, offset) (((offset) >> (ctx)->hash_shift) & 255)
 129 #define CTX_BLOCK_ID(ctx, offset) ((offset) & ((1 << (ctx)->hash_shift) - 1))
 130
 131 static void inline r600_context_reg(struct r600_context *ctx,
 132                                         unsigned offset, unsigned value,
 133                                         unsigned mask)
 134 {
 135         struct r600_range *range;
 136         struct r600_block *block;
 137         unsigned id;
 138
 139         range = &ctx->range[CTX_RANGE_ID(ctx, offset)];
 140         block = range->blocks[CTX_BLOCK_ID(ctx, offset)];
 141         id = (offset - block->start_offset) >> 2;
 142         block->reg[id] &= ~mask;
 143         block->reg[id] |= value;
 144         if (!(block->status & R600_BLOCK_STATUS_DIRTY)) {
 145                 ctx->pm4_dirty_cdwords += block->pm4_ndwords;
 146                 block->status |= R600_BLOCK_STATUS_ENABLED;
 147                 block->status |= R600_BLOCK_STATUS_DIRTY;
 148                 LIST_ADDTAIL(&block->list,&ctx->dirty);
 149         }
 150 }
 151
 152 static inline void r600_context_block_emit_dirty(struct r600_context *ctx, struct r600_block *block)
 153 {
 154         int id;
 155
 156         for (int j = 0; j < block->nreg; j++) {
 157                 if (block->pm4_bo_index[j]) {
 158                         /* find relocation */
 159                         id = block->pm4_bo_index[j];
 160                         r600_context_bo_reloc(ctx,
 161                                         &block->pm4[block->reloc[id].bo_pm4_index],
 162                                         block->reloc[id].bo);
 163                         r600_context_bo_flush(ctx,
 164                                         block->reloc[id].flush_flags,
 165                                         block->reloc[id].flush_mask,
 166                                         block->reloc[id].bo);
 167                 }
 168         }
 169         memcpy(&ctx->pm4[ctx->pm4_cdwords], block->pm4, block->pm4_ndwords * 4);
 170         ctx->pm4_cdwords += block->pm4_ndwords;
 171         block->status ^= R600_BLOCK_STATUS_DIRTY;
 172         LIST_DELINIT(&block->list);
 173 }
 174
 175 static inline int radeon_bo_map(struct radeon *radeon, struct radeon_bo *bo)
 176 {
 177         bo->map_count++;
 178         return 0;
 179 }
 180
 181 static inline void radeon_bo_unmap(struct radeon *radeon, struct radeon_bo *bo)
 182 {
 183         bo->map_count--;
 184         assert(bo->map_count >= 0);
 185 }
 186
 187 #endif