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 "r600.h"
  35
  36 struct radeon {
  37         int                             fd;
  38         int                             refcount;
  39         unsigned                        device;
  40         unsigned                        family;
  41         enum chip_class                 chip_class;
  42         boolean                         use_mem_constant; /* true for evergreen */
  43         struct pb_manager *mman; /* malloc manager */
  44         struct pb_manager *kman; /* kernel bo manager */
  45         struct pb_manager *cman; /* cached bo manager */
  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 };
  58
  59 struct radeon_bo {
  60         struct pipe_reference           reference;
  61         unsigned                        handle;
  62         unsigned                        size;
  63         unsigned                        alignment;
  64         unsigned                        map_count;
  65         void                            *data;
  66 };
  67
  68 struct r600_bo {
  69         struct pipe_reference           reference;
  70         struct pb_buffer                *pb;
  71         unsigned                        size;
  72 };
  73
  74
  75 /* radeon_pciid.c */
  76 unsigned radeon_family_from_device(unsigned device);
  77
  78 /* r600_drm.c */
  79 struct radeon *radeon_decref(struct radeon *radeon);
  80
  81 /* radeon_bo.c */
  82 struct radeon_bo *radeon_bo(struct radeon *radeon, unsigned handle,
  83                             unsigned size, unsigned alignment, void *ptr);
  84 void radeon_bo_reference(struct radeon *radeon, struct radeon_bo **dst,
  85                          struct radeon_bo *src);
  86 int radeon_bo_wait(struct radeon *radeon, struct radeon_bo *bo);
  87 int radeon_bo_busy(struct radeon *radeon, struct radeon_bo *bo, uint32_t *domain);
  88 void radeon_bo_pbmgr_flush_maps(struct pb_manager *_mgr);
  89
  90 /* radeon_bo_pb.c */
  91 struct radeon_bo *radeon_bo_pb_get_bo(struct pb_buffer *_buf);
  92 struct pb_manager *radeon_bo_pbmgr_create(struct radeon *radeon);
  93 struct pb_buffer *radeon_bo_pb_create_buffer_from_handle(struct pb_manager *_mgr,
  94                                                          uint32_t handle);
  95
  96 /* r600_hw_context.c */
  97 void r600_context_bo_reloc(struct r600_context *ctx, u32 *pm4, struct r600_bo *rbo);
  98 struct r600_bo *r600_context_reg_bo(struct r600_context *ctx, unsigned offset);
  99 int r600_context_add_block(struct r600_context *ctx, const struct r600_reg *reg, unsigned nreg);
 100
 101 /* r600_bo.c */
 102 unsigned r600_bo_get_handle(struct r600_bo *bo);
 103 unsigned r600_bo_get_size(struct r600_bo *bo);
 104 static INLINE struct radeon_bo *r600_bo_get_bo(struct r600_bo *bo)
 105 {
 106         return radeon_bo_pb_get_bo(bo->pb);
 107 }
 108
 109 #define CTX_RANGE_ID(ctx, offset) (((offset) >> (ctx)->hash_shift) & 255)
 110 #define CTX_BLOCK_ID(ctx, offset) ((offset) & ((1 << (ctx)->hash_shift) - 1))
 111
 112 static void inline r600_context_reg(struct r600_context *ctx,
 113                                         unsigned offset, unsigned value,
 114                                         unsigned mask)
 115 {
 116         struct r600_range *range;
 117         struct r600_block *block;
 118         unsigned id;
 119
 120         range = &ctx->range[CTX_RANGE_ID(ctx, offset)];
 121         block = range->blocks[CTX_BLOCK_ID(ctx, offset)];
 122         id = (offset - block->start_offset) >> 2;
 123         block->reg[id] &= ~mask;
 124         block->reg[id] |= value;
 125         if (!(block->status & R600_BLOCK_STATUS_DIRTY)) {
 126                 ctx->pm4_dirty_cdwords += block->pm4_ndwords;
 127                 block->status |= R600_BLOCK_STATUS_ENABLED;
 128                 block->status |= R600_BLOCK_STATUS_DIRTY;
 129         }
 130 }
 131
 132 static inline void r600_context_block_emit_dirty(struct r600_context *ctx, struct r600_block *block)
 133 {
 134         int id;
 135
 136         for (int j = 0; j < block->nreg; j++) {
 137                 if (block->pm4_bo_index[j]) {
 138                         /* find relocation */
 139                         id = block->pm4_bo_index[j];
 140                         for (int k = 0; k < block->reloc[id].nreloc; k++) {
 141                                 r600_context_bo_reloc(ctx,
 142                                         &block->pm4[block->reloc[id].bo_pm4_index[k]],
 143                                         block->reloc[id].bo);
 144                         }
 145                 }
 146         }
 147         memcpy(&ctx->pm4[ctx->pm4_cdwords], block->pm4, block->pm4_ndwords * 4);
 148         ctx->pm4_cdwords += block->pm4_ndwords;
 149         block->status ^= R600_BLOCK_STATUS_DIRTY;
 150 }
 151
 152 static inline int radeon_bo_map(struct radeon *radeon, struct radeon_bo *bo)
 153 {
 154         bo->map_count++;
 155         return 0;
 156 }
 157
 158 static inline void radeon_bo_unmap(struct radeon *radeon, struct radeon_bo *bo)
 159 {
 160         bo->map_count--;
 161         assert(bo->map_count >= 0);
 162 }
 163
 164 #endif