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 <util/u_double_list.h>
  34 #include <util/u_inlines.h>
  35 #include <os/os_thread.h>
  36 #include "r600.h"
  37
  38 struct r600_bomgr;
  39
  40 struct radeon {
  41         int                             fd;
  42         int                             refcount;
  43         unsigned                        device;
  44         unsigned                        family;
  45         enum chip_class                 chip_class;
  46         struct r600_tiling_info         tiling_info;
  47         struct r600_bomgr               *bomgr;
  48         unsigned                        *cfence;
  49 };
  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         unsigned                        size;
  79         unsigned                        tiling_flags;
  80         unsigned                        kernel_pitch;
  81         unsigned                        domains;
  82         struct radeon_bo                *bo;
  83         unsigned                        fence;
  84         /* manager data */
  85         struct list_head                list;
  86         unsigned                        manager_id;
  87         unsigned                        alignment;
  88         unsigned                        offset;
  89         int64_t                         start;
  90         int64_t                         end;
  91 };
  92
  93 struct r600_bomgr {
  94         struct radeon                   *radeon;
  95         unsigned                        usecs;
  96         pipe_mutex                      mutex;
  97         struct list_head                delayed;
  98         unsigned                        num_delayed;
  99 };
 100
 101 /*
 102  * r600_drm.c
 103  */
 104 struct radeon *r600_new(int fd, unsigned device);
 105 void r600_delete(struct radeon *r600);
 106
 107 /*
 108  * radeon_pciid.c
 109  */
 110 unsigned radeon_family_from_device(unsigned device);
 111
 112 /*
 113  * radeon_bo.c
 114  */
 115 struct radeon_bo *radeon_bo(struct radeon *radeon, unsigned handle,
 116                             unsigned size, unsigned alignment);
 117 void radeon_bo_reference(struct radeon *radeon, struct radeon_bo **dst,
 118                          struct radeon_bo *src);
 119 int radeon_bo_wait(struct radeon *radeon, struct radeon_bo *bo);
 120 int radeon_bo_busy(struct radeon *radeon, struct radeon_bo *bo, uint32_t *domain);
 121 int radeon_bo_fencelist(struct radeon *radeon, struct radeon_bo **bolist, uint32_t num_bo);
 122 int radeon_bo_get_tiling_flags(struct radeon *radeon,
 123                                struct radeon_bo *bo,
 124                                uint32_t *tiling_flags,
 125                                uint32_t *pitch);
 126 int radeon_bo_get_name(struct radeon *radeon,
 127                        struct radeon_bo *bo,
 128                        uint32_t *name);
 129
 130 /*
 131  * r600_hw_context.c
 132  */
 133 int r600_context_init_fence(struct r600_context *ctx);
 134 void r600_context_bo_reloc(struct r600_context *ctx, u32 *pm4, struct r600_bo *rbo);
 135 void r600_context_bo_flush(struct r600_context *ctx, unsigned flush_flags,
 136                                 unsigned flush_mask, struct r600_bo *rbo);
 137 struct r600_bo *r600_context_reg_bo(struct r600_context *ctx, unsigned offset);
 138 int r600_context_add_block(struct r600_context *ctx, const struct r600_reg *reg, unsigned nreg);
 139
 140 /*
 141  * r600_bo.c
 142  */
 143 void r600_bo_destroy(struct radeon *radeon, struct r600_bo *bo);
 144
 145 /*
 146  * r600_bomgr.c
 147  */
 148 struct r600_bomgr *r600_bomgr_create(struct radeon *radeon, unsigned usecs);
 149 void r600_bomgr_destroy(struct r600_bomgr *mgr);
 150 bool r600_bomgr_bo_destroy(struct r600_bomgr *mgr, struct r600_bo *bo);
 151 void r600_bomgr_bo_init(struct r600_bomgr *mgr, struct r600_bo *bo);
 152 struct r600_bo *r600_bomgr_bo_create(struct r600_bomgr *mgr,
 153                                         unsigned size,
 154                                         unsigned alignment,
 155                                         unsigned cfence);
 156
 157
 158 /*
 159  * helpers
 160  */
 161 #define CTX_RANGE_ID(ctx, offset) (((offset) >> (ctx)->hash_shift) & 255)
 162 #define CTX_BLOCK_ID(ctx, offset) ((offset) & ((1 << (ctx)->hash_shift) - 1))
 163
 164 static void inline r600_context_reg(struct r600_context *ctx,
 165                                         unsigned offset, unsigned value,
 166                                         unsigned mask)
 167 {
 168         struct r600_range *range;
 169         struct r600_block *block;
 170         unsigned id;
 171
 172         range = &ctx->range[CTX_RANGE_ID(ctx, offset)];
 173         block = range->blocks[CTX_BLOCK_ID(ctx, offset)];
 174         id = (offset - block->start_offset) >> 2;
 175         block->reg[id] &= ~mask;
 176         block->reg[id] |= value;
 177         if (!(block->status & R600_BLOCK_STATUS_DIRTY)) {
 178                 ctx->pm4_dirty_cdwords += block->pm4_ndwords;
 179                 block->status |= R600_BLOCK_STATUS_ENABLED;
 180                 block->status |= R600_BLOCK_STATUS_DIRTY;
 181                 LIST_ADDTAIL(&block->list,&ctx->dirty);
 182         }
 183 }
 184
 185 static inline void r600_context_block_emit_dirty(struct r600_context *ctx, struct r600_block *block)
 186 {
 187         int id;
 188
 189         for (int j = 0; j < block->nreg; j++) {
 190                 if (block->pm4_bo_index[j]) {
 191                         /* find relocation */
 192                         id = block->pm4_bo_index[j];
 193                         r600_context_bo_reloc(ctx,
 194                                         &block->pm4[block->reloc[id].bo_pm4_index],
 195                                         block->reloc[id].bo);
 196                         r600_context_bo_flush(ctx,
 197                                         block->reloc[id].flush_flags,
 198                                         block->reloc[id].flush_mask,
 199                                         block->reloc[id].bo);
 200                 }
 201         }
 202         memcpy(&ctx->pm4[ctx->pm4_cdwords], block->pm4, block->pm4_ndwords * 4);
 203         ctx->pm4_cdwords += block->pm4_ndwords;
 204         block->status ^= R600_BLOCK_STATUS_DIRTY;
 205         LIST_DELINIT(&block->list);
 206 }
 207
 208 /*
 209  * radeon_bo.c
 210  */
 211 static inline int radeon_bo_map(struct radeon *radeon, struct radeon_bo *bo)
 212 {
 213         bo->map_count++;
 214         return 0;
 215 }
 216
 217 static inline void radeon_bo_unmap(struct radeon *radeon, struct radeon_bo *bo)
 218 {
 219         bo->map_count--;
 220         assert(bo->map_count >= 0);
 221 }
 222
 223 /*
 224  * r600_bo
 225  */
 226 static inline struct radeon_bo *r600_bo_get_bo(struct r600_bo *bo)
 227 {
 228         return bo->bo;
 229 }
 230
 231 static unsigned inline r600_bo_get_handle(struct r600_bo *bo)
 232 {
 233         return bo->bo->handle;
 234 }
 235
 236 static unsigned inline r600_bo_get_size(struct r600_bo *bo)
 237 {
 238         return bo->size;
 239 }
 240
 241 /*
 242  * fence
 243  */
 244 static inline bool fence_is_after(unsigned fence, unsigned ofence)
 245 {
 246         /* handle wrap around */
 247         if (fence < 0x80000000 && ofence > 0x80000000)
 248                 return TRUE;
 249         if (fence > ofence)
 250                 return TRUE;
 251         return FALSE;
 252 }
 253
 254 #endif