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 "util/u_hash_table.h"
  36 #include <os/os_thread.h>
  37 #include "r600.h"
  38
  39 struct r600_bomgr;
  40 struct r600_bo;
  41
  42 struct radeon {
  43         int                             fd;
  44         int                             refcount;
  45         unsigned                        device;
  46         unsigned                        family;
  47         enum chip_class                 chip_class;
  48         struct r600_tiling_info         tiling_info;
  49         struct r600_bomgr               *bomgr;
  50         unsigned                        fence;
  51         unsigned                        *cfence;
  52         struct r600_bo                  *fence_bo;
  53         unsigned                        clock_crystal_freq;
  54         unsigned                        num_backends;
  55         unsigned                        minor_version;
  56
  57         /* List of buffer handles and its mutex. */
  58         struct util_hash_table          *bo_handles;
  59         pipe_mutex bo_handles_mutex;
  60 };
  61
  62 #define REG_FLAG_NEED_BO 1
  63 #define REG_FLAG_DIRTY_ALWAYS 2
  64
  65 struct r600_reg {
  66         unsigned                        opcode;
  67         unsigned                        offset_base;
  68         unsigned                        offset;
  69         unsigned                        flags;
  70         unsigned                        flush_flags;
  71         unsigned                        flush_mask;
  72 };
  73
  74 struct radeon_bo {
  75         struct pipe_reference           reference;
  76         unsigned                        handle;
  77         unsigned                        size;
  78         unsigned                        alignment;
  79         int                             map_count;
  80         void                            *data;
  81         struct list_head                fencedlist;
  82         unsigned                        fence;
  83         struct r600_context             *ctx;
  84         boolean                         shared;
  85         struct r600_reloc               *reloc;
  86         unsigned                        reloc_id;
  87         unsigned                        last_flush;
  88         unsigned                        name;
  89 };
  90
  91 struct r600_bo {
  92         struct pipe_reference           reference;
  93         unsigned                        size;
  94         unsigned                        tiling_flags;
  95         unsigned                        kernel_pitch;
  96         unsigned                        domains;
  97         struct radeon_bo                *bo;
  98         unsigned                        fence;
  99         /* manager data */
 100         struct list_head                list;
 101         unsigned                        manager_id;
 102         unsigned                        alignment;
 103         unsigned                        offset;
 104         int64_t                         start;
 105         int64_t                         end;
 106 };
 107
 108 struct r600_bomgr {
 109         struct radeon                   *radeon;
 110         unsigned                        usecs;
 111         pipe_mutex                      mutex;
 112         struct list_head                delayed;
 113         unsigned                        num_delayed;
 114 };
 115
 116 /*
 117  * r600_drm.c
 118  */
 119 struct radeon *r600_new(int fd, unsigned device);
 120 void r600_delete(struct radeon *r600);
 121
 122 /*
 123  * radeon_pciid.c
 124  */
 125 unsigned radeon_family_from_device(unsigned device);
 126
 127 /*
 128  * radeon_bo.c
 129  */
 130 struct radeon_bo *radeon_bo(struct radeon *radeon, unsigned handle,
 131                             unsigned size, unsigned alignment);
 132 void radeon_bo_reference(struct radeon *radeon, struct radeon_bo **dst,
 133                          struct radeon_bo *src);
 134 int radeon_bo_wait(struct radeon *radeon, struct radeon_bo *bo);
 135 int radeon_bo_busy(struct radeon *radeon, struct radeon_bo *bo, uint32_t *domain);
 136 int radeon_bo_fencelist(struct radeon *radeon, struct radeon_bo **bolist, uint32_t num_bo);
 137 int radeon_bo_get_tiling_flags(struct radeon *radeon,
 138                                struct radeon_bo *bo,
 139                                uint32_t *tiling_flags,
 140                                uint32_t *pitch);
 141 int radeon_bo_get_name(struct radeon *radeon,
 142                        struct radeon_bo *bo,
 143                        uint32_t *name);
 144
 145 /*
 146  * r600_hw_context.c
 147  */
 148 int r600_context_init_fence(struct r600_context *ctx);
 149 void r600_context_bo_reloc(struct r600_context *ctx, u32 *pm4, struct r600_bo *rbo);
 150 void r600_context_bo_flush(struct r600_context *ctx, unsigned flush_flags,
 151                                 unsigned flush_mask, struct r600_bo *rbo);
 152 struct r600_bo *r600_context_reg_bo(struct r600_context *ctx, unsigned offset);
 153 int r600_context_add_block(struct r600_context *ctx, const struct r600_reg *reg, unsigned nreg);
 154
 155 /*
 156  * r600_bo.c
 157  */
 158 void r600_bo_destroy(struct radeon *radeon, struct r600_bo *bo);
 159
 160 /*
 161  * r600_bomgr.c
 162  */
 163 struct r600_bomgr *r600_bomgr_create(struct radeon *radeon, unsigned usecs);
 164 void r600_bomgr_destroy(struct r600_bomgr *mgr);
 165 bool r600_bomgr_bo_destroy(struct r600_bomgr *mgr, struct r600_bo *bo);
 166 void r600_bomgr_bo_init(struct r600_bomgr *mgr, struct r600_bo *bo);
 167 struct r600_bo *r600_bomgr_bo_create(struct r600_bomgr *mgr,
 168                                         unsigned size,
 169                                         unsigned alignment,
 170                                         unsigned cfence);
 171
 172
 173 /*
 174  * helpers
 175  */
 176 #define CTX_RANGE_ID(ctx, offset) (((offset) >> (ctx)->hash_shift) & 255)
 177 #define CTX_BLOCK_ID(ctx, offset) ((offset) & ((1 << (ctx)->hash_shift) - 1))
 178
 179 static void inline r600_context_reg(struct r600_context *ctx,
 180                                         unsigned offset, unsigned value,
 181                                         unsigned mask)
 182 {
 183         struct r600_range *range;
 184         struct r600_block *block;
 185         unsigned id;
 186
 187         range = &ctx->range[CTX_RANGE_ID(ctx, offset)];
 188         block = range->blocks[CTX_BLOCK_ID(ctx, offset)];
 189         id = (offset - block->start_offset) >> 2;
 190         block->reg[id] &= ~mask;
 191         block->reg[id] |= value;
 192         if (!(block->status & R600_BLOCK_STATUS_DIRTY)) {
 193                 ctx->pm4_dirty_cdwords += block->pm4_ndwords;
 194                 block->status |= R600_BLOCK_STATUS_ENABLED;
 195                 block->status |= R600_BLOCK_STATUS_DIRTY;
 196                 LIST_ADDTAIL(&block->list,&ctx->dirty);
 197         }
 198 }
 199
 200 static inline void r600_context_dirty_block(struct r600_context *ctx, struct r600_block *block,
 201                                             int dirty)
 202 {
 203         if ((dirty != (block->status & R600_BLOCK_STATUS_DIRTY)) || !(block->status & R600_BLOCK_STATUS_ENABLED)) {
 204                 block->status |= R600_BLOCK_STATUS_ENABLED;
 205                 block->status |= R600_BLOCK_STATUS_DIRTY;
 206                 ctx->pm4_dirty_cdwords += block->pm4_ndwords + block->pm4_flush_ndwords;
 207                 LIST_ADDTAIL(&block->list,&ctx->dirty);
 208         }
 209 }
 210
 211 static inline void r600_context_block_emit_dirty(struct r600_context *ctx, struct r600_block *block)
 212 {
 213         int id;
 214
 215         for (int j = 0; j < block->nreg; j++) {
 216                 if (block->pm4_bo_index[j]) {
 217                         /* find relocation */
 218                         id = block->pm4_bo_index[j];
 219                         r600_context_bo_reloc(ctx,
 220                                         &block->pm4[block->reloc[id].bo_pm4_index],
 221                                         block->reloc[id].bo);
 222                         r600_context_bo_flush(ctx,
 223                                         block->reloc[id].flush_flags,
 224                                         block->reloc[id].flush_mask,
 225                                         block->reloc[id].bo);
 226                 }
 227         }
 228         memcpy(&ctx->pm4[ctx->pm4_cdwords], block->pm4, block->pm4_ndwords * 4);
 229         ctx->pm4_cdwords += block->pm4_ndwords;
 230         block->status ^= R600_BLOCK_STATUS_DIRTY;
 231         LIST_DELINIT(&block->list);
 232 }
 233
 234 /*
 235  * radeon_bo.c
 236  */
 237 static inline int radeon_bo_map(struct radeon *radeon, struct radeon_bo *bo)
 238 {
 239         bo->map_count++;
 240         return 0;
 241 }
 242
 243 static inline void radeon_bo_unmap(struct radeon *radeon, struct radeon_bo *bo)
 244 {
 245         bo->map_count--;
 246         assert(bo->map_count >= 0);
 247 }
 248
 249 /*
 250  * r600_bo
 251  */
 252 static inline struct radeon_bo *r600_bo_get_bo(struct r600_bo *bo)
 253 {
 254         return bo->bo;
 255 }
 256
 257 static unsigned inline r600_bo_get_handle(struct r600_bo *bo)
 258 {
 259         return bo->bo->handle;
 260 }
 261
 262 static unsigned inline r600_bo_get_size(struct r600_bo *bo)
 263 {
 264         return bo->size;
 265 }
 266
 267 /*
 268  * fence
 269  */
 270 static inline bool fence_is_after(unsigned fence, unsigned ofence)
 271 {
 272         /* handle wrap around */
 273         if (fence < 0x80000000 && ofence > 0x80000000)
 274                 return TRUE;
 275         if (fence > ofence)
 276                 return TRUE;
 277         return FALSE;
 278 }
 279
 280 #endif