src/mesa/drivers/dri/nouveau_winsys/nouveau_drmif.h

   1 /*
   2  * Copyright 2007 Nouveau Project
   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  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice shall be included in
  12  * all copies or substantial portions of the Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17  * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  18  * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
  19  * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  20  * SOFTWARE.
  21  */
  22
  23 #ifndef __NOUVEAU_DRMIF_H__
  24 #define __NOUVEAU_DRMIF_H__
  25
  26 #include <stdint.h>
  27 #include <xf86drm.h>
  28 #include <nouveau_drm.h>
  29
  30 #include "nouveau_device.h"
  31 #include "pipe/nouveau/nouveau_channel.h"
  32 #include "pipe/nouveau/nouveau_grobj.h"
  33 #include "pipe/nouveau/nouveau_notifier.h"
  34 #include "pipe/nouveau/nouveau_bo.h"
  35 #include "pipe/nouveau/nouveau_resource.h"
  36 #include "pipe/nouveau/nouveau_pushbuf.h"
  37
  38 struct nouveau_device_priv {
  39         struct nouveau_device base;
  40
  41         int fd;
  42         drm_context_t ctx;
  43         drmLock *lock;
  44         int needs_close;
  45
  46         struct drm_nouveau_mem_alloc sa;
  47         void *sa_map;
  48         struct nouveau_resource *sa_heap;
  49 };
  50 #define nouveau_device(n) ((struct nouveau_device_priv *)(n))
  51
  52 extern int
  53 nouveau_device_open_existing(struct nouveau_device **, int close,
  54                              int fd, drm_context_t ctx);
  55
  56 extern int
  57 nouveau_device_open(struct nouveau_device **, const char *busid);
  58
  59 extern void
  60 nouveau_device_close(struct nouveau_device **);
  61
  62 extern int
  63 nouveau_device_get_param(struct nouveau_device *, uint64_t param, uint64_t *v);
  64
  65 extern int
  66 nouveau_device_set_param(struct nouveau_device *, uint64_t param, uint64_t val);
  67
  68 struct nouveau_fence {
  69         struct nouveau_channel *channel;
  70 };
  71
  72 struct nouveau_fence_cb {
  73         struct nouveau_fence_cb *next;
  74         void (*func)(void *);
  75         void *priv;
  76 };
  77
  78 struct nouveau_fence_priv {
  79         struct nouveau_fence base;
  80         int refcount;
  81
  82         struct nouveau_fence *next;
  83         struct nouveau_fence_cb *signal_cb;
  84
  85         uint32_t sequence;
  86         int emitted;
  87         int signalled;
  88 };
  89 #define nouveau_fence(n) ((struct nouveau_fence_priv *)(n))
  90
  91 extern int
  92 nouveau_fence_new(struct nouveau_channel *, struct nouveau_fence **);
  93
  94 extern int
  95 nouveau_fence_ref(struct nouveau_fence *, struct nouveau_fence **);
  96
  97 extern int
  98 nouveau_fence_signal_cb(struct nouveau_fence *, void (*)(void *), void *);
  99
 100 extern void
 101 nouveau_fence_emit(struct nouveau_fence *);
 102
 103 extern int
 104 nouveau_fence_wait(struct nouveau_fence **);
 105
 106 extern void
 107 nouveau_fence_flush(struct nouveau_channel *);
 108
 109 struct nouveau_pushbuf_reloc {
 110         uint64_t next;
 111         uint64_t handle;
 112         uint32_t *ptr;
 113         uint32_t flags;
 114         uint32_t data;
 115         uint32_t vor;
 116         uint32_t tor;
 117 };
 118
 119 struct nouveau_pushbuf_bo {
 120         uint64_t next;
 121         uint64_t handle;
 122         uint64_t flags;
 123         uint64_t relocs;
 124         int nr_relocs;
 125 };
 126
 127 struct nouveau_pushbuf_priv {
 128         struct nouveau_pushbuf base;
 129
 130         unsigned nop_jump;
 131         unsigned start;
 132         unsigned size;
 133
 134         uint64_t buffers;
 135         int nr_buffers;
 136 };
 137 #define nouveau_pushbuf(n) ((struct nouveau_pushbuf_priv *)(n))
 138
 139 #define pbbo_to_ptr(o) ((uint64_t)(unsigned long)(o))
 140 #define ptr_to_pbbo(h) ((struct nouveau_pushbuf_bo *)(unsigned long)(h))
 141 #define pbrel_to_ptr(o) ((uint64_t)(unsigned long)(o))
 142 #define ptr_to_pbrel(h) ((struct nouveau_pushbuf_reloc *)(unsigned long)(h))
 143 #define bo_to_ptr(o) ((uint64_t)(unsigned long)(o))
 144 #define ptr_to_bo(h) ((struct nouveau_bo_priv *)(unsigned long)(h))
 145
 146 extern int
 147 nouveau_pushbuf_init(struct nouveau_channel *);
 148
 149 extern int
 150 nouveau_pushbuf_flush(struct nouveau_channel *, unsigned min);
 151
 152 extern int
 153 nouveau_pushbuf_emit_reloc(struct nouveau_channel *, void *ptr,
 154                            struct nouveau_bo *, uint32_t data, uint32_t flags,
 155                            uint32_t vor, uint32_t tor);
 156
 157 struct nouveau_dma_priv {
 158         uint32_t base;
 159         uint32_t max;
 160         uint32_t cur;
 161         uint32_t put;
 162         uint32_t free;
 163
 164         int push_free;
 165 } dma;
 166
 167 struct nouveau_channel_priv {
 168         struct nouveau_channel base;
 169
 170         struct drm_nouveau_channel_alloc drm;
 171
 172         uint32_t *pushbuf;
 173         void     *notifier_block;
 174
 175         volatile uint32_t *user;
 176         volatile uint32_t *put;
 177         volatile uint32_t *get;
 178         volatile uint32_t *ref_cnt;
 179
 180         struct nouveau_dma_priv dma_master;
 181         struct nouveau_dma_priv dma_bufmgr;
 182         struct nouveau_dma_priv *dma;
 183
 184         struct nouveau_fence *fence_head;
 185         struct nouveau_fence *fence_tail;
 186         uint32_t fence_sequence;
 187
 188         struct nouveau_pushbuf_priv pb;
 189
 190         unsigned user_charge;
 191 };
 192 #define nouveau_channel(n) ((struct nouveau_channel_priv *)(n))
 193
 194 extern int
 195 nouveau_channel_alloc(struct nouveau_device *, uint32_t fb, uint32_t tt,
 196                       struct nouveau_channel **);
 197
 198 extern void
 199 nouveau_channel_free(struct nouveau_channel **);
 200
 201 struct nouveau_grobj_priv {
 202         struct nouveau_grobj base;
 203 };
 204 #define nouveau_grobj(n) ((struct nouveau_grobj_priv *)(n))
 205
 206 extern int nouveau_grobj_alloc(struct nouveau_channel *, uint32_t handle,
 207                                int class, struct nouveau_grobj **);
 208 extern int nouveau_grobj_ref(struct nouveau_channel *, uint32_t handle,
 209                              struct nouveau_grobj **);
 210 extern void nouveau_grobj_free(struct nouveau_grobj **);
 211
 212
 213 struct nouveau_notifier_priv {
 214         struct nouveau_notifier base;
 215
 216         struct drm_nouveau_notifierobj_alloc drm;
 217         volatile void *map;
 218 };
 219 #define nouveau_notifier(n) ((struct nouveau_notifier_priv *)(n))
 220
 221 extern int
 222 nouveau_notifier_alloc(struct nouveau_channel *, uint32_t handle, int count,
 223                        struct nouveau_notifier **);
 224
 225 extern void
 226 nouveau_notifier_free(struct nouveau_notifier **);
 227
 228 extern void
 229 nouveau_notifier_reset(struct nouveau_notifier *, int id);
 230
 231 extern uint32_t
 232 nouveau_notifier_status(struct nouveau_notifier *, int id);
 233
 234 extern uint32_t
 235 nouveau_notifier_return_val(struct nouveau_notifier *, int id);
 236
 237 extern int
 238 nouveau_notifier_wait_status(struct nouveau_notifier *, int id, int status,
 239                              int timeout);
 240
 241 struct nouveau_bo_priv {
 242         struct nouveau_bo base;
 243
 244         struct nouveau_fence *fence;
 245         struct nouveau_fence *wr_fence;
 246
 247         struct drm_nouveau_mem_alloc drm;
 248         void *map;
 249
 250         void *sysmem;
 251         int user;
 252
 253         int refcount;
 254
 255         uint64_t offset;
 256         uint64_t flags;
 257 };
 258 #define nouveau_bo(n) ((struct nouveau_bo_priv *)(n))
 259
 260 extern int
 261 nouveau_bo_init(struct nouveau_device *);
 262
 263 extern void
 264 nouveau_bo_takedown(struct nouveau_device *);
 265
 266 extern int
 267 nouveau_bo_new(struct nouveau_device *, uint32_t flags, int align, int size,
 268                struct nouveau_bo **);
 269
 270 extern int
 271 nouveau_bo_user(struct nouveau_device *, void *ptr, int size,
 272                 struct nouveau_bo **);
 273
 274 extern int
 275 nouveau_bo_ref(struct nouveau_device *, uint64_t handle, struct nouveau_bo **);
 276
 277 extern int
 278 nouveau_bo_set_status(struct nouveau_bo *, uint32_t flags);
 279
 280 extern void
 281 nouveau_bo_del(struct nouveau_bo **);
 282
 283 extern int
 284 nouveau_bo_map(struct nouveau_bo *, uint32_t flags);
 285
 286 extern void
 287 nouveau_bo_unmap(struct nouveau_bo *);
 288
 289 extern int
 290 nouveau_bo_validate(struct nouveau_channel *, struct nouveau_bo *,
 291                     struct nouveau_fence *fence, uint32_t flags);
 292
 293 extern int
 294 nouveau_resource_init(struct nouveau_resource **heap, unsigned start,
 295                       unsigned size);
 296
 297 extern int
 298 nouveau_resource_alloc(struct nouveau_resource *heap, int size, void *priv,
 299                        struct nouveau_resource **);
 300
 301 extern void
 302 nouveau_resource_free(struct nouveau_resource **);
 303
 304 #endif