src/mesa/drivers/dri/savage/savageioctl.h

   1 /*
   2  * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.
   3  * Copyright 2001-2003 S3 Graphics, Inc. All Rights Reserved.
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a
   6  * copy of this software and associated documentation files (the "Software"),
   7  * to deal in the Software without restriction, including without limitation
   8  * the rights to use, copy, modify, merge, publish, distribute, sub license,
   9  * and/or sell copies of the Software, and to permit persons to whom the
  10  * Software is furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice (including the
  13  * next paragraph) shall be included in all copies or substantial portions
  14  * of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  19  * VIA, S3 GRAPHICS, AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  22  * DEALINGS IN THE SOFTWARE.
  23  */
  24
  25
  26 #ifndef SAVAGE_IOCTL_H
  27 #define SAVAGE_IOCTL_H
  28
  29 #include "savagecontext.h"
  30 #include "savagedma.h"
  31
  32 void savageGetGeneralDmaBufferLocked( savageContextPtr mmesa );
  33
  34 void savageFlushVertices( savageContextPtr mmesa );
  35 void savageFlushVerticesLocked( savageContextPtr mmesa );
  36
  37 void savageFlushGeneralLocked( savageContextPtr imesa );
  38 void savageWaitAgeLocked( savageContextPtr imesa, int age );
  39 void savageWaitAge( savageContextPtr imesa, int age );
  40
  41 void savageDmaFinish( savageContextPtr imesa );
  42
  43 void savageRegetLockQuiescent( savageContextPtr imesa );
  44
  45 void savageDDInitIoctlFuncs( GLcontext *ctx );
  46
  47 void savageSwapBuffers( __DRIdrawablePrivate *dPriv );
  48
  49 int savage_check_copy(int fd);
  50
  51 extern GLboolean (*savagePagePending)( savageContextPtr imesa );
  52 extern void (*savageWaitForFIFO)( savageContextPtr imesa, unsigned count );
  53 extern void (*savageWaitIdleEmpty)( savageContextPtr imesa );
  54
  55 #define PAGE_PENDING(result) do { \
  56     result = savagePagePending(imesa); \
  57 } while (0)
  58 #define WAIT_FOR_FIFO(count) do { \
  59     savageWaitForFIFO(imesa, count); \
  60 } while (0)
  61 #define WAIT_IDLE_EMPTY do { \
  62     savageWaitIdleEmpty(imesa); \
  63 } while (0)
  64
  65 #if SAVAGE_CMD_DMA
  66 int  savageAllocDMABuffer(savageContextPtr imesa,  drm_savage_alloc_cont_mem_t *req);
  67 GLuint savageGetPhyAddress(savageContextPtr imesa,void * pointer);
  68 int  savageFreeDMABuffer(savageContextPtr, drm_savage_alloc_cont_mem_t*);
  69 #endif
  70
  71 #define FLUSH_BATCH(imesa) do { \
  72     if (imesa->vertex_dma_buffer) savageFlushVertices(imesa); \
  73 } while (0)
  74
  75 static __inline
  76 uint32_t *savageAllocDmaLow( savageContextPtr imesa, GLuint bytes )
  77 {
  78    uint32_t *head;
  79
  80    if (!imesa->vertex_dma_buffer) {
  81       LOCK_HARDWARE(imesa);
  82       imesa->vertex_dma_buffer = savageFakeGetBuffer (imesa);
  83       UNLOCK_HARDWARE(imesa);
  84    } else if (imesa->vertex_dma_buffer->used + bytes >
  85               imesa->vertex_dma_buffer->total) {
  86       LOCK_HARDWARE(imesa);
  87       savageFlushVerticesLocked( imesa );
  88       imesa->vertex_dma_buffer = savageFakeGetBuffer (imesa);
  89       UNLOCK_HARDWARE(imesa);
  90    }
  91
  92    head = (uint32_t *)((uint8_t *)imesa->vertex_dma_buffer->address +
  93                        imesa->vertex_dma_buffer->used);
  94
  95    imesa->vertex_dma_buffer->used += bytes;
  96    return head;
  97 }
  98
  99 #endif