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-rw-r--r--linux/drm_dma.h179
1 files changed, 0 insertions, 179 deletions
diff --git a/linux/drm_dma.h b/linux/drm_dma.h
deleted file mode 100644
index dbf38dbf..00000000
--- a/linux/drm_dma.h
+++ /dev/null
@@ -1,179 +0,0 @@
-/**
- * \file drm_dma.h
- * DMA IOCTL and function support
- *
- * \author Rickard E. (Rik) Faith <faith@valinux.com>
- * \author Gareth Hughes <gareth@valinux.com>
- */
-
-/*
- * Created: Fri Mar 19 14:30:16 1999 by faith@valinux.com
- *
- * Copyright 1999, 2000 Precision Insight, Inc., Cedar Park, Texas.
- * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
- * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
- * OTHER DEALINGS IN THE SOFTWARE.
- */
-
-#include "drmP.h"
-
-/**
- * Initialize the DMA data.
- *
- * \param dev DRM device.
- * \return zero on success or a negative value on failure.
- *
- * Allocate and initialize a drm_device_dma structure.
- */
-int DRM(dma_setup)( drm_device_t *dev )
-{
- int i;
-
- dev->dma = DRM(alloc)( sizeof(*dev->dma), DRM_MEM_DRIVER );
- if ( !dev->dma )
- return -ENOMEM;
-
- memset( dev->dma, 0, sizeof(*dev->dma) );
-
- for ( i = 0 ; i <= DRM_MAX_ORDER ; i++ )
- memset(&dev->dma->bufs[i], 0, sizeof(dev->dma->bufs[0]));
-
- return 0;
-}
-
-/**
- * Cleanup the DMA resources.
- *
- * \param dev DRM device.
- *
- * Free all pages associated with DMA buffers, the buffers and pages lists, and
- * finally the the drm_device::dma structure itself.
- */
-void DRM(dma_takedown)(drm_device_t *dev)
-{
- drm_device_dma_t *dma = dev->dma;
- int i, j;
-
- if (!dma) return;
-
- /* Clear dma buffers */
- for (i = 0; i <= DRM_MAX_ORDER; i++) {
- if (dma->bufs[i].seg_count) {
- DRM_DEBUG("order %d: buf_count = %d,"
- " seg_count = %d\n",
- i,
- dma->bufs[i].buf_count,
- dma->bufs[i].seg_count);
- for (j = 0; j < dma->bufs[i].seg_count; j++) {
- if (dma->bufs[i].seglist[j]) {
- DRM(free_pages)(dma->bufs[i].seglist[j],
- dma->bufs[i].page_order,
- DRM_MEM_DMA);
- }
- }
- DRM(free)(dma->bufs[i].seglist,
- dma->bufs[i].seg_count
- * sizeof(*dma->bufs[0].seglist),
- DRM_MEM_SEGS);
- }
- if (dma->bufs[i].buf_count) {
- for (j = 0; j < dma->bufs[i].buf_count; j++) {
- if (dma->bufs[i].buflist[j].dev_private) {
- DRM(free)(dma->bufs[i].buflist[j].dev_private,
- dma->bufs[i].buflist[j].dev_priv_size,
- DRM_MEM_BUFS);
- }
- }
- DRM(free)(dma->bufs[i].buflist,
- dma->bufs[i].buf_count *
- sizeof(*dma->bufs[0].buflist),
- DRM_MEM_BUFS);
- }
- }
-
- if (dma->buflist) {
- DRM(free)(dma->buflist,
- dma->buf_count * sizeof(*dma->buflist),
- DRM_MEM_BUFS);
- }
-
- if (dma->pagelist) {
- DRM(free)(dma->pagelist,
- dma->page_count * sizeof(*dma->pagelist),
- DRM_MEM_PAGES);
- }
- DRM(free)(dev->dma, sizeof(*dev->dma), DRM_MEM_DRIVER);
- dev->dma = NULL;
-}
-
-
-/**
- * Free a buffer.
- *
- * \param dev DRM device.
- * \param buf buffer to free.
- *
- * Resets the fields of \p buf.
- */
-void DRM(free_buffer)(drm_device_t *dev, drm_buf_t *buf)
-{
- if (!buf) return;
-
- buf->waiting = 0;
- buf->pending = 0;
- buf->filp = NULL;
- buf->used = 0;
-
- if (drm_core_check_feature(dev, DRIVER_DMA_QUEUE) && waitqueue_active(&buf->dma_wait)) {
- wake_up_interruptible(&buf->dma_wait);
- }
-}
-
-/**
- * Reclaim the buffers.
- *
- * \param filp file pointer.
- *
- * Frees each buffer associated with \p filp not already on the hardware.
- */
-void DRM(core_reclaim_buffers)( drm_device_t *dev, struct file *filp )
-{
- drm_device_dma_t *dma = dev->dma;
- int i;
-
- if (!dma) return;
- for (i = 0; i < dma->buf_count; i++) {
- if (dma->buflist[i]->filp == filp) {
- switch (dma->buflist[i]->list) {
- case DRM_LIST_NONE:
- DRM(free_buffer)(dev, dma->buflist[i]);
- break;
- case DRM_LIST_WAIT:
- dma->buflist[i]->list = DRM_LIST_RECLAIM;
- break;
- default:
- /* Buffer already on hardware. */
- break;
- }
- }
- }
-}
-