diff options
Diffstat (limited to 'nx-X11/extras/drm/bsd-core/drm_dma.c')
-rw-r--r-- | nx-X11/extras/drm/bsd-core/drm_dma.c | 130 |
1 files changed, 0 insertions, 130 deletions
diff --git a/nx-X11/extras/drm/bsd-core/drm_dma.c b/nx-X11/extras/drm/bsd-core/drm_dma.c deleted file mode 100644 index 67b3fe2d4..000000000 --- a/nx-X11/extras/drm/bsd-core/drm_dma.c +++ /dev/null @@ -1,130 +0,0 @@ -/* drm_dma.c -- DMA IOCTL and function support -*- linux-c -*- - * 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. - * - * Authors: - * Rickard E. (Rik) Faith <faith@valinux.com> - * Gareth Hughes <gareth@valinux.com> - * - */ - -#include "drmP.h" - -int drm_dma_setup(drm_device_t *dev) -{ - - dev->dma = malloc(sizeof(*dev->dma), M_DRM, M_NOWAIT | M_ZERO); - if (dev->dma == NULL) - return DRM_ERR(ENOMEM); - - DRM_SPININIT(dev->dma_lock, "drmdma"); - - return 0; -} - -void drm_dma_takedown(drm_device_t *dev) -{ - drm_device_dma_t *dma = dev->dma; - int i, j; - - if (dma == NULL) - 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++) { - drm_pci_free(dev, dma->bufs[i].seglist[j]); - } - free(dma->bufs[i].seglist, M_DRM); - } - - if (dma->bufs[i].buf_count) { - for (j = 0; j < dma->bufs[i].buf_count; j++) { - free(dma->bufs[i].buflist[j].dev_private, - M_DRM); - } - free(dma->bufs[i].buflist, M_DRM); - } - } - - free(dma->buflist, M_DRM); - free(dma->pagelist, M_DRM); - free(dev->dma, M_DRM); - dev->dma = NULL; - DRM_SPINUNINIT(dev->dma_lock); -} - - -void drm_free_buffer(drm_device_t *dev, drm_buf_t *buf) -{ - if (!buf) return; - - buf->pending = 0; - buf->filp = NULL; - buf->used = 0; -} - -void drm_reclaim_buffers(drm_device_t *dev, DRMFILE 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; - } - } - } -} - -/* Call into the driver-specific DMA handler */ -int drm_dma(DRM_IOCTL_ARGS) -{ - DRM_DEVICE; - - if (dev->driver.dma_ioctl) { - return dev->driver.dma_ioctl(kdev, cmd, data, flags, p, filp); - } else { - DRM_DEBUG("DMA ioctl on driver with no dma handler\n"); - return EINVAL; - } -} |