diff options
Diffstat (limited to 'nx-X11/extras/drm/bsd-core/ati_pcigart.c')
| -rw-r--r-- | nx-X11/extras/drm/bsd-core/ati_pcigart.c | 100 |
1 files changed, 0 insertions, 100 deletions
diff --git a/nx-X11/extras/drm/bsd-core/ati_pcigart.c b/nx-X11/extras/drm/bsd-core/ati_pcigart.c deleted file mode 100644 index d48d0a80c..000000000 --- a/nx-X11/extras/drm/bsd-core/ati_pcigart.c +++ /dev/null @@ -1,100 +0,0 @@ -/* ati_pcigart.h -- ATI PCI GART support -*- linux-c -*- - * Created: Wed Dec 13 21:52:19 2000 by gareth@valinux.com - */ -/*- - * 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 - * PRECISION INSIGHT 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: - * Gareth Hughes <gareth@valinux.com> - * - */ - -#include "drmP.h" - -#define ATI_PCIGART_PAGE_SIZE 4096 /* PCI GART page size */ -#define ATI_MAX_PCIGART_PAGES 8192 /* 32 MB aperture, 4K pages */ -#define ATI_PCIGART_TABLE_SIZE 32768 - -int drm_ati_pcigart_init(drm_device_t *dev, drm_ati_pcigart_info *gart_info) -{ - unsigned long pages; - u32 *pci_gart = NULL, page_base; - int i, j; - - if (dev->sg == NULL) { - DRM_ERROR( "no scatter/gather memory!\n" ); - return 0; - } - - if (gart_info->gart_table_location == DRM_ATI_GART_MAIN) { - /* GART table in system memory */ - dev->sg->dmah = drm_pci_alloc(dev, ATI_PCIGART_TABLE_SIZE, 0, - 0xfffffffful); - if (dev->sg->dmah == NULL) { - DRM_ERROR("cannot allocate PCI GART table!\n"); - return 0; - } - - gart_info->addr = (void *)dev->sg->dmah->vaddr; - gart_info->bus_addr = dev->sg->dmah->busaddr; - pci_gart = (u32 *)dev->sg->dmah->vaddr; - } else { - /* GART table in framebuffer memory */ - pci_gart = gart_info->addr; - } - - pages = DRM_MIN(dev->sg->pages, ATI_MAX_PCIGART_PAGES); - - bzero(pci_gart, ATI_PCIGART_TABLE_SIZE); - - KASSERT(PAGE_SIZE >= ATI_PCIGART_PAGE_SIZE, ("page size too small")); - - for ( i = 0 ; i < pages ; i++ ) { - page_base = (u32) dev->sg->busaddr[i]; - - for (j = 0; j < (PAGE_SIZE / ATI_PCIGART_PAGE_SIZE); j++) { - if (gart_info->is_pcie) - *pci_gart = (cpu_to_le32(page_base) >> 8) | 0xc; - else - *pci_gart = cpu_to_le32(page_base); - pci_gart++; - page_base += ATI_PCIGART_PAGE_SIZE; - } - } - - DRM_MEMORYBARRIER(); - - return 1; -} - -int drm_ati_pcigart_cleanup(drm_device_t *dev, drm_ati_pcigart_info *gart_info) -{ - if (dev->sg == NULL) { - DRM_ERROR( "no scatter/gather memory!\n" ); - return 0; - } - - drm_pci_free(dev, dev->sg->dmah); - - return 1; -} |