diff options
Diffstat (limited to 'bsd/ati_pcigart.h')
| -rw-r--r-- | bsd/ati_pcigart.h | 114 |
1 files changed, 0 insertions, 114 deletions
diff --git a/bsd/ati_pcigart.h b/bsd/ati_pcigart.h deleted file mode 100644 index 9aa2192f..00000000 --- a/bsd/ati_pcigart.h +++ /dev/null @@ -1,114 +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" - -#if PAGE_SIZE == 8192 -# define ATI_PCIGART_TABLE_ORDER 2 -# define ATI_PCIGART_TABLE_PAGES (1 << 2) -#elif PAGE_SIZE == 4096 -# define ATI_PCIGART_TABLE_ORDER 3 -# define ATI_PCIGART_TABLE_PAGES (1 << 3) -#elif -# error - PAGE_SIZE not 8K or 4K -#endif - -# define ATI_MAX_PCIGART_PAGES 8192 /* 32 MB aperture, 4K pages */ -# define ATI_PCIGART_PAGE_SIZE 4096 /* PCI GART page size */ - -int DRM(ati_pcigart_init)( drm_device_t *dev, - unsigned long *addr, - dma_addr_t *bus_addr) -{ - drm_sg_mem_t *entry = dev->sg; - unsigned long address = 0; - unsigned long pages; - u32 *pci_gart=0, page_base, bus_address = 0; - int i, j, ret = 0; - - if ( !entry ) { - DRM_ERROR( "no scatter/gather memory!\n" ); - goto done; - } - - address = (long)contigmalloc((1 << ATI_PCIGART_TABLE_ORDER) * PAGE_SIZE, - DRM(M_DRM), M_NOWAIT, 0ul, 0xfffffffful, PAGE_SIZE, 0); - if ( !address ) { - DRM_ERROR( "cannot allocate PCI GART page!\n" ); - goto done; - } - - /* XXX: we need to busdma this */ - bus_address = vtophys( address ); - - pci_gart = (u32 *)address; - - pages = ( entry->pages <= ATI_MAX_PCIGART_PAGES ) - ? entry->pages : ATI_MAX_PCIGART_PAGES; - - bzero( pci_gart, ATI_MAX_PCIGART_PAGES * sizeof(u32) ); - - for ( i = 0 ; i < pages ; i++ ) { - entry->busaddr[i] = vtophys( entry->handle + (i*PAGE_SIZE) ); - page_base = (u32) entry->busaddr[i]; - - for (j = 0; j < (PAGE_SIZE / ATI_PCIGART_PAGE_SIZE); j++) { - *pci_gart++ = cpu_to_le32( page_base ); - page_base += ATI_PCIGART_PAGE_SIZE; - } - } - - DRM_MEMORYBARRIER(); - - ret = 1; - -done: - *addr = address; - *bus_addr = bus_address; - return ret; -} - -int DRM(ati_pcigart_cleanup)( drm_device_t *dev, - unsigned long addr, - dma_addr_t bus_addr) -{ - drm_sg_mem_t *entry = dev->sg; - - /* we need to support large memory configurations */ - if ( !entry ) { - DRM_ERROR( "no scatter/gather memory!\n" ); - return 0; - } - -#if __FreeBSD_version > 500000 - contigfree( (void *)addr, (1 << ATI_PCIGART_TABLE_ORDER) * PAGE_SIZE, DRM(M_DRM)); /* Not available on 4.x */ -#endif - return 1; -} |