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-rw-r--r--linux/ati_pcigart.h206
1 files changed, 0 insertions, 206 deletions
diff --git a/linux/ati_pcigart.h b/linux/ati_pcigart.h
deleted file mode 100644
index 0d7df0f3..00000000
--- a/linux/ati_pcigart.h
+++ /dev/null
@@ -1,206 +0,0 @@
-/**
- * \file ati_pcigart.h
- * ATI PCI GART support
- *
- * \author Gareth Hughes <gareth@valinux.com>
- */
-
-/*
- * 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.
- */
-
-#include "drmP.h"
-
-#if PAGE_SIZE == 65536
-# define ATI_PCIGART_TABLE_ORDER 0
-# define ATI_PCIGART_TABLE_PAGES (1 << 0)
-#elif PAGE_SIZE == 16384
-# define ATI_PCIGART_TABLE_ORDER 1
-# define ATI_PCIGART_TABLE_PAGES (1 << 1)
-#elif 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)
-#else
-# error - PAGE_SIZE not 64K, 16K, 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 */
-
-static unsigned long DRM(ati_alloc_pcigart_table)( void )
-{
- unsigned long address;
- struct page *page;
- int i;
- DRM_DEBUG( "%s\n", __FUNCTION__ );
-
- address = __get_free_pages( GFP_KERNEL, ATI_PCIGART_TABLE_ORDER );
- if ( address == 0UL ) {
- return 0;
- }
-
- page = virt_to_page( address );
-
- for ( i = 0 ; i < ATI_PCIGART_TABLE_PAGES ; i++, page++ ) {
- get_page(page);
- SetPageReserved( page );
- }
-
- DRM_DEBUG( "%s: returning 0x%08lx\n", __FUNCTION__, address );
- return address;
-}
-
-static void DRM(ati_free_pcigart_table)( unsigned long address )
-{
- struct page *page;
- int i;
- DRM_DEBUG( "%s\n", __FUNCTION__ );
-
- page = virt_to_page( address );
-
- for ( i = 0 ; i < ATI_PCIGART_TABLE_PAGES ; i++, page++ ) {
- __put_page(page);
- ClearPageReserved( page );
- }
-
- free_pages( address, ATI_PCIGART_TABLE_ORDER );
-}
-
-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, page_base, bus_address = 0;
- int i, j, ret = 0;
-
- if ( !entry ) {
- DRM_ERROR( "no scatter/gather memory!\n" );
- goto done;
- }
-
- address = DRM(ati_alloc_pcigart_table)();
- if ( !address ) {
- DRM_ERROR( "cannot allocate PCI GART page!\n" );
- goto done;
- }
-
- if ( !dev->pdev ) {
- DRM_ERROR( "PCI device unknown!\n" );
- goto done;
- }
-
- bus_address = pci_map_single(dev->pdev, (void *)address,
- ATI_PCIGART_TABLE_PAGES * PAGE_SIZE,
- PCI_DMA_TODEVICE);
- if (bus_address == 0) {
- DRM_ERROR( "unable to map PCIGART pages!\n" );
- DRM(ati_free_pcigart_table)( address );
- address = 0;
- goto done;
- }
-
- pci_gart = (u32 *)address;
-
- pages = ( entry->pages <= ATI_MAX_PCIGART_PAGES )
- ? entry->pages : ATI_MAX_PCIGART_PAGES;
-
- memset( pci_gart, 0, ATI_MAX_PCIGART_PAGES * sizeof(u32) );
-
- for ( i = 0 ; i < pages ; i++ ) {
- /* we need to support large memory configurations */
- entry->busaddr[i] = pci_map_single(dev->pdev,
- page_address( entry->pagelist[i] ),
- PAGE_SIZE,
- PCI_DMA_TODEVICE);
- if (entry->busaddr[i] == 0) {
- DRM_ERROR( "unable to map PCIGART pages!\n" );
- DRM(ati_pcigart_cleanup)( dev, address, bus_address );
- address = 0;
- bus_address = 0;
- goto done;
- }
- 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;
- }
- }
-
- ret = 1;
-
-#if defined(__i386__) || defined(__x86_64__)
- asm volatile ( "wbinvd" ::: "memory" );
-#else
- mb();
-#endif
-
-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;
- unsigned long pages;
- int i;
-
- /* we need to support large memory configurations */
- if ( !entry ) {
- DRM_ERROR( "no scatter/gather memory!\n" );
- return 0;
- }
-
- if ( bus_addr ) {
- pci_unmap_single(dev->pdev, bus_addr,
- ATI_PCIGART_TABLE_PAGES * PAGE_SIZE,
- PCI_DMA_TODEVICE);
-
- pages = ( entry->pages <= ATI_MAX_PCIGART_PAGES )
- ? entry->pages : ATI_MAX_PCIGART_PAGES;
-
- for ( i = 0 ; i < pages ; i++ ) {
- if ( !entry->busaddr[i] ) break;
- pci_unmap_single(dev->pdev, entry->busaddr[i],
- PAGE_SIZE, PCI_DMA_TODEVICE);
- }
- }
-
- if ( addr ) {
- DRM(ati_free_pcigart_table)( addr );
- }
-
- return 1;
-}