1 files changed, 0 insertions, 228 deletions
diff --git a/drivers/gpu/drm/r128/ati_pcigart.c b/drivers/gpu/drm/r128/ati_pcigart.c
deleted file mode 100644
index dde0501aea68..000000000000
--- a/drivers/gpu/drm/r128/ati_pcigart.c
+++ /dev/null
@@ -1,228 +0,0 @@
-/*
- * \file ati_pcigart.c
- * 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 <linux/export.h>
-#include <linux/pci.h>
-
-#include <drm/drm_device.h>
-#include <drm/drm_legacy.h>
-#include <drm/drm_print.h>
-
-#include "ati_pcigart.h"
-
-# define ATI_PCIGART_PAGE_SIZE		4096	/**< PCI GART page size */
-
-static int drm_ati_alloc_pcigart_table(struct drm_device *dev,
-				       struct drm_ati_pcigart_info *gart_info)
-{
-	drm_dma_handle_t *dmah = kmalloc(sizeof(drm_dma_handle_t), GFP_KERNEL);
-
-	if (!dmah)
-		return -ENOMEM;
-
-	dmah->size = gart_info->table_size;
-	dmah->vaddr = dma_alloc_coherent(dev->dev,
-					 dmah->size,
-					 &dmah->busaddr,
-					 GFP_KERNEL);
-
-	if (!dmah->vaddr) {
-		kfree(dmah);
-		return -ENOMEM;
-	}
-
-	gart_info->table_handle = dmah;
-	return 0;
-}
-
-static void drm_ati_free_pcigart_table(struct drm_device *dev,
-				       struct drm_ati_pcigart_info *gart_info)
-{
-	drm_dma_handle_t *dmah = gart_info->table_handle;
-
-	dma_free_coherent(dev->dev, dmah->size, dmah->vaddr, dmah->busaddr);
-	kfree(dmah);
-
-	gart_info->table_handle = NULL;
-}
-
-int drm_ati_pcigart_cleanup(struct drm_device *dev, struct drm_ati_pcigart_info *gart_info)
-{
-	struct drm_sg_mem *entry = dev->sg;
-	struct pci_dev *pdev = to_pci_dev(dev->dev);
-	unsigned long pages;
-	int i;
-	int max_pages;
-
-	/* we need to support large memory configurations */
-	if (!entry) {
-		DRM_ERROR("no scatter/gather memory!\n");
-		return 0;
-	}
-
-	if (gart_info->bus_addr) {
-
-		max_pages = (gart_info->table_size / sizeof(u32));
-		pages = (entry->pages <= max_pages)
-		  ? entry->pages : max_pages;
-
-		for (i = 0; i < pages; i++) {
-			if (!entry->busaddr[i])
-				break;
-			dma_unmap_page(&pdev->dev, entry->busaddr[i],
-				       PAGE_SIZE, DMA_BIDIRECTIONAL);
-		}
-
-		if (gart_info->gart_table_location == DRM_ATI_GART_MAIN)
-			gart_info->bus_addr = 0;
-	}
-
-	if (gart_info->gart_table_location == DRM_ATI_GART_MAIN &&
-	    gart_info->table_handle) {
-		drm_ati_free_pcigart_table(dev, gart_info);
-	}
-
-	return 1;
-}
-
-int drm_ati_pcigart_init(struct drm_device *dev, struct drm_ati_pcigart_info *gart_info)
-{
-	struct drm_local_map *map = &gart_info->mapping;
-	struct drm_sg_mem *entry = dev->sg;
-	struct pci_dev *pdev = to_pci_dev(dev->dev);
-	void *address = NULL;
-	unsigned long pages;
-	u32 *pci_gart = NULL, page_base, gart_idx;
-	dma_addr_t bus_address = 0;
-	int i, j, ret = -ENOMEM;
-	int max_ati_pages, max_real_pages;
-
-	if (!entry) {
-		DRM_ERROR("no scatter/gather memory!\n");
-		goto done;
-	}
-
-	if (gart_info->gart_table_location == DRM_ATI_GART_MAIN) {
-		DRM_DEBUG("PCI: no table in VRAM: using normal RAM\n");
-
-		if (dma_set_mask(&pdev->dev, gart_info->table_mask)) {
-			DRM_ERROR("fail to set dma mask to 0x%Lx\n",
-				  (unsigned long long)gart_info->table_mask);
-			ret = -EFAULT;
-			goto done;
-		}
-
-		ret = drm_ati_alloc_pcigart_table(dev, gart_info);
-		if (ret) {
-			DRM_ERROR("cannot allocate PCI GART page!\n");
-			goto done;
-		}
-
-		pci_gart = gart_info->table_handle->vaddr;
-		address = gart_info->table_handle->vaddr;
-		bus_address = gart_info->table_handle->busaddr;
-	} else {
-		address = gart_info->addr;
-		bus_address = gart_info->bus_addr;
-		DRM_DEBUG("PCI: Gart Table: VRAM %08LX mapped at %08lX\n",
-			  (unsigned long long)bus_address,
-			  (unsigned long)address);
-	}
-
-
-	max_ati_pages = (gart_info->table_size / sizeof(u32));
-	max_real_pages = max_ati_pages / (PAGE_SIZE / ATI_PCIGART_PAGE_SIZE);
-	pages = (entry->pages <= max_real_pages)
-	    ? entry->pages : max_real_pages;
-
-	if (gart_info->gart_table_location == DRM_ATI_GART_MAIN) {
-		memset(pci_gart, 0, max_ati_pages * sizeof(u32));
-	} else {
-		memset_io((void __iomem *)map->handle, 0, max_ati_pages * sizeof(u32));
-	}
-
-	gart_idx = 0;
-	for (i = 0; i < pages; i++) {
-		/* we need to support large memory configurations */
-		entry->busaddr[i] = dma_map_page(&pdev->dev, entry->pagelist[i],
-						 0, PAGE_SIZE, DMA_BIDIRECTIONAL);
-		if (dma_mapping_error(&pdev->dev, entry->busaddr[i])) {
-			DRM_ERROR("unable to map PCIGART pages!\n");
-			drm_ati_pcigart_cleanup(dev, gart_info);
-			address = NULL;
-			bus_address = 0;
-			ret = -ENOMEM;
-			goto done;
-		}
-		page_base = (u32) entry->busaddr[i];
-
-		for (j = 0; j < (PAGE_SIZE / ATI_PCIGART_PAGE_SIZE); j++) {
-			u32 offset;
-			u32 val;
-
-			switch(gart_info->gart_reg_if) {
-			case DRM_ATI_GART_IGP:
-				val = page_base | 0xc;
-				break;
-			case DRM_ATI_GART_PCIE:
-				val = (page_base >> 8) | 0xc;
-				break;
-			default:
-			case DRM_ATI_GART_PCI:
-				val = page_base;
-				break;
-			}
-			if (gart_info->gart_table_location ==
-			    DRM_ATI_GART_MAIN) {
-				pci_gart[gart_idx] = cpu_to_le32(val);
-			} else {
-				offset = gart_idx * sizeof(u32);
-				writel(val, (void __iomem *)map->handle + offset);
-			}
-			gart_idx++;
-			page_base += ATI_PCIGART_PAGE_SIZE;
-		}
-	}
-	ret = 0;
-
-#ifdef CONFIG_X86
-	wbinvd();
-#else
-	mb();
-#endif
-
-      done:
-	gart_info->addr = address;
-	gart_info->bus_addr = bus_address;
-	return ret;
-}