| ati_pcigart.c (182080) | ati_pcigart.c (182883) |
|---|---|
| 1/*- 2 * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. 3 * All Rights Reserved. 4 * 5 * Permission is hereby granted, free of charge, to any person obtaining a 6 * copy of this software and associated documentation files (the "Software"), 7 * to deal in the Software without restriction, including without limitation 8 * the rights to use, copy, modify, merge, publish, distribute, sublicense, --- 13 unchanged lines hidden (view full) --- 22 * DEALINGS IN THE SOFTWARE. 23 * 24 * Authors: 25 * Gareth Hughes <gareth@valinux.com> 26 * 27 */ 28 29#include <sys/cdefs.h> | 1/*- 2 * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. 3 * All Rights Reserved. 4 * 5 * Permission is hereby granted, free of charge, to any person obtaining a 6 * copy of this software and associated documentation files (the "Software"), 7 * to deal in the Software without restriction, including without limitation 8 * the rights to use, copy, modify, merge, publish, distribute, sublicense, --- 13 unchanged lines hidden (view full) --- 22 * DEALINGS IN THE SOFTWARE. 23 * 24 * Authors: 25 * Gareth Hughes <gareth@valinux.com> 26 * 27 */ 28 29#include <sys/cdefs.h> |
| 30__FBSDID("$FreeBSD: head/sys/dev/drm/ati_pcigart.c 182080 2008-08-23 20:59:12Z rnoland $"); | 30__FBSDID("$FreeBSD: head/sys/dev/drm/ati_pcigart.c 182883 2008-09-09 02:05:03Z rnoland $"); |
| 31 32/** @file ati_pcigart.c 33 * Implementation of ATI's PCIGART, which provides an aperture in card virtual 34 * address space with addresses remapped to system memory. 35 */ 36 37#include "dev/drm/drmP.h" 38 39#define ATI_PCIGART_PAGE_SIZE 4096 /* PCI GART page size */ 40#define ATI_PCIGART_PAGE_MASK (~(ATI_PCIGART_PAGE_SIZE-1)) 41 42#define ATI_PCIE_WRITE 0x4 43#define ATI_PCIE_READ 0x8 44 45static int drm_ati_alloc_pcigart_table(struct drm_device *dev, 46 struct drm_ati_pcigart_info *gart_info) 47{ | 31 32/** @file ati_pcigart.c 33 * Implementation of ATI's PCIGART, which provides an aperture in card virtual 34 * address space with addresses remapped to system memory. 35 */ 36 37#include "dev/drm/drmP.h" 38 39#define ATI_PCIGART_PAGE_SIZE 4096 /* PCI GART page size */ 40#define ATI_PCIGART_PAGE_MASK (~(ATI_PCIGART_PAGE_SIZE-1)) 41 42#define ATI_PCIE_WRITE 0x4 43#define ATI_PCIE_READ 0x8 44 45static int drm_ati_alloc_pcigart_table(struct drm_device *dev, 46 struct drm_ati_pcigart_info *gart_info) 47{ |
| 48 dev->sg->dmah = drm_pci_alloc(dev, gart_info->table_size, 49 PAGE_SIZE, 50 gart_info->table_mask); 51 if (dev->sg->dmah == NULL) | 48 drm_dma_handle_t *dmah; 49 50 DRM_UNLOCK(); 51 dmah = drm_pci_alloc(dev, gart_info->table_size, PAGE_SIZE, 52 gart_info->table_mask); 53 DRM_LOCK(); 54 if (dmah == NULL) |
| 52 return ENOMEM; 53 | 55 return ENOMEM; 56 |
| 57 dev->sg->dmah = dmah; 58 |
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| 54 return 0; 55} 56 57static void drm_ati_free_pcigart_table(struct drm_device *dev, 58 struct drm_ati_pcigart_info *gart_info) 59{ 60 drm_pci_free(dev, dev->sg->dmah); 61 dev->sg->dmah = NULL; --- 100 unchanged lines hidden --- | 59 return 0; 60} 61 62static void drm_ati_free_pcigart_table(struct drm_device *dev, 63 struct drm_ati_pcigart_info *gart_info) 64{ 65 drm_pci_free(dev, dev->sg->dmah); 66 dev->sg->dmah = NULL; --- 100 unchanged lines hidden --- |