diff options
Diffstat (limited to 'linux/drm_compat.h')
| -rw-r--r-- | linux/drm_compat.h | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/linux/drm_compat.h b/linux/drm_compat.h new file mode 100644 index 00000000..3bb0b709 --- /dev/null +++ b/linux/drm_compat.h @@ -0,0 +1,153 @@ +/** + * \file drmP.h + * Private header for Direct Rendering Manager + * + * \author Rickard E. (Rik) Faith <faith@valinux.com> + * \author Gareth Hughes <gareth@valinux.com> + */ + +/* + * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. + * 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 + * VA LINUX SYSTEMS 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. + */ + +#ifndef _DRM_COMPAT_H_ +#define _DRM_COMPAT_H_ + +/***********************************************************************/ +/** \name Backward compatibility section */ +/*@{*/ + +#ifndef minor +#define minor(x) MINOR((x)) +#endif + +#ifndef MODULE_LICENSE +#define MODULE_LICENSE(x) +#endif + +#ifndef preempt_disable +#define preempt_disable() +#define preempt_enable() +#endif + +#ifndef pte_offset_map +#define pte_offset_map pte_offset +#define pte_unmap(pte) +#endif + +#ifndef list_for_each_safe +#define list_for_each_safe(pos, n, head) \ + for (pos = (head)->next, n = pos->next; pos != (head); \ + pos = n, n = pos->next) +#endif + +#ifndef list_for_each_entry +#define list_for_each_entry(pos, head, member) \ + for (pos = list_entry((head)->next, typeof(*pos), member), \ + prefetch(pos->member.next); \ + &pos->member != (head); \ + pos = list_entry(pos->member.next, typeof(*pos), member), \ + prefetch(pos->member.next)) +#endif + +#ifndef list_for_each_entry_safe +#define list_for_each_entry_safe(pos, n, head, member) \ + for (pos = list_entry((head)->next, typeof(*pos), member), \ + n = list_entry(pos->member.next, typeof(*pos), member); \ + &pos->member != (head); \ + pos = n, n = list_entry(n->member.next, typeof(*n), member)) +#endif + +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,19) +static inline struct page * vmalloc_to_page(void * vmalloc_addr) +{ + unsigned long addr = (unsigned long) vmalloc_addr; + struct page *page = NULL; + pgd_t *pgd = pgd_offset_k(addr); + pmd_t *pmd; + pte_t *ptep, pte; + + if (!pgd_none(*pgd)) { + pmd = pmd_offset(pgd, addr); + if (!pmd_none(*pmd)) { + preempt_disable(); + ptep = pte_offset_map(pmd, addr); + pte = *ptep; + if (pte_present(pte)) + page = pte_page(pte); + pte_unmap(ptep); + preempt_enable(); + } + } + return page; +} +#endif + +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0) +static inline unsigned iminor(struct inode *inode) +{ + return MINOR(inode->i_rdev); +} + +#define old_encode_dev(x) (x) + +struct class_simple; +struct device; + +#define pci_dev_put(x) do {} while (0) +#define pci_get_subsys pci_find_subsys + +#define class_simple_device_add(...) do {} while (0) + +static inline void class_simple_device_remove(dev_t dev){}; + +static inline void class_simple_destroy(struct class_simple *cs){}; + +static inline struct class_simple *class_simple_create(struct module *owner, char *name) { return (struct class_simple *)owner; } + +#ifndef pci_pretty_name +#define pci_pretty_name(x) x->name +#endif + +#endif + +#ifndef __user +#define __user +#endif + +#ifndef __put_page +#define __put_page(p) atomic_dec(&(p)->count) +#endif + +#ifndef REMAP_PAGE_RANGE_5_ARGS +#define DRM_RPR_ARG(vma) +#else +#define DRM_RPR_ARG(vma) vma, +#endif + +#define VM_OFFSET(vma) ((vma)->vm_pgoff << PAGE_SHIFT) + +/*@}*/ + +#endif |