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/**********************************************************************
*
* Copyright (C) Imagination Technologies Ltd. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful but, except
* as otherwise stated in writing, without any warranty; without even the
* implied warranty of merchantability or fitness for a particular purpose.
* See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
*
* The full GNU General Public License is included in this distribution in
* the file called "COPYING".
*
* Contact Information:
* Imagination Technologies Ltd. <gpl-support@imgtec.com>
* Home Park Estate, Kings Langley, Herts, WD4 8LZ, UK
*
******************************************************************************/
#ifndef __IMG_LINUX_MUTILS_H__
#define __IMG_LINUX_MUTILS_H__
#include <linux/version.h>
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,38))
#ifndef AUTOCONF_INCLUDED
#include <linux/config.h>
#endif
#endif
#if !(defined(__i386__) && (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,26)))
#if defined(SUPPORT_LINUX_X86_PAT)
#undef SUPPORT_LINUX_X86_PAT
#endif
#endif
#if defined(SUPPORT_LINUX_X86_PAT)
pgprot_t pvr_pgprot_writecombine(pgprot_t prot);
#define PGPROT_WC(pv) pvr_pgprot_writecombine(pv)
#else
#if defined(__arm__) || defined(__sh__)
#define PGPROT_WC(pv) pgprot_writecombine(pv)
#else
#if defined(__i386__) || defined(__mips__)
#define PGPROT_WC(pv) pgprot_noncached(pv)
#else
#define PGPROT_WC(pv) pgprot_noncached(pv)
#error Unsupported architecture!
#endif
#endif
#endif
#define PGPROT_UC(pv) pgprot_noncached(pv)
#if defined(__i386__) && (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,26))
#define IOREMAP(pa, bytes) ioremap_cache(pa, bytes)
#else
#if defined(__arm__) && (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0))
#define IOREMAP(pa, bytes) ioremap_cached(pa, bytes)
#else
#define IOREMAP(pa, bytes) ioremap(pa, bytes)
#endif
#endif
#if defined(SUPPORT_LINUX_X86_PAT)
#if defined(SUPPORT_LINUX_X86_WRITECOMBINE)
#define IOREMAP_WC(pa, bytes) ioremap_wc(pa, bytes)
#else
#define IOREMAP_WC(pa, bytes) ioremap_nocache(pa, bytes)
#endif
#else
#if defined(__arm__)
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27))
#define IOREMAP_WC(pa, bytes) ioremap_wc(pa, bytes)
#else
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,22))
#define IOREMAP_WC(pa, bytes) ioremap_nocache(pa, bytes)
#else
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)) || (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,17))
#define IOREMAP_WC(pa, bytes) __ioremap(pa, bytes, L_PTE_BUFFERABLE)
#else
#define IOREMAP_WC(pa, bytes) __ioremap(pa, bytes, , L_PTE_BUFFERABLE, 1)
#endif
#endif
#endif
#else
#define IOREMAP_WC(pa, bytes) ioremap_nocache(pa, bytes)
#endif
#endif
#define IOREMAP_UC(pa, bytes) ioremap_nocache(pa, bytes)
IMG_VOID PVRLinuxMUtilsInit(IMG_VOID);
#endif
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