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/*
* sound/awe_compat.h
*
* Compat defines for the AWE32/SB32/AWE64 wave table synth driver.
* version 0.4.3; Oct. 1, 1998
*
* Copyright (C) 1996-1998 Takashi Iwai
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef AWE_COMPAT_H_DEF
#define AWE_COMPAT_H_DEF
/*================================================================
* version check
*================================================================*/
#include "awe_config.h"
#define ASC_LINUX_VERSION(V,P,S) (((V) * 65536) + ((P) * 256) + (S))
#ifndef LINUX_VERSION_CODE
#include <linux/version.h>
#endif
/* linux version check */
#if LINUX_VERSION_CODE < ASC_LINUX_VERSION(2,0,0)
#define AWE_OBSOLETE_VOXWARE
#endif
#if LINUX_VERSION_CODE >= ASC_LINUX_VERSION(2,1,0)
#define AWE_NEW_KERNEL_INTERFACE
#if LINUX_VERSION_CODE >= ASC_LINUX_VERSION(2,1,80)
#define AWE_MODULE_SUPPORT
#endif
#endif
#ifdef AWE_OBSOLETE_VOXWARE
#include "soundvers.h"
#else
#include "../soundvers.h"
#endif
#if defined(SOUND_INTERNAL_VERSION) && SOUND_INTERNAL_VERSION >= 0x30803
/* OSS/Free-3.8 */
#define AWE_NO_PATCHMGR
#define AWE_OSS38
#define HAS_LOWLEVEL_H
#endif
/*================================================================
* INCLUDE OTHER HEADER FILES
*================================================================*/
/* set up module */
#if defined(AWE_MODULE_SUPPORT) && defined(MODULE)
#include <linux/config.h>
#include <linux/string.h>
#include <linux/module.h>
#include "../soundmodule.h"
#endif
/* reading configuration of sound driver */
#ifdef AWE_OBSOLETE_VOXWARE
#include "sound_config.h"
#if defined(CONFIGURE_SOUNDCARD) && !defined(EXCLUDE_AWE32)
#define CONFIG_AWE32_SYNTH
#endif
#else /* AWE_OBSOLETE_VOXWARE */
#ifdef HAS_LOWLEVEL_H
#include "lowlevel.h"
#endif
#include "../sound_config.h"
#endif /* AWE_OBSOLETE_VOXWARE */
/*================================================================
* include AWE header files
*================================================================*/
#if defined(CONFIG_AWE32_SYNTH) || defined(CONFIG_AWE32_SYNTH_MODULE)
#include "awe_hw.h"
#include "awe_version.h"
#include <linux/awe_voice.h>
#ifdef AWE_HAS_GUS_COMPATIBILITY
/* include finetune table */
#ifdef AWE_OBSOLETE_VOXWARE
# include "tuning.h"
#else
# include "../tuning.h"
#endif
#include <linux/ultrasound.h>
#endif /* AWE_HAS_GUS_COMPATIBILITY */
/*----------------------------------------------------------------
* compatibility macros for AWE32 driver
*----------------------------------------------------------------*/
/* redefine following macros */
#undef IOCTL_IN
#undef IOCTL_OUT
#undef OUTW
#undef COPY_FROM_USER
#undef COPY_TO_USER
#undef GET_BYTE_FROM_USER
#undef GET_SHORT_FROM_USER
#undef IOCTL_TO_USER
/* use inline prefix */
#define INLINE inline
/*----------------------------------------------------------------
* memory management for linux
*----------------------------------------------------------------*/
#ifdef AWE_OBSOLETE_VOXWARE
/* old type linux system */
/* i/o requests; nothing */
#define awe_check_port() 0 /* always false */
#define awe_request_region() /* nothing */
#define awe_release_region() /* nothing */
static int _mem_start; /* memory pointer for permanent buffers */
#define my_malloc_init(memptr) _mem_start = (memptr)
#define my_malloc_memptr() _mem_start
#define my_free(ptr) /* do nothing */
/* allocate buffer only once */
#define INIT_TABLE(buffer,index,nums,type) {\
PERMANENT_MALLOC(buffer, char*, size, _mem_start); index = (nums);\
}
#else
#define AWE_DYNAMIC_BUFFER
#define my_malloc_init(ptr) /* nothing */
#define my_malloc_memptr() 0
#define my_malloc(size) vmalloc(size)
#define my_free(ptr) if (ptr) {vfree(ptr);}
/* do not allocate buffer at beginning */
#define INIT_TABLE(buffer,index,nums,type) {buffer=NULL; index=0;}
/* old type macro */
#define RET_ERROR(err) -err
#endif
/*----------------------------------------------------------------
* i/o interfaces for linux
*----------------------------------------------------------------*/
#define OUTW(data,addr) outw(data, addr)
#ifdef AWE_NEW_KERNEL_INTERFACE
#define COPY_FROM_USER(target,source,offs,count) \
copy_from_user(target, (source)+(offs), count)
#define GET_BYTE_FROM_USER(target,addr,offs) \
get_user(target, (unsigned char*)&((addr)[offs]))
#define GET_SHORT_FROM_USER(target,addr,offs) \
get_user(target, (unsigned short*)&((addr)[offs]))
#ifdef AWE_OSS38
#define IOCTL_TO_USER(target,offs,source,count) \
memcpy(target, (source)+(offs), count)
#define IO_WRITE_CHECK(cmd) (_SIOC_DIR(cmd) & _IOC_WRITE)
#else
#define IOCTL_TO_USER(target,offs,source,count) \
copy_to_user(target, (source)+(offs), count)
#define IO_WRITE_CHECK(cmd) (_IOC_DIR(cmd) & _IOC_WRITE)
#endif /* AWE_OSS38 */
#define COPY_TO_USER IOCTL_TO_USER
#define IOCTL_IN(arg) (*(int*)(arg))
#define IOCTL_OUT(arg,val) (*(int*)(arg) = (val))
#else /* old type i/o */
#define COPY_FROM_USER(target,source,offs,count) \
memcpy_fromfs(target, (source)+(offs), (count))
#define GET_BYTE_FROM_USER(target,addr,offs) \
*((char *)&(target)) = get_fs_byte((addr)+(offs))
#define GET_SHORT_FROM_USER(target,addr,offs) \
*((short *)&(target)) = get_fs_word((addr)+(offs))
#ifdef AWE_OSS38
#define IOCTL_TO_USER(target,offs,source,count) \
memcpy(target, (source)+(offs), count)
#define COPY_TO_USER(target,offs,source,count) \
memcpy_tofs(target, (source)+(offs), (count))
#define IOCTL_IN(arg) (*(int*)(arg))
#define IOCTL_OUT(arg,val) (*(int*)(arg) = (val))
#define IO_WRITE_CHECK(cmd) (_SIOC_DIR(cmd) & _IOC_WRITE)
#else /* AWE_OSS38 */
#define IOCTL_TO_USER(target,offs,source,count) \
memcpy_tofs(target, (source)+(offs), (count))
#define COPY_TO_USER IOCTL_TO_USER
#define IOCTL_IN(arg) get_fs_long((long *)(arg))
#define IOCTL_OUT(arg,ret) snd_ioctl_return((int *)arg, ret)
#define IO_WRITE_CHECK(cmd) (cmd & IOC_IN)
#endif /* AWE_OSS38 */
#endif /* AWE_NEW_KERNEL_INTERFACE */
#define BZERO(target,len) memset(target, 0, len)
#define MEMCPY(dst,src,len) memcpy(dst, src, len)
/* old style device tables (not modulized) */
#ifndef AWE_MODULE_SUPPORT
#define sound_alloc_synthdev() \
(num_synths >= MAX_SYNTH_DEV ? -1 : num_synths++)
#define sound_alloc_mixerdev() \
(num_mixers >= MAX_MIXER_DEV ? -1 : num_mixers++)
#define sound_alloc_mididev() \
(num_midis >= MAX_MIXER_DEV ? -1 : num_midis++)
#define sound_unload_synthdev(dev) /**/
#define sound_unload_mixerdev(dev) /**/
#define sound_unload_mididev(dev) /**/
#endif /* AWE_MODULE_SUPPORT */
#endif /* CONFIG_AWE32_SYNTH */
#endif /* AWE_COMPAT_H_DEF */
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