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/*
* sound/awe_compat.h
*
* Compat defines for the AWE32/Sound Blaster 32 wave table synth. driver
* version 0.4.2c; Oct. 7, 1997
*
* Copyright (C) 1996,1997 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.
*/
/*----------------------------------------------------------------
* 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
#ifdef linux
/*================================================================
* Linux macros
*================================================================*/
/* 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 */
#define my_realloc(buf,oldsize,size) NULL /* no realloc */
static void *my_malloc(int size)
{
char *ptr;
PERMANENT_MALLOC(ptr, char*, size, _mem_start);
return (void*)ptr;
}
/* allocate buffer only once */
#define INIT_TABLE(buffer,index,nums,type) {\
buffer = my_malloc(sizeof(type) * (nums)); 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);}
static void *my_realloc(void *buf, int oldsize, int size)
{
void *ptr;
if ((ptr = vmalloc(size)) == NULL)
return NULL;
memcpy(ptr, buf, ((oldsize < size) ? oldsize : size) );
vfree(buf);
return 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))
#define IOCTL_TO_USER(target,offs,source,count) \
memcpy_tofs(target, (source)+(offs), (count))
#define COPY_TO_USER IOCTL_TO_USER
#define IO_WRITE_CHECK(cmd) (cmd & IOC_IN)
#define IOCTL_IN(arg) get_fs_long((long *)(arg))
#define IOCTL_OUT(arg,ret) snd_ioctl_return((int *)arg, ret)
#endif /* AWE_NEW_KERNEL_INTERFACE */
#define BZERO(target,len) memset(target, 0, len)
#define MEMCPY(dst,src,len) memcpy(dst, src, len)
#elif defined(__FreeBSD__)
/*================================================================
* FreeBSD macros
*================================================================*/
/* inline is not checked yet.. maybe it'll work */
#define INLINE /*inline*/
/*----------------------------------------------------------------
* memory management for freebsd
*----------------------------------------------------------------*/
/* i/o requests; nothing */
#define awe_check_port() 0 /* always false */
#define awe_request_region() /* nothing */
#define awe_release_region() /* nothing */
#define AWE_DYNAMIC_BUFFER
#define my_malloc_init(ptr) /* nothing */
#define my_malloc_memptr() 0
#define my_malloc(size) malloc(size, M_TEMP, M_WAITOK)
#define my_free(ptr) if (ptr) {free(ptr, M_TEMP);}
#define INIT_TABLE(buffer,index,nums,type) {buffer=NULL; index=0;}
/* it should be realloc? */
static void *my_realloc(void *buf, int oldsize, int size)
{
void *ptr;
if ((ptr = my_malloc(size)) == NULL)
return NULL;
memcpy(ptr, buf, ((oldsize < size) ? oldsize : size) );
my_free(buf);
return ptr;
}
/*----------------------------------------------------------------
* i/o interfaces for freebsd
*----------------------------------------------------------------*/
/* according to linux rule; the arguments are swapped */
#define OUTW(data,addr) outw(addr, data)
#define COPY_FROM_USER(target,source,offs,count) \
uiomove(((caddr_t)(target)),(count),((struct uio *)(source)))
#define COPY_TO_USER(target,source,offs,count) \
uiomove(((caddr_t)(source)),(count),((struct uio *)(target)))
#define GET_BYTE_FROM_USER(target,addr,offs) \
uiomove(((char*)&(target)), 1, ((struct uio *)(addr)))
#define GET_SHORT_FROM_USER(target,addr,offs) \
uiomove(((char*)&(target)), 2, ((struct uio *)(addr)))
#define IOCTL_TO_USER(target,offs,source,count) \
memcpy(&((target)[offs]), (source), (count))
#define IO_WRITE_CHECK(cmd) (cmd & IOC_IN)
#define IOCTL_IN(arg) (*(int*)(arg))
#define IOCTL_OUT(arg,val) (*(int*)(arg) = (val))
#define BZERO(target,len) bzero((caddr_t)target, len)
#define MEMCPY(dst,src,len) bcopy((caddr_t)src, (caddr_t)dst, len)
#ifndef AWE_OBSOLETE_VOXWARE
# define printk printf
# define RET_ERROR(err) -err
#endif
#endif
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