191 lines
5.8 KiB
C
191 lines
5.8 KiB
C
/*----------------------------------------------------------------
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* compatibility macros for AWE32 driver
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*----------------------------------------------------------------*/
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/* redefine following macros */
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#undef IOCTL_IN
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#undef IOCTL_OUT
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#undef OUTW
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#undef COPY_FROM_USER
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#undef COPY_TO_USER
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#undef GET_BYTE_FROM_USER
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#undef GET_SHORT_FROM_USER
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#undef IOCTL_TO_USER
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#ifdef linux
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/*================================================================
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* Linux macros
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*================================================================*/
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/* use inline prefix */
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#define INLINE inline
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/*----------------------------------------------------------------
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* memory management for linux
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*----------------------------------------------------------------*/
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#ifdef AWE_OBSOLETE_VOXWARE
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/* old type linux system */
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/* i/o requests; nothing */
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#define awe_check_port() 0 /* always false */
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#define awe_request_region() /* nothing */
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#define awe_release_region() /* nothing */
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static int _mem_start; /* memory pointer for permanent buffers */
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#define my_malloc_init(memptr) _mem_start = (memptr)
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#define my_malloc_memptr() _mem_start
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#define my_free(ptr) /* do nothing */
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#define my_realloc(buf,oldsize,size) NULL /* no realloc */
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static void *my_malloc(int size)
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{
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char *ptr;
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PERMANENT_MALLOC(ptr, char*, size, _mem_start);
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return (void*)ptr;
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}
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/* allocate buffer only once */
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#define INIT_TABLE(buffer,index,nums,type) {\
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buffer = my_malloc(sizeof(type) * (nums)); index = (nums);\
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}
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#else
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#define AWE_DYNAMIC_BUFFER
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#define my_malloc_init(ptr) /* nothing */
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#define my_malloc_memptr() 0
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#define my_malloc(size) vmalloc(size)
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#define my_free(ptr) if (ptr) {vfree(ptr);}
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static void *my_realloc(void *buf, int oldsize, int size)
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{
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void *ptr;
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if ((ptr = vmalloc(size)) == NULL)
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return NULL;
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memcpy(ptr, buf, ((oldsize < size) ? oldsize : size) );
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vfree(buf);
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return ptr;
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}
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/* do not allocate buffer at beginning */
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#define INIT_TABLE(buffer,index,nums,type) {buffer=NULL; index=0;}
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/* old type macro */
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#define RET_ERROR(err) -err
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#endif
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/*----------------------------------------------------------------
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* i/o interfaces for linux
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*----------------------------------------------------------------*/
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#define OUTW(data,addr) outw(data, addr)
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#ifdef AWE_NEW_KERNEL_INTERFACE
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#define COPY_FROM_USER(target,source,offs,count) \
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copy_from_user(target, (source)+(offs), count)
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#define GET_BYTE_FROM_USER(target,addr,offs) \
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get_user(target, (unsigned char*)&((addr)[offs]))
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#define GET_SHORT_FROM_USER(target,addr,offs) \
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get_user(target, (unsigned short*)&((addr)[offs]))
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#ifdef AWE_OSS38
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#define IOCTL_TO_USER(target,offs,source,count) \
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memcpy(target, (source)+(offs), count)
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#define IO_WRITE_CHECK(cmd) (_SIOC_DIR(cmd) & _IOC_WRITE)
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#else
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#define IOCTL_TO_USER(target,offs,source,count) \
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copy_to_user(target, (source)+(offs), count)
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#define IO_WRITE_CHECK(cmd) (_IOC_DIR(cmd) & _IOC_WRITE)
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#endif /* AWE_OSS38 */
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#define COPY_TO_USER IOCTL_TO_USER
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#define IOCTL_IN(arg) (*(int*)(arg))
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#define IOCTL_OUT(arg,val) (*(int*)(arg) = (val))
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#else /* old type i/o */
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#define COPY_FROM_USER(target,source,offs,count) \
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memcpy_fromfs(target, (source)+(offs), (count))
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#define GET_BYTE_FROM_USER(target,addr,offs) \
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*((char *)&(target)) = get_fs_byte((addr)+(offs))
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#define GET_SHORT_FROM_USER(target,addr,offs) \
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*((short *)&(target)) = get_fs_word((addr)+(offs))
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#define IOCTL_TO_USER(target,offs,source,count) \
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memcpy_tofs(target, (source)+(offs), (count))
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#define COPY_TO_USER IOCTL_TO_USER
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#define IO_WRITE_CHECK(cmd) (cmd & IOC_IN)
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#define IOCTL_IN(arg) get_fs_long((long *)(arg))
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#define IOCTL_OUT(arg,ret) snd_ioctl_return((int *)arg, ret)
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#endif /* AWE_NEW_KERNEL_INTERFACE */
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#define BZERO(target,len) memset(target, 0, len)
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#define MEMCPY(dst,src,len) memcpy(dst, src, len)
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#elif defined(__FreeBSD__)
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/*================================================================
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* FreeBSD macros
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*================================================================*/
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/* inline is not checked yet.. maybe it'll work */
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#define INLINE /*inline*/
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/*----------------------------------------------------------------
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* memory management for freebsd
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*----------------------------------------------------------------*/
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/* i/o requests; nothing */
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#define awe_check_port() 0 /* always false */
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#define awe_request_region() /* nothing */
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#define awe_release_region() /* nothing */
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#define AWE_DYNAMIC_BUFFER
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#define my_malloc_init(ptr) /* nothing */
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#define my_malloc_memptr() 0
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#define my_malloc(size) malloc(size, M_TEMP, M_WAITOK)
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#define my_free(ptr) if (ptr) {free(ptr, M_TEMP);}
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#define INIT_TABLE(buffer,index,nums,type) {buffer=NULL; index=0;}
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/* it should be realloc? */
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static void *my_realloc(void *buf, int oldsize, int size)
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{
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void *ptr;
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if ((ptr = my_malloc(size)) == NULL)
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return NULL;
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memcpy(ptr, buf, ((oldsize < size) ? oldsize : size) );
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my_free(buf);
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return ptr;
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}
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/*----------------------------------------------------------------
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* i/o interfaces for freebsd
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*----------------------------------------------------------------*/
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/* according to linux rule; the arguments are swapped */
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#define OUTW(data,addr) outw(addr, data)
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#define COPY_FROM_USER(target,source,offs,count) \
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uiomove(((caddr_t)(target)),(count),((struct uio *)(source)))
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#define COPY_TO_USER(target,source,offs,count) \
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uiomove(((caddr_t)(source)),(count),((struct uio *)(target)))
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#define GET_BYTE_FROM_USER(target,addr,offs) \
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uiomove(((char*)&(target)), 1, ((struct uio *)(addr)))
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#define GET_SHORT_FROM_USER(target,addr,offs) \
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uiomove(((char*)&(target)), 2, ((struct uio *)(addr)))
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#define IOCTL_TO_USER(target,offs,source,count) \
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memcpy(&((target)[offs]), (source), (count))
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#define IO_WRITE_CHECK(cmd) (cmd & IOC_IN)
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#define IOCTL_IN(arg) (*(int*)(arg))
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#define IOCTL_OUT(arg,val) (*(int*)(arg) = (val))
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#define BZERO(target,len) bzero((caddr_t)target, len)
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#define MEMCPY(dst,src,len) bcopy((caddr_t)src, (caddr_t)dst, len)
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#endif
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