os.h
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#define ALLOW_SELECT
#undef NO_INLINE_ASM
#define SHORT_BANNERS
#define MANUAL_PNP
#undef DO_TIMINGS
#include <linux/module.h>
#ifdef __KERNEL__
#include <linux/string.h>
#include <linux/fs.h>
#include <asm/dma.h>
#include <asm/io.h>
#include <asm/param.h>
#include <linux/sched.h>
#include <linux/slab.h>
#include <linux/ioport.h>
#include <asm/page.h>
#include <linux/vmalloc.h>
#include <asm/uaccess.h>
#include <linux/poll.h>
#include <linux/pci.h>
#endif
#include <linux/soundcard.h>
#define FALSE 0
#define TRUE 1
extern int sound_alloc_dma(int chn, char *deviceID);
extern int sound_open_dma(int chn, char *deviceID);
extern void sound_free_dma(int chn);
extern void sound_close_dma(int chn);
extern void reprogram_timer(void);
#define USE_AUTOINIT_DMA
extern void *sound_mem_blocks[1024];
extern int sound_nblocks;
#undef PSEUDO_DMA_AUTOINIT
#define ALLOW_BUFFER_MAPPING
extern const struct file_operations oss_sound_fops;