|  | /* | 
|  | *	DMA buffer calls | 
|  | */ | 
|  |  | 
|  | int DMAbuf_open(int dev, int mode); | 
|  | int DMAbuf_release(int dev, int mode); | 
|  | int DMAbuf_getwrbuffer(int dev, char **buf, int *size, int dontblock); | 
|  | int DMAbuf_getrdbuffer(int dev, char **buf, int *len, int dontblock); | 
|  | int DMAbuf_rmchars(int dev, int buff_no, int c); | 
|  | int DMAbuf_start_output(int dev, int buff_no, int l); | 
|  | int DMAbuf_move_wrpointer(int dev, int l); | 
|  | /* int DMAbuf_ioctl(int dev, unsigned int cmd, void __user *arg, int local); */ | 
|  | void DMAbuf_init(int dev, int dma1, int dma2); | 
|  | void DMAbuf_deinit(int dev); | 
|  | int DMAbuf_start_dma (int dev, unsigned long physaddr, int count, int dma_mode); | 
|  | void DMAbuf_inputintr(int dev); | 
|  | void DMAbuf_outputintr(int dev, int underflow_flag); | 
|  | struct dma_buffparms; | 
|  | int DMAbuf_space_in_queue (int dev); | 
|  | int DMAbuf_activate_recording (int dev, struct dma_buffparms *dmap); | 
|  | int DMAbuf_get_buffer_pointer (int dev, struct dma_buffparms *dmap, int direction); | 
|  | void DMAbuf_launch_output(int dev, struct dma_buffparms *dmap); | 
|  | unsigned int DMAbuf_poll(struct file *file, int dev, poll_table *wait); | 
|  | void DMAbuf_start_devices(unsigned int devmask); | 
|  | void DMAbuf_reset (int dev); | 
|  | int DMAbuf_sync (int dev); | 
|  |  | 
|  | /* | 
|  | *	System calls for /dev/dsp and /dev/audio (audio.c) | 
|  | */ | 
|  |  | 
|  | int audio_read (int dev, struct file *file, char __user *buf, int count); | 
|  | int audio_write (int dev, struct file *file, const char __user *buf, int count); | 
|  | int audio_open (int dev, struct file *file); | 
|  | void audio_release (int dev, struct file *file); | 
|  | int audio_ioctl (int dev, struct file *file, | 
|  | unsigned int cmd, void __user *arg); | 
|  | void audio_init_devices (void); | 
|  | void reorganize_buffers (int dev, struct dma_buffparms *dmap, int recording); | 
|  |  | 
|  | /* | 
|  | *	System calls for the /dev/sequencer | 
|  | */ | 
|  |  | 
|  | int sequencer_read (int dev, struct file *file, char __user *buf, int count); | 
|  | int sequencer_write (int dev, struct file *file, const char __user *buf, int count); | 
|  | int sequencer_open (int dev, struct file *file); | 
|  | void sequencer_release (int dev, struct file *file); | 
|  | int sequencer_ioctl (int dev, struct file *file, unsigned int cmd, void __user *arg); | 
|  | unsigned int sequencer_poll(int dev, struct file *file, poll_table * wait); | 
|  |  | 
|  | void sequencer_init (void); | 
|  | void sequencer_unload (void); | 
|  | void sequencer_timer(unsigned long dummy); | 
|  | int note_to_freq(int note_num); | 
|  | unsigned long compute_finetune(unsigned long base_freq, int bend, int range, | 
|  | int vibrato_bend); | 
|  | void seq_input_event(unsigned char *event, int len); | 
|  | void seq_copy_to_input (unsigned char *event, int len); | 
|  |  | 
|  | /* | 
|  | *	System calls for the /dev/midi | 
|  | */ | 
|  |  | 
|  | int MIDIbuf_read (int dev, struct file *file, char __user *buf, int count); | 
|  | int MIDIbuf_write (int dev, struct file *file, const char __user *buf, int count); | 
|  | int MIDIbuf_open (int dev, struct file *file); | 
|  | void MIDIbuf_release (int dev, struct file *file); | 
|  | int MIDIbuf_ioctl (int dev, struct file *file, unsigned int cmd, void __user *arg); | 
|  | unsigned int MIDIbuf_poll(int dev, struct file *file, poll_table * wait); | 
|  | int MIDIbuf_avail(int dev); | 
|  |  | 
|  | void MIDIbuf_bytes_received(int dev, unsigned char *buf, int count); | 
|  |  | 
|  |  | 
|  | /*	From soundcard.c	*/ | 
|  | void request_sound_timer (int count); | 
|  | void sound_stop_timer(void); | 
|  | void conf_printf(char *name, struct address_info *hw_config); | 
|  | void conf_printf2(char *name, int base, int irq, int dma, int dma2); | 
|  |  | 
|  | /*	From sound_timer.c */ | 
|  | void sound_timer_interrupt(void); | 
|  | void sound_timer_syncinterval(unsigned int new_usecs); | 
|  |  | 
|  | /*      From midi_synth.c       */ | 
|  | void do_midi_msg (int synthno, unsigned char *msg, int mlen); |