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kernel/linux-rt-4.4.41/sound/oss/sound_calls.h 3.41 KB
5113f6f70   김현기   kernel add
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  /*
   *	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);