sound/oss/sound_calls.h

   1 /*
   2  *      DMA buffer calls
   3  */
   4
   5 int DMAbuf_open(int dev, int mode);
   6 int DMAbuf_release(int dev, int mode);
   7 int DMAbuf_getwrbuffer(int dev, char **buf, int *size, int dontblock);
   8 int DMAbuf_getrdbuffer(int dev, char **buf, int *len, int dontblock);
   9 int DMAbuf_rmchars(int dev, int buff_no, int c);
  10 int DMAbuf_start_output(int dev, int buff_no, int l);
  11 int DMAbuf_move_wrpointer(int dev, int l);
  12 /* int DMAbuf_ioctl(int dev, unsigned int cmd, void __user *arg, int local); */
  13 void DMAbuf_init(int dev, int dma1, int dma2);
  14 void DMAbuf_deinit(int dev);
  15 int DMAbuf_start_dma (int dev, unsigned long physaddr, int count, int dma_mode);
  16 int DMAbuf_open_dma (int dev);
  17 void DMAbuf_close_dma (int dev);
  18 void DMAbuf_inputintr(int dev);
  19 void DMAbuf_outputintr(int dev, int underflow_flag);
  20 struct dma_buffparms;
  21 int DMAbuf_space_in_queue (int dev);
  22 int DMAbuf_activate_recording (int dev, struct dma_buffparms *dmap);
  23 int DMAbuf_get_buffer_pointer (int dev, struct dma_buffparms *dmap, int direction);
  24 void DMAbuf_launch_output(int dev, struct dma_buffparms *dmap);
  25 unsigned int DMAbuf_poll(struct file *file, int dev, poll_table *wait);
  26 void DMAbuf_start_devices(unsigned int devmask);
  27 void DMAbuf_reset (int dev);
  28 int DMAbuf_sync (int dev);
  29
  30 /*
  31  *      System calls for /dev/dsp and /dev/audio (audio.c)
  32  */
  33
  34 int audio_read (int dev, struct file *file, char __user *buf, int count);
  35 int audio_write (int dev, struct file *file, const char __user *buf, int count);
  36 int audio_open (int dev, struct file *file);
  37 void audio_release (int dev, struct file *file);
  38 int audio_ioctl (int dev, struct file *file,
  39            unsigned int cmd, void __user *arg);
  40 void audio_init_devices (void);
  41 void reorganize_buffers (int dev, struct dma_buffparms *dmap, int recording);
  42
  43 /*
  44  *      System calls for the /dev/sequencer
  45  */
  46
  47 int sequencer_read (int dev, struct file *file, char __user *buf, int count);
  48 int sequencer_write (int dev, struct file *file, const char __user *buf, int count);
  49 int sequencer_open (int dev, struct file *file);
  50 void sequencer_release (int dev, struct file *file);
  51 int sequencer_ioctl (int dev, struct file *file, unsigned int cmd, void __user *arg);
  52 unsigned int sequencer_poll(int dev, struct file *file, poll_table * wait);
  53
  54 void sequencer_init (void);
  55 void sequencer_unload (void);
  56 void sequencer_timer(unsigned long dummy);
  57 int note_to_freq(int note_num);
  58 unsigned long compute_finetune(unsigned long base_freq, int bend, int range,
  59                                int vibrato_bend);
  60 void seq_input_event(unsigned char *event, int len);
  61 void seq_copy_to_input (unsigned char *event, int len);
  62
  63 /*
  64  *      System calls for the /dev/midi
  65  */
  66
  67 int MIDIbuf_read (int dev, struct file *file, char __user *buf, int count);
  68 int MIDIbuf_write (int dev, struct file *file, const char __user *buf, int count);
  69 int MIDIbuf_open (int dev, struct file *file);
  70 void MIDIbuf_release (int dev, struct file *file);
  71 int MIDIbuf_ioctl (int dev, struct file *file, unsigned int cmd, void __user *arg);
  72 unsigned int MIDIbuf_poll(int dev, struct file *file, poll_table * wait);
  73 int MIDIbuf_avail(int dev);
  74
  75 void MIDIbuf_bytes_received(int dev, unsigned char *buf, int count);
  76 void MIDIbuf_init(void);
  77
  78
  79 /*      From soundcard.c        */
  80 void request_sound_timer (int count);
  81 void sound_stop_timer(void);
  82 void conf_printf(char *name, struct address_info *hw_config);
  83 void conf_printf2(char *name, int base, int irq, int dma, int dma2);
  84
  85 /*      From sound_timer.c */
  86 void sound_timer_interrupt(void);
  87 void sound_timer_syncinterval(unsigned int new_usecs);
  88
  89 /*      From midi_synth.c       */
  90 void do_midi_msg (int synthno, unsigned char *msg, int mlen);