sound_calls.h
上传用户:lgb322
上传日期:2013-02-24
资源大小:30529k
文件大小:3k
- /*
- * 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, caddr_t 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);
- int DMAbuf_open_dma (int dev);
- void DMAbuf_close_dma (int dev);
- 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 *buf, int count);
- int audio_write (int dev, struct file *file, const char *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, caddr_t arg);
- void audio_init_devices (void);
- void reorganize_buffers (int dev, struct dma_buffparms *dmap, int recording);
- int dma_ioctl (int dev, unsigned int cmd, caddr_t arg);
- /*
- * System calls for the /dev/sequencer
- */
- int sequencer_read (int dev, struct file *file, char *buf, int count);
- int sequencer_write (int dev, struct file *file, const char *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, caddr_t 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 *buf, int count);
- int MIDIbuf_write (int dev, struct file *file, const char *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, caddr_t 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);
- void MIDIbuf_init(void);
- /* 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);