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awilliam
GitHub Repository: awilliam/linux-vfio
 Path: blob/master/sound/oss/sound_calls.h
10814 views
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/*

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 *	DMA buffer calls

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 */

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int DMAbuf_open(int dev, int mode);

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int DMAbuf_release(int dev, int mode);

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int DMAbuf_getwrbuffer(int dev, char **buf, int *size, int dontblock);

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int DMAbuf_getrdbuffer(int dev, char **buf, int *len, int dontblock);

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int DMAbuf_rmchars(int dev, int buff_no, int c);

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int DMAbuf_start_output(int dev, int buff_no, int l);

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int DMAbuf_move_wrpointer(int dev, int l);

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/* int DMAbuf_ioctl(int dev, unsigned int cmd, void __user *arg, int local); */

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void DMAbuf_init(int dev, int dma1, int dma2);

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void DMAbuf_deinit(int dev);

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int DMAbuf_start_dma (int dev, unsigned long physaddr, int count, int dma_mode);

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void DMAbuf_inputintr(int dev);

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void DMAbuf_outputintr(int dev, int underflow_flag);

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struct dma_buffparms;

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int DMAbuf_space_in_queue (int dev);

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int DMAbuf_activate_recording (int dev, struct dma_buffparms *dmap);

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int DMAbuf_get_buffer_pointer (int dev, struct dma_buffparms *dmap, int direction);

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void DMAbuf_launch_output(int dev, struct dma_buffparms *dmap);

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unsigned int DMAbuf_poll(struct file *file, int dev, poll_table *wait);

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void DMAbuf_start_devices(unsigned int devmask);

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void DMAbuf_reset (int dev);

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int DMAbuf_sync (int dev);

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/*

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 *	System calls for /dev/dsp and /dev/audio (audio.c)

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 */

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int audio_read (int dev, struct file *file, char __user *buf, int count);

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int audio_write (int dev, struct file *file, const char __user *buf, int count);

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int audio_open (int dev, struct file *file);

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void audio_release (int dev, struct file *file);

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int audio_ioctl (int dev, struct file *file,

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	   unsigned int cmd, void __user *arg);

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void audio_init_devices (void);

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void reorganize_buffers (int dev, struct dma_buffparms *dmap, int recording);

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/*

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 *	System calls for the /dev/sequencer

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 */

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int sequencer_read (int dev, struct file *file, char __user *buf, int count);

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int sequencer_write (int dev, struct file *file, const char __user *buf, int count);

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int sequencer_open (int dev, struct file *file);

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void sequencer_release (int dev, struct file *file);

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int sequencer_ioctl (int dev, struct file *file, unsigned int cmd, void __user *arg);

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unsigned int sequencer_poll(int dev, struct file *file, poll_table * wait);

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void sequencer_init (void);

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void sequencer_unload (void);

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void sequencer_timer(unsigned long dummy);

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int note_to_freq(int note_num);

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unsigned long compute_finetune(unsigned long base_freq, int bend, int range,

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			       int vibrato_bend);

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void seq_input_event(unsigned char *event, int len);

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void seq_copy_to_input (unsigned char *event, int len);

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/*

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 *	System calls for the /dev/midi

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 */

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int MIDIbuf_read (int dev, struct file *file, char __user *buf, int count);

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int MIDIbuf_write (int dev, struct file *file, const char __user *buf, int count);

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int MIDIbuf_open (int dev, struct file *file);

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void MIDIbuf_release (int dev, struct file *file);

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int MIDIbuf_ioctl (int dev, struct file *file, unsigned int cmd, void __user *arg);

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unsigned int MIDIbuf_poll(int dev, struct file *file, poll_table * wait);

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int MIDIbuf_avail(int dev);

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void MIDIbuf_bytes_received(int dev, unsigned char *buf, int count);

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/*	From soundcard.c	*/

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void request_sound_timer (int count);

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void sound_stop_timer(void);

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void conf_printf(char *name, struct address_info *hw_config);

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void conf_printf2(char *name, int base, int irq, int dma, int dma2);

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/*	From sound_timer.c */

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void sound_timer_interrupt(void);

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void sound_timer_syncinterval(unsigned int new_usecs);

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/*      From midi_synth.c       */

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void do_midi_msg (int synthno, unsigned char *msg, int mlen);

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