| /* |
| * 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); |
| 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); |