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