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
);
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
);
29 * System calls for /dev/dsp and /dev/audio (audio.c)
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
);
42 * System calls for the /dev/sequencer
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
);
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
,
58 void seq_input_event(unsigned char *event
, int len
);
59 void seq_copy_to_input (unsigned char *event
, int len
);
62 * System calls for the /dev/midi
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
);
73 void MIDIbuf_bytes_received(int dev
, unsigned char *buf
, int count
);
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
);
82 /* From sound_timer.c */
83 void sound_timer_interrupt(void);
84 void sound_timer_syncinterval(unsigned int new_usecs
);
86 /* From midi_synth.c */
87 void do_midi_msg (int synthno
, unsigned char *msg
, int mlen
);