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, caddr_t 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 int DMAbuf_open_dma (int dev);
17 void DMAbuf_close_dma (int dev);
18 void DMAbuf_inputintr(int dev);
19 void DMAbuf_outputintr(int dev, int underflow_flag);
20 struct dma_buffparms;
21 int DMAbuf_space_in_queue (int dev);
22 int DMAbuf_activate_recording (int dev, struct dma_buffparms *dmap);
23 int DMAbuf_get_buffer_pointer (int dev, struct dma_buffparms *dmap, int direction);
24 void DMAbuf_launch_output(int dev, struct dma_buffparms *dmap);
25 unsigned int DMAbuf_poll(struct file *file, int dev, poll_table *wait);
26 void DMAbuf_start_devices(unsigned int devmask);
27 void DMAbuf_reset (int dev);
28 int DMAbuf_sync (int dev);
29
30 /*
31 * System calls for /dev/dsp and /dev/audio (audio.c)
32 */
33
34 int audio_read (int dev, struct file *file, char *buf, int count);
35 int audio_write (int dev, struct file *file, const char *buf, int count);
36 int audio_open (int dev, struct file *file);
37 void audio_release (int dev, struct file *file);
38 int audio_ioctl (int dev, struct file *file,
39 unsigned int cmd, caddr_t arg);
40 void audio_init_devices (void);
41 void reorganize_buffers (int dev, struct dma_buffparms *dmap, int recording);
42 int dma_ioctl (int dev, unsigned int cmd, caddr_t arg);
43
44 /*
45 * System calls for the /dev/sequencer
46 */
47
48 int sequencer_read (int dev, struct file *file, char *buf, int count);
49 int sequencer_write (int dev, struct file *file, const char *buf, int count);
50 int sequencer_open (int dev, struct file *file);
51 void sequencer_release (int dev, struct file *file);
52 int sequencer_ioctl (int dev, struct file *file, unsigned int cmd, caddr_t arg);
53 unsigned int sequencer_poll(int dev, struct file *file, poll_table * wait);
54
55 void sequencer_init (void);
56 void sequencer_unload (void);
57 void sequencer_timer(unsigned long dummy);
58 int note_to_freq(int note_num);
59 unsigned long compute_finetune(unsigned long base_freq, int bend, int range,
60 int vibrato_bend);
61 void seq_input_event(unsigned char *event, int len);
62 void seq_copy_to_input (unsigned char *event, int len);
63
64 /*
65 * System calls for the /dev/midi
66 */
67
68 int MIDIbuf_read (int dev, struct file *file, char *buf, int count);
69 int MIDIbuf_write (int dev, struct file *file, const char *buf, int count);
70 int MIDIbuf_open (int dev, struct file *file);
71 void MIDIbuf_release (int dev, struct file *file);
72 int MIDIbuf_ioctl (int dev, struct file *file, unsigned int cmd, caddr_t arg);
73 unsigned int MIDIbuf_poll(int dev, struct file *file, poll_table * wait);
74 int MIDIbuf_avail(int dev);
75
76 void MIDIbuf_bytes_received(int dev, unsigned char *buf, int count);
77 void MIDIbuf_init(void);
78
79
80 /* From soundcard.c */
81 void request_sound_timer (int count);
82 void sound_stop_timer(void);
83 void conf_printf(char *name, struct address_info *hw_config);
84 void conf_printf2(char *name, int base, int irq, int dma, int dma2);
85
86 /* From sound_timer.c */
87 void sound_timer_interrupt(void);
88 void sound_timer_syncinterval(unsigned int new_usecs);
89
90 /* From midi_synth.c */
91 void do_midi_msg (int synthno, unsigned char *msg, int mlen);
92
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