URL
https://opencores.org/ocsvn/or1k/or1k/trunk
Subversion Repositories or1k
[/] [or1k/] [trunk/] [linux/] [linux-2.4/] [drivers/] [sound/] [sound_calls.h] - Rev 1765
Compare with Previous | Blame | View Log
/* * 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, caddr_t 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); int DMAbuf_open_dma (int dev); void DMAbuf_close_dma (int dev); 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 *buf, int count); int audio_write (int dev, struct file *file, const char *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, caddr_t arg); void audio_init_devices (void); void reorganize_buffers (int dev, struct dma_buffparms *dmap, int recording); int dma_ioctl (int dev, unsigned int cmd, caddr_t arg); /* * System calls for the /dev/sequencer */ int sequencer_read (int dev, struct file *file, char *buf, int count); int sequencer_write (int dev, struct file *file, const char *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, caddr_t 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 *buf, int count); int MIDIbuf_write (int dev, struct file *file, const char *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, caddr_t 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);