diff options
Diffstat (limited to 'drivers/dahdi/voicebus/voicebus.h')
| -rw-r--r-- | drivers/dahdi/voicebus/voicebus.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/dahdi/voicebus/voicebus.h b/drivers/dahdi/voicebus/voicebus.h index 6c67f15..53714f6 100644 --- a/drivers/dahdi/voicebus/voicebus.h +++ b/drivers/dahdi/voicebus/voicebus.h @@ -62,6 +62,21 @@ * (and not tasklet). */ #define CONFIG_VOICEBUS_INTERRUPT +/* Define this to use a FIFO for the software echocan reference. + * (experimental) */ +#undef CONFIG_VOICEBUS_ECREFERENCE + +#ifdef CONFIG_VOICEBUS_ECREFERENCE + +struct dahdi_fifo; +unsigned int __dahdi_fifo_put(struct dahdi_fifo *fifo, u8 *data, size_t size); +unsigned int __dahdi_fifo_get(struct dahdi_fifo *fifo, u8 *data, size_t size); +void dahdi_fifo_free(struct dahdi_fifo *fifo); +struct dahdi_fifo *dahdi_fifo_alloc(size_t maxsize, gfp_t alloc_flags); + +#endif + + struct voicebus; struct vbb { |