+void snd_pmac_detach_beep(pmac_t *chip);
+void snd_pmac_beep_stop(pmac_t *chip);
+unsigned int snd_pmac_rate_index(pmac_t *chip, pmac_stream_t *rec, unsigned int rate);
+
+void snd_pmac_beep_dma_start(pmac_t *chip, int bytes, unsigned long addr, int speed);
+void snd_pmac_beep_dma_stop(pmac_t *chip);