-unsigned int snd_emu10k1_ptr_read(emu10k1_t * emu, unsigned int reg, unsigned int chn);
-void snd_emu10k1_ptr_write(emu10k1_t *emu, unsigned int reg, unsigned int chn, unsigned int data);
-unsigned int snd_emu10k1_ptr20_read(emu10k1_t * emu, unsigned int reg, unsigned int chn);
-void snd_emu10k1_ptr20_write(emu10k1_t *emu, unsigned int reg, unsigned int chn, unsigned int data);
-unsigned int snd_emu10k1_efx_read(emu10k1_t *emu, unsigned int pc);
-void snd_emu10k1_intr_enable(emu10k1_t *emu, unsigned int intrenb);
-void snd_emu10k1_intr_disable(emu10k1_t *emu, unsigned int intrenb);
-void snd_emu10k1_voice_intr_enable(emu10k1_t *emu, unsigned int voicenum);
-void snd_emu10k1_voice_intr_disable(emu10k1_t *emu, unsigned int voicenum);
-void snd_emu10k1_voice_intr_ack(emu10k1_t *emu, unsigned int voicenum);
-void snd_emu10k1_voice_half_loop_intr_enable(emu10k1_t *emu, unsigned int voicenum);
-void snd_emu10k1_voice_half_loop_intr_disable(emu10k1_t *emu, unsigned int voicenum);
-void snd_emu10k1_voice_half_loop_intr_ack(emu10k1_t *emu, unsigned int voicenum);
-void snd_emu10k1_voice_set_loop_stop(emu10k1_t *emu, unsigned int voicenum);
-void snd_emu10k1_voice_clear_loop_stop(emu10k1_t *emu, unsigned int voicenum);
-void snd_emu10k1_wait(emu10k1_t *emu, unsigned int wait);
-static inline unsigned int snd_emu10k1_wc(emu10k1_t *emu) { return (inl(emu->port + WC) >> 6) & 0xfffff; }
-unsigned short snd_emu10k1_ac97_read(ac97_t *ac97, unsigned short reg);
-void snd_emu10k1_ac97_write(ac97_t *ac97, unsigned short reg, unsigned short data);
+unsigned int snd_emu10k1_ptr_read(struct snd_emu10k1 * emu, unsigned int reg, unsigned int chn);
+void snd_emu10k1_ptr_write(struct snd_emu10k1 *emu, unsigned int reg, unsigned int chn, unsigned int data);
+unsigned int snd_emu10k1_ptr20_read(struct snd_emu10k1 * emu, unsigned int reg, unsigned int chn);
+void snd_emu10k1_ptr20_write(struct snd_emu10k1 *emu, unsigned int reg, unsigned int chn, unsigned int data);
+int snd_emu10k1_spi_write(struct snd_emu10k1 * emu, unsigned int data);
+unsigned int snd_emu10k1_efx_read(struct snd_emu10k1 *emu, unsigned int pc);
+void snd_emu10k1_intr_enable(struct snd_emu10k1 *emu, unsigned int intrenb);
+void snd_emu10k1_intr_disable(struct snd_emu10k1 *emu, unsigned int intrenb);
+void snd_emu10k1_voice_intr_enable(struct snd_emu10k1 *emu, unsigned int voicenum);
+void snd_emu10k1_voice_intr_disable(struct snd_emu10k1 *emu, unsigned int voicenum);
+void snd_emu10k1_voice_intr_ack(struct snd_emu10k1 *emu, unsigned int voicenum);
+void snd_emu10k1_voice_half_loop_intr_enable(struct snd_emu10k1 *emu, unsigned int voicenum);
+void snd_emu10k1_voice_half_loop_intr_disable(struct snd_emu10k1 *emu, unsigned int voicenum);
+void snd_emu10k1_voice_half_loop_intr_ack(struct snd_emu10k1 *emu, unsigned int voicenum);
+void snd_emu10k1_voice_set_loop_stop(struct snd_emu10k1 *emu, unsigned int voicenum);
+void snd_emu10k1_voice_clear_loop_stop(struct snd_emu10k1 *emu, unsigned int voicenum);
+void snd_emu10k1_wait(struct snd_emu10k1 *emu, unsigned int wait);
+static inline unsigned int snd_emu10k1_wc(struct snd_emu10k1 *emu) { return (inl(emu->port + WC) >> 6) & 0xfffff; }
+unsigned short snd_emu10k1_ac97_read(struct snd_ac97 *ac97, unsigned short reg);
+void snd_emu10k1_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short data);