diff --git a/sound/ppc/pmac.h b/sound/ppc/pmac.h
new file mode 100644
index 0000000..a699b01
--- /dev/null
+++ b/sound/ppc/pmac.h
@@ -0,0 +1,214 @@
+/*
+ * Driver for PowerMac onboard soundchips
+ * Copyright (c) 2001 by Takashi Iwai <tiwai@suse.de>
+ *   based on dmasound.c.
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+ */
+
+
+#ifndef __PMAC_H
+#define __PMAC_H
+
+#include <linux/version.h>
+#include <sound/control.h>
+#include <sound/pcm.h>
+#include "awacs.h"
+
+#include <linux/adb.h>
+#ifdef CONFIG_ADB_CUDA
+#include <linux/cuda.h>
+#endif
+#ifdef CONFIG_ADB_PMU
+#include <linux/pmu.h>
+#endif
+#include <linux/nvram.h>
+#include <linux/tty.h>
+#include <linux/vt_kern.h>
+#include <asm/dbdma.h>
+#include <asm/prom.h>
+#include <asm/machdep.h>
+
+/* maximum number of fragments */
+#define PMAC_MAX_FRAGS		32
+
+
+#define PMAC_SUPPORT_AUTOMUTE
+
+/*
+ * typedefs
+ */
+typedef struct snd_pmac pmac_t;
+typedef struct snd_pmac_stream pmac_stream_t;
+typedef struct snd_pmac_beep pmac_beep_t;
+typedef struct snd_pmac_dbdma pmac_dbdma_t;
+
+
+/*
+ * DBDMA space
+ */
+struct snd_pmac_dbdma {
+	unsigned long addr;
+	struct dbdma_cmd __iomem *cmds;
+	void *space;
+	int size;
+};
+
+/*
+ * playback/capture stream
+ */
+struct snd_pmac_stream {
+	int running;	/* boolean */
+
+	int stream;	/* PLAYBACK/CAPTURE */
+
+	int dma_size; /* in bytes */
+	int period_size; /* in bytes */
+	int buffer_size; /* in kbytes */
+	int nperiods, cur_period;
+
+	pmac_dbdma_t cmd;
+	volatile struct dbdma_regs __iomem *dma;
+
+	snd_pcm_substream_t *substream;
+
+	unsigned int cur_freqs;		/* currently available frequencies */
+	unsigned int cur_formats;	/* currently available formats */
+};
+
+
+/*
+ */
+
+enum snd_pmac_model {
+	PMAC_AWACS, PMAC_SCREAMER, PMAC_BURGUNDY, PMAC_DACA, PMAC_TUMBLER, PMAC_SNAPPER
+};
+
+struct snd_pmac {
+	snd_card_t *card;
+
+	/* h/w info */
+	struct device_node *node;
+	unsigned int revision;
+	unsigned int manufacturer;
+	unsigned int subframe;
+	unsigned int device_id;
+	enum snd_pmac_model model;
+
+	unsigned int has_iic : 1;
+	unsigned int is_pbook_3400 : 1;
+	unsigned int is_pbook_G3 : 1;
+
+	unsigned int can_byte_swap : 1;
+	unsigned int can_duplex : 1;
+	unsigned int can_capture : 1;
+
+	unsigned int auto_mute : 1;
+	unsigned int initialized : 1;
+	unsigned int feature_is_set : 1;
+
+	unsigned int of_requested;
+
+	int num_freqs;
+	int *freq_table;
+	unsigned int freqs_ok;		/* bit flags */
+	unsigned int formats_ok;	/* pcm hwinfo */
+	int active;
+	int rate_index;
+	int format;			/* current format */
+
+	spinlock_t reg_lock;
+	volatile struct awacs_regs __iomem *awacs;
+	int awacs_reg[8]; /* register cache */
+	unsigned int hp_stat_mask;
+
+	unsigned char __iomem *latch_base;
+	unsigned char __iomem *macio_base;
+
+	pmac_stream_t playback;
+	pmac_stream_t capture;
+
+	pmac_dbdma_t extra_dma;
+
+	int irq, tx_irq, rx_irq;
+
+	snd_pcm_t *pcm;
+
+	pmac_beep_t *beep;
+
+	unsigned int control_mask;	/* control mask */
+
+	/* mixer stuffs */
+	void *mixer_data;
+	void (*mixer_free)(pmac_t *);
+	snd_kcontrol_t *master_sw_ctl;
+	snd_kcontrol_t *speaker_sw_ctl;
+	snd_kcontrol_t *drc_sw_ctl;	/* only used for tumbler -ReneR */
+	snd_kcontrol_t *hp_detect_ctl;
+
+	/* lowlevel callbacks */
+	void (*set_format)(pmac_t *chip);
+	void (*update_automute)(pmac_t *chip, int do_notify);
+	int (*detect_headphone)(pmac_t *chip);
+#ifdef CONFIG_PMAC_PBOOK
+	void (*suspend)(pmac_t *chip);
+	void (*resume)(pmac_t *chip);
+#endif
+
+};
+
+
+/* exported functions */
+int snd_pmac_new(snd_card_t *card, pmac_t **chip_return);
+int snd_pmac_pcm_new(pmac_t *chip);
+int snd_pmac_attach_beep(pmac_t *chip);
+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);
+
+/* initialize mixer */
+int snd_pmac_awacs_init(pmac_t *chip);
+int snd_pmac_burgundy_init(pmac_t *chip);
+int snd_pmac_daca_init(pmac_t *chip);
+int snd_pmac_tumbler_init(pmac_t *chip);
+int snd_pmac_tumbler_post_init(void);
+
+/* i2c functions */
+typedef struct snd_pmac_keywest {
+	int addr;
+	struct i2c_client *client;
+	int id;
+	int (*init_client)(struct snd_pmac_keywest *i2c);
+	char *name;
+} pmac_keywest_t;
+
+int snd_pmac_keywest_init(pmac_keywest_t *i2c);
+void snd_pmac_keywest_cleanup(pmac_keywest_t *i2c);
+
+/* misc */
+int snd_pmac_boolean_stereo_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo);
+int snd_pmac_boolean_mono_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo);
+
+int snd_pmac_add_automute(pmac_t *chip);
+
+#define big_mdelay(msec) do {\
+	set_current_state(TASK_UNINTERRUPTIBLE);\
+	schedule_timeout(((msec) * HZ + 999) / 1000);\
+} while (0)
+
+#endif /* __PMAC_H */