--- /dev/null
+/*
+ * 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 <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
+
+/*
+ * DBDMA space
+ */
+struct pmac_dbdma {
+ dma_addr_t dma_base;
+ dma_addr_t addr;
+ struct dbdma_cmd __iomem *cmds;
+ void *space;
+ int size;
+};
+
+/*
+ * playback/capture stream
+ */
+struct 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;
+
+ struct pmac_dbdma cmd;
+ volatile struct dbdma_regs __iomem *dma;
+
+ struct snd_pcm_substream *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 {
+ struct snd_card *card;
+
+ /* h/w info */
+ struct device_node *node;
+ struct pci_dev *pdev;
+ 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 is_k2 : 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 requested;
+ struct resource rsrc[3];
+
+ 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;
+
+ struct pmac_stream playback;
+ struct pmac_stream capture;
+
+ struct pmac_dbdma extra_dma;
+
+ int irq, tx_irq, rx_irq;
+
+ struct snd_pcm *pcm;
+
+ struct pmac_beep *beep;
+
+ unsigned int control_mask; /* control mask */
+
+ /* mixer stuffs */
+ void *mixer_data;
+ void (*mixer_free)(struct snd_pmac *);
+ struct snd_kcontrol *master_sw_ctl;
+ struct snd_kcontrol *speaker_sw_ctl;
+ struct snd_kcontrol *drc_sw_ctl; /* only used for tumbler -ReneR */
+ struct snd_kcontrol *hp_detect_ctl;
+ struct snd_kcontrol *lineout_sw_ctl;
+
+ /* lowlevel callbacks */
+ void (*set_format)(struct snd_pmac *chip);
+ void (*update_automute)(struct snd_pmac *chip, int do_notify);
+ int (*detect_headphone)(struct snd_pmac *chip);
+#ifdef CONFIG_PM
+ void (*suspend)(struct snd_pmac *chip);
+ void (*resume)(struct snd_pmac *chip);
+#endif
+
+};
+
+
+/* exported functions */
+int snd_pmac_new(struct snd_card *card, struct snd_pmac **chip_return);
+int snd_pmac_pcm_new(struct snd_pmac *chip);
+int snd_pmac_attach_beep(struct snd_pmac *chip);
+void snd_pmac_detach_beep(struct snd_pmac *chip);
+void snd_pmac_beep_stop(struct snd_pmac *chip);
+unsigned int snd_pmac_rate_index(struct snd_pmac *chip, struct pmac_stream *rec, unsigned int rate);
+
+void snd_pmac_beep_dma_start(struct snd_pmac *chip, int bytes, unsigned long addr, int speed);
+void snd_pmac_beep_dma_stop(struct snd_pmac *chip);
+
+#ifdef CONFIG_PM
+void snd_pmac_suspend(struct snd_pmac *chip);
+void snd_pmac_resume(struct snd_pmac *chip);
+#endif
+
+/* initialize mixer */
+int snd_pmac_awacs_init(struct snd_pmac *chip);
+int snd_pmac_burgundy_init(struct snd_pmac *chip);
+int snd_pmac_daca_init(struct snd_pmac *chip);
+int snd_pmac_tumbler_init(struct snd_pmac *chip);
+int snd_pmac_tumbler_post_init(void);
+
+/* i2c functions */
+struct pmac_keywest {
+ int addr;
+ struct i2c_client *client;
+ int id;
+ int (*init_client)(struct pmac_keywest *i2c);
+ char *name;
+};
+
+int snd_pmac_keywest_init(struct pmac_keywest *i2c);
+void snd_pmac_keywest_cleanup(struct pmac_keywest *i2c);
+
+/* misc */
+#define snd_pmac_boolean_stereo_info snd_ctl_boolean_stereo_info
+#define snd_pmac_boolean_mono_info snd_ctl_boolean_mono_info
+
+int snd_pmac_add_automute(struct snd_pmac *chip);
+
+#endif /* __PMAC_H */
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