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/*

 * 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 */