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* Driver for PowerMac onboard soundchips
* Copyright (c) 2001 by Takashi Iwai <>
* 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
* 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>
#include <linux/cuda.h>
#include <linux/pmu.h>
#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
* 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 {
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);
/* 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);
/* 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 */