LXR linux/sound/ppc/pmac.h

   1/*
   2 * Driver for PowerMac onboard soundchips
   3 * Copyright (c) 2001 by Takashi Iwai <tiwai@suse.de>
   4 *   based on dmasound.c.
   5 *
   6 *   This program is free software; you can redistribute it and/or modify
   7 *   it under the terms of the GNU General Public License as published by
   8 *   the Free Software Foundation; either version 2 of the License, or
   9 *   (at your option) any later version.
  10 *
  11 *   This program is distributed in the hope that it will be useful,
  12 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 *   GNU General Public License for more details.
  15 *
  16 *   You should have received a copy of the GNU General Public License
  17 *   along with this program; if not, write to the Free Software
  18 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  19 */
  20
  21
  22#ifndef __PMAC_H
  23#define __PMAC_H
  24
  25#include <sound/control.h>
  26#include <sound/pcm.h>
  27#include "awacs.h"
  28
  29#include <linux/adb.h>
  30#ifdef CONFIG_ADB_CUDA
  31#include <linux/cuda.h>
  32#endif
  33#ifdef CONFIG_ADB_PMU
  34#include <linux/pmu.h>
  35#endif
  36#include <linux/nvram.h>
  37#include <linux/tty.h>
  38#include <linux/vt_kern.h>
  39#include <asm/dbdma.h>
  40#include <asm/prom.h>
  41#include <asm/machdep.h>
  42
  43/* maximum number of fragments */
  44#define PMAC_MAX_FRAGS          32
  45
  46
  47#define PMAC_SUPPORT_AUTOMUTE
  48
  49/*
  50 * DBDMA space
  51 */
  52struct pmac_dbdma {
  53        dma_addr_t dma_base;
  54        dma_addr_t addr;
  55        struct dbdma_cmd __iomem *cmds;
  56        void *space;
  57        int size;
  58};
  59
  60/*
  61 * playback/capture stream
  62 */
  63struct pmac_stream {
  64        int running;    /* boolean */
  65
  66        int stream;     /* PLAYBACK/CAPTURE */
  67
  68        int dma_size; /* in bytes */
  69        int period_size; /* in bytes */
  70        int buffer_size; /* in kbytes */
  71        int nperiods, cur_period;
  72
  73        struct pmac_dbdma cmd;
  74        volatile struct dbdma_regs __iomem *dma;
  75
  76        struct snd_pcm_substream *substream;
  77
  78        unsigned int cur_freqs;         /* currently available frequencies */
  79        unsigned int cur_formats;       /* currently available formats */
  80};
  81
  82
  83/*
  84 */
  85
  86enum snd_pmac_model {
  87        PMAC_AWACS, PMAC_SCREAMER, PMAC_BURGUNDY, PMAC_DACA, PMAC_TUMBLER,
  88        PMAC_SNAPPER
  89};
  90
  91struct snd_pmac {
  92        struct snd_card *card;
  93
  94        /* h/w info */
  95        struct device_node *node;
  96        struct pci_dev *pdev;
  97        unsigned int revision;
  98        unsigned int manufacturer;
  99        unsigned int subframe;
 100        unsigned int device_id;
 101        enum snd_pmac_model model;
 102
 103        unsigned int has_iic : 1;
 104        unsigned int is_pbook_3400 : 1;
 105        unsigned int is_pbook_G3 : 1;
 106        unsigned int is_k2 : 1;
 107
 108        unsigned int can_byte_swap : 1;
 109        unsigned int can_duplex : 1;
 110        unsigned int can_capture : 1;
 111
 112        unsigned int auto_mute : 1;
 113        unsigned int initialized : 1;
 114        unsigned int feature_is_set : 1;
 115
 116        unsigned int requested;
 117        struct resource rsrc[3];
 118
 119        int num_freqs;
 120        int *freq_table;
 121        unsigned int freqs_ok;          /* bit flags */
 122        unsigned int formats_ok;        /* pcm hwinfo */
 123        int active;
 124        int rate_index;
 125        int format;                     /* current format */
 126
 127        spinlock_t reg_lock;
 128        volatile struct awacs_regs __iomem *awacs;
 129        int awacs_reg[8]; /* register cache */
 130        unsigned int hp_stat_mask;
 131
 132        unsigned char __iomem *latch_base;
 133        unsigned char __iomem *macio_base;
 134
 135        struct pmac_stream playback;
 136        struct pmac_stream capture;
 137
 138        struct pmac_dbdma extra_dma;
 139
 140        int irq, tx_irq, rx_irq;
 141
 142        struct snd_pcm *pcm;
 143
 144        struct pmac_beep *beep;
 145
 146        unsigned int control_mask;      /* control mask */
 147
 148        /* mixer stuffs */
 149        void *mixer_data;
 150        void (*mixer_free)(struct snd_pmac *);
 151        struct snd_kcontrol *master_sw_ctl;
 152        struct snd_kcontrol *speaker_sw_ctl;
 153        struct snd_kcontrol *drc_sw_ctl;        /* only used for tumbler -ReneR */
 154        struct snd_kcontrol *hp_detect_ctl;
 155        struct snd_kcontrol *lineout_sw_ctl;
 156
 157        /* lowlevel callbacks */
 158        void (*set_format)(struct snd_pmac *chip);
 159        void (*update_automute)(struct snd_pmac *chip, int do_notify);
 160        int (*detect_headphone)(struct snd_pmac *chip);
 161#ifdef CONFIG_PM
 162        void (*suspend)(struct snd_pmac *chip);
 163        void (*resume)(struct snd_pmac *chip);
 164#endif
 165
 166};
 167
 168
 169/* exported functions */
 170int snd_pmac_new(struct snd_card *card, struct snd_pmac **chip_return);
 171int snd_pmac_pcm_new(struct snd_pmac *chip);
 172int snd_pmac_attach_beep(struct snd_pmac *chip);
 173void snd_pmac_detach_beep(struct snd_pmac *chip);
 174void snd_pmac_beep_stop(struct snd_pmac *chip);
 175unsigned int snd_pmac_rate_index(struct snd_pmac *chip, struct pmac_stream *rec, unsigned int rate);
 176
 177void snd_pmac_beep_dma_start(struct snd_pmac *chip, int bytes, unsigned long addr, int speed);
 178void snd_pmac_beep_dma_stop(struct snd_pmac *chip);
 179
 180#ifdef CONFIG_PM
 181void snd_pmac_suspend(struct snd_pmac *chip);
 182void snd_pmac_resume(struct snd_pmac *chip);
 183#endif
 184
 185/* initialize mixer */
 186int snd_pmac_awacs_init(struct snd_pmac *chip);
 187int snd_pmac_burgundy_init(struct snd_pmac *chip);
 188int snd_pmac_daca_init(struct snd_pmac *chip);
 189int snd_pmac_tumbler_init(struct snd_pmac *chip);
 190int snd_pmac_tumbler_post_init(void);
 191
 192/* i2c functions */
 193struct pmac_keywest {
 194        int addr;
 195        struct i2c_client *client;
 196        int id;
 197        int (*init_client)(struct pmac_keywest *i2c);
 198        char *name;
 199};
 200
 201int snd_pmac_keywest_init(struct pmac_keywest *i2c);
 202void snd_pmac_keywest_cleanup(struct pmac_keywest *i2c);
 203
 204/* misc */
 205#define snd_pmac_boolean_stereo_info    snd_ctl_boolean_stereo_info
 206#define snd_pmac_boolean_mono_info      snd_ctl_boolean_mono_info
 207
 208int snd_pmac_add_automute(struct snd_pmac *chip);
 209
 210#endif /* __PMAC_H */
 211