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  */
  52 struct 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  */
  63 struct 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
  86 enum snd_pmac_model {
  87         PMAC_AWACS, PMAC_SCREAMER, PMAC_BURGUNDY, PMAC_DACA, PMAC_TUMBLER,
  88         PMAC_SNAPPER
  89 };
  90
  91 struct 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 */
 170 int snd_pmac_new(struct snd_card *card, struct snd_pmac **chip_return);
 171 int snd_pmac_pcm_new(struct snd_pmac *chip);
 172 int snd_pmac_attach_beep(struct snd_pmac *chip);
 173 void snd_pmac_detach_beep(struct snd_pmac *chip);
 174 void snd_pmac_beep_stop(struct snd_pmac *chip);
 175 unsigned int snd_pmac_rate_index(struct snd_pmac *chip, struct pmac_stream *rec, unsigned int rate);
 176
 177 void snd_pmac_beep_dma_start(struct snd_pmac *chip, int bytes, unsigned long addr, int speed);
 178 void snd_pmac_beep_dma_stop(struct snd_pmac *chip);
 179
 180 #ifdef CONFIG_PM
 181 void snd_pmac_suspend(struct snd_pmac *chip);
 182 void snd_pmac_resume(struct snd_pmac *chip);
 183 #endif
 184
 185 /* initialize mixer */
 186 int snd_pmac_awacs_init(struct snd_pmac *chip);
 187 int snd_pmac_burgundy_init(struct snd_pmac *chip);
 188 int snd_pmac_daca_init(struct snd_pmac *chip);
 189 int snd_pmac_tumbler_init(struct snd_pmac *chip);
 190 int snd_pmac_tumbler_post_init(void);
 191
 192 /* i2c functions */
 193 struct 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
 201 int snd_pmac_keywest_init(struct pmac_keywest *i2c);
 202 void snd_pmac_keywest_cleanup(struct pmac_keywest *i2c);
 203
 204 /* misc */
 205 int snd_pmac_boolean_stereo_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo);
 206 int snd_pmac_boolean_mono_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo);
 207
 208 int snd_pmac_add_automute(struct snd_pmac *chip);
 209
 210 #endif /* __PMAC_H */