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 <linux/version.h>
  26 #include <sound/control.h>
  27 #include <sound/pcm.h>
  28 #include "awacs.h"
  29
  30 #include <linux/adb.h>
  31 #ifdef CONFIG_ADB_CUDA
  32 #include <linux/cuda.h>
  33 #endif
  34 #ifdef CONFIG_ADB_PMU
  35 #include <linux/pmu.h>
  36 #endif
  37 #include <linux/nvram.h>
  38 #include <linux/tty.h>
  39 #include <linux/vt_kern.h>
  40 #include <asm/dbdma.h>
  41 #include <asm/prom.h>
  42 #include <asm/machdep.h>
  43
  44 /* maximum number of fragments */
  45 #define PMAC_MAX_FRAGS          32
  46
  47
  48 #define PMAC_SUPPORT_AUTOMUTE
  49
  50 /*
  51  * typedefs
  52  */
  53 typedef struct snd_pmac pmac_t;
  54 typedef struct snd_pmac_stream pmac_stream_t;
  55 typedef struct snd_pmac_beep pmac_beep_t;
  56 typedef struct snd_pmac_dbdma pmac_dbdma_t;
  57
  58
  59 /*
  60  * DBDMA space
  61  */
  62 struct snd_pmac_dbdma {
  63         unsigned long addr;
  64         struct dbdma_cmd __iomem *cmds;
  65         void *space;
  66         int size;
  67 };
  68
  69 /*
  70  * playback/capture stream
  71  */
  72 struct snd_pmac_stream {
  73         int running;    /* boolean */
  74
  75         int stream;     /* PLAYBACK/CAPTURE */
  76
  77         int dma_size; /* in bytes */
  78         int period_size; /* in bytes */
  79         int buffer_size; /* in kbytes */
  80         int nperiods, cur_period;
  81
  82         pmac_dbdma_t cmd;
  83         volatile struct dbdma_regs __iomem *dma;
  84
  85         snd_pcm_substream_t *substream;
  86
  87         unsigned int cur_freqs;         /* currently available frequencies */
  88         unsigned int cur_formats;       /* currently available formats */
  89 };
  90
  91
  92 /*
  93  */
  94
  95 enum snd_pmac_model {
  96         PMAC_AWACS, PMAC_SCREAMER, PMAC_BURGUNDY, PMAC_DACA, PMAC_TUMBLER, PMAC_SNAPPER
  97 };
  98
  99 struct snd_pmac {
 100         snd_card_t *card;
 101
 102         /* h/w info */
 103         struct device_node *node;
 104         unsigned int revision;
 105         unsigned int manufacturer;
 106         unsigned int subframe;
 107         unsigned int device_id;
 108         enum snd_pmac_model model;
 109
 110         unsigned int has_iic : 1;
 111         unsigned int is_pbook_3400 : 1;
 112         unsigned int is_pbook_G3 : 1;
 113
 114         unsigned int can_byte_swap : 1;
 115         unsigned int can_duplex : 1;
 116         unsigned int can_capture : 1;
 117
 118         unsigned int auto_mute : 1;
 119         unsigned int initialized : 1;
 120         unsigned int feature_is_set : 1;
 121
 122         unsigned int of_requested;
 123
 124         int num_freqs;
 125         int *freq_table;
 126         unsigned int freqs_ok;          /* bit flags */
 127         unsigned int formats_ok;        /* pcm hwinfo */
 128         int active;
 129         int rate_index;
 130         int format;                     /* current format */
 131
 132         spinlock_t reg_lock;
 133         volatile struct awacs_regs __iomem *awacs;
 134         int awacs_reg[8]; /* register cache */
 135         unsigned int hp_stat_mask;
 136
 137         unsigned char __iomem *latch_base;
 138         unsigned char __iomem *macio_base;
 139
 140         pmac_stream_t playback;
 141         pmac_stream_t capture;
 142
 143         pmac_dbdma_t extra_dma;
 144
 145         int irq, tx_irq, rx_irq;
 146
 147         snd_pcm_t *pcm;
 148
 149         pmac_beep_t *beep;
 150
 151         unsigned int control_mask;      /* control mask */
 152
 153         /* mixer stuffs */
 154         void *mixer_data;
 155         void (*mixer_free)(pmac_t *);
 156         snd_kcontrol_t *master_sw_ctl;
 157         snd_kcontrol_t *speaker_sw_ctl;
 158         snd_kcontrol_t *drc_sw_ctl;     /* only used for tumbler -ReneR */
 159         snd_kcontrol_t *hp_detect_ctl;
 160
 161         /* lowlevel callbacks */
 162         void (*set_format)(pmac_t *chip);
 163         void (*update_automute)(pmac_t *chip, int do_notify);
 164         int (*detect_headphone)(pmac_t *chip);
 165 #ifdef CONFIG_PMAC_PBOOK
 166         void (*suspend)(pmac_t *chip);
 167         void (*resume)(pmac_t *chip);
 168 #endif
 169
 170 };
 171
 172
 173 /* exported functions */
 174 int snd_pmac_new(snd_card_t *card, pmac_t **chip_return);
 175 int snd_pmac_pcm_new(pmac_t *chip);
 176 int snd_pmac_attach_beep(pmac_t *chip);
 177 void snd_pmac_detach_beep(pmac_t *chip);
 178 void snd_pmac_beep_stop(pmac_t *chip);
 179 unsigned int snd_pmac_rate_index(pmac_t *chip, pmac_stream_t *rec, unsigned int rate);
 180
 181 void snd_pmac_beep_dma_start(pmac_t *chip, int bytes, unsigned long addr, int speed);
 182 void snd_pmac_beep_dma_stop(pmac_t *chip);
 183
 184 /* initialize mixer */
 185 int snd_pmac_awacs_init(pmac_t *chip);
 186 int snd_pmac_burgundy_init(pmac_t *chip);
 187 int snd_pmac_daca_init(pmac_t *chip);
 188 int snd_pmac_tumbler_init(pmac_t *chip);
 189 int snd_pmac_tumbler_post_init(void);
 190
 191 /* i2c functions */
 192 typedef struct snd_pmac_keywest {
 193         int addr;
 194         struct i2c_client *client;
 195         int id;
 196         int (*init_client)(struct snd_pmac_keywest *i2c);
 197         char *name;
 198 } pmac_keywest_t;
 199
 200 int snd_pmac_keywest_init(pmac_keywest_t *i2c);
 201 void snd_pmac_keywest_cleanup(pmac_keywest_t *i2c);
 202
 203 /* misc */
 204 int snd_pmac_boolean_stereo_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo);
 205 int snd_pmac_boolean_mono_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo);
 206
 207 int snd_pmac_add_automute(pmac_t *chip);
 208
 209 #define big_mdelay(msec) do {\
 210         set_current_state(TASK_UNINTERRUPTIBLE);\
 211         schedule_timeout(((msec) * HZ + 999) / 1000);\
 212 } while (0)
 213
 214 #endif /* __PMAC_H */