sound/ppc/pmac.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /*
   3  * Driver for PowerMac onboard soundchips
   4  * Copyright (c) 2001 by Takashi Iwai <tiwai@suse.de>
   5  *   based on dmasound.c.
   6  */
   7
   8
   9 #ifndef __PMAC_H
  10 #define __PMAC_H
  11
  12 #include <sound/control.h>
  13 #include <sound/pcm.h>
  14 #include "awacs.h"
  15
  16 #include <linux/adb.h>
  17 #ifdef CONFIG_ADB_CUDA
  18 #include <linux/cuda.h>
  19 #endif
  20 #ifdef CONFIG_ADB_PMU
  21 #include <linux/pmu.h>
  22 #endif
  23 #include <linux/nvram.h>
  24 #include <linux/tty.h>
  25 #include <linux/vt_kern.h>
  26 #include <asm/dbdma.h>
  27 #include <asm/prom.h>
  28 #include <asm/machdep.h>
  29 #include <asm/pmac_feature.h>
  30
  31 /* maximum number of fragments */
  32 #define PMAC_MAX_FRAGS          32
  33
  34
  35 #define PMAC_SUPPORT_AUTOMUTE
  36
  37 /*
  38  * DBDMA space
  39  */
  40 struct pmac_dbdma {
  41         dma_addr_t dma_base;
  42         dma_addr_t addr;
  43         struct dbdma_cmd __iomem *cmds;
  44         void *space;
  45         int size;
  46 };
  47
  48 /*
  49  * playback/capture stream
  50  */
  51 struct pmac_stream {
  52         int running;    /* boolean */
  53
  54         int stream;     /* PLAYBACK/CAPTURE */
  55
  56         int dma_size; /* in bytes */
  57         int period_size; /* in bytes */
  58         int buffer_size; /* in kbytes */
  59         int nperiods, cur_period;
  60
  61         struct pmac_dbdma cmd;
  62         volatile struct dbdma_regs __iomem *dma;
  63
  64         struct snd_pcm_substream *substream;
  65
  66         unsigned int cur_freqs;         /* currently available frequencies */
  67         unsigned int cur_formats;       /* currently available formats */
  68 };
  69
  70
  71 /*
  72  */
  73
  74 enum snd_pmac_model {
  75         PMAC_AWACS, PMAC_SCREAMER, PMAC_BURGUNDY, PMAC_DACA, PMAC_TUMBLER,
  76         PMAC_SNAPPER
  77 };
  78
  79 struct snd_pmac {
  80         struct snd_card *card;
  81
  82         /* h/w info */
  83         struct device_node *node;
  84         struct pci_dev *pdev;
  85         unsigned int revision;
  86         unsigned int manufacturer;
  87         unsigned int subframe;
  88         unsigned int device_id;
  89         enum snd_pmac_model model;
  90
  91         unsigned int has_iic : 1;
  92         unsigned int is_pbook_3400 : 1;
  93         unsigned int is_pbook_G3 : 1;
  94         unsigned int is_k2 : 1;
  95
  96         unsigned int can_byte_swap : 1;
  97         unsigned int can_duplex : 1;
  98         unsigned int can_capture : 1;
  99
 100         unsigned int auto_mute : 1;
 101         unsigned int initialized : 1;
 102         unsigned int feature_is_set : 1;
 103
 104         unsigned int requested;
 105         struct resource rsrc[3];
 106
 107         int num_freqs;
 108         const int *freq_table;
 109         unsigned int freqs_ok;          /* bit flags */
 110         unsigned int formats_ok;        /* pcm hwinfo */
 111         int active;
 112         int rate_index;
 113         int format;                     /* current format */
 114
 115         spinlock_t reg_lock;
 116         volatile struct awacs_regs __iomem *awacs;
 117         int awacs_reg[8]; /* register cache */
 118         unsigned int hp_stat_mask;
 119
 120         unsigned char __iomem *latch_base;
 121         unsigned char __iomem *macio_base;
 122
 123         struct pmac_stream playback;
 124         struct pmac_stream capture;
 125
 126         struct pmac_dbdma extra_dma;
 127
 128         int irq, tx_irq, rx_irq;
 129
 130         struct snd_pcm *pcm;
 131
 132         struct pmac_beep *beep;
 133
 134         unsigned int control_mask;      /* control mask */
 135
 136         /* mixer stuffs */
 137         void *mixer_data;
 138         void (*mixer_free)(struct snd_pmac *);
 139         struct snd_kcontrol *master_sw_ctl;
 140         struct snd_kcontrol *speaker_sw_ctl;
 141         struct snd_kcontrol *drc_sw_ctl;        /* only used for tumbler -ReneR */
 142         struct snd_kcontrol *hp_detect_ctl;
 143         struct snd_kcontrol *lineout_sw_ctl;
 144
 145         /* lowlevel callbacks */
 146         void (*set_format)(struct snd_pmac *chip);
 147         void (*update_automute)(struct snd_pmac *chip, int do_notify);
 148         int (*detect_headphone)(struct snd_pmac *chip);
 149 #ifdef CONFIG_PM
 150         void (*suspend)(struct snd_pmac *chip);
 151         void (*resume)(struct snd_pmac *chip);
 152 #endif
 153
 154 };
 155
 156
 157 /* exported functions */
 158 int snd_pmac_new(struct snd_card *card, struct snd_pmac **chip_return);
 159 int snd_pmac_pcm_new(struct snd_pmac *chip);
 160 int snd_pmac_attach_beep(struct snd_pmac *chip);
 161 void snd_pmac_detach_beep(struct snd_pmac *chip);
 162 void snd_pmac_beep_stop(struct snd_pmac *chip);
 163 unsigned int snd_pmac_rate_index(struct snd_pmac *chip, struct pmac_stream *rec, unsigned int rate);
 164
 165 void snd_pmac_beep_dma_start(struct snd_pmac *chip, int bytes, unsigned long addr, int speed);
 166 void snd_pmac_beep_dma_stop(struct snd_pmac *chip);
 167
 168 #ifdef CONFIG_PM
 169 void snd_pmac_suspend(struct snd_pmac *chip);
 170 void snd_pmac_resume(struct snd_pmac *chip);
 171 #endif
 172
 173 /* initialize mixer */
 174 int snd_pmac_awacs_init(struct snd_pmac *chip);
 175 int snd_pmac_burgundy_init(struct snd_pmac *chip);
 176 int snd_pmac_daca_init(struct snd_pmac *chip);
 177 int snd_pmac_tumbler_init(struct snd_pmac *chip);
 178 int snd_pmac_tumbler_post_init(void);
 179
 180 /* i2c functions */
 181 struct pmac_keywest {
 182         int addr;
 183         struct i2c_client *client;
 184         int id;
 185         int (*init_client)(struct pmac_keywest *i2c);
 186         char *name;
 187 };
 188
 189 int snd_pmac_keywest_init(struct pmac_keywest *i2c);
 190 void snd_pmac_keywest_cleanup(struct pmac_keywest *i2c);
 191
 192 /* misc */
 193 #define snd_pmac_boolean_stereo_info    snd_ctl_boolean_stereo_info
 194 #define snd_pmac_boolean_mono_info      snd_ctl_boolean_mono_info
 195
 196 int snd_pmac_add_automute(struct snd_pmac *chip);
 197
 198 #endif /* __PMAC_H */