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