LXR linux/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 */
  39struct 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 */
  50struct 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
  73enum snd_pmac_model {
  74        PMAC_AWACS, PMAC_SCREAMER, PMAC_BURGUNDY, PMAC_DACA, PMAC_TUMBLER,
  75        PMAC_SNAPPER
  76};
  77
  78struct 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 */
 157int snd_pmac_new(struct snd_card *card, struct snd_pmac **chip_return);
 158int snd_pmac_pcm_new(struct snd_pmac *chip);
 159int snd_pmac_attach_beep(struct snd_pmac *chip);
 160void snd_pmac_detach_beep(struct snd_pmac *chip);
 161void snd_pmac_beep_stop(struct snd_pmac *chip);
 162unsigned int snd_pmac_rate_index(struct snd_pmac *chip, struct pmac_stream *rec, unsigned int rate);
 163
 164void snd_pmac_beep_dma_start(struct snd_pmac *chip, int bytes, unsigned long addr, int speed);
 165void snd_pmac_beep_dma_stop(struct snd_pmac *chip);
 166
 167#ifdef CONFIG_PM
 168void snd_pmac_suspend(struct snd_pmac *chip);
 169void snd_pmac_resume(struct snd_pmac *chip);
 170#endif
 171
 172/* initialize mixer */
 173int snd_pmac_awacs_init(struct snd_pmac *chip);
 174int snd_pmac_burgundy_init(struct snd_pmac *chip);
 175int snd_pmac_daca_init(struct snd_pmac *chip);
 176int snd_pmac_tumbler_init(struct snd_pmac *chip);
 177int snd_pmac_tumbler_post_init(void);
 178
 179/* i2c functions */
 180struct 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
 188int snd_pmac_keywest_init(struct pmac_keywest *i2c);
 189void 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
 195int snd_pmac_add_automute(struct snd_pmac *chip);
 196
 197#endif /* __PMAC_H */
 198