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#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 */
  40struct 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 */
  51struct 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
  74enum snd_pmac_model {
  75        PMAC_AWACS, PMAC_SCREAMER, PMAC_BURGUNDY, PMAC_DACA, PMAC_TUMBLER,
  76        PMAC_SNAPPER
  77};
  78
  79struct 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 */
 158int snd_pmac_new(struct snd_card *card, struct snd_pmac **chip_return);
 159int snd_pmac_pcm_new(struct snd_pmac *chip);
 160int snd_pmac_attach_beep(struct snd_pmac *chip);
 161void snd_pmac_detach_beep(struct snd_pmac *chip);
 162void snd_pmac_beep_stop(struct snd_pmac *chip);
 163unsigned int snd_pmac_rate_index(struct snd_pmac *chip, struct pmac_stream *rec, unsigned int rate);
 164
 165void snd_pmac_beep_dma_start(struct snd_pmac *chip, int bytes, unsigned long addr, int speed);
 166void snd_pmac_beep_dma_stop(struct snd_pmac *chip);
 167
 168#ifdef CONFIG_PM
 169void snd_pmac_suspend(struct snd_pmac *chip);
 170void snd_pmac_resume(struct snd_pmac *chip);
 171#endif
 172
 173/* initialize mixer */
 174int snd_pmac_awacs_init(struct snd_pmac *chip);
 175int snd_pmac_burgundy_init(struct snd_pmac *chip);
 176int snd_pmac_daca_init(struct snd_pmac *chip);
 177int snd_pmac_tumbler_init(struct snd_pmac *chip);
 178int snd_pmac_tumbler_post_init(void);
 179
 180/* i2c functions */
 181struct 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
 189int snd_pmac_keywest_init(struct pmac_keywest *i2c);
 190void 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
 196int snd_pmac_add_automute(struct snd_pmac *chip);
 197
 198#endif /* __PMAC_H */
 199