199 lines · c
1/* SPDX-License-Identifier: GPL-2.0-or-later */2/*3 * Driver for PowerMac onboard soundchips4 * Copyright (c) 2001 by Takashi Iwai <tiwai@suse.de>5 * based on dmasound.c.6 */7 8 9#ifndef __PMAC_H10#define __PMAC_H11 12#include <sound/control.h>13#include <sound/pcm.h>14#include "awacs.h"15 16#include <linux/adb.h>17#ifdef CONFIG_ADB_CUDA18#include <linux/cuda.h>19#endif20#ifdef CONFIG_ADB_PMU21#include <linux/pmu.h>22#endif23#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 3233 34 35#define PMAC_SUPPORT_AUTOMUTE36 37/*38 * DBDMA space39 */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 stream50 */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_SNAPPER77};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_PM150 void (*suspend)(struct snd_pmac *chip);151 void (*resume)(struct snd_pmac *chip);152#endif153 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_PM169void snd_pmac_suspend(struct snd_pmac *chip);170void snd_pmac_resume(struct snd_pmac *chip);171#endif172 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_info194#define snd_pmac_boolean_mono_info snd_ctl_boolean_mono_info195 196int snd_pmac_add_automute(struct snd_pmac *chip);197 198#endif /* __PMAC_H */199