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