sound/ppc/pmac.h

0001 /* SPDX-License-Identifier: GPL-2.0-or-later */
0002 /*
0003  * Driver for PowerMac onboard soundchips
0004  * Copyright (c) 2001 by Takashi Iwai <tiwai@suse.de>
0005  *   based on dmasound.c.
0006  */
0007
0008
0009 #ifndef __PMAC_H
0010 #define __PMAC_H
0011
0012 #include <sound/control.h>
0013 #include <sound/pcm.h>
0014 #include "awacs.h"
0015
0016 #include <linux/adb.h>
0017 #ifdef CONFIG_ADB_CUDA
0018 #include <linux/cuda.h>
0019 #endif
0020 #ifdef CONFIG_ADB_PMU
0021 #include <linux/pmu.h>
0022 #endif
0023 #include <linux/nvram.h>
0024 #include <linux/tty.h>
0025 #include <linux/vt_kern.h>
0026 #include <asm/dbdma.h>
0027 #include <asm/prom.h>
0028 #include <asm/machdep.h>
0029 #include <asm/pmac_feature.h>
0030
0031 /* maximum number of fragments */
0032 #define PMAC_MAX_FRAGS      32
0033
0034
0035 #define PMAC_SUPPORT_AUTOMUTE
0036
0037 /*
0038  * DBDMA space
0039  */
0040 struct pmac_dbdma {
0041     dma_addr_t dma_base;
0042     dma_addr_t addr;
0043     struct dbdma_cmd __iomem *cmds;
0044     void *space;
0045     int size;
0046 };
0047
0048 /*
0049  * playback/capture stream
0050  */
0051 struct pmac_stream {
0052     int running;    /* boolean */
0053
0054     int stream; /* PLAYBACK/CAPTURE */
0055
0056     int dma_size; /* in bytes */
0057     int period_size; /* in bytes */
0058     int buffer_size; /* in kbytes */
0059     int nperiods, cur_period;
0060
0061     struct pmac_dbdma cmd;
0062     volatile struct dbdma_regs __iomem *dma;
0063
0064     struct snd_pcm_substream *substream;
0065
0066     unsigned int cur_freqs;     /* currently available frequencies */
0067     unsigned int cur_formats;   /* currently available formats */
0068 };
0069
0070
0071 /*
0072  */
0073
0074 enum snd_pmac_model {
0075     PMAC_AWACS, PMAC_SCREAMER, PMAC_BURGUNDY, PMAC_DACA, PMAC_TUMBLER,
0076     PMAC_SNAPPER
0077 };
0078
0079 struct snd_pmac {
0080     struct snd_card *card;
0081
0082     /* h/w info */
0083     struct device_node *node;
0084     struct pci_dev *pdev;
0085     unsigned int revision;
0086     unsigned int manufacturer;
0087     unsigned int subframe;
0088     unsigned int device_id;
0089     enum snd_pmac_model model;
0090
0091     unsigned int has_iic : 1;
0092     unsigned int is_pbook_3400 : 1;
0093     unsigned int is_pbook_G3 : 1;
0094     unsigned int is_k2 : 1;
0095
0096     unsigned int can_byte_swap : 1;
0097     unsigned int can_duplex : 1;
0098     unsigned int can_capture : 1;
0099
0100     unsigned int auto_mute : 1;
0101     unsigned int initialized : 1;
0102     unsigned int feature_is_set : 1;
0103
0104     unsigned int requested;
0105     struct resource rsrc[3];
0106
0107     int num_freqs;
0108     const int *freq_table;
0109     unsigned int freqs_ok;      /* bit flags */
0110     unsigned int formats_ok;    /* pcm hwinfo */
0111     int active;
0112     int rate_index;
0113     int format;         /* current format */
0114
0115     spinlock_t reg_lock;
0116     volatile struct awacs_regs __iomem *awacs;
0117     int awacs_reg[8]; /* register cache */
0118     unsigned int hp_stat_mask;
0119
0120     unsigned char __iomem *latch_base;
0121     unsigned char __iomem *macio_base;
0122
0123     struct pmac_stream playback;
0124     struct pmac_stream capture;
0125
0126     struct pmac_dbdma extra_dma;
0127
0128     int irq, tx_irq, rx_irq;
0129
0130     struct snd_pcm *pcm;
0131
0132     struct pmac_beep *beep;
0133
0134     unsigned int control_mask;  /* control mask */
0135
0136     /* mixer stuffs */
0137     void *mixer_data;
0138     void (*mixer_free)(struct snd_pmac *);
0139     struct snd_kcontrol *master_sw_ctl;
0140     struct snd_kcontrol *speaker_sw_ctl;
0141     struct snd_kcontrol *drc_sw_ctl;    /* only used for tumbler -ReneR */
0142     struct snd_kcontrol *hp_detect_ctl;
0143     struct snd_kcontrol *lineout_sw_ctl;
0144
0145     /* lowlevel callbacks */
0146     void (*set_format)(struct snd_pmac *chip);
0147     void (*update_automute)(struct snd_pmac *chip, int do_notify);
0148     int (*detect_headphone)(struct snd_pmac *chip);
0149 #ifdef CONFIG_PM
0150     void (*suspend)(struct snd_pmac *chip);
0151     void (*resume)(struct snd_pmac *chip);
0152 #endif
0153
0154 };
0155
0156
0157 /* exported functions */
0158 int snd_pmac_new(struct snd_card *card, struct snd_pmac **chip_return);
0159 int snd_pmac_pcm_new(struct snd_pmac *chip);
0160 int snd_pmac_attach_beep(struct snd_pmac *chip);
0161 void snd_pmac_detach_beep(struct snd_pmac *chip);
0162 void snd_pmac_beep_stop(struct snd_pmac *chip);
0163 unsigned int snd_pmac_rate_index(struct snd_pmac *chip, struct pmac_stream *rec, unsigned int rate);
0164
0165 void snd_pmac_beep_dma_start(struct snd_pmac *chip, int bytes, unsigned long addr, int speed);
0166 void snd_pmac_beep_dma_stop(struct snd_pmac *chip);
0167
0168 #ifdef CONFIG_PM
0169 void snd_pmac_suspend(struct snd_pmac *chip);
0170 void snd_pmac_resume(struct snd_pmac *chip);
0171 #endif
0172
0173 /* initialize mixer */
0174 int snd_pmac_awacs_init(struct snd_pmac *chip);
0175 int snd_pmac_burgundy_init(struct snd_pmac *chip);
0176 int snd_pmac_daca_init(struct snd_pmac *chip);
0177 int snd_pmac_tumbler_init(struct snd_pmac *chip);
0178 int snd_pmac_tumbler_post_init(void);
0179
0180 /* i2c functions */
0181 struct pmac_keywest {
0182     int addr;
0183     struct i2c_client *client;
0184     int id;
0185     int (*init_client)(struct pmac_keywest *i2c);
0186     char *name;
0187 };
0188
0189 int snd_pmac_keywest_init(struct pmac_keywest *i2c);
0190 void snd_pmac_keywest_cleanup(struct pmac_keywest *i2c);
0191
0192 /* misc */
0193 #define snd_pmac_boolean_stereo_info    snd_ctl_boolean_stereo_info
0194 #define snd_pmac_boolean_mono_info  snd_ctl_boolean_mono_info
0195
0196 int snd_pmac_add_automute(struct snd_pmac *chip);
0197
0198 #endif /* __PMAC_H */