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