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