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 ; |
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 | |