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7c2d4c0c TS |
1 | /* |
2 | * dice.h - a part of driver for Dice based devices | |
3 | * | |
4 | * Copyright (c) Clemens Ladisch | |
5 | * Copyright (c) 2014 Takashi Sakamoto | |
6 | * | |
7 | * Licensed under the terms of the GNU General Public License, version 2. | |
8 | */ | |
9 | ||
10 | #ifndef SOUND_DICE_H_INCLUDED | |
11 | #define SOUND_DICE_H_INCLUDED | |
12 | ||
13 | #include <linux/compat.h> | |
14 | #include <linux/completion.h> | |
15 | #include <linux/delay.h> | |
16 | #include <linux/device.h> | |
17 | #include <linux/firewire.h> | |
18 | #include <linux/firewire-constants.h> | |
19 | #include <linux/jiffies.h> | |
20 | #include <linux/module.h> | |
21 | #include <linux/mod_devicetable.h> | |
22 | #include <linux/mutex.h> | |
23 | #include <linux/slab.h> | |
24 | #include <linux/spinlock.h> | |
25 | #include <linux/wait.h> | |
26 | ||
27 | #include <sound/control.h> | |
28 | #include <sound/core.h> | |
29 | #include <sound/firewire.h> | |
30 | #include <sound/hwdep.h> | |
31 | #include <sound/info.h> | |
32 | #include <sound/initval.h> | |
33 | #include <sound/pcm.h> | |
34 | #include <sound/pcm_params.h> | |
a113ff88 | 35 | #include <sound/rawmidi.h> |
7c2d4c0c | 36 | |
5955815e | 37 | #include "../amdtp-am824.h" |
7c2d4c0c TS |
38 | #include "../iso-resources.h" |
39 | #include "../lib.h" | |
40 | #include "dice-interface.h" | |
41 | ||
42 | struct snd_dice { | |
43 | struct snd_card *card; | |
44 | struct fw_unit *unit; | |
45 | spinlock_t lock; | |
46 | struct mutex mutex; | |
47 | ||
b59fb190 TS |
48 | bool registered; |
49 | struct delayed_work dwork; | |
50 | ||
7c2d4c0c TS |
51 | /* Offsets for sub-addresses */ |
52 | unsigned int global_offset; | |
53 | unsigned int rx_offset; | |
54 | unsigned int tx_offset; | |
55 | unsigned int sync_offset; | |
56 | unsigned int rsrv_offset; | |
57 | ||
58 | unsigned int clock_caps; | |
9a02843c | 59 | unsigned int tx_channels[3]; |
7c2d4c0c | 60 | unsigned int rx_channels[3]; |
9a02843c | 61 | unsigned int tx_midi_ports[3]; |
7c2d4c0c | 62 | unsigned int rx_midi_ports[3]; |
9a02843c | 63 | |
7c2d4c0c TS |
64 | struct fw_address_handler notification_handler; |
65 | int owner_generation; | |
9a02843c TS |
66 | u32 notification_bits; |
67 | ||
68 | /* For uapi */ | |
7c2d4c0c TS |
69 | int dev_lock_count; /* > 0 driver, < 0 userspace */ |
70 | bool dev_lock_changed; | |
7c2d4c0c | 71 | wait_queue_head_t hwdep_wait; |
9a02843c TS |
72 | |
73 | /* For streaming */ | |
74 | struct fw_iso_resources tx_resources; | |
7c2d4c0c | 75 | struct fw_iso_resources rx_resources; |
9a02843c | 76 | struct amdtp_stream tx_stream; |
7c2d4c0c | 77 | struct amdtp_stream rx_stream; |
9a02843c TS |
78 | bool global_enabled; |
79 | struct completion clock_accepted; | |
80 | unsigned int substreams_counter; | |
7c2d4c0c TS |
81 | }; |
82 | ||
83 | enum snd_dice_addr_type { | |
84 | SND_DICE_ADDR_TYPE_PRIVATE, | |
85 | SND_DICE_ADDR_TYPE_GLOBAL, | |
86 | SND_DICE_ADDR_TYPE_TX, | |
87 | SND_DICE_ADDR_TYPE_RX, | |
88 | SND_DICE_ADDR_TYPE_SYNC, | |
89 | SND_DICE_ADDR_TYPE_RSRV, | |
90 | }; | |
91 | ||
92 | int snd_dice_transaction_write(struct snd_dice *dice, | |
93 | enum snd_dice_addr_type type, | |
94 | unsigned int offset, | |
95 | void *buf, unsigned int len); | |
96 | int snd_dice_transaction_read(struct snd_dice *dice, | |
97 | enum snd_dice_addr_type type, unsigned int offset, | |
98 | void *buf, unsigned int len); | |
99 | ||
100 | static inline int snd_dice_transaction_write_global(struct snd_dice *dice, | |
101 | unsigned int offset, | |
102 | void *buf, unsigned int len) | |
103 | { | |
104 | return snd_dice_transaction_write(dice, | |
105 | SND_DICE_ADDR_TYPE_GLOBAL, offset, | |
106 | buf, len); | |
107 | } | |
108 | static inline int snd_dice_transaction_read_global(struct snd_dice *dice, | |
109 | unsigned int offset, | |
110 | void *buf, unsigned int len) | |
111 | { | |
112 | return snd_dice_transaction_read(dice, | |
113 | SND_DICE_ADDR_TYPE_GLOBAL, offset, | |
114 | buf, len); | |
115 | } | |
116 | static inline int snd_dice_transaction_write_tx(struct snd_dice *dice, | |
117 | unsigned int offset, | |
118 | void *buf, unsigned int len) | |
119 | { | |
120 | return snd_dice_transaction_write(dice, SND_DICE_ADDR_TYPE_TX, offset, | |
121 | buf, len); | |
122 | } | |
123 | static inline int snd_dice_transaction_read_tx(struct snd_dice *dice, | |
124 | unsigned int offset, | |
125 | void *buf, unsigned int len) | |
126 | { | |
127 | return snd_dice_transaction_read(dice, SND_DICE_ADDR_TYPE_TX, offset, | |
128 | buf, len); | |
129 | } | |
130 | static inline int snd_dice_transaction_write_rx(struct snd_dice *dice, | |
131 | unsigned int offset, | |
132 | void *buf, unsigned int len) | |
133 | { | |
134 | return snd_dice_transaction_write(dice, SND_DICE_ADDR_TYPE_RX, offset, | |
135 | buf, len); | |
136 | } | |
137 | static inline int snd_dice_transaction_read_rx(struct snd_dice *dice, | |
138 | unsigned int offset, | |
139 | void *buf, unsigned int len) | |
140 | { | |
141 | return snd_dice_transaction_read(dice, SND_DICE_ADDR_TYPE_RX, offset, | |
142 | buf, len); | |
143 | } | |
144 | static inline int snd_dice_transaction_write_sync(struct snd_dice *dice, | |
145 | unsigned int offset, | |
146 | void *buf, unsigned int len) | |
147 | { | |
148 | return snd_dice_transaction_write(dice, SND_DICE_ADDR_TYPE_SYNC, offset, | |
149 | buf, len); | |
150 | } | |
151 | static inline int snd_dice_transaction_read_sync(struct snd_dice *dice, | |
152 | unsigned int offset, | |
153 | void *buf, unsigned int len) | |
154 | { | |
155 | return snd_dice_transaction_read(dice, SND_DICE_ADDR_TYPE_SYNC, offset, | |
156 | buf, len); | |
157 | } | |
158 | ||
7c2d4c0c TS |
159 | int snd_dice_transaction_get_clock_source(struct snd_dice *dice, |
160 | unsigned int *source); | |
161 | int snd_dice_transaction_set_rate(struct snd_dice *dice, unsigned int rate); | |
162 | int snd_dice_transaction_get_rate(struct snd_dice *dice, unsigned int *rate); | |
163 | int snd_dice_transaction_set_enable(struct snd_dice *dice); | |
164 | void snd_dice_transaction_clear_enable(struct snd_dice *dice); | |
165 | int snd_dice_transaction_init(struct snd_dice *dice); | |
166 | int snd_dice_transaction_reinit(struct snd_dice *dice); | |
167 | void snd_dice_transaction_destroy(struct snd_dice *dice); | |
168 | ||
169 | #define SND_DICE_RATES_COUNT 7 | |
170 | extern const unsigned int snd_dice_rates[SND_DICE_RATES_COUNT]; | |
171 | ||
6eb6c81e TS |
172 | int snd_dice_stream_get_rate_mode(struct snd_dice *dice, |
173 | unsigned int rate, unsigned int *mode); | |
174 | ||
9a02843c TS |
175 | int snd_dice_stream_start_duplex(struct snd_dice *dice, unsigned int rate); |
176 | void snd_dice_stream_stop_duplex(struct snd_dice *dice); | |
177 | int snd_dice_stream_init_duplex(struct snd_dice *dice); | |
178 | void snd_dice_stream_destroy_duplex(struct snd_dice *dice); | |
179 | void snd_dice_stream_update_duplex(struct snd_dice *dice); | |
6eb6c81e TS |
180 | |
181 | int snd_dice_stream_lock_try(struct snd_dice *dice); | |
182 | void snd_dice_stream_lock_release(struct snd_dice *dice); | |
183 | ||
c50fb91f TS |
184 | int snd_dice_create_pcm(struct snd_dice *dice); |
185 | ||
19af57b4 TS |
186 | int snd_dice_create_hwdep(struct snd_dice *dice); |
187 | ||
04d426a0 TS |
188 | void snd_dice_create_proc(struct snd_dice *dice); |
189 | ||
a113ff88 TS |
190 | int snd_dice_create_midi(struct snd_dice *dice); |
191 | ||
7c2d4c0c | 192 | #endif |