1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
2 | /* |
3 | * digi00x.h - a part of driver for Digidesign Digi 002/003 family |
4 | * |
5 | * Copyright (c) 2014-2015 Takashi Sakamoto |
6 | */ |
7 | |
8 | #ifndef SOUND_DIGI00X_H_INCLUDED |
9 | #define SOUND_DIGI00X_H_INCLUDED |
10 | |
11 | #include <linux/compat.h> |
12 | #include <linux/device.h> |
13 | #include <linux/firewire.h> |
14 | #include <linux/module.h> |
15 | #include <linux/mod_devicetable.h> |
16 | #include <linux/delay.h> |
17 | #include <linux/slab.h> |
18 | #include <linux/sched/signal.h> |
19 | |
20 | #include <sound/core.h> |
21 | #include <sound/initval.h> |
22 | #include <sound/info.h> |
23 | #include <sound/pcm.h> |
24 | #include <sound/pcm_params.h> |
25 | #include <sound/firewire.h> |
26 | #include <sound/hwdep.h> |
27 | #include <sound/rawmidi.h> |
28 | |
29 | #include "../lib.h" |
30 | #include "../iso-resources.h" |
31 | #include "../amdtp-stream.h" |
32 | |
33 | struct snd_dg00x { |
34 | struct snd_card *card; |
35 | struct fw_unit *unit; |
36 | |
37 | struct mutex mutex; |
38 | spinlock_t lock; |
39 | |
40 | struct amdtp_stream tx_stream; |
41 | struct fw_iso_resources tx_resources; |
42 | |
43 | struct amdtp_stream rx_stream; |
44 | struct fw_iso_resources rx_resources; |
45 | |
46 | unsigned int substreams_counter; |
47 | |
48 | /* for uapi */ |
49 | int dev_lock_count; |
50 | bool dev_lock_changed; |
51 | wait_queue_head_t hwdep_wait; |
52 | |
53 | /* For asynchronous messages. */ |
54 | struct fw_address_handler async_handler; |
55 | u32 msg; |
56 | |
57 | /* Console models have additional MIDI ports for control surface. */ |
58 | bool is_console; |
59 | |
60 | struct amdtp_domain domain; |
61 | }; |
62 | |
63 | #define DG00X_ADDR_BASE 0xffffe0000000ull |
64 | |
65 | #define DG00X_OFFSET_STREAMING_STATE 0x0000 |
66 | #define DG00X_OFFSET_STREAMING_SET 0x0004 |
67 | /* unknown but address in host space 0x0008 */ |
68 | /* For LSB of the address 0x000c */ |
69 | /* unknown 0x0010 */ |
70 | #define DG00X_OFFSET_MESSAGE_ADDR 0x0014 |
71 | /* For LSB of the address 0x0018 */ |
72 | /* unknown 0x001c */ |
73 | /* unknown 0x0020 */ |
74 | /* not used 0x0024--0x00ff */ |
75 | #define DG00X_OFFSET_ISOC_CHANNELS 0x0100 |
76 | /* unknown 0x0104 */ |
77 | /* unknown 0x0108 */ |
78 | /* unknown 0x010c */ |
79 | #define DG00X_OFFSET_LOCAL_RATE 0x0110 |
80 | #define DG00X_OFFSET_EXTERNAL_RATE 0x0114 |
81 | #define DG00X_OFFSET_CLOCK_SOURCE 0x0118 |
82 | #define DG00X_OFFSET_OPT_IFACE_MODE 0x011c |
83 | /* unknown 0x0120 */ |
84 | /* Mixer control on/off 0x0124 */ |
85 | /* unknown 0x0128 */ |
86 | #define DG00X_OFFSET_DETECT_EXTERNAL 0x012c |
87 | /* unknown 0x0138 */ |
88 | #define DG00X_OFFSET_MMC 0x0400 |
89 | |
90 | enum snd_dg00x_rate { |
91 | SND_DG00X_RATE_44100 = 0, |
92 | SND_DG00X_RATE_48000, |
93 | SND_DG00X_RATE_88200, |
94 | SND_DG00X_RATE_96000, |
95 | SND_DG00X_RATE_COUNT, |
96 | }; |
97 | |
98 | enum snd_dg00x_clock { |
99 | SND_DG00X_CLOCK_INTERNAL = 0, |
100 | SND_DG00X_CLOCK_SPDIF, |
101 | SND_DG00X_CLOCK_ADAT, |
102 | SND_DG00X_CLOCK_WORD, |
103 | SND_DG00X_CLOCK_COUNT, |
104 | }; |
105 | |
106 | enum snd_dg00x_optical_mode { |
107 | SND_DG00X_OPT_IFACE_MODE_ADAT = 0, |
108 | SND_DG00X_OPT_IFACE_MODE_SPDIF, |
109 | SND_DG00X_OPT_IFACE_MODE_COUNT, |
110 | }; |
111 | |
112 | #define DOT_MIDI_IN_PORTS 1 |
113 | #define DOT_MIDI_OUT_PORTS 2 |
114 | |
115 | int amdtp_dot_init(struct amdtp_stream *s, struct fw_unit *unit, |
116 | enum amdtp_stream_direction dir); |
117 | int amdtp_dot_set_parameters(struct amdtp_stream *s, unsigned int rate, |
118 | unsigned int pcm_channels); |
119 | void amdtp_dot_reset(struct amdtp_stream *s); |
120 | int amdtp_dot_add_pcm_hw_constraints(struct amdtp_stream *s, |
121 | struct snd_pcm_runtime *runtime); |
122 | void amdtp_dot_midi_trigger(struct amdtp_stream *s, unsigned int port, |
123 | struct snd_rawmidi_substream *midi); |
124 | |
125 | int snd_dg00x_transaction_register(struct snd_dg00x *dg00x); |
126 | int snd_dg00x_transaction_reregister(struct snd_dg00x *dg00x); |
127 | void snd_dg00x_transaction_unregister(struct snd_dg00x *dg00x); |
128 | |
129 | extern const unsigned int snd_dg00x_stream_rates[SND_DG00X_RATE_COUNT]; |
130 | extern const unsigned int snd_dg00x_stream_pcm_channels[SND_DG00X_RATE_COUNT]; |
131 | int snd_dg00x_stream_get_external_rate(struct snd_dg00x *dg00x, |
132 | unsigned int *rate); |
133 | int snd_dg00x_stream_get_local_rate(struct snd_dg00x *dg00x, |
134 | unsigned int *rate); |
135 | int snd_dg00x_stream_set_local_rate(struct snd_dg00x *dg00x, unsigned int rate); |
136 | int snd_dg00x_stream_get_clock(struct snd_dg00x *dg00x, |
137 | enum snd_dg00x_clock *clock); |
138 | int snd_dg00x_stream_check_external_clock(struct snd_dg00x *dg00x, |
139 | bool *detect); |
140 | int snd_dg00x_stream_init_duplex(struct snd_dg00x *dg00x); |
141 | int snd_dg00x_stream_reserve_duplex(struct snd_dg00x *dg00x, unsigned int rate, |
142 | unsigned int frames_per_period, |
143 | unsigned int frames_per_buffer); |
144 | int snd_dg00x_stream_start_duplex(struct snd_dg00x *dg00x); |
145 | void snd_dg00x_stream_stop_duplex(struct snd_dg00x *dg00x); |
146 | void snd_dg00x_stream_update_duplex(struct snd_dg00x *dg00x); |
147 | void snd_dg00x_stream_destroy_duplex(struct snd_dg00x *dg00x); |
148 | |
149 | void snd_dg00x_stream_lock_changed(struct snd_dg00x *dg00x); |
150 | int snd_dg00x_stream_lock_try(struct snd_dg00x *dg00x); |
151 | void snd_dg00x_stream_lock_release(struct snd_dg00x *dg00x); |
152 | |
153 | void snd_dg00x_proc_init(struct snd_dg00x *dg00x); |
154 | |
155 | int snd_dg00x_create_pcm_devices(struct snd_dg00x *dg00x); |
156 | |
157 | int snd_dg00x_create_midi_devices(struct snd_dg00x *dg00x); |
158 | |
159 | int snd_dg00x_create_hwdep_device(struct snd_dg00x *dg00x); |
160 | #endif |
161 | |