2 * digi00x.h - a part of driver for Digidesign Digi 002/003 family
4 * Copyright (c) 2014-2015 Takashi Sakamoto
6 * Licensed under the terms of the GNU General Public License, version 2.
9 #ifndef SOUND_DIGI00X_H_INCLUDED
10 #define SOUND_DIGI00X_H_INCLUDED
12 #include <linux/compat.h>
13 #include <linux/device.h>
14 #include <linux/firewire.h>
15 #include <linux/module.h>
16 #include <linux/mod_devicetable.h>
17 #include <linux/delay.h>
18 #include <linux/slab.h>
19 #include <linux/sched/signal.h>
21 #include <sound/core.h>
22 #include <sound/initval.h>
23 #include <sound/info.h>
24 #include <sound/pcm.h>
25 #include <sound/pcm_params.h>
26 #include <sound/firewire.h>
27 #include <sound/hwdep.h>
28 #include <sound/rawmidi.h>
31 #include "../iso-resources.h"
32 #include "../amdtp-stream.h"
35 struct snd_card *card;
42 struct delayed_work dwork;
44 struct amdtp_stream tx_stream;
45 struct fw_iso_resources tx_resources;
47 struct amdtp_stream rx_stream;
48 struct fw_iso_resources rx_resources;
50 unsigned int substreams_counter;
54 bool dev_lock_changed;
55 wait_queue_head_t hwdep_wait;
57 /* For asynchronous messages. */
58 struct fw_address_handler async_handler;
61 /* For asynchronous MIDI controls. */
62 struct snd_rawmidi_substream *in_control;
63 struct snd_fw_async_midi_port out_control;
66 #define DG00X_ADDR_BASE 0xffffe0000000ull
68 #define DG00X_OFFSET_STREAMING_STATE 0x0000
69 #define DG00X_OFFSET_STREAMING_SET 0x0004
70 #define DG00X_OFFSET_MIDI_CTL_ADDR 0x0008
71 /* For LSB of the address 0x000c */
73 #define DG00X_OFFSET_MESSAGE_ADDR 0x0014
74 /* For LSB of the address 0x0018 */
77 /* not used 0x0024--0x00ff */
78 #define DG00X_OFFSET_ISOC_CHANNELS 0x0100
82 #define DG00X_OFFSET_LOCAL_RATE 0x0110
83 #define DG00X_OFFSET_EXTERNAL_RATE 0x0114
84 #define DG00X_OFFSET_CLOCK_SOURCE 0x0118
85 #define DG00X_OFFSET_OPT_IFACE_MODE 0x011c
87 /* Mixer control on/off 0x0124 */
89 #define DG00X_OFFSET_DETECT_EXTERNAL 0x012c
91 #define DG00X_OFFSET_MMC 0x0400
94 SND_DG00X_RATE_44100 = 0,
101 enum snd_dg00x_clock {
102 SND_DG00X_CLOCK_INTERNAL = 0,
103 SND_DG00X_CLOCK_SPDIF,
104 SND_DG00X_CLOCK_ADAT,
105 SND_DG00X_CLOCK_WORD,
106 SND_DG00X_CLOCK_COUNT,
109 enum snd_dg00x_optical_mode {
110 SND_DG00X_OPT_IFACE_MODE_ADAT = 0,
111 SND_DG00X_OPT_IFACE_MODE_SPDIF,
112 SND_DG00X_OPT_IFACE_MODE_COUNT,
115 #define DOT_MIDI_IN_PORTS 1
116 #define DOT_MIDI_OUT_PORTS 2
118 int amdtp_dot_init(struct amdtp_stream *s, struct fw_unit *unit,
119 enum amdtp_stream_direction dir);
120 int amdtp_dot_set_parameters(struct amdtp_stream *s, unsigned int rate,
121 unsigned int pcm_channels);
122 void amdtp_dot_reset(struct amdtp_stream *s);
123 int amdtp_dot_add_pcm_hw_constraints(struct amdtp_stream *s,
124 struct snd_pcm_runtime *runtime);
125 void amdtp_dot_set_pcm_format(struct amdtp_stream *s, snd_pcm_format_t format);
126 void amdtp_dot_midi_trigger(struct amdtp_stream *s, unsigned int port,
127 struct snd_rawmidi_substream *midi);
129 int snd_dg00x_transaction_register(struct snd_dg00x *dg00x);
130 int snd_dg00x_transaction_reregister(struct snd_dg00x *dg00x);
131 void snd_dg00x_transaction_unregister(struct snd_dg00x *dg00x);
133 extern const unsigned int snd_dg00x_stream_rates[SND_DG00X_RATE_COUNT];
134 extern const unsigned int snd_dg00x_stream_pcm_channels[SND_DG00X_RATE_COUNT];
135 int snd_dg00x_stream_get_external_rate(struct snd_dg00x *dg00x,
137 int snd_dg00x_stream_get_local_rate(struct snd_dg00x *dg00x,
139 int snd_dg00x_stream_set_local_rate(struct snd_dg00x *dg00x, unsigned int rate);
140 int snd_dg00x_stream_get_clock(struct snd_dg00x *dg00x,
141 enum snd_dg00x_clock *clock);
142 int snd_dg00x_stream_check_external_clock(struct snd_dg00x *dg00x,
144 int snd_dg00x_stream_init_duplex(struct snd_dg00x *dg00x);
145 int snd_dg00x_stream_start_duplex(struct snd_dg00x *dg00x, unsigned int rate);
146 void snd_dg00x_stream_stop_duplex(struct snd_dg00x *dg00x);
147 void snd_dg00x_stream_update_duplex(struct snd_dg00x *dg00x);
148 void snd_dg00x_stream_destroy_duplex(struct snd_dg00x *dg00x);
150 void snd_dg00x_stream_lock_changed(struct snd_dg00x *dg00x);
151 int snd_dg00x_stream_lock_try(struct snd_dg00x *dg00x);
152 void snd_dg00x_stream_lock_release(struct snd_dg00x *dg00x);
154 void snd_dg00x_proc_init(struct snd_dg00x *dg00x);
156 int snd_dg00x_create_pcm_devices(struct snd_dg00x *dg00x);
158 int snd_dg00x_create_midi_devices(struct snd_dg00x *dg00x);
160 int snd_dg00x_create_hwdep_device(struct snd_dg00x *dg00x);