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8#include "motu.h"
9
10#define OUI_MOTU 0x0001f2
11
12MODULE_DESCRIPTION("MOTU FireWire driver");
13MODULE_AUTHOR("Takashi Sakamoto <o-takashi@sakamocchi.jp>");
14MODULE_LICENSE("GPL v2");
15
16const unsigned int snd_motu_clock_rates[SND_MOTU_CLOCK_RATE_COUNT] = {
17
18 [0] = 44100,
19 [1] = 48000,
20
21 [2] = 88200,
22 [3] = 96000,
23
24 [4] = 176400,
25 [5] = 192000,
26};
27
28static void name_card(struct snd_motu *motu)
29{
30 struct fw_device *fw_dev = fw_parent_device(motu->unit);
31 struct fw_csr_iterator it;
32 int key, val;
33 u32 version = 0;
34
35 fw_csr_iterator_init(&it, motu->unit->directory);
36 while (fw_csr_iterator_next(&it, &key, &val)) {
37 switch (key) {
38 case CSR_MODEL:
39 version = val;
40 break;
41 }
42 }
43
44 strcpy(motu->card->driver, "FW-MOTU");
45 strcpy(motu->card->shortname, motu->spec->name);
46 strcpy(motu->card->mixername, motu->spec->name);
47 snprintf(motu->card->longname, sizeof(motu->card->longname),
48 "MOTU %s (version:%06x), GUID %08x%08x at %s, S%d",
49 motu->spec->name, version,
50 fw_dev->config_rom[3], fw_dev->config_rom[4],
51 dev_name(&motu->unit->device), 100 << fw_dev->max_speed);
52}
53
54static void motu_card_free(struct snd_card *card)
55{
56 struct snd_motu *motu = card->private_data;
57
58 snd_motu_transaction_unregister(motu);
59 snd_motu_stream_destroy_duplex(motu);
60
61 mutex_destroy(&motu->mutex);
62 fw_unit_put(motu->unit);
63}
64
65static int motu_probe(struct fw_unit *unit, const struct ieee1394_device_id *entry)
66{
67 struct snd_card *card;
68 struct snd_motu *motu;
69 int err;
70
71 err = snd_card_new(&unit->device, -1, NULL, THIS_MODULE, sizeof(*motu), &card);
72 if (err < 0)
73 return err;
74 card->private_free = motu_card_free;
75
76 motu = card->private_data;
77 motu->unit = fw_unit_get(unit);
78 dev_set_drvdata(&unit->device, motu);
79 motu->card = card;
80
81 motu->spec = (const struct snd_motu_spec *)entry->driver_data;
82 mutex_init(&motu->mutex);
83 spin_lock_init(&motu->lock);
84 init_waitqueue_head(&motu->hwdep_wait);
85
86 name_card(motu);
87
88 err = snd_motu_transaction_register(motu);
89 if (err < 0)
90 goto error;
91
92 err = snd_motu_stream_init_duplex(motu);
93 if (err < 0)
94 goto error;
95
96 snd_motu_proc_init(motu);
97
98 err = snd_motu_create_pcm_devices(motu);
99 if (err < 0)
100 goto error;
101
102 if ((motu->spec->flags & SND_MOTU_SPEC_RX_MIDI_2ND_Q) ||
103 (motu->spec->flags & SND_MOTU_SPEC_RX_MIDI_3RD_Q) ||
104 (motu->spec->flags & SND_MOTU_SPEC_TX_MIDI_2ND_Q) ||
105 (motu->spec->flags & SND_MOTU_SPEC_TX_MIDI_3RD_Q)) {
106 err = snd_motu_create_midi_devices(motu);
107 if (err < 0)
108 goto error;
109 }
110
111 err = snd_motu_create_hwdep_device(motu);
112 if (err < 0)
113 goto error;
114
115 err = snd_card_register(card);
116 if (err < 0)
117 goto error;
118
119 return 0;
120error:
121 snd_card_free(card);
122 return err;
123}
124
125static void motu_remove(struct fw_unit *unit)
126{
127 struct snd_motu *motu = dev_get_drvdata(&unit->device);
128
129
130 snd_card_free(motu->card);
131}
132
133static void motu_bus_update(struct fw_unit *unit)
134{
135 struct snd_motu *motu = dev_get_drvdata(&unit->device);
136
137
138 snd_motu_transaction_reregister(motu);
139}
140
141#define SND_MOTU_DEV_ENTRY(model, data) \
142{ \
143 .match_flags = IEEE1394_MATCH_VENDOR_ID | \
144 IEEE1394_MATCH_SPECIFIER_ID | \
145 IEEE1394_MATCH_VERSION, \
146 .vendor_id = OUI_MOTU, \
147 .specifier_id = OUI_MOTU, \
148 .version = model, \
149 .driver_data = (kernel_ulong_t)data, \
150}
151
152static const struct ieee1394_device_id motu_id_table[] = {
153 SND_MOTU_DEV_ENTRY(0x000001, &snd_motu_spec_828),
154 SND_MOTU_DEV_ENTRY(0x000002, &snd_motu_spec_896),
155 SND_MOTU_DEV_ENTRY(0x000003, &snd_motu_spec_828mk2),
156 SND_MOTU_DEV_ENTRY(0x000005, &snd_motu_spec_896hd),
157 SND_MOTU_DEV_ENTRY(0x000009, &snd_motu_spec_traveler),
158 SND_MOTU_DEV_ENTRY(0x00000d, &snd_motu_spec_ultralite),
159 SND_MOTU_DEV_ENTRY(0x00000f, &snd_motu_spec_8pre),
160 SND_MOTU_DEV_ENTRY(0x000015, &snd_motu_spec_828mk3_fw),
161 SND_MOTU_DEV_ENTRY(0x000019, &snd_motu_spec_ultralite_mk3),
162 SND_MOTU_DEV_ENTRY(0x000030, &snd_motu_spec_ultralite_mk3),
163 SND_MOTU_DEV_ENTRY(0x000035, &snd_motu_spec_828mk3_hybrid),
164 SND_MOTU_DEV_ENTRY(0x000033, &snd_motu_spec_audio_express),
165 SND_MOTU_DEV_ENTRY(0x000045, &snd_motu_spec_4pre),
166 { }
167};
168MODULE_DEVICE_TABLE(ieee1394, motu_id_table);
169
170static struct fw_driver motu_driver = {
171 .driver = {
172 .owner = THIS_MODULE,
173 .name = KBUILD_MODNAME,
174 .bus = &fw_bus_type,
175 },
176 .probe = motu_probe,
177 .update = motu_bus_update,
178 .remove = motu_remove,
179 .id_table = motu_id_table,
180};
181
182static int __init alsa_motu_init(void)
183{
184 return driver_register(&motu_driver.driver);
185}
186
187static void __exit alsa_motu_exit(void)
188{
189 driver_unregister(&motu_driver.driver);
190}
191
192module_init(alsa_motu_init);
193module_exit(alsa_motu_exit);
194
