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8#include "digi00x.h"
9
10MODULE_DESCRIPTION("Digidesign Digi 002/003 family Driver");
11MODULE_AUTHOR("Takashi Sakamoto <o-takashi@sakamocchi.jp>");
12MODULE_LICENSE("GPL v2");
13
14#define VENDOR_DIGIDESIGN 0x00a07e
15#define MODEL_CONSOLE 0x000001
16#define MODEL_RACK 0x000002
17#define SPEC_VERSION 0x000001
18
19static int name_card(struct snd_dg00x *dg00x)
20{
21 struct fw_device *fw_dev = fw_parent_device(dg00x->unit);
22 char name[32] = {0};
23 char *model;
24 int err;
25
26 err = fw_csr_string(dg00x->unit->directory, CSR_MODEL, name,
27 sizeof(name));
28 if (err < 0)
29 return err;
30
31 model = skip_spaces(name);
32
33 strcpy(dg00x->card->driver, "Digi00x");
34 strcpy(dg00x->card->shortname, model);
35 strcpy(dg00x->card->mixername, model);
36 snprintf(dg00x->card->longname, sizeof(dg00x->card->longname),
37 "Digidesign %s, GUID %08x%08x at %s, S%d", model,
38 fw_dev->config_rom[3], fw_dev->config_rom[4],
39 dev_name(&dg00x->unit->device), 100 << fw_dev->max_speed);
40
41 return 0;
42}
43
44static void dg00x_card_free(struct snd_card *card)
45{
46 struct snd_dg00x *dg00x = card->private_data;
47
48 snd_dg00x_stream_destroy_duplex(dg00x);
49 snd_dg00x_transaction_unregister(dg00x);
50}
51
52static void do_registration(struct work_struct *work)
53{
54 struct snd_dg00x *dg00x =
55 container_of(work, struct snd_dg00x, dwork.work);
56 int err;
57
58 if (dg00x->registered)
59 return;
60
61 err = snd_card_new(&dg00x->unit->device, -1, NULL, THIS_MODULE, 0,
62 &dg00x->card);
63 if (err < 0)
64 return;
65 dg00x->card->private_free = dg00x_card_free;
66 dg00x->card->private_data = dg00x;
67
68 err = name_card(dg00x);
69 if (err < 0)
70 goto error;
71
72 err = snd_dg00x_stream_init_duplex(dg00x);
73 if (err < 0)
74 goto error;
75
76 snd_dg00x_proc_init(dg00x);
77
78 err = snd_dg00x_create_pcm_devices(dg00x);
79 if (err < 0)
80 goto error;
81
82 err = snd_dg00x_create_midi_devices(dg00x);
83 if (err < 0)
84 goto error;
85
86 err = snd_dg00x_create_hwdep_device(dg00x);
87 if (err < 0)
88 goto error;
89
90 err = snd_dg00x_transaction_register(dg00x);
91 if (err < 0)
92 goto error;
93
94 err = snd_card_register(dg00x->card);
95 if (err < 0)
96 goto error;
97
98 dg00x->registered = true;
99
100 return;
101error:
102 snd_card_free(dg00x->card);
103 dev_info(&dg00x->unit->device,
104 "Sound card registration failed: %d\n", err);
105}
106
107static int snd_dg00x_probe(struct fw_unit *unit,
108 const struct ieee1394_device_id *entry)
109{
110 struct snd_dg00x *dg00x;
111
112
113 dg00x = devm_kzalloc(&unit->device, sizeof(struct snd_dg00x),
114 GFP_KERNEL);
115 if (!dg00x)
116 return -ENOMEM;
117
118 dg00x->unit = fw_unit_get(unit);
119 dev_set_drvdata(&unit->device, dg00x);
120
121 mutex_init(&dg00x->mutex);
122 spin_lock_init(&dg00x->lock);
123 init_waitqueue_head(&dg00x->hwdep_wait);
124
125 dg00x->is_console = entry->model_id == MODEL_CONSOLE;
126
127
128 INIT_DEFERRABLE_WORK(&dg00x->dwork, do_registration);
129 snd_fw_schedule_registration(unit, &dg00x->dwork);
130
131 return 0;
132}
133
134static void snd_dg00x_update(struct fw_unit *unit)
135{
136 struct snd_dg00x *dg00x = dev_get_drvdata(&unit->device);
137
138
139 if (!dg00x->registered)
140 snd_fw_schedule_registration(unit, &dg00x->dwork);
141
142 snd_dg00x_transaction_reregister(dg00x);
143
144
145
146
147
148 if (dg00x->registered) {
149 mutex_lock(&dg00x->mutex);
150 snd_dg00x_stream_update_duplex(dg00x);
151 mutex_unlock(&dg00x->mutex);
152 }
153}
154
155static void snd_dg00x_remove(struct fw_unit *unit)
156{
157 struct snd_dg00x *dg00x = dev_get_drvdata(&unit->device);
158
159
160
161
162
163
164 cancel_delayed_work_sync(&dg00x->dwork);
165
166 if (dg00x->registered) {
167
168 snd_card_free(dg00x->card);
169 }
170
171 mutex_destroy(&dg00x->mutex);
172 fw_unit_put(dg00x->unit);
173}
174
175static const struct ieee1394_device_id snd_dg00x_id_table[] = {
176
177 {
178 .match_flags = IEEE1394_MATCH_VENDOR_ID |
179 IEEE1394_MATCH_VERSION |
180 IEEE1394_MATCH_MODEL_ID,
181 .vendor_id = VENDOR_DIGIDESIGN,
182 .version = SPEC_VERSION,
183 .model_id = MODEL_CONSOLE,
184 },
185 {
186 .match_flags = IEEE1394_MATCH_VENDOR_ID |
187 IEEE1394_MATCH_VERSION |
188 IEEE1394_MATCH_MODEL_ID,
189 .vendor_id = VENDOR_DIGIDESIGN,
190 .version = SPEC_VERSION,
191 .model_id = MODEL_RACK,
192 },
193 {}
194};
195MODULE_DEVICE_TABLE(ieee1394, snd_dg00x_id_table);
196
197static struct fw_driver dg00x_driver = {
198 .driver = {
199 .owner = THIS_MODULE,
200 .name = KBUILD_MODNAME,
201 .bus = &fw_bus_type,
202 },
203 .probe = snd_dg00x_probe,
204 .update = snd_dg00x_update,
205 .remove = snd_dg00x_remove,
206 .id_table = snd_dg00x_id_table,
207};
208
209static int __init snd_dg00x_init(void)
210{
211 return driver_register(&dg00x_driver.driver);
212}
213
214static void __exit snd_dg00x_exit(void)
215{
216 driver_unregister(&dg00x_driver.driver);
217}
218
219module_init(snd_dg00x_init);
220module_exit(snd_dg00x_exit);
221