This source file includes following definitions.
- name_card
- ff_card_free
- do_registration
- snd_ff_probe
- snd_ff_update
- snd_ff_remove
- snd_ff_init
- snd_ff_exit
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7
8 #include "ff.h"
9
10 #define OUI_RME 0x000a35
11
12 MODULE_DESCRIPTION("RME Fireface series Driver");
13 MODULE_AUTHOR("Takashi Sakamoto <o-takashi@sakamocchi.jp>");
14 MODULE_LICENSE("GPL v2");
15
16 static void name_card(struct snd_ff *ff)
17 {
18 struct fw_device *fw_dev = fw_parent_device(ff->unit);
19
20 strcpy(ff->card->driver, "Fireface");
21 strcpy(ff->card->shortname, ff->spec->name);
22 strcpy(ff->card->mixername, ff->spec->name);
23 snprintf(ff->card->longname, sizeof(ff->card->longname),
24 "RME %s, GUID %08x%08x at %s, S%d", ff->spec->name,
25 fw_dev->config_rom[3], fw_dev->config_rom[4],
26 dev_name(&ff->unit->device), 100 << fw_dev->max_speed);
27 }
28
29 static void ff_card_free(struct snd_card *card)
30 {
31 struct snd_ff *ff = card->private_data;
32
33 snd_ff_stream_destroy_duplex(ff);
34 snd_ff_transaction_unregister(ff);
35 }
36
37 static void do_registration(struct work_struct *work)
38 {
39 struct snd_ff *ff = container_of(work, struct snd_ff, dwork.work);
40 int err;
41
42 if (ff->registered)
43 return;
44
45 err = snd_card_new(&ff->unit->device, -1, NULL, THIS_MODULE, 0,
46 &ff->card);
47 if (err < 0)
48 return;
49 ff->card->private_free = ff_card_free;
50 ff->card->private_data = ff;
51
52 err = snd_ff_transaction_register(ff);
53 if (err < 0)
54 goto error;
55
56 name_card(ff);
57
58 err = snd_ff_stream_init_duplex(ff);
59 if (err < 0)
60 goto error;
61
62 snd_ff_proc_init(ff);
63
64 err = snd_ff_create_midi_devices(ff);
65 if (err < 0)
66 goto error;
67
68 err = snd_ff_create_pcm_devices(ff);
69 if (err < 0)
70 goto error;
71
72 err = snd_ff_create_hwdep_devices(ff);
73 if (err < 0)
74 goto error;
75
76 err = snd_card_register(ff->card);
77 if (err < 0)
78 goto error;
79
80 ff->registered = true;
81
82 return;
83 error:
84 snd_card_free(ff->card);
85 dev_info(&ff->unit->device,
86 "Sound card registration failed: %d\n", err);
87 }
88
89 static int snd_ff_probe(struct fw_unit *unit,
90 const struct ieee1394_device_id *entry)
91 {
92 struct snd_ff *ff;
93
94 ff = devm_kzalloc(&unit->device, sizeof(struct snd_ff), GFP_KERNEL);
95 if (!ff)
96 return -ENOMEM;
97 ff->unit = fw_unit_get(unit);
98 dev_set_drvdata(&unit->device, ff);
99
100 mutex_init(&ff->mutex);
101 spin_lock_init(&ff->lock);
102 init_waitqueue_head(&ff->hwdep_wait);
103
104 ff->spec = (const struct snd_ff_spec *)entry->driver_data;
105
106
107 INIT_DEFERRABLE_WORK(&ff->dwork, do_registration);
108 snd_fw_schedule_registration(unit, &ff->dwork);
109
110 return 0;
111 }
112
113 static void snd_ff_update(struct fw_unit *unit)
114 {
115 struct snd_ff *ff = dev_get_drvdata(&unit->device);
116
117
118 if (!ff->registered)
119 snd_fw_schedule_registration(unit, &ff->dwork);
120
121 snd_ff_transaction_reregister(ff);
122
123 if (ff->registered)
124 snd_ff_stream_update_duplex(ff);
125 }
126
127 static void snd_ff_remove(struct fw_unit *unit)
128 {
129 struct snd_ff *ff = dev_get_drvdata(&unit->device);
130
131
132
133
134
135
136 cancel_work_sync(&ff->dwork.work);
137
138 if (ff->registered) {
139
140 snd_card_free(ff->card);
141 }
142
143 mutex_destroy(&ff->mutex);
144 fw_unit_put(ff->unit);
145 }
146
147 static const struct snd_ff_spec spec_ff800 = {
148 .name = "Fireface800",
149 .pcm_capture_channels = {28, 20, 12},
150 .pcm_playback_channels = {28, 20, 12},
151 .midi_in_ports = 1,
152 .midi_out_ports = 1,
153 .protocol = &snd_ff_protocol_ff800,
154 .midi_high_addr = 0x000200000320ull,
155 .midi_addr_range = 12,
156 .midi_rx_addrs = {0x000080180000ull, 0},
157 };
158
159 static const struct snd_ff_spec spec_ff400 = {
160 .name = "Fireface400",
161 .pcm_capture_channels = {18, 14, 10},
162 .pcm_playback_channels = {18, 14, 10},
163 .midi_in_ports = 2,
164 .midi_out_ports = 2,
165 .protocol = &snd_ff_protocol_ff400,
166 .midi_high_addr = 0x0000801003f4ull,
167 .midi_addr_range = SND_FF_MAXIMIM_MIDI_QUADS * 4,
168 .midi_rx_addrs = {0x000080180000ull, 0x000080190000ull},
169 };
170
171 static const struct snd_ff_spec spec_ucx = {
172 .name = "FirefaceUCX",
173 .pcm_capture_channels = {18, 14, 12},
174 .pcm_playback_channels = {18, 14, 12},
175 .midi_in_ports = 2,
176 .midi_out_ports = 2,
177 .protocol = &snd_ff_protocol_latter,
178 .midi_high_addr = 0xffff00000034ull,
179 .midi_addr_range = 0x80,
180 .midi_rx_addrs = {0xffff00000030ull, 0xffff00000030ull},
181 };
182
183 static const struct ieee1394_device_id snd_ff_id_table[] = {
184
185 {
186 .match_flags = IEEE1394_MATCH_VENDOR_ID |
187 IEEE1394_MATCH_SPECIFIER_ID |
188 IEEE1394_MATCH_VERSION |
189 IEEE1394_MATCH_MODEL_ID,
190 .vendor_id = OUI_RME,
191 .specifier_id = OUI_RME,
192 .version = 0x000001,
193 .model_id = 0x101800,
194 .driver_data = (kernel_ulong_t)&spec_ff800,
195 },
196
197 {
198 .match_flags = IEEE1394_MATCH_VENDOR_ID |
199 IEEE1394_MATCH_SPECIFIER_ID |
200 IEEE1394_MATCH_VERSION |
201 IEEE1394_MATCH_MODEL_ID,
202 .vendor_id = OUI_RME,
203 .specifier_id = OUI_RME,
204 .version = 0x000002,
205 .model_id = 0x101800,
206 .driver_data = (kernel_ulong_t)&spec_ff400,
207 },
208
209 {
210 .match_flags = IEEE1394_MATCH_VENDOR_ID |
211 IEEE1394_MATCH_SPECIFIER_ID |
212 IEEE1394_MATCH_VERSION |
213 IEEE1394_MATCH_MODEL_ID,
214 .vendor_id = OUI_RME,
215 .specifier_id = OUI_RME,
216 .version = 0x000004,
217 .model_id = 0x101800,
218 .driver_data = (kernel_ulong_t)&spec_ucx,
219 },
220 {}
221 };
222 MODULE_DEVICE_TABLE(ieee1394, snd_ff_id_table);
223
224 static struct fw_driver ff_driver = {
225 .driver = {
226 .owner = THIS_MODULE,
227 .name = "snd-fireface",
228 .bus = &fw_bus_type,
229 },
230 .probe = snd_ff_probe,
231 .update = snd_ff_update,
232 .remove = snd_ff_remove,
233 .id_table = snd_ff_id_table,
234 };
235
236 static int __init snd_ff_init(void)
237 {
238 return driver_register(&ff_driver.driver);
239 }
240
241 static void __exit snd_ff_exit(void)
242 {
243 driver_unregister(&ff_driver.driver);
244 }
245
246 module_init(snd_ff_init);
247 module_exit(snd_ff_exit);