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V4L/DVB (7537): cx88/saa7134: Fix: avoid OOPS on module unload
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1/* DVB USB library compliant Linux driver for the WideView/ Yakumo/ Hama/
2 * Typhoon/ Yuan/ Miglia DVB-T USB2.0 receiver.
3 *
4 * Copyright (C) 2004-5 Patrick Boettcher (patrick.boettcher@desy.de)
5 *
6 * Thanks to Steve Chang from WideView for providing support for the WT-220U.
7 *
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License as published by the Free
10 * Software Foundation, version 2.
11 *
12 * see Documentation/dvb/README.dvb-usb for more information
13 */
14#include "dtt200u.h"
15
16/* debug */
17int dvb_usb_dtt200u_debug;
18module_param_named(debug,dvb_usb_dtt200u_debug, int, 0644);
19MODULE_PARM_DESC(debug, "set debugging level (1=info,xfer=2 (or-able))." DVB_USB_DEBUG_STATUS);
20
21static int dtt200u_power_ctrl(struct dvb_usb_device *d, int onoff)
22{
23 u8 b = SET_INIT;
24
25 if (onoff)
26 dvb_usb_generic_write(d,&b,2);
27
28 return 0;
29}
30
31static int dtt200u_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff)
32{
33 u8 b_streaming[2] = { SET_STREAMING, onoff };
34 u8 b_rst_pid = RESET_PID_FILTER;
35
36 dvb_usb_generic_write(adap->dev, b_streaming, 2);
37
38 if (onoff == 0)
39 dvb_usb_generic_write(adap->dev, &b_rst_pid, 1);
40 return 0;
41}
42
43static int dtt200u_pid_filter(struct dvb_usb_adapter *adap, int index, u16 pid, int onoff)
44{
45 u8 b_pid[4];
46 pid = onoff ? pid : 0;
47
48 b_pid[0] = SET_PID_FILTER;
49 b_pid[1] = index;
50 b_pid[2] = pid & 0xff;
51 b_pid[3] = (pid >> 8) & 0x1f;
52
53 return dvb_usb_generic_write(adap->dev, b_pid, 4);
54}
55
56/* remote control */
57/* key list for the tiny remote control (Yakumo, don't know about the others) */
58static struct dvb_usb_rc_key dtt200u_rc_keys[] = {
59 { 0x80, 0x01, KEY_MUTE },
60 { 0x80, 0x02, KEY_CHANNELDOWN },
61 { 0x80, 0x03, KEY_VOLUMEDOWN },
62 { 0x80, 0x04, KEY_1 },
63 { 0x80, 0x05, KEY_2 },
64 { 0x80, 0x06, KEY_3 },
65 { 0x80, 0x07, KEY_4 },
66 { 0x80, 0x08, KEY_5 },
67 { 0x80, 0x09, KEY_6 },
68 { 0x80, 0x0a, KEY_7 },
69 { 0x80, 0x0c, KEY_ZOOM },
70 { 0x80, 0x0d, KEY_0 },
71 { 0x80, 0x0e, KEY_SELECT },
72 { 0x80, 0x12, KEY_POWER },
73 { 0x80, 0x1a, KEY_CHANNELUP },
74 { 0x80, 0x1b, KEY_8 },
75 { 0x80, 0x1e, KEY_VOLUMEUP },
76 { 0x80, 0x1f, KEY_9 },
77};
78
79static int dtt200u_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
80{
81 u8 key[5],cmd = GET_RC_CODE;
82 dvb_usb_generic_rw(d,&cmd,1,key,5,0);
83 dvb_usb_nec_rc_key_to_event(d,key,event,state);
84 if (key[0] != 0)
85 deb_info("key: %x %x %x %x %x\n",key[0],key[1],key[2],key[3],key[4]);
86 return 0;
87}
88
89static int dtt200u_frontend_attach(struct dvb_usb_adapter *adap)
90{
91 adap->fe = dtt200u_fe_attach(adap->dev);
92 return 0;
93}
94
95static struct dvb_usb_device_properties dtt200u_properties;
96static struct dvb_usb_device_properties wt220u_fc_properties;
97static struct dvb_usb_device_properties wt220u_properties;
98static struct dvb_usb_device_properties wt220u_zl0353_properties;
99static struct dvb_usb_device_properties wt220u_miglia_properties;
100
101static int dtt200u_usb_probe(struct usb_interface *intf,
102 const struct usb_device_id *id)
103{
104 if (dvb_usb_device_init(intf,&dtt200u_properties,THIS_MODULE,NULL) == 0 ||
105 dvb_usb_device_init(intf,&wt220u_properties,THIS_MODULE,NULL) == 0 ||
106 dvb_usb_device_init(intf,&wt220u_fc_properties,THIS_MODULE,NULL) == 0 ||
107 dvb_usb_device_init(intf,&wt220u_zl0353_properties,THIS_MODULE,NULL) == 0 ||
108 dvb_usb_device_init(intf,&wt220u_miglia_properties,THIS_MODULE,NULL) == 0)
109 return 0;
110
111 return -ENODEV;
112}
113
114static struct usb_device_id dtt200u_usb_table [] = {
115 { USB_DEVICE(USB_VID_WIDEVIEW, USB_PID_DTT200U_COLD) },
116 { USB_DEVICE(USB_VID_WIDEVIEW, USB_PID_DTT200U_WARM) },
117 { USB_DEVICE(USB_VID_WIDEVIEW, USB_PID_WT220U_COLD) },
118 { USB_DEVICE(USB_VID_WIDEVIEW, USB_PID_WT220U_WARM) },
119 { USB_DEVICE(USB_VID_WIDEVIEW, USB_PID_WT220U_ZL0353_COLD) },
120 { USB_DEVICE(USB_VID_WIDEVIEW, USB_PID_WT220U_ZL0353_WARM) },
121 { USB_DEVICE(USB_VID_WIDEVIEW, USB_PID_WT220U_FC_COLD) },
122 { USB_DEVICE(USB_VID_WIDEVIEW, USB_PID_WT220U_FC_WARM) },
123 { USB_DEVICE(USB_VID_WIDEVIEW, USB_PID_WT220U_ZAP250_COLD) },
124 { USB_DEVICE(USB_VID_MIGLIA, USB_PID_WT220U_ZAP250_COLD) },
125 { 0 },
126};
127MODULE_DEVICE_TABLE(usb, dtt200u_usb_table);
128
129static struct dvb_usb_device_properties dtt200u_properties = {
130 .usb_ctrl = CYPRESS_FX2,
131 .firmware = "dvb-usb-dtt200u-01.fw",
132
133 .num_adapters = 1,
134 .adapter = {
135 {
136 .caps = DVB_USB_ADAP_HAS_PID_FILTER | DVB_USB_ADAP_NEED_PID_FILTERING,
137 .pid_filter_count = 15,
138
139 .streaming_ctrl = dtt200u_streaming_ctrl,
140 .pid_filter = dtt200u_pid_filter,
141 .frontend_attach = dtt200u_frontend_attach,
142 /* parameter for the MPEG2-data transfer */
143 .stream = {
144 .type = USB_BULK,
145 .count = 7,
146 .endpoint = 0x02,
147 .u = {
148 .bulk = {
149 .buffersize = 4096,
150 }
151 }
152 },
153 }
154 },
155 .power_ctrl = dtt200u_power_ctrl,
156
157 .rc_interval = 300,
158 .rc_key_map = dtt200u_rc_keys,
159 .rc_key_map_size = ARRAY_SIZE(dtt200u_rc_keys),
160 .rc_query = dtt200u_rc_query,
161
162 .generic_bulk_ctrl_endpoint = 0x01,
163
164 .num_device_descs = 1,
165 .devices = {
166 { .name = "WideView/Yuan/Yakumo/Hama/Typhoon DVB-T USB2.0 (WT-200U)",
167 .cold_ids = { &dtt200u_usb_table[0], NULL },
168 .warm_ids = { &dtt200u_usb_table[1], NULL },
169 },
170 { NULL },
171 }
172};
173
174static struct dvb_usb_device_properties wt220u_properties = {
175 .usb_ctrl = CYPRESS_FX2,
176 .firmware = "dvb-usb-wt220u-02.fw",
177
178 .num_adapters = 1,
179 .adapter = {
180 {
181 .caps = DVB_USB_ADAP_HAS_PID_FILTER | DVB_USB_ADAP_NEED_PID_FILTERING,
182 .pid_filter_count = 15,
183
184 .streaming_ctrl = dtt200u_streaming_ctrl,
185 .pid_filter = dtt200u_pid_filter,
186 .frontend_attach = dtt200u_frontend_attach,
187 /* parameter for the MPEG2-data transfer */
188 .stream = {
189 .type = USB_BULK,
190 .count = 7,
191 .endpoint = 0x02,
192 .u = {
193 .bulk = {
194 .buffersize = 4096,
195 }
196 }
197 },
198 }
199 },
200 .power_ctrl = dtt200u_power_ctrl,
201
202 .rc_interval = 300,
203 .rc_key_map = dtt200u_rc_keys,
204 .rc_key_map_size = ARRAY_SIZE(dtt200u_rc_keys),
205 .rc_query = dtt200u_rc_query,
206
207 .generic_bulk_ctrl_endpoint = 0x01,
208
209 .num_device_descs = 1,
210 .devices = {
211 { .name = "WideView WT-220U PenType Receiver (Typhoon/Freecom)",
212 .cold_ids = { &dtt200u_usb_table[2], &dtt200u_usb_table[8], NULL },
213 .warm_ids = { &dtt200u_usb_table[3], NULL },
214 },
215 { NULL },
216 }
217};
218
219static struct dvb_usb_device_properties wt220u_fc_properties = {
220 .usb_ctrl = CYPRESS_FX2,
221 .firmware = "dvb-usb-wt220u-fc03.fw",
222
223 .num_adapters = 1,
224 .adapter = {
225 {
226 .caps = DVB_USB_ADAP_HAS_PID_FILTER | DVB_USB_ADAP_NEED_PID_FILTERING,
227 .pid_filter_count = 15,
228
229 .streaming_ctrl = dtt200u_streaming_ctrl,
230 .pid_filter = dtt200u_pid_filter,
231 .frontend_attach = dtt200u_frontend_attach,
232 /* parameter for the MPEG2-data transfer */
233 .stream = {
234 .type = USB_BULK,
235 .count = 7,
236 .endpoint = 0x06,
237 .u = {
238 .bulk = {
239 .buffersize = 4096,
240 }
241 }
242 },
243 }
244 },
245 .power_ctrl = dtt200u_power_ctrl,
246
247 .rc_interval = 300,
248 .rc_key_map = dtt200u_rc_keys,
249 .rc_key_map_size = ARRAY_SIZE(dtt200u_rc_keys),
250 .rc_query = dtt200u_rc_query,
251
252 .generic_bulk_ctrl_endpoint = 0x01,
253
254 .num_device_descs = 1,
255 .devices = {
256 { .name = "WideView WT-220U PenType Receiver (Typhoon/Freecom)",
257 .cold_ids = { &dtt200u_usb_table[6], NULL },
258 .warm_ids = { &dtt200u_usb_table[7], NULL },
259 },
260 { NULL },
261 }
262};
263
264static struct dvb_usb_device_properties wt220u_zl0353_properties = {
265 .usb_ctrl = CYPRESS_FX2,
266 .firmware = "dvb-usb-wt220u-zl0353-01.fw",
267
268 .num_adapters = 1,
269 .adapter = {
270 {
271 .caps = DVB_USB_ADAP_HAS_PID_FILTER | DVB_USB_ADAP_NEED_PID_FILTERING,
272 .pid_filter_count = 15,
273
274 .streaming_ctrl = dtt200u_streaming_ctrl,
275 .pid_filter = dtt200u_pid_filter,
276 .frontend_attach = dtt200u_frontend_attach,
277 /* parameter for the MPEG2-data transfer */
278 .stream = {
279 .type = USB_BULK,
280 .count = 7,
281 .endpoint = 0x02,
282 .u = {
283 .bulk = {
284 .buffersize = 4096,
285 }
286 }
287 },
288 }
289 },
290 .power_ctrl = dtt200u_power_ctrl,
291
292 .rc_interval = 300,
293 .rc_key_map = dtt200u_rc_keys,
294 .rc_key_map_size = ARRAY_SIZE(dtt200u_rc_keys),
295 .rc_query = dtt200u_rc_query,
296
297 .generic_bulk_ctrl_endpoint = 0x01,
298
299 .num_device_descs = 1,
300 .devices = {
301 { .name = "WideView WT-220U PenType Receiver (based on ZL353)",
302 .cold_ids = { &dtt200u_usb_table[4], NULL },
303 .warm_ids = { &dtt200u_usb_table[5], NULL },
304 },
305 { NULL },
306 }
307};
308
309static struct dvb_usb_device_properties wt220u_miglia_properties = {
310 .usb_ctrl = CYPRESS_FX2,
311 .firmware = "dvb-usb-wt220u-miglia-01.fw",
312
313 .num_adapters = 1,
314 .generic_bulk_ctrl_endpoint = 0x01,
315
316 .num_device_descs = 1,
317 .devices = {
318 { .name = "WideView WT-220U PenType Receiver (Miglia)",
319 .cold_ids = { &dtt200u_usb_table[9], NULL },
320 /* This device turns into WT220U_ZL0353_WARM when fw
321 has been uploaded */
322 .warm_ids = { NULL },
323 },
324 { NULL },
325 }
326};
327
328/* usb specific object needed to register this driver with the usb subsystem */
329static struct usb_driver dtt200u_usb_driver = {
330 .name = "dvb_usb_dtt200u",
331 .probe = dtt200u_usb_probe,
332 .disconnect = dvb_usb_device_exit,
333 .id_table = dtt200u_usb_table,
334};
335
336/* module stuff */
337static int __init dtt200u_usb_module_init(void)
338{
339 int result;
340 if ((result = usb_register(&dtt200u_usb_driver))) {
341 err("usb_register failed. (%d)",result);
342 return result;
343 }
344
345 return 0;
346}
347
348static void __exit dtt200u_usb_module_exit(void)
349{
350 /* deregister this driver from the USB subsystem */
351 usb_deregister(&dtt200u_usb_driver);
352}
353
354module_init(dtt200u_usb_module_init);
355module_exit(dtt200u_usb_module_exit);
356
357MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@desy.de>");
358MODULE_DESCRIPTION("Driver for the WideView/Yakumo/Hama/Typhoon/Club3D/Miglia DVB-T USB2.0 devices");
359MODULE_VERSION("1.0");
360MODULE_LICENSE("GPL");