Linux kernel & device driver programming

Cross-Referenced Linux and Device Driver Code

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Version: [ 2.6.11.8 ] [ 2.6.25 ] [ 2.6.25.8 ] [ 2.6.31.13 ] Architecture: [ i386 ]
  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 */
 17 int dvb_usb_dtt200u_debug;
 18 module_param_named(debug,dvb_usb_dtt200u_debug, int, 0644);
 19 MODULE_PARM_DESC(debug, "set debugging level (1=info,xfer=2 (or-able))." DVB_USB_DEBUG_STATUS);
 20 
 21 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
 22 
 23 static int dtt200u_power_ctrl(struct dvb_usb_device *d, int onoff)
 24 {
 25         u8 b = SET_INIT;
 26 
 27         if (onoff)
 28                 dvb_usb_generic_write(d,&b,2);
 29 
 30         return 0;
 31 }
 32 
 33 static int dtt200u_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff)
 34 {
 35         u8 b_streaming[2] = { SET_STREAMING, onoff };
 36         u8 b_rst_pid = RESET_PID_FILTER;
 37 
 38         dvb_usb_generic_write(adap->dev, b_streaming, 2);
 39 
 40         if (onoff == 0)
 41                 dvb_usb_generic_write(adap->dev, &b_rst_pid, 1);
 42         return 0;
 43 }
 44 
 45 static int dtt200u_pid_filter(struct dvb_usb_adapter *adap, int index, u16 pid, int onoff)
 46 {
 47         u8 b_pid[4];
 48         pid = onoff ? pid : 0;
 49 
 50         b_pid[0] = SET_PID_FILTER;
 51         b_pid[1] = index;
 52         b_pid[2] = pid & 0xff;
 53         b_pid[3] = (pid >> 8) & 0x1f;
 54 
 55         return dvb_usb_generic_write(adap->dev, b_pid, 4);
 56 }
 57 
 58 /* remote control */
 59 /* key list for the tiny remote control (Yakumo, don't know about the others) */
 60 static struct dvb_usb_rc_key dtt200u_rc_keys[] = {
 61         { 0x80, 0x01, KEY_MUTE },
 62         { 0x80, 0x02, KEY_CHANNELDOWN },
 63         { 0x80, 0x03, KEY_VOLUMEDOWN },
 64         { 0x80, 0x04, KEY_1 },
 65         { 0x80, 0x05, KEY_2 },
 66         { 0x80, 0x06, KEY_3 },
 67         { 0x80, 0x07, KEY_4 },
 68         { 0x80, 0x08, KEY_5 },
 69         { 0x80, 0x09, KEY_6 },
 70         { 0x80, 0x0a, KEY_7 },
 71         { 0x80, 0x0c, KEY_ZOOM },
 72         { 0x80, 0x0d, KEY_0 },
 73         { 0x80, 0x0e, KEY_SELECT },
 74         { 0x80, 0x12, KEY_POWER },
 75         { 0x80, 0x1a, KEY_CHANNELUP },
 76         { 0x80, 0x1b, KEY_8 },
 77         { 0x80, 0x1e, KEY_VOLUMEUP },
 78         { 0x80, 0x1f, KEY_9 },
 79 };
 80 
 81 static int dtt200u_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
 82 {
 83         u8 key[5],cmd = GET_RC_CODE;
 84         dvb_usb_generic_rw(d,&cmd,1,key,5,0);
 85         dvb_usb_nec_rc_key_to_event(d,key,event,state);
 86         if (key[0] != 0)
 87                 deb_info("key: %x %x %x %x %x\n",key[0],key[1],key[2],key[3],key[4]);
 88         return 0;
 89 }
 90 
 91 static int dtt200u_frontend_attach(struct dvb_usb_adapter *adap)
 92 {
 93         adap->fe = dtt200u_fe_attach(adap->dev);
 94         return 0;
 95 }
 96 
 97 static struct dvb_usb_device_properties dtt200u_properties;
 98 static struct dvb_usb_device_properties wt220u_fc_properties;
 99 static struct dvb_usb_device_properties wt220u_properties;
100 static struct dvb_usb_device_properties wt220u_zl0353_properties;
101 static struct dvb_usb_device_properties wt220u_miglia_properties;
102 
103 static int dtt200u_usb_probe(struct usb_interface *intf,
104                 const struct usb_device_id *id)
105 {
106         if (0 == dvb_usb_device_init(intf, &dtt200u_properties,
107                                      THIS_MODULE, NULL, adapter_nr) ||
108             0 == dvb_usb_device_init(intf, &wt220u_properties,
109                                      THIS_MODULE, NULL, adapter_nr) ||
110             0 == dvb_usb_device_init(intf, &wt220u_fc_properties,
111                                      THIS_MODULE, NULL, adapter_nr) ||
112             0 == dvb_usb_device_init(intf, &wt220u_zl0353_properties,
113                                      THIS_MODULE, NULL, adapter_nr) ||
114             0 == dvb_usb_device_init(intf, &wt220u_miglia_properties,
115                                      THIS_MODULE, NULL, adapter_nr))
116                 return 0;
117 
118         return -ENODEV;
119 }
120 
121 static struct usb_device_id dtt200u_usb_table [] = {
122         { USB_DEVICE(USB_VID_WIDEVIEW, USB_PID_DTT200U_COLD) },
123         { USB_DEVICE(USB_VID_WIDEVIEW, USB_PID_DTT200U_WARM) },
124         { USB_DEVICE(USB_VID_WIDEVIEW, USB_PID_WT220U_COLD)  },
125         { USB_DEVICE(USB_VID_WIDEVIEW, USB_PID_WT220U_WARM)  },
126         { USB_DEVICE(USB_VID_WIDEVIEW, USB_PID_WT220U_ZL0353_COLD)  },
127         { USB_DEVICE(USB_VID_WIDEVIEW, USB_PID_WT220U_ZL0353_WARM)  },
128         { USB_DEVICE(USB_VID_WIDEVIEW, USB_PID_WT220U_FC_COLD)  },
129         { USB_DEVICE(USB_VID_WIDEVIEW, USB_PID_WT220U_FC_WARM)  },
130         { USB_DEVICE(USB_VID_WIDEVIEW, USB_PID_WT220U_ZAP250_COLD)  },
131         { USB_DEVICE(USB_VID_MIGLIA, USB_PID_WT220U_ZAP250_COLD)  },
132         { 0 },
133 };
134 MODULE_DEVICE_TABLE(usb, dtt200u_usb_table);
135 
136 static struct dvb_usb_device_properties dtt200u_properties = {
137         .usb_ctrl = CYPRESS_FX2,
138         .firmware = "dvb-usb-dtt200u-01.fw",
139 
140         .num_adapters = 1,
141         .adapter = {
142                 {
143                         .caps = DVB_USB_ADAP_HAS_PID_FILTER | DVB_USB_ADAP_NEED_PID_FILTERING,
144                         .pid_filter_count = 15,
145 
146         .streaming_ctrl  = dtt200u_streaming_ctrl,
147         .pid_filter      = dtt200u_pid_filter,
148         .frontend_attach = dtt200u_frontend_attach,
149         /* parameter for the MPEG2-data transfer */
150                         .stream = {
151                                 .type = USB_BULK,
152                 .count = 7,
153                 .endpoint = 0x02,
154                 .u = {
155                         .bulk = {
156                                 .buffersize = 4096,
157                         }
158                 }
159         },
160                 }
161         },
162         .power_ctrl      = dtt200u_power_ctrl,
163 
164         .rc_interval     = 300,
165         .rc_key_map      = dtt200u_rc_keys,
166         .rc_key_map_size = ARRAY_SIZE(dtt200u_rc_keys),
167         .rc_query        = dtt200u_rc_query,
168 
169         .generic_bulk_ctrl_endpoint = 0x01,
170 
171         .num_device_descs = 1,
172         .devices = {
173                 { .name = "WideView/Yuan/Yakumo/Hama/Typhoon DVB-T USB2.0 (WT-200U)",
174                   .cold_ids = { &dtt200u_usb_table[0], NULL },
175                   .warm_ids = { &dtt200u_usb_table[1], NULL },
176                 },
177                 { NULL },
178         }
179 };
180 
181 static struct dvb_usb_device_properties wt220u_properties = {
182         .usb_ctrl = CYPRESS_FX2,
183         .firmware = "dvb-usb-wt220u-02.fw",
184 
185         .num_adapters = 1,
186         .adapter = {
187                 {
188                         .caps = DVB_USB_ADAP_HAS_PID_FILTER | DVB_USB_ADAP_NEED_PID_FILTERING,
189                         .pid_filter_count = 15,
190 
191         .streaming_ctrl  = dtt200u_streaming_ctrl,
192         .pid_filter      = dtt200u_pid_filter,
193         .frontend_attach = dtt200u_frontend_attach,
194         /* parameter for the MPEG2-data transfer */
195                         .stream = {
196                                 .type = USB_BULK,
197                 .count = 7,
198                 .endpoint = 0x02,
199                 .u = {
200                         .bulk = {
201                                 .buffersize = 4096,
202                         }
203                 }
204         },
205                 }
206         },
207         .power_ctrl      = dtt200u_power_ctrl,
208 
209         .rc_interval     = 300,
210         .rc_key_map      = dtt200u_rc_keys,
211         .rc_key_map_size = ARRAY_SIZE(dtt200u_rc_keys),
212         .rc_query        = dtt200u_rc_query,
213 
214         .generic_bulk_ctrl_endpoint = 0x01,
215 
216         .num_device_descs = 1,
217         .devices = {
218                 { .name = "WideView WT-220U PenType Receiver (Typhoon/Freecom)",
219                   .cold_ids = { &dtt200u_usb_table[2], &dtt200u_usb_table[8], NULL },
220                   .warm_ids = { &dtt200u_usb_table[3], NULL },
221                 },
222                 { NULL },
223         }
224 };
225 
226 static struct dvb_usb_device_properties wt220u_fc_properties = {
227         .usb_ctrl = CYPRESS_FX2,
228         .firmware = "dvb-usb-wt220u-fc03.fw",
229 
230         .num_adapters = 1,
231         .adapter = {
232                 {
233                         .caps = DVB_USB_ADAP_HAS_PID_FILTER | DVB_USB_ADAP_NEED_PID_FILTERING,
234                         .pid_filter_count = 15,
235 
236         .streaming_ctrl  = dtt200u_streaming_ctrl,
237         .pid_filter      = dtt200u_pid_filter,
238         .frontend_attach = dtt200u_frontend_attach,
239         /* parameter for the MPEG2-data transfer */
240                         .stream = {
241                                 .type = USB_BULK,
242                 .count = 7,
243                                 .endpoint = 0x06,
244                 .u = {
245                         .bulk = {
246                                 .buffersize = 4096,
247                         }
248                 }
249         },
250                 }
251         },
252         .power_ctrl      = dtt200u_power_ctrl,
253 
254         .rc_interval     = 300,
255         .rc_key_map      = dtt200u_rc_keys,
256         .rc_key_map_size = ARRAY_SIZE(dtt200u_rc_keys),
257         .rc_query        = dtt200u_rc_query,
258 
259         .generic_bulk_ctrl_endpoint = 0x01,
260 
261         .num_device_descs = 1,
262         .devices = {
263                 { .name = "WideView WT-220U PenType Receiver (Typhoon/Freecom)",
264                   .cold_ids = { &dtt200u_usb_table[6], NULL },
265                   .warm_ids = { &dtt200u_usb_table[7], NULL },
266                 },
267                 { NULL },
268         }
269 };
270 
271 static struct dvb_usb_device_properties wt220u_zl0353_properties = {
272         .usb_ctrl = CYPRESS_FX2,
273         .firmware = "dvb-usb-wt220u-zl0353-01.fw",
274 
275         .num_adapters = 1,
276         .adapter = {
277                 {
278                         .caps = DVB_USB_ADAP_HAS_PID_FILTER | DVB_USB_ADAP_NEED_PID_FILTERING,
279                         .pid_filter_count = 15,
280 
281                         .streaming_ctrl  = dtt200u_streaming_ctrl,
282                         .pid_filter      = dtt200u_pid_filter,
283                         .frontend_attach = dtt200u_frontend_attach,
284                         /* parameter for the MPEG2-data transfer */
285                         .stream = {
286                                 .type = USB_BULK,
287                                 .count = 7,
288                                 .endpoint = 0x02,
289                                 .u = {
290                                         .bulk = {
291                                                 .buffersize = 4096,
292                                         }
293                                 }
294                         },
295                 }
296         },
297         .power_ctrl      = dtt200u_power_ctrl,
298 
299         .rc_interval     = 300,
300         .rc_key_map      = dtt200u_rc_keys,
301         .rc_key_map_size = ARRAY_SIZE(dtt200u_rc_keys),
302         .rc_query        = dtt200u_rc_query,
303 
304         .generic_bulk_ctrl_endpoint = 0x01,
305 
306         .num_device_descs = 1,
307         .devices = {
308                 { .name = "WideView WT-220U PenType Receiver (based on ZL353)",
309                   .cold_ids = { &dtt200u_usb_table[4], NULL },
310                   .warm_ids = { &dtt200u_usb_table[5], NULL },
311                 },
312                 { NULL },
313         }
314 };
315 
316 static struct dvb_usb_device_properties wt220u_miglia_properties = {
317         .usb_ctrl = CYPRESS_FX2,
318         .firmware = "dvb-usb-wt220u-miglia-01.fw",
319 
320         .num_adapters = 1,
321         .generic_bulk_ctrl_endpoint = 0x01,
322 
323         .num_device_descs = 1,
324         .devices = {
325                 { .name = "WideView WT-220U PenType Receiver (Miglia)",
326                   .cold_ids = { &dtt200u_usb_table[9], NULL },
327                   /* This device turns into WT220U_ZL0353_WARM when fw
328                      has been uploaded */
329                   .warm_ids = { NULL },
330                 },
331                 { NULL },
332         }
333 };
334 
335 /* usb specific object needed to register this driver with the usb subsystem */
336 static struct usb_driver dtt200u_usb_driver = {
337         .name           = "dvb_usb_dtt200u",
338         .probe          = dtt200u_usb_probe,
339         .disconnect = dvb_usb_device_exit,
340         .id_table       = dtt200u_usb_table,
341 };
342 
343 /* module stuff */
344 static int __init dtt200u_usb_module_init(void)
345 {
346         int result;
347         if ((result = usb_register(&dtt200u_usb_driver))) {
348                 err("usb_register failed. (%d)",result);
349                 return result;
350         }
351 
352         return 0;
353 }
354 
355 static void __exit dtt200u_usb_module_exit(void)
356 {
357         /* deregister this driver from the USB subsystem */
358         usb_deregister(&dtt200u_usb_driver);
359 }
360 
361 module_init(dtt200u_usb_module_init);
362 module_exit(dtt200u_usb_module_exit);
363 
364 MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@desy.de>");
365 MODULE_DESCRIPTION("Driver for the WideView/Yakumo/Hama/Typhoon/Club3D/Miglia DVB-T USB2.0 devices");
366 MODULE_VERSION("1.0");
367 MODULE_LICENSE("GPL");
368 
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