V4L/DVB (7186): tda10086: make the 22kHz tone for DISEQC a config option
[linux-2.6.git] / drivers / media / dvb / ttpci / budget.c
1 /*
2  * budget.c: driver for the SAA7146 based Budget DVB cards
3  *
4  * Compiled from various sources by Michael Hunold <michael@mihu.de>
5  *
6  * Copyright (C) 2002 Ralph Metzler <rjkm@metzlerbros.de>
7  *
8  * Copyright (C) 1999-2002 Ralph  Metzler
9  *                       & Marcus Metzler for convergence integrated media GmbH
10  *
11  * 26feb2004 Support for FS Activy Card (Grundig tuner) by
12  *           Michael Dreher <michael@5dot1.de>,
13  *           Oliver Endriss <o.endriss@gmx.de> and
14  *           Andreas 'randy' Weinberger
15  *
16  * This program is free software; you can redistribute it and/or
17  * modify it under the terms of the GNU General Public License
18  * as published by the Free Software Foundation; either version 2
19  * of the License, or (at your option) any later version.
20  *
21  *
22  * This program is distributed in the hope that it will be useful,
23  * but WITHOUT ANY WARRANTY; without even the implied warranty of
24  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
25  * GNU General Public License for more details.
26  *
27  *
28  * You should have received a copy of the GNU General Public License
29  * along with this program; if not, write to the Free Software
30  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
31  * Or, point your browser to http://www.gnu.org/copyleft/gpl.html
32  *
33  *
34  * the project's page is at http://www.linuxtv.org/dvb/
35  */
36
37 #include "budget.h"
38 #include "stv0299.h"
39 #include "ves1x93.h"
40 #include "ves1820.h"
41 #include "l64781.h"
42 #include "tda8083.h"
43 #include "s5h1420.h"
44 #include "tda10086.h"
45 #include "tda826x.h"
46 #include "lnbp21.h"
47 #include "bsru6.h"
48
49 static int diseqc_method;
50 module_param(diseqc_method, int, 0444);
51 MODULE_PARM_DESC(diseqc_method, "Select DiSEqC method for subsystem id 13c2:1003, 0: default, 1: more reliable (for newer revisions only)");
52
53 static void Set22K (struct budget *budget, int state)
54 {
55         struct saa7146_dev *dev=budget->dev;
56         dprintk(2, "budget: %p\n", budget);
57         saa7146_setgpio(dev, 3, (state ? SAA7146_GPIO_OUTHI : SAA7146_GPIO_OUTLO));
58 }
59
60 /* Diseqc functions only for TT Budget card */
61 /* taken from the Skyvision DVB driver by
62    Ralph Metzler <rjkm@metzlerbros.de> */
63
64 static void DiseqcSendBit (struct budget *budget, int data)
65 {
66         struct saa7146_dev *dev=budget->dev;
67         dprintk(2, "budget: %p\n", budget);
68
69         saa7146_setgpio(dev, 3, SAA7146_GPIO_OUTHI);
70         udelay(data ? 500 : 1000);
71         saa7146_setgpio(dev, 3, SAA7146_GPIO_OUTLO);
72         udelay(data ? 1000 : 500);
73 }
74
75 static void DiseqcSendByte (struct budget *budget, int data)
76 {
77         int i, par=1, d;
78
79         dprintk(2, "budget: %p\n", budget);
80
81         for (i=7; i>=0; i--) {
82                 d = (data>>i)&1;
83                 par ^= d;
84                 DiseqcSendBit(budget, d);
85         }
86
87         DiseqcSendBit(budget, par);
88 }
89
90 static int SendDiSEqCMsg (struct budget *budget, int len, u8 *msg, unsigned long burst)
91 {
92         struct saa7146_dev *dev=budget->dev;
93         int i;
94
95         dprintk(2, "budget: %p\n", budget);
96
97         saa7146_setgpio(dev, 3, SAA7146_GPIO_OUTLO);
98         mdelay(16);
99
100         for (i=0; i<len; i++)
101                 DiseqcSendByte(budget, msg[i]);
102
103         mdelay(16);
104
105         if (burst!=-1) {
106                 if (burst)
107                         DiseqcSendByte(budget, 0xff);
108                 else {
109                         saa7146_setgpio(dev, 3, SAA7146_GPIO_OUTHI);
110                         udelay(12500);
111                         saa7146_setgpio(dev, 3, SAA7146_GPIO_OUTLO);
112                 }
113                 msleep(20);
114         }
115
116         return 0;
117 }
118
119 /*
120  *   Routines for the Fujitsu Siemens Activy budget card
121  *   22 kHz tone and DiSEqC are handled by the frontend.
122  *   Voltage must be set here.
123  *   GPIO 1: LNBP EN, GPIO 2: LNBP VSEL
124  */
125 static int SetVoltage_Activy (struct budget *budget, fe_sec_voltage_t voltage)
126 {
127         struct saa7146_dev *dev=budget->dev;
128
129         dprintk(2, "budget: %p\n", budget);
130
131         switch (voltage) {
132                 case SEC_VOLTAGE_13:
133                         saa7146_setgpio(dev, 1, SAA7146_GPIO_OUTHI);
134                         saa7146_setgpio(dev, 2, SAA7146_GPIO_OUTLO);
135                         break;
136                 case SEC_VOLTAGE_18:
137                         saa7146_setgpio(dev, 1, SAA7146_GPIO_OUTHI);
138                         saa7146_setgpio(dev, 2, SAA7146_GPIO_OUTHI);
139                         break;
140                 case SEC_VOLTAGE_OFF:
141                         saa7146_setgpio(dev, 1, SAA7146_GPIO_OUTLO);
142                         break;
143                 default:
144                         return -EINVAL;
145         }
146
147         return 0;
148 }
149
150 static int siemens_budget_set_voltage(struct dvb_frontend* fe, fe_sec_voltage_t voltage)
151 {
152         struct budget* budget = (struct budget*) fe->dvb->priv;
153
154         return SetVoltage_Activy (budget, voltage);
155 }
156
157 static int budget_set_tone(struct dvb_frontend* fe, fe_sec_tone_mode_t tone)
158 {
159         struct budget* budget = (struct budget*) fe->dvb->priv;
160
161         switch (tone) {
162         case SEC_TONE_ON:
163                 Set22K (budget, 1);
164                 break;
165
166         case SEC_TONE_OFF:
167                 Set22K (budget, 0);
168                 break;
169
170         default:
171                 return -EINVAL;
172         }
173
174         return 0;
175 }
176
177 static int budget_diseqc_send_master_cmd(struct dvb_frontend* fe, struct dvb_diseqc_master_cmd* cmd)
178 {
179         struct budget* budget = (struct budget*) fe->dvb->priv;
180
181         SendDiSEqCMsg (budget, cmd->msg_len, cmd->msg, 0);
182
183         return 0;
184 }
185
186 static int budget_diseqc_send_burst(struct dvb_frontend* fe, fe_sec_mini_cmd_t minicmd)
187 {
188         struct budget* budget = (struct budget*) fe->dvb->priv;
189
190         SendDiSEqCMsg (budget, 0, NULL, minicmd);
191
192         return 0;
193 }
194
195 static int alps_bsrv2_tuner_set_params(struct dvb_frontend* fe, struct dvb_frontend_parameters* params)
196 {
197         struct budget* budget = (struct budget*) fe->dvb->priv;
198         u8 pwr = 0;
199         u8 buf[4];
200         struct i2c_msg msg = { .addr = 0x61, .flags = 0, .buf = buf, .len = sizeof(buf) };
201         u32 div = (params->frequency + 479500) / 125;
202
203         if (params->frequency > 2000000) pwr = 3;
204         else if (params->frequency > 1800000) pwr = 2;
205         else if (params->frequency > 1600000) pwr = 1;
206         else if (params->frequency > 1200000) pwr = 0;
207         else if (params->frequency >= 1100000) pwr = 1;
208         else pwr = 2;
209
210         buf[0] = (div >> 8) & 0x7f;
211         buf[1] = div & 0xff;
212         buf[2] = ((div & 0x18000) >> 10) | 0x95;
213         buf[3] = (pwr << 6) | 0x30;
214
215         // NOTE: since we're using a prescaler of 2, we set the
216         // divisor frequency to 62.5kHz and divide by 125 above
217
218         if (fe->ops.i2c_gate_ctrl)
219                 fe->ops.i2c_gate_ctrl(fe, 1);
220         if (i2c_transfer (&budget->i2c_adap, &msg, 1) != 1) return -EIO;
221         return 0;
222 }
223
224 static struct ves1x93_config alps_bsrv2_config =
225 {
226         .demod_address = 0x08,
227         .xin = 90100000UL,
228         .invert_pwm = 0,
229 };
230
231 static int alps_tdbe2_tuner_set_params(struct dvb_frontend* fe, struct dvb_frontend_parameters* params)
232 {
233         struct budget* budget = (struct budget*) fe->dvb->priv;
234         u32 div;
235         u8 data[4];
236         struct i2c_msg msg = { .addr = 0x62, .flags = 0, .buf = data, .len = sizeof(data) };
237
238         div = (params->frequency + 35937500 + 31250) / 62500;
239
240         data[0] = (div >> 8) & 0x7f;
241         data[1] = div & 0xff;
242         data[2] = 0x85 | ((div >> 10) & 0x60);
243         data[3] = (params->frequency < 174000000 ? 0x88 : params->frequency < 470000000 ? 0x84 : 0x81);
244
245         if (fe->ops.i2c_gate_ctrl)
246                 fe->ops.i2c_gate_ctrl(fe, 1);
247         if (i2c_transfer (&budget->i2c_adap, &msg, 1) != 1) return -EIO;
248         return 0;
249 }
250
251 static struct ves1820_config alps_tdbe2_config = {
252         .demod_address = 0x09,
253         .xin = 57840000UL,
254         .invert = 1,
255         .selagc = VES1820_SELAGC_SIGNAMPERR,
256 };
257
258 static int grundig_29504_401_tuner_set_params(struct dvb_frontend* fe, struct dvb_frontend_parameters* params)
259 {
260         struct budget* budget = (struct budget*) fe->dvb->priv;
261         u32 div;
262         u8 cfg, cpump, band_select;
263         u8 data[4];
264         struct i2c_msg msg = { .addr = 0x61, .flags = 0, .buf = data, .len = sizeof(data) };
265
266         div = (36125000 + params->frequency) / 166666;
267
268         cfg = 0x88;
269
270         if (params->frequency < 175000000) cpump = 2;
271         else if (params->frequency < 390000000) cpump = 1;
272         else if (params->frequency < 470000000) cpump = 2;
273         else if (params->frequency < 750000000) cpump = 1;
274         else cpump = 3;
275
276         if (params->frequency < 175000000) band_select = 0x0e;
277         else if (params->frequency < 470000000) band_select = 0x05;
278         else band_select = 0x03;
279
280         data[0] = (div >> 8) & 0x7f;
281         data[1] = div & 0xff;
282         data[2] = ((div >> 10) & 0x60) | cfg;
283         data[3] = (cpump << 6) | band_select;
284
285         if (fe->ops.i2c_gate_ctrl)
286                 fe->ops.i2c_gate_ctrl(fe, 1);
287         if (i2c_transfer (&budget->i2c_adap, &msg, 1) != 1) return -EIO;
288         return 0;
289 }
290
291 static struct l64781_config grundig_29504_401_config = {
292         .demod_address = 0x55,
293 };
294
295 static int grundig_29504_451_tuner_set_params(struct dvb_frontend* fe, struct dvb_frontend_parameters* params)
296 {
297         struct budget* budget = (struct budget*) fe->dvb->priv;
298         u32 div;
299         u8 data[4];
300         struct i2c_msg msg = { .addr = 0x61, .flags = 0, .buf = data, .len = sizeof(data) };
301
302         div = params->frequency / 125;
303         data[0] = (div >> 8) & 0x7f;
304         data[1] = div & 0xff;
305         data[2] = 0x8e;
306         data[3] = 0x00;
307
308         if (fe->ops.i2c_gate_ctrl)
309                 fe->ops.i2c_gate_ctrl(fe, 1);
310         if (i2c_transfer (&budget->i2c_adap, &msg, 1) != 1) return -EIO;
311         return 0;
312 }
313
314 static struct tda8083_config grundig_29504_451_config = {
315         .demod_address = 0x68,
316 };
317
318 static int s5h1420_tuner_set_params(struct dvb_frontend* fe, struct dvb_frontend_parameters* params)
319 {
320         struct budget* budget = (struct budget*) fe->dvb->priv;
321         u32 div;
322         u8 data[4];
323         struct i2c_msg msg = { .addr = 0x61, .flags = 0, .buf = data, .len = sizeof(data) };
324
325         div = params->frequency / 1000;
326         data[0] = (div >> 8) & 0x7f;
327         data[1] = div & 0xff;
328         data[2] = 0xc2;
329
330         if (div < 1450)
331                 data[3] = 0x00;
332         else if (div < 1850)
333                 data[3] = 0x40;
334         else if (div < 2000)
335                 data[3] = 0x80;
336         else
337                 data[3] = 0xc0;
338
339         if (fe->ops.i2c_gate_ctrl)
340                 fe->ops.i2c_gate_ctrl(fe, 1);
341         if (i2c_transfer (&budget->i2c_adap, &msg, 1) != 1) return -EIO;
342
343         return 0;
344 }
345
346 static struct s5h1420_config s5h1420_config = {
347         .demod_address = 0x53,
348         .invert = 1,
349 };
350
351 static struct tda10086_config tda10086_config = {
352         .demod_address = 0x0e,
353         .invert = 0,
354         .diseqc_tone = 1,
355 };
356
357 static u8 read_pwm(struct budget* budget)
358 {
359         u8 b = 0xff;
360         u8 pwm;
361         struct i2c_msg msg[] = { { .addr = 0x50,.flags = 0,.buf = &b,.len = 1 },
362                                  { .addr = 0x50,.flags = I2C_M_RD,.buf = &pwm,.len = 1} };
363
364         if ((i2c_transfer(&budget->i2c_adap, msg, 2) != 2) || (pwm == 0xff))
365                 pwm = 0x48;
366
367         return pwm;
368 }
369
370 static void frontend_init(struct budget *budget)
371 {
372         switch(budget->dev->pci->subsystem_device) {
373         case 0x1003: // Hauppauge/TT Nova budget (stv0299/ALPS BSRU6(tsa5059) OR ves1893/ALPS BSRV2(sp5659))
374         case 0x1013:
375                 // try the ALPS BSRV2 first of all
376                 budget->dvb_frontend = dvb_attach(ves1x93_attach, &alps_bsrv2_config, &budget->i2c_adap);
377                 if (budget->dvb_frontend) {
378                         budget->dvb_frontend->ops.tuner_ops.set_params = alps_bsrv2_tuner_set_params;
379                         budget->dvb_frontend->ops.diseqc_send_master_cmd = budget_diseqc_send_master_cmd;
380                         budget->dvb_frontend->ops.diseqc_send_burst = budget_diseqc_send_burst;
381                         budget->dvb_frontend->ops.set_tone = budget_set_tone;
382                         break;
383                 }
384
385                 // try the ALPS BSRU6 now
386                 budget->dvb_frontend = dvb_attach(stv0299_attach, &alps_bsru6_config, &budget->i2c_adap);
387                 if (budget->dvb_frontend) {
388                         budget->dvb_frontend->ops.tuner_ops.set_params = alps_bsru6_tuner_set_params;
389                         budget->dvb_frontend->tuner_priv = &budget->i2c_adap;
390                         if (budget->dev->pci->subsystem_device == 0x1003 && diseqc_method == 0) {
391                                 budget->dvb_frontend->ops.diseqc_send_master_cmd = budget_diseqc_send_master_cmd;
392                                 budget->dvb_frontend->ops.diseqc_send_burst = budget_diseqc_send_burst;
393                                 budget->dvb_frontend->ops.set_tone = budget_set_tone;
394                         }
395                         break;
396                 }
397                 break;
398
399         case 0x1004: // Hauppauge/TT DVB-C budget (ves1820/ALPS TDBE2(sp5659))
400
401                 budget->dvb_frontend = dvb_attach(ves1820_attach, &alps_tdbe2_config, &budget->i2c_adap, read_pwm(budget));
402                 if (budget->dvb_frontend) {
403                         budget->dvb_frontend->ops.tuner_ops.set_params = alps_tdbe2_tuner_set_params;
404                         break;
405                 }
406                 break;
407
408         case 0x1005: // Hauppauge/TT Nova-T budget (L64781/Grundig 29504-401(tsa5060))
409
410                 budget->dvb_frontend = dvb_attach(l64781_attach, &grundig_29504_401_config, &budget->i2c_adap);
411                 if (budget->dvb_frontend) {
412                         budget->dvb_frontend->ops.tuner_ops.set_params = grundig_29504_401_tuner_set_params;
413                         break;
414                 }
415                 break;
416
417         case 0x4f60: // Fujitsu Siemens Activy Budget-S PCI rev AL (stv0299/ALPS BSRU6(tsa5059))
418                 budget->dvb_frontend = dvb_attach(stv0299_attach, &alps_bsru6_config, &budget->i2c_adap);
419                 if (budget->dvb_frontend) {
420                         budget->dvb_frontend->ops.tuner_ops.set_params = alps_bsru6_tuner_set_params;
421                         budget->dvb_frontend->tuner_priv = &budget->i2c_adap;
422                         budget->dvb_frontend->ops.set_voltage = siemens_budget_set_voltage;
423                         budget->dvb_frontend->ops.dishnetwork_send_legacy_command = NULL;
424                 }
425                 break;
426
427         case 0x4f61: // Fujitsu Siemens Activy Budget-S PCI rev GR (tda8083/Grundig 29504-451(tsa5522))
428                 budget->dvb_frontend = dvb_attach(tda8083_attach, &grundig_29504_451_config, &budget->i2c_adap);
429                 if (budget->dvb_frontend) {
430                         budget->dvb_frontend->ops.tuner_ops.set_params = grundig_29504_451_tuner_set_params;
431                         budget->dvb_frontend->ops.set_voltage = siemens_budget_set_voltage;
432                         budget->dvb_frontend->ops.dishnetwork_send_legacy_command = NULL;
433                 }
434                 break;
435
436         case 0x1016: // Hauppauge/TT Nova-S SE (samsung s5h1420/????(tda8260))
437                 budget->dvb_frontend = dvb_attach(s5h1420_attach, &s5h1420_config, &budget->i2c_adap);
438                 if (budget->dvb_frontend) {
439                         budget->dvb_frontend->ops.tuner_ops.set_params = s5h1420_tuner_set_params;
440                         if (dvb_attach(lnbp21_attach, budget->dvb_frontend, &budget->i2c_adap, 0, 0) == NULL) {
441                                 printk("%s: No LNBP21 found!\n", __FUNCTION__);
442                                 goto error_out;
443                         }
444                         break;
445                 }
446
447         case 0x1018: // TT Budget-S-1401 (philips tda10086/philips tda8262)
448                 // gpio2 is connected to CLB - reset it + leave it high
449                 saa7146_setgpio(budget->dev, 2, SAA7146_GPIO_OUTLO);
450                 msleep(1);
451                 saa7146_setgpio(budget->dev, 2, SAA7146_GPIO_OUTHI);
452                 msleep(1);
453
454                 budget->dvb_frontend = dvb_attach(tda10086_attach, &tda10086_config, &budget->i2c_adap);
455                 if (budget->dvb_frontend) {
456                         if (dvb_attach(tda826x_attach, budget->dvb_frontend, 0x60, &budget->i2c_adap, 0) == NULL)
457                                 printk("%s: No tda826x found!\n", __FUNCTION__);
458                         if (dvb_attach(lnbp21_attach, budget->dvb_frontend, &budget->i2c_adap, 0, 0) == NULL) {
459                                 printk("%s: No LNBP21 found!\n", __FUNCTION__);
460                                 goto error_out;
461                         }
462                         break;
463                 }
464         }
465
466         if (budget->dvb_frontend == NULL) {
467                 printk("budget: A frontend driver was not found for device %04x/%04x subsystem %04x/%04x\n",
468                        budget->dev->pci->vendor,
469                        budget->dev->pci->device,
470                        budget->dev->pci->subsystem_vendor,
471                        budget->dev->pci->subsystem_device);
472         } else {
473                 if (dvb_register_frontend(&budget->dvb_adapter, budget->dvb_frontend))
474                         goto error_out;
475         }
476         return;
477
478 error_out:
479         printk("budget: Frontend registration failed!\n");
480         dvb_frontend_detach(budget->dvb_frontend);
481         budget->dvb_frontend = NULL;
482         return;
483 }
484
485 static int budget_attach (struct saa7146_dev* dev, struct saa7146_pci_extension_data *info)
486 {
487         struct budget *budget = NULL;
488         int err;
489
490         budget = kmalloc(sizeof(struct budget), GFP_KERNEL);
491         if( NULL == budget ) {
492                 return -ENOMEM;
493         }
494
495         dprintk(2, "dev:%p, info:%p, budget:%p\n", dev, info, budget);
496
497         dev->ext_priv = budget;
498
499         if ((err = ttpci_budget_init (budget, dev, info, THIS_MODULE))) {
500                 printk("==> failed\n");
501                 kfree (budget);
502                 return err;
503         }
504
505         budget->dvb_adapter.priv = budget;
506         frontend_init(budget);
507
508         ttpci_budget_init_hooks(budget);
509
510         return 0;
511 }
512
513 static int budget_detach (struct saa7146_dev* dev)
514 {
515         struct budget *budget = (struct budget*) dev->ext_priv;
516         int err;
517
518         if (budget->dvb_frontend) {
519                 dvb_unregister_frontend(budget->dvb_frontend);
520                 dvb_frontend_detach(budget->dvb_frontend);
521         }
522
523         err = ttpci_budget_deinit (budget);
524
525         kfree (budget);
526         dev->ext_priv = NULL;
527
528         return err;
529 }
530
531 static struct saa7146_extension budget_extension;
532
533 MAKE_BUDGET_INFO(ttbs,  "TT-Budget/WinTV-NOVA-S  PCI",  BUDGET_TT);
534 MAKE_BUDGET_INFO(ttbc,  "TT-Budget/WinTV-NOVA-C  PCI",  BUDGET_TT);
535 MAKE_BUDGET_INFO(ttbt,  "TT-Budget/WinTV-NOVA-T  PCI",  BUDGET_TT);
536 MAKE_BUDGET_INFO(satel, "SATELCO Multimedia PCI",       BUDGET_TT_HW_DISEQC);
537 MAKE_BUDGET_INFO(ttbs1401, "TT-Budget-S-1401 PCI", BUDGET_TT);
538 MAKE_BUDGET_INFO(fsacs0, "Fujitsu Siemens Activy Budget-S PCI (rev GR/grundig frontend)", BUDGET_FS_ACTIVY);
539 MAKE_BUDGET_INFO(fsacs1, "Fujitsu Siemens Activy Budget-S PCI (rev AL/alps frontend)", BUDGET_FS_ACTIVY);
540
541 static struct pci_device_id pci_tbl[] = {
542         MAKE_EXTENSION_PCI(ttbs,  0x13c2, 0x1003),
543         MAKE_EXTENSION_PCI(ttbc,  0x13c2, 0x1004),
544         MAKE_EXTENSION_PCI(ttbt,  0x13c2, 0x1005),
545         MAKE_EXTENSION_PCI(satel, 0x13c2, 0x1013),
546         MAKE_EXTENSION_PCI(ttbs,  0x13c2, 0x1016),
547         MAKE_EXTENSION_PCI(ttbs1401, 0x13c2, 0x1018),
548         MAKE_EXTENSION_PCI(fsacs1,0x1131, 0x4f60),
549         MAKE_EXTENSION_PCI(fsacs0,0x1131, 0x4f61),
550         {
551                 .vendor    = 0,
552         }
553 };
554
555 MODULE_DEVICE_TABLE(pci, pci_tbl);
556
557 static struct saa7146_extension budget_extension = {
558         .name           = "budget dvb",
559         .flags          = SAA7146_USE_I2C_IRQ,
560
561         .module         = THIS_MODULE,
562         .pci_tbl        = pci_tbl,
563         .attach         = budget_attach,
564         .detach         = budget_detach,
565
566         .irq_mask       = MASK_10,
567         .irq_func       = ttpci_budget_irq10_handler,
568 };
569
570 static int __init budget_init(void)
571 {
572         return saa7146_register_extension(&budget_extension);
573 }
574
575 static void __exit budget_exit(void)
576 {
577         saa7146_unregister_extension(&budget_extension);
578 }
579
580 module_init(budget_init);
581 module_exit(budget_exit);
582
583 MODULE_LICENSE("GPL");
584 MODULE_AUTHOR("Ralph Metzler, Marcus Metzler, Michael Hunold, others");
585 MODULE_DESCRIPTION("driver for the SAA7146 based so-called "
586                    "budget PCI DVB cards by Siemens, Technotrend, Hauppauge");