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 void Set22K (struct budget *budget, int state)
  50 {
  51         struct saa7146_dev *dev=budget->dev;
  52         dprintk(2, "budget: %p\n", budget);
  53         saa7146_setgpio(dev, 3, (state ? SAA7146_GPIO_OUTHI : SAA7146_GPIO_OUTLO));
  54 }
  55
  56 /* Diseqc functions only for TT Budget card */
  57 /* taken from the Skyvision DVB driver by
  58    Ralph Metzler <rjkm@metzlerbros.de> */
  59
  60 static void DiseqcSendBit (struct budget *budget, int data)
  61 {
  62         struct saa7146_dev *dev=budget->dev;
  63         dprintk(2, "budget: %p\n", budget);
  64
  65         saa7146_setgpio(dev, 3, SAA7146_GPIO_OUTHI);
  66         udelay(data ? 500 : 1000);
  67         saa7146_setgpio(dev, 3, SAA7146_GPIO_OUTLO);
  68         udelay(data ? 1000 : 500);
  69 }
  70
  71 static void DiseqcSendByte (struct budget *budget, int data)
  72 {
  73         int i, par=1, d;
  74
  75         dprintk(2, "budget: %p\n", budget);
  76
  77         for (i=7; i>=0; i--) {
  78                 d = (data>>i)&1;
  79                 par ^= d;
  80                 DiseqcSendBit(budget, d);
  81         }
  82
  83         DiseqcSendBit(budget, par);
  84 }
  85
  86 static int SendDiSEqCMsg (struct budget *budget, int len, u8 *msg, unsigned long burst)
  87 {
  88         struct saa7146_dev *dev=budget->dev;
  89         int i;
  90
  91         dprintk(2, "budget: %p\n", budget);
  92
  93         saa7146_setgpio(dev, 3, SAA7146_GPIO_OUTLO);
  94         mdelay(16);
  95
  96         for (i=0; i<len; i++)
  97                 DiseqcSendByte(budget, msg[i]);
  98
  99         mdelay(16);
 100
 101         if (burst!=-1) {
 102                 if (burst)
 103                         DiseqcSendByte(budget, 0xff);
 104                 else {
 105                         saa7146_setgpio(dev, 3, SAA7146_GPIO_OUTHI);
 106                         udelay(12500);
 107                         saa7146_setgpio(dev, 3, SAA7146_GPIO_OUTLO);
 108                 }
 109                 msleep(20);
 110         }
 111
 112         return 0;
 113 }
 114
 115 /*
 116  *   Routines for the Fujitsu Siemens Activy budget card
 117  *   22 kHz tone and DiSEqC are handled by the frontend.
 118  *   Voltage must be set here.
 119  *   GPIO 1: LNBP EN, GPIO 2: LNBP VSEL
 120  */
 121 static int SetVoltage_Activy (struct budget *budget, fe_sec_voltage_t voltage)
 122 {
 123         struct saa7146_dev *dev=budget->dev;
 124
 125         dprintk(2, "budget: %p\n", budget);
 126
 127         switch (voltage) {
 128                 case SEC_VOLTAGE_13:
 129                         saa7146_setgpio(dev, 1, SAA7146_GPIO_OUTHI);
 130                         saa7146_setgpio(dev, 2, SAA7146_GPIO_OUTLO);
 131                         break;
 132                 case SEC_VOLTAGE_18:
 133                         saa7146_setgpio(dev, 1, SAA7146_GPIO_OUTHI);
 134                         saa7146_setgpio(dev, 2, SAA7146_GPIO_OUTHI);
 135                         break;
 136                 case SEC_VOLTAGE_OFF:
 137                         saa7146_setgpio(dev, 1, SAA7146_GPIO_OUTLO);
 138                         break;
 139                 default:
 140                         return -EINVAL;
 141         }
 142
 143         return 0;
 144 }
 145
 146 static int siemens_budget_set_voltage(struct dvb_frontend* fe, fe_sec_voltage_t voltage)
 147 {
 148         struct budget* budget = (struct budget*) fe->dvb->priv;
 149
 150         return SetVoltage_Activy (budget, voltage);
 151 }
 152
 153 static int budget_set_tone(struct dvb_frontend* fe, fe_sec_tone_mode_t tone)
 154 {
 155         struct budget* budget = (struct budget*) fe->dvb->priv;
 156
 157         switch (tone) {
 158         case SEC_TONE_ON:
 159                 Set22K (budget, 1);
 160                 break;
 161
 162         case SEC_TONE_OFF:
 163                 Set22K (budget, 0);
 164                 break;
 165
 166         default:
 167                 return -EINVAL;
 168         }
 169
 170         return 0;
 171 }
 172
 173 static int budget_diseqc_send_master_cmd(struct dvb_frontend* fe, struct dvb_diseqc_master_cmd* cmd)
 174 {
 175         struct budget* budget = (struct budget*) fe->dvb->priv;
 176
 177         SendDiSEqCMsg (budget, cmd->msg_len, cmd->msg, 0);
 178
 179         return 0;
 180 }
 181
 182 static int budget_diseqc_send_burst(struct dvb_frontend* fe, fe_sec_mini_cmd_t minicmd)
 183 {
 184         struct budget* budget = (struct budget*) fe->dvb->priv;
 185
 186         SendDiSEqCMsg (budget, 0, NULL, minicmd);
 187
 188         return 0;
 189 }
 190
 191 static int alps_bsrv2_tuner_set_params(struct dvb_frontend* fe, struct dvb_frontend_parameters* params)
 192 {
 193         struct budget* budget = (struct budget*) fe->dvb->priv;
 194         u8 pwr = 0;
 195         u8 buf[4];
 196         struct i2c_msg msg = { .addr = 0x61, .flags = 0, .buf = buf, .len = sizeof(buf) };
 197         u32 div = (params->frequency + 479500) / 125;
 198
 199         if (params->frequency > 2000000) pwr = 3;
 200         else if (params->frequency > 1800000) pwr = 2;
 201         else if (params->frequency > 1600000) pwr = 1;
 202         else if (params->frequency > 1200000) pwr = 0;
 203         else if (params->frequency >= 1100000) pwr = 1;
 204         else pwr = 2;
 205
 206         buf[0] = (div >> 8) & 0x7f;
 207         buf[1] = div & 0xff;
 208         buf[2] = ((div & 0x18000) >> 10) | 0x95;
 209         buf[3] = (pwr << 6) | 0x30;
 210
 211         // NOTE: since we're using a prescaler of 2, we set the
 212         // divisor frequency to 62.5kHz and divide by 125 above
 213
 214         if (fe->ops.i2c_gate_ctrl)
 215                 fe->ops.i2c_gate_ctrl(fe, 1);
 216         if (i2c_transfer (&budget->i2c_adap, &msg, 1) != 1) return -EIO;
 217         return 0;
 218 }
 219
 220 static struct ves1x93_config alps_bsrv2_config =
 221 {
 222         .demod_address = 0x08,
 223         .xin = 90100000UL,
 224         .invert_pwm = 0,
 225 };
 226
 227 static int alps_tdbe2_tuner_set_params(struct dvb_frontend* fe, struct dvb_frontend_parameters* params)
 228 {
 229         struct budget* budget = (struct budget*) fe->dvb->priv;
 230         u32 div;
 231         u8 data[4];
 232         struct i2c_msg msg = { .addr = 0x62, .flags = 0, .buf = data, .len = sizeof(data) };
 233
 234         div = (params->frequency + 35937500 + 31250) / 62500;
 235
 236         data[0] = (div >> 8) & 0x7f;
 237         data[1] = div & 0xff;
 238         data[2] = 0x85 | ((div >> 10) & 0x60);
 239         data[3] = (params->frequency < 174000000 ? 0x88 : params->frequency < 470000000 ? 0x84 : 0x81);
 240
 241         if (fe->ops.i2c_gate_ctrl)
 242                 fe->ops.i2c_gate_ctrl(fe, 1);
 243         if (i2c_transfer (&budget->i2c_adap, &msg, 1) != 1) return -EIO;
 244         return 0;
 245 }
 246
 247 static struct ves1820_config alps_tdbe2_config = {
 248         .demod_address = 0x09,
 249         .xin = 57840000UL,
 250         .invert = 1,
 251         .selagc = VES1820_SELAGC_SIGNAMPERR,
 252 };
 253
 254 static int grundig_29504_401_tuner_set_params(struct dvb_frontend* fe, struct dvb_frontend_parameters* params)
 255 {
 256         struct budget* budget = (struct budget*) fe->dvb->priv;
 257         u32 div;
 258         u8 cfg, cpump, band_select;
 259         u8 data[4];
 260         struct i2c_msg msg = { .addr = 0x61, .flags = 0, .buf = data, .len = sizeof(data) };
 261
 262         div = (36125000 + params->frequency) / 166666;
 263
 264         cfg = 0x88;
 265
 266         if (params->frequency < 175000000) cpump = 2;
 267         else if (params->frequency < 390000000) cpump = 1;
 268         else if (params->frequency < 470000000) cpump = 2;
 269         else if (params->frequency < 750000000) cpump = 1;
 270         else cpump = 3;
 271
 272         if (params->frequency < 175000000) band_select = 0x0e;
 273         else if (params->frequency < 470000000) band_select = 0x05;
 274         else band_select = 0x03;
 275
 276         data[0] = (div >> 8) & 0x7f;
 277         data[1] = div & 0xff;
 278         data[2] = ((div >> 10) & 0x60) | cfg;
 279         data[3] = (cpump << 6) | band_select;
 280
 281         if (fe->ops.i2c_gate_ctrl)
 282                 fe->ops.i2c_gate_ctrl(fe, 1);
 283         if (i2c_transfer (&budget->i2c_adap, &msg, 1) != 1) return -EIO;
 284         return 0;
 285 }
 286
 287 static struct l64781_config grundig_29504_401_config = {
 288         .demod_address = 0x55,
 289 };
 290
 291 static int grundig_29504_451_tuner_set_params(struct dvb_frontend* fe, struct dvb_frontend_parameters* params)
 292 {
 293         struct budget* budget = (struct budget*) fe->dvb->priv;
 294         u32 div;
 295         u8 data[4];
 296         struct i2c_msg msg = { .addr = 0x61, .flags = 0, .buf = data, .len = sizeof(data) };
 297
 298         div = params->frequency / 125;
 299         data[0] = (div >> 8) & 0x7f;
 300         data[1] = div & 0xff;
 301         data[2] = 0x8e;
 302         data[3] = 0x00;
 303
 304         if (fe->ops.i2c_gate_ctrl)
 305                 fe->ops.i2c_gate_ctrl(fe, 1);
 306         if (i2c_transfer (&budget->i2c_adap, &msg, 1) != 1) return -EIO;
 307         return 0;
 308 }
 309
 310 static struct tda8083_config grundig_29504_451_config = {
 311         .demod_address = 0x68,
 312 };
 313
 314 static int s5h1420_tuner_set_params(struct dvb_frontend* fe, struct dvb_frontend_parameters* params)
 315 {
 316         struct budget* budget = (struct budget*) fe->dvb->priv;
 317         u32 div;
 318         u8 data[4];
 319         struct i2c_msg msg = { .addr = 0x61, .flags = 0, .buf = data, .len = sizeof(data) };
 320
 321         div = params->frequency / 1000;
 322         data[0] = (div >> 8) & 0x7f;
 323         data[1] = div & 0xff;
 324         data[2] = 0xc2;
 325
 326         if (div < 1450)
 327                 data[3] = 0x00;
 328         else if (div < 1850)
 329                 data[3] = 0x40;
 330         else if (div < 2000)
 331                 data[3] = 0x80;
 332         else
 333                 data[3] = 0xc0;
 334
 335         if (fe->ops.i2c_gate_ctrl)
 336                 fe->ops.i2c_gate_ctrl(fe, 1);
 337         if (i2c_transfer (&budget->i2c_adap, &msg, 1) != 1) return -EIO;
 338
 339         return 0;
 340 }
 341
 342 static struct s5h1420_config s5h1420_config = {
 343         .demod_address = 0x53,
 344         .invert = 1,
 345 };
 346
 347 static struct tda10086_config tda10086_config = {
 348         .demod_address = 0x0e,
 349         .invert = 0,
 350 };
 351
 352 static u8 read_pwm(struct budget* budget)
 353 {
 354         u8 b = 0xff;
 355         u8 pwm;
 356         struct i2c_msg msg[] = { { .addr = 0x50,.flags = 0,.buf = &b,.len = 1 },
 357                                  { .addr = 0x50,.flags = I2C_M_RD,.buf = &pwm,.len = 1} };
 358
 359         if ((i2c_transfer(&budget->i2c_adap, msg, 2) != 2) || (pwm == 0xff))
 360                 pwm = 0x48;
 361
 362         return pwm;
 363 }
 364
 365 static void frontend_init(struct budget *budget)
 366 {
 367         switch(budget->dev->pci->subsystem_device) {
 368         case 0x1003: // Hauppauge/TT Nova budget (stv0299/ALPS BSRU6(tsa5059) OR ves1893/ALPS BSRV2(sp5659))
 369         case 0x1013:
 370                 // try the ALPS BSRV2 first of all
 371                 budget->dvb_frontend = dvb_attach(ves1x93_attach, &alps_bsrv2_config, &budget->i2c_adap);
 372                 if (budget->dvb_frontend) {
 373                         budget->dvb_frontend->ops.tuner_ops.set_params = alps_bsrv2_tuner_set_params;
 374                         budget->dvb_frontend->ops.diseqc_send_master_cmd = budget_diseqc_send_master_cmd;
 375                         budget->dvb_frontend->ops.diseqc_send_burst = budget_diseqc_send_burst;
 376                         budget->dvb_frontend->ops.set_tone = budget_set_tone;
 377                         break;
 378                 }
 379
 380                 // try the ALPS BSRU6 now
 381                 budget->dvb_frontend = dvb_attach(stv0299_attach, &alps_bsru6_config, &budget->i2c_adap);
 382                 if (budget->dvb_frontend) {
 383                         budget->dvb_frontend->ops.tuner_ops.set_params = alps_bsru6_tuner_set_params;
 384                         budget->dvb_frontend->tuner_priv = &budget->i2c_adap;
 385                         break;
 386                 }
 387                 break;
 388
 389         case 0x1004: // Hauppauge/TT DVB-C budget (ves1820/ALPS TDBE2(sp5659))
 390
 391                 budget->dvb_frontend = dvb_attach(ves1820_attach, &alps_tdbe2_config, &budget->i2c_adap, read_pwm(budget));
 392                 if (budget->dvb_frontend) {
 393                         budget->dvb_frontend->ops.tuner_ops.set_params = alps_tdbe2_tuner_set_params;
 394                         break;
 395                 }
 396                 break;
 397
 398         case 0x1005: // Hauppauge/TT Nova-T budget (L64781/Grundig 29504-401(tsa5060))
 399
 400                 budget->dvb_frontend = dvb_attach(l64781_attach, &grundig_29504_401_config, &budget->i2c_adap);
 401                 if (budget->dvb_frontend) {
 402                         budget->dvb_frontend->ops.tuner_ops.set_params = grundig_29504_401_tuner_set_params;
 403                         break;
 404                 }
 405                 break;
 406
 407         case 0x4f60: // Fujitsu Siemens Activy Budget-S PCI rev AL (stv0299/ALPS BSRU6(tsa5059))
 408                 budget->dvb_frontend = dvb_attach(stv0299_attach, &alps_bsru6_config, &budget->i2c_adap);
 409                 if (budget->dvb_frontend) {
 410                         budget->dvb_frontend->ops.tuner_ops.set_params = alps_bsru6_tuner_set_params;
 411                         budget->dvb_frontend->tuner_priv = &budget->i2c_adap;
 412                         budget->dvb_frontend->ops.set_voltage = siemens_budget_set_voltage;
 413                         budget->dvb_frontend->ops.dishnetwork_send_legacy_command = NULL;
 414                 }
 415                 break;
 416
 417         case 0x4f61: // Fujitsu Siemens Activy Budget-S PCI rev GR (tda8083/Grundig 29504-451(tsa5522))
 418                 budget->dvb_frontend = dvb_attach(tda8083_attach, &grundig_29504_451_config, &budget->i2c_adap);
 419                 if (budget->dvb_frontend) {
 420                         budget->dvb_frontend->ops.tuner_ops.set_params = grundig_29504_451_tuner_set_params;
 421                         budget->dvb_frontend->ops.set_voltage = siemens_budget_set_voltage;
 422                         budget->dvb_frontend->ops.dishnetwork_send_legacy_command = NULL;
 423                 }
 424                 break;
 425
 426         case 0x1016: // Hauppauge/TT Nova-S SE (samsung s5h1420/????(tda8260))
 427                 budget->dvb_frontend = dvb_attach(s5h1420_attach, &s5h1420_config, &budget->i2c_adap);
 428                 if (budget->dvb_frontend) {
 429                         budget->dvb_frontend->ops.tuner_ops.set_params = s5h1420_tuner_set_params;
 430                         if (dvb_attach(lnbp21_attach, budget->dvb_frontend, &budget->i2c_adap, 0, 0) == NULL) {
 431                                 printk("%s: No LNBP21 found!\n", __FUNCTION__);
 432                                 goto error_out;
 433                         }
 434                         break;
 435                 }
 436
 437         case 0x1018: // TT Budget-S-1401 (philips tda10086/philips tda8262)
 438                 // gpio2 is connected to CLB - reset it + leave it high
 439                 saa7146_setgpio(budget->dev, 2, SAA7146_GPIO_OUTLO);
 440                 msleep(1);
 441                 saa7146_setgpio(budget->dev, 2, SAA7146_GPIO_OUTHI);
 442                 msleep(1);
 443
 444                 budget->dvb_frontend = dvb_attach(tda10086_attach, &tda10086_config, &budget->i2c_adap);
 445                 if (budget->dvb_frontend) {
 446                         if (dvb_attach(tda826x_attach, budget->dvb_frontend, 0x60, &budget->i2c_adap, 0) == NULL)
 447                                 printk("%s: No tda826x found!\n", __FUNCTION__);
 448                         if (dvb_attach(lnbp21_attach, budget->dvb_frontend, &budget->i2c_adap, 0, 0) == NULL) {
 449                                 printk("%s: No LNBP21 found!\n", __FUNCTION__);
 450                                 goto error_out;
 451                         }
 452                         break;
 453                 }
 454         }
 455
 456         if (budget->dvb_frontend == NULL) {
 457                 printk("budget: A frontend driver was not found for device %04x/%04x subsystem %04x/%04x\n",
 458                        budget->dev->pci->vendor,
 459                        budget->dev->pci->device,
 460                        budget->dev->pci->subsystem_vendor,
 461                        budget->dev->pci->subsystem_device);
 462         } else {
 463                 if (dvb_register_frontend(&budget->dvb_adapter, budget->dvb_frontend))
 464                         goto error_out;
 465         }
 466         return;
 467
 468 error_out:
 469         printk("budget: Frontend registration failed!\n");
 470         dvb_frontend_detach(budget->dvb_frontend);
 471         budget->dvb_frontend = NULL;
 472         return;
 473 }
 474
 475 static int budget_attach (struct saa7146_dev* dev, struct saa7146_pci_extension_data *info)
 476 {
 477         struct budget *budget = NULL;
 478         int err;
 479
 480         budget = kmalloc(sizeof(struct budget), GFP_KERNEL);
 481         if( NULL == budget ) {
 482                 return -ENOMEM;
 483         }
 484
 485         dprintk(2, "dev:%p, info:%p, budget:%p\n", dev, info, budget);
 486
 487         dev->ext_priv = budget;
 488
 489         if ((err = ttpci_budget_init (budget, dev, info, THIS_MODULE))) {
 490                 printk("==> failed\n");
 491                 kfree (budget);
 492                 return err;
 493         }
 494
 495         budget->dvb_adapter.priv = budget;
 496         frontend_init(budget);
 497
 498         ttpci_budget_init_hooks(budget);
 499
 500         return 0;
 501 }
 502
 503 static int budget_detach (struct saa7146_dev* dev)
 504 {
 505         struct budget *budget = (struct budget*) dev->ext_priv;
 506         int err;
 507
 508         if (budget->dvb_frontend) {
 509                 dvb_unregister_frontend(budget->dvb_frontend);
 510                 dvb_frontend_detach(budget->dvb_frontend);
 511         }
 512
 513         err = ttpci_budget_deinit (budget);
 514
 515         kfree (budget);
 516         dev->ext_priv = NULL;
 517
 518         return err;
 519 }
 520
 521 static struct saa7146_extension budget_extension;
 522
 523 MAKE_BUDGET_INFO(ttbs,  "TT-Budget/WinTV-NOVA-S  PCI",  BUDGET_TT);
 524 MAKE_BUDGET_INFO(ttbc,  "TT-Budget/WinTV-NOVA-C  PCI",  BUDGET_TT);
 525 MAKE_BUDGET_INFO(ttbt,  "TT-Budget/WinTV-NOVA-T  PCI",  BUDGET_TT);
 526 MAKE_BUDGET_INFO(satel, "SATELCO Multimedia PCI",       BUDGET_TT_HW_DISEQC);
 527 MAKE_BUDGET_INFO(ttbs1401, "TT-Budget-S-1401 PCI", BUDGET_TT);
 528 MAKE_BUDGET_INFO(fsacs0, "Fujitsu Siemens Activy Budget-S PCI (rev GR/grundig frontend)", BUDGET_FS_ACTIVY);
 529 MAKE_BUDGET_INFO(fsacs1, "Fujitsu Siemens Activy Budget-S PCI (rev AL/alps frontend)", BUDGET_FS_ACTIVY);
 530
 531 static struct pci_device_id pci_tbl[] = {
 532         MAKE_EXTENSION_PCI(ttbs,  0x13c2, 0x1003),
 533         MAKE_EXTENSION_PCI(ttbc,  0x13c2, 0x1004),
 534         MAKE_EXTENSION_PCI(ttbt,  0x13c2, 0x1005),
 535         MAKE_EXTENSION_PCI(satel, 0x13c2, 0x1013),
 536         MAKE_EXTENSION_PCI(ttbs,  0x13c2, 0x1016),
 537         MAKE_EXTENSION_PCI(ttbs1401, 0x13c2, 0x1018),
 538         MAKE_EXTENSION_PCI(fsacs1,0x1131, 0x4f60),
 539         MAKE_EXTENSION_PCI(fsacs0,0x1131, 0x4f61),
 540         {
 541                 .vendor    = 0,
 542         }
 543 };
 544
 545 MODULE_DEVICE_TABLE(pci, pci_tbl);
 546
 547 static struct saa7146_extension budget_extension = {
 548         .name           = "budget dvb",
 549         .flags          = SAA7146_I2C_SHORT_DELAY,
 550
 551         .module         = THIS_MODULE,
 552         .pci_tbl        = pci_tbl,
 553         .attach         = budget_attach,
 554         .detach         = budget_detach,
 555
 556         .irq_mask       = MASK_10,
 557         .irq_func       = ttpci_budget_irq10_handler,
 558 };
 559
 560 static int __init budget_init(void)
 561 {
 562         return saa7146_register_extension(&budget_extension);
 563 }
 564
 565 static void __exit budget_exit(void)
 566 {
 567         saa7146_unregister_extension(&budget_extension);
 568 }
 569
 570 module_init(budget_init);
 571 module_exit(budget_exit);
 572
 573 MODULE_LICENSE("GPL");
 574 MODULE_AUTHOR("Ralph Metzler, Marcus Metzler, Michael Hunold, others");
 575 MODULE_DESCRIPTION("driver for the SAA7146 based so-called "
 576                    "budget PCI DVB cards by Siemens, Technotrend, Hauppauge");