1 /* 2 DVB device driver for cx231xx 3 4 Copyright (C) 2008 <srinivasa.deevi at conexant dot com> 5 Based on em28xx driver 6 7 This program is free software; you can redistribute it and/or modify 8 it under the terms of the GNU General Public License as published by 9 the Free Software Foundation; either version 2 of the License, or 10 (at your option) any later version. 11 12 This program is distributed in the hope that it will be useful, 13 but WITHOUT ANY WARRANTY; without even the implied warranty of 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 GNU General Public License for more details. 16 17 You should have received a copy of the GNU General Public License 18 along with this program; if not, write to the Free Software 19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 20 */ 21 22 #include <linux/kernel.h> 23 #include <linux/slab.h> 24 #include <linux/usb.h> 25 26 #include "cx231xx.h" 27 #include <media/v4l2-common.h> 28 #include <media/videobuf-vmalloc.h> 29 30 #include "xc5000.h" 31 #include "s5h1432.h" 32 #include "tda18271.h" 33 #include "s5h1411.h" 34 #include "lgdt3305.h" 35 #include "mb86a20s.h" 36 37 MODULE_DESCRIPTION("driver for cx231xx based DVB cards"); 38 MODULE_AUTHOR("Srinivasa Deevi <srinivasa.deevi@conexant.com>"); 39 MODULE_LICENSE("GPL"); 40 41 static unsigned int debug; 42 module_param(debug, int, 0644); 43 MODULE_PARM_DESC(debug, "enable debug messages [dvb]"); 44 45 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); 46 47 #define dprintk(level, fmt, arg...) do { \ 48 if (debug >= level) \ 49 printk(KERN_DEBUG "%s/2-dvb: " fmt, dev->name, ## arg); \ 50 } while (0) 51 52 #define CX231XX_DVB_NUM_BUFS 5 53 #define CX231XX_DVB_MAX_PACKETSIZE 564 54 #define CX231XX_DVB_MAX_PACKETS 64 55 56 struct cx231xx_dvb { 57 struct dvb_frontend *frontend; 58 59 /* feed count management */ 60 struct mutex lock; 61 int nfeeds; 62 63 /* general boilerplate stuff */ 64 struct dvb_adapter adapter; 65 struct dvb_demux demux; 66 struct dmxdev dmxdev; 67 struct dmx_frontend fe_hw; 68 struct dmx_frontend fe_mem; 69 struct dvb_net net; 70 }; 71 72 static struct s5h1432_config dvico_s5h1432_config = { 73 .output_mode = S5H1432_SERIAL_OUTPUT, 74 .gpio = S5H1432_GPIO_ON, 75 .qam_if = S5H1432_IF_4000, 76 .vsb_if = S5H1432_IF_4000, 77 .inversion = S5H1432_INVERSION_OFF, 78 .status_mode = S5H1432_DEMODLOCKING, 79 .mpeg_timing = S5H1432_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK, 80 }; 81 82 static struct tda18271_std_map cnxt_rde253s_tda18271_std_map = { 83 .dvbt_6 = { .if_freq = 4000, .agc_mode = 3, .std = 4, 84 .if_lvl = 1, .rfagc_top = 0x37, }, 85 .dvbt_7 = { .if_freq = 4000, .agc_mode = 3, .std = 5, 86 .if_lvl = 1, .rfagc_top = 0x37, }, 87 .dvbt_8 = { .if_freq = 4000, .agc_mode = 3, .std = 6, 88 .if_lvl = 1, .rfagc_top = 0x37, }, 89 }; 90 91 static struct tda18271_std_map mb86a20s_tda18271_config = { 92 .dvbt_6 = { .if_freq = 4000, .agc_mode = 3, .std = 4, 93 .if_lvl = 0, .rfagc_top = 0x37, }, 94 }; 95 96 static struct tda18271_config cnxt_rde253s_tunerconfig = { 97 .std_map = &cnxt_rde253s_tda18271_std_map, 98 .gate = TDA18271_GATE_ANALOG, 99 }; 100 101 static struct s5h1411_config tda18271_s5h1411_config = { 102 .output_mode = S5H1411_SERIAL_OUTPUT, 103 .gpio = S5H1411_GPIO_OFF, 104 .vsb_if = S5H1411_IF_3250, 105 .qam_if = S5H1411_IF_4000, 106 .inversion = S5H1411_INVERSION_ON, 107 .status_mode = S5H1411_DEMODLOCKING, 108 .mpeg_timing = S5H1411_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK, 109 }; 110 static struct s5h1411_config xc5000_s5h1411_config = { 111 .output_mode = S5H1411_SERIAL_OUTPUT, 112 .gpio = S5H1411_GPIO_OFF, 113 .vsb_if = S5H1411_IF_3250, 114 .qam_if = S5H1411_IF_3250, 115 .inversion = S5H1411_INVERSION_OFF, 116 .status_mode = S5H1411_DEMODLOCKING, 117 .mpeg_timing = S5H1411_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK, 118 }; 119 120 static struct lgdt3305_config hcw_lgdt3305_config = { 121 .i2c_addr = 0x0e, 122 .mpeg_mode = LGDT3305_MPEG_SERIAL, 123 .tpclk_edge = LGDT3305_TPCLK_FALLING_EDGE, 124 .tpvalid_polarity = LGDT3305_TP_VALID_HIGH, 125 .deny_i2c_rptr = 1, 126 .spectral_inversion = 1, 127 .qam_if_khz = 4000, 128 .vsb_if_khz = 3250, 129 }; 130 131 static struct tda18271_std_map hauppauge_tda18271_std_map = { 132 .atsc_6 = { .if_freq = 3250, .agc_mode = 3, .std = 4, 133 .if_lvl = 1, .rfagc_top = 0x58, }, 134 .qam_6 = { .if_freq = 4000, .agc_mode = 3, .std = 5, 135 .if_lvl = 1, .rfagc_top = 0x58, }, 136 }; 137 138 static struct tda18271_config hcw_tda18271_config = { 139 .std_map = &hauppauge_tda18271_std_map, 140 .gate = TDA18271_GATE_DIGITAL, 141 }; 142 143 static const struct mb86a20s_config pv_mb86a20s_config = { 144 .demod_address = 0x10, 145 .is_serial = true, 146 }; 147 148 static struct tda18271_config pv_tda18271_config = { 149 .std_map = &mb86a20s_tda18271_config, 150 .gate = TDA18271_GATE_DIGITAL, 151 .small_i2c = TDA18271_03_BYTE_CHUNK_INIT, 152 }; 153 154 static inline void print_err_status(struct cx231xx *dev, int packet, int status) 155 { 156 char *errmsg = "Unknown"; 157 158 switch (status) { 159 case -ENOENT: 160 errmsg = "unlinked synchronuously"; 161 break; 162 case -ECONNRESET: 163 errmsg = "unlinked asynchronuously"; 164 break; 165 case -ENOSR: 166 errmsg = "Buffer error (overrun)"; 167 break; 168 case -EPIPE: 169 errmsg = "Stalled (device not responding)"; 170 break; 171 case -EOVERFLOW: 172 errmsg = "Babble (bad cable?)"; 173 break; 174 case -EPROTO: 175 errmsg = "Bit-stuff error (bad cable?)"; 176 break; 177 case -EILSEQ: 178 errmsg = "CRC/Timeout (could be anything)"; 179 break; 180 case -ETIME: 181 errmsg = "Device does not respond"; 182 break; 183 } 184 if (packet < 0) { 185 dprintk(1, "URB status %d [%s].\n", status, errmsg); 186 } else { 187 dprintk(1, "URB packet %d, status %d [%s].\n", 188 packet, status, errmsg); 189 } 190 } 191 192 static inline int dvb_isoc_copy(struct cx231xx *dev, struct urb *urb) 193 { 194 int i; 195 196 if (!dev) 197 return 0; 198 199 if (dev->state & DEV_DISCONNECTED) 200 return 0; 201 202 if (urb->status < 0) { 203 print_err_status(dev, -1, urb->status); 204 if (urb->status == -ENOENT) 205 return 0; 206 } 207 208 for (i = 0; i < urb->number_of_packets; i++) { 209 int status = urb->iso_frame_desc[i].status; 210 211 if (status < 0) { 212 print_err_status(dev, i, status); 213 if (urb->iso_frame_desc[i].status != -EPROTO) 214 continue; 215 } 216 217 dvb_dmx_swfilter(&dev->dvb->demux, 218 urb->transfer_buffer + 219 urb->iso_frame_desc[i].offset, 220 urb->iso_frame_desc[i].actual_length); 221 } 222 223 return 0; 224 } 225 226 static inline int dvb_bulk_copy(struct cx231xx *dev, struct urb *urb) 227 { 228 if (!dev) 229 return 0; 230 231 if (dev->state & DEV_DISCONNECTED) 232 return 0; 233 234 if (urb->status < 0) { 235 print_err_status(dev, -1, urb->status); 236 if (urb->status == -ENOENT) 237 return 0; 238 } 239 240 /* Feed the transport payload into the kernel demux */ 241 dvb_dmx_swfilter(&dev->dvb->demux, 242 urb->transfer_buffer, urb->actual_length); 243 244 return 0; 245 } 246 247 static int start_streaming(struct cx231xx_dvb *dvb) 248 { 249 int rc; 250 struct cx231xx *dev = dvb->adapter.priv; 251 252 if (dev->USE_ISO) { 253 cx231xx_info("DVB transfer mode is ISO.\n"); 254 mutex_lock(&dev->i2c_lock); 255 cx231xx_enable_i2c_port_3(dev, false); 256 cx231xx_set_alt_setting(dev, INDEX_TS1, 4); 257 cx231xx_enable_i2c_port_3(dev, true); 258 mutex_unlock(&dev->i2c_lock); 259 rc = cx231xx_set_mode(dev, CX231XX_DIGITAL_MODE); 260 if (rc < 0) 261 return rc; 262 dev->mode_tv = 1; 263 return cx231xx_init_isoc(dev, CX231XX_DVB_MAX_PACKETS, 264 CX231XX_DVB_NUM_BUFS, 265 dev->ts1_mode.max_pkt_size, 266 dvb_isoc_copy); 267 } else { 268 cx231xx_info("DVB transfer mode is BULK.\n"); 269 cx231xx_set_alt_setting(dev, INDEX_TS1, 0); 270 rc = cx231xx_set_mode(dev, CX231XX_DIGITAL_MODE); 271 if (rc < 0) 272 return rc; 273 dev->mode_tv = 1; 274 return cx231xx_init_bulk(dev, CX231XX_DVB_MAX_PACKETS, 275 CX231XX_DVB_NUM_BUFS, 276 dev->ts1_mode.max_pkt_size, 277 dvb_bulk_copy); 278 } 279 280 } 281 282 static int stop_streaming(struct cx231xx_dvb *dvb) 283 { 284 struct cx231xx *dev = dvb->adapter.priv; 285 286 if (dev->USE_ISO) 287 cx231xx_uninit_isoc(dev); 288 else 289 cx231xx_uninit_bulk(dev); 290 291 cx231xx_set_mode(dev, CX231XX_SUSPEND); 292 293 return 0; 294 } 295 296 static int start_feed(struct dvb_demux_feed *feed) 297 { 298 struct dvb_demux *demux = feed->demux; 299 struct cx231xx_dvb *dvb = demux->priv; 300 int rc, ret; 301 302 if (!demux->dmx.frontend) 303 return -EINVAL; 304 305 mutex_lock(&dvb->lock); 306 dvb->nfeeds++; 307 rc = dvb->nfeeds; 308 309 if (dvb->nfeeds == 1) { 310 ret = start_streaming(dvb); 311 if (ret < 0) 312 rc = ret; 313 } 314 315 mutex_unlock(&dvb->lock); 316 return rc; 317 } 318 319 static int stop_feed(struct dvb_demux_feed *feed) 320 { 321 struct dvb_demux *demux = feed->demux; 322 struct cx231xx_dvb *dvb = demux->priv; 323 int err = 0; 324 325 mutex_lock(&dvb->lock); 326 dvb->nfeeds--; 327 328 if (0 == dvb->nfeeds) 329 err = stop_streaming(dvb); 330 331 mutex_unlock(&dvb->lock); 332 return err; 333 } 334 335 /* ------------------------------------------------------------------ */ 336 static int cx231xx_dvb_bus_ctrl(struct dvb_frontend *fe, int acquire) 337 { 338 struct cx231xx *dev = fe->dvb->priv; 339 340 if (acquire) 341 return cx231xx_set_mode(dev, CX231XX_DIGITAL_MODE); 342 else 343 return cx231xx_set_mode(dev, CX231XX_SUSPEND); 344 } 345 346 /* ------------------------------------------------------------------ */ 347 348 static struct xc5000_config cnxt_rde250_tunerconfig = { 349 .i2c_address = 0x61, 350 .if_khz = 4000, 351 }; 352 static struct xc5000_config cnxt_rdu250_tunerconfig = { 353 .i2c_address = 0x61, 354 .if_khz = 3250, 355 }; 356 357 /* ------------------------------------------------------------------ */ 358 #if 0 359 static int attach_xc5000(u8 addr, struct cx231xx *dev) 360 { 361 362 struct dvb_frontend *fe; 363 struct xc5000_config cfg; 364 365 memset(&cfg, 0, sizeof(cfg)); 366 cfg.i2c_adap = &dev->i2c_bus[dev->board.tuner_i2c_master].i2c_adap; 367 cfg.i2c_addr = addr; 368 369 if (!dev->dvb->frontend) { 370 printk(KERN_ERR "%s/2: dvb frontend not attached. " 371 "Can't attach xc5000\n", dev->name); 372 return -EINVAL; 373 } 374 375 fe = dvb_attach(xc5000_attach, dev->dvb->frontend, &cfg); 376 if (!fe) { 377 printk(KERN_ERR "%s/2: xc5000 attach failed\n", dev->name); 378 dvb_frontend_detach(dev->dvb->frontend); 379 dev->dvb->frontend = NULL; 380 return -EINVAL; 381 } 382 383 printk(KERN_INFO "%s/2: xc5000 attached\n", dev->name); 384 385 return 0; 386 } 387 #endif 388 389 int cx231xx_set_analog_freq(struct cx231xx *dev, u32 freq) 390 { 391 int status = 0; 392 393 if ((dev->dvb != NULL) && (dev->dvb->frontend != NULL)) { 394 395 struct dvb_tuner_ops *dops = &dev->dvb->frontend->ops.tuner_ops; 396 397 if (dops->set_analog_params != NULL) { 398 struct analog_parameters params; 399 400 params.frequency = freq; 401 params.std = dev->norm; 402 params.mode = 0; /* 0- Air; 1 - cable */ 403 /*params.audmode = ; */ 404 405 /* Set the analog parameters to set the frequency */ 406 dops->set_analog_params(dev->dvb->frontend, ¶ms); 407 } 408 409 } 410 411 return status; 412 } 413 414 int cx231xx_reset_analog_tuner(struct cx231xx *dev) 415 { 416 int status = 0; 417 418 if ((dev->dvb != NULL) && (dev->dvb->frontend != NULL)) { 419 420 struct dvb_tuner_ops *dops = &dev->dvb->frontend->ops.tuner_ops; 421 422 if (dops->init != NULL && !dev->xc_fw_load_done) { 423 424 cx231xx_info("Reloading firmware for XC5000\n"); 425 status = dops->init(dev->dvb->frontend); 426 if (status == 0) { 427 dev->xc_fw_load_done = 1; 428 cx231xx_info 429 ("XC5000 firmware download completed\n"); 430 } else { 431 dev->xc_fw_load_done = 0; 432 cx231xx_info 433 ("XC5000 firmware download failed !!!\n"); 434 } 435 } 436 437 } 438 439 return status; 440 } 441 442 /* ------------------------------------------------------------------ */ 443 444 static int register_dvb(struct cx231xx_dvb *dvb, 445 struct module *module, 446 struct cx231xx *dev, struct device *device) 447 { 448 int result; 449 450 mutex_init(&dvb->lock); 451 452 /* register adapter */ 453 result = dvb_register_adapter(&dvb->adapter, dev->name, module, device, 454 adapter_nr); 455 if (result < 0) { 456 printk(KERN_WARNING 457 "%s: dvb_register_adapter failed (errno = %d)\n", 458 dev->name, result); 459 goto fail_adapter; 460 } 461 462 /* Ensure all frontends negotiate bus access */ 463 dvb->frontend->ops.ts_bus_ctrl = cx231xx_dvb_bus_ctrl; 464 465 dvb->adapter.priv = dev; 466 467 /* register frontend */ 468 result = dvb_register_frontend(&dvb->adapter, dvb->frontend); 469 if (result < 0) { 470 printk(KERN_WARNING 471 "%s: dvb_register_frontend failed (errno = %d)\n", 472 dev->name, result); 473 goto fail_frontend; 474 } 475 476 /* register demux stuff */ 477 dvb->demux.dmx.capabilities = 478 DMX_TS_FILTERING | DMX_SECTION_FILTERING | 479 DMX_MEMORY_BASED_FILTERING; 480 dvb->demux.priv = dvb; 481 dvb->demux.filternum = 256; 482 dvb->demux.feednum = 256; 483 dvb->demux.start_feed = start_feed; 484 dvb->demux.stop_feed = stop_feed; 485 486 result = dvb_dmx_init(&dvb->demux); 487 if (result < 0) { 488 printk(KERN_WARNING "%s: dvb_dmx_init failed (errno = %d)\n", 489 dev->name, result); 490 goto fail_dmx; 491 } 492 493 dvb->dmxdev.filternum = 256; 494 dvb->dmxdev.demux = &dvb->demux.dmx; 495 dvb->dmxdev.capabilities = 0; 496 result = dvb_dmxdev_init(&dvb->dmxdev, &dvb->adapter); 497 if (result < 0) { 498 printk(KERN_WARNING "%s: dvb_dmxdev_init failed (errno = %d)\n", 499 dev->name, result); 500 goto fail_dmxdev; 501 } 502 503 dvb->fe_hw.source = DMX_FRONTEND_0; 504 result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_hw); 505 if (result < 0) { 506 printk(KERN_WARNING 507 "%s: add_frontend failed (DMX_FRONTEND_0, errno = %d)\n", 508 dev->name, result); 509 goto fail_fe_hw; 510 } 511 512 dvb->fe_mem.source = DMX_MEMORY_FE; 513 result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_mem); 514 if (result < 0) { 515 printk(KERN_WARNING 516 "%s: add_frontend failed (DMX_MEMORY_FE, errno = %d)\n", 517 dev->name, result); 518 goto fail_fe_mem; 519 } 520 521 result = dvb->demux.dmx.connect_frontend(&dvb->demux.dmx, &dvb->fe_hw); 522 if (result < 0) { 523 printk(KERN_WARNING 524 "%s: connect_frontend failed (errno = %d)\n", dev->name, 525 result); 526 goto fail_fe_conn; 527 } 528 529 /* register network adapter */ 530 dvb_net_init(&dvb->adapter, &dvb->net, &dvb->demux.dmx); 531 return 0; 532 533 fail_fe_conn: 534 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem); 535 fail_fe_mem: 536 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw); 537 fail_fe_hw: 538 dvb_dmxdev_release(&dvb->dmxdev); 539 fail_dmxdev: 540 dvb_dmx_release(&dvb->demux); 541 fail_dmx: 542 dvb_unregister_frontend(dvb->frontend); 543 fail_frontend: 544 dvb_frontend_detach(dvb->frontend); 545 dvb_unregister_adapter(&dvb->adapter); 546 fail_adapter: 547 return result; 548 } 549 550 static void unregister_dvb(struct cx231xx_dvb *dvb) 551 { 552 dvb_net_release(&dvb->net); 553 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem); 554 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw); 555 dvb_dmxdev_release(&dvb->dmxdev); 556 dvb_dmx_release(&dvb->demux); 557 dvb_unregister_frontend(dvb->frontend); 558 dvb_frontend_detach(dvb->frontend); 559 dvb_unregister_adapter(&dvb->adapter); 560 } 561 562 static int dvb_init(struct cx231xx *dev) 563 { 564 int result = 0; 565 struct cx231xx_dvb *dvb; 566 567 if (!dev->board.has_dvb) { 568 /* This device does not support the extension */ 569 return 0; 570 } 571 572 dvb = kzalloc(sizeof(struct cx231xx_dvb), GFP_KERNEL); 573 574 if (dvb == NULL) { 575 printk(KERN_INFO "cx231xx_dvb: memory allocation failed\n"); 576 return -ENOMEM; 577 } 578 dev->dvb = dvb; 579 dev->cx231xx_set_analog_freq = cx231xx_set_analog_freq; 580 dev->cx231xx_reset_analog_tuner = cx231xx_reset_analog_tuner; 581 582 mutex_lock(&dev->lock); 583 cx231xx_set_mode(dev, CX231XX_DIGITAL_MODE); 584 cx231xx_demod_reset(dev); 585 /* init frontend */ 586 switch (dev->model) { 587 case CX231XX_BOARD_CNXT_CARRAERA: 588 case CX231XX_BOARD_CNXT_RDE_250: 589 590 dev->dvb->frontend = dvb_attach(s5h1432_attach, 591 &dvico_s5h1432_config, 592 &dev->i2c_bus[dev->board.demod_i2c_master].i2c_adap); 593 594 if (dev->dvb->frontend == NULL) { 595 printk(DRIVER_NAME 596 ": Failed to attach s5h1432 front end\n"); 597 result = -EINVAL; 598 goto out_free; 599 } 600 601 /* define general-purpose callback pointer */ 602 dvb->frontend->callback = cx231xx_tuner_callback; 603 604 if (!dvb_attach(xc5000_attach, dev->dvb->frontend, 605 &dev->i2c_bus[dev->board.tuner_i2c_master].i2c_adap, 606 &cnxt_rde250_tunerconfig)) { 607 result = -EINVAL; 608 goto out_free; 609 } 610 611 break; 612 case CX231XX_BOARD_CNXT_SHELBY: 613 case CX231XX_BOARD_CNXT_RDU_250: 614 615 dev->dvb->frontend = dvb_attach(s5h1411_attach, 616 &xc5000_s5h1411_config, 617 &dev->i2c_bus[dev->board.demod_i2c_master].i2c_adap); 618 619 if (dev->dvb->frontend == NULL) { 620 printk(DRIVER_NAME 621 ": Failed to attach s5h1411 front end\n"); 622 result = -EINVAL; 623 goto out_free; 624 } 625 626 /* define general-purpose callback pointer */ 627 dvb->frontend->callback = cx231xx_tuner_callback; 628 629 if (!dvb_attach(xc5000_attach, dev->dvb->frontend, 630 &dev->i2c_bus[dev->board.tuner_i2c_master].i2c_adap, 631 &cnxt_rdu250_tunerconfig)) { 632 result = -EINVAL; 633 goto out_free; 634 } 635 break; 636 case CX231XX_BOARD_CNXT_RDE_253S: 637 638 dev->dvb->frontend = dvb_attach(s5h1432_attach, 639 &dvico_s5h1432_config, 640 &dev->i2c_bus[dev->board.demod_i2c_master].i2c_adap); 641 642 if (dev->dvb->frontend == NULL) { 643 printk(DRIVER_NAME 644 ": Failed to attach s5h1432 front end\n"); 645 result = -EINVAL; 646 goto out_free; 647 } 648 649 /* define general-purpose callback pointer */ 650 dvb->frontend->callback = cx231xx_tuner_callback; 651 652 if (!dvb_attach(tda18271_attach, dev->dvb->frontend, 653 0x60, &dev->i2c_bus[dev->board.tuner_i2c_master].i2c_adap, 654 &cnxt_rde253s_tunerconfig)) { 655 result = -EINVAL; 656 goto out_free; 657 } 658 break; 659 case CX231XX_BOARD_CNXT_RDU_253S: 660 case CX231XX_BOARD_KWORLD_UB445_USB_HYBRID: 661 662 dev->dvb->frontend = dvb_attach(s5h1411_attach, 663 &tda18271_s5h1411_config, 664 &dev->i2c_bus[dev->board.demod_i2c_master].i2c_adap); 665 666 if (dev->dvb->frontend == NULL) { 667 printk(DRIVER_NAME 668 ": Failed to attach s5h1411 front end\n"); 669 result = -EINVAL; 670 goto out_free; 671 } 672 673 /* define general-purpose callback pointer */ 674 dvb->frontend->callback = cx231xx_tuner_callback; 675 676 if (!dvb_attach(tda18271_attach, dev->dvb->frontend, 677 0x60, &dev->i2c_bus[dev->board.tuner_i2c_master].i2c_adap, 678 &cnxt_rde253s_tunerconfig)) { 679 result = -EINVAL; 680 goto out_free; 681 } 682 break; 683 case CX231XX_BOARD_HAUPPAUGE_EXETER: 684 685 printk(KERN_INFO "%s: looking for tuner / demod on i2c bus: %d\n", 686 __func__, i2c_adapter_id(&dev->i2c_bus[dev->board.tuner_i2c_master].i2c_adap)); 687 688 dev->dvb->frontend = dvb_attach(lgdt3305_attach, 689 &hcw_lgdt3305_config, 690 &dev->i2c_bus[dev->board.tuner_i2c_master].i2c_adap); 691 692 if (dev->dvb->frontend == NULL) { 693 printk(DRIVER_NAME 694 ": Failed to attach LG3305 front end\n"); 695 result = -EINVAL; 696 goto out_free; 697 } 698 699 /* define general-purpose callback pointer */ 700 dvb->frontend->callback = cx231xx_tuner_callback; 701 702 dvb_attach(tda18271_attach, dev->dvb->frontend, 703 0x60, &dev->i2c_bus[dev->board.tuner_i2c_master].i2c_adap, 704 &hcw_tda18271_config); 705 break; 706 707 case CX231XX_BOARD_PV_PLAYTV_USB_HYBRID: 708 case CX231XX_BOARD_KWORLD_UB430_USB_HYBRID: 709 710 printk(KERN_INFO "%s: looking for demod on i2c bus: %d\n", 711 __func__, i2c_adapter_id(&dev->i2c_bus[dev->board.tuner_i2c_master].i2c_adap)); 712 713 dev->dvb->frontend = dvb_attach(mb86a20s_attach, 714 &pv_mb86a20s_config, 715 &dev->i2c_bus[dev->board.demod_i2c_master].i2c_adap); 716 717 if (dev->dvb->frontend == NULL) { 718 printk(DRIVER_NAME 719 ": Failed to attach mb86a20s demod\n"); 720 result = -EINVAL; 721 goto out_free; 722 } 723 724 /* define general-purpose callback pointer */ 725 dvb->frontend->callback = cx231xx_tuner_callback; 726 727 dvb_attach(tda18271_attach, dev->dvb->frontend, 728 0x60, &dev->i2c_bus[dev->board.tuner_i2c_master].i2c_adap, 729 &pv_tda18271_config); 730 break; 731 732 default: 733 printk(KERN_ERR "%s/2: The frontend of your DVB/ATSC card" 734 " isn't supported yet\n", dev->name); 735 break; 736 } 737 if (NULL == dvb->frontend) { 738 printk(KERN_ERR 739 "%s/2: frontend initialization failed\n", dev->name); 740 result = -EINVAL; 741 goto out_free; 742 } 743 744 /* register everything */ 745 result = register_dvb(dvb, THIS_MODULE, dev, &dev->udev->dev); 746 747 if (result < 0) 748 goto out_free; 749 750 751 printk(KERN_INFO "Successfully loaded cx231xx-dvb\n"); 752 753 ret: 754 cx231xx_set_mode(dev, CX231XX_SUSPEND); 755 mutex_unlock(&dev->lock); 756 return result; 757 758 out_free: 759 kfree(dvb); 760 dev->dvb = NULL; 761 goto ret; 762 } 763 764 static int dvb_fini(struct cx231xx *dev) 765 { 766 if (!dev->board.has_dvb) { 767 /* This device does not support the extension */ 768 return 0; 769 } 770 771 if (dev->dvb) { 772 unregister_dvb(dev->dvb); 773 dev->dvb = NULL; 774 } 775 776 return 0; 777 } 778 779 static struct cx231xx_ops dvb_ops = { 780 .id = CX231XX_DVB, 781 .name = "Cx231xx dvb Extension", 782 .init = dvb_init, 783 .fini = dvb_fini, 784 }; 785 786 static int __init cx231xx_dvb_register(void) 787 { 788 return cx231xx_register_extension(&dvb_ops); 789 } 790 791 static void __exit cx231xx_dvb_unregister(void) 792 { 793 cx231xx_unregister_extension(&dvb_ops); 794 } 795 796 module_init(cx231xx_dvb_register); 797 module_exit(cx231xx_dvb_unregister); 798