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 "si2165.h" 36 #include "mb86a20s.h" 37 #include "si2157.h" 38 39 MODULE_DESCRIPTION("driver for cx231xx based DVB cards"); 40 MODULE_AUTHOR("Srinivasa Deevi <srinivasa.deevi@conexant.com>"); 41 MODULE_LICENSE("GPL"); 42 43 static unsigned int debug; 44 module_param(debug, int, 0644); 45 MODULE_PARM_DESC(debug, "enable debug messages [dvb]"); 46 47 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); 48 49 #define dprintk(level, fmt, arg...) do { \ 50 if (debug >= level) \ 51 printk(KERN_DEBUG "%s/2-dvb: " fmt, dev->name, ## arg); \ 52 } while (0) 53 54 #define CX231XX_DVB_NUM_BUFS 5 55 #define CX231XX_DVB_MAX_PACKETSIZE 564 56 #define CX231XX_DVB_MAX_PACKETS 64 57 58 struct cx231xx_dvb { 59 struct dvb_frontend *frontend; 60 61 /* feed count management */ 62 struct mutex lock; 63 int nfeeds; 64 65 /* general boilerplate stuff */ 66 struct dvb_adapter adapter; 67 struct dvb_demux demux; 68 struct dmxdev dmxdev; 69 struct dmx_frontend fe_hw; 70 struct dmx_frontend fe_mem; 71 struct dvb_net net; 72 struct i2c_client *i2c_client_tuner; 73 }; 74 75 static struct s5h1432_config dvico_s5h1432_config = { 76 .output_mode = S5H1432_SERIAL_OUTPUT, 77 .gpio = S5H1432_GPIO_ON, 78 .qam_if = S5H1432_IF_4000, 79 .vsb_if = S5H1432_IF_4000, 80 .inversion = S5H1432_INVERSION_OFF, 81 .status_mode = S5H1432_DEMODLOCKING, 82 .mpeg_timing = S5H1432_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK, 83 }; 84 85 static struct tda18271_std_map cnxt_rde253s_tda18271_std_map = { 86 .dvbt_6 = { .if_freq = 4000, .agc_mode = 3, .std = 4, 87 .if_lvl = 1, .rfagc_top = 0x37, }, 88 .dvbt_7 = { .if_freq = 4000, .agc_mode = 3, .std = 5, 89 .if_lvl = 1, .rfagc_top = 0x37, }, 90 .dvbt_8 = { .if_freq = 4000, .agc_mode = 3, .std = 6, 91 .if_lvl = 1, .rfagc_top = 0x37, }, 92 }; 93 94 static struct tda18271_std_map mb86a20s_tda18271_config = { 95 .dvbt_6 = { .if_freq = 4000, .agc_mode = 3, .std = 4, 96 .if_lvl = 0, .rfagc_top = 0x37, }, 97 }; 98 99 static struct tda18271_config cnxt_rde253s_tunerconfig = { 100 .std_map = &cnxt_rde253s_tda18271_std_map, 101 .gate = TDA18271_GATE_ANALOG, 102 }; 103 104 static struct s5h1411_config tda18271_s5h1411_config = { 105 .output_mode = S5H1411_SERIAL_OUTPUT, 106 .gpio = S5H1411_GPIO_OFF, 107 .vsb_if = S5H1411_IF_3250, 108 .qam_if = S5H1411_IF_4000, 109 .inversion = S5H1411_INVERSION_ON, 110 .status_mode = S5H1411_DEMODLOCKING, 111 .mpeg_timing = S5H1411_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK, 112 }; 113 static struct s5h1411_config xc5000_s5h1411_config = { 114 .output_mode = S5H1411_SERIAL_OUTPUT, 115 .gpio = S5H1411_GPIO_OFF, 116 .vsb_if = S5H1411_IF_3250, 117 .qam_if = S5H1411_IF_3250, 118 .inversion = S5H1411_INVERSION_OFF, 119 .status_mode = S5H1411_DEMODLOCKING, 120 .mpeg_timing = S5H1411_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK, 121 }; 122 123 static struct lgdt3305_config hcw_lgdt3305_config = { 124 .i2c_addr = 0x0e, 125 .mpeg_mode = LGDT3305_MPEG_SERIAL, 126 .tpclk_edge = LGDT3305_TPCLK_FALLING_EDGE, 127 .tpvalid_polarity = LGDT3305_TP_VALID_HIGH, 128 .deny_i2c_rptr = 1, 129 .spectral_inversion = 1, 130 .qam_if_khz = 4000, 131 .vsb_if_khz = 3250, 132 }; 133 134 static struct tda18271_std_map hauppauge_tda18271_std_map = { 135 .atsc_6 = { .if_freq = 3250, .agc_mode = 3, .std = 4, 136 .if_lvl = 1, .rfagc_top = 0x58, }, 137 .qam_6 = { .if_freq = 4000, .agc_mode = 3, .std = 5, 138 .if_lvl = 1, .rfagc_top = 0x58, }, 139 }; 140 141 static struct tda18271_config hcw_tda18271_config = { 142 .std_map = &hauppauge_tda18271_std_map, 143 .gate = TDA18271_GATE_DIGITAL, 144 }; 145 146 static const struct mb86a20s_config pv_mb86a20s_config = { 147 .demod_address = 0x10, 148 .is_serial = true, 149 }; 150 151 static struct tda18271_config pv_tda18271_config = { 152 .std_map = &mb86a20s_tda18271_config, 153 .gate = TDA18271_GATE_DIGITAL, 154 .small_i2c = TDA18271_03_BYTE_CHUNK_INIT, 155 }; 156 157 static const struct si2165_config hauppauge_930C_HD_1113xx_si2165_config = { 158 .i2c_addr = 0x64, 159 .chip_mode = SI2165_MODE_PLL_XTAL, 160 .ref_freq_Hz = 16000000, 161 }; 162 163 static const struct si2165_config pctv_quatro_stick_1114xx_si2165_config = { 164 .i2c_addr = 0x64, 165 .chip_mode = SI2165_MODE_PLL_EXT, 166 .ref_freq_Hz = 24000000, 167 }; 168 169 static inline void print_err_status(struct cx231xx *dev, int packet, int status) 170 { 171 char *errmsg = "Unknown"; 172 173 switch (status) { 174 case -ENOENT: 175 errmsg = "unlinked synchronuously"; 176 break; 177 case -ECONNRESET: 178 errmsg = "unlinked asynchronuously"; 179 break; 180 case -ENOSR: 181 errmsg = "Buffer error (overrun)"; 182 break; 183 case -EPIPE: 184 errmsg = "Stalled (device not responding)"; 185 break; 186 case -EOVERFLOW: 187 errmsg = "Babble (bad cable?)"; 188 break; 189 case -EPROTO: 190 errmsg = "Bit-stuff error (bad cable?)"; 191 break; 192 case -EILSEQ: 193 errmsg = "CRC/Timeout (could be anything)"; 194 break; 195 case -ETIME: 196 errmsg = "Device does not respond"; 197 break; 198 } 199 if (packet < 0) { 200 dprintk(1, "URB status %d [%s].\n", status, errmsg); 201 } else { 202 dprintk(1, "URB packet %d, status %d [%s].\n", 203 packet, status, errmsg); 204 } 205 } 206 207 static inline int dvb_isoc_copy(struct cx231xx *dev, struct urb *urb) 208 { 209 int i; 210 211 if (!dev) 212 return 0; 213 214 if (dev->state & DEV_DISCONNECTED) 215 return 0; 216 217 if (urb->status < 0) { 218 print_err_status(dev, -1, urb->status); 219 if (urb->status == -ENOENT) 220 return 0; 221 } 222 223 for (i = 0; i < urb->number_of_packets; i++) { 224 int status = urb->iso_frame_desc[i].status; 225 226 if (status < 0) { 227 print_err_status(dev, i, status); 228 if (urb->iso_frame_desc[i].status != -EPROTO) 229 continue; 230 } 231 232 dvb_dmx_swfilter(&dev->dvb->demux, 233 urb->transfer_buffer + 234 urb->iso_frame_desc[i].offset, 235 urb->iso_frame_desc[i].actual_length); 236 } 237 238 return 0; 239 } 240 241 static inline int dvb_bulk_copy(struct cx231xx *dev, struct urb *urb) 242 { 243 if (!dev) 244 return 0; 245 246 if (dev->state & DEV_DISCONNECTED) 247 return 0; 248 249 if (urb->status < 0) { 250 print_err_status(dev, -1, urb->status); 251 if (urb->status == -ENOENT) 252 return 0; 253 } 254 255 /* Feed the transport payload into the kernel demux */ 256 dvb_dmx_swfilter(&dev->dvb->demux, 257 urb->transfer_buffer, urb->actual_length); 258 259 return 0; 260 } 261 262 static int start_streaming(struct cx231xx_dvb *dvb) 263 { 264 int rc; 265 struct cx231xx *dev = dvb->adapter.priv; 266 267 if (dev->USE_ISO) { 268 cx231xx_info("DVB transfer mode is ISO.\n"); 269 mutex_lock(&dev->i2c_lock); 270 cx231xx_enable_i2c_port_3(dev, false); 271 cx231xx_set_alt_setting(dev, INDEX_TS1, 4); 272 cx231xx_enable_i2c_port_3(dev, true); 273 mutex_unlock(&dev->i2c_lock); 274 rc = cx231xx_set_mode(dev, CX231XX_DIGITAL_MODE); 275 if (rc < 0) 276 return rc; 277 dev->mode_tv = 1; 278 return cx231xx_init_isoc(dev, CX231XX_DVB_MAX_PACKETS, 279 CX231XX_DVB_NUM_BUFS, 280 dev->ts1_mode.max_pkt_size, 281 dvb_isoc_copy); 282 } else { 283 cx231xx_info("DVB transfer mode is BULK.\n"); 284 cx231xx_set_alt_setting(dev, INDEX_TS1, 0); 285 rc = cx231xx_set_mode(dev, CX231XX_DIGITAL_MODE); 286 if (rc < 0) 287 return rc; 288 dev->mode_tv = 1; 289 return cx231xx_init_bulk(dev, CX231XX_DVB_MAX_PACKETS, 290 CX231XX_DVB_NUM_BUFS, 291 dev->ts1_mode.max_pkt_size, 292 dvb_bulk_copy); 293 } 294 295 } 296 297 static int stop_streaming(struct cx231xx_dvb *dvb) 298 { 299 struct cx231xx *dev = dvb->adapter.priv; 300 301 if (dev->USE_ISO) 302 cx231xx_uninit_isoc(dev); 303 else 304 cx231xx_uninit_bulk(dev); 305 306 cx231xx_set_mode(dev, CX231XX_SUSPEND); 307 308 return 0; 309 } 310 311 static int start_feed(struct dvb_demux_feed *feed) 312 { 313 struct dvb_demux *demux = feed->demux; 314 struct cx231xx_dvb *dvb = demux->priv; 315 int rc, ret; 316 317 if (!demux->dmx.frontend) 318 return -EINVAL; 319 320 mutex_lock(&dvb->lock); 321 dvb->nfeeds++; 322 rc = dvb->nfeeds; 323 324 if (dvb->nfeeds == 1) { 325 ret = start_streaming(dvb); 326 if (ret < 0) 327 rc = ret; 328 } 329 330 mutex_unlock(&dvb->lock); 331 return rc; 332 } 333 334 static int stop_feed(struct dvb_demux_feed *feed) 335 { 336 struct dvb_demux *demux = feed->demux; 337 struct cx231xx_dvb *dvb = demux->priv; 338 int err = 0; 339 340 mutex_lock(&dvb->lock); 341 dvb->nfeeds--; 342 343 if (0 == dvb->nfeeds) 344 err = stop_streaming(dvb); 345 346 mutex_unlock(&dvb->lock); 347 return err; 348 } 349 350 /* ------------------------------------------------------------------ */ 351 static int cx231xx_dvb_bus_ctrl(struct dvb_frontend *fe, int acquire) 352 { 353 struct cx231xx *dev = fe->dvb->priv; 354 355 if (acquire) 356 return cx231xx_set_mode(dev, CX231XX_DIGITAL_MODE); 357 else 358 return cx231xx_set_mode(dev, CX231XX_SUSPEND); 359 } 360 361 /* ------------------------------------------------------------------ */ 362 363 static struct xc5000_config cnxt_rde250_tunerconfig = { 364 .i2c_address = 0x61, 365 .if_khz = 4000, 366 }; 367 static struct xc5000_config cnxt_rdu250_tunerconfig = { 368 .i2c_address = 0x61, 369 .if_khz = 3250, 370 }; 371 372 /* ------------------------------------------------------------------ */ 373 #if 0 374 static int attach_xc5000(u8 addr, struct cx231xx *dev) 375 { 376 377 struct dvb_frontend *fe; 378 struct xc5000_config cfg; 379 380 memset(&cfg, 0, sizeof(cfg)); 381 cfg.i2c_adap = &dev->i2c_bus[dev->board.tuner_i2c_master].i2c_adap; 382 cfg.i2c_addr = addr; 383 384 if (!dev->dvb->frontend) { 385 printk(KERN_ERR "%s/2: dvb frontend not attached. " 386 "Can't attach xc5000\n", dev->name); 387 return -EINVAL; 388 } 389 390 fe = dvb_attach(xc5000_attach, dev->dvb->frontend, &cfg); 391 if (!fe) { 392 printk(KERN_ERR "%s/2: xc5000 attach failed\n", dev->name); 393 dvb_frontend_detach(dev->dvb->frontend); 394 dev->dvb->frontend = NULL; 395 return -EINVAL; 396 } 397 398 printk(KERN_INFO "%s/2: xc5000 attached\n", dev->name); 399 400 return 0; 401 } 402 #endif 403 404 int cx231xx_set_analog_freq(struct cx231xx *dev, u32 freq) 405 { 406 int status = 0; 407 408 if ((dev->dvb != NULL) && (dev->dvb->frontend != NULL)) { 409 410 struct dvb_tuner_ops *dops = &dev->dvb->frontend->ops.tuner_ops; 411 412 if (dops->set_analog_params != NULL) { 413 struct analog_parameters params; 414 415 params.frequency = freq; 416 params.std = dev->norm; 417 params.mode = 0; /* 0- Air; 1 - cable */ 418 /*params.audmode = ; */ 419 420 /* Set the analog parameters to set the frequency */ 421 dops->set_analog_params(dev->dvb->frontend, ¶ms); 422 } 423 424 } 425 426 return status; 427 } 428 429 int cx231xx_reset_analog_tuner(struct cx231xx *dev) 430 { 431 int status = 0; 432 433 if ((dev->dvb != NULL) && (dev->dvb->frontend != NULL)) { 434 435 struct dvb_tuner_ops *dops = &dev->dvb->frontend->ops.tuner_ops; 436 437 if (dops->init != NULL && !dev->xc_fw_load_done) { 438 439 cx231xx_info("Reloading firmware for XC5000\n"); 440 status = dops->init(dev->dvb->frontend); 441 if (status == 0) { 442 dev->xc_fw_load_done = 1; 443 cx231xx_info 444 ("XC5000 firmware download completed\n"); 445 } else { 446 dev->xc_fw_load_done = 0; 447 cx231xx_info 448 ("XC5000 firmware download failed !!!\n"); 449 } 450 } 451 452 } 453 454 return status; 455 } 456 457 /* ------------------------------------------------------------------ */ 458 459 static int register_dvb(struct cx231xx_dvb *dvb, 460 struct module *module, 461 struct cx231xx *dev, struct device *device) 462 { 463 int result; 464 465 mutex_init(&dvb->lock); 466 467 /* register adapter */ 468 result = dvb_register_adapter(&dvb->adapter, dev->name, module, device, 469 adapter_nr); 470 if (result < 0) { 471 printk(KERN_WARNING 472 "%s: dvb_register_adapter failed (errno = %d)\n", 473 dev->name, result); 474 goto fail_adapter; 475 } 476 477 /* Ensure all frontends negotiate bus access */ 478 dvb->frontend->ops.ts_bus_ctrl = cx231xx_dvb_bus_ctrl; 479 480 dvb->adapter.priv = dev; 481 482 /* register frontend */ 483 result = dvb_register_frontend(&dvb->adapter, dvb->frontend); 484 if (result < 0) { 485 printk(KERN_WARNING 486 "%s: dvb_register_frontend failed (errno = %d)\n", 487 dev->name, result); 488 goto fail_frontend; 489 } 490 491 /* register demux stuff */ 492 dvb->demux.dmx.capabilities = 493 DMX_TS_FILTERING | DMX_SECTION_FILTERING | 494 DMX_MEMORY_BASED_FILTERING; 495 dvb->demux.priv = dvb; 496 dvb->demux.filternum = 256; 497 dvb->demux.feednum = 256; 498 dvb->demux.start_feed = start_feed; 499 dvb->demux.stop_feed = stop_feed; 500 501 result = dvb_dmx_init(&dvb->demux); 502 if (result < 0) { 503 printk(KERN_WARNING "%s: dvb_dmx_init failed (errno = %d)\n", 504 dev->name, result); 505 goto fail_dmx; 506 } 507 508 dvb->dmxdev.filternum = 256; 509 dvb->dmxdev.demux = &dvb->demux.dmx; 510 dvb->dmxdev.capabilities = 0; 511 result = dvb_dmxdev_init(&dvb->dmxdev, &dvb->adapter); 512 if (result < 0) { 513 printk(KERN_WARNING "%s: dvb_dmxdev_init failed (errno = %d)\n", 514 dev->name, result); 515 goto fail_dmxdev; 516 } 517 518 dvb->fe_hw.source = DMX_FRONTEND_0; 519 result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_hw); 520 if (result < 0) { 521 printk(KERN_WARNING 522 "%s: add_frontend failed (DMX_FRONTEND_0, errno = %d)\n", 523 dev->name, result); 524 goto fail_fe_hw; 525 } 526 527 dvb->fe_mem.source = DMX_MEMORY_FE; 528 result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_mem); 529 if (result < 0) { 530 printk(KERN_WARNING 531 "%s: add_frontend failed (DMX_MEMORY_FE, errno = %d)\n", 532 dev->name, result); 533 goto fail_fe_mem; 534 } 535 536 result = dvb->demux.dmx.connect_frontend(&dvb->demux.dmx, &dvb->fe_hw); 537 if (result < 0) { 538 printk(KERN_WARNING 539 "%s: connect_frontend failed (errno = %d)\n", dev->name, 540 result); 541 goto fail_fe_conn; 542 } 543 544 /* register network adapter */ 545 dvb_net_init(&dvb->adapter, &dvb->net, &dvb->demux.dmx); 546 return 0; 547 548 fail_fe_conn: 549 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem); 550 fail_fe_mem: 551 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw); 552 fail_fe_hw: 553 dvb_dmxdev_release(&dvb->dmxdev); 554 fail_dmxdev: 555 dvb_dmx_release(&dvb->demux); 556 fail_dmx: 557 dvb_unregister_frontend(dvb->frontend); 558 fail_frontend: 559 dvb_frontend_detach(dvb->frontend); 560 dvb_unregister_adapter(&dvb->adapter); 561 fail_adapter: 562 return result; 563 } 564 565 static void unregister_dvb(struct cx231xx_dvb *dvb) 566 { 567 struct i2c_client *client; 568 dvb_net_release(&dvb->net); 569 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem); 570 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw); 571 dvb_dmxdev_release(&dvb->dmxdev); 572 dvb_dmx_release(&dvb->demux); 573 client = dvb->i2c_client_tuner; 574 /* remove I2C tuner */ 575 if (client) { 576 module_put(client->dev.driver->owner); 577 i2c_unregister_device(client); 578 } 579 dvb_unregister_frontend(dvb->frontend); 580 dvb_frontend_detach(dvb->frontend); 581 dvb_unregister_adapter(&dvb->adapter); 582 } 583 584 static int dvb_init(struct cx231xx *dev) 585 { 586 int result = 0; 587 struct cx231xx_dvb *dvb; 588 589 if (!dev->board.has_dvb) { 590 /* This device does not support the extension */ 591 return 0; 592 } 593 594 dvb = kzalloc(sizeof(struct cx231xx_dvb), GFP_KERNEL); 595 596 if (dvb == NULL) { 597 printk(KERN_INFO "cx231xx_dvb: memory allocation failed\n"); 598 return -ENOMEM; 599 } 600 dev->dvb = dvb; 601 dev->cx231xx_set_analog_freq = cx231xx_set_analog_freq; 602 dev->cx231xx_reset_analog_tuner = cx231xx_reset_analog_tuner; 603 604 mutex_lock(&dev->lock); 605 cx231xx_set_mode(dev, CX231XX_DIGITAL_MODE); 606 cx231xx_demod_reset(dev); 607 /* init frontend */ 608 switch (dev->model) { 609 case CX231XX_BOARD_CNXT_CARRAERA: 610 case CX231XX_BOARD_CNXT_RDE_250: 611 612 dev->dvb->frontend = dvb_attach(s5h1432_attach, 613 &dvico_s5h1432_config, 614 &dev->i2c_bus[dev->board.demod_i2c_master].i2c_adap); 615 616 if (dev->dvb->frontend == NULL) { 617 printk(DRIVER_NAME 618 ": Failed to attach s5h1432 front end\n"); 619 result = -EINVAL; 620 goto out_free; 621 } 622 623 /* define general-purpose callback pointer */ 624 dvb->frontend->callback = cx231xx_tuner_callback; 625 626 if (!dvb_attach(xc5000_attach, dev->dvb->frontend, 627 &dev->i2c_bus[dev->board.tuner_i2c_master].i2c_adap, 628 &cnxt_rde250_tunerconfig)) { 629 result = -EINVAL; 630 goto out_free; 631 } 632 633 break; 634 case CX231XX_BOARD_CNXT_SHELBY: 635 case CX231XX_BOARD_CNXT_RDU_250: 636 637 dev->dvb->frontend = dvb_attach(s5h1411_attach, 638 &xc5000_s5h1411_config, 639 &dev->i2c_bus[dev->board.demod_i2c_master].i2c_adap); 640 641 if (dev->dvb->frontend == NULL) { 642 printk(DRIVER_NAME 643 ": Failed to attach s5h1411 front end\n"); 644 result = -EINVAL; 645 goto out_free; 646 } 647 648 /* define general-purpose callback pointer */ 649 dvb->frontend->callback = cx231xx_tuner_callback; 650 651 if (!dvb_attach(xc5000_attach, dev->dvb->frontend, 652 &dev->i2c_bus[dev->board.tuner_i2c_master].i2c_adap, 653 &cnxt_rdu250_tunerconfig)) { 654 result = -EINVAL; 655 goto out_free; 656 } 657 break; 658 case CX231XX_BOARD_CNXT_RDE_253S: 659 660 dev->dvb->frontend = dvb_attach(s5h1432_attach, 661 &dvico_s5h1432_config, 662 &dev->i2c_bus[dev->board.demod_i2c_master].i2c_adap); 663 664 if (dev->dvb->frontend == NULL) { 665 printk(DRIVER_NAME 666 ": Failed to attach s5h1432 front end\n"); 667 result = -EINVAL; 668 goto out_free; 669 } 670 671 /* define general-purpose callback pointer */ 672 dvb->frontend->callback = cx231xx_tuner_callback; 673 674 if (!dvb_attach(tda18271_attach, dev->dvb->frontend, 675 0x60, &dev->i2c_bus[dev->board.tuner_i2c_master].i2c_adap, 676 &cnxt_rde253s_tunerconfig)) { 677 result = -EINVAL; 678 goto out_free; 679 } 680 break; 681 case CX231XX_BOARD_CNXT_RDU_253S: 682 case CX231XX_BOARD_KWORLD_UB445_USB_HYBRID: 683 684 dev->dvb->frontend = dvb_attach(s5h1411_attach, 685 &tda18271_s5h1411_config, 686 &dev->i2c_bus[dev->board.demod_i2c_master].i2c_adap); 687 688 if (dev->dvb->frontend == NULL) { 689 printk(DRIVER_NAME 690 ": Failed to attach s5h1411 front end\n"); 691 result = -EINVAL; 692 goto out_free; 693 } 694 695 /* define general-purpose callback pointer */ 696 dvb->frontend->callback = cx231xx_tuner_callback; 697 698 if (!dvb_attach(tda18271_attach, dev->dvb->frontend, 699 0x60, &dev->i2c_bus[dev->board.tuner_i2c_master].i2c_adap, 700 &cnxt_rde253s_tunerconfig)) { 701 result = -EINVAL; 702 goto out_free; 703 } 704 break; 705 case CX231XX_BOARD_HAUPPAUGE_EXETER: 706 707 printk(KERN_INFO "%s: looking for tuner / demod on i2c bus: %d\n", 708 __func__, i2c_adapter_id(&dev->i2c_bus[dev->board.tuner_i2c_master].i2c_adap)); 709 710 dev->dvb->frontend = dvb_attach(lgdt3305_attach, 711 &hcw_lgdt3305_config, 712 &dev->i2c_bus[dev->board.tuner_i2c_master].i2c_adap); 713 714 if (dev->dvb->frontend == NULL) { 715 printk(DRIVER_NAME 716 ": Failed to attach LG3305 front end\n"); 717 result = -EINVAL; 718 goto out_free; 719 } 720 721 /* define general-purpose callback pointer */ 722 dvb->frontend->callback = cx231xx_tuner_callback; 723 724 dvb_attach(tda18271_attach, dev->dvb->frontend, 725 0x60, &dev->i2c_bus[dev->board.tuner_i2c_master].i2c_adap, 726 &hcw_tda18271_config); 727 break; 728 729 case CX231XX_BOARD_HAUPPAUGE_930C_HD_1113xx: 730 731 dev->dvb->frontend = dvb_attach(si2165_attach, 732 &hauppauge_930C_HD_1113xx_si2165_config, 733 &dev->i2c_bus[dev->board.tuner_i2c_master].i2c_adap 734 ); 735 736 if (dev->dvb->frontend == NULL) { 737 printk(DRIVER_NAME 738 ": Failed to attach SI2165 front end\n"); 739 result = -EINVAL; 740 goto out_free; 741 } 742 743 dev->dvb->frontend->ops.i2c_gate_ctrl = 0; 744 745 /* define general-purpose callback pointer */ 746 dvb->frontend->callback = cx231xx_tuner_callback; 747 748 dvb_attach(tda18271_attach, dev->dvb->frontend, 749 0x60, 750 &dev->i2c_bus[dev->board.tuner_i2c_master].i2c_adap, 751 &hcw_tda18271_config); 752 753 dev->cx231xx_reset_analog_tuner = NULL; 754 break; 755 756 case CX231XX_BOARD_HAUPPAUGE_930C_HD_1114xx: 757 { 758 struct i2c_client *client; 759 struct i2c_board_info info; 760 struct si2157_config si2157_config; 761 762 memset(&info, 0, sizeof(struct i2c_board_info)); 763 764 dev->dvb->frontend = dvb_attach(si2165_attach, 765 &pctv_quatro_stick_1114xx_si2165_config, 766 &dev->i2c_bus[dev->board.tuner_i2c_master].i2c_adap 767 ); 768 769 if (dev->dvb->frontend == NULL) { 770 printk(DRIVER_NAME 771 ": Failed to attach SI2165 front end\n"); 772 result = -EINVAL; 773 goto out_free; 774 } 775 776 dev->dvb->frontend->ops.i2c_gate_ctrl = 0; 777 778 /* define general-purpose callback pointer */ 779 dvb->frontend->callback = cx231xx_tuner_callback; 780 781 /* attach tuner */ 782 memset(&si2157_config, 0, sizeof(si2157_config)); 783 si2157_config.fe = dev->dvb->frontend; 784 si2157_config.inversion = true; 785 strlcpy(info.type, "si2157", I2C_NAME_SIZE); 786 info.addr = 0x60; 787 info.platform_data = &si2157_config; 788 request_module("si2157"); 789 790 client = i2c_new_device( 791 &dev->i2c_bus[dev->board.tuner_i2c_master].i2c_adap, 792 &info); 793 if (client == NULL || client->dev.driver == NULL) { 794 dvb_frontend_detach(dev->dvb->frontend); 795 result = -ENODEV; 796 goto out_free; 797 } 798 799 if (!try_module_get(client->dev.driver->owner)) { 800 i2c_unregister_device(client); 801 dvb_frontend_detach(dev->dvb->frontend); 802 result = -ENODEV; 803 goto out_free; 804 } 805 806 dev->cx231xx_reset_analog_tuner = NULL; 807 808 dev->dvb->i2c_client_tuner = client; 809 break; 810 } 811 812 case CX231XX_BOARD_PV_PLAYTV_USB_HYBRID: 813 case CX231XX_BOARD_KWORLD_UB430_USB_HYBRID: 814 815 printk(KERN_INFO "%s: looking for demod on i2c bus: %d\n", 816 __func__, i2c_adapter_id(&dev->i2c_bus[dev->board.tuner_i2c_master].i2c_adap)); 817 818 dev->dvb->frontend = dvb_attach(mb86a20s_attach, 819 &pv_mb86a20s_config, 820 &dev->i2c_bus[dev->board.demod_i2c_master].i2c_adap); 821 822 if (dev->dvb->frontend == NULL) { 823 printk(DRIVER_NAME 824 ": Failed to attach mb86a20s demod\n"); 825 result = -EINVAL; 826 goto out_free; 827 } 828 829 /* define general-purpose callback pointer */ 830 dvb->frontend->callback = cx231xx_tuner_callback; 831 832 dvb_attach(tda18271_attach, dev->dvb->frontend, 833 0x60, &dev->i2c_bus[dev->board.tuner_i2c_master].i2c_adap, 834 &pv_tda18271_config); 835 break; 836 837 default: 838 printk(KERN_ERR "%s/2: The frontend of your DVB/ATSC card" 839 " isn't supported yet\n", dev->name); 840 break; 841 } 842 if (NULL == dvb->frontend) { 843 printk(KERN_ERR 844 "%s/2: frontend initialization failed\n", dev->name); 845 result = -EINVAL; 846 goto out_free; 847 } 848 849 /* register everything */ 850 result = register_dvb(dvb, THIS_MODULE, dev, &dev->udev->dev); 851 852 if (result < 0) 853 goto out_free; 854 855 856 printk(KERN_INFO "Successfully loaded cx231xx-dvb\n"); 857 858 ret: 859 cx231xx_set_mode(dev, CX231XX_SUSPEND); 860 mutex_unlock(&dev->lock); 861 return result; 862 863 out_free: 864 kfree(dvb); 865 dev->dvb = NULL; 866 goto ret; 867 } 868 869 static int dvb_fini(struct cx231xx *dev) 870 { 871 if (!dev->board.has_dvb) { 872 /* This device does not support the extension */ 873 return 0; 874 } 875 876 if (dev->dvb) { 877 unregister_dvb(dev->dvb); 878 dev->dvb = NULL; 879 } 880 881 return 0; 882 } 883 884 static struct cx231xx_ops dvb_ops = { 885 .id = CX231XX_DVB, 886 .name = "Cx231xx dvb Extension", 887 .init = dvb_init, 888 .fini = dvb_fini, 889 }; 890 891 static int __init cx231xx_dvb_register(void) 892 { 893 return cx231xx_register_extension(&dvb_ops); 894 } 895 896 static void __exit cx231xx_dvb_unregister(void) 897 { 898 cx231xx_unregister_extension(&dvb_ops); 899 } 900 901 module_init(cx231xx_dvb_register); 902 module_exit(cx231xx_dvb_unregister); 903