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 if ((dev->dvb != NULL) && (dev->dvb->frontend != NULL)) { 407 408 struct dvb_tuner_ops *dops = &dev->dvb->frontend->ops.tuner_ops; 409 410 if (dops->set_analog_params != NULL) { 411 struct analog_parameters params; 412 413 params.frequency = freq; 414 params.std = dev->norm; 415 params.mode = 0; /* 0- Air; 1 - cable */ 416 /*params.audmode = ; */ 417 418 /* Set the analog parameters to set the frequency */ 419 dops->set_analog_params(dev->dvb->frontend, ¶ms); 420 } 421 422 } 423 424 return 0; 425 } 426 427 int cx231xx_reset_analog_tuner(struct cx231xx *dev) 428 { 429 int status = 0; 430 431 if ((dev->dvb != NULL) && (dev->dvb->frontend != NULL)) { 432 433 struct dvb_tuner_ops *dops = &dev->dvb->frontend->ops.tuner_ops; 434 435 if (dops->init != NULL && !dev->xc_fw_load_done) { 436 437 cx231xx_info("Reloading firmware for XC5000\n"); 438 status = dops->init(dev->dvb->frontend); 439 if (status == 0) { 440 dev->xc_fw_load_done = 1; 441 cx231xx_info 442 ("XC5000 firmware download completed\n"); 443 } else { 444 dev->xc_fw_load_done = 0; 445 cx231xx_info 446 ("XC5000 firmware download failed !!!\n"); 447 } 448 } 449 450 } 451 452 return status; 453 } 454 455 /* ------------------------------------------------------------------ */ 456 457 static int register_dvb(struct cx231xx_dvb *dvb, 458 struct module *module, 459 struct cx231xx *dev, struct device *device) 460 { 461 int result; 462 463 mutex_init(&dvb->lock); 464 465 /* register adapter */ 466 result = dvb_register_adapter(&dvb->adapter, dev->name, module, device, 467 adapter_nr); 468 if (result < 0) { 469 printk(KERN_WARNING 470 "%s: dvb_register_adapter failed (errno = %d)\n", 471 dev->name, result); 472 goto fail_adapter; 473 } 474 475 /* Ensure all frontends negotiate bus access */ 476 dvb->frontend->ops.ts_bus_ctrl = cx231xx_dvb_bus_ctrl; 477 478 dvb->adapter.priv = dev; 479 480 /* register frontend */ 481 result = dvb_register_frontend(&dvb->adapter, dvb->frontend); 482 if (result < 0) { 483 printk(KERN_WARNING 484 "%s: dvb_register_frontend failed (errno = %d)\n", 485 dev->name, result); 486 goto fail_frontend; 487 } 488 489 /* register demux stuff */ 490 dvb->demux.dmx.capabilities = 491 DMX_TS_FILTERING | DMX_SECTION_FILTERING | 492 DMX_MEMORY_BASED_FILTERING; 493 dvb->demux.priv = dvb; 494 dvb->demux.filternum = 256; 495 dvb->demux.feednum = 256; 496 dvb->demux.start_feed = start_feed; 497 dvb->demux.stop_feed = stop_feed; 498 499 result = dvb_dmx_init(&dvb->demux); 500 if (result < 0) { 501 printk(KERN_WARNING "%s: dvb_dmx_init failed (errno = %d)\n", 502 dev->name, result); 503 goto fail_dmx; 504 } 505 506 dvb->dmxdev.filternum = 256; 507 dvb->dmxdev.demux = &dvb->demux.dmx; 508 dvb->dmxdev.capabilities = 0; 509 result = dvb_dmxdev_init(&dvb->dmxdev, &dvb->adapter); 510 if (result < 0) { 511 printk(KERN_WARNING "%s: dvb_dmxdev_init failed (errno = %d)\n", 512 dev->name, result); 513 goto fail_dmxdev; 514 } 515 516 dvb->fe_hw.source = DMX_FRONTEND_0; 517 result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_hw); 518 if (result < 0) { 519 printk(KERN_WARNING 520 "%s: add_frontend failed (DMX_FRONTEND_0, errno = %d)\n", 521 dev->name, result); 522 goto fail_fe_hw; 523 } 524 525 dvb->fe_mem.source = DMX_MEMORY_FE; 526 result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_mem); 527 if (result < 0) { 528 printk(KERN_WARNING 529 "%s: add_frontend failed (DMX_MEMORY_FE, errno = %d)\n", 530 dev->name, result); 531 goto fail_fe_mem; 532 } 533 534 result = dvb->demux.dmx.connect_frontend(&dvb->demux.dmx, &dvb->fe_hw); 535 if (result < 0) { 536 printk(KERN_WARNING 537 "%s: connect_frontend failed (errno = %d)\n", dev->name, 538 result); 539 goto fail_fe_conn; 540 } 541 542 /* register network adapter */ 543 dvb_net_init(&dvb->adapter, &dvb->net, &dvb->demux.dmx); 544 return 0; 545 546 fail_fe_conn: 547 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem); 548 fail_fe_mem: 549 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw); 550 fail_fe_hw: 551 dvb_dmxdev_release(&dvb->dmxdev); 552 fail_dmxdev: 553 dvb_dmx_release(&dvb->demux); 554 fail_dmx: 555 dvb_unregister_frontend(dvb->frontend); 556 fail_frontend: 557 dvb_frontend_detach(dvb->frontend); 558 dvb_unregister_adapter(&dvb->adapter); 559 fail_adapter: 560 return result; 561 } 562 563 static void unregister_dvb(struct cx231xx_dvb *dvb) 564 { 565 struct i2c_client *client; 566 dvb_net_release(&dvb->net); 567 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem); 568 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw); 569 dvb_dmxdev_release(&dvb->dmxdev); 570 dvb_dmx_release(&dvb->demux); 571 client = dvb->i2c_client_tuner; 572 /* remove I2C tuner */ 573 if (client) { 574 module_put(client->dev.driver->owner); 575 i2c_unregister_device(client); 576 } 577 dvb_unregister_frontend(dvb->frontend); 578 dvb_frontend_detach(dvb->frontend); 579 dvb_unregister_adapter(&dvb->adapter); 580 } 581 582 static int dvb_init(struct cx231xx *dev) 583 { 584 int result = 0; 585 struct cx231xx_dvb *dvb; 586 587 if (!dev->board.has_dvb) { 588 /* This device does not support the extension */ 589 return 0; 590 } 591 592 dvb = kzalloc(sizeof(struct cx231xx_dvb), GFP_KERNEL); 593 594 if (dvb == NULL) { 595 printk(KERN_INFO "cx231xx_dvb: memory allocation failed\n"); 596 return -ENOMEM; 597 } 598 dev->dvb = dvb; 599 dev->cx231xx_set_analog_freq = cx231xx_set_analog_freq; 600 dev->cx231xx_reset_analog_tuner = cx231xx_reset_analog_tuner; 601 602 mutex_lock(&dev->lock); 603 cx231xx_set_mode(dev, CX231XX_DIGITAL_MODE); 604 cx231xx_demod_reset(dev); 605 /* init frontend */ 606 switch (dev->model) { 607 case CX231XX_BOARD_CNXT_CARRAERA: 608 case CX231XX_BOARD_CNXT_RDE_250: 609 610 dev->dvb->frontend = dvb_attach(s5h1432_attach, 611 &dvico_s5h1432_config, 612 &dev->i2c_bus[dev->board.demod_i2c_master].i2c_adap); 613 614 if (dev->dvb->frontend == NULL) { 615 printk(DRIVER_NAME 616 ": Failed to attach s5h1432 front end\n"); 617 result = -EINVAL; 618 goto out_free; 619 } 620 621 /* define general-purpose callback pointer */ 622 dvb->frontend->callback = cx231xx_tuner_callback; 623 624 if (!dvb_attach(xc5000_attach, dev->dvb->frontend, 625 &dev->i2c_bus[dev->board.tuner_i2c_master].i2c_adap, 626 &cnxt_rde250_tunerconfig)) { 627 result = -EINVAL; 628 goto out_free; 629 } 630 631 break; 632 case CX231XX_BOARD_CNXT_SHELBY: 633 case CX231XX_BOARD_CNXT_RDU_250: 634 635 dev->dvb->frontend = dvb_attach(s5h1411_attach, 636 &xc5000_s5h1411_config, 637 &dev->i2c_bus[dev->board.demod_i2c_master].i2c_adap); 638 639 if (dev->dvb->frontend == NULL) { 640 printk(DRIVER_NAME 641 ": Failed to attach s5h1411 front end\n"); 642 result = -EINVAL; 643 goto out_free; 644 } 645 646 /* define general-purpose callback pointer */ 647 dvb->frontend->callback = cx231xx_tuner_callback; 648 649 if (!dvb_attach(xc5000_attach, dev->dvb->frontend, 650 &dev->i2c_bus[dev->board.tuner_i2c_master].i2c_adap, 651 &cnxt_rdu250_tunerconfig)) { 652 result = -EINVAL; 653 goto out_free; 654 } 655 break; 656 case CX231XX_BOARD_CNXT_RDE_253S: 657 658 dev->dvb->frontend = dvb_attach(s5h1432_attach, 659 &dvico_s5h1432_config, 660 &dev->i2c_bus[dev->board.demod_i2c_master].i2c_adap); 661 662 if (dev->dvb->frontend == NULL) { 663 printk(DRIVER_NAME 664 ": Failed to attach s5h1432 front end\n"); 665 result = -EINVAL; 666 goto out_free; 667 } 668 669 /* define general-purpose callback pointer */ 670 dvb->frontend->callback = cx231xx_tuner_callback; 671 672 if (!dvb_attach(tda18271_attach, dev->dvb->frontend, 673 0x60, &dev->i2c_bus[dev->board.tuner_i2c_master].i2c_adap, 674 &cnxt_rde253s_tunerconfig)) { 675 result = -EINVAL; 676 goto out_free; 677 } 678 break; 679 case CX231XX_BOARD_CNXT_RDU_253S: 680 case CX231XX_BOARD_KWORLD_UB445_USB_HYBRID: 681 682 dev->dvb->frontend = dvb_attach(s5h1411_attach, 683 &tda18271_s5h1411_config, 684 &dev->i2c_bus[dev->board.demod_i2c_master].i2c_adap); 685 686 if (dev->dvb->frontend == NULL) { 687 printk(DRIVER_NAME 688 ": Failed to attach s5h1411 front end\n"); 689 result = -EINVAL; 690 goto out_free; 691 } 692 693 /* define general-purpose callback pointer */ 694 dvb->frontend->callback = cx231xx_tuner_callback; 695 696 if (!dvb_attach(tda18271_attach, dev->dvb->frontend, 697 0x60, &dev->i2c_bus[dev->board.tuner_i2c_master].i2c_adap, 698 &cnxt_rde253s_tunerconfig)) { 699 result = -EINVAL; 700 goto out_free; 701 } 702 break; 703 case CX231XX_BOARD_HAUPPAUGE_EXETER: 704 705 printk(KERN_INFO "%s: looking for tuner / demod on i2c bus: %d\n", 706 __func__, i2c_adapter_id(&dev->i2c_bus[dev->board.tuner_i2c_master].i2c_adap)); 707 708 dev->dvb->frontend = dvb_attach(lgdt3305_attach, 709 &hcw_lgdt3305_config, 710 &dev->i2c_bus[dev->board.tuner_i2c_master].i2c_adap); 711 712 if (dev->dvb->frontend == NULL) { 713 printk(DRIVER_NAME 714 ": Failed to attach LG3305 front end\n"); 715 result = -EINVAL; 716 goto out_free; 717 } 718 719 /* define general-purpose callback pointer */ 720 dvb->frontend->callback = cx231xx_tuner_callback; 721 722 dvb_attach(tda18271_attach, dev->dvb->frontend, 723 0x60, &dev->i2c_bus[dev->board.tuner_i2c_master].i2c_adap, 724 &hcw_tda18271_config); 725 break; 726 727 case CX231XX_BOARD_HAUPPAUGE_930C_HD_1113xx: 728 729 dev->dvb->frontend = dvb_attach(si2165_attach, 730 &hauppauge_930C_HD_1113xx_si2165_config, 731 &dev->i2c_bus[dev->board.tuner_i2c_master].i2c_adap 732 ); 733 734 if (dev->dvb->frontend == NULL) { 735 printk(DRIVER_NAME 736 ": Failed to attach SI2165 front end\n"); 737 result = -EINVAL; 738 goto out_free; 739 } 740 741 dev->dvb->frontend->ops.i2c_gate_ctrl = NULL; 742 743 /* define general-purpose callback pointer */ 744 dvb->frontend->callback = cx231xx_tuner_callback; 745 746 dvb_attach(tda18271_attach, dev->dvb->frontend, 747 0x60, 748 &dev->i2c_bus[dev->board.tuner_i2c_master].i2c_adap, 749 &hcw_tda18271_config); 750 751 dev->cx231xx_reset_analog_tuner = NULL; 752 break; 753 754 case CX231XX_BOARD_HAUPPAUGE_930C_HD_1114xx: 755 { 756 struct i2c_client *client; 757 struct i2c_board_info info; 758 struct si2157_config si2157_config; 759 760 memset(&info, 0, sizeof(struct i2c_board_info)); 761 762 dev->dvb->frontend = dvb_attach(si2165_attach, 763 &pctv_quatro_stick_1114xx_si2165_config, 764 &dev->i2c_bus[dev->board.tuner_i2c_master].i2c_adap 765 ); 766 767 if (dev->dvb->frontend == NULL) { 768 printk(DRIVER_NAME 769 ": Failed to attach SI2165 front end\n"); 770 result = -EINVAL; 771 goto out_free; 772 } 773 774 dev->dvb->frontend->ops.i2c_gate_ctrl = NULL; 775 776 /* define general-purpose callback pointer */ 777 dvb->frontend->callback = cx231xx_tuner_callback; 778 779 /* attach tuner */ 780 memset(&si2157_config, 0, sizeof(si2157_config)); 781 si2157_config.fe = dev->dvb->frontend; 782 si2157_config.inversion = true; 783 strlcpy(info.type, "si2157", I2C_NAME_SIZE); 784 info.addr = 0x60; 785 info.platform_data = &si2157_config; 786 request_module("si2157"); 787 788 client = i2c_new_device( 789 &dev->i2c_bus[dev->board.tuner_i2c_master].i2c_adap, 790 &info); 791 if (client == NULL || client->dev.driver == NULL) { 792 dvb_frontend_detach(dev->dvb->frontend); 793 result = -ENODEV; 794 goto out_free; 795 } 796 797 if (!try_module_get(client->dev.driver->owner)) { 798 i2c_unregister_device(client); 799 dvb_frontend_detach(dev->dvb->frontend); 800 result = -ENODEV; 801 goto out_free; 802 } 803 804 dev->cx231xx_reset_analog_tuner = NULL; 805 806 dev->dvb->i2c_client_tuner = client; 807 break; 808 } 809 810 case CX231XX_BOARD_PV_PLAYTV_USB_HYBRID: 811 case CX231XX_BOARD_KWORLD_UB430_USB_HYBRID: 812 813 printk(KERN_INFO "%s: looking for demod on i2c bus: %d\n", 814 __func__, i2c_adapter_id(&dev->i2c_bus[dev->board.tuner_i2c_master].i2c_adap)); 815 816 dev->dvb->frontend = dvb_attach(mb86a20s_attach, 817 &pv_mb86a20s_config, 818 &dev->i2c_bus[dev->board.demod_i2c_master].i2c_adap); 819 820 if (dev->dvb->frontend == NULL) { 821 printk(DRIVER_NAME 822 ": Failed to attach mb86a20s demod\n"); 823 result = -EINVAL; 824 goto out_free; 825 } 826 827 /* define general-purpose callback pointer */ 828 dvb->frontend->callback = cx231xx_tuner_callback; 829 830 dvb_attach(tda18271_attach, dev->dvb->frontend, 831 0x60, &dev->i2c_bus[dev->board.tuner_i2c_master].i2c_adap, 832 &pv_tda18271_config); 833 break; 834 835 default: 836 printk(KERN_ERR "%s/2: The frontend of your DVB/ATSC card" 837 " isn't supported yet\n", dev->name); 838 break; 839 } 840 if (NULL == dvb->frontend) { 841 printk(KERN_ERR 842 "%s/2: frontend initialization failed\n", dev->name); 843 result = -EINVAL; 844 goto out_free; 845 } 846 847 /* register everything */ 848 result = register_dvb(dvb, THIS_MODULE, dev, &dev->udev->dev); 849 850 if (result < 0) 851 goto out_free; 852 853 854 printk(KERN_INFO "Successfully loaded cx231xx-dvb\n"); 855 856 ret: 857 cx231xx_set_mode(dev, CX231XX_SUSPEND); 858 mutex_unlock(&dev->lock); 859 return result; 860 861 out_free: 862 kfree(dvb); 863 dev->dvb = NULL; 864 goto ret; 865 } 866 867 static int dvb_fini(struct cx231xx *dev) 868 { 869 if (!dev->board.has_dvb) { 870 /* This device does not support the extension */ 871 return 0; 872 } 873 874 if (dev->dvb) { 875 unregister_dvb(dev->dvb); 876 dev->dvb = NULL; 877 } 878 879 return 0; 880 } 881 882 static struct cx231xx_ops dvb_ops = { 883 .id = CX231XX_DVB, 884 .name = "Cx231xx dvb Extension", 885 .init = dvb_init, 886 .fini = dvb_fini, 887 }; 888 889 static int __init cx231xx_dvb_register(void) 890 { 891 return cx231xx_register_extension(&dvb_ops); 892 } 893 894 static void __exit cx231xx_dvb_unregister(void) 895 { 896 cx231xx_unregister_extension(&dvb_ops); 897 } 898 899 module_init(cx231xx_dvb_register); 900 module_exit(cx231xx_dvb_unregister); 901