1 /* 2 DVB device driver for em28xx 3 4 (c) 2008-2011 Mauro Carvalho Chehab <mchehab@infradead.org> 5 6 (c) 2008 Devin Heitmueller <devin.heitmueller@gmail.com> 7 - Fixes for the driver to properly work with HVR-950 8 - Fixes for the driver to properly work with Pinnacle PCTV HD Pro Stick 9 - Fixes for the driver to properly work with AMD ATI TV Wonder HD 600 10 11 (c) 2008 Aidan Thornton <makosoft@googlemail.com> 12 13 (c) 2012 Frank Schäfer <fschaefer.oss@googlemail.com> 14 15 Based on cx88-dvb, saa7134-dvb and videobuf-dvb originally written by: 16 (c) 2004, 2005 Chris Pascoe <c.pascoe@itee.uq.edu.au> 17 (c) 2004 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs] 18 19 This program is free software; you can redistribute it and/or modify 20 it under the terms of the GNU General Public License as published by 21 the Free Software Foundation; either version 2 of the License. 22 */ 23 24 #include <linux/kernel.h> 25 #include <linux/slab.h> 26 #include <linux/usb.h> 27 28 #include "em28xx.h" 29 #include <media/v4l2-common.h> 30 #include <dvb_demux.h> 31 #include <dvb_net.h> 32 #include <dmxdev.h> 33 #include <media/tuner.h> 34 #include "tuner-simple.h" 35 #include <linux/gpio.h> 36 37 #include "lgdt330x.h" 38 #include "lgdt3305.h" 39 #include "zl10353.h" 40 #include "s5h1409.h" 41 #include "mt352.h" 42 #include "mt352_priv.h" /* FIXME */ 43 #include "tda1002x.h" 44 #include "drx39xyj/drx39xxj.h" 45 #include "tda18271.h" 46 #include "s921.h" 47 #include "drxd.h" 48 #include "cxd2820r.h" 49 #include "tda18271c2dd.h" 50 #include "drxk.h" 51 #include "tda10071.h" 52 #include "tda18212.h" 53 #include "a8293.h" 54 #include "qt1010.h" 55 #include "mb86a20s.h" 56 #include "m88ds3103.h" 57 #include "m88ts2022.h" 58 #include "si2168.h" 59 #include "si2157.h" 60 61 MODULE_AUTHOR("Mauro Carvalho Chehab <mchehab@infradead.org>"); 62 MODULE_LICENSE("GPL"); 63 MODULE_DESCRIPTION(DRIVER_DESC " - digital TV interface"); 64 MODULE_VERSION(EM28XX_VERSION); 65 66 67 static unsigned int debug; 68 module_param(debug, int, 0644); 69 MODULE_PARM_DESC(debug, "enable debug messages [dvb]"); 70 71 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); 72 73 #define dprintk(level, fmt, arg...) do { \ 74 if (debug >= level) \ 75 printk(KERN_DEBUG "%s/2-dvb: " fmt, dev->name, ## arg); \ 76 } while (0) 77 78 struct em28xx_dvb { 79 struct dvb_frontend *fe[2]; 80 81 /* feed count management */ 82 struct mutex lock; 83 int nfeeds; 84 85 /* general boilerplate stuff */ 86 struct dvb_adapter adapter; 87 struct dvb_demux demux; 88 struct dmxdev dmxdev; 89 struct dmx_frontend fe_hw; 90 struct dmx_frontend fe_mem; 91 struct dvb_net net; 92 93 /* Due to DRX-K - probably need changes */ 94 int (*gate_ctrl)(struct dvb_frontend *, int); 95 struct semaphore pll_mutex; 96 bool dont_attach_fe1; 97 int lna_gpio; 98 struct i2c_client *i2c_client_demod; 99 struct i2c_client *i2c_client_tuner; 100 }; 101 102 103 static inline void print_err_status(struct em28xx *dev, 104 int packet, int status) 105 { 106 char *errmsg = "Unknown"; 107 108 switch (status) { 109 case -ENOENT: 110 errmsg = "unlinked synchronuously"; 111 break; 112 case -ECONNRESET: 113 errmsg = "unlinked asynchronuously"; 114 break; 115 case -ENOSR: 116 errmsg = "Buffer error (overrun)"; 117 break; 118 case -EPIPE: 119 errmsg = "Stalled (device not responding)"; 120 break; 121 case -EOVERFLOW: 122 errmsg = "Babble (bad cable?)"; 123 break; 124 case -EPROTO: 125 errmsg = "Bit-stuff error (bad cable?)"; 126 break; 127 case -EILSEQ: 128 errmsg = "CRC/Timeout (could be anything)"; 129 break; 130 case -ETIME: 131 errmsg = "Device does not respond"; 132 break; 133 } 134 if (packet < 0) { 135 dprintk(1, "URB status %d [%s].\n", status, errmsg); 136 } else { 137 dprintk(1, "URB packet %d, status %d [%s].\n", 138 packet, status, errmsg); 139 } 140 } 141 142 static inline int em28xx_dvb_urb_data_copy(struct em28xx *dev, struct urb *urb) 143 { 144 int xfer_bulk, num_packets, i; 145 146 if (!dev) 147 return 0; 148 149 if (dev->disconnected) 150 return 0; 151 152 if (urb->status < 0) 153 print_err_status(dev, -1, urb->status); 154 155 xfer_bulk = usb_pipebulk(urb->pipe); 156 157 if (xfer_bulk) /* bulk */ 158 num_packets = 1; 159 else /* isoc */ 160 num_packets = urb->number_of_packets; 161 162 for (i = 0; i < num_packets; i++) { 163 if (xfer_bulk) { 164 if (urb->status < 0) { 165 print_err_status(dev, i, urb->status); 166 if (urb->status != -EPROTO) 167 continue; 168 } 169 if (!urb->actual_length) 170 continue; 171 dvb_dmx_swfilter(&dev->dvb->demux, urb->transfer_buffer, 172 urb->actual_length); 173 } else { 174 if (urb->iso_frame_desc[i].status < 0) { 175 print_err_status(dev, i, 176 urb->iso_frame_desc[i].status); 177 if (urb->iso_frame_desc[i].status != -EPROTO) 178 continue; 179 } 180 if (!urb->iso_frame_desc[i].actual_length) 181 continue; 182 dvb_dmx_swfilter(&dev->dvb->demux, 183 urb->transfer_buffer + 184 urb->iso_frame_desc[i].offset, 185 urb->iso_frame_desc[i].actual_length); 186 } 187 } 188 189 return 0; 190 } 191 192 static int em28xx_start_streaming(struct em28xx_dvb *dvb) 193 { 194 int rc; 195 struct em28xx_i2c_bus *i2c_bus = dvb->adapter.priv; 196 struct em28xx *dev = i2c_bus->dev; 197 int dvb_max_packet_size, packet_multiplier, dvb_alt; 198 199 if (dev->dvb_xfer_bulk) { 200 if (!dev->dvb_ep_bulk) 201 return -ENODEV; 202 dvb_max_packet_size = 512; /* USB 2.0 spec */ 203 packet_multiplier = EM28XX_DVB_BULK_PACKET_MULTIPLIER; 204 dvb_alt = 0; 205 } else { /* isoc */ 206 if (!dev->dvb_ep_isoc) 207 return -ENODEV; 208 dvb_max_packet_size = dev->dvb_max_pkt_size_isoc; 209 if (dvb_max_packet_size < 0) 210 return dvb_max_packet_size; 211 packet_multiplier = EM28XX_DVB_NUM_ISOC_PACKETS; 212 dvb_alt = dev->dvb_alt_isoc; 213 } 214 215 usb_set_interface(dev->udev, dev->ifnum, dvb_alt); 216 rc = em28xx_set_mode(dev, EM28XX_DIGITAL_MODE); 217 if (rc < 0) 218 return rc; 219 220 dprintk(1, "Using %d buffers each with %d x %d bytes, alternate %d\n", 221 EM28XX_DVB_NUM_BUFS, 222 packet_multiplier, 223 dvb_max_packet_size, dvb_alt); 224 225 return em28xx_init_usb_xfer(dev, EM28XX_DIGITAL_MODE, 226 dev->dvb_xfer_bulk, 227 EM28XX_DVB_NUM_BUFS, 228 dvb_max_packet_size, 229 packet_multiplier, 230 em28xx_dvb_urb_data_copy); 231 } 232 233 static int em28xx_stop_streaming(struct em28xx_dvb *dvb) 234 { 235 struct em28xx_i2c_bus *i2c_bus = dvb->adapter.priv; 236 struct em28xx *dev = i2c_bus->dev; 237 238 em28xx_stop_urbs(dev); 239 240 return 0; 241 } 242 243 static int em28xx_start_feed(struct dvb_demux_feed *feed) 244 { 245 struct dvb_demux *demux = feed->demux; 246 struct em28xx_dvb *dvb = demux->priv; 247 int rc, ret; 248 249 if (!demux->dmx.frontend) 250 return -EINVAL; 251 252 mutex_lock(&dvb->lock); 253 dvb->nfeeds++; 254 rc = dvb->nfeeds; 255 256 if (dvb->nfeeds == 1) { 257 ret = em28xx_start_streaming(dvb); 258 if (ret < 0) 259 rc = ret; 260 } 261 262 mutex_unlock(&dvb->lock); 263 return rc; 264 } 265 266 static int em28xx_stop_feed(struct dvb_demux_feed *feed) 267 { 268 struct dvb_demux *demux = feed->demux; 269 struct em28xx_dvb *dvb = demux->priv; 270 int err = 0; 271 272 mutex_lock(&dvb->lock); 273 dvb->nfeeds--; 274 275 if (0 == dvb->nfeeds) 276 err = em28xx_stop_streaming(dvb); 277 278 mutex_unlock(&dvb->lock); 279 return err; 280 } 281 282 283 284 /* ------------------------------------------------------------------ */ 285 static int em28xx_dvb_bus_ctrl(struct dvb_frontend *fe, int acquire) 286 { 287 struct em28xx_i2c_bus *i2c_bus = fe->dvb->priv; 288 struct em28xx *dev = i2c_bus->dev; 289 290 if (acquire) 291 return em28xx_set_mode(dev, EM28XX_DIGITAL_MODE); 292 else 293 return em28xx_set_mode(dev, EM28XX_SUSPEND); 294 } 295 296 /* ------------------------------------------------------------------ */ 297 298 static struct lgdt330x_config em2880_lgdt3303_dev = { 299 .demod_address = 0x0e, 300 .demod_chip = LGDT3303, 301 }; 302 303 static struct lgdt3305_config em2870_lgdt3304_dev = { 304 .i2c_addr = 0x0e, 305 .demod_chip = LGDT3304, 306 .spectral_inversion = 1, 307 .deny_i2c_rptr = 1, 308 .mpeg_mode = LGDT3305_MPEG_PARALLEL, 309 .tpclk_edge = LGDT3305_TPCLK_FALLING_EDGE, 310 .tpvalid_polarity = LGDT3305_TP_VALID_HIGH, 311 .vsb_if_khz = 3250, 312 .qam_if_khz = 4000, 313 }; 314 315 static struct lgdt3305_config em2874_lgdt3305_dev = { 316 .i2c_addr = 0x0e, 317 .demod_chip = LGDT3305, 318 .spectral_inversion = 1, 319 .deny_i2c_rptr = 0, 320 .mpeg_mode = LGDT3305_MPEG_SERIAL, 321 .tpclk_edge = LGDT3305_TPCLK_FALLING_EDGE, 322 .tpvalid_polarity = LGDT3305_TP_VALID_HIGH, 323 .vsb_if_khz = 3250, 324 .qam_if_khz = 4000, 325 }; 326 327 static struct lgdt3305_config em2874_lgdt3305_nogate_dev = { 328 .i2c_addr = 0x0e, 329 .demod_chip = LGDT3305, 330 .spectral_inversion = 1, 331 .deny_i2c_rptr = 1, 332 .mpeg_mode = LGDT3305_MPEG_SERIAL, 333 .tpclk_edge = LGDT3305_TPCLK_FALLING_EDGE, 334 .tpvalid_polarity = LGDT3305_TP_VALID_HIGH, 335 .vsb_if_khz = 3600, 336 .qam_if_khz = 3600, 337 }; 338 339 static struct s921_config sharp_isdbt = { 340 .demod_address = 0x30 >> 1 341 }; 342 343 static struct zl10353_config em28xx_zl10353_with_xc3028 = { 344 .demod_address = (0x1e >> 1), 345 .no_tuner = 1, 346 .parallel_ts = 1, 347 .if2 = 45600, 348 }; 349 350 static struct s5h1409_config em28xx_s5h1409_with_xc3028 = { 351 .demod_address = 0x32 >> 1, 352 .output_mode = S5H1409_PARALLEL_OUTPUT, 353 .gpio = S5H1409_GPIO_OFF, 354 .inversion = S5H1409_INVERSION_OFF, 355 .status_mode = S5H1409_DEMODLOCKING, 356 .mpeg_timing = S5H1409_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK 357 }; 358 359 static struct tda18271_std_map kworld_a340_std_map = { 360 .atsc_6 = { .if_freq = 3250, .agc_mode = 3, .std = 0, 361 .if_lvl = 1, .rfagc_top = 0x37, }, 362 .qam_6 = { .if_freq = 4000, .agc_mode = 3, .std = 1, 363 .if_lvl = 1, .rfagc_top = 0x37, }, 364 }; 365 366 static struct tda18271_config kworld_a340_config = { 367 .std_map = &kworld_a340_std_map, 368 }; 369 370 static struct tda18271_config kworld_ub435q_v2_config = { 371 .std_map = &kworld_a340_std_map, 372 .gate = TDA18271_GATE_DIGITAL, 373 }; 374 375 static struct tda18212_config kworld_ub435q_v3_config = { 376 .if_atsc_vsb = 3600, 377 .if_atsc_qam = 3600, 378 }; 379 380 static struct zl10353_config em28xx_zl10353_xc3028_no_i2c_gate = { 381 .demod_address = (0x1e >> 1), 382 .no_tuner = 1, 383 .disable_i2c_gate_ctrl = 1, 384 .parallel_ts = 1, 385 .if2 = 45600, 386 }; 387 388 static struct drxd_config em28xx_drxd = { 389 .demod_address = 0x70, 390 .demod_revision = 0xa2, 391 .pll_type = DRXD_PLL_NONE, 392 .clock = 12000, 393 .insert_rs_byte = 1, 394 .IF = 42800000, 395 .disable_i2c_gate_ctrl = 1, 396 }; 397 398 static struct drxk_config terratec_h5_drxk = { 399 .adr = 0x29, 400 .single_master = 1, 401 .no_i2c_bridge = 1, 402 .microcode_name = "dvb-usb-terratec-h5-drxk.fw", 403 .qam_demod_parameter_count = 2, 404 }; 405 406 static struct drxk_config hauppauge_930c_drxk = { 407 .adr = 0x29, 408 .single_master = 1, 409 .no_i2c_bridge = 1, 410 .microcode_name = "dvb-usb-hauppauge-hvr930c-drxk.fw", 411 .chunk_size = 56, 412 .qam_demod_parameter_count = 2, 413 }; 414 415 static struct drxk_config terratec_htc_stick_drxk = { 416 .adr = 0x29, 417 .single_master = 1, 418 .no_i2c_bridge = 1, 419 .microcode_name = "dvb-usb-terratec-htc-stick-drxk.fw", 420 .chunk_size = 54, 421 .qam_demod_parameter_count = 2, 422 /* Required for the antenna_gpio to disable LNA. */ 423 .antenna_dvbt = true, 424 /* The windows driver uses the same. This will disable LNA. */ 425 .antenna_gpio = 0x6, 426 }; 427 428 static struct drxk_config maxmedia_ub425_tc_drxk = { 429 .adr = 0x29, 430 .single_master = 1, 431 .no_i2c_bridge = 1, 432 .microcode_name = "dvb-demod-drxk-01.fw", 433 .chunk_size = 62, 434 .qam_demod_parameter_count = 2, 435 }; 436 437 static struct drxk_config pctv_520e_drxk = { 438 .adr = 0x29, 439 .single_master = 1, 440 .microcode_name = "dvb-demod-drxk-pctv.fw", 441 .qam_demod_parameter_count = 2, 442 .chunk_size = 58, 443 .antenna_dvbt = true, /* disable LNA */ 444 .antenna_gpio = (1 << 2), /* disable LNA */ 445 }; 446 447 static int drxk_gate_ctrl(struct dvb_frontend *fe, int enable) 448 { 449 struct em28xx_dvb *dvb = fe->sec_priv; 450 int status; 451 452 if (!dvb) 453 return -EINVAL; 454 455 if (enable) { 456 down(&dvb->pll_mutex); 457 status = dvb->gate_ctrl(fe, 1); 458 } else { 459 status = dvb->gate_ctrl(fe, 0); 460 up(&dvb->pll_mutex); 461 } 462 return status; 463 } 464 465 static void hauppauge_hvr930c_init(struct em28xx *dev) 466 { 467 int i; 468 469 struct em28xx_reg_seq hauppauge_hvr930c_init[] = { 470 {EM2874_R80_GPIO_P0_CTRL, 0xff, 0xff, 0x65}, 471 {EM2874_R80_GPIO_P0_CTRL, 0xfb, 0xff, 0x32}, 472 {EM2874_R80_GPIO_P0_CTRL, 0xff, 0xff, 0xb8}, 473 { -1, -1, -1, -1}, 474 }; 475 struct em28xx_reg_seq hauppauge_hvr930c_end[] = { 476 {EM2874_R80_GPIO_P0_CTRL, 0xef, 0xff, 0x01}, 477 {EM2874_R80_GPIO_P0_CTRL, 0xaf, 0xff, 0x65}, 478 {EM2874_R80_GPIO_P0_CTRL, 0xef, 0xff, 0x76}, 479 {EM2874_R80_GPIO_P0_CTRL, 0xef, 0xff, 0x01}, 480 {EM2874_R80_GPIO_P0_CTRL, 0xcf, 0xff, 0x0b}, 481 {EM2874_R80_GPIO_P0_CTRL, 0xef, 0xff, 0x40}, 482 483 {EM2874_R80_GPIO_P0_CTRL, 0xcf, 0xff, 0x65}, 484 {EM2874_R80_GPIO_P0_CTRL, 0xef, 0xff, 0x65}, 485 {EM2874_R80_GPIO_P0_CTRL, 0xcf, 0xff, 0x0b}, 486 {EM2874_R80_GPIO_P0_CTRL, 0xef, 0xff, 0x65}, 487 488 { -1, -1, -1, -1}, 489 }; 490 491 struct { 492 unsigned char r[4]; 493 int len; 494 } regs[] = { 495 {{ 0x06, 0x02, 0x00, 0x31 }, 4}, 496 {{ 0x01, 0x02 }, 2}, 497 {{ 0x01, 0x02, 0x00, 0xc6 }, 4}, 498 {{ 0x01, 0x00 }, 2}, 499 {{ 0x01, 0x00, 0xff, 0xaf }, 4}, 500 {{ 0x01, 0x00, 0x03, 0xa0 }, 4}, 501 {{ 0x01, 0x00 }, 2}, 502 {{ 0x01, 0x00, 0x73, 0xaf }, 4}, 503 {{ 0x04, 0x00 }, 2}, 504 {{ 0x00, 0x04 }, 2}, 505 {{ 0x00, 0x04, 0x00, 0x0a }, 4}, 506 {{ 0x04, 0x14 }, 2}, 507 {{ 0x04, 0x14, 0x00, 0x00 }, 4}, 508 }; 509 510 em28xx_gpio_set(dev, hauppauge_hvr930c_init); 511 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40); 512 msleep(10); 513 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x44); 514 msleep(10); 515 516 dev->i2c_client[dev->def_i2c_bus].addr = 0x82 >> 1; 517 518 for (i = 0; i < ARRAY_SIZE(regs); i++) 519 i2c_master_send(&dev->i2c_client[dev->def_i2c_bus], regs[i].r, regs[i].len); 520 em28xx_gpio_set(dev, hauppauge_hvr930c_end); 521 522 msleep(100); 523 524 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x44); 525 msleep(30); 526 527 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x45); 528 msleep(10); 529 530 } 531 532 static void terratec_h5_init(struct em28xx *dev) 533 { 534 int i; 535 struct em28xx_reg_seq terratec_h5_init[] = { 536 {EM2820_R08_GPIO_CTRL, 0xff, 0xff, 10}, 537 {EM2874_R80_GPIO_P0_CTRL, 0xf6, 0xff, 100}, 538 {EM2874_R80_GPIO_P0_CTRL, 0xf2, 0xff, 50}, 539 {EM2874_R80_GPIO_P0_CTRL, 0xf6, 0xff, 100}, 540 { -1, -1, -1, -1}, 541 }; 542 struct em28xx_reg_seq terratec_h5_end[] = { 543 {EM2874_R80_GPIO_P0_CTRL, 0xe6, 0xff, 100}, 544 {EM2874_R80_GPIO_P0_CTRL, 0xa6, 0xff, 50}, 545 {EM2874_R80_GPIO_P0_CTRL, 0xe6, 0xff, 100}, 546 { -1, -1, -1, -1}, 547 }; 548 struct { 549 unsigned char r[4]; 550 int len; 551 } regs[] = { 552 {{ 0x06, 0x02, 0x00, 0x31 }, 4}, 553 {{ 0x01, 0x02 }, 2}, 554 {{ 0x01, 0x02, 0x00, 0xc6 }, 4}, 555 {{ 0x01, 0x00 }, 2}, 556 {{ 0x01, 0x00, 0xff, 0xaf }, 4}, 557 {{ 0x01, 0x00, 0x03, 0xa0 }, 4}, 558 {{ 0x01, 0x00 }, 2}, 559 {{ 0x01, 0x00, 0x73, 0xaf }, 4}, 560 {{ 0x04, 0x00 }, 2}, 561 {{ 0x00, 0x04 }, 2}, 562 {{ 0x00, 0x04, 0x00, 0x0a }, 4}, 563 {{ 0x04, 0x14 }, 2}, 564 {{ 0x04, 0x14, 0x00, 0x00 }, 4}, 565 }; 566 567 em28xx_gpio_set(dev, terratec_h5_init); 568 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40); 569 msleep(10); 570 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x45); 571 msleep(10); 572 573 dev->i2c_client[dev->def_i2c_bus].addr = 0x82 >> 1; 574 575 for (i = 0; i < ARRAY_SIZE(regs); i++) 576 i2c_master_send(&dev->i2c_client[dev->def_i2c_bus], regs[i].r, regs[i].len); 577 em28xx_gpio_set(dev, terratec_h5_end); 578 }; 579 580 static void terratec_htc_stick_init(struct em28xx *dev) 581 { 582 int i; 583 584 /* 585 * GPIO configuration: 586 * 0xff: unknown (does not affect DVB-T). 587 * 0xf6: DRX-K (demodulator). 588 * 0xe6: unknown (does not affect DVB-T). 589 * 0xb6: unknown (does not affect DVB-T). 590 */ 591 struct em28xx_reg_seq terratec_htc_stick_init[] = { 592 {EM2820_R08_GPIO_CTRL, 0xff, 0xff, 10}, 593 {EM2874_R80_GPIO_P0_CTRL, 0xf6, 0xff, 100}, 594 {EM2874_R80_GPIO_P0_CTRL, 0xe6, 0xff, 50}, 595 {EM2874_R80_GPIO_P0_CTRL, 0xf6, 0xff, 100}, 596 { -1, -1, -1, -1}, 597 }; 598 struct em28xx_reg_seq terratec_htc_stick_end[] = { 599 {EM2874_R80_GPIO_P0_CTRL, 0xb6, 0xff, 100}, 600 {EM2874_R80_GPIO_P0_CTRL, 0xf6, 0xff, 50}, 601 { -1, -1, -1, -1}, 602 }; 603 604 /* 605 * Init the analog decoder (not yet supported), but 606 * it's probably still a good idea. 607 */ 608 struct { 609 unsigned char r[4]; 610 int len; 611 } regs[] = { 612 {{ 0x06, 0x02, 0x00, 0x31 }, 4}, 613 {{ 0x01, 0x02 }, 2}, 614 {{ 0x01, 0x02, 0x00, 0xc6 }, 4}, 615 {{ 0x01, 0x00 }, 2}, 616 {{ 0x01, 0x00, 0xff, 0xaf }, 4}, 617 }; 618 619 em28xx_gpio_set(dev, terratec_htc_stick_init); 620 621 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40); 622 msleep(10); 623 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x44); 624 msleep(10); 625 626 dev->i2c_client[dev->def_i2c_bus].addr = 0x82 >> 1; 627 628 for (i = 0; i < ARRAY_SIZE(regs); i++) 629 i2c_master_send(&dev->i2c_client[dev->def_i2c_bus], regs[i].r, regs[i].len); 630 631 em28xx_gpio_set(dev, terratec_htc_stick_end); 632 }; 633 634 static void terratec_htc_usb_xs_init(struct em28xx *dev) 635 { 636 int i; 637 638 struct em28xx_reg_seq terratec_htc_usb_xs_init[] = { 639 {EM2820_R08_GPIO_CTRL, 0xff, 0xff, 10}, 640 {EM2874_R80_GPIO_P0_CTRL, 0xb2, 0xff, 100}, 641 {EM2874_R80_GPIO_P0_CTRL, 0xb2, 0xff, 50}, 642 {EM2874_R80_GPIO_P0_CTRL, 0xb6, 0xff, 100}, 643 { -1, -1, -1, -1}, 644 }; 645 struct em28xx_reg_seq terratec_htc_usb_xs_end[] = { 646 {EM2874_R80_GPIO_P0_CTRL, 0xa6, 0xff, 100}, 647 {EM2874_R80_GPIO_P0_CTRL, 0xa6, 0xff, 50}, 648 {EM2874_R80_GPIO_P0_CTRL, 0xe6, 0xff, 100}, 649 { -1, -1, -1, -1}, 650 }; 651 652 /* 653 * Init the analog decoder (not yet supported), but 654 * it's probably still a good idea. 655 */ 656 struct { 657 unsigned char r[4]; 658 int len; 659 } regs[] = { 660 {{ 0x06, 0x02, 0x00, 0x31 }, 4}, 661 {{ 0x01, 0x02 }, 2}, 662 {{ 0x01, 0x02, 0x00, 0xc6 }, 4}, 663 {{ 0x01, 0x00 }, 2}, 664 {{ 0x01, 0x00, 0xff, 0xaf }, 4}, 665 {{ 0x01, 0x00, 0x03, 0xa0 }, 4}, 666 {{ 0x01, 0x00 }, 2}, 667 {{ 0x01, 0x00, 0x73, 0xaf }, 4}, 668 {{ 0x04, 0x00 }, 2}, 669 {{ 0x00, 0x04 }, 2}, 670 {{ 0x00, 0x04, 0x00, 0x0a }, 4}, 671 {{ 0x04, 0x14 }, 2}, 672 {{ 0x04, 0x14, 0x00, 0x00 }, 4}, 673 }; 674 675 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40); 676 677 em28xx_gpio_set(dev, terratec_htc_usb_xs_init); 678 679 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40); 680 msleep(10); 681 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x44); 682 msleep(10); 683 684 dev->i2c_client[dev->def_i2c_bus].addr = 0x82 >> 1; 685 686 for (i = 0; i < ARRAY_SIZE(regs); i++) 687 i2c_master_send(&dev->i2c_client[dev->def_i2c_bus], regs[i].r, regs[i].len); 688 689 em28xx_gpio_set(dev, terratec_htc_usb_xs_end); 690 }; 691 692 static void pctv_520e_init(struct em28xx *dev) 693 { 694 /* 695 * Init AVF4910B analog decoder. Looks like I2C traffic to 696 * digital demodulator and tuner are routed via AVF4910B. 697 */ 698 int i; 699 struct { 700 unsigned char r[4]; 701 int len; 702 } regs[] = { 703 {{ 0x06, 0x02, 0x00, 0x31 }, 4}, 704 {{ 0x01, 0x02 }, 2}, 705 {{ 0x01, 0x02, 0x00, 0xc6 }, 4}, 706 {{ 0x01, 0x00 }, 2}, 707 {{ 0x01, 0x00, 0xff, 0xaf }, 4}, 708 {{ 0x01, 0x00, 0x03, 0xa0 }, 4}, 709 {{ 0x01, 0x00 }, 2}, 710 {{ 0x01, 0x00, 0x73, 0xaf }, 4}, 711 }; 712 713 dev->i2c_client[dev->def_i2c_bus].addr = 0x82 >> 1; /* 0x41 */ 714 715 for (i = 0; i < ARRAY_SIZE(regs); i++) 716 i2c_master_send(&dev->i2c_client[dev->def_i2c_bus], regs[i].r, regs[i].len); 717 }; 718 719 static int em28xx_pctv_290e_set_lna(struct dvb_frontend *fe) 720 { 721 struct dtv_frontend_properties *c = &fe->dtv_property_cache; 722 struct em28xx_i2c_bus *i2c_bus = fe->dvb->priv; 723 struct em28xx *dev = i2c_bus->dev; 724 #ifdef CONFIG_GPIOLIB 725 struct em28xx_dvb *dvb = dev->dvb; 726 int ret; 727 unsigned long flags; 728 729 if (c->lna == 1) 730 flags = GPIOF_OUT_INIT_HIGH; /* enable LNA */ 731 else 732 flags = GPIOF_OUT_INIT_LOW; /* disable LNA */ 733 734 ret = gpio_request_one(dvb->lna_gpio, flags, NULL); 735 if (ret) 736 em28xx_errdev("gpio request failed %d\n", ret); 737 else 738 gpio_free(dvb->lna_gpio); 739 740 return ret; 741 #else 742 dev_warn(&dev->udev->dev, "%s: LNA control is disabled (lna=%u)\n", 743 KBUILD_MODNAME, c->lna); 744 return 0; 745 #endif 746 } 747 748 static int em28xx_pctv_292e_set_lna(struct dvb_frontend *fe) 749 { 750 struct dtv_frontend_properties *c = &fe->dtv_property_cache; 751 struct em28xx_i2c_bus *i2c_bus = fe->dvb->priv; 752 struct em28xx *dev = i2c_bus->dev; 753 u8 lna; 754 755 if (c->lna == 1) 756 lna = 0x01; 757 else 758 lna = 0x00; 759 760 return em28xx_write_reg_bits(dev, EM2874_R80_GPIO_P0_CTRL, lna, 0x01); 761 } 762 763 static int em28xx_mt352_terratec_xs_init(struct dvb_frontend *fe) 764 { 765 /* Values extracted from a USB trace of the Terratec Windows driver */ 766 static u8 clock_config[] = { CLOCK_CTL, 0x38, 0x2c }; 767 static u8 reset[] = { RESET, 0x80 }; 768 static u8 adc_ctl_1_cfg[] = { ADC_CTL_1, 0x40 }; 769 static u8 agc_cfg[] = { AGC_TARGET, 0x28, 0xa0 }; 770 static u8 input_freq_cfg[] = { INPUT_FREQ_1, 0x31, 0xb8 }; 771 static u8 rs_err_cfg[] = { RS_ERR_PER_1, 0x00, 0x4d }; 772 static u8 capt_range_cfg[] = { CAPT_RANGE, 0x32 }; 773 static u8 trl_nom_cfg[] = { TRL_NOMINAL_RATE_1, 0x64, 0x00 }; 774 static u8 tps_given_cfg[] = { TPS_GIVEN_1, 0x40, 0x80, 0x50 }; 775 static u8 tuner_go[] = { TUNER_GO, 0x01}; 776 777 mt352_write(fe, clock_config, sizeof(clock_config)); 778 udelay(200); 779 mt352_write(fe, reset, sizeof(reset)); 780 mt352_write(fe, adc_ctl_1_cfg, sizeof(adc_ctl_1_cfg)); 781 mt352_write(fe, agc_cfg, sizeof(agc_cfg)); 782 mt352_write(fe, input_freq_cfg, sizeof(input_freq_cfg)); 783 mt352_write(fe, rs_err_cfg, sizeof(rs_err_cfg)); 784 mt352_write(fe, capt_range_cfg, sizeof(capt_range_cfg)); 785 mt352_write(fe, trl_nom_cfg, sizeof(trl_nom_cfg)); 786 mt352_write(fe, tps_given_cfg, sizeof(tps_given_cfg)); 787 mt352_write(fe, tuner_go, sizeof(tuner_go)); 788 return 0; 789 } 790 791 static struct mt352_config terratec_xs_mt352_cfg = { 792 .demod_address = (0x1e >> 1), 793 .no_tuner = 1, 794 .if2 = 45600, 795 .demod_init = em28xx_mt352_terratec_xs_init, 796 }; 797 798 static struct tda10023_config em28xx_tda10023_config = { 799 .demod_address = 0x0c, 800 .invert = 1, 801 }; 802 803 static struct cxd2820r_config em28xx_cxd2820r_config = { 804 .i2c_address = (0xd8 >> 1), 805 .ts_mode = CXD2820R_TS_SERIAL, 806 }; 807 808 static struct tda18271_config em28xx_cxd2820r_tda18271_config = { 809 .output_opt = TDA18271_OUTPUT_LT_OFF, 810 .gate = TDA18271_GATE_DIGITAL, 811 }; 812 813 static const struct tda10071_config em28xx_tda10071_config = { 814 .demod_i2c_addr = 0x55, /* (0xaa >> 1) */ 815 .tuner_i2c_addr = 0x14, 816 .i2c_wr_max = 64, 817 .ts_mode = TDA10071_TS_SERIAL, 818 .spec_inv = 0, 819 .xtal = 40444000, /* 40.444 MHz */ 820 .pll_multiplier = 20, 821 }; 822 823 static const struct a8293_config em28xx_a8293_config = { 824 .i2c_addr = 0x08, /* (0x10 >> 1) */ 825 }; 826 827 static struct zl10353_config em28xx_zl10353_no_i2c_gate_dev = { 828 .demod_address = (0x1e >> 1), 829 .disable_i2c_gate_ctrl = 1, 830 .no_tuner = 1, 831 .parallel_ts = 1, 832 }; 833 static struct qt1010_config em28xx_qt1010_config = { 834 .i2c_address = 0x62 835 }; 836 837 static const struct mb86a20s_config c3tech_duo_mb86a20s_config = { 838 .demod_address = 0x10, 839 .is_serial = true, 840 }; 841 842 static struct tda18271_std_map mb86a20s_tda18271_config = { 843 .dvbt_6 = { .if_freq = 4000, .agc_mode = 3, .std = 4, 844 .if_lvl = 1, .rfagc_top = 0x37, }, 845 }; 846 847 static struct tda18271_config c3tech_duo_tda18271_config = { 848 .std_map = &mb86a20s_tda18271_config, 849 .gate = TDA18271_GATE_DIGITAL, 850 .small_i2c = TDA18271_03_BYTE_CHUNK_INIT, 851 }; 852 853 static const struct m88ds3103_config pctv_461e_m88ds3103_config = { 854 .i2c_addr = 0x68, 855 .clock = 27000000, 856 .i2c_wr_max = 33, 857 .clock_out = 0, 858 .ts_mode = M88DS3103_TS_PARALLEL, 859 .ts_clk = 16000, 860 .ts_clk_pol = 1, 861 .agc = 0x99, 862 }; 863 864 865 static struct tda18271_std_map drx_j_std_map = { 866 .atsc_6 = { .if_freq = 5000, .agc_mode = 3, .std = 0, .if_lvl = 1, 867 .rfagc_top = 0x37, }, 868 .qam_6 = { .if_freq = 5380, .agc_mode = 3, .std = 3, .if_lvl = 1, 869 .rfagc_top = 0x37, }, 870 }; 871 872 static struct tda18271_config pinnacle_80e_dvb_config = { 873 .std_map = &drx_j_std_map, 874 .gate = TDA18271_GATE_DIGITAL, 875 .role = TDA18271_MASTER, 876 }; 877 878 /* ------------------------------------------------------------------ */ 879 880 static int em28xx_attach_xc3028(u8 addr, struct em28xx *dev) 881 { 882 struct dvb_frontend *fe; 883 struct xc2028_config cfg; 884 struct xc2028_ctrl ctl; 885 886 memset(&cfg, 0, sizeof(cfg)); 887 cfg.i2c_adap = &dev->i2c_adap[dev->def_i2c_bus]; 888 cfg.i2c_addr = addr; 889 890 memset(&ctl, 0, sizeof(ctl)); 891 em28xx_setup_xc3028(dev, &ctl); 892 cfg.ctrl = &ctl; 893 894 if (!dev->dvb->fe[0]) { 895 em28xx_errdev("/2: dvb frontend not attached. " 896 "Can't attach xc3028\n"); 897 return -EINVAL; 898 } 899 900 fe = dvb_attach(xc2028_attach, dev->dvb->fe[0], &cfg); 901 if (!fe) { 902 em28xx_errdev("/2: xc3028 attach failed\n"); 903 dvb_frontend_detach(dev->dvb->fe[0]); 904 dev->dvb->fe[0] = NULL; 905 return -EINVAL; 906 } 907 908 em28xx_info("%s/2: xc3028 attached\n", dev->name); 909 910 return 0; 911 } 912 913 /* ------------------------------------------------------------------ */ 914 915 static int em28xx_register_dvb(struct em28xx_dvb *dvb, struct module *module, 916 struct em28xx *dev, struct device *device) 917 { 918 int result; 919 920 mutex_init(&dvb->lock); 921 922 /* register adapter */ 923 result = dvb_register_adapter(&dvb->adapter, dev->name, module, device, 924 adapter_nr); 925 if (result < 0) { 926 printk(KERN_WARNING "%s: dvb_register_adapter failed (errno = %d)\n", 927 dev->name, result); 928 goto fail_adapter; 929 } 930 931 /* Ensure all frontends negotiate bus access */ 932 dvb->fe[0]->ops.ts_bus_ctrl = em28xx_dvb_bus_ctrl; 933 if (dvb->fe[1]) 934 dvb->fe[1]->ops.ts_bus_ctrl = em28xx_dvb_bus_ctrl; 935 936 dvb->adapter.priv = &dev->i2c_bus[dev->def_i2c_bus]; 937 938 /* register frontend */ 939 result = dvb_register_frontend(&dvb->adapter, dvb->fe[0]); 940 if (result < 0) { 941 printk(KERN_WARNING "%s: dvb_register_frontend failed (errno = %d)\n", 942 dev->name, result); 943 goto fail_frontend0; 944 } 945 946 /* register 2nd frontend */ 947 if (dvb->fe[1]) { 948 result = dvb_register_frontend(&dvb->adapter, dvb->fe[1]); 949 if (result < 0) { 950 printk(KERN_WARNING "%s: 2nd dvb_register_frontend failed (errno = %d)\n", 951 dev->name, result); 952 goto fail_frontend1; 953 } 954 } 955 956 /* register demux stuff */ 957 dvb->demux.dmx.capabilities = 958 DMX_TS_FILTERING | DMX_SECTION_FILTERING | 959 DMX_MEMORY_BASED_FILTERING; 960 dvb->demux.priv = dvb; 961 dvb->demux.filternum = 256; 962 dvb->demux.feednum = 256; 963 dvb->demux.start_feed = em28xx_start_feed; 964 dvb->demux.stop_feed = em28xx_stop_feed; 965 966 result = dvb_dmx_init(&dvb->demux); 967 if (result < 0) { 968 printk(KERN_WARNING "%s: dvb_dmx_init failed (errno = %d)\n", 969 dev->name, result); 970 goto fail_dmx; 971 } 972 973 dvb->dmxdev.filternum = 256; 974 dvb->dmxdev.demux = &dvb->demux.dmx; 975 dvb->dmxdev.capabilities = 0; 976 result = dvb_dmxdev_init(&dvb->dmxdev, &dvb->adapter); 977 if (result < 0) { 978 printk(KERN_WARNING "%s: dvb_dmxdev_init failed (errno = %d)\n", 979 dev->name, result); 980 goto fail_dmxdev; 981 } 982 983 dvb->fe_hw.source = DMX_FRONTEND_0; 984 result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_hw); 985 if (result < 0) { 986 printk(KERN_WARNING "%s: add_frontend failed (DMX_FRONTEND_0, errno = %d)\n", 987 dev->name, result); 988 goto fail_fe_hw; 989 } 990 991 dvb->fe_mem.source = DMX_MEMORY_FE; 992 result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_mem); 993 if (result < 0) { 994 printk(KERN_WARNING "%s: add_frontend failed (DMX_MEMORY_FE, errno = %d)\n", 995 dev->name, result); 996 goto fail_fe_mem; 997 } 998 999 result = dvb->demux.dmx.connect_frontend(&dvb->demux.dmx, &dvb->fe_hw); 1000 if (result < 0) { 1001 printk(KERN_WARNING "%s: connect_frontend failed (errno = %d)\n", 1002 dev->name, result); 1003 goto fail_fe_conn; 1004 } 1005 1006 /* register network adapter */ 1007 dvb_net_init(&dvb->adapter, &dvb->net, &dvb->demux.dmx); 1008 return 0; 1009 1010 fail_fe_conn: 1011 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem); 1012 fail_fe_mem: 1013 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw); 1014 fail_fe_hw: 1015 dvb_dmxdev_release(&dvb->dmxdev); 1016 fail_dmxdev: 1017 dvb_dmx_release(&dvb->demux); 1018 fail_dmx: 1019 if (dvb->fe[1]) 1020 dvb_unregister_frontend(dvb->fe[1]); 1021 dvb_unregister_frontend(dvb->fe[0]); 1022 fail_frontend1: 1023 if (dvb->fe[1]) 1024 dvb_frontend_detach(dvb->fe[1]); 1025 fail_frontend0: 1026 dvb_frontend_detach(dvb->fe[0]); 1027 dvb_unregister_adapter(&dvb->adapter); 1028 fail_adapter: 1029 return result; 1030 } 1031 1032 static void em28xx_unregister_dvb(struct em28xx_dvb *dvb) 1033 { 1034 dvb_net_release(&dvb->net); 1035 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem); 1036 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw); 1037 dvb_dmxdev_release(&dvb->dmxdev); 1038 dvb_dmx_release(&dvb->demux); 1039 if (dvb->fe[1]) 1040 dvb_unregister_frontend(dvb->fe[1]); 1041 dvb_unregister_frontend(dvb->fe[0]); 1042 if (dvb->fe[1] && !dvb->dont_attach_fe1) 1043 dvb_frontend_detach(dvb->fe[1]); 1044 dvb_frontend_detach(dvb->fe[0]); 1045 dvb_unregister_adapter(&dvb->adapter); 1046 } 1047 1048 static int em28xx_dvb_init(struct em28xx *dev) 1049 { 1050 int result = 0, mfe_shared = 0; 1051 struct em28xx_dvb *dvb; 1052 1053 if (dev->is_audio_only) { 1054 /* Shouldn't initialize IR for this interface */ 1055 return 0; 1056 } 1057 1058 if (!dev->board.has_dvb) { 1059 /* This device does not support the extension */ 1060 return 0; 1061 } 1062 1063 em28xx_info("Binding DVB extension\n"); 1064 1065 dvb = kzalloc(sizeof(struct em28xx_dvb), GFP_KERNEL); 1066 if (dvb == NULL) { 1067 em28xx_info("em28xx_dvb: memory allocation failed\n"); 1068 return -ENOMEM; 1069 } 1070 dev->dvb = dvb; 1071 dvb->fe[0] = dvb->fe[1] = NULL; 1072 1073 /* pre-allocate DVB usb transfer buffers */ 1074 if (dev->dvb_xfer_bulk) { 1075 result = em28xx_alloc_urbs(dev, EM28XX_DIGITAL_MODE, 1076 dev->dvb_xfer_bulk, 1077 EM28XX_DVB_NUM_BUFS, 1078 512, 1079 EM28XX_DVB_BULK_PACKET_MULTIPLIER); 1080 } else { 1081 result = em28xx_alloc_urbs(dev, EM28XX_DIGITAL_MODE, 1082 dev->dvb_xfer_bulk, 1083 EM28XX_DVB_NUM_BUFS, 1084 dev->dvb_max_pkt_size_isoc, 1085 EM28XX_DVB_NUM_ISOC_PACKETS); 1086 } 1087 if (result) { 1088 em28xx_errdev("em28xx_dvb: failed to pre-allocate USB transfer buffers for DVB.\n"); 1089 kfree(dvb); 1090 dev->dvb = NULL; 1091 return result; 1092 } 1093 1094 mutex_lock(&dev->lock); 1095 em28xx_set_mode(dev, EM28XX_DIGITAL_MODE); 1096 /* init frontend */ 1097 switch (dev->model) { 1098 case EM2874_BOARD_LEADERSHIP_ISDBT: 1099 dvb->fe[0] = dvb_attach(s921_attach, 1100 &sharp_isdbt, &dev->i2c_adap[dev->def_i2c_bus]); 1101 1102 if (!dvb->fe[0]) { 1103 result = -EINVAL; 1104 goto out_free; 1105 } 1106 1107 break; 1108 case EM2883_BOARD_HAUPPAUGE_WINTV_HVR_850: 1109 case EM2883_BOARD_HAUPPAUGE_WINTV_HVR_950: 1110 case EM2880_BOARD_PINNACLE_PCTV_HD_PRO: 1111 case EM2880_BOARD_AMD_ATI_TV_WONDER_HD_600: 1112 dvb->fe[0] = dvb_attach(lgdt330x_attach, 1113 &em2880_lgdt3303_dev, 1114 &dev->i2c_adap[dev->def_i2c_bus]); 1115 if (em28xx_attach_xc3028(0x61, dev) < 0) { 1116 result = -EINVAL; 1117 goto out_free; 1118 } 1119 break; 1120 case EM2880_BOARD_KWORLD_DVB_310U: 1121 dvb->fe[0] = dvb_attach(zl10353_attach, 1122 &em28xx_zl10353_with_xc3028, 1123 &dev->i2c_adap[dev->def_i2c_bus]); 1124 if (em28xx_attach_xc3028(0x61, dev) < 0) { 1125 result = -EINVAL; 1126 goto out_free; 1127 } 1128 break; 1129 case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900: 1130 case EM2882_BOARD_TERRATEC_HYBRID_XS: 1131 case EM2880_BOARD_EMPIRE_DUAL_TV: 1132 dvb->fe[0] = dvb_attach(zl10353_attach, 1133 &em28xx_zl10353_xc3028_no_i2c_gate, 1134 &dev->i2c_adap[dev->def_i2c_bus]); 1135 if (em28xx_attach_xc3028(0x61, dev) < 0) { 1136 result = -EINVAL; 1137 goto out_free; 1138 } 1139 break; 1140 case EM2880_BOARD_TERRATEC_HYBRID_XS: 1141 case EM2880_BOARD_TERRATEC_HYBRID_XS_FR: 1142 case EM2881_BOARD_PINNACLE_HYBRID_PRO: 1143 case EM2882_BOARD_DIKOM_DK300: 1144 case EM2882_BOARD_KWORLD_VS_DVBT: 1145 dvb->fe[0] = dvb_attach(zl10353_attach, 1146 &em28xx_zl10353_xc3028_no_i2c_gate, 1147 &dev->i2c_adap[dev->def_i2c_bus]); 1148 if (dvb->fe[0] == NULL) { 1149 /* This board could have either a zl10353 or a mt352. 1150 If the chip id isn't for zl10353, try mt352 */ 1151 dvb->fe[0] = dvb_attach(mt352_attach, 1152 &terratec_xs_mt352_cfg, 1153 &dev->i2c_adap[dev->def_i2c_bus]); 1154 } 1155 1156 if (em28xx_attach_xc3028(0x61, dev) < 0) { 1157 result = -EINVAL; 1158 goto out_free; 1159 } 1160 break; 1161 case EM2870_BOARD_KWORLD_355U: 1162 dvb->fe[0] = dvb_attach(zl10353_attach, 1163 &em28xx_zl10353_no_i2c_gate_dev, 1164 &dev->i2c_adap[dev->def_i2c_bus]); 1165 if (dvb->fe[0] != NULL) 1166 dvb_attach(qt1010_attach, dvb->fe[0], 1167 &dev->i2c_adap[dev->def_i2c_bus], &em28xx_qt1010_config); 1168 break; 1169 case EM2883_BOARD_KWORLD_HYBRID_330U: 1170 case EM2882_BOARD_EVGA_INDTUBE: 1171 dvb->fe[0] = dvb_attach(s5h1409_attach, 1172 &em28xx_s5h1409_with_xc3028, 1173 &dev->i2c_adap[dev->def_i2c_bus]); 1174 if (em28xx_attach_xc3028(0x61, dev) < 0) { 1175 result = -EINVAL; 1176 goto out_free; 1177 } 1178 break; 1179 case EM2882_BOARD_KWORLD_ATSC_315U: 1180 dvb->fe[0] = dvb_attach(lgdt330x_attach, 1181 &em2880_lgdt3303_dev, 1182 &dev->i2c_adap[dev->def_i2c_bus]); 1183 if (dvb->fe[0] != NULL) { 1184 if (!dvb_attach(simple_tuner_attach, dvb->fe[0], 1185 &dev->i2c_adap[dev->def_i2c_bus], 0x61, TUNER_THOMSON_DTT761X)) { 1186 result = -EINVAL; 1187 goto out_free; 1188 } 1189 } 1190 break; 1191 case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900_R2: 1192 case EM2882_BOARD_PINNACLE_HYBRID_PRO_330E: 1193 dvb->fe[0] = dvb_attach(drxd_attach, &em28xx_drxd, NULL, 1194 &dev->i2c_adap[dev->def_i2c_bus], &dev->udev->dev); 1195 if (em28xx_attach_xc3028(0x61, dev) < 0) { 1196 result = -EINVAL; 1197 goto out_free; 1198 } 1199 break; 1200 case EM2870_BOARD_REDDO_DVB_C_USB_BOX: 1201 /* Philips CU1216L NIM (Philips TDA10023 + Infineon TUA6034) */ 1202 dvb->fe[0] = dvb_attach(tda10023_attach, 1203 &em28xx_tda10023_config, 1204 &dev->i2c_adap[dev->def_i2c_bus], 0x48); 1205 if (dvb->fe[0]) { 1206 if (!dvb_attach(simple_tuner_attach, dvb->fe[0], 1207 &dev->i2c_adap[dev->def_i2c_bus], 0x60, TUNER_PHILIPS_CU1216L)) { 1208 result = -EINVAL; 1209 goto out_free; 1210 } 1211 } 1212 break; 1213 case EM2870_BOARD_KWORLD_A340: 1214 dvb->fe[0] = dvb_attach(lgdt3305_attach, 1215 &em2870_lgdt3304_dev, 1216 &dev->i2c_adap[dev->def_i2c_bus]); 1217 if (!dvb->fe[0]) { 1218 result = -EINVAL; 1219 goto out_free; 1220 } 1221 if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60, 1222 &dev->i2c_adap[dev->def_i2c_bus], 1223 &kworld_a340_config)) { 1224 dvb_frontend_detach(dvb->fe[0]); 1225 result = -EINVAL; 1226 goto out_free; 1227 } 1228 break; 1229 case EM28174_BOARD_PCTV_290E: 1230 /* set default GPIO0 for LNA, used if GPIOLIB is undefined */ 1231 dvb->lna_gpio = CXD2820R_GPIO_E | CXD2820R_GPIO_O | 1232 CXD2820R_GPIO_L; 1233 dvb->fe[0] = dvb_attach(cxd2820r_attach, 1234 &em28xx_cxd2820r_config, 1235 &dev->i2c_adap[dev->def_i2c_bus], 1236 &dvb->lna_gpio); 1237 if (dvb->fe[0]) { 1238 /* FE 0 attach tuner */ 1239 if (!dvb_attach(tda18271_attach, 1240 dvb->fe[0], 1241 0x60, 1242 &dev->i2c_adap[dev->def_i2c_bus], 1243 &em28xx_cxd2820r_tda18271_config)) { 1244 1245 dvb_frontend_detach(dvb->fe[0]); 1246 result = -EINVAL; 1247 goto out_free; 1248 } 1249 1250 #ifdef CONFIG_GPIOLIB 1251 /* enable LNA for DVB-T, DVB-T2 and DVB-C */ 1252 result = gpio_request_one(dvb->lna_gpio, 1253 GPIOF_OUT_INIT_LOW, NULL); 1254 if (result) 1255 em28xx_errdev("gpio request failed %d\n", 1256 result); 1257 else 1258 gpio_free(dvb->lna_gpio); 1259 1260 result = 0; /* continue even set LNA fails */ 1261 #endif 1262 dvb->fe[0]->ops.set_lna = em28xx_pctv_290e_set_lna; 1263 } 1264 1265 break; 1266 case EM2884_BOARD_HAUPPAUGE_WINTV_HVR_930C: 1267 { 1268 struct xc5000_config cfg; 1269 hauppauge_hvr930c_init(dev); 1270 1271 dvb->fe[0] = dvb_attach(drxk_attach, 1272 &hauppauge_930c_drxk, &dev->i2c_adap[dev->def_i2c_bus]); 1273 if (!dvb->fe[0]) { 1274 result = -EINVAL; 1275 goto out_free; 1276 } 1277 /* FIXME: do we need a pll semaphore? */ 1278 dvb->fe[0]->sec_priv = dvb; 1279 sema_init(&dvb->pll_mutex, 1); 1280 dvb->gate_ctrl = dvb->fe[0]->ops.i2c_gate_ctrl; 1281 dvb->fe[0]->ops.i2c_gate_ctrl = drxk_gate_ctrl; 1282 1283 /* Attach xc5000 */ 1284 memset(&cfg, 0, sizeof(cfg)); 1285 cfg.i2c_address = 0x61; 1286 cfg.if_khz = 4000; 1287 1288 if (dvb->fe[0]->ops.i2c_gate_ctrl) 1289 dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 1); 1290 if (!dvb_attach(xc5000_attach, dvb->fe[0], &dev->i2c_adap[dev->def_i2c_bus], 1291 &cfg)) { 1292 result = -EINVAL; 1293 goto out_free; 1294 } 1295 if (dvb->fe[0]->ops.i2c_gate_ctrl) 1296 dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 0); 1297 1298 break; 1299 } 1300 case EM2884_BOARD_TERRATEC_H5: 1301 terratec_h5_init(dev); 1302 1303 dvb->fe[0] = dvb_attach(drxk_attach, &terratec_h5_drxk, &dev->i2c_adap[dev->def_i2c_bus]); 1304 if (!dvb->fe[0]) { 1305 result = -EINVAL; 1306 goto out_free; 1307 } 1308 /* FIXME: do we need a pll semaphore? */ 1309 dvb->fe[0]->sec_priv = dvb; 1310 sema_init(&dvb->pll_mutex, 1); 1311 dvb->gate_ctrl = dvb->fe[0]->ops.i2c_gate_ctrl; 1312 dvb->fe[0]->ops.i2c_gate_ctrl = drxk_gate_ctrl; 1313 1314 /* Attach tda18271 to DVB-C frontend */ 1315 if (dvb->fe[0]->ops.i2c_gate_ctrl) 1316 dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 1); 1317 if (!dvb_attach(tda18271c2dd_attach, dvb->fe[0], &dev->i2c_adap[dev->def_i2c_bus], 0x60)) { 1318 result = -EINVAL; 1319 goto out_free; 1320 } 1321 if (dvb->fe[0]->ops.i2c_gate_ctrl) 1322 dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 0); 1323 1324 break; 1325 case EM2884_BOARD_C3TECH_DIGITAL_DUO: 1326 dvb->fe[0] = dvb_attach(mb86a20s_attach, 1327 &c3tech_duo_mb86a20s_config, 1328 &dev->i2c_adap[dev->def_i2c_bus]); 1329 if (dvb->fe[0] != NULL) 1330 dvb_attach(tda18271_attach, dvb->fe[0], 0x60, 1331 &dev->i2c_adap[dev->def_i2c_bus], 1332 &c3tech_duo_tda18271_config); 1333 break; 1334 case EM28174_BOARD_PCTV_460E: 1335 /* attach demod */ 1336 dvb->fe[0] = dvb_attach(tda10071_attach, 1337 &em28xx_tda10071_config, &dev->i2c_adap[dev->def_i2c_bus]); 1338 1339 /* attach SEC */ 1340 if (dvb->fe[0]) 1341 dvb_attach(a8293_attach, dvb->fe[0], &dev->i2c_adap[dev->def_i2c_bus], 1342 &em28xx_a8293_config); 1343 break; 1344 case EM2874_BOARD_DELOCK_61959: 1345 case EM2874_BOARD_MAXMEDIA_UB425_TC: 1346 /* attach demodulator */ 1347 dvb->fe[0] = dvb_attach(drxk_attach, &maxmedia_ub425_tc_drxk, 1348 &dev->i2c_adap[dev->def_i2c_bus]); 1349 1350 if (dvb->fe[0]) { 1351 /* disable I2C-gate */ 1352 dvb->fe[0]->ops.i2c_gate_ctrl = NULL; 1353 1354 /* attach tuner */ 1355 if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60, 1356 &dev->i2c_adap[dev->def_i2c_bus], 1357 &em28xx_cxd2820r_tda18271_config)) { 1358 dvb_frontend_detach(dvb->fe[0]); 1359 result = -EINVAL; 1360 goto out_free; 1361 } 1362 } 1363 break; 1364 case EM2884_BOARD_PCTV_510E: 1365 case EM2884_BOARD_PCTV_520E: 1366 pctv_520e_init(dev); 1367 1368 /* attach demodulator */ 1369 dvb->fe[0] = dvb_attach(drxk_attach, &pctv_520e_drxk, 1370 &dev->i2c_adap[dev->def_i2c_bus]); 1371 1372 if (dvb->fe[0]) { 1373 /* attach tuner */ 1374 if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60, 1375 &dev->i2c_adap[dev->def_i2c_bus], 1376 &em28xx_cxd2820r_tda18271_config)) { 1377 dvb_frontend_detach(dvb->fe[0]); 1378 result = -EINVAL; 1379 goto out_free; 1380 } 1381 } 1382 break; 1383 case EM2884_BOARD_CINERGY_HTC_STICK: 1384 terratec_htc_stick_init(dev); 1385 1386 /* attach demodulator */ 1387 dvb->fe[0] = dvb_attach(drxk_attach, &terratec_htc_stick_drxk, 1388 &dev->i2c_adap[dev->def_i2c_bus]); 1389 if (!dvb->fe[0]) { 1390 result = -EINVAL; 1391 goto out_free; 1392 } 1393 1394 /* Attach the demodulator. */ 1395 if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60, 1396 &dev->i2c_adap[dev->def_i2c_bus], 1397 &em28xx_cxd2820r_tda18271_config)) { 1398 result = -EINVAL; 1399 goto out_free; 1400 } 1401 break; 1402 case EM2884_BOARD_TERRATEC_HTC_USB_XS: 1403 terratec_htc_usb_xs_init(dev); 1404 1405 /* attach demodulator */ 1406 dvb->fe[0] = dvb_attach(drxk_attach, &terratec_htc_stick_drxk, 1407 &dev->i2c_adap[dev->def_i2c_bus]); 1408 if (!dvb->fe[0]) { 1409 result = -EINVAL; 1410 goto out_free; 1411 } 1412 1413 /* Attach the demodulator. */ 1414 if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60, 1415 &dev->i2c_adap[dev->def_i2c_bus], 1416 &em28xx_cxd2820r_tda18271_config)) { 1417 result = -EINVAL; 1418 goto out_free; 1419 } 1420 break; 1421 case EM2874_BOARD_KWORLD_UB435Q_V2: 1422 dvb->fe[0] = dvb_attach(lgdt3305_attach, 1423 &em2874_lgdt3305_dev, 1424 &dev->i2c_adap[dev->def_i2c_bus]); 1425 if (!dvb->fe[0]) { 1426 result = -EINVAL; 1427 goto out_free; 1428 } 1429 1430 /* Attach the demodulator. */ 1431 if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60, 1432 &dev->i2c_adap[dev->def_i2c_bus], 1433 &kworld_ub435q_v2_config)) { 1434 result = -EINVAL; 1435 goto out_free; 1436 } 1437 break; 1438 case EM2874_BOARD_KWORLD_UB435Q_V3: 1439 { 1440 struct i2c_client *client; 1441 struct i2c_adapter *adapter = &dev->i2c_adap[dev->def_i2c_bus]; 1442 struct i2c_board_info board_info = { 1443 .type = "tda18212", 1444 .addr = 0x60, 1445 .platform_data = &kworld_ub435q_v3_config, 1446 }; 1447 1448 dvb->fe[0] = dvb_attach(lgdt3305_attach, 1449 &em2874_lgdt3305_nogate_dev, 1450 &dev->i2c_adap[dev->def_i2c_bus]); 1451 if (!dvb->fe[0]) { 1452 result = -EINVAL; 1453 goto out_free; 1454 } 1455 1456 /* attach tuner */ 1457 kworld_ub435q_v3_config.fe = dvb->fe[0]; 1458 request_module("tda18212"); 1459 client = i2c_new_device(adapter, &board_info); 1460 if (client == NULL || client->dev.driver == NULL) { 1461 dvb_frontend_detach(dvb->fe[0]); 1462 result = -ENODEV; 1463 goto out_free; 1464 } 1465 1466 if (!try_module_get(client->dev.driver->owner)) { 1467 i2c_unregister_device(client); 1468 dvb_frontend_detach(dvb->fe[0]); 1469 result = -ENODEV; 1470 goto out_free; 1471 } 1472 1473 dvb->i2c_client_tuner = client; 1474 break; 1475 } 1476 case EM2874_BOARD_PCTV_HD_MINI_80E: 1477 dvb->fe[0] = dvb_attach(drx39xxj_attach, &dev->i2c_adap[dev->def_i2c_bus]); 1478 if (dvb->fe[0] != NULL) { 1479 dvb->fe[0] = dvb_attach(tda18271_attach, dvb->fe[0], 0x60, 1480 &dev->i2c_adap[dev->def_i2c_bus], 1481 &pinnacle_80e_dvb_config); 1482 if (!dvb->fe[0]) { 1483 result = -EINVAL; 1484 goto out_free; 1485 } 1486 } 1487 break; 1488 case EM28178_BOARD_PCTV_461E: 1489 { 1490 /* demod I2C adapter */ 1491 struct i2c_adapter *i2c_adapter; 1492 struct i2c_client *client; 1493 struct i2c_board_info info; 1494 struct m88ts2022_config m88ts2022_config = { 1495 .clock = 27000000, 1496 }; 1497 memset(&info, 0, sizeof(struct i2c_board_info)); 1498 1499 /* attach demod */ 1500 dvb->fe[0] = dvb_attach(m88ds3103_attach, 1501 &pctv_461e_m88ds3103_config, 1502 &dev->i2c_adap[dev->def_i2c_bus], 1503 &i2c_adapter); 1504 if (dvb->fe[0] == NULL) { 1505 result = -ENODEV; 1506 goto out_free; 1507 } 1508 1509 /* attach tuner */ 1510 m88ts2022_config.fe = dvb->fe[0]; 1511 strlcpy(info.type, "m88ts2022", I2C_NAME_SIZE); 1512 info.addr = 0x60; 1513 info.platform_data = &m88ts2022_config; 1514 request_module("m88ts2022"); 1515 client = i2c_new_device(i2c_adapter, &info); 1516 if (client == NULL || client->dev.driver == NULL) { 1517 dvb_frontend_detach(dvb->fe[0]); 1518 result = -ENODEV; 1519 goto out_free; 1520 } 1521 1522 if (!try_module_get(client->dev.driver->owner)) { 1523 i2c_unregister_device(client); 1524 dvb_frontend_detach(dvb->fe[0]); 1525 result = -ENODEV; 1526 goto out_free; 1527 } 1528 1529 /* delegate signal strength measurement to tuner */ 1530 dvb->fe[0]->ops.read_signal_strength = 1531 dvb->fe[0]->ops.tuner_ops.get_rf_strength; 1532 1533 /* attach SEC */ 1534 if (!dvb_attach(a8293_attach, dvb->fe[0], 1535 &dev->i2c_adap[dev->def_i2c_bus], 1536 &em28xx_a8293_config)) { 1537 module_put(client->dev.driver->owner); 1538 i2c_unregister_device(client); 1539 dvb_frontend_detach(dvb->fe[0]); 1540 result = -ENODEV; 1541 goto out_free; 1542 } 1543 1544 dvb->i2c_client_tuner = client; 1545 } 1546 break; 1547 case EM28178_BOARD_PCTV_292E: 1548 { 1549 struct i2c_adapter *adapter; 1550 struct i2c_client *client; 1551 struct i2c_board_info info; 1552 struct si2168_config si2168_config; 1553 struct si2157_config si2157_config; 1554 1555 /* attach demod */ 1556 si2168_config.i2c_adapter = &adapter; 1557 si2168_config.fe = &dvb->fe[0]; 1558 si2168_config.ts_mode = SI2168_TS_PARALLEL; 1559 memset(&info, 0, sizeof(struct i2c_board_info)); 1560 strlcpy(info.type, "si2168", I2C_NAME_SIZE); 1561 info.addr = 0x64; 1562 info.platform_data = &si2168_config; 1563 request_module(info.type); 1564 client = i2c_new_device(&dev->i2c_adap[dev->def_i2c_bus], &info); 1565 if (client == NULL || client->dev.driver == NULL) { 1566 result = -ENODEV; 1567 goto out_free; 1568 } 1569 1570 if (!try_module_get(client->dev.driver->owner)) { 1571 i2c_unregister_device(client); 1572 result = -ENODEV; 1573 goto out_free; 1574 } 1575 1576 dvb->i2c_client_demod = client; 1577 1578 /* attach tuner */ 1579 memset(&si2157_config, 0, sizeof(si2157_config)); 1580 si2157_config.fe = dvb->fe[0]; 1581 memset(&info, 0, sizeof(struct i2c_board_info)); 1582 strlcpy(info.type, "si2157", I2C_NAME_SIZE); 1583 info.addr = 0x60; 1584 info.platform_data = &si2157_config; 1585 request_module(info.type); 1586 client = i2c_new_device(adapter, &info); 1587 if (client == NULL || client->dev.driver == NULL) { 1588 module_put(dvb->i2c_client_demod->dev.driver->owner); 1589 i2c_unregister_device(dvb->i2c_client_demod); 1590 result = -ENODEV; 1591 goto out_free; 1592 } 1593 1594 if (!try_module_get(client->dev.driver->owner)) { 1595 i2c_unregister_device(client); 1596 module_put(dvb->i2c_client_demod->dev.driver->owner); 1597 i2c_unregister_device(dvb->i2c_client_demod); 1598 result = -ENODEV; 1599 goto out_free; 1600 } 1601 1602 dvb->i2c_client_tuner = client; 1603 dvb->fe[0]->ops.set_lna = em28xx_pctv_292e_set_lna; 1604 } 1605 break; 1606 default: 1607 em28xx_errdev("/2: The frontend of your DVB/ATSC card" 1608 " isn't supported yet\n"); 1609 break; 1610 } 1611 if (NULL == dvb->fe[0]) { 1612 em28xx_errdev("/2: frontend initialization failed\n"); 1613 result = -EINVAL; 1614 goto out_free; 1615 } 1616 /* define general-purpose callback pointer */ 1617 dvb->fe[0]->callback = em28xx_tuner_callback; 1618 if (dvb->fe[1]) 1619 dvb->fe[1]->callback = em28xx_tuner_callback; 1620 1621 /* register everything */ 1622 result = em28xx_register_dvb(dvb, THIS_MODULE, dev, &dev->udev->dev); 1623 1624 if (result < 0) 1625 goto out_free; 1626 1627 /* MFE lock */ 1628 dvb->adapter.mfe_shared = mfe_shared; 1629 1630 em28xx_info("DVB extension successfully initialized\n"); 1631 1632 kref_get(&dev->ref); 1633 1634 ret: 1635 em28xx_set_mode(dev, EM28XX_SUSPEND); 1636 mutex_unlock(&dev->lock); 1637 return result; 1638 1639 out_free: 1640 kfree(dvb); 1641 dev->dvb = NULL; 1642 goto ret; 1643 } 1644 1645 static inline void prevent_sleep(struct dvb_frontend_ops *ops) 1646 { 1647 ops->set_voltage = NULL; 1648 ops->sleep = NULL; 1649 ops->tuner_ops.sleep = NULL; 1650 } 1651 1652 static int em28xx_dvb_fini(struct em28xx *dev) 1653 { 1654 struct em28xx_dvb *dvb; 1655 struct i2c_client *client; 1656 1657 if (dev->is_audio_only) { 1658 /* Shouldn't initialize IR for this interface */ 1659 return 0; 1660 } 1661 1662 if (!dev->board.has_dvb) { 1663 /* This device does not support the extension */ 1664 return 0; 1665 } 1666 1667 if (!dev->dvb) 1668 return 0; 1669 1670 em28xx_info("Closing DVB extension"); 1671 1672 dvb = dev->dvb; 1673 client = dvb->i2c_client_tuner; 1674 1675 em28xx_uninit_usb_xfer(dev, EM28XX_DIGITAL_MODE); 1676 1677 if (dev->disconnected) { 1678 /* We cannot tell the device to sleep 1679 * once it has been unplugged. */ 1680 if (dvb->fe[0]) { 1681 prevent_sleep(&dvb->fe[0]->ops); 1682 dvb->fe[0]->exit = DVB_FE_DEVICE_REMOVED; 1683 } 1684 if (dvb->fe[1]) { 1685 prevent_sleep(&dvb->fe[1]->ops); 1686 dvb->fe[1]->exit = DVB_FE_DEVICE_REMOVED; 1687 } 1688 } 1689 1690 /* remove I2C tuner */ 1691 if (client) { 1692 module_put(client->dev.driver->owner); 1693 i2c_unregister_device(client); 1694 } 1695 1696 /* remove I2C demod */ 1697 client = dvb->i2c_client_demod; 1698 if (client) { 1699 module_put(client->dev.driver->owner); 1700 i2c_unregister_device(client); 1701 } 1702 1703 em28xx_unregister_dvb(dvb); 1704 kfree(dvb); 1705 dev->dvb = NULL; 1706 kref_put(&dev->ref, em28xx_free_device); 1707 1708 return 0; 1709 } 1710 1711 static int em28xx_dvb_suspend(struct em28xx *dev) 1712 { 1713 int ret = 0; 1714 1715 if (dev->is_audio_only) 1716 return 0; 1717 1718 if (!dev->board.has_dvb) 1719 return 0; 1720 1721 em28xx_info("Suspending DVB extension"); 1722 if (dev->dvb) { 1723 struct em28xx_dvb *dvb = dev->dvb; 1724 1725 if (dvb->fe[0]) { 1726 ret = dvb_frontend_suspend(dvb->fe[0]); 1727 em28xx_info("fe0 suspend %d", ret); 1728 } 1729 if (dvb->fe[1]) { 1730 dvb_frontend_suspend(dvb->fe[1]); 1731 em28xx_info("fe1 suspend %d", ret); 1732 } 1733 } 1734 1735 return 0; 1736 } 1737 1738 static int em28xx_dvb_resume(struct em28xx *dev) 1739 { 1740 int ret = 0; 1741 1742 if (dev->is_audio_only) 1743 return 0; 1744 1745 if (!dev->board.has_dvb) 1746 return 0; 1747 1748 em28xx_info("Resuming DVB extension"); 1749 if (dev->dvb) { 1750 struct em28xx_dvb *dvb = dev->dvb; 1751 1752 if (dvb->fe[0]) { 1753 ret = dvb_frontend_resume(dvb->fe[0]); 1754 em28xx_info("fe0 resume %d", ret); 1755 } 1756 1757 if (dvb->fe[1]) { 1758 ret = dvb_frontend_resume(dvb->fe[1]); 1759 em28xx_info("fe1 resume %d", ret); 1760 } 1761 } 1762 1763 return 0; 1764 } 1765 1766 static struct em28xx_ops dvb_ops = { 1767 .id = EM28XX_DVB, 1768 .name = "Em28xx dvb Extension", 1769 .init = em28xx_dvb_init, 1770 .fini = em28xx_dvb_fini, 1771 .suspend = em28xx_dvb_suspend, 1772 .resume = em28xx_dvb_resume, 1773 }; 1774 1775 static int __init em28xx_dvb_register(void) 1776 { 1777 return em28xx_register_extension(&dvb_ops); 1778 } 1779 1780 static void __exit em28xx_dvb_unregister(void) 1781 { 1782 em28xx_unregister_extension(&dvb_ops); 1783 } 1784 1785 module_init(em28xx_dvb_register); 1786 module_exit(em28xx_dvb_unregister); 1787