drivers/media/usb/em28xx/em28xx-dvb.c

   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 "mt2060.h"
  42 #include "mt352.h"
  43 #include "mt352_priv.h" /* FIXME */
  44 #include "tda1002x.h"
  45 #include "drx39xyj/drx39xxj.h"
  46 #include "tda18271.h"
  47 #include "s921.h"
  48 #include "drxd.h"
  49 #include "cxd2820r.h"
  50 #include "tda18271c2dd.h"
  51 #include "drxk.h"
  52 #include "tda10071.h"
  53 #include "tda18212.h"
  54 #include "a8293.h"
  55 #include "qt1010.h"
  56 #include "mb86a20s.h"
  57 #include "m88ds3103.h"
  58 #include "ts2020.h"
  59 #include "si2168.h"
  60 #include "si2157.h"
  61
  62 MODULE_AUTHOR("Mauro Carvalho Chehab <mchehab@infradead.org>");
  63 MODULE_LICENSE("GPL");
  64 MODULE_DESCRIPTION(DRIVER_DESC " - digital TV interface");
  65 MODULE_VERSION(EM28XX_VERSION);
  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         struct i2c_client       *i2c_client_sec;
 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 static int em28xx_dvb_bus_ctrl(struct dvb_frontend *fe, int acquire)
 285 {
 286         struct em28xx_i2c_bus *i2c_bus = fe->dvb->priv;
 287         struct em28xx *dev = i2c_bus->dev;
 288
 289         if (acquire)
 290                 return em28xx_set_mode(dev, EM28XX_DIGITAL_MODE);
 291         else
 292                 return em28xx_set_mode(dev, EM28XX_SUSPEND);
 293 }
 294
 295 /* ------------------------------------------------------------------ */
 296
 297 static struct lgdt330x_config em2880_lgdt3303_dev = {
 298         .demod_address = 0x0e,
 299         .demod_chip = LGDT3303,
 300 };
 301
 302 static struct lgdt3305_config em2870_lgdt3304_dev = {
 303         .i2c_addr           = 0x0e,
 304         .demod_chip         = LGDT3304,
 305         .spectral_inversion = 1,
 306         .deny_i2c_rptr      = 1,
 307         .mpeg_mode          = LGDT3305_MPEG_PARALLEL,
 308         .tpclk_edge         = LGDT3305_TPCLK_FALLING_EDGE,
 309         .tpvalid_polarity   = LGDT3305_TP_VALID_HIGH,
 310         .vsb_if_khz         = 3250,
 311         .qam_if_khz         = 4000,
 312 };
 313
 314 static struct lgdt3305_config em2874_lgdt3305_dev = {
 315         .i2c_addr           = 0x0e,
 316         .demod_chip         = LGDT3305,
 317         .spectral_inversion = 1,
 318         .deny_i2c_rptr      = 0,
 319         .mpeg_mode          = LGDT3305_MPEG_SERIAL,
 320         .tpclk_edge         = LGDT3305_TPCLK_FALLING_EDGE,
 321         .tpvalid_polarity   = LGDT3305_TP_VALID_HIGH,
 322         .vsb_if_khz         = 3250,
 323         .qam_if_khz         = 4000,
 324 };
 325
 326 static struct lgdt3305_config em2874_lgdt3305_nogate_dev = {
 327         .i2c_addr           = 0x0e,
 328         .demod_chip         = LGDT3305,
 329         .spectral_inversion = 1,
 330         .deny_i2c_rptr      = 1,
 331         .mpeg_mode          = LGDT3305_MPEG_SERIAL,
 332         .tpclk_edge         = LGDT3305_TPCLK_FALLING_EDGE,
 333         .tpvalid_polarity   = LGDT3305_TP_VALID_HIGH,
 334         .vsb_if_khz         = 3600,
 335         .qam_if_khz         = 3600,
 336 };
 337
 338 static struct s921_config sharp_isdbt = {
 339         .demod_address = 0x30 >> 1
 340 };
 341
 342 static struct zl10353_config em28xx_zl10353_with_xc3028 = {
 343         .demod_address = (0x1e >> 1),
 344         .no_tuner = 1,
 345         .parallel_ts = 1,
 346         .if2 = 45600,
 347 };
 348
 349 static struct s5h1409_config em28xx_s5h1409_with_xc3028 = {
 350         .demod_address = 0x32 >> 1,
 351         .output_mode   = S5H1409_PARALLEL_OUTPUT,
 352         .gpio          = S5H1409_GPIO_OFF,
 353         .inversion     = S5H1409_INVERSION_OFF,
 354         .status_mode   = S5H1409_DEMODLOCKING,
 355         .mpeg_timing   = S5H1409_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK
 356 };
 357
 358 static struct tda18271_std_map kworld_a340_std_map = {
 359         .atsc_6   = { .if_freq = 3250, .agc_mode = 3, .std = 0,
 360                       .if_lvl = 1, .rfagc_top = 0x37, },
 361         .qam_6    = { .if_freq = 4000, .agc_mode = 3, .std = 1,
 362                       .if_lvl = 1, .rfagc_top = 0x37, },
 363 };
 364
 365 static struct tda18271_config kworld_a340_config = {
 366         .std_map           = &kworld_a340_std_map,
 367 };
 368
 369 static struct tda18271_config kworld_ub435q_v2_config = {
 370         .std_map        = &kworld_a340_std_map,
 371         .gate           = TDA18271_GATE_DIGITAL,
 372 };
 373
 374 static struct tda18212_config kworld_ub435q_v3_config = {
 375         .if_atsc_vsb    = 3600,
 376         .if_atsc_qam    = 3600,
 377 };
 378
 379 static struct zl10353_config em28xx_zl10353_xc3028_no_i2c_gate = {
 380         .demod_address = (0x1e >> 1),
 381         .no_tuner = 1,
 382         .disable_i2c_gate_ctrl = 1,
 383         .parallel_ts = 1,
 384         .if2 = 45600,
 385 };
 386
 387 static struct drxd_config em28xx_drxd = {
 388         .demod_address = 0x70,
 389         .demod_revision = 0xa2,
 390         .pll_type = DRXD_PLL_NONE,
 391         .clock = 12000,
 392         .insert_rs_byte = 1,
 393         .IF = 42800000,
 394         .disable_i2c_gate_ctrl = 1,
 395 };
 396
 397 static struct drxk_config terratec_h5_drxk = {
 398         .adr = 0x29,
 399         .single_master = 1,
 400         .no_i2c_bridge = 1,
 401         .microcode_name = "dvb-usb-terratec-h5-drxk.fw",
 402         .qam_demod_parameter_count = 2,
 403 };
 404
 405 static struct drxk_config hauppauge_930c_drxk = {
 406         .adr = 0x29,
 407         .single_master = 1,
 408         .no_i2c_bridge = 1,
 409         .microcode_name = "dvb-usb-hauppauge-hvr930c-drxk.fw",
 410         .chunk_size = 56,
 411         .qam_demod_parameter_count = 2,
 412 };
 413
 414 static struct drxk_config terratec_htc_stick_drxk = {
 415         .adr = 0x29,
 416         .single_master = 1,
 417         .no_i2c_bridge = 1,
 418         .microcode_name = "dvb-usb-terratec-htc-stick-drxk.fw",
 419         .chunk_size = 54,
 420         .qam_demod_parameter_count = 2,
 421         /* Required for the antenna_gpio to disable LNA. */
 422         .antenna_dvbt = true,
 423         /* The windows driver uses the same. This will disable LNA. */
 424         .antenna_gpio = 0x6,
 425 };
 426
 427 static struct drxk_config maxmedia_ub425_tc_drxk = {
 428         .adr = 0x29,
 429         .single_master = 1,
 430         .no_i2c_bridge = 1,
 431         .microcode_name = "dvb-demod-drxk-01.fw",
 432         .chunk_size = 62,
 433         .qam_demod_parameter_count = 2,
 434 };
 435
 436 static struct drxk_config pctv_520e_drxk = {
 437         .adr = 0x29,
 438         .single_master = 1,
 439         .microcode_name = "dvb-demod-drxk-pctv.fw",
 440         .qam_demod_parameter_count = 2,
 441         .chunk_size = 58,
 442         .antenna_dvbt = true, /* disable LNA */
 443         .antenna_gpio = (1 << 2), /* disable LNA */
 444 };
 445
 446 static int drxk_gate_ctrl(struct dvb_frontend *fe, int enable)
 447 {
 448         struct em28xx_dvb *dvb = fe->sec_priv;
 449         int status;
 450
 451         if (!dvb)
 452                 return -EINVAL;
 453
 454         if (enable) {
 455                 down(&dvb->pll_mutex);
 456                 status = dvb->gate_ctrl(fe, 1);
 457         } else {
 458                 status = dvb->gate_ctrl(fe, 0);
 459                 up(&dvb->pll_mutex);
 460         }
 461         return status;
 462 }
 463
 464 static void hauppauge_hvr930c_init(struct em28xx *dev)
 465 {
 466         int i;
 467
 468         struct em28xx_reg_seq hauppauge_hvr930c_init[] = {
 469                 {EM2874_R80_GPIO_P0_CTRL,       0xff,   0xff,   0x65},
 470                 {EM2874_R80_GPIO_P0_CTRL,       0xfb,   0xff,   0x32},
 471                 {EM2874_R80_GPIO_P0_CTRL,       0xff,   0xff,   0xb8},
 472                 {       -1,                     -1,     -1,     -1},
 473         };
 474         struct em28xx_reg_seq hauppauge_hvr930c_end[] = {
 475                 {EM2874_R80_GPIO_P0_CTRL,       0xef,   0xff,   0x01},
 476                 {EM2874_R80_GPIO_P0_CTRL,       0xaf,   0xff,   0x65},
 477                 {EM2874_R80_GPIO_P0_CTRL,       0xef,   0xff,   0x76},
 478                 {EM2874_R80_GPIO_P0_CTRL,       0xef,   0xff,   0x01},
 479                 {EM2874_R80_GPIO_P0_CTRL,       0xcf,   0xff,   0x0b},
 480                 {EM2874_R80_GPIO_P0_CTRL,       0xef,   0xff,   0x40},
 481
 482                 {EM2874_R80_GPIO_P0_CTRL,       0xcf,   0xff,   0x65},
 483                 {EM2874_R80_GPIO_P0_CTRL,       0xef,   0xff,   0x65},
 484                 {EM2874_R80_GPIO_P0_CTRL,       0xcf,   0xff,   0x0b},
 485                 {EM2874_R80_GPIO_P0_CTRL,       0xef,   0xff,   0x65},
 486
 487                 {       -1,                     -1,     -1,     -1},
 488         };
 489
 490         struct {
 491                 unsigned char r[4];
 492                 int len;
 493         } regs[] = {
 494                 {{ 0x06, 0x02, 0x00, 0x31 }, 4},
 495                 {{ 0x01, 0x02 }, 2},
 496                 {{ 0x01, 0x02, 0x00, 0xc6 }, 4},
 497                 {{ 0x01, 0x00 }, 2},
 498                 {{ 0x01, 0x00, 0xff, 0xaf }, 4},
 499                 {{ 0x01, 0x00, 0x03, 0xa0 }, 4},
 500                 {{ 0x01, 0x00 }, 2},
 501                 {{ 0x01, 0x00, 0x73, 0xaf }, 4},
 502                 {{ 0x04, 0x00 }, 2},
 503                 {{ 0x00, 0x04 }, 2},
 504                 {{ 0x00, 0x04, 0x00, 0x0a }, 4},
 505                 {{ 0x04, 0x14 }, 2},
 506                 {{ 0x04, 0x14, 0x00, 0x00 }, 4},
 507         };
 508
 509         em28xx_gpio_set(dev, hauppauge_hvr930c_init);
 510         em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40);
 511         msleep(10);
 512         em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x44);
 513         msleep(10);
 514
 515         dev->i2c_client[dev->def_i2c_bus].addr = 0x82 >> 1;
 516
 517         for (i = 0; i < ARRAY_SIZE(regs); i++)
 518                 i2c_master_send(&dev->i2c_client[dev->def_i2c_bus], regs[i].r, regs[i].len);
 519         em28xx_gpio_set(dev, hauppauge_hvr930c_end);
 520
 521         msleep(100);
 522
 523         em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x44);
 524         msleep(30);
 525
 526         em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x45);
 527         msleep(10);
 528
 529 }
 530
 531 static void terratec_h5_init(struct em28xx *dev)
 532 {
 533         int i;
 534         struct em28xx_reg_seq terratec_h5_init[] = {
 535                 {EM2820_R08_GPIO_CTRL,          0xff,   0xff,   10},
 536                 {EM2874_R80_GPIO_P0_CTRL,       0xf6,   0xff,   100},
 537                 {EM2874_R80_GPIO_P0_CTRL,       0xf2,   0xff,   50},
 538                 {EM2874_R80_GPIO_P0_CTRL,       0xf6,   0xff,   100},
 539                 {       -1,                     -1,     -1,     -1},
 540         };
 541         struct em28xx_reg_seq terratec_h5_end[] = {
 542                 {EM2874_R80_GPIO_P0_CTRL,       0xe6,   0xff,   100},
 543                 {EM2874_R80_GPIO_P0_CTRL,       0xa6,   0xff,   50},
 544                 {EM2874_R80_GPIO_P0_CTRL,       0xe6,   0xff,   100},
 545                 {       -1,                     -1,     -1,     -1},
 546         };
 547         struct {
 548                 unsigned char r[4];
 549                 int len;
 550         } regs[] = {
 551                 {{ 0x06, 0x02, 0x00, 0x31 }, 4},
 552                 {{ 0x01, 0x02 }, 2},
 553                 {{ 0x01, 0x02, 0x00, 0xc6 }, 4},
 554                 {{ 0x01, 0x00 }, 2},
 555                 {{ 0x01, 0x00, 0xff, 0xaf }, 4},
 556                 {{ 0x01, 0x00, 0x03, 0xa0 }, 4},
 557                 {{ 0x01, 0x00 }, 2},
 558                 {{ 0x01, 0x00, 0x73, 0xaf }, 4},
 559                 {{ 0x04, 0x00 }, 2},
 560                 {{ 0x00, 0x04 }, 2},
 561                 {{ 0x00, 0x04, 0x00, 0x0a }, 4},
 562                 {{ 0x04, 0x14 }, 2},
 563                 {{ 0x04, 0x14, 0x00, 0x00 }, 4},
 564         };
 565
 566         em28xx_gpio_set(dev, terratec_h5_init);
 567         em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40);
 568         msleep(10);
 569         em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x45);
 570         msleep(10);
 571
 572         dev->i2c_client[dev->def_i2c_bus].addr = 0x82 >> 1;
 573
 574         for (i = 0; i < ARRAY_SIZE(regs); i++)
 575                 i2c_master_send(&dev->i2c_client[dev->def_i2c_bus], regs[i].r, regs[i].len);
 576         em28xx_gpio_set(dev, terratec_h5_end);
 577 };
 578
 579 static void terratec_htc_stick_init(struct em28xx *dev)
 580 {
 581         int i;
 582
 583         /*
 584          * GPIO configuration:
 585          * 0xff: unknown (does not affect DVB-T).
 586          * 0xf6: DRX-K (demodulator).
 587          * 0xe6: unknown (does not affect DVB-T).
 588          * 0xb6: unknown (does not affect DVB-T).
 589          */
 590         struct em28xx_reg_seq terratec_htc_stick_init[] = {
 591                 {EM2820_R08_GPIO_CTRL,          0xff,   0xff,   10},
 592                 {EM2874_R80_GPIO_P0_CTRL,       0xf6,   0xff,   100},
 593                 {EM2874_R80_GPIO_P0_CTRL,       0xe6,   0xff,   50},
 594                 {EM2874_R80_GPIO_P0_CTRL,       0xf6,   0xff,   100},
 595                 {       -1,                     -1,     -1,     -1},
 596         };
 597         struct em28xx_reg_seq terratec_htc_stick_end[] = {
 598                 {EM2874_R80_GPIO_P0_CTRL,       0xb6,   0xff,   100},
 599                 {EM2874_R80_GPIO_P0_CTRL,       0xf6,   0xff,   50},
 600                 {       -1,                     -1,     -1,     -1},
 601         };
 602
 603         /*
 604          * Init the analog decoder (not yet supported), but
 605          * it's probably still a good idea.
 606          */
 607         struct {
 608                 unsigned char r[4];
 609                 int len;
 610         } regs[] = {
 611                 {{ 0x06, 0x02, 0x00, 0x31 }, 4},
 612                 {{ 0x01, 0x02 }, 2},
 613                 {{ 0x01, 0x02, 0x00, 0xc6 }, 4},
 614                 {{ 0x01, 0x00 }, 2},
 615                 {{ 0x01, 0x00, 0xff, 0xaf }, 4},
 616         };
 617
 618         em28xx_gpio_set(dev, terratec_htc_stick_init);
 619
 620         em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40);
 621         msleep(10);
 622         em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x44);
 623         msleep(10);
 624
 625         dev->i2c_client[dev->def_i2c_bus].addr = 0x82 >> 1;
 626
 627         for (i = 0; i < ARRAY_SIZE(regs); i++)
 628                 i2c_master_send(&dev->i2c_client[dev->def_i2c_bus], regs[i].r, regs[i].len);
 629
 630         em28xx_gpio_set(dev, terratec_htc_stick_end);
 631 };
 632
 633 static void terratec_htc_usb_xs_init(struct em28xx *dev)
 634 {
 635         int i;
 636
 637         struct em28xx_reg_seq terratec_htc_usb_xs_init[] = {
 638                 {EM2820_R08_GPIO_CTRL,          0xff,   0xff,   10},
 639                 {EM2874_R80_GPIO_P0_CTRL,       0xb2,   0xff,   100},
 640                 {EM2874_R80_GPIO_P0_CTRL,       0xb2,   0xff,   50},
 641                 {EM2874_R80_GPIO_P0_CTRL,       0xb6,   0xff,   100},
 642                 {       -1,                     -1,     -1,     -1},
 643         };
 644         struct em28xx_reg_seq terratec_htc_usb_xs_end[] = {
 645                 {EM2874_R80_GPIO_P0_CTRL,       0xa6,   0xff,   100},
 646                 {EM2874_R80_GPIO_P0_CTRL,       0xa6,   0xff,   50},
 647                 {EM2874_R80_GPIO_P0_CTRL,       0xe6,   0xff,   100},
 648                 {       -1,                     -1,     -1,     -1},
 649         };
 650
 651         /*
 652          * Init the analog decoder (not yet supported), but
 653          * it's probably still a good idea.
 654          */
 655         struct {
 656                 unsigned char r[4];
 657                 int len;
 658         } regs[] = {
 659                 {{ 0x06, 0x02, 0x00, 0x31 }, 4},
 660                 {{ 0x01, 0x02 }, 2},
 661                 {{ 0x01, 0x02, 0x00, 0xc6 }, 4},
 662                 {{ 0x01, 0x00 }, 2},
 663                 {{ 0x01, 0x00, 0xff, 0xaf }, 4},
 664                 {{ 0x01, 0x00, 0x03, 0xa0 }, 4},
 665                 {{ 0x01, 0x00 }, 2},
 666                 {{ 0x01, 0x00, 0x73, 0xaf }, 4},
 667                 {{ 0x04, 0x00 }, 2},
 668                 {{ 0x00, 0x04 }, 2},
 669                 {{ 0x00, 0x04, 0x00, 0x0a }, 4},
 670                 {{ 0x04, 0x14 }, 2},
 671                 {{ 0x04, 0x14, 0x00, 0x00 }, 4},
 672         };
 673
 674         em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40);
 675
 676         em28xx_gpio_set(dev, terratec_htc_usb_xs_init);
 677
 678         em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40);
 679         msleep(10);
 680         em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x44);
 681         msleep(10);
 682
 683         dev->i2c_client[dev->def_i2c_bus].addr = 0x82 >> 1;
 684
 685         for (i = 0; i < ARRAY_SIZE(regs); i++)
 686                 i2c_master_send(&dev->i2c_client[dev->def_i2c_bus], regs[i].r, regs[i].len);
 687
 688         em28xx_gpio_set(dev, terratec_htc_usb_xs_end);
 689 };
 690
 691 static void pctv_520e_init(struct em28xx *dev)
 692 {
 693         /*
 694          * Init AVF4910B analog decoder. Looks like I2C traffic to
 695          * digital demodulator and tuner are routed via AVF4910B.
 696          */
 697         int i;
 698         struct {
 699                 unsigned char r[4];
 700                 int len;
 701         } regs[] = {
 702                 {{ 0x06, 0x02, 0x00, 0x31 }, 4},
 703                 {{ 0x01, 0x02 }, 2},
 704                 {{ 0x01, 0x02, 0x00, 0xc6 }, 4},
 705                 {{ 0x01, 0x00 }, 2},
 706                 {{ 0x01, 0x00, 0xff, 0xaf }, 4},
 707                 {{ 0x01, 0x00, 0x03, 0xa0 }, 4},
 708                 {{ 0x01, 0x00 }, 2},
 709                 {{ 0x01, 0x00, 0x73, 0xaf }, 4},
 710         };
 711
 712         dev->i2c_client[dev->def_i2c_bus].addr = 0x82 >> 1; /* 0x41 */
 713
 714         for (i = 0; i < ARRAY_SIZE(regs); i++)
 715                 i2c_master_send(&dev->i2c_client[dev->def_i2c_bus], regs[i].r, regs[i].len);
 716 };
 717
 718 static int em28xx_pctv_290e_set_lna(struct dvb_frontend *fe)
 719 {
 720         struct dtv_frontend_properties *c = &fe->dtv_property_cache;
 721         struct em28xx_i2c_bus *i2c_bus = fe->dvb->priv;
 722         struct em28xx *dev = i2c_bus->dev;
 723 #ifdef CONFIG_GPIOLIB
 724         struct em28xx_dvb *dvb = dev->dvb;
 725         int ret;
 726         unsigned long flags;
 727
 728         if (c->lna == 1)
 729                 flags = GPIOF_OUT_INIT_HIGH; /* enable LNA */
 730         else
 731                 flags = GPIOF_OUT_INIT_LOW; /* disable LNA */
 732
 733         ret = gpio_request_one(dvb->lna_gpio, flags, NULL);
 734         if (ret)
 735                 em28xx_errdev("gpio request failed %d\n", ret);
 736         else
 737                 gpio_free(dvb->lna_gpio);
 738
 739         return ret;
 740 #else
 741         dev_warn(&dev->udev->dev, "%s: LNA control is disabled (lna=%u)\n",
 742                  KBUILD_MODNAME, c->lna);
 743         return 0;
 744 #endif
 745 }
 746
 747 static int em28xx_pctv_292e_set_lna(struct dvb_frontend *fe)
 748 {
 749         struct dtv_frontend_properties *c = &fe->dtv_property_cache;
 750         struct em28xx_i2c_bus *i2c_bus = fe->dvb->priv;
 751         struct em28xx *dev = i2c_bus->dev;
 752         u8 lna;
 753
 754         if (c->lna == 1)
 755                 lna = 0x01;
 756         else
 757                 lna = 0x00;
 758
 759         return em28xx_write_reg_bits(dev, EM2874_R80_GPIO_P0_CTRL, lna, 0x01);
 760 }
 761
 762 static int em28xx_mt352_terratec_xs_init(struct dvb_frontend *fe)
 763 {
 764         /* Values extracted from a USB trace of the Terratec Windows driver */
 765         static u8 clock_config[]   = { CLOCK_CTL,  0x38, 0x2c };
 766         static u8 reset[]          = { RESET,      0x80 };
 767         static u8 adc_ctl_1_cfg[]  = { ADC_CTL_1,  0x40 };
 768         static u8 agc_cfg[]        = { AGC_TARGET, 0x28, 0xa0 };
 769         static u8 input_freq_cfg[] = { INPUT_FREQ_1, 0x31, 0xb8 };
 770         static u8 rs_err_cfg[]     = { RS_ERR_PER_1, 0x00, 0x4d };
 771         static u8 capt_range_cfg[] = { CAPT_RANGE, 0x32 };
 772         static u8 trl_nom_cfg[]    = { TRL_NOMINAL_RATE_1, 0x64, 0x00 };
 773         static u8 tps_given_cfg[]  = { TPS_GIVEN_1, 0x40, 0x80, 0x50 };
 774         static u8 tuner_go[]       = { TUNER_GO, 0x01};
 775
 776         mt352_write(fe, clock_config,   sizeof(clock_config));
 777         udelay(200);
 778         mt352_write(fe, reset,          sizeof(reset));
 779         mt352_write(fe, adc_ctl_1_cfg,  sizeof(adc_ctl_1_cfg));
 780         mt352_write(fe, agc_cfg,        sizeof(agc_cfg));
 781         mt352_write(fe, input_freq_cfg, sizeof(input_freq_cfg));
 782         mt352_write(fe, rs_err_cfg,     sizeof(rs_err_cfg));
 783         mt352_write(fe, capt_range_cfg, sizeof(capt_range_cfg));
 784         mt352_write(fe, trl_nom_cfg,    sizeof(trl_nom_cfg));
 785         mt352_write(fe, tps_given_cfg,  sizeof(tps_given_cfg));
 786         mt352_write(fe, tuner_go,       sizeof(tuner_go));
 787         return 0;
 788 }
 789
 790 static struct mt352_config terratec_xs_mt352_cfg = {
 791         .demod_address = (0x1e >> 1),
 792         .no_tuner = 1,
 793         .if2 = 45600,
 794         .demod_init = em28xx_mt352_terratec_xs_init,
 795 };
 796
 797 static struct tda10023_config em28xx_tda10023_config = {
 798         .demod_address = 0x0c,
 799         .invert = 1,
 800 };
 801
 802 static struct cxd2820r_config em28xx_cxd2820r_config = {
 803         .i2c_address = (0xd8 >> 1),
 804         .ts_mode = CXD2820R_TS_SERIAL,
 805 };
 806
 807 static struct tda18271_config em28xx_cxd2820r_tda18271_config = {
 808         .output_opt = TDA18271_OUTPUT_LT_OFF,
 809         .gate = TDA18271_GATE_DIGITAL,
 810 };
 811
 812 static struct zl10353_config em28xx_zl10353_no_i2c_gate_dev = {
 813         .demod_address = (0x1e >> 1),
 814         .disable_i2c_gate_ctrl = 1,
 815         .no_tuner = 1,
 816         .parallel_ts = 1,
 817 };
 818
 819 static struct mt2060_config em28xx_mt2060_config = {
 820         .i2c_address = 0x60,
 821 };
 822
 823 static struct qt1010_config em28xx_qt1010_config = {
 824         .i2c_address = 0x62
 825 };
 826
 827 static const struct mb86a20s_config c3tech_duo_mb86a20s_config = {
 828         .demod_address = 0x10,
 829         .is_serial = true,
 830 };
 831
 832 static struct tda18271_std_map mb86a20s_tda18271_config = {
 833         .dvbt_6   = { .if_freq = 4000, .agc_mode = 3, .std = 4,
 834                       .if_lvl = 1, .rfagc_top = 0x37, },
 835 };
 836
 837 static struct tda18271_config c3tech_duo_tda18271_config = {
 838         .std_map = &mb86a20s_tda18271_config,
 839         .gate    = TDA18271_GATE_DIGITAL,
 840         .small_i2c = TDA18271_03_BYTE_CHUNK_INIT,
 841 };
 842
 843 static const struct m88ds3103_config pctv_461e_m88ds3103_config = {
 844         .i2c_addr = 0x68,
 845         .clock = 27000000,
 846         .i2c_wr_max = 33,
 847         .clock_out = 0,
 848         .ts_mode = M88DS3103_TS_PARALLEL,
 849         .ts_clk = 16000,
 850         .ts_clk_pol = 1,
 851         .agc = 0x99,
 852 };
 853
 854 static struct tda18271_std_map drx_j_std_map = {
 855         .atsc_6   = { .if_freq = 5000, .agc_mode = 3, .std = 0, .if_lvl = 1,
 856                       .rfagc_top = 0x37, },
 857         .qam_6    = { .if_freq = 5380, .agc_mode = 3, .std = 3, .if_lvl = 1,
 858                       .rfagc_top = 0x37, },
 859 };
 860
 861 static struct tda18271_config pinnacle_80e_dvb_config = {
 862         .std_map = &drx_j_std_map,
 863         .gate    = TDA18271_GATE_DIGITAL,
 864         .role    = TDA18271_MASTER,
 865 };
 866
 867 /* ------------------------------------------------------------------ */
 868
 869 static int em28xx_attach_xc3028(u8 addr, struct em28xx *dev)
 870 {
 871         struct dvb_frontend *fe;
 872         struct xc2028_config cfg;
 873         struct xc2028_ctrl ctl;
 874
 875         memset(&cfg, 0, sizeof(cfg));
 876         cfg.i2c_adap  = &dev->i2c_adap[dev->def_i2c_bus];
 877         cfg.i2c_addr  = addr;
 878
 879         memset(&ctl, 0, sizeof(ctl));
 880         em28xx_setup_xc3028(dev, &ctl);
 881         cfg.ctrl  = &ctl;
 882
 883         if (!dev->dvb->fe[0]) {
 884                 em28xx_errdev("/2: dvb frontend not attached. "
 885                                 "Can't attach xc3028\n");
 886                 return -EINVAL;
 887         }
 888
 889         fe = dvb_attach(xc2028_attach, dev->dvb->fe[0], &cfg);
 890         if (!fe) {
 891                 em28xx_errdev("/2: xc3028 attach failed\n");
 892                 dvb_frontend_detach(dev->dvb->fe[0]);
 893                 dev->dvb->fe[0] = NULL;
 894                 return -EINVAL;
 895         }
 896
 897         em28xx_info("%s/2: xc3028 attached\n", dev->name);
 898
 899         return 0;
 900 }
 901
 902 /* ------------------------------------------------------------------ */
 903
 904 static int em28xx_register_dvb(struct em28xx_dvb *dvb, struct module *module,
 905                                struct em28xx *dev, struct device *device)
 906 {
 907         int result;
 908
 909         mutex_init(&dvb->lock);
 910
 911         /* register adapter */
 912         result = dvb_register_adapter(&dvb->adapter, dev->name, module, device,
 913                                       adapter_nr);
 914         if (result < 0) {
 915                 printk(KERN_WARNING "%s: dvb_register_adapter failed (errno = %d)\n",
 916                        dev->name, result);
 917                 goto fail_adapter;
 918         }
 919 #ifdef CONFIG_MEDIA_CONTROLLER_DVB
 920         dvb->adapter.mdev = dev->media_dev;
 921 #endif
 922
 923         /* Ensure all frontends negotiate bus access */
 924         dvb->fe[0]->ops.ts_bus_ctrl = em28xx_dvb_bus_ctrl;
 925         if (dvb->fe[1])
 926                 dvb->fe[1]->ops.ts_bus_ctrl = em28xx_dvb_bus_ctrl;
 927
 928         dvb->adapter.priv = &dev->i2c_bus[dev->def_i2c_bus];
 929
 930         /* register frontend */
 931         result = dvb_register_frontend(&dvb->adapter, dvb->fe[0]);
 932         if (result < 0) {
 933                 printk(KERN_WARNING "%s: dvb_register_frontend failed (errno = %d)\n",
 934                        dev->name, result);
 935                 goto fail_frontend0;
 936         }
 937
 938         /* register 2nd frontend */
 939         if (dvb->fe[1]) {
 940                 result = dvb_register_frontend(&dvb->adapter, dvb->fe[1]);
 941                 if (result < 0) {
 942                         printk(KERN_WARNING "%s: 2nd dvb_register_frontend failed (errno = %d)\n",
 943                                dev->name, result);
 944                         goto fail_frontend1;
 945                 }
 946         }
 947
 948         /* register demux stuff */
 949         dvb->demux.dmx.capabilities =
 950                 DMX_TS_FILTERING | DMX_SECTION_FILTERING |
 951                 DMX_MEMORY_BASED_FILTERING;
 952         dvb->demux.priv       = dvb;
 953         dvb->demux.filternum  = 256;
 954         dvb->demux.feednum    = 256;
 955         dvb->demux.start_feed = em28xx_start_feed;
 956         dvb->demux.stop_feed  = em28xx_stop_feed;
 957
 958         result = dvb_dmx_init(&dvb->demux);
 959         if (result < 0) {
 960                 printk(KERN_WARNING "%s: dvb_dmx_init failed (errno = %d)\n",
 961                        dev->name, result);
 962                 goto fail_dmx;
 963         }
 964
 965         dvb->dmxdev.filternum    = 256;
 966         dvb->dmxdev.demux        = &dvb->demux.dmx;
 967         dvb->dmxdev.capabilities = 0;
 968         result = dvb_dmxdev_init(&dvb->dmxdev, &dvb->adapter);
 969         if (result < 0) {
 970                 printk(KERN_WARNING "%s: dvb_dmxdev_init failed (errno = %d)\n",
 971                        dev->name, result);
 972                 goto fail_dmxdev;
 973         }
 974
 975         dvb->fe_hw.source = DMX_FRONTEND_0;
 976         result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_hw);
 977         if (result < 0) {
 978                 printk(KERN_WARNING "%s: add_frontend failed (DMX_FRONTEND_0, errno = %d)\n",
 979                        dev->name, result);
 980                 goto fail_fe_hw;
 981         }
 982
 983         dvb->fe_mem.source = DMX_MEMORY_FE;
 984         result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_mem);
 985         if (result < 0) {
 986                 printk(KERN_WARNING "%s: add_frontend failed (DMX_MEMORY_FE, errno = %d)\n",
 987                        dev->name, result);
 988                 goto fail_fe_mem;
 989         }
 990
 991         result = dvb->demux.dmx.connect_frontend(&dvb->demux.dmx, &dvb->fe_hw);
 992         if (result < 0) {
 993                 printk(KERN_WARNING "%s: connect_frontend failed (errno = %d)\n",
 994                        dev->name, result);
 995                 goto fail_fe_conn;
 996         }
 997
 998         /* register network adapter */
 999         dvb_net_init(&dvb->adapter, &dvb->net, &dvb->demux.dmx);
1000
1001         result = dvb_create_media_graph(&dvb->adapter, false);
1002         if (result < 0)
1003                 goto fail_create_graph;
1004
1005         return 0;
1006
1007 fail_create_graph:
1008         dvb_net_release(&dvb->net);
1009 fail_fe_conn:
1010         dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem);
1011 fail_fe_mem:
1012         dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw);
1013 fail_fe_hw:
1014         dvb_dmxdev_release(&dvb->dmxdev);
1015 fail_dmxdev:
1016         dvb_dmx_release(&dvb->demux);
1017 fail_dmx:
1018         if (dvb->fe[1])
1019                 dvb_unregister_frontend(dvb->fe[1]);
1020         dvb_unregister_frontend(dvb->fe[0]);
1021 fail_frontend1:
1022         if (dvb->fe[1])
1023                 dvb_frontend_detach(dvb->fe[1]);
1024 fail_frontend0:
1025         dvb_frontend_detach(dvb->fe[0]);
1026         dvb_unregister_adapter(&dvb->adapter);
1027 fail_adapter:
1028         return result;
1029 }
1030
1031 static void em28xx_unregister_dvb(struct em28xx_dvb *dvb)
1032 {
1033         dvb_net_release(&dvb->net);
1034         dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem);
1035         dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw);
1036         dvb_dmxdev_release(&dvb->dmxdev);
1037         dvb_dmx_release(&dvb->demux);
1038         if (dvb->fe[1])
1039                 dvb_unregister_frontend(dvb->fe[1]);
1040         dvb_unregister_frontend(dvb->fe[0]);
1041         if (dvb->fe[1] && !dvb->dont_attach_fe1)
1042                 dvb_frontend_detach(dvb->fe[1]);
1043         dvb_frontend_detach(dvb->fe[0]);
1044         dvb_unregister_adapter(&dvb->adapter);
1045 }
1046
1047 static int em28xx_dvb_init(struct em28xx *dev)
1048 {
1049         int result = 0;
1050         struct em28xx_dvb *dvb;
1051
1052         if (dev->is_audio_only) {
1053                 /* Shouldn't initialize IR for this interface */
1054                 return 0;
1055         }
1056
1057         if (!dev->board.has_dvb) {
1058                 /* This device does not support the extension */
1059                 return 0;
1060         }
1061
1062         em28xx_info("Binding DVB extension\n");
1063
1064         dvb = kzalloc(sizeof(struct em28xx_dvb), GFP_KERNEL);
1065         if (dvb == NULL) {
1066                 em28xx_info("em28xx_dvb: memory allocation failed\n");
1067                 return -ENOMEM;
1068         }
1069         dev->dvb = dvb;
1070         dvb->fe[0] = dvb->fe[1] = NULL;
1071
1072         /* pre-allocate DVB usb transfer buffers */
1073         if (dev->dvb_xfer_bulk) {
1074                 result = em28xx_alloc_urbs(dev, EM28XX_DIGITAL_MODE,
1075                                            dev->dvb_xfer_bulk,
1076                                            EM28XX_DVB_NUM_BUFS,
1077                                            512,
1078                                            EM28XX_DVB_BULK_PACKET_MULTIPLIER);
1079         } else {
1080                 result = em28xx_alloc_urbs(dev, EM28XX_DIGITAL_MODE,
1081                                            dev->dvb_xfer_bulk,
1082                                            EM28XX_DVB_NUM_BUFS,
1083                                            dev->dvb_max_pkt_size_isoc,
1084                                            EM28XX_DVB_NUM_ISOC_PACKETS);
1085         }
1086         if (result) {
1087                 em28xx_errdev("em28xx_dvb: failed to pre-allocate USB transfer buffers for DVB.\n");
1088                 kfree(dvb);
1089                 dev->dvb = NULL;
1090                 return result;
1091         }
1092
1093         mutex_lock(&dev->lock);
1094         em28xx_set_mode(dev, EM28XX_DIGITAL_MODE);
1095         /* init frontend */
1096         switch (dev->model) {
1097         case EM2874_BOARD_LEADERSHIP_ISDBT:
1098                 dvb->fe[0] = dvb_attach(s921_attach,
1099                                 &sharp_isdbt, &dev->i2c_adap[dev->def_i2c_bus]);
1100
1101                 if (!dvb->fe[0]) {
1102                         result = -EINVAL;
1103                         goto out_free;
1104                 }
1105
1106                 break;
1107         case EM2883_BOARD_HAUPPAUGE_WINTV_HVR_850:
1108         case EM2883_BOARD_HAUPPAUGE_WINTV_HVR_950:
1109         case EM2880_BOARD_PINNACLE_PCTV_HD_PRO:
1110         case EM2880_BOARD_AMD_ATI_TV_WONDER_HD_600:
1111                 dvb->fe[0] = dvb_attach(lgdt330x_attach,
1112                                            &em2880_lgdt3303_dev,
1113                                            &dev->i2c_adap[dev->def_i2c_bus]);
1114                 if (em28xx_attach_xc3028(0x61, dev) < 0) {
1115                         result = -EINVAL;
1116                         goto out_free;
1117                 }
1118                 break;
1119         case EM2880_BOARD_KWORLD_DVB_310U:
1120                 dvb->fe[0] = dvb_attach(zl10353_attach,
1121                                            &em28xx_zl10353_with_xc3028,
1122                                            &dev->i2c_adap[dev->def_i2c_bus]);
1123                 if (em28xx_attach_xc3028(0x61, dev) < 0) {
1124                         result = -EINVAL;
1125                         goto out_free;
1126                 }
1127                 break;
1128         case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900:
1129         case EM2882_BOARD_TERRATEC_HYBRID_XS:
1130         case EM2880_BOARD_EMPIRE_DUAL_TV:
1131                 dvb->fe[0] = dvb_attach(zl10353_attach,
1132                                            &em28xx_zl10353_xc3028_no_i2c_gate,
1133                                            &dev->i2c_adap[dev->def_i2c_bus]);
1134                 if (em28xx_attach_xc3028(0x61, dev) < 0) {
1135                         result = -EINVAL;
1136                         goto out_free;
1137                 }
1138                 break;
1139         case EM2880_BOARD_TERRATEC_HYBRID_XS:
1140         case EM2880_BOARD_TERRATEC_HYBRID_XS_FR:
1141         case EM2881_BOARD_PINNACLE_HYBRID_PRO:
1142         case EM2882_BOARD_DIKOM_DK300:
1143         case EM2882_BOARD_KWORLD_VS_DVBT:
1144                 dvb->fe[0] = dvb_attach(zl10353_attach,
1145                                            &em28xx_zl10353_xc3028_no_i2c_gate,
1146                                            &dev->i2c_adap[dev->def_i2c_bus]);
1147                 if (dvb->fe[0] == NULL) {
1148                         /* This board could have either a zl10353 or a mt352.
1149                            If the chip id isn't for zl10353, try mt352 */
1150                         dvb->fe[0] = dvb_attach(mt352_attach,
1151                                                    &terratec_xs_mt352_cfg,
1152                                                    &dev->i2c_adap[dev->def_i2c_bus]);
1153                 }
1154
1155                 if (em28xx_attach_xc3028(0x61, dev) < 0) {
1156                         result = -EINVAL;
1157                         goto out_free;
1158                 }
1159                 break;
1160         case EM2870_BOARD_TERRATEC_XS_MT2060:
1161                 dvb->fe[0] = dvb_attach(zl10353_attach,
1162                                                 &em28xx_zl10353_no_i2c_gate_dev,
1163                                                 &dev->i2c_adap[dev->def_i2c_bus]);
1164                 if (dvb->fe[0] != NULL) {
1165                         dvb_attach(mt2060_attach, dvb->fe[0],
1166                                         &dev->i2c_adap[dev->def_i2c_bus],
1167                                         &em28xx_mt2060_config, 1220);
1168                 }
1169                 break;
1170         case EM2870_BOARD_KWORLD_355U:
1171                 dvb->fe[0] = dvb_attach(zl10353_attach,
1172                                            &em28xx_zl10353_no_i2c_gate_dev,
1173                                            &dev->i2c_adap[dev->def_i2c_bus]);
1174                 if (dvb->fe[0] != NULL)
1175                         dvb_attach(qt1010_attach, dvb->fe[0],
1176                                    &dev->i2c_adap[dev->def_i2c_bus], &em28xx_qt1010_config);
1177                 break;
1178         case EM2883_BOARD_KWORLD_HYBRID_330U:
1179         case EM2882_BOARD_EVGA_INDTUBE:
1180                 dvb->fe[0] = dvb_attach(s5h1409_attach,
1181                                            &em28xx_s5h1409_with_xc3028,
1182                                            &dev->i2c_adap[dev->def_i2c_bus]);
1183                 if (em28xx_attach_xc3028(0x61, dev) < 0) {
1184                         result = -EINVAL;
1185                         goto out_free;
1186                 }
1187                 break;
1188         case EM2882_BOARD_KWORLD_ATSC_315U:
1189                 dvb->fe[0] = dvb_attach(lgdt330x_attach,
1190                                            &em2880_lgdt3303_dev,
1191                                            &dev->i2c_adap[dev->def_i2c_bus]);
1192                 if (dvb->fe[0] != NULL) {
1193                         if (!dvb_attach(simple_tuner_attach, dvb->fe[0],
1194                                         &dev->i2c_adap[dev->def_i2c_bus],
1195                                         0x61, TUNER_THOMSON_DTT761X)) {
1196                                 result = -EINVAL;
1197                                 goto out_free;
1198                         }
1199                 }
1200                 break;
1201         case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900_R2:
1202         case EM2882_BOARD_PINNACLE_HYBRID_PRO_330E:
1203                 dvb->fe[0] = dvb_attach(drxd_attach, &em28xx_drxd, NULL,
1204                                            &dev->i2c_adap[dev->def_i2c_bus], &dev->udev->dev);
1205                 if (em28xx_attach_xc3028(0x61, dev) < 0) {
1206                         result = -EINVAL;
1207                         goto out_free;
1208                 }
1209                 break;
1210         case EM2870_BOARD_REDDO_DVB_C_USB_BOX:
1211                 /* Philips CU1216L NIM (Philips TDA10023 + Infineon TUA6034) */
1212                 dvb->fe[0] = dvb_attach(tda10023_attach,
1213                         &em28xx_tda10023_config,
1214                         &dev->i2c_adap[dev->def_i2c_bus], 0x48);
1215                 if (dvb->fe[0]) {
1216                         if (!dvb_attach(simple_tuner_attach, dvb->fe[0],
1217                                         &dev->i2c_adap[dev->def_i2c_bus],
1218                                         0x60, TUNER_PHILIPS_CU1216L)) {
1219                                 result = -EINVAL;
1220                                 goto out_free;
1221                         }
1222                 }
1223                 break;
1224         case EM2870_BOARD_KWORLD_A340:
1225                 dvb->fe[0] = dvb_attach(lgdt3305_attach,
1226                                            &em2870_lgdt3304_dev,
1227                                            &dev->i2c_adap[dev->def_i2c_bus]);
1228                 if (!dvb->fe[0]) {
1229                         result = -EINVAL;
1230                         goto out_free;
1231                 }
1232                 if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
1233                                 &dev->i2c_adap[dev->def_i2c_bus],
1234                         &kworld_a340_config)) {
1235                                 dvb_frontend_detach(dvb->fe[0]);
1236                                 result = -EINVAL;
1237                                 goto out_free;
1238                 }
1239                 break;
1240         case EM28174_BOARD_PCTV_290E:
1241                 /* set default GPIO0 for LNA, used if GPIOLIB is undefined */
1242                 dvb->lna_gpio = CXD2820R_GPIO_E | CXD2820R_GPIO_O |
1243                                 CXD2820R_GPIO_L;
1244                 dvb->fe[0] = dvb_attach(cxd2820r_attach,
1245                                         &em28xx_cxd2820r_config,
1246                                         &dev->i2c_adap[dev->def_i2c_bus],
1247                                         &dvb->lna_gpio);
1248                 if (dvb->fe[0]) {
1249                         /* FE 0 attach tuner */
1250                         if (!dvb_attach(tda18271_attach,
1251                                         dvb->fe[0],
1252                                         0x60,
1253                                         &dev->i2c_adap[dev->def_i2c_bus],
1254                                         &em28xx_cxd2820r_tda18271_config)) {
1255
1256                                 dvb_frontend_detach(dvb->fe[0]);
1257                                 result = -EINVAL;
1258                                 goto out_free;
1259                         }
1260
1261 #ifdef CONFIG_GPIOLIB
1262                         /* enable LNA for DVB-T, DVB-T2 and DVB-C */
1263                         result = gpio_request_one(dvb->lna_gpio,
1264                                                   GPIOF_OUT_INIT_LOW, NULL);
1265                         if (result)
1266                                 em28xx_errdev("gpio request failed %d\n",
1267                                               result);
1268                         else
1269                                 gpio_free(dvb->lna_gpio);
1270
1271                         result = 0; /* continue even set LNA fails */
1272 #endif
1273                         dvb->fe[0]->ops.set_lna = em28xx_pctv_290e_set_lna;
1274                 }
1275
1276                 break;
1277         case EM2884_BOARD_HAUPPAUGE_WINTV_HVR_930C:
1278         {
1279                 struct xc5000_config cfg;
1280
1281                 hauppauge_hvr930c_init(dev);
1282
1283                 dvb->fe[0] = dvb_attach(drxk_attach,
1284                                         &hauppauge_930c_drxk, &dev->i2c_adap[dev->def_i2c_bus]);
1285                 if (!dvb->fe[0]) {
1286                         result = -EINVAL;
1287                         goto out_free;
1288                 }
1289                 /* FIXME: do we need a pll semaphore? */
1290                 dvb->fe[0]->sec_priv = dvb;
1291                 sema_init(&dvb->pll_mutex, 1);
1292                 dvb->gate_ctrl = dvb->fe[0]->ops.i2c_gate_ctrl;
1293                 dvb->fe[0]->ops.i2c_gate_ctrl = drxk_gate_ctrl;
1294
1295                 /* Attach xc5000 */
1296                 memset(&cfg, 0, sizeof(cfg));
1297                 cfg.i2c_address  = 0x61;
1298                 cfg.if_khz = 4000;
1299
1300                 if (dvb->fe[0]->ops.i2c_gate_ctrl)
1301                         dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 1);
1302                 if (!dvb_attach(xc5000_attach, dvb->fe[0], &dev->i2c_adap[dev->def_i2c_bus],
1303                                 &cfg)) {
1304                         result = -EINVAL;
1305                         goto out_free;
1306                 }
1307                 if (dvb->fe[0]->ops.i2c_gate_ctrl)
1308                         dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 0);
1309
1310                 break;
1311         }
1312         case EM2884_BOARD_TERRATEC_H5:
1313                 terratec_h5_init(dev);
1314
1315                 dvb->fe[0] = dvb_attach(drxk_attach, &terratec_h5_drxk, &dev->i2c_adap[dev->def_i2c_bus]);
1316                 if (!dvb->fe[0]) {
1317                         result = -EINVAL;
1318                         goto out_free;
1319                 }
1320                 /* FIXME: do we need a pll semaphore? */
1321                 dvb->fe[0]->sec_priv = dvb;
1322                 sema_init(&dvb->pll_mutex, 1);
1323                 dvb->gate_ctrl = dvb->fe[0]->ops.i2c_gate_ctrl;
1324                 dvb->fe[0]->ops.i2c_gate_ctrl = drxk_gate_ctrl;
1325
1326                 /* Attach tda18271 to DVB-C frontend */
1327                 if (dvb->fe[0]->ops.i2c_gate_ctrl)
1328                         dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 1);
1329                 if (!dvb_attach(tda18271c2dd_attach, dvb->fe[0], &dev->i2c_adap[dev->def_i2c_bus], 0x60)) {
1330                         result = -EINVAL;
1331                         goto out_free;
1332                 }
1333                 if (dvb->fe[0]->ops.i2c_gate_ctrl)
1334                         dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 0);
1335
1336                 break;
1337         case EM2884_BOARD_C3TECH_DIGITAL_DUO:
1338                 dvb->fe[0] = dvb_attach(mb86a20s_attach,
1339                                            &c3tech_duo_mb86a20s_config,
1340                                            &dev->i2c_adap[dev->def_i2c_bus]);
1341                 if (dvb->fe[0] != NULL)
1342                         dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
1343                                    &dev->i2c_adap[dev->def_i2c_bus],
1344                                    &c3tech_duo_tda18271_config);
1345                 break;
1346         case EM28174_BOARD_PCTV_460E: {
1347                 struct i2c_client *client;
1348                 struct i2c_board_info board_info;
1349                 struct tda10071_platform_data tda10071_pdata = {};
1350                 struct a8293_platform_data a8293_pdata = {};
1351
1352                 /* attach demod + tuner combo */
1353                 tda10071_pdata.clk = 40444000, /* 40.444 MHz */
1354                 tda10071_pdata.i2c_wr_max = 64,
1355                 tda10071_pdata.ts_mode = TDA10071_TS_SERIAL,
1356                 tda10071_pdata.pll_multiplier = 20,
1357                 tda10071_pdata.tuner_i2c_addr = 0x14,
1358                 memset(&board_info, 0, sizeof(board_info));
1359                 strlcpy(board_info.type, "tda10071_cx24118", I2C_NAME_SIZE);
1360                 board_info.addr = 0x55;
1361                 board_info.platform_data = &tda10071_pdata;
1362                 request_module("tda10071");
1363                 client = i2c_new_device(&dev->i2c_adap[dev->def_i2c_bus], &board_info);
1364                 if (client == NULL || client->dev.driver == NULL) {
1365                         result = -ENODEV;
1366                         goto out_free;
1367                 }
1368                 if (!try_module_get(client->dev.driver->owner)) {
1369                         i2c_unregister_device(client);
1370                         result = -ENODEV;
1371                         goto out_free;
1372                 }
1373                 dvb->fe[0] = tda10071_pdata.get_dvb_frontend(client);
1374                 dvb->i2c_client_demod = client;
1375
1376                 /* attach SEC */
1377                 a8293_pdata.dvb_frontend = dvb->fe[0];
1378                 memset(&board_info, 0, sizeof(board_info));
1379                 strlcpy(board_info.type, "a8293", I2C_NAME_SIZE);
1380                 board_info.addr = 0x08;
1381                 board_info.platform_data = &a8293_pdata;
1382                 request_module("a8293");
1383                 client = i2c_new_device(&dev->i2c_adap[dev->def_i2c_bus], &board_info);
1384                 if (client == NULL || client->dev.driver == NULL) {
1385                         module_put(dvb->i2c_client_demod->dev.driver->owner);
1386                         i2c_unregister_device(dvb->i2c_client_demod);
1387                         result = -ENODEV;
1388                         goto out_free;
1389                 }
1390                 if (!try_module_get(client->dev.driver->owner)) {
1391                         i2c_unregister_device(client);
1392                         module_put(dvb->i2c_client_demod->dev.driver->owner);
1393                         i2c_unregister_device(dvb->i2c_client_demod);
1394                         result = -ENODEV;
1395                         goto out_free;
1396                 }
1397                 dvb->i2c_client_sec = client;
1398                 break;
1399         }
1400         case EM2874_BOARD_DELOCK_61959:
1401         case EM2874_BOARD_MAXMEDIA_UB425_TC:
1402                 /* attach demodulator */
1403                 dvb->fe[0] = dvb_attach(drxk_attach, &maxmedia_ub425_tc_drxk,
1404                                 &dev->i2c_adap[dev->def_i2c_bus]);
1405
1406                 if (dvb->fe[0]) {
1407                         /* disable I2C-gate */
1408                         dvb->fe[0]->ops.i2c_gate_ctrl = NULL;
1409
1410                         /* attach tuner */
1411                         if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
1412                                         &dev->i2c_adap[dev->def_i2c_bus],
1413                                         &em28xx_cxd2820r_tda18271_config)) {
1414                                 dvb_frontend_detach(dvb->fe[0]);
1415                                 result = -EINVAL;
1416                                 goto out_free;
1417                         }
1418                 }
1419                 break;
1420         case EM2884_BOARD_PCTV_510E:
1421         case EM2884_BOARD_PCTV_520E:
1422                 pctv_520e_init(dev);
1423
1424                 /* attach demodulator */
1425                 dvb->fe[0] = dvb_attach(drxk_attach, &pctv_520e_drxk,
1426                                 &dev->i2c_adap[dev->def_i2c_bus]);
1427
1428                 if (dvb->fe[0]) {
1429                         /* attach tuner */
1430                         if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
1431                                         &dev->i2c_adap[dev->def_i2c_bus],
1432                                         &em28xx_cxd2820r_tda18271_config)) {
1433                                 dvb_frontend_detach(dvb->fe[0]);
1434                                 result = -EINVAL;
1435                                 goto out_free;
1436                         }
1437                 }
1438                 break;
1439         case EM2884_BOARD_ELGATO_EYETV_HYBRID_2008:
1440         case EM2884_BOARD_CINERGY_HTC_STICK:
1441                 terratec_htc_stick_init(dev);
1442
1443                 /* attach demodulator */
1444                 dvb->fe[0] = dvb_attach(drxk_attach, &terratec_htc_stick_drxk,
1445                                         &dev->i2c_adap[dev->def_i2c_bus]);
1446                 if (!dvb->fe[0]) {
1447                         result = -EINVAL;
1448                         goto out_free;
1449                 }
1450
1451                 /* Attach the demodulator. */
1452                 if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
1453                                 &dev->i2c_adap[dev->def_i2c_bus],
1454                                 &em28xx_cxd2820r_tda18271_config)) {
1455                         result = -EINVAL;
1456                         goto out_free;
1457                 }
1458                 break;
1459         case EM2884_BOARD_TERRATEC_HTC_USB_XS:
1460                 terratec_htc_usb_xs_init(dev);
1461
1462                 /* attach demodulator */
1463                 dvb->fe[0] = dvb_attach(drxk_attach, &terratec_htc_stick_drxk,
1464                                         &dev->i2c_adap[dev->def_i2c_bus]);
1465                 if (!dvb->fe[0]) {
1466                         result = -EINVAL;
1467                         goto out_free;
1468                 }
1469
1470                 /* Attach the demodulator. */
1471                 if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
1472                                 &dev->i2c_adap[dev->def_i2c_bus],
1473                                 &em28xx_cxd2820r_tda18271_config)) {
1474                         result = -EINVAL;
1475                         goto out_free;
1476                 }
1477                 break;
1478         case EM2874_BOARD_KWORLD_UB435Q_V2:
1479                 dvb->fe[0] = dvb_attach(lgdt3305_attach,
1480                                         &em2874_lgdt3305_dev,
1481                                         &dev->i2c_adap[dev->def_i2c_bus]);
1482                 if (!dvb->fe[0]) {
1483                         result = -EINVAL;
1484                         goto out_free;
1485                 }
1486
1487                 /* Attach the demodulator. */
1488                 if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
1489                                 &dev->i2c_adap[dev->def_i2c_bus],
1490                                 &kworld_ub435q_v2_config)) {
1491                         result = -EINVAL;
1492                         goto out_free;
1493                 }
1494                 break;
1495         case EM2874_BOARD_KWORLD_UB435Q_V3:
1496         {
1497                 struct i2c_client *client;
1498                 struct i2c_adapter *adapter = &dev->i2c_adap[dev->def_i2c_bus];
1499                 struct i2c_board_info board_info = {
1500                         .type = "tda18212",
1501                         .addr = 0x60,
1502                         .platform_data = &kworld_ub435q_v3_config,
1503                 };
1504
1505                 dvb->fe[0] = dvb_attach(lgdt3305_attach,
1506                                         &em2874_lgdt3305_nogate_dev,
1507                                         &dev->i2c_adap[dev->def_i2c_bus]);
1508                 if (!dvb->fe[0]) {
1509                         result = -EINVAL;
1510                         goto out_free;
1511                 }
1512
1513                 /* attach tuner */
1514                 kworld_ub435q_v3_config.fe = dvb->fe[0];
1515                 request_module("tda18212");
1516                 client = i2c_new_device(adapter, &board_info);
1517                 if (client == NULL || client->dev.driver == NULL) {
1518                         dvb_frontend_detach(dvb->fe[0]);
1519                         result = -ENODEV;
1520                         goto out_free;
1521                 }
1522
1523                 if (!try_module_get(client->dev.driver->owner)) {
1524                         i2c_unregister_device(client);
1525                         dvb_frontend_detach(dvb->fe[0]);
1526                         result = -ENODEV;
1527                         goto out_free;
1528                 }
1529
1530                 dvb->i2c_client_tuner = client;
1531                 break;
1532         }
1533         case EM2874_BOARD_PCTV_HD_MINI_80E:
1534                 dvb->fe[0] = dvb_attach(drx39xxj_attach, &dev->i2c_adap[dev->def_i2c_bus]);
1535                 if (dvb->fe[0] != NULL) {
1536                         dvb->fe[0] = dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
1537                                                 &dev->i2c_adap[dev->def_i2c_bus],
1538                                                 &pinnacle_80e_dvb_config);
1539                         if (!dvb->fe[0]) {
1540                                 result = -EINVAL;
1541                                 goto out_free;
1542                         }
1543                 }
1544                 break;
1545         case EM28178_BOARD_PCTV_461E: {
1546                 struct i2c_client *client;
1547                 struct i2c_adapter *i2c_adapter;
1548                 struct i2c_board_info board_info;
1549                 struct m88ds3103_platform_data m88ds3103_pdata = {};
1550                 struct ts2020_config ts2020_config = {};
1551                 struct a8293_platform_data a8293_pdata = {};
1552
1553                 /* attach demod */
1554                 m88ds3103_pdata.clk = 27000000;
1555                 m88ds3103_pdata.i2c_wr_max = 33;
1556                 m88ds3103_pdata.ts_mode = M88DS3103_TS_PARALLEL;
1557                 m88ds3103_pdata.ts_clk = 16000;
1558                 m88ds3103_pdata.ts_clk_pol = 1;
1559                 m88ds3103_pdata.agc = 0x99;
1560                 memset(&board_info, 0, sizeof(board_info));
1561                 strlcpy(board_info.type, "m88ds3103", I2C_NAME_SIZE);
1562                 board_info.addr = 0x68;
1563                 board_info.platform_data = &m88ds3103_pdata;
1564                 request_module("m88ds3103");
1565                 client = i2c_new_device(&dev->i2c_adap[dev->def_i2c_bus], &board_info);
1566                 if (client == NULL || client->dev.driver == NULL) {
1567                         result = -ENODEV;
1568                         goto out_free;
1569                 }
1570                 if (!try_module_get(client->dev.driver->owner)) {
1571                         i2c_unregister_device(client);
1572                         result = -ENODEV;
1573                         goto out_free;
1574                 }
1575                 dvb->fe[0] = m88ds3103_pdata.get_dvb_frontend(client);
1576                 i2c_adapter = m88ds3103_pdata.get_i2c_adapter(client);
1577                 dvb->i2c_client_demod = client;
1578
1579                 /* attach tuner */
1580                 ts2020_config.fe = dvb->fe[0];
1581                 memset(&board_info, 0, sizeof(board_info));
1582                 strlcpy(board_info.type, "ts2022", I2C_NAME_SIZE);
1583                 board_info.addr = 0x60;
1584                 board_info.platform_data = &ts2020_config;
1585                 request_module("ts2020");
1586                 client = i2c_new_device(i2c_adapter, &board_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                 if (!try_module_get(client->dev.driver->owner)) {
1594                         i2c_unregister_device(client);
1595                         module_put(dvb->i2c_client_demod->dev.driver->owner);
1596                         i2c_unregister_device(dvb->i2c_client_demod);
1597                         result = -ENODEV;
1598                         goto out_free;
1599                 }
1600                 dvb->i2c_client_tuner = client;
1601                 /* delegate signal strength measurement to tuner */
1602                 dvb->fe[0]->ops.read_signal_strength =
1603                                 dvb->fe[0]->ops.tuner_ops.get_rf_strength;
1604
1605                 /* attach SEC */
1606                 a8293_pdata.dvb_frontend = dvb->fe[0];
1607                 memset(&board_info, 0, sizeof(board_info));
1608                 strlcpy(board_info.type, "a8293", I2C_NAME_SIZE);
1609                 board_info.addr = 0x08;
1610                 board_info.platform_data = &a8293_pdata;
1611                 request_module("a8293");
1612                 client = i2c_new_device(&dev->i2c_adap[dev->def_i2c_bus], &board_info);
1613                 if (client == NULL || client->dev.driver == NULL) {
1614                         module_put(dvb->i2c_client_tuner->dev.driver->owner);
1615                         i2c_unregister_device(dvb->i2c_client_tuner);
1616                         module_put(dvb->i2c_client_demod->dev.driver->owner);
1617                         i2c_unregister_device(dvb->i2c_client_demod);
1618                         result = -ENODEV;
1619                         goto out_free;
1620                 }
1621                 if (!try_module_get(client->dev.driver->owner)) {
1622                         i2c_unregister_device(client);
1623                         module_put(dvb->i2c_client_tuner->dev.driver->owner);
1624                         i2c_unregister_device(dvb->i2c_client_tuner);
1625                         module_put(dvb->i2c_client_demod->dev.driver->owner);
1626                         i2c_unregister_device(dvb->i2c_client_demod);
1627                         result = -ENODEV;
1628                         goto out_free;
1629                 }
1630                 dvb->i2c_client_sec = client;
1631                 break;
1632         }
1633         case EM28178_BOARD_PCTV_292E:
1634                 {
1635                         struct i2c_adapter *adapter;
1636                         struct i2c_client *client;
1637                         struct i2c_board_info info;
1638                         struct si2168_config si2168_config;
1639                         struct si2157_config si2157_config;
1640
1641                         /* attach demod */
1642                         memset(&si2168_config, 0, sizeof(si2168_config));
1643                         si2168_config.i2c_adapter = &adapter;
1644                         si2168_config.fe = &dvb->fe[0];
1645                         si2168_config.ts_mode = SI2168_TS_PARALLEL;
1646                         memset(&info, 0, sizeof(struct i2c_board_info));
1647                         strlcpy(info.type, "si2168", I2C_NAME_SIZE);
1648                         info.addr = 0x64;
1649                         info.platform_data = &si2168_config;
1650                         request_module(info.type);
1651                         client = i2c_new_device(&dev->i2c_adap[dev->def_i2c_bus], &info);
1652                         if (client == NULL || client->dev.driver == NULL) {
1653                                 result = -ENODEV;
1654                                 goto out_free;
1655                         }
1656
1657                         if (!try_module_get(client->dev.driver->owner)) {
1658                                 i2c_unregister_device(client);
1659                                 result = -ENODEV;
1660                                 goto out_free;
1661                         }
1662
1663                         dvb->i2c_client_demod = client;
1664
1665                         /* attach tuner */
1666                         memset(&si2157_config, 0, sizeof(si2157_config));
1667                         si2157_config.fe = dvb->fe[0];
1668                         si2157_config.if_port = 1;
1669                         memset(&info, 0, sizeof(struct i2c_board_info));
1670                         strlcpy(info.type, "si2157", I2C_NAME_SIZE);
1671                         info.addr = 0x60;
1672                         info.platform_data = &si2157_config;
1673                         request_module(info.type);
1674                         client = i2c_new_device(adapter, &info);
1675                         if (client == NULL || client->dev.driver == NULL) {
1676                                 module_put(dvb->i2c_client_demod->dev.driver->owner);
1677                                 i2c_unregister_device(dvb->i2c_client_demod);
1678                                 result = -ENODEV;
1679                                 goto out_free;
1680                         }
1681
1682                         if (!try_module_get(client->dev.driver->owner)) {
1683                                 i2c_unregister_device(client);
1684                                 module_put(dvb->i2c_client_demod->dev.driver->owner);
1685                                 i2c_unregister_device(dvb->i2c_client_demod);
1686                                 result = -ENODEV;
1687                                 goto out_free;
1688                         }
1689
1690                         dvb->i2c_client_tuner = client;
1691                         dvb->fe[0]->ops.set_lna = em28xx_pctv_292e_set_lna;
1692                 }
1693                 break;
1694         case EM28178_BOARD_TERRATEC_T2_STICK_HD:
1695                 {
1696                         struct i2c_adapter *adapter;
1697                         struct i2c_client *client;
1698                         struct i2c_board_info info;
1699                         struct si2168_config si2168_config;
1700                         struct si2157_config si2157_config;
1701
1702                         /* attach demod */
1703                         memset(&si2168_config, 0, sizeof(si2168_config));
1704                         si2168_config.i2c_adapter = &adapter;
1705                         si2168_config.fe = &dvb->fe[0];
1706                         si2168_config.ts_mode = SI2168_TS_PARALLEL;
1707                         memset(&info, 0, sizeof(struct i2c_board_info));
1708                         strlcpy(info.type, "si2168", I2C_NAME_SIZE);
1709                         info.addr = 0x64;
1710                         info.platform_data = &si2168_config;
1711                         request_module(info.type);
1712                         client = i2c_new_device(&dev->i2c_adap[dev->def_i2c_bus], &info);
1713                         if (client == NULL || client->dev.driver == NULL) {
1714                                 result = -ENODEV;
1715                                 goto out_free;
1716                         }
1717
1718                         if (!try_module_get(client->dev.driver->owner)) {
1719                                 i2c_unregister_device(client);
1720                                 result = -ENODEV;
1721                                 goto out_free;
1722                         }
1723
1724                         dvb->i2c_client_demod = client;
1725
1726                         /* attach tuner */
1727                         memset(&si2157_config, 0, sizeof(si2157_config));
1728                         si2157_config.fe = dvb->fe[0];
1729                         si2157_config.if_port = 0;
1730                         memset(&info, 0, sizeof(struct i2c_board_info));
1731                         strlcpy(info.type, "si2146", I2C_NAME_SIZE);
1732                         info.addr = 0x60;
1733                         info.platform_data = &si2157_config;
1734                         request_module("si2157");
1735                         client = i2c_new_device(adapter, &info);
1736                         if (client == NULL || client->dev.driver == NULL) {
1737                                 module_put(dvb->i2c_client_demod->dev.driver->owner);
1738                                 i2c_unregister_device(dvb->i2c_client_demod);
1739                                 result = -ENODEV;
1740                                 goto out_free;
1741                         }
1742
1743                         if (!try_module_get(client->dev.driver->owner)) {
1744                                 i2c_unregister_device(client);
1745                                 module_put(dvb->i2c_client_demod->dev.driver->owner);
1746                                 i2c_unregister_device(dvb->i2c_client_demod);
1747                                 result = -ENODEV;
1748                                 goto out_free;
1749                         }
1750
1751                         dvb->i2c_client_tuner = client;
1752                 }
1753                 break;
1754         default:
1755                 em28xx_errdev("/2: The frontend of your DVB/ATSC card"
1756                                 " isn't supported yet\n");
1757                 break;
1758         }
1759         if (NULL == dvb->fe[0]) {
1760                 em28xx_errdev("/2: frontend initialization failed\n");
1761                 result = -EINVAL;
1762                 goto out_free;
1763         }
1764         /* define general-purpose callback pointer */
1765         dvb->fe[0]->callback = em28xx_tuner_callback;
1766         if (dvb->fe[1])
1767                 dvb->fe[1]->callback = em28xx_tuner_callback;
1768
1769         /* register everything */
1770         result = em28xx_register_dvb(dvb, THIS_MODULE, dev, &dev->udev->dev);
1771
1772         if (result < 0)
1773                 goto out_free;
1774
1775         em28xx_info("DVB extension successfully initialized\n");
1776
1777         kref_get(&dev->ref);
1778
1779 ret:
1780         em28xx_set_mode(dev, EM28XX_SUSPEND);
1781         mutex_unlock(&dev->lock);
1782         return result;
1783
1784 out_free:
1785         kfree(dvb);
1786         dev->dvb = NULL;
1787         goto ret;
1788 }
1789
1790 static inline void prevent_sleep(struct dvb_frontend_ops *ops)
1791 {
1792         ops->set_voltage = NULL;
1793         ops->sleep = NULL;
1794         ops->tuner_ops.sleep = NULL;
1795 }
1796
1797 static int em28xx_dvb_fini(struct em28xx *dev)
1798 {
1799         struct em28xx_dvb *dvb;
1800         struct i2c_client *client;
1801
1802         if (dev->is_audio_only) {
1803                 /* Shouldn't initialize IR for this interface */
1804                 return 0;
1805         }
1806
1807         if (!dev->board.has_dvb) {
1808                 /* This device does not support the extension */
1809                 return 0;
1810         }
1811
1812         if (!dev->dvb)
1813                 return 0;
1814
1815         em28xx_info("Closing DVB extension\n");
1816
1817         dvb = dev->dvb;
1818
1819         em28xx_uninit_usb_xfer(dev, EM28XX_DIGITAL_MODE);
1820
1821         if (dev->disconnected) {
1822                 /* We cannot tell the device to sleep
1823                  * once it has been unplugged. */
1824                 if (dvb->fe[0]) {
1825                         prevent_sleep(&dvb->fe[0]->ops);
1826                         dvb->fe[0]->exit = DVB_FE_DEVICE_REMOVED;
1827                 }
1828                 if (dvb->fe[1]) {
1829                         prevent_sleep(&dvb->fe[1]->ops);
1830                         dvb->fe[1]->exit = DVB_FE_DEVICE_REMOVED;
1831                 }
1832         }
1833
1834         /* remove I2C SEC */
1835         client = dvb->i2c_client_sec;
1836         if (client) {
1837                 module_put(client->dev.driver->owner);
1838                 i2c_unregister_device(client);
1839         }
1840
1841         /* remove I2C tuner */
1842         client = dvb->i2c_client_tuner;
1843         if (client) {
1844                 module_put(client->dev.driver->owner);
1845                 i2c_unregister_device(client);
1846         }
1847
1848         /* remove I2C demod */
1849         client = dvb->i2c_client_demod;
1850         if (client) {
1851                 module_put(client->dev.driver->owner);
1852                 i2c_unregister_device(client);
1853         }
1854
1855         em28xx_unregister_dvb(dvb);
1856         kfree(dvb);
1857         dev->dvb = NULL;
1858         kref_put(&dev->ref, em28xx_free_device);
1859
1860         return 0;
1861 }
1862
1863 static int em28xx_dvb_suspend(struct em28xx *dev)
1864 {
1865         int ret = 0;
1866
1867         if (dev->is_audio_only)
1868                 return 0;
1869
1870         if (!dev->board.has_dvb)
1871                 return 0;
1872
1873         em28xx_info("Suspending DVB extension\n");
1874         if (dev->dvb) {
1875                 struct em28xx_dvb *dvb = dev->dvb;
1876
1877                 if (dvb->fe[0]) {
1878                         ret = dvb_frontend_suspend(dvb->fe[0]);
1879                         em28xx_info("fe0 suspend %d\n", ret);
1880                 }
1881                 if (dvb->fe[1]) {
1882                         dvb_frontend_suspend(dvb->fe[1]);
1883                         em28xx_info("fe1 suspend %d\n", ret);
1884                 }
1885         }
1886
1887         return 0;
1888 }
1889
1890 static int em28xx_dvb_resume(struct em28xx *dev)
1891 {
1892         int ret = 0;
1893
1894         if (dev->is_audio_only)
1895                 return 0;
1896
1897         if (!dev->board.has_dvb)
1898                 return 0;
1899
1900         em28xx_info("Resuming DVB extension\n");
1901         if (dev->dvb) {
1902                 struct em28xx_dvb *dvb = dev->dvb;
1903
1904                 if (dvb->fe[0]) {
1905                         ret = dvb_frontend_resume(dvb->fe[0]);
1906                         em28xx_info("fe0 resume %d\n", ret);
1907                 }
1908
1909                 if (dvb->fe[1]) {
1910                         ret = dvb_frontend_resume(dvb->fe[1]);
1911                         em28xx_info("fe1 resume %d\n", ret);
1912                 }
1913         }
1914
1915         return 0;
1916 }
1917
1918 static struct em28xx_ops dvb_ops = {
1919         .id   = EM28XX_DVB,
1920         .name = "Em28xx dvb Extension",
1921         .init = em28xx_dvb_init,
1922         .fini = em28xx_dvb_fini,
1923         .suspend = em28xx_dvb_suspend,
1924         .resume = em28xx_dvb_resume,
1925 };
1926
1927 static int __init em28xx_dvb_register(void)
1928 {
1929         return em28xx_register_extension(&dvb_ops);
1930 }
1931
1932 static void __exit em28xx_dvb_unregister(void)
1933 {
1934         em28xx_unregister_extension(&dvb_ops);
1935 }
1936
1937 module_init(em28xx_dvb_register);
1938 module_exit(em28xx_dvb_unregister);