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

   1 // SPDX-License-Identifier: GPL-2.0
   2 //
   3 // DVB device driver for em28xx
   4 //
   5 // (c) 2008-2011 Mauro Carvalho Chehab <[email protected]>
   6 //
   7 // (c) 2008 Devin Heitmueller <[email protected]>
   8 //      - Fixes for the driver to properly work with HVR-950
   9 //      - Fixes for the driver to properly work with Pinnacle PCTV HD Pro Stick
  10 //      - Fixes for the driver to properly work with AMD ATI TV Wonder HD 600
  11 //
  12 // (c) 2008 Aidan Thornton <[email protected]>
  13 //
  14 // (c) 2012 Frank Schäfer <[email protected]>
  15 //
  16 // Based on cx88-dvb, saa7134-dvb and videobuf-dvb originally written by:
  17 //      (c) 2004, 2005 Chris Pascoe <[email protected]>
  18 //      (c) 2004 Gerd Knorr <[email protected]> [SuSE Labs]
  19 //
  20 // This program is free software; you can redistribute it and/or modify
  21 // it under the terms of the GNU General Public License as published by
  22 // the Free Software Foundation version 2 of the License.
  23
  24 #include "em28xx.h"
  25
  26 #include <linux/kernel.h>
  27 #include <linux/slab.h>
  28 #include <linux/usb.h>
  29
  30 #include <media/v4l2-common.h>
  31 #include <media/dvb_demux.h>
  32 #include <media/dvb_net.h>
  33 #include <media/dmxdev.h>
  34 #include <media/tuner.h>
  35 #include "tuner-simple.h"
  36 #include <linux/gpio.h>
  37
  38 #include "lgdt330x.h"
  39 #include "lgdt3305.h"
  40 #include "lgdt3306a.h"
  41 #include "zl10353.h"
  42 #include "s5h1409.h"
  43 #include "mt2060.h"
  44 #include "mt352.h"
  45 #include "mt352_priv.h" /* FIXME */
  46 #include "tda1002x.h"
  47 #include "drx39xyj/drx39xxj.h"
  48 #include "tda18271.h"
  49 #include "s921.h"
  50 #include "drxd.h"
  51 #include "cxd2820r.h"
  52 #include "tda18271c2dd.h"
  53 #include "drxk.h"
  54 #include "tda10071.h"
  55 #include "tda18212.h"
  56 #include "a8293.h"
  57 #include "qt1010.h"
  58 #include "mb86a20s.h"
  59 #include "m88ds3103.h"
  60 #include "ts2020.h"
  61 #include "si2168.h"
  62 #include "si2157.h"
  63 #include "tc90522.h"
  64 #include "qm1d1c0042.h"
  65
  66 MODULE_AUTHOR("Mauro Carvalho Chehab <[email protected]>");
  67 MODULE_LICENSE("GPL v2");
  68 MODULE_DESCRIPTION(DRIVER_DESC " - digital TV interface");
  69 MODULE_VERSION(EM28XX_VERSION);
  70
  71 static unsigned int debug;
  72 module_param(debug, int, 0644);
  73 MODULE_PARM_DESC(debug, "enable debug messages [dvb]");
  74
  75 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
  76
  77 #define dprintk(level, fmt, arg...) do {                                \
  78         if (debug >= level)                                             \
  79                 dev_printk(KERN_DEBUG, &dev->intf->dev,                 \
  80                            "dvb: " fmt, ## arg);                        \
  81 } while (0)
  82
  83 struct em28xx_dvb {
  84         struct dvb_frontend        *fe[2];
  85
  86         /* feed count management */
  87         struct mutex               lock;
  88         int                        nfeeds;
  89
  90         /* general boilerplate stuff */
  91         struct dvb_adapter         adapter;
  92         struct dvb_demux           demux;
  93         struct dmxdev              dmxdev;
  94         struct dmx_frontend        fe_hw;
  95         struct dmx_frontend        fe_mem;
  96         struct dvb_net             net;
  97
  98         /* Due to DRX-K - probably need changes */
  99         int (*gate_ctrl)(struct dvb_frontend *fe, int gate);
 100         struct semaphore      pll_mutex;
 101         bool                    dont_attach_fe1;
 102         int                     lna_gpio;
 103         struct i2c_client       *i2c_client_demod;
 104         struct i2c_client       *i2c_client_tuner;
 105         struct i2c_client       *i2c_client_sec;
 106 };
 107
 108 static inline void print_err_status(struct em28xx *dev,
 109                                     int packet, int status)
 110 {
 111         char *errmsg = "Unknown";
 112
 113         switch (status) {
 114         case -ENOENT:
 115                 errmsg = "unlinked synchronously";
 116                 break;
 117         case -ECONNRESET:
 118                 errmsg = "unlinked asynchronously";
 119                 break;
 120         case -ENOSR:
 121                 errmsg = "Buffer error (overrun)";
 122                 break;
 123         case -EPIPE:
 124                 errmsg = "Stalled (device not responding)";
 125                 break;
 126         case -EOVERFLOW:
 127                 errmsg = "Babble (bad cable?)";
 128                 break;
 129         case -EPROTO:
 130                 errmsg = "Bit-stuff error (bad cable?)";
 131                 break;
 132         case -EILSEQ:
 133                 errmsg = "CRC/Timeout (could be anything)";
 134                 break;
 135         case -ETIME:
 136                 errmsg = "Device does not respond";
 137                 break;
 138         }
 139         if (packet < 0) {
 140                 dprintk(1, "URB status %d [%s].\n", status, errmsg);
 141         } else {
 142                 dprintk(1, "URB packet %d, status %d [%s].\n",
 143                         packet, status, errmsg);
 144         }
 145 }
 146
 147 static inline int em28xx_dvb_urb_data_copy(struct em28xx *dev, struct urb *urb)
 148 {
 149         int xfer_bulk, num_packets, i;
 150
 151         if (!dev)
 152                 return 0;
 153
 154         if (dev->disconnected)
 155                 return 0;
 156
 157         if (urb->status < 0)
 158                 print_err_status(dev, -1, urb->status);
 159
 160         xfer_bulk = usb_pipebulk(urb->pipe);
 161
 162         if (xfer_bulk) /* bulk */
 163                 num_packets = 1;
 164         else /* isoc */
 165                 num_packets = urb->number_of_packets;
 166
 167         for (i = 0; i < num_packets; i++) {
 168                 if (xfer_bulk) {
 169                         if (urb->status < 0) {
 170                                 print_err_status(dev, i, urb->status);
 171                                 if (urb->status != -EPROTO)
 172                                         continue;
 173                         }
 174                         if (!urb->actual_length)
 175                                 continue;
 176                         dvb_dmx_swfilter(&dev->dvb->demux, urb->transfer_buffer,
 177                                          urb->actual_length);
 178                 } else {
 179                         if (urb->iso_frame_desc[i].status < 0) {
 180                                 print_err_status(dev, i,
 181                                                  urb->iso_frame_desc[i].status);
 182                                 if (urb->iso_frame_desc[i].status != -EPROTO)
 183                                         continue;
 184                         }
 185                         if (!urb->iso_frame_desc[i].actual_length)
 186                                 continue;
 187                         dvb_dmx_swfilter(&dev->dvb->demux,
 188                                          urb->transfer_buffer +
 189                                          urb->iso_frame_desc[i].offset,
 190                                          urb->iso_frame_desc[i].actual_length);
 191                 }
 192         }
 193
 194         return 0;
 195 }
 196
 197 static int em28xx_start_streaming(struct em28xx_dvb *dvb)
 198 {
 199         int rc;
 200         struct em28xx_i2c_bus *i2c_bus = dvb->adapter.priv;
 201         struct em28xx *dev = i2c_bus->dev;
 202         struct usb_device *udev = interface_to_usbdev(dev->intf);
 203         int dvb_max_packet_size, packet_multiplier, dvb_alt;
 204
 205         if (dev->dvb_xfer_bulk) {
 206                 if (!dev->dvb_ep_bulk)
 207                         return -ENODEV;
 208                 dvb_max_packet_size = 512; /* USB 2.0 spec */
 209                 packet_multiplier = EM28XX_DVB_BULK_PACKET_MULTIPLIER;
 210                 dvb_alt = 0;
 211         } else { /* isoc */
 212                 if (!dev->dvb_ep_isoc)
 213                         return -ENODEV;
 214                 dvb_max_packet_size = dev->dvb_max_pkt_size_isoc;
 215                 if (dvb_max_packet_size < 0)
 216                         return dvb_max_packet_size;
 217                 packet_multiplier = EM28XX_DVB_NUM_ISOC_PACKETS;
 218                 dvb_alt = dev->dvb_alt_isoc;
 219         }
 220
 221         if (!dev->board.has_dual_ts)
 222                 usb_set_interface(udev, dev->ifnum, dvb_alt);
 223
 224         rc = em28xx_set_mode(dev, EM28XX_DIGITAL_MODE);
 225         if (rc < 0)
 226                 return rc;
 227
 228         dprintk(1, "Using %d buffers each with %d x %d bytes, alternate %d\n",
 229                 EM28XX_DVB_NUM_BUFS,
 230                 packet_multiplier,
 231                 dvb_max_packet_size, dvb_alt);
 232
 233         return em28xx_init_usb_xfer(dev, EM28XX_DIGITAL_MODE,
 234                                     dev->dvb_xfer_bulk,
 235                                     EM28XX_DVB_NUM_BUFS,
 236                                     dvb_max_packet_size,
 237                                     packet_multiplier,
 238                                     em28xx_dvb_urb_data_copy);
 239 }
 240
 241 static int em28xx_stop_streaming(struct em28xx_dvb *dvb)
 242 {
 243         struct em28xx_i2c_bus *i2c_bus = dvb->adapter.priv;
 244         struct em28xx *dev = i2c_bus->dev;
 245
 246         em28xx_stop_urbs(dev);
 247
 248         return 0;
 249 }
 250
 251 static int em28xx_start_feed(struct dvb_demux_feed *feed)
 252 {
 253         struct dvb_demux *demux  = feed->demux;
 254         struct em28xx_dvb *dvb = demux->priv;
 255         int rc, ret;
 256
 257         if (!demux->dmx.frontend)
 258                 return -EINVAL;
 259
 260         mutex_lock(&dvb->lock);
 261         dvb->nfeeds++;
 262         rc = dvb->nfeeds;
 263
 264         if (dvb->nfeeds == 1) {
 265                 ret = em28xx_start_streaming(dvb);
 266                 if (ret < 0)
 267                         rc = ret;
 268         }
 269
 270         mutex_unlock(&dvb->lock);
 271         return rc;
 272 }
 273
 274 static int em28xx_stop_feed(struct dvb_demux_feed *feed)
 275 {
 276         struct dvb_demux *demux  = feed->demux;
 277         struct em28xx_dvb *dvb = demux->priv;
 278         int err = 0;
 279
 280         mutex_lock(&dvb->lock);
 281         dvb->nfeeds--;
 282
 283         if (!dvb->nfeeds)
 284                 err = em28xx_stop_streaming(dvb);
 285
 286         mutex_unlock(&dvb->lock);
 287         return err;
 288 }
 289
 290 /* ------------------------------------------------------------------ */
 291 static int em28xx_dvb_bus_ctrl(struct dvb_frontend *fe, int acquire)
 292 {
 293         struct em28xx_i2c_bus *i2c_bus = fe->dvb->priv;
 294         struct em28xx *dev = i2c_bus->dev;
 295
 296         if (acquire)
 297                 return em28xx_set_mode(dev, EM28XX_DIGITAL_MODE);
 298         else
 299                 return em28xx_set_mode(dev, EM28XX_SUSPEND);
 300 }
 301
 302 /* ------------------------------------------------------------------ */
 303
 304 static struct lgdt330x_config em2880_lgdt3303_dev = {
 305         .demod_chip = LGDT3303,
 306 };
 307
 308 static struct lgdt3305_config em2870_lgdt3304_dev = {
 309         .i2c_addr           = 0x0e,
 310         .demod_chip         = LGDT3304,
 311         .spectral_inversion = 1,
 312         .deny_i2c_rptr      = 1,
 313         .mpeg_mode          = LGDT3305_MPEG_PARALLEL,
 314         .tpclk_edge         = LGDT3305_TPCLK_FALLING_EDGE,
 315         .tpvalid_polarity   = LGDT3305_TP_VALID_HIGH,
 316         .vsb_if_khz         = 3250,
 317         .qam_if_khz         = 4000,
 318 };
 319
 320 static struct lgdt3305_config em2874_lgdt3305_dev = {
 321         .i2c_addr           = 0x0e,
 322         .demod_chip         = LGDT3305,
 323         .spectral_inversion = 1,
 324         .deny_i2c_rptr      = 0,
 325         .mpeg_mode          = LGDT3305_MPEG_SERIAL,
 326         .tpclk_edge         = LGDT3305_TPCLK_FALLING_EDGE,
 327         .tpvalid_polarity   = LGDT3305_TP_VALID_HIGH,
 328         .vsb_if_khz         = 3250,
 329         .qam_if_khz         = 4000,
 330 };
 331
 332 static struct lgdt3305_config em2874_lgdt3305_nogate_dev = {
 333         .i2c_addr           = 0x0e,
 334         .demod_chip         = LGDT3305,
 335         .spectral_inversion = 1,
 336         .deny_i2c_rptr      = 1,
 337         .mpeg_mode          = LGDT3305_MPEG_SERIAL,
 338         .tpclk_edge         = LGDT3305_TPCLK_FALLING_EDGE,
 339         .tpvalid_polarity   = LGDT3305_TP_VALID_HIGH,
 340         .vsb_if_khz         = 3600,
 341         .qam_if_khz         = 3600,
 342 };
 343
 344 static struct s921_config sharp_isdbt = {
 345         .demod_address = 0x30 >> 1
 346 };
 347
 348 static struct zl10353_config em28xx_zl10353_with_xc3028 = {
 349         .demod_address = (0x1e >> 1),
 350         .no_tuner = 1,
 351         .parallel_ts = 1,
 352         .if2 = 45600,
 353 };
 354
 355 static struct s5h1409_config em28xx_s5h1409_with_xc3028 = {
 356         .demod_address = 0x32 >> 1,
 357         .output_mode   = S5H1409_PARALLEL_OUTPUT,
 358         .gpio          = S5H1409_GPIO_OFF,
 359         .inversion     = S5H1409_INVERSION_OFF,
 360         .status_mode   = S5H1409_DEMODLOCKING,
 361         .mpeg_timing   = S5H1409_MPEGTIMING_CONTINUOUS_NONINVERTING_CLOCK
 362 };
 363
 364 static struct tda18271_std_map kworld_a340_std_map = {
 365         .atsc_6   = { .if_freq = 3250, .agc_mode = 3, .std = 0,
 366                       .if_lvl = 1, .rfagc_top = 0x37, },
 367         .qam_6    = { .if_freq = 4000, .agc_mode = 3, .std = 1,
 368                       .if_lvl = 1, .rfagc_top = 0x37, },
 369 };
 370
 371 static struct tda18271_config kworld_a340_config = {
 372         .std_map           = &kworld_a340_std_map,
 373 };
 374
 375 static struct tda18271_config kworld_ub435q_v2_config = {
 376         .std_map        = &kworld_a340_std_map,
 377         .gate           = TDA18271_GATE_DIGITAL,
 378 };
 379
 380 static struct tda18212_config kworld_ub435q_v3_config = {
 381         .if_atsc_vsb    = 3600,
 382         .if_atsc_qam    = 3600,
 383 };
 384
 385 static struct zl10353_config em28xx_zl10353_xc3028_no_i2c_gate = {
 386         .demod_address = (0x1e >> 1),
 387         .no_tuner = 1,
 388         .disable_i2c_gate_ctrl = 1,
 389         .parallel_ts = 1,
 390         .if2 = 45600,
 391 };
 392
 393 static struct drxd_config em28xx_drxd = {
 394         .demod_address = 0x70,
 395         .demod_revision = 0xa2,
 396         .pll_type = DRXD_PLL_NONE,
 397         .clock = 12000,
 398         .insert_rs_byte = 1,
 399         .IF = 42800000,
 400         .disable_i2c_gate_ctrl = 1,
 401 };
 402
 403 static struct drxk_config terratec_h5_drxk = {
 404         .adr = 0x29,
 405         .single_master = 1,
 406         .no_i2c_bridge = 1,
 407         .microcode_name = "dvb-usb-terratec-h5-drxk.fw",
 408         .qam_demod_parameter_count = 2,
 409 };
 410
 411 static struct drxk_config hauppauge_930c_drxk = {
 412         .adr = 0x29,
 413         .single_master = 1,
 414         .no_i2c_bridge = 1,
 415         .microcode_name = "dvb-usb-hauppauge-hvr930c-drxk.fw",
 416         .chunk_size = 56,
 417         .qam_demod_parameter_count = 2,
 418 };
 419
 420 static struct drxk_config terratec_htc_stick_drxk = {
 421         .adr = 0x29,
 422         .single_master = 1,
 423         .no_i2c_bridge = 1,
 424         .microcode_name = "dvb-usb-terratec-htc-stick-drxk.fw",
 425         .chunk_size = 54,
 426         .qam_demod_parameter_count = 2,
 427         /* Required for the antenna_gpio to disable LNA. */
 428         .antenna_dvbt = true,
 429         /* The windows driver uses the same. This will disable LNA. */
 430         .antenna_gpio = 0x6,
 431 };
 432
 433 static struct drxk_config maxmedia_ub425_tc_drxk = {
 434         .adr = 0x29,
 435         .single_master = 1,
 436         .no_i2c_bridge = 1,
 437         .microcode_name = "dvb-demod-drxk-01.fw",
 438         .chunk_size = 62,
 439         .qam_demod_parameter_count = 2,
 440 };
 441
 442 static struct drxk_config pctv_520e_drxk = {
 443         .adr = 0x29,
 444         .single_master = 1,
 445         .microcode_name = "dvb-demod-drxk-pctv.fw",
 446         .qam_demod_parameter_count = 2,
 447         .chunk_size = 58,
 448         .antenna_dvbt = true, /* disable LNA */
 449         .antenna_gpio = (1 << 2), /* disable LNA */
 450 };
 451
 452 static int drxk_gate_ctrl(struct dvb_frontend *fe, int enable)
 453 {
 454         struct em28xx_dvb *dvb = fe->sec_priv;
 455         int status;
 456
 457         if (!dvb)
 458                 return -EINVAL;
 459
 460         if (enable) {
 461                 down(&dvb->pll_mutex);
 462                 status = dvb->gate_ctrl(fe, 1);
 463         } else {
 464                 status = dvb->gate_ctrl(fe, 0);
 465                 up(&dvb->pll_mutex);
 466         }
 467         return status;
 468 }
 469
 470 static void hauppauge_hvr930c_init(struct em28xx *dev)
 471 {
 472         int i;
 473
 474         static const struct em28xx_reg_seq hauppauge_hvr930c_init[] = {
 475                 {EM2874_R80_GPIO_P0_CTRL,       0xff,   0xff,   0x65},
 476                 {EM2874_R80_GPIO_P0_CTRL,       0xfb,   0xff,   0x32},
 477                 {EM2874_R80_GPIO_P0_CTRL,       0xff,   0xff,   0xb8},
 478                 {       -1,                     -1,     -1,     -1},
 479         };
 480         static const struct em28xx_reg_seq hauppauge_hvr930c_end[] = {
 481                 {EM2874_R80_GPIO_P0_CTRL,       0xef,   0xff,   0x01},
 482                 {EM2874_R80_GPIO_P0_CTRL,       0xaf,   0xff,   0x65},
 483                 {EM2874_R80_GPIO_P0_CTRL,       0xef,   0xff,   0x76},
 484                 {EM2874_R80_GPIO_P0_CTRL,       0xef,   0xff,   0x01},
 485                 {EM2874_R80_GPIO_P0_CTRL,       0xcf,   0xff,   0x0b},
 486                 {EM2874_R80_GPIO_P0_CTRL,       0xef,   0xff,   0x40},
 487
 488                 {EM2874_R80_GPIO_P0_CTRL,       0xcf,   0xff,   0x65},
 489                 {EM2874_R80_GPIO_P0_CTRL,       0xef,   0xff,   0x65},
 490                 {EM2874_R80_GPIO_P0_CTRL,       0xcf,   0xff,   0x0b},
 491                 {EM2874_R80_GPIO_P0_CTRL,       0xef,   0xff,   0x65},
 492
 493                 {       -1,                     -1,     -1,     -1},
 494         };
 495
 496         static const struct {
 497                 unsigned char r[4];
 498                 int len;
 499         } regs[] = {
 500                 {{ 0x06, 0x02, 0x00, 0x31 }, 4},
 501                 {{ 0x01, 0x02 }, 2},
 502                 {{ 0x01, 0x02, 0x00, 0xc6 }, 4},
 503                 {{ 0x01, 0x00 }, 2},
 504                 {{ 0x01, 0x00, 0xff, 0xaf }, 4},
 505                 {{ 0x01, 0x00, 0x03, 0xa0 }, 4},
 506                 {{ 0x01, 0x00 }, 2},
 507                 {{ 0x01, 0x00, 0x73, 0xaf }, 4},
 508                 {{ 0x04, 0x00 }, 2},
 509                 {{ 0x00, 0x04 }, 2},
 510                 {{ 0x00, 0x04, 0x00, 0x0a }, 4},
 511                 {{ 0x04, 0x14 }, 2},
 512                 {{ 0x04, 0x14, 0x00, 0x00 }, 4},
 513         };
 514
 515         em28xx_gpio_set(dev, hauppauge_hvr930c_init);
 516         em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40);
 517         usleep_range(10000, 11000);
 518         em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x44);
 519         usleep_range(10000, 11000);
 520
 521         dev->i2c_client[dev->def_i2c_bus].addr = 0x82 >> 1;
 522
 523         for (i = 0; i < ARRAY_SIZE(regs); i++)
 524                 i2c_master_send(&dev->i2c_client[dev->def_i2c_bus],
 525                                 regs[i].r, regs[i].len);
 526         em28xx_gpio_set(dev, hauppauge_hvr930c_end);
 527
 528         msleep(100);
 529
 530         em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x44);
 531         msleep(30);
 532
 533         em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x45);
 534         usleep_range(10000, 11000);
 535 }
 536
 537 static void terratec_h5_init(struct em28xx *dev)
 538 {
 539         int i;
 540         static const struct em28xx_reg_seq terratec_h5_init[] = {
 541                 {EM2820_R08_GPIO_CTRL,          0xff,   0xff,   10},
 542                 {EM2874_R80_GPIO_P0_CTRL,       0xf6,   0xff,   100},
 543                 {EM2874_R80_GPIO_P0_CTRL,       0xf2,   0xff,   50},
 544                 {EM2874_R80_GPIO_P0_CTRL,       0xf6,   0xff,   100},
 545                 {       -1,                     -1,     -1,     -1},
 546         };
 547         static const struct em28xx_reg_seq terratec_h5_end[] = {
 548                 {EM2874_R80_GPIO_P0_CTRL,       0xe6,   0xff,   100},
 549                 {EM2874_R80_GPIO_P0_CTRL,       0xa6,   0xff,   50},
 550                 {EM2874_R80_GPIO_P0_CTRL,       0xe6,   0xff,   100},
 551                 {       -1,                     -1,     -1,     -1},
 552         };
 553         static const struct {
 554                 unsigned char r[4];
 555                 int len;
 556         } regs[] = {
 557                 {{ 0x06, 0x02, 0x00, 0x31 }, 4},
 558                 {{ 0x01, 0x02 }, 2},
 559                 {{ 0x01, 0x02, 0x00, 0xc6 }, 4},
 560                 {{ 0x01, 0x00 }, 2},
 561                 {{ 0x01, 0x00, 0xff, 0xaf }, 4},
 562                 {{ 0x01, 0x00, 0x03, 0xa0 }, 4},
 563                 {{ 0x01, 0x00 }, 2},
 564                 {{ 0x01, 0x00, 0x73, 0xaf }, 4},
 565                 {{ 0x04, 0x00 }, 2},
 566                 {{ 0x00, 0x04 }, 2},
 567                 {{ 0x00, 0x04, 0x00, 0x0a }, 4},
 568                 {{ 0x04, 0x14 }, 2},
 569                 {{ 0x04, 0x14, 0x00, 0x00 }, 4},
 570         };
 571
 572         em28xx_gpio_set(dev, terratec_h5_init);
 573         em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40);
 574         usleep_range(10000, 11000);
 575         em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x45);
 576         usleep_range(10000, 11000);
 577
 578         dev->i2c_client[dev->def_i2c_bus].addr = 0x82 >> 1;
 579
 580         for (i = 0; i < ARRAY_SIZE(regs); i++)
 581                 i2c_master_send(&dev->i2c_client[dev->def_i2c_bus],
 582                                 regs[i].r, regs[i].len);
 583         em28xx_gpio_set(dev, terratec_h5_end);
 584 };
 585
 586 static void terratec_htc_stick_init(struct em28xx *dev)
 587 {
 588         int i;
 589
 590         /*
 591          * GPIO configuration:
 592          * 0xff: unknown (does not affect DVB-T).
 593          * 0xf6: DRX-K (demodulator).
 594          * 0xe6: unknown (does not affect DVB-T).
 595          * 0xb6: unknown (does not affect DVB-T).
 596          */
 597         static const struct em28xx_reg_seq terratec_htc_stick_init[] = {
 598                 {EM2820_R08_GPIO_CTRL,          0xff,   0xff,   10},
 599                 {EM2874_R80_GPIO_P0_CTRL,       0xf6,   0xff,   100},
 600                 {EM2874_R80_GPIO_P0_CTRL,       0xe6,   0xff,   50},
 601                 {EM2874_R80_GPIO_P0_CTRL,       0xf6,   0xff,   100},
 602                 {       -1,                     -1,     -1,     -1},
 603         };
 604         static const struct em28xx_reg_seq terratec_htc_stick_end[] = {
 605                 {EM2874_R80_GPIO_P0_CTRL,       0xb6,   0xff,   100},
 606                 {EM2874_R80_GPIO_P0_CTRL,       0xf6,   0xff,   50},
 607                 {       -1,                     -1,     -1,     -1},
 608         };
 609
 610         /*
 611          * Init the analog decoder (not yet supported), but
 612          * it's probably still a good idea.
 613          */
 614         static const struct {
 615                 unsigned char r[4];
 616                 int len;
 617         } regs[] = {
 618                 {{ 0x06, 0x02, 0x00, 0x31 }, 4},
 619                 {{ 0x01, 0x02 }, 2},
 620                 {{ 0x01, 0x02, 0x00, 0xc6 }, 4},
 621                 {{ 0x01, 0x00 }, 2},
 622                 {{ 0x01, 0x00, 0xff, 0xaf }, 4},
 623         };
 624
 625         em28xx_gpio_set(dev, terratec_htc_stick_init);
 626
 627         em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40);
 628         usleep_range(10000, 11000);
 629         em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x44);
 630         usleep_range(10000, 11000);
 631
 632         dev->i2c_client[dev->def_i2c_bus].addr = 0x82 >> 1;
 633
 634         for (i = 0; i < ARRAY_SIZE(regs); i++)
 635                 i2c_master_send(&dev->i2c_client[dev->def_i2c_bus],
 636                                 regs[i].r, regs[i].len);
 637
 638         em28xx_gpio_set(dev, terratec_htc_stick_end);
 639 };
 640
 641 static void terratec_htc_usb_xs_init(struct em28xx *dev)
 642 {
 643         int i;
 644
 645         static const struct em28xx_reg_seq terratec_htc_usb_xs_init[] = {
 646                 {EM2820_R08_GPIO_CTRL,          0xff,   0xff,   10},
 647                 {EM2874_R80_GPIO_P0_CTRL,       0xb2,   0xff,   100},
 648                 {EM2874_R80_GPIO_P0_CTRL,       0xb2,   0xff,   50},
 649                 {EM2874_R80_GPIO_P0_CTRL,       0xb6,   0xff,   100},
 650                 {       -1,                     -1,     -1,     -1},
 651         };
 652         static const struct em28xx_reg_seq terratec_htc_usb_xs_end[] = {
 653                 {EM2874_R80_GPIO_P0_CTRL,       0xa6,   0xff,   100},
 654                 {EM2874_R80_GPIO_P0_CTRL,       0xa6,   0xff,   50},
 655                 {EM2874_R80_GPIO_P0_CTRL,       0xe6,   0xff,   100},
 656                 {       -1,                     -1,     -1,     -1},
 657         };
 658
 659         /*
 660          * Init the analog decoder (not yet supported), but
 661          * it's probably still a good idea.
 662          */
 663         static const struct {
 664                 unsigned char r[4];
 665                 int len;
 666         } regs[] = {
 667                 {{ 0x06, 0x02, 0x00, 0x31 }, 4},
 668                 {{ 0x01, 0x02 }, 2},
 669                 {{ 0x01, 0x02, 0x00, 0xc6 }, 4},
 670                 {{ 0x01, 0x00 }, 2},
 671                 {{ 0x01, 0x00, 0xff, 0xaf }, 4},
 672                 {{ 0x01, 0x00, 0x03, 0xa0 }, 4},
 673                 {{ 0x01, 0x00 }, 2},
 674                 {{ 0x01, 0x00, 0x73, 0xaf }, 4},
 675                 {{ 0x04, 0x00 }, 2},
 676                 {{ 0x00, 0x04 }, 2},
 677                 {{ 0x00, 0x04, 0x00, 0x0a }, 4},
 678                 {{ 0x04, 0x14 }, 2},
 679                 {{ 0x04, 0x14, 0x00, 0x00 }, 4},
 680         };
 681
 682         em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40);
 683
 684         em28xx_gpio_set(dev, terratec_htc_usb_xs_init);
 685
 686         em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40);
 687         usleep_range(10000, 11000);
 688         em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x44);
 689         usleep_range(10000, 11000);
 690
 691         dev->i2c_client[dev->def_i2c_bus].addr = 0x82 >> 1;
 692
 693         for (i = 0; i < ARRAY_SIZE(regs); i++)
 694                 i2c_master_send(&dev->i2c_client[dev->def_i2c_bus],
 695                                 regs[i].r, regs[i].len);
 696
 697         em28xx_gpio_set(dev, terratec_htc_usb_xs_end);
 698 };
 699
 700 static void pctv_520e_init(struct em28xx *dev)
 701 {
 702         /*
 703          * Init AVF4910B analog decoder. Looks like I2C traffic to
 704          * digital demodulator and tuner are routed via AVF4910B.
 705          */
 706         int i;
 707         static const struct {
 708                 unsigned char r[4];
 709                 int len;
 710         } regs[] = {
 711                 {{ 0x06, 0x02, 0x00, 0x31 }, 4},
 712                 {{ 0x01, 0x02 }, 2},
 713                 {{ 0x01, 0x02, 0x00, 0xc6 }, 4},
 714                 {{ 0x01, 0x00 }, 2},
 715                 {{ 0x01, 0x00, 0xff, 0xaf }, 4},
 716                 {{ 0x01, 0x00, 0x03, 0xa0 }, 4},
 717                 {{ 0x01, 0x00 }, 2},
 718                 {{ 0x01, 0x00, 0x73, 0xaf }, 4},
 719         };
 720
 721         dev->i2c_client[dev->def_i2c_bus].addr = 0x82 >> 1; /* 0x41 */
 722
 723         for (i = 0; i < ARRAY_SIZE(regs); i++)
 724                 i2c_master_send(&dev->i2c_client[dev->def_i2c_bus],
 725                                 regs[i].r, regs[i].len);
 726 };
 727
 728 static int em28xx_pctv_290e_set_lna(struct dvb_frontend *fe)
 729 {
 730         struct dtv_frontend_properties *c = &fe->dtv_property_cache;
 731         struct em28xx_i2c_bus *i2c_bus = fe->dvb->priv;
 732         struct em28xx *dev = i2c_bus->dev;
 733 #ifdef CONFIG_GPIOLIB
 734         struct em28xx_dvb *dvb = dev->dvb;
 735         int ret;
 736         unsigned long flags;
 737
 738         if (c->lna == 1)
 739                 flags = GPIOF_OUT_INIT_HIGH; /* enable LNA */
 740         else
 741                 flags = GPIOF_OUT_INIT_LOW; /* disable LNA */
 742
 743         ret = gpio_request_one(dvb->lna_gpio, flags, NULL);
 744         if (ret)
 745                 dev_err(&dev->intf->dev, "gpio request failed %d\n", ret);
 746         else
 747                 gpio_free(dvb->lna_gpio);
 748
 749         return ret;
 750 #else
 751         dev_warn(&dev->intf->dev, "%s: LNA control is disabled (lna=%u)\n",
 752                  KBUILD_MODNAME, c->lna);
 753         return 0;
 754 #endif
 755 }
 756
 757 static int em28xx_pctv_292e_set_lna(struct dvb_frontend *fe)
 758 {
 759         struct dtv_frontend_properties *c = &fe->dtv_property_cache;
 760         struct em28xx_i2c_bus *i2c_bus = fe->dvb->priv;
 761         struct em28xx *dev = i2c_bus->dev;
 762         u8 lna;
 763
 764         if (c->lna == 1)
 765                 lna = 0x01;
 766         else
 767                 lna = 0x00;
 768
 769         return em28xx_write_reg_bits(dev, EM2874_R80_GPIO_P0_CTRL, lna, 0x01);
 770 }
 771
 772 static int em28xx_mt352_terratec_xs_init(struct dvb_frontend *fe)
 773 {
 774         /* Values extracted from a USB trace of the Terratec Windows driver */
 775         static u8 clock_config[]   = { CLOCK_CTL,  0x38, 0x2c };
 776         static u8 reset[]          = { RESET,      0x80 };
 777         static u8 adc_ctl_1_cfg[]  = { ADC_CTL_1,  0x40 };
 778         static u8 agc_cfg[]        = { AGC_TARGET, 0x28, 0xa0 };
 779         static u8 input_freq_cfg[] = { INPUT_FREQ_1, 0x31, 0xb8 };
 780         static u8 rs_err_cfg[]     = { RS_ERR_PER_1, 0x00, 0x4d };
 781         static u8 capt_range_cfg[] = { CAPT_RANGE, 0x32 };
 782         static u8 trl_nom_cfg[]    = { TRL_NOMINAL_RATE_1, 0x64, 0x00 };
 783         static u8 tps_given_cfg[]  = { TPS_GIVEN_1, 0x40, 0x80, 0x50 };
 784         static u8 tuner_go[]       = { TUNER_GO, 0x01};
 785
 786         mt352_write(fe, clock_config,   sizeof(clock_config));
 787         usleep_range(200, 250);
 788         mt352_write(fe, reset,          sizeof(reset));
 789         mt352_write(fe, adc_ctl_1_cfg,  sizeof(adc_ctl_1_cfg));
 790         mt352_write(fe, agc_cfg,        sizeof(agc_cfg));
 791         mt352_write(fe, input_freq_cfg, sizeof(input_freq_cfg));
 792         mt352_write(fe, rs_err_cfg,     sizeof(rs_err_cfg));
 793         mt352_write(fe, capt_range_cfg, sizeof(capt_range_cfg));
 794         mt352_write(fe, trl_nom_cfg,    sizeof(trl_nom_cfg));
 795         mt352_write(fe, tps_given_cfg,  sizeof(tps_given_cfg));
 796         mt352_write(fe, tuner_go,       sizeof(tuner_go));
 797         return 0;
 798 }
 799
 800 static void px_bcud_init(struct em28xx *dev)
 801 {
 802         int i;
 803         static const struct {
 804                 unsigned char r[4];
 805                 int len;
 806         } regs1[] = {
 807                 {{ 0x0e, 0x77 }, 2},
 808                 {{ 0x0f, 0x77 }, 2},
 809                 {{ 0x03, 0x90 }, 2},
 810         }, regs2[] = {
 811                 {{ 0x07, 0x01 }, 2},
 812                 {{ 0x08, 0x10 }, 2},
 813                 {{ 0x13, 0x00 }, 2},
 814                 {{ 0x17, 0x00 }, 2},
 815                 {{ 0x03, 0x01 }, 2},
 816                 {{ 0x10, 0xb1 }, 2},
 817                 {{ 0x11, 0x40 }, 2},
 818                 {{ 0x85, 0x7a }, 2},
 819                 {{ 0x87, 0x04 }, 2},
 820         };
 821         static const struct em28xx_reg_seq gpio[] = {
 822                 {EM28XX_R06_I2C_CLK,            0x40,   0xff,   300},
 823                 {EM2874_R80_GPIO_P0_CTRL,       0xfd,   0xff,   60},
 824                 {EM28XX_R15_RGAIN,              0x20,   0xff,   0},
 825                 {EM28XX_R16_GGAIN,              0x20,   0xff,   0},
 826                 {EM28XX_R17_BGAIN,              0x20,   0xff,   0},
 827                 {EM28XX_R18_ROFFSET,            0x00,   0xff,   0},
 828                 {EM28XX_R19_GOFFSET,            0x00,   0xff,   0},
 829                 {EM28XX_R1A_BOFFSET,            0x00,   0xff,   0},
 830                 {EM28XX_R23_UOFFSET,            0x00,   0xff,   0},
 831                 {EM28XX_R24_VOFFSET,            0x00,   0xff,   0},
 832                 {EM28XX_R26_COMPR,              0x00,   0xff,   0},
 833                 {0x13,                          0x08,   0xff,   0},
 834                 {EM28XX_R12_VINENABLE,          0x27,   0xff,   0},
 835                 {EM28XX_R0C_USBSUSP,            0x10,   0xff,   0},
 836                 {EM28XX_R27_OUTFMT,             0x00,   0xff,   0},
 837                 {EM28XX_R10_VINMODE,            0x00,   0xff,   0},
 838                 {EM28XX_R11_VINCTRL,            0x11,   0xff,   0},
 839                 {EM2874_R50_IR_CONFIG,          0x01,   0xff,   0},
 840                 {EM2874_R5F_TS_ENABLE,          0x80,   0xff,   0},
 841                 {EM28XX_R06_I2C_CLK,            0x46,   0xff,   0},
 842         };
 843         em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x46);
 844         /* sleeping ISDB-T */
 845         dev->dvb->i2c_client_demod->addr = 0x14;
 846         for (i = 0; i < ARRAY_SIZE(regs1); i++)
 847                 i2c_master_send(dev->dvb->i2c_client_demod,
 848                                 regs1[i].r, regs1[i].len);
 849         /* sleeping ISDB-S */
 850         dev->dvb->i2c_client_demod->addr = 0x15;
 851         for (i = 0; i < ARRAY_SIZE(regs2); i++)
 852                 i2c_master_send(dev->dvb->i2c_client_demod, regs2[i].r,
 853                                 regs2[i].len);
 854         for (i = 0; i < ARRAY_SIZE(gpio); i++) {
 855                 em28xx_write_reg_bits(dev, gpio[i].reg, gpio[i].val,
 856                                       gpio[i].mask);
 857                 if (gpio[i].sleep > 0)
 858                         msleep(gpio[i].sleep);
 859         }
 860 };
 861
 862 static struct mt352_config terratec_xs_mt352_cfg = {
 863         .demod_address = (0x1e >> 1),
 864         .no_tuner = 1,
 865         .if2 = 45600,
 866         .demod_init = em28xx_mt352_terratec_xs_init,
 867 };
 868
 869 static struct tda10023_config em28xx_tda10023_config = {
 870         .demod_address = 0x0c,
 871         .invert = 1,
 872 };
 873
 874 static struct cxd2820r_config em28xx_cxd2820r_config = {
 875         .i2c_address = (0xd8 >> 1),
 876         .ts_mode = CXD2820R_TS_SERIAL,
 877 };
 878
 879 static struct tda18271_config em28xx_cxd2820r_tda18271_config = {
 880         .output_opt = TDA18271_OUTPUT_LT_OFF,
 881         .gate = TDA18271_GATE_DIGITAL,
 882 };
 883
 884 static struct zl10353_config em28xx_zl10353_no_i2c_gate_dev = {
 885         .demod_address = (0x1e >> 1),
 886         .disable_i2c_gate_ctrl = 1,
 887         .no_tuner = 1,
 888         .parallel_ts = 1,
 889 };
 890
 891 static struct mt2060_config em28xx_mt2060_config = {
 892         .i2c_address = 0x60,
 893 };
 894
 895 static struct qt1010_config em28xx_qt1010_config = {
 896         .i2c_address = 0x62
 897 };
 898
 899 static const struct mb86a20s_config c3tech_duo_mb86a20s_config = {
 900         .demod_address = 0x10,
 901         .is_serial = true,
 902 };
 903
 904 static struct tda18271_std_map mb86a20s_tda18271_config = {
 905         .dvbt_6   = { .if_freq = 4000, .agc_mode = 3, .std = 4,
 906                       .if_lvl = 1, .rfagc_top = 0x37, },
 907 };
 908
 909 static struct tda18271_config c3tech_duo_tda18271_config = {
 910         .std_map = &mb86a20s_tda18271_config,
 911         .gate    = TDA18271_GATE_DIGITAL,
 912         .small_i2c = TDA18271_03_BYTE_CHUNK_INIT,
 913 };
 914
 915 static struct tda18271_std_map drx_j_std_map = {
 916         .atsc_6   = { .if_freq = 5000, .agc_mode = 3, .std = 0, .if_lvl = 1,
 917                       .rfagc_top = 0x37, },
 918         .qam_6    = { .if_freq = 5380, .agc_mode = 3, .std = 3, .if_lvl = 1,
 919                       .rfagc_top = 0x37, },
 920 };
 921
 922 static struct tda18271_config pinnacle_80e_dvb_config = {
 923         .std_map = &drx_j_std_map,
 924         .gate    = TDA18271_GATE_DIGITAL,
 925         .role    = TDA18271_MASTER,
 926 };
 927
 928 static struct lgdt3306a_config hauppauge_01595_lgdt3306a_config = {
 929         .qam_if_khz         = 4000,
 930         .vsb_if_khz         = 3250,
 931         .spectral_inversion = 0,
 932         .deny_i2c_rptr      = 0,
 933         .mpeg_mode          = LGDT3306A_MPEG_SERIAL,
 934         .tpclk_edge         = LGDT3306A_TPCLK_RISING_EDGE,
 935         .tpvalid_polarity   = LGDT3306A_TP_VALID_HIGH,
 936         .xtalMHz            = 25,
 937 };
 938
 939 /* ------------------------------------------------------------------ */
 940
 941 static noinline_for_stack int em28xx_attach_xc3028(u8 addr, struct em28xx *dev)
 942 {
 943         struct dvb_frontend *fe;
 944         struct xc2028_config cfg;
 945         struct xc2028_ctrl ctl;
 946
 947         memset(&cfg, 0, sizeof(cfg));
 948         cfg.i2c_adap  = &dev->i2c_adap[dev->def_i2c_bus];
 949         cfg.i2c_addr  = addr;
 950
 951         memset(&ctl, 0, sizeof(ctl));
 952         em28xx_setup_xc3028(dev, &ctl);
 953         cfg.ctrl  = &ctl;
 954
 955         if (!dev->dvb->fe[0]) {
 956                 dev_err(&dev->intf->dev,
 957                         "dvb frontend not attached. Can't attach xc3028\n");
 958                 return -EINVAL;
 959         }
 960
 961         fe = dvb_attach(xc2028_attach, dev->dvb->fe[0], &cfg);
 962         if (!fe) {
 963                 dev_err(&dev->intf->dev, "xc3028 attach failed\n");
 964                 dvb_frontend_detach(dev->dvb->fe[0]);
 965                 dev->dvb->fe[0] = NULL;
 966                 return -EINVAL;
 967         }
 968
 969         dev_info(&dev->intf->dev, "xc3028 attached\n");
 970
 971         return 0;
 972 }
 973
 974 /* ------------------------------------------------------------------ */
 975
 976 static int em28xx_register_dvb(struct em28xx_dvb *dvb, struct module *module,
 977                                struct em28xx *dev, struct device *device)
 978 {
 979         int result;
 980         bool create_rf_connector = false;
 981
 982         mutex_init(&dvb->lock);
 983
 984         /* register adapter */
 985         result = dvb_register_adapter(&dvb->adapter,
 986                                       dev_name(&dev->intf->dev), module,
 987                                       device, adapter_nr);
 988         if (result < 0) {
 989                 dev_warn(&dev->intf->dev,
 990                          "dvb_register_adapter failed (errno = %d)\n",
 991                          result);
 992                 goto fail_adapter;
 993         }
 994 #ifdef CONFIG_MEDIA_CONTROLLER_DVB
 995         dvb->adapter.mdev = dev->media_dev;
 996 #endif
 997
 998         /* Ensure all frontends negotiate bus access */
 999         dvb->fe[0]->ops.ts_bus_ctrl = em28xx_dvb_bus_ctrl;
1000         if (dvb->fe[1])
1001                 dvb->fe[1]->ops.ts_bus_ctrl = em28xx_dvb_bus_ctrl;
1002
1003         dvb->adapter.priv = &dev->i2c_bus[dev->def_i2c_bus];
1004
1005         /* register frontend */
1006         result = dvb_register_frontend(&dvb->adapter, dvb->fe[0]);
1007         if (result < 0) {
1008                 dev_warn(&dev->intf->dev,
1009                          "dvb_register_frontend failed (errno = %d)\n",
1010                          result);
1011                 goto fail_frontend0;
1012         }
1013
1014         /* register 2nd frontend */
1015         if (dvb->fe[1]) {
1016                 result = dvb_register_frontend(&dvb->adapter, dvb->fe[1]);
1017                 if (result < 0) {
1018                         dev_warn(&dev->intf->dev,
1019                                  "2nd dvb_register_frontend failed (errno = %d)\n",
1020                                  result);
1021                         goto fail_frontend1;
1022                 }
1023         }
1024
1025         /* register demux stuff */
1026         dvb->demux.dmx.capabilities =
1027                 DMX_TS_FILTERING | DMX_SECTION_FILTERING |
1028                 DMX_MEMORY_BASED_FILTERING;
1029         dvb->demux.priv       = dvb;
1030         dvb->demux.filternum  = 256;
1031         dvb->demux.feednum    = 256;
1032         dvb->demux.start_feed = em28xx_start_feed;
1033         dvb->demux.stop_feed  = em28xx_stop_feed;
1034
1035         result = dvb_dmx_init(&dvb->demux);
1036         if (result < 0) {
1037                 dev_warn(&dev->intf->dev,
1038                          "dvb_dmx_init failed (errno = %d)\n",
1039                          result);
1040                 goto fail_dmx;
1041         }
1042
1043         dvb->dmxdev.filternum    = 256;
1044         dvb->dmxdev.demux        = &dvb->demux.dmx;
1045         dvb->dmxdev.capabilities = 0;
1046         result = dvb_dmxdev_init(&dvb->dmxdev, &dvb->adapter);
1047         if (result < 0) {
1048                 dev_warn(&dev->intf->dev,
1049                          "dvb_dmxdev_init failed (errno = %d)\n",
1050                          result);
1051                 goto fail_dmxdev;
1052         }
1053
1054         dvb->fe_hw.source = DMX_FRONTEND_0;
1055         result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_hw);
1056         if (result < 0) {
1057                 dev_warn(&dev->intf->dev,
1058                          "add_frontend failed (DMX_FRONTEND_0, errno = %d)\n",
1059                          result);
1060                 goto fail_fe_hw;
1061         }
1062
1063         dvb->fe_mem.source = DMX_MEMORY_FE;
1064         result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_mem);
1065         if (result < 0) {
1066                 dev_warn(&dev->intf->dev,
1067                          "add_frontend failed (DMX_MEMORY_FE, errno = %d)\n",
1068                          result);
1069                 goto fail_fe_mem;
1070         }
1071
1072         result = dvb->demux.dmx.connect_frontend(&dvb->demux.dmx, &dvb->fe_hw);
1073         if (result < 0) {
1074                 dev_warn(&dev->intf->dev,
1075                          "connect_frontend failed (errno = %d)\n",
1076                          result);
1077                 goto fail_fe_conn;
1078         }
1079
1080         /* register network adapter */
1081         dvb_net_init(&dvb->adapter, &dvb->net, &dvb->demux.dmx);
1082
1083         /* If the analog part won't create RF connectors, DVB will do it */
1084         if (!dev->has_video || dev->tuner_type == TUNER_ABSENT)
1085                 create_rf_connector = true;
1086
1087         result = dvb_create_media_graph(&dvb->adapter, create_rf_connector);
1088         if (result < 0)
1089                 goto fail_create_graph;
1090
1091         return 0;
1092
1093 fail_create_graph:
1094         dvb_net_release(&dvb->net);
1095 fail_fe_conn:
1096         dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem);
1097 fail_fe_mem:
1098         dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw);
1099 fail_fe_hw:
1100         dvb_dmxdev_release(&dvb->dmxdev);
1101 fail_dmxdev:
1102         dvb_dmx_release(&dvb->demux);
1103 fail_dmx:
1104         if (dvb->fe[1])
1105                 dvb_unregister_frontend(dvb->fe[1]);
1106         dvb_unregister_frontend(dvb->fe[0]);
1107 fail_frontend1:
1108         if (dvb->fe[1])
1109                 dvb_frontend_detach(dvb->fe[1]);
1110 fail_frontend0:
1111         dvb_frontend_detach(dvb->fe[0]);
1112         dvb_unregister_adapter(&dvb->adapter);
1113 fail_adapter:
1114         return result;
1115 }
1116
1117 static void em28xx_unregister_dvb(struct em28xx_dvb *dvb)
1118 {
1119         dvb_net_release(&dvb->net);
1120         dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem);
1121         dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw);
1122         dvb_dmxdev_release(&dvb->dmxdev);
1123         dvb_dmx_release(&dvb->demux);
1124         if (dvb->fe[1])
1125                 dvb_unregister_frontend(dvb->fe[1]);
1126         dvb_unregister_frontend(dvb->fe[0]);
1127         if (dvb->fe[1] && !dvb->dont_attach_fe1)
1128                 dvb_frontend_detach(dvb->fe[1]);
1129         dvb_frontend_detach(dvb->fe[0]);
1130         dvb_unregister_adapter(&dvb->adapter);
1131 }
1132
1133 static int em28174_dvb_init_pctv_460e(struct em28xx *dev)
1134 {
1135         struct em28xx_dvb *dvb = dev->dvb;
1136         struct tda10071_platform_data tda10071_pdata = {};
1137         struct a8293_platform_data a8293_pdata = {};
1138
1139         /* attach demod + tuner combo */
1140         tda10071_pdata.clk = 40444000; /* 40.444 MHz */
1141         tda10071_pdata.i2c_wr_max = 64;
1142         tda10071_pdata.ts_mode = TDA10071_TS_SERIAL;
1143         tda10071_pdata.pll_multiplier = 20;
1144         tda10071_pdata.tuner_i2c_addr = 0x14;
1145
1146         dvb->i2c_client_demod = dvb_module_probe("tda10071", "tda10071_cx24118",
1147                                                  &dev->i2c_adap[dev->def_i2c_bus],
1148                                                  0x55, &tda10071_pdata);
1149         if (!dvb->i2c_client_demod)
1150                 return -ENODEV;
1151
1152         dvb->fe[0] = tda10071_pdata.get_dvb_frontend(dvb->i2c_client_demod);
1153
1154         /* attach SEC */
1155         a8293_pdata.dvb_frontend = dvb->fe[0];
1156
1157         dvb->i2c_client_sec = dvb_module_probe("a8293", NULL,
1158                                                &dev->i2c_adap[dev->def_i2c_bus],
1159                                                0x08, &a8293_pdata);
1160         if (!dvb->i2c_client_sec) {
1161                 dvb_module_release(dvb->i2c_client_demod);
1162                 return -ENODEV;
1163         }
1164
1165         return 0;
1166 }
1167
1168 static int em28178_dvb_init_pctv_461e(struct em28xx *dev)
1169 {
1170         struct em28xx_dvb *dvb = dev->dvb;
1171         struct i2c_adapter *i2c_adapter;
1172         struct m88ds3103_platform_data m88ds3103_pdata = {};
1173         struct ts2020_config ts2020_config = {};
1174         struct a8293_platform_data a8293_pdata = {};
1175
1176         /* attach demod */
1177         m88ds3103_pdata.clk = 27000000;
1178         m88ds3103_pdata.i2c_wr_max = 33;
1179         m88ds3103_pdata.ts_mode = M88DS3103_TS_PARALLEL;
1180         m88ds3103_pdata.ts_clk = 16000;
1181         m88ds3103_pdata.ts_clk_pol = 1;
1182         m88ds3103_pdata.agc = 0x99;
1183
1184         dvb->i2c_client_demod = dvb_module_probe("m88ds3103", NULL,
1185                                                  &dev->i2c_adap[dev->def_i2c_bus],
1186                                                  0x68, &m88ds3103_pdata);
1187         if (!dvb->i2c_client_demod)
1188                 return -ENODEV;
1189
1190         dvb->fe[0] = m88ds3103_pdata.get_dvb_frontend(dvb->i2c_client_demod);
1191         i2c_adapter = m88ds3103_pdata.get_i2c_adapter(dvb->i2c_client_demod);
1192
1193         /* attach tuner */
1194         ts2020_config.fe = dvb->fe[0];
1195
1196         dvb->i2c_client_tuner = dvb_module_probe("ts2020", "ts2022",
1197                                                  i2c_adapter,
1198                                                  0x60, &ts2020_config);
1199         if (!dvb->i2c_client_tuner) {
1200                 dvb_module_release(dvb->i2c_client_demod);
1201                 return -ENODEV;
1202         }
1203
1204         /* delegate signal strength measurement to tuner */
1205         dvb->fe[0]->ops.read_signal_strength =
1206                         dvb->fe[0]->ops.tuner_ops.get_rf_strength;
1207
1208         /* attach SEC */
1209         a8293_pdata.dvb_frontend = dvb->fe[0];
1210         dvb->i2c_client_sec = dvb_module_probe("a8293", NULL,
1211                                                &dev->i2c_adap[dev->def_i2c_bus],
1212                                                0x08, &a8293_pdata);
1213         if (!dvb->i2c_client_sec) {
1214                 dvb_module_release(dvb->i2c_client_tuner);
1215                 dvb_module_release(dvb->i2c_client_demod);
1216                 return -ENODEV;
1217         }
1218
1219         return 0;
1220 }
1221
1222 static int em28178_dvb_init_pctv_461e_v2(struct em28xx *dev)
1223 {
1224         struct em28xx_dvb *dvb = dev->dvb;
1225         struct i2c_adapter *i2c_adapter;
1226         struct m88ds3103_platform_data m88ds3103_pdata = {};
1227         struct ts2020_config ts2020_config = {};
1228         struct a8293_platform_data a8293_pdata = {};
1229
1230         /* attach demod */
1231         m88ds3103_pdata.clk = 27000000;
1232         m88ds3103_pdata.i2c_wr_max = 33;
1233         m88ds3103_pdata.ts_mode = M88DS3103_TS_PARALLEL;
1234         m88ds3103_pdata.ts_clk = 16000;
1235         m88ds3103_pdata.ts_clk_pol = 0;
1236         m88ds3103_pdata.agc = 0x99;
1237         m88ds3103_pdata.agc_inv = 0;
1238         m88ds3103_pdata.spec_inv = 0;
1239         dvb->i2c_client_demod = dvb_module_probe("m88ds3103", "m88ds3103b",
1240                                                  &dev->i2c_adap[dev->def_i2c_bus],
1241                                                  0x6a, &m88ds3103_pdata);
1242
1243         if (!dvb->i2c_client_demod)
1244                 return -ENODEV;
1245
1246         dvb->fe[0] = m88ds3103_pdata.get_dvb_frontend(dvb->i2c_client_demod);
1247         i2c_adapter = m88ds3103_pdata.get_i2c_adapter(dvb->i2c_client_demod);
1248
1249         /* attach tuner */
1250         ts2020_config.fe = dvb->fe[0];
1251         dvb->i2c_client_tuner = dvb_module_probe("ts2020", "ts2022",
1252                                                  i2c_adapter,
1253                                                  0x60, &ts2020_config);
1254         if (!dvb->i2c_client_tuner) {
1255                 dvb_module_release(dvb->i2c_client_demod);
1256                 return -ENODEV;
1257         }
1258
1259         /* delegate signal strength measurement to tuner */
1260         dvb->fe[0]->ops.read_signal_strength =
1261                         dvb->fe[0]->ops.tuner_ops.get_rf_strength;
1262
1263         /* attach SEC */
1264         a8293_pdata.dvb_frontend = dvb->fe[0];
1265         dvb->i2c_client_sec = dvb_module_probe("a8293", NULL,
1266                                                &dev->i2c_adap[dev->def_i2c_bus],
1267                                                0x08, &a8293_pdata);
1268         if (!dvb->i2c_client_sec) {
1269                 dvb_module_release(dvb->i2c_client_tuner);
1270                 dvb_module_release(dvb->i2c_client_demod);
1271                 return -ENODEV;
1272         }
1273
1274         return 0;
1275 }
1276
1277 static int em28178_dvb_init_pctv_292e(struct em28xx *dev)
1278 {
1279         struct em28xx_dvb *dvb = dev->dvb;
1280         struct i2c_adapter *adapter;
1281         struct si2168_config si2168_config = {};
1282         struct si2157_config si2157_config = {};
1283
1284         /* attach demod */
1285         si2168_config.i2c_adapter = &adapter;
1286         si2168_config.fe = &dvb->fe[0];
1287         si2168_config.ts_mode = SI2168_TS_PARALLEL;
1288         si2168_config.spectral_inversion = true;
1289
1290         dvb->i2c_client_demod = dvb_module_probe("si2168", NULL,
1291                                                  &dev->i2c_adap[dev->def_i2c_bus],
1292                                                  0x64, &si2168_config);
1293         if (!dvb->i2c_client_demod)
1294                 return -ENODEV;
1295
1296         /* attach tuner */
1297         si2157_config.fe = dvb->fe[0];
1298         si2157_config.if_port = 1;
1299 #ifdef CONFIG_MEDIA_CONTROLLER_DVB
1300         si2157_config.mdev = dev->media_dev;
1301 #endif
1302         dvb->i2c_client_tuner = dvb_module_probe("si2157", NULL,
1303                                                  adapter,
1304                                                  0x60, &si2157_config);
1305         if (!dvb->i2c_client_tuner) {
1306                 dvb_module_release(dvb->i2c_client_demod);
1307                 return -ENODEV;
1308         }
1309         dvb->fe[0]->ops.set_lna = em28xx_pctv_292e_set_lna;
1310
1311         return 0;
1312 }
1313
1314 static int em28178_dvb_init_terratec_t2_stick_hd(struct em28xx *dev)
1315 {
1316         struct em28xx_dvb *dvb = dev->dvb;
1317         struct i2c_adapter *adapter;
1318         struct si2168_config si2168_config = {};
1319         struct si2157_config si2157_config = {};
1320
1321         /* attach demod */
1322         si2168_config.i2c_adapter = &adapter;
1323         si2168_config.fe = &dvb->fe[0];
1324         si2168_config.ts_mode = SI2168_TS_PARALLEL;
1325
1326         dvb->i2c_client_demod = dvb_module_probe("si2168", NULL,
1327                                                  &dev->i2c_adap[dev->def_i2c_bus],
1328                                                  0x64, &si2168_config);
1329         if (!dvb->i2c_client_demod)
1330                 return -ENODEV;
1331
1332         /* attach tuner */
1333         memset(&si2157_config, 0, sizeof(si2157_config));
1334         si2157_config.fe = dvb->fe[0];
1335         si2157_config.if_port = 0;
1336 #ifdef CONFIG_MEDIA_CONTROLLER_DVB
1337         si2157_config.mdev = dev->media_dev;
1338 #endif
1339         dvb->i2c_client_tuner = dvb_module_probe("si2157", "si2146",
1340                                                  adapter,
1341                                                  0x60, &si2157_config);
1342         if (!dvb->i2c_client_tuner) {
1343                 dvb_module_release(dvb->i2c_client_demod);
1344                 return -ENODEV;
1345         }
1346
1347         return 0;
1348 }
1349
1350 static int em28178_dvb_init_plex_px_bcud(struct em28xx *dev)
1351 {
1352         struct em28xx_dvb *dvb = dev->dvb;
1353         struct tc90522_config tc90522_config = {};
1354         struct qm1d1c0042_config qm1d1c0042_config = {};
1355
1356         /* attach demod */
1357         dvb->i2c_client_demod = dvb_module_probe("tc90522", "tc90522sat",
1358                                                  &dev->i2c_adap[dev->def_i2c_bus],
1359                                                  0x15, &tc90522_config);
1360         if (!dvb->i2c_client_demod)
1361                 return -ENODEV;
1362
1363         /* attach tuner */
1364         qm1d1c0042_config.fe = tc90522_config.fe;
1365         qm1d1c0042_config.lpf = 1;
1366
1367         dvb->i2c_client_tuner = dvb_module_probe("qm1d1c0042", NULL,
1368                                                  tc90522_config.tuner_i2c,
1369                                                  0x61, &qm1d1c0042_config);
1370         if (!dvb->i2c_client_tuner) {
1371                 dvb_module_release(dvb->i2c_client_demod);
1372                 return -ENODEV;
1373         }
1374
1375         dvb->fe[0] = tc90522_config.fe;
1376         px_bcud_init(dev);
1377
1378         return 0;
1379 }
1380
1381 static int em28174_dvb_init_hauppauge_wintv_dualhd_dvb(struct em28xx *dev)
1382 {
1383         struct em28xx_dvb *dvb = dev->dvb;
1384         struct i2c_adapter *adapter;
1385         struct si2168_config si2168_config = {};
1386         struct si2157_config si2157_config = {};
1387         unsigned char addr;
1388
1389         /* attach demod */
1390         si2168_config.i2c_adapter = &adapter;
1391         si2168_config.fe = &dvb->fe[0];
1392         si2168_config.ts_mode = SI2168_TS_SERIAL;
1393         si2168_config.spectral_inversion = true;
1394         addr = (dev->ts == PRIMARY_TS) ? 0x64 : 0x67;
1395
1396         dvb->i2c_client_demod = dvb_module_probe("si2168", NULL,
1397                                                  &dev->i2c_adap[dev->def_i2c_bus],
1398                                                  addr, &si2168_config);
1399         if (!dvb->i2c_client_demod)
1400                 return -ENODEV;
1401
1402         /* attach tuner */
1403         memset(&si2157_config, 0, sizeof(si2157_config));
1404         si2157_config.fe = dvb->fe[0];
1405         si2157_config.if_port = 1;
1406 #ifdef CONFIG_MEDIA_CONTROLLER_DVB
1407         si2157_config.mdev = dev->media_dev;
1408 #endif
1409         addr = (dev->ts == PRIMARY_TS) ? 0x60 : 0x63;
1410
1411         dvb->i2c_client_tuner = dvb_module_probe("si2157", NULL,
1412                                                  adapter,
1413                                                  addr, &si2157_config);
1414         if (!dvb->i2c_client_tuner) {
1415                 dvb_module_release(dvb->i2c_client_demod);
1416                 return -ENODEV;
1417         }
1418
1419         return 0;
1420 }
1421
1422 static int em28174_dvb_init_hauppauge_wintv_dualhd_01595(struct em28xx *dev)
1423 {
1424         struct em28xx_dvb *dvb = dev->dvb;
1425         struct i2c_adapter *adapter;
1426         struct lgdt3306a_config lgdt3306a_config =  {};
1427         struct si2157_config si2157_config = {};
1428         unsigned char addr;
1429
1430         /* attach demod */
1431         lgdt3306a_config = hauppauge_01595_lgdt3306a_config;
1432         lgdt3306a_config.fe = &dvb->fe[0];
1433         lgdt3306a_config.i2c_adapter = &adapter;
1434         addr = (dev->ts == PRIMARY_TS) ? 0x59 : 0x0e;
1435
1436         dvb->i2c_client_demod = dvb_module_probe("lgdt3306a", NULL,
1437                                                  &dev->i2c_adap[dev->def_i2c_bus],
1438                                                  addr, &lgdt3306a_config);
1439         if (!dvb->i2c_client_demod)
1440                 return -ENODEV;
1441
1442         /* attach tuner */
1443         si2157_config.fe = dvb->fe[0];
1444         si2157_config.if_port = 1;
1445         si2157_config.inversion = 1;
1446 #ifdef CONFIG_MEDIA_CONTROLLER_DVB
1447         si2157_config.mdev = dev->media_dev;
1448 #endif
1449         addr = (dev->ts == PRIMARY_TS) ? 0x60 : 0x62;
1450
1451         dvb->i2c_client_tuner = dvb_module_probe("si2157", NULL,
1452                                                  adapter,
1453                                                  addr, &si2157_config);
1454         if (!dvb->i2c_client_tuner) {
1455                 dvb_module_release(dvb->i2c_client_demod);
1456                 return -ENODEV;
1457         }
1458
1459         return 0;
1460 }
1461
1462 static int em28xx_dvb_init(struct em28xx *dev)
1463 {
1464         int result = 0, dvb_alt = 0;
1465         struct em28xx_dvb *dvb;
1466         struct usb_device *udev;
1467
1468         if (dev->is_audio_only) {
1469                 /* Shouldn't initialize IR for this interface */
1470                 return 0;
1471         }
1472
1473         if (!dev->board.has_dvb) {
1474                 /* This device does not support the extension */
1475                 return 0;
1476         }
1477
1478         dev_info(&dev->intf->dev, "Binding DVB extension\n");
1479
1480         dvb = kzalloc(sizeof(*dvb), GFP_KERNEL);
1481         if (!dvb)
1482                 return -ENOMEM;
1483
1484         dev->dvb = dvb;
1485         dvb->fe[0] = NULL;
1486         dvb->fe[1] = NULL;
1487
1488         /* pre-allocate DVB usb transfer buffers */
1489         if (dev->dvb_xfer_bulk) {
1490                 result = em28xx_alloc_urbs(dev, EM28XX_DIGITAL_MODE,
1491                                            dev->dvb_xfer_bulk,
1492                                            EM28XX_DVB_NUM_BUFS,
1493                                            512,
1494                                            EM28XX_DVB_BULK_PACKET_MULTIPLIER);
1495         } else {
1496                 result = em28xx_alloc_urbs(dev, EM28XX_DIGITAL_MODE,
1497                                            dev->dvb_xfer_bulk,
1498                                            EM28XX_DVB_NUM_BUFS,
1499                                            dev->dvb_max_pkt_size_isoc,
1500                                            EM28XX_DVB_NUM_ISOC_PACKETS);
1501         }
1502         if (result) {
1503                 dev_err(&dev->intf->dev,
1504                         "failed to pre-allocate USB transfer buffers for DVB.\n");
1505                 kfree(dvb);
1506                 dev->dvb = NULL;
1507                 return result;
1508         }
1509
1510         mutex_lock(&dev->lock);
1511         em28xx_set_mode(dev, EM28XX_DIGITAL_MODE);
1512         /* init frontend */
1513         switch (dev->model) {
1514         case EM2874_BOARD_LEADERSHIP_ISDBT:
1515                 dvb->fe[0] = dvb_attach(s921_attach,
1516                                         &sharp_isdbt,
1517                                         &dev->i2c_adap[dev->def_i2c_bus]);
1518
1519                 if (!dvb->fe[0]) {
1520                         result = -EINVAL;
1521                         goto out_free;
1522                 }
1523
1524                 break;
1525         case EM2883_BOARD_HAUPPAUGE_WINTV_HVR_850:
1526         case EM2883_BOARD_HAUPPAUGE_WINTV_HVR_950:
1527         case EM2880_BOARD_PINNACLE_PCTV_HD_PRO:
1528         case EM2880_BOARD_AMD_ATI_TV_WONDER_HD_600:
1529                 dvb->fe[0] = dvb_attach(lgdt330x_attach,
1530                                         &em2880_lgdt3303_dev,
1531                                         0x0e,
1532                                         &dev->i2c_adap[dev->def_i2c_bus]);
1533                 if (em28xx_attach_xc3028(0x61, dev) < 0) {
1534                         result = -EINVAL;
1535                         goto out_free;
1536                 }
1537                 break;
1538         case EM2880_BOARD_KWORLD_DVB_310U:
1539                 dvb->fe[0] = dvb_attach(zl10353_attach,
1540                                         &em28xx_zl10353_with_xc3028,
1541                                         &dev->i2c_adap[dev->def_i2c_bus]);
1542                 if (em28xx_attach_xc3028(0x61, dev) < 0) {
1543                         result = -EINVAL;
1544                         goto out_free;
1545                 }
1546                 break;
1547         case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900:
1548         case EM2882_BOARD_TERRATEC_HYBRID_XS:
1549         case EM2880_BOARD_EMPIRE_DUAL_TV:
1550         case EM2882_BOARD_ZOLID_HYBRID_TV_STICK:
1551                 dvb->fe[0] = dvb_attach(zl10353_attach,
1552                                         &em28xx_zl10353_xc3028_no_i2c_gate,
1553                                         &dev->i2c_adap[dev->def_i2c_bus]);
1554                 if (em28xx_attach_xc3028(0x61, dev) < 0) {
1555                         result = -EINVAL;
1556                         goto out_free;
1557                 }
1558                 break;
1559         case EM2880_BOARD_TERRATEC_HYBRID_XS:
1560         case EM2880_BOARD_TERRATEC_HYBRID_XS_FR:
1561         case EM2881_BOARD_PINNACLE_HYBRID_PRO:
1562         case EM2882_BOARD_DIKOM_DK300:
1563         case EM2882_BOARD_KWORLD_VS_DVBT:
1564                 /*
1565                  * Those boards could have either a zl10353 or a mt352.
1566                  * If the chip id isn't for zl10353, try mt352.
1567                  */
1568                 dvb->fe[0] = dvb_attach(zl10353_attach,
1569                                         &em28xx_zl10353_xc3028_no_i2c_gate,
1570                                         &dev->i2c_adap[dev->def_i2c_bus]);
1571                 if (!dvb->fe[0])
1572                         dvb->fe[0] = dvb_attach(mt352_attach,
1573                                                 &terratec_xs_mt352_cfg,
1574                                                 &dev->i2c_adap[dev->def_i2c_bus]);
1575
1576                 if (em28xx_attach_xc3028(0x61, dev) < 0) {
1577                         result = -EINVAL;
1578                         goto out_free;
1579                 }
1580                 break;
1581         case EM2870_BOARD_TERRATEC_XS_MT2060:
1582                 dvb->fe[0] = dvb_attach(zl10353_attach,
1583                                         &em28xx_zl10353_no_i2c_gate_dev,
1584                                         &dev->i2c_adap[dev->def_i2c_bus]);
1585                 if (dvb->fe[0]) {
1586                         dvb_attach(mt2060_attach, dvb->fe[0],
1587                                    &dev->i2c_adap[dev->def_i2c_bus],
1588                                    &em28xx_mt2060_config, 1220);
1589                 }
1590                 break;
1591         case EM2870_BOARD_KWORLD_355U:
1592                 dvb->fe[0] = dvb_attach(zl10353_attach,
1593                                         &em28xx_zl10353_no_i2c_gate_dev,
1594                                         &dev->i2c_adap[dev->def_i2c_bus]);
1595                 if (dvb->fe[0])
1596                         dvb_attach(qt1010_attach, dvb->fe[0],
1597                                    &dev->i2c_adap[dev->def_i2c_bus],
1598                                    &em28xx_qt1010_config);
1599                 break;
1600         case EM2883_BOARD_KWORLD_HYBRID_330U:
1601         case EM2882_BOARD_EVGA_INDTUBE:
1602                 dvb->fe[0] = dvb_attach(s5h1409_attach,
1603                                         &em28xx_s5h1409_with_xc3028,
1604                                         &dev->i2c_adap[dev->def_i2c_bus]);
1605                 if (em28xx_attach_xc3028(0x61, dev) < 0) {
1606                         result = -EINVAL;
1607                         goto out_free;
1608                 }
1609                 break;
1610         case EM2882_BOARD_KWORLD_ATSC_315U:
1611                 dvb->fe[0] = dvb_attach(lgdt330x_attach,
1612                                         &em2880_lgdt3303_dev,
1613                                         0x0e,
1614                                         &dev->i2c_adap[dev->def_i2c_bus]);
1615                 if (dvb->fe[0]) {
1616                         if (!dvb_attach(simple_tuner_attach, dvb->fe[0],
1617                                         &dev->i2c_adap[dev->def_i2c_bus],
1618                                         0x61, TUNER_THOMSON_DTT761X)) {
1619                                 result = -EINVAL;
1620                                 goto out_free;
1621                         }
1622                 }
1623                 break;
1624         case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900_R2:
1625         case EM2882_BOARD_PINNACLE_HYBRID_PRO_330E:
1626                 dvb->fe[0] = dvb_attach(drxd_attach, &em28xx_drxd, NULL,
1627                                         &dev->i2c_adap[dev->def_i2c_bus],
1628                                         &dev->intf->dev);
1629                 if (em28xx_attach_xc3028(0x61, dev) < 0) {
1630                         result = -EINVAL;
1631                         goto out_free;
1632                 }
1633                 break;
1634         case EM2870_BOARD_REDDO_DVB_C_USB_BOX:
1635                 /* Philips CU1216L NIM (Philips TDA10023 + Infineon TUA6034) */
1636                 dvb->fe[0] = dvb_attach(tda10023_attach,
1637                                         &em28xx_tda10023_config,
1638                                         &dev->i2c_adap[dev->def_i2c_bus],
1639                                         0x48);
1640                 if (dvb->fe[0]) {
1641                         if (!dvb_attach(simple_tuner_attach, dvb->fe[0],
1642                                         &dev->i2c_adap[dev->def_i2c_bus],
1643                                         0x60, TUNER_PHILIPS_CU1216L)) {
1644                                 result = -EINVAL;
1645                                 goto out_free;
1646                         }
1647                 }
1648                 break;
1649         case EM2870_BOARD_KWORLD_A340:
1650                 dvb->fe[0] = dvb_attach(lgdt3305_attach,
1651                                         &em2870_lgdt3304_dev,
1652                                         &dev->i2c_adap[dev->def_i2c_bus]);
1653                 if (!dvb->fe[0]) {
1654                         result = -EINVAL;
1655                         goto out_free;
1656                 }
1657                 if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
1658                                 &dev->i2c_adap[dev->def_i2c_bus],
1659                                 &kworld_a340_config)) {
1660                         dvb_frontend_detach(dvb->fe[0]);
1661                         result = -EINVAL;
1662                         goto out_free;
1663                 }
1664                 break;
1665         case EM28174_BOARD_PCTV_290E:
1666                 /* set default GPIO0 for LNA, used if GPIOLIB is undefined */
1667                 dvb->lna_gpio = CXD2820R_GPIO_E | CXD2820R_GPIO_O |
1668                                 CXD2820R_GPIO_L;
1669                 dvb->fe[0] = dvb_attach(cxd2820r_attach,
1670                                         &em28xx_cxd2820r_config,
1671                                         &dev->i2c_adap[dev->def_i2c_bus],
1672                                         &dvb->lna_gpio);
1673                 if (dvb->fe[0]) {
1674                         /* FE 0 attach tuner */
1675                         if (!dvb_attach(tda18271_attach,
1676                                         dvb->fe[0],
1677                                         0x60,
1678                                         &dev->i2c_adap[dev->def_i2c_bus],
1679                                         &em28xx_cxd2820r_tda18271_config)) {
1680                                 dvb_frontend_detach(dvb->fe[0]);
1681                                 result = -EINVAL;
1682                                 goto out_free;
1683                         }
1684
1685 #ifdef CONFIG_GPIOLIB
1686                         /* enable LNA for DVB-T, DVB-T2 and DVB-C */
1687                         result = gpio_request_one(dvb->lna_gpio,
1688                                                   GPIOF_OUT_INIT_LOW, NULL);
1689                         if (result)
1690                                 dev_err(&dev->intf->dev,
1691                                         "gpio request failed %d\n",
1692                                         result);
1693                         else
1694                                 gpio_free(dvb->lna_gpio);
1695
1696                         result = 0; /* continue even set LNA fails */
1697 #endif
1698                         dvb->fe[0]->ops.set_lna = em28xx_pctv_290e_set_lna;
1699                 }
1700
1701                 break;
1702         case EM2884_BOARD_HAUPPAUGE_WINTV_HVR_930C:
1703         {
1704                 struct xc5000_config cfg = {};
1705
1706                 hauppauge_hvr930c_init(dev);
1707
1708                 dvb->fe[0] = dvb_attach(drxk_attach,
1709                                         &hauppauge_930c_drxk,
1710                                         &dev->i2c_adap[dev->def_i2c_bus]);
1711                 if (!dvb->fe[0]) {
1712                         result = -EINVAL;
1713                         goto out_free;
1714                 }
1715                 /* FIXME: do we need a pll semaphore? */
1716                 dvb->fe[0]->sec_priv = dvb;
1717                 sema_init(&dvb->pll_mutex, 1);
1718                 dvb->gate_ctrl = dvb->fe[0]->ops.i2c_gate_ctrl;
1719                 dvb->fe[0]->ops.i2c_gate_ctrl = drxk_gate_ctrl;
1720
1721                 /* Attach xc5000 */
1722                 cfg.i2c_address  = 0x61;
1723                 cfg.if_khz = 4000;
1724
1725                 if (dvb->fe[0]->ops.i2c_gate_ctrl)
1726                         dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 1);
1727                 if (!dvb_attach(xc5000_attach, dvb->fe[0],
1728                                 &dev->i2c_adap[dev->def_i2c_bus], &cfg)) {
1729                         result = -EINVAL;
1730                         goto out_free;
1731                 }
1732                 if (dvb->fe[0]->ops.i2c_gate_ctrl)
1733                         dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 0);
1734
1735                 break;
1736         }
1737         case EM2884_BOARD_TERRATEC_H5:
1738                 terratec_h5_init(dev);
1739
1740                 dvb->fe[0] = dvb_attach(drxk_attach, &terratec_h5_drxk,
1741                                         &dev->i2c_adap[dev->def_i2c_bus]);
1742                 if (!dvb->fe[0]) {
1743                         result = -EINVAL;
1744                         goto out_free;
1745                 }
1746                 /* FIXME: do we need a pll semaphore? */
1747                 dvb->fe[0]->sec_priv = dvb;
1748                 sema_init(&dvb->pll_mutex, 1);
1749                 dvb->gate_ctrl = dvb->fe[0]->ops.i2c_gate_ctrl;
1750                 dvb->fe[0]->ops.i2c_gate_ctrl = drxk_gate_ctrl;
1751
1752                 /* Attach tda18271 to DVB-C frontend */
1753                 if (dvb->fe[0]->ops.i2c_gate_ctrl)
1754                         dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 1);
1755                 if (!dvb_attach(tda18271c2dd_attach, dvb->fe[0],
1756                                 &dev->i2c_adap[dev->def_i2c_bus], 0x60)) {
1757                         result = -EINVAL;
1758                         goto out_free;
1759                 }
1760                 if (dvb->fe[0]->ops.i2c_gate_ctrl)
1761                         dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 0);
1762
1763                 break;
1764         case EM2884_BOARD_C3TECH_DIGITAL_DUO:
1765                 dvb->fe[0] = dvb_attach(mb86a20s_attach,
1766                                         &c3tech_duo_mb86a20s_config,
1767                                         &dev->i2c_adap[dev->def_i2c_bus]);
1768                 if (dvb->fe[0])
1769                         dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
1770                                    &dev->i2c_adap[dev->def_i2c_bus],
1771                                    &c3tech_duo_tda18271_config);
1772                 break;
1773         case EM28174_BOARD_PCTV_460E:
1774                 result = em28174_dvb_init_pctv_460e(dev);
1775                 if (result)
1776                         goto out_free;
1777                 break;
1778         case EM2874_BOARD_DELOCK_61959:
1779         case EM2874_BOARD_MAXMEDIA_UB425_TC:
1780                 /* attach demodulator */
1781                 dvb->fe[0] = dvb_attach(drxk_attach, &maxmedia_ub425_tc_drxk,
1782                                         &dev->i2c_adap[dev->def_i2c_bus]);
1783
1784                 if (dvb->fe[0]) {
1785                         /* disable I2C-gate */
1786                         dvb->fe[0]->ops.i2c_gate_ctrl = NULL;
1787
1788                         /* attach tuner */
1789                         if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
1790                                         &dev->i2c_adap[dev->def_i2c_bus],
1791                                         &em28xx_cxd2820r_tda18271_config)) {
1792                                 dvb_frontend_detach(dvb->fe[0]);
1793                                 result = -EINVAL;
1794                                 goto out_free;
1795                         }
1796                 }
1797                 break;
1798         case EM2884_BOARD_PCTV_510E:
1799         case EM2884_BOARD_PCTV_520E:
1800                 pctv_520e_init(dev);
1801
1802                 /* attach demodulator */
1803                 dvb->fe[0] = dvb_attach(drxk_attach, &pctv_520e_drxk,
1804                                         &dev->i2c_adap[dev->def_i2c_bus]);
1805
1806                 if (dvb->fe[0]) {
1807                         /* attach tuner */
1808                         if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
1809                                         &dev->i2c_adap[dev->def_i2c_bus],
1810                                         &em28xx_cxd2820r_tda18271_config)) {
1811                                 dvb_frontend_detach(dvb->fe[0]);
1812                                 result = -EINVAL;
1813                                 goto out_free;
1814                         }
1815                 }
1816                 break;
1817         case EM2884_BOARD_ELGATO_EYETV_HYBRID_2008:
1818         case EM2884_BOARD_CINERGY_HTC_STICK:
1819         case EM2884_BOARD_TERRATEC_H6:
1820                 terratec_htc_stick_init(dev);
1821
1822                 /* attach demodulator */
1823                 dvb->fe[0] = dvb_attach(drxk_attach, &terratec_htc_stick_drxk,
1824                                         &dev->i2c_adap[dev->def_i2c_bus]);
1825                 if (!dvb->fe[0]) {
1826                         result = -EINVAL;
1827                         goto out_free;
1828                 }
1829
1830                 /* Attach the demodulator. */
1831                 if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
1832                                 &dev->i2c_adap[dev->def_i2c_bus],
1833                                 &em28xx_cxd2820r_tda18271_config)) {
1834                         result = -EINVAL;
1835                         goto out_free;
1836                 }
1837                 break;
1838         case EM2884_BOARD_TERRATEC_HTC_USB_XS:
1839                 terratec_htc_usb_xs_init(dev);
1840
1841                 /* attach demodulator */
1842                 dvb->fe[0] = dvb_attach(drxk_attach, &terratec_htc_stick_drxk,
1843                                         &dev->i2c_adap[dev->def_i2c_bus]);
1844                 if (!dvb->fe[0]) {
1845                         result = -EINVAL;
1846                         goto out_free;
1847                 }
1848
1849                 /* Attach the demodulator. */
1850                 if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
1851                                 &dev->i2c_adap[dev->def_i2c_bus],
1852                                 &em28xx_cxd2820r_tda18271_config)) {
1853                         result = -EINVAL;
1854                         goto out_free;
1855                 }
1856                 break;
1857         case EM2874_BOARD_KWORLD_UB435Q_V2:
1858                 dvb->fe[0] = dvb_attach(lgdt3305_attach,
1859                                         &em2874_lgdt3305_dev,
1860                                         &dev->i2c_adap[dev->def_i2c_bus]);
1861                 if (!dvb->fe[0]) {
1862                         result = -EINVAL;
1863                         goto out_free;
1864                 }
1865
1866                 /* Attach the demodulator. */
1867                 if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
1868                                 &dev->i2c_adap[dev->def_i2c_bus],
1869                                 &kworld_ub435q_v2_config)) {
1870                         result = -EINVAL;
1871                         goto out_free;
1872                 }
1873                 break;
1874         case EM2874_BOARD_KWORLD_UB435Q_V3:
1875         {
1876                 struct i2c_adapter *adapter = &dev->i2c_adap[dev->def_i2c_bus];
1877
1878                 dvb->fe[0] = dvb_attach(lgdt3305_attach,
1879                                         &em2874_lgdt3305_nogate_dev,
1880                                         &dev->i2c_adap[dev->def_i2c_bus]);
1881                 if (!dvb->fe[0]) {
1882                         result = -EINVAL;
1883                         goto out_free;
1884                 }
1885
1886                 /* attach tuner */
1887                 kworld_ub435q_v3_config.fe = dvb->fe[0];
1888
1889                 dvb->i2c_client_tuner = dvb_module_probe("tda18212", NULL,
1890                                                          adapter, 0x60,
1891                                                          &kworld_ub435q_v3_config);
1892                 if (!dvb->i2c_client_tuner) {
1893                         dvb_frontend_detach(dvb->fe[0]);
1894                         result = -ENODEV;
1895                         goto out_free;
1896                 }
1897                 break;
1898         }
1899         case EM2874_BOARD_PCTV_HD_MINI_80E:
1900                 dvb->fe[0] = dvb_attach(drx39xxj_attach,
1901                                         &dev->i2c_adap[dev->def_i2c_bus]);
1902                 if (dvb->fe[0]) {
1903                         dvb->fe[0] = dvb_attach(tda18271_attach, dvb->fe[0],
1904                                                 0x60,
1905                                                 &dev->i2c_adap[dev->def_i2c_bus],
1906                                                 &pinnacle_80e_dvb_config);
1907                         if (!dvb->fe[0]) {
1908                                 result = -EINVAL;
1909                                 goto out_free;
1910                         }
1911                 }
1912                 break;
1913         case EM28178_BOARD_PCTV_461E:
1914                 result = em28178_dvb_init_pctv_461e(dev);
1915                 if (result)
1916                         goto out_free;
1917                 break;
1918         case EM28178_BOARD_PCTV_461E_V2:
1919                 result = em28178_dvb_init_pctv_461e_v2(dev);
1920                 if (result)
1921                         goto out_free;
1922                 break;
1923         case EM28178_BOARD_PCTV_292E:
1924                 result = em28178_dvb_init_pctv_292e(dev);
1925                 if (result)
1926                         goto out_free;
1927                 break;
1928         case EM28178_BOARD_TERRATEC_T2_STICK_HD:
1929                 result = em28178_dvb_init_terratec_t2_stick_hd(dev);
1930                 if (result)
1931                         goto out_free;
1932                 break;
1933         case EM28178_BOARD_PLEX_PX_BCUD:
1934                 result = em28178_dvb_init_plex_px_bcud(dev);
1935                 if (result)
1936                         goto out_free;
1937                 break;
1938         case EM28174_BOARD_HAUPPAUGE_WINTV_DUALHD_DVB:
1939                 result = em28174_dvb_init_hauppauge_wintv_dualhd_dvb(dev);
1940                 if (result)
1941                         goto out_free;
1942                 break;
1943         case EM28174_BOARD_HAUPPAUGE_WINTV_DUALHD_01595:
1944                 result = em28174_dvb_init_hauppauge_wintv_dualhd_01595(dev);
1945                 if (result)
1946                         goto out_free;
1947                 break;
1948         default:
1949                 dev_err(&dev->intf->dev,
1950                         "The frontend of your DVB/ATSC card isn't supported yet\n");
1951                 break;
1952         }
1953         if (!dvb->fe[0]) {
1954                 dev_err(&dev->intf->dev, "frontend initialization failed\n");
1955                 result = -EINVAL;
1956                 goto out_free;
1957         }
1958         /* define general-purpose callback pointer */
1959         dvb->fe[0]->callback = em28xx_tuner_callback;
1960         if (dvb->fe[1])
1961                 dvb->fe[1]->callback = em28xx_tuner_callback;
1962
1963         /* register everything */
1964         result = em28xx_register_dvb(dvb, THIS_MODULE, dev, &dev->intf->dev);
1965
1966         if (result < 0)
1967                 goto out_free;
1968
1969         if (dev->dvb_xfer_bulk) {
1970                 dvb_alt = 0;
1971         } else { /* isoc */
1972                 dvb_alt = dev->dvb_alt_isoc;
1973         }
1974
1975         udev = interface_to_usbdev(dev->intf);
1976         usb_set_interface(udev, dev->ifnum, dvb_alt);
1977         dev_info(&dev->intf->dev, "DVB extension successfully initialized\n");
1978
1979         kref_get(&dev->ref);
1980
1981 ret:
1982         em28xx_set_mode(dev, EM28XX_SUSPEND);
1983         mutex_unlock(&dev->lock);
1984         return result;
1985
1986 out_free:
1987         kfree(dvb);
1988         dev->dvb = NULL;
1989         goto ret;
1990 }
1991
1992 static inline void prevent_sleep(struct dvb_frontend_ops *ops)
1993 {
1994         ops->set_voltage = NULL;
1995         ops->sleep = NULL;
1996         ops->tuner_ops.sleep = NULL;
1997 }
1998
1999 static int em28xx_dvb_fini(struct em28xx *dev)
2000 {
2001         struct em28xx_dvb *dvb;
2002
2003         if (dev->is_audio_only) {
2004                 /* Shouldn't initialize IR for this interface */
2005                 return 0;
2006         }
2007
2008         if (!dev->board.has_dvb) {
2009                 /* This device does not support the extension */
2010                 return 0;
2011         }
2012
2013         if (!dev->dvb)
2014                 return 0;
2015
2016         dev_info(&dev->intf->dev, "Closing DVB extension\n");
2017
2018         dvb = dev->dvb;
2019
2020         em28xx_uninit_usb_xfer(dev, EM28XX_DIGITAL_MODE);
2021
2022         if (dev->disconnected) {
2023                 /*
2024                  * We cannot tell the device to sleep
2025                  * once it has been unplugged.
2026                  */
2027                 if (dvb->fe[0]) {
2028                         prevent_sleep(&dvb->fe[0]->ops);
2029                         dvb->fe[0]->exit = DVB_FE_DEVICE_REMOVED;
2030                 }
2031                 if (dvb->fe[1]) {
2032                         prevent_sleep(&dvb->fe[1]->ops);
2033                         dvb->fe[1]->exit = DVB_FE_DEVICE_REMOVED;
2034                 }
2035         }
2036
2037         em28xx_unregister_dvb(dvb);
2038
2039         /* release I2C module bindings */
2040         dvb_module_release(dvb->i2c_client_sec);
2041         dvb_module_release(dvb->i2c_client_tuner);
2042         dvb_module_release(dvb->i2c_client_demod);
2043
2044         kfree(dvb);
2045         dev->dvb = NULL;
2046         kref_put(&dev->ref, em28xx_free_device);
2047
2048         return 0;
2049 }
2050
2051 static int em28xx_dvb_suspend(struct em28xx *dev)
2052 {
2053         int ret = 0;
2054
2055         if (dev->is_audio_only)
2056                 return 0;
2057
2058         if (!dev->board.has_dvb)
2059                 return 0;
2060
2061         dev_info(&dev->intf->dev, "Suspending DVB extension\n");
2062         if (dev->dvb) {
2063                 struct em28xx_dvb *dvb = dev->dvb;
2064
2065                 if (dvb->fe[0]) {
2066                         ret = dvb_frontend_suspend(dvb->fe[0]);
2067                         dev_info(&dev->intf->dev, "fe0 suspend %d\n", ret);
2068                 }
2069                 if (dvb->fe[1]) {
2070                         dvb_frontend_suspend(dvb->fe[1]);
2071                         dev_info(&dev->intf->dev, "fe1 suspend %d\n", ret);
2072                 }
2073         }
2074
2075         return 0;
2076 }
2077
2078 static int em28xx_dvb_resume(struct em28xx *dev)
2079 {
2080         int ret = 0;
2081
2082         if (dev->is_audio_only)
2083                 return 0;
2084
2085         if (!dev->board.has_dvb)
2086                 return 0;
2087
2088         dev_info(&dev->intf->dev, "Resuming DVB extension\n");
2089         if (dev->dvb) {
2090                 struct em28xx_dvb *dvb = dev->dvb;
2091
2092                 if (dvb->fe[0]) {
2093                         ret = dvb_frontend_resume(dvb->fe[0]);
2094                         dev_info(&dev->intf->dev, "fe0 resume %d\n", ret);
2095                 }
2096
2097                 if (dvb->fe[1]) {
2098                         ret = dvb_frontend_resume(dvb->fe[1]);
2099                         dev_info(&dev->intf->dev, "fe1 resume %d\n", ret);
2100                 }
2101         }
2102
2103         return 0;
2104 }
2105
2106 static struct em28xx_ops dvb_ops = {
2107         .id   = EM28XX_DVB,
2108         .name = "Em28xx dvb Extension",
2109         .init = em28xx_dvb_init,
2110         .fini = em28xx_dvb_fini,
2111         .suspend = em28xx_dvb_suspend,
2112         .resume = em28xx_dvb_resume,
2113 };
2114
2115 static int __init em28xx_dvb_register(void)
2116 {
2117         return em28xx_register_extension(&dvb_ops);
2118 }
2119
2120 static void __exit em28xx_dvb_unregister(void)
2121 {
2122         em28xx_unregister_extension(&dvb_ops);
2123 }
2124
2125 module_init(em28xx_dvb_register);
2126 module_exit(em28xx_dvb_unregister);