drivers/media/usb/cx231xx/cx231xx-dvb.c

   1 /*
   2  DVB device driver for cx231xx
   3
   4  Copyright (C) 2008 <srinivasa.deevi at conexant dot com>
   5                 Based on em28xx driver
   6
   7  This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 2 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program; if not, write to the Free Software
  19    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  20  */
  21
  22 #include "cx231xx.h"
  23 #include <linux/kernel.h>
  24 #include <linux/slab.h>
  25
  26 #include <media/dvbdev.h>
  27 #include <media/dmxdev.h>
  28 #include <media/dvb_demux.h>
  29 #include <media/dvb_net.h>
  30 #include <media/dvb_frontend.h>
  31 #include <media/v4l2-common.h>
  32 #include <media/tuner.h>
  33
  34 #include "xc5000.h"
  35 #include "s5h1432.h"
  36 #include "tda18271.h"
  37 #include "s5h1411.h"
  38 #include "lgdt3305.h"
  39 #include "si2165.h"
  40 #include "si2168.h"
  41 #include "mb86a20s.h"
  42 #include "si2157.h"
  43 #include "lgdt3306a.h"
  44 #include "r820t.h"
  45 #include "mn88473.h"
  46
  47 MODULE_DESCRIPTION("driver for cx231xx based DVB cards");
  48 MODULE_AUTHOR("Srinivasa Deevi <srinivasa.deevi@conexant.com>");
  49 MODULE_LICENSE("GPL");
  50
  51 static unsigned int debug;
  52 module_param(debug, int, 0644);
  53 MODULE_PARM_DESC(debug, "enable debug messages [dvb]");
  54
  55 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
  56
  57 #define CX231XX_DVB_NUM_BUFS 5
  58 #define CX231XX_DVB_MAX_PACKETSIZE 564
  59 #define CX231XX_DVB_MAX_PACKETS 64
  60 #define CX231XX_DVB_MAX_FRONTENDS 2
  61
  62 struct cx231xx_dvb {
  63         struct dvb_frontend *frontend[CX231XX_DVB_MAX_FRONTENDS];
  64
  65         /* feed count management */
  66         struct mutex lock;
  67         int nfeeds;
  68
  69         /* general boilerplate stuff */
  70         struct dvb_adapter adapter;
  71         struct dvb_demux demux;
  72         struct dmxdev dmxdev;
  73         struct dmx_frontend fe_hw;
  74         struct dmx_frontend fe_mem;
  75         struct dvb_net net;
  76         struct i2c_client *i2c_client_demod[2];
  77         struct i2c_client *i2c_client_tuner;
  78 };
  79
  80 static struct s5h1432_config dvico_s5h1432_config = {
  81         .output_mode   = S5H1432_SERIAL_OUTPUT,
  82         .gpio          = S5H1432_GPIO_ON,
  83         .qam_if        = S5H1432_IF_4000,
  84         .vsb_if        = S5H1432_IF_4000,
  85         .inversion     = S5H1432_INVERSION_OFF,
  86         .status_mode   = S5H1432_DEMODLOCKING,
  87         .mpeg_timing   = S5H1432_MPEGTIMING_CONTINUOUS_NONINVERTING_CLOCK,
  88 };
  89
  90 static struct tda18271_std_map cnxt_rde253s_tda18271_std_map = {
  91         .dvbt_6   = { .if_freq = 4000, .agc_mode = 3, .std = 4,
  92                       .if_lvl = 1, .rfagc_top = 0x37, },
  93         .dvbt_7   = { .if_freq = 4000, .agc_mode = 3, .std = 5,
  94                       .if_lvl = 1, .rfagc_top = 0x37, },
  95         .dvbt_8   = { .if_freq = 4000, .agc_mode = 3, .std = 6,
  96                       .if_lvl = 1, .rfagc_top = 0x37, },
  97 };
  98
  99 static struct tda18271_std_map mb86a20s_tda18271_config = {
 100         .dvbt_6   = { .if_freq = 4000, .agc_mode = 3, .std = 4,
 101                       .if_lvl = 0, .rfagc_top = 0x37, },
 102 };
 103
 104 static struct tda18271_config cnxt_rde253s_tunerconfig = {
 105         .std_map = &cnxt_rde253s_tda18271_std_map,
 106         .gate    = TDA18271_GATE_ANALOG,
 107 };
 108
 109 static struct s5h1411_config tda18271_s5h1411_config = {
 110         .output_mode   = S5H1411_SERIAL_OUTPUT,
 111         .gpio          = S5H1411_GPIO_OFF,
 112         .vsb_if        = S5H1411_IF_3250,
 113         .qam_if        = S5H1411_IF_4000,
 114         .inversion     = S5H1411_INVERSION_ON,
 115         .status_mode   = S5H1411_DEMODLOCKING,
 116         .mpeg_timing   = S5H1411_MPEGTIMING_CONTINUOUS_NONINVERTING_CLOCK,
 117 };
 118 static struct s5h1411_config xc5000_s5h1411_config = {
 119         .output_mode   = S5H1411_SERIAL_OUTPUT,
 120         .gpio          = S5H1411_GPIO_OFF,
 121         .vsb_if        = S5H1411_IF_3250,
 122         .qam_if        = S5H1411_IF_3250,
 123         .inversion     = S5H1411_INVERSION_OFF,
 124         .status_mode   = S5H1411_DEMODLOCKING,
 125         .mpeg_timing   = S5H1411_MPEGTIMING_CONTINUOUS_NONINVERTING_CLOCK,
 126 };
 127
 128 static struct lgdt3305_config hcw_lgdt3305_config = {
 129         .i2c_addr           = 0x0e,
 130         .mpeg_mode          = LGDT3305_MPEG_SERIAL,
 131         .tpclk_edge         = LGDT3305_TPCLK_FALLING_EDGE,
 132         .tpvalid_polarity   = LGDT3305_TP_VALID_HIGH,
 133         .deny_i2c_rptr      = 1,
 134         .spectral_inversion = 1,
 135         .qam_if_khz         = 4000,
 136         .vsb_if_khz         = 3250,
 137 };
 138
 139 static struct tda18271_std_map hauppauge_tda18271_std_map = {
 140         .atsc_6   = { .if_freq = 3250, .agc_mode = 3, .std = 4,
 141                       .if_lvl = 1, .rfagc_top = 0x58, },
 142         .qam_6    = { .if_freq = 4000, .agc_mode = 3, .std = 5,
 143                       .if_lvl = 1, .rfagc_top = 0x58, },
 144 };
 145
 146 static struct tda18271_config hcw_tda18271_config = {
 147         .std_map = &hauppauge_tda18271_std_map,
 148         .gate    = TDA18271_GATE_DIGITAL,
 149 };
 150
 151 static const struct mb86a20s_config pv_mb86a20s_config = {
 152         .demod_address = 0x10,
 153         .is_serial = true,
 154 };
 155
 156 static struct tda18271_config pv_tda18271_config = {
 157         .std_map = &mb86a20s_tda18271_config,
 158         .gate    = TDA18271_GATE_DIGITAL,
 159         .small_i2c = TDA18271_03_BYTE_CHUNK_INIT,
 160 };
 161
 162 static struct lgdt3306a_config hauppauge_955q_lgdt3306a_config = {
 163         .qam_if_khz         = 4000,
 164         .vsb_if_khz         = 3250,
 165         .spectral_inversion = 1,
 166         .mpeg_mode          = LGDT3306A_MPEG_SERIAL,
 167         .tpclk_edge         = LGDT3306A_TPCLK_RISING_EDGE,
 168         .tpvalid_polarity   = LGDT3306A_TP_VALID_HIGH,
 169         .xtalMHz            = 25,
 170 };
 171
 172 static struct r820t_config astrometa_t2hybrid_r820t_config = {
 173         .i2c_addr               = 0x3a, /* 0x74 >> 1 */
 174         .xtal                   = 16000000,
 175         .rafael_chip            = CHIP_R828D,
 176         .max_i2c_msg_len        = 2,
 177 };
 178
 179 static inline void print_err_status(struct cx231xx *dev, int packet, int status)
 180 {
 181         char *errmsg = "Unknown";
 182
 183         switch (status) {
 184         case -ENOENT:
 185                 errmsg = "unlinked synchronously";
 186                 break;
 187         case -ECONNRESET:
 188                 errmsg = "unlinked asynchronously";
 189                 break;
 190         case -ENOSR:
 191                 errmsg = "Buffer error (overrun)";
 192                 break;
 193         case -EPIPE:
 194                 errmsg = "Stalled (device not responding)";
 195                 break;
 196         case -EOVERFLOW:
 197                 errmsg = "Babble (bad cable?)";
 198                 break;
 199         case -EPROTO:
 200                 errmsg = "Bit-stuff error (bad cable?)";
 201                 break;
 202         case -EILSEQ:
 203                 errmsg = "CRC/Timeout (could be anything)";
 204                 break;
 205         case -ETIME:
 206                 errmsg = "Device does not respond";
 207                 break;
 208         }
 209         if (packet < 0) {
 210                 dev_dbg(dev->dev,
 211                         "URB status %d [%s].\n", status, errmsg);
 212         } else {
 213                 dev_dbg(dev->dev,
 214                         "URB packet %d, status %d [%s].\n",
 215                         packet, status, errmsg);
 216         }
 217 }
 218
 219 static inline int dvb_isoc_copy(struct cx231xx *dev, struct urb *urb)
 220 {
 221         int i;
 222
 223         if (!dev)
 224                 return 0;
 225
 226         if (dev->state & DEV_DISCONNECTED)
 227                 return 0;
 228
 229         if (urb->status < 0) {
 230                 print_err_status(dev, -1, urb->status);
 231                 if (urb->status == -ENOENT)
 232                         return 0;
 233         }
 234
 235         for (i = 0; i < urb->number_of_packets; i++) {
 236                 int status = urb->iso_frame_desc[i].status;
 237
 238                 if (status < 0) {
 239                         print_err_status(dev, i, status);
 240                         if (urb->iso_frame_desc[i].status != -EPROTO)
 241                                 continue;
 242                 }
 243
 244                 dvb_dmx_swfilter(&dev->dvb->demux,
 245                                  urb->transfer_buffer +
 246                                 urb->iso_frame_desc[i].offset,
 247                                 urb->iso_frame_desc[i].actual_length);
 248         }
 249
 250         return 0;
 251 }
 252
 253 static inline int dvb_bulk_copy(struct cx231xx *dev, struct urb *urb)
 254 {
 255         if (!dev)
 256                 return 0;
 257
 258         if (dev->state & DEV_DISCONNECTED)
 259                 return 0;
 260
 261         if (urb->status < 0) {
 262                 print_err_status(dev, -1, urb->status);
 263                 if (urb->status == -ENOENT)
 264                         return 0;
 265         }
 266
 267         /* Feed the transport payload into the kernel demux */
 268         dvb_dmx_swfilter(&dev->dvb->demux,
 269                 urb->transfer_buffer, urb->actual_length);
 270
 271         return 0;
 272 }
 273
 274 static int start_streaming(struct cx231xx_dvb *dvb)
 275 {
 276         int rc;
 277         struct cx231xx *dev = dvb->adapter.priv;
 278
 279         if (dev->USE_ISO) {
 280                 dev_dbg(dev->dev, "DVB transfer mode is ISO.\n");
 281                 cx231xx_set_alt_setting(dev, INDEX_TS1, 5);
 282                 rc = cx231xx_set_mode(dev, CX231XX_DIGITAL_MODE);
 283                 if (rc < 0)
 284                         return rc;
 285                 dev->mode_tv = 1;
 286                 return cx231xx_init_isoc(dev, CX231XX_DVB_MAX_PACKETS,
 287                                         CX231XX_DVB_NUM_BUFS,
 288                                         dev->ts1_mode.max_pkt_size,
 289                                         dvb_isoc_copy);
 290         } else {
 291                 dev_dbg(dev->dev, "DVB transfer mode is BULK.\n");
 292                 cx231xx_set_alt_setting(dev, INDEX_TS1, 0);
 293                 rc = cx231xx_set_mode(dev, CX231XX_DIGITAL_MODE);
 294                 if (rc < 0)
 295                         return rc;
 296                 dev->mode_tv = 1;
 297                 return cx231xx_init_bulk(dev, CX231XX_DVB_MAX_PACKETS,
 298                                         CX231XX_DVB_NUM_BUFS,
 299                                         dev->ts1_mode.max_pkt_size,
 300                                         dvb_bulk_copy);
 301         }
 302
 303 }
 304
 305 static int stop_streaming(struct cx231xx_dvb *dvb)
 306 {
 307         struct cx231xx *dev = dvb->adapter.priv;
 308
 309         if (dev->USE_ISO)
 310                 cx231xx_uninit_isoc(dev);
 311         else
 312                 cx231xx_uninit_bulk(dev);
 313
 314         cx231xx_set_mode(dev, CX231XX_SUSPEND);
 315
 316         return 0;
 317 }
 318
 319 static int start_feed(struct dvb_demux_feed *feed)
 320 {
 321         struct dvb_demux *demux = feed->demux;
 322         struct cx231xx_dvb *dvb = demux->priv;
 323         int rc, ret;
 324
 325         if (!demux->dmx.frontend)
 326                 return -EINVAL;
 327
 328         mutex_lock(&dvb->lock);
 329         dvb->nfeeds++;
 330         rc = dvb->nfeeds;
 331
 332         if (dvb->nfeeds == 1) {
 333                 ret = start_streaming(dvb);
 334                 if (ret < 0)
 335                         rc = ret;
 336         }
 337
 338         mutex_unlock(&dvb->lock);
 339         return rc;
 340 }
 341
 342 static int stop_feed(struct dvb_demux_feed *feed)
 343 {
 344         struct dvb_demux *demux = feed->demux;
 345         struct cx231xx_dvb *dvb = demux->priv;
 346         int err = 0;
 347
 348         mutex_lock(&dvb->lock);
 349         dvb->nfeeds--;
 350
 351         if (0 == dvb->nfeeds)
 352                 err = stop_streaming(dvb);
 353
 354         mutex_unlock(&dvb->lock);
 355         return err;
 356 }
 357
 358 /* ------------------------------------------------------------------ */
 359 static int cx231xx_dvb_bus_ctrl(struct dvb_frontend *fe, int acquire)
 360 {
 361         struct cx231xx *dev = fe->dvb->priv;
 362
 363         if (acquire)
 364                 return cx231xx_set_mode(dev, CX231XX_DIGITAL_MODE);
 365         else
 366                 return cx231xx_set_mode(dev, CX231XX_SUSPEND);
 367 }
 368
 369 /* ------------------------------------------------------------------ */
 370
 371 static struct xc5000_config cnxt_rde250_tunerconfig = {
 372         .i2c_address = 0x61,
 373         .if_khz = 4000,
 374 };
 375 static struct xc5000_config cnxt_rdu250_tunerconfig = {
 376         .i2c_address = 0x61,
 377         .if_khz = 3250,
 378 };
 379
 380 /* ------------------------------------------------------------------ */
 381 #if 0
 382 static int attach_xc5000(u8 addr, struct cx231xx *dev)
 383 {
 384
 385         struct dvb_frontend *fe;
 386         struct xc5000_config cfg;
 387
 388         memset(&cfg, 0, sizeof(cfg));
 389         cfg.i2c_adap = cx231xx_get_i2c_adap(dev, dev->board.tuner_i2c_master);
 390         cfg.i2c_addr = addr;
 391
 392         if (!dev->dvb->frontend[0]) {
 393                 dev_err(dev->dev, "%s/2: dvb frontend not attached. Can't attach xc5000\n",
 394                         dev->name);
 395                 return -EINVAL;
 396         }
 397
 398         fe = dvb_attach(xc5000_attach, dev->dvb->frontend[0], &cfg);
 399         if (!fe) {
 400                 dev_err(dev->dev, "%s/2: xc5000 attach failed\n", dev->name);
 401                 dvb_frontend_detach(dev->dvb->frontend[0]);
 402                 dev->dvb->frontend[0] = NULL;
 403                 return -EINVAL;
 404         }
 405
 406         dev_info(dev->dev, "%s/2: xc5000 attached\n", dev->name);
 407
 408         return 0;
 409 }
 410 #endif
 411
 412 int cx231xx_set_analog_freq(struct cx231xx *dev, u32 freq)
 413 {
 414         if (dev->dvb && dev->dvb->frontend[0]) {
 415
 416                 struct dvb_tuner_ops *dops = &dev->dvb->frontend[0]->ops.tuner_ops;
 417
 418                 if (dops->set_analog_params != NULL) {
 419                         struct analog_parameters params;
 420
 421                         params.frequency = freq;
 422                         params.std = dev->norm;
 423                         params.mode = 0;        /* 0- Air; 1 - cable */
 424                         /*params.audmode = ;       */
 425
 426                         /* Set the analog parameters to set the frequency */
 427                         dops->set_analog_params(dev->dvb->frontend[0], &params);
 428                 }
 429
 430         }
 431
 432         return 0;
 433 }
 434
 435 int cx231xx_reset_analog_tuner(struct cx231xx *dev)
 436 {
 437         int status = 0;
 438
 439         if (dev->dvb && dev->dvb->frontend[0]) {
 440
 441                 struct dvb_tuner_ops *dops = &dev->dvb->frontend[0]->ops.tuner_ops;
 442
 443                 if (dops->init != NULL && !dev->xc_fw_load_done) {
 444
 445                         dev_dbg(dev->dev,
 446                                 "Reloading firmware for XC5000\n");
 447                         status = dops->init(dev->dvb->frontend[0]);
 448                         if (status == 0) {
 449                                 dev->xc_fw_load_done = 1;
 450                                 dev_dbg(dev->dev,
 451                                         "XC5000 firmware download completed\n");
 452                         } else {
 453                                 dev->xc_fw_load_done = 0;
 454                                 dev_dbg(dev->dev,
 455                                         "XC5000 firmware download failed !!!\n");
 456                         }
 457                 }
 458
 459         }
 460
 461         return status;
 462 }
 463
 464 /* ------------------------------------------------------------------ */
 465
 466 static int register_dvb(struct cx231xx_dvb *dvb,
 467                         struct module *module,
 468                         struct cx231xx *dev, struct device *device)
 469 {
 470         int result;
 471
 472         mutex_init(&dvb->lock);
 473
 474
 475         /* register adapter */
 476         result = dvb_register_adapter(&dvb->adapter, dev->name, module, device,
 477                                       adapter_nr);
 478         if (result < 0) {
 479                 dev_warn(dev->dev,
 480                        "%s: dvb_register_adapter failed (errno = %d)\n",
 481                        dev->name, result);
 482                 goto fail_adapter;
 483         }
 484         dvb_register_media_controller(&dvb->adapter, dev->media_dev);
 485
 486         /* Ensure all frontends negotiate bus access */
 487         dvb->frontend[0]->ops.ts_bus_ctrl = cx231xx_dvb_bus_ctrl;
 488         if (dvb->frontend[1])
 489                 dvb->frontend[1]->ops.ts_bus_ctrl = cx231xx_dvb_bus_ctrl;
 490
 491         dvb->adapter.priv = dev;
 492
 493         /* register frontend */
 494         result = dvb_register_frontend(&dvb->adapter, dvb->frontend[0]);
 495         if (result < 0) {
 496                 dev_warn(dev->dev,
 497                        "%s: dvb_register_frontend failed (errno = %d)\n",
 498                        dev->name, result);
 499                 goto fail_frontend0;
 500         }
 501
 502         if (dvb->frontend[1]) {
 503                 result = dvb_register_frontend(&dvb->adapter, dvb->frontend[1]);
 504                 if (result < 0) {
 505                         dev_warn(dev->dev,
 506                                  "%s: 2nd dvb_register_frontend failed (errno = %d)\n",
 507                                 dev->name, result);
 508                         goto fail_frontend1;
 509                 }
 510
 511                 /* MFE lock */
 512                 dvb->adapter.mfe_shared = 1;
 513         }
 514
 515         /* register demux stuff */
 516         dvb->demux.dmx.capabilities =
 517             DMX_TS_FILTERING | DMX_SECTION_FILTERING |
 518             DMX_MEMORY_BASED_FILTERING;
 519         dvb->demux.priv = dvb;
 520         dvb->demux.filternum = 256;
 521         dvb->demux.feednum = 256;
 522         dvb->demux.start_feed = start_feed;
 523         dvb->demux.stop_feed = stop_feed;
 524
 525         result = dvb_dmx_init(&dvb->demux);
 526         if (result < 0) {
 527                 dev_warn(dev->dev,
 528                          "%s: dvb_dmx_init failed (errno = %d)\n",
 529                        dev->name, result);
 530                 goto fail_dmx;
 531         }
 532
 533         dvb->dmxdev.filternum = 256;
 534         dvb->dmxdev.demux = &dvb->demux.dmx;
 535         dvb->dmxdev.capabilities = 0;
 536         result = dvb_dmxdev_init(&dvb->dmxdev, &dvb->adapter);
 537         if (result < 0) {
 538                 dev_warn(dev->dev,
 539                          "%s: dvb_dmxdev_init failed (errno = %d)\n",
 540                          dev->name, result);
 541                 goto fail_dmxdev;
 542         }
 543
 544         dvb->fe_hw.source = DMX_FRONTEND_0;
 545         result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_hw);
 546         if (result < 0) {
 547                 dev_warn(dev->dev,
 548                        "%s: add_frontend failed (DMX_FRONTEND_0, errno = %d)\n",
 549                        dev->name, result);
 550                 goto fail_fe_hw;
 551         }
 552
 553         dvb->fe_mem.source = DMX_MEMORY_FE;
 554         result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_mem);
 555         if (result < 0) {
 556                 dev_warn(dev->dev,
 557                          "%s: add_frontend failed (DMX_MEMORY_FE, errno = %d)\n",
 558                          dev->name, result);
 559                 goto fail_fe_mem;
 560         }
 561
 562         result = dvb->demux.dmx.connect_frontend(&dvb->demux.dmx, &dvb->fe_hw);
 563         if (result < 0) {
 564                 dev_warn(dev->dev,
 565                          "%s: connect_frontend failed (errno = %d)\n",
 566                          dev->name, result);
 567                 goto fail_fe_conn;
 568         }
 569
 570         /* register network adapter */
 571         dvb_net_init(&dvb->adapter, &dvb->net, &dvb->demux.dmx);
 572         result = dvb_create_media_graph(&dvb->adapter,
 573                                         dev->tuner_type == TUNER_ABSENT);
 574         if (result < 0)
 575                 goto fail_create_graph;
 576
 577         return 0;
 578
 579 fail_create_graph:
 580         dvb_net_release(&dvb->net);
 581 fail_fe_conn:
 582         dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem);
 583 fail_fe_mem:
 584         dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw);
 585 fail_fe_hw:
 586         dvb_dmxdev_release(&dvb->dmxdev);
 587 fail_dmxdev:
 588         dvb_dmx_release(&dvb->demux);
 589 fail_dmx:
 590         if (dvb->frontend[1])
 591                 dvb_unregister_frontend(dvb->frontend[1]);
 592         dvb_unregister_frontend(dvb->frontend[0]);
 593 fail_frontend1:
 594         if (dvb->frontend[1])
 595                 dvb_frontend_detach(dvb->frontend[1]);
 596 fail_frontend0:
 597         dvb_frontend_detach(dvb->frontend[0]);
 598         dvb_unregister_adapter(&dvb->adapter);
 599 fail_adapter:
 600         return result;
 601 }
 602
 603 static void unregister_dvb(struct cx231xx_dvb *dvb)
 604 {
 605         dvb_net_release(&dvb->net);
 606         dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem);
 607         dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw);
 608         dvb_dmxdev_release(&dvb->dmxdev);
 609         dvb_dmx_release(&dvb->demux);
 610         if (dvb->frontend[1])
 611                 dvb_unregister_frontend(dvb->frontend[1]);
 612         dvb_unregister_frontend(dvb->frontend[0]);
 613         if (dvb->frontend[1])
 614                 dvb_frontend_detach(dvb->frontend[1]);
 615         dvb_frontend_detach(dvb->frontend[0]);
 616         dvb_unregister_adapter(&dvb->adapter);
 617
 618         /* remove I2C tuner */
 619         dvb_module_release(dvb->i2c_client_tuner);
 620         dvb->i2c_client_tuner = NULL;
 621         /* remove I2C demod(s) */
 622         dvb_module_release(dvb->i2c_client_demod[1]);
 623         dvb->i2c_client_demod[1] = NULL;
 624         dvb_module_release(dvb->i2c_client_demod[0]);
 625         dvb->i2c_client_demod[0] = NULL;
 626 }
 627
 628 static int dvb_init(struct cx231xx *dev)
 629 {
 630         int result;
 631         struct cx231xx_dvb *dvb;
 632         struct i2c_adapter *tuner_i2c;
 633         struct i2c_adapter *demod_i2c;
 634         struct i2c_client *client;
 635         struct i2c_adapter *adapter;
 636
 637         if (!dev->board.has_dvb) {
 638                 /* This device does not support the extension */
 639                 return 0;
 640         }
 641
 642         dvb = kzalloc(sizeof(struct cx231xx_dvb), GFP_KERNEL);
 643
 644         if (dvb == NULL) {
 645                 dev_info(dev->dev,
 646                          "cx231xx_dvb: memory allocation failed\n");
 647                 return -ENOMEM;
 648         }
 649         dev->dvb = dvb;
 650         dev->cx231xx_set_analog_freq = cx231xx_set_analog_freq;
 651         dev->cx231xx_reset_analog_tuner = cx231xx_reset_analog_tuner;
 652
 653         tuner_i2c = cx231xx_get_i2c_adap(dev, dev->board.tuner_i2c_master);
 654         demod_i2c = cx231xx_get_i2c_adap(dev, dev->board.demod_i2c_master);
 655         mutex_lock(&dev->lock);
 656         cx231xx_set_mode(dev, CX231XX_DIGITAL_MODE);
 657         cx231xx_demod_reset(dev);
 658         /* init frontend */
 659         switch (dev->model) {
 660         case CX231XX_BOARD_CNXT_CARRAERA:
 661         case CX231XX_BOARD_CNXT_RDE_250:
 662
 663                 dev->dvb->frontend[0] = dvb_attach(s5h1432_attach,
 664                                         &dvico_s5h1432_config,
 665                                         demod_i2c);
 666
 667                 if (!dev->dvb->frontend[0]) {
 668                         dev_err(dev->dev,
 669                                 "Failed to attach s5h1432 front end\n");
 670                         result = -EINVAL;
 671                         goto out_free;
 672                 }
 673
 674                 /* define general-purpose callback pointer */
 675                 dvb->frontend[0]->callback = cx231xx_tuner_callback;
 676
 677                 if (!dvb_attach(xc5000_attach, dev->dvb->frontend[0],
 678                                tuner_i2c,
 679                                &cnxt_rde250_tunerconfig)) {
 680                         result = -EINVAL;
 681                         goto out_free;
 682                 }
 683
 684                 break;
 685         case CX231XX_BOARD_CNXT_SHELBY:
 686         case CX231XX_BOARD_CNXT_RDU_250:
 687
 688                 dev->dvb->frontend[0] = dvb_attach(s5h1411_attach,
 689                                                &xc5000_s5h1411_config,
 690                                                demod_i2c);
 691
 692                 if (!dev->dvb->frontend[0]) {
 693                         dev_err(dev->dev,
 694                                 "Failed to attach s5h1411 front end\n");
 695                         result = -EINVAL;
 696                         goto out_free;
 697                 }
 698
 699                 /* define general-purpose callback pointer */
 700                 dvb->frontend[0]->callback = cx231xx_tuner_callback;
 701
 702                 if (!dvb_attach(xc5000_attach, dev->dvb->frontend[0],
 703                                tuner_i2c,
 704                                &cnxt_rdu250_tunerconfig)) {
 705                         result = -EINVAL;
 706                         goto out_free;
 707                 }
 708                 break;
 709         case CX231XX_BOARD_CNXT_RDE_253S:
 710
 711                 dev->dvb->frontend[0] = dvb_attach(s5h1432_attach,
 712                                         &dvico_s5h1432_config,
 713                                         demod_i2c);
 714
 715                 if (!dev->dvb->frontend[0]) {
 716                         dev_err(dev->dev,
 717                                 "Failed to attach s5h1432 front end\n");
 718                         result = -EINVAL;
 719                         goto out_free;
 720                 }
 721
 722                 /* define general-purpose callback pointer */
 723                 dvb->frontend[0]->callback = cx231xx_tuner_callback;
 724
 725                 if (!dvb_attach(tda18271_attach, dev->dvb->frontend[0],
 726                                dev->board.tuner_addr, tuner_i2c,
 727                                &cnxt_rde253s_tunerconfig)) {
 728                         result = -EINVAL;
 729                         goto out_free;
 730                 }
 731                 break;
 732         case CX231XX_BOARD_CNXT_RDU_253S:
 733         case CX231XX_BOARD_KWORLD_UB445_USB_HYBRID:
 734
 735                 dev->dvb->frontend[0] = dvb_attach(s5h1411_attach,
 736                                                &tda18271_s5h1411_config,
 737                                                demod_i2c);
 738
 739                 if (!dev->dvb->frontend[0]) {
 740                         dev_err(dev->dev,
 741                                 "Failed to attach s5h1411 front end\n");
 742                         result = -EINVAL;
 743                         goto out_free;
 744                 }
 745
 746                 /* define general-purpose callback pointer */
 747                 dvb->frontend[0]->callback = cx231xx_tuner_callback;
 748
 749                 if (!dvb_attach(tda18271_attach, dev->dvb->frontend[0],
 750                                dev->board.tuner_addr, tuner_i2c,
 751                                &cnxt_rde253s_tunerconfig)) {
 752                         result = -EINVAL;
 753                         goto out_free;
 754                 }
 755                 break;
 756         case CX231XX_BOARD_HAUPPAUGE_EXETER:
 757
 758                 dev_info(dev->dev,
 759                          "%s: looking for tuner / demod on i2c bus: %d\n",
 760                        __func__, i2c_adapter_id(tuner_i2c));
 761
 762                 dev->dvb->frontend[0] = dvb_attach(lgdt3305_attach,
 763                                                 &hcw_lgdt3305_config,
 764                                                 demod_i2c);
 765
 766                 if (!dev->dvb->frontend[0]) {
 767                         dev_err(dev->dev,
 768                                 "Failed to attach LG3305 front end\n");
 769                         result = -EINVAL;
 770                         goto out_free;
 771                 }
 772
 773                 /* define general-purpose callback pointer */
 774                 dvb->frontend[0]->callback = cx231xx_tuner_callback;
 775
 776                 dvb_attach(tda18271_attach, dev->dvb->frontend[0],
 777                            dev->board.tuner_addr, tuner_i2c,
 778                            &hcw_tda18271_config);
 779                 break;
 780
 781         case CX231XX_BOARD_HAUPPAUGE_930C_HD_1113xx:
 782         {
 783                 struct si2165_platform_data si2165_pdata = {};
 784
 785                 /* attach demod */
 786                 si2165_pdata.fe = &dev->dvb->frontend[0];
 787                 si2165_pdata.chip_mode = SI2165_MODE_PLL_XTAL;
 788                 si2165_pdata.ref_freq_hz = 16000000;
 789
 790                 /* perform probe/init/attach */
 791                 client = dvb_module_probe("si2165", NULL, demod_i2c,
 792                                                 dev->board.demod_addr,
 793                                                 &si2165_pdata);
 794                 if (!client) {
 795                         result = -ENODEV;
 796                         goto out_free;
 797                 }
 798                 dvb->i2c_client_demod[0] = client;
 799
 800                 dev->dvb->frontend[0]->ops.i2c_gate_ctrl = NULL;
 801
 802                 /* define general-purpose callback pointer */
 803                 dvb->frontend[0]->callback = cx231xx_tuner_callback;
 804
 805                 dvb_attach(tda18271_attach, dev->dvb->frontend[0],
 806                         dev->board.tuner_addr, tuner_i2c,
 807                         &hcw_tda18271_config);
 808
 809                 dev->cx231xx_reset_analog_tuner = NULL;
 810                 break;
 811         }
 812         case CX231XX_BOARD_HAUPPAUGE_930C_HD_1114xx:
 813         {
 814                 struct si2165_platform_data si2165_pdata = {};
 815                 struct si2157_config si2157_config = {};
 816
 817                 /* attach demod */
 818                 si2165_pdata.fe = &dev->dvb->frontend[0];
 819                 si2165_pdata.chip_mode = SI2165_MODE_PLL_EXT;
 820                 si2165_pdata.ref_freq_hz = 24000000;
 821
 822                 /* perform probe/init/attach */
 823                 client = dvb_module_probe("si2165", NULL, demod_i2c,
 824                                                 dev->board.demod_addr,
 825                                                 &si2165_pdata);
 826                 if (!client) {
 827                         result = -ENODEV;
 828                         goto out_free;
 829                 }
 830                 dvb->i2c_client_demod[0] = client;
 831
 832                 dev->dvb->frontend[0]->ops.i2c_gate_ctrl = NULL;
 833
 834                 /* define general-purpose callback pointer */
 835                 dvb->frontend[0]->callback = cx231xx_tuner_callback;
 836
 837                 /* attach tuner */
 838                 si2157_config.fe = dev->dvb->frontend[0];
 839 #ifdef CONFIG_MEDIA_CONTROLLER_DVB
 840                 si2157_config.mdev = dev->media_dev;
 841 #endif
 842                 si2157_config.if_port = 1;
 843                 si2157_config.inversion = true;
 844
 845                 /* perform probe/init/attach */
 846                 client = dvb_module_probe("si2157", NULL, tuner_i2c,
 847                                                 dev->board.tuner_addr,
 848                                                 &si2157_config);
 849                 if (!client) {
 850                         result = -ENODEV;
 851                         goto out_free;
 852                 }
 853                 dev->cx231xx_reset_analog_tuner = NULL;
 854
 855                 dev->dvb->i2c_client_tuner = client;
 856                 break;
 857         }
 858         case CX231XX_BOARD_HAUPPAUGE_955Q:
 859         {
 860                 struct si2157_config si2157_config = {};
 861                 struct lgdt3306a_config lgdt3306a_config = {};
 862
 863                 lgdt3306a_config = hauppauge_955q_lgdt3306a_config;
 864                 lgdt3306a_config.fe = &dev->dvb->frontend[0];
 865                 lgdt3306a_config.i2c_adapter = &adapter;
 866
 867                 /* perform probe/init/attach */
 868                 client = dvb_module_probe("lgdt3306a", NULL, demod_i2c,
 869                                                 dev->board.demod_addr,
 870                                                 &lgdt3306a_config);
 871                 if (!client) {
 872                         result = -ENODEV;
 873                         goto out_free;
 874                 }
 875                 dvb->i2c_client_demod[0] = client;
 876
 877                 dev->dvb->frontend[0]->ops.i2c_gate_ctrl = NULL;
 878
 879                 /* define general-purpose callback pointer */
 880                 dvb->frontend[0]->callback = cx231xx_tuner_callback;
 881
 882                 /* attach tuner */
 883                 si2157_config.fe = dev->dvb->frontend[0];
 884 #ifdef CONFIG_MEDIA_CONTROLLER_DVB
 885                 si2157_config.mdev = dev->media_dev;
 886 #endif
 887                 si2157_config.if_port = 1;
 888                 si2157_config.inversion = true;
 889
 890                 /* perform probe/init/attach */
 891                 client = dvb_module_probe("si2157", NULL, tuner_i2c,
 892                                                 dev->board.tuner_addr,
 893                                                 &si2157_config);
 894                 if (!client) {
 895                         result = -ENODEV;
 896                         goto out_free;
 897                 }
 898                 dev->cx231xx_reset_analog_tuner = NULL;
 899
 900                 dev->dvb->i2c_client_tuner = client;
 901                 break;
 902         }
 903         case CX231XX_BOARD_PV_PLAYTV_USB_HYBRID:
 904         case CX231XX_BOARD_KWORLD_UB430_USB_HYBRID:
 905
 906                 dev_info(dev->dev,
 907                          "%s: looking for demod on i2c bus: %d\n",
 908                          __func__, i2c_adapter_id(tuner_i2c));
 909
 910                 dev->dvb->frontend[0] = dvb_attach(mb86a20s_attach,
 911                                                 &pv_mb86a20s_config,
 912                                                 demod_i2c);
 913
 914                 if (!dev->dvb->frontend[0]) {
 915                         dev_err(dev->dev,
 916                                 "Failed to attach mb86a20s demod\n");
 917                         result = -EINVAL;
 918                         goto out_free;
 919                 }
 920
 921                 /* define general-purpose callback pointer */
 922                 dvb->frontend[0]->callback = cx231xx_tuner_callback;
 923
 924                 dvb_attach(tda18271_attach, dev->dvb->frontend[0],
 925                            dev->board.tuner_addr, tuner_i2c,
 926                            &pv_tda18271_config);
 927                 break;
 928
 929         case CX231XX_BOARD_EVROMEDIA_FULL_HYBRID_FULLHD:
 930         {
 931                 struct si2157_config si2157_config = {};
 932                 struct si2168_config si2168_config = {};
 933
 934                 /* attach demodulator chip */
 935                 si2168_config.ts_mode = SI2168_TS_SERIAL; /* from *.inf file */
 936                 si2168_config.fe = &dev->dvb->frontend[0];
 937                 si2168_config.i2c_adapter = &adapter;
 938                 si2168_config.ts_clock_inv = true;
 939
 940                 /* perform probe/init/attach */
 941                 client = dvb_module_probe("si2168", NULL, demod_i2c,
 942                                                 dev->board.demod_addr,
 943                                                 &si2168_config);
 944                 if (!client) {
 945                         result = -ENODEV;
 946                         goto out_free;
 947                 }
 948                 dvb->i2c_client_demod[0] = client;
 949
 950                 /* attach tuner chip */
 951                 si2157_config.fe = dev->dvb->frontend[0];
 952 #ifdef CONFIG_MEDIA_CONTROLLER_DVB
 953                 si2157_config.mdev = dev->media_dev;
 954 #endif
 955                 si2157_config.if_port = 1;
 956                 si2157_config.inversion = false;
 957
 958                 /* perform probe/init/attach */
 959                 client = dvb_module_probe("si2157", NULL, tuner_i2c,
 960                                                 dev->board.tuner_addr,
 961                                                 &si2157_config);
 962                 if (!client) {
 963                         result = -ENODEV;
 964                         goto out_free;
 965                 }
 966                 dev->cx231xx_reset_analog_tuner = NULL;
 967                 dev->dvb->i2c_client_tuner = client;
 968                 break;
 969         }
 970         case CX231XX_BOARD_ASTROMETA_T2HYBRID:
 971         {
 972                 struct mn88473_config mn88473_config = {};
 973
 974                 /* attach demodulator chip */
 975                 mn88473_config.i2c_wr_max = 16;
 976                 mn88473_config.xtal = 25000000;
 977                 mn88473_config.fe = &dev->dvb->frontend[0];
 978
 979                 /* perform probe/init/attach */
 980                 client = dvb_module_probe("mn88473", NULL, demod_i2c,
 981                                                 dev->board.demod_addr,
 982                                                 &mn88473_config);
 983                 if (!client) {
 984                         result = -ENODEV;
 985                         goto out_free;
 986                 }
 987                 dvb->i2c_client_demod[0] = client;
 988
 989                 /* define general-purpose callback pointer */
 990                 dvb->frontend[0]->callback = cx231xx_tuner_callback;
 991
 992                 /* attach tuner chip */
 993                 dvb_attach(r820t_attach, dev->dvb->frontend[0],
 994                            tuner_i2c,
 995                            &astrometa_t2hybrid_r820t_config);
 996                 break;
 997         }
 998         case CX231XX_BOARD_HAUPPAUGE_935C:
 999         {
1000                 struct si2157_config si2157_config = {};
1001                 struct si2168_config si2168_config = {};
1002
1003                 /* attach demodulator chip */
1004                 si2168_config.ts_mode = SI2168_TS_SERIAL;
1005                 si2168_config.fe = &dev->dvb->frontend[0];
1006                 si2168_config.i2c_adapter = &adapter;
1007                 si2168_config.ts_clock_inv = true;
1008
1009                 /* perform probe/init/attach */
1010                 client = dvb_module_probe("si2168", NULL, demod_i2c,
1011                                                 dev->board.demod_addr,
1012                                                 &si2168_config);
1013                 if (!client) {
1014                         result = -ENODEV;
1015                         goto out_free;
1016                 }
1017                 dvb->i2c_client_demod[0] = client;
1018                 dev->dvb->frontend[0]->ops.i2c_gate_ctrl = NULL;
1019
1020                 /* define general-purpose callback pointer */
1021                 dvb->frontend[0]->callback = cx231xx_tuner_callback;
1022
1023                 /* attach tuner */
1024                 si2157_config.fe = dev->dvb->frontend[0];
1025 #ifdef CONFIG_MEDIA_CONTROLLER_DVB
1026                 si2157_config.mdev = dev->media_dev;
1027 #endif
1028                 si2157_config.if_port = 1;
1029                 si2157_config.inversion = true;
1030
1031                 /* perform probe/init/attach */
1032                 client = dvb_module_probe("si2157", NULL, tuner_i2c,
1033                                                 dev->board.tuner_addr,
1034                                                 &si2157_config);
1035                 if (!client) {
1036                         result = -ENODEV;
1037                         goto out_free;
1038                 }
1039                 dev->cx231xx_reset_analog_tuner = NULL;
1040                 dev->dvb->i2c_client_tuner = client;
1041                 break;
1042         }
1043         case CX231XX_BOARD_HAUPPAUGE_975:
1044         {
1045                 struct i2c_adapter *adapter2;
1046                 struct si2157_config si2157_config = {};
1047                 struct lgdt3306a_config lgdt3306a_config = {};
1048                 struct si2168_config si2168_config = {};
1049
1050                 /* attach first demodulator chip */
1051                 lgdt3306a_config = hauppauge_955q_lgdt3306a_config;
1052                 lgdt3306a_config.fe = &dev->dvb->frontend[0];
1053                 lgdt3306a_config.i2c_adapter = &adapter;
1054
1055                 /* perform probe/init/attach */
1056                 client = dvb_module_probe("lgdt3306a", NULL, demod_i2c,
1057                                                 dev->board.demod_addr,
1058                                                 &lgdt3306a_config);
1059                 if (!client) {
1060                         result = -ENODEV;
1061                         goto out_free;
1062                 }
1063                 dvb->i2c_client_demod[0] = client;
1064
1065                 /* attach second demodulator chip */
1066                 si2168_config.ts_mode = SI2168_TS_SERIAL;
1067                 si2168_config.fe = &dev->dvb->frontend[1];
1068                 si2168_config.i2c_adapter = &adapter2;
1069                 si2168_config.ts_clock_inv = true;
1070
1071                 /* perform probe/init/attach */
1072                 client = dvb_module_probe("si2168", NULL, adapter,
1073                                                 dev->board.demod_addr2,
1074                                                 &si2168_config);
1075                 if (!client) {
1076                         result = -ENODEV;
1077                         goto out_free;
1078                 }
1079                 dvb->i2c_client_demod[1] = client;
1080                 dvb->frontend[1]->id = 1;
1081
1082                 /* define general-purpose callback pointer */
1083                 dvb->frontend[0]->callback = cx231xx_tuner_callback;
1084                 dvb->frontend[1]->callback = cx231xx_tuner_callback;
1085
1086                 /* attach tuner */
1087                 si2157_config.fe = dev->dvb->frontend[0];
1088 #ifdef CONFIG_MEDIA_CONTROLLER_DVB
1089                 si2157_config.mdev = dev->media_dev;
1090 #endif
1091                 si2157_config.if_port = 1;
1092                 si2157_config.inversion = true;
1093
1094                 /* perform probe/init/attach */
1095                 client = dvb_module_probe("si2157", NULL, adapter,
1096                                                 dev->board.tuner_addr,
1097                                                 &si2157_config);
1098                 if (!client) {
1099                         result = -ENODEV;
1100                         goto out_free;
1101                 }
1102                 dev->cx231xx_reset_analog_tuner = NULL;
1103                 dvb->i2c_client_tuner = client;
1104
1105                 dvb->frontend[1]->tuner_priv = dvb->frontend[0]->tuner_priv;
1106
1107                 memcpy(&dvb->frontend[1]->ops.tuner_ops,
1108                         &dvb->frontend[0]->ops.tuner_ops,
1109                         sizeof(struct dvb_tuner_ops));
1110                 break;
1111         }
1112         default:
1113                 dev_err(dev->dev,
1114                         "%s/2: The frontend of your DVB/ATSC card isn't supported yet\n",
1115                         dev->name);
1116                 break;
1117         }
1118         if (!dvb->frontend[0]) {
1119                 dev_err(dev->dev,
1120                        "%s/2: frontend initialization failed\n", dev->name);
1121                 result = -EINVAL;
1122                 goto out_free;
1123         }
1124
1125         /* register everything */
1126         result = register_dvb(dvb, THIS_MODULE, dev, dev->dev);
1127
1128         if (result < 0)
1129                 goto out_free;
1130
1131
1132         dev_info(dev->dev, "Successfully loaded cx231xx-dvb\n");
1133
1134 ret:
1135         cx231xx_set_mode(dev, CX231XX_SUSPEND);
1136         mutex_unlock(&dev->lock);
1137         return result;
1138
1139 out_free:
1140         /* remove I2C tuner */
1141         dvb_module_release(dvb->i2c_client_tuner);
1142         dvb->i2c_client_tuner = NULL;
1143         /* remove I2C demod(s) */
1144         dvb_module_release(dvb->i2c_client_demod[1]);
1145         dvb->i2c_client_demod[1] = NULL;
1146         dvb_module_release(dvb->i2c_client_demod[0]);
1147         dvb->i2c_client_demod[0] = NULL;
1148         kfree(dvb);
1149         dev->dvb = NULL;
1150         goto ret;
1151 }
1152
1153 static int dvb_fini(struct cx231xx *dev)
1154 {
1155         if (!dev->board.has_dvb) {
1156                 /* This device does not support the extension */
1157                 return 0;
1158         }
1159
1160         if (dev->dvb) {
1161                 unregister_dvb(dev->dvb);
1162                 dev->dvb = NULL;
1163         }
1164
1165         return 0;
1166 }
1167
1168 static struct cx231xx_ops dvb_ops = {
1169         .id = CX231XX_DVB,
1170         .name = "Cx231xx dvb Extension",
1171         .init = dvb_init,
1172         .fini = dvb_fini,
1173 };
1174
1175 static int __init cx231xx_dvb_register(void)
1176 {
1177         return cx231xx_register_extension(&dvb_ops);
1178 }
1179
1180 static void __exit cx231xx_dvb_unregister(void)
1181 {
1182         cx231xx_unregister_extension(&dvb_ops);
1183 }
1184
1185 module_init(cx231xx_dvb_register);
1186 module_exit(cx231xx_dvb_unregister);