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/v4l2-common.h>
  27 #include <media/videobuf-vmalloc.h>
  28
  29 #include "xc5000.h"
  30 #include "s5h1432.h"
  31 #include "tda18271.h"
  32 #include "s5h1411.h"
  33 #include "lgdt3305.h"
  34 #include "si2165.h"
  35 #include "mb86a20s.h"
  36 #include "si2157.h"
  37
  38 MODULE_DESCRIPTION("driver for cx231xx based DVB cards");
  39 MODULE_AUTHOR("Srinivasa Deevi <srinivasa.deevi@conexant.com>");
  40 MODULE_LICENSE("GPL");
  41
  42 static unsigned int debug;
  43 module_param(debug, int, 0644);
  44 MODULE_PARM_DESC(debug, "enable debug messages [dvb]");
  45
  46 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
  47
  48 #define dprintk(level, fmt, arg...) do {                        \
  49 if (debug >= level)                                             \
  50         printk(KERN_DEBUG "%s/2-dvb: " fmt, dev->name, ## arg); \
  51 } while (0)
  52
  53 #define CX231XX_DVB_NUM_BUFS 5
  54 #define CX231XX_DVB_MAX_PACKETSIZE 564
  55 #define CX231XX_DVB_MAX_PACKETS 64
  56
  57 struct cx231xx_dvb {
  58         struct dvb_frontend *frontend;
  59
  60         /* feed count management */
  61         struct mutex lock;
  62         int nfeeds;
  63
  64         /* general boilerplate stuff */
  65         struct dvb_adapter adapter;
  66         struct dvb_demux demux;
  67         struct dmxdev dmxdev;
  68         struct dmx_frontend fe_hw;
  69         struct dmx_frontend fe_mem;
  70         struct dvb_net net;
  71         struct i2c_client *i2c_client_tuner;
  72 };
  73
  74 static struct s5h1432_config dvico_s5h1432_config = {
  75         .output_mode   = S5H1432_SERIAL_OUTPUT,
  76         .gpio          = S5H1432_GPIO_ON,
  77         .qam_if        = S5H1432_IF_4000,
  78         .vsb_if        = S5H1432_IF_4000,
  79         .inversion     = S5H1432_INVERSION_OFF,
  80         .status_mode   = S5H1432_DEMODLOCKING,
  81         .mpeg_timing   = S5H1432_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK,
  82 };
  83
  84 static struct tda18271_std_map cnxt_rde253s_tda18271_std_map = {
  85         .dvbt_6   = { .if_freq = 4000, .agc_mode = 3, .std = 4,
  86                       .if_lvl = 1, .rfagc_top = 0x37, },
  87         .dvbt_7   = { .if_freq = 4000, .agc_mode = 3, .std = 5,
  88                       .if_lvl = 1, .rfagc_top = 0x37, },
  89         .dvbt_8   = { .if_freq = 4000, .agc_mode = 3, .std = 6,
  90                       .if_lvl = 1, .rfagc_top = 0x37, },
  91 };
  92
  93 static struct tda18271_std_map mb86a20s_tda18271_config = {
  94         .dvbt_6   = { .if_freq = 4000, .agc_mode = 3, .std = 4,
  95                       .if_lvl = 0, .rfagc_top = 0x37, },
  96 };
  97
  98 static struct tda18271_config cnxt_rde253s_tunerconfig = {
  99         .std_map = &cnxt_rde253s_tda18271_std_map,
 100         .gate    = TDA18271_GATE_ANALOG,
 101 };
 102
 103 static struct s5h1411_config tda18271_s5h1411_config = {
 104         .output_mode   = S5H1411_SERIAL_OUTPUT,
 105         .gpio          = S5H1411_GPIO_OFF,
 106         .vsb_if        = S5H1411_IF_3250,
 107         .qam_if        = S5H1411_IF_4000,
 108         .inversion     = S5H1411_INVERSION_ON,
 109         .status_mode   = S5H1411_DEMODLOCKING,
 110         .mpeg_timing   = S5H1411_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK,
 111 };
 112 static struct s5h1411_config xc5000_s5h1411_config = {
 113         .output_mode   = S5H1411_SERIAL_OUTPUT,
 114         .gpio          = S5H1411_GPIO_OFF,
 115         .vsb_if        = S5H1411_IF_3250,
 116         .qam_if        = S5H1411_IF_3250,
 117         .inversion     = S5H1411_INVERSION_OFF,
 118         .status_mode   = S5H1411_DEMODLOCKING,
 119         .mpeg_timing   = S5H1411_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK,
 120 };
 121
 122 static struct lgdt3305_config hcw_lgdt3305_config = {
 123         .i2c_addr           = 0x0e,
 124         .mpeg_mode          = LGDT3305_MPEG_SERIAL,
 125         .tpclk_edge         = LGDT3305_TPCLK_FALLING_EDGE,
 126         .tpvalid_polarity   = LGDT3305_TP_VALID_HIGH,
 127         .deny_i2c_rptr      = 1,
 128         .spectral_inversion = 1,
 129         .qam_if_khz         = 4000,
 130         .vsb_if_khz         = 3250,
 131 };
 132
 133 static struct tda18271_std_map hauppauge_tda18271_std_map = {
 134         .atsc_6   = { .if_freq = 3250, .agc_mode = 3, .std = 4,
 135                       .if_lvl = 1, .rfagc_top = 0x58, },
 136         .qam_6    = { .if_freq = 4000, .agc_mode = 3, .std = 5,
 137                       .if_lvl = 1, .rfagc_top = 0x58, },
 138 };
 139
 140 static struct tda18271_config hcw_tda18271_config = {
 141         .std_map = &hauppauge_tda18271_std_map,
 142         .gate    = TDA18271_GATE_DIGITAL,
 143 };
 144
 145 static const struct mb86a20s_config pv_mb86a20s_config = {
 146         .demod_address = 0x10,
 147         .is_serial = true,
 148 };
 149
 150 static struct tda18271_config pv_tda18271_config = {
 151         .std_map = &mb86a20s_tda18271_config,
 152         .gate    = TDA18271_GATE_DIGITAL,
 153         .small_i2c = TDA18271_03_BYTE_CHUNK_INIT,
 154 };
 155
 156 static const struct si2165_config hauppauge_930C_HD_1113xx_si2165_config = {
 157         .i2c_addr       = 0x64,
 158         .chip_mode      = SI2165_MODE_PLL_XTAL,
 159         .ref_freq_Hz    = 16000000,
 160 };
 161
 162 static const struct si2165_config pctv_quatro_stick_1114xx_si2165_config = {
 163         .i2c_addr       = 0x64,
 164         .chip_mode      = SI2165_MODE_PLL_EXT,
 165         .ref_freq_Hz    = 24000000,
 166 };
 167
 168 static inline void print_err_status(struct cx231xx *dev, int packet, int status)
 169 {
 170         char *errmsg = "Unknown";
 171
 172         switch (status) {
 173         case -ENOENT:
 174                 errmsg = "unlinked synchronuously";
 175                 break;
 176         case -ECONNRESET:
 177                 errmsg = "unlinked asynchronuously";
 178                 break;
 179         case -ENOSR:
 180                 errmsg = "Buffer error (overrun)";
 181                 break;
 182         case -EPIPE:
 183                 errmsg = "Stalled (device not responding)";
 184                 break;
 185         case -EOVERFLOW:
 186                 errmsg = "Babble (bad cable?)";
 187                 break;
 188         case -EPROTO:
 189                 errmsg = "Bit-stuff error (bad cable?)";
 190                 break;
 191         case -EILSEQ:
 192                 errmsg = "CRC/Timeout (could be anything)";
 193                 break;
 194         case -ETIME:
 195                 errmsg = "Device does not respond";
 196                 break;
 197         }
 198         if (packet < 0) {
 199                 dprintk(1, "URB status %d [%s].\n", status, errmsg);
 200         } else {
 201                 dprintk(1, "URB packet %d, status %d [%s].\n",
 202                         packet, status, errmsg);
 203         }
 204 }
 205
 206 static inline int dvb_isoc_copy(struct cx231xx *dev, struct urb *urb)
 207 {
 208         int i;
 209
 210         if (!dev)
 211                 return 0;
 212
 213         if (dev->state & DEV_DISCONNECTED)
 214                 return 0;
 215
 216         if (urb->status < 0) {
 217                 print_err_status(dev, -1, urb->status);
 218                 if (urb->status == -ENOENT)
 219                         return 0;
 220         }
 221
 222         for (i = 0; i < urb->number_of_packets; i++) {
 223                 int status = urb->iso_frame_desc[i].status;
 224
 225                 if (status < 0) {
 226                         print_err_status(dev, i, status);
 227                         if (urb->iso_frame_desc[i].status != -EPROTO)
 228                                 continue;
 229                 }
 230
 231                 dvb_dmx_swfilter(&dev->dvb->demux,
 232                                  urb->transfer_buffer +
 233                                 urb->iso_frame_desc[i].offset,
 234                                 urb->iso_frame_desc[i].actual_length);
 235         }
 236
 237         return 0;
 238 }
 239
 240 static inline int dvb_bulk_copy(struct cx231xx *dev, struct urb *urb)
 241 {
 242         if (!dev)
 243                 return 0;
 244
 245         if (dev->state & DEV_DISCONNECTED)
 246                 return 0;
 247
 248         if (urb->status < 0) {
 249                 print_err_status(dev, -1, urb->status);
 250                 if (urb->status == -ENOENT)
 251                         return 0;
 252         }
 253
 254         /* Feed the transport payload into the kernel demux */
 255         dvb_dmx_swfilter(&dev->dvb->demux,
 256                 urb->transfer_buffer, urb->actual_length);
 257
 258         return 0;
 259 }
 260
 261 static int start_streaming(struct cx231xx_dvb *dvb)
 262 {
 263         int rc;
 264         struct cx231xx *dev = dvb->adapter.priv;
 265
 266         if (dev->USE_ISO) {
 267                 dev_dbg(&dev->udev->dev, "DVB transfer mode is ISO.\n");
 268                 cx231xx_set_alt_setting(dev, INDEX_TS1, 4);
 269                 rc = cx231xx_set_mode(dev, CX231XX_DIGITAL_MODE);
 270                 if (rc < 0)
 271                         return rc;
 272                 dev->mode_tv = 1;
 273                 return cx231xx_init_isoc(dev, CX231XX_DVB_MAX_PACKETS,
 274                                         CX231XX_DVB_NUM_BUFS,
 275                                         dev->ts1_mode.max_pkt_size,
 276                                         dvb_isoc_copy);
 277         } else {
 278                 dev_dbg(&dev->udev->dev, "DVB transfer mode is BULK.\n");
 279                 cx231xx_set_alt_setting(dev, INDEX_TS1, 0);
 280                 rc = cx231xx_set_mode(dev, CX231XX_DIGITAL_MODE);
 281                 if (rc < 0)
 282                         return rc;
 283                 dev->mode_tv = 1;
 284                 return cx231xx_init_bulk(dev, CX231XX_DVB_MAX_PACKETS,
 285                                         CX231XX_DVB_NUM_BUFS,
 286                                         dev->ts1_mode.max_pkt_size,
 287                                         dvb_bulk_copy);
 288         }
 289
 290 }
 291
 292 static int stop_streaming(struct cx231xx_dvb *dvb)
 293 {
 294         struct cx231xx *dev = dvb->adapter.priv;
 295
 296         if (dev->USE_ISO)
 297                 cx231xx_uninit_isoc(dev);
 298         else
 299                 cx231xx_uninit_bulk(dev);
 300
 301         cx231xx_set_mode(dev, CX231XX_SUSPEND);
 302
 303         return 0;
 304 }
 305
 306 static int start_feed(struct dvb_demux_feed *feed)
 307 {
 308         struct dvb_demux *demux = feed->demux;
 309         struct cx231xx_dvb *dvb = demux->priv;
 310         int rc, ret;
 311
 312         if (!demux->dmx.frontend)
 313                 return -EINVAL;
 314
 315         mutex_lock(&dvb->lock);
 316         dvb->nfeeds++;
 317         rc = dvb->nfeeds;
 318
 319         if (dvb->nfeeds == 1) {
 320                 ret = start_streaming(dvb);
 321                 if (ret < 0)
 322                         rc = ret;
 323         }
 324
 325         mutex_unlock(&dvb->lock);
 326         return rc;
 327 }
 328
 329 static int stop_feed(struct dvb_demux_feed *feed)
 330 {
 331         struct dvb_demux *demux = feed->demux;
 332         struct cx231xx_dvb *dvb = demux->priv;
 333         int err = 0;
 334
 335         mutex_lock(&dvb->lock);
 336         dvb->nfeeds--;
 337
 338         if (0 == dvb->nfeeds)
 339                 err = stop_streaming(dvb);
 340
 341         mutex_unlock(&dvb->lock);
 342         return err;
 343 }
 344
 345 /* ------------------------------------------------------------------ */
 346 static int cx231xx_dvb_bus_ctrl(struct dvb_frontend *fe, int acquire)
 347 {
 348         struct cx231xx *dev = fe->dvb->priv;
 349
 350         if (acquire)
 351                 return cx231xx_set_mode(dev, CX231XX_DIGITAL_MODE);
 352         else
 353                 return cx231xx_set_mode(dev, CX231XX_SUSPEND);
 354 }
 355
 356 /* ------------------------------------------------------------------ */
 357
 358 static struct xc5000_config cnxt_rde250_tunerconfig = {
 359         .i2c_address = 0x61,
 360         .if_khz = 4000,
 361 };
 362 static struct xc5000_config cnxt_rdu250_tunerconfig = {
 363         .i2c_address = 0x61,
 364         .if_khz = 3250,
 365 };
 366
 367 /* ------------------------------------------------------------------ */
 368 #if 0
 369 static int attach_xc5000(u8 addr, struct cx231xx *dev)
 370 {
 371
 372         struct dvb_frontend *fe;
 373         struct xc5000_config cfg;
 374
 375         memset(&cfg, 0, sizeof(cfg));
 376         cfg.i2c_adap = cx231xx_get_i2c_adap(dev, dev->board.tuner_i2c_master);
 377         cfg.i2c_addr = addr;
 378
 379         if (!dev->dvb->frontend) {
 380                 printk(KERN_ERR "%s/2: dvb frontend not attached. "
 381                        "Can't attach xc5000\n", dev->name);
 382                 return -EINVAL;
 383         }
 384
 385         fe = dvb_attach(xc5000_attach, dev->dvb->frontend, &cfg);
 386         if (!fe) {
 387                 printk(KERN_ERR "%s/2: xc5000 attach failed\n", dev->name);
 388                 dvb_frontend_detach(dev->dvb->frontend);
 389                 dev->dvb->frontend = NULL;
 390                 return -EINVAL;
 391         }
 392
 393         printk(KERN_INFO "%s/2: xc5000 attached\n", dev->name);
 394
 395         return 0;
 396 }
 397 #endif
 398
 399 int cx231xx_set_analog_freq(struct cx231xx *dev, u32 freq)
 400 {
 401         if ((dev->dvb != NULL) && (dev->dvb->frontend != NULL)) {
 402
 403                 struct dvb_tuner_ops *dops = &dev->dvb->frontend->ops.tuner_ops;
 404
 405                 if (dops->set_analog_params != NULL) {
 406                         struct analog_parameters params;
 407
 408                         params.frequency = freq;
 409                         params.std = dev->norm;
 410                         params.mode = 0;        /* 0- Air; 1 - cable */
 411                         /*params.audmode = ;       */
 412
 413                         /* Set the analog parameters to set the frequency */
 414                         dops->set_analog_params(dev->dvb->frontend, &params);
 415                 }
 416
 417         }
 418
 419         return 0;
 420 }
 421
 422 int cx231xx_reset_analog_tuner(struct cx231xx *dev)
 423 {
 424         int status = 0;
 425
 426         if ((dev->dvb != NULL) && (dev->dvb->frontend != NULL)) {
 427
 428                 struct dvb_tuner_ops *dops = &dev->dvb->frontend->ops.tuner_ops;
 429
 430                 if (dops->init != NULL && !dev->xc_fw_load_done) {
 431
 432                         dev_dbg(&dev->udev->dev,
 433                                 "Reloading firmware for XC5000\n");
 434                         status = dops->init(dev->dvb->frontend);
 435                         if (status == 0) {
 436                                 dev->xc_fw_load_done = 1;
 437                                 dev_dbg(&dev->udev->dev,
 438                                         "XC5000 firmware download completed\n");
 439                         } else {
 440                                 dev->xc_fw_load_done = 0;
 441                                 dev_dbg(&dev->udev->dev,
 442                                         "XC5000 firmware download failed !!!\n");
 443                         }
 444                 }
 445
 446         }
 447
 448         return status;
 449 }
 450
 451 /* ------------------------------------------------------------------ */
 452
 453 static int register_dvb(struct cx231xx_dvb *dvb,
 454                         struct module *module,
 455                         struct cx231xx *dev, struct device *device)
 456 {
 457         int result;
 458
 459         mutex_init(&dvb->lock);
 460
 461         /* register adapter */
 462         result = dvb_register_adapter(&dvb->adapter, dev->name, module, device,
 463                                       adapter_nr);
 464         if (result < 0) {
 465                 printk(KERN_WARNING
 466                        "%s: dvb_register_adapter failed (errno = %d)\n",
 467                        dev->name, result);
 468                 goto fail_adapter;
 469         }
 470
 471         /* Ensure all frontends negotiate bus access */
 472         dvb->frontend->ops.ts_bus_ctrl = cx231xx_dvb_bus_ctrl;
 473
 474         dvb->adapter.priv = dev;
 475
 476         /* register frontend */
 477         result = dvb_register_frontend(&dvb->adapter, dvb->frontend);
 478         if (result < 0) {
 479                 printk(KERN_WARNING
 480                        "%s: dvb_register_frontend failed (errno = %d)\n",
 481                        dev->name, result);
 482                 goto fail_frontend;
 483         }
 484
 485         /* register demux stuff */
 486         dvb->demux.dmx.capabilities =
 487             DMX_TS_FILTERING | DMX_SECTION_FILTERING |
 488             DMX_MEMORY_BASED_FILTERING;
 489         dvb->demux.priv = dvb;
 490         dvb->demux.filternum = 256;
 491         dvb->demux.feednum = 256;
 492         dvb->demux.start_feed = start_feed;
 493         dvb->demux.stop_feed = stop_feed;
 494
 495         result = dvb_dmx_init(&dvb->demux);
 496         if (result < 0) {
 497                 printk(KERN_WARNING "%s: dvb_dmx_init failed (errno = %d)\n",
 498                        dev->name, result);
 499                 goto fail_dmx;
 500         }
 501
 502         dvb->dmxdev.filternum = 256;
 503         dvb->dmxdev.demux = &dvb->demux.dmx;
 504         dvb->dmxdev.capabilities = 0;
 505         result = dvb_dmxdev_init(&dvb->dmxdev, &dvb->adapter);
 506         if (result < 0) {
 507                 printk(KERN_WARNING "%s: dvb_dmxdev_init failed (errno = %d)\n",
 508                        dev->name, result);
 509                 goto fail_dmxdev;
 510         }
 511
 512         dvb->fe_hw.source = DMX_FRONTEND_0;
 513         result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_hw);
 514         if (result < 0) {
 515                 printk(KERN_WARNING
 516                        "%s: add_frontend failed (DMX_FRONTEND_0, errno = %d)\n",
 517                        dev->name, result);
 518                 goto fail_fe_hw;
 519         }
 520
 521         dvb->fe_mem.source = DMX_MEMORY_FE;
 522         result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_mem);
 523         if (result < 0) {
 524                 printk(KERN_WARNING
 525                        "%s: add_frontend failed (DMX_MEMORY_FE, errno = %d)\n",
 526                        dev->name, result);
 527                 goto fail_fe_mem;
 528         }
 529
 530         result = dvb->demux.dmx.connect_frontend(&dvb->demux.dmx, &dvb->fe_hw);
 531         if (result < 0) {
 532                 printk(KERN_WARNING
 533                        "%s: connect_frontend failed (errno = %d)\n", dev->name,
 534                        result);
 535                 goto fail_fe_conn;
 536         }
 537
 538         /* register network adapter */
 539         dvb_net_init(&dvb->adapter, &dvb->net, &dvb->demux.dmx);
 540         return 0;
 541
 542 fail_fe_conn:
 543         dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem);
 544 fail_fe_mem:
 545         dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw);
 546 fail_fe_hw:
 547         dvb_dmxdev_release(&dvb->dmxdev);
 548 fail_dmxdev:
 549         dvb_dmx_release(&dvb->demux);
 550 fail_dmx:
 551         dvb_unregister_frontend(dvb->frontend);
 552 fail_frontend:
 553         dvb_frontend_detach(dvb->frontend);
 554         dvb_unregister_adapter(&dvb->adapter);
 555 fail_adapter:
 556         return result;
 557 }
 558
 559 static void unregister_dvb(struct cx231xx_dvb *dvb)
 560 {
 561         struct i2c_client *client;
 562         dvb_net_release(&dvb->net);
 563         dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem);
 564         dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw);
 565         dvb_dmxdev_release(&dvb->dmxdev);
 566         dvb_dmx_release(&dvb->demux);
 567         client = dvb->i2c_client_tuner;
 568         /* remove I2C tuner */
 569         if (client) {
 570                 module_put(client->dev.driver->owner);
 571                 i2c_unregister_device(client);
 572         }
 573         dvb_unregister_frontend(dvb->frontend);
 574         dvb_frontend_detach(dvb->frontend);
 575         dvb_unregister_adapter(&dvb->adapter);
 576 }
 577
 578 static int dvb_init(struct cx231xx *dev)
 579 {
 580         int result = 0;
 581         struct cx231xx_dvb *dvb;
 582         struct i2c_adapter *tuner_i2c;
 583         struct i2c_adapter *demod_i2c;
 584
 585         if (!dev->board.has_dvb) {
 586                 /* This device does not support the extension */
 587                 return 0;
 588         }
 589
 590         dvb = kzalloc(sizeof(struct cx231xx_dvb), GFP_KERNEL);
 591
 592         if (dvb == NULL) {
 593                 printk(KERN_INFO "cx231xx_dvb: memory allocation failed\n");
 594                 return -ENOMEM;
 595         }
 596         dev->dvb = dvb;
 597         dev->cx231xx_set_analog_freq = cx231xx_set_analog_freq;
 598         dev->cx231xx_reset_analog_tuner = cx231xx_reset_analog_tuner;
 599
 600         tuner_i2c = cx231xx_get_i2c_adap(dev, dev->board.tuner_i2c_master);
 601         demod_i2c = cx231xx_get_i2c_adap(dev, dev->board.demod_i2c_master);
 602         mutex_lock(&dev->lock);
 603         cx231xx_set_mode(dev, CX231XX_DIGITAL_MODE);
 604         cx231xx_demod_reset(dev);
 605         /* init frontend */
 606         switch (dev->model) {
 607         case CX231XX_BOARD_CNXT_CARRAERA:
 608         case CX231XX_BOARD_CNXT_RDE_250:
 609
 610                 dev->dvb->frontend = dvb_attach(s5h1432_attach,
 611                                         &dvico_s5h1432_config,
 612                                         demod_i2c);
 613
 614                 if (dev->dvb->frontend == NULL) {
 615                         printk(DRIVER_NAME
 616                                ": Failed to attach s5h1432 front end\n");
 617                         result = -EINVAL;
 618                         goto out_free;
 619                 }
 620
 621                 /* define general-purpose callback pointer */
 622                 dvb->frontend->callback = cx231xx_tuner_callback;
 623
 624                 if (!dvb_attach(xc5000_attach, dev->dvb->frontend,
 625                                tuner_i2c,
 626                                &cnxt_rde250_tunerconfig)) {
 627                         result = -EINVAL;
 628                         goto out_free;
 629                 }
 630
 631                 break;
 632         case CX231XX_BOARD_CNXT_SHELBY:
 633         case CX231XX_BOARD_CNXT_RDU_250:
 634
 635                 dev->dvb->frontend = dvb_attach(s5h1411_attach,
 636                                                &xc5000_s5h1411_config,
 637                                                demod_i2c);
 638
 639                 if (dev->dvb->frontend == NULL) {
 640                         printk(DRIVER_NAME
 641                                ": Failed to attach s5h1411 front end\n");
 642                         result = -EINVAL;
 643                         goto out_free;
 644                 }
 645
 646                 /* define general-purpose callback pointer */
 647                 dvb->frontend->callback = cx231xx_tuner_callback;
 648
 649                 if (!dvb_attach(xc5000_attach, dev->dvb->frontend,
 650                                tuner_i2c,
 651                                &cnxt_rdu250_tunerconfig)) {
 652                         result = -EINVAL;
 653                         goto out_free;
 654                 }
 655                 break;
 656         case CX231XX_BOARD_CNXT_RDE_253S:
 657
 658                 dev->dvb->frontend = dvb_attach(s5h1432_attach,
 659                                         &dvico_s5h1432_config,
 660                                         demod_i2c);
 661
 662                 if (dev->dvb->frontend == NULL) {
 663                         printk(DRIVER_NAME
 664                                ": Failed to attach s5h1432 front end\n");
 665                         result = -EINVAL;
 666                         goto out_free;
 667                 }
 668
 669                 /* define general-purpose callback pointer */
 670                 dvb->frontend->callback = cx231xx_tuner_callback;
 671
 672                 if (!dvb_attach(tda18271_attach, dev->dvb->frontend,
 673                                0x60, tuner_i2c,
 674                                &cnxt_rde253s_tunerconfig)) {
 675                         result = -EINVAL;
 676                         goto out_free;
 677                 }
 678                 break;
 679         case CX231XX_BOARD_CNXT_RDU_253S:
 680         case CX231XX_BOARD_KWORLD_UB445_USB_HYBRID:
 681
 682                 dev->dvb->frontend = dvb_attach(s5h1411_attach,
 683                                                &tda18271_s5h1411_config,
 684                                                demod_i2c);
 685
 686                 if (dev->dvb->frontend == NULL) {
 687                         printk(DRIVER_NAME
 688                                ": Failed to attach s5h1411 front end\n");
 689                         result = -EINVAL;
 690                         goto out_free;
 691                 }
 692
 693                 /* define general-purpose callback pointer */
 694                 dvb->frontend->callback = cx231xx_tuner_callback;
 695
 696                 if (!dvb_attach(tda18271_attach, dev->dvb->frontend,
 697                                0x60, tuner_i2c,
 698                                &cnxt_rde253s_tunerconfig)) {
 699                         result = -EINVAL;
 700                         goto out_free;
 701                 }
 702                 break;
 703         case CX231XX_BOARD_HAUPPAUGE_EXETER:
 704
 705                 printk(KERN_INFO "%s: looking for tuner / demod on i2c bus: %d\n",
 706                        __func__, i2c_adapter_id(tuner_i2c));
 707
 708                 dev->dvb->frontend = dvb_attach(lgdt3305_attach,
 709                                                 &hcw_lgdt3305_config,
 710                                                 tuner_i2c);
 711
 712                 if (dev->dvb->frontend == NULL) {
 713                         printk(DRIVER_NAME
 714                                ": Failed to attach LG3305 front end\n");
 715                         result = -EINVAL;
 716                         goto out_free;
 717                 }
 718
 719                 /* define general-purpose callback pointer */
 720                 dvb->frontend->callback = cx231xx_tuner_callback;
 721
 722                 dvb_attach(tda18271_attach, dev->dvb->frontend,
 723                            0x60, tuner_i2c,
 724                            &hcw_tda18271_config);
 725                 break;
 726
 727         case CX231XX_BOARD_HAUPPAUGE_930C_HD_1113xx:
 728
 729                 dev->dvb->frontend = dvb_attach(si2165_attach,
 730                         &hauppauge_930C_HD_1113xx_si2165_config,
 731                         tuner_i2c
 732                         );
 733
 734                 if (dev->dvb->frontend == NULL) {
 735                         printk(DRIVER_NAME
 736                                ": Failed to attach SI2165 front end\n");
 737                         result = -EINVAL;
 738                         goto out_free;
 739                 }
 740
 741                 dev->dvb->frontend->ops.i2c_gate_ctrl = NULL;
 742
 743                 /* define general-purpose callback pointer */
 744                 dvb->frontend->callback = cx231xx_tuner_callback;
 745
 746                 dvb_attach(tda18271_attach, dev->dvb->frontend,
 747                         0x60,
 748                         tuner_i2c,
 749                         &hcw_tda18271_config);
 750
 751                 dev->cx231xx_reset_analog_tuner = NULL;
 752                 break;
 753
 754         case CX231XX_BOARD_HAUPPAUGE_930C_HD_1114xx:
 755         {
 756                 struct i2c_client *client;
 757                 struct i2c_board_info info;
 758                 struct si2157_config si2157_config;
 759
 760                 memset(&info, 0, sizeof(struct i2c_board_info));
 761
 762                 dev->dvb->frontend = dvb_attach(si2165_attach,
 763                         &pctv_quatro_stick_1114xx_si2165_config,
 764                         tuner_i2c
 765                         );
 766
 767                 if (dev->dvb->frontend == NULL) {
 768                         printk(DRIVER_NAME
 769                                ": Failed to attach SI2165 front end\n");
 770                         result = -EINVAL;
 771                         goto out_free;
 772                 }
 773
 774                 dev->dvb->frontend->ops.i2c_gate_ctrl = NULL;
 775
 776                 /* define general-purpose callback pointer */
 777                 dvb->frontend->callback = cx231xx_tuner_callback;
 778
 779                 /* attach tuner */
 780                 memset(&si2157_config, 0, sizeof(si2157_config));
 781                 si2157_config.fe = dev->dvb->frontend;
 782                 si2157_config.inversion = true;
 783                 strlcpy(info.type, "si2157", I2C_NAME_SIZE);
 784                 info.addr = 0x60;
 785                 info.platform_data = &si2157_config;
 786                 request_module("si2157");
 787
 788                 client = i2c_new_device(
 789                         tuner_i2c,
 790                         &info);
 791                 if (client == NULL || client->dev.driver == NULL) {
 792                         dvb_frontend_detach(dev->dvb->frontend);
 793                         result = -ENODEV;
 794                         goto out_free;
 795                 }
 796
 797                 if (!try_module_get(client->dev.driver->owner)) {
 798                         i2c_unregister_device(client);
 799                         dvb_frontend_detach(dev->dvb->frontend);
 800                         result = -ENODEV;
 801                         goto out_free;
 802                 }
 803
 804                 dev->cx231xx_reset_analog_tuner = NULL;
 805
 806                 dev->dvb->i2c_client_tuner = client;
 807                 break;
 808         }
 809
 810         case CX231XX_BOARD_PV_PLAYTV_USB_HYBRID:
 811         case CX231XX_BOARD_KWORLD_UB430_USB_HYBRID:
 812
 813                 printk(KERN_INFO "%s: looking for demod on i2c bus: %d\n",
 814                        __func__, i2c_adapter_id(tuner_i2c));
 815
 816                 dev->dvb->frontend = dvb_attach(mb86a20s_attach,
 817                                                 &pv_mb86a20s_config,
 818                                                 demod_i2c);
 819
 820                 if (dev->dvb->frontend == NULL) {
 821                         printk(DRIVER_NAME
 822                                ": Failed to attach mb86a20s demod\n");
 823                         result = -EINVAL;
 824                         goto out_free;
 825                 }
 826
 827                 /* define general-purpose callback pointer */
 828                 dvb->frontend->callback = cx231xx_tuner_callback;
 829
 830                 dvb_attach(tda18271_attach, dev->dvb->frontend,
 831                            0x60, tuner_i2c,
 832                            &pv_tda18271_config);
 833                 break;
 834
 835         default:
 836                 printk(KERN_ERR "%s/2: The frontend of your DVB/ATSC card"
 837                        " isn't supported yet\n", dev->name);
 838                 break;
 839         }
 840         if (NULL == dvb->frontend) {
 841                 printk(KERN_ERR
 842                        "%s/2: frontend initialization failed\n", dev->name);
 843                 result = -EINVAL;
 844                 goto out_free;
 845         }
 846
 847         /* register everything */
 848         result = register_dvb(dvb, THIS_MODULE, dev, &dev->udev->dev);
 849
 850         if (result < 0)
 851                 goto out_free;
 852
 853
 854         printk(KERN_INFO "Successfully loaded cx231xx-dvb\n");
 855
 856 ret:
 857         cx231xx_set_mode(dev, CX231XX_SUSPEND);
 858         mutex_unlock(&dev->lock);
 859         return result;
 860
 861 out_free:
 862         kfree(dvb);
 863         dev->dvb = NULL;
 864         goto ret;
 865 }
 866
 867 static int dvb_fini(struct cx231xx *dev)
 868 {
 869         if (!dev->board.has_dvb) {
 870                 /* This device does not support the extension */
 871                 return 0;
 872         }
 873
 874         if (dev->dvb) {
 875                 unregister_dvb(dev->dvb);
 876                 dev->dvb = NULL;
 877         }
 878
 879         return 0;
 880 }
 881
 882 static struct cx231xx_ops dvb_ops = {
 883         .id = CX231XX_DVB,
 884         .name = "Cx231xx dvb Extension",
 885         .init = dvb_init,
 886         .fini = dvb_fini,
 887 };
 888
 889 static int __init cx231xx_dvb_register(void)
 890 {
 891         return cx231xx_register_extension(&dvb_ops);
 892 }
 893
 894 static void __exit cx231xx_dvb_unregister(void)
 895 {
 896         cx231xx_unregister_extension(&dvb_ops);
 897 }
 898
 899 module_init(cx231xx_dvb_register);
 900 module_exit(cx231xx_dvb_unregister);