Pileus Git - ~andy/linux/blob - drivers/media/video/em28xx/em28xx-dvb.c

   1 /*
   2  DVB device driver for em28xx
   3
   4  (c) 2008-2011 Mauro Carvalho Chehab <mchehab@infradead.org>
   5
   6  (c) 2008 Devin Heitmueller <devin.heitmueller@gmail.com>
   7         - Fixes for the driver to properly work with HVR-950
   8         - Fixes for the driver to properly work with Pinnacle PCTV HD Pro Stick
   9         - Fixes for the driver to properly work with AMD ATI TV Wonder HD 600
  10
  11  (c) 2008 Aidan Thornton <makosoft@googlemail.com>
  12
  13  Based on cx88-dvb, saa7134-dvb and videobuf-dvb originally written by:
  14         (c) 2004, 2005 Chris Pascoe <c.pascoe@itee.uq.edu.au>
  15         (c) 2004 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
  16
  17  This program is free software; you can redistribute it and/or modify
  18  it under the terms of the GNU General Public License as published by
  19  the Free Software Foundation; either version 2 of the License.
  20  */
  21
  22 #include <linux/kernel.h>
  23 #include <linux/slab.h>
  24 #include <linux/usb.h>
  25
  26 #include "em28xx.h"
  27 #include <media/v4l2-common.h>
  28 #include <media/videobuf-vmalloc.h>
  29 #include <media/tuner.h>
  30 #include "tuner-simple.h"
  31
  32 #include "lgdt330x.h"
  33 #include "lgdt3305.h"
  34 #include "zl10353.h"
  35 #include "s5h1409.h"
  36 #include "mt352.h"
  37 #include "mt352_priv.h" /* FIXME */
  38 #include "tda1002x.h"
  39 #include "tda18271.h"
  40 #include "s921.h"
  41 #include "drxd.h"
  42 #include "cxd2820r.h"
  43 #include "tda18271c2dd.h"
  44 #include "drxk.h"
  45 #include "tda10071.h"
  46 #include "a8293.h"
  47 #include "qt1010.h"
  48
  49 MODULE_DESCRIPTION("driver for em28xx based DVB cards");
  50 MODULE_AUTHOR("Mauro Carvalho Chehab <mchehab@infradead.org>");
  51 MODULE_LICENSE("GPL");
  52
  53 static unsigned int debug;
  54 module_param(debug, int, 0644);
  55 MODULE_PARM_DESC(debug, "enable debug messages [dvb]");
  56
  57 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
  58
  59 #define dprintk(level, fmt, arg...) do {                        \
  60 if (debug >= level)                                             \
  61         printk(KERN_DEBUG "%s/2-dvb: " fmt, dev->name, ## arg); \
  62 } while (0)
  63
  64 struct em28xx_dvb {
  65         struct dvb_frontend        *fe[2];
  66
  67         /* feed count management */
  68         struct mutex               lock;
  69         int                        nfeeds;
  70
  71         /* general boilerplate stuff */
  72         struct dvb_adapter         adapter;
  73         struct dvb_demux           demux;
  74         struct dmxdev              dmxdev;
  75         struct dmx_frontend        fe_hw;
  76         struct dmx_frontend        fe_mem;
  77         struct dvb_net             net;
  78
  79         /* Due to DRX-K - probably need changes */
  80         int (*gate_ctrl)(struct dvb_frontend *, int);
  81         struct semaphore      pll_mutex;
  82         bool                    dont_attach_fe1;
  83 };
  84
  85
  86 static inline void print_err_status(struct em28xx *dev,
  87                                      int packet, int status)
  88 {
  89         char *errmsg = "Unknown";
  90
  91         switch (status) {
  92         case -ENOENT:
  93                 errmsg = "unlinked synchronuously";
  94                 break;
  95         case -ECONNRESET:
  96                 errmsg = "unlinked asynchronuously";
  97                 break;
  98         case -ENOSR:
  99                 errmsg = "Buffer error (overrun)";
 100                 break;
 101         case -EPIPE:
 102                 errmsg = "Stalled (device not responding)";
 103                 break;
 104         case -EOVERFLOW:
 105                 errmsg = "Babble (bad cable?)";
 106                 break;
 107         case -EPROTO:
 108                 errmsg = "Bit-stuff error (bad cable?)";
 109                 break;
 110         case -EILSEQ:
 111                 errmsg = "CRC/Timeout (could be anything)";
 112                 break;
 113         case -ETIME:
 114                 errmsg = "Device does not respond";
 115                 break;
 116         }
 117         if (packet < 0) {
 118                 dprintk(1, "URB status %d [%s].\n", status, errmsg);
 119         } else {
 120                 dprintk(1, "URB packet %d, status %d [%s].\n",
 121                         packet, status, errmsg);
 122         }
 123 }
 124
 125 static inline int em28xx_dvb_isoc_copy(struct em28xx *dev, struct urb *urb)
 126 {
 127         int i;
 128
 129         if (!dev)
 130                 return 0;
 131
 132         if ((dev->state & DEV_DISCONNECTED) || (dev->state & DEV_MISCONFIGURED))
 133                 return 0;
 134
 135         if (urb->status < 0) {
 136                 print_err_status(dev, -1, urb->status);
 137                 if (urb->status == -ENOENT)
 138                         return 0;
 139         }
 140
 141         for (i = 0; i < urb->number_of_packets; i++) {
 142                 int status = urb->iso_frame_desc[i].status;
 143
 144                 if (status < 0) {
 145                         print_err_status(dev, i, status);
 146                         if (urb->iso_frame_desc[i].status != -EPROTO)
 147                                 continue;
 148                 }
 149
 150                 dvb_dmx_swfilter(&dev->dvb->demux, urb->transfer_buffer +
 151                                  urb->iso_frame_desc[i].offset,
 152                                  urb->iso_frame_desc[i].actual_length);
 153         }
 154
 155         return 0;
 156 }
 157
 158 static int em28xx_start_streaming(struct em28xx_dvb *dvb)
 159 {
 160         int rc;
 161         struct em28xx *dev = dvb->adapter.priv;
 162         int max_dvb_packet_size;
 163
 164         usb_set_interface(dev->udev, 0, dev->dvb_alt);
 165         rc = em28xx_set_mode(dev, EM28XX_DIGITAL_MODE);
 166         if (rc < 0)
 167                 return rc;
 168
 169         max_dvb_packet_size = dev->dvb_max_pkt_size;
 170         if (max_dvb_packet_size < 0)
 171                 return max_dvb_packet_size;
 172         dprintk(1, "Using %d buffers each with %d x %d bytes\n",
 173                 EM28XX_DVB_NUM_BUFS,
 174                 EM28XX_DVB_MAX_PACKETS,
 175                 max_dvb_packet_size);
 176
 177         return em28xx_init_isoc(dev, EM28XX_DIGITAL_MODE,
 178                                 EM28XX_DVB_MAX_PACKETS, EM28XX_DVB_NUM_BUFS,
 179                                 max_dvb_packet_size, em28xx_dvb_isoc_copy);
 180 }
 181
 182 static int em28xx_stop_streaming(struct em28xx_dvb *dvb)
 183 {
 184         struct em28xx *dev = dvb->adapter.priv;
 185
 186         em28xx_stop_urbs(dev);
 187
 188         em28xx_set_mode(dev, EM28XX_SUSPEND);
 189
 190         return 0;
 191 }
 192
 193 static int em28xx_start_feed(struct dvb_demux_feed *feed)
 194 {
 195         struct dvb_demux *demux  = feed->demux;
 196         struct em28xx_dvb *dvb = demux->priv;
 197         int rc, ret;
 198
 199         if (!demux->dmx.frontend)
 200                 return -EINVAL;
 201
 202         mutex_lock(&dvb->lock);
 203         dvb->nfeeds++;
 204         rc = dvb->nfeeds;
 205
 206         if (dvb->nfeeds == 1) {
 207                 ret = em28xx_start_streaming(dvb);
 208                 if (ret < 0)
 209                         rc = ret;
 210         }
 211
 212         mutex_unlock(&dvb->lock);
 213         return rc;
 214 }
 215
 216 static int em28xx_stop_feed(struct dvb_demux_feed *feed)
 217 {
 218         struct dvb_demux *demux  = feed->demux;
 219         struct em28xx_dvb *dvb = demux->priv;
 220         int err = 0;
 221
 222         mutex_lock(&dvb->lock);
 223         dvb->nfeeds--;
 224
 225         if (0 == dvb->nfeeds)
 226                 err = em28xx_stop_streaming(dvb);
 227
 228         mutex_unlock(&dvb->lock);
 229         return err;
 230 }
 231
 232
 233
 234 /* ------------------------------------------------------------------ */
 235 static int em28xx_dvb_bus_ctrl(struct dvb_frontend *fe, int acquire)
 236 {
 237         struct em28xx *dev = fe->dvb->priv;
 238
 239         if (acquire)
 240                 return em28xx_set_mode(dev, EM28XX_DIGITAL_MODE);
 241         else
 242                 return em28xx_set_mode(dev, EM28XX_SUSPEND);
 243 }
 244
 245 /* ------------------------------------------------------------------ */
 246
 247 static struct lgdt330x_config em2880_lgdt3303_dev = {
 248         .demod_address = 0x0e,
 249         .demod_chip = LGDT3303,
 250 };
 251
 252 static struct lgdt3305_config em2870_lgdt3304_dev = {
 253         .i2c_addr           = 0x0e,
 254         .demod_chip         = LGDT3304,
 255         .spectral_inversion = 1,
 256         .deny_i2c_rptr      = 1,
 257         .mpeg_mode          = LGDT3305_MPEG_PARALLEL,
 258         .tpclk_edge         = LGDT3305_TPCLK_FALLING_EDGE,
 259         .tpvalid_polarity   = LGDT3305_TP_VALID_HIGH,
 260         .vsb_if_khz         = 3250,
 261         .qam_if_khz         = 4000,
 262 };
 263
 264 static struct s921_config sharp_isdbt = {
 265         .demod_address = 0x30 >> 1
 266 };
 267
 268 static struct zl10353_config em28xx_zl10353_with_xc3028 = {
 269         .demod_address = (0x1e >> 1),
 270         .no_tuner = 1,
 271         .parallel_ts = 1,
 272         .if2 = 45600,
 273 };
 274
 275 static struct s5h1409_config em28xx_s5h1409_with_xc3028 = {
 276         .demod_address = 0x32 >> 1,
 277         .output_mode   = S5H1409_PARALLEL_OUTPUT,
 278         .gpio          = S5H1409_GPIO_OFF,
 279         .inversion     = S5H1409_INVERSION_OFF,
 280         .status_mode   = S5H1409_DEMODLOCKING,
 281         .mpeg_timing   = S5H1409_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK
 282 };
 283
 284 static struct tda18271_std_map kworld_a340_std_map = {
 285         .atsc_6   = { .if_freq = 3250, .agc_mode = 3, .std = 0,
 286                       .if_lvl = 1, .rfagc_top = 0x37, },
 287         .qam_6    = { .if_freq = 4000, .agc_mode = 3, .std = 1,
 288                       .if_lvl = 1, .rfagc_top = 0x37, },
 289 };
 290
 291 static struct tda18271_config kworld_a340_config = {
 292         .std_map           = &kworld_a340_std_map,
 293 };
 294
 295 static struct zl10353_config em28xx_zl10353_xc3028_no_i2c_gate = {
 296         .demod_address = (0x1e >> 1),
 297         .no_tuner = 1,
 298         .disable_i2c_gate_ctrl = 1,
 299         .parallel_ts = 1,
 300         .if2 = 45600,
 301 };
 302
 303 static struct drxd_config em28xx_drxd = {
 304         .demod_address = 0x70,
 305         .demod_revision = 0xa2,
 306         .pll_type = DRXD_PLL_NONE,
 307         .clock = 12000,
 308         .insert_rs_byte = 1,
 309         .IF = 42800000,
 310         .disable_i2c_gate_ctrl = 1,
 311 };
 312
 313 struct drxk_config terratec_h5_drxk = {
 314         .adr = 0x29,
 315         .single_master = 1,
 316         .no_i2c_bridge = 1,
 317         .microcode_name = "dvb-usb-terratec-h5-drxk.fw",
 318 };
 319
 320 struct drxk_config hauppauge_930c_drxk = {
 321         .adr = 0x29,
 322         .single_master = 1,
 323         .no_i2c_bridge = 1,
 324         .microcode_name = "dvb-usb-hauppauge-hvr930c-drxk.fw",
 325         .chunk_size = 56,
 326 };
 327
 328 struct drxk_config maxmedia_ub425_tc_drxk = {
 329         .adr = 0x29,
 330         .single_master = 1,
 331         .no_i2c_bridge = 1,
 332 };
 333
 334 struct drxk_config pctv_520e_drxk = {
 335         .adr = 0x29,
 336         .single_master = 1,
 337         .microcode_name = "dvb-demod-drxk-pctv.fw",
 338         .chunk_size = 58,
 339 };
 340
 341 static int drxk_gate_ctrl(struct dvb_frontend *fe, int enable)
 342 {
 343         struct em28xx_dvb *dvb = fe->sec_priv;
 344         int status;
 345
 346         if (!dvb)
 347                 return -EINVAL;
 348
 349         if (enable) {
 350                 down(&dvb->pll_mutex);
 351                 status = dvb->gate_ctrl(fe, 1);
 352         } else {
 353                 status = dvb->gate_ctrl(fe, 0);
 354                 up(&dvb->pll_mutex);
 355         }
 356         return status;
 357 }
 358
 359 static void hauppauge_hvr930c_init(struct em28xx *dev)
 360 {
 361         int i;
 362
 363         struct em28xx_reg_seq hauppauge_hvr930c_init[] = {
 364                 {EM2874_R80_GPIO,       0xff,   0xff,   0x65},
 365                 {EM2874_R80_GPIO,       0xfb,   0xff,   0x32},
 366                 {EM2874_R80_GPIO,       0xff,   0xff,   0xb8},
 367                 { -1,                   -1,     -1,     -1},
 368         };
 369         struct em28xx_reg_seq hauppauge_hvr930c_end[] = {
 370                 {EM2874_R80_GPIO,       0xef,   0xff,   0x01},
 371                 {EM2874_R80_GPIO,       0xaf,   0xff,   0x65},
 372                 {EM2874_R80_GPIO,       0xef,   0xff,   0x76},
 373                 {EM2874_R80_GPIO,       0xef,   0xff,   0x01},
 374                 {EM2874_R80_GPIO,       0xcf,   0xff,   0x0b},
 375                 {EM2874_R80_GPIO,       0xef,   0xff,   0x40},
 376
 377                 {EM2874_R80_GPIO,       0xcf,   0xff,   0x65},
 378                 {EM2874_R80_GPIO,       0xef,   0xff,   0x65},
 379                 {EM2874_R80_GPIO,       0xcf,   0xff,   0x0b},
 380                 {EM2874_R80_GPIO,       0xef,   0xff,   0x65},
 381
 382                 { -1,                   -1,     -1,     -1},
 383         };
 384
 385         struct {
 386                 unsigned char r[4];
 387                 int len;
 388         } regs[] = {
 389                 {{ 0x06, 0x02, 0x00, 0x31 }, 4},
 390                 {{ 0x01, 0x02 }, 2},
 391                 {{ 0x01, 0x02, 0x00, 0xc6 }, 4},
 392                 {{ 0x01, 0x00 }, 2},
 393                 {{ 0x01, 0x00, 0xff, 0xaf }, 4},
 394                 {{ 0x01, 0x00, 0x03, 0xa0 }, 4},
 395                 {{ 0x01, 0x00 }, 2},
 396                 {{ 0x01, 0x00, 0x73, 0xaf }, 4},
 397                 {{ 0x04, 0x00 }, 2},
 398                 {{ 0x00, 0x04 }, 2},
 399                 {{ 0x00, 0x04, 0x00, 0x0a }, 4},
 400                 {{ 0x04, 0x14 }, 2},
 401                 {{ 0x04, 0x14, 0x00, 0x00 }, 4},
 402         };
 403
 404         em28xx_gpio_set(dev, hauppauge_hvr930c_init);
 405         em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40);
 406         msleep(10);
 407         em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x44);
 408         msleep(10);
 409
 410         dev->i2c_client.addr = 0x82 >> 1;
 411
 412         for (i = 0; i < ARRAY_SIZE(regs); i++)
 413                 i2c_master_send(&dev->i2c_client, regs[i].r, regs[i].len);
 414         em28xx_gpio_set(dev, hauppauge_hvr930c_end);
 415
 416         msleep(100);
 417
 418         em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x44);
 419         msleep(30);
 420
 421         em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x45);
 422         msleep(10);
 423
 424 }
 425
 426 static void terratec_h5_init(struct em28xx *dev)
 427 {
 428         int i;
 429         struct em28xx_reg_seq terratec_h5_init[] = {
 430                 {EM28XX_R08_GPIO,       0xff,   0xff,   10},
 431                 {EM2874_R80_GPIO,       0xf6,   0xff,   100},
 432                 {EM2874_R80_GPIO,       0xf2,   0xff,   50},
 433                 {EM2874_R80_GPIO,       0xf6,   0xff,   100},
 434                 { -1,                   -1,     -1,     -1},
 435         };
 436         struct em28xx_reg_seq terratec_h5_end[] = {
 437                 {EM2874_R80_GPIO,       0xe6,   0xff,   100},
 438                 {EM2874_R80_GPIO,       0xa6,   0xff,   50},
 439                 {EM2874_R80_GPIO,       0xe6,   0xff,   100},
 440                 { -1,                   -1,     -1,     -1},
 441         };
 442         struct {
 443                 unsigned char r[4];
 444                 int len;
 445         } regs[] = {
 446                 {{ 0x06, 0x02, 0x00, 0x31 }, 4},
 447                 {{ 0x01, 0x02 }, 2},
 448                 {{ 0x01, 0x02, 0x00, 0xc6 }, 4},
 449                 {{ 0x01, 0x00 }, 2},
 450                 {{ 0x01, 0x00, 0xff, 0xaf }, 4},
 451                 {{ 0x01, 0x00, 0x03, 0xa0 }, 4},
 452                 {{ 0x01, 0x00 }, 2},
 453                 {{ 0x01, 0x00, 0x73, 0xaf }, 4},
 454                 {{ 0x04, 0x00 }, 2},
 455                 {{ 0x00, 0x04 }, 2},
 456                 {{ 0x00, 0x04, 0x00, 0x0a }, 4},
 457                 {{ 0x04, 0x14 }, 2},
 458                 {{ 0x04, 0x14, 0x00, 0x00 }, 4},
 459         };
 460
 461         em28xx_gpio_set(dev, terratec_h5_init);
 462         em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40);
 463         msleep(10);
 464         em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x45);
 465         msleep(10);
 466
 467         dev->i2c_client.addr = 0x82 >> 1;
 468
 469         for (i = 0; i < ARRAY_SIZE(regs); i++)
 470                 i2c_master_send(&dev->i2c_client, regs[i].r, regs[i].len);
 471         em28xx_gpio_set(dev, terratec_h5_end);
 472 };
 473
 474 static void pctv_520e_init(struct em28xx *dev)
 475 {
 476         /*
 477          * Init TDA8295(?) analog demodulator. Looks like I2C traffic to
 478          * digital demodulator and tuner are routed via TDA8295.
 479          */
 480         int i;
 481         struct {
 482                 unsigned char r[4];
 483                 int len;
 484         } regs[] = {
 485                 {{ 0x06, 0x02, 0x00, 0x31 }, 4},
 486                 {{ 0x01, 0x02 }, 2},
 487                 {{ 0x01, 0x02, 0x00, 0xc6 }, 4},
 488                 {{ 0x01, 0x00 }, 2},
 489                 {{ 0x01, 0x00, 0xff, 0xaf }, 4},
 490                 {{ 0x01, 0x00, 0x03, 0xa0 }, 4},
 491                 {{ 0x01, 0x00 }, 2},
 492                 {{ 0x01, 0x00, 0x73, 0xaf }, 4},
 493         };
 494
 495         dev->i2c_client.addr = 0x82 >> 1; /* 0x41 */
 496
 497         for (i = 0; i < ARRAY_SIZE(regs); i++)
 498                 i2c_master_send(&dev->i2c_client, regs[i].r, regs[i].len);
 499 };
 500
 501 static int em28xx_mt352_terratec_xs_init(struct dvb_frontend *fe)
 502 {
 503         /* Values extracted from a USB trace of the Terratec Windows driver */
 504         static u8 clock_config[]   = { CLOCK_CTL,  0x38, 0x2c };
 505         static u8 reset[]          = { RESET,      0x80 };
 506         static u8 adc_ctl_1_cfg[]  = { ADC_CTL_1,  0x40 };
 507         static u8 agc_cfg[]        = { AGC_TARGET, 0x28, 0xa0 };
 508         static u8 input_freq_cfg[] = { INPUT_FREQ_1, 0x31, 0xb8 };
 509         static u8 rs_err_cfg[]     = { RS_ERR_PER_1, 0x00, 0x4d };
 510         static u8 capt_range_cfg[] = { CAPT_RANGE, 0x32 };
 511         static u8 trl_nom_cfg[]    = { TRL_NOMINAL_RATE_1, 0x64, 0x00 };
 512         static u8 tps_given_cfg[]  = { TPS_GIVEN_1, 0x40, 0x80, 0x50 };
 513         static u8 tuner_go[]       = { TUNER_GO, 0x01};
 514
 515         mt352_write(fe, clock_config,   sizeof(clock_config));
 516         udelay(200);
 517         mt352_write(fe, reset,          sizeof(reset));
 518         mt352_write(fe, adc_ctl_1_cfg,  sizeof(adc_ctl_1_cfg));
 519         mt352_write(fe, agc_cfg,        sizeof(agc_cfg));
 520         mt352_write(fe, input_freq_cfg, sizeof(input_freq_cfg));
 521         mt352_write(fe, rs_err_cfg,     sizeof(rs_err_cfg));
 522         mt352_write(fe, capt_range_cfg, sizeof(capt_range_cfg));
 523         mt352_write(fe, trl_nom_cfg,    sizeof(trl_nom_cfg));
 524         mt352_write(fe, tps_given_cfg,  sizeof(tps_given_cfg));
 525         mt352_write(fe, tuner_go,       sizeof(tuner_go));
 526         return 0;
 527 }
 528
 529 static struct mt352_config terratec_xs_mt352_cfg = {
 530         .demod_address = (0x1e >> 1),
 531         .no_tuner = 1,
 532         .if2 = 45600,
 533         .demod_init = em28xx_mt352_terratec_xs_init,
 534 };
 535
 536 static struct tda10023_config em28xx_tda10023_config = {
 537         .demod_address = 0x0c,
 538         .invert = 1,
 539 };
 540
 541 static struct cxd2820r_config em28xx_cxd2820r_config = {
 542         .i2c_address = (0xd8 >> 1),
 543         .ts_mode = CXD2820R_TS_SERIAL,
 544
 545         /* enable LNA for DVB-T2 and DVB-C */
 546         .gpio_dvbt2[0] = CXD2820R_GPIO_E | CXD2820R_GPIO_O | CXD2820R_GPIO_L,
 547         .gpio_dvbc[0] = CXD2820R_GPIO_E | CXD2820R_GPIO_O | CXD2820R_GPIO_L,
 548 };
 549
 550 static struct tda18271_config em28xx_cxd2820r_tda18271_config = {
 551         .output_opt = TDA18271_OUTPUT_LT_OFF,
 552         .gate = TDA18271_GATE_DIGITAL,
 553 };
 554
 555 static const struct tda10071_config em28xx_tda10071_config = {
 556         .i2c_address = 0x55, /* (0xaa >> 1) */
 557         .i2c_wr_max = 64,
 558         .ts_mode = TDA10071_TS_SERIAL,
 559         .spec_inv = 0,
 560         .xtal = 40444000, /* 40.444 MHz */
 561         .pll_multiplier = 20,
 562 };
 563
 564 static const struct a8293_config em28xx_a8293_config = {
 565         .i2c_addr = 0x08, /* (0x10 >> 1) */
 566 };
 567
 568 static struct zl10353_config em28xx_zl10353_no_i2c_gate_dev = {
 569         .demod_address = (0x1e >> 1),
 570         .disable_i2c_gate_ctrl = 1,
 571         .no_tuner = 1,
 572         .parallel_ts = 1,
 573 };
 574 static struct qt1010_config em28xx_qt1010_config = {
 575         .i2c_address = 0x62
 576
 577 };
 578
 579 /* ------------------------------------------------------------------ */
 580
 581 static int em28xx_attach_xc3028(u8 addr, struct em28xx *dev)
 582 {
 583         struct dvb_frontend *fe;
 584         struct xc2028_config cfg;
 585
 586         memset(&cfg, 0, sizeof(cfg));
 587         cfg.i2c_adap  = &dev->i2c_adap;
 588         cfg.i2c_addr  = addr;
 589
 590         if (!dev->dvb->fe[0]) {
 591                 em28xx_errdev("/2: dvb frontend not attached. "
 592                                 "Can't attach xc3028\n");
 593                 return -EINVAL;
 594         }
 595
 596         fe = dvb_attach(xc2028_attach, dev->dvb->fe[0], &cfg);
 597         if (!fe) {
 598                 em28xx_errdev("/2: xc3028 attach failed\n");
 599                 dvb_frontend_detach(dev->dvb->fe[0]);
 600                 dev->dvb->fe[0] = NULL;
 601                 return -EINVAL;
 602         }
 603
 604         em28xx_info("%s/2: xc3028 attached\n", dev->name);
 605
 606         return 0;
 607 }
 608
 609 /* ------------------------------------------------------------------ */
 610
 611 static int em28xx_register_dvb(struct em28xx_dvb *dvb, struct module *module,
 612                                struct em28xx *dev, struct device *device)
 613 {
 614         int result;
 615
 616         mutex_init(&dvb->lock);
 617
 618         /* register adapter */
 619         result = dvb_register_adapter(&dvb->adapter, dev->name, module, device,
 620                                       adapter_nr);
 621         if (result < 0) {
 622                 printk(KERN_WARNING "%s: dvb_register_adapter failed (errno = %d)\n",
 623                        dev->name, result);
 624                 goto fail_adapter;
 625         }
 626
 627         /* Ensure all frontends negotiate bus access */
 628         dvb->fe[0]->ops.ts_bus_ctrl = em28xx_dvb_bus_ctrl;
 629         if (dvb->fe[1])
 630                 dvb->fe[1]->ops.ts_bus_ctrl = em28xx_dvb_bus_ctrl;
 631
 632         dvb->adapter.priv = dev;
 633
 634         /* register frontend */
 635         result = dvb_register_frontend(&dvb->adapter, dvb->fe[0]);
 636         if (result < 0) {
 637                 printk(KERN_WARNING "%s: dvb_register_frontend failed (errno = %d)\n",
 638                        dev->name, result);
 639                 goto fail_frontend0;
 640         }
 641
 642         /* register 2nd frontend */
 643         if (dvb->fe[1]) {
 644                 result = dvb_register_frontend(&dvb->adapter, dvb->fe[1]);
 645                 if (result < 0) {
 646                         printk(KERN_WARNING "%s: 2nd dvb_register_frontend failed (errno = %d)\n",
 647                                 dev->name, result);
 648                         goto fail_frontend1;
 649                 }
 650         }
 651
 652         /* register demux stuff */
 653         dvb->demux.dmx.capabilities =
 654                 DMX_TS_FILTERING | DMX_SECTION_FILTERING |
 655                 DMX_MEMORY_BASED_FILTERING;
 656         dvb->demux.priv       = dvb;
 657         dvb->demux.filternum  = 256;
 658         dvb->demux.feednum    = 256;
 659         dvb->demux.start_feed = em28xx_start_feed;
 660         dvb->demux.stop_feed  = em28xx_stop_feed;
 661
 662         result = dvb_dmx_init(&dvb->demux);
 663         if (result < 0) {
 664                 printk(KERN_WARNING "%s: dvb_dmx_init failed (errno = %d)\n",
 665                        dev->name, result);
 666                 goto fail_dmx;
 667         }
 668
 669         dvb->dmxdev.filternum    = 256;
 670         dvb->dmxdev.demux        = &dvb->demux.dmx;
 671         dvb->dmxdev.capabilities = 0;
 672         result = dvb_dmxdev_init(&dvb->dmxdev, &dvb->adapter);
 673         if (result < 0) {
 674                 printk(KERN_WARNING "%s: dvb_dmxdev_init failed (errno = %d)\n",
 675                        dev->name, result);
 676                 goto fail_dmxdev;
 677         }
 678
 679         dvb->fe_hw.source = DMX_FRONTEND_0;
 680         result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_hw);
 681         if (result < 0) {
 682                 printk(KERN_WARNING "%s: add_frontend failed (DMX_FRONTEND_0, errno = %d)\n",
 683                        dev->name, result);
 684                 goto fail_fe_hw;
 685         }
 686
 687         dvb->fe_mem.source = DMX_MEMORY_FE;
 688         result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_mem);
 689         if (result < 0) {
 690                 printk(KERN_WARNING "%s: add_frontend failed (DMX_MEMORY_FE, errno = %d)\n",
 691                        dev->name, result);
 692                 goto fail_fe_mem;
 693         }
 694
 695         result = dvb->demux.dmx.connect_frontend(&dvb->demux.dmx, &dvb->fe_hw);
 696         if (result < 0) {
 697                 printk(KERN_WARNING "%s: connect_frontend failed (errno = %d)\n",
 698                        dev->name, result);
 699                 goto fail_fe_conn;
 700         }
 701
 702         /* register network adapter */
 703         dvb_net_init(&dvb->adapter, &dvb->net, &dvb->demux.dmx);
 704         return 0;
 705
 706 fail_fe_conn:
 707         dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem);
 708 fail_fe_mem:
 709         dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw);
 710 fail_fe_hw:
 711         dvb_dmxdev_release(&dvb->dmxdev);
 712 fail_dmxdev:
 713         dvb_dmx_release(&dvb->demux);
 714 fail_dmx:
 715         if (dvb->fe[1])
 716                 dvb_unregister_frontend(dvb->fe[1]);
 717         dvb_unregister_frontend(dvb->fe[0]);
 718 fail_frontend1:
 719         if (dvb->fe[1])
 720                 dvb_frontend_detach(dvb->fe[1]);
 721 fail_frontend0:
 722         dvb_frontend_detach(dvb->fe[0]);
 723         dvb_unregister_adapter(&dvb->adapter);
 724 fail_adapter:
 725         return result;
 726 }
 727
 728 static void em28xx_unregister_dvb(struct em28xx_dvb *dvb)
 729 {
 730         dvb_net_release(&dvb->net);
 731         dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem);
 732         dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw);
 733         dvb_dmxdev_release(&dvb->dmxdev);
 734         dvb_dmx_release(&dvb->demux);
 735         if (dvb->fe[1])
 736                 dvb_unregister_frontend(dvb->fe[1]);
 737         dvb_unregister_frontend(dvb->fe[0]);
 738         if (dvb->fe[1] && !dvb->dont_attach_fe1)
 739                 dvb_frontend_detach(dvb->fe[1]);
 740         dvb_frontend_detach(dvb->fe[0]);
 741         dvb_unregister_adapter(&dvb->adapter);
 742 }
 743
 744 static int em28xx_dvb_init(struct em28xx *dev)
 745 {
 746         int result = 0, mfe_shared = 0;
 747         struct em28xx_dvb *dvb;
 748
 749         if (!dev->board.has_dvb) {
 750                 /* This device does not support the extension */
 751                 printk(KERN_INFO "em28xx_dvb: This device does not support the extension\n");
 752                 return 0;
 753         }
 754
 755         dvb = kzalloc(sizeof(struct em28xx_dvb), GFP_KERNEL);
 756
 757         if (dvb == NULL) {
 758                 em28xx_info("em28xx_dvb: memory allocation failed\n");
 759                 return -ENOMEM;
 760         }
 761         dev->dvb = dvb;
 762         dvb->fe[0] = dvb->fe[1] = NULL;
 763
 764         mutex_lock(&dev->lock);
 765         em28xx_set_mode(dev, EM28XX_DIGITAL_MODE);
 766         /* init frontend */
 767         switch (dev->model) {
 768         case EM2874_BOARD_LEADERSHIP_ISDBT:
 769                 dvb->fe[0] = dvb_attach(s921_attach,
 770                                 &sharp_isdbt, &dev->i2c_adap);
 771
 772                 if (!dvb->fe[0]) {
 773                         result = -EINVAL;
 774                         goto out_free;
 775                 }
 776
 777                 break;
 778         case EM2883_BOARD_HAUPPAUGE_WINTV_HVR_850:
 779         case EM2883_BOARD_HAUPPAUGE_WINTV_HVR_950:
 780         case EM2880_BOARD_PINNACLE_PCTV_HD_PRO:
 781         case EM2880_BOARD_AMD_ATI_TV_WONDER_HD_600:
 782                 dvb->fe[0] = dvb_attach(lgdt330x_attach,
 783                                            &em2880_lgdt3303_dev,
 784                                            &dev->i2c_adap);
 785                 if (em28xx_attach_xc3028(0x61, dev) < 0) {
 786                         result = -EINVAL;
 787                         goto out_free;
 788                 }
 789                 break;
 790         case EM2880_BOARD_KWORLD_DVB_310U:
 791                 dvb->fe[0] = dvb_attach(zl10353_attach,
 792                                            &em28xx_zl10353_with_xc3028,
 793                                            &dev->i2c_adap);
 794                 if (em28xx_attach_xc3028(0x61, dev) < 0) {
 795                         result = -EINVAL;
 796                         goto out_free;
 797                 }
 798                 break;
 799         case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900:
 800         case EM2882_BOARD_TERRATEC_HYBRID_XS:
 801         case EM2880_BOARD_EMPIRE_DUAL_TV:
 802                 dvb->fe[0] = dvb_attach(zl10353_attach,
 803                                            &em28xx_zl10353_xc3028_no_i2c_gate,
 804                                            &dev->i2c_adap);
 805                 if (em28xx_attach_xc3028(0x61, dev) < 0) {
 806                         result = -EINVAL;
 807                         goto out_free;
 808                 }
 809                 break;
 810         case EM2880_BOARD_TERRATEC_HYBRID_XS:
 811         case EM2880_BOARD_TERRATEC_HYBRID_XS_FR:
 812         case EM2881_BOARD_PINNACLE_HYBRID_PRO:
 813         case EM2882_BOARD_DIKOM_DK300:
 814         case EM2882_BOARD_KWORLD_VS_DVBT:
 815                 dvb->fe[0] = dvb_attach(zl10353_attach,
 816                                            &em28xx_zl10353_xc3028_no_i2c_gate,
 817                                            &dev->i2c_adap);
 818                 if (dvb->fe[0] == NULL) {
 819                         /* This board could have either a zl10353 or a mt352.
 820                            If the chip id isn't for zl10353, try mt352 */
 821                         dvb->fe[0] = dvb_attach(mt352_attach,
 822                                                    &terratec_xs_mt352_cfg,
 823                                                    &dev->i2c_adap);
 824                 }
 825
 826                 if (em28xx_attach_xc3028(0x61, dev) < 0) {
 827                         result = -EINVAL;
 828                         goto out_free;
 829                 }
 830                 break;
 831         case EM2870_BOARD_KWORLD_355U:
 832                 dvb->fe[0] = dvb_attach(zl10353_attach,
 833                                            &em28xx_zl10353_no_i2c_gate_dev,
 834                                            &dev->i2c_adap);
 835                 if (dvb->fe[0] != NULL)
 836                         dvb_attach(qt1010_attach, dvb->fe[0],
 837                                    &dev->i2c_adap, &em28xx_qt1010_config);
 838                 break;
 839         case EM2883_BOARD_KWORLD_HYBRID_330U:
 840         case EM2882_BOARD_EVGA_INDTUBE:
 841                 dvb->fe[0] = dvb_attach(s5h1409_attach,
 842                                            &em28xx_s5h1409_with_xc3028,
 843                                            &dev->i2c_adap);
 844                 if (em28xx_attach_xc3028(0x61, dev) < 0) {
 845                         result = -EINVAL;
 846                         goto out_free;
 847                 }
 848                 break;
 849         case EM2882_BOARD_KWORLD_ATSC_315U:
 850                 dvb->fe[0] = dvb_attach(lgdt330x_attach,
 851                                            &em2880_lgdt3303_dev,
 852                                            &dev->i2c_adap);
 853                 if (dvb->fe[0] != NULL) {
 854                         if (!dvb_attach(simple_tuner_attach, dvb->fe[0],
 855                                 &dev->i2c_adap, 0x61, TUNER_THOMSON_DTT761X)) {
 856                                 result = -EINVAL;
 857                                 goto out_free;
 858                         }
 859                 }
 860                 break;
 861         case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900_R2:
 862         case EM2882_BOARD_PINNACLE_HYBRID_PRO_330E:
 863                 dvb->fe[0] = dvb_attach(drxd_attach, &em28xx_drxd, NULL,
 864                                            &dev->i2c_adap, &dev->udev->dev);
 865                 if (em28xx_attach_xc3028(0x61, dev) < 0) {
 866                         result = -EINVAL;
 867                         goto out_free;
 868                 }
 869                 break;
 870         case EM2870_BOARD_REDDO_DVB_C_USB_BOX:
 871                 /* Philips CU1216L NIM (Philips TDA10023 + Infineon TUA6034) */
 872                 dvb->fe[0] = dvb_attach(tda10023_attach,
 873                         &em28xx_tda10023_config,
 874                         &dev->i2c_adap, 0x48);
 875                 if (dvb->fe[0]) {
 876                         if (!dvb_attach(simple_tuner_attach, dvb->fe[0],
 877                                 &dev->i2c_adap, 0x60, TUNER_PHILIPS_CU1216L)) {
 878                                 result = -EINVAL;
 879                                 goto out_free;
 880                         }
 881                 }
 882                 break;
 883         case EM2870_BOARD_KWORLD_A340:
 884                 dvb->fe[0] = dvb_attach(lgdt3305_attach,
 885                                            &em2870_lgdt3304_dev,
 886                                            &dev->i2c_adap);
 887                 if (dvb->fe[0] != NULL)
 888                         dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
 889                                    &dev->i2c_adap, &kworld_a340_config);
 890                 break;
 891         case EM28174_BOARD_PCTV_290E:
 892                 dvb->fe[0] = dvb_attach(cxd2820r_attach,
 893                                         &em28xx_cxd2820r_config,
 894                                         &dev->i2c_adap);
 895                 if (dvb->fe[0]) {
 896                         /* FE 0 attach tuner */
 897                         if (!dvb_attach(tda18271_attach,
 898                                         dvb->fe[0],
 899                                         0x60,
 900                                         &dev->i2c_adap,
 901                                         &em28xx_cxd2820r_tda18271_config)) {
 902
 903                                 dvb_frontend_detach(dvb->fe[0]);
 904                                 result = -EINVAL;
 905                                 goto out_free;
 906                         }
 907                 }
 908                 break;
 909         case EM2884_BOARD_HAUPPAUGE_WINTV_HVR_930C:
 910         {
 911                 struct xc5000_config cfg;
 912                 hauppauge_hvr930c_init(dev);
 913
 914                 dvb->fe[0] = dvb_attach(drxk_attach,
 915                                         &hauppauge_930c_drxk, &dev->i2c_adap);
 916                 if (!dvb->fe[0]) {
 917                         result = -EINVAL;
 918                         goto out_free;
 919                 }
 920                 /* FIXME: do we need a pll semaphore? */
 921                 dvb->fe[0]->sec_priv = dvb;
 922                 sema_init(&dvb->pll_mutex, 1);
 923                 dvb->gate_ctrl = dvb->fe[0]->ops.i2c_gate_ctrl;
 924                 dvb->fe[0]->ops.i2c_gate_ctrl = drxk_gate_ctrl;
 925
 926                 /* Attach xc5000 */
 927                 memset(&cfg, 0, sizeof(cfg));
 928                 cfg.i2c_address  = 0x61;
 929                 cfg.if_khz = 4000;
 930
 931                 if (dvb->fe[0]->ops.i2c_gate_ctrl)
 932                         dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 1);
 933                 if (!dvb_attach(xc5000_attach, dvb->fe[0], &dev->i2c_adap,
 934                                 &cfg)) {
 935                         result = -EINVAL;
 936                         goto out_free;
 937                 }
 938                 if (dvb->fe[0]->ops.i2c_gate_ctrl)
 939                         dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 0);
 940
 941                 break;
 942         }
 943         case EM2884_BOARD_TERRATEC_H5:
 944         case EM2884_BOARD_CINERGY_HTC_STICK:
 945                 terratec_h5_init(dev);
 946
 947                 dvb->fe[0] = dvb_attach(drxk_attach, &terratec_h5_drxk, &dev->i2c_adap);
 948                 if (!dvb->fe[0]) {
 949                         result = -EINVAL;
 950                         goto out_free;
 951                 }
 952                 /* FIXME: do we need a pll semaphore? */
 953                 dvb->fe[0]->sec_priv = dvb;
 954                 sema_init(&dvb->pll_mutex, 1);
 955                 dvb->gate_ctrl = dvb->fe[0]->ops.i2c_gate_ctrl;
 956                 dvb->fe[0]->ops.i2c_gate_ctrl = drxk_gate_ctrl;
 957
 958                 /* Attach tda18271 to DVB-C frontend */
 959                 if (dvb->fe[0]->ops.i2c_gate_ctrl)
 960                         dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 1);
 961                 if (!dvb_attach(tda18271c2dd_attach, dvb->fe[0], &dev->i2c_adap, 0x60)) {
 962                         result = -EINVAL;
 963                         goto out_free;
 964                 }
 965                 if (dvb->fe[0]->ops.i2c_gate_ctrl)
 966                         dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 0);
 967
 968                 break;
 969         case EM28174_BOARD_PCTV_460E:
 970                 /* attach demod */
 971                 dvb->fe[0] = dvb_attach(tda10071_attach,
 972                         &em28xx_tda10071_config, &dev->i2c_adap);
 973
 974                 /* attach SEC */
 975                 if (dvb->fe[0])
 976                         dvb_attach(a8293_attach, dvb->fe[0], &dev->i2c_adap,
 977                                 &em28xx_a8293_config);
 978                 break;
 979         case EM2874_BOARD_MAXMEDIA_UB425_TC:
 980                 /* attach demodulator */
 981                 dvb->fe[0] = dvb_attach(drxk_attach, &maxmedia_ub425_tc_drxk,
 982                                 &dev->i2c_adap);
 983
 984                 if (dvb->fe[0]) {
 985                         /* disable I2C-gate */
 986                         dvb->fe[0]->ops.i2c_gate_ctrl = NULL;
 987
 988                         /* attach tuner */
 989                         if (!dvb_attach(tda18271c2dd_attach, dvb->fe[0],
 990                                         &dev->i2c_adap, 0x60)) {
 991                                 dvb_frontend_detach(dvb->fe[0]);
 992                                 result = -EINVAL;
 993                                 goto out_free;
 994                         }
 995                 }
 996
 997                 /* TODO: we need drx-3913k firmware in order to support DVB-T */
 998                 em28xx_info("MaxMedia UB425-TC: only DVB-C supported by that " \
 999                                 "driver version\n");
1000
1001                 break;
1002         case EM2884_BOARD_PCTV_510E:
1003         case EM2884_BOARD_PCTV_520E:
1004                 pctv_520e_init(dev);
1005
1006                 /* attach demodulator */
1007                 dvb->fe[0] = dvb_attach(drxk_attach, &pctv_520e_drxk,
1008                                 &dev->i2c_adap);
1009
1010                 if (dvb->fe[0]) {
1011                         /* attach tuner */
1012                         if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
1013                                         &dev->i2c_adap,
1014                                         &em28xx_cxd2820r_tda18271_config)) {
1015                                 dvb_frontend_detach(dvb->fe[0]);
1016                                 result = -EINVAL;
1017                                 goto out_free;
1018                         }
1019                 }
1020                 break;
1021         default:
1022                 em28xx_errdev("/2: The frontend of your DVB/ATSC card"
1023                                 " isn't supported yet\n");
1024                 break;
1025         }
1026         if (NULL == dvb->fe[0]) {
1027                 em28xx_errdev("/2: frontend initialization failed\n");
1028                 result = -EINVAL;
1029                 goto out_free;
1030         }
1031         /* define general-purpose callback pointer */
1032         dvb->fe[0]->callback = em28xx_tuner_callback;
1033         if (dvb->fe[1])
1034                 dvb->fe[1]->callback = em28xx_tuner_callback;
1035
1036         /* register everything */
1037         result = em28xx_register_dvb(dvb, THIS_MODULE, dev, &dev->udev->dev);
1038
1039         if (result < 0)
1040                 goto out_free;
1041
1042         /* MFE lock */
1043         dvb->adapter.mfe_shared = mfe_shared;
1044
1045         em28xx_info("Successfully loaded em28xx-dvb\n");
1046 ret:
1047         em28xx_set_mode(dev, EM28XX_SUSPEND);
1048         mutex_unlock(&dev->lock);
1049         return result;
1050
1051 out_free:
1052         kfree(dvb);
1053         dev->dvb = NULL;
1054         goto ret;
1055 }
1056
1057 static inline void prevent_sleep(struct dvb_frontend_ops *ops)
1058 {
1059         ops->set_voltage = NULL;
1060         ops->sleep = NULL;
1061         ops->tuner_ops.sleep = NULL;
1062 }
1063
1064 static int em28xx_dvb_fini(struct em28xx *dev)
1065 {
1066         if (!dev->board.has_dvb) {
1067                 /* This device does not support the extension */
1068                 return 0;
1069         }
1070
1071         if (dev->dvb) {
1072                 struct em28xx_dvb *dvb = dev->dvb;
1073
1074                 if (dev->state & DEV_DISCONNECTED) {
1075                         /* We cannot tell the device to sleep
1076                          * once it has been unplugged. */
1077                         if (dvb->fe[0])
1078                                 prevent_sleep(&dvb->fe[0]->ops);
1079                         if (dvb->fe[1])
1080                                 prevent_sleep(&dvb->fe[1]->ops);
1081                 }
1082
1083                 em28xx_unregister_dvb(dvb);
1084                 kfree(dvb);
1085                 dev->dvb = NULL;
1086         }
1087
1088         return 0;
1089 }
1090
1091 static struct em28xx_ops dvb_ops = {
1092         .id   = EM28XX_DVB,
1093         .name = "Em28xx dvb Extension",
1094         .init = em28xx_dvb_init,
1095         .fini = em28xx_dvb_fini,
1096 };
1097
1098 static int __init em28xx_dvb_register(void)
1099 {
1100         return em28xx_register_extension(&dvb_ops);
1101 }
1102
1103 static void __exit em28xx_dvb_unregister(void)
1104 {
1105         em28xx_unregister_extension(&dvb_ops);
1106 }
1107
1108 module_init(em28xx_dvb_register);
1109 module_exit(em28xx_dvb_unregister);