drivers/media/video/cx23885/cx23885-dvb.c

   1 /*
   2  *  Driver for the Conexant CX23885 PCIe bridge
   3  *
   4  *  Copyright (c) 2006 Steven Toth <stoth@linuxtv.org>
   5  *
   6  *  This program is free software; you can redistribute it and/or modify
   7  *  it under the terms of the GNU General Public License as published by
   8  *  the Free Software Foundation; either version 2 of the License, or
   9  *  (at your option) any later version.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *
  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 <linux/module.h>
  23 #include <linux/init.h>
  24 #include <linux/device.h>
  25 #include <linux/fs.h>
  26 #include <linux/kthread.h>
  27 #include <linux/file.h>
  28 #include <linux/suspend.h>
  29
  30 #include "cx23885.h"
  31 #include <media/v4l2-common.h>
  32
  33 #include "dvb_ca_en50221.h"
  34 #include "s5h1409.h"
  35 #include "s5h1411.h"
  36 #include "mt2131.h"
  37 #include "tda8290.h"
  38 #include "tda18271.h"
  39 #include "lgdt330x.h"
  40 #include "xc5000.h"
  41 #include "max2165.h"
  42 #include "tda10048.h"
  43 #include "tuner-xc2028.h"
  44 #include "tuner-simple.h"
  45 #include "dib7000p.h"
  46 #include "dibx000_common.h"
  47 #include "zl10353.h"
  48 #include "stv0900.h"
  49 #include "stv0900_reg.h"
  50 #include "stv6110.h"
  51 #include "lnbh24.h"
  52 #include "cx24116.h"
  53 #include "cimax2.h"
  54 #include "lgs8gxx.h"
  55 #include "netup-eeprom.h"
  56 #include "netup-init.h"
  57 #include "lgdt3305.h"
  58 #include "atbm8830.h"
  59 #include "ds3000.h"
  60 #include "cx23885-f300.h"
  61
  62 static unsigned int debug;
  63
  64 #define dprintk(level, fmt, arg...)\
  65         do { if (debug >= level)\
  66                 printk(KERN_DEBUG "%s/0: " fmt, dev->name, ## arg);\
  67         } while (0)
  68
  69 /* ------------------------------------------------------------------ */
  70
  71 static unsigned int alt_tuner;
  72 module_param(alt_tuner, int, 0644);
  73 MODULE_PARM_DESC(alt_tuner, "Enable alternate tuner configuration");
  74
  75 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
  76
  77 /* ------------------------------------------------------------------ */
  78
  79 static int dvb_buf_setup(struct videobuf_queue *q,
  80                          unsigned int *count, unsigned int *size)
  81 {
  82         struct cx23885_tsport *port = q->priv_data;
  83
  84         port->ts_packet_size  = 188 * 4;
  85         port->ts_packet_count = 32;
  86
  87         *size  = port->ts_packet_size * port->ts_packet_count;
  88         *count = 32;
  89         return 0;
  90 }
  91
  92 static int dvb_buf_prepare(struct videobuf_queue *q,
  93                            struct videobuf_buffer *vb, enum v4l2_field field)
  94 {
  95         struct cx23885_tsport *port = q->priv_data;
  96         return cx23885_buf_prepare(q, port, (struct cx23885_buffer *)vb, field);
  97 }
  98
  99 static void dvb_buf_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
 100 {
 101         struct cx23885_tsport *port = q->priv_data;
 102         cx23885_buf_queue(port, (struct cx23885_buffer *)vb);
 103 }
 104
 105 static void dvb_buf_release(struct videobuf_queue *q,
 106                             struct videobuf_buffer *vb)
 107 {
 108         cx23885_free_buffer(q, (struct cx23885_buffer *)vb);
 109 }
 110
 111 static struct videobuf_queue_ops dvb_qops = {
 112         .buf_setup    = dvb_buf_setup,
 113         .buf_prepare  = dvb_buf_prepare,
 114         .buf_queue    = dvb_buf_queue,
 115         .buf_release  = dvb_buf_release,
 116 };
 117
 118 static struct s5h1409_config hauppauge_generic_config = {
 119         .demod_address = 0x32 >> 1,
 120         .output_mode   = S5H1409_SERIAL_OUTPUT,
 121         .gpio          = S5H1409_GPIO_ON,
 122         .qam_if        = 44000,
 123         .inversion     = S5H1409_INVERSION_OFF,
 124         .status_mode   = S5H1409_DEMODLOCKING,
 125         .mpeg_timing   = S5H1409_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK,
 126 };
 127
 128 static struct tda10048_config hauppauge_hvr1200_config = {
 129         .demod_address    = 0x10 >> 1,
 130         .output_mode      = TDA10048_SERIAL_OUTPUT,
 131         .fwbulkwritelen   = TDA10048_BULKWRITE_200,
 132         .inversion        = TDA10048_INVERSION_ON,
 133         .dtv6_if_freq_khz = TDA10048_IF_3300,
 134         .dtv7_if_freq_khz = TDA10048_IF_3800,
 135         .dtv8_if_freq_khz = TDA10048_IF_4300,
 136         .clk_freq_khz     = TDA10048_CLK_16000,
 137 };
 138
 139 static struct tda10048_config hauppauge_hvr1210_config = {
 140         .demod_address    = 0x10 >> 1,
 141         .output_mode      = TDA10048_SERIAL_OUTPUT,
 142         .fwbulkwritelen   = TDA10048_BULKWRITE_200,
 143         .inversion        = TDA10048_INVERSION_ON,
 144         .dtv6_if_freq_khz = TDA10048_IF_3300,
 145         .dtv7_if_freq_khz = TDA10048_IF_3500,
 146         .dtv8_if_freq_khz = TDA10048_IF_4000,
 147         .clk_freq_khz     = TDA10048_CLK_16000,
 148 };
 149
 150 static struct s5h1409_config hauppauge_ezqam_config = {
 151         .demod_address = 0x32 >> 1,
 152         .output_mode   = S5H1409_SERIAL_OUTPUT,
 153         .gpio          = S5H1409_GPIO_OFF,
 154         .qam_if        = 4000,
 155         .inversion     = S5H1409_INVERSION_ON,
 156         .status_mode   = S5H1409_DEMODLOCKING,
 157         .mpeg_timing   = S5H1409_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK,
 158 };
 159
 160 static struct s5h1409_config hauppauge_hvr1800lp_config = {
 161         .demod_address = 0x32 >> 1,
 162         .output_mode   = S5H1409_SERIAL_OUTPUT,
 163         .gpio          = S5H1409_GPIO_OFF,
 164         .qam_if        = 44000,
 165         .inversion     = S5H1409_INVERSION_OFF,
 166         .status_mode   = S5H1409_DEMODLOCKING,
 167         .mpeg_timing   = S5H1409_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK,
 168 };
 169
 170 static struct s5h1409_config hauppauge_hvr1500_config = {
 171         .demod_address = 0x32 >> 1,
 172         .output_mode   = S5H1409_SERIAL_OUTPUT,
 173         .gpio          = S5H1409_GPIO_OFF,
 174         .inversion     = S5H1409_INVERSION_OFF,
 175         .status_mode   = S5H1409_DEMODLOCKING,
 176         .mpeg_timing   = S5H1409_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK,
 177 };
 178
 179 static struct mt2131_config hauppauge_generic_tunerconfig = {
 180         0x61
 181 };
 182
 183 static struct lgdt330x_config fusionhdtv_5_express = {
 184         .demod_address = 0x0e,
 185         .demod_chip = LGDT3303,
 186         .serial_mpeg = 0x40,
 187 };
 188
 189 static struct s5h1409_config hauppauge_hvr1500q_config = {
 190         .demod_address = 0x32 >> 1,
 191         .output_mode   = S5H1409_SERIAL_OUTPUT,
 192         .gpio          = S5H1409_GPIO_ON,
 193         .qam_if        = 44000,
 194         .inversion     = S5H1409_INVERSION_OFF,
 195         .status_mode   = S5H1409_DEMODLOCKING,
 196         .mpeg_timing   = S5H1409_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK,
 197 };
 198
 199 static struct s5h1409_config dvico_s5h1409_config = {
 200         .demod_address = 0x32 >> 1,
 201         .output_mode   = S5H1409_SERIAL_OUTPUT,
 202         .gpio          = S5H1409_GPIO_ON,
 203         .qam_if        = 44000,
 204         .inversion     = S5H1409_INVERSION_OFF,
 205         .status_mode   = S5H1409_DEMODLOCKING,
 206         .mpeg_timing   = S5H1409_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK,
 207 };
 208
 209 static struct s5h1411_config dvico_s5h1411_config = {
 210         .output_mode   = S5H1411_SERIAL_OUTPUT,
 211         .gpio          = S5H1411_GPIO_ON,
 212         .qam_if        = S5H1411_IF_44000,
 213         .vsb_if        = S5H1411_IF_44000,
 214         .inversion     = S5H1411_INVERSION_OFF,
 215         .status_mode   = S5H1411_DEMODLOCKING,
 216         .mpeg_timing   = S5H1411_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK,
 217 };
 218
 219 static struct s5h1411_config hcw_s5h1411_config = {
 220         .output_mode   = S5H1411_SERIAL_OUTPUT,
 221         .gpio          = S5H1411_GPIO_OFF,
 222         .vsb_if        = S5H1411_IF_44000,
 223         .qam_if        = S5H1411_IF_4000,
 224         .inversion     = S5H1411_INVERSION_ON,
 225         .status_mode   = S5H1411_DEMODLOCKING,
 226         .mpeg_timing   = S5H1411_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK,
 227 };
 228
 229 static struct xc5000_config hauppauge_hvr1500q_tunerconfig = {
 230         .i2c_address      = 0x61,
 231         .if_khz           = 5380,
 232 };
 233
 234 static struct xc5000_config dvico_xc5000_tunerconfig = {
 235         .i2c_address      = 0x64,
 236         .if_khz           = 5380,
 237 };
 238
 239 static struct tda829x_config tda829x_no_probe = {
 240         .probe_tuner = TDA829X_DONT_PROBE,
 241 };
 242
 243 static struct tda18271_std_map hauppauge_tda18271_std_map = {
 244         .atsc_6   = { .if_freq = 5380, .agc_mode = 3, .std = 3,
 245                       .if_lvl = 6, .rfagc_top = 0x37 },
 246         .qam_6    = { .if_freq = 4000, .agc_mode = 3, .std = 0,
 247                       .if_lvl = 6, .rfagc_top = 0x37 },
 248 };
 249
 250 static struct tda18271_std_map hauppauge_hvr1200_tda18271_std_map = {
 251         .dvbt_6   = { .if_freq = 3300, .agc_mode = 3, .std = 4,
 252                       .if_lvl = 1, .rfagc_top = 0x37, },
 253         .dvbt_7   = { .if_freq = 3800, .agc_mode = 3, .std = 5,
 254                       .if_lvl = 1, .rfagc_top = 0x37, },
 255         .dvbt_8   = { .if_freq = 4300, .agc_mode = 3, .std = 6,
 256                       .if_lvl = 1, .rfagc_top = 0x37, },
 257 };
 258
 259 static struct tda18271_config hauppauge_tda18271_config = {
 260         .std_map = &hauppauge_tda18271_std_map,
 261         .gate    = TDA18271_GATE_ANALOG,
 262         .output_opt = TDA18271_OUTPUT_LT_OFF,
 263 };
 264
 265 static struct tda18271_config hauppauge_hvr1200_tuner_config = {
 266         .std_map = &hauppauge_hvr1200_tda18271_std_map,
 267         .gate    = TDA18271_GATE_ANALOG,
 268         .output_opt = TDA18271_OUTPUT_LT_OFF,
 269 };
 270
 271 static struct tda18271_config hauppauge_hvr1210_tuner_config = {
 272         .gate    = TDA18271_GATE_DIGITAL,
 273         .output_opt = TDA18271_OUTPUT_LT_OFF,
 274 };
 275
 276 static struct tda18271_std_map hauppauge_hvr127x_std_map = {
 277         .atsc_6   = { .if_freq = 3250, .agc_mode = 3, .std = 4,
 278                       .if_lvl = 1, .rfagc_top = 0x58 },
 279         .qam_6    = { .if_freq = 4000, .agc_mode = 3, .std = 5,
 280                       .if_lvl = 1, .rfagc_top = 0x58 },
 281 };
 282
 283 static struct tda18271_config hauppauge_hvr127x_config = {
 284         .std_map = &hauppauge_hvr127x_std_map,
 285         .output_opt = TDA18271_OUTPUT_LT_OFF,
 286 };
 287
 288 static struct lgdt3305_config hauppauge_lgdt3305_config = {
 289         .i2c_addr           = 0x0e,
 290         .mpeg_mode          = LGDT3305_MPEG_SERIAL,
 291         .tpclk_edge         = LGDT3305_TPCLK_FALLING_EDGE,
 292         .tpvalid_polarity   = LGDT3305_TP_VALID_HIGH,
 293         .deny_i2c_rptr      = 1,
 294         .spectral_inversion = 1,
 295         .qam_if_khz         = 4000,
 296         .vsb_if_khz         = 3250,
 297 };
 298
 299 static struct dibx000_agc_config xc3028_agc_config = {
 300         BAND_VHF | BAND_UHF,    /* band_caps */
 301
 302         /* P_agc_use_sd_mod1=0, P_agc_use_sd_mod2=0, P_agc_freq_pwm_div=0,
 303          * P_agc_inv_pwm1=0, P_agc_inv_pwm2=0,
 304          * P_agc_inh_dc_rv_est=0, P_agc_time_est=3, P_agc_freeze=0,
 305          * P_agc_nb_est=2, P_agc_write=0
 306          */
 307         (0 << 15) | (0 << 14) | (0 << 11) | (0 << 10) | (0 << 9) | (0 << 8) |
 308                 (3 << 5) | (0 << 4) | (2 << 1) | (0 << 0), /* setup */
 309
 310         712,    /* inv_gain */
 311         21,     /* time_stabiliz */
 312
 313         0,      /* alpha_level */
 314         118,    /* thlock */
 315
 316         0,      /* wbd_inv */
 317         2867,   /* wbd_ref */
 318         0,      /* wbd_sel */
 319         2,      /* wbd_alpha */
 320
 321         0,      /* agc1_max */
 322         0,      /* agc1_min */
 323         39718,  /* agc2_max */
 324         9930,   /* agc2_min */
 325         0,      /* agc1_pt1 */
 326         0,      /* agc1_pt2 */
 327         0,      /* agc1_pt3 */
 328         0,      /* agc1_slope1 */
 329         0,      /* agc1_slope2 */
 330         0,      /* agc2_pt1 */
 331         128,    /* agc2_pt2 */
 332         29,     /* agc2_slope1 */
 333         29,     /* agc2_slope2 */
 334
 335         17,     /* alpha_mant */
 336         27,     /* alpha_exp */
 337         23,     /* beta_mant */
 338         51,     /* beta_exp */
 339
 340         1,      /* perform_agc_softsplit */
 341 };
 342
 343 /* PLL Configuration for COFDM BW_MHz = 8.000000
 344  * With external clock = 30.000000 */
 345 static struct dibx000_bandwidth_config xc3028_bw_config = {
 346         60000,  /* internal */
 347         30000,  /* sampling */
 348         1,      /* pll_cfg: prediv */
 349         8,      /* pll_cfg: ratio */
 350         3,      /* pll_cfg: range */
 351         1,      /* pll_cfg: reset */
 352         0,      /* pll_cfg: bypass */
 353         0,      /* misc: refdiv */
 354         0,      /* misc: bypclk_div */
 355         1,      /* misc: IO_CLK_en_core */
 356         1,      /* misc: ADClkSrc */
 357         0,      /* misc: modulo */
 358         (3 << 14) | (1 << 12) | (524 << 0), /* sad_cfg: refsel, sel, freq_15k */
 359         (1 << 25) | 5816102, /* ifreq = 5.200000 MHz */
 360         20452225, /* timf */
 361         30000000  /* xtal_hz */
 362 };
 363
 364 static struct dib7000p_config hauppauge_hvr1400_dib7000_config = {
 365         .output_mpeg2_in_188_bytes = 1,
 366         .hostbus_diversity = 1,
 367         .tuner_is_baseband = 0,
 368         .update_lna  = NULL,
 369
 370         .agc_config_count = 1,
 371         .agc = &xc3028_agc_config,
 372         .bw  = &xc3028_bw_config,
 373
 374         .gpio_dir = DIB7000P_GPIO_DEFAULT_DIRECTIONS,
 375         .gpio_val = DIB7000P_GPIO_DEFAULT_VALUES,
 376         .gpio_pwm_pos = DIB7000P_GPIO_DEFAULT_PWM_POS,
 377
 378         .pwm_freq_div = 0,
 379         .agc_control  = NULL,
 380         .spur_protect = 0,
 381
 382         .output_mode = OUTMODE_MPEG2_SERIAL,
 383 };
 384
 385 static struct zl10353_config dvico_fusionhdtv_xc3028 = {
 386         .demod_address = 0x0f,
 387         .if2           = 45600,
 388         .no_tuner      = 1,
 389         .disable_i2c_gate_ctrl = 1,
 390 };
 391
 392 static struct stv0900_reg stv0900_ts_regs[] = {
 393         { R0900_TSGENERAL, 0x00 },
 394         { R0900_P1_TSSPEED, 0x40 },
 395         { R0900_P2_TSSPEED, 0x40 },
 396         { R0900_P1_TSCFGM, 0xc0 },
 397         { R0900_P2_TSCFGM, 0xc0 },
 398         { R0900_P1_TSCFGH, 0xe0 },
 399         { R0900_P2_TSCFGH, 0xe0 },
 400         { R0900_P1_TSCFGL, 0x20 },
 401         { R0900_P2_TSCFGL, 0x20 },
 402         { 0xffff, 0xff }, /* terminate */
 403 };
 404
 405 static struct stv0900_config netup_stv0900_config = {
 406         .demod_address = 0x68,
 407         .demod_mode = 1, /* dual */
 408         .xtal = 8000000,
 409         .clkmode = 3,/* 0-CLKI, 2-XTALI, else AUTO */
 410         .diseqc_mode = 2,/* 2/3 PWM */
 411         .ts_config_regs = stv0900_ts_regs,
 412         .tun1_maddress = 0,/* 0x60 */
 413         .tun2_maddress = 3,/* 0x63 */
 414         .tun1_adc = 1,/* 1 Vpp */
 415         .tun2_adc = 1,/* 1 Vpp */
 416 };
 417
 418 static struct stv6110_config netup_stv6110_tunerconfig_a = {
 419         .i2c_address = 0x60,
 420         .mclk = 16000000,
 421         .clk_div = 1,
 422         .gain = 8, /* +16 dB  - maximum gain */
 423 };
 424
 425 static struct stv6110_config netup_stv6110_tunerconfig_b = {
 426         .i2c_address = 0x63,
 427         .mclk = 16000000,
 428         .clk_div = 1,
 429         .gain = 8, /* +16 dB  - maximum gain */
 430 };
 431
 432 static struct cx24116_config tbs_cx24116_config = {
 433         .demod_address = 0x55,
 434 };
 435
 436 static struct ds3000_config tevii_ds3000_config = {
 437         .demod_address = 0x68,
 438 };
 439
 440 static struct cx24116_config dvbworld_cx24116_config = {
 441         .demod_address = 0x05,
 442 };
 443
 444 static struct lgs8gxx_config mygica_x8506_lgs8gl5_config = {
 445         .prod = LGS8GXX_PROD_LGS8GL5,
 446         .demod_address = 0x19,
 447         .serial_ts = 0,
 448         .ts_clk_pol = 1,
 449         .ts_clk_gated = 1,
 450         .if_clk_freq = 30400, /* 30.4 MHz */
 451         .if_freq = 5380, /* 5.38 MHz */
 452         .if_neg_center = 1,
 453         .ext_adc = 0,
 454         .adc_signed = 0,
 455         .if_neg_edge = 0,
 456 };
 457
 458 static struct xc5000_config mygica_x8506_xc5000_config = {
 459         .i2c_address = 0x61,
 460         .if_khz = 5380,
 461 };
 462
 463 static int cx23885_dvb_set_frontend(struct dvb_frontend *fe,
 464                                     struct dvb_frontend_parameters *param)
 465 {
 466         struct cx23885_tsport *port = fe->dvb->priv;
 467         struct cx23885_dev *dev = port->dev;
 468
 469         switch (dev->board) {
 470         case CX23885_BOARD_HAUPPAUGE_HVR1275:
 471                 switch (param->u.vsb.modulation) {
 472                 case VSB_8:
 473                         cx23885_gpio_clear(dev, GPIO_5);
 474                         break;
 475                 case QAM_64:
 476                 case QAM_256:
 477                 default:
 478                         cx23885_gpio_set(dev, GPIO_5);
 479                         break;
 480                 }
 481                 break;
 482         case CX23885_BOARD_MYGICA_X8506:
 483         case CX23885_BOARD_MAGICPRO_PROHDTVE2:
 484                 /* Select Digital TV */
 485                 cx23885_gpio_set(dev, GPIO_0);
 486                 break;
 487         }
 488         return 0;
 489 }
 490
 491 static int cx23885_dvb_fe_ioctl_override(struct dvb_frontend *fe,
 492                                          unsigned int cmd, void *parg,
 493                                          unsigned int stage)
 494 {
 495         int err = 0;
 496
 497         switch (stage) {
 498         case DVB_FE_IOCTL_PRE:
 499
 500                 switch (cmd) {
 501                 case FE_SET_FRONTEND:
 502                         err = cx23885_dvb_set_frontend(fe,
 503                                 (struct dvb_frontend_parameters *) parg);
 504                         break;
 505                 }
 506                 break;
 507
 508         case DVB_FE_IOCTL_POST:
 509                 /* no post-ioctl handling required */
 510                 break;
 511         }
 512         return err;
 513 };
 514
 515
 516 static struct lgs8gxx_config magicpro_prohdtve2_lgs8g75_config = {
 517         .prod = LGS8GXX_PROD_LGS8G75,
 518         .demod_address = 0x19,
 519         .serial_ts = 0,
 520         .ts_clk_pol = 1,
 521         .ts_clk_gated = 1,
 522         .if_clk_freq = 30400, /* 30.4 MHz */
 523         .if_freq = 6500, /* 6.50 MHz */
 524         .if_neg_center = 1,
 525         .ext_adc = 0,
 526         .adc_signed = 1,
 527         .adc_vpp = 2, /* 1.6 Vpp */
 528         .if_neg_edge = 1,
 529 };
 530
 531 static struct xc5000_config magicpro_prohdtve2_xc5000_config = {
 532         .i2c_address = 0x61,
 533         .if_khz = 6500,
 534 };
 535
 536 static struct atbm8830_config mygica_x8558pro_atbm8830_cfg1 = {
 537         .prod = ATBM8830_PROD_8830,
 538         .demod_address = 0x44,
 539         .serial_ts = 0,
 540         .ts_sampling_edge = 1,
 541         .ts_clk_gated = 0,
 542         .osc_clk_freq = 30400, /* in kHz */
 543         .if_freq = 0, /* zero IF */
 544         .zif_swap_iq = 1,
 545 };
 546
 547 static struct max2165_config mygic_x8558pro_max2165_cfg1 = {
 548         .i2c_address = 0x60,
 549         .osc_clk = 20
 550 };
 551
 552 static struct atbm8830_config mygica_x8558pro_atbm8830_cfg2 = {
 553         .prod = ATBM8830_PROD_8830,
 554         .demod_address = 0x44,
 555         .serial_ts = 1,
 556         .ts_sampling_edge = 1,
 557         .ts_clk_gated = 0,
 558         .osc_clk_freq = 30400, /* in kHz */
 559         .if_freq = 0, /* zero IF */
 560         .zif_swap_iq = 1,
 561 };
 562
 563 static struct max2165_config mygic_x8558pro_max2165_cfg2 = {
 564         .i2c_address = 0x60,
 565         .osc_clk = 20
 566 };
 567
 568 static int dvb_register(struct cx23885_tsport *port)
 569 {
 570         struct cx23885_dev *dev = port->dev;
 571         struct cx23885_i2c *i2c_bus = NULL, *i2c_bus2 = NULL;
 572         struct videobuf_dvb_frontend *fe0;
 573         int ret;
 574
 575         /* Get the first frontend */
 576         fe0 = videobuf_dvb_get_frontend(&port->frontends, 1);
 577         if (!fe0)
 578                 return -EINVAL;
 579
 580         /* init struct videobuf_dvb */
 581         fe0->dvb.name = dev->name;
 582
 583         /* init frontend */
 584         switch (dev->board) {
 585         case CX23885_BOARD_HAUPPAUGE_HVR1250:
 586                 i2c_bus = &dev->i2c_bus[0];
 587                 fe0->dvb.frontend = dvb_attach(s5h1409_attach,
 588                                                 &hauppauge_generic_config,
 589                                                 &i2c_bus->i2c_adap);
 590                 if (fe0->dvb.frontend != NULL) {
 591                         dvb_attach(mt2131_attach, fe0->dvb.frontend,
 592                                    &i2c_bus->i2c_adap,
 593                                    &hauppauge_generic_tunerconfig, 0);
 594                 }
 595                 break;
 596         case CX23885_BOARD_HAUPPAUGE_HVR1270:
 597         case CX23885_BOARD_HAUPPAUGE_HVR1275:
 598                 i2c_bus = &dev->i2c_bus[0];
 599                 fe0->dvb.frontend = dvb_attach(lgdt3305_attach,
 600                                                &hauppauge_lgdt3305_config,
 601                                                &i2c_bus->i2c_adap);
 602                 if (fe0->dvb.frontend != NULL) {
 603                         dvb_attach(tda18271_attach, fe0->dvb.frontend,
 604                                    0x60, &dev->i2c_bus[1].i2c_adap,
 605                                    &hauppauge_hvr127x_config);
 606                 }
 607                 break;
 608         case CX23885_BOARD_HAUPPAUGE_HVR1255:
 609                 i2c_bus = &dev->i2c_bus[0];
 610                 fe0->dvb.frontend = dvb_attach(s5h1411_attach,
 611                                                &hcw_s5h1411_config,
 612                                                &i2c_bus->i2c_adap);
 613                 if (fe0->dvb.frontend != NULL) {
 614                         dvb_attach(tda18271_attach, fe0->dvb.frontend,
 615                                    0x60, &dev->i2c_bus[1].i2c_adap,
 616                                    &hauppauge_tda18271_config);
 617                 }
 618                 break;
 619         case CX23885_BOARD_HAUPPAUGE_HVR1800:
 620                 i2c_bus = &dev->i2c_bus[0];
 621                 switch (alt_tuner) {
 622                 case 1:
 623                         fe0->dvb.frontend =
 624                                 dvb_attach(s5h1409_attach,
 625                                            &hauppauge_ezqam_config,
 626                                            &i2c_bus->i2c_adap);
 627                         if (fe0->dvb.frontend != NULL) {
 628                                 dvb_attach(tda829x_attach, fe0->dvb.frontend,
 629                                            &dev->i2c_bus[1].i2c_adap, 0x42,
 630                                            &tda829x_no_probe);
 631                                 dvb_attach(tda18271_attach, fe0->dvb.frontend,
 632                                            0x60, &dev->i2c_bus[1].i2c_adap,
 633                                            &hauppauge_tda18271_config);
 634                         }
 635                         break;
 636                 case 0:
 637                 default:
 638                         fe0->dvb.frontend =
 639                                 dvb_attach(s5h1409_attach,
 640                                            &hauppauge_generic_config,
 641                                            &i2c_bus->i2c_adap);
 642                         if (fe0->dvb.frontend != NULL)
 643                                 dvb_attach(mt2131_attach, fe0->dvb.frontend,
 644                                            &i2c_bus->i2c_adap,
 645                                            &hauppauge_generic_tunerconfig, 0);
 646                         break;
 647                 }
 648                 break;
 649         case CX23885_BOARD_HAUPPAUGE_HVR1800lp:
 650                 i2c_bus = &dev->i2c_bus[0];
 651                 fe0->dvb.frontend = dvb_attach(s5h1409_attach,
 652                                                 &hauppauge_hvr1800lp_config,
 653                                                 &i2c_bus->i2c_adap);
 654                 if (fe0->dvb.frontend != NULL) {
 655                         dvb_attach(mt2131_attach, fe0->dvb.frontend,
 656                                    &i2c_bus->i2c_adap,
 657                                    &hauppauge_generic_tunerconfig, 0);
 658                 }
 659                 break;
 660         case CX23885_BOARD_DVICO_FUSIONHDTV_5_EXP:
 661                 i2c_bus = &dev->i2c_bus[0];
 662                 fe0->dvb.frontend = dvb_attach(lgdt330x_attach,
 663                                                 &fusionhdtv_5_express,
 664                                                 &i2c_bus->i2c_adap);
 665                 if (fe0->dvb.frontend != NULL) {
 666                         dvb_attach(simple_tuner_attach, fe0->dvb.frontend,
 667                                    &i2c_bus->i2c_adap, 0x61,
 668                                    TUNER_LG_TDVS_H06XF);
 669                 }
 670                 break;
 671         case CX23885_BOARD_HAUPPAUGE_HVR1500Q:
 672                 i2c_bus = &dev->i2c_bus[1];
 673                 fe0->dvb.frontend = dvb_attach(s5h1409_attach,
 674                                                 &hauppauge_hvr1500q_config,
 675                                                 &dev->i2c_bus[0].i2c_adap);
 676                 if (fe0->dvb.frontend != NULL)
 677                         dvb_attach(xc5000_attach, fe0->dvb.frontend,
 678                                    &i2c_bus->i2c_adap,
 679                                    &hauppauge_hvr1500q_tunerconfig);
 680                 break;
 681         case CX23885_BOARD_HAUPPAUGE_HVR1500:
 682                 i2c_bus = &dev->i2c_bus[1];
 683                 fe0->dvb.frontend = dvb_attach(s5h1409_attach,
 684                                                 &hauppauge_hvr1500_config,
 685                                                 &dev->i2c_bus[0].i2c_adap);
 686                 if (fe0->dvb.frontend != NULL) {
 687                         struct dvb_frontend *fe;
 688                         struct xc2028_config cfg = {
 689                                 .i2c_adap  = &i2c_bus->i2c_adap,
 690                                 .i2c_addr  = 0x61,
 691                         };
 692                         static struct xc2028_ctrl ctl = {
 693                                 .fname       = XC2028_DEFAULT_FIRMWARE,
 694                                 .max_len     = 64,
 695                                 .demod       = XC3028_FE_OREN538,
 696                         };
 697
 698                         fe = dvb_attach(xc2028_attach,
 699                                         fe0->dvb.frontend, &cfg);
 700                         if (fe != NULL && fe->ops.tuner_ops.set_config != NULL)
 701                                 fe->ops.tuner_ops.set_config(fe, &ctl);
 702                 }
 703                 break;
 704         case CX23885_BOARD_HAUPPAUGE_HVR1200:
 705         case CX23885_BOARD_HAUPPAUGE_HVR1700:
 706                 i2c_bus = &dev->i2c_bus[0];
 707                 fe0->dvb.frontend = dvb_attach(tda10048_attach,
 708                         &hauppauge_hvr1200_config,
 709                         &i2c_bus->i2c_adap);
 710                 if (fe0->dvb.frontend != NULL) {
 711                         dvb_attach(tda829x_attach, fe0->dvb.frontend,
 712                                 &dev->i2c_bus[1].i2c_adap, 0x42,
 713                                 &tda829x_no_probe);
 714                         dvb_attach(tda18271_attach, fe0->dvb.frontend,
 715                                 0x60, &dev->i2c_bus[1].i2c_adap,
 716                                 &hauppauge_hvr1200_tuner_config);
 717                 }
 718                 break;
 719         case CX23885_BOARD_HAUPPAUGE_HVR1210:
 720                 i2c_bus = &dev->i2c_bus[0];
 721                 fe0->dvb.frontend = dvb_attach(tda10048_attach,
 722                         &hauppauge_hvr1210_config,
 723                         &i2c_bus->i2c_adap);
 724                 if (fe0->dvb.frontend != NULL) {
 725                         dvb_attach(tda18271_attach, fe0->dvb.frontend,
 726                                 0x60, &dev->i2c_bus[1].i2c_adap,
 727                                 &hauppauge_hvr1210_tuner_config);
 728                 }
 729                 break;
 730         case CX23885_BOARD_HAUPPAUGE_HVR1400:
 731                 i2c_bus = &dev->i2c_bus[0];
 732                 fe0->dvb.frontend = dvb_attach(dib7000p_attach,
 733                         &i2c_bus->i2c_adap,
 734                         0x12, &hauppauge_hvr1400_dib7000_config);
 735                 if (fe0->dvb.frontend != NULL) {
 736                         struct dvb_frontend *fe;
 737                         struct xc2028_config cfg = {
 738                                 .i2c_adap  = &dev->i2c_bus[1].i2c_adap,
 739                                 .i2c_addr  = 0x64,
 740                         };
 741                         static struct xc2028_ctrl ctl = {
 742                                 .fname   = XC3028L_DEFAULT_FIRMWARE,
 743                                 .max_len = 64,
 744                                 .demod   = 5000,
 745                                 /* This is true for all demods with
 746                                         v36 firmware? */
 747                                 .type    = XC2028_D2633,
 748                         };
 749
 750                         fe = dvb_attach(xc2028_attach,
 751                                         fe0->dvb.frontend, &cfg);
 752                         if (fe != NULL && fe->ops.tuner_ops.set_config != NULL)
 753                                 fe->ops.tuner_ops.set_config(fe, &ctl);
 754                 }
 755                 break;
 756         case CX23885_BOARD_DVICO_FUSIONHDTV_7_DUAL_EXP:
 757                 i2c_bus = &dev->i2c_bus[port->nr - 1];
 758
 759                 fe0->dvb.frontend = dvb_attach(s5h1409_attach,
 760                                                 &dvico_s5h1409_config,
 761                                                 &i2c_bus->i2c_adap);
 762                 if (fe0->dvb.frontend == NULL)
 763                         fe0->dvb.frontend = dvb_attach(s5h1411_attach,
 764                                                         &dvico_s5h1411_config,
 765                                                         &i2c_bus->i2c_adap);
 766                 if (fe0->dvb.frontend != NULL)
 767                         dvb_attach(xc5000_attach, fe0->dvb.frontend,
 768                                    &i2c_bus->i2c_adap,
 769                                    &dvico_xc5000_tunerconfig);
 770                 break;
 771         case CX23885_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL_EXP: {
 772                 i2c_bus = &dev->i2c_bus[port->nr - 1];
 773
 774                 fe0->dvb.frontend = dvb_attach(zl10353_attach,
 775                                                &dvico_fusionhdtv_xc3028,
 776                                                &i2c_bus->i2c_adap);
 777                 if (fe0->dvb.frontend != NULL) {
 778                         struct dvb_frontend      *fe;
 779                         struct xc2028_config      cfg = {
 780                                 .i2c_adap  = &i2c_bus->i2c_adap,
 781                                 .i2c_addr  = 0x61,
 782                         };
 783                         static struct xc2028_ctrl ctl = {
 784                                 .fname       = XC2028_DEFAULT_FIRMWARE,
 785                                 .max_len     = 64,
 786                                 .demod       = XC3028_FE_ZARLINK456,
 787                         };
 788
 789                         fe = dvb_attach(xc2028_attach, fe0->dvb.frontend,
 790                                         &cfg);
 791                         if (fe != NULL && fe->ops.tuner_ops.set_config != NULL)
 792                                 fe->ops.tuner_ops.set_config(fe, &ctl);
 793                 }
 794                 break;
 795         }
 796         case CX23885_BOARD_LEADTEK_WINFAST_PXDVR3200_H:
 797         case CX23885_BOARD_COMPRO_VIDEOMATE_E650F:
 798         case CX23885_BOARD_COMPRO_VIDEOMATE_E800:
 799                 i2c_bus = &dev->i2c_bus[0];
 800
 801                 fe0->dvb.frontend = dvb_attach(zl10353_attach,
 802                         &dvico_fusionhdtv_xc3028,
 803                         &i2c_bus->i2c_adap);
 804                 if (fe0->dvb.frontend != NULL) {
 805                         struct dvb_frontend      *fe;
 806                         struct xc2028_config      cfg = {
 807                                 .i2c_adap  = &dev->i2c_bus[1].i2c_adap,
 808                                 .i2c_addr  = 0x61,
 809                         };
 810                         static struct xc2028_ctrl ctl = {
 811                                 .fname       = XC2028_DEFAULT_FIRMWARE,
 812                                 .max_len     = 64,
 813                                 .demod       = XC3028_FE_ZARLINK456,
 814                         };
 815
 816                         fe = dvb_attach(xc2028_attach, fe0->dvb.frontend,
 817                                 &cfg);
 818                         if (fe != NULL && fe->ops.tuner_ops.set_config != NULL)
 819                                 fe->ops.tuner_ops.set_config(fe, &ctl);
 820                 }
 821                 break;
 822         case CX23885_BOARD_TBS_6920:
 823                 i2c_bus = &dev->i2c_bus[1];
 824
 825                 fe0->dvb.frontend = dvb_attach(cx24116_attach,
 826                                         &tbs_cx24116_config,
 827                                         &i2c_bus->i2c_adap);
 828                 if (fe0->dvb.frontend != NULL)
 829                         fe0->dvb.frontend->ops.set_voltage = f300_set_voltage;
 830
 831                 break;
 832         case CX23885_BOARD_TEVII_S470:
 833                 i2c_bus = &dev->i2c_bus[1];
 834
 835                 fe0->dvb.frontend = dvb_attach(ds3000_attach,
 836                                         &tevii_ds3000_config,
 837                                         &i2c_bus->i2c_adap);
 838                 if (fe0->dvb.frontend != NULL)
 839                         fe0->dvb.frontend->ops.set_voltage = f300_set_voltage;
 840
 841                 break;
 842         case CX23885_BOARD_DVBWORLD_2005:
 843                 i2c_bus = &dev->i2c_bus[1];
 844
 845                 fe0->dvb.frontend = dvb_attach(cx24116_attach,
 846                         &dvbworld_cx24116_config,
 847                         &i2c_bus->i2c_adap);
 848                 break;
 849         case CX23885_BOARD_NETUP_DUAL_DVBS2_CI:
 850                 i2c_bus = &dev->i2c_bus[0];
 851                 switch (port->nr) {
 852                 /* port B */
 853                 case 1:
 854                         fe0->dvb.frontend = dvb_attach(stv0900_attach,
 855                                                         &netup_stv0900_config,
 856                                                         &i2c_bus->i2c_adap, 0);
 857                         if (fe0->dvb.frontend != NULL) {
 858                                 if (dvb_attach(stv6110_attach,
 859                                                 fe0->dvb.frontend,
 860                                                 &netup_stv6110_tunerconfig_a,
 861                                                 &i2c_bus->i2c_adap)) {
 862                                         if (!dvb_attach(lnbh24_attach,
 863                                                         fe0->dvb.frontend,
 864                                                         &i2c_bus->i2c_adap,
 865                                                         LNBH24_PCL | LNBH24_TTX,
 866                                                         LNBH24_TEN, 0x09))
 867                                                 printk(KERN_ERR
 868                                                         "No LNBH24 found!\n");
 869
 870                                 }
 871                         }
 872                         break;
 873                 /* port C */
 874                 case 2:
 875                         fe0->dvb.frontend = dvb_attach(stv0900_attach,
 876                                                         &netup_stv0900_config,
 877                                                         &i2c_bus->i2c_adap, 1);
 878                         if (fe0->dvb.frontend != NULL) {
 879                                 if (dvb_attach(stv6110_attach,
 880                                                 fe0->dvb.frontend,
 881                                                 &netup_stv6110_tunerconfig_b,
 882                                                 &i2c_bus->i2c_adap)) {
 883                                         if (!dvb_attach(lnbh24_attach,
 884                                                         fe0->dvb.frontend,
 885                                                         &i2c_bus->i2c_adap,
 886                                                         LNBH24_PCL | LNBH24_TTX,
 887                                                         LNBH24_TEN, 0x0a))
 888                                                 printk(KERN_ERR
 889                                                         "No LNBH24 found!\n");
 890
 891                                 }
 892                         }
 893                         break;
 894                 }
 895                 break;
 896         case CX23885_BOARD_MYGICA_X8506:
 897                 i2c_bus = &dev->i2c_bus[0];
 898                 i2c_bus2 = &dev->i2c_bus[1];
 899                 fe0->dvb.frontend = dvb_attach(lgs8gxx_attach,
 900                         &mygica_x8506_lgs8gl5_config,
 901                         &i2c_bus->i2c_adap);
 902                 if (fe0->dvb.frontend != NULL) {
 903                         dvb_attach(xc5000_attach,
 904                                 fe0->dvb.frontend,
 905                                 &i2c_bus2->i2c_adap,
 906                                 &mygica_x8506_xc5000_config);
 907                 }
 908                 break;
 909         case CX23885_BOARD_MAGICPRO_PROHDTVE2:
 910                 i2c_bus = &dev->i2c_bus[0];
 911                 i2c_bus2 = &dev->i2c_bus[1];
 912                 fe0->dvb.frontend = dvb_attach(lgs8gxx_attach,
 913                         &magicpro_prohdtve2_lgs8g75_config,
 914                         &i2c_bus->i2c_adap);
 915                 if (fe0->dvb.frontend != NULL) {
 916                         dvb_attach(xc5000_attach,
 917                                 fe0->dvb.frontend,
 918                                 &i2c_bus2->i2c_adap,
 919                                 &magicpro_prohdtve2_xc5000_config);
 920                 }
 921                 break;
 922         case CX23885_BOARD_HAUPPAUGE_HVR1850:
 923         case CX23885_BOARD_HAUPPAUGE_HVR1290:
 924                 i2c_bus = &dev->i2c_bus[0];
 925                 fe0->dvb.frontend = dvb_attach(s5h1411_attach,
 926                         &hcw_s5h1411_config,
 927                         &i2c_bus->i2c_adap);
 928                 if (fe0->dvb.frontend != NULL)
 929                         dvb_attach(tda18271_attach, fe0->dvb.frontend,
 930                                 0x60, &dev->i2c_bus[0].i2c_adap,
 931                                 &hauppauge_tda18271_config);
 932                 break;
 933         case CX23885_BOARD_MYGICA_X8558PRO:
 934                 switch (port->nr) {
 935                 /* port B */
 936                 case 1:
 937                         i2c_bus = &dev->i2c_bus[0];
 938                         fe0->dvb.frontend = dvb_attach(atbm8830_attach,
 939                                 &mygica_x8558pro_atbm8830_cfg1,
 940                                 &i2c_bus->i2c_adap);
 941                         if (fe0->dvb.frontend != NULL) {
 942                                 dvb_attach(max2165_attach,
 943                                         fe0->dvb.frontend,
 944                                         &i2c_bus->i2c_adap,
 945                                         &mygic_x8558pro_max2165_cfg1);
 946                         }
 947                         break;
 948                 /* port C */
 949                 case 2:
 950                         i2c_bus = &dev->i2c_bus[1];
 951                         fe0->dvb.frontend = dvb_attach(atbm8830_attach,
 952                                 &mygica_x8558pro_atbm8830_cfg2,
 953                                 &i2c_bus->i2c_adap);
 954                         if (fe0->dvb.frontend != NULL) {
 955                                 dvb_attach(max2165_attach,
 956                                         fe0->dvb.frontend,
 957                                         &i2c_bus->i2c_adap,
 958                                         &mygic_x8558pro_max2165_cfg2);
 959                         }
 960                         break;
 961                 }
 962                 break;
 963
 964         default:
 965                 printk(KERN_INFO "%s: The frontend of your DVB/ATSC card "
 966                         " isn't supported yet\n",
 967                        dev->name);
 968                 break;
 969         }
 970         if (NULL == fe0->dvb.frontend) {
 971                 printk(KERN_ERR "%s: frontend initialization failed\n",
 972                         dev->name);
 973                 return -1;
 974         }
 975         /* define general-purpose callback pointer */
 976         fe0->dvb.frontend->callback = cx23885_tuner_callback;
 977
 978         /* Put the analog decoder in standby to keep it quiet */
 979         call_all(dev, core, s_power, 0);
 980
 981         if (fe0->dvb.frontend->ops.analog_ops.standby)
 982                 fe0->dvb.frontend->ops.analog_ops.standby(fe0->dvb.frontend);
 983
 984         /* register everything */
 985         ret = videobuf_dvb_register_bus(&port->frontends, THIS_MODULE, port,
 986                                         &dev->pci->dev, adapter_nr, 0,
 987                                         cx23885_dvb_fe_ioctl_override);
 988
 989         /* init CI & MAC */
 990         switch (dev->board) {
 991         case CX23885_BOARD_NETUP_DUAL_DVBS2_CI: {
 992                 static struct netup_card_info cinfo;
 993
 994                 netup_get_card_info(&dev->i2c_bus[0].i2c_adap, &cinfo);
 995                 memcpy(port->frontends.adapter.proposed_mac,
 996                                 cinfo.port[port->nr - 1].mac, 6);
 997                 printk(KERN_INFO "NetUP Dual DVB-S2 CI card port%d MAC="
 998                         "%02X:%02X:%02X:%02X:%02X:%02X\n",
 999                         port->nr,
1000                         port->frontends.adapter.proposed_mac[0],
1001                         port->frontends.adapter.proposed_mac[1],
1002                         port->frontends.adapter.proposed_mac[2],
1003                         port->frontends.adapter.proposed_mac[3],
1004                         port->frontends.adapter.proposed_mac[4],
1005                         port->frontends.adapter.proposed_mac[5]);
1006
1007                 netup_ci_init(port);
1008                 break;
1009                 }
1010         }
1011
1012         return ret;
1013 }
1014
1015 int cx23885_dvb_register(struct cx23885_tsport *port)
1016 {
1017
1018         struct videobuf_dvb_frontend *fe0;
1019         struct cx23885_dev *dev = port->dev;
1020         int err, i;
1021
1022         /* Here we need to allocate the correct number of frontends,
1023          * as reflected in the cards struct. The reality is that currently
1024          * no cx23885 boards support this - yet. But, if we don't modify this
1025          * code then the second frontend would never be allocated (later)
1026          * and fail with error before the attach in dvb_register().
1027          * Without these changes we risk an OOPS later. The changes here
1028          * are for safety, and should provide a good foundation for the
1029          * future addition of any multi-frontend cx23885 based boards.
1030          */
1031         printk(KERN_INFO "%s() allocating %d frontend(s)\n", __func__,
1032                 port->num_frontends);
1033
1034         for (i = 1; i <= port->num_frontends; i++) {
1035                 if (videobuf_dvb_alloc_frontend(
1036                         &port->frontends, i) == NULL) {
1037                         printk(KERN_ERR "%s() failed to alloc\n", __func__);
1038                         return -ENOMEM;
1039                 }
1040
1041                 fe0 = videobuf_dvb_get_frontend(&port->frontends, i);
1042                 if (!fe0)
1043                         err = -EINVAL;
1044
1045                 dprintk(1, "%s\n", __func__);
1046                 dprintk(1, " ->probed by Card=%d Name=%s, PCI %02x:%02x\n",
1047                         dev->board,
1048                         dev->name,
1049                         dev->pci_bus,
1050                         dev->pci_slot);
1051
1052                 err = -ENODEV;
1053
1054                 /* dvb stuff */
1055                 /* We have to init the queue for each frontend on a port. */
1056                 printk(KERN_INFO "%s: cx23885 based dvb card\n", dev->name);
1057                 videobuf_queue_sg_init(&fe0->dvb.dvbq, &dvb_qops,
1058                             &dev->pci->dev, &port->slock,
1059                             V4L2_BUF_TYPE_VIDEO_CAPTURE, V4L2_FIELD_TOP,
1060                             sizeof(struct cx23885_buffer), port);
1061         }
1062         err = dvb_register(port);
1063         if (err != 0)
1064                 printk(KERN_ERR "%s() dvb_register failed err = %d\n",
1065                         __func__, err);
1066
1067         return err;
1068 }
1069
1070 int cx23885_dvb_unregister(struct cx23885_tsport *port)
1071 {
1072         struct videobuf_dvb_frontend *fe0;
1073
1074         /* FIXME: in an error condition where the we have
1075          * an expected number of frontends (attach problem)
1076          * then this might not clean up correctly, if 1
1077          * is invalid.
1078          * This comment only applies to future boards IF they
1079          * implement MFE support.
1080          */
1081         fe0 = videobuf_dvb_get_frontend(&port->frontends, 1);
1082         if (fe0->dvb.frontend)
1083                 videobuf_dvb_unregister_bus(&port->frontends);
1084
1085         switch (port->dev->board) {
1086         case CX23885_BOARD_NETUP_DUAL_DVBS2_CI:
1087                 netup_ci_exit(port);
1088                 break;
1089         }
1090
1091         return 0;
1092 }
1093