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 "s5h1409.h"
  34 #include "s5h1411.h"
  35 #include "mt2131.h"
  36 #include "tda8290.h"
  37 #include "tda18271.h"
  38 #include "lgdt330x.h"
  39 #include "xc5000.h"
  40 #include "tda10048.h"
  41 #include "tuner-xc2028.h"
  42 #include "tuner-simple.h"
  43 #include "dib7000p.h"
  44 #include "dibx000_common.h"
  45 #include "zl10353.h"
  46 #include "cx24116.h"
  47
  48 static unsigned int debug;
  49
  50 #define dprintk(level, fmt, arg...)\
  51         do { if (debug >= level)\
  52                 printk(KERN_DEBUG "%s/0: " fmt, dev->name, ## arg);\
  53         } while (0)
  54
  55 /* ------------------------------------------------------------------ */
  56
  57 static unsigned int alt_tuner;
  58 module_param(alt_tuner, int, 0644);
  59 MODULE_PARM_DESC(alt_tuner, "Enable alternate tuner configuration");
  60
  61 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
  62
  63 /* ------------------------------------------------------------------ */
  64
  65 static int dvb_buf_setup(struct videobuf_queue *q,
  66                          unsigned int *count, unsigned int *size)
  67 {
  68         struct cx23885_tsport *port = q->priv_data;
  69
  70         port->ts_packet_size  = 188 * 4;
  71         port->ts_packet_count = 32;
  72
  73         *size  = port->ts_packet_size * port->ts_packet_count;
  74         *count = 32;
  75         return 0;
  76 }
  77
  78 static int dvb_buf_prepare(struct videobuf_queue *q,
  79                            struct videobuf_buffer *vb, enum v4l2_field field)
  80 {
  81         struct cx23885_tsport *port = q->priv_data;
  82         return cx23885_buf_prepare(q, port, (struct cx23885_buffer *)vb, field);
  83 }
  84
  85 static void dvb_buf_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
  86 {
  87         struct cx23885_tsport *port = q->priv_data;
  88         cx23885_buf_queue(port, (struct cx23885_buffer *)vb);
  89 }
  90
  91 static void dvb_buf_release(struct videobuf_queue *q,
  92                             struct videobuf_buffer *vb)
  93 {
  94         cx23885_free_buffer(q, (struct cx23885_buffer *)vb);
  95 }
  96
  97 static struct videobuf_queue_ops dvb_qops = {
  98         .buf_setup    = dvb_buf_setup,
  99         .buf_prepare  = dvb_buf_prepare,
 100         .buf_queue    = dvb_buf_queue,
 101         .buf_release  = dvb_buf_release,
 102 };
 103
 104 static struct s5h1409_config hauppauge_generic_config = {
 105         .demod_address = 0x32 >> 1,
 106         .output_mode   = S5H1409_SERIAL_OUTPUT,
 107         .gpio          = S5H1409_GPIO_ON,
 108         .qam_if        = 44000,
 109         .inversion     = S5H1409_INVERSION_OFF,
 110         .status_mode   = S5H1409_DEMODLOCKING,
 111         .mpeg_timing   = S5H1409_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK,
 112 };
 113
 114 static struct tda10048_config hauppauge_hvr1200_config = {
 115         .demod_address    = 0x10 >> 1,
 116         .output_mode      = TDA10048_SERIAL_OUTPUT,
 117         .fwbulkwritelen   = TDA10048_BULKWRITE_200,
 118         .inversion        = TDA10048_INVERSION_ON
 119 };
 120
 121 static struct s5h1409_config hauppauge_ezqam_config = {
 122         .demod_address = 0x32 >> 1,
 123         .output_mode   = S5H1409_SERIAL_OUTPUT,
 124         .gpio          = S5H1409_GPIO_OFF,
 125         .qam_if        = 4000,
 126         .inversion     = S5H1409_INVERSION_ON,
 127         .status_mode   = S5H1409_DEMODLOCKING,
 128         .mpeg_timing   = S5H1409_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK,
 129 };
 130
 131 static struct s5h1409_config hauppauge_hvr1800lp_config = {
 132         .demod_address = 0x32 >> 1,
 133         .output_mode   = S5H1409_SERIAL_OUTPUT,
 134         .gpio          = S5H1409_GPIO_OFF,
 135         .qam_if        = 44000,
 136         .inversion     = S5H1409_INVERSION_OFF,
 137         .status_mode   = S5H1409_DEMODLOCKING,
 138         .mpeg_timing   = S5H1409_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK,
 139 };
 140
 141 static struct s5h1409_config hauppauge_hvr1500_config = {
 142         .demod_address = 0x32 >> 1,
 143         .output_mode   = S5H1409_SERIAL_OUTPUT,
 144         .gpio          = S5H1409_GPIO_OFF,
 145         .inversion     = S5H1409_INVERSION_OFF,
 146         .status_mode   = S5H1409_DEMODLOCKING,
 147         .mpeg_timing   = S5H1409_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK,
 148 };
 149
 150 static struct mt2131_config hauppauge_generic_tunerconfig = {
 151         0x61
 152 };
 153
 154 static struct lgdt330x_config fusionhdtv_5_express = {
 155         .demod_address = 0x0e,
 156         .demod_chip = LGDT3303,
 157         .serial_mpeg = 0x40,
 158 };
 159
 160 static struct s5h1409_config hauppauge_hvr1500q_config = {
 161         .demod_address = 0x32 >> 1,
 162         .output_mode   = S5H1409_SERIAL_OUTPUT,
 163         .gpio          = S5H1409_GPIO_ON,
 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 dvico_s5h1409_config = {
 171         .demod_address = 0x32 >> 1,
 172         .output_mode   = S5H1409_SERIAL_OUTPUT,
 173         .gpio          = S5H1409_GPIO_ON,
 174         .qam_if        = 44000,
 175         .inversion     = S5H1409_INVERSION_OFF,
 176         .status_mode   = S5H1409_DEMODLOCKING,
 177         .mpeg_timing   = S5H1409_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK,
 178 };
 179
 180 static struct s5h1411_config dvico_s5h1411_config = {
 181         .output_mode   = S5H1411_SERIAL_OUTPUT,
 182         .gpio          = S5H1411_GPIO_ON,
 183         .qam_if        = S5H1411_IF_44000,
 184         .vsb_if        = S5H1411_IF_44000,
 185         .inversion     = S5H1411_INVERSION_OFF,
 186         .status_mode   = S5H1411_DEMODLOCKING,
 187         .mpeg_timing   = S5H1411_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK,
 188 };
 189
 190 static struct xc5000_config hauppauge_hvr1500q_tunerconfig = {
 191         .i2c_address      = 0x61,
 192         .if_khz           = 5380,
 193 };
 194
 195 static struct xc5000_config dvico_xc5000_tunerconfig = {
 196         .i2c_address      = 0x64,
 197         .if_khz           = 5380,
 198 };
 199
 200 static struct tda829x_config tda829x_no_probe = {
 201         .probe_tuner = TDA829X_DONT_PROBE,
 202 };
 203
 204 static struct tda18271_std_map hauppauge_tda18271_std_map = {
 205         .atsc_6   = { .if_freq = 5380, .agc_mode = 3, .std = 3,
 206                       .if_lvl = 6, .rfagc_top = 0x37 },
 207         .qam_6    = { .if_freq = 4000, .agc_mode = 3, .std = 0,
 208                       .if_lvl = 6, .rfagc_top = 0x37 },
 209 };
 210
 211 static struct tda18271_config hauppauge_tda18271_config = {
 212         .std_map = &hauppauge_tda18271_std_map,
 213         .gate    = TDA18271_GATE_ANALOG,
 214 };
 215
 216 static struct tda18271_config hauppauge_hvr1200_tuner_config = {
 217         .gate    = TDA18271_GATE_ANALOG,
 218 };
 219
 220 static struct dibx000_agc_config xc3028_agc_config = {
 221         BAND_VHF | BAND_UHF,    /* band_caps */
 222
 223         /* P_agc_use_sd_mod1=0, P_agc_use_sd_mod2=0, P_agc_freq_pwm_div=0,
 224          * P_agc_inv_pwm1=0, P_agc_inv_pwm2=0,
 225          * P_agc_inh_dc_rv_est=0, P_agc_time_est=3, P_agc_freeze=0,
 226          * P_agc_nb_est=2, P_agc_write=0
 227          */
 228         (0 << 15) | (0 << 14) | (0 << 11) | (0 << 10) | (0 << 9) | (0 << 8) |
 229                 (3 << 5) | (0 << 4) | (2 << 1) | (0 << 0), /* setup */
 230
 231         712,    /* inv_gain */
 232         21,     /* time_stabiliz */
 233
 234         0,      /* alpha_level */
 235         118,    /* thlock */
 236
 237         0,      /* wbd_inv */
 238         2867,   /* wbd_ref */
 239         0,      /* wbd_sel */
 240         2,      /* wbd_alpha */
 241
 242         0,      /* agc1_max */
 243         0,      /* agc1_min */
 244         39718,  /* agc2_max */
 245         9930,   /* agc2_min */
 246         0,      /* agc1_pt1 */
 247         0,      /* agc1_pt2 */
 248         0,      /* agc1_pt3 */
 249         0,      /* agc1_slope1 */
 250         0,      /* agc1_slope2 */
 251         0,      /* agc2_pt1 */
 252         128,    /* agc2_pt2 */
 253         29,     /* agc2_slope1 */
 254         29,     /* agc2_slope2 */
 255
 256         17,     /* alpha_mant */
 257         27,     /* alpha_exp */
 258         23,     /* beta_mant */
 259         51,     /* beta_exp */
 260
 261         1,      /* perform_agc_softsplit */
 262 };
 263
 264 /* PLL Configuration for COFDM BW_MHz = 8.000000
 265  * With external clock = 30.000000 */
 266 static struct dibx000_bandwidth_config xc3028_bw_config = {
 267         60000,  /* internal */
 268         30000,  /* sampling */
 269         1,      /* pll_cfg: prediv */
 270         8,      /* pll_cfg: ratio */
 271         3,      /* pll_cfg: range */
 272         1,      /* pll_cfg: reset */
 273         0,      /* pll_cfg: bypass */
 274         0,      /* misc: refdiv */
 275         0,      /* misc: bypclk_div */
 276         1,      /* misc: IO_CLK_en_core */
 277         1,      /* misc: ADClkSrc */
 278         0,      /* misc: modulo */
 279         (3 << 14) | (1 << 12) | (524 << 0), /* sad_cfg: refsel, sel, freq_15k */
 280         (1 << 25) | 5816102, /* ifreq = 5.200000 MHz */
 281         20452225, /* timf */
 282         30000000  /* xtal_hz */
 283 };
 284
 285 static struct dib7000p_config hauppauge_hvr1400_dib7000_config = {
 286         .output_mpeg2_in_188_bytes = 1,
 287         .hostbus_diversity = 1,
 288         .tuner_is_baseband = 0,
 289         .update_lna  = NULL,
 290
 291         .agc_config_count = 1,
 292         .agc = &xc3028_agc_config,
 293         .bw  = &xc3028_bw_config,
 294
 295         .gpio_dir = DIB7000P_GPIO_DEFAULT_DIRECTIONS,
 296         .gpio_val = DIB7000P_GPIO_DEFAULT_VALUES,
 297         .gpio_pwm_pos = DIB7000P_GPIO_DEFAULT_PWM_POS,
 298
 299         .pwm_freq_div = 0,
 300         .agc_control  = NULL,
 301         .spur_protect = 0,
 302
 303         .output_mode = OUTMODE_MPEG2_SERIAL,
 304 };
 305
 306 static struct zl10353_config dvico_fusionhdtv_xc3028 = {
 307         .demod_address = 0x0f,
 308         .if2           = 45600,
 309         .no_tuner      = 1,
 310 };
 311
 312 static int tbs_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage)
 313 {
 314         struct cx23885_tsport *port = fe->dvb->priv;
 315         struct cx23885_dev *dev = port->dev;
 316
 317         if (voltage == SEC_VOLTAGE_18)
 318                 cx_write(MC417_RWD, 0x00001e00);/* GPIO-13 high */
 319         else if (voltage == SEC_VOLTAGE_13)
 320                 cx_write(MC417_RWD, 0x00001a00);/* GPIO-13 low */
 321         else
 322                 cx_write(MC417_RWD, 0x00001800);/* GPIO-12 low */
 323         return 0;
 324 }
 325
 326 static struct cx24116_config tbs_cx24116_config = {
 327         .demod_address = 0x05,
 328 };
 329
 330 static int dvb_register(struct cx23885_tsport *port)
 331 {
 332         struct cx23885_dev *dev = port->dev;
 333         struct cx23885_i2c *i2c_bus = NULL;
 334         struct videobuf_dvb_frontend *fe0;
 335
 336         /* Get the first frontend */
 337         fe0 = videobuf_dvb_get_frontend(&port->frontends, 1);
 338         if (!fe0)
 339                 return -EINVAL;
 340
 341         /* init struct videobuf_dvb */
 342         fe0->dvb.name = dev->name;
 343
 344         /* init frontend */
 345         switch (dev->board) {
 346         case CX23885_BOARD_HAUPPAUGE_HVR1250:
 347                 i2c_bus = &dev->i2c_bus[0];
 348                 fe0->dvb.frontend = dvb_attach(s5h1409_attach,
 349                                                 &hauppauge_generic_config,
 350                                                 &i2c_bus->i2c_adap);
 351                 if (fe0->dvb.frontend != NULL) {
 352                         dvb_attach(mt2131_attach, fe0->dvb.frontend,
 353                                    &i2c_bus->i2c_adap,
 354                                    &hauppauge_generic_tunerconfig, 0);
 355                 }
 356                 break;
 357         case CX23885_BOARD_HAUPPAUGE_HVR1800:
 358                 i2c_bus = &dev->i2c_bus[0];
 359                 switch (alt_tuner) {
 360                 case 1:
 361                         fe0->dvb.frontend =
 362                                 dvb_attach(s5h1409_attach,
 363                                            &hauppauge_ezqam_config,
 364                                            &i2c_bus->i2c_adap);
 365                         if (fe0->dvb.frontend != NULL) {
 366                                 dvb_attach(tda829x_attach, fe0->dvb.frontend,
 367                                            &dev->i2c_bus[1].i2c_adap, 0x42,
 368                                            &tda829x_no_probe);
 369                                 dvb_attach(tda18271_attach, fe0->dvb.frontend,
 370                                            0x60, &dev->i2c_bus[1].i2c_adap,
 371                                            &hauppauge_tda18271_config);
 372                         }
 373                         break;
 374                 case 0:
 375                 default:
 376                         fe0->dvb.frontend =
 377                                 dvb_attach(s5h1409_attach,
 378                                            &hauppauge_generic_config,
 379                                            &i2c_bus->i2c_adap);
 380                         if (fe0->dvb.frontend != NULL)
 381                                 dvb_attach(mt2131_attach, fe0->dvb.frontend,
 382                                            &i2c_bus->i2c_adap,
 383                                            &hauppauge_generic_tunerconfig, 0);
 384                         break;
 385                 }
 386                 break;
 387         case CX23885_BOARD_HAUPPAUGE_HVR1800lp:
 388                 i2c_bus = &dev->i2c_bus[0];
 389                 fe0->dvb.frontend = dvb_attach(s5h1409_attach,
 390                                                 &hauppauge_hvr1800lp_config,
 391                                                 &i2c_bus->i2c_adap);
 392                 if (fe0->dvb.frontend != NULL) {
 393                         dvb_attach(mt2131_attach, fe0->dvb.frontend,
 394                                    &i2c_bus->i2c_adap,
 395                                    &hauppauge_generic_tunerconfig, 0);
 396                 }
 397                 break;
 398         case CX23885_BOARD_DVICO_FUSIONHDTV_5_EXP:
 399                 i2c_bus = &dev->i2c_bus[0];
 400                 fe0->dvb.frontend = dvb_attach(lgdt330x_attach,
 401                                                 &fusionhdtv_5_express,
 402                                                 &i2c_bus->i2c_adap);
 403                 if (fe0->dvb.frontend != NULL) {
 404                         dvb_attach(simple_tuner_attach, fe0->dvb.frontend,
 405                                    &i2c_bus->i2c_adap, 0x61,
 406                                    TUNER_LG_TDVS_H06XF);
 407                 }
 408                 break;
 409         case CX23885_BOARD_HAUPPAUGE_HVR1500Q:
 410                 i2c_bus = &dev->i2c_bus[1];
 411                 fe0->dvb.frontend = dvb_attach(s5h1409_attach,
 412                                                 &hauppauge_hvr1500q_config,
 413                                                 &dev->i2c_bus[0].i2c_adap);
 414                 if (fe0->dvb.frontend != NULL)
 415                         dvb_attach(xc5000_attach, fe0->dvb.frontend,
 416                                    &i2c_bus->i2c_adap,
 417                                    &hauppauge_hvr1500q_tunerconfig);
 418                 break;
 419         case CX23885_BOARD_HAUPPAUGE_HVR1500:
 420                 i2c_bus = &dev->i2c_bus[1];
 421                 fe0->dvb.frontend = dvb_attach(s5h1409_attach,
 422                                                 &hauppauge_hvr1500_config,
 423                                                 &dev->i2c_bus[0].i2c_adap);
 424                 if (fe0->dvb.frontend != NULL) {
 425                         struct dvb_frontend *fe;
 426                         struct xc2028_config cfg = {
 427                                 .i2c_adap  = &i2c_bus->i2c_adap,
 428                                 .i2c_addr  = 0x61,
 429                         };
 430                         static struct xc2028_ctrl ctl = {
 431                                 .fname       = XC2028_DEFAULT_FIRMWARE,
 432                                 .max_len     = 64,
 433                                 .scode_table = XC3028_FE_OREN538,
 434                         };
 435
 436                         fe = dvb_attach(xc2028_attach,
 437                                         fe0->dvb.frontend, &cfg);
 438                         if (fe != NULL && fe->ops.tuner_ops.set_config != NULL)
 439                                 fe->ops.tuner_ops.set_config(fe, &ctl);
 440                 }
 441                 break;
 442         case CX23885_BOARD_HAUPPAUGE_HVR1200:
 443         case CX23885_BOARD_HAUPPAUGE_HVR1700:
 444                 i2c_bus = &dev->i2c_bus[0];
 445                 fe0->dvb.frontend = dvb_attach(tda10048_attach,
 446                         &hauppauge_hvr1200_config,
 447                         &i2c_bus->i2c_adap);
 448                 if (fe0->dvb.frontend != NULL) {
 449                         dvb_attach(tda829x_attach, fe0->dvb.frontend,
 450                                 &dev->i2c_bus[1].i2c_adap, 0x42,
 451                                 &tda829x_no_probe);
 452                         dvb_attach(tda18271_attach, fe0->dvb.frontend,
 453                                 0x60, &dev->i2c_bus[1].i2c_adap,
 454                                 &hauppauge_hvr1200_tuner_config);
 455                 }
 456                 break;
 457         case CX23885_BOARD_HAUPPAUGE_HVR1400:
 458                 i2c_bus = &dev->i2c_bus[0];
 459                 fe0->dvb.frontend = dvb_attach(dib7000p_attach,
 460                         &i2c_bus->i2c_adap,
 461                         0x12, &hauppauge_hvr1400_dib7000_config);
 462                 if (fe0->dvb.frontend != NULL) {
 463                         struct dvb_frontend *fe;
 464                         struct xc2028_config cfg = {
 465                                 .i2c_adap  = &dev->i2c_bus[1].i2c_adap,
 466                                 .i2c_addr  = 0x64,
 467                         };
 468                         static struct xc2028_ctrl ctl = {
 469                                 .fname   = XC3028L_DEFAULT_FIRMWARE,
 470                                 .max_len = 64,
 471                                 .demod   = 5000,
 472                                 /* This is true for all demods with
 473                                         v36 firmware? */
 474                                 .type    = XC2028_D2633,
 475                         };
 476
 477                         fe = dvb_attach(xc2028_attach,
 478                                         fe0->dvb.frontend, &cfg);
 479                         if (fe != NULL && fe->ops.tuner_ops.set_config != NULL)
 480                                 fe->ops.tuner_ops.set_config(fe, &ctl);
 481                 }
 482                 break;
 483         case CX23885_BOARD_DVICO_FUSIONHDTV_7_DUAL_EXP:
 484                 i2c_bus = &dev->i2c_bus[port->nr - 1];
 485
 486                 fe0->dvb.frontend = dvb_attach(s5h1409_attach,
 487                                                 &dvico_s5h1409_config,
 488                                                 &i2c_bus->i2c_adap);
 489                 if (fe0->dvb.frontend == NULL)
 490                         fe0->dvb.frontend = dvb_attach(s5h1411_attach,
 491                                                         &dvico_s5h1411_config,
 492                                                         &i2c_bus->i2c_adap);
 493                 if (fe0->dvb.frontend != NULL)
 494                         dvb_attach(xc5000_attach, fe0->dvb.frontend,
 495                                    &i2c_bus->i2c_adap,
 496                                    &dvico_xc5000_tunerconfig);
 497                 break;
 498         case CX23885_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL_EXP: {
 499                 i2c_bus = &dev->i2c_bus[port->nr - 1];
 500
 501                 fe0->dvb.frontend = dvb_attach(zl10353_attach,
 502                                                &dvico_fusionhdtv_xc3028,
 503                                                &i2c_bus->i2c_adap);
 504                 if (fe0->dvb.frontend != NULL) {
 505                         struct dvb_frontend      *fe;
 506                         struct xc2028_config      cfg = {
 507                                 .i2c_adap  = &i2c_bus->i2c_adap,
 508                                 .i2c_addr  = 0x61,
 509                         };
 510                         static struct xc2028_ctrl ctl = {
 511                                 .fname       = XC2028_DEFAULT_FIRMWARE,
 512                                 .max_len     = 64,
 513                                 .demod       = XC3028_FE_ZARLINK456,
 514                         };
 515
 516                         fe = dvb_attach(xc2028_attach, fe0->dvb.frontend,
 517                                         &cfg);
 518                         if (fe != NULL && fe->ops.tuner_ops.set_config != NULL)
 519                                 fe->ops.tuner_ops.set_config(fe, &ctl);
 520                 }
 521                 break;
 522         }
 523         case CX23885_BOARD_LEADTEK_WINFAST_PXDVR3200_H:
 524         case CX23885_BOARD_COMPRO_VIDEOMATE_E650F:
 525                 i2c_bus = &dev->i2c_bus[0];
 526
 527                 fe0->dvb.frontend = dvb_attach(zl10353_attach,
 528                         &dvico_fusionhdtv_xc3028,
 529                         &i2c_bus->i2c_adap);
 530                 if (fe0->dvb.frontend != NULL) {
 531                         struct dvb_frontend      *fe;
 532                         struct xc2028_config      cfg = {
 533                                 .i2c_adap  = &dev->i2c_bus[1].i2c_adap,
 534                                 .i2c_addr  = 0x61,
 535                         };
 536                         static struct xc2028_ctrl ctl = {
 537                                 .fname       = XC2028_DEFAULT_FIRMWARE,
 538                                 .max_len     = 64,
 539                                 .demod       = XC3028_FE_ZARLINK456,
 540                         };
 541
 542                         fe = dvb_attach(xc2028_attach, fe0->dvb.frontend,
 543                                 &cfg);
 544                         if (fe != NULL && fe->ops.tuner_ops.set_config != NULL)
 545                                 fe->ops.tuner_ops.set_config(fe, &ctl);
 546                 }
 547                 break;
 548         case CX23885_BOARD_TBS_6920:
 549                 i2c_bus = &dev->i2c_bus[0];
 550
 551                 fe0->dvb.frontend = dvb_attach(cx24116_attach,
 552                         &tbs_cx24116_config,
 553                         &i2c_bus->i2c_adap);
 554                 if (fe0->dvb.frontend != NULL)
 555                         fe0->dvb.frontend->ops.set_voltage = tbs_set_voltage;
 556
 557                 break;
 558         default:
 559                 printk(KERN_INFO "%s: The frontend of your DVB/ATSC card "
 560                         " isn't supported yet\n",
 561                        dev->name);
 562                 break;
 563         }
 564         if (NULL == fe0->dvb.frontend) {
 565                 printk(KERN_ERR "%s: frontend initialization failed\n",
 566                         dev->name);
 567                 return -1;
 568         }
 569         /* define general-purpose callback pointer */
 570         fe0->dvb.frontend->callback = cx23885_tuner_callback;
 571
 572         /* Put the analog decoder in standby to keep it quiet */
 573         cx23885_call_i2c_clients(i2c_bus, TUNER_SET_STANDBY, NULL);
 574
 575         if (fe0->dvb.frontend->ops.analog_ops.standby)
 576                 fe0->dvb.frontend->ops.analog_ops.standby(fe0->dvb.frontend);
 577
 578         /* register everything */
 579         return videobuf_dvb_register_bus(&port->frontends, THIS_MODULE, port,
 580                 &dev->pci->dev, adapter_nr, 0);
 581
 582 }
 583
 584 int cx23885_dvb_register(struct cx23885_tsport *port)
 585 {
 586
 587         struct videobuf_dvb_frontend *fe0;
 588         struct cx23885_dev *dev = port->dev;
 589         int err, i;
 590
 591         /* Here we need to allocate the correct number of frontends,
 592          * as reflected in the cards struct. The reality is that currrently
 593          * no cx23885 boards support this - yet. But, if we don't modify this
 594          * code then the second frontend would never be allocated (later)
 595          * and fail with error before the attach in dvb_register().
 596          * Without these changes we risk an OOPS later. The changes here
 597          * are for safety, and should provide a good foundation for the
 598          * future addition of any multi-frontend cx23885 based boards.
 599          */
 600         printk(KERN_INFO "%s() allocating %d frontend(s)\n", __func__,
 601                 port->num_frontends);
 602
 603         for (i = 1; i <= port->num_frontends; i++) {
 604                 if (videobuf_dvb_alloc_frontend(
 605                         &port->frontends, i) == NULL) {
 606                         printk(KERN_ERR "%s() failed to alloc\n", __func__);
 607                         return -ENOMEM;
 608                 }
 609
 610                 fe0 = videobuf_dvb_get_frontend(&port->frontends, i);
 611                 if (!fe0)
 612                         err = -EINVAL;
 613
 614                 dprintk(1, "%s\n", __func__);
 615                 dprintk(1, " ->probed by Card=%d Name=%s, PCI %02x:%02x\n",
 616                         dev->board,
 617                         dev->name,
 618                         dev->pci_bus,
 619                         dev->pci_slot);
 620
 621                 err = -ENODEV;
 622
 623                 /* dvb stuff */
 624                 /* We have to init the queue for each frontend on a port. */
 625                 printk(KERN_INFO "%s: cx23885 based dvb card\n", dev->name);
 626                 videobuf_queue_sg_init(&fe0->dvb.dvbq, &dvb_qops,
 627                             &dev->pci->dev, &port->slock,
 628                             V4L2_BUF_TYPE_VIDEO_CAPTURE, V4L2_FIELD_TOP,
 629                             sizeof(struct cx23885_buffer), port);
 630         }
 631         err = dvb_register(port);
 632         if (err != 0)
 633                 printk(KERN_ERR "%s() dvb_register failed err = %d\n",
 634                         __func__, err);
 635
 636         return err;
 637 }
 638
 639 int cx23885_dvb_unregister(struct cx23885_tsport *port)
 640 {
 641         struct videobuf_dvb_frontend *fe0;
 642
 643         /* FIXME: in an error condition where the we have
 644          * an expected number of frontends (attach problem)
 645          * then this might not clean up correctly, if 1
 646          * is invalid.
 647          * This comment only applies to future boards IF they
 648          * implement MFE support.
 649          */
 650         fe0 = videobuf_dvb_get_frontend(&port->frontends, 1);
 651         if (fe0->dvb.frontend)
 652                 videobuf_dvb_unregister_bus(&port->frontends);
 653
 654         return 0;
 655 }
 656