git.oblomov.eu Git - linux-2.6/blob - drivers/media/dvb/frontends/or51132.c

   1 /*
   2  *    Support for OR51132 (pcHDTV HD-3000) - VSB/QAM
   3  *
   4  *    Copyright (C) 2005 Kirk Lapray <kirk_lapray@bigfoot.com>
   5  *
   6  *    Based on code from Jack Kelliher (kelliher@xmission.com)
   7  *                           Copyright (C) 2002 & pcHDTV, inc.
   8  *
   9  *    This program is free software; you can redistribute it and/or modify
  10  *    it under the terms of the GNU General Public License as published by
  11  *    the Free Software Foundation; either version 2 of the License, or
  12  *    (at your option) any later version.
  13  *
  14  *    This program is distributed in the hope that it will be useful,
  15  *    but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  *    GNU General Public License for more details.
  18  *
  19  *    You should have received a copy of the GNU General Public License
  20  *    along with this program; if not, write to the Free Software
  21  *    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  22  *
  23 */
  24
  25 /*
  26  * This driver needs two external firmware files. Please copy
  27  * "dvb-fe-or51132-vsb.fw" and "dvb-fe-or51132-qam.fw" to
  28  * /usr/lib/hotplug/firmware/ or /lib/firmware/
  29  * (depending on configuration of firmware hotplug).
  30  */
  31 #define OR51132_VSB_FIRMWARE "dvb-fe-or51132-vsb.fw"
  32 #define OR51132_QAM_FIRMWARE "dvb-fe-or51132-qam.fw"
  33
  34 #include <linux/kernel.h>
  35 #include <linux/module.h>
  36 #include <linux/moduleparam.h>
  37 #include <linux/init.h>
  38 #include <linux/delay.h>
  39 #include <linux/string.h>
  40 #include <linux/slab.h>
  41 #include <asm/byteorder.h>
  42
  43 #include "dvb_frontend.h"
  44 #include "dvb-pll.h"
  45 #include "or51132.h"
  46
  47 static int debug;
  48 #define dprintk(args...) \
  49         do { \
  50                 if (debug) printk(KERN_DEBUG "or51132: " args); \
  51         } while (0)
  52
  53
  54 struct or51132_state
  55 {
  56         struct i2c_adapter* i2c;
  57         struct dvb_frontend_ops ops;
  58
  59         /* Configuration settings */
  60         const struct or51132_config* config;
  61
  62         struct dvb_frontend frontend;
  63
  64         /* Demodulator private data */
  65         fe_modulation_t current_modulation;
  66
  67         /* Tuner private data */
  68         u32 current_frequency;
  69 };
  70
  71 static int i2c_writebytes (struct or51132_state* state, u8 reg, u8 *buf, int len)
  72 {
  73         int err;
  74         struct i2c_msg msg;
  75         msg.addr  = reg;
  76         msg.flags = 0;
  77         msg.len   = len;
  78         msg.buf   = buf;
  79
  80         if ((err = i2c_transfer(state->i2c, &msg, 1)) != 1) {
  81                 printk(KERN_WARNING "or51132: i2c_writebytes error (addr %02x, err == %i)\n", reg, err);
  82                 return -EREMOTEIO;
  83         }
  84
  85         return 0;
  86 }
  87
  88 static u8 i2c_readbytes (struct or51132_state* state, u8 reg, u8* buf, int len)
  89 {
  90         int err;
  91         struct i2c_msg msg;
  92         msg.addr   = reg;
  93         msg.flags = I2C_M_RD;
  94         msg.len = len;
  95         msg.buf = buf;
  96
  97         if ((err = i2c_transfer(state->i2c, &msg, 1)) != 1) {
  98                 printk(KERN_WARNING "or51132: i2c_readbytes error (addr %02x, err == %i)\n", reg, err);
  99                 return -EREMOTEIO;
 100         }
 101
 102         return 0;
 103 }
 104
 105 static int or51132_load_firmware (struct dvb_frontend* fe, const struct firmware *fw)
 106 {
 107         struct or51132_state* state = fe->demodulator_priv;
 108         static u8 run_buf[] = {0x7F,0x01};
 109         static u8 get_ver_buf[] = {0x04,0x00,0x30,0x00,0x00};
 110         u8 rec_buf[14];
 111         u8 cmd_buf[14];
 112         u32 firmwareAsize, firmwareBsize;
 113         int i,ret;
 114
 115         dprintk("Firmware is %Zd bytes\n",fw->size);
 116
 117         /* Get size of firmware A and B */
 118         firmwareAsize = le32_to_cpu(*((u32*)fw->data));
 119         dprintk("FirmwareA is %i bytes\n",firmwareAsize);
 120         firmwareBsize = le32_to_cpu(*((u32*)(fw->data+4)));
 121         dprintk("FirmwareB is %i bytes\n",firmwareBsize);
 122
 123         /* Upload firmware */
 124         if ((ret = i2c_writebytes(state,state->config->demod_address,
 125                                  &fw->data[8],firmwareAsize))) {
 126                 printk(KERN_WARNING "or51132: load_firmware error 1\n");
 127                 return ret;
 128         }
 129         msleep(1); /* 1ms */
 130         if ((ret = i2c_writebytes(state,state->config->demod_address,
 131                                  &fw->data[8+firmwareAsize],firmwareBsize))) {
 132                 printk(KERN_WARNING "or51132: load_firmware error 2\n");
 133                 return ret;
 134         }
 135         msleep(1); /* 1ms */
 136
 137         if ((ret = i2c_writebytes(state,state->config->demod_address,
 138                                  run_buf,2))) {
 139                 printk(KERN_WARNING "or51132: load_firmware error 3\n");
 140                 return ret;
 141         }
 142
 143         /* Wait at least 5 msec */
 144         msleep(20); /* 10ms */
 145
 146         if ((ret = i2c_writebytes(state,state->config->demod_address,
 147                                  run_buf,2))) {
 148                 printk(KERN_WARNING "or51132: load_firmware error 4\n");
 149                 return ret;
 150         }
 151
 152         /* 50ms for operation to begin */
 153         msleep(50);
 154
 155         /* Read back ucode version to besure we loaded correctly and are really up and running */
 156         /* Get uCode version */
 157         cmd_buf[0] = 0x10;
 158         cmd_buf[1] = 0x10;
 159         cmd_buf[2] = 0x00;
 160         cmd_buf[3] = 0x00;
 161         msleep(20); /* 20ms */
 162         if ((ret = i2c_writebytes(state,state->config->demod_address,
 163                                  cmd_buf,3))) {
 164                 printk(KERN_WARNING "or51132: load_firmware error a\n");
 165                 return ret;
 166         }
 167
 168         cmd_buf[0] = 0x04;
 169         cmd_buf[1] = 0x17;
 170         cmd_buf[2] = 0x00;
 171         cmd_buf[3] = 0x00;
 172         msleep(20); /* 20ms */
 173         if ((ret = i2c_writebytes(state,state->config->demod_address,
 174                                  cmd_buf,2))) {
 175                 printk(KERN_WARNING "or51132: load_firmware error b\n");
 176                 return ret;
 177         }
 178
 179         cmd_buf[0] = 0x00;
 180         cmd_buf[1] = 0x00;
 181         cmd_buf[2] = 0x00;
 182         cmd_buf[3] = 0x00;
 183         msleep(20); /* 20ms */
 184         if ((ret = i2c_writebytes(state,state->config->demod_address,
 185                                  cmd_buf,2))) {
 186                 printk(KERN_WARNING "or51132: load_firmware error c\n");
 187                 return ret;
 188         }
 189
 190         for(i=0;i<4;i++) {
 191                 msleep(20); /* 20ms */
 192                 get_ver_buf[4] = i+1;
 193                 if ((ret = i2c_readbytes(state,state->config->demod_address,
 194                                         &rec_buf[i*2],2))) {
 195                         printk(KERN_WARNING
 196                                "or51132: load_firmware error d - %d\n",i);
 197                         return ret;
 198                 }
 199         }
 200
 201         printk(KERN_WARNING
 202                "or51132: Version: %02X%02X%02X%02X-%02X%02X%02X%02X (%02X%01X-%01X-%02X%01X-%01X)\n",
 203                rec_buf[1],rec_buf[0],rec_buf[3],rec_buf[2],
 204                rec_buf[5],rec_buf[4],rec_buf[7],rec_buf[6],
 205                rec_buf[3],rec_buf[2]>>4,rec_buf[2]&0x0f,
 206                rec_buf[5],rec_buf[4]>>4,rec_buf[4]&0x0f);
 207
 208         cmd_buf[0] = 0x10;
 209         cmd_buf[1] = 0x00;
 210         cmd_buf[2] = 0x00;
 211         cmd_buf[3] = 0x00;
 212         msleep(20); /* 20ms */
 213         if ((ret = i2c_writebytes(state,state->config->demod_address,
 214                                  cmd_buf,3))) {
 215                 printk(KERN_WARNING "or51132: load_firmware error e\n");
 216                 return ret;
 217         }
 218         return 0;
 219 };
 220
 221 static int or51132_init(struct dvb_frontend* fe)
 222 {
 223         return 0;
 224 }
 225
 226 static int or51132_read_ber(struct dvb_frontend* fe, u32* ber)
 227 {
 228         *ber = 0;
 229         return 0;
 230 }
 231
 232 static int or51132_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks)
 233 {
 234         *ucblocks = 0;
 235         return 0;
 236 }
 237
 238 static int or51132_sleep(struct dvb_frontend* fe)
 239 {
 240         return 0;
 241 }
 242
 243 static int or51132_setmode(struct dvb_frontend* fe)
 244 {
 245         struct or51132_state* state = fe->demodulator_priv;
 246         unsigned char cmd_buf[4];
 247
 248         dprintk("setmode %d\n",(int)state->current_modulation);
 249         /* set operation mode in Receiver 1 register; */
 250         cmd_buf[0] = 0x04;
 251         cmd_buf[1] = 0x01;
 252         switch (state->current_modulation) {
 253         case QAM_256:
 254         case QAM_64:
 255         case QAM_AUTO:
 256                 /* Auto-deinterleave; MPEG ser, MPEG2tr, phase noise-high*/
 257                 cmd_buf[2] = 0x5F;
 258                 break;
 259         case VSB_8:
 260                 /* Auto CH, Auto NTSC rej, MPEGser, MPEG2tr, phase noise-high*/
 261                 cmd_buf[2] = 0x50;
 262                 break;
 263         default:
 264                 printk("setmode:Modulation set to unsupported value\n");
 265         };
 266         cmd_buf[3] = 0x00;
 267         if (i2c_writebytes(state,state->config->demod_address,
 268                            cmd_buf,3)) {
 269                 printk(KERN_WARNING "or51132: set_mode error 1\n");
 270                 return -1;
 271         }
 272         dprintk("or51132: set #1 to %02x\n", cmd_buf[2]);
 273
 274         /* Set operation mode in Receiver 6 register */
 275         cmd_buf[0] = 0x1C;
 276         switch (state->current_modulation) {
 277         case QAM_AUTO:
 278                 /* REC MODE Normal Carrier Lock */
 279                 cmd_buf[1] = 0x00;
 280                 /* Channel MODE Auto QAM64/256 */
 281                 cmd_buf[2] = 0x4f;
 282                 break;
 283         case QAM_256:
 284                 /* REC MODE Normal Carrier Lock */
 285                 cmd_buf[1] = 0x00;
 286                 /* Channel MODE QAM256 */
 287                 cmd_buf[2] = 0x45;
 288                 break;
 289         case QAM_64:
 290                 /* REC MODE Normal Carrier Lock */
 291                 cmd_buf[1] = 0x00;
 292                 /* Channel MODE QAM64 */
 293                 cmd_buf[2] = 0x43;
 294                 break;
 295         case VSB_8:
 296                  /* REC MODE inv IF spectrum, Normal */
 297                 cmd_buf[1] = 0x03;
 298                 /* Channel MODE ATSC/VSB8 */
 299                 cmd_buf[2] = 0x06;
 300                 break;
 301         default:
 302                 printk("setmode: Modulation set to unsupported value\n");
 303         };
 304         cmd_buf[3] = 0x00;
 305         msleep(20); /* 20ms */
 306         if (i2c_writebytes(state,state->config->demod_address,
 307                            cmd_buf,3)) {
 308                 printk(KERN_WARNING "or51132: set_mode error 2\n");
 309                 return -1;
 310         }
 311         dprintk("or51132: set #6 to 0x%02x%02x\n", cmd_buf[1], cmd_buf[2]);
 312
 313         return 0;
 314 }
 315
 316 static int or51132_set_parameters(struct dvb_frontend* fe,
 317                                   struct dvb_frontend_parameters *param)
 318 {
 319         int ret;
 320         u8 buf[4];
 321         struct or51132_state* state = fe->demodulator_priv;
 322         const struct firmware *fw;
 323
 324         /* Change only if we are actually changing the modulation */
 325         if (state->current_modulation != param->u.vsb.modulation) {
 326                 switch(param->u.vsb.modulation) {
 327                 case VSB_8:
 328                         dprintk("set_parameters VSB MODE\n");
 329                         printk("or51132: Waiting for firmware upload(%s)...\n",
 330                                OR51132_VSB_FIRMWARE);
 331                         ret = request_firmware(&fw, OR51132_VSB_FIRMWARE,
 332                                                &state->i2c->dev);
 333                         if (ret){
 334                                 printk(KERN_WARNING "or51132: No firmware up"
 335                                        "loaded(timeout or file not found?)\n");
 336                                 return ret;
 337                         }
 338                         /* Set non-punctured clock for VSB */
 339                         state->config->set_ts_params(fe, 0);
 340                         break;
 341                 case QAM_AUTO:
 342                 case QAM_64:
 343                 case QAM_256:
 344                         dprintk("set_parameters QAM MODE\n");
 345                         printk("or51132: Waiting for firmware upload(%s)...\n",
 346                                OR51132_QAM_FIRMWARE);
 347                         ret = request_firmware(&fw, OR51132_QAM_FIRMWARE,
 348                                                &state->i2c->dev);
 349                         if (ret){
 350                                 printk(KERN_WARNING "or51132: No firmware up"
 351                                        "loaded(timeout or file not found?)\n");
 352                                 return ret;
 353                         }
 354                         /* Set punctured clock for QAM */
 355                         state->config->set_ts_params(fe, 1);
 356                         break;
 357                 default:
 358                         printk("or51132:Modulation type(%d) UNSUPPORTED\n",
 359                                param->u.vsb.modulation);
 360                         return -1;
 361                 };
 362                 ret = or51132_load_firmware(fe, fw);
 363                 release_firmware(fw);
 364                 if (ret) {
 365                         printk(KERN_WARNING "or51132: Writing firmware to "
 366                                "device failed!\n");
 367                         return ret;
 368                 }
 369                 printk("or51132: Firmware upload complete.\n");
 370
 371                 state->current_modulation = param->u.vsb.modulation;
 372                 or51132_setmode(fe);
 373         }
 374
 375         dvb_pll_configure(state->config->pll_desc, buf,
 376                           param->frequency, 0);
 377         dprintk("set_parameters tuner bytes: 0x%02x 0x%02x "
 378                 "0x%02x 0x%02x\n",buf[0],buf[1],buf[2],buf[3]);
 379         if (i2c_writebytes(state, state->config->pll_address ,buf, 4))
 380                 printk(KERN_WARNING "or51132: set_parameters error "
 381                        "writing to tuner\n");
 382
 383         /* Set to current mode */
 384         or51132_setmode(fe);
 385
 386         /* Update current frequency */
 387         state->current_frequency = param->frequency;
 388         return 0;
 389 }
 390
 391 static int or51132_read_status(struct dvb_frontend* fe, fe_status_t* status)
 392 {
 393         struct or51132_state* state = fe->demodulator_priv;
 394         unsigned char rec_buf[2];
 395         unsigned char snd_buf[2];
 396         *status = 0;
 397
 398         /* Receiver Status */
 399         snd_buf[0]=0x04;
 400         snd_buf[1]=0x00;
 401         msleep(30); /* 30ms */
 402         if (i2c_writebytes(state,state->config->demod_address,snd_buf,2)) {
 403                 printk(KERN_WARNING "or51132: read_status write error\n");
 404                 return -1;
 405         }
 406         msleep(30); /* 30ms */
 407         if (i2c_readbytes(state,state->config->demod_address,rec_buf,2)) {
 408                 printk(KERN_WARNING "or51132: read_status read error\n");
 409                 return -1;
 410         }
 411         dprintk("read_status %x %x\n",rec_buf[0],rec_buf[1]);
 412
 413         if (rec_buf[1] & 0x01) { /* Receiver Lock */
 414                 *status |= FE_HAS_SIGNAL;
 415                 *status |= FE_HAS_CARRIER;
 416                 *status |= FE_HAS_VITERBI;
 417                 *status |= FE_HAS_SYNC;
 418                 *status |= FE_HAS_LOCK;
 419         }
 420         return 0;
 421 }
 422
 423 /* log10-1 table at .5 increments from 1 to 100.5 */
 424 static unsigned int i100x20log10[] = {
 425      0,  352,  602,  795,  954, 1088, 1204, 1306, 1397, 1480,
 426   1556, 1625, 1690, 1750, 1806, 1858, 1908, 1955, 2000, 2042,
 427   2082, 2121, 2158, 2193, 2227, 2260, 2292, 2322, 2352, 2380,
 428   2408, 2434, 2460, 2486, 2510, 2534, 2557, 2580, 2602, 2623,
 429   2644, 2664, 2684, 2704, 2723, 2742, 2760, 2778, 2795, 2813,
 430   2829, 2846, 2862, 2878, 2894, 2909, 2924, 2939, 2954, 2968,
 431   2982, 2996, 3010, 3023, 3037, 3050, 3062, 3075, 3088, 3100,
 432   3112, 3124, 3136, 3148, 3159, 3170, 3182, 3193, 3204, 3214,
 433   3225, 3236, 3246, 3256, 3266, 3276, 3286, 3296, 3306, 3316,
 434   3325, 3334, 3344, 3353, 3362, 3371, 3380, 3389, 3397, 3406,
 435   3415, 3423, 3432, 3440, 3448, 3456, 3464, 3472, 3480, 3488,
 436   3496, 3504, 3511, 3519, 3526, 3534, 3541, 3549, 3556, 3563,
 437   3570, 3577, 3584, 3591, 3598, 3605, 3612, 3619, 3625, 3632,
 438   3639, 3645, 3652, 3658, 3665, 3671, 3677, 3683, 3690, 3696,
 439   3702, 3708, 3714, 3720, 3726, 3732, 3738, 3744, 3750, 3755,
 440   3761, 3767, 3772, 3778, 3784, 3789, 3795, 3800, 3806, 3811,
 441   3816, 3822, 3827, 3832, 3838, 3843, 3848, 3853, 3858, 3863,
 442   3868, 3874, 3879, 3884, 3888, 3893, 3898, 3903, 3908, 3913,
 443   3918, 3922, 3927, 3932, 3936, 3941, 3946, 3950, 3955, 3960,
 444   3964, 3969, 3973, 3978, 3982, 3986, 3991, 3995, 4000, 4004,
 445 };
 446
 447 static unsigned int denom[] = {1,1,100,1000,10000,100000,1000000,10000000,100000000};
 448
 449 static unsigned int i20Log10(unsigned short val)
 450 {
 451         unsigned int rntval = 100;
 452         unsigned int tmp = val;
 453         unsigned int exp = 1;
 454
 455         while(tmp > 100) {tmp /= 100; exp++;}
 456
 457         val = (2 * val)/denom[exp];
 458         if (exp > 1) rntval = 2000*exp;
 459
 460         rntval += i100x20log10[val];
 461         return rntval;
 462 }
 463
 464 static int or51132_read_signal_strength(struct dvb_frontend* fe, u16* strength)
 465 {
 466         struct or51132_state* state = fe->demodulator_priv;
 467         unsigned char rec_buf[2];
 468         unsigned char snd_buf[2];
 469         u8 rcvr_stat;
 470         u16 snr_equ;
 471         u32 signal_strength;
 472         int usK;
 473
 474         snd_buf[0]=0x04;
 475         snd_buf[1]=0x02; /* SNR after Equalizer */
 476         msleep(30); /* 30ms */
 477         if (i2c_writebytes(state,state->config->demod_address,snd_buf,2)) {
 478                 printk(KERN_WARNING "or51132: read_status write error\n");
 479                 return -1;
 480         }
 481         msleep(30); /* 30ms */
 482         if (i2c_readbytes(state,state->config->demod_address,rec_buf,2)) {
 483                 printk(KERN_WARNING "or51132: read_status read error\n");
 484                 return -1;
 485         }
 486         snr_equ = rec_buf[0] | (rec_buf[1] << 8);
 487         dprintk("read_signal_strength snr_equ %x %x (%i)\n",rec_buf[0],rec_buf[1],snr_equ);
 488
 489         /* Receiver Status */
 490         snd_buf[0]=0x04;
 491         snd_buf[1]=0x00;
 492         msleep(30); /* 30ms */
 493         if (i2c_writebytes(state,state->config->demod_address,snd_buf,2)) {
 494                 printk(KERN_WARNING "or51132: read_signal_strength read_status write error\n");
 495                 return -1;
 496         }
 497         msleep(30); /* 30ms */
 498         if (i2c_readbytes(state,state->config->demod_address,rec_buf,2)) {
 499                 printk(KERN_WARNING "or51132: read_signal_strength read_status read error\n");
 500                 return -1;
 501         }
 502         dprintk("read_signal_strength read_status %x %x\n",rec_buf[0],rec_buf[1]);
 503         rcvr_stat = rec_buf[1];
 504         usK = (rcvr_stat & 0x10) ? 3 : 0;
 505
 506         /* The value reported back from the frontend will be FFFF=100% 0000=0% */
 507         signal_strength = (((8952 - i20Log10(snr_equ) - usK*100)/3+5)*65535)/1000;
 508         if (signal_strength > 0xffff)
 509                 *strength = 0xffff;
 510         else
 511                 *strength = signal_strength;
 512         dprintk("read_signal_strength %i\n",*strength);
 513
 514         return 0;
 515 }
 516
 517 static int or51132_read_snr(struct dvb_frontend* fe, u16* snr)
 518 {
 519         struct or51132_state* state = fe->demodulator_priv;
 520         unsigned char rec_buf[2];
 521         unsigned char snd_buf[2];
 522         u16 snr_equ;
 523
 524         snd_buf[0]=0x04;
 525         snd_buf[1]=0x02; /* SNR after Equalizer */
 526         msleep(30); /* 30ms */
 527         if (i2c_writebytes(state,state->config->demod_address,snd_buf,2)) {
 528                 printk(KERN_WARNING "or51132: read_snr write error\n");
 529                 return -1;
 530         }
 531         msleep(30); /* 30ms */
 532         if (i2c_readbytes(state,state->config->demod_address,rec_buf,2)) {
 533                 printk(KERN_WARNING "or51132: read_snr dvr read error\n");
 534                 return -1;
 535         }
 536         snr_equ = rec_buf[0] | (rec_buf[1] << 8);
 537         dprintk("read_snr snr_equ %x %x (%i)\n",rec_buf[0],rec_buf[1],snr_equ);
 538
 539         *snr = 0xFFFF - snr_equ;
 540         dprintk("read_snr %i\n",*snr);
 541
 542         return 0;
 543 }
 544
 545 static int or51132_get_tune_settings(struct dvb_frontend* fe, struct dvb_frontend_tune_settings* fe_tune_settings)
 546 {
 547         fe_tune_settings->min_delay_ms = 500;
 548         fe_tune_settings->step_size = 0;
 549         fe_tune_settings->max_drift = 0;
 550
 551         return 0;
 552 }
 553
 554 static void or51132_release(struct dvb_frontend* fe)
 555 {
 556         struct or51132_state* state = fe->demodulator_priv;
 557         kfree(state);
 558 }
 559
 560 static struct dvb_frontend_ops or51132_ops;
 561
 562 struct dvb_frontend* or51132_attach(const struct or51132_config* config,
 563                                     struct i2c_adapter* i2c)
 564 {
 565         struct or51132_state* state = NULL;
 566
 567         /* Allocate memory for the internal state */
 568         state = kmalloc(sizeof(struct or51132_state), GFP_KERNEL);
 569         if (state == NULL)
 570                 goto error;
 571
 572         /* Setup the state */
 573         state->config = config;
 574         state->i2c = i2c;
 575         memcpy(&state->ops, &or51132_ops, sizeof(struct dvb_frontend_ops));
 576         state->current_frequency = -1;
 577         state->current_modulation = -1;
 578
 579         /* Create dvb_frontend */
 580         state->frontend.ops = &state->ops;
 581         state->frontend.demodulator_priv = state;
 582         return &state->frontend;
 583
 584 error:
 585         kfree(state);
 586         return NULL;
 587 }
 588
 589 static struct dvb_frontend_ops or51132_ops = {
 590
 591         .info = {
 592                 .name                   = "Oren OR51132 VSB/QAM Frontend",
 593                 .type                   = FE_ATSC,
 594                 .frequency_min          = 44000000,
 595                 .frequency_max          = 958000000,
 596                 .frequency_stepsize     = 166666,
 597                 .caps = FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 |
 598                         FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 | FE_CAN_FEC_AUTO |
 599                         FE_CAN_QAM_64 | FE_CAN_QAM_256 | FE_CAN_QAM_AUTO |
 600                         FE_CAN_8VSB
 601         },
 602
 603         .release = or51132_release,
 604
 605         .init = or51132_init,
 606         .sleep = or51132_sleep,
 607
 608         .set_frontend = or51132_set_parameters,
 609         .get_tune_settings = or51132_get_tune_settings,
 610
 611         .read_status = or51132_read_status,
 612         .read_ber = or51132_read_ber,
 613         .read_signal_strength = or51132_read_signal_strength,
 614         .read_snr = or51132_read_snr,
 615         .read_ucblocks = or51132_read_ucblocks,
 616 };
 617
 618 module_param(debug, int, 0644);
 619 MODULE_PARM_DESC(debug, "Turn on/off frontend debugging (default:off).");
 620
 621 MODULE_DESCRIPTION("OR51132 ATSC [pcHDTV HD-3000] (8VSB & ITU J83 AnnexB FEC QAM64/256) Demodulator Driver");
 622 MODULE_AUTHOR("Kirk Lapray");
 623 MODULE_LICENSE("GPL");
 624
 625 EXPORT_SYMBOL(or51132_attach);
 626
 627 /*
 628  * Local variables:
 629  * c-basic-offset: 8
 630  * End:
 631  */