Merge to Fedora kernel-2.6.18-1.2224_FC5 patched with stable patch-2.6.18.1-vs2.0...
[linux-2.6.git] / 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
58         /* Configuration settings */
59         const struct or51132_config* config;
60
61         struct dvb_frontend frontend;
62
63         /* Demodulator private data */
64         fe_modulation_t current_modulation;
65
66         /* Tuner private data */
67         u32 current_frequency;
68 };
69
70 static int i2c_writebytes (struct or51132_state* state, u8 reg, u8 *buf, int len)
71 {
72         int err;
73         struct i2c_msg msg;
74         msg.addr  = reg;
75         msg.flags = 0;
76         msg.len   = len;
77         msg.buf   = buf;
78
79         if ((err = i2c_transfer(state->i2c, &msg, 1)) != 1) {
80                 printk(KERN_WARNING "or51132: i2c_writebytes error (addr %02x, err == %i)\n", reg, err);
81                 return -EREMOTEIO;
82         }
83
84         return 0;
85 }
86
87 static u8 i2c_readbytes (struct or51132_state* state, u8 reg, u8* buf, int len)
88 {
89         int err;
90         struct i2c_msg msg;
91         msg.addr   = reg;
92         msg.flags = I2C_M_RD;
93         msg.len = len;
94         msg.buf = buf;
95
96         if ((err = i2c_transfer(state->i2c, &msg, 1)) != 1) {
97                 printk(KERN_WARNING "or51132: i2c_readbytes error (addr %02x, err == %i)\n", reg, err);
98                 return -EREMOTEIO;
99         }
100
101         return 0;
102 }
103
104 static int or51132_load_firmware (struct dvb_frontend* fe, const struct firmware *fw)
105 {
106         struct or51132_state* state = fe->demodulator_priv;
107         static u8 run_buf[] = {0x7F,0x01};
108         u8 rec_buf[8];
109         u8 cmd_buf[3];
110         u32 firmwareAsize, firmwareBsize;
111         int i,ret;
112
113         dprintk("Firmware is %Zd bytes\n",fw->size);
114
115         /* Get size of firmware A and B */
116         firmwareAsize = le32_to_cpu(*((u32*)fw->data));
117         dprintk("FirmwareA is %i bytes\n",firmwareAsize);
118         firmwareBsize = le32_to_cpu(*((u32*)(fw->data+4)));
119         dprintk("FirmwareB is %i bytes\n",firmwareBsize);
120
121         /* Upload firmware */
122         if ((ret = i2c_writebytes(state,state->config->demod_address,
123                                  &fw->data[8],firmwareAsize))) {
124                 printk(KERN_WARNING "or51132: load_firmware error 1\n");
125                 return ret;
126         }
127         msleep(1); /* 1ms */
128         if ((ret = i2c_writebytes(state,state->config->demod_address,
129                                  &fw->data[8+firmwareAsize],firmwareBsize))) {
130                 printk(KERN_WARNING "or51132: load_firmware error 2\n");
131                 return ret;
132         }
133         msleep(1); /* 1ms */
134
135         if ((ret = i2c_writebytes(state,state->config->demod_address,
136                                  run_buf,2))) {
137                 printk(KERN_WARNING "or51132: load_firmware error 3\n");
138                 return ret;
139         }
140
141         /* Wait at least 5 msec */
142         msleep(20); /* 10ms */
143
144         if ((ret = i2c_writebytes(state,state->config->demod_address,
145                                  run_buf,2))) {
146                 printk(KERN_WARNING "or51132: load_firmware error 4\n");
147                 return ret;
148         }
149
150         /* 50ms for operation to begin */
151         msleep(50);
152
153         /* Read back ucode version to besure we loaded correctly and are really up and running */
154         /* Get uCode version */
155         cmd_buf[0] = 0x10;
156         cmd_buf[1] = 0x10;
157         cmd_buf[2] = 0x00;
158         msleep(20); /* 20ms */
159         if ((ret = i2c_writebytes(state,state->config->demod_address,
160                                  cmd_buf,3))) {
161                 printk(KERN_WARNING "or51132: load_firmware error a\n");
162                 return ret;
163         }
164
165         cmd_buf[0] = 0x04;
166         cmd_buf[1] = 0x17;
167         msleep(20); /* 20ms */
168         if ((ret = i2c_writebytes(state,state->config->demod_address,
169                                  cmd_buf,2))) {
170                 printk(KERN_WARNING "or51132: load_firmware error b\n");
171                 return ret;
172         }
173
174         cmd_buf[0] = 0x00;
175         cmd_buf[1] = 0x00;
176         msleep(20); /* 20ms */
177         if ((ret = i2c_writebytes(state,state->config->demod_address,
178                                  cmd_buf,2))) {
179                 printk(KERN_WARNING "or51132: load_firmware error c\n");
180                 return ret;
181         }
182
183         for(i=0;i<4;i++) {
184                 msleep(20); /* 20ms */
185                 /* Once upon a time, this command might have had something
186                    to do with getting the firmware version, but it's
187                    not used anymore:
188                    {0x04,0x00,0x30,0x00,i+1} */
189                 /* Read 8 bytes, two bytes at a time */
190                 if ((ret = i2c_readbytes(state,state->config->demod_address,
191                                         &rec_buf[i*2],2))) {
192                         printk(KERN_WARNING
193                                "or51132: load_firmware error d - %d\n",i);
194                         return ret;
195                 }
196         }
197
198         printk(KERN_WARNING
199                "or51132: Version: %02X%02X%02X%02X-%02X%02X%02X%02X (%02X%01X-%01X-%02X%01X-%01X)\n",
200                rec_buf[1],rec_buf[0],rec_buf[3],rec_buf[2],
201                rec_buf[5],rec_buf[4],rec_buf[7],rec_buf[6],
202                rec_buf[3],rec_buf[2]>>4,rec_buf[2]&0x0f,
203                rec_buf[5],rec_buf[4]>>4,rec_buf[4]&0x0f);
204
205         cmd_buf[0] = 0x10;
206         cmd_buf[1] = 0x00;
207         cmd_buf[2] = 0x00;
208         msleep(20); /* 20ms */
209         if ((ret = i2c_writebytes(state,state->config->demod_address,
210                                  cmd_buf,3))) {
211                 printk(KERN_WARNING "or51132: load_firmware error e\n");
212                 return ret;
213         }
214         return 0;
215 };
216
217 static int or51132_init(struct dvb_frontend* fe)
218 {
219         return 0;
220 }
221
222 static int or51132_read_ber(struct dvb_frontend* fe, u32* ber)
223 {
224         *ber = 0;
225         return 0;
226 }
227
228 static int or51132_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks)
229 {
230         *ucblocks = 0;
231         return 0;
232 }
233
234 static int or51132_sleep(struct dvb_frontend* fe)
235 {
236         return 0;
237 }
238
239 static int or51132_setmode(struct dvb_frontend* fe)
240 {
241         struct or51132_state* state = fe->demodulator_priv;
242         unsigned char cmd_buf[3];
243
244         dprintk("setmode %d\n",(int)state->current_modulation);
245         /* set operation mode in Receiver 1 register; */
246         cmd_buf[0] = 0x04;
247         cmd_buf[1] = 0x01;
248         switch (state->current_modulation) {
249         case QAM_256:
250         case QAM_64:
251         case QAM_AUTO:
252                 /* Auto-deinterleave; MPEG ser, MPEG2tr, phase noise-high*/
253                 cmd_buf[2] = 0x5F;
254                 break;
255         case VSB_8:
256                 /* Auto CH, Auto NTSC rej, MPEGser, MPEG2tr, phase noise-high*/
257                 cmd_buf[2] = 0x50;
258                 break;
259         default:
260                 printk("setmode:Modulation set to unsupported value\n");
261         };
262         if (i2c_writebytes(state,state->config->demod_address,
263                            cmd_buf,3)) {
264                 printk(KERN_WARNING "or51132: set_mode error 1\n");
265                 return -1;
266         }
267         dprintk("or51132: set #1 to %02x\n", cmd_buf[2]);
268
269         /* Set operation mode in Receiver 6 register */
270         cmd_buf[0] = 0x1C;
271         switch (state->current_modulation) {
272         case QAM_AUTO:
273                 /* REC MODE Normal Carrier Lock */
274                 cmd_buf[1] = 0x00;
275                 /* Channel MODE Auto QAM64/256 */
276                 cmd_buf[2] = 0x4f;
277                 break;
278         case QAM_256:
279                 /* REC MODE Normal Carrier Lock */
280                 cmd_buf[1] = 0x00;
281                 /* Channel MODE QAM256 */
282                 cmd_buf[2] = 0x45;
283                 break;
284         case QAM_64:
285                 /* REC MODE Normal Carrier Lock */
286                 cmd_buf[1] = 0x00;
287                 /* Channel MODE QAM64 */
288                 cmd_buf[2] = 0x43;
289                 break;
290         case VSB_8:
291                  /* REC MODE inv IF spectrum, Normal */
292                 cmd_buf[1] = 0x03;
293                 /* Channel MODE ATSC/VSB8 */
294                 cmd_buf[2] = 0x06;
295                 break;
296         default:
297                 printk("setmode: Modulation set to unsupported value\n");
298         };
299         msleep(20); /* 20ms */
300         if (i2c_writebytes(state,state->config->demod_address,
301                            cmd_buf,3)) {
302                 printk(KERN_WARNING "or51132: set_mode error 2\n");
303                 return -1;
304         }
305         dprintk("or51132: set #6 to 0x%02x%02x\n", cmd_buf[1], cmd_buf[2]);
306
307         return 0;
308 }
309
310 /* Some modulations use the same firmware.  This classifies modulations
311    by the firmware they use. */
312 #define MOD_FWCLASS_UNKNOWN     0
313 #define MOD_FWCLASS_VSB         1
314 #define MOD_FWCLASS_QAM         2
315 static int modulation_fw_class(fe_modulation_t modulation)
316 {
317         switch(modulation) {
318         case VSB_8:
319                 return MOD_FWCLASS_VSB;
320         case QAM_AUTO:
321         case QAM_64:
322         case QAM_256:
323                 return MOD_FWCLASS_QAM;
324         default:
325                 return MOD_FWCLASS_UNKNOWN;
326         }
327 }
328
329 static int or51132_set_parameters(struct dvb_frontend* fe,
330                                   struct dvb_frontend_parameters *param)
331 {
332         int ret;
333         struct or51132_state* state = fe->demodulator_priv;
334         const struct firmware *fw;
335         const char *fwname;
336         int clock_mode;
337
338         /* Upload new firmware only if we need a different one */
339         if (modulation_fw_class(state->current_modulation) !=
340             modulation_fw_class(param->u.vsb.modulation)) {
341                 switch(modulation_fw_class(param->u.vsb.modulation)) {
342                 case MOD_FWCLASS_VSB:
343                         dprintk("set_parameters VSB MODE\n");
344                         fwname = OR51132_VSB_FIRMWARE;
345
346                         /* Set non-punctured clock for VSB */
347                         clock_mode = 0;
348                         break;
349                 case MOD_FWCLASS_QAM:
350                         dprintk("set_parameters QAM MODE\n");
351                         fwname = OR51132_QAM_FIRMWARE;
352
353                         /* Set punctured clock for QAM */
354                         clock_mode = 1;
355                         break;
356                 default:
357                         printk("or51132: Modulation type(%d) UNSUPPORTED\n",
358                                param->u.vsb.modulation);
359                         return -1;
360                 }
361                 printk("or51132: Waiting for firmware upload(%s)...\n",
362                        fwname);
363                 ret = request_firmware(&fw, fwname, &state->i2c->dev);
364                 if (ret) {
365                         printk(KERN_WARNING "or51132: No firmware up"
366                                "loaded(timeout or file not found?)\n");
367                         return ret;
368                 }
369                 ret = or51132_load_firmware(fe, fw);
370                 release_firmware(fw);
371                 if (ret) {
372                         printk(KERN_WARNING "or51132: Writing firmware to "
373                                "device failed!\n");
374                         return ret;
375                 }
376                 printk("or51132: Firmware upload complete.\n");
377                 state->config->set_ts_params(fe, clock_mode);
378         }
379         /* Change only if we are actually changing the modulation */
380         if (state->current_modulation != param->u.vsb.modulation) {
381                 state->current_modulation = param->u.vsb.modulation;
382                 or51132_setmode(fe);
383         }
384
385         if (fe->ops.tuner_ops.set_params) {
386                 fe->ops.tuner_ops.set_params(fe, param);
387                 if (fe->ops.i2c_gate_ctrl) fe->ops.i2c_gate_ctrl(fe, 0);
388         }
389
390         /* Set to current mode */
391         or51132_setmode(fe);
392
393         /* Update current frequency */
394         state->current_frequency = param->frequency;
395         return 0;
396 }
397
398 static int or51132_get_parameters(struct dvb_frontend* fe,
399                                   struct dvb_frontend_parameters *param)
400 {
401         struct or51132_state* state = fe->demodulator_priv;
402         u8 buf[2];
403
404         /* Receiver Status */
405         buf[0]=0x04;
406         buf[1]=0x00;
407         msleep(30); /* 30ms */
408         if (i2c_writebytes(state,state->config->demod_address,buf,2)) {
409                 printk(KERN_WARNING "or51132: get_parameters write error\n");
410                 return -EREMOTEIO;
411         }
412         msleep(30); /* 30ms */
413         if (i2c_readbytes(state,state->config->demod_address,buf,2)) {
414                 printk(KERN_WARNING "or51132: get_parameters read error\n");
415                 return -EREMOTEIO;
416         }
417         switch(buf[0]) {
418                 case 0x06: param->u.vsb.modulation = VSB_8; break;
419                 case 0x43: param->u.vsb.modulation = QAM_64; break;
420                 case 0x45: param->u.vsb.modulation = QAM_256; break;
421                 default:
422                         printk(KERN_WARNING "or51132: unknown status 0x%02x\n",
423                                buf[0]);
424                         return -EREMOTEIO;
425         }
426
427         /* FIXME: Read frequency from frontend, take AFC into account */
428         param->frequency = state->current_frequency;
429
430         /* FIXME: How to read inversion setting? Receiver 6 register? */
431         param->inversion = INVERSION_AUTO;
432
433         return 0;
434 }
435
436 static int or51132_read_status(struct dvb_frontend* fe, fe_status_t* status)
437 {
438         struct or51132_state* state = fe->demodulator_priv;
439         unsigned char rec_buf[2];
440         unsigned char snd_buf[2];
441         *status = 0;
442
443         /* Receiver Status */
444         snd_buf[0]=0x04;
445         snd_buf[1]=0x00;
446         msleep(30); /* 30ms */
447         if (i2c_writebytes(state,state->config->demod_address,snd_buf,2)) {
448                 printk(KERN_WARNING "or51132: read_status write error\n");
449                 return -1;
450         }
451         msleep(30); /* 30ms */
452         if (i2c_readbytes(state,state->config->demod_address,rec_buf,2)) {
453                 printk(KERN_WARNING "or51132: read_status read error\n");
454                 return -1;
455         }
456         dprintk("read_status %x %x\n",rec_buf[0],rec_buf[1]);
457
458         if (rec_buf[1] & 0x01) { /* Receiver Lock */
459                 *status |= FE_HAS_SIGNAL;
460                 *status |= FE_HAS_CARRIER;
461                 *status |= FE_HAS_VITERBI;
462                 *status |= FE_HAS_SYNC;
463                 *status |= FE_HAS_LOCK;
464         }
465         return 0;
466 }
467
468 /* log10-1 table at .5 increments from 1 to 100.5 */
469 static unsigned int i100x20log10[] = {
470      0,  352,  602,  795,  954, 1088, 1204, 1306, 1397, 1480,
471   1556, 1625, 1690, 1750, 1806, 1858, 1908, 1955, 2000, 2042,
472   2082, 2121, 2158, 2193, 2227, 2260, 2292, 2322, 2352, 2380,
473   2408, 2434, 2460, 2486, 2510, 2534, 2557, 2580, 2602, 2623,
474   2644, 2664, 2684, 2704, 2723, 2742, 2760, 2778, 2795, 2813,
475   2829, 2846, 2862, 2878, 2894, 2909, 2924, 2939, 2954, 2968,
476   2982, 2996, 3010, 3023, 3037, 3050, 3062, 3075, 3088, 3100,
477   3112, 3124, 3136, 3148, 3159, 3170, 3182, 3193, 3204, 3214,
478   3225, 3236, 3246, 3256, 3266, 3276, 3286, 3296, 3306, 3316,
479   3325, 3334, 3344, 3353, 3362, 3371, 3380, 3389, 3397, 3406,
480   3415, 3423, 3432, 3440, 3448, 3456, 3464, 3472, 3480, 3488,
481   3496, 3504, 3511, 3519, 3526, 3534, 3541, 3549, 3556, 3563,
482   3570, 3577, 3584, 3591, 3598, 3605, 3612, 3619, 3625, 3632,
483   3639, 3645, 3652, 3658, 3665, 3671, 3677, 3683, 3690, 3696,
484   3702, 3708, 3714, 3720, 3726, 3732, 3738, 3744, 3750, 3755,
485   3761, 3767, 3772, 3778, 3784, 3789, 3795, 3800, 3806, 3811,
486   3816, 3822, 3827, 3832, 3838, 3843, 3848, 3853, 3858, 3863,
487   3868, 3874, 3879, 3884, 3888, 3893, 3898, 3903, 3908, 3913,
488   3918, 3922, 3927, 3932, 3936, 3941, 3946, 3950, 3955, 3960,
489   3964, 3969, 3973, 3978, 3982, 3986, 3991, 3995, 4000, 4004,
490 };
491
492 static unsigned int denom[] = {1,1,100,1000,10000,100000,1000000,10000000,100000000};
493
494 static unsigned int i20Log10(unsigned short val)
495 {
496         unsigned int rntval = 100;
497         unsigned int tmp = val;
498         unsigned int exp = 1;
499
500         while(tmp > 100) {tmp /= 100; exp++;}
501
502         val = (2 * val)/denom[exp];
503         if (exp > 1) rntval = 2000*exp;
504
505         rntval += i100x20log10[val];
506         return rntval;
507 }
508
509 static int or51132_read_signal_strength(struct dvb_frontend* fe, u16* strength)
510 {
511         struct or51132_state* state = fe->demodulator_priv;
512         unsigned char rec_buf[2];
513         unsigned char snd_buf[2];
514         u8 rcvr_stat;
515         u16 snr_equ;
516         u32 signal_strength;
517         int usK;
518
519         snd_buf[0]=0x04;
520         snd_buf[1]=0x02; /* SNR after Equalizer */
521         msleep(30); /* 30ms */
522         if (i2c_writebytes(state,state->config->demod_address,snd_buf,2)) {
523                 printk(KERN_WARNING "or51132: read_status write error\n");
524                 return -1;
525         }
526         msleep(30); /* 30ms */
527         if (i2c_readbytes(state,state->config->demod_address,rec_buf,2)) {
528                 printk(KERN_WARNING "or51132: read_status read error\n");
529                 return -1;
530         }
531         snr_equ = rec_buf[0] | (rec_buf[1] << 8);
532         dprintk("read_signal_strength snr_equ %x %x (%i)\n",rec_buf[0],rec_buf[1],snr_equ);
533
534         /* Receiver Status */
535         snd_buf[0]=0x04;
536         snd_buf[1]=0x00;
537         msleep(30); /* 30ms */
538         if (i2c_writebytes(state,state->config->demod_address,snd_buf,2)) {
539                 printk(KERN_WARNING "or51132: read_signal_strength read_status write error\n");
540                 return -1;
541         }
542         msleep(30); /* 30ms */
543         if (i2c_readbytes(state,state->config->demod_address,rec_buf,2)) {
544                 printk(KERN_WARNING "or51132: read_signal_strength read_status read error\n");
545                 return -1;
546         }
547         dprintk("read_signal_strength read_status %x %x\n",rec_buf[0],rec_buf[1]);
548         rcvr_stat = rec_buf[1];
549         usK = (rcvr_stat & 0x10) ? 3 : 0;
550
551         /* The value reported back from the frontend will be FFFF=100% 0000=0% */
552         signal_strength = (((8952 - i20Log10(snr_equ) - usK*100)/3+5)*65535)/1000;
553         if (signal_strength > 0xffff)
554                 *strength = 0xffff;
555         else
556                 *strength = signal_strength;
557         dprintk("read_signal_strength %i\n",*strength);
558
559         return 0;
560 }
561
562 static int or51132_read_snr(struct dvb_frontend* fe, u16* snr)
563 {
564         struct or51132_state* state = fe->demodulator_priv;
565         unsigned char rec_buf[2];
566         unsigned char snd_buf[2];
567         u16 snr_equ;
568
569         snd_buf[0]=0x04;
570         snd_buf[1]=0x02; /* SNR after Equalizer */
571         msleep(30); /* 30ms */
572         if (i2c_writebytes(state,state->config->demod_address,snd_buf,2)) {
573                 printk(KERN_WARNING "or51132: read_snr write error\n");
574                 return -1;
575         }
576         msleep(30); /* 30ms */
577         if (i2c_readbytes(state,state->config->demod_address,rec_buf,2)) {
578                 printk(KERN_WARNING "or51132: read_snr dvr read error\n");
579                 return -1;
580         }
581         snr_equ = rec_buf[0] | (rec_buf[1] << 8);
582         dprintk("read_snr snr_equ %x %x (%i)\n",rec_buf[0],rec_buf[1],snr_equ);
583
584         *snr = 0xFFFF - snr_equ;
585         dprintk("read_snr %i\n",*snr);
586
587         return 0;
588 }
589
590 static int or51132_get_tune_settings(struct dvb_frontend* fe, struct dvb_frontend_tune_settings* fe_tune_settings)
591 {
592         fe_tune_settings->min_delay_ms = 500;
593         fe_tune_settings->step_size = 0;
594         fe_tune_settings->max_drift = 0;
595
596         return 0;
597 }
598
599 static void or51132_release(struct dvb_frontend* fe)
600 {
601         struct or51132_state* state = fe->demodulator_priv;
602         kfree(state);
603 }
604
605 static struct dvb_frontend_ops or51132_ops;
606
607 struct dvb_frontend* or51132_attach(const struct or51132_config* config,
608                                     struct i2c_adapter* i2c)
609 {
610         struct or51132_state* state = NULL;
611
612         /* Allocate memory for the internal state */
613         state = kmalloc(sizeof(struct or51132_state), GFP_KERNEL);
614         if (state == NULL)
615                 goto error;
616
617         /* Setup the state */
618         state->config = config;
619         state->i2c = i2c;
620         state->current_frequency = -1;
621         state->current_modulation = -1;
622
623         /* Create dvb_frontend */
624         memcpy(&state->frontend.ops, &or51132_ops, sizeof(struct dvb_frontend_ops));
625         state->frontend.demodulator_priv = state;
626         return &state->frontend;
627
628 error:
629         kfree(state);
630         return NULL;
631 }
632
633 static struct dvb_frontend_ops or51132_ops = {
634
635         .info = {
636                 .name                   = "Oren OR51132 VSB/QAM Frontend",
637                 .type                   = FE_ATSC,
638                 .frequency_min          = 44000000,
639                 .frequency_max          = 958000000,
640                 .frequency_stepsize     = 166666,
641                 .caps = FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 |
642                         FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 | FE_CAN_FEC_AUTO |
643                         FE_CAN_QAM_64 | FE_CAN_QAM_256 | FE_CAN_QAM_AUTO |
644                         FE_CAN_8VSB
645         },
646
647         .release = or51132_release,
648
649         .init = or51132_init,
650         .sleep = or51132_sleep,
651
652         .set_frontend = or51132_set_parameters,
653         .get_frontend = or51132_get_parameters,
654         .get_tune_settings = or51132_get_tune_settings,
655
656         .read_status = or51132_read_status,
657         .read_ber = or51132_read_ber,
658         .read_signal_strength = or51132_read_signal_strength,
659         .read_snr = or51132_read_snr,
660         .read_ucblocks = or51132_read_ucblocks,
661 };
662
663 module_param(debug, int, 0644);
664 MODULE_PARM_DESC(debug, "Turn on/off frontend debugging (default:off).");
665
666 MODULE_DESCRIPTION("OR51132 ATSC [pcHDTV HD-3000] (8VSB & ITU J83 AnnexB FEC QAM64/256) Demodulator Driver");
667 MODULE_AUTHOR("Kirk Lapray");
668 MODULE_LICENSE("GPL");
669
670 EXPORT_SYMBOL(or51132_attach);
671
672 /*
673  * Local variables:
674  * c-basic-offset: 8
675  * End:
676  */