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25#include <linux/module.h>
26#include <linux/moduleparam.h>
27#include <linux/videodev2.h>
28#include <linux/delay.h>
29#include <linux/dvb/frontend.h>
30#include <linux/i2c.h>
31#include <linux/mutex.h>
32#include <asm/unaligned.h>
33
34#include "dvb_frontend.h"
35
36#include "xc4000.h"
37#include "tuner-i2c.h"
38#include "tuner-xc2028-types.h"
39
40static int debug;
41module_param(debug, int, 0644);
42MODULE_PARM_DESC(debug, "Debugging level (0 to 2, default: 0 (off)).");
43
44static int no_poweroff;
45module_param(no_poweroff, int, 0644);
46MODULE_PARM_DESC(no_poweroff, "Power management (1: disabled, 2: enabled, "
47 "0 (default): use device-specific default mode).");
48
49static int audio_std;
50module_param(audio_std, int, 0644);
51MODULE_PARM_DESC(audio_std, "Audio standard. XC4000 audio decoder explicitly "
52 "needs to know what audio standard is needed for some video standards "
53 "with audio A2 or NICAM. The valid settings are a sum of:\n"
54 " 1: use NICAM/B or A2/B instead of NICAM/A or A2/A\n"
55 " 2: use A2 instead of NICAM or BTSC\n"
56 " 4: use SECAM/K3 instead of K1\n"
57 " 8: use PAL-D/K audio for SECAM-D/K\n"
58 "16: use FM radio input 1 instead of input 2\n"
59 "32: use mono audio (the lower three bits are ignored)");
60
61static char firmware_name[30];
62module_param_string(firmware_name, firmware_name, sizeof(firmware_name), 0);
63MODULE_PARM_DESC(firmware_name, "Firmware file name. Allows overriding the "
64 "default firmware name.");
65
66static DEFINE_MUTEX(xc4000_list_mutex);
67static LIST_HEAD(hybrid_tuner_instance_list);
68
69#define dprintk(level, fmt, arg...) if (debug >= level) \
70 printk(KERN_INFO "%s: " fmt, "xc4000", ## arg)
71
72
73struct firmware_description {
74 unsigned int type;
75 v4l2_std_id id;
76 __u16 int_freq;
77 unsigned char *ptr;
78 unsigned int size;
79};
80
81struct firmware_properties {
82 unsigned int type;
83 v4l2_std_id id;
84 v4l2_std_id std_req;
85 __u16 int_freq;
86 unsigned int scode_table;
87 int scode_nr;
88};
89
90struct xc4000_priv {
91 struct tuner_i2c_props i2c_props;
92 struct list_head hybrid_tuner_instance_list;
93 struct firmware_description *firm;
94 int firm_size;
95 u32 if_khz;
96 u32 freq_hz;
97 u32 bandwidth;
98 u8 video_standard;
99 u8 rf_mode;
100 u8 default_pm;
101 u8 dvb_amplitude;
102 u8 set_smoothedcvbs;
103 u8 ignore_i2c_write_errors;
104 __u16 firm_version;
105 struct firmware_properties cur_fw;
106 __u16 hwmodel;
107 __u16 hwvers;
108 struct mutex lock;
109};
110
111#define XC4000_AUDIO_STD_B 1
112#define XC4000_AUDIO_STD_A2 2
113#define XC4000_AUDIO_STD_K3 4
114#define XC4000_AUDIO_STD_L 8
115#define XC4000_AUDIO_STD_INPUT1 16
116#define XC4000_AUDIO_STD_MONO 32
117
118#define XC4000_DEFAULT_FIRMWARE "dvb-fe-xc4000-1.4.fw"
119
120
121#define MAX_TV_STANDARD 24
122#define XC_MAX_I2C_WRITE_LENGTH 64
123#define XC_POWERED_DOWN 0x80000000U
124
125
126#define XC_RF_MODE_AIR 0
127#define XC_RF_MODE_CABLE 1
128
129
130#define XC_PRODUCT_ID_FW_NOT_LOADED 0x2000
131#define XC_PRODUCT_ID_XC4000 0x0FA0
132#define XC_PRODUCT_ID_XC4100 0x1004
133
134
135#define XREG_INIT 0x00
136#define XREG_VIDEO_MODE 0x01
137#define XREG_AUDIO_MODE 0x02
138#define XREG_RF_FREQ 0x03
139#define XREG_D_CODE 0x04
140#define XREG_DIRECTSITTING_MODE 0x05
141#define XREG_SEEK_MODE 0x06
142#define XREG_POWER_DOWN 0x08
143#define XREG_SIGNALSOURCE 0x0A
144#define XREG_SMOOTHEDCVBS 0x0E
145#define XREG_AMPLITUDE 0x10
146
147
148#define XREG_ADC_ENV 0x00
149#define XREG_QUALITY 0x01
150#define XREG_FRAME_LINES 0x02
151#define XREG_HSYNC_FREQ 0x03
152#define XREG_LOCK 0x04
153#define XREG_FREQ_ERROR 0x05
154#define XREG_SNR 0x06
155#define XREG_VERSION 0x07
156#define XREG_PRODUCT_ID 0x08
157#define XREG_SIGNAL_LEVEL 0x0A
158#define XREG_NOISE_LEVEL 0x0B
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193struct XC_TV_STANDARD {
194 const char *Name;
195 u16 audio_mode;
196 u16 video_mode;
197 u16 int_freq;
198};
199
200
201#define XC4000_MN_NTSC_PAL_BTSC 0
202#define XC4000_MN_NTSC_PAL_A2 1
203#define XC4000_MN_NTSC_PAL_EIAJ 2
204#define XC4000_MN_NTSC_PAL_Mono 3
205#define XC4000_BG_PAL_A2 4
206#define XC4000_BG_PAL_NICAM 5
207#define XC4000_BG_PAL_MONO 6
208#define XC4000_I_PAL_NICAM 7
209#define XC4000_I_PAL_NICAM_MONO 8
210#define XC4000_DK_PAL_A2 9
211#define XC4000_DK_PAL_NICAM 10
212#define XC4000_DK_PAL_MONO 11
213#define XC4000_DK_SECAM_A2DK1 12
214#define XC4000_DK_SECAM_A2LDK3 13
215#define XC4000_DK_SECAM_A2MONO 14
216#define XC4000_DK_SECAM_NICAM 15
217#define XC4000_L_SECAM_NICAM 16
218#define XC4000_LC_SECAM_NICAM 17
219#define XC4000_DTV6 18
220#define XC4000_DTV8 19
221#define XC4000_DTV7_8 20
222#define XC4000_DTV7 21
223#define XC4000_FM_Radio_INPUT2 22
224#define XC4000_FM_Radio_INPUT1 23
225
226static struct XC_TV_STANDARD xc4000_standard[MAX_TV_STANDARD] = {
227 {"M/N-NTSC/PAL-BTSC", 0x0000, 0x80A0, 4500},
228 {"M/N-NTSC/PAL-A2", 0x0000, 0x80A0, 4600},
229 {"M/N-NTSC/PAL-EIAJ", 0x0040, 0x80A0, 4500},
230 {"M/N-NTSC/PAL-Mono", 0x0078, 0x80A0, 4500},
231 {"B/G-PAL-A2", 0x0000, 0x8159, 5640},
232 {"B/G-PAL-NICAM", 0x0004, 0x8159, 5740},
233 {"B/G-PAL-MONO", 0x0078, 0x8159, 5500},
234 {"I-PAL-NICAM", 0x0080, 0x8049, 6240},
235 {"I-PAL-NICAM-MONO", 0x0078, 0x8049, 6000},
236 {"D/K-PAL-A2", 0x0000, 0x8049, 6380},
237 {"D/K-PAL-NICAM", 0x0080, 0x8049, 6200},
238 {"D/K-PAL-MONO", 0x0078, 0x8049, 6500},
239 {"D/K-SECAM-A2 DK1", 0x0000, 0x8049, 6340},
240 {"D/K-SECAM-A2 L/DK3", 0x0000, 0x8049, 6000},
241 {"D/K-SECAM-A2 MONO", 0x0078, 0x8049, 6500},
242 {"D/K-SECAM-NICAM", 0x0080, 0x8049, 6200},
243 {"L-SECAM-NICAM", 0x8080, 0x0009, 6200},
244 {"L'-SECAM-NICAM", 0x8080, 0x4009, 6200},
245 {"DTV6", 0x00C0, 0x8002, 0},
246 {"DTV8", 0x00C0, 0x800B, 0},
247 {"DTV7/8", 0x00C0, 0x801B, 0},
248 {"DTV7", 0x00C0, 0x8007, 0},
249 {"FM Radio-INPUT2", 0x0008, 0x9800, 10700},
250 {"FM Radio-INPUT1", 0x0008, 0x9000, 10700}
251};
252
253static int xc4000_readreg(struct xc4000_priv *priv, u16 reg, u16 *val);
254static int xc4000_tuner_reset(struct dvb_frontend *fe);
255static void xc_debug_dump(struct xc4000_priv *priv);
256
257static int xc_send_i2c_data(struct xc4000_priv *priv, u8 *buf, int len)
258{
259 struct i2c_msg msg = { .addr = priv->i2c_props.addr,
260 .flags = 0, .buf = buf, .len = len };
261 if (i2c_transfer(priv->i2c_props.adap, &msg, 1) != 1) {
262 if (priv->ignore_i2c_write_errors == 0) {
263 printk(KERN_ERR "xc4000: I2C write failed (len=%i)\n",
264 len);
265 if (len == 4) {
266 printk(KERN_ERR "bytes %*ph\n", 4, buf);
267 }
268 return -EREMOTEIO;
269 }
270 }
271 return 0;
272}
273
274static int xc4000_tuner_reset(struct dvb_frontend *fe)
275{
276 struct xc4000_priv *priv = fe->tuner_priv;
277 int ret;
278
279 dprintk(1, "%s()\n", __func__);
280
281 if (fe->callback) {
282 ret = fe->callback(((fe->dvb) && (fe->dvb->priv)) ?
283 fe->dvb->priv :
284 priv->i2c_props.adap->algo_data,
285 DVB_FRONTEND_COMPONENT_TUNER,
286 XC4000_TUNER_RESET, 0);
287 if (ret) {
288 printk(KERN_ERR "xc4000: reset failed\n");
289 return -EREMOTEIO;
290 }
291 } else {
292 printk(KERN_ERR "xc4000: no tuner reset callback function, "
293 "fatal\n");
294 return -EINVAL;
295 }
296 return 0;
297}
298
299static int xc_write_reg(struct xc4000_priv *priv, u16 regAddr, u16 i2cData)
300{
301 u8 buf[4];
302 int result;
303
304 buf[0] = (regAddr >> 8) & 0xFF;
305 buf[1] = regAddr & 0xFF;
306 buf[2] = (i2cData >> 8) & 0xFF;
307 buf[3] = i2cData & 0xFF;
308 result = xc_send_i2c_data(priv, buf, 4);
309
310 return result;
311}
312
313static int xc_load_i2c_sequence(struct dvb_frontend *fe, const u8 *i2c_sequence)
314{
315 struct xc4000_priv *priv = fe->tuner_priv;
316
317 int i, nbytes_to_send, result;
318 unsigned int len, pos, index;
319 u8 buf[XC_MAX_I2C_WRITE_LENGTH];
320
321 index = 0;
322 while ((i2c_sequence[index] != 0xFF) ||
323 (i2c_sequence[index + 1] != 0xFF)) {
324 len = i2c_sequence[index] * 256 + i2c_sequence[index+1];
325 if (len == 0x0000) {
326
327
328
329 index += 2;
330 } else if (len & 0x8000) {
331
332 msleep(len & 0x7FFF);
333 index += 2;
334 } else {
335
336
337
338 index += 2;
339 buf[0] = i2c_sequence[index];
340 buf[1] = i2c_sequence[index + 1];
341 pos = 2;
342 while (pos < len) {
343 if ((len - pos) > XC_MAX_I2C_WRITE_LENGTH - 2)
344 nbytes_to_send =
345 XC_MAX_I2C_WRITE_LENGTH;
346 else
347 nbytes_to_send = (len - pos + 2);
348 for (i = 2; i < nbytes_to_send; i++) {
349 buf[i] = i2c_sequence[index + pos +
350 i - 2];
351 }
352 result = xc_send_i2c_data(priv, buf,
353 nbytes_to_send);
354
355 if (result != 0)
356 return result;
357
358 pos += nbytes_to_send - 2;
359 }
360 index += len;
361 }
362 }
363 return 0;
364}
365
366static int xc_set_tv_standard(struct xc4000_priv *priv,
367 u16 video_mode, u16 audio_mode)
368{
369 int ret;
370 dprintk(1, "%s(0x%04x,0x%04x)\n", __func__, video_mode, audio_mode);
371 dprintk(1, "%s() Standard = %s\n",
372 __func__,
373 xc4000_standard[priv->video_standard].Name);
374
375
376 priv->ignore_i2c_write_errors = 1;
377
378 ret = xc_write_reg(priv, XREG_VIDEO_MODE, video_mode);
379 if (ret == 0)
380 ret = xc_write_reg(priv, XREG_AUDIO_MODE, audio_mode);
381
382 priv->ignore_i2c_write_errors = 0;
383
384 return ret;
385}
386
387static int xc_set_signal_source(struct xc4000_priv *priv, u16 rf_mode)
388{
389 dprintk(1, "%s(%d) Source = %s\n", __func__, rf_mode,
390 rf_mode == XC_RF_MODE_AIR ? "ANTENNA" : "CABLE");
391
392 if ((rf_mode != XC_RF_MODE_AIR) && (rf_mode != XC_RF_MODE_CABLE)) {
393 rf_mode = XC_RF_MODE_CABLE;
394 printk(KERN_ERR
395 "%s(), Invalid mode, defaulting to CABLE",
396 __func__);
397 }
398 return xc_write_reg(priv, XREG_SIGNALSOURCE, rf_mode);
399}
400
401static const struct dvb_tuner_ops xc4000_tuner_ops;
402
403static int xc_set_rf_frequency(struct xc4000_priv *priv, u32 freq_hz)
404{
405 u16 freq_code;
406
407 dprintk(1, "%s(%u)\n", __func__, freq_hz);
408
409 if ((freq_hz > xc4000_tuner_ops.info.frequency_max) ||
410 (freq_hz < xc4000_tuner_ops.info.frequency_min))
411 return -EINVAL;
412
413 freq_code = (u16)(freq_hz / 15625);
414
415
416
417
418
419 return xc_write_reg(priv, XREG_RF_FREQ, freq_code);
420}
421
422static int xc_get_adc_envelope(struct xc4000_priv *priv, u16 *adc_envelope)
423{
424 return xc4000_readreg(priv, XREG_ADC_ENV, adc_envelope);
425}
426
427static int xc_get_frequency_error(struct xc4000_priv *priv, u32 *freq_error_hz)
428{
429 int result;
430 u16 regData;
431 u32 tmp;
432
433 result = xc4000_readreg(priv, XREG_FREQ_ERROR, ®Data);
434 if (result != 0)
435 return result;
436
437 tmp = (u32)regData & 0xFFFFU;
438 tmp = (tmp < 0x8000U ? tmp : 0x10000U - tmp);
439 (*freq_error_hz) = tmp * 15625;
440 return result;
441}
442
443static int xc_get_lock_status(struct xc4000_priv *priv, u16 *lock_status)
444{
445 return xc4000_readreg(priv, XREG_LOCK, lock_status);
446}
447
448static int xc_get_version(struct xc4000_priv *priv,
449 u8 *hw_majorversion, u8 *hw_minorversion,
450 u8 *fw_majorversion, u8 *fw_minorversion)
451{
452 u16 data;
453 int result;
454
455 result = xc4000_readreg(priv, XREG_VERSION, &data);
456 if (result != 0)
457 return result;
458
459 (*hw_majorversion) = (data >> 12) & 0x0F;
460 (*hw_minorversion) = (data >> 8) & 0x0F;
461 (*fw_majorversion) = (data >> 4) & 0x0F;
462 (*fw_minorversion) = data & 0x0F;
463
464 return 0;
465}
466
467static int xc_get_hsync_freq(struct xc4000_priv *priv, u32 *hsync_freq_hz)
468{
469 u16 regData;
470 int result;
471
472 result = xc4000_readreg(priv, XREG_HSYNC_FREQ, ®Data);
473 if (result != 0)
474 return result;
475
476 (*hsync_freq_hz) = ((regData & 0x0fff) * 763)/100;
477 return result;
478}
479
480static int xc_get_frame_lines(struct xc4000_priv *priv, u16 *frame_lines)
481{
482 return xc4000_readreg(priv, XREG_FRAME_LINES, frame_lines);
483}
484
485static int xc_get_quality(struct xc4000_priv *priv, u16 *quality)
486{
487 return xc4000_readreg(priv, XREG_QUALITY, quality);
488}
489
490static int xc_get_signal_level(struct xc4000_priv *priv, u16 *signal)
491{
492 return xc4000_readreg(priv, XREG_SIGNAL_LEVEL, signal);
493}
494
495static int xc_get_noise_level(struct xc4000_priv *priv, u16 *noise)
496{
497 return xc4000_readreg(priv, XREG_NOISE_LEVEL, noise);
498}
499
500static u16 xc_wait_for_lock(struct xc4000_priv *priv)
501{
502 u16 lock_state = 0;
503 int watchdog_count = 40;
504
505 while ((lock_state == 0) && (watchdog_count > 0)) {
506 xc_get_lock_status(priv, &lock_state);
507 if (lock_state != 1) {
508 msleep(5);
509 watchdog_count--;
510 }
511 }
512 return lock_state;
513}
514
515static int xc_tune_channel(struct xc4000_priv *priv, u32 freq_hz)
516{
517 int found = 1;
518 int result;
519
520 dprintk(1, "%s(%u)\n", __func__, freq_hz);
521
522
523 priv->ignore_i2c_write_errors = 1;
524 result = xc_set_rf_frequency(priv, freq_hz);
525 priv->ignore_i2c_write_errors = 0;
526
527 if (result != 0)
528 return 0;
529
530
531 if ((priv->cur_fw.type & (FM | DTV6 | DTV7 | DTV78 | DTV8)) == 0) {
532 if (xc_wait_for_lock(priv) != 1)
533 found = 0;
534 }
535
536
537
538
539
540 msleep(debug ? 100 : 10);
541
542 if (debug)
543 xc_debug_dump(priv);
544
545 return found;
546}
547
548static int xc4000_readreg(struct xc4000_priv *priv, u16 reg, u16 *val)
549{
550 u8 buf[2] = { reg >> 8, reg & 0xff };
551 u8 bval[2] = { 0, 0 };
552 struct i2c_msg msg[2] = {
553 { .addr = priv->i2c_props.addr,
554 .flags = 0, .buf = &buf[0], .len = 2 },
555 { .addr = priv->i2c_props.addr,
556 .flags = I2C_M_RD, .buf = &bval[0], .len = 2 },
557 };
558
559 if (i2c_transfer(priv->i2c_props.adap, msg, 2) != 2) {
560 printk(KERN_ERR "xc4000: I2C read failed\n");
561 return -EREMOTEIO;
562 }
563
564 *val = (bval[0] << 8) | bval[1];
565 return 0;
566}
567
568#define dump_firm_type(t) dump_firm_type_and_int_freq(t, 0)
569static void dump_firm_type_and_int_freq(unsigned int type, u16 int_freq)
570{
571 if (type & BASE)
572 printk(KERN_CONT "BASE ");
573 if (type & INIT1)
574 printk(KERN_CONT "INIT1 ");
575 if (type & F8MHZ)
576 printk(KERN_CONT "F8MHZ ");
577 if (type & MTS)
578 printk(KERN_CONT "MTS ");
579 if (type & D2620)
580 printk(KERN_CONT "D2620 ");
581 if (type & D2633)
582 printk(KERN_CONT "D2633 ");
583 if (type & DTV6)
584 printk(KERN_CONT "DTV6 ");
585 if (type & QAM)
586 printk(KERN_CONT "QAM ");
587 if (type & DTV7)
588 printk(KERN_CONT "DTV7 ");
589 if (type & DTV78)
590 printk(KERN_CONT "DTV78 ");
591 if (type & DTV8)
592 printk(KERN_CONT "DTV8 ");
593 if (type & FM)
594 printk(KERN_CONT "FM ");
595 if (type & INPUT1)
596 printk(KERN_CONT "INPUT1 ");
597 if (type & LCD)
598 printk(KERN_CONT "LCD ");
599 if (type & NOGD)
600 printk(KERN_CONT "NOGD ");
601 if (type & MONO)
602 printk(KERN_CONT "MONO ");
603 if (type & ATSC)
604 printk(KERN_CONT "ATSC ");
605 if (type & IF)
606 printk(KERN_CONT "IF ");
607 if (type & LG60)
608 printk(KERN_CONT "LG60 ");
609 if (type & ATI638)
610 printk(KERN_CONT "ATI638 ");
611 if (type & OREN538)
612 printk(KERN_CONT "OREN538 ");
613 if (type & OREN36)
614 printk(KERN_CONT "OREN36 ");
615 if (type & TOYOTA388)
616 printk(KERN_CONT "TOYOTA388 ");
617 if (type & TOYOTA794)
618 printk(KERN_CONT "TOYOTA794 ");
619 if (type & DIBCOM52)
620 printk(KERN_CONT "DIBCOM52 ");
621 if (type & ZARLINK456)
622 printk(KERN_CONT "ZARLINK456 ");
623 if (type & CHINA)
624 printk(KERN_CONT "CHINA ");
625 if (type & F6MHZ)
626 printk(KERN_CONT "F6MHZ ");
627 if (type & INPUT2)
628 printk(KERN_CONT "INPUT2 ");
629 if (type & SCODE)
630 printk(KERN_CONT "SCODE ");
631 if (type & HAS_IF)
632 printk(KERN_CONT "HAS_IF_%d ", int_freq);
633}
634
635static int seek_firmware(struct dvb_frontend *fe, unsigned int type,
636 v4l2_std_id *id)
637{
638 struct xc4000_priv *priv = fe->tuner_priv;
639 int i, best_i = -1;
640 unsigned int best_nr_diffs = 255U;
641
642 if (!priv->firm) {
643 printk(KERN_ERR "Error! firmware not loaded\n");
644 return -EINVAL;
645 }
646
647 if (((type & ~SCODE) == 0) && (*id == 0))
648 *id = V4L2_STD_PAL;
649
650
651 for (i = 0; i < priv->firm_size; i++) {
652 v4l2_std_id id_diff_mask =
653 (priv->firm[i].id ^ (*id)) & (*id);
654 unsigned int type_diff_mask =
655 (priv->firm[i].type ^ type)
656 & (BASE_TYPES | DTV_TYPES | LCD | NOGD | MONO | SCODE);
657 unsigned int nr_diffs;
658
659 if (type_diff_mask
660 & (BASE | INIT1 | FM | DTV6 | DTV7 | DTV78 | DTV8 | SCODE))
661 continue;
662
663 nr_diffs = hweight64(id_diff_mask) + hweight32(type_diff_mask);
664 if (!nr_diffs)
665 goto found;
666
667 if (nr_diffs < best_nr_diffs) {
668 best_nr_diffs = nr_diffs;
669 best_i = i;
670 }
671 }
672
673
674 if (best_i < 0) {
675 i = -ENOENT;
676 goto ret;
677 }
678
679 if (best_nr_diffs > 0U) {
680 printk(KERN_WARNING
681 "Selecting best matching firmware (%u bits differ) for "
682 "type=(%x), id %016llx:\n",
683 best_nr_diffs, type, (unsigned long long)*id);
684 i = best_i;
685 }
686
687found:
688 *id = priv->firm[i].id;
689
690ret:
691 if (debug) {
692 printk(KERN_DEBUG "%s firmware for type=",
693 (i < 0) ? "Can't find" : "Found");
694 dump_firm_type(type);
695 printk(KERN_DEBUG "(%x), id %016llx.\n", type, (unsigned long long)*id);
696 }
697 return i;
698}
699
700static int load_firmware(struct dvb_frontend *fe, unsigned int type,
701 v4l2_std_id *id)
702{
703 struct xc4000_priv *priv = fe->tuner_priv;
704 int pos, rc;
705 unsigned char *p;
706
707 pos = seek_firmware(fe, type, id);
708 if (pos < 0)
709 return pos;
710
711 p = priv->firm[pos].ptr;
712
713
714 priv->ignore_i2c_write_errors = 1;
715
716 rc = xc_load_i2c_sequence(fe, p);
717
718 priv->ignore_i2c_write_errors = 0;
719
720 return rc;
721}
722
723static int xc4000_fwupload(struct dvb_frontend *fe)
724{
725 struct xc4000_priv *priv = fe->tuner_priv;
726 const struct firmware *fw = NULL;
727 const unsigned char *p, *endp;
728 int rc = 0;
729 int n, n_array;
730 char name[33];
731 const char *fname;
732
733 if (firmware_name[0] != '\0')
734 fname = firmware_name;
735 else
736 fname = XC4000_DEFAULT_FIRMWARE;
737
738 dprintk(1, "Reading firmware %s\n", fname);
739 rc = request_firmware(&fw, fname, priv->i2c_props.adap->dev.parent);
740 if (rc < 0) {
741 if (rc == -ENOENT)
742 printk(KERN_ERR "Error: firmware %s not found.\n", fname);
743 else
744 printk(KERN_ERR "Error %d while requesting firmware %s\n",
745 rc, fname);
746
747 return rc;
748 }
749 p = fw->data;
750 endp = p + fw->size;
751
752 if (fw->size < sizeof(name) - 1 + 2 + 2) {
753 printk(KERN_ERR "Error: firmware file %s has invalid size!\n",
754 fname);
755 goto corrupt;
756 }
757
758 memcpy(name, p, sizeof(name) - 1);
759 name[sizeof(name) - 1] = '\0';
760 p += sizeof(name) - 1;
761
762 priv->firm_version = get_unaligned_le16(p);
763 p += 2;
764
765 n_array = get_unaligned_le16(p);
766 p += 2;
767
768 dprintk(1, "Loading %d firmware images from %s, type: %s, ver %d.%d\n",
769 n_array, fname, name,
770 priv->firm_version >> 8, priv->firm_version & 0xff);
771
772 priv->firm = kcalloc(n_array, sizeof(*priv->firm), GFP_KERNEL);
773 if (priv->firm == NULL) {
774 printk(KERN_ERR "Not enough memory to load firmware file.\n");
775 rc = -ENOMEM;
776 goto done;
777 }
778 priv->firm_size = n_array;
779
780 n = -1;
781 while (p < endp) {
782 __u32 type, size;
783 v4l2_std_id id;
784 __u16 int_freq = 0;
785
786 n++;
787 if (n >= n_array) {
788 printk(KERN_ERR "More firmware images in file than "
789 "were expected!\n");
790 goto corrupt;
791 }
792
793
794 if (endp - p < sizeof(type) + sizeof(id) + sizeof(size))
795 goto header;
796
797 type = get_unaligned_le32(p);
798 p += sizeof(type);
799
800 id = get_unaligned_le64(p);
801 p += sizeof(id);
802
803 if (type & HAS_IF) {
804 int_freq = get_unaligned_le16(p);
805 p += sizeof(int_freq);
806 if (endp - p < sizeof(size))
807 goto header;
808 }
809
810 size = get_unaligned_le32(p);
811 p += sizeof(size);
812
813 if (!size || size > endp - p) {
814 printk(KERN_ERR "Firmware type (%x), id %llx is corrupted (size=%d, expected %d)\n",
815 type, (unsigned long long)id,
816 (unsigned)(endp - p), size);
817 goto corrupt;
818 }
819
820 priv->firm[n].ptr = kzalloc(size, GFP_KERNEL);
821 if (priv->firm[n].ptr == NULL) {
822 printk(KERN_ERR "Not enough memory to load firmware file.\n");
823 rc = -ENOMEM;
824 goto done;
825 }
826
827 if (debug) {
828 printk(KERN_DEBUG "Reading firmware type ");
829 dump_firm_type_and_int_freq(type, int_freq);
830 printk(KERN_DEBUG "(%x), id %llx, size=%d.\n",
831 type, (unsigned long long)id, size);
832 }
833
834 memcpy(priv->firm[n].ptr, p, size);
835 priv->firm[n].type = type;
836 priv->firm[n].id = id;
837 priv->firm[n].size = size;
838 priv->firm[n].int_freq = int_freq;
839
840 p += size;
841 }
842
843 if (n + 1 != priv->firm_size) {
844 printk(KERN_ERR "Firmware file is incomplete!\n");
845 goto corrupt;
846 }
847
848 goto done;
849
850header:
851 printk(KERN_ERR "Firmware header is incomplete!\n");
852corrupt:
853 rc = -EINVAL;
854 printk(KERN_ERR "Error: firmware file is corrupted!\n");
855
856done:
857 release_firmware(fw);
858 if (rc == 0)
859 dprintk(1, "Firmware files loaded.\n");
860
861 return rc;
862}
863
864static int load_scode(struct dvb_frontend *fe, unsigned int type,
865 v4l2_std_id *id, __u16 int_freq, int scode)
866{
867 struct xc4000_priv *priv = fe->tuner_priv;
868 int pos, rc;
869 unsigned char *p;
870 u8 scode_buf[13];
871 u8 indirect_mode[5];
872
873 dprintk(1, "%s called int_freq=%d\n", __func__, int_freq);
874
875 if (!int_freq) {
876 pos = seek_firmware(fe, type, id);
877 if (pos < 0)
878 return pos;
879 } else {
880 for (pos = 0; pos < priv->firm_size; pos++) {
881 if ((priv->firm[pos].int_freq == int_freq) &&
882 (priv->firm[pos].type & HAS_IF))
883 break;
884 }
885 if (pos == priv->firm_size)
886 return -ENOENT;
887 }
888
889 p = priv->firm[pos].ptr;
890
891 if (priv->firm[pos].size != 12 * 16 || scode >= 16)
892 return -EINVAL;
893 p += 12 * scode;
894
895 if (debug) {
896 tuner_info("Loading SCODE for type=");
897 dump_firm_type_and_int_freq(priv->firm[pos].type,
898 priv->firm[pos].int_freq);
899 printk(KERN_CONT "(%x), id %016llx.\n", priv->firm[pos].type,
900 (unsigned long long)*id);
901 }
902
903 scode_buf[0] = 0x00;
904 memcpy(&scode_buf[1], p, 12);
905
906
907 rc = xc_write_reg(priv, XREG_DIRECTSITTING_MODE, 0);
908 if (rc < 0) {
909 printk(KERN_ERR "failed to put device into direct mode!\n");
910 return -EIO;
911 }
912
913 rc = xc_send_i2c_data(priv, scode_buf, 13);
914 if (rc != 0) {
915
916
917 printk(KERN_ERR "Failed to set scode %d\n", rc);
918 }
919
920
921 memset(indirect_mode, 0, sizeof(indirect_mode));
922 indirect_mode[4] = 0x88;
923 xc_send_i2c_data(priv, indirect_mode, sizeof(indirect_mode));
924 msleep(10);
925
926 return 0;
927}
928
929static int check_firmware(struct dvb_frontend *fe, unsigned int type,
930 v4l2_std_id std, __u16 int_freq)
931{
932 struct xc4000_priv *priv = fe->tuner_priv;
933 struct firmware_properties new_fw;
934 int rc = 0, is_retry = 0;
935 u16 hwmodel;
936 v4l2_std_id std0;
937 u8 hw_major = 0, hw_minor = 0, fw_major = 0, fw_minor = 0;
938
939 dprintk(1, "%s called\n", __func__);
940
941 if (!priv->firm) {
942 rc = xc4000_fwupload(fe);
943 if (rc < 0)
944 return rc;
945 }
946
947retry:
948 new_fw.type = type;
949 new_fw.id = std;
950 new_fw.std_req = std;
951 new_fw.scode_table = SCODE;
952 new_fw.scode_nr = 0;
953 new_fw.int_freq = int_freq;
954
955 dprintk(1, "checking firmware, user requested type=");
956 if (debug) {
957 dump_firm_type(new_fw.type);
958 printk(KERN_CONT "(%x), id %016llx, ", new_fw.type,
959 (unsigned long long)new_fw.std_req);
960 if (!int_freq)
961 printk(KERN_CONT "scode_tbl ");
962 else
963 printk(KERN_CONT "int_freq %d, ", new_fw.int_freq);
964 printk(KERN_CONT "scode_nr %d\n", new_fw.scode_nr);
965 }
966
967
968 if (priv->cur_fw.type & BASE) {
969 dprintk(1, "BASE firmware not changed.\n");
970 goto skip_base;
971 }
972
973
974 memset(&priv->cur_fw, 0, sizeof(priv->cur_fw));
975
976
977 rc = xc4000_tuner_reset(fe);
978 if (rc < 0)
979 goto fail;
980
981
982 std0 = 0;
983 rc = load_firmware(fe, BASE, &std0);
984 if (rc < 0) {
985 printk(KERN_ERR "Error %d while loading base firmware\n", rc);
986 goto fail;
987 }
988
989
990 dprintk(1, "Load init1 firmware, if exists\n");
991
992 rc = load_firmware(fe, BASE | INIT1, &std0);
993 if (rc == -ENOENT)
994 rc = load_firmware(fe, BASE | INIT1, &std0);
995 if (rc < 0 && rc != -ENOENT) {
996 tuner_err("Error %d while loading init1 firmware\n",
997 rc);
998 goto fail;
999 }
1000
1001skip_base:
1002
1003
1004
1005
1006 if (priv->cur_fw.type == (BASE | new_fw.type) &&
1007 priv->cur_fw.std_req == std) {
1008 dprintk(1, "Std-specific firmware already loaded.\n");
1009 goto skip_std_specific;
1010 }
1011
1012
1013 priv->cur_fw.scode_table = 0;
1014
1015
1016 rc = load_firmware(fe, new_fw.type, &new_fw.id);
1017
1018 if (rc < 0)
1019 goto fail;
1020
1021skip_std_specific:
1022 if (priv->cur_fw.scode_table == new_fw.scode_table &&
1023 priv->cur_fw.scode_nr == new_fw.scode_nr) {
1024 dprintk(1, "SCODE firmware already loaded.\n");
1025 goto check_device;
1026 }
1027
1028
1029 rc = load_scode(fe, new_fw.type | new_fw.scode_table, &new_fw.id,
1030 new_fw.int_freq, new_fw.scode_nr);
1031 if (rc != 0)
1032 dprintk(1, "load scode failed %d\n", rc);
1033
1034check_device:
1035 rc = xc4000_readreg(priv, XREG_PRODUCT_ID, &hwmodel);
1036
1037 if (xc_get_version(priv, &hw_major, &hw_minor, &fw_major,
1038 &fw_minor) != 0) {
1039 printk(KERN_ERR "Unable to read tuner registers.\n");
1040 goto fail;
1041 }
1042
1043 dprintk(1, "Device is Xceive %d version %d.%d, "
1044 "firmware version %d.%d\n",
1045 hwmodel, hw_major, hw_minor, fw_major, fw_minor);
1046
1047
1048 if (priv->firm_version != ((fw_major << 8) | fw_minor)) {
1049 printk(KERN_WARNING
1050 "Incorrect readback of firmware version %d.%d.\n",
1051 fw_major, fw_minor);
1052 goto fail;
1053 }
1054
1055
1056 if (priv->hwmodel == 0 &&
1057 (hwmodel == XC_PRODUCT_ID_XC4000 ||
1058 hwmodel == XC_PRODUCT_ID_XC4100)) {
1059 priv->hwmodel = hwmodel;
1060 priv->hwvers = (hw_major << 8) | hw_minor;
1061 } else if (priv->hwmodel == 0 || priv->hwmodel != hwmodel ||
1062 priv->hwvers != ((hw_major << 8) | hw_minor)) {
1063 printk(KERN_WARNING
1064 "Read invalid device hardware information - tuner "
1065 "hung?\n");
1066 goto fail;
1067 }
1068
1069 priv->cur_fw = new_fw;
1070
1071
1072
1073
1074
1075
1076
1077 priv->cur_fw.type |= BASE;
1078
1079 return 0;
1080
1081fail:
1082 memset(&priv->cur_fw, 0, sizeof(priv->cur_fw));
1083 if (!is_retry) {
1084 msleep(50);
1085 is_retry = 1;
1086 dprintk(1, "Retrying firmware load\n");
1087 goto retry;
1088 }
1089
1090 if (rc == -ENOENT)
1091 rc = -EINVAL;
1092 return rc;
1093}
1094
1095static void xc_debug_dump(struct xc4000_priv *priv)
1096{
1097 u16 adc_envelope;
1098 u32 freq_error_hz = 0;
1099 u16 lock_status;
1100 u32 hsync_freq_hz = 0;
1101 u16 frame_lines;
1102 u16 quality;
1103 u16 signal = 0;
1104 u16 noise = 0;
1105 u8 hw_majorversion = 0, hw_minorversion = 0;
1106 u8 fw_majorversion = 0, fw_minorversion = 0;
1107
1108 xc_get_adc_envelope(priv, &adc_envelope);
1109 dprintk(1, "*** ADC envelope (0-1023) = %d\n", adc_envelope);
1110
1111 xc_get_frequency_error(priv, &freq_error_hz);
1112 dprintk(1, "*** Frequency error = %d Hz\n", freq_error_hz);
1113
1114 xc_get_lock_status(priv, &lock_status);
1115 dprintk(1, "*** Lock status (0-Wait, 1-Locked, 2-No-signal) = %d\n",
1116 lock_status);
1117
1118 xc_get_version(priv, &hw_majorversion, &hw_minorversion,
1119 &fw_majorversion, &fw_minorversion);
1120 dprintk(1, "*** HW: V%02x.%02x, FW: V%02x.%02x\n",
1121 hw_majorversion, hw_minorversion,
1122 fw_majorversion, fw_minorversion);
1123
1124 if (priv->video_standard < XC4000_DTV6) {
1125 xc_get_hsync_freq(priv, &hsync_freq_hz);
1126 dprintk(1, "*** Horizontal sync frequency = %d Hz\n",
1127 hsync_freq_hz);
1128
1129 xc_get_frame_lines(priv, &frame_lines);
1130 dprintk(1, "*** Frame lines = %d\n", frame_lines);
1131 }
1132
1133 xc_get_quality(priv, &quality);
1134 dprintk(1, "*** Quality (0:<8dB, 7:>56dB) = %d\n", quality);
1135
1136 xc_get_signal_level(priv, &signal);
1137 dprintk(1, "*** Signal level = -%ddB (%d)\n", signal >> 8, signal);
1138
1139 xc_get_noise_level(priv, &noise);
1140 dprintk(1, "*** Noise level = %ddB (%d)\n", noise >> 8, noise);
1141}
1142
1143static int xc4000_set_params(struct dvb_frontend *fe)
1144{
1145 struct dtv_frontend_properties *c = &fe->dtv_property_cache;
1146 u32 delsys = c->delivery_system;
1147 u32 bw = c->bandwidth_hz;
1148 struct xc4000_priv *priv = fe->tuner_priv;
1149 unsigned int type;
1150 int ret = -EREMOTEIO;
1151
1152 dprintk(1, "%s() frequency=%d (Hz)\n", __func__, c->frequency);
1153
1154 mutex_lock(&priv->lock);
1155
1156 switch (delsys) {
1157 case SYS_ATSC:
1158 dprintk(1, "%s() VSB modulation\n", __func__);
1159 priv->rf_mode = XC_RF_MODE_AIR;
1160 priv->freq_hz = c->frequency - 1750000;
1161 priv->video_standard = XC4000_DTV6;
1162 type = DTV6;
1163 break;
1164 case SYS_DVBC_ANNEX_B:
1165 dprintk(1, "%s() QAM modulation\n", __func__);
1166 priv->rf_mode = XC_RF_MODE_CABLE;
1167 priv->freq_hz = c->frequency - 1750000;
1168 priv->video_standard = XC4000_DTV6;
1169 type = DTV6;
1170 break;
1171 case SYS_DVBT:
1172 case SYS_DVBT2:
1173 dprintk(1, "%s() OFDM\n", __func__);
1174 if (bw == 0) {
1175 if (c->frequency < 400000000) {
1176 priv->freq_hz = c->frequency - 2250000;
1177 } else {
1178 priv->freq_hz = c->frequency - 2750000;
1179 }
1180 priv->video_standard = XC4000_DTV7_8;
1181 type = DTV78;
1182 } else if (bw <= 6000000) {
1183 priv->video_standard = XC4000_DTV6;
1184 priv->freq_hz = c->frequency - 1750000;
1185 type = DTV6;
1186 } else if (bw <= 7000000) {
1187 priv->video_standard = XC4000_DTV7;
1188 priv->freq_hz = c->frequency - 2250000;
1189 type = DTV7;
1190 } else {
1191 priv->video_standard = XC4000_DTV8;
1192 priv->freq_hz = c->frequency - 2750000;
1193 type = DTV8;
1194 }
1195 priv->rf_mode = XC_RF_MODE_AIR;
1196 break;
1197 default:
1198 printk(KERN_ERR "xc4000 delivery system not supported!\n");
1199 ret = -EINVAL;
1200 goto fail;
1201 }
1202
1203 dprintk(1, "%s() frequency=%d (compensated)\n",
1204 __func__, priv->freq_hz);
1205
1206
1207 if (check_firmware(fe, type, 0, priv->if_khz) != 0)
1208 goto fail;
1209
1210 priv->bandwidth = c->bandwidth_hz;
1211
1212 ret = xc_set_signal_source(priv, priv->rf_mode);
1213 if (ret != 0) {
1214 printk(KERN_ERR "xc4000: xc_set_signal_source(%d) failed\n",
1215 priv->rf_mode);
1216 goto fail;
1217 } else {
1218 u16 video_mode, audio_mode;
1219 video_mode = xc4000_standard[priv->video_standard].video_mode;
1220 audio_mode = xc4000_standard[priv->video_standard].audio_mode;
1221 if (type == DTV6 && priv->firm_version != 0x0102)
1222 video_mode |= 0x0001;
1223 ret = xc_set_tv_standard(priv, video_mode, audio_mode);
1224 if (ret != 0) {
1225 printk(KERN_ERR "xc4000: xc_set_tv_standard failed\n");
1226
1227
1228 }
1229 }
1230
1231 if (xc_write_reg(priv, XREG_D_CODE, 0) == 0)
1232 ret = 0;
1233 if (priv->dvb_amplitude != 0) {
1234 if (xc_write_reg(priv, XREG_AMPLITUDE,
1235 (priv->firm_version != 0x0102 ||
1236 priv->dvb_amplitude != 134 ?
1237 priv->dvb_amplitude : 132)) != 0)
1238 ret = -EREMOTEIO;
1239 }
1240 if (priv->set_smoothedcvbs != 0) {
1241 if (xc_write_reg(priv, XREG_SMOOTHEDCVBS, 1) != 0)
1242 ret = -EREMOTEIO;
1243 }
1244 if (ret != 0) {
1245 printk(KERN_ERR "xc4000: setting registers failed\n");
1246
1247 }
1248
1249 xc_tune_channel(priv, priv->freq_hz);
1250
1251 ret = 0;
1252
1253fail:
1254 mutex_unlock(&priv->lock);
1255
1256 return ret;
1257}
1258
1259static int xc4000_set_analog_params(struct dvb_frontend *fe,
1260 struct analog_parameters *params)
1261{
1262 struct xc4000_priv *priv = fe->tuner_priv;
1263 unsigned int type = 0;
1264 int ret = -EREMOTEIO;
1265
1266 if (params->mode == V4L2_TUNER_RADIO) {
1267 dprintk(1, "%s() frequency=%d (in units of 62.5Hz)\n",
1268 __func__, params->frequency);
1269
1270 mutex_lock(&priv->lock);
1271
1272 params->std = 0;
1273 priv->freq_hz = params->frequency * 125L / 2;
1274
1275 if (audio_std & XC4000_AUDIO_STD_INPUT1) {
1276 priv->video_standard = XC4000_FM_Radio_INPUT1;
1277 type = FM | INPUT1;
1278 } else {
1279 priv->video_standard = XC4000_FM_Radio_INPUT2;
1280 type = FM | INPUT2;
1281 }
1282
1283 goto tune_channel;
1284 }
1285
1286 dprintk(1, "%s() frequency=%d (in units of 62.5khz)\n",
1287 __func__, params->frequency);
1288
1289 mutex_lock(&priv->lock);
1290
1291
1292 priv->freq_hz = params->frequency * 62500;
1293
1294 params->std &= V4L2_STD_ALL;
1295
1296 if (!params->std)
1297 params->std = V4L2_STD_PAL_BG;
1298
1299 if (audio_std & XC4000_AUDIO_STD_MONO)
1300 type = MONO;
1301
1302 if (params->std & V4L2_STD_MN) {
1303 params->std = V4L2_STD_MN;
1304 if (audio_std & XC4000_AUDIO_STD_MONO) {
1305 priv->video_standard = XC4000_MN_NTSC_PAL_Mono;
1306 } else if (audio_std & XC4000_AUDIO_STD_A2) {
1307 params->std |= V4L2_STD_A2;
1308 priv->video_standard = XC4000_MN_NTSC_PAL_A2;
1309 } else {
1310 params->std |= V4L2_STD_BTSC;
1311 priv->video_standard = XC4000_MN_NTSC_PAL_BTSC;
1312 }
1313 goto tune_channel;
1314 }
1315
1316 if (params->std & V4L2_STD_PAL_BG) {
1317 params->std = V4L2_STD_PAL_BG;
1318 if (audio_std & XC4000_AUDIO_STD_MONO) {
1319 priv->video_standard = XC4000_BG_PAL_MONO;
1320 } else if (!(audio_std & XC4000_AUDIO_STD_A2)) {
1321 if (!(audio_std & XC4000_AUDIO_STD_B)) {
1322 params->std |= V4L2_STD_NICAM_A;
1323 priv->video_standard = XC4000_BG_PAL_NICAM;
1324 } else {
1325 params->std |= V4L2_STD_NICAM_B;
1326 priv->video_standard = XC4000_BG_PAL_NICAM;
1327 }
1328 } else {
1329 if (!(audio_std & XC4000_AUDIO_STD_B)) {
1330 params->std |= V4L2_STD_A2_A;
1331 priv->video_standard = XC4000_BG_PAL_A2;
1332 } else {
1333 params->std |= V4L2_STD_A2_B;
1334 priv->video_standard = XC4000_BG_PAL_A2;
1335 }
1336 }
1337 goto tune_channel;
1338 }
1339
1340 if (params->std & V4L2_STD_PAL_I) {
1341
1342 params->std = V4L2_STD_PAL_I | V4L2_STD_NICAM;
1343 if (audio_std & XC4000_AUDIO_STD_MONO)
1344 priv->video_standard = XC4000_I_PAL_NICAM_MONO;
1345 else
1346 priv->video_standard = XC4000_I_PAL_NICAM;
1347 goto tune_channel;
1348 }
1349
1350 if (params->std & V4L2_STD_PAL_DK) {
1351 params->std = V4L2_STD_PAL_DK;
1352 if (audio_std & XC4000_AUDIO_STD_MONO) {
1353 priv->video_standard = XC4000_DK_PAL_MONO;
1354 } else if (audio_std & XC4000_AUDIO_STD_A2) {
1355 params->std |= V4L2_STD_A2;
1356 priv->video_standard = XC4000_DK_PAL_A2;
1357 } else {
1358 params->std |= V4L2_STD_NICAM;
1359 priv->video_standard = XC4000_DK_PAL_NICAM;
1360 }
1361 goto tune_channel;
1362 }
1363
1364 if (params->std & V4L2_STD_SECAM_DK) {
1365
1366 params->std = V4L2_STD_SECAM_DK | V4L2_STD_A2;
1367 if (audio_std & XC4000_AUDIO_STD_L) {
1368 type = 0;
1369 priv->video_standard = XC4000_DK_SECAM_NICAM;
1370 } else if (audio_std & XC4000_AUDIO_STD_MONO) {
1371 priv->video_standard = XC4000_DK_SECAM_A2MONO;
1372 } else if (audio_std & XC4000_AUDIO_STD_K3) {
1373 params->std |= V4L2_STD_SECAM_K3;
1374 priv->video_standard = XC4000_DK_SECAM_A2LDK3;
1375 } else {
1376 priv->video_standard = XC4000_DK_SECAM_A2DK1;
1377 }
1378 goto tune_channel;
1379 }
1380
1381 if (params->std & V4L2_STD_SECAM_L) {
1382
1383 type = 0;
1384 params->std = V4L2_STD_SECAM_L | V4L2_STD_NICAM;
1385 priv->video_standard = XC4000_L_SECAM_NICAM;
1386 goto tune_channel;
1387 }
1388
1389 if (params->std & V4L2_STD_SECAM_LC) {
1390
1391 type = 0;
1392 params->std = V4L2_STD_SECAM_LC | V4L2_STD_NICAM;
1393 priv->video_standard = XC4000_LC_SECAM_NICAM;
1394 goto tune_channel;
1395 }
1396
1397tune_channel:
1398
1399 priv->rf_mode = XC_RF_MODE_CABLE;
1400
1401 if (check_firmware(fe, type, params->std,
1402 xc4000_standard[priv->video_standard].int_freq) != 0)
1403 goto fail;
1404
1405 ret = xc_set_signal_source(priv, priv->rf_mode);
1406 if (ret != 0) {
1407 printk(KERN_ERR
1408 "xc4000: xc_set_signal_source(%d) failed\n",
1409 priv->rf_mode);
1410 goto fail;
1411 } else {
1412 u16 video_mode, audio_mode;
1413 video_mode = xc4000_standard[priv->video_standard].video_mode;
1414 audio_mode = xc4000_standard[priv->video_standard].audio_mode;
1415 if (priv->video_standard < XC4000_BG_PAL_A2) {
1416 if (type & NOGD)
1417 video_mode &= 0xFF7F;
1418 } else if (priv->video_standard < XC4000_I_PAL_NICAM) {
1419 if (priv->firm_version == 0x0102)
1420 video_mode &= 0xFEFF;
1421 if (audio_std & XC4000_AUDIO_STD_B)
1422 video_mode |= 0x0080;
1423 }
1424 ret = xc_set_tv_standard(priv, video_mode, audio_mode);
1425 if (ret != 0) {
1426 printk(KERN_ERR "xc4000: xc_set_tv_standard failed\n");
1427 goto fail;
1428 }
1429 }
1430
1431 if (xc_write_reg(priv, XREG_D_CODE, 0) == 0)
1432 ret = 0;
1433 if (xc_write_reg(priv, XREG_AMPLITUDE, 1) != 0)
1434 ret = -EREMOTEIO;
1435 if (priv->set_smoothedcvbs != 0) {
1436 if (xc_write_reg(priv, XREG_SMOOTHEDCVBS, 1) != 0)
1437 ret = -EREMOTEIO;
1438 }
1439 if (ret != 0) {
1440 printk(KERN_ERR "xc4000: setting registers failed\n");
1441 goto fail;
1442 }
1443
1444 xc_tune_channel(priv, priv->freq_hz);
1445
1446 ret = 0;
1447
1448fail:
1449 mutex_unlock(&priv->lock);
1450
1451 return ret;
1452}
1453
1454static int xc4000_get_signal(struct dvb_frontend *fe, u16 *strength)
1455{
1456 struct xc4000_priv *priv = fe->tuner_priv;
1457 u16 value = 0;
1458 int rc;
1459
1460 mutex_lock(&priv->lock);
1461 rc = xc4000_readreg(priv, XREG_SIGNAL_LEVEL, &value);
1462 mutex_unlock(&priv->lock);
1463
1464 if (rc < 0)
1465 goto ret;
1466
1467
1468
1469
1470 tuner_dbg("Signal strength: -%ddB (%05d)\n", value >> 8, value);
1471
1472
1473 if ((priv->video_standard == XC4000_DTV6) ||
1474 (priv->video_standard == XC4000_DTV7) ||
1475 (priv->video_standard == XC4000_DTV7_8) ||
1476 (priv->video_standard == XC4000_DTV8))
1477 goto digital;
1478
1479
1480
1481
1482
1483
1484 mutex_lock(&priv->lock);
1485 rc = xc4000_readreg(priv, XREG_NOISE_LEVEL, &value);
1486 mutex_unlock(&priv->lock);
1487
1488 tuner_dbg("Noise level: %ddB (%05d)\n", value >> 8, value);
1489
1490
1491 if (value >= 0x2000) {
1492 value = 0;
1493 } else {
1494 value = ~value << 3;
1495 }
1496
1497 goto ret;
1498
1499
1500
1501
1502digital:
1503
1504 if (value <= 0x3200) {
1505 value = 0xffff;
1506
1507 } else if (value >= 0x713A) {
1508 value = 0;
1509 } else {
1510 value = ~(value - 0x3200) << 2;
1511 }
1512
1513ret:
1514 *strength = value;
1515
1516 return rc;
1517}
1518
1519static int xc4000_get_frequency(struct dvb_frontend *fe, u32 *freq)
1520{
1521 struct xc4000_priv *priv = fe->tuner_priv;
1522
1523 *freq = priv->freq_hz;
1524
1525 if (debug) {
1526 mutex_lock(&priv->lock);
1527 if ((priv->cur_fw.type
1528 & (BASE | FM | DTV6 | DTV7 | DTV78 | DTV8)) == BASE) {
1529 u16 snr = 0;
1530 if (xc4000_readreg(priv, XREG_SNR, &snr) == 0) {
1531 mutex_unlock(&priv->lock);
1532 dprintk(1, "%s() freq = %u, SNR = %d\n",
1533 __func__, *freq, snr);
1534 return 0;
1535 }
1536 }
1537 mutex_unlock(&priv->lock);
1538 }
1539
1540 dprintk(1, "%s()\n", __func__);
1541
1542 return 0;
1543}
1544
1545static int xc4000_get_bandwidth(struct dvb_frontend *fe, u32 *bw)
1546{
1547 struct xc4000_priv *priv = fe->tuner_priv;
1548 dprintk(1, "%s()\n", __func__);
1549
1550 *bw = priv->bandwidth;
1551 return 0;
1552}
1553
1554static int xc4000_get_status(struct dvb_frontend *fe, u32 *status)
1555{
1556 struct xc4000_priv *priv = fe->tuner_priv;
1557 u16 lock_status = 0;
1558
1559 mutex_lock(&priv->lock);
1560
1561 if (priv->cur_fw.type & BASE)
1562 xc_get_lock_status(priv, &lock_status);
1563
1564 *status = (lock_status == 1 ?
1565 TUNER_STATUS_LOCKED | TUNER_STATUS_STEREO : 0);
1566 if (priv->cur_fw.type & (DTV6 | DTV7 | DTV78 | DTV8))
1567 *status &= (~TUNER_STATUS_STEREO);
1568
1569 mutex_unlock(&priv->lock);
1570
1571 dprintk(2, "%s() lock_status = %d\n", __func__, lock_status);
1572
1573 return 0;
1574}
1575
1576static int xc4000_sleep(struct dvb_frontend *fe)
1577{
1578 struct xc4000_priv *priv = fe->tuner_priv;
1579 int ret = 0;
1580
1581 dprintk(1, "%s()\n", __func__);
1582
1583 mutex_lock(&priv->lock);
1584
1585
1586 if ((no_poweroff == 2 ||
1587 (no_poweroff == 0 && priv->default_pm != 0)) &&
1588 (priv->cur_fw.type & BASE) != 0) {
1589
1590 priv->cur_fw.type = XC_POWERED_DOWN;
1591
1592 if (xc_write_reg(priv, XREG_POWER_DOWN, 0) != 0) {
1593 printk(KERN_ERR
1594 "xc4000: %s() unable to shutdown tuner\n",
1595 __func__);
1596 ret = -EREMOTEIO;
1597 }
1598 msleep(20);
1599 }
1600
1601 mutex_unlock(&priv->lock);
1602
1603 return ret;
1604}
1605
1606static int xc4000_init(struct dvb_frontend *fe)
1607{
1608 dprintk(1, "%s()\n", __func__);
1609
1610 return 0;
1611}
1612
1613static int xc4000_release(struct dvb_frontend *fe)
1614{
1615 struct xc4000_priv *priv = fe->tuner_priv;
1616
1617 dprintk(1, "%s()\n", __func__);
1618
1619 mutex_lock(&xc4000_list_mutex);
1620
1621 if (priv)
1622 hybrid_tuner_release_state(priv);
1623
1624 mutex_unlock(&xc4000_list_mutex);
1625
1626 fe->tuner_priv = NULL;
1627
1628 return 0;
1629}
1630
1631static const struct dvb_tuner_ops xc4000_tuner_ops = {
1632 .info = {
1633 .name = "Xceive XC4000",
1634 .frequency_min = 1000000,
1635 .frequency_max = 1023000000,
1636 .frequency_step = 50000,
1637 },
1638
1639 .release = xc4000_release,
1640 .init = xc4000_init,
1641 .sleep = xc4000_sleep,
1642
1643 .set_params = xc4000_set_params,
1644 .set_analog_params = xc4000_set_analog_params,
1645 .get_frequency = xc4000_get_frequency,
1646 .get_rf_strength = xc4000_get_signal,
1647 .get_bandwidth = xc4000_get_bandwidth,
1648 .get_status = xc4000_get_status
1649};
1650
1651struct dvb_frontend *xc4000_attach(struct dvb_frontend *fe,
1652 struct i2c_adapter *i2c,
1653 struct xc4000_config *cfg)
1654{
1655 struct xc4000_priv *priv = NULL;
1656 int instance;
1657 u16 id = 0;
1658
1659 dprintk(1, "%s(%d-%04x)\n", __func__,
1660 i2c ? i2c_adapter_id(i2c) : -1,
1661 cfg ? cfg->i2c_address : -1);
1662
1663 mutex_lock(&xc4000_list_mutex);
1664
1665 instance = hybrid_tuner_request_state(struct xc4000_priv, priv,
1666 hybrid_tuner_instance_list,
1667 i2c, cfg->i2c_address, "xc4000");
1668 switch (instance) {
1669 case 0:
1670 goto fail;
1671 break;
1672 case 1:
1673
1674 priv->bandwidth = 6000000;
1675
1676 priv->if_khz = 4560;
1677 priv->default_pm = 0;
1678 priv->dvb_amplitude = 134;
1679 priv->set_smoothedcvbs = 1;
1680 mutex_init(&priv->lock);
1681 fe->tuner_priv = priv;
1682 break;
1683 default:
1684
1685 fe->tuner_priv = priv;
1686 break;
1687 }
1688
1689 if (cfg->if_khz != 0) {
1690
1691 priv->if_khz = cfg->if_khz;
1692 priv->default_pm = cfg->default_pm;
1693 priv->dvb_amplitude = cfg->dvb_amplitude;
1694 priv->set_smoothedcvbs = cfg->set_smoothedcvbs;
1695 }
1696
1697
1698
1699
1700
1701 if (instance == 1) {
1702 if (xc4000_readreg(priv, XREG_PRODUCT_ID, &id) != 0)
1703 goto fail;
1704 } else {
1705 id = ((priv->cur_fw.type & BASE) != 0 ?
1706 priv->hwmodel : XC_PRODUCT_ID_FW_NOT_LOADED);
1707 }
1708
1709 switch (id) {
1710 case XC_PRODUCT_ID_XC4000:
1711 case XC_PRODUCT_ID_XC4100:
1712 printk(KERN_INFO
1713 "xc4000: Successfully identified at address 0x%02x\n",
1714 cfg->i2c_address);
1715 printk(KERN_INFO
1716 "xc4000: Firmware has been loaded previously\n");
1717 break;
1718 case XC_PRODUCT_ID_FW_NOT_LOADED:
1719 printk(KERN_INFO
1720 "xc4000: Successfully identified at address 0x%02x\n",
1721 cfg->i2c_address);
1722 printk(KERN_INFO
1723 "xc4000: Firmware has not been loaded previously\n");
1724 break;
1725 default:
1726 printk(KERN_ERR
1727 "xc4000: Device not found at addr 0x%02x (0x%x)\n",
1728 cfg->i2c_address, id);
1729 goto fail;
1730 }
1731
1732 mutex_unlock(&xc4000_list_mutex);
1733
1734 memcpy(&fe->ops.tuner_ops, &xc4000_tuner_ops,
1735 sizeof(struct dvb_tuner_ops));
1736
1737 if (instance == 1) {
1738 int ret;
1739 mutex_lock(&priv->lock);
1740 ret = xc4000_fwupload(fe);
1741 mutex_unlock(&priv->lock);
1742 if (ret != 0)
1743 goto fail2;
1744 }
1745
1746 return fe;
1747fail:
1748 mutex_unlock(&xc4000_list_mutex);
1749fail2:
1750 xc4000_release(fe);
1751 return NULL;
1752}
1753EXPORT_SYMBOL(xc4000_attach);
1754
1755MODULE_AUTHOR("Steven Toth, Davide Ferri");
1756MODULE_DESCRIPTION("Xceive xc4000 silicon tuner driver");
1757MODULE_LICENSE("GPL");
1758
