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12#include <linux/module.h>
13#include <linux/moduleparam.h>
14#include <linux/videodev2.h>
15#include <linux/delay.h>
16#include <linux/dvb/frontend.h>
17#include <linux/i2c.h>
18#include <linux/mutex.h>
19#include <asm/unaligned.h>
20
21#include <media/dvb_frontend.h>
22
23#include "xc4000.h"
24#include "tuner-i2c.h"
25#include "tuner-xc2028-types.h"
26
27static int debug;
28module_param(debug, int, 0644);
29MODULE_PARM_DESC(debug, "Debugging level (0 to 2, default: 0 (off)).");
30
31static int no_poweroff;
32module_param(no_poweroff, int, 0644);
33MODULE_PARM_DESC(no_poweroff, "Power management (1: disabled, 2: enabled, 0 (default): use device-specific default mode).");
34
35static int audio_std;
36module_param(audio_std, int, 0644);
37MODULE_PARM_DESC(audio_std, "Audio standard. XC4000 audio decoder explicitly needs to know what audio standard is needed for some video standards with audio A2 or NICAM. The valid settings are a sum of:\n"
38 " 1: use NICAM/B or A2/B instead of NICAM/A or A2/A\n"
39 " 2: use A2 instead of NICAM or BTSC\n"
40 " 4: use SECAM/K3 instead of K1\n"
41 " 8: use PAL-D/K audio for SECAM-D/K\n"
42 "16: use FM radio input 1 instead of input 2\n"
43 "32: use mono audio (the lower three bits are ignored)");
44
45static char firmware_name[30];
46module_param_string(firmware_name, firmware_name, sizeof(firmware_name), 0);
47MODULE_PARM_DESC(firmware_name, "Firmware file name. Allows overriding the default firmware name.");
48
49static DEFINE_MUTEX(xc4000_list_mutex);
50static LIST_HEAD(hybrid_tuner_instance_list);
51
52#define dprintk(level, fmt, arg...) if (debug >= level) \
53 printk(KERN_INFO "%s: " fmt, "xc4000", ## arg)
54
55
56struct firmware_description {
57 unsigned int type;
58 v4l2_std_id id;
59 __u16 int_freq;
60 unsigned char *ptr;
61 unsigned int size;
62};
63
64struct firmware_properties {
65 unsigned int type;
66 v4l2_std_id id;
67 v4l2_std_id std_req;
68 __u16 int_freq;
69 unsigned int scode_table;
70 int scode_nr;
71};
72
73struct xc4000_priv {
74 struct tuner_i2c_props i2c_props;
75 struct list_head hybrid_tuner_instance_list;
76 struct firmware_description *firm;
77 int firm_size;
78 u32 if_khz;
79 u32 freq_hz, freq_offset;
80 u32 bandwidth;
81 u8 video_standard;
82 u8 rf_mode;
83 u8 default_pm;
84 u8 dvb_amplitude;
85 u8 set_smoothedcvbs;
86 u8 ignore_i2c_write_errors;
87 __u16 firm_version;
88 struct firmware_properties cur_fw;
89 __u16 hwmodel;
90 __u16 hwvers;
91 struct mutex lock;
92};
93
94#define XC4000_AUDIO_STD_B 1
95#define XC4000_AUDIO_STD_A2 2
96#define XC4000_AUDIO_STD_K3 4
97#define XC4000_AUDIO_STD_L 8
98#define XC4000_AUDIO_STD_INPUT1 16
99#define XC4000_AUDIO_STD_MONO 32
100
101#define XC4000_DEFAULT_FIRMWARE "dvb-fe-xc4000-1.4.fw"
102#define XC4000_DEFAULT_FIRMWARE_NEW "dvb-fe-xc4000-1.4.1.fw"
103
104
105#define MAX_TV_STANDARD 24
106#define XC_MAX_I2C_WRITE_LENGTH 64
107#define XC_POWERED_DOWN 0x80000000U
108
109
110#define XC_RF_MODE_AIR 0
111#define XC_RF_MODE_CABLE 1
112
113
114#define XC_PRODUCT_ID_FW_NOT_LOADED 0x2000
115#define XC_PRODUCT_ID_XC4000 0x0FA0
116#define XC_PRODUCT_ID_XC4100 0x1004
117
118
119#define XREG_INIT 0x00
120#define XREG_VIDEO_MODE 0x01
121#define XREG_AUDIO_MODE 0x02
122#define XREG_RF_FREQ 0x03
123#define XREG_D_CODE 0x04
124#define XREG_DIRECTSITTING_MODE 0x05
125#define XREG_SEEK_MODE 0x06
126#define XREG_POWER_DOWN 0x08
127#define XREG_SIGNALSOURCE 0x0A
128#define XREG_SMOOTHEDCVBS 0x0E
129#define XREG_AMPLITUDE 0x10
130
131
132#define XREG_ADC_ENV 0x00
133#define XREG_QUALITY 0x01
134#define XREG_FRAME_LINES 0x02
135#define XREG_HSYNC_FREQ 0x03
136#define XREG_LOCK 0x04
137#define XREG_FREQ_ERROR 0x05
138#define XREG_SNR 0x06
139#define XREG_VERSION 0x07
140#define XREG_PRODUCT_ID 0x08
141#define XREG_SIGNAL_LEVEL 0x0A
142#define XREG_NOISE_LEVEL 0x0B
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177struct XC_TV_STANDARD {
178 const char *Name;
179 u16 audio_mode;
180 u16 video_mode;
181 u16 int_freq;
182};
183
184
185#define XC4000_MN_NTSC_PAL_BTSC 0
186#define XC4000_MN_NTSC_PAL_A2 1
187#define XC4000_MN_NTSC_PAL_EIAJ 2
188#define XC4000_MN_NTSC_PAL_Mono 3
189#define XC4000_BG_PAL_A2 4
190#define XC4000_BG_PAL_NICAM 5
191#define XC4000_BG_PAL_MONO 6
192#define XC4000_I_PAL_NICAM 7
193#define XC4000_I_PAL_NICAM_MONO 8
194#define XC4000_DK_PAL_A2 9
195#define XC4000_DK_PAL_NICAM 10
196#define XC4000_DK_PAL_MONO 11
197#define XC4000_DK_SECAM_A2DK1 12
198#define XC4000_DK_SECAM_A2LDK3 13
199#define XC4000_DK_SECAM_A2MONO 14
200#define XC4000_DK_SECAM_NICAM 15
201#define XC4000_L_SECAM_NICAM 16
202#define XC4000_LC_SECAM_NICAM 17
203#define XC4000_DTV6 18
204#define XC4000_DTV8 19
205#define XC4000_DTV7_8 20
206#define XC4000_DTV7 21
207#define XC4000_FM_Radio_INPUT2 22
208#define XC4000_FM_Radio_INPUT1 23
209
210static struct XC_TV_STANDARD xc4000_standard[MAX_TV_STANDARD] = {
211 {"M/N-NTSC/PAL-BTSC", 0x0000, 0x80A0, 4500},
212 {"M/N-NTSC/PAL-A2", 0x0000, 0x80A0, 4600},
213 {"M/N-NTSC/PAL-EIAJ", 0x0040, 0x80A0, 4500},
214 {"M/N-NTSC/PAL-Mono", 0x0078, 0x80A0, 4500},
215 {"B/G-PAL-A2", 0x0000, 0x8159, 5640},
216 {"B/G-PAL-NICAM", 0x0004, 0x8159, 5740},
217 {"B/G-PAL-MONO", 0x0078, 0x8159, 5500},
218 {"I-PAL-NICAM", 0x0080, 0x8049, 6240},
219 {"I-PAL-NICAM-MONO", 0x0078, 0x8049, 6000},
220 {"D/K-PAL-A2", 0x0000, 0x8049, 6380},
221 {"D/K-PAL-NICAM", 0x0080, 0x8049, 6200},
222 {"D/K-PAL-MONO", 0x0078, 0x8049, 6500},
223 {"D/K-SECAM-A2 DK1", 0x0000, 0x8049, 6340},
224 {"D/K-SECAM-A2 L/DK3", 0x0000, 0x8049, 6000},
225 {"D/K-SECAM-A2 MONO", 0x0078, 0x8049, 6500},
226 {"D/K-SECAM-NICAM", 0x0080, 0x8049, 6200},
227 {"L-SECAM-NICAM", 0x8080, 0x0009, 6200},
228 {"L'-SECAM-NICAM", 0x8080, 0x4009, 6200},
229 {"DTV6", 0x00C0, 0x8002, 0},
230 {"DTV8", 0x00C0, 0x800B, 0},
231 {"DTV7/8", 0x00C0, 0x801B, 0},
232 {"DTV7", 0x00C0, 0x8007, 0},
233 {"FM Radio-INPUT2", 0x0008, 0x9800, 10700},
234 {"FM Radio-INPUT1", 0x0008, 0x9000, 10700}
235};
236
237static int xc4000_readreg(struct xc4000_priv *priv, u16 reg, u16 *val);
238static int xc4000_tuner_reset(struct dvb_frontend *fe);
239static void xc_debug_dump(struct xc4000_priv *priv);
240
241static int xc_send_i2c_data(struct xc4000_priv *priv, u8 *buf, int len)
242{
243 struct i2c_msg msg = { .addr = priv->i2c_props.addr,
244 .flags = 0, .buf = buf, .len = len };
245 if (i2c_transfer(priv->i2c_props.adap, &msg, 1) != 1) {
246 if (priv->ignore_i2c_write_errors == 0) {
247 printk(KERN_ERR "xc4000: I2C write failed (len=%i)\n",
248 len);
249 if (len == 4) {
250 printk(KERN_ERR "bytes %*ph\n", 4, buf);
251 }
252 return -EREMOTEIO;
253 }
254 }
255 return 0;
256}
257
258static int xc4000_tuner_reset(struct dvb_frontend *fe)
259{
260 struct xc4000_priv *priv = fe->tuner_priv;
261 int ret;
262
263 dprintk(1, "%s()\n", __func__);
264
265 if (fe->callback) {
266 ret = fe->callback(((fe->dvb) && (fe->dvb->priv)) ?
267 fe->dvb->priv :
268 priv->i2c_props.adap->algo_data,
269 DVB_FRONTEND_COMPONENT_TUNER,
270 XC4000_TUNER_RESET, 0);
271 if (ret) {
272 printk(KERN_ERR "xc4000: reset failed\n");
273 return -EREMOTEIO;
274 }
275 } else {
276 printk(KERN_ERR "xc4000: no tuner reset callback function, fatal\n");
277 return -EINVAL;
278 }
279 return 0;
280}
281
282static int xc_write_reg(struct xc4000_priv *priv, u16 regAddr, u16 i2cData)
283{
284 u8 buf[4];
285 int result;
286
287 buf[0] = (regAddr >> 8) & 0xFF;
288 buf[1] = regAddr & 0xFF;
289 buf[2] = (i2cData >> 8) & 0xFF;
290 buf[3] = i2cData & 0xFF;
291 result = xc_send_i2c_data(priv, buf, 4);
292
293 return result;
294}
295
296static int xc_load_i2c_sequence(struct dvb_frontend *fe, const u8 *i2c_sequence)
297{
298 struct xc4000_priv *priv = fe->tuner_priv;
299
300 int i, nbytes_to_send, result;
301 unsigned int len, pos, index;
302 u8 buf[XC_MAX_I2C_WRITE_LENGTH];
303
304 index = 0;
305 while ((i2c_sequence[index] != 0xFF) ||
306 (i2c_sequence[index + 1] != 0xFF)) {
307 len = i2c_sequence[index] * 256 + i2c_sequence[index+1];
308 if (len == 0x0000) {
309
310
311
312 index += 2;
313 } else if (len & 0x8000) {
314
315 msleep(len & 0x7FFF);
316 index += 2;
317 } else {
318
319
320
321 index += 2;
322 buf[0] = i2c_sequence[index];
323 buf[1] = i2c_sequence[index + 1];
324 pos = 2;
325 while (pos < len) {
326 if ((len - pos) > XC_MAX_I2C_WRITE_LENGTH - 2)
327 nbytes_to_send =
328 XC_MAX_I2C_WRITE_LENGTH;
329 else
330 nbytes_to_send = (len - pos + 2);
331 for (i = 2; i < nbytes_to_send; i++) {
332 buf[i] = i2c_sequence[index + pos +
333 i - 2];
334 }
335 result = xc_send_i2c_data(priv, buf,
336 nbytes_to_send);
337
338 if (result != 0)
339 return result;
340
341 pos += nbytes_to_send - 2;
342 }
343 index += len;
344 }
345 }
346 return 0;
347}
348
349static int xc_set_tv_standard(struct xc4000_priv *priv,
350 u16 video_mode, u16 audio_mode)
351{
352 int ret;
353 dprintk(1, "%s(0x%04x,0x%04x)\n", __func__, video_mode, audio_mode);
354 dprintk(1, "%s() Standard = %s\n",
355 __func__,
356 xc4000_standard[priv->video_standard].Name);
357
358
359 priv->ignore_i2c_write_errors = 1;
360
361 ret = xc_write_reg(priv, XREG_VIDEO_MODE, video_mode);
362 if (ret == 0)
363 ret = xc_write_reg(priv, XREG_AUDIO_MODE, audio_mode);
364
365 priv->ignore_i2c_write_errors = 0;
366
367 return ret;
368}
369
370static int xc_set_signal_source(struct xc4000_priv *priv, u16 rf_mode)
371{
372 dprintk(1, "%s(%d) Source = %s\n", __func__, rf_mode,
373 rf_mode == XC_RF_MODE_AIR ? "ANTENNA" : "CABLE");
374
375 if ((rf_mode != XC_RF_MODE_AIR) && (rf_mode != XC_RF_MODE_CABLE)) {
376 rf_mode = XC_RF_MODE_CABLE;
377 printk(KERN_ERR
378 "%s(), Invalid mode, defaulting to CABLE",
379 __func__);
380 }
381 return xc_write_reg(priv, XREG_SIGNALSOURCE, rf_mode);
382}
383
384static const struct dvb_tuner_ops xc4000_tuner_ops;
385
386static int xc_set_rf_frequency(struct xc4000_priv *priv, u32 freq_hz)
387{
388 u16 freq_code;
389
390 dprintk(1, "%s(%u)\n", __func__, freq_hz);
391
392 if ((freq_hz > xc4000_tuner_ops.info.frequency_max_hz) ||
393 (freq_hz < xc4000_tuner_ops.info.frequency_min_hz))
394 return -EINVAL;
395
396 freq_code = (u16)(freq_hz / 15625);
397
398
399
400
401
402 return xc_write_reg(priv, XREG_RF_FREQ, freq_code);
403}
404
405static int xc_get_adc_envelope(struct xc4000_priv *priv, u16 *adc_envelope)
406{
407 return xc4000_readreg(priv, XREG_ADC_ENV, adc_envelope);
408}
409
410static int xc_get_frequency_error(struct xc4000_priv *priv, u32 *freq_error_hz)
411{
412 int result;
413 u16 regData;
414 u32 tmp;
415
416 result = xc4000_readreg(priv, XREG_FREQ_ERROR, ®Data);
417 if (result != 0)
418 return result;
419
420 tmp = (u32)regData & 0xFFFFU;
421 tmp = (tmp < 0x8000U ? tmp : 0x10000U - tmp);
422 (*freq_error_hz) = tmp * 15625;
423 return result;
424}
425
426static int xc_get_lock_status(struct xc4000_priv *priv, u16 *lock_status)
427{
428 return xc4000_readreg(priv, XREG_LOCK, lock_status);
429}
430
431static int xc_get_version(struct xc4000_priv *priv,
432 u8 *hw_majorversion, u8 *hw_minorversion,
433 u8 *fw_majorversion, u8 *fw_minorversion)
434{
435 u16 data;
436 int result;
437
438 result = xc4000_readreg(priv, XREG_VERSION, &data);
439 if (result != 0)
440 return result;
441
442 (*hw_majorversion) = (data >> 12) & 0x0F;
443 (*hw_minorversion) = (data >> 8) & 0x0F;
444 (*fw_majorversion) = (data >> 4) & 0x0F;
445 (*fw_minorversion) = data & 0x0F;
446
447 return 0;
448}
449
450static int xc_get_hsync_freq(struct xc4000_priv *priv, u32 *hsync_freq_hz)
451{
452 u16 regData;
453 int result;
454
455 result = xc4000_readreg(priv, XREG_HSYNC_FREQ, ®Data);
456 if (result != 0)
457 return result;
458
459 (*hsync_freq_hz) = ((regData & 0x0fff) * 763)/100;
460 return result;
461}
462
463static int xc_get_frame_lines(struct xc4000_priv *priv, u16 *frame_lines)
464{
465 return xc4000_readreg(priv, XREG_FRAME_LINES, frame_lines);
466}
467
468static int xc_get_quality(struct xc4000_priv *priv, u16 *quality)
469{
470 return xc4000_readreg(priv, XREG_QUALITY, quality);
471}
472
473static int xc_get_signal_level(struct xc4000_priv *priv, u16 *signal)
474{
475 return xc4000_readreg(priv, XREG_SIGNAL_LEVEL, signal);
476}
477
478static int xc_get_noise_level(struct xc4000_priv *priv, u16 *noise)
479{
480 return xc4000_readreg(priv, XREG_NOISE_LEVEL, noise);
481}
482
483static u16 xc_wait_for_lock(struct xc4000_priv *priv)
484{
485 u16 lock_state = 0;
486 int watchdog_count = 40;
487
488 while ((lock_state == 0) && (watchdog_count > 0)) {
489 xc_get_lock_status(priv, &lock_state);
490 if (lock_state != 1) {
491 msleep(5);
492 watchdog_count--;
493 }
494 }
495 return lock_state;
496}
497
498static int xc_tune_channel(struct xc4000_priv *priv, u32 freq_hz)
499{
500 int found = 1;
501 int result;
502
503 dprintk(1, "%s(%u)\n", __func__, freq_hz);
504
505
506 priv->ignore_i2c_write_errors = 1;
507 result = xc_set_rf_frequency(priv, freq_hz);
508 priv->ignore_i2c_write_errors = 0;
509
510 if (result != 0)
511 return 0;
512
513
514 if ((priv->cur_fw.type & (FM | DTV6 | DTV7 | DTV78 | DTV8)) == 0) {
515 if (xc_wait_for_lock(priv) != 1)
516 found = 0;
517 }
518
519
520
521
522
523 msleep(debug ? 100 : 10);
524
525 if (debug)
526 xc_debug_dump(priv);
527
528 return found;
529}
530
531static int xc4000_readreg(struct xc4000_priv *priv, u16 reg, u16 *val)
532{
533 u8 buf[2] = { reg >> 8, reg & 0xff };
534 u8 bval[2] = { 0, 0 };
535 struct i2c_msg msg[2] = {
536 { .addr = priv->i2c_props.addr,
537 .flags = 0, .buf = &buf[0], .len = 2 },
538 { .addr = priv->i2c_props.addr,
539 .flags = I2C_M_RD, .buf = &bval[0], .len = 2 },
540 };
541
542 if (i2c_transfer(priv->i2c_props.adap, msg, 2) != 2) {
543 printk(KERN_ERR "xc4000: I2C read failed\n");
544 return -EREMOTEIO;
545 }
546
547 *val = (bval[0] << 8) | bval[1];
548 return 0;
549}
550
551#define dump_firm_type(t) dump_firm_type_and_int_freq(t, 0)
552static void dump_firm_type_and_int_freq(unsigned int type, u16 int_freq)
553{
554 if (type & BASE)
555 printk(KERN_CONT "BASE ");
556 if (type & INIT1)
557 printk(KERN_CONT "INIT1 ");
558 if (type & F8MHZ)
559 printk(KERN_CONT "F8MHZ ");
560 if (type & MTS)
561 printk(KERN_CONT "MTS ");
562 if (type & D2620)
563 printk(KERN_CONT "D2620 ");
564 if (type & D2633)
565 printk(KERN_CONT "D2633 ");
566 if (type & DTV6)
567 printk(KERN_CONT "DTV6 ");
568 if (type & QAM)
569 printk(KERN_CONT "QAM ");
570 if (type & DTV7)
571 printk(KERN_CONT "DTV7 ");
572 if (type & DTV78)
573 printk(KERN_CONT "DTV78 ");
574 if (type & DTV8)
575 printk(KERN_CONT "DTV8 ");
576 if (type & FM)
577 printk(KERN_CONT "FM ");
578 if (type & INPUT1)
579 printk(KERN_CONT "INPUT1 ");
580 if (type & LCD)
581 printk(KERN_CONT "LCD ");
582 if (type & NOGD)
583 printk(KERN_CONT "NOGD ");
584 if (type & MONO)
585 printk(KERN_CONT "MONO ");
586 if (type & ATSC)
587 printk(KERN_CONT "ATSC ");
588 if (type & IF)
589 printk(KERN_CONT "IF ");
590 if (type & LG60)
591 printk(KERN_CONT "LG60 ");
592 if (type & ATI638)
593 printk(KERN_CONT "ATI638 ");
594 if (type & OREN538)
595 printk(KERN_CONT "OREN538 ");
596 if (type & OREN36)
597 printk(KERN_CONT "OREN36 ");
598 if (type & TOYOTA388)
599 printk(KERN_CONT "TOYOTA388 ");
600 if (type & TOYOTA794)
601 printk(KERN_CONT "TOYOTA794 ");
602 if (type & DIBCOM52)
603 printk(KERN_CONT "DIBCOM52 ");
604 if (type & ZARLINK456)
605 printk(KERN_CONT "ZARLINK456 ");
606 if (type & CHINA)
607 printk(KERN_CONT "CHINA ");
608 if (type & F6MHZ)
609 printk(KERN_CONT "F6MHZ ");
610 if (type & INPUT2)
611 printk(KERN_CONT "INPUT2 ");
612 if (type & SCODE)
613 printk(KERN_CONT "SCODE ");
614 if (type & HAS_IF)
615 printk(KERN_CONT "HAS_IF_%d ", int_freq);
616}
617
618static int seek_firmware(struct dvb_frontend *fe, unsigned int type,
619 v4l2_std_id *id)
620{
621 struct xc4000_priv *priv = fe->tuner_priv;
622 int i, best_i = -1;
623 unsigned int best_nr_diffs = 255U;
624
625 if (!priv->firm) {
626 printk(KERN_ERR "Error! firmware not loaded\n");
627 return -EINVAL;
628 }
629
630 if (((type & ~SCODE) == 0) && (*id == 0))
631 *id = V4L2_STD_PAL;
632
633
634 for (i = 0; i < priv->firm_size; i++) {
635 v4l2_std_id id_diff_mask =
636 (priv->firm[i].id ^ (*id)) & (*id);
637 unsigned int type_diff_mask =
638 (priv->firm[i].type ^ type)
639 & (BASE_TYPES | DTV_TYPES | LCD | NOGD | MONO | SCODE);
640 unsigned int nr_diffs;
641
642 if (type_diff_mask
643 & (BASE | INIT1 | FM | DTV6 | DTV7 | DTV78 | DTV8 | SCODE))
644 continue;
645
646 nr_diffs = hweight64(id_diff_mask) + hweight32(type_diff_mask);
647 if (!nr_diffs)
648 goto found;
649
650 if (nr_diffs < best_nr_diffs) {
651 best_nr_diffs = nr_diffs;
652 best_i = i;
653 }
654 }
655
656
657 if (best_i < 0) {
658 i = -ENOENT;
659 goto ret;
660 }
661
662 if (best_nr_diffs > 0U) {
663 printk(KERN_WARNING
664 "Selecting best matching firmware (%u bits differ) for type=(%x), id %016llx:\n",
665 best_nr_diffs, type, (unsigned long long)*id);
666 i = best_i;
667 }
668
669found:
670 *id = priv->firm[i].id;
671
672ret:
673 if (debug) {
674 printk(KERN_DEBUG "%s firmware for type=",
675 (i < 0) ? "Can't find" : "Found");
676 dump_firm_type(type);
677 printk(KERN_DEBUG "(%x), id %016llx.\n", type, (unsigned long long)*id);
678 }
679 return i;
680}
681
682static int load_firmware(struct dvb_frontend *fe, unsigned int type,
683 v4l2_std_id *id)
684{
685 struct xc4000_priv *priv = fe->tuner_priv;
686 int pos, rc;
687 unsigned char *p;
688
689 pos = seek_firmware(fe, type, id);
690 if (pos < 0)
691 return pos;
692
693 p = priv->firm[pos].ptr;
694
695
696 priv->ignore_i2c_write_errors = 1;
697
698 rc = xc_load_i2c_sequence(fe, p);
699
700 priv->ignore_i2c_write_errors = 0;
701
702 return rc;
703}
704
705static int xc4000_fwupload(struct dvb_frontend *fe)
706{
707 struct xc4000_priv *priv = fe->tuner_priv;
708 const struct firmware *fw = NULL;
709 const unsigned char *p, *endp;
710 int rc = 0;
711 int n, n_array;
712 char name[33];
713 const char *fname;
714
715 if (firmware_name[0] != '\0') {
716 fname = firmware_name;
717
718 dprintk(1, "Reading custom firmware %s\n", fname);
719 rc = request_firmware(&fw, fname,
720 priv->i2c_props.adap->dev.parent);
721 } else {
722 fname = XC4000_DEFAULT_FIRMWARE_NEW;
723 dprintk(1, "Trying to read firmware %s\n", fname);
724 rc = request_firmware(&fw, fname,
725 priv->i2c_props.adap->dev.parent);
726 if (rc == -ENOENT) {
727 fname = XC4000_DEFAULT_FIRMWARE;
728 dprintk(1, "Trying to read firmware %s\n", fname);
729 rc = request_firmware(&fw, fname,
730 priv->i2c_props.adap->dev.parent);
731 }
732 }
733
734 if (rc < 0) {
735 if (rc == -ENOENT)
736 printk(KERN_ERR "Error: firmware %s not found.\n", fname);
737 else
738 printk(KERN_ERR "Error %d while requesting firmware %s\n",
739 rc, fname);
740
741 return rc;
742 }
743 dprintk(1, "Loading Firmware: %s\n", fname);
744
745 p = fw->data;
746 endp = p + fw->size;
747
748 if (fw->size < sizeof(name) - 1 + 2 + 2) {
749 printk(KERN_ERR "Error: firmware file %s has invalid size!\n",
750 fname);
751 goto corrupt;
752 }
753
754 memcpy(name, p, sizeof(name) - 1);
755 name[sizeof(name) - 1] = '\0';
756 p += sizeof(name) - 1;
757
758 priv->firm_version = get_unaligned_le16(p);
759 p += 2;
760
761 n_array = get_unaligned_le16(p);
762 p += 2;
763
764 dprintk(1, "Loading %d firmware images from %s, type: %s, ver %d.%d\n",
765 n_array, fname, name,
766 priv->firm_version >> 8, priv->firm_version & 0xff);
767
768 priv->firm = kcalloc(n_array, sizeof(*priv->firm), GFP_KERNEL);
769 if (priv->firm == NULL) {
770 printk(KERN_ERR "Not enough memory to load firmware file.\n");
771 rc = -ENOMEM;
772 goto done;
773 }
774 priv->firm_size = n_array;
775
776 n = -1;
777 while (p < endp) {
778 __u32 type, size;
779 v4l2_std_id id;
780 __u16 int_freq = 0;
781
782 n++;
783 if (n >= n_array) {
784 printk(KERN_ERR "More firmware images in file than were expected!\n");
785 goto corrupt;
786 }
787
788
789 if (endp - p < sizeof(type) + sizeof(id) + sizeof(size))
790 goto header;
791
792 type = get_unaligned_le32(p);
793 p += sizeof(type);
794
795 id = get_unaligned_le64(p);
796 p += sizeof(id);
797
798 if (type & HAS_IF) {
799 int_freq = get_unaligned_le16(p);
800 p += sizeof(int_freq);
801 if (endp - p < sizeof(size))
802 goto header;
803 }
804
805 size = get_unaligned_le32(p);
806 p += sizeof(size);
807
808 if (!size || size > endp - p) {
809 printk(KERN_ERR "Firmware type (%x), id %llx is corrupted (size=%zd, expected %d)\n",
810 type, (unsigned long long)id,
811 endp - p, size);
812 goto corrupt;
813 }
814
815 priv->firm[n].ptr = kzalloc(size, GFP_KERNEL);
816 if (priv->firm[n].ptr == NULL) {
817 printk(KERN_ERR "Not enough memory to load firmware file.\n");
818 rc = -ENOMEM;
819 goto done;
820 }
821
822 if (debug) {
823 printk(KERN_DEBUG "Reading firmware type ");
824 dump_firm_type_and_int_freq(type, int_freq);
825 printk(KERN_DEBUG "(%x), id %llx, size=%d.\n",
826 type, (unsigned long long)id, size);
827 }
828
829 memcpy(priv->firm[n].ptr, p, size);
830 priv->firm[n].type = type;
831 priv->firm[n].id = id;
832 priv->firm[n].size = size;
833 priv->firm[n].int_freq = int_freq;
834
835 p += size;
836 }
837
838 if (n + 1 != priv->firm_size) {
839 printk(KERN_ERR "Firmware file is incomplete!\n");
840 goto corrupt;
841 }
842
843 goto done;
844
845header:
846 printk(KERN_ERR "Firmware header is incomplete!\n");
847corrupt:
848 rc = -EINVAL;
849 printk(KERN_ERR "Error: firmware file is corrupted!\n");
850
851done:
852 release_firmware(fw);
853 if (rc == 0)
854 dprintk(1, "Firmware files loaded.\n");
855
856 return rc;
857}
858
859static int load_scode(struct dvb_frontend *fe, unsigned int type,
860 v4l2_std_id *id, __u16 int_freq, int scode)
861{
862 struct xc4000_priv *priv = fe->tuner_priv;
863 int pos, rc;
864 unsigned char *p;
865 u8 scode_buf[13];
866 u8 indirect_mode[5];
867
868 dprintk(1, "%s called int_freq=%d\n", __func__, int_freq);
869
870 if (!int_freq) {
871 pos = seek_firmware(fe, type, id);
872 if (pos < 0)
873 return pos;
874 } else {
875 for (pos = 0; pos < priv->firm_size; pos++) {
876 if ((priv->firm[pos].int_freq == int_freq) &&
877 (priv->firm[pos].type & HAS_IF))
878 break;
879 }
880 if (pos == priv->firm_size)
881 return -ENOENT;
882 }
883
884 p = priv->firm[pos].ptr;
885
886 if (priv->firm[pos].size != 12 * 16 || scode >= 16)
887 return -EINVAL;
888 p += 12 * scode;
889
890 if (debug) {
891 tuner_info("Loading SCODE for type=");
892 dump_firm_type_and_int_freq(priv->firm[pos].type,
893 priv->firm[pos].int_freq);
894 printk(KERN_CONT "(%x), id %016llx.\n", priv->firm[pos].type,
895 (unsigned long long)*id);
896 }
897
898 scode_buf[0] = 0x00;
899 memcpy(&scode_buf[1], p, 12);
900
901
902 rc = xc_write_reg(priv, XREG_DIRECTSITTING_MODE, 0);
903 if (rc < 0) {
904 printk(KERN_ERR "failed to put device into direct mode!\n");
905 return -EIO;
906 }
907
908 rc = xc_send_i2c_data(priv, scode_buf, 13);
909 if (rc != 0) {
910
911
912 printk(KERN_ERR "Failed to set scode %d\n", rc);
913 }
914
915
916 memset(indirect_mode, 0, sizeof(indirect_mode));
917 indirect_mode[4] = 0x88;
918 xc_send_i2c_data(priv, indirect_mode, sizeof(indirect_mode));
919 msleep(10);
920
921 return 0;
922}
923
924static int check_firmware(struct dvb_frontend *fe, unsigned int type,
925 v4l2_std_id std, __u16 int_freq)
926{
927 struct xc4000_priv *priv = fe->tuner_priv;
928 struct firmware_properties new_fw;
929 int rc = 0, is_retry = 0;
930 u16 hwmodel;
931 v4l2_std_id std0;
932 u8 hw_major = 0, hw_minor = 0, fw_major = 0, fw_minor = 0;
933
934 dprintk(1, "%s called\n", __func__);
935
936 if (!priv->firm) {
937 rc = xc4000_fwupload(fe);
938 if (rc < 0)
939 return rc;
940 }
941
942retry:
943 new_fw.type = type;
944 new_fw.id = std;
945 new_fw.std_req = std;
946 new_fw.scode_table = SCODE;
947 new_fw.scode_nr = 0;
948 new_fw.int_freq = int_freq;
949
950 dprintk(1, "checking firmware, user requested type=");
951 if (debug) {
952 dump_firm_type(new_fw.type);
953 printk(KERN_CONT "(%x), id %016llx, ", new_fw.type,
954 (unsigned long long)new_fw.std_req);
955 if (!int_freq)
956 printk(KERN_CONT "scode_tbl ");
957 else
958 printk(KERN_CONT "int_freq %d, ", new_fw.int_freq);
959 printk(KERN_CONT "scode_nr %d\n", new_fw.scode_nr);
960 }
961
962
963 if (priv->cur_fw.type & BASE) {
964 dprintk(1, "BASE firmware not changed.\n");
965 goto skip_base;
966 }
967
968
969 memset(&priv->cur_fw, 0, sizeof(priv->cur_fw));
970
971
972 rc = xc4000_tuner_reset(fe);
973 if (rc < 0)
974 goto fail;
975
976
977 std0 = 0;
978 rc = load_firmware(fe, BASE, &std0);
979 if (rc < 0) {
980 printk(KERN_ERR "Error %d while loading base firmware\n", rc);
981 goto fail;
982 }
983
984
985 dprintk(1, "Load init1 firmware, if exists\n");
986
987 rc = load_firmware(fe, BASE | INIT1, &std0);
988 if (rc == -ENOENT)
989 rc = load_firmware(fe, BASE | INIT1, &std0);
990 if (rc < 0 && rc != -ENOENT) {
991 tuner_err("Error %d while loading init1 firmware\n",
992 rc);
993 goto fail;
994 }
995
996skip_base:
997
998
999
1000
1001 if (priv->cur_fw.type == (BASE | new_fw.type) &&
1002 priv->cur_fw.std_req == std) {
1003 dprintk(1, "Std-specific firmware already loaded.\n");
1004 goto skip_std_specific;
1005 }
1006
1007
1008 priv->cur_fw.scode_table = 0;
1009
1010
1011 rc = load_firmware(fe, new_fw.type, &new_fw.id);
1012
1013 if (rc < 0)
1014 goto fail;
1015
1016skip_std_specific:
1017 if (priv->cur_fw.scode_table == new_fw.scode_table &&
1018 priv->cur_fw.scode_nr == new_fw.scode_nr) {
1019 dprintk(1, "SCODE firmware already loaded.\n");
1020 goto check_device;
1021 }
1022
1023
1024 rc = load_scode(fe, new_fw.type | new_fw.scode_table, &new_fw.id,
1025 new_fw.int_freq, new_fw.scode_nr);
1026 if (rc != 0)
1027 dprintk(1, "load scode failed %d\n", rc);
1028
1029check_device:
1030 if (xc4000_readreg(priv, XREG_PRODUCT_ID, &hwmodel) < 0) {
1031 printk(KERN_ERR "Unable to read tuner registers.\n");
1032 goto fail;
1033 }
1034
1035 if (xc_get_version(priv, &hw_major, &hw_minor, &fw_major,
1036 &fw_minor) != 0) {
1037 printk(KERN_ERR "Unable to read tuner registers.\n");
1038 goto fail;
1039 }
1040
1041 dprintk(1, "Device is Xceive %d version %d.%d, firmware version %d.%d\n",
1042 hwmodel, hw_major, hw_minor, fw_major, fw_minor);
1043
1044
1045 if (priv->firm_version != ((fw_major << 8) | fw_minor)) {
1046 printk(KERN_WARNING
1047 "Incorrect readback of firmware version %d.%d.\n",
1048 fw_major, fw_minor);
1049 goto fail;
1050 }
1051
1052
1053 if (priv->hwmodel == 0 &&
1054 (hwmodel == XC_PRODUCT_ID_XC4000 ||
1055 hwmodel == XC_PRODUCT_ID_XC4100)) {
1056 priv->hwmodel = hwmodel;
1057 priv->hwvers = (hw_major << 8) | hw_minor;
1058 } else if (priv->hwmodel == 0 || priv->hwmodel != hwmodel ||
1059 priv->hwvers != ((hw_major << 8) | hw_minor)) {
1060 printk(KERN_WARNING
1061 "Read invalid device hardware information - tuner hung?\n");
1062 goto fail;
1063 }
1064
1065 priv->cur_fw = new_fw;
1066
1067
1068
1069
1070
1071
1072
1073 priv->cur_fw.type |= BASE;
1074
1075 return 0;
1076
1077fail:
1078 memset(&priv->cur_fw, 0, sizeof(priv->cur_fw));
1079 if (!is_retry) {
1080 msleep(50);
1081 is_retry = 1;
1082 dprintk(1, "Retrying firmware load\n");
1083 goto retry;
1084 }
1085
1086 if (rc == -ENOENT)
1087 rc = -EINVAL;
1088 return rc;
1089}
1090
1091static void xc_debug_dump(struct xc4000_priv *priv)
1092{
1093 u16 adc_envelope;
1094 u32 freq_error_hz = 0;
1095 u16 lock_status;
1096 u32 hsync_freq_hz = 0;
1097 u16 frame_lines;
1098 u16 quality;
1099 u16 signal = 0;
1100 u16 noise = 0;
1101 u8 hw_majorversion = 0, hw_minorversion = 0;
1102 u8 fw_majorversion = 0, fw_minorversion = 0;
1103
1104 xc_get_adc_envelope(priv, &adc_envelope);
1105 dprintk(1, "*** ADC envelope (0-1023) = %d\n", adc_envelope);
1106
1107 xc_get_frequency_error(priv, &freq_error_hz);
1108 dprintk(1, "*** Frequency error = %d Hz\n", freq_error_hz);
1109
1110 xc_get_lock_status(priv, &lock_status);
1111 dprintk(1, "*** Lock status (0-Wait, 1-Locked, 2-No-signal) = %d\n",
1112 lock_status);
1113
1114 xc_get_version(priv, &hw_majorversion, &hw_minorversion,
1115 &fw_majorversion, &fw_minorversion);
1116 dprintk(1, "*** HW: V%02x.%02x, FW: V%02x.%02x\n",
1117 hw_majorversion, hw_minorversion,
1118 fw_majorversion, fw_minorversion);
1119
1120 if (priv->video_standard < XC4000_DTV6) {
1121 xc_get_hsync_freq(priv, &hsync_freq_hz);
1122 dprintk(1, "*** Horizontal sync frequency = %d Hz\n",
1123 hsync_freq_hz);
1124
1125 xc_get_frame_lines(priv, &frame_lines);
1126 dprintk(1, "*** Frame lines = %d\n", frame_lines);
1127 }
1128
1129 xc_get_quality(priv, &quality);
1130 dprintk(1, "*** Quality (0:<8dB, 7:>56dB) = %d\n", quality);
1131
1132 xc_get_signal_level(priv, &signal);
1133 dprintk(1, "*** Signal level = -%ddB (%d)\n", signal >> 8, signal);
1134
1135 xc_get_noise_level(priv, &noise);
1136 dprintk(1, "*** Noise level = %ddB (%d)\n", noise >> 8, noise);
1137}
1138
1139static int xc4000_set_params(struct dvb_frontend *fe)
1140{
1141 struct dtv_frontend_properties *c = &fe->dtv_property_cache;
1142 u32 delsys = c->delivery_system;
1143 u32 bw = c->bandwidth_hz;
1144 struct xc4000_priv *priv = fe->tuner_priv;
1145 unsigned int type;
1146 int ret = -EREMOTEIO;
1147
1148 dprintk(1, "%s() frequency=%d (Hz)\n", __func__, c->frequency);
1149
1150 mutex_lock(&priv->lock);
1151
1152 switch (delsys) {
1153 case SYS_ATSC:
1154 dprintk(1, "%s() VSB modulation\n", __func__);
1155 priv->rf_mode = XC_RF_MODE_AIR;
1156 priv->freq_offset = 1750000;
1157 priv->video_standard = XC4000_DTV6;
1158 type = DTV6;
1159 break;
1160 case SYS_DVBC_ANNEX_B:
1161 dprintk(1, "%s() QAM modulation\n", __func__);
1162 priv->rf_mode = XC_RF_MODE_CABLE;
1163 priv->freq_offset = 1750000;
1164 priv->video_standard = XC4000_DTV6;
1165 type = DTV6;
1166 break;
1167 case SYS_DVBT:
1168 case SYS_DVBT2:
1169 dprintk(1, "%s() OFDM\n", __func__);
1170 if (bw == 0) {
1171 if (c->frequency < 400000000) {
1172 priv->freq_offset = 2250000;
1173 } else {
1174 priv->freq_offset = 2750000;
1175 }
1176 priv->video_standard = XC4000_DTV7_8;
1177 type = DTV78;
1178 } else if (bw <= 6000000) {
1179 priv->video_standard = XC4000_DTV6;
1180 priv->freq_offset = 1750000;
1181 type = DTV6;
1182 } else if (bw <= 7000000) {
1183 priv->video_standard = XC4000_DTV7;
1184 priv->freq_offset = 2250000;
1185 type = DTV7;
1186 } else {
1187 priv->video_standard = XC4000_DTV8;
1188 priv->freq_offset = 2750000;
1189 type = DTV8;
1190 }
1191 priv->rf_mode = XC_RF_MODE_AIR;
1192 break;
1193 default:
1194 printk(KERN_ERR "xc4000 delivery system not supported!\n");
1195 ret = -EINVAL;
1196 goto fail;
1197 }
1198
1199 priv->freq_hz = c->frequency - priv->freq_offset;
1200
1201 dprintk(1, "%s() frequency=%d (compensated)\n",
1202 __func__, priv->freq_hz);
1203
1204
1205 if (check_firmware(fe, type, 0, priv->if_khz) != 0)
1206 goto fail;
1207
1208 priv->bandwidth = c->bandwidth_hz;
1209
1210 ret = xc_set_signal_source(priv, priv->rf_mode);
1211 if (ret != 0) {
1212 printk(KERN_ERR "xc4000: xc_set_signal_source(%d) failed\n",
1213 priv->rf_mode);
1214 goto fail;
1215 } else {
1216 u16 video_mode, audio_mode;
1217 video_mode = xc4000_standard[priv->video_standard].video_mode;
1218 audio_mode = xc4000_standard[priv->video_standard].audio_mode;
1219 if (type == DTV6 && priv->firm_version != 0x0102)
1220 video_mode |= 0x0001;
1221 ret = xc_set_tv_standard(priv, video_mode, audio_mode);
1222 if (ret != 0) {
1223 printk(KERN_ERR "xc4000: xc_set_tv_standard failed\n");
1224
1225
1226 }
1227 }
1228
1229 if (xc_write_reg(priv, XREG_D_CODE, 0) == 0)
1230 ret = 0;
1231 if (priv->dvb_amplitude != 0) {
1232 if (xc_write_reg(priv, XREG_AMPLITUDE,
1233 (priv->firm_version != 0x0102 ||
1234 priv->dvb_amplitude != 134 ?
1235 priv->dvb_amplitude : 132)) != 0)
1236 ret = -EREMOTEIO;
1237 }
1238 if (priv->set_smoothedcvbs != 0) {
1239 if (xc_write_reg(priv, XREG_SMOOTHEDCVBS, 1) != 0)
1240 ret = -EREMOTEIO;
1241 }
1242 if (ret != 0) {
1243 printk(KERN_ERR "xc4000: setting registers failed\n");
1244
1245 }
1246
1247 xc_tune_channel(priv, priv->freq_hz);
1248
1249 ret = 0;
1250
1251fail:
1252 mutex_unlock(&priv->lock);
1253
1254 return ret;
1255}
1256
1257static int xc4000_set_analog_params(struct dvb_frontend *fe,
1258 struct analog_parameters *params)
1259{
1260 struct xc4000_priv *priv = fe->tuner_priv;
1261 unsigned int type = 0;
1262 int ret = -EREMOTEIO;
1263
1264 if (params->mode == V4L2_TUNER_RADIO) {
1265 dprintk(1, "%s() frequency=%d (in units of 62.5Hz)\n",
1266 __func__, params->frequency);
1267
1268 mutex_lock(&priv->lock);
1269
1270 params->std = 0;
1271 priv->freq_hz = params->frequency * 125L / 2;
1272
1273 if (audio_std & XC4000_AUDIO_STD_INPUT1) {
1274 priv->video_standard = XC4000_FM_Radio_INPUT1;
1275 type = FM | INPUT1;
1276 } else {
1277 priv->video_standard = XC4000_FM_Radio_INPUT2;
1278 type = FM | INPUT2;
1279 }
1280
1281 goto tune_channel;
1282 }
1283
1284 dprintk(1, "%s() frequency=%d (in units of 62.5khz)\n",
1285 __func__, params->frequency);
1286
1287 mutex_lock(&priv->lock);
1288
1289
1290 priv->freq_hz = params->frequency * 62500;
1291
1292 params->std &= V4L2_STD_ALL;
1293
1294 if (!params->std)
1295 params->std = V4L2_STD_PAL_BG;
1296
1297 if (audio_std & XC4000_AUDIO_STD_MONO)
1298 type = MONO;
1299
1300 if (params->std & V4L2_STD_MN) {
1301 params->std = V4L2_STD_MN;
1302 if (audio_std & XC4000_AUDIO_STD_MONO) {
1303 priv->video_standard = XC4000_MN_NTSC_PAL_Mono;
1304 } else if (audio_std & XC4000_AUDIO_STD_A2) {
1305 params->std |= V4L2_STD_A2;
1306 priv->video_standard = XC4000_MN_NTSC_PAL_A2;
1307 } else {
1308 params->std |= V4L2_STD_BTSC;
1309 priv->video_standard = XC4000_MN_NTSC_PAL_BTSC;
1310 }
1311 goto tune_channel;
1312 }
1313
1314 if (params->std & V4L2_STD_PAL_BG) {
1315 params->std = V4L2_STD_PAL_BG;
1316 if (audio_std & XC4000_AUDIO_STD_MONO) {
1317 priv->video_standard = XC4000_BG_PAL_MONO;
1318 } else if (!(audio_std & XC4000_AUDIO_STD_A2)) {
1319 if (!(audio_std & XC4000_AUDIO_STD_B)) {
1320 params->std |= V4L2_STD_NICAM_A;
1321 priv->video_standard = XC4000_BG_PAL_NICAM;
1322 } else {
1323 params->std |= V4L2_STD_NICAM_B;
1324 priv->video_standard = XC4000_BG_PAL_NICAM;
1325 }
1326 } else {
1327 if (!(audio_std & XC4000_AUDIO_STD_B)) {
1328 params->std |= V4L2_STD_A2_A;
1329 priv->video_standard = XC4000_BG_PAL_A2;
1330 } else {
1331 params->std |= V4L2_STD_A2_B;
1332 priv->video_standard = XC4000_BG_PAL_A2;
1333 }
1334 }
1335 goto tune_channel;
1336 }
1337
1338 if (params->std & V4L2_STD_PAL_I) {
1339
1340 params->std = V4L2_STD_PAL_I | V4L2_STD_NICAM;
1341 if (audio_std & XC4000_AUDIO_STD_MONO)
1342 priv->video_standard = XC4000_I_PAL_NICAM_MONO;
1343 else
1344 priv->video_standard = XC4000_I_PAL_NICAM;
1345 goto tune_channel;
1346 }
1347
1348 if (params->std & V4L2_STD_PAL_DK) {
1349 params->std = V4L2_STD_PAL_DK;
1350 if (audio_std & XC4000_AUDIO_STD_MONO) {
1351 priv->video_standard = XC4000_DK_PAL_MONO;
1352 } else if (audio_std & XC4000_AUDIO_STD_A2) {
1353 params->std |= V4L2_STD_A2;
1354 priv->video_standard = XC4000_DK_PAL_A2;
1355 } else {
1356 params->std |= V4L2_STD_NICAM;
1357 priv->video_standard = XC4000_DK_PAL_NICAM;
1358 }
1359 goto tune_channel;
1360 }
1361
1362 if (params->std & V4L2_STD_SECAM_DK) {
1363
1364 params->std = V4L2_STD_SECAM_DK | V4L2_STD_A2;
1365 if (audio_std & XC4000_AUDIO_STD_L) {
1366 type = 0;
1367 priv->video_standard = XC4000_DK_SECAM_NICAM;
1368 } else if (audio_std & XC4000_AUDIO_STD_MONO) {
1369 priv->video_standard = XC4000_DK_SECAM_A2MONO;
1370 } else if (audio_std & XC4000_AUDIO_STD_K3) {
1371 params->std |= V4L2_STD_SECAM_K3;
1372 priv->video_standard = XC4000_DK_SECAM_A2LDK3;
1373 } else {
1374 priv->video_standard = XC4000_DK_SECAM_A2DK1;
1375 }
1376 goto tune_channel;
1377 }
1378
1379 if (params->std & V4L2_STD_SECAM_L) {
1380
1381 type = 0;
1382 params->std = V4L2_STD_SECAM_L | V4L2_STD_NICAM;
1383 priv->video_standard = XC4000_L_SECAM_NICAM;
1384 goto tune_channel;
1385 }
1386
1387 if (params->std & V4L2_STD_SECAM_LC) {
1388
1389 type = 0;
1390 params->std = V4L2_STD_SECAM_LC | V4L2_STD_NICAM;
1391 priv->video_standard = XC4000_LC_SECAM_NICAM;
1392 goto tune_channel;
1393 }
1394
1395tune_channel:
1396
1397 priv->rf_mode = XC_RF_MODE_CABLE;
1398
1399 if (check_firmware(fe, type, params->std,
1400 xc4000_standard[priv->video_standard].int_freq) != 0)
1401 goto fail;
1402
1403 ret = xc_set_signal_source(priv, priv->rf_mode);
1404 if (ret != 0) {
1405 printk(KERN_ERR
1406 "xc4000: xc_set_signal_source(%d) failed\n",
1407 priv->rf_mode);
1408 goto fail;
1409 } else {
1410 u16 video_mode, audio_mode;
1411 video_mode = xc4000_standard[priv->video_standard].video_mode;
1412 audio_mode = xc4000_standard[priv->video_standard].audio_mode;
1413 if (priv->video_standard < XC4000_BG_PAL_A2) {
1414 if (type & NOGD)
1415 video_mode &= 0xFF7F;
1416 } else if (priv->video_standard < XC4000_I_PAL_NICAM) {
1417 if (priv->firm_version == 0x0102)
1418 video_mode &= 0xFEFF;
1419 if (audio_std & XC4000_AUDIO_STD_B)
1420 video_mode |= 0x0080;
1421 }
1422 ret = xc_set_tv_standard(priv, video_mode, audio_mode);
1423 if (ret != 0) {
1424 printk(KERN_ERR "xc4000: xc_set_tv_standard failed\n");
1425 goto fail;
1426 }
1427 }
1428
1429 if (xc_write_reg(priv, XREG_D_CODE, 0) == 0)
1430 ret = 0;
1431 if (xc_write_reg(priv, XREG_AMPLITUDE, 1) != 0)
1432 ret = -EREMOTEIO;
1433 if (priv->set_smoothedcvbs != 0) {
1434 if (xc_write_reg(priv, XREG_SMOOTHEDCVBS, 1) != 0)
1435 ret = -EREMOTEIO;
1436 }
1437 if (ret != 0) {
1438 printk(KERN_ERR "xc4000: setting registers failed\n");
1439 goto fail;
1440 }
1441
1442 xc_tune_channel(priv, priv->freq_hz);
1443
1444 ret = 0;
1445
1446fail:
1447 mutex_unlock(&priv->lock);
1448
1449 return ret;
1450}
1451
1452static int xc4000_get_signal(struct dvb_frontend *fe, u16 *strength)
1453{
1454 struct xc4000_priv *priv = fe->tuner_priv;
1455 u16 value = 0;
1456 int rc;
1457
1458 mutex_lock(&priv->lock);
1459 rc = xc4000_readreg(priv, XREG_SIGNAL_LEVEL, &value);
1460 mutex_unlock(&priv->lock);
1461
1462 if (rc < 0)
1463 goto ret;
1464
1465
1466
1467
1468 tuner_dbg("Signal strength: -%ddB (%05d)\n", value >> 8, value);
1469
1470
1471 if ((priv->video_standard == XC4000_DTV6) ||
1472 (priv->video_standard == XC4000_DTV7) ||
1473 (priv->video_standard == XC4000_DTV7_8) ||
1474 (priv->video_standard == XC4000_DTV8))
1475 goto digital;
1476
1477
1478
1479
1480
1481
1482 mutex_lock(&priv->lock);
1483 rc = xc4000_readreg(priv, XREG_NOISE_LEVEL, &value);
1484 mutex_unlock(&priv->lock);
1485
1486 tuner_dbg("Noise level: %ddB (%05d)\n", value >> 8, value);
1487
1488
1489 if (value >= 0x2000) {
1490 value = 0;
1491 } else {
1492 value = (~value << 3) & 0xffff;
1493 }
1494
1495 goto ret;
1496
1497
1498
1499
1500digital:
1501
1502 if (value <= 0x3200) {
1503 value = 0xffff;
1504
1505 } else if (value >= 0x713A) {
1506 value = 0;
1507 } else {
1508 value = ~(value - 0x3200) << 2;
1509 }
1510
1511ret:
1512 *strength = value;
1513
1514 return rc;
1515}
1516
1517static int xc4000_get_frequency(struct dvb_frontend *fe, u32 *freq)
1518{
1519 struct xc4000_priv *priv = fe->tuner_priv;
1520
1521 *freq = priv->freq_hz + priv->freq_offset;
1522
1523 if (debug) {
1524 mutex_lock(&priv->lock);
1525 if ((priv->cur_fw.type
1526 & (BASE | FM | DTV6 | DTV7 | DTV78 | DTV8)) == BASE) {
1527 u16 snr = 0;
1528 if (xc4000_readreg(priv, XREG_SNR, &snr) == 0) {
1529 mutex_unlock(&priv->lock);
1530 dprintk(1, "%s() freq = %u, SNR = %d\n",
1531 __func__, *freq, snr);
1532 return 0;
1533 }
1534 }
1535 mutex_unlock(&priv->lock);
1536 }
1537
1538 dprintk(1, "%s()\n", __func__);
1539
1540 return 0;
1541}
1542
1543static int xc4000_get_bandwidth(struct dvb_frontend *fe, u32 *bw)
1544{
1545 struct xc4000_priv *priv = fe->tuner_priv;
1546 dprintk(1, "%s()\n", __func__);
1547
1548 *bw = priv->bandwidth;
1549 return 0;
1550}
1551
1552static int xc4000_get_status(struct dvb_frontend *fe, u32 *status)
1553{
1554 struct xc4000_priv *priv = fe->tuner_priv;
1555 u16 lock_status = 0;
1556
1557 mutex_lock(&priv->lock);
1558
1559 if (priv->cur_fw.type & BASE)
1560 xc_get_lock_status(priv, &lock_status);
1561
1562 *status = (lock_status == 1 ?
1563 TUNER_STATUS_LOCKED | TUNER_STATUS_STEREO : 0);
1564 if (priv->cur_fw.type & (DTV6 | DTV7 | DTV78 | DTV8))
1565 *status &= (~TUNER_STATUS_STEREO);
1566
1567 mutex_unlock(&priv->lock);
1568
1569 dprintk(2, "%s() lock_status = %d\n", __func__, lock_status);
1570
1571 return 0;
1572}
1573
1574static int xc4000_sleep(struct dvb_frontend *fe)
1575{
1576 struct xc4000_priv *priv = fe->tuner_priv;
1577 int ret = 0;
1578
1579 dprintk(1, "%s()\n", __func__);
1580
1581 mutex_lock(&priv->lock);
1582
1583
1584 if ((no_poweroff == 2 ||
1585 (no_poweroff == 0 && priv->default_pm != 0)) &&
1586 (priv->cur_fw.type & BASE) != 0) {
1587
1588 priv->cur_fw.type = XC_POWERED_DOWN;
1589
1590 if (xc_write_reg(priv, XREG_POWER_DOWN, 0) != 0) {
1591 printk(KERN_ERR
1592 "xc4000: %s() unable to shutdown tuner\n",
1593 __func__);
1594 ret = -EREMOTEIO;
1595 }
1596 msleep(20);
1597 }
1598
1599 mutex_unlock(&priv->lock);
1600
1601 return ret;
1602}
1603
1604static int xc4000_init(struct dvb_frontend *fe)
1605{
1606 dprintk(1, "%s()\n", __func__);
1607
1608 return 0;
1609}
1610
1611static void xc4000_release(struct dvb_frontend *fe)
1612{
1613 struct xc4000_priv *priv = fe->tuner_priv;
1614
1615 dprintk(1, "%s()\n", __func__);
1616
1617 mutex_lock(&xc4000_list_mutex);
1618
1619 if (priv)
1620 hybrid_tuner_release_state(priv);
1621
1622 mutex_unlock(&xc4000_list_mutex);
1623
1624 fe->tuner_priv = NULL;
1625}
1626
1627static const struct dvb_tuner_ops xc4000_tuner_ops = {
1628 .info = {
1629 .name = "Xceive XC4000",
1630 .frequency_min_hz = 1 * MHz,
1631 .frequency_max_hz = 1023 * MHz,
1632 .frequency_step_hz = 50 * kHz,
1633 },
1634
1635 .release = xc4000_release,
1636 .init = xc4000_init,
1637 .sleep = xc4000_sleep,
1638
1639 .set_params = xc4000_set_params,
1640 .set_analog_params = xc4000_set_analog_params,
1641 .get_frequency = xc4000_get_frequency,
1642 .get_rf_strength = xc4000_get_signal,
1643 .get_bandwidth = xc4000_get_bandwidth,
1644 .get_status = xc4000_get_status
1645};
1646
1647struct dvb_frontend *xc4000_attach(struct dvb_frontend *fe,
1648 struct i2c_adapter *i2c,
1649 struct xc4000_config *cfg)
1650{
1651 struct xc4000_priv *priv = NULL;
1652 int instance;
1653 u16 id = 0;
1654
1655 dprintk(1, "%s(%d-%04x)\n", __func__,
1656 i2c ? i2c_adapter_id(i2c) : -1,
1657 cfg ? cfg->i2c_address : -1);
1658
1659 mutex_lock(&xc4000_list_mutex);
1660
1661 instance = hybrid_tuner_request_state(struct xc4000_priv, priv,
1662 hybrid_tuner_instance_list,
1663 i2c, cfg->i2c_address, "xc4000");
1664 switch (instance) {
1665 case 0:
1666 goto fail;
1667 case 1:
1668
1669 priv->bandwidth = 6000000;
1670
1671 priv->if_khz = 4560;
1672 priv->default_pm = 0;
1673 priv->dvb_amplitude = 134;
1674 priv->set_smoothedcvbs = 1;
1675 mutex_init(&priv->lock);
1676 fe->tuner_priv = priv;
1677 break;
1678 default:
1679
1680 fe->tuner_priv = priv;
1681 break;
1682 }
1683
1684 if (cfg->if_khz != 0) {
1685
1686 priv->if_khz = cfg->if_khz;
1687 priv->default_pm = cfg->default_pm;
1688 priv->dvb_amplitude = cfg->dvb_amplitude;
1689 priv->set_smoothedcvbs = cfg->set_smoothedcvbs;
1690 }
1691
1692
1693
1694
1695
1696 if (instance == 1) {
1697 if (xc4000_readreg(priv, XREG_PRODUCT_ID, &id) != 0)
1698 goto fail;
1699 } else {
1700 id = ((priv->cur_fw.type & BASE) != 0 ?
1701 priv->hwmodel : XC_PRODUCT_ID_FW_NOT_LOADED);
1702 }
1703
1704 switch (id) {
1705 case XC_PRODUCT_ID_XC4000:
1706 case XC_PRODUCT_ID_XC4100:
1707 printk(KERN_INFO
1708 "xc4000: Successfully identified at address 0x%02x\n",
1709 cfg->i2c_address);
1710 printk(KERN_INFO
1711 "xc4000: Firmware has been loaded previously\n");
1712 break;
1713 case XC_PRODUCT_ID_FW_NOT_LOADED:
1714 printk(KERN_INFO
1715 "xc4000: Successfully identified at address 0x%02x\n",
1716 cfg->i2c_address);
1717 printk(KERN_INFO
1718 "xc4000: Firmware has not been loaded previously\n");
1719 break;
1720 default:
1721 printk(KERN_ERR
1722 "xc4000: Device not found at addr 0x%02x (0x%x)\n",
1723 cfg->i2c_address, id);
1724 goto fail;
1725 }
1726
1727 mutex_unlock(&xc4000_list_mutex);
1728
1729 memcpy(&fe->ops.tuner_ops, &xc4000_tuner_ops,
1730 sizeof(struct dvb_tuner_ops));
1731
1732 if (instance == 1) {
1733 int ret;
1734 mutex_lock(&priv->lock);
1735 ret = xc4000_fwupload(fe);
1736 mutex_unlock(&priv->lock);
1737 if (ret != 0)
1738 goto fail2;
1739 }
1740
1741 return fe;
1742fail:
1743 mutex_unlock(&xc4000_list_mutex);
1744fail2:
1745 xc4000_release(fe);
1746 return NULL;
1747}
1748EXPORT_SYMBOL(xc4000_attach);
1749
1750MODULE_AUTHOR("Steven Toth, Davide Ferri");
1751MODULE_DESCRIPTION("Xceive xc4000 silicon tuner driver");
1752MODULE_LICENSE("GPL");
1753MODULE_FIRMWARE(XC4000_DEFAULT_FIRMWARE_NEW);
1754MODULE_FIRMWARE(XC4000_DEFAULT_FIRMWARE);
1755
