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24#include <linux/module.h>
25#include <linux/moduleparam.h>
26#include <linux/videodev2.h>
27#include <linux/delay.h>
28#include <linux/dvb/frontend.h>
29#include <linux/i2c.h>
30
31#include "dvb_frontend.h"
32
33#include "xc5000.h"
34#include "tuner-i2c.h"
35
36static int debug;
37module_param(debug, int, 0644);
38MODULE_PARM_DESC(debug, "Turn on/off debugging (default:off).");
39
40static int no_poweroff;
41module_param(no_poweroff, int, 0644);
42MODULE_PARM_DESC(no_poweroff, "0 (default) powers device off when not used.\n"
43 "\t\t1 keep device energized and with tuner ready all the times.\n"
44 "\t\tFaster, but consumes more power and keeps the device hotter");
45
46static DEFINE_MUTEX(xc5000_list_mutex);
47static LIST_HEAD(hybrid_tuner_instance_list);
48
49#define dprintk(level, fmt, arg...) if (debug >= level) \
50 printk(KERN_INFO "%s: " fmt, "xc5000", ## arg)
51
52struct xc5000_priv {
53 struct tuner_i2c_props i2c_props;
54 struct list_head hybrid_tuner_instance_list;
55
56 u32 if_khz;
57 u16 xtal_khz;
58 u32 freq_hz;
59 u32 bandwidth;
60 u8 video_standard;
61 u8 rf_mode;
62 u8 radio_input;
63
64 int chip_id;
65 u16 pll_register_no;
66 u8 init_status_supported;
67 u8 fw_checksum_supported;
68};
69
70
71#define MAX_TV_STANDARD 24
72#define XC_MAX_I2C_WRITE_LENGTH 64
73
74
75#define XC_RF_MODE_AIR 0
76#define XC_RF_MODE_CABLE 1
77
78
79#define XC_RESULT_SUCCESS 0
80#define XC_RESULT_RESET_FAILURE 1
81#define XC_RESULT_I2C_WRITE_FAILURE 2
82#define XC_RESULT_I2C_READ_FAILURE 3
83#define XC_RESULT_OUT_OF_RANGE 5
84
85
86#define XC_PRODUCT_ID_FW_NOT_LOADED 0x2000
87#define XC_PRODUCT_ID_FW_LOADED 0x1388
88
89
90#define XREG_INIT 0x00
91#define XREG_VIDEO_MODE 0x01
92#define XREG_AUDIO_MODE 0x02
93#define XREG_RF_FREQ 0x03
94#define XREG_D_CODE 0x04
95#define XREG_IF_OUT 0x05
96#define XREG_SEEK_MODE 0x07
97#define XREG_POWER_DOWN 0x0A
98
99#define XREG_OUTPUT_AMP 0x0B
100#define XREG_SIGNALSOURCE 0x0D
101#define XREG_SMOOTHEDCVBS 0x0E
102#define XREG_XTALFREQ 0x0F
103#define XREG_FINERFREQ 0x10
104#define XREG_DDIMODE 0x11
105
106#define XREG_ADC_ENV 0x00
107#define XREG_QUALITY 0x01
108#define XREG_FRAME_LINES 0x02
109#define XREG_HSYNC_FREQ 0x03
110#define XREG_LOCK 0x04
111#define XREG_FREQ_ERROR 0x05
112#define XREG_SNR 0x06
113#define XREG_VERSION 0x07
114#define XREG_PRODUCT_ID 0x08
115#define XREG_BUSY 0x09
116#define XREG_BUILD 0x0D
117#define XREG_TOTALGAIN 0x0F
118#define XREG_FW_CHECKSUM 0x12
119#define XREG_INIT_STATUS 0x13
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154struct XC_TV_STANDARD {
155 char *Name;
156 u16 AudioMode;
157 u16 VideoMode;
158};
159
160
161#define MN_NTSC_PAL_BTSC 0
162#define MN_NTSC_PAL_A2 1
163#define MN_NTSC_PAL_EIAJ 2
164#define MN_NTSC_PAL_Mono 3
165#define BG_PAL_A2 4
166#define BG_PAL_NICAM 5
167#define BG_PAL_MONO 6
168#define I_PAL_NICAM 7
169#define I_PAL_NICAM_MONO 8
170#define DK_PAL_A2 9
171#define DK_PAL_NICAM 10
172#define DK_PAL_MONO 11
173#define DK_SECAM_A2DK1 12
174#define DK_SECAM_A2LDK3 13
175#define DK_SECAM_A2MONO 14
176#define L_SECAM_NICAM 15
177#define LC_SECAM_NICAM 16
178#define DTV6 17
179#define DTV8 18
180#define DTV7_8 19
181#define DTV7 20
182#define FM_Radio_INPUT2 21
183#define FM_Radio_INPUT1 22
184#define FM_Radio_INPUT1_MONO 23
185
186static struct XC_TV_STANDARD XC5000_Standard[MAX_TV_STANDARD] = {
187 {"M/N-NTSC/PAL-BTSC", 0x0400, 0x8020},
188 {"M/N-NTSC/PAL-A2", 0x0600, 0x8020},
189 {"M/N-NTSC/PAL-EIAJ", 0x0440, 0x8020},
190 {"M/N-NTSC/PAL-Mono", 0x0478, 0x8020},
191 {"B/G-PAL-A2", 0x0A00, 0x8049},
192 {"B/G-PAL-NICAM", 0x0C04, 0x8049},
193 {"B/G-PAL-MONO", 0x0878, 0x8059},
194 {"I-PAL-NICAM", 0x1080, 0x8009},
195 {"I-PAL-NICAM-MONO", 0x0E78, 0x8009},
196 {"D/K-PAL-A2", 0x1600, 0x8009},
197 {"D/K-PAL-NICAM", 0x0E80, 0x8009},
198 {"D/K-PAL-MONO", 0x1478, 0x8009},
199 {"D/K-SECAM-A2 DK1", 0x1200, 0x8009},
200 {"D/K-SECAM-A2 L/DK3", 0x0E00, 0x8009},
201 {"D/K-SECAM-A2 MONO", 0x1478, 0x8009},
202 {"L-SECAM-NICAM", 0x8E82, 0x0009},
203 {"L'-SECAM-NICAM", 0x8E82, 0x4009},
204 {"DTV6", 0x00C0, 0x8002},
205 {"DTV8", 0x00C0, 0x800B},
206 {"DTV7/8", 0x00C0, 0x801B},
207 {"DTV7", 0x00C0, 0x8007},
208 {"FM Radio-INPUT2", 0x9802, 0x9002},
209 {"FM Radio-INPUT1", 0x0208, 0x9002},
210 {"FM Radio-INPUT1_MONO", 0x0278, 0x9002}
211};
212
213
214struct xc5000_fw_cfg {
215 char *name;
216 u16 size;
217 u16 pll_reg;
218 u8 init_status_supported;
219 u8 fw_checksum_supported;
220};
221
222#define XC5000A_FIRMWARE "dvb-fe-xc5000-1.6.114.fw"
223static const struct xc5000_fw_cfg xc5000a_1_6_114 = {
224 .name = XC5000A_FIRMWARE,
225 .size = 12401,
226 .pll_reg = 0x806c,
227};
228
229#define XC5000C_FIRMWARE "dvb-fe-xc5000c-4.1.30.7.fw"
230static const struct xc5000_fw_cfg xc5000c_41_024_5 = {
231 .name = XC5000C_FIRMWARE,
232 .size = 16497,
233 .pll_reg = 0x13,
234 .init_status_supported = 1,
235 .fw_checksum_supported = 1,
236};
237
238static inline const struct xc5000_fw_cfg *xc5000_assign_firmware(int chip_id)
239{
240 switch (chip_id) {
241 default:
242 case XC5000A:
243 return &xc5000a_1_6_114;
244 case XC5000C:
245 return &xc5000c_41_024_5;
246 }
247}
248
249static int xc_load_fw_and_init_tuner(struct dvb_frontend *fe, int force);
250static int xc5000_is_firmware_loaded(struct dvb_frontend *fe);
251static int xc5000_readreg(struct xc5000_priv *priv, u16 reg, u16 *val);
252static int xc5000_TunerReset(struct dvb_frontend *fe);
253
254static int xc_send_i2c_data(struct xc5000_priv *priv, u8 *buf, int len)
255{
256 struct i2c_msg msg = { .addr = priv->i2c_props.addr,
257 .flags = 0, .buf = buf, .len = len };
258
259 if (i2c_transfer(priv->i2c_props.adap, &msg, 1) != 1) {
260 printk(KERN_ERR "xc5000: I2C write failed (len=%i)\n", len);
261 return XC_RESULT_I2C_WRITE_FAILURE;
262 }
263 return XC_RESULT_SUCCESS;
264}
265
266#if 0
267
268
269
270static int xc_read_i2c_data(struct xc5000_priv *priv, u8 *buf, int len)
271{
272 struct i2c_msg msg = { .addr = priv->i2c_props.addr,
273 .flags = I2C_M_RD, .buf = buf, .len = len };
274
275 if (i2c_transfer(priv->i2c_props.adap, &msg, 1) != 1) {
276 printk(KERN_ERR "xc5000 I2C read failed (len=%i)\n", len);
277 return -EREMOTEIO;
278 }
279 return 0;
280}
281#endif
282
283static int xc5000_readreg(struct xc5000_priv *priv, u16 reg, u16 *val)
284{
285 u8 buf[2] = { reg >> 8, reg & 0xff };
286 u8 bval[2] = { 0, 0 };
287 struct i2c_msg msg[2] = {
288 { .addr = priv->i2c_props.addr,
289 .flags = 0, .buf = &buf[0], .len = 2 },
290 { .addr = priv->i2c_props.addr,
291 .flags = I2C_M_RD, .buf = &bval[0], .len = 2 },
292 };
293
294 if (i2c_transfer(priv->i2c_props.adap, msg, 2) != 2) {
295 printk(KERN_WARNING "xc5000: I2C read failed\n");
296 return -EREMOTEIO;
297 }
298
299 *val = (bval[0] << 8) | bval[1];
300 return XC_RESULT_SUCCESS;
301}
302
303static void xc_wait(int wait_ms)
304{
305 msleep(wait_ms);
306}
307
308static int xc5000_TunerReset(struct dvb_frontend *fe)
309{
310 struct xc5000_priv *priv = fe->tuner_priv;
311 int ret;
312
313 dprintk(1, "%s()\n", __func__);
314
315 if (fe->callback) {
316 ret = fe->callback(((fe->dvb) && (fe->dvb->priv)) ?
317 fe->dvb->priv :
318 priv->i2c_props.adap->algo_data,
319 DVB_FRONTEND_COMPONENT_TUNER,
320 XC5000_TUNER_RESET, 0);
321 if (ret) {
322 printk(KERN_ERR "xc5000: reset failed\n");
323 return XC_RESULT_RESET_FAILURE;
324 }
325 } else {
326 printk(KERN_ERR "xc5000: no tuner reset callback function, fatal\n");
327 return XC_RESULT_RESET_FAILURE;
328 }
329 return XC_RESULT_SUCCESS;
330}
331
332static int xc_write_reg(struct xc5000_priv *priv, u16 regAddr, u16 i2cData)
333{
334 u8 buf[4];
335 int WatchDogTimer = 100;
336 int result;
337
338 buf[0] = (regAddr >> 8) & 0xFF;
339 buf[1] = regAddr & 0xFF;
340 buf[2] = (i2cData >> 8) & 0xFF;
341 buf[3] = i2cData & 0xFF;
342 result = xc_send_i2c_data(priv, buf, 4);
343 if (result == XC_RESULT_SUCCESS) {
344
345 while ((WatchDogTimer > 0) && (result == XC_RESULT_SUCCESS)) {
346 result = xc5000_readreg(priv, XREG_BUSY, (u16 *)buf);
347 if (result == XC_RESULT_SUCCESS) {
348 if ((buf[0] == 0) && (buf[1] == 0)) {
349
350 break;
351 } else {
352 xc_wait(5);
353 WatchDogTimer--;
354 }
355 }
356 }
357 }
358 if (WatchDogTimer <= 0)
359 result = XC_RESULT_I2C_WRITE_FAILURE;
360
361 return result;
362}
363
364static int xc_load_i2c_sequence(struct dvb_frontend *fe, const u8 *i2c_sequence)
365{
366 struct xc5000_priv *priv = fe->tuner_priv;
367
368 int i, nbytes_to_send, result;
369 unsigned int len, pos, index;
370 u8 buf[XC_MAX_I2C_WRITE_LENGTH];
371
372 index = 0;
373 while ((i2c_sequence[index] != 0xFF) ||
374 (i2c_sequence[index + 1] != 0xFF)) {
375 len = i2c_sequence[index] * 256 + i2c_sequence[index+1];
376 if (len == 0x0000) {
377
378 result = xc5000_TunerReset(fe);
379 index += 2;
380 if (result != XC_RESULT_SUCCESS)
381 return result;
382 } else if (len & 0x8000) {
383
384 xc_wait(len & 0x7FFF);
385 index += 2;
386 } else {
387
388
389
390 index += 2;
391 buf[0] = i2c_sequence[index];
392 buf[1] = i2c_sequence[index + 1];
393 pos = 2;
394 while (pos < len) {
395 if ((len - pos) > XC_MAX_I2C_WRITE_LENGTH - 2)
396 nbytes_to_send =
397 XC_MAX_I2C_WRITE_LENGTH;
398 else
399 nbytes_to_send = (len - pos + 2);
400 for (i = 2; i < nbytes_to_send; i++) {
401 buf[i] = i2c_sequence[index + pos +
402 i - 2];
403 }
404 result = xc_send_i2c_data(priv, buf,
405 nbytes_to_send);
406
407 if (result != XC_RESULT_SUCCESS)
408 return result;
409
410 pos += nbytes_to_send - 2;
411 }
412 index += len;
413 }
414 }
415 return XC_RESULT_SUCCESS;
416}
417
418static int xc_initialize(struct xc5000_priv *priv)
419{
420 dprintk(1, "%s()\n", __func__);
421 return xc_write_reg(priv, XREG_INIT, 0);
422}
423
424static int xc_SetTVStandard(struct xc5000_priv *priv,
425 u16 VideoMode, u16 AudioMode, u8 RadioMode)
426{
427 int ret;
428 dprintk(1, "%s(0x%04x,0x%04x)\n", __func__, VideoMode, AudioMode);
429 if (RadioMode) {
430 dprintk(1, "%s() Standard = %s\n",
431 __func__,
432 XC5000_Standard[RadioMode].Name);
433 } else {
434 dprintk(1, "%s() Standard = %s\n",
435 __func__,
436 XC5000_Standard[priv->video_standard].Name);
437 }
438
439 ret = xc_write_reg(priv, XREG_VIDEO_MODE, VideoMode);
440 if (ret == XC_RESULT_SUCCESS)
441 ret = xc_write_reg(priv, XREG_AUDIO_MODE, AudioMode);
442
443 return ret;
444}
445
446static int xc_SetSignalSource(struct xc5000_priv *priv, u16 rf_mode)
447{
448 dprintk(1, "%s(%d) Source = %s\n", __func__, rf_mode,
449 rf_mode == XC_RF_MODE_AIR ? "ANTENNA" : "CABLE");
450
451 if ((rf_mode != XC_RF_MODE_AIR) && (rf_mode != XC_RF_MODE_CABLE)) {
452 rf_mode = XC_RF_MODE_CABLE;
453 printk(KERN_ERR
454 "%s(), Invalid mode, defaulting to CABLE",
455 __func__);
456 }
457 return xc_write_reg(priv, XREG_SIGNALSOURCE, rf_mode);
458}
459
460static const struct dvb_tuner_ops xc5000_tuner_ops;
461
462static int xc_set_RF_frequency(struct xc5000_priv *priv, u32 freq_hz)
463{
464 u16 freq_code;
465
466 dprintk(1, "%s(%u)\n", __func__, freq_hz);
467
468 if ((freq_hz > xc5000_tuner_ops.info.frequency_max) ||
469 (freq_hz < xc5000_tuner_ops.info.frequency_min))
470 return XC_RESULT_OUT_OF_RANGE;
471
472 freq_code = (u16)(freq_hz / 15625);
473
474
475
476
477 return xc_write_reg(priv, XREG_FINERFREQ, freq_code);
478}
479
480
481static int xc_set_IF_frequency(struct xc5000_priv *priv, u32 freq_khz)
482{
483 u32 freq_code = (freq_khz * 1024)/1000;
484 dprintk(1, "%s(freq_khz = %d) freq_code = 0x%x\n",
485 __func__, freq_khz, freq_code);
486
487 return xc_write_reg(priv, XREG_IF_OUT, freq_code);
488}
489
490
491static int xc_get_ADC_Envelope(struct xc5000_priv *priv, u16 *adc_envelope)
492{
493 return xc5000_readreg(priv, XREG_ADC_ENV, adc_envelope);
494}
495
496static int xc_get_frequency_error(struct xc5000_priv *priv, u32 *freq_error_hz)
497{
498 int result;
499 u16 regData;
500 u32 tmp;
501
502 result = xc5000_readreg(priv, XREG_FREQ_ERROR, ®Data);
503 if (result != XC_RESULT_SUCCESS)
504 return result;
505
506 tmp = (u32)regData;
507 (*freq_error_hz) = (tmp * 15625) / 1000;
508 return result;
509}
510
511static int xc_get_lock_status(struct xc5000_priv *priv, u16 *lock_status)
512{
513 return xc5000_readreg(priv, XREG_LOCK, lock_status);
514}
515
516static int xc_get_version(struct xc5000_priv *priv,
517 u8 *hw_majorversion, u8 *hw_minorversion,
518 u8 *fw_majorversion, u8 *fw_minorversion)
519{
520 u16 data;
521 int result;
522
523 result = xc5000_readreg(priv, XREG_VERSION, &data);
524 if (result != XC_RESULT_SUCCESS)
525 return result;
526
527 (*hw_majorversion) = (data >> 12) & 0x0F;
528 (*hw_minorversion) = (data >> 8) & 0x0F;
529 (*fw_majorversion) = (data >> 4) & 0x0F;
530 (*fw_minorversion) = data & 0x0F;
531
532 return 0;
533}
534
535static int xc_get_buildversion(struct xc5000_priv *priv, u16 *buildrev)
536{
537 return xc5000_readreg(priv, XREG_BUILD, buildrev);
538}
539
540static int xc_get_hsync_freq(struct xc5000_priv *priv, u32 *hsync_freq_hz)
541{
542 u16 regData;
543 int result;
544
545 result = xc5000_readreg(priv, XREG_HSYNC_FREQ, ®Data);
546 if (result != XC_RESULT_SUCCESS)
547 return result;
548
549 (*hsync_freq_hz) = ((regData & 0x0fff) * 763)/100;
550 return result;
551}
552
553static int xc_get_frame_lines(struct xc5000_priv *priv, u16 *frame_lines)
554{
555 return xc5000_readreg(priv, XREG_FRAME_LINES, frame_lines);
556}
557
558static int xc_get_quality(struct xc5000_priv *priv, u16 *quality)
559{
560 return xc5000_readreg(priv, XREG_QUALITY, quality);
561}
562
563static int xc_get_analogsnr(struct xc5000_priv *priv, u16 *snr)
564{
565 return xc5000_readreg(priv, XREG_SNR, snr);
566}
567
568static int xc_get_totalgain(struct xc5000_priv *priv, u16 *totalgain)
569{
570 return xc5000_readreg(priv, XREG_TOTALGAIN, totalgain);
571}
572
573static u16 WaitForLock(struct xc5000_priv *priv)
574{
575 u16 lockState = 0;
576 int watchDogCount = 40;
577
578 while ((lockState == 0) && (watchDogCount > 0)) {
579 xc_get_lock_status(priv, &lockState);
580 if (lockState != 1) {
581 xc_wait(5);
582 watchDogCount--;
583 }
584 }
585 return lockState;
586}
587
588#define XC_TUNE_ANALOG 0
589#define XC_TUNE_DIGITAL 1
590static int xc_tune_channel(struct xc5000_priv *priv, u32 freq_hz, int mode)
591{
592 int found = 0;
593
594 dprintk(1, "%s(%u)\n", __func__, freq_hz);
595
596 if (xc_set_RF_frequency(priv, freq_hz) != XC_RESULT_SUCCESS)
597 return 0;
598
599 if (mode == XC_TUNE_ANALOG) {
600 if (WaitForLock(priv) == 1)
601 found = 1;
602 }
603
604 return found;
605}
606
607static int xc_set_xtal(struct dvb_frontend *fe)
608{
609 struct xc5000_priv *priv = fe->tuner_priv;
610 int ret = XC_RESULT_SUCCESS;
611
612 switch (priv->chip_id) {
613 default:
614 case XC5000A:
615
616 break;
617 case XC5000C:
618 switch (priv->xtal_khz) {
619 default:
620 case 32000:
621
622 break;
623 case 31875:
624
625 ret = xc_write_reg(priv, 0x000f, 0x8081);
626 break;
627 }
628 break;
629 }
630 return ret;
631}
632
633static int xc5000_fwupload(struct dvb_frontend *fe)
634{
635 struct xc5000_priv *priv = fe->tuner_priv;
636 const struct firmware *fw;
637 int ret;
638 const struct xc5000_fw_cfg *desired_fw =
639 xc5000_assign_firmware(priv->chip_id);
640 priv->pll_register_no = desired_fw->pll_reg;
641 priv->init_status_supported = desired_fw->init_status_supported;
642 priv->fw_checksum_supported = desired_fw->fw_checksum_supported;
643
644
645 printk(KERN_INFO "xc5000: waiting for firmware upload (%s)...\n",
646 desired_fw->name);
647
648 ret = request_firmware(&fw, desired_fw->name,
649 priv->i2c_props.adap->dev.parent);
650 if (ret) {
651 printk(KERN_ERR "xc5000: Upload failed. (file not found?)\n");
652 ret = XC_RESULT_RESET_FAILURE;
653 goto out;
654 } else {
655 printk(KERN_DEBUG "xc5000: firmware read %Zu bytes.\n",
656 fw->size);
657 ret = XC_RESULT_SUCCESS;
658 }
659
660 if (fw->size != desired_fw->size) {
661 printk(KERN_ERR "xc5000: firmware incorrect size\n");
662 ret = XC_RESULT_RESET_FAILURE;
663 } else {
664 printk(KERN_INFO "xc5000: firmware uploading...\n");
665 ret = xc_load_i2c_sequence(fe, fw->data);
666 if (XC_RESULT_SUCCESS == ret)
667 ret = xc_set_xtal(fe);
668 if (XC_RESULT_SUCCESS == ret)
669 printk(KERN_INFO "xc5000: firmware upload complete...\n");
670 else
671 printk(KERN_ERR "xc5000: firmware upload failed...\n");
672 }
673
674out:
675 release_firmware(fw);
676 return ret;
677}
678
679static void xc_debug_dump(struct xc5000_priv *priv)
680{
681 u16 adc_envelope;
682 u32 freq_error_hz = 0;
683 u16 lock_status;
684 u32 hsync_freq_hz = 0;
685 u16 frame_lines;
686 u16 quality;
687 u16 snr;
688 u16 totalgain;
689 u8 hw_majorversion = 0, hw_minorversion = 0;
690 u8 fw_majorversion = 0, fw_minorversion = 0;
691 u16 fw_buildversion = 0;
692 u16 regval;
693
694
695
696
697
698 xc_wait(100);
699
700 xc_get_ADC_Envelope(priv, &adc_envelope);
701 dprintk(1, "*** ADC envelope (0-1023) = %d\n", adc_envelope);
702
703 xc_get_frequency_error(priv, &freq_error_hz);
704 dprintk(1, "*** Frequency error = %d Hz\n", freq_error_hz);
705
706 xc_get_lock_status(priv, &lock_status);
707 dprintk(1, "*** Lock status (0-Wait, 1-Locked, 2-No-signal) = %d\n",
708 lock_status);
709
710 xc_get_version(priv, &hw_majorversion, &hw_minorversion,
711 &fw_majorversion, &fw_minorversion);
712 xc_get_buildversion(priv, &fw_buildversion);
713 dprintk(1, "*** HW: V%d.%d, FW: V %d.%d.%d\n",
714 hw_majorversion, hw_minorversion,
715 fw_majorversion, fw_minorversion, fw_buildversion);
716
717 xc_get_hsync_freq(priv, &hsync_freq_hz);
718 dprintk(1, "*** Horizontal sync frequency = %d Hz\n", hsync_freq_hz);
719
720 xc_get_frame_lines(priv, &frame_lines);
721 dprintk(1, "*** Frame lines = %d\n", frame_lines);
722
723 xc_get_quality(priv, &quality);
724 dprintk(1, "*** Quality (0:<8dB, 7:>56dB) = %d\n", quality & 0x07);
725
726 xc_get_analogsnr(priv, &snr);
727 dprintk(1, "*** Unweighted analog SNR = %d dB\n", snr & 0x3f);
728
729 xc_get_totalgain(priv, &totalgain);
730 dprintk(1, "*** Total gain = %d.%d dB\n", totalgain / 256,
731 (totalgain % 256) * 100 / 256);
732
733 if (priv->pll_register_no) {
734 xc5000_readreg(priv, priv->pll_register_no, ®val);
735 dprintk(1, "*** PLL lock status = 0x%04x\n", regval);
736 }
737}
738
739static int xc5000_set_params(struct dvb_frontend *fe)
740{
741 int ret, b;
742 struct xc5000_priv *priv = fe->tuner_priv;
743 u32 bw = fe->dtv_property_cache.bandwidth_hz;
744 u32 freq = fe->dtv_property_cache.frequency;
745 u32 delsys = fe->dtv_property_cache.delivery_system;
746
747 if (xc_load_fw_and_init_tuner(fe, 0) != XC_RESULT_SUCCESS) {
748 dprintk(1, "Unable to load firmware and init tuner\n");
749 return -EINVAL;
750 }
751
752 dprintk(1, "%s() frequency=%d (Hz)\n", __func__, freq);
753
754 switch (delsys) {
755 case SYS_ATSC:
756 dprintk(1, "%s() VSB modulation\n", __func__);
757 priv->rf_mode = XC_RF_MODE_AIR;
758 priv->freq_hz = freq - 1750000;
759 priv->video_standard = DTV6;
760 break;
761 case SYS_DVBC_ANNEX_B:
762 dprintk(1, "%s() QAM modulation\n", __func__);
763 priv->rf_mode = XC_RF_MODE_CABLE;
764 priv->freq_hz = freq - 1750000;
765 priv->video_standard = DTV6;
766 break;
767 case SYS_ISDBT:
768
769 if (!bw)
770 bw = 6000000;
771
772 case SYS_DMBTH:
773 case SYS_DVBT:
774 case SYS_DVBT2:
775 dprintk(1, "%s() OFDM\n", __func__);
776 switch (bw) {
777 case 6000000:
778 priv->video_standard = DTV6;
779 priv->freq_hz = freq - 1750000;
780 break;
781 case 7000000:
782 priv->video_standard = DTV7;
783 priv->freq_hz = freq - 2250000;
784 break;
785 case 8000000:
786 priv->video_standard = DTV8;
787 priv->freq_hz = freq - 2750000;
788 break;
789 default:
790 printk(KERN_ERR "xc5000 bandwidth not set!\n");
791 return -EINVAL;
792 }
793 priv->rf_mode = XC_RF_MODE_AIR;
794 break;
795 case SYS_DVBC_ANNEX_A:
796 case SYS_DVBC_ANNEX_C:
797 dprintk(1, "%s() QAM modulation\n", __func__);
798 priv->rf_mode = XC_RF_MODE_CABLE;
799 if (bw <= 6000000) {
800 priv->video_standard = DTV6;
801 priv->freq_hz = freq - 1750000;
802 b = 6;
803 } else if (bw <= 7000000) {
804 priv->video_standard = DTV7;
805 priv->freq_hz = freq - 2250000;
806 b = 7;
807 } else {
808 priv->video_standard = DTV7_8;
809 priv->freq_hz = freq - 2750000;
810 b = 8;
811 }
812 dprintk(1, "%s() Bandwidth %dMHz (%d)\n", __func__,
813 b, bw);
814 break;
815 default:
816 printk(KERN_ERR "xc5000: delivery system is not supported!\n");
817 return -EINVAL;
818 }
819
820 dprintk(1, "%s() frequency=%d (compensated to %d)\n",
821 __func__, freq, priv->freq_hz);
822
823 ret = xc_SetSignalSource(priv, priv->rf_mode);
824 if (ret != XC_RESULT_SUCCESS) {
825 printk(KERN_ERR
826 "xc5000: xc_SetSignalSource(%d) failed\n",
827 priv->rf_mode);
828 return -EREMOTEIO;
829 }
830
831 ret = xc_SetTVStandard(priv,
832 XC5000_Standard[priv->video_standard].VideoMode,
833 XC5000_Standard[priv->video_standard].AudioMode, 0);
834 if (ret != XC_RESULT_SUCCESS) {
835 printk(KERN_ERR "xc5000: xc_SetTVStandard failed\n");
836 return -EREMOTEIO;
837 }
838
839 ret = xc_set_IF_frequency(priv, priv->if_khz);
840 if (ret != XC_RESULT_SUCCESS) {
841 printk(KERN_ERR "xc5000: xc_Set_IF_frequency(%d) failed\n",
842 priv->if_khz);
843 return -EIO;
844 }
845
846 xc_write_reg(priv, XREG_OUTPUT_AMP, 0x8a);
847
848 xc_tune_channel(priv, priv->freq_hz, XC_TUNE_DIGITAL);
849
850 if (debug)
851 xc_debug_dump(priv);
852
853 priv->bandwidth = bw;
854
855 return 0;
856}
857
858static int xc5000_is_firmware_loaded(struct dvb_frontend *fe)
859{
860 struct xc5000_priv *priv = fe->tuner_priv;
861 int ret;
862 u16 id;
863
864 ret = xc5000_readreg(priv, XREG_PRODUCT_ID, &id);
865 if (ret == XC_RESULT_SUCCESS) {
866 if (id == XC_PRODUCT_ID_FW_NOT_LOADED)
867 ret = XC_RESULT_RESET_FAILURE;
868 else
869 ret = XC_RESULT_SUCCESS;
870 }
871
872 dprintk(1, "%s() returns %s id = 0x%x\n", __func__,
873 ret == XC_RESULT_SUCCESS ? "True" : "False", id);
874 return ret;
875}
876
877static int xc5000_set_tv_freq(struct dvb_frontend *fe,
878 struct analog_parameters *params)
879{
880 struct xc5000_priv *priv = fe->tuner_priv;
881 u16 pll_lock_status;
882 int ret;
883
884 dprintk(1, "%s() frequency=%d (in units of 62.5khz)\n",
885 __func__, params->frequency);
886
887
888 priv->rf_mode = params->mode;
889 if (params->mode > XC_RF_MODE_CABLE)
890 priv->rf_mode = XC_RF_MODE_CABLE;
891
892
893 priv->freq_hz = params->frequency * 62500;
894
895
896
897
898 if (params->std & V4L2_STD_MN) {
899
900 priv->video_standard = MN_NTSC_PAL_BTSC;
901 goto tune_channel;
902 }
903
904 if (params->std & V4L2_STD_PAL_BG) {
905
906 priv->video_standard = BG_PAL_NICAM;
907 goto tune_channel;
908 }
909
910 if (params->std & V4L2_STD_PAL_I) {
911
912 priv->video_standard = I_PAL_NICAM;
913 goto tune_channel;
914 }
915
916 if (params->std & V4L2_STD_PAL_DK) {
917
918 priv->video_standard = DK_PAL_NICAM;
919 goto tune_channel;
920 }
921
922 if (params->std & V4L2_STD_SECAM_DK) {
923
924 priv->video_standard = DK_SECAM_A2DK1;
925 goto tune_channel;
926 }
927
928 if (params->std & V4L2_STD_SECAM_L) {
929 priv->video_standard = L_SECAM_NICAM;
930 goto tune_channel;
931 }
932
933 if (params->std & V4L2_STD_SECAM_LC) {
934 priv->video_standard = LC_SECAM_NICAM;
935 goto tune_channel;
936 }
937
938tune_channel:
939 ret = xc_SetSignalSource(priv, priv->rf_mode);
940 if (ret != XC_RESULT_SUCCESS) {
941 printk(KERN_ERR
942 "xc5000: xc_SetSignalSource(%d) failed\n",
943 priv->rf_mode);
944 return -EREMOTEIO;
945 }
946
947 ret = xc_SetTVStandard(priv,
948 XC5000_Standard[priv->video_standard].VideoMode,
949 XC5000_Standard[priv->video_standard].AudioMode, 0);
950 if (ret != XC_RESULT_SUCCESS) {
951 printk(KERN_ERR "xc5000: xc_SetTVStandard failed\n");
952 return -EREMOTEIO;
953 }
954
955 xc_write_reg(priv, XREG_OUTPUT_AMP, 0x09);
956
957 xc_tune_channel(priv, priv->freq_hz, XC_TUNE_ANALOG);
958
959 if (debug)
960 xc_debug_dump(priv);
961
962 if (priv->pll_register_no != 0) {
963 msleep(20);
964 xc5000_readreg(priv, priv->pll_register_no, &pll_lock_status);
965 if (pll_lock_status > 63) {
966
967 dprintk(1, "xc5000: PLL not locked (0x%x). Reloading...\n",
968 pll_lock_status);
969 if (xc_load_fw_and_init_tuner(fe, 1) != XC_RESULT_SUCCESS) {
970 printk(KERN_ERR "xc5000: Unable to reload fw\n");
971 return -EREMOTEIO;
972 }
973 goto tune_channel;
974 }
975 }
976
977 return 0;
978}
979
980static int xc5000_set_radio_freq(struct dvb_frontend *fe,
981 struct analog_parameters *params)
982{
983 struct xc5000_priv *priv = fe->tuner_priv;
984 int ret = -EINVAL;
985 u8 radio_input;
986
987 dprintk(1, "%s() frequency=%d (in units of khz)\n",
988 __func__, params->frequency);
989
990 if (priv->radio_input == XC5000_RADIO_NOT_CONFIGURED) {
991 dprintk(1, "%s() radio input not configured\n", __func__);
992 return -EINVAL;
993 }
994
995 if (priv->radio_input == XC5000_RADIO_FM1)
996 radio_input = FM_Radio_INPUT1;
997 else if (priv->radio_input == XC5000_RADIO_FM2)
998 radio_input = FM_Radio_INPUT2;
999 else if (priv->radio_input == XC5000_RADIO_FM1_MONO)
1000 radio_input = FM_Radio_INPUT1_MONO;
1001 else {
1002 dprintk(1, "%s() unknown radio input %d\n", __func__,
1003 priv->radio_input);
1004 return -EINVAL;
1005 }
1006
1007 priv->freq_hz = params->frequency * 125 / 2;
1008
1009 priv->rf_mode = XC_RF_MODE_AIR;
1010
1011 ret = xc_SetTVStandard(priv, XC5000_Standard[radio_input].VideoMode,
1012 XC5000_Standard[radio_input].AudioMode, radio_input);
1013
1014 if (ret != XC_RESULT_SUCCESS) {
1015 printk(KERN_ERR "xc5000: xc_SetTVStandard failed\n");
1016 return -EREMOTEIO;
1017 }
1018
1019 ret = xc_SetSignalSource(priv, priv->rf_mode);
1020 if (ret != XC_RESULT_SUCCESS) {
1021 printk(KERN_ERR
1022 "xc5000: xc_SetSignalSource(%d) failed\n",
1023 priv->rf_mode);
1024 return -EREMOTEIO;
1025 }
1026
1027 if ((priv->radio_input == XC5000_RADIO_FM1) ||
1028 (priv->radio_input == XC5000_RADIO_FM2))
1029 xc_write_reg(priv, XREG_OUTPUT_AMP, 0x09);
1030 else if (priv->radio_input == XC5000_RADIO_FM1_MONO)
1031 xc_write_reg(priv, XREG_OUTPUT_AMP, 0x06);
1032
1033 xc_tune_channel(priv, priv->freq_hz, XC_TUNE_ANALOG);
1034
1035 return 0;
1036}
1037
1038static int xc5000_set_analog_params(struct dvb_frontend *fe,
1039 struct analog_parameters *params)
1040{
1041 struct xc5000_priv *priv = fe->tuner_priv;
1042 int ret = -EINVAL;
1043
1044 if (priv->i2c_props.adap == NULL)
1045 return -EINVAL;
1046
1047 if (xc_load_fw_and_init_tuner(fe, 0) != XC_RESULT_SUCCESS) {
1048 dprintk(1, "Unable to load firmware and init tuner\n");
1049 return -EINVAL;
1050 }
1051
1052 switch (params->mode) {
1053 case V4L2_TUNER_RADIO:
1054 ret = xc5000_set_radio_freq(fe, params);
1055 break;
1056 case V4L2_TUNER_ANALOG_TV:
1057 case V4L2_TUNER_DIGITAL_TV:
1058 ret = xc5000_set_tv_freq(fe, params);
1059 break;
1060 }
1061
1062 return ret;
1063}
1064
1065
1066static int xc5000_get_frequency(struct dvb_frontend *fe, u32 *freq)
1067{
1068 struct xc5000_priv *priv = fe->tuner_priv;
1069 dprintk(1, "%s()\n", __func__);
1070 *freq = priv->freq_hz;
1071 return 0;
1072}
1073
1074static int xc5000_get_if_frequency(struct dvb_frontend *fe, u32 *freq)
1075{
1076 struct xc5000_priv *priv = fe->tuner_priv;
1077 dprintk(1, "%s()\n", __func__);
1078 *freq = priv->if_khz * 1000;
1079 return 0;
1080}
1081
1082static int xc5000_get_bandwidth(struct dvb_frontend *fe, u32 *bw)
1083{
1084 struct xc5000_priv *priv = fe->tuner_priv;
1085 dprintk(1, "%s()\n", __func__);
1086
1087 *bw = priv->bandwidth;
1088 return 0;
1089}
1090
1091static int xc5000_get_status(struct dvb_frontend *fe, u32 *status)
1092{
1093 struct xc5000_priv *priv = fe->tuner_priv;
1094 u16 lock_status = 0;
1095
1096 xc_get_lock_status(priv, &lock_status);
1097
1098 dprintk(1, "%s() lock_status = 0x%08x\n", __func__, lock_status);
1099
1100 *status = lock_status;
1101
1102 return 0;
1103}
1104
1105static int xc_load_fw_and_init_tuner(struct dvb_frontend *fe, int force)
1106{
1107 struct xc5000_priv *priv = fe->tuner_priv;
1108 int ret = XC_RESULT_SUCCESS;
1109 u16 pll_lock_status;
1110 u16 fw_ck;
1111
1112 if (force || xc5000_is_firmware_loaded(fe) != XC_RESULT_SUCCESS) {
1113
1114fw_retry:
1115
1116 ret = xc5000_fwupload(fe);
1117 if (ret != XC_RESULT_SUCCESS)
1118 return ret;
1119
1120 msleep(20);
1121
1122 if (priv->fw_checksum_supported) {
1123 if (xc5000_readreg(priv, XREG_FW_CHECKSUM, &fw_ck)
1124 != XC_RESULT_SUCCESS) {
1125 dprintk(1, "%s() FW checksum reading failed.\n",
1126 __func__);
1127 goto fw_retry;
1128 }
1129
1130 if (fw_ck == 0) {
1131 dprintk(1, "%s() FW checksum failed = 0x%04x\n",
1132 __func__, fw_ck);
1133 goto fw_retry;
1134 }
1135 }
1136
1137
1138 ret |= xc_initialize(priv);
1139
1140 if (ret != XC_RESULT_SUCCESS)
1141 goto fw_retry;
1142
1143
1144
1145
1146
1147
1148 xc_wait(100);
1149
1150 if (priv->init_status_supported) {
1151 if (xc5000_readreg(priv, XREG_INIT_STATUS, &fw_ck) != XC_RESULT_SUCCESS) {
1152 dprintk(1, "%s() FW failed reading init status.\n",
1153 __func__);
1154 goto fw_retry;
1155 }
1156
1157 if (fw_ck == 0) {
1158 dprintk(1, "%s() FW init status failed = 0x%04x\n", __func__, fw_ck);
1159 goto fw_retry;
1160 }
1161 }
1162
1163 if (priv->pll_register_no) {
1164 xc5000_readreg(priv, priv->pll_register_no,
1165 &pll_lock_status);
1166 if (pll_lock_status > 63) {
1167
1168 printk(KERN_ERR "xc5000: PLL not running after fwload.\n");
1169 goto fw_retry;
1170 }
1171 }
1172
1173
1174 ret |= xc_write_reg(priv, XREG_SIGNALSOURCE, XC_RF_MODE_CABLE);
1175 }
1176
1177 return ret;
1178}
1179
1180static int xc5000_sleep(struct dvb_frontend *fe)
1181{
1182 int ret;
1183
1184 dprintk(1, "%s()\n", __func__);
1185
1186
1187 if (no_poweroff)
1188 return 0;
1189
1190
1191
1192
1193 ret = xc5000_TunerReset(fe);
1194 if (ret != XC_RESULT_SUCCESS) {
1195 printk(KERN_ERR
1196 "xc5000: %s() unable to shutdown tuner\n",
1197 __func__);
1198 return -EREMOTEIO;
1199 } else
1200 return XC_RESULT_SUCCESS;
1201}
1202
1203static int xc5000_init(struct dvb_frontend *fe)
1204{
1205 struct xc5000_priv *priv = fe->tuner_priv;
1206 dprintk(1, "%s()\n", __func__);
1207
1208 if (xc_load_fw_and_init_tuner(fe, 0) != XC_RESULT_SUCCESS) {
1209 printk(KERN_ERR "xc5000: Unable to initialise tuner\n");
1210 return -EREMOTEIO;
1211 }
1212
1213 if (debug)
1214 xc_debug_dump(priv);
1215
1216 return 0;
1217}
1218
1219static int xc5000_release(struct dvb_frontend *fe)
1220{
1221 struct xc5000_priv *priv = fe->tuner_priv;
1222
1223 dprintk(1, "%s()\n", __func__);
1224
1225 mutex_lock(&xc5000_list_mutex);
1226
1227 if (priv)
1228 hybrid_tuner_release_state(priv);
1229
1230 mutex_unlock(&xc5000_list_mutex);
1231
1232 fe->tuner_priv = NULL;
1233
1234 return 0;
1235}
1236
1237static int xc5000_set_config(struct dvb_frontend *fe, void *priv_cfg)
1238{
1239 struct xc5000_priv *priv = fe->tuner_priv;
1240 struct xc5000_config *p = priv_cfg;
1241
1242 dprintk(1, "%s()\n", __func__);
1243
1244 if (p->if_khz)
1245 priv->if_khz = p->if_khz;
1246
1247 if (p->radio_input)
1248 priv->radio_input = p->radio_input;
1249
1250 return 0;
1251}
1252
1253
1254static const struct dvb_tuner_ops xc5000_tuner_ops = {
1255 .info = {
1256 .name = "Xceive XC5000",
1257 .frequency_min = 1000000,
1258 .frequency_max = 1023000000,
1259 .frequency_step = 50000,
1260 },
1261
1262 .release = xc5000_release,
1263 .init = xc5000_init,
1264 .sleep = xc5000_sleep,
1265
1266 .set_config = xc5000_set_config,
1267 .set_params = xc5000_set_params,
1268 .set_analog_params = xc5000_set_analog_params,
1269 .get_frequency = xc5000_get_frequency,
1270 .get_if_frequency = xc5000_get_if_frequency,
1271 .get_bandwidth = xc5000_get_bandwidth,
1272 .get_status = xc5000_get_status
1273};
1274
1275struct dvb_frontend *xc5000_attach(struct dvb_frontend *fe,
1276 struct i2c_adapter *i2c,
1277 const struct xc5000_config *cfg)
1278{
1279 struct xc5000_priv *priv = NULL;
1280 int instance;
1281 u16 id = 0;
1282
1283 dprintk(1, "%s(%d-%04x)\n", __func__,
1284 i2c ? i2c_adapter_id(i2c) : -1,
1285 cfg ? cfg->i2c_address : -1);
1286
1287 mutex_lock(&xc5000_list_mutex);
1288
1289 instance = hybrid_tuner_request_state(struct xc5000_priv, priv,
1290 hybrid_tuner_instance_list,
1291 i2c, cfg->i2c_address, "xc5000");
1292 switch (instance) {
1293 case 0:
1294 goto fail;
1295 break;
1296 case 1:
1297
1298 priv->bandwidth = 6000000;
1299 fe->tuner_priv = priv;
1300 break;
1301 default:
1302
1303 fe->tuner_priv = priv;
1304 break;
1305 }
1306
1307 if (priv->if_khz == 0) {
1308
1309
1310
1311 priv->if_khz = cfg->if_khz;
1312 }
1313
1314 if (priv->xtal_khz == 0)
1315 priv->xtal_khz = cfg->xtal_khz;
1316
1317 if (priv->radio_input == 0)
1318 priv->radio_input = cfg->radio_input;
1319
1320
1321
1322 if ((priv->chip_id == 0) || (cfg->chip_id))
1323
1324
1325 priv->chip_id = (cfg->chip_id) ? cfg->chip_id : 0;
1326
1327
1328
1329
1330 if (xc5000_readreg(priv, XREG_PRODUCT_ID, &id) != XC_RESULT_SUCCESS)
1331 goto fail;
1332
1333 switch (id) {
1334 case XC_PRODUCT_ID_FW_LOADED:
1335 printk(KERN_INFO
1336 "xc5000: Successfully identified at address 0x%02x\n",
1337 cfg->i2c_address);
1338 printk(KERN_INFO
1339 "xc5000: Firmware has been loaded previously\n");
1340 break;
1341 case XC_PRODUCT_ID_FW_NOT_LOADED:
1342 printk(KERN_INFO
1343 "xc5000: Successfully identified at address 0x%02x\n",
1344 cfg->i2c_address);
1345 printk(KERN_INFO
1346 "xc5000: Firmware has not been loaded previously\n");
1347 break;
1348 default:
1349 printk(KERN_ERR
1350 "xc5000: Device not found at addr 0x%02x (0x%x)\n",
1351 cfg->i2c_address, id);
1352 goto fail;
1353 }
1354
1355 mutex_unlock(&xc5000_list_mutex);
1356
1357 memcpy(&fe->ops.tuner_ops, &xc5000_tuner_ops,
1358 sizeof(struct dvb_tuner_ops));
1359
1360 return fe;
1361fail:
1362 mutex_unlock(&xc5000_list_mutex);
1363
1364 xc5000_release(fe);
1365 return NULL;
1366}
1367EXPORT_SYMBOL(xc5000_attach);
1368
1369MODULE_AUTHOR("Steven Toth");
1370MODULE_DESCRIPTION("Xceive xc5000 silicon tuner driver");
1371MODULE_LICENSE("GPL");
1372MODULE_FIRMWARE(XC5000A_FIRMWARE);
1373MODULE_FIRMWARE(XC5000C_FIRMWARE);
1374
