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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
52#define XC5000_DEFAULT_FIRMWARE "dvb-fe-xc5000-1.6.114.fw"
53#define XC5000_DEFAULT_FIRMWARE_SIZE 12401
54
55struct xc5000_priv {
56 struct tuner_i2c_props i2c_props;
57 struct list_head hybrid_tuner_instance_list;
58
59 u32 if_khz;
60 u32 freq_hz;
61 u32 bandwidth;
62 u8 video_standard;
63 u8 rf_mode;
64 u8 radio_input;
65};
66
67
68#define MAX_TV_STANDARD 24
69#define XC_MAX_I2C_WRITE_LENGTH 64
70
71
72#define XC_RF_MODE_AIR 0
73#define XC_RF_MODE_CABLE 1
74
75
76#define XC_RESULT_SUCCESS 0
77#define XC_RESULT_RESET_FAILURE 1
78#define XC_RESULT_I2C_WRITE_FAILURE 2
79#define XC_RESULT_I2C_READ_FAILURE 3
80#define XC_RESULT_OUT_OF_RANGE 5
81
82
83#define XC_PRODUCT_ID_FW_NOT_LOADED 0x2000
84#define XC_PRODUCT_ID_FW_LOADED 0x1388
85
86
87#define XREG_INIT 0x00
88#define XREG_VIDEO_MODE 0x01
89#define XREG_AUDIO_MODE 0x02
90#define XREG_RF_FREQ 0x03
91#define XREG_D_CODE 0x04
92#define XREG_IF_OUT 0x05
93#define XREG_SEEK_MODE 0x07
94#define XREG_POWER_DOWN 0x0A
95
96#define XREG_OUTPUT_AMP 0x0B
97#define XREG_SIGNALSOURCE 0x0D
98#define XREG_SMOOTHEDCVBS 0x0E
99#define XREG_XTALFREQ 0x0F
100#define XREG_FINERFREQ 0x10
101#define XREG_DDIMODE 0x11
102
103#define XREG_ADC_ENV 0x00
104#define XREG_QUALITY 0x01
105#define XREG_FRAME_LINES 0x02
106#define XREG_HSYNC_FREQ 0x03
107#define XREG_LOCK 0x04
108#define XREG_FREQ_ERROR 0x05
109#define XREG_SNR 0x06
110#define XREG_VERSION 0x07
111#define XREG_PRODUCT_ID 0x08
112#define XREG_BUSY 0x09
113#define XREG_BUILD 0x0D
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148struct XC_TV_STANDARD {
149 char *Name;
150 u16 AudioMode;
151 u16 VideoMode;
152};
153
154
155#define MN_NTSC_PAL_BTSC 0
156#define MN_NTSC_PAL_A2 1
157#define MN_NTSC_PAL_EIAJ 2
158#define MN_NTSC_PAL_Mono 3
159#define BG_PAL_A2 4
160#define BG_PAL_NICAM 5
161#define BG_PAL_MONO 6
162#define I_PAL_NICAM 7
163#define I_PAL_NICAM_MONO 8
164#define DK_PAL_A2 9
165#define DK_PAL_NICAM 10
166#define DK_PAL_MONO 11
167#define DK_SECAM_A2DK1 12
168#define DK_SECAM_A2LDK3 13
169#define DK_SECAM_A2MONO 14
170#define L_SECAM_NICAM 15
171#define LC_SECAM_NICAM 16
172#define DTV6 17
173#define DTV8 18
174#define DTV7_8 19
175#define DTV7 20
176#define FM_Radio_INPUT2 21
177#define FM_Radio_INPUT1 22
178#define FM_Radio_INPUT1_MONO 23
179
180static struct XC_TV_STANDARD XC5000_Standard[MAX_TV_STANDARD] = {
181 {"M/N-NTSC/PAL-BTSC", 0x0400, 0x8020},
182 {"M/N-NTSC/PAL-A2", 0x0600, 0x8020},
183 {"M/N-NTSC/PAL-EIAJ", 0x0440, 0x8020},
184 {"M/N-NTSC/PAL-Mono", 0x0478, 0x8020},
185 {"B/G-PAL-A2", 0x0A00, 0x8049},
186 {"B/G-PAL-NICAM", 0x0C04, 0x8049},
187 {"B/G-PAL-MONO", 0x0878, 0x8059},
188 {"I-PAL-NICAM", 0x1080, 0x8009},
189 {"I-PAL-NICAM-MONO", 0x0E78, 0x8009},
190 {"D/K-PAL-A2", 0x1600, 0x8009},
191 {"D/K-PAL-NICAM", 0x0E80, 0x8009},
192 {"D/K-PAL-MONO", 0x1478, 0x8009},
193 {"D/K-SECAM-A2 DK1", 0x1200, 0x8009},
194 {"D/K-SECAM-A2 L/DK3", 0x0E00, 0x8009},
195 {"D/K-SECAM-A2 MONO", 0x1478, 0x8009},
196 {"L-SECAM-NICAM", 0x8E82, 0x0009},
197 {"L'-SECAM-NICAM", 0x8E82, 0x4009},
198 {"DTV6", 0x00C0, 0x8002},
199 {"DTV8", 0x00C0, 0x800B},
200 {"DTV7/8", 0x00C0, 0x801B},
201 {"DTV7", 0x00C0, 0x8007},
202 {"FM Radio-INPUT2", 0x9802, 0x9002},
203 {"FM Radio-INPUT1", 0x0208, 0x9002},
204 {"FM Radio-INPUT1_MONO", 0x0278, 0x9002}
205};
206
207static int xc_load_fw_and_init_tuner(struct dvb_frontend *fe);
208static int xc5000_is_firmware_loaded(struct dvb_frontend *fe);
209static int xc5000_readreg(struct xc5000_priv *priv, u16 reg, u16 *val);
210static int xc5000_TunerReset(struct dvb_frontend *fe);
211
212static int xc_send_i2c_data(struct xc5000_priv *priv, u8 *buf, int len)
213{
214 struct i2c_msg msg = { .addr = priv->i2c_props.addr,
215 .flags = 0, .buf = buf, .len = len };
216
217 if (i2c_transfer(priv->i2c_props.adap, &msg, 1) != 1) {
218 printk(KERN_ERR "xc5000: I2C write failed (len=%i)\n", len);
219 return XC_RESULT_I2C_WRITE_FAILURE;
220 }
221 return XC_RESULT_SUCCESS;
222}
223
224#if 0
225
226
227
228static int xc_read_i2c_data(struct xc5000_priv *priv, u8 *buf, int len)
229{
230 struct i2c_msg msg = { .addr = priv->i2c_props.addr,
231 .flags = I2C_M_RD, .buf = buf, .len = len };
232
233 if (i2c_transfer(priv->i2c_props.adap, &msg, 1) != 1) {
234 printk(KERN_ERR "xc5000 I2C read failed (len=%i)\n", len);
235 return -EREMOTEIO;
236 }
237 return 0;
238}
239#endif
240
241static int xc5000_readreg(struct xc5000_priv *priv, u16 reg, u16 *val)
242{
243 u8 buf[2] = { reg >> 8, reg & 0xff };
244 u8 bval[2] = { 0, 0 };
245 struct i2c_msg msg[2] = {
246 { .addr = priv->i2c_props.addr,
247 .flags = 0, .buf = &buf[0], .len = 2 },
248 { .addr = priv->i2c_props.addr,
249 .flags = I2C_M_RD, .buf = &bval[0], .len = 2 },
250 };
251
252 if (i2c_transfer(priv->i2c_props.adap, msg, 2) != 2) {
253 printk(KERN_WARNING "xc5000: I2C read failed\n");
254 return -EREMOTEIO;
255 }
256
257 *val = (bval[0] << 8) | bval[1];
258 return XC_RESULT_SUCCESS;
259}
260
261static void xc_wait(int wait_ms)
262{
263 msleep(wait_ms);
264}
265
266static int xc5000_TunerReset(struct dvb_frontend *fe)
267{
268 struct xc5000_priv *priv = fe->tuner_priv;
269 int ret;
270
271 dprintk(1, "%s()\n", __func__);
272
273 if (fe->callback) {
274 ret = fe->callback(((fe->dvb) && (fe->dvb->priv)) ?
275 fe->dvb->priv :
276 priv->i2c_props.adap->algo_data,
277 DVB_FRONTEND_COMPONENT_TUNER,
278 XC5000_TUNER_RESET, 0);
279 if (ret) {
280 printk(KERN_ERR "xc5000: reset failed\n");
281 return XC_RESULT_RESET_FAILURE;
282 }
283 } else {
284 printk(KERN_ERR "xc5000: no tuner reset callback function, fatal\n");
285 return XC_RESULT_RESET_FAILURE;
286 }
287 return XC_RESULT_SUCCESS;
288}
289
290static int xc_write_reg(struct xc5000_priv *priv, u16 regAddr, u16 i2cData)
291{
292 u8 buf[4];
293 int WatchDogTimer = 100;
294 int result;
295
296 buf[0] = (regAddr >> 8) & 0xFF;
297 buf[1] = regAddr & 0xFF;
298 buf[2] = (i2cData >> 8) & 0xFF;
299 buf[3] = i2cData & 0xFF;
300 result = xc_send_i2c_data(priv, buf, 4);
301 if (result == XC_RESULT_SUCCESS) {
302
303 while ((WatchDogTimer > 0) && (result == XC_RESULT_SUCCESS)) {
304 result = xc5000_readreg(priv, XREG_BUSY, (u16 *)buf);
305 if (result == XC_RESULT_SUCCESS) {
306 if ((buf[0] == 0) && (buf[1] == 0)) {
307
308 break;
309 } else {
310 xc_wait(5);
311 WatchDogTimer--;
312 }
313 }
314 }
315 }
316 if (WatchDogTimer < 0)
317 result = XC_RESULT_I2C_WRITE_FAILURE;
318
319 return result;
320}
321
322static int xc_load_i2c_sequence(struct dvb_frontend *fe, const u8 *i2c_sequence)
323{
324 struct xc5000_priv *priv = fe->tuner_priv;
325
326 int i, nbytes_to_send, result;
327 unsigned int len, pos, index;
328 u8 buf[XC_MAX_I2C_WRITE_LENGTH];
329
330 index = 0;
331 while ((i2c_sequence[index] != 0xFF) ||
332 (i2c_sequence[index + 1] != 0xFF)) {
333 len = i2c_sequence[index] * 256 + i2c_sequence[index+1];
334 if (len == 0x0000) {
335
336 result = xc5000_TunerReset(fe);
337 index += 2;
338 if (result != XC_RESULT_SUCCESS)
339 return result;
340 } else if (len & 0x8000) {
341
342 xc_wait(len & 0x7FFF);
343 index += 2;
344 } else {
345
346
347
348 index += 2;
349 buf[0] = i2c_sequence[index];
350 buf[1] = i2c_sequence[index + 1];
351 pos = 2;
352 while (pos < len) {
353 if ((len - pos) > XC_MAX_I2C_WRITE_LENGTH - 2)
354 nbytes_to_send =
355 XC_MAX_I2C_WRITE_LENGTH;
356 else
357 nbytes_to_send = (len - pos + 2);
358 for (i = 2; i < nbytes_to_send; i++) {
359 buf[i] = i2c_sequence[index + pos +
360 i - 2];
361 }
362 result = xc_send_i2c_data(priv, buf,
363 nbytes_to_send);
364
365 if (result != XC_RESULT_SUCCESS)
366 return result;
367
368 pos += nbytes_to_send - 2;
369 }
370 index += len;
371 }
372 }
373 return XC_RESULT_SUCCESS;
374}
375
376static int xc_initialize(struct xc5000_priv *priv)
377{
378 dprintk(1, "%s()\n", __func__);
379 return xc_write_reg(priv, XREG_INIT, 0);
380}
381
382static int xc_SetTVStandard(struct xc5000_priv *priv,
383 u16 VideoMode, u16 AudioMode)
384{
385 int ret;
386 dprintk(1, "%s(0x%04x,0x%04x)\n", __func__, VideoMode, AudioMode);
387 dprintk(1, "%s() Standard = %s\n",
388 __func__,
389 XC5000_Standard[priv->video_standard].Name);
390
391 ret = xc_write_reg(priv, XREG_VIDEO_MODE, VideoMode);
392 if (ret == XC_RESULT_SUCCESS)
393 ret = xc_write_reg(priv, XREG_AUDIO_MODE, AudioMode);
394
395 return ret;
396}
397
398static int xc_SetSignalSource(struct xc5000_priv *priv, u16 rf_mode)
399{
400 dprintk(1, "%s(%d) Source = %s\n", __func__, rf_mode,
401 rf_mode == XC_RF_MODE_AIR ? "ANTENNA" : "CABLE");
402
403 if ((rf_mode != XC_RF_MODE_AIR) && (rf_mode != XC_RF_MODE_CABLE)) {
404 rf_mode = XC_RF_MODE_CABLE;
405 printk(KERN_ERR
406 "%s(), Invalid mode, defaulting to CABLE",
407 __func__);
408 }
409 return xc_write_reg(priv, XREG_SIGNALSOURCE, rf_mode);
410}
411
412static const struct dvb_tuner_ops xc5000_tuner_ops;
413
414static int xc_set_RF_frequency(struct xc5000_priv *priv, u32 freq_hz)
415{
416 u16 freq_code;
417
418 dprintk(1, "%s(%u)\n", __func__, freq_hz);
419
420 if ((freq_hz > xc5000_tuner_ops.info.frequency_max) ||
421 (freq_hz < xc5000_tuner_ops.info.frequency_min))
422 return XC_RESULT_OUT_OF_RANGE;
423
424 freq_code = (u16)(freq_hz / 15625);
425
426
427
428
429 return xc_write_reg(priv, XREG_FINERFREQ, freq_code);
430}
431
432
433static int xc_set_IF_frequency(struct xc5000_priv *priv, u32 freq_khz)
434{
435 u32 freq_code = (freq_khz * 1024)/1000;
436 dprintk(1, "%s(freq_khz = %d) freq_code = 0x%x\n",
437 __func__, freq_khz, freq_code);
438
439 return xc_write_reg(priv, XREG_IF_OUT, freq_code);
440}
441
442
443static int xc_get_ADC_Envelope(struct xc5000_priv *priv, u16 *adc_envelope)
444{
445 return xc5000_readreg(priv, XREG_ADC_ENV, adc_envelope);
446}
447
448static int xc_get_frequency_error(struct xc5000_priv *priv, u32 *freq_error_hz)
449{
450 int result;
451 u16 regData;
452 u32 tmp;
453
454 result = xc5000_readreg(priv, XREG_FREQ_ERROR, ®Data);
455 if (result != XC_RESULT_SUCCESS)
456 return result;
457
458 tmp = (u32)regData;
459 (*freq_error_hz) = (tmp * 15625) / 1000;
460 return result;
461}
462
463static int xc_get_lock_status(struct xc5000_priv *priv, u16 *lock_status)
464{
465 return xc5000_readreg(priv, XREG_LOCK, lock_status);
466}
467
468static int xc_get_version(struct xc5000_priv *priv,
469 u8 *hw_majorversion, u8 *hw_minorversion,
470 u8 *fw_majorversion, u8 *fw_minorversion)
471{
472 u16 data;
473 int result;
474
475 result = xc5000_readreg(priv, XREG_VERSION, &data);
476 if (result != XC_RESULT_SUCCESS)
477 return result;
478
479 (*hw_majorversion) = (data >> 12) & 0x0F;
480 (*hw_minorversion) = (data >> 8) & 0x0F;
481 (*fw_majorversion) = (data >> 4) & 0x0F;
482 (*fw_minorversion) = data & 0x0F;
483
484 return 0;
485}
486
487static int xc_get_buildversion(struct xc5000_priv *priv, u16 *buildrev)
488{
489 return xc5000_readreg(priv, XREG_BUILD, buildrev);
490}
491
492static int xc_get_hsync_freq(struct xc5000_priv *priv, u32 *hsync_freq_hz)
493{
494 u16 regData;
495 int result;
496
497 result = xc5000_readreg(priv, XREG_HSYNC_FREQ, ®Data);
498 if (result != XC_RESULT_SUCCESS)
499 return result;
500
501 (*hsync_freq_hz) = ((regData & 0x0fff) * 763)/100;
502 return result;
503}
504
505static int xc_get_frame_lines(struct xc5000_priv *priv, u16 *frame_lines)
506{
507 return xc5000_readreg(priv, XREG_FRAME_LINES, frame_lines);
508}
509
510static int xc_get_quality(struct xc5000_priv *priv, u16 *quality)
511{
512 return xc5000_readreg(priv, XREG_QUALITY, quality);
513}
514
515static u16 WaitForLock(struct xc5000_priv *priv)
516{
517 u16 lockState = 0;
518 int watchDogCount = 40;
519
520 while ((lockState == 0) && (watchDogCount > 0)) {
521 xc_get_lock_status(priv, &lockState);
522 if (lockState != 1) {
523 xc_wait(5);
524 watchDogCount--;
525 }
526 }
527 return lockState;
528}
529
530#define XC_TUNE_ANALOG 0
531#define XC_TUNE_DIGITAL 1
532static int xc_tune_channel(struct xc5000_priv *priv, u32 freq_hz, int mode)
533{
534 int found = 0;
535
536 dprintk(1, "%s(%u)\n", __func__, freq_hz);
537
538 if (xc_set_RF_frequency(priv, freq_hz) != XC_RESULT_SUCCESS)
539 return 0;
540
541 if (mode == XC_TUNE_ANALOG) {
542 if (WaitForLock(priv) == 1)
543 found = 1;
544 }
545
546 return found;
547}
548
549
550static int xc5000_fwupload(struct dvb_frontend *fe)
551{
552 struct xc5000_priv *priv = fe->tuner_priv;
553 const struct firmware *fw;
554 int ret;
555
556
557 printk(KERN_INFO "xc5000: waiting for firmware upload (%s)...\n",
558 XC5000_DEFAULT_FIRMWARE);
559
560 ret = request_firmware(&fw, XC5000_DEFAULT_FIRMWARE,
561 priv->i2c_props.adap->dev.parent);
562 if (ret) {
563 printk(KERN_ERR "xc5000: Upload failed. (file not found?)\n");
564 ret = XC_RESULT_RESET_FAILURE;
565 goto out;
566 } else {
567 printk(KERN_DEBUG "xc5000: firmware read %Zu bytes.\n",
568 fw->size);
569 ret = XC_RESULT_SUCCESS;
570 }
571
572 if (fw->size != XC5000_DEFAULT_FIRMWARE_SIZE) {
573 printk(KERN_ERR "xc5000: firmware incorrect size\n");
574 ret = XC_RESULT_RESET_FAILURE;
575 } else {
576 printk(KERN_INFO "xc5000: firmware uploading...\n");
577 ret = xc_load_i2c_sequence(fe, fw->data);
578 printk(KERN_INFO "xc5000: firmware upload complete...\n");
579 }
580
581out:
582 release_firmware(fw);
583 return ret;
584}
585
586static void xc_debug_dump(struct xc5000_priv *priv)
587{
588 u16 adc_envelope;
589 u32 freq_error_hz = 0;
590 u16 lock_status;
591 u32 hsync_freq_hz = 0;
592 u16 frame_lines;
593 u16 quality;
594 u8 hw_majorversion = 0, hw_minorversion = 0;
595 u8 fw_majorversion = 0, fw_minorversion = 0;
596 u16 fw_buildversion = 0;
597
598
599
600
601
602 xc_wait(100);
603
604 xc_get_ADC_Envelope(priv, &adc_envelope);
605 dprintk(1, "*** ADC envelope (0-1023) = %d\n", adc_envelope);
606
607 xc_get_frequency_error(priv, &freq_error_hz);
608 dprintk(1, "*** Frequency error = %d Hz\n", freq_error_hz);
609
610 xc_get_lock_status(priv, &lock_status);
611 dprintk(1, "*** Lock status (0-Wait, 1-Locked, 2-No-signal) = %d\n",
612 lock_status);
613
614 xc_get_version(priv, &hw_majorversion, &hw_minorversion,
615 &fw_majorversion, &fw_minorversion);
616 xc_get_buildversion(priv, &fw_buildversion);
617 dprintk(1, "*** HW: V%02x.%02x, FW: V%02x.%02x.%04x\n",
618 hw_majorversion, hw_minorversion,
619 fw_majorversion, fw_minorversion, fw_buildversion);
620
621 xc_get_hsync_freq(priv, &hsync_freq_hz);
622 dprintk(1, "*** Horizontal sync frequency = %d Hz\n", hsync_freq_hz);
623
624 xc_get_frame_lines(priv, &frame_lines);
625 dprintk(1, "*** Frame lines = %d\n", frame_lines);
626
627 xc_get_quality(priv, &quality);
628 dprintk(1, "*** Quality (0:<8dB, 7:>56dB) = %d\n", quality);
629}
630
631static int xc5000_set_params(struct dvb_frontend *fe,
632 struct dvb_frontend_parameters *params)
633{
634 struct xc5000_priv *priv = fe->tuner_priv;
635 int ret;
636
637 if (xc5000_is_firmware_loaded(fe) != XC_RESULT_SUCCESS) {
638 if (xc_load_fw_and_init_tuner(fe) != XC_RESULT_SUCCESS) {
639 dprintk(1, "Unable to load firmware and init tuner\n");
640 return -EINVAL;
641 }
642 }
643
644 dprintk(1, "%s() frequency=%d (Hz)\n", __func__, params->frequency);
645
646 if (fe->ops.info.type == FE_ATSC) {
647 dprintk(1, "%s() ATSC\n", __func__);
648 switch (params->u.vsb.modulation) {
649 case VSB_8:
650 case VSB_16:
651 dprintk(1, "%s() VSB modulation\n", __func__);
652 priv->rf_mode = XC_RF_MODE_AIR;
653 priv->freq_hz = params->frequency - 1750000;
654 priv->bandwidth = BANDWIDTH_6_MHZ;
655 priv->video_standard = DTV6;
656 break;
657 case QAM_64:
658 case QAM_256:
659 case QAM_AUTO:
660 dprintk(1, "%s() QAM modulation\n", __func__);
661 priv->rf_mode = XC_RF_MODE_CABLE;
662 priv->freq_hz = params->frequency - 1750000;
663 priv->bandwidth = BANDWIDTH_6_MHZ;
664 priv->video_standard = DTV6;
665 break;
666 default:
667 return -EINVAL;
668 }
669 } else if (fe->ops.info.type == FE_OFDM) {
670 dprintk(1, "%s() OFDM\n", __func__);
671 switch (params->u.ofdm.bandwidth) {
672 case BANDWIDTH_6_MHZ:
673 priv->bandwidth = BANDWIDTH_6_MHZ;
674 priv->video_standard = DTV6;
675 priv->freq_hz = params->frequency - 1750000;
676 break;
677 case BANDWIDTH_7_MHZ:
678 printk(KERN_ERR "xc5000 bandwidth 7MHz not supported\n");
679 return -EINVAL;
680 case BANDWIDTH_8_MHZ:
681 priv->bandwidth = BANDWIDTH_8_MHZ;
682 priv->video_standard = DTV8;
683 priv->freq_hz = params->frequency - 2750000;
684 break;
685 default:
686 printk(KERN_ERR "xc5000 bandwidth not set!\n");
687 return -EINVAL;
688 }
689 priv->rf_mode = XC_RF_MODE_AIR;
690 } else if (fe->ops.info.type == FE_QAM) {
691 dprintk(1, "%s() QAM\n", __func__);
692 switch (params->u.qam.modulation) {
693 case QAM_16:
694 case QAM_32:
695 case QAM_64:
696 case QAM_128:
697 case QAM_256:
698 case QAM_AUTO:
699 dprintk(1, "%s() QAM modulation\n", __func__);
700 priv->bandwidth = BANDWIDTH_8_MHZ;
701 priv->video_standard = DTV7_8;
702 priv->freq_hz = params->frequency - 2750000;
703 priv->rf_mode = XC_RF_MODE_CABLE;
704 break;
705 default:
706 return -EINVAL;
707 }
708 } else {
709 printk(KERN_ERR "xc5000 modulation type not supported!\n");
710 return -EINVAL;
711 }
712
713 dprintk(1, "%s() frequency=%d (compensated)\n",
714 __func__, priv->freq_hz);
715
716 ret = xc_SetSignalSource(priv, priv->rf_mode);
717 if (ret != XC_RESULT_SUCCESS) {
718 printk(KERN_ERR
719 "xc5000: xc_SetSignalSource(%d) failed\n",
720 priv->rf_mode);
721 return -EREMOTEIO;
722 }
723
724 ret = xc_SetTVStandard(priv,
725 XC5000_Standard[priv->video_standard].VideoMode,
726 XC5000_Standard[priv->video_standard].AudioMode);
727 if (ret != XC_RESULT_SUCCESS) {
728 printk(KERN_ERR "xc5000: xc_SetTVStandard failed\n");
729 return -EREMOTEIO;
730 }
731
732 ret = xc_set_IF_frequency(priv, priv->if_khz);
733 if (ret != XC_RESULT_SUCCESS) {
734 printk(KERN_ERR "xc5000: xc_Set_IF_frequency(%d) failed\n",
735 priv->if_khz);
736 return -EIO;
737 }
738
739 xc_write_reg(priv, XREG_OUTPUT_AMP, 0x8a);
740
741 xc_tune_channel(priv, priv->freq_hz, XC_TUNE_DIGITAL);
742
743 if (debug)
744 xc_debug_dump(priv);
745
746 return 0;
747}
748
749static int xc5000_is_firmware_loaded(struct dvb_frontend *fe)
750{
751 struct xc5000_priv *priv = fe->tuner_priv;
752 int ret;
753 u16 id;
754
755 ret = xc5000_readreg(priv, XREG_PRODUCT_ID, &id);
756 if (ret == XC_RESULT_SUCCESS) {
757 if (id == XC_PRODUCT_ID_FW_NOT_LOADED)
758 ret = XC_RESULT_RESET_FAILURE;
759 else
760 ret = XC_RESULT_SUCCESS;
761 }
762
763 dprintk(1, "%s() returns %s id = 0x%x\n", __func__,
764 ret == XC_RESULT_SUCCESS ? "True" : "False", id);
765 return ret;
766}
767
768static int xc5000_set_tv_freq(struct dvb_frontend *fe,
769 struct analog_parameters *params)
770{
771 struct xc5000_priv *priv = fe->tuner_priv;
772 int ret;
773
774 dprintk(1, "%s() frequency=%d (in units of 62.5khz)\n",
775 __func__, params->frequency);
776
777
778 priv->rf_mode = params->mode;
779 if (params->mode > XC_RF_MODE_CABLE)
780 priv->rf_mode = XC_RF_MODE_CABLE;
781
782
783 priv->freq_hz = params->frequency * 62500;
784
785
786
787
788 if (params->std & V4L2_STD_MN) {
789
790 priv->video_standard = MN_NTSC_PAL_BTSC;
791 goto tune_channel;
792 }
793
794 if (params->std & V4L2_STD_PAL_BG) {
795
796 priv->video_standard = BG_PAL_NICAM;
797 goto tune_channel;
798 }
799
800 if (params->std & V4L2_STD_PAL_I) {
801
802 priv->video_standard = I_PAL_NICAM;
803 goto tune_channel;
804 }
805
806 if (params->std & V4L2_STD_PAL_DK) {
807
808 priv->video_standard = DK_PAL_NICAM;
809 goto tune_channel;
810 }
811
812 if (params->std & V4L2_STD_SECAM_DK) {
813
814 priv->video_standard = DK_SECAM_A2DK1;
815 goto tune_channel;
816 }
817
818 if (params->std & V4L2_STD_SECAM_L) {
819 priv->video_standard = L_SECAM_NICAM;
820 goto tune_channel;
821 }
822
823 if (params->std & V4L2_STD_SECAM_LC) {
824 priv->video_standard = LC_SECAM_NICAM;
825 goto tune_channel;
826 }
827
828tune_channel:
829 ret = xc_SetSignalSource(priv, priv->rf_mode);
830 if (ret != XC_RESULT_SUCCESS) {
831 printk(KERN_ERR
832 "xc5000: xc_SetSignalSource(%d) failed\n",
833 priv->rf_mode);
834 return -EREMOTEIO;
835 }
836
837 ret = xc_SetTVStandard(priv,
838 XC5000_Standard[priv->video_standard].VideoMode,
839 XC5000_Standard[priv->video_standard].AudioMode);
840 if (ret != XC_RESULT_SUCCESS) {
841 printk(KERN_ERR "xc5000: xc_SetTVStandard failed\n");
842 return -EREMOTEIO;
843 }
844
845 xc_write_reg(priv, XREG_OUTPUT_AMP, 0x09);
846
847 xc_tune_channel(priv, priv->freq_hz, XC_TUNE_ANALOG);
848
849 if (debug)
850 xc_debug_dump(priv);
851
852 return 0;
853}
854
855static int xc5000_set_radio_freq(struct dvb_frontend *fe,
856 struct analog_parameters *params)
857{
858 struct xc5000_priv *priv = fe->tuner_priv;
859 int ret = -EINVAL;
860 u8 radio_input;
861
862 dprintk(1, "%s() frequency=%d (in units of khz)\n",
863 __func__, params->frequency);
864
865 if (priv->radio_input == XC5000_RADIO_NOT_CONFIGURED) {
866 dprintk(1, "%s() radio input not configured\n", __func__);
867 return -EINVAL;
868 }
869
870 if (priv->radio_input == XC5000_RADIO_FM1)
871 radio_input = FM_Radio_INPUT1;
872 else if (priv->radio_input == XC5000_RADIO_FM2)
873 radio_input = FM_Radio_INPUT2;
874 else if (priv->radio_input == XC5000_RADIO_FM1_MONO)
875 radio_input = FM_Radio_INPUT1_MONO;
876 else {
877 dprintk(1, "%s() unknown radio input %d\n", __func__,
878 priv->radio_input);
879 return -EINVAL;
880 }
881
882 priv->freq_hz = params->frequency * 125 / 2;
883
884 priv->rf_mode = XC_RF_MODE_AIR;
885
886 ret = xc_SetTVStandard(priv, XC5000_Standard[radio_input].VideoMode,
887 XC5000_Standard[radio_input].AudioMode);
888
889 if (ret != XC_RESULT_SUCCESS) {
890 printk(KERN_ERR "xc5000: xc_SetTVStandard failed\n");
891 return -EREMOTEIO;
892 }
893
894 ret = xc_SetSignalSource(priv, priv->rf_mode);
895 if (ret != XC_RESULT_SUCCESS) {
896 printk(KERN_ERR
897 "xc5000: xc_SetSignalSource(%d) failed\n",
898 priv->rf_mode);
899 return -EREMOTEIO;
900 }
901
902 if ((priv->radio_input == XC5000_RADIO_FM1) ||
903 (priv->radio_input == XC5000_RADIO_FM2))
904 xc_write_reg(priv, XREG_OUTPUT_AMP, 0x09);
905 else if (priv->radio_input == XC5000_RADIO_FM1_MONO)
906 xc_write_reg(priv, XREG_OUTPUT_AMP, 0x06);
907
908 xc_tune_channel(priv, priv->freq_hz, XC_TUNE_ANALOG);
909
910 return 0;
911}
912
913static int xc5000_set_analog_params(struct dvb_frontend *fe,
914 struct analog_parameters *params)
915{
916 struct xc5000_priv *priv = fe->tuner_priv;
917 int ret = -EINVAL;
918
919 if (priv->i2c_props.adap == NULL)
920 return -EINVAL;
921
922 if (xc5000_is_firmware_loaded(fe) != XC_RESULT_SUCCESS) {
923 if (xc_load_fw_and_init_tuner(fe) != XC_RESULT_SUCCESS) {
924 dprintk(1, "Unable to load firmware and init tuner\n");
925 return -EINVAL;
926 }
927 }
928
929 switch (params->mode) {
930 case V4L2_TUNER_RADIO:
931 ret = xc5000_set_radio_freq(fe, params);
932 break;
933 case V4L2_TUNER_ANALOG_TV:
934 case V4L2_TUNER_DIGITAL_TV:
935 ret = xc5000_set_tv_freq(fe, params);
936 break;
937 }
938
939 return ret;
940}
941
942
943static int xc5000_get_frequency(struct dvb_frontend *fe, u32 *freq)
944{
945 struct xc5000_priv *priv = fe->tuner_priv;
946 dprintk(1, "%s()\n", __func__);
947 *freq = priv->freq_hz;
948 return 0;
949}
950
951static int xc5000_get_bandwidth(struct dvb_frontend *fe, u32 *bw)
952{
953 struct xc5000_priv *priv = fe->tuner_priv;
954 dprintk(1, "%s()\n", __func__);
955
956 *bw = priv->bandwidth;
957 return 0;
958}
959
960static int xc5000_get_status(struct dvb_frontend *fe, u32 *status)
961{
962 struct xc5000_priv *priv = fe->tuner_priv;
963 u16 lock_status = 0;
964
965 xc_get_lock_status(priv, &lock_status);
966
967 dprintk(1, "%s() lock_status = 0x%08x\n", __func__, lock_status);
968
969 *status = lock_status;
970
971 return 0;
972}
973
974static int xc_load_fw_and_init_tuner(struct dvb_frontend *fe)
975{
976 struct xc5000_priv *priv = fe->tuner_priv;
977 int ret = 0;
978
979 if (xc5000_is_firmware_loaded(fe) != XC_RESULT_SUCCESS) {
980 ret = xc5000_fwupload(fe);
981 if (ret != XC_RESULT_SUCCESS)
982 return ret;
983 }
984
985
986 ret |= xc_initialize(priv);
987
988
989
990
991
992
993 xc_wait(100);
994
995
996 ret |= xc_write_reg(priv, XREG_SIGNALSOURCE, XC_RF_MODE_CABLE);
997
998 return ret;
999}
1000
1001static int xc5000_sleep(struct dvb_frontend *fe)
1002{
1003 int ret;
1004
1005 dprintk(1, "%s()\n", __func__);
1006
1007
1008 if (no_poweroff)
1009 return 0;
1010
1011
1012
1013
1014 ret = xc5000_TunerReset(fe);
1015 if (ret != XC_RESULT_SUCCESS) {
1016 printk(KERN_ERR
1017 "xc5000: %s() unable to shutdown tuner\n",
1018 __func__);
1019 return -EREMOTEIO;
1020 } else
1021 return XC_RESULT_SUCCESS;
1022}
1023
1024static int xc5000_init(struct dvb_frontend *fe)
1025{
1026 struct xc5000_priv *priv = fe->tuner_priv;
1027 dprintk(1, "%s()\n", __func__);
1028
1029 if (xc_load_fw_and_init_tuner(fe) != XC_RESULT_SUCCESS) {
1030 printk(KERN_ERR "xc5000: Unable to initialise tuner\n");
1031 return -EREMOTEIO;
1032 }
1033
1034 if (debug)
1035 xc_debug_dump(priv);
1036
1037 return 0;
1038}
1039
1040static int xc5000_release(struct dvb_frontend *fe)
1041{
1042 struct xc5000_priv *priv = fe->tuner_priv;
1043
1044 dprintk(1, "%s()\n", __func__);
1045
1046 mutex_lock(&xc5000_list_mutex);
1047
1048 if (priv)
1049 hybrid_tuner_release_state(priv);
1050
1051 mutex_unlock(&xc5000_list_mutex);
1052
1053 fe->tuner_priv = NULL;
1054
1055 return 0;
1056}
1057
1058static int xc5000_set_config(struct dvb_frontend *fe, void *priv_cfg)
1059{
1060 struct xc5000_priv *priv = fe->tuner_priv;
1061 struct xc5000_config *p = priv_cfg;
1062
1063 dprintk(1, "%s()\n", __func__);
1064
1065 if (p->if_khz)
1066 priv->if_khz = p->if_khz;
1067
1068 if (p->radio_input)
1069 priv->radio_input = p->radio_input;
1070
1071 return 0;
1072}
1073
1074
1075static const struct dvb_tuner_ops xc5000_tuner_ops = {
1076 .info = {
1077 .name = "Xceive XC5000",
1078 .frequency_min = 1000000,
1079 .frequency_max = 1023000000,
1080 .frequency_step = 50000,
1081 },
1082
1083 .release = xc5000_release,
1084 .init = xc5000_init,
1085 .sleep = xc5000_sleep,
1086
1087 .set_config = xc5000_set_config,
1088 .set_params = xc5000_set_params,
1089 .set_analog_params = xc5000_set_analog_params,
1090 .get_frequency = xc5000_get_frequency,
1091 .get_bandwidth = xc5000_get_bandwidth,
1092 .get_status = xc5000_get_status
1093};
1094
1095struct dvb_frontend *xc5000_attach(struct dvb_frontend *fe,
1096 struct i2c_adapter *i2c,
1097 const struct xc5000_config *cfg)
1098{
1099 struct xc5000_priv *priv = NULL;
1100 int instance;
1101 u16 id = 0;
1102
1103 dprintk(1, "%s(%d-%04x)\n", __func__,
1104 i2c ? i2c_adapter_id(i2c) : -1,
1105 cfg ? cfg->i2c_address : -1);
1106
1107 mutex_lock(&xc5000_list_mutex);
1108
1109 instance = hybrid_tuner_request_state(struct xc5000_priv, priv,
1110 hybrid_tuner_instance_list,
1111 i2c, cfg->i2c_address, "xc5000");
1112 switch (instance) {
1113 case 0:
1114 goto fail;
1115 break;
1116 case 1:
1117
1118 priv->bandwidth = BANDWIDTH_6_MHZ;
1119 fe->tuner_priv = priv;
1120 break;
1121 default:
1122
1123 fe->tuner_priv = priv;
1124 break;
1125 }
1126
1127 if (priv->if_khz == 0) {
1128
1129
1130
1131 priv->if_khz = cfg->if_khz;
1132 }
1133
1134 if (priv->radio_input == 0)
1135 priv->radio_input = cfg->radio_input;
1136
1137
1138
1139
1140 if (xc5000_readreg(priv, XREG_PRODUCT_ID, &id) != XC_RESULT_SUCCESS)
1141 goto fail;
1142
1143 switch (id) {
1144 case XC_PRODUCT_ID_FW_LOADED:
1145 printk(KERN_INFO
1146 "xc5000: Successfully identified at address 0x%02x\n",
1147 cfg->i2c_address);
1148 printk(KERN_INFO
1149 "xc5000: Firmware has been loaded previously\n");
1150 break;
1151 case XC_PRODUCT_ID_FW_NOT_LOADED:
1152 printk(KERN_INFO
1153 "xc5000: Successfully identified at address 0x%02x\n",
1154 cfg->i2c_address);
1155 printk(KERN_INFO
1156 "xc5000: Firmware has not been loaded previously\n");
1157 break;
1158 default:
1159 printk(KERN_ERR
1160 "xc5000: Device not found at addr 0x%02x (0x%x)\n",
1161 cfg->i2c_address, id);
1162 goto fail;
1163 }
1164
1165 mutex_unlock(&xc5000_list_mutex);
1166
1167 memcpy(&fe->ops.tuner_ops, &xc5000_tuner_ops,
1168 sizeof(struct dvb_tuner_ops));
1169
1170 return fe;
1171fail:
1172 mutex_unlock(&xc5000_list_mutex);
1173
1174 xc5000_release(fe);
1175 return NULL;
1176}
1177EXPORT_SYMBOL(xc5000_attach);
1178
1179MODULE_AUTHOR("Steven Toth");
1180MODULE_DESCRIPTION("Xceive xc5000 silicon tuner driver");
1181MODULE_LICENSE("GPL");
1182