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20#include <linux/module.h>
21#include <linux/moduleparam.h>
22#include <linux/videodev2.h>
23#include <linux/delay.h>
24#include <linux/workqueue.h>
25#include <linux/dvb/frontend.h>
26#include <linux/i2c.h>
27
28#include <media/dvb_frontend.h>
29
30#include "xc5000.h"
31#include "tuner-i2c.h"
32
33static int debug;
34module_param(debug, int, 0644);
35MODULE_PARM_DESC(debug, "Turn on/off debugging (default:off).");
36
37static int no_poweroff;
38module_param(no_poweroff, int, 0644);
39MODULE_PARM_DESC(no_poweroff, "0 (default) powers device off when not used.\n"
40 "\t\t1 keep device energized and with tuner ready all the times.\n"
41 "\t\tFaster, but consumes more power and keeps the device hotter");
42
43static DEFINE_MUTEX(xc5000_list_mutex);
44static LIST_HEAD(hybrid_tuner_instance_list);
45
46#define dprintk(level, fmt, arg...) if (debug >= level) \
47 printk(KERN_INFO "%s: " fmt, "xc5000", ## arg)
48
49struct xc5000_priv {
50 struct tuner_i2c_props i2c_props;
51 struct list_head hybrid_tuner_instance_list;
52
53 u32 if_khz;
54 u16 xtal_khz;
55 u32 freq_hz, freq_offset;
56 u32 bandwidth;
57 u8 video_standard;
58 unsigned int mode;
59 u8 rf_mode;
60 u8 radio_input;
61 u16 output_amp;
62
63 int chip_id;
64 u16 pll_register_no;
65 u8 init_status_supported;
66 u8 fw_checksum_supported;
67
68 struct dvb_frontend *fe;
69 struct delayed_work timer_sleep;
70
71 const struct firmware *firmware;
72};
73
74
75#define MAX_TV_STANDARD 24
76#define XC_MAX_I2C_WRITE_LENGTH 64
77
78
79#define XC5000_SLEEP_TIME 5000
80
81
82#define XC_RF_MODE_AIR 0
83#define XC_RF_MODE_CABLE 1
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 audio_mode;
157 u16 video_mode;
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_tuner_reset(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 -EREMOTEIO;
262 }
263 return 0;
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 0;
301}
302
303static int xc5000_tuner_reset(struct dvb_frontend *fe)
304{
305 struct xc5000_priv *priv = fe->tuner_priv;
306 int ret;
307
308 dprintk(1, "%s()\n", __func__);
309
310 if (fe->callback) {
311 ret = fe->callback(((fe->dvb) && (fe->dvb->priv)) ?
312 fe->dvb->priv :
313 priv->i2c_props.adap->algo_data,
314 DVB_FRONTEND_COMPONENT_TUNER,
315 XC5000_TUNER_RESET, 0);
316 if (ret) {
317 printk(KERN_ERR "xc5000: reset failed\n");
318 return ret;
319 }
320 } else {
321 printk(KERN_ERR "xc5000: no tuner reset callback function, fatal\n");
322 return -EINVAL;
323 }
324 return 0;
325}
326
327static int xc_write_reg(struct xc5000_priv *priv, u16 reg_addr, u16 i2c_data)
328{
329 u8 buf[4];
330 int watch_dog_timer = 100;
331 int result;
332
333 buf[0] = (reg_addr >> 8) & 0xFF;
334 buf[1] = reg_addr & 0xFF;
335 buf[2] = (i2c_data >> 8) & 0xFF;
336 buf[3] = i2c_data & 0xFF;
337 result = xc_send_i2c_data(priv, buf, 4);
338 if (result == 0) {
339
340 while ((watch_dog_timer > 0) && (result == 0)) {
341 result = xc5000_readreg(priv, XREG_BUSY, (u16 *)buf);
342 if (result == 0) {
343 if ((buf[0] == 0) && (buf[1] == 0)) {
344
345 break;
346 } else {
347 msleep(5);
348 watch_dog_timer--;
349 }
350 }
351 }
352 }
353 if (watch_dog_timer <= 0)
354 result = -EREMOTEIO;
355
356 return result;
357}
358
359static int xc_load_i2c_sequence(struct dvb_frontend *fe, const u8 *i2c_sequence)
360{
361 struct xc5000_priv *priv = fe->tuner_priv;
362
363 int i, nbytes_to_send, result;
364 unsigned int len, pos, index;
365 u8 buf[XC_MAX_I2C_WRITE_LENGTH];
366
367 index = 0;
368 while ((i2c_sequence[index] != 0xFF) ||
369 (i2c_sequence[index + 1] != 0xFF)) {
370 len = i2c_sequence[index] * 256 + i2c_sequence[index+1];
371 if (len == 0x0000) {
372
373 result = xc5000_tuner_reset(fe);
374 index += 2;
375 if (result != 0)
376 return result;
377 } else if (len & 0x8000) {
378
379 msleep(len & 0x7FFF);
380 index += 2;
381 } else {
382
383
384
385 index += 2;
386 buf[0] = i2c_sequence[index];
387 buf[1] = i2c_sequence[index + 1];
388 pos = 2;
389 while (pos < len) {
390 if ((len - pos) > XC_MAX_I2C_WRITE_LENGTH - 2)
391 nbytes_to_send =
392 XC_MAX_I2C_WRITE_LENGTH;
393 else
394 nbytes_to_send = (len - pos + 2);
395 for (i = 2; i < nbytes_to_send; i++) {
396 buf[i] = i2c_sequence[index + pos +
397 i - 2];
398 }
399 result = xc_send_i2c_data(priv, buf,
400 nbytes_to_send);
401
402 if (result != 0)
403 return result;
404
405 pos += nbytes_to_send - 2;
406 }
407 index += len;
408 }
409 }
410 return 0;
411}
412
413static int xc_initialize(struct xc5000_priv *priv)
414{
415 dprintk(1, "%s()\n", __func__);
416 return xc_write_reg(priv, XREG_INIT, 0);
417}
418
419static int xc_set_tv_standard(struct xc5000_priv *priv,
420 u16 video_mode, u16 audio_mode, u8 radio_mode)
421{
422 int ret;
423 dprintk(1, "%s(0x%04x,0x%04x)\n", __func__, video_mode, audio_mode);
424 if (radio_mode) {
425 dprintk(1, "%s() Standard = %s\n",
426 __func__,
427 xc5000_standard[radio_mode].name);
428 } else {
429 dprintk(1, "%s() Standard = %s\n",
430 __func__,
431 xc5000_standard[priv->video_standard].name);
432 }
433
434 ret = xc_write_reg(priv, XREG_VIDEO_MODE, video_mode);
435 if (ret == 0)
436 ret = xc_write_reg(priv, XREG_AUDIO_MODE, audio_mode);
437
438 return ret;
439}
440
441static int xc_set_signal_source(struct xc5000_priv *priv, u16 rf_mode)
442{
443 dprintk(1, "%s(%d) Source = %s\n", __func__, rf_mode,
444 rf_mode == XC_RF_MODE_AIR ? "ANTENNA" : "CABLE");
445
446 if ((rf_mode != XC_RF_MODE_AIR) && (rf_mode != XC_RF_MODE_CABLE)) {
447 rf_mode = XC_RF_MODE_CABLE;
448 printk(KERN_ERR
449 "%s(), Invalid mode, defaulting to CABLE",
450 __func__);
451 }
452 return xc_write_reg(priv, XREG_SIGNALSOURCE, rf_mode);
453}
454
455static const struct dvb_tuner_ops xc5000_tuner_ops;
456
457static int xc_set_rf_frequency(struct xc5000_priv *priv, u32 freq_hz)
458{
459 u16 freq_code;
460
461 dprintk(1, "%s(%u)\n", __func__, freq_hz);
462
463 if ((freq_hz > xc5000_tuner_ops.info.frequency_max_hz) ||
464 (freq_hz < xc5000_tuner_ops.info.frequency_min_hz))
465 return -EINVAL;
466
467 freq_code = (u16)(freq_hz / 15625);
468
469
470
471
472 return xc_write_reg(priv, XREG_FINERFREQ, freq_code);
473}
474
475
476static int xc_set_IF_frequency(struct xc5000_priv *priv, u32 freq_khz)
477{
478 u32 freq_code = (freq_khz * 1024)/1000;
479 dprintk(1, "%s(freq_khz = %d) freq_code = 0x%x\n",
480 __func__, freq_khz, freq_code);
481
482 return xc_write_reg(priv, XREG_IF_OUT, freq_code);
483}
484
485
486static int xc_get_adc_envelope(struct xc5000_priv *priv, u16 *adc_envelope)
487{
488 return xc5000_readreg(priv, XREG_ADC_ENV, adc_envelope);
489}
490
491static int xc_get_frequency_error(struct xc5000_priv *priv, u32 *freq_error_hz)
492{
493 int result;
494 u16 reg_data;
495 u32 tmp;
496
497 result = xc5000_readreg(priv, XREG_FREQ_ERROR, ®_data);
498 if (result != 0)
499 return result;
500
501 tmp = (u32)reg_data;
502 (*freq_error_hz) = (tmp * 15625) / 1000;
503 return result;
504}
505
506static int xc_get_lock_status(struct xc5000_priv *priv, u16 *lock_status)
507{
508 return xc5000_readreg(priv, XREG_LOCK, lock_status);
509}
510
511static int xc_get_version(struct xc5000_priv *priv,
512 u8 *hw_majorversion, u8 *hw_minorversion,
513 u8 *fw_majorversion, u8 *fw_minorversion)
514{
515 u16 data;
516 int result;
517
518 result = xc5000_readreg(priv, XREG_VERSION, &data);
519 if (result != 0)
520 return result;
521
522 (*hw_majorversion) = (data >> 12) & 0x0F;
523 (*hw_minorversion) = (data >> 8) & 0x0F;
524 (*fw_majorversion) = (data >> 4) & 0x0F;
525 (*fw_minorversion) = data & 0x0F;
526
527 return 0;
528}
529
530static int xc_get_buildversion(struct xc5000_priv *priv, u16 *buildrev)
531{
532 return xc5000_readreg(priv, XREG_BUILD, buildrev);
533}
534
535static int xc_get_hsync_freq(struct xc5000_priv *priv, u32 *hsync_freq_hz)
536{
537 u16 reg_data;
538 int result;
539
540 result = xc5000_readreg(priv, XREG_HSYNC_FREQ, ®_data);
541 if (result != 0)
542 return result;
543
544 (*hsync_freq_hz) = ((reg_data & 0x0fff) * 763)/100;
545 return result;
546}
547
548static int xc_get_frame_lines(struct xc5000_priv *priv, u16 *frame_lines)
549{
550 return xc5000_readreg(priv, XREG_FRAME_LINES, frame_lines);
551}
552
553static int xc_get_quality(struct xc5000_priv *priv, u16 *quality)
554{
555 return xc5000_readreg(priv, XREG_QUALITY, quality);
556}
557
558static int xc_get_analogsnr(struct xc5000_priv *priv, u16 *snr)
559{
560 return xc5000_readreg(priv, XREG_SNR, snr);
561}
562
563static int xc_get_totalgain(struct xc5000_priv *priv, u16 *totalgain)
564{
565 return xc5000_readreg(priv, XREG_TOTALGAIN, totalgain);
566}
567
568#define XC_TUNE_ANALOG 0
569#define XC_TUNE_DIGITAL 1
570static int xc_tune_channel(struct xc5000_priv *priv, u32 freq_hz, int mode)
571{
572 dprintk(1, "%s(%u)\n", __func__, freq_hz);
573
574 if (xc_set_rf_frequency(priv, freq_hz) != 0)
575 return -EREMOTEIO;
576
577 return 0;
578}
579
580static int xc_set_xtal(struct dvb_frontend *fe)
581{
582 struct xc5000_priv *priv = fe->tuner_priv;
583 int ret = 0;
584
585 switch (priv->chip_id) {
586 default:
587 case XC5000A:
588
589 break;
590 case XC5000C:
591 switch (priv->xtal_khz) {
592 default:
593 case 32000:
594
595 break;
596 case 31875:
597
598 ret = xc_write_reg(priv, 0x000f, 0x8081);
599 break;
600 }
601 break;
602 }
603 return ret;
604}
605
606static int xc5000_fwupload(struct dvb_frontend *fe,
607 const struct xc5000_fw_cfg *desired_fw,
608 const struct firmware *fw)
609{
610 struct xc5000_priv *priv = fe->tuner_priv;
611 int ret;
612
613
614 dprintk(1, "waiting for firmware upload (%s)...\n",
615 desired_fw->name);
616
617 priv->pll_register_no = desired_fw->pll_reg;
618 priv->init_status_supported = desired_fw->init_status_supported;
619 priv->fw_checksum_supported = desired_fw->fw_checksum_supported;
620
621
622 dprintk(1, "firmware uploading...\n");
623 ret = xc_load_i2c_sequence(fe, fw->data);
624 if (!ret) {
625 ret = xc_set_xtal(fe);
626 dprintk(1, "Firmware upload complete...\n");
627 } else
628 printk(KERN_ERR "xc5000: firmware upload failed...\n");
629
630 return ret;
631}
632
633static void xc_debug_dump(struct xc5000_priv *priv)
634{
635 u16 adc_envelope;
636 u32 freq_error_hz = 0;
637 u16 lock_status;
638 u32 hsync_freq_hz = 0;
639 u16 frame_lines;
640 u16 quality;
641 u16 snr;
642 u16 totalgain;
643 u8 hw_majorversion = 0, hw_minorversion = 0;
644 u8 fw_majorversion = 0, fw_minorversion = 0;
645 u16 fw_buildversion = 0;
646 u16 regval;
647
648
649
650
651
652 msleep(100);
653
654 xc_get_adc_envelope(priv, &adc_envelope);
655 dprintk(1, "*** ADC envelope (0-1023) = %d\n", adc_envelope);
656
657 xc_get_frequency_error(priv, &freq_error_hz);
658 dprintk(1, "*** Frequency error = %d Hz\n", freq_error_hz);
659
660 xc_get_lock_status(priv, &lock_status);
661 dprintk(1, "*** Lock status (0-Wait, 1-Locked, 2-No-signal) = %d\n",
662 lock_status);
663
664 xc_get_version(priv, &hw_majorversion, &hw_minorversion,
665 &fw_majorversion, &fw_minorversion);
666 xc_get_buildversion(priv, &fw_buildversion);
667 dprintk(1, "*** HW: V%d.%d, FW: V %d.%d.%d\n",
668 hw_majorversion, hw_minorversion,
669 fw_majorversion, fw_minorversion, fw_buildversion);
670
671 xc_get_hsync_freq(priv, &hsync_freq_hz);
672 dprintk(1, "*** Horizontal sync frequency = %d Hz\n", hsync_freq_hz);
673
674 xc_get_frame_lines(priv, &frame_lines);
675 dprintk(1, "*** Frame lines = %d\n", frame_lines);
676
677 xc_get_quality(priv, &quality);
678 dprintk(1, "*** Quality (0:<8dB, 7:>56dB) = %d\n", quality & 0x07);
679
680 xc_get_analogsnr(priv, &snr);
681 dprintk(1, "*** Unweighted analog SNR = %d dB\n", snr & 0x3f);
682
683 xc_get_totalgain(priv, &totalgain);
684 dprintk(1, "*** Total gain = %d.%d dB\n", totalgain / 256,
685 (totalgain % 256) * 100 / 256);
686
687 if (priv->pll_register_no) {
688 if (!xc5000_readreg(priv, priv->pll_register_no, ®val))
689 dprintk(1, "*** PLL lock status = 0x%04x\n", regval);
690 }
691}
692
693static int xc5000_tune_digital(struct dvb_frontend *fe)
694{
695 struct xc5000_priv *priv = fe->tuner_priv;
696 int ret;
697 u32 bw = fe->dtv_property_cache.bandwidth_hz;
698
699 ret = xc_set_signal_source(priv, priv->rf_mode);
700 if (ret != 0) {
701 printk(KERN_ERR
702 "xc5000: xc_set_signal_source(%d) failed\n",
703 priv->rf_mode);
704 return -EREMOTEIO;
705 }
706
707 ret = xc_set_tv_standard(priv,
708 xc5000_standard[priv->video_standard].video_mode,
709 xc5000_standard[priv->video_standard].audio_mode, 0);
710 if (ret != 0) {
711 printk(KERN_ERR "xc5000: xc_set_tv_standard failed\n");
712 return -EREMOTEIO;
713 }
714
715 ret = xc_set_IF_frequency(priv, priv->if_khz);
716 if (ret != 0) {
717 printk(KERN_ERR "xc5000: xc_Set_IF_frequency(%d) failed\n",
718 priv->if_khz);
719 return -EIO;
720 }
721
722 dprintk(1, "%s() setting OUTPUT_AMP to 0x%x\n",
723 __func__, priv->output_amp);
724 xc_write_reg(priv, XREG_OUTPUT_AMP, priv->output_amp);
725
726 xc_tune_channel(priv, priv->freq_hz, XC_TUNE_DIGITAL);
727
728 if (debug)
729 xc_debug_dump(priv);
730
731 priv->bandwidth = bw;
732
733 return 0;
734}
735
736static int xc5000_set_digital_params(struct dvb_frontend *fe)
737{
738 int b;
739 struct xc5000_priv *priv = fe->tuner_priv;
740 u32 bw = fe->dtv_property_cache.bandwidth_hz;
741 u32 freq = fe->dtv_property_cache.frequency;
742 u32 delsys = fe->dtv_property_cache.delivery_system;
743
744 if (xc_load_fw_and_init_tuner(fe, 0) != 0) {
745 dprintk(1, "Unable to load firmware and init tuner\n");
746 return -EINVAL;
747 }
748
749 dprintk(1, "%s() frequency=%d (Hz)\n", __func__, freq);
750
751 switch (delsys) {
752 case SYS_ATSC:
753 dprintk(1, "%s() VSB modulation\n", __func__);
754 priv->rf_mode = XC_RF_MODE_AIR;
755 priv->freq_offset = 1750000;
756 priv->video_standard = DTV6;
757 break;
758 case SYS_DVBC_ANNEX_B:
759 dprintk(1, "%s() QAM modulation\n", __func__);
760 priv->rf_mode = XC_RF_MODE_CABLE;
761 priv->freq_offset = 1750000;
762 priv->video_standard = DTV6;
763 break;
764 case SYS_ISDBT:
765
766 if (!bw)
767 bw = 6000000;
768
769
770 case SYS_DMBTH:
771 case SYS_DVBT:
772 case SYS_DVBT2:
773 dprintk(1, "%s() OFDM\n", __func__);
774 switch (bw) {
775 case 6000000:
776 priv->video_standard = DTV6;
777 priv->freq_offset = 1750000;
778 break;
779 case 7000000:
780 priv->video_standard = DTV7;
781 priv->freq_offset = 2250000;
782 break;
783 case 8000000:
784 priv->video_standard = DTV8;
785 priv->freq_offset = 2750000;
786 break;
787 default:
788 printk(KERN_ERR "xc5000 bandwidth not set!\n");
789 return -EINVAL;
790 }
791 priv->rf_mode = XC_RF_MODE_AIR;
792 break;
793 case SYS_DVBC_ANNEX_A:
794 case SYS_DVBC_ANNEX_C:
795 dprintk(1, "%s() QAM modulation\n", __func__);
796 priv->rf_mode = XC_RF_MODE_CABLE;
797 if (bw <= 6000000) {
798 priv->video_standard = DTV6;
799 priv->freq_offset = 1750000;
800 b = 6;
801 } else if (bw <= 7000000) {
802 priv->video_standard = DTV7;
803 priv->freq_offset = 2250000;
804 b = 7;
805 } else {
806 priv->video_standard = DTV7_8;
807 priv->freq_offset = 2750000;
808 b = 8;
809 }
810 dprintk(1, "%s() Bandwidth %dMHz (%d)\n", __func__,
811 b, bw);
812 break;
813 default:
814 printk(KERN_ERR "xc5000: delivery system is not supported!\n");
815 return -EINVAL;
816 }
817
818 priv->freq_hz = freq - priv->freq_offset;
819 priv->mode = V4L2_TUNER_DIGITAL_TV;
820
821 dprintk(1, "%s() frequency=%d (compensated to %d)\n",
822 __func__, freq, priv->freq_hz);
823
824 return xc5000_tune_digital(fe);
825}
826
827static int xc5000_is_firmware_loaded(struct dvb_frontend *fe)
828{
829 struct xc5000_priv *priv = fe->tuner_priv;
830 int ret;
831 u16 id;
832
833 ret = xc5000_readreg(priv, XREG_PRODUCT_ID, &id);
834 if (!ret) {
835 if (id == XC_PRODUCT_ID_FW_NOT_LOADED)
836 ret = -ENOENT;
837 else
838 ret = 0;
839 dprintk(1, "%s() returns id = 0x%x\n", __func__, id);
840 } else {
841 dprintk(1, "%s() returns error %d\n", __func__, ret);
842 }
843
844 return ret;
845}
846
847static void xc5000_config_tv(struct dvb_frontend *fe,
848 struct analog_parameters *params)
849{
850 struct xc5000_priv *priv = fe->tuner_priv;
851
852 dprintk(1, "%s() frequency=%d (in units of 62.5khz)\n",
853 __func__, params->frequency);
854
855
856 priv->rf_mode = params->mode;
857 if (params->mode > XC_RF_MODE_CABLE)
858 priv->rf_mode = XC_RF_MODE_CABLE;
859
860
861 priv->freq_hz = params->frequency * 62500;
862
863
864
865
866 if (params->std & V4L2_STD_MN) {
867
868 priv->video_standard = MN_NTSC_PAL_BTSC;
869 return;
870 }
871
872 if (params->std & V4L2_STD_PAL_BG) {
873
874 priv->video_standard = BG_PAL_NICAM;
875 return;
876 }
877
878 if (params->std & V4L2_STD_PAL_I) {
879
880 priv->video_standard = I_PAL_NICAM;
881 return;
882 }
883
884 if (params->std & V4L2_STD_PAL_DK) {
885
886 priv->video_standard = DK_PAL_NICAM;
887 return;
888 }
889
890 if (params->std & V4L2_STD_SECAM_DK) {
891
892 priv->video_standard = DK_SECAM_A2DK1;
893 return;
894 }
895
896 if (params->std & V4L2_STD_SECAM_L) {
897 priv->video_standard = L_SECAM_NICAM;
898 return;
899 }
900
901 if (params->std & V4L2_STD_SECAM_LC) {
902 priv->video_standard = LC_SECAM_NICAM;
903 return;
904 }
905}
906
907static int xc5000_set_tv_freq(struct dvb_frontend *fe)
908{
909 struct xc5000_priv *priv = fe->tuner_priv;
910 u16 pll_lock_status;
911 int ret;
912
913tune_channel:
914 ret = xc_set_signal_source(priv, priv->rf_mode);
915 if (ret != 0) {
916 printk(KERN_ERR
917 "xc5000: xc_set_signal_source(%d) failed\n",
918 priv->rf_mode);
919 return -EREMOTEIO;
920 }
921
922 ret = xc_set_tv_standard(priv,
923 xc5000_standard[priv->video_standard].video_mode,
924 xc5000_standard[priv->video_standard].audio_mode, 0);
925 if (ret != 0) {
926 printk(KERN_ERR "xc5000: xc_set_tv_standard failed\n");
927 return -EREMOTEIO;
928 }
929
930 xc_write_reg(priv, XREG_OUTPUT_AMP, 0x09);
931
932 xc_tune_channel(priv, priv->freq_hz, XC_TUNE_ANALOG);
933
934 if (debug)
935 xc_debug_dump(priv);
936
937 if (priv->pll_register_no != 0) {
938 msleep(20);
939 ret = xc5000_readreg(priv, priv->pll_register_no,
940 &pll_lock_status);
941 if (ret)
942 return ret;
943 if (pll_lock_status > 63) {
944
945 dprintk(1, "xc5000: PLL not locked (0x%x). Reloading...\n",
946 pll_lock_status);
947 if (xc_load_fw_and_init_tuner(fe, 1) != 0) {
948 printk(KERN_ERR "xc5000: Unable to reload fw\n");
949 return -EREMOTEIO;
950 }
951 goto tune_channel;
952 }
953 }
954
955 return 0;
956}
957
958static int xc5000_config_radio(struct dvb_frontend *fe,
959 struct analog_parameters *params)
960
961{
962 struct xc5000_priv *priv = fe->tuner_priv;
963
964 dprintk(1, "%s() frequency=%d (in units of khz)\n",
965 __func__, params->frequency);
966
967 if (priv->radio_input == XC5000_RADIO_NOT_CONFIGURED) {
968 dprintk(1, "%s() radio input not configured\n", __func__);
969 return -EINVAL;
970 }
971
972 priv->freq_hz = params->frequency * 125 / 2;
973 priv->rf_mode = XC_RF_MODE_AIR;
974
975 return 0;
976}
977
978static int xc5000_set_radio_freq(struct dvb_frontend *fe)
979{
980 struct xc5000_priv *priv = fe->tuner_priv;
981 int ret;
982 u8 radio_input;
983
984 if (priv->radio_input == XC5000_RADIO_FM1)
985 radio_input = FM_RADIO_INPUT1;
986 else if (priv->radio_input == XC5000_RADIO_FM2)
987 radio_input = FM_RADIO_INPUT2;
988 else if (priv->radio_input == XC5000_RADIO_FM1_MONO)
989 radio_input = FM_RADIO_INPUT1_MONO;
990 else {
991 dprintk(1, "%s() unknown radio input %d\n", __func__,
992 priv->radio_input);
993 return -EINVAL;
994 }
995
996 ret = xc_set_tv_standard(priv, xc5000_standard[radio_input].video_mode,
997 xc5000_standard[radio_input].audio_mode, radio_input);
998
999 if (ret != 0) {
1000 printk(KERN_ERR "xc5000: xc_set_tv_standard failed\n");
1001 return -EREMOTEIO;
1002 }
1003
1004 ret = xc_set_signal_source(priv, priv->rf_mode);
1005 if (ret != 0) {
1006 printk(KERN_ERR
1007 "xc5000: xc_set_signal_source(%d) failed\n",
1008 priv->rf_mode);
1009 return -EREMOTEIO;
1010 }
1011
1012 if ((priv->radio_input == XC5000_RADIO_FM1) ||
1013 (priv->radio_input == XC5000_RADIO_FM2))
1014 xc_write_reg(priv, XREG_OUTPUT_AMP, 0x09);
1015 else if (priv->radio_input == XC5000_RADIO_FM1_MONO)
1016 xc_write_reg(priv, XREG_OUTPUT_AMP, 0x06);
1017
1018 xc_tune_channel(priv, priv->freq_hz, XC_TUNE_ANALOG);
1019
1020 return 0;
1021}
1022
1023static int xc5000_set_params(struct dvb_frontend *fe)
1024{
1025 struct xc5000_priv *priv = fe->tuner_priv;
1026
1027 if (xc_load_fw_and_init_tuner(fe, 0) != 0) {
1028 dprintk(1, "Unable to load firmware and init tuner\n");
1029 return -EINVAL;
1030 }
1031
1032 switch (priv->mode) {
1033 case V4L2_TUNER_RADIO:
1034 return xc5000_set_radio_freq(fe);
1035 case V4L2_TUNER_ANALOG_TV:
1036 return xc5000_set_tv_freq(fe);
1037 case V4L2_TUNER_DIGITAL_TV:
1038 return xc5000_tune_digital(fe);
1039 }
1040
1041 return 0;
1042}
1043
1044static int xc5000_set_analog_params(struct dvb_frontend *fe,
1045 struct analog_parameters *params)
1046{
1047 struct xc5000_priv *priv = fe->tuner_priv;
1048 int ret;
1049
1050 if (priv->i2c_props.adap == NULL)
1051 return -EINVAL;
1052
1053 switch (params->mode) {
1054 case V4L2_TUNER_RADIO:
1055 ret = xc5000_config_radio(fe, params);
1056 if (ret)
1057 return ret;
1058 break;
1059 case V4L2_TUNER_ANALOG_TV:
1060 xc5000_config_tv(fe, params);
1061 break;
1062 default:
1063 break;
1064 }
1065 priv->mode = params->mode;
1066
1067 return xc5000_set_params(fe);
1068}
1069
1070static int xc5000_get_frequency(struct dvb_frontend *fe, u32 *freq)
1071{
1072 struct xc5000_priv *priv = fe->tuner_priv;
1073 dprintk(1, "%s()\n", __func__);
1074 *freq = priv->freq_hz + priv->freq_offset;
1075 return 0;
1076}
1077
1078static int xc5000_get_if_frequency(struct dvb_frontend *fe, u32 *freq)
1079{
1080 struct xc5000_priv *priv = fe->tuner_priv;
1081 dprintk(1, "%s()\n", __func__);
1082 *freq = priv->if_khz * 1000;
1083 return 0;
1084}
1085
1086static int xc5000_get_bandwidth(struct dvb_frontend *fe, u32 *bw)
1087{
1088 struct xc5000_priv *priv = fe->tuner_priv;
1089 dprintk(1, "%s()\n", __func__);
1090
1091 *bw = priv->bandwidth;
1092 return 0;
1093}
1094
1095static int xc5000_get_status(struct dvb_frontend *fe, u32 *status)
1096{
1097 struct xc5000_priv *priv = fe->tuner_priv;
1098 u16 lock_status = 0;
1099
1100 xc_get_lock_status(priv, &lock_status);
1101
1102 dprintk(1, "%s() lock_status = 0x%08x\n", __func__, lock_status);
1103
1104 *status = lock_status;
1105
1106 return 0;
1107}
1108
1109static int xc_load_fw_and_init_tuner(struct dvb_frontend *fe, int force)
1110{
1111 struct xc5000_priv *priv = fe->tuner_priv;
1112 const struct xc5000_fw_cfg *desired_fw = xc5000_assign_firmware(priv->chip_id);
1113 const struct firmware *fw;
1114 int ret, i;
1115 u16 pll_lock_status;
1116 u16 fw_ck;
1117
1118 cancel_delayed_work(&priv->timer_sleep);
1119
1120 if (!force && xc5000_is_firmware_loaded(fe) == 0)
1121 return 0;
1122
1123 if (!priv->firmware) {
1124 ret = request_firmware(&fw, desired_fw->name,
1125 priv->i2c_props.adap->dev.parent);
1126 if (ret) {
1127 pr_err("xc5000: Upload failed. rc %d\n", ret);
1128 return ret;
1129 }
1130 dprintk(1, "firmware read %zu bytes.\n", fw->size);
1131
1132 if (fw->size != desired_fw->size) {
1133 pr_err("xc5000: Firmware file with incorrect size\n");
1134 release_firmware(fw);
1135 return -EINVAL;
1136 }
1137 priv->firmware = fw;
1138 } else
1139 fw = priv->firmware;
1140
1141
1142 for (i = 0; i < 5; i++) {
1143 if (i)
1144 printk(KERN_CONT " - retrying to upload firmware.\n");
1145
1146 ret = xc5000_fwupload(fe, desired_fw, fw);
1147 if (ret != 0)
1148 goto err;
1149
1150 msleep(20);
1151
1152 if (priv->fw_checksum_supported) {
1153 if (xc5000_readreg(priv, XREG_FW_CHECKSUM, &fw_ck)) {
1154 printk(KERN_ERR
1155 "xc5000: FW checksum reading failed.");
1156 continue;
1157 }
1158
1159 if (!fw_ck) {
1160 printk(KERN_ERR
1161 "xc5000: FW checksum failed = 0x%04x.",
1162 fw_ck);
1163 continue;
1164 }
1165 }
1166
1167
1168 ret = xc_initialize(priv);
1169 if (ret) {
1170 printk(KERN_ERR "xc5000: Can't request self-calibration.");
1171 continue;
1172 }
1173
1174
1175
1176
1177
1178
1179 msleep(100);
1180
1181 if (priv->init_status_supported) {
1182 if (xc5000_readreg(priv, XREG_INIT_STATUS, &fw_ck)) {
1183 printk(KERN_ERR
1184 "xc5000: FW failed reading init status.");
1185 continue;
1186 }
1187
1188 if (!fw_ck) {
1189 printk(KERN_ERR
1190 "xc5000: FW init status failed = 0x%04x.",
1191 fw_ck);
1192 continue;
1193 }
1194 }
1195
1196 if (priv->pll_register_no) {
1197 ret = xc5000_readreg(priv, priv->pll_register_no,
1198 &pll_lock_status);
1199 if (ret)
1200 continue;
1201 if (pll_lock_status > 63) {
1202
1203 printk(KERN_ERR
1204 "xc5000: PLL not running after fwload.");
1205 continue;
1206 }
1207 }
1208
1209
1210 ret = xc_write_reg(priv, XREG_SIGNALSOURCE, XC_RF_MODE_CABLE);
1211 if (!ret)
1212 break;
1213 printk(KERN_ERR "xc5000: can't set to cable mode.");
1214 }
1215
1216err:
1217 if (!ret)
1218 printk(KERN_INFO "xc5000: Firmware %s loaded and running.\n",
1219 desired_fw->name);
1220 else
1221 printk(KERN_CONT " - too many retries. Giving up\n");
1222
1223 return ret;
1224}
1225
1226static void xc5000_do_timer_sleep(struct work_struct *timer_sleep)
1227{
1228 struct xc5000_priv *priv =container_of(timer_sleep, struct xc5000_priv,
1229 timer_sleep.work);
1230 struct dvb_frontend *fe = priv->fe;
1231 int ret;
1232
1233 dprintk(1, "%s()\n", __func__);
1234
1235
1236
1237
1238 ret = xc5000_tuner_reset(fe);
1239 if (ret != 0)
1240 printk(KERN_ERR
1241 "xc5000: %s() unable to shutdown tuner\n",
1242 __func__);
1243}
1244
1245static int xc5000_sleep(struct dvb_frontend *fe)
1246{
1247 struct xc5000_priv *priv = fe->tuner_priv;
1248
1249 dprintk(1, "%s()\n", __func__);
1250
1251
1252 if (no_poweroff)
1253 return 0;
1254
1255 schedule_delayed_work(&priv->timer_sleep,
1256 msecs_to_jiffies(XC5000_SLEEP_TIME));
1257
1258 return 0;
1259}
1260
1261static int xc5000_suspend(struct dvb_frontend *fe)
1262{
1263 struct xc5000_priv *priv = fe->tuner_priv;
1264 int ret;
1265
1266 dprintk(1, "%s()\n", __func__);
1267
1268 cancel_delayed_work(&priv->timer_sleep);
1269
1270 ret = xc5000_tuner_reset(fe);
1271 if (ret != 0)
1272 printk(KERN_ERR
1273 "xc5000: %s() unable to shutdown tuner\n",
1274 __func__);
1275
1276 return 0;
1277}
1278
1279static int xc5000_resume(struct dvb_frontend *fe)
1280{
1281 struct xc5000_priv *priv = fe->tuner_priv;
1282
1283 dprintk(1, "%s()\n", __func__);
1284
1285
1286
1287 if (!priv->firmware)
1288 return 0;
1289
1290 return xc5000_set_params(fe);
1291}
1292
1293static int xc5000_init(struct dvb_frontend *fe)
1294{
1295 struct xc5000_priv *priv = fe->tuner_priv;
1296 dprintk(1, "%s()\n", __func__);
1297
1298 if (xc_load_fw_and_init_tuner(fe, 0) != 0) {
1299 printk(KERN_ERR "xc5000: Unable to initialise tuner\n");
1300 return -EREMOTEIO;
1301 }
1302
1303 if (debug)
1304 xc_debug_dump(priv);
1305
1306 return 0;
1307}
1308
1309static void xc5000_release(struct dvb_frontend *fe)
1310{
1311 struct xc5000_priv *priv = fe->tuner_priv;
1312
1313 dprintk(1, "%s()\n", __func__);
1314
1315 mutex_lock(&xc5000_list_mutex);
1316
1317 if (priv) {
1318 cancel_delayed_work(&priv->timer_sleep);
1319 if (priv->firmware) {
1320 release_firmware(priv->firmware);
1321 priv->firmware = NULL;
1322 }
1323 hybrid_tuner_release_state(priv);
1324 }
1325
1326 mutex_unlock(&xc5000_list_mutex);
1327
1328 fe->tuner_priv = NULL;
1329}
1330
1331static int xc5000_set_config(struct dvb_frontend *fe, void *priv_cfg)
1332{
1333 struct xc5000_priv *priv = fe->tuner_priv;
1334 struct xc5000_config *p = priv_cfg;
1335
1336 dprintk(1, "%s()\n", __func__);
1337
1338 if (p->if_khz)
1339 priv->if_khz = p->if_khz;
1340
1341 if (p->radio_input)
1342 priv->radio_input = p->radio_input;
1343
1344 if (p->output_amp)
1345 priv->output_amp = p->output_amp;
1346
1347 return 0;
1348}
1349
1350
1351static const struct dvb_tuner_ops xc5000_tuner_ops = {
1352 .info = {
1353 .name = "Xceive XC5000",
1354 .frequency_min_hz = 1 * MHz,
1355 .frequency_max_hz = 1023 * MHz,
1356 .frequency_step_hz = 50 * kHz,
1357 },
1358
1359 .release = xc5000_release,
1360 .init = xc5000_init,
1361 .sleep = xc5000_sleep,
1362 .suspend = xc5000_suspend,
1363 .resume = xc5000_resume,
1364
1365 .set_config = xc5000_set_config,
1366 .set_params = xc5000_set_digital_params,
1367 .set_analog_params = xc5000_set_analog_params,
1368 .get_frequency = xc5000_get_frequency,
1369 .get_if_frequency = xc5000_get_if_frequency,
1370 .get_bandwidth = xc5000_get_bandwidth,
1371 .get_status = xc5000_get_status
1372};
1373
1374struct dvb_frontend *xc5000_attach(struct dvb_frontend *fe,
1375 struct i2c_adapter *i2c,
1376 const struct xc5000_config *cfg)
1377{
1378 struct xc5000_priv *priv = NULL;
1379 int instance;
1380 u16 id = 0;
1381
1382 dprintk(1, "%s(%d-%04x)\n", __func__,
1383 i2c ? i2c_adapter_id(i2c) : -1,
1384 cfg ? cfg->i2c_address : -1);
1385
1386 mutex_lock(&xc5000_list_mutex);
1387
1388 instance = hybrid_tuner_request_state(struct xc5000_priv, priv,
1389 hybrid_tuner_instance_list,
1390 i2c, cfg->i2c_address, "xc5000");
1391 switch (instance) {
1392 case 0:
1393 goto fail;
1394 case 1:
1395
1396 priv->bandwidth = 6000000;
1397 fe->tuner_priv = priv;
1398 priv->fe = fe;
1399 INIT_DELAYED_WORK(&priv->timer_sleep, xc5000_do_timer_sleep);
1400 break;
1401 default:
1402
1403 fe->tuner_priv = priv;
1404 break;
1405 }
1406
1407 if (priv->if_khz == 0) {
1408
1409
1410
1411 priv->if_khz = cfg->if_khz;
1412 }
1413
1414 if (priv->xtal_khz == 0)
1415 priv->xtal_khz = cfg->xtal_khz;
1416
1417 if (priv->radio_input == 0)
1418 priv->radio_input = cfg->radio_input;
1419
1420
1421
1422 if ((priv->chip_id == 0) || (cfg->chip_id))
1423
1424
1425 priv->chip_id = (cfg->chip_id) ? cfg->chip_id : 0;
1426
1427
1428
1429 if ((priv->output_amp == 0) || (cfg->output_amp))
1430
1431 priv->output_amp = (cfg->output_amp) ? cfg->output_amp : 0x8a;
1432
1433
1434
1435
1436 if (xc5000_readreg(priv, XREG_PRODUCT_ID, &id) != 0)
1437 goto fail;
1438
1439 switch (id) {
1440 case XC_PRODUCT_ID_FW_LOADED:
1441 printk(KERN_INFO
1442 "xc5000: Successfully identified at address 0x%02x\n",
1443 cfg->i2c_address);
1444 printk(KERN_INFO
1445 "xc5000: Firmware has been loaded previously\n");
1446 break;
1447 case XC_PRODUCT_ID_FW_NOT_LOADED:
1448 printk(KERN_INFO
1449 "xc5000: Successfully identified at address 0x%02x\n",
1450 cfg->i2c_address);
1451 printk(KERN_INFO
1452 "xc5000: Firmware has not been loaded previously\n");
1453 break;
1454 default:
1455 printk(KERN_ERR
1456 "xc5000: Device not found at addr 0x%02x (0x%x)\n",
1457 cfg->i2c_address, id);
1458 goto fail;
1459 }
1460
1461 mutex_unlock(&xc5000_list_mutex);
1462
1463 memcpy(&fe->ops.tuner_ops, &xc5000_tuner_ops,
1464 sizeof(struct dvb_tuner_ops));
1465
1466 return fe;
1467fail:
1468 mutex_unlock(&xc5000_list_mutex);
1469
1470 xc5000_release(fe);
1471 return NULL;
1472}
1473EXPORT_SYMBOL(xc5000_attach);
1474
1475MODULE_AUTHOR("Steven Toth");
1476MODULE_DESCRIPTION("Xceive xc5000 silicon tuner driver");
1477MODULE_LICENSE("GPL");
1478MODULE_FIRMWARE(XC5000A_FIRMWARE);
1479MODULE_FIRMWARE(XC5000C_FIRMWARE);
1480
