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10#include <linux/module.h>
11#include <linux/moduleparam.h>
12#include <linux/videodev2.h>
13#include <linux/delay.h>
14#include <linux/workqueue.h>
15#include <linux/dvb/frontend.h>
16#include <linux/i2c.h>
17
18#include <media/dvb_frontend.h>
19
20#include "xc5000.h"
21#include "tuner-i2c.h"
22
23static int debug;
24module_param(debug, int, 0644);
25MODULE_PARM_DESC(debug, "Turn on/off debugging (default:off).");
26
27static int no_poweroff;
28module_param(no_poweroff, int, 0644);
29MODULE_PARM_DESC(no_poweroff, "0 (default) powers device off when not used.\n"
30 "\t\t1 keep device energized and with tuner ready all the times.\n"
31 "\t\tFaster, but consumes more power and keeps the device hotter");
32
33static DEFINE_MUTEX(xc5000_list_mutex);
34static LIST_HEAD(hybrid_tuner_instance_list);
35
36#define dprintk(level, fmt, arg...) if (debug >= level) \
37 printk(KERN_INFO "%s: " fmt, "xc5000", ## arg)
38
39struct xc5000_priv {
40 struct tuner_i2c_props i2c_props;
41 struct list_head hybrid_tuner_instance_list;
42
43 u32 if_khz;
44 u16 xtal_khz;
45 u32 freq_hz, freq_offset;
46 u32 bandwidth;
47 u8 video_standard;
48 unsigned int mode;
49 u8 rf_mode;
50 u8 radio_input;
51 u16 output_amp;
52
53 int chip_id;
54 u16 pll_register_no;
55 u8 init_status_supported;
56 u8 fw_checksum_supported;
57
58 struct dvb_frontend *fe;
59 struct delayed_work timer_sleep;
60
61 const struct firmware *firmware;
62};
63
64
65#define MAX_TV_STANDARD 24
66#define XC_MAX_I2C_WRITE_LENGTH 64
67
68
69#define XC5000_SLEEP_TIME 5000
70
71
72#define XC_RF_MODE_AIR 0
73#define XC_RF_MODE_CABLE 1
74
75
76#define XC_PRODUCT_ID_FW_NOT_LOADED 0x2000
77#define XC_PRODUCT_ID_FW_LOADED 0x1388
78
79
80#define XREG_INIT 0x00
81#define XREG_VIDEO_MODE 0x01
82#define XREG_AUDIO_MODE 0x02
83#define XREG_RF_FREQ 0x03
84#define XREG_D_CODE 0x04
85#define XREG_IF_OUT 0x05
86#define XREG_SEEK_MODE 0x07
87#define XREG_POWER_DOWN 0x0A
88
89#define XREG_OUTPUT_AMP 0x0B
90#define XREG_SIGNALSOURCE 0x0D
91#define XREG_SMOOTHEDCVBS 0x0E
92#define XREG_XTALFREQ 0x0F
93#define XREG_FINERFREQ 0x10
94#define XREG_DDIMODE 0x11
95
96#define XREG_ADC_ENV 0x00
97#define XREG_QUALITY 0x01
98#define XREG_FRAME_LINES 0x02
99#define XREG_HSYNC_FREQ 0x03
100#define XREG_LOCK 0x04
101#define XREG_FREQ_ERROR 0x05
102#define XREG_SNR 0x06
103#define XREG_VERSION 0x07
104#define XREG_PRODUCT_ID 0x08
105#define XREG_BUSY 0x09
106#define XREG_BUILD 0x0D
107#define XREG_TOTALGAIN 0x0F
108#define XREG_FW_CHECKSUM 0x12
109#define XREG_INIT_STATUS 0x13
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144struct XC_TV_STANDARD {
145 char *name;
146 u16 audio_mode;
147 u16 video_mode;
148};
149
150
151#define MN_NTSC_PAL_BTSC 0
152#define MN_NTSC_PAL_A2 1
153#define MN_NTSC_PAL_EIAJ 2
154#define MN_NTSC_PAL_MONO 3
155#define BG_PAL_A2 4
156#define BG_PAL_NICAM 5
157#define BG_PAL_MONO 6
158#define I_PAL_NICAM 7
159#define I_PAL_NICAM_MONO 8
160#define DK_PAL_A2 9
161#define DK_PAL_NICAM 10
162#define DK_PAL_MONO 11
163#define DK_SECAM_A2DK1 12
164#define DK_SECAM_A2LDK3 13
165#define DK_SECAM_A2MONO 14
166#define L_SECAM_NICAM 15
167#define LC_SECAM_NICAM 16
168#define DTV6 17
169#define DTV8 18
170#define DTV7_8 19
171#define DTV7 20
172#define FM_RADIO_INPUT2 21
173#define FM_RADIO_INPUT1 22
174#define FM_RADIO_INPUT1_MONO 23
175
176static struct XC_TV_STANDARD xc5000_standard[MAX_TV_STANDARD] = {
177 {"M/N-NTSC/PAL-BTSC", 0x0400, 0x8020},
178 {"M/N-NTSC/PAL-A2", 0x0600, 0x8020},
179 {"M/N-NTSC/PAL-EIAJ", 0x0440, 0x8020},
180 {"M/N-NTSC/PAL-Mono", 0x0478, 0x8020},
181 {"B/G-PAL-A2", 0x0A00, 0x8049},
182 {"B/G-PAL-NICAM", 0x0C04, 0x8049},
183 {"B/G-PAL-MONO", 0x0878, 0x8059},
184 {"I-PAL-NICAM", 0x1080, 0x8009},
185 {"I-PAL-NICAM-MONO", 0x0E78, 0x8009},
186 {"D/K-PAL-A2", 0x1600, 0x8009},
187 {"D/K-PAL-NICAM", 0x0E80, 0x8009},
188 {"D/K-PAL-MONO", 0x1478, 0x8009},
189 {"D/K-SECAM-A2 DK1", 0x1200, 0x8009},
190 {"D/K-SECAM-A2 L/DK3", 0x0E00, 0x8009},
191 {"D/K-SECAM-A2 MONO", 0x1478, 0x8009},
192 {"L-SECAM-NICAM", 0x8E82, 0x0009},
193 {"L'-SECAM-NICAM", 0x8E82, 0x4009},
194 {"DTV6", 0x00C0, 0x8002},
195 {"DTV8", 0x00C0, 0x800B},
196 {"DTV7/8", 0x00C0, 0x801B},
197 {"DTV7", 0x00C0, 0x8007},
198 {"FM Radio-INPUT2", 0x9802, 0x9002},
199 {"FM Radio-INPUT1", 0x0208, 0x9002},
200 {"FM Radio-INPUT1_MONO", 0x0278, 0x9002}
201};
202
203
204struct xc5000_fw_cfg {
205 char *name;
206 u16 size;
207 u16 pll_reg;
208 u8 init_status_supported;
209 u8 fw_checksum_supported;
210};
211
212#define XC5000A_FIRMWARE "dvb-fe-xc5000-1.6.114.fw"
213static const struct xc5000_fw_cfg xc5000a_1_6_114 = {
214 .name = XC5000A_FIRMWARE,
215 .size = 12401,
216 .pll_reg = 0x806c,
217};
218
219#define XC5000C_FIRMWARE "dvb-fe-xc5000c-4.1.30.7.fw"
220static const struct xc5000_fw_cfg xc5000c_41_024_5 = {
221 .name = XC5000C_FIRMWARE,
222 .size = 16497,
223 .pll_reg = 0x13,
224 .init_status_supported = 1,
225 .fw_checksum_supported = 1,
226};
227
228static inline const struct xc5000_fw_cfg *xc5000_assign_firmware(int chip_id)
229{
230 switch (chip_id) {
231 default:
232 case XC5000A:
233 return &xc5000a_1_6_114;
234 case XC5000C:
235 return &xc5000c_41_024_5;
236 }
237}
238
239static int xc_load_fw_and_init_tuner(struct dvb_frontend *fe, int force);
240static int xc5000_is_firmware_loaded(struct dvb_frontend *fe);
241static int xc5000_readreg(struct xc5000_priv *priv, u16 reg, u16 *val);
242static int xc5000_tuner_reset(struct dvb_frontend *fe);
243
244static int xc_send_i2c_data(struct xc5000_priv *priv, u8 *buf, int len)
245{
246 struct i2c_msg msg = { .addr = priv->i2c_props.addr,
247 .flags = 0, .buf = buf, .len = len };
248
249 if (i2c_transfer(priv->i2c_props.adap, &msg, 1) != 1) {
250 printk(KERN_ERR "xc5000: I2C write failed (len=%i)\n", len);
251 return -EREMOTEIO;
252 }
253 return 0;
254}
255
256#if 0
257
258
259
260static int xc_read_i2c_data(struct xc5000_priv *priv, u8 *buf, int len)
261{
262 struct i2c_msg msg = { .addr = priv->i2c_props.addr,
263 .flags = I2C_M_RD, .buf = buf, .len = len };
264
265 if (i2c_transfer(priv->i2c_props.adap, &msg, 1) != 1) {
266 printk(KERN_ERR "xc5000 I2C read failed (len=%i)\n", len);
267 return -EREMOTEIO;
268 }
269 return 0;
270}
271#endif
272
273static int xc5000_readreg(struct xc5000_priv *priv, u16 reg, u16 *val)
274{
275 u8 buf[2] = { reg >> 8, reg & 0xff };
276 u8 bval[2] = { 0, 0 };
277 struct i2c_msg msg[2] = {
278 { .addr = priv->i2c_props.addr,
279 .flags = 0, .buf = &buf[0], .len = 2 },
280 { .addr = priv->i2c_props.addr,
281 .flags = I2C_M_RD, .buf = &bval[0], .len = 2 },
282 };
283
284 if (i2c_transfer(priv->i2c_props.adap, msg, 2) != 2) {
285 printk(KERN_WARNING "xc5000: I2C read failed\n");
286 return -EREMOTEIO;
287 }
288
289 *val = (bval[0] << 8) | bval[1];
290 return 0;
291}
292
293static int xc5000_tuner_reset(struct dvb_frontend *fe)
294{
295 struct xc5000_priv *priv = fe->tuner_priv;
296 int ret;
297
298 dprintk(1, "%s()\n", __func__);
299
300 if (fe->callback) {
301 ret = fe->callback(((fe->dvb) && (fe->dvb->priv)) ?
302 fe->dvb->priv :
303 priv->i2c_props.adap->algo_data,
304 DVB_FRONTEND_COMPONENT_TUNER,
305 XC5000_TUNER_RESET, 0);
306 if (ret) {
307 printk(KERN_ERR "xc5000: reset failed\n");
308 return ret;
309 }
310 } else {
311 printk(KERN_ERR "xc5000: no tuner reset callback function, fatal\n");
312 return -EINVAL;
313 }
314 return 0;
315}
316
317static int xc_write_reg(struct xc5000_priv *priv, u16 reg_addr, u16 i2c_data)
318{
319 u8 buf[4];
320 int watch_dog_timer = 100;
321 int result;
322
323 buf[0] = (reg_addr >> 8) & 0xFF;
324 buf[1] = reg_addr & 0xFF;
325 buf[2] = (i2c_data >> 8) & 0xFF;
326 buf[3] = i2c_data & 0xFF;
327 result = xc_send_i2c_data(priv, buf, 4);
328 if (result == 0) {
329
330 while ((watch_dog_timer > 0) && (result == 0)) {
331 result = xc5000_readreg(priv, XREG_BUSY, (u16 *)buf);
332 if (result == 0) {
333 if ((buf[0] == 0) && (buf[1] == 0)) {
334
335 break;
336 } else {
337 msleep(5);
338 watch_dog_timer--;
339 }
340 }
341 }
342 }
343 if (watch_dog_timer <= 0)
344 result = -EREMOTEIO;
345
346 return result;
347}
348
349static int xc_load_i2c_sequence(struct dvb_frontend *fe, const u8 *i2c_sequence)
350{
351 struct xc5000_priv *priv = fe->tuner_priv;
352
353 int i, nbytes_to_send, result;
354 unsigned int len, pos, index;
355 u8 buf[XC_MAX_I2C_WRITE_LENGTH];
356
357 index = 0;
358 while ((i2c_sequence[index] != 0xFF) ||
359 (i2c_sequence[index + 1] != 0xFF)) {
360 len = i2c_sequence[index] * 256 + i2c_sequence[index+1];
361 if (len == 0x0000) {
362
363 result = xc5000_tuner_reset(fe);
364 index += 2;
365 if (result != 0)
366 return result;
367 } else if (len & 0x8000) {
368
369 msleep(len & 0x7FFF);
370 index += 2;
371 } else {
372
373
374
375 index += 2;
376 buf[0] = i2c_sequence[index];
377 buf[1] = i2c_sequence[index + 1];
378 pos = 2;
379 while (pos < len) {
380 if ((len - pos) > XC_MAX_I2C_WRITE_LENGTH - 2)
381 nbytes_to_send =
382 XC_MAX_I2C_WRITE_LENGTH;
383 else
384 nbytes_to_send = (len - pos + 2);
385 for (i = 2; i < nbytes_to_send; i++) {
386 buf[i] = i2c_sequence[index + pos +
387 i - 2];
388 }
389 result = xc_send_i2c_data(priv, buf,
390 nbytes_to_send);
391
392 if (result != 0)
393 return result;
394
395 pos += nbytes_to_send - 2;
396 }
397 index += len;
398 }
399 }
400 return 0;
401}
402
403static int xc_initialize(struct xc5000_priv *priv)
404{
405 dprintk(1, "%s()\n", __func__);
406 return xc_write_reg(priv, XREG_INIT, 0);
407}
408
409static int xc_set_tv_standard(struct xc5000_priv *priv,
410 u16 video_mode, u16 audio_mode, u8 radio_mode)
411{
412 int ret;
413 dprintk(1, "%s(0x%04x,0x%04x)\n", __func__, video_mode, audio_mode);
414 if (radio_mode) {
415 dprintk(1, "%s() Standard = %s\n",
416 __func__,
417 xc5000_standard[radio_mode].name);
418 } else {
419 dprintk(1, "%s() Standard = %s\n",
420 __func__,
421 xc5000_standard[priv->video_standard].name);
422 }
423
424 ret = xc_write_reg(priv, XREG_VIDEO_MODE, video_mode);
425 if (ret == 0)
426 ret = xc_write_reg(priv, XREG_AUDIO_MODE, audio_mode);
427
428 return ret;
429}
430
431static int xc_set_signal_source(struct xc5000_priv *priv, u16 rf_mode)
432{
433 dprintk(1, "%s(%d) Source = %s\n", __func__, rf_mode,
434 rf_mode == XC_RF_MODE_AIR ? "ANTENNA" : "CABLE");
435
436 if ((rf_mode != XC_RF_MODE_AIR) && (rf_mode != XC_RF_MODE_CABLE)) {
437 rf_mode = XC_RF_MODE_CABLE;
438 printk(KERN_ERR
439 "%s(), Invalid mode, defaulting to CABLE",
440 __func__);
441 }
442 return xc_write_reg(priv, XREG_SIGNALSOURCE, rf_mode);
443}
444
445static const struct dvb_tuner_ops xc5000_tuner_ops;
446
447static int xc_set_rf_frequency(struct xc5000_priv *priv, u32 freq_hz)
448{
449 u16 freq_code;
450
451 dprintk(1, "%s(%u)\n", __func__, freq_hz);
452
453 if ((freq_hz > xc5000_tuner_ops.info.frequency_max_hz) ||
454 (freq_hz < xc5000_tuner_ops.info.frequency_min_hz))
455 return -EINVAL;
456
457 freq_code = (u16)(freq_hz / 15625);
458
459
460
461
462 return xc_write_reg(priv, XREG_FINERFREQ, freq_code);
463}
464
465
466static int xc_set_IF_frequency(struct xc5000_priv *priv, u32 freq_khz)
467{
468 u32 freq_code = (freq_khz * 1024)/1000;
469 dprintk(1, "%s(freq_khz = %d) freq_code = 0x%x\n",
470 __func__, freq_khz, freq_code);
471
472 return xc_write_reg(priv, XREG_IF_OUT, freq_code);
473}
474
475
476static int xc_get_adc_envelope(struct xc5000_priv *priv, u16 *adc_envelope)
477{
478 return xc5000_readreg(priv, XREG_ADC_ENV, adc_envelope);
479}
480
481static int xc_get_frequency_error(struct xc5000_priv *priv, u32 *freq_error_hz)
482{
483 int result;
484 u16 reg_data;
485 u32 tmp;
486
487 result = xc5000_readreg(priv, XREG_FREQ_ERROR, ®_data);
488 if (result != 0)
489 return result;
490
491 tmp = (u32)reg_data;
492 (*freq_error_hz) = (tmp * 15625) / 1000;
493 return result;
494}
495
496static int xc_get_lock_status(struct xc5000_priv *priv, u16 *lock_status)
497{
498 return xc5000_readreg(priv, XREG_LOCK, lock_status);
499}
500
501static int xc_get_version(struct xc5000_priv *priv,
502 u8 *hw_majorversion, u8 *hw_minorversion,
503 u8 *fw_majorversion, u8 *fw_minorversion)
504{
505 u16 data;
506 int result;
507
508 result = xc5000_readreg(priv, XREG_VERSION, &data);
509 if (result != 0)
510 return result;
511
512 (*hw_majorversion) = (data >> 12) & 0x0F;
513 (*hw_minorversion) = (data >> 8) & 0x0F;
514 (*fw_majorversion) = (data >> 4) & 0x0F;
515 (*fw_minorversion) = data & 0x0F;
516
517 return 0;
518}
519
520static int xc_get_buildversion(struct xc5000_priv *priv, u16 *buildrev)
521{
522 return xc5000_readreg(priv, XREG_BUILD, buildrev);
523}
524
525static int xc_get_hsync_freq(struct xc5000_priv *priv, u32 *hsync_freq_hz)
526{
527 u16 reg_data;
528 int result;
529
530 result = xc5000_readreg(priv, XREG_HSYNC_FREQ, ®_data);
531 if (result != 0)
532 return result;
533
534 (*hsync_freq_hz) = ((reg_data & 0x0fff) * 763)/100;
535 return result;
536}
537
538static int xc_get_frame_lines(struct xc5000_priv *priv, u16 *frame_lines)
539{
540 return xc5000_readreg(priv, XREG_FRAME_LINES, frame_lines);
541}
542
543static int xc_get_quality(struct xc5000_priv *priv, u16 *quality)
544{
545 return xc5000_readreg(priv, XREG_QUALITY, quality);
546}
547
548static int xc_get_analogsnr(struct xc5000_priv *priv, u16 *snr)
549{
550 return xc5000_readreg(priv, XREG_SNR, snr);
551}
552
553static int xc_get_totalgain(struct xc5000_priv *priv, u16 *totalgain)
554{
555 return xc5000_readreg(priv, XREG_TOTALGAIN, totalgain);
556}
557
558#define XC_TUNE_ANALOG 0
559#define XC_TUNE_DIGITAL 1
560static int xc_tune_channel(struct xc5000_priv *priv, u32 freq_hz, int mode)
561{
562 dprintk(1, "%s(%u)\n", __func__, freq_hz);
563
564 if (xc_set_rf_frequency(priv, freq_hz) != 0)
565 return -EREMOTEIO;
566
567 return 0;
568}
569
570static int xc_set_xtal(struct dvb_frontend *fe)
571{
572 struct xc5000_priv *priv = fe->tuner_priv;
573 int ret = 0;
574
575 switch (priv->chip_id) {
576 default:
577 case XC5000A:
578
579 break;
580 case XC5000C:
581 switch (priv->xtal_khz) {
582 default:
583 case 32000:
584
585 break;
586 case 31875:
587
588 ret = xc_write_reg(priv, 0x000f, 0x8081);
589 break;
590 }
591 break;
592 }
593 return ret;
594}
595
596static int xc5000_fwupload(struct dvb_frontend *fe,
597 const struct xc5000_fw_cfg *desired_fw,
598 const struct firmware *fw)
599{
600 struct xc5000_priv *priv = fe->tuner_priv;
601 int ret;
602
603
604 dprintk(1, "waiting for firmware upload (%s)...\n",
605 desired_fw->name);
606
607 priv->pll_register_no = desired_fw->pll_reg;
608 priv->init_status_supported = desired_fw->init_status_supported;
609 priv->fw_checksum_supported = desired_fw->fw_checksum_supported;
610
611
612 dprintk(1, "firmware uploading...\n");
613 ret = xc_load_i2c_sequence(fe, fw->data);
614 if (!ret) {
615 ret = xc_set_xtal(fe);
616 dprintk(1, "Firmware upload complete...\n");
617 } else
618 printk(KERN_ERR "xc5000: firmware upload failed...\n");
619
620 return ret;
621}
622
623static void xc_debug_dump(struct xc5000_priv *priv)
624{
625 u16 adc_envelope;
626 u32 freq_error_hz = 0;
627 u16 lock_status;
628 u32 hsync_freq_hz = 0;
629 u16 frame_lines;
630 u16 quality;
631 u16 snr;
632 u16 totalgain;
633 u8 hw_majorversion = 0, hw_minorversion = 0;
634 u8 fw_majorversion = 0, fw_minorversion = 0;
635 u16 fw_buildversion = 0;
636 u16 regval;
637
638
639
640
641
642 msleep(100);
643
644 xc_get_adc_envelope(priv, &adc_envelope);
645 dprintk(1, "*** ADC envelope (0-1023) = %d\n", adc_envelope);
646
647 xc_get_frequency_error(priv, &freq_error_hz);
648 dprintk(1, "*** Frequency error = %d Hz\n", freq_error_hz);
649
650 xc_get_lock_status(priv, &lock_status);
651 dprintk(1, "*** Lock status (0-Wait, 1-Locked, 2-No-signal) = %d\n",
652 lock_status);
653
654 xc_get_version(priv, &hw_majorversion, &hw_minorversion,
655 &fw_majorversion, &fw_minorversion);
656 xc_get_buildversion(priv, &fw_buildversion);
657 dprintk(1, "*** HW: V%d.%d, FW: V %d.%d.%d\n",
658 hw_majorversion, hw_minorversion,
659 fw_majorversion, fw_minorversion, fw_buildversion);
660
661 xc_get_hsync_freq(priv, &hsync_freq_hz);
662 dprintk(1, "*** Horizontal sync frequency = %d Hz\n", hsync_freq_hz);
663
664 xc_get_frame_lines(priv, &frame_lines);
665 dprintk(1, "*** Frame lines = %d\n", frame_lines);
666
667 xc_get_quality(priv, &quality);
668 dprintk(1, "*** Quality (0:<8dB, 7:>56dB) = %d\n", quality & 0x07);
669
670 xc_get_analogsnr(priv, &snr);
671 dprintk(1, "*** Unweighted analog SNR = %d dB\n", snr & 0x3f);
672
673 xc_get_totalgain(priv, &totalgain);
674 dprintk(1, "*** Total gain = %d.%d dB\n", totalgain / 256,
675 (totalgain % 256) * 100 / 256);
676
677 if (priv->pll_register_no) {
678 if (!xc5000_readreg(priv, priv->pll_register_no, ®val))
679 dprintk(1, "*** PLL lock status = 0x%04x\n", regval);
680 }
681}
682
683static int xc5000_tune_digital(struct dvb_frontend *fe)
684{
685 struct xc5000_priv *priv = fe->tuner_priv;
686 int ret;
687 u32 bw = fe->dtv_property_cache.bandwidth_hz;
688
689 ret = xc_set_signal_source(priv, priv->rf_mode);
690 if (ret != 0) {
691 printk(KERN_ERR
692 "xc5000: xc_set_signal_source(%d) failed\n",
693 priv->rf_mode);
694 return -EREMOTEIO;
695 }
696
697 ret = xc_set_tv_standard(priv,
698 xc5000_standard[priv->video_standard].video_mode,
699 xc5000_standard[priv->video_standard].audio_mode, 0);
700 if (ret != 0) {
701 printk(KERN_ERR "xc5000: xc_set_tv_standard failed\n");
702 return -EREMOTEIO;
703 }
704
705 ret = xc_set_IF_frequency(priv, priv->if_khz);
706 if (ret != 0) {
707 printk(KERN_ERR "xc5000: xc_Set_IF_frequency(%d) failed\n",
708 priv->if_khz);
709 return -EIO;
710 }
711
712 dprintk(1, "%s() setting OUTPUT_AMP to 0x%x\n",
713 __func__, priv->output_amp);
714 xc_write_reg(priv, XREG_OUTPUT_AMP, priv->output_amp);
715
716 xc_tune_channel(priv, priv->freq_hz, XC_TUNE_DIGITAL);
717
718 if (debug)
719 xc_debug_dump(priv);
720
721 priv->bandwidth = bw;
722
723 return 0;
724}
725
726static int xc5000_set_digital_params(struct dvb_frontend *fe)
727{
728 int b;
729 struct xc5000_priv *priv = fe->tuner_priv;
730 u32 bw = fe->dtv_property_cache.bandwidth_hz;
731 u32 freq = fe->dtv_property_cache.frequency;
732 u32 delsys = fe->dtv_property_cache.delivery_system;
733
734 if (xc_load_fw_and_init_tuner(fe, 0) != 0) {
735 dprintk(1, "Unable to load firmware and init tuner\n");
736 return -EINVAL;
737 }
738
739 dprintk(1, "%s() frequency=%d (Hz)\n", __func__, freq);
740
741 switch (delsys) {
742 case SYS_ATSC:
743 dprintk(1, "%s() VSB modulation\n", __func__);
744 priv->rf_mode = XC_RF_MODE_AIR;
745 priv->freq_offset = 1750000;
746 priv->video_standard = DTV6;
747 break;
748 case SYS_DVBC_ANNEX_B:
749 dprintk(1, "%s() QAM modulation\n", __func__);
750 priv->rf_mode = XC_RF_MODE_CABLE;
751 priv->freq_offset = 1750000;
752 priv->video_standard = DTV6;
753 break;
754 case SYS_ISDBT:
755
756 if (!bw)
757 bw = 6000000;
758
759
760 case SYS_DMBTH:
761 case SYS_DVBT:
762 case SYS_DVBT2:
763 dprintk(1, "%s() OFDM\n", __func__);
764 switch (bw) {
765 case 6000000:
766 priv->video_standard = DTV6;
767 priv->freq_offset = 1750000;
768 break;
769 case 7000000:
770 priv->video_standard = DTV7;
771 priv->freq_offset = 2250000;
772 break;
773 case 8000000:
774 priv->video_standard = DTV8;
775 priv->freq_offset = 2750000;
776 break;
777 default:
778 printk(KERN_ERR "xc5000 bandwidth not set!\n");
779 return -EINVAL;
780 }
781 priv->rf_mode = XC_RF_MODE_AIR;
782 break;
783 case SYS_DVBC_ANNEX_A:
784 case SYS_DVBC_ANNEX_C:
785 dprintk(1, "%s() QAM modulation\n", __func__);
786 priv->rf_mode = XC_RF_MODE_CABLE;
787 if (bw <= 6000000) {
788 priv->video_standard = DTV6;
789 priv->freq_offset = 1750000;
790 b = 6;
791 } else if (bw <= 7000000) {
792 priv->video_standard = DTV7;
793 priv->freq_offset = 2250000;
794 b = 7;
795 } else {
796 priv->video_standard = DTV7_8;
797 priv->freq_offset = 2750000;
798 b = 8;
799 }
800 dprintk(1, "%s() Bandwidth %dMHz (%d)\n", __func__,
801 b, bw);
802 break;
803 default:
804 printk(KERN_ERR "xc5000: delivery system is not supported!\n");
805 return -EINVAL;
806 }
807
808 priv->freq_hz = freq - priv->freq_offset;
809 priv->mode = V4L2_TUNER_DIGITAL_TV;
810
811 dprintk(1, "%s() frequency=%d (compensated to %d)\n",
812 __func__, freq, priv->freq_hz);
813
814 return xc5000_tune_digital(fe);
815}
816
817static int xc5000_is_firmware_loaded(struct dvb_frontend *fe)
818{
819 struct xc5000_priv *priv = fe->tuner_priv;
820 int ret;
821 u16 id;
822
823 ret = xc5000_readreg(priv, XREG_PRODUCT_ID, &id);
824 if (!ret) {
825 if (id == XC_PRODUCT_ID_FW_NOT_LOADED)
826 ret = -ENOENT;
827 else
828 ret = 0;
829 dprintk(1, "%s() returns id = 0x%x\n", __func__, id);
830 } else {
831 dprintk(1, "%s() returns error %d\n", __func__, ret);
832 }
833
834 return ret;
835}
836
837static void xc5000_config_tv(struct dvb_frontend *fe,
838 struct analog_parameters *params)
839{
840 struct xc5000_priv *priv = fe->tuner_priv;
841
842 dprintk(1, "%s() frequency=%d (in units of 62.5khz)\n",
843 __func__, params->frequency);
844
845
846 priv->rf_mode = params->mode;
847 if (params->mode > XC_RF_MODE_CABLE)
848 priv->rf_mode = XC_RF_MODE_CABLE;
849
850
851 priv->freq_hz = params->frequency * 62500;
852
853
854
855
856 if (params->std & V4L2_STD_MN) {
857
858 priv->video_standard = MN_NTSC_PAL_BTSC;
859 return;
860 }
861
862 if (params->std & V4L2_STD_PAL_BG) {
863
864 priv->video_standard = BG_PAL_NICAM;
865 return;
866 }
867
868 if (params->std & V4L2_STD_PAL_I) {
869
870 priv->video_standard = I_PAL_NICAM;
871 return;
872 }
873
874 if (params->std & V4L2_STD_PAL_DK) {
875
876 priv->video_standard = DK_PAL_NICAM;
877 return;
878 }
879
880 if (params->std & V4L2_STD_SECAM_DK) {
881
882 priv->video_standard = DK_SECAM_A2DK1;
883 return;
884 }
885
886 if (params->std & V4L2_STD_SECAM_L) {
887 priv->video_standard = L_SECAM_NICAM;
888 return;
889 }
890
891 if (params->std & V4L2_STD_SECAM_LC) {
892 priv->video_standard = LC_SECAM_NICAM;
893 return;
894 }
895}
896
897static int xc5000_set_tv_freq(struct dvb_frontend *fe)
898{
899 struct xc5000_priv *priv = fe->tuner_priv;
900 u16 pll_lock_status;
901 int ret;
902
903tune_channel:
904 ret = xc_set_signal_source(priv, priv->rf_mode);
905 if (ret != 0) {
906 printk(KERN_ERR
907 "xc5000: xc_set_signal_source(%d) failed\n",
908 priv->rf_mode);
909 return -EREMOTEIO;
910 }
911
912 ret = xc_set_tv_standard(priv,
913 xc5000_standard[priv->video_standard].video_mode,
914 xc5000_standard[priv->video_standard].audio_mode, 0);
915 if (ret != 0) {
916 printk(KERN_ERR "xc5000: xc_set_tv_standard failed\n");
917 return -EREMOTEIO;
918 }
919
920 xc_write_reg(priv, XREG_OUTPUT_AMP, 0x09);
921
922 xc_tune_channel(priv, priv->freq_hz, XC_TUNE_ANALOG);
923
924 if (debug)
925 xc_debug_dump(priv);
926
927 if (priv->pll_register_no != 0) {
928 msleep(20);
929 ret = xc5000_readreg(priv, priv->pll_register_no,
930 &pll_lock_status);
931 if (ret)
932 return ret;
933 if (pll_lock_status > 63) {
934
935 dprintk(1, "xc5000: PLL not locked (0x%x). Reloading...\n",
936 pll_lock_status);
937 if (xc_load_fw_and_init_tuner(fe, 1) != 0) {
938 printk(KERN_ERR "xc5000: Unable to reload fw\n");
939 return -EREMOTEIO;
940 }
941 goto tune_channel;
942 }
943 }
944
945 return 0;
946}
947
948static int xc5000_config_radio(struct dvb_frontend *fe,
949 struct analog_parameters *params)
950
951{
952 struct xc5000_priv *priv = fe->tuner_priv;
953
954 dprintk(1, "%s() frequency=%d (in units of khz)\n",
955 __func__, params->frequency);
956
957 if (priv->radio_input == XC5000_RADIO_NOT_CONFIGURED) {
958 dprintk(1, "%s() radio input not configured\n", __func__);
959 return -EINVAL;
960 }
961
962 priv->freq_hz = params->frequency * 125 / 2;
963 priv->rf_mode = XC_RF_MODE_AIR;
964
965 return 0;
966}
967
968static int xc5000_set_radio_freq(struct dvb_frontend *fe)
969{
970 struct xc5000_priv *priv = fe->tuner_priv;
971 int ret;
972 u8 radio_input;
973
974 if (priv->radio_input == XC5000_RADIO_FM1)
975 radio_input = FM_RADIO_INPUT1;
976 else if (priv->radio_input == XC5000_RADIO_FM2)
977 radio_input = FM_RADIO_INPUT2;
978 else if (priv->radio_input == XC5000_RADIO_FM1_MONO)
979 radio_input = FM_RADIO_INPUT1_MONO;
980 else {
981 dprintk(1, "%s() unknown radio input %d\n", __func__,
982 priv->radio_input);
983 return -EINVAL;
984 }
985
986 ret = xc_set_tv_standard(priv, xc5000_standard[radio_input].video_mode,
987 xc5000_standard[radio_input].audio_mode, radio_input);
988
989 if (ret != 0) {
990 printk(KERN_ERR "xc5000: xc_set_tv_standard failed\n");
991 return -EREMOTEIO;
992 }
993
994 ret = xc_set_signal_source(priv, priv->rf_mode);
995 if (ret != 0) {
996 printk(KERN_ERR
997 "xc5000: xc_set_signal_source(%d) failed\n",
998 priv->rf_mode);
999 return -EREMOTEIO;
1000 }
1001
1002 if ((priv->radio_input == XC5000_RADIO_FM1) ||
1003 (priv->radio_input == XC5000_RADIO_FM2))
1004 xc_write_reg(priv, XREG_OUTPUT_AMP, 0x09);
1005 else if (priv->radio_input == XC5000_RADIO_FM1_MONO)
1006 xc_write_reg(priv, XREG_OUTPUT_AMP, 0x06);
1007
1008 xc_tune_channel(priv, priv->freq_hz, XC_TUNE_ANALOG);
1009
1010 return 0;
1011}
1012
1013static int xc5000_set_params(struct dvb_frontend *fe)
1014{
1015 struct xc5000_priv *priv = fe->tuner_priv;
1016
1017 if (xc_load_fw_and_init_tuner(fe, 0) != 0) {
1018 dprintk(1, "Unable to load firmware and init tuner\n");
1019 return -EINVAL;
1020 }
1021
1022 switch (priv->mode) {
1023 case V4L2_TUNER_RADIO:
1024 return xc5000_set_radio_freq(fe);
1025 case V4L2_TUNER_ANALOG_TV:
1026 return xc5000_set_tv_freq(fe);
1027 case V4L2_TUNER_DIGITAL_TV:
1028 return xc5000_tune_digital(fe);
1029 }
1030
1031 return 0;
1032}
1033
1034static int xc5000_set_analog_params(struct dvb_frontend *fe,
1035 struct analog_parameters *params)
1036{
1037 struct xc5000_priv *priv = fe->tuner_priv;
1038 int ret;
1039
1040 if (priv->i2c_props.adap == NULL)
1041 return -EINVAL;
1042
1043 switch (params->mode) {
1044 case V4L2_TUNER_RADIO:
1045 ret = xc5000_config_radio(fe, params);
1046 if (ret)
1047 return ret;
1048 break;
1049 case V4L2_TUNER_ANALOG_TV:
1050 xc5000_config_tv(fe, params);
1051 break;
1052 default:
1053 break;
1054 }
1055 priv->mode = params->mode;
1056
1057 return xc5000_set_params(fe);
1058}
1059
1060static int xc5000_get_frequency(struct dvb_frontend *fe, u32 *freq)
1061{
1062 struct xc5000_priv *priv = fe->tuner_priv;
1063 dprintk(1, "%s()\n", __func__);
1064 *freq = priv->freq_hz + priv->freq_offset;
1065 return 0;
1066}
1067
1068static int xc5000_get_if_frequency(struct dvb_frontend *fe, u32 *freq)
1069{
1070 struct xc5000_priv *priv = fe->tuner_priv;
1071 dprintk(1, "%s()\n", __func__);
1072 *freq = priv->if_khz * 1000;
1073 return 0;
1074}
1075
1076static int xc5000_get_bandwidth(struct dvb_frontend *fe, u32 *bw)
1077{
1078 struct xc5000_priv *priv = fe->tuner_priv;
1079 dprintk(1, "%s()\n", __func__);
1080
1081 *bw = priv->bandwidth;
1082 return 0;
1083}
1084
1085static int xc5000_get_status(struct dvb_frontend *fe, u32 *status)
1086{
1087 struct xc5000_priv *priv = fe->tuner_priv;
1088 u16 lock_status = 0;
1089
1090 xc_get_lock_status(priv, &lock_status);
1091
1092 dprintk(1, "%s() lock_status = 0x%08x\n", __func__, lock_status);
1093
1094 *status = lock_status;
1095
1096 return 0;
1097}
1098
1099static int xc_load_fw_and_init_tuner(struct dvb_frontend *fe, int force)
1100{
1101 struct xc5000_priv *priv = fe->tuner_priv;
1102 const struct xc5000_fw_cfg *desired_fw = xc5000_assign_firmware(priv->chip_id);
1103 const struct firmware *fw;
1104 int ret, i;
1105 u16 pll_lock_status;
1106 u16 fw_ck;
1107
1108 cancel_delayed_work(&priv->timer_sleep);
1109
1110 if (!force && xc5000_is_firmware_loaded(fe) == 0)
1111 return 0;
1112
1113 if (!priv->firmware) {
1114 ret = request_firmware(&fw, desired_fw->name,
1115 priv->i2c_props.adap->dev.parent);
1116 if (ret) {
1117 pr_err("xc5000: Upload failed. rc %d\n", ret);
1118 return ret;
1119 }
1120 dprintk(1, "firmware read %zu bytes.\n", fw->size);
1121
1122 if (fw->size != desired_fw->size) {
1123 pr_err("xc5000: Firmware file with incorrect size\n");
1124 release_firmware(fw);
1125 return -EINVAL;
1126 }
1127 priv->firmware = fw;
1128 } else
1129 fw = priv->firmware;
1130
1131
1132 for (i = 0; i < 5; i++) {
1133 if (i)
1134 printk(KERN_CONT " - retrying to upload firmware.\n");
1135
1136 ret = xc5000_fwupload(fe, desired_fw, fw);
1137 if (ret != 0)
1138 goto err;
1139
1140 msleep(20);
1141
1142 if (priv->fw_checksum_supported) {
1143 if (xc5000_readreg(priv, XREG_FW_CHECKSUM, &fw_ck)) {
1144 printk(KERN_ERR
1145 "xc5000: FW checksum reading failed.");
1146 continue;
1147 }
1148
1149 if (!fw_ck) {
1150 printk(KERN_ERR
1151 "xc5000: FW checksum failed = 0x%04x.",
1152 fw_ck);
1153 continue;
1154 }
1155 }
1156
1157
1158 ret = xc_initialize(priv);
1159 if (ret) {
1160 printk(KERN_ERR "xc5000: Can't request self-calibration.");
1161 continue;
1162 }
1163
1164
1165
1166
1167
1168
1169 msleep(100);
1170
1171 if (priv->init_status_supported) {
1172 if (xc5000_readreg(priv, XREG_INIT_STATUS, &fw_ck)) {
1173 printk(KERN_ERR
1174 "xc5000: FW failed reading init status.");
1175 continue;
1176 }
1177
1178 if (!fw_ck) {
1179 printk(KERN_ERR
1180 "xc5000: FW init status failed = 0x%04x.",
1181 fw_ck);
1182 continue;
1183 }
1184 }
1185
1186 if (priv->pll_register_no) {
1187 ret = xc5000_readreg(priv, priv->pll_register_no,
1188 &pll_lock_status);
1189 if (ret)
1190 continue;
1191 if (pll_lock_status > 63) {
1192
1193 printk(KERN_ERR
1194 "xc5000: PLL not running after fwload.");
1195 continue;
1196 }
1197 }
1198
1199
1200 ret = xc_write_reg(priv, XREG_SIGNALSOURCE, XC_RF_MODE_CABLE);
1201 if (!ret)
1202 break;
1203 printk(KERN_ERR "xc5000: can't set to cable mode.");
1204 }
1205
1206err:
1207 if (!ret)
1208 printk(KERN_INFO "xc5000: Firmware %s loaded and running.\n",
1209 desired_fw->name);
1210 else
1211 printk(KERN_CONT " - too many retries. Giving up\n");
1212
1213 return ret;
1214}
1215
1216static void xc5000_do_timer_sleep(struct work_struct *timer_sleep)
1217{
1218 struct xc5000_priv *priv =container_of(timer_sleep, struct xc5000_priv,
1219 timer_sleep.work);
1220 struct dvb_frontend *fe = priv->fe;
1221 int ret;
1222
1223 dprintk(1, "%s()\n", __func__);
1224
1225
1226
1227
1228 ret = xc5000_tuner_reset(fe);
1229 if (ret != 0)
1230 printk(KERN_ERR
1231 "xc5000: %s() unable to shutdown tuner\n",
1232 __func__);
1233}
1234
1235static int xc5000_sleep(struct dvb_frontend *fe)
1236{
1237 struct xc5000_priv *priv = fe->tuner_priv;
1238
1239 dprintk(1, "%s()\n", __func__);
1240
1241
1242 if (no_poweroff)
1243 return 0;
1244
1245 schedule_delayed_work(&priv->timer_sleep,
1246 msecs_to_jiffies(XC5000_SLEEP_TIME));
1247
1248 return 0;
1249}
1250
1251static int xc5000_suspend(struct dvb_frontend *fe)
1252{
1253 struct xc5000_priv *priv = fe->tuner_priv;
1254 int ret;
1255
1256 dprintk(1, "%s()\n", __func__);
1257
1258 cancel_delayed_work(&priv->timer_sleep);
1259
1260 ret = xc5000_tuner_reset(fe);
1261 if (ret != 0)
1262 printk(KERN_ERR
1263 "xc5000: %s() unable to shutdown tuner\n",
1264 __func__);
1265
1266 return 0;
1267}
1268
1269static int xc5000_resume(struct dvb_frontend *fe)
1270{
1271 struct xc5000_priv *priv = fe->tuner_priv;
1272
1273 dprintk(1, "%s()\n", __func__);
1274
1275
1276
1277 if (!priv->firmware)
1278 return 0;
1279
1280 return xc5000_set_params(fe);
1281}
1282
1283static int xc5000_init(struct dvb_frontend *fe)
1284{
1285 struct xc5000_priv *priv = fe->tuner_priv;
1286 dprintk(1, "%s()\n", __func__);
1287
1288 if (xc_load_fw_and_init_tuner(fe, 0) != 0) {
1289 printk(KERN_ERR "xc5000: Unable to initialise tuner\n");
1290 return -EREMOTEIO;
1291 }
1292
1293 if (debug)
1294 xc_debug_dump(priv);
1295
1296 return 0;
1297}
1298
1299static void xc5000_release(struct dvb_frontend *fe)
1300{
1301 struct xc5000_priv *priv = fe->tuner_priv;
1302
1303 dprintk(1, "%s()\n", __func__);
1304
1305 mutex_lock(&xc5000_list_mutex);
1306
1307 if (priv) {
1308 cancel_delayed_work(&priv->timer_sleep);
1309 if (priv->firmware) {
1310 release_firmware(priv->firmware);
1311 priv->firmware = NULL;
1312 }
1313 hybrid_tuner_release_state(priv);
1314 }
1315
1316 mutex_unlock(&xc5000_list_mutex);
1317
1318 fe->tuner_priv = NULL;
1319}
1320
1321static int xc5000_set_config(struct dvb_frontend *fe, void *priv_cfg)
1322{
1323 struct xc5000_priv *priv = fe->tuner_priv;
1324 struct xc5000_config *p = priv_cfg;
1325
1326 dprintk(1, "%s()\n", __func__);
1327
1328 if (p->if_khz)
1329 priv->if_khz = p->if_khz;
1330
1331 if (p->radio_input)
1332 priv->radio_input = p->radio_input;
1333
1334 if (p->output_amp)
1335 priv->output_amp = p->output_amp;
1336
1337 return 0;
1338}
1339
1340
1341static const struct dvb_tuner_ops xc5000_tuner_ops = {
1342 .info = {
1343 .name = "Xceive XC5000",
1344 .frequency_min_hz = 1 * MHz,
1345 .frequency_max_hz = 1023 * MHz,
1346 .frequency_step_hz = 50 * kHz,
1347 },
1348
1349 .release = xc5000_release,
1350 .init = xc5000_init,
1351 .sleep = xc5000_sleep,
1352 .suspend = xc5000_suspend,
1353 .resume = xc5000_resume,
1354
1355 .set_config = xc5000_set_config,
1356 .set_params = xc5000_set_digital_params,
1357 .set_analog_params = xc5000_set_analog_params,
1358 .get_frequency = xc5000_get_frequency,
1359 .get_if_frequency = xc5000_get_if_frequency,
1360 .get_bandwidth = xc5000_get_bandwidth,
1361 .get_status = xc5000_get_status
1362};
1363
1364struct dvb_frontend *xc5000_attach(struct dvb_frontend *fe,
1365 struct i2c_adapter *i2c,
1366 const struct xc5000_config *cfg)
1367{
1368 struct xc5000_priv *priv = NULL;
1369 int instance;
1370 u16 id = 0;
1371
1372 dprintk(1, "%s(%d-%04x)\n", __func__,
1373 i2c ? i2c_adapter_id(i2c) : -1,
1374 cfg ? cfg->i2c_address : -1);
1375
1376 mutex_lock(&xc5000_list_mutex);
1377
1378 instance = hybrid_tuner_request_state(struct xc5000_priv, priv,
1379 hybrid_tuner_instance_list,
1380 i2c, cfg->i2c_address, "xc5000");
1381 switch (instance) {
1382 case 0:
1383 goto fail;
1384 case 1:
1385
1386 priv->bandwidth = 6000000;
1387 fe->tuner_priv = priv;
1388 priv->fe = fe;
1389 INIT_DELAYED_WORK(&priv->timer_sleep, xc5000_do_timer_sleep);
1390 break;
1391 default:
1392
1393 fe->tuner_priv = priv;
1394 break;
1395 }
1396
1397 if (priv->if_khz == 0) {
1398
1399
1400
1401 priv->if_khz = cfg->if_khz;
1402 }
1403
1404 if (priv->xtal_khz == 0)
1405 priv->xtal_khz = cfg->xtal_khz;
1406
1407 if (priv->radio_input == 0)
1408 priv->radio_input = cfg->radio_input;
1409
1410
1411
1412 if ((priv->chip_id == 0) || (cfg->chip_id))
1413
1414
1415 priv->chip_id = (cfg->chip_id) ? cfg->chip_id : 0;
1416
1417
1418
1419 if ((priv->output_amp == 0) || (cfg->output_amp))
1420
1421 priv->output_amp = (cfg->output_amp) ? cfg->output_amp : 0x8a;
1422
1423
1424
1425
1426 if (xc5000_readreg(priv, XREG_PRODUCT_ID, &id) != 0)
1427 goto fail;
1428
1429 switch (id) {
1430 case XC_PRODUCT_ID_FW_LOADED:
1431 printk(KERN_INFO
1432 "xc5000: Successfully identified at address 0x%02x\n",
1433 cfg->i2c_address);
1434 printk(KERN_INFO
1435 "xc5000: Firmware has been loaded previously\n");
1436 break;
1437 case XC_PRODUCT_ID_FW_NOT_LOADED:
1438 printk(KERN_INFO
1439 "xc5000: Successfully identified at address 0x%02x\n",
1440 cfg->i2c_address);
1441 printk(KERN_INFO
1442 "xc5000: Firmware has not been loaded previously\n");
1443 break;
1444 default:
1445 printk(KERN_ERR
1446 "xc5000: Device not found at addr 0x%02x (0x%x)\n",
1447 cfg->i2c_address, id);
1448 goto fail;
1449 }
1450
1451 mutex_unlock(&xc5000_list_mutex);
1452
1453 memcpy(&fe->ops.tuner_ops, &xc5000_tuner_ops,
1454 sizeof(struct dvb_tuner_ops));
1455
1456 return fe;
1457fail:
1458 mutex_unlock(&xc5000_list_mutex);
1459
1460 xc5000_release(fe);
1461 return NULL;
1462}
1463EXPORT_SYMBOL(xc5000_attach);
1464
1465MODULE_AUTHOR("Steven Toth");
1466MODULE_DESCRIPTION("Xceive xc5000 silicon tuner driver");
1467MODULE_LICENSE("GPL");
1468MODULE_FIRMWARE(XC5000A_FIRMWARE);
1469MODULE_FIRMWARE(XC5000C_FIRMWARE);
1470
