diff options
author | Steven Toth <stoth@linuxtv.org> | 2008-10-16 19:28:32 -0400 |
---|---|---|
committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2008-10-17 16:27:56 -0400 |
commit | 93504abfeb63397e2efe027f1c906e8e0ba8e57a (patch) | |
tree | 97a8eeb5879f0cf5f4c8d1fbfd145695e5b6d93b /drivers/media/dvb | |
parent | b431c61642c086e93eec5198b974119f576481eb (diff) |
V4L/DVB (9260): cx24123: Checkpatch compliance
cx24123: Checkpatch compliance
Signed-off-by: Steven Toth <stoth@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/dvb')
-rw-r--r-- | drivers/media/dvb/frontends/cx24123.c | 228 | ||||
-rw-r--r-- | drivers/media/dvb/frontends/cx24123.h | 10 |
2 files changed, 133 insertions, 105 deletions
diff --git a/drivers/media/dvb/frontends/cx24123.c b/drivers/media/dvb/frontends/cx24123.c index 7156157cb34b..1a8c36f76061 100644 --- a/drivers/media/dvb/frontends/cx24123.c +++ b/drivers/media/dvb/frontends/cx24123.c | |||
@@ -33,7 +33,13 @@ | |||
33 | #define XTAL 10111000 | 33 | #define XTAL 10111000 |
34 | 34 | ||
35 | static int force_band; | 35 | static int force_band; |
36 | module_param(force_band, int, 0644); | ||
37 | MODULE_PARM_DESC(force_band, "Force a specific band select "\ | ||
38 | "(1-9, default:off)."); | ||
39 | |||
36 | static int debug; | 40 | static int debug; |
41 | module_param(debug, int, 0644); | ||
42 | MODULE_PARM_DESC(debug, "Activates frontend debugging (default:0)"); | ||
37 | 43 | ||
38 | #define info(args...) do { printk(KERN_INFO "CX24123: " args); } while (0) | 44 | #define info(args...) do { printk(KERN_INFO "CX24123: " args); } while (0) |
39 | #define err(args...) do { printk(KERN_ERR "CX24123: " args); } while (0) | 45 | #define err(args...) do { printk(KERN_ERR "CX24123: " args); } while (0) |
@@ -46,10 +52,9 @@ static int debug; | |||
46 | } \ | 52 | } \ |
47 | } while (0) | 53 | } while (0) |
48 | 54 | ||
49 | struct cx24123_state | 55 | struct cx24123_state { |
50 | { | 56 | struct i2c_adapter *i2c; |
51 | struct i2c_adapter* i2c; | 57 | const struct cx24123_config *config; |
52 | const struct cx24123_config* config; | ||
53 | 58 | ||
54 | struct dvb_frontend frontend; | 59 | struct dvb_frontend frontend; |
55 | 60 | ||
@@ -70,8 +75,7 @@ struct cx24123_state | |||
70 | }; | 75 | }; |
71 | 76 | ||
72 | /* Various tuner defaults need to be established for a given symbol rate Sps */ | 77 | /* Various tuner defaults need to be established for a given symbol rate Sps */ |
73 | static struct | 78 | static struct cx24123_AGC_val { |
74 | { | ||
75 | u32 symbolrate_low; | 79 | u32 symbolrate_low; |
76 | u32 symbolrate_high; | 80 | u32 symbolrate_high; |
77 | u32 VCAprogdata; | 81 | u32 VCAprogdata; |
@@ -109,8 +113,7 @@ static struct | |||
109 | * fixme: The bounds on the bands do not match the doc in real life. | 113 | * fixme: The bounds on the bands do not match the doc in real life. |
110 | * fixme: Some of them have been moved, other might need adjustment. | 114 | * fixme: Some of them have been moved, other might need adjustment. |
111 | */ | 115 | */ |
112 | static struct | 116 | static struct cx24123_bandselect_val { |
113 | { | ||
114 | u32 freq_low; | 117 | u32 freq_low; |
115 | u32 freq_high; | 118 | u32 freq_high; |
116 | u32 VCOdivider; | 119 | u32 VCOdivider; |
@@ -249,7 +252,8 @@ static int cx24123_i2c_writereg(struct cx24123_state *state, | |||
249 | 252 | ||
250 | /* printk(KERN_DEBUG "wr(%02x): %02x %02x\n", i2c_addr, reg, data); */ | 253 | /* printk(KERN_DEBUG "wr(%02x): %02x %02x\n", i2c_addr, reg, data); */ |
251 | 254 | ||
252 | if ((err = i2c_transfer(state->i2c, &msg, 1)) != 1) { | 255 | err = i2c_transfer(state->i2c, &msg, 1); |
256 | if (err != 1) { | ||
253 | printk("%s: writereg error(err == %i, reg == 0x%02x," | 257 | printk("%s: writereg error(err == %i, reg == 0x%02x," |
254 | " data == 0x%02x)\n", __func__, err, reg, data); | 258 | " data == 0x%02x)\n", __func__, err, reg, data); |
255 | return err; | 259 | return err; |
@@ -284,7 +288,8 @@ static int cx24123_i2c_readreg(struct cx24123_state *state, u8 i2c_addr, u8 reg) | |||
284 | #define cx24123_writereg(state, reg, val) \ | 288 | #define cx24123_writereg(state, reg, val) \ |
285 | cx24123_i2c_writereg(state, state->config->demod_address, reg, val) | 289 | cx24123_i2c_writereg(state, state->config->demod_address, reg, val) |
286 | 290 | ||
287 | static int cx24123_set_inversion(struct cx24123_state* state, fe_spectral_inversion_t inversion) | 291 | static int cx24123_set_inversion(struct cx24123_state *state, |
292 | fe_spectral_inversion_t inversion) | ||
288 | { | 293 | { |
289 | u8 nom_reg = cx24123_readreg(state, 0x0e); | 294 | u8 nom_reg = cx24123_readreg(state, 0x0e); |
290 | u8 auto_reg = cx24123_readreg(state, 0x10); | 295 | u8 auto_reg = cx24123_readreg(state, 0x10); |
@@ -311,7 +316,8 @@ static int cx24123_set_inversion(struct cx24123_state* state, fe_spectral_invers | |||
311 | return 0; | 316 | return 0; |
312 | } | 317 | } |
313 | 318 | ||
314 | static int cx24123_get_inversion(struct cx24123_state* state, fe_spectral_inversion_t *inversion) | 319 | static int cx24123_get_inversion(struct cx24123_state *state, |
320 | fe_spectral_inversion_t *inversion) | ||
315 | { | 321 | { |
316 | u8 val; | 322 | u8 val; |
317 | 323 | ||
@@ -328,18 +334,20 @@ static int cx24123_get_inversion(struct cx24123_state* state, fe_spectral_invers | |||
328 | return 0; | 334 | return 0; |
329 | } | 335 | } |
330 | 336 | ||
331 | static int cx24123_set_fec(struct cx24123_state* state, fe_code_rate_t fec) | 337 | static int cx24123_set_fec(struct cx24123_state *state, fe_code_rate_t fec) |
332 | { | 338 | { |
333 | u8 nom_reg = cx24123_readreg(state, 0x0e) & ~0x07; | 339 | u8 nom_reg = cx24123_readreg(state, 0x0e) & ~0x07; |
334 | 340 | ||
335 | if ( (fec < FEC_NONE) || (fec > FEC_AUTO) ) | 341 | if ((fec < FEC_NONE) || (fec > FEC_AUTO)) |
336 | fec = FEC_AUTO; | 342 | fec = FEC_AUTO; |
337 | 343 | ||
338 | /* Set the soft decision threshold */ | 344 | /* Set the soft decision threshold */ |
339 | if(fec == FEC_1_2) | 345 | if (fec == FEC_1_2) |
340 | cx24123_writereg(state, 0x43, cx24123_readreg(state, 0x43) | 0x01); | 346 | cx24123_writereg(state, 0x43, |
347 | cx24123_readreg(state, 0x43) | 0x01); | ||
341 | else | 348 | else |
342 | cx24123_writereg(state, 0x43, cx24123_readreg(state, 0x43) & ~0x01); | 349 | cx24123_writereg(state, 0x43, |
350 | cx24123_readreg(state, 0x43) & ~0x01); | ||
343 | 351 | ||
344 | switch (fec) { | 352 | switch (fec) { |
345 | case FEC_1_2: | 353 | case FEC_1_2: |
@@ -388,11 +396,11 @@ static int cx24123_set_fec(struct cx24123_state* state, fe_code_rate_t fec) | |||
388 | return 0; | 396 | return 0; |
389 | } | 397 | } |
390 | 398 | ||
391 | static int cx24123_get_fec(struct cx24123_state* state, fe_code_rate_t *fec) | 399 | static int cx24123_get_fec(struct cx24123_state *state, fe_code_rate_t *fec) |
392 | { | 400 | { |
393 | int ret; | 401 | int ret; |
394 | 402 | ||
395 | ret = cx24123_readreg (state, 0x1b); | 403 | ret = cx24123_readreg(state, 0x1b); |
396 | if (ret < 0) | 404 | if (ret < 0) |
397 | return ret; | 405 | return ret; |
398 | ret = ret & 0x07; | 406 | ret = ret & 0x07; |
@@ -433,16 +441,16 @@ static u32 cx24123_int_log2(u32 a, u32 b) | |||
433 | { | 441 | { |
434 | u32 exp, nearest = 0; | 442 | u32 exp, nearest = 0; |
435 | u32 div = a / b; | 443 | u32 div = a / b; |
436 | if(a % b >= b / 2) ++div; | 444 | if (a % b >= b / 2) |
437 | if(div < (1 << 31)) | 445 | ++div; |
438 | { | 446 | if (div < (1 << 31)) { |
439 | for(exp = 1; div > exp; nearest++) | 447 | for (exp = 1; div > exp; nearest++) |
440 | exp += exp; | 448 | exp += exp; |
441 | } | 449 | } |
442 | return nearest; | 450 | return nearest; |
443 | } | 451 | } |
444 | 452 | ||
445 | static int cx24123_set_symbolrate(struct cx24123_state* state, u32 srate) | 453 | static int cx24123_set_symbolrate(struct cx24123_state *state, u32 srate) |
446 | { | 454 | { |
447 | u32 tmp, sample_rate, ratio, sample_gain; | 455 | u32 tmp, sample_rate, ratio, sample_gain; |
448 | u8 pll_mult; | 456 | u8 pll_mult; |
@@ -498,9 +506,9 @@ static int cx24123_set_symbolrate(struct cx24123_state* state, u32 srate) | |||
498 | 506 | ||
499 | cx24123_writereg(state, 0x01, pll_mult * 6); | 507 | cx24123_writereg(state, 0x01, pll_mult * 6); |
500 | 508 | ||
501 | cx24123_writereg(state, 0x08, (ratio >> 16) & 0x3f ); | 509 | cx24123_writereg(state, 0x08, (ratio >> 16) & 0x3f); |
502 | cx24123_writereg(state, 0x09, (ratio >> 8) & 0xff ); | 510 | cx24123_writereg(state, 0x09, (ratio >> 8) & 0xff); |
503 | cx24123_writereg(state, 0x0a, (ratio ) & 0xff ); | 511 | cx24123_writereg(state, 0x0a, ratio & 0xff); |
504 | 512 | ||
505 | /* also set the demodulator sample gain */ | 513 | /* also set the demodulator sample gain */ |
506 | sample_gain = cx24123_int_log2(sample_rate, srate); | 514 | sample_gain = cx24123_int_log2(sample_rate, srate); |
@@ -514,10 +522,12 @@ static int cx24123_set_symbolrate(struct cx24123_state* state, u32 srate) | |||
514 | } | 522 | } |
515 | 523 | ||
516 | /* | 524 | /* |
517 | * Based on the required frequency and symbolrate, the tuner AGC has to be configured | 525 | * Based on the required frequency and symbolrate, the tuner AGC has |
518 | * and the correct band selected. Calculate those values | 526 | * to be configured and the correct band selected. |
527 | * Calculate those values. | ||
519 | */ | 528 | */ |
520 | static int cx24123_pll_calculate(struct dvb_frontend* fe, struct dvb_frontend_parameters *p) | 529 | static int cx24123_pll_calculate(struct dvb_frontend *fe, |
530 | struct dvb_frontend_parameters *p) | ||
521 | { | 531 | { |
522 | struct cx24123_state *state = fe->demodulator_priv; | 532 | struct cx24123_state *state = fe->demodulator_priv; |
523 | u32 ndiv = 0, adiv = 0, vco_div = 0; | 533 | u32 ndiv = 0, adiv = 0, vco_div = 0; |
@@ -525,6 +535,8 @@ static int cx24123_pll_calculate(struct dvb_frontend* fe, struct dvb_frontend_pa | |||
525 | int pump = 2; | 535 | int pump = 2; |
526 | int band = 0; | 536 | int band = 0; |
527 | int num_bands = ARRAY_SIZE(cx24123_bandselect_vals); | 537 | int num_bands = ARRAY_SIZE(cx24123_bandselect_vals); |
538 | struct cx24123_bandselect_val *bsv = NULL; | ||
539 | struct cx24123_AGC_val *agcv = NULL; | ||
528 | 540 | ||
529 | /* Defaults for low freq, low rate */ | 541 | /* Defaults for low freq, low rate */ |
530 | state->VCAarg = cx24123_AGC_vals[0].VCAprogdata; | 542 | state->VCAarg = cx24123_AGC_vals[0].VCAprogdata; |
@@ -532,58 +544,65 @@ static int cx24123_pll_calculate(struct dvb_frontend* fe, struct dvb_frontend_pa | |||
532 | state->bandselectarg = cx24123_bandselect_vals[0].progdata; | 544 | state->bandselectarg = cx24123_bandselect_vals[0].progdata; |
533 | vco_div = cx24123_bandselect_vals[0].VCOdivider; | 545 | vco_div = cx24123_bandselect_vals[0].VCOdivider; |
534 | 546 | ||
535 | /* For the given symbol rate, determine the VCA, VGA and FILTUNE programming bits */ | 547 | /* For the given symbol rate, determine the VCA, VGA and |
536 | for (i = 0; i < ARRAY_SIZE(cx24123_AGC_vals); i++) | 548 | * FILTUNE programming bits */ |
537 | { | 549 | for (i = 0; i < ARRAY_SIZE(cx24123_AGC_vals); i++) { |
538 | if ((cx24123_AGC_vals[i].symbolrate_low <= p->u.qpsk.symbol_rate) && | 550 | agcv = &cx24123_AGC_vals[i]; |
539 | (cx24123_AGC_vals[i].symbolrate_high >= p->u.qpsk.symbol_rate) ) { | 551 | if ((agcv->symbolrate_low <= p->u.qpsk.symbol_rate) && |
540 | state->VCAarg = cx24123_AGC_vals[i].VCAprogdata; | 552 | (agcv->symbolrate_high >= p->u.qpsk.symbol_rate)) { |
541 | state->VGAarg = cx24123_AGC_vals[i].VGAprogdata; | 553 | state->VCAarg = agcv->VCAprogdata; |
542 | state->FILTune = cx24123_AGC_vals[i].FILTune; | 554 | state->VGAarg = agcv->VGAprogdata; |
555 | state->FILTune = agcv->FILTune; | ||
543 | } | 556 | } |
544 | } | 557 | } |
545 | 558 | ||
546 | /* determine the band to use */ | 559 | /* determine the band to use */ |
547 | if(force_band < 1 || force_band > num_bands) | 560 | if (force_band < 1 || force_band > num_bands) { |
548 | { | 561 | for (i = 0; i < num_bands; i++) { |
549 | for (i = 0; i < num_bands; i++) | 562 | bsv = &cx24123_bandselect_vals[i]; |
550 | { | 563 | if ((bsv->freq_low <= p->frequency) && |
551 | if ((cx24123_bandselect_vals[i].freq_low <= p->frequency) && | 564 | (bsv->freq_high >= p->frequency)) |
552 | (cx24123_bandselect_vals[i].freq_high >= p->frequency) ) | ||
553 | band = i; | 565 | band = i; |
554 | } | 566 | } |
555 | } | 567 | } else |
556 | else | ||
557 | band = force_band - 1; | 568 | band = force_band - 1; |
558 | 569 | ||
559 | state->bandselectarg = cx24123_bandselect_vals[band].progdata; | 570 | state->bandselectarg = cx24123_bandselect_vals[band].progdata; |
560 | vco_div = cx24123_bandselect_vals[band].VCOdivider; | 571 | vco_div = cx24123_bandselect_vals[band].VCOdivider; |
561 | 572 | ||
562 | /* determine the charge pump current */ | 573 | /* determine the charge pump current */ |
563 | if ( p->frequency < (cx24123_bandselect_vals[band].freq_low + cx24123_bandselect_vals[band].freq_high)/2 ) | 574 | if (p->frequency < (cx24123_bandselect_vals[band].freq_low + |
575 | cx24123_bandselect_vals[band].freq_high) / 2) | ||
564 | pump = 0x01; | 576 | pump = 0x01; |
565 | else | 577 | else |
566 | pump = 0x02; | 578 | pump = 0x02; |
567 | 579 | ||
568 | /* Determine the N/A dividers for the requested lband freq (in kHz). */ | 580 | /* Determine the N/A dividers for the requested lband freq (in kHz). */ |
569 | /* Note: the reference divider R=10, frequency is in KHz, XTAL is in Hz */ | 581 | /* Note: the reference divider R=10, frequency is in KHz, |
570 | ndiv = ( ((p->frequency * vco_div * 10) / (2 * XTAL / 1000)) / 32) & 0x1ff; | 582 | * XTAL is in Hz */ |
571 | adiv = ( ((p->frequency * vco_div * 10) / (2 * XTAL / 1000)) % 32) & 0x1f; | 583 | ndiv = (((p->frequency * vco_div * 10) / |
584 | (2 * XTAL / 1000)) / 32) & 0x1ff; | ||
585 | adiv = (((p->frequency * vco_div * 10) / | ||
586 | (2 * XTAL / 1000)) % 32) & 0x1f; | ||
572 | 587 | ||
573 | if (adiv == 0 && ndiv > 0) | 588 | if (adiv == 0 && ndiv > 0) |
574 | ndiv--; | 589 | ndiv--; |
575 | 590 | ||
576 | /* control bits 11, refdiv 11, charge pump polarity 1, charge pump current, ndiv, adiv */ | 591 | /* control bits 11, refdiv 11, charge pump polarity 1, |
577 | state->pllarg = (3 << 19) | (3 << 17) | (1 << 16) | (pump << 14) | (ndiv << 5) | adiv; | 592 | * charge pump current, ndiv, adiv */ |
593 | state->pllarg = (3 << 19) | (3 << 17) | (1 << 16) | | ||
594 | (pump << 14) | (ndiv << 5) | adiv; | ||
578 | 595 | ||
579 | return 0; | 596 | return 0; |
580 | } | 597 | } |
581 | 598 | ||
582 | /* | 599 | /* |
583 | * Tuner data is 21 bits long, must be left-aligned in data. | 600 | * Tuner data is 21 bits long, must be left-aligned in data. |
584 | * Tuner cx24109 is written through a dedicated 3wire interface on the demod chip. | 601 | * Tuner cx24109 is written through a dedicated 3wire interface |
602 | * on the demod chip. | ||
585 | */ | 603 | */ |
586 | static int cx24123_pll_writereg(struct dvb_frontend* fe, struct dvb_frontend_parameters *p, u32 data) | 604 | static int cx24123_pll_writereg(struct dvb_frontend *fe, |
605 | struct dvb_frontend_parameters *p, u32 data) | ||
587 | { | 606 | { |
588 | struct cx24123_state *state = fe->demodulator_priv; | 607 | struct cx24123_state *state = fe->demodulator_priv; |
589 | unsigned long timeout; | 608 | unsigned long timeout; |
@@ -610,7 +629,7 @@ static int cx24123_pll_writereg(struct dvb_frontend* fe, struct dvb_frontend_par | |||
610 | 629 | ||
611 | /* send another 8 bytes, wait for the send to be completed */ | 630 | /* send another 8 bytes, wait for the send to be completed */ |
612 | timeout = jiffies + msecs_to_jiffies(40); | 631 | timeout = jiffies + msecs_to_jiffies(40); |
613 | cx24123_writereg(state, 0x22, (data>>8) & 0xff ); | 632 | cx24123_writereg(state, 0x22, (data >> 8) & 0xff); |
614 | while ((cx24123_readreg(state, 0x20) & 0x40) == 0) { | 633 | while ((cx24123_readreg(state, 0x20) & 0x40) == 0) { |
615 | if (time_after(jiffies, timeout)) { | 634 | if (time_after(jiffies, timeout)) { |
616 | err("%s: demodulator is not responding, "\ | 635 | err("%s: demodulator is not responding, "\ |
@@ -620,9 +639,10 @@ static int cx24123_pll_writereg(struct dvb_frontend* fe, struct dvb_frontend_par | |||
620 | msleep(10); | 639 | msleep(10); |
621 | } | 640 | } |
622 | 641 | ||
623 | /* send the lower 5 bits of this byte, padded with 3 LBB, wait for the send to be completed */ | 642 | /* send the lower 5 bits of this byte, padded with 3 LBB, |
643 | * wait for the send to be completed */ | ||
624 | timeout = jiffies + msecs_to_jiffies(40); | 644 | timeout = jiffies + msecs_to_jiffies(40); |
625 | cx24123_writereg(state, 0x22, (data) & 0xff ); | 645 | cx24123_writereg(state, 0x22, (data) & 0xff); |
626 | while ((cx24123_readreg(state, 0x20) & 0x80)) { | 646 | while ((cx24123_readreg(state, 0x20) & 0x80)) { |
627 | if (time_after(jiffies, timeout)) { | 647 | if (time_after(jiffies, timeout)) { |
628 | err("%s: demodulator is not responding," \ | 648 | err("%s: demodulator is not responding," \ |
@@ -639,7 +659,8 @@ static int cx24123_pll_writereg(struct dvb_frontend* fe, struct dvb_frontend_par | |||
639 | return 0; | 659 | return 0; |
640 | } | 660 | } |
641 | 661 | ||
642 | static int cx24123_pll_tune(struct dvb_frontend* fe, struct dvb_frontend_parameters *p) | 662 | static int cx24123_pll_tune(struct dvb_frontend *fe, |
663 | struct dvb_frontend_parameters *p) | ||
643 | { | 664 | { |
644 | struct cx24123_state *state = fe->demodulator_priv; | 665 | struct cx24123_state *state = fe->demodulator_priv; |
645 | u8 val; | 666 | u8 val; |
@@ -690,7 +711,7 @@ static int cx24123_repeater_mode(struct cx24123_state *state, u8 mode, u8 start) | |||
690 | return cx24123_writereg(state, 0x23, r); | 711 | return cx24123_writereg(state, 0x23, r); |
691 | } | 712 | } |
692 | 713 | ||
693 | static int cx24123_initfe(struct dvb_frontend* fe) | 714 | static int cx24123_initfe(struct dvb_frontend *fe) |
694 | { | 715 | { |
695 | struct cx24123_state *state = fe->demodulator_priv; | 716 | struct cx24123_state *state = fe->demodulator_priv; |
696 | int i; | 717 | int i; |
@@ -699,19 +720,22 @@ static int cx24123_initfe(struct dvb_frontend* fe) | |||
699 | 720 | ||
700 | /* Configure the demod to a good set of defaults */ | 721 | /* Configure the demod to a good set of defaults */ |
701 | for (i = 0; i < ARRAY_SIZE(cx24123_regdata); i++) | 722 | for (i = 0; i < ARRAY_SIZE(cx24123_regdata); i++) |
702 | cx24123_writereg(state, cx24123_regdata[i].reg, cx24123_regdata[i].data); | 723 | cx24123_writereg(state, cx24123_regdata[i].reg, |
724 | cx24123_regdata[i].data); | ||
703 | 725 | ||
704 | /* Set the LNB polarity */ | 726 | /* Set the LNB polarity */ |
705 | if(state->config->lnb_polarity) | 727 | if (state->config->lnb_polarity) |
706 | cx24123_writereg(state, 0x32, cx24123_readreg(state, 0x32) | 0x02); | 728 | cx24123_writereg(state, 0x32, |
729 | cx24123_readreg(state, 0x32) | 0x02); | ||
707 | 730 | ||
708 | if (state->config->dont_use_pll) | 731 | if (state->config->dont_use_pll) |
709 | cx24123_repeater_mode(state, 1, 0); | 732 | cx24123_repeater_mode(state, 1, 0); |
710 | 733 | ||
711 | return 0; | 734 | return 0; |
712 | } | 735 | } |
713 | 736 | ||
714 | static int cx24123_set_voltage(struct dvb_frontend* fe, fe_sec_voltage_t voltage) | 737 | static int cx24123_set_voltage(struct dvb_frontend *fe, |
738 | fe_sec_voltage_t voltage) | ||
715 | { | 739 | { |
716 | struct cx24123_state *state = fe->demodulator_priv; | 740 | struct cx24123_state *state = fe->demodulator_priv; |
717 | u8 val; | 741 | u8 val; |
@@ -740,7 +764,7 @@ static void cx24123_wait_for_diseqc(struct cx24123_state *state) | |||
740 | { | 764 | { |
741 | unsigned long timeout = jiffies + msecs_to_jiffies(200); | 765 | unsigned long timeout = jiffies + msecs_to_jiffies(200); |
742 | while (!(cx24123_readreg(state, 0x29) & 0x40)) { | 766 | while (!(cx24123_readreg(state, 0x29) & 0x40)) { |
743 | if(time_after(jiffies, timeout)) { | 767 | if (time_after(jiffies, timeout)) { |
744 | err("%s: diseqc queue not ready, " \ | 768 | err("%s: diseqc queue not ready, " \ |
745 | "command may be lost.\n", __func__); | 769 | "command may be lost.\n", __func__); |
746 | break; | 770 | break; |
@@ -749,7 +773,8 @@ static void cx24123_wait_for_diseqc(struct cx24123_state *state) | |||
749 | } | 773 | } |
750 | } | 774 | } |
751 | 775 | ||
752 | static int cx24123_send_diseqc_msg(struct dvb_frontend* fe, struct dvb_diseqc_master_cmd *cmd) | 776 | static int cx24123_send_diseqc_msg(struct dvb_frontend *fe, |
777 | struct dvb_diseqc_master_cmd *cmd) | ||
753 | { | 778 | { |
754 | struct cx24123_state *state = fe->demodulator_priv; | 779 | struct cx24123_state *state = fe->demodulator_priv; |
755 | int i, val, tone; | 780 | int i, val, tone; |
@@ -771,20 +796,21 @@ static int cx24123_send_diseqc_msg(struct dvb_frontend* fe, struct dvb_diseqc_ma | |||
771 | cx24123_writereg(state, 0x2C + i, cmd->msg[i]); | 796 | cx24123_writereg(state, 0x2C + i, cmd->msg[i]); |
772 | 797 | ||
773 | val = cx24123_readreg(state, 0x29); | 798 | val = cx24123_readreg(state, 0x29); |
774 | cx24123_writereg(state, 0x29, ((val & 0x90) | 0x40) | ((cmd->msg_len-3) & 3)); | 799 | cx24123_writereg(state, 0x29, ((val & 0x90) | 0x40) | |
800 | ((cmd->msg_len-3) & 3)); | ||
775 | 801 | ||
776 | /* wait for diseqc message to finish sending */ | 802 | /* wait for diseqc message to finish sending */ |
777 | cx24123_wait_for_diseqc(state); | 803 | cx24123_wait_for_diseqc(state); |
778 | 804 | ||
779 | /* restart continuous tone if enabled */ | 805 | /* restart continuous tone if enabled */ |
780 | if (tone & 0x10) { | 806 | if (tone & 0x10) |
781 | cx24123_writereg(state, 0x29, tone & ~0x40); | 807 | cx24123_writereg(state, 0x29, tone & ~0x40); |
782 | } | ||
783 | 808 | ||
784 | return 0; | 809 | return 0; |
785 | } | 810 | } |
786 | 811 | ||
787 | static int cx24123_diseqc_send_burst(struct dvb_frontend* fe, fe_sec_mini_cmd_t burst) | 812 | static int cx24123_diseqc_send_burst(struct dvb_frontend *fe, |
813 | fe_sec_mini_cmd_t burst) | ||
788 | { | 814 | { |
789 | struct cx24123_state *state = fe->demodulator_priv; | 815 | struct cx24123_state *state = fe->demodulator_priv; |
790 | int val, tone; | 816 | int val, tone; |
@@ -814,13 +840,13 @@ static int cx24123_diseqc_send_burst(struct dvb_frontend* fe, fe_sec_mini_cmd_t | |||
814 | cx24123_writereg(state, 0x2a, cx24123_readreg(state, 0x2a) & 0xfb); | 840 | cx24123_writereg(state, 0x2a, cx24123_readreg(state, 0x2a) & 0xfb); |
815 | 841 | ||
816 | /* restart continuous tone if enabled */ | 842 | /* restart continuous tone if enabled */ |
817 | if (tone & 0x10) { | 843 | if (tone & 0x10) |
818 | cx24123_writereg(state, 0x29, tone & ~0x40); | 844 | cx24123_writereg(state, 0x29, tone & ~0x40); |
819 | } | 845 | |
820 | return 0; | 846 | return 0; |
821 | } | 847 | } |
822 | 848 | ||
823 | static int cx24123_read_status(struct dvb_frontend* fe, fe_status_t* status) | 849 | static int cx24123_read_status(struct dvb_frontend *fe, fe_status_t *status) |
824 | { | 850 | { |
825 | struct cx24123_state *state = fe->demodulator_priv; | 851 | struct cx24123_state *state = fe->demodulator_priv; |
826 | int sync = cx24123_readreg(state, 0x14); | 852 | int sync = cx24123_readreg(state, 0x14); |
@@ -853,8 +879,9 @@ static int cx24123_read_status(struct dvb_frontend* fe, fe_status_t* status) | |||
853 | } | 879 | } |
854 | 880 | ||
855 | /* | 881 | /* |
856 | * Configured to return the measurement of errors in blocks, because no UCBLOCKS value | 882 | * Configured to return the measurement of errors in blocks, |
857 | * is available, so this value doubles up to satisfy both measurements | 883 | * because no UCBLOCKS value is available, so this value doubles up |
884 | * to satisfy both measurements. | ||
858 | */ | 885 | */ |
859 | static int cx24123_read_ber(struct dvb_frontend *fe, u32 *ber) | 886 | static int cx24123_read_ber(struct dvb_frontend *fe, u32 *ber) |
860 | { | 887 | { |
@@ -876,7 +903,8 @@ static int cx24123_read_signal_strength(struct dvb_frontend *fe, | |||
876 | { | 903 | { |
877 | struct cx24123_state *state = fe->demodulator_priv; | 904 | struct cx24123_state *state = fe->demodulator_priv; |
878 | 905 | ||
879 | *signal_strength = cx24123_readreg(state, 0x3b) << 8; /* larger = better */ | 906 | /* larger = better */ |
907 | *signal_strength = cx24123_readreg(state, 0x3b) << 8; | ||
880 | 908 | ||
881 | dprintk("Signal strength = %d\n", *signal_strength); | 909 | dprintk("Signal strength = %d\n", *signal_strength); |
882 | 910 | ||
@@ -907,7 +935,7 @@ static int cx24123_set_frontend(struct dvb_frontend *fe, | |||
907 | if (state->config->set_ts_params) | 935 | if (state->config->set_ts_params) |
908 | state->config->set_ts_params(fe, 0); | 936 | state->config->set_ts_params(fe, 0); |
909 | 937 | ||
910 | state->currentfreq=p->frequency; | 938 | state->currentfreq = p->frequency; |
911 | state->currentsymbolrate = p->u.qpsk.symbol_rate; | 939 | state->currentsymbolrate = p->u.qpsk.symbol_rate; |
912 | 940 | ||
913 | cx24123_set_inversion(state, p->inversion); | 941 | cx24123_set_inversion(state, p->inversion); |
@@ -932,7 +960,8 @@ static int cx24123_set_frontend(struct dvb_frontend *fe, | |||
932 | return 0; | 960 | return 0; |
933 | } | 961 | } |
934 | 962 | ||
935 | static int cx24123_get_frontend(struct dvb_frontend* fe, struct dvb_frontend_parameters *p) | 963 | static int cx24123_get_frontend(struct dvb_frontend *fe, |
964 | struct dvb_frontend_parameters *p) | ||
936 | { | 965 | { |
937 | struct cx24123_state *state = fe->demodulator_priv; | 966 | struct cx24123_state *state = fe->demodulator_priv; |
938 | 967 | ||
@@ -952,7 +981,7 @@ static int cx24123_get_frontend(struct dvb_frontend* fe, struct dvb_frontend_par | |||
952 | return 0; | 981 | return 0; |
953 | } | 982 | } |
954 | 983 | ||
955 | static int cx24123_set_tone(struct dvb_frontend* fe, fe_sec_tone_mode_t tone) | 984 | static int cx24123_set_tone(struct dvb_frontend *fe, fe_sec_tone_mode_t tone) |
956 | { | 985 | { |
957 | struct cx24123_state *state = fe->demodulator_priv; | 986 | struct cx24123_state *state = fe->demodulator_priv; |
958 | u8 val; | 987 | u8 val; |
@@ -977,8 +1006,8 @@ static int cx24123_set_tone(struct dvb_frontend* fe, fe_sec_tone_mode_t tone) | |||
977 | return 0; | 1006 | return 0; |
978 | } | 1007 | } |
979 | 1008 | ||
980 | static int cx24123_tune(struct dvb_frontend* fe, | 1009 | static int cx24123_tune(struct dvb_frontend *fe, |
981 | struct dvb_frontend_parameters* params, | 1010 | struct dvb_frontend_parameters *params, |
982 | unsigned int mode_flags, | 1011 | unsigned int mode_flags, |
983 | unsigned int *delay, | 1012 | unsigned int *delay, |
984 | fe_status_t *status) | 1013 | fe_status_t *status) |
@@ -997,12 +1026,12 @@ static int cx24123_tune(struct dvb_frontend* fe, | |||
997 | 1026 | ||
998 | static int cx24123_get_algo(struct dvb_frontend *fe) | 1027 | static int cx24123_get_algo(struct dvb_frontend *fe) |
999 | { | 1028 | { |
1000 | return 1; //FE_ALGO_HW | 1029 | return 1; /* FE_ALGO_HW */ |
1001 | } | 1030 | } |
1002 | 1031 | ||
1003 | static void cx24123_release(struct dvb_frontend* fe) | 1032 | static void cx24123_release(struct dvb_frontend *fe) |
1004 | { | 1033 | { |
1005 | struct cx24123_state* state = fe->demodulator_priv; | 1034 | struct cx24123_state *state = fe->demodulator_priv; |
1006 | dprintk("\n"); | 1035 | dprintk("\n"); |
1007 | i2c_del_adapter(&state->tuner_i2c_adapter); | 1036 | i2c_del_adapter(&state->tuner_i2c_adapter); |
1008 | kfree(state); | 1037 | kfree(state); |
@@ -1013,7 +1042,7 @@ static int cx24123_tuner_i2c_tuner_xfer(struct i2c_adapter *i2c_adap, | |||
1013 | { | 1042 | { |
1014 | struct cx24123_state *state = i2c_get_adapdata(i2c_adap); | 1043 | struct cx24123_state *state = i2c_get_adapdata(i2c_adap); |
1015 | /* this repeater closes after the first stop */ | 1044 | /* this repeater closes after the first stop */ |
1016 | cx24123_repeater_mode(state, 1, 1); | 1045 | cx24123_repeater_mode(state, 1, 1); |
1017 | return i2c_transfer(state->i2c, msg, num); | 1046 | return i2c_transfer(state->i2c, msg, num); |
1018 | } | 1047 | } |
1019 | 1048 | ||
@@ -1037,8 +1066,8 @@ EXPORT_SYMBOL(cx24123_get_tuner_i2c_adapter); | |||
1037 | 1066 | ||
1038 | static struct dvb_frontend_ops cx24123_ops; | 1067 | static struct dvb_frontend_ops cx24123_ops; |
1039 | 1068 | ||
1040 | struct dvb_frontend* cx24123_attach(const struct cx24123_config* config, | 1069 | struct dvb_frontend *cx24123_attach(const struct cx24123_config *config, |
1041 | struct i2c_adapter* i2c) | 1070 | struct i2c_adapter *i2c) |
1042 | { | 1071 | { |
1043 | struct cx24123_state *state = | 1072 | struct cx24123_state *state = |
1044 | kzalloc(sizeof(struct cx24123_state), GFP_KERNEL); | 1073 | kzalloc(sizeof(struct cx24123_state), GFP_KERNEL); |
@@ -1057,20 +1086,25 @@ struct dvb_frontend* cx24123_attach(const struct cx24123_config* config, | |||
1057 | /* check if the demod is there */ | 1086 | /* check if the demod is there */ |
1058 | state->demod_rev = cx24123_readreg(state, 0x00); | 1087 | state->demod_rev = cx24123_readreg(state, 0x00); |
1059 | switch (state->demod_rev) { | 1088 | switch (state->demod_rev) { |
1060 | case 0xe1: info("detected CX24123C\n"); break; | 1089 | case 0xe1: |
1061 | case 0xd1: info("detected CX24123\n"); break; | 1090 | info("detected CX24123C\n"); |
1091 | break; | ||
1092 | case 0xd1: | ||
1093 | info("detected CX24123\n"); | ||
1094 | break; | ||
1062 | default: | 1095 | default: |
1063 | err("wrong demod revision: %x\n", state->demod_rev); | 1096 | err("wrong demod revision: %x\n", state->demod_rev); |
1064 | goto error; | 1097 | goto error; |
1065 | } | 1098 | } |
1066 | 1099 | ||
1067 | /* create dvb_frontend */ | 1100 | /* create dvb_frontend */ |
1068 | memcpy(&state->frontend.ops, &cx24123_ops, sizeof(struct dvb_frontend_ops)); | 1101 | memcpy(&state->frontend.ops, &cx24123_ops, |
1102 | sizeof(struct dvb_frontend_ops)); | ||
1069 | state->frontend.demodulator_priv = state; | 1103 | state->frontend.demodulator_priv = state; |
1070 | 1104 | ||
1071 | /* create tuner i2c adapter */ | 1105 | /* create tuner i2c adapter */ |
1072 | if (config->dont_use_pll) | 1106 | if (config->dont_use_pll) |
1073 | cx24123_repeater_mode(state, 1, 0); | 1107 | cx24123_repeater_mode(state, 1, 0); |
1074 | 1108 | ||
1075 | strlcpy(state->tuner_i2c_adapter.name, "CX24123 tuner I2C bus", | 1109 | strlcpy(state->tuner_i2c_adapter.name, "CX24123 tuner I2C bus", |
1076 | sizeof(state->tuner_i2c_adapter.name)); | 1110 | sizeof(state->tuner_i2c_adapter.name)); |
@@ -1079,7 +1113,7 @@ struct dvb_frontend* cx24123_attach(const struct cx24123_config* config, | |||
1079 | state->tuner_i2c_adapter.algo_data = NULL; | 1113 | state->tuner_i2c_adapter.algo_data = NULL; |
1080 | i2c_set_adapdata(&state->tuner_i2c_adapter, state); | 1114 | i2c_set_adapdata(&state->tuner_i2c_adapter, state); |
1081 | if (i2c_add_adapter(&state->tuner_i2c_adapter) < 0) { | 1115 | if (i2c_add_adapter(&state->tuner_i2c_adapter) < 0) { |
1082 | err("tuner i2c bus could not be initialized\n"); | 1116 | err("tuner i2c bus could not be initialized\n"); |
1083 | goto error; | 1117 | goto error; |
1084 | } | 1118 | } |
1085 | 1119 | ||
@@ -1090,6 +1124,7 @@ error: | |||
1090 | 1124 | ||
1091 | return NULL; | 1125 | return NULL; |
1092 | } | 1126 | } |
1127 | EXPORT_SYMBOL(cx24123_attach); | ||
1093 | 1128 | ||
1094 | static struct dvb_frontend_ops cx24123_ops = { | 1129 | static struct dvb_frontend_ops cx24123_ops = { |
1095 | 1130 | ||
@@ -1126,15 +1161,8 @@ static struct dvb_frontend_ops cx24123_ops = { | |||
1126 | .get_frontend_algo = cx24123_get_algo, | 1161 | .get_frontend_algo = cx24123_get_algo, |
1127 | }; | 1162 | }; |
1128 | 1163 | ||
1129 | module_param(debug, int, 0644); | ||
1130 | MODULE_PARM_DESC(debug, "Activates frontend debugging (default:0)"); | ||
1131 | |||
1132 | module_param(force_band, int, 0644); | ||
1133 | MODULE_PARM_DESC(force_band, "Force a specific band select (1-9, default:off)."); | ||
1134 | |||
1135 | MODULE_DESCRIPTION("DVB Frontend module for Conexant " \ | 1164 | MODULE_DESCRIPTION("DVB Frontend module for Conexant " \ |
1136 | "CX24123/CX24109/CX24113 hardware"); | 1165 | "CX24123/CX24109/CX24113 hardware"); |
1137 | MODULE_AUTHOR("Steven Toth"); | 1166 | MODULE_AUTHOR("Steven Toth"); |
1138 | MODULE_LICENSE("GPL"); | 1167 | MODULE_LICENSE("GPL"); |
1139 | 1168 | ||
1140 | EXPORT_SYMBOL(cx24123_attach); | ||
diff --git a/drivers/media/dvb/frontends/cx24123.h b/drivers/media/dvb/frontends/cx24123.h index cc6b411d6d20..51ae866e9fed 100644 --- a/drivers/media/dvb/frontends/cx24123.h +++ b/drivers/media/dvb/frontends/cx24123.h | |||
@@ -23,13 +23,12 @@ | |||
23 | 23 | ||
24 | #include <linux/dvb/frontend.h> | 24 | #include <linux/dvb/frontend.h> |
25 | 25 | ||
26 | struct cx24123_config | 26 | struct cx24123_config { |
27 | { | ||
28 | /* the demodulator's i2c address */ | 27 | /* the demodulator's i2c address */ |
29 | u8 demod_address; | 28 | u8 demod_address; |
30 | 29 | ||
31 | /* Need to set device param for start_dma */ | 30 | /* Need to set device param for start_dma */ |
32 | int (*set_ts_params)(struct dvb_frontend* fe, int is_punctured); | 31 | int (*set_ts_params)(struct dvb_frontend *fe, int is_punctured); |
33 | 32 | ||
34 | /* 0 = LNB voltage normal, 1 = LNB voltage inverted */ | 33 | /* 0 = LNB voltage normal, 1 = LNB voltage inverted */ |
35 | int lnb_polarity; | 34 | int lnb_polarity; |
@@ -39,7 +38,8 @@ struct cx24123_config | |||
39 | void (*agc_callback) (struct dvb_frontend *); | 38 | void (*agc_callback) (struct dvb_frontend *); |
40 | }; | 39 | }; |
41 | 40 | ||
42 | #if defined(CONFIG_DVB_CX24123) || (defined(CONFIG_DVB_CX24123_MODULE) && defined(MODULE)) | 41 | #if defined(CONFIG_DVB_CX24123) || (defined(CONFIG_DVB_CX24123_MODULE) \ |
42 | && defined(MODULE)) | ||
43 | extern struct dvb_frontend *cx24123_attach(const struct cx24123_config *config, | 43 | extern struct dvb_frontend *cx24123_attach(const struct cx24123_config *config, |
44 | struct i2c_adapter *i2c); | 44 | struct i2c_adapter *i2c); |
45 | extern struct i2c_adapter *cx24123_get_tuner_i2c_adapter(struct dvb_frontend *); | 45 | extern struct i2c_adapter *cx24123_get_tuner_i2c_adapter(struct dvb_frontend *); |
@@ -56,6 +56,6 @@ static struct i2c_adapter * | |||
56 | printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); | 56 | printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); |
57 | return NULL; | 57 | return NULL; |
58 | } | 58 | } |
59 | #endif // CONFIG_DVB_CX24123 | 59 | #endif |
60 | 60 | ||
61 | #endif /* CX24123_H */ | 61 | #endif /* CX24123_H */ |