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authorSteven Toth <stoth@linuxtv.org>2008-10-16 19:22:01 -0400
committerMauro Carvalho Chehab <mchehab@redhat.com>2008-10-17 16:27:34 -0400
commitf11ec7d4ee4308592dbd9b1db645ab14fe32719c (patch)
treeb34dec1b2416a86ef4a4e8aeb032179de695a299 /drivers/media/dvb
parentd93356a22014f555ab6f9fbeb697fc73b565841a (diff)
V4L/DVB (9254): cx24116: Checkpatch compliance #2
cx24116: Checkpatch compliance #2 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/cx24116.c493
-rw-r--r--drivers/media/dvb/frontends/cx24116.h19
2 files changed, 266 insertions, 246 deletions
diff --git a/drivers/media/dvb/frontends/cx24116.c b/drivers/media/dvb/frontends/cx24116.c
index deb36f469ada..751792a092e2 100644
--- a/drivers/media/dvb/frontends/cx24116.c
+++ b/drivers/media/dvb/frontends/cx24116.c
@@ -41,10 +41,14 @@
41#include "dvb_frontend.h" 41#include "dvb_frontend.h"
42#include "cx24116.h" 42#include "cx24116.h"
43 43
44static int debug = 0; 44static int debug;
45module_param(debug, int, 0644);
46MODULE_PARM_DESC(debug, "Activates frontend debugging (default:0)");
47
45#define dprintk(args...) \ 48#define dprintk(args...) \
46 do { \ 49 do { \
47 if (debug) printk ("cx24116: " args); \ 50 if (debug) \
51 printk("cx24116: " args); \
48 } while (0) 52 } while (0)
49 53
50#define CX24116_DEFAULT_FIRMWARE "dvb-fe-cx24116.fw" 54#define CX24116_DEFAULT_FIRMWARE "dvb-fe-cx24116.fw"
@@ -116,12 +120,15 @@ static int debug = 0;
116 120
117/* DiSEqC tone burst */ 121/* DiSEqC tone burst */
118static int toneburst = 1; 122static int toneburst = 1;
123module_param(toneburst, int, 0644);
124MODULE_PARM_DESC(toneburst, "DiSEqC toneburst 0=OFF, 1=TONE CACHE, 2=MESSAGE CACHE (default:1)");
119 125
120/* SNR measurements */ 126/* SNR measurements */
121static int esno_snr = 0; 127static int esno_snr;
128module_param(esno_snr, int, 0644);
129MODULE_PARM_DESC(debug, "SNR return units, 0=PERCENTAGE 0-100, 1=ESNO(db * 10) (default:0)");
122 130
123enum cmds 131enum cmds {
124{
125 CMD_SET_VCO = 0x10, 132 CMD_SET_VCO = 0x10,
126 CMD_TUNEREQUEST = 0x11, 133 CMD_TUNEREQUEST = 0x11,
127 CMD_MPEGCONFIG = 0x13, 134 CMD_MPEGCONFIG = 0x13,
@@ -138,8 +145,7 @@ enum cmds
138}; 145};
139 146
140/* The Demod/Tuner can't easily provide these, we cache them */ 147/* The Demod/Tuner can't easily provide these, we cache them */
141struct cx24116_tuning 148struct cx24116_tuning {
142{
143 u32 frequency; 149 u32 frequency;
144 u32 symbol_rate; 150 u32 symbol_rate;
145 fe_spectral_inversion_t inversion; 151 fe_spectral_inversion_t inversion;
@@ -158,16 +164,14 @@ struct cx24116_tuning
158}; 164};
159 165
160/* Basic commands that are sent to the firmware */ 166/* Basic commands that are sent to the firmware */
161struct cx24116_cmd 167struct cx24116_cmd {
162{
163 u8 len; 168 u8 len;
164 u8 args[CX24116_ARGLEN]; 169 u8 args[CX24116_ARGLEN];
165}; 170};
166 171
167struct cx24116_state 172struct cx24116_state {
168{ 173 struct i2c_adapter *i2c;
169 struct i2c_adapter* i2c; 174 const struct cx24116_config *config;
170 const struct cx24116_config* config;
171 175
172 struct dvb_frontend frontend; 176 struct dvb_frontend frontend;
173 177
@@ -179,18 +183,19 @@ struct cx24116_state
179 struct cx24116_cmd dsec_cmd; 183 struct cx24116_cmd dsec_cmd;
180}; 184};
181 185
182static int cx24116_writereg(struct cx24116_state* state, int reg, int data) 186static int cx24116_writereg(struct cx24116_state *state, int reg, int data)
183{ 187{
184 u8 buf[] = { reg, data }; 188 u8 buf[] = { reg, data };
185 struct i2c_msg msg = { .addr = state->config->demod_address, 189 struct i2c_msg msg = { .addr = state->config->demod_address,
186 .flags = 0, .buf = buf, .len = 2 }; 190 .flags = 0, .buf = buf, .len = 2 };
187 int err; 191 int err;
188 192
189 if (debug>1) 193 if (debug > 1)
190 printk("cx24116: %s: write reg 0x%02x, value 0x%02x\n", 194 printk("cx24116: %s: write reg 0x%02x, value 0x%02x\n",
191 __func__,reg, data); 195 __func__, reg, data);
192 196
193 if ((err = i2c_transfer(state->i2c, &msg, 1)) != 1) { 197 err = i2c_transfer(state->i2c, &msg, 1);
198 if (err != 1) {
194 printk("%s: writereg error(err == %i, reg == 0x%02x," 199 printk("%s: writereg error(err == %i, reg == 0x%02x,"
195 " value == 0x%02x)\n", __func__, err, reg, data); 200 " value == 0x%02x)\n", __func__, err, reg, data);
196 return -EREMOTEIO; 201 return -EREMOTEIO;
@@ -200,7 +205,8 @@ static int cx24116_writereg(struct cx24116_state* state, int reg, int data)
200} 205}
201 206
202/* Bulk byte writes to a single I2C address, for 32k firmware load */ 207/* Bulk byte writes to a single I2C address, for 32k firmware load */
203static int cx24116_writeregN(struct cx24116_state* state, int reg, u8 *data, u16 len) 208static int cx24116_writeregN(struct cx24116_state *state, int reg,
209 u8 *data, u16 len)
204{ 210{
205 int ret = -EREMOTEIO; 211 int ret = -EREMOTEIO;
206 struct i2c_msg msg; 212 struct i2c_msg msg;
@@ -221,11 +227,12 @@ static int cx24116_writeregN(struct cx24116_state* state, int reg, u8 *data, u16
221 msg.buf = buf; 227 msg.buf = buf;
222 msg.len = len + 1; 228 msg.len = len + 1;
223 229
224 if (debug>1) 230 if (debug > 1)
225 printk("cx24116: %s: write regN 0x%02x, len = %d\n", 231 printk("cx24116: %s: write regN 0x%02x, len = %d\n",
226 __func__,reg, len); 232 __func__, reg, len);
227 233
228 if ((ret = i2c_transfer(state->i2c, &msg, 1)) != 1) { 234 ret = i2c_transfer(state->i2c, &msg, 1);
235 if (ret != 1) {
229 printk("%s: writereg error(err == %i, reg == 0x%02x\n", 236 printk("%s: writereg error(err == %i, reg == 0x%02x\n",
230 __func__, ret, reg); 237 __func__, ret, reg);
231 ret = -EREMOTEIO; 238 ret = -EREMOTEIO;
@@ -237,14 +244,16 @@ error:
237 return ret; 244 return ret;
238} 245}
239 246
240static int cx24116_readreg(struct cx24116_state* state, u8 reg) 247static int cx24116_readreg(struct cx24116_state *state, u8 reg)
241{ 248{
242 int ret; 249 int ret;
243 u8 b0[] = { reg }; 250 u8 b0[] = { reg };
244 u8 b1[] = { 0 }; 251 u8 b1[] = { 0 };
245 struct i2c_msg msg[] = { 252 struct i2c_msg msg[] = {
246 { .addr = state->config->demod_address, .flags = 0, .buf = b0, .len = 1 }, 253 { .addr = state->config->demod_address, .flags = 0,
247 { .addr = state->config->demod_address, .flags = I2C_M_RD, .buf = b1, .len = 1 } 254 .buf = b0, .len = 1 },
255 { .addr = state->config->demod_address, .flags = I2C_M_RD,
256 .buf = b1, .len = 1 }
248 }; 257 };
249 258
250 ret = i2c_transfer(state->i2c, msg, 2); 259 ret = i2c_transfer(state->i2c, msg, 2);
@@ -254,13 +263,14 @@ static int cx24116_readreg(struct cx24116_state* state, u8 reg)
254 return ret; 263 return ret;
255 } 264 }
256 265
257 if (debug>1) 266 if (debug > 1)
258 printk("cx24116: read reg 0x%02x, value 0x%02x\n",reg, b1[0]); 267 printk("cx24116: read reg 0x%02x, value 0x%02x\n",
268 reg, b1[0]);
259 269
260 return b1[0]; 270 return b1[0];
261} 271}
262 272
263static int cx24116_set_inversion(struct cx24116_state* state, fe_spectral_inversion_t inversion) 273static int cx24116_set_inversion(struct cx24116_state *state, fe_spectral_inversion_t inversion)
264{ 274{
265 dprintk("%s(%d)\n", __func__, inversion); 275 dprintk("%s(%d)\n", __func__, inversion);
266 276
@@ -389,18 +399,16 @@ struct cx24116_modfec {
389 */ 399 */
390}; 400};
391 401
392static int cx24116_lookup_fecmod(struct cx24116_state* state, 402static int cx24116_lookup_fecmod(struct cx24116_state *state,
393 fe_modulation_t m, fe_code_rate_t f) 403 fe_modulation_t m, fe_code_rate_t f)
394{ 404{
395 int i, ret = -EOPNOTSUPP; 405 int i, ret = -EOPNOTSUPP;
396 406
397 dprintk("%s(0x%02x,0x%02x)\n", __func__, m, f); 407 dprintk("%s(0x%02x,0x%02x)\n", __func__, m, f);
398 408
399 for(i=0 ; i < sizeof(CX24116_MODFEC_MODES) / sizeof(struct cx24116_modfec) ; i++) 409 for (i = 0; i < ARRAY_SIZE(CX24116_MODFEC_MODES); i++) {
400 { 410 if ((m == CX24116_MODFEC_MODES[i].modulation) &&
401 if( (m == CX24116_MODFEC_MODES[i].modulation) && 411 (f == CX24116_MODFEC_MODES[i].fec)) {
402 (f == CX24116_MODFEC_MODES[i].fec) )
403 {
404 ret = i; 412 ret = i;
405 break; 413 break;
406 } 414 }
@@ -409,7 +417,7 @@ static int cx24116_lookup_fecmod(struct cx24116_state* state,
409 return ret; 417 return ret;
410} 418}
411 419
412static int cx24116_set_fec(struct cx24116_state* state, fe_modulation_t mod, fe_code_rate_t fec) 420static int cx24116_set_fec(struct cx24116_state *state, fe_modulation_t mod, fe_code_rate_t fec)
413{ 421{
414 int ret = 0; 422 int ret = 0;
415 423
@@ -417,7 +425,7 @@ static int cx24116_set_fec(struct cx24116_state* state, fe_modulation_t mod, fe_
417 425
418 ret = cx24116_lookup_fecmod(state, mod, fec); 426 ret = cx24116_lookup_fecmod(state, mod, fec);
419 427
420 if(ret < 0) 428 if (ret < 0)
421 return ret; 429 return ret;
422 430
423 state->dnxt.fec = fec; 431 state->dnxt.fec = fec;
@@ -429,7 +437,7 @@ static int cx24116_set_fec(struct cx24116_state* state, fe_modulation_t mod, fe_
429 return 0; 437 return 0;
430} 438}
431 439
432static int cx24116_set_symbolrate(struct cx24116_state* state, u32 rate) 440static int cx24116_set_symbolrate(struct cx24116_state *state, u32 rate)
433{ 441{
434 dprintk("%s(%d)\n", __func__, rate); 442 dprintk("%s(%d)\n", __func__, rate);
435 443
@@ -446,18 +454,18 @@ static int cx24116_set_symbolrate(struct cx24116_state* state, u32 rate)
446 return 0; 454 return 0;
447} 455}
448 456
449static int cx24116_load_firmware (struct dvb_frontend* fe, const struct firmware *fw); 457static int cx24116_load_firmware(struct dvb_frontend *fe,
458 const struct firmware *fw);
450 459
451static int cx24116_firmware_ondemand(struct dvb_frontend* fe) 460static int cx24116_firmware_ondemand(struct dvb_frontend *fe)
452{ 461{
453 struct cx24116_state *state = fe->demodulator_priv; 462 struct cx24116_state *state = fe->demodulator_priv;
454 const struct firmware *fw; 463 const struct firmware *fw;
455 int ret = 0; 464 int ret = 0;
456 465
457 dprintk("%s()\n",__func__); 466 dprintk("%s()\n", __func__);
458 467
459 if (cx24116_readreg(state, 0x20) > 0) 468 if (cx24116_readreg(state, 0x20) > 0) {
460 {
461 469
462 if (state->skip_fw_load) 470 if (state->skip_fw_load)
463 return 0; 471 return 0;
@@ -491,7 +499,7 @@ static int cx24116_firmware_ondemand(struct dvb_frontend* fe)
491} 499}
492 500
493/* Take a basic firmware command structure, format it and forward it for processing */ 501/* Take a basic firmware command structure, format it and forward it for processing */
494static int cx24116_cmd_execute(struct dvb_frontend* fe, struct cx24116_cmd *cmd) 502static int cx24116_cmd_execute(struct dvb_frontend *fe, struct cx24116_cmd *cmd)
495{ 503{
496 struct cx24116_state *state = fe->demodulator_priv; 504 struct cx24116_state *state = fe->demodulator_priv;
497 int i, ret; 505 int i, ret;
@@ -499,26 +507,23 @@ static int cx24116_cmd_execute(struct dvb_frontend* fe, struct cx24116_cmd *cmd)
499 dprintk("%s()\n", __func__); 507 dprintk("%s()\n", __func__);
500 508
501 /* Load the firmware if required */ 509 /* Load the firmware if required */
502 if ( (ret = cx24116_firmware_ondemand(fe)) != 0) 510 ret = cx24116_firmware_ondemand(fe);
503 { 511 if (ret != 0) {
504 printk("%s(): Unable initialise the firmware\n", __func__); 512 printk("%s(): Unable initialise the firmware\n", __func__);
505 return ret; 513 return ret;
506 } 514 }
507 515
508 /* Write the command */ 516 /* Write the command */
509 for(i = 0; i < cmd->len ; i++) 517 for (i = 0; i < cmd->len ; i++) {
510 {
511 dprintk("%s: 0x%02x == 0x%02x\n", __func__, i, cmd->args[i]); 518 dprintk("%s: 0x%02x == 0x%02x\n", __func__, i, cmd->args[i]);
512 cx24116_writereg(state, i, cmd->args[i]); 519 cx24116_writereg(state, i, cmd->args[i]);
513 } 520 }
514 521
515 /* Start execution and wait for cmd to terminate */ 522 /* Start execution and wait for cmd to terminate */
516 cx24116_writereg(state, CX24116_REG_EXECUTE, 0x01); 523 cx24116_writereg(state, CX24116_REG_EXECUTE, 0x01);
517 while( cx24116_readreg(state, CX24116_REG_EXECUTE) ) 524 while (cx24116_readreg(state, CX24116_REG_EXECUTE)) {
518 {
519 msleep(10); 525 msleep(10);
520 if(i++ > 64) 526 if (i++ > 64) {
521 {
522 /* Avoid looping forever if the firmware does no respond */ 527 /* Avoid looping forever if the firmware does no respond */
523 printk("%s() Firmware not responding\n", __func__); 528 printk("%s() Firmware not responding\n", __func__);
524 return -EREMOTEIO; 529 return -EREMOTEIO;
@@ -527,21 +532,21 @@ static int cx24116_cmd_execute(struct dvb_frontend* fe, struct cx24116_cmd *cmd)
527 return 0; 532 return 0;
528} 533}
529 534
530static int cx24116_load_firmware (struct dvb_frontend* fe, const struct firmware *fw) 535static int cx24116_load_firmware(struct dvb_frontend *fe,
536 const struct firmware *fw)
531{ 537{
532 struct cx24116_state* state = fe->demodulator_priv; 538 struct cx24116_state *state = fe->demodulator_priv;
533 struct cx24116_cmd cmd; 539 struct cx24116_cmd cmd;
534 int i, ret; 540 int i, ret;
535 unsigned char vers[4]; 541 unsigned char vers[4];
536 542
537 dprintk("%s\n", __func__); 543 dprintk("%s\n", __func__);
538 dprintk("Firmware is %zu bytes (%02x %02x .. %02x %02x)\n" 544 dprintk("Firmware is %zu bytes (%02x %02x .. %02x %02x)\n",
539 ,fw->size 545 fw->size,
540 ,fw->data[0] 546 fw->data[0],
541 ,fw->data[1] 547 fw->data[1],
542 ,fw->data[ fw->size-2 ] 548 fw->data[fw->size-2],
543 ,fw->data[ fw->size-1 ] 549 fw->data[fw->size-1]);
544 );
545 550
546 /* Toggle 88x SRST pin to reset demod */ 551 /* Toggle 88x SRST pin to reset demod */
547 if (state->config->reset_device) 552 if (state->config->reset_device)
@@ -587,7 +592,7 @@ static int cx24116_load_firmware (struct dvb_frontend* fe, const struct firmware
587 cmd.args[0x07] = 0x9d; 592 cmd.args[0x07] = 0x9d;
588 cmd.args[0x08] = 0xfc; 593 cmd.args[0x08] = 0xfc;
589 cmd.args[0x09] = 0x06; 594 cmd.args[0x09] = 0x06;
590 cmd.len= 0x0a; 595 cmd.len = 0x0a;
591 ret = cx24116_cmd_execute(fe, &cmd); 596 ret = cx24116_cmd_execute(fe, &cmd);
592 if (ret != 0) 597 if (ret != 0)
593 return ret; 598 return ret;
@@ -598,7 +603,7 @@ static int cx24116_load_firmware (struct dvb_frontend* fe, const struct firmware
598 cmd.args[0x00] = CMD_TUNERINIT; 603 cmd.args[0x00] = CMD_TUNERINIT;
599 cmd.args[0x01] = 0x00; 604 cmd.args[0x01] = 0x00;
600 cmd.args[0x02] = 0x00; 605 cmd.args[0x02] = 0x00;
601 cmd.len= 0x03; 606 cmd.len = 0x03;
602 ret = cx24116_cmd_execute(fe, &cmd); 607 ret = cx24116_cmd_execute(fe, &cmd);
603 if (ret != 0) 608 if (ret != 0)
604 return ret; 609 return ret;
@@ -615,20 +620,20 @@ static int cx24116_load_firmware (struct dvb_frontend* fe, const struct firmware
615 else 620 else
616 cmd.args[0x04] = 0x02; 621 cmd.args[0x04] = 0x02;
617 cmd.args[0x05] = 0x00; 622 cmd.args[0x05] = 0x00;
618 cmd.len= 0x06; 623 cmd.len = 0x06;
619 ret = cx24116_cmd_execute(fe, &cmd); 624 ret = cx24116_cmd_execute(fe, &cmd);
620 if (ret != 0) 625 if (ret != 0)
621 return ret; 626 return ret;
622 627
623 /* Firmware CMD 35: Get firmware version */ 628 /* Firmware CMD 35: Get firmware version */
624 cmd.args[0x00] = CMD_UPDFWVERS; 629 cmd.args[0x00] = CMD_UPDFWVERS;
625 cmd.len= 0x02; 630 cmd.len = 0x02;
626 for(i=0; i<4; i++) { 631 for (i = 0; i < 4; i++) {
627 cmd.args[0x01] = i; 632 cmd.args[0x01] = i;
628 ret = cx24116_cmd_execute(fe, &cmd); 633 ret = cx24116_cmd_execute(fe, &cmd);
629 if (ret != 0) 634 if (ret != 0)
630 return ret; 635 return ret;
631 vers[i]= cx24116_readreg(state, CX24116_REG_MAILBOX); 636 vers[i] = cx24116_readreg(state, CX24116_REG_MAILBOX);
632 } 637 }
633 printk("%s: FW version %i.%i.%i.%i\n", __func__, 638 printk("%s: FW version %i.%i.%i.%i\n", __func__,
634 vers[0], vers[1], vers[2], vers[3]); 639 vers[0], vers[1], vers[2], vers[3]);
@@ -636,15 +641,17 @@ static int cx24116_load_firmware (struct dvb_frontend* fe, const struct firmware
636 return 0; 641 return 0;
637} 642}
638 643
639static int cx24116_set_voltage(struct dvb_frontend* fe, fe_sec_voltage_t voltage) 644static int cx24116_set_voltage(struct dvb_frontend *fe,
645 fe_sec_voltage_t voltage)
640{ 646{
641 /* The isl6421 module will override this function in the fops. */ 647 /* The isl6421 module will override this function in the fops. */
642 dprintk("%s() This should never appear if the isl6421 module is loaded correctly\n",__func__); 648 dprintk("%s() This should never appear if the isl6421 module "
649 "is loaded correctly\n", __func__);
643 650
644 return -EOPNOTSUPP; 651 return -EOPNOTSUPP;
645} 652}
646 653
647static int cx24116_read_status(struct dvb_frontend* fe, fe_status_t* status) 654static int cx24116_read_status(struct dvb_frontend *fe, fe_status_t *status)
648{ 655{
649 struct cx24116_state *state = fe->demodulator_priv; 656 struct cx24116_state *state = fe->demodulator_priv;
650 657
@@ -666,22 +673,23 @@ static int cx24116_read_status(struct dvb_frontend* fe, fe_status_t* status)
666 return 0; 673 return 0;
667} 674}
668 675
669static int cx24116_read_ber(struct dvb_frontend* fe, u32* ber) 676static int cx24116_read_ber(struct dvb_frontend *fe, u32 *ber)
670{ 677{
671 struct cx24116_state *state = fe->demodulator_priv; 678 struct cx24116_state *state = fe->demodulator_priv;
672 679
673 dprintk("%s()\n", __func__); 680 dprintk("%s()\n", __func__);
674 681
675 *ber = ( cx24116_readreg(state, CX24116_REG_BER24) << 24 ) | 682 *ber = (cx24116_readreg(state, CX24116_REG_BER24) << 24) |
676 ( cx24116_readreg(state, CX24116_REG_BER16) << 16 ) | 683 (cx24116_readreg(state, CX24116_REG_BER16) << 16) |
677 ( cx24116_readreg(state, CX24116_REG_BER8 ) << 8 ) | 684 (cx24116_readreg(state, CX24116_REG_BER8) << 8) |
678 cx24116_readreg(state, CX24116_REG_BER0 ); 685 cx24116_readreg(state, CX24116_REG_BER0);
679 686
680 return 0; 687 return 0;
681} 688}
682 689
683/* TODO Determine function and scale appropriately */ 690/* TODO Determine function and scale appropriately */
684static int cx24116_read_signal_strength(struct dvb_frontend* fe, u16* signal_strength) 691static int cx24116_read_signal_strength(struct dvb_frontend *fe,
692 u16 *signal_strength)
685{ 693{
686 struct cx24116_state *state = fe->demodulator_priv; 694 struct cx24116_state *state = fe->demodulator_priv;
687 struct cx24116_cmd cmd; 695 struct cx24116_cmd cmd;
@@ -692,39 +700,43 @@ static int cx24116_read_signal_strength(struct dvb_frontend* fe, u16* signal_str
692 700
693 /* Firmware CMD 19: Get AGC */ 701 /* Firmware CMD 19: Get AGC */
694 cmd.args[0x00] = CMD_GETAGC; 702 cmd.args[0x00] = CMD_GETAGC;
695 cmd.len= 0x01; 703 cmd.len = 0x01;
696 ret = cx24116_cmd_execute(fe, &cmd); 704 ret = cx24116_cmd_execute(fe, &cmd);
697 if (ret != 0) 705 if (ret != 0)
698 return ret; 706 return ret;
699 707
700 sig_reading = ( cx24116_readreg(state, CX24116_REG_SSTATUS) & CX24116_SIGNAL_MASK ) | 708 sig_reading =
701 ( cx24116_readreg(state, CX24116_REG_SIGNAL) << 6 ); 709 (cx24116_readreg(state,
702 *signal_strength= 0 - sig_reading; 710 CX24116_REG_SSTATUS) & CX24116_SIGNAL_MASK) |
711 (cx24116_readreg(state, CX24116_REG_SIGNAL) << 6);
712 *signal_strength = 0 - sig_reading;
703 713
704 dprintk("%s: raw / cooked = 0x%04x / 0x%04x\n", __func__, sig_reading, *signal_strength); 714 dprintk("%s: raw / cooked = 0x%04x / 0x%04x\n",
715 __func__, sig_reading, *signal_strength);
705 716
706 return 0; 717 return 0;
707} 718}
708 719
709/* SNR (0..100)% = (sig & 0xf0) * 10 + (sig & 0x0f) * 10 / 16 */ 720/* SNR (0..100)% = (sig & 0xf0) * 10 + (sig & 0x0f) * 10 / 16 */
710static int cx24116_read_snr_pct(struct dvb_frontend* fe, u16* snr) 721static int cx24116_read_snr_pct(struct dvb_frontend *fe, u16 *snr)
711{ 722{
712 struct cx24116_state *state = fe->demodulator_priv; 723 struct cx24116_state *state = fe->demodulator_priv;
713 u8 snr_reading; 724 u8 snr_reading;
714 static const u32 snr_tab[] = { /* 10 x Table (rounded up) */ 725 static const u32 snr_tab[] = { /* 10 x Table (rounded up) */
715 0x00000,0x0199A,0x03333,0x04ccD,0x06667, 726 0x00000, 0x0199A, 0x03333, 0x04ccD, 0x06667,
716 0x08000,0x0999A,0x0b333,0x0cccD,0x0e667, 727 0x08000, 0x0999A, 0x0b333, 0x0cccD, 0x0e667,
717 0x10000,0x1199A,0x13333,0x14ccD,0x16667,0x18000 }; 728 0x10000, 0x1199A, 0x13333, 0x14ccD, 0x16667,
729 0x18000 };
718 730
719 dprintk("%s()\n", __func__); 731 dprintk("%s()\n", __func__);
720 732
721 snr_reading = cx24116_readreg(state, CX24116_REG_QUALITY0); 733 snr_reading = cx24116_readreg(state, CX24116_REG_QUALITY0);
722 734
723 if(snr_reading >= 0xa0 /* 100% */) 735 if (snr_reading >= 0xa0 /* 100% */)
724 *snr = 0xffff; 736 *snr = 0xffff;
725 else 737 else
726 *snr = snr_tab [ ( snr_reading & 0xf0 ) >> 4 ] + 738 *snr = snr_tab[(snr_reading & 0xf0) >> 4] +
727 ( snr_tab [ ( snr_reading & 0x0f ) ] >> 4 ); 739 (snr_tab[(snr_reading & 0x0f)] >> 4);
728 740
729 dprintk("%s: raw / cooked = 0x%02x / 0x%04x\n", __func__, 741 dprintk("%s: raw / cooked = 0x%02x / 0x%04x\n", __func__,
730 snr_reading, *snr); 742 snr_reading, *snr);
@@ -736,7 +748,7 @@ static int cx24116_read_snr_pct(struct dvb_frontend* fe, u16* snr)
736 * ESNO, from 0->30db (values 0->300). We provide this value by 748 * ESNO, from 0->30db (values 0->300). We provide this value by
737 * default. 749 * default.
738 */ 750 */
739static int cx24116_read_snr_esno(struct dvb_frontend* fe, u16* snr) 751static int cx24116_read_snr_esno(struct dvb_frontend *fe, u16 *snr)
740{ 752{
741 struct cx24116_state *state = fe->demodulator_priv; 753 struct cx24116_state *state = fe->demodulator_priv;
742 754
@@ -750,7 +762,7 @@ static int cx24116_read_snr_esno(struct dvb_frontend* fe, u16* snr)
750 return 0; 762 return 0;
751} 763}
752 764
753static int cx24116_read_snr(struct dvb_frontend* fe, u16* snr) 765static int cx24116_read_snr(struct dvb_frontend *fe, u16 *snr)
754{ 766{
755 if (esno_snr == 1) 767 if (esno_snr == 1)
756 return cx24116_read_snr_esno(fe, snr); 768 return cx24116_read_snr_esno(fe, snr);
@@ -758,27 +770,27 @@ static int cx24116_read_snr(struct dvb_frontend* fe, u16* snr)
758 return cx24116_read_snr_pct(fe, snr); 770 return cx24116_read_snr_pct(fe, snr);
759} 771}
760 772
761static int cx24116_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks) 773static int cx24116_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks)
762{ 774{
763 struct cx24116_state *state = fe->demodulator_priv; 775 struct cx24116_state *state = fe->demodulator_priv;
764 776
765 dprintk("%s()\n", __func__); 777 dprintk("%s()\n", __func__);
766 778
767 *ucblocks = ( cx24116_readreg(state, CX24116_REG_UCB8) << 8 ) | 779 *ucblocks = (cx24116_readreg(state, CX24116_REG_UCB8) << 8) |
768 cx24116_readreg(state, CX24116_REG_UCB0); 780 cx24116_readreg(state, CX24116_REG_UCB0);
769 781
770 return 0; 782 return 0;
771} 783}
772 784
773/* Overwrite the current tuning params, we are about to tune */ 785/* Overwrite the current tuning params, we are about to tune */
774static void cx24116_clone_params(struct dvb_frontend* fe) 786static void cx24116_clone_params(struct dvb_frontend *fe)
775{ 787{
776 struct cx24116_state *state = fe->demodulator_priv; 788 struct cx24116_state *state = fe->demodulator_priv;
777 memcpy(&state->dcur, &state->dnxt, sizeof(state->dcur)); 789 memcpy(&state->dcur, &state->dnxt, sizeof(state->dcur));
778} 790}
779 791
780/* Wait for LNB */ 792/* Wait for LNB */
781static int cx24116_wait_for_lnb(struct dvb_frontend* fe) 793static int cx24116_wait_for_lnb(struct dvb_frontend *fe)
782{ 794{
783 struct cx24116_state *state = fe->demodulator_priv; 795 struct cx24116_state *state = fe->demodulator_priv;
784 int i; 796 int i;
@@ -787,7 +799,7 @@ static int cx24116_wait_for_lnb(struct dvb_frontend* fe)
787 cx24116_readreg(state, CX24116_REG_QSTATUS)); 799 cx24116_readreg(state, CX24116_REG_QSTATUS));
788 800
789 /* Wait for up to 300 ms */ 801 /* Wait for up to 300 ms */
790 for(i = 0; i < 30 ; i++) { 802 for (i = 0; i < 30 ; i++) {
791 if (cx24116_readreg(state, CX24116_REG_QSTATUS) & 0x20) 803 if (cx24116_readreg(state, CX24116_REG_QSTATUS) & 0x20)
792 return 0; 804 return 0;
793 msleep(10); 805 msleep(10);
@@ -798,20 +810,21 @@ static int cx24116_wait_for_lnb(struct dvb_frontend* fe)
798 return -ETIMEDOUT; /* -EBUSY ? */ 810 return -ETIMEDOUT; /* -EBUSY ? */
799} 811}
800 812
801static int cx24116_set_tone(struct dvb_frontend* fe, fe_sec_tone_mode_t tone) 813static int cx24116_set_tone(struct dvb_frontend *fe,
814 fe_sec_tone_mode_t tone)
802{ 815{
803 struct cx24116_cmd cmd; 816 struct cx24116_cmd cmd;
804 int ret; 817 int ret;
805 818
806 dprintk("%s(%d)\n", __func__, tone); 819 dprintk("%s(%d)\n", __func__, tone);
807 if ( (tone != SEC_TONE_ON) && (tone != SEC_TONE_OFF) ) { 820 if ((tone != SEC_TONE_ON) && (tone != SEC_TONE_OFF)) {
808 printk("%s: Invalid, tone=%d\n", __func__, tone); 821 printk("%s: Invalid, tone=%d\n", __func__, tone);
809 return -EINVAL; 822 return -EINVAL;
810 } 823 }
811 824
812 /* Wait for LNB ready */ 825 /* Wait for LNB ready */
813 ret = cx24116_wait_for_lnb(fe); 826 ret = cx24116_wait_for_lnb(fe);
814 if(ret != 0) 827 if (ret != 0)
815 return ret; 828 return ret;
816 829
817 /* Min delay time after DiSEqC send */ 830 /* Min delay time after DiSEqC send */
@@ -820,7 +833,7 @@ static int cx24116_set_tone(struct dvb_frontend* fe, fe_sec_tone_mode_t tone)
820 /* This is always done before the tone is set */ 833 /* This is always done before the tone is set */
821 cmd.args[0x00] = CMD_SET_TONEPRE; 834 cmd.args[0x00] = CMD_SET_TONEPRE;
822 cmd.args[0x01] = 0x00; 835 cmd.args[0x01] = 0x00;
823 cmd.len= 0x02; 836 cmd.len = 0x02;
824 ret = cx24116_cmd_execute(fe, &cmd); 837 ret = cx24116_cmd_execute(fe, &cmd);
825 if (ret != 0) 838 if (ret != 0)
826 return ret; 839 return ret;
@@ -836,11 +849,11 @@ static int cx24116_set_tone(struct dvb_frontend* fe, fe_sec_tone_mode_t tone)
836 cmd.args[0x03] = 0x01; 849 cmd.args[0x03] = 0x01;
837 break; 850 break;
838 case SEC_TONE_OFF: 851 case SEC_TONE_OFF:
839 dprintk("%s: setting tone off\n",__func__); 852 dprintk("%s: setting tone off\n", __func__);
840 cmd.args[0x03] = 0x00; 853 cmd.args[0x03] = 0x00;
841 break; 854 break;
842 } 855 }
843 cmd.len= 0x04; 856 cmd.len = 0x04;
844 857
845 /* Min delay time before DiSEqC send */ 858 /* Min delay time before DiSEqC send */
846 msleep(15); /* XXX determine is FW does this, see send_diseqc/burst */ 859 msleep(15); /* XXX determine is FW does this, see send_diseqc/burst */
@@ -849,7 +862,7 @@ static int cx24116_set_tone(struct dvb_frontend* fe, fe_sec_tone_mode_t tone)
849} 862}
850 863
851/* Initialise DiSEqC */ 864/* Initialise DiSEqC */
852static int cx24116_diseqc_init(struct dvb_frontend* fe) 865static int cx24116_diseqc_init(struct dvb_frontend *fe)
853{ 866{
854 struct cx24116_state *state = fe->demodulator_priv; 867 struct cx24116_state *state = fe->demodulator_priv;
855 struct cx24116_cmd cmd; 868 struct cx24116_cmd cmd;
@@ -864,7 +877,7 @@ static int cx24116_diseqc_init(struct dvb_frontend* fe)
864 cmd.args[0x05] = 0x28; 877 cmd.args[0x05] = 0x28;
865 cmd.args[0x06] = (toneburst == CX24116_DISEQC_TONEOFF) ? 0x00 : 0x01; 878 cmd.args[0x06] = (toneburst == CX24116_DISEQC_TONEOFF) ? 0x00 : 0x01;
866 cmd.args[0x07] = 0x01; 879 cmd.args[0x07] = 0x01;
867 cmd.len= 0x08; 880 cmd.len = 0x08;
868 ret = cx24116_cmd_execute(fe, &cmd); 881 ret = cx24116_cmd_execute(fe, &cmd);
869 if (ret != 0) 882 if (ret != 0)
870 return ret; 883 return ret;
@@ -884,13 +897,14 @@ static int cx24116_diseqc_init(struct dvb_frontend* fe)
884 state->dsec_cmd.args[CX24116_DISEQC_MSGLEN] = 0x00; 897 state->dsec_cmd.args[CX24116_DISEQC_MSGLEN] = 0x00;
885 898
886 /* Command length */ 899 /* Command length */
887 state->dsec_cmd.len= CX24116_DISEQC_MSGOFS; 900 state->dsec_cmd.len = CX24116_DISEQC_MSGOFS;
888 901
889 return 0; 902 return 0;
890} 903}
891 904
892/* Send DiSEqC message with derived burst (hack) || previous burst */ 905/* Send DiSEqC message with derived burst (hack) || previous burst */
893static int cx24116_send_diseqc_msg(struct dvb_frontend* fe, struct dvb_diseqc_master_cmd *d) 906static int cx24116_send_diseqc_msg(struct dvb_frontend *fe,
907 struct dvb_diseqc_master_cmd *d)
894{ 908{
895 struct cx24116_state *state = fe->demodulator_priv; 909 struct cx24116_state *state = fe->demodulator_priv;
896 int i, ret; 910 int i, ret;
@@ -898,16 +912,16 @@ static int cx24116_send_diseqc_msg(struct dvb_frontend* fe, struct dvb_diseqc_ma
898 /* Dump DiSEqC message */ 912 /* Dump DiSEqC message */
899 if (debug) { 913 if (debug) {
900 printk("cx24116: %s(", __func__); 914 printk("cx24116: %s(", __func__);
901 for(i = 0 ; i < d->msg_len ;) { 915 for (i = 0 ; i < d->msg_len ;) {
902 printk("0x%02x", d->msg[i]); 916 printk("0x%02x", d->msg[i]);
903 if(++i < d->msg_len) 917 if (++i < d->msg_len)
904 printk(", "); 918 printk(", ");
905 } 919 }
906 printk(") toneburst=%d\n", toneburst); 920 printk(") toneburst=%d\n", toneburst);
907 } 921 }
908 922
909 /* Validate length */ 923 /* Validate length */
910 if(d->msg_len > (CX24116_ARGLEN - CX24116_DISEQC_MSGOFS)) 924 if (d->msg_len > (CX24116_ARGLEN - CX24116_DISEQC_MSGOFS))
911 return -EINVAL; 925 return -EINVAL;
912 926
913 /* DiSEqC message */ 927 /* DiSEqC message */
@@ -918,18 +932,19 @@ static int cx24116_send_diseqc_msg(struct dvb_frontend* fe, struct dvb_diseqc_ma
918 state->dsec_cmd.args[CX24116_DISEQC_MSGLEN] = d->msg_len; 932 state->dsec_cmd.args[CX24116_DISEQC_MSGLEN] = d->msg_len;
919 933
920 /* Command length */ 934 /* Command length */
921 state->dsec_cmd.len= CX24116_DISEQC_MSGOFS + state->dsec_cmd.args[CX24116_DISEQC_MSGLEN]; 935 state->dsec_cmd.len = CX24116_DISEQC_MSGOFS +
936 state->dsec_cmd.args[CX24116_DISEQC_MSGLEN];
922 937
923 /* DiSEqC toneburst */ 938 /* DiSEqC toneburst */
924 if(toneburst == CX24116_DISEQC_MESGCACHE) 939 if (toneburst == CX24116_DISEQC_MESGCACHE)
925 /* Message is cached */ 940 /* Message is cached */
926 return 0; 941 return 0;
927 942
928 else if(toneburst == CX24116_DISEQC_TONEOFF) 943 else if (toneburst == CX24116_DISEQC_TONEOFF)
929 /* Message is sent without burst */ 944 /* Message is sent without burst */
930 state->dsec_cmd.args[CX24116_DISEQC_BURST] = 0; 945 state->dsec_cmd.args[CX24116_DISEQC_BURST] = 0;
931 946
932 else if(toneburst == CX24116_DISEQC_TONECACHE) { 947 else if (toneburst == CX24116_DISEQC_TONECACHE) {
933 /* 948 /*
934 * Message is sent with derived else cached burst 949 * Message is sent with derived else cached burst
935 * 950 *
@@ -948,15 +963,17 @@ static int cx24116_send_diseqc_msg(struct dvb_frontend* fe, struct dvb_diseqc_ma
948 * Y = VOLTAGE (0=13V, 1=18V) 963 * Y = VOLTAGE (0=13V, 1=18V)
949 * Z = BAND (0=LOW, 1=HIGH(22K)) 964 * Z = BAND (0=LOW, 1=HIGH(22K))
950 */ 965 */
951 if(d->msg_len >= 4 && d->msg[2] == 0x38) 966 if (d->msg_len >= 4 && d->msg[2] == 0x38)
952 state->dsec_cmd.args[CX24116_DISEQC_BURST] = ((d->msg[3] & 4) >> 2); 967 state->dsec_cmd.args[CX24116_DISEQC_BURST] =
953 if(debug) 968 ((d->msg[3] & 4) >> 2);
954 dprintk("%s burst=%d\n", __func__, state->dsec_cmd.args[CX24116_DISEQC_BURST]); 969 if (debug)
970 dprintk("%s burst=%d\n", __func__,
971 state->dsec_cmd.args[CX24116_DISEQC_BURST]);
955 } 972 }
956 973
957 /* Wait for LNB ready */ 974 /* Wait for LNB ready */
958 ret = cx24116_wait_for_lnb(fe); 975 ret = cx24116_wait_for_lnb(fe);
959 if(ret != 0) 976 if (ret != 0)
960 return ret; 977 return ret;
961 978
962 /* Wait for voltage/min repeat delay */ 979 /* Wait for voltage/min repeat delay */
@@ -964,7 +981,7 @@ static int cx24116_send_diseqc_msg(struct dvb_frontend* fe, struct dvb_diseqc_ma
964 981
965 /* Command */ 982 /* Command */
966 ret = cx24116_cmd_execute(fe, &state->dsec_cmd); 983 ret = cx24116_cmd_execute(fe, &state->dsec_cmd);
967 if(ret != 0) 984 if (ret != 0)
968 return ret; 985 return ret;
969 /* 986 /*
970 * Wait for send 987 * Wait for send
@@ -976,29 +993,33 @@ static int cx24116_send_diseqc_msg(struct dvb_frontend* fe, struct dvb_diseqc_ma
976 * 12.5ms burst + 993 * 12.5ms burst +
977 * >15ms delay (XXX determine if FW does this, see set_tone) 994 * >15ms delay (XXX determine if FW does this, see set_tone)
978 */ 995 */
979 msleep( (state->dsec_cmd.args[CX24116_DISEQC_MSGLEN] << 4) + ((toneburst == CX24116_DISEQC_TONEOFF) ? 30 : 60) ); 996 msleep((state->dsec_cmd.args[CX24116_DISEQC_MSGLEN] << 4) +
997 ((toneburst == CX24116_DISEQC_TONEOFF) ? 30 : 60));
980 998
981 return 0; 999 return 0;
982} 1000}
983 1001
984/* Send DiSEqC burst */ 1002/* Send DiSEqC burst */
985static int cx24116_diseqc_send_burst(struct dvb_frontend* fe, fe_sec_mini_cmd_t burst) 1003static int cx24116_diseqc_send_burst(struct dvb_frontend *fe,
1004 fe_sec_mini_cmd_t burst)
986{ 1005{
987 struct cx24116_state *state = fe->demodulator_priv; 1006 struct cx24116_state *state = fe->demodulator_priv;
988 int ret; 1007 int ret;
989 1008
990 dprintk("%s(%d) toneburst=%d\n",__func__, burst, toneburst); 1009 dprintk("%s(%d) toneburst=%d\n", __func__, burst, toneburst);
991 1010
992 /* DiSEqC burst */ 1011 /* DiSEqC burst */
993 if (burst == SEC_MINI_A) 1012 if (burst == SEC_MINI_A)
994 state->dsec_cmd.args[CX24116_DISEQC_BURST] = CX24116_DISEQC_MINI_A; 1013 state->dsec_cmd.args[CX24116_DISEQC_BURST] =
995 else if(burst == SEC_MINI_B) 1014 CX24116_DISEQC_MINI_A;
996 state->dsec_cmd.args[CX24116_DISEQC_BURST] = CX24116_DISEQC_MINI_B; 1015 else if (burst == SEC_MINI_B)
1016 state->dsec_cmd.args[CX24116_DISEQC_BURST] =
1017 CX24116_DISEQC_MINI_B;
997 else 1018 else
998 return -EINVAL; 1019 return -EINVAL;
999 1020
1000 /* DiSEqC toneburst */ 1021 /* DiSEqC toneburst */
1001 if(toneburst != CX24116_DISEQC_MESGCACHE) 1022 if (toneburst != CX24116_DISEQC_MESGCACHE)
1002 /* Burst is cached */ 1023 /* Burst is cached */
1003 return 0; 1024 return 0;
1004 1025
@@ -1006,7 +1027,7 @@ static int cx24116_diseqc_send_burst(struct dvb_frontend* fe, fe_sec_mini_cmd_t
1006 1027
1007 /* Wait for LNB ready */ 1028 /* Wait for LNB ready */
1008 ret = cx24116_wait_for_lnb(fe); 1029 ret = cx24116_wait_for_lnb(fe);
1009 if(ret != 0) 1030 if (ret != 0)
1010 return ret; 1031 return ret;
1011 1032
1012 /* Wait for voltage/min repeat delay */ 1033 /* Wait for voltage/min repeat delay */
@@ -1014,7 +1035,7 @@ static int cx24116_diseqc_send_burst(struct dvb_frontend* fe, fe_sec_mini_cmd_t
1014 1035
1015 /* Command */ 1036 /* Command */
1016 ret = cx24116_cmd_execute(fe, &state->dsec_cmd); 1037 ret = cx24116_cmd_execute(fe, &state->dsec_cmd);
1017 if(ret != 0) 1038 if (ret != 0)
1018 return ret; 1039 return ret;
1019 1040
1020 /* 1041 /*
@@ -1027,27 +1048,27 @@ static int cx24116_diseqc_send_burst(struct dvb_frontend* fe, fe_sec_mini_cmd_t
1027 * 12.5ms burst + 1048 * 12.5ms burst +
1028 * >15ms delay (XXX determine if FW does this, see set_tone) 1049 * >15ms delay (XXX determine if FW does this, see set_tone)
1029 */ 1050 */
1030 msleep( (state->dsec_cmd.args[CX24116_DISEQC_MSGLEN] << 4) + 60 ); 1051 msleep((state->dsec_cmd.args[CX24116_DISEQC_MSGLEN] << 4) + 60);
1031 1052
1032 return 0; 1053 return 0;
1033} 1054}
1034 1055
1035static void cx24116_release(struct dvb_frontend* fe) 1056static void cx24116_release(struct dvb_frontend *fe)
1036{ 1057{
1037 struct cx24116_state* state = fe->demodulator_priv; 1058 struct cx24116_state *state = fe->demodulator_priv;
1038 dprintk("%s\n",__func__); 1059 dprintk("%s\n", __func__);
1039 kfree(state); 1060 kfree(state);
1040} 1061}
1041 1062
1042static struct dvb_frontend_ops cx24116_ops; 1063static struct dvb_frontend_ops cx24116_ops;
1043 1064
1044struct dvb_frontend* cx24116_attach(const struct cx24116_config* config, 1065struct dvb_frontend *cx24116_attach(const struct cx24116_config *config,
1045 struct i2c_adapter* i2c) 1066 struct i2c_adapter *i2c)
1046{ 1067{
1047 struct cx24116_state* state = NULL; 1068 struct cx24116_state *state = NULL;
1048 int ret; 1069 int ret;
1049 1070
1050 dprintk("%s\n",__func__); 1071 dprintk("%s\n", __func__);
1051 1072
1052 /* allocate memory for the internal state */ 1073 /* allocate memory for the internal state */
1053 state = kmalloc(sizeof(struct cx24116_state), GFP_KERNEL); 1074 state = kmalloc(sizeof(struct cx24116_state), GFP_KERNEL);
@@ -1077,18 +1098,20 @@ struct dvb_frontend* cx24116_attach(const struct cx24116_config* config,
1077error2: kfree(state); 1098error2: kfree(state);
1078error1: return NULL; 1099error1: return NULL;
1079} 1100}
1101EXPORT_SYMBOL(cx24116_attach);
1102
1080/* 1103/*
1081 * Initialise or wake up device 1104 * Initialise or wake up device
1082 * 1105 *
1083 * Power config will reset and load initial firmware if required 1106 * Power config will reset and load initial firmware if required
1084 */ 1107 */
1085static int cx24116_initfe(struct dvb_frontend* fe) 1108static int cx24116_initfe(struct dvb_frontend *fe)
1086{ 1109{
1087 struct cx24116_state* state = fe->demodulator_priv; 1110 struct cx24116_state *state = fe->demodulator_priv;
1088 struct cx24116_cmd cmd; 1111 struct cx24116_cmd cmd;
1089 int ret; 1112 int ret;
1090 1113
1091 dprintk("%s()\n",__func__); 1114 dprintk("%s()\n", __func__);
1092 1115
1093 /* Power on */ 1116 /* Power on */
1094 cx24116_writereg(state, 0xe0, 0); 1117 cx24116_writereg(state, 0xe0, 0);
@@ -1098,9 +1121,9 @@ static int cx24116_initfe(struct dvb_frontend* fe)
1098 /* Firmware CMD 36: Power config */ 1121 /* Firmware CMD 36: Power config */
1099 cmd.args[0x00] = CMD_TUNERSLEEP; 1122 cmd.args[0x00] = CMD_TUNERSLEEP;
1100 cmd.args[0x01] = 0; 1123 cmd.args[0x01] = 0;
1101 cmd.len= 0x02; 1124 cmd.len = 0x02;
1102 ret = cx24116_cmd_execute(fe, &cmd); 1125 ret = cx24116_cmd_execute(fe, &cmd);
1103 if(ret != 0) 1126 if (ret != 0)
1104 return ret; 1127 return ret;
1105 1128
1106 return cx24116_diseqc_init(fe); 1129 return cx24116_diseqc_init(fe);
@@ -1109,20 +1132,20 @@ static int cx24116_initfe(struct dvb_frontend* fe)
1109/* 1132/*
1110 * Put device to sleep 1133 * Put device to sleep
1111 */ 1134 */
1112static int cx24116_sleep(struct dvb_frontend* fe) 1135static int cx24116_sleep(struct dvb_frontend *fe)
1113{ 1136{
1114 struct cx24116_state* state = fe->demodulator_priv; 1137 struct cx24116_state *state = fe->demodulator_priv;
1115 struct cx24116_cmd cmd; 1138 struct cx24116_cmd cmd;
1116 int ret; 1139 int ret;
1117 1140
1118 dprintk("%s()\n",__func__); 1141 dprintk("%s()\n", __func__);
1119 1142
1120 /* Firmware CMD 36: Power config */ 1143 /* Firmware CMD 36: Power config */
1121 cmd.args[0x00] = CMD_TUNERSLEEP; 1144 cmd.args[0x00] = CMD_TUNERSLEEP;
1122 cmd.args[0x01] = 1; 1145 cmd.args[0x01] = 1;
1123 cmd.len= 0x02; 1146 cmd.len = 0x02;
1124 ret = cx24116_cmd_execute(fe, &cmd); 1147 ret = cx24116_cmd_execute(fe, &cmd);
1125 if(ret != 0) 1148 if (ret != 0)
1126 return ret; 1149 return ret;
1127 1150
1128 /* Power off (Shutdown clocks) */ 1151 /* Power off (Shutdown clocks) */
@@ -1133,13 +1156,15 @@ static int cx24116_sleep(struct dvb_frontend* fe)
1133 return 0; 1156 return 0;
1134} 1157}
1135 1158
1136static int cx24116_set_property(struct dvb_frontend *fe, struct dtv_property* tvp) 1159static int cx24116_set_property(struct dvb_frontend *fe,
1160 struct dtv_property *tvp)
1137{ 1161{
1138 dprintk("%s(..)\n", __func__); 1162 dprintk("%s(..)\n", __func__);
1139 return 0; 1163 return 0;
1140} 1164}
1141 1165
1142static int cx24116_get_property(struct dvb_frontend *fe, struct dtv_property* tvp) 1166static int cx24116_get_property(struct dvb_frontend *fe,
1167 struct dtv_property *tvp)
1143{ 1168{
1144 dprintk("%s(..)\n", __func__); 1169 dprintk("%s(..)\n", __func__);
1145 return 0; 1170 return 0;
@@ -1148,7 +1173,8 @@ static int cx24116_get_property(struct dvb_frontend *fe, struct dtv_property* tv
1148/* dvb-core told us to tune, the tv property cache will be complete, 1173/* dvb-core told us to tune, the tv property cache will be complete,
1149 * it's safe for is to pull values and use them for tuning purposes. 1174 * it's safe for is to pull values and use them for tuning purposes.
1150 */ 1175 */
1151static int cx24116_set_frontend(struct dvb_frontend* fe, struct dvb_frontend_parameters *p) 1176static int cx24116_set_frontend(struct dvb_frontend *fe,
1177 struct dvb_frontend_parameters *p)
1152{ 1178{
1153 struct cx24116_state *state = fe->demodulator_priv; 1179 struct cx24116_state *state = fe->demodulator_priv;
1154 struct dtv_frontend_properties *c = &fe->dtv_property_cache; 1180 struct dtv_frontend_properties *c = &fe->dtv_property_cache;
@@ -1156,96 +1182,99 @@ static int cx24116_set_frontend(struct dvb_frontend* fe, struct dvb_frontend_par
1156 fe_status_t tunerstat; 1182 fe_status_t tunerstat;
1157 int i, status, ret, retune; 1183 int i, status, ret, retune;
1158 1184
1159 dprintk("%s()\n",__func__); 1185 dprintk("%s()\n", __func__);
1160 1186
1161 switch(c->delivery_system) { 1187 switch (c->delivery_system) {
1162 case SYS_DVBS: 1188 case SYS_DVBS:
1163 dprintk("%s: DVB-S delivery system selected\n",__func__); 1189 dprintk("%s: DVB-S delivery system selected\n", __func__);
1164 1190
1165 /* Only QPSK is supported for DVB-S */ 1191 /* Only QPSK is supported for DVB-S */
1166 if(c->modulation != QPSK) { 1192 if (c->modulation != QPSK) {
1167 dprintk("%s: unsupported modulation selected (%d)\n", 1193 dprintk("%s: unsupported modulation selected (%d)\n",
1168 __func__, c->modulation); 1194 __func__, c->modulation);
1169 return -EOPNOTSUPP; 1195 return -EOPNOTSUPP;
1170 } 1196 }
1171 1197
1172 /* Pilot doesn't exist in DVB-S, turn bit off */ 1198 /* Pilot doesn't exist in DVB-S, turn bit off */
1173 state->dnxt.pilot_val = CX24116_PILOT_OFF; 1199 state->dnxt.pilot_val = CX24116_PILOT_OFF;
1174 retune = 1; 1200 retune = 1;
1175 1201
1176 /* DVB-S only supports 0.35 */ 1202 /* DVB-S only supports 0.35 */
1177 if(c->rolloff != ROLLOFF_35) { 1203 if (c->rolloff != ROLLOFF_35) {
1178 dprintk("%s: unsupported rolloff selected (%d)\n", 1204 dprintk("%s: unsupported rolloff selected (%d)\n",
1179 __func__, c->rolloff); 1205 __func__, c->rolloff);
1180 return -EOPNOTSUPP; 1206 return -EOPNOTSUPP;
1181 } 1207 }
1182 state->dnxt.rolloff_val = CX24116_ROLLOFF_035; 1208 state->dnxt.rolloff_val = CX24116_ROLLOFF_035;
1183 break; 1209 break;
1184 1210
1185 case SYS_DVBS2: 1211 case SYS_DVBS2:
1186 dprintk("%s: DVB-S2 delivery system selected\n",__func__); 1212 dprintk("%s: DVB-S2 delivery system selected\n", __func__);
1187
1188 /*
1189 * NBC 8PSK/QPSK with DVB-S is supported for DVB-S2,
1190 * but not hardware auto detection
1191 */
1192 if(c->modulation != PSK_8 && c->modulation != QPSK) {
1193 dprintk("%s: unsupported modulation selected (%d)\n",
1194 __func__, c->modulation);
1195 return -EOPNOTSUPP;
1196 }
1197 1213
1198 switch(c->pilot) { 1214 /*
1199 case PILOT_AUTO: /* Not supported but emulated */ 1215 * NBC 8PSK/QPSK with DVB-S is supported for DVB-S2,
1200 retune = 2; /* Fall-through */ 1216 * but not hardware auto detection
1201 case PILOT_OFF: 1217 */
1202 state->dnxt.pilot_val = CX24116_PILOT_OFF; 1218 if (c->modulation != PSK_8 && c->modulation != QPSK) {
1203 break; 1219 dprintk("%s: unsupported modulation selected (%d)\n",
1204 case PILOT_ON: 1220 __func__, c->modulation);
1205 state->dnxt.pilot_val = CX24116_PILOT_ON; 1221 return -EOPNOTSUPP;
1206 break; 1222 }
1207 default:
1208 dprintk("%s: unsupported pilot mode selected (%d)\n",
1209 __func__, c->pilot);
1210 return -EOPNOTSUPP;
1211 }
1212 1223
1213 switch(c->rolloff) { 1224 switch (c->pilot) {
1214 case ROLLOFF_20: 1225 case PILOT_AUTO: /* Not supported but emulated */
1215 state->dnxt.rolloff_val= CX24116_ROLLOFF_020; 1226 retune = 2; /* Fall-through */
1216 break; 1227 case PILOT_OFF:
1217 case ROLLOFF_25: 1228 state->dnxt.pilot_val = CX24116_PILOT_OFF;
1218 state->dnxt.rolloff_val= CX24116_ROLLOFF_025; 1229 break;
1219 break; 1230 case PILOT_ON:
1220 case ROLLOFF_35: 1231 state->dnxt.pilot_val = CX24116_PILOT_ON;
1221 state->dnxt.rolloff_val= CX24116_ROLLOFF_035;
1222 break;
1223 case ROLLOFF_AUTO: /* Rolloff must be explicit */
1224 default:
1225 dprintk("%s: unsupported rolloff selected (%d)\n",
1226 __func__, c->rolloff);
1227 return -EOPNOTSUPP;
1228 }
1229 break; 1232 break;
1233 default:
1234 dprintk("%s: unsupported pilot mode selected (%d)\n",
1235 __func__, c->pilot);
1236 return -EOPNOTSUPP;
1237 }
1230 1238
1239 switch (c->rolloff) {
1240 case ROLLOFF_20:
1241 state->dnxt.rolloff_val = CX24116_ROLLOFF_020;
1242 break;
1243 case ROLLOFF_25:
1244 state->dnxt.rolloff_val = CX24116_ROLLOFF_025;
1245 break;
1246 case ROLLOFF_35:
1247 state->dnxt.rolloff_val = CX24116_ROLLOFF_035;
1248 break;
1249 case ROLLOFF_AUTO: /* Rolloff must be explicit */
1231 default: 1250 default:
1232 dprintk("%s: unsupported delivery system selected (%d)\n", 1251 dprintk("%s: unsupported rolloff selected (%d)\n",
1233 __func__, c->delivery_system); 1252 __func__, c->rolloff);
1234 return -EOPNOTSUPP; 1253 return -EOPNOTSUPP;
1254 }
1255 break;
1256
1257 default:
1258 dprintk("%s: unsupported delivery system selected (%d)\n",
1259 __func__, c->delivery_system);
1260 return -EOPNOTSUPP;
1235 } 1261 }
1236 state->dnxt.modulation = c->modulation; 1262 state->dnxt.modulation = c->modulation;
1237 state->dnxt.frequency = c->frequency; 1263 state->dnxt.frequency = c->frequency;
1238 state->dnxt.pilot = c->pilot; 1264 state->dnxt.pilot = c->pilot;
1239 state->dnxt.rolloff = c->rolloff; 1265 state->dnxt.rolloff = c->rolloff;
1240 1266
1241 if ((ret = cx24116_set_inversion(state, c->inversion)) != 0) 1267 ret = cx24116_set_inversion(state, c->inversion);
1268 if (ret != 0)
1242 return ret; 1269 return ret;
1243 1270
1244 /* FEC_NONE/AUTO for DVB-S2 is not supported and detected here */ 1271 /* FEC_NONE/AUTO for DVB-S2 is not supported and detected here */
1245 if ((ret = cx24116_set_fec(state, c->modulation, c->fec_inner)) != 0) 1272 ret = cx24116_set_fec(state, c->modulation, c->fec_inner);
1273 if (ret != 0)
1246 return ret; 1274 return ret;
1247 1275
1248 if ((ret = cx24116_set_symbolrate(state, c->symbol_rate)) != 0) 1276 ret = cx24116_set_symbolrate(state, c->symbol_rate);
1277 if (ret != 0)
1249 return ret; 1278 return ret;
1250 1279
1251 /* discard the 'current' tuning parameters and prepare to tune */ 1280 /* discard the 'current' tuning parameters and prepare to tune */
@@ -1271,7 +1300,7 @@ static int cx24116_set_frontend(struct dvb_frontend* fe, struct dvb_frontend_par
1271 /* Set/Reset B/W */ 1300 /* Set/Reset B/W */
1272 cmd.args[0x00] = CMD_BANDWIDTH; 1301 cmd.args[0x00] = CMD_BANDWIDTH;
1273 cmd.args[0x01] = 0x01; 1302 cmd.args[0x01] = 0x01;
1274 cmd.len= 0x02; 1303 cmd.len = 0x02;
1275 ret = cx24116_cmd_execute(fe, &cmd); 1304 ret = cx24116_cmd_execute(fe, &cmd);
1276 if (ret != 0) 1305 if (ret != 0)
1277 return ret; 1306 return ret;
@@ -1319,7 +1348,7 @@ static int cx24116_set_frontend(struct dvb_frontend* fe, struct dvb_frontend_par
1319 cx24116_writereg(state, CX24116_REG_RATEDIV, 0x00); 1348 cx24116_writereg(state, CX24116_REG_RATEDIV, 0x00);
1320 } 1349 }
1321 1350
1322 cmd.len= 0x13; 1351 cmd.len = 0x13;
1323 1352
1324 /* We need to support pilot and non-pilot tuning in the 1353 /* We need to support pilot and non-pilot tuning in the
1325 * driver automatically. This is a workaround for because 1354 * driver automatically. This is a workaround for because
@@ -1327,12 +1356,13 @@ static int cx24116_set_frontend(struct dvb_frontend* fe, struct dvb_frontend_par
1327 */ 1356 */
1328 do { 1357 do {
1329 /* Reset status register */ 1358 /* Reset status register */
1330 status = cx24116_readreg(state, CX24116_REG_SSTATUS) & CX24116_SIGNAL_MASK; 1359 status = cx24116_readreg(state, CX24116_REG_SSTATUS)
1360 & CX24116_SIGNAL_MASK;
1331 cx24116_writereg(state, CX24116_REG_SSTATUS, status); 1361 cx24116_writereg(state, CX24116_REG_SSTATUS, status);
1332 1362
1333 /* Tune */ 1363 /* Tune */
1334 ret = cx24116_cmd_execute(fe, &cmd); 1364 ret = cx24116_cmd_execute(fe, &cmd);
1335 if( ret != 0 ) 1365 if (ret != 0)
1336 break; 1366 break;
1337 1367
1338 /* 1368 /*
@@ -1341,28 +1371,27 @@ static int cx24116_set_frontend(struct dvb_frontend* fe, struct dvb_frontend_par
1341 * If we are able to tune then generally it occurs within 100ms. 1371 * If we are able to tune then generally it occurs within 100ms.
1342 * If it takes longer, try a different toneburst setting. 1372 * If it takes longer, try a different toneburst setting.
1343 */ 1373 */
1344 for(i = 0; i < 50 ; i++) { 1374 for (i = 0; i < 50 ; i++) {
1345 cx24116_read_status(fe, &tunerstat); 1375 cx24116_read_status(fe, &tunerstat);
1346 status = tunerstat & (FE_HAS_SIGNAL | FE_HAS_SYNC); 1376 status = tunerstat & (FE_HAS_SIGNAL | FE_HAS_SYNC);
1347 if(status == (FE_HAS_SIGNAL | FE_HAS_SYNC)) { 1377 if (status == (FE_HAS_SIGNAL | FE_HAS_SYNC)) {
1348 dprintk("%s: Tuned\n",__func__); 1378 dprintk("%s: Tuned\n", __func__);
1349 goto tuned; 1379 goto tuned;
1350 } 1380 }
1351 msleep(10); 1381 msleep(10);
1352 } 1382 }
1353 1383
1354 dprintk("%s: Not tuned\n",__func__); 1384 dprintk("%s: Not tuned\n", __func__);
1355 1385
1356 /* Toggle pilot bit when in auto-pilot */ 1386 /* Toggle pilot bit when in auto-pilot */
1357 if(state->dcur.pilot == PILOT_AUTO) 1387 if (state->dcur.pilot == PILOT_AUTO)
1358 cmd.args[0x07] ^= CX24116_PILOT_ON; 1388 cmd.args[0x07] ^= CX24116_PILOT_ON;
1359 } 1389 } while (--retune);
1360 while(--retune);
1361 1390
1362tuned: /* Set/Reset B/W */ 1391tuned: /* Set/Reset B/W */
1363 cmd.args[0x00] = CMD_BANDWIDTH; 1392 cmd.args[0x00] = CMD_BANDWIDTH;
1364 cmd.args[0x01] = 0x00; 1393 cmd.args[0x01] = 0x00;
1365 cmd.len= 0x02; 1394 cmd.len = 0x02;
1366 ret = cx24116_cmd_execute(fe, &cmd); 1395 ret = cx24116_cmd_execute(fe, &cmd);
1367 if (ret != 0) 1396 if (ret != 0)
1368 return ret; 1397 return ret;
@@ -1407,17 +1436,7 @@ static struct dvb_frontend_ops cx24116_ops = {
1407 .set_frontend = cx24116_set_frontend, 1436 .set_frontend = cx24116_set_frontend,
1408}; 1437};
1409 1438
1410module_param(debug, int, 0644);
1411MODULE_PARM_DESC(debug, "Activates frontend debugging (default:0)");
1412
1413module_param(toneburst, int, 0644);
1414MODULE_PARM_DESC(toneburst, "DiSEqC toneburst 0=OFF, 1=TONE CACHE, 2=MESSAGE CACHE (default:1)");
1415
1416module_param(esno_snr, int, 0644);
1417MODULE_PARM_DESC(debug, "SNR return units, 0=PERCENTAGE 0-100, 1=ESNO(db * 10) (default:0)");
1418
1419MODULE_DESCRIPTION("DVB Frontend module for Conexant cx24116/cx24118 hardware"); 1439MODULE_DESCRIPTION("DVB Frontend module for Conexant cx24116/cx24118 hardware");
1420MODULE_AUTHOR("Steven Toth"); 1440MODULE_AUTHOR("Steven Toth");
1421MODULE_LICENSE("GPL"); 1441MODULE_LICENSE("GPL");
1422 1442
1423EXPORT_SYMBOL(cx24116_attach);
diff --git a/drivers/media/dvb/frontends/cx24116.h b/drivers/media/dvb/frontends/cx24116.h
index 2b09e10872fd..4cb3ddd6c626 100644
--- a/drivers/media/dvb/frontends/cx24116.h
+++ b/drivers/media/dvb/frontends/cx24116.h
@@ -23,31 +23,32 @@
23 23
24#include <linux/dvb/frontend.h> 24#include <linux/dvb/frontend.h>
25 25
26struct cx24116_config 26struct cx24116_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 /* Need to reset device during firmware loading */ 33 /* Need to reset device during firmware loading */
35 int (*reset_device)(struct dvb_frontend* fe); 34 int (*reset_device)(struct dvb_frontend *fe);
36 35
37 /* Need to set MPEG parameters */ 36 /* Need to set MPEG parameters */
38 u8 mpg_clk_pos_pol:0x02; 37 u8 mpg_clk_pos_pol:0x02;
39}; 38};
40 39
41#if defined(CONFIG_DVB_CX24116) || defined(CONFIG_DVB_CX24116_MODULE) 40#if defined(CONFIG_DVB_CX24116) || defined(CONFIG_DVB_CX24116_MODULE)
42extern struct dvb_frontend* cx24116_attach(const struct cx24116_config* config, 41extern struct dvb_frontend *cx24116_attach(
43 struct i2c_adapter* i2c); 42 const struct cx24116_config *config,
43 struct i2c_adapter *i2c);
44#else 44#else
45static inline struct dvb_frontend* cx24116_attach(const struct cx24116_config* config, 45static inline struct dvb_frontend *cx24116_attach(
46 struct i2c_adapter* i2c) 46 const struct cx24116_config *config,
47 struct i2c_adapter *i2c)
47{ 48{
48 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); 49 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
49 return NULL; 50 return NULL;
50} 51}
51#endif // CONFIG_DVB_CX24116 52#endif
52 53
53#endif /* CX24116_H */ 54#endif /* CX24116_H */