2 * Linux driver for digital TV devices equipped with B2C2 FlexcopII(b)/III
3 * flexcop-fe-tuner.c - methods for frontend attachment and DiSEqC controlling
4 * see flexcop.c for copyright information
6 #include <media/tuner.h>
20 #include "tuner-simple.h"
24 /* Can we use the specified front-end? Remember that if we are compiled
25 * into the kernel we can't call code that's in modules. */
26 #define FE_SUPPORTED(fe) (defined(CONFIG_DVB_##fe) || \
27 (defined(CONFIG_DVB_##fe##_MODULE) && defined(MODULE)))
30 #if FE_SUPPORTED(MT312) || FE_SUPPORTED(STV0299)
31 static int flexcop_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage)
33 struct flexcop_device *fc = fe->dvb->priv;
35 deb_tuner("polarity/voltage = %u\n", voltage);
37 v = fc->read_ibi_reg(fc, misc_204);
40 v.misc_204.ACPI1_sig = 1;
43 v.misc_204.ACPI1_sig = 0;
44 v.misc_204.LNB_L_H_sig = 0;
47 v.misc_204.ACPI1_sig = 0;
48 v.misc_204.LNB_L_H_sig = 1;
51 err("unknown SEC_VOLTAGE value");
54 return fc->write_ibi_reg(fc, misc_204, v);
58 #if FE_SUPPORTED(S5H1420) || FE_SUPPORTED(STV0299) || FE_SUPPORTED(MT312)
59 static int flexcop_sleep(struct dvb_frontend* fe)
61 struct flexcop_device *fc = fe->dvb->priv;
63 return fc->fe_sleep(fe);
68 /* SkyStar2 DVB-S rev 2.3 */
69 #if FE_SUPPORTED(MT312)
70 static int flexcop_set_tone(struct dvb_frontend *fe, fe_sec_tone_mode_t tone)
72 /* u16 wz_half_period_for_45_mhz[] = { 0x01ff, 0x0154, 0x00ff, 0x00cc }; */
73 struct flexcop_device *fc = fe->dvb->priv;
77 deb_tuner("tone = %u\n",tone);
87 err("unknown SEC_TONE value");
91 v.lnb_switch_freq_200.LNB_CTLPrescaler_sig = 1; /* divide by 2 */
92 v.lnb_switch_freq_200.LNB_CTLHighCount_sig = ax;
93 v.lnb_switch_freq_200.LNB_CTLLowCount_sig = ax == 0 ? 0x1ff : ax;
94 return fc->write_ibi_reg(fc,lnb_switch_freq_200,v);
97 static void flexcop_diseqc_send_bit(struct dvb_frontend* fe, int data)
99 flexcop_set_tone(fe, SEC_TONE_ON);
100 udelay(data ? 500 : 1000);
101 flexcop_set_tone(fe, SEC_TONE_OFF);
102 udelay(data ? 1000 : 500);
105 static void flexcop_diseqc_send_byte(struct dvb_frontend* fe, int data)
108 for (i = 7; i >= 0; i--) {
111 flexcop_diseqc_send_bit(fe, d);
113 flexcop_diseqc_send_bit(fe, par);
116 static int flexcop_send_diseqc_msg(struct dvb_frontend *fe,
117 int len, u8 *msg, unsigned long burst)
121 flexcop_set_tone(fe, SEC_TONE_OFF);
124 for (i = 0; i < len; i++)
125 flexcop_diseqc_send_byte(fe,msg[i]);
130 flexcop_diseqc_send_byte(fe, 0xff);
132 flexcop_set_tone(fe, SEC_TONE_ON);
135 flexcop_set_tone(fe, SEC_TONE_OFF);
142 static int flexcop_diseqc_send_master_cmd(struct dvb_frontend *fe,
143 struct dvb_diseqc_master_cmd *cmd)
145 return flexcop_send_diseqc_msg(fe, cmd->msg_len, cmd->msg, 0);
148 static int flexcop_diseqc_send_burst(struct dvb_frontend *fe,
149 fe_sec_mini_cmd_t minicmd)
151 return flexcop_send_diseqc_msg(fe, 0, NULL, minicmd);
154 static struct mt312_config skystar23_samsung_tbdu18132_config = {
155 .demod_address = 0x0e,
158 static int skystar23_samsung_tbdu18132_tuner_set_params(struct dvb_frontend *fe,
159 struct dvb_frontend_parameters *params)
163 struct i2c_msg msg = { .addr = 0x61, .flags = 0, .buf = buf,
164 .len = sizeof(buf) };
165 struct flexcop_device *fc = fe->dvb->priv;
166 div = (params->frequency + (125/2)) / 125;
168 buf[0] = (div >> 8) & 0x7f;
169 buf[1] = (div >> 0) & 0xff;
170 buf[2] = 0x84 | ((div >> 10) & 0x60);
173 if (params->frequency < 1550000)
176 if (fe->ops.i2c_gate_ctrl)
177 fe->ops.i2c_gate_ctrl(fe, 1);
178 if (i2c_transfer(&fc->fc_i2c_adap[0].i2c_adap, &msg, 1) != 1)
183 static int skystar2_rev23_attach(struct flexcop_device *fc,
184 struct i2c_adapter *i2c)
186 fc->fe = dvb_attach(mt312_attach, &skystar23_samsung_tbdu18132_config, i2c);
187 if (fc->fe != NULL) {
188 struct dvb_frontend_ops *ops = &fc->fe->ops;
189 ops->tuner_ops.set_params =
190 skystar23_samsung_tbdu18132_tuner_set_params;
191 ops->diseqc_send_master_cmd = flexcop_diseqc_send_master_cmd;
192 ops->diseqc_send_burst = flexcop_diseqc_send_burst;
193 ops->set_tone = flexcop_set_tone;
194 ops->set_voltage = flexcop_set_voltage;
195 fc->fe_sleep = ops->sleep;
196 ops->sleep = flexcop_sleep;
202 #define skystar2_rev23_attach NULL
205 /* SkyStar2 DVB-S rev 2.6 */
206 #if FE_SUPPORTED(STV0299)
207 static int samsung_tbmu24112_set_symbol_rate(struct dvb_frontend *fe,
208 u32 srate, u32 ratio)
213 if (srate < 1500000) {
214 aclk = 0xb7; bclk = 0x47;
215 } else if (srate < 3000000) {
216 aclk = 0xb7; bclk = 0x4b;
217 } else if (srate < 7000000) {
218 aclk = 0xb7; bclk = 0x4f;
219 } else if (srate < 14000000) {
220 aclk = 0xb7; bclk = 0x53;
221 } else if (srate < 30000000) {
222 aclk = 0xb6; bclk = 0x53;
223 } else if (srate < 45000000) {
224 aclk = 0xb4; bclk = 0x51;
227 stv0299_writereg(fe, 0x13, aclk);
228 stv0299_writereg(fe, 0x14, bclk);
229 stv0299_writereg(fe, 0x1f, (ratio >> 16) & 0xff);
230 stv0299_writereg(fe, 0x20, (ratio >> 8) & 0xff);
231 stv0299_writereg(fe, 0x21, ratio & 0xf0);
235 static int samsung_tbmu24112_tuner_set_params(struct dvb_frontend *fe,
236 struct dvb_frontend_parameters *params)
240 struct i2c_msg msg = {
241 .addr = 0x61, .flags = 0, .buf = buf, .len = sizeof(buf) };
242 struct flexcop_device *fc = fe->dvb->priv;
243 div = params->frequency / 125;
245 buf[0] = (div >> 8) & 0x7f;
247 buf[2] = 0x84; /* 0xC4 */
250 if (params->frequency < 1500000)
253 if (fe->ops.i2c_gate_ctrl)
254 fe->ops.i2c_gate_ctrl(fe, 1);
255 if (i2c_transfer(&fc->fc_i2c_adap[0].i2c_adap, &msg, 1) != 1)
260 static u8 samsung_tbmu24112_inittab[] = {
305 static struct stv0299_config samsung_tbmu24112_config = {
306 .demod_address = 0x68,
307 .inittab = samsung_tbmu24112_inittab,
311 .lock_output = STV0299_LOCKOUTPUT_LK,
312 .volt13_op0_op1 = STV0299_VOLT13_OP1,
314 .set_symbol_rate = samsung_tbmu24112_set_symbol_rate,
317 static int skystar2_rev26_attach(struct flexcop_device *fc,
318 struct i2c_adapter *i2c)
320 fc->fe = dvb_attach(stv0299_attach, &samsung_tbmu24112_config, i2c);
321 if (fc->fe != NULL) {
322 struct dvb_frontend_ops *ops = &fc->fe->ops;
323 ops->tuner_ops.set_params = samsung_tbmu24112_tuner_set_params;
324 ops->set_voltage = flexcop_set_voltage;
325 fc->fe_sleep = ops->sleep;
326 ops->sleep = flexcop_sleep;
332 #define skystar2_rev26_attach NULL
335 /* SkyStar2 DVB-S rev 2.7 */
336 #if FE_SUPPORTED(S5H1420) && FE_SUPPORTED(ISL6421) && FE_SUPPORTED(TUNER_ITD1000)
337 static struct s5h1420_config skystar2_rev2_7_s5h1420_config = {
338 .demod_address = 0x53,
340 .repeated_start_workaround = 1,
344 static struct itd1000_config skystar2_rev2_7_itd1000_config = {
348 static int skystar2_rev27_attach(struct flexcop_device *fc,
349 struct i2c_adapter *i2c)
351 flexcop_ibi_value r108;
352 struct i2c_adapter *i2c_tuner;
354 /* enable no_base_addr - no repeated start when reading */
355 fc->fc_i2c_adap[0].no_base_addr = 1;
356 fc->fe = dvb_attach(s5h1420_attach, &skystar2_rev2_7_s5h1420_config,
361 i2c_tuner = s5h1420_get_tuner_i2c_adapter(fc->fe);
365 fc->fe_sleep = fc->fe->ops.sleep;
366 fc->fe->ops.sleep = flexcop_sleep;
368 /* enable no_base_addr - no repeated start when reading */
369 fc->fc_i2c_adap[2].no_base_addr = 1;
370 if (!dvb_attach(isl6421_attach, fc->fe, &fc->fc_i2c_adap[2].i2c_adap,
372 err("ISL6421 could NOT be attached");
375 info("ISL6421 successfully attached");
377 /* the ITD1000 requires a lower i2c clock - is it a problem ? */
378 r108.raw = 0x00000506;
379 fc->write_ibi_reg(fc, tw_sm_c_108, r108);
380 if (!dvb_attach(itd1000_attach, fc->fe, i2c_tuner,
381 &skystar2_rev2_7_itd1000_config)) {
382 err("ITD1000 could NOT be attached");
383 /* Should i2c clock be restored? */
386 info("ITD1000 successfully attached");
391 fc->fc_i2c_adap[2].no_base_addr = 0;
393 /* for the next devices we need it again */
394 fc->fc_i2c_adap[0].no_base_addr = 0;
398 #define skystar2_rev27_attach NULL
401 /* SkyStar2 rev 2.8 */
402 #if FE_SUPPORTED(CX24123) && FE_SUPPORTED(ISL6421) && FE_SUPPORTED(TUNER_CX24113)
403 static struct cx24123_config skystar2_rev2_8_cx24123_config = {
404 .demod_address = 0x55,
406 .agc_callback = cx24113_agc_callback,
409 static const struct cx24113_config skystar2_rev2_8_cx24113_config = {
414 static int skystar2_rev28_attach(struct flexcop_device *fc,
415 struct i2c_adapter *i2c)
417 struct i2c_adapter *i2c_tuner;
419 fc->fe = dvb_attach(cx24123_attach, &skystar2_rev2_8_cx24123_config,
424 i2c_tuner = cx24123_get_tuner_i2c_adapter(fc->fe);;
428 if (!dvb_attach(cx24113_attach, fc->fe, &skystar2_rev2_8_cx24113_config,
430 err("CX24113 could NOT be attached");
433 info("CX24113 successfully attached");
435 fc->fc_i2c_adap[2].no_base_addr = 1;
436 if (!dvb_attach(isl6421_attach, fc->fe, &fc->fc_i2c_adap[2].i2c_adap,
438 err("ISL6421 could NOT be attached");
439 fc->fc_i2c_adap[2].no_base_addr = 0;
442 info("ISL6421 successfully attached");
443 /* TODO on i2c_adap[1] addr 0x11 (EEPROM) there seems to be an
444 * IR-receiver (PIC16F818) - but the card has no input for that ??? */
448 #define skystar2_rev28_attach NULL
452 #if FE_SUPPORTED(MT352)
453 static int samsung_tdtc9251dh0_demod_init(struct dvb_frontend *fe)
455 static u8 mt352_clock_config[] = { 0x89, 0x18, 0x2d };
456 static u8 mt352_reset[] = { 0x50, 0x80 };
457 static u8 mt352_adc_ctl_1_cfg[] = { 0x8E, 0x40 };
458 static u8 mt352_agc_cfg[] = { 0x67, 0x28, 0xa1 };
459 static u8 mt352_capt_range_cfg[] = { 0x75, 0x32 };
461 mt352_write(fe, mt352_clock_config, sizeof(mt352_clock_config));
463 mt352_write(fe, mt352_reset, sizeof(mt352_reset));
464 mt352_write(fe, mt352_adc_ctl_1_cfg, sizeof(mt352_adc_ctl_1_cfg));
465 mt352_write(fe, mt352_agc_cfg, sizeof(mt352_agc_cfg));
466 mt352_write(fe, mt352_capt_range_cfg, sizeof(mt352_capt_range_cfg));
470 static int samsung_tdtc9251dh0_calc_regs(struct dvb_frontend *fe,
471 struct dvb_frontend_parameters *params, u8* pllbuf, int buf_len)
474 unsigned char bs = 0;
479 #define IF_FREQUENCYx6 217 /* 6 * 36.16666666667MHz */
480 div = (((params->frequency + 83333) * 3) / 500000) + IF_FREQUENCYx6;
481 if (params->frequency >= 48000000 && params->frequency <= 154000000) \
483 if (params->frequency >= 161000000 && params->frequency <= 439000000) \
485 if (params->frequency >= 447000000 && params->frequency <= 863000000) \
489 pllbuf[1] = div >> 8;
490 pllbuf[2] = div & 0xff;
496 static struct mt352_config samsung_tdtc9251dh0_config = {
497 .demod_address = 0x0f,
498 .demod_init = samsung_tdtc9251dh0_demod_init,
501 static int airstar_dvbt_attach(struct flexcop_device *fc,
502 struct i2c_adapter *i2c)
504 fc->fe = dvb_attach(mt352_attach, &samsung_tdtc9251dh0_config, i2c);
505 if (fc->fe != NULL) {
506 fc->fe->ops.tuner_ops.calc_regs = samsung_tdtc9251dh0_calc_regs;
512 #define airstar_dvbt_attach NULL
515 /* AirStar ATSC 1st generation */
516 #if FE_SUPPORTED(BCM3510)
517 static int flexcop_fe_request_firmware(struct dvb_frontend *fe,
518 const struct firmware **fw, char* name)
520 struct flexcop_device *fc = fe->dvb->priv;
521 return request_firmware(fw, name, fc->dev);
524 static struct bcm3510_config air2pc_atsc_first_gen_config = {
525 .demod_address = 0x0f,
526 .request_firmware = flexcop_fe_request_firmware,
529 static int airstar_atsc1_attach(struct flexcop_device *fc,
530 struct i2c_adapter *i2c)
532 fc->fe = dvb_attach(bcm3510_attach, &air2pc_atsc_first_gen_config, i2c);
533 return fc->fe != NULL;
536 #define airstar_atsc1_attach NULL
539 /* AirStar ATSC 2nd generation */
540 #if FE_SUPPORTED(NXT200X) && FE_SUPPORTED(PLL)
541 static struct nxt200x_config samsung_tbmv_config = {
542 .demod_address = 0x0a,
545 static int airstar_atsc2_attach(struct flexcop_device *fc,
546 struct i2c_adapter *i2c)
548 fc->fe = dvb_attach(nxt200x_attach, &samsung_tbmv_config, i2c);
552 return !!dvb_attach(dvb_pll_attach, fc->fe, 0x61, NULL,
553 DVB_PLL_SAMSUNG_TBMV);
556 #define airstar_atsc2_attach NULL
559 /* AirStar ATSC 3rd generation */
560 #if FE_SUPPORTED(LGDT330X)
561 static struct lgdt330x_config air2pc_atsc_hd5000_config = {
562 .demod_address = 0x59,
563 .demod_chip = LGDT3303,
565 .clock_polarity_flip = 1,
568 static int airstar_atsc3_attach(struct flexcop_device *fc,
569 struct i2c_adapter *i2c)
571 fc->fe = dvb_attach(lgdt330x_attach, &air2pc_atsc_hd5000_config, i2c);
575 return !!dvb_attach(simple_tuner_attach, fc->fe, i2c, 0x61,
576 TUNER_LG_TDVS_H06XF);
579 #define airstar_atsc3_attach NULL
582 /* CableStar2 DVB-C */
583 #if FE_SUPPORTED(STV0297)
584 static int alps_tdee4_stv0297_tuner_set_params(struct dvb_frontend* fe,
585 struct dvb_frontend_parameters *fep)
587 struct flexcop_device *fc = fe->dvb->priv;
594 #define FREQ_OFFSET 36125
596 div = ((fep->frequency/1000 + FREQ_OFFSET) * 10) / REF_FREQ;
597 /* 4 MHz = 4000 KHz */
599 buf[0] = (u8)( div >> 8) & 0x7f;
600 buf[1] = (u8) div & 0xff;
602 /* F(osc) = N * Reference Freq. (62.5 kHz)
603 * byte 2 : 0 N14 N13 N12 N11 N10 N9 N8
604 * byte 3 : N7 N6 N5 N4 N3 N2 N1 N0
605 * byte 4 : 1 * * AGD R3 R2 R1 R0
606 * byte 5 : C1 * RE RTS BS4 BS3 BS2 BS1
607 * AGD = 1, R3 R2 R1 R0 = 0 1 0 1 => byte 4 = 1**10101 = 0x95 */
610 /* Range(MHz) C1 * RE RTS BS4 BS3 BS2 BS1 Byte 5
611 * 47 - 153 0 * 0 0 0 0 0 1 0x01
612 * 153 - 430 0 * 0 0 0 0 1 0 0x02
613 * 430 - 822 0 * 0 0 1 0 0 0 0x08
614 * 822 - 862 1 * 0 0 1 0 0 0 0x88 */
616 if (fep->frequency <= 153000000) buf[3] = 0x01;
617 else if (fep->frequency <= 430000000) buf[3] = 0x02;
618 else if (fep->frequency <= 822000000) buf[3] = 0x08;
621 if (fe->ops.i2c_gate_ctrl)
622 fe->ops.i2c_gate_ctrl(fe, 0);
623 deb_tuner("tuner buffer for %d Hz: %x %x %x %x\n", fep->frequency,
624 buf[0], buf[1], buf[2], buf[3]);
625 ret = fc->i2c_request(&fc->fc_i2c_adap[2],
626 FC_WRITE, 0x61, buf[0], &buf[1], 3);
627 deb_tuner("tuner write returned: %d\n",ret);
631 static u8 alps_tdee4_stv0297_inittab[] = {
704 static struct stv0297_config alps_tdee4_stv0297_config = {
705 .demod_address = 0x1c,
706 .inittab = alps_tdee4_stv0297_inittab,
709 static int cablestar2_attach(struct flexcop_device *fc,
710 struct i2c_adapter *i2c)
712 fc->fc_i2c_adap[0].no_base_addr = 1;
713 fc->fe = dvb_attach(stv0297_attach, &alps_tdee4_stv0297_config, i2c);
715 /* Reset for next frontend to try */
716 fc->fc_i2c_adap[0].no_base_addr = 0;
719 fc->fe->ops.tuner_ops.set_params = alps_tdee4_stv0297_tuner_set_params;
723 #define cablestar2_attach NULL
727 flexcop_device_type_t type;
728 int (*attach)(struct flexcop_device *, struct i2c_adapter *);
729 } flexcop_frontends[] = {
730 { FC_SKY_REV27, skystar2_rev27_attach },
731 { FC_SKY_REV28, skystar2_rev28_attach },
732 { FC_SKY_REV26, skystar2_rev26_attach },
733 { FC_AIR_DVBT, airstar_dvbt_attach },
734 { FC_AIR_ATSC2, airstar_atsc2_attach },
735 { FC_AIR_ATSC3, airstar_atsc3_attach },
736 { FC_AIR_ATSC1, airstar_atsc1_attach },
737 { FC_CABLE, cablestar2_attach },
738 { FC_SKY_REV23, skystar2_rev23_attach },
741 /* try to figure out the frontend */
742 int flexcop_frontend_init(struct flexcop_device *fc)
745 for (i = 0; i < ARRAY_SIZE(flexcop_frontends); i++) {
746 if (!flexcop_frontends[i].attach)
748 /* type needs to be set before, because of some workarounds
749 * done based on the probed card type */
750 fc->dev_type = flexcop_frontends[i].type;
751 if (flexcop_frontends[i].attach(fc, &fc->fc_i2c_adap[0].i2c_adap))
753 /* Clean up partially attached frontend */
755 dvb_frontend_detach(fc->fe);
759 fc->dev_type = FC_UNK;
760 err("no frontend driver found for this B2C2/FlexCop adapter");
764 info("found '%s' .", fc->fe->ops.info.name);
765 if (dvb_register_frontend(&fc->dvb_adapter, fc->fe)) {
766 err("frontend registration failed!");
767 dvb_frontend_detach(fc->fe);
771 fc->init_state |= FC_STATE_FE_INIT;
775 void flexcop_frontend_exit(struct flexcop_device *fc)
777 if (fc->init_state & FC_STATE_FE_INIT) {
778 dvb_unregister_frontend(fc->fe);
779 dvb_frontend_detach(fc->fe);
781 fc->init_state &= ~FC_STATE_FE_INIT;