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>
21 #include "tuner-simple.h"
25 /* Can we use the specified front-end? Remember that if we are compiled
26 * into the kernel we can't call code that's in modules. */
27 #define FE_SUPPORTED(fe) IS_REACHABLE(CONFIG_DVB_ ## fe)
29 #if FE_SUPPORTED(BCM3510) || (FE_SUPPORTED(CX24120) && FE_SUPPORTED(ISL6421))
30 static int flexcop_fe_request_firmware(struct dvb_frontend *fe,
31 const struct firmware **fw, char *name)
33 struct flexcop_device *fc = fe->dvb->priv;
35 return request_firmware(fw, name, fc->dev);
40 #if (FE_SUPPORTED(MT312) || FE_SUPPORTED(STV0299)) && FE_SUPPORTED(PLL)
41 static int flexcop_set_voltage(struct dvb_frontend *fe,
42 enum fe_sec_voltage voltage)
44 struct flexcop_device *fc = fe->dvb->priv;
46 deb_tuner("polarity/voltage = %u\n", voltage);
48 v = fc->read_ibi_reg(fc, misc_204);
51 v.misc_204.ACPI1_sig = 1;
54 v.misc_204.ACPI1_sig = 0;
55 v.misc_204.LNB_L_H_sig = 0;
58 v.misc_204.ACPI1_sig = 0;
59 v.misc_204.LNB_L_H_sig = 1;
62 err("unknown SEC_VOLTAGE value");
65 return fc->write_ibi_reg(fc, misc_204, v);
69 #if FE_SUPPORTED(S5H1420) || FE_SUPPORTED(STV0299) || FE_SUPPORTED(MT312)
70 static int __maybe_unused flexcop_sleep(struct dvb_frontend* fe)
72 struct flexcop_device *fc = fe->dvb->priv;
74 return fc->fe_sleep(fe);
79 /* SkyStar2 DVB-S rev 2.3 */
80 #if FE_SUPPORTED(MT312) && FE_SUPPORTED(PLL)
81 static int flexcop_set_tone(struct dvb_frontend *fe, enum fe_sec_tone_mode tone)
83 /* u16 wz_half_period_for_45_mhz[] = { 0x01ff, 0x0154, 0x00ff, 0x00cc }; */
84 struct flexcop_device *fc = fe->dvb->priv;
88 deb_tuner("tone = %u\n",tone);
98 err("unknown SEC_TONE value");
102 v.lnb_switch_freq_200.LNB_CTLPrescaler_sig = 1; /* divide by 2 */
103 v.lnb_switch_freq_200.LNB_CTLHighCount_sig = ax;
104 v.lnb_switch_freq_200.LNB_CTLLowCount_sig = ax == 0 ? 0x1ff : ax;
105 return fc->write_ibi_reg(fc,lnb_switch_freq_200,v);
108 static void flexcop_diseqc_send_bit(struct dvb_frontend* fe, int data)
110 flexcop_set_tone(fe, SEC_TONE_ON);
111 udelay(data ? 500 : 1000);
112 flexcop_set_tone(fe, SEC_TONE_OFF);
113 udelay(data ? 1000 : 500);
116 static void flexcop_diseqc_send_byte(struct dvb_frontend* fe, int data)
119 for (i = 7; i >= 0; i--) {
122 flexcop_diseqc_send_bit(fe, d);
124 flexcop_diseqc_send_bit(fe, par);
127 static int flexcop_send_diseqc_msg(struct dvb_frontend *fe,
128 int len, u8 *msg, unsigned long burst)
132 flexcop_set_tone(fe, SEC_TONE_OFF);
135 for (i = 0; i < len; i++)
136 flexcop_diseqc_send_byte(fe,msg[i]);
141 flexcop_diseqc_send_byte(fe, 0xff);
143 flexcop_set_tone(fe, SEC_TONE_ON);
146 flexcop_set_tone(fe, SEC_TONE_OFF);
153 static int flexcop_diseqc_send_master_cmd(struct dvb_frontend *fe,
154 struct dvb_diseqc_master_cmd *cmd)
156 return flexcop_send_diseqc_msg(fe, cmd->msg_len, cmd->msg, 0);
159 static int flexcop_diseqc_send_burst(struct dvb_frontend *fe,
160 enum fe_sec_mini_cmd minicmd)
162 return flexcop_send_diseqc_msg(fe, 0, NULL, minicmd);
165 static struct mt312_config skystar23_samsung_tbdu18132_config = {
166 .demod_address = 0x0e,
169 static int skystar2_rev23_attach(struct flexcop_device *fc,
170 struct i2c_adapter *i2c)
172 struct dvb_frontend_ops *ops;
174 fc->fe = dvb_attach(mt312_attach, &skystar23_samsung_tbdu18132_config, i2c);
178 if (!dvb_attach(dvb_pll_attach, fc->fe, 0x61, i2c,
179 DVB_PLL_SAMSUNG_TBDU18132))
183 ops->diseqc_send_master_cmd = flexcop_diseqc_send_master_cmd;
184 ops->diseqc_send_burst = flexcop_diseqc_send_burst;
185 ops->set_tone = flexcop_set_tone;
186 ops->set_voltage = flexcop_set_voltage;
187 fc->fe_sleep = ops->sleep;
188 ops->sleep = flexcop_sleep;
192 #define skystar2_rev23_attach NULL
195 /* SkyStar2 DVB-S rev 2.6 */
196 #if FE_SUPPORTED(STV0299) && FE_SUPPORTED(PLL)
197 static int samsung_tbmu24112_set_symbol_rate(struct dvb_frontend *fe,
198 u32 srate, u32 ratio)
203 if (srate < 1500000) {
204 aclk = 0xb7; bclk = 0x47;
205 } else if (srate < 3000000) {
206 aclk = 0xb7; bclk = 0x4b;
207 } else if (srate < 7000000) {
208 aclk = 0xb7; bclk = 0x4f;
209 } else if (srate < 14000000) {
210 aclk = 0xb7; bclk = 0x53;
211 } else if (srate < 30000000) {
212 aclk = 0xb6; bclk = 0x53;
213 } else if (srate < 45000000) {
214 aclk = 0xb4; bclk = 0x51;
217 stv0299_writereg(fe, 0x13, aclk);
218 stv0299_writereg(fe, 0x14, bclk);
219 stv0299_writereg(fe, 0x1f, (ratio >> 16) & 0xff);
220 stv0299_writereg(fe, 0x20, (ratio >> 8) & 0xff);
221 stv0299_writereg(fe, 0x21, ratio & 0xf0);
225 static u8 samsung_tbmu24112_inittab[] = {
270 static struct stv0299_config samsung_tbmu24112_config = {
271 .demod_address = 0x68,
272 .inittab = samsung_tbmu24112_inittab,
276 .lock_output = STV0299_LOCKOUTPUT_LK,
277 .volt13_op0_op1 = STV0299_VOLT13_OP1,
279 .set_symbol_rate = samsung_tbmu24112_set_symbol_rate,
282 static int skystar2_rev26_attach(struct flexcop_device *fc,
283 struct i2c_adapter *i2c)
285 fc->fe = dvb_attach(stv0299_attach, &samsung_tbmu24112_config, i2c);
289 if (!dvb_attach(dvb_pll_attach, fc->fe, 0x61, i2c,
290 DVB_PLL_SAMSUNG_TBMU24112))
293 fc->fe->ops.set_voltage = flexcop_set_voltage;
294 fc->fe_sleep = fc->fe->ops.sleep;
295 fc->fe->ops.sleep = flexcop_sleep;
300 #define skystar2_rev26_attach NULL
303 /* SkyStar2 DVB-S rev 2.7 */
304 #if FE_SUPPORTED(S5H1420) && FE_SUPPORTED(ISL6421) && FE_SUPPORTED(TUNER_ITD1000)
305 static struct s5h1420_config skystar2_rev2_7_s5h1420_config = {
306 .demod_address = 0x53,
308 .repeated_start_workaround = 1,
312 static struct itd1000_config skystar2_rev2_7_itd1000_config = {
316 static int skystar2_rev27_attach(struct flexcop_device *fc,
317 struct i2c_adapter *i2c)
319 flexcop_ibi_value r108;
320 struct i2c_adapter *i2c_tuner;
322 /* enable no_base_addr - no repeated start when reading */
323 fc->fc_i2c_adap[0].no_base_addr = 1;
324 fc->fe = dvb_attach(s5h1420_attach, &skystar2_rev2_7_s5h1420_config,
329 i2c_tuner = s5h1420_get_tuner_i2c_adapter(fc->fe);
333 fc->fe_sleep = fc->fe->ops.sleep;
334 fc->fe->ops.sleep = flexcop_sleep;
336 /* enable no_base_addr - no repeated start when reading */
337 fc->fc_i2c_adap[2].no_base_addr = 1;
338 if (!dvb_attach(isl6421_attach, fc->fe, &fc->fc_i2c_adap[2].i2c_adap,
339 0x08, 1, 1, false)) {
340 err("ISL6421 could NOT be attached");
343 info("ISL6421 successfully attached");
345 /* the ITD1000 requires a lower i2c clock - is it a problem ? */
346 r108.raw = 0x00000506;
347 fc->write_ibi_reg(fc, tw_sm_c_108, r108);
348 if (!dvb_attach(itd1000_attach, fc->fe, i2c_tuner,
349 &skystar2_rev2_7_itd1000_config)) {
350 err("ITD1000 could NOT be attached");
351 /* Should i2c clock be restored? */
354 info("ITD1000 successfully attached");
359 fc->fc_i2c_adap[2].no_base_addr = 0;
361 /* for the next devices we need it again */
362 fc->fc_i2c_adap[0].no_base_addr = 0;
366 #define skystar2_rev27_attach NULL
369 /* SkyStar2 rev 2.8 */
370 #if FE_SUPPORTED(CX24123) && FE_SUPPORTED(ISL6421) && FE_SUPPORTED(TUNER_CX24113)
371 static struct cx24123_config skystar2_rev2_8_cx24123_config = {
372 .demod_address = 0x55,
374 .agc_callback = cx24113_agc_callback,
377 static const struct cx24113_config skystar2_rev2_8_cx24113_config = {
382 static int skystar2_rev28_attach(struct flexcop_device *fc,
383 struct i2c_adapter *i2c)
385 struct i2c_adapter *i2c_tuner;
387 fc->fe = dvb_attach(cx24123_attach, &skystar2_rev2_8_cx24123_config,
392 i2c_tuner = cx24123_get_tuner_i2c_adapter(fc->fe);
396 if (!dvb_attach(cx24113_attach, fc->fe, &skystar2_rev2_8_cx24113_config,
398 err("CX24113 could NOT be attached");
401 info("CX24113 successfully attached");
403 fc->fc_i2c_adap[2].no_base_addr = 1;
404 if (!dvb_attach(isl6421_attach, fc->fe, &fc->fc_i2c_adap[2].i2c_adap,
405 0x08, 0, 0, false)) {
406 err("ISL6421 could NOT be attached");
407 fc->fc_i2c_adap[2].no_base_addr = 0;
410 info("ISL6421 successfully attached");
411 /* TODO on i2c_adap[1] addr 0x11 (EEPROM) there seems to be an
412 * IR-receiver (PIC16F818) - but the card has no input for that ??? */
416 #define skystar2_rev28_attach NULL
420 #if FE_SUPPORTED(MT352) && FE_SUPPORTED(PLL)
421 static int samsung_tdtc9251dh0_demod_init(struct dvb_frontend *fe)
423 static u8 mt352_clock_config[] = { 0x89, 0x18, 0x2d };
424 static u8 mt352_reset[] = { 0x50, 0x80 };
425 static u8 mt352_adc_ctl_1_cfg[] = { 0x8E, 0x40 };
426 static u8 mt352_agc_cfg[] = { 0x67, 0x28, 0xa1 };
427 static u8 mt352_capt_range_cfg[] = { 0x75, 0x32 };
429 mt352_write(fe, mt352_clock_config, sizeof(mt352_clock_config));
431 mt352_write(fe, mt352_reset, sizeof(mt352_reset));
432 mt352_write(fe, mt352_adc_ctl_1_cfg, sizeof(mt352_adc_ctl_1_cfg));
433 mt352_write(fe, mt352_agc_cfg, sizeof(mt352_agc_cfg));
434 mt352_write(fe, mt352_capt_range_cfg, sizeof(mt352_capt_range_cfg));
438 static struct mt352_config samsung_tdtc9251dh0_config = {
439 .demod_address = 0x0f,
440 .demod_init = samsung_tdtc9251dh0_demod_init,
443 static int airstar_dvbt_attach(struct flexcop_device *fc,
444 struct i2c_adapter *i2c)
446 fc->fe = dvb_attach(mt352_attach, &samsung_tdtc9251dh0_config, i2c);
450 return !!dvb_attach(dvb_pll_attach, fc->fe, 0x61, NULL,
451 DVB_PLL_SAMSUNG_TDTC9251DH0);
454 #define airstar_dvbt_attach NULL
457 /* AirStar ATSC 1st generation */
458 #if FE_SUPPORTED(BCM3510)
459 static struct bcm3510_config air2pc_atsc_first_gen_config = {
460 .demod_address = 0x0f,
461 .request_firmware = flexcop_fe_request_firmware,
464 static int airstar_atsc1_attach(struct flexcop_device *fc,
465 struct i2c_adapter *i2c)
467 fc->fe = dvb_attach(bcm3510_attach, &air2pc_atsc_first_gen_config, i2c);
468 return fc->fe != NULL;
471 #define airstar_atsc1_attach NULL
474 /* AirStar ATSC 2nd generation */
475 #if FE_SUPPORTED(NXT200X) && FE_SUPPORTED(PLL)
476 static const struct nxt200x_config samsung_tbmv_config = {
477 .demod_address = 0x0a,
480 static int airstar_atsc2_attach(struct flexcop_device *fc,
481 struct i2c_adapter *i2c)
483 fc->fe = dvb_attach(nxt200x_attach, &samsung_tbmv_config, i2c);
487 return !!dvb_attach(dvb_pll_attach, fc->fe, 0x61, NULL,
488 DVB_PLL_SAMSUNG_TBMV);
491 #define airstar_atsc2_attach NULL
494 /* AirStar ATSC 3rd generation */
495 #if FE_SUPPORTED(LGDT330X)
496 static struct lgdt330x_config air2pc_atsc_hd5000_config = {
497 .demod_address = 0x59,
498 .demod_chip = LGDT3303,
500 .clock_polarity_flip = 1,
503 static int airstar_atsc3_attach(struct flexcop_device *fc,
504 struct i2c_adapter *i2c)
506 fc->fe = dvb_attach(lgdt330x_attach, &air2pc_atsc_hd5000_config, i2c);
510 return !!dvb_attach(simple_tuner_attach, fc->fe, i2c, 0x61,
511 TUNER_LG_TDVS_H06XF);
514 #define airstar_atsc3_attach NULL
517 /* CableStar2 DVB-C */
518 #if FE_SUPPORTED(STV0297) && FE_SUPPORTED(PLL)
519 static u8 alps_tdee4_stv0297_inittab[] = {
592 static struct stv0297_config alps_tdee4_stv0297_config = {
593 .demod_address = 0x1c,
594 .inittab = alps_tdee4_stv0297_inittab,
597 static int cablestar2_attach(struct flexcop_device *fc,
598 struct i2c_adapter *i2c)
600 fc->fc_i2c_adap[0].no_base_addr = 1;
601 fc->fe = dvb_attach(stv0297_attach, &alps_tdee4_stv0297_config, i2c);
605 /* This tuner doesn't use the stv0297's I2C gate, but instead the
606 * tuner is connected to a different flexcop I2C adapter. */
607 if (fc->fe->ops.i2c_gate_ctrl)
608 fc->fe->ops.i2c_gate_ctrl(fc->fe, 0);
609 fc->fe->ops.i2c_gate_ctrl = NULL;
611 if (!dvb_attach(dvb_pll_attach, fc->fe, 0x61,
612 &fc->fc_i2c_adap[2].i2c_adap, DVB_PLL_TDEE4))
618 /* Reset for next frontend to try */
619 fc->fc_i2c_adap[0].no_base_addr = 0;
623 #define cablestar2_attach NULL
626 /* SkyStar S2 PCI DVB-S/S2 card based on Conexant cx24120/cx24118 */
627 #if FE_SUPPORTED(CX24120) && FE_SUPPORTED(ISL6421)
628 static const struct cx24120_config skystar2_rev3_3_cx24120_config = {
631 .initial_mpeg_config = { 0xa1, 0x76, 0x07 },
632 .request_firmware = flexcop_fe_request_firmware,
636 static int skystarS2_rev33_attach(struct flexcop_device *fc,
637 struct i2c_adapter *i2c)
639 fc->fe = dvb_attach(cx24120_attach,
640 &skystar2_rev3_3_cx24120_config, i2c);
644 fc->dev_type = FC_SKYS2_REV33;
645 fc->fc_i2c_adap[2].no_base_addr = 1;
646 if (!dvb_attach(isl6421_attach, fc->fe, &fc->fc_i2c_adap[2].i2c_adap,
647 0x08, 0, 0, false)) {
648 err("ISL6421 could NOT be attached!");
649 fc->fc_i2c_adap[2].no_base_addr = 0;
652 info("ISL6421 successfully attached.");
654 if (fc->has_32_hw_pid_filter)
655 fc->skip_6_hw_pid_filter = 1;
660 #define skystarS2_rev33_attach NULL
664 flexcop_device_type_t type;
665 int (*attach)(struct flexcop_device *, struct i2c_adapter *);
666 } flexcop_frontends[] = {
667 { FC_SKY_REV27, skystar2_rev27_attach },
668 { FC_SKY_REV28, skystar2_rev28_attach },
669 { FC_SKY_REV26, skystar2_rev26_attach },
670 { FC_AIR_DVBT, airstar_dvbt_attach },
671 { FC_AIR_ATSC2, airstar_atsc2_attach },
672 { FC_AIR_ATSC3, airstar_atsc3_attach },
673 { FC_AIR_ATSC1, airstar_atsc1_attach },
674 { FC_CABLE, cablestar2_attach },
675 { FC_SKY_REV23, skystar2_rev23_attach },
676 { FC_SKYS2_REV33, skystarS2_rev33_attach },
679 /* try to figure out the frontend */
680 int flexcop_frontend_init(struct flexcop_device *fc)
683 for (i = 0; i < ARRAY_SIZE(flexcop_frontends); i++) {
684 if (!flexcop_frontends[i].attach)
686 /* type needs to be set before, because of some workarounds
687 * done based on the probed card type */
688 fc->dev_type = flexcop_frontends[i].type;
689 if (flexcop_frontends[i].attach(fc, &fc->fc_i2c_adap[0].i2c_adap))
691 /* Clean up partially attached frontend */
693 dvb_frontend_detach(fc->fe);
697 fc->dev_type = FC_UNK;
698 err("no frontend driver found for this B2C2/FlexCop adapter");
702 info("found '%s' .", fc->fe->ops.info.name);
703 if (dvb_register_frontend(&fc->dvb_adapter, fc->fe)) {
704 err("frontend registration failed!");
705 dvb_frontend_detach(fc->fe);
709 fc->init_state |= FC_STATE_FE_INIT;
713 void flexcop_frontend_exit(struct flexcop_device *fc)
715 if (fc->init_state & FC_STATE_FE_INIT) {
716 dvb_unregister_frontend(fc->fe);
717 dvb_frontend_detach(fc->fe);
719 fc->init_state &= ~FC_STATE_FE_INIT;