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) (defined(CONFIG_DVB_##fe) || \
28 (defined(CONFIG_DVB_##fe##_MODULE) && defined(MODULE)))
30 #if FE_SUPPORTED(BCM3510) || (FE_SUPPORTED(CX24120) && FE_SUPPORTED(ISL6421))
31 static int flexcop_fe_request_firmware(struct dvb_frontend *fe,
32 const struct firmware **fw, char *name)
34 struct flexcop_device *fc = fe->dvb->priv;
36 return reject_firmware(fw, name, fc->dev);
41 #if (FE_SUPPORTED(MT312) || FE_SUPPORTED(STV0299)) && FE_SUPPORTED(PLL)
42 static int flexcop_set_voltage(struct dvb_frontend *fe,
43 enum fe_sec_voltage voltage)
45 struct flexcop_device *fc = fe->dvb->priv;
47 deb_tuner("polarity/voltage = %u\n", voltage);
49 v = fc->read_ibi_reg(fc, misc_204);
52 v.misc_204.ACPI1_sig = 1;
55 v.misc_204.ACPI1_sig = 0;
56 v.misc_204.LNB_L_H_sig = 0;
59 v.misc_204.ACPI1_sig = 0;
60 v.misc_204.LNB_L_H_sig = 1;
63 err("unknown SEC_VOLTAGE value");
66 return fc->write_ibi_reg(fc, misc_204, v);
70 #if FE_SUPPORTED(S5H1420) || FE_SUPPORTED(STV0299) || FE_SUPPORTED(MT312)
71 static int __maybe_unused flexcop_sleep(struct dvb_frontend* fe)
73 struct flexcop_device *fc = fe->dvb->priv;
75 return fc->fe_sleep(fe);
80 /* SkyStar2 DVB-S rev 2.3 */
81 #if FE_SUPPORTED(MT312) && FE_SUPPORTED(PLL)
82 static int flexcop_set_tone(struct dvb_frontend *fe, enum fe_sec_tone_mode tone)
84 /* u16 wz_half_period_for_45_mhz[] = { 0x01ff, 0x0154, 0x00ff, 0x00cc }; */
85 struct flexcop_device *fc = fe->dvb->priv;
89 deb_tuner("tone = %u\n",tone);
99 err("unknown SEC_TONE value");
103 v.lnb_switch_freq_200.LNB_CTLPrescaler_sig = 1; /* divide by 2 */
104 v.lnb_switch_freq_200.LNB_CTLHighCount_sig = ax;
105 v.lnb_switch_freq_200.LNB_CTLLowCount_sig = ax == 0 ? 0x1ff : ax;
106 return fc->write_ibi_reg(fc,lnb_switch_freq_200,v);
109 static void flexcop_diseqc_send_bit(struct dvb_frontend* fe, int data)
111 flexcop_set_tone(fe, SEC_TONE_ON);
112 udelay(data ? 500 : 1000);
113 flexcop_set_tone(fe, SEC_TONE_OFF);
114 udelay(data ? 1000 : 500);
117 static void flexcop_diseqc_send_byte(struct dvb_frontend* fe, int data)
120 for (i = 7; i >= 0; i--) {
123 flexcop_diseqc_send_bit(fe, d);
125 flexcop_diseqc_send_bit(fe, par);
128 static int flexcop_send_diseqc_msg(struct dvb_frontend *fe,
129 int len, u8 *msg, unsigned long burst)
133 flexcop_set_tone(fe, SEC_TONE_OFF);
136 for (i = 0; i < len; i++)
137 flexcop_diseqc_send_byte(fe,msg[i]);
142 flexcop_diseqc_send_byte(fe, 0xff);
144 flexcop_set_tone(fe, SEC_TONE_ON);
147 flexcop_set_tone(fe, SEC_TONE_OFF);
154 static int flexcop_diseqc_send_master_cmd(struct dvb_frontend *fe,
155 struct dvb_diseqc_master_cmd *cmd)
157 return flexcop_send_diseqc_msg(fe, cmd->msg_len, cmd->msg, 0);
160 static int flexcop_diseqc_send_burst(struct dvb_frontend *fe,
161 enum fe_sec_mini_cmd minicmd)
163 return flexcop_send_diseqc_msg(fe, 0, NULL, minicmd);
166 static struct mt312_config skystar23_samsung_tbdu18132_config = {
167 .demod_address = 0x0e,
170 static int skystar2_rev23_attach(struct flexcop_device *fc,
171 struct i2c_adapter *i2c)
173 struct dvb_frontend_ops *ops;
175 fc->fe = dvb_attach(mt312_attach, &skystar23_samsung_tbdu18132_config, i2c);
179 if (!dvb_attach(dvb_pll_attach, fc->fe, 0x61, i2c,
180 DVB_PLL_SAMSUNG_TBDU18132))
184 ops->diseqc_send_master_cmd = flexcop_diseqc_send_master_cmd;
185 ops->diseqc_send_burst = flexcop_diseqc_send_burst;
186 ops->set_tone = flexcop_set_tone;
187 ops->set_voltage = flexcop_set_voltage;
188 fc->fe_sleep = ops->sleep;
189 ops->sleep = flexcop_sleep;
193 #define skystar2_rev23_attach NULL
196 /* SkyStar2 DVB-S rev 2.6 */
197 #if FE_SUPPORTED(STV0299) && FE_SUPPORTED(PLL)
198 static int samsung_tbmu24112_set_symbol_rate(struct dvb_frontend *fe,
199 u32 srate, u32 ratio)
204 if (srate < 1500000) {
205 aclk = 0xb7; bclk = 0x47;
206 } else if (srate < 3000000) {
207 aclk = 0xb7; bclk = 0x4b;
208 } else if (srate < 7000000) {
209 aclk = 0xb7; bclk = 0x4f;
210 } else if (srate < 14000000) {
211 aclk = 0xb7; bclk = 0x53;
212 } else if (srate < 30000000) {
213 aclk = 0xb6; bclk = 0x53;
214 } else if (srate < 45000000) {
215 aclk = 0xb4; bclk = 0x51;
218 stv0299_writereg(fe, 0x13, aclk);
219 stv0299_writereg(fe, 0x14, bclk);
220 stv0299_writereg(fe, 0x1f, (ratio >> 16) & 0xff);
221 stv0299_writereg(fe, 0x20, (ratio >> 8) & 0xff);
222 stv0299_writereg(fe, 0x21, ratio & 0xf0);
226 static u8 samsung_tbmu24112_inittab[] = {
271 static struct stv0299_config samsung_tbmu24112_config = {
272 .demod_address = 0x68,
273 .inittab = samsung_tbmu24112_inittab,
277 .lock_output = STV0299_LOCKOUTPUT_LK,
278 .volt13_op0_op1 = STV0299_VOLT13_OP1,
280 .set_symbol_rate = samsung_tbmu24112_set_symbol_rate,
283 static int skystar2_rev26_attach(struct flexcop_device *fc,
284 struct i2c_adapter *i2c)
286 fc->fe = dvb_attach(stv0299_attach, &samsung_tbmu24112_config, i2c);
290 if (!dvb_attach(dvb_pll_attach, fc->fe, 0x61, i2c,
291 DVB_PLL_SAMSUNG_TBMU24112))
294 fc->fe->ops.set_voltage = flexcop_set_voltage;
295 fc->fe_sleep = fc->fe->ops.sleep;
296 fc->fe->ops.sleep = flexcop_sleep;
301 #define skystar2_rev26_attach NULL
304 /* SkyStar2 DVB-S rev 2.7 */
305 #if FE_SUPPORTED(S5H1420) && FE_SUPPORTED(ISL6421) && FE_SUPPORTED(TUNER_ITD1000)
306 static struct s5h1420_config skystar2_rev2_7_s5h1420_config = {
307 .demod_address = 0x53,
309 .repeated_start_workaround = 1,
313 static struct itd1000_config skystar2_rev2_7_itd1000_config = {
317 static int skystar2_rev27_attach(struct flexcop_device *fc,
318 struct i2c_adapter *i2c)
320 flexcop_ibi_value r108;
321 struct i2c_adapter *i2c_tuner;
323 /* enable no_base_addr - no repeated start when reading */
324 fc->fc_i2c_adap[0].no_base_addr = 1;
325 fc->fe = dvb_attach(s5h1420_attach, &skystar2_rev2_7_s5h1420_config,
330 i2c_tuner = s5h1420_get_tuner_i2c_adapter(fc->fe);
334 fc->fe_sleep = fc->fe->ops.sleep;
335 fc->fe->ops.sleep = flexcop_sleep;
337 /* enable no_base_addr - no repeated start when reading */
338 fc->fc_i2c_adap[2].no_base_addr = 1;
339 if (!dvb_attach(isl6421_attach, fc->fe, &fc->fc_i2c_adap[2].i2c_adap,
340 0x08, 1, 1, false)) {
341 err("ISL6421 could NOT be attached");
344 info("ISL6421 successfully attached");
346 /* the ITD1000 requires a lower i2c clock - is it a problem ? */
347 r108.raw = 0x00000506;
348 fc->write_ibi_reg(fc, tw_sm_c_108, r108);
349 if (!dvb_attach(itd1000_attach, fc->fe, i2c_tuner,
350 &skystar2_rev2_7_itd1000_config)) {
351 err("ITD1000 could NOT be attached");
352 /* Should i2c clock be restored? */
355 info("ITD1000 successfully attached");
360 fc->fc_i2c_adap[2].no_base_addr = 0;
362 /* for the next devices we need it again */
363 fc->fc_i2c_adap[0].no_base_addr = 0;
367 #define skystar2_rev27_attach NULL
370 /* SkyStar2 rev 2.8 */
371 #if FE_SUPPORTED(CX24123) && FE_SUPPORTED(ISL6421) && FE_SUPPORTED(TUNER_CX24113)
372 static struct cx24123_config skystar2_rev2_8_cx24123_config = {
373 .demod_address = 0x55,
375 .agc_callback = cx24113_agc_callback,
378 static const struct cx24113_config skystar2_rev2_8_cx24113_config = {
383 static int skystar2_rev28_attach(struct flexcop_device *fc,
384 struct i2c_adapter *i2c)
386 struct i2c_adapter *i2c_tuner;
388 fc->fe = dvb_attach(cx24123_attach, &skystar2_rev2_8_cx24123_config,
393 i2c_tuner = cx24123_get_tuner_i2c_adapter(fc->fe);
397 if (!dvb_attach(cx24113_attach, fc->fe, &skystar2_rev2_8_cx24113_config,
399 err("CX24113 could NOT be attached");
402 info("CX24113 successfully attached");
404 fc->fc_i2c_adap[2].no_base_addr = 1;
405 if (!dvb_attach(isl6421_attach, fc->fe, &fc->fc_i2c_adap[2].i2c_adap,
406 0x08, 0, 0, false)) {
407 err("ISL6421 could NOT be attached");
408 fc->fc_i2c_adap[2].no_base_addr = 0;
411 info("ISL6421 successfully attached");
412 /* TODO on i2c_adap[1] addr 0x11 (EEPROM) there seems to be an
413 * IR-receiver (PIC16F818) - but the card has no input for that ??? */
417 #define skystar2_rev28_attach NULL
421 #if FE_SUPPORTED(MT352) && FE_SUPPORTED(PLL)
422 static int samsung_tdtc9251dh0_demod_init(struct dvb_frontend *fe)
424 static u8 mt352_clock_config[] = { 0x89, 0x18, 0x2d };
425 static u8 mt352_reset[] = { 0x50, 0x80 };
426 static u8 mt352_adc_ctl_1_cfg[] = { 0x8E, 0x40 };
427 static u8 mt352_agc_cfg[] = { 0x67, 0x28, 0xa1 };
428 static u8 mt352_capt_range_cfg[] = { 0x75, 0x32 };
430 mt352_write(fe, mt352_clock_config, sizeof(mt352_clock_config));
432 mt352_write(fe, mt352_reset, sizeof(mt352_reset));
433 mt352_write(fe, mt352_adc_ctl_1_cfg, sizeof(mt352_adc_ctl_1_cfg));
434 mt352_write(fe, mt352_agc_cfg, sizeof(mt352_agc_cfg));
435 mt352_write(fe, mt352_capt_range_cfg, sizeof(mt352_capt_range_cfg));
439 static struct mt352_config samsung_tdtc9251dh0_config = {
440 .demod_address = 0x0f,
441 .demod_init = samsung_tdtc9251dh0_demod_init,
444 static int airstar_dvbt_attach(struct flexcop_device *fc,
445 struct i2c_adapter *i2c)
447 fc->fe = dvb_attach(mt352_attach, &samsung_tdtc9251dh0_config, i2c);
451 return !!dvb_attach(dvb_pll_attach, fc->fe, 0x61, NULL,
452 DVB_PLL_SAMSUNG_TDTC9251DH0);
455 #define airstar_dvbt_attach NULL
458 /* AirStar ATSC 1st generation */
459 #if FE_SUPPORTED(BCM3510)
460 static struct bcm3510_config air2pc_atsc_first_gen_config = {
461 .demod_address = 0x0f,
462 .request_firmware = flexcop_fe_request_firmware,
465 static int airstar_atsc1_attach(struct flexcop_device *fc,
466 struct i2c_adapter *i2c)
468 fc->fe = dvb_attach(bcm3510_attach, &air2pc_atsc_first_gen_config, i2c);
469 return fc->fe != NULL;
472 #define airstar_atsc1_attach NULL
475 /* AirStar ATSC 2nd generation */
476 #if FE_SUPPORTED(NXT200X) && FE_SUPPORTED(PLL)
477 static struct nxt200x_config samsung_tbmv_config = {
478 .demod_address = 0x0a,
481 static int airstar_atsc2_attach(struct flexcop_device *fc,
482 struct i2c_adapter *i2c)
484 fc->fe = dvb_attach(nxt200x_attach, &samsung_tbmv_config, i2c);
488 return !!dvb_attach(dvb_pll_attach, fc->fe, 0x61, NULL,
489 DVB_PLL_SAMSUNG_TBMV);
492 #define airstar_atsc2_attach NULL
495 /* AirStar ATSC 3rd generation */
496 #if FE_SUPPORTED(LGDT330X)
497 static struct lgdt330x_config air2pc_atsc_hd5000_config = {
498 .demod_address = 0x59,
499 .demod_chip = LGDT3303,
501 .clock_polarity_flip = 1,
504 static int airstar_atsc3_attach(struct flexcop_device *fc,
505 struct i2c_adapter *i2c)
507 fc->fe = dvb_attach(lgdt330x_attach, &air2pc_atsc_hd5000_config, i2c);
511 return !!dvb_attach(simple_tuner_attach, fc->fe, i2c, 0x61,
512 TUNER_LG_TDVS_H06XF);
515 #define airstar_atsc3_attach NULL
518 /* CableStar2 DVB-C */
519 #if FE_SUPPORTED(STV0297) && FE_SUPPORTED(PLL)
520 static u8 alps_tdee4_stv0297_inittab[] = {
593 static struct stv0297_config alps_tdee4_stv0297_config = {
594 .demod_address = 0x1c,
595 .inittab = alps_tdee4_stv0297_inittab,
598 static int cablestar2_attach(struct flexcop_device *fc,
599 struct i2c_adapter *i2c)
601 fc->fc_i2c_adap[0].no_base_addr = 1;
602 fc->fe = dvb_attach(stv0297_attach, &alps_tdee4_stv0297_config, i2c);
606 /* This tuner doesn't use the stv0297's I2C gate, but instead the
607 * tuner is connected to a different flexcop I2C adapter. */
608 if (fc->fe->ops.i2c_gate_ctrl)
609 fc->fe->ops.i2c_gate_ctrl(fc->fe, 0);
610 fc->fe->ops.i2c_gate_ctrl = NULL;
612 if (!dvb_attach(dvb_pll_attach, fc->fe, 0x61,
613 &fc->fc_i2c_adap[2].i2c_adap, DVB_PLL_TDEE4))
619 /* Reset for next frontend to try */
620 fc->fc_i2c_adap[0].no_base_addr = 0;
624 #define cablestar2_attach NULL
627 /* SkyStar S2 PCI DVB-S/S2 card based on Conexant cx24120/cx24118 */
628 #if FE_SUPPORTED(CX24120) && FE_SUPPORTED(ISL6421)
629 static const struct cx24120_config skystar2_rev3_3_cx24120_config = {
632 .initial_mpeg_config = { 0xa1, 0x76, 0x07 },
633 .request_firmware = flexcop_fe_request_firmware,
637 static int skystarS2_rev33_attach(struct flexcop_device *fc,
638 struct i2c_adapter *i2c)
640 fc->fe = dvb_attach(cx24120_attach,
641 &skystar2_rev3_3_cx24120_config, i2c);
645 fc->dev_type = FC_SKYS2_REV33;
646 fc->fc_i2c_adap[2].no_base_addr = 1;
647 if (!dvb_attach(isl6421_attach, fc->fe, &fc->fc_i2c_adap[2].i2c_adap,
648 0x08, 0, 0, false)) {
649 err("ISL6421 could NOT be attached!");
650 fc->fc_i2c_adap[2].no_base_addr = 0;
653 info("ISL6421 successfully attached.");
655 if (fc->has_32_hw_pid_filter)
656 fc->skip_6_hw_pid_filter = 1;
661 #define skystarS2_rev33_attach NULL
665 flexcop_device_type_t type;
666 int (*attach)(struct flexcop_device *, struct i2c_adapter *);
667 } flexcop_frontends[] = {
668 { FC_SKY_REV27, skystar2_rev27_attach },
669 { FC_SKY_REV28, skystar2_rev28_attach },
670 { FC_SKY_REV26, skystar2_rev26_attach },
671 { FC_AIR_DVBT, airstar_dvbt_attach },
672 { FC_AIR_ATSC2, airstar_atsc2_attach },
673 { FC_AIR_ATSC3, airstar_atsc3_attach },
674 { FC_AIR_ATSC1, airstar_atsc1_attach },
675 { FC_CABLE, cablestar2_attach },
676 { FC_SKY_REV23, skystar2_rev23_attach },
677 { FC_SKYS2_REV33, skystarS2_rev33_attach },
680 /* try to figure out the frontend */
681 int flexcop_frontend_init(struct flexcop_device *fc)
684 for (i = 0; i < ARRAY_SIZE(flexcop_frontends); i++) {
685 if (!flexcop_frontends[i].attach)
687 /* type needs to be set before, because of some workarounds
688 * done based on the probed card type */
689 fc->dev_type = flexcop_frontends[i].type;
690 if (flexcop_frontends[i].attach(fc, &fc->fc_i2c_adap[0].i2c_adap))
692 /* Clean up partially attached frontend */
694 dvb_frontend_detach(fc->fe);
698 fc->dev_type = FC_UNK;
699 err("no frontend driver found for this B2C2/FlexCop adapter");
703 info("found '%s' .", fc->fe->ops.info.name);
704 if (dvb_register_frontend(&fc->dvb_adapter, fc->fe)) {
705 err("frontend registration failed!");
706 dvb_frontend_detach(fc->fe);
710 fc->init_state |= FC_STATE_FE_INIT;
714 void flexcop_frontend_exit(struct flexcop_device *fc)
716 if (fc->init_state & FC_STATE_FE_INIT) {
717 dvb_unregister_frontend(fc->fe);
718 dvb_frontend_detach(fc->fe);
720 fc->init_state &= ~FC_STATE_FE_INIT;