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) && FE_SUPPORTED(PLL)
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 skystar2_rev23_attach(struct flexcop_device *fc,
159 struct i2c_adapter *i2c)
161 struct dvb_frontend_ops *ops;
163 fc->fe = dvb_attach(mt312_attach, &skystar23_samsung_tbdu18132_config, i2c);
167 if (!dvb_attach(dvb_pll_attach, fc->fe, 0x61, i2c,
168 DVB_PLL_SAMSUNG_TBDU18132))
172 ops->diseqc_send_master_cmd = flexcop_diseqc_send_master_cmd;
173 ops->diseqc_send_burst = flexcop_diseqc_send_burst;
174 ops->set_tone = flexcop_set_tone;
175 ops->set_voltage = flexcop_set_voltage;
176 fc->fe_sleep = ops->sleep;
177 ops->sleep = flexcop_sleep;
181 #define skystar2_rev23_attach NULL
184 /* SkyStar2 DVB-S rev 2.6 */
185 #if FE_SUPPORTED(STV0299) && FE_SUPPORTED(PLL)
186 static int samsung_tbmu24112_set_symbol_rate(struct dvb_frontend *fe,
187 u32 srate, u32 ratio)
192 if (srate < 1500000) {
193 aclk = 0xb7; bclk = 0x47;
194 } else if (srate < 3000000) {
195 aclk = 0xb7; bclk = 0x4b;
196 } else if (srate < 7000000) {
197 aclk = 0xb7; bclk = 0x4f;
198 } else if (srate < 14000000) {
199 aclk = 0xb7; bclk = 0x53;
200 } else if (srate < 30000000) {
201 aclk = 0xb6; bclk = 0x53;
202 } else if (srate < 45000000) {
203 aclk = 0xb4; bclk = 0x51;
206 stv0299_writereg(fe, 0x13, aclk);
207 stv0299_writereg(fe, 0x14, bclk);
208 stv0299_writereg(fe, 0x1f, (ratio >> 16) & 0xff);
209 stv0299_writereg(fe, 0x20, (ratio >> 8) & 0xff);
210 stv0299_writereg(fe, 0x21, ratio & 0xf0);
214 static u8 samsung_tbmu24112_inittab[] = {
259 static struct stv0299_config samsung_tbmu24112_config = {
260 .demod_address = 0x68,
261 .inittab = samsung_tbmu24112_inittab,
265 .lock_output = STV0299_LOCKOUTPUT_LK,
266 .volt13_op0_op1 = STV0299_VOLT13_OP1,
268 .set_symbol_rate = samsung_tbmu24112_set_symbol_rate,
271 static int skystar2_rev26_attach(struct flexcop_device *fc,
272 struct i2c_adapter *i2c)
274 fc->fe = dvb_attach(stv0299_attach, &samsung_tbmu24112_config, i2c);
278 if (!dvb_attach(dvb_pll_attach, fc->fe, 0x61, i2c,
279 DVB_PLL_SAMSUNG_TBMU24112))
282 fc->fe->ops.set_voltage = flexcop_set_voltage;
283 fc->fe_sleep = fc->fe->ops.sleep;
284 fc->fe->ops.sleep = flexcop_sleep;
289 #define skystar2_rev26_attach NULL
292 /* SkyStar2 DVB-S rev 2.7 */
293 #if FE_SUPPORTED(S5H1420) && FE_SUPPORTED(ISL6421) && FE_SUPPORTED(TUNER_ITD1000)
294 static struct s5h1420_config skystar2_rev2_7_s5h1420_config = {
295 .demod_address = 0x53,
297 .repeated_start_workaround = 1,
301 static struct itd1000_config skystar2_rev2_7_itd1000_config = {
305 static int skystar2_rev27_attach(struct flexcop_device *fc,
306 struct i2c_adapter *i2c)
308 flexcop_ibi_value r108;
309 struct i2c_adapter *i2c_tuner;
311 /* enable no_base_addr - no repeated start when reading */
312 fc->fc_i2c_adap[0].no_base_addr = 1;
313 fc->fe = dvb_attach(s5h1420_attach, &skystar2_rev2_7_s5h1420_config,
318 i2c_tuner = s5h1420_get_tuner_i2c_adapter(fc->fe);
322 fc->fe_sleep = fc->fe->ops.sleep;
323 fc->fe->ops.sleep = flexcop_sleep;
325 /* enable no_base_addr - no repeated start when reading */
326 fc->fc_i2c_adap[2].no_base_addr = 1;
327 if (!dvb_attach(isl6421_attach, fc->fe, &fc->fc_i2c_adap[2].i2c_adap,
329 err("ISL6421 could NOT be attached");
332 info("ISL6421 successfully attached");
334 /* the ITD1000 requires a lower i2c clock - is it a problem ? */
335 r108.raw = 0x00000506;
336 fc->write_ibi_reg(fc, tw_sm_c_108, r108);
337 if (!dvb_attach(itd1000_attach, fc->fe, i2c_tuner,
338 &skystar2_rev2_7_itd1000_config)) {
339 err("ITD1000 could NOT be attached");
340 /* Should i2c clock be restored? */
343 info("ITD1000 successfully attached");
348 fc->fc_i2c_adap[2].no_base_addr = 0;
350 /* for the next devices we need it again */
351 fc->fc_i2c_adap[0].no_base_addr = 0;
355 #define skystar2_rev27_attach NULL
358 /* SkyStar2 rev 2.8 */
359 #if FE_SUPPORTED(CX24123) && FE_SUPPORTED(ISL6421) && FE_SUPPORTED(TUNER_CX24113)
360 static struct cx24123_config skystar2_rev2_8_cx24123_config = {
361 .demod_address = 0x55,
363 .agc_callback = cx24113_agc_callback,
366 static const struct cx24113_config skystar2_rev2_8_cx24113_config = {
371 static int skystar2_rev28_attach(struct flexcop_device *fc,
372 struct i2c_adapter *i2c)
374 struct i2c_adapter *i2c_tuner;
376 fc->fe = dvb_attach(cx24123_attach, &skystar2_rev2_8_cx24123_config,
381 i2c_tuner = cx24123_get_tuner_i2c_adapter(fc->fe);
385 if (!dvb_attach(cx24113_attach, fc->fe, &skystar2_rev2_8_cx24113_config,
387 err("CX24113 could NOT be attached");
390 info("CX24113 successfully attached");
392 fc->fc_i2c_adap[2].no_base_addr = 1;
393 if (!dvb_attach(isl6421_attach, fc->fe, &fc->fc_i2c_adap[2].i2c_adap,
395 err("ISL6421 could NOT be attached");
396 fc->fc_i2c_adap[2].no_base_addr = 0;
399 info("ISL6421 successfully attached");
400 /* TODO on i2c_adap[1] addr 0x11 (EEPROM) there seems to be an
401 * IR-receiver (PIC16F818) - but the card has no input for that ??? */
405 #define skystar2_rev28_attach NULL
409 #if FE_SUPPORTED(MT352) && FE_SUPPORTED(PLL)
410 static int samsung_tdtc9251dh0_demod_init(struct dvb_frontend *fe)
412 static u8 mt352_clock_config[] = { 0x89, 0x18, 0x2d };
413 static u8 mt352_reset[] = { 0x50, 0x80 };
414 static u8 mt352_adc_ctl_1_cfg[] = { 0x8E, 0x40 };
415 static u8 mt352_agc_cfg[] = { 0x67, 0x28, 0xa1 };
416 static u8 mt352_capt_range_cfg[] = { 0x75, 0x32 };
418 mt352_write(fe, mt352_clock_config, sizeof(mt352_clock_config));
420 mt352_write(fe, mt352_reset, sizeof(mt352_reset));
421 mt352_write(fe, mt352_adc_ctl_1_cfg, sizeof(mt352_adc_ctl_1_cfg));
422 mt352_write(fe, mt352_agc_cfg, sizeof(mt352_agc_cfg));
423 mt352_write(fe, mt352_capt_range_cfg, sizeof(mt352_capt_range_cfg));
427 static struct mt352_config samsung_tdtc9251dh0_config = {
428 .demod_address = 0x0f,
429 .demod_init = samsung_tdtc9251dh0_demod_init,
432 static int airstar_dvbt_attach(struct flexcop_device *fc,
433 struct i2c_adapter *i2c)
435 fc->fe = dvb_attach(mt352_attach, &samsung_tdtc9251dh0_config, i2c);
439 return !!dvb_attach(dvb_pll_attach, fc->fe, 0x61, NULL,
440 DVB_PLL_SAMSUNG_TDTC9251DH0);
443 #define airstar_dvbt_attach NULL
446 /* AirStar ATSC 1st generation */
447 #if FE_SUPPORTED(BCM3510)
448 static int flexcop_fe_request_firmware(struct dvb_frontend *fe,
449 const struct firmware **fw, char* name)
451 struct flexcop_device *fc = fe->dvb->priv;
452 return request_firmware(fw, name, fc->dev);
455 static struct bcm3510_config air2pc_atsc_first_gen_config = {
456 .demod_address = 0x0f,
457 .request_firmware = flexcop_fe_request_firmware,
460 static int airstar_atsc1_attach(struct flexcop_device *fc,
461 struct i2c_adapter *i2c)
463 fc->fe = dvb_attach(bcm3510_attach, &air2pc_atsc_first_gen_config, i2c);
464 return fc->fe != NULL;
467 #define airstar_atsc1_attach NULL
470 /* AirStar ATSC 2nd generation */
471 #if FE_SUPPORTED(NXT200X) && FE_SUPPORTED(PLL)
472 static struct nxt200x_config samsung_tbmv_config = {
473 .demod_address = 0x0a,
476 static int airstar_atsc2_attach(struct flexcop_device *fc,
477 struct i2c_adapter *i2c)
479 fc->fe = dvb_attach(nxt200x_attach, &samsung_tbmv_config, i2c);
483 return !!dvb_attach(dvb_pll_attach, fc->fe, 0x61, NULL,
484 DVB_PLL_SAMSUNG_TBMV);
487 #define airstar_atsc2_attach NULL
490 /* AirStar ATSC 3rd generation */
491 #if FE_SUPPORTED(LGDT330X)
492 static struct lgdt330x_config air2pc_atsc_hd5000_config = {
493 .demod_address = 0x59,
494 .demod_chip = LGDT3303,
496 .clock_polarity_flip = 1,
499 static int airstar_atsc3_attach(struct flexcop_device *fc,
500 struct i2c_adapter *i2c)
502 fc->fe = dvb_attach(lgdt330x_attach, &air2pc_atsc_hd5000_config, i2c);
506 return !!dvb_attach(simple_tuner_attach, fc->fe, i2c, 0x61,
507 TUNER_LG_TDVS_H06XF);
510 #define airstar_atsc3_attach NULL
513 /* CableStar2 DVB-C */
514 #if FE_SUPPORTED(STV0297) && FE_SUPPORTED(PLL)
515 static u8 alps_tdee4_stv0297_inittab[] = {
588 static struct stv0297_config alps_tdee4_stv0297_config = {
589 .demod_address = 0x1c,
590 .inittab = alps_tdee4_stv0297_inittab,
593 static int cablestar2_attach(struct flexcop_device *fc,
594 struct i2c_adapter *i2c)
596 fc->fc_i2c_adap[0].no_base_addr = 1;
597 fc->fe = dvb_attach(stv0297_attach, &alps_tdee4_stv0297_config, i2c);
601 /* This tuner doesn't use the stv0297's I2C gate, but instead the
602 * tuner is connected to a different flexcop I2C adapter. */
603 if (fc->fe->ops.i2c_gate_ctrl)
604 fc->fe->ops.i2c_gate_ctrl(fc->fe, 0);
605 fc->fe->ops.i2c_gate_ctrl = NULL;
607 if (!dvb_attach(dvb_pll_attach, fc->fe, 0x61,
608 &fc->fc_i2c_adap[2].i2c_adap, DVB_PLL_TDEE4))
614 /* Reset for next frontend to try */
615 fc->fc_i2c_adap[0].no_base_addr = 0;
619 #define cablestar2_attach NULL
623 flexcop_device_type_t type;
624 int (*attach)(struct flexcop_device *, struct i2c_adapter *);
625 } flexcop_frontends[] = {
626 { FC_SKY_REV27, skystar2_rev27_attach },
627 { FC_SKY_REV28, skystar2_rev28_attach },
628 { FC_SKY_REV26, skystar2_rev26_attach },
629 { FC_AIR_DVBT, airstar_dvbt_attach },
630 { FC_AIR_ATSC2, airstar_atsc2_attach },
631 { FC_AIR_ATSC3, airstar_atsc3_attach },
632 { FC_AIR_ATSC1, airstar_atsc1_attach },
633 { FC_CABLE, cablestar2_attach },
634 { FC_SKY_REV23, skystar2_rev23_attach },
637 /* try to figure out the frontend */
638 int flexcop_frontend_init(struct flexcop_device *fc)
641 for (i = 0; i < ARRAY_SIZE(flexcop_frontends); i++) {
642 if (!flexcop_frontends[i].attach)
644 /* type needs to be set before, because of some workarounds
645 * done based on the probed card type */
646 fc->dev_type = flexcop_frontends[i].type;
647 if (flexcop_frontends[i].attach(fc, &fc->fc_i2c_adap[0].i2c_adap))
649 /* Clean up partially attached frontend */
651 dvb_frontend_detach(fc->fe);
655 fc->dev_type = FC_UNK;
656 err("no frontend driver found for this B2C2/FlexCop adapter");
660 info("found '%s' .", fc->fe->ops.info.name);
661 if (dvb_register_frontend(&fc->dvb_adapter, fc->fe)) {
662 err("frontend registration failed!");
663 dvb_frontend_detach(fc->fe);
667 fc->init_state |= FC_STATE_FE_INIT;
671 void flexcop_frontend_exit(struct flexcop_device *fc)
673 if (fc->init_state & FC_STATE_FE_INIT) {
674 dvb_unregister_frontend(fc->fe);
675 dvb_frontend_detach(fc->fe);
677 fc->init_state &= ~FC_STATE_FE_INIT;