2 * Afatech AF9033 demodulator driver
4 * Copyright (C) 2009 Antti Palosaari <crope@iki.fi>
5 * Copyright (C) 2012 Antti Palosaari <crope@iki.fi>
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License along
18 * with this program; if not, write to the Free Software Foundation, Inc.,
19 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
22 #include "af9033_priv.h"
24 /* Max transfer size done by I2C transfer functions */
25 #define MAX_XFER_SIZE 64
28 struct i2c_adapter *i2c;
29 struct dvb_frontend fe;
30 struct af9033_config cfg;
33 bool ts_mode_parallel;
38 unsigned long last_stat_check;
41 /* write multiple registers */
42 static int af9033_wr_regs(struct af9033_state *state, u32 reg, const u8 *val,
46 u8 buf[MAX_XFER_SIZE];
47 struct i2c_msg msg[1] = {
49 .addr = state->cfg.i2c_addr,
56 if (3 + len > sizeof(buf)) {
57 dev_warn(&state->i2c->dev,
58 "%s: i2c wr reg=%04x: len=%d is too big!\n",
59 KBUILD_MODNAME, reg, len);
63 buf[0] = (reg >> 16) & 0xff;
64 buf[1] = (reg >> 8) & 0xff;
65 buf[2] = (reg >> 0) & 0xff;
66 memcpy(&buf[3], val, len);
68 ret = i2c_transfer(state->i2c, msg, 1);
72 dev_warn(&state->i2c->dev, "%s: i2c wr failed=%d reg=%06x " \
73 "len=%d\n", KBUILD_MODNAME, ret, reg, len);
80 /* read multiple registers */
81 static int af9033_rd_regs(struct af9033_state *state, u32 reg, u8 *val, int len)
84 u8 buf[3] = { (reg >> 16) & 0xff, (reg >> 8) & 0xff,
86 struct i2c_msg msg[2] = {
88 .addr = state->cfg.i2c_addr,
93 .addr = state->cfg.i2c_addr,
100 ret = i2c_transfer(state->i2c, msg, 2);
104 dev_warn(&state->i2c->dev, "%s: i2c rd failed=%d reg=%06x " \
105 "len=%d\n", KBUILD_MODNAME, ret, reg, len);
113 /* write single register */
114 static int af9033_wr_reg(struct af9033_state *state, u32 reg, u8 val)
116 return af9033_wr_regs(state, reg, &val, 1);
119 /* read single register */
120 static int af9033_rd_reg(struct af9033_state *state, u32 reg, u8 *val)
122 return af9033_rd_regs(state, reg, val, 1);
125 /* write single register with mask */
126 static int af9033_wr_reg_mask(struct af9033_state *state, u32 reg, u8 val,
132 /* no need for read if whole reg is written */
134 ret = af9033_rd_regs(state, reg, &tmp, 1);
143 return af9033_wr_regs(state, reg, &val, 1);
146 /* read single register with mask */
147 static int af9033_rd_reg_mask(struct af9033_state *state, u32 reg, u8 *val,
153 ret = af9033_rd_regs(state, reg, &tmp, 1);
159 /* find position of the first bit */
160 for (i = 0; i < 8; i++) {
161 if ((mask >> i) & 0x01)
169 /* write reg val table using reg addr auto increment */
170 static int af9033_wr_reg_val_tab(struct af9033_state *state,
171 const struct reg_val *tab, int tab_len)
173 #define MAX_TAB_LEN 212
175 u8 buf[1 + MAX_TAB_LEN];
177 dev_dbg(&state->i2c->dev, "%s: tab_len=%d\n", __func__, tab_len);
179 if (tab_len > sizeof(buf)) {
180 dev_warn(&state->i2c->dev, "%s: tab len %d is too big\n",
181 KBUILD_MODNAME, tab_len);
185 for (i = 0, j = 0; i < tab_len; i++) {
188 if (i == tab_len - 1 || tab[i].reg != tab[i + 1].reg - 1) {
189 ret = af9033_wr_regs(state, tab[i].reg - j, buf, j + 1);
202 dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
207 static u32 af9033_div(struct af9033_state *state, u32 a, u32 b, u32 x)
211 dev_dbg(&state->i2c->dev, "%s: a=%d b=%d x=%d\n", __func__, a, b, x);
218 for (i = 0; i < x; i++) {
226 r = (c << (u32)x) + r;
228 dev_dbg(&state->i2c->dev, "%s: a=%d b=%d x=%d r=%d r=%x\n",
229 __func__, a, b, x, r, r);
234 static void af9033_release(struct dvb_frontend *fe)
236 struct af9033_state *state = fe->demodulator_priv;
241 static int af9033_init(struct dvb_frontend *fe)
243 struct af9033_state *state = fe->demodulator_priv;
245 const struct reg_val *init;
247 u32 adc_cw, clock_cw;
248 struct reg_val_mask tab[] = {
249 { 0x80fb24, 0x00, 0x08 },
250 { 0x80004c, 0x00, 0xff },
251 { 0x00f641, state->cfg.tuner, 0xff },
252 { 0x80f5ca, 0x01, 0x01 },
253 { 0x80f715, 0x01, 0x01 },
254 { 0x00f41f, 0x04, 0x04 },
255 { 0x00f41a, 0x01, 0x01 },
256 { 0x80f731, 0x00, 0x01 },
257 { 0x00d91e, 0x00, 0x01 },
258 { 0x00d919, 0x00, 0x01 },
259 { 0x80f732, 0x00, 0x01 },
260 { 0x00d91f, 0x00, 0x01 },
261 { 0x00d91a, 0x00, 0x01 },
262 { 0x80f730, 0x00, 0x01 },
263 { 0x80f778, 0x00, 0xff },
264 { 0x80f73c, 0x01, 0x01 },
265 { 0x80f776, 0x00, 0x01 },
266 { 0x00d8fd, 0x01, 0xff },
267 { 0x00d830, 0x01, 0xff },
268 { 0x00d831, 0x00, 0xff },
269 { 0x00d832, 0x00, 0xff },
270 { 0x80f985, state->ts_mode_serial, 0x01 },
271 { 0x80f986, state->ts_mode_parallel, 0x01 },
272 { 0x00d827, 0x00, 0xff },
273 { 0x00d829, 0x00, 0xff },
274 { 0x800045, state->cfg.adc_multiplier, 0xff },
277 /* program clock control */
278 clock_cw = af9033_div(state, state->cfg.clock, 1000000ul, 19ul);
279 buf[0] = (clock_cw >> 0) & 0xff;
280 buf[1] = (clock_cw >> 8) & 0xff;
281 buf[2] = (clock_cw >> 16) & 0xff;
282 buf[3] = (clock_cw >> 24) & 0xff;
284 dev_dbg(&state->i2c->dev, "%s: clock=%d clock_cw=%08x\n",
285 __func__, state->cfg.clock, clock_cw);
287 ret = af9033_wr_regs(state, 0x800025, buf, 4);
291 /* program ADC control */
292 for (i = 0; i < ARRAY_SIZE(clock_adc_lut); i++) {
293 if (clock_adc_lut[i].clock == state->cfg.clock)
297 adc_cw = af9033_div(state, clock_adc_lut[i].adc, 1000000ul, 19ul);
298 buf[0] = (adc_cw >> 0) & 0xff;
299 buf[1] = (adc_cw >> 8) & 0xff;
300 buf[2] = (adc_cw >> 16) & 0xff;
302 dev_dbg(&state->i2c->dev, "%s: adc=%d adc_cw=%06x\n",
303 __func__, clock_adc_lut[i].adc, adc_cw);
305 ret = af9033_wr_regs(state, 0x80f1cd, buf, 3);
309 /* program register table */
310 for (i = 0; i < ARRAY_SIZE(tab); i++) {
311 ret = af9033_wr_reg_mask(state, tab[i].reg, tab[i].val,
317 /* feed clock to RF tuner */
318 switch (state->cfg.tuner) {
319 case AF9033_TUNER_IT9135_38:
320 case AF9033_TUNER_IT9135_51:
321 case AF9033_TUNER_IT9135_52:
322 case AF9033_TUNER_IT9135_60:
323 case AF9033_TUNER_IT9135_61:
324 case AF9033_TUNER_IT9135_62:
325 ret = af9033_wr_reg(state, 0x80fba8, 0x00);
330 /* settings for TS interface */
331 if (state->cfg.ts_mode == AF9033_TS_MODE_USB) {
332 ret = af9033_wr_reg_mask(state, 0x80f9a5, 0x00, 0x01);
336 ret = af9033_wr_reg_mask(state, 0x80f9b5, 0x01, 0x01);
340 ret = af9033_wr_reg_mask(state, 0x80f990, 0x00, 0x01);
344 ret = af9033_wr_reg_mask(state, 0x80f9b5, 0x00, 0x01);
349 /* load OFSM settings */
350 dev_dbg(&state->i2c->dev, "%s: load ofsm settings\n", __func__);
351 switch (state->cfg.tuner) {
352 case AF9033_TUNER_IT9135_38:
353 case AF9033_TUNER_IT9135_51:
354 case AF9033_TUNER_IT9135_52:
355 len = ARRAY_SIZE(ofsm_init_it9135_v1);
356 init = ofsm_init_it9135_v1;
358 case AF9033_TUNER_IT9135_60:
359 case AF9033_TUNER_IT9135_61:
360 case AF9033_TUNER_IT9135_62:
361 len = ARRAY_SIZE(ofsm_init_it9135_v2);
362 init = ofsm_init_it9135_v2;
365 len = ARRAY_SIZE(ofsm_init);
370 ret = af9033_wr_reg_val_tab(state, init, len);
374 /* load tuner specific settings */
375 dev_dbg(&state->i2c->dev, "%s: load tuner specific settings\n",
377 switch (state->cfg.tuner) {
378 case AF9033_TUNER_TUA9001:
379 len = ARRAY_SIZE(tuner_init_tua9001);
380 init = tuner_init_tua9001;
382 case AF9033_TUNER_FC0011:
383 len = ARRAY_SIZE(tuner_init_fc0011);
384 init = tuner_init_fc0011;
386 case AF9033_TUNER_MXL5007T:
387 len = ARRAY_SIZE(tuner_init_mxl5007t);
388 init = tuner_init_mxl5007t;
390 case AF9033_TUNER_TDA18218:
391 len = ARRAY_SIZE(tuner_init_tda18218);
392 init = tuner_init_tda18218;
394 case AF9033_TUNER_FC2580:
395 len = ARRAY_SIZE(tuner_init_fc2580);
396 init = tuner_init_fc2580;
398 case AF9033_TUNER_FC0012:
399 len = ARRAY_SIZE(tuner_init_fc0012);
400 init = tuner_init_fc0012;
402 case AF9033_TUNER_IT9135_38:
403 len = ARRAY_SIZE(tuner_init_it9135_38);
404 init = tuner_init_it9135_38;
406 case AF9033_TUNER_IT9135_51:
407 len = ARRAY_SIZE(tuner_init_it9135_51);
408 init = tuner_init_it9135_51;
410 case AF9033_TUNER_IT9135_52:
411 len = ARRAY_SIZE(tuner_init_it9135_52);
412 init = tuner_init_it9135_52;
414 case AF9033_TUNER_IT9135_60:
415 len = ARRAY_SIZE(tuner_init_it9135_60);
416 init = tuner_init_it9135_60;
418 case AF9033_TUNER_IT9135_61:
419 len = ARRAY_SIZE(tuner_init_it9135_61);
420 init = tuner_init_it9135_61;
422 case AF9033_TUNER_IT9135_62:
423 len = ARRAY_SIZE(tuner_init_it9135_62);
424 init = tuner_init_it9135_62;
427 dev_dbg(&state->i2c->dev, "%s: unsupported tuner ID=%d\n",
428 __func__, state->cfg.tuner);
433 ret = af9033_wr_reg_val_tab(state, init, len);
437 if (state->cfg.ts_mode == AF9033_TS_MODE_SERIAL) {
438 ret = af9033_wr_reg_mask(state, 0x00d91c, 0x01, 0x01);
442 ret = af9033_wr_reg_mask(state, 0x00d917, 0x00, 0x01);
446 ret = af9033_wr_reg_mask(state, 0x00d916, 0x00, 0x01);
451 switch (state->cfg.tuner) {
452 case AF9033_TUNER_IT9135_60:
453 case AF9033_TUNER_IT9135_61:
454 case AF9033_TUNER_IT9135_62:
455 ret = af9033_wr_reg(state, 0x800000, 0x01);
460 state->bandwidth_hz = 0; /* force to program all parameters */
465 dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
470 static int af9033_sleep(struct dvb_frontend *fe)
472 struct af9033_state *state = fe->demodulator_priv;
476 ret = af9033_wr_reg(state, 0x80004c, 1);
480 ret = af9033_wr_reg(state, 0x800000, 0);
484 for (i = 100, tmp = 1; i && tmp; i--) {
485 ret = af9033_rd_reg(state, 0x80004c, &tmp);
489 usleep_range(200, 10000);
492 dev_dbg(&state->i2c->dev, "%s: loop=%d\n", __func__, i);
499 ret = af9033_wr_reg_mask(state, 0x80fb24, 0x08, 0x08);
503 /* prevent current leak (?) */
504 if (state->cfg.ts_mode == AF9033_TS_MODE_SERIAL) {
505 /* enable parallel TS */
506 ret = af9033_wr_reg_mask(state, 0x00d917, 0x00, 0x01);
510 ret = af9033_wr_reg_mask(state, 0x00d916, 0x01, 0x01);
518 dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
523 static int af9033_get_tune_settings(struct dvb_frontend *fe,
524 struct dvb_frontend_tune_settings *fesettings)
526 /* 800 => 2000 because IT9135 v2 is slow to gain lock */
527 fesettings->min_delay_ms = 2000;
528 fesettings->step_size = 0;
529 fesettings->max_drift = 0;
534 static int af9033_set_frontend(struct dvb_frontend *fe)
536 struct af9033_state *state = fe->demodulator_priv;
537 struct dtv_frontend_properties *c = &fe->dtv_property_cache;
538 int ret, i, spec_inv, sampling_freq;
539 u8 tmp, buf[3], bandwidth_reg_val;
540 u32 if_frequency, freq_cw, adc_freq;
542 dev_dbg(&state->i2c->dev, "%s: frequency=%d bandwidth_hz=%d\n",
543 __func__, c->frequency, c->bandwidth_hz);
545 /* check bandwidth */
546 switch (c->bandwidth_hz) {
548 bandwidth_reg_val = 0x00;
551 bandwidth_reg_val = 0x01;
554 bandwidth_reg_val = 0x02;
557 dev_dbg(&state->i2c->dev, "%s: invalid bandwidth_hz\n",
564 if (fe->ops.tuner_ops.set_params)
565 fe->ops.tuner_ops.set_params(fe);
567 /* program CFOE coefficients */
568 if (c->bandwidth_hz != state->bandwidth_hz) {
569 for (i = 0; i < ARRAY_SIZE(coeff_lut); i++) {
570 if (coeff_lut[i].clock == state->cfg.clock &&
571 coeff_lut[i].bandwidth_hz == c->bandwidth_hz) {
575 ret = af9033_wr_regs(state, 0x800001,
576 coeff_lut[i].val, sizeof(coeff_lut[i].val));
579 /* program frequency control */
580 if (c->bandwidth_hz != state->bandwidth_hz) {
581 spec_inv = state->cfg.spec_inv ? -1 : 1;
583 for (i = 0; i < ARRAY_SIZE(clock_adc_lut); i++) {
584 if (clock_adc_lut[i].clock == state->cfg.clock)
587 adc_freq = clock_adc_lut[i].adc;
589 /* get used IF frequency */
590 if (fe->ops.tuner_ops.get_if_frequency)
591 fe->ops.tuner_ops.get_if_frequency(fe, &if_frequency);
595 sampling_freq = if_frequency;
597 while (sampling_freq > (adc_freq / 2))
598 sampling_freq -= adc_freq;
600 if (sampling_freq >= 0)
605 freq_cw = af9033_div(state, sampling_freq, adc_freq, 23ul);
608 freq_cw = 0x800000 - freq_cw;
610 if (state->cfg.adc_multiplier == AF9033_ADC_MULTIPLIER_2X)
613 buf[0] = (freq_cw >> 0) & 0xff;
614 buf[1] = (freq_cw >> 8) & 0xff;
615 buf[2] = (freq_cw >> 16) & 0x7f;
617 /* FIXME: there seems to be calculation error here... */
618 if (if_frequency == 0)
621 ret = af9033_wr_regs(state, 0x800029, buf, 3);
625 state->bandwidth_hz = c->bandwidth_hz;
628 ret = af9033_wr_reg_mask(state, 0x80f904, bandwidth_reg_val, 0x03);
632 ret = af9033_wr_reg(state, 0x800040, 0x00);
636 ret = af9033_wr_reg(state, 0x800047, 0x00);
640 ret = af9033_wr_reg_mask(state, 0x80f999, 0x00, 0x01);
644 if (c->frequency <= 230000000)
645 tmp = 0x00; /* VHF */
647 tmp = 0x01; /* UHF */
649 ret = af9033_wr_reg(state, 0x80004b, tmp);
653 ret = af9033_wr_reg(state, 0x800000, 0x00);
660 dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
665 static int af9033_get_frontend(struct dvb_frontend *fe)
667 struct af9033_state *state = fe->demodulator_priv;
668 struct dtv_frontend_properties *c = &fe->dtv_property_cache;
672 dev_dbg(&state->i2c->dev, "%s:\n", __func__);
674 /* read all needed registers */
675 ret = af9033_rd_regs(state, 0x80f900, buf, sizeof(buf));
679 switch ((buf[0] >> 0) & 3) {
681 c->transmission_mode = TRANSMISSION_MODE_2K;
684 c->transmission_mode = TRANSMISSION_MODE_8K;
688 switch ((buf[1] >> 0) & 3) {
690 c->guard_interval = GUARD_INTERVAL_1_32;
693 c->guard_interval = GUARD_INTERVAL_1_16;
696 c->guard_interval = GUARD_INTERVAL_1_8;
699 c->guard_interval = GUARD_INTERVAL_1_4;
703 switch ((buf[2] >> 0) & 7) {
705 c->hierarchy = HIERARCHY_NONE;
708 c->hierarchy = HIERARCHY_1;
711 c->hierarchy = HIERARCHY_2;
714 c->hierarchy = HIERARCHY_4;
718 switch ((buf[3] >> 0) & 3) {
720 c->modulation = QPSK;
723 c->modulation = QAM_16;
726 c->modulation = QAM_64;
730 switch ((buf[4] >> 0) & 3) {
732 c->bandwidth_hz = 6000000;
735 c->bandwidth_hz = 7000000;
738 c->bandwidth_hz = 8000000;
742 switch ((buf[6] >> 0) & 7) {
744 c->code_rate_HP = FEC_1_2;
747 c->code_rate_HP = FEC_2_3;
750 c->code_rate_HP = FEC_3_4;
753 c->code_rate_HP = FEC_5_6;
756 c->code_rate_HP = FEC_7_8;
759 c->code_rate_HP = FEC_NONE;
763 switch ((buf[7] >> 0) & 7) {
765 c->code_rate_LP = FEC_1_2;
768 c->code_rate_LP = FEC_2_3;
771 c->code_rate_LP = FEC_3_4;
774 c->code_rate_LP = FEC_5_6;
777 c->code_rate_LP = FEC_7_8;
780 c->code_rate_LP = FEC_NONE;
787 dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
792 static int af9033_read_status(struct dvb_frontend *fe, fe_status_t *status)
794 struct af9033_state *state = fe->demodulator_priv;
800 /* radio channel status, 0=no result, 1=has signal, 2=no signal */
801 ret = af9033_rd_reg(state, 0x800047, &tmp);
807 *status |= FE_HAS_SIGNAL;
811 ret = af9033_rd_reg_mask(state, 0x80f5a9, &tmp, 0x01);
816 *status |= FE_HAS_SIGNAL | FE_HAS_CARRIER |
820 ret = af9033_rd_reg_mask(state, 0x80f999, &tmp, 0x01);
825 *status |= FE_HAS_SIGNAL | FE_HAS_CARRIER |
826 FE_HAS_VITERBI | FE_HAS_SYNC |
833 dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
838 static int af9033_read_snr(struct dvb_frontend *fe, u16 *snr)
840 struct af9033_state *state = fe->demodulator_priv;
844 const struct val_snr *uninitialized_var(snr_lut);
847 ret = af9033_rd_regs(state, 0x80002c, buf, 3);
851 snr_val = (buf[2] << 16) | (buf[1] << 8) | buf[0];
853 /* read current modulation */
854 ret = af9033_rd_reg(state, 0x80f903, &tmp);
858 switch ((tmp >> 0) & 3) {
860 len = ARRAY_SIZE(qpsk_snr_lut);
861 snr_lut = qpsk_snr_lut;
864 len = ARRAY_SIZE(qam16_snr_lut);
865 snr_lut = qam16_snr_lut;
868 len = ARRAY_SIZE(qam64_snr_lut);
869 snr_lut = qam64_snr_lut;
875 for (i = 0; i < len; i++) {
876 tmp = snr_lut[i].snr;
878 if (snr_val < snr_lut[i].val)
882 *snr = tmp * 10; /* dB/10 */
887 dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
892 static int af9033_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
894 struct af9033_state *state = fe->demodulator_priv;
898 /* read signal strength of 0-100 scale */
899 ret = af9033_rd_reg(state, 0x800048, &strength2);
903 /* scale value to 0x0000-0xffff */
904 *strength = strength2 * 0xffff / 100;
909 dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
914 static int af9033_update_ch_stat(struct af9033_state *state)
917 u32 err_cnt, bit_cnt;
921 /* only update data every half second */
922 if (time_after(jiffies, state->last_stat_check + msecs_to_jiffies(500))) {
923 ret = af9033_rd_regs(state, 0x800032, buf, sizeof(buf));
926 /* in 8 byte packets? */
927 abort_cnt = (buf[1] << 8) + buf[0];
929 err_cnt = (buf[4] << 16) + (buf[3] << 8) + buf[2];
930 /* in 8 byte packets? always(?) 0x2710 = 10000 */
931 bit_cnt = (buf[6] << 8) + buf[5];
933 if (bit_cnt < abort_cnt) {
935 state->ber = 0xffffffff;
937 /* 8 byte packets, that have not been rejected already */
938 bit_cnt -= (u32)abort_cnt;
940 state->ber = 0xffffffff;
942 err_cnt -= (u32)abort_cnt * 8 * 8;
944 state->ber = err_cnt * (0xffffffff / bit_cnt);
947 state->ucb += abort_cnt;
948 state->last_stat_check = jiffies;
953 dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
958 static int af9033_read_ber(struct dvb_frontend *fe, u32 *ber)
960 struct af9033_state *state = fe->demodulator_priv;
963 ret = af9033_update_ch_stat(state);
972 static int af9033_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks)
974 struct af9033_state *state = fe->demodulator_priv;
977 ret = af9033_update_ch_stat(state);
981 *ucblocks = state->ucb;
986 static int af9033_i2c_gate_ctrl(struct dvb_frontend *fe, int enable)
988 struct af9033_state *state = fe->demodulator_priv;
991 dev_dbg(&state->i2c->dev, "%s: enable=%d\n", __func__, enable);
993 ret = af9033_wr_reg_mask(state, 0x00fa04, enable, 0x01);
1000 dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
1005 static int af9033_pid_filter_ctrl(struct dvb_frontend *fe, int onoff)
1007 struct af9033_state *state = fe->demodulator_priv;
1010 dev_dbg(&state->i2c->dev, "%s: onoff=%d\n", __func__, onoff);
1012 ret = af9033_wr_reg_mask(state, 0x80f993, onoff, 0x01);
1019 dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
1024 static int af9033_pid_filter(struct dvb_frontend *fe, int index, u16 pid, int onoff)
1026 struct af9033_state *state = fe->demodulator_priv;
1028 u8 wbuf[2] = {(pid >> 0) & 0xff, (pid >> 8) & 0xff};
1030 dev_dbg(&state->i2c->dev, "%s: index=%d pid=%04x onoff=%d\n",
1031 __func__, index, pid, onoff);
1036 ret = af9033_wr_regs(state, 0x80f996, wbuf, 2);
1040 ret = af9033_wr_reg(state, 0x80f994, onoff);
1044 ret = af9033_wr_reg(state, 0x80f995, index);
1051 dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
1056 static struct dvb_frontend_ops af9033_ops;
1058 struct dvb_frontend *af9033_attach(const struct af9033_config *config,
1059 struct i2c_adapter *i2c,
1060 struct af9033_ops *ops)
1063 struct af9033_state *state;
1066 dev_dbg(&i2c->dev, "%s:\n", __func__);
1068 /* allocate memory for the internal state */
1069 state = kzalloc(sizeof(struct af9033_state), GFP_KERNEL);
1073 /* setup the state */
1075 memcpy(&state->cfg, config, sizeof(struct af9033_config));
1077 if (state->cfg.clock != 12000000) {
1078 dev_err(&state->i2c->dev, "%s: af9033: unsupported clock=%d, " \
1079 "only 12000000 Hz is supported currently\n",
1080 KBUILD_MODNAME, state->cfg.clock);
1084 /* firmware version */
1085 ret = af9033_rd_regs(state, 0x0083e9, &buf[0], 4);
1089 ret = af9033_rd_regs(state, 0x804191, &buf[4], 4);
1093 dev_info(&state->i2c->dev, "%s: firmware version: LINK=%d.%d.%d.%d " \
1094 "OFDM=%d.%d.%d.%d\n", KBUILD_MODNAME, buf[0], buf[1],
1095 buf[2], buf[3], buf[4], buf[5], buf[6], buf[7]);
1098 switch (state->cfg.tuner) {
1099 case AF9033_TUNER_IT9135_38:
1100 case AF9033_TUNER_IT9135_51:
1101 case AF9033_TUNER_IT9135_52:
1102 case AF9033_TUNER_IT9135_60:
1103 case AF9033_TUNER_IT9135_61:
1104 case AF9033_TUNER_IT9135_62:
1105 /* IT9135 did not like to sleep at that early */
1108 ret = af9033_wr_reg(state, 0x80004c, 1);
1112 ret = af9033_wr_reg(state, 0x800000, 0);
1117 /* configure internal TS mode */
1118 switch (state->cfg.ts_mode) {
1119 case AF9033_TS_MODE_PARALLEL:
1120 state->ts_mode_parallel = true;
1122 case AF9033_TS_MODE_SERIAL:
1123 state->ts_mode_serial = true;
1125 case AF9033_TS_MODE_USB:
1126 /* usb mode for AF9035 */
1131 /* create dvb_frontend */
1132 memcpy(&state->fe.ops, &af9033_ops, sizeof(struct dvb_frontend_ops));
1133 state->fe.demodulator_priv = state;
1136 ops->pid_filter = af9033_pid_filter;
1137 ops->pid_filter_ctrl = af9033_pid_filter_ctrl;
1146 EXPORT_SYMBOL(af9033_attach);
1148 static struct dvb_frontend_ops af9033_ops = {
1149 .delsys = { SYS_DVBT },
1151 .name = "Afatech AF9033 (DVB-T)",
1152 .frequency_min = 174000000,
1153 .frequency_max = 862000000,
1154 .frequency_stepsize = 250000,
1155 .frequency_tolerance = 0,
1156 .caps = FE_CAN_FEC_1_2 |
1166 FE_CAN_TRANSMISSION_MODE_AUTO |
1167 FE_CAN_GUARD_INTERVAL_AUTO |
1168 FE_CAN_HIERARCHY_AUTO |
1173 .release = af9033_release,
1175 .init = af9033_init,
1176 .sleep = af9033_sleep,
1178 .get_tune_settings = af9033_get_tune_settings,
1179 .set_frontend = af9033_set_frontend,
1180 .get_frontend = af9033_get_frontend,
1182 .read_status = af9033_read_status,
1183 .read_snr = af9033_read_snr,
1184 .read_signal_strength = af9033_read_signal_strength,
1185 .read_ber = af9033_read_ber,
1186 .read_ucblocks = af9033_read_ucblocks,
1188 .i2c_gate_ctrl = af9033_i2c_gate_ctrl,
1191 MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
1192 MODULE_DESCRIPTION("Afatech AF9033 DVB-T demodulator driver");
1193 MODULE_LICENSE("GPL");