181 static int af9013_write_ofsm_regs(struct af9013_state *state, u16 reg, u8 *val,  in af9013_write_ofsm_regs()  argument
185 	return af9013_wr_regs_i2c(state, mbox, reg, val, len);  in af9013_write_ofsm_regs()
188 static int af9013_wr_reg_bits(struct af9013_state *state, u16 reg, int pos,  in af9013_wr_reg_bits()  argument
196 		ret = af9013_rd_reg(state, reg, &tmp);  in af9013_wr_reg_bits()
206 	return af9013_wr_reg(state, reg, val);  in af9013_wr_reg_bits()
209 static int af9013_rd_reg_bits(struct af9013_state *state, u16 reg, int pos,  in af9013_rd_reg_bits()  argument
215 	ret = af9013_rd_reg(state, reg, &tmp);  in af9013_rd_reg_bits()
225 static int af9013_set_gpio(struct af9013_state *state, u8 gpio, u8 gpioval)  in af9013_set_gpio()  argument
231 	dev_dbg(&state->i2c->dev, "%s: gpio=%d gpioval=%02x\n",  in af9013_set_gpio()
250 		dev_err(&state->i2c->dev, "%s: invalid gpio=%d\n",  in af9013_set_gpio()
268 	ret = af9013_wr_reg_bits(state, addr, pos, 4, gpioval);  in af9013_set_gpio()
274 	dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);  in af9013_set_gpio()
278 static u32 af9013_div(struct af9013_state *state, u32 a, u32 b, u32 x)  in af9013_div()  argument
282 	dev_dbg(&state->i2c->dev, "%s: a=%d b=%d x=%d\n", __func__, a, b, x);  in af9013_div()
299 	dev_dbg(&state->i2c->dev, "%s: a=%d b=%d x=%d r=%d r=%x\n",  in af9013_div()
305 static int af9013_power_ctrl(struct af9013_state *state, u8 onoff)  in af9013_power_ctrl()  argument
310 	dev_dbg(&state->i2c->dev, "%s: onoff=%d\n", __func__, onoff);  in af9013_power_ctrl()
313 	ret = af9013_wr_reg_bits(state, 0xd417, 4, 1, 1);  in af9013_power_ctrl()
318 	ret = af9013_wr_reg(state, 0xaeff, 1);  in af9013_power_ctrl()
324 		ret = af9013_rd_reg_bits(state, 0xd417, 1, 1, &tmp);  in af9013_power_ctrl()
339 		ret = af9013_wr_reg_bits(state, 0xd417, 1, 1, 0);  in af9013_power_ctrl()
344 		ret = af9013_wr_reg_bits(state, 0xd417, 4, 1, 0);  in af9013_power_ctrl()
347 		ret = af9013_wr_reg_bits(state, 0xd73a, 3, 1, 0);  in af9013_power_ctrl()
350 		ret = af9013_wr_reg_bits(state, 0xd73a, 3, 1, 1);  in af9013_power_ctrl()
355 	dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);  in af9013_power_ctrl()
361 	struct af9013_state *state = fe->demodulator_priv;  in af9013_statistics_ber_unc_start()  local
364 	dev_dbg(&state->i2c->dev, "%s:\n", __func__);  in af9013_statistics_ber_unc_start()
367 	ret = af9013_wr_reg_bits(state, 0xd391, 4, 1, 1);  in af9013_statistics_ber_unc_start()
373 	dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);  in af9013_statistics_ber_unc_start()
379 	struct af9013_state *state = fe->demodulator_priv;  in af9013_statistics_ber_unc_result()  local
383 	dev_dbg(&state->i2c->dev, "%s:\n", __func__);  in af9013_statistics_ber_unc_result()
386 	ret = af9013_rd_reg_bits(state, 0xd391, 4, 1, &buf[0]);  in af9013_statistics_ber_unc_result()
391 		dev_dbg(&state->i2c->dev, "%s: not ready\n", __func__);  in af9013_statistics_ber_unc_result()
395 	ret = af9013_rd_regs(state, 0xd387, buf, 5);  in af9013_statistics_ber_unc_result()
399 	state->ber = (buf[2] << 16) | (buf[1] << 8) | buf[0];  in af9013_statistics_ber_unc_result()
400 	state->ucblocks += (buf[4] << 8) | buf[3];  in af9013_statistics_ber_unc_result()
404 	dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);  in af9013_statistics_ber_unc_result()
410 	struct af9013_state *state = fe->demodulator_priv;  in af9013_statistics_snr_start()  local
413 	dev_dbg(&state->i2c->dev, "%s:\n", __func__);  in af9013_statistics_snr_start()
416 	ret = af9013_wr_reg_bits(state, 0xd2e1, 3, 1, 1);  in af9013_statistics_snr_start()
422 	dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);  in af9013_statistics_snr_start()
428 	struct af9013_state *state = fe->demodulator_priv;  in af9013_statistics_snr_result()  local
434 	dev_dbg(&state->i2c->dev, "%s:\n", __func__);  in af9013_statistics_snr_result()
437 	ret = af9013_rd_reg_bits(state, 0xd2e1, 3, 1, &tmp);  in af9013_statistics_snr_result()
442 		dev_dbg(&state->i2c->dev, "%s: not ready\n", __func__);  in af9013_statistics_snr_result()
447 	ret = af9013_rd_regs(state, 0xd2e3, buf, 3);  in af9013_statistics_snr_result()
454 	ret = af9013_rd_reg(state, 0xd3c1, &tmp);  in af9013_statistics_snr_result()
481 	state->snr = tmp * 10; /* dB/10 */  in af9013_statistics_snr_result()
485 	dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);  in af9013_statistics_snr_result()
491 	struct af9013_state *state = fe->demodulator_priv;  in af9013_statistics_signal_strength()  local
496 	dev_dbg(&state->i2c->dev, "%s:\n", __func__);  in af9013_statistics_signal_strength()
498 	if (!state->signal_strength_en)  in af9013_statistics_signal_strength()
501 	ret = af9013_rd_regs(state, 0xd07c, buf, 2);  in af9013_statistics_signal_strength()
509 		(9 * (state->rf_50 + state->if_50) - \  in af9013_statistics_signal_strength()
510 		11 * (state->rf_80 + state->if_80))) * \  in af9013_statistics_signal_strength()
512 		11 * (state->rf_80 + state->if_80));  in af9013_statistics_signal_strength()
518 	state->signal_strength = signal_strength;  in af9013_statistics_signal_strength()
522 	dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);  in af9013_statistics_signal_strength()
528 	struct af9013_state *state = container_of(work,  in af9013_statistics_work()  local
533 	if (!(state->fe_status & FE_HAS_LOCK)) {  in af9013_statistics_work()
534 		state->statistics_step = 0;  in af9013_statistics_work()
535 		state->ber = 0;  in af9013_statistics_work()
536 		state->snr = 0;  in af9013_statistics_work()
539 	switch (state->statistics_step) {  in af9013_statistics_work()
541 		state->statistics_step = 0;  in af9013_statistics_work()
543 		af9013_statistics_signal_strength(&state->fe);  in af9013_statistics_work()
544 		state->statistics_step++;  in af9013_statistics_work()
548 		af9013_statistics_snr_start(&state->fe);  in af9013_statistics_work()
549 		state->statistics_step++;  in af9013_statistics_work()
553 		af9013_statistics_ber_unc_start(&state->fe);  in af9013_statistics_work()
554 		state->statistics_step++;  in af9013_statistics_work()
558 		af9013_statistics_snr_result(&state->fe);  in af9013_statistics_work()
559 		state->statistics_step++;  in af9013_statistics_work()
563 		af9013_statistics_ber_unc_result(&state->fe);  in af9013_statistics_work()
564 		state->statistics_step++;  in af9013_statistics_work()
569 	schedule_delayed_work(&state->statistics_work,  in af9013_statistics_work()
585 	struct af9013_state *state = fe->demodulator_priv;  in af9013_set_frontend()  local
592 	dev_dbg(&state->i2c->dev, "%s: frequency=%d bandwidth_hz=%d\n",  in af9013_set_frontend()
600 	if (c->bandwidth_hz != state->bandwidth_hz) {  in af9013_set_frontend()
602 			if (coeff_lut[i].clock == state->config.clock &&  in af9013_set_frontend()
612 		ret = af9013_wr_regs(state, 0xae00, coeff_lut[i].val,  in af9013_set_frontend()
617 	if (c->bandwidth_hz != state->bandwidth_hz || state->first_tune) {  in af9013_set_frontend()
622 			if_frequency = state->config.if_frequency;  in af9013_set_frontend()
624 		dev_dbg(&state->i2c->dev, "%s: if_frequency=%d\n",  in af9013_set_frontend()
629 		while (sampling_freq > (state->config.clock / 2))  in af9013_set_frontend()
630 			sampling_freq -= state->config.clock;  in af9013_set_frontend()
634 			spec_inv = state->config.spec_inv;  in af9013_set_frontend()
636 			spec_inv = !state->config.spec_inv;  in af9013_set_frontend()
639 		freq_cw = af9013_div(state, sampling_freq, state->config.clock,  in af9013_set_frontend()
655 		ret = af9013_wr_regs(state, 0xd140, buf, 3);  in af9013_set_frontend()
659 		ret = af9013_wr_regs(state, 0x9be7, buf, 6);  in af9013_set_frontend()
665 	ret = af9013_wr_reg_bits(state, 0xd330, 3, 1, 1);  in af9013_set_frontend()
670 	ret = af9013_wr_reg_bits(state, 0xd507, 6, 1, 0);  in af9013_set_frontend()
675 	ret = af9013_wr_reg_bits(state, 0x9bfe, 0, 1, 0);  in af9013_set_frontend()
680 	ret = af9013_wr_reg_bits(state, 0x9bc2, 0, 1, 0);  in af9013_set_frontend()
698 		dev_dbg(&state->i2c->dev, "%s: invalid transmission_mode\n",  in af9013_set_frontend()
719 		dev_dbg(&state->i2c->dev, "%s: invalid guard_interval\n",  in af9013_set_frontend()
740 		dev_dbg(&state->i2c->dev, "%s: invalid hierarchy\n", __func__);  in af9013_set_frontend()
757 		dev_dbg(&state->i2c->dev, "%s: invalid modulation\n", __func__);  in af9013_set_frontend()
783 		dev_dbg(&state->i2c->dev, "%s: invalid code_rate_HP\n",  in af9013_set_frontend()
809 		dev_dbg(&state->i2c->dev, "%s: invalid code_rate_LP\n",  in af9013_set_frontend()
824 		dev_dbg(&state->i2c->dev, "%s: invalid bandwidth_hz\n",  in af9013_set_frontend()
830 	ret = af9013_wr_regs(state, 0xd3c0, buf, 3);  in af9013_set_frontend()
836 		ret = af9013_wr_reg(state, 0xaefd, 0);  in af9013_set_frontend()
840 		dev_dbg(&state->i2c->dev, "%s: auto params\n", __func__);  in af9013_set_frontend()
843 		ret = af9013_wr_reg(state, 0xaefd, 1);  in af9013_set_frontend()
847 		ret = af9013_wr_reg(state, 0xaefe, 0);  in af9013_set_frontend()
851 		dev_dbg(&state->i2c->dev, "%s: manual params\n", __func__);  in af9013_set_frontend()
855 	ret = af9013_wr_reg(state, 0xffff, 0);  in af9013_set_frontend()
859 	state->bandwidth_hz = c->bandwidth_hz;  in af9013_set_frontend()
860 	state->set_frontend_jiffies = jiffies;  in af9013_set_frontend()
861 	state->first_tune = false;  in af9013_set_frontend()
865 	dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);  in af9013_set_frontend()
872 	struct af9013_state *state = fe->demodulator_priv;  in af9013_get_frontend()  local
876 	dev_dbg(&state->i2c->dev, "%s:\n", __func__);  in af9013_get_frontend()
878 	ret = af9013_rd_regs(state, 0xd3c0, buf, 3);  in af9013_get_frontend()
982 	dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);  in af9013_get_frontend()
988 	struct af9013_state *state = fe->demodulator_priv;  in af9013_read_status()  local
997 		state->read_status_jiffies + msecs_to_jiffies(2000)) &&  in af9013_read_status()
999 		state->set_frontend_jiffies + msecs_to_jiffies(4000))  in af9013_read_status()
1001 			*status = state->fe_status;  in af9013_read_status()
1008 	ret = af9013_rd_reg_bits(state, 0xd507, 6, 1, &tmp);  in af9013_read_status()
1018 		ret = af9013_rd_reg_bits(state, 0xd330, 3, 1, &tmp);  in af9013_read_status()
1027 	state->fe_status = *status;  in af9013_read_status()
1028 	state->read_status_jiffies = jiffies;  in af9013_read_status()
1032 	dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);  in af9013_read_status()
1038 	struct af9013_state *state = fe->demodulator_priv;  in af9013_read_snr()  local
1039 	*snr = state->snr;  in af9013_read_snr()
1045 	struct af9013_state *state = fe->demodulator_priv;  in af9013_read_signal_strength()  local
1046 	*strength = state->signal_strength;  in af9013_read_signal_strength()
1052 	struct af9013_state *state = fe->demodulator_priv;  in af9013_read_ber()  local
1053 	*ber = state->ber;  in af9013_read_ber()
1059 	struct af9013_state *state = fe->demodulator_priv;  in af9013_read_ucblocks()  local
1060 	*ucblocks = state->ucblocks;  in af9013_read_ucblocks()
1066 	struct af9013_state *state = fe->demodulator_priv;  in af9013_init()  local
1072 	dev_dbg(&state->i2c->dev, "%s:\n", __func__);  in af9013_init()
1075 	ret = af9013_power_ctrl(state, 1);  in af9013_init()
1080 	ret = af9013_wr_reg(state, 0xd73a, 0xa4);  in af9013_init()
1085 	ret = af9013_wr_regs(state, 0x9bf2, state->config.api_version, 4);  in af9013_init()
1090 	switch (state->config.clock) {  in af9013_init()
1104 		dev_err(&state->i2c->dev, "%s: invalid clock\n",  in af9013_init()
1109 	adc_cw = af9013_div(state, state->config.clock, 1000000ul, 19);  in af9013_init()
1114 	ret = af9013_wr_regs(state, 0xd180, buf, 3);  in af9013_init()
1118 	ret = af9013_wr_reg_bits(state, 0x9bd2, 0, 4, tmp);  in af9013_init()
1123 	ret = af9013_wr_reg(state, 0xd416, 0x14);  in af9013_init()
1128 	ret = af9013_wr_reg_bits(state, 0xd700, 1, 1, 1);  in af9013_init()
1133 	ret = af9013_wr_reg_bits(state, 0xd700, 2, 1, 0);  in af9013_init()
1138 	ret = af9013_wr_reg_bits(state, 0xd371, 1, 1, 1);  in af9013_init()
1143 	if (state->config.ts_mode == AF9013_TS_USB) {  in af9013_init()
1145 		ret = af9013_wr_reg_bits(state, 0xd50b, 2, 1, 1);  in af9013_init()
1150 		ret = af9013_wr_reg_bits(state, 0xd500, 3, 1, 1);  in af9013_init()
1155 		ret = af9013_wr_reg_bits(state, 0xd502, 4, 1, 1);  in af9013_init()
1160 	ret = af9013_wr_reg_bits(state, 0xd520, 4, 1, 1);  in af9013_init()
1165 	dev_dbg(&state->i2c->dev, "%s: load ofsm settings\n", __func__);  in af9013_init()
1169 		ret = af9013_wr_reg_bits(state, init[i].addr, init[i].pos,  in af9013_init()
1176 	dev_dbg(&state->i2c->dev, "%s: load tuner specific settings\n",  in af9013_init()
1178 	switch (state->config.tuner) {  in af9013_init()
1223 		ret = af9013_wr_reg_bits(state, init[i].addr, init[i].pos,  in af9013_init()
1230 	ret = af9013_wr_reg_bits(state, 0xd500, 1, 2, state->config.ts_mode);  in af9013_init()
1235 	ret = af9013_wr_reg_bits(state, 0xd730, 0, 1, 1);  in af9013_init()
1240 	if (!state->signal_strength_en) {  in af9013_init()
1241 		ret = af9013_rd_reg_bits(state, 0x9bee, 0, 1,  in af9013_init()
1242 			&state->signal_strength_en);  in af9013_init()
1248 	if (state->signal_strength_en && !state->rf_50) {  in af9013_init()
1249 		ret = af9013_rd_reg(state, 0x9bbd, &state->rf_50);  in af9013_init()
1253 		ret = af9013_rd_reg(state, 0x9bd0, &state->rf_80);  in af9013_init()
1257 		ret = af9013_rd_reg(state, 0x9be2, &state->if_50);  in af9013_init()
1261 		ret = af9013_rd_reg(state, 0x9be4, &state->if_80);  in af9013_init()
1267 	ret = af9013_wr_reg(state, 0xd2e2, 1);  in af9013_init()
1274 	ret = af9013_wr_regs(state, 0xd385, buf, 2);  in af9013_init()
1279 	ret = af9013_wr_reg_bits(state, 0xd392, 1, 1, 1);  in af9013_init()
1283 	state->first_tune = true;  in af9013_init()
1284 	schedule_delayed_work(&state->statistics_work, msecs_to_jiffies(400));  in af9013_init()
1288 	dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);  in af9013_init()
1294 	struct af9013_state *state = fe->demodulator_priv;  in af9013_sleep()  local
1297 	dev_dbg(&state->i2c->dev, "%s:\n", __func__);  in af9013_sleep()
1300 	cancel_delayed_work_sync(&state->statistics_work);  in af9013_sleep()
1303 	ret = af9013_wr_reg_bits(state, 0xd730, 0, 1, 0);  in af9013_sleep()
1308 	ret = af9013_power_ctrl(state, 0);  in af9013_sleep()
1314 	dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);  in af9013_sleep()
1321 	struct af9013_state *state = fe->demodulator_priv;  in af9013_i2c_gate_ctrl()  local
1323 	dev_dbg(&state->i2c->dev, "%s: enable=%d\n", __func__, enable);  in af9013_i2c_gate_ctrl()
1326 	if (state->i2c_gate_state == enable)  in af9013_i2c_gate_ctrl()
1329 	if (state->config.ts_mode == AF9013_TS_USB)  in af9013_i2c_gate_ctrl()
1330 		ret = af9013_wr_reg_bits(state, 0xd417, 3, 1, enable);  in af9013_i2c_gate_ctrl()
1332 		ret = af9013_wr_reg_bits(state, 0xd607, 2, 1, enable);  in af9013_i2c_gate_ctrl()
1336 	state->i2c_gate_state = enable;  in af9013_i2c_gate_ctrl()
1340 	dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);  in af9013_i2c_gate_ctrl()
1346 	struct af9013_state *state = fe->demodulator_priv;  in af9013_release()  local
1347 	kfree(state);  in af9013_release()
1352 static int af9013_download_firmware(struct af9013_state *state)  in af9013_download_firmware()  argument
1363 	ret = af9013_rd_reg(state, 0x98be, &val);  in af9013_download_firmware()
1367 		dev_dbg(&state->i2c->dev, "%s: firmware status=%02x\n",  in af9013_download_firmware()
1373 	dev_info(&state->i2c->dev, "%s: found a '%s' in cold state, will try " \  in af9013_download_firmware()
1378 	ret = request_firmware(&fw, fw_file, state->i2c->dev.parent);  in af9013_download_firmware()
1380 		dev_info(&state->i2c->dev, "%s: did not find the firmware " \  in af9013_download_firmware()
1387 	dev_info(&state->i2c->dev, "%s: downloading firmware from file '%s'\n",  in af9013_download_firmware()
1400 	ret = af9013_write_ofsm_regs(state, 0x50fc,  in af9013_download_firmware()
1412 		ret = af9013_write_ofsm_regs(state,  in af9013_download_firmware()
1416 			dev_err(&state->i2c->dev,  in af9013_download_firmware()
1424 	ret = af9013_wr_reg(state, 0xe205, 1);  in af9013_download_firmware()
1432 		ret = af9013_rd_reg(state, 0x98be, &val);  in af9013_download_firmware()
1436 		dev_dbg(&state->i2c->dev, "%s: firmware status=%02x\n",  in af9013_download_firmware()
1444 		dev_err(&state->i2c->dev, "%s: firmware did not run\n",  in af9013_download_firmware()
1448 		dev_err(&state->i2c->dev, "%s: firmware boot timeout\n",  in af9013_download_firmware()
1458 		dev_info(&state->i2c->dev, "%s: found a '%s' in warm state\n",  in af9013_download_firmware()
1467 	struct af9013_state *state = NULL;  in af9013_attach()  local
1471 	state = kzalloc(sizeof(struct af9013_state), GFP_KERNEL);  in af9013_attach()
1472 	if (state == NULL)  in af9013_attach()
1476 	state->i2c = i2c;  in af9013_attach()
1477 	memcpy(&state->config, config, sizeof(struct af9013_config));  in af9013_attach()
1480 	if (state->config.ts_mode != AF9013_TS_USB) {  in af9013_attach()
1481 		ret = af9013_download_firmware(state);  in af9013_attach()
1487 	ret = af9013_rd_regs(state, 0x5103, buf, 4);  in af9013_attach()
1491 	dev_info(&state->i2c->dev, "%s: firmware version %d.%d.%d.%d\n",  in af9013_attach()
1495 	for (i = 0; i < sizeof(state->config.gpio); i++) {  in af9013_attach()
1496 		ret = af9013_set_gpio(state, i, state->config.gpio[i]);  in af9013_attach()
1502 	memcpy(&state->fe.ops, &af9013_ops,  in af9013_attach()
1504 	state->fe.demodulator_priv = state;  in af9013_attach()
1506 	INIT_DELAYED_WORK(&state->statistics_work, af9013_statistics_work);  in af9013_attach()
1508 	return &state->fe;  in af9013_attach()
1510 	kfree(state);  in af9013_attach()