33 #define CRC_CCIT_MASK 0x1021
56 #define dprintk(args...)	do { if (debug) pr_debug(args); } while (0)
61 	struct i2c_msg msg = { .addr = addr, .flags = 0, .buf = buf, .len = len };  in i2c_writebytes()
64 		pr_warn("%s: i2c write error (addr 0x%02x, err == %i)\n",  in i2c_writebytes()
68 	return 0;  in i2c_writebytes()
77 		pr_warn("%s: i2c read error (addr 0x%02x, err == %i)\n",  in i2c_readbytes()
81 	return 0;  in i2c_readbytes()
89 …struct i2c_msg msg = { .addr = state->config->demod_address, .flags = 0, .buf = buf2, .len = len +…  in nxt200x_writebytes()
97 	buf2[0] = reg;  in nxt200x_writebytes()
101 		pr_warn("%s: i2c write error (addr 0x%02x, err == %i)\n",  in nxt200x_writebytes()
105 	return 0;  in nxt200x_writebytes()
112 …struct i2c_msg msg [] = { { .addr = state->config->demod_address, .flags = 0, .buf = reg2, .len = …  in nxt200x_readbytes()
118 		pr_warn("%s: i2c read error (addr 0x%02x, err == %i)\n",  in nxt200x_readbytes()
122 	return 0;  in nxt200x_readbytes()
128 	u16 input = (u16) c & 0xFF;  in nxt200x_crc()
131 	for(i=0; i<8; i++) {  in nxt200x_crc()
132 		if((crc^input) & 0x8000)  in nxt200x_crc()
147 	nxt200x_writebytes(state, 0x35, &reg, 1);  in nxt200x_writereg_multibyte()
150 	nxt200x_writebytes(state, 0x36, data, len);  in nxt200x_writereg_multibyte()
155 			buf = 0x02;  in nxt200x_writereg_multibyte()
159 			attr = 0x02;  in nxt200x_writereg_multibyte()
160 			if (reg & 0x80) {  in nxt200x_writereg_multibyte()
162 				if (reg & 0x04)  in nxt200x_writereg_multibyte()
166 			len2 = ((attr << 4) | 0x10) | len;  in nxt200x_writereg_multibyte()
167 			buf = 0x80;  in nxt200x_writereg_multibyte()
175 	nxt200x_writebytes(state, 0x34, &len2, 1);  in nxt200x_writereg_multibyte()
178 	nxt200x_writebytes(state, 0x21, &buf, 1);  in nxt200x_writereg_multibyte()
180 	nxt200x_readbytes(state, 0x21, &buf, 1);  in nxt200x_writereg_multibyte()
184 			if ((buf & 0x02) == 0)  in nxt200x_writereg_multibyte()
185 				return 0;  in nxt200x_writereg_multibyte()
188 			if (buf == 0)  in nxt200x_writereg_multibyte()
189 				return 0;  in nxt200x_writereg_multibyte()
196 	pr_warn("Error writing multireg register 0x%02X\n", reg);  in nxt200x_writereg_multibyte()
198 	return 0;  in nxt200x_writereg_multibyte()
208 	nxt200x_writebytes(state, 0x35, &reg, 1);  in nxt200x_readreg_multibyte()
213 			len2 = len & 0x80;  in nxt200x_readreg_multibyte()
214 			nxt200x_writebytes(state, 0x34, &len2, 1);  in nxt200x_readreg_multibyte()
218 			return 0;  in nxt200x_readreg_multibyte()
222 			attr = 0x02;  in nxt200x_readreg_multibyte()
223 			if (reg & 0x80) {  in nxt200x_readreg_multibyte()
225 				if (reg & 0x04)  in nxt200x_readreg_multibyte()
231 			nxt200x_writebytes(state, 0x34, &len2, 1);  in nxt200x_readreg_multibyte()
234 			buf = 0x80;  in nxt200x_readreg_multibyte()
235 			nxt200x_writebytes(state, 0x21, &buf, 1);  in nxt200x_readreg_multibyte()
238 			for(i = 0; i < len; i++) {  in nxt200x_readreg_multibyte()
239 				nxt200x_readbytes(state, 0x36 + i, &data[i], 1);  in nxt200x_readreg_multibyte()
241 			return 0;  in nxt200x_readreg_multibyte()
251 	u8 buf, stopval, counter = 0;  in nxt200x_microcontroller_stop()
257 			stopval = 0x40;  in nxt200x_microcontroller_stop()
260 			stopval = 0x10;  in nxt200x_microcontroller_stop()
263 			stopval = 0;  in nxt200x_microcontroller_stop()
267 	buf = 0x80;  in nxt200x_microcontroller_stop()
268 	nxt200x_writebytes(state, 0x22, &buf, 1);  in nxt200x_microcontroller_stop()
271 		nxt200x_readbytes(state, 0x31, &buf, 1);  in nxt200x_microcontroller_stop()
287 	buf = 0x00;  in nxt200x_microcontroller_start()
288 	nxt200x_writebytes(state, 0x22, &buf, 1);  in nxt200x_microcontroller_start()
294 	u8 counter = 0;  in nxt2004_microcontroller_init()
297 	buf[0] = 0x00;  in nxt2004_microcontroller_init()
298 	nxt200x_writebytes(state, 0x2b, buf, 1);  in nxt2004_microcontroller_init()
299 	buf[0] = 0x70;  in nxt2004_microcontroller_init()
300 	nxt200x_writebytes(state, 0x34, buf, 1);  in nxt2004_microcontroller_init()
301 	buf[0] = 0x04;  in nxt2004_microcontroller_init()
302 	nxt200x_writebytes(state, 0x35, buf, 1);  in nxt2004_microcontroller_init()
303 	buf[0] = 0x01; buf[1] = 0x23; buf[2] = 0x45; buf[3] = 0x67; buf[4] = 0x89;  in nxt2004_microcontroller_init()
304 	buf[5] = 0xAB; buf[6] = 0xCD; buf[7] = 0xEF; buf[8] = 0xC0;  in nxt2004_microcontroller_init()
305 	nxt200x_writebytes(state, 0x36, buf, 9);  in nxt2004_microcontroller_init()
306 	buf[0] = 0x80;  in nxt2004_microcontroller_init()
307 	nxt200x_writebytes(state, 0x21, buf, 1);  in nxt2004_microcontroller_init()
310 		nxt200x_readbytes(state, 0x21, buf, 1);  in nxt2004_microcontroller_init()
311 		if (buf[0] == 0)  in nxt2004_microcontroller_init()
324 	u8 buf, count = 0;  in nxt200x_writetuner()
334 			if (i2c_writebytes(state, data[0], data+1, 4))  in nxt200x_writetuner()
338 				i2c_readbytes(state, data[0], &buf, 1);  in nxt200x_writetuner()
339 				if (buf & 0x40)  in nxt200x_writetuner()
340 					return 0;  in nxt200x_writetuner()
348 			buf = 0x03;  in nxt200x_writetuner()
349 			nxt200x_writebytes(state, 0x20, &buf, 1);  in nxt200x_writetuner()
352 			buf = 0x04;  in nxt200x_writetuner()
353 			nxt200x_writebytes(state, 0x34, &buf, 1);  in nxt200x_writetuner()
356 			nxt200x_writebytes(state, 0x36, data+1, 4);  in nxt200x_writetuner()
359 			buf = data[0] << 1;  in nxt200x_writetuner()
360 			nxt200x_writebytes(state, 0x35, &buf, 1);  in nxt200x_writetuner()
363 			buf = 0x80;  in nxt200x_writetuner()
364 			nxt200x_writebytes(state, 0x21, &buf, 1);  in nxt200x_writetuner()
367 				nxt200x_readbytes(state, 0x21, &buf, 1);  in nxt200x_writetuner()
368 				if ((buf & 0x80)== 0x00)  in nxt200x_writetuner()
369 					return 0;  in nxt200x_writetuner()
379 	return 0;  in nxt200x_writetuner()
389 			buf = 0x08;  in nxt200x_agc_reset()
390 			nxt200x_writebytes(state, 0x08, &buf, 1);  in nxt200x_agc_reset()
391 			buf = 0x00;  in nxt200x_agc_reset()
392 			nxt200x_writebytes(state, 0x08, &buf, 1);  in nxt200x_agc_reset()
395 			nxt200x_readreg_multibyte(state, 0x08, &buf, 1);  in nxt200x_agc_reset()
396 			buf = 0x08;  in nxt200x_agc_reset()
397 			nxt200x_writereg_multibyte(state, 0x08, &buf, 1);  in nxt200x_agc_reset()
398 			buf = 0x00;  in nxt200x_agc_reset()
399 			nxt200x_writereg_multibyte(state, 0x08, &buf, 1);  in nxt200x_agc_reset()
411 	u8 buf[3], written = 0, chunkpos = 0;  in nxt2002_load_firmware()
412 	u16 rambase, position, crc = 0;  in nxt2002_load_firmware()
418 	nxt200x_readbytes(state, 0x10, buf, 1);  in nxt2002_load_firmware()
420 	if (buf[0] & 0x10)  in nxt2002_load_firmware()
421 		rambase = 0x1000;  in nxt2002_load_firmware()
423 		rambase = 0x0000;  in nxt2002_load_firmware()
428 	buf[0] = 0x80;  in nxt2002_load_firmware()
429 	nxt200x_writebytes(state, 0x2B, buf, 1);  in nxt2002_load_firmware()
431 	for (position = 0; position < fw->size; position++) {  in nxt2002_load_firmware()
432 		if (written == 0) {  in nxt2002_load_firmware()
433 			crc = 0;  in nxt2002_load_firmware()
434 			chunkpos = 0x28;  in nxt2002_load_firmware()
435 			buf[0] = ((rambase + position) >> 8);  in nxt2002_load_firmware()
436 			buf[1] = (rambase + position) & 0xFF;  in nxt2002_load_firmware()
437 			buf[2] = 0x81;  in nxt2002_load_firmware()
439 			nxt200x_writebytes(state, 0x29, buf, 3);  in nxt2002_load_firmware()
444 		if ((written % 4) == 0)  in nxt2002_load_firmware()
454 			buf[0] = crc << 8;  in nxt2002_load_firmware()
455 			buf[1] = crc & 0xFF;  in nxt2002_load_firmware()
458 			nxt200x_writebytes(state, 0x2C, buf, 2);  in nxt2002_load_firmware()
461 			nxt200x_readbytes(state, 0x2A, buf, 1);  in nxt2002_load_firmware()
464 			buf[0] = 0x80;  in nxt2002_load_firmware()
465 			nxt200x_writebytes(state, 0x2B, buf, 1);  in nxt2002_load_firmware()
467 			written = 0;  in nxt2002_load_firmware()
471 	return 0;  in nxt2002_load_firmware()
479 	u16 rambase, position, crc=0;  in nxt2004_load_firmware()
485 	rambase = 0x1000;  in nxt2004_load_firmware()
488 	buf[0] = 0x80;  in nxt2004_load_firmware()
489 	nxt200x_writebytes(state, 0x2B, buf,1);  in nxt2004_load_firmware()
492 	for (position = 0; position < fw->size; position++) {  in nxt2004_load_firmware()
496 	buf[0] = rambase >> 8;  in nxt2004_load_firmware()
497 	buf[1] = rambase & 0xFF;  in nxt2004_load_firmware()
498 	buf[2] = 0x81;  in nxt2004_load_firmware()
500 	nxt200x_writebytes(state,0x29,buf,3);  in nxt2004_load_firmware()
502 	for (position = 0; position < fw->size;) {  in nxt2004_load_firmware()
503 		nxt200x_writebytes(state, 0x2C, &fw->data[position],  in nxt2004_load_firmware()
507 	buf[0] = crc >> 8;  in nxt2004_load_firmware()
508 	buf[1] = crc & 0xFF;  in nxt2004_load_firmware()
510 	dprintk("firmware crc is 0x%02X 0x%02X\n", buf[0], buf[1]);  in nxt2004_load_firmware()
513 	nxt200x_writebytes(state, 0x2C, buf,2);  in nxt2004_load_firmware()
516 	nxt200x_readbytes(state, 0x2C, buf, 1);  in nxt2004_load_firmware()
519 	buf[0] = 0x80;  in nxt2004_load_firmware()
520 	nxt200x_writebytes(state, 0x2B, buf,1);  in nxt2004_load_firmware()
522 	return 0;  in nxt2004_load_firmware()
536 		buf[0] = 0x04;  in nxt200x_setup_frontend_parameters()
537 		nxt200x_writebytes(state, 0x14, buf, 1);  in nxt200x_setup_frontend_parameters()
538 		buf[0] = 0x00;  in nxt200x_setup_frontend_parameters()
539 		nxt200x_writebytes(state, 0x17, buf, 1);  in nxt200x_setup_frontend_parameters()
554 				state->config->set_ts_params(fe, 0);  in nxt200x_setup_frontend_parameters()
576 			buf[0] = 0x74;  in nxt200x_setup_frontend_parameters()
579 			buf[0] = 0x70;  in nxt200x_setup_frontend_parameters()
585 	nxt200x_writebytes(state, 0x42, buf, 1);  in nxt200x_setup_frontend_parameters()
590 			buf[0] = 0x87;  in nxt200x_setup_frontend_parameters()
593 			buf[0] = 0x07;  in nxt200x_setup_frontend_parameters()
599 	nxt200x_writebytes(state, 0x57, buf, 1);  in nxt200x_setup_frontend_parameters()
602 	buf[0] = 0x10;  in nxt200x_setup_frontend_parameters()
603 	buf[1] = 0x00;  in nxt200x_setup_frontend_parameters()
606 			nxt200x_writereg_multibyte(state, 0x58, buf, 2);  in nxt200x_setup_frontend_parameters()
609 			nxt200x_writebytes(state, 0x58, buf, 2);  in nxt200x_setup_frontend_parameters()
619 				buf[0] = 0x68;  in nxt200x_setup_frontend_parameters()
622 				buf[0] = 0x64;  in nxt200x_setup_frontend_parameters()
625 				buf[0] = 0x60;  in nxt200x_setup_frontend_parameters()
631 	buf[1] = 0x00;  in nxt200x_setup_frontend_parameters()
634 			nxt200x_writereg_multibyte(state, 0x5C, buf, 2);  in nxt200x_setup_frontend_parameters()
637 			nxt200x_writebytes(state, 0x5C, buf, 2);  in nxt200x_setup_frontend_parameters()
645 	buf[0] = 0x05;  in nxt200x_setup_frontend_parameters()
646 	nxt200x_writebytes(state, 0x43, buf, 1);  in nxt200x_setup_frontend_parameters()
650 		buf[0] = 0x00;  in nxt200x_setup_frontend_parameters()
651 		buf[1] = 0x00;  in nxt200x_setup_frontend_parameters()
652 		nxt200x_writebytes(state, 0x46, buf, 2);  in nxt200x_setup_frontend_parameters()
656 	buf[0] = 0x80;  in nxt200x_setup_frontend_parameters()
657 	buf[1] = 0x00;  in nxt200x_setup_frontend_parameters()
660 			nxt200x_writereg_multibyte(state, 0x4B, buf, 2);  in nxt200x_setup_frontend_parameters()
663 			nxt200x_writebytes(state, 0x4B, buf, 2);  in nxt200x_setup_frontend_parameters()
671 	buf[0] = 0x00;  in nxt200x_setup_frontend_parameters()
672 	nxt200x_writebytes(state, 0x4D, buf, 1);  in nxt200x_setup_frontend_parameters()
675 	buf[0] = 0x44;  in nxt200x_setup_frontend_parameters()
676 	nxt200x_writebytes(state, 0x55, buf, 1);  in nxt200x_setup_frontend_parameters()
679 	buf[0] = 0x04;  in nxt200x_setup_frontend_parameters()
680 	nxt200x_writebytes(state, 0x41, buf, 1);  in nxt200x_setup_frontend_parameters()
683 		nxt200x_readreg_multibyte(state, 0x80, buf, 1);  in nxt200x_setup_frontend_parameters()
684 		buf[0] = 0x24;  in nxt200x_setup_frontend_parameters()
685 		nxt200x_writereg_multibyte(state, 0x80, buf, 1);  in nxt200x_setup_frontend_parameters()
688 		nxt200x_readreg_multibyte(state, 0x08, buf, 1);  in nxt200x_setup_frontend_parameters()
689 		buf[0] = 0x10;  in nxt200x_setup_frontend_parameters()
690 		nxt200x_writereg_multibyte(state, 0x08, buf, 1);  in nxt200x_setup_frontend_parameters()
691 		nxt200x_readreg_multibyte(state, 0x08, buf, 1);  in nxt200x_setup_frontend_parameters()
692 		buf[0] = 0x00;  in nxt200x_setup_frontend_parameters()
693 		nxt200x_writereg_multibyte(state, 0x08, buf, 1);  in nxt200x_setup_frontend_parameters()
695 		nxt200x_readreg_multibyte(state, 0x80, buf, 1);  in nxt200x_setup_frontend_parameters()
696 		buf[0] = 0x04;  in nxt200x_setup_frontend_parameters()
697 		nxt200x_writereg_multibyte(state, 0x80, buf, 1);  in nxt200x_setup_frontend_parameters()
698 		buf[0] = 0x00;  in nxt200x_setup_frontend_parameters()
699 		nxt200x_writereg_multibyte(state, 0x81, buf, 1);  in nxt200x_setup_frontend_parameters()
700 		buf[0] = 0x80; buf[1] = 0x00; buf[2] = 0x00;  in nxt200x_setup_frontend_parameters()
701 		nxt200x_writereg_multibyte(state, 0x82, buf, 3);  in nxt200x_setup_frontend_parameters()
702 		nxt200x_readreg_multibyte(state, 0x88, buf, 1);  in nxt200x_setup_frontend_parameters()
703 		buf[0] = 0x11;  in nxt200x_setup_frontend_parameters()
704 		nxt200x_writereg_multibyte(state, 0x88, buf, 1);  in nxt200x_setup_frontend_parameters()
705 		nxt200x_readreg_multibyte(state, 0x80, buf, 1);  in nxt200x_setup_frontend_parameters()
706 		buf[0] = 0x44;  in nxt200x_setup_frontend_parameters()
707 		nxt200x_writereg_multibyte(state, 0x80, buf, 1);  in nxt200x_setup_frontend_parameters()
713 				buf[0] = 0x02;  in nxt200x_setup_frontend_parameters()
716 				buf[0] = 0x03;  in nxt200x_setup_frontend_parameters()
719 				buf[0] = 0x00;  in nxt200x_setup_frontend_parameters()
725 	nxt200x_writebytes(state, 0x30, buf, 1);  in nxt200x_setup_frontend_parameters()
728 	buf[0] = 0x00;  in nxt200x_setup_frontend_parameters()
729 	nxt200x_writebytes(state, 0x41, buf, 1);  in nxt200x_setup_frontend_parameters()
732 	buf[0] = 0x80;  in nxt200x_setup_frontend_parameters()
733 	buf[1] = 0x00;  in nxt200x_setup_frontend_parameters()
736 			nxt200x_writereg_multibyte(state, 0x49, buf, 2);  in nxt200x_setup_frontend_parameters()
737 			nxt200x_writereg_multibyte(state, 0x4B, buf, 2);  in nxt200x_setup_frontend_parameters()
740 			nxt200x_writebytes(state, 0x49, buf, 2);  in nxt200x_setup_frontend_parameters()
741 			nxt200x_writebytes(state, 0x4B, buf, 2);  in nxt200x_setup_frontend_parameters()
749 	buf[0] = 0x04;  in nxt200x_setup_frontend_parameters()
750 	nxt200x_writebytes(state, 0x41, buf, 1);  in nxt200x_setup_frontend_parameters()
758 		buf[0] = 0xF0;  in nxt200x_setup_frontend_parameters()
759 		buf[1] = 0x00;  in nxt200x_setup_frontend_parameters()
760 		nxt200x_writebytes(state, 0x5C, buf, 2);  in nxt200x_setup_frontend_parameters()
766 	return 0;  in nxt200x_setup_frontend_parameters()
773 	nxt200x_readbytes(state, 0x31, &lock, 1);  in nxt200x_read_status()
775 	*status = 0;  in nxt200x_read_status()
776 	if (lock & 0x20) {  in nxt200x_read_status()
783 	return 0;  in nxt200x_read_status()
791 	nxt200x_readreg_multibyte(state, 0xE6, b, 3);  in nxt200x_read_ber()
793 	*ber = ((b[0] << 8) + b[1]) * 8;  in nxt200x_read_ber()
795 	return 0;  in nxt200x_read_ber()
802 	u16 temp = 0;  in nxt200x_read_signal_strength()
805 	b[0] = 0x00;  in nxt200x_read_signal_strength()
806 	nxt200x_writebytes(state, 0xA1, b, 1);  in nxt200x_read_signal_strength()
809 	nxt200x_readreg_multibyte(state, 0xA6, b, 2);  in nxt200x_read_signal_strength()
811 	temp = (b[0] << 8) | b[1];  in nxt200x_read_signal_strength()
812 	*strength = ((0x7FFF - temp) & 0x0FFF) * 16;  in nxt200x_read_signal_strength()
814 	return 0;  in nxt200x_read_signal_strength()
822 	u16 temp = 0, temp2;  in nxt200x_read_snr()
823 	u32 snrdb = 0;  in nxt200x_read_snr()
826 	b[0] = 0x00;  in nxt200x_read_snr()
827 	nxt200x_writebytes(state, 0xA1, b, 1);  in nxt200x_read_snr()
829 	/* get multreg val from 0xA6 */  in nxt200x_read_snr()
830 	nxt200x_readreg_multibyte(state, 0xA6, b, 2);  in nxt200x_read_snr()
832 	temp = (b[0] << 8) | b[1];  in nxt200x_read_snr()
833 	temp2 = 0x7FFF - temp;  in nxt200x_read_snr()
836 	if (temp2 > 0x7F00)  in nxt200x_read_snr()
837 		snrdb = 1000*24 + ( 1000*(30-24) * ( temp2 - 0x7F00 ) / ( 0x7FFF - 0x7F00 ) );  in nxt200x_read_snr()
838 	else if (temp2 > 0x7EC0)  in nxt200x_read_snr()
839 		snrdb = 1000*18 + ( 1000*(24-18) * ( temp2 - 0x7EC0 ) / ( 0x7F00 - 0x7EC0 ) );  in nxt200x_read_snr()
840 	else if (temp2 > 0x7C00)  in nxt200x_read_snr()
841 		snrdb = 1000*12 + ( 1000*(18-12) * ( temp2 - 0x7C00 ) / ( 0x7EC0 - 0x7C00 ) );  in nxt200x_read_snr()
843 		snrdb = 1000*0 + ( 1000*(12-0) * ( temp2 - 0 ) / ( 0x7C00 - 0 ) );  in nxt200x_read_snr()
845 	/* the value reported back from the frontend will be FFFF=32db 0000=0db */  in nxt200x_read_snr()
846 	*snr = snrdb * (0xFFFF/32000);  in nxt200x_read_snr()
848 	return 0;  in nxt200x_read_snr()
856 	nxt200x_readreg_multibyte(state, 0xE6, b, 3);  in nxt200x_read_ucblocks()
859 	return 0;  in nxt200x_read_ucblocks()
864 	return 0;  in nxt200x_sleep()
898 	buf[0]=0x00;  in nxt2002_init()
899 	nxt200x_writebytes(state, 0x2B, buf, 1);  in nxt2002_init()
905 	buf[0] = 0x0F;  in nxt2002_init()
906 	nxt200x_writebytes(state, 0x08, buf, 1);  in nxt2002_init()
907 	buf[0] = 0x00;  in nxt2002_init()
908 	nxt200x_writebytes(state, 0x08, buf, 1);  in nxt2002_init()
911 	buf[0] = 0xF1;  in nxt2002_init()
912 	nxt200x_writebytes(state, 0x57, buf, 1);  in nxt2002_init()
915 	buf[0] = 0x20;  in nxt2002_init()
916 	nxt200x_writebytes(state, 0x09, buf, 1);  in nxt2002_init()
919 	buf[0] = 0x7E;  in nxt2002_init()
920 	buf[1] = 0x00;  in nxt2002_init()
921 	nxt200x_writebytes(state, 0xE9, buf, 2);  in nxt2002_init()
924 	buf[0] = 0x00;  in nxt2002_init()
925 	nxt200x_writebytes(state, 0xCC, buf, 1);  in nxt2002_init()
927 	return 0;  in nxt2002_init()
938 	buf[0]=0x00;  in nxt2004_init()
939 	nxt200x_writebytes(state, 0x1E, buf, 1);  in nxt2004_init()
962 	buf[0] = 0x01;  in nxt2004_init()
963 	nxt200x_writebytes(state, 0x19, buf, 1);  in nxt2004_init()
972 	buf[0] = 0xFF;  in nxt2004_init()
973 	nxt200x_writereg_multibyte(state, 0x08, buf, 1);  in nxt2004_init()
974 	buf[0] = 0x00;  in nxt2004_init()
975 	nxt200x_writereg_multibyte(state, 0x08, buf, 1);  in nxt2004_init()
978 	buf[0] = 0xD7;  in nxt2004_init()
979 	nxt200x_writebytes(state, 0x57, buf, 1);  in nxt2004_init()
982 	buf[0] = 0x07;  in nxt2004_init()
983 	buf[1] = 0xfe;  in nxt2004_init()
984 	nxt200x_writebytes(state, 0x35, buf, 2);  in nxt2004_init()
985 	buf[0] = 0x12;  in nxt2004_init()
986 	nxt200x_writebytes(state, 0x34, buf, 1);  in nxt2004_init()
987 	buf[0] = 0x80;  in nxt2004_init()
988 	nxt200x_writebytes(state, 0x21, buf, 1);  in nxt2004_init()
991 	buf[0] = 0x21;  in nxt2004_init()
992 	nxt200x_writebytes(state, 0x0A, buf, 1);  in nxt2004_init()
995 	buf[0] = 0x01;  in nxt2004_init()
996 	nxt200x_writereg_multibyte(state, 0x80, buf, 1);  in nxt2004_init()
999 	buf[0] = 0x7E;  in nxt2004_init()
1000 	buf[1] = 0x00;  in nxt2004_init()
1001 	nxt200x_writebytes(state, 0xE9, buf, 2);  in nxt2004_init()
1004 	buf[0] = 0x00;  in nxt2004_init()
1005 	nxt200x_writebytes(state, 0xCC, buf, 1);  in nxt2004_init()
1008 	nxt200x_readreg_multibyte(state, 0x80, buf, 1);  in nxt2004_init()
1009 	buf[0] = 0x00;  in nxt2004_init()
1010 	nxt200x_writereg_multibyte(state, 0x80, buf, 1);  in nxt2004_init()
1013 	nxt200x_readreg_multibyte(state, 0x08, buf, 1);  in nxt2004_init()
1014 	buf[0] = 0x10;  in nxt2004_init()
1015 	nxt200x_writereg_multibyte(state, 0x08, buf, 1);  in nxt2004_init()
1016 	nxt200x_readreg_multibyte(state, 0x08, buf, 1);  in nxt2004_init()
1017 	buf[0] = 0x00;  in nxt2004_init()
1018 	nxt200x_writereg_multibyte(state, 0x08, buf, 1);  in nxt2004_init()
1021 	nxt200x_readreg_multibyte(state, 0x80, buf, 1);  in nxt2004_init()
1022 	buf[0] = 0x01;  in nxt2004_init()
1023 	nxt200x_writereg_multibyte(state, 0x80, buf, 1);  in nxt2004_init()
1024 	buf[0] = 0x70;  in nxt2004_init()
1025 	nxt200x_writereg_multibyte(state, 0x81, buf, 1);  in nxt2004_init()
1026 	buf[0] = 0x31; buf[1] = 0x5E; buf[2] = 0x66;  in nxt2004_init()
1027 	nxt200x_writereg_multibyte(state, 0x82, buf, 3);  in nxt2004_init()
1029 	nxt200x_readreg_multibyte(state, 0x88, buf, 1);  in nxt2004_init()
1030 	buf[0] = 0x11;  in nxt2004_init()
1031 	nxt200x_writereg_multibyte(state, 0x88, buf, 1);  in nxt2004_init()
1032 	nxt200x_readreg_multibyte(state, 0x80, buf, 1);  in nxt2004_init()
1033 	buf[0] = 0x40;  in nxt2004_init()
1034 	nxt200x_writereg_multibyte(state, 0x80, buf, 1);  in nxt2004_init()
1036 	nxt200x_readbytes(state, 0x10, buf, 1);  in nxt2004_init()
1037 	buf[0] = 0x10;  in nxt2004_init()
1038 	nxt200x_writebytes(state, 0x10, buf, 1);  in nxt2004_init()
1039 	nxt200x_readbytes(state, 0x0A, buf, 1);  in nxt2004_init()
1040 	buf[0] = 0x21;  in nxt2004_init()
1041 	nxt200x_writebytes(state, 0x0A, buf, 1);  in nxt2004_init()
1045 	buf[0] = 0x21;  in nxt2004_init()
1046 	nxt200x_writebytes(state, 0x0A, buf, 1);  in nxt2004_init()
1047 	buf[0] = 0x7E;  in nxt2004_init()
1048 	nxt200x_writebytes(state, 0xE9, buf, 1);  in nxt2004_init()
1049 	buf[0] = 0x00;  in nxt2004_init()
1050 	nxt200x_writebytes(state, 0xEA, buf, 1);  in nxt2004_init()
1052 	nxt200x_readreg_multibyte(state, 0x80, buf, 1);  in nxt2004_init()
1053 	buf[0] = 0x00;  in nxt2004_init()
1054 	nxt200x_writereg_multibyte(state, 0x80, buf, 1);  in nxt2004_init()
1055 	nxt200x_readreg_multibyte(state, 0x80, buf, 1);  in nxt2004_init()
1056 	buf[0] = 0x00;  in nxt2004_init()
1057 	nxt200x_writereg_multibyte(state, 0x80, buf, 1);  in nxt2004_init()
1060 	nxt200x_readreg_multibyte(state, 0x08, buf, 1);  in nxt2004_init()
1061 	buf[0] = 0x10;  in nxt2004_init()
1062 	nxt200x_writereg_multibyte(state, 0x08, buf, 1);  in nxt2004_init()
1063 	nxt200x_readreg_multibyte(state, 0x08, buf, 1);  in nxt2004_init()
1064 	buf[0] = 0x00;  in nxt2004_init()
1065 	nxt200x_writereg_multibyte(state, 0x08, buf, 1);  in nxt2004_init()
1067 	nxt200x_readreg_multibyte(state, 0x80, buf, 1);  in nxt2004_init()
1068 	buf[0] = 0x04;  in nxt2004_init()
1069 	nxt200x_writereg_multibyte(state, 0x80, buf, 1);  in nxt2004_init()
1070 	buf[0] = 0x00;  in nxt2004_init()
1071 	nxt200x_writereg_multibyte(state, 0x81, buf, 1);  in nxt2004_init()
1072 	buf[0] = 0x80; buf[1] = 0x00; buf[2] = 0x00;  in nxt2004_init()
1073 	nxt200x_writereg_multibyte(state, 0x82, buf, 3);  in nxt2004_init()
1075 	nxt200x_readreg_multibyte(state, 0x88, buf, 1);  in nxt2004_init()
1076 	buf[0] = 0x11;  in nxt2004_init()
1077 	nxt200x_writereg_multibyte(state, 0x88, buf, 1);  in nxt2004_init()
1079 	nxt200x_readreg_multibyte(state, 0x80, buf, 1);  in nxt2004_init()
1080 	buf[0] = 0x44;  in nxt2004_init()
1081 	nxt200x_writereg_multibyte(state, 0x80, buf, 1);  in nxt2004_init()
1084 	nxt200x_readbytes(state, 0x10, buf, 1);  in nxt2004_init()
1085 	buf[0] = 0x12;  in nxt2004_init()
1086 	nxt200x_writebytes(state, 0x10, buf, 1);  in nxt2004_init()
1087 	buf[0] = 0x04;  in nxt2004_init()
1088 	nxt200x_writebytes(state, 0x13, buf, 1);  in nxt2004_init()
1089 	buf[0] = 0x00;  in nxt2004_init()
1090 	nxt200x_writebytes(state, 0x16, buf, 1);  in nxt2004_init()
1091 	buf[0] = 0x04;  in nxt2004_init()
1092 	nxt200x_writebytes(state, 0x14, buf, 1);  in nxt2004_init()
1093 	buf[0] = 0x00;  in nxt2004_init()
1094 	nxt200x_writebytes(state, 0x14, buf, 1);  in nxt2004_init()
1095 	nxt200x_writebytes(state, 0x17, buf, 1);  in nxt2004_init()
1096 	nxt200x_writebytes(state, 0x14, buf, 1);  in nxt2004_init()
1097 	nxt200x_writebytes(state, 0x17, buf, 1);  in nxt2004_init()
1099 	return 0;  in nxt2004_init()
1105 	int ret = 0;  in nxt200x_init()
1127 	fesettings->step_size = 0;  in nxt200x_get_tune_settings()
1128 	fesettings->max_drift = 0;  in nxt200x_get_tune_settings()
1129 	return 0;  in nxt200x_get_tune_settings()
1144 	u8 buf [] = {0,0,0,0,0};  in nxt200x_attach()
1154 	state->initialised = 0;  in nxt200x_attach()
1157 	nxt200x_readbytes(state, 0x00, buf, 5);  in nxt200x_attach()
1161 	switch (buf[0]) {  in nxt200x_attach()
1162 		case 0x04:  in nxt200x_attach()
1166 		case 0x05:  in nxt200x_attach()
1177 			if (buf[0] != 0x04) goto error;		/* device id */  in nxt200x_attach()
1178 			if (buf[1] != 0x02) goto error;		/* fab id */  in nxt200x_attach()
1179 			if (buf[2] != 0x11) goto error;		/* month */  in nxt200x_attach()
1180 			if (buf[3] != 0x20) goto error;		/* year msb */  in nxt200x_attach()
1181 			if (buf[4] != 0x00) goto error;		/* year lsb */  in nxt200x_attach()
1184 			if (buf[0] != 0x05) goto error;		/* device id */  in nxt200x_attach()