1 /*
2  * Driver for the MaxLinear MxL5xx family of tuners/demods
3  *
4  * Copyright (C) 2014-2015 Ralph Metzler <rjkm@metzlerbros.de>
5  *                         Marcus Metzler <mocm@metzlerbros.de>
6  *                         developed for Digital Devices GmbH
7  *
8  * based on code:
9  * Copyright (c) 2011-2013 MaxLinear, Inc. All rights reserved
10  * which was released under GPL V2
11  *
12  * This program is free software; you can redistribute it and/or
13  * modify it under the terms of the GNU General Public License
14  * version 2, as published by the Free Software Foundation.
15  *
16  * This program is distributed in the hope that it will be useful,
17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
19  * GNU General Public License for more details.
20  *
21  */
22 
23 #include <linux/kernel.h>
24 #include <linux/module.h>
25 #include <linux/moduleparam.h>
26 #include <linux/init.h>
27 #include <linux/delay.h>
28 #include <linux/firmware.h>
29 #include <linux/i2c.h>
30 #include <linux/version.h>
31 #include <linux/mutex.h>
32 #include <linux/vmalloc.h>
33 #include <asm/div64.h>
34 #include <asm/unaligned.h>
35 
36 #include "dvb_frontend.h"
37 #include "mxl5xx.h"
38 #include "mxl5xx_regs.h"
39 #include "mxl5xx_defs.h"
40 
41 #define BYTE0(v) ((v >>  0) & 0xff)
42 #define BYTE1(v) ((v >>  8) & 0xff)
43 #define BYTE2(v) ((v >> 16) & 0xff)
44 #define BYTE3(v) ((v >> 24) & 0xff)
45 
46 LIST_HEAD(mxllist);
47 
48 struct mxl_base {
49 	struct list_head     mxllist;
50 	struct list_head     mxls;
51 
52 	u8                   adr;
53 	struct i2c_adapter  *i2c;
54 
55 	u32                  count;
56 	u32                  type;
57 	u32                  sku_type;
58 	u32                  chipversion;
59 	u32                  clock;
60 	u32                  fwversion;
61 
62 	u8                  *ts_map;
63 	u8                   can_clkout;
64 	u8                   chan_bond;
65 	u8                   demod_num;
66 	u8                   tuner_num;
67 
68 	unsigned long        next_tune;
69 
70 	struct mutex         i2c_lock;
71 	struct mutex         status_lock;
72 	struct mutex         tune_lock;
73 
74 	u8                   buf[MXL_HYDRA_OEM_MAX_CMD_BUFF_LEN];
75 
76 	u32                  cmd_size;
77 	u8                   cmd_data[MAX_CMD_DATA];
78 };
79 
80 struct mxl {
81 	struct list_head     mxl;
82 
83 	struct mxl_base     *base;
84 	struct dvb_frontend  fe;
85 	struct device       *i2cdev;
86 	u32                  demod;
87 	u32                  tuner;
88 	u32                  tuner_in_use;
89 	u8                   xbar[3];
90 
91 	unsigned long        tune_time;
92 };
93 
94 static void convert_endian(u8 flag, u32 size, u8 *d)
95 {
96 	u32 i;
97 
98 	if (!flag)
99 		return;
100 	for (i = 0; i < (size & ~3); i += 4) {
101 		d[i + 0] ^= d[i + 3];
102 		d[i + 3] ^= d[i + 0];
103 		d[i + 0] ^= d[i + 3];
104 
105 		d[i + 1] ^= d[i + 2];
106 		d[i + 2] ^= d[i + 1];
107 		d[i + 1] ^= d[i + 2];
108 	}
109 
110 	switch (size & 3) {
111 	case 0:
112 	case 1:
113 		/* do nothing */
114 		break;
115 	case 2:
116 		d[i + 0] ^= d[i + 1];
117 		d[i + 1] ^= d[i + 0];
118 		d[i + 0] ^= d[i + 1];
119 		break;
120 
121 	case 3:
122 		d[i + 0] ^= d[i + 2];
123 		d[i + 2] ^= d[i + 0];
124 		d[i + 0] ^= d[i + 2];
125 		break;
126 	}
127 
128 }
129 
130 static int i2c_write(struct i2c_adapter *adap, u8 adr,
131 			    u8 *data, u32 len)
132 {
133 	struct i2c_msg msg = {.addr = adr, .flags = 0,
134 			      .buf = data, .len = len};
135 
136 	return (i2c_transfer(adap, &msg, 1) == 1) ? 0 : -1;
137 }
138 
139 static int i2c_read(struct i2c_adapter *adap, u8 adr,
140 			   u8 *data, u32 len)
141 {
142 	struct i2c_msg msg = {.addr = adr, .flags = I2C_M_RD,
143 			      .buf = data, .len = len};
144 
145 	return (i2c_transfer(adap, &msg, 1) == 1) ? 0 : -1;
146 }
147 
148 static int i2cread(struct mxl *state, u8 *data, int len)
149 {
150 	return i2c_read(state->base->i2c, state->base->adr, data, len);
151 }
152 
153 static int i2cwrite(struct mxl *state, u8 *data, int len)
154 {
155 	return i2c_write(state->base->i2c, state->base->adr, data, len);
156 }
157 
158 static int read_register_unlocked(struct mxl *state, u32 reg, u32 *val)
159 {
160 	int stat;
161 	u8 data[MXL_HYDRA_REG_SIZE_IN_BYTES + MXL_HYDRA_I2C_HDR_SIZE] = {
162 		MXL_HYDRA_PLID_REG_READ, 0x04,
163 		GET_BYTE(reg, 0), GET_BYTE(reg, 1),
164 		GET_BYTE(reg, 2), GET_BYTE(reg, 3),
165 	};
166 
167 	stat = i2cwrite(state, data,
168 			MXL_HYDRA_REG_SIZE_IN_BYTES + MXL_HYDRA_I2C_HDR_SIZE);
169 	if (stat)
170 		dev_err(state->i2cdev, "i2c read error 1\n");
171 	if (!stat)
172 		stat = i2cread(state, (u8 *) val,
173 			       MXL_HYDRA_REG_SIZE_IN_BYTES);
174 	le32_to_cpus(val);
175 	if (stat)
176 		dev_err(state->i2cdev, "i2c read error 2\n");
177 	return stat;
178 }
179 
180 #define DMA_I2C_INTERRUPT_ADDR 0x8000011C
181 #define DMA_INTR_PROT_WR_CMP 0x08
182 
183 static int send_command(struct mxl *state, u32 size, u8 *buf)
184 {
185 	int stat;
186 	u32 val, count = 10;
187 
188 	mutex_lock(&state->base->i2c_lock);
189 	if (state->base->fwversion > 0x02010109)  {
190 		read_register_unlocked(state, DMA_I2C_INTERRUPT_ADDR, &val);
191 		if (DMA_INTR_PROT_WR_CMP & val)
192 			dev_info(state->i2cdev, "%s busy\n", __func__);
193 		while ((DMA_INTR_PROT_WR_CMP & val) && --count) {
194 			mutex_unlock(&state->base->i2c_lock);
195 			usleep_range(1000, 2000);
196 			mutex_lock(&state->base->i2c_lock);
197 			read_register_unlocked(state, DMA_I2C_INTERRUPT_ADDR,
198 					       &val);
199 		}
200 		if (!count) {
201 			dev_info(state->i2cdev, "%s busy\n", __func__);
202 			mutex_unlock(&state->base->i2c_lock);
203 			return -EBUSY;
204 		}
205 	}
206 	stat = i2cwrite(state, buf, size);
207 	mutex_unlock(&state->base->i2c_lock);
208 	return stat;
209 }
210 
211 static int write_register(struct mxl *state, u32 reg, u32 val)
212 {
213 	int stat;
214 	u8 data[MXL_HYDRA_REG_WRITE_LEN] = {
215 		MXL_HYDRA_PLID_REG_WRITE, 0x08,
216 		BYTE0(reg), BYTE1(reg), BYTE2(reg), BYTE3(reg),
217 		BYTE0(val), BYTE1(val), BYTE2(val), BYTE3(val),
218 	};
219 	mutex_lock(&state->base->i2c_lock);
220 	stat = i2cwrite(state, data, sizeof(data));
221 	mutex_unlock(&state->base->i2c_lock);
222 	if (stat)
223 		dev_err(state->i2cdev, "i2c write error\n");
224 	return stat;
225 }
226 
227 static int write_firmware_block(struct mxl *state,
228 				u32 reg, u32 size, u8 *reg_data_ptr)
229 {
230 	int stat;
231 	u8 *buf = state->base->buf;
232 
233 	mutex_lock(&state->base->i2c_lock);
234 	buf[0] = MXL_HYDRA_PLID_REG_WRITE;
235 	buf[1] = size + 4;
236 	buf[2] = GET_BYTE(reg, 0);
237 	buf[3] = GET_BYTE(reg, 1);
238 	buf[4] = GET_BYTE(reg, 2);
239 	buf[5] = GET_BYTE(reg, 3);
240 	memcpy(&buf[6], reg_data_ptr, size);
241 	stat = i2cwrite(state, buf,
242 			MXL_HYDRA_I2C_HDR_SIZE +
243 			MXL_HYDRA_REG_SIZE_IN_BYTES + size);
244 	mutex_unlock(&state->base->i2c_lock);
245 	if (stat)
246 		dev_err(state->i2cdev, "fw block write failed\n");
247 	return stat;
248 }
249 
250 static int read_register(struct mxl *state, u32 reg, u32 *val)
251 {
252 	int stat;
253 	u8 data[MXL_HYDRA_REG_SIZE_IN_BYTES + MXL_HYDRA_I2C_HDR_SIZE] = {
254 		MXL_HYDRA_PLID_REG_READ, 0x04,
255 		GET_BYTE(reg, 0), GET_BYTE(reg, 1),
256 		GET_BYTE(reg, 2), GET_BYTE(reg, 3),
257 	};
258 
259 	mutex_lock(&state->base->i2c_lock);
260 	stat = i2cwrite(state, data,
261 			MXL_HYDRA_REG_SIZE_IN_BYTES + MXL_HYDRA_I2C_HDR_SIZE);
262 	if (stat)
263 		dev_err(state->i2cdev, "i2c read error 1\n");
264 	if (!stat)
265 		stat = i2cread(state, (u8 *) val,
266 			       MXL_HYDRA_REG_SIZE_IN_BYTES);
267 	mutex_unlock(&state->base->i2c_lock);
268 	le32_to_cpus(val);
269 	if (stat)
270 		dev_err(state->i2cdev, "i2c read error 2\n");
271 	return stat;
272 }
273 
274 static int read_register_block(struct mxl *state, u32 reg, u32 size, u8 *data)
275 {
276 	int stat;
277 	u8 *buf = state->base->buf;
278 
279 	mutex_lock(&state->base->i2c_lock);
280 
281 	buf[0] = MXL_HYDRA_PLID_REG_READ;
282 	buf[1] = size + 4;
283 	buf[2] = GET_BYTE(reg, 0);
284 	buf[3] = GET_BYTE(reg, 1);
285 	buf[4] = GET_BYTE(reg, 2);
286 	buf[5] = GET_BYTE(reg, 3);
287 	stat = i2cwrite(state, buf,
288 			MXL_HYDRA_I2C_HDR_SIZE + MXL_HYDRA_REG_SIZE_IN_BYTES);
289 	if (!stat) {
290 		stat = i2cread(state, data, size);
291 		convert_endian(MXL_ENABLE_BIG_ENDIAN, size, data);
292 	}
293 	mutex_unlock(&state->base->i2c_lock);
294 	return stat;
295 }
296 
297 static int read_by_mnemonic(struct mxl *state,
298 			    u32 reg, u8 lsbloc, u8 numofbits, u32 *val)
299 {
300 	u32 data = 0, mask = 0;
301 	int stat;
302 
303 	stat = read_register(state, reg, &data);
304 	if (stat)
305 		return stat;
306 	mask = MXL_GET_REG_MASK_32(lsbloc, numofbits);
307 	data &= mask;
308 	data >>= lsbloc;
309 	*val = data;
310 	return 0;
311 }
312 
313 
314 static int update_by_mnemonic(struct mxl *state,
315 			      u32 reg, u8 lsbloc, u8 numofbits, u32 val)
316 {
317 	u32 data, mask;
318 	int stat;
319 
320 	stat = read_register(state, reg, &data);
321 	if (stat)
322 		return stat;
323 	mask = MXL_GET_REG_MASK_32(lsbloc, numofbits);
324 	data = (data & ~mask) | ((val << lsbloc) & mask);
325 	stat = write_register(state, reg, data);
326 	return stat;
327 }
328 
329 static int firmware_is_alive(struct mxl *state)
330 {
331 	u32 hb0, hb1;
332 
333 	if (read_register(state, HYDRA_HEAR_BEAT, &hb0))
334 		return 0;
335 	msleep(20);
336 	if (read_register(state, HYDRA_HEAR_BEAT, &hb1))
337 		return 0;
338 	if (hb1 == hb0)
339 		return 0;
340 	return 1;
341 }
342 
343 static int init(struct dvb_frontend *fe)
344 {
345 	struct dtv_frontend_properties *p = &fe->dtv_property_cache;
346 
347 	/* init fe stats */
348 	p->strength.len = 1;
349 	p->strength.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
350 	p->cnr.len = 1;
351 	p->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
352 	p->pre_bit_error.len = 1;
353 	p->pre_bit_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
354 	p->pre_bit_count.len = 1;
355 	p->pre_bit_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
356 	p->post_bit_error.len = 1;
357 	p->post_bit_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
358 	p->post_bit_count.len = 1;
359 	p->post_bit_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
360 
361 	return 0;
362 }
363 
364 static void release(struct dvb_frontend *fe)
365 {
366 	struct mxl *state = fe->demodulator_priv;
367 
368 	list_del(&state->mxl);
369 	/* Release one frontend, two more shall take its place! */
370 	state->base->count--;
371 	if (state->base->count == 0) {
372 		list_del(&state->base->mxllist);
373 		kfree(state->base);
374 	}
375 	kfree(state);
376 }
377 
378 static int get_algo(struct dvb_frontend *fe)
379 {
380 	return DVBFE_ALGO_HW;
381 }
382 
383 static int cfg_demod_abort_tune(struct mxl *state)
384 {
385 	struct MXL_HYDRA_DEMOD_ABORT_TUNE_T abort_tune_cmd;
386 	u8 cmd_size = sizeof(abort_tune_cmd);
387 	u8 cmd_buff[MXL_HYDRA_OEM_MAX_CMD_BUFF_LEN];
388 
389 	abort_tune_cmd.demod_id = state->demod;
390 	BUILD_HYDRA_CMD(MXL_HYDRA_ABORT_TUNE_CMD, MXL_CMD_WRITE,
391 			cmd_size, &abort_tune_cmd, cmd_buff);
392 	return send_command(state, cmd_size + MXL_HYDRA_CMD_HEADER_SIZE,
393 			    &cmd_buff[0]);
394 }
395 
396 static int send_master_cmd(struct dvb_frontend *fe,
397 			   struct dvb_diseqc_master_cmd *cmd)
398 {
399 	/*struct mxl *state = fe->demodulator_priv;*/
400 
401 	return 0; /*CfgDemodAbortTune(state);*/
402 }
403 
404 static int set_parameters(struct dvb_frontend *fe)
405 {
406 	struct mxl *state = fe->demodulator_priv;
407 	struct dtv_frontend_properties *p = &fe->dtv_property_cache;
408 	struct MXL_HYDRA_DEMOD_PARAM_T demod_chan_cfg;
409 	u8 cmd_size = sizeof(demod_chan_cfg);
410 	u8 cmd_buff[MXL_HYDRA_OEM_MAX_CMD_BUFF_LEN];
411 	u32 srange = 10;
412 	int stat;
413 
414 	if (p->frequency < 950000 || p->frequency > 2150000)
415 		return -EINVAL;
416 	if (p->symbol_rate < 1000000 || p->symbol_rate > 45000000)
417 		return -EINVAL;
418 
419 	/* CfgDemodAbortTune(state); */
420 
421 	switch (p->delivery_system) {
422 	case SYS_DSS:
423 		demod_chan_cfg.standard = MXL_HYDRA_DSS;
424 		demod_chan_cfg.roll_off = MXL_HYDRA_ROLLOFF_AUTO;
425 		break;
426 	case SYS_DVBS:
427 		srange = p->symbol_rate / 1000000;
428 		if (srange > 10)
429 			srange = 10;
430 		demod_chan_cfg.standard = MXL_HYDRA_DVBS;
431 		demod_chan_cfg.roll_off = MXL_HYDRA_ROLLOFF_0_35;
432 		demod_chan_cfg.modulation_scheme = MXL_HYDRA_MOD_QPSK;
433 		demod_chan_cfg.pilots = MXL_HYDRA_PILOTS_OFF;
434 		break;
435 	case SYS_DVBS2:
436 		demod_chan_cfg.standard = MXL_HYDRA_DVBS2;
437 		demod_chan_cfg.roll_off = MXL_HYDRA_ROLLOFF_AUTO;
438 		demod_chan_cfg.modulation_scheme = MXL_HYDRA_MOD_AUTO;
439 		demod_chan_cfg.pilots = MXL_HYDRA_PILOTS_AUTO;
440 		/* cfg_scrambler(state); */
441 		break;
442 	default:
443 		return -EINVAL;
444 	}
445 	demod_chan_cfg.tuner_index = state->tuner;
446 	demod_chan_cfg.demod_index = state->demod;
447 	demod_chan_cfg.frequency_in_hz = p->frequency * 1000;
448 	demod_chan_cfg.symbol_rate_in_hz = p->symbol_rate;
449 	demod_chan_cfg.max_carrier_offset_in_mhz = srange;
450 	demod_chan_cfg.spectrum_inversion = MXL_HYDRA_SPECTRUM_AUTO;
451 	demod_chan_cfg.fec_code_rate = MXL_HYDRA_FEC_AUTO;
452 
453 	mutex_lock(&state->base->tune_lock);
454 	if (time_after(jiffies + msecs_to_jiffies(200),
455 		       state->base->next_tune))
456 		while (time_before(jiffies, state->base->next_tune))
457 			usleep_range(10000, 11000);
458 	state->base->next_tune = jiffies + msecs_to_jiffies(100);
459 	state->tuner_in_use = state->tuner;
460 	BUILD_HYDRA_CMD(MXL_HYDRA_DEMOD_SET_PARAM_CMD, MXL_CMD_WRITE,
461 			cmd_size, &demod_chan_cfg, cmd_buff);
462 	stat = send_command(state, cmd_size + MXL_HYDRA_CMD_HEADER_SIZE,
463 			    &cmd_buff[0]);
464 	mutex_unlock(&state->base->tune_lock);
465 	return stat;
466 }
467 
468 static int enable_tuner(struct mxl *state, u32 tuner, u32 enable);
469 
470 static int sleep(struct dvb_frontend *fe)
471 {
472 	struct mxl *state = fe->demodulator_priv;
473 	struct mxl *p;
474 
475 	cfg_demod_abort_tune(state);
476 	if (state->tuner_in_use != 0xffffffff) {
477 		mutex_lock(&state->base->tune_lock);
478 		state->tuner_in_use = 0xffffffff;
479 		list_for_each_entry(p, &state->base->mxls, mxl) {
480 			if (p->tuner_in_use == state->tuner)
481 				break;
482 		}
483 		if (&p->mxl == &state->base->mxls)
484 			enable_tuner(state, state->tuner, 0);
485 		mutex_unlock(&state->base->tune_lock);
486 	}
487 	return 0;
488 }
489 
490 static int read_snr(struct dvb_frontend *fe)
491 {
492 	struct mxl *state = fe->demodulator_priv;
493 	int stat;
494 	u32 reg_data = 0;
495 	struct dtv_frontend_properties *p = &fe->dtv_property_cache;
496 
497 	mutex_lock(&state->base->status_lock);
498 	HYDRA_DEMOD_STATUS_LOCK(state, state->demod);
499 	stat = read_register(state, (HYDRA_DMD_SNR_ADDR_OFFSET +
500 				     HYDRA_DMD_STATUS_OFFSET(state->demod)),
501 			     &reg_data);
502 	HYDRA_DEMOD_STATUS_UNLOCK(state, state->demod);
503 	mutex_unlock(&state->base->status_lock);
504 
505 	p->cnr.stat[0].scale = FE_SCALE_DECIBEL;
506 	p->cnr.stat[0].svalue = (s16)reg_data * 10;
507 
508 	return stat;
509 }
510 
511 static int read_ber(struct dvb_frontend *fe)
512 {
513 	struct mxl *state = fe->demodulator_priv;
514 	struct dtv_frontend_properties *p = &fe->dtv_property_cache;
515 	u32 reg[8];
516 
517 	mutex_lock(&state->base->status_lock);
518 	HYDRA_DEMOD_STATUS_LOCK(state, state->demod);
519 	read_register_block(state,
520 		(HYDRA_DMD_DVBS_1ST_CORR_RS_ERRORS_ADDR_OFFSET +
521 		 HYDRA_DMD_STATUS_OFFSET(state->demod)),
522 		(4 * sizeof(u32)),
523 		(u8 *) &reg[0]);
524 	HYDRA_DEMOD_STATUS_UNLOCK(state, state->demod);
525 
526 	switch (p->delivery_system) {
527 	case SYS_DSS:
528 	case SYS_DVBS:
529 		p->pre_bit_error.stat[0].scale = FE_SCALE_COUNTER;
530 		p->pre_bit_error.stat[0].uvalue = reg[2];
531 		p->pre_bit_count.stat[0].scale = FE_SCALE_COUNTER;
532 		p->pre_bit_count.stat[0].uvalue = reg[3];
533 		break;
534 	default:
535 		break;
536 	}
537 
538 	read_register_block(state,
539 		(HYDRA_DMD_DVBS2_CRC_ERRORS_ADDR_OFFSET +
540 		 HYDRA_DMD_STATUS_OFFSET(state->demod)),
541 		(7 * sizeof(u32)),
542 		(u8 *) &reg[0]);
543 
544 	switch (p->delivery_system) {
545 	case SYS_DSS:
546 	case SYS_DVBS:
547 		p->post_bit_error.stat[0].scale = FE_SCALE_COUNTER;
548 		p->post_bit_error.stat[0].uvalue = reg[5];
549 		p->post_bit_count.stat[0].scale = FE_SCALE_COUNTER;
550 		p->post_bit_count.stat[0].uvalue = reg[6];
551 		break;
552 	case SYS_DVBS2:
553 		p->post_bit_error.stat[0].scale = FE_SCALE_COUNTER;
554 		p->post_bit_error.stat[0].uvalue = reg[1];
555 		p->post_bit_count.stat[0].scale = FE_SCALE_COUNTER;
556 		p->post_bit_count.stat[0].uvalue = reg[2];
557 		break;
558 	default:
559 		break;
560 	}
561 
562 	mutex_unlock(&state->base->status_lock);
563 
564 	return 0;
565 }
566 
567 static int read_signal_strength(struct dvb_frontend *fe)
568 {
569 	struct mxl *state = fe->demodulator_priv;
570 	struct dtv_frontend_properties *p = &fe->dtv_property_cache;
571 	int stat;
572 	u32 reg_data = 0;
573 
574 	mutex_lock(&state->base->status_lock);
575 	HYDRA_DEMOD_STATUS_LOCK(state, state->demod);
576 	stat = read_register(state, (HYDRA_DMD_STATUS_INPUT_POWER_ADDR +
577 				     HYDRA_DMD_STATUS_OFFSET(state->demod)),
578 			     &reg_data);
579 	HYDRA_DEMOD_STATUS_UNLOCK(state, state->demod);
580 	mutex_unlock(&state->base->status_lock);
581 
582 	p->strength.stat[0].scale = FE_SCALE_DECIBEL;
583 	p->strength.stat[0].svalue = (s16) reg_data * 10; /* fix scale */
584 
585 	return stat;
586 }
587 
588 static int read_status(struct dvb_frontend *fe, enum fe_status *status)
589 {
590 	struct mxl *state = fe->demodulator_priv;
591 	struct dtv_frontend_properties *p = &fe->dtv_property_cache;
592 	u32 reg_data = 0;
593 
594 	mutex_lock(&state->base->status_lock);
595 	HYDRA_DEMOD_STATUS_LOCK(state, state->demod);
596 	read_register(state, (HYDRA_DMD_LOCK_STATUS_ADDR_OFFSET +
597 			     HYDRA_DMD_STATUS_OFFSET(state->demod)),
598 			     &reg_data);
599 	HYDRA_DEMOD_STATUS_UNLOCK(state, state->demod);
600 	mutex_unlock(&state->base->status_lock);
601 
602 	*status = (reg_data == 1) ? 0x1f : 0;
603 
604 	/* signal statistics */
605 
606 	/* signal strength is always available */
607 	read_signal_strength(fe);
608 
609 	if (*status & FE_HAS_CARRIER)
610 		read_snr(fe);
611 	else
612 		p->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
613 
614 	if (*status & FE_HAS_SYNC)
615 		read_ber(fe);
616 	else {
617 		p->pre_bit_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
618 		p->pre_bit_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
619 		p->post_bit_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
620 		p->post_bit_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
621 	}
622 
623 	return 0;
624 }
625 
626 static int tune(struct dvb_frontend *fe, bool re_tune,
627 		unsigned int mode_flags,
628 		unsigned int *delay, enum fe_status *status)
629 {
630 	struct mxl *state = fe->demodulator_priv;
631 	int r = 0;
632 
633 	*delay = HZ / 2;
634 	if (re_tune) {
635 		r = set_parameters(fe);
636 		if (r)
637 			return r;
638 		state->tune_time = jiffies;
639 		return 0;
640 	}
641 	if (*status & FE_HAS_LOCK)
642 		return 0;
643 
644 	r = read_status(fe, status);
645 	if (r)
646 		return r;
647 
648 	return 0;
649 }
650 
651 static enum fe_code_rate conv_fec(enum MXL_HYDRA_FEC_E fec)
652 {
653 	enum fe_code_rate fec2fec[11] = {
654 		FEC_NONE, FEC_1_2, FEC_3_5, FEC_2_3,
655 		FEC_3_4, FEC_4_5, FEC_5_6, FEC_6_7,
656 		FEC_7_8, FEC_8_9, FEC_9_10
657 	};
658 
659 	if (fec > MXL_HYDRA_FEC_9_10)
660 		return FEC_NONE;
661 	return fec2fec[fec];
662 }
663 
664 static int get_frontend(struct dvb_frontend *fe,
665 			struct dtv_frontend_properties *p)
666 {
667 	struct mxl *state = fe->demodulator_priv;
668 	u32 reg_data[MXL_DEMOD_CHAN_PARAMS_BUFF_SIZE];
669 	u32 freq;
670 
671 	mutex_lock(&state->base->status_lock);
672 	HYDRA_DEMOD_STATUS_LOCK(state, state->demod);
673 	read_register_block(state,
674 		(HYDRA_DMD_STANDARD_ADDR_OFFSET +
675 		HYDRA_DMD_STATUS_OFFSET(state->demod)),
676 		(MXL_DEMOD_CHAN_PARAMS_BUFF_SIZE * 4), /* 25 * 4 bytes */
677 		(u8 *) &reg_data[0]);
678 	/* read demod channel parameters */
679 	read_register_block(state,
680 		(HYDRA_DMD_STATUS_CENTER_FREQ_IN_KHZ_ADDR +
681 		HYDRA_DMD_STATUS_OFFSET(state->demod)),
682 		(4), /* 4 bytes */
683 		(u8 *) &freq);
684 	HYDRA_DEMOD_STATUS_UNLOCK(state, state->demod);
685 	mutex_unlock(&state->base->status_lock);
686 
687 	dev_dbg(state->i2cdev, "freq=%u delsys=%u srate=%u\n",
688 		freq * 1000, reg_data[DMD_STANDARD_ADDR],
689 		reg_data[DMD_SYMBOL_RATE_ADDR]);
690 	p->symbol_rate = reg_data[DMD_SYMBOL_RATE_ADDR];
691 	p->frequency = freq;
692 	/*
693 	 * p->delivery_system =
694 	 *	(MXL_HYDRA_BCAST_STD_E) regData[DMD_STANDARD_ADDR];
695 	 * p->inversion =
696 	 *	(MXL_HYDRA_SPECTRUM_E) regData[DMD_SPECTRUM_INVERSION_ADDR];
697 	 * freqSearchRangeKHz =
698 	 *	(regData[DMD_FREQ_SEARCH_RANGE_IN_KHZ_ADDR]);
699 	 */
700 
701 	p->fec_inner = conv_fec(reg_data[DMD_FEC_CODE_RATE_ADDR]);
702 	switch (p->delivery_system) {
703 	case SYS_DSS:
704 		break;
705 	case SYS_DVBS2:
706 		switch ((enum MXL_HYDRA_PILOTS_E)
707 			reg_data[DMD_DVBS2_PILOT_ON_OFF_ADDR]) {
708 		case MXL_HYDRA_PILOTS_OFF:
709 			p->pilot = PILOT_OFF;
710 			break;
711 		case MXL_HYDRA_PILOTS_ON:
712 			p->pilot = PILOT_ON;
713 			break;
714 		default:
715 			break;
716 		}
717 	case SYS_DVBS:
718 		switch ((enum MXL_HYDRA_MODULATION_E)
719 			reg_data[DMD_MODULATION_SCHEME_ADDR]) {
720 		case MXL_HYDRA_MOD_QPSK:
721 			p->modulation = QPSK;
722 			break;
723 		case MXL_HYDRA_MOD_8PSK:
724 			p->modulation = PSK_8;
725 			break;
726 		default:
727 			break;
728 		}
729 		switch ((enum MXL_HYDRA_ROLLOFF_E)
730 			reg_data[DMD_SPECTRUM_ROLL_OFF_ADDR]) {
731 		case MXL_HYDRA_ROLLOFF_0_20:
732 			p->rolloff = ROLLOFF_20;
733 			break;
734 		case MXL_HYDRA_ROLLOFF_0_35:
735 			p->rolloff = ROLLOFF_35;
736 			break;
737 		case MXL_HYDRA_ROLLOFF_0_25:
738 			p->rolloff = ROLLOFF_25;
739 			break;
740 		default:
741 			break;
742 		}
743 		break;
744 	default:
745 		return -EINVAL;
746 	}
747 	return 0;
748 }
749 
750 static int set_input(struct dvb_frontend *fe, int input)
751 {
752 	struct mxl *state = fe->demodulator_priv;
753 
754 	state->tuner = input;
755 	return 0;
756 }
757 
758 static struct dvb_frontend_ops mxl_ops = {
759 	.delsys = { SYS_DVBS, SYS_DVBS2, SYS_DSS },
760 	.info = {
761 		.name			= "MaxLinear MxL5xx DVB-S/S2 tuner-demodulator",
762 		.frequency_min		= 300000,
763 		.frequency_max		= 2350000,
764 		.frequency_stepsize	= 0,
765 		.frequency_tolerance	= 0,
766 		.symbol_rate_min	= 1000000,
767 		.symbol_rate_max	= 45000000,
768 		.caps			= FE_CAN_INVERSION_AUTO |
769 					  FE_CAN_FEC_AUTO       |
770 					  FE_CAN_QPSK           |
771 					  FE_CAN_2G_MODULATION
772 	},
773 	.init				= init,
774 	.release                        = release,
775 	.get_frontend_algo              = get_algo,
776 	.tune                           = tune,
777 	.read_status			= read_status,
778 	.sleep				= sleep,
779 	.get_frontend                   = get_frontend,
780 	.diseqc_send_master_cmd		= send_master_cmd,
781 };
782 
783 static struct mxl_base *match_base(struct i2c_adapter  *i2c, u8 adr)
784 {
785 	struct mxl_base *p;
786 
787 	list_for_each_entry(p, &mxllist, mxllist)
788 		if (p->i2c == i2c && p->adr == adr)
789 			return p;
790 	return NULL;
791 }
792 
793 static void cfg_dev_xtal(struct mxl *state, u32 freq, u32 cap, u32 enable)
794 {
795 	if (state->base->can_clkout || !enable)
796 		update_by_mnemonic(state, 0x90200054, 23, 1, enable);
797 
798 	if (freq == 24000000)
799 		write_register(state, HYDRA_CRYSTAL_SETTING, 0);
800 	else
801 		write_register(state, HYDRA_CRYSTAL_SETTING, 1);
802 
803 	write_register(state, HYDRA_CRYSTAL_CAP, cap);
804 }
805 
806 static u32 get_big_endian(u8 num_of_bits, const u8 buf[])
807 {
808 	u32 ret_value = 0;
809 
810 	switch (num_of_bits) {
811 	case 24:
812 		ret_value = (((u32) buf[0]) << 16) |
813 			(((u32) buf[1]) << 8) | buf[2];
814 		break;
815 	case 32:
816 		ret_value = (((u32) buf[0]) << 24) |
817 			(((u32) buf[1]) << 16) |
818 			(((u32) buf[2]) << 8) | buf[3];
819 		break;
820 	default:
821 		break;
822 	}
823 
824 	return ret_value;
825 }
826 
827 static int write_fw_segment(struct mxl *state,
828 			    u32 mem_addr, u32 total_size, u8 *data_ptr)
829 {
830 	int status;
831 	u32 data_count = 0;
832 	u32 size = 0;
833 	u32 orig_size = 0;
834 	u8 *w_buf_ptr = NULL;
835 	u32 block_size = ((MXL_HYDRA_OEM_MAX_BLOCK_WRITE_LENGTH -
836 			 (MXL_HYDRA_I2C_HDR_SIZE +
837 			  MXL_HYDRA_REG_SIZE_IN_BYTES)) / 4) * 4;
838 	u8 w_msg_buffer[MXL_HYDRA_OEM_MAX_BLOCK_WRITE_LENGTH -
839 		      (MXL_HYDRA_I2C_HDR_SIZE + MXL_HYDRA_REG_SIZE_IN_BYTES)];
840 
841 	do {
842 		size = orig_size = (((u32)(data_count + block_size)) > total_size) ?
843 			(total_size - data_count) : block_size;
844 
845 		if (orig_size & 3)
846 			size = (orig_size + 4) & ~3;
847 		w_buf_ptr = &w_msg_buffer[0];
848 		memset((void *) w_buf_ptr, 0, size);
849 		memcpy((void *) w_buf_ptr, (void *) data_ptr, orig_size);
850 		convert_endian(1, size, w_buf_ptr);
851 		status  = write_firmware_block(state, mem_addr, size, w_buf_ptr);
852 		if (status)
853 			return status;
854 		data_count += size;
855 		mem_addr   += size;
856 		data_ptr   += size;
857 	} while (data_count < total_size);
858 
859 	return status;
860 }
861 
862 static int do_firmware_download(struct mxl *state, u8 *mbin_buffer_ptr,
863 				u32 mbin_buffer_size)
864 
865 {
866 	int status;
867 	u32 index = 0;
868 	u32 seg_length = 0;
869 	u32 seg_address = 0;
870 	struct MBIN_FILE_T *mbin_ptr  = (struct MBIN_FILE_T *)mbin_buffer_ptr;
871 	struct MBIN_SEGMENT_T *segment_ptr;
872 	enum MXL_BOOL_E xcpu_fw_flag = MXL_FALSE;
873 
874 	if (mbin_ptr->header.id != MBIN_FILE_HEADER_ID) {
875 		dev_err(state->i2cdev, "%s: Invalid file header ID (%c)\n",
876 		       __func__, mbin_ptr->header.id);
877 		return -EINVAL;
878 	}
879 	status = write_register(state, FW_DL_SIGN_ADDR, 0);
880 	if (status)
881 		return status;
882 	segment_ptr = (struct MBIN_SEGMENT_T *) (&mbin_ptr->data[0]);
883 	for (index = 0; index < mbin_ptr->header.num_segments; index++) {
884 		if (segment_ptr->header.id != MBIN_SEGMENT_HEADER_ID) {
885 			dev_err(state->i2cdev, "%s: Invalid segment header ID (%c)\n",
886 			       __func__, segment_ptr->header.id);
887 			return -EINVAL;
888 		}
889 		seg_length  = get_big_endian(24,
890 					    &(segment_ptr->header.len24[0]));
891 		seg_address = get_big_endian(32,
892 					    &(segment_ptr->header.address[0]));
893 
894 		if (state->base->type == MXL_HYDRA_DEVICE_568) {
895 			if ((((seg_address & 0x90760000) == 0x90760000) ||
896 			     ((seg_address & 0x90740000) == 0x90740000)) &&
897 			    (xcpu_fw_flag == MXL_FALSE)) {
898 				update_by_mnemonic(state, 0x8003003C, 0, 1, 1);
899 				msleep(200);
900 				write_register(state, 0x90720000, 0);
901 				usleep_range(10000, 11000);
902 				xcpu_fw_flag = MXL_TRUE;
903 			}
904 			status = write_fw_segment(state, seg_address,
905 						  seg_length,
906 						  (u8 *) segment_ptr->data);
907 		} else {
908 			if (((seg_address & 0x90760000) != 0x90760000) &&
909 			    ((seg_address & 0x90740000) != 0x90740000))
910 				status = write_fw_segment(state, seg_address,
911 					seg_length, (u8 *) segment_ptr->data);
912 		}
913 		if (status)
914 			return status;
915 		segment_ptr = (struct MBIN_SEGMENT_T *)
916 			&(segment_ptr->data[((seg_length + 3) / 4) * 4]);
917 	}
918 	return status;
919 }
920 
921 static int check_fw(struct mxl *state, u8 *mbin, u32 mbin_len)
922 {
923 	struct MBIN_FILE_HEADER_T *fh = (struct MBIN_FILE_HEADER_T *) mbin;
924 	u32 flen = (fh->image_size24[0] << 16) |
925 		(fh->image_size24[1] <<  8) | fh->image_size24[2];
926 	u8 *fw, cs = 0;
927 	u32 i;
928 
929 	if (fh->id != 'M' || fh->fmt_version != '1' || flen > 0x3FFF0) {
930 		dev_info(state->i2cdev, "Invalid FW Header\n");
931 		return -1;
932 	}
933 	fw = mbin + sizeof(struct MBIN_FILE_HEADER_T);
934 	for (i = 0; i < flen; i += 1)
935 		cs += fw[i];
936 	if (cs != fh->image_checksum) {
937 		dev_info(state->i2cdev, "Invalid FW Checksum\n");
938 		return -1;
939 	}
940 	return 0;
941 }
942 
943 static int firmware_download(struct mxl *state, u8 *mbin, u32 mbin_len)
944 {
945 	int status;
946 	u32 reg_data = 0;
947 	struct MXL_HYDRA_SKU_COMMAND_T dev_sku_cfg;
948 	u8 cmd_size = sizeof(struct MXL_HYDRA_SKU_COMMAND_T);
949 	u8 cmd_buff[sizeof(struct MXL_HYDRA_SKU_COMMAND_T) + 6];
950 
951 	if (check_fw(state, mbin, mbin_len))
952 		return -1;
953 
954 	/* put CPU into reset */
955 	status = update_by_mnemonic(state, 0x8003003C, 0, 1, 0);
956 	if (status)
957 		return status;
958 	usleep_range(1000, 2000);
959 
960 	/* Reset TX FIFO's, BBAND, XBAR */
961 	status = write_register(state, HYDRA_RESET_TRANSPORT_FIFO_REG,
962 				HYDRA_RESET_TRANSPORT_FIFO_DATA);
963 	if (status)
964 		return status;
965 	status = write_register(state, HYDRA_RESET_BBAND_REG,
966 				HYDRA_RESET_BBAND_DATA);
967 	if (status)
968 		return status;
969 	status = write_register(state, HYDRA_RESET_XBAR_REG,
970 				HYDRA_RESET_XBAR_DATA);
971 	if (status)
972 		return status;
973 
974 	/* Disable clock to Baseband, Wideband, SerDes,
975 	 * Alias ext & Transport modules
976 	 */
977 	status = write_register(state, HYDRA_MODULES_CLK_2_REG,
978 				HYDRA_DISABLE_CLK_2);
979 	if (status)
980 		return status;
981 	/* Clear Software & Host interrupt status - (Clear on read) */
982 	status = read_register(state, HYDRA_PRCM_ROOT_CLK_REG, &reg_data);
983 	if (status)
984 		return status;
985 	status = do_firmware_download(state, mbin, mbin_len);
986 	if (status)
987 		return status;
988 
989 	if (state->base->type == MXL_HYDRA_DEVICE_568) {
990 		usleep_range(10000, 11000);
991 
992 		/* bring XCPU out of reset */
993 		status = write_register(state, 0x90720000, 1);
994 		if (status)
995 			return status;
996 		msleep(500);
997 
998 		/* Enable XCPU UART message processing in MCPU */
999 		status = write_register(state, 0x9076B510, 1);
1000 		if (status)
1001 			return status;
1002 	} else {
1003 		/* Bring CPU out of reset */
1004 		status = update_by_mnemonic(state, 0x8003003C, 0, 1, 1);
1005 		if (status)
1006 			return status;
1007 		/* Wait until FW boots */
1008 		msleep(150);
1009 	}
1010 
1011 	/* Initialize XPT XBAR */
1012 	status = write_register(state, XPT_DMD0_BASEADDR, 0x76543210);
1013 	if (status)
1014 		return status;
1015 
1016 	if (!firmware_is_alive(state))
1017 		return -1;
1018 
1019 	dev_info(state->i2cdev, "Hydra FW alive. Hail!\n");
1020 
1021 	/* sometimes register values are wrong shortly
1022 	 * after first heart beats
1023 	 */
1024 	msleep(50);
1025 
1026 	dev_sku_cfg.sku_type = state->base->sku_type;
1027 	BUILD_HYDRA_CMD(MXL_HYDRA_DEV_CFG_SKU_CMD, MXL_CMD_WRITE,
1028 			cmd_size, &dev_sku_cfg, cmd_buff);
1029 	status = send_command(state, cmd_size + MXL_HYDRA_CMD_HEADER_SIZE,
1030 			      &cmd_buff[0]);
1031 
1032 	return status;
1033 }
1034 
1035 static int cfg_ts_pad_mux(struct mxl *state, enum MXL_BOOL_E enable_serial_ts)
1036 {
1037 	int status = 0;
1038 	u32 pad_mux_value = 0;
1039 
1040 	if (enable_serial_ts == MXL_TRUE) {
1041 		pad_mux_value = 0;
1042 		if ((state->base->type == MXL_HYDRA_DEVICE_541) ||
1043 		    (state->base->type == MXL_HYDRA_DEVICE_541S))
1044 			pad_mux_value = 2;
1045 	} else {
1046 		if ((state->base->type == MXL_HYDRA_DEVICE_581) ||
1047 		    (state->base->type == MXL_HYDRA_DEVICE_581S))
1048 			pad_mux_value = 2;
1049 		else
1050 			pad_mux_value = 3;
1051 	}
1052 
1053 	switch (state->base->type) {
1054 	case MXL_HYDRA_DEVICE_561:
1055 	case MXL_HYDRA_DEVICE_581:
1056 	case MXL_HYDRA_DEVICE_541:
1057 	case MXL_HYDRA_DEVICE_541S:
1058 	case MXL_HYDRA_DEVICE_561S:
1059 	case MXL_HYDRA_DEVICE_581S:
1060 		status |= update_by_mnemonic(state, 0x90000170, 24, 3,
1061 					     pad_mux_value);
1062 		status |= update_by_mnemonic(state, 0x90000170, 28, 3,
1063 					     pad_mux_value);
1064 		status |= update_by_mnemonic(state, 0x90000174, 0, 3,
1065 					     pad_mux_value);
1066 		status |= update_by_mnemonic(state, 0x90000174, 4, 3,
1067 					     pad_mux_value);
1068 		status |= update_by_mnemonic(state, 0x90000174, 8, 3,
1069 					     pad_mux_value);
1070 		status |= update_by_mnemonic(state, 0x90000174, 12, 3,
1071 					     pad_mux_value);
1072 		status |= update_by_mnemonic(state, 0x90000174, 16, 3,
1073 					     pad_mux_value);
1074 		status |= update_by_mnemonic(state, 0x90000174, 20, 3,
1075 					     pad_mux_value);
1076 		status |= update_by_mnemonic(state, 0x90000174, 24, 3,
1077 					     pad_mux_value);
1078 		status |= update_by_mnemonic(state, 0x90000174, 28, 3,
1079 					     pad_mux_value);
1080 		status |= update_by_mnemonic(state, 0x90000178, 0, 3,
1081 					     pad_mux_value);
1082 		status |= update_by_mnemonic(state, 0x90000178, 4, 3,
1083 					     pad_mux_value);
1084 		status |= update_by_mnemonic(state, 0x90000178, 8, 3,
1085 					     pad_mux_value);
1086 		break;
1087 
1088 	case MXL_HYDRA_DEVICE_544:
1089 	case MXL_HYDRA_DEVICE_542:
1090 		status |= update_by_mnemonic(state, 0x9000016C, 4, 3, 1);
1091 		status |= update_by_mnemonic(state, 0x9000016C, 8, 3, 0);
1092 		status |= update_by_mnemonic(state, 0x9000016C, 12, 3, 0);
1093 		status |= update_by_mnemonic(state, 0x9000016C, 16, 3, 0);
1094 		status |= update_by_mnemonic(state, 0x90000170, 0, 3, 0);
1095 		status |= update_by_mnemonic(state, 0x90000178, 12, 3, 1);
1096 		status |= update_by_mnemonic(state, 0x90000178, 16, 3, 1);
1097 		status |= update_by_mnemonic(state, 0x90000178, 20, 3, 1);
1098 		status |= update_by_mnemonic(state, 0x90000178, 24, 3, 1);
1099 		status |= update_by_mnemonic(state, 0x9000017C, 0, 3, 1);
1100 		status |= update_by_mnemonic(state, 0x9000017C, 4, 3, 1);
1101 		if (enable_serial_ts == MXL_ENABLE) {
1102 			status |= update_by_mnemonic(state,
1103 				0x90000170, 4, 3, 0);
1104 			status |= update_by_mnemonic(state,
1105 				0x90000170, 8, 3, 0);
1106 			status |= update_by_mnemonic(state,
1107 				0x90000170, 12, 3, 0);
1108 			status |= update_by_mnemonic(state,
1109 				0x90000170, 16, 3, 0);
1110 			status |= update_by_mnemonic(state,
1111 				0x90000170, 20, 3, 1);
1112 			status |= update_by_mnemonic(state,
1113 				0x90000170, 24, 3, 1);
1114 			status |= update_by_mnemonic(state,
1115 				0x90000170, 28, 3, 2);
1116 			status |= update_by_mnemonic(state,
1117 				0x90000174, 0, 3, 2);
1118 			status |= update_by_mnemonic(state,
1119 				0x90000174, 4, 3, 2);
1120 			status |= update_by_mnemonic(state,
1121 				0x90000174, 8, 3, 2);
1122 			status |= update_by_mnemonic(state,
1123 				0x90000174, 12, 3, 2);
1124 			status |= update_by_mnemonic(state,
1125 				0x90000174, 16, 3, 2);
1126 			status |= update_by_mnemonic(state,
1127 				0x90000174, 20, 3, 2);
1128 			status |= update_by_mnemonic(state,
1129 				0x90000174, 24, 3, 2);
1130 			status |= update_by_mnemonic(state,
1131 				0x90000174, 28, 3, 2);
1132 			status |= update_by_mnemonic(state,
1133 				0x90000178, 0, 3, 2);
1134 			status |= update_by_mnemonic(state,
1135 				0x90000178, 4, 3, 2);
1136 			status |= update_by_mnemonic(state,
1137 				0x90000178, 8, 3, 2);
1138 		} else {
1139 			status |= update_by_mnemonic(state,
1140 				0x90000170, 4, 3, 3);
1141 			status |= update_by_mnemonic(state,
1142 				0x90000170, 8, 3, 3);
1143 			status |= update_by_mnemonic(state,
1144 				0x90000170, 12, 3, 3);
1145 			status |= update_by_mnemonic(state,
1146 				0x90000170, 16, 3, 3);
1147 			status |= update_by_mnemonic(state,
1148 				0x90000170, 20, 3, 3);
1149 			status |= update_by_mnemonic(state,
1150 				0x90000170, 24, 3, 3);
1151 			status |= update_by_mnemonic(state,
1152 				0x90000170, 28, 3, 3);
1153 			status |= update_by_mnemonic(state,
1154 				0x90000174, 0, 3, 3);
1155 			status |= update_by_mnemonic(state,
1156 				0x90000174, 4, 3, 3);
1157 			status |= update_by_mnemonic(state,
1158 				0x90000174, 8, 3, 3);
1159 			status |= update_by_mnemonic(state,
1160 				0x90000174, 12, 3, 3);
1161 			status |= update_by_mnemonic(state,
1162 				0x90000174, 16, 3, 3);
1163 			status |= update_by_mnemonic(state,
1164 				0x90000174, 20, 3, 1);
1165 			status |= update_by_mnemonic(state,
1166 				0x90000174, 24, 3, 1);
1167 			status |= update_by_mnemonic(state,
1168 				0x90000174, 28, 3, 1);
1169 			status |= update_by_mnemonic(state,
1170 				0x90000178, 0, 3, 1);
1171 			status |= update_by_mnemonic(state,
1172 				0x90000178, 4, 3, 1);
1173 			status |= update_by_mnemonic(state,
1174 				0x90000178, 8, 3, 1);
1175 		}
1176 		break;
1177 
1178 	case MXL_HYDRA_DEVICE_568:
1179 		if (enable_serial_ts == MXL_FALSE) {
1180 			status |= update_by_mnemonic(state,
1181 				0x9000016C, 8, 3, 5);
1182 			status |= update_by_mnemonic(state,
1183 				0x9000016C, 12, 3, 5);
1184 			status |= update_by_mnemonic(state,
1185 				0x9000016C, 16, 3, 5);
1186 			status |= update_by_mnemonic(state,
1187 				0x9000016C, 20, 3, 5);
1188 			status |= update_by_mnemonic(state,
1189 				0x9000016C, 24, 3, 5);
1190 			status |= update_by_mnemonic(state,
1191 				0x9000016C, 28, 3, 5);
1192 			status |= update_by_mnemonic(state,
1193 				0x90000170, 0, 3, 5);
1194 			status |= update_by_mnemonic(state,
1195 				0x90000170, 4, 3, 5);
1196 			status |= update_by_mnemonic(state,
1197 				0x90000170, 8, 3, 5);
1198 			status |= update_by_mnemonic(state,
1199 				0x90000170, 12, 3, 5);
1200 			status |= update_by_mnemonic(state,
1201 				0x90000170, 16, 3, 5);
1202 			status |= update_by_mnemonic(state,
1203 				0x90000170, 20, 3, 5);
1204 
1205 			status |= update_by_mnemonic(state,
1206 				0x90000170, 24, 3, pad_mux_value);
1207 			status |= update_by_mnemonic(state,
1208 				0x90000174, 0, 3, pad_mux_value);
1209 			status |= update_by_mnemonic(state,
1210 				0x90000174, 4, 3, pad_mux_value);
1211 			status |= update_by_mnemonic(state,
1212 				0x90000174, 8, 3, pad_mux_value);
1213 			status |= update_by_mnemonic(state,
1214 				0x90000174, 12, 3, pad_mux_value);
1215 			status |= update_by_mnemonic(state,
1216 				0x90000174, 16, 3, pad_mux_value);
1217 			status |= update_by_mnemonic(state,
1218 				0x90000174, 20, 3, pad_mux_value);
1219 			status |= update_by_mnemonic(state,
1220 				0x90000174, 24, 3, pad_mux_value);
1221 			status |= update_by_mnemonic(state,
1222 				0x90000174, 28, 3, pad_mux_value);
1223 			status |= update_by_mnemonic(state,
1224 				0x90000178, 0, 3, pad_mux_value);
1225 			status |= update_by_mnemonic(state,
1226 				0x90000178, 4, 3, pad_mux_value);
1227 
1228 			status |= update_by_mnemonic(state,
1229 				0x90000178, 8, 3, 5);
1230 			status |= update_by_mnemonic(state,
1231 				0x90000178, 12, 3, 5);
1232 			status |= update_by_mnemonic(state,
1233 				0x90000178, 16, 3, 5);
1234 			status |= update_by_mnemonic(state,
1235 				0x90000178, 20, 3, 5);
1236 			status |= update_by_mnemonic(state,
1237 				0x90000178, 24, 3, 5);
1238 			status |= update_by_mnemonic(state,
1239 				0x90000178, 28, 3, 5);
1240 			status |= update_by_mnemonic(state,
1241 				0x9000017C, 0, 3, 5);
1242 			status |= update_by_mnemonic(state,
1243 				0x9000017C, 4, 3, 5);
1244 		} else {
1245 			status |= update_by_mnemonic(state,
1246 				0x90000170, 4, 3, pad_mux_value);
1247 			status |= update_by_mnemonic(state,
1248 				0x90000170, 8, 3, pad_mux_value);
1249 			status |= update_by_mnemonic(state,
1250 				0x90000170, 12, 3, pad_mux_value);
1251 			status |= update_by_mnemonic(state,
1252 				0x90000170, 16, 3, pad_mux_value);
1253 			status |= update_by_mnemonic(state,
1254 				0x90000170, 20, 3, pad_mux_value);
1255 			status |= update_by_mnemonic(state,
1256 				0x90000170, 24, 3, pad_mux_value);
1257 			status |= update_by_mnemonic(state,
1258 				0x90000170, 28, 3, pad_mux_value);
1259 			status |= update_by_mnemonic(state,
1260 				0x90000174, 0, 3, pad_mux_value);
1261 			status |= update_by_mnemonic(state,
1262 				0x90000174, 4, 3, pad_mux_value);
1263 			status |= update_by_mnemonic(state,
1264 				0x90000174, 8, 3, pad_mux_value);
1265 			status |= update_by_mnemonic(state,
1266 				0x90000174, 12, 3, pad_mux_value);
1267 		}
1268 		break;
1269 
1270 
1271 	case MXL_HYDRA_DEVICE_584:
1272 	default:
1273 		status |= update_by_mnemonic(state,
1274 			0x90000170, 4, 3, pad_mux_value);
1275 		status |= update_by_mnemonic(state,
1276 			0x90000170, 8, 3, pad_mux_value);
1277 		status |= update_by_mnemonic(state,
1278 			0x90000170, 12, 3, pad_mux_value);
1279 		status |= update_by_mnemonic(state,
1280 			0x90000170, 16, 3, pad_mux_value);
1281 		status |= update_by_mnemonic(state,
1282 			0x90000170, 20, 3, pad_mux_value);
1283 		status |= update_by_mnemonic(state,
1284 			0x90000170, 24, 3, pad_mux_value);
1285 		status |= update_by_mnemonic(state,
1286 			0x90000170, 28, 3, pad_mux_value);
1287 		status |= update_by_mnemonic(state,
1288 			0x90000174, 0, 3, pad_mux_value);
1289 		status |= update_by_mnemonic(state,
1290 			0x90000174, 4, 3, pad_mux_value);
1291 		status |= update_by_mnemonic(state,
1292 			0x90000174, 8, 3, pad_mux_value);
1293 		status |= update_by_mnemonic(state,
1294 			0x90000174, 12, 3, pad_mux_value);
1295 		break;
1296 	}
1297 	return status;
1298 }
1299 
1300 static int set_drive_strength(struct mxl *state,
1301 		enum MXL_HYDRA_TS_DRIVE_STRENGTH_E ts_drive_strength)
1302 {
1303 	int stat = 0;
1304 	u32 val;
1305 
1306 	read_register(state, 0x90000194, &val);
1307 	dev_info(state->i2cdev, "DIGIO = %08x\n", val);
1308 	dev_info(state->i2cdev, "set drive_strength = %u\n", ts_drive_strength);
1309 
1310 
1311 	stat |= update_by_mnemonic(state, 0x90000194, 0, 3, ts_drive_strength);
1312 	stat |= update_by_mnemonic(state, 0x90000194, 20, 3, ts_drive_strength);
1313 	stat |= update_by_mnemonic(state, 0x90000194, 24, 3, ts_drive_strength);
1314 	stat |= update_by_mnemonic(state, 0x90000198, 12, 3, ts_drive_strength);
1315 	stat |= update_by_mnemonic(state, 0x90000198, 16, 3, ts_drive_strength);
1316 	stat |= update_by_mnemonic(state, 0x90000198, 20, 3, ts_drive_strength);
1317 	stat |= update_by_mnemonic(state, 0x90000198, 24, 3, ts_drive_strength);
1318 	stat |= update_by_mnemonic(state, 0x9000019C, 0, 3, ts_drive_strength);
1319 	stat |= update_by_mnemonic(state, 0x9000019C, 4, 3, ts_drive_strength);
1320 	stat |= update_by_mnemonic(state, 0x9000019C, 8, 3, ts_drive_strength);
1321 	stat |= update_by_mnemonic(state, 0x9000019C, 24, 3, ts_drive_strength);
1322 	stat |= update_by_mnemonic(state, 0x9000019C, 28, 3, ts_drive_strength);
1323 	stat |= update_by_mnemonic(state, 0x900001A0, 0, 3, ts_drive_strength);
1324 	stat |= update_by_mnemonic(state, 0x900001A0, 4, 3, ts_drive_strength);
1325 	stat |= update_by_mnemonic(state, 0x900001A0, 20, 3, ts_drive_strength);
1326 	stat |= update_by_mnemonic(state, 0x900001A0, 24, 3, ts_drive_strength);
1327 	stat |= update_by_mnemonic(state, 0x900001A0, 28, 3, ts_drive_strength);
1328 
1329 	return stat;
1330 }
1331 
1332 static int enable_tuner(struct mxl *state, u32 tuner, u32 enable)
1333 {
1334 	int stat = 0;
1335 	struct MXL_HYDRA_TUNER_CMD ctrl_tuner_cmd;
1336 	u8 cmd_size = sizeof(ctrl_tuner_cmd);
1337 	u8 cmd_buff[MXL_HYDRA_OEM_MAX_CMD_BUFF_LEN];
1338 	u32 val, count = 10;
1339 
1340 	ctrl_tuner_cmd.tuner_id = tuner;
1341 	ctrl_tuner_cmd.enable = enable;
1342 	BUILD_HYDRA_CMD(MXL_HYDRA_TUNER_ACTIVATE_CMD, MXL_CMD_WRITE,
1343 			cmd_size, &ctrl_tuner_cmd, cmd_buff);
1344 	stat = send_command(state, cmd_size + MXL_HYDRA_CMD_HEADER_SIZE,
1345 			    &cmd_buff[0]);
1346 	if (stat)
1347 		return stat;
1348 	read_register(state, HYDRA_TUNER_ENABLE_COMPLETE, &val);
1349 	while (--count && ((val >> tuner) & 1) != enable) {
1350 		msleep(20);
1351 		read_register(state, HYDRA_TUNER_ENABLE_COMPLETE, &val);
1352 	}
1353 	if (!count)
1354 		return -1;
1355 	read_register(state, HYDRA_TUNER_ENABLE_COMPLETE, &val);
1356 	dev_dbg(state->i2cdev, "tuner %u ready = %u\n",
1357 		tuner, (val >> tuner) & 1);
1358 
1359 	return 0;
1360 }
1361 
1362 
1363 static int config_ts(struct mxl *state, enum MXL_HYDRA_DEMOD_ID_E demod_id,
1364 		     struct MXL_HYDRA_MPEGOUT_PARAM_T *mpeg_out_param_ptr)
1365 {
1366 	int status = 0;
1367 	u32 nco_count_min = 0;
1368 	u32 clk_type = 0;
1369 
1370 	struct MXL_REG_FIELD_T xpt_sync_polarity[MXL_HYDRA_DEMOD_MAX] = {
1371 		{0x90700010, 8, 1}, {0x90700010, 9, 1},
1372 		{0x90700010, 10, 1}, {0x90700010, 11, 1},
1373 		{0x90700010, 12, 1}, {0x90700010, 13, 1},
1374 		{0x90700010, 14, 1}, {0x90700010, 15, 1} };
1375 	struct MXL_REG_FIELD_T xpt_clock_polarity[MXL_HYDRA_DEMOD_MAX] = {
1376 		{0x90700010, 16, 1}, {0x90700010, 17, 1},
1377 		{0x90700010, 18, 1}, {0x90700010, 19, 1},
1378 		{0x90700010, 20, 1}, {0x90700010, 21, 1},
1379 		{0x90700010, 22, 1}, {0x90700010, 23, 1} };
1380 	struct MXL_REG_FIELD_T xpt_valid_polarity[MXL_HYDRA_DEMOD_MAX] = {
1381 		{0x90700014, 0, 1}, {0x90700014, 1, 1},
1382 		{0x90700014, 2, 1}, {0x90700014, 3, 1},
1383 		{0x90700014, 4, 1}, {0x90700014, 5, 1},
1384 		{0x90700014, 6, 1}, {0x90700014, 7, 1} };
1385 	struct MXL_REG_FIELD_T xpt_ts_clock_phase[MXL_HYDRA_DEMOD_MAX] = {
1386 		{0x90700018, 0, 3}, {0x90700018, 4, 3},
1387 		{0x90700018, 8, 3}, {0x90700018, 12, 3},
1388 		{0x90700018, 16, 3}, {0x90700018, 20, 3},
1389 		{0x90700018, 24, 3}, {0x90700018, 28, 3} };
1390 	struct MXL_REG_FIELD_T xpt_lsb_first[MXL_HYDRA_DEMOD_MAX] = {
1391 		{0x9070000C, 16, 1}, {0x9070000C, 17, 1},
1392 		{0x9070000C, 18, 1}, {0x9070000C, 19, 1},
1393 		{0x9070000C, 20, 1}, {0x9070000C, 21, 1},
1394 		{0x9070000C, 22, 1}, {0x9070000C, 23, 1} };
1395 	struct MXL_REG_FIELD_T xpt_sync_byte[MXL_HYDRA_DEMOD_MAX] = {
1396 		{0x90700010, 0, 1}, {0x90700010, 1, 1},
1397 		{0x90700010, 2, 1}, {0x90700010, 3, 1},
1398 		{0x90700010, 4, 1}, {0x90700010, 5, 1},
1399 		{0x90700010, 6, 1}, {0x90700010, 7, 1} };
1400 	struct MXL_REG_FIELD_T xpt_enable_output[MXL_HYDRA_DEMOD_MAX] = {
1401 		{0x9070000C, 0, 1}, {0x9070000C, 1, 1},
1402 		{0x9070000C, 2, 1}, {0x9070000C, 3, 1},
1403 		{0x9070000C, 4, 1}, {0x9070000C, 5, 1},
1404 		{0x9070000C, 6, 1}, {0x9070000C, 7, 1} };
1405 	struct MXL_REG_FIELD_T xpt_err_replace_sync[MXL_HYDRA_DEMOD_MAX] = {
1406 		{0x9070000C, 24, 1}, {0x9070000C, 25, 1},
1407 		{0x9070000C, 26, 1}, {0x9070000C, 27, 1},
1408 		{0x9070000C, 28, 1}, {0x9070000C, 29, 1},
1409 		{0x9070000C, 30, 1}, {0x9070000C, 31, 1} };
1410 	struct MXL_REG_FIELD_T xpt_err_replace_valid[MXL_HYDRA_DEMOD_MAX] = {
1411 		{0x90700014, 8, 1}, {0x90700014, 9, 1},
1412 		{0x90700014, 10, 1}, {0x90700014, 11, 1},
1413 		{0x90700014, 12, 1}, {0x90700014, 13, 1},
1414 		{0x90700014, 14, 1}, {0x90700014, 15, 1} };
1415 	struct MXL_REG_FIELD_T xpt_continuous_clock[MXL_HYDRA_DEMOD_MAX] = {
1416 		{0x907001D4, 0, 1}, {0x907001D4, 1, 1},
1417 		{0x907001D4, 2, 1}, {0x907001D4, 3, 1},
1418 		{0x907001D4, 4, 1}, {0x907001D4, 5, 1},
1419 		{0x907001D4, 6, 1}, {0x907001D4, 7, 1} };
1420 	struct MXL_REG_FIELD_T xpt_nco_clock_rate[MXL_HYDRA_DEMOD_MAX] = {
1421 		{0x90700044, 16, 80}, {0x90700044, 16, 81},
1422 		{0x90700044, 16, 82}, {0x90700044, 16, 83},
1423 		{0x90700044, 16, 84}, {0x90700044, 16, 85},
1424 		{0x90700044, 16, 86}, {0x90700044, 16, 87} };
1425 
1426 	demod_id = state->base->ts_map[demod_id];
1427 
1428 	if (mpeg_out_param_ptr->enable == MXL_ENABLE) {
1429 		if (mpeg_out_param_ptr->mpeg_mode ==
1430 		    MXL_HYDRA_MPEG_MODE_PARALLEL) {
1431 		} else {
1432 			cfg_ts_pad_mux(state, MXL_TRUE);
1433 			update_by_mnemonic(state,
1434 				0x90700010, 27, 1, MXL_FALSE);
1435 		}
1436 	}
1437 
1438 	nco_count_min =
1439 		(u32)(MXL_HYDRA_NCO_CLK / mpeg_out_param_ptr->max_mpeg_clk_rate);
1440 
1441 	if (state->base->chipversion >= 2) {
1442 		status |= update_by_mnemonic(state,
1443 			xpt_nco_clock_rate[demod_id].reg_addr, /* Reg Addr */
1444 			xpt_nco_clock_rate[demod_id].lsb_pos, /* LSB pos */
1445 			xpt_nco_clock_rate[demod_id].num_of_bits, /* Num of bits */
1446 			nco_count_min); /* Data */
1447 	} else
1448 		update_by_mnemonic(state, 0x90700044, 16, 8, nco_count_min);
1449 
1450 	if (mpeg_out_param_ptr->mpeg_clk_type == MXL_HYDRA_MPEG_CLK_CONTINUOUS)
1451 		clk_type = 1;
1452 
1453 	if (mpeg_out_param_ptr->mpeg_mode < MXL_HYDRA_MPEG_MODE_PARALLEL) {
1454 		status |= update_by_mnemonic(state,
1455 			xpt_continuous_clock[demod_id].reg_addr,
1456 			xpt_continuous_clock[demod_id].lsb_pos,
1457 			xpt_continuous_clock[demod_id].num_of_bits,
1458 			clk_type);
1459 	} else
1460 		update_by_mnemonic(state, 0x907001D4, 8, 1, clk_type);
1461 
1462 	status |= update_by_mnemonic(state,
1463 		xpt_sync_polarity[demod_id].reg_addr,
1464 		xpt_sync_polarity[demod_id].lsb_pos,
1465 		xpt_sync_polarity[demod_id].num_of_bits,
1466 		mpeg_out_param_ptr->mpeg_sync_pol);
1467 
1468 	status |= update_by_mnemonic(state,
1469 		xpt_valid_polarity[demod_id].reg_addr,
1470 		xpt_valid_polarity[demod_id].lsb_pos,
1471 		xpt_valid_polarity[demod_id].num_of_bits,
1472 		mpeg_out_param_ptr->mpeg_valid_pol);
1473 
1474 	status |= update_by_mnemonic(state,
1475 		xpt_clock_polarity[demod_id].reg_addr,
1476 		xpt_clock_polarity[demod_id].lsb_pos,
1477 		xpt_clock_polarity[demod_id].num_of_bits,
1478 		mpeg_out_param_ptr->mpeg_clk_pol);
1479 
1480 	status |= update_by_mnemonic(state,
1481 		xpt_sync_byte[demod_id].reg_addr,
1482 		xpt_sync_byte[demod_id].lsb_pos,
1483 		xpt_sync_byte[demod_id].num_of_bits,
1484 		mpeg_out_param_ptr->mpeg_sync_pulse_width);
1485 
1486 	status |= update_by_mnemonic(state,
1487 		xpt_ts_clock_phase[demod_id].reg_addr,
1488 		xpt_ts_clock_phase[demod_id].lsb_pos,
1489 		xpt_ts_clock_phase[demod_id].num_of_bits,
1490 		mpeg_out_param_ptr->mpeg_clk_phase);
1491 
1492 	status |= update_by_mnemonic(state,
1493 		xpt_lsb_first[demod_id].reg_addr,
1494 		xpt_lsb_first[demod_id].lsb_pos,
1495 		xpt_lsb_first[demod_id].num_of_bits,
1496 		mpeg_out_param_ptr->lsb_or_msb_first);
1497 
1498 	switch (mpeg_out_param_ptr->mpeg_error_indication) {
1499 	case MXL_HYDRA_MPEG_ERR_REPLACE_SYNC:
1500 		status |= update_by_mnemonic(state,
1501 			xpt_err_replace_sync[demod_id].reg_addr,
1502 			xpt_err_replace_sync[demod_id].lsb_pos,
1503 			xpt_err_replace_sync[demod_id].num_of_bits,
1504 			MXL_TRUE);
1505 		status |= update_by_mnemonic(state,
1506 			xpt_err_replace_valid[demod_id].reg_addr,
1507 			xpt_err_replace_valid[demod_id].lsb_pos,
1508 			xpt_err_replace_valid[demod_id].num_of_bits,
1509 			MXL_FALSE);
1510 		break;
1511 
1512 	case MXL_HYDRA_MPEG_ERR_REPLACE_VALID:
1513 		status |= update_by_mnemonic(state,
1514 			xpt_err_replace_sync[demod_id].reg_addr,
1515 			xpt_err_replace_sync[demod_id].lsb_pos,
1516 			xpt_err_replace_sync[demod_id].num_of_bits,
1517 			MXL_FALSE);
1518 
1519 		status |= update_by_mnemonic(state,
1520 			xpt_err_replace_valid[demod_id].reg_addr,
1521 			xpt_err_replace_valid[demod_id].lsb_pos,
1522 			xpt_err_replace_valid[demod_id].num_of_bits,
1523 			MXL_TRUE);
1524 		break;
1525 
1526 	case MXL_HYDRA_MPEG_ERR_INDICATION_DISABLED:
1527 	default:
1528 		status |= update_by_mnemonic(state,
1529 			xpt_err_replace_sync[demod_id].reg_addr,
1530 			xpt_err_replace_sync[demod_id].lsb_pos,
1531 			xpt_err_replace_sync[demod_id].num_of_bits,
1532 			MXL_FALSE);
1533 
1534 		status |= update_by_mnemonic(state,
1535 			xpt_err_replace_valid[demod_id].reg_addr,
1536 			xpt_err_replace_valid[demod_id].lsb_pos,
1537 			xpt_err_replace_valid[demod_id].num_of_bits,
1538 			MXL_FALSE);
1539 
1540 		break;
1541 
1542 	}
1543 
1544 	if (mpeg_out_param_ptr->mpeg_mode != MXL_HYDRA_MPEG_MODE_PARALLEL) {
1545 		status |= update_by_mnemonic(state,
1546 			xpt_enable_output[demod_id].reg_addr,
1547 			xpt_enable_output[demod_id].lsb_pos,
1548 			xpt_enable_output[demod_id].num_of_bits,
1549 			mpeg_out_param_ptr->enable);
1550 	}
1551 	return status;
1552 }
1553 
1554 static int config_mux(struct mxl *state)
1555 {
1556 	update_by_mnemonic(state, 0x9070000C, 0, 1, 0);
1557 	update_by_mnemonic(state, 0x9070000C, 1, 1, 0);
1558 	update_by_mnemonic(state, 0x9070000C, 2, 1, 0);
1559 	update_by_mnemonic(state, 0x9070000C, 3, 1, 0);
1560 	update_by_mnemonic(state, 0x9070000C, 4, 1, 0);
1561 	update_by_mnemonic(state, 0x9070000C, 5, 1, 0);
1562 	update_by_mnemonic(state, 0x9070000C, 6, 1, 0);
1563 	update_by_mnemonic(state, 0x9070000C, 7, 1, 0);
1564 	update_by_mnemonic(state, 0x90700008, 0, 2, 1);
1565 	update_by_mnemonic(state, 0x90700008, 2, 2, 1);
1566 	return 0;
1567 }
1568 
1569 static int load_fw(struct mxl *state, struct mxl5xx_cfg *cfg)
1570 {
1571 	int stat = 0;
1572 	u8 *buf;
1573 
1574 	if (cfg->fw)
1575 		return firmware_download(state, cfg->fw, cfg->fw_len);
1576 
1577 	if (!cfg->fw_read)
1578 		return -1;
1579 
1580 	buf = vmalloc(0x40000);
1581 	if (!buf)
1582 		return -ENOMEM;
1583 
1584 	cfg->fw_read(cfg->fw_priv, buf, 0x40000);
1585 	stat = firmware_download(state, buf, 0x40000);
1586 	vfree(buf);
1587 
1588 	return stat;
1589 }
1590 
1591 static int validate_sku(struct mxl *state)
1592 {
1593 	u32 pad_mux_bond = 0, prcm_chip_id = 0, prcm_so_cid = 0;
1594 	int status;
1595 	u32 type = state->base->type;
1596 
1597 	status = read_by_mnemonic(state, 0x90000190, 0, 3, &pad_mux_bond);
1598 	status |= read_by_mnemonic(state, 0x80030000, 0, 12, &prcm_chip_id);
1599 	status |= read_by_mnemonic(state, 0x80030004, 24, 8, &prcm_so_cid);
1600 	if (status)
1601 		return -1;
1602 
1603 	dev_info(state->i2cdev, "padMuxBond=%08x, prcmChipId=%08x, prcmSoCId=%08x\n",
1604 		pad_mux_bond, prcm_chip_id, prcm_so_cid);
1605 
1606 	if (prcm_chip_id != 0x560) {
1607 		switch (pad_mux_bond) {
1608 		case MXL_HYDRA_SKU_ID_581:
1609 			if (type == MXL_HYDRA_DEVICE_581)
1610 				return 0;
1611 			if (type == MXL_HYDRA_DEVICE_581S) {
1612 				state->base->type = MXL_HYDRA_DEVICE_581;
1613 				return 0;
1614 			}
1615 			break;
1616 		case MXL_HYDRA_SKU_ID_584:
1617 			if (type == MXL_HYDRA_DEVICE_584)
1618 				return 0;
1619 			break;
1620 		case MXL_HYDRA_SKU_ID_544:
1621 			if (type == MXL_HYDRA_DEVICE_544)
1622 				return 0;
1623 			if (type == MXL_HYDRA_DEVICE_542)
1624 				return 0;
1625 			break;
1626 		case MXL_HYDRA_SKU_ID_582:
1627 			if (type == MXL_HYDRA_DEVICE_582)
1628 				return 0;
1629 			break;
1630 		default:
1631 			return -1;
1632 		}
1633 	} else {
1634 
1635 	}
1636 	return -1;
1637 }
1638 
1639 static int get_fwinfo(struct mxl *state)
1640 {
1641 	int status;
1642 	u32 val = 0;
1643 
1644 	status = read_by_mnemonic(state, 0x90000190, 0, 3, &val);
1645 	if (status)
1646 		return status;
1647 	dev_info(state->i2cdev, "chipID=%08x\n", val);
1648 
1649 	status = read_by_mnemonic(state, 0x80030004, 8, 8, &val);
1650 	if (status)
1651 		return status;
1652 	dev_info(state->i2cdev, "chipVer=%08x\n", val);
1653 
1654 	status = read_register(state, HYDRA_FIRMWARE_VERSION, &val);
1655 	if (status)
1656 		return status;
1657 	dev_info(state->i2cdev, "FWVer=%08x\n", val);
1658 
1659 	state->base->fwversion = val;
1660 	return status;
1661 }
1662 
1663 
1664 static u8 ts_map1_to_1[MXL_HYDRA_DEMOD_MAX] = {
1665 	MXL_HYDRA_DEMOD_ID_0,
1666 	MXL_HYDRA_DEMOD_ID_1,
1667 	MXL_HYDRA_DEMOD_ID_2,
1668 	MXL_HYDRA_DEMOD_ID_3,
1669 	MXL_HYDRA_DEMOD_ID_4,
1670 	MXL_HYDRA_DEMOD_ID_5,
1671 	MXL_HYDRA_DEMOD_ID_6,
1672 	MXL_HYDRA_DEMOD_ID_7,
1673 };
1674 
1675 static u8 ts_map54x[MXL_HYDRA_DEMOD_MAX] = {
1676 	MXL_HYDRA_DEMOD_ID_2,
1677 	MXL_HYDRA_DEMOD_ID_3,
1678 	MXL_HYDRA_DEMOD_ID_4,
1679 	MXL_HYDRA_DEMOD_ID_5,
1680 	MXL_HYDRA_DEMOD_MAX,
1681 	MXL_HYDRA_DEMOD_MAX,
1682 	MXL_HYDRA_DEMOD_MAX,
1683 	MXL_HYDRA_DEMOD_MAX,
1684 };
1685 
1686 static int probe(struct mxl *state, struct mxl5xx_cfg *cfg)
1687 {
1688 	u32 chipver;
1689 	int fw, status, j;
1690 	struct MXL_HYDRA_MPEGOUT_PARAM_T mpeg_interface_cfg;
1691 
1692 	state->base->ts_map = ts_map1_to_1;
1693 
1694 	switch (state->base->type) {
1695 	case MXL_HYDRA_DEVICE_581:
1696 	case MXL_HYDRA_DEVICE_581S:
1697 		state->base->can_clkout = 1;
1698 		state->base->demod_num = 8;
1699 		state->base->tuner_num = 1;
1700 		state->base->sku_type = MXL_HYDRA_SKU_TYPE_581;
1701 		break;
1702 	case MXL_HYDRA_DEVICE_582:
1703 		state->base->can_clkout = 1;
1704 		state->base->demod_num = 8;
1705 		state->base->tuner_num = 3;
1706 		state->base->sku_type = MXL_HYDRA_SKU_TYPE_582;
1707 		break;
1708 	case MXL_HYDRA_DEVICE_585:
1709 		state->base->can_clkout = 0;
1710 		state->base->demod_num = 8;
1711 		state->base->tuner_num = 4;
1712 		state->base->sku_type = MXL_HYDRA_SKU_TYPE_585;
1713 		break;
1714 	case MXL_HYDRA_DEVICE_544:
1715 		state->base->can_clkout = 0;
1716 		state->base->demod_num = 4;
1717 		state->base->tuner_num = 4;
1718 		state->base->sku_type = MXL_HYDRA_SKU_TYPE_544;
1719 		state->base->ts_map = ts_map54x;
1720 		break;
1721 	case MXL_HYDRA_DEVICE_541:
1722 	case MXL_HYDRA_DEVICE_541S:
1723 		state->base->can_clkout = 0;
1724 		state->base->demod_num = 4;
1725 		state->base->tuner_num = 1;
1726 		state->base->sku_type = MXL_HYDRA_SKU_TYPE_541;
1727 		state->base->ts_map = ts_map54x;
1728 		break;
1729 	case MXL_HYDRA_DEVICE_561:
1730 	case MXL_HYDRA_DEVICE_561S:
1731 		state->base->can_clkout = 0;
1732 		state->base->demod_num = 6;
1733 		state->base->tuner_num = 1;
1734 		state->base->sku_type = MXL_HYDRA_SKU_TYPE_561;
1735 		break;
1736 	case MXL_HYDRA_DEVICE_568:
1737 		state->base->can_clkout = 0;
1738 		state->base->demod_num = 8;
1739 		state->base->tuner_num = 1;
1740 		state->base->chan_bond = 1;
1741 		state->base->sku_type = MXL_HYDRA_SKU_TYPE_568;
1742 		break;
1743 	case MXL_HYDRA_DEVICE_542:
1744 		state->base->can_clkout = 1;
1745 		state->base->demod_num = 4;
1746 		state->base->tuner_num = 3;
1747 		state->base->sku_type = MXL_HYDRA_SKU_TYPE_542;
1748 		state->base->ts_map = ts_map54x;
1749 		break;
1750 	case MXL_HYDRA_DEVICE_TEST:
1751 	case MXL_HYDRA_DEVICE_584:
1752 	default:
1753 		state->base->can_clkout = 0;
1754 		state->base->demod_num = 8;
1755 		state->base->tuner_num = 4;
1756 		state->base->sku_type = MXL_HYDRA_SKU_TYPE_584;
1757 		break;
1758 	}
1759 
1760 	status = validate_sku(state);
1761 	if (status)
1762 		return status;
1763 
1764 	update_by_mnemonic(state, 0x80030014, 9, 1, 1);
1765 	update_by_mnemonic(state, 0x8003003C, 12, 1, 1);
1766 	status = read_by_mnemonic(state, 0x80030000, 12, 4, &chipver);
1767 	if (status)
1768 		state->base->chipversion = 0;
1769 	else
1770 		state->base->chipversion = (chipver == 2) ? 2 : 1;
1771 	dev_info(state->i2cdev, "Hydra chip version %u\n",
1772 		state->base->chipversion);
1773 
1774 	cfg_dev_xtal(state, cfg->clk, cfg->cap, 0);
1775 
1776 	fw = firmware_is_alive(state);
1777 	if (!fw) {
1778 		status = load_fw(state, cfg);
1779 		if (status)
1780 			return status;
1781 	}
1782 	get_fwinfo(state);
1783 
1784 	config_mux(state);
1785 	mpeg_interface_cfg.enable = MXL_ENABLE;
1786 	mpeg_interface_cfg.lsb_or_msb_first = MXL_HYDRA_MPEG_SERIAL_MSB_1ST;
1787 	/*  supports only (0-104&139)MHz */
1788 	if (cfg->ts_clk)
1789 		mpeg_interface_cfg.max_mpeg_clk_rate = cfg->ts_clk;
1790 	else
1791 		mpeg_interface_cfg.max_mpeg_clk_rate = 69; /* 139; */
1792 	mpeg_interface_cfg.mpeg_clk_phase = MXL_HYDRA_MPEG_CLK_PHASE_SHIFT_0_DEG;
1793 	mpeg_interface_cfg.mpeg_clk_pol = MXL_HYDRA_MPEG_CLK_IN_PHASE;
1794 	/* MXL_HYDRA_MPEG_CLK_GAPPED; */
1795 	mpeg_interface_cfg.mpeg_clk_type = MXL_HYDRA_MPEG_CLK_CONTINUOUS;
1796 	mpeg_interface_cfg.mpeg_error_indication =
1797 		MXL_HYDRA_MPEG_ERR_INDICATION_DISABLED;
1798 	mpeg_interface_cfg.mpeg_mode = MXL_HYDRA_MPEG_MODE_SERIAL_3_WIRE;
1799 	mpeg_interface_cfg.mpeg_sync_pol  = MXL_HYDRA_MPEG_ACTIVE_HIGH;
1800 	mpeg_interface_cfg.mpeg_sync_pulse_width  = MXL_HYDRA_MPEG_SYNC_WIDTH_BIT;
1801 	mpeg_interface_cfg.mpeg_valid_pol  = MXL_HYDRA_MPEG_ACTIVE_HIGH;
1802 
1803 	for (j = 0; j < state->base->demod_num; j++) {
1804 		status = config_ts(state, (enum MXL_HYDRA_DEMOD_ID_E) j,
1805 				   &mpeg_interface_cfg);
1806 		if (status)
1807 			return status;
1808 	}
1809 	set_drive_strength(state, 1);
1810 	return 0;
1811 }
1812 
1813 struct dvb_frontend *mxl5xx_attach(struct i2c_adapter *i2c,
1814 	struct mxl5xx_cfg *cfg, u32 demod, u32 tuner,
1815 	int (**fn_set_input)(struct dvb_frontend *, int))
1816 {
1817 	struct mxl *state;
1818 	struct mxl_base *base;
1819 
1820 	state = kzalloc(sizeof(struct mxl), GFP_KERNEL);
1821 	if (!state)
1822 		return NULL;
1823 
1824 	state->demod = demod;
1825 	state->tuner = tuner;
1826 	state->tuner_in_use = 0xffffffff;
1827 	state->i2cdev = &i2c->dev;
1828 
1829 	base = match_base(i2c, cfg->adr);
1830 	if (base) {
1831 		base->count++;
1832 		if (base->count > base->demod_num)
1833 			goto fail;
1834 		state->base = base;
1835 	} else {
1836 		base = kzalloc(sizeof(struct mxl_base), GFP_KERNEL);
1837 		if (!base)
1838 			goto fail;
1839 		base->i2c = i2c;
1840 		base->adr = cfg->adr;
1841 		base->type = cfg->type;
1842 		base->count = 1;
1843 		mutex_init(&base->i2c_lock);
1844 		mutex_init(&base->status_lock);
1845 		mutex_init(&base->tune_lock);
1846 		INIT_LIST_HEAD(&base->mxls);
1847 
1848 		state->base = base;
1849 		if (probe(state, cfg) < 0) {
1850 			kfree(base);
1851 			goto fail;
1852 		}
1853 		list_add(&base->mxllist, &mxllist);
1854 	}
1855 	state->fe.ops               = mxl_ops;
1856 	state->xbar[0]              = 4;
1857 	state->xbar[1]              = demod;
1858 	state->xbar[2]              = 8;
1859 	state->fe.demodulator_priv  = state;
1860 	*fn_set_input               = set_input;
1861 
1862 	list_add(&state->mxl, &base->mxls);
1863 	return &state->fe;
1864 
1865 fail:
1866 	kfree(state);
1867 	return NULL;
1868 }
1869 EXPORT_SYMBOL_GPL(mxl5xx_attach);
1870 
1871 MODULE_DESCRIPTION("MaxLinear MxL5xx DVB-S/S2 tuner-demodulator driver");
1872 MODULE_AUTHOR("Ralph and Marcus Metzler, Metzler Brothers Systementwicklung GbR");
1873 MODULE_LICENSE("GPL");
1874