GNU Linux-libre 5.10.153-gnu1
[releases.git] / drivers / media / dvb-frontends / mxl5xx.c
1 // SPDX-License-Identifier: GPL-2.0
2 /*
3  * Driver for the MaxLinear MxL5xx family of tuners/demods
4  *
5  * Copyright (C) 2014-2015 Ralph Metzler <rjkm@metzlerbros.de>
6  *                         Marcus Metzler <mocm@metzlerbros.de>
7  *                         developed for Digital Devices GmbH
8  *
9  * based on code:
10  * Copyright (c) 2011-2013 MaxLinear, Inc. All rights reserved
11  * which was released under GPL V2
12  *
13  * This program is free software; you can redistribute it and/or
14  * modify it under the terms of the GNU General Public License
15  * version 2, as published by the Free Software Foundation.
16  *
17  * This program is distributed in the hope that it will be useful,
18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
20  * GNU General Public License for more details.
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/mutex.h>
31 #include <linux/vmalloc.h>
32 #include <asm/div64.h>
33 #include <asm/unaligned.h>
34
35 #include <media/dvb_frontend.h>
36 #include "mxl5xx.h"
37 #include "mxl5xx_regs.h"
38 #include "mxl5xx_defs.h"
39
40 #define BYTE0(v) ((v >>  0) & 0xff)
41 #define BYTE1(v) ((v >>  8) & 0xff)
42 #define BYTE2(v) ((v >> 16) & 0xff)
43 #define BYTE3(v) ((v >> 24) & 0xff)
44
45 static LIST_HEAD(mxllist);
46
47 struct mxl_base {
48         struct list_head     mxllist;
49         struct list_head     mxls;
50
51         u8                   adr;
52         struct i2c_adapter  *i2c;
53
54         u32                  count;
55         u32                  type;
56         u32                  sku_type;
57         u32                  chipversion;
58         u32                  clock;
59         u32                  fwversion;
60
61         u8                  *ts_map;
62         u8                   can_clkout;
63         u8                   chan_bond;
64         u8                   demod_num;
65         u8                   tuner_num;
66
67         unsigned long        next_tune;
68
69         struct mutex         i2c_lock;
70         struct mutex         status_lock;
71         struct mutex         tune_lock;
72
73         u8                   buf[MXL_HYDRA_OEM_MAX_CMD_BUFF_LEN];
74
75         u32                  cmd_size;
76         u8                   cmd_data[MAX_CMD_DATA];
77 };
78
79 struct mxl {
80         struct list_head     mxl;
81
82         struct mxl_base     *base;
83         struct dvb_frontend  fe;
84         struct device       *i2cdev;
85         u32                  demod;
86         u32                  tuner;
87         u32                  tuner_in_use;
88         u8                   xbar[3];
89
90         unsigned long        tune_time;
91 };
92
93 static void convert_endian(u8 flag, u32 size, u8 *d)
94 {
95         u32 i;
96
97         if (!flag)
98                 return;
99         for (i = 0; i < (size & ~3); i += 4) {
100                 d[i + 0] ^= d[i + 3];
101                 d[i + 3] ^= d[i + 0];
102                 d[i + 0] ^= d[i + 3];
103
104                 d[i + 1] ^= d[i + 2];
105                 d[i + 2] ^= d[i + 1];
106                 d[i + 1] ^= d[i + 2];
107         }
108
109         switch (size & 3) {
110         case 0:
111         case 1:
112                 /* do nothing */
113                 break;
114         case 2:
115                 d[i + 0] ^= d[i + 1];
116                 d[i + 1] ^= d[i + 0];
117                 d[i + 0] ^= d[i + 1];
118                 break;
119
120         case 3:
121                 d[i + 0] ^= d[i + 2];
122                 d[i + 2] ^= d[i + 0];
123                 d[i + 0] ^= d[i + 2];
124                 break;
125         }
126
127 }
128
129 static int i2c_write(struct i2c_adapter *adap, u8 adr,
130                             u8 *data, u32 len)
131 {
132         struct i2c_msg msg = {.addr = adr, .flags = 0,
133                               .buf = data, .len = len};
134
135         return (i2c_transfer(adap, &msg, 1) == 1) ? 0 : -1;
136 }
137
138 static int i2c_read(struct i2c_adapter *adap, u8 adr,
139                            u8 *data, u32 len)
140 {
141         struct i2c_msg msg = {.addr = adr, .flags = I2C_M_RD,
142                               .buf = data, .len = len};
143
144         return (i2c_transfer(adap, &msg, 1) == 1) ? 0 : -1;
145 }
146
147 static int i2cread(struct mxl *state, u8 *data, int len)
148 {
149         return i2c_read(state->base->i2c, state->base->adr, data, len);
150 }
151
152 static int i2cwrite(struct mxl *state, u8 *data, int len)
153 {
154         return i2c_write(state->base->i2c, state->base->adr, data, len);
155 }
156
157 static int read_register_unlocked(struct mxl *state, u32 reg, u32 *val)
158 {
159         int stat;
160         u8 data[MXL_HYDRA_REG_SIZE_IN_BYTES + MXL_HYDRA_I2C_HDR_SIZE] = {
161                 MXL_HYDRA_PLID_REG_READ, 0x04,
162                 GET_BYTE(reg, 0), GET_BYTE(reg, 1),
163                 GET_BYTE(reg, 2), GET_BYTE(reg, 3),
164         };
165
166         stat = i2cwrite(state, data,
167                         MXL_HYDRA_REG_SIZE_IN_BYTES + MXL_HYDRA_I2C_HDR_SIZE);
168         if (stat)
169                 dev_err(state->i2cdev, "i2c read error 1\n");
170         if (!stat)
171                 stat = i2cread(state, (u8 *) val,
172                                MXL_HYDRA_REG_SIZE_IN_BYTES);
173         le32_to_cpus(val);
174         if (stat)
175                 dev_err(state->i2cdev, "i2c read error 2\n");
176         return stat;
177 }
178
179 #define DMA_I2C_INTERRUPT_ADDR 0x8000011C
180 #define DMA_INTR_PROT_WR_CMP 0x08
181
182 static int send_command(struct mxl *state, u32 size, u8 *buf)
183 {
184         int stat;
185         u32 val, count = 10;
186
187         mutex_lock(&state->base->i2c_lock);
188         if (state->base->fwversion > 0x02010109)  {
189                 read_register_unlocked(state, DMA_I2C_INTERRUPT_ADDR, &val);
190                 if (DMA_INTR_PROT_WR_CMP & val)
191                         dev_info(state->i2cdev, "%s busy\n", __func__);
192                 while ((DMA_INTR_PROT_WR_CMP & val) && --count) {
193                         mutex_unlock(&state->base->i2c_lock);
194                         usleep_range(1000, 2000);
195                         mutex_lock(&state->base->i2c_lock);
196                         read_register_unlocked(state, DMA_I2C_INTERRUPT_ADDR,
197                                                &val);
198                 }
199                 if (!count) {
200                         dev_info(state->i2cdev, "%s busy\n", __func__);
201                         mutex_unlock(&state->base->i2c_lock);
202                         return -EBUSY;
203                 }
204         }
205         stat = i2cwrite(state, buf, size);
206         mutex_unlock(&state->base->i2c_lock);
207         return stat;
208 }
209
210 static int write_register(struct mxl *state, u32 reg, u32 val)
211 {
212         int stat;
213         u8 data[MXL_HYDRA_REG_WRITE_LEN] = {
214                 MXL_HYDRA_PLID_REG_WRITE, 0x08,
215                 BYTE0(reg), BYTE1(reg), BYTE2(reg), BYTE3(reg),
216                 BYTE0(val), BYTE1(val), BYTE2(val), BYTE3(val),
217         };
218         mutex_lock(&state->base->i2c_lock);
219         stat = i2cwrite(state, data, sizeof(data));
220         mutex_unlock(&state->base->i2c_lock);
221         if (stat)
222                 dev_err(state->i2cdev, "i2c write error\n");
223         return stat;
224 }
225
226 static int write_firmware_block(struct mxl *state,
227                                 u32 reg, u32 size, u8 *reg_data_ptr)
228 {
229         int stat;
230         u8 *buf = state->base->buf;
231
232         mutex_lock(&state->base->i2c_lock);
233         buf[0] = MXL_HYDRA_PLID_REG_WRITE;
234         buf[1] = size + 4;
235         buf[2] = GET_BYTE(reg, 0);
236         buf[3] = GET_BYTE(reg, 1);
237         buf[4] = GET_BYTE(reg, 2);
238         buf[5] = GET_BYTE(reg, 3);
239         memcpy(&buf[6], reg_data_ptr, size);
240         stat = i2cwrite(state, buf,
241                         MXL_HYDRA_I2C_HDR_SIZE +
242                         MXL_HYDRA_REG_SIZE_IN_BYTES + size);
243         mutex_unlock(&state->base->i2c_lock);
244         if (stat)
245                 dev_err(state->i2cdev, "fw block write failed\n");
246         return stat;
247 }
248
249 static int read_register(struct mxl *state, u32 reg, u32 *val)
250 {
251         int stat;
252         u8 data[MXL_HYDRA_REG_SIZE_IN_BYTES + MXL_HYDRA_I2C_HDR_SIZE] = {
253                 MXL_HYDRA_PLID_REG_READ, 0x04,
254                 GET_BYTE(reg, 0), GET_BYTE(reg, 1),
255                 GET_BYTE(reg, 2), GET_BYTE(reg, 3),
256         };
257
258         mutex_lock(&state->base->i2c_lock);
259         stat = i2cwrite(state, data,
260                         MXL_HYDRA_REG_SIZE_IN_BYTES + MXL_HYDRA_I2C_HDR_SIZE);
261         if (stat)
262                 dev_err(state->i2cdev, "i2c read error 1\n");
263         if (!stat)
264                 stat = i2cread(state, (u8 *) val,
265                                MXL_HYDRA_REG_SIZE_IN_BYTES);
266         mutex_unlock(&state->base->i2c_lock);
267         le32_to_cpus(val);
268         if (stat)
269                 dev_err(state->i2cdev, "i2c read error 2\n");
270         return stat;
271 }
272
273 static int read_register_block(struct mxl *state, u32 reg, u32 size, u8 *data)
274 {
275         int stat;
276         u8 *buf = state->base->buf;
277
278         mutex_lock(&state->base->i2c_lock);
279
280         buf[0] = MXL_HYDRA_PLID_REG_READ;
281         buf[1] = size + 4;
282         buf[2] = GET_BYTE(reg, 0);
283         buf[3] = GET_BYTE(reg, 1);
284         buf[4] = GET_BYTE(reg, 2);
285         buf[5] = GET_BYTE(reg, 3);
286         stat = i2cwrite(state, buf,
287                         MXL_HYDRA_I2C_HDR_SIZE + MXL_HYDRA_REG_SIZE_IN_BYTES);
288         if (!stat) {
289                 stat = i2cread(state, data, size);
290                 convert_endian(MXL_ENABLE_BIG_ENDIAN, size, data);
291         }
292         mutex_unlock(&state->base->i2c_lock);
293         return stat;
294 }
295
296 static int read_by_mnemonic(struct mxl *state,
297                             u32 reg, u8 lsbloc, u8 numofbits, u32 *val)
298 {
299         u32 data = 0, mask = 0;
300         int stat;
301
302         stat = read_register(state, reg, &data);
303         if (stat)
304                 return stat;
305         mask = MXL_GET_REG_MASK_32(lsbloc, numofbits);
306         data &= mask;
307         data >>= lsbloc;
308         *val = data;
309         return 0;
310 }
311
312
313 static int update_by_mnemonic(struct mxl *state,
314                               u32 reg, u8 lsbloc, u8 numofbits, u32 val)
315 {
316         u32 data, mask;
317         int stat;
318
319         stat = read_register(state, reg, &data);
320         if (stat)
321                 return stat;
322         mask = MXL_GET_REG_MASK_32(lsbloc, numofbits);
323         data = (data & ~mask) | ((val << lsbloc) & mask);
324         stat = write_register(state, reg, data);
325         return stat;
326 }
327
328 static int firmware_is_alive(struct mxl *state)
329 {
330         u32 hb0, hb1;
331
332         if (read_register(state, HYDRA_HEAR_BEAT, &hb0))
333                 return 0;
334         msleep(20);
335         if (read_register(state, HYDRA_HEAR_BEAT, &hb1))
336                 return 0;
337         if (hb1 == hb0)
338                 return 0;
339         return 1;
340 }
341
342 static int init(struct dvb_frontend *fe)
343 {
344         struct dtv_frontend_properties *p = &fe->dtv_property_cache;
345
346         /* init fe stats */
347         p->strength.len = 1;
348         p->strength.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
349         p->cnr.len = 1;
350         p->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
351         p->pre_bit_error.len = 1;
352         p->pre_bit_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
353         p->pre_bit_count.len = 1;
354         p->pre_bit_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
355         p->post_bit_error.len = 1;
356         p->post_bit_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
357         p->post_bit_count.len = 1;
358         p->post_bit_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
359
360         return 0;
361 }
362
363 static void release(struct dvb_frontend *fe)
364 {
365         struct mxl *state = fe->demodulator_priv;
366
367         list_del(&state->mxl);
368         /* Release one frontend, two more shall take its place! */
369         state->base->count--;
370         if (state->base->count == 0) {
371                 list_del(&state->base->mxllist);
372                 kfree(state->base);
373         }
374         kfree(state);
375 }
376
377 static enum dvbfe_algo get_algo(struct dvb_frontend *fe)
378 {
379         return DVBFE_ALGO_HW;
380 }
381
382 static u32 gold2root(u32 gold)
383 {
384         u32 x, g, tmp = gold;
385
386         if (tmp >= 0x3ffff)
387                 tmp = 0;
388         for (g = 0, x = 1; g < tmp; g++)
389                 x = (((x ^ (x >> 7)) & 1) << 17) | (x >> 1);
390         return x;
391 }
392
393 static int cfg_scrambler(struct mxl *state, u32 gold)
394 {
395         u32 root;
396         u8 buf[26] = {
397                 MXL_HYDRA_PLID_CMD_WRITE, 24,
398                 0, MXL_HYDRA_DEMOD_SCRAMBLE_CODE_CMD, 0, 0,
399                 state->demod, 0, 0, 0,
400                 0, 0, 0, 0, 0, 0, 0, 0,
401                 0, 0, 0, 0, 1, 0, 0, 0,
402         };
403
404         root = gold2root(gold);
405
406         buf[25] = (root >> 24) & 0xff;
407         buf[24] = (root >> 16) & 0xff;
408         buf[23] = (root >> 8) & 0xff;
409         buf[22] = root & 0xff;
410
411         return send_command(state, sizeof(buf), buf);
412 }
413
414 static int cfg_demod_abort_tune(struct mxl *state)
415 {
416         struct MXL_HYDRA_DEMOD_ABORT_TUNE_T abort_tune_cmd;
417         u8 cmd_size = sizeof(abort_tune_cmd);
418         u8 cmd_buff[MXL_HYDRA_OEM_MAX_CMD_BUFF_LEN];
419
420         abort_tune_cmd.demod_id = state->demod;
421         BUILD_HYDRA_CMD(MXL_HYDRA_ABORT_TUNE_CMD, MXL_CMD_WRITE,
422                         cmd_size, &abort_tune_cmd, cmd_buff);
423         return send_command(state, cmd_size + MXL_HYDRA_CMD_HEADER_SIZE,
424                             &cmd_buff[0]);
425 }
426
427 static int send_master_cmd(struct dvb_frontend *fe,
428                            struct dvb_diseqc_master_cmd *cmd)
429 {
430         /*struct mxl *state = fe->demodulator_priv;*/
431
432         return 0; /*CfgDemodAbortTune(state);*/
433 }
434
435 static int set_parameters(struct dvb_frontend *fe)
436 {
437         struct mxl *state = fe->demodulator_priv;
438         struct dtv_frontend_properties *p = &fe->dtv_property_cache;
439         struct MXL_HYDRA_DEMOD_PARAM_T demod_chan_cfg;
440         u8 cmd_size = sizeof(demod_chan_cfg);
441         u8 cmd_buff[MXL_HYDRA_OEM_MAX_CMD_BUFF_LEN];
442         u32 srange = 10;
443         int stat;
444
445         if (p->frequency < 950000 || p->frequency > 2150000)
446                 return -EINVAL;
447         if (p->symbol_rate < 1000000 || p->symbol_rate > 45000000)
448                 return -EINVAL;
449
450         /* CfgDemodAbortTune(state); */
451
452         switch (p->delivery_system) {
453         case SYS_DSS:
454                 demod_chan_cfg.standard = MXL_HYDRA_DSS;
455                 demod_chan_cfg.roll_off = MXL_HYDRA_ROLLOFF_AUTO;
456                 break;
457         case SYS_DVBS:
458                 srange = p->symbol_rate / 1000000;
459                 if (srange > 10)
460                         srange = 10;
461                 demod_chan_cfg.standard = MXL_HYDRA_DVBS;
462                 demod_chan_cfg.roll_off = MXL_HYDRA_ROLLOFF_0_35;
463                 demod_chan_cfg.modulation_scheme = MXL_HYDRA_MOD_QPSK;
464                 demod_chan_cfg.pilots = MXL_HYDRA_PILOTS_OFF;
465                 break;
466         case SYS_DVBS2:
467                 demod_chan_cfg.standard = MXL_HYDRA_DVBS2;
468                 demod_chan_cfg.roll_off = MXL_HYDRA_ROLLOFF_AUTO;
469                 demod_chan_cfg.modulation_scheme = MXL_HYDRA_MOD_AUTO;
470                 demod_chan_cfg.pilots = MXL_HYDRA_PILOTS_AUTO;
471                 cfg_scrambler(state, p->scrambling_sequence_index);
472                 break;
473         default:
474                 return -EINVAL;
475         }
476         demod_chan_cfg.tuner_index = state->tuner;
477         demod_chan_cfg.demod_index = state->demod;
478         demod_chan_cfg.frequency_in_hz = p->frequency * 1000;
479         demod_chan_cfg.symbol_rate_in_hz = p->symbol_rate;
480         demod_chan_cfg.max_carrier_offset_in_mhz = srange;
481         demod_chan_cfg.spectrum_inversion = MXL_HYDRA_SPECTRUM_AUTO;
482         demod_chan_cfg.fec_code_rate = MXL_HYDRA_FEC_AUTO;
483
484         mutex_lock(&state->base->tune_lock);
485         if (time_after(jiffies + msecs_to_jiffies(200),
486                        state->base->next_tune))
487                 while (time_before(jiffies, state->base->next_tune))
488                         usleep_range(10000, 11000);
489         state->base->next_tune = jiffies + msecs_to_jiffies(100);
490         state->tuner_in_use = state->tuner;
491         BUILD_HYDRA_CMD(MXL_HYDRA_DEMOD_SET_PARAM_CMD, MXL_CMD_WRITE,
492                         cmd_size, &demod_chan_cfg, cmd_buff);
493         stat = send_command(state, cmd_size + MXL_HYDRA_CMD_HEADER_SIZE,
494                             &cmd_buff[0]);
495         mutex_unlock(&state->base->tune_lock);
496         return stat;
497 }
498
499 static int enable_tuner(struct mxl *state, u32 tuner, u32 enable);
500
501 static int sleep(struct dvb_frontend *fe)
502 {
503         struct mxl *state = fe->demodulator_priv;
504         struct mxl *p;
505
506         cfg_demod_abort_tune(state);
507         if (state->tuner_in_use != 0xffffffff) {
508                 mutex_lock(&state->base->tune_lock);
509                 state->tuner_in_use = 0xffffffff;
510                 list_for_each_entry(p, &state->base->mxls, mxl) {
511                         if (p->tuner_in_use == state->tuner)
512                                 break;
513                 }
514                 if (&p->mxl == &state->base->mxls)
515                         enable_tuner(state, state->tuner, 0);
516                 mutex_unlock(&state->base->tune_lock);
517         }
518         return 0;
519 }
520
521 static int read_snr(struct dvb_frontend *fe)
522 {
523         struct mxl *state = fe->demodulator_priv;
524         int stat;
525         u32 reg_data = 0;
526         struct dtv_frontend_properties *p = &fe->dtv_property_cache;
527
528         mutex_lock(&state->base->status_lock);
529         HYDRA_DEMOD_STATUS_LOCK(state, state->demod);
530         stat = read_register(state, (HYDRA_DMD_SNR_ADDR_OFFSET +
531                                      HYDRA_DMD_STATUS_OFFSET(state->demod)),
532                              &reg_data);
533         HYDRA_DEMOD_STATUS_UNLOCK(state, state->demod);
534         mutex_unlock(&state->base->status_lock);
535
536         p->cnr.stat[0].scale = FE_SCALE_DECIBEL;
537         p->cnr.stat[0].svalue = (s16)reg_data * 10;
538
539         return stat;
540 }
541
542 static int read_ber(struct dvb_frontend *fe)
543 {
544         struct mxl *state = fe->demodulator_priv;
545         struct dtv_frontend_properties *p = &fe->dtv_property_cache;
546         u32 reg[8];
547
548         mutex_lock(&state->base->status_lock);
549         HYDRA_DEMOD_STATUS_LOCK(state, state->demod);
550         read_register_block(state,
551                 (HYDRA_DMD_DVBS_1ST_CORR_RS_ERRORS_ADDR_OFFSET +
552                  HYDRA_DMD_STATUS_OFFSET(state->demod)),
553                 (4 * sizeof(u32)),
554                 (u8 *) &reg[0]);
555         HYDRA_DEMOD_STATUS_UNLOCK(state, state->demod);
556
557         switch (p->delivery_system) {
558         case SYS_DSS:
559         case SYS_DVBS:
560                 p->pre_bit_error.stat[0].scale = FE_SCALE_COUNTER;
561                 p->pre_bit_error.stat[0].uvalue = reg[2];
562                 p->pre_bit_count.stat[0].scale = FE_SCALE_COUNTER;
563                 p->pre_bit_count.stat[0].uvalue = reg[3];
564                 break;
565         default:
566                 break;
567         }
568
569         read_register_block(state,
570                 (HYDRA_DMD_DVBS2_CRC_ERRORS_ADDR_OFFSET +
571                  HYDRA_DMD_STATUS_OFFSET(state->demod)),
572                 (7 * sizeof(u32)),
573                 (u8 *) &reg[0]);
574
575         switch (p->delivery_system) {
576         case SYS_DSS:
577         case SYS_DVBS:
578                 p->post_bit_error.stat[0].scale = FE_SCALE_COUNTER;
579                 p->post_bit_error.stat[0].uvalue = reg[5];
580                 p->post_bit_count.stat[0].scale = FE_SCALE_COUNTER;
581                 p->post_bit_count.stat[0].uvalue = reg[6];
582                 break;
583         case SYS_DVBS2:
584                 p->post_bit_error.stat[0].scale = FE_SCALE_COUNTER;
585                 p->post_bit_error.stat[0].uvalue = reg[1];
586                 p->post_bit_count.stat[0].scale = FE_SCALE_COUNTER;
587                 p->post_bit_count.stat[0].uvalue = reg[2];
588                 break;
589         default:
590                 break;
591         }
592
593         mutex_unlock(&state->base->status_lock);
594
595         return 0;
596 }
597
598 static int read_signal_strength(struct dvb_frontend *fe)
599 {
600         struct mxl *state = fe->demodulator_priv;
601         struct dtv_frontend_properties *p = &fe->dtv_property_cache;
602         int stat;
603         u32 reg_data = 0;
604
605         mutex_lock(&state->base->status_lock);
606         HYDRA_DEMOD_STATUS_LOCK(state, state->demod);
607         stat = read_register(state, (HYDRA_DMD_STATUS_INPUT_POWER_ADDR +
608                                      HYDRA_DMD_STATUS_OFFSET(state->demod)),
609                              &reg_data);
610         HYDRA_DEMOD_STATUS_UNLOCK(state, state->demod);
611         mutex_unlock(&state->base->status_lock);
612
613         p->strength.stat[0].scale = FE_SCALE_DECIBEL;
614         p->strength.stat[0].svalue = (s16) reg_data * 10; /* fix scale */
615
616         return stat;
617 }
618
619 static int read_status(struct dvb_frontend *fe, enum fe_status *status)
620 {
621         struct mxl *state = fe->demodulator_priv;
622         struct dtv_frontend_properties *p = &fe->dtv_property_cache;
623         u32 reg_data = 0;
624
625         mutex_lock(&state->base->status_lock);
626         HYDRA_DEMOD_STATUS_LOCK(state, state->demod);
627         read_register(state, (HYDRA_DMD_LOCK_STATUS_ADDR_OFFSET +
628                              HYDRA_DMD_STATUS_OFFSET(state->demod)),
629                              &reg_data);
630         HYDRA_DEMOD_STATUS_UNLOCK(state, state->demod);
631         mutex_unlock(&state->base->status_lock);
632
633         *status = (reg_data == 1) ? 0x1f : 0;
634
635         /* signal statistics */
636
637         /* signal strength is always available */
638         read_signal_strength(fe);
639
640         if (*status & FE_HAS_CARRIER)
641                 read_snr(fe);
642         else
643                 p->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
644
645         if (*status & FE_HAS_SYNC)
646                 read_ber(fe);
647         else {
648                 p->pre_bit_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
649                 p->pre_bit_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
650                 p->post_bit_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
651                 p->post_bit_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
652         }
653
654         return 0;
655 }
656
657 static int tune(struct dvb_frontend *fe, bool re_tune,
658                 unsigned int mode_flags,
659                 unsigned int *delay, enum fe_status *status)
660 {
661         struct mxl *state = fe->demodulator_priv;
662         int r = 0;
663
664         *delay = HZ / 2;
665         if (re_tune) {
666                 r = set_parameters(fe);
667                 if (r)
668                         return r;
669                 state->tune_time = jiffies;
670         }
671
672         return read_status(fe, status);
673 }
674
675 static enum fe_code_rate conv_fec(enum MXL_HYDRA_FEC_E fec)
676 {
677         enum fe_code_rate fec2fec[11] = {
678                 FEC_NONE, FEC_1_2, FEC_3_5, FEC_2_3,
679                 FEC_3_4, FEC_4_5, FEC_5_6, FEC_6_7,
680                 FEC_7_8, FEC_8_9, FEC_9_10
681         };
682
683         if (fec > MXL_HYDRA_FEC_9_10)
684                 return FEC_NONE;
685         return fec2fec[fec];
686 }
687
688 static int get_frontend(struct dvb_frontend *fe,
689                         struct dtv_frontend_properties *p)
690 {
691         struct mxl *state = fe->demodulator_priv;
692         u32 reg_data[MXL_DEMOD_CHAN_PARAMS_BUFF_SIZE];
693         u32 freq;
694
695         mutex_lock(&state->base->status_lock);
696         HYDRA_DEMOD_STATUS_LOCK(state, state->demod);
697         read_register_block(state,
698                 (HYDRA_DMD_STANDARD_ADDR_OFFSET +
699                 HYDRA_DMD_STATUS_OFFSET(state->demod)),
700                 (MXL_DEMOD_CHAN_PARAMS_BUFF_SIZE * 4), /* 25 * 4 bytes */
701                 (u8 *) &reg_data[0]);
702         /* read demod channel parameters */
703         read_register_block(state,
704                 (HYDRA_DMD_STATUS_CENTER_FREQ_IN_KHZ_ADDR +
705                 HYDRA_DMD_STATUS_OFFSET(state->demod)),
706                 (4), /* 4 bytes */
707                 (u8 *) &freq);
708         HYDRA_DEMOD_STATUS_UNLOCK(state, state->demod);
709         mutex_unlock(&state->base->status_lock);
710
711         dev_dbg(state->i2cdev, "freq=%u delsys=%u srate=%u\n",
712                 freq * 1000, reg_data[DMD_STANDARD_ADDR],
713                 reg_data[DMD_SYMBOL_RATE_ADDR]);
714         p->symbol_rate = reg_data[DMD_SYMBOL_RATE_ADDR];
715         p->frequency = freq;
716         /*
717          * p->delivery_system =
718          *      (MXL_HYDRA_BCAST_STD_E) regData[DMD_STANDARD_ADDR];
719          * p->inversion =
720          *      (MXL_HYDRA_SPECTRUM_E) regData[DMD_SPECTRUM_INVERSION_ADDR];
721          * freqSearchRangeKHz =
722          *      (regData[DMD_FREQ_SEARCH_RANGE_IN_KHZ_ADDR]);
723          */
724
725         p->fec_inner = conv_fec(reg_data[DMD_FEC_CODE_RATE_ADDR]);
726         switch (p->delivery_system) {
727         case SYS_DSS:
728                 break;
729         case SYS_DVBS2:
730                 switch ((enum MXL_HYDRA_PILOTS_E)
731                         reg_data[DMD_DVBS2_PILOT_ON_OFF_ADDR]) {
732                 case MXL_HYDRA_PILOTS_OFF:
733                         p->pilot = PILOT_OFF;
734                         break;
735                 case MXL_HYDRA_PILOTS_ON:
736                         p->pilot = PILOT_ON;
737                         break;
738                 default:
739                         break;
740                 }
741                 fallthrough;
742         case SYS_DVBS:
743                 switch ((enum MXL_HYDRA_MODULATION_E)
744                         reg_data[DMD_MODULATION_SCHEME_ADDR]) {
745                 case MXL_HYDRA_MOD_QPSK:
746                         p->modulation = QPSK;
747                         break;
748                 case MXL_HYDRA_MOD_8PSK:
749                         p->modulation = PSK_8;
750                         break;
751                 default:
752                         break;
753                 }
754                 switch ((enum MXL_HYDRA_ROLLOFF_E)
755                         reg_data[DMD_SPECTRUM_ROLL_OFF_ADDR]) {
756                 case MXL_HYDRA_ROLLOFF_0_20:
757                         p->rolloff = ROLLOFF_20;
758                         break;
759                 case MXL_HYDRA_ROLLOFF_0_35:
760                         p->rolloff = ROLLOFF_35;
761                         break;
762                 case MXL_HYDRA_ROLLOFF_0_25:
763                         p->rolloff = ROLLOFF_25;
764                         break;
765                 default:
766                         break;
767                 }
768                 break;
769         default:
770                 return -EINVAL;
771         }
772         return 0;
773 }
774
775 static int set_input(struct dvb_frontend *fe, int input)
776 {
777         struct mxl *state = fe->demodulator_priv;
778
779         state->tuner = input;
780         return 0;
781 }
782
783 static const struct dvb_frontend_ops mxl_ops = {
784         .delsys = { SYS_DVBS, SYS_DVBS2, SYS_DSS },
785         .info = {
786                 .name                   = "MaxLinear MxL5xx DVB-S/S2 tuner-demodulator",
787                 .frequency_min_hz       =  300 * MHz,
788                 .frequency_max_hz       = 2350 * MHz,
789                 .symbol_rate_min        = 1000000,
790                 .symbol_rate_max        = 45000000,
791                 .caps                   = FE_CAN_INVERSION_AUTO |
792                                           FE_CAN_FEC_AUTO       |
793                                           FE_CAN_QPSK           |
794                                           FE_CAN_2G_MODULATION
795         },
796         .init                           = init,
797         .release                        = release,
798         .get_frontend_algo              = get_algo,
799         .tune                           = tune,
800         .read_status                    = read_status,
801         .sleep                          = sleep,
802         .get_frontend                   = get_frontend,
803         .diseqc_send_master_cmd         = send_master_cmd,
804 };
805
806 static struct mxl_base *match_base(struct i2c_adapter  *i2c, u8 adr)
807 {
808         struct mxl_base *p;
809
810         list_for_each_entry(p, &mxllist, mxllist)
811                 if (p->i2c == i2c && p->adr == adr)
812                         return p;
813         return NULL;
814 }
815
816 static void cfg_dev_xtal(struct mxl *state, u32 freq, u32 cap, u32 enable)
817 {
818         if (state->base->can_clkout || !enable)
819                 update_by_mnemonic(state, 0x90200054, 23, 1, enable);
820
821         if (freq == 24000000)
822                 write_register(state, HYDRA_CRYSTAL_SETTING, 0);
823         else
824                 write_register(state, HYDRA_CRYSTAL_SETTING, 1);
825
826         write_register(state, HYDRA_CRYSTAL_CAP, cap);
827 }
828
829 static u32 get_big_endian(u8 num_of_bits, const u8 buf[])
830 {
831         u32 ret_value = 0;
832
833         switch (num_of_bits) {
834         case 24:
835                 ret_value = (((u32) buf[0]) << 16) |
836                         (((u32) buf[1]) << 8) | buf[2];
837                 break;
838         case 32:
839                 ret_value = (((u32) buf[0]) << 24) |
840                         (((u32) buf[1]) << 16) |
841                         (((u32) buf[2]) << 8) | buf[3];
842                 break;
843         default:
844                 break;
845         }
846
847         return ret_value;
848 }
849
850 static int write_fw_segment(struct mxl *state,
851                             u32 mem_addr, u32 total_size, u8 *data_ptr)
852 {
853         int status;
854         u32 data_count = 0;
855         u32 size = 0;
856         u32 orig_size = 0;
857         u8 *w_buf_ptr = NULL;
858         u32 block_size = ((MXL_HYDRA_OEM_MAX_BLOCK_WRITE_LENGTH -
859                          (MXL_HYDRA_I2C_HDR_SIZE +
860                           MXL_HYDRA_REG_SIZE_IN_BYTES)) / 4) * 4;
861         u8 w_msg_buffer[MXL_HYDRA_OEM_MAX_BLOCK_WRITE_LENGTH -
862                       (MXL_HYDRA_I2C_HDR_SIZE + MXL_HYDRA_REG_SIZE_IN_BYTES)];
863
864         do {
865                 size = orig_size = (((u32)(data_count + block_size)) > total_size) ?
866                         (total_size - data_count) : block_size;
867
868                 if (orig_size & 3)
869                         size = (orig_size + 4) & ~3;
870                 w_buf_ptr = &w_msg_buffer[0];
871                 memset((void *) w_buf_ptr, 0, size);
872                 memcpy((void *) w_buf_ptr, (void *) data_ptr, orig_size);
873                 convert_endian(1, size, w_buf_ptr);
874                 status  = write_firmware_block(state, mem_addr, size, w_buf_ptr);
875                 if (status)
876                         return status;
877                 data_count += size;
878                 mem_addr   += size;
879                 data_ptr   += size;
880         } while (data_count < total_size);
881
882         return status;
883 }
884
885 static int do_firmware_download(struct mxl *state, u8 *mbin_buffer_ptr,
886                                 u32 mbin_buffer_size)
887
888 {
889         int status;
890         u32 index = 0;
891         u32 seg_length = 0;
892         u32 seg_address = 0;
893         struct MBIN_FILE_T *mbin_ptr  = (struct MBIN_FILE_T *)mbin_buffer_ptr;
894         struct MBIN_SEGMENT_T *segment_ptr;
895         enum MXL_BOOL_E xcpu_fw_flag = MXL_FALSE;
896
897         if (mbin_ptr->header.id != MBIN_FILE_HEADER_ID) {
898                 dev_err(state->i2cdev, "%s: Invalid file header ID (%c)\n",
899                        __func__, mbin_ptr->header.id);
900                 return -EINVAL;
901         }
902         status = write_register(state, FW_DL_SIGN_ADDR, 0);
903         if (status)
904                 return status;
905         segment_ptr = (struct MBIN_SEGMENT_T *) (&mbin_ptr->data[0]);
906         for (index = 0; index < mbin_ptr->header.num_segments; index++) {
907                 if (segment_ptr->header.id != MBIN_SEGMENT_HEADER_ID) {
908                         dev_err(state->i2cdev, "%s: Invalid segment header ID (%c)\n",
909                                __func__, segment_ptr->header.id);
910                         return -EINVAL;
911                 }
912                 seg_length  = get_big_endian(24,
913                                             &(segment_ptr->header.len24[0]));
914                 seg_address = get_big_endian(32,
915                                             &(segment_ptr->header.address[0]));
916
917                 if (state->base->type == MXL_HYDRA_DEVICE_568) {
918                         if ((((seg_address & 0x90760000) == 0x90760000) ||
919                              ((seg_address & 0x90740000) == 0x90740000)) &&
920                             (xcpu_fw_flag == MXL_FALSE)) {
921                                 update_by_mnemonic(state, 0x8003003C, 0, 1, 1);
922                                 msleep(200);
923                                 write_register(state, 0x90720000, 0);
924                                 usleep_range(10000, 11000);
925                                 xcpu_fw_flag = MXL_TRUE;
926                         }
927                         status = write_fw_segment(state, seg_address,
928                                                   seg_length,
929                                                   (u8 *) segment_ptr->data);
930                 } else {
931                         if (((seg_address & 0x90760000) != 0x90760000) &&
932                             ((seg_address & 0x90740000) != 0x90740000))
933                                 status = write_fw_segment(state, seg_address,
934                                         seg_length, (u8 *) segment_ptr->data);
935                 }
936                 if (status)
937                         return status;
938                 segment_ptr = (struct MBIN_SEGMENT_T *)
939                         &(segment_ptr->data[((seg_length + 3) / 4) * 4]);
940         }
941         return status;
942 }
943
944 static int check_fw(struct mxl *state, u8 *mbin, u32 mbin_len)
945 {
946         struct MBIN_FILE_HEADER_T *fh = (struct MBIN_FILE_HEADER_T *) mbin;
947         u32 flen = (fh->image_size24[0] << 16) |
948                 (fh->image_size24[1] <<  8) | fh->image_size24[2];
949         u8 *fw, cs = 0;
950         u32 i;
951
952         if (fh->id != 'M' || fh->fmt_version != '1' || flen > 0x3FFF0) {
953                 dev_info(state->i2cdev, "Invalid FW Header\n");
954                 return -1;
955         }
956         fw = mbin + sizeof(struct MBIN_FILE_HEADER_T);
957         for (i = 0; i < flen; i += 1)
958                 cs += fw[i];
959         if (cs != fh->image_checksum) {
960                 dev_info(state->i2cdev, "Invalid FW Checksum\n");
961                 return -1;
962         }
963         return 0;
964 }
965
966 static int firmware_download(struct mxl *state, u8 *mbin, u32 mbin_len)
967 {
968         int status;
969         u32 reg_data = 0;
970         struct MXL_HYDRA_SKU_COMMAND_T dev_sku_cfg;
971         u8 cmd_size = sizeof(struct MXL_HYDRA_SKU_COMMAND_T);
972         u8 cmd_buff[sizeof(struct MXL_HYDRA_SKU_COMMAND_T) + 6];
973
974         if (check_fw(state, mbin, mbin_len))
975                 return -1;
976
977         /* put CPU into reset */
978         status = update_by_mnemonic(state, 0x8003003C, 0, 1, 0);
979         if (status)
980                 return status;
981         usleep_range(1000, 2000);
982
983         /* Reset TX FIFO's, BBAND, XBAR */
984         status = write_register(state, HYDRA_RESET_TRANSPORT_FIFO_REG,
985                                 HYDRA_RESET_TRANSPORT_FIFO_DATA);
986         if (status)
987                 return status;
988         status = write_register(state, HYDRA_RESET_BBAND_REG,
989                                 HYDRA_RESET_BBAND_DATA);
990         if (status)
991                 return status;
992         status = write_register(state, HYDRA_RESET_XBAR_REG,
993                                 HYDRA_RESET_XBAR_DATA);
994         if (status)
995                 return status;
996
997         /* Disable clock to Baseband, Wideband, SerDes,
998          * Alias ext & Transport modules
999          */
1000         status = write_register(state, HYDRA_MODULES_CLK_2_REG,
1001                                 HYDRA_DISABLE_CLK_2);
1002         if (status)
1003                 return status;
1004         /* Clear Software & Host interrupt status - (Clear on read) */
1005         status = read_register(state, HYDRA_PRCM_ROOT_CLK_REG, &reg_data);
1006         if (status)
1007                 return status;
1008         status = do_firmware_download(state, mbin, mbin_len);
1009         if (status)
1010                 return status;
1011
1012         if (state->base->type == MXL_HYDRA_DEVICE_568) {
1013                 usleep_range(10000, 11000);
1014
1015                 /* bring XCPU out of reset */
1016                 status = write_register(state, 0x90720000, 1);
1017                 if (status)
1018                         return status;
1019                 msleep(500);
1020
1021                 /* Enable XCPU UART message processing in MCPU */
1022                 status = write_register(state, 0x9076B510, 1);
1023                 if (status)
1024                         return status;
1025         } else {
1026                 /* Bring CPU out of reset */
1027                 status = update_by_mnemonic(state, 0x8003003C, 0, 1, 1);
1028                 if (status)
1029                         return status;
1030                 /* Wait until FW boots */
1031                 msleep(150);
1032         }
1033
1034         /* Initialize XPT XBAR */
1035         status = write_register(state, XPT_DMD0_BASEADDR, 0x76543210);
1036         if (status)
1037                 return status;
1038
1039         if (!firmware_is_alive(state))
1040                 return -1;
1041
1042         dev_info(state->i2cdev, "Hydra FW alive. Hail!\n");
1043
1044         /* sometimes register values are wrong shortly
1045          * after first heart beats
1046          */
1047         msleep(50);
1048
1049         dev_sku_cfg.sku_type = state->base->sku_type;
1050         BUILD_HYDRA_CMD(MXL_HYDRA_DEV_CFG_SKU_CMD, MXL_CMD_WRITE,
1051                         cmd_size, &dev_sku_cfg, cmd_buff);
1052         status = send_command(state, cmd_size + MXL_HYDRA_CMD_HEADER_SIZE,
1053                               &cmd_buff[0]);
1054
1055         return status;
1056 }
1057
1058 static int cfg_ts_pad_mux(struct mxl *state, enum MXL_BOOL_E enable_serial_ts)
1059 {
1060         int status = 0;
1061         u32 pad_mux_value = 0;
1062
1063         if (enable_serial_ts == MXL_TRUE) {
1064                 pad_mux_value = 0;
1065                 if ((state->base->type == MXL_HYDRA_DEVICE_541) ||
1066                     (state->base->type == MXL_HYDRA_DEVICE_541S))
1067                         pad_mux_value = 2;
1068         } else {
1069                 if ((state->base->type == MXL_HYDRA_DEVICE_581) ||
1070                     (state->base->type == MXL_HYDRA_DEVICE_581S))
1071                         pad_mux_value = 2;
1072                 else
1073                         pad_mux_value = 3;
1074         }
1075
1076         switch (state->base->type) {
1077         case MXL_HYDRA_DEVICE_561:
1078         case MXL_HYDRA_DEVICE_581:
1079         case MXL_HYDRA_DEVICE_541:
1080         case MXL_HYDRA_DEVICE_541S:
1081         case MXL_HYDRA_DEVICE_561S:
1082         case MXL_HYDRA_DEVICE_581S:
1083                 status |= update_by_mnemonic(state, 0x90000170, 24, 3,
1084                                              pad_mux_value);
1085                 status |= update_by_mnemonic(state, 0x90000170, 28, 3,
1086                                              pad_mux_value);
1087                 status |= update_by_mnemonic(state, 0x90000174, 0, 3,
1088                                              pad_mux_value);
1089                 status |= update_by_mnemonic(state, 0x90000174, 4, 3,
1090                                              pad_mux_value);
1091                 status |= update_by_mnemonic(state, 0x90000174, 8, 3,
1092                                              pad_mux_value);
1093                 status |= update_by_mnemonic(state, 0x90000174, 12, 3,
1094                                              pad_mux_value);
1095                 status |= update_by_mnemonic(state, 0x90000174, 16, 3,
1096                                              pad_mux_value);
1097                 status |= update_by_mnemonic(state, 0x90000174, 20, 3,
1098                                              pad_mux_value);
1099                 status |= update_by_mnemonic(state, 0x90000174, 24, 3,
1100                                              pad_mux_value);
1101                 status |= update_by_mnemonic(state, 0x90000174, 28, 3,
1102                                              pad_mux_value);
1103                 status |= update_by_mnemonic(state, 0x90000178, 0, 3,
1104                                              pad_mux_value);
1105                 status |= update_by_mnemonic(state, 0x90000178, 4, 3,
1106                                              pad_mux_value);
1107                 status |= update_by_mnemonic(state, 0x90000178, 8, 3,
1108                                              pad_mux_value);
1109                 break;
1110
1111         case MXL_HYDRA_DEVICE_544:
1112         case MXL_HYDRA_DEVICE_542:
1113                 status |= update_by_mnemonic(state, 0x9000016C, 4, 3, 1);
1114                 status |= update_by_mnemonic(state, 0x9000016C, 8, 3, 0);
1115                 status |= update_by_mnemonic(state, 0x9000016C, 12, 3, 0);
1116                 status |= update_by_mnemonic(state, 0x9000016C, 16, 3, 0);
1117                 status |= update_by_mnemonic(state, 0x90000170, 0, 3, 0);
1118                 status |= update_by_mnemonic(state, 0x90000178, 12, 3, 1);
1119                 status |= update_by_mnemonic(state, 0x90000178, 16, 3, 1);
1120                 status |= update_by_mnemonic(state, 0x90000178, 20, 3, 1);
1121                 status |= update_by_mnemonic(state, 0x90000178, 24, 3, 1);
1122                 status |= update_by_mnemonic(state, 0x9000017C, 0, 3, 1);
1123                 status |= update_by_mnemonic(state, 0x9000017C, 4, 3, 1);
1124                 if (enable_serial_ts == MXL_ENABLE) {
1125                         status |= update_by_mnemonic(state,
1126                                 0x90000170, 4, 3, 0);
1127                         status |= update_by_mnemonic(state,
1128                                 0x90000170, 8, 3, 0);
1129                         status |= update_by_mnemonic(state,
1130                                 0x90000170, 12, 3, 0);
1131                         status |= update_by_mnemonic(state,
1132                                 0x90000170, 16, 3, 0);
1133                         status |= update_by_mnemonic(state,
1134                                 0x90000170, 20, 3, 1);
1135                         status |= update_by_mnemonic(state,
1136                                 0x90000170, 24, 3, 1);
1137                         status |= update_by_mnemonic(state,
1138                                 0x90000170, 28, 3, 2);
1139                         status |= update_by_mnemonic(state,
1140                                 0x90000174, 0, 3, 2);
1141                         status |= update_by_mnemonic(state,
1142                                 0x90000174, 4, 3, 2);
1143                         status |= update_by_mnemonic(state,
1144                                 0x90000174, 8, 3, 2);
1145                         status |= update_by_mnemonic(state,
1146                                 0x90000174, 12, 3, 2);
1147                         status |= update_by_mnemonic(state,
1148                                 0x90000174, 16, 3, 2);
1149                         status |= update_by_mnemonic(state,
1150                                 0x90000174, 20, 3, 2);
1151                         status |= update_by_mnemonic(state,
1152                                 0x90000174, 24, 3, 2);
1153                         status |= update_by_mnemonic(state,
1154                                 0x90000174, 28, 3, 2);
1155                         status |= update_by_mnemonic(state,
1156                                 0x90000178, 0, 3, 2);
1157                         status |= update_by_mnemonic(state,
1158                                 0x90000178, 4, 3, 2);
1159                         status |= update_by_mnemonic(state,
1160                                 0x90000178, 8, 3, 2);
1161                 } else {
1162                         status |= update_by_mnemonic(state,
1163                                 0x90000170, 4, 3, 3);
1164                         status |= update_by_mnemonic(state,
1165                                 0x90000170, 8, 3, 3);
1166                         status |= update_by_mnemonic(state,
1167                                 0x90000170, 12, 3, 3);
1168                         status |= update_by_mnemonic(state,
1169                                 0x90000170, 16, 3, 3);
1170                         status |= update_by_mnemonic(state,
1171                                 0x90000170, 20, 3, 3);
1172                         status |= update_by_mnemonic(state,
1173                                 0x90000170, 24, 3, 3);
1174                         status |= update_by_mnemonic(state,
1175                                 0x90000170, 28, 3, 3);
1176                         status |= update_by_mnemonic(state,
1177                                 0x90000174, 0, 3, 3);
1178                         status |= update_by_mnemonic(state,
1179                                 0x90000174, 4, 3, 3);
1180                         status |= update_by_mnemonic(state,
1181                                 0x90000174, 8, 3, 3);
1182                         status |= update_by_mnemonic(state,
1183                                 0x90000174, 12, 3, 3);
1184                         status |= update_by_mnemonic(state,
1185                                 0x90000174, 16, 3, 3);
1186                         status |= update_by_mnemonic(state,
1187                                 0x90000174, 20, 3, 1);
1188                         status |= update_by_mnemonic(state,
1189                                 0x90000174, 24, 3, 1);
1190                         status |= update_by_mnemonic(state,
1191                                 0x90000174, 28, 3, 1);
1192                         status |= update_by_mnemonic(state,
1193                                 0x90000178, 0, 3, 1);
1194                         status |= update_by_mnemonic(state,
1195                                 0x90000178, 4, 3, 1);
1196                         status |= update_by_mnemonic(state,
1197                                 0x90000178, 8, 3, 1);
1198                 }
1199                 break;
1200
1201         case MXL_HYDRA_DEVICE_568:
1202                 if (enable_serial_ts == MXL_FALSE) {
1203                         status |= update_by_mnemonic(state,
1204                                 0x9000016C, 8, 3, 5);
1205                         status |= update_by_mnemonic(state,
1206                                 0x9000016C, 12, 3, 5);
1207                         status |= update_by_mnemonic(state,
1208                                 0x9000016C, 16, 3, 5);
1209                         status |= update_by_mnemonic(state,
1210                                 0x9000016C, 20, 3, 5);
1211                         status |= update_by_mnemonic(state,
1212                                 0x9000016C, 24, 3, 5);
1213                         status |= update_by_mnemonic(state,
1214                                 0x9000016C, 28, 3, 5);
1215                         status |= update_by_mnemonic(state,
1216                                 0x90000170, 0, 3, 5);
1217                         status |= update_by_mnemonic(state,
1218                                 0x90000170, 4, 3, 5);
1219                         status |= update_by_mnemonic(state,
1220                                 0x90000170, 8, 3, 5);
1221                         status |= update_by_mnemonic(state,
1222                                 0x90000170, 12, 3, 5);
1223                         status |= update_by_mnemonic(state,
1224                                 0x90000170, 16, 3, 5);
1225                         status |= update_by_mnemonic(state,
1226                                 0x90000170, 20, 3, 5);
1227
1228                         status |= update_by_mnemonic(state,
1229                                 0x90000170, 24, 3, pad_mux_value);
1230                         status |= update_by_mnemonic(state,
1231                                 0x90000174, 0, 3, pad_mux_value);
1232                         status |= update_by_mnemonic(state,
1233                                 0x90000174, 4, 3, pad_mux_value);
1234                         status |= update_by_mnemonic(state,
1235                                 0x90000174, 8, 3, pad_mux_value);
1236                         status |= update_by_mnemonic(state,
1237                                 0x90000174, 12, 3, pad_mux_value);
1238                         status |= update_by_mnemonic(state,
1239                                 0x90000174, 16, 3, pad_mux_value);
1240                         status |= update_by_mnemonic(state,
1241                                 0x90000174, 20, 3, pad_mux_value);
1242                         status |= update_by_mnemonic(state,
1243                                 0x90000174, 24, 3, pad_mux_value);
1244                         status |= update_by_mnemonic(state,
1245                                 0x90000174, 28, 3, pad_mux_value);
1246                         status |= update_by_mnemonic(state,
1247                                 0x90000178, 0, 3, pad_mux_value);
1248                         status |= update_by_mnemonic(state,
1249                                 0x90000178, 4, 3, pad_mux_value);
1250
1251                         status |= update_by_mnemonic(state,
1252                                 0x90000178, 8, 3, 5);
1253                         status |= update_by_mnemonic(state,
1254                                 0x90000178, 12, 3, 5);
1255                         status |= update_by_mnemonic(state,
1256                                 0x90000178, 16, 3, 5);
1257                         status |= update_by_mnemonic(state,
1258                                 0x90000178, 20, 3, 5);
1259                         status |= update_by_mnemonic(state,
1260                                 0x90000178, 24, 3, 5);
1261                         status |= update_by_mnemonic(state,
1262                                 0x90000178, 28, 3, 5);
1263                         status |= update_by_mnemonic(state,
1264                                 0x9000017C, 0, 3, 5);
1265                         status |= update_by_mnemonic(state,
1266                                 0x9000017C, 4, 3, 5);
1267                 } else {
1268                         status |= update_by_mnemonic(state,
1269                                 0x90000170, 4, 3, pad_mux_value);
1270                         status |= update_by_mnemonic(state,
1271                                 0x90000170, 8, 3, pad_mux_value);
1272                         status |= update_by_mnemonic(state,
1273                                 0x90000170, 12, 3, pad_mux_value);
1274                         status |= update_by_mnemonic(state,
1275                                 0x90000170, 16, 3, pad_mux_value);
1276                         status |= update_by_mnemonic(state,
1277                                 0x90000170, 20, 3, pad_mux_value);
1278                         status |= update_by_mnemonic(state,
1279                                 0x90000170, 24, 3, pad_mux_value);
1280                         status |= update_by_mnemonic(state,
1281                                 0x90000170, 28, 3, pad_mux_value);
1282                         status |= update_by_mnemonic(state,
1283                                 0x90000174, 0, 3, pad_mux_value);
1284                         status |= update_by_mnemonic(state,
1285                                 0x90000174, 4, 3, pad_mux_value);
1286                         status |= update_by_mnemonic(state,
1287                                 0x90000174, 8, 3, pad_mux_value);
1288                         status |= update_by_mnemonic(state,
1289                                 0x90000174, 12, 3, pad_mux_value);
1290                 }
1291                 break;
1292
1293
1294         case MXL_HYDRA_DEVICE_584:
1295         default:
1296                 status |= update_by_mnemonic(state,
1297                         0x90000170, 4, 3, pad_mux_value);
1298                 status |= update_by_mnemonic(state,
1299                         0x90000170, 8, 3, pad_mux_value);
1300                 status |= update_by_mnemonic(state,
1301                         0x90000170, 12, 3, pad_mux_value);
1302                 status |= update_by_mnemonic(state,
1303                         0x90000170, 16, 3, pad_mux_value);
1304                 status |= update_by_mnemonic(state,
1305                         0x90000170, 20, 3, pad_mux_value);
1306                 status |= update_by_mnemonic(state,
1307                         0x90000170, 24, 3, pad_mux_value);
1308                 status |= update_by_mnemonic(state,
1309                         0x90000170, 28, 3, pad_mux_value);
1310                 status |= update_by_mnemonic(state,
1311                         0x90000174, 0, 3, pad_mux_value);
1312                 status |= update_by_mnemonic(state,
1313                         0x90000174, 4, 3, pad_mux_value);
1314                 status |= update_by_mnemonic(state,
1315                         0x90000174, 8, 3, pad_mux_value);
1316                 status |= update_by_mnemonic(state,
1317                         0x90000174, 12, 3, pad_mux_value);
1318                 break;
1319         }
1320         return status;
1321 }
1322
1323 static int set_drive_strength(struct mxl *state,
1324                 enum MXL_HYDRA_TS_DRIVE_STRENGTH_E ts_drive_strength)
1325 {
1326         int stat = 0;
1327         u32 val;
1328
1329         read_register(state, 0x90000194, &val);
1330         dev_info(state->i2cdev, "DIGIO = %08x\n", val);
1331         dev_info(state->i2cdev, "set drive_strength = %u\n", ts_drive_strength);
1332
1333
1334         stat |= update_by_mnemonic(state, 0x90000194, 0, 3, ts_drive_strength);
1335         stat |= update_by_mnemonic(state, 0x90000194, 20, 3, ts_drive_strength);
1336         stat |= update_by_mnemonic(state, 0x90000194, 24, 3, ts_drive_strength);
1337         stat |= update_by_mnemonic(state, 0x90000198, 12, 3, ts_drive_strength);
1338         stat |= update_by_mnemonic(state, 0x90000198, 16, 3, ts_drive_strength);
1339         stat |= update_by_mnemonic(state, 0x90000198, 20, 3, ts_drive_strength);
1340         stat |= update_by_mnemonic(state, 0x90000198, 24, 3, ts_drive_strength);
1341         stat |= update_by_mnemonic(state, 0x9000019C, 0, 3, ts_drive_strength);
1342         stat |= update_by_mnemonic(state, 0x9000019C, 4, 3, ts_drive_strength);
1343         stat |= update_by_mnemonic(state, 0x9000019C, 8, 3, ts_drive_strength);
1344         stat |= update_by_mnemonic(state, 0x9000019C, 24, 3, ts_drive_strength);
1345         stat |= update_by_mnemonic(state, 0x9000019C, 28, 3, ts_drive_strength);
1346         stat |= update_by_mnemonic(state, 0x900001A0, 0, 3, ts_drive_strength);
1347         stat |= update_by_mnemonic(state, 0x900001A0, 4, 3, ts_drive_strength);
1348         stat |= update_by_mnemonic(state, 0x900001A0, 20, 3, ts_drive_strength);
1349         stat |= update_by_mnemonic(state, 0x900001A0, 24, 3, ts_drive_strength);
1350         stat |= update_by_mnemonic(state, 0x900001A0, 28, 3, ts_drive_strength);
1351
1352         return stat;
1353 }
1354
1355 static int enable_tuner(struct mxl *state, u32 tuner, u32 enable)
1356 {
1357         int stat = 0;
1358         struct MXL_HYDRA_TUNER_CMD ctrl_tuner_cmd;
1359         u8 cmd_size = sizeof(ctrl_tuner_cmd);
1360         u8 cmd_buff[MXL_HYDRA_OEM_MAX_CMD_BUFF_LEN];
1361         u32 val, count = 10;
1362
1363         ctrl_tuner_cmd.tuner_id = tuner;
1364         ctrl_tuner_cmd.enable = enable;
1365         BUILD_HYDRA_CMD(MXL_HYDRA_TUNER_ACTIVATE_CMD, MXL_CMD_WRITE,
1366                         cmd_size, &ctrl_tuner_cmd, cmd_buff);
1367         stat = send_command(state, cmd_size + MXL_HYDRA_CMD_HEADER_SIZE,
1368                             &cmd_buff[0]);
1369         if (stat)
1370                 return stat;
1371         read_register(state, HYDRA_TUNER_ENABLE_COMPLETE, &val);
1372         while (--count && ((val >> tuner) & 1) != enable) {
1373                 msleep(20);
1374                 read_register(state, HYDRA_TUNER_ENABLE_COMPLETE, &val);
1375         }
1376         if (!count)
1377                 return -1;
1378         read_register(state, HYDRA_TUNER_ENABLE_COMPLETE, &val);
1379         dev_dbg(state->i2cdev, "tuner %u ready = %u\n",
1380                 tuner, (val >> tuner) & 1);
1381
1382         return 0;
1383 }
1384
1385
1386 static int config_ts(struct mxl *state, enum MXL_HYDRA_DEMOD_ID_E demod_id,
1387                      struct MXL_HYDRA_MPEGOUT_PARAM_T *mpeg_out_param_ptr)
1388 {
1389         int status = 0;
1390         u32 nco_count_min = 0;
1391         u32 clk_type = 0;
1392
1393         struct MXL_REG_FIELD_T xpt_sync_polarity[MXL_HYDRA_DEMOD_MAX] = {
1394                 {0x90700010, 8, 1}, {0x90700010, 9, 1},
1395                 {0x90700010, 10, 1}, {0x90700010, 11, 1},
1396                 {0x90700010, 12, 1}, {0x90700010, 13, 1},
1397                 {0x90700010, 14, 1}, {0x90700010, 15, 1} };
1398         struct MXL_REG_FIELD_T xpt_clock_polarity[MXL_HYDRA_DEMOD_MAX] = {
1399                 {0x90700010, 16, 1}, {0x90700010, 17, 1},
1400                 {0x90700010, 18, 1}, {0x90700010, 19, 1},
1401                 {0x90700010, 20, 1}, {0x90700010, 21, 1},
1402                 {0x90700010, 22, 1}, {0x90700010, 23, 1} };
1403         struct MXL_REG_FIELD_T xpt_valid_polarity[MXL_HYDRA_DEMOD_MAX] = {
1404                 {0x90700014, 0, 1}, {0x90700014, 1, 1},
1405                 {0x90700014, 2, 1}, {0x90700014, 3, 1},
1406                 {0x90700014, 4, 1}, {0x90700014, 5, 1},
1407                 {0x90700014, 6, 1}, {0x90700014, 7, 1} };
1408         struct MXL_REG_FIELD_T xpt_ts_clock_phase[MXL_HYDRA_DEMOD_MAX] = {
1409                 {0x90700018, 0, 3}, {0x90700018, 4, 3},
1410                 {0x90700018, 8, 3}, {0x90700018, 12, 3},
1411                 {0x90700018, 16, 3}, {0x90700018, 20, 3},
1412                 {0x90700018, 24, 3}, {0x90700018, 28, 3} };
1413         struct MXL_REG_FIELD_T xpt_lsb_first[MXL_HYDRA_DEMOD_MAX] = {
1414                 {0x9070000C, 16, 1}, {0x9070000C, 17, 1},
1415                 {0x9070000C, 18, 1}, {0x9070000C, 19, 1},
1416                 {0x9070000C, 20, 1}, {0x9070000C, 21, 1},
1417                 {0x9070000C, 22, 1}, {0x9070000C, 23, 1} };
1418         struct MXL_REG_FIELD_T xpt_sync_byte[MXL_HYDRA_DEMOD_MAX] = {
1419                 {0x90700010, 0, 1}, {0x90700010, 1, 1},
1420                 {0x90700010, 2, 1}, {0x90700010, 3, 1},
1421                 {0x90700010, 4, 1}, {0x90700010, 5, 1},
1422                 {0x90700010, 6, 1}, {0x90700010, 7, 1} };
1423         struct MXL_REG_FIELD_T xpt_enable_output[MXL_HYDRA_DEMOD_MAX] = {
1424                 {0x9070000C, 0, 1}, {0x9070000C, 1, 1},
1425                 {0x9070000C, 2, 1}, {0x9070000C, 3, 1},
1426                 {0x9070000C, 4, 1}, {0x9070000C, 5, 1},
1427                 {0x9070000C, 6, 1}, {0x9070000C, 7, 1} };
1428         struct MXL_REG_FIELD_T xpt_err_replace_sync[MXL_HYDRA_DEMOD_MAX] = {
1429                 {0x9070000C, 24, 1}, {0x9070000C, 25, 1},
1430                 {0x9070000C, 26, 1}, {0x9070000C, 27, 1},
1431                 {0x9070000C, 28, 1}, {0x9070000C, 29, 1},
1432                 {0x9070000C, 30, 1}, {0x9070000C, 31, 1} };
1433         struct MXL_REG_FIELD_T xpt_err_replace_valid[MXL_HYDRA_DEMOD_MAX] = {
1434                 {0x90700014, 8, 1}, {0x90700014, 9, 1},
1435                 {0x90700014, 10, 1}, {0x90700014, 11, 1},
1436                 {0x90700014, 12, 1}, {0x90700014, 13, 1},
1437                 {0x90700014, 14, 1}, {0x90700014, 15, 1} };
1438         struct MXL_REG_FIELD_T xpt_continuous_clock[MXL_HYDRA_DEMOD_MAX] = {
1439                 {0x907001D4, 0, 1}, {0x907001D4, 1, 1},
1440                 {0x907001D4, 2, 1}, {0x907001D4, 3, 1},
1441                 {0x907001D4, 4, 1}, {0x907001D4, 5, 1},
1442                 {0x907001D4, 6, 1}, {0x907001D4, 7, 1} };
1443         struct MXL_REG_FIELD_T xpt_nco_clock_rate[MXL_HYDRA_DEMOD_MAX] = {
1444                 {0x90700044, 16, 80}, {0x90700044, 16, 81},
1445                 {0x90700044, 16, 82}, {0x90700044, 16, 83},
1446                 {0x90700044, 16, 84}, {0x90700044, 16, 85},
1447                 {0x90700044, 16, 86}, {0x90700044, 16, 87} };
1448
1449         demod_id = state->base->ts_map[demod_id];
1450
1451         if (mpeg_out_param_ptr->enable == MXL_ENABLE) {
1452                 if (mpeg_out_param_ptr->mpeg_mode ==
1453                     MXL_HYDRA_MPEG_MODE_PARALLEL) {
1454                 } else {
1455                         cfg_ts_pad_mux(state, MXL_TRUE);
1456                         update_by_mnemonic(state,
1457                                 0x90700010, 27, 1, MXL_FALSE);
1458                 }
1459         }
1460
1461         nco_count_min =
1462                 (u32)(MXL_HYDRA_NCO_CLK / mpeg_out_param_ptr->max_mpeg_clk_rate);
1463
1464         if (state->base->chipversion >= 2) {
1465                 status |= update_by_mnemonic(state,
1466                         xpt_nco_clock_rate[demod_id].reg_addr, /* Reg Addr */
1467                         xpt_nco_clock_rate[demod_id].lsb_pos, /* LSB pos */
1468                         xpt_nco_clock_rate[demod_id].num_of_bits, /* Num of bits */
1469                         nco_count_min); /* Data */
1470         } else
1471                 update_by_mnemonic(state, 0x90700044, 16, 8, nco_count_min);
1472
1473         if (mpeg_out_param_ptr->mpeg_clk_type == MXL_HYDRA_MPEG_CLK_CONTINUOUS)
1474                 clk_type = 1;
1475
1476         if (mpeg_out_param_ptr->mpeg_mode < MXL_HYDRA_MPEG_MODE_PARALLEL) {
1477                 status |= update_by_mnemonic(state,
1478                         xpt_continuous_clock[demod_id].reg_addr,
1479                         xpt_continuous_clock[demod_id].lsb_pos,
1480                         xpt_continuous_clock[demod_id].num_of_bits,
1481                         clk_type);
1482         } else
1483                 update_by_mnemonic(state, 0x907001D4, 8, 1, clk_type);
1484
1485         status |= update_by_mnemonic(state,
1486                 xpt_sync_polarity[demod_id].reg_addr,
1487                 xpt_sync_polarity[demod_id].lsb_pos,
1488                 xpt_sync_polarity[demod_id].num_of_bits,
1489                 mpeg_out_param_ptr->mpeg_sync_pol);
1490
1491         status |= update_by_mnemonic(state,
1492                 xpt_valid_polarity[demod_id].reg_addr,
1493                 xpt_valid_polarity[demod_id].lsb_pos,
1494                 xpt_valid_polarity[demod_id].num_of_bits,
1495                 mpeg_out_param_ptr->mpeg_valid_pol);
1496
1497         status |= update_by_mnemonic(state,
1498                 xpt_clock_polarity[demod_id].reg_addr,
1499                 xpt_clock_polarity[demod_id].lsb_pos,
1500                 xpt_clock_polarity[demod_id].num_of_bits,
1501                 mpeg_out_param_ptr->mpeg_clk_pol);
1502
1503         status |= update_by_mnemonic(state,
1504                 xpt_sync_byte[demod_id].reg_addr,
1505                 xpt_sync_byte[demod_id].lsb_pos,
1506                 xpt_sync_byte[demod_id].num_of_bits,
1507                 mpeg_out_param_ptr->mpeg_sync_pulse_width);
1508
1509         status |= update_by_mnemonic(state,
1510                 xpt_ts_clock_phase[demod_id].reg_addr,
1511                 xpt_ts_clock_phase[demod_id].lsb_pos,
1512                 xpt_ts_clock_phase[demod_id].num_of_bits,
1513                 mpeg_out_param_ptr->mpeg_clk_phase);
1514
1515         status |= update_by_mnemonic(state,
1516                 xpt_lsb_first[demod_id].reg_addr,
1517                 xpt_lsb_first[demod_id].lsb_pos,
1518                 xpt_lsb_first[demod_id].num_of_bits,
1519                 mpeg_out_param_ptr->lsb_or_msb_first);
1520
1521         switch (mpeg_out_param_ptr->mpeg_error_indication) {
1522         case MXL_HYDRA_MPEG_ERR_REPLACE_SYNC:
1523                 status |= update_by_mnemonic(state,
1524                         xpt_err_replace_sync[demod_id].reg_addr,
1525                         xpt_err_replace_sync[demod_id].lsb_pos,
1526                         xpt_err_replace_sync[demod_id].num_of_bits,
1527                         MXL_TRUE);
1528                 status |= update_by_mnemonic(state,
1529                         xpt_err_replace_valid[demod_id].reg_addr,
1530                         xpt_err_replace_valid[demod_id].lsb_pos,
1531                         xpt_err_replace_valid[demod_id].num_of_bits,
1532                         MXL_FALSE);
1533                 break;
1534
1535         case MXL_HYDRA_MPEG_ERR_REPLACE_VALID:
1536                 status |= update_by_mnemonic(state,
1537                         xpt_err_replace_sync[demod_id].reg_addr,
1538                         xpt_err_replace_sync[demod_id].lsb_pos,
1539                         xpt_err_replace_sync[demod_id].num_of_bits,
1540                         MXL_FALSE);
1541
1542                 status |= update_by_mnemonic(state,
1543                         xpt_err_replace_valid[demod_id].reg_addr,
1544                         xpt_err_replace_valid[demod_id].lsb_pos,
1545                         xpt_err_replace_valid[demod_id].num_of_bits,
1546                         MXL_TRUE);
1547                 break;
1548
1549         case MXL_HYDRA_MPEG_ERR_INDICATION_DISABLED:
1550         default:
1551                 status |= update_by_mnemonic(state,
1552                         xpt_err_replace_sync[demod_id].reg_addr,
1553                         xpt_err_replace_sync[demod_id].lsb_pos,
1554                         xpt_err_replace_sync[demod_id].num_of_bits,
1555                         MXL_FALSE);
1556
1557                 status |= update_by_mnemonic(state,
1558                         xpt_err_replace_valid[demod_id].reg_addr,
1559                         xpt_err_replace_valid[demod_id].lsb_pos,
1560                         xpt_err_replace_valid[demod_id].num_of_bits,
1561                         MXL_FALSE);
1562
1563                 break;
1564
1565         }
1566
1567         if (mpeg_out_param_ptr->mpeg_mode != MXL_HYDRA_MPEG_MODE_PARALLEL) {
1568                 status |= update_by_mnemonic(state,
1569                         xpt_enable_output[demod_id].reg_addr,
1570                         xpt_enable_output[demod_id].lsb_pos,
1571                         xpt_enable_output[demod_id].num_of_bits,
1572                         mpeg_out_param_ptr->enable);
1573         }
1574         return status;
1575 }
1576
1577 static int config_mux(struct mxl *state)
1578 {
1579         update_by_mnemonic(state, 0x9070000C, 0, 1, 0);
1580         update_by_mnemonic(state, 0x9070000C, 1, 1, 0);
1581         update_by_mnemonic(state, 0x9070000C, 2, 1, 0);
1582         update_by_mnemonic(state, 0x9070000C, 3, 1, 0);
1583         update_by_mnemonic(state, 0x9070000C, 4, 1, 0);
1584         update_by_mnemonic(state, 0x9070000C, 5, 1, 0);
1585         update_by_mnemonic(state, 0x9070000C, 6, 1, 0);
1586         update_by_mnemonic(state, 0x9070000C, 7, 1, 0);
1587         update_by_mnemonic(state, 0x90700008, 0, 2, 1);
1588         update_by_mnemonic(state, 0x90700008, 2, 2, 1);
1589         return 0;
1590 }
1591
1592 static int load_fw(struct mxl *state, struct mxl5xx_cfg *cfg)
1593 {
1594         int stat = 0;
1595         u8 *buf;
1596
1597         if (cfg->fw)
1598                 return firmware_download(state, cfg->fw, cfg->fw_len);
1599
1600         if (!cfg->fw_read)
1601                 return -1;
1602
1603         buf = vmalloc(0x40000);
1604         if (!buf)
1605                 return -ENOMEM;
1606
1607         cfg->fw_read(cfg->fw_priv, buf, 0x40000);
1608         stat = firmware_download(state, buf, 0x40000);
1609         vfree(buf);
1610
1611         return stat;
1612 }
1613
1614 static int validate_sku(struct mxl *state)
1615 {
1616         u32 pad_mux_bond = 0, prcm_chip_id = 0, prcm_so_cid = 0;
1617         int status;
1618         u32 type = state->base->type;
1619
1620         status = read_by_mnemonic(state, 0x90000190, 0, 3, &pad_mux_bond);
1621         status |= read_by_mnemonic(state, 0x80030000, 0, 12, &prcm_chip_id);
1622         status |= read_by_mnemonic(state, 0x80030004, 24, 8, &prcm_so_cid);
1623         if (status)
1624                 return -1;
1625
1626         dev_info(state->i2cdev, "padMuxBond=%08x, prcmChipId=%08x, prcmSoCId=%08x\n",
1627                 pad_mux_bond, prcm_chip_id, prcm_so_cid);
1628
1629         if (prcm_chip_id != 0x560) {
1630                 switch (pad_mux_bond) {
1631                 case MXL_HYDRA_SKU_ID_581:
1632                         if (type == MXL_HYDRA_DEVICE_581)
1633                                 return 0;
1634                         if (type == MXL_HYDRA_DEVICE_581S) {
1635                                 state->base->type = MXL_HYDRA_DEVICE_581;
1636                                 return 0;
1637                         }
1638                         break;
1639                 case MXL_HYDRA_SKU_ID_584:
1640                         if (type == MXL_HYDRA_DEVICE_584)
1641                                 return 0;
1642                         break;
1643                 case MXL_HYDRA_SKU_ID_544:
1644                         if (type == MXL_HYDRA_DEVICE_544)
1645                                 return 0;
1646                         if (type == MXL_HYDRA_DEVICE_542)
1647                                 return 0;
1648                         break;
1649                 case MXL_HYDRA_SKU_ID_582:
1650                         if (type == MXL_HYDRA_DEVICE_582)
1651                                 return 0;
1652                         break;
1653                 default:
1654                         return -1;
1655                 }
1656         } else {
1657
1658         }
1659         return -1;
1660 }
1661
1662 static int get_fwinfo(struct mxl *state)
1663 {
1664         int status;
1665         u32 val = 0;
1666
1667         status = read_by_mnemonic(state, 0x90000190, 0, 3, &val);
1668         if (status)
1669                 return status;
1670         dev_info(state->i2cdev, "chipID=%08x\n", val);
1671
1672         status = read_by_mnemonic(state, 0x80030004, 8, 8, &val);
1673         if (status)
1674                 return status;
1675         dev_info(state->i2cdev, "chipVer=%08x\n", val);
1676
1677         status = read_register(state, HYDRA_FIRMWARE_VERSION, &val);
1678         if (status)
1679                 return status;
1680         dev_info(state->i2cdev, "FWVer=%08x\n", val);
1681
1682         state->base->fwversion = val;
1683         return status;
1684 }
1685
1686
1687 static u8 ts_map1_to_1[MXL_HYDRA_DEMOD_MAX] = {
1688         MXL_HYDRA_DEMOD_ID_0,
1689         MXL_HYDRA_DEMOD_ID_1,
1690         MXL_HYDRA_DEMOD_ID_2,
1691         MXL_HYDRA_DEMOD_ID_3,
1692         MXL_HYDRA_DEMOD_ID_4,
1693         MXL_HYDRA_DEMOD_ID_5,
1694         MXL_HYDRA_DEMOD_ID_6,
1695         MXL_HYDRA_DEMOD_ID_7,
1696 };
1697
1698 static u8 ts_map54x[MXL_HYDRA_DEMOD_MAX] = {
1699         MXL_HYDRA_DEMOD_ID_2,
1700         MXL_HYDRA_DEMOD_ID_3,
1701         MXL_HYDRA_DEMOD_ID_4,
1702         MXL_HYDRA_DEMOD_ID_5,
1703         MXL_HYDRA_DEMOD_MAX,
1704         MXL_HYDRA_DEMOD_MAX,
1705         MXL_HYDRA_DEMOD_MAX,
1706         MXL_HYDRA_DEMOD_MAX,
1707 };
1708
1709 static int probe(struct mxl *state, struct mxl5xx_cfg *cfg)
1710 {
1711         u32 chipver;
1712         int fw, status, j;
1713         struct MXL_HYDRA_MPEGOUT_PARAM_T mpeg_interface_cfg;
1714
1715         state->base->ts_map = ts_map1_to_1;
1716
1717         switch (state->base->type) {
1718         case MXL_HYDRA_DEVICE_581:
1719         case MXL_HYDRA_DEVICE_581S:
1720                 state->base->can_clkout = 1;
1721                 state->base->demod_num = 8;
1722                 state->base->tuner_num = 1;
1723                 state->base->sku_type = MXL_HYDRA_SKU_TYPE_581;
1724                 break;
1725         case MXL_HYDRA_DEVICE_582:
1726                 state->base->can_clkout = 1;
1727                 state->base->demod_num = 8;
1728                 state->base->tuner_num = 3;
1729                 state->base->sku_type = MXL_HYDRA_SKU_TYPE_582;
1730                 break;
1731         case MXL_HYDRA_DEVICE_585:
1732                 state->base->can_clkout = 0;
1733                 state->base->demod_num = 8;
1734                 state->base->tuner_num = 4;
1735                 state->base->sku_type = MXL_HYDRA_SKU_TYPE_585;
1736                 break;
1737         case MXL_HYDRA_DEVICE_544:
1738                 state->base->can_clkout = 0;
1739                 state->base->demod_num = 4;
1740                 state->base->tuner_num = 4;
1741                 state->base->sku_type = MXL_HYDRA_SKU_TYPE_544;
1742                 state->base->ts_map = ts_map54x;
1743                 break;
1744         case MXL_HYDRA_DEVICE_541:
1745         case MXL_HYDRA_DEVICE_541S:
1746                 state->base->can_clkout = 0;
1747                 state->base->demod_num = 4;
1748                 state->base->tuner_num = 1;
1749                 state->base->sku_type = MXL_HYDRA_SKU_TYPE_541;
1750                 state->base->ts_map = ts_map54x;
1751                 break;
1752         case MXL_HYDRA_DEVICE_561:
1753         case MXL_HYDRA_DEVICE_561S:
1754                 state->base->can_clkout = 0;
1755                 state->base->demod_num = 6;
1756                 state->base->tuner_num = 1;
1757                 state->base->sku_type = MXL_HYDRA_SKU_TYPE_561;
1758                 break;
1759         case MXL_HYDRA_DEVICE_568:
1760                 state->base->can_clkout = 0;
1761                 state->base->demod_num = 8;
1762                 state->base->tuner_num = 1;
1763                 state->base->chan_bond = 1;
1764                 state->base->sku_type = MXL_HYDRA_SKU_TYPE_568;
1765                 break;
1766         case MXL_HYDRA_DEVICE_542:
1767                 state->base->can_clkout = 1;
1768                 state->base->demod_num = 4;
1769                 state->base->tuner_num = 3;
1770                 state->base->sku_type = MXL_HYDRA_SKU_TYPE_542;
1771                 state->base->ts_map = ts_map54x;
1772                 break;
1773         case MXL_HYDRA_DEVICE_TEST:
1774         case MXL_HYDRA_DEVICE_584:
1775         default:
1776                 state->base->can_clkout = 0;
1777                 state->base->demod_num = 8;
1778                 state->base->tuner_num = 4;
1779                 state->base->sku_type = MXL_HYDRA_SKU_TYPE_584;
1780                 break;
1781         }
1782
1783         status = validate_sku(state);
1784         if (status)
1785                 return status;
1786
1787         update_by_mnemonic(state, 0x80030014, 9, 1, 1);
1788         update_by_mnemonic(state, 0x8003003C, 12, 1, 1);
1789         status = read_by_mnemonic(state, 0x80030000, 12, 4, &chipver);
1790         if (status)
1791                 state->base->chipversion = 0;
1792         else
1793                 state->base->chipversion = (chipver == 2) ? 2 : 1;
1794         dev_info(state->i2cdev, "Hydra chip version %u\n",
1795                 state->base->chipversion);
1796
1797         cfg_dev_xtal(state, cfg->clk, cfg->cap, 0);
1798
1799         fw = firmware_is_alive(state);
1800         if (!fw) {
1801                 status = load_fw(state, cfg);
1802                 if (status)
1803                         return status;
1804         }
1805         get_fwinfo(state);
1806
1807         config_mux(state);
1808         mpeg_interface_cfg.enable = MXL_ENABLE;
1809         mpeg_interface_cfg.lsb_or_msb_first = MXL_HYDRA_MPEG_SERIAL_MSB_1ST;
1810         /*  supports only (0-104&139)MHz */
1811         if (cfg->ts_clk)
1812                 mpeg_interface_cfg.max_mpeg_clk_rate = cfg->ts_clk;
1813         else
1814                 mpeg_interface_cfg.max_mpeg_clk_rate = 69; /* 139; */
1815         mpeg_interface_cfg.mpeg_clk_phase = MXL_HYDRA_MPEG_CLK_PHASE_SHIFT_0_DEG;
1816         mpeg_interface_cfg.mpeg_clk_pol = MXL_HYDRA_MPEG_CLK_IN_PHASE;
1817         /* MXL_HYDRA_MPEG_CLK_GAPPED; */
1818         mpeg_interface_cfg.mpeg_clk_type = MXL_HYDRA_MPEG_CLK_CONTINUOUS;
1819         mpeg_interface_cfg.mpeg_error_indication =
1820                 MXL_HYDRA_MPEG_ERR_INDICATION_DISABLED;
1821         mpeg_interface_cfg.mpeg_mode = MXL_HYDRA_MPEG_MODE_SERIAL_3_WIRE;
1822         mpeg_interface_cfg.mpeg_sync_pol  = MXL_HYDRA_MPEG_ACTIVE_HIGH;
1823         mpeg_interface_cfg.mpeg_sync_pulse_width  = MXL_HYDRA_MPEG_SYNC_WIDTH_BIT;
1824         mpeg_interface_cfg.mpeg_valid_pol  = MXL_HYDRA_MPEG_ACTIVE_HIGH;
1825
1826         for (j = 0; j < state->base->demod_num; j++) {
1827                 status = config_ts(state, (enum MXL_HYDRA_DEMOD_ID_E) j,
1828                                    &mpeg_interface_cfg);
1829                 if (status)
1830                         return status;
1831         }
1832         set_drive_strength(state, 1);
1833         return 0;
1834 }
1835
1836 struct dvb_frontend *mxl5xx_attach(struct i2c_adapter *i2c,
1837         struct mxl5xx_cfg *cfg, u32 demod, u32 tuner,
1838         int (**fn_set_input)(struct dvb_frontend *, int))
1839 {
1840         struct mxl *state;
1841         struct mxl_base *base;
1842
1843         state = kzalloc(sizeof(struct mxl), GFP_KERNEL);
1844         if (!state)
1845                 return NULL;
1846
1847         state->demod = demod;
1848         state->tuner = tuner;
1849         state->tuner_in_use = 0xffffffff;
1850         state->i2cdev = &i2c->dev;
1851
1852         base = match_base(i2c, cfg->adr);
1853         if (base) {
1854                 base->count++;
1855                 if (base->count > base->demod_num)
1856                         goto fail;
1857                 state->base = base;
1858         } else {
1859                 base = kzalloc(sizeof(struct mxl_base), GFP_KERNEL);
1860                 if (!base)
1861                         goto fail;
1862                 base->i2c = i2c;
1863                 base->adr = cfg->adr;
1864                 base->type = cfg->type;
1865                 base->count = 1;
1866                 mutex_init(&base->i2c_lock);
1867                 mutex_init(&base->status_lock);
1868                 mutex_init(&base->tune_lock);
1869                 INIT_LIST_HEAD(&base->mxls);
1870
1871                 state->base = base;
1872                 if (probe(state, cfg) < 0) {
1873                         kfree(base);
1874                         goto fail;
1875                 }
1876                 list_add(&base->mxllist, &mxllist);
1877         }
1878         state->fe.ops               = mxl_ops;
1879         state->xbar[0]              = 4;
1880         state->xbar[1]              = demod;
1881         state->xbar[2]              = 8;
1882         state->fe.demodulator_priv  = state;
1883         *fn_set_input               = set_input;
1884
1885         list_add(&state->mxl, &base->mxls);
1886         return &state->fe;
1887
1888 fail:
1889         kfree(state);
1890         return NULL;
1891 }
1892 EXPORT_SYMBOL_GPL(mxl5xx_attach);
1893
1894 MODULE_DESCRIPTION("MaxLinear MxL5xx DVB-S/S2 tuner-demodulator driver");
1895 MODULE_AUTHOR("Ralph and Marcus Metzler, Metzler Brothers Systementwicklung GbR");
1896 MODULE_LICENSE("GPL v2");