1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  * PCTV 452e DVB driver
4  *
5  * Copyright (c) 2006-2008 Dominik Kuhlen <dkuhlen@gmx.net>
6  *
7  * TT connect S2-3650-CI Common Interface support, MAC readout
8  * Copyright (C) 2008 Michael H. Schimek <mschimek@gmx.at>
9  */
10 
11 /* dvb usb framework */
12 #define DVB_USB_LOG_PREFIX "pctv452e"
13 #include "dvb-usb.h"
14 
15 /* Demodulator */
16 #include "stb0899_drv.h"
17 #include "stb0899_reg.h"
18 #include "stb0899_cfg.h"
19 /* Tuner */
20 #include "stb6100.h"
21 #include "stb6100_cfg.h"
22 /* FE Power */
23 #include "lnbp22.h"
24 
25 #include <media/dvb_ca_en50221.h>
26 #include "ttpci-eeprom.h"
27 
28 static int debug;
29 module_param(debug, int, 0644);
30 MODULE_PARM_DESC(debug, "Turn on/off debugging (default:off).");
31 
32 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
33 
34 #define ISOC_INTERFACE_ALTERNATIVE 3
35 
36 #define SYNC_BYTE_OUT 0xaa
37 #define SYNC_BYTE_IN  0x55
38 
39 /* guessed: (copied from ttusb-budget) */
40 #define PCTV_CMD_RESET 0x15
41 /* command to poll IR receiver */
42 #define PCTV_CMD_IR    0x1b
43 /* command to send I2C  */
44 #define PCTV_CMD_I2C   0x31
45 
46 #define I2C_ADDR_STB0899 (0xd0 >> 1)
47 #define I2C_ADDR_STB6100 (0xc0 >> 1)
48 #define I2C_ADDR_LNBP22  (0x10 >> 1)
49 #define I2C_ADDR_24C16   (0xa0 >> 1)
50 #define I2C_ADDR_24C64   (0xa2 >> 1)
51 
52 
53 /* pctv452e sends us this amount of data for each issued usb-command */
54 #define PCTV_ANSWER_LEN 64
55 /* Wait up to 1000ms for device  */
56 #define PCTV_TIMEOUT 1000
57 
58 
59 #define PCTV_LED_GPIO   STB0899_GPIO01
60 #define PCTV_LED_GREEN  0x82
61 #define PCTV_LED_ORANGE 0x02
62 
63 #define ci_dbg(format, arg...)				\
64 do {							\
65 	if (0)						\
66 		printk(KERN_DEBUG DVB_USB_LOG_PREFIX	\
67 			": " format "\n" , ## arg);	\
68 } while (0)
69 
70 enum {
71 	TT3650_CMD_CI_TEST = 0x40,
72 	TT3650_CMD_CI_RD_CTRL,
73 	TT3650_CMD_CI_WR_CTRL,
74 	TT3650_CMD_CI_RD_ATTR,
75 	TT3650_CMD_CI_WR_ATTR,
76 	TT3650_CMD_CI_RESET,
77 	TT3650_CMD_CI_SET_VIDEO_PORT
78 };
79 
80 
81 static struct stb0899_postproc pctv45e_postproc[] = {
82 	{ PCTV_LED_GPIO, STB0899_GPIOPULLUP },
83 	{ 0, 0 }
84 };
85 
86 /*
87  * stores all private variables for communication with the PCTV452e DVB-S2
88  */
89 struct pctv452e_state {
90 	struct dvb_ca_en50221 ca;
91 	struct mutex ca_mutex;
92 
93 	u8 c;	   /* transaction counter, wraps around...  */
94 	u8 initialized; /* set to 1 if 0x15 has been sent */
95 	u16 last_rc_key;
96 };
97 
98 static int tt3650_ci_msg(struct dvb_usb_device *d, u8 cmd, u8 *data,
99 			 unsigned int write_len, unsigned int read_len)
100 {
101 	struct pctv452e_state *state = (struct pctv452e_state *)d->priv;
102 	u8 *buf;
103 	u8 id;
104 	unsigned int rlen;
105 	int ret;
106 
107 	if (!data || (write_len > 64 - 4) || (read_len > 64 - 4)) {
108 		err("%s: transfer data invalid", __func__);
109 		return -EIO;
110 	}
111 
112 	buf = kmalloc(64, GFP_KERNEL);
113 	if (!buf)
114 		return -ENOMEM;
115 
116 	id = state->c++;
117 
118 	buf[0] = SYNC_BYTE_OUT;
119 	buf[1] = id;
120 	buf[2] = cmd;
121 	buf[3] = write_len;
122 
123 	memcpy(buf + 4, data, write_len);
124 
125 	rlen = (read_len > 0) ? 64 : 0;
126 	ret = dvb_usb_generic_rw(d, buf, 4 + write_len,
127 				  buf, rlen, /* delay_ms */ 0);
128 	if (0 != ret)
129 		goto failed;
130 
131 	ret = -EIO;
132 	if (SYNC_BYTE_IN != buf[0] || id != buf[1])
133 		goto failed;
134 
135 	memcpy(data, buf + 4, read_len);
136 
137 	kfree(buf);
138 	return 0;
139 
140 failed:
141 	err("CI error %d; %02X %02X %02X -> %*ph.",
142 	     ret, SYNC_BYTE_OUT, id, cmd, 3, buf);
143 
144 	kfree(buf);
145 	return ret;
146 }
147 
148 static int tt3650_ci_msg_locked(struct dvb_ca_en50221 *ca,
149 				u8 cmd, u8 *data, unsigned int write_len,
150 				unsigned int read_len)
151 {
152 	struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
153 	struct pctv452e_state *state = (struct pctv452e_state *)d->priv;
154 	int ret;
155 
156 	mutex_lock(&state->ca_mutex);
157 	ret = tt3650_ci_msg(d, cmd, data, write_len, read_len);
158 	mutex_unlock(&state->ca_mutex);
159 
160 	return ret;
161 }
162 
163 static int tt3650_ci_read_attribute_mem(struct dvb_ca_en50221 *ca,
164 				 int slot, int address)
165 {
166 	u8 buf[3];
167 	int ret;
168 
169 	if (0 != slot)
170 		return -EINVAL;
171 
172 	buf[0] = (address >> 8) & 0x0F;
173 	buf[1] = address;
174 
175 	ret = tt3650_ci_msg_locked(ca, TT3650_CMD_CI_RD_ATTR, buf, 2, 3);
176 
177 	ci_dbg("%s %04x -> %d 0x%02x",
178 		__func__, address, ret, buf[2]);
179 
180 	if (ret < 0)
181 		return ret;
182 
183 	return buf[2];
184 }
185 
186 static int tt3650_ci_write_attribute_mem(struct dvb_ca_en50221 *ca,
187 				 int slot, int address, u8 value)
188 {
189 	u8 buf[3];
190 
191 	ci_dbg("%s %d 0x%04x 0x%02x",
192 		__func__, slot, address, value);
193 
194 	if (0 != slot)
195 		return -EINVAL;
196 
197 	buf[0] = (address >> 8) & 0x0F;
198 	buf[1] = address;
199 	buf[2] = value;
200 
201 	return tt3650_ci_msg_locked(ca, TT3650_CMD_CI_WR_ATTR, buf, 3, 3);
202 }
203 
204 static int tt3650_ci_read_cam_control(struct dvb_ca_en50221 *ca,
205 				 int			slot,
206 				 u8			address)
207 {
208 	u8 buf[2];
209 	int ret;
210 
211 	if (0 != slot)
212 		return -EINVAL;
213 
214 	buf[0] = address & 3;
215 
216 	ret = tt3650_ci_msg_locked(ca, TT3650_CMD_CI_RD_CTRL, buf, 1, 2);
217 
218 	ci_dbg("%s 0x%02x -> %d 0x%02x",
219 		__func__, address, ret, buf[1]);
220 
221 	if (ret < 0)
222 		return ret;
223 
224 	return buf[1];
225 }
226 
227 static int tt3650_ci_write_cam_control(struct dvb_ca_en50221 *ca,
228 				 int			slot,
229 				 u8			address,
230 				 u8			value)
231 {
232 	u8 buf[2];
233 
234 	ci_dbg("%s %d 0x%02x 0x%02x",
235 		__func__, slot, address, value);
236 
237 	if (0 != slot)
238 		return -EINVAL;
239 
240 	buf[0] = address;
241 	buf[1] = value;
242 
243 	return tt3650_ci_msg_locked(ca, TT3650_CMD_CI_WR_CTRL, buf, 2, 2);
244 }
245 
246 static int tt3650_ci_set_video_port(struct dvb_ca_en50221 *ca,
247 				 int			slot,
248 				 int			enable)
249 {
250 	u8 buf[1];
251 	int ret;
252 
253 	ci_dbg("%s %d %d", __func__, slot, enable);
254 
255 	if (0 != slot)
256 		return -EINVAL;
257 
258 	enable = !!enable;
259 	buf[0] = enable;
260 
261 	ret = tt3650_ci_msg_locked(ca, TT3650_CMD_CI_SET_VIDEO_PORT, buf, 1, 1);
262 	if (ret < 0)
263 		return ret;
264 
265 	if (enable != buf[0]) {
266 		err("CI not %sabled.", enable ? "en" : "dis");
267 		return -EIO;
268 	}
269 
270 	return 0;
271 }
272 
273 static int tt3650_ci_slot_shutdown(struct dvb_ca_en50221 *ca, int slot)
274 {
275 	return tt3650_ci_set_video_port(ca, slot, /* enable */ 0);
276 }
277 
278 static int tt3650_ci_slot_ts_enable(struct dvb_ca_en50221 *ca, int slot)
279 {
280 	return tt3650_ci_set_video_port(ca, slot, /* enable */ 1);
281 }
282 
283 static int tt3650_ci_slot_reset(struct dvb_ca_en50221 *ca, int slot)
284 {
285 	struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
286 	struct pctv452e_state *state = (struct pctv452e_state *)d->priv;
287 	u8 buf[1];
288 	int ret;
289 
290 	ci_dbg("%s %d", __func__, slot);
291 
292 	if (0 != slot)
293 		return -EINVAL;
294 
295 	buf[0] = 0;
296 
297 	mutex_lock(&state->ca_mutex);
298 
299 	ret = tt3650_ci_msg(d, TT3650_CMD_CI_RESET, buf, 1, 1);
300 	if (0 != ret)
301 		goto failed;
302 
303 	msleep(500);
304 
305 	buf[0] = 1;
306 
307 	ret = tt3650_ci_msg(d, TT3650_CMD_CI_RESET, buf, 1, 1);
308 	if (0 != ret)
309 		goto failed;
310 
311 	msleep(500);
312 
313 	buf[0] = 0; /* FTA */
314 
315 	ret = tt3650_ci_msg(d, TT3650_CMD_CI_SET_VIDEO_PORT, buf, 1, 1);
316 
317  failed:
318 	mutex_unlock(&state->ca_mutex);
319 
320 	return ret;
321 }
322 
323 static int tt3650_ci_poll_slot_status(struct dvb_ca_en50221 *ca,
324 				 int			slot,
325 				 int			open)
326 {
327 	u8 buf[1];
328 	int ret;
329 
330 	if (0 != slot)
331 		return -EINVAL;
332 
333 	ret = tt3650_ci_msg_locked(ca, TT3650_CMD_CI_TEST, buf, 0, 1);
334 	if (0 != ret)
335 		return ret;
336 
337 	if (1 == buf[0])
338 		return DVB_CA_EN50221_POLL_CAM_PRESENT |
339 			DVB_CA_EN50221_POLL_CAM_READY;
340 
341 	return 0;
342 
343 }
344 
345 static void tt3650_ci_uninit(struct dvb_usb_device *d)
346 {
347 	struct pctv452e_state *state;
348 
349 	ci_dbg("%s", __func__);
350 
351 	if (NULL == d)
352 		return;
353 
354 	state = (struct pctv452e_state *)d->priv;
355 	if (NULL == state)
356 		return;
357 
358 	if (NULL == state->ca.data)
359 		return;
360 
361 	/* Error ignored. */
362 	tt3650_ci_set_video_port(&state->ca, /* slot */ 0, /* enable */ 0);
363 
364 	dvb_ca_en50221_release(&state->ca);
365 
366 	memset(&state->ca, 0, sizeof(state->ca));
367 }
368 
369 static int tt3650_ci_init(struct dvb_usb_adapter *a)
370 {
371 	struct dvb_usb_device *d = a->dev;
372 	struct pctv452e_state *state = (struct pctv452e_state *)d->priv;
373 	int ret;
374 
375 	ci_dbg("%s", __func__);
376 
377 	mutex_init(&state->ca_mutex);
378 
379 	state->ca.owner = THIS_MODULE;
380 	state->ca.read_attribute_mem = tt3650_ci_read_attribute_mem;
381 	state->ca.write_attribute_mem = tt3650_ci_write_attribute_mem;
382 	state->ca.read_cam_control = tt3650_ci_read_cam_control;
383 	state->ca.write_cam_control = tt3650_ci_write_cam_control;
384 	state->ca.slot_reset = tt3650_ci_slot_reset;
385 	state->ca.slot_shutdown = tt3650_ci_slot_shutdown;
386 	state->ca.slot_ts_enable = tt3650_ci_slot_ts_enable;
387 	state->ca.poll_slot_status = tt3650_ci_poll_slot_status;
388 	state->ca.data = d;
389 
390 	ret = dvb_ca_en50221_init(&a->dvb_adap,
391 				   &state->ca,
392 				   /* flags */ 0,
393 				   /* n_slots */ 1);
394 	if (0 != ret) {
395 		err("Cannot initialize CI: Error %d.", ret);
396 		memset(&state->ca, 0, sizeof(state->ca));
397 		return ret;
398 	}
399 
400 	info("CI initialized.");
401 
402 	return 0;
403 }
404 
405 #define CMD_BUFFER_SIZE 0x28
406 static int pctv452e_i2c_msg(struct dvb_usb_device *d, u8 addr,
407 				const u8 *snd_buf, u8 snd_len,
408 				u8 *rcv_buf, u8 rcv_len)
409 {
410 	struct pctv452e_state *state = (struct pctv452e_state *)d->priv;
411 	u8 *buf;
412 	u8 id;
413 	int ret;
414 
415 	buf = kmalloc(64, GFP_KERNEL);
416 	if (!buf)
417 		return -ENOMEM;
418 
419 	id = state->c++;
420 
421 	ret = -EINVAL;
422 	if (snd_len > 64 - 7 || rcv_len > 64 - 7)
423 		goto failed;
424 
425 	buf[0] = SYNC_BYTE_OUT;
426 	buf[1] = id;
427 	buf[2] = PCTV_CMD_I2C;
428 	buf[3] = snd_len + 3;
429 	buf[4] = addr << 1;
430 	buf[5] = snd_len;
431 	buf[6] = rcv_len;
432 
433 	memcpy(buf + 7, snd_buf, snd_len);
434 
435 	ret = dvb_usb_generic_rw(d, buf, 7 + snd_len,
436 				  buf, /* rcv_len */ 64,
437 				  /* delay_ms */ 0);
438 	if (ret < 0)
439 		goto failed;
440 
441 	/* TT USB protocol error. */
442 	ret = -EIO;
443 	if (SYNC_BYTE_IN != buf[0] || id != buf[1])
444 		goto failed;
445 
446 	/* I2C device didn't respond as expected. */
447 	ret = -EREMOTEIO;
448 	if (buf[5] < snd_len || buf[6] < rcv_len)
449 		goto failed;
450 
451 	memcpy(rcv_buf, buf + 7, rcv_len);
452 
453 	kfree(buf);
454 	return rcv_len;
455 
456 failed:
457 	err("I2C error %d; %02X %02X  %02X %02X %02X -> %*ph",
458 	     ret, SYNC_BYTE_OUT, id, addr << 1, snd_len, rcv_len,
459 	     7, buf);
460 
461 	kfree(buf);
462 	return ret;
463 }
464 
465 static int pctv452e_i2c_xfer(struct i2c_adapter *adapter, struct i2c_msg *msg,
466 				int num)
467 {
468 	struct dvb_usb_device *d = i2c_get_adapdata(adapter);
469 	int i;
470 
471 	if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
472 		return -EAGAIN;
473 
474 	for (i = 0; i < num; i++) {
475 		u8 addr, snd_len, rcv_len, *snd_buf, *rcv_buf;
476 		int ret;
477 
478 		if (msg[i].flags & I2C_M_RD) {
479 			addr = msg[i].addr;
480 			snd_buf = NULL;
481 			snd_len = 0;
482 			rcv_buf = msg[i].buf;
483 			rcv_len = msg[i].len;
484 		} else {
485 			addr = msg[i].addr;
486 			snd_buf = msg[i].buf;
487 			snd_len = msg[i].len;
488 			rcv_buf = NULL;
489 			rcv_len = 0;
490 		}
491 
492 		ret = pctv452e_i2c_msg(d, addr, snd_buf, snd_len, rcv_buf,
493 					rcv_len);
494 		if (ret < rcv_len)
495 			break;
496 	}
497 
498 	mutex_unlock(&d->i2c_mutex);
499 	return i;
500 }
501 
502 static u32 pctv452e_i2c_func(struct i2c_adapter *adapter)
503 {
504 	return I2C_FUNC_I2C;
505 }
506 
507 static int pctv452e_power_ctrl(struct dvb_usb_device *d, int i)
508 {
509 	struct pctv452e_state *state = (struct pctv452e_state *)d->priv;
510 	u8 *b0, *rx;
511 	int ret;
512 
513 	info("%s: %d\n", __func__, i);
514 
515 	if (!i)
516 		return 0;
517 
518 	if (state->initialized)
519 		return 0;
520 
521 	b0 = kmalloc(5 + PCTV_ANSWER_LEN, GFP_KERNEL);
522 	if (!b0)
523 		return -ENOMEM;
524 
525 	rx = b0 + 5;
526 
527 	/* hmm where should this should go? */
528 	ret = usb_set_interface(d->udev, 0, ISOC_INTERFACE_ALTERNATIVE);
529 	if (ret != 0)
530 		info("%s: Warning set interface returned: %d\n",
531 			__func__, ret);
532 
533 	/* this is a one-time initialization, don't know where to put */
534 	b0[0] = 0xaa;
535 	b0[1] = state->c++;
536 	b0[2] = PCTV_CMD_RESET;
537 	b0[3] = 1;
538 	b0[4] = 0;
539 	/* reset board */
540 	ret = dvb_usb_generic_rw(d, b0, 5, rx, PCTV_ANSWER_LEN, 0);
541 	if (ret)
542 		goto ret;
543 
544 	b0[1] = state->c++;
545 	b0[4] = 1;
546 	/* reset board (again?) */
547 	ret = dvb_usb_generic_rw(d, b0, 5, rx, PCTV_ANSWER_LEN, 0);
548 	if (ret)
549 		goto ret;
550 
551 	state->initialized = 1;
552 
553 ret:
554 	kfree(b0);
555 	return ret;
556 }
557 
558 static int pctv452e_rc_query(struct dvb_usb_device *d)
559 {
560 	struct pctv452e_state *state = (struct pctv452e_state *)d->priv;
561 	u8 *b, *rx;
562 	int ret, i;
563 	u8 id;
564 
565 	b = kmalloc(CMD_BUFFER_SIZE + PCTV_ANSWER_LEN, GFP_KERNEL);
566 	if (!b)
567 		return -ENOMEM;
568 
569 	rx = b + CMD_BUFFER_SIZE;
570 
571 	id = state->c++;
572 
573 	/* prepare command header  */
574 	b[0] = SYNC_BYTE_OUT;
575 	b[1] = id;
576 	b[2] = PCTV_CMD_IR;
577 	b[3] = 0;
578 
579 	/* send ir request */
580 	ret = dvb_usb_generic_rw(d, b, 4, rx, PCTV_ANSWER_LEN, 0);
581 	if (ret != 0)
582 		goto ret;
583 
584 	if (debug > 3) {
585 		info("%s: read: %2d: %*ph: ", __func__, ret, 3, rx);
586 		for (i = 0; (i < rx[3]) && ((i+3) < PCTV_ANSWER_LEN); i++)
587 			info(" %02x", rx[i+3]);
588 
589 		info("\n");
590 	}
591 
592 	if ((rx[3] == 9) &&  (rx[12] & 0x01)) {
593 		/* got a "press" event */
594 		state->last_rc_key = RC_SCANCODE_RC5(rx[7], rx[6]);
595 		if (debug > 2)
596 			info("%s: cmd=0x%02x sys=0x%02x\n",
597 				__func__, rx[6], rx[7]);
598 
599 		rc_keydown(d->rc_dev, RC_PROTO_RC5, state->last_rc_key, 0);
600 	} else if (state->last_rc_key) {
601 		rc_keyup(d->rc_dev);
602 		state->last_rc_key = 0;
603 	}
604 ret:
605 	kfree(b);
606 	return ret;
607 }
608 
609 static int pctv452e_read_mac_address(struct dvb_usb_device *d, u8 mac[6])
610 {
611 	const u8 mem_addr[] = { 0x1f, 0xcc };
612 	u8 encoded_mac[20];
613 	int ret;
614 
615 	ret = -EAGAIN;
616 	if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
617 		goto failed;
618 
619 	ret = pctv452e_i2c_msg(d, I2C_ADDR_24C16,
620 				mem_addr + 1, /* snd_len */ 1,
621 				encoded_mac, /* rcv_len */ 20);
622 	if (-EREMOTEIO == ret)
623 		/* Caution! A 24C16 interprets 0xA2 0x1F 0xCC as a
624 		   byte write if /WC is low. */
625 		ret = pctv452e_i2c_msg(d, I2C_ADDR_24C64,
626 					mem_addr, 2,
627 					encoded_mac, 20);
628 
629 	mutex_unlock(&d->i2c_mutex);
630 
631 	if (20 != ret)
632 		goto failed;
633 
634 	ret = ttpci_eeprom_decode_mac(mac, encoded_mac);
635 	if (0 != ret)
636 		goto failed;
637 
638 	return 0;
639 
640 failed:
641 	eth_zero_addr(mac);
642 
643 	return ret;
644 }
645 
646 static const struct stb0899_s1_reg pctv452e_init_dev[] = {
647 	{ STB0899_DISCNTRL1,	0x26 },
648 	{ STB0899_DISCNTRL2,	0x80 },
649 	{ STB0899_DISRX_ST0,	0x04 },
650 	{ STB0899_DISRX_ST1,	0x20 },
651 	{ STB0899_DISPARITY,	0x00 },
652 	{ STB0899_DISFIFO,	0x00 },
653 	{ STB0899_DISF22,	0x99 },
654 	{ STB0899_DISF22RX,	0x85 }, /* 0xa8 */
655 	{ STB0899_ACRPRESC,	0x11 },
656 	{ STB0899_ACRDIV1,	0x0a },
657 	{ STB0899_ACRDIV2,	0x05 },
658 	{ STB0899_DACR1	,	0x00 },
659 	{ STB0899_DACR2	,	0x00 },
660 	{ STB0899_OUTCFG,	0x00 },
661 	{ STB0899_MODECFG,	0x00 }, /* Inversion */
662 	{ STB0899_IRQMSK_3,	0xf3 },
663 	{ STB0899_IRQMSK_2,	0xfc },
664 	{ STB0899_IRQMSK_1,	0xff },
665 	{ STB0899_IRQMSK_0,	0xff },
666 	{ STB0899_I2CCFG,	0x88 },
667 	{ STB0899_I2CRPT,	0x58 },
668 	{ STB0899_GPIO00CFG,	0x82 },
669 	{ STB0899_GPIO01CFG,	0x82 }, /* LED: 0x02 green, 0x82 orange */
670 	{ STB0899_GPIO02CFG,	0x82 },
671 	{ STB0899_GPIO03CFG,	0x82 },
672 	{ STB0899_GPIO04CFG,	0x82 },
673 	{ STB0899_GPIO05CFG,	0x82 },
674 	{ STB0899_GPIO06CFG,	0x82 },
675 	{ STB0899_GPIO07CFG,	0x82 },
676 	{ STB0899_GPIO08CFG,	0x82 },
677 	{ STB0899_GPIO09CFG,	0x82 },
678 	{ STB0899_GPIO10CFG,	0x82 },
679 	{ STB0899_GPIO11CFG,	0x82 },
680 	{ STB0899_GPIO12CFG,	0x82 },
681 	{ STB0899_GPIO13CFG,	0x82 },
682 	{ STB0899_GPIO14CFG,	0x82 },
683 	{ STB0899_GPIO15CFG,	0x82 },
684 	{ STB0899_GPIO16CFG,	0x82 },
685 	{ STB0899_GPIO17CFG,	0x82 },
686 	{ STB0899_GPIO18CFG,	0x82 },
687 	{ STB0899_GPIO19CFG,	0x82 },
688 	{ STB0899_GPIO20CFG,	0x82 },
689 	{ STB0899_SDATCFG,	0xb8 },
690 	{ STB0899_SCLTCFG,	0xba },
691 	{ STB0899_AGCRFCFG,	0x1c }, /* 0x11 DVB-S; 0x1c DVB-S2 (1c, rjkm) */
692 	{ STB0899_GPIO22,	0x82 },
693 	{ STB0899_GPIO21,	0x91 },
694 	{ STB0899_DIRCLKCFG,	0x82 },
695 	{ STB0899_CLKOUT27CFG,	0x7e },
696 	{ STB0899_STDBYCFG,	0x82 },
697 	{ STB0899_CS0CFG,	0x82 },
698 	{ STB0899_CS1CFG,	0x82 },
699 	{ STB0899_DISEQCOCFG,	0x20 },
700 	{ STB0899_NCOARSE,	0x15 }, /* 0x15 27Mhz, F/3 198MHz, F/6 108MHz */
701 	{ STB0899_SYNTCTRL,	0x00 }, /* 0x00 CLKI, 0x02 XTALI */
702 	{ STB0899_FILTCTRL,	0x00 },
703 	{ STB0899_SYSCTRL,	0x00 },
704 	{ STB0899_STOPCLK1,	0x20 }, /* orig: 0x00 budget-ci: 0x20 */
705 	{ STB0899_STOPCLK2,	0x00 },
706 	{ STB0899_INTBUFCTRL,	0x0a },
707 	{ STB0899_AGC2I1,	0x00 },
708 	{ STB0899_AGC2I2,	0x00 },
709 	{ STB0899_AGCIQIN,	0x00 },
710 	{ STB0899_TSTRES,	0x40 }, /* rjkm */
711 	{ 0xffff,		0xff },
712 };
713 
714 static const struct stb0899_s1_reg pctv452e_init_s1_demod[] = {
715 	{ STB0899_DEMOD,	0x00 },
716 	{ STB0899_RCOMPC,	0xc9 },
717 	{ STB0899_AGC1CN,	0x01 },
718 	{ STB0899_AGC1REF,	0x10 },
719 	{ STB0899_RTC,		0x23 },
720 	{ STB0899_TMGCFG,	0x4e },
721 	{ STB0899_AGC2REF,	0x34 },
722 	{ STB0899_TLSR,		0x84 },
723 	{ STB0899_CFD,		0xf7 },
724 	{ STB0899_ACLC,		0x87 },
725 	{ STB0899_BCLC,		0x94 },
726 	{ STB0899_EQON,		0x41 },
727 	{ STB0899_LDT,		0xf1 },
728 	{ STB0899_LDT2,		0xe3 },
729 	{ STB0899_EQUALREF,	0xb4 },
730 	{ STB0899_TMGRAMP,	0x10 },
731 	{ STB0899_TMGTHD,	0x30 },
732 	{ STB0899_IDCCOMP,	0xfd },
733 	{ STB0899_QDCCOMP,	0xff },
734 	{ STB0899_POWERI,	0x0c },
735 	{ STB0899_POWERQ,	0x0f },
736 	{ STB0899_RCOMP,	0x6c },
737 	{ STB0899_AGCIQIN,	0x80 },
738 	{ STB0899_AGC2I1,	0x06 },
739 	{ STB0899_AGC2I2,	0x00 },
740 	{ STB0899_TLIR,		0x30 },
741 	{ STB0899_RTF,		0x7f },
742 	{ STB0899_DSTATUS,	0x00 },
743 	{ STB0899_LDI,		0xbc },
744 	{ STB0899_CFRM,		0xea },
745 	{ STB0899_CFRL,		0x31 },
746 	{ STB0899_NIRM,		0x2b },
747 	{ STB0899_NIRL,		0x80 },
748 	{ STB0899_ISYMB,	0x1d },
749 	{ STB0899_QSYMB,	0xa6 },
750 	{ STB0899_SFRH,		0x2f },
751 	{ STB0899_SFRM,		0x68 },
752 	{ STB0899_SFRL,		0x40 },
753 	{ STB0899_SFRUPH,	0x2f },
754 	{ STB0899_SFRUPM,	0x68 },
755 	{ STB0899_SFRUPL,	0x40 },
756 	{ STB0899_EQUAI1,	0x02 },
757 	{ STB0899_EQUAQ1,	0xff },
758 	{ STB0899_EQUAI2,	0x04 },
759 	{ STB0899_EQUAQ2,	0x05 },
760 	{ STB0899_EQUAI3,	0x02 },
761 	{ STB0899_EQUAQ3,	0xfd },
762 	{ STB0899_EQUAI4,	0x03 },
763 	{ STB0899_EQUAQ4,	0x07 },
764 	{ STB0899_EQUAI5,	0x08 },
765 	{ STB0899_EQUAQ5,	0xf5 },
766 	{ STB0899_DSTATUS2,	0x00 },
767 	{ STB0899_VSTATUS,	0x00 },
768 	{ STB0899_VERROR,	0x86 },
769 	{ STB0899_IQSWAP,	0x2a },
770 	{ STB0899_ECNT1M,	0x00 },
771 	{ STB0899_ECNT1L,	0x00 },
772 	{ STB0899_ECNT2M,	0x00 },
773 	{ STB0899_ECNT2L,	0x00 },
774 	{ STB0899_ECNT3M,	0x0a },
775 	{ STB0899_ECNT3L,	0xad },
776 	{ STB0899_FECAUTO1,	0x06 },
777 	{ STB0899_FECM,		0x01 },
778 	{ STB0899_VTH12,	0xb0 },
779 	{ STB0899_VTH23,	0x7a },
780 	{ STB0899_VTH34,	0x58 },
781 	{ STB0899_VTH56,	0x38 },
782 	{ STB0899_VTH67,	0x34 },
783 	{ STB0899_VTH78,	0x24 },
784 	{ STB0899_PRVIT,	0xff },
785 	{ STB0899_VITSYNC,	0x19 },
786 	{ STB0899_RSULC,	0xb1 }, /* DVB = 0xb1, DSS = 0xa1 */
787 	{ STB0899_TSULC,	0x42 },
788 	{ STB0899_RSLLC,	0x41 },
789 	{ STB0899_TSLPL,	0x12 },
790 	{ STB0899_TSCFGH,	0x0c },
791 	{ STB0899_TSCFGM,	0x00 },
792 	{ STB0899_TSCFGL,	0x00 },
793 	{ STB0899_TSOUT,	0x69 }, /* 0x0d for CAM */
794 	{ STB0899_RSSYNCDEL,	0x00 },
795 	{ STB0899_TSINHDELH,	0x02 },
796 	{ STB0899_TSINHDELM,	0x00 },
797 	{ STB0899_TSINHDELL,	0x00 },
798 	{ STB0899_TSLLSTKM,	0x1b },
799 	{ STB0899_TSLLSTKL,	0xb3 },
800 	{ STB0899_TSULSTKM,	0x00 },
801 	{ STB0899_TSULSTKL,	0x00 },
802 	{ STB0899_PCKLENUL,	0xbc },
803 	{ STB0899_PCKLENLL,	0xcc },
804 	{ STB0899_RSPCKLEN,	0xbd },
805 	{ STB0899_TSSTATUS,	0x90 },
806 	{ STB0899_ERRCTRL1,	0xb6 },
807 	{ STB0899_ERRCTRL2,	0x95 },
808 	{ STB0899_ERRCTRL3,	0x8d },
809 	{ STB0899_DMONMSK1,	0x27 },
810 	{ STB0899_DMONMSK0,	0x03 },
811 	{ STB0899_DEMAPVIT,	0x5c },
812 	{ STB0899_PLPARM,	0x19 },
813 	{ STB0899_PDELCTRL,	0x48 },
814 	{ STB0899_PDELCTRL2,	0x00 },
815 	{ STB0899_BBHCTRL1,	0x00 },
816 	{ STB0899_BBHCTRL2,	0x00 },
817 	{ STB0899_HYSTTHRESH,	0x77 },
818 	{ STB0899_MATCSTM,	0x00 },
819 	{ STB0899_MATCSTL,	0x00 },
820 	{ STB0899_UPLCSTM,	0x00 },
821 	{ STB0899_UPLCSTL,	0x00 },
822 	{ STB0899_DFLCSTM,	0x00 },
823 	{ STB0899_DFLCSTL,	0x00 },
824 	{ STB0899_SYNCCST,	0x00 },
825 	{ STB0899_SYNCDCSTM,	0x00 },
826 	{ STB0899_SYNCDCSTL,	0x00 },
827 	{ STB0899_ISI_ENTRY,	0x00 },
828 	{ STB0899_ISI_BIT_EN,	0x00 },
829 	{ STB0899_MATSTRM,	0xf0 },
830 	{ STB0899_MATSTRL,	0x02 },
831 	{ STB0899_UPLSTRM,	0x45 },
832 	{ STB0899_UPLSTRL,	0x60 },
833 	{ STB0899_DFLSTRM,	0xe3 },
834 	{ STB0899_DFLSTRL,	0x00 },
835 	{ STB0899_SYNCSTR,	0x47 },
836 	{ STB0899_SYNCDSTRM,	0x05 },
837 	{ STB0899_SYNCDSTRL,	0x18 },
838 	{ STB0899_CFGPDELSTATUS1, 0x19 },
839 	{ STB0899_CFGPDELSTATUS2, 0x2b },
840 	{ STB0899_BBFERRORM,	0x00 },
841 	{ STB0899_BBFERRORL,	0x01 },
842 	{ STB0899_UPKTERRORM,	0x00 },
843 	{ STB0899_UPKTERRORL,	0x00 },
844 	{ 0xffff,		0xff },
845 };
846 
847 static struct stb0899_config stb0899_config = {
848 	.init_dev	= pctv452e_init_dev,
849 	.init_s2_demod	= stb0899_s2_init_2,
850 	.init_s1_demod	= pctv452e_init_s1_demod,
851 	.init_s2_fec	= stb0899_s2_init_4,
852 	.init_tst	= stb0899_s1_init_5,
853 
854 	.demod_address   = I2C_ADDR_STB0899, /* I2C Address */
855 	.block_sync_mode = STB0899_SYNC_FORCED, /* ? */
856 
857 	.xtal_freq       = 27000000,	 /* Assume Hz ? */
858 	.inversion       = IQ_SWAP_ON,
859 
860 	.lo_clk	  = 76500000,
861 	.hi_clk	  = 99000000,
862 
863 	.ts_output_mode  = 0,	/* Use parallel mode */
864 	.clock_polarity  = 0,
865 	.data_clk_parity = 0,
866 	.fec_mode	= 0,
867 
868 	.esno_ave	    = STB0899_DVBS2_ESNO_AVE,
869 	.esno_quant	  = STB0899_DVBS2_ESNO_QUANT,
870 	.avframes_coarse     = STB0899_DVBS2_AVFRAMES_COARSE,
871 	.avframes_fine       = STB0899_DVBS2_AVFRAMES_FINE,
872 	.miss_threshold      = STB0899_DVBS2_MISS_THRESHOLD,
873 	.uwp_threshold_acq   = STB0899_DVBS2_UWP_THRESHOLD_ACQ,
874 	.uwp_threshold_track = STB0899_DVBS2_UWP_THRESHOLD_TRACK,
875 	.uwp_threshold_sof   = STB0899_DVBS2_UWP_THRESHOLD_SOF,
876 	.sof_search_timeout  = STB0899_DVBS2_SOF_SEARCH_TIMEOUT,
877 
878 	.btr_nco_bits	  = STB0899_DVBS2_BTR_NCO_BITS,
879 	.btr_gain_shift_offset = STB0899_DVBS2_BTR_GAIN_SHIFT_OFFSET,
880 	.crl_nco_bits	  = STB0899_DVBS2_CRL_NCO_BITS,
881 	.ldpc_max_iter	 = STB0899_DVBS2_LDPC_MAX_ITER,
882 
883 	.tuner_get_frequency	= stb6100_get_frequency,
884 	.tuner_set_frequency	= stb6100_set_frequency,
885 	.tuner_set_bandwidth	= stb6100_set_bandwidth,
886 	.tuner_get_bandwidth	= stb6100_get_bandwidth,
887 	.tuner_set_rfsiggain	= NULL,
888 
889 	/* helper for switching LED green/orange */
890 	.postproc = pctv45e_postproc
891 };
892 
893 static struct stb6100_config stb6100_config = {
894 	.tuner_address = I2C_ADDR_STB6100,
895 	.refclock      = 27000000
896 };
897 
898 
899 static struct i2c_algorithm pctv452e_i2c_algo = {
900 	.master_xfer   = pctv452e_i2c_xfer,
901 	.functionality = pctv452e_i2c_func
902 };
903 
904 static int pctv452e_frontend_attach(struct dvb_usb_adapter *a)
905 {
906 	struct usb_device_id *id;
907 
908 	a->fe_adap[0].fe = dvb_attach(stb0899_attach, &stb0899_config,
909 						&a->dev->i2c_adap);
910 	if (!a->fe_adap[0].fe)
911 		return -ENODEV;
912 
913 	/*
914 	 * dvb_frontend will call dvb_detach for both stb0899_detach
915 	 * and stb0899_release but we only do dvb_attach(stb0899_attach).
916 	 * Increment the module refcount instead.
917 	 */
918 	symbol_get(stb0899_attach);
919 
920 	if ((dvb_attach(lnbp22_attach, a->fe_adap[0].fe,
921 					&a->dev->i2c_adap)) == NULL)
922 		err("Cannot attach lnbp22\n");
923 
924 	id = a->dev->desc->warm_ids[0];
925 	if (USB_VID_TECHNOTREND == id->idVendor
926 	    && USB_PID_TECHNOTREND_CONNECT_S2_3650_CI == id->idProduct)
927 		/* Error ignored. */
928 		tt3650_ci_init(a);
929 
930 	return 0;
931 }
932 
933 static int pctv452e_tuner_attach(struct dvb_usb_adapter *a)
934 {
935 	if (!a->fe_adap[0].fe)
936 		return -ENODEV;
937 	if (dvb_attach(stb6100_attach, a->fe_adap[0].fe, &stb6100_config,
938 					&a->dev->i2c_adap) == NULL) {
939 		err("%s failed\n", __func__);
940 		return -ENODEV;
941 	}
942 
943 	return 0;
944 }
945 
946 static struct usb_device_id pctv452e_usb_table[] = {
947 	{USB_DEVICE(USB_VID_PINNACLE, USB_PID_PCTV_452E)},
948 	{USB_DEVICE(USB_VID_TECHNOTREND, USB_PID_TECHNOTREND_CONNECT_S2_3600)},
949 	{USB_DEVICE(USB_VID_TECHNOTREND,
950 				USB_PID_TECHNOTREND_CONNECT_S2_3650_CI)},
951 	{}
952 };
953 MODULE_DEVICE_TABLE(usb, pctv452e_usb_table);
954 
955 static struct dvb_usb_device_properties pctv452e_properties = {
956 	.caps = DVB_USB_IS_AN_I2C_ADAPTER, /* more ? */
957 	.usb_ctrl = DEVICE_SPECIFIC,
958 
959 	.size_of_priv     = sizeof(struct pctv452e_state),
960 
961 	.power_ctrl       = pctv452e_power_ctrl,
962 
963 	.rc.core = {
964 		.rc_codes	= RC_MAP_DIB0700_RC5_TABLE,
965 		.allowed_protos	= RC_PROTO_BIT_RC5,
966 		.rc_query	= pctv452e_rc_query,
967 		.rc_interval	= 100,
968 	},
969 
970 	.num_adapters     = 1,
971 	.adapter = {{
972 		.num_frontends = 1,
973 		.fe = {{
974 			.frontend_attach  = pctv452e_frontend_attach,
975 			.tuner_attach     = pctv452e_tuner_attach,
976 
977 			/* parameter for the MPEG2-data transfer */
978 			.stream = {
979 				.type     = USB_ISOC,
980 				.count    = 4,
981 				.endpoint = 0x02,
982 				.u = {
983 					.isoc = {
984 						.framesperurb = 4,
985 						.framesize    = 940,
986 						.interval     = 1
987 					}
988 				}
989 			},
990 		} },
991 	} },
992 
993 	.i2c_algo = &pctv452e_i2c_algo,
994 
995 	.generic_bulk_ctrl_endpoint = 1, /* allow generice rw function */
996 
997 	.num_device_descs = 1,
998 	.devices = {
999 		{ .name = "PCTV HDTV USB",
1000 		  .cold_ids = { NULL, NULL }, /* this is a warm only device */
1001 		  .warm_ids = { &pctv452e_usb_table[0], NULL }
1002 		},
1003 		{ NULL },
1004 	}
1005 };
1006 
1007 static struct dvb_usb_device_properties tt_connect_s2_3600_properties = {
1008 	.caps = DVB_USB_IS_AN_I2C_ADAPTER, /* more ? */
1009 	.usb_ctrl = DEVICE_SPECIFIC,
1010 
1011 	.size_of_priv		= sizeof(struct pctv452e_state),
1012 
1013 	.power_ctrl		= pctv452e_power_ctrl,
1014 	.read_mac_address	= pctv452e_read_mac_address,
1015 
1016 	.rc.core = {
1017 		.rc_codes	= RC_MAP_TT_1500,
1018 		.allowed_protos	= RC_PROTO_BIT_RC5,
1019 		.rc_query	= pctv452e_rc_query,
1020 		.rc_interval	= 100,
1021 	},
1022 
1023 	.num_adapters		= 1,
1024 	.adapter = {{
1025 		.num_frontends = 1,
1026 		.fe = {{
1027 			.frontend_attach = pctv452e_frontend_attach,
1028 			.tuner_attach = pctv452e_tuner_attach,
1029 
1030 			/* parameter for the MPEG2-data transfer */
1031 			.stream = {
1032 				.type = USB_ISOC,
1033 				.count = 4,
1034 				.endpoint = 0x02,
1035 				.u = {
1036 					.isoc = {
1037 						.framesperurb = 64,
1038 						.framesize = 940,
1039 						.interval = 1
1040 					}
1041 				}
1042 			},
1043 
1044 		} },
1045 	} },
1046 
1047 	.i2c_algo = &pctv452e_i2c_algo,
1048 
1049 	.generic_bulk_ctrl_endpoint = 1, /* allow generic rw function*/
1050 
1051 	.num_device_descs = 2,
1052 	.devices = {
1053 		{ .name = "Technotrend TT Connect S2-3600",
1054 		  .cold_ids = { NULL, NULL }, /* this is a warm only device */
1055 		  .warm_ids = { &pctv452e_usb_table[1], NULL }
1056 		},
1057 		{ .name = "Technotrend TT Connect S2-3650-CI",
1058 		  .cold_ids = { NULL, NULL },
1059 		  .warm_ids = { &pctv452e_usb_table[2], NULL }
1060 		},
1061 		{ NULL },
1062 	}
1063 };
1064 
1065 static void pctv452e_usb_disconnect(struct usb_interface *intf)
1066 {
1067 	struct dvb_usb_device *d = usb_get_intfdata(intf);
1068 
1069 	tt3650_ci_uninit(d);
1070 	dvb_usb_device_exit(intf);
1071 }
1072 
1073 static int pctv452e_usb_probe(struct usb_interface *intf,
1074 				const struct usb_device_id *id)
1075 {
1076 	if (0 == dvb_usb_device_init(intf, &pctv452e_properties,
1077 					THIS_MODULE, NULL, adapter_nr) ||
1078 	    0 == dvb_usb_device_init(intf, &tt_connect_s2_3600_properties,
1079 					THIS_MODULE, NULL, adapter_nr))
1080 		return 0;
1081 
1082 	return -ENODEV;
1083 }
1084 
1085 static struct usb_driver pctv452e_usb_driver = {
1086 	.name       = "pctv452e",
1087 	.probe      = pctv452e_usb_probe,
1088 	.disconnect = pctv452e_usb_disconnect,
1089 	.id_table   = pctv452e_usb_table,
1090 };
1091 
1092 module_usb_driver(pctv452e_usb_driver);
1093 
1094 MODULE_AUTHOR("Dominik Kuhlen <dkuhlen@gmx.net>");
1095 MODULE_AUTHOR("Andre Weidemann <Andre.Weidemann@web.de>");
1096 MODULE_AUTHOR("Michael H. Schimek <mschimek@gmx.at>");
1097 MODULE_DESCRIPTION("Pinnacle PCTV HDTV USB DVB / TT connect S2-3600 Driver");
1098 MODULE_LICENSE("GPL");
1099