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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 "isl6423.h"
24 #include "lnbp22.h"
25 
26 #include <media/dvb_ca_en50221.h>
27 #include "ttpci-eeprom.h"
28 
29 static int debug;
30 module_param(debug, int, 0644);
31 MODULE_PARM_DESC(debug, "Turn on/off debugging (default:off).");
32 
33 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
34 
35 #define ISOC_INTERFACE_ALTERNATIVE 3
36 
37 #define SYNC_BYTE_OUT 0xaa
38 #define SYNC_BYTE_IN  0x55
39 
40 /* guessed: (copied from ttusb-budget) */
41 #define PCTV_CMD_RESET 0x15
42 /* command to poll IR receiver */
43 #define PCTV_CMD_IR    0x1b
44 /* command to send I2C  */
45 #define PCTV_CMD_I2C   0x31
46 
47 #define I2C_ADDR_STB0899 (0xd0 >> 1)
48 #define I2C_ADDR_STB6100 (0xc0 >> 1)
49 #define I2C_ADDR_LNBP22  (0x10 >> 1)
50 #define I2C_ADDR_24C16   (0xa0 >> 1)
51 #define I2C_ADDR_24C64   (0xa2 >> 1)
52 
53 
54 /* pctv452e sends us this amount of data for each issued usb-command */
55 #define PCTV_ANSWER_LEN 64
56 /* Wait up to 1000ms for device  */
57 #define PCTV_TIMEOUT 1000
58 
59 
60 #define PCTV_LED_GPIO   STB0899_GPIO01
61 #define PCTV_LED_GREEN  0x82
62 #define PCTV_LED_ORANGE 0x02
63 
64 #define ci_dbg(format, arg...)				\
65 do {							\
66 	if (0)						\
67 		printk(KERN_DEBUG DVB_USB_LOG_PREFIX	\
68 			": " format "\n" , ## arg);	\
69 } while (0)
70 
71 enum {
72 	TT3650_CMD_CI_TEST = 0x40,
73 	TT3650_CMD_CI_RD_CTRL,
74 	TT3650_CMD_CI_WR_CTRL,
75 	TT3650_CMD_CI_RD_ATTR,
76 	TT3650_CMD_CI_WR_ATTR,
77 	TT3650_CMD_CI_RESET,
78 	TT3650_CMD_CI_SET_VIDEO_PORT
79 };
80 
81 
82 static struct stb0899_postproc pctv45e_postproc[] = {
83 	{ PCTV_LED_GPIO, STB0899_GPIOPULLUP },
84 	{ 0, 0 }
85 };
86 
87 static struct isl6423_config pctv452e_isl6423_config = {
88 	.current_max		= SEC_CURRENT_515m,
89 	.curlim			= SEC_CURRENT_LIM_ON,
90 	.mod_extern		= 1,
91 	.addr			= 0x08,
92 };
93 
94 /*
95  * stores all private variables for communication with the PCTV452e DVB-S2
96  */
97 struct pctv452e_state {
98 	struct dvb_ca_en50221 ca;
99 	struct mutex ca_mutex;
100 
101 	u8 c;	   /* transaction counter, wraps around...  */
102 	u8 initialized; /* set to 1 if 0x15 has been sent */
103 	u16 last_rc_key;
104 };
105 
tt3650_ci_msg(struct dvb_usb_device * d,u8 cmd,u8 * data,unsigned int write_len,unsigned int read_len)106 static int tt3650_ci_msg(struct dvb_usb_device *d, u8 cmd, u8 *data,
107 			 unsigned int write_len, unsigned int read_len)
108 {
109 	struct pctv452e_state *state = (struct pctv452e_state *)d->priv;
110 	u8 *buf;
111 	u8 id;
112 	unsigned int rlen;
113 	int ret;
114 
115 	if (!data || (write_len > 64 - 4) || (read_len > 64 - 4)) {
116 		err("%s: transfer data invalid", __func__);
117 		return -EIO;
118 	}
119 
120 	buf = kmalloc(64, GFP_KERNEL);
121 	if (!buf)
122 		return -ENOMEM;
123 
124 	id = state->c++;
125 
126 	buf[0] = SYNC_BYTE_OUT;
127 	buf[1] = id;
128 	buf[2] = cmd;
129 	buf[3] = write_len;
130 
131 	memcpy(buf + 4, data, write_len);
132 
133 	rlen = (read_len > 0) ? 64 : 0;
134 	ret = dvb_usb_generic_rw(d, buf, 4 + write_len,
135 				  buf, rlen, /* delay_ms */ 0);
136 	if (0 != ret)
137 		goto failed;
138 
139 	ret = -EIO;
140 	if (SYNC_BYTE_IN != buf[0] || id != buf[1])
141 		goto failed;
142 
143 	memcpy(data, buf + 4, read_len);
144 
145 	kfree(buf);
146 	return 0;
147 
148 failed:
149 	err("CI error %d; %02X %02X %02X -> %*ph.",
150 	     ret, SYNC_BYTE_OUT, id, cmd, 3, buf);
151 
152 	kfree(buf);
153 	return ret;
154 }
155 
tt3650_ci_msg_locked(struct dvb_ca_en50221 * ca,u8 cmd,u8 * data,unsigned int write_len,unsigned int read_len)156 static int tt3650_ci_msg_locked(struct dvb_ca_en50221 *ca,
157 				u8 cmd, u8 *data, unsigned int write_len,
158 				unsigned int read_len)
159 {
160 	struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
161 	struct pctv452e_state *state = (struct pctv452e_state *)d->priv;
162 	int ret;
163 
164 	mutex_lock(&state->ca_mutex);
165 	ret = tt3650_ci_msg(d, cmd, data, write_len, read_len);
166 	mutex_unlock(&state->ca_mutex);
167 
168 	return ret;
169 }
170 
tt3650_ci_read_attribute_mem(struct dvb_ca_en50221 * ca,int slot,int address)171 static int tt3650_ci_read_attribute_mem(struct dvb_ca_en50221 *ca,
172 				 int slot, int address)
173 {
174 	u8 buf[3];
175 	int ret;
176 
177 	if (0 != slot)
178 		return -EINVAL;
179 
180 	buf[0] = (address >> 8) & 0x0F;
181 	buf[1] = address;
182 
183 	ret = tt3650_ci_msg_locked(ca, TT3650_CMD_CI_RD_ATTR, buf, 2, 3);
184 
185 	ci_dbg("%s %04x -> %d 0x%02x",
186 		__func__, address, ret, buf[2]);
187 
188 	if (ret < 0)
189 		return ret;
190 
191 	return buf[2];
192 }
193 
tt3650_ci_write_attribute_mem(struct dvb_ca_en50221 * ca,int slot,int address,u8 value)194 static int tt3650_ci_write_attribute_mem(struct dvb_ca_en50221 *ca,
195 				 int slot, int address, u8 value)
196 {
197 	u8 buf[3];
198 
199 	ci_dbg("%s %d 0x%04x 0x%02x",
200 		__func__, slot, address, value);
201 
202 	if (0 != slot)
203 		return -EINVAL;
204 
205 	buf[0] = (address >> 8) & 0x0F;
206 	buf[1] = address;
207 	buf[2] = value;
208 
209 	return tt3650_ci_msg_locked(ca, TT3650_CMD_CI_WR_ATTR, buf, 3, 3);
210 }
211 
tt3650_ci_read_cam_control(struct dvb_ca_en50221 * ca,int slot,u8 address)212 static int tt3650_ci_read_cam_control(struct dvb_ca_en50221 *ca,
213 				 int			slot,
214 				 u8			address)
215 {
216 	u8 buf[2];
217 	int ret;
218 
219 	if (0 != slot)
220 		return -EINVAL;
221 
222 	buf[0] = address & 3;
223 
224 	ret = tt3650_ci_msg_locked(ca, TT3650_CMD_CI_RD_CTRL, buf, 1, 2);
225 
226 	ci_dbg("%s 0x%02x -> %d 0x%02x",
227 		__func__, address, ret, buf[1]);
228 
229 	if (ret < 0)
230 		return ret;
231 
232 	return buf[1];
233 }
234 
tt3650_ci_write_cam_control(struct dvb_ca_en50221 * ca,int slot,u8 address,u8 value)235 static int tt3650_ci_write_cam_control(struct dvb_ca_en50221 *ca,
236 				 int			slot,
237 				 u8			address,
238 				 u8			value)
239 {
240 	u8 buf[2];
241 
242 	ci_dbg("%s %d 0x%02x 0x%02x",
243 		__func__, slot, address, value);
244 
245 	if (0 != slot)
246 		return -EINVAL;
247 
248 	buf[0] = address;
249 	buf[1] = value;
250 
251 	return tt3650_ci_msg_locked(ca, TT3650_CMD_CI_WR_CTRL, buf, 2, 2);
252 }
253 
tt3650_ci_set_video_port(struct dvb_ca_en50221 * ca,int slot,int enable)254 static int tt3650_ci_set_video_port(struct dvb_ca_en50221 *ca,
255 				 int			slot,
256 				 int			enable)
257 {
258 	u8 buf[1];
259 	int ret;
260 
261 	ci_dbg("%s %d %d", __func__, slot, enable);
262 
263 	if (0 != slot)
264 		return -EINVAL;
265 
266 	enable = !!enable;
267 	buf[0] = enable;
268 
269 	ret = tt3650_ci_msg_locked(ca, TT3650_CMD_CI_SET_VIDEO_PORT, buf, 1, 1);
270 	if (ret < 0)
271 		return ret;
272 
273 	if (enable != buf[0]) {
274 		err("CI not %sabled.", enable ? "en" : "dis");
275 		return -EIO;
276 	}
277 
278 	return 0;
279 }
280 
tt3650_ci_slot_shutdown(struct dvb_ca_en50221 * ca,int slot)281 static int tt3650_ci_slot_shutdown(struct dvb_ca_en50221 *ca, int slot)
282 {
283 	return tt3650_ci_set_video_port(ca, slot, /* enable */ 0);
284 }
285 
tt3650_ci_slot_ts_enable(struct dvb_ca_en50221 * ca,int slot)286 static int tt3650_ci_slot_ts_enable(struct dvb_ca_en50221 *ca, int slot)
287 {
288 	return tt3650_ci_set_video_port(ca, slot, /* enable */ 1);
289 }
290 
tt3650_ci_slot_reset(struct dvb_ca_en50221 * ca,int slot)291 static int tt3650_ci_slot_reset(struct dvb_ca_en50221 *ca, int slot)
292 {
293 	struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
294 	struct pctv452e_state *state = (struct pctv452e_state *)d->priv;
295 	u8 buf[1];
296 	int ret;
297 
298 	ci_dbg("%s %d", __func__, slot);
299 
300 	if (0 != slot)
301 		return -EINVAL;
302 
303 	buf[0] = 0;
304 
305 	mutex_lock(&state->ca_mutex);
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] = 1;
314 
315 	ret = tt3650_ci_msg(d, TT3650_CMD_CI_RESET, buf, 1, 1);
316 	if (0 != ret)
317 		goto failed;
318 
319 	msleep(500);
320 
321 	buf[0] = 0; /* FTA */
322 
323 	ret = tt3650_ci_msg(d, TT3650_CMD_CI_SET_VIDEO_PORT, buf, 1, 1);
324 
325  failed:
326 	mutex_unlock(&state->ca_mutex);
327 
328 	return ret;
329 }
330 
tt3650_ci_poll_slot_status(struct dvb_ca_en50221 * ca,int slot,int open)331 static int tt3650_ci_poll_slot_status(struct dvb_ca_en50221 *ca,
332 				 int			slot,
333 				 int			open)
334 {
335 	u8 buf[1];
336 	int ret;
337 
338 	if (0 != slot)
339 		return -EINVAL;
340 
341 	ret = tt3650_ci_msg_locked(ca, TT3650_CMD_CI_TEST, buf, 0, 1);
342 	if (0 != ret)
343 		return ret;
344 
345 	if (1 == buf[0])
346 		return DVB_CA_EN50221_POLL_CAM_PRESENT |
347 			DVB_CA_EN50221_POLL_CAM_READY;
348 
349 	return 0;
350 
351 }
352 
tt3650_ci_uninit(struct dvb_usb_device * d)353 static void tt3650_ci_uninit(struct dvb_usb_device *d)
354 {
355 	struct pctv452e_state *state;
356 
357 	ci_dbg("%s", __func__);
358 
359 	if (NULL == d)
360 		return;
361 
362 	state = (struct pctv452e_state *)d->priv;
363 	if (NULL == state)
364 		return;
365 
366 	if (NULL == state->ca.data)
367 		return;
368 
369 	/* Error ignored. */
370 	tt3650_ci_set_video_port(&state->ca, /* slot */ 0, /* enable */ 0);
371 
372 	dvb_ca_en50221_release(&state->ca);
373 
374 	memset(&state->ca, 0, sizeof(state->ca));
375 }
376 
tt3650_ci_init(struct dvb_usb_adapter * a)377 static int tt3650_ci_init(struct dvb_usb_adapter *a)
378 {
379 	struct dvb_usb_device *d = a->dev;
380 	struct pctv452e_state *state = (struct pctv452e_state *)d->priv;
381 	int ret;
382 
383 	ci_dbg("%s", __func__);
384 
385 	mutex_init(&state->ca_mutex);
386 
387 	state->ca.owner = THIS_MODULE;
388 	state->ca.read_attribute_mem = tt3650_ci_read_attribute_mem;
389 	state->ca.write_attribute_mem = tt3650_ci_write_attribute_mem;
390 	state->ca.read_cam_control = tt3650_ci_read_cam_control;
391 	state->ca.write_cam_control = tt3650_ci_write_cam_control;
392 	state->ca.slot_reset = tt3650_ci_slot_reset;
393 	state->ca.slot_shutdown = tt3650_ci_slot_shutdown;
394 	state->ca.slot_ts_enable = tt3650_ci_slot_ts_enable;
395 	state->ca.poll_slot_status = tt3650_ci_poll_slot_status;
396 	state->ca.data = d;
397 
398 	ret = dvb_ca_en50221_init(&a->dvb_adap,
399 				   &state->ca,
400 				   /* flags */ 0,
401 				   /* n_slots */ 1);
402 	if (0 != ret) {
403 		err("Cannot initialize CI: Error %d.", ret);
404 		memset(&state->ca, 0, sizeof(state->ca));
405 		return ret;
406 	}
407 
408 	info("CI initialized.");
409 
410 	return 0;
411 }
412 
413 #define CMD_BUFFER_SIZE 0x28
pctv452e_i2c_msg(struct dvb_usb_device * d,u8 addr,const u8 * snd_buf,u8 snd_len,u8 * rcv_buf,u8 rcv_len)414 static int pctv452e_i2c_msg(struct dvb_usb_device *d, u8 addr,
415 				const u8 *snd_buf, u8 snd_len,
416 				u8 *rcv_buf, u8 rcv_len)
417 {
418 	struct pctv452e_state *state = (struct pctv452e_state *)d->priv;
419 	u8 *buf;
420 	u8 id;
421 	int ret;
422 
423 	buf = kmalloc(64, GFP_KERNEL);
424 	if (!buf)
425 		return -ENOMEM;
426 
427 	id = state->c++;
428 
429 	ret = -EINVAL;
430 	if (snd_len > 64 - 7 || rcv_len > 64 - 7)
431 		goto failed;
432 
433 	buf[0] = SYNC_BYTE_OUT;
434 	buf[1] = id;
435 	buf[2] = PCTV_CMD_I2C;
436 	buf[3] = snd_len + 3;
437 	buf[4] = addr << 1;
438 	buf[5] = snd_len;
439 	buf[6] = rcv_len;
440 
441 	memcpy(buf + 7, snd_buf, snd_len);
442 
443 	ret = dvb_usb_generic_rw(d, buf, 7 + snd_len,
444 				  buf, /* rcv_len */ 64,
445 				  /* delay_ms */ 0);
446 	if (ret < 0)
447 		goto failed;
448 
449 	/* TT USB protocol error. */
450 	ret = -EIO;
451 	if (SYNC_BYTE_IN != buf[0] || id != buf[1])
452 		goto failed;
453 
454 	/* I2C device didn't respond as expected. */
455 	ret = -EREMOTEIO;
456 	if (buf[5] < snd_len || buf[6] < rcv_len)
457 		goto failed;
458 
459 	memcpy(rcv_buf, buf + 7, rcv_len);
460 
461 	kfree(buf);
462 	return rcv_len;
463 
464 failed:
465 	err("I2C error %d; %02X %02X  %02X %02X %02X -> %*ph",
466 	     ret, SYNC_BYTE_OUT, id, addr << 1, snd_len, rcv_len,
467 	     7, buf);
468 
469 	kfree(buf);
470 	return ret;
471 }
472 
pctv452e_i2c_xfer(struct i2c_adapter * adapter,struct i2c_msg * msg,int num)473 static int pctv452e_i2c_xfer(struct i2c_adapter *adapter, struct i2c_msg *msg,
474 				int num)
475 {
476 	struct dvb_usb_device *d = i2c_get_adapdata(adapter);
477 	int i;
478 
479 	if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
480 		return -EAGAIN;
481 
482 	for (i = 0; i < num; i++) {
483 		u8 addr, snd_len, rcv_len, *snd_buf, *rcv_buf;
484 		int ret;
485 
486 		if (msg[i].flags & I2C_M_RD) {
487 			addr = msg[i].addr;
488 			snd_buf = NULL;
489 			snd_len = 0;
490 			rcv_buf = msg[i].buf;
491 			rcv_len = msg[i].len;
492 		} else {
493 			addr = msg[i].addr;
494 			snd_buf = msg[i].buf;
495 			snd_len = msg[i].len;
496 			rcv_buf = NULL;
497 			rcv_len = 0;
498 		}
499 
500 		ret = pctv452e_i2c_msg(d, addr, snd_buf, snd_len, rcv_buf,
501 					rcv_len);
502 		if (ret < rcv_len)
503 			break;
504 	}
505 
506 	mutex_unlock(&d->i2c_mutex);
507 	return i;
508 }
509 
pctv452e_i2c_func(struct i2c_adapter * adapter)510 static u32 pctv452e_i2c_func(struct i2c_adapter *adapter)
511 {
512 	return I2C_FUNC_I2C;
513 }
514 
pctv452e_power_ctrl(struct dvb_usb_device * d,int i)515 static int pctv452e_power_ctrl(struct dvb_usb_device *d, int i)
516 {
517 	struct pctv452e_state *state = (struct pctv452e_state *)d->priv;
518 	u8 *b0, *rx;
519 	int ret;
520 
521 	info("%s: %d\n", __func__, i);
522 
523 	if (!i)
524 		return 0;
525 
526 	if (state->initialized)
527 		return 0;
528 
529 	b0 = kmalloc(5 + PCTV_ANSWER_LEN, GFP_KERNEL);
530 	if (!b0)
531 		return -ENOMEM;
532 
533 	rx = b0 + 5;
534 
535 	/* hmm where should this should go? */
536 	ret = usb_set_interface(d->udev, 0, ISOC_INTERFACE_ALTERNATIVE);
537 	if (ret != 0)
538 		info("%s: Warning set interface returned: %d\n",
539 			__func__, ret);
540 
541 	/* this is a one-time initialization, don't know where to put */
542 	b0[0] = 0xaa;
543 	b0[1] = state->c++;
544 	b0[2] = PCTV_CMD_RESET;
545 	b0[3] = 1;
546 	b0[4] = 0;
547 	/* reset board */
548 	ret = dvb_usb_generic_rw(d, b0, 5, rx, PCTV_ANSWER_LEN, 0);
549 	if (ret)
550 		goto ret;
551 
552 	b0[1] = state->c++;
553 	b0[4] = 1;
554 	/* reset board (again?) */
555 	ret = dvb_usb_generic_rw(d, b0, 5, rx, PCTV_ANSWER_LEN, 0);
556 	if (ret)
557 		goto ret;
558 
559 	state->initialized = 1;
560 
561 ret:
562 	kfree(b0);
563 	return ret;
564 }
565 
pctv452e_rc_query(struct dvb_usb_device * d)566 static int pctv452e_rc_query(struct dvb_usb_device *d)
567 {
568 	struct pctv452e_state *state = (struct pctv452e_state *)d->priv;
569 	u8 *b, *rx;
570 	int ret, i;
571 	u8 id;
572 
573 	b = kmalloc(CMD_BUFFER_SIZE + PCTV_ANSWER_LEN, GFP_KERNEL);
574 	if (!b)
575 		return -ENOMEM;
576 
577 	rx = b + CMD_BUFFER_SIZE;
578 
579 	id = state->c++;
580 
581 	/* prepare command header  */
582 	b[0] = SYNC_BYTE_OUT;
583 	b[1] = id;
584 	b[2] = PCTV_CMD_IR;
585 	b[3] = 0;
586 
587 	/* send ir request */
588 	ret = dvb_usb_generic_rw(d, b, 4, rx, PCTV_ANSWER_LEN, 0);
589 	if (ret != 0)
590 		goto ret;
591 
592 	if (debug > 3) {
593 		info("%s: read: %2d: %*ph: ", __func__, ret, 3, rx);
594 		for (i = 0; (i < rx[3]) && ((i+3) < PCTV_ANSWER_LEN); i++)
595 			info(" %02x", rx[i+3]);
596 
597 		info("\n");
598 	}
599 
600 	if ((rx[3] == 9) &&  (rx[12] & 0x01)) {
601 		/* got a "press" event */
602 		state->last_rc_key = RC_SCANCODE_RC5(rx[7], rx[6]);
603 		if (debug > 2)
604 			info("%s: cmd=0x%02x sys=0x%02x\n",
605 				__func__, rx[6], rx[7]);
606 
607 		rc_keydown(d->rc_dev, RC_PROTO_RC5, state->last_rc_key, 0);
608 	} else if (state->last_rc_key) {
609 		rc_keyup(d->rc_dev);
610 		state->last_rc_key = 0;
611 	}
612 ret:
613 	kfree(b);
614 	return ret;
615 }
616 
pctv452e_read_mac_address(struct dvb_usb_device * d,u8 mac[6])617 static int pctv452e_read_mac_address(struct dvb_usb_device *d, u8 mac[6])
618 {
619 	const u8 mem_addr[] = { 0x1f, 0xcc };
620 	u8 encoded_mac[20];
621 	int ret;
622 
623 	ret = -EAGAIN;
624 	if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
625 		goto failed;
626 
627 	ret = pctv452e_i2c_msg(d, I2C_ADDR_24C16,
628 				mem_addr + 1, /* snd_len */ 1,
629 				encoded_mac, /* rcv_len */ 20);
630 	if (-EREMOTEIO == ret)
631 		/* Caution! A 24C16 interprets 0xA2 0x1F 0xCC as a
632 		   byte write if /WC is low. */
633 		ret = pctv452e_i2c_msg(d, I2C_ADDR_24C64,
634 					mem_addr, 2,
635 					encoded_mac, 20);
636 
637 	mutex_unlock(&d->i2c_mutex);
638 
639 	if (20 != ret)
640 		goto failed;
641 
642 	ret = ttpci_eeprom_decode_mac(mac, encoded_mac);
643 	if (0 != ret)
644 		goto failed;
645 
646 	return 0;
647 
648 failed:
649 	eth_zero_addr(mac);
650 
651 	return ret;
652 }
653 
654 static const struct stb0899_s1_reg pctv452e_init_dev[] = {
655 	{ STB0899_DISCNTRL1,	0x26 },
656 	{ STB0899_DISCNTRL2,	0x80 },
657 	{ STB0899_DISRX_ST0,	0x04 },
658 	{ STB0899_DISRX_ST1,	0x20 },
659 	{ STB0899_DISPARITY,	0x00 },
660 	{ STB0899_DISFIFO,	0x00 },
661 	{ STB0899_DISF22,	0x99 },
662 	{ STB0899_DISF22RX,	0x85 }, /* 0xa8 */
663 	{ STB0899_ACRPRESC,	0x11 },
664 	{ STB0899_ACRDIV1,	0x0a },
665 	{ STB0899_ACRDIV2,	0x05 },
666 	{ STB0899_DACR1	,	0x00 },
667 	{ STB0899_DACR2	,	0x00 },
668 	{ STB0899_OUTCFG,	0x00 },
669 	{ STB0899_MODECFG,	0x00 }, /* Inversion */
670 	{ STB0899_IRQMSK_3,	0xf3 },
671 	{ STB0899_IRQMSK_2,	0xfc },
672 	{ STB0899_IRQMSK_1,	0xff },
673 	{ STB0899_IRQMSK_0,	0xff },
674 	{ STB0899_I2CCFG,	0x88 },
675 	{ STB0899_I2CRPT,	0x58 },
676 	{ STB0899_GPIO00CFG,	0x82 },
677 	{ STB0899_GPIO01CFG,	0x82 }, /* LED: 0x02 green, 0x82 orange */
678 	{ STB0899_GPIO02CFG,	0x82 },
679 	{ STB0899_GPIO03CFG,	0x82 },
680 	{ STB0899_GPIO04CFG,	0x82 },
681 	{ STB0899_GPIO05CFG,	0x82 },
682 	{ STB0899_GPIO06CFG,	0x82 },
683 	{ STB0899_GPIO07CFG,	0x82 },
684 	{ STB0899_GPIO08CFG,	0x82 },
685 	{ STB0899_GPIO09CFG,	0x82 },
686 	{ STB0899_GPIO10CFG,	0x82 },
687 	{ STB0899_GPIO11CFG,	0x82 },
688 	{ STB0899_GPIO12CFG,	0x82 },
689 	{ STB0899_GPIO13CFG,	0x82 },
690 	{ STB0899_GPIO14CFG,	0x82 },
691 	{ STB0899_GPIO15CFG,	0x82 },
692 	{ STB0899_GPIO16CFG,	0x82 },
693 	{ STB0899_GPIO17CFG,	0x82 },
694 	{ STB0899_GPIO18CFG,	0x82 },
695 	{ STB0899_GPIO19CFG,	0x82 },
696 	{ STB0899_GPIO20CFG,	0x82 },
697 	{ STB0899_SDATCFG,	0xb8 },
698 	{ STB0899_SCLTCFG,	0xba },
699 	{ STB0899_AGCRFCFG,	0x1c }, /* 0x11 DVB-S; 0x1c DVB-S2 (1c, rjkm) */
700 	{ STB0899_GPIO22,	0x82 },
701 	{ STB0899_GPIO21,	0x91 },
702 	{ STB0899_DIRCLKCFG,	0x82 },
703 	{ STB0899_CLKOUT27CFG,	0x7e },
704 	{ STB0899_STDBYCFG,	0x82 },
705 	{ STB0899_CS0CFG,	0x82 },
706 	{ STB0899_CS1CFG,	0x82 },
707 	{ STB0899_DISEQCOCFG,	0x20 },
708 	{ STB0899_NCOARSE,	0x15 }, /* 0x15 27Mhz, F/3 198MHz, F/6 108MHz */
709 	{ STB0899_SYNTCTRL,	0x00 }, /* 0x00 CLKI, 0x02 XTALI */
710 	{ STB0899_FILTCTRL,	0x00 },
711 	{ STB0899_SYSCTRL,	0x00 },
712 	{ STB0899_STOPCLK1,	0x20 }, /* orig: 0x00 budget-ci: 0x20 */
713 	{ STB0899_STOPCLK2,	0x00 },
714 	{ STB0899_INTBUFCTRL,	0x0a },
715 	{ STB0899_AGC2I1,	0x00 },
716 	{ STB0899_AGC2I2,	0x00 },
717 	{ STB0899_AGCIQIN,	0x00 },
718 	{ STB0899_TSTRES,	0x40 }, /* rjkm */
719 	{ 0xffff,		0xff },
720 };
721 
722 static const struct stb0899_s1_reg pctv452e_init_s1_demod[] = {
723 	{ STB0899_DEMOD,	0x00 },
724 	{ STB0899_RCOMPC,	0xc9 },
725 	{ STB0899_AGC1CN,	0x01 },
726 	{ STB0899_AGC1REF,	0x10 },
727 	{ STB0899_RTC,		0x23 },
728 	{ STB0899_TMGCFG,	0x4e },
729 	{ STB0899_AGC2REF,	0x34 },
730 	{ STB0899_TLSR,		0x84 },
731 	{ STB0899_CFD,		0xf7 },
732 	{ STB0899_ACLC,		0x87 },
733 	{ STB0899_BCLC,		0x94 },
734 	{ STB0899_EQON,		0x41 },
735 	{ STB0899_LDT,		0xf1 },
736 	{ STB0899_LDT2,		0xe3 },
737 	{ STB0899_EQUALREF,	0xb4 },
738 	{ STB0899_TMGRAMP,	0x10 },
739 	{ STB0899_TMGTHD,	0x30 },
740 	{ STB0899_IDCCOMP,	0xfd },
741 	{ STB0899_QDCCOMP,	0xff },
742 	{ STB0899_POWERI,	0x0c },
743 	{ STB0899_POWERQ,	0x0f },
744 	{ STB0899_RCOMP,	0x6c },
745 	{ STB0899_AGCIQIN,	0x80 },
746 	{ STB0899_AGC2I1,	0x06 },
747 	{ STB0899_AGC2I2,	0x00 },
748 	{ STB0899_TLIR,		0x30 },
749 	{ STB0899_RTF,		0x7f },
750 	{ STB0899_DSTATUS,	0x00 },
751 	{ STB0899_LDI,		0xbc },
752 	{ STB0899_CFRM,		0xea },
753 	{ STB0899_CFRL,		0x31 },
754 	{ STB0899_NIRM,		0x2b },
755 	{ STB0899_NIRL,		0x80 },
756 	{ STB0899_ISYMB,	0x1d },
757 	{ STB0899_QSYMB,	0xa6 },
758 	{ STB0899_SFRH,		0x2f },
759 	{ STB0899_SFRM,		0x68 },
760 	{ STB0899_SFRL,		0x40 },
761 	{ STB0899_SFRUPH,	0x2f },
762 	{ STB0899_SFRUPM,	0x68 },
763 	{ STB0899_SFRUPL,	0x40 },
764 	{ STB0899_EQUAI1,	0x02 },
765 	{ STB0899_EQUAQ1,	0xff },
766 	{ STB0899_EQUAI2,	0x04 },
767 	{ STB0899_EQUAQ2,	0x05 },
768 	{ STB0899_EQUAI3,	0x02 },
769 	{ STB0899_EQUAQ3,	0xfd },
770 	{ STB0899_EQUAI4,	0x03 },
771 	{ STB0899_EQUAQ4,	0x07 },
772 	{ STB0899_EQUAI5,	0x08 },
773 	{ STB0899_EQUAQ5,	0xf5 },
774 	{ STB0899_DSTATUS2,	0x00 },
775 	{ STB0899_VSTATUS,	0x00 },
776 	{ STB0899_VERROR,	0x86 },
777 	{ STB0899_IQSWAP,	0x2a },
778 	{ STB0899_ECNT1M,	0x00 },
779 	{ STB0899_ECNT1L,	0x00 },
780 	{ STB0899_ECNT2M,	0x00 },
781 	{ STB0899_ECNT2L,	0x00 },
782 	{ STB0899_ECNT3M,	0x0a },
783 	{ STB0899_ECNT3L,	0xad },
784 	{ STB0899_FECAUTO1,	0x06 },
785 	{ STB0899_FECM,		0x01 },
786 	{ STB0899_VTH12,	0xb0 },
787 	{ STB0899_VTH23,	0x7a },
788 	{ STB0899_VTH34,	0x58 },
789 	{ STB0899_VTH56,	0x38 },
790 	{ STB0899_VTH67,	0x34 },
791 	{ STB0899_VTH78,	0x24 },
792 	{ STB0899_PRVIT,	0xff },
793 	{ STB0899_VITSYNC,	0x19 },
794 	{ STB0899_RSULC,	0xb1 }, /* DVB = 0xb1, DSS = 0xa1 */
795 	{ STB0899_TSULC,	0x42 },
796 	{ STB0899_RSLLC,	0x41 },
797 	{ STB0899_TSLPL,	0x12 },
798 	{ STB0899_TSCFGH,	0x0c },
799 	{ STB0899_TSCFGM,	0x00 },
800 	{ STB0899_TSCFGL,	0x00 },
801 	{ STB0899_TSOUT,	0x69 }, /* 0x0d for CAM */
802 	{ STB0899_RSSYNCDEL,	0x00 },
803 	{ STB0899_TSINHDELH,	0x02 },
804 	{ STB0899_TSINHDELM,	0x00 },
805 	{ STB0899_TSINHDELL,	0x00 },
806 	{ STB0899_TSLLSTKM,	0x1b },
807 	{ STB0899_TSLLSTKL,	0xb3 },
808 	{ STB0899_TSULSTKM,	0x00 },
809 	{ STB0899_TSULSTKL,	0x00 },
810 	{ STB0899_PCKLENUL,	0xbc },
811 	{ STB0899_PCKLENLL,	0xcc },
812 	{ STB0899_RSPCKLEN,	0xbd },
813 	{ STB0899_TSSTATUS,	0x90 },
814 	{ STB0899_ERRCTRL1,	0xb6 },
815 	{ STB0899_ERRCTRL2,	0x95 },
816 	{ STB0899_ERRCTRL3,	0x8d },
817 	{ STB0899_DMONMSK1,	0x27 },
818 	{ STB0899_DMONMSK0,	0x03 },
819 	{ STB0899_DEMAPVIT,	0x5c },
820 	{ STB0899_PLPARM,	0x19 },
821 	{ STB0899_PDELCTRL,	0x48 },
822 	{ STB0899_PDELCTRL2,	0x00 },
823 	{ STB0899_BBHCTRL1,	0x00 },
824 	{ STB0899_BBHCTRL2,	0x00 },
825 	{ STB0899_HYSTTHRESH,	0x77 },
826 	{ STB0899_MATCSTM,	0x00 },
827 	{ STB0899_MATCSTL,	0x00 },
828 	{ STB0899_UPLCSTM,	0x00 },
829 	{ STB0899_UPLCSTL,	0x00 },
830 	{ STB0899_DFLCSTM,	0x00 },
831 	{ STB0899_DFLCSTL,	0x00 },
832 	{ STB0899_SYNCCST,	0x00 },
833 	{ STB0899_SYNCDCSTM,	0x00 },
834 	{ STB0899_SYNCDCSTL,	0x00 },
835 	{ STB0899_ISI_ENTRY,	0x00 },
836 	{ STB0899_ISI_BIT_EN,	0x00 },
837 	{ STB0899_MATSTRM,	0xf0 },
838 	{ STB0899_MATSTRL,	0x02 },
839 	{ STB0899_UPLSTRM,	0x45 },
840 	{ STB0899_UPLSTRL,	0x60 },
841 	{ STB0899_DFLSTRM,	0xe3 },
842 	{ STB0899_DFLSTRL,	0x00 },
843 	{ STB0899_SYNCSTR,	0x47 },
844 	{ STB0899_SYNCDSTRM,	0x05 },
845 	{ STB0899_SYNCDSTRL,	0x18 },
846 	{ STB0899_CFGPDELSTATUS1, 0x19 },
847 	{ STB0899_CFGPDELSTATUS2, 0x2b },
848 	{ STB0899_BBFERRORM,	0x00 },
849 	{ STB0899_BBFERRORL,	0x01 },
850 	{ STB0899_UPKTERRORM,	0x00 },
851 	{ STB0899_UPKTERRORL,	0x00 },
852 	{ 0xffff,		0xff },
853 };
854 
855 static struct stb0899_config stb0899_config = {
856 	.init_dev	= pctv452e_init_dev,
857 	.init_s2_demod	= stb0899_s2_init_2,
858 	.init_s1_demod	= pctv452e_init_s1_demod,
859 	.init_s2_fec	= stb0899_s2_init_4,
860 	.init_tst	= stb0899_s1_init_5,
861 
862 	.demod_address   = I2C_ADDR_STB0899, /* I2C Address */
863 	.block_sync_mode = STB0899_SYNC_FORCED, /* ? */
864 
865 	.xtal_freq       = 27000000,	 /* Assume Hz ? */
866 	.inversion       = IQ_SWAP_ON,
867 
868 	.lo_clk	  = 76500000,
869 	.hi_clk	  = 99000000,
870 
871 	.ts_output_mode  = 0,	/* Use parallel mode */
872 	.clock_polarity  = 0,
873 	.data_clk_parity = 0,
874 	.fec_mode	= 0,
875 
876 	.esno_ave	    = STB0899_DVBS2_ESNO_AVE,
877 	.esno_quant	  = STB0899_DVBS2_ESNO_QUANT,
878 	.avframes_coarse     = STB0899_DVBS2_AVFRAMES_COARSE,
879 	.avframes_fine       = STB0899_DVBS2_AVFRAMES_FINE,
880 	.miss_threshold      = STB0899_DVBS2_MISS_THRESHOLD,
881 	.uwp_threshold_acq   = STB0899_DVBS2_UWP_THRESHOLD_ACQ,
882 	.uwp_threshold_track = STB0899_DVBS2_UWP_THRESHOLD_TRACK,
883 	.uwp_threshold_sof   = STB0899_DVBS2_UWP_THRESHOLD_SOF,
884 	.sof_search_timeout  = STB0899_DVBS2_SOF_SEARCH_TIMEOUT,
885 
886 	.btr_nco_bits	  = STB0899_DVBS2_BTR_NCO_BITS,
887 	.btr_gain_shift_offset = STB0899_DVBS2_BTR_GAIN_SHIFT_OFFSET,
888 	.crl_nco_bits	  = STB0899_DVBS2_CRL_NCO_BITS,
889 	.ldpc_max_iter	 = STB0899_DVBS2_LDPC_MAX_ITER,
890 
891 	.tuner_get_frequency	= stb6100_get_frequency,
892 	.tuner_set_frequency	= stb6100_set_frequency,
893 	.tuner_set_bandwidth	= stb6100_set_bandwidth,
894 	.tuner_get_bandwidth	= stb6100_get_bandwidth,
895 	.tuner_set_rfsiggain	= NULL,
896 
897 	/* helper for switching LED green/orange */
898 	.postproc = pctv45e_postproc
899 };
900 
901 static struct stb6100_config stb6100_config = {
902 	.tuner_address = I2C_ADDR_STB6100,
903 	.refclock      = 27000000
904 };
905 
906 
907 static struct i2c_algorithm pctv452e_i2c_algo = {
908 	.master_xfer   = pctv452e_i2c_xfer,
909 	.functionality = pctv452e_i2c_func
910 };
911 
pctv452e_frontend_attach(struct dvb_usb_adapter * a)912 static int pctv452e_frontend_attach(struct dvb_usb_adapter *a)
913 {
914 	struct usb_device_id *id;
915 
916 	a->fe_adap[0].fe = dvb_attach(stb0899_attach, &stb0899_config,
917 						&a->dev->i2c_adap);
918 	if (!a->fe_adap[0].fe)
919 		return -ENODEV;
920 
921 	id = a->dev->desc->warm_ids[0];
922 	if (id->idVendor == USB_VID_TECHNOTREND &&
923 	    id->idProduct == USB_PID_TECHNOTREND_CONNECT_S2_3650_CI) {
924 		if (dvb_attach(lnbp22_attach,
925 			       a->fe_adap[0].fe,
926 			       &a->dev->i2c_adap) == NULL) {
927 			err("Cannot attach lnbp22\n");
928 		}
929 		/* Error ignored. */
930 		tt3650_ci_init(a);
931 	} else if (dvb_attach(isl6423_attach,
932 			      a->fe_adap[0].fe,
933 			      &a->dev->i2c_adap,
934 			      &pctv452e_isl6423_config) == NULL) {
935 		err("Cannot attach isl6423\n");
936 	}
937 
938 	return 0;
939 }
940 
pctv452e_tuner_attach(struct dvb_usb_adapter * a)941 static int pctv452e_tuner_attach(struct dvb_usb_adapter *a)
942 {
943 	if (!a->fe_adap[0].fe)
944 		return -ENODEV;
945 	if (dvb_attach(stb6100_attach, a->fe_adap[0].fe, &stb6100_config,
946 					&a->dev->i2c_adap) == NULL) {
947 		err("%s failed\n", __func__);
948 		return -ENODEV;
949 	}
950 
951 	return 0;
952 }
953 
954 static struct usb_device_id pctv452e_usb_table[] = {
955 	{USB_DEVICE(USB_VID_PINNACLE, USB_PID_PCTV_452E)},
956 	{USB_DEVICE(USB_VID_TECHNOTREND, USB_PID_TECHNOTREND_CONNECT_S2_3600)},
957 	{USB_DEVICE(USB_VID_TECHNOTREND,
958 				USB_PID_TECHNOTREND_CONNECT_S2_3650_CI)},
959 	{}
960 };
961 MODULE_DEVICE_TABLE(usb, pctv452e_usb_table);
962 
963 static struct dvb_usb_device_properties pctv452e_properties = {
964 	.caps = DVB_USB_IS_AN_I2C_ADAPTER, /* more ? */
965 	.usb_ctrl = DEVICE_SPECIFIC,
966 
967 	.size_of_priv     = sizeof(struct pctv452e_state),
968 
969 	.power_ctrl       = pctv452e_power_ctrl,
970 
971 	.rc.core = {
972 		.rc_codes	= RC_MAP_DIB0700_RC5_TABLE,
973 		.allowed_protos	= RC_PROTO_BIT_RC5,
974 		.rc_query	= pctv452e_rc_query,
975 		.rc_interval	= 100,
976 	},
977 
978 	.num_adapters     = 1,
979 	.adapter = {{
980 		.num_frontends = 1,
981 		.fe = {{
982 			.frontend_attach  = pctv452e_frontend_attach,
983 			.tuner_attach     = pctv452e_tuner_attach,
984 
985 			/* parameter for the MPEG2-data transfer */
986 			.stream = {
987 				.type     = USB_ISOC,
988 				.count    = 4,
989 				.endpoint = 0x02,
990 				.u = {
991 					.isoc = {
992 						.framesperurb = 4,
993 						.framesize    = 940,
994 						.interval     = 1
995 					}
996 				}
997 			},
998 		} },
999 	} },
1000 
1001 	.i2c_algo = &pctv452e_i2c_algo,
1002 
1003 	.generic_bulk_ctrl_endpoint = 1, /* allow generice rw function */
1004 
1005 	.num_device_descs = 1,
1006 	.devices = {
1007 		{ .name = "PCTV HDTV USB",
1008 		  .cold_ids = { NULL, NULL }, /* this is a warm only device */
1009 		  .warm_ids = { &pctv452e_usb_table[0], NULL }
1010 		},
1011 		{ NULL },
1012 	}
1013 };
1014 
1015 static struct dvb_usb_device_properties tt_connect_s2_3600_properties = {
1016 	.caps = DVB_USB_IS_AN_I2C_ADAPTER, /* more ? */
1017 	.usb_ctrl = DEVICE_SPECIFIC,
1018 
1019 	.size_of_priv		= sizeof(struct pctv452e_state),
1020 
1021 	.power_ctrl		= pctv452e_power_ctrl,
1022 	.read_mac_address	= pctv452e_read_mac_address,
1023 
1024 	.rc.core = {
1025 		.rc_codes	= RC_MAP_TT_1500,
1026 		.allowed_protos	= RC_PROTO_BIT_RC5,
1027 		.rc_query	= pctv452e_rc_query,
1028 		.rc_interval	= 100,
1029 	},
1030 
1031 	.num_adapters		= 1,
1032 	.adapter = {{
1033 		.num_frontends = 1,
1034 		.fe = {{
1035 			.frontend_attach = pctv452e_frontend_attach,
1036 			.tuner_attach = pctv452e_tuner_attach,
1037 
1038 			/* parameter for the MPEG2-data transfer */
1039 			.stream = {
1040 				.type = USB_ISOC,
1041 				.count = 4,
1042 				.endpoint = 0x02,
1043 				.u = {
1044 					.isoc = {
1045 						.framesperurb = 64,
1046 						.framesize = 940,
1047 						.interval = 1
1048 					}
1049 				}
1050 			},
1051 
1052 		} },
1053 	} },
1054 
1055 	.i2c_algo = &pctv452e_i2c_algo,
1056 
1057 	.generic_bulk_ctrl_endpoint = 1, /* allow generic rw function*/
1058 
1059 	.num_device_descs = 2,
1060 	.devices = {
1061 		{ .name = "Technotrend TT Connect S2-3600",
1062 		  .cold_ids = { NULL, NULL }, /* this is a warm only device */
1063 		  .warm_ids = { &pctv452e_usb_table[1], NULL }
1064 		},
1065 		{ .name = "Technotrend TT Connect S2-3650-CI",
1066 		  .cold_ids = { NULL, NULL },
1067 		  .warm_ids = { &pctv452e_usb_table[2], NULL }
1068 		},
1069 		{ NULL },
1070 	}
1071 };
1072 
pctv452e_usb_disconnect(struct usb_interface * intf)1073 static void pctv452e_usb_disconnect(struct usb_interface *intf)
1074 {
1075 	struct dvb_usb_device *d = usb_get_intfdata(intf);
1076 
1077 	tt3650_ci_uninit(d);
1078 	dvb_usb_device_exit(intf);
1079 }
1080 
pctv452e_usb_probe(struct usb_interface * intf,const struct usb_device_id * id)1081 static int pctv452e_usb_probe(struct usb_interface *intf,
1082 				const struct usb_device_id *id)
1083 {
1084 	if (0 == dvb_usb_device_init(intf, &pctv452e_properties,
1085 					THIS_MODULE, NULL, adapter_nr) ||
1086 	    0 == dvb_usb_device_init(intf, &tt_connect_s2_3600_properties,
1087 					THIS_MODULE, NULL, adapter_nr))
1088 		return 0;
1089 
1090 	return -ENODEV;
1091 }
1092 
1093 static struct usb_driver pctv452e_usb_driver = {
1094 	.name       = "pctv452e",
1095 	.probe      = pctv452e_usb_probe,
1096 	.disconnect = pctv452e_usb_disconnect,
1097 	.id_table   = pctv452e_usb_table,
1098 };
1099 
1100 module_usb_driver(pctv452e_usb_driver);
1101 
1102 MODULE_AUTHOR("Dominik Kuhlen <dkuhlen@gmx.net>");
1103 MODULE_AUTHOR("Andre Weidemann <Andre.Weidemann@web.de>");
1104 MODULE_AUTHOR("Michael H. Schimek <mschimek@gmx.at>");
1105 MODULE_DESCRIPTION("Pinnacle PCTV HDTV USB DVB / TT connect S2-3600 Driver");
1106 MODULE_LICENSE("GPL");
1107