1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * Afatech AF9035 DVB USB driver
4 *
5 * Copyright (C) 2009 Antti Palosaari <[email protected]>
6 * Copyright (C) 2012 Antti Palosaari <[email protected]>
7 */
8
9 #include "af9035.h"
10
11 /* Max transfer size done by I2C transfer functions */
12 #define MAX_XFER_SIZE 64
13
14 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
15
af9035_checksum(const u8 * buf,size_t len)16 static u16 af9035_checksum(const u8 *buf, size_t len)
17 {
18 size_t i;
19 u16 checksum = 0;
20
21 for (i = 1; i < len; i++) {
22 if (i % 2)
23 checksum += buf[i] << 8;
24 else
25 checksum += buf[i];
26 }
27 checksum = ~checksum;
28
29 return checksum;
30 }
31
af9035_ctrl_msg(struct dvb_usb_device * d,struct usb_req * req)32 static int af9035_ctrl_msg(struct dvb_usb_device *d, struct usb_req *req)
33 {
34 #define REQ_HDR_LEN 4 /* send header size */
35 #define ACK_HDR_LEN 3 /* rece header size */
36 #define CHECKSUM_LEN 2
37 #define USB_TIMEOUT 2000
38 struct state *state = d_to_priv(d);
39 struct usb_interface *intf = d->intf;
40 int ret, wlen, rlen;
41 u16 checksum, tmp_checksum;
42
43 mutex_lock(&d->usb_mutex);
44
45 /* buffer overflow check */
46 if (req->wlen > (BUF_LEN - REQ_HDR_LEN - CHECKSUM_LEN) ||
47 req->rlen > (BUF_LEN - ACK_HDR_LEN - CHECKSUM_LEN)) {
48 dev_err(&intf->dev, "too much data wlen=%d rlen=%d\n",
49 req->wlen, req->rlen);
50 ret = -EINVAL;
51 goto exit;
52 }
53
54 state->buf[0] = REQ_HDR_LEN + req->wlen + CHECKSUM_LEN - 1;
55 state->buf[1] = req->mbox;
56 state->buf[2] = req->cmd;
57 state->buf[3] = state->seq++;
58 memcpy(&state->buf[REQ_HDR_LEN], req->wbuf, req->wlen);
59
60 wlen = REQ_HDR_LEN + req->wlen + CHECKSUM_LEN;
61 rlen = ACK_HDR_LEN + req->rlen + CHECKSUM_LEN;
62
63 /* calc and add checksum */
64 checksum = af9035_checksum(state->buf, state->buf[0] - 1);
65 state->buf[state->buf[0] - 1] = (checksum >> 8);
66 state->buf[state->buf[0] - 0] = (checksum & 0xff);
67
68 /* no ack for these packets */
69 if (req->cmd == CMD_FW_DL)
70 rlen = 0;
71
72 ret = dvb_usbv2_generic_rw_locked(d,
73 state->buf, wlen, state->buf, rlen);
74 if (ret)
75 goto exit;
76
77 /* no ack for those packets */
78 if (req->cmd == CMD_FW_DL)
79 goto exit;
80
81 /* verify checksum */
82 checksum = af9035_checksum(state->buf, rlen - 2);
83 tmp_checksum = (state->buf[rlen - 2] << 8) | state->buf[rlen - 1];
84 if (tmp_checksum != checksum) {
85 dev_err(&intf->dev, "command=%02x checksum mismatch (%04x != %04x)\n",
86 req->cmd, tmp_checksum, checksum);
87 ret = -EIO;
88 goto exit;
89 }
90
91 /* check status */
92 if (state->buf[2]) {
93 /* fw returns status 1 when IR code was not received */
94 if (req->cmd == CMD_IR_GET || state->buf[2] == 1) {
95 ret = 1;
96 goto exit;
97 }
98
99 dev_dbg(&intf->dev, "command=%02x failed fw error=%d\n",
100 req->cmd, state->buf[2]);
101 ret = -EIO;
102 goto exit;
103 }
104
105 /* read request, copy returned data to return buf */
106 if (req->rlen)
107 memcpy(req->rbuf, &state->buf[ACK_HDR_LEN], req->rlen);
108 exit:
109 mutex_unlock(&d->usb_mutex);
110 return ret;
111 }
112
113 /* write multiple registers */
af9035_wr_regs(struct dvb_usb_device * d,u32 reg,u8 * val,int len)114 static int af9035_wr_regs(struct dvb_usb_device *d, u32 reg, u8 *val, int len)
115 {
116 struct usb_interface *intf = d->intf;
117 u8 wbuf[MAX_XFER_SIZE];
118 u8 mbox = (reg >> 16) & 0xff;
119 struct usb_req req = { CMD_MEM_WR, mbox, 6 + len, wbuf, 0, NULL };
120
121 if (6 + len > sizeof(wbuf)) {
122 dev_warn(&intf->dev, "i2c wr: len=%d is too big!\n", len);
123 return -EOPNOTSUPP;
124 }
125
126 wbuf[0] = len;
127 wbuf[1] = 2;
128 wbuf[2] = 0;
129 wbuf[3] = 0;
130 wbuf[4] = (reg >> 8) & 0xff;
131 wbuf[5] = (reg >> 0) & 0xff;
132 memcpy(&wbuf[6], val, len);
133
134 return af9035_ctrl_msg(d, &req);
135 }
136
137 /* read multiple registers */
af9035_rd_regs(struct dvb_usb_device * d,u32 reg,u8 * val,int len)138 static int af9035_rd_regs(struct dvb_usb_device *d, u32 reg, u8 *val, int len)
139 {
140 u8 wbuf[] = { len, 2, 0, 0, (reg >> 8) & 0xff, reg & 0xff };
141 u8 mbox = (reg >> 16) & 0xff;
142 struct usb_req req = { CMD_MEM_RD, mbox, sizeof(wbuf), wbuf, len, val };
143
144 return af9035_ctrl_msg(d, &req);
145 }
146
147 /* write single register */
af9035_wr_reg(struct dvb_usb_device * d,u32 reg,u8 val)148 static int af9035_wr_reg(struct dvb_usb_device *d, u32 reg, u8 val)
149 {
150 return af9035_wr_regs(d, reg, &val, 1);
151 }
152
153 /* read single register */
af9035_rd_reg(struct dvb_usb_device * d,u32 reg,u8 * val)154 static int af9035_rd_reg(struct dvb_usb_device *d, u32 reg, u8 *val)
155 {
156 return af9035_rd_regs(d, reg, val, 1);
157 }
158
159 /* write single register with mask */
af9035_wr_reg_mask(struct dvb_usb_device * d,u32 reg,u8 val,u8 mask)160 static int af9035_wr_reg_mask(struct dvb_usb_device *d, u32 reg, u8 val,
161 u8 mask)
162 {
163 int ret;
164 u8 tmp;
165
166 /* no need for read if whole reg is written */
167 if (mask != 0xff) {
168 ret = af9035_rd_regs(d, reg, &tmp, 1);
169 if (ret)
170 return ret;
171
172 val &= mask;
173 tmp &= ~mask;
174 val |= tmp;
175 }
176
177 return af9035_wr_regs(d, reg, &val, 1);
178 }
179
af9035_add_i2c_dev(struct dvb_usb_device * d,const char * type,u8 addr,void * platform_data,struct i2c_adapter * adapter)180 static int af9035_add_i2c_dev(struct dvb_usb_device *d, const char *type,
181 u8 addr, void *platform_data, struct i2c_adapter *adapter)
182 {
183 int ret, num;
184 struct state *state = d_to_priv(d);
185 struct usb_interface *intf = d->intf;
186 struct i2c_client *client;
187 struct i2c_board_info board_info = {
188 .addr = addr,
189 .platform_data = platform_data,
190 };
191
192 strscpy(board_info.type, type, I2C_NAME_SIZE);
193
194 /* find first free client */
195 for (num = 0; num < AF9035_I2C_CLIENT_MAX; num++) {
196 if (state->i2c_client[num] == NULL)
197 break;
198 }
199
200 dev_dbg(&intf->dev, "num=%d\n", num);
201
202 if (num == AF9035_I2C_CLIENT_MAX) {
203 dev_err(&intf->dev, "I2C client out of index\n");
204 ret = -ENODEV;
205 goto err;
206 }
207
208 request_module("%s", board_info.type);
209
210 /* register I2C device */
211 client = i2c_new_client_device(adapter, &board_info);
212 if (!i2c_client_has_driver(client)) {
213 dev_err(&intf->dev, "failed to bind i2c device to %s driver\n", type);
214 ret = -ENODEV;
215 goto err;
216 }
217
218 /* increase I2C driver usage count */
219 if (!try_module_get(client->dev.driver->owner)) {
220 i2c_unregister_device(client);
221 ret = -ENODEV;
222 goto err;
223 }
224
225 state->i2c_client[num] = client;
226 return 0;
227 err:
228 dev_dbg(&intf->dev, "failed=%d\n", ret);
229 return ret;
230 }
231
af9035_del_i2c_dev(struct dvb_usb_device * d)232 static void af9035_del_i2c_dev(struct dvb_usb_device *d)
233 {
234 int num;
235 struct state *state = d_to_priv(d);
236 struct usb_interface *intf = d->intf;
237 struct i2c_client *client;
238
239 /* find last used client */
240 num = AF9035_I2C_CLIENT_MAX;
241 while (num--) {
242 if (state->i2c_client[num] != NULL)
243 break;
244 }
245
246 dev_dbg(&intf->dev, "num=%d\n", num);
247
248 if (num == -1) {
249 dev_err(&intf->dev, "I2C client out of index\n");
250 goto err;
251 }
252
253 client = state->i2c_client[num];
254
255 /* decrease I2C driver usage count */
256 module_put(client->dev.driver->owner);
257
258 /* unregister I2C device */
259 i2c_unregister_device(client);
260
261 state->i2c_client[num] = NULL;
262 return;
263 err:
264 dev_dbg(&intf->dev, "failed\n");
265 }
266
af9035_i2c_master_xfer(struct i2c_adapter * adap,struct i2c_msg msg[],int num)267 static int af9035_i2c_master_xfer(struct i2c_adapter *adap,
268 struct i2c_msg msg[], int num)
269 {
270 struct dvb_usb_device *d = i2c_get_adapdata(adap);
271 struct state *state = d_to_priv(d);
272 int ret;
273
274 if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
275 return -EAGAIN;
276
277 /*
278 * AF9035 I2C sub header is 5 bytes long. Meaning of those bytes are:
279 * 0: data len
280 * 1: I2C addr << 1
281 * 2: reg addr len
282 * byte 3 and 4 can be used as reg addr
283 * 3: reg addr MSB
284 * used when reg addr len is set to 2
285 * 4: reg addr LSB
286 * used when reg addr len is set to 1 or 2
287 *
288 * For the simplify we do not use register addr at all.
289 * NOTE: As a firmware knows tuner type there is very small possibility
290 * there could be some tuner I2C hacks done by firmware and this may
291 * lead problems if firmware expects those bytes are used.
292 *
293 * TODO: Here is few hacks. AF9035 chip integrates AF9033 demodulator.
294 * IT9135 chip integrates AF9033 demodulator and RF tuner. For dual
295 * tuner devices, there is also external AF9033 demodulator connected
296 * via external I2C bus. All AF9033 demod I2C traffic, both single and
297 * dual tuner configuration, is covered by firmware - actual USB IO
298 * looks just like a memory access.
299 * In case of IT913x chip, there is own tuner driver. It is implemented
300 * currently as a I2C driver, even tuner IP block is likely build
301 * directly into the demodulator memory space and there is no own I2C
302 * bus. I2C subsystem does not allow register multiple devices to same
303 * bus, having same slave address. Due to that we reuse demod address,
304 * shifted by one bit, on that case.
305 *
306 * For IT930x we use a different command and the sub header is
307 * different as well:
308 * 0: data len
309 * 1: I2C bus (0x03 seems to be only value used)
310 * 2: I2C addr << 1
311 */
312 #define AF9035_IS_I2C_XFER_WRITE_READ(_msg, _num) \
313 (_num == 2 && !(_msg[0].flags & I2C_M_RD) && (_msg[1].flags & I2C_M_RD))
314 #define AF9035_IS_I2C_XFER_WRITE(_msg, _num) \
315 (_num == 1 && !(_msg[0].flags & I2C_M_RD))
316 #define AF9035_IS_I2C_XFER_READ(_msg, _num) \
317 (_num == 1 && (_msg[0].flags & I2C_M_RD))
318
319 if (AF9035_IS_I2C_XFER_WRITE_READ(msg, num)) {
320 if (msg[0].len > 40 || msg[1].len > 40) {
321 /* TODO: correct limits > 40 */
322 ret = -EOPNOTSUPP;
323 } else if ((msg[0].addr == state->af9033_i2c_addr[0]) ||
324 (msg[0].addr == state->af9033_i2c_addr[1])) {
325 /* demod access via firmware interface */
326 u32 reg;
327
328 if (msg[0].len < 3 || msg[1].len < 1) {
329 ret = -EOPNOTSUPP;
330 goto unlock;
331 }
332
333 reg = msg[0].buf[0] << 16 | msg[0].buf[1] << 8 |
334 msg[0].buf[2];
335
336 if (msg[0].addr == state->af9033_i2c_addr[1])
337 reg |= 0x100000;
338
339 ret = af9035_rd_regs(d, reg, &msg[1].buf[0],
340 msg[1].len);
341 } else if (state->no_read) {
342 memset(msg[1].buf, 0, msg[1].len);
343 ret = 0;
344 } else {
345 /* I2C write + read */
346 u8 buf[MAX_XFER_SIZE];
347 struct usb_req req = { CMD_I2C_RD, 0, 5 + msg[0].len,
348 buf, msg[1].len, msg[1].buf };
349
350 if (state->chip_type == 0x9306) {
351 req.cmd = CMD_GENERIC_I2C_RD;
352 req.wlen = 3 + msg[0].len;
353 }
354 req.mbox |= ((msg[0].addr & 0x80) >> 3);
355
356 buf[0] = msg[1].len;
357 if (state->chip_type == 0x9306) {
358 buf[1] = 0x03; /* I2C bus */
359 buf[2] = msg[0].addr << 1;
360 memcpy(&buf[3], msg[0].buf, msg[0].len);
361 } else {
362 buf[1] = msg[0].addr << 1;
363 buf[3] = 0x00; /* reg addr MSB */
364 buf[4] = 0x00; /* reg addr LSB */
365
366 /* Keep prev behavior for write req len > 2*/
367 if (msg[0].len > 2) {
368 buf[2] = 0x00; /* reg addr len */
369 memcpy(&buf[5], msg[0].buf, msg[0].len);
370
371 /* Use reg addr fields if write req len <= 2 */
372 } else {
373 req.wlen = 5;
374 buf[2] = msg[0].len;
375 if (msg[0].len == 2) {
376 buf[3] = msg[0].buf[0];
377 buf[4] = msg[0].buf[1];
378 } else if (msg[0].len == 1) {
379 buf[4] = msg[0].buf[0];
380 }
381 }
382 }
383 ret = af9035_ctrl_msg(d, &req);
384 }
385 } else if (AF9035_IS_I2C_XFER_WRITE(msg, num)) {
386 if (msg[0].len > 40) {
387 /* TODO: correct limits > 40 */
388 ret = -EOPNOTSUPP;
389 } else if ((msg[0].addr == state->af9033_i2c_addr[0]) ||
390 (msg[0].addr == state->af9033_i2c_addr[1])) {
391 /* demod access via firmware interface */
392 u32 reg;
393
394 if (msg[0].len < 3) {
395 ret = -EOPNOTSUPP;
396 goto unlock;
397 }
398
399 reg = msg[0].buf[0] << 16 | msg[0].buf[1] << 8 |
400 msg[0].buf[2];
401
402 if (msg[0].addr == state->af9033_i2c_addr[1])
403 reg |= 0x100000;
404
405 ret = af9035_wr_regs(d, reg, &msg[0].buf[3], msg[0].len - 3);
406 } else {
407 /* I2C write */
408 u8 buf[MAX_XFER_SIZE];
409 struct usb_req req = { CMD_I2C_WR, 0, 5 + msg[0].len,
410 buf, 0, NULL };
411
412 if (state->chip_type == 0x9306) {
413 req.cmd = CMD_GENERIC_I2C_WR;
414 req.wlen = 3 + msg[0].len;
415 }
416
417 req.mbox |= ((msg[0].addr & 0x80) >> 3);
418 buf[0] = msg[0].len;
419 if (state->chip_type == 0x9306) {
420 buf[1] = 0x03; /* I2C bus */
421 buf[2] = msg[0].addr << 1;
422 memcpy(&buf[3], msg[0].buf, msg[0].len);
423 } else {
424 buf[1] = msg[0].addr << 1;
425 buf[2] = 0x00; /* reg addr len */
426 buf[3] = 0x00; /* reg addr MSB */
427 buf[4] = 0x00; /* reg addr LSB */
428 memcpy(&buf[5], msg[0].buf, msg[0].len);
429 }
430 ret = af9035_ctrl_msg(d, &req);
431 }
432 } else if (AF9035_IS_I2C_XFER_READ(msg, num)) {
433 if (msg[0].len > 40) {
434 /* TODO: correct limits > 40 */
435 ret = -EOPNOTSUPP;
436 } else if (state->no_read) {
437 memset(msg[0].buf, 0, msg[0].len);
438 ret = 0;
439 } else {
440 /* I2C read */
441 u8 buf[5];
442 struct usb_req req = { CMD_I2C_RD, 0, sizeof(buf),
443 buf, msg[0].len, msg[0].buf };
444
445 if (state->chip_type == 0x9306) {
446 req.cmd = CMD_GENERIC_I2C_RD;
447 req.wlen = 3;
448 }
449 req.mbox |= ((msg[0].addr & 0x80) >> 3);
450 buf[0] = msg[0].len;
451 if (state->chip_type == 0x9306) {
452 buf[1] = 0x03; /* I2C bus */
453 buf[2] = msg[0].addr << 1;
454 } else {
455 buf[1] = msg[0].addr << 1;
456 buf[2] = 0x00; /* reg addr len */
457 buf[3] = 0x00; /* reg addr MSB */
458 buf[4] = 0x00; /* reg addr LSB */
459 }
460 ret = af9035_ctrl_msg(d, &req);
461 }
462 } else {
463 /*
464 * We support only three kind of I2C transactions:
465 * 1) 1 x write + 1 x read (repeated start)
466 * 2) 1 x write
467 * 3) 1 x read
468 */
469 ret = -EOPNOTSUPP;
470 }
471
472 unlock:
473 mutex_unlock(&d->i2c_mutex);
474
475 if (ret < 0)
476 return ret;
477 else
478 return num;
479 }
480
af9035_i2c_functionality(struct i2c_adapter * adapter)481 static u32 af9035_i2c_functionality(struct i2c_adapter *adapter)
482 {
483 return I2C_FUNC_I2C;
484 }
485
486 static struct i2c_algorithm af9035_i2c_algo = {
487 .master_xfer = af9035_i2c_master_xfer,
488 .functionality = af9035_i2c_functionality,
489 };
490
af9035_identify_state(struct dvb_usb_device * d,const char ** name)491 static int af9035_identify_state(struct dvb_usb_device *d, const char **name)
492 {
493 struct state *state = d_to_priv(d);
494 struct usb_interface *intf = d->intf;
495 int ret, i, ts_mode_invalid;
496 unsigned int utmp, eeprom_addr;
497 u8 tmp;
498 u8 wbuf[1] = { 1 };
499 u8 rbuf[4];
500 struct usb_req req = { CMD_FW_QUERYINFO, 0, sizeof(wbuf), wbuf,
501 sizeof(rbuf), rbuf };
502
503 ret = af9035_rd_regs(d, 0x1222, rbuf, 3);
504 if (ret < 0)
505 goto err;
506
507 state->chip_version = rbuf[0];
508 state->chip_type = rbuf[2] << 8 | rbuf[1] << 0;
509
510 ret = af9035_rd_reg(d, 0x384f, &state->prechip_version);
511 if (ret < 0)
512 goto err;
513
514 dev_info(&intf->dev, "prechip_version=%02x chip_version=%02x chip_type=%04x\n",
515 state->prechip_version, state->chip_version, state->chip_type);
516
517 if (state->chip_type == 0x9135) {
518 if (state->chip_version == 0x02) {
519 *name = AF9035_FIRMWARE_IT9135_V2;
520 utmp = 0x00461d;
521 } else {
522 *name = AF9035_FIRMWARE_IT9135_V1;
523 utmp = 0x00461b;
524 }
525
526 /* Check if eeprom exists */
527 ret = af9035_rd_reg(d, utmp, &tmp);
528 if (ret < 0)
529 goto err;
530
531 if (tmp == 0x00) {
532 dev_dbg(&intf->dev, "no eeprom\n");
533 state->no_eeprom = true;
534 goto check_firmware_status;
535 }
536
537 eeprom_addr = EEPROM_BASE_IT9135;
538 } else if (state->chip_type == 0x9306) {
539 *name = AF9035_FIRMWARE_IT9303;
540 state->no_eeprom = true;
541 goto check_firmware_status;
542 } else {
543 *name = AF9035_FIRMWARE_AF9035;
544 eeprom_addr = EEPROM_BASE_AF9035;
545 }
546
547 /* Read and store eeprom */
548 for (i = 0; i < 256; i += 32) {
549 ret = af9035_rd_regs(d, eeprom_addr + i, &state->eeprom[i], 32);
550 if (ret < 0)
551 goto err;
552 }
553
554 dev_dbg(&intf->dev, "eeprom dump:\n");
555 for (i = 0; i < 256; i += 16)
556 dev_dbg(&intf->dev, "%*ph\n", 16, &state->eeprom[i]);
557
558 /* check for dual tuner mode */
559 tmp = state->eeprom[EEPROM_TS_MODE];
560 ts_mode_invalid = 0;
561 switch (tmp) {
562 case 0:
563 break;
564 case 1:
565 case 3:
566 state->dual_mode = true;
567 break;
568 case 5:
569 if (state->chip_type != 0x9135 && state->chip_type != 0x9306)
570 state->dual_mode = true; /* AF9035 */
571 else
572 ts_mode_invalid = 1;
573 break;
574 default:
575 ts_mode_invalid = 1;
576 }
577
578 dev_dbg(&intf->dev, "ts mode=%d dual mode=%d\n", tmp, state->dual_mode);
579
580 if (ts_mode_invalid)
581 dev_info(&intf->dev, "ts mode=%d not supported, defaulting to single tuner mode!", tmp);
582
583 check_firmware_status:
584 ret = af9035_ctrl_msg(d, &req);
585 if (ret < 0)
586 goto err;
587
588 dev_dbg(&intf->dev, "reply=%*ph\n", 4, rbuf);
589 if (rbuf[0] || rbuf[1] || rbuf[2] || rbuf[3])
590 ret = WARM;
591 else
592 ret = COLD;
593
594 return ret;
595
596 err:
597 dev_dbg(&intf->dev, "failed=%d\n", ret);
598
599 return ret;
600 }
601
af9035_download_firmware_old(struct dvb_usb_device * d,const struct firmware * fw)602 static int af9035_download_firmware_old(struct dvb_usb_device *d,
603 const struct firmware *fw)
604 {
605 struct usb_interface *intf = d->intf;
606 int ret, i, j, len;
607 u8 wbuf[1];
608 struct usb_req req = { 0, 0, 0, NULL, 0, NULL };
609 struct usb_req req_fw_dl = { CMD_FW_DL, 0, 0, wbuf, 0, NULL };
610 u8 hdr_core;
611 u16 hdr_addr, hdr_data_len, hdr_checksum;
612 #define MAX_DATA 58
613 #define HDR_SIZE 7
614
615 /*
616 * Thanks to Daniel Glöckner <[email protected]> about that info!
617 *
618 * byte 0: MCS 51 core
619 * There are two inside the AF9035 (1=Link and 2=OFDM) with separate
620 * address spaces
621 * byte 1-2: Big endian destination address
622 * byte 3-4: Big endian number of data bytes following the header
623 * byte 5-6: Big endian header checksum, apparently ignored by the chip
624 * Calculated as ~(h[0]*256+h[1]+h[2]*256+h[3]+h[4]*256)
625 */
626
627 for (i = fw->size; i > HDR_SIZE;) {
628 hdr_core = fw->data[fw->size - i + 0];
629 hdr_addr = fw->data[fw->size - i + 1] << 8;
630 hdr_addr |= fw->data[fw->size - i + 2] << 0;
631 hdr_data_len = fw->data[fw->size - i + 3] << 8;
632 hdr_data_len |= fw->data[fw->size - i + 4] << 0;
633 hdr_checksum = fw->data[fw->size - i + 5] << 8;
634 hdr_checksum |= fw->data[fw->size - i + 6] << 0;
635
636 dev_dbg(&intf->dev, "core=%d addr=%04x data_len=%d checksum=%04x\n",
637 hdr_core, hdr_addr, hdr_data_len, hdr_checksum);
638
639 if (((hdr_core != 1) && (hdr_core != 2)) ||
640 (hdr_data_len > i)) {
641 dev_dbg(&intf->dev, "bad firmware\n");
642 break;
643 }
644
645 /* download begin packet */
646 req.cmd = CMD_FW_DL_BEGIN;
647 ret = af9035_ctrl_msg(d, &req);
648 if (ret < 0)
649 goto err;
650
651 /* download firmware packet(s) */
652 for (j = HDR_SIZE + hdr_data_len; j > 0; j -= MAX_DATA) {
653 len = j;
654 if (len > MAX_DATA)
655 len = MAX_DATA;
656 req_fw_dl.wlen = len;
657 req_fw_dl.wbuf = (u8 *) &fw->data[fw->size - i +
658 HDR_SIZE + hdr_data_len - j];
659 ret = af9035_ctrl_msg(d, &req_fw_dl);
660 if (ret < 0)
661 goto err;
662 }
663
664 /* download end packet */
665 req.cmd = CMD_FW_DL_END;
666 ret = af9035_ctrl_msg(d, &req);
667 if (ret < 0)
668 goto err;
669
670 i -= hdr_data_len + HDR_SIZE;
671
672 dev_dbg(&intf->dev, "data uploaded=%zu\n", fw->size - i);
673 }
674
675 /* print warn if firmware is bad, continue and see what happens */
676 if (i)
677 dev_warn(&intf->dev, "bad firmware\n");
678
679 return 0;
680
681 err:
682 dev_dbg(&intf->dev, "failed=%d\n", ret);
683
684 return ret;
685 }
686
af9035_download_firmware_new(struct dvb_usb_device * d,const struct firmware * fw)687 static int af9035_download_firmware_new(struct dvb_usb_device *d,
688 const struct firmware *fw)
689 {
690 struct usb_interface *intf = d->intf;
691 int ret, i, i_prev;
692 struct usb_req req_fw_dl = { CMD_FW_SCATTER_WR, 0, 0, NULL, 0, NULL };
693 #define HDR_SIZE 7
694
695 /*
696 * There seems to be following firmware header. Meaning of bytes 0-3
697 * is unknown.
698 *
699 * 0: 3
700 * 1: 0, 1
701 * 2: 0
702 * 3: 1, 2, 3
703 * 4: addr MSB
704 * 5: addr LSB
705 * 6: count of data bytes ?
706 */
707 for (i = HDR_SIZE, i_prev = 0; i <= fw->size; i++) {
708 if (i == fw->size ||
709 (fw->data[i + 0] == 0x03 &&
710 (fw->data[i + 1] == 0x00 ||
711 fw->data[i + 1] == 0x01) &&
712 fw->data[i + 2] == 0x00)) {
713 req_fw_dl.wlen = i - i_prev;
714 req_fw_dl.wbuf = (u8 *) &fw->data[i_prev];
715 i_prev = i;
716 ret = af9035_ctrl_msg(d, &req_fw_dl);
717 if (ret < 0)
718 goto err;
719
720 dev_dbg(&intf->dev, "data uploaded=%d\n", i);
721 }
722 }
723
724 return 0;
725
726 err:
727 dev_dbg(&intf->dev, "failed=%d\n", ret);
728
729 return ret;
730 }
731
af9035_download_firmware(struct dvb_usb_device * d,const struct firmware * fw)732 static int af9035_download_firmware(struct dvb_usb_device *d,
733 const struct firmware *fw)
734 {
735 struct usb_interface *intf = d->intf;
736 struct state *state = d_to_priv(d);
737 int ret;
738 u8 wbuf[1];
739 u8 rbuf[4];
740 u8 tmp;
741 struct usb_req req = { 0, 0, 0, NULL, 0, NULL };
742 struct usb_req req_fw_ver = { CMD_FW_QUERYINFO, 0, 1, wbuf, 4, rbuf };
743
744 dev_dbg(&intf->dev, "\n");
745
746 /*
747 * In case of dual tuner configuration we need to do some extra
748 * initialization in order to download firmware to slave demod too,
749 * which is done by master demod.
750 * Master feeds also clock and controls power via GPIO.
751 */
752 if (state->dual_mode) {
753 /* configure gpioh1, reset & power slave demod */
754 ret = af9035_wr_reg_mask(d, 0x00d8b0, 0x01, 0x01);
755 if (ret < 0)
756 goto err;
757
758 ret = af9035_wr_reg_mask(d, 0x00d8b1, 0x01, 0x01);
759 if (ret < 0)
760 goto err;
761
762 ret = af9035_wr_reg_mask(d, 0x00d8af, 0x00, 0x01);
763 if (ret < 0)
764 goto err;
765
766 usleep_range(10000, 50000);
767
768 ret = af9035_wr_reg_mask(d, 0x00d8af, 0x01, 0x01);
769 if (ret < 0)
770 goto err;
771
772 /* tell the slave I2C address */
773 tmp = state->eeprom[EEPROM_2ND_DEMOD_ADDR];
774
775 /* Use default I2C address if eeprom has no address set */
776 if (!tmp)
777 tmp = 0x1d << 1; /* 8-bit format used by chip */
778
779 if ((state->chip_type == 0x9135) ||
780 (state->chip_type == 0x9306)) {
781 ret = af9035_wr_reg(d, 0x004bfb, tmp);
782 if (ret < 0)
783 goto err;
784 } else {
785 ret = af9035_wr_reg(d, 0x00417f, tmp);
786 if (ret < 0)
787 goto err;
788
789 /* enable clock out */
790 ret = af9035_wr_reg_mask(d, 0x00d81a, 0x01, 0x01);
791 if (ret < 0)
792 goto err;
793 }
794 }
795
796 if (fw->data[0] == 0x01)
797 ret = af9035_download_firmware_old(d, fw);
798 else
799 ret = af9035_download_firmware_new(d, fw);
800 if (ret < 0)
801 goto err;
802
803 /* firmware loaded, request boot */
804 req.cmd = CMD_FW_BOOT;
805 ret = af9035_ctrl_msg(d, &req);
806 if (ret < 0)
807 goto err;
808
809 /* ensure firmware starts */
810 wbuf[0] = 1;
811 ret = af9035_ctrl_msg(d, &req_fw_ver);
812 if (ret < 0)
813 goto err;
814
815 if (!(rbuf[0] || rbuf[1] || rbuf[2] || rbuf[3])) {
816 dev_err(&intf->dev, "firmware did not run\n");
817 ret = -ENODEV;
818 goto err;
819 }
820
821 dev_info(&intf->dev, "firmware version=%d.%d.%d.%d",
822 rbuf[0], rbuf[1], rbuf[2], rbuf[3]);
823
824 return 0;
825
826 err:
827 dev_dbg(&intf->dev, "failed=%d\n", ret);
828
829 return ret;
830 }
831
af9035_read_config(struct dvb_usb_device * d)832 static int af9035_read_config(struct dvb_usb_device *d)
833 {
834 struct usb_interface *intf = d->intf;
835 struct state *state = d_to_priv(d);
836 int ret, i;
837 u8 tmp;
838 u16 tmp16;
839
840 /* Demod I2C address */
841 state->af9033_i2c_addr[0] = 0x1c;
842 state->af9033_i2c_addr[1] = 0x1d;
843 state->af9033_config[0].adc_multiplier = AF9033_ADC_MULTIPLIER_2X;
844 state->af9033_config[1].adc_multiplier = AF9033_ADC_MULTIPLIER_2X;
845 state->af9033_config[0].ts_mode = AF9033_TS_MODE_USB;
846 state->af9033_config[1].ts_mode = AF9033_TS_MODE_SERIAL;
847 state->it930x_addresses = 0;
848
849 if (state->chip_type == 0x9135) {
850 /* feed clock for integrated RF tuner */
851 state->af9033_config[0].dyn0_clk = true;
852 state->af9033_config[1].dyn0_clk = true;
853
854 if (state->chip_version == 0x02) {
855 state->af9033_config[0].tuner = AF9033_TUNER_IT9135_60;
856 state->af9033_config[1].tuner = AF9033_TUNER_IT9135_60;
857 } else {
858 state->af9033_config[0].tuner = AF9033_TUNER_IT9135_38;
859 state->af9033_config[1].tuner = AF9033_TUNER_IT9135_38;
860 }
861
862 if (state->no_eeprom) {
863 /* Remote controller to NEC polling by default */
864 state->ir_mode = 0x05;
865 state->ir_type = 0x00;
866
867 goto skip_eeprom;
868 }
869 } else if (state->chip_type == 0x9306) {
870 /*
871 * IT930x is an USB bridge, only single demod-single tuner
872 * configurations seen so far.
873 */
874 if ((le16_to_cpu(d->udev->descriptor.idVendor) == USB_VID_AVERMEDIA) &&
875 (le16_to_cpu(d->udev->descriptor.idProduct) == USB_PID_AVERMEDIA_TD310)) {
876 state->it930x_addresses = 1;
877 /* TD310 RC works with NEC defaults */
878 state->ir_mode = 0x05;
879 state->ir_type = 0x00;
880 }
881 return 0;
882 }
883
884 /* Remote controller */
885 state->ir_mode = state->eeprom[EEPROM_IR_MODE];
886 state->ir_type = state->eeprom[EEPROM_IR_TYPE];
887
888 if (state->dual_mode) {
889 /* Read 2nd demodulator I2C address. 8-bit format on eeprom */
890 tmp = state->eeprom[EEPROM_2ND_DEMOD_ADDR];
891 if (tmp)
892 state->af9033_i2c_addr[1] = tmp >> 1;
893
894 dev_dbg(&intf->dev, "2nd demod I2C addr=%02x\n",
895 state->af9033_i2c_addr[1]);
896 }
897
898 for (i = 0; i < state->dual_mode + 1; i++) {
899 unsigned int eeprom_offset = 0;
900
901 /* tuner */
902 tmp = state->eeprom[EEPROM_1_TUNER_ID + eeprom_offset];
903 dev_dbg(&intf->dev, "[%d]tuner=%02x\n", i, tmp);
904
905 /* tuner sanity check */
906 if (state->chip_type == 0x9135) {
907 if (state->chip_version == 0x02) {
908 /* IT9135 BX (v2) */
909 switch (tmp) {
910 case AF9033_TUNER_IT9135_60:
911 case AF9033_TUNER_IT9135_61:
912 case AF9033_TUNER_IT9135_62:
913 state->af9033_config[i].tuner = tmp;
914 break;
915 }
916 } else {
917 /* IT9135 AX (v1) */
918 switch (tmp) {
919 case AF9033_TUNER_IT9135_38:
920 case AF9033_TUNER_IT9135_51:
921 case AF9033_TUNER_IT9135_52:
922 state->af9033_config[i].tuner = tmp;
923 break;
924 }
925 }
926 } else {
927 /* AF9035 */
928 state->af9033_config[i].tuner = tmp;
929 }
930
931 if (state->af9033_config[i].tuner != tmp) {
932 dev_info(&intf->dev, "[%d] overriding tuner from %02x to %02x\n",
933 i, tmp, state->af9033_config[i].tuner);
934 }
935
936 switch (state->af9033_config[i].tuner) {
937 case AF9033_TUNER_TUA9001:
938 case AF9033_TUNER_FC0011:
939 case AF9033_TUNER_MXL5007T:
940 case AF9033_TUNER_TDA18218:
941 case AF9033_TUNER_FC2580:
942 case AF9033_TUNER_FC0012:
943 state->af9033_config[i].spec_inv = 1;
944 break;
945 case AF9033_TUNER_IT9135_38:
946 case AF9033_TUNER_IT9135_51:
947 case AF9033_TUNER_IT9135_52:
948 case AF9033_TUNER_IT9135_60:
949 case AF9033_TUNER_IT9135_61:
950 case AF9033_TUNER_IT9135_62:
951 break;
952 default:
953 dev_warn(&intf->dev, "tuner id=%02x not supported, please report!",
954 tmp);
955 }
956
957 /* disable dual mode if driver does not support it */
958 if (i == 1)
959 switch (state->af9033_config[i].tuner) {
960 case AF9033_TUNER_FC0012:
961 case AF9033_TUNER_IT9135_38:
962 case AF9033_TUNER_IT9135_51:
963 case AF9033_TUNER_IT9135_52:
964 case AF9033_TUNER_IT9135_60:
965 case AF9033_TUNER_IT9135_61:
966 case AF9033_TUNER_IT9135_62:
967 case AF9033_TUNER_MXL5007T:
968 break;
969 default:
970 state->dual_mode = false;
971 dev_info(&intf->dev, "driver does not support 2nd tuner and will disable it");
972 }
973
974 /* tuner IF frequency */
975 tmp = state->eeprom[EEPROM_1_IF_L + eeprom_offset];
976 tmp16 = tmp << 0;
977 tmp = state->eeprom[EEPROM_1_IF_H + eeprom_offset];
978 tmp16 |= tmp << 8;
979 dev_dbg(&intf->dev, "[%d]IF=%d\n", i, tmp16);
980
981 eeprom_offset += 0x10; /* shift for the 2nd tuner params */
982 }
983
984 skip_eeprom:
985 /* get demod clock */
986 ret = af9035_rd_reg(d, 0x00d800, &tmp);
987 if (ret < 0)
988 goto err;
989
990 tmp = (tmp >> 0) & 0x0f;
991
992 for (i = 0; i < ARRAY_SIZE(state->af9033_config); i++) {
993 if (state->chip_type == 0x9135)
994 state->af9033_config[i].clock = clock_lut_it9135[tmp];
995 else
996 state->af9033_config[i].clock = clock_lut_af9035[tmp];
997 }
998
999 state->no_read = false;
1000 /* Some MXL5007T devices cannot properly handle tuner I2C read ops. */
1001 if (state->af9033_config[0].tuner == AF9033_TUNER_MXL5007T &&
1002 le16_to_cpu(d->udev->descriptor.idVendor) == USB_VID_AVERMEDIA)
1003
1004 switch (le16_to_cpu(d->udev->descriptor.idProduct)) {
1005 case USB_PID_AVERMEDIA_A867:
1006 case USB_PID_AVERMEDIA_TWINSTAR:
1007 dev_info(&intf->dev,
1008 "Device may have issues with I2C read operations. Enabling fix.\n");
1009 state->no_read = true;
1010 break;
1011 }
1012
1013 return 0;
1014
1015 err:
1016 dev_dbg(&intf->dev, "failed=%d\n", ret);
1017
1018 return ret;
1019 }
1020
af9035_tua9001_tuner_callback(struct dvb_usb_device * d,int cmd,int arg)1021 static int af9035_tua9001_tuner_callback(struct dvb_usb_device *d,
1022 int cmd, int arg)
1023 {
1024 struct usb_interface *intf = d->intf;
1025 int ret;
1026 u8 val;
1027
1028 dev_dbg(&intf->dev, "cmd=%d arg=%d\n", cmd, arg);
1029
1030 /*
1031 * CEN always enabled by hardware wiring
1032 * RESETN GPIOT3
1033 * RXEN GPIOT2
1034 */
1035
1036 switch (cmd) {
1037 case TUA9001_CMD_RESETN:
1038 if (arg)
1039 val = 0x00;
1040 else
1041 val = 0x01;
1042
1043 ret = af9035_wr_reg_mask(d, 0x00d8e7, val, 0x01);
1044 if (ret < 0)
1045 goto err;
1046 break;
1047 case TUA9001_CMD_RXEN:
1048 if (arg)
1049 val = 0x01;
1050 else
1051 val = 0x00;
1052
1053 ret = af9035_wr_reg_mask(d, 0x00d8eb, val, 0x01);
1054 if (ret < 0)
1055 goto err;
1056 break;
1057 }
1058
1059 return 0;
1060
1061 err:
1062 dev_dbg(&intf->dev, "failed=%d\n", ret);
1063
1064 return ret;
1065 }
1066
1067
af9035_fc0011_tuner_callback(struct dvb_usb_device * d,int cmd,int arg)1068 static int af9035_fc0011_tuner_callback(struct dvb_usb_device *d,
1069 int cmd, int arg)
1070 {
1071 struct usb_interface *intf = d->intf;
1072 int ret;
1073
1074 switch (cmd) {
1075 case FC0011_FE_CALLBACK_POWER:
1076 /* Tuner enable */
1077 ret = af9035_wr_reg_mask(d, 0xd8eb, 1, 1);
1078 if (ret < 0)
1079 goto err;
1080
1081 ret = af9035_wr_reg_mask(d, 0xd8ec, 1, 1);
1082 if (ret < 0)
1083 goto err;
1084
1085 ret = af9035_wr_reg_mask(d, 0xd8ed, 1, 1);
1086 if (ret < 0)
1087 goto err;
1088
1089 /* LED */
1090 ret = af9035_wr_reg_mask(d, 0xd8d0, 1, 1);
1091 if (ret < 0)
1092 goto err;
1093
1094 ret = af9035_wr_reg_mask(d, 0xd8d1, 1, 1);
1095 if (ret < 0)
1096 goto err;
1097
1098 usleep_range(10000, 50000);
1099 break;
1100 case FC0011_FE_CALLBACK_RESET:
1101 ret = af9035_wr_reg(d, 0xd8e9, 1);
1102 if (ret < 0)
1103 goto err;
1104
1105 ret = af9035_wr_reg(d, 0xd8e8, 1);
1106 if (ret < 0)
1107 goto err;
1108
1109 ret = af9035_wr_reg(d, 0xd8e7, 1);
1110 if (ret < 0)
1111 goto err;
1112
1113 usleep_range(10000, 20000);
1114
1115 ret = af9035_wr_reg(d, 0xd8e7, 0);
1116 if (ret < 0)
1117 goto err;
1118
1119 usleep_range(10000, 20000);
1120 break;
1121 default:
1122 ret = -EINVAL;
1123 goto err;
1124 }
1125
1126 return 0;
1127
1128 err:
1129 dev_dbg(&intf->dev, "failed=%d\n", ret);
1130
1131 return ret;
1132 }
1133
af9035_tuner_callback(struct dvb_usb_device * d,int cmd,int arg)1134 static int af9035_tuner_callback(struct dvb_usb_device *d, int cmd, int arg)
1135 {
1136 struct state *state = d_to_priv(d);
1137
1138 switch (state->af9033_config[0].tuner) {
1139 case AF9033_TUNER_FC0011:
1140 return af9035_fc0011_tuner_callback(d, cmd, arg);
1141 case AF9033_TUNER_TUA9001:
1142 return af9035_tua9001_tuner_callback(d, cmd, arg);
1143 default:
1144 break;
1145 }
1146
1147 return 0;
1148 }
1149
af9035_frontend_callback(void * adapter_priv,int component,int cmd,int arg)1150 static int af9035_frontend_callback(void *adapter_priv, int component,
1151 int cmd, int arg)
1152 {
1153 struct i2c_adapter *adap = adapter_priv;
1154 struct dvb_usb_device *d = i2c_get_adapdata(adap);
1155 struct usb_interface *intf = d->intf;
1156
1157 dev_dbg(&intf->dev, "component=%d cmd=%d arg=%d\n",
1158 component, cmd, arg);
1159
1160 switch (component) {
1161 case DVB_FRONTEND_COMPONENT_TUNER:
1162 return af9035_tuner_callback(d, cmd, arg);
1163 default:
1164 break;
1165 }
1166
1167 return 0;
1168 }
1169
af9035_get_adapter_count(struct dvb_usb_device * d)1170 static int af9035_get_adapter_count(struct dvb_usb_device *d)
1171 {
1172 struct state *state = d_to_priv(d);
1173
1174 return state->dual_mode + 1;
1175 }
1176
af9035_frontend_attach(struct dvb_usb_adapter * adap)1177 static int af9035_frontend_attach(struct dvb_usb_adapter *adap)
1178 {
1179 struct state *state = adap_to_priv(adap);
1180 struct dvb_usb_device *d = adap_to_d(adap);
1181 struct usb_interface *intf = d->intf;
1182 int ret;
1183
1184 dev_dbg(&intf->dev, "adap->id=%d\n", adap->id);
1185
1186 if (!state->af9033_config[adap->id].tuner) {
1187 /* unsupported tuner */
1188 ret = -ENODEV;
1189 goto err;
1190 }
1191
1192 state->af9033_config[adap->id].fe = &adap->fe[0];
1193 state->af9033_config[adap->id].ops = &state->ops;
1194 ret = af9035_add_i2c_dev(d, "af9033", state->af9033_i2c_addr[adap->id],
1195 &state->af9033_config[adap->id], &d->i2c_adap);
1196 if (ret)
1197 goto err;
1198
1199 if (adap->fe[0] == NULL) {
1200 ret = -ENODEV;
1201 goto err;
1202 }
1203
1204 /* disable I2C-gate */
1205 adap->fe[0]->ops.i2c_gate_ctrl = NULL;
1206 adap->fe[0]->callback = af9035_frontend_callback;
1207
1208 return 0;
1209
1210 err:
1211 dev_dbg(&intf->dev, "failed=%d\n", ret);
1212
1213 return ret;
1214 }
1215
1216 /*
1217 * The I2C speed register is calculated with:
1218 * I2C speed register = (1000000000 / (24.4 * 16 * I2C_speed))
1219 *
1220 * The default speed register for it930x is 7, with means a
1221 * speed of ~366 kbps
1222 */
1223 #define I2C_SPEED_366K 7
1224
it930x_frontend_attach(struct dvb_usb_adapter * adap)1225 static int it930x_frontend_attach(struct dvb_usb_adapter *adap)
1226 {
1227 struct state *state = adap_to_priv(adap);
1228 struct dvb_usb_device *d = adap_to_d(adap);
1229 struct usb_interface *intf = d->intf;
1230 int ret;
1231 struct si2168_config si2168_config;
1232 struct i2c_adapter *adapter;
1233
1234 dev_dbg(&intf->dev, "adap->id=%d\n", adap->id);
1235
1236 /* I2C master bus 2 clock speed 366k */
1237 ret = af9035_wr_reg(d, 0x00f6a7, I2C_SPEED_366K);
1238 if (ret < 0)
1239 goto err;
1240
1241 /* I2C master bus 1,3 clock speed 366k */
1242 ret = af9035_wr_reg(d, 0x00f103, I2C_SPEED_366K);
1243 if (ret < 0)
1244 goto err;
1245
1246 /* set gpio11 low */
1247 ret = af9035_wr_reg_mask(d, 0xd8d4, 0x01, 0x01);
1248 if (ret < 0)
1249 goto err;
1250
1251 ret = af9035_wr_reg_mask(d, 0xd8d5, 0x01, 0x01);
1252 if (ret < 0)
1253 goto err;
1254
1255 ret = af9035_wr_reg_mask(d, 0xd8d3, 0x01, 0x01);
1256 if (ret < 0)
1257 goto err;
1258
1259 /* Tuner enable using gpiot2_en, gpiot2_on and gpiot2_o (reset) */
1260 ret = af9035_wr_reg_mask(d, 0xd8b8, 0x01, 0x01);
1261 if (ret < 0)
1262 goto err;
1263
1264 ret = af9035_wr_reg_mask(d, 0xd8b9, 0x01, 0x01);
1265 if (ret < 0)
1266 goto err;
1267
1268 ret = af9035_wr_reg_mask(d, 0xd8b7, 0x00, 0x01);
1269 if (ret < 0)
1270 goto err;
1271
1272 msleep(200);
1273
1274 ret = af9035_wr_reg_mask(d, 0xd8b7, 0x01, 0x01);
1275 if (ret < 0)
1276 goto err;
1277
1278 memset(&si2168_config, 0, sizeof(si2168_config));
1279 si2168_config.i2c_adapter = &adapter;
1280 si2168_config.fe = &adap->fe[0];
1281 si2168_config.ts_mode = SI2168_TS_SERIAL;
1282
1283 state->af9033_config[adap->id].fe = &adap->fe[0];
1284 state->af9033_config[adap->id].ops = &state->ops;
1285 ret = af9035_add_i2c_dev(d, "si2168",
1286 it930x_addresses_table[state->it930x_addresses].frontend_i2c_addr,
1287 &si2168_config, &d->i2c_adap);
1288 if (ret)
1289 goto err;
1290
1291 if (adap->fe[0] == NULL) {
1292 ret = -ENODEV;
1293 goto err;
1294 }
1295 state->i2c_adapter_demod = adapter;
1296
1297 return 0;
1298
1299 err:
1300 dev_dbg(&intf->dev, "failed=%d\n", ret);
1301
1302 return ret;
1303 }
1304
af9035_frontend_detach(struct dvb_usb_adapter * adap)1305 static int af9035_frontend_detach(struct dvb_usb_adapter *adap)
1306 {
1307 struct state *state = adap_to_priv(adap);
1308 struct dvb_usb_device *d = adap_to_d(adap);
1309 struct usb_interface *intf = d->intf;
1310
1311 dev_dbg(&intf->dev, "adap->id=%d\n", adap->id);
1312
1313 if (adap->id == 1) {
1314 if (state->i2c_client[1])
1315 af9035_del_i2c_dev(d);
1316 } else if (adap->id == 0) {
1317 if (state->i2c_client[0])
1318 af9035_del_i2c_dev(d);
1319 }
1320
1321 return 0;
1322 }
1323
1324 static const struct fc0011_config af9035_fc0011_config = {
1325 .i2c_address = 0x60,
1326 };
1327
1328 static struct mxl5007t_config af9035_mxl5007t_config[] = {
1329 {
1330 .xtal_freq_hz = MxL_XTAL_24_MHZ,
1331 .if_freq_hz = MxL_IF_4_57_MHZ,
1332 .invert_if = 0,
1333 .loop_thru_enable = 0,
1334 .clk_out_enable = 0,
1335 .clk_out_amp = MxL_CLKOUT_AMP_0_94V,
1336 }, {
1337 .xtal_freq_hz = MxL_XTAL_24_MHZ,
1338 .if_freq_hz = MxL_IF_4_57_MHZ,
1339 .invert_if = 0,
1340 .loop_thru_enable = 1,
1341 .clk_out_enable = 1,
1342 .clk_out_amp = MxL_CLKOUT_AMP_0_94V,
1343 }
1344 };
1345
1346 static struct tda18218_config af9035_tda18218_config = {
1347 .i2c_address = 0x60,
1348 .i2c_wr_max = 21,
1349 };
1350
1351 static const struct fc0012_config af9035_fc0012_config[] = {
1352 {
1353 .i2c_address = 0x63,
1354 .xtal_freq = FC_XTAL_36_MHZ,
1355 .dual_master = true,
1356 .loop_through = true,
1357 .clock_out = true,
1358 }, {
1359 .i2c_address = 0x63 | 0x80, /* I2C bus select hack */
1360 .xtal_freq = FC_XTAL_36_MHZ,
1361 .dual_master = true,
1362 }
1363 };
1364
af9035_tuner_attach(struct dvb_usb_adapter * adap)1365 static int af9035_tuner_attach(struct dvb_usb_adapter *adap)
1366 {
1367 struct state *state = adap_to_priv(adap);
1368 struct dvb_usb_device *d = adap_to_d(adap);
1369 struct usb_interface *intf = d->intf;
1370 int ret;
1371 struct dvb_frontend *fe;
1372 struct i2c_msg msg[1];
1373 u8 tuner_addr;
1374
1375 dev_dbg(&intf->dev, "adap->id=%d\n", adap->id);
1376
1377 /*
1378 * XXX: Hack used in that function: we abuse unused I2C address bit [7]
1379 * to carry info about used I2C bus for dual tuner configuration.
1380 */
1381
1382 switch (state->af9033_config[adap->id].tuner) {
1383 case AF9033_TUNER_TUA9001: {
1384 struct tua9001_platform_data tua9001_pdata = {
1385 .dvb_frontend = adap->fe[0],
1386 };
1387
1388 /*
1389 * AF9035 gpiot3 = TUA9001 RESETN
1390 * AF9035 gpiot2 = TUA9001 RXEN
1391 */
1392
1393 /* configure gpiot2 and gpiot2 as output */
1394 ret = af9035_wr_reg_mask(d, 0x00d8ec, 0x01, 0x01);
1395 if (ret < 0)
1396 goto err;
1397
1398 ret = af9035_wr_reg_mask(d, 0x00d8ed, 0x01, 0x01);
1399 if (ret < 0)
1400 goto err;
1401
1402 ret = af9035_wr_reg_mask(d, 0x00d8e8, 0x01, 0x01);
1403 if (ret < 0)
1404 goto err;
1405
1406 ret = af9035_wr_reg_mask(d, 0x00d8e9, 0x01, 0x01);
1407 if (ret < 0)
1408 goto err;
1409
1410 /* attach tuner */
1411 ret = af9035_add_i2c_dev(d, "tua9001", 0x60, &tua9001_pdata,
1412 &d->i2c_adap);
1413 if (ret)
1414 goto err;
1415
1416 fe = adap->fe[0];
1417 break;
1418 }
1419 case AF9033_TUNER_FC0011:
1420 fe = dvb_attach(fc0011_attach, adap->fe[0],
1421 &d->i2c_adap, &af9035_fc0011_config);
1422 break;
1423 case AF9033_TUNER_MXL5007T:
1424 if (adap->id == 0) {
1425 ret = af9035_wr_reg(d, 0x00d8e0, 1);
1426 if (ret < 0)
1427 goto err;
1428
1429 ret = af9035_wr_reg(d, 0x00d8e1, 1);
1430 if (ret < 0)
1431 goto err;
1432
1433 ret = af9035_wr_reg(d, 0x00d8df, 0);
1434 if (ret < 0)
1435 goto err;
1436
1437 msleep(30);
1438
1439 ret = af9035_wr_reg(d, 0x00d8df, 1);
1440 if (ret < 0)
1441 goto err;
1442
1443 msleep(300);
1444
1445 ret = af9035_wr_reg(d, 0x00d8c0, 1);
1446 if (ret < 0)
1447 goto err;
1448
1449 ret = af9035_wr_reg(d, 0x00d8c1, 1);
1450 if (ret < 0)
1451 goto err;
1452
1453 ret = af9035_wr_reg(d, 0x00d8bf, 0);
1454 if (ret < 0)
1455 goto err;
1456
1457 ret = af9035_wr_reg(d, 0x00d8b4, 1);
1458 if (ret < 0)
1459 goto err;
1460
1461 ret = af9035_wr_reg(d, 0x00d8b5, 1);
1462 if (ret < 0)
1463 goto err;
1464
1465 ret = af9035_wr_reg(d, 0x00d8b3, 1);
1466 if (ret < 0)
1467 goto err;
1468
1469 tuner_addr = 0x60;
1470 } else {
1471 tuner_addr = 0x60 | 0x80; /* I2C bus hack */
1472 }
1473
1474 /* attach tuner */
1475 fe = dvb_attach(mxl5007t_attach, adap->fe[0], &d->i2c_adap,
1476 tuner_addr, &af9035_mxl5007t_config[adap->id]);
1477 break;
1478 case AF9033_TUNER_TDA18218:
1479 /* attach tuner */
1480 fe = dvb_attach(tda18218_attach, adap->fe[0],
1481 &d->i2c_adap, &af9035_tda18218_config);
1482 break;
1483 case AF9033_TUNER_FC2580: {
1484 struct fc2580_platform_data fc2580_pdata = {
1485 .dvb_frontend = adap->fe[0],
1486 };
1487
1488 /* Tuner enable using gpiot2_o, gpiot2_en and gpiot2_on */
1489 ret = af9035_wr_reg_mask(d, 0xd8eb, 0x01, 0x01);
1490 if (ret < 0)
1491 goto err;
1492
1493 ret = af9035_wr_reg_mask(d, 0xd8ec, 0x01, 0x01);
1494 if (ret < 0)
1495 goto err;
1496
1497 ret = af9035_wr_reg_mask(d, 0xd8ed, 0x01, 0x01);
1498 if (ret < 0)
1499 goto err;
1500
1501 usleep_range(10000, 50000);
1502 /* attach tuner */
1503 ret = af9035_add_i2c_dev(d, "fc2580", 0x56, &fc2580_pdata,
1504 &d->i2c_adap);
1505 if (ret)
1506 goto err;
1507
1508 fe = adap->fe[0];
1509 break;
1510 }
1511 case AF9033_TUNER_FC0012:
1512 /*
1513 * AF9035 gpiot2 = FC0012 enable
1514 * XXX: there seems to be something on gpioh8 too, but on my
1515 * test I didn't find any difference.
1516 */
1517
1518 if (adap->id == 0) {
1519 /* configure gpiot2 as output and high */
1520 ret = af9035_wr_reg_mask(d, 0xd8eb, 0x01, 0x01);
1521 if (ret < 0)
1522 goto err;
1523
1524 ret = af9035_wr_reg_mask(d, 0xd8ec, 0x01, 0x01);
1525 if (ret < 0)
1526 goto err;
1527
1528 ret = af9035_wr_reg_mask(d, 0xd8ed, 0x01, 0x01);
1529 if (ret < 0)
1530 goto err;
1531 } else {
1532 /*
1533 * FIXME: That belongs for the FC0012 driver.
1534 * Write 02 to FC0012 master tuner register 0d directly
1535 * in order to make slave tuner working.
1536 */
1537 msg[0].addr = 0x63;
1538 msg[0].flags = 0;
1539 msg[0].len = 2;
1540 msg[0].buf = "\x0d\x02";
1541 ret = i2c_transfer(&d->i2c_adap, msg, 1);
1542 if (ret < 0)
1543 goto err;
1544 }
1545
1546 usleep_range(10000, 50000);
1547
1548 fe = dvb_attach(fc0012_attach, adap->fe[0], &d->i2c_adap,
1549 &af9035_fc0012_config[adap->id]);
1550 break;
1551 case AF9033_TUNER_IT9135_38:
1552 case AF9033_TUNER_IT9135_51:
1553 case AF9033_TUNER_IT9135_52:
1554 case AF9033_TUNER_IT9135_60:
1555 case AF9033_TUNER_IT9135_61:
1556 case AF9033_TUNER_IT9135_62:
1557 {
1558 struct platform_device *pdev;
1559 const char *name;
1560 struct it913x_platform_data it913x_pdata = {
1561 .regmap = state->af9033_config[adap->id].regmap,
1562 .fe = adap->fe[0],
1563 };
1564
1565 switch (state->af9033_config[adap->id].tuner) {
1566 case AF9033_TUNER_IT9135_38:
1567 case AF9033_TUNER_IT9135_51:
1568 case AF9033_TUNER_IT9135_52:
1569 name = "it9133ax-tuner";
1570 break;
1571 case AF9033_TUNER_IT9135_60:
1572 case AF9033_TUNER_IT9135_61:
1573 case AF9033_TUNER_IT9135_62:
1574 name = "it9133bx-tuner";
1575 break;
1576 default:
1577 ret = -ENODEV;
1578 goto err;
1579 }
1580
1581 if (state->dual_mode) {
1582 if (adap->id == 0)
1583 it913x_pdata.role = IT913X_ROLE_DUAL_MASTER;
1584 else
1585 it913x_pdata.role = IT913X_ROLE_DUAL_SLAVE;
1586 } else {
1587 it913x_pdata.role = IT913X_ROLE_SINGLE;
1588 }
1589
1590 request_module("%s", "it913x");
1591 pdev = platform_device_register_data(&d->intf->dev, name,
1592 PLATFORM_DEVID_AUTO,
1593 &it913x_pdata,
1594 sizeof(it913x_pdata));
1595 if (IS_ERR(pdev) || !pdev->dev.driver) {
1596 ret = -ENODEV;
1597 goto err;
1598 }
1599 if (!try_module_get(pdev->dev.driver->owner)) {
1600 platform_device_unregister(pdev);
1601 ret = -ENODEV;
1602 goto err;
1603 }
1604
1605 state->platform_device_tuner[adap->id] = pdev;
1606 fe = adap->fe[0];
1607 break;
1608 }
1609 default:
1610 fe = NULL;
1611 }
1612
1613 if (fe == NULL) {
1614 ret = -ENODEV;
1615 goto err;
1616 }
1617
1618 return 0;
1619
1620 err:
1621 dev_dbg(&intf->dev, "failed=%d\n", ret);
1622
1623 return ret;
1624 }
1625
it930x_tuner_attach(struct dvb_usb_adapter * adap)1626 static int it930x_tuner_attach(struct dvb_usb_adapter *adap)
1627 {
1628 struct state *state = adap_to_priv(adap);
1629 struct dvb_usb_device *d = adap_to_d(adap);
1630 struct usb_interface *intf = d->intf;
1631 int ret;
1632 struct si2157_config si2157_config;
1633
1634 dev_dbg(&intf->dev, "adap->id=%d\n", adap->id);
1635
1636 memset(&si2157_config, 0, sizeof(si2157_config));
1637 si2157_config.fe = adap->fe[0];
1638
1639 /*
1640 * HACK: The Logilink VG0022A and TerraTec TC2 Stick have
1641 * a bug: when the si2157 firmware that came with the device
1642 * is replaced by a new one, the I2C transfers to the tuner
1643 * will return just 0xff.
1644 *
1645 * Probably, the vendor firmware has some patch specifically
1646 * designed for this device. So, we can't replace by the
1647 * generic firmware. The right solution would be to extract
1648 * the si2157 firmware from the original driver and ask the
1649 * driver to load the specifically designed firmware, but,
1650 * while we don't have that, the next best solution is to just
1651 * keep the original firmware at the device.
1652 */
1653 if ((le16_to_cpu(d->udev->descriptor.idVendor) == USB_VID_DEXATEK &&
1654 le16_to_cpu(d->udev->descriptor.idProduct) == 0x0100) ||
1655 (le16_to_cpu(d->udev->descriptor.idVendor) == USB_VID_TERRATEC &&
1656 le16_to_cpu(d->udev->descriptor.idProduct) == USB_PID_TERRATEC_CINERGY_TC2_STICK))
1657 si2157_config.dont_load_firmware = true;
1658
1659 si2157_config.if_port = it930x_addresses_table[state->it930x_addresses].tuner_if_port;
1660 ret = af9035_add_i2c_dev(d, "si2157",
1661 it930x_addresses_table[state->it930x_addresses].tuner_i2c_addr,
1662 &si2157_config, state->i2c_adapter_demod);
1663 if (ret)
1664 goto err;
1665
1666 return 0;
1667
1668 err:
1669 dev_dbg(&intf->dev, "failed=%d\n", ret);
1670
1671 return ret;
1672 }
1673
1674
it930x_tuner_detach(struct dvb_usb_adapter * adap)1675 static int it930x_tuner_detach(struct dvb_usb_adapter *adap)
1676 {
1677 struct state *state = adap_to_priv(adap);
1678 struct dvb_usb_device *d = adap_to_d(adap);
1679 struct usb_interface *intf = d->intf;
1680
1681 dev_dbg(&intf->dev, "adap->id=%d\n", adap->id);
1682
1683 if (adap->id == 1) {
1684 if (state->i2c_client[3])
1685 af9035_del_i2c_dev(d);
1686 } else if (adap->id == 0) {
1687 if (state->i2c_client[1])
1688 af9035_del_i2c_dev(d);
1689 }
1690
1691 return 0;
1692 }
1693
1694
af9035_tuner_detach(struct dvb_usb_adapter * adap)1695 static int af9035_tuner_detach(struct dvb_usb_adapter *adap)
1696 {
1697 struct state *state = adap_to_priv(adap);
1698 struct dvb_usb_device *d = adap_to_d(adap);
1699 struct usb_interface *intf = d->intf;
1700
1701 dev_dbg(&intf->dev, "adap->id=%d\n", adap->id);
1702
1703 switch (state->af9033_config[adap->id].tuner) {
1704 case AF9033_TUNER_TUA9001:
1705 case AF9033_TUNER_FC2580:
1706 if (adap->id == 1) {
1707 if (state->i2c_client[3])
1708 af9035_del_i2c_dev(d);
1709 } else if (adap->id == 0) {
1710 if (state->i2c_client[1])
1711 af9035_del_i2c_dev(d);
1712 }
1713 break;
1714 case AF9033_TUNER_IT9135_38:
1715 case AF9033_TUNER_IT9135_51:
1716 case AF9033_TUNER_IT9135_52:
1717 case AF9033_TUNER_IT9135_60:
1718 case AF9033_TUNER_IT9135_61:
1719 case AF9033_TUNER_IT9135_62:
1720 {
1721 struct platform_device *pdev;
1722
1723 pdev = state->platform_device_tuner[adap->id];
1724 if (pdev) {
1725 module_put(pdev->dev.driver->owner);
1726 platform_device_unregister(pdev);
1727 }
1728 break;
1729 }
1730 }
1731
1732 return 0;
1733 }
1734
af9035_init(struct dvb_usb_device * d)1735 static int af9035_init(struct dvb_usb_device *d)
1736 {
1737 struct state *state = d_to_priv(d);
1738 struct usb_interface *intf = d->intf;
1739 int ret, i;
1740 u16 frame_size = (d->udev->speed == USB_SPEED_FULL ? 5 : 87) * 188 / 4;
1741 u8 packet_size = (d->udev->speed == USB_SPEED_FULL ? 64 : 512) / 4;
1742 struct reg_val_mask tab[] = {
1743 { 0x80f99d, 0x01, 0x01 },
1744 { 0x80f9a4, 0x01, 0x01 },
1745 { 0x00dd11, 0x00, 0x20 },
1746 { 0x00dd11, 0x00, 0x40 },
1747 { 0x00dd13, 0x00, 0x20 },
1748 { 0x00dd13, 0x00, 0x40 },
1749 { 0x00dd11, 0x20, 0x20 },
1750 { 0x00dd88, (frame_size >> 0) & 0xff, 0xff},
1751 { 0x00dd89, (frame_size >> 8) & 0xff, 0xff},
1752 { 0x00dd0c, packet_size, 0xff},
1753 { 0x00dd11, state->dual_mode << 6, 0x40 },
1754 { 0x00dd8a, (frame_size >> 0) & 0xff, 0xff},
1755 { 0x00dd8b, (frame_size >> 8) & 0xff, 0xff},
1756 { 0x00dd0d, packet_size, 0xff },
1757 { 0x80f9a3, state->dual_mode, 0x01 },
1758 { 0x80f9cd, state->dual_mode, 0x01 },
1759 { 0x80f99d, 0x00, 0x01 },
1760 { 0x80f9a4, 0x00, 0x01 },
1761 };
1762
1763 dev_dbg(&intf->dev, "USB speed=%d frame_size=%04x packet_size=%02x\n",
1764 d->udev->speed, frame_size, packet_size);
1765
1766 /* init endpoints */
1767 for (i = 0; i < ARRAY_SIZE(tab); i++) {
1768 ret = af9035_wr_reg_mask(d, tab[i].reg, tab[i].val,
1769 tab[i].mask);
1770 if (ret < 0)
1771 goto err;
1772 }
1773
1774 return 0;
1775
1776 err:
1777 dev_dbg(&intf->dev, "failed=%d\n", ret);
1778
1779 return ret;
1780 }
1781
it930x_init(struct dvb_usb_device * d)1782 static int it930x_init(struct dvb_usb_device *d)
1783 {
1784 struct state *state = d_to_priv(d);
1785 struct usb_interface *intf = d->intf;
1786 int ret, i;
1787 u16 frame_size = (d->udev->speed == USB_SPEED_FULL ? 5 : 816) * 188 / 4;
1788 u8 packet_size = (d->udev->speed == USB_SPEED_FULL ? 64 : 512) / 4;
1789 struct reg_val_mask tab[] = {
1790 { 0x00da1a, 0x00, 0x01 }, /* ignore_sync_byte */
1791 { 0x00f41f, 0x04, 0x04 }, /* dvbt_inten */
1792 { 0x00da10, 0x00, 0x01 }, /* mpeg_full_speed */
1793 { 0x00f41a, 0x01, 0x01 }, /* dvbt_en */
1794 { 0x00da1d, 0x01, 0x01 }, /* mp2_sw_rst, reset EP4 */
1795 { 0x00dd11, 0x00, 0x20 }, /* ep4_tx_en, disable EP4 */
1796 { 0x00dd13, 0x00, 0x20 }, /* ep4_tx_nak, disable EP4 NAK */
1797 { 0x00dd11, 0x20, 0x20 }, /* ep4_tx_en, enable EP4 */
1798 { 0x00dd11, 0x00, 0x40 }, /* ep5_tx_en, disable EP5 */
1799 { 0x00dd13, 0x00, 0x40 }, /* ep5_tx_nak, disable EP5 NAK */
1800 { 0x00dd11, state->dual_mode << 6, 0x40 }, /* enable EP5 */
1801 { 0x00dd88, (frame_size >> 0) & 0xff, 0xff},
1802 { 0x00dd89, (frame_size >> 8) & 0xff, 0xff},
1803 { 0x00dd0c, packet_size, 0xff},
1804 { 0x00dd8a, (frame_size >> 0) & 0xff, 0xff},
1805 { 0x00dd8b, (frame_size >> 8) & 0xff, 0xff},
1806 { 0x00dd0d, packet_size, 0xff },
1807 { 0x00da1d, 0x00, 0x01 }, /* mp2_sw_rst, disable */
1808 { 0x00d833, 0x01, 0xff }, /* slew rate ctrl: slew rate boosts */
1809 { 0x00d830, 0x00, 0xff }, /* Bit 0 of output driving control */
1810 { 0x00d831, 0x01, 0xff }, /* Bit 1 of output driving control */
1811 { 0x00d832, 0x00, 0xff }, /* Bit 2 of output driving control */
1812
1813 /* suspend gpio1 for TS-C */
1814 { 0x00d8b0, 0x01, 0xff }, /* gpio1 */
1815 { 0x00d8b1, 0x01, 0xff }, /* gpio1 */
1816 { 0x00d8af, 0x00, 0xff }, /* gpio1 */
1817
1818 /* suspend gpio7 for TS-D */
1819 { 0x00d8c4, 0x01, 0xff }, /* gpio7 */
1820 { 0x00d8c5, 0x01, 0xff }, /* gpio7 */
1821 { 0x00d8c3, 0x00, 0xff }, /* gpio7 */
1822
1823 /* suspend gpio13 for TS-B */
1824 { 0x00d8dc, 0x01, 0xff }, /* gpio13 */
1825 { 0x00d8dd, 0x01, 0xff }, /* gpio13 */
1826 { 0x00d8db, 0x00, 0xff }, /* gpio13 */
1827
1828 /* suspend gpio14 for TS-E */
1829 { 0x00d8e4, 0x01, 0xff }, /* gpio14 */
1830 { 0x00d8e5, 0x01, 0xff }, /* gpio14 */
1831 { 0x00d8e3, 0x00, 0xff }, /* gpio14 */
1832
1833 /* suspend gpio15 for TS-A */
1834 { 0x00d8e8, 0x01, 0xff }, /* gpio15 */
1835 { 0x00d8e9, 0x01, 0xff }, /* gpio15 */
1836 { 0x00d8e7, 0x00, 0xff }, /* gpio15 */
1837
1838 { 0x00da58, 0x00, 0x01 }, /* ts_in_src, serial */
1839 { 0x00da73, 0x01, 0xff }, /* ts0_aggre_mode */
1840 { 0x00da78, 0x47, 0xff }, /* ts0_sync_byte */
1841 { 0x00da4c, 0x01, 0xff }, /* ts0_en */
1842 { 0x00da5a, 0x1f, 0xff }, /* ts_fail_ignore */
1843 };
1844
1845 dev_dbg(&intf->dev, "USB speed=%d frame_size=%04x packet_size=%02x\n",
1846 d->udev->speed, frame_size, packet_size);
1847
1848 /* init endpoints */
1849 for (i = 0; i < ARRAY_SIZE(tab); i++) {
1850 ret = af9035_wr_reg_mask(d, tab[i].reg,
1851 tab[i].val, tab[i].mask);
1852
1853 if (ret < 0)
1854 goto err;
1855 }
1856
1857 return 0;
1858 err:
1859 dev_dbg(&intf->dev, "failed=%d\n", ret);
1860
1861 return ret;
1862 }
1863
1864
1865 #if IS_ENABLED(CONFIG_RC_CORE)
af9035_rc_query(struct dvb_usb_device * d)1866 static int af9035_rc_query(struct dvb_usb_device *d)
1867 {
1868 struct usb_interface *intf = d->intf;
1869 int ret;
1870 enum rc_proto proto;
1871 u32 key;
1872 u8 buf[4];
1873 struct usb_req req = { CMD_IR_GET, 0, 0, NULL, 4, buf };
1874
1875 ret = af9035_ctrl_msg(d, &req);
1876 if (ret == 1)
1877 return 0;
1878 else if (ret < 0)
1879 goto err;
1880
1881 if ((buf[2] + buf[3]) == 0xff) {
1882 if ((buf[0] + buf[1]) == 0xff) {
1883 /* NEC standard 16bit */
1884 key = RC_SCANCODE_NEC(buf[0], buf[2]);
1885 proto = RC_PROTO_NEC;
1886 } else {
1887 /* NEC extended 24bit */
1888 key = RC_SCANCODE_NECX(buf[0] << 8 | buf[1], buf[2]);
1889 proto = RC_PROTO_NECX;
1890 }
1891 } else {
1892 /* NEC full code 32bit */
1893 key = RC_SCANCODE_NEC32(buf[0] << 24 | buf[1] << 16 |
1894 buf[2] << 8 | buf[3]);
1895 proto = RC_PROTO_NEC32;
1896 }
1897
1898 dev_dbg(&intf->dev, "%*ph\n", 4, buf);
1899
1900 rc_keydown(d->rc_dev, proto, key, 0);
1901
1902 return 0;
1903
1904 err:
1905 dev_dbg(&intf->dev, "failed=%d\n", ret);
1906
1907 return ret;
1908 }
1909
af9035_get_rc_config(struct dvb_usb_device * d,struct dvb_usb_rc * rc)1910 static int af9035_get_rc_config(struct dvb_usb_device *d, struct dvb_usb_rc *rc)
1911 {
1912 struct state *state = d_to_priv(d);
1913 struct usb_interface *intf = d->intf;
1914
1915 dev_dbg(&intf->dev, "ir_mode=%02x ir_type=%02x\n",
1916 state->ir_mode, state->ir_type);
1917
1918 /* don't activate rc if in HID mode or if not available */
1919 if (state->ir_mode == 0x05) {
1920 switch (state->ir_type) {
1921 case 0: /* NEC */
1922 default:
1923 rc->allowed_protos = RC_PROTO_BIT_NEC |
1924 RC_PROTO_BIT_NECX | RC_PROTO_BIT_NEC32;
1925 break;
1926 case 1: /* RC6 */
1927 rc->allowed_protos = RC_PROTO_BIT_RC6_MCE;
1928 break;
1929 }
1930
1931 rc->query = af9035_rc_query;
1932 rc->interval = 500;
1933
1934 /* load empty to enable rc */
1935 if (!rc->map_name)
1936 rc->map_name = RC_MAP_EMPTY;
1937 }
1938
1939 return 0;
1940 }
1941 #else
1942 #define af9035_get_rc_config NULL
1943 #endif
1944
af9035_get_stream_config(struct dvb_frontend * fe,u8 * ts_type,struct usb_data_stream_properties * stream)1945 static int af9035_get_stream_config(struct dvb_frontend *fe, u8 *ts_type,
1946 struct usb_data_stream_properties *stream)
1947 {
1948 struct dvb_usb_device *d = fe_to_d(fe);
1949 struct usb_interface *intf = d->intf;
1950
1951 dev_dbg(&intf->dev, "adap=%d\n", fe_to_adap(fe)->id);
1952
1953 if (d->udev->speed == USB_SPEED_FULL)
1954 stream->u.bulk.buffersize = 5 * 188;
1955
1956 return 0;
1957 }
1958
af9035_pid_filter_ctrl(struct dvb_usb_adapter * adap,int onoff)1959 static int af9035_pid_filter_ctrl(struct dvb_usb_adapter *adap, int onoff)
1960 {
1961 struct state *state = adap_to_priv(adap);
1962
1963 return state->ops.pid_filter_ctrl(adap->fe[0], onoff);
1964 }
1965
af9035_pid_filter(struct dvb_usb_adapter * adap,int index,u16 pid,int onoff)1966 static int af9035_pid_filter(struct dvb_usb_adapter *adap, int index, u16 pid,
1967 int onoff)
1968 {
1969 struct state *state = adap_to_priv(adap);
1970
1971 return state->ops.pid_filter(adap->fe[0], index, pid, onoff);
1972 }
1973
af9035_probe(struct usb_interface * intf,const struct usb_device_id * id)1974 static int af9035_probe(struct usb_interface *intf,
1975 const struct usb_device_id *id)
1976 {
1977 struct usb_device *udev = interface_to_usbdev(intf);
1978 char manufacturer[sizeof("Afatech")];
1979
1980 memset(manufacturer, 0, sizeof(manufacturer));
1981 usb_string(udev, udev->descriptor.iManufacturer,
1982 manufacturer, sizeof(manufacturer));
1983 /*
1984 * There is two devices having same ID but different chipset. One uses
1985 * AF9015 and the other IT9135 chipset. Only difference seen on lsusb
1986 * is iManufacturer string.
1987 *
1988 * idVendor 0x0ccd TerraTec Electronic GmbH
1989 * idProduct 0x0099
1990 * bcdDevice 2.00
1991 * iManufacturer 1 Afatech
1992 * iProduct 2 DVB-T 2
1993 *
1994 * idVendor 0x0ccd TerraTec Electronic GmbH
1995 * idProduct 0x0099
1996 * bcdDevice 2.00
1997 * iManufacturer 1 ITE Technologies, Inc.
1998 * iProduct 2 DVB-T TV Stick
1999 */
2000 if ((le16_to_cpu(udev->descriptor.idVendor) == USB_VID_TERRATEC) &&
2001 (le16_to_cpu(udev->descriptor.idProduct) == 0x0099)) {
2002 if (!strcmp("Afatech", manufacturer)) {
2003 dev_dbg(&udev->dev, "rejecting device\n");
2004 return -ENODEV;
2005 }
2006 }
2007
2008 return dvb_usbv2_probe(intf, id);
2009 }
2010
2011 /* interface 0 is used by DVB-T receiver and
2012 interface 1 is for remote controller (HID) */
2013 static const struct dvb_usb_device_properties af9035_props = {
2014 .driver_name = KBUILD_MODNAME,
2015 .owner = THIS_MODULE,
2016 .adapter_nr = adapter_nr,
2017 .size_of_priv = sizeof(struct state),
2018
2019 .generic_bulk_ctrl_endpoint = 0x02,
2020 .generic_bulk_ctrl_endpoint_response = 0x81,
2021
2022 .identify_state = af9035_identify_state,
2023 .download_firmware = af9035_download_firmware,
2024
2025 .i2c_algo = &af9035_i2c_algo,
2026 .read_config = af9035_read_config,
2027 .frontend_attach = af9035_frontend_attach,
2028 .frontend_detach = af9035_frontend_detach,
2029 .tuner_attach = af9035_tuner_attach,
2030 .tuner_detach = af9035_tuner_detach,
2031 .init = af9035_init,
2032 .get_rc_config = af9035_get_rc_config,
2033 .get_stream_config = af9035_get_stream_config,
2034
2035 .get_adapter_count = af9035_get_adapter_count,
2036 .adapter = {
2037 {
2038 .caps = DVB_USB_ADAP_HAS_PID_FILTER |
2039 DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
2040
2041 .pid_filter_count = 32,
2042 .pid_filter_ctrl = af9035_pid_filter_ctrl,
2043 .pid_filter = af9035_pid_filter,
2044
2045 .stream = DVB_USB_STREAM_BULK(0x84, 6, 87 * 188),
2046 }, {
2047 .caps = DVB_USB_ADAP_HAS_PID_FILTER |
2048 DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
2049
2050 .pid_filter_count = 32,
2051 .pid_filter_ctrl = af9035_pid_filter_ctrl,
2052 .pid_filter = af9035_pid_filter,
2053
2054 .stream = DVB_USB_STREAM_BULK(0x85, 6, 87 * 188),
2055 },
2056 },
2057 };
2058
2059 static const struct dvb_usb_device_properties it930x_props = {
2060 .driver_name = KBUILD_MODNAME,
2061 .owner = THIS_MODULE,
2062 .adapter_nr = adapter_nr,
2063 .size_of_priv = sizeof(struct state),
2064
2065 .generic_bulk_ctrl_endpoint = 0x02,
2066 .generic_bulk_ctrl_endpoint_response = 0x81,
2067
2068 .identify_state = af9035_identify_state,
2069 .download_firmware = af9035_download_firmware,
2070
2071 .i2c_algo = &af9035_i2c_algo,
2072 .read_config = af9035_read_config,
2073 .frontend_attach = it930x_frontend_attach,
2074 .frontend_detach = af9035_frontend_detach,
2075 .tuner_attach = it930x_tuner_attach,
2076 .tuner_detach = it930x_tuner_detach,
2077 .init = it930x_init,
2078 /*
2079 * dvb_usbv2_remote_init() calls rc_config() only for those devices
2080 * which have non-empty rc_map, so it's safe to enable it for every IT930x
2081 */
2082 .get_rc_config = af9035_get_rc_config,
2083 .get_stream_config = af9035_get_stream_config,
2084
2085 .get_adapter_count = af9035_get_adapter_count,
2086 .adapter = {
2087 {
2088 .stream = DVB_USB_STREAM_BULK(0x84, 4, 816 * 188),
2089 }, {
2090 .stream = DVB_USB_STREAM_BULK(0x85, 4, 816 * 188),
2091 },
2092 },
2093 };
2094
2095 static const struct usb_device_id af9035_id_table[] = {
2096 /* AF9035 devices */
2097 { DVB_USB_DEVICE(USB_VID_AFATECH, USB_PID_AFATECH_AF9035_9035,
2098 &af9035_props, "Afatech AF9035 reference design", NULL) },
2099 { DVB_USB_DEVICE(USB_VID_AFATECH, USB_PID_AFATECH_AF9035_1000,
2100 &af9035_props, "Afatech AF9035 reference design", NULL) },
2101 { DVB_USB_DEVICE(USB_VID_AFATECH, USB_PID_AFATECH_AF9035_1001,
2102 &af9035_props, "Afatech AF9035 reference design", NULL) },
2103 { DVB_USB_DEVICE(USB_VID_AFATECH, USB_PID_AFATECH_AF9035_1002,
2104 &af9035_props, "Afatech AF9035 reference design", NULL) },
2105 { DVB_USB_DEVICE(USB_VID_AFATECH, USB_PID_AFATECH_AF9035_1003,
2106 &af9035_props, "Afatech AF9035 reference design", NULL) },
2107 { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_CINERGY_T_STICK,
2108 &af9035_props, "TerraTec Cinergy T Stick", NULL) },
2109 { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_A835,
2110 &af9035_props, "AVerMedia AVerTV Volar HD/PRO (A835)", NULL) },
2111 { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_B835,
2112 &af9035_props, "AVerMedia AVerTV Volar HD/PRO (A835)", NULL) },
2113 { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_1867,
2114 &af9035_props, "AVerMedia HD Volar (A867)", NULL) },
2115 { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_A867,
2116 &af9035_props, "AVerMedia HD Volar (A867)", NULL) },
2117 { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_TWINSTAR,
2118 &af9035_props, "AVerMedia Twinstar (A825)", NULL) },
2119 { DVB_USB_DEVICE(USB_VID_ASUS, USB_PID_ASUS_U3100MINI_PLUS,
2120 &af9035_props, "Asus U3100Mini Plus", NULL) },
2121 { DVB_USB_DEVICE(USB_VID_TERRATEC, 0x00aa,
2122 &af9035_props, "TerraTec Cinergy T Stick (rev. 2)", NULL) },
2123 { DVB_USB_DEVICE(USB_VID_AVERMEDIA, 0x0337,
2124 &af9035_props, "AVerMedia HD Volar (A867)", NULL) },
2125 { DVB_USB_DEVICE(USB_VID_GTEK, USB_PID_EVOLVEO_XTRATV_STICK,
2126 &af9035_props, "EVOLVEO XtraTV stick", NULL) },
2127
2128 /* IT9135 devices */
2129 { DVB_USB_DEVICE(USB_VID_ITETECH, USB_PID_ITETECH_IT9135,
2130 &af9035_props, "ITE 9135 Generic", RC_MAP_IT913X_V1) },
2131 { DVB_USB_DEVICE(USB_VID_ITETECH, USB_PID_ITETECH_IT9135_9005,
2132 &af9035_props, "ITE 9135(9005) Generic", RC_MAP_IT913X_V2) },
2133 { DVB_USB_DEVICE(USB_VID_ITETECH, USB_PID_ITETECH_IT9135_9006,
2134 &af9035_props, "ITE 9135(9006) Generic", RC_MAP_IT913X_V1) },
2135 { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_A835B_1835,
2136 &af9035_props, "Avermedia A835B(1835)", RC_MAP_IT913X_V2) },
2137 { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_A835B_2835,
2138 &af9035_props, "Avermedia A835B(2835)", RC_MAP_IT913X_V2) },
2139 { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_A835B_3835,
2140 &af9035_props, "Avermedia A835B(3835)", RC_MAP_IT913X_V2) },
2141 { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_A835B_4835,
2142 &af9035_props, "Avermedia A835B(4835)", RC_MAP_IT913X_V2) },
2143 { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_TD110,
2144 &af9035_props, "Avermedia AverTV Volar HD 2 (TD110)", RC_MAP_AVERMEDIA_RM_KS) },
2145 { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_H335,
2146 &af9035_props, "Avermedia H335", RC_MAP_IT913X_V2) },
2147 { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_KWORLD_UB499_2T_T09,
2148 &af9035_props, "Kworld UB499-2T T09", RC_MAP_IT913X_V1) },
2149 { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_SVEON_STV22_IT9137,
2150 &af9035_props, "Sveon STV22 Dual DVB-T HDTV",
2151 RC_MAP_IT913X_V1) },
2152 { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_CTVDIGDUAL_V2,
2153 &af9035_props, "Digital Dual TV Receiver CTVDIGDUAL_V2",
2154 RC_MAP_IT913X_V1) },
2155 { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_T1,
2156 &af9035_props, "TerraTec T1", RC_MAP_IT913X_V1) },
2157 /* XXX: that same ID [0ccd:0099] is used by af9015 driver too */
2158 { DVB_USB_DEVICE(USB_VID_TERRATEC, 0x0099,
2159 &af9035_props, "TerraTec Cinergy T Stick Dual RC (rev. 2)",
2160 NULL) },
2161 { DVB_USB_DEVICE(USB_VID_LEADTEK, 0x6a05,
2162 &af9035_props, "Leadtek WinFast DTV Dongle Dual", NULL) },
2163 { DVB_USB_DEVICE(USB_VID_HAUPPAUGE, 0xf900,
2164 &af9035_props, "Hauppauge WinTV-MiniStick 2", NULL) },
2165 { DVB_USB_DEVICE(USB_VID_PCTV, USB_PID_PCTV_78E,
2166 &af9035_props, "PCTV AndroiDTV (78e)", RC_MAP_IT913X_V1) },
2167 { DVB_USB_DEVICE(USB_VID_PCTV, USB_PID_PCTV_79E,
2168 &af9035_props, "PCTV microStick (79e)", RC_MAP_IT913X_V2) },
2169
2170 /* IT930x devices */
2171 { DVB_USB_DEVICE(USB_VID_ITETECH, USB_PID_ITETECH_IT9303,
2172 &it930x_props, "ITE 9303 Generic", NULL) },
2173 { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_TD310,
2174 &it930x_props, "AVerMedia TD310 DVB-T2", RC_MAP_AVERMEDIA_RM_KS) },
2175 { DVB_USB_DEVICE(USB_VID_DEXATEK, 0x0100,
2176 &it930x_props, "Logilink VG0022A", NULL) },
2177 { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_CINERGY_TC2_STICK,
2178 &it930x_props, "TerraTec Cinergy TC2 Stick", NULL) },
2179 { }
2180 };
2181 MODULE_DEVICE_TABLE(usb, af9035_id_table);
2182
2183 static struct usb_driver af9035_usb_driver = {
2184 .name = KBUILD_MODNAME,
2185 .id_table = af9035_id_table,
2186 .probe = af9035_probe,
2187 .disconnect = dvb_usbv2_disconnect,
2188 .suspend = dvb_usbv2_suspend,
2189 .resume = dvb_usbv2_resume,
2190 .reset_resume = dvb_usbv2_reset_resume,
2191 .no_dynamic_id = 1,
2192 .soft_unbind = 1,
2193 };
2194
2195 module_usb_driver(af9035_usb_driver);
2196
2197 MODULE_AUTHOR("Antti Palosaari <[email protected]>");
2198 MODULE_DESCRIPTION("Afatech AF9035 driver");
2199 MODULE_LICENSE("GPL");
2200 MODULE_FIRMWARE(AF9035_FIRMWARE_AF9035);
2201 MODULE_FIRMWARE(AF9035_FIRMWARE_IT9135_V1);
2202 MODULE_FIRMWARE(AF9035_FIRMWARE_IT9135_V2);
2203 MODULE_FIRMWARE(AF9035_FIRMWARE_IT9303);
2204