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