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sched: Remove double_rq_lock() from __migrate_task()
[linux/fpc-iii.git] / drivers / media / usb / dvb-usb-v2 / af9035.c
blob7b9b75f6077471aea8209f317bbd7a636f8e8b58
1 /*
2 * Afatech AF9035 DVB USB driver
3 *
4 * Copyright (C) 2009 Antti Palosaari <crope@iki.fi>
5 * Copyright (C) 2012 Antti Palosaari <crope@iki.fi>
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License along
18 * with this program; if not, write to the Free Software Foundation, Inc.,
19 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
20 */
21
22 #include "af9035.h"
23
24 /* Max transfer size done by I2C transfer functions */
25 #define MAX_XFER_SIZE 64
26
27 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
28
29 static u16 af9035_checksum(const u8 *buf, size_t len)
30 {
31 size_t i;
32 u16 checksum = 0;
33
34 for (i = 1; i < len; i++) {
35 if (i % 2)
36 checksum += buf[i] << 8;
37 else
38 checksum += buf[i];
39 }
40 checksum = ~checksum;
41
42 return checksum;
43 }
44
45 static int af9035_ctrl_msg(struct dvb_usb_device *d, struct usb_req *req)
46 {
47 #define REQ_HDR_LEN 4 /* send header size */
48 #define ACK_HDR_LEN 3 /* rece header size */
49 #define CHECKSUM_LEN 2
50 #define USB_TIMEOUT 2000
51 struct state *state = d_to_priv(d);
52 int ret, wlen, rlen;
53 u16 checksum, tmp_checksum;
54
55 mutex_lock(&d->usb_mutex);
56
57 /* buffer overflow check */
58 if (req->wlen > (BUF_LEN - REQ_HDR_LEN - CHECKSUM_LEN) ||
59 req->rlen > (BUF_LEN - ACK_HDR_LEN - CHECKSUM_LEN)) {
60 dev_err(&d->udev->dev, "%s: too much data wlen=%d rlen=%d\n",
61 KBUILD_MODNAME, req->wlen, req->rlen);
62 ret = -EINVAL;
63 goto exit;
64 }
65
66 state->buf[0] = REQ_HDR_LEN + req->wlen + CHECKSUM_LEN - 1;
67 state->buf[1] = req->mbox;
68 state->buf[2] = req->cmd;
69 state->buf[3] = state->seq++;
70 memcpy(&state->buf[REQ_HDR_LEN], req->wbuf, req->wlen);
71
72 wlen = REQ_HDR_LEN + req->wlen + CHECKSUM_LEN;
73 rlen = ACK_HDR_LEN + req->rlen + CHECKSUM_LEN;
74
75 /* calc and add checksum */
76 checksum = af9035_checksum(state->buf, state->buf[0] - 1);
77 state->buf[state->buf[0] - 1] = (checksum >> 8);
78 state->buf[state->buf[0] - 0] = (checksum & 0xff);
79
80 /* no ack for these packets */
81 if (req->cmd == CMD_FW_DL)
82 rlen = 0;
83
84 ret = dvb_usbv2_generic_rw_locked(d,
85 state->buf, wlen, state->buf, rlen);
86 if (ret)
87 goto exit;
88
89 /* no ack for those packets */
90 if (req->cmd == CMD_FW_DL)
91 goto exit;
92
93 /* verify checksum */
94 checksum = af9035_checksum(state->buf, rlen - 2);
95 tmp_checksum = (state->buf[rlen - 2] << 8) | state->buf[rlen - 1];
96 if (tmp_checksum != checksum) {
97 dev_err(&d->udev->dev,
98 "%s: command=%02x checksum mismatch (%04x != %04x)\n",
99 KBUILD_MODNAME, req->cmd, tmp_checksum,
100 checksum);
101 ret = -EIO;
102 goto exit;
103 }
104
105 /* check status */
106 if (state->buf[2]) {
107 /* fw returns status 1 when IR code was not received */
108 if (req->cmd == CMD_IR_GET || state->buf[2] == 1) {
109 ret = 1;
110 goto exit;
111 }
112
113 dev_dbg(&d->udev->dev, "%s: command=%02x failed fw error=%d\n",
114 __func__, req->cmd, state->buf[2]);
115 ret = -EIO;
116 goto exit;
117 }
118
119 /* read request, copy returned data to return buf */
120 if (req->rlen)
121 memcpy(req->rbuf, &state->buf[ACK_HDR_LEN], req->rlen);
122 exit:
123 mutex_unlock(&d->usb_mutex);
124 if (ret < 0)
125 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
126 return ret;
127 }
128
129 /* write multiple registers */
130 static int af9035_wr_regs(struct dvb_usb_device *d, u32 reg, u8 *val, int len)
131 {
132 u8 wbuf[MAX_XFER_SIZE];
133 u8 mbox = (reg >> 16) & 0xff;
134 struct usb_req req = { CMD_MEM_WR, mbox, 6 + len, wbuf, 0, NULL };
135
136 if (6 + len > sizeof(wbuf)) {
137 dev_warn(&d->udev->dev, "%s: i2c wr: len=%d is too big!\n",
138 KBUILD_MODNAME, len);
139 return -EOPNOTSUPP;
140 }
141
142 wbuf[0] = len;
143 wbuf[1] = 2;
144 wbuf[2] = 0;
145 wbuf[3] = 0;
146 wbuf[4] = (reg >> 8) & 0xff;
147 wbuf[5] = (reg >> 0) & 0xff;
148 memcpy(&wbuf[6], val, len);
149
150 return af9035_ctrl_msg(d, &req);
151 }
152
153 /* read multiple registers */
154 static int af9035_rd_regs(struct dvb_usb_device *d, u32 reg, u8 *val, int len)
155 {
156 u8 wbuf[] = { len, 2, 0, 0, (reg >> 8) & 0xff, reg & 0xff };
157 u8 mbox = (reg >> 16) & 0xff;
158 struct usb_req req = { CMD_MEM_RD, mbox, sizeof(wbuf), wbuf, len, val };
159
160 return af9035_ctrl_msg(d, &req);
161 }
162
163 /* write single register */
164 static int af9035_wr_reg(struct dvb_usb_device *d, u32 reg, u8 val)
165 {
166 return af9035_wr_regs(d, reg, &val, 1);
167 }
168
169 /* read single register */
170 static int af9035_rd_reg(struct dvb_usb_device *d, u32 reg, u8 *val)
171 {
172 return af9035_rd_regs(d, reg, val, 1);
173 }
174
175 /* write single register with mask */
176 static int af9035_wr_reg_mask(struct dvb_usb_device *d, u32 reg, u8 val,
177 u8 mask)
178 {
179 int ret;
180 u8 tmp;
181
182 /* no need for read if whole reg is written */
183 if (mask != 0xff) {
184 ret = af9035_rd_regs(d, reg, &tmp, 1);
185 if (ret)
186 return ret;
187
188 val &= mask;
189 tmp &= ~mask;
190 val |= tmp;
191 }
192
193 return af9035_wr_regs(d, reg, &val, 1);
194 }
195
196 static int af9035_i2c_master_xfer(struct i2c_adapter *adap,
197 struct i2c_msg msg[], int num)
198 {
199 struct dvb_usb_device *d = i2c_get_adapdata(adap);
200 struct state *state = d_to_priv(d);
201 int ret;
202
203 if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
204 return -EAGAIN;
205
206 /*
207 * I2C sub header is 5 bytes long. Meaning of those bytes are:
208 * 0: data len
209 * 1: I2C addr << 1
210 * 2: reg addr len
211 * byte 3 and 4 can be used as reg addr
212 * 3: reg addr MSB
213 * used when reg addr len is set to 2
214 * 4: reg addr LSB
215 * used when reg addr len is set to 1 or 2
216 *
217 * For the simplify we do not use register addr at all.
218 * NOTE: As a firmware knows tuner type there is very small possibility
219 * there could be some tuner I2C hacks done by firmware and this may
220 * lead problems if firmware expects those bytes are used.
221 */
222 if (num == 2 && !(msg[0].flags & I2C_M_RD) &&
223 (msg[1].flags & I2C_M_RD)) {
224 if (msg[0].len > 40 || msg[1].len > 40) {
225 /* TODO: correct limits > 40 */
226 ret = -EOPNOTSUPP;
227 } else if ((msg[0].addr == state->af9033_config[0].i2c_addr) ||
228 (msg[0].addr == state->af9033_config[1].i2c_addr)) {
229 /* demod access via firmware interface */
230 u32 reg = msg[0].buf[0] << 16 | msg[0].buf[1] << 8 |
231 msg[0].buf[2];
232
233 if (msg[0].addr == state->af9033_config[1].i2c_addr)
234 reg |= 0x100000;
235
236 ret = af9035_rd_regs(d, reg, &msg[1].buf[0],
237 msg[1].len);
238 } else {
239 /* I2C */
240 u8 buf[MAX_XFER_SIZE];
241 struct usb_req req = { CMD_I2C_RD, 0, 5 + msg[0].len,
242 buf, msg[1].len, msg[1].buf };
243
244 if (5 + msg[0].len > sizeof(buf)) {
245 dev_warn(&d->udev->dev,
246 "%s: i2c xfer: len=%d is too big!\n",
247 KBUILD_MODNAME, msg[0].len);
248 ret = -EOPNOTSUPP;
249 goto unlock;
250 }
251 req.mbox |= ((msg[0].addr & 0x80) >> 3);
252 buf[0] = msg[1].len;
253 buf[1] = msg[0].addr << 1;
254 buf[2] = 0x00; /* reg addr len */
255 buf[3] = 0x00; /* reg addr MSB */
256 buf[4] = 0x00; /* reg addr LSB */
257 memcpy(&buf[5], msg[0].buf, msg[0].len);
258 ret = af9035_ctrl_msg(d, &req);
259 }
260 } else if (num == 1 && !(msg[0].flags & I2C_M_RD)) {
261 if (msg[0].len > 40) {
262 /* TODO: correct limits > 40 */
263 ret = -EOPNOTSUPP;
264 } else if ((msg[0].addr == state->af9033_config[0].i2c_addr) ||
265 (msg[0].addr == state->af9033_config[1].i2c_addr)) {
266 /* demod access via firmware interface */
267 u32 reg = msg[0].buf[0] << 16 | msg[0].buf[1] << 8 |
268 msg[0].buf[2];
269
270 if (msg[0].addr == state->af9033_config[1].i2c_addr)
271 reg |= 0x100000;
272
273 ret = af9035_wr_regs(d, reg, &msg[0].buf[3],
274 msg[0].len - 3);
275 } else {
276 /* I2C */
277 u8 buf[MAX_XFER_SIZE];
278 struct usb_req req = { CMD_I2C_WR, 0, 5 + msg[0].len,
279 buf, 0, NULL };
280
281 if (5 + msg[0].len > sizeof(buf)) {
282 dev_warn(&d->udev->dev,
283 "%s: i2c xfer: len=%d is too big!\n",
284 KBUILD_MODNAME, msg[0].len);
285 ret = -EOPNOTSUPP;
286 goto unlock;
287 }
288 req.mbox |= ((msg[0].addr & 0x80) >> 3);
289 buf[0] = msg[0].len;
290 buf[1] = msg[0].addr << 1;
291 buf[2] = 0x00; /* reg addr len */
292 buf[3] = 0x00; /* reg addr MSB */
293 buf[4] = 0x00; /* reg addr LSB */
294 memcpy(&buf[5], msg[0].buf, msg[0].len);
295 ret = af9035_ctrl_msg(d, &req);
296 }
297 } else if (num == 1 && (msg[0].flags & I2C_M_RD)) {
298 if (msg[0].len > 40) {
299 /* TODO: correct limits > 40 */
300 ret = -EOPNOTSUPP;
301 } else {
302 /* I2C */
303 u8 buf[5];
304 struct usb_req req = { CMD_I2C_RD, 0, sizeof(buf),
305 buf, msg[0].len, msg[0].buf };
306 req.mbox |= ((msg[0].addr & 0x80) >> 3);
307 buf[0] = msg[0].len;
308 buf[1] = msg[0].addr << 1;
309 buf[2] = 0x00; /* reg addr len */
310 buf[3] = 0x00; /* reg addr MSB */
311 buf[4] = 0x00; /* reg addr LSB */
312 ret = af9035_ctrl_msg(d, &req);
313 }
314 } else {
315 /*
316 * We support only three kind of I2C transactions:
317 * 1) 1 x read + 1 x write (repeated start)
318 * 2) 1 x write
319 * 3) 1 x read
320 */
321 ret = -EOPNOTSUPP;
322 }
323
324 unlock:
325 mutex_unlock(&d->i2c_mutex);
326
327 if (ret < 0)
328 return ret;
329 else
330 return num;
331 }
332
333 static u32 af9035_i2c_functionality(struct i2c_adapter *adapter)
334 {
335 return I2C_FUNC_I2C;
336 }
337
338 static struct i2c_algorithm af9035_i2c_algo = {
339 .master_xfer = af9035_i2c_master_xfer,
340 .functionality = af9035_i2c_functionality,
341 };
342
343 static int af9035_identify_state(struct dvb_usb_device *d, const char **name)
344 {
345 struct state *state = d_to_priv(d);
346 int ret;
347 u8 wbuf[1] = { 1 };
348 u8 rbuf[4];
349 struct usb_req req = { CMD_FW_QUERYINFO, 0, sizeof(wbuf), wbuf,
350 sizeof(rbuf), rbuf };
351
352 ret = af9035_rd_regs(d, 0x1222, rbuf, 3);
353 if (ret < 0)
354 goto err;
355
356 state->chip_version = rbuf[0];
357 state->chip_type = rbuf[2] << 8 | rbuf[1] << 0;
358
359 ret = af9035_rd_reg(d, 0x384f, &state->prechip_version);
360 if (ret < 0)
361 goto err;
362
363 dev_info(&d->udev->dev,
364 "%s: prechip_version=%02x chip_version=%02x chip_type=%04x\n",
365 KBUILD_MODNAME, state->prechip_version,
366 state->chip_version, state->chip_type);
367
368 if (state->chip_type == 0x9135) {
369 if (state->chip_version == 0x02)
370 *name = AF9035_FIRMWARE_IT9135_V2;
371 else
372 *name = AF9035_FIRMWARE_IT9135_V1;
373 state->eeprom_addr = EEPROM_BASE_IT9135;
374 } else {
375 *name = AF9035_FIRMWARE_AF9035;
376 state->eeprom_addr = EEPROM_BASE_AF9035;
377 }
378
379 ret = af9035_ctrl_msg(d, &req);
380 if (ret < 0)
381 goto err;
382
383 dev_dbg(&d->udev->dev, "%s: reply=%*ph\n", __func__, 4, rbuf);
384 if (rbuf[0] || rbuf[1] || rbuf[2] || rbuf[3])
385 ret = WARM;
386 else
387 ret = COLD;
388
389 return ret;
390
391 err:
392 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
393
394 return ret;
395 }
396
397 static int af9035_download_firmware_old(struct dvb_usb_device *d,
398 const struct firmware *fw)
399 {
400 int ret, i, j, len;
401 u8 wbuf[1];
402 struct usb_req req = { 0, 0, 0, NULL, 0, NULL };
403 struct usb_req req_fw_dl = { CMD_FW_DL, 0, 0, wbuf, 0, NULL };
404 u8 hdr_core;
405 u16 hdr_addr, hdr_data_len, hdr_checksum;
406 #define MAX_DATA 58
407 #define HDR_SIZE 7
408
409 /*
410 * Thanks to Daniel Glöckner <daniel-gl@gmx.net> about that info!
411 *
412 * byte 0: MCS 51 core
413 * There are two inside the AF9035 (1=Link and 2=OFDM) with separate
414 * address spaces
415 * byte 1-2: Big endian destination address
416 * byte 3-4: Big endian number of data bytes following the header
417 * byte 5-6: Big endian header checksum, apparently ignored by the chip
418 * Calculated as ~(h[0]*256+h[1]+h[2]*256+h[3]+h[4]*256)
419 */
420
421 for (i = fw->size; i > HDR_SIZE;) {
422 hdr_core = fw->data[fw->size - i + 0];
423 hdr_addr = fw->data[fw->size - i + 1] << 8;
424 hdr_addr |= fw->data[fw->size - i + 2] << 0;
425 hdr_data_len = fw->data[fw->size - i + 3] << 8;
426 hdr_data_len |= fw->data[fw->size - i + 4] << 0;
427 hdr_checksum = fw->data[fw->size - i + 5] << 8;
428 hdr_checksum |= fw->data[fw->size - i + 6] << 0;
429
430 dev_dbg(&d->udev->dev,
431 "%s: core=%d addr=%04x data_len=%d checksum=%04x\n",
432 __func__, hdr_core, hdr_addr, hdr_data_len,
433 hdr_checksum);
434
435 if (((hdr_core != 1) && (hdr_core != 2)) ||
436 (hdr_data_len > i)) {
437 dev_dbg(&d->udev->dev, "%s: bad firmware\n", __func__);
438 break;
439 }
440
441 /* download begin packet */
442 req.cmd = CMD_FW_DL_BEGIN;
443 ret = af9035_ctrl_msg(d, &req);
444 if (ret < 0)
445 goto err;
446
447 /* download firmware packet(s) */
448 for (j = HDR_SIZE + hdr_data_len; j > 0; j -= MAX_DATA) {
449 len = j;
450 if (len > MAX_DATA)
451 len = MAX_DATA;
452 req_fw_dl.wlen = len;
453 req_fw_dl.wbuf = (u8 *) &fw->data[fw->size - i +
454 HDR_SIZE + hdr_data_len - j];
455 ret = af9035_ctrl_msg(d, &req_fw_dl);
456 if (ret < 0)
457 goto err;
458 }
459
460 /* download end packet */
461 req.cmd = CMD_FW_DL_END;
462 ret = af9035_ctrl_msg(d, &req);
463 if (ret < 0)
464 goto err;
465
466 i -= hdr_data_len + HDR_SIZE;
467
468 dev_dbg(&d->udev->dev, "%s: data uploaded=%zu\n",
469 __func__, fw->size - i);
470 }
471
472 /* print warn if firmware is bad, continue and see what happens */
473 if (i)
474 dev_warn(&d->udev->dev, "%s: bad firmware\n", KBUILD_MODNAME);
475
476 return 0;
477
478 err:
479 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
480
481 return ret;
482 }
483
484 static int af9035_download_firmware_new(struct dvb_usb_device *d,
485 const struct firmware *fw)
486 {
487 int ret, i, i_prev;
488 struct usb_req req_fw_dl = { CMD_FW_SCATTER_WR, 0, 0, NULL, 0, NULL };
489 #define HDR_SIZE 7
490
491 /*
492 * There seems to be following firmware header. Meaning of bytes 0-3
493 * is unknown.
494 *
495 * 0: 3
496 * 1: 0, 1
497 * 2: 0
498 * 3: 1, 2, 3
499 * 4: addr MSB
500 * 5: addr LSB
501 * 6: count of data bytes ?
502 */
503 for (i = HDR_SIZE, i_prev = 0; i <= fw->size; i++) {
504 if (i == fw->size ||
505 (fw->data[i + 0] == 0x03 &&
506 (fw->data[i + 1] == 0x00 ||
507 fw->data[i + 1] == 0x01) &&
508 fw->data[i + 2] == 0x00)) {
509 req_fw_dl.wlen = i - i_prev;
510 req_fw_dl.wbuf = (u8 *) &fw->data[i_prev];
511 i_prev = i;
512 ret = af9035_ctrl_msg(d, &req_fw_dl);
513 if (ret < 0)
514 goto err;
515
516 dev_dbg(&d->udev->dev, "%s: data uploaded=%d\n",
517 __func__, i);
518 }
519 }
520
521 return 0;
522
523 err:
524 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
525
526 return ret;
527 }
528
529 static int af9035_download_firmware(struct dvb_usb_device *d,
530 const struct firmware *fw)
531 {
532 struct state *state = d_to_priv(d);
533 int ret;
534 u8 wbuf[1];
535 u8 rbuf[4];
536 u8 tmp;
537 struct usb_req req = { 0, 0, 0, NULL, 0, NULL };
538 struct usb_req req_fw_ver = { CMD_FW_QUERYINFO, 0, 1, wbuf, 4, rbuf };
539 dev_dbg(&d->udev->dev, "%s:\n", __func__);
540
541 /*
542 * In case of dual tuner configuration we need to do some extra
543 * initialization in order to download firmware to slave demod too,
544 * which is done by master demod.
545 * Master feeds also clock and controls power via GPIO.
546 */
547 ret = af9035_rd_reg(d, state->eeprom_addr + EEPROM_TS_MODE, &tmp);
548 if (ret < 0)
549 goto err;
550
551 if (tmp == 1 || tmp == 3) {
552 /* configure gpioh1, reset & power slave demod */
553 ret = af9035_wr_reg_mask(d, 0x00d8b0, 0x01, 0x01);
554 if (ret < 0)
555 goto err;
556
557 ret = af9035_wr_reg_mask(d, 0x00d8b1, 0x01, 0x01);
558 if (ret < 0)
559 goto err;
560
561 ret = af9035_wr_reg_mask(d, 0x00d8af, 0x00, 0x01);
562 if (ret < 0)
563 goto err;
564
565 usleep_range(10000, 50000);
566
567 ret = af9035_wr_reg_mask(d, 0x00d8af, 0x01, 0x01);
568 if (ret < 0)
569 goto err;
570
571 /* tell the slave I2C address */
572 ret = af9035_rd_reg(d,
573 state->eeprom_addr + EEPROM_2ND_DEMOD_ADDR,
574 &tmp);
575 if (ret < 0)
576 goto err;
577
578 /* use default I2C address if eeprom has no address set */
579 if (!tmp)
580 tmp = 0x3a;
581
582 if (state->chip_type == 0x9135) {
583 ret = af9035_wr_reg(d, 0x004bfb, tmp);
584 if (ret < 0)
585 goto err;
586 } else {
587 ret = af9035_wr_reg(d, 0x00417f, tmp);
588 if (ret < 0)
589 goto err;
590
591 /* enable clock out */
592 ret = af9035_wr_reg_mask(d, 0x00d81a, 0x01, 0x01);
593 if (ret < 0)
594 goto err;
595 }
596 }
597
598 if (fw->data[0] == 0x01)
599 ret = af9035_download_firmware_old(d, fw);
600 else
601 ret = af9035_download_firmware_new(d, fw);
602 if (ret < 0)
603 goto err;
604
605 /* firmware loaded, request boot */
606 req.cmd = CMD_FW_BOOT;
607 ret = af9035_ctrl_msg(d, &req);
608 if (ret < 0)
609 goto err;
610
611 /* ensure firmware starts */
612 wbuf[0] = 1;
613 ret = af9035_ctrl_msg(d, &req_fw_ver);
614 if (ret < 0)
615 goto err;
616
617 if (!(rbuf[0] || rbuf[1] || rbuf[2] || rbuf[3])) {
618 dev_err(&d->udev->dev, "%s: firmware did not run\n",
619 KBUILD_MODNAME);
620 ret = -ENODEV;
621 goto err;
622 }
623
624 dev_info(&d->udev->dev, "%s: firmware version=%d.%d.%d.%d",
625 KBUILD_MODNAME, rbuf[0], rbuf[1], rbuf[2], rbuf[3]);
626
627 return 0;
628
629 err:
630 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
631
632 return ret;
633 }
634
635 static int af9035_read_config(struct dvb_usb_device *d)
636 {
637 struct state *state = d_to_priv(d);
638 int ret, i;
639 u8 tmp;
640 u16 tmp16, addr;
641
642 /* demod I2C "address" */
643 state->af9033_config[0].i2c_addr = 0x38;
644 state->af9033_config[1].i2c_addr = 0x3a;
645 state->af9033_config[0].adc_multiplier = AF9033_ADC_MULTIPLIER_2X;
646 state->af9033_config[1].adc_multiplier = AF9033_ADC_MULTIPLIER_2X;
647 state->af9033_config[0].ts_mode = AF9033_TS_MODE_USB;
648 state->af9033_config[1].ts_mode = AF9033_TS_MODE_SERIAL;
649
650 /* eeprom memory mapped location */
651 if (state->chip_type == 0x9135) {
652 if (state->chip_version == 0x02) {
653 state->af9033_config[0].tuner = AF9033_TUNER_IT9135_60;
654 state->af9033_config[1].tuner = AF9033_TUNER_IT9135_60;
655 tmp16 = 0x00461d;
656 } else {
657 state->af9033_config[0].tuner = AF9033_TUNER_IT9135_38;
658 state->af9033_config[1].tuner = AF9033_TUNER_IT9135_38;
659 tmp16 = 0x00461b;
660 }
661
662 /* check if eeprom exists */
663 ret = af9035_rd_reg(d, tmp16, &tmp);
664 if (ret < 0)
665 goto err;
666
667 if (tmp == 0x00) {
668 dev_dbg(&d->udev->dev, "%s: no eeprom\n", __func__);
669 goto skip_eeprom;
670 }
671 }
672
673 /* check if there is dual tuners */
674 ret = af9035_rd_reg(d, state->eeprom_addr + EEPROM_TS_MODE, &tmp);
675 if (ret < 0)
676 goto err;
677
678 if (tmp == 1 || tmp == 3)
679 state->dual_mode = true;
680
681 dev_dbg(&d->udev->dev, "%s: ts mode=%d dual mode=%d\n", __func__,
682 tmp, state->dual_mode);
683
684 if (state->dual_mode) {
685 /* read 2nd demodulator I2C address */
686 ret = af9035_rd_reg(d,
687 state->eeprom_addr + EEPROM_2ND_DEMOD_ADDR,
688 &tmp);
689 if (ret < 0)
690 goto err;
691
692 if (tmp)
693 state->af9033_config[1].i2c_addr = tmp;
694
695 dev_dbg(&d->udev->dev, "%s: 2nd demod I2C addr=%02x\n",
696 __func__, tmp);
697 }
698
699 addr = state->eeprom_addr;
700
701 for (i = 0; i < state->dual_mode + 1; i++) {
702 /* tuner */
703 ret = af9035_rd_reg(d, addr + EEPROM_1_TUNER_ID, &tmp);
704 if (ret < 0)
705 goto err;
706
707 dev_dbg(&d->udev->dev, "%s: [%d]tuner=%02x\n",
708 __func__, i, tmp);
709
710 /* tuner sanity check */
711 if (state->chip_type == 0x9135) {
712 if (state->chip_version == 0x02) {
713 /* IT9135 BX (v2) */
714 switch (tmp) {
715 case AF9033_TUNER_IT9135_60:
716 case AF9033_TUNER_IT9135_61:
717 case AF9033_TUNER_IT9135_62:
718 state->af9033_config[i].tuner = tmp;
719 break;
720 }
721 } else {
722 /* IT9135 AX (v1) */
723 switch (tmp) {
724 case AF9033_TUNER_IT9135_38:
725 case AF9033_TUNER_IT9135_51:
726 case AF9033_TUNER_IT9135_52:
727 state->af9033_config[i].tuner = tmp;
728 break;
729 }
730 }
731 } else {
732 /* AF9035 */
733 state->af9033_config[i].tuner = tmp;
734 }
735
736 if (state->af9033_config[i].tuner != tmp) {
737 dev_info(&d->udev->dev,
738 "%s: [%d] overriding tuner from %02x to %02x\n",
739 KBUILD_MODNAME, i, tmp,
740 state->af9033_config[i].tuner);
741 }
742
743 switch (state->af9033_config[i].tuner) {
744 case AF9033_TUNER_TUA9001:
745 case AF9033_TUNER_FC0011:
746 case AF9033_TUNER_MXL5007T:
747 case AF9033_TUNER_TDA18218:
748 case AF9033_TUNER_FC2580:
749 case AF9033_TUNER_FC0012:
750 state->af9033_config[i].spec_inv = 1;
751 break;
752 case AF9033_TUNER_IT9135_38:
753 case AF9033_TUNER_IT9135_51:
754 case AF9033_TUNER_IT9135_52:
755 case AF9033_TUNER_IT9135_60:
756 case AF9033_TUNER_IT9135_61:
757 case AF9033_TUNER_IT9135_62:
758 break;
759 default:
760 dev_warn(&d->udev->dev,
761 "%s: tuner id=%02x not supported, please report!",
762 KBUILD_MODNAME, tmp);
763 }
764
765 /* disable dual mode if driver does not support it */
766 if (i == 1)
767 switch (state->af9033_config[i].tuner) {
768 case AF9033_TUNER_FC0012:
769 case AF9033_TUNER_IT9135_38:
770 case AF9033_TUNER_IT9135_51:
771 case AF9033_TUNER_IT9135_52:
772 case AF9033_TUNER_IT9135_60:
773 case AF9033_TUNER_IT9135_61:
774 case AF9033_TUNER_IT9135_62:
775 case AF9033_TUNER_MXL5007T:
776 break;
777 default:
778 state->dual_mode = false;
779 dev_info(&d->udev->dev,
780 "%s: driver does not support 2nd tuner and will disable it",
781 KBUILD_MODNAME);
782 }
783
784 /* tuner IF frequency */
785 ret = af9035_rd_reg(d, addr + EEPROM_1_IF_L, &tmp);
786 if (ret < 0)
787 goto err;
788
789 tmp16 = tmp;
790
791 ret = af9035_rd_reg(d, addr + EEPROM_1_IF_H, &tmp);
792 if (ret < 0)
793 goto err;
794
795 tmp16 |= tmp << 8;
796
797 dev_dbg(&d->udev->dev, "%s: [%d]IF=%d\n", __func__, i, tmp16);
798
799 addr += 0x10; /* shift for the 2nd tuner params */
800 }
801
802 skip_eeprom:
803 /* get demod clock */
804 ret = af9035_rd_reg(d, 0x00d800, &tmp);
805 if (ret < 0)
806 goto err;
807
808 tmp = (tmp >> 0) & 0x0f;
809
810 for (i = 0; i < ARRAY_SIZE(state->af9033_config); i++) {
811 if (state->chip_type == 0x9135)
812 state->af9033_config[i].clock = clock_lut_it9135[tmp];
813 else
814 state->af9033_config[i].clock = clock_lut_af9035[tmp];
815 }
816
817 return 0;
818
819 err:
820 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
821
822 return ret;
823 }
824
825 static int af9035_tua9001_tuner_callback(struct dvb_usb_device *d,
826 int cmd, int arg)
827 {
828 int ret;
829 u8 val;
830
831 dev_dbg(&d->udev->dev, "%s: cmd=%d arg=%d\n", __func__, cmd, arg);
832
833 /*
834 * CEN always enabled by hardware wiring
835 * RESETN GPIOT3
836 * RXEN GPIOT2
837 */
838
839 switch (cmd) {
840 case TUA9001_CMD_RESETN:
841 if (arg)
842 val = 0x00;
843 else
844 val = 0x01;
845
846 ret = af9035_wr_reg_mask(d, 0x00d8e7, val, 0x01);
847 if (ret < 0)
848 goto err;
849 break;
850 case TUA9001_CMD_RXEN:
851 if (arg)
852 val = 0x01;
853 else
854 val = 0x00;
855
856 ret = af9035_wr_reg_mask(d, 0x00d8eb, val, 0x01);
857 if (ret < 0)
858 goto err;
859 break;
860 }
861
862 return 0;
863
864 err:
865 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
866
867 return ret;
868 }
869
870
871 static int af9035_fc0011_tuner_callback(struct dvb_usb_device *d,
872 int cmd, int arg)
873 {
874 int ret;
875
876 switch (cmd) {
877 case FC0011_FE_CALLBACK_POWER:
878 /* Tuner enable */
879 ret = af9035_wr_reg_mask(d, 0xd8eb, 1, 1);
880 if (ret < 0)
881 goto err;
882
883 ret = af9035_wr_reg_mask(d, 0xd8ec, 1, 1);
884 if (ret < 0)
885 goto err;
886
887 ret = af9035_wr_reg_mask(d, 0xd8ed, 1, 1);
888 if (ret < 0)
889 goto err;
890
891 /* LED */
892 ret = af9035_wr_reg_mask(d, 0xd8d0, 1, 1);
893 if (ret < 0)
894 goto err;
895
896 ret = af9035_wr_reg_mask(d, 0xd8d1, 1, 1);
897 if (ret < 0)
898 goto err;
899
900 usleep_range(10000, 50000);
901 break;
902 case FC0011_FE_CALLBACK_RESET:
903 ret = af9035_wr_reg(d, 0xd8e9, 1);
904 if (ret < 0)
905 goto err;
906
907 ret = af9035_wr_reg(d, 0xd8e8, 1);
908 if (ret < 0)
909 goto err;
910
911 ret = af9035_wr_reg(d, 0xd8e7, 1);
912 if (ret < 0)
913 goto err;
914
915 usleep_range(10000, 20000);
916
917 ret = af9035_wr_reg(d, 0xd8e7, 0);
918 if (ret < 0)
919 goto err;
920
921 usleep_range(10000, 20000);
922 break;
923 default:
924 ret = -EINVAL;
925 goto err;
926 }
927
928 return 0;
929
930 err:
931 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
932
933 return ret;
934 }
935
936 static int af9035_tuner_callback(struct dvb_usb_device *d, int cmd, int arg)
937 {
938 struct state *state = d_to_priv(d);
939
940 switch (state->af9033_config[0].tuner) {
941 case AF9033_TUNER_FC0011:
942 return af9035_fc0011_tuner_callback(d, cmd, arg);
943 case AF9033_TUNER_TUA9001:
944 return af9035_tua9001_tuner_callback(d, cmd, arg);
945 default:
946 break;
947 }
948
949 return 0;
950 }
951
952 static int af9035_frontend_callback(void *adapter_priv, int component,
953 int cmd, int arg)
954 {
955 struct i2c_adapter *adap = adapter_priv;
956 struct dvb_usb_device *d = i2c_get_adapdata(adap);
957
958 dev_dbg(&d->udev->dev, "%s: component=%d cmd=%d arg=%d\n",
959 __func__, component, cmd, arg);
960
961 switch (component) {
962 case DVB_FRONTEND_COMPONENT_TUNER:
963 return af9035_tuner_callback(d, cmd, arg);
964 default:
965 break;
966 }
967
968 return 0;
969 }
970
971 static int af9035_get_adapter_count(struct dvb_usb_device *d)
972 {
973 struct state *state = d_to_priv(d);
974 return state->dual_mode + 1;
975 }
976
977 static int af9035_frontend_attach(struct dvb_usb_adapter *adap)
978 {
979 struct state *state = adap_to_priv(adap);
980 struct dvb_usb_device *d = adap_to_d(adap);
981 int ret;
982 dev_dbg(&d->udev->dev, "%s:\n", __func__);
983
984 if (!state->af9033_config[adap->id].tuner) {
985 /* unsupported tuner */
986 ret = -ENODEV;
987 goto err;
988 }
989
990 /* attach demodulator */
991 adap->fe[0] = dvb_attach(af9033_attach, &state->af9033_config[adap->id],
992 &d->i2c_adap, &state->ops);
993 if (adap->fe[0] == NULL) {
994 ret = -ENODEV;
995 goto err;
996 }
997
998 /* disable I2C-gate */
999 adap->fe[0]->ops.i2c_gate_ctrl = NULL;
1000 adap->fe[0]->callback = af9035_frontend_callback;
1001
1002 return 0;
1003
1004 err:
1005 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
1006
1007 return ret;
1008 }
1009
1010 static struct tua9001_config af9035_tua9001_config = {
1011 .i2c_addr = 0x60,
1012 };
1013
1014 static const struct fc0011_config af9035_fc0011_config = {
1015 .i2c_address = 0x60,
1016 };
1017
1018 static struct mxl5007t_config af9035_mxl5007t_config[] = {
1019 {
1020 .xtal_freq_hz = MxL_XTAL_24_MHZ,
1021 .if_freq_hz = MxL_IF_4_57_MHZ,
1022 .invert_if = 0,
1023 .loop_thru_enable = 0,
1024 .clk_out_enable = 0,
1025 .clk_out_amp = MxL_CLKOUT_AMP_0_94V,
1026 }, {
1027 .xtal_freq_hz = MxL_XTAL_24_MHZ,
1028 .if_freq_hz = MxL_IF_4_57_MHZ,
1029 .invert_if = 0,
1030 .loop_thru_enable = 1,
1031 .clk_out_enable = 1,
1032 .clk_out_amp = MxL_CLKOUT_AMP_0_94V,
1033 }
1034 };
1035
1036 static struct tda18218_config af9035_tda18218_config = {
1037 .i2c_address = 0x60,
1038 .i2c_wr_max = 21,
1039 };
1040
1041 static const struct fc2580_config af9035_fc2580_config = {
1042 .i2c_addr = 0x56,
1043 .clock = 16384000,
1044 };
1045
1046 static const struct fc0012_config af9035_fc0012_config[] = {
1047 {
1048 .i2c_address = 0x63,
1049 .xtal_freq = FC_XTAL_36_MHZ,
1050 .dual_master = true,
1051 .loop_through = true,
1052 .clock_out = true,
1053 }, {
1054 .i2c_address = 0x63 | 0x80, /* I2C bus select hack */
1055 .xtal_freq = FC_XTAL_36_MHZ,
1056 .dual_master = true,
1057 }
1058 };
1059
1060 static int af9035_tuner_attach(struct dvb_usb_adapter *adap)
1061 {
1062 struct state *state = adap_to_priv(adap);
1063 struct dvb_usb_device *d = adap_to_d(adap);
1064 int ret;
1065 struct dvb_frontend *fe;
1066 struct i2c_msg msg[1];
1067 u8 tuner_addr;
1068 dev_dbg(&d->udev->dev, "%s:\n", __func__);
1069
1070 /*
1071 * XXX: Hack used in that function: we abuse unused I2C address bit [7]
1072 * to carry info about used I2C bus for dual tuner configuration.
1073 */
1074
1075 switch (state->af9033_config[adap->id].tuner) {
1076 case AF9033_TUNER_TUA9001:
1077 /* AF9035 gpiot3 = TUA9001 RESETN
1078 AF9035 gpiot2 = TUA9001 RXEN */
1079
1080 /* configure gpiot2 and gpiot2 as output */
1081 ret = af9035_wr_reg_mask(d, 0x00d8ec, 0x01, 0x01);
1082 if (ret < 0)
1083 goto err;
1084
1085 ret = af9035_wr_reg_mask(d, 0x00d8ed, 0x01, 0x01);
1086 if (ret < 0)
1087 goto err;
1088
1089 ret = af9035_wr_reg_mask(d, 0x00d8e8, 0x01, 0x01);
1090 if (ret < 0)
1091 goto err;
1092
1093 ret = af9035_wr_reg_mask(d, 0x00d8e9, 0x01, 0x01);
1094 if (ret < 0)
1095 goto err;
1096
1097 /* attach tuner */
1098 fe = dvb_attach(tua9001_attach, adap->fe[0],
1099 &d->i2c_adap, &af9035_tua9001_config);
1100 break;
1101 case AF9033_TUNER_FC0011:
1102 fe = dvb_attach(fc0011_attach, adap->fe[0],
1103 &d->i2c_adap, &af9035_fc0011_config);
1104 break;
1105 case AF9033_TUNER_MXL5007T:
1106 if (adap->id == 0) {
1107 ret = af9035_wr_reg(d, 0x00d8e0, 1);
1108 if (ret < 0)
1109 goto err;
1110
1111 ret = af9035_wr_reg(d, 0x00d8e1, 1);
1112 if (ret < 0)
1113 goto err;
1114
1115 ret = af9035_wr_reg(d, 0x00d8df, 0);
1116 if (ret < 0)
1117 goto err;
1118
1119 msleep(30);
1120
1121 ret = af9035_wr_reg(d, 0x00d8df, 1);
1122 if (ret < 0)
1123 goto err;
1124
1125 msleep(300);
1126
1127 ret = af9035_wr_reg(d, 0x00d8c0, 1);
1128 if (ret < 0)
1129 goto err;
1130
1131 ret = af9035_wr_reg(d, 0x00d8c1, 1);
1132 if (ret < 0)
1133 goto err;
1134
1135 ret = af9035_wr_reg(d, 0x00d8bf, 0);
1136 if (ret < 0)
1137 goto err;
1138
1139 ret = af9035_wr_reg(d, 0x00d8b4, 1);
1140 if (ret < 0)
1141 goto err;
1142
1143 ret = af9035_wr_reg(d, 0x00d8b5, 1);
1144 if (ret < 0)
1145 goto err;
1146
1147 ret = af9035_wr_reg(d, 0x00d8b3, 1);
1148 if (ret < 0)
1149 goto err;
1150
1151 tuner_addr = 0x60;
1152 } else {
1153 tuner_addr = 0x60 | 0x80; /* I2C bus hack */
1154 }
1155
1156 /* attach tuner */
1157 fe = dvb_attach(mxl5007t_attach, adap->fe[0], &d->i2c_adap,
1158 tuner_addr, &af9035_mxl5007t_config[adap->id]);
1159 break;
1160 case AF9033_TUNER_TDA18218:
1161 /* attach tuner */
1162 fe = dvb_attach(tda18218_attach, adap->fe[0],
1163 &d->i2c_adap, &af9035_tda18218_config);
1164 break;
1165 case AF9033_TUNER_FC2580:
1166 /* Tuner enable using gpiot2_o, gpiot2_en and gpiot2_on */
1167 ret = af9035_wr_reg_mask(d, 0xd8eb, 0x01, 0x01);
1168 if (ret < 0)
1169 goto err;
1170
1171 ret = af9035_wr_reg_mask(d, 0xd8ec, 0x01, 0x01);
1172 if (ret < 0)
1173 goto err;
1174
1175 ret = af9035_wr_reg_mask(d, 0xd8ed, 0x01, 0x01);
1176 if (ret < 0)
1177 goto err;
1178
1179 usleep_range(10000, 50000);
1180 /* attach tuner */
1181 fe = dvb_attach(fc2580_attach, adap->fe[0],
1182 &d->i2c_adap, &af9035_fc2580_config);
1183 break;
1184 case AF9033_TUNER_FC0012:
1185 /*
1186 * AF9035 gpiot2 = FC0012 enable
1187 * XXX: there seems to be something on gpioh8 too, but on my
1188 * my test I didn't find any difference.
1189 */
1190
1191 if (adap->id == 0) {
1192 /* configure gpiot2 as output and high */
1193 ret = af9035_wr_reg_mask(d, 0xd8eb, 0x01, 0x01);
1194 if (ret < 0)
1195 goto err;
1196
1197 ret = af9035_wr_reg_mask(d, 0xd8ec, 0x01, 0x01);
1198 if (ret < 0)
1199 goto err;
1200
1201 ret = af9035_wr_reg_mask(d, 0xd8ed, 0x01, 0x01);
1202 if (ret < 0)
1203 goto err;
1204 } else {
1205 /*
1206 * FIXME: That belongs for the FC0012 driver.
1207 * Write 02 to FC0012 master tuner register 0d directly
1208 * in order to make slave tuner working.
1209 */
1210 msg[0].addr = 0x63;
1211 msg[0].flags = 0;
1212 msg[0].len = 2;
1213 msg[0].buf = "\x0d\x02";
1214 ret = i2c_transfer(&d->i2c_adap, msg, 1);
1215 if (ret < 0)
1216 goto err;
1217 }
1218
1219 usleep_range(10000, 50000);
1220
1221 fe = dvb_attach(fc0012_attach, adap->fe[0], &d->i2c_adap,
1222 &af9035_fc0012_config[adap->id]);
1223 break;
1224 case AF9033_TUNER_IT9135_38:
1225 case AF9033_TUNER_IT9135_51:
1226 case AF9033_TUNER_IT9135_52:
1227 case AF9033_TUNER_IT9135_60:
1228 case AF9033_TUNER_IT9135_61:
1229 case AF9033_TUNER_IT9135_62:
1230 /* attach tuner */
1231 fe = dvb_attach(it913x_attach, adap->fe[0], &d->i2c_adap,
1232 state->af9033_config[adap->id].i2c_addr,
1233 state->af9033_config[0].tuner);
1234 break;
1235 default:
1236 fe = NULL;
1237 }
1238
1239 if (fe == NULL) {
1240 ret = -ENODEV;
1241 goto err;
1242 }
1243
1244 return 0;
1245
1246 err:
1247 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
1248
1249 return ret;
1250 }
1251
1252 static int af9035_init(struct dvb_usb_device *d)
1253 {
1254 struct state *state = d_to_priv(d);
1255 int ret, i;
1256 u16 frame_size = (d->udev->speed == USB_SPEED_FULL ? 5 : 87) * 188 / 4;
1257 u8 packet_size = (d->udev->speed == USB_SPEED_FULL ? 64 : 512) / 4;
1258 struct reg_val_mask tab[] = {
1259 { 0x80f99d, 0x01, 0x01 },
1260 { 0x80f9a4, 0x01, 0x01 },
1261 { 0x00dd11, 0x00, 0x20 },
1262 { 0x00dd11, 0x00, 0x40 },
1263 { 0x00dd13, 0x00, 0x20 },
1264 { 0x00dd13, 0x00, 0x40 },
1265 { 0x00dd11, 0x20, 0x20 },
1266 { 0x00dd88, (frame_size >> 0) & 0xff, 0xff},
1267 { 0x00dd89, (frame_size >> 8) & 0xff, 0xff},
1268 { 0x00dd0c, packet_size, 0xff},
1269 { 0x00dd11, state->dual_mode << 6, 0x40 },
1270 { 0x00dd8a, (frame_size >> 0) & 0xff, 0xff},
1271 { 0x00dd8b, (frame_size >> 8) & 0xff, 0xff},
1272 { 0x00dd0d, packet_size, 0xff },
1273 { 0x80f9a3, state->dual_mode, 0x01 },
1274 { 0x80f9cd, state->dual_mode, 0x01 },
1275 { 0x80f99d, 0x00, 0x01 },
1276 { 0x80f9a4, 0x00, 0x01 },
1277 };
1278
1279 dev_dbg(&d->udev->dev,
1280 "%s: USB speed=%d frame_size=%04x packet_size=%02x\n",
1281 __func__, d->udev->speed, frame_size, packet_size);
1282
1283 /* init endpoints */
1284 for (i = 0; i < ARRAY_SIZE(tab); i++) {
1285 ret = af9035_wr_reg_mask(d, tab[i].reg, tab[i].val,
1286 tab[i].mask);
1287 if (ret < 0)
1288 goto err;
1289 }
1290
1291 return 0;
1292
1293 err:
1294 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
1295
1296 return ret;
1297 }
1298
1299 #if IS_ENABLED(CONFIG_RC_CORE)
1300 static int af9035_rc_query(struct dvb_usb_device *d)
1301 {
1302 int ret;
1303 u32 key;
1304 u8 buf[4];
1305 struct usb_req req = { CMD_IR_GET, 0, 0, NULL, 4, buf };
1306
1307 ret = af9035_ctrl_msg(d, &req);
1308 if (ret == 1)
1309 return 0;
1310 else if (ret < 0)
1311 goto err;
1312
1313 if ((buf[2] + buf[3]) == 0xff) {
1314 if ((buf[0] + buf[1]) == 0xff) {
1315 /* NEC standard 16bit */
1316 key = buf[0] << 8 | buf[2];
1317 } else {
1318 /* NEC extended 24bit */
1319 key = buf[0] << 16 | buf[1] << 8 | buf[2];
1320 }
1321 } else {
1322 /* NEC full code 32bit */
1323 key = buf[0] << 24 | buf[1] << 16 | buf[2] << 8 | buf[3];
1324 }
1325
1326 dev_dbg(&d->udev->dev, "%s: %*ph\n", __func__, 4, buf);
1327
1328 rc_keydown(d->rc_dev, key, 0);
1329
1330 return 0;
1331
1332 err:
1333 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
1334
1335 return ret;
1336 }
1337
1338 static int af9035_get_rc_config(struct dvb_usb_device *d, struct dvb_usb_rc *rc)
1339 {
1340 struct state *state = d_to_priv(d);
1341 int ret;
1342 u8 tmp;
1343
1344 ret = af9035_rd_reg(d, state->eeprom_addr + EEPROM_IR_MODE, &tmp);
1345 if (ret < 0)
1346 goto err;
1347
1348 dev_dbg(&d->udev->dev, "%s: ir_mode=%02x\n", __func__, tmp);
1349
1350 /* don't activate rc if in HID mode or if not available */
1351 if (tmp == 5) {
1352 ret = af9035_rd_reg(d, state->eeprom_addr + EEPROM_IR_TYPE,
1353 &tmp);
1354 if (ret < 0)
1355 goto err;
1356
1357 dev_dbg(&d->udev->dev, "%s: ir_type=%02x\n", __func__, tmp);
1358
1359 switch (tmp) {
1360 case 0: /* NEC */
1361 default:
1362 rc->allowed_protos = RC_BIT_NEC;
1363 break;
1364 case 1: /* RC6 */
1365 rc->allowed_protos = RC_BIT_RC6_MCE;
1366 break;
1367 }
1368
1369 rc->query = af9035_rc_query;
1370 rc->interval = 500;
1371
1372 /* load empty to enable rc */
1373 if (!rc->map_name)
1374 rc->map_name = RC_MAP_EMPTY;
1375 }
1376
1377 return 0;
1378
1379 err:
1380 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
1381
1382 return ret;
1383 }
1384 #else
1385 #define af9035_get_rc_config NULL
1386 #endif
1387
1388 static int af9035_get_stream_config(struct dvb_frontend *fe, u8 *ts_type,
1389 struct usb_data_stream_properties *stream)
1390 {
1391 struct dvb_usb_device *d = fe_to_d(fe);
1392 dev_dbg(&d->udev->dev, "%s: adap=%d\n", __func__, fe_to_adap(fe)->id);
1393
1394 if (d->udev->speed == USB_SPEED_FULL)
1395 stream->u.bulk.buffersize = 5 * 188;
1396
1397 return 0;
1398 }
1399
1400 static int af9035_pid_filter_ctrl(struct dvb_usb_adapter *adap, int onoff)
1401 {
1402 struct state *state = adap_to_priv(adap);
1403
1404 return state->ops.pid_filter_ctrl(adap->fe[0], onoff);
1405 }
1406
1407 static int af9035_pid_filter(struct dvb_usb_adapter *adap, int index, u16 pid,
1408 int onoff)
1409 {
1410 struct state *state = adap_to_priv(adap);
1411
1412 return state->ops.pid_filter(adap->fe[0], index, pid, onoff);
1413 }
1414
1415 static int af9035_probe(struct usb_interface *intf,
1416 const struct usb_device_id *id)
1417 {
1418 struct usb_device *udev = interface_to_usbdev(intf);
1419 char manufacturer[sizeof("Afatech")];
1420
1421 memset(manufacturer, 0, sizeof(manufacturer));
1422 usb_string(udev, udev->descriptor.iManufacturer,
1423 manufacturer, sizeof(manufacturer));
1424 /*
1425 * There is two devices having same ID but different chipset. One uses
1426 * AF9015 and the other IT9135 chipset. Only difference seen on lsusb
1427 * is iManufacturer string.
1428 *
1429 * idVendor 0x0ccd TerraTec Electronic GmbH
1430 * idProduct 0x0099
1431 * bcdDevice 2.00
1432 * iManufacturer 1 Afatech
1433 * iProduct 2 DVB-T 2
1434 *
1435 * idVendor 0x0ccd TerraTec Electronic GmbH
1436 * idProduct 0x0099
1437 * bcdDevice 2.00
1438 * iManufacturer 1 ITE Technologies, Inc.
1439 * iProduct 2 DVB-T TV Stick
1440 */
1441 if ((le16_to_cpu(udev->descriptor.idVendor) == USB_VID_TERRATEC) &&
1442 (le16_to_cpu(udev->descriptor.idProduct) == 0x0099)) {
1443 if (!strcmp("Afatech", manufacturer)) {
1444 dev_dbg(&udev->dev, "%s: rejecting device\n", __func__);
1445 return -ENODEV;
1446 }
1447 }
1448
1449 return dvb_usbv2_probe(intf, id);
1450 }
1451
1452 /* interface 0 is used by DVB-T receiver and
1453 interface 1 is for remote controller (HID) */
1454 static const struct dvb_usb_device_properties af9035_props = {
1455 .driver_name = KBUILD_MODNAME,
1456 .owner = THIS_MODULE,
1457 .adapter_nr = adapter_nr,
1458 .size_of_priv = sizeof(struct state),
1459
1460 .generic_bulk_ctrl_endpoint = 0x02,
1461 .generic_bulk_ctrl_endpoint_response = 0x81,
1462
1463 .identify_state = af9035_identify_state,
1464 .download_firmware = af9035_download_firmware,
1465
1466 .i2c_algo = &af9035_i2c_algo,
1467 .read_config = af9035_read_config,
1468 .frontend_attach = af9035_frontend_attach,
1469 .tuner_attach = af9035_tuner_attach,
1470 .init = af9035_init,
1471 .get_rc_config = af9035_get_rc_config,
1472 .get_stream_config = af9035_get_stream_config,
1473
1474 .get_adapter_count = af9035_get_adapter_count,
1475 .adapter = {
1476 {
1477 .caps = DVB_USB_ADAP_HAS_PID_FILTER |
1478 DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
1479
1480 .pid_filter_count = 32,
1481 .pid_filter_ctrl = af9035_pid_filter_ctrl,
1482 .pid_filter = af9035_pid_filter,
1483
1484 .stream = DVB_USB_STREAM_BULK(0x84, 6, 87 * 188),
1485 }, {
1486 .caps = DVB_USB_ADAP_HAS_PID_FILTER |
1487 DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
1488
1489 .pid_filter_count = 32,
1490 .pid_filter_ctrl = af9035_pid_filter_ctrl,
1491 .pid_filter = af9035_pid_filter,
1492
1493 .stream = DVB_USB_STREAM_BULK(0x85, 6, 87 * 188),
1494 },
1495 },
1496 };
1497
1498 static const struct usb_device_id af9035_id_table[] = {
1499 /* AF9035 devices */
1500 { DVB_USB_DEVICE(USB_VID_AFATECH, USB_PID_AFATECH_AF9035_9035,
1501 &af9035_props, "Afatech AF9035 reference design", NULL) },
1502 { DVB_USB_DEVICE(USB_VID_AFATECH, USB_PID_AFATECH_AF9035_1000,
1503 &af9035_props, "Afatech AF9035 reference design", NULL) },
1504 { DVB_USB_DEVICE(USB_VID_AFATECH, USB_PID_AFATECH_AF9035_1001,
1505 &af9035_props, "Afatech AF9035 reference design", NULL) },
1506 { DVB_USB_DEVICE(USB_VID_AFATECH, USB_PID_AFATECH_AF9035_1002,
1507 &af9035_props, "Afatech AF9035 reference design", NULL) },
1508 { DVB_USB_DEVICE(USB_VID_AFATECH, USB_PID_AFATECH_AF9035_1003,
1509 &af9035_props, "Afatech AF9035 reference design", NULL) },
1510 { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_CINERGY_T_STICK,
1511 &af9035_props, "TerraTec Cinergy T Stick", NULL) },
1512 { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_A835,
1513 &af9035_props, "AVerMedia AVerTV Volar HD/PRO (A835)", NULL) },
1514 { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_B835,
1515 &af9035_props, "AVerMedia AVerTV Volar HD/PRO (A835)", NULL) },
1516 { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_1867,
1517 &af9035_props, "AVerMedia HD Volar (A867)", NULL) },
1518 { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_A867,
1519 &af9035_props, "AVerMedia HD Volar (A867)", NULL) },
1520 { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_TWINSTAR,
1521 &af9035_props, "AVerMedia Twinstar (A825)", NULL) },
1522 { DVB_USB_DEVICE(USB_VID_ASUS, USB_PID_ASUS_U3100MINI_PLUS,
1523 &af9035_props, "Asus U3100Mini Plus", NULL) },
1524 { DVB_USB_DEVICE(USB_VID_TERRATEC, 0x00aa,
1525 &af9035_props, "TerraTec Cinergy T Stick (rev. 2)", NULL) },
1526 /* IT9135 devices */
1527 { DVB_USB_DEVICE(USB_VID_ITETECH, USB_PID_ITETECH_IT9135,
1528 &af9035_props, "ITE 9135 Generic", RC_MAP_IT913X_V1) },
1529 { DVB_USB_DEVICE(USB_VID_ITETECH, USB_PID_ITETECH_IT9135_9005,
1530 &af9035_props, "ITE 9135(9005) Generic", RC_MAP_IT913X_V2) },
1531 { DVB_USB_DEVICE(USB_VID_ITETECH, USB_PID_ITETECH_IT9135_9006,
1532 &af9035_props, "ITE 9135(9006) Generic", RC_MAP_IT913X_V1) },
1533 { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_A835B_1835,
1534 &af9035_props, "Avermedia A835B(1835)", RC_MAP_IT913X_V2) },
1535 { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_A835B_2835,
1536 &af9035_props, "Avermedia A835B(2835)", RC_MAP_IT913X_V2) },
1537 { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_A835B_3835,
1538 &af9035_props, "Avermedia A835B(3835)", RC_MAP_IT913X_V2) },
1539 { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_A835B_4835,
1540 &af9035_props, "Avermedia A835B(4835)", RC_MAP_IT913X_V2) },
1541 { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_H335,
1542 &af9035_props, "Avermedia H335", RC_MAP_IT913X_V2) },
1543 { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_KWORLD_UB499_2T_T09,
1544 &af9035_props, "Kworld UB499-2T T09", RC_MAP_IT913X_V1) },
1545 { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_SVEON_STV22_IT9137,
1546 &af9035_props, "Sveon STV22 Dual DVB-T HDTV",
1547 RC_MAP_IT913X_V1) },
1548 { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_CTVDIGDUAL_V2,
1549 &af9035_props, "Digital Dual TV Receiver CTVDIGDUAL_V2",
1550 RC_MAP_IT913X_V1) },
1551 /* XXX: that same ID [0ccd:0099] is used by af9015 driver too */
1552 { DVB_USB_DEVICE(USB_VID_TERRATEC, 0x0099,
1553 &af9035_props, "TerraTec Cinergy T Stick Dual RC (rev. 2)", NULL) },
1554 { DVB_USB_DEVICE(USB_VID_LEADTEK, 0x6a05,
1555 &af9035_props, "Leadtek WinFast DTV Dongle Dual", NULL) },
1556 { DVB_USB_DEVICE(USB_VID_HAUPPAUGE, 0xf900,
1557 &af9035_props, "Hauppauge WinTV-MiniStick 2", NULL) },
1558 { }
1559 };
1560 MODULE_DEVICE_TABLE(usb, af9035_id_table);
1561
1562 static struct usb_driver af9035_usb_driver = {
1563 .name = KBUILD_MODNAME,
1564 .id_table = af9035_id_table,
1565 .probe = af9035_probe,
1566 .disconnect = dvb_usbv2_disconnect,
1567 .suspend = dvb_usbv2_suspend,
1568 .resume = dvb_usbv2_resume,
1569 .reset_resume = dvb_usbv2_reset_resume,
1570 .no_dynamic_id = 1,
1571 .soft_unbind = 1,
1572 };
1573
1574 module_usb_driver(af9035_usb_driver);
1575
1576 MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
1577 MODULE_DESCRIPTION("Afatech AF9035 driver");
1578 MODULE_LICENSE("GPL");
1579 MODULE_FIRMWARE(AF9035_FIRMWARE_AF9035);
1580 MODULE_FIRMWARE(AF9035_FIRMWARE_IT9135_V1);
1581 MODULE_FIRMWARE(AF9035_FIRMWARE_IT9135_V2);
Linux with added FPC-III support