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[media] af9035: enable AF9033 demod clock source for IT9135
[deliverable/linux.git] / drivers / media / usb / dvb-usb-v2 / af9035.c
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 if (state->chip_type == 0x9135) {
651 /* feed clock for integrated RF tuner */
652 state->af9033_config[0].dyn0_clk = true;
653 state->af9033_config[1].dyn0_clk = true;
654
655 if (state->chip_version == 0x02) {
656 state->af9033_config[0].tuner = AF9033_TUNER_IT9135_60;
657 state->af9033_config[1].tuner = AF9033_TUNER_IT9135_60;
658 tmp16 = 0x00461d; /* eeprom memory mapped location */
659 } else {
660 state->af9033_config[0].tuner = AF9033_TUNER_IT9135_38;
661 state->af9033_config[1].tuner = AF9033_TUNER_IT9135_38;
662 tmp16 = 0x00461b; /* eeprom memory mapped location */
663 }
664
665 /* check if eeprom exists */
666 ret = af9035_rd_reg(d, tmp16, &tmp);
667 if (ret < 0)
668 goto err;
669
670 if (tmp == 0x00) {
671 dev_dbg(&d->udev->dev, "%s: no eeprom\n", __func__);
672 goto skip_eeprom;
673 }
674 }
675
676 /* check if there is dual tuners */
677 ret = af9035_rd_reg(d, state->eeprom_addr + EEPROM_TS_MODE, &tmp);
678 if (ret < 0)
679 goto err;
680
681 if (tmp == 1 || tmp == 3)
682 state->dual_mode = true;
683
684 dev_dbg(&d->udev->dev, "%s: ts mode=%d dual mode=%d\n", __func__,
685 tmp, state->dual_mode);
686
687 if (state->dual_mode) {
688 /* read 2nd demodulator I2C address */
689 ret = af9035_rd_reg(d,
690 state->eeprom_addr + EEPROM_2ND_DEMOD_ADDR,
691 &tmp);
692 if (ret < 0)
693 goto err;
694
695 if (tmp)
696 state->af9033_config[1].i2c_addr = tmp;
697
698 dev_dbg(&d->udev->dev, "%s: 2nd demod I2C addr=%02x\n",
699 __func__, tmp);
700 }
701
702 addr = state->eeprom_addr;
703
704 for (i = 0; i < state->dual_mode + 1; i++) {
705 /* tuner */
706 ret = af9035_rd_reg(d, addr + EEPROM_1_TUNER_ID, &tmp);
707 if (ret < 0)
708 goto err;
709
710 dev_dbg(&d->udev->dev, "%s: [%d]tuner=%02x\n",
711 __func__, i, tmp);
712
713 /* tuner sanity check */
714 if (state->chip_type == 0x9135) {
715 if (state->chip_version == 0x02) {
716 /* IT9135 BX (v2) */
717 switch (tmp) {
718 case AF9033_TUNER_IT9135_60:
719 case AF9033_TUNER_IT9135_61:
720 case AF9033_TUNER_IT9135_62:
721 state->af9033_config[i].tuner = tmp;
722 break;
723 }
724 } else {
725 /* IT9135 AX (v1) */
726 switch (tmp) {
727 case AF9033_TUNER_IT9135_38:
728 case AF9033_TUNER_IT9135_51:
729 case AF9033_TUNER_IT9135_52:
730 state->af9033_config[i].tuner = tmp;
731 break;
732 }
733 }
734 } else {
735 /* AF9035 */
736 state->af9033_config[i].tuner = tmp;
737 }
738
739 if (state->af9033_config[i].tuner != tmp) {
740 dev_info(&d->udev->dev,
741 "%s: [%d] overriding tuner from %02x to %02x\n",
742 KBUILD_MODNAME, i, tmp,
743 state->af9033_config[i].tuner);
744 }
745
746 switch (state->af9033_config[i].tuner) {
747 case AF9033_TUNER_TUA9001:
748 case AF9033_TUNER_FC0011:
749 case AF9033_TUNER_MXL5007T:
750 case AF9033_TUNER_TDA18218:
751 case AF9033_TUNER_FC2580:
752 case AF9033_TUNER_FC0012:
753 state->af9033_config[i].spec_inv = 1;
754 break;
755 case AF9033_TUNER_IT9135_38:
756 case AF9033_TUNER_IT9135_51:
757 case AF9033_TUNER_IT9135_52:
758 case AF9033_TUNER_IT9135_60:
759 case AF9033_TUNER_IT9135_61:
760 case AF9033_TUNER_IT9135_62:
761 break;
762 default:
763 dev_warn(&d->udev->dev,
764 "%s: tuner id=%02x not supported, please report!",
765 KBUILD_MODNAME, tmp);
766 }
767
768 /* disable dual mode if driver does not support it */
769 if (i == 1)
770 switch (state->af9033_config[i].tuner) {
771 case AF9033_TUNER_FC0012:
772 case AF9033_TUNER_IT9135_38:
773 case AF9033_TUNER_IT9135_51:
774 case AF9033_TUNER_IT9135_52:
775 case AF9033_TUNER_IT9135_60:
776 case AF9033_TUNER_IT9135_61:
777 case AF9033_TUNER_IT9135_62:
778 case AF9033_TUNER_MXL5007T:
779 break;
780 default:
781 state->dual_mode = false;
782 dev_info(&d->udev->dev,
783 "%s: driver does not support 2nd tuner and will disable it",
784 KBUILD_MODNAME);
785 }
786
787 /* tuner IF frequency */
788 ret = af9035_rd_reg(d, addr + EEPROM_1_IF_L, &tmp);
789 if (ret < 0)
790 goto err;
791
792 tmp16 = tmp;
793
794 ret = af9035_rd_reg(d, addr + EEPROM_1_IF_H, &tmp);
795 if (ret < 0)
796 goto err;
797
798 tmp16 |= tmp << 8;
799
800 dev_dbg(&d->udev->dev, "%s: [%d]IF=%d\n", __func__, i, tmp16);
801
802 addr += 0x10; /* shift for the 2nd tuner params */
803 }
804
805 /*
806 * These AVerMedia devices has a bad EEPROM content :-(
807 * Override some wrong values here.
808 */
809 if (le16_to_cpu(d->udev->descriptor.idVendor) == USB_VID_AVERMEDIA) {
810 switch (le16_to_cpu(d->udev->descriptor.idProduct)) {
811 case USB_PID_AVERMEDIA_A835B_1835:
812 case USB_PID_AVERMEDIA_A835B_2835:
813 case USB_PID_AVERMEDIA_A835B_3835:
814 dev_info(&d->udev->dev,
815 "%s: overriding tuner from %02x to %02x\n",
816 KBUILD_MODNAME, state->af9033_config[0].tuner,
817 AF9033_TUNER_IT9135_60);
818
819 state->af9033_config[0].tuner = AF9033_TUNER_IT9135_60;
820 break;
821 }
822 }
823
824 skip_eeprom:
825 /* get demod clock */
826 ret = af9035_rd_reg(d, 0x00d800, &tmp);
827 if (ret < 0)
828 goto err;
829
830 tmp = (tmp >> 0) & 0x0f;
831
832 for (i = 0; i < ARRAY_SIZE(state->af9033_config); i++) {
833 if (state->chip_type == 0x9135)
834 state->af9033_config[i].clock = clock_lut_it9135[tmp];
835 else
836 state->af9033_config[i].clock = clock_lut_af9035[tmp];
837 }
838
839 return 0;
840
841 err:
842 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
843
844 return ret;
845 }
846
847 static int af9035_tua9001_tuner_callback(struct dvb_usb_device *d,
848 int cmd, int arg)
849 {
850 int ret;
851 u8 val;
852
853 dev_dbg(&d->udev->dev, "%s: cmd=%d arg=%d\n", __func__, cmd, arg);
854
855 /*
856 * CEN always enabled by hardware wiring
857 * RESETN GPIOT3
858 * RXEN GPIOT2
859 */
860
861 switch (cmd) {
862 case TUA9001_CMD_RESETN:
863 if (arg)
864 val = 0x00;
865 else
866 val = 0x01;
867
868 ret = af9035_wr_reg_mask(d, 0x00d8e7, val, 0x01);
869 if (ret < 0)
870 goto err;
871 break;
872 case TUA9001_CMD_RXEN:
873 if (arg)
874 val = 0x01;
875 else
876 val = 0x00;
877
878 ret = af9035_wr_reg_mask(d, 0x00d8eb, val, 0x01);
879 if (ret < 0)
880 goto err;
881 break;
882 }
883
884 return 0;
885
886 err:
887 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
888
889 return ret;
890 }
891
892
893 static int af9035_fc0011_tuner_callback(struct dvb_usb_device *d,
894 int cmd, int arg)
895 {
896 int ret;
897
898 switch (cmd) {
899 case FC0011_FE_CALLBACK_POWER:
900 /* Tuner enable */
901 ret = af9035_wr_reg_mask(d, 0xd8eb, 1, 1);
902 if (ret < 0)
903 goto err;
904
905 ret = af9035_wr_reg_mask(d, 0xd8ec, 1, 1);
906 if (ret < 0)
907 goto err;
908
909 ret = af9035_wr_reg_mask(d, 0xd8ed, 1, 1);
910 if (ret < 0)
911 goto err;
912
913 /* LED */
914 ret = af9035_wr_reg_mask(d, 0xd8d0, 1, 1);
915 if (ret < 0)
916 goto err;
917
918 ret = af9035_wr_reg_mask(d, 0xd8d1, 1, 1);
919 if (ret < 0)
920 goto err;
921
922 usleep_range(10000, 50000);
923 break;
924 case FC0011_FE_CALLBACK_RESET:
925 ret = af9035_wr_reg(d, 0xd8e9, 1);
926 if (ret < 0)
927 goto err;
928
929 ret = af9035_wr_reg(d, 0xd8e8, 1);
930 if (ret < 0)
931 goto err;
932
933 ret = af9035_wr_reg(d, 0xd8e7, 1);
934 if (ret < 0)
935 goto err;
936
937 usleep_range(10000, 20000);
938
939 ret = af9035_wr_reg(d, 0xd8e7, 0);
940 if (ret < 0)
941 goto err;
942
943 usleep_range(10000, 20000);
944 break;
945 default:
946 ret = -EINVAL;
947 goto err;
948 }
949
950 return 0;
951
952 err:
953 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
954
955 return ret;
956 }
957
958 static int af9035_tuner_callback(struct dvb_usb_device *d, int cmd, int arg)
959 {
960 struct state *state = d_to_priv(d);
961
962 switch (state->af9033_config[0].tuner) {
963 case AF9033_TUNER_FC0011:
964 return af9035_fc0011_tuner_callback(d, cmd, arg);
965 case AF9033_TUNER_TUA9001:
966 return af9035_tua9001_tuner_callback(d, cmd, arg);
967 default:
968 break;
969 }
970
971 return 0;
972 }
973
974 static int af9035_frontend_callback(void *adapter_priv, int component,
975 int cmd, int arg)
976 {
977 struct i2c_adapter *adap = adapter_priv;
978 struct dvb_usb_device *d = i2c_get_adapdata(adap);
979
980 dev_dbg(&d->udev->dev, "%s: component=%d cmd=%d arg=%d\n",
981 __func__, component, cmd, arg);
982
983 switch (component) {
984 case DVB_FRONTEND_COMPONENT_TUNER:
985 return af9035_tuner_callback(d, cmd, arg);
986 default:
987 break;
988 }
989
990 return 0;
991 }
992
993 static int af9035_get_adapter_count(struct dvb_usb_device *d)
994 {
995 struct state *state = d_to_priv(d);
996 return state->dual_mode + 1;
997 }
998
999 static int af9035_frontend_attach(struct dvb_usb_adapter *adap)
1000 {
1001 struct state *state = adap_to_priv(adap);
1002 struct dvb_usb_device *d = adap_to_d(adap);
1003 int ret;
1004 dev_dbg(&d->udev->dev, "%s:\n", __func__);
1005
1006 if (!state->af9033_config[adap->id].tuner) {
1007 /* unsupported tuner */
1008 ret = -ENODEV;
1009 goto err;
1010 }
1011
1012 /* attach demodulator */
1013 adap->fe[0] = dvb_attach(af9033_attach, &state->af9033_config[adap->id],
1014 &d->i2c_adap, &state->ops);
1015 if (adap->fe[0] == NULL) {
1016 ret = -ENODEV;
1017 goto err;
1018 }
1019
1020 /* disable I2C-gate */
1021 adap->fe[0]->ops.i2c_gate_ctrl = NULL;
1022 adap->fe[0]->callback = af9035_frontend_callback;
1023
1024 return 0;
1025
1026 err:
1027 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
1028
1029 return ret;
1030 }
1031
1032 static struct tua9001_config af9035_tua9001_config = {
1033 .i2c_addr = 0x60,
1034 };
1035
1036 static const struct fc0011_config af9035_fc0011_config = {
1037 .i2c_address = 0x60,
1038 };
1039
1040 static struct mxl5007t_config af9035_mxl5007t_config[] = {
1041 {
1042 .xtal_freq_hz = MxL_XTAL_24_MHZ,
1043 .if_freq_hz = MxL_IF_4_57_MHZ,
1044 .invert_if = 0,
1045 .loop_thru_enable = 0,
1046 .clk_out_enable = 0,
1047 .clk_out_amp = MxL_CLKOUT_AMP_0_94V,
1048 }, {
1049 .xtal_freq_hz = MxL_XTAL_24_MHZ,
1050 .if_freq_hz = MxL_IF_4_57_MHZ,
1051 .invert_if = 0,
1052 .loop_thru_enable = 1,
1053 .clk_out_enable = 1,
1054 .clk_out_amp = MxL_CLKOUT_AMP_0_94V,
1055 }
1056 };
1057
1058 static struct tda18218_config af9035_tda18218_config = {
1059 .i2c_address = 0x60,
1060 .i2c_wr_max = 21,
1061 };
1062
1063 static const struct fc2580_config af9035_fc2580_config = {
1064 .i2c_addr = 0x56,
1065 .clock = 16384000,
1066 };
1067
1068 static const struct fc0012_config af9035_fc0012_config[] = {
1069 {
1070 .i2c_address = 0x63,
1071 .xtal_freq = FC_XTAL_36_MHZ,
1072 .dual_master = true,
1073 .loop_through = true,
1074 .clock_out = true,
1075 }, {
1076 .i2c_address = 0x63 | 0x80, /* I2C bus select hack */
1077 .xtal_freq = FC_XTAL_36_MHZ,
1078 .dual_master = true,
1079 }
1080 };
1081
1082 static int af9035_tuner_attach(struct dvb_usb_adapter *adap)
1083 {
1084 struct state *state = adap_to_priv(adap);
1085 struct dvb_usb_device *d = adap_to_d(adap);
1086 int ret;
1087 struct dvb_frontend *fe;
1088 struct i2c_msg msg[1];
1089 u8 tuner_addr;
1090 dev_dbg(&d->udev->dev, "%s:\n", __func__);
1091
1092 /*
1093 * XXX: Hack used in that function: we abuse unused I2C address bit [7]
1094 * to carry info about used I2C bus for dual tuner configuration.
1095 */
1096
1097 switch (state->af9033_config[adap->id].tuner) {
1098 case AF9033_TUNER_TUA9001:
1099 /* AF9035 gpiot3 = TUA9001 RESETN
1100 AF9035 gpiot2 = TUA9001 RXEN */
1101
1102 /* configure gpiot2 and gpiot2 as output */
1103 ret = af9035_wr_reg_mask(d, 0x00d8ec, 0x01, 0x01);
1104 if (ret < 0)
1105 goto err;
1106
1107 ret = af9035_wr_reg_mask(d, 0x00d8ed, 0x01, 0x01);
1108 if (ret < 0)
1109 goto err;
1110
1111 ret = af9035_wr_reg_mask(d, 0x00d8e8, 0x01, 0x01);
1112 if (ret < 0)
1113 goto err;
1114
1115 ret = af9035_wr_reg_mask(d, 0x00d8e9, 0x01, 0x01);
1116 if (ret < 0)
1117 goto err;
1118
1119 /* attach tuner */
1120 fe = dvb_attach(tua9001_attach, adap->fe[0],
1121 &d->i2c_adap, &af9035_tua9001_config);
1122 break;
1123 case AF9033_TUNER_FC0011:
1124 fe = dvb_attach(fc0011_attach, adap->fe[0],
1125 &d->i2c_adap, &af9035_fc0011_config);
1126 break;
1127 case AF9033_TUNER_MXL5007T:
1128 if (adap->id == 0) {
1129 ret = af9035_wr_reg(d, 0x00d8e0, 1);
1130 if (ret < 0)
1131 goto err;
1132
1133 ret = af9035_wr_reg(d, 0x00d8e1, 1);
1134 if (ret < 0)
1135 goto err;
1136
1137 ret = af9035_wr_reg(d, 0x00d8df, 0);
1138 if (ret < 0)
1139 goto err;
1140
1141 msleep(30);
1142
1143 ret = af9035_wr_reg(d, 0x00d8df, 1);
1144 if (ret < 0)
1145 goto err;
1146
1147 msleep(300);
1148
1149 ret = af9035_wr_reg(d, 0x00d8c0, 1);
1150 if (ret < 0)
1151 goto err;
1152
1153 ret = af9035_wr_reg(d, 0x00d8c1, 1);
1154 if (ret < 0)
1155 goto err;
1156
1157 ret = af9035_wr_reg(d, 0x00d8bf, 0);
1158 if (ret < 0)
1159 goto err;
1160
1161 ret = af9035_wr_reg(d, 0x00d8b4, 1);
1162 if (ret < 0)
1163 goto err;
1164
1165 ret = af9035_wr_reg(d, 0x00d8b5, 1);
1166 if (ret < 0)
1167 goto err;
1168
1169 ret = af9035_wr_reg(d, 0x00d8b3, 1);
1170 if (ret < 0)
1171 goto err;
1172
1173 tuner_addr = 0x60;
1174 } else {
1175 tuner_addr = 0x60 | 0x80; /* I2C bus hack */
1176 }
1177
1178 /* attach tuner */
1179 fe = dvb_attach(mxl5007t_attach, adap->fe[0], &d->i2c_adap,
1180 tuner_addr, &af9035_mxl5007t_config[adap->id]);
1181 break;
1182 case AF9033_TUNER_TDA18218:
1183 /* attach tuner */
1184 fe = dvb_attach(tda18218_attach, adap->fe[0],
1185 &d->i2c_adap, &af9035_tda18218_config);
1186 break;
1187 case AF9033_TUNER_FC2580:
1188 /* Tuner enable using gpiot2_o, gpiot2_en and gpiot2_on */
1189 ret = af9035_wr_reg_mask(d, 0xd8eb, 0x01, 0x01);
1190 if (ret < 0)
1191 goto err;
1192
1193 ret = af9035_wr_reg_mask(d, 0xd8ec, 0x01, 0x01);
1194 if (ret < 0)
1195 goto err;
1196
1197 ret = af9035_wr_reg_mask(d, 0xd8ed, 0x01, 0x01);
1198 if (ret < 0)
1199 goto err;
1200
1201 usleep_range(10000, 50000);
1202 /* attach tuner */
1203 fe = dvb_attach(fc2580_attach, adap->fe[0],
1204 &d->i2c_adap, &af9035_fc2580_config);
1205 break;
1206 case AF9033_TUNER_FC0012:
1207 /*
1208 * AF9035 gpiot2 = FC0012 enable
1209 * XXX: there seems to be something on gpioh8 too, but on my
1210 * my test I didn't find any difference.
1211 */
1212
1213 if (adap->id == 0) {
1214 /* configure gpiot2 as output and high */
1215 ret = af9035_wr_reg_mask(d, 0xd8eb, 0x01, 0x01);
1216 if (ret < 0)
1217 goto err;
1218
1219 ret = af9035_wr_reg_mask(d, 0xd8ec, 0x01, 0x01);
1220 if (ret < 0)
1221 goto err;
1222
1223 ret = af9035_wr_reg_mask(d, 0xd8ed, 0x01, 0x01);
1224 if (ret < 0)
1225 goto err;
1226 } else {
1227 /*
1228 * FIXME: That belongs for the FC0012 driver.
1229 * Write 02 to FC0012 master tuner register 0d directly
1230 * in order to make slave tuner working.
1231 */
1232 msg[0].addr = 0x63;
1233 msg[0].flags = 0;
1234 msg[0].len = 2;
1235 msg[0].buf = "\x0d\x02";
1236 ret = i2c_transfer(&d->i2c_adap, msg, 1);
1237 if (ret < 0)
1238 goto err;
1239 }
1240
1241 usleep_range(10000, 50000);
1242
1243 fe = dvb_attach(fc0012_attach, adap->fe[0], &d->i2c_adap,
1244 &af9035_fc0012_config[adap->id]);
1245 break;
1246 case AF9033_TUNER_IT9135_38:
1247 case AF9033_TUNER_IT9135_51:
1248 case AF9033_TUNER_IT9135_52:
1249 case AF9033_TUNER_IT9135_60:
1250 case AF9033_TUNER_IT9135_61:
1251 case AF9033_TUNER_IT9135_62:
1252 /* attach tuner */
1253 fe = dvb_attach(it913x_attach, adap->fe[0], &d->i2c_adap,
1254 state->af9033_config[adap->id].i2c_addr,
1255 state->af9033_config[0].tuner);
1256 break;
1257 default:
1258 fe = NULL;
1259 }
1260
1261 if (fe == NULL) {
1262 ret = -ENODEV;
1263 goto err;
1264 }
1265
1266 return 0;
1267
1268 err:
1269 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
1270
1271 return ret;
1272 }
1273
1274 static int af9035_init(struct dvb_usb_device *d)
1275 {
1276 struct state *state = d_to_priv(d);
1277 int ret, i;
1278 u16 frame_size = (d->udev->speed == USB_SPEED_FULL ? 5 : 87) * 188 / 4;
1279 u8 packet_size = (d->udev->speed == USB_SPEED_FULL ? 64 : 512) / 4;
1280 struct reg_val_mask tab[] = {
1281 { 0x80f99d, 0x01, 0x01 },
1282 { 0x80f9a4, 0x01, 0x01 },
1283 { 0x00dd11, 0x00, 0x20 },
1284 { 0x00dd11, 0x00, 0x40 },
1285 { 0x00dd13, 0x00, 0x20 },
1286 { 0x00dd13, 0x00, 0x40 },
1287 { 0x00dd11, 0x20, 0x20 },
1288 { 0x00dd88, (frame_size >> 0) & 0xff, 0xff},
1289 { 0x00dd89, (frame_size >> 8) & 0xff, 0xff},
1290 { 0x00dd0c, packet_size, 0xff},
1291 { 0x00dd11, state->dual_mode << 6, 0x40 },
1292 { 0x00dd8a, (frame_size >> 0) & 0xff, 0xff},
1293 { 0x00dd8b, (frame_size >> 8) & 0xff, 0xff},
1294 { 0x00dd0d, packet_size, 0xff },
1295 { 0x80f9a3, state->dual_mode, 0x01 },
1296 { 0x80f9cd, state->dual_mode, 0x01 },
1297 { 0x80f99d, 0x00, 0x01 },
1298 { 0x80f9a4, 0x00, 0x01 },
1299 };
1300
1301 dev_dbg(&d->udev->dev,
1302 "%s: USB speed=%d frame_size=%04x packet_size=%02x\n",
1303 __func__, d->udev->speed, frame_size, packet_size);
1304
1305 /* init endpoints */
1306 for (i = 0; i < ARRAY_SIZE(tab); i++) {
1307 ret = af9035_wr_reg_mask(d, tab[i].reg, tab[i].val,
1308 tab[i].mask);
1309 if (ret < 0)
1310 goto err;
1311 }
1312
1313 return 0;
1314
1315 err:
1316 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
1317
1318 return ret;
1319 }
1320
1321 #if IS_ENABLED(CONFIG_RC_CORE)
1322 static int af9035_rc_query(struct dvb_usb_device *d)
1323 {
1324 int ret;
1325 u32 key;
1326 u8 buf[4];
1327 struct usb_req req = { CMD_IR_GET, 0, 0, NULL, 4, buf };
1328
1329 ret = af9035_ctrl_msg(d, &req);
1330 if (ret == 1)
1331 return 0;
1332 else if (ret < 0)
1333 goto err;
1334
1335 if ((buf[2] + buf[3]) == 0xff) {
1336 if ((buf[0] + buf[1]) == 0xff) {
1337 /* NEC standard 16bit */
1338 key = RC_SCANCODE_NEC(buf[0], buf[2]);
1339 } else {
1340 /* NEC extended 24bit */
1341 key = RC_SCANCODE_NECX(buf[0] << 8 | buf[1], buf[2]);
1342 }
1343 } else {
1344 /* NEC full code 32bit */
1345 key = RC_SCANCODE_NEC32(buf[0] << 24 | buf[1] << 16 |
1346 buf[2] << 8 | buf[3]);
1347 }
1348
1349 dev_dbg(&d->udev->dev, "%s: %*ph\n", __func__, 4, buf);
1350
1351 rc_keydown(d->rc_dev, RC_TYPE_NEC, key, 0);
1352
1353 return 0;
1354
1355 err:
1356 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
1357
1358 return ret;
1359 }
1360
1361 static int af9035_get_rc_config(struct dvb_usb_device *d, struct dvb_usb_rc *rc)
1362 {
1363 struct state *state = d_to_priv(d);
1364 int ret;
1365 u8 tmp;
1366
1367 ret = af9035_rd_reg(d, state->eeprom_addr + EEPROM_IR_MODE, &tmp);
1368 if (ret < 0)
1369 goto err;
1370
1371 dev_dbg(&d->udev->dev, "%s: ir_mode=%02x\n", __func__, tmp);
1372
1373 /* don't activate rc if in HID mode or if not available */
1374 if (tmp == 5) {
1375 ret = af9035_rd_reg(d, state->eeprom_addr + EEPROM_IR_TYPE,
1376 &tmp);
1377 if (ret < 0)
1378 goto err;
1379
1380 dev_dbg(&d->udev->dev, "%s: ir_type=%02x\n", __func__, tmp);
1381
1382 switch (tmp) {
1383 case 0: /* NEC */
1384 default:
1385 rc->allowed_protos = RC_BIT_NEC;
1386 break;
1387 case 1: /* RC6 */
1388 rc->allowed_protos = RC_BIT_RC6_MCE;
1389 break;
1390 }
1391
1392 rc->query = af9035_rc_query;
1393 rc->interval = 500;
1394
1395 /* load empty to enable rc */
1396 if (!rc->map_name)
1397 rc->map_name = RC_MAP_EMPTY;
1398 }
1399
1400 return 0;
1401
1402 err:
1403 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
1404
1405 return ret;
1406 }
1407 #else
1408 #define af9035_get_rc_config NULL
1409 #endif
1410
1411 static int af9035_get_stream_config(struct dvb_frontend *fe, u8 *ts_type,
1412 struct usb_data_stream_properties *stream)
1413 {
1414 struct dvb_usb_device *d = fe_to_d(fe);
1415 dev_dbg(&d->udev->dev, "%s: adap=%d\n", __func__, fe_to_adap(fe)->id);
1416
1417 if (d->udev->speed == USB_SPEED_FULL)
1418 stream->u.bulk.buffersize = 5 * 188;
1419
1420 return 0;
1421 }
1422
1423 static int af9035_pid_filter_ctrl(struct dvb_usb_adapter *adap, int onoff)
1424 {
1425 struct state *state = adap_to_priv(adap);
1426
1427 return state->ops.pid_filter_ctrl(adap->fe[0], onoff);
1428 }
1429
1430 static int af9035_pid_filter(struct dvb_usb_adapter *adap, int index, u16 pid,
1431 int onoff)
1432 {
1433 struct state *state = adap_to_priv(adap);
1434
1435 return state->ops.pid_filter(adap->fe[0], index, pid, onoff);
1436 }
1437
1438 static int af9035_probe(struct usb_interface *intf,
1439 const struct usb_device_id *id)
1440 {
1441 struct usb_device *udev = interface_to_usbdev(intf);
1442 char manufacturer[sizeof("Afatech")];
1443
1444 memset(manufacturer, 0, sizeof(manufacturer));
1445 usb_string(udev, udev->descriptor.iManufacturer,
1446 manufacturer, sizeof(manufacturer));
1447 /*
1448 * There is two devices having same ID but different chipset. One uses
1449 * AF9015 and the other IT9135 chipset. Only difference seen on lsusb
1450 * is iManufacturer string.
1451 *
1452 * idVendor 0x0ccd TerraTec Electronic GmbH
1453 * idProduct 0x0099
1454 * bcdDevice 2.00
1455 * iManufacturer 1 Afatech
1456 * iProduct 2 DVB-T 2
1457 *
1458 * idVendor 0x0ccd TerraTec Electronic GmbH
1459 * idProduct 0x0099
1460 * bcdDevice 2.00
1461 * iManufacturer 1 ITE Technologies, Inc.
1462 * iProduct 2 DVB-T TV Stick
1463 */
1464 if ((le16_to_cpu(udev->descriptor.idVendor) == USB_VID_TERRATEC) &&
1465 (le16_to_cpu(udev->descriptor.idProduct) == 0x0099)) {
1466 if (!strcmp("Afatech", manufacturer)) {
1467 dev_dbg(&udev->dev, "%s: rejecting device\n", __func__);
1468 return -ENODEV;
1469 }
1470 }
1471
1472 return dvb_usbv2_probe(intf, id);
1473 }
1474
1475 /* interface 0 is used by DVB-T receiver and
1476 interface 1 is for remote controller (HID) */
1477 static const struct dvb_usb_device_properties af9035_props = {
1478 .driver_name = KBUILD_MODNAME,
1479 .owner = THIS_MODULE,
1480 .adapter_nr = adapter_nr,
1481 .size_of_priv = sizeof(struct state),
1482
1483 .generic_bulk_ctrl_endpoint = 0x02,
1484 .generic_bulk_ctrl_endpoint_response = 0x81,
1485
1486 .identify_state = af9035_identify_state,
1487 .download_firmware = af9035_download_firmware,
1488
1489 .i2c_algo = &af9035_i2c_algo,
1490 .read_config = af9035_read_config,
1491 .frontend_attach = af9035_frontend_attach,
1492 .tuner_attach = af9035_tuner_attach,
1493 .init = af9035_init,
1494 .get_rc_config = af9035_get_rc_config,
1495 .get_stream_config = af9035_get_stream_config,
1496
1497 .get_adapter_count = af9035_get_adapter_count,
1498 .adapter = {
1499 {
1500 .caps = DVB_USB_ADAP_HAS_PID_FILTER |
1501 DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
1502
1503 .pid_filter_count = 32,
1504 .pid_filter_ctrl = af9035_pid_filter_ctrl,
1505 .pid_filter = af9035_pid_filter,
1506
1507 .stream = DVB_USB_STREAM_BULK(0x84, 6, 87 * 188),
1508 }, {
1509 .caps = DVB_USB_ADAP_HAS_PID_FILTER |
1510 DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
1511
1512 .pid_filter_count = 32,
1513 .pid_filter_ctrl = af9035_pid_filter_ctrl,
1514 .pid_filter = af9035_pid_filter,
1515
1516 .stream = DVB_USB_STREAM_BULK(0x85, 6, 87 * 188),
1517 },
1518 },
1519 };
1520
1521 static const struct usb_device_id af9035_id_table[] = {
1522 /* AF9035 devices */
1523 { DVB_USB_DEVICE(USB_VID_AFATECH, USB_PID_AFATECH_AF9035_9035,
1524 &af9035_props, "Afatech AF9035 reference design", NULL) },
1525 { DVB_USB_DEVICE(USB_VID_AFATECH, USB_PID_AFATECH_AF9035_1000,
1526 &af9035_props, "Afatech AF9035 reference design", NULL) },
1527 { DVB_USB_DEVICE(USB_VID_AFATECH, USB_PID_AFATECH_AF9035_1001,
1528 &af9035_props, "Afatech AF9035 reference design", NULL) },
1529 { DVB_USB_DEVICE(USB_VID_AFATECH, USB_PID_AFATECH_AF9035_1002,
1530 &af9035_props, "Afatech AF9035 reference design", NULL) },
1531 { DVB_USB_DEVICE(USB_VID_AFATECH, USB_PID_AFATECH_AF9035_1003,
1532 &af9035_props, "Afatech AF9035 reference design", NULL) },
1533 { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_CINERGY_T_STICK,
1534 &af9035_props, "TerraTec Cinergy T Stick", NULL) },
1535 { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_A835,
1536 &af9035_props, "AVerMedia AVerTV Volar HD/PRO (A835)", NULL) },
1537 { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_B835,
1538 &af9035_props, "AVerMedia AVerTV Volar HD/PRO (A835)", NULL) },
1539 { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_1867,
1540 &af9035_props, "AVerMedia HD Volar (A867)", NULL) },
1541 { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_A867,
1542 &af9035_props, "AVerMedia HD Volar (A867)", NULL) },
1543 { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_TWINSTAR,
1544 &af9035_props, "AVerMedia Twinstar (A825)", NULL) },
1545 { DVB_USB_DEVICE(USB_VID_ASUS, USB_PID_ASUS_U3100MINI_PLUS,
1546 &af9035_props, "Asus U3100Mini Plus", NULL) },
1547 { DVB_USB_DEVICE(USB_VID_TERRATEC, 0x00aa,
1548 &af9035_props, "TerraTec Cinergy T Stick (rev. 2)", NULL) },
1549 /* IT9135 devices */
1550 { DVB_USB_DEVICE(USB_VID_ITETECH, USB_PID_ITETECH_IT9135,
1551 &af9035_props, "ITE 9135 Generic", RC_MAP_IT913X_V1) },
1552 { DVB_USB_DEVICE(USB_VID_ITETECH, USB_PID_ITETECH_IT9135_9005,
1553 &af9035_props, "ITE 9135(9005) Generic", RC_MAP_IT913X_V2) },
1554 { DVB_USB_DEVICE(USB_VID_ITETECH, USB_PID_ITETECH_IT9135_9006,
1555 &af9035_props, "ITE 9135(9006) Generic", RC_MAP_IT913X_V1) },
1556 { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_A835B_1835,
1557 &af9035_props, "Avermedia A835B(1835)", RC_MAP_IT913X_V2) },
1558 { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_A835B_2835,
1559 &af9035_props, "Avermedia A835B(2835)", RC_MAP_IT913X_V2) },
1560 { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_A835B_3835,
1561 &af9035_props, "Avermedia A835B(3835)", RC_MAP_IT913X_V2) },
1562 { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_A835B_4835,
1563 &af9035_props, "Avermedia A835B(4835)", RC_MAP_IT913X_V2) },
1564 { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_H335,
1565 &af9035_props, "Avermedia H335", RC_MAP_IT913X_V2) },
1566 { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_KWORLD_UB499_2T_T09,
1567 &af9035_props, "Kworld UB499-2T T09", RC_MAP_IT913X_V1) },
1568 { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_SVEON_STV22_IT9137,
1569 &af9035_props, "Sveon STV22 Dual DVB-T HDTV",
1570 RC_MAP_IT913X_V1) },
1571 { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_CTVDIGDUAL_V2,
1572 &af9035_props, "Digital Dual TV Receiver CTVDIGDUAL_V2",
1573 RC_MAP_IT913X_V1) },
1574 /* XXX: that same ID [0ccd:0099] is used by af9015 driver too */
1575 { DVB_USB_DEVICE(USB_VID_TERRATEC, 0x0099,
1576 &af9035_props, "TerraTec Cinergy T Stick Dual RC (rev. 2)", NULL) },
1577 { DVB_USB_DEVICE(USB_VID_LEADTEK, 0x6a05,
1578 &af9035_props, "Leadtek WinFast DTV Dongle Dual", NULL) },
1579 { DVB_USB_DEVICE(USB_VID_HAUPPAUGE, 0xf900,
1580 &af9035_props, "Hauppauge WinTV-MiniStick 2", NULL) },
1581 { DVB_USB_DEVICE(USB_VID_PCTV, USB_PID_PCTV_78E,
1582 &af9035_props, "PCTV 78e", RC_MAP_IT913X_V1) },
1583 { DVB_USB_DEVICE(USB_VID_PCTV, USB_PID_PCTV_79E,
1584 &af9035_props, "PCTV 79e", RC_MAP_IT913X_V2) },
1585 { }
1586 };
1587 MODULE_DEVICE_TABLE(usb, af9035_id_table);
1588
1589 static struct usb_driver af9035_usb_driver = {
1590 .name = KBUILD_MODNAME,
1591 .id_table = af9035_id_table,
1592 .probe = af9035_probe,
1593 .disconnect = dvb_usbv2_disconnect,
1594 .suspend = dvb_usbv2_suspend,
1595 .resume = dvb_usbv2_resume,
1596 .reset_resume = dvb_usbv2_reset_resume,
1597 .no_dynamic_id = 1,
1598 .soft_unbind = 1,
1599 };
1600
1601 module_usb_driver(af9035_usb_driver);
1602
1603 MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
1604 MODULE_DESCRIPTION("Afatech AF9035 driver");
1605 MODULE_LICENSE("GPL");
1606 MODULE_FIRMWARE(AF9035_FIRMWARE_AF9035);
1607 MODULE_FIRMWARE(AF9035_FIRMWARE_IT9135_V1);
1608 MODULE_FIRMWARE(AF9035_FIRMWARE_IT9135_V2);
Linux kernel - Deliverables
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