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PM / sleep: Asynchronous threads for suspend_noirq
[linux/fpc-iii.git] / drivers / media / usb / dvb-usb-v2 / af9035.c
blob8ede8ea762e601a773dd49c1ae397f016d533338
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 if (state->chip_type == 0x9135) {
579 ret = af9035_wr_reg(d, 0x004bfb, tmp);
580 if (ret < 0)
581 goto err;
582 } else {
583 ret = af9035_wr_reg(d, 0x00417f, tmp);
584 if (ret < 0)
585 goto err;
586
587 /* enable clock out */
588 ret = af9035_wr_reg_mask(d, 0x00d81a, 0x01, 0x01);
589 if (ret < 0)
590 goto err;
591 }
592 }
593
594 if (fw->data[0] == 0x01)
595 ret = af9035_download_firmware_old(d, fw);
596 else
597 ret = af9035_download_firmware_new(d, fw);
598 if (ret < 0)
599 goto err;
600
601 /* firmware loaded, request boot */
602 req.cmd = CMD_FW_BOOT;
603 ret = af9035_ctrl_msg(d, &req);
604 if (ret < 0)
605 goto err;
606
607 /* ensure firmware starts */
608 wbuf[0] = 1;
609 ret = af9035_ctrl_msg(d, &req_fw_ver);
610 if (ret < 0)
611 goto err;
612
613 if (!(rbuf[0] || rbuf[1] || rbuf[2] || rbuf[3])) {
614 dev_err(&d->udev->dev, "%s: firmware did not run\n",
615 KBUILD_MODNAME);
616 ret = -ENODEV;
617 goto err;
618 }
619
620 dev_info(&d->udev->dev, "%s: firmware version=%d.%d.%d.%d",
621 KBUILD_MODNAME, rbuf[0], rbuf[1], rbuf[2], rbuf[3]);
622
623 return 0;
624
625 err:
626 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
627
628 return ret;
629 }
630
631 static int af9035_read_config(struct dvb_usb_device *d)
632 {
633 struct state *state = d_to_priv(d);
634 int ret, i;
635 u8 tmp;
636 u16 tmp16, addr;
637
638 /* demod I2C "address" */
639 state->af9033_config[0].i2c_addr = 0x38;
640 state->af9033_config[0].adc_multiplier = AF9033_ADC_MULTIPLIER_2X;
641 state->af9033_config[1].adc_multiplier = AF9033_ADC_MULTIPLIER_2X;
642 state->af9033_config[0].ts_mode = AF9033_TS_MODE_USB;
643 state->af9033_config[1].ts_mode = AF9033_TS_MODE_SERIAL;
644
645 /* eeprom memory mapped location */
646 if (state->chip_type == 0x9135) {
647 if (state->chip_version == 0x02) {
648 state->af9033_config[0].tuner = AF9033_TUNER_IT9135_60;
649 state->af9033_config[1].tuner = AF9033_TUNER_IT9135_60;
650 tmp16 = 0x00461d;
651 } else {
652 state->af9033_config[0].tuner = AF9033_TUNER_IT9135_38;
653 state->af9033_config[1].tuner = AF9033_TUNER_IT9135_38;
654 tmp16 = 0x00461b;
655 }
656
657 /* check if eeprom exists */
658 ret = af9035_rd_reg(d, tmp16, &tmp);
659 if (ret < 0)
660 goto err;
661
662 if (tmp == 0x00) {
663 dev_dbg(&d->udev->dev, "%s: no eeprom\n", __func__);
664 goto skip_eeprom;
665 }
666 }
667
668 /* check if there is dual tuners */
669 ret = af9035_rd_reg(d, state->eeprom_addr + EEPROM_TS_MODE, &tmp);
670 if (ret < 0)
671 goto err;
672
673 if (tmp == 1 || tmp == 3)
674 state->dual_mode = true;
675
676 dev_dbg(&d->udev->dev, "%s: ts mode=%d dual mode=%d\n", __func__,
677 tmp, state->dual_mode);
678
679 if (state->dual_mode) {
680 /* read 2nd demodulator I2C address */
681 ret = af9035_rd_reg(d,
682 state->eeprom_addr + EEPROM_2ND_DEMOD_ADDR,
683 &tmp);
684 if (ret < 0)
685 goto err;
686
687 state->af9033_config[1].i2c_addr = tmp;
688 dev_dbg(&d->udev->dev, "%s: 2nd demod I2C addr=%02x\n",
689 __func__, tmp);
690 }
691
692 addr = state->eeprom_addr;
693
694 for (i = 0; i < state->dual_mode + 1; i++) {
695 /* tuner */
696 ret = af9035_rd_reg(d, addr + EEPROM_1_TUNER_ID, &tmp);
697 if (ret < 0)
698 goto err;
699
700 if (tmp == 0x00)
701 dev_dbg(&d->udev->dev,
702 "%s: [%d]tuner not set, using default\n",
703 __func__, i);
704 else
705 state->af9033_config[i].tuner = tmp;
706
707 dev_dbg(&d->udev->dev, "%s: [%d]tuner=%02x\n",
708 __func__, i, state->af9033_config[i].tuner);
709
710 switch (state->af9033_config[i].tuner) {
711 case AF9033_TUNER_TUA9001:
712 case AF9033_TUNER_FC0011:
713 case AF9033_TUNER_MXL5007T:
714 case AF9033_TUNER_TDA18218:
715 case AF9033_TUNER_FC2580:
716 case AF9033_TUNER_FC0012:
717 state->af9033_config[i].spec_inv = 1;
718 break;
719 case AF9033_TUNER_IT9135_38:
720 case AF9033_TUNER_IT9135_51:
721 case AF9033_TUNER_IT9135_52:
722 case AF9033_TUNER_IT9135_60:
723 case AF9033_TUNER_IT9135_61:
724 case AF9033_TUNER_IT9135_62:
725 break;
726 default:
727 dev_warn(&d->udev->dev,
728 "%s: tuner id=%02x not supported, please report!",
729 KBUILD_MODNAME, tmp);
730 }
731
732 /* disable dual mode if driver does not support it */
733 if (i == 1)
734 switch (state->af9033_config[i].tuner) {
735 case AF9033_TUNER_FC0012:
736 case AF9033_TUNER_IT9135_38:
737 case AF9033_TUNER_IT9135_51:
738 case AF9033_TUNER_IT9135_52:
739 case AF9033_TUNER_IT9135_60:
740 case AF9033_TUNER_IT9135_61:
741 case AF9033_TUNER_IT9135_62:
742 case AF9033_TUNER_MXL5007T:
743 break;
744 default:
745 state->dual_mode = false;
746 dev_info(&d->udev->dev,
747 "%s: driver does not support 2nd tuner and will disable it",
748 KBUILD_MODNAME);
749 }
750
751 /* tuner IF frequency */
752 ret = af9035_rd_reg(d, addr + EEPROM_1_IF_L, &tmp);
753 if (ret < 0)
754 goto err;
755
756 tmp16 = tmp;
757
758 ret = af9035_rd_reg(d, addr + EEPROM_1_IF_H, &tmp);
759 if (ret < 0)
760 goto err;
761
762 tmp16 |= tmp << 8;
763
764 dev_dbg(&d->udev->dev, "%s: [%d]IF=%d\n", __func__, i, tmp16);
765
766 addr += 0x10; /* shift for the 2nd tuner params */
767 }
768
769 skip_eeprom:
770 /* get demod clock */
771 ret = af9035_rd_reg(d, 0x00d800, &tmp);
772 if (ret < 0)
773 goto err;
774
775 tmp = (tmp >> 0) & 0x0f;
776
777 for (i = 0; i < ARRAY_SIZE(state->af9033_config); i++) {
778 if (state->chip_type == 0x9135)
779 state->af9033_config[i].clock = clock_lut_it9135[tmp];
780 else
781 state->af9033_config[i].clock = clock_lut_af9035[tmp];
782 }
783
784 return 0;
785
786 err:
787 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
788
789 return ret;
790 }
791
792 static int af9035_tua9001_tuner_callback(struct dvb_usb_device *d,
793 int cmd, int arg)
794 {
795 int ret;
796 u8 val;
797
798 dev_dbg(&d->udev->dev, "%s: cmd=%d arg=%d\n", __func__, cmd, arg);
799
800 /*
801 * CEN always enabled by hardware wiring
802 * RESETN GPIOT3
803 * RXEN GPIOT2
804 */
805
806 switch (cmd) {
807 case TUA9001_CMD_RESETN:
808 if (arg)
809 val = 0x00;
810 else
811 val = 0x01;
812
813 ret = af9035_wr_reg_mask(d, 0x00d8e7, val, 0x01);
814 if (ret < 0)
815 goto err;
816 break;
817 case TUA9001_CMD_RXEN:
818 if (arg)
819 val = 0x01;
820 else
821 val = 0x00;
822
823 ret = af9035_wr_reg_mask(d, 0x00d8eb, val, 0x01);
824 if (ret < 0)
825 goto err;
826 break;
827 }
828
829 return 0;
830
831 err:
832 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
833
834 return ret;
835 }
836
837
838 static int af9035_fc0011_tuner_callback(struct dvb_usb_device *d,
839 int cmd, int arg)
840 {
841 int ret;
842
843 switch (cmd) {
844 case FC0011_FE_CALLBACK_POWER:
845 /* Tuner enable */
846 ret = af9035_wr_reg_mask(d, 0xd8eb, 1, 1);
847 if (ret < 0)
848 goto err;
849
850 ret = af9035_wr_reg_mask(d, 0xd8ec, 1, 1);
851 if (ret < 0)
852 goto err;
853
854 ret = af9035_wr_reg_mask(d, 0xd8ed, 1, 1);
855 if (ret < 0)
856 goto err;
857
858 /* LED */
859 ret = af9035_wr_reg_mask(d, 0xd8d0, 1, 1);
860 if (ret < 0)
861 goto err;
862
863 ret = af9035_wr_reg_mask(d, 0xd8d1, 1, 1);
864 if (ret < 0)
865 goto err;
866
867 usleep_range(10000, 50000);
868 break;
869 case FC0011_FE_CALLBACK_RESET:
870 ret = af9035_wr_reg(d, 0xd8e9, 1);
871 if (ret < 0)
872 goto err;
873
874 ret = af9035_wr_reg(d, 0xd8e8, 1);
875 if (ret < 0)
876 goto err;
877
878 ret = af9035_wr_reg(d, 0xd8e7, 1);
879 if (ret < 0)
880 goto err;
881
882 usleep_range(10000, 20000);
883
884 ret = af9035_wr_reg(d, 0xd8e7, 0);
885 if (ret < 0)
886 goto err;
887
888 usleep_range(10000, 20000);
889 break;
890 default:
891 ret = -EINVAL;
892 goto err;
893 }
894
895 return 0;
896
897 err:
898 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
899
900 return ret;
901 }
902
903 static int af9035_tuner_callback(struct dvb_usb_device *d, int cmd, int arg)
904 {
905 struct state *state = d_to_priv(d);
906
907 switch (state->af9033_config[0].tuner) {
908 case AF9033_TUNER_FC0011:
909 return af9035_fc0011_tuner_callback(d, cmd, arg);
910 case AF9033_TUNER_TUA9001:
911 return af9035_tua9001_tuner_callback(d, cmd, arg);
912 default:
913 break;
914 }
915
916 return 0;
917 }
918
919 static int af9035_frontend_callback(void *adapter_priv, int component,
920 int cmd, int arg)
921 {
922 struct i2c_adapter *adap = adapter_priv;
923 struct dvb_usb_device *d = i2c_get_adapdata(adap);
924
925 dev_dbg(&d->udev->dev, "%s: component=%d cmd=%d arg=%d\n",
926 __func__, component, cmd, arg);
927
928 switch (component) {
929 case DVB_FRONTEND_COMPONENT_TUNER:
930 return af9035_tuner_callback(d, cmd, arg);
931 default:
932 break;
933 }
934
935 return 0;
936 }
937
938 static int af9035_get_adapter_count(struct dvb_usb_device *d)
939 {
940 struct state *state = d_to_priv(d);
941
942 /* disable 2nd adapter as we don't have PID filters implemented */
943 if (d->udev->speed == USB_SPEED_FULL)
944 return 1;
945 else
946 return state->dual_mode + 1;
947 }
948
949 static int af9035_frontend_attach(struct dvb_usb_adapter *adap)
950 {
951 struct state *state = adap_to_priv(adap);
952 struct dvb_usb_device *d = adap_to_d(adap);
953 int ret;
954 dev_dbg(&d->udev->dev, "%s:\n", __func__);
955
956 if (!state->af9033_config[adap->id].tuner) {
957 /* unsupported tuner */
958 ret = -ENODEV;
959 goto err;
960 }
961
962 /* attach demodulator */
963 adap->fe[0] = dvb_attach(af9033_attach, &state->af9033_config[adap->id],
964 &d->i2c_adap);
965 if (adap->fe[0] == NULL) {
966 ret = -ENODEV;
967 goto err;
968 }
969
970 /* disable I2C-gate */
971 adap->fe[0]->ops.i2c_gate_ctrl = NULL;
972 adap->fe[0]->callback = af9035_frontend_callback;
973
974 return 0;
975
976 err:
977 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
978
979 return ret;
980 }
981
982 static struct tua9001_config af9035_tua9001_config = {
983 .i2c_addr = 0x60,
984 };
985
986 static const struct fc0011_config af9035_fc0011_config = {
987 .i2c_address = 0x60,
988 };
989
990 static struct mxl5007t_config af9035_mxl5007t_config[] = {
991 {
992 .xtal_freq_hz = MxL_XTAL_24_MHZ,
993 .if_freq_hz = MxL_IF_4_57_MHZ,
994 .invert_if = 0,
995 .loop_thru_enable = 0,
996 .clk_out_enable = 0,
997 .clk_out_amp = MxL_CLKOUT_AMP_0_94V,
998 }, {
999 .xtal_freq_hz = MxL_XTAL_24_MHZ,
1000 .if_freq_hz = MxL_IF_4_57_MHZ,
1001 .invert_if = 0,
1002 .loop_thru_enable = 1,
1003 .clk_out_enable = 1,
1004 .clk_out_amp = MxL_CLKOUT_AMP_0_94V,
1005 }
1006 };
1007
1008 static struct tda18218_config af9035_tda18218_config = {
1009 .i2c_address = 0x60,
1010 .i2c_wr_max = 21,
1011 };
1012
1013 static const struct fc2580_config af9035_fc2580_config = {
1014 .i2c_addr = 0x56,
1015 .clock = 16384000,
1016 };
1017
1018 static const struct fc0012_config af9035_fc0012_config[] = {
1019 {
1020 .i2c_address = 0x63,
1021 .xtal_freq = FC_XTAL_36_MHZ,
1022 .dual_master = true,
1023 .loop_through = true,
1024 .clock_out = true,
1025 }, {
1026 .i2c_address = 0x63 | 0x80, /* I2C bus select hack */
1027 .xtal_freq = FC_XTAL_36_MHZ,
1028 .dual_master = true,
1029 }
1030 };
1031
1032 static int af9035_tuner_attach(struct dvb_usb_adapter *adap)
1033 {
1034 struct state *state = adap_to_priv(adap);
1035 struct dvb_usb_device *d = adap_to_d(adap);
1036 int ret;
1037 struct dvb_frontend *fe;
1038 struct i2c_msg msg[1];
1039 u8 tuner_addr;
1040 dev_dbg(&d->udev->dev, "%s:\n", __func__);
1041
1042 /*
1043 * XXX: Hack used in that function: we abuse unused I2C address bit [7]
1044 * to carry info about used I2C bus for dual tuner configuration.
1045 */
1046
1047 switch (state->af9033_config[adap->id].tuner) {
1048 case AF9033_TUNER_TUA9001:
1049 /* AF9035 gpiot3 = TUA9001 RESETN
1050 AF9035 gpiot2 = TUA9001 RXEN */
1051
1052 /* configure gpiot2 and gpiot2 as output */
1053 ret = af9035_wr_reg_mask(d, 0x00d8ec, 0x01, 0x01);
1054 if (ret < 0)
1055 goto err;
1056
1057 ret = af9035_wr_reg_mask(d, 0x00d8ed, 0x01, 0x01);
1058 if (ret < 0)
1059 goto err;
1060
1061 ret = af9035_wr_reg_mask(d, 0x00d8e8, 0x01, 0x01);
1062 if (ret < 0)
1063 goto err;
1064
1065 ret = af9035_wr_reg_mask(d, 0x00d8e9, 0x01, 0x01);
1066 if (ret < 0)
1067 goto err;
1068
1069 /* attach tuner */
1070 fe = dvb_attach(tua9001_attach, adap->fe[0],
1071 &d->i2c_adap, &af9035_tua9001_config);
1072 break;
1073 case AF9033_TUNER_FC0011:
1074 fe = dvb_attach(fc0011_attach, adap->fe[0],
1075 &d->i2c_adap, &af9035_fc0011_config);
1076 break;
1077 case AF9033_TUNER_MXL5007T:
1078 if (adap->id == 0) {
1079 ret = af9035_wr_reg(d, 0x00d8e0, 1);
1080 if (ret < 0)
1081 goto err;
1082
1083 ret = af9035_wr_reg(d, 0x00d8e1, 1);
1084 if (ret < 0)
1085 goto err;
1086
1087 ret = af9035_wr_reg(d, 0x00d8df, 0);
1088 if (ret < 0)
1089 goto err;
1090
1091 msleep(30);
1092
1093 ret = af9035_wr_reg(d, 0x00d8df, 1);
1094 if (ret < 0)
1095 goto err;
1096
1097 msleep(300);
1098
1099 ret = af9035_wr_reg(d, 0x00d8c0, 1);
1100 if (ret < 0)
1101 goto err;
1102
1103 ret = af9035_wr_reg(d, 0x00d8c1, 1);
1104 if (ret < 0)
1105 goto err;
1106
1107 ret = af9035_wr_reg(d, 0x00d8bf, 0);
1108 if (ret < 0)
1109 goto err;
1110
1111 ret = af9035_wr_reg(d, 0x00d8b4, 1);
1112 if (ret < 0)
1113 goto err;
1114
1115 ret = af9035_wr_reg(d, 0x00d8b5, 1);
1116 if (ret < 0)
1117 goto err;
1118
1119 ret = af9035_wr_reg(d, 0x00d8b3, 1);
1120 if (ret < 0)
1121 goto err;
1122
1123 tuner_addr = 0x60;
1124 } else {
1125 tuner_addr = 0x60 | 0x80; /* I2C bus hack */
1126 }
1127
1128 /* attach tuner */
1129 fe = dvb_attach(mxl5007t_attach, adap->fe[0], &d->i2c_adap,
1130 tuner_addr, &af9035_mxl5007t_config[adap->id]);
1131 break;
1132 case AF9033_TUNER_TDA18218:
1133 /* attach tuner */
1134 fe = dvb_attach(tda18218_attach, adap->fe[0],
1135 &d->i2c_adap, &af9035_tda18218_config);
1136 break;
1137 case AF9033_TUNER_FC2580:
1138 /* Tuner enable using gpiot2_o, gpiot2_en and gpiot2_on */
1139 ret = af9035_wr_reg_mask(d, 0xd8eb, 0x01, 0x01);
1140 if (ret < 0)
1141 goto err;
1142
1143 ret = af9035_wr_reg_mask(d, 0xd8ec, 0x01, 0x01);
1144 if (ret < 0)
1145 goto err;
1146
1147 ret = af9035_wr_reg_mask(d, 0xd8ed, 0x01, 0x01);
1148 if (ret < 0)
1149 goto err;
1150
1151 usleep_range(10000, 50000);
1152 /* attach tuner */
1153 fe = dvb_attach(fc2580_attach, adap->fe[0],
1154 &d->i2c_adap, &af9035_fc2580_config);
1155 break;
1156 case AF9033_TUNER_FC0012:
1157 /*
1158 * AF9035 gpiot2 = FC0012 enable
1159 * XXX: there seems to be something on gpioh8 too, but on my
1160 * my test I didn't find any difference.
1161 */
1162
1163 if (adap->id == 0) {
1164 /* configure gpiot2 as output and high */
1165 ret = af9035_wr_reg_mask(d, 0xd8eb, 0x01, 0x01);
1166 if (ret < 0)
1167 goto err;
1168
1169 ret = af9035_wr_reg_mask(d, 0xd8ec, 0x01, 0x01);
1170 if (ret < 0)
1171 goto err;
1172
1173 ret = af9035_wr_reg_mask(d, 0xd8ed, 0x01, 0x01);
1174 if (ret < 0)
1175 goto err;
1176 } else {
1177 /*
1178 * FIXME: That belongs for the FC0012 driver.
1179 * Write 02 to FC0012 master tuner register 0d directly
1180 * in order to make slave tuner working.
1181 */
1182 msg[0].addr = 0x63;
1183 msg[0].flags = 0;
1184 msg[0].len = 2;
1185 msg[0].buf = "\x0d\x02";
1186 ret = i2c_transfer(&d->i2c_adap, msg, 1);
1187 if (ret < 0)
1188 goto err;
1189 }
1190
1191 usleep_range(10000, 50000);
1192
1193 fe = dvb_attach(fc0012_attach, adap->fe[0], &d->i2c_adap,
1194 &af9035_fc0012_config[adap->id]);
1195 break;
1196 case AF9033_TUNER_IT9135_38:
1197 case AF9033_TUNER_IT9135_51:
1198 case AF9033_TUNER_IT9135_52:
1199 case AF9033_TUNER_IT9135_60:
1200 case AF9033_TUNER_IT9135_61:
1201 case AF9033_TUNER_IT9135_62:
1202 /* attach tuner */
1203 fe = dvb_attach(it913x_attach, adap->fe[0], &d->i2c_adap,
1204 state->af9033_config[adap->id].i2c_addr,
1205 state->af9033_config[0].tuner);
1206 break;
1207 default:
1208 fe = NULL;
1209 }
1210
1211 if (fe == NULL) {
1212 ret = -ENODEV;
1213 goto err;
1214 }
1215
1216 return 0;
1217
1218 err:
1219 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
1220
1221 return ret;
1222 }
1223
1224 static int af9035_init(struct dvb_usb_device *d)
1225 {
1226 struct state *state = d_to_priv(d);
1227 int ret, i;
1228 u16 frame_size = (d->udev->speed == USB_SPEED_FULL ? 5 : 87) * 188 / 4;
1229 u8 packet_size = (d->udev->speed == USB_SPEED_FULL ? 64 : 512) / 4;
1230 struct reg_val_mask tab[] = {
1231 { 0x80f99d, 0x01, 0x01 },
1232 { 0x80f9a4, 0x01, 0x01 },
1233 { 0x00dd11, 0x00, 0x20 },
1234 { 0x00dd11, 0x00, 0x40 },
1235 { 0x00dd13, 0x00, 0x20 },
1236 { 0x00dd13, 0x00, 0x40 },
1237 { 0x00dd11, 0x20, 0x20 },
1238 { 0x00dd88, (frame_size >> 0) & 0xff, 0xff},
1239 { 0x00dd89, (frame_size >> 8) & 0xff, 0xff},
1240 { 0x00dd0c, packet_size, 0xff},
1241 { 0x00dd11, state->dual_mode << 6, 0x40 },
1242 { 0x00dd8a, (frame_size >> 0) & 0xff, 0xff},
1243 { 0x00dd8b, (frame_size >> 8) & 0xff, 0xff},
1244 { 0x00dd0d, packet_size, 0xff },
1245 { 0x80f9a3, state->dual_mode, 0x01 },
1246 { 0x80f9cd, state->dual_mode, 0x01 },
1247 { 0x80f99d, 0x00, 0x01 },
1248 { 0x80f9a4, 0x00, 0x01 },
1249 };
1250
1251 dev_dbg(&d->udev->dev,
1252 "%s: USB speed=%d frame_size=%04x packet_size=%02x\n",
1253 __func__, d->udev->speed, frame_size, packet_size);
1254
1255 /* init endpoints */
1256 for (i = 0; i < ARRAY_SIZE(tab); i++) {
1257 ret = af9035_wr_reg_mask(d, tab[i].reg, tab[i].val,
1258 tab[i].mask);
1259 if (ret < 0)
1260 goto err;
1261 }
1262
1263 return 0;
1264
1265 err:
1266 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
1267
1268 return ret;
1269 }
1270
1271 #if IS_ENABLED(CONFIG_RC_CORE)
1272 static int af9035_rc_query(struct dvb_usb_device *d)
1273 {
1274 int ret;
1275 u32 key;
1276 u8 buf[4];
1277 struct usb_req req = { CMD_IR_GET, 0, 0, NULL, 4, buf };
1278
1279 ret = af9035_ctrl_msg(d, &req);
1280 if (ret == 1)
1281 return 0;
1282 else if (ret < 0)
1283 goto err;
1284
1285 if ((buf[2] + buf[3]) == 0xff) {
1286 if ((buf[0] + buf[1]) == 0xff) {
1287 /* NEC standard 16bit */
1288 key = buf[0] << 8 | buf[2];
1289 } else {
1290 /* NEC extended 24bit */
1291 key = buf[0] << 16 | buf[1] << 8 | buf[2];
1292 }
1293 } else {
1294 /* NEC full code 32bit */
1295 key = buf[0] << 24 | buf[1] << 16 | buf[2] << 8 | buf[3];
1296 }
1297
1298 dev_dbg(&d->udev->dev, "%s: %*ph\n", __func__, 4, buf);
1299
1300 rc_keydown(d->rc_dev, key, 0);
1301
1302 return 0;
1303
1304 err:
1305 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
1306
1307 return ret;
1308 }
1309
1310 static int af9035_get_rc_config(struct dvb_usb_device *d, struct dvb_usb_rc *rc)
1311 {
1312 struct state *state = d_to_priv(d);
1313 int ret;
1314 u8 tmp;
1315
1316 ret = af9035_rd_reg(d, state->eeprom_addr + EEPROM_IR_MODE, &tmp);
1317 if (ret < 0)
1318 goto err;
1319
1320 dev_dbg(&d->udev->dev, "%s: ir_mode=%02x\n", __func__, tmp);
1321
1322 /* don't activate rc if in HID mode or if not available */
1323 if (tmp == 5) {
1324 ret = af9035_rd_reg(d, state->eeprom_addr + EEPROM_IR_TYPE,
1325 &tmp);
1326 if (ret < 0)
1327 goto err;
1328
1329 dev_dbg(&d->udev->dev, "%s: ir_type=%02x\n", __func__, tmp);
1330
1331 switch (tmp) {
1332 case 0: /* NEC */
1333 default:
1334 rc->allowed_protos = RC_BIT_NEC;
1335 break;
1336 case 1: /* RC6 */
1337 rc->allowed_protos = RC_BIT_RC6_MCE;
1338 break;
1339 }
1340
1341 rc->query = af9035_rc_query;
1342 rc->interval = 500;
1343
1344 /* load empty to enable rc */
1345 if (!rc->map_name)
1346 rc->map_name = RC_MAP_EMPTY;
1347 }
1348
1349 return 0;
1350
1351 err:
1352 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
1353
1354 return ret;
1355 }
1356 #else
1357 #define af9035_get_rc_config NULL
1358 #endif
1359
1360 static int af9035_get_stream_config(struct dvb_frontend *fe, u8 *ts_type,
1361 struct usb_data_stream_properties *stream)
1362 {
1363 struct dvb_usb_device *d = fe_to_d(fe);
1364 dev_dbg(&d->udev->dev, "%s: adap=%d\n", __func__, fe_to_adap(fe)->id);
1365
1366 if (d->udev->speed == USB_SPEED_FULL)
1367 stream->u.bulk.buffersize = 5 * 188;
1368
1369 return 0;
1370 }
1371
1372 /*
1373 * FIXME: PID filter is property of demodulator and should be moved to the
1374 * correct driver. Also we support only adapter #0 PID filter and will
1375 * disable adapter #1 if USB1.1 is used.
1376 */
1377 static int af9035_pid_filter_ctrl(struct dvb_usb_adapter *adap, int onoff)
1378 {
1379 struct dvb_usb_device *d = adap_to_d(adap);
1380 int ret;
1381
1382 dev_dbg(&d->udev->dev, "%s: onoff=%d\n", __func__, onoff);
1383
1384 ret = af9035_wr_reg_mask(d, 0x80f993, onoff, 0x01);
1385 if (ret < 0)
1386 goto err;
1387
1388 return 0;
1389
1390 err:
1391 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
1392
1393 return ret;
1394 }
1395
1396 static int af9035_pid_filter(struct dvb_usb_adapter *adap, int index, u16 pid,
1397 int onoff)
1398 {
1399 struct dvb_usb_device *d = adap_to_d(adap);
1400 int ret;
1401 u8 wbuf[2] = {(pid >> 0) & 0xff, (pid >> 8) & 0xff};
1402
1403 dev_dbg(&d->udev->dev, "%s: index=%d pid=%04x onoff=%d\n",
1404 __func__, index, pid, onoff);
1405
1406 ret = af9035_wr_regs(d, 0x80f996, wbuf, 2);
1407 if (ret < 0)
1408 goto err;
1409
1410 ret = af9035_wr_reg(d, 0x80f994, onoff);
1411 if (ret < 0)
1412 goto err;
1413
1414 ret = af9035_wr_reg(d, 0x80f995, index);
1415 if (ret < 0)
1416 goto err;
1417
1418 return 0;
1419
1420 err:
1421 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
1422
1423 return ret;
1424 }
1425
1426 static int af9035_probe(struct usb_interface *intf,
1427 const struct usb_device_id *id)
1428 {
1429 struct usb_device *udev = interface_to_usbdev(intf);
1430 char manufacturer[sizeof("Afatech")];
1431
1432 memset(manufacturer, 0, sizeof(manufacturer));
1433 usb_string(udev, udev->descriptor.iManufacturer,
1434 manufacturer, sizeof(manufacturer));
1435 /*
1436 * There is two devices having same ID but different chipset. One uses
1437 * AF9015 and the other IT9135 chipset. Only difference seen on lsusb
1438 * is iManufacturer string.
1439 *
1440 * idVendor 0x0ccd TerraTec Electronic GmbH
1441 * idProduct 0x0099
1442 * bcdDevice 2.00
1443 * iManufacturer 1 Afatech
1444 * iProduct 2 DVB-T 2
1445 *
1446 * idVendor 0x0ccd TerraTec Electronic GmbH
1447 * idProduct 0x0099
1448 * bcdDevice 2.00
1449 * iManufacturer 1 ITE Technologies, Inc.
1450 * iProduct 2 DVB-T TV Stick
1451 */
1452 if ((le16_to_cpu(udev->descriptor.idVendor) == USB_VID_TERRATEC) &&
1453 (le16_to_cpu(udev->descriptor.idProduct) == 0x0099)) {
1454 if (!strcmp("Afatech", manufacturer)) {
1455 dev_dbg(&udev->dev, "%s: rejecting device\n", __func__);
1456 return -ENODEV;
1457 }
1458 }
1459
1460 return dvb_usbv2_probe(intf, id);
1461 }
1462
1463 /* interface 0 is used by DVB-T receiver and
1464 interface 1 is for remote controller (HID) */
1465 static const struct dvb_usb_device_properties af9035_props = {
1466 .driver_name = KBUILD_MODNAME,
1467 .owner = THIS_MODULE,
1468 .adapter_nr = adapter_nr,
1469 .size_of_priv = sizeof(struct state),
1470
1471 .generic_bulk_ctrl_endpoint = 0x02,
1472 .generic_bulk_ctrl_endpoint_response = 0x81,
1473
1474 .identify_state = af9035_identify_state,
1475 .download_firmware = af9035_download_firmware,
1476
1477 .i2c_algo = &af9035_i2c_algo,
1478 .read_config = af9035_read_config,
1479 .frontend_attach = af9035_frontend_attach,
1480 .tuner_attach = af9035_tuner_attach,
1481 .init = af9035_init,
1482 .get_rc_config = af9035_get_rc_config,
1483 .get_stream_config = af9035_get_stream_config,
1484
1485 .get_adapter_count = af9035_get_adapter_count,
1486 .adapter = {
1487 {
1488 .caps = DVB_USB_ADAP_HAS_PID_FILTER |
1489 DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
1490
1491 .pid_filter_count = 32,
1492 .pid_filter_ctrl = af9035_pid_filter_ctrl,
1493 .pid_filter = af9035_pid_filter,
1494
1495 .stream = DVB_USB_STREAM_BULK(0x84, 6, 87 * 188),
1496 }, {
1497 .stream = DVB_USB_STREAM_BULK(0x85, 6, 87 * 188),
1498 },
1499 },
1500 };
1501
1502 static const struct usb_device_id af9035_id_table[] = {
1503 /* AF9035 devices */
1504 { DVB_USB_DEVICE(USB_VID_AFATECH, USB_PID_AFATECH_AF9035_9035,
1505 &af9035_props, "Afatech AF9035 reference design", NULL) },
1506 { DVB_USB_DEVICE(USB_VID_AFATECH, USB_PID_AFATECH_AF9035_1000,
1507 &af9035_props, "Afatech AF9035 reference design", NULL) },
1508 { DVB_USB_DEVICE(USB_VID_AFATECH, USB_PID_AFATECH_AF9035_1001,
1509 &af9035_props, "Afatech AF9035 reference design", NULL) },
1510 { DVB_USB_DEVICE(USB_VID_AFATECH, USB_PID_AFATECH_AF9035_1002,
1511 &af9035_props, "Afatech AF9035 reference design", NULL) },
1512 { DVB_USB_DEVICE(USB_VID_AFATECH, USB_PID_AFATECH_AF9035_1003,
1513 &af9035_props, "Afatech AF9035 reference design", NULL) },
1514 { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_CINERGY_T_STICK,
1515 &af9035_props, "TerraTec Cinergy T Stick", NULL) },
1516 { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_A835,
1517 &af9035_props, "AVerMedia AVerTV Volar HD/PRO (A835)", NULL) },
1518 { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_B835,
1519 &af9035_props, "AVerMedia AVerTV Volar HD/PRO (A835)", NULL) },
1520 { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_1867,
1521 &af9035_props, "AVerMedia HD Volar (A867)", NULL) },
1522 { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_A867,
1523 &af9035_props, "AVerMedia HD Volar (A867)", NULL) },
1524 { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_TWINSTAR,
1525 &af9035_props, "AVerMedia Twinstar (A825)", NULL) },
1526 { DVB_USB_DEVICE(USB_VID_ASUS, USB_PID_ASUS_U3100MINI_PLUS,
1527 &af9035_props, "Asus U3100Mini Plus", NULL) },
1528 { DVB_USB_DEVICE(USB_VID_TERRATEC, 0x00aa,
1529 &af9035_props, "TerraTec Cinergy T Stick (rev. 2)", NULL) },
1530 /* IT9135 devices */
1531 #if 0
1532 { DVB_USB_DEVICE(0x048d, 0x9135,
1533 &af9035_props, "IT9135 reference design", NULL) },
1534 { DVB_USB_DEVICE(0x048d, 0x9006,
1535 &af9035_props, "IT9135 reference design", NULL) },
1536 #endif
1537 /* XXX: that same ID [0ccd:0099] is used by af9015 driver too */
1538 { DVB_USB_DEVICE(USB_VID_TERRATEC, 0x0099,
1539 &af9035_props, "TerraTec Cinergy T Stick Dual RC (rev. 2)", NULL) },
1540 { DVB_USB_DEVICE(USB_VID_LEADTEK, 0x6a05,
1541 &af9035_props, "Leadtek WinFast DTV Dongle Dual", NULL) },
1542 { DVB_USB_DEVICE(USB_VID_HAUPPAUGE, 0xf900,
1543 &af9035_props, "Hauppauge WinTV-MiniStick 2", NULL) },
1544 { }
1545 };
1546 MODULE_DEVICE_TABLE(usb, af9035_id_table);
1547
1548 static struct usb_driver af9035_usb_driver = {
1549 .name = KBUILD_MODNAME,
1550 .id_table = af9035_id_table,
1551 .probe = af9035_probe,
1552 .disconnect = dvb_usbv2_disconnect,
1553 .suspend = dvb_usbv2_suspend,
1554 .resume = dvb_usbv2_resume,
1555 .reset_resume = dvb_usbv2_reset_resume,
1556 .no_dynamic_id = 1,
1557 .soft_unbind = 1,
1558 };
1559
1560 module_usb_driver(af9035_usb_driver);
1561
1562 MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
1563 MODULE_DESCRIPTION("Afatech AF9035 driver");
1564 MODULE_LICENSE("GPL");
1565 MODULE_FIRMWARE(AF9035_FIRMWARE_AF9035);
1566 MODULE_FIRMWARE(AF9035_FIRMWARE_IT9135_V1);
1567 MODULE_FIRMWARE(AF9035_FIRMWARE_IT9135_V2);
Linux with added FPC-III support