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[media] it913x: re-implement sleep
[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_add_i2c_dev(struct dvb_usb_device *d, char *type, u8 addr,
197 void *platform_data)
198 {
199 int ret, num;
200 struct state *state = d_to_priv(d);
201 struct i2c_client *client;
202 struct i2c_adapter *adapter = &d->i2c_adap;
203 struct i2c_board_info board_info = {
204 .addr = addr,
205 .platform_data = platform_data,
206 };
207
208 strlcpy(board_info.type, type, I2C_NAME_SIZE);
209
210 /* find first free client */
211 for (num = 0; num < AF9035_I2C_CLIENT_MAX; num++) {
212 if (state->i2c_client[num] == NULL)
213 break;
214 }
215
216 dev_dbg(&d->udev->dev, "%s: num=%d\n", __func__, num);
217
218 if (num == AF9035_I2C_CLIENT_MAX) {
219 dev_err(&d->udev->dev, "%s: I2C client out of index\n",
220 KBUILD_MODNAME);
221 ret = -ENODEV;
222 goto err;
223 }
224
225 request_module(board_info.type);
226
227 /* register I2C device */
228 client = i2c_new_device(adapter, &board_info);
229 if (client == NULL || client->dev.driver == NULL) {
230 ret = -ENODEV;
231 goto err;
232 }
233
234 /* increase I2C driver usage count */
235 if (!try_module_get(client->dev.driver->owner)) {
236 i2c_unregister_device(client);
237 ret = -ENODEV;
238 goto err;
239 }
240
241 state->i2c_client[num] = client;
242 return 0;
243 err:
244 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
245 return ret;
246 }
247
248 static void af9035_del_i2c_dev(struct dvb_usb_device *d)
249 {
250 int num;
251 struct state *state = d_to_priv(d);
252 struct i2c_client *client;
253
254 /* find last used client */
255 num = AF9035_I2C_CLIENT_MAX;
256 while (num--) {
257 if (state->i2c_client[num] != NULL)
258 break;
259 }
260
261 dev_dbg(&d->udev->dev, "%s: num=%d\n", __func__, num);
262
263 if (num == -1) {
264 dev_err(&d->udev->dev, "%s: I2C client out of index\n",
265 KBUILD_MODNAME);
266 goto err;
267 }
268
269 client = state->i2c_client[num];
270
271 /* decrease I2C driver usage count */
272 module_put(client->dev.driver->owner);
273
274 /* unregister I2C device */
275 i2c_unregister_device(client);
276
277 state->i2c_client[num] = NULL;
278 return;
279 err:
280 dev_dbg(&d->udev->dev, "%s: failed\n", __func__);
281 }
282
283 static int af9035_i2c_master_xfer(struct i2c_adapter *adap,
284 struct i2c_msg msg[], int num)
285 {
286 struct dvb_usb_device *d = i2c_get_adapdata(adap);
287 struct state *state = d_to_priv(d);
288 int ret;
289
290 if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
291 return -EAGAIN;
292
293 /*
294 * I2C sub header is 5 bytes long. Meaning of those bytes are:
295 * 0: data len
296 * 1: I2C addr << 1
297 * 2: reg addr len
298 * byte 3 and 4 can be used as reg addr
299 * 3: reg addr MSB
300 * used when reg addr len is set to 2
301 * 4: reg addr LSB
302 * used when reg addr len is set to 1 or 2
303 *
304 * For the simplify we do not use register addr at all.
305 * NOTE: As a firmware knows tuner type there is very small possibility
306 * there could be some tuner I2C hacks done by firmware and this may
307 * lead problems if firmware expects those bytes are used.
308 */
309 if (num == 2 && !(msg[0].flags & I2C_M_RD) &&
310 (msg[1].flags & I2C_M_RD)) {
311 if (msg[0].len > 40 || msg[1].len > 40) {
312 /* TODO: correct limits > 40 */
313 ret = -EOPNOTSUPP;
314 } else if ((msg[0].addr == state->af9033_config[0].i2c_addr) ||
315 (msg[0].addr == state->af9033_config[1].i2c_addr)) {
316 /* demod access via firmware interface */
317 u32 reg = msg[0].buf[0] << 16 | msg[0].buf[1] << 8 |
318 msg[0].buf[2];
319
320 if (msg[0].addr == state->af9033_config[1].i2c_addr)
321 reg |= 0x100000;
322
323 ret = af9035_rd_regs(d, reg, &msg[1].buf[0],
324 msg[1].len);
325 } else {
326 /* I2C */
327 u8 buf[MAX_XFER_SIZE];
328 struct usb_req req = { CMD_I2C_RD, 0, 5 + msg[0].len,
329 buf, msg[1].len, msg[1].buf };
330
331 if (5 + msg[0].len > sizeof(buf)) {
332 dev_warn(&d->udev->dev,
333 "%s: i2c xfer: len=%d is too big!\n",
334 KBUILD_MODNAME, msg[0].len);
335 ret = -EOPNOTSUPP;
336 goto unlock;
337 }
338 req.mbox |= ((msg[0].addr & 0x80) >> 3);
339 buf[0] = msg[1].len;
340 buf[1] = msg[0].addr << 1;
341 buf[2] = 0x00; /* reg addr len */
342 buf[3] = 0x00; /* reg addr MSB */
343 buf[4] = 0x00; /* reg addr LSB */
344 memcpy(&buf[5], msg[0].buf, msg[0].len);
345 ret = af9035_ctrl_msg(d, &req);
346 }
347 } else if (num == 1 && !(msg[0].flags & I2C_M_RD)) {
348 if (msg[0].len > 40) {
349 /* TODO: correct limits > 40 */
350 ret = -EOPNOTSUPP;
351 } else if ((msg[0].addr == state->af9033_config[0].i2c_addr) ||
352 (msg[0].addr == state->af9033_config[1].i2c_addr)) {
353 /* demod access via firmware interface */
354 u32 reg = msg[0].buf[0] << 16 | msg[0].buf[1] << 8 |
355 msg[0].buf[2];
356
357 if (msg[0].addr == state->af9033_config[1].i2c_addr)
358 reg |= 0x100000;
359
360 ret = af9035_wr_regs(d, reg, &msg[0].buf[3],
361 msg[0].len - 3);
362 } else {
363 /* I2C */
364 u8 buf[MAX_XFER_SIZE];
365 struct usb_req req = { CMD_I2C_WR, 0, 5 + msg[0].len,
366 buf, 0, NULL };
367
368 if (5 + msg[0].len > sizeof(buf)) {
369 dev_warn(&d->udev->dev,
370 "%s: i2c xfer: len=%d is too big!\n",
371 KBUILD_MODNAME, msg[0].len);
372 ret = -EOPNOTSUPP;
373 goto unlock;
374 }
375 req.mbox |= ((msg[0].addr & 0x80) >> 3);
376 buf[0] = msg[0].len;
377 buf[1] = msg[0].addr << 1;
378 buf[2] = 0x00; /* reg addr len */
379 buf[3] = 0x00; /* reg addr MSB */
380 buf[4] = 0x00; /* reg addr LSB */
381 memcpy(&buf[5], msg[0].buf, msg[0].len);
382 ret = af9035_ctrl_msg(d, &req);
383 }
384 } else if (num == 1 && (msg[0].flags & I2C_M_RD)) {
385 if (msg[0].len > 40) {
386 /* TODO: correct limits > 40 */
387 ret = -EOPNOTSUPP;
388 } else {
389 /* I2C */
390 u8 buf[5];
391 struct usb_req req = { CMD_I2C_RD, 0, sizeof(buf),
392 buf, msg[0].len, msg[0].buf };
393 req.mbox |= ((msg[0].addr & 0x80) >> 3);
394 buf[0] = msg[0].len;
395 buf[1] = msg[0].addr << 1;
396 buf[2] = 0x00; /* reg addr len */
397 buf[3] = 0x00; /* reg addr MSB */
398 buf[4] = 0x00; /* reg addr LSB */
399 ret = af9035_ctrl_msg(d, &req);
400 }
401 } else {
402 /*
403 * We support only three kind of I2C transactions:
404 * 1) 1 x read + 1 x write (repeated start)
405 * 2) 1 x write
406 * 3) 1 x read
407 */
408 ret = -EOPNOTSUPP;
409 }
410
411 unlock:
412 mutex_unlock(&d->i2c_mutex);
413
414 if (ret < 0)
415 return ret;
416 else
417 return num;
418 }
419
420 static u32 af9035_i2c_functionality(struct i2c_adapter *adapter)
421 {
422 return I2C_FUNC_I2C;
423 }
424
425 static struct i2c_algorithm af9035_i2c_algo = {
426 .master_xfer = af9035_i2c_master_xfer,
427 .functionality = af9035_i2c_functionality,
428 };
429
430 static int af9035_identify_state(struct dvb_usb_device *d, const char **name)
431 {
432 struct state *state = d_to_priv(d);
433 int ret;
434 u8 wbuf[1] = { 1 };
435 u8 rbuf[4];
436 struct usb_req req = { CMD_FW_QUERYINFO, 0, sizeof(wbuf), wbuf,
437 sizeof(rbuf), rbuf };
438
439 ret = af9035_rd_regs(d, 0x1222, rbuf, 3);
440 if (ret < 0)
441 goto err;
442
443 state->chip_version = rbuf[0];
444 state->chip_type = rbuf[2] << 8 | rbuf[1] << 0;
445
446 ret = af9035_rd_reg(d, 0x384f, &state->prechip_version);
447 if (ret < 0)
448 goto err;
449
450 dev_info(&d->udev->dev,
451 "%s: prechip_version=%02x chip_version=%02x chip_type=%04x\n",
452 KBUILD_MODNAME, state->prechip_version,
453 state->chip_version, state->chip_type);
454
455 if (state->chip_type == 0x9135) {
456 if (state->chip_version == 0x02)
457 *name = AF9035_FIRMWARE_IT9135_V2;
458 else
459 *name = AF9035_FIRMWARE_IT9135_V1;
460 state->eeprom_addr = EEPROM_BASE_IT9135;
461 } else {
462 *name = AF9035_FIRMWARE_AF9035;
463 state->eeprom_addr = EEPROM_BASE_AF9035;
464 }
465
466 ret = af9035_ctrl_msg(d, &req);
467 if (ret < 0)
468 goto err;
469
470 dev_dbg(&d->udev->dev, "%s: reply=%*ph\n", __func__, 4, rbuf);
471 if (rbuf[0] || rbuf[1] || rbuf[2] || rbuf[3])
472 ret = WARM;
473 else
474 ret = COLD;
475
476 return ret;
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_old(struct dvb_usb_device *d,
485 const struct firmware *fw)
486 {
487 int ret, i, j, len;
488 u8 wbuf[1];
489 struct usb_req req = { 0, 0, 0, NULL, 0, NULL };
490 struct usb_req req_fw_dl = { CMD_FW_DL, 0, 0, wbuf, 0, NULL };
491 u8 hdr_core;
492 u16 hdr_addr, hdr_data_len, hdr_checksum;
493 #define MAX_DATA 58
494 #define HDR_SIZE 7
495
496 /*
497 * Thanks to Daniel Glöckner <daniel-gl@gmx.net> about that info!
498 *
499 * byte 0: MCS 51 core
500 * There are two inside the AF9035 (1=Link and 2=OFDM) with separate
501 * address spaces
502 * byte 1-2: Big endian destination address
503 * byte 3-4: Big endian number of data bytes following the header
504 * byte 5-6: Big endian header checksum, apparently ignored by the chip
505 * Calculated as ~(h[0]*256+h[1]+h[2]*256+h[3]+h[4]*256)
506 */
507
508 for (i = fw->size; i > HDR_SIZE;) {
509 hdr_core = fw->data[fw->size - i + 0];
510 hdr_addr = fw->data[fw->size - i + 1] << 8;
511 hdr_addr |= fw->data[fw->size - i + 2] << 0;
512 hdr_data_len = fw->data[fw->size - i + 3] << 8;
513 hdr_data_len |= fw->data[fw->size - i + 4] << 0;
514 hdr_checksum = fw->data[fw->size - i + 5] << 8;
515 hdr_checksum |= fw->data[fw->size - i + 6] << 0;
516
517 dev_dbg(&d->udev->dev,
518 "%s: core=%d addr=%04x data_len=%d checksum=%04x\n",
519 __func__, hdr_core, hdr_addr, hdr_data_len,
520 hdr_checksum);
521
522 if (((hdr_core != 1) && (hdr_core != 2)) ||
523 (hdr_data_len > i)) {
524 dev_dbg(&d->udev->dev, "%s: bad firmware\n", __func__);
525 break;
526 }
527
528 /* download begin packet */
529 req.cmd = CMD_FW_DL_BEGIN;
530 ret = af9035_ctrl_msg(d, &req);
531 if (ret < 0)
532 goto err;
533
534 /* download firmware packet(s) */
535 for (j = HDR_SIZE + hdr_data_len; j > 0; j -= MAX_DATA) {
536 len = j;
537 if (len > MAX_DATA)
538 len = MAX_DATA;
539 req_fw_dl.wlen = len;
540 req_fw_dl.wbuf = (u8 *) &fw->data[fw->size - i +
541 HDR_SIZE + hdr_data_len - j];
542 ret = af9035_ctrl_msg(d, &req_fw_dl);
543 if (ret < 0)
544 goto err;
545 }
546
547 /* download end packet */
548 req.cmd = CMD_FW_DL_END;
549 ret = af9035_ctrl_msg(d, &req);
550 if (ret < 0)
551 goto err;
552
553 i -= hdr_data_len + HDR_SIZE;
554
555 dev_dbg(&d->udev->dev, "%s: data uploaded=%zu\n",
556 __func__, fw->size - i);
557 }
558
559 /* print warn if firmware is bad, continue and see what happens */
560 if (i)
561 dev_warn(&d->udev->dev, "%s: bad firmware\n", KBUILD_MODNAME);
562
563 return 0;
564
565 err:
566 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
567
568 return ret;
569 }
570
571 static int af9035_download_firmware_new(struct dvb_usb_device *d,
572 const struct firmware *fw)
573 {
574 int ret, i, i_prev;
575 struct usb_req req_fw_dl = { CMD_FW_SCATTER_WR, 0, 0, NULL, 0, NULL };
576 #define HDR_SIZE 7
577
578 /*
579 * There seems to be following firmware header. Meaning of bytes 0-3
580 * is unknown.
581 *
582 * 0: 3
583 * 1: 0, 1
584 * 2: 0
585 * 3: 1, 2, 3
586 * 4: addr MSB
587 * 5: addr LSB
588 * 6: count of data bytes ?
589 */
590 for (i = HDR_SIZE, i_prev = 0; i <= fw->size; i++) {
591 if (i == fw->size ||
592 (fw->data[i + 0] == 0x03 &&
593 (fw->data[i + 1] == 0x00 ||
594 fw->data[i + 1] == 0x01) &&
595 fw->data[i + 2] == 0x00)) {
596 req_fw_dl.wlen = i - i_prev;
597 req_fw_dl.wbuf = (u8 *) &fw->data[i_prev];
598 i_prev = i;
599 ret = af9035_ctrl_msg(d, &req_fw_dl);
600 if (ret < 0)
601 goto err;
602
603 dev_dbg(&d->udev->dev, "%s: data uploaded=%d\n",
604 __func__, i);
605 }
606 }
607
608 return 0;
609
610 err:
611 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
612
613 return ret;
614 }
615
616 static int af9035_download_firmware(struct dvb_usb_device *d,
617 const struct firmware *fw)
618 {
619 struct state *state = d_to_priv(d);
620 int ret;
621 u8 wbuf[1];
622 u8 rbuf[4];
623 u8 tmp;
624 struct usb_req req = { 0, 0, 0, NULL, 0, NULL };
625 struct usb_req req_fw_ver = { CMD_FW_QUERYINFO, 0, 1, wbuf, 4, rbuf };
626
627 dev_dbg(&d->udev->dev, "%s:\n", __func__);
628
629 /*
630 * In case of dual tuner configuration we need to do some extra
631 * initialization in order to download firmware to slave demod too,
632 * which is done by master demod.
633 * Master feeds also clock and controls power via GPIO.
634 */
635 ret = af9035_rd_reg(d, state->eeprom_addr + EEPROM_TS_MODE, &tmp);
636 if (ret < 0)
637 goto err;
638
639 if (tmp == 1 || tmp == 3) {
640 /* configure gpioh1, reset & power slave demod */
641 ret = af9035_wr_reg_mask(d, 0x00d8b0, 0x01, 0x01);
642 if (ret < 0)
643 goto err;
644
645 ret = af9035_wr_reg_mask(d, 0x00d8b1, 0x01, 0x01);
646 if (ret < 0)
647 goto err;
648
649 ret = af9035_wr_reg_mask(d, 0x00d8af, 0x00, 0x01);
650 if (ret < 0)
651 goto err;
652
653 usleep_range(10000, 50000);
654
655 ret = af9035_wr_reg_mask(d, 0x00d8af, 0x01, 0x01);
656 if (ret < 0)
657 goto err;
658
659 /* tell the slave I2C address */
660 ret = af9035_rd_reg(d,
661 state->eeprom_addr + EEPROM_2ND_DEMOD_ADDR,
662 &tmp);
663 if (ret < 0)
664 goto err;
665
666 /* use default I2C address if eeprom has no address set */
667 if (!tmp)
668 tmp = 0x3a;
669
670 if (state->chip_type == 0x9135) {
671 ret = af9035_wr_reg(d, 0x004bfb, tmp);
672 if (ret < 0)
673 goto err;
674 } else {
675 ret = af9035_wr_reg(d, 0x00417f, tmp);
676 if (ret < 0)
677 goto err;
678
679 /* enable clock out */
680 ret = af9035_wr_reg_mask(d, 0x00d81a, 0x01, 0x01);
681 if (ret < 0)
682 goto err;
683 }
684 }
685
686 if (fw->data[0] == 0x01)
687 ret = af9035_download_firmware_old(d, fw);
688 else
689 ret = af9035_download_firmware_new(d, fw);
690 if (ret < 0)
691 goto err;
692
693 /* firmware loaded, request boot */
694 req.cmd = CMD_FW_BOOT;
695 ret = af9035_ctrl_msg(d, &req);
696 if (ret < 0)
697 goto err;
698
699 /* ensure firmware starts */
700 wbuf[0] = 1;
701 ret = af9035_ctrl_msg(d, &req_fw_ver);
702 if (ret < 0)
703 goto err;
704
705 if (!(rbuf[0] || rbuf[1] || rbuf[2] || rbuf[3])) {
706 dev_err(&d->udev->dev, "%s: firmware did not run\n",
707 KBUILD_MODNAME);
708 ret = -ENODEV;
709 goto err;
710 }
711
712 dev_info(&d->udev->dev, "%s: firmware version=%d.%d.%d.%d",
713 KBUILD_MODNAME, rbuf[0], rbuf[1], rbuf[2], rbuf[3]);
714
715 return 0;
716
717 err:
718 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
719
720 return ret;
721 }
722
723 static int af9035_read_config(struct dvb_usb_device *d)
724 {
725 struct state *state = d_to_priv(d);
726 int ret, i;
727 u8 tmp;
728 u16 tmp16, addr;
729
730 /* demod I2C "address" */
731 state->af9033_config[0].i2c_addr = 0x38;
732 state->af9033_config[1].i2c_addr = 0x3a;
733 state->af9033_config[0].adc_multiplier = AF9033_ADC_MULTIPLIER_2X;
734 state->af9033_config[1].adc_multiplier = AF9033_ADC_MULTIPLIER_2X;
735 state->af9033_config[0].ts_mode = AF9033_TS_MODE_USB;
736 state->af9033_config[1].ts_mode = AF9033_TS_MODE_SERIAL;
737
738 if (state->chip_type == 0x9135) {
739 /* feed clock for integrated RF tuner */
740 state->af9033_config[0].dyn0_clk = true;
741 state->af9033_config[1].dyn0_clk = true;
742
743 if (state->chip_version == 0x02) {
744 state->af9033_config[0].tuner = AF9033_TUNER_IT9135_60;
745 state->af9033_config[1].tuner = AF9033_TUNER_IT9135_60;
746 tmp16 = 0x00461d; /* eeprom memory mapped location */
747 } else {
748 state->af9033_config[0].tuner = AF9033_TUNER_IT9135_38;
749 state->af9033_config[1].tuner = AF9033_TUNER_IT9135_38;
750 tmp16 = 0x00461b; /* eeprom memory mapped location */
751 }
752
753 /* check if eeprom exists */
754 ret = af9035_rd_reg(d, tmp16, &tmp);
755 if (ret < 0)
756 goto err;
757
758 if (tmp == 0x00) {
759 dev_dbg(&d->udev->dev, "%s: no eeprom\n", __func__);
760 goto skip_eeprom;
761 }
762 }
763
764 /* check if there is dual tuners */
765 ret = af9035_rd_reg(d, state->eeprom_addr + EEPROM_TS_MODE, &tmp);
766 if (ret < 0)
767 goto err;
768
769 if (tmp == 1 || tmp == 3)
770 state->dual_mode = true;
771
772 dev_dbg(&d->udev->dev, "%s: ts mode=%d dual mode=%d\n", __func__,
773 tmp, state->dual_mode);
774
775 if (state->dual_mode) {
776 /* read 2nd demodulator I2C address */
777 ret = af9035_rd_reg(d,
778 state->eeprom_addr + EEPROM_2ND_DEMOD_ADDR,
779 &tmp);
780 if (ret < 0)
781 goto err;
782
783 if (tmp)
784 state->af9033_config[1].i2c_addr = tmp;
785
786 dev_dbg(&d->udev->dev, "%s: 2nd demod I2C addr=%02x\n",
787 __func__, tmp);
788 }
789
790 addr = state->eeprom_addr;
791
792 for (i = 0; i < state->dual_mode + 1; i++) {
793 /* tuner */
794 ret = af9035_rd_reg(d, addr + EEPROM_1_TUNER_ID, &tmp);
795 if (ret < 0)
796 goto err;
797
798 dev_dbg(&d->udev->dev, "%s: [%d]tuner=%02x\n",
799 __func__, i, tmp);
800
801 /* tuner sanity check */
802 if (state->chip_type == 0x9135) {
803 if (state->chip_version == 0x02) {
804 /* IT9135 BX (v2) */
805 switch (tmp) {
806 case AF9033_TUNER_IT9135_60:
807 case AF9033_TUNER_IT9135_61:
808 case AF9033_TUNER_IT9135_62:
809 state->af9033_config[i].tuner = tmp;
810 break;
811 }
812 } else {
813 /* IT9135 AX (v1) */
814 switch (tmp) {
815 case AF9033_TUNER_IT9135_38:
816 case AF9033_TUNER_IT9135_51:
817 case AF9033_TUNER_IT9135_52:
818 state->af9033_config[i].tuner = tmp;
819 break;
820 }
821 }
822 } else {
823 /* AF9035 */
824 state->af9033_config[i].tuner = tmp;
825 }
826
827 if (state->af9033_config[i].tuner != tmp) {
828 dev_info(&d->udev->dev,
829 "%s: [%d] overriding tuner from %02x to %02x\n",
830 KBUILD_MODNAME, i, tmp,
831 state->af9033_config[i].tuner);
832 }
833
834 switch (state->af9033_config[i].tuner) {
835 case AF9033_TUNER_TUA9001:
836 case AF9033_TUNER_FC0011:
837 case AF9033_TUNER_MXL5007T:
838 case AF9033_TUNER_TDA18218:
839 case AF9033_TUNER_FC2580:
840 case AF9033_TUNER_FC0012:
841 state->af9033_config[i].spec_inv = 1;
842 break;
843 case AF9033_TUNER_IT9135_38:
844 case AF9033_TUNER_IT9135_51:
845 case AF9033_TUNER_IT9135_52:
846 case AF9033_TUNER_IT9135_60:
847 case AF9033_TUNER_IT9135_61:
848 case AF9033_TUNER_IT9135_62:
849 break;
850 default:
851 dev_warn(&d->udev->dev,
852 "%s: tuner id=%02x not supported, please report!",
853 KBUILD_MODNAME, tmp);
854 }
855
856 /* disable dual mode if driver does not support it */
857 if (i == 1)
858 switch (state->af9033_config[i].tuner) {
859 case AF9033_TUNER_FC0012:
860 case AF9033_TUNER_IT9135_38:
861 case AF9033_TUNER_IT9135_51:
862 case AF9033_TUNER_IT9135_52:
863 case AF9033_TUNER_IT9135_60:
864 case AF9033_TUNER_IT9135_61:
865 case AF9033_TUNER_IT9135_62:
866 case AF9033_TUNER_MXL5007T:
867 break;
868 default:
869 state->dual_mode = false;
870 dev_info(&d->udev->dev,
871 "%s: driver does not support 2nd tuner and will disable it",
872 KBUILD_MODNAME);
873 }
874
875 /* tuner IF frequency */
876 ret = af9035_rd_reg(d, addr + EEPROM_1_IF_L, &tmp);
877 if (ret < 0)
878 goto err;
879
880 tmp16 = tmp;
881
882 ret = af9035_rd_reg(d, addr + EEPROM_1_IF_H, &tmp);
883 if (ret < 0)
884 goto err;
885
886 tmp16 |= tmp << 8;
887
888 dev_dbg(&d->udev->dev, "%s: [%d]IF=%d\n", __func__, i, tmp16);
889
890 addr += 0x10; /* shift for the 2nd tuner params */
891 }
892
893 skip_eeprom:
894 /* get demod clock */
895 ret = af9035_rd_reg(d, 0x00d800, &tmp);
896 if (ret < 0)
897 goto err;
898
899 tmp = (tmp >> 0) & 0x0f;
900
901 for (i = 0; i < ARRAY_SIZE(state->af9033_config); i++) {
902 if (state->chip_type == 0x9135)
903 state->af9033_config[i].clock = clock_lut_it9135[tmp];
904 else
905 state->af9033_config[i].clock = clock_lut_af9035[tmp];
906 }
907
908 return 0;
909
910 err:
911 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
912
913 return ret;
914 }
915
916 static int af9035_tua9001_tuner_callback(struct dvb_usb_device *d,
917 int cmd, int arg)
918 {
919 int ret;
920 u8 val;
921
922 dev_dbg(&d->udev->dev, "%s: cmd=%d arg=%d\n", __func__, cmd, arg);
923
924 /*
925 * CEN always enabled by hardware wiring
926 * RESETN GPIOT3
927 * RXEN GPIOT2
928 */
929
930 switch (cmd) {
931 case TUA9001_CMD_RESETN:
932 if (arg)
933 val = 0x00;
934 else
935 val = 0x01;
936
937 ret = af9035_wr_reg_mask(d, 0x00d8e7, val, 0x01);
938 if (ret < 0)
939 goto err;
940 break;
941 case TUA9001_CMD_RXEN:
942 if (arg)
943 val = 0x01;
944 else
945 val = 0x00;
946
947 ret = af9035_wr_reg_mask(d, 0x00d8eb, val, 0x01);
948 if (ret < 0)
949 goto err;
950 break;
951 }
952
953 return 0;
954
955 err:
956 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
957
958 return ret;
959 }
960
961
962 static int af9035_fc0011_tuner_callback(struct dvb_usb_device *d,
963 int cmd, int arg)
964 {
965 int ret;
966
967 switch (cmd) {
968 case FC0011_FE_CALLBACK_POWER:
969 /* Tuner enable */
970 ret = af9035_wr_reg_mask(d, 0xd8eb, 1, 1);
971 if (ret < 0)
972 goto err;
973
974 ret = af9035_wr_reg_mask(d, 0xd8ec, 1, 1);
975 if (ret < 0)
976 goto err;
977
978 ret = af9035_wr_reg_mask(d, 0xd8ed, 1, 1);
979 if (ret < 0)
980 goto err;
981
982 /* LED */
983 ret = af9035_wr_reg_mask(d, 0xd8d0, 1, 1);
984 if (ret < 0)
985 goto err;
986
987 ret = af9035_wr_reg_mask(d, 0xd8d1, 1, 1);
988 if (ret < 0)
989 goto err;
990
991 usleep_range(10000, 50000);
992 break;
993 case FC0011_FE_CALLBACK_RESET:
994 ret = af9035_wr_reg(d, 0xd8e9, 1);
995 if (ret < 0)
996 goto err;
997
998 ret = af9035_wr_reg(d, 0xd8e8, 1);
999 if (ret < 0)
1000 goto err;
1001
1002 ret = af9035_wr_reg(d, 0xd8e7, 1);
1003 if (ret < 0)
1004 goto err;
1005
1006 usleep_range(10000, 20000);
1007
1008 ret = af9035_wr_reg(d, 0xd8e7, 0);
1009 if (ret < 0)
1010 goto err;
1011
1012 usleep_range(10000, 20000);
1013 break;
1014 default:
1015 ret = -EINVAL;
1016 goto err;
1017 }
1018
1019 return 0;
1020
1021 err:
1022 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
1023
1024 return ret;
1025 }
1026
1027 static int af9035_tuner_callback(struct dvb_usb_device *d, int cmd, int arg)
1028 {
1029 struct state *state = d_to_priv(d);
1030
1031 switch (state->af9033_config[0].tuner) {
1032 case AF9033_TUNER_FC0011:
1033 return af9035_fc0011_tuner_callback(d, cmd, arg);
1034 case AF9033_TUNER_TUA9001:
1035 return af9035_tua9001_tuner_callback(d, cmd, arg);
1036 default:
1037 break;
1038 }
1039
1040 return 0;
1041 }
1042
1043 static int af9035_frontend_callback(void *adapter_priv, int component,
1044 int cmd, int arg)
1045 {
1046 struct i2c_adapter *adap = adapter_priv;
1047 struct dvb_usb_device *d = i2c_get_adapdata(adap);
1048
1049 dev_dbg(&d->udev->dev, "%s: component=%d cmd=%d arg=%d\n",
1050 __func__, component, cmd, arg);
1051
1052 switch (component) {
1053 case DVB_FRONTEND_COMPONENT_TUNER:
1054 return af9035_tuner_callback(d, cmd, arg);
1055 default:
1056 break;
1057 }
1058
1059 return 0;
1060 }
1061
1062 static int af9035_get_adapter_count(struct dvb_usb_device *d)
1063 {
1064 struct state *state = d_to_priv(d);
1065
1066 return state->dual_mode + 1;
1067 }
1068
1069 static int af9035_frontend_attach(struct dvb_usb_adapter *adap)
1070 {
1071 struct state *state = adap_to_priv(adap);
1072 struct dvb_usb_device *d = adap_to_d(adap);
1073 int ret;
1074
1075 dev_dbg(&d->udev->dev, "%s:\n", __func__);
1076
1077 if (!state->af9033_config[adap->id].tuner) {
1078 /* unsupported tuner */
1079 ret = -ENODEV;
1080 goto err;
1081 }
1082
1083 /* attach demodulator */
1084 adap->fe[0] = dvb_attach(af9033_attach, &state->af9033_config[adap->id],
1085 &d->i2c_adap, &state->ops);
1086 if (adap->fe[0] == NULL) {
1087 ret = -ENODEV;
1088 goto err;
1089 }
1090
1091 /* disable I2C-gate */
1092 adap->fe[0]->ops.i2c_gate_ctrl = NULL;
1093 adap->fe[0]->callback = af9035_frontend_callback;
1094
1095 return 0;
1096
1097 err:
1098 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
1099
1100 return ret;
1101 }
1102
1103 static struct tua9001_config af9035_tua9001_config = {
1104 .i2c_addr = 0x60,
1105 };
1106
1107 static const struct fc0011_config af9035_fc0011_config = {
1108 .i2c_address = 0x60,
1109 };
1110
1111 static struct mxl5007t_config af9035_mxl5007t_config[] = {
1112 {
1113 .xtal_freq_hz = MxL_XTAL_24_MHZ,
1114 .if_freq_hz = MxL_IF_4_57_MHZ,
1115 .invert_if = 0,
1116 .loop_thru_enable = 0,
1117 .clk_out_enable = 0,
1118 .clk_out_amp = MxL_CLKOUT_AMP_0_94V,
1119 }, {
1120 .xtal_freq_hz = MxL_XTAL_24_MHZ,
1121 .if_freq_hz = MxL_IF_4_57_MHZ,
1122 .invert_if = 0,
1123 .loop_thru_enable = 1,
1124 .clk_out_enable = 1,
1125 .clk_out_amp = MxL_CLKOUT_AMP_0_94V,
1126 }
1127 };
1128
1129 static struct tda18218_config af9035_tda18218_config = {
1130 .i2c_address = 0x60,
1131 .i2c_wr_max = 21,
1132 };
1133
1134 static const struct fc2580_config af9035_fc2580_config = {
1135 .i2c_addr = 0x56,
1136 .clock = 16384000,
1137 };
1138
1139 static const struct fc0012_config af9035_fc0012_config[] = {
1140 {
1141 .i2c_address = 0x63,
1142 .xtal_freq = FC_XTAL_36_MHZ,
1143 .dual_master = true,
1144 .loop_through = true,
1145 .clock_out = true,
1146 }, {
1147 .i2c_address = 0x63 | 0x80, /* I2C bus select hack */
1148 .xtal_freq = FC_XTAL_36_MHZ,
1149 .dual_master = true,
1150 }
1151 };
1152
1153 static int af9035_tuner_attach(struct dvb_usb_adapter *adap)
1154 {
1155 struct state *state = adap_to_priv(adap);
1156 struct dvb_usb_device *d = adap_to_d(adap);
1157 int ret;
1158 struct dvb_frontend *fe;
1159 struct i2c_msg msg[1];
1160 u8 tuner_addr;
1161
1162 dev_dbg(&d->udev->dev, "%s:\n", __func__);
1163
1164 /*
1165 * XXX: Hack used in that function: we abuse unused I2C address bit [7]
1166 * to carry info about used I2C bus for dual tuner configuration.
1167 */
1168
1169 switch (state->af9033_config[adap->id].tuner) {
1170 case AF9033_TUNER_TUA9001:
1171 /* AF9035 gpiot3 = TUA9001 RESETN
1172 AF9035 gpiot2 = TUA9001 RXEN */
1173
1174 /* configure gpiot2 and gpiot2 as output */
1175 ret = af9035_wr_reg_mask(d, 0x00d8ec, 0x01, 0x01);
1176 if (ret < 0)
1177 goto err;
1178
1179 ret = af9035_wr_reg_mask(d, 0x00d8ed, 0x01, 0x01);
1180 if (ret < 0)
1181 goto err;
1182
1183 ret = af9035_wr_reg_mask(d, 0x00d8e8, 0x01, 0x01);
1184 if (ret < 0)
1185 goto err;
1186
1187 ret = af9035_wr_reg_mask(d, 0x00d8e9, 0x01, 0x01);
1188 if (ret < 0)
1189 goto err;
1190
1191 /* attach tuner */
1192 fe = dvb_attach(tua9001_attach, adap->fe[0],
1193 &d->i2c_adap, &af9035_tua9001_config);
1194 break;
1195 case AF9033_TUNER_FC0011:
1196 fe = dvb_attach(fc0011_attach, adap->fe[0],
1197 &d->i2c_adap, &af9035_fc0011_config);
1198 break;
1199 case AF9033_TUNER_MXL5007T:
1200 if (adap->id == 0) {
1201 ret = af9035_wr_reg(d, 0x00d8e0, 1);
1202 if (ret < 0)
1203 goto err;
1204
1205 ret = af9035_wr_reg(d, 0x00d8e1, 1);
1206 if (ret < 0)
1207 goto err;
1208
1209 ret = af9035_wr_reg(d, 0x00d8df, 0);
1210 if (ret < 0)
1211 goto err;
1212
1213 msleep(30);
1214
1215 ret = af9035_wr_reg(d, 0x00d8df, 1);
1216 if (ret < 0)
1217 goto err;
1218
1219 msleep(300);
1220
1221 ret = af9035_wr_reg(d, 0x00d8c0, 1);
1222 if (ret < 0)
1223 goto err;
1224
1225 ret = af9035_wr_reg(d, 0x00d8c1, 1);
1226 if (ret < 0)
1227 goto err;
1228
1229 ret = af9035_wr_reg(d, 0x00d8bf, 0);
1230 if (ret < 0)
1231 goto err;
1232
1233 ret = af9035_wr_reg(d, 0x00d8b4, 1);
1234 if (ret < 0)
1235 goto err;
1236
1237 ret = af9035_wr_reg(d, 0x00d8b5, 1);
1238 if (ret < 0)
1239 goto err;
1240
1241 ret = af9035_wr_reg(d, 0x00d8b3, 1);
1242 if (ret < 0)
1243 goto err;
1244
1245 tuner_addr = 0x60;
1246 } else {
1247 tuner_addr = 0x60 | 0x80; /* I2C bus hack */
1248 }
1249
1250 /* attach tuner */
1251 fe = dvb_attach(mxl5007t_attach, adap->fe[0], &d->i2c_adap,
1252 tuner_addr, &af9035_mxl5007t_config[adap->id]);
1253 break;
1254 case AF9033_TUNER_TDA18218:
1255 /* attach tuner */
1256 fe = dvb_attach(tda18218_attach, adap->fe[0],
1257 &d->i2c_adap, &af9035_tda18218_config);
1258 break;
1259 case AF9033_TUNER_FC2580:
1260 /* Tuner enable using gpiot2_o, gpiot2_en and gpiot2_on */
1261 ret = af9035_wr_reg_mask(d, 0xd8eb, 0x01, 0x01);
1262 if (ret < 0)
1263 goto err;
1264
1265 ret = af9035_wr_reg_mask(d, 0xd8ec, 0x01, 0x01);
1266 if (ret < 0)
1267 goto err;
1268
1269 ret = af9035_wr_reg_mask(d, 0xd8ed, 0x01, 0x01);
1270 if (ret < 0)
1271 goto err;
1272
1273 usleep_range(10000, 50000);
1274 /* attach tuner */
1275 fe = dvb_attach(fc2580_attach, adap->fe[0],
1276 &d->i2c_adap, &af9035_fc2580_config);
1277 break;
1278 case AF9033_TUNER_FC0012:
1279 /*
1280 * AF9035 gpiot2 = FC0012 enable
1281 * XXX: there seems to be something on gpioh8 too, but on my
1282 * my test I didn't find any difference.
1283 */
1284
1285 if (adap->id == 0) {
1286 /* configure gpiot2 as output and high */
1287 ret = af9035_wr_reg_mask(d, 0xd8eb, 0x01, 0x01);
1288 if (ret < 0)
1289 goto err;
1290
1291 ret = af9035_wr_reg_mask(d, 0xd8ec, 0x01, 0x01);
1292 if (ret < 0)
1293 goto err;
1294
1295 ret = af9035_wr_reg_mask(d, 0xd8ed, 0x01, 0x01);
1296 if (ret < 0)
1297 goto err;
1298 } else {
1299 /*
1300 * FIXME: That belongs for the FC0012 driver.
1301 * Write 02 to FC0012 master tuner register 0d directly
1302 * in order to make slave tuner working.
1303 */
1304 msg[0].addr = 0x63;
1305 msg[0].flags = 0;
1306 msg[0].len = 2;
1307 msg[0].buf = "\x0d\x02";
1308 ret = i2c_transfer(&d->i2c_adap, msg, 1);
1309 if (ret < 0)
1310 goto err;
1311 }
1312
1313 usleep_range(10000, 50000);
1314
1315 fe = dvb_attach(fc0012_attach, adap->fe[0], &d->i2c_adap,
1316 &af9035_fc0012_config[adap->id]);
1317 break;
1318 case AF9033_TUNER_IT9135_38:
1319 case AF9033_TUNER_IT9135_51:
1320 case AF9033_TUNER_IT9135_52:
1321 {
1322 struct it913x_config it913x_config = {
1323 .fe = adap->fe[0],
1324 .chip_ver = 1,
1325 };
1326
1327 if (state->dual_mode) {
1328 if (adap->id == 0)
1329 it913x_config.role = IT913X_ROLE_DUAL_MASTER;
1330 else
1331 it913x_config.role = IT913X_ROLE_DUAL_SLAVE;
1332 }
1333
1334 ret = af9035_add_i2c_dev(d, "it913x",
1335 state->af9033_config[adap->id].i2c_addr,
1336 &it913x_config);
1337 if (ret)
1338 goto err;
1339
1340 fe = adap->fe[0];
1341 break;
1342 }
1343 case AF9033_TUNER_IT9135_60:
1344 case AF9033_TUNER_IT9135_61:
1345 case AF9033_TUNER_IT9135_62:
1346 {
1347 struct it913x_config it913x_config = {
1348 .fe = adap->fe[0],
1349 .chip_ver = 2,
1350 };
1351
1352 if (state->dual_mode) {
1353 if (adap->id == 0)
1354 it913x_config.role = IT913X_ROLE_DUAL_MASTER;
1355 else
1356 it913x_config.role = IT913X_ROLE_DUAL_SLAVE;
1357 }
1358
1359 ret = af9035_add_i2c_dev(d, "it913x",
1360 state->af9033_config[adap->id].i2c_addr,
1361 &it913x_config);
1362 if (ret)
1363 goto err;
1364
1365 fe = adap->fe[0];
1366 break;
1367 }
1368 default:
1369 fe = NULL;
1370 }
1371
1372 if (fe == NULL) {
1373 ret = -ENODEV;
1374 goto err;
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
1385 static int af9035_init(struct dvb_usb_device *d)
1386 {
1387 struct state *state = d_to_priv(d);
1388 int ret, i;
1389 u16 frame_size = (d->udev->speed == USB_SPEED_FULL ? 5 : 87) * 188 / 4;
1390 u8 packet_size = (d->udev->speed == USB_SPEED_FULL ? 64 : 512) / 4;
1391 struct reg_val_mask tab[] = {
1392 { 0x80f99d, 0x01, 0x01 },
1393 { 0x80f9a4, 0x01, 0x01 },
1394 { 0x00dd11, 0x00, 0x20 },
1395 { 0x00dd11, 0x00, 0x40 },
1396 { 0x00dd13, 0x00, 0x20 },
1397 { 0x00dd13, 0x00, 0x40 },
1398 { 0x00dd11, 0x20, 0x20 },
1399 { 0x00dd88, (frame_size >> 0) & 0xff, 0xff},
1400 { 0x00dd89, (frame_size >> 8) & 0xff, 0xff},
1401 { 0x00dd0c, packet_size, 0xff},
1402 { 0x00dd11, state->dual_mode << 6, 0x40 },
1403 { 0x00dd8a, (frame_size >> 0) & 0xff, 0xff},
1404 { 0x00dd8b, (frame_size >> 8) & 0xff, 0xff},
1405 { 0x00dd0d, packet_size, 0xff },
1406 { 0x80f9a3, state->dual_mode, 0x01 },
1407 { 0x80f9cd, state->dual_mode, 0x01 },
1408 { 0x80f99d, 0x00, 0x01 },
1409 { 0x80f9a4, 0x00, 0x01 },
1410 };
1411
1412 dev_dbg(&d->udev->dev,
1413 "%s: USB speed=%d frame_size=%04x packet_size=%02x\n",
1414 __func__, d->udev->speed, frame_size, packet_size);
1415
1416 /* init endpoints */
1417 for (i = 0; i < ARRAY_SIZE(tab); i++) {
1418 ret = af9035_wr_reg_mask(d, tab[i].reg, tab[i].val,
1419 tab[i].mask);
1420 if (ret < 0)
1421 goto err;
1422 }
1423
1424 return 0;
1425
1426 err:
1427 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
1428
1429 return ret;
1430 }
1431
1432 static void af9035_exit(struct dvb_usb_device *d)
1433 {
1434 struct state *state = d_to_priv(d);
1435
1436 dev_dbg(&d->udev->dev, "%s:\n", __func__);
1437
1438 if (state->i2c_client[1])
1439 af9035_del_i2c_dev(d);
1440
1441 if (state->i2c_client[0])
1442 af9035_del_i2c_dev(d);
1443 }
1444
1445 #if IS_ENABLED(CONFIG_RC_CORE)
1446 static int af9035_rc_query(struct dvb_usb_device *d)
1447 {
1448 int ret;
1449 u32 key;
1450 u8 buf[4];
1451 struct usb_req req = { CMD_IR_GET, 0, 0, NULL, 4, buf };
1452
1453 ret = af9035_ctrl_msg(d, &req);
1454 if (ret == 1)
1455 return 0;
1456 else if (ret < 0)
1457 goto err;
1458
1459 if ((buf[2] + buf[3]) == 0xff) {
1460 if ((buf[0] + buf[1]) == 0xff) {
1461 /* NEC standard 16bit */
1462 key = RC_SCANCODE_NEC(buf[0], buf[2]);
1463 } else {
1464 /* NEC extended 24bit */
1465 key = RC_SCANCODE_NECX(buf[0] << 8 | buf[1], buf[2]);
1466 }
1467 } else {
1468 /* NEC full code 32bit */
1469 key = RC_SCANCODE_NEC32(buf[0] << 24 | buf[1] << 16 |
1470 buf[2] << 8 | buf[3]);
1471 }
1472
1473 dev_dbg(&d->udev->dev, "%s: %*ph\n", __func__, 4, buf);
1474
1475 rc_keydown(d->rc_dev, RC_TYPE_NEC, key, 0);
1476
1477 return 0;
1478
1479 err:
1480 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
1481
1482 return ret;
1483 }
1484
1485 static int af9035_get_rc_config(struct dvb_usb_device *d, struct dvb_usb_rc *rc)
1486 {
1487 struct state *state = d_to_priv(d);
1488 int ret;
1489 u8 tmp;
1490
1491 ret = af9035_rd_reg(d, state->eeprom_addr + EEPROM_IR_MODE, &tmp);
1492 if (ret < 0)
1493 goto err;
1494
1495 dev_dbg(&d->udev->dev, "%s: ir_mode=%02x\n", __func__, tmp);
1496
1497 /* don't activate rc if in HID mode or if not available */
1498 if (tmp == 5) {
1499 ret = af9035_rd_reg(d, state->eeprom_addr + EEPROM_IR_TYPE,
1500 &tmp);
1501 if (ret < 0)
1502 goto err;
1503
1504 dev_dbg(&d->udev->dev, "%s: ir_type=%02x\n", __func__, tmp);
1505
1506 switch (tmp) {
1507 case 0: /* NEC */
1508 default:
1509 rc->allowed_protos = RC_BIT_NEC;
1510 break;
1511 case 1: /* RC6 */
1512 rc->allowed_protos = RC_BIT_RC6_MCE;
1513 break;
1514 }
1515
1516 rc->query = af9035_rc_query;
1517 rc->interval = 500;
1518
1519 /* load empty to enable rc */
1520 if (!rc->map_name)
1521 rc->map_name = RC_MAP_EMPTY;
1522 }
1523
1524 return 0;
1525
1526 err:
1527 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
1528
1529 return ret;
1530 }
1531 #else
1532 #define af9035_get_rc_config NULL
1533 #endif
1534
1535 static int af9035_get_stream_config(struct dvb_frontend *fe, u8 *ts_type,
1536 struct usb_data_stream_properties *stream)
1537 {
1538 struct dvb_usb_device *d = fe_to_d(fe);
1539
1540 dev_dbg(&d->udev->dev, "%s: adap=%d\n", __func__, fe_to_adap(fe)->id);
1541
1542 if (d->udev->speed == USB_SPEED_FULL)
1543 stream->u.bulk.buffersize = 5 * 188;
1544
1545 return 0;
1546 }
1547
1548 static int af9035_pid_filter_ctrl(struct dvb_usb_adapter *adap, int onoff)
1549 {
1550 struct state *state = adap_to_priv(adap);
1551
1552 return state->ops.pid_filter_ctrl(adap->fe[0], onoff);
1553 }
1554
1555 static int af9035_pid_filter(struct dvb_usb_adapter *adap, int index, u16 pid,
1556 int onoff)
1557 {
1558 struct state *state = adap_to_priv(adap);
1559
1560 return state->ops.pid_filter(adap->fe[0], index, pid, onoff);
1561 }
1562
1563 static int af9035_probe(struct usb_interface *intf,
1564 const struct usb_device_id *id)
1565 {
1566 struct usb_device *udev = interface_to_usbdev(intf);
1567 char manufacturer[sizeof("Afatech")];
1568
1569 memset(manufacturer, 0, sizeof(manufacturer));
1570 usb_string(udev, udev->descriptor.iManufacturer,
1571 manufacturer, sizeof(manufacturer));
1572 /*
1573 * There is two devices having same ID but different chipset. One uses
1574 * AF9015 and the other IT9135 chipset. Only difference seen on lsusb
1575 * is iManufacturer string.
1576 *
1577 * idVendor 0x0ccd TerraTec Electronic GmbH
1578 * idProduct 0x0099
1579 * bcdDevice 2.00
1580 * iManufacturer 1 Afatech
1581 * iProduct 2 DVB-T 2
1582 *
1583 * idVendor 0x0ccd TerraTec Electronic GmbH
1584 * idProduct 0x0099
1585 * bcdDevice 2.00
1586 * iManufacturer 1 ITE Technologies, Inc.
1587 * iProduct 2 DVB-T TV Stick
1588 */
1589 if ((le16_to_cpu(udev->descriptor.idVendor) == USB_VID_TERRATEC) &&
1590 (le16_to_cpu(udev->descriptor.idProduct) == 0x0099)) {
1591 if (!strcmp("Afatech", manufacturer)) {
1592 dev_dbg(&udev->dev, "%s: rejecting device\n", __func__);
1593 return -ENODEV;
1594 }
1595 }
1596
1597 return dvb_usbv2_probe(intf, id);
1598 }
1599
1600 /* interface 0 is used by DVB-T receiver and
1601 interface 1 is for remote controller (HID) */
1602 static const struct dvb_usb_device_properties af9035_props = {
1603 .driver_name = KBUILD_MODNAME,
1604 .owner = THIS_MODULE,
1605 .adapter_nr = adapter_nr,
1606 .size_of_priv = sizeof(struct state),
1607
1608 .generic_bulk_ctrl_endpoint = 0x02,
1609 .generic_bulk_ctrl_endpoint_response = 0x81,
1610
1611 .identify_state = af9035_identify_state,
1612 .download_firmware = af9035_download_firmware,
1613
1614 .i2c_algo = &af9035_i2c_algo,
1615 .read_config = af9035_read_config,
1616 .frontend_attach = af9035_frontend_attach,
1617 .tuner_attach = af9035_tuner_attach,
1618 .init = af9035_init,
1619 .get_rc_config = af9035_get_rc_config,
1620 .get_stream_config = af9035_get_stream_config,
1621 .exit = af9035_exit,
1622
1623 .get_adapter_count = af9035_get_adapter_count,
1624 .adapter = {
1625 {
1626 .caps = DVB_USB_ADAP_HAS_PID_FILTER |
1627 DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
1628
1629 .pid_filter_count = 32,
1630 .pid_filter_ctrl = af9035_pid_filter_ctrl,
1631 .pid_filter = af9035_pid_filter,
1632
1633 .stream = DVB_USB_STREAM_BULK(0x84, 6, 87 * 188),
1634 }, {
1635 .caps = DVB_USB_ADAP_HAS_PID_FILTER |
1636 DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
1637
1638 .pid_filter_count = 32,
1639 .pid_filter_ctrl = af9035_pid_filter_ctrl,
1640 .pid_filter = af9035_pid_filter,
1641
1642 .stream = DVB_USB_STREAM_BULK(0x85, 6, 87 * 188),
1643 },
1644 },
1645 };
1646
1647 static const struct usb_device_id af9035_id_table[] = {
1648 /* AF9035 devices */
1649 { DVB_USB_DEVICE(USB_VID_AFATECH, USB_PID_AFATECH_AF9035_9035,
1650 &af9035_props, "Afatech AF9035 reference design", NULL) },
1651 { DVB_USB_DEVICE(USB_VID_AFATECH, USB_PID_AFATECH_AF9035_1000,
1652 &af9035_props, "Afatech AF9035 reference design", NULL) },
1653 { DVB_USB_DEVICE(USB_VID_AFATECH, USB_PID_AFATECH_AF9035_1001,
1654 &af9035_props, "Afatech AF9035 reference design", NULL) },
1655 { DVB_USB_DEVICE(USB_VID_AFATECH, USB_PID_AFATECH_AF9035_1002,
1656 &af9035_props, "Afatech AF9035 reference design", NULL) },
1657 { DVB_USB_DEVICE(USB_VID_AFATECH, USB_PID_AFATECH_AF9035_1003,
1658 &af9035_props, "Afatech AF9035 reference design", NULL) },
1659 { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_CINERGY_T_STICK,
1660 &af9035_props, "TerraTec Cinergy T Stick", NULL) },
1661 { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_A835,
1662 &af9035_props, "AVerMedia AVerTV Volar HD/PRO (A835)", NULL) },
1663 { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_B835,
1664 &af9035_props, "AVerMedia AVerTV Volar HD/PRO (A835)", NULL) },
1665 { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_1867,
1666 &af9035_props, "AVerMedia HD Volar (A867)", NULL) },
1667 { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_A867,
1668 &af9035_props, "AVerMedia HD Volar (A867)", NULL) },
1669 { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_TWINSTAR,
1670 &af9035_props, "AVerMedia Twinstar (A825)", NULL) },
1671 { DVB_USB_DEVICE(USB_VID_ASUS, USB_PID_ASUS_U3100MINI_PLUS,
1672 &af9035_props, "Asus U3100Mini Plus", NULL) },
1673 { DVB_USB_DEVICE(USB_VID_TERRATEC, 0x00aa,
1674 &af9035_props, "TerraTec Cinergy T Stick (rev. 2)", NULL) },
1675 /* IT9135 devices */
1676 { DVB_USB_DEVICE(USB_VID_ITETECH, USB_PID_ITETECH_IT9135,
1677 &af9035_props, "ITE 9135 Generic", RC_MAP_IT913X_V1) },
1678 { DVB_USB_DEVICE(USB_VID_ITETECH, USB_PID_ITETECH_IT9135_9005,
1679 &af9035_props, "ITE 9135(9005) Generic", RC_MAP_IT913X_V2) },
1680 { DVB_USB_DEVICE(USB_VID_ITETECH, USB_PID_ITETECH_IT9135_9006,
1681 &af9035_props, "ITE 9135(9006) Generic", RC_MAP_IT913X_V1) },
1682 { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_A835B_1835,
1683 &af9035_props, "Avermedia A835B(1835)", RC_MAP_IT913X_V2) },
1684 { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_A835B_2835,
1685 &af9035_props, "Avermedia A835B(2835)", RC_MAP_IT913X_V2) },
1686 { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_A835B_3835,
1687 &af9035_props, "Avermedia A835B(3835)", RC_MAP_IT913X_V2) },
1688 { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_A835B_4835,
1689 &af9035_props, "Avermedia A835B(4835)", RC_MAP_IT913X_V2) },
1690 { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_H335,
1691 &af9035_props, "Avermedia H335", RC_MAP_IT913X_V2) },
1692 { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_KWORLD_UB499_2T_T09,
1693 &af9035_props, "Kworld UB499-2T T09", RC_MAP_IT913X_V1) },
1694 { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_SVEON_STV22_IT9137,
1695 &af9035_props, "Sveon STV22 Dual DVB-T HDTV",
1696 RC_MAP_IT913X_V1) },
1697 { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_CTVDIGDUAL_V2,
1698 &af9035_props, "Digital Dual TV Receiver CTVDIGDUAL_V2",
1699 RC_MAP_IT913X_V1) },
1700 /* XXX: that same ID [0ccd:0099] is used by af9015 driver too */
1701 { DVB_USB_DEVICE(USB_VID_TERRATEC, 0x0099,
1702 &af9035_props, "TerraTec Cinergy T Stick Dual RC (rev. 2)",
1703 NULL) },
1704 { DVB_USB_DEVICE(USB_VID_LEADTEK, 0x6a05,
1705 &af9035_props, "Leadtek WinFast DTV Dongle Dual", NULL) },
1706 { DVB_USB_DEVICE(USB_VID_HAUPPAUGE, 0xf900,
1707 &af9035_props, "Hauppauge WinTV-MiniStick 2", NULL) },
1708 { DVB_USB_DEVICE(USB_VID_PCTV, USB_PID_PCTV_78E,
1709 &af9035_props, "PCTV 78e", RC_MAP_IT913X_V1) },
1710 { DVB_USB_DEVICE(USB_VID_PCTV, USB_PID_PCTV_79E,
1711 &af9035_props, "PCTV 79e", RC_MAP_IT913X_V2) },
1712 { }
1713 };
1714 MODULE_DEVICE_TABLE(usb, af9035_id_table);
1715
1716 static struct usb_driver af9035_usb_driver = {
1717 .name = KBUILD_MODNAME,
1718 .id_table = af9035_id_table,
1719 .probe = af9035_probe,
1720 .disconnect = dvb_usbv2_disconnect,
1721 .suspend = dvb_usbv2_suspend,
1722 .resume = dvb_usbv2_resume,
1723 .reset_resume = dvb_usbv2_reset_resume,
1724 .no_dynamic_id = 1,
1725 .soft_unbind = 1,
1726 };
1727
1728 module_usb_driver(af9035_usb_driver);
1729
1730 MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
1731 MODULE_DESCRIPTION("Afatech AF9035 driver");
1732 MODULE_LICENSE("GPL");
1733 MODULE_FIRMWARE(AF9035_FIRMWARE_AF9035);
1734 MODULE_FIRMWARE(AF9035_FIRMWARE_IT9135_V1);
1735 MODULE_FIRMWARE(AF9035_FIRMWARE_IT9135_V2);
Linux kernel - Deliverables
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