2 * Realtek RTL28xxU DVB USB driver
4 * Copyright (C) 2009 Antti Palosaari <crope@iki.fi>
5 * Copyright (C) 2011 Antti Palosaari <crope@iki.fi>
6 * Copyright (C) 2012 Thomas Mair <thomas.mair86@googlemail.com>
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License along
19 * with this program; if not, write to the Free Software Foundation, Inc.,
20 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
25 static int rtl28xxu_disable_rc;
26 module_param_named(disable_rc, rtl28xxu_disable_rc, int, 0644);
27 MODULE_PARM_DESC(disable_rc, "disable RTL2832U remote controller");
28 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
30 static int rtl28xxu_ctrl_msg(struct dvb_usb_device *d, struct rtl28xxu_req *req)
32 struct rtl28xxu_dev *dev = d->priv;
37 mutex_lock(&d->usb_mutex);
39 if (req->size > sizeof(dev->buf)) {
40 dev_err(&d->intf->dev, "too large message %u\n", req->size);
42 goto err_mutex_unlock;
45 if (req->index & CMD_WR_FLAG) {
47 memcpy(dev->buf, req->data, req->size);
48 requesttype = (USB_TYPE_VENDOR | USB_DIR_OUT);
49 pipe = usb_sndctrlpipe(d->udev, 0);
52 requesttype = (USB_TYPE_VENDOR | USB_DIR_IN);
53 pipe = usb_rcvctrlpipe(d->udev, 0);
56 ret = usb_control_msg(d->udev, pipe, 0, requesttype, req->value,
57 req->index, dev->buf, req->size, 1000);
58 dvb_usb_dbg_usb_control_msg(d->udev, 0, requesttype, req->value,
59 req->index, dev->buf, req->size);
61 goto err_mutex_unlock;
63 /* read request, copy returned data to return buf */
64 if (requesttype == (USB_TYPE_VENDOR | USB_DIR_IN))
65 memcpy(req->data, dev->buf, req->size);
67 mutex_unlock(&d->usb_mutex);
71 mutex_unlock(&d->usb_mutex);
72 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
76 static int rtl28xxu_wr_regs(struct dvb_usb_device *d, u16 reg, u8 *val, int len)
78 struct rtl28xxu_req req;
81 req.index = CMD_USB_WR;
82 else if (reg < 0x4000)
83 req.index = CMD_SYS_WR;
85 req.index = CMD_IR_WR;
91 return rtl28xxu_ctrl_msg(d, &req);
94 static int rtl28xxu_rd_regs(struct dvb_usb_device *d, u16 reg, u8 *val, int len)
96 struct rtl28xxu_req req;
99 req.index = CMD_USB_RD;
100 else if (reg < 0x4000)
101 req.index = CMD_SYS_RD;
103 req.index = CMD_IR_RD;
109 return rtl28xxu_ctrl_msg(d, &req);
112 static int rtl28xxu_wr_reg(struct dvb_usb_device *d, u16 reg, u8 val)
114 return rtl28xxu_wr_regs(d, reg, &val, 1);
117 static int rtl28xxu_rd_reg(struct dvb_usb_device *d, u16 reg, u8 *val)
119 return rtl28xxu_rd_regs(d, reg, val, 1);
122 static int rtl28xxu_wr_reg_mask(struct dvb_usb_device *d, u16 reg, u8 val,
128 /* no need for read if whole reg is written */
130 ret = rtl28xxu_rd_reg(d, reg, &tmp);
139 return rtl28xxu_wr_reg(d, reg, val);
143 static int rtl28xxu_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[],
147 struct dvb_usb_device *d = i2c_get_adapdata(adap);
148 struct rtl28xxu_dev *dev = d->priv;
149 struct rtl28xxu_req req;
152 * It is not known which are real I2C bus xfer limits, but testing
153 * with RTL2831U + MT2060 gives max RD 24 and max WR 22 bytes.
154 * TODO: find out RTL2832U lens
158 * I2C adapter logic looks rather complicated due to fact it handles
159 * three different access methods. Those methods are;
160 * 1) integrated demod access
164 * Used method is selected in order 1, 2, 3. Method 3 can handle all
165 * requests but there is two reasons why not use it always;
166 * 1) It is most expensive, usually two USB messages are needed
167 * 2) At least RTL2831U does not support it
169 * Method 3 is needed in case of I2C write+read (typical register read)
170 * where write is more than one byte.
173 if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
176 if (num == 2 && !(msg[0].flags & I2C_M_RD) &&
177 (msg[1].flags & I2C_M_RD)) {
178 if (msg[0].len > 24 || msg[1].len > 24) {
179 /* TODO: check msg[0].len max */
181 goto err_mutex_unlock;
182 } else if (msg[0].addr == 0x10) {
183 /* method 1 - integrated demod */
184 req.value = (msg[0].buf[0] << 8) | (msg[0].addr << 1);
185 req.index = CMD_DEMOD_RD | dev->page;
186 req.size = msg[1].len;
187 req.data = &msg[1].buf[0];
188 ret = rtl28xxu_ctrl_msg(d, &req);
189 } else if (msg[0].len < 2) {
190 /* method 2 - old I2C */
191 req.value = (msg[0].buf[0] << 8) | (msg[0].addr << 1);
192 req.index = CMD_I2C_RD;
193 req.size = msg[1].len;
194 req.data = &msg[1].buf[0];
195 ret = rtl28xxu_ctrl_msg(d, &req);
197 /* method 3 - new I2C */
198 req.value = (msg[0].addr << 1);
199 req.index = CMD_I2C_DA_WR;
200 req.size = msg[0].len;
201 req.data = msg[0].buf;
202 ret = rtl28xxu_ctrl_msg(d, &req);
204 goto err_mutex_unlock;
206 req.value = (msg[0].addr << 1);
207 req.index = CMD_I2C_DA_RD;
208 req.size = msg[1].len;
209 req.data = msg[1].buf;
210 ret = rtl28xxu_ctrl_msg(d, &req);
212 } else if (num == 1 && !(msg[0].flags & I2C_M_RD)) {
213 if (msg[0].len > 22) {
214 /* TODO: check msg[0].len max */
216 goto err_mutex_unlock;
217 } else if (msg[0].addr == 0x10) {
218 /* method 1 - integrated demod */
219 if (msg[0].buf[0] == 0x00) {
220 /* save demod page for later demod access */
221 dev->page = msg[0].buf[1];
224 req.value = (msg[0].buf[0] << 8) |
226 req.index = CMD_DEMOD_WR | dev->page;
227 req.size = msg[0].len-1;
228 req.data = &msg[0].buf[1];
229 ret = rtl28xxu_ctrl_msg(d, &req);
231 } else if ((msg[0].len < 23) && (!dev->new_i2c_write)) {
232 /* method 2 - old I2C */
233 req.value = (msg[0].buf[0] << 8) | (msg[0].addr << 1);
234 req.index = CMD_I2C_WR;
235 req.size = msg[0].len-1;
236 req.data = &msg[0].buf[1];
237 ret = rtl28xxu_ctrl_msg(d, &req);
239 /* method 3 - new I2C */
240 req.value = (msg[0].addr << 1);
241 req.index = CMD_I2C_DA_WR;
242 req.size = msg[0].len;
243 req.data = msg[0].buf;
244 ret = rtl28xxu_ctrl_msg(d, &req);
246 } else if (num == 1 && (msg[0].flags & I2C_M_RD)) {
247 req.value = (msg[0].addr << 1);
248 req.index = CMD_I2C_DA_RD;
249 req.size = msg[0].len;
250 req.data = msg[0].buf;
251 ret = rtl28xxu_ctrl_msg(d, &req);
257 mutex_unlock(&d->i2c_mutex);
259 return ret ? ret : num;
262 static u32 rtl28xxu_i2c_func(struct i2c_adapter *adapter)
267 static struct i2c_algorithm rtl28xxu_i2c_algo = {
268 .master_xfer = rtl28xxu_i2c_xfer,
269 .functionality = rtl28xxu_i2c_func,
272 static int rtl2831u_read_config(struct dvb_usb_device *d)
274 struct rtl28xxu_dev *dev = d_to_priv(d);
277 /* open RTL2831U/RTL2830 I2C gate */
278 struct rtl28xxu_req req_gate_open = {0x0120, 0x0011, 0x0001, "\x08"};
280 struct rtl28xxu_req req_mt2060 = {0x00c0, CMD_I2C_RD, 1, buf};
281 struct rtl28xxu_req req_qt1010 = {0x0fc4, CMD_I2C_RD, 1, buf};
283 dev_dbg(&d->intf->dev, "\n");
287 * =========================================================
288 * GPIO0 | tuner#0 | 0 off | 1 on | MXL5005S (?)
289 * GPIO2 | LED | 0 off | 1 on |
290 * GPIO4 | tuner#1 | 0 on | 1 off | MT2060
294 ret = rtl28xxu_wr_reg(d, SYS_GPIO_DIR, 0x0a);
298 /* enable as output GPIO0, GPIO2, GPIO4 */
299 ret = rtl28xxu_wr_reg(d, SYS_GPIO_OUT_EN, 0x15);
304 * Probe used tuner. We need to know used tuner before demod attach
305 * since there is some demod params needed to set according to tuner.
308 /* demod needs some time to wake up */
311 dev->tuner_name = "NONE";
313 /* open demod I2C gate */
314 ret = rtl28xxu_ctrl_msg(d, &req_gate_open);
318 /* check QT1010 ID(?) register; reg=0f val=2c */
319 ret = rtl28xxu_ctrl_msg(d, &req_qt1010);
320 if (ret == 0 && buf[0] == 0x2c) {
321 dev->tuner = TUNER_RTL2830_QT1010;
322 dev->tuner_name = "QT1010";
326 /* open demod I2C gate */
327 ret = rtl28xxu_ctrl_msg(d, &req_gate_open);
331 /* check MT2060 ID register; reg=00 val=63 */
332 ret = rtl28xxu_ctrl_msg(d, &req_mt2060);
333 if (ret == 0 && buf[0] == 0x63) {
334 dev->tuner = TUNER_RTL2830_MT2060;
335 dev->tuner_name = "MT2060";
339 /* assume MXL5005S */
340 dev->tuner = TUNER_RTL2830_MXL5005S;
341 dev->tuner_name = "MXL5005S";
345 dev_dbg(&d->intf->dev, "tuner=%s\n", dev->tuner_name);
349 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
353 static int rtl2832u_read_config(struct dvb_usb_device *d)
355 struct rtl28xxu_dev *dev = d_to_priv(d);
358 /* open RTL2832U/RTL2832 I2C gate */
359 struct rtl28xxu_req req_gate_open = {0x0120, 0x0011, 0x0001, "\x18"};
360 /* close RTL2832U/RTL2832 I2C gate */
361 struct rtl28xxu_req req_gate_close = {0x0120, 0x0011, 0x0001, "\x10"};
363 struct rtl28xxu_req req_fc0012 = {0x00c6, CMD_I2C_RD, 1, buf};
364 struct rtl28xxu_req req_fc0013 = {0x00c6, CMD_I2C_RD, 1, buf};
365 struct rtl28xxu_req req_mt2266 = {0x00c0, CMD_I2C_RD, 1, buf};
366 struct rtl28xxu_req req_fc2580 = {0x01ac, CMD_I2C_RD, 1, buf};
367 struct rtl28xxu_req req_mt2063 = {0x00c0, CMD_I2C_RD, 1, buf};
368 struct rtl28xxu_req req_max3543 = {0x00c0, CMD_I2C_RD, 1, buf};
369 struct rtl28xxu_req req_tua9001 = {0x7ec0, CMD_I2C_RD, 2, buf};
370 struct rtl28xxu_req req_mxl5007t = {0xd9c0, CMD_I2C_RD, 1, buf};
371 struct rtl28xxu_req req_e4000 = {0x02c8, CMD_I2C_RD, 1, buf};
372 struct rtl28xxu_req req_tda18272 = {0x00c0, CMD_I2C_RD, 2, buf};
373 struct rtl28xxu_req req_r820t = {0x0034, CMD_I2C_RD, 1, buf};
374 struct rtl28xxu_req req_r828d = {0x0074, CMD_I2C_RD, 1, buf};
375 struct rtl28xxu_req req_mn88472 = {0xff38, CMD_I2C_RD, 1, buf};
376 struct rtl28xxu_req req_mn88473 = {0xff38, CMD_I2C_RD, 1, buf};
377 struct rtl28xxu_req req_si2157 = {0x00c0, CMD_I2C_RD, 1, buf};
378 struct rtl28xxu_req req_si2168 = {0x00c8, CMD_I2C_RD, 1, buf};
380 dev_dbg(&d->intf->dev, "\n");
382 /* enable GPIO3 and GPIO6 as output */
383 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_DIR, 0x00, 0x40);
387 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x48, 0x48);
392 * Probe used tuner. We need to know used tuner before demod attach
393 * since there is some demod params needed to set according to tuner.
396 /* open demod I2C gate */
397 ret = rtl28xxu_ctrl_msg(d, &req_gate_open);
401 dev->tuner_name = "NONE";
403 /* check FC0012 ID register; reg=00 val=a1 */
404 ret = rtl28xxu_ctrl_msg(d, &req_fc0012);
405 if (ret == 0 && buf[0] == 0xa1) {
406 dev->tuner = TUNER_RTL2832_FC0012;
407 dev->tuner_name = "FC0012";
411 /* check FC0013 ID register; reg=00 val=a3 */
412 ret = rtl28xxu_ctrl_msg(d, &req_fc0013);
413 if (ret == 0 && buf[0] == 0xa3) {
414 dev->tuner = TUNER_RTL2832_FC0013;
415 dev->tuner_name = "FC0013";
419 /* check MT2266 ID register; reg=00 val=85 */
420 ret = rtl28xxu_ctrl_msg(d, &req_mt2266);
421 if (ret == 0 && buf[0] == 0x85) {
422 dev->tuner = TUNER_RTL2832_MT2266;
423 dev->tuner_name = "MT2266";
427 /* check FC2580 ID register; reg=01 val=56 */
428 ret = rtl28xxu_ctrl_msg(d, &req_fc2580);
429 if (ret == 0 && buf[0] == 0x56) {
430 dev->tuner = TUNER_RTL2832_FC2580;
431 dev->tuner_name = "FC2580";
435 /* check MT2063 ID register; reg=00 val=9e || 9c */
436 ret = rtl28xxu_ctrl_msg(d, &req_mt2063);
437 if (ret == 0 && (buf[0] == 0x9e || buf[0] == 0x9c)) {
438 dev->tuner = TUNER_RTL2832_MT2063;
439 dev->tuner_name = "MT2063";
443 /* check MAX3543 ID register; reg=00 val=38 */
444 ret = rtl28xxu_ctrl_msg(d, &req_max3543);
445 if (ret == 0 && buf[0] == 0x38) {
446 dev->tuner = TUNER_RTL2832_MAX3543;
447 dev->tuner_name = "MAX3543";
451 /* check TUA9001 ID register; reg=7e val=2328 */
452 ret = rtl28xxu_ctrl_msg(d, &req_tua9001);
453 if (ret == 0 && buf[0] == 0x23 && buf[1] == 0x28) {
454 dev->tuner = TUNER_RTL2832_TUA9001;
455 dev->tuner_name = "TUA9001";
459 /* check MXL5007R ID register; reg=d9 val=14 */
460 ret = rtl28xxu_ctrl_msg(d, &req_mxl5007t);
461 if (ret == 0 && buf[0] == 0x14) {
462 dev->tuner = TUNER_RTL2832_MXL5007T;
463 dev->tuner_name = "MXL5007T";
467 /* check E4000 ID register; reg=02 val=40 */
468 ret = rtl28xxu_ctrl_msg(d, &req_e4000);
469 if (ret == 0 && buf[0] == 0x40) {
470 dev->tuner = TUNER_RTL2832_E4000;
471 dev->tuner_name = "E4000";
475 /* check TDA18272 ID register; reg=00 val=c760 */
476 ret = rtl28xxu_ctrl_msg(d, &req_tda18272);
477 if (ret == 0 && (buf[0] == 0xc7 || buf[1] == 0x60)) {
478 dev->tuner = TUNER_RTL2832_TDA18272;
479 dev->tuner_name = "TDA18272";
483 /* check R820T ID register; reg=00 val=69 */
484 ret = rtl28xxu_ctrl_msg(d, &req_r820t);
485 if (ret == 0 && buf[0] == 0x69) {
486 dev->tuner = TUNER_RTL2832_R820T;
487 dev->tuner_name = "R820T";
491 /* check R828D ID register; reg=00 val=69 */
492 ret = rtl28xxu_ctrl_msg(d, &req_r828d);
493 if (ret == 0 && buf[0] == 0x69) {
494 dev->tuner = TUNER_RTL2832_R828D;
495 dev->tuner_name = "R828D";
499 /* GPIO0 and GPIO5 to reset Si2157/Si2168 tuner and demod */
500 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x00, 0x21);
504 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x00, 0x21);
510 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x21, 0x21);
514 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x21, 0x21);
520 /* check Si2157 ID register; reg=c0 val=80 */
521 ret = rtl28xxu_ctrl_msg(d, &req_si2157);
522 if (ret == 0 && ((buf[0] & 0x80) == 0x80)) {
523 dev->tuner = TUNER_RTL2832_SI2157;
524 dev->tuner_name = "SI2157";
529 dev_dbg(&d->intf->dev, "tuner=%s\n", dev->tuner_name);
531 /* probe slave demod */
532 if (dev->tuner == TUNER_RTL2832_R828D) {
533 /* power on MN88472 demod on GPIO0 */
534 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x01, 0x01);
538 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_DIR, 0x00, 0x01);
542 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x01, 0x01);
546 /* check MN88472 answers */
547 ret = rtl28xxu_ctrl_msg(d, &req_mn88472);
548 if (ret == 0 && buf[0] == 0x02) {
549 dev_dbg(&d->intf->dev, "MN88472 found\n");
550 dev->slave_demod = SLAVE_DEMOD_MN88472;
554 ret = rtl28xxu_ctrl_msg(d, &req_mn88473);
555 if (ret == 0 && buf[0] == 0x03) {
556 dev_dbg(&d->intf->dev, "MN88473 found\n");
557 dev->slave_demod = SLAVE_DEMOD_MN88473;
561 if (dev->tuner == TUNER_RTL2832_SI2157) {
562 /* check Si2168 ID register; reg=c8 val=80 */
563 ret = rtl28xxu_ctrl_msg(d, &req_si2168);
564 if (ret == 0 && ((buf[0] & 0x80) == 0x80)) {
565 dev_dbg(&d->intf->dev, "Si2168 found\n");
566 dev->slave_demod = SLAVE_DEMOD_SI2168;
572 /* close demod I2C gate */
573 ret = rtl28xxu_ctrl_msg(d, &req_gate_close);
579 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
583 static int rtl28xxu_read_config(struct dvb_usb_device *d)
585 struct rtl28xxu_dev *dev = d_to_priv(d);
587 if (dev->chip_id == CHIP_ID_RTL2831U)
588 return rtl2831u_read_config(d);
590 return rtl2832u_read_config(d);
593 static int rtl28xxu_identify_state(struct dvb_usb_device *d, const char **name)
595 struct rtl28xxu_dev *dev = d_to_priv(d);
597 struct rtl28xxu_req req_demod_i2c = {0x0020, CMD_I2C_DA_RD, 0, NULL};
599 dev_dbg(&d->intf->dev, "\n");
602 * Detect chip type using I2C command that is not supported
605 ret = rtl28xxu_ctrl_msg(d, &req_demod_i2c);
607 dev->chip_id = CHIP_ID_RTL2831U;
608 } else if (ret == 0) {
609 dev->chip_id = CHIP_ID_RTL2832U;
611 dev_err(&d->intf->dev, "chip type detection failed %d\n", ret);
614 dev_dbg(&d->intf->dev, "chip_id=%u\n", dev->chip_id);
618 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
622 static const struct rtl2830_platform_data rtl2830_mt2060_platform_data = {
627 .agc_targ_val = 0x2d,
631 static const struct rtl2830_platform_data rtl2830_qt1010_platform_data = {
636 .agc_targ_val = 0x2d,
639 static const struct rtl2830_platform_data rtl2830_mxl5005s_platform_data = {
644 .agc_targ_val = 0x3e,
647 static int rtl2831u_frontend_attach(struct dvb_usb_adapter *adap)
649 struct dvb_usb_device *d = adap_to_d(adap);
650 struct rtl28xxu_dev *dev = d_to_priv(d);
651 struct rtl2830_platform_data *pdata = &dev->rtl2830_platform_data;
652 struct i2c_board_info board_info;
653 struct i2c_client *client;
656 dev_dbg(&d->intf->dev, "\n");
658 switch (dev->tuner) {
659 case TUNER_RTL2830_QT1010:
660 *pdata = rtl2830_qt1010_platform_data;
662 case TUNER_RTL2830_MT2060:
663 *pdata = rtl2830_mt2060_platform_data;
665 case TUNER_RTL2830_MXL5005S:
666 *pdata = rtl2830_mxl5005s_platform_data;
669 dev_err(&d->intf->dev, "unknown tuner %s\n", dev->tuner_name);
674 /* attach demodulator */
675 memset(&board_info, 0, sizeof(board_info));
676 strlcpy(board_info.type, "rtl2830", I2C_NAME_SIZE);
677 board_info.addr = 0x10;
678 board_info.platform_data = pdata;
679 request_module("%s", board_info.type);
680 client = i2c_new_device(&d->i2c_adap, &board_info);
681 if (client == NULL || client->dev.driver == NULL) {
686 if (!try_module_get(client->dev.driver->owner)) {
687 i2c_unregister_device(client);
692 adap->fe[0] = pdata->get_dvb_frontend(client);
693 dev->demod_i2c_adapter = pdata->get_i2c_adapter(client);
695 dev->i2c_client_demod = client;
699 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
703 static const struct rtl2832_platform_data rtl2832_fc2580_platform_data = {
705 .tuner = TUNER_RTL2832_FC2580,
708 static const struct rtl2832_platform_data rtl2832_fc0012_platform_data = {
710 .tuner = TUNER_RTL2832_FC0012
713 static const struct rtl2832_platform_data rtl2832_fc0013_platform_data = {
715 .tuner = TUNER_RTL2832_FC0013
718 static const struct rtl2832_platform_data rtl2832_tua9001_platform_data = {
720 .tuner = TUNER_RTL2832_TUA9001,
723 static const struct rtl2832_platform_data rtl2832_e4000_platform_data = {
725 .tuner = TUNER_RTL2832_E4000,
728 static const struct rtl2832_platform_data rtl2832_r820t_platform_data = {
730 .tuner = TUNER_RTL2832_R820T,
733 static const struct rtl2832_platform_data rtl2832_si2157_platform_data = {
735 .tuner = TUNER_RTL2832_SI2157,
738 static int rtl2832u_fc0012_tuner_callback(struct dvb_usb_device *d,
744 dev_dbg(&d->intf->dev, "cmd=%d arg=%d\n", cmd, arg);
747 case FC_FE_CALLBACK_VHF_ENABLE:
748 /* set output values */
749 ret = rtl28xxu_rd_reg(d, SYS_GPIO_OUT_VAL, &val);
754 val &= 0xbf; /* set GPIO6 low */
756 val |= 0x40; /* set GPIO6 high */
759 ret = rtl28xxu_wr_reg(d, SYS_GPIO_OUT_VAL, val);
769 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
773 static int rtl2832u_tua9001_tuner_callback(struct dvb_usb_device *d,
779 dev_dbg(&d->intf->dev, "cmd=%d arg=%d\n", cmd, arg);
782 * CEN always enabled by hardware wiring
788 case TUA9001_CMD_RESETN:
794 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, val, 0x10);
798 case TUA9001_CMD_RXEN:
804 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, val, 0x02);
812 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
816 static int rtl2832u_frontend_callback(void *adapter_priv, int component,
819 struct i2c_adapter *adapter = adapter_priv;
820 struct device *parent = adapter->dev.parent;
821 struct i2c_adapter *parent_adapter;
822 struct dvb_usb_device *d;
823 struct rtl28xxu_dev *dev;
826 * All tuners are connected to demod muxed I2C adapter. We have to
827 * resolve its parent adapter in order to get handle for this driver
828 * private data. That is a bit hackish solution, GPIO or direct driver
829 * callback would be better...
831 if (parent != NULL && parent->type == &i2c_adapter_type)
832 parent_adapter = to_i2c_adapter(parent);
836 d = i2c_get_adapdata(parent_adapter);
839 dev_dbg(&d->intf->dev, "component=%d cmd=%d arg=%d\n",
840 component, cmd, arg);
843 case DVB_FRONTEND_COMPONENT_TUNER:
844 switch (dev->tuner) {
845 case TUNER_RTL2832_FC0012:
846 return rtl2832u_fc0012_tuner_callback(d, cmd, arg);
847 case TUNER_RTL2832_TUA9001:
848 return rtl2832u_tua9001_tuner_callback(d, cmd, arg);
855 static int rtl2832u_frontend_attach(struct dvb_usb_adapter *adap)
857 struct dvb_usb_device *d = adap_to_d(adap);
858 struct rtl28xxu_dev *dev = d_to_priv(d);
859 struct rtl2832_platform_data *pdata = &dev->rtl2832_platform_data;
860 struct i2c_board_info board_info;
861 struct i2c_client *client;
864 dev_dbg(&d->intf->dev, "\n");
866 switch (dev->tuner) {
867 case TUNER_RTL2832_FC0012:
868 *pdata = rtl2832_fc0012_platform_data;
870 case TUNER_RTL2832_FC0013:
871 *pdata = rtl2832_fc0013_platform_data;
873 case TUNER_RTL2832_FC2580:
874 *pdata = rtl2832_fc2580_platform_data;
876 case TUNER_RTL2832_TUA9001:
877 *pdata = rtl2832_tua9001_platform_data;
879 case TUNER_RTL2832_E4000:
880 *pdata = rtl2832_e4000_platform_data;
882 case TUNER_RTL2832_R820T:
883 case TUNER_RTL2832_R828D:
884 *pdata = rtl2832_r820t_platform_data;
886 case TUNER_RTL2832_SI2157:
887 *pdata = rtl2832_si2157_platform_data;
890 dev_err(&d->intf->dev, "unknown tuner %s\n", dev->tuner_name);
895 /* attach demodulator */
896 memset(&board_info, 0, sizeof(board_info));
897 strlcpy(board_info.type, "rtl2832", I2C_NAME_SIZE);
898 board_info.addr = 0x10;
899 board_info.platform_data = pdata;
900 request_module("%s", board_info.type);
901 client = i2c_new_device(&d->i2c_adap, &board_info);
902 if (client == NULL || client->dev.driver == NULL) {
907 if (!try_module_get(client->dev.driver->owner)) {
908 i2c_unregister_device(client);
913 adap->fe[0] = pdata->get_dvb_frontend(client);
914 dev->demod_i2c_adapter = pdata->get_i2c_adapter(client);
916 dev->i2c_client_demod = client;
918 /* set fe callback */
919 adap->fe[0]->callback = rtl2832u_frontend_callback;
921 if (dev->slave_demod) {
922 struct i2c_board_info info = {};
925 * We continue on reduced mode, without DVB-T2/C, using master
926 * demod, when slave demod fails.
930 /* attach slave demodulator */
931 if (dev->slave_demod == SLAVE_DEMOD_MN88472) {
932 struct mn88472_config mn88472_config = {};
934 mn88472_config.fe = &adap->fe[1];
935 mn88472_config.i2c_wr_max = 22,
936 strlcpy(info.type, "mn88472", I2C_NAME_SIZE);
937 mn88472_config.xtal = 20500000;
938 mn88472_config.ts_mode = SERIAL_TS_MODE;
939 mn88472_config.ts_clock = VARIABLE_TS_CLOCK;
941 info.platform_data = &mn88472_config;
942 request_module(info.type);
943 client = i2c_new_device(&d->i2c_adap, &info);
944 if (client == NULL || client->dev.driver == NULL) {
945 dev->slave_demod = SLAVE_DEMOD_NONE;
946 goto err_slave_demod_failed;
949 if (!try_module_get(client->dev.driver->owner)) {
950 i2c_unregister_device(client);
951 dev->slave_demod = SLAVE_DEMOD_NONE;
952 goto err_slave_demod_failed;
955 dev->i2c_client_slave_demod = client;
956 } else if (dev->slave_demod == SLAVE_DEMOD_MN88473) {
957 struct mn88473_config mn88473_config = {};
959 mn88473_config.fe = &adap->fe[1];
960 mn88473_config.i2c_wr_max = 22,
961 strlcpy(info.type, "mn88473", I2C_NAME_SIZE);
963 info.platform_data = &mn88473_config;
964 request_module(info.type);
965 client = i2c_new_device(&d->i2c_adap, &info);
966 if (client == NULL || client->dev.driver == NULL) {
967 dev->slave_demod = SLAVE_DEMOD_NONE;
968 goto err_slave_demod_failed;
971 if (!try_module_get(client->dev.driver->owner)) {
972 i2c_unregister_device(client);
973 dev->slave_demod = SLAVE_DEMOD_NONE;
974 goto err_slave_demod_failed;
977 dev->i2c_client_slave_demod = client;
979 struct si2168_config si2168_config = {};
980 struct i2c_adapter *adapter;
982 si2168_config.i2c_adapter = &adapter;
983 si2168_config.fe = &adap->fe[1];
984 si2168_config.ts_mode = SI2168_TS_SERIAL;
985 si2168_config.ts_clock_inv = false;
986 si2168_config.ts_clock_gapped = true;
987 strlcpy(info.type, "si2168", I2C_NAME_SIZE);
989 info.platform_data = &si2168_config;
990 request_module(info.type);
991 client = i2c_new_device(&d->i2c_adap, &info);
992 if (client == NULL || client->dev.driver == NULL) {
993 dev->slave_demod = SLAVE_DEMOD_NONE;
994 goto err_slave_demod_failed;
997 if (!try_module_get(client->dev.driver->owner)) {
998 i2c_unregister_device(client);
999 dev->slave_demod = SLAVE_DEMOD_NONE;
1000 goto err_slave_demod_failed;
1003 dev->i2c_client_slave_demod = client;
1005 /* for Si2168 devices use only new I2C write method */
1006 dev->new_i2c_write = true;
1010 err_slave_demod_failed:
1012 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1016 static int rtl28xxu_frontend_attach(struct dvb_usb_adapter *adap)
1018 struct rtl28xxu_dev *dev = adap_to_priv(adap);
1020 if (dev->chip_id == CHIP_ID_RTL2831U)
1021 return rtl2831u_frontend_attach(adap);
1023 return rtl2832u_frontend_attach(adap);
1026 static int rtl28xxu_frontend_detach(struct dvb_usb_adapter *adap)
1028 struct dvb_usb_device *d = adap_to_d(adap);
1029 struct rtl28xxu_dev *dev = d_to_priv(d);
1030 struct i2c_client *client;
1032 dev_dbg(&d->intf->dev, "\n");
1034 /* remove I2C slave demod */
1035 client = dev->i2c_client_slave_demod;
1037 module_put(client->dev.driver->owner);
1038 i2c_unregister_device(client);
1041 /* remove I2C demod */
1042 client = dev->i2c_client_demod;
1044 module_put(client->dev.driver->owner);
1045 i2c_unregister_device(client);
1051 static struct qt1010_config rtl28xxu_qt1010_config = {
1052 .i2c_address = 0x62, /* 0xc4 */
1055 static struct mt2060_config rtl28xxu_mt2060_config = {
1056 .i2c_address = 0x60, /* 0xc0 */
1060 static struct mxl5005s_config rtl28xxu_mxl5005s_config = {
1061 .i2c_address = 0x63, /* 0xc6 */
1062 .if_freq = IF_FREQ_4570000HZ,
1063 .xtal_freq = CRYSTAL_FREQ_16000000HZ,
1064 .agc_mode = MXL_SINGLE_AGC,
1065 .tracking_filter = MXL_TF_C_H,
1066 .rssi_enable = MXL_RSSI_ENABLE,
1067 .cap_select = MXL_CAP_SEL_ENABLE,
1068 .div_out = MXL_DIV_OUT_4,
1069 .clock_out = MXL_CLOCK_OUT_DISABLE,
1070 .output_load = MXL5005S_IF_OUTPUT_LOAD_200_OHM,
1071 .top = MXL5005S_TOP_25P2,
1072 .mod_mode = MXL_DIGITAL_MODE,
1073 .if_mode = MXL_ZERO_IF,
1074 .AgcMasterByte = 0x00,
1077 static int rtl2831u_tuner_attach(struct dvb_usb_adapter *adap)
1080 struct dvb_usb_device *d = adap_to_d(adap);
1081 struct rtl28xxu_dev *dev = d_to_priv(d);
1082 struct dvb_frontend *fe;
1084 dev_dbg(&d->intf->dev, "\n");
1086 switch (dev->tuner) {
1087 case TUNER_RTL2830_QT1010:
1088 fe = dvb_attach(qt1010_attach, adap->fe[0],
1089 dev->demod_i2c_adapter,
1090 &rtl28xxu_qt1010_config);
1092 case TUNER_RTL2830_MT2060:
1093 fe = dvb_attach(mt2060_attach, adap->fe[0],
1094 dev->demod_i2c_adapter,
1095 &rtl28xxu_mt2060_config, 1220);
1097 case TUNER_RTL2830_MXL5005S:
1098 fe = dvb_attach(mxl5005s_attach, adap->fe[0],
1099 dev->demod_i2c_adapter,
1100 &rtl28xxu_mxl5005s_config);
1104 dev_err(&d->intf->dev, "unknown tuner %d\n", dev->tuner);
1114 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1118 static const struct fc0012_config rtl2832u_fc0012_config = {
1119 .i2c_address = 0x63, /* 0xc6 >> 1 */
1120 .xtal_freq = FC_XTAL_28_8_MHZ,
1123 static const struct r820t_config rtl2832u_r820t_config = {
1126 .max_i2c_msg_len = 2,
1127 .rafael_chip = CHIP_R820T,
1130 static const struct r820t_config rtl2832u_r828d_config = {
1133 .max_i2c_msg_len = 2,
1134 .rafael_chip = CHIP_R828D,
1137 static int rtl2832u_tuner_attach(struct dvb_usb_adapter *adap)
1140 struct dvb_usb_device *d = adap_to_d(adap);
1141 struct rtl28xxu_dev *dev = d_to_priv(d);
1142 struct dvb_frontend *fe = NULL;
1143 struct i2c_board_info info;
1144 struct i2c_client *client;
1145 struct v4l2_subdev *subdev = NULL;
1146 struct platform_device *pdev;
1147 struct rtl2832_sdr_platform_data pdata;
1149 dev_dbg(&d->intf->dev, "\n");
1151 memset(&info, 0, sizeof(struct i2c_board_info));
1152 memset(&pdata, 0, sizeof(pdata));
1154 switch (dev->tuner) {
1155 case TUNER_RTL2832_FC0012:
1156 fe = dvb_attach(fc0012_attach, adap->fe[0],
1157 dev->demod_i2c_adapter, &rtl2832u_fc0012_config);
1159 /* since fc0012 includs reading the signal strength delegate
1160 * that to the tuner driver */
1161 adap->fe[0]->ops.read_signal_strength =
1162 adap->fe[0]->ops.tuner_ops.get_rf_strength;
1164 case TUNER_RTL2832_FC0013:
1165 fe = dvb_attach(fc0013_attach, adap->fe[0],
1166 dev->demod_i2c_adapter, 0xc6>>1, 0, FC_XTAL_28_8_MHZ);
1168 /* fc0013 also supports signal strength reading */
1169 adap->fe[0]->ops.read_signal_strength =
1170 adap->fe[0]->ops.tuner_ops.get_rf_strength;
1172 case TUNER_RTL2832_E4000: {
1173 struct e4000_config e4000_config = {
1178 strlcpy(info.type, "e4000", I2C_NAME_SIZE);
1180 info.platform_data = &e4000_config;
1182 request_module(info.type);
1183 client = i2c_new_device(dev->demod_i2c_adapter, &info);
1184 if (client == NULL || client->dev.driver == NULL)
1187 if (!try_module_get(client->dev.driver->owner)) {
1188 i2c_unregister_device(client);
1192 dev->i2c_client_tuner = client;
1193 subdev = i2c_get_clientdata(client);
1196 case TUNER_RTL2832_FC2580: {
1197 struct fc2580_platform_data fc2580_pdata = {
1198 .dvb_frontend = adap->fe[0],
1200 struct i2c_board_info board_info = {};
1202 strlcpy(board_info.type, "fc2580", I2C_NAME_SIZE);
1203 board_info.addr = 0x56;
1204 board_info.platform_data = &fc2580_pdata;
1205 request_module("fc2580");
1206 client = i2c_new_device(dev->demod_i2c_adapter,
1208 if (client == NULL || client->dev.driver == NULL)
1210 if (!try_module_get(client->dev.driver->owner)) {
1211 i2c_unregister_device(client);
1214 dev->i2c_client_tuner = client;
1215 subdev = fc2580_pdata.get_v4l2_subdev(client);
1218 case TUNER_RTL2832_TUA9001: {
1219 struct tua9001_platform_data tua9001_pdata = {
1220 .dvb_frontend = adap->fe[0],
1222 struct i2c_board_info board_info = {};
1224 /* enable GPIO1 and GPIO4 as output */
1225 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_DIR, 0x00, 0x12);
1229 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x12, 0x12);
1233 strlcpy(board_info.type, "tua9001", I2C_NAME_SIZE);
1234 board_info.addr = 0x60;
1235 board_info.platform_data = &tua9001_pdata;
1236 request_module("tua9001");
1237 client = i2c_new_device(dev->demod_i2c_adapter, &board_info);
1238 if (client == NULL || client->dev.driver == NULL)
1240 if (!try_module_get(client->dev.driver->owner)) {
1241 i2c_unregister_device(client);
1244 dev->i2c_client_tuner = client;
1247 case TUNER_RTL2832_R820T:
1248 fe = dvb_attach(r820t_attach, adap->fe[0],
1249 dev->demod_i2c_adapter,
1250 &rtl2832u_r820t_config);
1252 /* Use tuner to get the signal strength */
1253 adap->fe[0]->ops.read_signal_strength =
1254 adap->fe[0]->ops.tuner_ops.get_rf_strength;
1256 case TUNER_RTL2832_R828D:
1257 fe = dvb_attach(r820t_attach, adap->fe[0],
1258 dev->demod_i2c_adapter,
1259 &rtl2832u_r828d_config);
1260 adap->fe[0]->ops.read_signal_strength =
1261 adap->fe[0]->ops.tuner_ops.get_rf_strength;
1264 fe = dvb_attach(r820t_attach, adap->fe[1],
1265 dev->demod_i2c_adapter,
1266 &rtl2832u_r828d_config);
1267 adap->fe[1]->ops.read_signal_strength =
1268 adap->fe[1]->ops.tuner_ops.get_rf_strength;
1271 case TUNER_RTL2832_SI2157: {
1272 struct si2157_config si2157_config = {
1278 strlcpy(info.type, "si2157", I2C_NAME_SIZE);
1280 info.platform_data = &si2157_config;
1281 request_module(info.type);
1282 client = i2c_new_device(&d->i2c_adap, &info);
1283 if (client == NULL || client->dev.driver == NULL)
1286 if (!try_module_get(client->dev.driver->owner)) {
1287 i2c_unregister_device(client);
1291 dev->i2c_client_tuner = client;
1292 subdev = i2c_get_clientdata(client);
1294 /* copy tuner ops for 2nd FE as tuner is shared */
1296 adap->fe[1]->tuner_priv =
1297 adap->fe[0]->tuner_priv;
1298 memcpy(&adap->fe[1]->ops.tuner_ops,
1299 &adap->fe[0]->ops.tuner_ops,
1300 sizeof(struct dvb_tuner_ops));
1305 dev_err(&d->intf->dev, "unknown tuner %d\n", dev->tuner);
1307 if (fe == NULL && dev->i2c_client_tuner == NULL) {
1313 switch (dev->tuner) {
1314 case TUNER_RTL2832_FC2580:
1315 case TUNER_RTL2832_FC0012:
1316 case TUNER_RTL2832_FC0013:
1317 case TUNER_RTL2832_E4000:
1318 case TUNER_RTL2832_R820T:
1319 case TUNER_RTL2832_R828D:
1320 pdata.clk = dev->rtl2832_platform_data.clk;
1321 pdata.tuner = dev->tuner;
1322 pdata.i2c_client = dev->i2c_client_demod;
1323 pdata.bulk_read = dev->rtl2832_platform_data.bulk_read;
1324 pdata.bulk_write = dev->rtl2832_platform_data.bulk_write;
1325 pdata.update_bits = dev->rtl2832_platform_data.update_bits;
1326 pdata.dvb_frontend = adap->fe[0];
1327 pdata.dvb_usb_device = d;
1328 pdata.v4l2_subdev = subdev;
1330 request_module("%s", "rtl2832_sdr");
1331 pdev = platform_device_register_data(&d->intf->dev,
1333 PLATFORM_DEVID_AUTO,
1334 &pdata, sizeof(pdata));
1335 if (IS_ERR(pdev) || pdev->dev.driver == NULL)
1337 dev->platform_device_sdr = pdev;
1340 dev_dbg(&d->intf->dev, "no SDR for tuner=%d\n", dev->tuner);
1345 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1349 static int rtl28xxu_tuner_attach(struct dvb_usb_adapter *adap)
1351 struct rtl28xxu_dev *dev = adap_to_priv(adap);
1353 if (dev->chip_id == CHIP_ID_RTL2831U)
1354 return rtl2831u_tuner_attach(adap);
1356 return rtl2832u_tuner_attach(adap);
1359 static int rtl28xxu_tuner_detach(struct dvb_usb_adapter *adap)
1361 struct dvb_usb_device *d = adap_to_d(adap);
1362 struct rtl28xxu_dev *dev = d_to_priv(d);
1363 struct i2c_client *client;
1364 struct platform_device *pdev;
1366 dev_dbg(&d->intf->dev, "\n");
1368 /* remove platform SDR */
1369 pdev = dev->platform_device_sdr;
1371 platform_device_unregister(pdev);
1373 /* remove I2C tuner */
1374 client = dev->i2c_client_tuner;
1376 module_put(client->dev.driver->owner);
1377 i2c_unregister_device(client);
1383 static int rtl28xxu_init(struct dvb_usb_device *d)
1388 dev_dbg(&d->intf->dev, "\n");
1390 /* init USB endpoints */
1391 ret = rtl28xxu_rd_reg(d, USB_SYSCTL_0, &val);
1395 /* enable DMA and Full Packet Mode*/
1397 ret = rtl28xxu_wr_reg(d, USB_SYSCTL_0, val);
1401 /* set EPA maximum packet size to 0x0200 */
1402 ret = rtl28xxu_wr_regs(d, USB_EPA_MAXPKT, "\x00\x02\x00\x00", 4);
1406 /* change EPA FIFO length */
1407 ret = rtl28xxu_wr_regs(d, USB_EPA_FIFO_CFG, "\x14\x00\x00\x00", 4);
1413 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1417 static int rtl2831u_power_ctrl(struct dvb_usb_device *d, int onoff)
1420 u8 gpio, sys0, epa_ctl[2];
1422 dev_dbg(&d->intf->dev, "onoff=%d\n", onoff);
1425 ret = rtl28xxu_rd_reg(d, SYS_SYS0, &sys0);
1429 /* tuner power, read GPIOs */
1430 ret = rtl28xxu_rd_reg(d, SYS_GPIO_OUT_VAL, &gpio);
1434 dev_dbg(&d->intf->dev, "RD SYS0=%02x GPIO_OUT_VAL=%02x\n", sys0, gpio);
1437 gpio |= 0x01; /* GPIO0 = 1 */
1438 gpio &= (~0x10); /* GPIO4 = 0 */
1439 gpio |= 0x04; /* GPIO2 = 1, LED on */
1442 epa_ctl[0] = 0x00; /* clear stall */
1443 epa_ctl[1] = 0x00; /* clear reset */
1445 gpio &= (~0x01); /* GPIO0 = 0 */
1446 gpio |= 0x10; /* GPIO4 = 1 */
1447 gpio &= (~0x04); /* GPIO2 = 1, LED off */
1448 sys0 = sys0 & (~0xc0);
1449 epa_ctl[0] = 0x10; /* set stall */
1450 epa_ctl[1] = 0x02; /* set reset */
1453 dev_dbg(&d->intf->dev, "WR SYS0=%02x GPIO_OUT_VAL=%02x\n", sys0, gpio);
1456 ret = rtl28xxu_wr_reg(d, SYS_SYS0, sys0);
1460 /* tuner power, write GPIOs */
1461 ret = rtl28xxu_wr_reg(d, SYS_GPIO_OUT_VAL, gpio);
1465 /* streaming EP: stall & reset */
1466 ret = rtl28xxu_wr_regs(d, USB_EPA_CTL, epa_ctl, 2);
1471 usb_clear_halt(d->udev, usb_rcvbulkpipe(d->udev, 0x81));
1475 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1479 static int rtl2832u_power_ctrl(struct dvb_usb_device *d, int onoff)
1483 dev_dbg(&d->intf->dev, "onoff=%d\n", onoff);
1486 /* GPIO3=1, GPIO4=0 */
1487 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x08, 0x18);
1492 ret = rtl28xxu_wr_reg_mask(d, SYS_DEMOD_CTL1, 0x00, 0x10);
1497 ret = rtl28xxu_wr_reg_mask(d, SYS_DEMOD_CTL, 0x80, 0x80);
1502 ret = rtl28xxu_wr_reg_mask(d, SYS_DEMOD_CTL, 0x20, 0x20);
1506 /* streaming EP: clear stall & reset */
1507 ret = rtl28xxu_wr_regs(d, USB_EPA_CTL, "\x00\x00", 2);
1511 ret = usb_clear_halt(d->udev, usb_rcvbulkpipe(d->udev, 0x81));
1516 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x10, 0x10);
1521 ret = rtl28xxu_wr_reg_mask(d, SYS_DEMOD_CTL, 0x00, 0x80);
1525 /* streaming EP: set stall & reset */
1526 ret = rtl28xxu_wr_regs(d, USB_EPA_CTL, "\x10\x02", 2);
1533 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1537 static int rtl28xxu_power_ctrl(struct dvb_usb_device *d, int onoff)
1539 struct rtl28xxu_dev *dev = d_to_priv(d);
1541 if (dev->chip_id == CHIP_ID_RTL2831U)
1542 return rtl2831u_power_ctrl(d, onoff);
1544 return rtl2832u_power_ctrl(d, onoff);
1547 static int rtl28xxu_frontend_ctrl(struct dvb_frontend *fe, int onoff)
1549 struct dvb_usb_device *d = fe_to_d(fe);
1550 struct rtl28xxu_dev *dev = fe_to_priv(fe);
1551 struct rtl2832_platform_data *pdata = &dev->rtl2832_platform_data;
1555 dev_dbg(&d->intf->dev, "fe=%d onoff=%d\n", fe->id, onoff);
1557 if (dev->chip_id == CHIP_ID_RTL2831U)
1560 /* control internal demod ADC */
1561 if (fe->id == 0 && onoff)
1562 val = 0x48; /* enable ADC */
1564 val = 0x00; /* disable ADC */
1566 ret = rtl28xxu_wr_reg_mask(d, SYS_DEMOD_CTL, val, 0x48);
1570 /* bypass slave demod TS through master demod */
1571 if (fe->id == 1 && onoff) {
1572 ret = pdata->enable_slave_ts(dev->i2c_client_demod);
1579 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1583 #if IS_ENABLED(CONFIG_RC_CORE)
1584 static int rtl2831u_rc_query(struct dvb_usb_device *d)
1587 struct rtl28xxu_dev *dev = d->priv;
1590 struct rtl28xxu_reg_val rc_nec_tab[] = {
1607 /* init remote controller */
1608 if (!dev->rc_active) {
1609 for (i = 0; i < ARRAY_SIZE(rc_nec_tab); i++) {
1610 ret = rtl28xxu_wr_reg(d, rc_nec_tab[i].reg,
1615 dev->rc_active = true;
1618 ret = rtl28xxu_rd_regs(d, SYS_IRRC_RP, buf, 5);
1622 if (buf[4] & 0x01) {
1623 if (buf[2] == (u8) ~buf[3]) {
1624 if (buf[0] == (u8) ~buf[1]) {
1625 /* NEC standard (16 bit) */
1626 rc_code = RC_SCANCODE_NEC(buf[0], buf[2]);
1628 /* NEC extended (24 bit) */
1629 rc_code = RC_SCANCODE_NECX(buf[0] << 8 | buf[1],
1633 /* NEC full (32 bit) */
1634 rc_code = RC_SCANCODE_NEC32(buf[0] << 24 | buf[1] << 16 |
1635 buf[2] << 8 | buf[3]);
1638 rc_keydown(d->rc_dev, RC_TYPE_NEC, rc_code, 0);
1640 ret = rtl28xxu_wr_reg(d, SYS_IRRC_SR, 1);
1644 /* repeated intentionally to avoid extra keypress */
1645 ret = rtl28xxu_wr_reg(d, SYS_IRRC_SR, 1);
1652 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1656 static int rtl2831u_get_rc_config(struct dvb_usb_device *d,
1657 struct dvb_usb_rc *rc)
1659 rc->map_name = RC_MAP_EMPTY;
1660 rc->allowed_protos = RC_BIT_NEC;
1661 rc->query = rtl2831u_rc_query;
1667 static int rtl2832u_rc_query(struct dvb_usb_device *d)
1670 struct rtl28xxu_dev *dev = d->priv;
1671 struct ir_raw_event ev;
1673 static const struct rtl28xxu_reg_val_mask refresh_tab[] = {
1674 {IR_RX_IF, 0x03, 0xff},
1675 {IR_RX_BUF_CTRL, 0x80, 0xff},
1676 {IR_RX_CTRL, 0x80, 0xff},
1679 /* init remote controller */
1680 if (!dev->rc_active) {
1681 static const struct rtl28xxu_reg_val_mask init_tab[] = {
1682 {SYS_DEMOD_CTL1, 0x00, 0x04},
1683 {SYS_DEMOD_CTL1, 0x00, 0x08},
1684 {USB_CTRL, 0x20, 0x20},
1685 {SYS_GPIO_DIR, 0x00, 0x08},
1686 {SYS_GPIO_OUT_EN, 0x08, 0x08},
1687 {SYS_GPIO_OUT_VAL, 0x08, 0x08},
1688 {IR_MAX_DURATION0, 0xd0, 0xff},
1689 {IR_MAX_DURATION1, 0x07, 0xff},
1690 {IR_IDLE_LEN0, 0xc0, 0xff},
1691 {IR_IDLE_LEN1, 0x00, 0xff},
1692 {IR_GLITCH_LEN, 0x03, 0xff},
1693 {IR_RX_CLK, 0x09, 0xff},
1694 {IR_RX_CFG, 0x1c, 0xff},
1695 {IR_MAX_H_TOL_LEN, 0x1e, 0xff},
1696 {IR_MAX_L_TOL_LEN, 0x1e, 0xff},
1697 {IR_RX_CTRL, 0x80, 0xff},
1700 for (i = 0; i < ARRAY_SIZE(init_tab); i++) {
1701 ret = rtl28xxu_wr_reg_mask(d, init_tab[i].reg,
1702 init_tab[i].val, init_tab[i].mask);
1707 dev->rc_active = true;
1710 ret = rtl28xxu_rd_reg(d, IR_RX_IF, &buf[0]);
1717 ret = rtl28xxu_rd_reg(d, IR_RX_BC, &buf[0]);
1723 /* read raw code from hw */
1724 ret = rtl28xxu_rd_regs(d, IR_RX_BUF, buf, len);
1728 /* let hw receive new code */
1729 for (i = 0; i < ARRAY_SIZE(refresh_tab); i++) {
1730 ret = rtl28xxu_wr_reg_mask(d, refresh_tab[i].reg,
1731 refresh_tab[i].val, refresh_tab[i].mask);
1736 /* pass data to Kernel IR decoder */
1737 init_ir_raw_event(&ev);
1739 for (i = 0; i < len; i++) {
1740 ev.pulse = buf[i] >> 7;
1741 ev.duration = 50800 * (buf[i] & 0x7f);
1742 ir_raw_event_store_with_filter(d->rc_dev, &ev);
1745 /* 'flush' ir_raw_event_store_with_filter() */
1746 ir_raw_event_set_idle(d->rc_dev, true);
1747 ir_raw_event_handle(d->rc_dev);
1751 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1755 static int rtl2832u_get_rc_config(struct dvb_usb_device *d,
1756 struct dvb_usb_rc *rc)
1758 /* disable IR interrupts in order to avoid SDR sample loss */
1759 if (rtl28xxu_disable_rc)
1760 return rtl28xxu_wr_reg(d, IR_RX_IE, 0x00);
1762 /* load empty to enable rc */
1764 rc->map_name = RC_MAP_EMPTY;
1765 rc->allowed_protos = RC_BIT_ALL;
1766 rc->driver_type = RC_DRIVER_IR_RAW;
1767 rc->query = rtl2832u_rc_query;
1773 static int rtl28xxu_get_rc_config(struct dvb_usb_device *d,
1774 struct dvb_usb_rc *rc)
1776 struct rtl28xxu_dev *dev = d_to_priv(d);
1778 if (dev->chip_id == CHIP_ID_RTL2831U)
1779 return rtl2831u_get_rc_config(d, rc);
1781 return rtl2832u_get_rc_config(d, rc);
1784 #define rtl28xxu_get_rc_config NULL
1787 static int rtl28xxu_pid_filter_ctrl(struct dvb_usb_adapter *adap, int onoff)
1789 struct rtl28xxu_dev *dev = adap_to_priv(adap);
1791 if (dev->chip_id == CHIP_ID_RTL2831U) {
1792 struct rtl2830_platform_data *pdata = &dev->rtl2830_platform_data;
1794 return pdata->pid_filter_ctrl(adap->fe[0], onoff);
1796 struct rtl2832_platform_data *pdata = &dev->rtl2832_platform_data;
1798 return pdata->pid_filter_ctrl(adap->fe[0], onoff);
1802 static int rtl28xxu_pid_filter(struct dvb_usb_adapter *adap, int index,
1805 struct rtl28xxu_dev *dev = adap_to_priv(adap);
1807 if (dev->chip_id == CHIP_ID_RTL2831U) {
1808 struct rtl2830_platform_data *pdata = &dev->rtl2830_platform_data;
1810 return pdata->pid_filter(adap->fe[0], index, pid, onoff);
1812 struct rtl2832_platform_data *pdata = &dev->rtl2832_platform_data;
1814 return pdata->pid_filter(adap->fe[0], index, pid, onoff);
1818 static const struct dvb_usb_device_properties rtl28xxu_props = {
1819 .driver_name = KBUILD_MODNAME,
1820 .owner = THIS_MODULE,
1821 .adapter_nr = adapter_nr,
1822 .size_of_priv = sizeof(struct rtl28xxu_dev),
1824 .identify_state = rtl28xxu_identify_state,
1825 .power_ctrl = rtl28xxu_power_ctrl,
1826 .frontend_ctrl = rtl28xxu_frontend_ctrl,
1827 .i2c_algo = &rtl28xxu_i2c_algo,
1828 .read_config = rtl28xxu_read_config,
1829 .frontend_attach = rtl28xxu_frontend_attach,
1830 .frontend_detach = rtl28xxu_frontend_detach,
1831 .tuner_attach = rtl28xxu_tuner_attach,
1832 .tuner_detach = rtl28xxu_tuner_detach,
1833 .init = rtl28xxu_init,
1834 .get_rc_config = rtl28xxu_get_rc_config,
1839 .caps = DVB_USB_ADAP_HAS_PID_FILTER |
1840 DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
1842 .pid_filter_count = 32,
1843 .pid_filter_ctrl = rtl28xxu_pid_filter_ctrl,
1844 .pid_filter = rtl28xxu_pid_filter,
1846 .stream = DVB_USB_STREAM_BULK(0x81, 6, 8 * 512),
1851 static const struct usb_device_id rtl28xxu_id_table[] = {
1852 /* RTL2831U devices: */
1853 { DVB_USB_DEVICE(USB_VID_REALTEK, USB_PID_REALTEK_RTL2831U,
1854 &rtl28xxu_props, "Realtek RTL2831U reference design", NULL) },
1855 { DVB_USB_DEVICE(USB_VID_WIDEVIEW, USB_PID_FREECOM_DVBT,
1856 &rtl28xxu_props, "Freecom USB2.0 DVB-T", NULL) },
1857 { DVB_USB_DEVICE(USB_VID_WIDEVIEW, USB_PID_FREECOM_DVBT_2,
1858 &rtl28xxu_props, "Freecom USB2.0 DVB-T", NULL) },
1860 /* RTL2832U devices: */
1861 { DVB_USB_DEVICE(USB_VID_REALTEK, 0x2832,
1862 &rtl28xxu_props, "Realtek RTL2832U reference design", NULL) },
1863 { DVB_USB_DEVICE(USB_VID_REALTEK, 0x2838,
1864 &rtl28xxu_props, "Realtek RTL2832U reference design", NULL) },
1865 { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_CINERGY_T_STICK_BLACK_REV1,
1866 &rtl28xxu_props, "TerraTec Cinergy T Stick Black", RC_MAP_TERRATEC_SLIM) },
1867 { DVB_USB_DEVICE(USB_VID_GTEK, USB_PID_DELOCK_USB2_DVBT,
1868 &rtl28xxu_props, "G-Tek Electronics Group Lifeview LV5TDLX DVB-T", NULL) },
1869 { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_NOXON_DAB_STICK,
1870 &rtl28xxu_props, "TerraTec NOXON DAB Stick", NULL) },
1871 { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_NOXON_DAB_STICK_REV2,
1872 &rtl28xxu_props, "TerraTec NOXON DAB Stick (rev 2)", NULL) },
1873 { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_NOXON_DAB_STICK_REV3,
1874 &rtl28xxu_props, "TerraTec NOXON DAB Stick (rev 3)", NULL) },
1875 { DVB_USB_DEVICE(USB_VID_GTEK, USB_PID_TREKSTOR_TERRES_2_0,
1876 &rtl28xxu_props, "Trekstor DVB-T Stick Terres 2.0", NULL) },
1877 { DVB_USB_DEVICE(USB_VID_DEXATEK, 0x1101,
1878 &rtl28xxu_props, "Dexatek DK DVB-T Dongle", NULL) },
1879 { DVB_USB_DEVICE(USB_VID_LEADTEK, 0x6680,
1880 &rtl28xxu_props, "DigitalNow Quad DVB-T Receiver", NULL) },
1881 { DVB_USB_DEVICE(USB_VID_LEADTEK, USB_PID_WINFAST_DTV_DONGLE_MINID,
1882 &rtl28xxu_props, "Leadtek Winfast DTV Dongle Mini D", NULL) },
1883 { DVB_USB_DEVICE(USB_VID_LEADTEK, USB_PID_WINFAST_DTV2000DS_PLUS,
1884 &rtl28xxu_props, "Leadtek WinFast DTV2000DS Plus", RC_MAP_LEADTEK_Y04G0051) },
1885 { DVB_USB_DEVICE(USB_VID_TERRATEC, 0x00d3,
1886 &rtl28xxu_props, "TerraTec Cinergy T Stick RC (Rev. 3)", NULL) },
1887 { DVB_USB_DEVICE(USB_VID_DEXATEK, 0x1102,
1888 &rtl28xxu_props, "Dexatek DK mini DVB-T Dongle", NULL) },
1889 { DVB_USB_DEVICE(USB_VID_TERRATEC, 0x00d7,
1890 &rtl28xxu_props, "TerraTec Cinergy T Stick+", NULL) },
1891 { DVB_USB_DEVICE(USB_VID_KWORLD_2, 0xd3a8,
1892 &rtl28xxu_props, "ASUS My Cinema-U3100Mini Plus V2", NULL) },
1893 { DVB_USB_DEVICE(USB_VID_KWORLD_2, 0xd393,
1894 &rtl28xxu_props, "GIGABYTE U7300", NULL) },
1895 { DVB_USB_DEVICE(USB_VID_DEXATEK, 0x1104,
1896 &rtl28xxu_props, "MSI DIGIVOX Micro HD", NULL) },
1897 { DVB_USB_DEVICE(USB_VID_COMPRO, 0x0620,
1898 &rtl28xxu_props, "Compro VideoMate U620F", NULL) },
1899 { DVB_USB_DEVICE(USB_VID_KWORLD_2, 0xd394,
1900 &rtl28xxu_props, "MaxMedia HU394-T", NULL) },
1901 { DVB_USB_DEVICE(USB_VID_LEADTEK, 0x6a03,
1902 &rtl28xxu_props, "Leadtek WinFast DTV Dongle mini", NULL) },
1903 { DVB_USB_DEVICE(USB_VID_GTEK, USB_PID_CPYTO_REDI_PC50A,
1904 &rtl28xxu_props, "Crypto ReDi PC 50 A", NULL) },
1905 { DVB_USB_DEVICE(USB_VID_KYE, 0x707f,
1906 &rtl28xxu_props, "Genius TVGo DVB-T03", NULL) },
1907 { DVB_USB_DEVICE(USB_VID_KWORLD_2, 0xd395,
1908 &rtl28xxu_props, "Peak DVB-T USB", NULL) },
1909 { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_SVEON_STV20_RTL2832U,
1910 &rtl28xxu_props, "Sveon STV20", NULL) },
1911 { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_SVEON_STV21,
1912 &rtl28xxu_props, "Sveon STV21", NULL) },
1913 { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_SVEON_STV27,
1914 &rtl28xxu_props, "Sveon STV27", NULL) },
1915 { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_TURBOX_DTT_2000,
1916 &rtl28xxu_props, "TURBO-X Pure TV Tuner DTT-2000", NULL) },
1918 /* RTL2832P devices: */
1919 { DVB_USB_DEVICE(USB_VID_HANFTEK, 0x0131,
1920 &rtl28xxu_props, "Astrometa DVB-T2", NULL) },
1921 { DVB_USB_DEVICE(0x5654, 0xca42,
1922 &rtl28xxu_props, "GoTView MasterHD 3", NULL) },
1925 MODULE_DEVICE_TABLE(usb, rtl28xxu_id_table);
1927 static struct usb_driver rtl28xxu_usb_driver = {
1928 .name = KBUILD_MODNAME,
1929 .id_table = rtl28xxu_id_table,
1930 .probe = dvb_usbv2_probe,
1931 .disconnect = dvb_usbv2_disconnect,
1932 .suspend = dvb_usbv2_suspend,
1933 .resume = dvb_usbv2_resume,
1934 .reset_resume = dvb_usbv2_reset_resume,
1939 module_usb_driver(rtl28xxu_usb_driver);
1941 MODULE_DESCRIPTION("Realtek RTL28xxU DVB USB driver");
1942 MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
1943 MODULE_AUTHOR("Thomas Mair <thomas.mair86@googlemail.com>");
1944 MODULE_LICENSE("GPL");