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 if (msg[0].buf[0] == 0x00) {
185 /* return demod page from driver cache */
186 msg[1].buf[0] = dev->page;
189 req.value = (msg[0].buf[0] << 8) | (msg[0].addr << 1);
190 req.index = CMD_DEMOD_RD | dev->page;
191 req.size = msg[1].len;
192 req.data = &msg[1].buf[0];
193 ret = rtl28xxu_ctrl_msg(d, &req);
195 } else if (msg[0].len < 2) {
196 /* method 2 - old I2C */
197 req.value = (msg[0].buf[0] << 8) | (msg[0].addr << 1);
198 req.index = CMD_I2C_RD;
199 req.size = msg[1].len;
200 req.data = &msg[1].buf[0];
201 ret = rtl28xxu_ctrl_msg(d, &req);
203 /* method 3 - new I2C */
204 req.value = (msg[0].addr << 1);
205 req.index = CMD_I2C_DA_WR;
206 req.size = msg[0].len;
207 req.data = msg[0].buf;
208 ret = rtl28xxu_ctrl_msg(d, &req);
210 goto err_mutex_unlock;
212 req.value = (msg[0].addr << 1);
213 req.index = CMD_I2C_DA_RD;
214 req.size = msg[1].len;
215 req.data = msg[1].buf;
216 ret = rtl28xxu_ctrl_msg(d, &req);
218 } else if (num == 1 && !(msg[0].flags & I2C_M_RD)) {
219 if (msg[0].len > 22) {
220 /* TODO: check msg[0].len max */
222 goto err_mutex_unlock;
223 } else if (msg[0].addr == 0x10) {
224 /* method 1 - integrated demod */
225 if (msg[0].buf[0] == 0x00) {
226 /* save demod page for later demod access */
227 dev->page = msg[0].buf[1];
230 req.value = (msg[0].buf[0] << 8) |
232 req.index = CMD_DEMOD_WR | dev->page;
233 req.size = msg[0].len-1;
234 req.data = &msg[0].buf[1];
235 ret = rtl28xxu_ctrl_msg(d, &req);
237 } else if ((msg[0].len < 23) && (!dev->new_i2c_write)) {
238 /* method 2 - old I2C */
239 req.value = (msg[0].buf[0] << 8) | (msg[0].addr << 1);
240 req.index = CMD_I2C_WR;
241 req.size = msg[0].len-1;
242 req.data = &msg[0].buf[1];
243 ret = rtl28xxu_ctrl_msg(d, &req);
245 /* method 3 - new I2C */
246 req.value = (msg[0].addr << 1);
247 req.index = CMD_I2C_DA_WR;
248 req.size = msg[0].len;
249 req.data = msg[0].buf;
250 ret = rtl28xxu_ctrl_msg(d, &req);
252 } else if (num == 1 && (msg[0].flags & I2C_M_RD)) {
253 req.value = (msg[0].addr << 1);
254 req.index = CMD_I2C_DA_RD;
255 req.size = msg[0].len;
256 req.data = msg[0].buf;
257 ret = rtl28xxu_ctrl_msg(d, &req);
262 /* Retry failed I2C messages */
267 mutex_unlock(&d->i2c_mutex);
269 return ret ? ret : num;
272 static u32 rtl28xxu_i2c_func(struct i2c_adapter *adapter)
277 static struct i2c_algorithm rtl28xxu_i2c_algo = {
278 .master_xfer = rtl28xxu_i2c_xfer,
279 .functionality = rtl28xxu_i2c_func,
282 static int rtl2831u_read_config(struct dvb_usb_device *d)
284 struct rtl28xxu_dev *dev = d_to_priv(d);
287 /* open RTL2831U/RTL2830 I2C gate */
288 struct rtl28xxu_req req_gate_open = {0x0120, 0x0011, 0x0001, "\x08"};
290 struct rtl28xxu_req req_mt2060 = {0x00c0, CMD_I2C_RD, 1, buf};
291 struct rtl28xxu_req req_qt1010 = {0x0fc4, CMD_I2C_RD, 1, buf};
293 dev_dbg(&d->intf->dev, "\n");
297 * =========================================================
298 * GPIO0 | tuner#0 | 0 off | 1 on | MXL5005S (?)
299 * GPIO2 | LED | 0 off | 1 on |
300 * GPIO4 | tuner#1 | 0 on | 1 off | MT2060
304 ret = rtl28xxu_wr_reg(d, SYS_GPIO_DIR, 0x0a);
308 /* enable as output GPIO0, GPIO2, GPIO4 */
309 ret = rtl28xxu_wr_reg(d, SYS_GPIO_OUT_EN, 0x15);
314 * Probe used tuner. We need to know used tuner before demod attach
315 * since there is some demod params needed to set according to tuner.
318 /* demod needs some time to wake up */
321 dev->tuner_name = "NONE";
323 /* open demod I2C gate */
324 ret = rtl28xxu_ctrl_msg(d, &req_gate_open);
328 /* check QT1010 ID(?) register; reg=0f val=2c */
329 ret = rtl28xxu_ctrl_msg(d, &req_qt1010);
330 if (ret == 0 && buf[0] == 0x2c) {
331 dev->tuner = TUNER_RTL2830_QT1010;
332 dev->tuner_name = "QT1010";
336 /* open demod I2C gate */
337 ret = rtl28xxu_ctrl_msg(d, &req_gate_open);
341 /* check MT2060 ID register; reg=00 val=63 */
342 ret = rtl28xxu_ctrl_msg(d, &req_mt2060);
343 if (ret == 0 && buf[0] == 0x63) {
344 dev->tuner = TUNER_RTL2830_MT2060;
345 dev->tuner_name = "MT2060";
349 /* assume MXL5005S */
350 dev->tuner = TUNER_RTL2830_MXL5005S;
351 dev->tuner_name = "MXL5005S";
355 dev_dbg(&d->intf->dev, "tuner=%s\n", dev->tuner_name);
359 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
363 static int rtl2832u_read_config(struct dvb_usb_device *d)
365 struct rtl28xxu_dev *dev = d_to_priv(d);
368 /* open RTL2832U/RTL2832 I2C gate */
369 struct rtl28xxu_req req_gate_open = {0x0120, 0x0011, 0x0001, "\x18"};
370 /* close RTL2832U/RTL2832 I2C gate */
371 struct rtl28xxu_req req_gate_close = {0x0120, 0x0011, 0x0001, "\x10"};
373 struct rtl28xxu_req req_fc0012 = {0x00c6, CMD_I2C_RD, 1, buf};
374 struct rtl28xxu_req req_fc0013 = {0x00c6, CMD_I2C_RD, 1, buf};
375 struct rtl28xxu_req req_mt2266 = {0x00c0, CMD_I2C_RD, 1, buf};
376 struct rtl28xxu_req req_fc2580 = {0x01ac, CMD_I2C_RD, 1, buf};
377 struct rtl28xxu_req req_mt2063 = {0x00c0, CMD_I2C_RD, 1, buf};
378 struct rtl28xxu_req req_max3543 = {0x00c0, CMD_I2C_RD, 1, buf};
379 struct rtl28xxu_req req_tua9001 = {0x7ec0, CMD_I2C_RD, 2, buf};
380 struct rtl28xxu_req req_mxl5007t = {0xd9c0, CMD_I2C_RD, 1, buf};
381 struct rtl28xxu_req req_e4000 = {0x02c8, CMD_I2C_RD, 1, buf};
382 struct rtl28xxu_req req_tda18272 = {0x00c0, CMD_I2C_RD, 2, buf};
383 struct rtl28xxu_req req_r820t = {0x0034, CMD_I2C_RD, 1, buf};
384 struct rtl28xxu_req req_r828d = {0x0074, CMD_I2C_RD, 1, buf};
385 struct rtl28xxu_req req_mn88472 = {0xff38, CMD_I2C_RD, 1, buf};
386 struct rtl28xxu_req req_mn88473 = {0xff38, CMD_I2C_RD, 1, buf};
387 struct rtl28xxu_req req_si2157 = {0x00c0, CMD_I2C_RD, 1, buf};
388 struct rtl28xxu_req req_si2168 = {0x00c8, CMD_I2C_RD, 1, buf};
390 dev_dbg(&d->intf->dev, "\n");
392 /* enable GPIO3 and GPIO6 as output */
393 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_DIR, 0x00, 0x40);
397 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x48, 0x48);
402 * Probe used tuner. We need to know used tuner before demod attach
403 * since there is some demod params needed to set according to tuner.
406 /* open demod I2C gate */
407 ret = rtl28xxu_ctrl_msg(d, &req_gate_open);
411 dev->tuner_name = "NONE";
413 /* check FC0012 ID register; reg=00 val=a1 */
414 ret = rtl28xxu_ctrl_msg(d, &req_fc0012);
415 if (ret == 0 && buf[0] == 0xa1) {
416 dev->tuner = TUNER_RTL2832_FC0012;
417 dev->tuner_name = "FC0012";
421 /* check FC0013 ID register; reg=00 val=a3 */
422 ret = rtl28xxu_ctrl_msg(d, &req_fc0013);
423 if (ret == 0 && buf[0] == 0xa3) {
424 dev->tuner = TUNER_RTL2832_FC0013;
425 dev->tuner_name = "FC0013";
429 /* check MT2266 ID register; reg=00 val=85 */
430 ret = rtl28xxu_ctrl_msg(d, &req_mt2266);
431 if (ret == 0 && buf[0] == 0x85) {
432 dev->tuner = TUNER_RTL2832_MT2266;
433 dev->tuner_name = "MT2266";
437 /* check FC2580 ID register; reg=01 val=56 */
438 ret = rtl28xxu_ctrl_msg(d, &req_fc2580);
439 if (ret == 0 && buf[0] == 0x56) {
440 dev->tuner = TUNER_RTL2832_FC2580;
441 dev->tuner_name = "FC2580";
445 /* check MT2063 ID register; reg=00 val=9e || 9c */
446 ret = rtl28xxu_ctrl_msg(d, &req_mt2063);
447 if (ret == 0 && (buf[0] == 0x9e || buf[0] == 0x9c)) {
448 dev->tuner = TUNER_RTL2832_MT2063;
449 dev->tuner_name = "MT2063";
453 /* check MAX3543 ID register; reg=00 val=38 */
454 ret = rtl28xxu_ctrl_msg(d, &req_max3543);
455 if (ret == 0 && buf[0] == 0x38) {
456 dev->tuner = TUNER_RTL2832_MAX3543;
457 dev->tuner_name = "MAX3543";
461 /* check TUA9001 ID register; reg=7e val=2328 */
462 ret = rtl28xxu_ctrl_msg(d, &req_tua9001);
463 if (ret == 0 && buf[0] == 0x23 && buf[1] == 0x28) {
464 dev->tuner = TUNER_RTL2832_TUA9001;
465 dev->tuner_name = "TUA9001";
469 /* check MXL5007R ID register; reg=d9 val=14 */
470 ret = rtl28xxu_ctrl_msg(d, &req_mxl5007t);
471 if (ret == 0 && buf[0] == 0x14) {
472 dev->tuner = TUNER_RTL2832_MXL5007T;
473 dev->tuner_name = "MXL5007T";
477 /* check E4000 ID register; reg=02 val=40 */
478 ret = rtl28xxu_ctrl_msg(d, &req_e4000);
479 if (ret == 0 && buf[0] == 0x40) {
480 dev->tuner = TUNER_RTL2832_E4000;
481 dev->tuner_name = "E4000";
485 /* check TDA18272 ID register; reg=00 val=c760 */
486 ret = rtl28xxu_ctrl_msg(d, &req_tda18272);
487 if (ret == 0 && (buf[0] == 0xc7 || buf[1] == 0x60)) {
488 dev->tuner = TUNER_RTL2832_TDA18272;
489 dev->tuner_name = "TDA18272";
493 /* check R820T ID register; reg=00 val=69 */
494 ret = rtl28xxu_ctrl_msg(d, &req_r820t);
495 if (ret == 0 && buf[0] == 0x69) {
496 dev->tuner = TUNER_RTL2832_R820T;
497 dev->tuner_name = "R820T";
501 /* check R828D ID register; reg=00 val=69 */
502 ret = rtl28xxu_ctrl_msg(d, &req_r828d);
503 if (ret == 0 && buf[0] == 0x69) {
504 dev->tuner = TUNER_RTL2832_R828D;
505 dev->tuner_name = "R828D";
509 /* GPIO0 and GPIO5 to reset Si2157/Si2168 tuner and demod */
510 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x00, 0x21);
514 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x00, 0x21);
520 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x21, 0x21);
524 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x21, 0x21);
530 /* check Si2157 ID register; reg=c0 val=80 */
531 ret = rtl28xxu_ctrl_msg(d, &req_si2157);
532 if (ret == 0 && ((buf[0] & 0x80) == 0x80)) {
533 dev->tuner = TUNER_RTL2832_SI2157;
534 dev->tuner_name = "SI2157";
539 dev_dbg(&d->intf->dev, "tuner=%s\n", dev->tuner_name);
541 /* probe slave demod */
542 if (dev->tuner == TUNER_RTL2832_R828D) {
543 /* power on MN88472 demod on GPIO0 */
544 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x01, 0x01);
548 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_DIR, 0x00, 0x01);
552 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x01, 0x01);
556 /* check MN88472 answers */
557 ret = rtl28xxu_ctrl_msg(d, &req_mn88472);
558 if (ret == 0 && buf[0] == 0x02) {
559 dev_dbg(&d->intf->dev, "MN88472 found\n");
560 dev->slave_demod = SLAVE_DEMOD_MN88472;
564 ret = rtl28xxu_ctrl_msg(d, &req_mn88473);
565 if (ret == 0 && buf[0] == 0x03) {
566 dev_dbg(&d->intf->dev, "MN88473 found\n");
567 dev->slave_demod = SLAVE_DEMOD_MN88473;
571 if (dev->tuner == TUNER_RTL2832_SI2157) {
572 /* check Si2168 ID register; reg=c8 val=80 */
573 ret = rtl28xxu_ctrl_msg(d, &req_si2168);
574 if (ret == 0 && ((buf[0] & 0x80) == 0x80)) {
575 dev_dbg(&d->intf->dev, "Si2168 found\n");
576 dev->slave_demod = SLAVE_DEMOD_SI2168;
582 /* close demod I2C gate */
583 ret = rtl28xxu_ctrl_msg(d, &req_gate_close);
589 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
593 static int rtl28xxu_read_config(struct dvb_usb_device *d)
595 struct rtl28xxu_dev *dev = d_to_priv(d);
597 if (dev->chip_id == CHIP_ID_RTL2831U)
598 return rtl2831u_read_config(d);
600 return rtl2832u_read_config(d);
603 static int rtl28xxu_identify_state(struct dvb_usb_device *d, const char **name)
605 struct rtl28xxu_dev *dev = d_to_priv(d);
607 struct rtl28xxu_req req_demod_i2c = {0x0020, CMD_I2C_DA_RD, 0, NULL};
609 dev_dbg(&d->intf->dev, "\n");
612 * Detect chip type using I2C command that is not supported
615 ret = rtl28xxu_ctrl_msg(d, &req_demod_i2c);
617 dev->chip_id = CHIP_ID_RTL2831U;
618 } else if (ret == 0) {
619 dev->chip_id = CHIP_ID_RTL2832U;
621 dev_err(&d->intf->dev, "chip type detection failed %d\n", ret);
624 dev_dbg(&d->intf->dev, "chip_id=%u\n", dev->chip_id);
626 /* Retry failed I2C messages */
627 d->i2c_adap.retries = 1;
628 d->i2c_adap.timeout = msecs_to_jiffies(10);
632 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
636 static const struct rtl2830_platform_data rtl2830_mt2060_platform_data = {
641 .agc_targ_val = 0x2d,
645 static const struct rtl2830_platform_data rtl2830_qt1010_platform_data = {
650 .agc_targ_val = 0x2d,
653 static const struct rtl2830_platform_data rtl2830_mxl5005s_platform_data = {
658 .agc_targ_val = 0x3e,
661 static int rtl2831u_frontend_attach(struct dvb_usb_adapter *adap)
663 struct dvb_usb_device *d = adap_to_d(adap);
664 struct rtl28xxu_dev *dev = d_to_priv(d);
665 struct rtl2830_platform_data *pdata = &dev->rtl2830_platform_data;
666 struct i2c_board_info board_info;
667 struct i2c_client *client;
670 dev_dbg(&d->intf->dev, "\n");
672 switch (dev->tuner) {
673 case TUNER_RTL2830_QT1010:
674 *pdata = rtl2830_qt1010_platform_data;
676 case TUNER_RTL2830_MT2060:
677 *pdata = rtl2830_mt2060_platform_data;
679 case TUNER_RTL2830_MXL5005S:
680 *pdata = rtl2830_mxl5005s_platform_data;
683 dev_err(&d->intf->dev, "unknown tuner %s\n", dev->tuner_name);
688 /* attach demodulator */
689 memset(&board_info, 0, sizeof(board_info));
690 strlcpy(board_info.type, "rtl2830", I2C_NAME_SIZE);
691 board_info.addr = 0x10;
692 board_info.platform_data = pdata;
693 request_module("%s", board_info.type);
694 client = i2c_new_device(&d->i2c_adap, &board_info);
695 if (client == NULL || client->dev.driver == NULL) {
700 if (!try_module_get(client->dev.driver->owner)) {
701 i2c_unregister_device(client);
706 adap->fe[0] = pdata->get_dvb_frontend(client);
707 dev->demod_i2c_adapter = pdata->get_i2c_adapter(client);
709 dev->i2c_client_demod = client;
713 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
717 static const struct rtl2832_platform_data rtl2832_fc2580_platform_data = {
719 .tuner = TUNER_RTL2832_FC2580,
722 static const struct rtl2832_platform_data rtl2832_fc0012_platform_data = {
724 .tuner = TUNER_RTL2832_FC0012
727 static const struct rtl2832_platform_data rtl2832_fc0013_platform_data = {
729 .tuner = TUNER_RTL2832_FC0013
732 static const struct rtl2832_platform_data rtl2832_tua9001_platform_data = {
734 .tuner = TUNER_RTL2832_TUA9001,
737 static const struct rtl2832_platform_data rtl2832_e4000_platform_data = {
739 .tuner = TUNER_RTL2832_E4000,
742 static const struct rtl2832_platform_data rtl2832_r820t_platform_data = {
744 .tuner = TUNER_RTL2832_R820T,
747 static const struct rtl2832_platform_data rtl2832_si2157_platform_data = {
749 .tuner = TUNER_RTL2832_SI2157,
752 static int rtl2832u_fc0012_tuner_callback(struct dvb_usb_device *d,
758 dev_dbg(&d->intf->dev, "cmd=%d arg=%d\n", cmd, arg);
761 case FC_FE_CALLBACK_VHF_ENABLE:
762 /* set output values */
763 ret = rtl28xxu_rd_reg(d, SYS_GPIO_OUT_VAL, &val);
768 val &= 0xbf; /* set GPIO6 low */
770 val |= 0x40; /* set GPIO6 high */
773 ret = rtl28xxu_wr_reg(d, SYS_GPIO_OUT_VAL, val);
783 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
787 static int rtl2832u_tua9001_tuner_callback(struct dvb_usb_device *d,
793 dev_dbg(&d->intf->dev, "cmd=%d arg=%d\n", cmd, arg);
796 * CEN always enabled by hardware wiring
802 case TUA9001_CMD_RESETN:
808 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, val, 0x10);
812 case TUA9001_CMD_RXEN:
818 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, val, 0x02);
826 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
830 static int rtl2832u_frontend_callback(void *adapter_priv, int component,
833 struct i2c_adapter *adapter = adapter_priv;
834 struct device *parent = adapter->dev.parent;
835 struct i2c_adapter *parent_adapter;
836 struct dvb_usb_device *d;
837 struct rtl28xxu_dev *dev;
840 * All tuners are connected to demod muxed I2C adapter. We have to
841 * resolve its parent adapter in order to get handle for this driver
842 * private data. That is a bit hackish solution, GPIO or direct driver
843 * callback would be better...
845 if (parent != NULL && parent->type == &i2c_adapter_type)
846 parent_adapter = to_i2c_adapter(parent);
850 d = i2c_get_adapdata(parent_adapter);
853 dev_dbg(&d->intf->dev, "component=%d cmd=%d arg=%d\n",
854 component, cmd, arg);
857 case DVB_FRONTEND_COMPONENT_TUNER:
858 switch (dev->tuner) {
859 case TUNER_RTL2832_FC0012:
860 return rtl2832u_fc0012_tuner_callback(d, cmd, arg);
861 case TUNER_RTL2832_TUA9001:
862 return rtl2832u_tua9001_tuner_callback(d, cmd, arg);
869 static int rtl2832u_frontend_attach(struct dvb_usb_adapter *adap)
871 struct dvb_usb_device *d = adap_to_d(adap);
872 struct rtl28xxu_dev *dev = d_to_priv(d);
873 struct rtl2832_platform_data *pdata = &dev->rtl2832_platform_data;
874 struct i2c_board_info board_info;
875 struct i2c_client *client;
878 dev_dbg(&d->intf->dev, "\n");
880 switch (dev->tuner) {
881 case TUNER_RTL2832_FC0012:
882 *pdata = rtl2832_fc0012_platform_data;
884 case TUNER_RTL2832_FC0013:
885 *pdata = rtl2832_fc0013_platform_data;
887 case TUNER_RTL2832_FC2580:
888 *pdata = rtl2832_fc2580_platform_data;
890 case TUNER_RTL2832_TUA9001:
891 *pdata = rtl2832_tua9001_platform_data;
893 case TUNER_RTL2832_E4000:
894 *pdata = rtl2832_e4000_platform_data;
896 case TUNER_RTL2832_R820T:
897 case TUNER_RTL2832_R828D:
898 *pdata = rtl2832_r820t_platform_data;
900 case TUNER_RTL2832_SI2157:
901 *pdata = rtl2832_si2157_platform_data;
904 dev_err(&d->intf->dev, "unknown tuner %s\n", dev->tuner_name);
909 /* attach demodulator */
910 memset(&board_info, 0, sizeof(board_info));
911 strlcpy(board_info.type, "rtl2832", I2C_NAME_SIZE);
912 board_info.addr = 0x10;
913 board_info.platform_data = pdata;
914 request_module("%s", board_info.type);
915 client = i2c_new_device(&d->i2c_adap, &board_info);
916 if (client == NULL || client->dev.driver == NULL) {
921 if (!try_module_get(client->dev.driver->owner)) {
922 i2c_unregister_device(client);
927 adap->fe[0] = pdata->get_dvb_frontend(client);
928 dev->demod_i2c_adapter = pdata->get_i2c_adapter(client);
930 dev->i2c_client_demod = client;
932 /* set fe callback */
933 adap->fe[0]->callback = rtl2832u_frontend_callback;
935 if (dev->slave_demod) {
936 struct i2c_board_info info = {};
939 * We continue on reduced mode, without DVB-T2/C, using master
940 * demod, when slave demod fails.
944 /* attach slave demodulator */
945 if (dev->slave_demod == SLAVE_DEMOD_MN88472) {
946 struct mn88472_config mn88472_config = {};
948 mn88472_config.fe = &adap->fe[1];
949 mn88472_config.i2c_wr_max = 22,
950 strlcpy(info.type, "mn88472", I2C_NAME_SIZE);
951 mn88472_config.xtal = 20500000;
952 mn88472_config.ts_mode = SERIAL_TS_MODE;
953 mn88472_config.ts_clock = VARIABLE_TS_CLOCK;
955 info.platform_data = &mn88472_config;
956 request_module(info.type);
957 client = i2c_new_device(&d->i2c_adap, &info);
958 if (client == NULL || client->dev.driver == NULL) {
959 dev->slave_demod = SLAVE_DEMOD_NONE;
960 goto err_slave_demod_failed;
963 if (!try_module_get(client->dev.driver->owner)) {
964 i2c_unregister_device(client);
965 dev->slave_demod = SLAVE_DEMOD_NONE;
966 goto err_slave_demod_failed;
969 dev->i2c_client_slave_demod = client;
970 } else if (dev->slave_demod == SLAVE_DEMOD_MN88473) {
971 struct mn88473_config mn88473_config = {};
973 mn88473_config.fe = &adap->fe[1];
974 mn88473_config.i2c_wr_max = 22,
975 strlcpy(info.type, "mn88473", I2C_NAME_SIZE);
977 info.platform_data = &mn88473_config;
978 request_module(info.type);
979 client = i2c_new_device(&d->i2c_adap, &info);
980 if (client == NULL || client->dev.driver == NULL) {
981 dev->slave_demod = SLAVE_DEMOD_NONE;
982 goto err_slave_demod_failed;
985 if (!try_module_get(client->dev.driver->owner)) {
986 i2c_unregister_device(client);
987 dev->slave_demod = SLAVE_DEMOD_NONE;
988 goto err_slave_demod_failed;
991 dev->i2c_client_slave_demod = client;
993 struct si2168_config si2168_config = {};
994 struct i2c_adapter *adapter;
996 si2168_config.i2c_adapter = &adapter;
997 si2168_config.fe = &adap->fe[1];
998 si2168_config.ts_mode = SI2168_TS_SERIAL;
999 si2168_config.ts_clock_inv = false;
1000 si2168_config.ts_clock_gapped = true;
1001 strlcpy(info.type, "si2168", I2C_NAME_SIZE);
1003 info.platform_data = &si2168_config;
1004 request_module(info.type);
1005 client = i2c_new_device(&d->i2c_adap, &info);
1006 if (client == NULL || client->dev.driver == NULL) {
1007 dev->slave_demod = SLAVE_DEMOD_NONE;
1008 goto err_slave_demod_failed;
1011 if (!try_module_get(client->dev.driver->owner)) {
1012 i2c_unregister_device(client);
1013 dev->slave_demod = SLAVE_DEMOD_NONE;
1014 goto err_slave_demod_failed;
1017 dev->i2c_client_slave_demod = client;
1019 /* for Si2168 devices use only new I2C write method */
1020 dev->new_i2c_write = true;
1024 err_slave_demod_failed:
1026 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1030 static int rtl28xxu_frontend_attach(struct dvb_usb_adapter *adap)
1032 struct rtl28xxu_dev *dev = adap_to_priv(adap);
1034 if (dev->chip_id == CHIP_ID_RTL2831U)
1035 return rtl2831u_frontend_attach(adap);
1037 return rtl2832u_frontend_attach(adap);
1040 static int rtl28xxu_frontend_detach(struct dvb_usb_adapter *adap)
1042 struct dvb_usb_device *d = adap_to_d(adap);
1043 struct rtl28xxu_dev *dev = d_to_priv(d);
1044 struct i2c_client *client;
1046 dev_dbg(&d->intf->dev, "\n");
1048 /* remove I2C slave demod */
1049 client = dev->i2c_client_slave_demod;
1051 module_put(client->dev.driver->owner);
1052 i2c_unregister_device(client);
1055 /* remove I2C demod */
1056 client = dev->i2c_client_demod;
1058 module_put(client->dev.driver->owner);
1059 i2c_unregister_device(client);
1065 static struct qt1010_config rtl28xxu_qt1010_config = {
1066 .i2c_address = 0x62, /* 0xc4 */
1069 static struct mt2060_config rtl28xxu_mt2060_config = {
1070 .i2c_address = 0x60, /* 0xc0 */
1074 static struct mxl5005s_config rtl28xxu_mxl5005s_config = {
1075 .i2c_address = 0x63, /* 0xc6 */
1076 .if_freq = IF_FREQ_4570000HZ,
1077 .xtal_freq = CRYSTAL_FREQ_16000000HZ,
1078 .agc_mode = MXL_SINGLE_AGC,
1079 .tracking_filter = MXL_TF_C_H,
1080 .rssi_enable = MXL_RSSI_ENABLE,
1081 .cap_select = MXL_CAP_SEL_ENABLE,
1082 .div_out = MXL_DIV_OUT_4,
1083 .clock_out = MXL_CLOCK_OUT_DISABLE,
1084 .output_load = MXL5005S_IF_OUTPUT_LOAD_200_OHM,
1085 .top = MXL5005S_TOP_25P2,
1086 .mod_mode = MXL_DIGITAL_MODE,
1087 .if_mode = MXL_ZERO_IF,
1088 .AgcMasterByte = 0x00,
1091 static int rtl2831u_tuner_attach(struct dvb_usb_adapter *adap)
1094 struct dvb_usb_device *d = adap_to_d(adap);
1095 struct rtl28xxu_dev *dev = d_to_priv(d);
1096 struct dvb_frontend *fe;
1098 dev_dbg(&d->intf->dev, "\n");
1100 switch (dev->tuner) {
1101 case TUNER_RTL2830_QT1010:
1102 fe = dvb_attach(qt1010_attach, adap->fe[0],
1103 dev->demod_i2c_adapter,
1104 &rtl28xxu_qt1010_config);
1106 case TUNER_RTL2830_MT2060:
1107 fe = dvb_attach(mt2060_attach, adap->fe[0],
1108 dev->demod_i2c_adapter,
1109 &rtl28xxu_mt2060_config, 1220);
1111 case TUNER_RTL2830_MXL5005S:
1112 fe = dvb_attach(mxl5005s_attach, adap->fe[0],
1113 dev->demod_i2c_adapter,
1114 &rtl28xxu_mxl5005s_config);
1118 dev_err(&d->intf->dev, "unknown tuner %d\n", dev->tuner);
1128 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1132 static const struct fc0012_config rtl2832u_fc0012_config = {
1133 .i2c_address = 0x63, /* 0xc6 >> 1 */
1134 .xtal_freq = FC_XTAL_28_8_MHZ,
1137 static const struct r820t_config rtl2832u_r820t_config = {
1140 .max_i2c_msg_len = 2,
1141 .rafael_chip = CHIP_R820T,
1144 static const struct r820t_config rtl2832u_r828d_config = {
1147 .max_i2c_msg_len = 2,
1148 .rafael_chip = CHIP_R828D,
1151 static int rtl2832u_tuner_attach(struct dvb_usb_adapter *adap)
1154 struct dvb_usb_device *d = adap_to_d(adap);
1155 struct rtl28xxu_dev *dev = d_to_priv(d);
1156 struct dvb_frontend *fe = NULL;
1157 struct i2c_board_info info;
1158 struct i2c_client *client;
1159 struct v4l2_subdev *subdev = NULL;
1160 struct platform_device *pdev;
1161 struct rtl2832_sdr_platform_data pdata;
1163 dev_dbg(&d->intf->dev, "\n");
1165 memset(&info, 0, sizeof(struct i2c_board_info));
1166 memset(&pdata, 0, sizeof(pdata));
1168 switch (dev->tuner) {
1169 case TUNER_RTL2832_FC0012:
1170 fe = dvb_attach(fc0012_attach, adap->fe[0],
1171 dev->demod_i2c_adapter, &rtl2832u_fc0012_config);
1173 /* since fc0012 includs reading the signal strength delegate
1174 * that to the tuner driver */
1175 adap->fe[0]->ops.read_signal_strength =
1176 adap->fe[0]->ops.tuner_ops.get_rf_strength;
1178 case TUNER_RTL2832_FC0013:
1179 fe = dvb_attach(fc0013_attach, adap->fe[0],
1180 dev->demod_i2c_adapter, 0xc6>>1, 0, FC_XTAL_28_8_MHZ);
1182 /* fc0013 also supports signal strength reading */
1183 adap->fe[0]->ops.read_signal_strength =
1184 adap->fe[0]->ops.tuner_ops.get_rf_strength;
1186 case TUNER_RTL2832_E4000: {
1187 struct e4000_config e4000_config = {
1192 strlcpy(info.type, "e4000", I2C_NAME_SIZE);
1194 info.platform_data = &e4000_config;
1196 request_module(info.type);
1197 client = i2c_new_device(dev->demod_i2c_adapter, &info);
1198 if (client == NULL || client->dev.driver == NULL)
1201 if (!try_module_get(client->dev.driver->owner)) {
1202 i2c_unregister_device(client);
1206 dev->i2c_client_tuner = client;
1207 subdev = i2c_get_clientdata(client);
1210 case TUNER_RTL2832_FC2580: {
1211 struct fc2580_platform_data fc2580_pdata = {
1212 .dvb_frontend = adap->fe[0],
1214 struct i2c_board_info board_info = {};
1216 strlcpy(board_info.type, "fc2580", I2C_NAME_SIZE);
1217 board_info.addr = 0x56;
1218 board_info.platform_data = &fc2580_pdata;
1219 request_module("fc2580");
1220 client = i2c_new_device(dev->demod_i2c_adapter,
1222 if (client == NULL || client->dev.driver == NULL)
1224 if (!try_module_get(client->dev.driver->owner)) {
1225 i2c_unregister_device(client);
1228 dev->i2c_client_tuner = client;
1229 subdev = fc2580_pdata.get_v4l2_subdev(client);
1232 case TUNER_RTL2832_TUA9001: {
1233 struct tua9001_platform_data tua9001_pdata = {
1234 .dvb_frontend = adap->fe[0],
1236 struct i2c_board_info board_info = {};
1238 /* enable GPIO1 and GPIO4 as output */
1239 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_DIR, 0x00, 0x12);
1243 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x12, 0x12);
1247 strlcpy(board_info.type, "tua9001", I2C_NAME_SIZE);
1248 board_info.addr = 0x60;
1249 board_info.platform_data = &tua9001_pdata;
1250 request_module("tua9001");
1251 client = i2c_new_device(dev->demod_i2c_adapter, &board_info);
1252 if (client == NULL || client->dev.driver == NULL)
1254 if (!try_module_get(client->dev.driver->owner)) {
1255 i2c_unregister_device(client);
1258 dev->i2c_client_tuner = client;
1261 case TUNER_RTL2832_R820T:
1262 fe = dvb_attach(r820t_attach, adap->fe[0],
1263 dev->demod_i2c_adapter,
1264 &rtl2832u_r820t_config);
1266 /* Use tuner to get the signal strength */
1267 adap->fe[0]->ops.read_signal_strength =
1268 adap->fe[0]->ops.tuner_ops.get_rf_strength;
1270 case TUNER_RTL2832_R828D:
1271 fe = dvb_attach(r820t_attach, adap->fe[0],
1272 dev->demod_i2c_adapter,
1273 &rtl2832u_r828d_config);
1274 adap->fe[0]->ops.read_signal_strength =
1275 adap->fe[0]->ops.tuner_ops.get_rf_strength;
1278 fe = dvb_attach(r820t_attach, adap->fe[1],
1279 dev->demod_i2c_adapter,
1280 &rtl2832u_r828d_config);
1281 adap->fe[1]->ops.read_signal_strength =
1282 adap->fe[1]->ops.tuner_ops.get_rf_strength;
1285 case TUNER_RTL2832_SI2157: {
1286 struct si2157_config si2157_config = {
1292 strlcpy(info.type, "si2157", I2C_NAME_SIZE);
1294 info.platform_data = &si2157_config;
1295 request_module(info.type);
1296 client = i2c_new_device(&d->i2c_adap, &info);
1297 if (client == NULL || client->dev.driver == NULL)
1300 if (!try_module_get(client->dev.driver->owner)) {
1301 i2c_unregister_device(client);
1305 dev->i2c_client_tuner = client;
1306 subdev = i2c_get_clientdata(client);
1308 /* copy tuner ops for 2nd FE as tuner is shared */
1310 adap->fe[1]->tuner_priv =
1311 adap->fe[0]->tuner_priv;
1312 memcpy(&adap->fe[1]->ops.tuner_ops,
1313 &adap->fe[0]->ops.tuner_ops,
1314 sizeof(struct dvb_tuner_ops));
1319 dev_err(&d->intf->dev, "unknown tuner %d\n", dev->tuner);
1321 if (fe == NULL && dev->i2c_client_tuner == NULL) {
1327 switch (dev->tuner) {
1328 case TUNER_RTL2832_FC2580:
1329 case TUNER_RTL2832_FC0012:
1330 case TUNER_RTL2832_FC0013:
1331 case TUNER_RTL2832_E4000:
1332 case TUNER_RTL2832_R820T:
1333 case TUNER_RTL2832_R828D:
1334 pdata.clk = dev->rtl2832_platform_data.clk;
1335 pdata.tuner = dev->tuner;
1336 pdata.i2c_client = dev->i2c_client_demod;
1337 pdata.bulk_read = dev->rtl2832_platform_data.bulk_read;
1338 pdata.bulk_write = dev->rtl2832_platform_data.bulk_write;
1339 pdata.update_bits = dev->rtl2832_platform_data.update_bits;
1340 pdata.dvb_frontend = adap->fe[0];
1341 pdata.dvb_usb_device = d;
1342 pdata.v4l2_subdev = subdev;
1344 request_module("%s", "rtl2832_sdr");
1345 pdev = platform_device_register_data(&d->intf->dev,
1347 PLATFORM_DEVID_AUTO,
1348 &pdata, sizeof(pdata));
1349 if (IS_ERR(pdev) || pdev->dev.driver == NULL)
1351 dev->platform_device_sdr = pdev;
1354 dev_dbg(&d->intf->dev, "no SDR for tuner=%d\n", dev->tuner);
1359 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1363 static int rtl28xxu_tuner_attach(struct dvb_usb_adapter *adap)
1365 struct rtl28xxu_dev *dev = adap_to_priv(adap);
1367 if (dev->chip_id == CHIP_ID_RTL2831U)
1368 return rtl2831u_tuner_attach(adap);
1370 return rtl2832u_tuner_attach(adap);
1373 static int rtl28xxu_tuner_detach(struct dvb_usb_adapter *adap)
1375 struct dvb_usb_device *d = adap_to_d(adap);
1376 struct rtl28xxu_dev *dev = d_to_priv(d);
1377 struct i2c_client *client;
1378 struct platform_device *pdev;
1380 dev_dbg(&d->intf->dev, "\n");
1382 /* remove platform SDR */
1383 pdev = dev->platform_device_sdr;
1385 platform_device_unregister(pdev);
1387 /* remove I2C tuner */
1388 client = dev->i2c_client_tuner;
1390 module_put(client->dev.driver->owner);
1391 i2c_unregister_device(client);
1397 static int rtl28xxu_init(struct dvb_usb_device *d)
1402 dev_dbg(&d->intf->dev, "\n");
1404 /* init USB endpoints */
1405 ret = rtl28xxu_rd_reg(d, USB_SYSCTL_0, &val);
1409 /* enable DMA and Full Packet Mode*/
1411 ret = rtl28xxu_wr_reg(d, USB_SYSCTL_0, val);
1415 /* set EPA maximum packet size to 0x0200 */
1416 ret = rtl28xxu_wr_regs(d, USB_EPA_MAXPKT, "\x00\x02\x00\x00", 4);
1420 /* change EPA FIFO length */
1421 ret = rtl28xxu_wr_regs(d, USB_EPA_FIFO_CFG, "\x14\x00\x00\x00", 4);
1427 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1431 static int rtl2831u_power_ctrl(struct dvb_usb_device *d, int onoff)
1434 u8 gpio, sys0, epa_ctl[2];
1436 dev_dbg(&d->intf->dev, "onoff=%d\n", onoff);
1439 ret = rtl28xxu_rd_reg(d, SYS_SYS0, &sys0);
1443 /* tuner power, read GPIOs */
1444 ret = rtl28xxu_rd_reg(d, SYS_GPIO_OUT_VAL, &gpio);
1448 dev_dbg(&d->intf->dev, "RD SYS0=%02x GPIO_OUT_VAL=%02x\n", sys0, gpio);
1451 gpio |= 0x01; /* GPIO0 = 1 */
1452 gpio &= (~0x10); /* GPIO4 = 0 */
1453 gpio |= 0x04; /* GPIO2 = 1, LED on */
1456 epa_ctl[0] = 0x00; /* clear stall */
1457 epa_ctl[1] = 0x00; /* clear reset */
1459 gpio &= (~0x01); /* GPIO0 = 0 */
1460 gpio |= 0x10; /* GPIO4 = 1 */
1461 gpio &= (~0x04); /* GPIO2 = 1, LED off */
1462 sys0 = sys0 & (~0xc0);
1463 epa_ctl[0] = 0x10; /* set stall */
1464 epa_ctl[1] = 0x02; /* set reset */
1467 dev_dbg(&d->intf->dev, "WR SYS0=%02x GPIO_OUT_VAL=%02x\n", sys0, gpio);
1470 ret = rtl28xxu_wr_reg(d, SYS_SYS0, sys0);
1474 /* tuner power, write GPIOs */
1475 ret = rtl28xxu_wr_reg(d, SYS_GPIO_OUT_VAL, gpio);
1479 /* streaming EP: stall & reset */
1480 ret = rtl28xxu_wr_regs(d, USB_EPA_CTL, epa_ctl, 2);
1485 usb_clear_halt(d->udev, usb_rcvbulkpipe(d->udev, 0x81));
1489 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1493 static int rtl2832u_power_ctrl(struct dvb_usb_device *d, int onoff)
1497 dev_dbg(&d->intf->dev, "onoff=%d\n", onoff);
1500 /* GPIO3=1, GPIO4=0 */
1501 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x08, 0x18);
1506 ret = rtl28xxu_wr_reg_mask(d, SYS_DEMOD_CTL1, 0x00, 0x10);
1511 ret = rtl28xxu_wr_reg_mask(d, SYS_DEMOD_CTL, 0x80, 0x80);
1516 ret = rtl28xxu_wr_reg_mask(d, SYS_DEMOD_CTL, 0x20, 0x20);
1520 /* streaming EP: clear stall & reset */
1521 ret = rtl28xxu_wr_regs(d, USB_EPA_CTL, "\x00\x00", 2);
1525 ret = usb_clear_halt(d->udev, usb_rcvbulkpipe(d->udev, 0x81));
1530 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x10, 0x10);
1535 ret = rtl28xxu_wr_reg_mask(d, SYS_DEMOD_CTL, 0x00, 0x80);
1539 /* streaming EP: set stall & reset */
1540 ret = rtl28xxu_wr_regs(d, USB_EPA_CTL, "\x10\x02", 2);
1547 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1551 static int rtl28xxu_power_ctrl(struct dvb_usb_device *d, int onoff)
1553 struct rtl28xxu_dev *dev = d_to_priv(d);
1555 if (dev->chip_id == CHIP_ID_RTL2831U)
1556 return rtl2831u_power_ctrl(d, onoff);
1558 return rtl2832u_power_ctrl(d, onoff);
1561 static int rtl28xxu_frontend_ctrl(struct dvb_frontend *fe, int onoff)
1563 struct dvb_usb_device *d = fe_to_d(fe);
1564 struct rtl28xxu_dev *dev = fe_to_priv(fe);
1565 struct rtl2832_platform_data *pdata = &dev->rtl2832_platform_data;
1569 dev_dbg(&d->intf->dev, "fe=%d onoff=%d\n", fe->id, onoff);
1571 if (dev->chip_id == CHIP_ID_RTL2831U)
1574 /* control internal demod ADC */
1575 if (fe->id == 0 && onoff)
1576 val = 0x48; /* enable ADC */
1578 val = 0x00; /* disable ADC */
1580 ret = rtl28xxu_wr_reg_mask(d, SYS_DEMOD_CTL, val, 0x48);
1584 /* bypass slave demod TS through master demod */
1585 if (fe->id == 1 && onoff) {
1586 ret = pdata->enable_slave_ts(dev->i2c_client_demod);
1593 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1597 #if IS_ENABLED(CONFIG_RC_CORE)
1598 static int rtl2831u_rc_query(struct dvb_usb_device *d)
1601 struct rtl28xxu_dev *dev = d->priv;
1604 struct rtl28xxu_reg_val rc_nec_tab[] = {
1621 /* init remote controller */
1622 if (!dev->rc_active) {
1623 for (i = 0; i < ARRAY_SIZE(rc_nec_tab); i++) {
1624 ret = rtl28xxu_wr_reg(d, rc_nec_tab[i].reg,
1629 dev->rc_active = true;
1632 ret = rtl28xxu_rd_regs(d, SYS_IRRC_RP, buf, 5);
1636 if (buf[4] & 0x01) {
1637 if (buf[2] == (u8) ~buf[3]) {
1638 if (buf[0] == (u8) ~buf[1]) {
1639 /* NEC standard (16 bit) */
1640 rc_code = RC_SCANCODE_NEC(buf[0], buf[2]);
1642 /* NEC extended (24 bit) */
1643 rc_code = RC_SCANCODE_NECX(buf[0] << 8 | buf[1],
1647 /* NEC full (32 bit) */
1648 rc_code = RC_SCANCODE_NEC32(buf[0] << 24 | buf[1] << 16 |
1649 buf[2] << 8 | buf[3]);
1652 rc_keydown(d->rc_dev, RC_TYPE_NEC, rc_code, 0);
1654 ret = rtl28xxu_wr_reg(d, SYS_IRRC_SR, 1);
1658 /* repeated intentionally to avoid extra keypress */
1659 ret = rtl28xxu_wr_reg(d, SYS_IRRC_SR, 1);
1666 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1670 static int rtl2831u_get_rc_config(struct dvb_usb_device *d,
1671 struct dvb_usb_rc *rc)
1673 rc->map_name = RC_MAP_EMPTY;
1674 rc->allowed_protos = RC_BIT_NEC;
1675 rc->query = rtl2831u_rc_query;
1681 static int rtl2832u_rc_query(struct dvb_usb_device *d)
1684 struct rtl28xxu_dev *dev = d->priv;
1685 struct ir_raw_event ev;
1687 static const struct rtl28xxu_reg_val_mask refresh_tab[] = {
1688 {IR_RX_IF, 0x03, 0xff},
1689 {IR_RX_BUF_CTRL, 0x80, 0xff},
1690 {IR_RX_CTRL, 0x80, 0xff},
1693 /* init remote controller */
1694 if (!dev->rc_active) {
1695 static const struct rtl28xxu_reg_val_mask init_tab[] = {
1696 {SYS_DEMOD_CTL1, 0x00, 0x04},
1697 {SYS_DEMOD_CTL1, 0x00, 0x08},
1698 {USB_CTRL, 0x20, 0x20},
1699 {SYS_GPIO_DIR, 0x00, 0x08},
1700 {SYS_GPIO_OUT_EN, 0x08, 0x08},
1701 {SYS_GPIO_OUT_VAL, 0x08, 0x08},
1702 {IR_MAX_DURATION0, 0xd0, 0xff},
1703 {IR_MAX_DURATION1, 0x07, 0xff},
1704 {IR_IDLE_LEN0, 0xc0, 0xff},
1705 {IR_IDLE_LEN1, 0x00, 0xff},
1706 {IR_GLITCH_LEN, 0x03, 0xff},
1707 {IR_RX_CLK, 0x09, 0xff},
1708 {IR_RX_CFG, 0x1c, 0xff},
1709 {IR_MAX_H_TOL_LEN, 0x1e, 0xff},
1710 {IR_MAX_L_TOL_LEN, 0x1e, 0xff},
1711 {IR_RX_CTRL, 0x80, 0xff},
1714 for (i = 0; i < ARRAY_SIZE(init_tab); i++) {
1715 ret = rtl28xxu_wr_reg_mask(d, init_tab[i].reg,
1716 init_tab[i].val, init_tab[i].mask);
1721 dev->rc_active = true;
1724 ret = rtl28xxu_rd_reg(d, IR_RX_IF, &buf[0]);
1731 ret = rtl28xxu_rd_reg(d, IR_RX_BC, &buf[0]);
1737 /* read raw code from hw */
1738 ret = rtl28xxu_rd_regs(d, IR_RX_BUF, buf, len);
1742 /* let hw receive new code */
1743 for (i = 0; i < ARRAY_SIZE(refresh_tab); i++) {
1744 ret = rtl28xxu_wr_reg_mask(d, refresh_tab[i].reg,
1745 refresh_tab[i].val, refresh_tab[i].mask);
1750 /* pass data to Kernel IR decoder */
1751 init_ir_raw_event(&ev);
1753 for (i = 0; i < len; i++) {
1754 ev.pulse = buf[i] >> 7;
1755 ev.duration = 50800 * (buf[i] & 0x7f);
1756 ir_raw_event_store_with_filter(d->rc_dev, &ev);
1759 /* 'flush'Â ir_raw_event_store_with_filter() */
1760 ir_raw_event_set_idle(d->rc_dev, true);
1761 ir_raw_event_handle(d->rc_dev);
1765 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1769 static int rtl2832u_get_rc_config(struct dvb_usb_device *d,
1770 struct dvb_usb_rc *rc)
1772 /* disable IR interrupts in order to avoid SDR sample loss */
1773 if (rtl28xxu_disable_rc)
1774 return rtl28xxu_wr_reg(d, IR_RX_IE, 0x00);
1776 /* load empty to enable rc */
1778 rc->map_name = RC_MAP_EMPTY;
1779 rc->allowed_protos = RC_BIT_ALL;
1780 rc->driver_type = RC_DRIVER_IR_RAW;
1781 rc->query = rtl2832u_rc_query;
1787 static int rtl28xxu_get_rc_config(struct dvb_usb_device *d,
1788 struct dvb_usb_rc *rc)
1790 struct rtl28xxu_dev *dev = d_to_priv(d);
1792 if (dev->chip_id == CHIP_ID_RTL2831U)
1793 return rtl2831u_get_rc_config(d, rc);
1795 return rtl2832u_get_rc_config(d, rc);
1798 #define rtl28xxu_get_rc_config NULL
1801 static int rtl28xxu_pid_filter_ctrl(struct dvb_usb_adapter *adap, int onoff)
1803 struct rtl28xxu_dev *dev = adap_to_priv(adap);
1805 if (dev->chip_id == CHIP_ID_RTL2831U) {
1806 struct rtl2830_platform_data *pdata = &dev->rtl2830_platform_data;
1808 return pdata->pid_filter_ctrl(adap->fe[0], onoff);
1810 struct rtl2832_platform_data *pdata = &dev->rtl2832_platform_data;
1812 return pdata->pid_filter_ctrl(adap->fe[0], onoff);
1816 static int rtl28xxu_pid_filter(struct dvb_usb_adapter *adap, int index,
1819 struct rtl28xxu_dev *dev = adap_to_priv(adap);
1821 if (dev->chip_id == CHIP_ID_RTL2831U) {
1822 struct rtl2830_platform_data *pdata = &dev->rtl2830_platform_data;
1824 return pdata->pid_filter(adap->fe[0], index, pid, onoff);
1826 struct rtl2832_platform_data *pdata = &dev->rtl2832_platform_data;
1828 return pdata->pid_filter(adap->fe[0], index, pid, onoff);
1832 static const struct dvb_usb_device_properties rtl28xxu_props = {
1833 .driver_name = KBUILD_MODNAME,
1834 .owner = THIS_MODULE,
1835 .adapter_nr = adapter_nr,
1836 .size_of_priv = sizeof(struct rtl28xxu_dev),
1838 .identify_state = rtl28xxu_identify_state,
1839 .power_ctrl = rtl28xxu_power_ctrl,
1840 .frontend_ctrl = rtl28xxu_frontend_ctrl,
1841 .i2c_algo = &rtl28xxu_i2c_algo,
1842 .read_config = rtl28xxu_read_config,
1843 .frontend_attach = rtl28xxu_frontend_attach,
1844 .frontend_detach = rtl28xxu_frontend_detach,
1845 .tuner_attach = rtl28xxu_tuner_attach,
1846 .tuner_detach = rtl28xxu_tuner_detach,
1847 .init = rtl28xxu_init,
1848 .get_rc_config = rtl28xxu_get_rc_config,
1853 .caps = DVB_USB_ADAP_HAS_PID_FILTER |
1854 DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
1856 .pid_filter_count = 32,
1857 .pid_filter_ctrl = rtl28xxu_pid_filter_ctrl,
1858 .pid_filter = rtl28xxu_pid_filter,
1860 .stream = DVB_USB_STREAM_BULK(0x81, 6, 8 * 512),
1865 static const struct usb_device_id rtl28xxu_id_table[] = {
1866 /* RTL2831U devices: */
1867 { DVB_USB_DEVICE(USB_VID_REALTEK, USB_PID_REALTEK_RTL2831U,
1868 &rtl28xxu_props, "Realtek RTL2831U reference design", NULL) },
1869 { DVB_USB_DEVICE(USB_VID_WIDEVIEW, USB_PID_FREECOM_DVBT,
1870 &rtl28xxu_props, "Freecom USB2.0 DVB-T", NULL) },
1871 { DVB_USB_DEVICE(USB_VID_WIDEVIEW, USB_PID_FREECOM_DVBT_2,
1872 &rtl28xxu_props, "Freecom USB2.0 DVB-T", NULL) },
1874 /* RTL2832U devices: */
1875 { DVB_USB_DEVICE(USB_VID_REALTEK, 0x2832,
1876 &rtl28xxu_props, "Realtek RTL2832U reference design", NULL) },
1877 { DVB_USB_DEVICE(USB_VID_REALTEK, 0x2838,
1878 &rtl28xxu_props, "Realtek RTL2832U reference design", NULL) },
1879 { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_CINERGY_T_STICK_BLACK_REV1,
1880 &rtl28xxu_props, "TerraTec Cinergy T Stick Black", RC_MAP_TERRATEC_SLIM) },
1881 { DVB_USB_DEVICE(USB_VID_GTEK, USB_PID_DELOCK_USB2_DVBT,
1882 &rtl28xxu_props, "G-Tek Electronics Group Lifeview LV5TDLX DVB-T", NULL) },
1883 { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_NOXON_DAB_STICK,
1884 &rtl28xxu_props, "TerraTec NOXON DAB Stick", NULL) },
1885 { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_NOXON_DAB_STICK_REV2,
1886 &rtl28xxu_props, "TerraTec NOXON DAB Stick (rev 2)", NULL) },
1887 { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_NOXON_DAB_STICK_REV3,
1888 &rtl28xxu_props, "TerraTec NOXON DAB Stick (rev 3)", NULL) },
1889 { DVB_USB_DEVICE(USB_VID_GTEK, USB_PID_TREKSTOR_TERRES_2_0,
1890 &rtl28xxu_props, "Trekstor DVB-T Stick Terres 2.0", NULL) },
1891 { DVB_USB_DEVICE(USB_VID_DEXATEK, 0x1101,
1892 &rtl28xxu_props, "Dexatek DK DVB-T Dongle", NULL) },
1893 { DVB_USB_DEVICE(USB_VID_LEADTEK, 0x6680,
1894 &rtl28xxu_props, "DigitalNow Quad DVB-T Receiver", NULL) },
1895 { DVB_USB_DEVICE(USB_VID_LEADTEK, USB_PID_WINFAST_DTV_DONGLE_MINID,
1896 &rtl28xxu_props, "Leadtek Winfast DTV Dongle Mini D", NULL) },
1897 { DVB_USB_DEVICE(USB_VID_LEADTEK, USB_PID_WINFAST_DTV2000DS_PLUS,
1898 &rtl28xxu_props, "Leadtek WinFast DTV2000DS Plus", RC_MAP_LEADTEK_Y04G0051) },
1899 { DVB_USB_DEVICE(USB_VID_TERRATEC, 0x00d3,
1900 &rtl28xxu_props, "TerraTec Cinergy T Stick RC (Rev. 3)", NULL) },
1901 { DVB_USB_DEVICE(USB_VID_DEXATEK, 0x1102,
1902 &rtl28xxu_props, "Dexatek DK mini DVB-T Dongle", NULL) },
1903 { DVB_USB_DEVICE(USB_VID_TERRATEC, 0x00d7,
1904 &rtl28xxu_props, "TerraTec Cinergy T Stick+", NULL) },
1905 { DVB_USB_DEVICE(USB_VID_KWORLD_2, 0xd3a8,
1906 &rtl28xxu_props, "ASUS My Cinema-U3100Mini Plus V2", NULL) },
1907 { DVB_USB_DEVICE(USB_VID_KWORLD_2, 0xd393,
1908 &rtl28xxu_props, "GIGABYTE U7300", NULL) },
1909 { DVB_USB_DEVICE(USB_VID_DEXATEK, 0x1104,
1910 &rtl28xxu_props, "MSI DIGIVOX Micro HD", NULL) },
1911 { DVB_USB_DEVICE(USB_VID_COMPRO, 0x0620,
1912 &rtl28xxu_props, "Compro VideoMate U620F", NULL) },
1913 { DVB_USB_DEVICE(USB_VID_COMPRO, 0x0650,
1914 &rtl28xxu_props, "Compro VideoMate U650F", NULL) },
1915 { DVB_USB_DEVICE(USB_VID_KWORLD_2, 0xd394,
1916 &rtl28xxu_props, "MaxMedia HU394-T", NULL) },
1917 { DVB_USB_DEVICE(USB_VID_LEADTEK, 0x6a03,
1918 &rtl28xxu_props, "Leadtek WinFast DTV Dongle mini", NULL) },
1919 { DVB_USB_DEVICE(USB_VID_GTEK, USB_PID_CPYTO_REDI_PC50A,
1920 &rtl28xxu_props, "Crypto ReDi PC 50 A", NULL) },
1921 { DVB_USB_DEVICE(USB_VID_KYE, 0x707f,
1922 &rtl28xxu_props, "Genius TVGo DVB-T03", NULL) },
1923 { DVB_USB_DEVICE(USB_VID_KWORLD_2, 0xd395,
1924 &rtl28xxu_props, "Peak DVB-T USB", NULL) },
1925 { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_SVEON_STV20_RTL2832U,
1926 &rtl28xxu_props, "Sveon STV20", NULL) },
1927 { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_SVEON_STV21,
1928 &rtl28xxu_props, "Sveon STV21", NULL) },
1929 { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_SVEON_STV27,
1930 &rtl28xxu_props, "Sveon STV27", NULL) },
1931 { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_TURBOX_DTT_2000,
1932 &rtl28xxu_props, "TURBO-X Pure TV Tuner DTT-2000", NULL) },
1934 /* RTL2832P devices: */
1935 { DVB_USB_DEVICE(USB_VID_HANFTEK, 0x0131,
1936 &rtl28xxu_props, "Astrometa DVB-T2", NULL) },
1937 { DVB_USB_DEVICE(0x5654, 0xca42,
1938 &rtl28xxu_props, "GoTView MasterHD 3", NULL) },
1941 MODULE_DEVICE_TABLE(usb, rtl28xxu_id_table);
1943 static struct usb_driver rtl28xxu_usb_driver = {
1944 .name = KBUILD_MODNAME,
1945 .id_table = rtl28xxu_id_table,
1946 .probe = dvb_usbv2_probe,
1947 .disconnect = dvb_usbv2_disconnect,
1948 .suspend = dvb_usbv2_suspend,
1949 .resume = dvb_usbv2_resume,
1950 .reset_resume = dvb_usbv2_reset_resume,
1955 module_usb_driver(rtl28xxu_usb_driver);
1957 MODULE_DESCRIPTION("Realtek RTL28xxU DVB USB driver");
1958 MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
1959 MODULE_AUTHOR("Thomas Mair <thomas.mair86@googlemail.com>");
1960 MODULE_LICENSE("GPL");