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);
263 mutex_unlock(&d->i2c_mutex);
265 return ret ? ret : num;
268 static u32 rtl28xxu_i2c_func(struct i2c_adapter *adapter)
273 static struct i2c_algorithm rtl28xxu_i2c_algo = {
274 .master_xfer = rtl28xxu_i2c_xfer,
275 .functionality = rtl28xxu_i2c_func,
278 static int rtl2831u_read_config(struct dvb_usb_device *d)
280 struct rtl28xxu_dev *dev = d_to_priv(d);
283 /* open RTL2831U/RTL2830 I2C gate */
284 struct rtl28xxu_req req_gate_open = {0x0120, 0x0011, 0x0001, "\x08"};
286 struct rtl28xxu_req req_mt2060 = {0x00c0, CMD_I2C_RD, 1, buf};
287 struct rtl28xxu_req req_qt1010 = {0x0fc4, CMD_I2C_RD, 1, buf};
289 dev_dbg(&d->intf->dev, "\n");
293 * =========================================================
294 * GPIO0 | tuner#0 | 0 off | 1 on | MXL5005S (?)
295 * GPIO2 | LED | 0 off | 1 on |
296 * GPIO4 | tuner#1 | 0 on | 1 off | MT2060
300 ret = rtl28xxu_wr_reg(d, SYS_GPIO_DIR, 0x0a);
304 /* enable as output GPIO0, GPIO2, GPIO4 */
305 ret = rtl28xxu_wr_reg(d, SYS_GPIO_OUT_EN, 0x15);
310 * Probe used tuner. We need to know used tuner before demod attach
311 * since there is some demod params needed to set according to tuner.
314 /* demod needs some time to wake up */
317 dev->tuner_name = "NONE";
319 /* open demod I2C gate */
320 ret = rtl28xxu_ctrl_msg(d, &req_gate_open);
324 /* check QT1010 ID(?) register; reg=0f val=2c */
325 ret = rtl28xxu_ctrl_msg(d, &req_qt1010);
326 if (ret == 0 && buf[0] == 0x2c) {
327 dev->tuner = TUNER_RTL2830_QT1010;
328 dev->tuner_name = "QT1010";
332 /* open demod I2C gate */
333 ret = rtl28xxu_ctrl_msg(d, &req_gate_open);
337 /* check MT2060 ID register; reg=00 val=63 */
338 ret = rtl28xxu_ctrl_msg(d, &req_mt2060);
339 if (ret == 0 && buf[0] == 0x63) {
340 dev->tuner = TUNER_RTL2830_MT2060;
341 dev->tuner_name = "MT2060";
345 /* assume MXL5005S */
346 dev->tuner = TUNER_RTL2830_MXL5005S;
347 dev->tuner_name = "MXL5005S";
351 dev_dbg(&d->intf->dev, "tuner=%s\n", dev->tuner_name);
355 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
359 static int rtl2832u_read_config(struct dvb_usb_device *d)
361 struct rtl28xxu_dev *dev = d_to_priv(d);
364 /* open RTL2832U/RTL2832 I2C gate */
365 struct rtl28xxu_req req_gate_open = {0x0120, 0x0011, 0x0001, "\x18"};
366 /* close RTL2832U/RTL2832 I2C gate */
367 struct rtl28xxu_req req_gate_close = {0x0120, 0x0011, 0x0001, "\x10"};
369 struct rtl28xxu_req req_fc0012 = {0x00c6, CMD_I2C_RD, 1, buf};
370 struct rtl28xxu_req req_fc0013 = {0x00c6, CMD_I2C_RD, 1, buf};
371 struct rtl28xxu_req req_mt2266 = {0x00c0, CMD_I2C_RD, 1, buf};
372 struct rtl28xxu_req req_fc2580 = {0x01ac, CMD_I2C_RD, 1, buf};
373 struct rtl28xxu_req req_mt2063 = {0x00c0, CMD_I2C_RD, 1, buf};
374 struct rtl28xxu_req req_max3543 = {0x00c0, CMD_I2C_RD, 1, buf};
375 struct rtl28xxu_req req_tua9001 = {0x7ec0, CMD_I2C_RD, 2, buf};
376 struct rtl28xxu_req req_mxl5007t = {0xd9c0, CMD_I2C_RD, 1, buf};
377 struct rtl28xxu_req req_e4000 = {0x02c8, CMD_I2C_RD, 1, buf};
378 struct rtl28xxu_req req_tda18272 = {0x00c0, CMD_I2C_RD, 2, buf};
379 struct rtl28xxu_req req_r820t = {0x0034, CMD_I2C_RD, 1, buf};
380 struct rtl28xxu_req req_r828d = {0x0074, CMD_I2C_RD, 1, buf};
381 struct rtl28xxu_req req_mn88472 = {0xff38, CMD_I2C_RD, 1, buf};
382 struct rtl28xxu_req req_mn88473 = {0xff38, CMD_I2C_RD, 1, buf};
383 struct rtl28xxu_req req_si2157 = {0x00c0, CMD_I2C_RD, 1, buf};
384 struct rtl28xxu_req req_si2168 = {0x00c8, CMD_I2C_RD, 1, buf};
386 dev_dbg(&d->intf->dev, "\n");
388 /* enable GPIO3 and GPIO6 as output */
389 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_DIR, 0x00, 0x40);
393 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x48, 0x48);
398 * Probe used tuner. We need to know used tuner before demod attach
399 * since there is some demod params needed to set according to tuner.
402 /* open demod I2C gate */
403 ret = rtl28xxu_ctrl_msg(d, &req_gate_open);
407 dev->tuner_name = "NONE";
409 /* check FC0012 ID register; reg=00 val=a1 */
410 ret = rtl28xxu_ctrl_msg(d, &req_fc0012);
411 if (ret == 0 && buf[0] == 0xa1) {
412 dev->tuner = TUNER_RTL2832_FC0012;
413 dev->tuner_name = "FC0012";
417 /* check FC0013 ID register; reg=00 val=a3 */
418 ret = rtl28xxu_ctrl_msg(d, &req_fc0013);
419 if (ret == 0 && buf[0] == 0xa3) {
420 dev->tuner = TUNER_RTL2832_FC0013;
421 dev->tuner_name = "FC0013";
425 /* check MT2266 ID register; reg=00 val=85 */
426 ret = rtl28xxu_ctrl_msg(d, &req_mt2266);
427 if (ret == 0 && buf[0] == 0x85) {
428 dev->tuner = TUNER_RTL2832_MT2266;
429 dev->tuner_name = "MT2266";
433 /* check FC2580 ID register; reg=01 val=56 */
434 ret = rtl28xxu_ctrl_msg(d, &req_fc2580);
435 if (ret == 0 && buf[0] == 0x56) {
436 dev->tuner = TUNER_RTL2832_FC2580;
437 dev->tuner_name = "FC2580";
441 /* check MT2063 ID register; reg=00 val=9e || 9c */
442 ret = rtl28xxu_ctrl_msg(d, &req_mt2063);
443 if (ret == 0 && (buf[0] == 0x9e || buf[0] == 0x9c)) {
444 dev->tuner = TUNER_RTL2832_MT2063;
445 dev->tuner_name = "MT2063";
449 /* check MAX3543 ID register; reg=00 val=38 */
450 ret = rtl28xxu_ctrl_msg(d, &req_max3543);
451 if (ret == 0 && buf[0] == 0x38) {
452 dev->tuner = TUNER_RTL2832_MAX3543;
453 dev->tuner_name = "MAX3543";
457 /* check TUA9001 ID register; reg=7e val=2328 */
458 ret = rtl28xxu_ctrl_msg(d, &req_tua9001);
459 if (ret == 0 && buf[0] == 0x23 && buf[1] == 0x28) {
460 dev->tuner = TUNER_RTL2832_TUA9001;
461 dev->tuner_name = "TUA9001";
465 /* check MXL5007R ID register; reg=d9 val=14 */
466 ret = rtl28xxu_ctrl_msg(d, &req_mxl5007t);
467 if (ret == 0 && buf[0] == 0x14) {
468 dev->tuner = TUNER_RTL2832_MXL5007T;
469 dev->tuner_name = "MXL5007T";
473 /* check E4000 ID register; reg=02 val=40 */
474 ret = rtl28xxu_ctrl_msg(d, &req_e4000);
475 if (ret == 0 && buf[0] == 0x40) {
476 dev->tuner = TUNER_RTL2832_E4000;
477 dev->tuner_name = "E4000";
481 /* check TDA18272 ID register; reg=00 val=c760 */
482 ret = rtl28xxu_ctrl_msg(d, &req_tda18272);
483 if (ret == 0 && (buf[0] == 0xc7 || buf[1] == 0x60)) {
484 dev->tuner = TUNER_RTL2832_TDA18272;
485 dev->tuner_name = "TDA18272";
489 /* check R820T ID register; reg=00 val=69 */
490 ret = rtl28xxu_ctrl_msg(d, &req_r820t);
491 if (ret == 0 && buf[0] == 0x69) {
492 dev->tuner = TUNER_RTL2832_R820T;
493 dev->tuner_name = "R820T";
497 /* check R828D ID register; reg=00 val=69 */
498 ret = rtl28xxu_ctrl_msg(d, &req_r828d);
499 if (ret == 0 && buf[0] == 0x69) {
500 dev->tuner = TUNER_RTL2832_R828D;
501 dev->tuner_name = "R828D";
505 /* GPIO0 and GPIO5 to reset Si2157/Si2168 tuner and demod */
506 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x00, 0x21);
510 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x00, 0x21);
516 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x21, 0x21);
520 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x21, 0x21);
526 /* check Si2157 ID register; reg=c0 val=80 */
527 ret = rtl28xxu_ctrl_msg(d, &req_si2157);
528 if (ret == 0 && ((buf[0] & 0x80) == 0x80)) {
529 dev->tuner = TUNER_RTL2832_SI2157;
530 dev->tuner_name = "SI2157";
535 dev_dbg(&d->intf->dev, "tuner=%s\n", dev->tuner_name);
537 /* probe slave demod */
538 if (dev->tuner == TUNER_RTL2832_R828D) {
539 /* power on MN88472 demod on GPIO0 */
540 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x01, 0x01);
544 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_DIR, 0x00, 0x01);
548 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x01, 0x01);
552 /* check MN88472 answers */
553 ret = rtl28xxu_ctrl_msg(d, &req_mn88472);
554 if (ret == 0 && buf[0] == 0x02) {
555 dev_dbg(&d->intf->dev, "MN88472 found\n");
556 dev->slave_demod = SLAVE_DEMOD_MN88472;
560 ret = rtl28xxu_ctrl_msg(d, &req_mn88473);
561 if (ret == 0 && buf[0] == 0x03) {
562 dev_dbg(&d->intf->dev, "MN88473 found\n");
563 dev->slave_demod = SLAVE_DEMOD_MN88473;
567 if (dev->tuner == TUNER_RTL2832_SI2157) {
568 /* check Si2168 ID register; reg=c8 val=80 */
569 ret = rtl28xxu_ctrl_msg(d, &req_si2168);
570 if (ret == 0 && ((buf[0] & 0x80) == 0x80)) {
571 dev_dbg(&d->intf->dev, "Si2168 found\n");
572 dev->slave_demod = SLAVE_DEMOD_SI2168;
578 /* close demod I2C gate */
579 ret = rtl28xxu_ctrl_msg(d, &req_gate_close);
585 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
589 static int rtl28xxu_read_config(struct dvb_usb_device *d)
591 struct rtl28xxu_dev *dev = d_to_priv(d);
593 if (dev->chip_id == CHIP_ID_RTL2831U)
594 return rtl2831u_read_config(d);
596 return rtl2832u_read_config(d);
599 static int rtl28xxu_identify_state(struct dvb_usb_device *d, const char **name)
601 struct rtl28xxu_dev *dev = d_to_priv(d);
603 struct rtl28xxu_req req_demod_i2c = {0x0020, CMD_I2C_DA_RD, 0, NULL};
605 dev_dbg(&d->intf->dev, "\n");
608 * Detect chip type using I2C command that is not supported
611 ret = rtl28xxu_ctrl_msg(d, &req_demod_i2c);
613 dev->chip_id = CHIP_ID_RTL2831U;
614 } else if (ret == 0) {
615 dev->chip_id = CHIP_ID_RTL2832U;
617 dev_err(&d->intf->dev, "chip type detection failed %d\n", ret);
620 dev_dbg(&d->intf->dev, "chip_id=%u\n", dev->chip_id);
624 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
628 static const struct rtl2830_platform_data rtl2830_mt2060_platform_data = {
633 .agc_targ_val = 0x2d,
637 static const struct rtl2830_platform_data rtl2830_qt1010_platform_data = {
642 .agc_targ_val = 0x2d,
645 static const struct rtl2830_platform_data rtl2830_mxl5005s_platform_data = {
650 .agc_targ_val = 0x3e,
653 static int rtl2831u_frontend_attach(struct dvb_usb_adapter *adap)
655 struct dvb_usb_device *d = adap_to_d(adap);
656 struct rtl28xxu_dev *dev = d_to_priv(d);
657 struct rtl2830_platform_data *pdata = &dev->rtl2830_platform_data;
658 struct i2c_board_info board_info;
659 struct i2c_client *client;
662 dev_dbg(&d->intf->dev, "\n");
664 switch (dev->tuner) {
665 case TUNER_RTL2830_QT1010:
666 *pdata = rtl2830_qt1010_platform_data;
668 case TUNER_RTL2830_MT2060:
669 *pdata = rtl2830_mt2060_platform_data;
671 case TUNER_RTL2830_MXL5005S:
672 *pdata = rtl2830_mxl5005s_platform_data;
675 dev_err(&d->intf->dev, "unknown tuner %s\n", dev->tuner_name);
680 /* attach demodulator */
681 memset(&board_info, 0, sizeof(board_info));
682 strlcpy(board_info.type, "rtl2830", I2C_NAME_SIZE);
683 board_info.addr = 0x10;
684 board_info.platform_data = pdata;
685 request_module("%s", board_info.type);
686 client = i2c_new_device(&d->i2c_adap, &board_info);
687 if (client == NULL || client->dev.driver == NULL) {
692 if (!try_module_get(client->dev.driver->owner)) {
693 i2c_unregister_device(client);
698 adap->fe[0] = pdata->get_dvb_frontend(client);
699 dev->demod_i2c_adapter = pdata->get_i2c_adapter(client);
701 dev->i2c_client_demod = client;
705 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
709 static const struct rtl2832_platform_data rtl2832_fc2580_platform_data = {
711 .tuner = TUNER_RTL2832_FC2580,
714 static const struct rtl2832_platform_data rtl2832_fc0012_platform_data = {
716 .tuner = TUNER_RTL2832_FC0012
719 static const struct rtl2832_platform_data rtl2832_fc0013_platform_data = {
721 .tuner = TUNER_RTL2832_FC0013
724 static const struct rtl2832_platform_data rtl2832_tua9001_platform_data = {
726 .tuner = TUNER_RTL2832_TUA9001,
729 static const struct rtl2832_platform_data rtl2832_e4000_platform_data = {
731 .tuner = TUNER_RTL2832_E4000,
734 static const struct rtl2832_platform_data rtl2832_r820t_platform_data = {
736 .tuner = TUNER_RTL2832_R820T,
739 static const struct rtl2832_platform_data rtl2832_si2157_platform_data = {
741 .tuner = TUNER_RTL2832_SI2157,
744 static int rtl2832u_fc0012_tuner_callback(struct dvb_usb_device *d,
750 dev_dbg(&d->intf->dev, "cmd=%d arg=%d\n", cmd, arg);
753 case FC_FE_CALLBACK_VHF_ENABLE:
754 /* set output values */
755 ret = rtl28xxu_rd_reg(d, SYS_GPIO_OUT_VAL, &val);
760 val &= 0xbf; /* set GPIO6 low */
762 val |= 0x40; /* set GPIO6 high */
765 ret = rtl28xxu_wr_reg(d, SYS_GPIO_OUT_VAL, val);
775 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
779 static int rtl2832u_tua9001_tuner_callback(struct dvb_usb_device *d,
785 dev_dbg(&d->intf->dev, "cmd=%d arg=%d\n", cmd, arg);
788 * CEN always enabled by hardware wiring
794 case TUA9001_CMD_RESETN:
800 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, val, 0x10);
804 case TUA9001_CMD_RXEN:
810 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, val, 0x02);
818 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
822 static int rtl2832u_frontend_callback(void *adapter_priv, int component,
825 struct i2c_adapter *adapter = adapter_priv;
826 struct device *parent = adapter->dev.parent;
827 struct i2c_adapter *parent_adapter;
828 struct dvb_usb_device *d;
829 struct rtl28xxu_dev *dev;
832 * All tuners are connected to demod muxed I2C adapter. We have to
833 * resolve its parent adapter in order to get handle for this driver
834 * private data. That is a bit hackish solution, GPIO or direct driver
835 * callback would be better...
837 if (parent != NULL && parent->type == &i2c_adapter_type)
838 parent_adapter = to_i2c_adapter(parent);
842 d = i2c_get_adapdata(parent_adapter);
845 dev_dbg(&d->intf->dev, "component=%d cmd=%d arg=%d\n",
846 component, cmd, arg);
849 case DVB_FRONTEND_COMPONENT_TUNER:
850 switch (dev->tuner) {
851 case TUNER_RTL2832_FC0012:
852 return rtl2832u_fc0012_tuner_callback(d, cmd, arg);
853 case TUNER_RTL2832_TUA9001:
854 return rtl2832u_tua9001_tuner_callback(d, cmd, arg);
861 static int rtl2832u_frontend_attach(struct dvb_usb_adapter *adap)
863 struct dvb_usb_device *d = adap_to_d(adap);
864 struct rtl28xxu_dev *dev = d_to_priv(d);
865 struct rtl2832_platform_data *pdata = &dev->rtl2832_platform_data;
866 struct i2c_board_info board_info;
867 struct i2c_client *client;
870 dev_dbg(&d->intf->dev, "\n");
872 switch (dev->tuner) {
873 case TUNER_RTL2832_FC0012:
874 *pdata = rtl2832_fc0012_platform_data;
876 case TUNER_RTL2832_FC0013:
877 *pdata = rtl2832_fc0013_platform_data;
879 case TUNER_RTL2832_FC2580:
880 *pdata = rtl2832_fc2580_platform_data;
882 case TUNER_RTL2832_TUA9001:
883 *pdata = rtl2832_tua9001_platform_data;
885 case TUNER_RTL2832_E4000:
886 *pdata = rtl2832_e4000_platform_data;
888 case TUNER_RTL2832_R820T:
889 case TUNER_RTL2832_R828D:
890 *pdata = rtl2832_r820t_platform_data;
892 case TUNER_RTL2832_SI2157:
893 *pdata = rtl2832_si2157_platform_data;
896 dev_err(&d->intf->dev, "unknown tuner %s\n", dev->tuner_name);
901 /* attach demodulator */
902 memset(&board_info, 0, sizeof(board_info));
903 strlcpy(board_info.type, "rtl2832", I2C_NAME_SIZE);
904 board_info.addr = 0x10;
905 board_info.platform_data = pdata;
906 request_module("%s", board_info.type);
907 client = i2c_new_device(&d->i2c_adap, &board_info);
908 if (client == NULL || client->dev.driver == NULL) {
913 if (!try_module_get(client->dev.driver->owner)) {
914 i2c_unregister_device(client);
919 adap->fe[0] = pdata->get_dvb_frontend(client);
920 dev->demod_i2c_adapter = pdata->get_i2c_adapter(client);
922 dev->i2c_client_demod = client;
924 /* set fe callback */
925 adap->fe[0]->callback = rtl2832u_frontend_callback;
927 if (dev->slave_demod) {
928 struct i2c_board_info info = {};
931 * We continue on reduced mode, without DVB-T2/C, using master
932 * demod, when slave demod fails.
936 /* attach slave demodulator */
937 if (dev->slave_demod == SLAVE_DEMOD_MN88472) {
938 struct mn88472_config mn88472_config = {};
940 mn88472_config.fe = &adap->fe[1];
941 mn88472_config.i2c_wr_max = 22,
942 strlcpy(info.type, "mn88472", I2C_NAME_SIZE);
943 mn88472_config.xtal = 20500000;
944 mn88472_config.ts_mode = SERIAL_TS_MODE;
945 mn88472_config.ts_clock = VARIABLE_TS_CLOCK;
947 info.platform_data = &mn88472_config;
948 request_module(info.type);
949 client = i2c_new_device(&d->i2c_adap, &info);
950 if (client == NULL || client->dev.driver == NULL) {
951 dev->slave_demod = SLAVE_DEMOD_NONE;
952 goto err_slave_demod_failed;
955 if (!try_module_get(client->dev.driver->owner)) {
956 i2c_unregister_device(client);
957 dev->slave_demod = SLAVE_DEMOD_NONE;
958 goto err_slave_demod_failed;
961 dev->i2c_client_slave_demod = client;
962 } else if (dev->slave_demod == SLAVE_DEMOD_MN88473) {
963 struct mn88473_config mn88473_config = {};
965 mn88473_config.fe = &adap->fe[1];
966 mn88473_config.i2c_wr_max = 22,
967 strlcpy(info.type, "mn88473", I2C_NAME_SIZE);
969 info.platform_data = &mn88473_config;
970 request_module(info.type);
971 client = i2c_new_device(&d->i2c_adap, &info);
972 if (client == NULL || client->dev.driver == NULL) {
973 dev->slave_demod = SLAVE_DEMOD_NONE;
974 goto err_slave_demod_failed;
977 if (!try_module_get(client->dev.driver->owner)) {
978 i2c_unregister_device(client);
979 dev->slave_demod = SLAVE_DEMOD_NONE;
980 goto err_slave_demod_failed;
983 dev->i2c_client_slave_demod = client;
985 struct si2168_config si2168_config = {};
986 struct i2c_adapter *adapter;
988 si2168_config.i2c_adapter = &adapter;
989 si2168_config.fe = &adap->fe[1];
990 si2168_config.ts_mode = SI2168_TS_SERIAL;
991 si2168_config.ts_clock_inv = false;
992 si2168_config.ts_clock_gapped = true;
993 strlcpy(info.type, "si2168", I2C_NAME_SIZE);
995 info.platform_data = &si2168_config;
996 request_module(info.type);
997 client = i2c_new_device(&d->i2c_adap, &info);
998 if (client == NULL || client->dev.driver == NULL) {
999 dev->slave_demod = SLAVE_DEMOD_NONE;
1000 goto err_slave_demod_failed;
1003 if (!try_module_get(client->dev.driver->owner)) {
1004 i2c_unregister_device(client);
1005 dev->slave_demod = SLAVE_DEMOD_NONE;
1006 goto err_slave_demod_failed;
1009 dev->i2c_client_slave_demod = client;
1011 /* for Si2168 devices use only new I2C write method */
1012 dev->new_i2c_write = true;
1016 err_slave_demod_failed:
1018 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1022 static int rtl28xxu_frontend_attach(struct dvb_usb_adapter *adap)
1024 struct rtl28xxu_dev *dev = adap_to_priv(adap);
1026 if (dev->chip_id == CHIP_ID_RTL2831U)
1027 return rtl2831u_frontend_attach(adap);
1029 return rtl2832u_frontend_attach(adap);
1032 static int rtl28xxu_frontend_detach(struct dvb_usb_adapter *adap)
1034 struct dvb_usb_device *d = adap_to_d(adap);
1035 struct rtl28xxu_dev *dev = d_to_priv(d);
1036 struct i2c_client *client;
1038 dev_dbg(&d->intf->dev, "\n");
1040 /* remove I2C slave demod */
1041 client = dev->i2c_client_slave_demod;
1043 module_put(client->dev.driver->owner);
1044 i2c_unregister_device(client);
1047 /* remove I2C demod */
1048 client = dev->i2c_client_demod;
1050 module_put(client->dev.driver->owner);
1051 i2c_unregister_device(client);
1057 static struct qt1010_config rtl28xxu_qt1010_config = {
1058 .i2c_address = 0x62, /* 0xc4 */
1061 static struct mt2060_config rtl28xxu_mt2060_config = {
1062 .i2c_address = 0x60, /* 0xc0 */
1066 static struct mxl5005s_config rtl28xxu_mxl5005s_config = {
1067 .i2c_address = 0x63, /* 0xc6 */
1068 .if_freq = IF_FREQ_4570000HZ,
1069 .xtal_freq = CRYSTAL_FREQ_16000000HZ,
1070 .agc_mode = MXL_SINGLE_AGC,
1071 .tracking_filter = MXL_TF_C_H,
1072 .rssi_enable = MXL_RSSI_ENABLE,
1073 .cap_select = MXL_CAP_SEL_ENABLE,
1074 .div_out = MXL_DIV_OUT_4,
1075 .clock_out = MXL_CLOCK_OUT_DISABLE,
1076 .output_load = MXL5005S_IF_OUTPUT_LOAD_200_OHM,
1077 .top = MXL5005S_TOP_25P2,
1078 .mod_mode = MXL_DIGITAL_MODE,
1079 .if_mode = MXL_ZERO_IF,
1080 .AgcMasterByte = 0x00,
1083 static int rtl2831u_tuner_attach(struct dvb_usb_adapter *adap)
1086 struct dvb_usb_device *d = adap_to_d(adap);
1087 struct rtl28xxu_dev *dev = d_to_priv(d);
1088 struct dvb_frontend *fe;
1090 dev_dbg(&d->intf->dev, "\n");
1092 switch (dev->tuner) {
1093 case TUNER_RTL2830_QT1010:
1094 fe = dvb_attach(qt1010_attach, adap->fe[0],
1095 dev->demod_i2c_adapter,
1096 &rtl28xxu_qt1010_config);
1098 case TUNER_RTL2830_MT2060:
1099 fe = dvb_attach(mt2060_attach, adap->fe[0],
1100 dev->demod_i2c_adapter,
1101 &rtl28xxu_mt2060_config, 1220);
1103 case TUNER_RTL2830_MXL5005S:
1104 fe = dvb_attach(mxl5005s_attach, adap->fe[0],
1105 dev->demod_i2c_adapter,
1106 &rtl28xxu_mxl5005s_config);
1110 dev_err(&d->intf->dev, "unknown tuner %d\n", dev->tuner);
1120 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1124 static const struct fc0012_config rtl2832u_fc0012_config = {
1125 .i2c_address = 0x63, /* 0xc6 >> 1 */
1126 .xtal_freq = FC_XTAL_28_8_MHZ,
1129 static const struct r820t_config rtl2832u_r820t_config = {
1132 .max_i2c_msg_len = 2,
1133 .rafael_chip = CHIP_R820T,
1136 static const struct r820t_config rtl2832u_r828d_config = {
1139 .max_i2c_msg_len = 2,
1140 .rafael_chip = CHIP_R828D,
1143 static int rtl2832u_tuner_attach(struct dvb_usb_adapter *adap)
1146 struct dvb_usb_device *d = adap_to_d(adap);
1147 struct rtl28xxu_dev *dev = d_to_priv(d);
1148 struct dvb_frontend *fe = NULL;
1149 struct i2c_board_info info;
1150 struct i2c_client *client;
1151 struct v4l2_subdev *subdev = NULL;
1152 struct platform_device *pdev;
1153 struct rtl2832_sdr_platform_data pdata;
1155 dev_dbg(&d->intf->dev, "\n");
1157 memset(&info, 0, sizeof(struct i2c_board_info));
1158 memset(&pdata, 0, sizeof(pdata));
1160 switch (dev->tuner) {
1161 case TUNER_RTL2832_FC0012:
1162 fe = dvb_attach(fc0012_attach, adap->fe[0],
1163 dev->demod_i2c_adapter, &rtl2832u_fc0012_config);
1165 /* since fc0012 includs reading the signal strength delegate
1166 * that to the tuner driver */
1167 adap->fe[0]->ops.read_signal_strength =
1168 adap->fe[0]->ops.tuner_ops.get_rf_strength;
1170 case TUNER_RTL2832_FC0013:
1171 fe = dvb_attach(fc0013_attach, adap->fe[0],
1172 dev->demod_i2c_adapter, 0xc6>>1, 0, FC_XTAL_28_8_MHZ);
1174 /* fc0013 also supports signal strength reading */
1175 adap->fe[0]->ops.read_signal_strength =
1176 adap->fe[0]->ops.tuner_ops.get_rf_strength;
1178 case TUNER_RTL2832_E4000: {
1179 struct e4000_config e4000_config = {
1184 strlcpy(info.type, "e4000", I2C_NAME_SIZE);
1186 info.platform_data = &e4000_config;
1188 request_module(info.type);
1189 client = i2c_new_device(dev->demod_i2c_adapter, &info);
1190 if (client == NULL || client->dev.driver == NULL)
1193 if (!try_module_get(client->dev.driver->owner)) {
1194 i2c_unregister_device(client);
1198 dev->i2c_client_tuner = client;
1199 subdev = i2c_get_clientdata(client);
1202 case TUNER_RTL2832_FC2580: {
1203 struct fc2580_platform_data fc2580_pdata = {
1204 .dvb_frontend = adap->fe[0],
1206 struct i2c_board_info board_info = {};
1208 strlcpy(board_info.type, "fc2580", I2C_NAME_SIZE);
1209 board_info.addr = 0x56;
1210 board_info.platform_data = &fc2580_pdata;
1211 request_module("fc2580");
1212 client = i2c_new_device(dev->demod_i2c_adapter,
1214 if (client == NULL || client->dev.driver == NULL)
1216 if (!try_module_get(client->dev.driver->owner)) {
1217 i2c_unregister_device(client);
1220 dev->i2c_client_tuner = client;
1221 subdev = fc2580_pdata.get_v4l2_subdev(client);
1224 case TUNER_RTL2832_TUA9001: {
1225 struct tua9001_platform_data tua9001_pdata = {
1226 .dvb_frontend = adap->fe[0],
1228 struct i2c_board_info board_info = {};
1230 /* enable GPIO1 and GPIO4 as output */
1231 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_DIR, 0x00, 0x12);
1235 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x12, 0x12);
1239 strlcpy(board_info.type, "tua9001", I2C_NAME_SIZE);
1240 board_info.addr = 0x60;
1241 board_info.platform_data = &tua9001_pdata;
1242 request_module("tua9001");
1243 client = i2c_new_device(dev->demod_i2c_adapter, &board_info);
1244 if (client == NULL || client->dev.driver == NULL)
1246 if (!try_module_get(client->dev.driver->owner)) {
1247 i2c_unregister_device(client);
1250 dev->i2c_client_tuner = client;
1253 case TUNER_RTL2832_R820T:
1254 fe = dvb_attach(r820t_attach, adap->fe[0],
1255 dev->demod_i2c_adapter,
1256 &rtl2832u_r820t_config);
1258 /* Use tuner to get the signal strength */
1259 adap->fe[0]->ops.read_signal_strength =
1260 adap->fe[0]->ops.tuner_ops.get_rf_strength;
1262 case TUNER_RTL2832_R828D:
1263 fe = dvb_attach(r820t_attach, adap->fe[0],
1264 dev->demod_i2c_adapter,
1265 &rtl2832u_r828d_config);
1266 adap->fe[0]->ops.read_signal_strength =
1267 adap->fe[0]->ops.tuner_ops.get_rf_strength;
1270 fe = dvb_attach(r820t_attach, adap->fe[1],
1271 dev->demod_i2c_adapter,
1272 &rtl2832u_r828d_config);
1273 adap->fe[1]->ops.read_signal_strength =
1274 adap->fe[1]->ops.tuner_ops.get_rf_strength;
1277 case TUNER_RTL2832_SI2157: {
1278 struct si2157_config si2157_config = {
1284 strlcpy(info.type, "si2157", I2C_NAME_SIZE);
1286 info.platform_data = &si2157_config;
1287 request_module(info.type);
1288 client = i2c_new_device(&d->i2c_adap, &info);
1289 if (client == NULL || client->dev.driver == NULL)
1292 if (!try_module_get(client->dev.driver->owner)) {
1293 i2c_unregister_device(client);
1297 dev->i2c_client_tuner = client;
1298 subdev = i2c_get_clientdata(client);
1300 /* copy tuner ops for 2nd FE as tuner is shared */
1302 adap->fe[1]->tuner_priv =
1303 adap->fe[0]->tuner_priv;
1304 memcpy(&adap->fe[1]->ops.tuner_ops,
1305 &adap->fe[0]->ops.tuner_ops,
1306 sizeof(struct dvb_tuner_ops));
1311 dev_err(&d->intf->dev, "unknown tuner %d\n", dev->tuner);
1313 if (fe == NULL && dev->i2c_client_tuner == NULL) {
1319 switch (dev->tuner) {
1320 case TUNER_RTL2832_FC2580:
1321 case TUNER_RTL2832_FC0012:
1322 case TUNER_RTL2832_FC0013:
1323 case TUNER_RTL2832_E4000:
1324 case TUNER_RTL2832_R820T:
1325 case TUNER_RTL2832_R828D:
1326 pdata.clk = dev->rtl2832_platform_data.clk;
1327 pdata.tuner = dev->tuner;
1328 pdata.i2c_client = dev->i2c_client_demod;
1329 pdata.bulk_read = dev->rtl2832_platform_data.bulk_read;
1330 pdata.bulk_write = dev->rtl2832_platform_data.bulk_write;
1331 pdata.update_bits = dev->rtl2832_platform_data.update_bits;
1332 pdata.dvb_frontend = adap->fe[0];
1333 pdata.dvb_usb_device = d;
1334 pdata.v4l2_subdev = subdev;
1336 request_module("%s", "rtl2832_sdr");
1337 pdev = platform_device_register_data(&d->intf->dev,
1339 PLATFORM_DEVID_AUTO,
1340 &pdata, sizeof(pdata));
1341 if (IS_ERR(pdev) || pdev->dev.driver == NULL)
1343 dev->platform_device_sdr = pdev;
1346 dev_dbg(&d->intf->dev, "no SDR for tuner=%d\n", dev->tuner);
1351 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1355 static int rtl28xxu_tuner_attach(struct dvb_usb_adapter *adap)
1357 struct rtl28xxu_dev *dev = adap_to_priv(adap);
1359 if (dev->chip_id == CHIP_ID_RTL2831U)
1360 return rtl2831u_tuner_attach(adap);
1362 return rtl2832u_tuner_attach(adap);
1365 static int rtl28xxu_tuner_detach(struct dvb_usb_adapter *adap)
1367 struct dvb_usb_device *d = adap_to_d(adap);
1368 struct rtl28xxu_dev *dev = d_to_priv(d);
1369 struct i2c_client *client;
1370 struct platform_device *pdev;
1372 dev_dbg(&d->intf->dev, "\n");
1374 /* remove platform SDR */
1375 pdev = dev->platform_device_sdr;
1377 platform_device_unregister(pdev);
1379 /* remove I2C tuner */
1380 client = dev->i2c_client_tuner;
1382 module_put(client->dev.driver->owner);
1383 i2c_unregister_device(client);
1389 static int rtl28xxu_init(struct dvb_usb_device *d)
1394 dev_dbg(&d->intf->dev, "\n");
1396 /* init USB endpoints */
1397 ret = rtl28xxu_rd_reg(d, USB_SYSCTL_0, &val);
1401 /* enable DMA and Full Packet Mode*/
1403 ret = rtl28xxu_wr_reg(d, USB_SYSCTL_0, val);
1407 /* set EPA maximum packet size to 0x0200 */
1408 ret = rtl28xxu_wr_regs(d, USB_EPA_MAXPKT, "\x00\x02\x00\x00", 4);
1412 /* change EPA FIFO length */
1413 ret = rtl28xxu_wr_regs(d, USB_EPA_FIFO_CFG, "\x14\x00\x00\x00", 4);
1419 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1423 static int rtl2831u_power_ctrl(struct dvb_usb_device *d, int onoff)
1426 u8 gpio, sys0, epa_ctl[2];
1428 dev_dbg(&d->intf->dev, "onoff=%d\n", onoff);
1431 ret = rtl28xxu_rd_reg(d, SYS_SYS0, &sys0);
1435 /* tuner power, read GPIOs */
1436 ret = rtl28xxu_rd_reg(d, SYS_GPIO_OUT_VAL, &gpio);
1440 dev_dbg(&d->intf->dev, "RD SYS0=%02x GPIO_OUT_VAL=%02x\n", sys0, gpio);
1443 gpio |= 0x01; /* GPIO0 = 1 */
1444 gpio &= (~0x10); /* GPIO4 = 0 */
1445 gpio |= 0x04; /* GPIO2 = 1, LED on */
1448 epa_ctl[0] = 0x00; /* clear stall */
1449 epa_ctl[1] = 0x00; /* clear reset */
1451 gpio &= (~0x01); /* GPIO0 = 0 */
1452 gpio |= 0x10; /* GPIO4 = 1 */
1453 gpio &= (~0x04); /* GPIO2 = 1, LED off */
1454 sys0 = sys0 & (~0xc0);
1455 epa_ctl[0] = 0x10; /* set stall */
1456 epa_ctl[1] = 0x02; /* set reset */
1459 dev_dbg(&d->intf->dev, "WR SYS0=%02x GPIO_OUT_VAL=%02x\n", sys0, gpio);
1462 ret = rtl28xxu_wr_reg(d, SYS_SYS0, sys0);
1466 /* tuner power, write GPIOs */
1467 ret = rtl28xxu_wr_reg(d, SYS_GPIO_OUT_VAL, gpio);
1471 /* streaming EP: stall & reset */
1472 ret = rtl28xxu_wr_regs(d, USB_EPA_CTL, epa_ctl, 2);
1477 usb_clear_halt(d->udev, usb_rcvbulkpipe(d->udev, 0x81));
1481 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1485 static int rtl2832u_power_ctrl(struct dvb_usb_device *d, int onoff)
1489 dev_dbg(&d->intf->dev, "onoff=%d\n", onoff);
1492 /* GPIO3=1, GPIO4=0 */
1493 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x08, 0x18);
1498 ret = rtl28xxu_wr_reg_mask(d, SYS_DEMOD_CTL1, 0x00, 0x10);
1503 ret = rtl28xxu_wr_reg_mask(d, SYS_DEMOD_CTL, 0x80, 0x80);
1508 ret = rtl28xxu_wr_reg_mask(d, SYS_DEMOD_CTL, 0x20, 0x20);
1512 /* streaming EP: clear stall & reset */
1513 ret = rtl28xxu_wr_regs(d, USB_EPA_CTL, "\x00\x00", 2);
1517 ret = usb_clear_halt(d->udev, usb_rcvbulkpipe(d->udev, 0x81));
1522 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x10, 0x10);
1527 ret = rtl28xxu_wr_reg_mask(d, SYS_DEMOD_CTL, 0x00, 0x80);
1531 /* streaming EP: set stall & reset */
1532 ret = rtl28xxu_wr_regs(d, USB_EPA_CTL, "\x10\x02", 2);
1539 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1543 static int rtl28xxu_power_ctrl(struct dvb_usb_device *d, int onoff)
1545 struct rtl28xxu_dev *dev = d_to_priv(d);
1547 if (dev->chip_id == CHIP_ID_RTL2831U)
1548 return rtl2831u_power_ctrl(d, onoff);
1550 return rtl2832u_power_ctrl(d, onoff);
1553 static int rtl28xxu_frontend_ctrl(struct dvb_frontend *fe, int onoff)
1555 struct dvb_usb_device *d = fe_to_d(fe);
1556 struct rtl28xxu_dev *dev = fe_to_priv(fe);
1557 struct rtl2832_platform_data *pdata = &dev->rtl2832_platform_data;
1561 dev_dbg(&d->intf->dev, "fe=%d onoff=%d\n", fe->id, onoff);
1563 if (dev->chip_id == CHIP_ID_RTL2831U)
1566 /* control internal demod ADC */
1567 if (fe->id == 0 && onoff)
1568 val = 0x48; /* enable ADC */
1570 val = 0x00; /* disable ADC */
1572 ret = rtl28xxu_wr_reg_mask(d, SYS_DEMOD_CTL, val, 0x48);
1576 /* bypass slave demod TS through master demod */
1577 if (fe->id == 1 && onoff) {
1578 ret = pdata->enable_slave_ts(dev->i2c_client_demod);
1585 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1589 #if IS_ENABLED(CONFIG_RC_CORE)
1590 static int rtl2831u_rc_query(struct dvb_usb_device *d)
1593 struct rtl28xxu_dev *dev = d->priv;
1596 struct rtl28xxu_reg_val rc_nec_tab[] = {
1613 /* init remote controller */
1614 if (!dev->rc_active) {
1615 for (i = 0; i < ARRAY_SIZE(rc_nec_tab); i++) {
1616 ret = rtl28xxu_wr_reg(d, rc_nec_tab[i].reg,
1621 dev->rc_active = true;
1624 ret = rtl28xxu_rd_regs(d, SYS_IRRC_RP, buf, 5);
1628 if (buf[4] & 0x01) {
1629 if (buf[2] == (u8) ~buf[3]) {
1630 if (buf[0] == (u8) ~buf[1]) {
1631 /* NEC standard (16 bit) */
1632 rc_code = RC_SCANCODE_NEC(buf[0], buf[2]);
1634 /* NEC extended (24 bit) */
1635 rc_code = RC_SCANCODE_NECX(buf[0] << 8 | buf[1],
1639 /* NEC full (32 bit) */
1640 rc_code = RC_SCANCODE_NEC32(buf[0] << 24 | buf[1] << 16 |
1641 buf[2] << 8 | buf[3]);
1644 rc_keydown(d->rc_dev, RC_TYPE_NEC, rc_code, 0);
1646 ret = rtl28xxu_wr_reg(d, SYS_IRRC_SR, 1);
1650 /* repeated intentionally to avoid extra keypress */
1651 ret = rtl28xxu_wr_reg(d, SYS_IRRC_SR, 1);
1658 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1662 static int rtl2831u_get_rc_config(struct dvb_usb_device *d,
1663 struct dvb_usb_rc *rc)
1665 rc->map_name = RC_MAP_EMPTY;
1666 rc->allowed_protos = RC_BIT_NEC;
1667 rc->query = rtl2831u_rc_query;
1673 static int rtl2832u_rc_query(struct dvb_usb_device *d)
1676 struct rtl28xxu_dev *dev = d->priv;
1677 struct ir_raw_event ev;
1679 static const struct rtl28xxu_reg_val_mask refresh_tab[] = {
1680 {IR_RX_IF, 0x03, 0xff},
1681 {IR_RX_BUF_CTRL, 0x80, 0xff},
1682 {IR_RX_CTRL, 0x80, 0xff},
1685 /* init remote controller */
1686 if (!dev->rc_active) {
1687 static const struct rtl28xxu_reg_val_mask init_tab[] = {
1688 {SYS_DEMOD_CTL1, 0x00, 0x04},
1689 {SYS_DEMOD_CTL1, 0x00, 0x08},
1690 {USB_CTRL, 0x20, 0x20},
1691 {SYS_GPIO_DIR, 0x00, 0x08},
1692 {SYS_GPIO_OUT_EN, 0x08, 0x08},
1693 {SYS_GPIO_OUT_VAL, 0x08, 0x08},
1694 {IR_MAX_DURATION0, 0xd0, 0xff},
1695 {IR_MAX_DURATION1, 0x07, 0xff},
1696 {IR_IDLE_LEN0, 0xc0, 0xff},
1697 {IR_IDLE_LEN1, 0x00, 0xff},
1698 {IR_GLITCH_LEN, 0x03, 0xff},
1699 {IR_RX_CLK, 0x09, 0xff},
1700 {IR_RX_CFG, 0x1c, 0xff},
1701 {IR_MAX_H_TOL_LEN, 0x1e, 0xff},
1702 {IR_MAX_L_TOL_LEN, 0x1e, 0xff},
1703 {IR_RX_CTRL, 0x80, 0xff},
1706 for (i = 0; i < ARRAY_SIZE(init_tab); i++) {
1707 ret = rtl28xxu_wr_reg_mask(d, init_tab[i].reg,
1708 init_tab[i].val, init_tab[i].mask);
1713 dev->rc_active = true;
1716 ret = rtl28xxu_rd_reg(d, IR_RX_IF, &buf[0]);
1723 ret = rtl28xxu_rd_reg(d, IR_RX_BC, &buf[0]);
1729 /* read raw code from hw */
1730 ret = rtl28xxu_rd_regs(d, IR_RX_BUF, buf, len);
1734 /* let hw receive new code */
1735 for (i = 0; i < ARRAY_SIZE(refresh_tab); i++) {
1736 ret = rtl28xxu_wr_reg_mask(d, refresh_tab[i].reg,
1737 refresh_tab[i].val, refresh_tab[i].mask);
1742 /* pass data to Kernel IR decoder */
1743 init_ir_raw_event(&ev);
1745 for (i = 0; i < len; i++) {
1746 ev.pulse = buf[i] >> 7;
1747 ev.duration = 50800 * (buf[i] & 0x7f);
1748 ir_raw_event_store_with_filter(d->rc_dev, &ev);
1751 /* 'flush'Â ir_raw_event_store_with_filter() */
1752 ir_raw_event_set_idle(d->rc_dev, true);
1753 ir_raw_event_handle(d->rc_dev);
1757 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1761 static int rtl2832u_get_rc_config(struct dvb_usb_device *d,
1762 struct dvb_usb_rc *rc)
1764 /* disable IR interrupts in order to avoid SDR sample loss */
1765 if (rtl28xxu_disable_rc)
1766 return rtl28xxu_wr_reg(d, IR_RX_IE, 0x00);
1768 /* load empty to enable rc */
1770 rc->map_name = RC_MAP_EMPTY;
1771 rc->allowed_protos = RC_BIT_ALL;
1772 rc->driver_type = RC_DRIVER_IR_RAW;
1773 rc->query = rtl2832u_rc_query;
1779 static int rtl28xxu_get_rc_config(struct dvb_usb_device *d,
1780 struct dvb_usb_rc *rc)
1782 struct rtl28xxu_dev *dev = d_to_priv(d);
1784 if (dev->chip_id == CHIP_ID_RTL2831U)
1785 return rtl2831u_get_rc_config(d, rc);
1787 return rtl2832u_get_rc_config(d, rc);
1790 #define rtl28xxu_get_rc_config NULL
1793 static int rtl28xxu_pid_filter_ctrl(struct dvb_usb_adapter *adap, int onoff)
1795 struct rtl28xxu_dev *dev = adap_to_priv(adap);
1797 if (dev->chip_id == CHIP_ID_RTL2831U) {
1798 struct rtl2830_platform_data *pdata = &dev->rtl2830_platform_data;
1800 return pdata->pid_filter_ctrl(adap->fe[0], onoff);
1802 struct rtl2832_platform_data *pdata = &dev->rtl2832_platform_data;
1804 return pdata->pid_filter_ctrl(adap->fe[0], onoff);
1808 static int rtl28xxu_pid_filter(struct dvb_usb_adapter *adap, int index,
1811 struct rtl28xxu_dev *dev = adap_to_priv(adap);
1813 if (dev->chip_id == CHIP_ID_RTL2831U) {
1814 struct rtl2830_platform_data *pdata = &dev->rtl2830_platform_data;
1816 return pdata->pid_filter(adap->fe[0], index, pid, onoff);
1818 struct rtl2832_platform_data *pdata = &dev->rtl2832_platform_data;
1820 return pdata->pid_filter(adap->fe[0], index, pid, onoff);
1824 static const struct dvb_usb_device_properties rtl28xxu_props = {
1825 .driver_name = KBUILD_MODNAME,
1826 .owner = THIS_MODULE,
1827 .adapter_nr = adapter_nr,
1828 .size_of_priv = sizeof(struct rtl28xxu_dev),
1830 .identify_state = rtl28xxu_identify_state,
1831 .power_ctrl = rtl28xxu_power_ctrl,
1832 .frontend_ctrl = rtl28xxu_frontend_ctrl,
1833 .i2c_algo = &rtl28xxu_i2c_algo,
1834 .read_config = rtl28xxu_read_config,
1835 .frontend_attach = rtl28xxu_frontend_attach,
1836 .frontend_detach = rtl28xxu_frontend_detach,
1837 .tuner_attach = rtl28xxu_tuner_attach,
1838 .tuner_detach = rtl28xxu_tuner_detach,
1839 .init = rtl28xxu_init,
1840 .get_rc_config = rtl28xxu_get_rc_config,
1845 .caps = DVB_USB_ADAP_HAS_PID_FILTER |
1846 DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
1848 .pid_filter_count = 32,
1849 .pid_filter_ctrl = rtl28xxu_pid_filter_ctrl,
1850 .pid_filter = rtl28xxu_pid_filter,
1852 .stream = DVB_USB_STREAM_BULK(0x81, 6, 8 * 512),
1857 static const struct usb_device_id rtl28xxu_id_table[] = {
1858 /* RTL2831U devices: */
1859 { DVB_USB_DEVICE(USB_VID_REALTEK, USB_PID_REALTEK_RTL2831U,
1860 &rtl28xxu_props, "Realtek RTL2831U reference design", NULL) },
1861 { DVB_USB_DEVICE(USB_VID_WIDEVIEW, USB_PID_FREECOM_DVBT,
1862 &rtl28xxu_props, "Freecom USB2.0 DVB-T", NULL) },
1863 { DVB_USB_DEVICE(USB_VID_WIDEVIEW, USB_PID_FREECOM_DVBT_2,
1864 &rtl28xxu_props, "Freecom USB2.0 DVB-T", NULL) },
1866 /* RTL2832U devices: */
1867 { DVB_USB_DEVICE(USB_VID_REALTEK, 0x2832,
1868 &rtl28xxu_props, "Realtek RTL2832U reference design", NULL) },
1869 { DVB_USB_DEVICE(USB_VID_REALTEK, 0x2838,
1870 &rtl28xxu_props, "Realtek RTL2832U reference design", NULL) },
1871 { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_CINERGY_T_STICK_BLACK_REV1,
1872 &rtl28xxu_props, "TerraTec Cinergy T Stick Black", RC_MAP_TERRATEC_SLIM) },
1873 { DVB_USB_DEVICE(USB_VID_GTEK, USB_PID_DELOCK_USB2_DVBT,
1874 &rtl28xxu_props, "G-Tek Electronics Group Lifeview LV5TDLX DVB-T", NULL) },
1875 { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_NOXON_DAB_STICK,
1876 &rtl28xxu_props, "TerraTec NOXON DAB Stick", NULL) },
1877 { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_NOXON_DAB_STICK_REV2,
1878 &rtl28xxu_props, "TerraTec NOXON DAB Stick (rev 2)", NULL) },
1879 { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_NOXON_DAB_STICK_REV3,
1880 &rtl28xxu_props, "TerraTec NOXON DAB Stick (rev 3)", NULL) },
1881 { DVB_USB_DEVICE(USB_VID_GTEK, USB_PID_TREKSTOR_TERRES_2_0,
1882 &rtl28xxu_props, "Trekstor DVB-T Stick Terres 2.0", NULL) },
1883 { DVB_USB_DEVICE(USB_VID_DEXATEK, 0x1101,
1884 &rtl28xxu_props, "Dexatek DK DVB-T Dongle", NULL) },
1885 { DVB_USB_DEVICE(USB_VID_LEADTEK, 0x6680,
1886 &rtl28xxu_props, "DigitalNow Quad DVB-T Receiver", NULL) },
1887 { DVB_USB_DEVICE(USB_VID_LEADTEK, USB_PID_WINFAST_DTV_DONGLE_MINID,
1888 &rtl28xxu_props, "Leadtek Winfast DTV Dongle Mini D", NULL) },
1889 { DVB_USB_DEVICE(USB_VID_LEADTEK, USB_PID_WINFAST_DTV2000DS_PLUS,
1890 &rtl28xxu_props, "Leadtek WinFast DTV2000DS Plus", RC_MAP_LEADTEK_Y04G0051) },
1891 { DVB_USB_DEVICE(USB_VID_TERRATEC, 0x00d3,
1892 &rtl28xxu_props, "TerraTec Cinergy T Stick RC (Rev. 3)", NULL) },
1893 { DVB_USB_DEVICE(USB_VID_DEXATEK, 0x1102,
1894 &rtl28xxu_props, "Dexatek DK mini DVB-T Dongle", NULL) },
1895 { DVB_USB_DEVICE(USB_VID_TERRATEC, 0x00d7,
1896 &rtl28xxu_props, "TerraTec Cinergy T Stick+", NULL) },
1897 { DVB_USB_DEVICE(USB_VID_KWORLD_2, 0xd3a8,
1898 &rtl28xxu_props, "ASUS My Cinema-U3100Mini Plus V2", NULL) },
1899 { DVB_USB_DEVICE(USB_VID_KWORLD_2, 0xd393,
1900 &rtl28xxu_props, "GIGABYTE U7300", NULL) },
1901 { DVB_USB_DEVICE(USB_VID_DEXATEK, 0x1104,
1902 &rtl28xxu_props, "MSI DIGIVOX Micro HD", NULL) },
1903 { DVB_USB_DEVICE(USB_VID_COMPRO, 0x0620,
1904 &rtl28xxu_props, "Compro VideoMate U620F", NULL) },
1905 { DVB_USB_DEVICE(USB_VID_COMPRO, 0x0650,
1906 &rtl28xxu_props, "Compro VideoMate U650F", NULL) },
1907 { DVB_USB_DEVICE(USB_VID_KWORLD_2, 0xd394,
1908 &rtl28xxu_props, "MaxMedia HU394-T", NULL) },
1909 { DVB_USB_DEVICE(USB_VID_LEADTEK, 0x6a03,
1910 &rtl28xxu_props, "Leadtek WinFast DTV Dongle mini", NULL) },
1911 { DVB_USB_DEVICE(USB_VID_GTEK, USB_PID_CPYTO_REDI_PC50A,
1912 &rtl28xxu_props, "Crypto ReDi PC 50 A", NULL) },
1913 { DVB_USB_DEVICE(USB_VID_KYE, 0x707f,
1914 &rtl28xxu_props, "Genius TVGo DVB-T03", NULL) },
1915 { DVB_USB_DEVICE(USB_VID_KWORLD_2, 0xd395,
1916 &rtl28xxu_props, "Peak DVB-T USB", NULL) },
1917 { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_SVEON_STV20_RTL2832U,
1918 &rtl28xxu_props, "Sveon STV20", NULL) },
1919 { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_SVEON_STV21,
1920 &rtl28xxu_props, "Sveon STV21", NULL) },
1921 { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_SVEON_STV27,
1922 &rtl28xxu_props, "Sveon STV27", NULL) },
1923 { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_TURBOX_DTT_2000,
1924 &rtl28xxu_props, "TURBO-X Pure TV Tuner DTT-2000", NULL) },
1926 /* RTL2832P devices: */
1927 { DVB_USB_DEVICE(USB_VID_HANFTEK, 0x0131,
1928 &rtl28xxu_props, "Astrometa DVB-T2", NULL) },
1929 { DVB_USB_DEVICE(0x5654, 0xca42,
1930 &rtl28xxu_props, "GoTView MasterHD 3", NULL) },
1933 MODULE_DEVICE_TABLE(usb, rtl28xxu_id_table);
1935 static struct usb_driver rtl28xxu_usb_driver = {
1936 .name = KBUILD_MODNAME,
1937 .id_table = rtl28xxu_id_table,
1938 .probe = dvb_usbv2_probe,
1939 .disconnect = dvb_usbv2_disconnect,
1940 .suspend = dvb_usbv2_suspend,
1941 .resume = dvb_usbv2_resume,
1942 .reset_resume = dvb_usbv2_reset_resume,
1947 module_usb_driver(rtl28xxu_usb_driver);
1949 MODULE_DESCRIPTION("Realtek RTL28xxU DVB USB driver");
1950 MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
1951 MODULE_AUTHOR("Thomas Mair <thomas.mair86@googlemail.com>");
1952 MODULE_LICENSE("GPL");