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 if (req->index & CMD_WR_FLAG) {
39 memcpy(dev->buf, req->data, req->size);
40 requesttype = (USB_TYPE_VENDOR | USB_DIR_OUT);
41 pipe = usb_sndctrlpipe(d->udev, 0);
44 requesttype = (USB_TYPE_VENDOR | USB_DIR_IN);
45 pipe = usb_rcvctrlpipe(d->udev, 0);
48 ret = usb_control_msg(d->udev, pipe, 0, requesttype, req->value,
49 req->index, dev->buf, req->size, 1000);
50 dvb_usb_dbg_usb_control_msg(d->udev, 0, requesttype, req->value,
51 req->index, dev->buf, req->size);
55 /* read request, copy returned data to return buf */
56 if (requesttype == (USB_TYPE_VENDOR | USB_DIR_IN))
57 memcpy(req->data, dev->buf, req->size);
61 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
65 static int rtl28xxu_wr_regs(struct dvb_usb_device *d, u16 reg, u8 *val, int len)
67 struct rtl28xxu_req req;
70 req.index = CMD_USB_WR;
71 else if (reg < 0x4000)
72 req.index = CMD_SYS_WR;
74 req.index = CMD_IR_WR;
80 return rtl28xxu_ctrl_msg(d, &req);
83 static int rtl28xxu_rd_regs(struct dvb_usb_device *d, u16 reg, u8 *val, int len)
85 struct rtl28xxu_req req;
88 req.index = CMD_USB_RD;
89 else if (reg < 0x4000)
90 req.index = CMD_SYS_RD;
92 req.index = CMD_IR_RD;
98 return rtl28xxu_ctrl_msg(d, &req);
101 static int rtl28xxu_wr_reg(struct dvb_usb_device *d, u16 reg, u8 val)
103 return rtl28xxu_wr_regs(d, reg, &val, 1);
106 static int rtl28xxu_rd_reg(struct dvb_usb_device *d, u16 reg, u8 *val)
108 return rtl28xxu_rd_regs(d, reg, val, 1);
111 static int rtl28xxu_wr_reg_mask(struct dvb_usb_device *d, u16 reg, u8 val,
117 /* no need for read if whole reg is written */
119 ret = rtl28xxu_rd_reg(d, reg, &tmp);
128 return rtl28xxu_wr_reg(d, reg, val);
132 static int rtl28xxu_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[],
136 struct dvb_usb_device *d = i2c_get_adapdata(adap);
137 struct rtl28xxu_dev *dev = d->priv;
138 struct rtl28xxu_req req;
141 * It is not known which are real I2C bus xfer limits, but testing
142 * with RTL2831U + MT2060 gives max RD 24 and max WR 22 bytes.
143 * TODO: find out RTL2832U lens
147 * I2C adapter logic looks rather complicated due to fact it handles
148 * three different access methods. Those methods are;
149 * 1) integrated demod access
153 * Used method is selected in order 1, 2, 3. Method 3 can handle all
154 * requests but there is two reasons why not use it always;
155 * 1) It is most expensive, usually two USB messages are needed
156 * 2) At least RTL2831U does not support it
158 * Method 3 is needed in case of I2C write+read (typical register read)
159 * where write is more than one byte.
162 if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
165 if (num == 2 && !(msg[0].flags & I2C_M_RD) &&
166 (msg[1].flags & I2C_M_RD)) {
167 if (msg[0].len > 24 || msg[1].len > 24) {
168 /* TODO: check msg[0].len max */
170 goto err_mutex_unlock;
171 } else if (msg[0].addr == 0x10) {
172 /* method 1 - integrated demod */
173 req.value = (msg[0].buf[0] << 8) | (msg[0].addr << 1);
174 req.index = CMD_DEMOD_RD | dev->page;
175 req.size = msg[1].len;
176 req.data = &msg[1].buf[0];
177 ret = rtl28xxu_ctrl_msg(d, &req);
178 } else if (msg[0].len < 2) {
179 /* method 2 - old I2C */
180 req.value = (msg[0].buf[0] << 8) | (msg[0].addr << 1);
181 req.index = CMD_I2C_RD;
182 req.size = msg[1].len;
183 req.data = &msg[1].buf[0];
184 ret = rtl28xxu_ctrl_msg(d, &req);
186 /* method 3 - new I2C */
187 req.value = (msg[0].addr << 1);
188 req.index = CMD_I2C_DA_WR;
189 req.size = msg[0].len;
190 req.data = msg[0].buf;
191 ret = rtl28xxu_ctrl_msg(d, &req);
193 goto err_mutex_unlock;
195 req.value = (msg[0].addr << 1);
196 req.index = CMD_I2C_DA_RD;
197 req.size = msg[1].len;
198 req.data = msg[1].buf;
199 ret = rtl28xxu_ctrl_msg(d, &req);
201 } else if (num == 1 && !(msg[0].flags & I2C_M_RD)) {
202 if (msg[0].len > 22) {
203 /* TODO: check msg[0].len max */
205 goto err_mutex_unlock;
206 } else if (msg[0].addr == 0x10) {
207 /* method 1 - integrated demod */
208 if (msg[0].buf[0] == 0x00) {
209 /* save demod page for later demod access */
210 dev->page = msg[0].buf[1];
213 req.value = (msg[0].buf[0] << 8) |
215 req.index = CMD_DEMOD_WR | dev->page;
216 req.size = msg[0].len-1;
217 req.data = &msg[0].buf[1];
218 ret = rtl28xxu_ctrl_msg(d, &req);
220 } else if ((msg[0].len < 23) && (!dev->new_i2c_write)) {
221 /* method 2 - old I2C */
222 req.value = (msg[0].buf[0] << 8) | (msg[0].addr << 1);
223 req.index = CMD_I2C_WR;
224 req.size = msg[0].len-1;
225 req.data = &msg[0].buf[1];
226 ret = rtl28xxu_ctrl_msg(d, &req);
228 /* method 3 - new I2C */
229 req.value = (msg[0].addr << 1);
230 req.index = CMD_I2C_DA_WR;
231 req.size = msg[0].len;
232 req.data = msg[0].buf;
233 ret = rtl28xxu_ctrl_msg(d, &req);
235 } else if (num == 1 && (msg[0].flags & I2C_M_RD)) {
236 req.value = (msg[0].addr << 1);
237 req.index = CMD_I2C_DA_RD;
238 req.size = msg[0].len;
239 req.data = msg[0].buf;
240 ret = rtl28xxu_ctrl_msg(d, &req);
246 mutex_unlock(&d->i2c_mutex);
248 return ret ? ret : num;
251 static u32 rtl28xxu_i2c_func(struct i2c_adapter *adapter)
256 static struct i2c_algorithm rtl28xxu_i2c_algo = {
257 .master_xfer = rtl28xxu_i2c_xfer,
258 .functionality = rtl28xxu_i2c_func,
261 static int rtl2831u_read_config(struct dvb_usb_device *d)
263 struct rtl28xxu_dev *dev = d_to_priv(d);
266 /* open RTL2831U/RTL2830 I2C gate */
267 struct rtl28xxu_req req_gate_open = {0x0120, 0x0011, 0x0001, "\x08"};
269 struct rtl28xxu_req req_mt2060 = {0x00c0, CMD_I2C_RD, 1, buf};
270 struct rtl28xxu_req req_qt1010 = {0x0fc4, CMD_I2C_RD, 1, buf};
272 dev_dbg(&d->intf->dev, "\n");
276 * =========================================================
277 * GPIO0 | tuner#0 | 0 off | 1 on | MXL5005S (?)
278 * GPIO2 | LED | 0 off | 1 on |
279 * GPIO4 | tuner#1 | 0 on | 1 off | MT2060
283 ret = rtl28xxu_wr_reg(d, SYS_GPIO_DIR, 0x0a);
287 /* enable as output GPIO0, GPIO2, GPIO4 */
288 ret = rtl28xxu_wr_reg(d, SYS_GPIO_OUT_EN, 0x15);
293 * Probe used tuner. We need to know used tuner before demod attach
294 * since there is some demod params needed to set according to tuner.
297 /* demod needs some time to wake up */
300 dev->tuner_name = "NONE";
302 /* open demod I2C gate */
303 ret = rtl28xxu_ctrl_msg(d, &req_gate_open);
307 /* check QT1010 ID(?) register; reg=0f val=2c */
308 ret = rtl28xxu_ctrl_msg(d, &req_qt1010);
309 if (ret == 0 && buf[0] == 0x2c) {
310 dev->tuner = TUNER_RTL2830_QT1010;
311 dev->tuner_name = "QT1010";
315 /* open demod I2C gate */
316 ret = rtl28xxu_ctrl_msg(d, &req_gate_open);
320 /* check MT2060 ID register; reg=00 val=63 */
321 ret = rtl28xxu_ctrl_msg(d, &req_mt2060);
322 if (ret == 0 && buf[0] == 0x63) {
323 dev->tuner = TUNER_RTL2830_MT2060;
324 dev->tuner_name = "MT2060";
328 /* assume MXL5005S */
329 dev->tuner = TUNER_RTL2830_MXL5005S;
330 dev->tuner_name = "MXL5005S";
334 dev_dbg(&d->intf->dev, "tuner=%s\n", dev->tuner_name);
338 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
342 static int rtl2832u_read_config(struct dvb_usb_device *d)
344 struct rtl28xxu_dev *dev = d_to_priv(d);
347 /* open RTL2832U/RTL2832 I2C gate */
348 struct rtl28xxu_req req_gate_open = {0x0120, 0x0011, 0x0001, "\x18"};
349 /* close RTL2832U/RTL2832 I2C gate */
350 struct rtl28xxu_req req_gate_close = {0x0120, 0x0011, 0x0001, "\x10"};
352 struct rtl28xxu_req req_fc0012 = {0x00c6, CMD_I2C_RD, 1, buf};
353 struct rtl28xxu_req req_fc0013 = {0x00c6, CMD_I2C_RD, 1, buf};
354 struct rtl28xxu_req req_mt2266 = {0x00c0, CMD_I2C_RD, 1, buf};
355 struct rtl28xxu_req req_fc2580 = {0x01ac, CMD_I2C_RD, 1, buf};
356 struct rtl28xxu_req req_mt2063 = {0x00c0, CMD_I2C_RD, 1, buf};
357 struct rtl28xxu_req req_max3543 = {0x00c0, CMD_I2C_RD, 1, buf};
358 struct rtl28xxu_req req_tua9001 = {0x7ec0, CMD_I2C_RD, 2, buf};
359 struct rtl28xxu_req req_mxl5007t = {0xd9c0, CMD_I2C_RD, 1, buf};
360 struct rtl28xxu_req req_e4000 = {0x02c8, CMD_I2C_RD, 1, buf};
361 struct rtl28xxu_req req_tda18272 = {0x00c0, CMD_I2C_RD, 2, buf};
362 struct rtl28xxu_req req_r820t = {0x0034, CMD_I2C_RD, 1, buf};
363 struct rtl28xxu_req req_r828d = {0x0074, CMD_I2C_RD, 1, buf};
364 struct rtl28xxu_req req_mn88472 = {0xff38, CMD_I2C_RD, 1, buf};
365 struct rtl28xxu_req req_mn88473 = {0xff38, CMD_I2C_RD, 1, buf};
366 struct rtl28xxu_req req_si2157 = {0x00c0, CMD_I2C_RD, 1, buf};
367 struct rtl28xxu_req req_si2168 = {0x00c8, CMD_I2C_RD, 1, buf};
369 dev_dbg(&d->intf->dev, "\n");
371 /* enable GPIO3 and GPIO6 as output */
372 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_DIR, 0x00, 0x40);
376 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x48, 0x48);
381 * Probe used tuner. We need to know used tuner before demod attach
382 * since there is some demod params needed to set according to tuner.
385 /* open demod I2C gate */
386 ret = rtl28xxu_ctrl_msg(d, &req_gate_open);
390 dev->tuner_name = "NONE";
392 /* check FC0012 ID register; reg=00 val=a1 */
393 ret = rtl28xxu_ctrl_msg(d, &req_fc0012);
394 if (ret == 0 && buf[0] == 0xa1) {
395 dev->tuner = TUNER_RTL2832_FC0012;
396 dev->tuner_name = "FC0012";
400 /* check FC0013 ID register; reg=00 val=a3 */
401 ret = rtl28xxu_ctrl_msg(d, &req_fc0013);
402 if (ret == 0 && buf[0] == 0xa3) {
403 dev->tuner = TUNER_RTL2832_FC0013;
404 dev->tuner_name = "FC0013";
408 /* check MT2266 ID register; reg=00 val=85 */
409 ret = rtl28xxu_ctrl_msg(d, &req_mt2266);
410 if (ret == 0 && buf[0] == 0x85) {
411 dev->tuner = TUNER_RTL2832_MT2266;
412 dev->tuner_name = "MT2266";
416 /* check FC2580 ID register; reg=01 val=56 */
417 ret = rtl28xxu_ctrl_msg(d, &req_fc2580);
418 if (ret == 0 && buf[0] == 0x56) {
419 dev->tuner = TUNER_RTL2832_FC2580;
420 dev->tuner_name = "FC2580";
424 /* check MT2063 ID register; reg=00 val=9e || 9c */
425 ret = rtl28xxu_ctrl_msg(d, &req_mt2063);
426 if (ret == 0 && (buf[0] == 0x9e || buf[0] == 0x9c)) {
427 dev->tuner = TUNER_RTL2832_MT2063;
428 dev->tuner_name = "MT2063";
432 /* check MAX3543 ID register; reg=00 val=38 */
433 ret = rtl28xxu_ctrl_msg(d, &req_max3543);
434 if (ret == 0 && buf[0] == 0x38) {
435 dev->tuner = TUNER_RTL2832_MAX3543;
436 dev->tuner_name = "MAX3543";
440 /* check TUA9001 ID register; reg=7e val=2328 */
441 ret = rtl28xxu_ctrl_msg(d, &req_tua9001);
442 if (ret == 0 && buf[0] == 0x23 && buf[1] == 0x28) {
443 dev->tuner = TUNER_RTL2832_TUA9001;
444 dev->tuner_name = "TUA9001";
448 /* check MXL5007R ID register; reg=d9 val=14 */
449 ret = rtl28xxu_ctrl_msg(d, &req_mxl5007t);
450 if (ret == 0 && buf[0] == 0x14) {
451 dev->tuner = TUNER_RTL2832_MXL5007T;
452 dev->tuner_name = "MXL5007T";
456 /* check E4000 ID register; reg=02 val=40 */
457 ret = rtl28xxu_ctrl_msg(d, &req_e4000);
458 if (ret == 0 && buf[0] == 0x40) {
459 dev->tuner = TUNER_RTL2832_E4000;
460 dev->tuner_name = "E4000";
464 /* check TDA18272 ID register; reg=00 val=c760 */
465 ret = rtl28xxu_ctrl_msg(d, &req_tda18272);
466 if (ret == 0 && (buf[0] == 0xc7 || buf[1] == 0x60)) {
467 dev->tuner = TUNER_RTL2832_TDA18272;
468 dev->tuner_name = "TDA18272";
472 /* check R820T ID register; reg=00 val=69 */
473 ret = rtl28xxu_ctrl_msg(d, &req_r820t);
474 if (ret == 0 && buf[0] == 0x69) {
475 dev->tuner = TUNER_RTL2832_R820T;
476 dev->tuner_name = "R820T";
480 /* check R828D ID register; reg=00 val=69 */
481 ret = rtl28xxu_ctrl_msg(d, &req_r828d);
482 if (ret == 0 && buf[0] == 0x69) {
483 dev->tuner = TUNER_RTL2832_R828D;
484 dev->tuner_name = "R828D";
488 /* GPIO0 and GPIO5 to reset Si2157/Si2168 tuner and demod */
489 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x00, 0x21);
493 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x00, 0x21);
499 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x21, 0x21);
503 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x21, 0x21);
509 /* check Si2157 ID register; reg=c0 val=80 */
510 ret = rtl28xxu_ctrl_msg(d, &req_si2157);
511 if (ret == 0 && ((buf[0] & 0x80) == 0x80)) {
512 dev->tuner = TUNER_RTL2832_SI2157;
513 dev->tuner_name = "SI2157";
518 dev_dbg(&d->intf->dev, "tuner=%s\n", dev->tuner_name);
520 /* probe slave demod */
521 if (dev->tuner == TUNER_RTL2832_R828D) {
522 /* power on MN88472 demod on GPIO0 */
523 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x01, 0x01);
527 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_DIR, 0x00, 0x01);
531 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x01, 0x01);
535 /* check MN88472 answers */
536 ret = rtl28xxu_ctrl_msg(d, &req_mn88472);
537 if (ret == 0 && buf[0] == 0x02) {
538 dev_dbg(&d->intf->dev, "MN88472 found\n");
539 dev->slave_demod = SLAVE_DEMOD_MN88472;
543 ret = rtl28xxu_ctrl_msg(d, &req_mn88473);
544 if (ret == 0 && buf[0] == 0x03) {
545 dev_dbg(&d->intf->dev, "MN88473 found\n");
546 dev->slave_demod = SLAVE_DEMOD_MN88473;
550 if (dev->tuner == TUNER_RTL2832_SI2157) {
551 /* check Si2168 ID register; reg=c8 val=80 */
552 ret = rtl28xxu_ctrl_msg(d, &req_si2168);
553 if (ret == 0 && ((buf[0] & 0x80) == 0x80)) {
554 dev_dbg(&d->intf->dev, "Si2168 found\n");
555 dev->slave_demod = SLAVE_DEMOD_SI2168;
561 /* close demod I2C gate */
562 ret = rtl28xxu_ctrl_msg(d, &req_gate_close);
568 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
572 static int rtl28xxu_read_config(struct dvb_usb_device *d)
574 struct rtl28xxu_dev *dev = d_to_priv(d);
576 if (dev->chip_id == CHIP_ID_RTL2831U)
577 return rtl2831u_read_config(d);
579 return rtl2832u_read_config(d);
582 static int rtl28xxu_identify_state(struct dvb_usb_device *d, const char **name)
584 struct rtl28xxu_dev *dev = d_to_priv(d);
586 struct rtl28xxu_req req_demod_i2c = {0x0020, CMD_I2C_DA_RD, 0, NULL};
588 dev_dbg(&d->intf->dev, "\n");
591 * Detect chip type using I2C command that is not supported
594 ret = rtl28xxu_ctrl_msg(d, &req_demod_i2c);
596 dev->chip_id = CHIP_ID_RTL2831U;
597 } else if (ret == 0) {
598 dev->chip_id = CHIP_ID_RTL2832U;
600 dev_err(&d->intf->dev, "chip type detection failed %d\n", ret);
603 dev_dbg(&d->intf->dev, "chip_id=%u\n", dev->chip_id);
607 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
611 static const struct rtl2830_platform_data rtl2830_mt2060_platform_data = {
616 .agc_targ_val = 0x2d,
620 static const struct rtl2830_platform_data rtl2830_qt1010_platform_data = {
625 .agc_targ_val = 0x2d,
628 static const struct rtl2830_platform_data rtl2830_mxl5005s_platform_data = {
633 .agc_targ_val = 0x3e,
636 static int rtl2831u_frontend_attach(struct dvb_usb_adapter *adap)
638 struct dvb_usb_device *d = adap_to_d(adap);
639 struct rtl28xxu_dev *dev = d_to_priv(d);
640 struct rtl2830_platform_data *pdata = &dev->rtl2830_platform_data;
641 struct i2c_board_info board_info;
642 struct i2c_client *client;
645 dev_dbg(&d->intf->dev, "\n");
647 switch (dev->tuner) {
648 case TUNER_RTL2830_QT1010:
649 *pdata = rtl2830_qt1010_platform_data;
651 case TUNER_RTL2830_MT2060:
652 *pdata = rtl2830_mt2060_platform_data;
654 case TUNER_RTL2830_MXL5005S:
655 *pdata = rtl2830_mxl5005s_platform_data;
658 dev_err(&d->intf->dev, "unknown tuner %s\n", dev->tuner_name);
663 /* attach demodulator */
664 memset(&board_info, 0, sizeof(board_info));
665 strlcpy(board_info.type, "rtl2830", I2C_NAME_SIZE);
666 board_info.addr = 0x10;
667 board_info.platform_data = pdata;
668 request_module("%s", board_info.type);
669 client = i2c_new_device(&d->i2c_adap, &board_info);
670 if (client == NULL || client->dev.driver == NULL) {
675 if (!try_module_get(client->dev.driver->owner)) {
676 i2c_unregister_device(client);
681 adap->fe[0] = pdata->get_dvb_frontend(client);
682 dev->demod_i2c_adapter = pdata->get_i2c_adapter(client);
684 dev->i2c_client_demod = client;
688 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
692 static const struct rtl2832_platform_data rtl2832_fc2580_platform_data = {
694 .tuner = TUNER_RTL2832_FC2580,
697 static const struct rtl2832_platform_data rtl2832_fc0012_platform_data = {
699 .tuner = TUNER_RTL2832_FC0012
702 static const struct rtl2832_platform_data rtl2832_fc0013_platform_data = {
704 .tuner = TUNER_RTL2832_FC0013
707 static const struct rtl2832_platform_data rtl2832_tua9001_platform_data = {
709 .tuner = TUNER_RTL2832_TUA9001,
712 static const struct rtl2832_platform_data rtl2832_e4000_platform_data = {
714 .tuner = TUNER_RTL2832_E4000,
717 static const struct rtl2832_platform_data rtl2832_r820t_platform_data = {
719 .tuner = TUNER_RTL2832_R820T,
722 static const struct rtl2832_platform_data rtl2832_si2157_platform_data = {
724 .tuner = TUNER_RTL2832_SI2157,
727 static int rtl2832u_fc0012_tuner_callback(struct dvb_usb_device *d,
733 dev_dbg(&d->intf->dev, "cmd=%d arg=%d\n", cmd, arg);
736 case FC_FE_CALLBACK_VHF_ENABLE:
737 /* set output values */
738 ret = rtl28xxu_rd_reg(d, SYS_GPIO_OUT_VAL, &val);
743 val &= 0xbf; /* set GPIO6 low */
745 val |= 0x40; /* set GPIO6 high */
748 ret = rtl28xxu_wr_reg(d, SYS_GPIO_OUT_VAL, val);
758 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
762 static int rtl2832u_tua9001_tuner_callback(struct dvb_usb_device *d,
768 dev_dbg(&d->intf->dev, "cmd=%d arg=%d\n", cmd, arg);
771 * CEN always enabled by hardware wiring
777 case TUA9001_CMD_RESETN:
783 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, val, 0x10);
787 case TUA9001_CMD_RXEN:
793 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, val, 0x02);
801 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
805 static int rtl2832u_frontend_callback(void *adapter_priv, int component,
808 struct i2c_adapter *adapter = adapter_priv;
809 struct device *parent = adapter->dev.parent;
810 struct i2c_adapter *parent_adapter;
811 struct dvb_usb_device *d;
812 struct rtl28xxu_dev *dev;
815 * All tuners are connected to demod muxed I2C adapter. We have to
816 * resolve its parent adapter in order to get handle for this driver
817 * private data. That is a bit hackish solution, GPIO or direct driver
818 * callback would be better...
820 if (parent != NULL && parent->type == &i2c_adapter_type)
821 parent_adapter = to_i2c_adapter(parent);
825 d = i2c_get_adapdata(parent_adapter);
828 dev_dbg(&d->intf->dev, "component=%d cmd=%d arg=%d\n",
829 component, cmd, arg);
832 case DVB_FRONTEND_COMPONENT_TUNER:
833 switch (dev->tuner) {
834 case TUNER_RTL2832_FC0012:
835 return rtl2832u_fc0012_tuner_callback(d, cmd, arg);
836 case TUNER_RTL2832_TUA9001:
837 return rtl2832u_tua9001_tuner_callback(d, cmd, arg);
844 static int rtl2832u_frontend_attach(struct dvb_usb_adapter *adap)
846 struct dvb_usb_device *d = adap_to_d(adap);
847 struct rtl28xxu_dev *dev = d_to_priv(d);
848 struct rtl2832_platform_data *pdata = &dev->rtl2832_platform_data;
849 struct i2c_board_info board_info;
850 struct i2c_client *client;
853 dev_dbg(&d->intf->dev, "\n");
855 switch (dev->tuner) {
856 case TUNER_RTL2832_FC0012:
857 *pdata = rtl2832_fc0012_platform_data;
859 case TUNER_RTL2832_FC0013:
860 *pdata = rtl2832_fc0013_platform_data;
862 case TUNER_RTL2832_FC2580:
863 *pdata = rtl2832_fc2580_platform_data;
865 case TUNER_RTL2832_TUA9001:
866 *pdata = rtl2832_tua9001_platform_data;
868 case TUNER_RTL2832_E4000:
869 *pdata = rtl2832_e4000_platform_data;
871 case TUNER_RTL2832_R820T:
872 case TUNER_RTL2832_R828D:
873 *pdata = rtl2832_r820t_platform_data;
875 case TUNER_RTL2832_SI2157:
876 *pdata = rtl2832_si2157_platform_data;
879 dev_err(&d->intf->dev, "unknown tuner %s\n", dev->tuner_name);
884 /* attach demodulator */
885 memset(&board_info, 0, sizeof(board_info));
886 strlcpy(board_info.type, "rtl2832", I2C_NAME_SIZE);
887 board_info.addr = 0x10;
888 board_info.platform_data = pdata;
889 request_module("%s", board_info.type);
890 client = i2c_new_device(&d->i2c_adap, &board_info);
891 if (client == NULL || client->dev.driver == NULL) {
896 if (!try_module_get(client->dev.driver->owner)) {
897 i2c_unregister_device(client);
902 adap->fe[0] = pdata->get_dvb_frontend(client);
903 dev->demod_i2c_adapter = pdata->get_i2c_adapter(client);
905 dev->i2c_client_demod = client;
907 /* set fe callback */
908 adap->fe[0]->callback = rtl2832u_frontend_callback;
910 if (dev->slave_demod) {
911 struct i2c_board_info info = {};
914 * We continue on reduced mode, without DVB-T2/C, using master
915 * demod, when slave demod fails.
919 /* attach slave demodulator */
920 if (dev->slave_demod == SLAVE_DEMOD_MN88472) {
921 struct mn88472_config mn88472_config = {};
923 mn88472_config.fe = &adap->fe[1];
924 mn88472_config.i2c_wr_max = 22,
925 strlcpy(info.type, "mn88472", I2C_NAME_SIZE);
926 mn88472_config.xtal = 20500000;
927 mn88472_config.ts_mode = SERIAL_TS_MODE;
928 mn88472_config.ts_clock = VARIABLE_TS_CLOCK;
930 info.platform_data = &mn88472_config;
931 request_module(info.type);
932 client = i2c_new_device(&d->i2c_adap, &info);
933 if (client == NULL || client->dev.driver == NULL) {
934 dev->slave_demod = SLAVE_DEMOD_NONE;
935 goto err_slave_demod_failed;
938 if (!try_module_get(client->dev.driver->owner)) {
939 i2c_unregister_device(client);
940 dev->slave_demod = SLAVE_DEMOD_NONE;
941 goto err_slave_demod_failed;
944 dev->i2c_client_slave_demod = client;
945 } else if (dev->slave_demod == SLAVE_DEMOD_MN88473) {
946 struct mn88473_config mn88473_config = {};
948 mn88473_config.fe = &adap->fe[1];
949 mn88473_config.i2c_wr_max = 22,
950 strlcpy(info.type, "mn88473", I2C_NAME_SIZE);
952 info.platform_data = &mn88473_config;
953 request_module(info.type);
954 client = i2c_new_device(&d->i2c_adap, &info);
955 if (client == NULL || client->dev.driver == NULL) {
956 dev->slave_demod = SLAVE_DEMOD_NONE;
957 goto err_slave_demod_failed;
960 if (!try_module_get(client->dev.driver->owner)) {
961 i2c_unregister_device(client);
962 dev->slave_demod = SLAVE_DEMOD_NONE;
963 goto err_slave_demod_failed;
966 dev->i2c_client_slave_demod = client;
968 struct si2168_config si2168_config = {};
969 struct i2c_adapter *adapter;
971 si2168_config.i2c_adapter = &adapter;
972 si2168_config.fe = &adap->fe[1];
973 si2168_config.ts_mode = SI2168_TS_SERIAL;
974 si2168_config.ts_clock_inv = false;
975 si2168_config.ts_clock_gapped = true;
976 strlcpy(info.type, "si2168", I2C_NAME_SIZE);
978 info.platform_data = &si2168_config;
979 request_module(info.type);
980 client = i2c_new_device(&d->i2c_adap, &info);
981 if (client == NULL || client->dev.driver == NULL) {
982 dev->slave_demod = SLAVE_DEMOD_NONE;
983 goto err_slave_demod_failed;
986 if (!try_module_get(client->dev.driver->owner)) {
987 i2c_unregister_device(client);
988 dev->slave_demod = SLAVE_DEMOD_NONE;
989 goto err_slave_demod_failed;
992 dev->i2c_client_slave_demod = client;
994 /* for Si2168 devices use only new I2C write method */
995 dev->new_i2c_write = true;
999 err_slave_demod_failed:
1001 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1005 static int rtl28xxu_frontend_attach(struct dvb_usb_adapter *adap)
1007 struct rtl28xxu_dev *dev = adap_to_priv(adap);
1009 if (dev->chip_id == CHIP_ID_RTL2831U)
1010 return rtl2831u_frontend_attach(adap);
1012 return rtl2832u_frontend_attach(adap);
1015 static int rtl28xxu_frontend_detach(struct dvb_usb_adapter *adap)
1017 struct dvb_usb_device *d = adap_to_d(adap);
1018 struct rtl28xxu_dev *dev = d_to_priv(d);
1019 struct i2c_client *client;
1021 dev_dbg(&d->intf->dev, "\n");
1023 /* remove I2C slave demod */
1024 client = dev->i2c_client_slave_demod;
1026 module_put(client->dev.driver->owner);
1027 i2c_unregister_device(client);
1030 /* remove I2C demod */
1031 client = dev->i2c_client_demod;
1033 module_put(client->dev.driver->owner);
1034 i2c_unregister_device(client);
1040 static struct qt1010_config rtl28xxu_qt1010_config = {
1041 .i2c_address = 0x62, /* 0xc4 */
1044 static struct mt2060_config rtl28xxu_mt2060_config = {
1045 .i2c_address = 0x60, /* 0xc0 */
1049 static struct mxl5005s_config rtl28xxu_mxl5005s_config = {
1050 .i2c_address = 0x63, /* 0xc6 */
1051 .if_freq = IF_FREQ_4570000HZ,
1052 .xtal_freq = CRYSTAL_FREQ_16000000HZ,
1053 .agc_mode = MXL_SINGLE_AGC,
1054 .tracking_filter = MXL_TF_C_H,
1055 .rssi_enable = MXL_RSSI_ENABLE,
1056 .cap_select = MXL_CAP_SEL_ENABLE,
1057 .div_out = MXL_DIV_OUT_4,
1058 .clock_out = MXL_CLOCK_OUT_DISABLE,
1059 .output_load = MXL5005S_IF_OUTPUT_LOAD_200_OHM,
1060 .top = MXL5005S_TOP_25P2,
1061 .mod_mode = MXL_DIGITAL_MODE,
1062 .if_mode = MXL_ZERO_IF,
1063 .AgcMasterByte = 0x00,
1066 static int rtl2831u_tuner_attach(struct dvb_usb_adapter *adap)
1069 struct dvb_usb_device *d = adap_to_d(adap);
1070 struct rtl28xxu_dev *dev = d_to_priv(d);
1071 struct dvb_frontend *fe;
1073 dev_dbg(&d->intf->dev, "\n");
1075 switch (dev->tuner) {
1076 case TUNER_RTL2830_QT1010:
1077 fe = dvb_attach(qt1010_attach, adap->fe[0],
1078 dev->demod_i2c_adapter,
1079 &rtl28xxu_qt1010_config);
1081 case TUNER_RTL2830_MT2060:
1082 fe = dvb_attach(mt2060_attach, adap->fe[0],
1083 dev->demod_i2c_adapter,
1084 &rtl28xxu_mt2060_config, 1220);
1086 case TUNER_RTL2830_MXL5005S:
1087 fe = dvb_attach(mxl5005s_attach, adap->fe[0],
1088 dev->demod_i2c_adapter,
1089 &rtl28xxu_mxl5005s_config);
1093 dev_err(&d->intf->dev, "unknown tuner %d\n", dev->tuner);
1103 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1107 static const struct fc0012_config rtl2832u_fc0012_config = {
1108 .i2c_address = 0x63, /* 0xc6 >> 1 */
1109 .xtal_freq = FC_XTAL_28_8_MHZ,
1112 static const struct r820t_config rtl2832u_r820t_config = {
1115 .max_i2c_msg_len = 2,
1116 .rafael_chip = CHIP_R820T,
1119 static const struct r820t_config rtl2832u_r828d_config = {
1122 .max_i2c_msg_len = 2,
1123 .rafael_chip = CHIP_R828D,
1126 static int rtl2832u_tuner_attach(struct dvb_usb_adapter *adap)
1129 struct dvb_usb_device *d = adap_to_d(adap);
1130 struct rtl28xxu_dev *dev = d_to_priv(d);
1131 struct dvb_frontend *fe = NULL;
1132 struct i2c_board_info info;
1133 struct i2c_client *client;
1134 struct v4l2_subdev *subdev = NULL;
1135 struct platform_device *pdev;
1136 struct rtl2832_sdr_platform_data pdata;
1138 dev_dbg(&d->intf->dev, "\n");
1140 memset(&info, 0, sizeof(struct i2c_board_info));
1141 memset(&pdata, 0, sizeof(pdata));
1143 switch (dev->tuner) {
1144 case TUNER_RTL2832_FC0012:
1145 fe = dvb_attach(fc0012_attach, adap->fe[0],
1146 dev->demod_i2c_adapter, &rtl2832u_fc0012_config);
1148 /* since fc0012 includs reading the signal strength delegate
1149 * that to the tuner driver */
1150 adap->fe[0]->ops.read_signal_strength =
1151 adap->fe[0]->ops.tuner_ops.get_rf_strength;
1153 case TUNER_RTL2832_FC0013:
1154 fe = dvb_attach(fc0013_attach, adap->fe[0],
1155 dev->demod_i2c_adapter, 0xc6>>1, 0, FC_XTAL_28_8_MHZ);
1157 /* fc0013 also supports signal strength reading */
1158 adap->fe[0]->ops.read_signal_strength =
1159 adap->fe[0]->ops.tuner_ops.get_rf_strength;
1161 case TUNER_RTL2832_E4000: {
1162 struct e4000_config e4000_config = {
1167 strlcpy(info.type, "e4000", I2C_NAME_SIZE);
1169 info.platform_data = &e4000_config;
1171 request_module(info.type);
1172 client = i2c_new_device(dev->demod_i2c_adapter, &info);
1173 if (client == NULL || client->dev.driver == NULL)
1176 if (!try_module_get(client->dev.driver->owner)) {
1177 i2c_unregister_device(client);
1181 dev->i2c_client_tuner = client;
1182 subdev = i2c_get_clientdata(client);
1185 case TUNER_RTL2832_FC2580: {
1186 struct fc2580_platform_data fc2580_pdata = {
1187 .dvb_frontend = adap->fe[0],
1189 struct i2c_board_info board_info = {};
1191 strlcpy(board_info.type, "fc2580", I2C_NAME_SIZE);
1192 board_info.addr = 0x56;
1193 board_info.platform_data = &fc2580_pdata;
1194 request_module("fc2580");
1195 client = i2c_new_device(dev->demod_i2c_adapter,
1197 if (client == NULL || client->dev.driver == NULL)
1199 if (!try_module_get(client->dev.driver->owner)) {
1200 i2c_unregister_device(client);
1203 dev->i2c_client_tuner = client;
1204 subdev = fc2580_pdata.get_v4l2_subdev(client);
1207 case TUNER_RTL2832_TUA9001: {
1208 struct tua9001_platform_data tua9001_pdata = {
1209 .dvb_frontend = adap->fe[0],
1211 struct i2c_board_info board_info = {};
1213 /* enable GPIO1 and GPIO4 as output */
1214 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_DIR, 0x00, 0x12);
1218 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x12, 0x12);
1222 strlcpy(board_info.type, "tua9001", I2C_NAME_SIZE);
1223 board_info.addr = 0x60;
1224 board_info.platform_data = &tua9001_pdata;
1225 request_module("tua9001");
1226 client = i2c_new_device(dev->demod_i2c_adapter, &board_info);
1227 if (client == NULL || client->dev.driver == NULL)
1229 if (!try_module_get(client->dev.driver->owner)) {
1230 i2c_unregister_device(client);
1233 dev->i2c_client_tuner = client;
1236 case TUNER_RTL2832_R820T:
1237 fe = dvb_attach(r820t_attach, adap->fe[0],
1238 dev->demod_i2c_adapter,
1239 &rtl2832u_r820t_config);
1241 /* Use tuner to get the signal strength */
1242 adap->fe[0]->ops.read_signal_strength =
1243 adap->fe[0]->ops.tuner_ops.get_rf_strength;
1245 case TUNER_RTL2832_R828D:
1246 fe = dvb_attach(r820t_attach, adap->fe[0],
1247 dev->demod_i2c_adapter,
1248 &rtl2832u_r828d_config);
1249 adap->fe[0]->ops.read_signal_strength =
1250 adap->fe[0]->ops.tuner_ops.get_rf_strength;
1253 fe = dvb_attach(r820t_attach, adap->fe[1],
1254 dev->demod_i2c_adapter,
1255 &rtl2832u_r828d_config);
1256 adap->fe[1]->ops.read_signal_strength =
1257 adap->fe[1]->ops.tuner_ops.get_rf_strength;
1260 case TUNER_RTL2832_SI2157: {
1261 struct si2157_config si2157_config = {
1267 strlcpy(info.type, "si2157", I2C_NAME_SIZE);
1269 info.platform_data = &si2157_config;
1270 request_module(info.type);
1271 client = i2c_new_device(&d->i2c_adap, &info);
1272 if (client == NULL || client->dev.driver == NULL)
1275 if (!try_module_get(client->dev.driver->owner)) {
1276 i2c_unregister_device(client);
1280 dev->i2c_client_tuner = client;
1281 subdev = i2c_get_clientdata(client);
1283 /* copy tuner ops for 2nd FE as tuner is shared */
1285 adap->fe[1]->tuner_priv =
1286 adap->fe[0]->tuner_priv;
1287 memcpy(&adap->fe[1]->ops.tuner_ops,
1288 &adap->fe[0]->ops.tuner_ops,
1289 sizeof(struct dvb_tuner_ops));
1294 dev_err(&d->intf->dev, "unknown tuner %d\n", dev->tuner);
1296 if (fe == NULL && dev->i2c_client_tuner == NULL) {
1302 switch (dev->tuner) {
1303 case TUNER_RTL2832_FC2580:
1304 case TUNER_RTL2832_FC0012:
1305 case TUNER_RTL2832_FC0013:
1306 case TUNER_RTL2832_E4000:
1307 case TUNER_RTL2832_R820T:
1308 case TUNER_RTL2832_R828D:
1309 pdata.clk = dev->rtl2832_platform_data.clk;
1310 pdata.tuner = dev->tuner;
1311 pdata.i2c_client = dev->i2c_client_demod;
1312 pdata.bulk_read = dev->rtl2832_platform_data.bulk_read;
1313 pdata.bulk_write = dev->rtl2832_platform_data.bulk_write;
1314 pdata.update_bits = dev->rtl2832_platform_data.update_bits;
1315 pdata.dvb_frontend = adap->fe[0];
1316 pdata.dvb_usb_device = d;
1317 pdata.v4l2_subdev = subdev;
1319 request_module("%s", "rtl2832_sdr");
1320 pdev = platform_device_register_data(&d->intf->dev,
1322 PLATFORM_DEVID_AUTO,
1323 &pdata, sizeof(pdata));
1324 if (IS_ERR(pdev) || pdev->dev.driver == NULL)
1326 dev->platform_device_sdr = pdev;
1329 dev_dbg(&d->intf->dev, "no SDR for tuner=%d\n", dev->tuner);
1334 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1338 static int rtl28xxu_tuner_attach(struct dvb_usb_adapter *adap)
1340 struct rtl28xxu_dev *dev = adap_to_priv(adap);
1342 if (dev->chip_id == CHIP_ID_RTL2831U)
1343 return rtl2831u_tuner_attach(adap);
1345 return rtl2832u_tuner_attach(adap);
1348 static int rtl28xxu_tuner_detach(struct dvb_usb_adapter *adap)
1350 struct dvb_usb_device *d = adap_to_d(adap);
1351 struct rtl28xxu_dev *dev = d_to_priv(d);
1352 struct i2c_client *client;
1353 struct platform_device *pdev;
1355 dev_dbg(&d->intf->dev, "\n");
1357 /* remove platform SDR */
1358 pdev = dev->platform_device_sdr;
1360 platform_device_unregister(pdev);
1362 /* remove I2C tuner */
1363 client = dev->i2c_client_tuner;
1365 module_put(client->dev.driver->owner);
1366 i2c_unregister_device(client);
1372 static int rtl28xxu_init(struct dvb_usb_device *d)
1377 dev_dbg(&d->intf->dev, "\n");
1379 /* init USB endpoints */
1380 ret = rtl28xxu_rd_reg(d, USB_SYSCTL_0, &val);
1384 /* enable DMA and Full Packet Mode*/
1386 ret = rtl28xxu_wr_reg(d, USB_SYSCTL_0, val);
1390 /* set EPA maximum packet size to 0x0200 */
1391 ret = rtl28xxu_wr_regs(d, USB_EPA_MAXPKT, "\x00\x02\x00\x00", 4);
1395 /* change EPA FIFO length */
1396 ret = rtl28xxu_wr_regs(d, USB_EPA_FIFO_CFG, "\x14\x00\x00\x00", 4);
1402 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1406 static int rtl2831u_power_ctrl(struct dvb_usb_device *d, int onoff)
1409 u8 gpio, sys0, epa_ctl[2];
1411 dev_dbg(&d->intf->dev, "onoff=%d\n", onoff);
1414 ret = rtl28xxu_rd_reg(d, SYS_SYS0, &sys0);
1418 /* tuner power, read GPIOs */
1419 ret = rtl28xxu_rd_reg(d, SYS_GPIO_OUT_VAL, &gpio);
1423 dev_dbg(&d->intf->dev, "RD SYS0=%02x GPIO_OUT_VAL=%02x\n", sys0, gpio);
1426 gpio |= 0x01; /* GPIO0 = 1 */
1427 gpio &= (~0x10); /* GPIO4 = 0 */
1428 gpio |= 0x04; /* GPIO2 = 1, LED on */
1431 epa_ctl[0] = 0x00; /* clear stall */
1432 epa_ctl[1] = 0x00; /* clear reset */
1434 gpio &= (~0x01); /* GPIO0 = 0 */
1435 gpio |= 0x10; /* GPIO4 = 1 */
1436 gpio &= (~0x04); /* GPIO2 = 1, LED off */
1437 sys0 = sys0 & (~0xc0);
1438 epa_ctl[0] = 0x10; /* set stall */
1439 epa_ctl[1] = 0x02; /* set reset */
1442 dev_dbg(&d->intf->dev, "WR SYS0=%02x GPIO_OUT_VAL=%02x\n", sys0, gpio);
1445 ret = rtl28xxu_wr_reg(d, SYS_SYS0, sys0);
1449 /* tuner power, write GPIOs */
1450 ret = rtl28xxu_wr_reg(d, SYS_GPIO_OUT_VAL, gpio);
1454 /* streaming EP: stall & reset */
1455 ret = rtl28xxu_wr_regs(d, USB_EPA_CTL, epa_ctl, 2);
1460 usb_clear_halt(d->udev, usb_rcvbulkpipe(d->udev, 0x81));
1464 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1468 static int rtl2832u_power_ctrl(struct dvb_usb_device *d, int onoff)
1472 dev_dbg(&d->intf->dev, "onoff=%d\n", onoff);
1475 /* GPIO3=1, GPIO4=0 */
1476 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x08, 0x18);
1481 ret = rtl28xxu_wr_reg_mask(d, SYS_DEMOD_CTL1, 0x00, 0x10);
1486 ret = rtl28xxu_wr_reg_mask(d, SYS_DEMOD_CTL, 0x80, 0x80);
1491 ret = rtl28xxu_wr_reg_mask(d, SYS_DEMOD_CTL, 0x20, 0x20);
1495 /* streaming EP: clear stall & reset */
1496 ret = rtl28xxu_wr_regs(d, USB_EPA_CTL, "\x00\x00", 2);
1500 ret = usb_clear_halt(d->udev, usb_rcvbulkpipe(d->udev, 0x81));
1505 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x10, 0x10);
1510 ret = rtl28xxu_wr_reg_mask(d, SYS_DEMOD_CTL, 0x00, 0x80);
1514 /* streaming EP: set stall & reset */
1515 ret = rtl28xxu_wr_regs(d, USB_EPA_CTL, "\x10\x02", 2);
1522 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1526 static int rtl28xxu_power_ctrl(struct dvb_usb_device *d, int onoff)
1528 struct rtl28xxu_dev *dev = d_to_priv(d);
1530 if (dev->chip_id == CHIP_ID_RTL2831U)
1531 return rtl2831u_power_ctrl(d, onoff);
1533 return rtl2832u_power_ctrl(d, onoff);
1536 static int rtl28xxu_frontend_ctrl(struct dvb_frontend *fe, int onoff)
1538 struct dvb_usb_device *d = fe_to_d(fe);
1539 struct rtl28xxu_dev *dev = fe_to_priv(fe);
1540 struct rtl2832_platform_data *pdata = &dev->rtl2832_platform_data;
1544 dev_dbg(&d->intf->dev, "fe=%d onoff=%d\n", fe->id, onoff);
1546 if (dev->chip_id == CHIP_ID_RTL2831U)
1549 /* control internal demod ADC */
1550 if (fe->id == 0 && onoff)
1551 val = 0x48; /* enable ADC */
1553 val = 0x00; /* disable ADC */
1555 ret = rtl28xxu_wr_reg_mask(d, SYS_DEMOD_CTL, val, 0x48);
1559 /* bypass slave demod TS through master demod */
1560 if (fe->id == 1 && onoff) {
1561 ret = pdata->enable_slave_ts(dev->i2c_client_demod);
1568 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1572 #if IS_ENABLED(CONFIG_RC_CORE)
1573 static int rtl2831u_rc_query(struct dvb_usb_device *d)
1576 struct rtl28xxu_dev *dev = d->priv;
1579 struct rtl28xxu_reg_val rc_nec_tab[] = {
1596 /* init remote controller */
1597 if (!dev->rc_active) {
1598 for (i = 0; i < ARRAY_SIZE(rc_nec_tab); i++) {
1599 ret = rtl28xxu_wr_reg(d, rc_nec_tab[i].reg,
1604 dev->rc_active = true;
1607 ret = rtl28xxu_rd_regs(d, SYS_IRRC_RP, buf, 5);
1611 if (buf[4] & 0x01) {
1612 if (buf[2] == (u8) ~buf[3]) {
1613 if (buf[0] == (u8) ~buf[1]) {
1614 /* NEC standard (16 bit) */
1615 rc_code = RC_SCANCODE_NEC(buf[0], buf[2]);
1617 /* NEC extended (24 bit) */
1618 rc_code = RC_SCANCODE_NECX(buf[0] << 8 | buf[1],
1622 /* NEC full (32 bit) */
1623 rc_code = RC_SCANCODE_NEC32(buf[0] << 24 | buf[1] << 16 |
1624 buf[2] << 8 | buf[3]);
1627 rc_keydown(d->rc_dev, RC_TYPE_NEC, rc_code, 0);
1629 ret = rtl28xxu_wr_reg(d, SYS_IRRC_SR, 1);
1633 /* repeated intentionally to avoid extra keypress */
1634 ret = rtl28xxu_wr_reg(d, SYS_IRRC_SR, 1);
1641 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1645 static int rtl2831u_get_rc_config(struct dvb_usb_device *d,
1646 struct dvb_usb_rc *rc)
1648 rc->map_name = RC_MAP_EMPTY;
1649 rc->allowed_protos = RC_BIT_NEC;
1650 rc->query = rtl2831u_rc_query;
1656 static int rtl2832u_rc_query(struct dvb_usb_device *d)
1659 struct rtl28xxu_dev *dev = d->priv;
1660 struct ir_raw_event ev;
1662 static const struct rtl28xxu_reg_val_mask refresh_tab[] = {
1663 {IR_RX_IF, 0x03, 0xff},
1664 {IR_RX_BUF_CTRL, 0x80, 0xff},
1665 {IR_RX_CTRL, 0x80, 0xff},
1668 /* init remote controller */
1669 if (!dev->rc_active) {
1670 static const struct rtl28xxu_reg_val_mask init_tab[] = {
1671 {SYS_DEMOD_CTL1, 0x00, 0x04},
1672 {SYS_DEMOD_CTL1, 0x00, 0x08},
1673 {USB_CTRL, 0x20, 0x20},
1674 {SYS_GPIO_DIR, 0x00, 0x08},
1675 {SYS_GPIO_OUT_EN, 0x08, 0x08},
1676 {SYS_GPIO_OUT_VAL, 0x08, 0x08},
1677 {IR_MAX_DURATION0, 0xd0, 0xff},
1678 {IR_MAX_DURATION1, 0x07, 0xff},
1679 {IR_IDLE_LEN0, 0xc0, 0xff},
1680 {IR_IDLE_LEN1, 0x00, 0xff},
1681 {IR_GLITCH_LEN, 0x03, 0xff},
1682 {IR_RX_CLK, 0x09, 0xff},
1683 {IR_RX_CFG, 0x1c, 0xff},
1684 {IR_MAX_H_TOL_LEN, 0x1e, 0xff},
1685 {IR_MAX_L_TOL_LEN, 0x1e, 0xff},
1686 {IR_RX_CTRL, 0x80, 0xff},
1689 for (i = 0; i < ARRAY_SIZE(init_tab); i++) {
1690 ret = rtl28xxu_wr_reg_mask(d, init_tab[i].reg,
1691 init_tab[i].val, init_tab[i].mask);
1696 dev->rc_active = true;
1699 ret = rtl28xxu_rd_reg(d, IR_RX_IF, &buf[0]);
1706 ret = rtl28xxu_rd_reg(d, IR_RX_BC, &buf[0]);
1712 /* read raw code from hw */
1713 ret = rtl28xxu_rd_regs(d, IR_RX_BUF, buf, len);
1717 /* let hw receive new code */
1718 for (i = 0; i < ARRAY_SIZE(refresh_tab); i++) {
1719 ret = rtl28xxu_wr_reg_mask(d, refresh_tab[i].reg,
1720 refresh_tab[i].val, refresh_tab[i].mask);
1725 /* pass data to Kernel IR decoder */
1726 init_ir_raw_event(&ev);
1728 for (i = 0; i < len; i++) {
1729 ev.pulse = buf[i] >> 7;
1730 ev.duration = 50800 * (buf[i] & 0x7f);
1731 ir_raw_event_store_with_filter(d->rc_dev, &ev);
1734 /* 'flush' ir_raw_event_store_with_filter() */
1735 ir_raw_event_set_idle(d->rc_dev, true);
1736 ir_raw_event_handle(d->rc_dev);
1740 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1744 static int rtl2832u_get_rc_config(struct dvb_usb_device *d,
1745 struct dvb_usb_rc *rc)
1747 /* disable IR interrupts in order to avoid SDR sample loss */
1748 if (rtl28xxu_disable_rc)
1749 return rtl28xxu_wr_reg(d, IR_RX_IE, 0x00);
1751 /* load empty to enable rc */
1753 rc->map_name = RC_MAP_EMPTY;
1754 rc->allowed_protos = RC_BIT_ALL;
1755 rc->driver_type = RC_DRIVER_IR_RAW;
1756 rc->query = rtl2832u_rc_query;
1762 static int rtl28xxu_get_rc_config(struct dvb_usb_device *d,
1763 struct dvb_usb_rc *rc)
1765 struct rtl28xxu_dev *dev = d_to_priv(d);
1767 if (dev->chip_id == CHIP_ID_RTL2831U)
1768 return rtl2831u_get_rc_config(d, rc);
1770 return rtl2832u_get_rc_config(d, rc);
1773 #define rtl28xxu_get_rc_config NULL
1776 static int rtl28xxu_pid_filter_ctrl(struct dvb_usb_adapter *adap, int onoff)
1778 struct rtl28xxu_dev *dev = adap_to_priv(adap);
1780 if (dev->chip_id == CHIP_ID_RTL2831U) {
1781 struct rtl2830_platform_data *pdata = &dev->rtl2830_platform_data;
1783 return pdata->pid_filter_ctrl(adap->fe[0], onoff);
1785 struct rtl2832_platform_data *pdata = &dev->rtl2832_platform_data;
1787 return pdata->pid_filter_ctrl(adap->fe[0], onoff);
1791 static int rtl28xxu_pid_filter(struct dvb_usb_adapter *adap, int index,
1794 struct rtl28xxu_dev *dev = adap_to_priv(adap);
1796 if (dev->chip_id == CHIP_ID_RTL2831U) {
1797 struct rtl2830_platform_data *pdata = &dev->rtl2830_platform_data;
1799 return pdata->pid_filter(adap->fe[0], index, pid, onoff);
1801 struct rtl2832_platform_data *pdata = &dev->rtl2832_platform_data;
1803 return pdata->pid_filter(adap->fe[0], index, pid, onoff);
1807 static const struct dvb_usb_device_properties rtl28xxu_props = {
1808 .driver_name = KBUILD_MODNAME,
1809 .owner = THIS_MODULE,
1810 .adapter_nr = adapter_nr,
1811 .size_of_priv = sizeof(struct rtl28xxu_dev),
1813 .identify_state = rtl28xxu_identify_state,
1814 .power_ctrl = rtl28xxu_power_ctrl,
1815 .frontend_ctrl = rtl28xxu_frontend_ctrl,
1816 .i2c_algo = &rtl28xxu_i2c_algo,
1817 .read_config = rtl28xxu_read_config,
1818 .frontend_attach = rtl28xxu_frontend_attach,
1819 .frontend_detach = rtl28xxu_frontend_detach,
1820 .tuner_attach = rtl28xxu_tuner_attach,
1821 .tuner_detach = rtl28xxu_tuner_detach,
1822 .init = rtl28xxu_init,
1823 .get_rc_config = rtl28xxu_get_rc_config,
1828 .caps = DVB_USB_ADAP_HAS_PID_FILTER |
1829 DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
1831 .pid_filter_count = 32,
1832 .pid_filter_ctrl = rtl28xxu_pid_filter_ctrl,
1833 .pid_filter = rtl28xxu_pid_filter,
1835 .stream = DVB_USB_STREAM_BULK(0x81, 6, 8 * 512),
1840 static const struct usb_device_id rtl28xxu_id_table[] = {
1841 /* RTL2831U devices: */
1842 { DVB_USB_DEVICE(USB_VID_REALTEK, USB_PID_REALTEK_RTL2831U,
1843 &rtl28xxu_props, "Realtek RTL2831U reference design", NULL) },
1844 { DVB_USB_DEVICE(USB_VID_WIDEVIEW, USB_PID_FREECOM_DVBT,
1845 &rtl28xxu_props, "Freecom USB2.0 DVB-T", NULL) },
1846 { DVB_USB_DEVICE(USB_VID_WIDEVIEW, USB_PID_FREECOM_DVBT_2,
1847 &rtl28xxu_props, "Freecom USB2.0 DVB-T", NULL) },
1849 /* RTL2832U devices: */
1850 { DVB_USB_DEVICE(USB_VID_REALTEK, 0x2832,
1851 &rtl28xxu_props, "Realtek RTL2832U reference design", NULL) },
1852 { DVB_USB_DEVICE(USB_VID_REALTEK, 0x2838,
1853 &rtl28xxu_props, "Realtek RTL2832U reference design", NULL) },
1854 { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_CINERGY_T_STICK_BLACK_REV1,
1855 &rtl28xxu_props, "TerraTec Cinergy T Stick Black", RC_MAP_TERRATEC_SLIM) },
1856 { DVB_USB_DEVICE(USB_VID_GTEK, USB_PID_DELOCK_USB2_DVBT,
1857 &rtl28xxu_props, "G-Tek Electronics Group Lifeview LV5TDLX DVB-T", NULL) },
1858 { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_NOXON_DAB_STICK,
1859 &rtl28xxu_props, "TerraTec NOXON DAB Stick", NULL) },
1860 { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_NOXON_DAB_STICK_REV2,
1861 &rtl28xxu_props, "TerraTec NOXON DAB Stick (rev 2)", NULL) },
1862 { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_NOXON_DAB_STICK_REV3,
1863 &rtl28xxu_props, "TerraTec NOXON DAB Stick (rev 3)", NULL) },
1864 { DVB_USB_DEVICE(USB_VID_GTEK, USB_PID_TREKSTOR_TERRES_2_0,
1865 &rtl28xxu_props, "Trekstor DVB-T Stick Terres 2.0", NULL) },
1866 { DVB_USB_DEVICE(USB_VID_DEXATEK, 0x1101,
1867 &rtl28xxu_props, "Dexatek DK DVB-T Dongle", NULL) },
1868 { DVB_USB_DEVICE(USB_VID_LEADTEK, 0x6680,
1869 &rtl28xxu_props, "DigitalNow Quad DVB-T Receiver", NULL) },
1870 { DVB_USB_DEVICE(USB_VID_LEADTEK, USB_PID_WINFAST_DTV_DONGLE_MINID,
1871 &rtl28xxu_props, "Leadtek Winfast DTV Dongle Mini D", NULL) },
1872 { DVB_USB_DEVICE(USB_VID_LEADTEK, USB_PID_WINFAST_DTV2000DS_PLUS,
1873 &rtl28xxu_props, "Leadtek WinFast DTV2000DS Plus", RC_MAP_LEADTEK_Y04G0051) },
1874 { DVB_USB_DEVICE(USB_VID_TERRATEC, 0x00d3,
1875 &rtl28xxu_props, "TerraTec Cinergy T Stick RC (Rev. 3)", NULL) },
1876 { DVB_USB_DEVICE(USB_VID_DEXATEK, 0x1102,
1877 &rtl28xxu_props, "Dexatek DK mini DVB-T Dongle", NULL) },
1878 { DVB_USB_DEVICE(USB_VID_TERRATEC, 0x00d7,
1879 &rtl28xxu_props, "TerraTec Cinergy T Stick+", NULL) },
1880 { DVB_USB_DEVICE(USB_VID_KWORLD_2, 0xd3a8,
1881 &rtl28xxu_props, "ASUS My Cinema-U3100Mini Plus V2", NULL) },
1882 { DVB_USB_DEVICE(USB_VID_KWORLD_2, 0xd393,
1883 &rtl28xxu_props, "GIGABYTE U7300", NULL) },
1884 { DVB_USB_DEVICE(USB_VID_DEXATEK, 0x1104,
1885 &rtl28xxu_props, "MSI DIGIVOX Micro HD", NULL) },
1886 { DVB_USB_DEVICE(USB_VID_COMPRO, 0x0620,
1887 &rtl28xxu_props, "Compro VideoMate U620F", NULL) },
1888 { DVB_USB_DEVICE(USB_VID_KWORLD_2, 0xd394,
1889 &rtl28xxu_props, "MaxMedia HU394-T", NULL) },
1890 { DVB_USB_DEVICE(USB_VID_LEADTEK, 0x6a03,
1891 &rtl28xxu_props, "Leadtek WinFast DTV Dongle mini", NULL) },
1892 { DVB_USB_DEVICE(USB_VID_GTEK, USB_PID_CPYTO_REDI_PC50A,
1893 &rtl28xxu_props, "Crypto ReDi PC 50 A", NULL) },
1894 { DVB_USB_DEVICE(USB_VID_KYE, 0x707f,
1895 &rtl28xxu_props, "Genius TVGo DVB-T03", NULL) },
1896 { DVB_USB_DEVICE(USB_VID_KWORLD_2, 0xd395,
1897 &rtl28xxu_props, "Peak DVB-T USB", NULL) },
1898 { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_SVEON_STV20_RTL2832U,
1899 &rtl28xxu_props, "Sveon STV20", NULL) },
1900 { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_SVEON_STV21,
1901 &rtl28xxu_props, "Sveon STV21", NULL) },
1902 { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_SVEON_STV27,
1903 &rtl28xxu_props, "Sveon STV27", NULL) },
1904 { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_TURBOX_DTT_2000,
1905 &rtl28xxu_props, "TURBO-X Pure TV Tuner DTT-2000", NULL) },
1907 /* RTL2832P devices: */
1908 { DVB_USB_DEVICE(USB_VID_HANFTEK, 0x0131,
1909 &rtl28xxu_props, "Astrometa DVB-T2", NULL) },
1910 { DVB_USB_DEVICE(0x5654, 0xca42,
1911 &rtl28xxu_props, "GoTView MasterHD 3", NULL) },
1914 MODULE_DEVICE_TABLE(usb, rtl28xxu_id_table);
1916 static struct usb_driver rtl28xxu_usb_driver = {
1917 .name = KBUILD_MODNAME,
1918 .id_table = rtl28xxu_id_table,
1919 .probe = dvb_usbv2_probe,
1920 .disconnect = dvb_usbv2_disconnect,
1921 .suspend = dvb_usbv2_suspend,
1922 .resume = dvb_usbv2_resume,
1923 .reset_resume = dvb_usbv2_reset_resume,
1928 module_usb_driver(rtl28xxu_usb_driver);
1930 MODULE_DESCRIPTION("Realtek RTL28xxU DVB USB driver");
1931 MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
1932 MODULE_AUTHOR("Thomas Mair <thomas.mair86@googlemail.com>");
1933 MODULE_LICENSE("GPL");