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);
55 * Zero-length transfers must use usb_sndctrlpipe() and
56 * rtl28xxu_identify_state() uses a zero-length i2c read
57 * command to determine the chip type.
60 pipe = usb_rcvctrlpipe(d->udev, 0);
62 pipe = usb_sndctrlpipe(d->udev, 0);
65 ret = usb_control_msg(d->udev, pipe, 0, requesttype, req->value,
66 req->index, dev->buf, req->size, 1000);
67 dvb_usb_dbg_usb_control_msg(d->udev, 0, requesttype, req->value,
68 req->index, dev->buf, req->size);
70 goto err_mutex_unlock;
72 /* read request, copy returned data to return buf */
73 if (requesttype == (USB_TYPE_VENDOR | USB_DIR_IN))
74 memcpy(req->data, dev->buf, req->size);
76 mutex_unlock(&d->usb_mutex);
80 mutex_unlock(&d->usb_mutex);
81 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
85 static int rtl28xxu_wr_regs(struct dvb_usb_device *d, u16 reg, u8 *val, int len)
87 struct rtl28xxu_req req;
90 req.index = CMD_USB_WR;
91 else if (reg < 0x4000)
92 req.index = CMD_SYS_WR;
94 req.index = CMD_IR_WR;
100 return rtl28xxu_ctrl_msg(d, &req);
103 static int rtl28xxu_rd_regs(struct dvb_usb_device *d, u16 reg, u8 *val, int len)
105 struct rtl28xxu_req req;
108 req.index = CMD_USB_RD;
109 else if (reg < 0x4000)
110 req.index = CMD_SYS_RD;
112 req.index = CMD_IR_RD;
118 return rtl28xxu_ctrl_msg(d, &req);
121 static int rtl28xxu_wr_reg(struct dvb_usb_device *d, u16 reg, u8 val)
123 return rtl28xxu_wr_regs(d, reg, &val, 1);
126 static int rtl28xxu_rd_reg(struct dvb_usb_device *d, u16 reg, u8 *val)
128 return rtl28xxu_rd_regs(d, reg, val, 1);
131 static int rtl28xxu_wr_reg_mask(struct dvb_usb_device *d, u16 reg, u8 val,
137 /* no need for read if whole reg is written */
139 ret = rtl28xxu_rd_reg(d, reg, &tmp);
148 return rtl28xxu_wr_reg(d, reg, val);
152 static int rtl28xxu_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[],
156 struct dvb_usb_device *d = i2c_get_adapdata(adap);
157 struct rtl28xxu_dev *dev = d->priv;
158 struct rtl28xxu_req req;
161 * It is not known which are real I2C bus xfer limits, but testing
162 * with RTL2831U + MT2060 gives max RD 24 and max WR 22 bytes.
163 * TODO: find out RTL2832U lens
167 * I2C adapter logic looks rather complicated due to fact it handles
168 * three different access methods. Those methods are;
169 * 1) integrated demod access
173 * Used method is selected in order 1, 2, 3. Method 3 can handle all
174 * requests but there is two reasons why not use it always;
175 * 1) It is most expensive, usually two USB messages are needed
176 * 2) At least RTL2831U does not support it
178 * Method 3 is needed in case of I2C write+read (typical register read)
179 * where write is more than one byte.
182 if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
185 if (num == 2 && !(msg[0].flags & I2C_M_RD) &&
186 (msg[1].flags & I2C_M_RD)) {
187 if (msg[0].len > 24 || msg[1].len > 24) {
188 /* TODO: check msg[0].len max */
190 goto err_mutex_unlock;
191 } else if (msg[0].addr == 0x10) {
192 /* method 1 - integrated demod */
193 req.value = (msg[0].buf[0] << 8) | (msg[0].addr << 1);
194 req.index = CMD_DEMOD_RD | dev->page;
195 req.size = msg[1].len;
196 req.data = &msg[1].buf[0];
197 ret = rtl28xxu_ctrl_msg(d, &req);
198 } else if (msg[0].len < 2) {
199 /* method 2 - old I2C */
200 req.value = (msg[0].buf[0] << 8) | (msg[0].addr << 1);
201 req.index = CMD_I2C_RD;
202 req.size = msg[1].len;
203 req.data = &msg[1].buf[0];
204 ret = rtl28xxu_ctrl_msg(d, &req);
206 /* method 3 - new I2C */
207 req.value = (msg[0].addr << 1);
208 req.index = CMD_I2C_DA_WR;
209 req.size = msg[0].len;
210 req.data = msg[0].buf;
211 ret = rtl28xxu_ctrl_msg(d, &req);
213 goto err_mutex_unlock;
215 req.value = (msg[0].addr << 1);
216 req.index = CMD_I2C_DA_RD;
217 req.size = msg[1].len;
218 req.data = msg[1].buf;
219 ret = rtl28xxu_ctrl_msg(d, &req);
221 } else if (num == 1 && !(msg[0].flags & I2C_M_RD)) {
222 if (msg[0].len > 22) {
223 /* TODO: check msg[0].len max */
225 goto err_mutex_unlock;
226 } else if (msg[0].addr == 0x10) {
227 /* method 1 - integrated demod */
228 if (msg[0].buf[0] == 0x00) {
229 /* save demod page for later demod access */
230 dev->page = msg[0].buf[1];
233 req.value = (msg[0].buf[0] << 8) |
235 req.index = CMD_DEMOD_WR | dev->page;
236 req.size = msg[0].len-1;
237 req.data = &msg[0].buf[1];
238 ret = rtl28xxu_ctrl_msg(d, &req);
240 } else if ((msg[0].len < 23) && (!dev->new_i2c_write)) {
241 /* method 2 - old I2C */
242 req.value = (msg[0].buf[0] << 8) | (msg[0].addr << 1);
243 req.index = CMD_I2C_WR;
244 req.size = msg[0].len-1;
245 req.data = &msg[0].buf[1];
246 ret = rtl28xxu_ctrl_msg(d, &req);
248 /* method 3 - new I2C */
249 req.value = (msg[0].addr << 1);
250 req.index = CMD_I2C_DA_WR;
251 req.size = msg[0].len;
252 req.data = msg[0].buf;
253 ret = rtl28xxu_ctrl_msg(d, &req);
255 } else if (num == 1 && (msg[0].flags & I2C_M_RD)) {
256 req.value = (msg[0].addr << 1);
257 req.index = CMD_I2C_DA_RD;
258 req.size = msg[0].len;
259 req.data = msg[0].buf;
260 ret = rtl28xxu_ctrl_msg(d, &req);
266 mutex_unlock(&d->i2c_mutex);
268 return ret ? ret : num;
271 static u32 rtl28xxu_i2c_func(struct i2c_adapter *adapter)
276 static struct i2c_algorithm rtl28xxu_i2c_algo = {
277 .master_xfer = rtl28xxu_i2c_xfer,
278 .functionality = rtl28xxu_i2c_func,
281 static int rtl2831u_read_config(struct dvb_usb_device *d)
283 struct rtl28xxu_dev *dev = d_to_priv(d);
286 /* open RTL2831U/RTL2830 I2C gate */
287 struct rtl28xxu_req req_gate_open = {0x0120, 0x0011, 0x0001, "\x08"};
289 struct rtl28xxu_req req_mt2060 = {0x00c0, CMD_I2C_RD, 1, buf};
290 struct rtl28xxu_req req_qt1010 = {0x0fc4, CMD_I2C_RD, 1, buf};
292 dev_dbg(&d->intf->dev, "\n");
296 * =========================================================
297 * GPIO0 | tuner#0 | 0 off | 1 on | MXL5005S (?)
298 * GPIO2 | LED | 0 off | 1 on |
299 * GPIO4 | tuner#1 | 0 on | 1 off | MT2060
303 ret = rtl28xxu_wr_reg(d, SYS_GPIO_DIR, 0x0a);
307 /* enable as output GPIO0, GPIO2, GPIO4 */
308 ret = rtl28xxu_wr_reg(d, SYS_GPIO_OUT_EN, 0x15);
313 * Probe used tuner. We need to know used tuner before demod attach
314 * since there is some demod params needed to set according to tuner.
317 /* demod needs some time to wake up */
320 dev->tuner_name = "NONE";
322 /* open demod I2C gate */
323 ret = rtl28xxu_ctrl_msg(d, &req_gate_open);
327 /* check QT1010 ID(?) register; reg=0f val=2c */
328 ret = rtl28xxu_ctrl_msg(d, &req_qt1010);
329 if (ret == 0 && buf[0] == 0x2c) {
330 dev->tuner = TUNER_RTL2830_QT1010;
331 dev->tuner_name = "QT1010";
335 /* open demod I2C gate */
336 ret = rtl28xxu_ctrl_msg(d, &req_gate_open);
340 /* check MT2060 ID register; reg=00 val=63 */
341 ret = rtl28xxu_ctrl_msg(d, &req_mt2060);
342 if (ret == 0 && buf[0] == 0x63) {
343 dev->tuner = TUNER_RTL2830_MT2060;
344 dev->tuner_name = "MT2060";
348 /* assume MXL5005S */
349 dev->tuner = TUNER_RTL2830_MXL5005S;
350 dev->tuner_name = "MXL5005S";
354 dev_dbg(&d->intf->dev, "tuner=%s\n", dev->tuner_name);
358 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
362 static int rtl2832u_read_config(struct dvb_usb_device *d)
364 struct rtl28xxu_dev *dev = d_to_priv(d);
367 /* open RTL2832U/RTL2832 I2C gate */
368 struct rtl28xxu_req req_gate_open = {0x0120, 0x0011, 0x0001, "\x18"};
369 /* close RTL2832U/RTL2832 I2C gate */
370 struct rtl28xxu_req req_gate_close = {0x0120, 0x0011, 0x0001, "\x10"};
372 struct rtl28xxu_req req_fc0012 = {0x00c6, CMD_I2C_RD, 1, buf};
373 struct rtl28xxu_req req_fc0013 = {0x00c6, CMD_I2C_RD, 1, buf};
374 struct rtl28xxu_req req_mt2266 = {0x00c0, CMD_I2C_RD, 1, buf};
375 struct rtl28xxu_req req_fc2580 = {0x01ac, CMD_I2C_RD, 1, buf};
376 struct rtl28xxu_req req_mt2063 = {0x00c0, CMD_I2C_RD, 1, buf};
377 struct rtl28xxu_req req_max3543 = {0x00c0, CMD_I2C_RD, 1, buf};
378 struct rtl28xxu_req req_tua9001 = {0x7ec0, CMD_I2C_RD, 2, buf};
379 struct rtl28xxu_req req_mxl5007t = {0xd9c0, CMD_I2C_RD, 1, buf};
380 struct rtl28xxu_req req_e4000 = {0x02c8, CMD_I2C_RD, 1, buf};
381 struct rtl28xxu_req req_tda18272 = {0x00c0, CMD_I2C_RD, 2, buf};
382 struct rtl28xxu_req req_r820t = {0x0034, CMD_I2C_RD, 1, buf};
383 struct rtl28xxu_req req_r828d = {0x0074, CMD_I2C_RD, 1, buf};
384 struct rtl28xxu_req req_mn88472 = {0xff38, CMD_I2C_RD, 1, buf};
385 struct rtl28xxu_req req_mn88473 = {0xff38, CMD_I2C_RD, 1, buf};
386 struct rtl28xxu_req req_si2157 = {0x00c0, CMD_I2C_RD, 1, buf};
387 struct rtl28xxu_req req_si2168 = {0x00c8, CMD_I2C_RD, 1, buf};
389 dev_dbg(&d->intf->dev, "\n");
391 /* enable GPIO3 and GPIO6 as output */
392 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_DIR, 0x00, 0x40);
396 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x48, 0x48);
401 * Probe used tuner. We need to know used tuner before demod attach
402 * since there is some demod params needed to set according to tuner.
405 /* open demod I2C gate */
406 ret = rtl28xxu_ctrl_msg(d, &req_gate_open);
410 dev->tuner_name = "NONE";
412 /* check FC0012 ID register; reg=00 val=a1 */
413 ret = rtl28xxu_ctrl_msg(d, &req_fc0012);
414 if (ret == 0 && buf[0] == 0xa1) {
415 dev->tuner = TUNER_RTL2832_FC0012;
416 dev->tuner_name = "FC0012";
420 /* check FC0013 ID register; reg=00 val=a3 */
421 ret = rtl28xxu_ctrl_msg(d, &req_fc0013);
422 if (ret == 0 && buf[0] == 0xa3) {
423 dev->tuner = TUNER_RTL2832_FC0013;
424 dev->tuner_name = "FC0013";
428 /* check MT2266 ID register; reg=00 val=85 */
429 ret = rtl28xxu_ctrl_msg(d, &req_mt2266);
430 if (ret == 0 && buf[0] == 0x85) {
431 dev->tuner = TUNER_RTL2832_MT2266;
432 dev->tuner_name = "MT2266";
436 /* check FC2580 ID register; reg=01 val=56 */
437 ret = rtl28xxu_ctrl_msg(d, &req_fc2580);
438 if (ret == 0 && buf[0] == 0x56) {
439 dev->tuner = TUNER_RTL2832_FC2580;
440 dev->tuner_name = "FC2580";
444 /* check MT2063 ID register; reg=00 val=9e || 9c */
445 ret = rtl28xxu_ctrl_msg(d, &req_mt2063);
446 if (ret == 0 && (buf[0] == 0x9e || buf[0] == 0x9c)) {
447 dev->tuner = TUNER_RTL2832_MT2063;
448 dev->tuner_name = "MT2063";
452 /* check MAX3543 ID register; reg=00 val=38 */
453 ret = rtl28xxu_ctrl_msg(d, &req_max3543);
454 if (ret == 0 && buf[0] == 0x38) {
455 dev->tuner = TUNER_RTL2832_MAX3543;
456 dev->tuner_name = "MAX3543";
460 /* check TUA9001 ID register; reg=7e val=2328 */
461 ret = rtl28xxu_ctrl_msg(d, &req_tua9001);
462 if (ret == 0 && buf[0] == 0x23 && buf[1] == 0x28) {
463 dev->tuner = TUNER_RTL2832_TUA9001;
464 dev->tuner_name = "TUA9001";
468 /* check MXL5007R ID register; reg=d9 val=14 */
469 ret = rtl28xxu_ctrl_msg(d, &req_mxl5007t);
470 if (ret == 0 && buf[0] == 0x14) {
471 dev->tuner = TUNER_RTL2832_MXL5007T;
472 dev->tuner_name = "MXL5007T";
476 /* check E4000 ID register; reg=02 val=40 */
477 ret = rtl28xxu_ctrl_msg(d, &req_e4000);
478 if (ret == 0 && buf[0] == 0x40) {
479 dev->tuner = TUNER_RTL2832_E4000;
480 dev->tuner_name = "E4000";
484 /* check TDA18272 ID register; reg=00 val=c760 */
485 ret = rtl28xxu_ctrl_msg(d, &req_tda18272);
486 if (ret == 0 && (buf[0] == 0xc7 || buf[1] == 0x60)) {
487 dev->tuner = TUNER_RTL2832_TDA18272;
488 dev->tuner_name = "TDA18272";
492 /* check R820T ID register; reg=00 val=69 */
493 ret = rtl28xxu_ctrl_msg(d, &req_r820t);
494 if (ret == 0 && buf[0] == 0x69) {
495 dev->tuner = TUNER_RTL2832_R820T;
496 dev->tuner_name = "R820T";
500 /* check R828D ID register; reg=00 val=69 */
501 ret = rtl28xxu_ctrl_msg(d, &req_r828d);
502 if (ret == 0 && buf[0] == 0x69) {
503 dev->tuner = TUNER_RTL2832_R828D;
504 dev->tuner_name = "R828D";
508 /* GPIO0 and GPIO5 to reset Si2157/Si2168 tuner and demod */
509 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x00, 0x21);
513 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x00, 0x21);
519 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x21, 0x21);
523 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x21, 0x21);
529 /* check Si2157 ID register; reg=c0 val=80 */
530 ret = rtl28xxu_ctrl_msg(d, &req_si2157);
531 if (ret == 0 && ((buf[0] & 0x80) == 0x80)) {
532 dev->tuner = TUNER_RTL2832_SI2157;
533 dev->tuner_name = "SI2157";
538 dev_dbg(&d->intf->dev, "tuner=%s\n", dev->tuner_name);
540 /* probe slave demod */
541 if (dev->tuner == TUNER_RTL2832_R828D) {
542 /* power on MN88472 demod on GPIO0 */
543 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x01, 0x01);
547 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_DIR, 0x00, 0x01);
551 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x01, 0x01);
555 /* check MN88472 answers */
556 ret = rtl28xxu_ctrl_msg(d, &req_mn88472);
557 if (ret == 0 && buf[0] == 0x02) {
558 dev_dbg(&d->intf->dev, "MN88472 found\n");
559 dev->slave_demod = SLAVE_DEMOD_MN88472;
563 ret = rtl28xxu_ctrl_msg(d, &req_mn88473);
564 if (ret == 0 && buf[0] == 0x03) {
565 dev_dbg(&d->intf->dev, "MN88473 found\n");
566 dev->slave_demod = SLAVE_DEMOD_MN88473;
570 if (dev->tuner == TUNER_RTL2832_SI2157) {
571 /* check Si2168 ID register; reg=c8 val=80 */
572 ret = rtl28xxu_ctrl_msg(d, &req_si2168);
573 if (ret == 0 && ((buf[0] & 0x80) == 0x80)) {
574 dev_dbg(&d->intf->dev, "Si2168 found\n");
575 dev->slave_demod = SLAVE_DEMOD_SI2168;
581 /* close demod I2C gate */
582 ret = rtl28xxu_ctrl_msg(d, &req_gate_close);
588 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
592 static int rtl28xxu_read_config(struct dvb_usb_device *d)
594 struct rtl28xxu_dev *dev = d_to_priv(d);
596 if (dev->chip_id == CHIP_ID_RTL2831U)
597 return rtl2831u_read_config(d);
599 return rtl2832u_read_config(d);
602 static int rtl28xxu_identify_state(struct dvb_usb_device *d, const char **name)
604 struct rtl28xxu_dev *dev = d_to_priv(d);
606 struct rtl28xxu_req req_demod_i2c = {0x0020, CMD_I2C_DA_RD, 0, NULL};
608 dev_dbg(&d->intf->dev, "\n");
611 * Detect chip type using I2C command that is not supported
614 ret = rtl28xxu_ctrl_msg(d, &req_demod_i2c);
616 dev->chip_id = CHIP_ID_RTL2831U;
617 } else if (ret == 0) {
618 dev->chip_id = CHIP_ID_RTL2832U;
620 dev_err(&d->intf->dev, "chip type detection failed %d\n", ret);
623 dev_dbg(&d->intf->dev, "chip_id=%u\n", dev->chip_id);
627 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
631 static const struct rtl2830_platform_data rtl2830_mt2060_platform_data = {
636 .agc_targ_val = 0x2d,
640 static const struct rtl2830_platform_data rtl2830_qt1010_platform_data = {
645 .agc_targ_val = 0x2d,
648 static const struct rtl2830_platform_data rtl2830_mxl5005s_platform_data = {
653 .agc_targ_val = 0x3e,
656 static int rtl2831u_frontend_attach(struct dvb_usb_adapter *adap)
658 struct dvb_usb_device *d = adap_to_d(adap);
659 struct rtl28xxu_dev *dev = d_to_priv(d);
660 struct rtl2830_platform_data *pdata = &dev->rtl2830_platform_data;
661 struct i2c_board_info board_info;
662 struct i2c_client *client;
665 dev_dbg(&d->intf->dev, "\n");
667 switch (dev->tuner) {
668 case TUNER_RTL2830_QT1010:
669 *pdata = rtl2830_qt1010_platform_data;
671 case TUNER_RTL2830_MT2060:
672 *pdata = rtl2830_mt2060_platform_data;
674 case TUNER_RTL2830_MXL5005S:
675 *pdata = rtl2830_mxl5005s_platform_data;
678 dev_err(&d->intf->dev, "unknown tuner %s\n", dev->tuner_name);
683 /* attach demodulator */
684 memset(&board_info, 0, sizeof(board_info));
685 strlcpy(board_info.type, "rtl2830", I2C_NAME_SIZE);
686 board_info.addr = 0x10;
687 board_info.platform_data = pdata;
688 request_module("%s", board_info.type);
689 client = i2c_new_device(&d->i2c_adap, &board_info);
690 if (client == NULL || client->dev.driver == NULL) {
695 if (!try_module_get(client->dev.driver->owner)) {
696 i2c_unregister_device(client);
701 adap->fe[0] = pdata->get_dvb_frontend(client);
702 dev->demod_i2c_adapter = pdata->get_i2c_adapter(client);
704 dev->i2c_client_demod = client;
708 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
712 static const struct rtl2832_platform_data rtl2832_fc2580_platform_data = {
714 .tuner = TUNER_RTL2832_FC2580,
717 static const struct rtl2832_platform_data rtl2832_fc0012_platform_data = {
719 .tuner = TUNER_RTL2832_FC0012
722 static const struct rtl2832_platform_data rtl2832_fc0013_platform_data = {
724 .tuner = TUNER_RTL2832_FC0013
727 static const struct rtl2832_platform_data rtl2832_tua9001_platform_data = {
729 .tuner = TUNER_RTL2832_TUA9001,
732 static const struct rtl2832_platform_data rtl2832_e4000_platform_data = {
734 .tuner = TUNER_RTL2832_E4000,
737 static const struct rtl2832_platform_data rtl2832_r820t_platform_data = {
739 .tuner = TUNER_RTL2832_R820T,
742 static const struct rtl2832_platform_data rtl2832_si2157_platform_data = {
744 .tuner = TUNER_RTL2832_SI2157,
747 static int rtl2832u_fc0012_tuner_callback(struct dvb_usb_device *d,
753 dev_dbg(&d->intf->dev, "cmd=%d arg=%d\n", cmd, arg);
756 case FC_FE_CALLBACK_VHF_ENABLE:
757 /* set output values */
758 ret = rtl28xxu_rd_reg(d, SYS_GPIO_OUT_VAL, &val);
763 val &= 0xbf; /* set GPIO6 low */
765 val |= 0x40; /* set GPIO6 high */
768 ret = rtl28xxu_wr_reg(d, SYS_GPIO_OUT_VAL, val);
778 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
782 static int rtl2832u_tua9001_tuner_callback(struct dvb_usb_device *d,
788 dev_dbg(&d->intf->dev, "cmd=%d arg=%d\n", cmd, arg);
791 * CEN always enabled by hardware wiring
797 case TUA9001_CMD_RESETN:
803 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, val, 0x10);
807 case TUA9001_CMD_RXEN:
813 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, val, 0x02);
821 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
825 static int rtl2832u_frontend_callback(void *adapter_priv, int component,
828 struct i2c_adapter *adapter = adapter_priv;
829 struct device *parent = adapter->dev.parent;
830 struct i2c_adapter *parent_adapter;
831 struct dvb_usb_device *d;
832 struct rtl28xxu_dev *dev;
835 * All tuners are connected to demod muxed I2C adapter. We have to
836 * resolve its parent adapter in order to get handle for this driver
837 * private data. That is a bit hackish solution, GPIO or direct driver
838 * callback would be better...
840 if (parent != NULL && parent->type == &i2c_adapter_type)
841 parent_adapter = to_i2c_adapter(parent);
845 d = i2c_get_adapdata(parent_adapter);
848 dev_dbg(&d->intf->dev, "component=%d cmd=%d arg=%d\n",
849 component, cmd, arg);
852 case DVB_FRONTEND_COMPONENT_TUNER:
853 switch (dev->tuner) {
854 case TUNER_RTL2832_FC0012:
855 return rtl2832u_fc0012_tuner_callback(d, cmd, arg);
856 case TUNER_RTL2832_TUA9001:
857 return rtl2832u_tua9001_tuner_callback(d, cmd, arg);
864 static int rtl2832u_frontend_attach(struct dvb_usb_adapter *adap)
866 struct dvb_usb_device *d = adap_to_d(adap);
867 struct rtl28xxu_dev *dev = d_to_priv(d);
868 struct rtl2832_platform_data *pdata = &dev->rtl2832_platform_data;
869 struct i2c_board_info board_info;
870 struct i2c_client *client;
873 dev_dbg(&d->intf->dev, "\n");
875 switch (dev->tuner) {
876 case TUNER_RTL2832_FC0012:
877 *pdata = rtl2832_fc0012_platform_data;
879 case TUNER_RTL2832_FC0013:
880 *pdata = rtl2832_fc0013_platform_data;
882 case TUNER_RTL2832_FC2580:
883 *pdata = rtl2832_fc2580_platform_data;
885 case TUNER_RTL2832_TUA9001:
886 *pdata = rtl2832_tua9001_platform_data;
888 case TUNER_RTL2832_E4000:
889 *pdata = rtl2832_e4000_platform_data;
891 case TUNER_RTL2832_R820T:
892 case TUNER_RTL2832_R828D:
893 *pdata = rtl2832_r820t_platform_data;
895 case TUNER_RTL2832_SI2157:
896 *pdata = rtl2832_si2157_platform_data;
899 dev_err(&d->intf->dev, "unknown tuner %s\n", dev->tuner_name);
904 /* attach demodulator */
905 memset(&board_info, 0, sizeof(board_info));
906 strlcpy(board_info.type, "rtl2832", I2C_NAME_SIZE);
907 board_info.addr = 0x10;
908 board_info.platform_data = pdata;
909 request_module("%s", board_info.type);
910 client = i2c_new_device(&d->i2c_adap, &board_info);
911 if (client == NULL || client->dev.driver == NULL) {
916 if (!try_module_get(client->dev.driver->owner)) {
917 i2c_unregister_device(client);
922 adap->fe[0] = pdata->get_dvb_frontend(client);
923 dev->demod_i2c_adapter = pdata->get_i2c_adapter(client);
925 dev->i2c_client_demod = client;
927 /* set fe callback */
928 adap->fe[0]->callback = rtl2832u_frontend_callback;
930 if (dev->slave_demod) {
931 struct i2c_board_info info = {};
934 * We continue on reduced mode, without DVB-T2/C, using master
935 * demod, when slave demod fails.
939 /* attach slave demodulator */
940 if (dev->slave_demod == SLAVE_DEMOD_MN88472) {
941 struct mn88472_config mn88472_config = {};
943 mn88472_config.fe = &adap->fe[1];
944 mn88472_config.i2c_wr_max = 22,
945 strlcpy(info.type, "mn88472", I2C_NAME_SIZE);
946 mn88472_config.xtal = 20500000;
947 mn88472_config.ts_mode = SERIAL_TS_MODE;
948 mn88472_config.ts_clock = VARIABLE_TS_CLOCK;
950 info.platform_data = &mn88472_config;
951 request_module(info.type);
952 client = i2c_new_device(&d->i2c_adap, &info);
953 if (client == NULL || client->dev.driver == NULL) {
954 dev->slave_demod = SLAVE_DEMOD_NONE;
955 goto err_slave_demod_failed;
958 if (!try_module_get(client->dev.driver->owner)) {
959 i2c_unregister_device(client);
960 dev->slave_demod = SLAVE_DEMOD_NONE;
961 goto err_slave_demod_failed;
964 dev->i2c_client_slave_demod = client;
965 } else if (dev->slave_demod == SLAVE_DEMOD_MN88473) {
966 struct mn88473_config mn88473_config = {};
968 mn88473_config.fe = &adap->fe[1];
969 mn88473_config.i2c_wr_max = 22,
970 strlcpy(info.type, "mn88473", I2C_NAME_SIZE);
972 info.platform_data = &mn88473_config;
973 request_module(info.type);
974 client = i2c_new_device(&d->i2c_adap, &info);
975 if (client == NULL || client->dev.driver == NULL) {
976 dev->slave_demod = SLAVE_DEMOD_NONE;
977 goto err_slave_demod_failed;
980 if (!try_module_get(client->dev.driver->owner)) {
981 i2c_unregister_device(client);
982 dev->slave_demod = SLAVE_DEMOD_NONE;
983 goto err_slave_demod_failed;
986 dev->i2c_client_slave_demod = client;
988 struct si2168_config si2168_config = {};
989 struct i2c_adapter *adapter;
991 si2168_config.i2c_adapter = &adapter;
992 si2168_config.fe = &adap->fe[1];
993 si2168_config.ts_mode = SI2168_TS_SERIAL;
994 si2168_config.ts_clock_inv = false;
995 si2168_config.ts_clock_gapped = true;
996 strlcpy(info.type, "si2168", I2C_NAME_SIZE);
998 info.platform_data = &si2168_config;
999 request_module(info.type);
1000 client = i2c_new_device(&d->i2c_adap, &info);
1001 if (client == NULL || client->dev.driver == NULL) {
1002 dev->slave_demod = SLAVE_DEMOD_NONE;
1003 goto err_slave_demod_failed;
1006 if (!try_module_get(client->dev.driver->owner)) {
1007 i2c_unregister_device(client);
1008 dev->slave_demod = SLAVE_DEMOD_NONE;
1009 goto err_slave_demod_failed;
1012 dev->i2c_client_slave_demod = client;
1014 /* for Si2168 devices use only new I2C write method */
1015 dev->new_i2c_write = true;
1019 err_slave_demod_failed:
1021 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1025 static int rtl28xxu_frontend_attach(struct dvb_usb_adapter *adap)
1027 struct rtl28xxu_dev *dev = adap_to_priv(adap);
1029 if (dev->chip_id == CHIP_ID_RTL2831U)
1030 return rtl2831u_frontend_attach(adap);
1032 return rtl2832u_frontend_attach(adap);
1035 static int rtl28xxu_frontend_detach(struct dvb_usb_adapter *adap)
1037 struct dvb_usb_device *d = adap_to_d(adap);
1038 struct rtl28xxu_dev *dev = d_to_priv(d);
1039 struct i2c_client *client;
1041 dev_dbg(&d->intf->dev, "\n");
1043 /* remove I2C slave demod */
1044 client = dev->i2c_client_slave_demod;
1046 module_put(client->dev.driver->owner);
1047 i2c_unregister_device(client);
1050 /* remove I2C demod */
1051 client = dev->i2c_client_demod;
1053 module_put(client->dev.driver->owner);
1054 i2c_unregister_device(client);
1060 static struct qt1010_config rtl28xxu_qt1010_config = {
1061 .i2c_address = 0x62, /* 0xc4 */
1064 static struct mt2060_config rtl28xxu_mt2060_config = {
1065 .i2c_address = 0x60, /* 0xc0 */
1069 static struct mxl5005s_config rtl28xxu_mxl5005s_config = {
1070 .i2c_address = 0x63, /* 0xc6 */
1071 .if_freq = IF_FREQ_4570000HZ,
1072 .xtal_freq = CRYSTAL_FREQ_16000000HZ,
1073 .agc_mode = MXL_SINGLE_AGC,
1074 .tracking_filter = MXL_TF_C_H,
1075 .rssi_enable = MXL_RSSI_ENABLE,
1076 .cap_select = MXL_CAP_SEL_ENABLE,
1077 .div_out = MXL_DIV_OUT_4,
1078 .clock_out = MXL_CLOCK_OUT_DISABLE,
1079 .output_load = MXL5005S_IF_OUTPUT_LOAD_200_OHM,
1080 .top = MXL5005S_TOP_25P2,
1081 .mod_mode = MXL_DIGITAL_MODE,
1082 .if_mode = MXL_ZERO_IF,
1083 .AgcMasterByte = 0x00,
1086 static int rtl2831u_tuner_attach(struct dvb_usb_adapter *adap)
1089 struct dvb_usb_device *d = adap_to_d(adap);
1090 struct rtl28xxu_dev *dev = d_to_priv(d);
1091 struct dvb_frontend *fe;
1093 dev_dbg(&d->intf->dev, "\n");
1095 switch (dev->tuner) {
1096 case TUNER_RTL2830_QT1010:
1097 fe = dvb_attach(qt1010_attach, adap->fe[0],
1098 dev->demod_i2c_adapter,
1099 &rtl28xxu_qt1010_config);
1101 case TUNER_RTL2830_MT2060:
1102 fe = dvb_attach(mt2060_attach, adap->fe[0],
1103 dev->demod_i2c_adapter,
1104 &rtl28xxu_mt2060_config, 1220);
1106 case TUNER_RTL2830_MXL5005S:
1107 fe = dvb_attach(mxl5005s_attach, adap->fe[0],
1108 dev->demod_i2c_adapter,
1109 &rtl28xxu_mxl5005s_config);
1113 dev_err(&d->intf->dev, "unknown tuner %d\n", dev->tuner);
1123 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1127 static const struct fc0012_config rtl2832u_fc0012_config = {
1128 .i2c_address = 0x63, /* 0xc6 >> 1 */
1129 .xtal_freq = FC_XTAL_28_8_MHZ,
1132 static const struct r820t_config rtl2832u_r820t_config = {
1135 .max_i2c_msg_len = 2,
1136 .rafael_chip = CHIP_R820T,
1139 static const struct r820t_config rtl2832u_r828d_config = {
1142 .max_i2c_msg_len = 2,
1143 .rafael_chip = CHIP_R828D,
1146 static int rtl2832u_tuner_attach(struct dvb_usb_adapter *adap)
1149 struct dvb_usb_device *d = adap_to_d(adap);
1150 struct rtl28xxu_dev *dev = d_to_priv(d);
1151 struct dvb_frontend *fe = NULL;
1152 struct i2c_board_info info;
1153 struct i2c_client *client;
1154 struct v4l2_subdev *subdev = NULL;
1155 struct platform_device *pdev;
1156 struct rtl2832_sdr_platform_data pdata;
1158 dev_dbg(&d->intf->dev, "\n");
1160 memset(&info, 0, sizeof(struct i2c_board_info));
1161 memset(&pdata, 0, sizeof(pdata));
1163 switch (dev->tuner) {
1164 case TUNER_RTL2832_FC0012:
1165 fe = dvb_attach(fc0012_attach, adap->fe[0],
1166 dev->demod_i2c_adapter, &rtl2832u_fc0012_config);
1168 /* since fc0012 includs reading the signal strength delegate
1169 * that to the tuner driver */
1170 adap->fe[0]->ops.read_signal_strength =
1171 adap->fe[0]->ops.tuner_ops.get_rf_strength;
1173 case TUNER_RTL2832_FC0013:
1174 fe = dvb_attach(fc0013_attach, adap->fe[0],
1175 dev->demod_i2c_adapter, 0xc6>>1, 0, FC_XTAL_28_8_MHZ);
1177 /* fc0013 also supports signal strength reading */
1178 adap->fe[0]->ops.read_signal_strength =
1179 adap->fe[0]->ops.tuner_ops.get_rf_strength;
1181 case TUNER_RTL2832_E4000: {
1182 struct e4000_config e4000_config = {
1187 strlcpy(info.type, "e4000", I2C_NAME_SIZE);
1189 info.platform_data = &e4000_config;
1191 request_module(info.type);
1192 client = i2c_new_device(dev->demod_i2c_adapter, &info);
1193 if (client == NULL || client->dev.driver == NULL)
1196 if (!try_module_get(client->dev.driver->owner)) {
1197 i2c_unregister_device(client);
1201 dev->i2c_client_tuner = client;
1202 subdev = i2c_get_clientdata(client);
1205 case TUNER_RTL2832_FC2580: {
1206 struct fc2580_platform_data fc2580_pdata = {
1207 .dvb_frontend = adap->fe[0],
1209 struct i2c_board_info board_info = {};
1211 strlcpy(board_info.type, "fc2580", I2C_NAME_SIZE);
1212 board_info.addr = 0x56;
1213 board_info.platform_data = &fc2580_pdata;
1214 request_module("fc2580");
1215 client = i2c_new_device(dev->demod_i2c_adapter,
1217 if (client == NULL || client->dev.driver == NULL)
1219 if (!try_module_get(client->dev.driver->owner)) {
1220 i2c_unregister_device(client);
1223 dev->i2c_client_tuner = client;
1224 subdev = fc2580_pdata.get_v4l2_subdev(client);
1227 case TUNER_RTL2832_TUA9001: {
1228 struct tua9001_platform_data tua9001_pdata = {
1229 .dvb_frontend = adap->fe[0],
1231 struct i2c_board_info board_info = {};
1233 /* enable GPIO1 and GPIO4 as output */
1234 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_DIR, 0x00, 0x12);
1238 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x12, 0x12);
1242 strlcpy(board_info.type, "tua9001", I2C_NAME_SIZE);
1243 board_info.addr = 0x60;
1244 board_info.platform_data = &tua9001_pdata;
1245 request_module("tua9001");
1246 client = i2c_new_device(dev->demod_i2c_adapter, &board_info);
1247 if (client == NULL || client->dev.driver == NULL)
1249 if (!try_module_get(client->dev.driver->owner)) {
1250 i2c_unregister_device(client);
1253 dev->i2c_client_tuner = client;
1256 case TUNER_RTL2832_R820T:
1257 fe = dvb_attach(r820t_attach, adap->fe[0],
1258 dev->demod_i2c_adapter,
1259 &rtl2832u_r820t_config);
1261 /* Use tuner to get the signal strength */
1262 adap->fe[0]->ops.read_signal_strength =
1263 adap->fe[0]->ops.tuner_ops.get_rf_strength;
1265 case TUNER_RTL2832_R828D:
1266 fe = dvb_attach(r820t_attach, adap->fe[0],
1267 dev->demod_i2c_adapter,
1268 &rtl2832u_r828d_config);
1269 adap->fe[0]->ops.read_signal_strength =
1270 adap->fe[0]->ops.tuner_ops.get_rf_strength;
1273 fe = dvb_attach(r820t_attach, adap->fe[1],
1274 dev->demod_i2c_adapter,
1275 &rtl2832u_r828d_config);
1276 adap->fe[1]->ops.read_signal_strength =
1277 adap->fe[1]->ops.tuner_ops.get_rf_strength;
1280 case TUNER_RTL2832_SI2157: {
1281 struct si2157_config si2157_config = {
1287 strlcpy(info.type, "si2157", I2C_NAME_SIZE);
1289 info.platform_data = &si2157_config;
1290 request_module(info.type);
1291 client = i2c_new_device(&d->i2c_adap, &info);
1292 if (client == NULL || client->dev.driver == NULL)
1295 if (!try_module_get(client->dev.driver->owner)) {
1296 i2c_unregister_device(client);
1300 dev->i2c_client_tuner = client;
1301 subdev = i2c_get_clientdata(client);
1303 /* copy tuner ops for 2nd FE as tuner is shared */
1305 adap->fe[1]->tuner_priv =
1306 adap->fe[0]->tuner_priv;
1307 memcpy(&adap->fe[1]->ops.tuner_ops,
1308 &adap->fe[0]->ops.tuner_ops,
1309 sizeof(struct dvb_tuner_ops));
1314 dev_err(&d->intf->dev, "unknown tuner %d\n", dev->tuner);
1316 if (fe == NULL && dev->i2c_client_tuner == NULL) {
1322 switch (dev->tuner) {
1323 case TUNER_RTL2832_FC2580:
1324 case TUNER_RTL2832_FC0012:
1325 case TUNER_RTL2832_FC0013:
1326 case TUNER_RTL2832_E4000:
1327 case TUNER_RTL2832_R820T:
1328 case TUNER_RTL2832_R828D:
1329 pdata.clk = dev->rtl2832_platform_data.clk;
1330 pdata.tuner = dev->tuner;
1331 pdata.i2c_client = dev->i2c_client_demod;
1332 pdata.bulk_read = dev->rtl2832_platform_data.bulk_read;
1333 pdata.bulk_write = dev->rtl2832_platform_data.bulk_write;
1334 pdata.update_bits = dev->rtl2832_platform_data.update_bits;
1335 pdata.dvb_frontend = adap->fe[0];
1336 pdata.dvb_usb_device = d;
1337 pdata.v4l2_subdev = subdev;
1339 request_module("%s", "rtl2832_sdr");
1340 pdev = platform_device_register_data(&d->intf->dev,
1342 PLATFORM_DEVID_AUTO,
1343 &pdata, sizeof(pdata));
1344 if (IS_ERR(pdev) || pdev->dev.driver == NULL)
1346 dev->platform_device_sdr = pdev;
1349 dev_dbg(&d->intf->dev, "no SDR for tuner=%d\n", dev->tuner);
1354 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1358 static int rtl28xxu_tuner_attach(struct dvb_usb_adapter *adap)
1360 struct rtl28xxu_dev *dev = adap_to_priv(adap);
1362 if (dev->chip_id == CHIP_ID_RTL2831U)
1363 return rtl2831u_tuner_attach(adap);
1365 return rtl2832u_tuner_attach(adap);
1368 static int rtl28xxu_tuner_detach(struct dvb_usb_adapter *adap)
1370 struct dvb_usb_device *d = adap_to_d(adap);
1371 struct rtl28xxu_dev *dev = d_to_priv(d);
1372 struct i2c_client *client;
1373 struct platform_device *pdev;
1375 dev_dbg(&d->intf->dev, "\n");
1377 /* remove platform SDR */
1378 pdev = dev->platform_device_sdr;
1380 platform_device_unregister(pdev);
1382 /* remove I2C tuner */
1383 client = dev->i2c_client_tuner;
1385 module_put(client->dev.driver->owner);
1386 i2c_unregister_device(client);
1392 static int rtl28xxu_init(struct dvb_usb_device *d)
1397 dev_dbg(&d->intf->dev, "\n");
1399 /* init USB endpoints */
1400 ret = rtl28xxu_rd_reg(d, USB_SYSCTL_0, &val);
1404 /* enable DMA and Full Packet Mode*/
1406 ret = rtl28xxu_wr_reg(d, USB_SYSCTL_0, val);
1410 /* set EPA maximum packet size to 0x0200 */
1411 ret = rtl28xxu_wr_regs(d, USB_EPA_MAXPKT, "\x00\x02\x00\x00", 4);
1415 /* change EPA FIFO length */
1416 ret = rtl28xxu_wr_regs(d, USB_EPA_FIFO_CFG, "\x14\x00\x00\x00", 4);
1422 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1426 static int rtl2831u_power_ctrl(struct dvb_usb_device *d, int onoff)
1429 u8 gpio, sys0, epa_ctl[2];
1431 dev_dbg(&d->intf->dev, "onoff=%d\n", onoff);
1434 ret = rtl28xxu_rd_reg(d, SYS_SYS0, &sys0);
1438 /* tuner power, read GPIOs */
1439 ret = rtl28xxu_rd_reg(d, SYS_GPIO_OUT_VAL, &gpio);
1443 dev_dbg(&d->intf->dev, "RD SYS0=%02x GPIO_OUT_VAL=%02x\n", sys0, gpio);
1446 gpio |= 0x01; /* GPIO0 = 1 */
1447 gpio &= (~0x10); /* GPIO4 = 0 */
1448 gpio |= 0x04; /* GPIO2 = 1, LED on */
1451 epa_ctl[0] = 0x00; /* clear stall */
1452 epa_ctl[1] = 0x00; /* clear reset */
1454 gpio &= (~0x01); /* GPIO0 = 0 */
1455 gpio |= 0x10; /* GPIO4 = 1 */
1456 gpio &= (~0x04); /* GPIO2 = 1, LED off */
1457 sys0 = sys0 & (~0xc0);
1458 epa_ctl[0] = 0x10; /* set stall */
1459 epa_ctl[1] = 0x02; /* set reset */
1462 dev_dbg(&d->intf->dev, "WR SYS0=%02x GPIO_OUT_VAL=%02x\n", sys0, gpio);
1465 ret = rtl28xxu_wr_reg(d, SYS_SYS0, sys0);
1469 /* tuner power, write GPIOs */
1470 ret = rtl28xxu_wr_reg(d, SYS_GPIO_OUT_VAL, gpio);
1474 /* streaming EP: stall & reset */
1475 ret = rtl28xxu_wr_regs(d, USB_EPA_CTL, epa_ctl, 2);
1480 usb_clear_halt(d->udev, usb_rcvbulkpipe(d->udev, 0x81));
1484 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1488 static int rtl2832u_power_ctrl(struct dvb_usb_device *d, int onoff)
1492 dev_dbg(&d->intf->dev, "onoff=%d\n", onoff);
1495 /* GPIO3=1, GPIO4=0 */
1496 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x08, 0x18);
1501 ret = rtl28xxu_wr_reg_mask(d, SYS_DEMOD_CTL1, 0x00, 0x10);
1506 ret = rtl28xxu_wr_reg_mask(d, SYS_DEMOD_CTL, 0x80, 0x80);
1511 ret = rtl28xxu_wr_reg_mask(d, SYS_DEMOD_CTL, 0x20, 0x20);
1515 /* streaming EP: clear stall & reset */
1516 ret = rtl28xxu_wr_regs(d, USB_EPA_CTL, "\x00\x00", 2);
1520 ret = usb_clear_halt(d->udev, usb_rcvbulkpipe(d->udev, 0x81));
1525 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x10, 0x10);
1530 ret = rtl28xxu_wr_reg_mask(d, SYS_DEMOD_CTL, 0x00, 0x80);
1534 /* streaming EP: set stall & reset */
1535 ret = rtl28xxu_wr_regs(d, USB_EPA_CTL, "\x10\x02", 2);
1542 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1546 static int rtl28xxu_power_ctrl(struct dvb_usb_device *d, int onoff)
1548 struct rtl28xxu_dev *dev = d_to_priv(d);
1550 if (dev->chip_id == CHIP_ID_RTL2831U)
1551 return rtl2831u_power_ctrl(d, onoff);
1553 return rtl2832u_power_ctrl(d, onoff);
1556 static int rtl28xxu_frontend_ctrl(struct dvb_frontend *fe, int onoff)
1558 struct dvb_usb_device *d = fe_to_d(fe);
1559 struct rtl28xxu_dev *dev = fe_to_priv(fe);
1560 struct rtl2832_platform_data *pdata = &dev->rtl2832_platform_data;
1564 dev_dbg(&d->intf->dev, "fe=%d onoff=%d\n", fe->id, onoff);
1566 if (dev->chip_id == CHIP_ID_RTL2831U)
1569 /* control internal demod ADC */
1570 if (fe->id == 0 && onoff)
1571 val = 0x48; /* enable ADC */
1573 val = 0x00; /* disable ADC */
1575 ret = rtl28xxu_wr_reg_mask(d, SYS_DEMOD_CTL, val, 0x48);
1579 /* bypass slave demod TS through master demod */
1580 if (fe->id == 1 && onoff) {
1581 ret = pdata->enable_slave_ts(dev->i2c_client_demod);
1588 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1592 #if IS_ENABLED(CONFIG_RC_CORE)
1593 static int rtl2831u_rc_query(struct dvb_usb_device *d)
1596 struct rtl28xxu_dev *dev = d->priv;
1599 struct rtl28xxu_reg_val rc_nec_tab[] = {
1616 /* init remote controller */
1617 if (!dev->rc_active) {
1618 for (i = 0; i < ARRAY_SIZE(rc_nec_tab); i++) {
1619 ret = rtl28xxu_wr_reg(d, rc_nec_tab[i].reg,
1624 dev->rc_active = true;
1627 ret = rtl28xxu_rd_regs(d, SYS_IRRC_RP, buf, 5);
1631 if (buf[4] & 0x01) {
1632 if (buf[2] == (u8) ~buf[3]) {
1633 if (buf[0] == (u8) ~buf[1]) {
1634 /* NEC standard (16 bit) */
1635 rc_code = RC_SCANCODE_NEC(buf[0], buf[2]);
1637 /* NEC extended (24 bit) */
1638 rc_code = RC_SCANCODE_NECX(buf[0] << 8 | buf[1],
1642 /* NEC full (32 bit) */
1643 rc_code = RC_SCANCODE_NEC32(buf[0] << 24 | buf[1] << 16 |
1644 buf[2] << 8 | buf[3]);
1647 rc_keydown(d->rc_dev, RC_TYPE_NEC, rc_code, 0);
1649 ret = rtl28xxu_wr_reg(d, SYS_IRRC_SR, 1);
1653 /* repeated intentionally to avoid extra keypress */
1654 ret = rtl28xxu_wr_reg(d, SYS_IRRC_SR, 1);
1661 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1665 static int rtl2831u_get_rc_config(struct dvb_usb_device *d,
1666 struct dvb_usb_rc *rc)
1668 rc->map_name = RC_MAP_EMPTY;
1669 rc->allowed_protos = RC_BIT_NEC;
1670 rc->query = rtl2831u_rc_query;
1676 static int rtl2832u_rc_query(struct dvb_usb_device *d)
1679 struct rtl28xxu_dev *dev = d->priv;
1680 struct ir_raw_event ev;
1682 static const struct rtl28xxu_reg_val_mask refresh_tab[] = {
1683 {IR_RX_IF, 0x03, 0xff},
1684 {IR_RX_BUF_CTRL, 0x80, 0xff},
1685 {IR_RX_CTRL, 0x80, 0xff},
1688 /* init remote controller */
1689 if (!dev->rc_active) {
1690 static const struct rtl28xxu_reg_val_mask init_tab[] = {
1691 {SYS_DEMOD_CTL1, 0x00, 0x04},
1692 {SYS_DEMOD_CTL1, 0x00, 0x08},
1693 {USB_CTRL, 0x20, 0x20},
1694 {SYS_GPIO_DIR, 0x00, 0x08},
1695 {SYS_GPIO_OUT_EN, 0x08, 0x08},
1696 {SYS_GPIO_OUT_VAL, 0x08, 0x08},
1697 {IR_MAX_DURATION0, 0xd0, 0xff},
1698 {IR_MAX_DURATION1, 0x07, 0xff},
1699 {IR_IDLE_LEN0, 0xc0, 0xff},
1700 {IR_IDLE_LEN1, 0x00, 0xff},
1701 {IR_GLITCH_LEN, 0x03, 0xff},
1702 {IR_RX_CLK, 0x09, 0xff},
1703 {IR_RX_CFG, 0x1c, 0xff},
1704 {IR_MAX_H_TOL_LEN, 0x1e, 0xff},
1705 {IR_MAX_L_TOL_LEN, 0x1e, 0xff},
1706 {IR_RX_CTRL, 0x80, 0xff},
1709 for (i = 0; i < ARRAY_SIZE(init_tab); i++) {
1710 ret = rtl28xxu_wr_reg_mask(d, init_tab[i].reg,
1711 init_tab[i].val, init_tab[i].mask);
1716 dev->rc_active = true;
1719 ret = rtl28xxu_rd_reg(d, IR_RX_IF, &buf[0]);
1726 ret = rtl28xxu_rd_reg(d, IR_RX_BC, &buf[0]);
1732 /* read raw code from hw */
1733 ret = rtl28xxu_rd_regs(d, IR_RX_BUF, buf, len);
1737 /* let hw receive new code */
1738 for (i = 0; i < ARRAY_SIZE(refresh_tab); i++) {
1739 ret = rtl28xxu_wr_reg_mask(d, refresh_tab[i].reg,
1740 refresh_tab[i].val, refresh_tab[i].mask);
1745 /* pass data to Kernel IR decoder */
1746 init_ir_raw_event(&ev);
1748 for (i = 0; i < len; i++) {
1749 ev.pulse = buf[i] >> 7;
1750 ev.duration = 50800 * (buf[i] & 0x7f);
1751 ir_raw_event_store_with_filter(d->rc_dev, &ev);
1754 /* 'flush'Â ir_raw_event_store_with_filter() */
1755 ir_raw_event_set_idle(d->rc_dev, true);
1756 ir_raw_event_handle(d->rc_dev);
1760 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1764 static int rtl2832u_get_rc_config(struct dvb_usb_device *d,
1765 struct dvb_usb_rc *rc)
1767 /* disable IR interrupts in order to avoid SDR sample loss */
1768 if (rtl28xxu_disable_rc)
1769 return rtl28xxu_wr_reg(d, IR_RX_IE, 0x00);
1771 /* load empty to enable rc */
1773 rc->map_name = RC_MAP_EMPTY;
1774 rc->allowed_protos = RC_BIT_ALL;
1775 rc->driver_type = RC_DRIVER_IR_RAW;
1776 rc->query = rtl2832u_rc_query;
1782 static int rtl28xxu_get_rc_config(struct dvb_usb_device *d,
1783 struct dvb_usb_rc *rc)
1785 struct rtl28xxu_dev *dev = d_to_priv(d);
1787 if (dev->chip_id == CHIP_ID_RTL2831U)
1788 return rtl2831u_get_rc_config(d, rc);
1790 return rtl2832u_get_rc_config(d, rc);
1793 #define rtl28xxu_get_rc_config NULL
1796 static int rtl28xxu_pid_filter_ctrl(struct dvb_usb_adapter *adap, int onoff)
1798 struct rtl28xxu_dev *dev = adap_to_priv(adap);
1800 if (dev->chip_id == CHIP_ID_RTL2831U) {
1801 struct rtl2830_platform_data *pdata = &dev->rtl2830_platform_data;
1803 return pdata->pid_filter_ctrl(adap->fe[0], onoff);
1805 struct rtl2832_platform_data *pdata = &dev->rtl2832_platform_data;
1807 return pdata->pid_filter_ctrl(adap->fe[0], onoff);
1811 static int rtl28xxu_pid_filter(struct dvb_usb_adapter *adap, int index,
1814 struct rtl28xxu_dev *dev = adap_to_priv(adap);
1816 if (dev->chip_id == CHIP_ID_RTL2831U) {
1817 struct rtl2830_platform_data *pdata = &dev->rtl2830_platform_data;
1819 return pdata->pid_filter(adap->fe[0], index, pid, onoff);
1821 struct rtl2832_platform_data *pdata = &dev->rtl2832_platform_data;
1823 return pdata->pid_filter(adap->fe[0], index, pid, onoff);
1827 static const struct dvb_usb_device_properties rtl28xxu_props = {
1828 .driver_name = KBUILD_MODNAME,
1829 .owner = THIS_MODULE,
1830 .adapter_nr = adapter_nr,
1831 .size_of_priv = sizeof(struct rtl28xxu_dev),
1833 .identify_state = rtl28xxu_identify_state,
1834 .power_ctrl = rtl28xxu_power_ctrl,
1835 .frontend_ctrl = rtl28xxu_frontend_ctrl,
1836 .i2c_algo = &rtl28xxu_i2c_algo,
1837 .read_config = rtl28xxu_read_config,
1838 .frontend_attach = rtl28xxu_frontend_attach,
1839 .frontend_detach = rtl28xxu_frontend_detach,
1840 .tuner_attach = rtl28xxu_tuner_attach,
1841 .tuner_detach = rtl28xxu_tuner_detach,
1842 .init = rtl28xxu_init,
1843 .get_rc_config = rtl28xxu_get_rc_config,
1848 .caps = DVB_USB_ADAP_HAS_PID_FILTER |
1849 DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
1851 .pid_filter_count = 32,
1852 .pid_filter_ctrl = rtl28xxu_pid_filter_ctrl,
1853 .pid_filter = rtl28xxu_pid_filter,
1855 .stream = DVB_USB_STREAM_BULK(0x81, 6, 8 * 512),
1860 static const struct usb_device_id rtl28xxu_id_table[] = {
1861 /* RTL2831U devices: */
1862 { DVB_USB_DEVICE(USB_VID_REALTEK, USB_PID_REALTEK_RTL2831U,
1863 &rtl28xxu_props, "Realtek RTL2831U reference design", NULL) },
1864 { DVB_USB_DEVICE(USB_VID_WIDEVIEW, USB_PID_FREECOM_DVBT,
1865 &rtl28xxu_props, "Freecom USB2.0 DVB-T", NULL) },
1866 { DVB_USB_DEVICE(USB_VID_WIDEVIEW, USB_PID_FREECOM_DVBT_2,
1867 &rtl28xxu_props, "Freecom USB2.0 DVB-T", NULL) },
1869 /* RTL2832U devices: */
1870 { DVB_USB_DEVICE(USB_VID_REALTEK, 0x2832,
1871 &rtl28xxu_props, "Realtek RTL2832U reference design", NULL) },
1872 { DVB_USB_DEVICE(USB_VID_REALTEK, 0x2838,
1873 &rtl28xxu_props, "Realtek RTL2832U reference design", NULL) },
1874 { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_CINERGY_T_STICK_BLACK_REV1,
1875 &rtl28xxu_props, "TerraTec Cinergy T Stick Black", RC_MAP_TERRATEC_SLIM) },
1876 { DVB_USB_DEVICE(USB_VID_GTEK, USB_PID_DELOCK_USB2_DVBT,
1877 &rtl28xxu_props, "G-Tek Electronics Group Lifeview LV5TDLX DVB-T", NULL) },
1878 { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_NOXON_DAB_STICK,
1879 &rtl28xxu_props, "TerraTec NOXON DAB Stick", NULL) },
1880 { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_NOXON_DAB_STICK_REV2,
1881 &rtl28xxu_props, "TerraTec NOXON DAB Stick (rev 2)", NULL) },
1882 { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_NOXON_DAB_STICK_REV3,
1883 &rtl28xxu_props, "TerraTec NOXON DAB Stick (rev 3)", NULL) },
1884 { DVB_USB_DEVICE(USB_VID_GTEK, USB_PID_TREKSTOR_TERRES_2_0,
1885 &rtl28xxu_props, "Trekstor DVB-T Stick Terres 2.0", NULL) },
1886 { DVB_USB_DEVICE(USB_VID_DEXATEK, 0x1101,
1887 &rtl28xxu_props, "Dexatek DK DVB-T Dongle", NULL) },
1888 { DVB_USB_DEVICE(USB_VID_LEADTEK, 0x6680,
1889 &rtl28xxu_props, "DigitalNow Quad DVB-T Receiver", NULL) },
1890 { DVB_USB_DEVICE(USB_VID_LEADTEK, USB_PID_WINFAST_DTV_DONGLE_MINID,
1891 &rtl28xxu_props, "Leadtek Winfast DTV Dongle Mini D", NULL) },
1892 { DVB_USB_DEVICE(USB_VID_LEADTEK, USB_PID_WINFAST_DTV2000DS_PLUS,
1893 &rtl28xxu_props, "Leadtek WinFast DTV2000DS Plus", RC_MAP_LEADTEK_Y04G0051) },
1894 { DVB_USB_DEVICE(USB_VID_TERRATEC, 0x00d3,
1895 &rtl28xxu_props, "TerraTec Cinergy T Stick RC (Rev. 3)", NULL) },
1896 { DVB_USB_DEVICE(USB_VID_DEXATEK, 0x1102,
1897 &rtl28xxu_props, "Dexatek DK mini DVB-T Dongle", NULL) },
1898 { DVB_USB_DEVICE(USB_VID_TERRATEC, 0x00d7,
1899 &rtl28xxu_props, "TerraTec Cinergy T Stick+", NULL) },
1900 { DVB_USB_DEVICE(USB_VID_KWORLD_2, 0xd3a8,
1901 &rtl28xxu_props, "ASUS My Cinema-U3100Mini Plus V2", NULL) },
1902 { DVB_USB_DEVICE(USB_VID_KWORLD_2, 0xd393,
1903 &rtl28xxu_props, "GIGABYTE U7300", NULL) },
1904 { DVB_USB_DEVICE(USB_VID_DEXATEK, 0x1104,
1905 &rtl28xxu_props, "MSI DIGIVOX Micro HD", NULL) },
1906 { DVB_USB_DEVICE(USB_VID_COMPRO, 0x0620,
1907 &rtl28xxu_props, "Compro VideoMate U620F", NULL) },
1908 { DVB_USB_DEVICE(USB_VID_COMPRO, 0x0650,
1909 &rtl28xxu_props, "Compro VideoMate U650F", NULL) },
1910 { DVB_USB_DEVICE(USB_VID_KWORLD_2, 0xd394,
1911 &rtl28xxu_props, "MaxMedia HU394-T", NULL) },
1912 { DVB_USB_DEVICE(USB_VID_LEADTEK, 0x6a03,
1913 &rtl28xxu_props, "Leadtek WinFast DTV Dongle mini", NULL) },
1914 { DVB_USB_DEVICE(USB_VID_GTEK, USB_PID_CPYTO_REDI_PC50A,
1915 &rtl28xxu_props, "Crypto ReDi PC 50 A", NULL) },
1916 { DVB_USB_DEVICE(USB_VID_KYE, 0x707f,
1917 &rtl28xxu_props, "Genius TVGo DVB-T03", NULL) },
1918 { DVB_USB_DEVICE(USB_VID_KWORLD_2, 0xd395,
1919 &rtl28xxu_props, "Peak DVB-T USB", NULL) },
1920 { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_SVEON_STV20_RTL2832U,
1921 &rtl28xxu_props, "Sveon STV20", NULL) },
1922 { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_SVEON_STV21,
1923 &rtl28xxu_props, "Sveon STV21", NULL) },
1924 { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_SVEON_STV27,
1925 &rtl28xxu_props, "Sveon STV27", NULL) },
1926 { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_TURBOX_DTT_2000,
1927 &rtl28xxu_props, "TURBO-X Pure TV Tuner DTT-2000", NULL) },
1929 /* RTL2832P devices: */
1930 { DVB_USB_DEVICE(USB_VID_HANFTEK, 0x0131,
1931 &rtl28xxu_props, "Astrometa DVB-T2", NULL) },
1932 { DVB_USB_DEVICE(0x5654, 0xca42,
1933 &rtl28xxu_props, "GoTView MasterHD 3", NULL) },
1936 MODULE_DEVICE_TABLE(usb, rtl28xxu_id_table);
1938 static struct usb_driver rtl28xxu_usb_driver = {
1939 .name = KBUILD_MODNAME,
1940 .id_table = rtl28xxu_id_table,
1941 .probe = dvb_usbv2_probe,
1942 .disconnect = dvb_usbv2_disconnect,
1943 .suspend = dvb_usbv2_suspend,
1944 .resume = dvb_usbv2_resume,
1945 .reset_resume = dvb_usbv2_reset_resume,
1950 module_usb_driver(rtl28xxu_usb_driver);
1952 MODULE_DESCRIPTION("Realtek RTL28xxU DVB USB driver");
1953 MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
1954 MODULE_AUTHOR("Thomas Mair <thomas.mair86@googlemail.com>");
1955 MODULE_LICENSE("GPL");