[media] rtl28xxu: fix DVB FE callback
[cascardo/linux.git] / drivers / media / usb / dvb-usb-v2 / rtl28xxu.c
1 /*
2  * Realtek RTL28xxU DVB USB driver
3  *
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>
7  *
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.
12  *
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.
17  *
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.
21  */
22
23 #include "rtl28xxu.h"
24
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);
29
30 static int rtl28xxu_ctrl_msg(struct dvb_usb_device *d, struct rtl28xxu_req *req)
31 {
32         int ret;
33         unsigned int pipe;
34         u8 requesttype;
35         u8 *buf;
36
37         buf = kmalloc(req->size, GFP_KERNEL);
38         if (!buf) {
39                 ret = -ENOMEM;
40                 goto err;
41         }
42
43         if (req->index & CMD_WR_FLAG) {
44                 /* write */
45                 memcpy(buf, req->data, req->size);
46                 requesttype = (USB_TYPE_VENDOR | USB_DIR_OUT);
47                 pipe = usb_sndctrlpipe(d->udev, 0);
48         } else {
49                 /* read */
50                 requesttype = (USB_TYPE_VENDOR | USB_DIR_IN);
51                 pipe = usb_rcvctrlpipe(d->udev, 0);
52         }
53
54         ret = usb_control_msg(d->udev, pipe, 0, requesttype, req->value,
55                         req->index, buf, req->size, 1000);
56
57         dvb_usb_dbg_usb_control_msg(d->udev, 0, requesttype, req->value,
58                         req->index, buf, req->size);
59
60         if (ret > 0)
61                 ret = 0;
62
63         /* read request, copy returned data to return buf */
64         if (!ret && requesttype == (USB_TYPE_VENDOR | USB_DIR_IN))
65                 memcpy(req->data, buf, req->size);
66
67         kfree(buf);
68
69         if (ret)
70                 goto err;
71
72         return ret;
73 err:
74         dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
75         return ret;
76 }
77
78 static int rtl28xx_wr_regs(struct dvb_usb_device *d, u16 reg, u8 *val, int len)
79 {
80         struct rtl28xxu_req req;
81
82         if (reg < 0x3000)
83                 req.index = CMD_USB_WR;
84         else if (reg < 0x4000)
85                 req.index = CMD_SYS_WR;
86         else
87                 req.index = CMD_IR_WR;
88
89         req.value = reg;
90         req.size = len;
91         req.data = val;
92
93         return rtl28xxu_ctrl_msg(d, &req);
94 }
95
96 static int rtl2831_rd_regs(struct dvb_usb_device *d, u16 reg, u8 *val, int len)
97 {
98         struct rtl28xxu_req req;
99
100         if (reg < 0x3000)
101                 req.index = CMD_USB_RD;
102         else if (reg < 0x4000)
103                 req.index = CMD_SYS_RD;
104         else
105                 req.index = CMD_IR_RD;
106
107         req.value = reg;
108         req.size = len;
109         req.data = val;
110
111         return rtl28xxu_ctrl_msg(d, &req);
112 }
113
114 static int rtl28xx_wr_reg(struct dvb_usb_device *d, u16 reg, u8 val)
115 {
116         return rtl28xx_wr_regs(d, reg, &val, 1);
117 }
118
119 static int rtl28xx_rd_reg(struct dvb_usb_device *d, u16 reg, u8 *val)
120 {
121         return rtl2831_rd_regs(d, reg, val, 1);
122 }
123
124 static int rtl28xx_wr_reg_mask(struct dvb_usb_device *d, u16 reg, u8 val,
125                 u8 mask)
126 {
127         int ret;
128         u8 tmp;
129
130         /* no need for read if whole reg is written */
131         if (mask != 0xff) {
132                 ret = rtl28xx_rd_reg(d, reg, &tmp);
133                 if (ret)
134                         return ret;
135
136                 val &= mask;
137                 tmp &= ~mask;
138                 val |= tmp;
139         }
140
141         return rtl28xx_wr_reg(d, reg, val);
142 }
143
144 /* I2C */
145 static int rtl28xxu_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[],
146         int num)
147 {
148         int ret;
149         struct dvb_usb_device *d = i2c_get_adapdata(adap);
150         struct rtl28xxu_priv *priv = d->priv;
151         struct rtl28xxu_req req;
152
153         /*
154          * It is not known which are real I2C bus xfer limits, but testing
155          * with RTL2831U + MT2060 gives max RD 24 and max WR 22 bytes.
156          * TODO: find out RTL2832U lens
157          */
158
159         /*
160          * I2C adapter logic looks rather complicated due to fact it handles
161          * three different access methods. Those methods are;
162          * 1) integrated demod access
163          * 2) old I2C access
164          * 3) new I2C access
165          *
166          * Used method is selected in order 1, 2, 3. Method 3 can handle all
167          * requests but there is two reasons why not use it always;
168          * 1) It is most expensive, usually two USB messages are needed
169          * 2) At least RTL2831U does not support it
170          *
171          * Method 3 is needed in case of I2C write+read (typical register read)
172          * where write is more than one byte.
173          */
174
175         if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
176                 return -EAGAIN;
177
178         if (num == 2 && !(msg[0].flags & I2C_M_RD) &&
179                 (msg[1].flags & I2C_M_RD)) {
180                 if (msg[0].len > 24 || msg[1].len > 24) {
181                         /* TODO: check msg[0].len max */
182                         ret = -EOPNOTSUPP;
183                         goto err_mutex_unlock;
184                 } else if (msg[0].addr == 0x10) {
185                         /* method 1 - integrated demod */
186                         req.value = (msg[0].buf[0] << 8) | (msg[0].addr << 1);
187                         req.index = CMD_DEMOD_RD | priv->page;
188                         req.size = msg[1].len;
189                         req.data = &msg[1].buf[0];
190                         ret = rtl28xxu_ctrl_msg(d, &req);
191                 } else if (msg[0].len < 2) {
192                         /* method 2 - old I2C */
193                         req.value = (msg[0].buf[0] << 8) | (msg[0].addr << 1);
194                         req.index = CMD_I2C_RD;
195                         req.size = msg[1].len;
196                         req.data = &msg[1].buf[0];
197                         ret = rtl28xxu_ctrl_msg(d, &req);
198                 } else {
199                         /* method 3 - new I2C */
200                         req.value = (msg[0].addr << 1);
201                         req.index = CMD_I2C_DA_WR;
202                         req.size = msg[0].len;
203                         req.data = msg[0].buf;
204                         ret = rtl28xxu_ctrl_msg(d, &req);
205                         if (ret)
206                                 goto err_mutex_unlock;
207
208                         req.value = (msg[0].addr << 1);
209                         req.index = CMD_I2C_DA_RD;
210                         req.size = msg[1].len;
211                         req.data = msg[1].buf;
212                         ret = rtl28xxu_ctrl_msg(d, &req);
213                 }
214         } else if (num == 1 && !(msg[0].flags & I2C_M_RD)) {
215                 if (msg[0].len > 22) {
216                         /* TODO: check msg[0].len max */
217                         ret = -EOPNOTSUPP;
218                         goto err_mutex_unlock;
219                 } else if (msg[0].addr == 0x10) {
220                         /* method 1 - integrated demod */
221                         if (msg[0].buf[0] == 0x00) {
222                                 /* save demod page for later demod access */
223                                 priv->page = msg[0].buf[1];
224                                 ret = 0;
225                         } else {
226                                 req.value = (msg[0].buf[0] << 8) |
227                                         (msg[0].addr << 1);
228                                 req.index = CMD_DEMOD_WR | priv->page;
229                                 req.size = msg[0].len-1;
230                                 req.data = &msg[0].buf[1];
231                                 ret = rtl28xxu_ctrl_msg(d, &req);
232                         }
233                 } else if (msg[0].len < 23) {
234                         /* method 2 - old I2C */
235                         req.value = (msg[0].buf[0] << 8) | (msg[0].addr << 1);
236                         req.index = CMD_I2C_WR;
237                         req.size = msg[0].len-1;
238                         req.data = &msg[0].buf[1];
239                         ret = rtl28xxu_ctrl_msg(d, &req);
240                 } else {
241                         /* method 3 - new I2C */
242                         req.value = (msg[0].addr << 1);
243                         req.index = CMD_I2C_DA_WR;
244                         req.size = msg[0].len;
245                         req.data = msg[0].buf;
246                         ret = rtl28xxu_ctrl_msg(d, &req);
247                 }
248         } else {
249                 ret = -EINVAL;
250         }
251
252 err_mutex_unlock:
253         mutex_unlock(&d->i2c_mutex);
254
255         return ret ? ret : num;
256 }
257
258 static u32 rtl28xxu_i2c_func(struct i2c_adapter *adapter)
259 {
260         return I2C_FUNC_I2C;
261 }
262
263 static struct i2c_algorithm rtl28xxu_i2c_algo = {
264         .master_xfer   = rtl28xxu_i2c_xfer,
265         .functionality = rtl28xxu_i2c_func,
266 };
267
268 static int rtl2831u_read_config(struct dvb_usb_device *d)
269 {
270         struct rtl28xxu_priv *priv = d_to_priv(d);
271         int ret;
272         u8 buf[1];
273         /* open RTL2831U/RTL2830 I2C gate */
274         struct rtl28xxu_req req_gate_open = {0x0120, 0x0011, 0x0001, "\x08"};
275         /* tuner probes */
276         struct rtl28xxu_req req_mt2060 = {0x00c0, CMD_I2C_RD, 1, buf};
277         struct rtl28xxu_req req_qt1010 = {0x0fc4, CMD_I2C_RD, 1, buf};
278
279         dev_dbg(&d->udev->dev, "%s:\n", __func__);
280
281         /*
282          * RTL2831U GPIOs
283          * =========================================================
284          * GPIO0 | tuner#0 | 0 off | 1 on  | MXL5005S (?)
285          * GPIO2 | LED     | 0 off | 1 on  |
286          * GPIO4 | tuner#1 | 0 on  | 1 off | MT2060
287          */
288
289         /* GPIO direction */
290         ret = rtl28xx_wr_reg(d, SYS_GPIO_DIR, 0x0a);
291         if (ret)
292                 goto err;
293
294         /* enable as output GPIO0, GPIO2, GPIO4 */
295         ret = rtl28xx_wr_reg(d, SYS_GPIO_OUT_EN, 0x15);
296         if (ret)
297                 goto err;
298
299         /*
300          * Probe used tuner. We need to know used tuner before demod attach
301          * since there is some demod params needed to set according to tuner.
302          */
303
304         /* demod needs some time to wake up */
305         msleep(20);
306
307         priv->tuner_name = "NONE";
308
309         /* open demod I2C gate */
310         ret = rtl28xxu_ctrl_msg(d, &req_gate_open);
311         if (ret)
312                 goto err;
313
314         /* check QT1010 ID(?) register; reg=0f val=2c */
315         ret = rtl28xxu_ctrl_msg(d, &req_qt1010);
316         if (ret == 0 && buf[0] == 0x2c) {
317                 priv->tuner = TUNER_RTL2830_QT1010;
318                 priv->tuner_name = "QT1010";
319                 goto found;
320         }
321
322         /* open demod I2C gate */
323         ret = rtl28xxu_ctrl_msg(d, &req_gate_open);
324         if (ret)
325                 goto err;
326
327         /* check MT2060 ID register; reg=00 val=63 */
328         ret = rtl28xxu_ctrl_msg(d, &req_mt2060);
329         if (ret == 0 && buf[0] == 0x63) {
330                 priv->tuner = TUNER_RTL2830_MT2060;
331                 priv->tuner_name = "MT2060";
332                 goto found;
333         }
334
335         /* assume MXL5005S */
336         priv->tuner = TUNER_RTL2830_MXL5005S;
337         priv->tuner_name = "MXL5005S";
338         goto found;
339
340 found:
341         dev_dbg(&d->udev->dev, "%s: tuner=%s\n", __func__, priv->tuner_name);
342
343         return 0;
344 err:
345         dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
346         return ret;
347 }
348
349 static int rtl2832u_read_config(struct dvb_usb_device *d)
350 {
351         struct rtl28xxu_priv *priv = d_to_priv(d);
352         int ret;
353         u8 buf[2];
354         /* open RTL2832U/RTL2832 I2C gate */
355         struct rtl28xxu_req req_gate_open = {0x0120, 0x0011, 0x0001, "\x18"};
356         /* close RTL2832U/RTL2832 I2C gate */
357         struct rtl28xxu_req req_gate_close = {0x0120, 0x0011, 0x0001, "\x10"};
358         /* tuner probes */
359         struct rtl28xxu_req req_fc0012 = {0x00c6, CMD_I2C_RD, 1, buf};
360         struct rtl28xxu_req req_fc0013 = {0x00c6, CMD_I2C_RD, 1, buf};
361         struct rtl28xxu_req req_mt2266 = {0x00c0, CMD_I2C_RD, 1, buf};
362         struct rtl28xxu_req req_fc2580 = {0x01ac, CMD_I2C_RD, 1, buf};
363         struct rtl28xxu_req req_mt2063 = {0x00c0, CMD_I2C_RD, 1, buf};
364         struct rtl28xxu_req req_max3543 = {0x00c0, CMD_I2C_RD, 1, buf};
365         struct rtl28xxu_req req_tua9001 = {0x7ec0, CMD_I2C_RD, 2, buf};
366         struct rtl28xxu_req req_mxl5007t = {0xd9c0, CMD_I2C_RD, 1, buf};
367         struct rtl28xxu_req req_e4000 = {0x02c8, CMD_I2C_RD, 1, buf};
368         struct rtl28xxu_req req_tda18272 = {0x00c0, CMD_I2C_RD, 2, buf};
369         struct rtl28xxu_req req_r820t = {0x0034, CMD_I2C_RD, 1, buf};
370         struct rtl28xxu_req req_r828d = {0x0074, CMD_I2C_RD, 1, buf};
371         struct rtl28xxu_req req_mn88472 = {0xff38, CMD_I2C_RD, 1, buf};
372         struct rtl28xxu_req req_mn88473 = {0xff38, CMD_I2C_RD, 1, buf};
373
374         dev_dbg(&d->udev->dev, "%s:\n", __func__);
375
376         /* enable GPIO3 and GPIO6 as output */
377         ret = rtl28xx_wr_reg_mask(d, SYS_GPIO_DIR, 0x00, 0x40);
378         if (ret)
379                 goto err;
380
381         ret = rtl28xx_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x48, 0x48);
382         if (ret)
383                 goto err;
384
385         /*
386          * Probe used tuner. We need to know used tuner before demod attach
387          * since there is some demod params needed to set according to tuner.
388          */
389
390         /* open demod I2C gate */
391         ret = rtl28xxu_ctrl_msg(d, &req_gate_open);
392         if (ret)
393                 goto err;
394
395         priv->tuner_name = "NONE";
396
397         /* check FC0012 ID register; reg=00 val=a1 */
398         ret = rtl28xxu_ctrl_msg(d, &req_fc0012);
399         if (ret == 0 && buf[0] == 0xa1) {
400                 priv->tuner = TUNER_RTL2832_FC0012;
401                 priv->tuner_name = "FC0012";
402                 goto tuner_found;
403         }
404
405         /* check FC0013 ID register; reg=00 val=a3 */
406         ret = rtl28xxu_ctrl_msg(d, &req_fc0013);
407         if (ret == 0 && buf[0] == 0xa3) {
408                 priv->tuner = TUNER_RTL2832_FC0013;
409                 priv->tuner_name = "FC0013";
410                 goto tuner_found;
411         }
412
413         /* check MT2266 ID register; reg=00 val=85 */
414         ret = rtl28xxu_ctrl_msg(d, &req_mt2266);
415         if (ret == 0 && buf[0] == 0x85) {
416                 priv->tuner = TUNER_RTL2832_MT2266;
417                 priv->tuner_name = "MT2266";
418                 goto tuner_found;
419         }
420
421         /* check FC2580 ID register; reg=01 val=56 */
422         ret = rtl28xxu_ctrl_msg(d, &req_fc2580);
423         if (ret == 0 && buf[0] == 0x56) {
424                 priv->tuner = TUNER_RTL2832_FC2580;
425                 priv->tuner_name = "FC2580";
426                 goto tuner_found;
427         }
428
429         /* check MT2063 ID register; reg=00 val=9e || 9c */
430         ret = rtl28xxu_ctrl_msg(d, &req_mt2063);
431         if (ret == 0 && (buf[0] == 0x9e || buf[0] == 0x9c)) {
432                 priv->tuner = TUNER_RTL2832_MT2063;
433                 priv->tuner_name = "MT2063";
434                 goto tuner_found;
435         }
436
437         /* check MAX3543 ID register; reg=00 val=38 */
438         ret = rtl28xxu_ctrl_msg(d, &req_max3543);
439         if (ret == 0 && buf[0] == 0x38) {
440                 priv->tuner = TUNER_RTL2832_MAX3543;
441                 priv->tuner_name = "MAX3543";
442                 goto tuner_found;
443         }
444
445         /* check TUA9001 ID register; reg=7e val=2328 */
446         ret = rtl28xxu_ctrl_msg(d, &req_tua9001);
447         if (ret == 0 && buf[0] == 0x23 && buf[1] == 0x28) {
448                 priv->tuner = TUNER_RTL2832_TUA9001;
449                 priv->tuner_name = "TUA9001";
450                 goto tuner_found;
451         }
452
453         /* check MXL5007R ID register; reg=d9 val=14 */
454         ret = rtl28xxu_ctrl_msg(d, &req_mxl5007t);
455         if (ret == 0 && buf[0] == 0x14) {
456                 priv->tuner = TUNER_RTL2832_MXL5007T;
457                 priv->tuner_name = "MXL5007T";
458                 goto tuner_found;
459         }
460
461         /* check E4000 ID register; reg=02 val=40 */
462         ret = rtl28xxu_ctrl_msg(d, &req_e4000);
463         if (ret == 0 && buf[0] == 0x40) {
464                 priv->tuner = TUNER_RTL2832_E4000;
465                 priv->tuner_name = "E4000";
466                 goto tuner_found;
467         }
468
469         /* check TDA18272 ID register; reg=00 val=c760  */
470         ret = rtl28xxu_ctrl_msg(d, &req_tda18272);
471         if (ret == 0 && (buf[0] == 0xc7 || buf[1] == 0x60)) {
472                 priv->tuner = TUNER_RTL2832_TDA18272;
473                 priv->tuner_name = "TDA18272";
474                 goto tuner_found;
475         }
476
477         /* check R820T ID register; reg=00 val=69 */
478         ret = rtl28xxu_ctrl_msg(d, &req_r820t);
479         if (ret == 0 && buf[0] == 0x69) {
480                 priv->tuner = TUNER_RTL2832_R820T;
481                 priv->tuner_name = "R820T";
482                 goto tuner_found;
483         }
484
485         /* check R828D ID register; reg=00 val=69 */
486         ret = rtl28xxu_ctrl_msg(d, &req_r828d);
487         if (ret == 0 && buf[0] == 0x69) {
488                 priv->tuner = TUNER_RTL2832_R828D;
489                 priv->tuner_name = "R828D";
490                 goto tuner_found;
491         }
492
493 tuner_found:
494         dev_dbg(&d->udev->dev, "%s: tuner=%s\n", __func__, priv->tuner_name);
495
496         /* probe slave demod */
497         if (priv->tuner == TUNER_RTL2832_R828D) {
498                 /* power on MN88472 demod on GPIO0 */
499                 ret = rtl28xx_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x01, 0x01);
500                 if (ret)
501                         goto err;
502
503                 ret = rtl28xx_wr_reg_mask(d, SYS_GPIO_DIR, 0x00, 0x01);
504                 if (ret)
505                         goto err;
506
507                 ret = rtl28xx_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x01, 0x01);
508                 if (ret)
509                         goto err;
510
511                 /* check MN88472 answers */
512                 ret = rtl28xxu_ctrl_msg(d, &req_mn88472);
513                 if (ret == 0 && buf[0] == 0x02) {
514                         dev_dbg(&d->udev->dev, "%s: MN88472 found\n", __func__);
515                         priv->slave_demod = SLAVE_DEMOD_MN88472;
516                         goto demod_found;
517                 }
518
519                 ret = rtl28xxu_ctrl_msg(d, &req_mn88473);
520                 if (ret == 0 && buf[0] == 0x03) {
521                         dev_dbg(&d->udev->dev, "%s: MN88473 found\n", __func__);
522                         priv->slave_demod = SLAVE_DEMOD_MN88473;
523                         goto demod_found;
524                 }
525         }
526
527 demod_found:
528         /* close demod I2C gate */
529         ret = rtl28xxu_ctrl_msg(d, &req_gate_close);
530         if (ret < 0)
531                 goto err;
532
533         return 0;
534 err:
535         dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
536         return ret;
537 }
538
539 static const struct rtl2830_platform_data rtl2830_mt2060_platform_data = {
540         .clk = 28800000,
541         .spec_inv = 1,
542         .vtop = 0x20,
543         .krf = 0x04,
544         .agc_targ_val = 0x2d,
545
546 };
547
548 static const struct rtl2830_platform_data rtl2830_qt1010_platform_data = {
549         .clk = 28800000,
550         .spec_inv = 1,
551         .vtop = 0x20,
552         .krf = 0x04,
553         .agc_targ_val = 0x2d,
554 };
555
556 static const struct rtl2830_platform_data rtl2830_mxl5005s_platform_data = {
557         .clk = 28800000,
558         .spec_inv = 0,
559         .vtop = 0x3f,
560         .krf = 0x04,
561         .agc_targ_val = 0x3e,
562 };
563
564 static int rtl2831u_frontend_attach(struct dvb_usb_adapter *adap)
565 {
566         struct dvb_usb_device *d = adap_to_d(adap);
567         struct rtl28xxu_priv *priv = d_to_priv(d);
568         struct rtl2830_platform_data *pdata = &priv->rtl2830_platform_data;
569         struct i2c_board_info board_info;
570         struct i2c_client *client;
571         int ret;
572
573         dev_dbg(&d->udev->dev, "%s:\n", __func__);
574
575         switch (priv->tuner) {
576         case TUNER_RTL2830_QT1010:
577                 *pdata = rtl2830_qt1010_platform_data;
578                 break;
579         case TUNER_RTL2830_MT2060:
580                 *pdata = rtl2830_mt2060_platform_data;
581                 break;
582         case TUNER_RTL2830_MXL5005S:
583                 *pdata = rtl2830_mxl5005s_platform_data;
584                 break;
585         default:
586                 dev_err(&d->udev->dev, "%s: unknown tuner=%s\n",
587                                 KBUILD_MODNAME, priv->tuner_name);
588                 ret = -ENODEV;
589                 goto err;
590         }
591
592         /* attach demodulator */
593         memset(&board_info, 0, sizeof(board_info));
594         strlcpy(board_info.type, "rtl2830", I2C_NAME_SIZE);
595         board_info.addr = 0x10;
596         board_info.platform_data = pdata;
597         request_module("%s", board_info.type);
598         client = i2c_new_device(&d->i2c_adap, &board_info);
599         if (client == NULL || client->dev.driver == NULL) {
600                 ret = -ENODEV;
601                 goto err;
602         }
603
604         if (!try_module_get(client->dev.driver->owner)) {
605                 i2c_unregister_device(client);
606                 ret = -ENODEV;
607                 goto err;
608         }
609
610         adap->fe[0] = pdata->get_dvb_frontend(client);
611         priv->demod_i2c_adapter = pdata->get_i2c_adapter(client);
612
613         priv->i2c_client_demod = client;
614
615         return 0;
616 err:
617         dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
618         return ret;
619 }
620
621 static const struct rtl2832_platform_data rtl2832_fc0012_platform_data = {
622         .clk = 28800000,
623         .tuner = TUNER_RTL2832_FC0012
624 };
625
626 static const struct rtl2832_platform_data rtl2832_fc0013_platform_data = {
627         .clk = 28800000,
628         .tuner = TUNER_RTL2832_FC0013
629 };
630
631 static const struct rtl2832_platform_data rtl2832_tua9001_platform_data = {
632         .clk = 28800000,
633         .tuner = TUNER_RTL2832_TUA9001,
634 };
635
636 static const struct rtl2832_platform_data rtl2832_e4000_platform_data = {
637         .clk = 28800000,
638         .tuner = TUNER_RTL2832_E4000,
639 };
640
641 static const struct rtl2832_platform_data rtl2832_r820t_platform_data = {
642         .clk = 28800000,
643         .tuner = TUNER_RTL2832_R820T,
644 };
645
646 static int rtl2832u_fc0012_tuner_callback(struct dvb_usb_device *d,
647                 int cmd, int arg)
648 {
649         int ret;
650         u8 val;
651
652         dev_dbg(&d->udev->dev, "%s: cmd=%d arg=%d\n", __func__, cmd, arg);
653
654         switch (cmd) {
655         case FC_FE_CALLBACK_VHF_ENABLE:
656                 /* set output values */
657                 ret = rtl28xx_rd_reg(d, SYS_GPIO_OUT_VAL, &val);
658                 if (ret)
659                         goto err;
660
661                 if (arg)
662                         val &= 0xbf; /* set GPIO6 low */
663                 else
664                         val |= 0x40; /* set GPIO6 high */
665
666
667                 ret = rtl28xx_wr_reg(d, SYS_GPIO_OUT_VAL, val);
668                 if (ret)
669                         goto err;
670                 break;
671         default:
672                 ret = -EINVAL;
673                 goto err;
674         }
675         return 0;
676 err:
677         dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
678         return ret;
679 }
680
681 static int rtl2832u_tua9001_tuner_callback(struct dvb_usb_device *d,
682                 int cmd, int arg)
683 {
684         int ret;
685         u8 val;
686
687         dev_dbg(&d->udev->dev, "%s: cmd=%d arg=%d\n", __func__, cmd, arg);
688
689         /*
690          * CEN     always enabled by hardware wiring
691          * RESETN  GPIO4
692          * RXEN    GPIO1
693          */
694
695         switch (cmd) {
696         case TUA9001_CMD_RESETN:
697                 if (arg)
698                         val = (1 << 4);
699                 else
700                         val = (0 << 4);
701
702                 ret = rtl28xx_wr_reg_mask(d, SYS_GPIO_OUT_VAL, val, 0x10);
703                 if (ret)
704                         goto err;
705                 break;
706         case TUA9001_CMD_RXEN:
707                 if (arg)
708                         val = (1 << 1);
709                 else
710                         val = (0 << 1);
711
712                 ret = rtl28xx_wr_reg_mask(d, SYS_GPIO_OUT_VAL, val, 0x02);
713                 if (ret)
714                         goto err;
715                 break;
716         }
717
718         return 0;
719 err:
720         dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
721         return ret;
722 }
723
724 static int rtl2832u_tuner_callback(struct dvb_usb_device *d, int cmd, int arg)
725 {
726         struct rtl28xxu_priv *priv = d->priv;
727
728         switch (priv->tuner) {
729         case TUNER_RTL2832_FC0012:
730                 return rtl2832u_fc0012_tuner_callback(d, cmd, arg);
731         case TUNER_RTL2832_TUA9001:
732                 return rtl2832u_tua9001_tuner_callback(d, cmd, arg);
733         default:
734                 break;
735         }
736
737         return 0;
738 }
739
740 static int rtl2832u_frontend_callback(void *adapter_priv, int component,
741                 int cmd, int arg)
742 {
743         struct i2c_adapter *adapter = adapter_priv;
744         struct device *parent = adapter->dev.parent;
745         struct i2c_adapter *parent_adapter;
746         struct dvb_usb_device *d;
747
748         /*
749          * All tuners are connected to demod muxed I2C adapter. We have to
750          * resolve its parent adapter in order to get handle for this driver
751          * private data. That is a bit hackish solution, GPIO or direct driver
752          * callback would be better...
753          */
754         if (parent != NULL && parent->type == &i2c_adapter_type)
755                 parent_adapter = to_i2c_adapter(parent);
756         else
757                 return -EINVAL;
758
759         d = i2c_get_adapdata(parent_adapter);
760
761         dev_dbg(&d->udev->dev, "%s: component=%d cmd=%d arg=%d\n",
762                         __func__, component, cmd, arg);
763
764         switch (component) {
765         case DVB_FRONTEND_COMPONENT_TUNER:
766                 return rtl2832u_tuner_callback(d, cmd, arg);
767         default:
768                 break;
769         }
770
771         return 0;
772 }
773
774 static int rtl2832u_frontend_attach(struct dvb_usb_adapter *adap)
775 {
776         struct dvb_usb_device *d = adap_to_d(adap);
777         struct rtl28xxu_priv *priv = d_to_priv(d);
778         struct rtl2832_platform_data *pdata = &priv->rtl2832_platform_data;
779         struct i2c_board_info board_info;
780         struct i2c_client *client;
781         int ret;
782
783         dev_dbg(&d->udev->dev, "%s:\n", __func__);
784
785         switch (priv->tuner) {
786         case TUNER_RTL2832_FC0012:
787                 *pdata = rtl2832_fc0012_platform_data;
788                 break;
789         case TUNER_RTL2832_FC0013:
790                 *pdata = rtl2832_fc0013_platform_data;
791                 break;
792         case TUNER_RTL2832_FC2580:
793                 /* FIXME: do not abuse fc0012 settings */
794                 *pdata = rtl2832_fc0012_platform_data;
795                 break;
796         case TUNER_RTL2832_TUA9001:
797                 *pdata = rtl2832_tua9001_platform_data;
798                 break;
799         case TUNER_RTL2832_E4000:
800                 *pdata = rtl2832_e4000_platform_data;
801                 break;
802         case TUNER_RTL2832_R820T:
803         case TUNER_RTL2832_R828D:
804                 *pdata = rtl2832_r820t_platform_data;
805                 break;
806         default:
807                 dev_err(&d->udev->dev, "%s: unknown tuner=%s\n",
808                                 KBUILD_MODNAME, priv->tuner_name);
809                 ret = -ENODEV;
810                 goto err;
811         }
812
813         /* attach demodulator */
814         memset(&board_info, 0, sizeof(board_info));
815         strlcpy(board_info.type, "rtl2832", I2C_NAME_SIZE);
816         board_info.addr = 0x10;
817         board_info.platform_data = pdata;
818         request_module("%s", board_info.type);
819         client = i2c_new_device(&d->i2c_adap, &board_info);
820         if (client == NULL || client->dev.driver == NULL) {
821                 ret = -ENODEV;
822                 goto err;
823         }
824
825         if (!try_module_get(client->dev.driver->owner)) {
826                 i2c_unregister_device(client);
827                 ret = -ENODEV;
828                 goto err;
829         }
830
831         adap->fe[0] = pdata->get_dvb_frontend(client);
832         priv->demod_i2c_adapter = pdata->get_i2c_adapter(client);
833
834         priv->i2c_client_demod = client;
835
836         /* set fe callback */
837         adap->fe[0]->callback = rtl2832u_frontend_callback;
838
839         if (priv->slave_demod) {
840                 struct i2c_board_info info = {};
841
842                 /*
843                  * We continue on reduced mode, without DVB-T2/C, using master
844                  * demod, when slave demod fails.
845                  */
846                 ret = 0;
847
848                 /* attach slave demodulator */
849                 if (priv->slave_demod == SLAVE_DEMOD_MN88472) {
850                         struct mn88472_config mn88472_config = {};
851
852                         mn88472_config.fe = &adap->fe[1];
853                         mn88472_config.i2c_wr_max = 22,
854                         strlcpy(info.type, "mn88472", I2C_NAME_SIZE);
855                         mn88472_config.xtal = 20500000;
856                         info.addr = 0x18;
857                         info.platform_data = &mn88472_config;
858                         request_module(info.type);
859                         client = i2c_new_device(&d->i2c_adap, &info);
860                         if (client == NULL || client->dev.driver == NULL) {
861                                 priv->slave_demod = SLAVE_DEMOD_NONE;
862                                 goto err_slave_demod_failed;
863                         }
864
865                         if (!try_module_get(client->dev.driver->owner)) {
866                                 i2c_unregister_device(client);
867                                 priv->slave_demod = SLAVE_DEMOD_NONE;
868                                 goto err_slave_demod_failed;
869                         }
870
871                         priv->i2c_client_slave_demod = client;
872                 } else {
873                         struct mn88473_config mn88473_config = {};
874
875                         mn88473_config.fe = &adap->fe[1];
876                         mn88473_config.i2c_wr_max = 22,
877                         strlcpy(info.type, "mn88473", I2C_NAME_SIZE);
878                         info.addr = 0x18;
879                         info.platform_data = &mn88473_config;
880                         request_module(info.type);
881                         client = i2c_new_device(&d->i2c_adap, &info);
882                         if (client == NULL || client->dev.driver == NULL) {
883                                 priv->slave_demod = SLAVE_DEMOD_NONE;
884                                 goto err_slave_demod_failed;
885                         }
886
887                         if (!try_module_get(client->dev.driver->owner)) {
888                                 i2c_unregister_device(client);
889                                 priv->slave_demod = SLAVE_DEMOD_NONE;
890                                 goto err_slave_demod_failed;
891                         }
892
893                         priv->i2c_client_slave_demod = client;
894                 }
895         }
896
897         return 0;
898 err_slave_demod_failed:
899 err:
900         dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
901         return ret;
902 }
903
904 static int rtl2832u_frontend_detach(struct dvb_usb_adapter *adap)
905 {
906         struct dvb_usb_device *d = adap_to_d(adap);
907         struct rtl28xxu_priv *priv = d_to_priv(d);
908         struct i2c_client *client;
909
910         dev_dbg(&d->udev->dev, "%s:\n", __func__);
911
912         /* remove I2C slave demod */
913         client = priv->i2c_client_slave_demod;
914         if (client) {
915                 module_put(client->dev.driver->owner);
916                 i2c_unregister_device(client);
917         }
918
919         /* remove I2C demod */
920         client = priv->i2c_client_demod;
921         if (client) {
922                 module_put(client->dev.driver->owner);
923                 i2c_unregister_device(client);
924         }
925
926         return 0;
927 }
928
929 static struct qt1010_config rtl28xxu_qt1010_config = {
930         .i2c_address = 0x62, /* 0xc4 */
931 };
932
933 static struct mt2060_config rtl28xxu_mt2060_config = {
934         .i2c_address = 0x60, /* 0xc0 */
935         .clock_out = 0,
936 };
937
938 static struct mxl5005s_config rtl28xxu_mxl5005s_config = {
939         .i2c_address     = 0x63, /* 0xc6 */
940         .if_freq         = IF_FREQ_4570000HZ,
941         .xtal_freq       = CRYSTAL_FREQ_16000000HZ,
942         .agc_mode        = MXL_SINGLE_AGC,
943         .tracking_filter = MXL_TF_C_H,
944         .rssi_enable     = MXL_RSSI_ENABLE,
945         .cap_select      = MXL_CAP_SEL_ENABLE,
946         .div_out         = MXL_DIV_OUT_4,
947         .clock_out       = MXL_CLOCK_OUT_DISABLE,
948         .output_load     = MXL5005S_IF_OUTPUT_LOAD_200_OHM,
949         .top             = MXL5005S_TOP_25P2,
950         .mod_mode        = MXL_DIGITAL_MODE,
951         .if_mode         = MXL_ZERO_IF,
952         .AgcMasterByte   = 0x00,
953 };
954
955 static int rtl2831u_tuner_attach(struct dvb_usb_adapter *adap)
956 {
957         int ret;
958         struct dvb_usb_device *d = adap_to_d(adap);
959         struct rtl28xxu_priv *priv = d_to_priv(d);
960         struct dvb_frontend *fe;
961
962         dev_dbg(&d->udev->dev, "%s:\n", __func__);
963
964         switch (priv->tuner) {
965         case TUNER_RTL2830_QT1010:
966                 fe = dvb_attach(qt1010_attach, adap->fe[0],
967                                 priv->demod_i2c_adapter,
968                                 &rtl28xxu_qt1010_config);
969                 break;
970         case TUNER_RTL2830_MT2060:
971                 fe = dvb_attach(mt2060_attach, adap->fe[0],
972                                 priv->demod_i2c_adapter,
973                                 &rtl28xxu_mt2060_config, 1220);
974                 break;
975         case TUNER_RTL2830_MXL5005S:
976                 fe = dvb_attach(mxl5005s_attach, adap->fe[0],
977                                 priv->demod_i2c_adapter,
978                                 &rtl28xxu_mxl5005s_config);
979                 break;
980         default:
981                 fe = NULL;
982                 dev_err(&d->udev->dev, "%s: unknown tuner=%d\n", KBUILD_MODNAME,
983                                 priv->tuner);
984         }
985
986         if (fe == NULL) {
987                 ret = -ENODEV;
988                 goto err;
989         }
990
991         return 0;
992 err:
993         dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
994         return ret;
995 }
996
997 static const struct fc2580_config rtl2832u_fc2580_config = {
998         .i2c_addr = 0x56,
999         .clock = 16384000,
1000 };
1001
1002 static struct tua9001_config rtl2832u_tua9001_config = {
1003         .i2c_addr = 0x60,
1004 };
1005
1006 static const struct fc0012_config rtl2832u_fc0012_config = {
1007         .i2c_address = 0x63, /* 0xc6 >> 1 */
1008         .xtal_freq = FC_XTAL_28_8_MHZ,
1009 };
1010
1011 static const struct r820t_config rtl2832u_r820t_config = {
1012         .i2c_addr = 0x1a,
1013         .xtal = 28800000,
1014         .max_i2c_msg_len = 2,
1015         .rafael_chip = CHIP_R820T,
1016 };
1017
1018 static const struct r820t_config rtl2832u_r828d_config = {
1019         .i2c_addr = 0x3a,
1020         .xtal = 16000000,
1021         .max_i2c_msg_len = 2,
1022         .rafael_chip = CHIP_R828D,
1023 };
1024
1025 static int rtl2832u_tuner_attach(struct dvb_usb_adapter *adap)
1026 {
1027         int ret;
1028         struct dvb_usb_device *d = adap_to_d(adap);
1029         struct rtl28xxu_priv *priv = d_to_priv(d);
1030         struct dvb_frontend *fe = NULL;
1031         struct i2c_board_info info;
1032         struct i2c_client *client;
1033         struct v4l2_subdev *subdev = NULL;
1034
1035         dev_dbg(&d->udev->dev, "%s:\n", __func__);
1036
1037         memset(&info, 0, sizeof(struct i2c_board_info));
1038
1039         switch (priv->tuner) {
1040         case TUNER_RTL2832_FC0012:
1041                 fe = dvb_attach(fc0012_attach, adap->fe[0],
1042                         priv->demod_i2c_adapter, &rtl2832u_fc0012_config);
1043
1044                 /* since fc0012 includs reading the signal strength delegate
1045                  * that to the tuner driver */
1046                 adap->fe[0]->ops.read_signal_strength =
1047                                 adap->fe[0]->ops.tuner_ops.get_rf_strength;
1048                 break;
1049         case TUNER_RTL2832_FC0013:
1050                 fe = dvb_attach(fc0013_attach, adap->fe[0],
1051                         priv->demod_i2c_adapter, 0xc6>>1, 0, FC_XTAL_28_8_MHZ);
1052
1053                 /* fc0013 also supports signal strength reading */
1054                 adap->fe[0]->ops.read_signal_strength =
1055                                 adap->fe[0]->ops.tuner_ops.get_rf_strength;
1056                 break;
1057         case TUNER_RTL2832_E4000: {
1058                         struct e4000_config e4000_config = {
1059                                 .fe = adap->fe[0],
1060                                 .clock = 28800000,
1061                         };
1062
1063                         strlcpy(info.type, "e4000", I2C_NAME_SIZE);
1064                         info.addr = 0x64;
1065                         info.platform_data = &e4000_config;
1066
1067                         request_module(info.type);
1068                         client = i2c_new_device(priv->demod_i2c_adapter, &info);
1069                         if (client == NULL || client->dev.driver == NULL)
1070                                 break;
1071
1072                         if (!try_module_get(client->dev.driver->owner)) {
1073                                 i2c_unregister_device(client);
1074                                 break;
1075                         }
1076
1077                         priv->i2c_client_tuner = client;
1078                         subdev = i2c_get_clientdata(client);
1079                 }
1080                 break;
1081         case TUNER_RTL2832_FC2580:
1082                 fe = dvb_attach(fc2580_attach, adap->fe[0],
1083                                 priv->demod_i2c_adapter,
1084                                 &rtl2832u_fc2580_config);
1085                 break;
1086         case TUNER_RTL2832_TUA9001:
1087                 /* enable GPIO1 and GPIO4 as output */
1088                 ret = rtl28xx_wr_reg_mask(d, SYS_GPIO_DIR, 0x00, 0x12);
1089                 if (ret)
1090                         goto err;
1091
1092                 ret = rtl28xx_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x12, 0x12);
1093                 if (ret)
1094                         goto err;
1095
1096                 fe = dvb_attach(tua9001_attach, adap->fe[0],
1097                                 priv->demod_i2c_adapter,
1098                                 &rtl2832u_tua9001_config);
1099                 break;
1100         case TUNER_RTL2832_R820T:
1101                 fe = dvb_attach(r820t_attach, adap->fe[0],
1102                                 priv->demod_i2c_adapter,
1103                                 &rtl2832u_r820t_config);
1104
1105                 /* Use tuner to get the signal strength */
1106                 adap->fe[0]->ops.read_signal_strength =
1107                                 adap->fe[0]->ops.tuner_ops.get_rf_strength;
1108                 break;
1109         case TUNER_RTL2832_R828D:
1110                 fe = dvb_attach(r820t_attach, adap->fe[0],
1111                                 priv->demod_i2c_adapter,
1112                                 &rtl2832u_r828d_config);
1113                 adap->fe[0]->ops.read_signal_strength =
1114                                 adap->fe[0]->ops.tuner_ops.get_rf_strength;
1115
1116                 if (adap->fe[1]) {
1117                         fe = dvb_attach(r820t_attach, adap->fe[1],
1118                                         priv->demod_i2c_adapter,
1119                                         &rtl2832u_r828d_config);
1120                         adap->fe[1]->ops.read_signal_strength =
1121                                         adap->fe[1]->ops.tuner_ops.get_rf_strength;
1122                 }
1123                 break;
1124         default:
1125                 dev_err(&d->udev->dev, "%s: unknown tuner=%d\n", KBUILD_MODNAME,
1126                                 priv->tuner);
1127         }
1128         if (fe == NULL && priv->i2c_client_tuner == NULL) {
1129                 ret = -ENODEV;
1130                 goto err;
1131         }
1132
1133         /* register SDR */
1134         switch (priv->tuner) {
1135                 struct platform_device *pdev;
1136                 struct rtl2832_sdr_platform_data pdata = {};
1137
1138         case TUNER_RTL2832_FC0012:
1139         case TUNER_RTL2832_FC0013:
1140         case TUNER_RTL2832_E4000:
1141         case TUNER_RTL2832_R820T:
1142         case TUNER_RTL2832_R828D:
1143                 pdata.clk = priv->rtl2832_platform_data.clk;
1144                 pdata.tuner = priv->tuner;
1145                 pdata.i2c_client = priv->i2c_client_demod;
1146                 pdata.bulk_read = priv->rtl2832_platform_data.bulk_read;
1147                 pdata.bulk_write = priv->rtl2832_platform_data.bulk_write;
1148                 pdata.update_bits = priv->rtl2832_platform_data.update_bits;
1149                 pdata.dvb_frontend = adap->fe[0];
1150                 pdata.dvb_usb_device = d;
1151                 pdata.v4l2_subdev = subdev;
1152
1153                 request_module("%s", "rtl2832_sdr");
1154                 pdev = platform_device_register_data(&priv->i2c_client_demod->dev,
1155                                                      "rtl2832_sdr",
1156                                                      PLATFORM_DEVID_AUTO,
1157                                                      &pdata, sizeof(pdata));
1158                 if (pdev == NULL || pdev->dev.driver == NULL)
1159                         break;
1160                 if (!try_module_get(pdev->dev.driver->owner)) {
1161                         platform_device_unregister(pdev);
1162                         break;
1163                 }
1164                 priv->platform_device_sdr = pdev;
1165                 break;
1166         default:
1167                 dev_dbg(&d->udev->dev, "no SDR for tuner=%d\n", priv->tuner);
1168         }
1169
1170         return 0;
1171 err:
1172         dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
1173         return ret;
1174 }
1175
1176 static int rtl2832u_tuner_detach(struct dvb_usb_adapter *adap)
1177 {
1178         struct dvb_usb_device *d = adap_to_d(adap);
1179         struct rtl28xxu_priv *priv = d_to_priv(d);
1180         struct i2c_client *client;
1181         struct platform_device *pdev;
1182
1183         dev_dbg(&d->udev->dev, "%s:\n", __func__);
1184
1185         /* remove platform SDR */
1186         pdev = priv->platform_device_sdr;
1187         if (pdev) {
1188                 module_put(pdev->dev.driver->owner);
1189                 platform_device_unregister(pdev);
1190         }
1191
1192         /* remove I2C tuner */
1193         client = priv->i2c_client_tuner;
1194         if (client) {
1195                 module_put(client->dev.driver->owner);
1196                 i2c_unregister_device(client);
1197         }
1198
1199         return 0;
1200 }
1201
1202 static int rtl28xxu_init(struct dvb_usb_device *d)
1203 {
1204         int ret;
1205         u8 val;
1206
1207         dev_dbg(&d->udev->dev, "%s:\n", __func__);
1208
1209         /* init USB endpoints */
1210         ret = rtl28xx_rd_reg(d, USB_SYSCTL_0, &val);
1211         if (ret)
1212                 goto err;
1213
1214         /* enable DMA and Full Packet Mode*/
1215         val |= 0x09;
1216         ret = rtl28xx_wr_reg(d, USB_SYSCTL_0, val);
1217         if (ret)
1218                 goto err;
1219
1220         /* set EPA maximum packet size to 0x0200 */
1221         ret = rtl28xx_wr_regs(d, USB_EPA_MAXPKT, "\x00\x02\x00\x00", 4);
1222         if (ret)
1223                 goto err;
1224
1225         /* change EPA FIFO length */
1226         ret = rtl28xx_wr_regs(d, USB_EPA_FIFO_CFG, "\x14\x00\x00\x00", 4);
1227         if (ret)
1228                 goto err;
1229
1230         return ret;
1231 err:
1232         dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
1233         return ret;
1234 }
1235
1236 static int rtl2831u_power_ctrl(struct dvb_usb_device *d, int onoff)
1237 {
1238         int ret;
1239         u8 gpio, sys0, epa_ctl[2];
1240
1241         dev_dbg(&d->udev->dev, "%s: onoff=%d\n", __func__, onoff);
1242
1243         /* demod adc */
1244         ret = rtl28xx_rd_reg(d, SYS_SYS0, &sys0);
1245         if (ret)
1246                 goto err;
1247
1248         /* tuner power, read GPIOs */
1249         ret = rtl28xx_rd_reg(d, SYS_GPIO_OUT_VAL, &gpio);
1250         if (ret)
1251                 goto err;
1252
1253         dev_dbg(&d->udev->dev, "%s: RD SYS0=%02x GPIO_OUT_VAL=%02x\n", __func__,
1254                         sys0, gpio);
1255
1256         if (onoff) {
1257                 gpio |= 0x01; /* GPIO0 = 1 */
1258                 gpio &= (~0x10); /* GPIO4 = 0 */
1259                 gpio |= 0x04; /* GPIO2 = 1, LED on */
1260                 sys0 = sys0 & 0x0f;
1261                 sys0 |= 0xe0;
1262                 epa_ctl[0] = 0x00; /* clear stall */
1263                 epa_ctl[1] = 0x00; /* clear reset */
1264         } else {
1265                 gpio &= (~0x01); /* GPIO0 = 0 */
1266                 gpio |= 0x10; /* GPIO4 = 1 */
1267                 gpio &= (~0x04); /* GPIO2 = 1, LED off */
1268                 sys0 = sys0 & (~0xc0);
1269                 epa_ctl[0] = 0x10; /* set stall */
1270                 epa_ctl[1] = 0x02; /* set reset */
1271         }
1272
1273         dev_dbg(&d->udev->dev, "%s: WR SYS0=%02x GPIO_OUT_VAL=%02x\n", __func__,
1274                         sys0, gpio);
1275
1276         /* demod adc */
1277         ret = rtl28xx_wr_reg(d, SYS_SYS0, sys0);
1278         if (ret)
1279                 goto err;
1280
1281         /* tuner power, write GPIOs */
1282         ret = rtl28xx_wr_reg(d, SYS_GPIO_OUT_VAL, gpio);
1283         if (ret)
1284                 goto err;
1285
1286         /* streaming EP: stall & reset */
1287         ret = rtl28xx_wr_regs(d, USB_EPA_CTL, epa_ctl, 2);
1288         if (ret)
1289                 goto err;
1290
1291         if (onoff)
1292                 usb_clear_halt(d->udev, usb_rcvbulkpipe(d->udev, 0x81));
1293
1294         return ret;
1295 err:
1296         dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
1297         return ret;
1298 }
1299
1300 static int rtl2832u_power_ctrl(struct dvb_usb_device *d, int onoff)
1301 {
1302         int ret;
1303
1304         dev_dbg(&d->udev->dev, "%s: onoff=%d\n", __func__, onoff);
1305
1306         if (onoff) {
1307                 /* GPIO3=1, GPIO4=0 */
1308                 ret = rtl28xx_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x08, 0x18);
1309                 if (ret)
1310                         goto err;
1311
1312                 /* suspend? */
1313                 ret = rtl28xx_wr_reg_mask(d, SYS_DEMOD_CTL1, 0x00, 0x10);
1314                 if (ret)
1315                         goto err;
1316
1317                 /* enable PLL */
1318                 ret = rtl28xx_wr_reg_mask(d, SYS_DEMOD_CTL, 0x80, 0x80);
1319                 if (ret)
1320                         goto err;
1321
1322                 /* disable reset */
1323                 ret = rtl28xx_wr_reg_mask(d, SYS_DEMOD_CTL, 0x20, 0x20);
1324                 if (ret)
1325                         goto err;
1326
1327                 /* streaming EP: clear stall & reset */
1328                 ret = rtl28xx_wr_regs(d, USB_EPA_CTL, "\x00\x00", 2);
1329                 if (ret)
1330                         goto err;
1331
1332                 ret = usb_clear_halt(d->udev, usb_rcvbulkpipe(d->udev, 0x81));
1333                 if (ret)
1334                         goto err;
1335         } else {
1336                 /* GPIO4=1 */
1337                 ret = rtl28xx_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x10, 0x10);
1338                 if (ret)
1339                         goto err;
1340
1341                 /* disable PLL */
1342                 ret = rtl28xx_wr_reg_mask(d, SYS_DEMOD_CTL, 0x00, 0x80);
1343                 if (ret)
1344                         goto err;
1345
1346                 /* streaming EP: set stall & reset */
1347                 ret = rtl28xx_wr_regs(d, USB_EPA_CTL, "\x10\x02", 2);
1348                 if (ret)
1349                         goto err;
1350         }
1351
1352         return ret;
1353 err:
1354         dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
1355         return ret;
1356 }
1357
1358 static int rtl2832u_frontend_ctrl(struct dvb_frontend *fe, int onoff)
1359 {
1360         struct dvb_usb_device *d = fe_to_d(fe);
1361         struct rtl28xxu_priv *priv = fe_to_priv(fe);
1362         struct rtl2832_platform_data *pdata = &priv->rtl2832_platform_data;
1363         int ret;
1364         u8 val;
1365
1366         dev_dbg(&d->udev->dev, "%s: fe=%d onoff=%d\n", __func__, fe->id, onoff);
1367
1368         /* control internal demod ADC */
1369         if (fe->id == 0 && onoff)
1370                 val = 0x48; /* enable ADC */
1371         else
1372                 val = 0x00; /* disable ADC */
1373
1374         ret = rtl28xx_wr_reg_mask(d, SYS_DEMOD_CTL, val, 0x48);
1375         if (ret)
1376                 goto err;
1377
1378         /* bypass slave demod TS through master demod */
1379         if (fe->id == 1 && onoff) {
1380                 ret = pdata->enable_slave_ts(priv->i2c_client_demod);
1381                 if (ret)
1382                         goto err;
1383         }
1384
1385         return 0;
1386 err:
1387         dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
1388         return ret;
1389 }
1390
1391 #if IS_ENABLED(CONFIG_RC_CORE)
1392 static int rtl2831u_rc_query(struct dvb_usb_device *d)
1393 {
1394         int ret, i;
1395         struct rtl28xxu_priv *priv = d->priv;
1396         u8 buf[5];
1397         u32 rc_code;
1398         struct rtl28xxu_reg_val rc_nec_tab[] = {
1399                 { 0x3033, 0x80 },
1400                 { 0x3020, 0x43 },
1401                 { 0x3021, 0x16 },
1402                 { 0x3022, 0x16 },
1403                 { 0x3023, 0x5a },
1404                 { 0x3024, 0x2d },
1405                 { 0x3025, 0x16 },
1406                 { 0x3026, 0x01 },
1407                 { 0x3028, 0xb0 },
1408                 { 0x3029, 0x04 },
1409                 { 0x302c, 0x88 },
1410                 { 0x302e, 0x13 },
1411                 { 0x3030, 0xdf },
1412                 { 0x3031, 0x05 },
1413         };
1414
1415         /* init remote controller */
1416         if (!priv->rc_active) {
1417                 for (i = 0; i < ARRAY_SIZE(rc_nec_tab); i++) {
1418                         ret = rtl28xx_wr_reg(d, rc_nec_tab[i].reg,
1419                                         rc_nec_tab[i].val);
1420                         if (ret)
1421                                 goto err;
1422                 }
1423                 priv->rc_active = true;
1424         }
1425
1426         ret = rtl2831_rd_regs(d, SYS_IRRC_RP, buf, 5);
1427         if (ret)
1428                 goto err;
1429
1430         if (buf[4] & 0x01) {
1431                 if (buf[2] == (u8) ~buf[3]) {
1432                         if (buf[0] == (u8) ~buf[1]) {
1433                                 /* NEC standard (16 bit) */
1434                                 rc_code = RC_SCANCODE_NEC(buf[0], buf[2]);
1435                         } else {
1436                                 /* NEC extended (24 bit) */
1437                                 rc_code = RC_SCANCODE_NECX(buf[0] << 8 | buf[1],
1438                                                            buf[2]);
1439                         }
1440                 } else {
1441                         /* NEC full (32 bit) */
1442                         rc_code = RC_SCANCODE_NEC32(buf[0] << 24 | buf[1] << 16 |
1443                                                     buf[2] << 8  | buf[3]);
1444                 }
1445
1446                 rc_keydown(d->rc_dev, RC_TYPE_NEC, rc_code, 0);
1447
1448                 ret = rtl28xx_wr_reg(d, SYS_IRRC_SR, 1);
1449                 if (ret)
1450                         goto err;
1451
1452                 /* repeated intentionally to avoid extra keypress */
1453                 ret = rtl28xx_wr_reg(d, SYS_IRRC_SR, 1);
1454                 if (ret)
1455                         goto err;
1456         }
1457
1458         return ret;
1459 err:
1460         dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
1461         return ret;
1462 }
1463
1464 static int rtl2831u_get_rc_config(struct dvb_usb_device *d,
1465                 struct dvb_usb_rc *rc)
1466 {
1467         rc->map_name = RC_MAP_EMPTY;
1468         rc->allowed_protos = RC_BIT_NEC;
1469         rc->query = rtl2831u_rc_query;
1470         rc->interval = 400;
1471
1472         return 0;
1473 }
1474
1475 static int rtl2832u_rc_query(struct dvb_usb_device *d)
1476 {
1477         int ret, i, len;
1478         struct rtl28xxu_priv *priv = d->priv;
1479         struct ir_raw_event ev;
1480         u8 buf[128];
1481         static const struct rtl28xxu_reg_val_mask refresh_tab[] = {
1482                 {IR_RX_IF,               0x03, 0xff},
1483                 {IR_RX_BUF_CTRL,         0x80, 0xff},
1484                 {IR_RX_CTRL,             0x80, 0xff},
1485         };
1486
1487         /* init remote controller */
1488         if (!priv->rc_active) {
1489                 static const struct rtl28xxu_reg_val_mask init_tab[] = {
1490                         {SYS_DEMOD_CTL1,         0x00, 0x04},
1491                         {SYS_DEMOD_CTL1,         0x00, 0x08},
1492                         {USB_CTRL,               0x20, 0x20},
1493                         {SYS_GPIO_DIR,           0x00, 0x08},
1494                         {SYS_GPIO_OUT_EN,        0x08, 0x08},
1495                         {SYS_GPIO_OUT_VAL,       0x08, 0x08},
1496                         {IR_MAX_DURATION0,       0xd0, 0xff},
1497                         {IR_MAX_DURATION1,       0x07, 0xff},
1498                         {IR_IDLE_LEN0,           0xc0, 0xff},
1499                         {IR_IDLE_LEN1,           0x00, 0xff},
1500                         {IR_GLITCH_LEN,          0x03, 0xff},
1501                         {IR_RX_CLK,              0x09, 0xff},
1502                         {IR_RX_CFG,              0x1c, 0xff},
1503                         {IR_MAX_H_TOL_LEN,       0x1e, 0xff},
1504                         {IR_MAX_L_TOL_LEN,       0x1e, 0xff},
1505                         {IR_RX_CTRL,             0x80, 0xff},
1506                 };
1507
1508                 for (i = 0; i < ARRAY_SIZE(init_tab); i++) {
1509                         ret = rtl28xx_wr_reg_mask(d, init_tab[i].reg,
1510                                         init_tab[i].val, init_tab[i].mask);
1511                         if (ret)
1512                                 goto err;
1513                 }
1514
1515                 priv->rc_active = true;
1516         }
1517
1518         ret = rtl28xx_rd_reg(d, IR_RX_IF, &buf[0]);
1519         if (ret)
1520                 goto err;
1521
1522         if (buf[0] != 0x83)
1523                 goto exit;
1524
1525         ret = rtl28xx_rd_reg(d, IR_RX_BC, &buf[0]);
1526         if (ret)
1527                 goto err;
1528
1529         len = buf[0];
1530
1531         /* read raw code from hw */
1532         ret = rtl2831_rd_regs(d, IR_RX_BUF, buf, len);
1533         if (ret)
1534                 goto err;
1535
1536         /* let hw receive new code */
1537         for (i = 0; i < ARRAY_SIZE(refresh_tab); i++) {
1538                 ret = rtl28xx_wr_reg_mask(d, refresh_tab[i].reg,
1539                                 refresh_tab[i].val, refresh_tab[i].mask);
1540                 if (ret)
1541                         goto err;
1542         }
1543
1544         /* pass data to Kernel IR decoder */
1545         init_ir_raw_event(&ev);
1546
1547         for (i = 0; i < len; i++) {
1548                 ev.pulse = buf[i] >> 7;
1549                 ev.duration = 50800 * (buf[i] & 0x7f);
1550                 ir_raw_event_store_with_filter(d->rc_dev, &ev);
1551         }
1552
1553         /* 'flush' ir_raw_event_store_with_filter() */
1554         ir_raw_event_set_idle(d->rc_dev, true);
1555         ir_raw_event_handle(d->rc_dev);
1556 exit:
1557         return ret;
1558 err:
1559         dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
1560         return ret;
1561 }
1562
1563 static int rtl2832u_get_rc_config(struct dvb_usb_device *d,
1564                 struct dvb_usb_rc *rc)
1565 {
1566         /* disable IR interrupts in order to avoid SDR sample loss */
1567         if (rtl28xxu_disable_rc)
1568                 return rtl28xx_wr_reg(d, IR_RX_IE, 0x00);
1569
1570         /* load empty to enable rc */
1571         if (!rc->map_name)
1572                 rc->map_name = RC_MAP_EMPTY;
1573         rc->allowed_protos = RC_BIT_ALL;
1574         rc->driver_type = RC_DRIVER_IR_RAW;
1575         rc->query = rtl2832u_rc_query;
1576         rc->interval = 400;
1577
1578         return 0;
1579 }
1580 #else
1581 #define rtl2831u_get_rc_config NULL
1582 #define rtl2832u_get_rc_config NULL
1583 #endif
1584
1585 static int rtl2831u_pid_filter_ctrl(struct dvb_usb_adapter *adap, int onoff)
1586 {
1587         struct dvb_usb_device *d = adap_to_d(adap);
1588         struct rtl28xxu_priv *priv = d_to_priv(d);
1589         struct rtl2830_platform_data *pdata = &priv->rtl2830_platform_data;
1590
1591         return pdata->pid_filter_ctrl(adap->fe[0], onoff);
1592 }
1593
1594 static int rtl2832u_pid_filter_ctrl(struct dvb_usb_adapter *adap, int onoff)
1595 {
1596         struct dvb_usb_device *d = adap_to_d(adap);
1597         struct rtl28xxu_priv *priv = d_to_priv(d);
1598         struct rtl2832_platform_data *pdata = &priv->rtl2832_platform_data;
1599
1600         return pdata->pid_filter_ctrl(adap->fe[0], onoff);
1601 }
1602
1603 static int rtl2831u_pid_filter(struct dvb_usb_adapter *adap, int index, u16 pid, int onoff)
1604 {
1605         struct dvb_usb_device *d = adap_to_d(adap);
1606         struct rtl28xxu_priv *priv = d_to_priv(d);
1607         struct rtl2830_platform_data *pdata = &priv->rtl2830_platform_data;
1608
1609         return pdata->pid_filter(adap->fe[0], index, pid, onoff);
1610 }
1611
1612 static int rtl2832u_pid_filter(struct dvb_usb_adapter *adap, int index, u16 pid, int onoff)
1613 {
1614         struct dvb_usb_device *d = adap_to_d(adap);
1615         struct rtl28xxu_priv *priv = d_to_priv(d);
1616         struct rtl2832_platform_data *pdata = &priv->rtl2832_platform_data;
1617
1618         return pdata->pid_filter(adap->fe[0], index, pid, onoff);
1619 }
1620
1621 static const struct dvb_usb_device_properties rtl2831u_props = {
1622         .driver_name = KBUILD_MODNAME,
1623         .owner = THIS_MODULE,
1624         .adapter_nr = adapter_nr,
1625         .size_of_priv = sizeof(struct rtl28xxu_priv),
1626
1627         .power_ctrl = rtl2831u_power_ctrl,
1628         .i2c_algo = &rtl28xxu_i2c_algo,
1629         .read_config = rtl2831u_read_config,
1630         .frontend_attach = rtl2831u_frontend_attach,
1631         .frontend_detach = rtl2832u_frontend_detach,
1632         .tuner_attach = rtl2831u_tuner_attach,
1633         .init = rtl28xxu_init,
1634         .get_rc_config = rtl2831u_get_rc_config,
1635
1636         .num_adapters = 1,
1637         .adapter = {
1638                 {
1639                         .caps = DVB_USB_ADAP_HAS_PID_FILTER |
1640                                 DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
1641
1642                         .pid_filter_count = 32,
1643                         .pid_filter_ctrl = rtl2831u_pid_filter_ctrl,
1644                         .pid_filter = rtl2831u_pid_filter,
1645
1646                         .stream = DVB_USB_STREAM_BULK(0x81, 6, 8 * 512),
1647                 },
1648         },
1649 };
1650
1651 static const struct dvb_usb_device_properties rtl2832u_props = {
1652         .driver_name = KBUILD_MODNAME,
1653         .owner = THIS_MODULE,
1654         .adapter_nr = adapter_nr,
1655         .size_of_priv = sizeof(struct rtl28xxu_priv),
1656
1657         .power_ctrl = rtl2832u_power_ctrl,
1658         .frontend_ctrl = rtl2832u_frontend_ctrl,
1659         .i2c_algo = &rtl28xxu_i2c_algo,
1660         .read_config = rtl2832u_read_config,
1661         .frontend_attach = rtl2832u_frontend_attach,
1662         .frontend_detach = rtl2832u_frontend_detach,
1663         .tuner_attach = rtl2832u_tuner_attach,
1664         .tuner_detach = rtl2832u_tuner_detach,
1665         .init = rtl28xxu_init,
1666         .get_rc_config = rtl2832u_get_rc_config,
1667
1668         .num_adapters = 1,
1669         .adapter = {
1670                 {
1671                         .caps = DVB_USB_ADAP_HAS_PID_FILTER |
1672                                 DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
1673
1674                         .pid_filter_count = 32,
1675                         .pid_filter_ctrl = rtl2832u_pid_filter_ctrl,
1676                         .pid_filter = rtl2832u_pid_filter,
1677
1678                         .stream = DVB_USB_STREAM_BULK(0x81, 6, 8 * 512),
1679                 },
1680         },
1681 };
1682
1683 static const struct usb_device_id rtl28xxu_id_table[] = {
1684         /* RTL2831U devices: */
1685         { DVB_USB_DEVICE(USB_VID_REALTEK, USB_PID_REALTEK_RTL2831U,
1686                 &rtl2831u_props, "Realtek RTL2831U reference design", NULL) },
1687         { DVB_USB_DEVICE(USB_VID_WIDEVIEW, USB_PID_FREECOM_DVBT,
1688                 &rtl2831u_props, "Freecom USB2.0 DVB-T", NULL) },
1689         { DVB_USB_DEVICE(USB_VID_WIDEVIEW, USB_PID_FREECOM_DVBT_2,
1690                 &rtl2831u_props, "Freecom USB2.0 DVB-T", NULL) },
1691
1692         /* RTL2832U devices: */
1693         { DVB_USB_DEVICE(USB_VID_REALTEK, 0x2832,
1694                 &rtl2832u_props, "Realtek RTL2832U reference design", NULL) },
1695         { DVB_USB_DEVICE(USB_VID_REALTEK, 0x2838,
1696                 &rtl2832u_props, "Realtek RTL2832U reference design", NULL) },
1697         { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_CINERGY_T_STICK_BLACK_REV1,
1698                 &rtl2832u_props, "TerraTec Cinergy T Stick Black", RC_MAP_TERRATEC_SLIM) },
1699         { DVB_USB_DEVICE(USB_VID_GTEK, USB_PID_DELOCK_USB2_DVBT,
1700                 &rtl2832u_props, "G-Tek Electronics Group Lifeview LV5TDLX DVB-T", NULL) },
1701         { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_NOXON_DAB_STICK,
1702                 &rtl2832u_props, "TerraTec NOXON DAB Stick", NULL) },
1703         { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_NOXON_DAB_STICK_REV2,
1704                 &rtl2832u_props, "TerraTec NOXON DAB Stick (rev 2)", NULL) },
1705         { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_NOXON_DAB_STICK_REV3,
1706                 &rtl2832u_props, "TerraTec NOXON DAB Stick (rev 3)", NULL) },
1707         { DVB_USB_DEVICE(USB_VID_GTEK, USB_PID_TREKSTOR_TERRES_2_0,
1708                 &rtl2832u_props, "Trekstor DVB-T Stick Terres 2.0", NULL) },
1709         { DVB_USB_DEVICE(USB_VID_DEXATEK, 0x1101,
1710                 &rtl2832u_props, "Dexatek DK DVB-T Dongle", NULL) },
1711         { DVB_USB_DEVICE(USB_VID_LEADTEK, 0x6680,
1712                 &rtl2832u_props, "DigitalNow Quad DVB-T Receiver", NULL) },
1713         { DVB_USB_DEVICE(USB_VID_LEADTEK, USB_PID_WINFAST_DTV_DONGLE_MINID,
1714                 &rtl2832u_props, "Leadtek Winfast DTV Dongle Mini D", NULL) },
1715         { DVB_USB_DEVICE(USB_VID_TERRATEC, 0x00d3,
1716                 &rtl2832u_props, "TerraTec Cinergy T Stick RC (Rev. 3)", NULL) },
1717         { DVB_USB_DEVICE(USB_VID_DEXATEK, 0x1102,
1718                 &rtl2832u_props, "Dexatek DK mini DVB-T Dongle", NULL) },
1719         { DVB_USB_DEVICE(USB_VID_TERRATEC, 0x00d7,
1720                 &rtl2832u_props, "TerraTec Cinergy T Stick+", NULL) },
1721         { DVB_USB_DEVICE(USB_VID_KWORLD_2, 0xd3a8,
1722                 &rtl2832u_props, "ASUS My Cinema-U3100Mini Plus V2", NULL) },
1723         { DVB_USB_DEVICE(USB_VID_KWORLD_2, 0xd393,
1724                 &rtl2832u_props, "GIGABYTE U7300", NULL) },
1725         { DVB_USB_DEVICE(USB_VID_DEXATEK, 0x1104,
1726                 &rtl2832u_props, "MSI DIGIVOX Micro HD", NULL) },
1727         { DVB_USB_DEVICE(USB_VID_COMPRO, 0x0620,
1728                 &rtl2832u_props, "Compro VideoMate U620F", NULL) },
1729         { DVB_USB_DEVICE(USB_VID_KWORLD_2, 0xd394,
1730                 &rtl2832u_props, "MaxMedia HU394-T", NULL) },
1731         { DVB_USB_DEVICE(USB_VID_LEADTEK, 0x6a03,
1732                 &rtl2832u_props, "Leadtek WinFast DTV Dongle mini", NULL) },
1733         { DVB_USB_DEVICE(USB_VID_GTEK, USB_PID_CPYTO_REDI_PC50A,
1734                 &rtl2832u_props, "Crypto ReDi PC 50 A", NULL) },
1735         { DVB_USB_DEVICE(USB_VID_KYE, 0x707f,
1736                 &rtl2832u_props, "Genius TVGo DVB-T03", NULL) },
1737         { DVB_USB_DEVICE(USB_VID_KWORLD_2, 0xd395,
1738                 &rtl2832u_props, "Peak DVB-T USB", NULL) },
1739         { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_SVEON_STV20_RTL2832U,
1740                 &rtl2832u_props, "Sveon STV20", NULL) },
1741         { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_SVEON_STV21,
1742                 &rtl2832u_props, "Sveon STV21", NULL) },
1743         { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_SVEON_STV27,
1744                 &rtl2832u_props, "Sveon STV27", NULL) },
1745
1746         /* RTL2832P devices: */
1747         { DVB_USB_DEVICE(USB_VID_HANFTEK, 0x0131,
1748                 &rtl2832u_props, "Astrometa DVB-T2", NULL) },
1749         { }
1750 };
1751 MODULE_DEVICE_TABLE(usb, rtl28xxu_id_table);
1752
1753 static struct usb_driver rtl28xxu_usb_driver = {
1754         .name = KBUILD_MODNAME,
1755         .id_table = rtl28xxu_id_table,
1756         .probe = dvb_usbv2_probe,
1757         .disconnect = dvb_usbv2_disconnect,
1758         .suspend = dvb_usbv2_suspend,
1759         .resume = dvb_usbv2_resume,
1760         .reset_resume = dvb_usbv2_reset_resume,
1761         .no_dynamic_id = 1,
1762         .soft_unbind = 1,
1763 };
1764
1765 module_usb_driver(rtl28xxu_usb_driver);
1766
1767 MODULE_DESCRIPTION("Realtek RTL28xxU DVB USB driver");
1768 MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
1769 MODULE_AUTHOR("Thomas Mair <thomas.mair86@googlemail.com>");
1770 MODULE_LICENSE("GPL");