1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * Realtek RTL28xxU DVB USB driver
4 *
5 * Copyright (C) 2009 Antti Palosaari <crope@iki.fi>
6 * Copyright (C) 2011 Antti Palosaari <crope@iki.fi>
7 * Copyright (C) 2012 Thomas Mair <thomas.mair86@googlemail.com>
8 */
9
10 #include "rtl28xxu.h"
11
12 static int rtl28xxu_disable_rc;
13 module_param_named(disable_rc, rtl28xxu_disable_rc, int, 0644);
14 MODULE_PARM_DESC(disable_rc, "disable RTL2832U remote controller");
15 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
16
rtl28xxu_ctrl_msg(struct dvb_usb_device *d, struct rtl28xxu_req *req)17 static int rtl28xxu_ctrl_msg(struct dvb_usb_device *d, struct rtl28xxu_req *req)
18 {
19 struct rtl28xxu_dev *dev = d->priv;
20 int ret;
21 unsigned int pipe;
22 u8 requesttype;
23
24 mutex_lock(&d->usb_mutex);
25
26 if (req->size > sizeof(dev->buf)) {
27 dev_err(&d->intf->dev, "too large message %u\n", req->size);
28 ret = -EINVAL;
29 goto err_mutex_unlock;
30 }
31
32 if (req->index & CMD_WR_FLAG) {
33 /* write */
34 memcpy(dev->buf, req->data, req->size);
35 requesttype = (USB_TYPE_VENDOR | USB_DIR_OUT);
36 pipe = usb_sndctrlpipe(d->udev, 0);
37 } else {
38 /* read */
39 requesttype = (USB_TYPE_VENDOR | USB_DIR_IN);
40
41 /*
42 * Zero-length transfers must use usb_sndctrlpipe() and
43 * rtl28xxu_identify_state() uses a zero-length i2c read
44 * command to determine the chip type.
45 */
46 if (req->size)
47 pipe = usb_rcvctrlpipe(d->udev, 0);
48 else
49 pipe = usb_sndctrlpipe(d->udev, 0);
50 }
51
52 ret = usb_control_msg(d->udev, pipe, 0, requesttype, req->value,
53 req->index, dev->buf, req->size, 1000);
54 dvb_usb_dbg_usb_control_msg(d->udev, 0, requesttype, req->value,
55 req->index, dev->buf, req->size);
56 if (ret < 0)
57 goto err_mutex_unlock;
58
59 /* read request, copy returned data to return buf */
60 if (requesttype == (USB_TYPE_VENDOR | USB_DIR_IN))
61 memcpy(req->data, dev->buf, req->size);
62
63 mutex_unlock(&d->usb_mutex);
64
65 return 0;
66 err_mutex_unlock:
67 mutex_unlock(&d->usb_mutex);
68 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
69 return ret;
70 }
71
rtl28xxu_wr_regs(struct dvb_usb_device *d, u16 reg, u8 *val, int len)72 static int rtl28xxu_wr_regs(struct dvb_usb_device *d, u16 reg, u8 *val, int len)
73 {
74 struct rtl28xxu_req req;
75
76 if (reg < 0x3000)
77 req.index = CMD_USB_WR;
78 else if (reg < 0x4000)
79 req.index = CMD_SYS_WR;
80 else
81 req.index = CMD_IR_WR;
82
83 req.value = reg;
84 req.size = len;
85 req.data = val;
86
87 return rtl28xxu_ctrl_msg(d, &req);
88 }
89
rtl28xxu_rd_regs(struct dvb_usb_device *d, u16 reg, u8 *val, int len)90 static int rtl28xxu_rd_regs(struct dvb_usb_device *d, u16 reg, u8 *val, int len)
91 {
92 struct rtl28xxu_req req;
93
94 if (reg < 0x3000)
95 req.index = CMD_USB_RD;
96 else if (reg < 0x4000)
97 req.index = CMD_SYS_RD;
98 else
99 req.index = CMD_IR_RD;
100
101 req.value = reg;
102 req.size = len;
103 req.data = val;
104
105 return rtl28xxu_ctrl_msg(d, &req);
106 }
107
rtl28xxu_wr_reg(struct dvb_usb_device *d, u16 reg, u8 val)108 static int rtl28xxu_wr_reg(struct dvb_usb_device *d, u16 reg, u8 val)
109 {
110 return rtl28xxu_wr_regs(d, reg, &val, 1);
111 }
112
rtl28xxu_rd_reg(struct dvb_usb_device *d, u16 reg, u8 *val)113 static int rtl28xxu_rd_reg(struct dvb_usb_device *d, u16 reg, u8 *val)
114 {
115 return rtl28xxu_rd_regs(d, reg, val, 1);
116 }
117
rtl28xxu_wr_reg_mask(struct dvb_usb_device *d, u16 reg, u8 val, u8 mask)118 static int rtl28xxu_wr_reg_mask(struct dvb_usb_device *d, u16 reg, u8 val,
119 u8 mask)
120 {
121 int ret;
122 u8 tmp;
123
124 /* no need for read if whole reg is written */
125 if (mask != 0xff) {
126 ret = rtl28xxu_rd_reg(d, reg, &tmp);
127 if (ret)
128 return ret;
129
130 val &= mask;
131 tmp &= ~mask;
132 val |= tmp;
133 }
134
135 return rtl28xxu_wr_reg(d, reg, val);
136 }
137
138 /* I2C */
rtl28xxu_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[], int num)139 static int rtl28xxu_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[],
140 int num)
141 {
142 int ret;
143 struct dvb_usb_device *d = i2c_get_adapdata(adap);
144 struct rtl28xxu_dev *dev = d->priv;
145 struct rtl28xxu_req req;
146
147 /*
148 * It is not known which are real I2C bus xfer limits, but testing
149 * with RTL2831U + MT2060 gives max RD 24 and max WR 22 bytes.
150 * TODO: find out RTL2832U lens
151 */
152
153 /*
154 * I2C adapter logic looks rather complicated due to fact it handles
155 * three different access methods. Those methods are;
156 * 1) integrated demod access
157 * 2) old I2C access
158 * 3) new I2C access
159 *
160 * Used method is selected in order 1, 2, 3. Method 3 can handle all
161 * requests but there is two reasons why not use it always;
162 * 1) It is most expensive, usually two USB messages are needed
163 * 2) At least RTL2831U does not support it
164 *
165 * Method 3 is needed in case of I2C write+read (typical register read)
166 * where write is more than one byte.
167 */
168
169 if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
170 return -EAGAIN;
171
172 if (num == 2 && !(msg[0].flags & I2C_M_RD) &&
173 (msg[1].flags & I2C_M_RD)) {
174 if (msg[0].len > 24 || msg[1].len > 24) {
175 /* TODO: check msg[0].len max */
176 ret = -EOPNOTSUPP;
177 goto err_mutex_unlock;
178 } else if (msg[0].addr == 0x10) {
179 if (msg[0].len < 1 || msg[1].len < 1) {
180 ret = -EOPNOTSUPP;
181 goto err_mutex_unlock;
182 }
183 /* method 1 - integrated demod */
184 if (msg[0].buf[0] == 0x00) {
185 /* return demod page from driver cache */
186 msg[1].buf[0] = dev->page;
187 ret = 0;
188 } else {
189 req.value = (msg[0].buf[0] << 8) | (msg[0].addr << 1);
190 req.index = CMD_DEMOD_RD | dev->page;
191 req.size = msg[1].len;
192 req.data = &msg[1].buf[0];
193 ret = rtl28xxu_ctrl_msg(d, &req);
194 }
195 } else if (msg[0].len < 2) {
196 if (msg[0].len < 1) {
197 ret = -EOPNOTSUPP;
198 goto err_mutex_unlock;
199 }
200 /* method 2 - old I2C */
201 req.value = (msg[0].buf[0] << 8) | (msg[0].addr << 1);
202 req.index = CMD_I2C_RD;
203 req.size = msg[1].len;
204 req.data = &msg[1].buf[0];
205 ret = rtl28xxu_ctrl_msg(d, &req);
206 } else {
207 /* method 3 - new I2C */
208 req.value = (msg[0].addr << 1);
209 req.index = CMD_I2C_DA_WR;
210 req.size = msg[0].len;
211 req.data = msg[0].buf;
212 ret = rtl28xxu_ctrl_msg(d, &req);
213 if (ret)
214 goto err_mutex_unlock;
215
216 req.value = (msg[0].addr << 1);
217 req.index = CMD_I2C_DA_RD;
218 req.size = msg[1].len;
219 req.data = msg[1].buf;
220 ret = rtl28xxu_ctrl_msg(d, &req);
221 }
222 } else if (num == 1 && !(msg[0].flags & I2C_M_RD)) {
223 if (msg[0].len > 22) {
224 /* TODO: check msg[0].len max */
225 ret = -EOPNOTSUPP;
226 goto err_mutex_unlock;
227 } else if (msg[0].addr == 0x10) {
228 if (msg[0].len < 1) {
229 ret = -EOPNOTSUPP;
230 goto err_mutex_unlock;
231 }
232 /* method 1 - integrated demod */
233 if (msg[0].buf[0] == 0x00) {
234 if (msg[0].len < 2) {
235 ret = -EOPNOTSUPP;
236 goto err_mutex_unlock;
237 }
238 /* save demod page for later demod access */
239 dev->page = msg[0].buf[1];
240 ret = 0;
241 } else {
242 req.value = (msg[0].buf[0] << 8) |
243 (msg[0].addr << 1);
244 req.index = CMD_DEMOD_WR | dev->page;
245 req.size = msg[0].len-1;
246 req.data = &msg[0].buf[1];
247 ret = rtl28xxu_ctrl_msg(d, &req);
248 }
249 } else if ((msg[0].len < 23) && (!dev->new_i2c_write)) {
250 if (msg[0].len < 1) {
251 ret = -EOPNOTSUPP;
252 goto err_mutex_unlock;
253 }
254 /* method 2 - old I2C */
255 req.value = (msg[0].buf[0] << 8) | (msg[0].addr << 1);
256 req.index = CMD_I2C_WR;
257 req.size = msg[0].len-1;
258 req.data = &msg[0].buf[1];
259 ret = rtl28xxu_ctrl_msg(d, &req);
260 } else {
261 /* method 3 - new I2C */
262 req.value = (msg[0].addr << 1);
263 req.index = CMD_I2C_DA_WR;
264 req.size = msg[0].len;
265 req.data = msg[0].buf;
266 ret = rtl28xxu_ctrl_msg(d, &req);
267 }
268 } else if (num == 1 && (msg[0].flags & I2C_M_RD)) {
269 req.value = (msg[0].addr << 1);
270 req.index = CMD_I2C_DA_RD;
271 req.size = msg[0].len;
272 req.data = msg[0].buf;
273 ret = rtl28xxu_ctrl_msg(d, &req);
274 } else {
275 ret = -EOPNOTSUPP;
276 }
277
278 /* Retry failed I2C messages */
279 if (ret == -EPIPE)
280 ret = -EAGAIN;
281
282 err_mutex_unlock:
283 mutex_unlock(&d->i2c_mutex);
284
285 return ret ? ret : num;
286 }
287
rtl28xxu_i2c_func(struct i2c_adapter *adapter)288 static u32 rtl28xxu_i2c_func(struct i2c_adapter *adapter)
289 {
290 return I2C_FUNC_I2C;
291 }
292
293 static struct i2c_algorithm rtl28xxu_i2c_algo = {
294 .master_xfer = rtl28xxu_i2c_xfer,
295 .functionality = rtl28xxu_i2c_func,
296 };
297
rtl2831u_read_config(struct dvb_usb_device *d)298 static int rtl2831u_read_config(struct dvb_usb_device *d)
299 {
300 struct rtl28xxu_dev *dev = d_to_priv(d);
301 int ret;
302 u8 buf[1];
303 /* open RTL2831U/RTL2830 I2C gate */
304 struct rtl28xxu_req req_gate_open = {0x0120, 0x0011, 0x0001, "\x08"};
305 /* tuner probes */
306 struct rtl28xxu_req req_mt2060 = {0x00c0, CMD_I2C_RD, 1, buf};
307 struct rtl28xxu_req req_qt1010 = {0x0fc4, CMD_I2C_RD, 1, buf};
308
309 dev_dbg(&d->intf->dev, "\n");
310
311 /*
312 * RTL2831U GPIOs
313 * =========================================================
314 * GPIO0 | tuner#0 | 0 off | 1 on | MXL5005S (?)
315 * GPIO2 | LED | 0 off | 1 on |
316 * GPIO4 | tuner#1 | 0 on | 1 off | MT2060
317 */
318
319 /* GPIO direction */
320 ret = rtl28xxu_wr_reg(d, SYS_GPIO_DIR, 0x0a);
321 if (ret)
322 goto err;
323
324 /* enable as output GPIO0, GPIO2, GPIO4 */
325 ret = rtl28xxu_wr_reg(d, SYS_GPIO_OUT_EN, 0x15);
326 if (ret)
327 goto err;
328
329 /*
330 * Probe used tuner. We need to know used tuner before demod attach
331 * since there is some demod params needed to set according to tuner.
332 */
333
334 /* demod needs some time to wake up */
335 msleep(20);
336
337 dev->tuner_name = "NONE";
338
339 /* open demod I2C gate */
340 ret = rtl28xxu_ctrl_msg(d, &req_gate_open);
341 if (ret)
342 goto err;
343
344 /* check QT1010 ID(?) register; reg=0f val=2c */
345 ret = rtl28xxu_ctrl_msg(d, &req_qt1010);
346 if (ret == 0 && buf[0] == 0x2c) {
347 dev->tuner = TUNER_RTL2830_QT1010;
348 dev->tuner_name = "QT1010";
349 goto found;
350 }
351
352 /* open demod I2C gate */
353 ret = rtl28xxu_ctrl_msg(d, &req_gate_open);
354 if (ret)
355 goto err;
356
357 /* check MT2060 ID register; reg=00 val=63 */
358 ret = rtl28xxu_ctrl_msg(d, &req_mt2060);
359 if (ret == 0 && buf[0] == 0x63) {
360 dev->tuner = TUNER_RTL2830_MT2060;
361 dev->tuner_name = "MT2060";
362 goto found;
363 }
364
365 /* assume MXL5005S */
366 dev->tuner = TUNER_RTL2830_MXL5005S;
367 dev->tuner_name = "MXL5005S";
368 goto found;
369
370 found:
371 dev_dbg(&d->intf->dev, "tuner=%s\n", dev->tuner_name);
372
373 return 0;
374 err:
375 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
376 return ret;
377 }
378
rtl2832u_read_config(struct dvb_usb_device *d)379 static int rtl2832u_read_config(struct dvb_usb_device *d)
380 {
381 struct rtl28xxu_dev *dev = d_to_priv(d);
382 int ret;
383 u8 buf[2];
384 /* open RTL2832U/RTL2832 I2C gate */
385 struct rtl28xxu_req req_gate_open = {0x0120, 0x0011, 0x0001, "\x18"};
386 /* close RTL2832U/RTL2832 I2C gate */
387 struct rtl28xxu_req req_gate_close = {0x0120, 0x0011, 0x0001, "\x10"};
388 /* tuner probes */
389 struct rtl28xxu_req req_fc0012 = {0x00c6, CMD_I2C_RD, 1, buf};
390 struct rtl28xxu_req req_fc0013 = {0x00c6, CMD_I2C_RD, 1, buf};
391 struct rtl28xxu_req req_mt2266 = {0x00c0, CMD_I2C_RD, 1, buf};
392 struct rtl28xxu_req req_fc2580 = {0x01ac, CMD_I2C_RD, 1, buf};
393 struct rtl28xxu_req req_mt2063 = {0x00c0, CMD_I2C_RD, 1, buf};
394 struct rtl28xxu_req req_max3543 = {0x00c0, CMD_I2C_RD, 1, buf};
395 struct rtl28xxu_req req_tua9001 = {0x7ec0, CMD_I2C_RD, 2, buf};
396 struct rtl28xxu_req req_mxl5007t = {0xd9c0, CMD_I2C_RD, 1, buf};
397 struct rtl28xxu_req req_e4000 = {0x02c8, CMD_I2C_RD, 1, buf};
398 struct rtl28xxu_req req_tda18272 = {0x00c0, CMD_I2C_RD, 2, buf};
399 struct rtl28xxu_req req_r820t = {0x0034, CMD_I2C_RD, 1, buf};
400 struct rtl28xxu_req req_r828d = {0x0074, CMD_I2C_RD, 1, buf};
401 struct rtl28xxu_req req_mn88472 = {0xff38, CMD_I2C_RD, 1, buf};
402 struct rtl28xxu_req req_mn88473 = {0xff38, CMD_I2C_RD, 1, buf};
403 struct rtl28xxu_req req_cxd2837er = {0xfdd8, CMD_I2C_RD, 1, buf};
404 struct rtl28xxu_req req_si2157 = {0x00c0, CMD_I2C_RD, 1, buf};
405 struct rtl28xxu_req req_si2168 = {0x00c8, CMD_I2C_RD, 1, buf};
406
407 dev_dbg(&d->intf->dev, "\n");
408
409 /* enable GPIO3 and GPIO6 as output */
410 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_DIR, 0x00, 0x40);
411 if (ret)
412 goto err;
413
414 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x48, 0x48);
415 if (ret)
416 goto err;
417
418 /*
419 * Probe used tuner. We need to know used tuner before demod attach
420 * since there is some demod params needed to set according to tuner.
421 */
422
423 /* open demod I2C gate */
424 ret = rtl28xxu_ctrl_msg(d, &req_gate_open);
425 if (ret)
426 goto err;
427
428 dev->tuner_name = "NONE";
429
430 /* check FC0012 ID register; reg=00 val=a1 */
431 ret = rtl28xxu_ctrl_msg(d, &req_fc0012);
432 if (ret == 0 && buf[0] == 0xa1) {
433 dev->tuner = TUNER_RTL2832_FC0012;
434 dev->tuner_name = "FC0012";
435 goto tuner_found;
436 }
437
438 /* check FC0013 ID register; reg=00 val=a3 */
439 ret = rtl28xxu_ctrl_msg(d, &req_fc0013);
440 if (ret == 0 && buf[0] == 0xa3) {
441 dev->tuner = TUNER_RTL2832_FC0013;
442 dev->tuner_name = "FC0013";
443 goto tuner_found;
444 }
445
446 /* check MT2266 ID register; reg=00 val=85 */
447 ret = rtl28xxu_ctrl_msg(d, &req_mt2266);
448 if (ret == 0 && buf[0] == 0x85) {
449 dev->tuner = TUNER_RTL2832_MT2266;
450 dev->tuner_name = "MT2266";
451 goto tuner_found;
452 }
453
454 /* check FC2580 ID register; reg=01 val=56 */
455 ret = rtl28xxu_ctrl_msg(d, &req_fc2580);
456 if (ret == 0 && buf[0] == 0x56) {
457 dev->tuner = TUNER_RTL2832_FC2580;
458 dev->tuner_name = "FC2580";
459 goto tuner_found;
460 }
461
462 /* check MT2063 ID register; reg=00 val=9e || 9c */
463 ret = rtl28xxu_ctrl_msg(d, &req_mt2063);
464 if (ret == 0 && (buf[0] == 0x9e || buf[0] == 0x9c)) {
465 dev->tuner = TUNER_RTL2832_MT2063;
466 dev->tuner_name = "MT2063";
467 goto tuner_found;
468 }
469
470 /* check MAX3543 ID register; reg=00 val=38 */
471 ret = rtl28xxu_ctrl_msg(d, &req_max3543);
472 if (ret == 0 && buf[0] == 0x38) {
473 dev->tuner = TUNER_RTL2832_MAX3543;
474 dev->tuner_name = "MAX3543";
475 goto tuner_found;
476 }
477
478 /* check TUA9001 ID register; reg=7e val=2328 */
479 ret = rtl28xxu_ctrl_msg(d, &req_tua9001);
480 if (ret == 0 && buf[0] == 0x23 && buf[1] == 0x28) {
481 dev->tuner = TUNER_RTL2832_TUA9001;
482 dev->tuner_name = "TUA9001";
483 goto tuner_found;
484 }
485
486 /* check MXL5007R ID register; reg=d9 val=14 */
487 ret = rtl28xxu_ctrl_msg(d, &req_mxl5007t);
488 if (ret == 0 && buf[0] == 0x14) {
489 dev->tuner = TUNER_RTL2832_MXL5007T;
490 dev->tuner_name = "MXL5007T";
491 goto tuner_found;
492 }
493
494 /* check E4000 ID register; reg=02 val=40 */
495 ret = rtl28xxu_ctrl_msg(d, &req_e4000);
496 if (ret == 0 && buf[0] == 0x40) {
497 dev->tuner = TUNER_RTL2832_E4000;
498 dev->tuner_name = "E4000";
499 goto tuner_found;
500 }
501
502 /* check TDA18272 ID register; reg=00 val=c760 */
503 ret = rtl28xxu_ctrl_msg(d, &req_tda18272);
504 if (ret == 0 && (buf[0] == 0xc7 || buf[1] == 0x60)) {
505 dev->tuner = TUNER_RTL2832_TDA18272;
506 dev->tuner_name = "TDA18272";
507 goto tuner_found;
508 }
509
510 /* check R820T ID register; reg=00 val=69 */
511 ret = rtl28xxu_ctrl_msg(d, &req_r820t);
512 if (ret == 0 && buf[0] == 0x69) {
513 dev->tuner = TUNER_RTL2832_R820T;
514 dev->tuner_name = "R820T";
515 goto tuner_found;
516 }
517
518 /* check R828D ID register; reg=00 val=69 */
519 ret = rtl28xxu_ctrl_msg(d, &req_r828d);
520 if (ret == 0 && buf[0] == 0x69) {
521 dev->tuner = TUNER_RTL2832_R828D;
522 dev->tuner_name = "R828D";
523 goto tuner_found;
524 }
525
526 /* GPIO0 and GPIO5 to reset Si2157/Si2168 tuner and demod */
527 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x00, 0x21);
528 if (ret)
529 goto err;
530
531 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x00, 0x21);
532 if (ret)
533 goto err;
534
535 msleep(50);
536
537 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x21, 0x21);
538 if (ret)
539 goto err;
540
541 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x21, 0x21);
542 if (ret)
543 goto err;
544
545 msleep(50);
546
547 /* check Si2157 ID register; reg=c0 val=80 */
548 ret = rtl28xxu_ctrl_msg(d, &req_si2157);
549 if (ret == 0 && ((buf[0] & 0x80) == 0x80)) {
550 dev->tuner = TUNER_RTL2832_SI2157;
551 dev->tuner_name = "SI2157";
552 goto tuner_found;
553 }
554
555 tuner_found:
556 dev_dbg(&d->intf->dev, "tuner=%s\n", dev->tuner_name);
557
558 /* probe slave demod */
559 if (dev->tuner == TUNER_RTL2832_R828D) {
560 /* power off slave demod on GPIO0 to reset CXD2837ER */
561 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x00, 0x01);
562 if (ret)
563 goto err;
564
565 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x00, 0x01);
566 if (ret)
567 goto err;
568
569 msleep(50);
570
571 /* power on slave demod on GPIO0 */
572 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x01, 0x01);
573 if (ret)
574 goto err;
575
576 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_DIR, 0x00, 0x01);
577 if (ret)
578 goto err;
579
580 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x01, 0x01);
581 if (ret)
582 goto err;
583
584 /* slave demod needs some time to wake up */
585 msleep(20);
586
587 /* check slave answers */
588 ret = rtl28xxu_ctrl_msg(d, &req_mn88472);
589 if (ret == 0 && buf[0] == 0x02) {
590 dev_dbg(&d->intf->dev, "MN88472 found\n");
591 dev->slave_demod = SLAVE_DEMOD_MN88472;
592 goto demod_found;
593 }
594
595 ret = rtl28xxu_ctrl_msg(d, &req_mn88473);
596 if (ret == 0 && buf[0] == 0x03) {
597 dev_dbg(&d->intf->dev, "MN88473 found\n");
598 dev->slave_demod = SLAVE_DEMOD_MN88473;
599 goto demod_found;
600 }
601
602 ret = rtl28xxu_ctrl_msg(d, &req_cxd2837er);
603 if (ret == 0 && buf[0] == 0xb1) {
604 dev_dbg(&d->intf->dev, "CXD2837ER found\n");
605 dev->slave_demod = SLAVE_DEMOD_CXD2837ER;
606 goto demod_found;
607 }
608 }
609 if (dev->tuner == TUNER_RTL2832_SI2157) {
610 /* check Si2168 ID register; reg=c8 val=80 */
611 ret = rtl28xxu_ctrl_msg(d, &req_si2168);
612 if (ret == 0 && ((buf[0] & 0x80) == 0x80)) {
613 dev_dbg(&d->intf->dev, "Si2168 found\n");
614 dev->slave_demod = SLAVE_DEMOD_SI2168;
615 goto demod_found;
616 }
617 }
618
619 demod_found:
620 /* close demod I2C gate */
621 ret = rtl28xxu_ctrl_msg(d, &req_gate_close);
622 if (ret < 0)
623 goto err;
624
625 return 0;
626 err:
627 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
628 return ret;
629 }
630
rtl28xxu_read_config(struct dvb_usb_device *d)631 static int rtl28xxu_read_config(struct dvb_usb_device *d)
632 {
633 struct rtl28xxu_dev *dev = d_to_priv(d);
634
635 if (dev->chip_id == CHIP_ID_RTL2831U)
636 return rtl2831u_read_config(d);
637 else
638 return rtl2832u_read_config(d);
639 }
640
rtl28xxu_identify_state(struct dvb_usb_device *d, const char **name)641 static int rtl28xxu_identify_state(struct dvb_usb_device *d, const char **name)
642 {
643 struct rtl28xxu_dev *dev = d_to_priv(d);
644 int ret;
645 struct rtl28xxu_req req_demod_i2c = {0x0020, CMD_I2C_DA_RD, 0, NULL};
646
647 dev_dbg(&d->intf->dev, "\n");
648
649 /*
650 * Detect chip type using I2C command that is not supported
651 * by old RTL2831U.
652 */
653 ret = rtl28xxu_ctrl_msg(d, &req_demod_i2c);
654 if (ret == -EPIPE) {
655 dev->chip_id = CHIP_ID_RTL2831U;
656 } else if (ret == 0) {
657 dev->chip_id = CHIP_ID_RTL2832U;
658 } else {
659 dev_err(&d->intf->dev, "chip type detection failed %d\n", ret);
660 goto err;
661 }
662 dev_dbg(&d->intf->dev, "chip_id=%u\n", dev->chip_id);
663
664 /* Retry failed I2C messages */
665 d->i2c_adap.retries = 3;
666 d->i2c_adap.timeout = msecs_to_jiffies(10);
667
668 return WARM;
669 err:
670 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
671 return ret;
672 }
673
674 static const struct rtl2830_platform_data rtl2830_mt2060_platform_data = {
675 .clk = 28800000,
676 .spec_inv = 1,
677 .vtop = 0x20,
678 .krf = 0x04,
679 .agc_targ_val = 0x2d,
680
681 };
682
683 static const struct rtl2830_platform_data rtl2830_qt1010_platform_data = {
684 .clk = 28800000,
685 .spec_inv = 1,
686 .vtop = 0x20,
687 .krf = 0x04,
688 .agc_targ_val = 0x2d,
689 };
690
691 static const struct rtl2830_platform_data rtl2830_mxl5005s_platform_data = {
692 .clk = 28800000,
693 .spec_inv = 0,
694 .vtop = 0x3f,
695 .krf = 0x04,
696 .agc_targ_val = 0x3e,
697 };
698
rtl2831u_frontend_attach(struct dvb_usb_adapter *adap)699 static int rtl2831u_frontend_attach(struct dvb_usb_adapter *adap)
700 {
701 struct dvb_usb_device *d = adap_to_d(adap);
702 struct rtl28xxu_dev *dev = d_to_priv(d);
703 struct rtl2830_platform_data *pdata = &dev->rtl2830_platform_data;
704 struct i2c_board_info board_info;
705 struct i2c_client *client;
706 int ret;
707
708 dev_dbg(&d->intf->dev, "\n");
709
710 switch (dev->tuner) {
711 case TUNER_RTL2830_QT1010:
712 *pdata = rtl2830_qt1010_platform_data;
713 break;
714 case TUNER_RTL2830_MT2060:
715 *pdata = rtl2830_mt2060_platform_data;
716 break;
717 case TUNER_RTL2830_MXL5005S:
718 *pdata = rtl2830_mxl5005s_platform_data;
719 break;
720 default:
721 dev_err(&d->intf->dev, "unknown tuner %s\n", dev->tuner_name);
722 ret = -ENODEV;
723 goto err;
724 }
725
726 /* attach demodulator */
727 memset(&board_info, 0, sizeof(board_info));
728 strscpy(board_info.type, "rtl2830", I2C_NAME_SIZE);
729 board_info.addr = 0x10;
730 board_info.platform_data = pdata;
731 request_module("%s", board_info.type);
732 client = i2c_new_client_device(&d->i2c_adap, &board_info);
733 if (!i2c_client_has_driver(client)) {
734 ret = -ENODEV;
735 goto err;
736 }
737
738 if (!try_module_get(client->dev.driver->owner)) {
739 i2c_unregister_device(client);
740 ret = -ENODEV;
741 goto err;
742 }
743
744 adap->fe[0] = pdata->get_dvb_frontend(client);
745 dev->demod_i2c_adapter = pdata->get_i2c_adapter(client);
746
747 dev->i2c_client_demod = client;
748
749 return 0;
750 err:
751 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
752 return ret;
753 }
754
755 static const struct rtl2832_platform_data rtl2832_fc2580_platform_data = {
756 .clk = 28800000,
757 .tuner = TUNER_RTL2832_FC2580,
758 };
759
760 static const struct rtl2832_platform_data rtl2832_fc0012_platform_data = {
761 .clk = 28800000,
762 .tuner = TUNER_RTL2832_FC0012
763 };
764
765 static const struct rtl2832_platform_data rtl2832_fc0013_platform_data = {
766 .clk = 28800000,
767 .tuner = TUNER_RTL2832_FC0013
768 };
769
770 static const struct rtl2832_platform_data rtl2832_tua9001_platform_data = {
771 .clk = 28800000,
772 .tuner = TUNER_RTL2832_TUA9001,
773 };
774
775 static const struct rtl2832_platform_data rtl2832_e4000_platform_data = {
776 .clk = 28800000,
777 .tuner = TUNER_RTL2832_E4000,
778 };
779
780 static const struct rtl2832_platform_data rtl2832_r820t_platform_data = {
781 .clk = 28800000,
782 .tuner = TUNER_RTL2832_R820T,
783 };
784
785 static const struct rtl2832_platform_data rtl2832_si2157_platform_data = {
786 .clk = 28800000,
787 .tuner = TUNER_RTL2832_SI2157,
788 };
789
rtl2832u_fc0012_tuner_callback(struct dvb_usb_device *d, int cmd, int arg)790 static int rtl2832u_fc0012_tuner_callback(struct dvb_usb_device *d,
791 int cmd, int arg)
792 {
793 int ret;
794 u8 val;
795
796 dev_dbg(&d->intf->dev, "cmd=%d arg=%d\n", cmd, arg);
797
798 switch (cmd) {
799 case FC_FE_CALLBACK_VHF_ENABLE:
800 /* set output values */
801 ret = rtl28xxu_rd_reg(d, SYS_GPIO_OUT_VAL, &val);
802 if (ret)
803 goto err;
804
805 if (arg)
806 val &= 0xbf; /* set GPIO6 low */
807 else
808 val |= 0x40; /* set GPIO6 high */
809
810
811 ret = rtl28xxu_wr_reg(d, SYS_GPIO_OUT_VAL, val);
812 if (ret)
813 goto err;
814 break;
815 default:
816 ret = -EINVAL;
817 goto err;
818 }
819 return 0;
820 err:
821 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
822 return ret;
823 }
824
rtl2832u_tua9001_tuner_callback(struct dvb_usb_device *d, int cmd, int arg)825 static int rtl2832u_tua9001_tuner_callback(struct dvb_usb_device *d,
826 int cmd, int arg)
827 {
828 int ret;
829 u8 val;
830
831 dev_dbg(&d->intf->dev, "cmd=%d arg=%d\n", cmd, arg);
832
833 /*
834 * CEN always enabled by hardware wiring
835 * RESETN GPIO4
836 * RXEN GPIO1
837 */
838
839 switch (cmd) {
840 case TUA9001_CMD_RESETN:
841 if (arg)
842 val = (1 << 4);
843 else
844 val = (0 << 4);
845
846 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, val, 0x10);
847 if (ret)
848 goto err;
849 break;
850 case TUA9001_CMD_RXEN:
851 if (arg)
852 val = (1 << 1);
853 else
854 val = (0 << 1);
855
856 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, val, 0x02);
857 if (ret)
858 goto err;
859 break;
860 }
861
862 return 0;
863 err:
864 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
865 return ret;
866 }
867
rtl2832u_frontend_callback(void *adapter_priv, int component, int cmd, int arg)868 static int rtl2832u_frontend_callback(void *adapter_priv, int component,
869 int cmd, int arg)
870 {
871 struct i2c_adapter *adapter = adapter_priv;
872 struct device *parent = adapter->dev.parent;
873 struct i2c_adapter *parent_adapter;
874 struct dvb_usb_device *d;
875 struct rtl28xxu_dev *dev;
876
877 /*
878 * All tuners are connected to demod muxed I2C adapter. We have to
879 * resolve its parent adapter in order to get handle for this driver
880 * private data. That is a bit hackish solution, GPIO or direct driver
881 * callback would be better...
882 */
883 if (parent != NULL && parent->type == &i2c_adapter_type)
884 parent_adapter = to_i2c_adapter(parent);
885 else
886 return -EINVAL;
887
888 d = i2c_get_adapdata(parent_adapter);
889 dev = d->priv;
890
891 dev_dbg(&d->intf->dev, "component=%d cmd=%d arg=%d\n",
892 component, cmd, arg);
893
894 switch (component) {
895 case DVB_FRONTEND_COMPONENT_TUNER:
896 switch (dev->tuner) {
897 case TUNER_RTL2832_FC0012:
898 return rtl2832u_fc0012_tuner_callback(d, cmd, arg);
899 case TUNER_RTL2832_TUA9001:
900 return rtl2832u_tua9001_tuner_callback(d, cmd, arg);
901 }
902 }
903
904 return 0;
905 }
906
rtl2832u_frontend_attach(struct dvb_usb_adapter *adap)907 static int rtl2832u_frontend_attach(struct dvb_usb_adapter *adap)
908 {
909 struct dvb_usb_device *d = adap_to_d(adap);
910 struct rtl28xxu_dev *dev = d_to_priv(d);
911 struct rtl2832_platform_data *pdata = &dev->rtl2832_platform_data;
912 struct i2c_board_info board_info;
913 struct i2c_client *client;
914 int ret;
915
916 dev_dbg(&d->intf->dev, "\n");
917
918 switch (dev->tuner) {
919 case TUNER_RTL2832_FC0012:
920 *pdata = rtl2832_fc0012_platform_data;
921 break;
922 case TUNER_RTL2832_FC0013:
923 *pdata = rtl2832_fc0013_platform_data;
924 break;
925 case TUNER_RTL2832_FC2580:
926 *pdata = rtl2832_fc2580_platform_data;
927 break;
928 case TUNER_RTL2832_TUA9001:
929 *pdata = rtl2832_tua9001_platform_data;
930 break;
931 case TUNER_RTL2832_E4000:
932 *pdata = rtl2832_e4000_platform_data;
933 break;
934 case TUNER_RTL2832_R820T:
935 case TUNER_RTL2832_R828D:
936 *pdata = rtl2832_r820t_platform_data;
937 break;
938 case TUNER_RTL2832_SI2157:
939 *pdata = rtl2832_si2157_platform_data;
940 break;
941 default:
942 dev_err(&d->intf->dev, "unknown tuner %s\n", dev->tuner_name);
943 ret = -ENODEV;
944 goto err;
945 }
946
947 /* attach demodulator */
948 memset(&board_info, 0, sizeof(board_info));
949 strscpy(board_info.type, "rtl2832", I2C_NAME_SIZE);
950 board_info.addr = 0x10;
951 board_info.platform_data = pdata;
952 request_module("%s", board_info.type);
953 client = i2c_new_client_device(&d->i2c_adap, &board_info);
954 if (!i2c_client_has_driver(client)) {
955 ret = -ENODEV;
956 goto err;
957 }
958
959 if (!try_module_get(client->dev.driver->owner)) {
960 i2c_unregister_device(client);
961 ret = -ENODEV;
962 goto err;
963 }
964
965 adap->fe[0] = pdata->get_dvb_frontend(client);
966 dev->demod_i2c_adapter = pdata->get_i2c_adapter(client);
967
968 dev->i2c_client_demod = client;
969
970 /* set fe callback */
971 adap->fe[0]->callback = rtl2832u_frontend_callback;
972
973 if (dev->slave_demod) {
974 struct i2c_board_info info = {};
975
976 /*
977 * We continue on reduced mode, without DVB-T2/C, using master
978 * demod, when slave demod fails.
979 */
980 ret = 0;
981
982 /* attach slave demodulator */
983 if (dev->slave_demod == SLAVE_DEMOD_MN88472) {
984 struct mn88472_config mn88472_config = {};
985
986 mn88472_config.fe = &adap->fe[1];
987 mn88472_config.i2c_wr_max = 22,
988 strscpy(info.type, "mn88472", I2C_NAME_SIZE);
989 mn88472_config.xtal = 20500000;
990 mn88472_config.ts_mode = SERIAL_TS_MODE;
991 mn88472_config.ts_clock = VARIABLE_TS_CLOCK;
992 info.addr = 0x18;
993 info.platform_data = &mn88472_config;
994 request_module(info.type);
995 client = i2c_new_client_device(&d->i2c_adap, &info);
996 if (!i2c_client_has_driver(client)) {
997 dev->slave_demod = SLAVE_DEMOD_NONE;
998 goto err_slave_demod_failed;
999 }
1000
1001 if (!try_module_get(client->dev.driver->owner)) {
1002 i2c_unregister_device(client);
1003 dev->slave_demod = SLAVE_DEMOD_NONE;
1004 goto err_slave_demod_failed;
1005 }
1006
1007 dev->i2c_client_slave_demod = client;
1008 } else if (dev->slave_demod == SLAVE_DEMOD_MN88473) {
1009 struct mn88473_config mn88473_config = {};
1010
1011 mn88473_config.fe = &adap->fe[1];
1012 mn88473_config.i2c_wr_max = 22,
1013 strscpy(info.type, "mn88473", I2C_NAME_SIZE);
1014 info.addr = 0x18;
1015 info.platform_data = &mn88473_config;
1016 request_module(info.type);
1017 client = i2c_new_client_device(&d->i2c_adap, &info);
1018 if (!i2c_client_has_driver(client)) {
1019 dev->slave_demod = SLAVE_DEMOD_NONE;
1020 goto err_slave_demod_failed;
1021 }
1022
1023 if (!try_module_get(client->dev.driver->owner)) {
1024 i2c_unregister_device(client);
1025 dev->slave_demod = SLAVE_DEMOD_NONE;
1026 goto err_slave_demod_failed;
1027 }
1028
1029 dev->i2c_client_slave_demod = client;
1030 } else if (dev->slave_demod == SLAVE_DEMOD_CXD2837ER) {
1031 struct cxd2841er_config cxd2837er_config = {};
1032
1033 cxd2837er_config.i2c_addr = 0xd8;
1034 cxd2837er_config.xtal = SONY_XTAL_20500;
1035 cxd2837er_config.flags = (CXD2841ER_AUTO_IFHZ |
1036 CXD2841ER_NO_AGCNEG | CXD2841ER_TSBITS |
1037 CXD2841ER_EARLY_TUNE | CXD2841ER_TS_SERIAL);
1038 adap->fe[1] = dvb_attach(cxd2841er_attach_t_c,
1039 &cxd2837er_config,
1040 &d->i2c_adap);
1041 if (!adap->fe[1]) {
1042 dev->slave_demod = SLAVE_DEMOD_NONE;
1043 goto err_slave_demod_failed;
1044 }
1045 adap->fe[1]->id = 1;
1046 dev->i2c_client_slave_demod = NULL;
1047 } else {
1048 struct si2168_config si2168_config = {};
1049 struct i2c_adapter *adapter;
1050
1051 si2168_config.i2c_adapter = &adapter;
1052 si2168_config.fe = &adap->fe[1];
1053 si2168_config.ts_mode = SI2168_TS_SERIAL;
1054 si2168_config.ts_clock_inv = false;
1055 si2168_config.ts_clock_gapped = true;
1056 strscpy(info.type, "si2168", I2C_NAME_SIZE);
1057 info.addr = 0x64;
1058 info.platform_data = &si2168_config;
1059 request_module(info.type);
1060 client = i2c_new_client_device(&d->i2c_adap, &info);
1061 if (!i2c_client_has_driver(client)) {
1062 dev->slave_demod = SLAVE_DEMOD_NONE;
1063 goto err_slave_demod_failed;
1064 }
1065
1066 if (!try_module_get(client->dev.driver->owner)) {
1067 i2c_unregister_device(client);
1068 dev->slave_demod = SLAVE_DEMOD_NONE;
1069 goto err_slave_demod_failed;
1070 }
1071
1072 dev->i2c_client_slave_demod = client;
1073
1074 /* for Si2168 devices use only new I2C write method */
1075 dev->new_i2c_write = true;
1076 }
1077 }
1078 return 0;
1079 err_slave_demod_failed:
1080 err:
1081 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1082 return ret;
1083 }
1084
rtl28xxu_frontend_attach(struct dvb_usb_adapter *adap)1085 static int rtl28xxu_frontend_attach(struct dvb_usb_adapter *adap)
1086 {
1087 struct rtl28xxu_dev *dev = adap_to_priv(adap);
1088
1089 if (dev->chip_id == CHIP_ID_RTL2831U)
1090 return rtl2831u_frontend_attach(adap);
1091 else
1092 return rtl2832u_frontend_attach(adap);
1093 }
1094
rtl28xxu_frontend_detach(struct dvb_usb_adapter *adap)1095 static int rtl28xxu_frontend_detach(struct dvb_usb_adapter *adap)
1096 {
1097 struct dvb_usb_device *d = adap_to_d(adap);
1098 struct rtl28xxu_dev *dev = d_to_priv(d);
1099 struct i2c_client *client;
1100
1101 dev_dbg(&d->intf->dev, "\n");
1102
1103 /* remove I2C slave demod */
1104 client = dev->i2c_client_slave_demod;
1105 if (client) {
1106 module_put(client->dev.driver->owner);
1107 i2c_unregister_device(client);
1108 }
1109
1110 /* remove I2C demod */
1111 client = dev->i2c_client_demod;
1112 if (client) {
1113 module_put(client->dev.driver->owner);
1114 i2c_unregister_device(client);
1115 }
1116
1117 return 0;
1118 }
1119
1120 static struct qt1010_config rtl28xxu_qt1010_config = {
1121 .i2c_address = 0x62, /* 0xc4 */
1122 };
1123
1124 static struct mt2060_config rtl28xxu_mt2060_config = {
1125 .i2c_address = 0x60, /* 0xc0 */
1126 .clock_out = 0,
1127 };
1128
1129 static struct mxl5005s_config rtl28xxu_mxl5005s_config = {
1130 .i2c_address = 0x63, /* 0xc6 */
1131 .if_freq = IF_FREQ_4570000HZ,
1132 .xtal_freq = CRYSTAL_FREQ_16000000HZ,
1133 .agc_mode = MXL_SINGLE_AGC,
1134 .tracking_filter = MXL_TF_C_H,
1135 .rssi_enable = MXL_RSSI_ENABLE,
1136 .cap_select = MXL_CAP_SEL_ENABLE,
1137 .div_out = MXL_DIV_OUT_4,
1138 .clock_out = MXL_CLOCK_OUT_DISABLE,
1139 .output_load = MXL5005S_IF_OUTPUT_LOAD_200_OHM,
1140 .top = MXL5005S_TOP_25P2,
1141 .mod_mode = MXL_DIGITAL_MODE,
1142 .if_mode = MXL_ZERO_IF,
1143 .AgcMasterByte = 0x00,
1144 };
1145
rtl2831u_tuner_attach(struct dvb_usb_adapter *adap)1146 static int rtl2831u_tuner_attach(struct dvb_usb_adapter *adap)
1147 {
1148 int ret;
1149 struct dvb_usb_device *d = adap_to_d(adap);
1150 struct rtl28xxu_dev *dev = d_to_priv(d);
1151 struct dvb_frontend *fe;
1152
1153 dev_dbg(&d->intf->dev, "\n");
1154
1155 switch (dev->tuner) {
1156 case TUNER_RTL2830_QT1010:
1157 fe = dvb_attach(qt1010_attach, adap->fe[0],
1158 dev->demod_i2c_adapter,
1159 &rtl28xxu_qt1010_config);
1160 break;
1161 case TUNER_RTL2830_MT2060:
1162 fe = dvb_attach(mt2060_attach, adap->fe[0],
1163 dev->demod_i2c_adapter,
1164 &rtl28xxu_mt2060_config, 1220);
1165 break;
1166 case TUNER_RTL2830_MXL5005S:
1167 fe = dvb_attach(mxl5005s_attach, adap->fe[0],
1168 dev->demod_i2c_adapter,
1169 &rtl28xxu_mxl5005s_config);
1170 break;
1171 default:
1172 fe = NULL;
1173 dev_err(&d->intf->dev, "unknown tuner %d\n", dev->tuner);
1174 }
1175
1176 if (fe == NULL) {
1177 ret = -ENODEV;
1178 goto err;
1179 }
1180
1181 return 0;
1182 err:
1183 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1184 return ret;
1185 }
1186
1187 static const struct fc0012_config rtl2832u_fc0012_config = {
1188 .i2c_address = 0x63, /* 0xc6 >> 1 */
1189 .xtal_freq = FC_XTAL_28_8_MHZ,
1190 };
1191
1192 static const struct r820t_config rtl2832u_r820t_config = {
1193 .i2c_addr = 0x1a,
1194 .xtal = 28800000,
1195 .max_i2c_msg_len = 2,
1196 .rafael_chip = CHIP_R820T,
1197 };
1198
1199 static const struct r820t_config rtl2832u_r828d_config = {
1200 .i2c_addr = 0x3a,
1201 .xtal = 16000000,
1202 .max_i2c_msg_len = 2,
1203 .rafael_chip = CHIP_R828D,
1204 };
1205
rtl2832u_tuner_attach(struct dvb_usb_adapter *adap)1206 static int rtl2832u_tuner_attach(struct dvb_usb_adapter *adap)
1207 {
1208 int ret;
1209 struct dvb_usb_device *d = adap_to_d(adap);
1210 struct rtl28xxu_dev *dev = d_to_priv(d);
1211 struct dvb_frontend *fe = NULL;
1212 struct i2c_board_info info;
1213 struct i2c_client *client;
1214 struct v4l2_subdev *subdev = NULL;
1215 struct platform_device *pdev;
1216 struct rtl2832_sdr_platform_data pdata;
1217
1218 dev_dbg(&d->intf->dev, "\n");
1219
1220 memset(&info, 0, sizeof(struct i2c_board_info));
1221 memset(&pdata, 0, sizeof(pdata));
1222
1223 switch (dev->tuner) {
1224 case TUNER_RTL2832_FC0012:
1225 fe = dvb_attach(fc0012_attach, adap->fe[0],
1226 dev->demod_i2c_adapter, &rtl2832u_fc0012_config);
1227
1228 /* since fc0012 includs reading the signal strength delegate
1229 * that to the tuner driver */
1230 adap->fe[0]->ops.read_signal_strength =
1231 adap->fe[0]->ops.tuner_ops.get_rf_strength;
1232 break;
1233 case TUNER_RTL2832_FC0013:
1234 fe = dvb_attach(fc0013_attach, adap->fe[0],
1235 dev->demod_i2c_adapter, 0xc6>>1, 0, FC_XTAL_28_8_MHZ);
1236
1237 /* fc0013 also supports signal strength reading */
1238 adap->fe[0]->ops.read_signal_strength =
1239 adap->fe[0]->ops.tuner_ops.get_rf_strength;
1240 break;
1241 case TUNER_RTL2832_E4000: {
1242 struct e4000_config e4000_config = {
1243 .fe = adap->fe[0],
1244 .clock = 28800000,
1245 };
1246
1247 strscpy(info.type, "e4000", I2C_NAME_SIZE);
1248 info.addr = 0x64;
1249 info.platform_data = &e4000_config;
1250
1251 request_module(info.type);
1252 client = i2c_new_client_device(dev->demod_i2c_adapter,
1253 &info);
1254 if (!i2c_client_has_driver(client))
1255 break;
1256
1257 if (!try_module_get(client->dev.driver->owner)) {
1258 i2c_unregister_device(client);
1259 break;
1260 }
1261
1262 dev->i2c_client_tuner = client;
1263 subdev = i2c_get_clientdata(client);
1264 }
1265 break;
1266 case TUNER_RTL2832_FC2580: {
1267 struct fc2580_platform_data fc2580_pdata = {
1268 .dvb_frontend = adap->fe[0],
1269 };
1270 struct i2c_board_info board_info = {};
1271
1272 strscpy(board_info.type, "fc2580", I2C_NAME_SIZE);
1273 board_info.addr = 0x56;
1274 board_info.platform_data = &fc2580_pdata;
1275 request_module("fc2580");
1276 client = i2c_new_client_device(dev->demod_i2c_adapter,
1277 &board_info);
1278 if (!i2c_client_has_driver(client))
1279 break;
1280 if (!try_module_get(client->dev.driver->owner)) {
1281 i2c_unregister_device(client);
1282 break;
1283 }
1284 dev->i2c_client_tuner = client;
1285 subdev = fc2580_pdata.get_v4l2_subdev(client);
1286 }
1287 break;
1288 case TUNER_RTL2832_TUA9001: {
1289 struct tua9001_platform_data tua9001_pdata = {
1290 .dvb_frontend = adap->fe[0],
1291 };
1292 struct i2c_board_info board_info = {};
1293
1294 /* enable GPIO1 and GPIO4 as output */
1295 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_DIR, 0x00, 0x12);
1296 if (ret)
1297 goto err;
1298
1299 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x12, 0x12);
1300 if (ret)
1301 goto err;
1302
1303 strscpy(board_info.type, "tua9001", I2C_NAME_SIZE);
1304 board_info.addr = 0x60;
1305 board_info.platform_data = &tua9001_pdata;
1306 request_module("tua9001");
1307 client = i2c_new_client_device(dev->demod_i2c_adapter,
1308 &board_info);
1309 if (!i2c_client_has_driver(client))
1310 break;
1311 if (!try_module_get(client->dev.driver->owner)) {
1312 i2c_unregister_device(client);
1313 break;
1314 }
1315 dev->i2c_client_tuner = client;
1316 break;
1317 }
1318 case TUNER_RTL2832_R820T:
1319 fe = dvb_attach(r820t_attach, adap->fe[0],
1320 dev->demod_i2c_adapter,
1321 &rtl2832u_r820t_config);
1322
1323 /* Use tuner to get the signal strength */
1324 adap->fe[0]->ops.read_signal_strength =
1325 adap->fe[0]->ops.tuner_ops.get_rf_strength;
1326 break;
1327 case TUNER_RTL2832_R828D:
1328 fe = dvb_attach(r820t_attach, adap->fe[0],
1329 dev->demod_i2c_adapter,
1330 &rtl2832u_r828d_config);
1331 adap->fe[0]->ops.read_signal_strength =
1332 adap->fe[0]->ops.tuner_ops.get_rf_strength;
1333
1334 if (adap->fe[1]) {
1335 fe = dvb_attach(r820t_attach, adap->fe[1],
1336 dev->demod_i2c_adapter,
1337 &rtl2832u_r828d_config);
1338 adap->fe[1]->ops.read_signal_strength =
1339 adap->fe[1]->ops.tuner_ops.get_rf_strength;
1340 }
1341 break;
1342 case TUNER_RTL2832_SI2157: {
1343 struct si2157_config si2157_config = {
1344 .fe = adap->fe[0],
1345 .if_port = 0,
1346 .inversion = false,
1347 };
1348
1349 strscpy(info.type, "si2157", I2C_NAME_SIZE);
1350 info.addr = 0x60;
1351 info.platform_data = &si2157_config;
1352 request_module(info.type);
1353 client = i2c_new_client_device(&d->i2c_adap, &info);
1354 if (!i2c_client_has_driver(client))
1355 break;
1356
1357 if (!try_module_get(client->dev.driver->owner)) {
1358 i2c_unregister_device(client);
1359 break;
1360 }
1361
1362 dev->i2c_client_tuner = client;
1363 subdev = i2c_get_clientdata(client);
1364
1365 /* copy tuner ops for 2nd FE as tuner is shared */
1366 if (adap->fe[1]) {
1367 adap->fe[1]->tuner_priv =
1368 adap->fe[0]->tuner_priv;
1369 memcpy(&adap->fe[1]->ops.tuner_ops,
1370 &adap->fe[0]->ops.tuner_ops,
1371 sizeof(struct dvb_tuner_ops));
1372 }
1373 }
1374 break;
1375 default:
1376 dev_err(&d->intf->dev, "unknown tuner %d\n", dev->tuner);
1377 }
1378 if (fe == NULL && dev->i2c_client_tuner == NULL) {
1379 ret = -ENODEV;
1380 goto err;
1381 }
1382
1383 /* register SDR */
1384 switch (dev->tuner) {
1385 case TUNER_RTL2832_FC2580:
1386 case TUNER_RTL2832_FC0012:
1387 case TUNER_RTL2832_FC0013:
1388 case TUNER_RTL2832_E4000:
1389 case TUNER_RTL2832_R820T:
1390 case TUNER_RTL2832_R828D:
1391 pdata.clk = dev->rtl2832_platform_data.clk;
1392 pdata.tuner = dev->tuner;
1393 pdata.regmap = dev->rtl2832_platform_data.regmap;
1394 pdata.dvb_frontend = adap->fe[0];
1395 pdata.dvb_usb_device = d;
1396 pdata.v4l2_subdev = subdev;
1397
1398 request_module("%s", "rtl2832_sdr");
1399 pdev = platform_device_register_data(&d->intf->dev,
1400 "rtl2832_sdr",
1401 PLATFORM_DEVID_AUTO,
1402 &pdata, sizeof(pdata));
1403 if (IS_ERR(pdev) || pdev->dev.driver == NULL)
1404 break;
1405 dev->platform_device_sdr = pdev;
1406 break;
1407 default:
1408 dev_dbg(&d->intf->dev, "no SDR for tuner=%d\n", dev->tuner);
1409 }
1410
1411 return 0;
1412 err:
1413 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1414 return ret;
1415 }
1416
rtl28xxu_tuner_attach(struct dvb_usb_adapter *adap)1417 static int rtl28xxu_tuner_attach(struct dvb_usb_adapter *adap)
1418 {
1419 struct rtl28xxu_dev *dev = adap_to_priv(adap);
1420
1421 if (dev->chip_id == CHIP_ID_RTL2831U)
1422 return rtl2831u_tuner_attach(adap);
1423 else
1424 return rtl2832u_tuner_attach(adap);
1425 }
1426
rtl28xxu_tuner_detach(struct dvb_usb_adapter *adap)1427 static int rtl28xxu_tuner_detach(struct dvb_usb_adapter *adap)
1428 {
1429 struct dvb_usb_device *d = adap_to_d(adap);
1430 struct rtl28xxu_dev *dev = d_to_priv(d);
1431 struct i2c_client *client;
1432 struct platform_device *pdev;
1433
1434 dev_dbg(&d->intf->dev, "\n");
1435
1436 /* remove platform SDR */
1437 pdev = dev->platform_device_sdr;
1438 if (pdev)
1439 platform_device_unregister(pdev);
1440
1441 /* remove I2C tuner */
1442 client = dev->i2c_client_tuner;
1443 if (client) {
1444 module_put(client->dev.driver->owner);
1445 i2c_unregister_device(client);
1446 }
1447
1448 return 0;
1449 }
1450
rtl28xxu_init(struct dvb_usb_device *d)1451 static int rtl28xxu_init(struct dvb_usb_device *d)
1452 {
1453 int ret;
1454 u8 val;
1455
1456 dev_dbg(&d->intf->dev, "\n");
1457
1458 /* init USB endpoints */
1459 ret = rtl28xxu_rd_reg(d, USB_SYSCTL_0, &val);
1460 if (ret)
1461 goto err;
1462
1463 /* enable DMA and Full Packet Mode*/
1464 val |= 0x09;
1465 ret = rtl28xxu_wr_reg(d, USB_SYSCTL_0, val);
1466 if (ret)
1467 goto err;
1468
1469 /* set EPA maximum packet size to 0x0200 */
1470 ret = rtl28xxu_wr_regs(d, USB_EPA_MAXPKT, "\x00\x02\x00\x00", 4);
1471 if (ret)
1472 goto err;
1473
1474 /* change EPA FIFO length */
1475 ret = rtl28xxu_wr_regs(d, USB_EPA_FIFO_CFG, "\x14\x00\x00\x00", 4);
1476 if (ret)
1477 goto err;
1478
1479 return ret;
1480 err:
1481 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1482 return ret;
1483 }
1484
rtl2831u_power_ctrl(struct dvb_usb_device *d, int onoff)1485 static int rtl2831u_power_ctrl(struct dvb_usb_device *d, int onoff)
1486 {
1487 int ret;
1488 u8 gpio, sys0, epa_ctl[2];
1489
1490 dev_dbg(&d->intf->dev, "onoff=%d\n", onoff);
1491
1492 /* demod adc */
1493 ret = rtl28xxu_rd_reg(d, SYS_SYS0, &sys0);
1494 if (ret)
1495 goto err;
1496
1497 /* tuner power, read GPIOs */
1498 ret = rtl28xxu_rd_reg(d, SYS_GPIO_OUT_VAL, &gpio);
1499 if (ret)
1500 goto err;
1501
1502 dev_dbg(&d->intf->dev, "RD SYS0=%02x GPIO_OUT_VAL=%02x\n", sys0, gpio);
1503
1504 if (onoff) {
1505 gpio |= 0x01; /* GPIO0 = 1 */
1506 gpio &= (~0x10); /* GPIO4 = 0 */
1507 gpio |= 0x04; /* GPIO2 = 1, LED on */
1508 sys0 = sys0 & 0x0f;
1509 sys0 |= 0xe0;
1510 epa_ctl[0] = 0x00; /* clear stall */
1511 epa_ctl[1] = 0x00; /* clear reset */
1512 } else {
1513 gpio &= (~0x01); /* GPIO0 = 0 */
1514 gpio |= 0x10; /* GPIO4 = 1 */
1515 gpio &= (~0x04); /* GPIO2 = 1, LED off */
1516 sys0 = sys0 & (~0xc0);
1517 epa_ctl[0] = 0x10; /* set stall */
1518 epa_ctl[1] = 0x02; /* set reset */
1519 }
1520
1521 dev_dbg(&d->intf->dev, "WR SYS0=%02x GPIO_OUT_VAL=%02x\n", sys0, gpio);
1522
1523 /* demod adc */
1524 ret = rtl28xxu_wr_reg(d, SYS_SYS0, sys0);
1525 if (ret)
1526 goto err;
1527
1528 /* tuner power, write GPIOs */
1529 ret = rtl28xxu_wr_reg(d, SYS_GPIO_OUT_VAL, gpio);
1530 if (ret)
1531 goto err;
1532
1533 /* streaming EP: stall & reset */
1534 ret = rtl28xxu_wr_regs(d, USB_EPA_CTL, epa_ctl, 2);
1535 if (ret)
1536 goto err;
1537
1538 if (onoff)
1539 usb_clear_halt(d->udev, usb_rcvbulkpipe(d->udev, 0x81));
1540
1541 return ret;
1542 err:
1543 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1544 return ret;
1545 }
1546
rtl2832u_power_ctrl(struct dvb_usb_device *d, int onoff)1547 static int rtl2832u_power_ctrl(struct dvb_usb_device *d, int onoff)
1548 {
1549 int ret;
1550
1551 dev_dbg(&d->intf->dev, "onoff=%d\n", onoff);
1552
1553 if (onoff) {
1554 /* GPIO3=1, GPIO4=0 */
1555 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x08, 0x18);
1556 if (ret)
1557 goto err;
1558
1559 /* suspend? */
1560 ret = rtl28xxu_wr_reg_mask(d, SYS_DEMOD_CTL1, 0x00, 0x10);
1561 if (ret)
1562 goto err;
1563
1564 /* enable PLL */
1565 ret = rtl28xxu_wr_reg_mask(d, SYS_DEMOD_CTL, 0x80, 0x80);
1566 if (ret)
1567 goto err;
1568
1569 /* disable reset */
1570 ret = rtl28xxu_wr_reg_mask(d, SYS_DEMOD_CTL, 0x20, 0x20);
1571 if (ret)
1572 goto err;
1573
1574 /* streaming EP: clear stall & reset */
1575 ret = rtl28xxu_wr_regs(d, USB_EPA_CTL, "\x00\x00", 2);
1576 if (ret)
1577 goto err;
1578
1579 ret = usb_clear_halt(d->udev, usb_rcvbulkpipe(d->udev, 0x81));
1580 if (ret)
1581 goto err;
1582 } else {
1583 /* GPIO4=1 */
1584 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x10, 0x10);
1585 if (ret)
1586 goto err;
1587
1588 /* disable PLL */
1589 ret = rtl28xxu_wr_reg_mask(d, SYS_DEMOD_CTL, 0x00, 0x80);
1590 if (ret)
1591 goto err;
1592
1593 /* streaming EP: set stall & reset */
1594 ret = rtl28xxu_wr_regs(d, USB_EPA_CTL, "\x10\x02", 2);
1595 if (ret)
1596 goto err;
1597 }
1598
1599 return ret;
1600 err:
1601 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1602 return ret;
1603 }
1604
rtl28xxu_power_ctrl(struct dvb_usb_device *d, int onoff)1605 static int rtl28xxu_power_ctrl(struct dvb_usb_device *d, int onoff)
1606 {
1607 struct rtl28xxu_dev *dev = d_to_priv(d);
1608
1609 if (dev->chip_id == CHIP_ID_RTL2831U)
1610 return rtl2831u_power_ctrl(d, onoff);
1611 else
1612 return rtl2832u_power_ctrl(d, onoff);
1613 }
1614
rtl28xxu_frontend_ctrl(struct dvb_frontend *fe, int onoff)1615 static int rtl28xxu_frontend_ctrl(struct dvb_frontend *fe, int onoff)
1616 {
1617 struct dvb_usb_device *d = fe_to_d(fe);
1618 struct rtl28xxu_dev *dev = fe_to_priv(fe);
1619 struct rtl2832_platform_data *pdata = &dev->rtl2832_platform_data;
1620 int ret;
1621 u8 val;
1622
1623 dev_dbg(&d->intf->dev, "fe=%d onoff=%d\n", fe->id, onoff);
1624
1625 if (dev->chip_id == CHIP_ID_RTL2831U)
1626 return 0;
1627
1628 if (fe->id == 0) {
1629 /* control internal demod ADC */
1630 if (onoff)
1631 val = 0x48; /* enable ADC */
1632 else
1633 val = 0x00; /* disable ADC */
1634
1635 ret = rtl28xxu_wr_reg_mask(d, SYS_DEMOD_CTL, val, 0x48);
1636 if (ret)
1637 goto err;
1638 } else if (fe->id == 1) {
1639 /* bypass slave demod TS through master demod */
1640 ret = pdata->slave_ts_ctrl(dev->i2c_client_demod, onoff);
1641 if (ret)
1642 goto err;
1643 }
1644
1645 return 0;
1646 err:
1647 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1648 return ret;
1649 }
1650
1651 #if IS_ENABLED(CONFIG_RC_CORE)
rtl2831u_rc_query(struct dvb_usb_device *d)1652 static int rtl2831u_rc_query(struct dvb_usb_device *d)
1653 {
1654 int ret, i;
1655 struct rtl28xxu_dev *dev = d->priv;
1656 u8 buf[5];
1657 u32 rc_code;
1658 static const struct rtl28xxu_reg_val rc_nec_tab[] = {
1659 { 0x3033, 0x80 },
1660 { 0x3020, 0x43 },
1661 { 0x3021, 0x16 },
1662 { 0x3022, 0x16 },
1663 { 0x3023, 0x5a },
1664 { 0x3024, 0x2d },
1665 { 0x3025, 0x16 },
1666 { 0x3026, 0x01 },
1667 { 0x3028, 0xb0 },
1668 { 0x3029, 0x04 },
1669 { 0x302c, 0x88 },
1670 { 0x302e, 0x13 },
1671 { 0x3030, 0xdf },
1672 { 0x3031, 0x05 },
1673 };
1674
1675 /* init remote controller */
1676 if (!dev->rc_active) {
1677 for (i = 0; i < ARRAY_SIZE(rc_nec_tab); i++) {
1678 ret = rtl28xxu_wr_reg(d, rc_nec_tab[i].reg,
1679 rc_nec_tab[i].val);
1680 if (ret)
1681 goto err;
1682 }
1683 dev->rc_active = true;
1684 }
1685
1686 ret = rtl28xxu_rd_regs(d, SYS_IRRC_RP, buf, 5);
1687 if (ret)
1688 goto err;
1689
1690 if (buf[4] & 0x01) {
1691 enum rc_proto proto;
1692
1693 if (buf[2] == (u8) ~buf[3]) {
1694 if (buf[0] == (u8) ~buf[1]) {
1695 /* NEC standard (16 bit) */
1696 rc_code = RC_SCANCODE_NEC(buf[0], buf[2]);
1697 proto = RC_PROTO_NEC;
1698 } else {
1699 /* NEC extended (24 bit) */
1700 rc_code = RC_SCANCODE_NECX(buf[0] << 8 | buf[1],
1701 buf[2]);
1702 proto = RC_PROTO_NECX;
1703 }
1704 } else {
1705 /* NEC full (32 bit) */
1706 rc_code = RC_SCANCODE_NEC32(buf[0] << 24 | buf[1] << 16 |
1707 buf[2] << 8 | buf[3]);
1708 proto = RC_PROTO_NEC32;
1709 }
1710
1711 rc_keydown(d->rc_dev, proto, rc_code, 0);
1712
1713 ret = rtl28xxu_wr_reg(d, SYS_IRRC_SR, 1);
1714 if (ret)
1715 goto err;
1716
1717 /* repeated intentionally to avoid extra keypress */
1718 ret = rtl28xxu_wr_reg(d, SYS_IRRC_SR, 1);
1719 if (ret)
1720 goto err;
1721 }
1722
1723 return ret;
1724 err:
1725 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1726 return ret;
1727 }
1728
rtl2831u_get_rc_config(struct dvb_usb_device *d, struct dvb_usb_rc *rc)1729 static int rtl2831u_get_rc_config(struct dvb_usb_device *d,
1730 struct dvb_usb_rc *rc)
1731 {
1732 rc->map_name = RC_MAP_EMPTY;
1733 rc->allowed_protos = RC_PROTO_BIT_NEC | RC_PROTO_BIT_NECX |
1734 RC_PROTO_BIT_NEC32;
1735 rc->query = rtl2831u_rc_query;
1736 rc->interval = 400;
1737
1738 return 0;
1739 }
1740
rtl2832u_rc_query(struct dvb_usb_device *d)1741 static int rtl2832u_rc_query(struct dvb_usb_device *d)
1742 {
1743 int ret, i, len;
1744 struct rtl28xxu_dev *dev = d->priv;
1745 struct ir_raw_event ev = {};
1746 u8 buf[128];
1747 static const struct rtl28xxu_reg_val_mask refresh_tab[] = {
1748 {IR_RX_IF, 0x03, 0xff},
1749 {IR_RX_BUF_CTRL, 0x80, 0xff},
1750 {IR_RX_CTRL, 0x80, 0xff},
1751 };
1752
1753 /* init remote controller */
1754 if (!dev->rc_active) {
1755 static const struct rtl28xxu_reg_val_mask init_tab[] = {
1756 {SYS_DEMOD_CTL1, 0x00, 0x04},
1757 {SYS_DEMOD_CTL1, 0x00, 0x08},
1758 {USB_CTRL, 0x20, 0x20},
1759 {SYS_GPIO_DIR, 0x00, 0x08},
1760 {SYS_GPIO_OUT_EN, 0x08, 0x08},
1761 {SYS_GPIO_OUT_VAL, 0x08, 0x08},
1762 {IR_MAX_DURATION0, 0xd0, 0xff},
1763 {IR_MAX_DURATION1, 0x07, 0xff},
1764 {IR_IDLE_LEN0, 0xc0, 0xff},
1765 {IR_IDLE_LEN1, 0x00, 0xff},
1766 {IR_GLITCH_LEN, 0x03, 0xff},
1767 {IR_RX_CLK, 0x09, 0xff},
1768 {IR_RX_CFG, 0x1c, 0xff},
1769 {IR_MAX_H_TOL_LEN, 0x1e, 0xff},
1770 {IR_MAX_L_TOL_LEN, 0x1e, 0xff},
1771 {IR_RX_CTRL, 0x80, 0xff},
1772 };
1773
1774 for (i = 0; i < ARRAY_SIZE(init_tab); i++) {
1775 ret = rtl28xxu_wr_reg_mask(d, init_tab[i].reg,
1776 init_tab[i].val, init_tab[i].mask);
1777 if (ret)
1778 goto err;
1779 }
1780
1781 dev->rc_active = true;
1782 }
1783
1784 ret = rtl28xxu_rd_reg(d, IR_RX_IF, &buf[0]);
1785 if (ret)
1786 goto err;
1787
1788 if (buf[0] != 0x83)
1789 goto exit;
1790
1791 ret = rtl28xxu_rd_reg(d, IR_RX_BC, &buf[0]);
1792 if (ret || buf[0] > sizeof(buf))
1793 goto err;
1794
1795 len = buf[0];
1796
1797 /* read raw code from hw */
1798 ret = rtl28xxu_rd_regs(d, IR_RX_BUF, buf, len);
1799 if (ret)
1800 goto err;
1801
1802 /* let hw receive new code */
1803 for (i = 0; i < ARRAY_SIZE(refresh_tab); i++) {
1804 ret = rtl28xxu_wr_reg_mask(d, refresh_tab[i].reg,
1805 refresh_tab[i].val, refresh_tab[i].mask);
1806 if (ret)
1807 goto err;
1808 }
1809
1810 /* pass data to Kernel IR decoder */
1811 for (i = 0; i < len; i++) {
1812 ev.pulse = buf[i] >> 7;
1813 ev.duration = 51 * (buf[i] & 0x7f);
1814 ir_raw_event_store_with_filter(d->rc_dev, &ev);
1815 }
1816
1817 /* 'flush' ir_raw_event_store_with_filter() */
1818 ir_raw_event_handle(d->rc_dev);
1819 exit:
1820 return ret;
1821 err:
1822 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1823 return ret;
1824 }
1825
rtl2832u_get_rc_config(struct dvb_usb_device *d, struct dvb_usb_rc *rc)1826 static int rtl2832u_get_rc_config(struct dvb_usb_device *d,
1827 struct dvb_usb_rc *rc)
1828 {
1829 /* disable IR interrupts in order to avoid SDR sample loss */
1830 if (rtl28xxu_disable_rc)
1831 return rtl28xxu_wr_reg(d, IR_RX_IE, 0x00);
1832
1833 /* load empty to enable rc */
1834 if (!rc->map_name)
1835 rc->map_name = RC_MAP_EMPTY;
1836 rc->allowed_protos = RC_PROTO_BIT_ALL_IR_DECODER;
1837 rc->driver_type = RC_DRIVER_IR_RAW;
1838 rc->query = rtl2832u_rc_query;
1839 rc->interval = 200;
1840 /* we program idle len to 0xc0, set timeout to one less */
1841 rc->timeout = 0xbf * 51;
1842
1843 return 0;
1844 }
1845
rtl28xxu_get_rc_config(struct dvb_usb_device *d, struct dvb_usb_rc *rc)1846 static int rtl28xxu_get_rc_config(struct dvb_usb_device *d,
1847 struct dvb_usb_rc *rc)
1848 {
1849 struct rtl28xxu_dev *dev = d_to_priv(d);
1850
1851 if (dev->chip_id == CHIP_ID_RTL2831U)
1852 return rtl2831u_get_rc_config(d, rc);
1853 else
1854 return rtl2832u_get_rc_config(d, rc);
1855 }
1856 #else
1857 #define rtl28xxu_get_rc_config NULL
1858 #endif
1859
rtl28xxu_pid_filter_ctrl(struct dvb_usb_adapter *adap, int onoff)1860 static int rtl28xxu_pid_filter_ctrl(struct dvb_usb_adapter *adap, int onoff)
1861 {
1862 struct rtl28xxu_dev *dev = adap_to_priv(adap);
1863
1864 if (dev->chip_id == CHIP_ID_RTL2831U) {
1865 struct rtl2830_platform_data *pdata = &dev->rtl2830_platform_data;
1866
1867 return pdata->pid_filter_ctrl(adap->fe[0], onoff);
1868 } else {
1869 struct rtl2832_platform_data *pdata = &dev->rtl2832_platform_data;
1870
1871 return pdata->pid_filter_ctrl(adap->fe[0], onoff);
1872 }
1873 }
1874
rtl28xxu_pid_filter(struct dvb_usb_adapter *adap, int index, u16 pid, int onoff)1875 static int rtl28xxu_pid_filter(struct dvb_usb_adapter *adap, int index,
1876 u16 pid, int onoff)
1877 {
1878 struct rtl28xxu_dev *dev = adap_to_priv(adap);
1879
1880 if (dev->chip_id == CHIP_ID_RTL2831U) {
1881 struct rtl2830_platform_data *pdata = &dev->rtl2830_platform_data;
1882
1883 return pdata->pid_filter(adap->fe[0], index, pid, onoff);
1884 } else {
1885 struct rtl2832_platform_data *pdata = &dev->rtl2832_platform_data;
1886
1887 return pdata->pid_filter(adap->fe[0], index, pid, onoff);
1888 }
1889 }
1890
1891 static const struct dvb_usb_device_properties rtl28xxu_props = {
1892 .driver_name = KBUILD_MODNAME,
1893 .owner = THIS_MODULE,
1894 .adapter_nr = adapter_nr,
1895 .size_of_priv = sizeof(struct rtl28xxu_dev),
1896
1897 .identify_state = rtl28xxu_identify_state,
1898 .power_ctrl = rtl28xxu_power_ctrl,
1899 .frontend_ctrl = rtl28xxu_frontend_ctrl,
1900 .i2c_algo = &rtl28xxu_i2c_algo,
1901 .read_config = rtl28xxu_read_config,
1902 .frontend_attach = rtl28xxu_frontend_attach,
1903 .frontend_detach = rtl28xxu_frontend_detach,
1904 .tuner_attach = rtl28xxu_tuner_attach,
1905 .tuner_detach = rtl28xxu_tuner_detach,
1906 .init = rtl28xxu_init,
1907 .get_rc_config = rtl28xxu_get_rc_config,
1908
1909 .num_adapters = 1,
1910 .adapter = {
1911 {
1912 .caps = DVB_USB_ADAP_HAS_PID_FILTER |
1913 DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
1914
1915 .pid_filter_count = 32,
1916 .pid_filter_ctrl = rtl28xxu_pid_filter_ctrl,
1917 .pid_filter = rtl28xxu_pid_filter,
1918
1919 .stream = DVB_USB_STREAM_BULK(0x81, 6, 8 * 512),
1920 },
1921 },
1922 };
1923
1924 static const struct usb_device_id rtl28xxu_id_table[] = {
1925 /* RTL2831U devices: */
1926 { DVB_USB_DEVICE(USB_VID_REALTEK, USB_PID_REALTEK_RTL2831U,
1927 &rtl28xxu_props, "Realtek RTL2831U reference design", NULL) },
1928 { DVB_USB_DEVICE(USB_VID_WIDEVIEW, USB_PID_FREECOM_DVBT,
1929 &rtl28xxu_props, "Freecom USB2.0 DVB-T", NULL) },
1930 { DVB_USB_DEVICE(USB_VID_WIDEVIEW, USB_PID_FREECOM_DVBT_2,
1931 &rtl28xxu_props, "Freecom USB2.0 DVB-T", NULL) },
1932
1933 /* RTL2832U devices: */
1934 { DVB_USB_DEVICE(USB_VID_REALTEK, 0x2832,
1935 &rtl28xxu_props, "Realtek RTL2832U reference design", NULL) },
1936 { DVB_USB_DEVICE(USB_VID_REALTEK, 0x2838,
1937 &rtl28xxu_props, "Realtek RTL2832U reference design", NULL) },
1938 { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_CINERGY_T_STICK_BLACK_REV1,
1939 &rtl28xxu_props, "TerraTec Cinergy T Stick Black", RC_MAP_TERRATEC_SLIM) },
1940 { DVB_USB_DEVICE(USB_VID_GTEK, USB_PID_DELOCK_USB2_DVBT,
1941 &rtl28xxu_props, "G-Tek Electronics Group Lifeview LV5TDLX DVB-T", NULL) },
1942 { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_NOXON_DAB_STICK,
1943 &rtl28xxu_props, "TerraTec NOXON DAB Stick", NULL) },
1944 { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_NOXON_DAB_STICK_REV2,
1945 &rtl28xxu_props, "TerraTec NOXON DAB Stick (rev 2)", NULL) },
1946 { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_NOXON_DAB_STICK_REV3,
1947 &rtl28xxu_props, "TerraTec NOXON DAB Stick (rev 3)", NULL) },
1948 { DVB_USB_DEVICE(USB_VID_GTEK, USB_PID_TREKSTOR_TERRES_2_0,
1949 &rtl28xxu_props, "Trekstor DVB-T Stick Terres 2.0", NULL) },
1950 { DVB_USB_DEVICE(USB_VID_DEXATEK, 0x1101,
1951 &rtl28xxu_props, "Dexatek DK DVB-T Dongle", NULL) },
1952 { DVB_USB_DEVICE(USB_VID_LEADTEK, 0x6680,
1953 &rtl28xxu_props, "DigitalNow Quad DVB-T Receiver", NULL) },
1954 { DVB_USB_DEVICE(USB_VID_LEADTEK, USB_PID_WINFAST_DTV_DONGLE_MINID,
1955 &rtl28xxu_props, "Leadtek Winfast DTV Dongle Mini D", NULL) },
1956 { DVB_USB_DEVICE(USB_VID_LEADTEK, USB_PID_WINFAST_DTV2000DS_PLUS,
1957 &rtl28xxu_props, "Leadtek WinFast DTV2000DS Plus", RC_MAP_LEADTEK_Y04G0051) },
1958 { DVB_USB_DEVICE(USB_VID_TERRATEC, 0x00d3,
1959 &rtl28xxu_props, "TerraTec Cinergy T Stick RC (Rev. 3)", NULL) },
1960 { DVB_USB_DEVICE(USB_VID_DEXATEK, 0x1102,
1961 &rtl28xxu_props, "Dexatek DK mini DVB-T Dongle", NULL) },
1962 { DVB_USB_DEVICE(USB_VID_TERRATEC, 0x00d7,
1963 &rtl28xxu_props, "TerraTec Cinergy T Stick+", NULL) },
1964 { DVB_USB_DEVICE(USB_VID_KWORLD_2, 0xd3a8,
1965 &rtl28xxu_props, "ASUS My Cinema-U3100Mini Plus V2", NULL) },
1966 { DVB_USB_DEVICE(USB_VID_KWORLD_2, 0xd393,
1967 &rtl28xxu_props, "GIGABYTE U7300", NULL) },
1968 { DVB_USB_DEVICE(USB_VID_DEXATEK, 0x1104,
1969 &rtl28xxu_props, "MSI DIGIVOX Micro HD", NULL) },
1970 { DVB_USB_DEVICE(USB_VID_COMPRO, 0x0620,
1971 &rtl28xxu_props, "Compro VideoMate U620F", NULL) },
1972 { DVB_USB_DEVICE(USB_VID_COMPRO, 0x0650,
1973 &rtl28xxu_props, "Compro VideoMate U650F", NULL) },
1974 { DVB_USB_DEVICE(USB_VID_KWORLD_2, 0xd394,
1975 &rtl28xxu_props, "MaxMedia HU394-T", NULL) },
1976 { DVB_USB_DEVICE(USB_VID_LEADTEK, 0x6a03,
1977 &rtl28xxu_props, "Leadtek WinFast DTV Dongle mini", NULL) },
1978 { DVB_USB_DEVICE(USB_VID_GTEK, USB_PID_CPYTO_REDI_PC50A,
1979 &rtl28xxu_props, "Crypto ReDi PC 50 A", NULL) },
1980 { DVB_USB_DEVICE(USB_VID_KYE, 0x707f,
1981 &rtl28xxu_props, "Genius TVGo DVB-T03", NULL) },
1982 { DVB_USB_DEVICE(USB_VID_KWORLD_2, 0xd395,
1983 &rtl28xxu_props, "Peak DVB-T USB", NULL) },
1984 { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_SVEON_STV20_RTL2832U,
1985 &rtl28xxu_props, "Sveon STV20", NULL) },
1986 { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_SVEON_STV21,
1987 &rtl28xxu_props, "Sveon STV21", NULL) },
1988 { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_SVEON_STV27,
1989 &rtl28xxu_props, "Sveon STV27", NULL) },
1990 { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_TURBOX_DTT_2000,
1991 &rtl28xxu_props, "TURBO-X Pure TV Tuner DTT-2000", NULL) },
1992 { DVB_USB_DEVICE(USB_VID_GTEK, USB_PID_PROLECTRIX_DV107669,
1993 &rtl28xxu_props, "PROlectrix DV107669", NULL) },
1994
1995 /* RTL2832P devices: */
1996 { DVB_USB_DEVICE(USB_VID_HANFTEK, 0x0131,
1997 &rtl28xxu_props, "Astrometa DVB-T2",
1998 RC_MAP_ASTROMETA_T2HYBRID) },
1999 { DVB_USB_DEVICE(0x5654, 0xca42,
2000 &rtl28xxu_props, "GoTView MasterHD 3", NULL) },
2001 { }
2002 };
2003 MODULE_DEVICE_TABLE(usb, rtl28xxu_id_table);
2004
2005 static struct usb_driver rtl28xxu_usb_driver = {
2006 .name = KBUILD_MODNAME,
2007 .id_table = rtl28xxu_id_table,
2008 .probe = dvb_usbv2_probe,
2009 .disconnect = dvb_usbv2_disconnect,
2010 .suspend = dvb_usbv2_suspend,
2011 .resume = dvb_usbv2_resume,
2012 .reset_resume = dvb_usbv2_reset_resume,
2013 .no_dynamic_id = 1,
2014 .soft_unbind = 1,
2015 };
2016
2017 module_usb_driver(rtl28xxu_usb_driver);
2018
2019 MODULE_DESCRIPTION("Realtek RTL28xxU DVB USB driver");
2020 MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
2021 MODULE_AUTHOR("Thomas Mair <thomas.mair86@googlemail.com>");
2022 MODULE_LICENSE("GPL");
2023