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PM / sleep: Asynchronous threads for suspend_noirq
[linux/fpc-iii.git] / drivers / media / usb / dvb-usb-v2 / rtl28xxu.c
blobfda5c64ba0e8220f0876e56ad3bf0d328361edf5
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 #include "rtl2830.h"
26 #include "rtl2832.h"
27
28 #include "qt1010.h"
29 #include "mt2060.h"
30 #include "mxl5005s.h"
31 #include "fc0012.h"
32 #include "fc0013.h"
33 #include "e4000.h"
34 #include "fc2580.h"
35 #include "tua9001.h"
36 #include "r820t.h"
37
38 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
39
40 static int rtl28xxu_ctrl_msg(struct dvb_usb_device *d, struct rtl28xxu_req *req)
41 {
42 int ret;
43 unsigned int pipe;
44 u8 requesttype;
45 u8 *buf;
46
47 buf = kmalloc(req->size, GFP_KERNEL);
48 if (!buf) {
49 ret = -ENOMEM;
50 goto err;
51 }
52
53 if (req->index & CMD_WR_FLAG) {
54 /* write */
55 memcpy(buf, req->data, req->size);
56 requesttype = (USB_TYPE_VENDOR | USB_DIR_OUT);
57 pipe = usb_sndctrlpipe(d->udev, 0);
58 } else {
59 /* read */
60 requesttype = (USB_TYPE_VENDOR | USB_DIR_IN);
61 pipe = usb_rcvctrlpipe(d->udev, 0);
62 }
63
64 ret = usb_control_msg(d->udev, pipe, 0, requesttype, req->value,
65 req->index, buf, req->size, 1000);
66
67 dvb_usb_dbg_usb_control_msg(d->udev, 0, requesttype, req->value,
68 req->index, buf, req->size);
69
70 if (ret > 0)
71 ret = 0;
72
73 /* read request, copy returned data to return buf */
74 if (!ret && requesttype == (USB_TYPE_VENDOR | USB_DIR_IN))
75 memcpy(req->data, buf, req->size);
76
77 kfree(buf);
78
79 if (ret)
80 goto err;
81
82 return ret;
83 err:
84 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
85 return ret;
86 }
87
88 static int rtl28xx_wr_regs(struct dvb_usb_device *d, u16 reg, u8 *val, int len)
89 {
90 struct rtl28xxu_req req;
91
92 if (reg < 0x3000)
93 req.index = CMD_USB_WR;
94 else if (reg < 0x4000)
95 req.index = CMD_SYS_WR;
96 else
97 req.index = CMD_IR_WR;
98
99 req.value = reg;
100 req.size = len;
101 req.data = val;
102
103 return rtl28xxu_ctrl_msg(d, &req);
104 }
105
106 static int rtl2831_rd_regs(struct dvb_usb_device *d, u16 reg, u8 *val, int len)
107 {
108 struct rtl28xxu_req req;
109
110 if (reg < 0x3000)
111 req.index = CMD_USB_RD;
112 else if (reg < 0x4000)
113 req.index = CMD_SYS_RD;
114 else
115 req.index = CMD_IR_RD;
116
117 req.value = reg;
118 req.size = len;
119 req.data = val;
120
121 return rtl28xxu_ctrl_msg(d, &req);
122 }
123
124 static int rtl28xx_wr_reg(struct dvb_usb_device *d, u16 reg, u8 val)
125 {
126 return rtl28xx_wr_regs(d, reg, &val, 1);
127 }
128
129 static int rtl28xx_rd_reg(struct dvb_usb_device *d, u16 reg, u8 *val)
130 {
131 return rtl2831_rd_regs(d, reg, val, 1);
132 }
133
134 static int rtl28xx_wr_reg_mask(struct dvb_usb_device *d, u16 reg, u8 val,
135 u8 mask)
136 {
137 int ret;
138 u8 tmp;
139
140 /* no need for read if whole reg is written */
141 if (mask != 0xff) {
142 ret = rtl28xx_rd_reg(d, reg, &tmp);
143 if (ret)
144 return ret;
145
146 val &= mask;
147 tmp &= ~mask;
148 val |= tmp;
149 }
150
151 return rtl28xx_wr_reg(d, reg, val);
152 }
153
154 /* I2C */
155 static int rtl28xxu_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[],
156 int num)
157 {
158 int ret;
159 struct dvb_usb_device *d = i2c_get_adapdata(adap);
160 struct rtl28xxu_priv *priv = d->priv;
161 struct rtl28xxu_req req;
162
163 /*
164 * It is not known which are real I2C bus xfer limits, but testing
165 * with RTL2831U + MT2060 gives max RD 24 and max WR 22 bytes.
166 * TODO: find out RTL2832U lens
167 */
168
169 /*
170 * I2C adapter logic looks rather complicated due to fact it handles
171 * three different access methods. Those methods are;
172 * 1) integrated demod access
173 * 2) old I2C access
174 * 3) new I2C access
175 *
176 * Used method is selected in order 1, 2, 3. Method 3 can handle all
177 * requests but there is two reasons why not use it always;
178 * 1) It is most expensive, usually two USB messages are needed
179 * 2) At least RTL2831U does not support it
180 *
181 * Method 3 is needed in case of I2C write+read (typical register read)
182 * where write is more than one byte.
183 */
184
185 if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
186 return -EAGAIN;
187
188 if (num == 2 && !(msg[0].flags & I2C_M_RD) &&
189 (msg[1].flags & I2C_M_RD)) {
190 if (msg[0].len > 24 || msg[1].len > 24) {
191 /* TODO: check msg[0].len max */
192 ret = -EOPNOTSUPP;
193 goto err_mutex_unlock;
194 } else if (msg[0].addr == 0x10) {
195 /* method 1 - integrated demod */
196 req.value = (msg[0].buf[0] << 8) | (msg[0].addr << 1);
197 req.index = CMD_DEMOD_RD | priv->page;
198 req.size = msg[1].len;
199 req.data = &msg[1].buf[0];
200 ret = rtl28xxu_ctrl_msg(d, &req);
201 } else if (msg[0].len < 2) {
202 /* method 2 - old I2C */
203 req.value = (msg[0].buf[0] << 8) | (msg[0].addr << 1);
204 req.index = CMD_I2C_RD;
205 req.size = msg[1].len;
206 req.data = &msg[1].buf[0];
207 ret = rtl28xxu_ctrl_msg(d, &req);
208 } else {
209 /* method 3 - new I2C */
210 req.value = (msg[0].addr << 1);
211 req.index = CMD_I2C_DA_WR;
212 req.size = msg[0].len;
213 req.data = msg[0].buf;
214 ret = rtl28xxu_ctrl_msg(d, &req);
215 if (ret)
216 goto err_mutex_unlock;
217
218 req.value = (msg[0].addr << 1);
219 req.index = CMD_I2C_DA_RD;
220 req.size = msg[1].len;
221 req.data = msg[1].buf;
222 ret = rtl28xxu_ctrl_msg(d, &req);
223 }
224 } else if (num == 1 && !(msg[0].flags & I2C_M_RD)) {
225 if (msg[0].len > 22) {
226 /* TODO: check msg[0].len max */
227 ret = -EOPNOTSUPP;
228 goto err_mutex_unlock;
229 } else if (msg[0].addr == 0x10) {
230 /* method 1 - integrated demod */
231 if (msg[0].buf[0] == 0x00) {
232 /* save demod page for later demod access */
233 priv->page = msg[0].buf[1];
234 ret = 0;
235 } else {
236 req.value = (msg[0].buf[0] << 8) |
237 (msg[0].addr << 1);
238 req.index = CMD_DEMOD_WR | priv->page;
239 req.size = msg[0].len-1;
240 req.data = &msg[0].buf[1];
241 ret = rtl28xxu_ctrl_msg(d, &req);
242 }
243 } else if (msg[0].len < 23) {
244 /* method 2 - old I2C */
245 req.value = (msg[0].buf[0] << 8) | (msg[0].addr << 1);
246 req.index = CMD_I2C_WR;
247 req.size = msg[0].len-1;
248 req.data = &msg[0].buf[1];
249 ret = rtl28xxu_ctrl_msg(d, &req);
250 } else {
251 /* method 3 - new I2C */
252 req.value = (msg[0].addr << 1);
253 req.index = CMD_I2C_DA_WR;
254 req.size = msg[0].len;
255 req.data = msg[0].buf;
256 ret = rtl28xxu_ctrl_msg(d, &req);
257 }
258 } else {
259 ret = -EINVAL;
260 }
261
262 err_mutex_unlock:
263 mutex_unlock(&d->i2c_mutex);
264
265 return ret ? ret : num;
266 }
267
268 static u32 rtl28xxu_i2c_func(struct i2c_adapter *adapter)
269 {
270 return I2C_FUNC_I2C;
271 }
272
273 static struct i2c_algorithm rtl28xxu_i2c_algo = {
274 .master_xfer = rtl28xxu_i2c_xfer,
275 .functionality = rtl28xxu_i2c_func,
276 };
277
278 static int rtl2831u_read_config(struct dvb_usb_device *d)
279 {
280 struct rtl28xxu_priv *priv = d_to_priv(d);
281 int ret;
282 u8 buf[1];
283 /* open RTL2831U/RTL2830 I2C gate */
284 struct rtl28xxu_req req_gate_open = {0x0120, 0x0011, 0x0001, "\x08"};
285 /* tuner probes */
286 struct rtl28xxu_req req_mt2060 = {0x00c0, CMD_I2C_RD, 1, buf};
287 struct rtl28xxu_req req_qt1010 = {0x0fc4, CMD_I2C_RD, 1, buf};
288
289 dev_dbg(&d->udev->dev, "%s:\n", __func__);
290
291 /*
292 * RTL2831U GPIOs
293 * =========================================================
294 * GPIO0 | tuner#0 | 0 off | 1 on | MXL5005S (?)
295 * GPIO2 | LED | 0 off | 1 on |
296 * GPIO4 | tuner#1 | 0 on | 1 off | MT2060
297 */
298
299 /* GPIO direction */
300 ret = rtl28xx_wr_reg(d, SYS_GPIO_DIR, 0x0a);
301 if (ret)
302 goto err;
303
304 /* enable as output GPIO0, GPIO2, GPIO4 */
305 ret = rtl28xx_wr_reg(d, SYS_GPIO_OUT_EN, 0x15);
306 if (ret)
307 goto err;
308
309 /*
310 * Probe used tuner. We need to know used tuner before demod attach
311 * since there is some demod params needed to set according to tuner.
312 */
313
314 /* demod needs some time to wake up */
315 msleep(20);
316
317 priv->tuner_name = "NONE";
318
319 /* open demod I2C gate */
320 ret = rtl28xxu_ctrl_msg(d, &req_gate_open);
321 if (ret)
322 goto err;
323
324 /* check QT1010 ID(?) register; reg=0f val=2c */
325 ret = rtl28xxu_ctrl_msg(d, &req_qt1010);
326 if (ret == 0 && buf[0] == 0x2c) {
327 priv->tuner = TUNER_RTL2830_QT1010;
328 priv->tuner_name = "QT1010";
329 goto found;
330 }
331
332 /* open demod I2C gate */
333 ret = rtl28xxu_ctrl_msg(d, &req_gate_open);
334 if (ret)
335 goto err;
336
337 /* check MT2060 ID register; reg=00 val=63 */
338 ret = rtl28xxu_ctrl_msg(d, &req_mt2060);
339 if (ret == 0 && buf[0] == 0x63) {
340 priv->tuner = TUNER_RTL2830_MT2060;
341 priv->tuner_name = "MT2060";
342 goto found;
343 }
344
345 /* assume MXL5005S */
346 priv->tuner = TUNER_RTL2830_MXL5005S;
347 priv->tuner_name = "MXL5005S";
348 goto found;
349
350 found:
351 dev_dbg(&d->udev->dev, "%s: tuner=%s\n", __func__, priv->tuner_name);
352
353 return 0;
354 err:
355 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
356 return ret;
357 }
358
359 static int rtl2832u_read_config(struct dvb_usb_device *d)
360 {
361 struct rtl28xxu_priv *priv = d_to_priv(d);
362 int ret;
363 u8 buf[2];
364 /* open RTL2832U/RTL2832 I2C gate */
365 struct rtl28xxu_req req_gate_open = {0x0120, 0x0011, 0x0001, "\x18"};
366 /* close RTL2832U/RTL2832 I2C gate */
367 struct rtl28xxu_req req_gate_close = {0x0120, 0x0011, 0x0001, "\x10"};
368 /* tuner probes */
369 struct rtl28xxu_req req_fc0012 = {0x00c6, CMD_I2C_RD, 1, buf};
370 struct rtl28xxu_req req_fc0013 = {0x00c6, CMD_I2C_RD, 1, buf};
371 struct rtl28xxu_req req_mt2266 = {0x00c0, CMD_I2C_RD, 1, buf};
372 struct rtl28xxu_req req_fc2580 = {0x01ac, CMD_I2C_RD, 1, buf};
373 struct rtl28xxu_req req_mt2063 = {0x00c0, CMD_I2C_RD, 1, buf};
374 struct rtl28xxu_req req_max3543 = {0x00c0, CMD_I2C_RD, 1, buf};
375 struct rtl28xxu_req req_tua9001 = {0x7ec0, CMD_I2C_RD, 2, buf};
376 struct rtl28xxu_req req_mxl5007t = {0xd9c0, CMD_I2C_RD, 1, buf};
377 struct rtl28xxu_req req_e4000 = {0x02c8, CMD_I2C_RD, 1, buf};
378 struct rtl28xxu_req req_tda18272 = {0x00c0, CMD_I2C_RD, 2, buf};
379 struct rtl28xxu_req req_r820t = {0x0034, CMD_I2C_RD, 1, buf};
380 struct rtl28xxu_req req_r828d = {0x0074, CMD_I2C_RD, 1, buf};
381
382 dev_dbg(&d->udev->dev, "%s:\n", __func__);
383
384 /* enable GPIO3 and GPIO6 as output */
385 ret = rtl28xx_wr_reg_mask(d, SYS_GPIO_DIR, 0x00, 0x40);
386 if (ret)
387 goto err;
388
389 ret = rtl28xx_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x48, 0x48);
390 if (ret)
391 goto err;
392
393 /*
394 * Probe used tuner. We need to know used tuner before demod attach
395 * since there is some demod params needed to set according to tuner.
396 */
397
398 /* open demod I2C gate */
399 ret = rtl28xxu_ctrl_msg(d, &req_gate_open);
400 if (ret)
401 goto err;
402
403 priv->tuner_name = "NONE";
404
405 /* check FC0012 ID register; reg=00 val=a1 */
406 ret = rtl28xxu_ctrl_msg(d, &req_fc0012);
407 if (ret == 0 && buf[0] == 0xa1) {
408 priv->tuner = TUNER_RTL2832_FC0012;
409 priv->tuner_name = "FC0012";
410 goto found;
411 }
412
413 /* check FC0013 ID register; reg=00 val=a3 */
414 ret = rtl28xxu_ctrl_msg(d, &req_fc0013);
415 if (ret == 0 && buf[0] == 0xa3) {
416 priv->tuner = TUNER_RTL2832_FC0013;
417 priv->tuner_name = "FC0013";
418 goto found;
419 }
420
421 /* check MT2266 ID register; reg=00 val=85 */
422 ret = rtl28xxu_ctrl_msg(d, &req_mt2266);
423 if (ret == 0 && buf[0] == 0x85) {
424 priv->tuner = TUNER_RTL2832_MT2266;
425 priv->tuner_name = "MT2266";
426 goto found;
427 }
428
429 /* check FC2580 ID register; reg=01 val=56 */
430 ret = rtl28xxu_ctrl_msg(d, &req_fc2580);
431 if (ret == 0 && buf[0] == 0x56) {
432 priv->tuner = TUNER_RTL2832_FC2580;
433 priv->tuner_name = "FC2580";
434 goto found;
435 }
436
437 /* check MT2063 ID register; reg=00 val=9e || 9c */
438 ret = rtl28xxu_ctrl_msg(d, &req_mt2063);
439 if (ret == 0 && (buf[0] == 0x9e || buf[0] == 0x9c)) {
440 priv->tuner = TUNER_RTL2832_MT2063;
441 priv->tuner_name = "MT2063";
442 goto found;
443 }
444
445 /* check MAX3543 ID register; reg=00 val=38 */
446 ret = rtl28xxu_ctrl_msg(d, &req_max3543);
447 if (ret == 0 && buf[0] == 0x38) {
448 priv->tuner = TUNER_RTL2832_MAX3543;
449 priv->tuner_name = "MAX3543";
450 goto found;
451 }
452
453 /* check TUA9001 ID register; reg=7e val=2328 */
454 ret = rtl28xxu_ctrl_msg(d, &req_tua9001);
455 if (ret == 0 && buf[0] == 0x23 && buf[1] == 0x28) {
456 priv->tuner = TUNER_RTL2832_TUA9001;
457 priv->tuner_name = "TUA9001";
458 goto found;
459 }
460
461 /* check MXL5007R ID register; reg=d9 val=14 */
462 ret = rtl28xxu_ctrl_msg(d, &req_mxl5007t);
463 if (ret == 0 && buf[0] == 0x14) {
464 priv->tuner = TUNER_RTL2832_MXL5007T;
465 priv->tuner_name = "MXL5007T";
466 goto found;
467 }
468
469 /* check E4000 ID register; reg=02 val=40 */
470 ret = rtl28xxu_ctrl_msg(d, &req_e4000);
471 if (ret == 0 && buf[0] == 0x40) {
472 priv->tuner = TUNER_RTL2832_E4000;
473 priv->tuner_name = "E4000";
474 goto found;
475 }
476
477 /* check TDA18272 ID register; reg=00 val=c760 */
478 ret = rtl28xxu_ctrl_msg(d, &req_tda18272);
479 if (ret == 0 && (buf[0] == 0xc7 || buf[1] == 0x60)) {
480 priv->tuner = TUNER_RTL2832_TDA18272;
481 priv->tuner_name = "TDA18272";
482 goto found;
483 }
484
485 /* check R820T ID register; reg=00 val=69 */
486 ret = rtl28xxu_ctrl_msg(d, &req_r820t);
487 if (ret == 0 && buf[0] == 0x69) {
488 priv->tuner = TUNER_RTL2832_R820T;
489 priv->tuner_name = "R820T";
490 goto found;
491 }
492
493 /* check R828D ID register; reg=00 val=69 */
494 ret = rtl28xxu_ctrl_msg(d, &req_r828d);
495 if (ret == 0 && buf[0] == 0x69) {
496 priv->tuner = TUNER_RTL2832_R828D;
497 priv->tuner_name = "R828D";
498 goto found;
499 }
500
501
502 found:
503 dev_dbg(&d->udev->dev, "%s: tuner=%s\n", __func__, priv->tuner_name);
504
505 /* close demod I2C gate */
506 ret = rtl28xxu_ctrl_msg(d, &req_gate_close);
507 if (ret < 0)
508 goto err;
509
510 return 0;
511 err:
512 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
513 return ret;
514 }
515
516 static struct rtl2830_config rtl28xxu_rtl2830_mt2060_config = {
517 .i2c_addr = 0x10, /* 0x20 */
518 .xtal = 28800000,
519 .ts_mode = 0,
520 .spec_inv = 1,
521 .vtop = 0x20,
522 .krf = 0x04,
523 .agc_targ_val = 0x2d,
524
525 };
526
527 static struct rtl2830_config rtl28xxu_rtl2830_qt1010_config = {
528 .i2c_addr = 0x10, /* 0x20 */
529 .xtal = 28800000,
530 .ts_mode = 0,
531 .spec_inv = 1,
532 .vtop = 0x20,
533 .krf = 0x04,
534 .agc_targ_val = 0x2d,
535 };
536
537 static struct rtl2830_config rtl28xxu_rtl2830_mxl5005s_config = {
538 .i2c_addr = 0x10, /* 0x20 */
539 .xtal = 28800000,
540 .ts_mode = 0,
541 .spec_inv = 0,
542 .vtop = 0x3f,
543 .krf = 0x04,
544 .agc_targ_val = 0x3e,
545 };
546
547 static int rtl2831u_frontend_attach(struct dvb_usb_adapter *adap)
548 {
549 struct dvb_usb_device *d = adap_to_d(adap);
550 struct rtl28xxu_priv *priv = d_to_priv(d);
551 struct rtl2830_config *rtl2830_config;
552 int ret;
553
554 dev_dbg(&d->udev->dev, "%s:\n", __func__);
555
556 switch (priv->tuner) {
557 case TUNER_RTL2830_QT1010:
558 rtl2830_config = &rtl28xxu_rtl2830_qt1010_config;
559 break;
560 case TUNER_RTL2830_MT2060:
561 rtl2830_config = &rtl28xxu_rtl2830_mt2060_config;
562 break;
563 case TUNER_RTL2830_MXL5005S:
564 rtl2830_config = &rtl28xxu_rtl2830_mxl5005s_config;
565 break;
566 default:
567 dev_err(&d->udev->dev, "%s: unknown tuner=%s\n",
568 KBUILD_MODNAME, priv->tuner_name);
569 ret = -ENODEV;
570 goto err;
571 }
572
573 /* attach demodulator */
574 adap->fe[0] = dvb_attach(rtl2830_attach, rtl2830_config, &d->i2c_adap);
575 if (!adap->fe[0]) {
576 ret = -ENODEV;
577 goto err;
578 }
579
580 return 0;
581 err:
582 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
583 return ret;
584 }
585
586 static struct rtl2832_config rtl28xxu_rtl2832_fc0012_config = {
587 .i2c_addr = 0x10, /* 0x20 */
588 .xtal = 28800000,
589 .if_dvbt = 0,
590 .tuner = TUNER_RTL2832_FC0012
591 };
592
593 static struct rtl2832_config rtl28xxu_rtl2832_fc0013_config = {
594 .i2c_addr = 0x10, /* 0x20 */
595 .xtal = 28800000,
596 .if_dvbt = 0,
597 .tuner = TUNER_RTL2832_FC0013
598 };
599
600 static struct rtl2832_config rtl28xxu_rtl2832_tua9001_config = {
601 .i2c_addr = 0x10, /* 0x20 */
602 .xtal = 28800000,
603 .tuner = TUNER_RTL2832_TUA9001,
604 };
605
606 static struct rtl2832_config rtl28xxu_rtl2832_e4000_config = {
607 .i2c_addr = 0x10, /* 0x20 */
608 .xtal = 28800000,
609 .tuner = TUNER_RTL2832_E4000,
610 };
611
612 static struct rtl2832_config rtl28xxu_rtl2832_r820t_config = {
613 .i2c_addr = 0x10,
614 .xtal = 28800000,
615 .tuner = TUNER_RTL2832_R820T,
616 };
617
618 static int rtl2832u_fc0012_tuner_callback(struct dvb_usb_device *d,
619 int cmd, int arg)
620 {
621 int ret;
622 u8 val;
623
624 dev_dbg(&d->udev->dev, "%s: cmd=%d arg=%d\n", __func__, cmd, arg);
625
626 switch (cmd) {
627 case FC_FE_CALLBACK_VHF_ENABLE:
628 /* set output values */
629 ret = rtl28xx_rd_reg(d, SYS_GPIO_OUT_VAL, &val);
630 if (ret)
631 goto err;
632
633 if (arg)
634 val &= 0xbf; /* set GPIO6 low */
635 else
636 val |= 0x40; /* set GPIO6 high */
637
638
639 ret = rtl28xx_wr_reg(d, SYS_GPIO_OUT_VAL, val);
640 if (ret)
641 goto err;
642 break;
643 default:
644 ret = -EINVAL;
645 goto err;
646 }
647 return 0;
648 err:
649 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
650 return ret;
651 }
652
653 static int rtl2832u_tua9001_tuner_callback(struct dvb_usb_device *d,
654 int cmd, int arg)
655 {
656 int ret;
657 u8 val;
658
659 dev_dbg(&d->udev->dev, "%s: cmd=%d arg=%d\n", __func__, cmd, arg);
660
661 /*
662 * CEN always enabled by hardware wiring
663 * RESETN GPIO4
664 * RXEN GPIO1
665 */
666
667 switch (cmd) {
668 case TUA9001_CMD_RESETN:
669 if (arg)
670 val = (1 << 4);
671 else
672 val = (0 << 4);
673
674 ret = rtl28xx_wr_reg_mask(d, SYS_GPIO_OUT_VAL, val, 0x10);
675 if (ret)
676 goto err;
677 break;
678 case TUA9001_CMD_RXEN:
679 if (arg)
680 val = (1 << 1);
681 else
682 val = (0 << 1);
683
684 ret = rtl28xx_wr_reg_mask(d, SYS_GPIO_OUT_VAL, val, 0x02);
685 if (ret)
686 goto err;
687 break;
688 }
689
690 return 0;
691 err:
692 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
693 return ret;
694 }
695
696 static int rtl2832u_tuner_callback(struct dvb_usb_device *d, int cmd, int arg)
697 {
698 struct rtl28xxu_priv *priv = d->priv;
699
700 switch (priv->tuner) {
701 case TUNER_RTL2832_FC0012:
702 return rtl2832u_fc0012_tuner_callback(d, cmd, arg);
703 case TUNER_RTL2832_TUA9001:
704 return rtl2832u_tua9001_tuner_callback(d, cmd, arg);
705 default:
706 break;
707 }
708
709 return 0;
710 }
711
712 static int rtl2832u_frontend_callback(void *adapter_priv, int component,
713 int cmd, int arg)
714 {
715 struct i2c_adapter *adap = adapter_priv;
716 struct dvb_usb_device *d = i2c_get_adapdata(adap);
717
718 dev_dbg(&d->udev->dev, "%s: component=%d cmd=%d arg=%d\n",
719 __func__, component, cmd, arg);
720
721 switch (component) {
722 case DVB_FRONTEND_COMPONENT_TUNER:
723 return rtl2832u_tuner_callback(d, cmd, arg);
724 default:
725 break;
726 }
727
728 return 0;
729 }
730
731 static int rtl2832u_frontend_attach(struct dvb_usb_adapter *adap)
732 {
733 int ret;
734 struct dvb_usb_device *d = adap_to_d(adap);
735 struct rtl28xxu_priv *priv = d_to_priv(d);
736 struct rtl2832_config *rtl2832_config;
737
738 dev_dbg(&d->udev->dev, "%s:\n", __func__);
739
740 switch (priv->tuner) {
741 case TUNER_RTL2832_FC0012:
742 rtl2832_config = &rtl28xxu_rtl2832_fc0012_config;
743 break;
744 case TUNER_RTL2832_FC0013:
745 rtl2832_config = &rtl28xxu_rtl2832_fc0013_config;
746 break;
747 case TUNER_RTL2832_FC2580:
748 /* FIXME: do not abuse fc0012 settings */
749 rtl2832_config = &rtl28xxu_rtl2832_fc0012_config;
750 break;
751 case TUNER_RTL2832_TUA9001:
752 rtl2832_config = &rtl28xxu_rtl2832_tua9001_config;
753 break;
754 case TUNER_RTL2832_E4000:
755 rtl2832_config = &rtl28xxu_rtl2832_e4000_config;
756 break;
757 case TUNER_RTL2832_R820T:
758 case TUNER_RTL2832_R828D:
759 rtl2832_config = &rtl28xxu_rtl2832_r820t_config;
760 break;
761 default:
762 dev_err(&d->udev->dev, "%s: unknown tuner=%s\n",
763 KBUILD_MODNAME, priv->tuner_name);
764 ret = -ENODEV;
765 goto err;
766 }
767
768 /* attach demodulator */
769 adap->fe[0] = dvb_attach(rtl2832_attach, rtl2832_config, &d->i2c_adap);
770 if (!adap->fe[0]) {
771 ret = -ENODEV;
772 goto err;
773 }
774
775 /* set fe callback */
776 adap->fe[0]->callback = rtl2832u_frontend_callback;
777
778 return 0;
779 err:
780 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
781 return ret;
782 }
783
784 static struct qt1010_config rtl28xxu_qt1010_config = {
785 .i2c_address = 0x62, /* 0xc4 */
786 };
787
788 static struct mt2060_config rtl28xxu_mt2060_config = {
789 .i2c_address = 0x60, /* 0xc0 */
790 .clock_out = 0,
791 };
792
793 static struct mxl5005s_config rtl28xxu_mxl5005s_config = {
794 .i2c_address = 0x63, /* 0xc6 */
795 .if_freq = IF_FREQ_4570000HZ,
796 .xtal_freq = CRYSTAL_FREQ_16000000HZ,
797 .agc_mode = MXL_SINGLE_AGC,
798 .tracking_filter = MXL_TF_C_H,
799 .rssi_enable = MXL_RSSI_ENABLE,
800 .cap_select = MXL_CAP_SEL_ENABLE,
801 .div_out = MXL_DIV_OUT_4,
802 .clock_out = MXL_CLOCK_OUT_DISABLE,
803 .output_load = MXL5005S_IF_OUTPUT_LOAD_200_OHM,
804 .top = MXL5005S_TOP_25P2,
805 .mod_mode = MXL_DIGITAL_MODE,
806 .if_mode = MXL_ZERO_IF,
807 .AgcMasterByte = 0x00,
808 };
809
810 static int rtl2831u_tuner_attach(struct dvb_usb_adapter *adap)
811 {
812 int ret;
813 struct dvb_usb_device *d = adap_to_d(adap);
814 struct rtl28xxu_priv *priv = d_to_priv(d);
815 struct i2c_adapter *rtl2830_tuner_i2c;
816 struct dvb_frontend *fe;
817
818 dev_dbg(&d->udev->dev, "%s:\n", __func__);
819
820 /* use rtl2830 driver I2C adapter, for more info see rtl2830 driver */
821 rtl2830_tuner_i2c = rtl2830_get_tuner_i2c_adapter(adap->fe[0]);
822
823 switch (priv->tuner) {
824 case TUNER_RTL2830_QT1010:
825 fe = dvb_attach(qt1010_attach, adap->fe[0],
826 rtl2830_tuner_i2c, &rtl28xxu_qt1010_config);
827 break;
828 case TUNER_RTL2830_MT2060:
829 fe = dvb_attach(mt2060_attach, adap->fe[0],
830 rtl2830_tuner_i2c, &rtl28xxu_mt2060_config,
831 1220);
832 break;
833 case TUNER_RTL2830_MXL5005S:
834 fe = dvb_attach(mxl5005s_attach, adap->fe[0],
835 rtl2830_tuner_i2c, &rtl28xxu_mxl5005s_config);
836 break;
837 default:
838 fe = NULL;
839 dev_err(&d->udev->dev, "%s: unknown tuner=%d\n", KBUILD_MODNAME,
840 priv->tuner);
841 }
842
843 if (fe == NULL) {
844 ret = -ENODEV;
845 goto err;
846 }
847
848 return 0;
849 err:
850 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
851 return ret;
852 }
853
854 static const struct e4000_config rtl2832u_e4000_config = {
855 .i2c_addr = 0x64,
856 .clock = 28800000,
857 };
858
859 static const struct fc2580_config rtl2832u_fc2580_config = {
860 .i2c_addr = 0x56,
861 .clock = 16384000,
862 };
863
864 static struct tua9001_config rtl2832u_tua9001_config = {
865 .i2c_addr = 0x60,
866 };
867
868 static const struct fc0012_config rtl2832u_fc0012_config = {
869 .i2c_address = 0x63, /* 0xc6 >> 1 */
870 .xtal_freq = FC_XTAL_28_8_MHZ,
871 };
872
873 static const struct r820t_config rtl2832u_r820t_config = {
874 .i2c_addr = 0x1a,
875 .xtal = 28800000,
876 .max_i2c_msg_len = 2,
877 .rafael_chip = CHIP_R820T,
878 };
879
880 static const struct r820t_config rtl2832u_r828d_config = {
881 .i2c_addr = 0x3a,
882 .xtal = 16000000,
883 .max_i2c_msg_len = 2,
884 .rafael_chip = CHIP_R828D,
885 };
886
887 static int rtl2832u_tuner_attach(struct dvb_usb_adapter *adap)
888 {
889 int ret;
890 struct dvb_usb_device *d = adap_to_d(adap);
891 struct rtl28xxu_priv *priv = d_to_priv(d);
892 struct dvb_frontend *fe;
893
894 dev_dbg(&d->udev->dev, "%s:\n", __func__);
895
896 switch (priv->tuner) {
897 case TUNER_RTL2832_FC0012:
898 fe = dvb_attach(fc0012_attach, adap->fe[0],
899 &d->i2c_adap, &rtl2832u_fc0012_config);
900
901 /* since fc0012 includs reading the signal strength delegate
902 * that to the tuner driver */
903 adap->fe[0]->ops.read_signal_strength =
904 adap->fe[0]->ops.tuner_ops.get_rf_strength;
905 return 0;
906 break;
907 case TUNER_RTL2832_FC0013:
908 fe = dvb_attach(fc0013_attach, adap->fe[0],
909 &d->i2c_adap, 0xc6>>1, 0, FC_XTAL_28_8_MHZ);
910
911 /* fc0013 also supports signal strength reading */
912 adap->fe[0]->ops.read_signal_strength =
913 adap->fe[0]->ops.tuner_ops.get_rf_strength;
914 return 0;
915 case TUNER_RTL2832_E4000:
916 fe = dvb_attach(e4000_attach, adap->fe[0], &d->i2c_adap,
917 &rtl2832u_e4000_config);
918 break;
919 case TUNER_RTL2832_FC2580:
920 fe = dvb_attach(fc2580_attach, adap->fe[0], &d->i2c_adap,
921 &rtl2832u_fc2580_config);
922 break;
923 case TUNER_RTL2832_TUA9001:
924 /* enable GPIO1 and GPIO4 as output */
925 ret = rtl28xx_wr_reg_mask(d, SYS_GPIO_DIR, 0x00, 0x12);
926 if (ret)
927 goto err;
928
929 ret = rtl28xx_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x12, 0x12);
930 if (ret)
931 goto err;
932
933 fe = dvb_attach(tua9001_attach, adap->fe[0], &d->i2c_adap,
934 &rtl2832u_tua9001_config);
935 break;
936 case TUNER_RTL2832_R820T:
937 fe = dvb_attach(r820t_attach, adap->fe[0], &d->i2c_adap,
938 &rtl2832u_r820t_config);
939
940 /* Use tuner to get the signal strength */
941 adap->fe[0]->ops.read_signal_strength =
942 adap->fe[0]->ops.tuner_ops.get_rf_strength;
943 break;
944 case TUNER_RTL2832_R828D:
945 /* power off mn88472 demod on GPIO0 */
946 ret = rtl28xx_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x00, 0x01);
947 if (ret)
948 goto err;
949
950 ret = rtl28xx_wr_reg_mask(d, SYS_GPIO_DIR, 0x00, 0x01);
951 if (ret)
952 goto err;
953
954 ret = rtl28xx_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x01, 0x01);
955 if (ret)
956 goto err;
957
958 fe = dvb_attach(r820t_attach, adap->fe[0], &d->i2c_adap,
959 &rtl2832u_r828d_config);
960
961 /* Use tuner to get the signal strength */
962 adap->fe[0]->ops.read_signal_strength =
963 adap->fe[0]->ops.tuner_ops.get_rf_strength;
964 break;
965 default:
966 fe = NULL;
967 dev_err(&d->udev->dev, "%s: unknown tuner=%d\n", KBUILD_MODNAME,
968 priv->tuner);
969 }
970
971 if (fe == NULL) {
972 ret = -ENODEV;
973 goto err;
974 }
975
976 return 0;
977 err:
978 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
979 return ret;
980 }
981
982 static int rtl28xxu_init(struct dvb_usb_device *d)
983 {
984 int ret;
985 u8 val;
986
987 dev_dbg(&d->udev->dev, "%s:\n", __func__);
988
989 /* init USB endpoints */
990 ret = rtl28xx_rd_reg(d, USB_SYSCTL_0, &val);
991 if (ret)
992 goto err;
993
994 /* enable DMA and Full Packet Mode*/
995 val |= 0x09;
996 ret = rtl28xx_wr_reg(d, USB_SYSCTL_0, val);
997 if (ret)
998 goto err;
999
1000 /* set EPA maximum packet size to 0x0200 */
1001 ret = rtl28xx_wr_regs(d, USB_EPA_MAXPKT, "\x00\x02\x00\x00", 4);
1002 if (ret)
1003 goto err;
1004
1005 /* change EPA FIFO length */
1006 ret = rtl28xx_wr_regs(d, USB_EPA_FIFO_CFG, "\x14\x00\x00\x00", 4);
1007 if (ret)
1008 goto err;
1009
1010 return ret;
1011 err:
1012 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
1013 return ret;
1014 }
1015
1016 static int rtl2831u_power_ctrl(struct dvb_usb_device *d, int onoff)
1017 {
1018 int ret;
1019 u8 gpio, sys0, epa_ctl[2];
1020
1021 dev_dbg(&d->udev->dev, "%s: onoff=%d\n", __func__, onoff);
1022
1023 /* demod adc */
1024 ret = rtl28xx_rd_reg(d, SYS_SYS0, &sys0);
1025 if (ret)
1026 goto err;
1027
1028 /* tuner power, read GPIOs */
1029 ret = rtl28xx_rd_reg(d, SYS_GPIO_OUT_VAL, &gpio);
1030 if (ret)
1031 goto err;
1032
1033 dev_dbg(&d->udev->dev, "%s: RD SYS0=%02x GPIO_OUT_VAL=%02x\n", __func__,
1034 sys0, gpio);
1035
1036 if (onoff) {
1037 gpio |= 0x01; /* GPIO0 = 1 */
1038 gpio &= (~0x10); /* GPIO4 = 0 */
1039 gpio |= 0x04; /* GPIO2 = 1, LED on */
1040 sys0 = sys0 & 0x0f;
1041 sys0 |= 0xe0;
1042 epa_ctl[0] = 0x00; /* clear stall */
1043 epa_ctl[1] = 0x00; /* clear reset */
1044 } else {
1045 gpio &= (~0x01); /* GPIO0 = 0 */
1046 gpio |= 0x10; /* GPIO4 = 1 */
1047 gpio &= (~0x04); /* GPIO2 = 1, LED off */
1048 sys0 = sys0 & (~0xc0);
1049 epa_ctl[0] = 0x10; /* set stall */
1050 epa_ctl[1] = 0x02; /* set reset */
1051 }
1052
1053 dev_dbg(&d->udev->dev, "%s: WR SYS0=%02x GPIO_OUT_VAL=%02x\n", __func__,
1054 sys0, gpio);
1055
1056 /* demod adc */
1057 ret = rtl28xx_wr_reg(d, SYS_SYS0, sys0);
1058 if (ret)
1059 goto err;
1060
1061 /* tuner power, write GPIOs */
1062 ret = rtl28xx_wr_reg(d, SYS_GPIO_OUT_VAL, gpio);
1063 if (ret)
1064 goto err;
1065
1066 /* streaming EP: stall & reset */
1067 ret = rtl28xx_wr_regs(d, USB_EPA_CTL, epa_ctl, 2);
1068 if (ret)
1069 goto err;
1070
1071 if (onoff)
1072 usb_clear_halt(d->udev, usb_rcvbulkpipe(d->udev, 0x81));
1073
1074 return ret;
1075 err:
1076 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
1077 return ret;
1078 }
1079
1080 static int rtl2832u_power_ctrl(struct dvb_usb_device *d, int onoff)
1081 {
1082 int ret;
1083
1084 dev_dbg(&d->udev->dev, "%s: onoff=%d\n", __func__, onoff);
1085
1086 if (onoff) {
1087 /* GPIO3=1, GPIO4=0 */
1088 ret = rtl28xx_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x08, 0x18);
1089 if (ret)
1090 goto err;
1091
1092 /* suspend? */
1093 ret = rtl28xx_wr_reg_mask(d, SYS_DEMOD_CTL1, 0x00, 0x10);
1094 if (ret)
1095 goto err;
1096
1097 /* enable PLL */
1098 ret = rtl28xx_wr_reg_mask(d, SYS_DEMOD_CTL, 0x80, 0x80);
1099 if (ret)
1100 goto err;
1101
1102 /* disable reset */
1103 ret = rtl28xx_wr_reg_mask(d, SYS_DEMOD_CTL, 0x20, 0x20);
1104 if (ret)
1105 goto err;
1106
1107 mdelay(5);
1108
1109 /* enable ADC */
1110 ret = rtl28xx_wr_reg_mask(d, SYS_DEMOD_CTL, 0x48, 0x48);
1111 if (ret)
1112 goto err;
1113
1114 /* streaming EP: clear stall & reset */
1115 ret = rtl28xx_wr_regs(d, USB_EPA_CTL, "\x00\x00", 2);
1116 if (ret)
1117 goto err;
1118
1119 ret = usb_clear_halt(d->udev, usb_rcvbulkpipe(d->udev, 0x81));
1120 if (ret)
1121 goto err;
1122 } else {
1123 /* GPIO4=1 */
1124 ret = rtl28xx_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x10, 0x10);
1125 if (ret)
1126 goto err;
1127
1128 /* disable ADC */
1129 ret = rtl28xx_wr_reg_mask(d, SYS_DEMOD_CTL, 0x00, 0x48);
1130 if (ret)
1131 goto err;
1132
1133 /* disable PLL */
1134 ret = rtl28xx_wr_reg_mask(d, SYS_DEMOD_CTL, 0x00, 0x80);
1135 if (ret)
1136 goto err;
1137
1138 /* streaming EP: set stall & reset */
1139 ret = rtl28xx_wr_regs(d, USB_EPA_CTL, "\x10\x02", 2);
1140 if (ret)
1141 goto err;
1142 }
1143
1144 return ret;
1145 err:
1146 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
1147 return ret;
1148 }
1149
1150 #if IS_ENABLED(CONFIG_RC_CORE)
1151 static int rtl2831u_rc_query(struct dvb_usb_device *d)
1152 {
1153 int ret, i;
1154 struct rtl28xxu_priv *priv = d->priv;
1155 u8 buf[5];
1156 u32 rc_code;
1157 struct rtl28xxu_reg_val rc_nec_tab[] = {
1158 { 0x3033, 0x80 },
1159 { 0x3020, 0x43 },
1160 { 0x3021, 0x16 },
1161 { 0x3022, 0x16 },
1162 { 0x3023, 0x5a },
1163 { 0x3024, 0x2d },
1164 { 0x3025, 0x16 },
1165 { 0x3026, 0x01 },
1166 { 0x3028, 0xb0 },
1167 { 0x3029, 0x04 },
1168 { 0x302c, 0x88 },
1169 { 0x302e, 0x13 },
1170 { 0x3030, 0xdf },
1171 { 0x3031, 0x05 },
1172 };
1173
1174 /* init remote controller */
1175 if (!priv->rc_active) {
1176 for (i = 0; i < ARRAY_SIZE(rc_nec_tab); i++) {
1177 ret = rtl28xx_wr_reg(d, rc_nec_tab[i].reg,
1178 rc_nec_tab[i].val);
1179 if (ret)
1180 goto err;
1181 }
1182 priv->rc_active = true;
1183 }
1184
1185 ret = rtl2831_rd_regs(d, SYS_IRRC_RP, buf, 5);
1186 if (ret)
1187 goto err;
1188
1189 if (buf[4] & 0x01) {
1190 if (buf[2] == (u8) ~buf[3]) {
1191 if (buf[0] == (u8) ~buf[1]) {
1192 /* NEC standard (16 bit) */
1193 rc_code = buf[0] << 8 | buf[2];
1194 } else {
1195 /* NEC extended (24 bit) */
1196 rc_code = buf[0] << 16 |
1197 buf[1] << 8 | buf[2];
1198 }
1199 } else {
1200 /* NEC full (32 bit) */
1201 rc_code = buf[0] << 24 | buf[1] << 16 |
1202 buf[2] << 8 | buf[3];
1203 }
1204
1205 rc_keydown(d->rc_dev, rc_code, 0);
1206
1207 ret = rtl28xx_wr_reg(d, SYS_IRRC_SR, 1);
1208 if (ret)
1209 goto err;
1210
1211 /* repeated intentionally to avoid extra keypress */
1212 ret = rtl28xx_wr_reg(d, SYS_IRRC_SR, 1);
1213 if (ret)
1214 goto err;
1215 }
1216
1217 return ret;
1218 err:
1219 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
1220 return ret;
1221 }
1222
1223 static int rtl2831u_get_rc_config(struct dvb_usb_device *d,
1224 struct dvb_usb_rc *rc)
1225 {
1226 rc->map_name = RC_MAP_EMPTY;
1227 rc->allowed_protos = RC_BIT_NEC;
1228 rc->query = rtl2831u_rc_query;
1229 rc->interval = 400;
1230
1231 return 0;
1232 }
1233
1234 static int rtl2832u_rc_query(struct dvb_usb_device *d)
1235 {
1236 int ret, i, len;
1237 struct rtl28xxu_priv *priv = d->priv;
1238 struct ir_raw_event ev;
1239 u8 buf[128];
1240 static const struct rtl28xxu_reg_val_mask refresh_tab[] = {
1241 {IR_RX_IF, 0x03, 0xff},
1242 {IR_RX_BUF_CTRL, 0x80, 0xff},
1243 {IR_RX_CTRL, 0x80, 0xff},
1244 };
1245
1246 /* init remote controller */
1247 if (!priv->rc_active) {
1248 static const struct rtl28xxu_reg_val_mask init_tab[] = {
1249 {SYS_DEMOD_CTL1, 0x00, 0x04},
1250 {SYS_DEMOD_CTL1, 0x00, 0x08},
1251 {USB_CTRL, 0x20, 0x20},
1252 {SYS_GPIO_DIR, 0x00, 0x08},
1253 {SYS_GPIO_OUT_EN, 0x08, 0x08},
1254 {SYS_GPIO_OUT_VAL, 0x08, 0x08},
1255 {IR_MAX_DURATION0, 0xd0, 0xff},
1256 {IR_MAX_DURATION1, 0x07, 0xff},
1257 {IR_IDLE_LEN0, 0xc0, 0xff},
1258 {IR_IDLE_LEN1, 0x00, 0xff},
1259 {IR_GLITCH_LEN, 0x03, 0xff},
1260 {IR_RX_CLK, 0x09, 0xff},
1261 {IR_RX_CFG, 0x1c, 0xff},
1262 {IR_MAX_H_TOL_LEN, 0x1e, 0xff},
1263 {IR_MAX_L_TOL_LEN, 0x1e, 0xff},
1264 {IR_RX_CTRL, 0x80, 0xff},
1265 };
1266
1267 for (i = 0; i < ARRAY_SIZE(init_tab); i++) {
1268 ret = rtl28xx_wr_reg_mask(d, init_tab[i].reg,
1269 init_tab[i].val, init_tab[i].mask);
1270 if (ret)
1271 goto err;
1272 }
1273
1274 priv->rc_active = true;
1275 }
1276
1277 ret = rtl28xx_rd_reg(d, IR_RX_IF, &buf[0]);
1278 if (ret)
1279 goto err;
1280
1281 if (buf[0] != 0x83)
1282 goto exit;
1283
1284 ret = rtl28xx_rd_reg(d, IR_RX_BC, &buf[0]);
1285 if (ret)
1286 goto err;
1287
1288 len = buf[0];
1289
1290 /* read raw code from hw */
1291 ret = rtl2831_rd_regs(d, IR_RX_BUF, buf, len);
1292 if (ret)
1293 goto err;
1294
1295 /* let hw receive new code */
1296 for (i = 0; i < ARRAY_SIZE(refresh_tab); i++) {
1297 ret = rtl28xx_wr_reg_mask(d, refresh_tab[i].reg,
1298 refresh_tab[i].val, refresh_tab[i].mask);
1299 if (ret)
1300 goto err;
1301 }
1302
1303 /* pass data to Kernel IR decoder */
1304 init_ir_raw_event(&ev);
1305
1306 for (i = 0; i < len; i++) {
1307 ev.pulse = buf[i] >> 7;
1308 ev.duration = 50800 * (buf[i] & 0x7f);
1309 ir_raw_event_store_with_filter(d->rc_dev, &ev);
1310 }
1311
1312 /* 'flush' ir_raw_event_store_with_filter() */
1313 ir_raw_event_set_idle(d->rc_dev, true);
1314 ir_raw_event_handle(d->rc_dev);
1315 exit:
1316 return ret;
1317 err:
1318 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
1319 return ret;
1320 }
1321
1322 static int rtl2832u_get_rc_config(struct dvb_usb_device *d,
1323 struct dvb_usb_rc *rc)
1324 {
1325 /* load empty to enable rc */
1326 if (!rc->map_name)
1327 rc->map_name = RC_MAP_EMPTY;
1328 rc->allowed_protos = RC_BIT_ALL;
1329 rc->driver_type = RC_DRIVER_IR_RAW;
1330 rc->query = rtl2832u_rc_query;
1331 rc->interval = 400;
1332
1333 return 0;
1334 }
1335 #else
1336 #define rtl2831u_get_rc_config NULL
1337 #define rtl2832u_get_rc_config NULL
1338 #endif
1339
1340 static const struct dvb_usb_device_properties rtl2831u_props = {
1341 .driver_name = KBUILD_MODNAME,
1342 .owner = THIS_MODULE,
1343 .adapter_nr = adapter_nr,
1344 .size_of_priv = sizeof(struct rtl28xxu_priv),
1345
1346 .power_ctrl = rtl2831u_power_ctrl,
1347 .i2c_algo = &rtl28xxu_i2c_algo,
1348 .read_config = rtl2831u_read_config,
1349 .frontend_attach = rtl2831u_frontend_attach,
1350 .tuner_attach = rtl2831u_tuner_attach,
1351 .init = rtl28xxu_init,
1352 .get_rc_config = rtl2831u_get_rc_config,
1353
1354 .num_adapters = 1,
1355 .adapter = {
1356 {
1357 .stream = DVB_USB_STREAM_BULK(0x81, 6, 8 * 512),
1358 },
1359 },
1360 };
1361
1362 static const struct dvb_usb_device_properties rtl2832u_props = {
1363 .driver_name = KBUILD_MODNAME,
1364 .owner = THIS_MODULE,
1365 .adapter_nr = adapter_nr,
1366 .size_of_priv = sizeof(struct rtl28xxu_priv),
1367
1368 .power_ctrl = rtl2832u_power_ctrl,
1369 .i2c_algo = &rtl28xxu_i2c_algo,
1370 .read_config = rtl2832u_read_config,
1371 .frontend_attach = rtl2832u_frontend_attach,
1372 .tuner_attach = rtl2832u_tuner_attach,
1373 .init = rtl28xxu_init,
1374 .get_rc_config = rtl2832u_get_rc_config,
1375
1376 .num_adapters = 1,
1377 .adapter = {
1378 {
1379 .stream = DVB_USB_STREAM_BULK(0x81, 6, 8 * 512),
1380 },
1381 },
1382 };
1383
1384 static const struct usb_device_id rtl28xxu_id_table[] = {
1385 { DVB_USB_DEVICE(USB_VID_REALTEK, USB_PID_REALTEK_RTL2831U,
1386 &rtl2831u_props, "Realtek RTL2831U reference design", NULL) },
1387 { DVB_USB_DEVICE(USB_VID_WIDEVIEW, USB_PID_FREECOM_DVBT,
1388 &rtl2831u_props, "Freecom USB2.0 DVB-T", NULL) },
1389 { DVB_USB_DEVICE(USB_VID_WIDEVIEW, USB_PID_FREECOM_DVBT_2,
1390 &rtl2831u_props, "Freecom USB2.0 DVB-T", NULL) },
1391
1392 { DVB_USB_DEVICE(USB_VID_REALTEK, 0x2832,
1393 &rtl2832u_props, "Realtek RTL2832U reference design", NULL) },
1394 { DVB_USB_DEVICE(USB_VID_REALTEK, 0x2838,
1395 &rtl2832u_props, "Realtek RTL2832U reference design", NULL) },
1396 { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_CINERGY_T_STICK_BLACK_REV1,
1397 &rtl2832u_props, "TerraTec Cinergy T Stick Black", RC_MAP_TERRATEC_SLIM) },
1398 { DVB_USB_DEVICE(USB_VID_GTEK, USB_PID_DELOCK_USB2_DVBT,
1399 &rtl2832u_props, "G-Tek Electronics Group Lifeview LV5TDLX DVB-T", NULL) },
1400 { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_NOXON_DAB_STICK,
1401 &rtl2832u_props, "TerraTec NOXON DAB Stick", NULL) },
1402 { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_NOXON_DAB_STICK_REV2,
1403 &rtl2832u_props, "TerraTec NOXON DAB Stick (rev 2)", NULL) },
1404 { DVB_USB_DEVICE(USB_VID_GTEK, USB_PID_TREKSTOR_TERRES_2_0,
1405 &rtl2832u_props, "Trekstor DVB-T Stick Terres 2.0", NULL) },
1406 { DVB_USB_DEVICE(USB_VID_DEXATEK, 0x1101,
1407 &rtl2832u_props, "Dexatek DK DVB-T Dongle", NULL) },
1408 { DVB_USB_DEVICE(USB_VID_LEADTEK, 0x6680,
1409 &rtl2832u_props, "DigitalNow Quad DVB-T Receiver", NULL) },
1410 { DVB_USB_DEVICE(USB_VID_LEADTEK, USB_PID_WINFAST_DTV_DONGLE_MINID,
1411 &rtl2832u_props, "Leadtek Winfast DTV Dongle Mini D", NULL) },
1412 { DVB_USB_DEVICE(USB_VID_TERRATEC, 0x00d3,
1413 &rtl2832u_props, "TerraTec Cinergy T Stick RC (Rev. 3)", NULL) },
1414 { DVB_USB_DEVICE(USB_VID_DEXATEK, 0x1102,
1415 &rtl2832u_props, "Dexatek DK mini DVB-T Dongle", NULL) },
1416 { DVB_USB_DEVICE(USB_VID_TERRATEC, 0x00d7,
1417 &rtl2832u_props, "TerraTec Cinergy T Stick+", NULL) },
1418 { DVB_USB_DEVICE(USB_VID_KWORLD_2, 0xd3a8,
1419 &rtl2832u_props, "ASUS My Cinema-U3100Mini Plus V2", NULL) },
1420 { DVB_USB_DEVICE(USB_VID_KWORLD_2, 0xd393,
1421 &rtl2832u_props, "GIGABYTE U7300", NULL) },
1422 { DVB_USB_DEVICE(USB_VID_DEXATEK, 0x1104,
1423 &rtl2832u_props, "MSI DIGIVOX Micro HD", NULL) },
1424 { DVB_USB_DEVICE(USB_VID_COMPRO, 0x0620,
1425 &rtl2832u_props, "Compro VideoMate U620F", NULL) },
1426 { DVB_USB_DEVICE(USB_VID_KWORLD_2, 0xd394,
1427 &rtl2832u_props, "MaxMedia HU394-T", NULL) },
1428 { DVB_USB_DEVICE(USB_VID_LEADTEK, 0x6a03,
1429 &rtl2832u_props, "Leadtek WinFast DTV Dongle mini", NULL) },
1430 { DVB_USB_DEVICE(USB_VID_GTEK, USB_PID_CPYTO_REDI_PC50A,
1431 &rtl2832u_props, "Crypto ReDi PC 50 A", NULL) },
1432
1433 { DVB_USB_DEVICE(USB_VID_HANFTEK, 0x0131,
1434 &rtl2832u_props, "Astrometa DVB-T2", NULL) },
1435 { }
1436 };
1437 MODULE_DEVICE_TABLE(usb, rtl28xxu_id_table);
1438
1439 static struct usb_driver rtl28xxu_usb_driver = {
1440 .name = KBUILD_MODNAME,
1441 .id_table = rtl28xxu_id_table,
1442 .probe = dvb_usbv2_probe,
1443 .disconnect = dvb_usbv2_disconnect,
1444 .suspend = dvb_usbv2_suspend,
1445 .resume = dvb_usbv2_resume,
1446 .reset_resume = dvb_usbv2_reset_resume,
1447 .no_dynamic_id = 1,
1448 .soft_unbind = 1,
1449 };
1450
1451 module_usb_driver(rtl28xxu_usb_driver);
1452
1453 MODULE_DESCRIPTION("Realtek RTL28xxU DVB USB driver");
1454 MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
1455 MODULE_AUTHOR("Thomas Mair <thomas.mair86@googlemail.com>");
1456 MODULE_LICENSE("GPL");
Linux with added FPC-III support