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