1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * Realtek RTL28xxU DVB USB driver
4 *
5 * Copyright (C) 2009 Antti Palosaari <crope@iki.fi>
6 * Copyright (C) 2011 Antti Palosaari <crope@iki.fi>
7 * Copyright (C) 2012 Thomas Mair <thomas.mair86@googlemail.com>
8 */
9
10 #include "rtl28xxu.h"
11
12 static int rtl28xxu_disable_rc;
13 module_param_named(disable_rc, rtl28xxu_disable_rc, int, 0644);
14 MODULE_PARM_DESC(disable_rc, "disable RTL2832U remote controller");
15 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
16
rtl28xxu_ctrl_msg(struct dvb_usb_device * d,struct rtl28xxu_req * req)17 static int rtl28xxu_ctrl_msg(struct dvb_usb_device *d, struct rtl28xxu_req *req)
18 {
19 struct rtl28xxu_dev *dev = d->priv;
20 int ret;
21 unsigned int pipe;
22 u8 requesttype;
23
24 mutex_lock(&d->usb_mutex);
25
26 if (req->size > sizeof(dev->buf)) {
27 dev_err(&d->intf->dev, "too large message %u\n", req->size);
28 ret = -EINVAL;
29 goto err_mutex_unlock;
30 }
31
32 if (req->index & CMD_WR_FLAG) {
33 /* write */
34 memcpy(dev->buf, req->data, req->size);
35 requesttype = (USB_TYPE_VENDOR | USB_DIR_OUT);
36 pipe = usb_sndctrlpipe(d->udev, 0);
37 } else {
38 /* read */
39 requesttype = (USB_TYPE_VENDOR | USB_DIR_IN);
40
41 /*
42 * Zero-length transfers must use usb_sndctrlpipe() and
43 * rtl28xxu_identify_state() uses a zero-length i2c read
44 * command to determine the chip type.
45 */
46 if (req->size)
47 pipe = usb_rcvctrlpipe(d->udev, 0);
48 else
49 pipe = usb_sndctrlpipe(d->udev, 0);
50 }
51
52 ret = usb_control_msg(d->udev, pipe, 0, requesttype, req->value,
53 req->index, dev->buf, req->size, 1000);
54 dvb_usb_dbg_usb_control_msg(d->udev, 0, requesttype, req->value,
55 req->index, dev->buf, req->size);
56 if (ret < 0)
57 goto err_mutex_unlock;
58
59 /* read request, copy returned data to return buf */
60 if (requesttype == (USB_TYPE_VENDOR | USB_DIR_IN))
61 memcpy(req->data, dev->buf, req->size);
62
63 mutex_unlock(&d->usb_mutex);
64
65 return 0;
66 err_mutex_unlock:
67 mutex_unlock(&d->usb_mutex);
68 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
69 return ret;
70 }
71
rtl28xxu_wr_regs(struct dvb_usb_device * d,u16 reg,u8 * val,int len)72 static int rtl28xxu_wr_regs(struct dvb_usb_device *d, u16 reg, u8 *val, int len)
73 {
74 struct rtl28xxu_req req;
75
76 if (reg < 0x3000)
77 req.index = CMD_USB_WR;
78 else if (reg < 0x4000)
79 req.index = CMD_SYS_WR;
80 else
81 req.index = CMD_IR_WR;
82
83 req.value = reg;
84 req.size = len;
85 req.data = val;
86
87 return rtl28xxu_ctrl_msg(d, &req);
88 }
89
rtl28xxu_rd_regs(struct dvb_usb_device * d,u16 reg,u8 * val,int len)90 static int rtl28xxu_rd_regs(struct dvb_usb_device *d, u16 reg, u8 *val, int len)
91 {
92 struct rtl28xxu_req req;
93
94 if (reg < 0x3000)
95 req.index = CMD_USB_RD;
96 else if (reg < 0x4000)
97 req.index = CMD_SYS_RD;
98 else
99 req.index = CMD_IR_RD;
100
101 req.value = reg;
102 req.size = len;
103 req.data = val;
104
105 return rtl28xxu_ctrl_msg(d, &req);
106 }
107
rtl28xxu_wr_reg(struct dvb_usb_device * d,u16 reg,u8 val)108 static int rtl28xxu_wr_reg(struct dvb_usb_device *d, u16 reg, u8 val)
109 {
110 return rtl28xxu_wr_regs(d, reg, &val, 1);
111 }
112
rtl28xxu_rd_reg(struct dvb_usb_device * d,u16 reg,u8 * val)113 static int rtl28xxu_rd_reg(struct dvb_usb_device *d, u16 reg, u8 *val)
114 {
115 return rtl28xxu_rd_regs(d, reg, val, 1);
116 }
117
rtl28xxu_wr_reg_mask(struct dvb_usb_device * d,u16 reg,u8 val,u8 mask)118 static int rtl28xxu_wr_reg_mask(struct dvb_usb_device *d, u16 reg, u8 val,
119 u8 mask)
120 {
121 int ret;
122 u8 tmp;
123
124 /* no need for read if whole reg is written */
125 if (mask != 0xff) {
126 ret = rtl28xxu_rd_reg(d, reg, &tmp);
127 if (ret)
128 return ret;
129
130 val &= mask;
131 tmp &= ~mask;
132 val |= tmp;
133 }
134
135 return rtl28xxu_wr_reg(d, reg, val);
136 }
137
138 /* I2C */
rtl28xxu_i2c_xfer(struct i2c_adapter * adap,struct i2c_msg msg[],int num)139 static int rtl28xxu_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[],
140 int num)
141 {
142 int ret;
143 struct dvb_usb_device *d = i2c_get_adapdata(adap);
144 struct rtl28xxu_dev *dev = d->priv;
145 struct rtl28xxu_req req;
146
147 /*
148 * It is not known which are real I2C bus xfer limits, but testing
149 * with RTL2831U + MT2060 gives max RD 24 and max WR 22 bytes.
150 * TODO: find out RTL2832U lens
151 */
152
153 /*
154 * I2C adapter logic looks rather complicated due to fact it handles
155 * three different access methods. Those methods are;
156 * 1) integrated demod access
157 * 2) old I2C access
158 * 3) new I2C access
159 *
160 * Used method is selected in order 1, 2, 3. Method 3 can handle all
161 * requests but there is two reasons why not use it always;
162 * 1) It is most expensive, usually two USB messages are needed
163 * 2) At least RTL2831U does not support it
164 *
165 * Method 3 is needed in case of I2C write+read (typical register read)
166 * where write is more than one byte.
167 */
168
169 if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
170 return -EAGAIN;
171
172 if (num == 2 && !(msg[0].flags & I2C_M_RD) &&
173 (msg[1].flags & I2C_M_RD)) {
174 if (msg[0].len > 24 || msg[1].len > 24) {
175 /* TODO: check msg[0].len max */
176 ret = -EOPNOTSUPP;
177 goto err_mutex_unlock;
178 } else if (msg[0].addr == 0x10) {
179 /* method 1 - integrated demod */
180 if (msg[0].buf[0] == 0x00) {
181 /* return demod page from driver cache */
182 msg[1].buf[0] = dev->page;
183 ret = 0;
184 } else {
185 req.value = (msg[0].buf[0] << 8) | (msg[0].addr << 1);
186 req.index = CMD_DEMOD_RD | dev->page;
187 req.size = msg[1].len;
188 req.data = &msg[1].buf[0];
189 ret = rtl28xxu_ctrl_msg(d, &req);
190 }
191 } else if (msg[0].len < 2) {
192 /* method 2 - old I2C */
193 req.value = (msg[0].buf[0] << 8) | (msg[0].addr << 1);
194 req.index = CMD_I2C_RD;
195 req.size = msg[1].len;
196 req.data = &msg[1].buf[0];
197 ret = rtl28xxu_ctrl_msg(d, &req);
198 } else {
199 /* method 3 - new I2C */
200 req.value = (msg[0].addr << 1);
201 req.index = CMD_I2C_DA_WR;
202 req.size = msg[0].len;
203 req.data = msg[0].buf;
204 ret = rtl28xxu_ctrl_msg(d, &req);
205 if (ret)
206 goto err_mutex_unlock;
207
208 req.value = (msg[0].addr << 1);
209 req.index = CMD_I2C_DA_RD;
210 req.size = msg[1].len;
211 req.data = msg[1].buf;
212 ret = rtl28xxu_ctrl_msg(d, &req);
213 }
214 } else if (num == 1 && !(msg[0].flags & I2C_M_RD)) {
215 if (msg[0].len > 22) {
216 /* TODO: check msg[0].len max */
217 ret = -EOPNOTSUPP;
218 goto err_mutex_unlock;
219 } else if (msg[0].addr == 0x10) {
220 /* method 1 - integrated demod */
221 if (msg[0].buf[0] == 0x00) {
222 /* save demod page for later demod access */
223 dev->page = msg[0].buf[1];
224 ret = 0;
225 } else {
226 req.value = (msg[0].buf[0] << 8) |
227 (msg[0].addr << 1);
228 req.index = CMD_DEMOD_WR | dev->page;
229 req.size = msg[0].len-1;
230 req.data = &msg[0].buf[1];
231 ret = rtl28xxu_ctrl_msg(d, &req);
232 }
233 } else if ((msg[0].len < 23) && (!dev->new_i2c_write)) {
234 /* method 2 - old I2C */
235 req.value = (msg[0].buf[0] << 8) | (msg[0].addr << 1);
236 req.index = CMD_I2C_WR;
237 req.size = msg[0].len-1;
238 req.data = &msg[0].buf[1];
239 ret = rtl28xxu_ctrl_msg(d, &req);
240 } else {
241 /* method 3 - new I2C */
242 req.value = (msg[0].addr << 1);
243 req.index = CMD_I2C_DA_WR;
244 req.size = msg[0].len;
245 req.data = msg[0].buf;
246 ret = rtl28xxu_ctrl_msg(d, &req);
247 }
248 } else if (num == 1 && (msg[0].flags & I2C_M_RD)) {
249 req.value = (msg[0].addr << 1);
250 req.index = CMD_I2C_DA_RD;
251 req.size = msg[0].len;
252 req.data = msg[0].buf;
253 ret = rtl28xxu_ctrl_msg(d, &req);
254 } else {
255 ret = -EOPNOTSUPP;
256 }
257
258 /* Retry failed I2C messages */
259 if (ret == -EPIPE)
260 ret = -EAGAIN;
261
262 err_mutex_unlock:
263 mutex_unlock(&d->i2c_mutex);
264
265 return ret ? ret : num;
266 }
267
rtl28xxu_i2c_func(struct i2c_adapter * adapter)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
rtl2831u_read_config(struct dvb_usb_device * d)278 static int rtl2831u_read_config(struct dvb_usb_device *d)
279 {
280 struct rtl28xxu_dev *dev = 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->intf->dev, "\n");
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 = rtl28xxu_wr_reg(d, SYS_GPIO_DIR, 0x0a);
301 if (ret)
302 goto err;
303
304 /* enable as output GPIO0, GPIO2, GPIO4 */
305 ret = rtl28xxu_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 dev->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 dev->tuner = TUNER_RTL2830_QT1010;
328 dev->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 dev->tuner = TUNER_RTL2830_MT2060;
341 dev->tuner_name = "MT2060";
342 goto found;
343 }
344
345 /* assume MXL5005S */
346 dev->tuner = TUNER_RTL2830_MXL5005S;
347 dev->tuner_name = "MXL5005S";
348 goto found;
349
350 found:
351 dev_dbg(&d->intf->dev, "tuner=%s\n", dev->tuner_name);
352
353 return 0;
354 err:
355 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
356 return ret;
357 }
358
rtl2832u_read_config(struct dvb_usb_device * d)359 static int rtl2832u_read_config(struct dvb_usb_device *d)
360 {
361 struct rtl28xxu_dev *dev = 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 struct rtl28xxu_req req_mn88472 = {0xff38, CMD_I2C_RD, 1, buf};
382 struct rtl28xxu_req req_mn88473 = {0xff38, CMD_I2C_RD, 1, buf};
383 struct rtl28xxu_req req_cxd2837er = {0xfdd8, CMD_I2C_RD, 1, buf};
384 struct rtl28xxu_req req_si2157 = {0x00c0, CMD_I2C_RD, 1, buf};
385 struct rtl28xxu_req req_si2168 = {0x00c8, CMD_I2C_RD, 1, buf};
386
387 dev_dbg(&d->intf->dev, "\n");
388
389 /* enable GPIO3 and GPIO6 as output */
390 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_DIR, 0x00, 0x40);
391 if (ret)
392 goto err;
393
394 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x48, 0x48);
395 if (ret)
396 goto err;
397
398 /*
399 * Probe used tuner. We need to know used tuner before demod attach
400 * since there is some demod params needed to set according to tuner.
401 */
402
403 /* open demod I2C gate */
404 ret = rtl28xxu_ctrl_msg(d, &req_gate_open);
405 if (ret)
406 goto err;
407
408 dev->tuner_name = "NONE";
409
410 /* check FC0012 ID register; reg=00 val=a1 */
411 ret = rtl28xxu_ctrl_msg(d, &req_fc0012);
412 if (ret == 0 && buf[0] == 0xa1) {
413 dev->tuner = TUNER_RTL2832_FC0012;
414 dev->tuner_name = "FC0012";
415 goto tuner_found;
416 }
417
418 /* check FC0013 ID register; reg=00 val=a3 */
419 ret = rtl28xxu_ctrl_msg(d, &req_fc0013);
420 if (ret == 0 && buf[0] == 0xa3) {
421 dev->tuner = TUNER_RTL2832_FC0013;
422 dev->tuner_name = "FC0013";
423 goto tuner_found;
424 }
425
426 /* check MT2266 ID register; reg=00 val=85 */
427 ret = rtl28xxu_ctrl_msg(d, &req_mt2266);
428 if (ret == 0 && buf[0] == 0x85) {
429 dev->tuner = TUNER_RTL2832_MT2266;
430 dev->tuner_name = "MT2266";
431 goto tuner_found;
432 }
433
434 /* check FC2580 ID register; reg=01 val=56 */
435 ret = rtl28xxu_ctrl_msg(d, &req_fc2580);
436 if (ret == 0 && buf[0] == 0x56) {
437 dev->tuner = TUNER_RTL2832_FC2580;
438 dev->tuner_name = "FC2580";
439 goto tuner_found;
440 }
441
442 /* check MT2063 ID register; reg=00 val=9e || 9c */
443 ret = rtl28xxu_ctrl_msg(d, &req_mt2063);
444 if (ret == 0 && (buf[0] == 0x9e || buf[0] == 0x9c)) {
445 dev->tuner = TUNER_RTL2832_MT2063;
446 dev->tuner_name = "MT2063";
447 goto tuner_found;
448 }
449
450 /* check MAX3543 ID register; reg=00 val=38 */
451 ret = rtl28xxu_ctrl_msg(d, &req_max3543);
452 if (ret == 0 && buf[0] == 0x38) {
453 dev->tuner = TUNER_RTL2832_MAX3543;
454 dev->tuner_name = "MAX3543";
455 goto tuner_found;
456 }
457
458 /* check TUA9001 ID register; reg=7e val=2328 */
459 ret = rtl28xxu_ctrl_msg(d, &req_tua9001);
460 if (ret == 0 && buf[0] == 0x23 && buf[1] == 0x28) {
461 dev->tuner = TUNER_RTL2832_TUA9001;
462 dev->tuner_name = "TUA9001";
463 goto tuner_found;
464 }
465
466 /* check MXL5007R ID register; reg=d9 val=14 */
467 ret = rtl28xxu_ctrl_msg(d, &req_mxl5007t);
468 if (ret == 0 && buf[0] == 0x14) {
469 dev->tuner = TUNER_RTL2832_MXL5007T;
470 dev->tuner_name = "MXL5007T";
471 goto tuner_found;
472 }
473
474 /* check E4000 ID register; reg=02 val=40 */
475 ret = rtl28xxu_ctrl_msg(d, &req_e4000);
476 if (ret == 0 && buf[0] == 0x40) {
477 dev->tuner = TUNER_RTL2832_E4000;
478 dev->tuner_name = "E4000";
479 goto tuner_found;
480 }
481
482 /* check TDA18272 ID register; reg=00 val=c760 */
483 ret = rtl28xxu_ctrl_msg(d, &req_tda18272);
484 if (ret == 0 && (buf[0] == 0xc7 || buf[1] == 0x60)) {
485 dev->tuner = TUNER_RTL2832_TDA18272;
486 dev->tuner_name = "TDA18272";
487 goto tuner_found;
488 }
489
490 /* check R820T ID register; reg=00 val=69 */
491 ret = rtl28xxu_ctrl_msg(d, &req_r820t);
492 if (ret == 0 && buf[0] == 0x69) {
493 dev->tuner = TUNER_RTL2832_R820T;
494 dev->tuner_name = "R820T";
495 goto tuner_found;
496 }
497
498 /* check R828D ID register; reg=00 val=69 */
499 ret = rtl28xxu_ctrl_msg(d, &req_r828d);
500 if (ret == 0 && buf[0] == 0x69) {
501 dev->tuner = TUNER_RTL2832_R828D;
502 dev->tuner_name = "R828D";
503 goto tuner_found;
504 }
505
506 /* GPIO0 and GPIO5 to reset Si2157/Si2168 tuner and demod */
507 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x00, 0x21);
508 if (ret)
509 goto err;
510
511 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x00, 0x21);
512 if (ret)
513 goto err;
514
515 msleep(50);
516
517 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x21, 0x21);
518 if (ret)
519 goto err;
520
521 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x21, 0x21);
522 if (ret)
523 goto err;
524
525 msleep(50);
526
527 /* check Si2157 ID register; reg=c0 val=80 */
528 ret = rtl28xxu_ctrl_msg(d, &req_si2157);
529 if (ret == 0 && ((buf[0] & 0x80) == 0x80)) {
530 dev->tuner = TUNER_RTL2832_SI2157;
531 dev->tuner_name = "SI2157";
532 goto tuner_found;
533 }
534
535 tuner_found:
536 dev_dbg(&d->intf->dev, "tuner=%s\n", dev->tuner_name);
537
538 /* probe slave demod */
539 if (dev->tuner == TUNER_RTL2832_R828D) {
540 /* power off slave demod on GPIO0 to reset CXD2837ER */
541 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x00, 0x01);
542 if (ret)
543 goto err;
544
545 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x00, 0x01);
546 if (ret)
547 goto err;
548
549 msleep(50);
550
551 /* power on slave demod on GPIO0 */
552 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x01, 0x01);
553 if (ret)
554 goto err;
555
556 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_DIR, 0x00, 0x01);
557 if (ret)
558 goto err;
559
560 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x01, 0x01);
561 if (ret)
562 goto err;
563
564 /* slave demod needs some time to wake up */
565 msleep(20);
566
567 /* check slave answers */
568 ret = rtl28xxu_ctrl_msg(d, &req_mn88472);
569 if (ret == 0 && buf[0] == 0x02) {
570 dev_dbg(&d->intf->dev, "MN88472 found\n");
571 dev->slave_demod = SLAVE_DEMOD_MN88472;
572 goto demod_found;
573 }
574
575 ret = rtl28xxu_ctrl_msg(d, &req_mn88473);
576 if (ret == 0 && buf[0] == 0x03) {
577 dev_dbg(&d->intf->dev, "MN88473 found\n");
578 dev->slave_demod = SLAVE_DEMOD_MN88473;
579 goto demod_found;
580 }
581
582 ret = rtl28xxu_ctrl_msg(d, &req_cxd2837er);
583 if (ret == 0 && buf[0] == 0xb1) {
584 dev_dbg(&d->intf->dev, "CXD2837ER found\n");
585 dev->slave_demod = SLAVE_DEMOD_CXD2837ER;
586 goto demod_found;
587 }
588 }
589 if (dev->tuner == TUNER_RTL2832_SI2157) {
590 /* check Si2168 ID register; reg=c8 val=80 */
591 ret = rtl28xxu_ctrl_msg(d, &req_si2168);
592 if (ret == 0 && ((buf[0] & 0x80) == 0x80)) {
593 dev_dbg(&d->intf->dev, "Si2168 found\n");
594 dev->slave_demod = SLAVE_DEMOD_SI2168;
595 goto demod_found;
596 }
597 }
598
599 demod_found:
600 /* close demod I2C gate */
601 ret = rtl28xxu_ctrl_msg(d, &req_gate_close);
602 if (ret < 0)
603 goto err;
604
605 return 0;
606 err:
607 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
608 return ret;
609 }
610
rtl28xxu_read_config(struct dvb_usb_device * d)611 static int rtl28xxu_read_config(struct dvb_usb_device *d)
612 {
613 struct rtl28xxu_dev *dev = d_to_priv(d);
614
615 if (dev->chip_id == CHIP_ID_RTL2831U)
616 return rtl2831u_read_config(d);
617 else
618 return rtl2832u_read_config(d);
619 }
620
rtl28xxu_identify_state(struct dvb_usb_device * d,const char ** name)621 static int rtl28xxu_identify_state(struct dvb_usb_device *d, const char **name)
622 {
623 struct rtl28xxu_dev *dev = d_to_priv(d);
624 int ret;
625 struct rtl28xxu_req req_demod_i2c = {0x0020, CMD_I2C_DA_RD, 0, NULL};
626
627 dev_dbg(&d->intf->dev, "\n");
628
629 /*
630 * Detect chip type using I2C command that is not supported
631 * by old RTL2831U.
632 */
633 ret = rtl28xxu_ctrl_msg(d, &req_demod_i2c);
634 if (ret == -EPIPE) {
635 dev->chip_id = CHIP_ID_RTL2831U;
636 } else if (ret == 0) {
637 dev->chip_id = CHIP_ID_RTL2832U;
638 } else {
639 dev_err(&d->intf->dev, "chip type detection failed %d\n", ret);
640 goto err;
641 }
642 dev_dbg(&d->intf->dev, "chip_id=%u\n", dev->chip_id);
643
644 /* Retry failed I2C messages */
645 d->i2c_adap.retries = 3;
646 d->i2c_adap.timeout = msecs_to_jiffies(10);
647
648 return WARM;
649 err:
650 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
651 return ret;
652 }
653
654 static const struct rtl2830_platform_data rtl2830_mt2060_platform_data = {
655 .clk = 28800000,
656 .spec_inv = 1,
657 .vtop = 0x20,
658 .krf = 0x04,
659 .agc_targ_val = 0x2d,
660
661 };
662
663 static const struct rtl2830_platform_data rtl2830_qt1010_platform_data = {
664 .clk = 28800000,
665 .spec_inv = 1,
666 .vtop = 0x20,
667 .krf = 0x04,
668 .agc_targ_val = 0x2d,
669 };
670
671 static const struct rtl2830_platform_data rtl2830_mxl5005s_platform_data = {
672 .clk = 28800000,
673 .spec_inv = 0,
674 .vtop = 0x3f,
675 .krf = 0x04,
676 .agc_targ_val = 0x3e,
677 };
678
rtl2831u_frontend_attach(struct dvb_usb_adapter * adap)679 static int rtl2831u_frontend_attach(struct dvb_usb_adapter *adap)
680 {
681 struct dvb_usb_device *d = adap_to_d(adap);
682 struct rtl28xxu_dev *dev = d_to_priv(d);
683 struct rtl2830_platform_data *pdata = &dev->rtl2830_platform_data;
684 struct i2c_board_info board_info;
685 struct i2c_client *client;
686 int ret;
687
688 dev_dbg(&d->intf->dev, "\n");
689
690 switch (dev->tuner) {
691 case TUNER_RTL2830_QT1010:
692 *pdata = rtl2830_qt1010_platform_data;
693 break;
694 case TUNER_RTL2830_MT2060:
695 *pdata = rtl2830_mt2060_platform_data;
696 break;
697 case TUNER_RTL2830_MXL5005S:
698 *pdata = rtl2830_mxl5005s_platform_data;
699 break;
700 default:
701 dev_err(&d->intf->dev, "unknown tuner %s\n", dev->tuner_name);
702 ret = -ENODEV;
703 goto err;
704 }
705
706 /* attach demodulator */
707 memset(&board_info, 0, sizeof(board_info));
708 strscpy(board_info.type, "rtl2830", I2C_NAME_SIZE);
709 board_info.addr = 0x10;
710 board_info.platform_data = pdata;
711 request_module("%s", board_info.type);
712 client = i2c_new_client_device(&d->i2c_adap, &board_info);
713 if (!i2c_client_has_driver(client)) {
714 ret = -ENODEV;
715 goto err;
716 }
717
718 if (!try_module_get(client->dev.driver->owner)) {
719 i2c_unregister_device(client);
720 ret = -ENODEV;
721 goto err;
722 }
723
724 adap->fe[0] = pdata->get_dvb_frontend(client);
725 dev->demod_i2c_adapter = pdata->get_i2c_adapter(client);
726
727 dev->i2c_client_demod = client;
728
729 return 0;
730 err:
731 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
732 return ret;
733 }
734
735 static const struct rtl2832_platform_data rtl2832_fc2580_platform_data = {
736 .clk = 28800000,
737 .tuner = TUNER_RTL2832_FC2580,
738 };
739
740 static const struct rtl2832_platform_data rtl2832_fc0012_platform_data = {
741 .clk = 28800000,
742 .tuner = TUNER_RTL2832_FC0012
743 };
744
745 static const struct rtl2832_platform_data rtl2832_fc0013_platform_data = {
746 .clk = 28800000,
747 .tuner = TUNER_RTL2832_FC0013
748 };
749
750 static const struct rtl2832_platform_data rtl2832_tua9001_platform_data = {
751 .clk = 28800000,
752 .tuner = TUNER_RTL2832_TUA9001,
753 };
754
755 static const struct rtl2832_platform_data rtl2832_e4000_platform_data = {
756 .clk = 28800000,
757 .tuner = TUNER_RTL2832_E4000,
758 };
759
760 static const struct rtl2832_platform_data rtl2832_r820t_platform_data = {
761 .clk = 28800000,
762 .tuner = TUNER_RTL2832_R820T,
763 };
764
765 static const struct rtl2832_platform_data rtl2832_si2157_platform_data = {
766 .clk = 28800000,
767 .tuner = TUNER_RTL2832_SI2157,
768 };
769
rtl2832u_fc0012_tuner_callback(struct dvb_usb_device * d,int cmd,int arg)770 static int rtl2832u_fc0012_tuner_callback(struct dvb_usb_device *d,
771 int cmd, int arg)
772 {
773 int ret;
774 u8 val;
775
776 dev_dbg(&d->intf->dev, "cmd=%d arg=%d\n", cmd, arg);
777
778 switch (cmd) {
779 case FC_FE_CALLBACK_VHF_ENABLE:
780 /* set output values */
781 ret = rtl28xxu_rd_reg(d, SYS_GPIO_OUT_VAL, &val);
782 if (ret)
783 goto err;
784
785 if (arg)
786 val &= 0xbf; /* set GPIO6 low */
787 else
788 val |= 0x40; /* set GPIO6 high */
789
790
791 ret = rtl28xxu_wr_reg(d, SYS_GPIO_OUT_VAL, val);
792 if (ret)
793 goto err;
794 break;
795 default:
796 ret = -EINVAL;
797 goto err;
798 }
799 return 0;
800 err:
801 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
802 return ret;
803 }
804
rtl2832u_tua9001_tuner_callback(struct dvb_usb_device * d,int cmd,int arg)805 static int rtl2832u_tua9001_tuner_callback(struct dvb_usb_device *d,
806 int cmd, int arg)
807 {
808 int ret;
809 u8 val;
810
811 dev_dbg(&d->intf->dev, "cmd=%d arg=%d\n", cmd, arg);
812
813 /*
814 * CEN always enabled by hardware wiring
815 * RESETN GPIO4
816 * RXEN GPIO1
817 */
818
819 switch (cmd) {
820 case TUA9001_CMD_RESETN:
821 if (arg)
822 val = (1 << 4);
823 else
824 val = (0 << 4);
825
826 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, val, 0x10);
827 if (ret)
828 goto err;
829 break;
830 case TUA9001_CMD_RXEN:
831 if (arg)
832 val = (1 << 1);
833 else
834 val = (0 << 1);
835
836 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, val, 0x02);
837 if (ret)
838 goto err;
839 break;
840 }
841
842 return 0;
843 err:
844 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
845 return ret;
846 }
847
rtl2832u_frontend_callback(void * adapter_priv,int component,int cmd,int arg)848 static int rtl2832u_frontend_callback(void *adapter_priv, int component,
849 int cmd, int arg)
850 {
851 struct i2c_adapter *adapter = adapter_priv;
852 struct device *parent = adapter->dev.parent;
853 struct i2c_adapter *parent_adapter;
854 struct dvb_usb_device *d;
855 struct rtl28xxu_dev *dev;
856
857 /*
858 * All tuners are connected to demod muxed I2C adapter. We have to
859 * resolve its parent adapter in order to get handle for this driver
860 * private data. That is a bit hackish solution, GPIO or direct driver
861 * callback would be better...
862 */
863 if (parent != NULL && parent->type == &i2c_adapter_type)
864 parent_adapter = to_i2c_adapter(parent);
865 else
866 return -EINVAL;
867
868 d = i2c_get_adapdata(parent_adapter);
869 dev = d->priv;
870
871 dev_dbg(&d->intf->dev, "component=%d cmd=%d arg=%d\n",
872 component, cmd, arg);
873
874 switch (component) {
875 case DVB_FRONTEND_COMPONENT_TUNER:
876 switch (dev->tuner) {
877 case TUNER_RTL2832_FC0012:
878 return rtl2832u_fc0012_tuner_callback(d, cmd, arg);
879 case TUNER_RTL2832_TUA9001:
880 return rtl2832u_tua9001_tuner_callback(d, cmd, arg);
881 }
882 }
883
884 return 0;
885 }
886
rtl2832u_frontend_attach(struct dvb_usb_adapter * adap)887 static int rtl2832u_frontend_attach(struct dvb_usb_adapter *adap)
888 {
889 struct dvb_usb_device *d = adap_to_d(adap);
890 struct rtl28xxu_dev *dev = d_to_priv(d);
891 struct rtl2832_platform_data *pdata = &dev->rtl2832_platform_data;
892 struct i2c_board_info board_info;
893 struct i2c_client *client;
894 int ret;
895
896 dev_dbg(&d->intf->dev, "\n");
897
898 switch (dev->tuner) {
899 case TUNER_RTL2832_FC0012:
900 *pdata = rtl2832_fc0012_platform_data;
901 break;
902 case TUNER_RTL2832_FC0013:
903 *pdata = rtl2832_fc0013_platform_data;
904 break;
905 case TUNER_RTL2832_FC2580:
906 *pdata = rtl2832_fc2580_platform_data;
907 break;
908 case TUNER_RTL2832_TUA9001:
909 *pdata = rtl2832_tua9001_platform_data;
910 break;
911 case TUNER_RTL2832_E4000:
912 *pdata = rtl2832_e4000_platform_data;
913 break;
914 case TUNER_RTL2832_R820T:
915 case TUNER_RTL2832_R828D:
916 *pdata = rtl2832_r820t_platform_data;
917 break;
918 case TUNER_RTL2832_SI2157:
919 *pdata = rtl2832_si2157_platform_data;
920 break;
921 default:
922 dev_err(&d->intf->dev, "unknown tuner %s\n", dev->tuner_name);
923 ret = -ENODEV;
924 goto err;
925 }
926
927 /* attach demodulator */
928 memset(&board_info, 0, sizeof(board_info));
929 strscpy(board_info.type, "rtl2832", I2C_NAME_SIZE);
930 board_info.addr = 0x10;
931 board_info.platform_data = pdata;
932 request_module("%s", board_info.type);
933 client = i2c_new_client_device(&d->i2c_adap, &board_info);
934 if (!i2c_client_has_driver(client)) {
935 ret = -ENODEV;
936 goto err;
937 }
938
939 if (!try_module_get(client->dev.driver->owner)) {
940 i2c_unregister_device(client);
941 ret = -ENODEV;
942 goto err;
943 }
944
945 adap->fe[0] = pdata->get_dvb_frontend(client);
946 dev->demod_i2c_adapter = pdata->get_i2c_adapter(client);
947
948 dev->i2c_client_demod = client;
949
950 /* set fe callback */
951 adap->fe[0]->callback = rtl2832u_frontend_callback;
952
953 if (dev->slave_demod) {
954 struct i2c_board_info info = {};
955
956 /*
957 * We continue on reduced mode, without DVB-T2/C, using master
958 * demod, when slave demod fails.
959 */
960 ret = 0;
961
962 /* attach slave demodulator */
963 if (dev->slave_demod == SLAVE_DEMOD_MN88472) {
964 struct mn88472_config mn88472_config = {};
965
966 mn88472_config.fe = &adap->fe[1];
967 mn88472_config.i2c_wr_max = 22,
968 strscpy(info.type, "mn88472", I2C_NAME_SIZE);
969 mn88472_config.xtal = 20500000;
970 mn88472_config.ts_mode = SERIAL_TS_MODE;
971 mn88472_config.ts_clock = VARIABLE_TS_CLOCK;
972 info.addr = 0x18;
973 info.platform_data = &mn88472_config;
974 request_module(info.type);
975 client = i2c_new_client_device(&d->i2c_adap, &info);
976 if (!i2c_client_has_driver(client)) {
977 dev->slave_demod = SLAVE_DEMOD_NONE;
978 goto err_slave_demod_failed;
979 }
980
981 if (!try_module_get(client->dev.driver->owner)) {
982 i2c_unregister_device(client);
983 dev->slave_demod = SLAVE_DEMOD_NONE;
984 goto err_slave_demod_failed;
985 }
986
987 dev->i2c_client_slave_demod = client;
988 } else if (dev->slave_demod == SLAVE_DEMOD_MN88473) {
989 struct mn88473_config mn88473_config = {};
990
991 mn88473_config.fe = &adap->fe[1];
992 mn88473_config.i2c_wr_max = 22,
993 strscpy(info.type, "mn88473", I2C_NAME_SIZE);
994 info.addr = 0x18;
995 info.platform_data = &mn88473_config;
996 request_module(info.type);
997 client = i2c_new_client_device(&d->i2c_adap, &info);
998 if (!i2c_client_has_driver(client)) {
999 dev->slave_demod = SLAVE_DEMOD_NONE;
1000 goto err_slave_demod_failed;
1001 }
1002
1003 if (!try_module_get(client->dev.driver->owner)) {
1004 i2c_unregister_device(client);
1005 dev->slave_demod = SLAVE_DEMOD_NONE;
1006 goto err_slave_demod_failed;
1007 }
1008
1009 dev->i2c_client_slave_demod = client;
1010 } else if (dev->slave_demod == SLAVE_DEMOD_CXD2837ER) {
1011 struct cxd2841er_config cxd2837er_config = {};
1012
1013 cxd2837er_config.i2c_addr = 0xd8;
1014 cxd2837er_config.xtal = SONY_XTAL_20500;
1015 cxd2837er_config.flags = (CXD2841ER_AUTO_IFHZ |
1016 CXD2841ER_NO_AGCNEG | CXD2841ER_TSBITS |
1017 CXD2841ER_EARLY_TUNE | CXD2841ER_TS_SERIAL);
1018 adap->fe[1] = dvb_attach(cxd2841er_attach_t_c,
1019 &cxd2837er_config,
1020 &d->i2c_adap);
1021 if (!adap->fe[1]) {
1022 dev->slave_demod = SLAVE_DEMOD_NONE;
1023 goto err_slave_demod_failed;
1024 }
1025 adap->fe[1]->id = 1;
1026 dev->i2c_client_slave_demod = NULL;
1027 } else {
1028 struct si2168_config si2168_config = {};
1029 struct i2c_adapter *adapter;
1030
1031 si2168_config.i2c_adapter = &adapter;
1032 si2168_config.fe = &adap->fe[1];
1033 si2168_config.ts_mode = SI2168_TS_SERIAL;
1034 si2168_config.ts_clock_inv = false;
1035 si2168_config.ts_clock_gapped = true;
1036 strscpy(info.type, "si2168", I2C_NAME_SIZE);
1037 info.addr = 0x64;
1038 info.platform_data = &si2168_config;
1039 request_module(info.type);
1040 client = i2c_new_client_device(&d->i2c_adap, &info);
1041 if (!i2c_client_has_driver(client)) {
1042 dev->slave_demod = SLAVE_DEMOD_NONE;
1043 goto err_slave_demod_failed;
1044 }
1045
1046 if (!try_module_get(client->dev.driver->owner)) {
1047 i2c_unregister_device(client);
1048 dev->slave_demod = SLAVE_DEMOD_NONE;
1049 goto err_slave_demod_failed;
1050 }
1051
1052 dev->i2c_client_slave_demod = client;
1053
1054 /* for Si2168 devices use only new I2C write method */
1055 dev->new_i2c_write = true;
1056 }
1057 }
1058 return 0;
1059 err_slave_demod_failed:
1060 err:
1061 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1062 return ret;
1063 }
1064
rtl28xxu_frontend_attach(struct dvb_usb_adapter * adap)1065 static int rtl28xxu_frontend_attach(struct dvb_usb_adapter *adap)
1066 {
1067 struct rtl28xxu_dev *dev = adap_to_priv(adap);
1068
1069 if (dev->chip_id == CHIP_ID_RTL2831U)
1070 return rtl2831u_frontend_attach(adap);
1071 else
1072 return rtl2832u_frontend_attach(adap);
1073 }
1074
rtl28xxu_frontend_detach(struct dvb_usb_adapter * adap)1075 static int rtl28xxu_frontend_detach(struct dvb_usb_adapter *adap)
1076 {
1077 struct dvb_usb_device *d = adap_to_d(adap);
1078 struct rtl28xxu_dev *dev = d_to_priv(d);
1079 struct i2c_client *client;
1080
1081 dev_dbg(&d->intf->dev, "\n");
1082
1083 /* remove I2C slave demod */
1084 client = dev->i2c_client_slave_demod;
1085 if (client) {
1086 module_put(client->dev.driver->owner);
1087 i2c_unregister_device(client);
1088 }
1089
1090 /* remove I2C demod */
1091 client = dev->i2c_client_demod;
1092 if (client) {
1093 module_put(client->dev.driver->owner);
1094 i2c_unregister_device(client);
1095 }
1096
1097 return 0;
1098 }
1099
1100 static struct qt1010_config rtl28xxu_qt1010_config = {
1101 .i2c_address = 0x62, /* 0xc4 */
1102 };
1103
1104 static struct mt2060_config rtl28xxu_mt2060_config = {
1105 .i2c_address = 0x60, /* 0xc0 */
1106 .clock_out = 0,
1107 };
1108
1109 static struct mxl5005s_config rtl28xxu_mxl5005s_config = {
1110 .i2c_address = 0x63, /* 0xc6 */
1111 .if_freq = IF_FREQ_4570000HZ,
1112 .xtal_freq = CRYSTAL_FREQ_16000000HZ,
1113 .agc_mode = MXL_SINGLE_AGC,
1114 .tracking_filter = MXL_TF_C_H,
1115 .rssi_enable = MXL_RSSI_ENABLE,
1116 .cap_select = MXL_CAP_SEL_ENABLE,
1117 .div_out = MXL_DIV_OUT_4,
1118 .clock_out = MXL_CLOCK_OUT_DISABLE,
1119 .output_load = MXL5005S_IF_OUTPUT_LOAD_200_OHM,
1120 .top = MXL5005S_TOP_25P2,
1121 .mod_mode = MXL_DIGITAL_MODE,
1122 .if_mode = MXL_ZERO_IF,
1123 .AgcMasterByte = 0x00,
1124 };
1125
rtl2831u_tuner_attach(struct dvb_usb_adapter * adap)1126 static int rtl2831u_tuner_attach(struct dvb_usb_adapter *adap)
1127 {
1128 int ret;
1129 struct dvb_usb_device *d = adap_to_d(adap);
1130 struct rtl28xxu_dev *dev = d_to_priv(d);
1131 struct dvb_frontend *fe;
1132
1133 dev_dbg(&d->intf->dev, "\n");
1134
1135 switch (dev->tuner) {
1136 case TUNER_RTL2830_QT1010:
1137 fe = dvb_attach(qt1010_attach, adap->fe[0],
1138 dev->demod_i2c_adapter,
1139 &rtl28xxu_qt1010_config);
1140 break;
1141 case TUNER_RTL2830_MT2060:
1142 fe = dvb_attach(mt2060_attach, adap->fe[0],
1143 dev->demod_i2c_adapter,
1144 &rtl28xxu_mt2060_config, 1220);
1145 break;
1146 case TUNER_RTL2830_MXL5005S:
1147 fe = dvb_attach(mxl5005s_attach, adap->fe[0],
1148 dev->demod_i2c_adapter,
1149 &rtl28xxu_mxl5005s_config);
1150 break;
1151 default:
1152 fe = NULL;
1153 dev_err(&d->intf->dev, "unknown tuner %d\n", dev->tuner);
1154 }
1155
1156 if (fe == NULL) {
1157 ret = -ENODEV;
1158 goto err;
1159 }
1160
1161 return 0;
1162 err:
1163 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1164 return ret;
1165 }
1166
1167 static const struct fc0012_config rtl2832u_fc0012_config = {
1168 .i2c_address = 0x63, /* 0xc6 >> 1 */
1169 .xtal_freq = FC_XTAL_28_8_MHZ,
1170 };
1171
1172 static const struct r820t_config rtl2832u_r820t_config = {
1173 .i2c_addr = 0x1a,
1174 .xtal = 28800000,
1175 .max_i2c_msg_len = 2,
1176 .rafael_chip = CHIP_R820T,
1177 };
1178
1179 static const struct r820t_config rtl2832u_r828d_config = {
1180 .i2c_addr = 0x3a,
1181 .xtal = 16000000,
1182 .max_i2c_msg_len = 2,
1183 .rafael_chip = CHIP_R828D,
1184 };
1185
rtl2832u_tuner_attach(struct dvb_usb_adapter * adap)1186 static int rtl2832u_tuner_attach(struct dvb_usb_adapter *adap)
1187 {
1188 int ret;
1189 struct dvb_usb_device *d = adap_to_d(adap);
1190 struct rtl28xxu_dev *dev = d_to_priv(d);
1191 struct dvb_frontend *fe = NULL;
1192 struct i2c_board_info info;
1193 struct i2c_client *client;
1194 struct v4l2_subdev *subdev = NULL;
1195 struct platform_device *pdev;
1196 struct rtl2832_sdr_platform_data pdata;
1197
1198 dev_dbg(&d->intf->dev, "\n");
1199
1200 memset(&info, 0, sizeof(struct i2c_board_info));
1201 memset(&pdata, 0, sizeof(pdata));
1202
1203 switch (dev->tuner) {
1204 case TUNER_RTL2832_FC0012:
1205 fe = dvb_attach(fc0012_attach, adap->fe[0],
1206 dev->demod_i2c_adapter, &rtl2832u_fc0012_config);
1207
1208 /* since fc0012 includs reading the signal strength delegate
1209 * that to the tuner driver */
1210 adap->fe[0]->ops.read_signal_strength =
1211 adap->fe[0]->ops.tuner_ops.get_rf_strength;
1212 break;
1213 case TUNER_RTL2832_FC0013:
1214 fe = dvb_attach(fc0013_attach, adap->fe[0],
1215 dev->demod_i2c_adapter, 0xc6>>1, 0, FC_XTAL_28_8_MHZ);
1216
1217 /* fc0013 also supports signal strength reading */
1218 adap->fe[0]->ops.read_signal_strength =
1219 adap->fe[0]->ops.tuner_ops.get_rf_strength;
1220 break;
1221 case TUNER_RTL2832_E4000: {
1222 struct e4000_config e4000_config = {
1223 .fe = adap->fe[0],
1224 .clock = 28800000,
1225 };
1226
1227 strscpy(info.type, "e4000", I2C_NAME_SIZE);
1228 info.addr = 0x64;
1229 info.platform_data = &e4000_config;
1230
1231 request_module(info.type);
1232 client = i2c_new_client_device(dev->demod_i2c_adapter,
1233 &info);
1234 if (!i2c_client_has_driver(client))
1235 break;
1236
1237 if (!try_module_get(client->dev.driver->owner)) {
1238 i2c_unregister_device(client);
1239 break;
1240 }
1241
1242 dev->i2c_client_tuner = client;
1243 subdev = i2c_get_clientdata(client);
1244 }
1245 break;
1246 case TUNER_RTL2832_FC2580: {
1247 struct fc2580_platform_data fc2580_pdata = {
1248 .dvb_frontend = adap->fe[0],
1249 };
1250 struct i2c_board_info board_info = {};
1251
1252 strscpy(board_info.type, "fc2580", I2C_NAME_SIZE);
1253 board_info.addr = 0x56;
1254 board_info.platform_data = &fc2580_pdata;
1255 request_module("fc2580");
1256 client = i2c_new_client_device(dev->demod_i2c_adapter,
1257 &board_info);
1258 if (!i2c_client_has_driver(client))
1259 break;
1260 if (!try_module_get(client->dev.driver->owner)) {
1261 i2c_unregister_device(client);
1262 break;
1263 }
1264 dev->i2c_client_tuner = client;
1265 subdev = fc2580_pdata.get_v4l2_subdev(client);
1266 }
1267 break;
1268 case TUNER_RTL2832_TUA9001: {
1269 struct tua9001_platform_data tua9001_pdata = {
1270 .dvb_frontend = adap->fe[0],
1271 };
1272 struct i2c_board_info board_info = {};
1273
1274 /* enable GPIO1 and GPIO4 as output */
1275 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_DIR, 0x00, 0x12);
1276 if (ret)
1277 goto err;
1278
1279 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x12, 0x12);
1280 if (ret)
1281 goto err;
1282
1283 strscpy(board_info.type, "tua9001", I2C_NAME_SIZE);
1284 board_info.addr = 0x60;
1285 board_info.platform_data = &tua9001_pdata;
1286 request_module("tua9001");
1287 client = i2c_new_client_device(dev->demod_i2c_adapter,
1288 &board_info);
1289 if (!i2c_client_has_driver(client))
1290 break;
1291 if (!try_module_get(client->dev.driver->owner)) {
1292 i2c_unregister_device(client);
1293 break;
1294 }
1295 dev->i2c_client_tuner = client;
1296 break;
1297 }
1298 case TUNER_RTL2832_R820T:
1299 fe = dvb_attach(r820t_attach, adap->fe[0],
1300 dev->demod_i2c_adapter,
1301 &rtl2832u_r820t_config);
1302
1303 /* Use tuner to get the signal strength */
1304 adap->fe[0]->ops.read_signal_strength =
1305 adap->fe[0]->ops.tuner_ops.get_rf_strength;
1306 break;
1307 case TUNER_RTL2832_R828D:
1308 fe = dvb_attach(r820t_attach, adap->fe[0],
1309 dev->demod_i2c_adapter,
1310 &rtl2832u_r828d_config);
1311 adap->fe[0]->ops.read_signal_strength =
1312 adap->fe[0]->ops.tuner_ops.get_rf_strength;
1313
1314 if (adap->fe[1]) {
1315 fe = dvb_attach(r820t_attach, adap->fe[1],
1316 dev->demod_i2c_adapter,
1317 &rtl2832u_r828d_config);
1318 adap->fe[1]->ops.read_signal_strength =
1319 adap->fe[1]->ops.tuner_ops.get_rf_strength;
1320 }
1321 break;
1322 case TUNER_RTL2832_SI2157: {
1323 struct si2157_config si2157_config = {
1324 .fe = adap->fe[0],
1325 .if_port = 0,
1326 .inversion = false,
1327 };
1328
1329 strscpy(info.type, "si2157", I2C_NAME_SIZE);
1330 info.addr = 0x60;
1331 info.platform_data = &si2157_config;
1332 request_module(info.type);
1333 client = i2c_new_client_device(&d->i2c_adap, &info);
1334 if (!i2c_client_has_driver(client))
1335 break;
1336
1337 if (!try_module_get(client->dev.driver->owner)) {
1338 i2c_unregister_device(client);
1339 break;
1340 }
1341
1342 dev->i2c_client_tuner = client;
1343 subdev = i2c_get_clientdata(client);
1344
1345 /* copy tuner ops for 2nd FE as tuner is shared */
1346 if (adap->fe[1]) {
1347 adap->fe[1]->tuner_priv =
1348 adap->fe[0]->tuner_priv;
1349 memcpy(&adap->fe[1]->ops.tuner_ops,
1350 &adap->fe[0]->ops.tuner_ops,
1351 sizeof(struct dvb_tuner_ops));
1352 }
1353 }
1354 break;
1355 default:
1356 dev_err(&d->intf->dev, "unknown tuner %d\n", dev->tuner);
1357 }
1358 if (fe == NULL && dev->i2c_client_tuner == NULL) {
1359 ret = -ENODEV;
1360 goto err;
1361 }
1362
1363 /* register SDR */
1364 switch (dev->tuner) {
1365 case TUNER_RTL2832_FC2580:
1366 case TUNER_RTL2832_FC0012:
1367 case TUNER_RTL2832_FC0013:
1368 case TUNER_RTL2832_E4000:
1369 case TUNER_RTL2832_R820T:
1370 case TUNER_RTL2832_R828D:
1371 pdata.clk = dev->rtl2832_platform_data.clk;
1372 pdata.tuner = dev->tuner;
1373 pdata.regmap = dev->rtl2832_platform_data.regmap;
1374 pdata.dvb_frontend = adap->fe[0];
1375 pdata.dvb_usb_device = d;
1376 pdata.v4l2_subdev = subdev;
1377
1378 request_module("%s", "rtl2832_sdr");
1379 pdev = platform_device_register_data(&d->intf->dev,
1380 "rtl2832_sdr",
1381 PLATFORM_DEVID_AUTO,
1382 &pdata, sizeof(pdata));
1383 if (IS_ERR(pdev) || pdev->dev.driver == NULL)
1384 break;
1385 dev->platform_device_sdr = pdev;
1386 break;
1387 default:
1388 dev_dbg(&d->intf->dev, "no SDR for tuner=%d\n", dev->tuner);
1389 }
1390
1391 return 0;
1392 err:
1393 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1394 return ret;
1395 }
1396
rtl28xxu_tuner_attach(struct dvb_usb_adapter * adap)1397 static int rtl28xxu_tuner_attach(struct dvb_usb_adapter *adap)
1398 {
1399 struct rtl28xxu_dev *dev = adap_to_priv(adap);
1400
1401 if (dev->chip_id == CHIP_ID_RTL2831U)
1402 return rtl2831u_tuner_attach(adap);
1403 else
1404 return rtl2832u_tuner_attach(adap);
1405 }
1406
rtl28xxu_tuner_detach(struct dvb_usb_adapter * adap)1407 static int rtl28xxu_tuner_detach(struct dvb_usb_adapter *adap)
1408 {
1409 struct dvb_usb_device *d = adap_to_d(adap);
1410 struct rtl28xxu_dev *dev = d_to_priv(d);
1411 struct i2c_client *client;
1412 struct platform_device *pdev;
1413
1414 dev_dbg(&d->intf->dev, "\n");
1415
1416 /* remove platform SDR */
1417 pdev = dev->platform_device_sdr;
1418 if (pdev)
1419 platform_device_unregister(pdev);
1420
1421 /* remove I2C tuner */
1422 client = dev->i2c_client_tuner;
1423 if (client) {
1424 module_put(client->dev.driver->owner);
1425 i2c_unregister_device(client);
1426 }
1427
1428 return 0;
1429 }
1430
rtl28xxu_init(struct dvb_usb_device * d)1431 static int rtl28xxu_init(struct dvb_usb_device *d)
1432 {
1433 int ret;
1434 u8 val;
1435
1436 dev_dbg(&d->intf->dev, "\n");
1437
1438 /* init USB endpoints */
1439 ret = rtl28xxu_rd_reg(d, USB_SYSCTL_0, &val);
1440 if (ret)
1441 goto err;
1442
1443 /* enable DMA and Full Packet Mode*/
1444 val |= 0x09;
1445 ret = rtl28xxu_wr_reg(d, USB_SYSCTL_0, val);
1446 if (ret)
1447 goto err;
1448
1449 /* set EPA maximum packet size to 0x0200 */
1450 ret = rtl28xxu_wr_regs(d, USB_EPA_MAXPKT, "\x00\x02\x00\x00", 4);
1451 if (ret)
1452 goto err;
1453
1454 /* change EPA FIFO length */
1455 ret = rtl28xxu_wr_regs(d, USB_EPA_FIFO_CFG, "\x14\x00\x00\x00", 4);
1456 if (ret)
1457 goto err;
1458
1459 return ret;
1460 err:
1461 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1462 return ret;
1463 }
1464
rtl2831u_power_ctrl(struct dvb_usb_device * d,int onoff)1465 static int rtl2831u_power_ctrl(struct dvb_usb_device *d, int onoff)
1466 {
1467 int ret;
1468 u8 gpio, sys0, epa_ctl[2];
1469
1470 dev_dbg(&d->intf->dev, "onoff=%d\n", onoff);
1471
1472 /* demod adc */
1473 ret = rtl28xxu_rd_reg(d, SYS_SYS0, &sys0);
1474 if (ret)
1475 goto err;
1476
1477 /* tuner power, read GPIOs */
1478 ret = rtl28xxu_rd_reg(d, SYS_GPIO_OUT_VAL, &gpio);
1479 if (ret)
1480 goto err;
1481
1482 dev_dbg(&d->intf->dev, "RD SYS0=%02x GPIO_OUT_VAL=%02x\n", sys0, gpio);
1483
1484 if (onoff) {
1485 gpio |= 0x01; /* GPIO0 = 1 */
1486 gpio &= (~0x10); /* GPIO4 = 0 */
1487 gpio |= 0x04; /* GPIO2 = 1, LED on */
1488 sys0 = sys0 & 0x0f;
1489 sys0 |= 0xe0;
1490 epa_ctl[0] = 0x00; /* clear stall */
1491 epa_ctl[1] = 0x00; /* clear reset */
1492 } else {
1493 gpio &= (~0x01); /* GPIO0 = 0 */
1494 gpio |= 0x10; /* GPIO4 = 1 */
1495 gpio &= (~0x04); /* GPIO2 = 1, LED off */
1496 sys0 = sys0 & (~0xc0);
1497 epa_ctl[0] = 0x10; /* set stall */
1498 epa_ctl[1] = 0x02; /* set reset */
1499 }
1500
1501 dev_dbg(&d->intf->dev, "WR SYS0=%02x GPIO_OUT_VAL=%02x\n", sys0, gpio);
1502
1503 /* demod adc */
1504 ret = rtl28xxu_wr_reg(d, SYS_SYS0, sys0);
1505 if (ret)
1506 goto err;
1507
1508 /* tuner power, write GPIOs */
1509 ret = rtl28xxu_wr_reg(d, SYS_GPIO_OUT_VAL, gpio);
1510 if (ret)
1511 goto err;
1512
1513 /* streaming EP: stall & reset */
1514 ret = rtl28xxu_wr_regs(d, USB_EPA_CTL, epa_ctl, 2);
1515 if (ret)
1516 goto err;
1517
1518 if (onoff)
1519 usb_clear_halt(d->udev, usb_rcvbulkpipe(d->udev, 0x81));
1520
1521 return ret;
1522 err:
1523 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1524 return ret;
1525 }
1526
rtl2832u_power_ctrl(struct dvb_usb_device * d,int onoff)1527 static int rtl2832u_power_ctrl(struct dvb_usb_device *d, int onoff)
1528 {
1529 int ret;
1530
1531 dev_dbg(&d->intf->dev, "onoff=%d\n", onoff);
1532
1533 if (onoff) {
1534 /* GPIO3=1, GPIO4=0 */
1535 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x08, 0x18);
1536 if (ret)
1537 goto err;
1538
1539 /* suspend? */
1540 ret = rtl28xxu_wr_reg_mask(d, SYS_DEMOD_CTL1, 0x00, 0x10);
1541 if (ret)
1542 goto err;
1543
1544 /* enable PLL */
1545 ret = rtl28xxu_wr_reg_mask(d, SYS_DEMOD_CTL, 0x80, 0x80);
1546 if (ret)
1547 goto err;
1548
1549 /* disable reset */
1550 ret = rtl28xxu_wr_reg_mask(d, SYS_DEMOD_CTL, 0x20, 0x20);
1551 if (ret)
1552 goto err;
1553
1554 /* streaming EP: clear stall & reset */
1555 ret = rtl28xxu_wr_regs(d, USB_EPA_CTL, "\x00\x00", 2);
1556 if (ret)
1557 goto err;
1558
1559 ret = usb_clear_halt(d->udev, usb_rcvbulkpipe(d->udev, 0x81));
1560 if (ret)
1561 goto err;
1562 } else {
1563 /* GPIO4=1 */
1564 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x10, 0x10);
1565 if (ret)
1566 goto err;
1567
1568 /* disable PLL */
1569 ret = rtl28xxu_wr_reg_mask(d, SYS_DEMOD_CTL, 0x00, 0x80);
1570 if (ret)
1571 goto err;
1572
1573 /* streaming EP: set stall & reset */
1574 ret = rtl28xxu_wr_regs(d, USB_EPA_CTL, "\x10\x02", 2);
1575 if (ret)
1576 goto err;
1577 }
1578
1579 return ret;
1580 err:
1581 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1582 return ret;
1583 }
1584
rtl28xxu_power_ctrl(struct dvb_usb_device * d,int onoff)1585 static int rtl28xxu_power_ctrl(struct dvb_usb_device *d, int onoff)
1586 {
1587 struct rtl28xxu_dev *dev = d_to_priv(d);
1588
1589 if (dev->chip_id == CHIP_ID_RTL2831U)
1590 return rtl2831u_power_ctrl(d, onoff);
1591 else
1592 return rtl2832u_power_ctrl(d, onoff);
1593 }
1594
rtl28xxu_frontend_ctrl(struct dvb_frontend * fe,int onoff)1595 static int rtl28xxu_frontend_ctrl(struct dvb_frontend *fe, int onoff)
1596 {
1597 struct dvb_usb_device *d = fe_to_d(fe);
1598 struct rtl28xxu_dev *dev = fe_to_priv(fe);
1599 struct rtl2832_platform_data *pdata = &dev->rtl2832_platform_data;
1600 int ret;
1601 u8 val;
1602
1603 dev_dbg(&d->intf->dev, "fe=%d onoff=%d\n", fe->id, onoff);
1604
1605 if (dev->chip_id == CHIP_ID_RTL2831U)
1606 return 0;
1607
1608 if (fe->id == 0) {
1609 /* control internal demod ADC */
1610 if (onoff)
1611 val = 0x48; /* enable ADC */
1612 else
1613 val = 0x00; /* disable ADC */
1614
1615 ret = rtl28xxu_wr_reg_mask(d, SYS_DEMOD_CTL, val, 0x48);
1616 if (ret)
1617 goto err;
1618 } else if (fe->id == 1) {
1619 /* bypass slave demod TS through master demod */
1620 ret = pdata->slave_ts_ctrl(dev->i2c_client_demod, onoff);
1621 if (ret)
1622 goto err;
1623 }
1624
1625 return 0;
1626 err:
1627 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1628 return ret;
1629 }
1630
1631 #if IS_ENABLED(CONFIG_RC_CORE)
rtl2831u_rc_query(struct dvb_usb_device * d)1632 static int rtl2831u_rc_query(struct dvb_usb_device *d)
1633 {
1634 int ret, i;
1635 struct rtl28xxu_dev *dev = d->priv;
1636 u8 buf[5];
1637 u32 rc_code;
1638 static const struct rtl28xxu_reg_val rc_nec_tab[] = {
1639 { 0x3033, 0x80 },
1640 { 0x3020, 0x43 },
1641 { 0x3021, 0x16 },
1642 { 0x3022, 0x16 },
1643 { 0x3023, 0x5a },
1644 { 0x3024, 0x2d },
1645 { 0x3025, 0x16 },
1646 { 0x3026, 0x01 },
1647 { 0x3028, 0xb0 },
1648 { 0x3029, 0x04 },
1649 { 0x302c, 0x88 },
1650 { 0x302e, 0x13 },
1651 { 0x3030, 0xdf },
1652 { 0x3031, 0x05 },
1653 };
1654
1655 /* init remote controller */
1656 if (!dev->rc_active) {
1657 for (i = 0; i < ARRAY_SIZE(rc_nec_tab); i++) {
1658 ret = rtl28xxu_wr_reg(d, rc_nec_tab[i].reg,
1659 rc_nec_tab[i].val);
1660 if (ret)
1661 goto err;
1662 }
1663 dev->rc_active = true;
1664 }
1665
1666 ret = rtl28xxu_rd_regs(d, SYS_IRRC_RP, buf, 5);
1667 if (ret)
1668 goto err;
1669
1670 if (buf[4] & 0x01) {
1671 enum rc_proto proto;
1672
1673 if (buf[2] == (u8) ~buf[3]) {
1674 if (buf[0] == (u8) ~buf[1]) {
1675 /* NEC standard (16 bit) */
1676 rc_code = RC_SCANCODE_NEC(buf[0], buf[2]);
1677 proto = RC_PROTO_NEC;
1678 } else {
1679 /* NEC extended (24 bit) */
1680 rc_code = RC_SCANCODE_NECX(buf[0] << 8 | buf[1],
1681 buf[2]);
1682 proto = RC_PROTO_NECX;
1683 }
1684 } else {
1685 /* NEC full (32 bit) */
1686 rc_code = RC_SCANCODE_NEC32(buf[0] << 24 | buf[1] << 16 |
1687 buf[2] << 8 | buf[3]);
1688 proto = RC_PROTO_NEC32;
1689 }
1690
1691 rc_keydown(d->rc_dev, proto, rc_code, 0);
1692
1693 ret = rtl28xxu_wr_reg(d, SYS_IRRC_SR, 1);
1694 if (ret)
1695 goto err;
1696
1697 /* repeated intentionally to avoid extra keypress */
1698 ret = rtl28xxu_wr_reg(d, SYS_IRRC_SR, 1);
1699 if (ret)
1700 goto err;
1701 }
1702
1703 return ret;
1704 err:
1705 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1706 return ret;
1707 }
1708
rtl2831u_get_rc_config(struct dvb_usb_device * d,struct dvb_usb_rc * rc)1709 static int rtl2831u_get_rc_config(struct dvb_usb_device *d,
1710 struct dvb_usb_rc *rc)
1711 {
1712 rc->map_name = RC_MAP_EMPTY;
1713 rc->allowed_protos = RC_PROTO_BIT_NEC | RC_PROTO_BIT_NECX |
1714 RC_PROTO_BIT_NEC32;
1715 rc->query = rtl2831u_rc_query;
1716 rc->interval = 400;
1717
1718 return 0;
1719 }
1720
rtl2832u_rc_query(struct dvb_usb_device * d)1721 static int rtl2832u_rc_query(struct dvb_usb_device *d)
1722 {
1723 int ret, i, len;
1724 struct rtl28xxu_dev *dev = d->priv;
1725 struct ir_raw_event ev = {};
1726 u8 buf[128];
1727 static const struct rtl28xxu_reg_val_mask refresh_tab[] = {
1728 {IR_RX_IF, 0x03, 0xff},
1729 {IR_RX_BUF_CTRL, 0x80, 0xff},
1730 {IR_RX_CTRL, 0x80, 0xff},
1731 };
1732
1733 /* init remote controller */
1734 if (!dev->rc_active) {
1735 static const struct rtl28xxu_reg_val_mask init_tab[] = {
1736 {SYS_DEMOD_CTL1, 0x00, 0x04},
1737 {SYS_DEMOD_CTL1, 0x00, 0x08},
1738 {USB_CTRL, 0x20, 0x20},
1739 {SYS_GPIO_DIR, 0x00, 0x08},
1740 {SYS_GPIO_OUT_EN, 0x08, 0x08},
1741 {SYS_GPIO_OUT_VAL, 0x08, 0x08},
1742 {IR_MAX_DURATION0, 0xd0, 0xff},
1743 {IR_MAX_DURATION1, 0x07, 0xff},
1744 {IR_IDLE_LEN0, 0xc0, 0xff},
1745 {IR_IDLE_LEN1, 0x00, 0xff},
1746 {IR_GLITCH_LEN, 0x03, 0xff},
1747 {IR_RX_CLK, 0x09, 0xff},
1748 {IR_RX_CFG, 0x1c, 0xff},
1749 {IR_MAX_H_TOL_LEN, 0x1e, 0xff},
1750 {IR_MAX_L_TOL_LEN, 0x1e, 0xff},
1751 {IR_RX_CTRL, 0x80, 0xff},
1752 };
1753
1754 for (i = 0; i < ARRAY_SIZE(init_tab); i++) {
1755 ret = rtl28xxu_wr_reg_mask(d, init_tab[i].reg,
1756 init_tab[i].val, init_tab[i].mask);
1757 if (ret)
1758 goto err;
1759 }
1760
1761 dev->rc_active = true;
1762 }
1763
1764 ret = rtl28xxu_rd_reg(d, IR_RX_IF, &buf[0]);
1765 if (ret)
1766 goto err;
1767
1768 if (buf[0] != 0x83)
1769 goto exit;
1770
1771 ret = rtl28xxu_rd_reg(d, IR_RX_BC, &buf[0]);
1772 if (ret || buf[0] > sizeof(buf))
1773 goto err;
1774
1775 len = buf[0];
1776
1777 /* read raw code from hw */
1778 ret = rtl28xxu_rd_regs(d, IR_RX_BUF, buf, len);
1779 if (ret)
1780 goto err;
1781
1782 /* let hw receive new code */
1783 for (i = 0; i < ARRAY_SIZE(refresh_tab); i++) {
1784 ret = rtl28xxu_wr_reg_mask(d, refresh_tab[i].reg,
1785 refresh_tab[i].val, refresh_tab[i].mask);
1786 if (ret)
1787 goto err;
1788 }
1789
1790 /* pass data to Kernel IR decoder */
1791 for (i = 0; i < len; i++) {
1792 ev.pulse = buf[i] >> 7;
1793 ev.duration = 51 * (buf[i] & 0x7f);
1794 ir_raw_event_store_with_filter(d->rc_dev, &ev);
1795 }
1796
1797 /* 'flush' ir_raw_event_store_with_filter() */
1798 ir_raw_event_handle(d->rc_dev);
1799 exit:
1800 return ret;
1801 err:
1802 dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1803 return ret;
1804 }
1805
rtl2832u_get_rc_config(struct dvb_usb_device * d,struct dvb_usb_rc * rc)1806 static int rtl2832u_get_rc_config(struct dvb_usb_device *d,
1807 struct dvb_usb_rc *rc)
1808 {
1809 /* disable IR interrupts in order to avoid SDR sample loss */
1810 if (rtl28xxu_disable_rc)
1811 return rtl28xxu_wr_reg(d, IR_RX_IE, 0x00);
1812
1813 /* load empty to enable rc */
1814 if (!rc->map_name)
1815 rc->map_name = RC_MAP_EMPTY;
1816 rc->allowed_protos = RC_PROTO_BIT_ALL_IR_DECODER;
1817 rc->driver_type = RC_DRIVER_IR_RAW;
1818 rc->query = rtl2832u_rc_query;
1819 rc->interval = 200;
1820 /* we program idle len to 0xc0, set timeout to one less */
1821 rc->timeout = 0xbf * 51;
1822
1823 return 0;
1824 }
1825
rtl28xxu_get_rc_config(struct dvb_usb_device * d,struct dvb_usb_rc * rc)1826 static int rtl28xxu_get_rc_config(struct dvb_usb_device *d,
1827 struct dvb_usb_rc *rc)
1828 {
1829 struct rtl28xxu_dev *dev = d_to_priv(d);
1830
1831 if (dev->chip_id == CHIP_ID_RTL2831U)
1832 return rtl2831u_get_rc_config(d, rc);
1833 else
1834 return rtl2832u_get_rc_config(d, rc);
1835 }
1836 #else
1837 #define rtl28xxu_get_rc_config NULL
1838 #endif
1839
rtl28xxu_pid_filter_ctrl(struct dvb_usb_adapter * adap,int onoff)1840 static int rtl28xxu_pid_filter_ctrl(struct dvb_usb_adapter *adap, int onoff)
1841 {
1842 struct rtl28xxu_dev *dev = adap_to_priv(adap);
1843
1844 if (dev->chip_id == CHIP_ID_RTL2831U) {
1845 struct rtl2830_platform_data *pdata = &dev->rtl2830_platform_data;
1846
1847 return pdata->pid_filter_ctrl(adap->fe[0], onoff);
1848 } else {
1849 struct rtl2832_platform_data *pdata = &dev->rtl2832_platform_data;
1850
1851 return pdata->pid_filter_ctrl(adap->fe[0], onoff);
1852 }
1853 }
1854
rtl28xxu_pid_filter(struct dvb_usb_adapter * adap,int index,u16 pid,int onoff)1855 static int rtl28xxu_pid_filter(struct dvb_usb_adapter *adap, int index,
1856 u16 pid, int onoff)
1857 {
1858 struct rtl28xxu_dev *dev = adap_to_priv(adap);
1859
1860 if (dev->chip_id == CHIP_ID_RTL2831U) {
1861 struct rtl2830_platform_data *pdata = &dev->rtl2830_platform_data;
1862
1863 return pdata->pid_filter(adap->fe[0], index, pid, onoff);
1864 } else {
1865 struct rtl2832_platform_data *pdata = &dev->rtl2832_platform_data;
1866
1867 return pdata->pid_filter(adap->fe[0], index, pid, onoff);
1868 }
1869 }
1870
1871 static const struct dvb_usb_device_properties rtl28xxu_props = {
1872 .driver_name = KBUILD_MODNAME,
1873 .owner = THIS_MODULE,
1874 .adapter_nr = adapter_nr,
1875 .size_of_priv = sizeof(struct rtl28xxu_dev),
1876
1877 .identify_state = rtl28xxu_identify_state,
1878 .power_ctrl = rtl28xxu_power_ctrl,
1879 .frontend_ctrl = rtl28xxu_frontend_ctrl,
1880 .i2c_algo = &rtl28xxu_i2c_algo,
1881 .read_config = rtl28xxu_read_config,
1882 .frontend_attach = rtl28xxu_frontend_attach,
1883 .frontend_detach = rtl28xxu_frontend_detach,
1884 .tuner_attach = rtl28xxu_tuner_attach,
1885 .tuner_detach = rtl28xxu_tuner_detach,
1886 .init = rtl28xxu_init,
1887 .get_rc_config = rtl28xxu_get_rc_config,
1888
1889 .num_adapters = 1,
1890 .adapter = {
1891 {
1892 .caps = DVB_USB_ADAP_HAS_PID_FILTER |
1893 DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
1894
1895 .pid_filter_count = 32,
1896 .pid_filter_ctrl = rtl28xxu_pid_filter_ctrl,
1897 .pid_filter = rtl28xxu_pid_filter,
1898
1899 .stream = DVB_USB_STREAM_BULK(0x81, 6, 8 * 512),
1900 },
1901 },
1902 };
1903
1904 static const struct usb_device_id rtl28xxu_id_table[] = {
1905 /* RTL2831U devices: */
1906 { DVB_USB_DEVICE(USB_VID_REALTEK, USB_PID_REALTEK_RTL2831U,
1907 &rtl28xxu_props, "Realtek RTL2831U reference design", NULL) },
1908 { DVB_USB_DEVICE(USB_VID_WIDEVIEW, USB_PID_FREECOM_DVBT,
1909 &rtl28xxu_props, "Freecom USB2.0 DVB-T", NULL) },
1910 { DVB_USB_DEVICE(USB_VID_WIDEVIEW, USB_PID_FREECOM_DVBT_2,
1911 &rtl28xxu_props, "Freecom USB2.0 DVB-T", NULL) },
1912
1913 /* RTL2832U devices: */
1914 { DVB_USB_DEVICE(USB_VID_REALTEK, 0x2832,
1915 &rtl28xxu_props, "Realtek RTL2832U reference design", NULL) },
1916 { DVB_USB_DEVICE(USB_VID_REALTEK, 0x2838,
1917 &rtl28xxu_props, "Realtek RTL2832U reference design", NULL) },
1918 { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_CINERGY_T_STICK_BLACK_REV1,
1919 &rtl28xxu_props, "TerraTec Cinergy T Stick Black", RC_MAP_TERRATEC_SLIM) },
1920 { DVB_USB_DEVICE(USB_VID_GTEK, USB_PID_DELOCK_USB2_DVBT,
1921 &rtl28xxu_props, "G-Tek Electronics Group Lifeview LV5TDLX DVB-T", NULL) },
1922 { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_NOXON_DAB_STICK,
1923 &rtl28xxu_props, "TerraTec NOXON DAB Stick", NULL) },
1924 { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_NOXON_DAB_STICK_REV2,
1925 &rtl28xxu_props, "TerraTec NOXON DAB Stick (rev 2)", NULL) },
1926 { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_NOXON_DAB_STICK_REV3,
1927 &rtl28xxu_props, "TerraTec NOXON DAB Stick (rev 3)", NULL) },
1928 { DVB_USB_DEVICE(USB_VID_GTEK, USB_PID_TREKSTOR_TERRES_2_0,
1929 &rtl28xxu_props, "Trekstor DVB-T Stick Terres 2.0", NULL) },
1930 { DVB_USB_DEVICE(USB_VID_DEXATEK, 0x1101,
1931 &rtl28xxu_props, "Dexatek DK DVB-T Dongle", NULL) },
1932 { DVB_USB_DEVICE(USB_VID_LEADTEK, 0x6680,
1933 &rtl28xxu_props, "DigitalNow Quad DVB-T Receiver", NULL) },
1934 { DVB_USB_DEVICE(USB_VID_LEADTEK, USB_PID_WINFAST_DTV_DONGLE_MINID,
1935 &rtl28xxu_props, "Leadtek Winfast DTV Dongle Mini D", NULL) },
1936 { DVB_USB_DEVICE(USB_VID_LEADTEK, USB_PID_WINFAST_DTV2000DS_PLUS,
1937 &rtl28xxu_props, "Leadtek WinFast DTV2000DS Plus", RC_MAP_LEADTEK_Y04G0051) },
1938 { DVB_USB_DEVICE(USB_VID_TERRATEC, 0x00d3,
1939 &rtl28xxu_props, "TerraTec Cinergy T Stick RC (Rev. 3)", NULL) },
1940 { DVB_USB_DEVICE(USB_VID_DEXATEK, 0x1102,
1941 &rtl28xxu_props, "Dexatek DK mini DVB-T Dongle", NULL) },
1942 { DVB_USB_DEVICE(USB_VID_TERRATEC, 0x00d7,
1943 &rtl28xxu_props, "TerraTec Cinergy T Stick+", NULL) },
1944 { DVB_USB_DEVICE(USB_VID_KWORLD_2, 0xd3a8,
1945 &rtl28xxu_props, "ASUS My Cinema-U3100Mini Plus V2", NULL) },
1946 { DVB_USB_DEVICE(USB_VID_KWORLD_2, 0xd393,
1947 &rtl28xxu_props, "GIGABYTE U7300", NULL) },
1948 { DVB_USB_DEVICE(USB_VID_DEXATEK, 0x1104,
1949 &rtl28xxu_props, "MSI DIGIVOX Micro HD", NULL) },
1950 { DVB_USB_DEVICE(USB_VID_COMPRO, 0x0620,
1951 &rtl28xxu_props, "Compro VideoMate U620F", NULL) },
1952 { DVB_USB_DEVICE(USB_VID_COMPRO, 0x0650,
1953 &rtl28xxu_props, "Compro VideoMate U650F", NULL) },
1954 { DVB_USB_DEVICE(USB_VID_KWORLD_2, 0xd394,
1955 &rtl28xxu_props, "MaxMedia HU394-T", NULL) },
1956 { DVB_USB_DEVICE(USB_VID_LEADTEK, 0x6a03,
1957 &rtl28xxu_props, "Leadtek WinFast DTV Dongle mini", NULL) },
1958 { DVB_USB_DEVICE(USB_VID_GTEK, USB_PID_CPYTO_REDI_PC50A,
1959 &rtl28xxu_props, "Crypto ReDi PC 50 A", NULL) },
1960 { DVB_USB_DEVICE(USB_VID_KYE, 0x707f,
1961 &rtl28xxu_props, "Genius TVGo DVB-T03", NULL) },
1962 { DVB_USB_DEVICE(USB_VID_KWORLD_2, 0xd395,
1963 &rtl28xxu_props, "Peak DVB-T USB", NULL) },
1964 { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_SVEON_STV20_RTL2832U,
1965 &rtl28xxu_props, "Sveon STV20", NULL) },
1966 { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_SVEON_STV21,
1967 &rtl28xxu_props, "Sveon STV21", NULL) },
1968 { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_SVEON_STV27,
1969 &rtl28xxu_props, "Sveon STV27", NULL) },
1970 { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_TURBOX_DTT_2000,
1971 &rtl28xxu_props, "TURBO-X Pure TV Tuner DTT-2000", NULL) },
1972 { DVB_USB_DEVICE(USB_VID_GTEK, USB_PID_PROLECTRIX_DV107669,
1973 &rtl28xxu_props, "PROlectrix DV107669", NULL) },
1974
1975 /* RTL2832P devices: */
1976 { DVB_USB_DEVICE(USB_VID_HANFTEK, 0x0131,
1977 &rtl28xxu_props, "Astrometa DVB-T2",
1978 RC_MAP_ASTROMETA_T2HYBRID) },
1979 { DVB_USB_DEVICE(0x5654, 0xca42,
1980 &rtl28xxu_props, "GoTView MasterHD 3", NULL) },
1981 { }
1982 };
1983 MODULE_DEVICE_TABLE(usb, rtl28xxu_id_table);
1984
1985 static struct usb_driver rtl28xxu_usb_driver = {
1986 .name = KBUILD_MODNAME,
1987 .id_table = rtl28xxu_id_table,
1988 .probe = dvb_usbv2_probe,
1989 .disconnect = dvb_usbv2_disconnect,
1990 .suspend = dvb_usbv2_suspend,
1991 .resume = dvb_usbv2_resume,
1992 .reset_resume = dvb_usbv2_reset_resume,
1993 .no_dynamic_id = 1,
1994 .soft_unbind = 1,
1995 };
1996
1997 module_usb_driver(rtl28xxu_usb_driver);
1998
1999 MODULE_DESCRIPTION("Realtek RTL28xxU DVB USB driver");
2000 MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
2001 MODULE_AUTHOR("Thomas Mair <thomas.mair86@googlemail.com>");
2002 MODULE_LICENSE("GPL");
2003