1/* 2 * Realtek RTL28xxU DVB USB driver 3 * 4 * Copyright (C) 2009 Antti Palosaari <crope@iki.fi> 5 * Copyright (C) 2011 Antti Palosaari <crope@iki.fi> 6 * Copyright (C) 2012 Thomas Mair <thomas.mair86@googlemail.com> 7 * 8 * This program is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License as published by 10 * the Free Software Foundation; either version 2 of the License, or 11 * (at your option) any later version. 12 * 13 * This program is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * GNU General Public License for more details. 17 * 18 * You should have received a copy of the GNU General Public License along 19 * with this program; if not, write to the Free Software Foundation, Inc., 20 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 21 */ 22 23#include "rtl28xxu.h" 24 25static int rtl28xxu_disable_rc; 26module_param_named(disable_rc, rtl28xxu_disable_rc, int, 0644); 27MODULE_PARM_DESC(disable_rc, "disable RTL2832U remote controller"); 28DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); 29 30static int rtl28xxu_ctrl_msg(struct dvb_usb_device *d, struct rtl28xxu_req *req) 31{ 32 struct rtl28xxu_dev *dev = d->priv; 33 int ret; 34 unsigned int pipe; 35 u8 requesttype; 36 37 mutex_lock(&d->usb_mutex); 38 39 if (req->size > sizeof(dev->buf)) { 40 dev_err(&d->intf->dev, "too large message %u\n", req->size); 41 ret = -EINVAL; 42 goto err_mutex_unlock; 43 } 44 45 if (req->index & CMD_WR_FLAG) { 46 /* write */ 47 memcpy(dev->buf, req->data, req->size); 48 requesttype = (USB_TYPE_VENDOR | USB_DIR_OUT); 49 pipe = usb_sndctrlpipe(d->udev, 0); 50 } else { 51 /* read */ 52 requesttype = (USB_TYPE_VENDOR | USB_DIR_IN); 53 pipe = usb_rcvctrlpipe(d->udev, 0); 54 } 55 56 ret = usb_control_msg(d->udev, pipe, 0, requesttype, req->value, 57 req->index, dev->buf, req->size, 1000); 58 dvb_usb_dbg_usb_control_msg(d->udev, 0, requesttype, req->value, 59 req->index, dev->buf, req->size); 60 if (ret < 0) 61 goto err_mutex_unlock; 62 63 /* read request, copy returned data to return buf */ 64 if (requesttype == (USB_TYPE_VENDOR | USB_DIR_IN)) 65 memcpy(req->data, dev->buf, req->size); 66 67 mutex_unlock(&d->usb_mutex); 68 69 return 0; 70err_mutex_unlock: 71 mutex_unlock(&d->usb_mutex); 72 dev_dbg(&d->intf->dev, "failed=%d\n", ret); 73 return ret; 74} 75 76static int rtl28xxu_wr_regs(struct dvb_usb_device *d, u16 reg, u8 *val, int len) 77{ 78 struct rtl28xxu_req req; 79 80 if (reg < 0x3000) 81 req.index = CMD_USB_WR; 82 else if (reg < 0x4000) 83 req.index = CMD_SYS_WR; 84 else 85 req.index = CMD_IR_WR; 86 87 req.value = reg; 88 req.size = len; 89 req.data = val; 90 91 return rtl28xxu_ctrl_msg(d, &req); 92} 93 94static int rtl28xxu_rd_regs(struct dvb_usb_device *d, u16 reg, u8 *val, int len) 95{ 96 struct rtl28xxu_req req; 97 98 if (reg < 0x3000) 99 req.index = CMD_USB_RD; 100 else if (reg < 0x4000) 101 req.index = CMD_SYS_RD; 102 else 103 req.index = CMD_IR_RD; 104 105 req.value = reg; 106 req.size = len; 107 req.data = val; 108 109 return rtl28xxu_ctrl_msg(d, &req); 110} 111 112static int rtl28xxu_wr_reg(struct dvb_usb_device *d, u16 reg, u8 val) 113{ 114 return rtl28xxu_wr_regs(d, reg, &val, 1); 115} 116 117static int rtl28xxu_rd_reg(struct dvb_usb_device *d, u16 reg, u8 *val) 118{ 119 return rtl28xxu_rd_regs(d, reg, val, 1); 120} 121 122static int rtl28xxu_wr_reg_mask(struct dvb_usb_device *d, u16 reg, u8 val, 123 u8 mask) 124{ 125 int ret; 126 u8 tmp; 127 128 /* no need for read if whole reg is written */ 129 if (mask != 0xff) { 130 ret = rtl28xxu_rd_reg(d, reg, &tmp); 131 if (ret) 132 return ret; 133 134 val &= mask; 135 tmp &= ~mask; 136 val |= tmp; 137 } 138 139 return rtl28xxu_wr_reg(d, reg, val); 140} 141 142/* I2C */ 143static int rtl28xxu_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[], 144 int num) 145{ 146 int ret; 147 struct dvb_usb_device *d = i2c_get_adapdata(adap); 148 struct rtl28xxu_dev *dev = d->priv; 149 struct rtl28xxu_req req; 150 151 /* 152 * It is not known which are real I2C bus xfer limits, but testing 153 * with RTL2831U + MT2060 gives max RD 24 and max WR 22 bytes. 154 * TODO: find out RTL2832U lens 155 */ 156 157 /* 158 * I2C adapter logic looks rather complicated due to fact it handles 159 * three different access methods. Those methods are; 160 * 1) integrated demod access 161 * 2) old I2C access 162 * 3) new I2C access 163 * 164 * Used method is selected in order 1, 2, 3. Method 3 can handle all 165 * requests but there is two reasons why not use it always; 166 * 1) It is most expensive, usually two USB messages are needed 167 * 2) At least RTL2831U does not support it 168 * 169 * Method 3 is needed in case of I2C write+read (typical register read) 170 * where write is more than one byte. 171 */ 172 173 if (mutex_lock_interruptible(&d->i2c_mutex) < 0) 174 return -EAGAIN; 175 176 if (num == 2 && !(msg[0].flags & I2C_M_RD) && 177 (msg[1].flags & I2C_M_RD)) { 178 if (msg[0].len > 24 || msg[1].len > 24) { 179 /* TODO: check msg[0].len max */ 180 ret = -EOPNOTSUPP; 181 goto err_mutex_unlock; 182 } else if (msg[0].addr == 0x10) { 183 /* method 1 - integrated demod */ 184 req.value = (msg[0].buf[0] << 8) | (msg[0].addr << 1); 185 req.index = CMD_DEMOD_RD | dev->page; 186 req.size = msg[1].len; 187 req.data = &msg[1].buf[0]; 188 ret = rtl28xxu_ctrl_msg(d, &req); 189 } else if (msg[0].len < 2) { 190 /* method 2 - old I2C */ 191 req.value = (msg[0].buf[0] << 8) | (msg[0].addr << 1); 192 req.index = CMD_I2C_RD; 193 req.size = msg[1].len; 194 req.data = &msg[1].buf[0]; 195 ret = rtl28xxu_ctrl_msg(d, &req); 196 } else { 197 /* method 3 - new I2C */ 198 req.value = (msg[0].addr << 1); 199 req.index = CMD_I2C_DA_WR; 200 req.size = msg[0].len; 201 req.data = msg[0].buf; 202 ret = rtl28xxu_ctrl_msg(d, &req); 203 if (ret) 204 goto err_mutex_unlock; 205 206 req.value = (msg[0].addr << 1); 207 req.index = CMD_I2C_DA_RD; 208 req.size = msg[1].len; 209 req.data = msg[1].buf; 210 ret = rtl28xxu_ctrl_msg(d, &req); 211 } 212 } else if (num == 1 && !(msg[0].flags & I2C_M_RD)) { 213 if (msg[0].len > 22) { 214 /* TODO: check msg[0].len max */ 215 ret = -EOPNOTSUPP; 216 goto err_mutex_unlock; 217 } else if (msg[0].addr == 0x10) { 218 /* method 1 - integrated demod */ 219 if (msg[0].buf[0] == 0x00) { 220 /* save demod page for later demod access */ 221 dev->page = msg[0].buf[1]; 222 ret = 0; 223 } else { 224 req.value = (msg[0].buf[0] << 8) | 225 (msg[0].addr << 1); 226 req.index = CMD_DEMOD_WR | dev->page; 227 req.size = msg[0].len-1; 228 req.data = &msg[0].buf[1]; 229 ret = rtl28xxu_ctrl_msg(d, &req); 230 } 231 } else if (msg[0].len < 23) { 232 /* method 2 - old I2C */ 233 req.value = (msg[0].buf[0] << 8) | (msg[0].addr << 1); 234 req.index = CMD_I2C_WR; 235 req.size = msg[0].len-1; 236 req.data = &msg[0].buf[1]; 237 ret = rtl28xxu_ctrl_msg(d, &req); 238 } else { 239 /* method 3 - new I2C */ 240 req.value = (msg[0].addr << 1); 241 req.index = CMD_I2C_DA_WR; 242 req.size = msg[0].len; 243 req.data = msg[0].buf; 244 ret = rtl28xxu_ctrl_msg(d, &req); 245 } 246 } else { 247 ret = -EINVAL; 248 } 249 250err_mutex_unlock: 251 mutex_unlock(&d->i2c_mutex); 252 253 return ret ? ret : num; 254} 255 256static u32 rtl28xxu_i2c_func(struct i2c_adapter *adapter) 257{ 258 return I2C_FUNC_I2C; 259} 260 261static struct i2c_algorithm rtl28xxu_i2c_algo = { 262 .master_xfer = rtl28xxu_i2c_xfer, 263 .functionality = rtl28xxu_i2c_func, 264}; 265 266static int rtl2831u_read_config(struct dvb_usb_device *d) 267{ 268 struct rtl28xxu_dev *dev = d_to_priv(d); 269 int ret; 270 u8 buf[1]; 271 /* open RTL2831U/RTL2830 I2C gate */ 272 struct rtl28xxu_req req_gate_open = {0x0120, 0x0011, 0x0001, "\x08"}; 273 /* tuner probes */ 274 struct rtl28xxu_req req_mt2060 = {0x00c0, CMD_I2C_RD, 1, buf}; 275 struct rtl28xxu_req req_qt1010 = {0x0fc4, CMD_I2C_RD, 1, buf}; 276 277 dev_dbg(&d->intf->dev, "\n"); 278 279 /* 280 * RTL2831U GPIOs 281 * ========================================================= 282 * GPIO0 | tuner#0 | 0 off | 1 on | MXL5005S (?) 283 * GPIO2 | LED | 0 off | 1 on | 284 * GPIO4 | tuner#1 | 0 on | 1 off | MT2060 285 */ 286 287 /* GPIO direction */ 288 ret = rtl28xxu_wr_reg(d, SYS_GPIO_DIR, 0x0a); 289 if (ret) 290 goto err; 291 292 /* enable as output GPIO0, GPIO2, GPIO4 */ 293 ret = rtl28xxu_wr_reg(d, SYS_GPIO_OUT_EN, 0x15); 294 if (ret) 295 goto err; 296 297 /* 298 * Probe used tuner. We need to know used tuner before demod attach 299 * since there is some demod params needed to set according to tuner. 300 */ 301 302 /* demod needs some time to wake up */ 303 msleep(20); 304 305 dev->tuner_name = "NONE"; 306 307 /* open demod I2C gate */ 308 ret = rtl28xxu_ctrl_msg(d, &req_gate_open); 309 if (ret) 310 goto err; 311 312 /* check QT1010 ID(?) register; reg=0f val=2c */ 313 ret = rtl28xxu_ctrl_msg(d, &req_qt1010); 314 if (ret == 0 && buf[0] == 0x2c) { 315 dev->tuner = TUNER_RTL2830_QT1010; 316 dev->tuner_name = "QT1010"; 317 goto found; 318 } 319 320 /* open demod I2C gate */ 321 ret = rtl28xxu_ctrl_msg(d, &req_gate_open); 322 if (ret) 323 goto err; 324 325 /* check MT2060 ID register; reg=00 val=63 */ 326 ret = rtl28xxu_ctrl_msg(d, &req_mt2060); 327 if (ret == 0 && buf[0] == 0x63) { 328 dev->tuner = TUNER_RTL2830_MT2060; 329 dev->tuner_name = "MT2060"; 330 goto found; 331 } 332 333 /* assume MXL5005S */ 334 dev->tuner = TUNER_RTL2830_MXL5005S; 335 dev->tuner_name = "MXL5005S"; 336 goto found; 337 338found: 339 dev_dbg(&d->intf->dev, "tuner=%s\n", dev->tuner_name); 340 341 return 0; 342err: 343 dev_dbg(&d->intf->dev, "failed=%d\n", ret); 344 return ret; 345} 346 347static int rtl2832u_read_config(struct dvb_usb_device *d) 348{ 349 struct rtl28xxu_dev *dev = d_to_priv(d); 350 int ret; 351 u8 buf[2]; 352 /* open RTL2832U/RTL2832 I2C gate */ 353 struct rtl28xxu_req req_gate_open = {0x0120, 0x0011, 0x0001, "\x18"}; 354 /* close RTL2832U/RTL2832 I2C gate */ 355 struct rtl28xxu_req req_gate_close = {0x0120, 0x0011, 0x0001, "\x10"}; 356 /* tuner probes */ 357 struct rtl28xxu_req req_fc0012 = {0x00c6, CMD_I2C_RD, 1, buf}; 358 struct rtl28xxu_req req_fc0013 = {0x00c6, CMD_I2C_RD, 1, buf}; 359 struct rtl28xxu_req req_mt2266 = {0x00c0, CMD_I2C_RD, 1, buf}; 360 struct rtl28xxu_req req_fc2580 = {0x01ac, CMD_I2C_RD, 1, buf}; 361 struct rtl28xxu_req req_mt2063 = {0x00c0, CMD_I2C_RD, 1, buf}; 362 struct rtl28xxu_req req_max3543 = {0x00c0, CMD_I2C_RD, 1, buf}; 363 struct rtl28xxu_req req_tua9001 = {0x7ec0, CMD_I2C_RD, 2, buf}; 364 struct rtl28xxu_req req_mxl5007t = {0xd9c0, CMD_I2C_RD, 1, buf}; 365 struct rtl28xxu_req req_e4000 = {0x02c8, CMD_I2C_RD, 1, buf}; 366 struct rtl28xxu_req req_tda18272 = {0x00c0, CMD_I2C_RD, 2, buf}; 367 struct rtl28xxu_req req_r820t = {0x0034, CMD_I2C_RD, 1, buf}; 368 struct rtl28xxu_req req_r828d = {0x0074, CMD_I2C_RD, 1, buf}; 369 struct rtl28xxu_req req_mn88472 = {0xff38, CMD_I2C_RD, 1, buf}; 370 struct rtl28xxu_req req_mn88473 = {0xff38, CMD_I2C_RD, 1, buf}; 371 372 dev_dbg(&d->intf->dev, "\n"); 373 374 /* enable GPIO3 and GPIO6 as output */ 375 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_DIR, 0x00, 0x40); 376 if (ret) 377 goto err; 378 379 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x48, 0x48); 380 if (ret) 381 goto err; 382 383 /* 384 * Probe used tuner. We need to know used tuner before demod attach 385 * since there is some demod params needed to set according to tuner. 386 */ 387 388 /* open demod I2C gate */ 389 ret = rtl28xxu_ctrl_msg(d, &req_gate_open); 390 if (ret) 391 goto err; 392 393 dev->tuner_name = "NONE"; 394 395 /* check FC0012 ID register; reg=00 val=a1 */ 396 ret = rtl28xxu_ctrl_msg(d, &req_fc0012); 397 if (ret == 0 && buf[0] == 0xa1) { 398 dev->tuner = TUNER_RTL2832_FC0012; 399 dev->tuner_name = "FC0012"; 400 goto tuner_found; 401 } 402 403 /* check FC0013 ID register; reg=00 val=a3 */ 404 ret = rtl28xxu_ctrl_msg(d, &req_fc0013); 405 if (ret == 0 && buf[0] == 0xa3) { 406 dev->tuner = TUNER_RTL2832_FC0013; 407 dev->tuner_name = "FC0013"; 408 goto tuner_found; 409 } 410 411 /* check MT2266 ID register; reg=00 val=85 */ 412 ret = rtl28xxu_ctrl_msg(d, &req_mt2266); 413 if (ret == 0 && buf[0] == 0x85) { 414 dev->tuner = TUNER_RTL2832_MT2266; 415 dev->tuner_name = "MT2266"; 416 goto tuner_found; 417 } 418 419 /* check FC2580 ID register; reg=01 val=56 */ 420 ret = rtl28xxu_ctrl_msg(d, &req_fc2580); 421 if (ret == 0 && buf[0] == 0x56) { 422 dev->tuner = TUNER_RTL2832_FC2580; 423 dev->tuner_name = "FC2580"; 424 goto tuner_found; 425 } 426 427 /* check MT2063 ID register; reg=00 val=9e || 9c */ 428 ret = rtl28xxu_ctrl_msg(d, &req_mt2063); 429 if (ret == 0 && (buf[0] == 0x9e || buf[0] == 0x9c)) { 430 dev->tuner = TUNER_RTL2832_MT2063; 431 dev->tuner_name = "MT2063"; 432 goto tuner_found; 433 } 434 435 /* check MAX3543 ID register; reg=00 val=38 */ 436 ret = rtl28xxu_ctrl_msg(d, &req_max3543); 437 if (ret == 0 && buf[0] == 0x38) { 438 dev->tuner = TUNER_RTL2832_MAX3543; 439 dev->tuner_name = "MAX3543"; 440 goto tuner_found; 441 } 442 443 /* check TUA9001 ID register; reg=7e val=2328 */ 444 ret = rtl28xxu_ctrl_msg(d, &req_tua9001); 445 if (ret == 0 && buf[0] == 0x23 && buf[1] == 0x28) { 446 dev->tuner = TUNER_RTL2832_TUA9001; 447 dev->tuner_name = "TUA9001"; 448 goto tuner_found; 449 } 450 451 /* check MXL5007R ID register; reg=d9 val=14 */ 452 ret = rtl28xxu_ctrl_msg(d, &req_mxl5007t); 453 if (ret == 0 && buf[0] == 0x14) { 454 dev->tuner = TUNER_RTL2832_MXL5007T; 455 dev->tuner_name = "MXL5007T"; 456 goto tuner_found; 457 } 458 459 /* check E4000 ID register; reg=02 val=40 */ 460 ret = rtl28xxu_ctrl_msg(d, &req_e4000); 461 if (ret == 0 && buf[0] == 0x40) { 462 dev->tuner = TUNER_RTL2832_E4000; 463 dev->tuner_name = "E4000"; 464 goto tuner_found; 465 } 466 467 /* check TDA18272 ID register; reg=00 val=c760 */ 468 ret = rtl28xxu_ctrl_msg(d, &req_tda18272); 469 if (ret == 0 && (buf[0] == 0xc7 || buf[1] == 0x60)) { 470 dev->tuner = TUNER_RTL2832_TDA18272; 471 dev->tuner_name = "TDA18272"; 472 goto tuner_found; 473 } 474 475 /* check R820T ID register; reg=00 val=69 */ 476 ret = rtl28xxu_ctrl_msg(d, &req_r820t); 477 if (ret == 0 && buf[0] == 0x69) { 478 dev->tuner = TUNER_RTL2832_R820T; 479 dev->tuner_name = "R820T"; 480 goto tuner_found; 481 } 482 483 /* check R828D ID register; reg=00 val=69 */ 484 ret = rtl28xxu_ctrl_msg(d, &req_r828d); 485 if (ret == 0 && buf[0] == 0x69) { 486 dev->tuner = TUNER_RTL2832_R828D; 487 dev->tuner_name = "R828D"; 488 goto tuner_found; 489 } 490 491tuner_found: 492 dev_dbg(&d->intf->dev, "tuner=%s\n", dev->tuner_name); 493 494 /* probe slave demod */ 495 if (dev->tuner == TUNER_RTL2832_R828D) { 496 /* power on MN88472 demod on GPIO0 */ 497 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x01, 0x01); 498 if (ret) 499 goto err; 500 501 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_DIR, 0x00, 0x01); 502 if (ret) 503 goto err; 504 505 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x01, 0x01); 506 if (ret) 507 goto err; 508 509 /* check MN88472 answers */ 510 ret = rtl28xxu_ctrl_msg(d, &req_mn88472); 511 if (ret == 0 && buf[0] == 0x02) { 512 dev_dbg(&d->intf->dev, "MN88472 found\n"); 513 dev->slave_demod = SLAVE_DEMOD_MN88472; 514 goto demod_found; 515 } 516 517 ret = rtl28xxu_ctrl_msg(d, &req_mn88473); 518 if (ret == 0 && buf[0] == 0x03) { 519 dev_dbg(&d->intf->dev, "MN88473 found\n"); 520 dev->slave_demod = SLAVE_DEMOD_MN88473; 521 goto demod_found; 522 } 523 } 524 525demod_found: 526 /* close demod I2C gate */ 527 ret = rtl28xxu_ctrl_msg(d, &req_gate_close); 528 if (ret < 0) 529 goto err; 530 531 return 0; 532err: 533 dev_dbg(&d->intf->dev, "failed=%d\n", ret); 534 return ret; 535} 536 537static int rtl28xxu_read_config(struct dvb_usb_device *d) 538{ 539 struct rtl28xxu_dev *dev = d_to_priv(d); 540 541 if (dev->chip_id == CHIP_ID_RTL2831U) 542 return rtl2831u_read_config(d); 543 else 544 return rtl2832u_read_config(d); 545} 546 547static int rtl28xxu_identify_state(struct dvb_usb_device *d, const char **name) 548{ 549 struct rtl28xxu_dev *dev = d_to_priv(d); 550 int ret; 551 struct rtl28xxu_req req_demod_i2c = {0x0020, CMD_I2C_DA_RD, 0, NULL}; 552 553 dev_dbg(&d->intf->dev, "\n"); 554 555 /* 556 * Detect chip type using I2C command that is not supported 557 * by old RTL2831U. 558 */ 559 ret = rtl28xxu_ctrl_msg(d, &req_demod_i2c); 560 if (ret == -EPIPE) { 561 dev->chip_id = CHIP_ID_RTL2831U; 562 } else if (ret == 0) { 563 dev->chip_id = CHIP_ID_RTL2832U; 564 } else { 565 dev_err(&d->intf->dev, "chip type detection failed %d\n", ret); 566 goto err; 567 } 568 dev_dbg(&d->intf->dev, "chip_id=%u\n", dev->chip_id); 569 570 return WARM; 571err: 572 dev_dbg(&d->intf->dev, "failed=%d\n", ret); 573 return ret; 574} 575 576static const struct rtl2830_platform_data rtl2830_mt2060_platform_data = { 577 .clk = 28800000, 578 .spec_inv = 1, 579 .vtop = 0x20, 580 .krf = 0x04, 581 .agc_targ_val = 0x2d, 582 583}; 584 585static const struct rtl2830_platform_data rtl2830_qt1010_platform_data = { 586 .clk = 28800000, 587 .spec_inv = 1, 588 .vtop = 0x20, 589 .krf = 0x04, 590 .agc_targ_val = 0x2d, 591}; 592 593static const struct rtl2830_platform_data rtl2830_mxl5005s_platform_data = { 594 .clk = 28800000, 595 .spec_inv = 0, 596 .vtop = 0x3f, 597 .krf = 0x04, 598 .agc_targ_val = 0x3e, 599}; 600 601static int rtl2831u_frontend_attach(struct dvb_usb_adapter *adap) 602{ 603 struct dvb_usb_device *d = adap_to_d(adap); 604 struct rtl28xxu_dev *dev = d_to_priv(d); 605 struct rtl2830_platform_data *pdata = &dev->rtl2830_platform_data; 606 struct i2c_board_info board_info; 607 struct i2c_client *client; 608 int ret; 609 610 dev_dbg(&d->intf->dev, "\n"); 611 612 switch (dev->tuner) { 613 case TUNER_RTL2830_QT1010: 614 *pdata = rtl2830_qt1010_platform_data; 615 break; 616 case TUNER_RTL2830_MT2060: 617 *pdata = rtl2830_mt2060_platform_data; 618 break; 619 case TUNER_RTL2830_MXL5005S: 620 *pdata = rtl2830_mxl5005s_platform_data; 621 break; 622 default: 623 dev_err(&d->intf->dev, "unknown tuner %s\n", dev->tuner_name); 624 ret = -ENODEV; 625 goto err; 626 } 627 628 /* attach demodulator */ 629 memset(&board_info, 0, sizeof(board_info)); 630 strlcpy(board_info.type, "rtl2830", I2C_NAME_SIZE); 631 board_info.addr = 0x10; 632 board_info.platform_data = pdata; 633 request_module("%s", board_info.type); 634 client = i2c_new_device(&d->i2c_adap, &board_info); 635 if (client == NULL || client->dev.driver == NULL) { 636 ret = -ENODEV; 637 goto err; 638 } 639 640 if (!try_module_get(client->dev.driver->owner)) { 641 i2c_unregister_device(client); 642 ret = -ENODEV; 643 goto err; 644 } 645 646 adap->fe[0] = pdata->get_dvb_frontend(client); 647 dev->demod_i2c_adapter = pdata->get_i2c_adapter(client); 648 649 dev->i2c_client_demod = client; 650 651 return 0; 652err: 653 dev_dbg(&d->intf->dev, "failed=%d\n", ret); 654 return ret; 655} 656 657static const struct rtl2832_platform_data rtl2832_fc0012_platform_data = { 658 .clk = 28800000, 659 .tuner = TUNER_RTL2832_FC0012 660}; 661 662static const struct rtl2832_platform_data rtl2832_fc0013_platform_data = { 663 .clk = 28800000, 664 .tuner = TUNER_RTL2832_FC0013 665}; 666 667static const struct rtl2832_platform_data rtl2832_tua9001_platform_data = { 668 .clk = 28800000, 669 .tuner = TUNER_RTL2832_TUA9001, 670}; 671 672static const struct rtl2832_platform_data rtl2832_e4000_platform_data = { 673 .clk = 28800000, 674 .tuner = TUNER_RTL2832_E4000, 675}; 676 677static const struct rtl2832_platform_data rtl2832_r820t_platform_data = { 678 .clk = 28800000, 679 .tuner = TUNER_RTL2832_R820T, 680}; 681 682static int rtl2832u_fc0012_tuner_callback(struct dvb_usb_device *d, 683 int cmd, int arg) 684{ 685 int ret; 686 u8 val; 687 688 dev_dbg(&d->intf->dev, "cmd=%d arg=%d\n", cmd, arg); 689 690 switch (cmd) { 691 case FC_FE_CALLBACK_VHF_ENABLE: 692 /* set output values */ 693 ret = rtl28xxu_rd_reg(d, SYS_GPIO_OUT_VAL, &val); 694 if (ret) 695 goto err; 696 697 if (arg) 698 val &= 0xbf; /* set GPIO6 low */ 699 else 700 val |= 0x40; /* set GPIO6 high */ 701 702 703 ret = rtl28xxu_wr_reg(d, SYS_GPIO_OUT_VAL, val); 704 if (ret) 705 goto err; 706 break; 707 default: 708 ret = -EINVAL; 709 goto err; 710 } 711 return 0; 712err: 713 dev_dbg(&d->intf->dev, "failed=%d\n", ret); 714 return ret; 715} 716 717static int rtl2832u_tua9001_tuner_callback(struct dvb_usb_device *d, 718 int cmd, int arg) 719{ 720 int ret; 721 u8 val; 722 723 dev_dbg(&d->intf->dev, "cmd=%d arg=%d\n", cmd, arg); 724 725 /* 726 * CEN always enabled by hardware wiring 727 * RESETN GPIO4 728 * RXEN GPIO1 729 */ 730 731 switch (cmd) { 732 case TUA9001_CMD_RESETN: 733 if (arg) 734 val = (1 << 4); 735 else 736 val = (0 << 4); 737 738 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, val, 0x10); 739 if (ret) 740 goto err; 741 break; 742 case TUA9001_CMD_RXEN: 743 if (arg) 744 val = (1 << 1); 745 else 746 val = (0 << 1); 747 748 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, val, 0x02); 749 if (ret) 750 goto err; 751 break; 752 } 753 754 return 0; 755err: 756 dev_dbg(&d->intf->dev, "failed=%d\n", ret); 757 return ret; 758} 759 760static int rtl2832u_frontend_callback(void *adapter_priv, int component, 761 int cmd, int arg) 762{ 763 struct i2c_adapter *adapter = adapter_priv; 764 struct device *parent = adapter->dev.parent; 765 struct i2c_adapter *parent_adapter; 766 struct dvb_usb_device *d; 767 struct rtl28xxu_dev *dev; 768 769 /* 770 * All tuners are connected to demod muxed I2C adapter. We have to 771 * resolve its parent adapter in order to get handle for this driver 772 * private data. That is a bit hackish solution, GPIO or direct driver 773 * callback would be better... 774 */ 775 if (parent != NULL && parent->type == &i2c_adapter_type) 776 parent_adapter = to_i2c_adapter(parent); 777 else 778 return -EINVAL; 779 780 d = i2c_get_adapdata(parent_adapter); 781 dev = d->priv; 782 783 dev_dbg(&d->intf->dev, "component=%d cmd=%d arg=%d\n", 784 component, cmd, arg); 785 786 switch (component) { 787 case DVB_FRONTEND_COMPONENT_TUNER: 788 switch (dev->tuner) { 789 case TUNER_RTL2832_FC0012: 790 return rtl2832u_fc0012_tuner_callback(d, cmd, arg); 791 case TUNER_RTL2832_TUA9001: 792 return rtl2832u_tua9001_tuner_callback(d, cmd, arg); 793 } 794 } 795 796 return 0; 797} 798 799static int rtl2832u_frontend_attach(struct dvb_usb_adapter *adap) 800{ 801 struct dvb_usb_device *d = adap_to_d(adap); 802 struct rtl28xxu_dev *dev = d_to_priv(d); 803 struct rtl2832_platform_data *pdata = &dev->rtl2832_platform_data; 804 struct i2c_board_info board_info; 805 struct i2c_client *client; 806 int ret; 807 808 dev_dbg(&d->intf->dev, "\n"); 809 810 switch (dev->tuner) { 811 case TUNER_RTL2832_FC0012: 812 *pdata = rtl2832_fc0012_platform_data; 813 break; 814 case TUNER_RTL2832_FC0013: 815 *pdata = rtl2832_fc0013_platform_data; 816 break; 817 case TUNER_RTL2832_FC2580: 818 /* FIXME: do not abuse fc0012 settings */ 819 *pdata = rtl2832_fc0012_platform_data; 820 break; 821 case TUNER_RTL2832_TUA9001: 822 *pdata = rtl2832_tua9001_platform_data; 823 break; 824 case TUNER_RTL2832_E4000: 825 *pdata = rtl2832_e4000_platform_data; 826 break; 827 case TUNER_RTL2832_R820T: 828 case TUNER_RTL2832_R828D: 829 *pdata = rtl2832_r820t_platform_data; 830 break; 831 default: 832 dev_err(&d->intf->dev, "unknown tuner %s\n", dev->tuner_name); 833 ret = -ENODEV; 834 goto err; 835 } 836 837 /* attach demodulator */ 838 memset(&board_info, 0, sizeof(board_info)); 839 strlcpy(board_info.type, "rtl2832", I2C_NAME_SIZE); 840 board_info.addr = 0x10; 841 board_info.platform_data = pdata; 842 request_module("%s", board_info.type); 843 client = i2c_new_device(&d->i2c_adap, &board_info); 844 if (client == NULL || client->dev.driver == NULL) { 845 ret = -ENODEV; 846 goto err; 847 } 848 849 if (!try_module_get(client->dev.driver->owner)) { 850 i2c_unregister_device(client); 851 ret = -ENODEV; 852 goto err; 853 } 854 855 adap->fe[0] = pdata->get_dvb_frontend(client); 856 dev->demod_i2c_adapter = pdata->get_i2c_adapter(client); 857 858 dev->i2c_client_demod = client; 859 860 /* set fe callback */ 861 adap->fe[0]->callback = rtl2832u_frontend_callback; 862 863 if (dev->slave_demod) { 864 struct i2c_board_info info = {}; 865 866 /* 867 * We continue on reduced mode, without DVB-T2/C, using master 868 * demod, when slave demod fails. 869 */ 870 ret = 0; 871 872 /* attach slave demodulator */ 873 if (dev->slave_demod == SLAVE_DEMOD_MN88472) { 874 struct mn88472_config mn88472_config = {}; 875 876 mn88472_config.fe = &adap->fe[1]; 877 mn88472_config.i2c_wr_max = 22, 878 strlcpy(info.type, "mn88472", I2C_NAME_SIZE); 879 mn88472_config.xtal = 20500000; 880 mn88472_config.ts_mode = SERIAL_TS_MODE; 881 mn88472_config.ts_clock = VARIABLE_TS_CLOCK; 882 info.addr = 0x18; 883 info.platform_data = &mn88472_config; 884 request_module(info.type); 885 client = i2c_new_device(&d->i2c_adap, &info); 886 if (client == NULL || client->dev.driver == NULL) { 887 dev->slave_demod = SLAVE_DEMOD_NONE; 888 goto err_slave_demod_failed; 889 } 890 891 if (!try_module_get(client->dev.driver->owner)) { 892 i2c_unregister_device(client); 893 dev->slave_demod = SLAVE_DEMOD_NONE; 894 goto err_slave_demod_failed; 895 } 896 897 dev->i2c_client_slave_demod = client; 898 } else { 899 struct mn88473_config mn88473_config = {}; 900 901 mn88473_config.fe = &adap->fe[1]; 902 mn88473_config.i2c_wr_max = 22, 903 strlcpy(info.type, "mn88473", I2C_NAME_SIZE); 904 info.addr = 0x18; 905 info.platform_data = &mn88473_config; 906 request_module(info.type); 907 client = i2c_new_device(&d->i2c_adap, &info); 908 if (client == NULL || client->dev.driver == NULL) { 909 dev->slave_demod = SLAVE_DEMOD_NONE; 910 goto err_slave_demod_failed; 911 } 912 913 if (!try_module_get(client->dev.driver->owner)) { 914 i2c_unregister_device(client); 915 dev->slave_demod = SLAVE_DEMOD_NONE; 916 goto err_slave_demod_failed; 917 } 918 919 dev->i2c_client_slave_demod = client; 920 } 921 } 922 923 return 0; 924err_slave_demod_failed: 925err: 926 dev_dbg(&d->intf->dev, "failed=%d\n", ret); 927 return ret; 928} 929 930static int rtl28xxu_frontend_attach(struct dvb_usb_adapter *adap) 931{ 932 struct rtl28xxu_dev *dev = adap_to_priv(adap); 933 934 if (dev->chip_id == CHIP_ID_RTL2831U) 935 return rtl2831u_frontend_attach(adap); 936 else 937 return rtl2832u_frontend_attach(adap); 938} 939 940static int rtl28xxu_frontend_detach(struct dvb_usb_adapter *adap) 941{ 942 struct dvb_usb_device *d = adap_to_d(adap); 943 struct rtl28xxu_dev *dev = d_to_priv(d); 944 struct i2c_client *client; 945 946 dev_dbg(&d->intf->dev, "\n"); 947 948 /* remove I2C slave demod */ 949 client = dev->i2c_client_slave_demod; 950 if (client) { 951 module_put(client->dev.driver->owner); 952 i2c_unregister_device(client); 953 } 954 955 /* remove I2C demod */ 956 client = dev->i2c_client_demod; 957 if (client) { 958 module_put(client->dev.driver->owner); 959 i2c_unregister_device(client); 960 } 961 962 return 0; 963} 964 965static struct qt1010_config rtl28xxu_qt1010_config = { 966 .i2c_address = 0x62, /* 0xc4 */ 967}; 968 969static struct mt2060_config rtl28xxu_mt2060_config = { 970 .i2c_address = 0x60, /* 0xc0 */ 971 .clock_out = 0, 972}; 973 974static struct mxl5005s_config rtl28xxu_mxl5005s_config = { 975 .i2c_address = 0x63, /* 0xc6 */ 976 .if_freq = IF_FREQ_4570000HZ, 977 .xtal_freq = CRYSTAL_FREQ_16000000HZ, 978 .agc_mode = MXL_SINGLE_AGC, 979 .tracking_filter = MXL_TF_C_H, 980 .rssi_enable = MXL_RSSI_ENABLE, 981 .cap_select = MXL_CAP_SEL_ENABLE, 982 .div_out = MXL_DIV_OUT_4, 983 .clock_out = MXL_CLOCK_OUT_DISABLE, 984 .output_load = MXL5005S_IF_OUTPUT_LOAD_200_OHM, 985 .top = MXL5005S_TOP_25P2, 986 .mod_mode = MXL_DIGITAL_MODE, 987 .if_mode = MXL_ZERO_IF, 988 .AgcMasterByte = 0x00, 989}; 990 991static int rtl2831u_tuner_attach(struct dvb_usb_adapter *adap) 992{ 993 int ret; 994 struct dvb_usb_device *d = adap_to_d(adap); 995 struct rtl28xxu_dev *dev = d_to_priv(d); 996 struct dvb_frontend *fe; 997 998 dev_dbg(&d->intf->dev, "\n"); 999 1000 switch (dev->tuner) { 1001 case TUNER_RTL2830_QT1010: 1002 fe = dvb_attach(qt1010_attach, adap->fe[0], 1003 dev->demod_i2c_adapter, 1004 &rtl28xxu_qt1010_config); 1005 break; 1006 case TUNER_RTL2830_MT2060: 1007 fe = dvb_attach(mt2060_attach, adap->fe[0], 1008 dev->demod_i2c_adapter, 1009 &rtl28xxu_mt2060_config, 1220); 1010 break; 1011 case TUNER_RTL2830_MXL5005S: 1012 fe = dvb_attach(mxl5005s_attach, adap->fe[0], 1013 dev->demod_i2c_adapter, 1014 &rtl28xxu_mxl5005s_config); 1015 break; 1016 default: 1017 fe = NULL; 1018 dev_err(&d->intf->dev, "unknown tuner %d\n", dev->tuner); 1019 } 1020 1021 if (fe == NULL) { 1022 ret = -ENODEV; 1023 goto err; 1024 } 1025 1026 return 0; 1027err: 1028 dev_dbg(&d->intf->dev, "failed=%d\n", ret); 1029 return ret; 1030} 1031 1032static const struct fc2580_config rtl2832u_fc2580_config = { 1033 .i2c_addr = 0x56, 1034 .clock = 16384000, 1035}; 1036 1037static struct tua9001_config rtl2832u_tua9001_config = { 1038 .i2c_addr = 0x60, 1039}; 1040 1041static const struct fc0012_config rtl2832u_fc0012_config = { 1042 .i2c_address = 0x63, /* 0xc6 >> 1 */ 1043 .xtal_freq = FC_XTAL_28_8_MHZ, 1044}; 1045 1046static const struct r820t_config rtl2832u_r820t_config = { 1047 .i2c_addr = 0x1a, 1048 .xtal = 28800000, 1049 .max_i2c_msg_len = 2, 1050 .rafael_chip = CHIP_R820T, 1051}; 1052 1053static const struct r820t_config rtl2832u_r828d_config = { 1054 .i2c_addr = 0x3a, 1055 .xtal = 16000000, 1056 .max_i2c_msg_len = 2, 1057 .rafael_chip = CHIP_R828D, 1058}; 1059 1060static int rtl2832u_tuner_attach(struct dvb_usb_adapter *adap) 1061{ 1062 int ret; 1063 struct dvb_usb_device *d = adap_to_d(adap); 1064 struct rtl28xxu_dev *dev = d_to_priv(d); 1065 struct dvb_frontend *fe = NULL; 1066 struct i2c_board_info info; 1067 struct i2c_client *client; 1068 struct v4l2_subdev *subdev = NULL; 1069 struct platform_device *pdev; 1070 struct rtl2832_sdr_platform_data pdata; 1071 1072 dev_dbg(&d->intf->dev, "\n"); 1073 1074 memset(&info, 0, sizeof(struct i2c_board_info)); 1075 memset(&pdata, 0, sizeof(pdata)); 1076 1077 switch (dev->tuner) { 1078 case TUNER_RTL2832_FC0012: 1079 fe = dvb_attach(fc0012_attach, adap->fe[0], 1080 dev->demod_i2c_adapter, &rtl2832u_fc0012_config); 1081 1082 /* since fc0012 includs reading the signal strength delegate 1083 * that to the tuner driver */ 1084 adap->fe[0]->ops.read_signal_strength = 1085 adap->fe[0]->ops.tuner_ops.get_rf_strength; 1086 break; 1087 case TUNER_RTL2832_FC0013: 1088 fe = dvb_attach(fc0013_attach, adap->fe[0], 1089 dev->demod_i2c_adapter, 0xc6>>1, 0, FC_XTAL_28_8_MHZ); 1090 1091 /* fc0013 also supports signal strength reading */ 1092 adap->fe[0]->ops.read_signal_strength = 1093 adap->fe[0]->ops.tuner_ops.get_rf_strength; 1094 break; 1095 case TUNER_RTL2832_E4000: { 1096 struct e4000_config e4000_config = { 1097 .fe = adap->fe[0], 1098 .clock = 28800000, 1099 }; 1100 1101 strlcpy(info.type, "e4000", I2C_NAME_SIZE); 1102 info.addr = 0x64; 1103 info.platform_data = &e4000_config; 1104 1105 request_module(info.type); 1106 client = i2c_new_device(dev->demod_i2c_adapter, &info); 1107 if (client == NULL || client->dev.driver == NULL) 1108 break; 1109 1110 if (!try_module_get(client->dev.driver->owner)) { 1111 i2c_unregister_device(client); 1112 break; 1113 } 1114 1115 dev->i2c_client_tuner = client; 1116 subdev = i2c_get_clientdata(client); 1117 } 1118 break; 1119 case TUNER_RTL2832_FC2580: 1120 fe = dvb_attach(fc2580_attach, adap->fe[0], 1121 dev->demod_i2c_adapter, 1122 &rtl2832u_fc2580_config); 1123 break; 1124 case TUNER_RTL2832_TUA9001: 1125 /* enable GPIO1 and GPIO4 as output */ 1126 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_DIR, 0x00, 0x12); 1127 if (ret) 1128 goto err; 1129 1130 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x12, 0x12); 1131 if (ret) 1132 goto err; 1133 1134 fe = dvb_attach(tua9001_attach, adap->fe[0], 1135 dev->demod_i2c_adapter, 1136 &rtl2832u_tua9001_config); 1137 break; 1138 case TUNER_RTL2832_R820T: 1139 fe = dvb_attach(r820t_attach, adap->fe[0], 1140 dev->demod_i2c_adapter, 1141 &rtl2832u_r820t_config); 1142 1143 /* Use tuner to get the signal strength */ 1144 adap->fe[0]->ops.read_signal_strength = 1145 adap->fe[0]->ops.tuner_ops.get_rf_strength; 1146 break; 1147 case TUNER_RTL2832_R828D: 1148 fe = dvb_attach(r820t_attach, adap->fe[0], 1149 dev->demod_i2c_adapter, 1150 &rtl2832u_r828d_config); 1151 adap->fe[0]->ops.read_signal_strength = 1152 adap->fe[0]->ops.tuner_ops.get_rf_strength; 1153 1154 if (adap->fe[1]) { 1155 fe = dvb_attach(r820t_attach, adap->fe[1], 1156 dev->demod_i2c_adapter, 1157 &rtl2832u_r828d_config); 1158 adap->fe[1]->ops.read_signal_strength = 1159 adap->fe[1]->ops.tuner_ops.get_rf_strength; 1160 } 1161 break; 1162 default: 1163 dev_err(&d->intf->dev, "unknown tuner %d\n", dev->tuner); 1164 } 1165 if (fe == NULL && dev->i2c_client_tuner == NULL) { 1166 ret = -ENODEV; 1167 goto err; 1168 } 1169 1170 /* register SDR */ 1171 switch (dev->tuner) { 1172 case TUNER_RTL2832_FC0012: 1173 case TUNER_RTL2832_FC0013: 1174 case TUNER_RTL2832_E4000: 1175 case TUNER_RTL2832_R820T: 1176 case TUNER_RTL2832_R828D: 1177 pdata.clk = dev->rtl2832_platform_data.clk; 1178 pdata.tuner = dev->tuner; 1179 pdata.i2c_client = dev->i2c_client_demod; 1180 pdata.bulk_read = dev->rtl2832_platform_data.bulk_read; 1181 pdata.bulk_write = dev->rtl2832_platform_data.bulk_write; 1182 pdata.update_bits = dev->rtl2832_platform_data.update_bits; 1183 pdata.dvb_frontend = adap->fe[0]; 1184 pdata.dvb_usb_device = d; 1185 pdata.v4l2_subdev = subdev; 1186 1187 request_module("%s", "rtl2832_sdr"); 1188 pdev = platform_device_register_data(&d->intf->dev, 1189 "rtl2832_sdr", 1190 PLATFORM_DEVID_AUTO, 1191 &pdata, sizeof(pdata)); 1192 if (pdev == NULL || pdev->dev.driver == NULL) 1193 break; 1194 dev->platform_device_sdr = pdev; 1195 break; 1196 default: 1197 dev_dbg(&d->intf->dev, "no SDR for tuner=%d\n", dev->tuner); 1198 } 1199 1200 return 0; 1201err: 1202 dev_dbg(&d->intf->dev, "failed=%d\n", ret); 1203 return ret; 1204} 1205 1206static int rtl28xxu_tuner_attach(struct dvb_usb_adapter *adap) 1207{ 1208 struct rtl28xxu_dev *dev = adap_to_priv(adap); 1209 1210 if (dev->chip_id == CHIP_ID_RTL2831U) 1211 return rtl2831u_tuner_attach(adap); 1212 else 1213 return rtl2832u_tuner_attach(adap); 1214} 1215 1216static int rtl28xxu_tuner_detach(struct dvb_usb_adapter *adap) 1217{ 1218 struct dvb_usb_device *d = adap_to_d(adap); 1219 struct rtl28xxu_dev *dev = d_to_priv(d); 1220 struct i2c_client *client; 1221 struct platform_device *pdev; 1222 1223 dev_dbg(&d->intf->dev, "\n"); 1224 1225 /* remove platform SDR */ 1226 pdev = dev->platform_device_sdr; 1227 if (pdev) 1228 platform_device_unregister(pdev); 1229 1230 /* remove I2C tuner */ 1231 client = dev->i2c_client_tuner; 1232 if (client) { 1233 module_put(client->dev.driver->owner); 1234 i2c_unregister_device(client); 1235 } 1236 1237 return 0; 1238} 1239 1240static int rtl28xxu_init(struct dvb_usb_device *d) 1241{ 1242 int ret; 1243 u8 val; 1244 1245 dev_dbg(&d->intf->dev, "\n"); 1246 1247 /* init USB endpoints */ 1248 ret = rtl28xxu_rd_reg(d, USB_SYSCTL_0, &val); 1249 if (ret) 1250 goto err; 1251 1252 /* enable DMA and Full Packet Mode*/ 1253 val |= 0x09; 1254 ret = rtl28xxu_wr_reg(d, USB_SYSCTL_0, val); 1255 if (ret) 1256 goto err; 1257 1258 /* set EPA maximum packet size to 0x0200 */ 1259 ret = rtl28xxu_wr_regs(d, USB_EPA_MAXPKT, "\x00\x02\x00\x00", 4); 1260 if (ret) 1261 goto err; 1262 1263 /* change EPA FIFO length */ 1264 ret = rtl28xxu_wr_regs(d, USB_EPA_FIFO_CFG, "\x14\x00\x00\x00", 4); 1265 if (ret) 1266 goto err; 1267 1268 return ret; 1269err: 1270 dev_dbg(&d->intf->dev, "failed=%d\n", ret); 1271 return ret; 1272} 1273 1274static int rtl2831u_power_ctrl(struct dvb_usb_device *d, int onoff) 1275{ 1276 int ret; 1277 u8 gpio, sys0, epa_ctl[2]; 1278 1279 dev_dbg(&d->intf->dev, "onoff=%d\n", onoff); 1280 1281 /* demod adc */ 1282 ret = rtl28xxu_rd_reg(d, SYS_SYS0, &sys0); 1283 if (ret) 1284 goto err; 1285 1286 /* tuner power, read GPIOs */ 1287 ret = rtl28xxu_rd_reg(d, SYS_GPIO_OUT_VAL, &gpio); 1288 if (ret) 1289 goto err; 1290 1291 dev_dbg(&d->intf->dev, "RD SYS0=%02x GPIO_OUT_VAL=%02x\n", sys0, gpio); 1292 1293 if (onoff) { 1294 gpio |= 0x01; /* GPIO0 = 1 */ 1295 gpio &= (~0x10); /* GPIO4 = 0 */ 1296 gpio |= 0x04; /* GPIO2 = 1, LED on */ 1297 sys0 = sys0 & 0x0f; 1298 sys0 |= 0xe0; 1299 epa_ctl[0] = 0x00; /* clear stall */ 1300 epa_ctl[1] = 0x00; /* clear reset */ 1301 } else { 1302 gpio &= (~0x01); /* GPIO0 = 0 */ 1303 gpio |= 0x10; /* GPIO4 = 1 */ 1304 gpio &= (~0x04); /* GPIO2 = 1, LED off */ 1305 sys0 = sys0 & (~0xc0); 1306 epa_ctl[0] = 0x10; /* set stall */ 1307 epa_ctl[1] = 0x02; /* set reset */ 1308 } 1309 1310 dev_dbg(&d->intf->dev, "WR SYS0=%02x GPIO_OUT_VAL=%02x\n", sys0, gpio); 1311 1312 /* demod adc */ 1313 ret = rtl28xxu_wr_reg(d, SYS_SYS0, sys0); 1314 if (ret) 1315 goto err; 1316 1317 /* tuner power, write GPIOs */ 1318 ret = rtl28xxu_wr_reg(d, SYS_GPIO_OUT_VAL, gpio); 1319 if (ret) 1320 goto err; 1321 1322 /* streaming EP: stall & reset */ 1323 ret = rtl28xxu_wr_regs(d, USB_EPA_CTL, epa_ctl, 2); 1324 if (ret) 1325 goto err; 1326 1327 if (onoff) 1328 usb_clear_halt(d->udev, usb_rcvbulkpipe(d->udev, 0x81)); 1329 1330 return ret; 1331err: 1332 dev_dbg(&d->intf->dev, "failed=%d\n", ret); 1333 return ret; 1334} 1335 1336static int rtl2832u_power_ctrl(struct dvb_usb_device *d, int onoff) 1337{ 1338 int ret; 1339 1340 dev_dbg(&d->intf->dev, "onoff=%d\n", onoff); 1341 1342 if (onoff) { 1343 /* GPIO3=1, GPIO4=0 */ 1344 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x08, 0x18); 1345 if (ret) 1346 goto err; 1347 1348 /* suspend? */ 1349 ret = rtl28xxu_wr_reg_mask(d, SYS_DEMOD_CTL1, 0x00, 0x10); 1350 if (ret) 1351 goto err; 1352 1353 /* enable PLL */ 1354 ret = rtl28xxu_wr_reg_mask(d, SYS_DEMOD_CTL, 0x80, 0x80); 1355 if (ret) 1356 goto err; 1357 1358 /* disable reset */ 1359 ret = rtl28xxu_wr_reg_mask(d, SYS_DEMOD_CTL, 0x20, 0x20); 1360 if (ret) 1361 goto err; 1362 1363 /* streaming EP: clear stall & reset */ 1364 ret = rtl28xxu_wr_regs(d, USB_EPA_CTL, "\x00\x00", 2); 1365 if (ret) 1366 goto err; 1367 1368 ret = usb_clear_halt(d->udev, usb_rcvbulkpipe(d->udev, 0x81)); 1369 if (ret) 1370 goto err; 1371 } else { 1372 /* GPIO4=1 */ 1373 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x10, 0x10); 1374 if (ret) 1375 goto err; 1376 1377 /* disable PLL */ 1378 ret = rtl28xxu_wr_reg_mask(d, SYS_DEMOD_CTL, 0x00, 0x80); 1379 if (ret) 1380 goto err; 1381 1382 /* streaming EP: set stall & reset */ 1383 ret = rtl28xxu_wr_regs(d, USB_EPA_CTL, "\x10\x02", 2); 1384 if (ret) 1385 goto err; 1386 } 1387 1388 return ret; 1389err: 1390 dev_dbg(&d->intf->dev, "failed=%d\n", ret); 1391 return ret; 1392} 1393 1394static int rtl28xxu_power_ctrl(struct dvb_usb_device *d, int onoff) 1395{ 1396 struct rtl28xxu_dev *dev = d_to_priv(d); 1397 1398 if (dev->chip_id == CHIP_ID_RTL2831U) 1399 return rtl2831u_power_ctrl(d, onoff); 1400 else 1401 return rtl2832u_power_ctrl(d, onoff); 1402} 1403 1404static int rtl28xxu_frontend_ctrl(struct dvb_frontend *fe, int onoff) 1405{ 1406 struct dvb_usb_device *d = fe_to_d(fe); 1407 struct rtl28xxu_dev *dev = fe_to_priv(fe); 1408 struct rtl2832_platform_data *pdata = &dev->rtl2832_platform_data; 1409 int ret; 1410 u8 val; 1411 1412 dev_dbg(&d->intf->dev, "fe=%d onoff=%d\n", fe->id, onoff); 1413 1414 if (dev->chip_id == CHIP_ID_RTL2831U) 1415 return 0; 1416 1417 /* control internal demod ADC */ 1418 if (fe->id == 0 && onoff) 1419 val = 0x48; /* enable ADC */ 1420 else 1421 val = 0x00; /* disable ADC */ 1422 1423 ret = rtl28xxu_wr_reg_mask(d, SYS_DEMOD_CTL, val, 0x48); 1424 if (ret) 1425 goto err; 1426 1427 /* bypass slave demod TS through master demod */ 1428 if (fe->id == 1 && onoff) { 1429 ret = pdata->enable_slave_ts(dev->i2c_client_demod); 1430 if (ret) 1431 goto err; 1432 } 1433 1434 return 0; 1435err: 1436 dev_dbg(&d->intf->dev, "failed=%d\n", ret); 1437 return ret; 1438} 1439 1440#if IS_ENABLED(CONFIG_RC_CORE) 1441static int rtl2831u_rc_query(struct dvb_usb_device *d) 1442{ 1443 int ret, i; 1444 struct rtl28xxu_dev *dev = d->priv; 1445 u8 buf[5]; 1446 u32 rc_code; 1447 struct rtl28xxu_reg_val rc_nec_tab[] = { 1448 { 0x3033, 0x80 }, 1449 { 0x3020, 0x43 }, 1450 { 0x3021, 0x16 }, 1451 { 0x3022, 0x16 }, 1452 { 0x3023, 0x5a }, 1453 { 0x3024, 0x2d }, 1454 { 0x3025, 0x16 }, 1455 { 0x3026, 0x01 }, 1456 { 0x3028, 0xb0 }, 1457 { 0x3029, 0x04 }, 1458 { 0x302c, 0x88 }, 1459 { 0x302e, 0x13 }, 1460 { 0x3030, 0xdf }, 1461 { 0x3031, 0x05 }, 1462 }; 1463 1464 /* init remote controller */ 1465 if (!dev->rc_active) { 1466 for (i = 0; i < ARRAY_SIZE(rc_nec_tab); i++) { 1467 ret = rtl28xxu_wr_reg(d, rc_nec_tab[i].reg, 1468 rc_nec_tab[i].val); 1469 if (ret) 1470 goto err; 1471 } 1472 dev->rc_active = true; 1473 } 1474 1475 ret = rtl28xxu_rd_regs(d, SYS_IRRC_RP, buf, 5); 1476 if (ret) 1477 goto err; 1478 1479 if (buf[4] & 0x01) { 1480 if (buf[2] == (u8) ~buf[3]) { 1481 if (buf[0] == (u8) ~buf[1]) { 1482 /* NEC standard (16 bit) */ 1483 rc_code = RC_SCANCODE_NEC(buf[0], buf[2]); 1484 } else { 1485 /* NEC extended (24 bit) */ 1486 rc_code = RC_SCANCODE_NECX(buf[0] << 8 | buf[1], 1487 buf[2]); 1488 } 1489 } else { 1490 /* NEC full (32 bit) */ 1491 rc_code = RC_SCANCODE_NEC32(buf[0] << 24 | buf[1] << 16 | 1492 buf[2] << 8 | buf[3]); 1493 } 1494 1495 rc_keydown(d->rc_dev, RC_TYPE_NEC, rc_code, 0); 1496 1497 ret = rtl28xxu_wr_reg(d, SYS_IRRC_SR, 1); 1498 if (ret) 1499 goto err; 1500 1501 /* repeated intentionally to avoid extra keypress */ 1502 ret = rtl28xxu_wr_reg(d, SYS_IRRC_SR, 1); 1503 if (ret) 1504 goto err; 1505 } 1506 1507 return ret; 1508err: 1509 dev_dbg(&d->intf->dev, "failed=%d\n", ret); 1510 return ret; 1511} 1512 1513static int rtl2831u_get_rc_config(struct dvb_usb_device *d, 1514 struct dvb_usb_rc *rc) 1515{ 1516 rc->map_name = RC_MAP_EMPTY; 1517 rc->allowed_protos = RC_BIT_NEC; 1518 rc->query = rtl2831u_rc_query; 1519 rc->interval = 400; 1520 1521 return 0; 1522} 1523 1524static int rtl2832u_rc_query(struct dvb_usb_device *d) 1525{ 1526 int ret, i, len; 1527 struct rtl28xxu_dev *dev = d->priv; 1528 struct ir_raw_event ev; 1529 u8 buf[128]; 1530 static const struct rtl28xxu_reg_val_mask refresh_tab[] = { 1531 {IR_RX_IF, 0x03, 0xff}, 1532 {IR_RX_BUF_CTRL, 0x80, 0xff}, 1533 {IR_RX_CTRL, 0x80, 0xff}, 1534 }; 1535 1536 /* init remote controller */ 1537 if (!dev->rc_active) { 1538 static const struct rtl28xxu_reg_val_mask init_tab[] = { 1539 {SYS_DEMOD_CTL1, 0x00, 0x04}, 1540 {SYS_DEMOD_CTL1, 0x00, 0x08}, 1541 {USB_CTRL, 0x20, 0x20}, 1542 {SYS_GPIO_DIR, 0x00, 0x08}, 1543 {SYS_GPIO_OUT_EN, 0x08, 0x08}, 1544 {SYS_GPIO_OUT_VAL, 0x08, 0x08}, 1545 {IR_MAX_DURATION0, 0xd0, 0xff}, 1546 {IR_MAX_DURATION1, 0x07, 0xff}, 1547 {IR_IDLE_LEN0, 0xc0, 0xff}, 1548 {IR_IDLE_LEN1, 0x00, 0xff}, 1549 {IR_GLITCH_LEN, 0x03, 0xff}, 1550 {IR_RX_CLK, 0x09, 0xff}, 1551 {IR_RX_CFG, 0x1c, 0xff}, 1552 {IR_MAX_H_TOL_LEN, 0x1e, 0xff}, 1553 {IR_MAX_L_TOL_LEN, 0x1e, 0xff}, 1554 {IR_RX_CTRL, 0x80, 0xff}, 1555 }; 1556 1557 for (i = 0; i < ARRAY_SIZE(init_tab); i++) { 1558 ret = rtl28xxu_wr_reg_mask(d, init_tab[i].reg, 1559 init_tab[i].val, init_tab[i].mask); 1560 if (ret) 1561 goto err; 1562 } 1563 1564 dev->rc_active = true; 1565 } 1566 1567 ret = rtl28xxu_rd_reg(d, IR_RX_IF, &buf[0]); 1568 if (ret) 1569 goto err; 1570 1571 if (buf[0] != 0x83) 1572 goto exit; 1573 1574 ret = rtl28xxu_rd_reg(d, IR_RX_BC, &buf[0]); 1575 if (ret) 1576 goto err; 1577 1578 len = buf[0]; 1579 1580 /* read raw code from hw */ 1581 ret = rtl28xxu_rd_regs(d, IR_RX_BUF, buf, len); 1582 if (ret) 1583 goto err; 1584 1585 /* let hw receive new code */ 1586 for (i = 0; i < ARRAY_SIZE(refresh_tab); i++) { 1587 ret = rtl28xxu_wr_reg_mask(d, refresh_tab[i].reg, 1588 refresh_tab[i].val, refresh_tab[i].mask); 1589 if (ret) 1590 goto err; 1591 } 1592 1593 /* pass data to Kernel IR decoder */ 1594 init_ir_raw_event(&ev); 1595 1596 for (i = 0; i < len; i++) { 1597 ev.pulse = buf[i] >> 7; 1598 ev.duration = 50800 * (buf[i] & 0x7f); 1599 ir_raw_event_store_with_filter(d->rc_dev, &ev); 1600 } 1601 1602 /* 'flush' ir_raw_event_store_with_filter() */ 1603 ir_raw_event_set_idle(d->rc_dev, true); 1604 ir_raw_event_handle(d->rc_dev); 1605exit: 1606 return ret; 1607err: 1608 dev_dbg(&d->intf->dev, "failed=%d\n", ret); 1609 return ret; 1610} 1611 1612static int rtl2832u_get_rc_config(struct dvb_usb_device *d, 1613 struct dvb_usb_rc *rc) 1614{ 1615 /* disable IR interrupts in order to avoid SDR sample loss */ 1616 if (rtl28xxu_disable_rc) 1617 return rtl28xxu_wr_reg(d, IR_RX_IE, 0x00); 1618 1619 /* load empty to enable rc */ 1620 if (!rc->map_name) 1621 rc->map_name = RC_MAP_EMPTY; 1622 rc->allowed_protos = RC_BIT_ALL; 1623 rc->driver_type = RC_DRIVER_IR_RAW; 1624 rc->query = rtl2832u_rc_query; 1625 rc->interval = 200; 1626 1627 return 0; 1628} 1629 1630static int rtl28xxu_get_rc_config(struct dvb_usb_device *d, 1631 struct dvb_usb_rc *rc) 1632{ 1633 struct rtl28xxu_dev *dev = d_to_priv(d); 1634 1635 if (dev->chip_id == CHIP_ID_RTL2831U) 1636 return rtl2831u_get_rc_config(d, rc); 1637 else 1638 return rtl2832u_get_rc_config(d, rc); 1639} 1640#else 1641#define rtl28xxu_get_rc_config NULL 1642#endif 1643 1644static int rtl28xxu_pid_filter_ctrl(struct dvb_usb_adapter *adap, int onoff) 1645{ 1646 struct rtl28xxu_dev *dev = adap_to_priv(adap); 1647 1648 if (dev->chip_id == CHIP_ID_RTL2831U) { 1649 struct rtl2830_platform_data *pdata = &dev->rtl2830_platform_data; 1650 1651 return pdata->pid_filter_ctrl(adap->fe[0], onoff); 1652 } else { 1653 struct rtl2832_platform_data *pdata = &dev->rtl2832_platform_data; 1654 1655 return pdata->pid_filter_ctrl(adap->fe[0], onoff); 1656 } 1657} 1658 1659static int rtl28xxu_pid_filter(struct dvb_usb_adapter *adap, int index, 1660 u16 pid, int onoff) 1661{ 1662 struct rtl28xxu_dev *dev = adap_to_priv(adap); 1663 1664 if (dev->chip_id == CHIP_ID_RTL2831U) { 1665 struct rtl2830_platform_data *pdata = &dev->rtl2830_platform_data; 1666 1667 return pdata->pid_filter(adap->fe[0], index, pid, onoff); 1668 } else { 1669 struct rtl2832_platform_data *pdata = &dev->rtl2832_platform_data; 1670 1671 return pdata->pid_filter(adap->fe[0], index, pid, onoff); 1672 } 1673} 1674 1675static const struct dvb_usb_device_properties rtl28xxu_props = { 1676 .driver_name = KBUILD_MODNAME, 1677 .owner = THIS_MODULE, 1678 .adapter_nr = adapter_nr, 1679 .size_of_priv = sizeof(struct rtl28xxu_dev), 1680 1681 .identify_state = rtl28xxu_identify_state, 1682 .power_ctrl = rtl28xxu_power_ctrl, 1683 .frontend_ctrl = rtl28xxu_frontend_ctrl, 1684 .i2c_algo = &rtl28xxu_i2c_algo, 1685 .read_config = rtl28xxu_read_config, 1686 .frontend_attach = rtl28xxu_frontend_attach, 1687 .frontend_detach = rtl28xxu_frontend_detach, 1688 .tuner_attach = rtl28xxu_tuner_attach, 1689 .tuner_detach = rtl28xxu_tuner_detach, 1690 .init = rtl28xxu_init, 1691 .get_rc_config = rtl28xxu_get_rc_config, 1692 1693 .num_adapters = 1, 1694 .adapter = { 1695 { 1696 .caps = DVB_USB_ADAP_HAS_PID_FILTER | 1697 DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF, 1698 1699 .pid_filter_count = 32, 1700 .pid_filter_ctrl = rtl28xxu_pid_filter_ctrl, 1701 .pid_filter = rtl28xxu_pid_filter, 1702 1703 .stream = DVB_USB_STREAM_BULK(0x81, 6, 8 * 512), 1704 }, 1705 }, 1706}; 1707 1708static const struct usb_device_id rtl28xxu_id_table[] = { 1709 /* RTL2831U devices: */ 1710 { DVB_USB_DEVICE(USB_VID_REALTEK, USB_PID_REALTEK_RTL2831U, 1711 &rtl28xxu_props, "Realtek RTL2831U reference design", NULL) }, 1712 { DVB_USB_DEVICE(USB_VID_WIDEVIEW, USB_PID_FREECOM_DVBT, 1713 &rtl28xxu_props, "Freecom USB2.0 DVB-T", NULL) }, 1714 { DVB_USB_DEVICE(USB_VID_WIDEVIEW, USB_PID_FREECOM_DVBT_2, 1715 &rtl28xxu_props, "Freecom USB2.0 DVB-T", NULL) }, 1716 1717 /* RTL2832U devices: */ 1718 { DVB_USB_DEVICE(USB_VID_REALTEK, 0x2832, 1719 &rtl28xxu_props, "Realtek RTL2832U reference design", NULL) }, 1720 { DVB_USB_DEVICE(USB_VID_REALTEK, 0x2838, 1721 &rtl28xxu_props, "Realtek RTL2832U reference design", NULL) }, 1722 { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_CINERGY_T_STICK_BLACK_REV1, 1723 &rtl28xxu_props, "TerraTec Cinergy T Stick Black", RC_MAP_TERRATEC_SLIM) }, 1724 { DVB_USB_DEVICE(USB_VID_GTEK, USB_PID_DELOCK_USB2_DVBT, 1725 &rtl28xxu_props, "G-Tek Electronics Group Lifeview LV5TDLX DVB-T", NULL) }, 1726 { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_NOXON_DAB_STICK, 1727 &rtl28xxu_props, "TerraTec NOXON DAB Stick", NULL) }, 1728 { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_NOXON_DAB_STICK_REV2, 1729 &rtl28xxu_props, "TerraTec NOXON DAB Stick (rev 2)", NULL) }, 1730 { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_NOXON_DAB_STICK_REV3, 1731 &rtl28xxu_props, "TerraTec NOXON DAB Stick (rev 3)", NULL) }, 1732 { DVB_USB_DEVICE(USB_VID_GTEK, USB_PID_TREKSTOR_TERRES_2_0, 1733 &rtl28xxu_props, "Trekstor DVB-T Stick Terres 2.0", NULL) }, 1734 { DVB_USB_DEVICE(USB_VID_DEXATEK, 0x1101, 1735 &rtl28xxu_props, "Dexatek DK DVB-T Dongle", NULL) }, 1736 { DVB_USB_DEVICE(USB_VID_LEADTEK, 0x6680, 1737 &rtl28xxu_props, "DigitalNow Quad DVB-T Receiver", NULL) }, 1738 { DVB_USB_DEVICE(USB_VID_LEADTEK, USB_PID_WINFAST_DTV_DONGLE_MINID, 1739 &rtl28xxu_props, "Leadtek Winfast DTV Dongle Mini D", NULL) }, 1740 { DVB_USB_DEVICE(USB_VID_LEADTEK, USB_PID_WINFAST_DTV2000DS_PLUS, 1741 &rtl28xxu_props, "Leadtek WinFast DTV2000DS Plus", RC_MAP_LEADTEK_Y04G0051) }, 1742 { DVB_USB_DEVICE(USB_VID_TERRATEC, 0x00d3, 1743 &rtl28xxu_props, "TerraTec Cinergy T Stick RC (Rev. 3)", NULL) }, 1744 { DVB_USB_DEVICE(USB_VID_DEXATEK, 0x1102, 1745 &rtl28xxu_props, "Dexatek DK mini DVB-T Dongle", NULL) }, 1746 { DVB_USB_DEVICE(USB_VID_TERRATEC, 0x00d7, 1747 &rtl28xxu_props, "TerraTec Cinergy T Stick+", NULL) }, 1748 { DVB_USB_DEVICE(USB_VID_KWORLD_2, 0xd3a8, 1749 &rtl28xxu_props, "ASUS My Cinema-U3100Mini Plus V2", NULL) }, 1750 { DVB_USB_DEVICE(USB_VID_KWORLD_2, 0xd393, 1751 &rtl28xxu_props, "GIGABYTE U7300", NULL) }, 1752 { DVB_USB_DEVICE(USB_VID_DEXATEK, 0x1104, 1753 &rtl28xxu_props, "MSI DIGIVOX Micro HD", NULL) }, 1754 { DVB_USB_DEVICE(USB_VID_COMPRO, 0x0620, 1755 &rtl28xxu_props, "Compro VideoMate U620F", NULL) }, 1756 { DVB_USB_DEVICE(USB_VID_KWORLD_2, 0xd394, 1757 &rtl28xxu_props, "MaxMedia HU394-T", NULL) }, 1758 { DVB_USB_DEVICE(USB_VID_LEADTEK, 0x6a03, 1759 &rtl28xxu_props, "Leadtek WinFast DTV Dongle mini", NULL) }, 1760 { DVB_USB_DEVICE(USB_VID_GTEK, USB_PID_CPYTO_REDI_PC50A, 1761 &rtl28xxu_props, "Crypto ReDi PC 50 A", NULL) }, 1762 { DVB_USB_DEVICE(USB_VID_KYE, 0x707f, 1763 &rtl28xxu_props, "Genius TVGo DVB-T03", NULL) }, 1764 { DVB_USB_DEVICE(USB_VID_KWORLD_2, 0xd395, 1765 &rtl28xxu_props, "Peak DVB-T USB", NULL) }, 1766 { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_SVEON_STV20_RTL2832U, 1767 &rtl28xxu_props, "Sveon STV20", NULL) }, 1768 { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_SVEON_STV21, 1769 &rtl28xxu_props, "Sveon STV21", NULL) }, 1770 { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_SVEON_STV27, 1771 &rtl28xxu_props, "Sveon STV27", NULL) }, 1772 { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_TURBOX_DTT_2000, 1773 &rtl28xxu_props, "TURBO-X Pure TV Tuner DTT-2000", NULL) }, 1774 1775 /* RTL2832P devices: */ 1776 { DVB_USB_DEVICE(USB_VID_HANFTEK, 0x0131, 1777 &rtl28xxu_props, "Astrometa DVB-T2", NULL) }, 1778 { } 1779}; 1780MODULE_DEVICE_TABLE(usb, rtl28xxu_id_table); 1781 1782static struct usb_driver rtl28xxu_usb_driver = { 1783 .name = KBUILD_MODNAME, 1784 .id_table = rtl28xxu_id_table, 1785 .probe = dvb_usbv2_probe, 1786 .disconnect = dvb_usbv2_disconnect, 1787 .suspend = dvb_usbv2_suspend, 1788 .resume = dvb_usbv2_resume, 1789 .reset_resume = dvb_usbv2_reset_resume, 1790 .no_dynamic_id = 1, 1791 .soft_unbind = 1, 1792}; 1793 1794module_usb_driver(rtl28xxu_usb_driver); 1795 1796MODULE_DESCRIPTION("Realtek RTL28xxU DVB USB driver"); 1797MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>"); 1798MODULE_AUTHOR("Thomas Mair <thomas.mair86@googlemail.com>"); 1799MODULE_LICENSE("GPL"); 1800