1 /* 2 * Realtek RTL28xxU DVB USB driver 3 * 4 * Copyright (C) 2009 Antti Palosaari <crope@iki.fi> 5 * Copyright (C) 2011 Antti Palosaari <crope@iki.fi> 6 * Copyright (C) 2012 Thomas Mair <thomas.mair86@googlemail.com> 7 * 8 * This program is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License as published by 10 * the Free Software Foundation; either version 2 of the License, or 11 * (at your option) any later version. 12 * 13 * This program is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * GNU General Public License for more details. 17 * 18 * You should have received a copy of the GNU General Public License along 19 * with this program; if not, write to the Free Software Foundation, Inc., 20 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 21 */ 22 23 #include "rtl28xxu.h" 24 25 #include "rtl2830.h" 26 #include "rtl2832.h" 27 28 #include "qt1010.h" 29 #include "mt2060.h" 30 #include "mxl5005s.h" 31 #include "fc0012.h" 32 #include "fc0013.h" 33 #include "e4000.h" 34 #include "fc2580.h" 35 #include "tua9001.h" 36 #include "r820t.h" 37 38 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); 39 40 static int rtl28xxu_ctrl_msg(struct dvb_usb_device *d, struct rtl28xxu_req *req) 41 { 42 int ret; 43 unsigned int pipe; 44 u8 requesttype; 45 u8 *buf; 46 47 buf = kmalloc(req->size, GFP_KERNEL); 48 if (!buf) { 49 ret = -ENOMEM; 50 goto err; 51 } 52 53 if (req->index & CMD_WR_FLAG) { 54 /* write */ 55 memcpy(buf, req->data, req->size); 56 requesttype = (USB_TYPE_VENDOR | USB_DIR_OUT); 57 pipe = usb_sndctrlpipe(d->udev, 0); 58 } else { 59 /* read */ 60 requesttype = (USB_TYPE_VENDOR | USB_DIR_IN); 61 pipe = usb_rcvctrlpipe(d->udev, 0); 62 } 63 64 ret = usb_control_msg(d->udev, pipe, 0, requesttype, req->value, 65 req->index, buf, req->size, 1000); 66 67 dvb_usb_dbg_usb_control_msg(d->udev, 0, requesttype, req->value, 68 req->index, buf, req->size); 69 70 if (ret > 0) 71 ret = 0; 72 73 /* read request, copy returned data to return buf */ 74 if (!ret && requesttype == (USB_TYPE_VENDOR | USB_DIR_IN)) 75 memcpy(req->data, buf, req->size); 76 77 kfree(buf); 78 79 if (ret) 80 goto err; 81 82 return ret; 83 err: 84 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); 85 return ret; 86 } 87 88 static int rtl28xx_wr_regs(struct dvb_usb_device *d, u16 reg, u8 *val, int len) 89 { 90 struct rtl28xxu_req req; 91 92 if (reg < 0x3000) 93 req.index = CMD_USB_WR; 94 else if (reg < 0x4000) 95 req.index = CMD_SYS_WR; 96 else 97 req.index = CMD_IR_WR; 98 99 req.value = reg; 100 req.size = len; 101 req.data = val; 102 103 return rtl28xxu_ctrl_msg(d, &req); 104 } 105 106 static int rtl2831_rd_regs(struct dvb_usb_device *d, u16 reg, u8 *val, int len) 107 { 108 struct rtl28xxu_req req; 109 110 if (reg < 0x3000) 111 req.index = CMD_USB_RD; 112 else if (reg < 0x4000) 113 req.index = CMD_SYS_RD; 114 else 115 req.index = CMD_IR_RD; 116 117 req.value = reg; 118 req.size = len; 119 req.data = val; 120 121 return rtl28xxu_ctrl_msg(d, &req); 122 } 123 124 static int rtl28xx_wr_reg(struct dvb_usb_device *d, u16 reg, u8 val) 125 { 126 return rtl28xx_wr_regs(d, reg, &val, 1); 127 } 128 129 static int rtl28xx_rd_reg(struct dvb_usb_device *d, u16 reg, u8 *val) 130 { 131 return rtl2831_rd_regs(d, reg, val, 1); 132 } 133 134 static int rtl28xx_wr_reg_mask(struct dvb_usb_device *d, u16 reg, u8 val, 135 u8 mask) 136 { 137 int ret; 138 u8 tmp; 139 140 /* no need for read if whole reg is written */ 141 if (mask != 0xff) { 142 ret = rtl28xx_rd_reg(d, reg, &tmp); 143 if (ret) 144 return ret; 145 146 val &= mask; 147 tmp &= ~mask; 148 val |= tmp; 149 } 150 151 return rtl28xx_wr_reg(d, reg, val); 152 } 153 154 /* I2C */ 155 static int rtl28xxu_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[], 156 int num) 157 { 158 int ret; 159 struct dvb_usb_device *d = i2c_get_adapdata(adap); 160 struct rtl28xxu_priv *priv = d->priv; 161 struct rtl28xxu_req req; 162 163 /* 164 * It is not known which are real I2C bus xfer limits, but testing 165 * with RTL2831U + MT2060 gives max RD 24 and max WR 22 bytes. 166 * TODO: find out RTL2832U lens 167 */ 168 169 /* 170 * I2C adapter logic looks rather complicated due to fact it handles 171 * three different access methods. Those methods are; 172 * 1) integrated demod access 173 * 2) old I2C access 174 * 3) new I2C access 175 * 176 * Used method is selected in order 1, 2, 3. Method 3 can handle all 177 * requests but there is two reasons why not use it always; 178 * 1) It is most expensive, usually two USB messages are needed 179 * 2) At least RTL2831U does not support it 180 * 181 * Method 3 is needed in case of I2C write+read (typical register read) 182 * where write is more than one byte. 183 */ 184 185 if (mutex_lock_interruptible(&d->i2c_mutex) < 0) 186 return -EAGAIN; 187 188 if (num == 2 && !(msg[0].flags & I2C_M_RD) && 189 (msg[1].flags & I2C_M_RD)) { 190 if (msg[0].len > 24 || msg[1].len > 24) { 191 /* TODO: check msg[0].len max */ 192 ret = -EOPNOTSUPP; 193 goto err_mutex_unlock; 194 } else if (msg[0].addr == 0x10) { 195 /* method 1 - integrated demod */ 196 req.value = (msg[0].buf[0] << 8) | (msg[0].addr << 1); 197 req.index = CMD_DEMOD_RD | priv->page; 198 req.size = msg[1].len; 199 req.data = &msg[1].buf[0]; 200 ret = rtl28xxu_ctrl_msg(d, &req); 201 } else if (msg[0].len < 2) { 202 /* method 2 - old I2C */ 203 req.value = (msg[0].buf[0] << 8) | (msg[0].addr << 1); 204 req.index = CMD_I2C_RD; 205 req.size = msg[1].len; 206 req.data = &msg[1].buf[0]; 207 ret = rtl28xxu_ctrl_msg(d, &req); 208 } else { 209 /* method 3 - new I2C */ 210 req.value = (msg[0].addr << 1); 211 req.index = CMD_I2C_DA_WR; 212 req.size = msg[0].len; 213 req.data = msg[0].buf; 214 ret = rtl28xxu_ctrl_msg(d, &req); 215 if (ret) 216 goto err_mutex_unlock; 217 218 req.value = (msg[0].addr << 1); 219 req.index = CMD_I2C_DA_RD; 220 req.size = msg[1].len; 221 req.data = msg[1].buf; 222 ret = rtl28xxu_ctrl_msg(d, &req); 223 } 224 } else if (num == 1 && !(msg[0].flags & I2C_M_RD)) { 225 if (msg[0].len > 22) { 226 /* TODO: check msg[0].len max */ 227 ret = -EOPNOTSUPP; 228 goto err_mutex_unlock; 229 } else if (msg[0].addr == 0x10) { 230 /* method 1 - integrated demod */ 231 if (msg[0].buf[0] == 0x00) { 232 /* save demod page for later demod access */ 233 priv->page = msg[0].buf[1]; 234 ret = 0; 235 } else { 236 req.value = (msg[0].buf[0] << 8) | 237 (msg[0].addr << 1); 238 req.index = CMD_DEMOD_WR | priv->page; 239 req.size = msg[0].len-1; 240 req.data = &msg[0].buf[1]; 241 ret = rtl28xxu_ctrl_msg(d, &req); 242 } 243 } else if (msg[0].len < 23) { 244 /* method 2 - old I2C */ 245 req.value = (msg[0].buf[0] << 8) | (msg[0].addr << 1); 246 req.index = CMD_I2C_WR; 247 req.size = msg[0].len-1; 248 req.data = &msg[0].buf[1]; 249 ret = rtl28xxu_ctrl_msg(d, &req); 250 } else { 251 /* method 3 - new I2C */ 252 req.value = (msg[0].addr << 1); 253 req.index = CMD_I2C_DA_WR; 254 req.size = msg[0].len; 255 req.data = msg[0].buf; 256 ret = rtl28xxu_ctrl_msg(d, &req); 257 } 258 } else { 259 ret = -EINVAL; 260 } 261 262 err_mutex_unlock: 263 mutex_unlock(&d->i2c_mutex); 264 265 return ret ? ret : num; 266 } 267 268 static u32 rtl28xxu_i2c_func(struct i2c_adapter *adapter) 269 { 270 return I2C_FUNC_I2C; 271 } 272 273 static struct i2c_algorithm rtl28xxu_i2c_algo = { 274 .master_xfer = rtl28xxu_i2c_xfer, 275 .functionality = rtl28xxu_i2c_func, 276 }; 277 278 static int rtl2831u_read_config(struct dvb_usb_device *d) 279 { 280 struct rtl28xxu_priv *priv = d_to_priv(d); 281 int ret; 282 u8 buf[1]; 283 /* open RTL2831U/RTL2830 I2C gate */ 284 struct rtl28xxu_req req_gate_open = {0x0120, 0x0011, 0x0001, "\x08"}; 285 /* tuner probes */ 286 struct rtl28xxu_req req_mt2060 = {0x00c0, CMD_I2C_RD, 1, buf}; 287 struct rtl28xxu_req req_qt1010 = {0x0fc4, CMD_I2C_RD, 1, buf}; 288 289 dev_dbg(&d->udev->dev, "%s:\n", __func__); 290 291 /* 292 * RTL2831U GPIOs 293 * ========================================================= 294 * GPIO0 | tuner#0 | 0 off | 1 on | MXL5005S (?) 295 * GPIO2 | LED | 0 off | 1 on | 296 * GPIO4 | tuner#1 | 0 on | 1 off | MT2060 297 */ 298 299 /* GPIO direction */ 300 ret = rtl28xx_wr_reg(d, SYS_GPIO_DIR, 0x0a); 301 if (ret) 302 goto err; 303 304 /* enable as output GPIO0, GPIO2, GPIO4 */ 305 ret = rtl28xx_wr_reg(d, SYS_GPIO_OUT_EN, 0x15); 306 if (ret) 307 goto err; 308 309 /* 310 * Probe used tuner. We need to know used tuner before demod attach 311 * since there is some demod params needed to set according to tuner. 312 */ 313 314 /* demod needs some time to wake up */ 315 msleep(20); 316 317 priv->tuner_name = "NONE"; 318 319 /* open demod I2C gate */ 320 ret = rtl28xxu_ctrl_msg(d, &req_gate_open); 321 if (ret) 322 goto err; 323 324 /* check QT1010 ID(?) register; reg=0f val=2c */ 325 ret = rtl28xxu_ctrl_msg(d, &req_qt1010); 326 if (ret == 0 && buf[0] == 0x2c) { 327 priv->tuner = TUNER_RTL2830_QT1010; 328 priv->tuner_name = "QT1010"; 329 goto found; 330 } 331 332 /* open demod I2C gate */ 333 ret = rtl28xxu_ctrl_msg(d, &req_gate_open); 334 if (ret) 335 goto err; 336 337 /* check MT2060 ID register; reg=00 val=63 */ 338 ret = rtl28xxu_ctrl_msg(d, &req_mt2060); 339 if (ret == 0 && buf[0] == 0x63) { 340 priv->tuner = TUNER_RTL2830_MT2060; 341 priv->tuner_name = "MT2060"; 342 goto found; 343 } 344 345 /* assume MXL5005S */ 346 priv->tuner = TUNER_RTL2830_MXL5005S; 347 priv->tuner_name = "MXL5005S"; 348 goto found; 349 350 found: 351 dev_dbg(&d->udev->dev, "%s: tuner=%s\n", __func__, priv->tuner_name); 352 353 return 0; 354 err: 355 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); 356 return ret; 357 } 358 359 static int rtl2832u_read_config(struct dvb_usb_device *d) 360 { 361 struct rtl28xxu_priv *priv = d_to_priv(d); 362 int ret; 363 u8 buf[2]; 364 /* open RTL2832U/RTL2832 I2C gate */ 365 struct rtl28xxu_req req_gate_open = {0x0120, 0x0011, 0x0001, "\x18"}; 366 /* close RTL2832U/RTL2832 I2C gate */ 367 struct rtl28xxu_req req_gate_close = {0x0120, 0x0011, 0x0001, "\x10"}; 368 /* tuner probes */ 369 struct rtl28xxu_req req_fc0012 = {0x00c6, CMD_I2C_RD, 1, buf}; 370 struct rtl28xxu_req req_fc0013 = {0x00c6, CMD_I2C_RD, 1, buf}; 371 struct rtl28xxu_req req_mt2266 = {0x00c0, CMD_I2C_RD, 1, buf}; 372 struct rtl28xxu_req req_fc2580 = {0x01ac, CMD_I2C_RD, 1, buf}; 373 struct rtl28xxu_req req_mt2063 = {0x00c0, CMD_I2C_RD, 1, buf}; 374 struct rtl28xxu_req req_max3543 = {0x00c0, CMD_I2C_RD, 1, buf}; 375 struct rtl28xxu_req req_tua9001 = {0x7ec0, CMD_I2C_RD, 2, buf}; 376 struct rtl28xxu_req req_mxl5007t = {0xd9c0, CMD_I2C_RD, 1, buf}; 377 struct rtl28xxu_req req_e4000 = {0x02c8, CMD_I2C_RD, 1, buf}; 378 struct rtl28xxu_req req_tda18272 = {0x00c0, CMD_I2C_RD, 2, buf}; 379 struct rtl28xxu_req req_r820t = {0x0034, CMD_I2C_RD, 1, buf}; 380 struct rtl28xxu_req req_r828d = {0x0074, CMD_I2C_RD, 1, buf}; 381 382 dev_dbg(&d->udev->dev, "%s:\n", __func__); 383 384 /* enable GPIO3 and GPIO6 as output */ 385 ret = rtl28xx_wr_reg_mask(d, SYS_GPIO_DIR, 0x00, 0x40); 386 if (ret) 387 goto err; 388 389 ret = rtl28xx_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x48, 0x48); 390 if (ret) 391 goto err; 392 393 /* 394 * Probe used tuner. We need to know used tuner before demod attach 395 * since there is some demod params needed to set according to tuner. 396 */ 397 398 /* open demod I2C gate */ 399 ret = rtl28xxu_ctrl_msg(d, &req_gate_open); 400 if (ret) 401 goto err; 402 403 priv->tuner_name = "NONE"; 404 405 /* check FC0012 ID register; reg=00 val=a1 */ 406 ret = rtl28xxu_ctrl_msg(d, &req_fc0012); 407 if (ret == 0 && buf[0] == 0xa1) { 408 priv->tuner = TUNER_RTL2832_FC0012; 409 priv->tuner_name = "FC0012"; 410 goto found; 411 } 412 413 /* check FC0013 ID register; reg=00 val=a3 */ 414 ret = rtl28xxu_ctrl_msg(d, &req_fc0013); 415 if (ret == 0 && buf[0] == 0xa3) { 416 priv->tuner = TUNER_RTL2832_FC0013; 417 priv->tuner_name = "FC0013"; 418 goto found; 419 } 420 421 /* check MT2266 ID register; reg=00 val=85 */ 422 ret = rtl28xxu_ctrl_msg(d, &req_mt2266); 423 if (ret == 0 && buf[0] == 0x85) { 424 priv->tuner = TUNER_RTL2832_MT2266; 425 priv->tuner_name = "MT2266"; 426 goto found; 427 } 428 429 /* check FC2580 ID register; reg=01 val=56 */ 430 ret = rtl28xxu_ctrl_msg(d, &req_fc2580); 431 if (ret == 0 && buf[0] == 0x56) { 432 priv->tuner = TUNER_RTL2832_FC2580; 433 priv->tuner_name = "FC2580"; 434 goto found; 435 } 436 437 /* check MT2063 ID register; reg=00 val=9e || 9c */ 438 ret = rtl28xxu_ctrl_msg(d, &req_mt2063); 439 if (ret == 0 && (buf[0] == 0x9e || buf[0] == 0x9c)) { 440 priv->tuner = TUNER_RTL2832_MT2063; 441 priv->tuner_name = "MT2063"; 442 goto found; 443 } 444 445 /* check MAX3543 ID register; reg=00 val=38 */ 446 ret = rtl28xxu_ctrl_msg(d, &req_max3543); 447 if (ret == 0 && buf[0] == 0x38) { 448 priv->tuner = TUNER_RTL2832_MAX3543; 449 priv->tuner_name = "MAX3543"; 450 goto found; 451 } 452 453 /* check TUA9001 ID register; reg=7e val=2328 */ 454 ret = rtl28xxu_ctrl_msg(d, &req_tua9001); 455 if (ret == 0 && buf[0] == 0x23 && buf[1] == 0x28) { 456 priv->tuner = TUNER_RTL2832_TUA9001; 457 priv->tuner_name = "TUA9001"; 458 goto found; 459 } 460 461 /* check MXL5007R ID register; reg=d9 val=14 */ 462 ret = rtl28xxu_ctrl_msg(d, &req_mxl5007t); 463 if (ret == 0 && buf[0] == 0x14) { 464 priv->tuner = TUNER_RTL2832_MXL5007T; 465 priv->tuner_name = "MXL5007T"; 466 goto found; 467 } 468 469 /* check E4000 ID register; reg=02 val=40 */ 470 ret = rtl28xxu_ctrl_msg(d, &req_e4000); 471 if (ret == 0 && buf[0] == 0x40) { 472 priv->tuner = TUNER_RTL2832_E4000; 473 priv->tuner_name = "E4000"; 474 goto found; 475 } 476 477 /* check TDA18272 ID register; reg=00 val=c760 */ 478 ret = rtl28xxu_ctrl_msg(d, &req_tda18272); 479 if (ret == 0 && (buf[0] == 0xc7 || buf[1] == 0x60)) { 480 priv->tuner = TUNER_RTL2832_TDA18272; 481 priv->tuner_name = "TDA18272"; 482 goto found; 483 } 484 485 /* check R820T ID register; reg=00 val=69 */ 486 ret = rtl28xxu_ctrl_msg(d, &req_r820t); 487 if (ret == 0 && buf[0] == 0x69) { 488 priv->tuner = TUNER_RTL2832_R820T; 489 priv->tuner_name = "R820T"; 490 goto found; 491 } 492 493 /* check R828D ID register; reg=00 val=69 */ 494 ret = rtl28xxu_ctrl_msg(d, &req_r828d); 495 if (ret == 0 && buf[0] == 0x69) { 496 priv->tuner = TUNER_RTL2832_R828D; 497 priv->tuner_name = "R828D"; 498 goto found; 499 } 500 501 502 found: 503 dev_dbg(&d->udev->dev, "%s: tuner=%s\n", __func__, priv->tuner_name); 504 505 /* close demod I2C gate */ 506 ret = rtl28xxu_ctrl_msg(d, &req_gate_close); 507 if (ret < 0) 508 goto err; 509 510 return 0; 511 err: 512 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); 513 return ret; 514 } 515 516 static struct rtl2830_config rtl28xxu_rtl2830_mt2060_config = { 517 .i2c_addr = 0x10, /* 0x20 */ 518 .xtal = 28800000, 519 .ts_mode = 0, 520 .spec_inv = 1, 521 .vtop = 0x20, 522 .krf = 0x04, 523 .agc_targ_val = 0x2d, 524 525 }; 526 527 static struct rtl2830_config rtl28xxu_rtl2830_qt1010_config = { 528 .i2c_addr = 0x10, /* 0x20 */ 529 .xtal = 28800000, 530 .ts_mode = 0, 531 .spec_inv = 1, 532 .vtop = 0x20, 533 .krf = 0x04, 534 .agc_targ_val = 0x2d, 535 }; 536 537 static struct rtl2830_config rtl28xxu_rtl2830_mxl5005s_config = { 538 .i2c_addr = 0x10, /* 0x20 */ 539 .xtal = 28800000, 540 .ts_mode = 0, 541 .spec_inv = 0, 542 .vtop = 0x3f, 543 .krf = 0x04, 544 .agc_targ_val = 0x3e, 545 }; 546 547 static int rtl2831u_frontend_attach(struct dvb_usb_adapter *adap) 548 { 549 struct dvb_usb_device *d = adap_to_d(adap); 550 struct rtl28xxu_priv *priv = d_to_priv(d); 551 struct rtl2830_config *rtl2830_config; 552 int ret; 553 554 dev_dbg(&d->udev->dev, "%s:\n", __func__); 555 556 switch (priv->tuner) { 557 case TUNER_RTL2830_QT1010: 558 rtl2830_config = &rtl28xxu_rtl2830_qt1010_config; 559 break; 560 case TUNER_RTL2830_MT2060: 561 rtl2830_config = &rtl28xxu_rtl2830_mt2060_config; 562 break; 563 case TUNER_RTL2830_MXL5005S: 564 rtl2830_config = &rtl28xxu_rtl2830_mxl5005s_config; 565 break; 566 default: 567 dev_err(&d->udev->dev, "%s: unknown tuner=%s\n", 568 KBUILD_MODNAME, priv->tuner_name); 569 ret = -ENODEV; 570 goto err; 571 } 572 573 /* attach demodulator */ 574 adap->fe[0] = dvb_attach(rtl2830_attach, rtl2830_config, &d->i2c_adap); 575 if (!adap->fe[0]) { 576 ret = -ENODEV; 577 goto err; 578 } 579 580 return 0; 581 err: 582 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); 583 return ret; 584 } 585 586 static struct rtl2832_config rtl28xxu_rtl2832_fc0012_config = { 587 .i2c_addr = 0x10, /* 0x20 */ 588 .xtal = 28800000, 589 .if_dvbt = 0, 590 .tuner = TUNER_RTL2832_FC0012 591 }; 592 593 static struct rtl2832_config rtl28xxu_rtl2832_fc0013_config = { 594 .i2c_addr = 0x10, /* 0x20 */ 595 .xtal = 28800000, 596 .if_dvbt = 0, 597 .tuner = TUNER_RTL2832_FC0013 598 }; 599 600 static struct rtl2832_config rtl28xxu_rtl2832_tua9001_config = { 601 .i2c_addr = 0x10, /* 0x20 */ 602 .xtal = 28800000, 603 .tuner = TUNER_RTL2832_TUA9001, 604 }; 605 606 static struct rtl2832_config rtl28xxu_rtl2832_e4000_config = { 607 .i2c_addr = 0x10, /* 0x20 */ 608 .xtal = 28800000, 609 .tuner = TUNER_RTL2832_E4000, 610 }; 611 612 static struct rtl2832_config rtl28xxu_rtl2832_r820t_config = { 613 .i2c_addr = 0x10, 614 .xtal = 28800000, 615 .tuner = TUNER_RTL2832_R820T, 616 }; 617 618 static int rtl2832u_fc0012_tuner_callback(struct dvb_usb_device *d, 619 int cmd, int arg) 620 { 621 int ret; 622 u8 val; 623 624 dev_dbg(&d->udev->dev, "%s: cmd=%d arg=%d\n", __func__, cmd, arg); 625 626 switch (cmd) { 627 case FC_FE_CALLBACK_VHF_ENABLE: 628 /* set output values */ 629 ret = rtl28xx_rd_reg(d, SYS_GPIO_OUT_VAL, &val); 630 if (ret) 631 goto err; 632 633 if (arg) 634 val &= 0xbf; /* set GPIO6 low */ 635 else 636 val |= 0x40; /* set GPIO6 high */ 637 638 639 ret = rtl28xx_wr_reg(d, SYS_GPIO_OUT_VAL, val); 640 if (ret) 641 goto err; 642 break; 643 default: 644 ret = -EINVAL; 645 goto err; 646 } 647 return 0; 648 err: 649 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); 650 return ret; 651 } 652 653 static int rtl2832u_tua9001_tuner_callback(struct dvb_usb_device *d, 654 int cmd, int arg) 655 { 656 int ret; 657 u8 val; 658 659 dev_dbg(&d->udev->dev, "%s: cmd=%d arg=%d\n", __func__, cmd, arg); 660 661 /* 662 * CEN always enabled by hardware wiring 663 * RESETN GPIO4 664 * RXEN GPIO1 665 */ 666 667 switch (cmd) { 668 case TUA9001_CMD_RESETN: 669 if (arg) 670 val = (1 << 4); 671 else 672 val = (0 << 4); 673 674 ret = rtl28xx_wr_reg_mask(d, SYS_GPIO_OUT_VAL, val, 0x10); 675 if (ret) 676 goto err; 677 break; 678 case TUA9001_CMD_RXEN: 679 if (arg) 680 val = (1 << 1); 681 else 682 val = (0 << 1); 683 684 ret = rtl28xx_wr_reg_mask(d, SYS_GPIO_OUT_VAL, val, 0x02); 685 if (ret) 686 goto err; 687 break; 688 } 689 690 return 0; 691 err: 692 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); 693 return ret; 694 } 695 696 static int rtl2832u_tuner_callback(struct dvb_usb_device *d, int cmd, int arg) 697 { 698 struct rtl28xxu_priv *priv = d->priv; 699 700 switch (priv->tuner) { 701 case TUNER_RTL2832_FC0012: 702 return rtl2832u_fc0012_tuner_callback(d, cmd, arg); 703 case TUNER_RTL2832_TUA9001: 704 return rtl2832u_tua9001_tuner_callback(d, cmd, arg); 705 default: 706 break; 707 } 708 709 return 0; 710 } 711 712 static int rtl2832u_frontend_callback(void *adapter_priv, int component, 713 int cmd, int arg) 714 { 715 struct i2c_adapter *adap = adapter_priv; 716 struct dvb_usb_device *d = i2c_get_adapdata(adap); 717 718 dev_dbg(&d->udev->dev, "%s: component=%d cmd=%d arg=%d\n", 719 __func__, component, cmd, arg); 720 721 switch (component) { 722 case DVB_FRONTEND_COMPONENT_TUNER: 723 return rtl2832u_tuner_callback(d, cmd, arg); 724 default: 725 break; 726 } 727 728 return 0; 729 } 730 731 static int rtl2832u_frontend_attach(struct dvb_usb_adapter *adap) 732 { 733 int ret; 734 struct dvb_usb_device *d = adap_to_d(adap); 735 struct rtl28xxu_priv *priv = d_to_priv(d); 736 struct rtl2832_config *rtl2832_config; 737 738 dev_dbg(&d->udev->dev, "%s:\n", __func__); 739 740 switch (priv->tuner) { 741 case TUNER_RTL2832_FC0012: 742 rtl2832_config = &rtl28xxu_rtl2832_fc0012_config; 743 break; 744 case TUNER_RTL2832_FC0013: 745 rtl2832_config = &rtl28xxu_rtl2832_fc0013_config; 746 break; 747 case TUNER_RTL2832_FC2580: 748 /* FIXME: do not abuse fc0012 settings */ 749 rtl2832_config = &rtl28xxu_rtl2832_fc0012_config; 750 break; 751 case TUNER_RTL2832_TUA9001: 752 rtl2832_config = &rtl28xxu_rtl2832_tua9001_config; 753 break; 754 case TUNER_RTL2832_E4000: 755 rtl2832_config = &rtl28xxu_rtl2832_e4000_config; 756 break; 757 case TUNER_RTL2832_R820T: 758 case TUNER_RTL2832_R828D: 759 rtl2832_config = &rtl28xxu_rtl2832_r820t_config; 760 break; 761 default: 762 dev_err(&d->udev->dev, "%s: unknown tuner=%s\n", 763 KBUILD_MODNAME, priv->tuner_name); 764 ret = -ENODEV; 765 goto err; 766 } 767 768 /* attach demodulator */ 769 adap->fe[0] = dvb_attach(rtl2832_attach, rtl2832_config, &d->i2c_adap); 770 if (!adap->fe[0]) { 771 ret = -ENODEV; 772 goto err; 773 } 774 775 /* set fe callback */ 776 adap->fe[0]->callback = rtl2832u_frontend_callback; 777 778 return 0; 779 err: 780 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); 781 return ret; 782 } 783 784 static struct qt1010_config rtl28xxu_qt1010_config = { 785 .i2c_address = 0x62, /* 0xc4 */ 786 }; 787 788 static struct mt2060_config rtl28xxu_mt2060_config = { 789 .i2c_address = 0x60, /* 0xc0 */ 790 .clock_out = 0, 791 }; 792 793 static struct mxl5005s_config rtl28xxu_mxl5005s_config = { 794 .i2c_address = 0x63, /* 0xc6 */ 795 .if_freq = IF_FREQ_4570000HZ, 796 .xtal_freq = CRYSTAL_FREQ_16000000HZ, 797 .agc_mode = MXL_SINGLE_AGC, 798 .tracking_filter = MXL_TF_C_H, 799 .rssi_enable = MXL_RSSI_ENABLE, 800 .cap_select = MXL_CAP_SEL_ENABLE, 801 .div_out = MXL_DIV_OUT_4, 802 .clock_out = MXL_CLOCK_OUT_DISABLE, 803 .output_load = MXL5005S_IF_OUTPUT_LOAD_200_OHM, 804 .top = MXL5005S_TOP_25P2, 805 .mod_mode = MXL_DIGITAL_MODE, 806 .if_mode = MXL_ZERO_IF, 807 .AgcMasterByte = 0x00, 808 }; 809 810 static int rtl2831u_tuner_attach(struct dvb_usb_adapter *adap) 811 { 812 int ret; 813 struct dvb_usb_device *d = adap_to_d(adap); 814 struct rtl28xxu_priv *priv = d_to_priv(d); 815 struct i2c_adapter *rtl2830_tuner_i2c; 816 struct dvb_frontend *fe; 817 818 dev_dbg(&d->udev->dev, "%s:\n", __func__); 819 820 /* use rtl2830 driver I2C adapter, for more info see rtl2830 driver */ 821 rtl2830_tuner_i2c = rtl2830_get_tuner_i2c_adapter(adap->fe[0]); 822 823 switch (priv->tuner) { 824 case TUNER_RTL2830_QT1010: 825 fe = dvb_attach(qt1010_attach, adap->fe[0], 826 rtl2830_tuner_i2c, &rtl28xxu_qt1010_config); 827 break; 828 case TUNER_RTL2830_MT2060: 829 fe = dvb_attach(mt2060_attach, adap->fe[0], 830 rtl2830_tuner_i2c, &rtl28xxu_mt2060_config, 831 1220); 832 break; 833 case TUNER_RTL2830_MXL5005S: 834 fe = dvb_attach(mxl5005s_attach, adap->fe[0], 835 rtl2830_tuner_i2c, &rtl28xxu_mxl5005s_config); 836 break; 837 default: 838 fe = NULL; 839 dev_err(&d->udev->dev, "%s: unknown tuner=%d\n", KBUILD_MODNAME, 840 priv->tuner); 841 } 842 843 if (fe == NULL) { 844 ret = -ENODEV; 845 goto err; 846 } 847 848 return 0; 849 err: 850 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); 851 return ret; 852 } 853 854 static const struct e4000_config rtl2832u_e4000_config = { 855 .i2c_addr = 0x64, 856 .clock = 28800000, 857 }; 858 859 static const struct fc2580_config rtl2832u_fc2580_config = { 860 .i2c_addr = 0x56, 861 .clock = 16384000, 862 }; 863 864 static struct tua9001_config rtl2832u_tua9001_config = { 865 .i2c_addr = 0x60, 866 }; 867 868 static const struct fc0012_config rtl2832u_fc0012_config = { 869 .i2c_address = 0x63, /* 0xc6 >> 1 */ 870 .xtal_freq = FC_XTAL_28_8_MHZ, 871 }; 872 873 static const struct r820t_config rtl2832u_r820t_config = { 874 .i2c_addr = 0x1a, 875 .xtal = 28800000, 876 .max_i2c_msg_len = 2, 877 .rafael_chip = CHIP_R820T, 878 }; 879 880 static const struct r820t_config rtl2832u_r828d_config = { 881 .i2c_addr = 0x3a, 882 .xtal = 16000000, 883 .max_i2c_msg_len = 2, 884 .rafael_chip = CHIP_R828D, 885 }; 886 887 static int rtl2832u_tuner_attach(struct dvb_usb_adapter *adap) 888 { 889 int ret; 890 struct dvb_usb_device *d = adap_to_d(adap); 891 struct rtl28xxu_priv *priv = d_to_priv(d); 892 struct dvb_frontend *fe; 893 894 dev_dbg(&d->udev->dev, "%s:\n", __func__); 895 896 switch (priv->tuner) { 897 case TUNER_RTL2832_FC0012: 898 fe = dvb_attach(fc0012_attach, adap->fe[0], 899 &d->i2c_adap, &rtl2832u_fc0012_config); 900 901 /* since fc0012 includs reading the signal strength delegate 902 * that to the tuner driver */ 903 adap->fe[0]->ops.read_signal_strength = 904 adap->fe[0]->ops.tuner_ops.get_rf_strength; 905 return 0; 906 break; 907 case TUNER_RTL2832_FC0013: 908 fe = dvb_attach(fc0013_attach, adap->fe[0], 909 &d->i2c_adap, 0xc6>>1, 0, FC_XTAL_28_8_MHZ); 910 911 /* fc0013 also supports signal strength reading */ 912 adap->fe[0]->ops.read_signal_strength = 913 adap->fe[0]->ops.tuner_ops.get_rf_strength; 914 return 0; 915 case TUNER_RTL2832_E4000: 916 fe = dvb_attach(e4000_attach, adap->fe[0], &d->i2c_adap, 917 &rtl2832u_e4000_config); 918 break; 919 case TUNER_RTL2832_FC2580: 920 fe = dvb_attach(fc2580_attach, adap->fe[0], &d->i2c_adap, 921 &rtl2832u_fc2580_config); 922 break; 923 case TUNER_RTL2832_TUA9001: 924 /* enable GPIO1 and GPIO4 as output */ 925 ret = rtl28xx_wr_reg_mask(d, SYS_GPIO_DIR, 0x00, 0x12); 926 if (ret) 927 goto err; 928 929 ret = rtl28xx_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x12, 0x12); 930 if (ret) 931 goto err; 932 933 fe = dvb_attach(tua9001_attach, adap->fe[0], &d->i2c_adap, 934 &rtl2832u_tua9001_config); 935 break; 936 case TUNER_RTL2832_R820T: 937 fe = dvb_attach(r820t_attach, adap->fe[0], &d->i2c_adap, 938 &rtl2832u_r820t_config); 939 940 /* Use tuner to get the signal strength */ 941 adap->fe[0]->ops.read_signal_strength = 942 adap->fe[0]->ops.tuner_ops.get_rf_strength; 943 break; 944 case TUNER_RTL2832_R828D: 945 /* power off mn88472 demod on GPIO0 */ 946 ret = rtl28xx_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x00, 0x01); 947 if (ret) 948 goto err; 949 950 ret = rtl28xx_wr_reg_mask(d, SYS_GPIO_DIR, 0x00, 0x01); 951 if (ret) 952 goto err; 953 954 ret = rtl28xx_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x01, 0x01); 955 if (ret) 956 goto err; 957 958 fe = dvb_attach(r820t_attach, adap->fe[0], &d->i2c_adap, 959 &rtl2832u_r828d_config); 960 961 /* Use tuner to get the signal strength */ 962 adap->fe[0]->ops.read_signal_strength = 963 adap->fe[0]->ops.tuner_ops.get_rf_strength; 964 break; 965 default: 966 fe = NULL; 967 dev_err(&d->udev->dev, "%s: unknown tuner=%d\n", KBUILD_MODNAME, 968 priv->tuner); 969 } 970 971 if (fe == NULL) { 972 ret = -ENODEV; 973 goto err; 974 } 975 976 return 0; 977 err: 978 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); 979 return ret; 980 } 981 982 static int rtl28xxu_init(struct dvb_usb_device *d) 983 { 984 int ret; 985 u8 val; 986 987 dev_dbg(&d->udev->dev, "%s:\n", __func__); 988 989 /* init USB endpoints */ 990 ret = rtl28xx_rd_reg(d, USB_SYSCTL_0, &val); 991 if (ret) 992 goto err; 993 994 /* enable DMA and Full Packet Mode*/ 995 val |= 0x09; 996 ret = rtl28xx_wr_reg(d, USB_SYSCTL_0, val); 997 if (ret) 998 goto err; 999 1000 /* set EPA maximum packet size to 0x0200 */ 1001 ret = rtl28xx_wr_regs(d, USB_EPA_MAXPKT, "\x00\x02\x00\x00", 4); 1002 if (ret) 1003 goto err; 1004 1005 /* change EPA FIFO length */ 1006 ret = rtl28xx_wr_regs(d, USB_EPA_FIFO_CFG, "\x14\x00\x00\x00", 4); 1007 if (ret) 1008 goto err; 1009 1010 return ret; 1011 err: 1012 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); 1013 return ret; 1014 } 1015 1016 static int rtl2831u_power_ctrl(struct dvb_usb_device *d, int onoff) 1017 { 1018 int ret; 1019 u8 gpio, sys0, epa_ctl[2]; 1020 1021 dev_dbg(&d->udev->dev, "%s: onoff=%d\n", __func__, onoff); 1022 1023 /* demod adc */ 1024 ret = rtl28xx_rd_reg(d, SYS_SYS0, &sys0); 1025 if (ret) 1026 goto err; 1027 1028 /* tuner power, read GPIOs */ 1029 ret = rtl28xx_rd_reg(d, SYS_GPIO_OUT_VAL, &gpio); 1030 if (ret) 1031 goto err; 1032 1033 dev_dbg(&d->udev->dev, "%s: RD SYS0=%02x GPIO_OUT_VAL=%02x\n", __func__, 1034 sys0, gpio); 1035 1036 if (onoff) { 1037 gpio |= 0x01; /* GPIO0 = 1 */ 1038 gpio &= (~0x10); /* GPIO4 = 0 */ 1039 gpio |= 0x04; /* GPIO2 = 1, LED on */ 1040 sys0 = sys0 & 0x0f; 1041 sys0 |= 0xe0; 1042 epa_ctl[0] = 0x00; /* clear stall */ 1043 epa_ctl[1] = 0x00; /* clear reset */ 1044 } else { 1045 gpio &= (~0x01); /* GPIO0 = 0 */ 1046 gpio |= 0x10; /* GPIO4 = 1 */ 1047 gpio &= (~0x04); /* GPIO2 = 1, LED off */ 1048 sys0 = sys0 & (~0xc0); 1049 epa_ctl[0] = 0x10; /* set stall */ 1050 epa_ctl[1] = 0x02; /* set reset */ 1051 } 1052 1053 dev_dbg(&d->udev->dev, "%s: WR SYS0=%02x GPIO_OUT_VAL=%02x\n", __func__, 1054 sys0, gpio); 1055 1056 /* demod adc */ 1057 ret = rtl28xx_wr_reg(d, SYS_SYS0, sys0); 1058 if (ret) 1059 goto err; 1060 1061 /* tuner power, write GPIOs */ 1062 ret = rtl28xx_wr_reg(d, SYS_GPIO_OUT_VAL, gpio); 1063 if (ret) 1064 goto err; 1065 1066 /* streaming EP: stall & reset */ 1067 ret = rtl28xx_wr_regs(d, USB_EPA_CTL, epa_ctl, 2); 1068 if (ret) 1069 goto err; 1070 1071 if (onoff) 1072 usb_clear_halt(d->udev, usb_rcvbulkpipe(d->udev, 0x81)); 1073 1074 return ret; 1075 err: 1076 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); 1077 return ret; 1078 } 1079 1080 static int rtl2832u_power_ctrl(struct dvb_usb_device *d, int onoff) 1081 { 1082 int ret; 1083 1084 dev_dbg(&d->udev->dev, "%s: onoff=%d\n", __func__, onoff); 1085 1086 if (onoff) { 1087 /* GPIO3=1, GPIO4=0 */ 1088 ret = rtl28xx_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x08, 0x18); 1089 if (ret) 1090 goto err; 1091 1092 /* suspend? */ 1093 ret = rtl28xx_wr_reg_mask(d, SYS_DEMOD_CTL1, 0x00, 0x10); 1094 if (ret) 1095 goto err; 1096 1097 /* enable PLL */ 1098 ret = rtl28xx_wr_reg_mask(d, SYS_DEMOD_CTL, 0x80, 0x80); 1099 if (ret) 1100 goto err; 1101 1102 /* disable reset */ 1103 ret = rtl28xx_wr_reg_mask(d, SYS_DEMOD_CTL, 0x20, 0x20); 1104 if (ret) 1105 goto err; 1106 1107 mdelay(5); 1108 1109 /* enable ADC */ 1110 ret = rtl28xx_wr_reg_mask(d, SYS_DEMOD_CTL, 0x48, 0x48); 1111 if (ret) 1112 goto err; 1113 1114 /* streaming EP: clear stall & reset */ 1115 ret = rtl28xx_wr_regs(d, USB_EPA_CTL, "\x00\x00", 2); 1116 if (ret) 1117 goto err; 1118 1119 ret = usb_clear_halt(d->udev, usb_rcvbulkpipe(d->udev, 0x81)); 1120 if (ret) 1121 goto err; 1122 } else { 1123 /* GPIO4=1 */ 1124 ret = rtl28xx_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x10, 0x10); 1125 if (ret) 1126 goto err; 1127 1128 /* disable ADC */ 1129 ret = rtl28xx_wr_reg_mask(d, SYS_DEMOD_CTL, 0x00, 0x48); 1130 if (ret) 1131 goto err; 1132 1133 /* disable PLL */ 1134 ret = rtl28xx_wr_reg_mask(d, SYS_DEMOD_CTL, 0x00, 0x80); 1135 if (ret) 1136 goto err; 1137 1138 /* streaming EP: set stall & reset */ 1139 ret = rtl28xx_wr_regs(d, USB_EPA_CTL, "\x10\x02", 2); 1140 if (ret) 1141 goto err; 1142 } 1143 1144 return ret; 1145 err: 1146 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); 1147 return ret; 1148 } 1149 1150 #if IS_ENABLED(CONFIG_RC_CORE) 1151 static int rtl2831u_rc_query(struct dvb_usb_device *d) 1152 { 1153 int ret, i; 1154 struct rtl28xxu_priv *priv = d->priv; 1155 u8 buf[5]; 1156 u32 rc_code; 1157 struct rtl28xxu_reg_val rc_nec_tab[] = { 1158 { 0x3033, 0x80 }, 1159 { 0x3020, 0x43 }, 1160 { 0x3021, 0x16 }, 1161 { 0x3022, 0x16 }, 1162 { 0x3023, 0x5a }, 1163 { 0x3024, 0x2d }, 1164 { 0x3025, 0x16 }, 1165 { 0x3026, 0x01 }, 1166 { 0x3028, 0xb0 }, 1167 { 0x3029, 0x04 }, 1168 { 0x302c, 0x88 }, 1169 { 0x302e, 0x13 }, 1170 { 0x3030, 0xdf }, 1171 { 0x3031, 0x05 }, 1172 }; 1173 1174 /* init remote controller */ 1175 if (!priv->rc_active) { 1176 for (i = 0; i < ARRAY_SIZE(rc_nec_tab); i++) { 1177 ret = rtl28xx_wr_reg(d, rc_nec_tab[i].reg, 1178 rc_nec_tab[i].val); 1179 if (ret) 1180 goto err; 1181 } 1182 priv->rc_active = true; 1183 } 1184 1185 ret = rtl2831_rd_regs(d, SYS_IRRC_RP, buf, 5); 1186 if (ret) 1187 goto err; 1188 1189 if (buf[4] & 0x01) { 1190 if (buf[2] == (u8) ~buf[3]) { 1191 if (buf[0] == (u8) ~buf[1]) { 1192 /* NEC standard (16 bit) */ 1193 rc_code = buf[0] << 8 | buf[2]; 1194 } else { 1195 /* NEC extended (24 bit) */ 1196 rc_code = buf[0] << 16 | 1197 buf[1] << 8 | buf[2]; 1198 } 1199 } else { 1200 /* NEC full (32 bit) */ 1201 rc_code = buf[0] << 24 | buf[1] << 16 | 1202 buf[2] << 8 | buf[3]; 1203 } 1204 1205 rc_keydown(d->rc_dev, rc_code, 0); 1206 1207 ret = rtl28xx_wr_reg(d, SYS_IRRC_SR, 1); 1208 if (ret) 1209 goto err; 1210 1211 /* repeated intentionally to avoid extra keypress */ 1212 ret = rtl28xx_wr_reg(d, SYS_IRRC_SR, 1); 1213 if (ret) 1214 goto err; 1215 } 1216 1217 return ret; 1218 err: 1219 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); 1220 return ret; 1221 } 1222 1223 static int rtl2831u_get_rc_config(struct dvb_usb_device *d, 1224 struct dvb_usb_rc *rc) 1225 { 1226 rc->map_name = RC_MAP_EMPTY; 1227 rc->allowed_protos = RC_BIT_NEC; 1228 rc->query = rtl2831u_rc_query; 1229 rc->interval = 400; 1230 1231 return 0; 1232 } 1233 1234 static int rtl2832u_rc_query(struct dvb_usb_device *d) 1235 { 1236 int ret, i, len; 1237 struct rtl28xxu_priv *priv = d->priv; 1238 struct ir_raw_event ev; 1239 u8 buf[128]; 1240 static const struct rtl28xxu_reg_val_mask refresh_tab[] = { 1241 {IR_RX_IF, 0x03, 0xff}, 1242 {IR_RX_BUF_CTRL, 0x80, 0xff}, 1243 {IR_RX_CTRL, 0x80, 0xff}, 1244 }; 1245 1246 /* init remote controller */ 1247 if (!priv->rc_active) { 1248 static const struct rtl28xxu_reg_val_mask init_tab[] = { 1249 {SYS_DEMOD_CTL1, 0x00, 0x04}, 1250 {SYS_DEMOD_CTL1, 0x00, 0x08}, 1251 {USB_CTRL, 0x20, 0x20}, 1252 {SYS_GPIO_DIR, 0x00, 0x08}, 1253 {SYS_GPIO_OUT_EN, 0x08, 0x08}, 1254 {SYS_GPIO_OUT_VAL, 0x08, 0x08}, 1255 {IR_MAX_DURATION0, 0xd0, 0xff}, 1256 {IR_MAX_DURATION1, 0x07, 0xff}, 1257 {IR_IDLE_LEN0, 0xc0, 0xff}, 1258 {IR_IDLE_LEN1, 0x00, 0xff}, 1259 {IR_GLITCH_LEN, 0x03, 0xff}, 1260 {IR_RX_CLK, 0x09, 0xff}, 1261 {IR_RX_CFG, 0x1c, 0xff}, 1262 {IR_MAX_H_TOL_LEN, 0x1e, 0xff}, 1263 {IR_MAX_L_TOL_LEN, 0x1e, 0xff}, 1264 {IR_RX_CTRL, 0x80, 0xff}, 1265 }; 1266 1267 for (i = 0; i < ARRAY_SIZE(init_tab); i++) { 1268 ret = rtl28xx_wr_reg_mask(d, init_tab[i].reg, 1269 init_tab[i].val, init_tab[i].mask); 1270 if (ret) 1271 goto err; 1272 } 1273 1274 priv->rc_active = true; 1275 } 1276 1277 ret = rtl28xx_rd_reg(d, IR_RX_IF, &buf[0]); 1278 if (ret) 1279 goto err; 1280 1281 if (buf[0] != 0x83) 1282 goto exit; 1283 1284 ret = rtl28xx_rd_reg(d, IR_RX_BC, &buf[0]); 1285 if (ret) 1286 goto err; 1287 1288 len = buf[0]; 1289 1290 /* read raw code from hw */ 1291 ret = rtl2831_rd_regs(d, IR_RX_BUF, buf, len); 1292 if (ret) 1293 goto err; 1294 1295 /* let hw receive new code */ 1296 for (i = 0; i < ARRAY_SIZE(refresh_tab); i++) { 1297 ret = rtl28xx_wr_reg_mask(d, refresh_tab[i].reg, 1298 refresh_tab[i].val, refresh_tab[i].mask); 1299 if (ret) 1300 goto err; 1301 } 1302 1303 /* pass data to Kernel IR decoder */ 1304 init_ir_raw_event(&ev); 1305 1306 for (i = 0; i < len; i++) { 1307 ev.pulse = buf[i] >> 7; 1308 ev.duration = 50800 * (buf[i] & 0x7f); 1309 ir_raw_event_store_with_filter(d->rc_dev, &ev); 1310 } 1311 1312 /* 'flush' ir_raw_event_store_with_filter() */ 1313 ir_raw_event_set_idle(d->rc_dev, true); 1314 ir_raw_event_handle(d->rc_dev); 1315 exit: 1316 return ret; 1317 err: 1318 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); 1319 return ret; 1320 } 1321 1322 static int rtl2832u_get_rc_config(struct dvb_usb_device *d, 1323 struct dvb_usb_rc *rc) 1324 { 1325 /* load empty to enable rc */ 1326 if (!rc->map_name) 1327 rc->map_name = RC_MAP_EMPTY; 1328 rc->allowed_protos = RC_BIT_ALL; 1329 rc->driver_type = RC_DRIVER_IR_RAW; 1330 rc->query = rtl2832u_rc_query; 1331 rc->interval = 400; 1332 1333 return 0; 1334 } 1335 #else 1336 #define rtl2831u_get_rc_config NULL 1337 #define rtl2832u_get_rc_config NULL 1338 #endif 1339 1340 static const struct dvb_usb_device_properties rtl2831u_props = { 1341 .driver_name = KBUILD_MODNAME, 1342 .owner = THIS_MODULE, 1343 .adapter_nr = adapter_nr, 1344 .size_of_priv = sizeof(struct rtl28xxu_priv), 1345 1346 .power_ctrl = rtl2831u_power_ctrl, 1347 .i2c_algo = &rtl28xxu_i2c_algo, 1348 .read_config = rtl2831u_read_config, 1349 .frontend_attach = rtl2831u_frontend_attach, 1350 .tuner_attach = rtl2831u_tuner_attach, 1351 .init = rtl28xxu_init, 1352 .get_rc_config = rtl2831u_get_rc_config, 1353 1354 .num_adapters = 1, 1355 .adapter = { 1356 { 1357 .stream = DVB_USB_STREAM_BULK(0x81, 6, 8 * 512), 1358 }, 1359 }, 1360 }; 1361 1362 static const struct dvb_usb_device_properties rtl2832u_props = { 1363 .driver_name = KBUILD_MODNAME, 1364 .owner = THIS_MODULE, 1365 .adapter_nr = adapter_nr, 1366 .size_of_priv = sizeof(struct rtl28xxu_priv), 1367 1368 .power_ctrl = rtl2832u_power_ctrl, 1369 .i2c_algo = &rtl28xxu_i2c_algo, 1370 .read_config = rtl2832u_read_config, 1371 .frontend_attach = rtl2832u_frontend_attach, 1372 .tuner_attach = rtl2832u_tuner_attach, 1373 .init = rtl28xxu_init, 1374 .get_rc_config = rtl2832u_get_rc_config, 1375 1376 .num_adapters = 1, 1377 .adapter = { 1378 { 1379 .stream = DVB_USB_STREAM_BULK(0x81, 6, 8 * 512), 1380 }, 1381 }, 1382 }; 1383 1384 static const struct usb_device_id rtl28xxu_id_table[] = { 1385 { DVB_USB_DEVICE(USB_VID_REALTEK, USB_PID_REALTEK_RTL2831U, 1386 &rtl2831u_props, "Realtek RTL2831U reference design", NULL) }, 1387 { DVB_USB_DEVICE(USB_VID_WIDEVIEW, USB_PID_FREECOM_DVBT, 1388 &rtl2831u_props, "Freecom USB2.0 DVB-T", NULL) }, 1389 { DVB_USB_DEVICE(USB_VID_WIDEVIEW, USB_PID_FREECOM_DVBT_2, 1390 &rtl2831u_props, "Freecom USB2.0 DVB-T", NULL) }, 1391 1392 { DVB_USB_DEVICE(USB_VID_REALTEK, 0x2832, 1393 &rtl2832u_props, "Realtek RTL2832U reference design", NULL) }, 1394 { DVB_USB_DEVICE(USB_VID_REALTEK, 0x2838, 1395 &rtl2832u_props, "Realtek RTL2832U reference design", NULL) }, 1396 { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_CINERGY_T_STICK_BLACK_REV1, 1397 &rtl2832u_props, "TerraTec Cinergy T Stick Black", RC_MAP_TERRATEC_SLIM) }, 1398 { DVB_USB_DEVICE(USB_VID_GTEK, USB_PID_DELOCK_USB2_DVBT, 1399 &rtl2832u_props, "G-Tek Electronics Group Lifeview LV5TDLX DVB-T", NULL) }, 1400 { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_NOXON_DAB_STICK, 1401 &rtl2832u_props, "TerraTec NOXON DAB Stick", NULL) }, 1402 { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_NOXON_DAB_STICK_REV2, 1403 &rtl2832u_props, "TerraTec NOXON DAB Stick (rev 2)", NULL) }, 1404 { DVB_USB_DEVICE(USB_VID_GTEK, USB_PID_TREKSTOR_TERRES_2_0, 1405 &rtl2832u_props, "Trekstor DVB-T Stick Terres 2.0", NULL) }, 1406 { DVB_USB_DEVICE(USB_VID_DEXATEK, 0x1101, 1407 &rtl2832u_props, "Dexatek DK DVB-T Dongle", NULL) }, 1408 { DVB_USB_DEVICE(USB_VID_LEADTEK, 0x6680, 1409 &rtl2832u_props, "DigitalNow Quad DVB-T Receiver", NULL) }, 1410 { DVB_USB_DEVICE(USB_VID_TERRATEC, 0x00d3, 1411 &rtl2832u_props, "TerraTec Cinergy T Stick RC (Rev. 3)", NULL) }, 1412 { DVB_USB_DEVICE(USB_VID_DEXATEK, 0x1102, 1413 &rtl2832u_props, "Dexatek DK mini DVB-T Dongle", NULL) }, 1414 { DVB_USB_DEVICE(USB_VID_TERRATEC, 0x00d7, 1415 &rtl2832u_props, "TerraTec Cinergy T Stick+", NULL) }, 1416 { DVB_USB_DEVICE(USB_VID_KWORLD_2, 0xd3a8, 1417 &rtl2832u_props, "ASUS My Cinema-U3100Mini Plus V2", NULL) }, 1418 { DVB_USB_DEVICE(USB_VID_KWORLD_2, 0xd393, 1419 &rtl2832u_props, "GIGABYTE U7300", NULL) }, 1420 { DVB_USB_DEVICE(USB_VID_DEXATEK, 0x1104, 1421 &rtl2832u_props, "MSI DIGIVOX Micro HD", NULL) }, 1422 { DVB_USB_DEVICE(USB_VID_COMPRO, 0x0620, 1423 &rtl2832u_props, "Compro VideoMate U620F", NULL) }, 1424 { DVB_USB_DEVICE(USB_VID_KWORLD_2, 0xd394, 1425 &rtl2832u_props, "MaxMedia HU394-T", NULL) }, 1426 { DVB_USB_DEVICE(USB_VID_LEADTEK, 0x6a03, 1427 &rtl2832u_props, "Leadtek WinFast DTV Dongle mini", NULL) }, 1428 { DVB_USB_DEVICE(USB_VID_GTEK, USB_PID_CPYTO_REDI_PC50A, 1429 &rtl2832u_props, "Crypto ReDi PC 50 A", NULL) }, 1430 1431 { DVB_USB_DEVICE(USB_VID_HANFTEK, 0x0131, 1432 &rtl2832u_props, "Astrometa DVB-T2", NULL) }, 1433 { } 1434 }; 1435 MODULE_DEVICE_TABLE(usb, rtl28xxu_id_table); 1436 1437 static struct usb_driver rtl28xxu_usb_driver = { 1438 .name = KBUILD_MODNAME, 1439 .id_table = rtl28xxu_id_table, 1440 .probe = dvb_usbv2_probe, 1441 .disconnect = dvb_usbv2_disconnect, 1442 .suspend = dvb_usbv2_suspend, 1443 .resume = dvb_usbv2_resume, 1444 .reset_resume = dvb_usbv2_reset_resume, 1445 .no_dynamic_id = 1, 1446 .soft_unbind = 1, 1447 }; 1448 1449 module_usb_driver(rtl28xxu_usb_driver); 1450 1451 MODULE_DESCRIPTION("Realtek RTL28xxU DVB USB driver"); 1452 MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>"); 1453 MODULE_AUTHOR("Thomas Mair <thomas.mair86@googlemail.com>"); 1454 MODULE_LICENSE("GPL"); 1455