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 #include "rtl2832_sdr.h" 28 #include "mn88472.h" 29 #include "mn88473.h" 30 31 #include "qt1010.h" 32 #include "mt2060.h" 33 #include "mxl5005s.h" 34 #include "fc0012.h" 35 #include "fc0013.h" 36 #include "e4000.h" 37 #include "fc2580.h" 38 #include "tua9001.h" 39 #include "r820t.h" 40 41 42 #ifdef CONFIG_MEDIA_ATTACH 43 #define dvb_attach_sdr(FUNCTION, ARGS...) ({ \ 44 void *__r = NULL; \ 45 typeof(&FUNCTION) __a = symbol_request(FUNCTION); \ 46 if (__a) { \ 47 __r = (void *) __a(ARGS); \ 48 if (__r == NULL) \ 49 symbol_put(FUNCTION); \ 50 } \ 51 __r; \ 52 }) 53 54 #else 55 #define dvb_attach_sdr(FUNCTION, ARGS...) ({ \ 56 FUNCTION(ARGS); \ 57 }) 58 59 #endif 60 61 static int rtl28xxu_disable_rc; 62 module_param_named(disable_rc, rtl28xxu_disable_rc, int, 0644); 63 MODULE_PARM_DESC(disable_rc, "disable RTL2832U remote controller"); 64 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); 65 66 static int rtl28xxu_ctrl_msg(struct dvb_usb_device *d, struct rtl28xxu_req *req) 67 { 68 int ret; 69 unsigned int pipe; 70 u8 requesttype; 71 u8 *buf; 72 73 buf = kmalloc(req->size, GFP_KERNEL); 74 if (!buf) { 75 ret = -ENOMEM; 76 goto err; 77 } 78 79 if (req->index & CMD_WR_FLAG) { 80 /* write */ 81 memcpy(buf, req->data, req->size); 82 requesttype = (USB_TYPE_VENDOR | USB_DIR_OUT); 83 pipe = usb_sndctrlpipe(d->udev, 0); 84 } else { 85 /* read */ 86 requesttype = (USB_TYPE_VENDOR | USB_DIR_IN); 87 pipe = usb_rcvctrlpipe(d->udev, 0); 88 } 89 90 ret = usb_control_msg(d->udev, pipe, 0, requesttype, req->value, 91 req->index, buf, req->size, 1000); 92 93 dvb_usb_dbg_usb_control_msg(d->udev, 0, requesttype, req->value, 94 req->index, buf, req->size); 95 96 if (ret > 0) 97 ret = 0; 98 99 /* read request, copy returned data to return buf */ 100 if (!ret && requesttype == (USB_TYPE_VENDOR | USB_DIR_IN)) 101 memcpy(req->data, buf, req->size); 102 103 kfree(buf); 104 105 if (ret) 106 goto err; 107 108 return ret; 109 err: 110 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); 111 return ret; 112 } 113 114 static int rtl28xx_wr_regs(struct dvb_usb_device *d, u16 reg, u8 *val, int len) 115 { 116 struct rtl28xxu_req req; 117 118 if (reg < 0x3000) 119 req.index = CMD_USB_WR; 120 else if (reg < 0x4000) 121 req.index = CMD_SYS_WR; 122 else 123 req.index = CMD_IR_WR; 124 125 req.value = reg; 126 req.size = len; 127 req.data = val; 128 129 return rtl28xxu_ctrl_msg(d, &req); 130 } 131 132 static int rtl2831_rd_regs(struct dvb_usb_device *d, u16 reg, u8 *val, int len) 133 { 134 struct rtl28xxu_req req; 135 136 if (reg < 0x3000) 137 req.index = CMD_USB_RD; 138 else if (reg < 0x4000) 139 req.index = CMD_SYS_RD; 140 else 141 req.index = CMD_IR_RD; 142 143 req.value = reg; 144 req.size = len; 145 req.data = val; 146 147 return rtl28xxu_ctrl_msg(d, &req); 148 } 149 150 static int rtl28xx_wr_reg(struct dvb_usb_device *d, u16 reg, u8 val) 151 { 152 return rtl28xx_wr_regs(d, reg, &val, 1); 153 } 154 155 static int rtl28xx_rd_reg(struct dvb_usb_device *d, u16 reg, u8 *val) 156 { 157 return rtl2831_rd_regs(d, reg, val, 1); 158 } 159 160 static int rtl28xx_wr_reg_mask(struct dvb_usb_device *d, u16 reg, u8 val, 161 u8 mask) 162 { 163 int ret; 164 u8 tmp; 165 166 /* no need for read if whole reg is written */ 167 if (mask != 0xff) { 168 ret = rtl28xx_rd_reg(d, reg, &tmp); 169 if (ret) 170 return ret; 171 172 val &= mask; 173 tmp &= ~mask; 174 val |= tmp; 175 } 176 177 return rtl28xx_wr_reg(d, reg, val); 178 } 179 180 /* I2C */ 181 static int rtl28xxu_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[], 182 int num) 183 { 184 int ret; 185 struct dvb_usb_device *d = i2c_get_adapdata(adap); 186 struct rtl28xxu_priv *priv = d->priv; 187 struct rtl28xxu_req req; 188 189 /* 190 * It is not known which are real I2C bus xfer limits, but testing 191 * with RTL2831U + MT2060 gives max RD 24 and max WR 22 bytes. 192 * TODO: find out RTL2832U lens 193 */ 194 195 /* 196 * I2C adapter logic looks rather complicated due to fact it handles 197 * three different access methods. Those methods are; 198 * 1) integrated demod access 199 * 2) old I2C access 200 * 3) new I2C access 201 * 202 * Used method is selected in order 1, 2, 3. Method 3 can handle all 203 * requests but there is two reasons why not use it always; 204 * 1) It is most expensive, usually two USB messages are needed 205 * 2) At least RTL2831U does not support it 206 * 207 * Method 3 is needed in case of I2C write+read (typical register read) 208 * where write is more than one byte. 209 */ 210 211 if (mutex_lock_interruptible(&d->i2c_mutex) < 0) 212 return -EAGAIN; 213 214 if (num == 2 && !(msg[0].flags & I2C_M_RD) && 215 (msg[1].flags & I2C_M_RD)) { 216 if (msg[0].len > 24 || msg[1].len > 24) { 217 /* TODO: check msg[0].len max */ 218 ret = -EOPNOTSUPP; 219 goto err_mutex_unlock; 220 } else if (msg[0].addr == 0x10) { 221 /* method 1 - integrated demod */ 222 req.value = (msg[0].buf[0] << 8) | (msg[0].addr << 1); 223 req.index = CMD_DEMOD_RD | priv->page; 224 req.size = msg[1].len; 225 req.data = &msg[1].buf[0]; 226 ret = rtl28xxu_ctrl_msg(d, &req); 227 } else if (msg[0].len < 2) { 228 /* method 2 - old I2C */ 229 req.value = (msg[0].buf[0] << 8) | (msg[0].addr << 1); 230 req.index = CMD_I2C_RD; 231 req.size = msg[1].len; 232 req.data = &msg[1].buf[0]; 233 ret = rtl28xxu_ctrl_msg(d, &req); 234 } else { 235 /* method 3 - new I2C */ 236 req.value = (msg[0].addr << 1); 237 req.index = CMD_I2C_DA_WR; 238 req.size = msg[0].len; 239 req.data = msg[0].buf; 240 ret = rtl28xxu_ctrl_msg(d, &req); 241 if (ret) 242 goto err_mutex_unlock; 243 244 req.value = (msg[0].addr << 1); 245 req.index = CMD_I2C_DA_RD; 246 req.size = msg[1].len; 247 req.data = msg[1].buf; 248 ret = rtl28xxu_ctrl_msg(d, &req); 249 } 250 } else if (num == 1 && !(msg[0].flags & I2C_M_RD)) { 251 if (msg[0].len > 22) { 252 /* TODO: check msg[0].len max */ 253 ret = -EOPNOTSUPP; 254 goto err_mutex_unlock; 255 } else if (msg[0].addr == 0x10) { 256 /* method 1 - integrated demod */ 257 if (msg[0].buf[0] == 0x00) { 258 /* save demod page for later demod access */ 259 priv->page = msg[0].buf[1]; 260 ret = 0; 261 } else { 262 req.value = (msg[0].buf[0] << 8) | 263 (msg[0].addr << 1); 264 req.index = CMD_DEMOD_WR | priv->page; 265 req.size = msg[0].len-1; 266 req.data = &msg[0].buf[1]; 267 ret = rtl28xxu_ctrl_msg(d, &req); 268 } 269 } else if (msg[0].len < 23) { 270 /* method 2 - old I2C */ 271 req.value = (msg[0].buf[0] << 8) | (msg[0].addr << 1); 272 req.index = CMD_I2C_WR; 273 req.size = msg[0].len-1; 274 req.data = &msg[0].buf[1]; 275 ret = rtl28xxu_ctrl_msg(d, &req); 276 } else { 277 /* method 3 - new I2C */ 278 req.value = (msg[0].addr << 1); 279 req.index = CMD_I2C_DA_WR; 280 req.size = msg[0].len; 281 req.data = msg[0].buf; 282 ret = rtl28xxu_ctrl_msg(d, &req); 283 } 284 } else { 285 ret = -EINVAL; 286 } 287 288 err_mutex_unlock: 289 mutex_unlock(&d->i2c_mutex); 290 291 return ret ? ret : num; 292 } 293 294 static u32 rtl28xxu_i2c_func(struct i2c_adapter *adapter) 295 { 296 return I2C_FUNC_I2C; 297 } 298 299 static struct i2c_algorithm rtl28xxu_i2c_algo = { 300 .master_xfer = rtl28xxu_i2c_xfer, 301 .functionality = rtl28xxu_i2c_func, 302 }; 303 304 static int rtl2831u_read_config(struct dvb_usb_device *d) 305 { 306 struct rtl28xxu_priv *priv = d_to_priv(d); 307 int ret; 308 u8 buf[1]; 309 /* open RTL2831U/RTL2830 I2C gate */ 310 struct rtl28xxu_req req_gate_open = {0x0120, 0x0011, 0x0001, "\x08"}; 311 /* tuner probes */ 312 struct rtl28xxu_req req_mt2060 = {0x00c0, CMD_I2C_RD, 1, buf}; 313 struct rtl28xxu_req req_qt1010 = {0x0fc4, CMD_I2C_RD, 1, buf}; 314 315 dev_dbg(&d->udev->dev, "%s:\n", __func__); 316 317 /* 318 * RTL2831U GPIOs 319 * ========================================================= 320 * GPIO0 | tuner#0 | 0 off | 1 on | MXL5005S (?) 321 * GPIO2 | LED | 0 off | 1 on | 322 * GPIO4 | tuner#1 | 0 on | 1 off | MT2060 323 */ 324 325 /* GPIO direction */ 326 ret = rtl28xx_wr_reg(d, SYS_GPIO_DIR, 0x0a); 327 if (ret) 328 goto err; 329 330 /* enable as output GPIO0, GPIO2, GPIO4 */ 331 ret = rtl28xx_wr_reg(d, SYS_GPIO_OUT_EN, 0x15); 332 if (ret) 333 goto err; 334 335 /* 336 * Probe used tuner. We need to know used tuner before demod attach 337 * since there is some demod params needed to set according to tuner. 338 */ 339 340 /* demod needs some time to wake up */ 341 msleep(20); 342 343 priv->tuner_name = "NONE"; 344 345 /* open demod I2C gate */ 346 ret = rtl28xxu_ctrl_msg(d, &req_gate_open); 347 if (ret) 348 goto err; 349 350 /* check QT1010 ID(?) register; reg=0f val=2c */ 351 ret = rtl28xxu_ctrl_msg(d, &req_qt1010); 352 if (ret == 0 && buf[0] == 0x2c) { 353 priv->tuner = TUNER_RTL2830_QT1010; 354 priv->tuner_name = "QT1010"; 355 goto found; 356 } 357 358 /* open demod I2C gate */ 359 ret = rtl28xxu_ctrl_msg(d, &req_gate_open); 360 if (ret) 361 goto err; 362 363 /* check MT2060 ID register; reg=00 val=63 */ 364 ret = rtl28xxu_ctrl_msg(d, &req_mt2060); 365 if (ret == 0 && buf[0] == 0x63) { 366 priv->tuner = TUNER_RTL2830_MT2060; 367 priv->tuner_name = "MT2060"; 368 goto found; 369 } 370 371 /* assume MXL5005S */ 372 priv->tuner = TUNER_RTL2830_MXL5005S; 373 priv->tuner_name = "MXL5005S"; 374 goto found; 375 376 found: 377 dev_dbg(&d->udev->dev, "%s: tuner=%s\n", __func__, priv->tuner_name); 378 379 return 0; 380 err: 381 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); 382 return ret; 383 } 384 385 static int rtl2832u_read_config(struct dvb_usb_device *d) 386 { 387 struct rtl28xxu_priv *priv = d_to_priv(d); 388 int ret; 389 u8 buf[2]; 390 /* open RTL2832U/RTL2832 I2C gate */ 391 struct rtl28xxu_req req_gate_open = {0x0120, 0x0011, 0x0001, "\x18"}; 392 /* close RTL2832U/RTL2832 I2C gate */ 393 struct rtl28xxu_req req_gate_close = {0x0120, 0x0011, 0x0001, "\x10"}; 394 /* tuner probes */ 395 struct rtl28xxu_req req_fc0012 = {0x00c6, CMD_I2C_RD, 1, buf}; 396 struct rtl28xxu_req req_fc0013 = {0x00c6, CMD_I2C_RD, 1, buf}; 397 struct rtl28xxu_req req_mt2266 = {0x00c0, CMD_I2C_RD, 1, buf}; 398 struct rtl28xxu_req req_fc2580 = {0x01ac, CMD_I2C_RD, 1, buf}; 399 struct rtl28xxu_req req_mt2063 = {0x00c0, CMD_I2C_RD, 1, buf}; 400 struct rtl28xxu_req req_max3543 = {0x00c0, CMD_I2C_RD, 1, buf}; 401 struct rtl28xxu_req req_tua9001 = {0x7ec0, CMD_I2C_RD, 2, buf}; 402 struct rtl28xxu_req req_mxl5007t = {0xd9c0, CMD_I2C_RD, 1, buf}; 403 struct rtl28xxu_req req_e4000 = {0x02c8, CMD_I2C_RD, 1, buf}; 404 struct rtl28xxu_req req_tda18272 = {0x00c0, CMD_I2C_RD, 2, buf}; 405 struct rtl28xxu_req req_r820t = {0x0034, CMD_I2C_RD, 1, buf}; 406 struct rtl28xxu_req req_r828d = {0x0074, CMD_I2C_RD, 1, buf}; 407 struct rtl28xxu_req req_mn88472 = {0xff38, CMD_I2C_RD, 1, buf}; 408 struct rtl28xxu_req req_mn88473 = {0xff38, CMD_I2C_RD, 1, buf}; 409 410 dev_dbg(&d->udev->dev, "%s:\n", __func__); 411 412 /* enable GPIO3 and GPIO6 as output */ 413 ret = rtl28xx_wr_reg_mask(d, SYS_GPIO_DIR, 0x00, 0x40); 414 if (ret) 415 goto err; 416 417 ret = rtl28xx_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x48, 0x48); 418 if (ret) 419 goto err; 420 421 /* 422 * Probe used tuner. We need to know used tuner before demod attach 423 * since there is some demod params needed to set according to tuner. 424 */ 425 426 /* open demod I2C gate */ 427 ret = rtl28xxu_ctrl_msg(d, &req_gate_open); 428 if (ret) 429 goto err; 430 431 priv->tuner_name = "NONE"; 432 433 /* check FC0012 ID register; reg=00 val=a1 */ 434 ret = rtl28xxu_ctrl_msg(d, &req_fc0012); 435 if (ret == 0 && buf[0] == 0xa1) { 436 priv->tuner = TUNER_RTL2832_FC0012; 437 priv->tuner_name = "FC0012"; 438 goto tuner_found; 439 } 440 441 /* check FC0013 ID register; reg=00 val=a3 */ 442 ret = rtl28xxu_ctrl_msg(d, &req_fc0013); 443 if (ret == 0 && buf[0] == 0xa3) { 444 priv->tuner = TUNER_RTL2832_FC0013; 445 priv->tuner_name = "FC0013"; 446 goto tuner_found; 447 } 448 449 /* check MT2266 ID register; reg=00 val=85 */ 450 ret = rtl28xxu_ctrl_msg(d, &req_mt2266); 451 if (ret == 0 && buf[0] == 0x85) { 452 priv->tuner = TUNER_RTL2832_MT2266; 453 priv->tuner_name = "MT2266"; 454 goto tuner_found; 455 } 456 457 /* check FC2580 ID register; reg=01 val=56 */ 458 ret = rtl28xxu_ctrl_msg(d, &req_fc2580); 459 if (ret == 0 && buf[0] == 0x56) { 460 priv->tuner = TUNER_RTL2832_FC2580; 461 priv->tuner_name = "FC2580"; 462 goto tuner_found; 463 } 464 465 /* check MT2063 ID register; reg=00 val=9e || 9c */ 466 ret = rtl28xxu_ctrl_msg(d, &req_mt2063); 467 if (ret == 0 && (buf[0] == 0x9e || buf[0] == 0x9c)) { 468 priv->tuner = TUNER_RTL2832_MT2063; 469 priv->tuner_name = "MT2063"; 470 goto tuner_found; 471 } 472 473 /* check MAX3543 ID register; reg=00 val=38 */ 474 ret = rtl28xxu_ctrl_msg(d, &req_max3543); 475 if (ret == 0 && buf[0] == 0x38) { 476 priv->tuner = TUNER_RTL2832_MAX3543; 477 priv->tuner_name = "MAX3543"; 478 goto tuner_found; 479 } 480 481 /* check TUA9001 ID register; reg=7e val=2328 */ 482 ret = rtl28xxu_ctrl_msg(d, &req_tua9001); 483 if (ret == 0 && buf[0] == 0x23 && buf[1] == 0x28) { 484 priv->tuner = TUNER_RTL2832_TUA9001; 485 priv->tuner_name = "TUA9001"; 486 goto tuner_found; 487 } 488 489 /* check MXL5007R ID register; reg=d9 val=14 */ 490 ret = rtl28xxu_ctrl_msg(d, &req_mxl5007t); 491 if (ret == 0 && buf[0] == 0x14) { 492 priv->tuner = TUNER_RTL2832_MXL5007T; 493 priv->tuner_name = "MXL5007T"; 494 goto tuner_found; 495 } 496 497 /* check E4000 ID register; reg=02 val=40 */ 498 ret = rtl28xxu_ctrl_msg(d, &req_e4000); 499 if (ret == 0 && buf[0] == 0x40) { 500 priv->tuner = TUNER_RTL2832_E4000; 501 priv->tuner_name = "E4000"; 502 goto tuner_found; 503 } 504 505 /* check TDA18272 ID register; reg=00 val=c760 */ 506 ret = rtl28xxu_ctrl_msg(d, &req_tda18272); 507 if (ret == 0 && (buf[0] == 0xc7 || buf[1] == 0x60)) { 508 priv->tuner = TUNER_RTL2832_TDA18272; 509 priv->tuner_name = "TDA18272"; 510 goto tuner_found; 511 } 512 513 /* check R820T ID register; reg=00 val=69 */ 514 ret = rtl28xxu_ctrl_msg(d, &req_r820t); 515 if (ret == 0 && buf[0] == 0x69) { 516 priv->tuner = TUNER_RTL2832_R820T; 517 priv->tuner_name = "R820T"; 518 goto tuner_found; 519 } 520 521 /* check R828D ID register; reg=00 val=69 */ 522 ret = rtl28xxu_ctrl_msg(d, &req_r828d); 523 if (ret == 0 && buf[0] == 0x69) { 524 priv->tuner = TUNER_RTL2832_R828D; 525 priv->tuner_name = "R828D"; 526 goto tuner_found; 527 } 528 529 tuner_found: 530 dev_dbg(&d->udev->dev, "%s: tuner=%s\n", __func__, priv->tuner_name); 531 532 /* probe slave demod */ 533 if (priv->tuner == TUNER_RTL2832_R828D) { 534 /* power on MN88472 demod on GPIO0 */ 535 ret = rtl28xx_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x01, 0x01); 536 if (ret) 537 goto err; 538 539 ret = rtl28xx_wr_reg_mask(d, SYS_GPIO_DIR, 0x00, 0x01); 540 if (ret) 541 goto err; 542 543 ret = rtl28xx_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x01, 0x01); 544 if (ret) 545 goto err; 546 547 /* check MN88472 answers */ 548 ret = rtl28xxu_ctrl_msg(d, &req_mn88472); 549 if (ret == 0 && buf[0] == 0x02) { 550 dev_dbg(&d->udev->dev, "%s: MN88472 found\n", __func__); 551 priv->slave_demod = SLAVE_DEMOD_MN88472; 552 goto demod_found; 553 } 554 555 ret = rtl28xxu_ctrl_msg(d, &req_mn88473); 556 if (ret == 0 && buf[0] == 0x03) { 557 dev_dbg(&d->udev->dev, "%s: MN88473 found\n", __func__); 558 priv->slave_demod = SLAVE_DEMOD_MN88473; 559 goto demod_found; 560 } 561 } 562 563 demod_found: 564 /* close demod I2C gate */ 565 ret = rtl28xxu_ctrl_msg(d, &req_gate_close); 566 if (ret < 0) 567 goto err; 568 569 return 0; 570 err: 571 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); 572 return ret; 573 } 574 575 static const struct rtl2830_config rtl28xxu_rtl2830_mt2060_config = { 576 .i2c_addr = 0x10, /* 0x20 */ 577 .xtal = 28800000, 578 .ts_mode = 0, 579 .spec_inv = 1, 580 .vtop = 0x20, 581 .krf = 0x04, 582 .agc_targ_val = 0x2d, 583 584 }; 585 586 static const struct rtl2830_config rtl28xxu_rtl2830_qt1010_config = { 587 .i2c_addr = 0x10, /* 0x20 */ 588 .xtal = 28800000, 589 .ts_mode = 0, 590 .spec_inv = 1, 591 .vtop = 0x20, 592 .krf = 0x04, 593 .agc_targ_val = 0x2d, 594 }; 595 596 static const struct rtl2830_config rtl28xxu_rtl2830_mxl5005s_config = { 597 .i2c_addr = 0x10, /* 0x20 */ 598 .xtal = 28800000, 599 .ts_mode = 0, 600 .spec_inv = 0, 601 .vtop = 0x3f, 602 .krf = 0x04, 603 .agc_targ_val = 0x3e, 604 }; 605 606 static int rtl2831u_frontend_attach(struct dvb_usb_adapter *adap) 607 { 608 struct dvb_usb_device *d = adap_to_d(adap); 609 struct rtl28xxu_priv *priv = d_to_priv(d); 610 const struct rtl2830_config *rtl2830_config; 611 int ret; 612 613 dev_dbg(&d->udev->dev, "%s:\n", __func__); 614 615 switch (priv->tuner) { 616 case TUNER_RTL2830_QT1010: 617 rtl2830_config = &rtl28xxu_rtl2830_qt1010_config; 618 break; 619 case TUNER_RTL2830_MT2060: 620 rtl2830_config = &rtl28xxu_rtl2830_mt2060_config; 621 break; 622 case TUNER_RTL2830_MXL5005S: 623 rtl2830_config = &rtl28xxu_rtl2830_mxl5005s_config; 624 break; 625 default: 626 dev_err(&d->udev->dev, "%s: unknown tuner=%s\n", 627 KBUILD_MODNAME, priv->tuner_name); 628 ret = -ENODEV; 629 goto err; 630 } 631 632 /* attach demodulator */ 633 adap->fe[0] = dvb_attach(rtl2830_attach, rtl2830_config, &d->i2c_adap); 634 if (!adap->fe[0]) { 635 ret = -ENODEV; 636 goto err; 637 } 638 639 return 0; 640 err: 641 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); 642 return ret; 643 } 644 645 static const struct rtl2832_config rtl28xxu_rtl2832_fc0012_config = { 646 .i2c_addr = 0x10, /* 0x20 */ 647 .xtal = 28800000, 648 .tuner = TUNER_RTL2832_FC0012 649 }; 650 651 static const struct rtl2832_config rtl28xxu_rtl2832_fc0013_config = { 652 .i2c_addr = 0x10, /* 0x20 */ 653 .xtal = 28800000, 654 .tuner = TUNER_RTL2832_FC0013 655 }; 656 657 static const struct rtl2832_config rtl28xxu_rtl2832_tua9001_config = { 658 .i2c_addr = 0x10, /* 0x20 */ 659 .xtal = 28800000, 660 .tuner = TUNER_RTL2832_TUA9001, 661 }; 662 663 static const struct rtl2832_config rtl28xxu_rtl2832_e4000_config = { 664 .i2c_addr = 0x10, /* 0x20 */ 665 .xtal = 28800000, 666 .tuner = TUNER_RTL2832_E4000, 667 }; 668 669 static const struct rtl2832_config rtl28xxu_rtl2832_r820t_config = { 670 .i2c_addr = 0x10, 671 .xtal = 28800000, 672 .tuner = TUNER_RTL2832_R820T, 673 }; 674 675 static int rtl2832u_fc0012_tuner_callback(struct dvb_usb_device *d, 676 int cmd, int arg) 677 { 678 int ret; 679 u8 val; 680 681 dev_dbg(&d->udev->dev, "%s: cmd=%d arg=%d\n", __func__, cmd, arg); 682 683 switch (cmd) { 684 case FC_FE_CALLBACK_VHF_ENABLE: 685 /* set output values */ 686 ret = rtl28xx_rd_reg(d, SYS_GPIO_OUT_VAL, &val); 687 if (ret) 688 goto err; 689 690 if (arg) 691 val &= 0xbf; /* set GPIO6 low */ 692 else 693 val |= 0x40; /* set GPIO6 high */ 694 695 696 ret = rtl28xx_wr_reg(d, SYS_GPIO_OUT_VAL, val); 697 if (ret) 698 goto err; 699 break; 700 default: 701 ret = -EINVAL; 702 goto err; 703 } 704 return 0; 705 err: 706 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); 707 return ret; 708 } 709 710 static int rtl2832u_tua9001_tuner_callback(struct dvb_usb_device *d, 711 int cmd, int arg) 712 { 713 int ret; 714 u8 val; 715 716 dev_dbg(&d->udev->dev, "%s: cmd=%d arg=%d\n", __func__, cmd, arg); 717 718 /* 719 * CEN always enabled by hardware wiring 720 * RESETN GPIO4 721 * RXEN GPIO1 722 */ 723 724 switch (cmd) { 725 case TUA9001_CMD_RESETN: 726 if (arg) 727 val = (1 << 4); 728 else 729 val = (0 << 4); 730 731 ret = rtl28xx_wr_reg_mask(d, SYS_GPIO_OUT_VAL, val, 0x10); 732 if (ret) 733 goto err; 734 break; 735 case TUA9001_CMD_RXEN: 736 if (arg) 737 val = (1 << 1); 738 else 739 val = (0 << 1); 740 741 ret = rtl28xx_wr_reg_mask(d, SYS_GPIO_OUT_VAL, val, 0x02); 742 if (ret) 743 goto err; 744 break; 745 } 746 747 return 0; 748 err: 749 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); 750 return ret; 751 } 752 753 static int rtl2832u_tuner_callback(struct dvb_usb_device *d, int cmd, int arg) 754 { 755 struct rtl28xxu_priv *priv = d->priv; 756 757 switch (priv->tuner) { 758 case TUNER_RTL2832_FC0012: 759 return rtl2832u_fc0012_tuner_callback(d, cmd, arg); 760 case TUNER_RTL2832_TUA9001: 761 return rtl2832u_tua9001_tuner_callback(d, cmd, arg); 762 default: 763 break; 764 } 765 766 return 0; 767 } 768 769 static int rtl2832u_frontend_callback(void *adapter_priv, int component, 770 int cmd, int arg) 771 { 772 struct i2c_adapter *adap = adapter_priv; 773 struct dvb_usb_device *d = i2c_get_adapdata(adap); 774 775 dev_dbg(&d->udev->dev, "%s: component=%d cmd=%d arg=%d\n", 776 __func__, component, cmd, arg); 777 778 switch (component) { 779 case DVB_FRONTEND_COMPONENT_TUNER: 780 return rtl2832u_tuner_callback(d, cmd, arg); 781 default: 782 break; 783 } 784 785 return 0; 786 } 787 788 static int rtl2832u_frontend_attach(struct dvb_usb_adapter *adap) 789 { 790 int ret; 791 struct dvb_usb_device *d = adap_to_d(adap); 792 struct rtl28xxu_priv *priv = d_to_priv(d); 793 const struct rtl2832_config *rtl2832_config; 794 795 dev_dbg(&d->udev->dev, "%s:\n", __func__); 796 797 switch (priv->tuner) { 798 case TUNER_RTL2832_FC0012: 799 rtl2832_config = &rtl28xxu_rtl2832_fc0012_config; 800 break; 801 case TUNER_RTL2832_FC0013: 802 rtl2832_config = &rtl28xxu_rtl2832_fc0013_config; 803 break; 804 case TUNER_RTL2832_FC2580: 805 /* FIXME: do not abuse fc0012 settings */ 806 rtl2832_config = &rtl28xxu_rtl2832_fc0012_config; 807 break; 808 case TUNER_RTL2832_TUA9001: 809 rtl2832_config = &rtl28xxu_rtl2832_tua9001_config; 810 break; 811 case TUNER_RTL2832_E4000: 812 rtl2832_config = &rtl28xxu_rtl2832_e4000_config; 813 break; 814 case TUNER_RTL2832_R820T: 815 case TUNER_RTL2832_R828D: 816 rtl2832_config = &rtl28xxu_rtl2832_r820t_config; 817 break; 818 default: 819 dev_err(&d->udev->dev, "%s: unknown tuner=%s\n", 820 KBUILD_MODNAME, priv->tuner_name); 821 ret = -ENODEV; 822 goto err; 823 } 824 825 /* attach demodulator */ 826 adap->fe[0] = dvb_attach(rtl2832_attach, rtl2832_config, &d->i2c_adap); 827 if (!adap->fe[0]) { 828 ret = -ENODEV; 829 goto err; 830 } 831 832 /* RTL2832 I2C repeater */ 833 priv->demod_i2c_adapter = rtl2832_get_i2c_adapter(adap->fe[0]); 834 835 /* set fe callback */ 836 adap->fe[0]->callback = rtl2832u_frontend_callback; 837 838 if (priv->slave_demod) { 839 struct i2c_board_info info = {}; 840 struct i2c_client *client; 841 842 /* 843 * We continue on reduced mode, without DVB-T2/C, using master 844 * demod, when slave demod fails. 845 */ 846 ret = 0; 847 848 /* attach slave demodulator */ 849 if (priv->slave_demod == SLAVE_DEMOD_MN88472) { 850 struct mn88472_config mn88472_config = {}; 851 852 mn88472_config.fe = &adap->fe[1]; 853 mn88472_config.i2c_wr_max = 22, 854 strlcpy(info.type, "mn88472", I2C_NAME_SIZE); 855 info.addr = 0x18; 856 info.platform_data = &mn88472_config; 857 request_module(info.type); 858 client = i2c_new_device(priv->demod_i2c_adapter, &info); 859 if (client == NULL || client->dev.driver == NULL) { 860 priv->slave_demod = SLAVE_DEMOD_NONE; 861 goto err_slave_demod_failed; 862 } 863 864 if (!try_module_get(client->dev.driver->owner)) { 865 i2c_unregister_device(client); 866 priv->slave_demod = SLAVE_DEMOD_NONE; 867 goto err_slave_demod_failed; 868 } 869 870 priv->i2c_client_slave_demod = client; 871 } else { 872 struct mn88473_config mn88473_config = {}; 873 874 mn88473_config.fe = &adap->fe[1]; 875 mn88473_config.i2c_wr_max = 22, 876 strlcpy(info.type, "mn88473", I2C_NAME_SIZE); 877 info.addr = 0x18; 878 info.platform_data = &mn88473_config; 879 request_module(info.type); 880 client = i2c_new_device(priv->demod_i2c_adapter, &info); 881 if (client == NULL || client->dev.driver == NULL) { 882 priv->slave_demod = SLAVE_DEMOD_NONE; 883 goto err_slave_demod_failed; 884 } 885 886 if (!try_module_get(client->dev.driver->owner)) { 887 i2c_unregister_device(client); 888 priv->slave_demod = SLAVE_DEMOD_NONE; 889 goto err_slave_demod_failed; 890 } 891 892 priv->i2c_client_slave_demod = client; 893 } 894 } 895 896 return 0; 897 err_slave_demod_failed: 898 err: 899 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); 900 return ret; 901 } 902 903 static struct qt1010_config rtl28xxu_qt1010_config = { 904 .i2c_address = 0x62, /* 0xc4 */ 905 }; 906 907 static struct mt2060_config rtl28xxu_mt2060_config = { 908 .i2c_address = 0x60, /* 0xc0 */ 909 .clock_out = 0, 910 }; 911 912 static struct mxl5005s_config rtl28xxu_mxl5005s_config = { 913 .i2c_address = 0x63, /* 0xc6 */ 914 .if_freq = IF_FREQ_4570000HZ, 915 .xtal_freq = CRYSTAL_FREQ_16000000HZ, 916 .agc_mode = MXL_SINGLE_AGC, 917 .tracking_filter = MXL_TF_C_H, 918 .rssi_enable = MXL_RSSI_ENABLE, 919 .cap_select = MXL_CAP_SEL_ENABLE, 920 .div_out = MXL_DIV_OUT_4, 921 .clock_out = MXL_CLOCK_OUT_DISABLE, 922 .output_load = MXL5005S_IF_OUTPUT_LOAD_200_OHM, 923 .top = MXL5005S_TOP_25P2, 924 .mod_mode = MXL_DIGITAL_MODE, 925 .if_mode = MXL_ZERO_IF, 926 .AgcMasterByte = 0x00, 927 }; 928 929 static int rtl2831u_tuner_attach(struct dvb_usb_adapter *adap) 930 { 931 int ret; 932 struct dvb_usb_device *d = adap_to_d(adap); 933 struct rtl28xxu_priv *priv = d_to_priv(d); 934 struct i2c_adapter *rtl2830_tuner_i2c; 935 struct dvb_frontend *fe; 936 937 dev_dbg(&d->udev->dev, "%s:\n", __func__); 938 939 /* use rtl2830 driver I2C adapter, for more info see rtl2830 driver */ 940 rtl2830_tuner_i2c = rtl2830_get_tuner_i2c_adapter(adap->fe[0]); 941 942 switch (priv->tuner) { 943 case TUNER_RTL2830_QT1010: 944 fe = dvb_attach(qt1010_attach, adap->fe[0], 945 rtl2830_tuner_i2c, &rtl28xxu_qt1010_config); 946 break; 947 case TUNER_RTL2830_MT2060: 948 fe = dvb_attach(mt2060_attach, adap->fe[0], 949 rtl2830_tuner_i2c, &rtl28xxu_mt2060_config, 950 1220); 951 break; 952 case TUNER_RTL2830_MXL5005S: 953 fe = dvb_attach(mxl5005s_attach, adap->fe[0], 954 rtl2830_tuner_i2c, &rtl28xxu_mxl5005s_config); 955 break; 956 default: 957 fe = NULL; 958 dev_err(&d->udev->dev, "%s: unknown tuner=%d\n", KBUILD_MODNAME, 959 priv->tuner); 960 } 961 962 if (fe == NULL) { 963 ret = -ENODEV; 964 goto err; 965 } 966 967 return 0; 968 err: 969 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); 970 return ret; 971 } 972 973 static const struct fc2580_config rtl2832u_fc2580_config = { 974 .i2c_addr = 0x56, 975 .clock = 16384000, 976 }; 977 978 static struct tua9001_config rtl2832u_tua9001_config = { 979 .i2c_addr = 0x60, 980 }; 981 982 static const struct fc0012_config rtl2832u_fc0012_config = { 983 .i2c_address = 0x63, /* 0xc6 >> 1 */ 984 .xtal_freq = FC_XTAL_28_8_MHZ, 985 }; 986 987 static const struct r820t_config rtl2832u_r820t_config = { 988 .i2c_addr = 0x1a, 989 .xtal = 28800000, 990 .max_i2c_msg_len = 2, 991 .rafael_chip = CHIP_R820T, 992 }; 993 994 static const struct r820t_config rtl2832u_r828d_config = { 995 .i2c_addr = 0x3a, 996 .xtal = 16000000, 997 .max_i2c_msg_len = 2, 998 .rafael_chip = CHIP_R828D, 999 }; 1000 1001 static int rtl2832u_tuner_attach(struct dvb_usb_adapter *adap) 1002 { 1003 int ret; 1004 struct dvb_usb_device *d = adap_to_d(adap); 1005 struct rtl28xxu_priv *priv = d_to_priv(d); 1006 struct dvb_frontend *fe = NULL; 1007 struct i2c_board_info info; 1008 struct i2c_client *client; 1009 1010 dev_dbg(&d->udev->dev, "%s:\n", __func__); 1011 1012 memset(&info, 0, sizeof(struct i2c_board_info)); 1013 1014 switch (priv->tuner) { 1015 case TUNER_RTL2832_FC0012: 1016 fe = dvb_attach(fc0012_attach, adap->fe[0], 1017 &d->i2c_adap, &rtl2832u_fc0012_config); 1018 1019 /* since fc0012 includs reading the signal strength delegate 1020 * that to the tuner driver */ 1021 adap->fe[0]->ops.read_signal_strength = 1022 adap->fe[0]->ops.tuner_ops.get_rf_strength; 1023 1024 /* attach SDR */ 1025 dvb_attach_sdr(rtl2832_sdr_attach, adap->fe[0], &d->i2c_adap, 1026 &rtl28xxu_rtl2832_fc0012_config, NULL); 1027 break; 1028 case TUNER_RTL2832_FC0013: 1029 fe = dvb_attach(fc0013_attach, adap->fe[0], 1030 &d->i2c_adap, 0xc6>>1, 0, FC_XTAL_28_8_MHZ); 1031 1032 /* fc0013 also supports signal strength reading */ 1033 adap->fe[0]->ops.read_signal_strength = 1034 adap->fe[0]->ops.tuner_ops.get_rf_strength; 1035 1036 /* attach SDR */ 1037 dvb_attach_sdr(rtl2832_sdr_attach, adap->fe[0], &d->i2c_adap, 1038 &rtl28xxu_rtl2832_fc0013_config, NULL); 1039 break; 1040 case TUNER_RTL2832_E4000: { 1041 struct v4l2_subdev *sd; 1042 struct i2c_adapter *i2c_adap_internal = 1043 rtl2832_get_private_i2c_adapter(adap->fe[0]); 1044 struct e4000_config e4000_config = { 1045 .fe = adap->fe[0], 1046 .clock = 28800000, 1047 }; 1048 1049 strlcpy(info.type, "e4000", I2C_NAME_SIZE); 1050 info.addr = 0x64; 1051 info.platform_data = &e4000_config; 1052 1053 request_module(info.type); 1054 client = i2c_new_device(priv->demod_i2c_adapter, &info); 1055 if (client == NULL || client->dev.driver == NULL) 1056 break; 1057 1058 if (!try_module_get(client->dev.driver->owner)) { 1059 i2c_unregister_device(client); 1060 break; 1061 } 1062 1063 priv->i2c_client_tuner = client; 1064 sd = i2c_get_clientdata(client); 1065 i2c_set_adapdata(i2c_adap_internal, d); 1066 1067 /* attach SDR */ 1068 dvb_attach_sdr(rtl2832_sdr_attach, adap->fe[0], 1069 i2c_adap_internal, 1070 &rtl28xxu_rtl2832_e4000_config, sd); 1071 } 1072 break; 1073 case TUNER_RTL2832_FC2580: 1074 fe = dvb_attach(fc2580_attach, adap->fe[0], &d->i2c_adap, 1075 &rtl2832u_fc2580_config); 1076 break; 1077 case TUNER_RTL2832_TUA9001: 1078 /* enable GPIO1 and GPIO4 as output */ 1079 ret = rtl28xx_wr_reg_mask(d, SYS_GPIO_DIR, 0x00, 0x12); 1080 if (ret) 1081 goto err; 1082 1083 ret = rtl28xx_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x12, 0x12); 1084 if (ret) 1085 goto err; 1086 1087 fe = dvb_attach(tua9001_attach, adap->fe[0], &d->i2c_adap, 1088 &rtl2832u_tua9001_config); 1089 break; 1090 case TUNER_RTL2832_R820T: 1091 fe = dvb_attach(r820t_attach, adap->fe[0], &d->i2c_adap, 1092 &rtl2832u_r820t_config); 1093 1094 /* Use tuner to get the signal strength */ 1095 adap->fe[0]->ops.read_signal_strength = 1096 adap->fe[0]->ops.tuner_ops.get_rf_strength; 1097 1098 /* attach SDR */ 1099 dvb_attach_sdr(rtl2832_sdr_attach, adap->fe[0], &d->i2c_adap, 1100 &rtl28xxu_rtl2832_r820t_config, NULL); 1101 break; 1102 case TUNER_RTL2832_R828D: 1103 fe = dvb_attach(r820t_attach, adap->fe[0], 1104 priv->demod_i2c_adapter, 1105 &rtl2832u_r828d_config); 1106 adap->fe[0]->ops.read_signal_strength = 1107 adap->fe[0]->ops.tuner_ops.get_rf_strength; 1108 1109 if (adap->fe[1]) { 1110 fe = dvb_attach(r820t_attach, adap->fe[1], 1111 priv->demod_i2c_adapter, 1112 &rtl2832u_r828d_config); 1113 adap->fe[1]->ops.read_signal_strength = 1114 adap->fe[1]->ops.tuner_ops.get_rf_strength; 1115 } 1116 1117 /* attach SDR */ 1118 dvb_attach_sdr(rtl2832_sdr_attach, adap->fe[0], &d->i2c_adap, 1119 &rtl28xxu_rtl2832_r820t_config, NULL); 1120 break; 1121 default: 1122 dev_err(&d->udev->dev, "%s: unknown tuner=%d\n", KBUILD_MODNAME, 1123 priv->tuner); 1124 } 1125 1126 if (fe == NULL && priv->i2c_client_tuner == NULL) { 1127 ret = -ENODEV; 1128 goto err; 1129 } 1130 1131 return 0; 1132 err: 1133 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); 1134 return ret; 1135 } 1136 1137 static int rtl28xxu_init(struct dvb_usb_device *d) 1138 { 1139 int ret; 1140 u8 val; 1141 1142 dev_dbg(&d->udev->dev, "%s:\n", __func__); 1143 1144 /* init USB endpoints */ 1145 ret = rtl28xx_rd_reg(d, USB_SYSCTL_0, &val); 1146 if (ret) 1147 goto err; 1148 1149 /* enable DMA and Full Packet Mode*/ 1150 val |= 0x09; 1151 ret = rtl28xx_wr_reg(d, USB_SYSCTL_0, val); 1152 if (ret) 1153 goto err; 1154 1155 /* set EPA maximum packet size to 0x0200 */ 1156 ret = rtl28xx_wr_regs(d, USB_EPA_MAXPKT, "\x00\x02\x00\x00", 4); 1157 if (ret) 1158 goto err; 1159 1160 /* change EPA FIFO length */ 1161 ret = rtl28xx_wr_regs(d, USB_EPA_FIFO_CFG, "\x14\x00\x00\x00", 4); 1162 if (ret) 1163 goto err; 1164 1165 return ret; 1166 err: 1167 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); 1168 return ret; 1169 } 1170 1171 static void rtl28xxu_exit(struct dvb_usb_device *d) 1172 { 1173 struct rtl28xxu_priv *priv = d->priv; 1174 struct i2c_client *client; 1175 1176 dev_dbg(&d->udev->dev, "%s:\n", __func__); 1177 1178 /* remove I2C tuner */ 1179 client = priv->i2c_client_tuner; 1180 if (client) { 1181 module_put(client->dev.driver->owner); 1182 i2c_unregister_device(client); 1183 } 1184 1185 /* remove I2C slave demod */ 1186 client = priv->i2c_client_slave_demod; 1187 if (client) { 1188 module_put(client->dev.driver->owner); 1189 i2c_unregister_device(client); 1190 } 1191 1192 return; 1193 } 1194 1195 static int rtl2831u_power_ctrl(struct dvb_usb_device *d, int onoff) 1196 { 1197 int ret; 1198 u8 gpio, sys0, epa_ctl[2]; 1199 1200 dev_dbg(&d->udev->dev, "%s: onoff=%d\n", __func__, onoff); 1201 1202 /* demod adc */ 1203 ret = rtl28xx_rd_reg(d, SYS_SYS0, &sys0); 1204 if (ret) 1205 goto err; 1206 1207 /* tuner power, read GPIOs */ 1208 ret = rtl28xx_rd_reg(d, SYS_GPIO_OUT_VAL, &gpio); 1209 if (ret) 1210 goto err; 1211 1212 dev_dbg(&d->udev->dev, "%s: RD SYS0=%02x GPIO_OUT_VAL=%02x\n", __func__, 1213 sys0, gpio); 1214 1215 if (onoff) { 1216 gpio |= 0x01; /* GPIO0 = 1 */ 1217 gpio &= (~0x10); /* GPIO4 = 0 */ 1218 gpio |= 0x04; /* GPIO2 = 1, LED on */ 1219 sys0 = sys0 & 0x0f; 1220 sys0 |= 0xe0; 1221 epa_ctl[0] = 0x00; /* clear stall */ 1222 epa_ctl[1] = 0x00; /* clear reset */ 1223 } else { 1224 gpio &= (~0x01); /* GPIO0 = 0 */ 1225 gpio |= 0x10; /* GPIO4 = 1 */ 1226 gpio &= (~0x04); /* GPIO2 = 1, LED off */ 1227 sys0 = sys0 & (~0xc0); 1228 epa_ctl[0] = 0x10; /* set stall */ 1229 epa_ctl[1] = 0x02; /* set reset */ 1230 } 1231 1232 dev_dbg(&d->udev->dev, "%s: WR SYS0=%02x GPIO_OUT_VAL=%02x\n", __func__, 1233 sys0, gpio); 1234 1235 /* demod adc */ 1236 ret = rtl28xx_wr_reg(d, SYS_SYS0, sys0); 1237 if (ret) 1238 goto err; 1239 1240 /* tuner power, write GPIOs */ 1241 ret = rtl28xx_wr_reg(d, SYS_GPIO_OUT_VAL, gpio); 1242 if (ret) 1243 goto err; 1244 1245 /* streaming EP: stall & reset */ 1246 ret = rtl28xx_wr_regs(d, USB_EPA_CTL, epa_ctl, 2); 1247 if (ret) 1248 goto err; 1249 1250 if (onoff) 1251 usb_clear_halt(d->udev, usb_rcvbulkpipe(d->udev, 0x81)); 1252 1253 return ret; 1254 err: 1255 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); 1256 return ret; 1257 } 1258 1259 static int rtl2832u_power_ctrl(struct dvb_usb_device *d, int onoff) 1260 { 1261 int ret; 1262 1263 dev_dbg(&d->udev->dev, "%s: onoff=%d\n", __func__, onoff); 1264 1265 if (onoff) { 1266 /* GPIO3=1, GPIO4=0 */ 1267 ret = rtl28xx_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x08, 0x18); 1268 if (ret) 1269 goto err; 1270 1271 /* suspend? */ 1272 ret = rtl28xx_wr_reg_mask(d, SYS_DEMOD_CTL1, 0x00, 0x10); 1273 if (ret) 1274 goto err; 1275 1276 /* enable PLL */ 1277 ret = rtl28xx_wr_reg_mask(d, SYS_DEMOD_CTL, 0x80, 0x80); 1278 if (ret) 1279 goto err; 1280 1281 /* disable reset */ 1282 ret = rtl28xx_wr_reg_mask(d, SYS_DEMOD_CTL, 0x20, 0x20); 1283 if (ret) 1284 goto err; 1285 1286 /* streaming EP: clear stall & reset */ 1287 ret = rtl28xx_wr_regs(d, USB_EPA_CTL, "\x00\x00", 2); 1288 if (ret) 1289 goto err; 1290 1291 ret = usb_clear_halt(d->udev, usb_rcvbulkpipe(d->udev, 0x81)); 1292 if (ret) 1293 goto err; 1294 } else { 1295 /* GPIO4=1 */ 1296 ret = rtl28xx_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x10, 0x10); 1297 if (ret) 1298 goto err; 1299 1300 /* disable PLL */ 1301 ret = rtl28xx_wr_reg_mask(d, SYS_DEMOD_CTL, 0x00, 0x80); 1302 if (ret) 1303 goto err; 1304 1305 /* streaming EP: set stall & reset */ 1306 ret = rtl28xx_wr_regs(d, USB_EPA_CTL, "\x10\x02", 2); 1307 if (ret) 1308 goto err; 1309 } 1310 1311 return ret; 1312 err: 1313 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); 1314 return ret; 1315 } 1316 1317 static int rtl2832u_frontend_ctrl(struct dvb_frontend *fe, int onoff) 1318 { 1319 struct dvb_usb_device *d = fe_to_d(fe); 1320 struct dvb_usb_adapter *adap = fe_to_adap(fe); 1321 int ret; 1322 u8 val; 1323 1324 dev_dbg(&d->udev->dev, "%s: fe=%d onoff=%d\n", __func__, fe->id, onoff); 1325 1326 /* control internal demod ADC */ 1327 if (fe->id == 0 && onoff) 1328 val = 0x48; /* enable ADC */ 1329 else 1330 val = 0x00; /* disable ADC */ 1331 1332 ret = rtl28xx_wr_reg_mask(d, SYS_DEMOD_CTL, val, 0x48); 1333 if (ret) 1334 goto err; 1335 1336 /* bypass slave demod TS through master demod */ 1337 if (fe->id == 1 && onoff) { 1338 ret = rtl2832_enable_external_ts_if(adap->fe[0]); 1339 if (ret) 1340 goto err; 1341 } 1342 1343 return 0; 1344 err: 1345 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); 1346 return ret; 1347 } 1348 1349 #if IS_ENABLED(CONFIG_RC_CORE) 1350 static int rtl2831u_rc_query(struct dvb_usb_device *d) 1351 { 1352 int ret, i; 1353 struct rtl28xxu_priv *priv = d->priv; 1354 u8 buf[5]; 1355 u32 rc_code; 1356 struct rtl28xxu_reg_val rc_nec_tab[] = { 1357 { 0x3033, 0x80 }, 1358 { 0x3020, 0x43 }, 1359 { 0x3021, 0x16 }, 1360 { 0x3022, 0x16 }, 1361 { 0x3023, 0x5a }, 1362 { 0x3024, 0x2d }, 1363 { 0x3025, 0x16 }, 1364 { 0x3026, 0x01 }, 1365 { 0x3028, 0xb0 }, 1366 { 0x3029, 0x04 }, 1367 { 0x302c, 0x88 }, 1368 { 0x302e, 0x13 }, 1369 { 0x3030, 0xdf }, 1370 { 0x3031, 0x05 }, 1371 }; 1372 1373 /* init remote controller */ 1374 if (!priv->rc_active) { 1375 for (i = 0; i < ARRAY_SIZE(rc_nec_tab); i++) { 1376 ret = rtl28xx_wr_reg(d, rc_nec_tab[i].reg, 1377 rc_nec_tab[i].val); 1378 if (ret) 1379 goto err; 1380 } 1381 priv->rc_active = true; 1382 } 1383 1384 ret = rtl2831_rd_regs(d, SYS_IRRC_RP, buf, 5); 1385 if (ret) 1386 goto err; 1387 1388 if (buf[4] & 0x01) { 1389 if (buf[2] == (u8) ~buf[3]) { 1390 if (buf[0] == (u8) ~buf[1]) { 1391 /* NEC standard (16 bit) */ 1392 rc_code = RC_SCANCODE_NEC(buf[0], buf[2]); 1393 } else { 1394 /* NEC extended (24 bit) */ 1395 rc_code = RC_SCANCODE_NECX(buf[0] << 8 | buf[1], 1396 buf[2]); 1397 } 1398 } else { 1399 /* NEC full (32 bit) */ 1400 rc_code = RC_SCANCODE_NEC32(buf[0] << 24 | buf[1] << 16 | 1401 buf[2] << 8 | buf[3]); 1402 } 1403 1404 rc_keydown(d->rc_dev, RC_TYPE_NEC, rc_code, 0); 1405 1406 ret = rtl28xx_wr_reg(d, SYS_IRRC_SR, 1); 1407 if (ret) 1408 goto err; 1409 1410 /* repeated intentionally to avoid extra keypress */ 1411 ret = rtl28xx_wr_reg(d, SYS_IRRC_SR, 1); 1412 if (ret) 1413 goto err; 1414 } 1415 1416 return ret; 1417 err: 1418 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); 1419 return ret; 1420 } 1421 1422 static int rtl2831u_get_rc_config(struct dvb_usb_device *d, 1423 struct dvb_usb_rc *rc) 1424 { 1425 rc->map_name = RC_MAP_EMPTY; 1426 rc->allowed_protos = RC_BIT_NEC; 1427 rc->query = rtl2831u_rc_query; 1428 rc->interval = 400; 1429 1430 return 0; 1431 } 1432 1433 static int rtl2832u_rc_query(struct dvb_usb_device *d) 1434 { 1435 int ret, i, len; 1436 struct rtl28xxu_priv *priv = d->priv; 1437 struct ir_raw_event ev; 1438 u8 buf[128]; 1439 static const struct rtl28xxu_reg_val_mask refresh_tab[] = { 1440 {IR_RX_IF, 0x03, 0xff}, 1441 {IR_RX_BUF_CTRL, 0x80, 0xff}, 1442 {IR_RX_CTRL, 0x80, 0xff}, 1443 }; 1444 1445 /* init remote controller */ 1446 if (!priv->rc_active) { 1447 static const struct rtl28xxu_reg_val_mask init_tab[] = { 1448 {SYS_DEMOD_CTL1, 0x00, 0x04}, 1449 {SYS_DEMOD_CTL1, 0x00, 0x08}, 1450 {USB_CTRL, 0x20, 0x20}, 1451 {SYS_GPIO_DIR, 0x00, 0x08}, 1452 {SYS_GPIO_OUT_EN, 0x08, 0x08}, 1453 {SYS_GPIO_OUT_VAL, 0x08, 0x08}, 1454 {IR_MAX_DURATION0, 0xd0, 0xff}, 1455 {IR_MAX_DURATION1, 0x07, 0xff}, 1456 {IR_IDLE_LEN0, 0xc0, 0xff}, 1457 {IR_IDLE_LEN1, 0x00, 0xff}, 1458 {IR_GLITCH_LEN, 0x03, 0xff}, 1459 {IR_RX_CLK, 0x09, 0xff}, 1460 {IR_RX_CFG, 0x1c, 0xff}, 1461 {IR_MAX_H_TOL_LEN, 0x1e, 0xff}, 1462 {IR_MAX_L_TOL_LEN, 0x1e, 0xff}, 1463 {IR_RX_CTRL, 0x80, 0xff}, 1464 }; 1465 1466 for (i = 0; i < ARRAY_SIZE(init_tab); i++) { 1467 ret = rtl28xx_wr_reg_mask(d, init_tab[i].reg, 1468 init_tab[i].val, init_tab[i].mask); 1469 if (ret) 1470 goto err; 1471 } 1472 1473 priv->rc_active = true; 1474 } 1475 1476 ret = rtl28xx_rd_reg(d, IR_RX_IF, &buf[0]); 1477 if (ret) 1478 goto err; 1479 1480 if (buf[0] != 0x83) 1481 goto exit; 1482 1483 ret = rtl28xx_rd_reg(d, IR_RX_BC, &buf[0]); 1484 if (ret) 1485 goto err; 1486 1487 len = buf[0]; 1488 1489 /* read raw code from hw */ 1490 ret = rtl2831_rd_regs(d, IR_RX_BUF, buf, len); 1491 if (ret) 1492 goto err; 1493 1494 /* let hw receive new code */ 1495 for (i = 0; i < ARRAY_SIZE(refresh_tab); i++) { 1496 ret = rtl28xx_wr_reg_mask(d, refresh_tab[i].reg, 1497 refresh_tab[i].val, refresh_tab[i].mask); 1498 if (ret) 1499 goto err; 1500 } 1501 1502 /* pass data to Kernel IR decoder */ 1503 init_ir_raw_event(&ev); 1504 1505 for (i = 0; i < len; i++) { 1506 ev.pulse = buf[i] >> 7; 1507 ev.duration = 50800 * (buf[i] & 0x7f); 1508 ir_raw_event_store_with_filter(d->rc_dev, &ev); 1509 } 1510 1511 /* 'flush' ir_raw_event_store_with_filter() */ 1512 ir_raw_event_set_idle(d->rc_dev, true); 1513 ir_raw_event_handle(d->rc_dev); 1514 exit: 1515 return ret; 1516 err: 1517 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); 1518 return ret; 1519 } 1520 1521 static int rtl2832u_get_rc_config(struct dvb_usb_device *d, 1522 struct dvb_usb_rc *rc) 1523 { 1524 /* disable IR interrupts in order to avoid SDR sample loss */ 1525 if (rtl28xxu_disable_rc) 1526 return rtl28xx_wr_reg(d, IR_RX_IE, 0x00); 1527 1528 /* load empty to enable rc */ 1529 if (!rc->map_name) 1530 rc->map_name = RC_MAP_EMPTY; 1531 rc->allowed_protos = RC_BIT_ALL; 1532 rc->driver_type = RC_DRIVER_IR_RAW; 1533 rc->query = rtl2832u_rc_query; 1534 rc->interval = 400; 1535 1536 return 0; 1537 } 1538 #else 1539 #define rtl2831u_get_rc_config NULL 1540 #define rtl2832u_get_rc_config NULL 1541 #endif 1542 1543 static const struct dvb_usb_device_properties rtl2831u_props = { 1544 .driver_name = KBUILD_MODNAME, 1545 .owner = THIS_MODULE, 1546 .adapter_nr = adapter_nr, 1547 .size_of_priv = sizeof(struct rtl28xxu_priv), 1548 1549 .power_ctrl = rtl2831u_power_ctrl, 1550 .i2c_algo = &rtl28xxu_i2c_algo, 1551 .read_config = rtl2831u_read_config, 1552 .frontend_attach = rtl2831u_frontend_attach, 1553 .tuner_attach = rtl2831u_tuner_attach, 1554 .init = rtl28xxu_init, 1555 .get_rc_config = rtl2831u_get_rc_config, 1556 1557 .num_adapters = 1, 1558 .adapter = { 1559 { 1560 .stream = DVB_USB_STREAM_BULK(0x81, 6, 8 * 512), 1561 }, 1562 }, 1563 }; 1564 1565 static const struct dvb_usb_device_properties rtl2832u_props = { 1566 .driver_name = KBUILD_MODNAME, 1567 .owner = THIS_MODULE, 1568 .adapter_nr = adapter_nr, 1569 .size_of_priv = sizeof(struct rtl28xxu_priv), 1570 1571 .power_ctrl = rtl2832u_power_ctrl, 1572 .frontend_ctrl = rtl2832u_frontend_ctrl, 1573 .i2c_algo = &rtl28xxu_i2c_algo, 1574 .read_config = rtl2832u_read_config, 1575 .frontend_attach = rtl2832u_frontend_attach, 1576 .tuner_attach = rtl2832u_tuner_attach, 1577 .init = rtl28xxu_init, 1578 .exit = rtl28xxu_exit, 1579 .get_rc_config = rtl2832u_get_rc_config, 1580 1581 .num_adapters = 1, 1582 .adapter = { 1583 { 1584 .stream = DVB_USB_STREAM_BULK(0x81, 6, 8 * 512), 1585 }, 1586 }, 1587 }; 1588 1589 static const struct usb_device_id rtl28xxu_id_table[] = { 1590 /* RTL2831U devices: */ 1591 { DVB_USB_DEVICE(USB_VID_REALTEK, USB_PID_REALTEK_RTL2831U, 1592 &rtl2831u_props, "Realtek RTL2831U reference design", NULL) }, 1593 { DVB_USB_DEVICE(USB_VID_WIDEVIEW, USB_PID_FREECOM_DVBT, 1594 &rtl2831u_props, "Freecom USB2.0 DVB-T", NULL) }, 1595 { DVB_USB_DEVICE(USB_VID_WIDEVIEW, USB_PID_FREECOM_DVBT_2, 1596 &rtl2831u_props, "Freecom USB2.0 DVB-T", NULL) }, 1597 1598 /* RTL2832U devices: */ 1599 { DVB_USB_DEVICE(USB_VID_REALTEK, 0x2832, 1600 &rtl2832u_props, "Realtek RTL2832U reference design", NULL) }, 1601 { DVB_USB_DEVICE(USB_VID_REALTEK, 0x2838, 1602 &rtl2832u_props, "Realtek RTL2832U reference design", NULL) }, 1603 { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_CINERGY_T_STICK_BLACK_REV1, 1604 &rtl2832u_props, "TerraTec Cinergy T Stick Black", RC_MAP_TERRATEC_SLIM) }, 1605 { DVB_USB_DEVICE(USB_VID_GTEK, USB_PID_DELOCK_USB2_DVBT, 1606 &rtl2832u_props, "G-Tek Electronics Group Lifeview LV5TDLX DVB-T", NULL) }, 1607 { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_NOXON_DAB_STICK, 1608 &rtl2832u_props, "TerraTec NOXON DAB Stick", NULL) }, 1609 { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_NOXON_DAB_STICK_REV2, 1610 &rtl2832u_props, "TerraTec NOXON DAB Stick (rev 2)", NULL) }, 1611 { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_NOXON_DAB_STICK_REV3, 1612 &rtl2832u_props, "TerraTec NOXON DAB Stick (rev 3)", NULL) }, 1613 { DVB_USB_DEVICE(USB_VID_GTEK, USB_PID_TREKSTOR_TERRES_2_0, 1614 &rtl2832u_props, "Trekstor DVB-T Stick Terres 2.0", NULL) }, 1615 { DVB_USB_DEVICE(USB_VID_DEXATEK, 0x1101, 1616 &rtl2832u_props, "Dexatek DK DVB-T Dongle", NULL) }, 1617 { DVB_USB_DEVICE(USB_VID_LEADTEK, 0x6680, 1618 &rtl2832u_props, "DigitalNow Quad DVB-T Receiver", NULL) }, 1619 { DVB_USB_DEVICE(USB_VID_LEADTEK, USB_PID_WINFAST_DTV_DONGLE_MINID, 1620 &rtl2832u_props, "Leadtek Winfast DTV Dongle Mini D", NULL) }, 1621 { DVB_USB_DEVICE(USB_VID_TERRATEC, 0x00d3, 1622 &rtl2832u_props, "TerraTec Cinergy T Stick RC (Rev. 3)", NULL) }, 1623 { DVB_USB_DEVICE(USB_VID_DEXATEK, 0x1102, 1624 &rtl2832u_props, "Dexatek DK mini DVB-T Dongle", NULL) }, 1625 { DVB_USB_DEVICE(USB_VID_TERRATEC, 0x00d7, 1626 &rtl2832u_props, "TerraTec Cinergy T Stick+", NULL) }, 1627 { DVB_USB_DEVICE(USB_VID_KWORLD_2, 0xd3a8, 1628 &rtl2832u_props, "ASUS My Cinema-U3100Mini Plus V2", NULL) }, 1629 { DVB_USB_DEVICE(USB_VID_KWORLD_2, 0xd393, 1630 &rtl2832u_props, "GIGABYTE U7300", NULL) }, 1631 { DVB_USB_DEVICE(USB_VID_DEXATEK, 0x1104, 1632 &rtl2832u_props, "MSI DIGIVOX Micro HD", NULL) }, 1633 { DVB_USB_DEVICE(USB_VID_COMPRO, 0x0620, 1634 &rtl2832u_props, "Compro VideoMate U620F", NULL) }, 1635 { DVB_USB_DEVICE(USB_VID_KWORLD_2, 0xd394, 1636 &rtl2832u_props, "MaxMedia HU394-T", NULL) }, 1637 { DVB_USB_DEVICE(USB_VID_LEADTEK, 0x6a03, 1638 &rtl2832u_props, "Leadtek WinFast DTV Dongle mini", NULL) }, 1639 { DVB_USB_DEVICE(USB_VID_GTEK, USB_PID_CPYTO_REDI_PC50A, 1640 &rtl2832u_props, "Crypto ReDi PC 50 A", NULL) }, 1641 { DVB_USB_DEVICE(USB_VID_KYE, 0x707f, 1642 &rtl2832u_props, "Genius TVGo DVB-T03", NULL) }, 1643 { DVB_USB_DEVICE(USB_VID_KWORLD_2, 0xd395, 1644 &rtl2832u_props, "Peak DVB-T USB", NULL) }, 1645 { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_SVEON_STV20_RTL2832U, 1646 &rtl2832u_props, "Sveon STV20", NULL) }, 1647 { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_SVEON_STV21, 1648 &rtl2832u_props, "Sveon STV21", NULL) }, 1649 { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_SVEON_STV27, 1650 &rtl2832u_props, "Sveon STV27", NULL) }, 1651 1652 /* RTL2832P devices: */ 1653 { DVB_USB_DEVICE(USB_VID_HANFTEK, 0x0131, 1654 &rtl2832u_props, "Astrometa DVB-T2", NULL) }, 1655 { } 1656 }; 1657 MODULE_DEVICE_TABLE(usb, rtl28xxu_id_table); 1658 1659 static struct usb_driver rtl28xxu_usb_driver = { 1660 .name = KBUILD_MODNAME, 1661 .id_table = rtl28xxu_id_table, 1662 .probe = dvb_usbv2_probe, 1663 .disconnect = dvb_usbv2_disconnect, 1664 .suspend = dvb_usbv2_suspend, 1665 .resume = dvb_usbv2_resume, 1666 .reset_resume = dvb_usbv2_reset_resume, 1667 .no_dynamic_id = 1, 1668 .soft_unbind = 1, 1669 }; 1670 1671 module_usb_driver(rtl28xxu_usb_driver); 1672 1673 MODULE_DESCRIPTION("Realtek RTL28xxU DVB USB driver"); 1674 MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>"); 1675 MODULE_AUTHOR("Thomas Mair <thomas.mair86@googlemail.com>"); 1676 MODULE_LICENSE("GPL"); 1677