drivers/media/usb/dvb-usb-v2/rtl28xxu.c

   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 static int rtl28xxu_disable_rc;
  26 module_param_named(disable_rc, rtl28xxu_disable_rc, int, 0644);
  27 MODULE_PARM_DESC(disable_rc, "disable RTL2832U remote controller");
  28 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
  29
  30 static 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
  54                 /*
  55                  * Zero-length transfers must use usb_sndctrlpipe() and
  56                  * rtl28xxu_identify_state() uses a zero-length i2c read
  57                  * command to determine the chip type.
  58                  */
  59                 if (req->size)
  60                         pipe = usb_rcvctrlpipe(d->udev, 0);
  61                 else
  62                         pipe = usb_sndctrlpipe(d->udev, 0);
  63         }
  64
  65         ret = usb_control_msg(d->udev, pipe, 0, requesttype, req->value,
  66                         req->index, dev->buf, req->size, 1000);
  67         dvb_usb_dbg_usb_control_msg(d->udev, 0, requesttype, req->value,
  68                         req->index, dev->buf, req->size);
  69         if (ret < 0)
  70                 goto err_mutex_unlock;
  71
  72         /* read request, copy returned data to return buf */
  73         if (requesttype == (USB_TYPE_VENDOR | USB_DIR_IN))
  74                 memcpy(req->data, dev->buf, req->size);
  75
  76         mutex_unlock(&d->usb_mutex);
  77
  78         return 0;
  79 err_mutex_unlock:
  80         mutex_unlock(&d->usb_mutex);
  81         dev_dbg(&d->intf->dev, "failed=%d\n", ret);
  82         return ret;
  83 }
  84
  85 static int rtl28xxu_wr_regs(struct dvb_usb_device *d, u16 reg, u8 *val, int len)
  86 {
  87         struct rtl28xxu_req req;
  88
  89         if (reg < 0x3000)
  90                 req.index = CMD_USB_WR;
  91         else if (reg < 0x4000)
  92                 req.index = CMD_SYS_WR;
  93         else
  94                 req.index = CMD_IR_WR;
  95
  96         req.value = reg;
  97         req.size = len;
  98         req.data = val;
  99
 100         return rtl28xxu_ctrl_msg(d, &req);
 101 }
 102
 103 static int rtl28xxu_rd_regs(struct dvb_usb_device *d, u16 reg, u8 *val, int len)
 104 {
 105         struct rtl28xxu_req req;
 106
 107         if (reg < 0x3000)
 108                 req.index = CMD_USB_RD;
 109         else if (reg < 0x4000)
 110                 req.index = CMD_SYS_RD;
 111         else
 112                 req.index = CMD_IR_RD;
 113
 114         req.value = reg;
 115         req.size = len;
 116         req.data = val;
 117
 118         return rtl28xxu_ctrl_msg(d, &req);
 119 }
 120
 121 static int rtl28xxu_wr_reg(struct dvb_usb_device *d, u16 reg, u8 val)
 122 {
 123         return rtl28xxu_wr_regs(d, reg, &val, 1);
 124 }
 125
 126 static int rtl28xxu_rd_reg(struct dvb_usb_device *d, u16 reg, u8 *val)
 127 {
 128         return rtl28xxu_rd_regs(d, reg, val, 1);
 129 }
 130
 131 static int rtl28xxu_wr_reg_mask(struct dvb_usb_device *d, u16 reg, u8 val,
 132                 u8 mask)
 133 {
 134         int ret;
 135         u8 tmp;
 136
 137         /* no need for read if whole reg is written */
 138         if (mask != 0xff) {
 139                 ret = rtl28xxu_rd_reg(d, reg, &tmp);
 140                 if (ret)
 141                         return ret;
 142
 143                 val &= mask;
 144                 tmp &= ~mask;
 145                 val |= tmp;
 146         }
 147
 148         return rtl28xxu_wr_reg(d, reg, val);
 149 }
 150
 151 /* I2C */
 152 static int rtl28xxu_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[],
 153         int num)
 154 {
 155         int ret;
 156         struct dvb_usb_device *d = i2c_get_adapdata(adap);
 157         struct rtl28xxu_dev *dev = d->priv;
 158         struct rtl28xxu_req req;
 159
 160         /*
 161          * It is not known which are real I2C bus xfer limits, but testing
 162          * with RTL2831U + MT2060 gives max RD 24 and max WR 22 bytes.
 163          * TODO: find out RTL2832U lens
 164          */
 165
 166         /*
 167          * I2C adapter logic looks rather complicated due to fact it handles
 168          * three different access methods. Those methods are;
 169          * 1) integrated demod access
 170          * 2) old I2C access
 171          * 3) new I2C access
 172          *
 173          * Used method is selected in order 1, 2, 3. Method 3 can handle all
 174          * requests but there is two reasons why not use it always;
 175          * 1) It is most expensive, usually two USB messages are needed
 176          * 2) At least RTL2831U does not support it
 177          *
 178          * Method 3 is needed in case of I2C write+read (typical register read)
 179          * where write is more than one byte.
 180          */
 181
 182         if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
 183                 return -EAGAIN;
 184
 185         if (num == 2 && !(msg[0].flags & I2C_M_RD) &&
 186                 (msg[1].flags & I2C_M_RD)) {
 187                 if (msg[0].len > 24 || msg[1].len > 24) {
 188                         /* TODO: check msg[0].len max */
 189                         ret = -EOPNOTSUPP;
 190                         goto err_mutex_unlock;
 191                 } else if (msg[0].addr == 0x10) {
 192                         /* method 1 - integrated demod */
 193                         if (msg[0].buf[0] == 0x00) {
 194                                 /* return demod page from driver cache */
 195                                 msg[1].buf[0] = dev->page;
 196                                 ret = 0;
 197                         } else {
 198                                 req.value = (msg[0].buf[0] << 8) | (msg[0].addr << 1);
 199                                 req.index = CMD_DEMOD_RD | dev->page;
 200                                 req.size = msg[1].len;
 201                                 req.data = &msg[1].buf[0];
 202                                 ret = rtl28xxu_ctrl_msg(d, &req);
 203                         }
 204                 } else if (msg[0].len < 2) {
 205                         /* method 2 - old I2C */
 206                         req.value = (msg[0].buf[0] << 8) | (msg[0].addr << 1);
 207                         req.index = CMD_I2C_RD;
 208                         req.size = msg[1].len;
 209                         req.data = &msg[1].buf[0];
 210                         ret = rtl28xxu_ctrl_msg(d, &req);
 211                 } else {
 212                         /* method 3 - new I2C */
 213                         req.value = (msg[0].addr << 1);
 214                         req.index = CMD_I2C_DA_WR;
 215                         req.size = msg[0].len;
 216                         req.data = msg[0].buf;
 217                         ret = rtl28xxu_ctrl_msg(d, &req);
 218                         if (ret)
 219                                 goto err_mutex_unlock;
 220
 221                         req.value = (msg[0].addr << 1);
 222                         req.index = CMD_I2C_DA_RD;
 223                         req.size = msg[1].len;
 224                         req.data = msg[1].buf;
 225                         ret = rtl28xxu_ctrl_msg(d, &req);
 226                 }
 227         } else if (num == 1 && !(msg[0].flags & I2C_M_RD)) {
 228                 if (msg[0].len > 22) {
 229                         /* TODO: check msg[0].len max */
 230                         ret = -EOPNOTSUPP;
 231                         goto err_mutex_unlock;
 232                 } else if (msg[0].addr == 0x10) {
 233                         /* method 1 - integrated demod */
 234                         if (msg[0].buf[0] == 0x00) {
 235                                 /* save demod page for later demod access */
 236                                 dev->page = msg[0].buf[1];
 237                                 ret = 0;
 238                         } else {
 239                                 req.value = (msg[0].buf[0] << 8) |
 240                                         (msg[0].addr << 1);
 241                                 req.index = CMD_DEMOD_WR | dev->page;
 242                                 req.size = msg[0].len-1;
 243                                 req.data = &msg[0].buf[1];
 244                                 ret = rtl28xxu_ctrl_msg(d, &req);
 245                         }
 246                 } else if ((msg[0].len < 23) && (!dev->new_i2c_write)) {
 247                         /* method 2 - old I2C */
 248                         req.value = (msg[0].buf[0] << 8) | (msg[0].addr << 1);
 249                         req.index = CMD_I2C_WR;
 250                         req.size = msg[0].len-1;
 251                         req.data = &msg[0].buf[1];
 252                         ret = rtl28xxu_ctrl_msg(d, &req);
 253                 } else {
 254                         /* method 3 - new I2C */
 255                         req.value = (msg[0].addr << 1);
 256                         req.index = CMD_I2C_DA_WR;
 257                         req.size = msg[0].len;
 258                         req.data = msg[0].buf;
 259                         ret = rtl28xxu_ctrl_msg(d, &req);
 260                 }
 261         } else if (num == 1 && (msg[0].flags & I2C_M_RD)) {
 262                 req.value = (msg[0].addr << 1);
 263                 req.index = CMD_I2C_DA_RD;
 264                 req.size = msg[0].len;
 265                 req.data = msg[0].buf;
 266                 ret = rtl28xxu_ctrl_msg(d, &req);
 267         } else {
 268                 ret = -EOPNOTSUPP;
 269         }
 270
 271         /* Retry failed I2C messages */
 272         if (ret == -EPIPE)
 273                 ret = -EAGAIN;
 274
 275 err_mutex_unlock:
 276         mutex_unlock(&d->i2c_mutex);
 277
 278         return ret ? ret : num;
 279 }
 280
 281 static u32 rtl28xxu_i2c_func(struct i2c_adapter *adapter)
 282 {
 283         return I2C_FUNC_I2C;
 284 }
 285
 286 static struct i2c_algorithm rtl28xxu_i2c_algo = {
 287         .master_xfer   = rtl28xxu_i2c_xfer,
 288         .functionality = rtl28xxu_i2c_func,
 289 };
 290
 291 static int rtl2831u_read_config(struct dvb_usb_device *d)
 292 {
 293         struct rtl28xxu_dev *dev = d_to_priv(d);
 294         int ret;
 295         u8 buf[1];
 296         /* open RTL2831U/RTL2830 I2C gate */
 297         struct rtl28xxu_req req_gate_open = {0x0120, 0x0011, 0x0001, "\x08"};
 298         /* tuner probes */
 299         struct rtl28xxu_req req_mt2060 = {0x00c0, CMD_I2C_RD, 1, buf};
 300         struct rtl28xxu_req req_qt1010 = {0x0fc4, CMD_I2C_RD, 1, buf};
 301
 302         dev_dbg(&d->intf->dev, "\n");
 303
 304         /*
 305          * RTL2831U GPIOs
 306          * =========================================================
 307          * GPIO0 | tuner#0 | 0 off | 1 on  | MXL5005S (?)
 308          * GPIO2 | LED     | 0 off | 1 on  |
 309          * GPIO4 | tuner#1 | 0 on  | 1 off | MT2060
 310          */
 311
 312         /* GPIO direction */
 313         ret = rtl28xxu_wr_reg(d, SYS_GPIO_DIR, 0x0a);
 314         if (ret)
 315                 goto err;
 316
 317         /* enable as output GPIO0, GPIO2, GPIO4 */
 318         ret = rtl28xxu_wr_reg(d, SYS_GPIO_OUT_EN, 0x15);
 319         if (ret)
 320                 goto err;
 321
 322         /*
 323          * Probe used tuner. We need to know used tuner before demod attach
 324          * since there is some demod params needed to set according to tuner.
 325          */
 326
 327         /* demod needs some time to wake up */
 328         msleep(20);
 329
 330         dev->tuner_name = "NONE";
 331
 332         /* open demod I2C gate */
 333         ret = rtl28xxu_ctrl_msg(d, &req_gate_open);
 334         if (ret)
 335                 goto err;
 336
 337         /* check QT1010 ID(?) register; reg=0f val=2c */
 338         ret = rtl28xxu_ctrl_msg(d, &req_qt1010);
 339         if (ret == 0 && buf[0] == 0x2c) {
 340                 dev->tuner = TUNER_RTL2830_QT1010;
 341                 dev->tuner_name = "QT1010";
 342                 goto found;
 343         }
 344
 345         /* open demod I2C gate */
 346         ret = rtl28xxu_ctrl_msg(d, &req_gate_open);
 347         if (ret)
 348                 goto err;
 349
 350         /* check MT2060 ID register; reg=00 val=63 */
 351         ret = rtl28xxu_ctrl_msg(d, &req_mt2060);
 352         if (ret == 0 && buf[0] == 0x63) {
 353                 dev->tuner = TUNER_RTL2830_MT2060;
 354                 dev->tuner_name = "MT2060";
 355                 goto found;
 356         }
 357
 358         /* assume MXL5005S */
 359         dev->tuner = TUNER_RTL2830_MXL5005S;
 360         dev->tuner_name = "MXL5005S";
 361         goto found;
 362
 363 found:
 364         dev_dbg(&d->intf->dev, "tuner=%s\n", dev->tuner_name);
 365
 366         return 0;
 367 err:
 368         dev_dbg(&d->intf->dev, "failed=%d\n", ret);
 369         return ret;
 370 }
 371
 372 static int rtl2832u_read_config(struct dvb_usb_device *d)
 373 {
 374         struct rtl28xxu_dev *dev = d_to_priv(d);
 375         int ret;
 376         u8 buf[2];
 377         /* open RTL2832U/RTL2832 I2C gate */
 378         struct rtl28xxu_req req_gate_open = {0x0120, 0x0011, 0x0001, "\x18"};
 379         /* close RTL2832U/RTL2832 I2C gate */
 380         struct rtl28xxu_req req_gate_close = {0x0120, 0x0011, 0x0001, "\x10"};
 381         /* tuner probes */
 382         struct rtl28xxu_req req_fc0012 = {0x00c6, CMD_I2C_RD, 1, buf};
 383         struct rtl28xxu_req req_fc0013 = {0x00c6, CMD_I2C_RD, 1, buf};
 384         struct rtl28xxu_req req_mt2266 = {0x00c0, CMD_I2C_RD, 1, buf};
 385         struct rtl28xxu_req req_fc2580 = {0x01ac, CMD_I2C_RD, 1, buf};
 386         struct rtl28xxu_req req_mt2063 = {0x00c0, CMD_I2C_RD, 1, buf};
 387         struct rtl28xxu_req req_max3543 = {0x00c0, CMD_I2C_RD, 1, buf};
 388         struct rtl28xxu_req req_tua9001 = {0x7ec0, CMD_I2C_RD, 2, buf};
 389         struct rtl28xxu_req req_mxl5007t = {0xd9c0, CMD_I2C_RD, 1, buf};
 390         struct rtl28xxu_req req_e4000 = {0x02c8, CMD_I2C_RD, 1, buf};
 391         struct rtl28xxu_req req_tda18272 = {0x00c0, CMD_I2C_RD, 2, buf};
 392         struct rtl28xxu_req req_r820t = {0x0034, CMD_I2C_RD, 1, buf};
 393         struct rtl28xxu_req req_r828d = {0x0074, CMD_I2C_RD, 1, buf};
 394         struct rtl28xxu_req req_mn88472 = {0xff38, CMD_I2C_RD, 1, buf};
 395         struct rtl28xxu_req req_mn88473 = {0xff38, CMD_I2C_RD, 1, buf};
 396         struct rtl28xxu_req req_si2157 = {0x00c0, CMD_I2C_RD, 1, buf};
 397         struct rtl28xxu_req req_si2168 = {0x00c8, CMD_I2C_RD, 1, buf};
 398
 399         dev_dbg(&d->intf->dev, "\n");
 400
 401         /* enable GPIO3 and GPIO6 as output */
 402         ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_DIR, 0x00, 0x40);
 403         if (ret)
 404                 goto err;
 405
 406         ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x48, 0x48);
 407         if (ret)
 408                 goto err;
 409
 410         /*
 411          * Probe used tuner. We need to know used tuner before demod attach
 412          * since there is some demod params needed to set according to tuner.
 413          */
 414
 415         /* open demod I2C gate */
 416         ret = rtl28xxu_ctrl_msg(d, &req_gate_open);
 417         if (ret)
 418                 goto err;
 419
 420         dev->tuner_name = "NONE";
 421
 422         /* check FC0012 ID register; reg=00 val=a1 */
 423         ret = rtl28xxu_ctrl_msg(d, &req_fc0012);
 424         if (ret == 0 && buf[0] == 0xa1) {
 425                 dev->tuner = TUNER_RTL2832_FC0012;
 426                 dev->tuner_name = "FC0012";
 427                 goto tuner_found;
 428         }
 429
 430         /* check FC0013 ID register; reg=00 val=a3 */
 431         ret = rtl28xxu_ctrl_msg(d, &req_fc0013);
 432         if (ret == 0 && buf[0] == 0xa3) {
 433                 dev->tuner = TUNER_RTL2832_FC0013;
 434                 dev->tuner_name = "FC0013";
 435                 goto tuner_found;
 436         }
 437
 438         /* check MT2266 ID register; reg=00 val=85 */
 439         ret = rtl28xxu_ctrl_msg(d, &req_mt2266);
 440         if (ret == 0 && buf[0] == 0x85) {
 441                 dev->tuner = TUNER_RTL2832_MT2266;
 442                 dev->tuner_name = "MT2266";
 443                 goto tuner_found;
 444         }
 445
 446         /* check FC2580 ID register; reg=01 val=56 */
 447         ret = rtl28xxu_ctrl_msg(d, &req_fc2580);
 448         if (ret == 0 && buf[0] == 0x56) {
 449                 dev->tuner = TUNER_RTL2832_FC2580;
 450                 dev->tuner_name = "FC2580";
 451                 goto tuner_found;
 452         }
 453
 454         /* check MT2063 ID register; reg=00 val=9e || 9c */
 455         ret = rtl28xxu_ctrl_msg(d, &req_mt2063);
 456         if (ret == 0 && (buf[0] == 0x9e || buf[0] == 0x9c)) {
 457                 dev->tuner = TUNER_RTL2832_MT2063;
 458                 dev->tuner_name = "MT2063";
 459                 goto tuner_found;
 460         }
 461
 462         /* check MAX3543 ID register; reg=00 val=38 */
 463         ret = rtl28xxu_ctrl_msg(d, &req_max3543);
 464         if (ret == 0 && buf[0] == 0x38) {
 465                 dev->tuner = TUNER_RTL2832_MAX3543;
 466                 dev->tuner_name = "MAX3543";
 467                 goto tuner_found;
 468         }
 469
 470         /* check TUA9001 ID register; reg=7e val=2328 */
 471         ret = rtl28xxu_ctrl_msg(d, &req_tua9001);
 472         if (ret == 0 && buf[0] == 0x23 && buf[1] == 0x28) {
 473                 dev->tuner = TUNER_RTL2832_TUA9001;
 474                 dev->tuner_name = "TUA9001";
 475                 goto tuner_found;
 476         }
 477
 478         /* check MXL5007R ID register; reg=d9 val=14 */
 479         ret = rtl28xxu_ctrl_msg(d, &req_mxl5007t);
 480         if (ret == 0 && buf[0] == 0x14) {
 481                 dev->tuner = TUNER_RTL2832_MXL5007T;
 482                 dev->tuner_name = "MXL5007T";
 483                 goto tuner_found;
 484         }
 485
 486         /* check E4000 ID register; reg=02 val=40 */
 487         ret = rtl28xxu_ctrl_msg(d, &req_e4000);
 488         if (ret == 0 && buf[0] == 0x40) {
 489                 dev->tuner = TUNER_RTL2832_E4000;
 490                 dev->tuner_name = "E4000";
 491                 goto tuner_found;
 492         }
 493
 494         /* check TDA18272 ID register; reg=00 val=c760  */
 495         ret = rtl28xxu_ctrl_msg(d, &req_tda18272);
 496         if (ret == 0 && (buf[0] == 0xc7 || buf[1] == 0x60)) {
 497                 dev->tuner = TUNER_RTL2832_TDA18272;
 498                 dev->tuner_name = "TDA18272";
 499                 goto tuner_found;
 500         }
 501
 502         /* check R820T ID register; reg=00 val=69 */
 503         ret = rtl28xxu_ctrl_msg(d, &req_r820t);
 504         if (ret == 0 && buf[0] == 0x69) {
 505                 dev->tuner = TUNER_RTL2832_R820T;
 506                 dev->tuner_name = "R820T";
 507                 goto tuner_found;
 508         }
 509
 510         /* check R828D ID register; reg=00 val=69 */
 511         ret = rtl28xxu_ctrl_msg(d, &req_r828d);
 512         if (ret == 0 && buf[0] == 0x69) {
 513                 dev->tuner = TUNER_RTL2832_R828D;
 514                 dev->tuner_name = "R828D";
 515                 goto tuner_found;
 516         }
 517
 518         /* GPIO0 and GPIO5 to reset Si2157/Si2168 tuner and demod */
 519         ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x00, 0x21);
 520         if (ret)
 521                 goto err;
 522
 523         ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x00, 0x21);
 524         if (ret)
 525                 goto err;
 526
 527         msleep(50);
 528
 529         ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x21, 0x21);
 530         if (ret)
 531                 goto err;
 532
 533         ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x21, 0x21);
 534         if (ret)
 535                 goto err;
 536
 537         msleep(50);
 538
 539         /* check Si2157 ID register; reg=c0 val=80 */
 540         ret = rtl28xxu_ctrl_msg(d, &req_si2157);
 541         if (ret == 0 && ((buf[0] & 0x80) == 0x80)) {
 542                 dev->tuner = TUNER_RTL2832_SI2157;
 543                 dev->tuner_name = "SI2157";
 544                 goto tuner_found;
 545         }
 546
 547 tuner_found:
 548         dev_dbg(&d->intf->dev, "tuner=%s\n", dev->tuner_name);
 549
 550         /* probe slave demod */
 551         if (dev->tuner == TUNER_RTL2832_R828D) {
 552                 /* power on MN88472 demod on GPIO0 */
 553                 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x01, 0x01);
 554                 if (ret)
 555                         goto err;
 556
 557                 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_DIR, 0x00, 0x01);
 558                 if (ret)
 559                         goto err;
 560
 561                 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x01, 0x01);
 562                 if (ret)
 563                         goto err;
 564
 565                 /* check MN88472 answers */
 566                 ret = rtl28xxu_ctrl_msg(d, &req_mn88472);
 567                 if (ret == 0 && buf[0] == 0x02) {
 568                         dev_dbg(&d->intf->dev, "MN88472 found\n");
 569                         dev->slave_demod = SLAVE_DEMOD_MN88472;
 570                         goto demod_found;
 571                 }
 572
 573                 ret = rtl28xxu_ctrl_msg(d, &req_mn88473);
 574                 if (ret == 0 && buf[0] == 0x03) {
 575                         dev_dbg(&d->intf->dev, "MN88473 found\n");
 576                         dev->slave_demod = SLAVE_DEMOD_MN88473;
 577                         goto demod_found;
 578                 }
 579         }
 580         if (dev->tuner == TUNER_RTL2832_SI2157) {
 581                 /* check Si2168 ID register; reg=c8 val=80 */
 582                 ret = rtl28xxu_ctrl_msg(d, &req_si2168);
 583                 if (ret == 0 && ((buf[0] & 0x80) == 0x80)) {
 584                         dev_dbg(&d->intf->dev, "Si2168 found\n");
 585                         dev->slave_demod = SLAVE_DEMOD_SI2168;
 586                         goto demod_found;
 587                 }
 588         }
 589
 590 demod_found:
 591         /* close demod I2C gate */
 592         ret = rtl28xxu_ctrl_msg(d, &req_gate_close);
 593         if (ret < 0)
 594                 goto err;
 595
 596         return 0;
 597 err:
 598         dev_dbg(&d->intf->dev, "failed=%d\n", ret);
 599         return ret;
 600 }
 601
 602 static int rtl28xxu_read_config(struct dvb_usb_device *d)
 603 {
 604         struct rtl28xxu_dev *dev = d_to_priv(d);
 605
 606         if (dev->chip_id == CHIP_ID_RTL2831U)
 607                 return rtl2831u_read_config(d);
 608         else
 609                 return rtl2832u_read_config(d);
 610 }
 611
 612 static int rtl28xxu_identify_state(struct dvb_usb_device *d, const char **name)
 613 {
 614         struct rtl28xxu_dev *dev = d_to_priv(d);
 615         int ret;
 616         struct rtl28xxu_req req_demod_i2c = {0x0020, CMD_I2C_DA_RD, 0, NULL};
 617
 618         dev_dbg(&d->intf->dev, "\n");
 619
 620         /*
 621          * Detect chip type using I2C command that is not supported
 622          * by old RTL2831U.
 623          */
 624         ret = rtl28xxu_ctrl_msg(d, &req_demod_i2c);
 625         if (ret == -EPIPE) {
 626                 dev->chip_id = CHIP_ID_RTL2831U;
 627         } else if (ret == 0) {
 628                 dev->chip_id = CHIP_ID_RTL2832U;
 629         } else {
 630                 dev_err(&d->intf->dev, "chip type detection failed %d\n", ret);
 631                 goto err;
 632         }
 633         dev_dbg(&d->intf->dev, "chip_id=%u\n", dev->chip_id);
 634
 635         /* Retry failed I2C messages */
 636         d->i2c_adap.retries = 3;
 637         d->i2c_adap.timeout = msecs_to_jiffies(10);
 638
 639         return WARM;
 640 err:
 641         dev_dbg(&d->intf->dev, "failed=%d\n", ret);
 642         return ret;
 643 }
 644
 645 static const struct rtl2830_platform_data rtl2830_mt2060_platform_data = {
 646         .clk = 28800000,
 647         .spec_inv = 1,
 648         .vtop = 0x20,
 649         .krf = 0x04,
 650         .agc_targ_val = 0x2d,
 651
 652 };
 653
 654 static const struct rtl2830_platform_data rtl2830_qt1010_platform_data = {
 655         .clk = 28800000,
 656         .spec_inv = 1,
 657         .vtop = 0x20,
 658         .krf = 0x04,
 659         .agc_targ_val = 0x2d,
 660 };
 661
 662 static const struct rtl2830_platform_data rtl2830_mxl5005s_platform_data = {
 663         .clk = 28800000,
 664         .spec_inv = 0,
 665         .vtop = 0x3f,
 666         .krf = 0x04,
 667         .agc_targ_val = 0x3e,
 668 };
 669
 670 static int rtl2831u_frontend_attach(struct dvb_usb_adapter *adap)
 671 {
 672         struct dvb_usb_device *d = adap_to_d(adap);
 673         struct rtl28xxu_dev *dev = d_to_priv(d);
 674         struct rtl2830_platform_data *pdata = &dev->rtl2830_platform_data;
 675         struct i2c_board_info board_info;
 676         struct i2c_client *client;
 677         int ret;
 678
 679         dev_dbg(&d->intf->dev, "\n");
 680
 681         switch (dev->tuner) {
 682         case TUNER_RTL2830_QT1010:
 683                 *pdata = rtl2830_qt1010_platform_data;
 684                 break;
 685         case TUNER_RTL2830_MT2060:
 686                 *pdata = rtl2830_mt2060_platform_data;
 687                 break;
 688         case TUNER_RTL2830_MXL5005S:
 689                 *pdata = rtl2830_mxl5005s_platform_data;
 690                 break;
 691         default:
 692                 dev_err(&d->intf->dev, "unknown tuner %s\n", dev->tuner_name);
 693                 ret = -ENODEV;
 694                 goto err;
 695         }
 696
 697         /* attach demodulator */
 698         memset(&board_info, 0, sizeof(board_info));
 699         strlcpy(board_info.type, "rtl2830", I2C_NAME_SIZE);
 700         board_info.addr = 0x10;
 701         board_info.platform_data = pdata;
 702         request_module("%s", board_info.type);
 703         client = i2c_new_device(&d->i2c_adap, &board_info);
 704         if (client == NULL || client->dev.driver == NULL) {
 705                 ret = -ENODEV;
 706                 goto err;
 707         }
 708
 709         if (!try_module_get(client->dev.driver->owner)) {
 710                 i2c_unregister_device(client);
 711                 ret = -ENODEV;
 712                 goto err;
 713         }
 714
 715         adap->fe[0] = pdata->get_dvb_frontend(client);
 716         dev->demod_i2c_adapter = pdata->get_i2c_adapter(client);
 717
 718         dev->i2c_client_demod = client;
 719
 720         return 0;
 721 err:
 722         dev_dbg(&d->intf->dev, "failed=%d\n", ret);
 723         return ret;
 724 }
 725
 726 static const struct rtl2832_platform_data rtl2832_fc2580_platform_data = {
 727         .clk = 28800000,
 728         .tuner = TUNER_RTL2832_FC2580,
 729 };
 730
 731 static const struct rtl2832_platform_data rtl2832_fc0012_platform_data = {
 732         .clk = 28800000,
 733         .tuner = TUNER_RTL2832_FC0012
 734 };
 735
 736 static const struct rtl2832_platform_data rtl2832_fc0013_platform_data = {
 737         .clk = 28800000,
 738         .tuner = TUNER_RTL2832_FC0013
 739 };
 740
 741 static const struct rtl2832_platform_data rtl2832_tua9001_platform_data = {
 742         .clk = 28800000,
 743         .tuner = TUNER_RTL2832_TUA9001,
 744 };
 745
 746 static const struct rtl2832_platform_data rtl2832_e4000_platform_data = {
 747         .clk = 28800000,
 748         .tuner = TUNER_RTL2832_E4000,
 749 };
 750
 751 static const struct rtl2832_platform_data rtl2832_r820t_platform_data = {
 752         .clk = 28800000,
 753         .tuner = TUNER_RTL2832_R820T,
 754 };
 755
 756 static const struct rtl2832_platform_data rtl2832_si2157_platform_data = {
 757         .clk = 28800000,
 758         .tuner = TUNER_RTL2832_SI2157,
 759 };
 760
 761 static int rtl2832u_fc0012_tuner_callback(struct dvb_usb_device *d,
 762                 int cmd, int arg)
 763 {
 764         int ret;
 765         u8 val;
 766
 767         dev_dbg(&d->intf->dev, "cmd=%d arg=%d\n", cmd, arg);
 768
 769         switch (cmd) {
 770         case FC_FE_CALLBACK_VHF_ENABLE:
 771                 /* set output values */
 772                 ret = rtl28xxu_rd_reg(d, SYS_GPIO_OUT_VAL, &val);
 773                 if (ret)
 774                         goto err;
 775
 776                 if (arg)
 777                         val &= 0xbf; /* set GPIO6 low */
 778                 else
 779                         val |= 0x40; /* set GPIO6 high */
 780
 781
 782                 ret = rtl28xxu_wr_reg(d, SYS_GPIO_OUT_VAL, val);
 783                 if (ret)
 784                         goto err;
 785                 break;
 786         default:
 787                 ret = -EINVAL;
 788                 goto err;
 789         }
 790         return 0;
 791 err:
 792         dev_dbg(&d->intf->dev, "failed=%d\n", ret);
 793         return ret;
 794 }
 795
 796 static int rtl2832u_tua9001_tuner_callback(struct dvb_usb_device *d,
 797                 int cmd, int arg)
 798 {
 799         int ret;
 800         u8 val;
 801
 802         dev_dbg(&d->intf->dev, "cmd=%d arg=%d\n", cmd, arg);
 803
 804         /*
 805          * CEN     always enabled by hardware wiring
 806          * RESETN  GPIO4
 807          * RXEN    GPIO1
 808          */
 809
 810         switch (cmd) {
 811         case TUA9001_CMD_RESETN:
 812                 if (arg)
 813                         val = (1 << 4);
 814                 else
 815                         val = (0 << 4);
 816
 817                 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, val, 0x10);
 818                 if (ret)
 819                         goto err;
 820                 break;
 821         case TUA9001_CMD_RXEN:
 822                 if (arg)
 823                         val = (1 << 1);
 824                 else
 825                         val = (0 << 1);
 826
 827                 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, val, 0x02);
 828                 if (ret)
 829                         goto err;
 830                 break;
 831         }
 832
 833         return 0;
 834 err:
 835         dev_dbg(&d->intf->dev, "failed=%d\n", ret);
 836         return ret;
 837 }
 838
 839 static int rtl2832u_frontend_callback(void *adapter_priv, int component,
 840                 int cmd, int arg)
 841 {
 842         struct i2c_adapter *adapter = adapter_priv;
 843         struct device *parent = adapter->dev.parent;
 844         struct i2c_adapter *parent_adapter;
 845         struct dvb_usb_device *d;
 846         struct rtl28xxu_dev *dev;
 847
 848         /*
 849          * All tuners are connected to demod muxed I2C adapter. We have to
 850          * resolve its parent adapter in order to get handle for this driver
 851          * private data. That is a bit hackish solution, GPIO or direct driver
 852          * callback would be better...
 853          */
 854         if (parent != NULL && parent->type == &i2c_adapter_type)
 855                 parent_adapter = to_i2c_adapter(parent);
 856         else
 857                 return -EINVAL;
 858
 859         d = i2c_get_adapdata(parent_adapter);
 860         dev = d->priv;
 861
 862         dev_dbg(&d->intf->dev, "component=%d cmd=%d arg=%d\n",
 863                 component, cmd, arg);
 864
 865         switch (component) {
 866         case DVB_FRONTEND_COMPONENT_TUNER:
 867                 switch (dev->tuner) {
 868                 case TUNER_RTL2832_FC0012:
 869                         return rtl2832u_fc0012_tuner_callback(d, cmd, arg);
 870                 case TUNER_RTL2832_TUA9001:
 871                         return rtl2832u_tua9001_tuner_callback(d, cmd, arg);
 872                 }
 873         }
 874
 875         return 0;
 876 }
 877
 878 static int rtl2832u_frontend_attach(struct dvb_usb_adapter *adap)
 879 {
 880         struct dvb_usb_device *d = adap_to_d(adap);
 881         struct rtl28xxu_dev *dev = d_to_priv(d);
 882         struct rtl2832_platform_data *pdata = &dev->rtl2832_platform_data;
 883         struct i2c_board_info board_info;
 884         struct i2c_client *client;
 885         int ret;
 886
 887         dev_dbg(&d->intf->dev, "\n");
 888
 889         switch (dev->tuner) {
 890         case TUNER_RTL2832_FC0012:
 891                 *pdata = rtl2832_fc0012_platform_data;
 892                 break;
 893         case TUNER_RTL2832_FC0013:
 894                 *pdata = rtl2832_fc0013_platform_data;
 895                 break;
 896         case TUNER_RTL2832_FC2580:
 897                 *pdata = rtl2832_fc2580_platform_data;
 898                 break;
 899         case TUNER_RTL2832_TUA9001:
 900                 *pdata = rtl2832_tua9001_platform_data;
 901                 break;
 902         case TUNER_RTL2832_E4000:
 903                 *pdata = rtl2832_e4000_platform_data;
 904                 break;
 905         case TUNER_RTL2832_R820T:
 906         case TUNER_RTL2832_R828D:
 907                 *pdata = rtl2832_r820t_platform_data;
 908                 break;
 909         case TUNER_RTL2832_SI2157:
 910                 *pdata = rtl2832_si2157_platform_data;
 911                 break;
 912         default:
 913                 dev_err(&d->intf->dev, "unknown tuner %s\n", dev->tuner_name);
 914                 ret = -ENODEV;
 915                 goto err;
 916         }
 917
 918         /* attach demodulator */
 919         memset(&board_info, 0, sizeof(board_info));
 920         strlcpy(board_info.type, "rtl2832", I2C_NAME_SIZE);
 921         board_info.addr = 0x10;
 922         board_info.platform_data = pdata;
 923         request_module("%s", board_info.type);
 924         client = i2c_new_device(&d->i2c_adap, &board_info);
 925         if (client == NULL || client->dev.driver == NULL) {
 926                 ret = -ENODEV;
 927                 goto err;
 928         }
 929
 930         if (!try_module_get(client->dev.driver->owner)) {
 931                 i2c_unregister_device(client);
 932                 ret = -ENODEV;
 933                 goto err;
 934         }
 935
 936         adap->fe[0] = pdata->get_dvb_frontend(client);
 937         dev->demod_i2c_adapter = pdata->get_i2c_adapter(client);
 938
 939         dev->i2c_client_demod = client;
 940
 941         /* set fe callback */
 942         adap->fe[0]->callback = rtl2832u_frontend_callback;
 943
 944         if (dev->slave_demod) {
 945                 struct i2c_board_info info = {};
 946
 947                 /*
 948                  * We continue on reduced mode, without DVB-T2/C, using master
 949                  * demod, when slave demod fails.
 950                  */
 951                 ret = 0;
 952
 953                 /* attach slave demodulator */
 954                 if (dev->slave_demod == SLAVE_DEMOD_MN88472) {
 955                         struct mn88472_config mn88472_config = {};
 956
 957                         mn88472_config.fe = &adap->fe[1];
 958                         mn88472_config.i2c_wr_max = 22,
 959                         strlcpy(info.type, "mn88472", I2C_NAME_SIZE);
 960                         mn88472_config.xtal = 20500000;
 961                         mn88472_config.ts_mode = SERIAL_TS_MODE;
 962                         mn88472_config.ts_clock = VARIABLE_TS_CLOCK;
 963                         info.addr = 0x18;
 964                         info.platform_data = &mn88472_config;
 965                         request_module(info.type);
 966                         client = i2c_new_device(&d->i2c_adap, &info);
 967                         if (client == NULL || client->dev.driver == NULL) {
 968                                 dev->slave_demod = SLAVE_DEMOD_NONE;
 969                                 goto err_slave_demod_failed;
 970                         }
 971
 972                         if (!try_module_get(client->dev.driver->owner)) {
 973                                 i2c_unregister_device(client);
 974                                 dev->slave_demod = SLAVE_DEMOD_NONE;
 975                                 goto err_slave_demod_failed;
 976                         }
 977
 978                         dev->i2c_client_slave_demod = client;
 979                 } else if (dev->slave_demod == SLAVE_DEMOD_MN88473) {
 980                         struct mn88473_config mn88473_config = {};
 981
 982                         mn88473_config.fe = &adap->fe[1];
 983                         mn88473_config.i2c_wr_max = 22,
 984                         strlcpy(info.type, "mn88473", I2C_NAME_SIZE);
 985                         info.addr = 0x18;
 986                         info.platform_data = &mn88473_config;
 987                         request_module(info.type);
 988                         client = i2c_new_device(&d->i2c_adap, &info);
 989                         if (client == NULL || client->dev.driver == NULL) {
 990                                 dev->slave_demod = SLAVE_DEMOD_NONE;
 991                                 goto err_slave_demod_failed;
 992                         }
 993
 994                         if (!try_module_get(client->dev.driver->owner)) {
 995                                 i2c_unregister_device(client);
 996                                 dev->slave_demod = SLAVE_DEMOD_NONE;
 997                                 goto err_slave_demod_failed;
 998                         }
 999
1000                         dev->i2c_client_slave_demod = client;
1001                 } else {
1002                         struct si2168_config si2168_config = {};
1003                         struct i2c_adapter *adapter;
1004
1005                         si2168_config.i2c_adapter = &adapter;
1006                         si2168_config.fe = &adap->fe[1];
1007                         si2168_config.ts_mode = SI2168_TS_SERIAL;
1008                         si2168_config.ts_clock_inv = false;
1009                         si2168_config.ts_clock_gapped = true;
1010                         strlcpy(info.type, "si2168", I2C_NAME_SIZE);
1011                         info.addr = 0x64;
1012                         info.platform_data = &si2168_config;
1013                         request_module(info.type);
1014                         client = i2c_new_device(&d->i2c_adap, &info);
1015                         if (client == NULL || client->dev.driver == NULL) {
1016                                 dev->slave_demod = SLAVE_DEMOD_NONE;
1017                                 goto err_slave_demod_failed;
1018                         }
1019
1020                         if (!try_module_get(client->dev.driver->owner)) {
1021                                 i2c_unregister_device(client);
1022                                 dev->slave_demod = SLAVE_DEMOD_NONE;
1023                                 goto err_slave_demod_failed;
1024                         }
1025
1026                         dev->i2c_client_slave_demod = client;
1027
1028                         /* for Si2168 devices use only new I2C write method */
1029                         dev->new_i2c_write = true;
1030                 }
1031         }
1032         return 0;
1033 err_slave_demod_failed:
1034 err:
1035         dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1036         return ret;
1037 }
1038
1039 static int rtl28xxu_frontend_attach(struct dvb_usb_adapter *adap)
1040 {
1041         struct rtl28xxu_dev *dev = adap_to_priv(adap);
1042
1043         if (dev->chip_id == CHIP_ID_RTL2831U)
1044                 return rtl2831u_frontend_attach(adap);
1045         else
1046                 return rtl2832u_frontend_attach(adap);
1047 }
1048
1049 static int rtl28xxu_frontend_detach(struct dvb_usb_adapter *adap)
1050 {
1051         struct dvb_usb_device *d = adap_to_d(adap);
1052         struct rtl28xxu_dev *dev = d_to_priv(d);
1053         struct i2c_client *client;
1054
1055         dev_dbg(&d->intf->dev, "\n");
1056
1057         /* remove I2C slave demod */
1058         client = dev->i2c_client_slave_demod;
1059         if (client) {
1060                 module_put(client->dev.driver->owner);
1061                 i2c_unregister_device(client);
1062         }
1063
1064         /* remove I2C demod */
1065         client = dev->i2c_client_demod;
1066         if (client) {
1067                 module_put(client->dev.driver->owner);
1068                 i2c_unregister_device(client);
1069         }
1070
1071         return 0;
1072 }
1073
1074 static struct qt1010_config rtl28xxu_qt1010_config = {
1075         .i2c_address = 0x62, /* 0xc4 */
1076 };
1077
1078 static struct mt2060_config rtl28xxu_mt2060_config = {
1079         .i2c_address = 0x60, /* 0xc0 */
1080         .clock_out = 0,
1081 };
1082
1083 static struct mxl5005s_config rtl28xxu_mxl5005s_config = {
1084         .i2c_address     = 0x63, /* 0xc6 */
1085         .if_freq         = IF_FREQ_4570000HZ,
1086         .xtal_freq       = CRYSTAL_FREQ_16000000HZ,
1087         .agc_mode        = MXL_SINGLE_AGC,
1088         .tracking_filter = MXL_TF_C_H,
1089         .rssi_enable     = MXL_RSSI_ENABLE,
1090         .cap_select      = MXL_CAP_SEL_ENABLE,
1091         .div_out         = MXL_DIV_OUT_4,
1092         .clock_out       = MXL_CLOCK_OUT_DISABLE,
1093         .output_load     = MXL5005S_IF_OUTPUT_LOAD_200_OHM,
1094         .top             = MXL5005S_TOP_25P2,
1095         .mod_mode        = MXL_DIGITAL_MODE,
1096         .if_mode         = MXL_ZERO_IF,
1097         .AgcMasterByte   = 0x00,
1098 };
1099
1100 static int rtl2831u_tuner_attach(struct dvb_usb_adapter *adap)
1101 {
1102         int ret;
1103         struct dvb_usb_device *d = adap_to_d(adap);
1104         struct rtl28xxu_dev *dev = d_to_priv(d);
1105         struct dvb_frontend *fe;
1106
1107         dev_dbg(&d->intf->dev, "\n");
1108
1109         switch (dev->tuner) {
1110         case TUNER_RTL2830_QT1010:
1111                 fe = dvb_attach(qt1010_attach, adap->fe[0],
1112                                 dev->demod_i2c_adapter,
1113                                 &rtl28xxu_qt1010_config);
1114                 break;
1115         case TUNER_RTL2830_MT2060:
1116                 fe = dvb_attach(mt2060_attach, adap->fe[0],
1117                                 dev->demod_i2c_adapter,
1118                                 &rtl28xxu_mt2060_config, 1220);
1119                 break;
1120         case TUNER_RTL2830_MXL5005S:
1121                 fe = dvb_attach(mxl5005s_attach, adap->fe[0],
1122                                 dev->demod_i2c_adapter,
1123                                 &rtl28xxu_mxl5005s_config);
1124                 break;
1125         default:
1126                 fe = NULL;
1127                 dev_err(&d->intf->dev, "unknown tuner %d\n", dev->tuner);
1128         }
1129
1130         if (fe == NULL) {
1131                 ret = -ENODEV;
1132                 goto err;
1133         }
1134
1135         return 0;
1136 err:
1137         dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1138         return ret;
1139 }
1140
1141 static const struct fc0012_config rtl2832u_fc0012_config = {
1142         .i2c_address = 0x63, /* 0xc6 >> 1 */
1143         .xtal_freq = FC_XTAL_28_8_MHZ,
1144 };
1145
1146 static const struct r820t_config rtl2832u_r820t_config = {
1147         .i2c_addr = 0x1a,
1148         .xtal = 28800000,
1149         .max_i2c_msg_len = 2,
1150         .rafael_chip = CHIP_R820T,
1151 };
1152
1153 static const struct r820t_config rtl2832u_r828d_config = {
1154         .i2c_addr = 0x3a,
1155         .xtal = 16000000,
1156         .max_i2c_msg_len = 2,
1157         .rafael_chip = CHIP_R828D,
1158 };
1159
1160 static int rtl2832u_tuner_attach(struct dvb_usb_adapter *adap)
1161 {
1162         int ret;
1163         struct dvb_usb_device *d = adap_to_d(adap);
1164         struct rtl28xxu_dev *dev = d_to_priv(d);
1165         struct dvb_frontend *fe = NULL;
1166         struct i2c_board_info info;
1167         struct i2c_client *client;
1168         struct v4l2_subdev *subdev = NULL;
1169         struct platform_device *pdev;
1170         struct rtl2832_sdr_platform_data pdata;
1171
1172         dev_dbg(&d->intf->dev, "\n");
1173
1174         memset(&info, 0, sizeof(struct i2c_board_info));
1175         memset(&pdata, 0, sizeof(pdata));
1176
1177         switch (dev->tuner) {
1178         case TUNER_RTL2832_FC0012:
1179                 fe = dvb_attach(fc0012_attach, adap->fe[0],
1180                         dev->demod_i2c_adapter, &rtl2832u_fc0012_config);
1181
1182                 /* since fc0012 includs reading the signal strength delegate
1183                  * that to the tuner driver */
1184                 adap->fe[0]->ops.read_signal_strength =
1185                                 adap->fe[0]->ops.tuner_ops.get_rf_strength;
1186                 break;
1187         case TUNER_RTL2832_FC0013:
1188                 fe = dvb_attach(fc0013_attach, adap->fe[0],
1189                         dev->demod_i2c_adapter, 0xc6>>1, 0, FC_XTAL_28_8_MHZ);
1190
1191                 /* fc0013 also supports signal strength reading */
1192                 adap->fe[0]->ops.read_signal_strength =
1193                                 adap->fe[0]->ops.tuner_ops.get_rf_strength;
1194                 break;
1195         case TUNER_RTL2832_E4000: {
1196                         struct e4000_config e4000_config = {
1197                                 .fe = adap->fe[0],
1198                                 .clock = 28800000,
1199                         };
1200
1201                         strlcpy(info.type, "e4000", I2C_NAME_SIZE);
1202                         info.addr = 0x64;
1203                         info.platform_data = &e4000_config;
1204
1205                         request_module(info.type);
1206                         client = i2c_new_device(dev->demod_i2c_adapter, &info);
1207                         if (client == NULL || client->dev.driver == NULL)
1208                                 break;
1209
1210                         if (!try_module_get(client->dev.driver->owner)) {
1211                                 i2c_unregister_device(client);
1212                                 break;
1213                         }
1214
1215                         dev->i2c_client_tuner = client;
1216                         subdev = i2c_get_clientdata(client);
1217                 }
1218                 break;
1219         case TUNER_RTL2832_FC2580: {
1220                         struct fc2580_platform_data fc2580_pdata = {
1221                                 .dvb_frontend = adap->fe[0],
1222                         };
1223                         struct i2c_board_info board_info = {};
1224
1225                         strlcpy(board_info.type, "fc2580", I2C_NAME_SIZE);
1226                         board_info.addr = 0x56;
1227                         board_info.platform_data = &fc2580_pdata;
1228                         request_module("fc2580");
1229                         client = i2c_new_device(dev->demod_i2c_adapter,
1230                                                 &board_info);
1231                         if (client == NULL || client->dev.driver == NULL)
1232                                 break;
1233                         if (!try_module_get(client->dev.driver->owner)) {
1234                                 i2c_unregister_device(client);
1235                                 break;
1236                         }
1237                         dev->i2c_client_tuner = client;
1238                         subdev = fc2580_pdata.get_v4l2_subdev(client);
1239                 }
1240                 break;
1241         case TUNER_RTL2832_TUA9001: {
1242                 struct tua9001_platform_data tua9001_pdata = {
1243                         .dvb_frontend = adap->fe[0],
1244                 };
1245                 struct i2c_board_info board_info = {};
1246
1247                 /* enable GPIO1 and GPIO4 as output */
1248                 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_DIR, 0x00, 0x12);
1249                 if (ret)
1250                         goto err;
1251
1252                 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x12, 0x12);
1253                 if (ret)
1254                         goto err;
1255
1256                 strlcpy(board_info.type, "tua9001", I2C_NAME_SIZE);
1257                 board_info.addr = 0x60;
1258                 board_info.platform_data = &tua9001_pdata;
1259                 request_module("tua9001");
1260                 client = i2c_new_device(dev->demod_i2c_adapter, &board_info);
1261                 if (client == NULL || client->dev.driver == NULL)
1262                         break;
1263                 if (!try_module_get(client->dev.driver->owner)) {
1264                         i2c_unregister_device(client);
1265                         break;
1266                 }
1267                 dev->i2c_client_tuner = client;
1268                 break;
1269         }
1270         case TUNER_RTL2832_R820T:
1271                 fe = dvb_attach(r820t_attach, adap->fe[0],
1272                                 dev->demod_i2c_adapter,
1273                                 &rtl2832u_r820t_config);
1274
1275                 /* Use tuner to get the signal strength */
1276                 adap->fe[0]->ops.read_signal_strength =
1277                                 adap->fe[0]->ops.tuner_ops.get_rf_strength;
1278                 break;
1279         case TUNER_RTL2832_R828D:
1280                 fe = dvb_attach(r820t_attach, adap->fe[0],
1281                                 dev->demod_i2c_adapter,
1282                                 &rtl2832u_r828d_config);
1283                 adap->fe[0]->ops.read_signal_strength =
1284                                 adap->fe[0]->ops.tuner_ops.get_rf_strength;
1285
1286                 if (adap->fe[1]) {
1287                         fe = dvb_attach(r820t_attach, adap->fe[1],
1288                                         dev->demod_i2c_adapter,
1289                                         &rtl2832u_r828d_config);
1290                         adap->fe[1]->ops.read_signal_strength =
1291                                         adap->fe[1]->ops.tuner_ops.get_rf_strength;
1292                 }
1293                 break;
1294         case TUNER_RTL2832_SI2157: {
1295                         struct si2157_config si2157_config = {
1296                                 .fe = adap->fe[0],
1297                                 .if_port = 0,
1298                                 .inversion = false,
1299                         };
1300
1301                         strlcpy(info.type, "si2157", I2C_NAME_SIZE);
1302                         info.addr = 0x60;
1303                         info.platform_data = &si2157_config;
1304                         request_module(info.type);
1305                         client = i2c_new_device(&d->i2c_adap, &info);
1306                         if (client == NULL || client->dev.driver == NULL)
1307                                 break;
1308
1309                         if (!try_module_get(client->dev.driver->owner)) {
1310                                 i2c_unregister_device(client);
1311                                 break;
1312                         }
1313
1314                         dev->i2c_client_tuner = client;
1315                         subdev = i2c_get_clientdata(client);
1316
1317                         /* copy tuner ops for 2nd FE as tuner is shared */
1318                         if (adap->fe[1]) {
1319                                 adap->fe[1]->tuner_priv =
1320                                                 adap->fe[0]->tuner_priv;
1321                                 memcpy(&adap->fe[1]->ops.tuner_ops,
1322                                                 &adap->fe[0]->ops.tuner_ops,
1323                                                 sizeof(struct dvb_tuner_ops));
1324                         }
1325                 }
1326                 break;
1327         default:
1328                 dev_err(&d->intf->dev, "unknown tuner %d\n", dev->tuner);
1329         }
1330         if (fe == NULL && dev->i2c_client_tuner == NULL) {
1331                 ret = -ENODEV;
1332                 goto err;
1333         }
1334
1335         /* register SDR */
1336         switch (dev->tuner) {
1337         case TUNER_RTL2832_FC2580:
1338         case TUNER_RTL2832_FC0012:
1339         case TUNER_RTL2832_FC0013:
1340         case TUNER_RTL2832_E4000:
1341         case TUNER_RTL2832_R820T:
1342         case TUNER_RTL2832_R828D:
1343                 pdata.clk = dev->rtl2832_platform_data.clk;
1344                 pdata.tuner = dev->tuner;
1345                 pdata.regmap = dev->rtl2832_platform_data.regmap;
1346                 pdata.dvb_frontend = adap->fe[0];
1347                 pdata.dvb_usb_device = d;
1348                 pdata.v4l2_subdev = subdev;
1349
1350                 request_module("%s", "rtl2832_sdr");
1351                 pdev = platform_device_register_data(&d->intf->dev,
1352                                                      "rtl2832_sdr",
1353                                                      PLATFORM_DEVID_AUTO,
1354                                                      &pdata, sizeof(pdata));
1355                 if (IS_ERR(pdev) || pdev->dev.driver == NULL)
1356                         break;
1357                 dev->platform_device_sdr = pdev;
1358                 break;
1359         default:
1360                 dev_dbg(&d->intf->dev, "no SDR for tuner=%d\n", dev->tuner);
1361         }
1362
1363         return 0;
1364 err:
1365         dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1366         return ret;
1367 }
1368
1369 static int rtl28xxu_tuner_attach(struct dvb_usb_adapter *adap)
1370 {
1371         struct rtl28xxu_dev *dev = adap_to_priv(adap);
1372
1373         if (dev->chip_id == CHIP_ID_RTL2831U)
1374                 return rtl2831u_tuner_attach(adap);
1375         else
1376                 return rtl2832u_tuner_attach(adap);
1377 }
1378
1379 static int rtl28xxu_tuner_detach(struct dvb_usb_adapter *adap)
1380 {
1381         struct dvb_usb_device *d = adap_to_d(adap);
1382         struct rtl28xxu_dev *dev = d_to_priv(d);
1383         struct i2c_client *client;
1384         struct platform_device *pdev;
1385
1386         dev_dbg(&d->intf->dev, "\n");
1387
1388         /* remove platform SDR */
1389         pdev = dev->platform_device_sdr;
1390         if (pdev)
1391                 platform_device_unregister(pdev);
1392
1393         /* remove I2C tuner */
1394         client = dev->i2c_client_tuner;
1395         if (client) {
1396                 module_put(client->dev.driver->owner);
1397                 i2c_unregister_device(client);
1398         }
1399
1400         return 0;
1401 }
1402
1403 static int rtl28xxu_init(struct dvb_usb_device *d)
1404 {
1405         int ret;
1406         u8 val;
1407
1408         dev_dbg(&d->intf->dev, "\n");
1409
1410         /* init USB endpoints */
1411         ret = rtl28xxu_rd_reg(d, USB_SYSCTL_0, &val);
1412         if (ret)
1413                 goto err;
1414
1415         /* enable DMA and Full Packet Mode*/
1416         val |= 0x09;
1417         ret = rtl28xxu_wr_reg(d, USB_SYSCTL_0, val);
1418         if (ret)
1419                 goto err;
1420
1421         /* set EPA maximum packet size to 0x0200 */
1422         ret = rtl28xxu_wr_regs(d, USB_EPA_MAXPKT, "\x00\x02\x00\x00", 4);
1423         if (ret)
1424                 goto err;
1425
1426         /* change EPA FIFO length */
1427         ret = rtl28xxu_wr_regs(d, USB_EPA_FIFO_CFG, "\x14\x00\x00\x00", 4);
1428         if (ret)
1429                 goto err;
1430
1431         return ret;
1432 err:
1433         dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1434         return ret;
1435 }
1436
1437 static int rtl2831u_power_ctrl(struct dvb_usb_device *d, int onoff)
1438 {
1439         int ret;
1440         u8 gpio, sys0, epa_ctl[2];
1441
1442         dev_dbg(&d->intf->dev, "onoff=%d\n", onoff);
1443
1444         /* demod adc */
1445         ret = rtl28xxu_rd_reg(d, SYS_SYS0, &sys0);
1446         if (ret)
1447                 goto err;
1448
1449         /* tuner power, read GPIOs */
1450         ret = rtl28xxu_rd_reg(d, SYS_GPIO_OUT_VAL, &gpio);
1451         if (ret)
1452                 goto err;
1453
1454         dev_dbg(&d->intf->dev, "RD SYS0=%02x GPIO_OUT_VAL=%02x\n", sys0, gpio);
1455
1456         if (onoff) {
1457                 gpio |= 0x01; /* GPIO0 = 1 */
1458                 gpio &= (~0x10); /* GPIO4 = 0 */
1459                 gpio |= 0x04; /* GPIO2 = 1, LED on */
1460                 sys0 = sys0 & 0x0f;
1461                 sys0 |= 0xe0;
1462                 epa_ctl[0] = 0x00; /* clear stall */
1463                 epa_ctl[1] = 0x00; /* clear reset */
1464         } else {
1465                 gpio &= (~0x01); /* GPIO0 = 0 */
1466                 gpio |= 0x10; /* GPIO4 = 1 */
1467                 gpio &= (~0x04); /* GPIO2 = 1, LED off */
1468                 sys0 = sys0 & (~0xc0);
1469                 epa_ctl[0] = 0x10; /* set stall */
1470                 epa_ctl[1] = 0x02; /* set reset */
1471         }
1472
1473         dev_dbg(&d->intf->dev, "WR SYS0=%02x GPIO_OUT_VAL=%02x\n", sys0, gpio);
1474
1475         /* demod adc */
1476         ret = rtl28xxu_wr_reg(d, SYS_SYS0, sys0);
1477         if (ret)
1478                 goto err;
1479
1480         /* tuner power, write GPIOs */
1481         ret = rtl28xxu_wr_reg(d, SYS_GPIO_OUT_VAL, gpio);
1482         if (ret)
1483                 goto err;
1484
1485         /* streaming EP: stall & reset */
1486         ret = rtl28xxu_wr_regs(d, USB_EPA_CTL, epa_ctl, 2);
1487         if (ret)
1488                 goto err;
1489
1490         if (onoff)
1491                 usb_clear_halt(d->udev, usb_rcvbulkpipe(d->udev, 0x81));
1492
1493         return ret;
1494 err:
1495         dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1496         return ret;
1497 }
1498
1499 static int rtl2832u_power_ctrl(struct dvb_usb_device *d, int onoff)
1500 {
1501         int ret;
1502
1503         dev_dbg(&d->intf->dev, "onoff=%d\n", onoff);
1504
1505         if (onoff) {
1506                 /* GPIO3=1, GPIO4=0 */
1507                 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x08, 0x18);
1508                 if (ret)
1509                         goto err;
1510
1511                 /* suspend? */
1512                 ret = rtl28xxu_wr_reg_mask(d, SYS_DEMOD_CTL1, 0x00, 0x10);
1513                 if (ret)
1514                         goto err;
1515
1516                 /* enable PLL */
1517                 ret = rtl28xxu_wr_reg_mask(d, SYS_DEMOD_CTL, 0x80, 0x80);
1518                 if (ret)
1519                         goto err;
1520
1521                 /* disable reset */
1522                 ret = rtl28xxu_wr_reg_mask(d, SYS_DEMOD_CTL, 0x20, 0x20);
1523                 if (ret)
1524                         goto err;
1525
1526                 /* streaming EP: clear stall & reset */
1527                 ret = rtl28xxu_wr_regs(d, USB_EPA_CTL, "\x00\x00", 2);
1528                 if (ret)
1529                         goto err;
1530
1531                 ret = usb_clear_halt(d->udev, usb_rcvbulkpipe(d->udev, 0x81));
1532                 if (ret)
1533                         goto err;
1534         } else {
1535                 /* GPIO4=1 */
1536                 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x10, 0x10);
1537                 if (ret)
1538                         goto err;
1539
1540                 /* disable PLL */
1541                 ret = rtl28xxu_wr_reg_mask(d, SYS_DEMOD_CTL, 0x00, 0x80);
1542                 if (ret)
1543                         goto err;
1544
1545                 /* streaming EP: set stall & reset */
1546                 ret = rtl28xxu_wr_regs(d, USB_EPA_CTL, "\x10\x02", 2);
1547                 if (ret)
1548                         goto err;
1549         }
1550
1551         return ret;
1552 err:
1553         dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1554         return ret;
1555 }
1556
1557 static int rtl28xxu_power_ctrl(struct dvb_usb_device *d, int onoff)
1558 {
1559         struct rtl28xxu_dev *dev = d_to_priv(d);
1560
1561         if (dev->chip_id == CHIP_ID_RTL2831U)
1562                 return rtl2831u_power_ctrl(d, onoff);
1563         else
1564                 return rtl2832u_power_ctrl(d, onoff);
1565 }
1566
1567 static int rtl28xxu_frontend_ctrl(struct dvb_frontend *fe, int onoff)
1568 {
1569         struct dvb_usb_device *d = fe_to_d(fe);
1570         struct rtl28xxu_dev *dev = fe_to_priv(fe);
1571         struct rtl2832_platform_data *pdata = &dev->rtl2832_platform_data;
1572         int ret;
1573         u8 val;
1574
1575         dev_dbg(&d->intf->dev, "fe=%d onoff=%d\n", fe->id, onoff);
1576
1577         if (dev->chip_id == CHIP_ID_RTL2831U)
1578                 return 0;
1579
1580         if (fe->id == 0) {
1581                 /* control internal demod ADC */
1582                 if (onoff)
1583                         val = 0x48; /* enable ADC */
1584                 else
1585                         val = 0x00; /* disable ADC */
1586
1587                 ret = rtl28xxu_wr_reg_mask(d, SYS_DEMOD_CTL, val, 0x48);
1588                 if (ret)
1589                         goto err;
1590         } else if (fe->id == 1) {
1591                 /* bypass slave demod TS through master demod */
1592                 ret = pdata->slave_ts_ctrl(dev->i2c_client_demod, onoff);
1593                 if (ret)
1594                         goto err;
1595         }
1596
1597         return 0;
1598 err:
1599         dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1600         return ret;
1601 }
1602
1603 #if IS_ENABLED(CONFIG_RC_CORE)
1604 static int rtl2831u_rc_query(struct dvb_usb_device *d)
1605 {
1606         int ret, i;
1607         struct rtl28xxu_dev *dev = d->priv;
1608         u8 buf[5];
1609         u32 rc_code;
1610         struct rtl28xxu_reg_val rc_nec_tab[] = {
1611                 { 0x3033, 0x80 },
1612                 { 0x3020, 0x43 },
1613                 { 0x3021, 0x16 },
1614                 { 0x3022, 0x16 },
1615                 { 0x3023, 0x5a },
1616                 { 0x3024, 0x2d },
1617                 { 0x3025, 0x16 },
1618                 { 0x3026, 0x01 },
1619                 { 0x3028, 0xb0 },
1620                 { 0x3029, 0x04 },
1621                 { 0x302c, 0x88 },
1622                 { 0x302e, 0x13 },
1623                 { 0x3030, 0xdf },
1624                 { 0x3031, 0x05 },
1625         };
1626
1627         /* init remote controller */
1628         if (!dev->rc_active) {
1629                 for (i = 0; i < ARRAY_SIZE(rc_nec_tab); i++) {
1630                         ret = rtl28xxu_wr_reg(d, rc_nec_tab[i].reg,
1631                                         rc_nec_tab[i].val);
1632                         if (ret)
1633                                 goto err;
1634                 }
1635                 dev->rc_active = true;
1636         }
1637
1638         ret = rtl28xxu_rd_regs(d, SYS_IRRC_RP, buf, 5);
1639         if (ret)
1640                 goto err;
1641
1642         if (buf[4] & 0x01) {
1643                 enum rc_proto proto;
1644
1645                 if (buf[2] == (u8) ~buf[3]) {
1646                         if (buf[0] == (u8) ~buf[1]) {
1647                                 /* NEC standard (16 bit) */
1648                                 rc_code = RC_SCANCODE_NEC(buf[0], buf[2]);
1649                                 proto = RC_PROTO_NEC;
1650                         } else {
1651                                 /* NEC extended (24 bit) */
1652                                 rc_code = RC_SCANCODE_NECX(buf[0] << 8 | buf[1],
1653                                                            buf[2]);
1654                                 proto = RC_PROTO_NECX;
1655                         }
1656                 } else {
1657                         /* NEC full (32 bit) */
1658                         rc_code = RC_SCANCODE_NEC32(buf[0] << 24 | buf[1] << 16 |
1659                                                     buf[2] << 8  | buf[3]);
1660                         proto = RC_PROTO_NEC32;
1661                 }
1662
1663                 rc_keydown(d->rc_dev, proto, rc_code, 0);
1664
1665                 ret = rtl28xxu_wr_reg(d, SYS_IRRC_SR, 1);
1666                 if (ret)
1667                         goto err;
1668
1669                 /* repeated intentionally to avoid extra keypress */
1670                 ret = rtl28xxu_wr_reg(d, SYS_IRRC_SR, 1);
1671                 if (ret)
1672                         goto err;
1673         }
1674
1675         return ret;
1676 err:
1677         dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1678         return ret;
1679 }
1680
1681 static int rtl2831u_get_rc_config(struct dvb_usb_device *d,
1682                 struct dvb_usb_rc *rc)
1683 {
1684         rc->map_name = RC_MAP_EMPTY;
1685         rc->allowed_protos = RC_PROTO_BIT_NEC | RC_PROTO_BIT_NECX |
1686                                                         RC_PROTO_BIT_NEC32;
1687         rc->query = rtl2831u_rc_query;
1688         rc->interval = 400;
1689
1690         return 0;
1691 }
1692
1693 static int rtl2832u_rc_query(struct dvb_usb_device *d)
1694 {
1695         int ret, i, len;
1696         struct rtl28xxu_dev *dev = d->priv;
1697         struct ir_raw_event ev;
1698         u8 buf[128];
1699         static const struct rtl28xxu_reg_val_mask refresh_tab[] = {
1700                 {IR_RX_IF,               0x03, 0xff},
1701                 {IR_RX_BUF_CTRL,         0x80, 0xff},
1702                 {IR_RX_CTRL,             0x80, 0xff},
1703         };
1704
1705         /* init remote controller */
1706         if (!dev->rc_active) {
1707                 static const struct rtl28xxu_reg_val_mask init_tab[] = {
1708                         {SYS_DEMOD_CTL1,         0x00, 0x04},
1709                         {SYS_DEMOD_CTL1,         0x00, 0x08},
1710                         {USB_CTRL,               0x20, 0x20},
1711                         {SYS_GPIO_DIR,           0x00, 0x08},
1712                         {SYS_GPIO_OUT_EN,        0x08, 0x08},
1713                         {SYS_GPIO_OUT_VAL,       0x08, 0x08},
1714                         {IR_MAX_DURATION0,       0xd0, 0xff},
1715                         {IR_MAX_DURATION1,       0x07, 0xff},
1716                         {IR_IDLE_LEN0,           0xc0, 0xff},
1717                         {IR_IDLE_LEN1,           0x00, 0xff},
1718                         {IR_GLITCH_LEN,          0x03, 0xff},
1719                         {IR_RX_CLK,              0x09, 0xff},
1720                         {IR_RX_CFG,              0x1c, 0xff},
1721                         {IR_MAX_H_TOL_LEN,       0x1e, 0xff},
1722                         {IR_MAX_L_TOL_LEN,       0x1e, 0xff},
1723                         {IR_RX_CTRL,             0x80, 0xff},
1724                 };
1725
1726                 for (i = 0; i < ARRAY_SIZE(init_tab); i++) {
1727                         ret = rtl28xxu_wr_reg_mask(d, init_tab[i].reg,
1728                                         init_tab[i].val, init_tab[i].mask);
1729                         if (ret)
1730                                 goto err;
1731                 }
1732
1733                 dev->rc_active = true;
1734         }
1735
1736         ret = rtl28xxu_rd_reg(d, IR_RX_IF, &buf[0]);
1737         if (ret)
1738                 goto err;
1739
1740         if (buf[0] != 0x83)
1741                 goto exit;
1742
1743         ret = rtl28xxu_rd_reg(d, IR_RX_BC, &buf[0]);
1744         if (ret)
1745                 goto err;
1746
1747         len = buf[0];
1748
1749         /* read raw code from hw */
1750         ret = rtl28xxu_rd_regs(d, IR_RX_BUF, buf, len);
1751         if (ret)
1752                 goto err;
1753
1754         /* let hw receive new code */
1755         for (i = 0; i < ARRAY_SIZE(refresh_tab); i++) {
1756                 ret = rtl28xxu_wr_reg_mask(d, refresh_tab[i].reg,
1757                                 refresh_tab[i].val, refresh_tab[i].mask);
1758                 if (ret)
1759                         goto err;
1760         }
1761
1762         /* pass data to Kernel IR decoder */
1763         init_ir_raw_event(&ev);
1764
1765         for (i = 0; i < len; i++) {
1766                 ev.pulse = buf[i] >> 7;
1767                 ev.duration = 50800 * (buf[i] & 0x7f);
1768                 ir_raw_event_store_with_filter(d->rc_dev, &ev);
1769         }
1770
1771         /* 'flush' ir_raw_event_store_with_filter() */
1772         ir_raw_event_set_idle(d->rc_dev, true);
1773         ir_raw_event_handle(d->rc_dev);
1774 exit:
1775         return ret;
1776 err:
1777         dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1778         return ret;
1779 }
1780
1781 static int rtl2832u_get_rc_config(struct dvb_usb_device *d,
1782                 struct dvb_usb_rc *rc)
1783 {
1784         /* disable IR interrupts in order to avoid SDR sample loss */
1785         if (rtl28xxu_disable_rc)
1786                 return rtl28xxu_wr_reg(d, IR_RX_IE, 0x00);
1787
1788         /* load empty to enable rc */
1789         if (!rc->map_name)
1790                 rc->map_name = RC_MAP_EMPTY;
1791         rc->allowed_protos = RC_PROTO_BIT_ALL_IR_DECODER;
1792         rc->driver_type = RC_DRIVER_IR_RAW;
1793         rc->query = rtl2832u_rc_query;
1794         rc->interval = 200;
1795
1796         return 0;
1797 }
1798
1799 static int rtl28xxu_get_rc_config(struct dvb_usb_device *d,
1800                 struct dvb_usb_rc *rc)
1801 {
1802         struct rtl28xxu_dev *dev = d_to_priv(d);
1803
1804         if (dev->chip_id == CHIP_ID_RTL2831U)
1805                 return rtl2831u_get_rc_config(d, rc);
1806         else
1807                 return rtl2832u_get_rc_config(d, rc);
1808 }
1809 #else
1810 #define rtl28xxu_get_rc_config NULL
1811 #endif
1812
1813 static int rtl28xxu_pid_filter_ctrl(struct dvb_usb_adapter *adap, int onoff)
1814 {
1815         struct rtl28xxu_dev *dev = adap_to_priv(adap);
1816
1817         if (dev->chip_id == CHIP_ID_RTL2831U) {
1818                 struct rtl2830_platform_data *pdata = &dev->rtl2830_platform_data;
1819
1820                 return pdata->pid_filter_ctrl(adap->fe[0], onoff);
1821         } else {
1822                 struct rtl2832_platform_data *pdata = &dev->rtl2832_platform_data;
1823
1824                 return pdata->pid_filter_ctrl(adap->fe[0], onoff);
1825         }
1826 }
1827
1828 static int rtl28xxu_pid_filter(struct dvb_usb_adapter *adap, int index,
1829                                u16 pid, int onoff)
1830 {
1831         struct rtl28xxu_dev *dev = adap_to_priv(adap);
1832
1833         if (dev->chip_id == CHIP_ID_RTL2831U) {
1834                 struct rtl2830_platform_data *pdata = &dev->rtl2830_platform_data;
1835
1836                 return pdata->pid_filter(adap->fe[0], index, pid, onoff);
1837         } else {
1838                 struct rtl2832_platform_data *pdata = &dev->rtl2832_platform_data;
1839
1840                 return pdata->pid_filter(adap->fe[0], index, pid, onoff);
1841         }
1842 }
1843
1844 static const struct dvb_usb_device_properties rtl28xxu_props = {
1845         .driver_name = KBUILD_MODNAME,
1846         .owner = THIS_MODULE,
1847         .adapter_nr = adapter_nr,
1848         .size_of_priv = sizeof(struct rtl28xxu_dev),
1849
1850         .identify_state = rtl28xxu_identify_state,
1851         .power_ctrl = rtl28xxu_power_ctrl,
1852         .frontend_ctrl = rtl28xxu_frontend_ctrl,
1853         .i2c_algo = &rtl28xxu_i2c_algo,
1854         .read_config = rtl28xxu_read_config,
1855         .frontend_attach = rtl28xxu_frontend_attach,
1856         .frontend_detach = rtl28xxu_frontend_detach,
1857         .tuner_attach = rtl28xxu_tuner_attach,
1858         .tuner_detach = rtl28xxu_tuner_detach,
1859         .init = rtl28xxu_init,
1860         .get_rc_config = rtl28xxu_get_rc_config,
1861
1862         .num_adapters = 1,
1863         .adapter = {
1864                 {
1865                         .caps = DVB_USB_ADAP_HAS_PID_FILTER |
1866                                 DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
1867
1868                         .pid_filter_count = 32,
1869                         .pid_filter_ctrl = rtl28xxu_pid_filter_ctrl,
1870                         .pid_filter = rtl28xxu_pid_filter,
1871
1872                         .stream = DVB_USB_STREAM_BULK(0x81, 6, 8 * 512),
1873                 },
1874         },
1875 };
1876
1877 static const struct usb_device_id rtl28xxu_id_table[] = {
1878         /* RTL2831U devices: */
1879         { DVB_USB_DEVICE(USB_VID_REALTEK, USB_PID_REALTEK_RTL2831U,
1880                 &rtl28xxu_props, "Realtek RTL2831U reference design", NULL) },
1881         { DVB_USB_DEVICE(USB_VID_WIDEVIEW, USB_PID_FREECOM_DVBT,
1882                 &rtl28xxu_props, "Freecom USB2.0 DVB-T", NULL) },
1883         { DVB_USB_DEVICE(USB_VID_WIDEVIEW, USB_PID_FREECOM_DVBT_2,
1884                 &rtl28xxu_props, "Freecom USB2.0 DVB-T", NULL) },
1885
1886         /* RTL2832U devices: */
1887         { DVB_USB_DEVICE(USB_VID_REALTEK, 0x2832,
1888                 &rtl28xxu_props, "Realtek RTL2832U reference design", NULL) },
1889         { DVB_USB_DEVICE(USB_VID_REALTEK, 0x2838,
1890                 &rtl28xxu_props, "Realtek RTL2832U reference design", NULL) },
1891         { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_CINERGY_T_STICK_BLACK_REV1,
1892                 &rtl28xxu_props, "TerraTec Cinergy T Stick Black", RC_MAP_TERRATEC_SLIM) },
1893         { DVB_USB_DEVICE(USB_VID_GTEK, USB_PID_DELOCK_USB2_DVBT,
1894                 &rtl28xxu_props, "G-Tek Electronics Group Lifeview LV5TDLX DVB-T", NULL) },
1895         { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_NOXON_DAB_STICK,
1896                 &rtl28xxu_props, "TerraTec NOXON DAB Stick", NULL) },
1897         { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_NOXON_DAB_STICK_REV2,
1898                 &rtl28xxu_props, "TerraTec NOXON DAB Stick (rev 2)", NULL) },
1899         { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_NOXON_DAB_STICK_REV3,
1900                 &rtl28xxu_props, "TerraTec NOXON DAB Stick (rev 3)", NULL) },
1901         { DVB_USB_DEVICE(USB_VID_GTEK, USB_PID_TREKSTOR_TERRES_2_0,
1902                 &rtl28xxu_props, "Trekstor DVB-T Stick Terres 2.0", NULL) },
1903         { DVB_USB_DEVICE(USB_VID_DEXATEK, 0x1101,
1904                 &rtl28xxu_props, "Dexatek DK DVB-T Dongle", NULL) },
1905         { DVB_USB_DEVICE(USB_VID_LEADTEK, 0x6680,
1906                 &rtl28xxu_props, "DigitalNow Quad DVB-T Receiver", NULL) },
1907         { DVB_USB_DEVICE(USB_VID_LEADTEK, USB_PID_WINFAST_DTV_DONGLE_MINID,
1908                 &rtl28xxu_props, "Leadtek Winfast DTV Dongle Mini D", NULL) },
1909         { DVB_USB_DEVICE(USB_VID_LEADTEK, USB_PID_WINFAST_DTV2000DS_PLUS,
1910                 &rtl28xxu_props, "Leadtek WinFast DTV2000DS Plus", RC_MAP_LEADTEK_Y04G0051) },
1911         { DVB_USB_DEVICE(USB_VID_TERRATEC, 0x00d3,
1912                 &rtl28xxu_props, "TerraTec Cinergy T Stick RC (Rev. 3)", NULL) },
1913         { DVB_USB_DEVICE(USB_VID_DEXATEK, 0x1102,
1914                 &rtl28xxu_props, "Dexatek DK mini DVB-T Dongle", NULL) },
1915         { DVB_USB_DEVICE(USB_VID_TERRATEC, 0x00d7,
1916                 &rtl28xxu_props, "TerraTec Cinergy T Stick+", NULL) },
1917         { DVB_USB_DEVICE(USB_VID_KWORLD_2, 0xd3a8,
1918                 &rtl28xxu_props, "ASUS My Cinema-U3100Mini Plus V2", NULL) },
1919         { DVB_USB_DEVICE(USB_VID_KWORLD_2, 0xd393,
1920                 &rtl28xxu_props, "GIGABYTE U7300", NULL) },
1921         { DVB_USB_DEVICE(USB_VID_DEXATEK, 0x1104,
1922                 &rtl28xxu_props, "MSI DIGIVOX Micro HD", NULL) },
1923         { DVB_USB_DEVICE(USB_VID_COMPRO, 0x0620,
1924                 &rtl28xxu_props, "Compro VideoMate U620F", NULL) },
1925         { DVB_USB_DEVICE(USB_VID_COMPRO, 0x0650,
1926                 &rtl28xxu_props, "Compro VideoMate U650F", NULL) },
1927         { DVB_USB_DEVICE(USB_VID_KWORLD_2, 0xd394,
1928                 &rtl28xxu_props, "MaxMedia HU394-T", NULL) },
1929         { DVB_USB_DEVICE(USB_VID_LEADTEK, 0x6a03,
1930                 &rtl28xxu_props, "Leadtek WinFast DTV Dongle mini", NULL) },
1931         { DVB_USB_DEVICE(USB_VID_GTEK, USB_PID_CPYTO_REDI_PC50A,
1932                 &rtl28xxu_props, "Crypto ReDi PC 50 A", NULL) },
1933         { DVB_USB_DEVICE(USB_VID_KYE, 0x707f,
1934                 &rtl28xxu_props, "Genius TVGo DVB-T03", NULL) },
1935         { DVB_USB_DEVICE(USB_VID_KWORLD_2, 0xd395,
1936                 &rtl28xxu_props, "Peak DVB-T USB", NULL) },
1937         { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_SVEON_STV20_RTL2832U,
1938                 &rtl28xxu_props, "Sveon STV20", NULL) },
1939         { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_SVEON_STV21,
1940                 &rtl28xxu_props, "Sveon STV21", NULL) },
1941         { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_SVEON_STV27,
1942                 &rtl28xxu_props, "Sveon STV27", NULL) },
1943         { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_TURBOX_DTT_2000,
1944                 &rtl28xxu_props, "TURBO-X Pure TV Tuner DTT-2000", NULL) },
1945
1946         /* RTL2832P devices: */
1947         { DVB_USB_DEVICE(USB_VID_HANFTEK, 0x0131,
1948                 &rtl28xxu_props, "Astrometa DVB-T2", NULL) },
1949         { DVB_USB_DEVICE(0x5654, 0xca42,
1950                 &rtl28xxu_props, "GoTView MasterHD 3", NULL) },
1951         { }
1952 };
1953 MODULE_DEVICE_TABLE(usb, rtl28xxu_id_table);
1954
1955 static struct usb_driver rtl28xxu_usb_driver = {
1956         .name = KBUILD_MODNAME,
1957         .id_table = rtl28xxu_id_table,
1958         .probe = dvb_usbv2_probe,
1959         .disconnect = dvb_usbv2_disconnect,
1960         .suspend = dvb_usbv2_suspend,
1961         .resume = dvb_usbv2_resume,
1962         .reset_resume = dvb_usbv2_reset_resume,
1963         .no_dynamic_id = 1,
1964         .soft_unbind = 1,
1965 };
1966
1967 module_usb_driver(rtl28xxu_usb_driver);
1968
1969 MODULE_DESCRIPTION("Realtek RTL28xxU DVB USB driver");
1970 MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
1971 MODULE_AUTHOR("Thomas Mair <thomas.mair86@googlemail.com>");
1972 MODULE_LICENSE("GPL");