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         if (req->index & CMD_WR_FLAG) {
  38                 /* write */
  39                 memcpy(dev->buf, req->data, req->size);
  40                 requesttype = (USB_TYPE_VENDOR | USB_DIR_OUT);
  41                 pipe = usb_sndctrlpipe(d->udev, 0);
  42         } else {
  43                 /* read */
  44                 requesttype = (USB_TYPE_VENDOR | USB_DIR_IN);
  45                 pipe = usb_rcvctrlpipe(d->udev, 0);
  46         }
  47
  48         ret = usb_control_msg(d->udev, pipe, 0, requesttype, req->value,
  49                         req->index, dev->buf, req->size, 1000);
  50         dvb_usb_dbg_usb_control_msg(d->udev, 0, requesttype, req->value,
  51                         req->index, dev->buf, req->size);
  52         if (ret < 0)
  53                 goto err;
  54
  55         /* read request, copy returned data to return buf */
  56         if (requesttype == (USB_TYPE_VENDOR | USB_DIR_IN))
  57                 memcpy(req->data, dev->buf, req->size);
  58
  59         return 0;
  60 err:
  61         dev_dbg(&d->intf->dev, "failed=%d\n", ret);
  62         return ret;
  63 }
  64
  65 static int rtl28xxu_wr_regs(struct dvb_usb_device *d, u16 reg, u8 *val, int len)
  66 {
  67         struct rtl28xxu_req req;
  68
  69         if (reg < 0x3000)
  70                 req.index = CMD_USB_WR;
  71         else if (reg < 0x4000)
  72                 req.index = CMD_SYS_WR;
  73         else
  74                 req.index = CMD_IR_WR;
  75
  76         req.value = reg;
  77         req.size = len;
  78         req.data = val;
  79
  80         return rtl28xxu_ctrl_msg(d, &req);
  81 }
  82
  83 static int rtl28xxu_rd_regs(struct dvb_usb_device *d, u16 reg, u8 *val, int len)
  84 {
  85         struct rtl28xxu_req req;
  86
  87         if (reg < 0x3000)
  88                 req.index = CMD_USB_RD;
  89         else if (reg < 0x4000)
  90                 req.index = CMD_SYS_RD;
  91         else
  92                 req.index = CMD_IR_RD;
  93
  94         req.value = reg;
  95         req.size = len;
  96         req.data = val;
  97
  98         return rtl28xxu_ctrl_msg(d, &req);
  99 }
 100
 101 static int rtl28xxu_wr_reg(struct dvb_usb_device *d, u16 reg, u8 val)
 102 {
 103         return rtl28xxu_wr_regs(d, reg, &val, 1);
 104 }
 105
 106 static int rtl28xxu_rd_reg(struct dvb_usb_device *d, u16 reg, u8 *val)
 107 {
 108         return rtl28xxu_rd_regs(d, reg, val, 1);
 109 }
 110
 111 static int rtl28xxu_wr_reg_mask(struct dvb_usb_device *d, u16 reg, u8 val,
 112                 u8 mask)
 113 {
 114         int ret;
 115         u8 tmp;
 116
 117         /* no need for read if whole reg is written */
 118         if (mask != 0xff) {
 119                 ret = rtl28xxu_rd_reg(d, reg, &tmp);
 120                 if (ret)
 121                         return ret;
 122
 123                 val &= mask;
 124                 tmp &= ~mask;
 125                 val |= tmp;
 126         }
 127
 128         return rtl28xxu_wr_reg(d, reg, val);
 129 }
 130
 131 /* I2C */
 132 static int rtl28xxu_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[],
 133         int num)
 134 {
 135         int ret;
 136         struct dvb_usb_device *d = i2c_get_adapdata(adap);
 137         struct rtl28xxu_dev *dev = d->priv;
 138         struct rtl28xxu_req req;
 139
 140         /*
 141          * It is not known which are real I2C bus xfer limits, but testing
 142          * with RTL2831U + MT2060 gives max RD 24 and max WR 22 bytes.
 143          * TODO: find out RTL2832U lens
 144          */
 145
 146         /*
 147          * I2C adapter logic looks rather complicated due to fact it handles
 148          * three different access methods. Those methods are;
 149          * 1) integrated demod access
 150          * 2) old I2C access
 151          * 3) new I2C access
 152          *
 153          * Used method is selected in order 1, 2, 3. Method 3 can handle all
 154          * requests but there is two reasons why not use it always;
 155          * 1) It is most expensive, usually two USB messages are needed
 156          * 2) At least RTL2831U does not support it
 157          *
 158          * Method 3 is needed in case of I2C write+read (typical register read)
 159          * where write is more than one byte.
 160          */
 161
 162         if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
 163                 return -EAGAIN;
 164
 165         if (num == 2 && !(msg[0].flags & I2C_M_RD) &&
 166                 (msg[1].flags & I2C_M_RD)) {
 167                 if (msg[0].len > 24 || msg[1].len > 24) {
 168                         /* TODO: check msg[0].len max */
 169                         ret = -EOPNOTSUPP;
 170                         goto err_mutex_unlock;
 171                 } else if (msg[0].addr == 0x10) {
 172                         /* method 1 - integrated demod */
 173                         req.value = (msg[0].buf[0] << 8) | (msg[0].addr << 1);
 174                         req.index = CMD_DEMOD_RD | dev->page;
 175                         req.size = msg[1].len;
 176                         req.data = &msg[1].buf[0];
 177                         ret = rtl28xxu_ctrl_msg(d, &req);
 178                 } else if (msg[0].len < 2) {
 179                         /* method 2 - old I2C */
 180                         req.value = (msg[0].buf[0] << 8) | (msg[0].addr << 1);
 181                         req.index = CMD_I2C_RD;
 182                         req.size = msg[1].len;
 183                         req.data = &msg[1].buf[0];
 184                         ret = rtl28xxu_ctrl_msg(d, &req);
 185                 } else {
 186                         /* method 3 - new I2C */
 187                         req.value = (msg[0].addr << 1);
 188                         req.index = CMD_I2C_DA_WR;
 189                         req.size = msg[0].len;
 190                         req.data = msg[0].buf;
 191                         ret = rtl28xxu_ctrl_msg(d, &req);
 192                         if (ret)
 193                                 goto err_mutex_unlock;
 194
 195                         req.value = (msg[0].addr << 1);
 196                         req.index = CMD_I2C_DA_RD;
 197                         req.size = msg[1].len;
 198                         req.data = msg[1].buf;
 199                         ret = rtl28xxu_ctrl_msg(d, &req);
 200                 }
 201         } else if (num == 1 && !(msg[0].flags & I2C_M_RD)) {
 202                 if (msg[0].len > 22) {
 203                         /* TODO: check msg[0].len max */
 204                         ret = -EOPNOTSUPP;
 205                         goto err_mutex_unlock;
 206                 } else if (msg[0].addr == 0x10) {
 207                         /* method 1 - integrated demod */
 208                         if (msg[0].buf[0] == 0x00) {
 209                                 /* save demod page for later demod access */
 210                                 dev->page = msg[0].buf[1];
 211                                 ret = 0;
 212                         } else {
 213                                 req.value = (msg[0].buf[0] << 8) |
 214                                         (msg[0].addr << 1);
 215                                 req.index = CMD_DEMOD_WR | dev->page;
 216                                 req.size = msg[0].len-1;
 217                                 req.data = &msg[0].buf[1];
 218                                 ret = rtl28xxu_ctrl_msg(d, &req);
 219                         }
 220                 } else if ((msg[0].len < 23) && (!dev->new_i2c_write)) {
 221                         /* method 2 - old I2C */
 222                         req.value = (msg[0].buf[0] << 8) | (msg[0].addr << 1);
 223                         req.index = CMD_I2C_WR;
 224                         req.size = msg[0].len-1;
 225                         req.data = &msg[0].buf[1];
 226                         ret = rtl28xxu_ctrl_msg(d, &req);
 227                 } else {
 228                         /* method 3 - new I2C */
 229                         req.value = (msg[0].addr << 1);
 230                         req.index = CMD_I2C_DA_WR;
 231                         req.size = msg[0].len;
 232                         req.data = msg[0].buf;
 233                         ret = rtl28xxu_ctrl_msg(d, &req);
 234                 }
 235         } else if (num == 1 && (msg[0].flags & I2C_M_RD)) {
 236                 req.value = (msg[0].addr << 1);
 237                 req.index = CMD_I2C_DA_RD;
 238                 req.size = msg[0].len;
 239                 req.data = msg[0].buf;
 240                 ret = rtl28xxu_ctrl_msg(d, &req);
 241         } else {
 242                 ret = -EOPNOTSUPP;
 243         }
 244
 245 err_mutex_unlock:
 246         mutex_unlock(&d->i2c_mutex);
 247
 248         return ret ? ret : num;
 249 }
 250
 251 static u32 rtl28xxu_i2c_func(struct i2c_adapter *adapter)
 252 {
 253         return I2C_FUNC_I2C;
 254 }
 255
 256 static struct i2c_algorithm rtl28xxu_i2c_algo = {
 257         .master_xfer   = rtl28xxu_i2c_xfer,
 258         .functionality = rtl28xxu_i2c_func,
 259 };
 260
 261 static int rtl2831u_read_config(struct dvb_usb_device *d)
 262 {
 263         struct rtl28xxu_dev *dev = d_to_priv(d);
 264         int ret;
 265         u8 buf[1];
 266         /* open RTL2831U/RTL2830 I2C gate */
 267         struct rtl28xxu_req req_gate_open = {0x0120, 0x0011, 0x0001, "\x08"};
 268         /* tuner probes */
 269         struct rtl28xxu_req req_mt2060 = {0x00c0, CMD_I2C_RD, 1, buf};
 270         struct rtl28xxu_req req_qt1010 = {0x0fc4, CMD_I2C_RD, 1, buf};
 271
 272         dev_dbg(&d->intf->dev, "\n");
 273
 274         /*
 275          * RTL2831U GPIOs
 276          * =========================================================
 277          * GPIO0 | tuner#0 | 0 off | 1 on  | MXL5005S (?)
 278          * GPIO2 | LED     | 0 off | 1 on  |
 279          * GPIO4 | tuner#1 | 0 on  | 1 off | MT2060
 280          */
 281
 282         /* GPIO direction */
 283         ret = rtl28xxu_wr_reg(d, SYS_GPIO_DIR, 0x0a);
 284         if (ret)
 285                 goto err;
 286
 287         /* enable as output GPIO0, GPIO2, GPIO4 */
 288         ret = rtl28xxu_wr_reg(d, SYS_GPIO_OUT_EN, 0x15);
 289         if (ret)
 290                 goto err;
 291
 292         /*
 293          * Probe used tuner. We need to know used tuner before demod attach
 294          * since there is some demod params needed to set according to tuner.
 295          */
 296
 297         /* demod needs some time to wake up */
 298         msleep(20);
 299
 300         dev->tuner_name = "NONE";
 301
 302         /* open demod I2C gate */
 303         ret = rtl28xxu_ctrl_msg(d, &req_gate_open);
 304         if (ret)
 305                 goto err;
 306
 307         /* check QT1010 ID(?) register; reg=0f val=2c */
 308         ret = rtl28xxu_ctrl_msg(d, &req_qt1010);
 309         if (ret == 0 && buf[0] == 0x2c) {
 310                 dev->tuner = TUNER_RTL2830_QT1010;
 311                 dev->tuner_name = "QT1010";
 312                 goto found;
 313         }
 314
 315         /* open demod I2C gate */
 316         ret = rtl28xxu_ctrl_msg(d, &req_gate_open);
 317         if (ret)
 318                 goto err;
 319
 320         /* check MT2060 ID register; reg=00 val=63 */
 321         ret = rtl28xxu_ctrl_msg(d, &req_mt2060);
 322         if (ret == 0 && buf[0] == 0x63) {
 323                 dev->tuner = TUNER_RTL2830_MT2060;
 324                 dev->tuner_name = "MT2060";
 325                 goto found;
 326         }
 327
 328         /* assume MXL5005S */
 329         dev->tuner = TUNER_RTL2830_MXL5005S;
 330         dev->tuner_name = "MXL5005S";
 331         goto found;
 332
 333 found:
 334         dev_dbg(&d->intf->dev, "tuner=%s\n", dev->tuner_name);
 335
 336         return 0;
 337 err:
 338         dev_dbg(&d->intf->dev, "failed=%d\n", ret);
 339         return ret;
 340 }
 341
 342 static int rtl2832u_read_config(struct dvb_usb_device *d)
 343 {
 344         struct rtl28xxu_dev *dev = d_to_priv(d);
 345         int ret;
 346         u8 buf[2];
 347         /* open RTL2832U/RTL2832 I2C gate */
 348         struct rtl28xxu_req req_gate_open = {0x0120, 0x0011, 0x0001, "\x18"};
 349         /* close RTL2832U/RTL2832 I2C gate */
 350         struct rtl28xxu_req req_gate_close = {0x0120, 0x0011, 0x0001, "\x10"};
 351         /* tuner probes */
 352         struct rtl28xxu_req req_fc0012 = {0x00c6, CMD_I2C_RD, 1, buf};
 353         struct rtl28xxu_req req_fc0013 = {0x00c6, CMD_I2C_RD, 1, buf};
 354         struct rtl28xxu_req req_mt2266 = {0x00c0, CMD_I2C_RD, 1, buf};
 355         struct rtl28xxu_req req_fc2580 = {0x01ac, CMD_I2C_RD, 1, buf};
 356         struct rtl28xxu_req req_mt2063 = {0x00c0, CMD_I2C_RD, 1, buf};
 357         struct rtl28xxu_req req_max3543 = {0x00c0, CMD_I2C_RD, 1, buf};
 358         struct rtl28xxu_req req_tua9001 = {0x7ec0, CMD_I2C_RD, 2, buf};
 359         struct rtl28xxu_req req_mxl5007t = {0xd9c0, CMD_I2C_RD, 1, buf};
 360         struct rtl28xxu_req req_e4000 = {0x02c8, CMD_I2C_RD, 1, buf};
 361         struct rtl28xxu_req req_tda18272 = {0x00c0, CMD_I2C_RD, 2, buf};
 362         struct rtl28xxu_req req_r820t = {0x0034, CMD_I2C_RD, 1, buf};
 363         struct rtl28xxu_req req_r828d = {0x0074, CMD_I2C_RD, 1, buf};
 364         struct rtl28xxu_req req_mn88472 = {0xff38, CMD_I2C_RD, 1, buf};
 365         struct rtl28xxu_req req_mn88473 = {0xff38, CMD_I2C_RD, 1, buf};
 366         struct rtl28xxu_req req_si2157 = {0x00c0, CMD_I2C_RD, 1, buf};
 367         struct rtl28xxu_req req_si2168 = {0x00c8, CMD_I2C_RD, 1, buf};
 368
 369         dev_dbg(&d->intf->dev, "\n");
 370
 371         /* enable GPIO3 and GPIO6 as output */
 372         ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_DIR, 0x00, 0x40);
 373         if (ret)
 374                 goto err;
 375
 376         ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x48, 0x48);
 377         if (ret)
 378                 goto err;
 379
 380         /*
 381          * Probe used tuner. We need to know used tuner before demod attach
 382          * since there is some demod params needed to set according to tuner.
 383          */
 384
 385         /* open demod I2C gate */
 386         ret = rtl28xxu_ctrl_msg(d, &req_gate_open);
 387         if (ret)
 388                 goto err;
 389
 390         dev->tuner_name = "NONE";
 391
 392         /* check FC0012 ID register; reg=00 val=a1 */
 393         ret = rtl28xxu_ctrl_msg(d, &req_fc0012);
 394         if (ret == 0 && buf[0] == 0xa1) {
 395                 dev->tuner = TUNER_RTL2832_FC0012;
 396                 dev->tuner_name = "FC0012";
 397                 goto tuner_found;
 398         }
 399
 400         /* check FC0013 ID register; reg=00 val=a3 */
 401         ret = rtl28xxu_ctrl_msg(d, &req_fc0013);
 402         if (ret == 0 && buf[0] == 0xa3) {
 403                 dev->tuner = TUNER_RTL2832_FC0013;
 404                 dev->tuner_name = "FC0013";
 405                 goto tuner_found;
 406         }
 407
 408         /* check MT2266 ID register; reg=00 val=85 */
 409         ret = rtl28xxu_ctrl_msg(d, &req_mt2266);
 410         if (ret == 0 && buf[0] == 0x85) {
 411                 dev->tuner = TUNER_RTL2832_MT2266;
 412                 dev->tuner_name = "MT2266";
 413                 goto tuner_found;
 414         }
 415
 416         /* check FC2580 ID register; reg=01 val=56 */
 417         ret = rtl28xxu_ctrl_msg(d, &req_fc2580);
 418         if (ret == 0 && buf[0] == 0x56) {
 419                 dev->tuner = TUNER_RTL2832_FC2580;
 420                 dev->tuner_name = "FC2580";
 421                 goto tuner_found;
 422         }
 423
 424         /* check MT2063 ID register; reg=00 val=9e || 9c */
 425         ret = rtl28xxu_ctrl_msg(d, &req_mt2063);
 426         if (ret == 0 && (buf[0] == 0x9e || buf[0] == 0x9c)) {
 427                 dev->tuner = TUNER_RTL2832_MT2063;
 428                 dev->tuner_name = "MT2063";
 429                 goto tuner_found;
 430         }
 431
 432         /* check MAX3543 ID register; reg=00 val=38 */
 433         ret = rtl28xxu_ctrl_msg(d, &req_max3543);
 434         if (ret == 0 && buf[0] == 0x38) {
 435                 dev->tuner = TUNER_RTL2832_MAX3543;
 436                 dev->tuner_name = "MAX3543";
 437                 goto tuner_found;
 438         }
 439
 440         /* check TUA9001 ID register; reg=7e val=2328 */
 441         ret = rtl28xxu_ctrl_msg(d, &req_tua9001);
 442         if (ret == 0 && buf[0] == 0x23 && buf[1] == 0x28) {
 443                 dev->tuner = TUNER_RTL2832_TUA9001;
 444                 dev->tuner_name = "TUA9001";
 445                 goto tuner_found;
 446         }
 447
 448         /* check MXL5007R ID register; reg=d9 val=14 */
 449         ret = rtl28xxu_ctrl_msg(d, &req_mxl5007t);
 450         if (ret == 0 && buf[0] == 0x14) {
 451                 dev->tuner = TUNER_RTL2832_MXL5007T;
 452                 dev->tuner_name = "MXL5007T";
 453                 goto tuner_found;
 454         }
 455
 456         /* check E4000 ID register; reg=02 val=40 */
 457         ret = rtl28xxu_ctrl_msg(d, &req_e4000);
 458         if (ret == 0 && buf[0] == 0x40) {
 459                 dev->tuner = TUNER_RTL2832_E4000;
 460                 dev->tuner_name = "E4000";
 461                 goto tuner_found;
 462         }
 463
 464         /* check TDA18272 ID register; reg=00 val=c760  */
 465         ret = rtl28xxu_ctrl_msg(d, &req_tda18272);
 466         if (ret == 0 && (buf[0] == 0xc7 || buf[1] == 0x60)) {
 467                 dev->tuner = TUNER_RTL2832_TDA18272;
 468                 dev->tuner_name = "TDA18272";
 469                 goto tuner_found;
 470         }
 471
 472         /* check R820T ID register; reg=00 val=69 */
 473         ret = rtl28xxu_ctrl_msg(d, &req_r820t);
 474         if (ret == 0 && buf[0] == 0x69) {
 475                 dev->tuner = TUNER_RTL2832_R820T;
 476                 dev->tuner_name = "R820T";
 477                 goto tuner_found;
 478         }
 479
 480         /* check R828D ID register; reg=00 val=69 */
 481         ret = rtl28xxu_ctrl_msg(d, &req_r828d);
 482         if (ret == 0 && buf[0] == 0x69) {
 483                 dev->tuner = TUNER_RTL2832_R828D;
 484                 dev->tuner_name = "R828D";
 485                 goto tuner_found;
 486         }
 487
 488         /* GPIO0 and GPIO5 to reset Si2157/Si2168 tuner and demod */
 489         ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x00, 0x21);
 490         if (ret)
 491                 goto err;
 492
 493         ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x00, 0x21);
 494         if (ret)
 495                 goto err;
 496
 497         msleep(50);
 498
 499         ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x21, 0x21);
 500         if (ret)
 501                 goto err;
 502
 503         ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x21, 0x21);
 504         if (ret)
 505                 goto err;
 506
 507         msleep(50);
 508
 509         /* check Si2157 ID register; reg=c0 val=80 */
 510         ret = rtl28xxu_ctrl_msg(d, &req_si2157);
 511         if (ret == 0 && ((buf[0] & 0x80) == 0x80)) {
 512                 dev->tuner = TUNER_RTL2832_SI2157;
 513                 dev->tuner_name = "SI2157";
 514                 goto tuner_found;
 515         }
 516
 517 tuner_found:
 518         dev_dbg(&d->intf->dev, "tuner=%s\n", dev->tuner_name);
 519
 520         /* probe slave demod */
 521         if (dev->tuner == TUNER_RTL2832_R828D) {
 522                 /* power on MN88472 demod on GPIO0 */
 523                 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x01, 0x01);
 524                 if (ret)
 525                         goto err;
 526
 527                 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_DIR, 0x00, 0x01);
 528                 if (ret)
 529                         goto err;
 530
 531                 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x01, 0x01);
 532                 if (ret)
 533                         goto err;
 534
 535                 /* check MN88472 answers */
 536                 ret = rtl28xxu_ctrl_msg(d, &req_mn88472);
 537                 if (ret == 0 && buf[0] == 0x02) {
 538                         dev_dbg(&d->intf->dev, "MN88472 found\n");
 539                         dev->slave_demod = SLAVE_DEMOD_MN88472;
 540                         goto demod_found;
 541                 }
 542
 543                 ret = rtl28xxu_ctrl_msg(d, &req_mn88473);
 544                 if (ret == 0 && buf[0] == 0x03) {
 545                         dev_dbg(&d->intf->dev, "MN88473 found\n");
 546                         dev->slave_demod = SLAVE_DEMOD_MN88473;
 547                         goto demod_found;
 548                 }
 549         }
 550         if (dev->tuner == TUNER_RTL2832_SI2157) {
 551                 /* check Si2168 ID register; reg=c8 val=80 */
 552                 ret = rtl28xxu_ctrl_msg(d, &req_si2168);
 553                 if (ret == 0 && ((buf[0] & 0x80) == 0x80)) {
 554                         dev_dbg(&d->intf->dev, "Si2168 found\n");
 555                         dev->slave_demod = SLAVE_DEMOD_SI2168;
 556                         goto demod_found;
 557                 }
 558         }
 559
 560 demod_found:
 561         /* close demod I2C gate */
 562         ret = rtl28xxu_ctrl_msg(d, &req_gate_close);
 563         if (ret < 0)
 564                 goto err;
 565
 566         return 0;
 567 err:
 568         dev_dbg(&d->intf->dev, "failed=%d\n", ret);
 569         return ret;
 570 }
 571
 572 static int rtl28xxu_read_config(struct dvb_usb_device *d)
 573 {
 574         struct rtl28xxu_dev *dev = d_to_priv(d);
 575
 576         if (dev->chip_id == CHIP_ID_RTL2831U)
 577                 return rtl2831u_read_config(d);
 578         else
 579                 return rtl2832u_read_config(d);
 580 }
 581
 582 static int rtl28xxu_identify_state(struct dvb_usb_device *d, const char **name)
 583 {
 584         struct rtl28xxu_dev *dev = d_to_priv(d);
 585         int ret;
 586         struct rtl28xxu_req req_demod_i2c = {0x0020, CMD_I2C_DA_RD, 0, NULL};
 587
 588         dev_dbg(&d->intf->dev, "\n");
 589
 590         /*
 591          * Detect chip type using I2C command that is not supported
 592          * by old RTL2831U.
 593          */
 594         ret = rtl28xxu_ctrl_msg(d, &req_demod_i2c);
 595         if (ret == -EPIPE) {
 596                 dev->chip_id = CHIP_ID_RTL2831U;
 597         } else if (ret == 0) {
 598                 dev->chip_id = CHIP_ID_RTL2832U;
 599         } else {
 600                 dev_err(&d->intf->dev, "chip type detection failed %d\n", ret);
 601                 goto err;
 602         }
 603         dev_dbg(&d->intf->dev, "chip_id=%u\n", dev->chip_id);
 604
 605         return WARM;
 606 err:
 607         dev_dbg(&d->intf->dev, "failed=%d\n", ret);
 608         return ret;
 609 }
 610
 611 static const struct rtl2830_platform_data rtl2830_mt2060_platform_data = {
 612         .clk = 28800000,
 613         .spec_inv = 1,
 614         .vtop = 0x20,
 615         .krf = 0x04,
 616         .agc_targ_val = 0x2d,
 617
 618 };
 619
 620 static const struct rtl2830_platform_data rtl2830_qt1010_platform_data = {
 621         .clk = 28800000,
 622         .spec_inv = 1,
 623         .vtop = 0x20,
 624         .krf = 0x04,
 625         .agc_targ_val = 0x2d,
 626 };
 627
 628 static const struct rtl2830_platform_data rtl2830_mxl5005s_platform_data = {
 629         .clk = 28800000,
 630         .spec_inv = 0,
 631         .vtop = 0x3f,
 632         .krf = 0x04,
 633         .agc_targ_val = 0x3e,
 634 };
 635
 636 static int rtl2831u_frontend_attach(struct dvb_usb_adapter *adap)
 637 {
 638         struct dvb_usb_device *d = adap_to_d(adap);
 639         struct rtl28xxu_dev *dev = d_to_priv(d);
 640         struct rtl2830_platform_data *pdata = &dev->rtl2830_platform_data;
 641         struct i2c_board_info board_info;
 642         struct i2c_client *client;
 643         int ret;
 644
 645         dev_dbg(&d->intf->dev, "\n");
 646
 647         switch (dev->tuner) {
 648         case TUNER_RTL2830_QT1010:
 649                 *pdata = rtl2830_qt1010_platform_data;
 650                 break;
 651         case TUNER_RTL2830_MT2060:
 652                 *pdata = rtl2830_mt2060_platform_data;
 653                 break;
 654         case TUNER_RTL2830_MXL5005S:
 655                 *pdata = rtl2830_mxl5005s_platform_data;
 656                 break;
 657         default:
 658                 dev_err(&d->intf->dev, "unknown tuner %s\n", dev->tuner_name);
 659                 ret = -ENODEV;
 660                 goto err;
 661         }
 662
 663         /* attach demodulator */
 664         memset(&board_info, 0, sizeof(board_info));
 665         strlcpy(board_info.type, "rtl2830", I2C_NAME_SIZE);
 666         board_info.addr = 0x10;
 667         board_info.platform_data = pdata;
 668         request_module("%s", board_info.type);
 669         client = i2c_new_device(&d->i2c_adap, &board_info);
 670         if (client == NULL || client->dev.driver == NULL) {
 671                 ret = -ENODEV;
 672                 goto err;
 673         }
 674
 675         if (!try_module_get(client->dev.driver->owner)) {
 676                 i2c_unregister_device(client);
 677                 ret = -ENODEV;
 678                 goto err;
 679         }
 680
 681         adap->fe[0] = pdata->get_dvb_frontend(client);
 682         dev->demod_i2c_adapter = pdata->get_i2c_adapter(client);
 683
 684         dev->i2c_client_demod = client;
 685
 686         return 0;
 687 err:
 688         dev_dbg(&d->intf->dev, "failed=%d\n", ret);
 689         return ret;
 690 }
 691
 692 static const struct rtl2832_platform_data rtl2832_fc2580_platform_data = {
 693         .clk = 28800000,
 694         .tuner = TUNER_RTL2832_FC2580,
 695 };
 696
 697 static const struct rtl2832_platform_data rtl2832_fc0012_platform_data = {
 698         .clk = 28800000,
 699         .tuner = TUNER_RTL2832_FC0012
 700 };
 701
 702 static const struct rtl2832_platform_data rtl2832_fc0013_platform_data = {
 703         .clk = 28800000,
 704         .tuner = TUNER_RTL2832_FC0013
 705 };
 706
 707 static const struct rtl2832_platform_data rtl2832_tua9001_platform_data = {
 708         .clk = 28800000,
 709         .tuner = TUNER_RTL2832_TUA9001,
 710 };
 711
 712 static const struct rtl2832_platform_data rtl2832_e4000_platform_data = {
 713         .clk = 28800000,
 714         .tuner = TUNER_RTL2832_E4000,
 715 };
 716
 717 static const struct rtl2832_platform_data rtl2832_r820t_platform_data = {
 718         .clk = 28800000,
 719         .tuner = TUNER_RTL2832_R820T,
 720 };
 721
 722 static const struct rtl2832_platform_data rtl2832_si2157_platform_data = {
 723         .clk = 28800000,
 724         .tuner = TUNER_RTL2832_SI2157,
 725 };
 726
 727 static int rtl2832u_fc0012_tuner_callback(struct dvb_usb_device *d,
 728                 int cmd, int arg)
 729 {
 730         int ret;
 731         u8 val;
 732
 733         dev_dbg(&d->intf->dev, "cmd=%d arg=%d\n", cmd, arg);
 734
 735         switch (cmd) {
 736         case FC_FE_CALLBACK_VHF_ENABLE:
 737                 /* set output values */
 738                 ret = rtl28xxu_rd_reg(d, SYS_GPIO_OUT_VAL, &val);
 739                 if (ret)
 740                         goto err;
 741
 742                 if (arg)
 743                         val &= 0xbf; /* set GPIO6 low */
 744                 else
 745                         val |= 0x40; /* set GPIO6 high */
 746
 747
 748                 ret = rtl28xxu_wr_reg(d, SYS_GPIO_OUT_VAL, val);
 749                 if (ret)
 750                         goto err;
 751                 break;
 752         default:
 753                 ret = -EINVAL;
 754                 goto err;
 755         }
 756         return 0;
 757 err:
 758         dev_dbg(&d->intf->dev, "failed=%d\n", ret);
 759         return ret;
 760 }
 761
 762 static int rtl2832u_tua9001_tuner_callback(struct dvb_usb_device *d,
 763                 int cmd, int arg)
 764 {
 765         int ret;
 766         u8 val;
 767
 768         dev_dbg(&d->intf->dev, "cmd=%d arg=%d\n", cmd, arg);
 769
 770         /*
 771          * CEN     always enabled by hardware wiring
 772          * RESETN  GPIO4
 773          * RXEN    GPIO1
 774          */
 775
 776         switch (cmd) {
 777         case TUA9001_CMD_RESETN:
 778                 if (arg)
 779                         val = (1 << 4);
 780                 else
 781                         val = (0 << 4);
 782
 783                 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, val, 0x10);
 784                 if (ret)
 785                         goto err;
 786                 break;
 787         case TUA9001_CMD_RXEN:
 788                 if (arg)
 789                         val = (1 << 1);
 790                 else
 791                         val = (0 << 1);
 792
 793                 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, val, 0x02);
 794                 if (ret)
 795                         goto err;
 796                 break;
 797         }
 798
 799         return 0;
 800 err:
 801         dev_dbg(&d->intf->dev, "failed=%d\n", ret);
 802         return ret;
 803 }
 804
 805 static int rtl2832u_frontend_callback(void *adapter_priv, int component,
 806                 int cmd, int arg)
 807 {
 808         struct i2c_adapter *adapter = adapter_priv;
 809         struct device *parent = adapter->dev.parent;
 810         struct i2c_adapter *parent_adapter;
 811         struct dvb_usb_device *d;
 812         struct rtl28xxu_dev *dev;
 813
 814         /*
 815          * All tuners are connected to demod muxed I2C adapter. We have to
 816          * resolve its parent adapter in order to get handle for this driver
 817          * private data. That is a bit hackish solution, GPIO or direct driver
 818          * callback would be better...
 819          */
 820         if (parent != NULL && parent->type == &i2c_adapter_type)
 821                 parent_adapter = to_i2c_adapter(parent);
 822         else
 823                 return -EINVAL;
 824
 825         d = i2c_get_adapdata(parent_adapter);
 826         dev = d->priv;
 827
 828         dev_dbg(&d->intf->dev, "component=%d cmd=%d arg=%d\n",
 829                 component, cmd, arg);
 830
 831         switch (component) {
 832         case DVB_FRONTEND_COMPONENT_TUNER:
 833                 switch (dev->tuner) {
 834                 case TUNER_RTL2832_FC0012:
 835                         return rtl2832u_fc0012_tuner_callback(d, cmd, arg);
 836                 case TUNER_RTL2832_TUA9001:
 837                         return rtl2832u_tua9001_tuner_callback(d, cmd, arg);
 838                 }
 839         }
 840
 841         return 0;
 842 }
 843
 844 static int rtl2832u_frontend_attach(struct dvb_usb_adapter *adap)
 845 {
 846         struct dvb_usb_device *d = adap_to_d(adap);
 847         struct rtl28xxu_dev *dev = d_to_priv(d);
 848         struct rtl2832_platform_data *pdata = &dev->rtl2832_platform_data;
 849         struct i2c_board_info board_info;
 850         struct i2c_client *client;
 851         int ret;
 852
 853         dev_dbg(&d->intf->dev, "\n");
 854
 855         switch (dev->tuner) {
 856         case TUNER_RTL2832_FC0012:
 857                 *pdata = rtl2832_fc0012_platform_data;
 858                 break;
 859         case TUNER_RTL2832_FC0013:
 860                 *pdata = rtl2832_fc0013_platform_data;
 861                 break;
 862         case TUNER_RTL2832_FC2580:
 863                 *pdata = rtl2832_fc2580_platform_data;
 864                 break;
 865         case TUNER_RTL2832_TUA9001:
 866                 *pdata = rtl2832_tua9001_platform_data;
 867                 break;
 868         case TUNER_RTL2832_E4000:
 869                 *pdata = rtl2832_e4000_platform_data;
 870                 break;
 871         case TUNER_RTL2832_R820T:
 872         case TUNER_RTL2832_R828D:
 873                 *pdata = rtl2832_r820t_platform_data;
 874                 break;
 875         case TUNER_RTL2832_SI2157:
 876                 *pdata = rtl2832_si2157_platform_data;
 877                 break;
 878         default:
 879                 dev_err(&d->intf->dev, "unknown tuner %s\n", dev->tuner_name);
 880                 ret = -ENODEV;
 881                 goto err;
 882         }
 883
 884         /* attach demodulator */
 885         memset(&board_info, 0, sizeof(board_info));
 886         strlcpy(board_info.type, "rtl2832", I2C_NAME_SIZE);
 887         board_info.addr = 0x10;
 888         board_info.platform_data = pdata;
 889         request_module("%s", board_info.type);
 890         client = i2c_new_device(&d->i2c_adap, &board_info);
 891         if (client == NULL || client->dev.driver == NULL) {
 892                 ret = -ENODEV;
 893                 goto err;
 894         }
 895
 896         if (!try_module_get(client->dev.driver->owner)) {
 897                 i2c_unregister_device(client);
 898                 ret = -ENODEV;
 899                 goto err;
 900         }
 901
 902         adap->fe[0] = pdata->get_dvb_frontend(client);
 903         dev->demod_i2c_adapter = pdata->get_i2c_adapter(client);
 904
 905         dev->i2c_client_demod = client;
 906
 907         /* set fe callback */
 908         adap->fe[0]->callback = rtl2832u_frontend_callback;
 909
 910         if (dev->slave_demod) {
 911                 struct i2c_board_info info = {};
 912
 913                 /*
 914                  * We continue on reduced mode, without DVB-T2/C, using master
 915                  * demod, when slave demod fails.
 916                  */
 917                 ret = 0;
 918
 919                 /* attach slave demodulator */
 920                 if (dev->slave_demod == SLAVE_DEMOD_MN88472) {
 921                         struct mn88472_config mn88472_config = {};
 922
 923                         mn88472_config.fe = &adap->fe[1];
 924                         mn88472_config.i2c_wr_max = 22,
 925                         strlcpy(info.type, "mn88472", I2C_NAME_SIZE);
 926                         mn88472_config.xtal = 20500000;
 927                         mn88472_config.ts_mode = SERIAL_TS_MODE;
 928                         mn88472_config.ts_clock = VARIABLE_TS_CLOCK;
 929                         info.addr = 0x18;
 930                         info.platform_data = &mn88472_config;
 931                         request_module(info.type);
 932                         client = i2c_new_device(&d->i2c_adap, &info);
 933                         if (client == NULL || client->dev.driver == NULL) {
 934                                 dev->slave_demod = SLAVE_DEMOD_NONE;
 935                                 goto err_slave_demod_failed;
 936                         }
 937
 938                         if (!try_module_get(client->dev.driver->owner)) {
 939                                 i2c_unregister_device(client);
 940                                 dev->slave_demod = SLAVE_DEMOD_NONE;
 941                                 goto err_slave_demod_failed;
 942                         }
 943
 944                         dev->i2c_client_slave_demod = client;
 945                 } else if (dev->slave_demod == SLAVE_DEMOD_MN88473) {
 946                         struct mn88473_config mn88473_config = {};
 947
 948                         mn88473_config.fe = &adap->fe[1];
 949                         mn88473_config.i2c_wr_max = 22,
 950                         strlcpy(info.type, "mn88473", I2C_NAME_SIZE);
 951                         info.addr = 0x18;
 952                         info.platform_data = &mn88473_config;
 953                         request_module(info.type);
 954                         client = i2c_new_device(&d->i2c_adap, &info);
 955                         if (client == NULL || client->dev.driver == NULL) {
 956                                 dev->slave_demod = SLAVE_DEMOD_NONE;
 957                                 goto err_slave_demod_failed;
 958                         }
 959
 960                         if (!try_module_get(client->dev.driver->owner)) {
 961                                 i2c_unregister_device(client);
 962                                 dev->slave_demod = SLAVE_DEMOD_NONE;
 963                                 goto err_slave_demod_failed;
 964                         }
 965
 966                         dev->i2c_client_slave_demod = client;
 967                 } else {
 968                         struct si2168_config si2168_config = {};
 969                         struct i2c_adapter *adapter;
 970
 971                         si2168_config.i2c_adapter = &adapter;
 972                         si2168_config.fe = &adap->fe[1];
 973                         si2168_config.ts_mode = SI2168_TS_SERIAL;
 974                         si2168_config.ts_clock_inv = false;
 975                         si2168_config.ts_clock_gapped = true;
 976                         strlcpy(info.type, "si2168", I2C_NAME_SIZE);
 977                         info.addr = 0x64;
 978                         info.platform_data = &si2168_config;
 979                         request_module(info.type);
 980                         client = i2c_new_device(&d->i2c_adap, &info);
 981                         if (client == NULL || client->dev.driver == NULL) {
 982                                 dev->slave_demod = SLAVE_DEMOD_NONE;
 983                                 goto err_slave_demod_failed;
 984                         }
 985
 986                         if (!try_module_get(client->dev.driver->owner)) {
 987                                 i2c_unregister_device(client);
 988                                 dev->slave_demod = SLAVE_DEMOD_NONE;
 989                                 goto err_slave_demod_failed;
 990                         }
 991
 992                         dev->i2c_client_slave_demod = client;
 993
 994                         /* for Si2168 devices use only new I2C write method */
 995                         dev->new_i2c_write = true;
 996                 }
 997         }
 998         return 0;
 999 err_slave_demod_failed:
1000 err:
1001         dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1002         return ret;
1003 }
1004
1005 static int rtl28xxu_frontend_attach(struct dvb_usb_adapter *adap)
1006 {
1007         struct rtl28xxu_dev *dev = adap_to_priv(adap);
1008
1009         if (dev->chip_id == CHIP_ID_RTL2831U)
1010                 return rtl2831u_frontend_attach(adap);
1011         else
1012                 return rtl2832u_frontend_attach(adap);
1013 }
1014
1015 static int rtl28xxu_frontend_detach(struct dvb_usb_adapter *adap)
1016 {
1017         struct dvb_usb_device *d = adap_to_d(adap);
1018         struct rtl28xxu_dev *dev = d_to_priv(d);
1019         struct i2c_client *client;
1020
1021         dev_dbg(&d->intf->dev, "\n");
1022
1023         /* remove I2C slave demod */
1024         client = dev->i2c_client_slave_demod;
1025         if (client) {
1026                 module_put(client->dev.driver->owner);
1027                 i2c_unregister_device(client);
1028         }
1029
1030         /* remove I2C demod */
1031         client = dev->i2c_client_demod;
1032         if (client) {
1033                 module_put(client->dev.driver->owner);
1034                 i2c_unregister_device(client);
1035         }
1036
1037         return 0;
1038 }
1039
1040 static struct qt1010_config rtl28xxu_qt1010_config = {
1041         .i2c_address = 0x62, /* 0xc4 */
1042 };
1043
1044 static struct mt2060_config rtl28xxu_mt2060_config = {
1045         .i2c_address = 0x60, /* 0xc0 */
1046         .clock_out = 0,
1047 };
1048
1049 static struct mxl5005s_config rtl28xxu_mxl5005s_config = {
1050         .i2c_address     = 0x63, /* 0xc6 */
1051         .if_freq         = IF_FREQ_4570000HZ,
1052         .xtal_freq       = CRYSTAL_FREQ_16000000HZ,
1053         .agc_mode        = MXL_SINGLE_AGC,
1054         .tracking_filter = MXL_TF_C_H,
1055         .rssi_enable     = MXL_RSSI_ENABLE,
1056         .cap_select      = MXL_CAP_SEL_ENABLE,
1057         .div_out         = MXL_DIV_OUT_4,
1058         .clock_out       = MXL_CLOCK_OUT_DISABLE,
1059         .output_load     = MXL5005S_IF_OUTPUT_LOAD_200_OHM,
1060         .top             = MXL5005S_TOP_25P2,
1061         .mod_mode        = MXL_DIGITAL_MODE,
1062         .if_mode         = MXL_ZERO_IF,
1063         .AgcMasterByte   = 0x00,
1064 };
1065
1066 static int rtl2831u_tuner_attach(struct dvb_usb_adapter *adap)
1067 {
1068         int ret;
1069         struct dvb_usb_device *d = adap_to_d(adap);
1070         struct rtl28xxu_dev *dev = d_to_priv(d);
1071         struct dvb_frontend *fe;
1072
1073         dev_dbg(&d->intf->dev, "\n");
1074
1075         switch (dev->tuner) {
1076         case TUNER_RTL2830_QT1010:
1077                 fe = dvb_attach(qt1010_attach, adap->fe[0],
1078                                 dev->demod_i2c_adapter,
1079                                 &rtl28xxu_qt1010_config);
1080                 break;
1081         case TUNER_RTL2830_MT2060:
1082                 fe = dvb_attach(mt2060_attach, adap->fe[0],
1083                                 dev->demod_i2c_adapter,
1084                                 &rtl28xxu_mt2060_config, 1220);
1085                 break;
1086         case TUNER_RTL2830_MXL5005S:
1087                 fe = dvb_attach(mxl5005s_attach, adap->fe[0],
1088                                 dev->demod_i2c_adapter,
1089                                 &rtl28xxu_mxl5005s_config);
1090                 break;
1091         default:
1092                 fe = NULL;
1093                 dev_err(&d->intf->dev, "unknown tuner %d\n", dev->tuner);
1094         }
1095
1096         if (fe == NULL) {
1097                 ret = -ENODEV;
1098                 goto err;
1099         }
1100
1101         return 0;
1102 err:
1103         dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1104         return ret;
1105 }
1106
1107 static const struct fc0012_config rtl2832u_fc0012_config = {
1108         .i2c_address = 0x63, /* 0xc6 >> 1 */
1109         .xtal_freq = FC_XTAL_28_8_MHZ,
1110 };
1111
1112 static const struct r820t_config rtl2832u_r820t_config = {
1113         .i2c_addr = 0x1a,
1114         .xtal = 28800000,
1115         .max_i2c_msg_len = 2,
1116         .rafael_chip = CHIP_R820T,
1117 };
1118
1119 static const struct r820t_config rtl2832u_r828d_config = {
1120         .i2c_addr = 0x3a,
1121         .xtal = 16000000,
1122         .max_i2c_msg_len = 2,
1123         .rafael_chip = CHIP_R828D,
1124 };
1125
1126 static int rtl2832u_tuner_attach(struct dvb_usb_adapter *adap)
1127 {
1128         int ret;
1129         struct dvb_usb_device *d = adap_to_d(adap);
1130         struct rtl28xxu_dev *dev = d_to_priv(d);
1131         struct dvb_frontend *fe = NULL;
1132         struct i2c_board_info info;
1133         struct i2c_client *client;
1134         struct v4l2_subdev *subdev = NULL;
1135         struct platform_device *pdev;
1136         struct rtl2832_sdr_platform_data pdata;
1137
1138         dev_dbg(&d->intf->dev, "\n");
1139
1140         memset(&info, 0, sizeof(struct i2c_board_info));
1141         memset(&pdata, 0, sizeof(pdata));
1142
1143         switch (dev->tuner) {
1144         case TUNER_RTL2832_FC0012:
1145                 fe = dvb_attach(fc0012_attach, adap->fe[0],
1146                         dev->demod_i2c_adapter, &rtl2832u_fc0012_config);
1147
1148                 /* since fc0012 includs reading the signal strength delegate
1149                  * that to the tuner driver */
1150                 adap->fe[0]->ops.read_signal_strength =
1151                                 adap->fe[0]->ops.tuner_ops.get_rf_strength;
1152                 break;
1153         case TUNER_RTL2832_FC0013:
1154                 fe = dvb_attach(fc0013_attach, adap->fe[0],
1155                         dev->demod_i2c_adapter, 0xc6>>1, 0, FC_XTAL_28_8_MHZ);
1156
1157                 /* fc0013 also supports signal strength reading */
1158                 adap->fe[0]->ops.read_signal_strength =
1159                                 adap->fe[0]->ops.tuner_ops.get_rf_strength;
1160                 break;
1161         case TUNER_RTL2832_E4000: {
1162                         struct e4000_config e4000_config = {
1163                                 .fe = adap->fe[0],
1164                                 .clock = 28800000,
1165                         };
1166
1167                         strlcpy(info.type, "e4000", I2C_NAME_SIZE);
1168                         info.addr = 0x64;
1169                         info.platform_data = &e4000_config;
1170
1171                         request_module(info.type);
1172                         client = i2c_new_device(dev->demod_i2c_adapter, &info);
1173                         if (client == NULL || client->dev.driver == NULL)
1174                                 break;
1175
1176                         if (!try_module_get(client->dev.driver->owner)) {
1177                                 i2c_unregister_device(client);
1178                                 break;
1179                         }
1180
1181                         dev->i2c_client_tuner = client;
1182                         subdev = i2c_get_clientdata(client);
1183                 }
1184                 break;
1185         case TUNER_RTL2832_FC2580: {
1186                         struct fc2580_platform_data fc2580_pdata = {
1187                                 .dvb_frontend = adap->fe[0],
1188                         };
1189                         struct i2c_board_info board_info = {};
1190
1191                         strlcpy(board_info.type, "fc2580", I2C_NAME_SIZE);
1192                         board_info.addr = 0x56;
1193                         board_info.platform_data = &fc2580_pdata;
1194                         request_module("fc2580");
1195                         client = i2c_new_device(dev->demod_i2c_adapter,
1196                                                 &board_info);
1197                         if (client == NULL || client->dev.driver == NULL)
1198                                 break;
1199                         if (!try_module_get(client->dev.driver->owner)) {
1200                                 i2c_unregister_device(client);
1201                                 break;
1202                         }
1203                         dev->i2c_client_tuner = client;
1204                         subdev = fc2580_pdata.get_v4l2_subdev(client);
1205                 }
1206                 break;
1207         case TUNER_RTL2832_TUA9001: {
1208                 struct tua9001_platform_data tua9001_pdata = {
1209                         .dvb_frontend = adap->fe[0],
1210                 };
1211                 struct i2c_board_info board_info = {};
1212
1213                 /* enable GPIO1 and GPIO4 as output */
1214                 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_DIR, 0x00, 0x12);
1215                 if (ret)
1216                         goto err;
1217
1218                 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x12, 0x12);
1219                 if (ret)
1220                         goto err;
1221
1222                 strlcpy(board_info.type, "tua9001", I2C_NAME_SIZE);
1223                 board_info.addr = 0x60;
1224                 board_info.platform_data = &tua9001_pdata;
1225                 request_module("tua9001");
1226                 client = i2c_new_device(dev->demod_i2c_adapter, &board_info);
1227                 if (client == NULL || client->dev.driver == NULL)
1228                         break;
1229                 if (!try_module_get(client->dev.driver->owner)) {
1230                         i2c_unregister_device(client);
1231                         break;
1232                 }
1233                 dev->i2c_client_tuner = client;
1234                 break;
1235         }
1236         case TUNER_RTL2832_R820T:
1237                 fe = dvb_attach(r820t_attach, adap->fe[0],
1238                                 dev->demod_i2c_adapter,
1239                                 &rtl2832u_r820t_config);
1240
1241                 /* Use tuner to get the signal strength */
1242                 adap->fe[0]->ops.read_signal_strength =
1243                                 adap->fe[0]->ops.tuner_ops.get_rf_strength;
1244                 break;
1245         case TUNER_RTL2832_R828D:
1246                 fe = dvb_attach(r820t_attach, adap->fe[0],
1247                                 dev->demod_i2c_adapter,
1248                                 &rtl2832u_r828d_config);
1249                 adap->fe[0]->ops.read_signal_strength =
1250                                 adap->fe[0]->ops.tuner_ops.get_rf_strength;
1251
1252                 if (adap->fe[1]) {
1253                         fe = dvb_attach(r820t_attach, adap->fe[1],
1254                                         dev->demod_i2c_adapter,
1255                                         &rtl2832u_r828d_config);
1256                         adap->fe[1]->ops.read_signal_strength =
1257                                         adap->fe[1]->ops.tuner_ops.get_rf_strength;
1258                 }
1259                 break;
1260         case TUNER_RTL2832_SI2157: {
1261                         struct si2157_config si2157_config = {
1262                                 .fe = adap->fe[0],
1263                                 .if_port = 0,
1264                                 .inversion = false,
1265                         };
1266
1267                         strlcpy(info.type, "si2157", I2C_NAME_SIZE);
1268                         info.addr = 0x60;
1269                         info.platform_data = &si2157_config;
1270                         request_module(info.type);
1271                         client = i2c_new_device(&d->i2c_adap, &info);
1272                         if (client == NULL || client->dev.driver == NULL)
1273                                 break;
1274
1275                         if (!try_module_get(client->dev.driver->owner)) {
1276                                 i2c_unregister_device(client);
1277                                 break;
1278                         }
1279
1280                         dev->i2c_client_tuner = client;
1281                         subdev = i2c_get_clientdata(client);
1282
1283                         /* copy tuner ops for 2nd FE as tuner is shared */
1284                         if (adap->fe[1]) {
1285                                 adap->fe[1]->tuner_priv =
1286                                                 adap->fe[0]->tuner_priv;
1287                                 memcpy(&adap->fe[1]->ops.tuner_ops,
1288                                                 &adap->fe[0]->ops.tuner_ops,
1289                                                 sizeof(struct dvb_tuner_ops));
1290                         }
1291                 }
1292                 break;
1293         default:
1294                 dev_err(&d->intf->dev, "unknown tuner %d\n", dev->tuner);
1295         }
1296         if (fe == NULL && dev->i2c_client_tuner == NULL) {
1297                 ret = -ENODEV;
1298                 goto err;
1299         }
1300
1301         /* register SDR */
1302         switch (dev->tuner) {
1303         case TUNER_RTL2832_FC2580:
1304         case TUNER_RTL2832_FC0012:
1305         case TUNER_RTL2832_FC0013:
1306         case TUNER_RTL2832_E4000:
1307         case TUNER_RTL2832_R820T:
1308         case TUNER_RTL2832_R828D:
1309                 pdata.clk = dev->rtl2832_platform_data.clk;
1310                 pdata.tuner = dev->tuner;
1311                 pdata.i2c_client = dev->i2c_client_demod;
1312                 pdata.bulk_read = dev->rtl2832_platform_data.bulk_read;
1313                 pdata.bulk_write = dev->rtl2832_platform_data.bulk_write;
1314                 pdata.update_bits = dev->rtl2832_platform_data.update_bits;
1315                 pdata.dvb_frontend = adap->fe[0];
1316                 pdata.dvb_usb_device = d;
1317                 pdata.v4l2_subdev = subdev;
1318
1319                 request_module("%s", "rtl2832_sdr");
1320                 pdev = platform_device_register_data(&d->intf->dev,
1321                                                      "rtl2832_sdr",
1322                                                      PLATFORM_DEVID_AUTO,
1323                                                      &pdata, sizeof(pdata));
1324                 if (IS_ERR(pdev) || pdev->dev.driver == NULL)
1325                         break;
1326                 dev->platform_device_sdr = pdev;
1327                 break;
1328         default:
1329                 dev_dbg(&d->intf->dev, "no SDR for tuner=%d\n", dev->tuner);
1330         }
1331
1332         return 0;
1333 err:
1334         dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1335         return ret;
1336 }
1337
1338 static int rtl28xxu_tuner_attach(struct dvb_usb_adapter *adap)
1339 {
1340         struct rtl28xxu_dev *dev = adap_to_priv(adap);
1341
1342         if (dev->chip_id == CHIP_ID_RTL2831U)
1343                 return rtl2831u_tuner_attach(adap);
1344         else
1345                 return rtl2832u_tuner_attach(adap);
1346 }
1347
1348 static int rtl28xxu_tuner_detach(struct dvb_usb_adapter *adap)
1349 {
1350         struct dvb_usb_device *d = adap_to_d(adap);
1351         struct rtl28xxu_dev *dev = d_to_priv(d);
1352         struct i2c_client *client;
1353         struct platform_device *pdev;
1354
1355         dev_dbg(&d->intf->dev, "\n");
1356
1357         /* remove platform SDR */
1358         pdev = dev->platform_device_sdr;
1359         if (pdev)
1360                 platform_device_unregister(pdev);
1361
1362         /* remove I2C tuner */
1363         client = dev->i2c_client_tuner;
1364         if (client) {
1365                 module_put(client->dev.driver->owner);
1366                 i2c_unregister_device(client);
1367         }
1368
1369         return 0;
1370 }
1371
1372 static int rtl28xxu_init(struct dvb_usb_device *d)
1373 {
1374         int ret;
1375         u8 val;
1376
1377         dev_dbg(&d->intf->dev, "\n");
1378
1379         /* init USB endpoints */
1380         ret = rtl28xxu_rd_reg(d, USB_SYSCTL_0, &val);
1381         if (ret)
1382                 goto err;
1383
1384         /* enable DMA and Full Packet Mode*/
1385         val |= 0x09;
1386         ret = rtl28xxu_wr_reg(d, USB_SYSCTL_0, val);
1387         if (ret)
1388                 goto err;
1389
1390         /* set EPA maximum packet size to 0x0200 */
1391         ret = rtl28xxu_wr_regs(d, USB_EPA_MAXPKT, "\x00\x02\x00\x00", 4);
1392         if (ret)
1393                 goto err;
1394
1395         /* change EPA FIFO length */
1396         ret = rtl28xxu_wr_regs(d, USB_EPA_FIFO_CFG, "\x14\x00\x00\x00", 4);
1397         if (ret)
1398                 goto err;
1399
1400         return ret;
1401 err:
1402         dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1403         return ret;
1404 }
1405
1406 static int rtl2831u_power_ctrl(struct dvb_usb_device *d, int onoff)
1407 {
1408         int ret;
1409         u8 gpio, sys0, epa_ctl[2];
1410
1411         dev_dbg(&d->intf->dev, "onoff=%d\n", onoff);
1412
1413         /* demod adc */
1414         ret = rtl28xxu_rd_reg(d, SYS_SYS0, &sys0);
1415         if (ret)
1416                 goto err;
1417
1418         /* tuner power, read GPIOs */
1419         ret = rtl28xxu_rd_reg(d, SYS_GPIO_OUT_VAL, &gpio);
1420         if (ret)
1421                 goto err;
1422
1423         dev_dbg(&d->intf->dev, "RD SYS0=%02x GPIO_OUT_VAL=%02x\n", sys0, gpio);
1424
1425         if (onoff) {
1426                 gpio |= 0x01; /* GPIO0 = 1 */
1427                 gpio &= (~0x10); /* GPIO4 = 0 */
1428                 gpio |= 0x04; /* GPIO2 = 1, LED on */
1429                 sys0 = sys0 & 0x0f;
1430                 sys0 |= 0xe0;
1431                 epa_ctl[0] = 0x00; /* clear stall */
1432                 epa_ctl[1] = 0x00; /* clear reset */
1433         } else {
1434                 gpio &= (~0x01); /* GPIO0 = 0 */
1435                 gpio |= 0x10; /* GPIO4 = 1 */
1436                 gpio &= (~0x04); /* GPIO2 = 1, LED off */
1437                 sys0 = sys0 & (~0xc0);
1438                 epa_ctl[0] = 0x10; /* set stall */
1439                 epa_ctl[1] = 0x02; /* set reset */
1440         }
1441
1442         dev_dbg(&d->intf->dev, "WR SYS0=%02x GPIO_OUT_VAL=%02x\n", sys0, gpio);
1443
1444         /* demod adc */
1445         ret = rtl28xxu_wr_reg(d, SYS_SYS0, sys0);
1446         if (ret)
1447                 goto err;
1448
1449         /* tuner power, write GPIOs */
1450         ret = rtl28xxu_wr_reg(d, SYS_GPIO_OUT_VAL, gpio);
1451         if (ret)
1452                 goto err;
1453
1454         /* streaming EP: stall & reset */
1455         ret = rtl28xxu_wr_regs(d, USB_EPA_CTL, epa_ctl, 2);
1456         if (ret)
1457                 goto err;
1458
1459         if (onoff)
1460                 usb_clear_halt(d->udev, usb_rcvbulkpipe(d->udev, 0x81));
1461
1462         return ret;
1463 err:
1464         dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1465         return ret;
1466 }
1467
1468 static int rtl2832u_power_ctrl(struct dvb_usb_device *d, int onoff)
1469 {
1470         int ret;
1471
1472         dev_dbg(&d->intf->dev, "onoff=%d\n", onoff);
1473
1474         if (onoff) {
1475                 /* GPIO3=1, GPIO4=0 */
1476                 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x08, 0x18);
1477                 if (ret)
1478                         goto err;
1479
1480                 /* suspend? */
1481                 ret = rtl28xxu_wr_reg_mask(d, SYS_DEMOD_CTL1, 0x00, 0x10);
1482                 if (ret)
1483                         goto err;
1484
1485                 /* enable PLL */
1486                 ret = rtl28xxu_wr_reg_mask(d, SYS_DEMOD_CTL, 0x80, 0x80);
1487                 if (ret)
1488                         goto err;
1489
1490                 /* disable reset */
1491                 ret = rtl28xxu_wr_reg_mask(d, SYS_DEMOD_CTL, 0x20, 0x20);
1492                 if (ret)
1493                         goto err;
1494
1495                 /* streaming EP: clear stall & reset */
1496                 ret = rtl28xxu_wr_regs(d, USB_EPA_CTL, "\x00\x00", 2);
1497                 if (ret)
1498                         goto err;
1499
1500                 ret = usb_clear_halt(d->udev, usb_rcvbulkpipe(d->udev, 0x81));
1501                 if (ret)
1502                         goto err;
1503         } else {
1504                 /* GPIO4=1 */
1505                 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x10, 0x10);
1506                 if (ret)
1507                         goto err;
1508
1509                 /* disable PLL */
1510                 ret = rtl28xxu_wr_reg_mask(d, SYS_DEMOD_CTL, 0x00, 0x80);
1511                 if (ret)
1512                         goto err;
1513
1514                 /* streaming EP: set stall & reset */
1515                 ret = rtl28xxu_wr_regs(d, USB_EPA_CTL, "\x10\x02", 2);
1516                 if (ret)
1517                         goto err;
1518         }
1519
1520         return ret;
1521 err:
1522         dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1523         return ret;
1524 }
1525
1526 static int rtl28xxu_power_ctrl(struct dvb_usb_device *d, int onoff)
1527 {
1528         struct rtl28xxu_dev *dev = d_to_priv(d);
1529
1530         if (dev->chip_id == CHIP_ID_RTL2831U)
1531                 return rtl2831u_power_ctrl(d, onoff);
1532         else
1533                 return rtl2832u_power_ctrl(d, onoff);
1534 }
1535
1536 static int rtl28xxu_frontend_ctrl(struct dvb_frontend *fe, int onoff)
1537 {
1538         struct dvb_usb_device *d = fe_to_d(fe);
1539         struct rtl28xxu_dev *dev = fe_to_priv(fe);
1540         struct rtl2832_platform_data *pdata = &dev->rtl2832_platform_data;
1541         int ret;
1542         u8 val;
1543
1544         dev_dbg(&d->intf->dev, "fe=%d onoff=%d\n", fe->id, onoff);
1545
1546         if (dev->chip_id == CHIP_ID_RTL2831U)
1547                 return 0;
1548
1549         /* control internal demod ADC */
1550         if (fe->id == 0 && onoff)
1551                 val = 0x48; /* enable ADC */
1552         else
1553                 val = 0x00; /* disable ADC */
1554
1555         ret = rtl28xxu_wr_reg_mask(d, SYS_DEMOD_CTL, val, 0x48);
1556         if (ret)
1557                 goto err;
1558
1559         /* bypass slave demod TS through master demod */
1560         if (fe->id == 1 && onoff) {
1561                 ret = pdata->enable_slave_ts(dev->i2c_client_demod);
1562                 if (ret)
1563                         goto err;
1564         }
1565
1566         return 0;
1567 err:
1568         dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1569         return ret;
1570 }
1571
1572 #if IS_ENABLED(CONFIG_RC_CORE)
1573 static int rtl2831u_rc_query(struct dvb_usb_device *d)
1574 {
1575         int ret, i;
1576         struct rtl28xxu_dev *dev = d->priv;
1577         u8 buf[5];
1578         u32 rc_code;
1579         struct rtl28xxu_reg_val rc_nec_tab[] = {
1580                 { 0x3033, 0x80 },
1581                 { 0x3020, 0x43 },
1582                 { 0x3021, 0x16 },
1583                 { 0x3022, 0x16 },
1584                 { 0x3023, 0x5a },
1585                 { 0x3024, 0x2d },
1586                 { 0x3025, 0x16 },
1587                 { 0x3026, 0x01 },
1588                 { 0x3028, 0xb0 },
1589                 { 0x3029, 0x04 },
1590                 { 0x302c, 0x88 },
1591                 { 0x302e, 0x13 },
1592                 { 0x3030, 0xdf },
1593                 { 0x3031, 0x05 },
1594         };
1595
1596         /* init remote controller */
1597         if (!dev->rc_active) {
1598                 for (i = 0; i < ARRAY_SIZE(rc_nec_tab); i++) {
1599                         ret = rtl28xxu_wr_reg(d, rc_nec_tab[i].reg,
1600                                         rc_nec_tab[i].val);
1601                         if (ret)
1602                                 goto err;
1603                 }
1604                 dev->rc_active = true;
1605         }
1606
1607         ret = rtl28xxu_rd_regs(d, SYS_IRRC_RP, buf, 5);
1608         if (ret)
1609                 goto err;
1610
1611         if (buf[4] & 0x01) {
1612                 if (buf[2] == (u8) ~buf[3]) {
1613                         if (buf[0] == (u8) ~buf[1]) {
1614                                 /* NEC standard (16 bit) */
1615                                 rc_code = RC_SCANCODE_NEC(buf[0], buf[2]);
1616                         } else {
1617                                 /* NEC extended (24 bit) */
1618                                 rc_code = RC_SCANCODE_NECX(buf[0] << 8 | buf[1],
1619                                                            buf[2]);
1620                         }
1621                 } else {
1622                         /* NEC full (32 bit) */
1623                         rc_code = RC_SCANCODE_NEC32(buf[0] << 24 | buf[1] << 16 |
1624                                                     buf[2] << 8  | buf[3]);
1625                 }
1626
1627                 rc_keydown(d->rc_dev, RC_TYPE_NEC, rc_code, 0);
1628
1629                 ret = rtl28xxu_wr_reg(d, SYS_IRRC_SR, 1);
1630                 if (ret)
1631                         goto err;
1632
1633                 /* repeated intentionally to avoid extra keypress */
1634                 ret = rtl28xxu_wr_reg(d, SYS_IRRC_SR, 1);
1635                 if (ret)
1636                         goto err;
1637         }
1638
1639         return ret;
1640 err:
1641         dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1642         return ret;
1643 }
1644
1645 static int rtl2831u_get_rc_config(struct dvb_usb_device *d,
1646                 struct dvb_usb_rc *rc)
1647 {
1648         rc->map_name = RC_MAP_EMPTY;
1649         rc->allowed_protos = RC_BIT_NEC;
1650         rc->query = rtl2831u_rc_query;
1651         rc->interval = 400;
1652
1653         return 0;
1654 }
1655
1656 static int rtl2832u_rc_query(struct dvb_usb_device *d)
1657 {
1658         int ret, i, len;
1659         struct rtl28xxu_dev *dev = d->priv;
1660         struct ir_raw_event ev;
1661         u8 buf[128];
1662         static const struct rtl28xxu_reg_val_mask refresh_tab[] = {
1663                 {IR_RX_IF,               0x03, 0xff},
1664                 {IR_RX_BUF_CTRL,         0x80, 0xff},
1665                 {IR_RX_CTRL,             0x80, 0xff},
1666         };
1667
1668         /* init remote controller */
1669         if (!dev->rc_active) {
1670                 static const struct rtl28xxu_reg_val_mask init_tab[] = {
1671                         {SYS_DEMOD_CTL1,         0x00, 0x04},
1672                         {SYS_DEMOD_CTL1,         0x00, 0x08},
1673                         {USB_CTRL,               0x20, 0x20},
1674                         {SYS_GPIO_DIR,           0x00, 0x08},
1675                         {SYS_GPIO_OUT_EN,        0x08, 0x08},
1676                         {SYS_GPIO_OUT_VAL,       0x08, 0x08},
1677                         {IR_MAX_DURATION0,       0xd0, 0xff},
1678                         {IR_MAX_DURATION1,       0x07, 0xff},
1679                         {IR_IDLE_LEN0,           0xc0, 0xff},
1680                         {IR_IDLE_LEN1,           0x00, 0xff},
1681                         {IR_GLITCH_LEN,          0x03, 0xff},
1682                         {IR_RX_CLK,              0x09, 0xff},
1683                         {IR_RX_CFG,              0x1c, 0xff},
1684                         {IR_MAX_H_TOL_LEN,       0x1e, 0xff},
1685                         {IR_MAX_L_TOL_LEN,       0x1e, 0xff},
1686                         {IR_RX_CTRL,             0x80, 0xff},
1687                 };
1688
1689                 for (i = 0; i < ARRAY_SIZE(init_tab); i++) {
1690                         ret = rtl28xxu_wr_reg_mask(d, init_tab[i].reg,
1691                                         init_tab[i].val, init_tab[i].mask);
1692                         if (ret)
1693                                 goto err;
1694                 }
1695
1696                 dev->rc_active = true;
1697         }
1698
1699         ret = rtl28xxu_rd_reg(d, IR_RX_IF, &buf[0]);
1700         if (ret)
1701                 goto err;
1702
1703         if (buf[0] != 0x83)
1704                 goto exit;
1705
1706         ret = rtl28xxu_rd_reg(d, IR_RX_BC, &buf[0]);
1707         if (ret)
1708                 goto err;
1709
1710         len = buf[0];
1711
1712         /* read raw code from hw */
1713         ret = rtl28xxu_rd_regs(d, IR_RX_BUF, buf, len);
1714         if (ret)
1715                 goto err;
1716
1717         /* let hw receive new code */
1718         for (i = 0; i < ARRAY_SIZE(refresh_tab); i++) {
1719                 ret = rtl28xxu_wr_reg_mask(d, refresh_tab[i].reg,
1720                                 refresh_tab[i].val, refresh_tab[i].mask);
1721                 if (ret)
1722                         goto err;
1723         }
1724
1725         /* pass data to Kernel IR decoder */
1726         init_ir_raw_event(&ev);
1727
1728         for (i = 0; i < len; i++) {
1729                 ev.pulse = buf[i] >> 7;
1730                 ev.duration = 50800 * (buf[i] & 0x7f);
1731                 ir_raw_event_store_with_filter(d->rc_dev, &ev);
1732         }
1733
1734         /* 'flush' ir_raw_event_store_with_filter() */
1735         ir_raw_event_set_idle(d->rc_dev, true);
1736         ir_raw_event_handle(d->rc_dev);
1737 exit:
1738         return ret;
1739 err:
1740         dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1741         return ret;
1742 }
1743
1744 static int rtl2832u_get_rc_config(struct dvb_usb_device *d,
1745                 struct dvb_usb_rc *rc)
1746 {
1747         /* disable IR interrupts in order to avoid SDR sample loss */
1748         if (rtl28xxu_disable_rc)
1749                 return rtl28xxu_wr_reg(d, IR_RX_IE, 0x00);
1750
1751         /* load empty to enable rc */
1752         if (!rc->map_name)
1753                 rc->map_name = RC_MAP_EMPTY;
1754         rc->allowed_protos = RC_BIT_ALL;
1755         rc->driver_type = RC_DRIVER_IR_RAW;
1756         rc->query = rtl2832u_rc_query;
1757         rc->interval = 200;
1758
1759         return 0;
1760 }
1761
1762 static int rtl28xxu_get_rc_config(struct dvb_usb_device *d,
1763                 struct dvb_usb_rc *rc)
1764 {
1765         struct rtl28xxu_dev *dev = d_to_priv(d);
1766
1767         if (dev->chip_id == CHIP_ID_RTL2831U)
1768                 return rtl2831u_get_rc_config(d, rc);
1769         else
1770                 return rtl2832u_get_rc_config(d, rc);
1771 }
1772 #else
1773 #define rtl28xxu_get_rc_config NULL
1774 #endif
1775
1776 static int rtl28xxu_pid_filter_ctrl(struct dvb_usb_adapter *adap, int onoff)
1777 {
1778         struct rtl28xxu_dev *dev = adap_to_priv(adap);
1779
1780         if (dev->chip_id == CHIP_ID_RTL2831U) {
1781                 struct rtl2830_platform_data *pdata = &dev->rtl2830_platform_data;
1782
1783                 return pdata->pid_filter_ctrl(adap->fe[0], onoff);
1784         } else {
1785                 struct rtl2832_platform_data *pdata = &dev->rtl2832_platform_data;
1786
1787                 return pdata->pid_filter_ctrl(adap->fe[0], onoff);
1788         }
1789 }
1790
1791 static int rtl28xxu_pid_filter(struct dvb_usb_adapter *adap, int index,
1792                                u16 pid, int onoff)
1793 {
1794         struct rtl28xxu_dev *dev = adap_to_priv(adap);
1795
1796         if (dev->chip_id == CHIP_ID_RTL2831U) {
1797                 struct rtl2830_platform_data *pdata = &dev->rtl2830_platform_data;
1798
1799                 return pdata->pid_filter(adap->fe[0], index, pid, onoff);
1800         } else {
1801                 struct rtl2832_platform_data *pdata = &dev->rtl2832_platform_data;
1802
1803                 return pdata->pid_filter(adap->fe[0], index, pid, onoff);
1804         }
1805 }
1806
1807 static const struct dvb_usb_device_properties rtl28xxu_props = {
1808         .driver_name = KBUILD_MODNAME,
1809         .owner = THIS_MODULE,
1810         .adapter_nr = adapter_nr,
1811         .size_of_priv = sizeof(struct rtl28xxu_dev),
1812
1813         .identify_state = rtl28xxu_identify_state,
1814         .power_ctrl = rtl28xxu_power_ctrl,
1815         .frontend_ctrl = rtl28xxu_frontend_ctrl,
1816         .i2c_algo = &rtl28xxu_i2c_algo,
1817         .read_config = rtl28xxu_read_config,
1818         .frontend_attach = rtl28xxu_frontend_attach,
1819         .frontend_detach = rtl28xxu_frontend_detach,
1820         .tuner_attach = rtl28xxu_tuner_attach,
1821         .tuner_detach = rtl28xxu_tuner_detach,
1822         .init = rtl28xxu_init,
1823         .get_rc_config = rtl28xxu_get_rc_config,
1824
1825         .num_adapters = 1,
1826         .adapter = {
1827                 {
1828                         .caps = DVB_USB_ADAP_HAS_PID_FILTER |
1829                                 DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
1830
1831                         .pid_filter_count = 32,
1832                         .pid_filter_ctrl = rtl28xxu_pid_filter_ctrl,
1833                         .pid_filter = rtl28xxu_pid_filter,
1834
1835                         .stream = DVB_USB_STREAM_BULK(0x81, 6, 8 * 512),
1836                 },
1837         },
1838 };
1839
1840 static const struct usb_device_id rtl28xxu_id_table[] = {
1841         /* RTL2831U devices: */
1842         { DVB_USB_DEVICE(USB_VID_REALTEK, USB_PID_REALTEK_RTL2831U,
1843                 &rtl28xxu_props, "Realtek RTL2831U reference design", NULL) },
1844         { DVB_USB_DEVICE(USB_VID_WIDEVIEW, USB_PID_FREECOM_DVBT,
1845                 &rtl28xxu_props, "Freecom USB2.0 DVB-T", NULL) },
1846         { DVB_USB_DEVICE(USB_VID_WIDEVIEW, USB_PID_FREECOM_DVBT_2,
1847                 &rtl28xxu_props, "Freecom USB2.0 DVB-T", NULL) },
1848
1849         /* RTL2832U devices: */
1850         { DVB_USB_DEVICE(USB_VID_REALTEK, 0x2832,
1851                 &rtl28xxu_props, "Realtek RTL2832U reference design", NULL) },
1852         { DVB_USB_DEVICE(USB_VID_REALTEK, 0x2838,
1853                 &rtl28xxu_props, "Realtek RTL2832U reference design", NULL) },
1854         { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_CINERGY_T_STICK_BLACK_REV1,
1855                 &rtl28xxu_props, "TerraTec Cinergy T Stick Black", RC_MAP_TERRATEC_SLIM) },
1856         { DVB_USB_DEVICE(USB_VID_GTEK, USB_PID_DELOCK_USB2_DVBT,
1857                 &rtl28xxu_props, "G-Tek Electronics Group Lifeview LV5TDLX DVB-T", NULL) },
1858         { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_NOXON_DAB_STICK,
1859                 &rtl28xxu_props, "TerraTec NOXON DAB Stick", NULL) },
1860         { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_NOXON_DAB_STICK_REV2,
1861                 &rtl28xxu_props, "TerraTec NOXON DAB Stick (rev 2)", NULL) },
1862         { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_NOXON_DAB_STICK_REV3,
1863                 &rtl28xxu_props, "TerraTec NOXON DAB Stick (rev 3)", NULL) },
1864         { DVB_USB_DEVICE(USB_VID_GTEK, USB_PID_TREKSTOR_TERRES_2_0,
1865                 &rtl28xxu_props, "Trekstor DVB-T Stick Terres 2.0", NULL) },
1866         { DVB_USB_DEVICE(USB_VID_DEXATEK, 0x1101,
1867                 &rtl28xxu_props, "Dexatek DK DVB-T Dongle", NULL) },
1868         { DVB_USB_DEVICE(USB_VID_LEADTEK, 0x6680,
1869                 &rtl28xxu_props, "DigitalNow Quad DVB-T Receiver", NULL) },
1870         { DVB_USB_DEVICE(USB_VID_LEADTEK, USB_PID_WINFAST_DTV_DONGLE_MINID,
1871                 &rtl28xxu_props, "Leadtek Winfast DTV Dongle Mini D", NULL) },
1872         { DVB_USB_DEVICE(USB_VID_LEADTEK, USB_PID_WINFAST_DTV2000DS_PLUS,
1873                 &rtl28xxu_props, "Leadtek WinFast DTV2000DS Plus", RC_MAP_LEADTEK_Y04G0051) },
1874         { DVB_USB_DEVICE(USB_VID_TERRATEC, 0x00d3,
1875                 &rtl28xxu_props, "TerraTec Cinergy T Stick RC (Rev. 3)", NULL) },
1876         { DVB_USB_DEVICE(USB_VID_DEXATEK, 0x1102,
1877                 &rtl28xxu_props, "Dexatek DK mini DVB-T Dongle", NULL) },
1878         { DVB_USB_DEVICE(USB_VID_TERRATEC, 0x00d7,
1879                 &rtl28xxu_props, "TerraTec Cinergy T Stick+", NULL) },
1880         { DVB_USB_DEVICE(USB_VID_KWORLD_2, 0xd3a8,
1881                 &rtl28xxu_props, "ASUS My Cinema-U3100Mini Plus V2", NULL) },
1882         { DVB_USB_DEVICE(USB_VID_KWORLD_2, 0xd393,
1883                 &rtl28xxu_props, "GIGABYTE U7300", NULL) },
1884         { DVB_USB_DEVICE(USB_VID_DEXATEK, 0x1104,
1885                 &rtl28xxu_props, "MSI DIGIVOX Micro HD", NULL) },
1886         { DVB_USB_DEVICE(USB_VID_COMPRO, 0x0620,
1887                 &rtl28xxu_props, "Compro VideoMate U620F", NULL) },
1888         { DVB_USB_DEVICE(USB_VID_KWORLD_2, 0xd394,
1889                 &rtl28xxu_props, "MaxMedia HU394-T", NULL) },
1890         { DVB_USB_DEVICE(USB_VID_LEADTEK, 0x6a03,
1891                 &rtl28xxu_props, "Leadtek WinFast DTV Dongle mini", NULL) },
1892         { DVB_USB_DEVICE(USB_VID_GTEK, USB_PID_CPYTO_REDI_PC50A,
1893                 &rtl28xxu_props, "Crypto ReDi PC 50 A", NULL) },
1894         { DVB_USB_DEVICE(USB_VID_KYE, 0x707f,
1895                 &rtl28xxu_props, "Genius TVGo DVB-T03", NULL) },
1896         { DVB_USB_DEVICE(USB_VID_KWORLD_2, 0xd395,
1897                 &rtl28xxu_props, "Peak DVB-T USB", NULL) },
1898         { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_SVEON_STV20_RTL2832U,
1899                 &rtl28xxu_props, "Sveon STV20", NULL) },
1900         { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_SVEON_STV21,
1901                 &rtl28xxu_props, "Sveon STV21", NULL) },
1902         { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_SVEON_STV27,
1903                 &rtl28xxu_props, "Sveon STV27", NULL) },
1904         { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_TURBOX_DTT_2000,
1905                 &rtl28xxu_props, "TURBO-X Pure TV Tuner DTT-2000", NULL) },
1906
1907         /* RTL2832P devices: */
1908         { DVB_USB_DEVICE(USB_VID_HANFTEK, 0x0131,
1909                 &rtl28xxu_props, "Astrometa DVB-T2", NULL) },
1910         { DVB_USB_DEVICE(0x5654, 0xca42,
1911                 &rtl28xxu_props, "GoTView MasterHD 3", NULL) },
1912         { }
1913 };
1914 MODULE_DEVICE_TABLE(usb, rtl28xxu_id_table);
1915
1916 static struct usb_driver rtl28xxu_usb_driver = {
1917         .name = KBUILD_MODNAME,
1918         .id_table = rtl28xxu_id_table,
1919         .probe = dvb_usbv2_probe,
1920         .disconnect = dvb_usbv2_disconnect,
1921         .suspend = dvb_usbv2_suspend,
1922         .resume = dvb_usbv2_resume,
1923         .reset_resume = dvb_usbv2_reset_resume,
1924         .no_dynamic_id = 1,
1925         .soft_unbind = 1,
1926 };
1927
1928 module_usb_driver(rtl28xxu_usb_driver);
1929
1930 MODULE_DESCRIPTION("Realtek RTL28xxU DVB USB driver");
1931 MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
1932 MODULE_AUTHOR("Thomas Mair <thomas.mair86@googlemail.com>");
1933 MODULE_LICENSE("GPL");