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