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