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