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

   1 /*
   2  * Realtek RTL28xxU DVB USB driver
   3  *
   4  * Copyright (C) 2009 Antti Palosaari <crope@iki.fi>
   5  * Copyright (C) 2011 Antti Palosaari <crope@iki.fi>
   6  * Copyright (C) 2012 Thomas Mair <thomas.mair86@googlemail.com>
   7  *
   8  *    This program is free software; you can redistribute it and/or modify
   9  *    it under the terms of the GNU General Public License as published by
  10  *    the Free Software Foundation; either version 2 of the License, or
  11  *    (at your option) any later version.
  12  *
  13  *    This program is distributed in the hope that it will be useful,
  14  *    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  *    GNU General Public License for more details.
  17  *
  18  *    You should have received a copy of the GNU General Public License along
  19  *    with this program; if not, write to the Free Software Foundation, Inc.,
  20  *    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  21  */
  22
  23 #include "rtl28xxu.h"
  24
  25 static int rtl28xxu_disable_rc;
  26 module_param_named(disable_rc, rtl28xxu_disable_rc, int, 0644);
  27 MODULE_PARM_DESC(disable_rc, "disable RTL2832U remote controller");
  28 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
  29
  30 static int rtl28xxu_ctrl_msg(struct dvb_usb_device *d, struct rtl28xxu_req *req)
  31 {
  32         struct rtl28xxu_dev *dev = d->priv;
  33         int ret;
  34         unsigned int pipe;
  35         u8 requesttype;
  36
  37         mutex_lock(&d->usb_mutex);
  38
  39         if (req->size > sizeof(dev->buf)) {
  40                 dev_err(&d->intf->dev, "too large message %u\n", req->size);
  41                 ret = -EINVAL;
  42                 goto err_mutex_unlock;
  43         }
  44
  45         if (req->index & CMD_WR_FLAG) {
  46                 /* write */
  47                 memcpy(dev->buf, req->data, req->size);
  48                 requesttype = (USB_TYPE_VENDOR | USB_DIR_OUT);
  49                 pipe = usb_sndctrlpipe(d->udev, 0);
  50         } else {
  51                 /* read */
  52                 requesttype = (USB_TYPE_VENDOR | USB_DIR_IN);
  53
  54                 /*
  55                  * Zero-length transfers must use usb_sndctrlpipe() and
  56                  * rtl28xxu_identify_state() uses a zero-length i2c read
  57                  * command to determine the chip type.
  58                  */
  59                 if (req->size)
  60                         pipe = usb_rcvctrlpipe(d->udev, 0);
  61                 else
  62                         pipe = usb_sndctrlpipe(d->udev, 0);
  63         }
  64
  65         ret = usb_control_msg(d->udev, pipe, 0, requesttype, req->value,
  66                         req->index, dev->buf, req->size, 1000);
  67         dvb_usb_dbg_usb_control_msg(d->udev, 0, requesttype, req->value,
  68                         req->index, dev->buf, req->size);
  69         if (ret < 0)
  70                 goto err_mutex_unlock;
  71
  72         /* read request, copy returned data to return buf */
  73         if (requesttype == (USB_TYPE_VENDOR | USB_DIR_IN))
  74                 memcpy(req->data, dev->buf, req->size);
  75
  76         mutex_unlock(&d->usb_mutex);
  77
  78         return 0;
  79 err_mutex_unlock:
  80         mutex_unlock(&d->usb_mutex);
  81         dev_dbg(&d->intf->dev, "failed=%d\n", ret);
  82         return ret;
  83 }
  84
  85 static int rtl28xxu_wr_regs(struct dvb_usb_device *d, u16 reg, u8 *val, int len)
  86 {
  87         struct rtl28xxu_req req;
  88
  89         if (reg < 0x3000)
  90                 req.index = CMD_USB_WR;
  91         else if (reg < 0x4000)
  92                 req.index = CMD_SYS_WR;
  93         else
  94                 req.index = CMD_IR_WR;
  95
  96         req.value = reg;
  97         req.size = len;
  98         req.data = val;
  99
 100         return rtl28xxu_ctrl_msg(d, &req);
 101 }
 102
 103 static int rtl28xxu_rd_regs(struct dvb_usb_device *d, u16 reg, u8 *val, int len)
 104 {
 105         struct rtl28xxu_req req;
 106
 107         if (reg < 0x3000)
 108                 req.index = CMD_USB_RD;
 109         else if (reg < 0x4000)
 110                 req.index = CMD_SYS_RD;
 111         else
 112                 req.index = CMD_IR_RD;
 113
 114         req.value = reg;
 115         req.size = len;
 116         req.data = val;
 117
 118         return rtl28xxu_ctrl_msg(d, &req);
 119 }
 120
 121 static int rtl28xxu_wr_reg(struct dvb_usb_device *d, u16 reg, u8 val)
 122 {
 123         return rtl28xxu_wr_regs(d, reg, &val, 1);
 124 }
 125
 126 static int rtl28xxu_rd_reg(struct dvb_usb_device *d, u16 reg, u8 *val)
 127 {
 128         return rtl28xxu_rd_regs(d, reg, val, 1);
 129 }
 130
 131 static int rtl28xxu_wr_reg_mask(struct dvb_usb_device *d, u16 reg, u8 val,
 132                 u8 mask)
 133 {
 134         int ret;
 135         u8 tmp;
 136
 137         /* no need for read if whole reg is written */
 138         if (mask != 0xff) {
 139                 ret = rtl28xxu_rd_reg(d, reg, &tmp);
 140                 if (ret)
 141                         return ret;
 142
 143                 val &= mask;
 144                 tmp &= ~mask;
 145                 val |= tmp;
 146         }
 147
 148         return rtl28xxu_wr_reg(d, reg, val);
 149 }
 150
 151 /* I2C */
 152 static int rtl28xxu_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[],
 153         int num)
 154 {
 155         int ret;
 156         struct dvb_usb_device *d = i2c_get_adapdata(adap);
 157         struct rtl28xxu_dev *dev = d->priv;
 158         struct rtl28xxu_req req;
 159
 160         /*
 161          * It is not known which are real I2C bus xfer limits, but testing
 162          * with RTL2831U + MT2060 gives max RD 24 and max WR 22 bytes.
 163          * TODO: find out RTL2832U lens
 164          */
 165
 166         /*
 167          * I2C adapter logic looks rather complicated due to fact it handles
 168          * three different access methods. Those methods are;
 169          * 1) integrated demod access
 170          * 2) old I2C access
 171          * 3) new I2C access
 172          *
 173          * Used method is selected in order 1, 2, 3. Method 3 can handle all
 174          * requests but there is two reasons why not use it always;
 175          * 1) It is most expensive, usually two USB messages are needed
 176          * 2) At least RTL2831U does not support it
 177          *
 178          * Method 3 is needed in case of I2C write+read (typical register read)
 179          * where write is more than one byte.
 180          */
 181
 182         if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
 183                 return -EAGAIN;
 184
 185         if (num == 2 && !(msg[0].flags & I2C_M_RD) &&
 186                 (msg[1].flags & I2C_M_RD)) {
 187                 if (msg[0].len > 24 || msg[1].len > 24) {
 188                         /* TODO: check msg[0].len max */
 189                         ret = -EOPNOTSUPP;
 190                         goto err_mutex_unlock;
 191                 } else if (msg[0].addr == 0x10) {
 192                         /* method 1 - integrated demod */
 193                         req.value = (msg[0].buf[0] << 8) | (msg[0].addr << 1);
 194                         req.index = CMD_DEMOD_RD | dev->page;
 195                         req.size = msg[1].len;
 196                         req.data = &msg[1].buf[0];
 197                         ret = rtl28xxu_ctrl_msg(d, &req);
 198                 } else if (msg[0].len < 2) {
 199                         /* method 2 - old I2C */
 200                         req.value = (msg[0].buf[0] << 8) | (msg[0].addr << 1);
 201                         req.index = CMD_I2C_RD;
 202                         req.size = msg[1].len;
 203                         req.data = &msg[1].buf[0];
 204                         ret = rtl28xxu_ctrl_msg(d, &req);
 205                 } else {
 206                         /* method 3 - new I2C */
 207                         req.value = (msg[0].addr << 1);
 208                         req.index = CMD_I2C_DA_WR;
 209                         req.size = msg[0].len;
 210                         req.data = msg[0].buf;
 211                         ret = rtl28xxu_ctrl_msg(d, &req);
 212                         if (ret)
 213                                 goto err_mutex_unlock;
 214
 215                         req.value = (msg[0].addr << 1);
 216                         req.index = CMD_I2C_DA_RD;
 217                         req.size = msg[1].len;
 218                         req.data = msg[1].buf;
 219                         ret = rtl28xxu_ctrl_msg(d, &req);
 220                 }
 221         } else if (num == 1 && !(msg[0].flags & I2C_M_RD)) {
 222                 if (msg[0].len > 22) {
 223                         /* TODO: check msg[0].len max */
 224                         ret = -EOPNOTSUPP;
 225                         goto err_mutex_unlock;
 226                 } else if (msg[0].addr == 0x10) {
 227                         /* method 1 - integrated demod */
 228                         if (msg[0].buf[0] == 0x00) {
 229                                 /* save demod page for later demod access */
 230                                 dev->page = msg[0].buf[1];
 231                                 ret = 0;
 232                         } else {
 233                                 req.value = (msg[0].buf[0] << 8) |
 234                                         (msg[0].addr << 1);
 235                                 req.index = CMD_DEMOD_WR | dev->page;
 236                                 req.size = msg[0].len-1;
 237                                 req.data = &msg[0].buf[1];
 238                                 ret = rtl28xxu_ctrl_msg(d, &req);
 239                         }
 240                 } else if ((msg[0].len < 23) && (!dev->new_i2c_write)) {
 241                         /* method 2 - old I2C */
 242                         req.value = (msg[0].buf[0] << 8) | (msg[0].addr << 1);
 243                         req.index = CMD_I2C_WR;
 244                         req.size = msg[0].len-1;
 245                         req.data = &msg[0].buf[1];
 246                         ret = rtl28xxu_ctrl_msg(d, &req);
 247                 } else {
 248                         /* method 3 - new I2C */
 249                         req.value = (msg[0].addr << 1);
 250                         req.index = CMD_I2C_DA_WR;
 251                         req.size = msg[0].len;
 252                         req.data = msg[0].buf;
 253                         ret = rtl28xxu_ctrl_msg(d, &req);
 254                 }
 255         } else if (num == 1 && (msg[0].flags & I2C_M_RD)) {
 256                 req.value = (msg[0].addr << 1);
 257                 req.index = CMD_I2C_DA_RD;
 258                 req.size = msg[0].len;
 259                 req.data = msg[0].buf;
 260                 ret = rtl28xxu_ctrl_msg(d, &req);
 261         } else {
 262                 ret = -EOPNOTSUPP;
 263         }
 264
 265 err_mutex_unlock:
 266         mutex_unlock(&d->i2c_mutex);
 267
 268         return ret ? ret : num;
 269 }
 270
 271 static u32 rtl28xxu_i2c_func(struct i2c_adapter *adapter)
 272 {
 273         return I2C_FUNC_I2C;
 274 }
 275
 276 static struct i2c_algorithm rtl28xxu_i2c_algo = {
 277         .master_xfer   = rtl28xxu_i2c_xfer,
 278         .functionality = rtl28xxu_i2c_func,
 279 };
 280
 281 static int rtl2831u_read_config(struct dvb_usb_device *d)
 282 {
 283         struct rtl28xxu_dev *dev = d_to_priv(d);
 284         int ret;
 285         u8 buf[1];
 286         /* open RTL2831U/RTL2830 I2C gate */
 287         struct rtl28xxu_req req_gate_open = {0x0120, 0x0011, 0x0001, "\x08"};
 288         /* tuner probes */
 289         struct rtl28xxu_req req_mt2060 = {0x00c0, CMD_I2C_RD, 1, buf};
 290         struct rtl28xxu_req req_qt1010 = {0x0fc4, CMD_I2C_RD, 1, buf};
 291
 292         dev_dbg(&d->intf->dev, "\n");
 293
 294         /*
 295          * RTL2831U GPIOs
 296          * =========================================================
 297          * GPIO0 | tuner#0 | 0 off | 1 on  | MXL5005S (?)
 298          * GPIO2 | LED     | 0 off | 1 on  |
 299          * GPIO4 | tuner#1 | 0 on  | 1 off | MT2060
 300          */
 301
 302         /* GPIO direction */
 303         ret = rtl28xxu_wr_reg(d, SYS_GPIO_DIR, 0x0a);
 304         if (ret)
 305                 goto err;
 306
 307         /* enable as output GPIO0, GPIO2, GPIO4 */
 308         ret = rtl28xxu_wr_reg(d, SYS_GPIO_OUT_EN, 0x15);
 309         if (ret)
 310                 goto err;
 311
 312         /*
 313          * Probe used tuner. We need to know used tuner before demod attach
 314          * since there is some demod params needed to set according to tuner.
 315          */
 316
 317         /* demod needs some time to wake up */
 318         msleep(20);
 319
 320         dev->tuner_name = "NONE";
 321
 322         /* open demod I2C gate */
 323         ret = rtl28xxu_ctrl_msg(d, &req_gate_open);
 324         if (ret)
 325                 goto err;
 326
 327         /* check QT1010 ID(?) register; reg=0f val=2c */
 328         ret = rtl28xxu_ctrl_msg(d, &req_qt1010);
 329         if (ret == 0 && buf[0] == 0x2c) {
 330                 dev->tuner = TUNER_RTL2830_QT1010;
 331                 dev->tuner_name = "QT1010";
 332                 goto found;
 333         }
 334
 335         /* open demod I2C gate */
 336         ret = rtl28xxu_ctrl_msg(d, &req_gate_open);
 337         if (ret)
 338                 goto err;
 339
 340         /* check MT2060 ID register; reg=00 val=63 */
 341         ret = rtl28xxu_ctrl_msg(d, &req_mt2060);
 342         if (ret == 0 && buf[0] == 0x63) {
 343                 dev->tuner = TUNER_RTL2830_MT2060;
 344                 dev->tuner_name = "MT2060";
 345                 goto found;
 346         }
 347
 348         /* assume MXL5005S */
 349         dev->tuner = TUNER_RTL2830_MXL5005S;
 350         dev->tuner_name = "MXL5005S";
 351         goto found;
 352
 353 found:
 354         dev_dbg(&d->intf->dev, "tuner=%s\n", dev->tuner_name);
 355
 356         return 0;
 357 err:
 358         dev_dbg(&d->intf->dev, "failed=%d\n", ret);
 359         return ret;
 360 }
 361
 362 static int rtl2832u_read_config(struct dvb_usb_device *d)
 363 {
 364         struct rtl28xxu_dev *dev = d_to_priv(d);
 365         int ret;
 366         u8 buf[2];
 367         /* open RTL2832U/RTL2832 I2C gate */
 368         struct rtl28xxu_req req_gate_open = {0x0120, 0x0011, 0x0001, "\x18"};
 369         /* close RTL2832U/RTL2832 I2C gate */
 370         struct rtl28xxu_req req_gate_close = {0x0120, 0x0011, 0x0001, "\x10"};
 371         /* tuner probes */
 372         struct rtl28xxu_req req_fc0012 = {0x00c6, CMD_I2C_RD, 1, buf};
 373         struct rtl28xxu_req req_fc0013 = {0x00c6, CMD_I2C_RD, 1, buf};
 374         struct rtl28xxu_req req_mt2266 = {0x00c0, CMD_I2C_RD, 1, buf};
 375         struct rtl28xxu_req req_fc2580 = {0x01ac, CMD_I2C_RD, 1, buf};
 376         struct rtl28xxu_req req_mt2063 = {0x00c0, CMD_I2C_RD, 1, buf};
 377         struct rtl28xxu_req req_max3543 = {0x00c0, CMD_I2C_RD, 1, buf};
 378         struct rtl28xxu_req req_tua9001 = {0x7ec0, CMD_I2C_RD, 2, buf};
 379         struct rtl28xxu_req req_mxl5007t = {0xd9c0, CMD_I2C_RD, 1, buf};
 380         struct rtl28xxu_req req_e4000 = {0x02c8, CMD_I2C_RD, 1, buf};
 381         struct rtl28xxu_req req_tda18272 = {0x00c0, CMD_I2C_RD, 2, buf};
 382         struct rtl28xxu_req req_r820t = {0x0034, CMD_I2C_RD, 1, buf};
 383         struct rtl28xxu_req req_r828d = {0x0074, CMD_I2C_RD, 1, buf};
 384         struct rtl28xxu_req req_mn88472 = {0xff38, CMD_I2C_RD, 1, buf};
 385         struct rtl28xxu_req req_mn88473 = {0xff38, CMD_I2C_RD, 1, buf};
 386         struct rtl28xxu_req req_si2157 = {0x00c0, CMD_I2C_RD, 1, buf};
 387         struct rtl28xxu_req req_si2168 = {0x00c8, CMD_I2C_RD, 1, buf};
 388
 389         dev_dbg(&d->intf->dev, "\n");
 390
 391         /* enable GPIO3 and GPIO6 as output */
 392         ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_DIR, 0x00, 0x40);
 393         if (ret)
 394                 goto err;
 395
 396         ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x48, 0x48);
 397         if (ret)
 398                 goto err;
 399
 400         /*
 401          * Probe used tuner. We need to know used tuner before demod attach
 402          * since there is some demod params needed to set according to tuner.
 403          */
 404
 405         /* open demod I2C gate */
 406         ret = rtl28xxu_ctrl_msg(d, &req_gate_open);
 407         if (ret)
 408                 goto err;
 409
 410         dev->tuner_name = "NONE";
 411
 412         /* check FC0012 ID register; reg=00 val=a1 */
 413         ret = rtl28xxu_ctrl_msg(d, &req_fc0012);
 414         if (ret == 0 && buf[0] == 0xa1) {
 415                 dev->tuner = TUNER_RTL2832_FC0012;
 416                 dev->tuner_name = "FC0012";
 417                 goto tuner_found;
 418         }
 419
 420         /* check FC0013 ID register; reg=00 val=a3 */
 421         ret = rtl28xxu_ctrl_msg(d, &req_fc0013);
 422         if (ret == 0 && buf[0] == 0xa3) {
 423                 dev->tuner = TUNER_RTL2832_FC0013;
 424                 dev->tuner_name = "FC0013";
 425                 goto tuner_found;
 426         }
 427
 428         /* check MT2266 ID register; reg=00 val=85 */
 429         ret = rtl28xxu_ctrl_msg(d, &req_mt2266);
 430         if (ret == 0 && buf[0] == 0x85) {
 431                 dev->tuner = TUNER_RTL2832_MT2266;
 432                 dev->tuner_name = "MT2266";
 433                 goto tuner_found;
 434         }
 435
 436         /* check FC2580 ID register; reg=01 val=56 */
 437         ret = rtl28xxu_ctrl_msg(d, &req_fc2580);
 438         if (ret == 0 && buf[0] == 0x56) {
 439                 dev->tuner = TUNER_RTL2832_FC2580;
 440                 dev->tuner_name = "FC2580";
 441                 goto tuner_found;
 442         }
 443
 444         /* check MT2063 ID register; reg=00 val=9e || 9c */
 445         ret = rtl28xxu_ctrl_msg(d, &req_mt2063);
 446         if (ret == 0 && (buf[0] == 0x9e || buf[0] == 0x9c)) {
 447                 dev->tuner = TUNER_RTL2832_MT2063;
 448                 dev->tuner_name = "MT2063";
 449                 goto tuner_found;
 450         }
 451
 452         /* check MAX3543 ID register; reg=00 val=38 */
 453         ret = rtl28xxu_ctrl_msg(d, &req_max3543);
 454         if (ret == 0 && buf[0] == 0x38) {
 455                 dev->tuner = TUNER_RTL2832_MAX3543;
 456                 dev->tuner_name = "MAX3543";
 457                 goto tuner_found;
 458         }
 459
 460         /* check TUA9001 ID register; reg=7e val=2328 */
 461         ret = rtl28xxu_ctrl_msg(d, &req_tua9001);
 462         if (ret == 0 && buf[0] == 0x23 && buf[1] == 0x28) {
 463                 dev->tuner = TUNER_RTL2832_TUA9001;
 464                 dev->tuner_name = "TUA9001";
 465                 goto tuner_found;
 466         }
 467
 468         /* check MXL5007R ID register; reg=d9 val=14 */
 469         ret = rtl28xxu_ctrl_msg(d, &req_mxl5007t);
 470         if (ret == 0 && buf[0] == 0x14) {
 471                 dev->tuner = TUNER_RTL2832_MXL5007T;
 472                 dev->tuner_name = "MXL5007T";
 473                 goto tuner_found;
 474         }
 475
 476         /* check E4000 ID register; reg=02 val=40 */
 477         ret = rtl28xxu_ctrl_msg(d, &req_e4000);
 478         if (ret == 0 && buf[0] == 0x40) {
 479                 dev->tuner = TUNER_RTL2832_E4000;
 480                 dev->tuner_name = "E4000";
 481                 goto tuner_found;
 482         }
 483
 484         /* check TDA18272 ID register; reg=00 val=c760  */
 485         ret = rtl28xxu_ctrl_msg(d, &req_tda18272);
 486         if (ret == 0 && (buf[0] == 0xc7 || buf[1] == 0x60)) {
 487                 dev->tuner = TUNER_RTL2832_TDA18272;
 488                 dev->tuner_name = "TDA18272";
 489                 goto tuner_found;
 490         }
 491
 492         /* check R820T ID register; reg=00 val=69 */
 493         ret = rtl28xxu_ctrl_msg(d, &req_r820t);
 494         if (ret == 0 && buf[0] == 0x69) {
 495                 dev->tuner = TUNER_RTL2832_R820T;
 496                 dev->tuner_name = "R820T";
 497                 goto tuner_found;
 498         }
 499
 500         /* check R828D ID register; reg=00 val=69 */
 501         ret = rtl28xxu_ctrl_msg(d, &req_r828d);
 502         if (ret == 0 && buf[0] == 0x69) {
 503                 dev->tuner = TUNER_RTL2832_R828D;
 504                 dev->tuner_name = "R828D";
 505                 goto tuner_found;
 506         }
 507
 508         /* GPIO0 and GPIO5 to reset Si2157/Si2168 tuner and demod */
 509         ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x00, 0x21);
 510         if (ret)
 511                 goto err;
 512
 513         ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x00, 0x21);
 514         if (ret)
 515                 goto err;
 516
 517         msleep(50);
 518
 519         ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x21, 0x21);
 520         if (ret)
 521                 goto err;
 522
 523         ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x21, 0x21);
 524         if (ret)
 525                 goto err;
 526
 527         msleep(50);
 528
 529         /* check Si2157 ID register; reg=c0 val=80 */
 530         ret = rtl28xxu_ctrl_msg(d, &req_si2157);
 531         if (ret == 0 && ((buf[0] & 0x80) == 0x80)) {
 532                 dev->tuner = TUNER_RTL2832_SI2157;
 533                 dev->tuner_name = "SI2157";
 534                 goto tuner_found;
 535         }
 536
 537 tuner_found:
 538         dev_dbg(&d->intf->dev, "tuner=%s\n", dev->tuner_name);
 539
 540         /* probe slave demod */
 541         if (dev->tuner == TUNER_RTL2832_R828D) {
 542                 /* power on MN88472 demod on GPIO0 */
 543                 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x01, 0x01);
 544                 if (ret)
 545                         goto err;
 546
 547                 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_DIR, 0x00, 0x01);
 548                 if (ret)
 549                         goto err;
 550
 551                 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x01, 0x01);
 552                 if (ret)
 553                         goto err;
 554
 555                 /* check MN88472 answers */
 556                 ret = rtl28xxu_ctrl_msg(d, &req_mn88472);
 557                 if (ret == 0 && buf[0] == 0x02) {
 558                         dev_dbg(&d->intf->dev, "MN88472 found\n");
 559                         dev->slave_demod = SLAVE_DEMOD_MN88472;
 560                         goto demod_found;
 561                 }
 562
 563                 ret = rtl28xxu_ctrl_msg(d, &req_mn88473);
 564                 if (ret == 0 && buf[0] == 0x03) {
 565                         dev_dbg(&d->intf->dev, "MN88473 found\n");
 566                         dev->slave_demod = SLAVE_DEMOD_MN88473;
 567                         goto demod_found;
 568                 }
 569         }
 570         if (dev->tuner == TUNER_RTL2832_SI2157) {
 571                 /* check Si2168 ID register; reg=c8 val=80 */
 572                 ret = rtl28xxu_ctrl_msg(d, &req_si2168);
 573                 if (ret == 0 && ((buf[0] & 0x80) == 0x80)) {
 574                         dev_dbg(&d->intf->dev, "Si2168 found\n");
 575                         dev->slave_demod = SLAVE_DEMOD_SI2168;
 576                         goto demod_found;
 577                 }
 578         }
 579
 580 demod_found:
 581         /* close demod I2C gate */
 582         ret = rtl28xxu_ctrl_msg(d, &req_gate_close);
 583         if (ret < 0)
 584                 goto err;
 585
 586         return 0;
 587 err:
 588         dev_dbg(&d->intf->dev, "failed=%d\n", ret);
 589         return ret;
 590 }
 591
 592 static int rtl28xxu_read_config(struct dvb_usb_device *d)
 593 {
 594         struct rtl28xxu_dev *dev = d_to_priv(d);
 595
 596         if (dev->chip_id == CHIP_ID_RTL2831U)
 597                 return rtl2831u_read_config(d);
 598         else
 599                 return rtl2832u_read_config(d);
 600 }
 601
 602 static int rtl28xxu_identify_state(struct dvb_usb_device *d, const char **name)
 603 {
 604         struct rtl28xxu_dev *dev = d_to_priv(d);
 605         int ret;
 606         struct rtl28xxu_req req_demod_i2c = {0x0020, CMD_I2C_DA_RD, 0, NULL};
 607
 608         dev_dbg(&d->intf->dev, "\n");
 609
 610         /*
 611          * Detect chip type using I2C command that is not supported
 612          * by old RTL2831U.
 613          */
 614         ret = rtl28xxu_ctrl_msg(d, &req_demod_i2c);
 615         if (ret == -EPIPE) {
 616                 dev->chip_id = CHIP_ID_RTL2831U;
 617         } else if (ret == 0) {
 618                 dev->chip_id = CHIP_ID_RTL2832U;
 619         } else {
 620                 dev_err(&d->intf->dev, "chip type detection failed %d\n", ret);
 621                 goto err;
 622         }
 623         dev_dbg(&d->intf->dev, "chip_id=%u\n", dev->chip_id);
 624
 625         return WARM;
 626 err:
 627         dev_dbg(&d->intf->dev, "failed=%d\n", ret);
 628         return ret;
 629 }
 630
 631 static const struct rtl2830_platform_data rtl2830_mt2060_platform_data = {
 632         .clk = 28800000,
 633         .spec_inv = 1,
 634         .vtop = 0x20,
 635         .krf = 0x04,
 636         .agc_targ_val = 0x2d,
 637
 638 };
 639
 640 static const struct rtl2830_platform_data rtl2830_qt1010_platform_data = {
 641         .clk = 28800000,
 642         .spec_inv = 1,
 643         .vtop = 0x20,
 644         .krf = 0x04,
 645         .agc_targ_val = 0x2d,
 646 };
 647
 648 static const struct rtl2830_platform_data rtl2830_mxl5005s_platform_data = {
 649         .clk = 28800000,
 650         .spec_inv = 0,
 651         .vtop = 0x3f,
 652         .krf = 0x04,
 653         .agc_targ_val = 0x3e,
 654 };
 655
 656 static int rtl2831u_frontend_attach(struct dvb_usb_adapter *adap)
 657 {
 658         struct dvb_usb_device *d = adap_to_d(adap);
 659         struct rtl28xxu_dev *dev = d_to_priv(d);
 660         struct rtl2830_platform_data *pdata = &dev->rtl2830_platform_data;
 661         struct i2c_board_info board_info;
 662         struct i2c_client *client;
 663         int ret;
 664
 665         dev_dbg(&d->intf->dev, "\n");
 666
 667         switch (dev->tuner) {
 668         case TUNER_RTL2830_QT1010:
 669                 *pdata = rtl2830_qt1010_platform_data;
 670                 break;
 671         case TUNER_RTL2830_MT2060:
 672                 *pdata = rtl2830_mt2060_platform_data;
 673                 break;
 674         case TUNER_RTL2830_MXL5005S:
 675                 *pdata = rtl2830_mxl5005s_platform_data;
 676                 break;
 677         default:
 678                 dev_err(&d->intf->dev, "unknown tuner %s\n", dev->tuner_name);
 679                 ret = -ENODEV;
 680                 goto err;
 681         }
 682
 683         /* attach demodulator */
 684         memset(&board_info, 0, sizeof(board_info));
 685         strlcpy(board_info.type, "rtl2830", I2C_NAME_SIZE);
 686         board_info.addr = 0x10;
 687         board_info.platform_data = pdata;
 688         request_module("%s", board_info.type);
 689         client = i2c_new_device(&d->i2c_adap, &board_info);
 690         if (client == NULL || client->dev.driver == NULL) {
 691                 ret = -ENODEV;
 692                 goto err;
 693         }
 694
 695         if (!try_module_get(client->dev.driver->owner)) {
 696                 i2c_unregister_device(client);
 697                 ret = -ENODEV;
 698                 goto err;
 699         }
 700
 701         adap->fe[0] = pdata->get_dvb_frontend(client);
 702         dev->demod_i2c_adapter = pdata->get_i2c_adapter(client);
 703
 704         dev->i2c_client_demod = client;
 705
 706         return 0;
 707 err:
 708         dev_dbg(&d->intf->dev, "failed=%d\n", ret);
 709         return ret;
 710 }
 711
 712 static const struct rtl2832_platform_data rtl2832_fc2580_platform_data = {
 713         .clk = 28800000,
 714         .tuner = TUNER_RTL2832_FC2580,
 715 };
 716
 717 static const struct rtl2832_platform_data rtl2832_fc0012_platform_data = {
 718         .clk = 28800000,
 719         .tuner = TUNER_RTL2832_FC0012
 720 };
 721
 722 static const struct rtl2832_platform_data rtl2832_fc0013_platform_data = {
 723         .clk = 28800000,
 724         .tuner = TUNER_RTL2832_FC0013
 725 };
 726
 727 static const struct rtl2832_platform_data rtl2832_tua9001_platform_data = {
 728         .clk = 28800000,
 729         .tuner = TUNER_RTL2832_TUA9001,
 730 };
 731
 732 static const struct rtl2832_platform_data rtl2832_e4000_platform_data = {
 733         .clk = 28800000,
 734         .tuner = TUNER_RTL2832_E4000,
 735 };
 736
 737 static const struct rtl2832_platform_data rtl2832_r820t_platform_data = {
 738         .clk = 28800000,
 739         .tuner = TUNER_RTL2832_R820T,
 740 };
 741
 742 static const struct rtl2832_platform_data rtl2832_si2157_platform_data = {
 743         .clk = 28800000,
 744         .tuner = TUNER_RTL2832_SI2157,
 745 };
 746
 747 static int rtl2832u_fc0012_tuner_callback(struct dvb_usb_device *d,
 748                 int cmd, int arg)
 749 {
 750         int ret;
 751         u8 val;
 752
 753         dev_dbg(&d->intf->dev, "cmd=%d arg=%d\n", cmd, arg);
 754
 755         switch (cmd) {
 756         case FC_FE_CALLBACK_VHF_ENABLE:
 757                 /* set output values */
 758                 ret = rtl28xxu_rd_reg(d, SYS_GPIO_OUT_VAL, &val);
 759                 if (ret)
 760                         goto err;
 761
 762                 if (arg)
 763                         val &= 0xbf; /* set GPIO6 low */
 764                 else
 765                         val |= 0x40; /* set GPIO6 high */
 766
 767
 768                 ret = rtl28xxu_wr_reg(d, SYS_GPIO_OUT_VAL, val);
 769                 if (ret)
 770                         goto err;
 771                 break;
 772         default:
 773                 ret = -EINVAL;
 774                 goto err;
 775         }
 776         return 0;
 777 err:
 778         dev_dbg(&d->intf->dev, "failed=%d\n", ret);
 779         return ret;
 780 }
 781
 782 static int rtl2832u_tua9001_tuner_callback(struct dvb_usb_device *d,
 783                 int cmd, int arg)
 784 {
 785         int ret;
 786         u8 val;
 787
 788         dev_dbg(&d->intf->dev, "cmd=%d arg=%d\n", cmd, arg);
 789
 790         /*
 791          * CEN     always enabled by hardware wiring
 792          * RESETN  GPIO4
 793          * RXEN    GPIO1
 794          */
 795
 796         switch (cmd) {
 797         case TUA9001_CMD_RESETN:
 798                 if (arg)
 799                         val = (1 << 4);
 800                 else
 801                         val = (0 << 4);
 802
 803                 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, val, 0x10);
 804                 if (ret)
 805                         goto err;
 806                 break;
 807         case TUA9001_CMD_RXEN:
 808                 if (arg)
 809                         val = (1 << 1);
 810                 else
 811                         val = (0 << 1);
 812
 813                 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, val, 0x02);
 814                 if (ret)
 815                         goto err;
 816                 break;
 817         }
 818
 819         return 0;
 820 err:
 821         dev_dbg(&d->intf->dev, "failed=%d\n", ret);
 822         return ret;
 823 }
 824
 825 static int rtl2832u_frontend_callback(void *adapter_priv, int component,
 826                 int cmd, int arg)
 827 {
 828         struct i2c_adapter *adapter = adapter_priv;
 829         struct device *parent = adapter->dev.parent;
 830         struct i2c_adapter *parent_adapter;
 831         struct dvb_usb_device *d;
 832         struct rtl28xxu_dev *dev;
 833
 834         /*
 835          * All tuners are connected to demod muxed I2C adapter. We have to
 836          * resolve its parent adapter in order to get handle for this driver
 837          * private data. That is a bit hackish solution, GPIO or direct driver
 838          * callback would be better...
 839          */
 840         if (parent != NULL && parent->type == &i2c_adapter_type)
 841                 parent_adapter = to_i2c_adapter(parent);
 842         else
 843                 return -EINVAL;
 844
 845         d = i2c_get_adapdata(parent_adapter);
 846         dev = d->priv;
 847
 848         dev_dbg(&d->intf->dev, "component=%d cmd=%d arg=%d\n",
 849                 component, cmd, arg);
 850
 851         switch (component) {
 852         case DVB_FRONTEND_COMPONENT_TUNER:
 853                 switch (dev->tuner) {
 854                 case TUNER_RTL2832_FC0012:
 855                         return rtl2832u_fc0012_tuner_callback(d, cmd, arg);
 856                 case TUNER_RTL2832_TUA9001:
 857                         return rtl2832u_tua9001_tuner_callback(d, cmd, arg);
 858                 }
 859         }
 860
 861         return 0;
 862 }
 863
 864 static int rtl2832u_frontend_attach(struct dvb_usb_adapter *adap)
 865 {
 866         struct dvb_usb_device *d = adap_to_d(adap);
 867         struct rtl28xxu_dev *dev = d_to_priv(d);
 868         struct rtl2832_platform_data *pdata = &dev->rtl2832_platform_data;
 869         struct i2c_board_info board_info;
 870         struct i2c_client *client;
 871         int ret;
 872
 873         dev_dbg(&d->intf->dev, "\n");
 874
 875         switch (dev->tuner) {
 876         case TUNER_RTL2832_FC0012:
 877                 *pdata = rtl2832_fc0012_platform_data;
 878                 break;
 879         case TUNER_RTL2832_FC0013:
 880                 *pdata = rtl2832_fc0013_platform_data;
 881                 break;
 882         case TUNER_RTL2832_FC2580:
 883                 *pdata = rtl2832_fc2580_platform_data;
 884                 break;
 885         case TUNER_RTL2832_TUA9001:
 886                 *pdata = rtl2832_tua9001_platform_data;
 887                 break;
 888         case TUNER_RTL2832_E4000:
 889                 *pdata = rtl2832_e4000_platform_data;
 890                 break;
 891         case TUNER_RTL2832_R820T:
 892         case TUNER_RTL2832_R828D:
 893                 *pdata = rtl2832_r820t_platform_data;
 894                 break;
 895         case TUNER_RTL2832_SI2157:
 896                 *pdata = rtl2832_si2157_platform_data;
 897                 break;
 898         default:
 899                 dev_err(&d->intf->dev, "unknown tuner %s\n", dev->tuner_name);
 900                 ret = -ENODEV;
 901                 goto err;
 902         }
 903
 904         /* attach demodulator */
 905         memset(&board_info, 0, sizeof(board_info));
 906         strlcpy(board_info.type, "rtl2832", I2C_NAME_SIZE);
 907         board_info.addr = 0x10;
 908         board_info.platform_data = pdata;
 909         request_module("%s", board_info.type);
 910         client = i2c_new_device(&d->i2c_adap, &board_info);
 911         if (client == NULL || client->dev.driver == NULL) {
 912                 ret = -ENODEV;
 913                 goto err;
 914         }
 915
 916         if (!try_module_get(client->dev.driver->owner)) {
 917                 i2c_unregister_device(client);
 918                 ret = -ENODEV;
 919                 goto err;
 920         }
 921
 922         adap->fe[0] = pdata->get_dvb_frontend(client);
 923         dev->demod_i2c_adapter = pdata->get_i2c_adapter(client);
 924
 925         dev->i2c_client_demod = client;
 926
 927         /* set fe callback */
 928         adap->fe[0]->callback = rtl2832u_frontend_callback;
 929
 930         if (dev->slave_demod) {
 931                 struct i2c_board_info info = {};
 932
 933                 /*
 934                  * We continue on reduced mode, without DVB-T2/C, using master
 935                  * demod, when slave demod fails.
 936                  */
 937                 ret = 0;
 938
 939                 /* attach slave demodulator */
 940                 if (dev->slave_demod == SLAVE_DEMOD_MN88472) {
 941                         struct mn88472_config mn88472_config = {};
 942
 943                         mn88472_config.fe = &adap->fe[1];
 944                         mn88472_config.i2c_wr_max = 22,
 945                         strlcpy(info.type, "mn88472", I2C_NAME_SIZE);
 946                         mn88472_config.xtal = 20500000;
 947                         mn88472_config.ts_mode = SERIAL_TS_MODE;
 948                         mn88472_config.ts_clock = VARIABLE_TS_CLOCK;
 949                         info.addr = 0x18;
 950                         info.platform_data = &mn88472_config;
 951                         request_module(info.type);
 952                         client = i2c_new_device(&d->i2c_adap, &info);
 953                         if (client == NULL || client->dev.driver == NULL) {
 954                                 dev->slave_demod = SLAVE_DEMOD_NONE;
 955                                 goto err_slave_demod_failed;
 956                         }
 957
 958                         if (!try_module_get(client->dev.driver->owner)) {
 959                                 i2c_unregister_device(client);
 960                                 dev->slave_demod = SLAVE_DEMOD_NONE;
 961                                 goto err_slave_demod_failed;
 962                         }
 963
 964                         dev->i2c_client_slave_demod = client;
 965                 } else if (dev->slave_demod == SLAVE_DEMOD_MN88473) {
 966                         struct mn88473_config mn88473_config = {};
 967
 968                         mn88473_config.fe = &adap->fe[1];
 969                         mn88473_config.i2c_wr_max = 22,
 970                         strlcpy(info.type, "mn88473", I2C_NAME_SIZE);
 971                         info.addr = 0x18;
 972                         info.platform_data = &mn88473_config;
 973                         request_module(info.type);
 974                         client = i2c_new_device(&d->i2c_adap, &info);
 975                         if (client == NULL || client->dev.driver == NULL) {
 976                                 dev->slave_demod = SLAVE_DEMOD_NONE;
 977                                 goto err_slave_demod_failed;
 978                         }
 979
 980                         if (!try_module_get(client->dev.driver->owner)) {
 981                                 i2c_unregister_device(client);
 982                                 dev->slave_demod = SLAVE_DEMOD_NONE;
 983                                 goto err_slave_demod_failed;
 984                         }
 985
 986                         dev->i2c_client_slave_demod = client;
 987                 } else {
 988                         struct si2168_config si2168_config = {};
 989                         struct i2c_adapter *adapter;
 990
 991                         si2168_config.i2c_adapter = &adapter;
 992                         si2168_config.fe = &adap->fe[1];
 993                         si2168_config.ts_mode = SI2168_TS_SERIAL;
 994                         si2168_config.ts_clock_inv = false;
 995                         si2168_config.ts_clock_gapped = true;
 996                         strlcpy(info.type, "si2168", I2C_NAME_SIZE);
 997                         info.addr = 0x64;
 998                         info.platform_data = &si2168_config;
 999                         request_module(info.type);
1000                         client = i2c_new_device(&d->i2c_adap, &info);
1001                         if (client == NULL || client->dev.driver == NULL) {
1002                                 dev->slave_demod = SLAVE_DEMOD_NONE;
1003                                 goto err_slave_demod_failed;
1004                         }
1005
1006                         if (!try_module_get(client->dev.driver->owner)) {
1007                                 i2c_unregister_device(client);
1008                                 dev->slave_demod = SLAVE_DEMOD_NONE;
1009                                 goto err_slave_demod_failed;
1010                         }
1011
1012                         dev->i2c_client_slave_demod = client;
1013
1014                         /* for Si2168 devices use only new I2C write method */
1015                         dev->new_i2c_write = true;
1016                 }
1017         }
1018         return 0;
1019 err_slave_demod_failed:
1020 err:
1021         dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1022         return ret;
1023 }
1024
1025 static int rtl28xxu_frontend_attach(struct dvb_usb_adapter *adap)
1026 {
1027         struct rtl28xxu_dev *dev = adap_to_priv(adap);
1028
1029         if (dev->chip_id == CHIP_ID_RTL2831U)
1030                 return rtl2831u_frontend_attach(adap);
1031         else
1032                 return rtl2832u_frontend_attach(adap);
1033 }
1034
1035 static int rtl28xxu_frontend_detach(struct dvb_usb_adapter *adap)
1036 {
1037         struct dvb_usb_device *d = adap_to_d(adap);
1038         struct rtl28xxu_dev *dev = d_to_priv(d);
1039         struct i2c_client *client;
1040
1041         dev_dbg(&d->intf->dev, "\n");
1042
1043         /* remove I2C slave demod */
1044         client = dev->i2c_client_slave_demod;
1045         if (client) {
1046                 module_put(client->dev.driver->owner);
1047                 i2c_unregister_device(client);
1048         }
1049
1050         /* remove I2C demod */
1051         client = dev->i2c_client_demod;
1052         if (client) {
1053                 module_put(client->dev.driver->owner);
1054                 i2c_unregister_device(client);
1055         }
1056
1057         return 0;
1058 }
1059
1060 static struct qt1010_config rtl28xxu_qt1010_config = {
1061         .i2c_address = 0x62, /* 0xc4 */
1062 };
1063
1064 static struct mt2060_config rtl28xxu_mt2060_config = {
1065         .i2c_address = 0x60, /* 0xc0 */
1066         .clock_out = 0,
1067 };
1068
1069 static struct mxl5005s_config rtl28xxu_mxl5005s_config = {
1070         .i2c_address     = 0x63, /* 0xc6 */
1071         .if_freq         = IF_FREQ_4570000HZ,
1072         .xtal_freq       = CRYSTAL_FREQ_16000000HZ,
1073         .agc_mode        = MXL_SINGLE_AGC,
1074         .tracking_filter = MXL_TF_C_H,
1075         .rssi_enable     = MXL_RSSI_ENABLE,
1076         .cap_select      = MXL_CAP_SEL_ENABLE,
1077         .div_out         = MXL_DIV_OUT_4,
1078         .clock_out       = MXL_CLOCK_OUT_DISABLE,
1079         .output_load     = MXL5005S_IF_OUTPUT_LOAD_200_OHM,
1080         .top             = MXL5005S_TOP_25P2,
1081         .mod_mode        = MXL_DIGITAL_MODE,
1082         .if_mode         = MXL_ZERO_IF,
1083         .AgcMasterByte   = 0x00,
1084 };
1085
1086 static int rtl2831u_tuner_attach(struct dvb_usb_adapter *adap)
1087 {
1088         int ret;
1089         struct dvb_usb_device *d = adap_to_d(adap);
1090         struct rtl28xxu_dev *dev = d_to_priv(d);
1091         struct dvb_frontend *fe;
1092
1093         dev_dbg(&d->intf->dev, "\n");
1094
1095         switch (dev->tuner) {
1096         case TUNER_RTL2830_QT1010:
1097                 fe = dvb_attach(qt1010_attach, adap->fe[0],
1098                                 dev->demod_i2c_adapter,
1099                                 &rtl28xxu_qt1010_config);
1100                 break;
1101         case TUNER_RTL2830_MT2060:
1102                 fe = dvb_attach(mt2060_attach, adap->fe[0],
1103                                 dev->demod_i2c_adapter,
1104                                 &rtl28xxu_mt2060_config, 1220);
1105                 break;
1106         case TUNER_RTL2830_MXL5005S:
1107                 fe = dvb_attach(mxl5005s_attach, adap->fe[0],
1108                                 dev->demod_i2c_adapter,
1109                                 &rtl28xxu_mxl5005s_config);
1110                 break;
1111         default:
1112                 fe = NULL;
1113                 dev_err(&d->intf->dev, "unknown tuner %d\n", dev->tuner);
1114         }
1115
1116         if (fe == NULL) {
1117                 ret = -ENODEV;
1118                 goto err;
1119         }
1120
1121         return 0;
1122 err:
1123         dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1124         return ret;
1125 }
1126
1127 static const struct fc0012_config rtl2832u_fc0012_config = {
1128         .i2c_address = 0x63, /* 0xc6 >> 1 */
1129         .xtal_freq = FC_XTAL_28_8_MHZ,
1130 };
1131
1132 static const struct r820t_config rtl2832u_r820t_config = {
1133         .i2c_addr = 0x1a,
1134         .xtal = 28800000,
1135         .max_i2c_msg_len = 2,
1136         .rafael_chip = CHIP_R820T,
1137 };
1138
1139 static const struct r820t_config rtl2832u_r828d_config = {
1140         .i2c_addr = 0x3a,
1141         .xtal = 16000000,
1142         .max_i2c_msg_len = 2,
1143         .rafael_chip = CHIP_R828D,
1144 };
1145
1146 static int rtl2832u_tuner_attach(struct dvb_usb_adapter *adap)
1147 {
1148         int ret;
1149         struct dvb_usb_device *d = adap_to_d(adap);
1150         struct rtl28xxu_dev *dev = d_to_priv(d);
1151         struct dvb_frontend *fe = NULL;
1152         struct i2c_board_info info;
1153         struct i2c_client *client;
1154         struct v4l2_subdev *subdev = NULL;
1155         struct platform_device *pdev;
1156         struct rtl2832_sdr_platform_data pdata;
1157
1158         dev_dbg(&d->intf->dev, "\n");
1159
1160         memset(&info, 0, sizeof(struct i2c_board_info));
1161         memset(&pdata, 0, sizeof(pdata));
1162
1163         switch (dev->tuner) {
1164         case TUNER_RTL2832_FC0012:
1165                 fe = dvb_attach(fc0012_attach, adap->fe[0],
1166                         dev->demod_i2c_adapter, &rtl2832u_fc0012_config);
1167
1168                 /* since fc0012 includs reading the signal strength delegate
1169                  * that to the tuner driver */
1170                 adap->fe[0]->ops.read_signal_strength =
1171                                 adap->fe[0]->ops.tuner_ops.get_rf_strength;
1172                 break;
1173         case TUNER_RTL2832_FC0013:
1174                 fe = dvb_attach(fc0013_attach, adap->fe[0],
1175                         dev->demod_i2c_adapter, 0xc6>>1, 0, FC_XTAL_28_8_MHZ);
1176
1177                 /* fc0013 also supports signal strength reading */
1178                 adap->fe[0]->ops.read_signal_strength =
1179                                 adap->fe[0]->ops.tuner_ops.get_rf_strength;
1180                 break;
1181         case TUNER_RTL2832_E4000: {
1182                         struct e4000_config e4000_config = {
1183                                 .fe = adap->fe[0],
1184                                 .clock = 28800000,
1185                         };
1186
1187                         strlcpy(info.type, "e4000", I2C_NAME_SIZE);
1188                         info.addr = 0x64;
1189                         info.platform_data = &e4000_config;
1190
1191                         request_module(info.type);
1192                         client = i2c_new_device(dev->demod_i2c_adapter, &info);
1193                         if (client == NULL || client->dev.driver == NULL)
1194                                 break;
1195
1196                         if (!try_module_get(client->dev.driver->owner)) {
1197                                 i2c_unregister_device(client);
1198                                 break;
1199                         }
1200
1201                         dev->i2c_client_tuner = client;
1202                         subdev = i2c_get_clientdata(client);
1203                 }
1204                 break;
1205         case TUNER_RTL2832_FC2580: {
1206                         struct fc2580_platform_data fc2580_pdata = {
1207                                 .dvb_frontend = adap->fe[0],
1208                         };
1209                         struct i2c_board_info board_info = {};
1210
1211                         strlcpy(board_info.type, "fc2580", I2C_NAME_SIZE);
1212                         board_info.addr = 0x56;
1213                         board_info.platform_data = &fc2580_pdata;
1214                         request_module("fc2580");
1215                         client = i2c_new_device(dev->demod_i2c_adapter,
1216                                                 &board_info);
1217                         if (client == NULL || client->dev.driver == NULL)
1218                                 break;
1219                         if (!try_module_get(client->dev.driver->owner)) {
1220                                 i2c_unregister_device(client);
1221                                 break;
1222                         }
1223                         dev->i2c_client_tuner = client;
1224                         subdev = fc2580_pdata.get_v4l2_subdev(client);
1225                 }
1226                 break;
1227         case TUNER_RTL2832_TUA9001: {
1228                 struct tua9001_platform_data tua9001_pdata = {
1229                         .dvb_frontend = adap->fe[0],
1230                 };
1231                 struct i2c_board_info board_info = {};
1232
1233                 /* enable GPIO1 and GPIO4 as output */
1234                 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_DIR, 0x00, 0x12);
1235                 if (ret)
1236                         goto err;
1237
1238                 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x12, 0x12);
1239                 if (ret)
1240                         goto err;
1241
1242                 strlcpy(board_info.type, "tua9001", I2C_NAME_SIZE);
1243                 board_info.addr = 0x60;
1244                 board_info.platform_data = &tua9001_pdata;
1245                 request_module("tua9001");
1246                 client = i2c_new_device(dev->demod_i2c_adapter, &board_info);
1247                 if (client == NULL || client->dev.driver == NULL)
1248                         break;
1249                 if (!try_module_get(client->dev.driver->owner)) {
1250                         i2c_unregister_device(client);
1251                         break;
1252                 }
1253                 dev->i2c_client_tuner = client;
1254                 break;
1255         }
1256         case TUNER_RTL2832_R820T:
1257                 fe = dvb_attach(r820t_attach, adap->fe[0],
1258                                 dev->demod_i2c_adapter,
1259                                 &rtl2832u_r820t_config);
1260
1261                 /* Use tuner to get the signal strength */
1262                 adap->fe[0]->ops.read_signal_strength =
1263                                 adap->fe[0]->ops.tuner_ops.get_rf_strength;
1264                 break;
1265         case TUNER_RTL2832_R828D:
1266                 fe = dvb_attach(r820t_attach, adap->fe[0],
1267                                 dev->demod_i2c_adapter,
1268                                 &rtl2832u_r828d_config);
1269                 adap->fe[0]->ops.read_signal_strength =
1270                                 adap->fe[0]->ops.tuner_ops.get_rf_strength;
1271
1272                 if (adap->fe[1]) {
1273                         fe = dvb_attach(r820t_attach, adap->fe[1],
1274                                         dev->demod_i2c_adapter,
1275                                         &rtl2832u_r828d_config);
1276                         adap->fe[1]->ops.read_signal_strength =
1277                                         adap->fe[1]->ops.tuner_ops.get_rf_strength;
1278                 }
1279                 break;
1280         case TUNER_RTL2832_SI2157: {
1281                         struct si2157_config si2157_config = {
1282                                 .fe = adap->fe[0],
1283                                 .if_port = 0,
1284                                 .inversion = false,
1285                         };
1286
1287                         strlcpy(info.type, "si2157", I2C_NAME_SIZE);
1288                         info.addr = 0x60;
1289                         info.platform_data = &si2157_config;
1290                         request_module(info.type);
1291                         client = i2c_new_device(&d->i2c_adap, &info);
1292                         if (client == NULL || client->dev.driver == NULL)
1293                                 break;
1294
1295                         if (!try_module_get(client->dev.driver->owner)) {
1296                                 i2c_unregister_device(client);
1297                                 break;
1298                         }
1299
1300                         dev->i2c_client_tuner = client;
1301                         subdev = i2c_get_clientdata(client);
1302
1303                         /* copy tuner ops for 2nd FE as tuner is shared */
1304                         if (adap->fe[1]) {
1305                                 adap->fe[1]->tuner_priv =
1306                                                 adap->fe[0]->tuner_priv;
1307                                 memcpy(&adap->fe[1]->ops.tuner_ops,
1308                                                 &adap->fe[0]->ops.tuner_ops,
1309                                                 sizeof(struct dvb_tuner_ops));
1310                         }
1311                 }
1312                 break;
1313         default:
1314                 dev_err(&d->intf->dev, "unknown tuner %d\n", dev->tuner);
1315         }
1316         if (fe == NULL && dev->i2c_client_tuner == NULL) {
1317                 ret = -ENODEV;
1318                 goto err;
1319         }
1320
1321         /* register SDR */
1322         switch (dev->tuner) {
1323         case TUNER_RTL2832_FC2580:
1324         case TUNER_RTL2832_FC0012:
1325         case TUNER_RTL2832_FC0013:
1326         case TUNER_RTL2832_E4000:
1327         case TUNER_RTL2832_R820T:
1328         case TUNER_RTL2832_R828D:
1329                 pdata.clk = dev->rtl2832_platform_data.clk;
1330                 pdata.tuner = dev->tuner;
1331                 pdata.i2c_client = dev->i2c_client_demod;
1332                 pdata.bulk_read = dev->rtl2832_platform_data.bulk_read;
1333                 pdata.bulk_write = dev->rtl2832_platform_data.bulk_write;
1334                 pdata.update_bits = dev->rtl2832_platform_data.update_bits;
1335                 pdata.dvb_frontend = adap->fe[0];
1336                 pdata.dvb_usb_device = d;
1337                 pdata.v4l2_subdev = subdev;
1338
1339                 request_module("%s", "rtl2832_sdr");
1340                 pdev = platform_device_register_data(&d->intf->dev,
1341                                                      "rtl2832_sdr",
1342                                                      PLATFORM_DEVID_AUTO,
1343                                                      &pdata, sizeof(pdata));
1344                 if (IS_ERR(pdev) || pdev->dev.driver == NULL)
1345                         break;
1346                 dev->platform_device_sdr = pdev;
1347                 break;
1348         default:
1349                 dev_dbg(&d->intf->dev, "no SDR for tuner=%d\n", dev->tuner);
1350         }
1351
1352         return 0;
1353 err:
1354         dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1355         return ret;
1356 }
1357
1358 static int rtl28xxu_tuner_attach(struct dvb_usb_adapter *adap)
1359 {
1360         struct rtl28xxu_dev *dev = adap_to_priv(adap);
1361
1362         if (dev->chip_id == CHIP_ID_RTL2831U)
1363                 return rtl2831u_tuner_attach(adap);
1364         else
1365                 return rtl2832u_tuner_attach(adap);
1366 }
1367
1368 static int rtl28xxu_tuner_detach(struct dvb_usb_adapter *adap)
1369 {
1370         struct dvb_usb_device *d = adap_to_d(adap);
1371         struct rtl28xxu_dev *dev = d_to_priv(d);
1372         struct i2c_client *client;
1373         struct platform_device *pdev;
1374
1375         dev_dbg(&d->intf->dev, "\n");
1376
1377         /* remove platform SDR */
1378         pdev = dev->platform_device_sdr;
1379         if (pdev)
1380                 platform_device_unregister(pdev);
1381
1382         /* remove I2C tuner */
1383         client = dev->i2c_client_tuner;
1384         if (client) {
1385                 module_put(client->dev.driver->owner);
1386                 i2c_unregister_device(client);
1387         }
1388
1389         return 0;
1390 }
1391
1392 static int rtl28xxu_init(struct dvb_usb_device *d)
1393 {
1394         int ret;
1395         u8 val;
1396
1397         dev_dbg(&d->intf->dev, "\n");
1398
1399         /* init USB endpoints */
1400         ret = rtl28xxu_rd_reg(d, USB_SYSCTL_0, &val);
1401         if (ret)
1402                 goto err;
1403
1404         /* enable DMA and Full Packet Mode*/
1405         val |= 0x09;
1406         ret = rtl28xxu_wr_reg(d, USB_SYSCTL_0, val);
1407         if (ret)
1408                 goto err;
1409
1410         /* set EPA maximum packet size to 0x0200 */
1411         ret = rtl28xxu_wr_regs(d, USB_EPA_MAXPKT, "\x00\x02\x00\x00", 4);
1412         if (ret)
1413                 goto err;
1414
1415         /* change EPA FIFO length */
1416         ret = rtl28xxu_wr_regs(d, USB_EPA_FIFO_CFG, "\x14\x00\x00\x00", 4);
1417         if (ret)
1418                 goto err;
1419
1420         return ret;
1421 err:
1422         dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1423         return ret;
1424 }
1425
1426 static int rtl2831u_power_ctrl(struct dvb_usb_device *d, int onoff)
1427 {
1428         int ret;
1429         u8 gpio, sys0, epa_ctl[2];
1430
1431         dev_dbg(&d->intf->dev, "onoff=%d\n", onoff);
1432
1433         /* demod adc */
1434         ret = rtl28xxu_rd_reg(d, SYS_SYS0, &sys0);
1435         if (ret)
1436                 goto err;
1437
1438         /* tuner power, read GPIOs */
1439         ret = rtl28xxu_rd_reg(d, SYS_GPIO_OUT_VAL, &gpio);
1440         if (ret)
1441                 goto err;
1442
1443         dev_dbg(&d->intf->dev, "RD SYS0=%02x GPIO_OUT_VAL=%02x\n", sys0, gpio);
1444
1445         if (onoff) {
1446                 gpio |= 0x01; /* GPIO0 = 1 */
1447                 gpio &= (~0x10); /* GPIO4 = 0 */
1448                 gpio |= 0x04; /* GPIO2 = 1, LED on */
1449                 sys0 = sys0 & 0x0f;
1450                 sys0 |= 0xe0;
1451                 epa_ctl[0] = 0x00; /* clear stall */
1452                 epa_ctl[1] = 0x00; /* clear reset */
1453         } else {
1454                 gpio &= (~0x01); /* GPIO0 = 0 */
1455                 gpio |= 0x10; /* GPIO4 = 1 */
1456                 gpio &= (~0x04); /* GPIO2 = 1, LED off */
1457                 sys0 = sys0 & (~0xc0);
1458                 epa_ctl[0] = 0x10; /* set stall */
1459                 epa_ctl[1] = 0x02; /* set reset */
1460         }
1461
1462         dev_dbg(&d->intf->dev, "WR SYS0=%02x GPIO_OUT_VAL=%02x\n", sys0, gpio);
1463
1464         /* demod adc */
1465         ret = rtl28xxu_wr_reg(d, SYS_SYS0, sys0);
1466         if (ret)
1467                 goto err;
1468
1469         /* tuner power, write GPIOs */
1470         ret = rtl28xxu_wr_reg(d, SYS_GPIO_OUT_VAL, gpio);
1471         if (ret)
1472                 goto err;
1473
1474         /* streaming EP: stall & reset */
1475         ret = rtl28xxu_wr_regs(d, USB_EPA_CTL, epa_ctl, 2);
1476         if (ret)
1477                 goto err;
1478
1479         if (onoff)
1480                 usb_clear_halt(d->udev, usb_rcvbulkpipe(d->udev, 0x81));
1481
1482         return ret;
1483 err:
1484         dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1485         return ret;
1486 }
1487
1488 static int rtl2832u_power_ctrl(struct dvb_usb_device *d, int onoff)
1489 {
1490         int ret;
1491
1492         dev_dbg(&d->intf->dev, "onoff=%d\n", onoff);
1493
1494         if (onoff) {
1495                 /* GPIO3=1, GPIO4=0 */
1496                 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x08, 0x18);
1497                 if (ret)
1498                         goto err;
1499
1500                 /* suspend? */
1501                 ret = rtl28xxu_wr_reg_mask(d, SYS_DEMOD_CTL1, 0x00, 0x10);
1502                 if (ret)
1503                         goto err;
1504
1505                 /* enable PLL */
1506                 ret = rtl28xxu_wr_reg_mask(d, SYS_DEMOD_CTL, 0x80, 0x80);
1507                 if (ret)
1508                         goto err;
1509
1510                 /* disable reset */
1511                 ret = rtl28xxu_wr_reg_mask(d, SYS_DEMOD_CTL, 0x20, 0x20);
1512                 if (ret)
1513                         goto err;
1514
1515                 /* streaming EP: clear stall & reset */
1516                 ret = rtl28xxu_wr_regs(d, USB_EPA_CTL, "\x00\x00", 2);
1517                 if (ret)
1518                         goto err;
1519
1520                 ret = usb_clear_halt(d->udev, usb_rcvbulkpipe(d->udev, 0x81));
1521                 if (ret)
1522                         goto err;
1523         } else {
1524                 /* GPIO4=1 */
1525                 ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x10, 0x10);
1526                 if (ret)
1527                         goto err;
1528
1529                 /* disable PLL */
1530                 ret = rtl28xxu_wr_reg_mask(d, SYS_DEMOD_CTL, 0x00, 0x80);
1531                 if (ret)
1532                         goto err;
1533
1534                 /* streaming EP: set stall & reset */
1535                 ret = rtl28xxu_wr_regs(d, USB_EPA_CTL, "\x10\x02", 2);
1536                 if (ret)
1537                         goto err;
1538         }
1539
1540         return ret;
1541 err:
1542         dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1543         return ret;
1544 }
1545
1546 static int rtl28xxu_power_ctrl(struct dvb_usb_device *d, int onoff)
1547 {
1548         struct rtl28xxu_dev *dev = d_to_priv(d);
1549
1550         if (dev->chip_id == CHIP_ID_RTL2831U)
1551                 return rtl2831u_power_ctrl(d, onoff);
1552         else
1553                 return rtl2832u_power_ctrl(d, onoff);
1554 }
1555
1556 static int rtl28xxu_frontend_ctrl(struct dvb_frontend *fe, int onoff)
1557 {
1558         struct dvb_usb_device *d = fe_to_d(fe);
1559         struct rtl28xxu_dev *dev = fe_to_priv(fe);
1560         struct rtl2832_platform_data *pdata = &dev->rtl2832_platform_data;
1561         int ret;
1562         u8 val;
1563
1564         dev_dbg(&d->intf->dev, "fe=%d onoff=%d\n", fe->id, onoff);
1565
1566         if (dev->chip_id == CHIP_ID_RTL2831U)
1567                 return 0;
1568
1569         /* control internal demod ADC */
1570         if (fe->id == 0 && onoff)
1571                 val = 0x48; /* enable ADC */
1572         else
1573                 val = 0x00; /* disable ADC */
1574
1575         ret = rtl28xxu_wr_reg_mask(d, SYS_DEMOD_CTL, val, 0x48);
1576         if (ret)
1577                 goto err;
1578
1579         /* bypass slave demod TS through master demod */
1580         if (fe->id == 1 && onoff) {
1581                 ret = pdata->enable_slave_ts(dev->i2c_client_demod);
1582                 if (ret)
1583                         goto err;
1584         }
1585
1586         return 0;
1587 err:
1588         dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1589         return ret;
1590 }
1591
1592 #if IS_ENABLED(CONFIG_RC_CORE)
1593 static int rtl2831u_rc_query(struct dvb_usb_device *d)
1594 {
1595         int ret, i;
1596         struct rtl28xxu_dev *dev = d->priv;
1597         u8 buf[5];
1598         u32 rc_code;
1599         struct rtl28xxu_reg_val rc_nec_tab[] = {
1600                 { 0x3033, 0x80 },
1601                 { 0x3020, 0x43 },
1602                 { 0x3021, 0x16 },
1603                 { 0x3022, 0x16 },
1604                 { 0x3023, 0x5a },
1605                 { 0x3024, 0x2d },
1606                 { 0x3025, 0x16 },
1607                 { 0x3026, 0x01 },
1608                 { 0x3028, 0xb0 },
1609                 { 0x3029, 0x04 },
1610                 { 0x302c, 0x88 },
1611                 { 0x302e, 0x13 },
1612                 { 0x3030, 0xdf },
1613                 { 0x3031, 0x05 },
1614         };
1615
1616         /* init remote controller */
1617         if (!dev->rc_active) {
1618                 for (i = 0; i < ARRAY_SIZE(rc_nec_tab); i++) {
1619                         ret = rtl28xxu_wr_reg(d, rc_nec_tab[i].reg,
1620                                         rc_nec_tab[i].val);
1621                         if (ret)
1622                                 goto err;
1623                 }
1624                 dev->rc_active = true;
1625         }
1626
1627         ret = rtl28xxu_rd_regs(d, SYS_IRRC_RP, buf, 5);
1628         if (ret)
1629                 goto err;
1630
1631         if (buf[4] & 0x01) {
1632                 if (buf[2] == (u8) ~buf[3]) {
1633                         if (buf[0] == (u8) ~buf[1]) {
1634                                 /* NEC standard (16 bit) */
1635                                 rc_code = RC_SCANCODE_NEC(buf[0], buf[2]);
1636                         } else {
1637                                 /* NEC extended (24 bit) */
1638                                 rc_code = RC_SCANCODE_NECX(buf[0] << 8 | buf[1],
1639                                                            buf[2]);
1640                         }
1641                 } else {
1642                         /* NEC full (32 bit) */
1643                         rc_code = RC_SCANCODE_NEC32(buf[0] << 24 | buf[1] << 16 |
1644                                                     buf[2] << 8  | buf[3]);
1645                 }
1646
1647                 rc_keydown(d->rc_dev, RC_TYPE_NEC, rc_code, 0);
1648
1649                 ret = rtl28xxu_wr_reg(d, SYS_IRRC_SR, 1);
1650                 if (ret)
1651                         goto err;
1652
1653                 /* repeated intentionally to avoid extra keypress */
1654                 ret = rtl28xxu_wr_reg(d, SYS_IRRC_SR, 1);
1655                 if (ret)
1656                         goto err;
1657         }
1658
1659         return ret;
1660 err:
1661         dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1662         return ret;
1663 }
1664
1665 static int rtl2831u_get_rc_config(struct dvb_usb_device *d,
1666                 struct dvb_usb_rc *rc)
1667 {
1668         rc->map_name = RC_MAP_EMPTY;
1669         rc->allowed_protos = RC_BIT_NEC;
1670         rc->query = rtl2831u_rc_query;
1671         rc->interval = 400;
1672
1673         return 0;
1674 }
1675
1676 static int rtl2832u_rc_query(struct dvb_usb_device *d)
1677 {
1678         int ret, i, len;
1679         struct rtl28xxu_dev *dev = d->priv;
1680         struct ir_raw_event ev;
1681         u8 buf[128];
1682         static const struct rtl28xxu_reg_val_mask refresh_tab[] = {
1683                 {IR_RX_IF,               0x03, 0xff},
1684                 {IR_RX_BUF_CTRL,         0x80, 0xff},
1685                 {IR_RX_CTRL,             0x80, 0xff},
1686         };
1687
1688         /* init remote controller */
1689         if (!dev->rc_active) {
1690                 static const struct rtl28xxu_reg_val_mask init_tab[] = {
1691                         {SYS_DEMOD_CTL1,         0x00, 0x04},
1692                         {SYS_DEMOD_CTL1,         0x00, 0x08},
1693                         {USB_CTRL,               0x20, 0x20},
1694                         {SYS_GPIO_DIR,           0x00, 0x08},
1695                         {SYS_GPIO_OUT_EN,        0x08, 0x08},
1696                         {SYS_GPIO_OUT_VAL,       0x08, 0x08},
1697                         {IR_MAX_DURATION0,       0xd0, 0xff},
1698                         {IR_MAX_DURATION1,       0x07, 0xff},
1699                         {IR_IDLE_LEN0,           0xc0, 0xff},
1700                         {IR_IDLE_LEN1,           0x00, 0xff},
1701                         {IR_GLITCH_LEN,          0x03, 0xff},
1702                         {IR_RX_CLK,              0x09, 0xff},
1703                         {IR_RX_CFG,              0x1c, 0xff},
1704                         {IR_MAX_H_TOL_LEN,       0x1e, 0xff},
1705                         {IR_MAX_L_TOL_LEN,       0x1e, 0xff},
1706                         {IR_RX_CTRL,             0x80, 0xff},
1707                 };
1708
1709                 for (i = 0; i < ARRAY_SIZE(init_tab); i++) {
1710                         ret = rtl28xxu_wr_reg_mask(d, init_tab[i].reg,
1711                                         init_tab[i].val, init_tab[i].mask);
1712                         if (ret)
1713                                 goto err;
1714                 }
1715
1716                 dev->rc_active = true;
1717         }
1718
1719         ret = rtl28xxu_rd_reg(d, IR_RX_IF, &buf[0]);
1720         if (ret)
1721                 goto err;
1722
1723         if (buf[0] != 0x83)
1724                 goto exit;
1725
1726         ret = rtl28xxu_rd_reg(d, IR_RX_BC, &buf[0]);
1727         if (ret)
1728                 goto err;
1729
1730         len = buf[0];
1731
1732         /* read raw code from hw */
1733         ret = rtl28xxu_rd_regs(d, IR_RX_BUF, buf, len);
1734         if (ret)
1735                 goto err;
1736
1737         /* let hw receive new code */
1738         for (i = 0; i < ARRAY_SIZE(refresh_tab); i++) {
1739                 ret = rtl28xxu_wr_reg_mask(d, refresh_tab[i].reg,
1740                                 refresh_tab[i].val, refresh_tab[i].mask);
1741                 if (ret)
1742                         goto err;
1743         }
1744
1745         /* pass data to Kernel IR decoder */
1746         init_ir_raw_event(&ev);
1747
1748         for (i = 0; i < len; i++) {
1749                 ev.pulse = buf[i] >> 7;
1750                 ev.duration = 50800 * (buf[i] & 0x7f);
1751                 ir_raw_event_store_with_filter(d->rc_dev, &ev);
1752         }
1753
1754         /* 'flush' ir_raw_event_store_with_filter() */
1755         ir_raw_event_set_idle(d->rc_dev, true);
1756         ir_raw_event_handle(d->rc_dev);
1757 exit:
1758         return ret;
1759 err:
1760         dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1761         return ret;
1762 }
1763
1764 static int rtl2832u_get_rc_config(struct dvb_usb_device *d,
1765                 struct dvb_usb_rc *rc)
1766 {
1767         /* disable IR interrupts in order to avoid SDR sample loss */
1768         if (rtl28xxu_disable_rc)
1769                 return rtl28xxu_wr_reg(d, IR_RX_IE, 0x00);
1770
1771         /* load empty to enable rc */
1772         if (!rc->map_name)
1773                 rc->map_name = RC_MAP_EMPTY;
1774         rc->allowed_protos = RC_BIT_ALL;
1775         rc->driver_type = RC_DRIVER_IR_RAW;
1776         rc->query = rtl2832u_rc_query;
1777         rc->interval = 200;
1778
1779         return 0;
1780 }
1781
1782 static int rtl28xxu_get_rc_config(struct dvb_usb_device *d,
1783                 struct dvb_usb_rc *rc)
1784 {
1785         struct rtl28xxu_dev *dev = d_to_priv(d);
1786
1787         if (dev->chip_id == CHIP_ID_RTL2831U)
1788                 return rtl2831u_get_rc_config(d, rc);
1789         else
1790                 return rtl2832u_get_rc_config(d, rc);
1791 }
1792 #else
1793 #define rtl28xxu_get_rc_config NULL
1794 #endif
1795
1796 static int rtl28xxu_pid_filter_ctrl(struct dvb_usb_adapter *adap, int onoff)
1797 {
1798         struct rtl28xxu_dev *dev = adap_to_priv(adap);
1799
1800         if (dev->chip_id == CHIP_ID_RTL2831U) {
1801                 struct rtl2830_platform_data *pdata = &dev->rtl2830_platform_data;
1802
1803                 return pdata->pid_filter_ctrl(adap->fe[0], onoff);
1804         } else {
1805                 struct rtl2832_platform_data *pdata = &dev->rtl2832_platform_data;
1806
1807                 return pdata->pid_filter_ctrl(adap->fe[0], onoff);
1808         }
1809 }
1810
1811 static int rtl28xxu_pid_filter(struct dvb_usb_adapter *adap, int index,
1812                                u16 pid, int onoff)
1813 {
1814         struct rtl28xxu_dev *dev = adap_to_priv(adap);
1815
1816         if (dev->chip_id == CHIP_ID_RTL2831U) {
1817                 struct rtl2830_platform_data *pdata = &dev->rtl2830_platform_data;
1818
1819                 return pdata->pid_filter(adap->fe[0], index, pid, onoff);
1820         } else {
1821                 struct rtl2832_platform_data *pdata = &dev->rtl2832_platform_data;
1822
1823                 return pdata->pid_filter(adap->fe[0], index, pid, onoff);
1824         }
1825 }
1826
1827 static const struct dvb_usb_device_properties rtl28xxu_props = {
1828         .driver_name = KBUILD_MODNAME,
1829         .owner = THIS_MODULE,
1830         .adapter_nr = adapter_nr,
1831         .size_of_priv = sizeof(struct rtl28xxu_dev),
1832
1833         .identify_state = rtl28xxu_identify_state,
1834         .power_ctrl = rtl28xxu_power_ctrl,
1835         .frontend_ctrl = rtl28xxu_frontend_ctrl,
1836         .i2c_algo = &rtl28xxu_i2c_algo,
1837         .read_config = rtl28xxu_read_config,
1838         .frontend_attach = rtl28xxu_frontend_attach,
1839         .frontend_detach = rtl28xxu_frontend_detach,
1840         .tuner_attach = rtl28xxu_tuner_attach,
1841         .tuner_detach = rtl28xxu_tuner_detach,
1842         .init = rtl28xxu_init,
1843         .get_rc_config = rtl28xxu_get_rc_config,
1844
1845         .num_adapters = 1,
1846         .adapter = {
1847                 {
1848                         .caps = DVB_USB_ADAP_HAS_PID_FILTER |
1849                                 DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
1850
1851                         .pid_filter_count = 32,
1852                         .pid_filter_ctrl = rtl28xxu_pid_filter_ctrl,
1853                         .pid_filter = rtl28xxu_pid_filter,
1854
1855                         .stream = DVB_USB_STREAM_BULK(0x81, 6, 8 * 512),
1856                 },
1857         },
1858 };
1859
1860 static const struct usb_device_id rtl28xxu_id_table[] = {
1861         /* RTL2831U devices: */
1862         { DVB_USB_DEVICE(USB_VID_REALTEK, USB_PID_REALTEK_RTL2831U,
1863                 &rtl28xxu_props, "Realtek RTL2831U reference design", NULL) },
1864         { DVB_USB_DEVICE(USB_VID_WIDEVIEW, USB_PID_FREECOM_DVBT,
1865                 &rtl28xxu_props, "Freecom USB2.0 DVB-T", NULL) },
1866         { DVB_USB_DEVICE(USB_VID_WIDEVIEW, USB_PID_FREECOM_DVBT_2,
1867                 &rtl28xxu_props, "Freecom USB2.0 DVB-T", NULL) },
1868
1869         /* RTL2832U devices: */
1870         { DVB_USB_DEVICE(USB_VID_REALTEK, 0x2832,
1871                 &rtl28xxu_props, "Realtek RTL2832U reference design", NULL) },
1872         { DVB_USB_DEVICE(USB_VID_REALTEK, 0x2838,
1873                 &rtl28xxu_props, "Realtek RTL2832U reference design", NULL) },
1874         { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_CINERGY_T_STICK_BLACK_REV1,
1875                 &rtl28xxu_props, "TerraTec Cinergy T Stick Black", RC_MAP_TERRATEC_SLIM) },
1876         { DVB_USB_DEVICE(USB_VID_GTEK, USB_PID_DELOCK_USB2_DVBT,
1877                 &rtl28xxu_props, "G-Tek Electronics Group Lifeview LV5TDLX DVB-T", NULL) },
1878         { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_NOXON_DAB_STICK,
1879                 &rtl28xxu_props, "TerraTec NOXON DAB Stick", NULL) },
1880         { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_NOXON_DAB_STICK_REV2,
1881                 &rtl28xxu_props, "TerraTec NOXON DAB Stick (rev 2)", NULL) },
1882         { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_NOXON_DAB_STICK_REV3,
1883                 &rtl28xxu_props, "TerraTec NOXON DAB Stick (rev 3)", NULL) },
1884         { DVB_USB_DEVICE(USB_VID_GTEK, USB_PID_TREKSTOR_TERRES_2_0,
1885                 &rtl28xxu_props, "Trekstor DVB-T Stick Terres 2.0", NULL) },
1886         { DVB_USB_DEVICE(USB_VID_DEXATEK, 0x1101,
1887                 &rtl28xxu_props, "Dexatek DK DVB-T Dongle", NULL) },
1888         { DVB_USB_DEVICE(USB_VID_LEADTEK, 0x6680,
1889                 &rtl28xxu_props, "DigitalNow Quad DVB-T Receiver", NULL) },
1890         { DVB_USB_DEVICE(USB_VID_LEADTEK, USB_PID_WINFAST_DTV_DONGLE_MINID,
1891                 &rtl28xxu_props, "Leadtek Winfast DTV Dongle Mini D", NULL) },
1892         { DVB_USB_DEVICE(USB_VID_LEADTEK, USB_PID_WINFAST_DTV2000DS_PLUS,
1893                 &rtl28xxu_props, "Leadtek WinFast DTV2000DS Plus", RC_MAP_LEADTEK_Y04G0051) },
1894         { DVB_USB_DEVICE(USB_VID_TERRATEC, 0x00d3,
1895                 &rtl28xxu_props, "TerraTec Cinergy T Stick RC (Rev. 3)", NULL) },
1896         { DVB_USB_DEVICE(USB_VID_DEXATEK, 0x1102,
1897                 &rtl28xxu_props, "Dexatek DK mini DVB-T Dongle", NULL) },
1898         { DVB_USB_DEVICE(USB_VID_TERRATEC, 0x00d7,
1899                 &rtl28xxu_props, "TerraTec Cinergy T Stick+", NULL) },
1900         { DVB_USB_DEVICE(USB_VID_KWORLD_2, 0xd3a8,
1901                 &rtl28xxu_props, "ASUS My Cinema-U3100Mini Plus V2", NULL) },
1902         { DVB_USB_DEVICE(USB_VID_KWORLD_2, 0xd393,
1903                 &rtl28xxu_props, "GIGABYTE U7300", NULL) },
1904         { DVB_USB_DEVICE(USB_VID_DEXATEK, 0x1104,
1905                 &rtl28xxu_props, "MSI DIGIVOX Micro HD", NULL) },
1906         { DVB_USB_DEVICE(USB_VID_COMPRO, 0x0620,
1907                 &rtl28xxu_props, "Compro VideoMate U620F", NULL) },
1908         { DVB_USB_DEVICE(USB_VID_COMPRO, 0x0650,
1909                 &rtl28xxu_props, "Compro VideoMate U650F", NULL) },
1910         { DVB_USB_DEVICE(USB_VID_KWORLD_2, 0xd394,
1911                 &rtl28xxu_props, "MaxMedia HU394-T", NULL) },
1912         { DVB_USB_DEVICE(USB_VID_LEADTEK, 0x6a03,
1913                 &rtl28xxu_props, "Leadtek WinFast DTV Dongle mini", NULL) },
1914         { DVB_USB_DEVICE(USB_VID_GTEK, USB_PID_CPYTO_REDI_PC50A,
1915                 &rtl28xxu_props, "Crypto ReDi PC 50 A", NULL) },
1916         { DVB_USB_DEVICE(USB_VID_KYE, 0x707f,
1917                 &rtl28xxu_props, "Genius TVGo DVB-T03", NULL) },
1918         { DVB_USB_DEVICE(USB_VID_KWORLD_2, 0xd395,
1919                 &rtl28xxu_props, "Peak DVB-T USB", NULL) },
1920         { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_SVEON_STV20_RTL2832U,
1921                 &rtl28xxu_props, "Sveon STV20", NULL) },
1922         { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_SVEON_STV21,
1923                 &rtl28xxu_props, "Sveon STV21", NULL) },
1924         { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_SVEON_STV27,
1925                 &rtl28xxu_props, "Sveon STV27", NULL) },
1926         { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_TURBOX_DTT_2000,
1927                 &rtl28xxu_props, "TURBO-X Pure TV Tuner DTT-2000", NULL) },
1928
1929         /* RTL2832P devices: */
1930         { DVB_USB_DEVICE(USB_VID_HANFTEK, 0x0131,
1931                 &rtl28xxu_props, "Astrometa DVB-T2", NULL) },
1932         { DVB_USB_DEVICE(0x5654, 0xca42,
1933                 &rtl28xxu_props, "GoTView MasterHD 3", NULL) },
1934         { }
1935 };
1936 MODULE_DEVICE_TABLE(usb, rtl28xxu_id_table);
1937
1938 static struct usb_driver rtl28xxu_usb_driver = {
1939         .name = KBUILD_MODNAME,
1940         .id_table = rtl28xxu_id_table,
1941         .probe = dvb_usbv2_probe,
1942         .disconnect = dvb_usbv2_disconnect,
1943         .suspend = dvb_usbv2_suspend,
1944         .resume = dvb_usbv2_resume,
1945         .reset_resume = dvb_usbv2_reset_resume,
1946         .no_dynamic_id = 1,
1947         .soft_unbind = 1,
1948 };
1949
1950 module_usb_driver(rtl28xxu_usb_driver);
1951
1952 MODULE_DESCRIPTION("Realtek RTL28xxU DVB USB driver");
1953 MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
1954 MODULE_AUTHOR("Thomas Mair <thomas.mair86@googlemail.com>");
1955 MODULE_LICENSE("GPL");