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 #include "rtl2830.h"
  26 #include "rtl2832.h"
  27
  28 #include "qt1010.h"
  29 #include "mt2060.h"
  30 #include "mxl5005s.h"
  31 #include "fc0012.h"
  32 #include "fc0013.h"
  33 #include "e4000.h"
  34 #include "fc2580.h"
  35 #include "tua9001.h"
  36 #include "r820t.h"
  37
  38 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
  39
  40 static int rtl28xxu_ctrl_msg(struct dvb_usb_device *d, struct rtl28xxu_req *req)
  41 {
  42         int ret;
  43         unsigned int pipe;
  44         u8 requesttype;
  45         u8 *buf;
  46
  47         buf = kmalloc(req->size, GFP_KERNEL);
  48         if (!buf) {
  49                 ret = -ENOMEM;
  50                 goto err;
  51         }
  52
  53         if (req->index & CMD_WR_FLAG) {
  54                 /* write */
  55                 memcpy(buf, req->data, req->size);
  56                 requesttype = (USB_TYPE_VENDOR | USB_DIR_OUT);
  57                 pipe = usb_sndctrlpipe(d->udev, 0);
  58         } else {
  59                 /* read */
  60                 requesttype = (USB_TYPE_VENDOR | USB_DIR_IN);
  61                 pipe = usb_rcvctrlpipe(d->udev, 0);
  62         }
  63
  64         ret = usb_control_msg(d->udev, pipe, 0, requesttype, req->value,
  65                         req->index, buf, req->size, 1000);
  66
  67         dvb_usb_dbg_usb_control_msg(d->udev, 0, requesttype, req->value,
  68                         req->index, buf, req->size);
  69
  70         if (ret > 0)
  71                 ret = 0;
  72
  73         /* read request, copy returned data to return buf */
  74         if (!ret && requesttype == (USB_TYPE_VENDOR | USB_DIR_IN))
  75                 memcpy(req->data, buf, req->size);
  76
  77         kfree(buf);
  78
  79         if (ret)
  80                 goto err;
  81
  82         return ret;
  83 err:
  84         dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
  85         return ret;
  86 }
  87
  88 static int rtl28xx_wr_regs(struct dvb_usb_device *d, u16 reg, u8 *val, int len)
  89 {
  90         struct rtl28xxu_req req;
  91
  92         if (reg < 0x3000)
  93                 req.index = CMD_USB_WR;
  94         else if (reg < 0x4000)
  95                 req.index = CMD_SYS_WR;
  96         else
  97                 req.index = CMD_IR_WR;
  98
  99         req.value = reg;
 100         req.size = len;
 101         req.data = val;
 102
 103         return rtl28xxu_ctrl_msg(d, &req);
 104 }
 105
 106 static int rtl2831_rd_regs(struct dvb_usb_device *d, u16 reg, u8 *val, int len)
 107 {
 108         struct rtl28xxu_req req;
 109
 110         if (reg < 0x3000)
 111                 req.index = CMD_USB_RD;
 112         else if (reg < 0x4000)
 113                 req.index = CMD_SYS_RD;
 114         else
 115                 req.index = CMD_IR_RD;
 116
 117         req.value = reg;
 118         req.size = len;
 119         req.data = val;
 120
 121         return rtl28xxu_ctrl_msg(d, &req);
 122 }
 123
 124 static int rtl28xx_wr_reg(struct dvb_usb_device *d, u16 reg, u8 val)
 125 {
 126         return rtl28xx_wr_regs(d, reg, &val, 1);
 127 }
 128
 129 static int rtl28xx_rd_reg(struct dvb_usb_device *d, u16 reg, u8 *val)
 130 {
 131         return rtl2831_rd_regs(d, reg, val, 1);
 132 }
 133
 134 static int rtl28xx_wr_reg_mask(struct dvb_usb_device *d, u16 reg, u8 val,
 135                 u8 mask)
 136 {
 137         int ret;
 138         u8 tmp;
 139
 140         /* no need for read if whole reg is written */
 141         if (mask != 0xff) {
 142                 ret = rtl28xx_rd_reg(d, reg, &tmp);
 143                 if (ret)
 144                         return ret;
 145
 146                 val &= mask;
 147                 tmp &= ~mask;
 148                 val |= tmp;
 149         }
 150
 151         return rtl28xx_wr_reg(d, reg, val);
 152 }
 153
 154 /* I2C */
 155 static int rtl28xxu_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[],
 156         int num)
 157 {
 158         int ret;
 159         struct dvb_usb_device *d = i2c_get_adapdata(adap);
 160         struct rtl28xxu_priv *priv = d->priv;
 161         struct rtl28xxu_req req;
 162
 163         /*
 164          * It is not known which are real I2C bus xfer limits, but testing
 165          * with RTL2831U + MT2060 gives max RD 24 and max WR 22 bytes.
 166          * TODO: find out RTL2832U lens
 167          */
 168
 169         /*
 170          * I2C adapter logic looks rather complicated due to fact it handles
 171          * three different access methods. Those methods are;
 172          * 1) integrated demod access
 173          * 2) old I2C access
 174          * 3) new I2C access
 175          *
 176          * Used method is selected in order 1, 2, 3. Method 3 can handle all
 177          * requests but there is two reasons why not use it always;
 178          * 1) It is most expensive, usually two USB messages are needed
 179          * 2) At least RTL2831U does not support it
 180          *
 181          * Method 3 is needed in case of I2C write+read (typical register read)
 182          * where write is more than one byte.
 183          */
 184
 185         if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
 186                 return -EAGAIN;
 187
 188         if (num == 2 && !(msg[0].flags & I2C_M_RD) &&
 189                 (msg[1].flags & I2C_M_RD)) {
 190                 if (msg[0].len > 24 || msg[1].len > 24) {
 191                         /* TODO: check msg[0].len max */
 192                         ret = -EOPNOTSUPP;
 193                         goto err_mutex_unlock;
 194                 } else if (msg[0].addr == 0x10) {
 195                         /* method 1 - integrated demod */
 196                         req.value = (msg[0].buf[0] << 8) | (msg[0].addr << 1);
 197                         req.index = CMD_DEMOD_RD | priv->page;
 198                         req.size = msg[1].len;
 199                         req.data = &msg[1].buf[0];
 200                         ret = rtl28xxu_ctrl_msg(d, &req);
 201                 } else if (msg[0].len < 2) {
 202                         /* method 2 - old I2C */
 203                         req.value = (msg[0].buf[0] << 8) | (msg[0].addr << 1);
 204                         req.index = CMD_I2C_RD;
 205                         req.size = msg[1].len;
 206                         req.data = &msg[1].buf[0];
 207                         ret = rtl28xxu_ctrl_msg(d, &req);
 208                 } else {
 209                         /* method 3 - new I2C */
 210                         req.value = (msg[0].addr << 1);
 211                         req.index = CMD_I2C_DA_WR;
 212                         req.size = msg[0].len;
 213                         req.data = msg[0].buf;
 214                         ret = rtl28xxu_ctrl_msg(d, &req);
 215                         if (ret)
 216                                 goto err_mutex_unlock;
 217
 218                         req.value = (msg[0].addr << 1);
 219                         req.index = CMD_I2C_DA_RD;
 220                         req.size = msg[1].len;
 221                         req.data = msg[1].buf;
 222                         ret = rtl28xxu_ctrl_msg(d, &req);
 223                 }
 224         } else if (num == 1 && !(msg[0].flags & I2C_M_RD)) {
 225                 if (msg[0].len > 22) {
 226                         /* TODO: check msg[0].len max */
 227                         ret = -EOPNOTSUPP;
 228                         goto err_mutex_unlock;
 229                 } else if (msg[0].addr == 0x10) {
 230                         /* method 1 - integrated demod */
 231                         if (msg[0].buf[0] == 0x00) {
 232                                 /* save demod page for later demod access */
 233                                 priv->page = msg[0].buf[1];
 234                                 ret = 0;
 235                         } else {
 236                                 req.value = (msg[0].buf[0] << 8) |
 237                                         (msg[0].addr << 1);
 238                                 req.index = CMD_DEMOD_WR | priv->page;
 239                                 req.size = msg[0].len-1;
 240                                 req.data = &msg[0].buf[1];
 241                                 ret = rtl28xxu_ctrl_msg(d, &req);
 242                         }
 243                 } else if (msg[0].len < 23) {
 244                         /* method 2 - old I2C */
 245                         req.value = (msg[0].buf[0] << 8) | (msg[0].addr << 1);
 246                         req.index = CMD_I2C_WR;
 247                         req.size = msg[0].len-1;
 248                         req.data = &msg[0].buf[1];
 249                         ret = rtl28xxu_ctrl_msg(d, &req);
 250                 } else {
 251                         /* method 3 - new I2C */
 252                         req.value = (msg[0].addr << 1);
 253                         req.index = CMD_I2C_DA_WR;
 254                         req.size = msg[0].len;
 255                         req.data = msg[0].buf;
 256                         ret = rtl28xxu_ctrl_msg(d, &req);
 257                 }
 258         } else {
 259                 ret = -EINVAL;
 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_priv *priv = 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->udev->dev, "%s:\n", __func__);
 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 = rtl28xx_wr_reg(d, SYS_GPIO_DIR, 0x0a);
 301         if (ret)
 302                 goto err;
 303
 304         /* enable as output GPIO0, GPIO2, GPIO4 */
 305         ret = rtl28xx_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         priv->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                 priv->tuner = TUNER_RTL2830_QT1010;
 328                 priv->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                 priv->tuner = TUNER_RTL2830_MT2060;
 341                 priv->tuner_name = "MT2060";
 342                 goto found;
 343         }
 344
 345         /* assume MXL5005S */
 346         priv->tuner = TUNER_RTL2830_MXL5005S;
 347         priv->tuner_name = "MXL5005S";
 348         goto found;
 349
 350 found:
 351         dev_dbg(&d->udev->dev, "%s: tuner=%s\n", __func__, priv->tuner_name);
 352
 353         return 0;
 354 err:
 355         dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
 356         return ret;
 357 }
 358
 359 static int rtl2832u_read_config(struct dvb_usb_device *d)
 360 {
 361         struct rtl28xxu_priv *priv = 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
 381         dev_dbg(&d->udev->dev, "%s:\n", __func__);
 382
 383         /* enable GPIO3 and GPIO6 as output */
 384         ret = rtl28xx_wr_reg_mask(d, SYS_GPIO_DIR, 0x00, 0x40);
 385         if (ret)
 386                 goto err;
 387
 388         ret = rtl28xx_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x48, 0x48);
 389         if (ret)
 390                 goto err;
 391
 392         /*
 393          * Probe used tuner. We need to know used tuner before demod attach
 394          * since there is some demod params needed to set according to tuner.
 395          */
 396
 397         /* open demod I2C gate */
 398         ret = rtl28xxu_ctrl_msg(d, &req_gate_open);
 399         if (ret)
 400                 goto err;
 401
 402         priv->tuner_name = "NONE";
 403
 404         /* check FC0012 ID register; reg=00 val=a1 */
 405         ret = rtl28xxu_ctrl_msg(d, &req_fc0012);
 406         if (ret == 0 && buf[0] == 0xa1) {
 407                 priv->tuner = TUNER_RTL2832_FC0012;
 408                 priv->tuner_name = "FC0012";
 409                 goto found;
 410         }
 411
 412         /* check FC0013 ID register; reg=00 val=a3 */
 413         ret = rtl28xxu_ctrl_msg(d, &req_fc0013);
 414         if (ret == 0 && buf[0] == 0xa3) {
 415                 priv->tuner = TUNER_RTL2832_FC0013;
 416                 priv->tuner_name = "FC0013";
 417                 goto found;
 418         }
 419
 420         /* check MT2266 ID register; reg=00 val=85 */
 421         ret = rtl28xxu_ctrl_msg(d, &req_mt2266);
 422         if (ret == 0 && buf[0] == 0x85) {
 423                 priv->tuner = TUNER_RTL2832_MT2266;
 424                 priv->tuner_name = "MT2266";
 425                 goto found;
 426         }
 427
 428         /* check FC2580 ID register; reg=01 val=56 */
 429         ret = rtl28xxu_ctrl_msg(d, &req_fc2580);
 430         if (ret == 0 && buf[0] == 0x56) {
 431                 priv->tuner = TUNER_RTL2832_FC2580;
 432                 priv->tuner_name = "FC2580";
 433                 goto found;
 434         }
 435
 436         /* check MT2063 ID register; reg=00 val=9e || 9c */
 437         ret = rtl28xxu_ctrl_msg(d, &req_mt2063);
 438         if (ret == 0 && (buf[0] == 0x9e || buf[0] == 0x9c)) {
 439                 priv->tuner = TUNER_RTL2832_MT2063;
 440                 priv->tuner_name = "MT2063";
 441                 goto found;
 442         }
 443
 444         /* check MAX3543 ID register; reg=00 val=38 */
 445         ret = rtl28xxu_ctrl_msg(d, &req_max3543);
 446         if (ret == 0 && buf[0] == 0x38) {
 447                 priv->tuner = TUNER_RTL2832_MAX3543;
 448                 priv->tuner_name = "MAX3543";
 449                 goto found;
 450         }
 451
 452         /* check TUA9001 ID register; reg=7e val=2328 */
 453         ret = rtl28xxu_ctrl_msg(d, &req_tua9001);
 454         if (ret == 0 && buf[0] == 0x23 && buf[1] == 0x28) {
 455                 priv->tuner = TUNER_RTL2832_TUA9001;
 456                 priv->tuner_name = "TUA9001";
 457                 goto found;
 458         }
 459
 460         /* check MXL5007R ID register; reg=d9 val=14 */
 461         ret = rtl28xxu_ctrl_msg(d, &req_mxl5007t);
 462         if (ret == 0 && buf[0] == 0x14) {
 463                 priv->tuner = TUNER_RTL2832_MXL5007T;
 464                 priv->tuner_name = "MXL5007T";
 465                 goto found;
 466         }
 467
 468         /* check E4000 ID register; reg=02 val=40 */
 469         ret = rtl28xxu_ctrl_msg(d, &req_e4000);
 470         if (ret == 0 && buf[0] == 0x40) {
 471                 priv->tuner = TUNER_RTL2832_E4000;
 472                 priv->tuner_name = "E4000";
 473                 goto found;
 474         }
 475
 476         /* check TDA18272 ID register; reg=00 val=c760  */
 477         ret = rtl28xxu_ctrl_msg(d, &req_tda18272);
 478         if (ret == 0 && (buf[0] == 0xc7 || buf[1] == 0x60)) {
 479                 priv->tuner = TUNER_RTL2832_TDA18272;
 480                 priv->tuner_name = "TDA18272";
 481                 goto found;
 482         }
 483
 484         /* check R820T ID register; reg=00 val=69 */
 485         ret = rtl28xxu_ctrl_msg(d, &req_r820t);
 486         if (ret == 0 && buf[0] == 0x69) {
 487                 priv->tuner = TUNER_RTL2832_R820T;
 488                 priv->tuner_name = "R820T";
 489                 goto found;
 490         }
 491
 492 found:
 493         dev_dbg(&d->udev->dev, "%s: tuner=%s\n", __func__, priv->tuner_name);
 494
 495         /* close demod I2C gate */
 496         ret = rtl28xxu_ctrl_msg(d, &req_gate_close);
 497         if (ret < 0)
 498                 goto err;
 499
 500         return 0;
 501 err:
 502         dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
 503         return ret;
 504 }
 505
 506 static struct rtl2830_config rtl28xxu_rtl2830_mt2060_config = {
 507         .i2c_addr = 0x10, /* 0x20 */
 508         .xtal = 28800000,
 509         .ts_mode = 0,
 510         .spec_inv = 1,
 511         .vtop = 0x20,
 512         .krf = 0x04,
 513         .agc_targ_val = 0x2d,
 514
 515 };
 516
 517 static struct rtl2830_config rtl28xxu_rtl2830_qt1010_config = {
 518         .i2c_addr = 0x10, /* 0x20 */
 519         .xtal = 28800000,
 520         .ts_mode = 0,
 521         .spec_inv = 1,
 522         .vtop = 0x20,
 523         .krf = 0x04,
 524         .agc_targ_val = 0x2d,
 525 };
 526
 527 static struct rtl2830_config rtl28xxu_rtl2830_mxl5005s_config = {
 528         .i2c_addr = 0x10, /* 0x20 */
 529         .xtal = 28800000,
 530         .ts_mode = 0,
 531         .spec_inv = 0,
 532         .vtop = 0x3f,
 533         .krf = 0x04,
 534         .agc_targ_val = 0x3e,
 535 };
 536
 537 static int rtl2831u_frontend_attach(struct dvb_usb_adapter *adap)
 538 {
 539         struct dvb_usb_device *d = adap_to_d(adap);
 540         struct rtl28xxu_priv *priv = d_to_priv(d);
 541         struct rtl2830_config *rtl2830_config;
 542         int ret;
 543
 544         dev_dbg(&d->udev->dev, "%s:\n", __func__);
 545
 546         switch (priv->tuner) {
 547         case TUNER_RTL2830_QT1010:
 548                 rtl2830_config = &rtl28xxu_rtl2830_qt1010_config;
 549                 break;
 550         case TUNER_RTL2830_MT2060:
 551                 rtl2830_config = &rtl28xxu_rtl2830_mt2060_config;
 552                 break;
 553         case TUNER_RTL2830_MXL5005S:
 554                 rtl2830_config = &rtl28xxu_rtl2830_mxl5005s_config;
 555                 break;
 556         default:
 557                 dev_err(&d->udev->dev, "%s: unknown tuner=%s\n",
 558                                 KBUILD_MODNAME, priv->tuner_name);
 559                 ret = -ENODEV;
 560                 goto err;
 561         }
 562
 563         /* attach demodulator */
 564         adap->fe[0] = dvb_attach(rtl2830_attach, rtl2830_config, &d->i2c_adap);
 565         if (!adap->fe[0]) {
 566                 ret = -ENODEV;
 567                 goto err;
 568         }
 569
 570         return 0;
 571 err:
 572         dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
 573         return ret;
 574 }
 575
 576 static struct rtl2832_config rtl28xxu_rtl2832_fc0012_config = {
 577         .i2c_addr = 0x10, /* 0x20 */
 578         .xtal = 28800000,
 579         .if_dvbt = 0,
 580         .tuner = TUNER_RTL2832_FC0012
 581 };
 582
 583 static struct rtl2832_config rtl28xxu_rtl2832_fc0013_config = {
 584         .i2c_addr = 0x10, /* 0x20 */
 585         .xtal = 28800000,
 586         .if_dvbt = 0,
 587         .tuner = TUNER_RTL2832_FC0013
 588 };
 589
 590 static struct rtl2832_config rtl28xxu_rtl2832_tua9001_config = {
 591         .i2c_addr = 0x10, /* 0x20 */
 592         .xtal = 28800000,
 593         .tuner = TUNER_RTL2832_TUA9001,
 594 };
 595
 596 static struct rtl2832_config rtl28xxu_rtl2832_e4000_config = {
 597         .i2c_addr = 0x10, /* 0x20 */
 598         .xtal = 28800000,
 599         .tuner = TUNER_RTL2832_E4000,
 600 };
 601
 602 static struct rtl2832_config rtl28xxu_rtl2832_r820t_config = {
 603         .i2c_addr = 0x10,
 604         .xtal = 28800000,
 605         .tuner = TUNER_RTL2832_R820T,
 606 };
 607
 608 static int rtl2832u_fc0012_tuner_callback(struct dvb_usb_device *d,
 609                 int cmd, int arg)
 610 {
 611         int ret;
 612         u8 val;
 613
 614         dev_dbg(&d->udev->dev, "%s: cmd=%d arg=%d\n", __func__, cmd, arg);
 615
 616         switch (cmd) {
 617         case FC_FE_CALLBACK_VHF_ENABLE:
 618                 /* set output values */
 619                 ret = rtl28xx_rd_reg(d, SYS_GPIO_OUT_VAL, &val);
 620                 if (ret)
 621                         goto err;
 622
 623                 if (arg)
 624                         val &= 0xbf; /* set GPIO6 low */
 625                 else
 626                         val |= 0x40; /* set GPIO6 high */
 627
 628
 629                 ret = rtl28xx_wr_reg(d, SYS_GPIO_OUT_VAL, val);
 630                 if (ret)
 631                         goto err;
 632                 break;
 633         default:
 634                 ret = -EINVAL;
 635                 goto err;
 636         }
 637         return 0;
 638 err:
 639         dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
 640         return ret;
 641 }
 642
 643 static int rtl2832u_tua9001_tuner_callback(struct dvb_usb_device *d,
 644                 int cmd, int arg)
 645 {
 646         int ret;
 647         u8 val;
 648
 649         dev_dbg(&d->udev->dev, "%s: cmd=%d arg=%d\n", __func__, cmd, arg);
 650
 651         /*
 652          * CEN     always enabled by hardware wiring
 653          * RESETN  GPIO4
 654          * RXEN    GPIO1
 655          */
 656
 657         switch (cmd) {
 658         case TUA9001_CMD_RESETN:
 659                 if (arg)
 660                         val = (1 << 4);
 661                 else
 662                         val = (0 << 4);
 663
 664                 ret = rtl28xx_wr_reg_mask(d, SYS_GPIO_OUT_VAL, val, 0x10);
 665                 if (ret)
 666                         goto err;
 667                 break;
 668         case TUA9001_CMD_RXEN:
 669                 if (arg)
 670                         val = (1 << 1);
 671                 else
 672                         val = (0 << 1);
 673
 674                 ret = rtl28xx_wr_reg_mask(d, SYS_GPIO_OUT_VAL, val, 0x02);
 675                 if (ret)
 676                         goto err;
 677                 break;
 678         }
 679
 680         return 0;
 681 err:
 682         dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
 683         return ret;
 684 }
 685
 686 static int rtl2832u_tuner_callback(struct dvb_usb_device *d, int cmd, int arg)
 687 {
 688         struct rtl28xxu_priv *priv = d->priv;
 689
 690         switch (priv->tuner) {
 691         case TUNER_RTL2832_FC0012:
 692                 return rtl2832u_fc0012_tuner_callback(d, cmd, arg);
 693         case TUNER_RTL2832_TUA9001:
 694                 return rtl2832u_tua9001_tuner_callback(d, cmd, arg);
 695         default:
 696                 break;
 697         }
 698
 699         return 0;
 700 }
 701
 702 static int rtl2832u_frontend_callback(void *adapter_priv, int component,
 703                 int cmd, int arg)
 704 {
 705         struct i2c_adapter *adap = adapter_priv;
 706         struct dvb_usb_device *d = i2c_get_adapdata(adap);
 707
 708         dev_dbg(&d->udev->dev, "%s: component=%d cmd=%d arg=%d\n",
 709                         __func__, component, cmd, arg);
 710
 711         switch (component) {
 712         case DVB_FRONTEND_COMPONENT_TUNER:
 713                 return rtl2832u_tuner_callback(d, cmd, arg);
 714         default:
 715                 break;
 716         }
 717
 718         return 0;
 719 }
 720
 721 static int rtl2832u_frontend_attach(struct dvb_usb_adapter *adap)
 722 {
 723         int ret;
 724         struct dvb_usb_device *d = adap_to_d(adap);
 725         struct rtl28xxu_priv *priv = d_to_priv(d);
 726         struct rtl2832_config *rtl2832_config;
 727
 728         dev_dbg(&d->udev->dev, "%s:\n", __func__);
 729
 730         switch (priv->tuner) {
 731         case TUNER_RTL2832_FC0012:
 732                 rtl2832_config = &rtl28xxu_rtl2832_fc0012_config;
 733                 break;
 734         case TUNER_RTL2832_FC0013:
 735                 rtl2832_config = &rtl28xxu_rtl2832_fc0013_config;
 736                 break;
 737         case TUNER_RTL2832_FC2580:
 738                 /* FIXME: do not abuse fc0012 settings */
 739                 rtl2832_config = &rtl28xxu_rtl2832_fc0012_config;
 740                 break;
 741         case TUNER_RTL2832_TUA9001:
 742                 rtl2832_config = &rtl28xxu_rtl2832_tua9001_config;
 743                 break;
 744         case TUNER_RTL2832_E4000:
 745                 rtl2832_config = &rtl28xxu_rtl2832_e4000_config;
 746                 break;
 747         case TUNER_RTL2832_R820T:
 748                 rtl2832_config = &rtl28xxu_rtl2832_r820t_config;
 749                 break;
 750         default:
 751                 dev_err(&d->udev->dev, "%s: unknown tuner=%s\n",
 752                                 KBUILD_MODNAME, priv->tuner_name);
 753                 ret = -ENODEV;
 754                 goto err;
 755         }
 756
 757         /* attach demodulator */
 758         adap->fe[0] = dvb_attach(rtl2832_attach, rtl2832_config, &d->i2c_adap);
 759         if (!adap->fe[0]) {
 760                 ret = -ENODEV;
 761                 goto err;
 762         }
 763
 764         /* set fe callback */
 765         adap->fe[0]->callback = rtl2832u_frontend_callback;
 766
 767         return 0;
 768 err:
 769         dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
 770         return ret;
 771 }
 772
 773 static struct qt1010_config rtl28xxu_qt1010_config = {
 774         .i2c_address = 0x62, /* 0xc4 */
 775 };
 776
 777 static struct mt2060_config rtl28xxu_mt2060_config = {
 778         .i2c_address = 0x60, /* 0xc0 */
 779         .clock_out = 0,
 780 };
 781
 782 static struct mxl5005s_config rtl28xxu_mxl5005s_config = {
 783         .i2c_address     = 0x63, /* 0xc6 */
 784         .if_freq         = IF_FREQ_4570000HZ,
 785         .xtal_freq       = CRYSTAL_FREQ_16000000HZ,
 786         .agc_mode        = MXL_SINGLE_AGC,
 787         .tracking_filter = MXL_TF_C_H,
 788         .rssi_enable     = MXL_RSSI_ENABLE,
 789         .cap_select      = MXL_CAP_SEL_ENABLE,
 790         .div_out         = MXL_DIV_OUT_4,
 791         .clock_out       = MXL_CLOCK_OUT_DISABLE,
 792         .output_load     = MXL5005S_IF_OUTPUT_LOAD_200_OHM,
 793         .top             = MXL5005S_TOP_25P2,
 794         .mod_mode        = MXL_DIGITAL_MODE,
 795         .if_mode         = MXL_ZERO_IF,
 796         .AgcMasterByte   = 0x00,
 797 };
 798
 799 static int rtl2831u_tuner_attach(struct dvb_usb_adapter *adap)
 800 {
 801         int ret;
 802         struct dvb_usb_device *d = adap_to_d(adap);
 803         struct rtl28xxu_priv *priv = d_to_priv(d);
 804         struct i2c_adapter *rtl2830_tuner_i2c;
 805         struct dvb_frontend *fe;
 806
 807         dev_dbg(&d->udev->dev, "%s:\n", __func__);
 808
 809         /* use rtl2830 driver I2C adapter, for more info see rtl2830 driver */
 810         rtl2830_tuner_i2c = rtl2830_get_tuner_i2c_adapter(adap->fe[0]);
 811
 812         switch (priv->tuner) {
 813         case TUNER_RTL2830_QT1010:
 814                 fe = dvb_attach(qt1010_attach, adap->fe[0],
 815                                 rtl2830_tuner_i2c, &rtl28xxu_qt1010_config);
 816                 break;
 817         case TUNER_RTL2830_MT2060:
 818                 fe = dvb_attach(mt2060_attach, adap->fe[0],
 819                                 rtl2830_tuner_i2c, &rtl28xxu_mt2060_config,
 820                                 1220);
 821                 break;
 822         case TUNER_RTL2830_MXL5005S:
 823                 fe = dvb_attach(mxl5005s_attach, adap->fe[0],
 824                                 rtl2830_tuner_i2c, &rtl28xxu_mxl5005s_config);
 825                 break;
 826         default:
 827                 fe = NULL;
 828                 dev_err(&d->udev->dev, "%s: unknown tuner=%d\n", KBUILD_MODNAME,
 829                                 priv->tuner);
 830         }
 831
 832         if (fe == NULL) {
 833                 ret = -ENODEV;
 834                 goto err;
 835         }
 836
 837         return 0;
 838 err:
 839         dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
 840         return ret;
 841 }
 842
 843 static const struct e4000_config rtl2832u_e4000_config = {
 844         .i2c_addr = 0x64,
 845         .clock = 28800000,
 846 };
 847
 848 static const struct fc2580_config rtl2832u_fc2580_config = {
 849         .i2c_addr = 0x56,
 850         .clock = 16384000,
 851 };
 852
 853 static struct tua9001_config rtl2832u_tua9001_config = {
 854         .i2c_addr = 0x60,
 855 };
 856
 857 static const struct fc0012_config rtl2832u_fc0012_config = {
 858         .i2c_address = 0x63, /* 0xc6 >> 1 */
 859         .xtal_freq = FC_XTAL_28_8_MHZ,
 860 };
 861
 862 static const struct r820t_config rtl2832u_r820t_config = {
 863         .i2c_addr = 0x1a,
 864         .xtal = 28800000,
 865         .max_i2c_msg_len = 2,
 866         .rafael_chip = CHIP_R820T,
 867 };
 868
 869 static int rtl2832u_tuner_attach(struct dvb_usb_adapter *adap)
 870 {
 871         int ret;
 872         struct dvb_usb_device *d = adap_to_d(adap);
 873         struct rtl28xxu_priv *priv = d_to_priv(d);
 874         struct dvb_frontend *fe;
 875
 876         dev_dbg(&d->udev->dev, "%s:\n", __func__);
 877
 878         switch (priv->tuner) {
 879         case TUNER_RTL2832_FC0012:
 880                 fe = dvb_attach(fc0012_attach, adap->fe[0],
 881                         &d->i2c_adap, &rtl2832u_fc0012_config);
 882
 883                 /* since fc0012 includs reading the signal strength delegate
 884                  * that to the tuner driver */
 885                 adap->fe[0]->ops.read_signal_strength =
 886                                 adap->fe[0]->ops.tuner_ops.get_rf_strength;
 887                 return 0;
 888                 break;
 889         case TUNER_RTL2832_FC0013:
 890                 fe = dvb_attach(fc0013_attach, adap->fe[0],
 891                         &d->i2c_adap, 0xc6>>1, 0, FC_XTAL_28_8_MHZ);
 892
 893                 /* fc0013 also supports signal strength reading */
 894                 adap->fe[0]->ops.read_signal_strength =
 895                                 adap->fe[0]->ops.tuner_ops.get_rf_strength;
 896                 return 0;
 897         case TUNER_RTL2832_E4000:
 898                 fe = dvb_attach(e4000_attach, adap->fe[0], &d->i2c_adap,
 899                                 &rtl2832u_e4000_config);
 900                 break;
 901         case TUNER_RTL2832_FC2580:
 902                 fe = dvb_attach(fc2580_attach, adap->fe[0], &d->i2c_adap,
 903                                 &rtl2832u_fc2580_config);
 904                 break;
 905         case TUNER_RTL2832_TUA9001:
 906                 /* enable GPIO1 and GPIO4 as output */
 907                 ret = rtl28xx_wr_reg_mask(d, SYS_GPIO_DIR, 0x00, 0x12);
 908                 if (ret)
 909                         goto err;
 910
 911                 ret = rtl28xx_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x12, 0x12);
 912                 if (ret)
 913                         goto err;
 914
 915                 fe = dvb_attach(tua9001_attach, adap->fe[0], &d->i2c_adap,
 916                                 &rtl2832u_tua9001_config);
 917                 break;
 918         case TUNER_RTL2832_R820T:
 919                 fe = dvb_attach(r820t_attach, adap->fe[0], &d->i2c_adap,
 920                                 &rtl2832u_r820t_config);
 921
 922                 /* Use tuner to get the signal strength */
 923                 adap->fe[0]->ops.read_signal_strength =
 924                                 adap->fe[0]->ops.tuner_ops.get_rf_strength;
 925                 break;
 926         default:
 927                 fe = NULL;
 928                 dev_err(&d->udev->dev, "%s: unknown tuner=%d\n", KBUILD_MODNAME,
 929                                 priv->tuner);
 930         }
 931
 932         if (fe == NULL) {
 933                 ret = -ENODEV;
 934                 goto err;
 935         }
 936
 937         return 0;
 938 err:
 939         dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
 940         return ret;
 941 }
 942
 943 static int rtl28xxu_init(struct dvb_usb_device *d)
 944 {
 945         int ret;
 946         u8 val;
 947
 948         dev_dbg(&d->udev->dev, "%s:\n", __func__);
 949
 950         /* init USB endpoints */
 951         ret = rtl28xx_rd_reg(d, USB_SYSCTL_0, &val);
 952         if (ret)
 953                 goto err;
 954
 955         /* enable DMA and Full Packet Mode*/
 956         val |= 0x09;
 957         ret = rtl28xx_wr_reg(d, USB_SYSCTL_0, val);
 958         if (ret)
 959                 goto err;
 960
 961         /* set EPA maximum packet size to 0x0200 */
 962         ret = rtl28xx_wr_regs(d, USB_EPA_MAXPKT, "\x00\x02\x00\x00", 4);
 963         if (ret)
 964                 goto err;
 965
 966         /* change EPA FIFO length */
 967         ret = rtl28xx_wr_regs(d, USB_EPA_FIFO_CFG, "\x14\x00\x00\x00", 4);
 968         if (ret)
 969                 goto err;
 970
 971         return ret;
 972 err:
 973         dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
 974         return ret;
 975 }
 976
 977 static int rtl2831u_power_ctrl(struct dvb_usb_device *d, int onoff)
 978 {
 979         int ret;
 980         u8 gpio, sys0, epa_ctl[2];
 981
 982         dev_dbg(&d->udev->dev, "%s: onoff=%d\n", __func__, onoff);
 983
 984         /* demod adc */
 985         ret = rtl28xx_rd_reg(d, SYS_SYS0, &sys0);
 986         if (ret)
 987                 goto err;
 988
 989         /* tuner power, read GPIOs */
 990         ret = rtl28xx_rd_reg(d, SYS_GPIO_OUT_VAL, &gpio);
 991         if (ret)
 992                 goto err;
 993
 994         dev_dbg(&d->udev->dev, "%s: RD SYS0=%02x GPIO_OUT_VAL=%02x\n", __func__,
 995                         sys0, gpio);
 996
 997         if (onoff) {
 998                 gpio |= 0x01; /* GPIO0 = 1 */
 999                 gpio &= (~0x10); /* GPIO4 = 0 */
1000                 gpio |= 0x04; /* GPIO2 = 1, LED on */
1001                 sys0 = sys0 & 0x0f;
1002                 sys0 |= 0xe0;
1003                 epa_ctl[0] = 0x00; /* clear stall */
1004                 epa_ctl[1] = 0x00; /* clear reset */
1005         } else {
1006                 gpio &= (~0x01); /* GPIO0 = 0 */
1007                 gpio |= 0x10; /* GPIO4 = 1 */
1008                 gpio &= (~0x04); /* GPIO2 = 1, LED off */
1009                 sys0 = sys0 & (~0xc0);
1010                 epa_ctl[0] = 0x10; /* set stall */
1011                 epa_ctl[1] = 0x02; /* set reset */
1012         }
1013
1014         dev_dbg(&d->udev->dev, "%s: WR SYS0=%02x GPIO_OUT_VAL=%02x\n", __func__,
1015                         sys0, gpio);
1016
1017         /* demod adc */
1018         ret = rtl28xx_wr_reg(d, SYS_SYS0, sys0);
1019         if (ret)
1020                 goto err;
1021
1022         /* tuner power, write GPIOs */
1023         ret = rtl28xx_wr_reg(d, SYS_GPIO_OUT_VAL, gpio);
1024         if (ret)
1025                 goto err;
1026
1027         /* streaming EP: stall & reset */
1028         ret = rtl28xx_wr_regs(d, USB_EPA_CTL, epa_ctl, 2);
1029         if (ret)
1030                 goto err;
1031
1032         if (onoff)
1033                 usb_clear_halt(d->udev, usb_rcvbulkpipe(d->udev, 0x81));
1034
1035         return ret;
1036 err:
1037         dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
1038         return ret;
1039 }
1040
1041 static int rtl2832u_power_ctrl(struct dvb_usb_device *d, int onoff)
1042 {
1043         int ret;
1044
1045         dev_dbg(&d->udev->dev, "%s: onoff=%d\n", __func__, onoff);
1046
1047         if (onoff) {
1048                 /* GPIO3=1, GPIO4=0 */
1049                 ret = rtl28xx_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x08, 0x18);
1050                 if (ret)
1051                         goto err;
1052
1053                 /* suspend? */
1054                 ret = rtl28xx_wr_reg_mask(d, SYS_DEMOD_CTL1, 0x00, 0x10);
1055                 if (ret)
1056                         goto err;
1057
1058                 /* enable PLL */
1059                 ret = rtl28xx_wr_reg_mask(d, SYS_DEMOD_CTL, 0x80, 0x80);
1060                 if (ret)
1061                         goto err;
1062
1063                 /* disable reset */
1064                 ret = rtl28xx_wr_reg_mask(d, SYS_DEMOD_CTL, 0x20, 0x20);
1065                 if (ret)
1066                         goto err;
1067
1068                 mdelay(5);
1069
1070                 /* enable ADC */
1071                 ret = rtl28xx_wr_reg_mask(d, SYS_DEMOD_CTL, 0x48, 0x48);
1072                 if (ret)
1073                         goto err;
1074
1075                 /* streaming EP: clear stall & reset */
1076                 ret = rtl28xx_wr_regs(d, USB_EPA_CTL, "\x00\x00", 2);
1077                 if (ret)
1078                         goto err;
1079
1080                 ret = usb_clear_halt(d->udev, usb_rcvbulkpipe(d->udev, 0x81));
1081                 if (ret)
1082                         goto err;
1083         } else {
1084                 /* GPIO4=1 */
1085                 ret = rtl28xx_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x10, 0x10);
1086                 if (ret)
1087                         goto err;
1088
1089                 /* disable ADC */
1090                 ret = rtl28xx_wr_reg_mask(d, SYS_DEMOD_CTL, 0x00, 0x48);
1091                 if (ret)
1092                         goto err;
1093
1094                 /* disable PLL */
1095                 ret = rtl28xx_wr_reg_mask(d, SYS_DEMOD_CTL, 0x00, 0x80);
1096                 if (ret)
1097                         goto err;
1098
1099                 /* streaming EP: set stall & reset */
1100                 ret = rtl28xx_wr_regs(d, USB_EPA_CTL, "\x10\x02", 2);
1101                 if (ret)
1102                         goto err;
1103         }
1104
1105         return ret;
1106 err:
1107         dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
1108         return ret;
1109 }
1110
1111 #if IS_ENABLED(CONFIG_RC_CORE)
1112 static int rtl2831u_rc_query(struct dvb_usb_device *d)
1113 {
1114         int ret, i;
1115         struct rtl28xxu_priv *priv = d->priv;
1116         u8 buf[5];
1117         u32 rc_code;
1118         struct rtl28xxu_reg_val rc_nec_tab[] = {
1119                 { 0x3033, 0x80 },
1120                 { 0x3020, 0x43 },
1121                 { 0x3021, 0x16 },
1122                 { 0x3022, 0x16 },
1123                 { 0x3023, 0x5a },
1124                 { 0x3024, 0x2d },
1125                 { 0x3025, 0x16 },
1126                 { 0x3026, 0x01 },
1127                 { 0x3028, 0xb0 },
1128                 { 0x3029, 0x04 },
1129                 { 0x302c, 0x88 },
1130                 { 0x302e, 0x13 },
1131                 { 0x3030, 0xdf },
1132                 { 0x3031, 0x05 },
1133         };
1134
1135         /* init remote controller */
1136         if (!priv->rc_active) {
1137                 for (i = 0; i < ARRAY_SIZE(rc_nec_tab); i++) {
1138                         ret = rtl28xx_wr_reg(d, rc_nec_tab[i].reg,
1139                                         rc_nec_tab[i].val);
1140                         if (ret)
1141                                 goto err;
1142                 }
1143                 priv->rc_active = true;
1144         }
1145
1146         ret = rtl2831_rd_regs(d, SYS_IRRC_RP, buf, 5);
1147         if (ret)
1148                 goto err;
1149
1150         if (buf[4] & 0x01) {
1151                 if (buf[2] == (u8) ~buf[3]) {
1152                         if (buf[0] == (u8) ~buf[1]) {
1153                                 /* NEC standard (16 bit) */
1154                                 rc_code = buf[0] << 8 | buf[2];
1155                         } else {
1156                                 /* NEC extended (24 bit) */
1157                                 rc_code = buf[0] << 16 |
1158                                                 buf[1] << 8 | buf[2];
1159                         }
1160                 } else {
1161                         /* NEC full (32 bit) */
1162                         rc_code = buf[0] << 24 | buf[1] << 16 |
1163                                         buf[2] << 8 | buf[3];
1164                 }
1165
1166                 rc_keydown(d->rc_dev, rc_code, 0);
1167
1168                 ret = rtl28xx_wr_reg(d, SYS_IRRC_SR, 1);
1169                 if (ret)
1170                         goto err;
1171
1172                 /* repeated intentionally to avoid extra keypress */
1173                 ret = rtl28xx_wr_reg(d, SYS_IRRC_SR, 1);
1174                 if (ret)
1175                         goto err;
1176         }
1177
1178         return ret;
1179 err:
1180         dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
1181         return ret;
1182 }
1183
1184 static int rtl2831u_get_rc_config(struct dvb_usb_device *d,
1185                 struct dvb_usb_rc *rc)
1186 {
1187         rc->map_name = RC_MAP_EMPTY;
1188         rc->allowed_protos = RC_BIT_NEC;
1189         rc->query = rtl2831u_rc_query;
1190         rc->interval = 400;
1191
1192         return 0;
1193 }
1194
1195 static int rtl2832u_rc_query(struct dvb_usb_device *d)
1196 {
1197         int ret, i, len;
1198         struct rtl28xxu_priv *priv = d->priv;
1199         struct ir_raw_event ev;
1200         u8 buf[128];
1201         static const struct rtl28xxu_reg_val_mask refresh_tab[] = {
1202                 {IR_RX_IF,               0x03, 0xff},
1203                 {IR_RX_BUF_CTRL,         0x80, 0xff},
1204                 {IR_RX_CTRL,             0x80, 0xff},
1205         };
1206
1207         /* init remote controller */
1208         if (!priv->rc_active) {
1209                 static const struct rtl28xxu_reg_val_mask init_tab[] = {
1210                         {SYS_DEMOD_CTL1,         0x00, 0x04},
1211                         {SYS_DEMOD_CTL1,         0x00, 0x08},
1212                         {USB_CTRL,               0x20, 0x20},
1213                         {SYS_GPIO_DIR,           0x00, 0x08},
1214                         {SYS_GPIO_OUT_EN,        0x08, 0x08},
1215                         {SYS_GPIO_OUT_VAL,       0x08, 0x08},
1216                         {IR_MAX_DURATION0,       0xd0, 0xff},
1217                         {IR_MAX_DURATION1,       0x07, 0xff},
1218                         {IR_IDLE_LEN0,           0xc0, 0xff},
1219                         {IR_IDLE_LEN1,           0x00, 0xff},
1220                         {IR_GLITCH_LEN,          0x03, 0xff},
1221                         {IR_RX_CLK,              0x09, 0xff},
1222                         {IR_RX_CFG,              0x1c, 0xff},
1223                         {IR_MAX_H_TOL_LEN,       0x1e, 0xff},
1224                         {IR_MAX_L_TOL_LEN,       0x1e, 0xff},
1225                         {IR_RX_CTRL,             0x80, 0xff},
1226                 };
1227
1228                 for (i = 0; i < ARRAY_SIZE(init_tab); i++) {
1229                         ret = rtl28xx_wr_reg_mask(d, init_tab[i].reg,
1230                                         init_tab[i].val, init_tab[i].mask);
1231                         if (ret)
1232                                 goto err;
1233                 }
1234
1235                 priv->rc_active = true;
1236         }
1237
1238         ret = rtl28xx_rd_reg(d, IR_RX_IF, &buf[0]);
1239         if (ret)
1240                 goto err;
1241
1242         if (buf[0] != 0x83)
1243                 goto exit;
1244
1245         ret = rtl28xx_rd_reg(d, IR_RX_BC, &buf[0]);
1246         if (ret)
1247                 goto err;
1248
1249         len = buf[0];
1250
1251         /* read raw code from hw */
1252         ret = rtl2831_rd_regs(d, IR_RX_BUF, buf, len);
1253         if (ret)
1254                 goto err;
1255
1256         /* let hw receive new code */
1257         for (i = 0; i < ARRAY_SIZE(refresh_tab); i++) {
1258                 ret = rtl28xx_wr_reg_mask(d, refresh_tab[i].reg,
1259                                 refresh_tab[i].val, refresh_tab[i].mask);
1260                 if (ret)
1261                         goto err;
1262         }
1263
1264         /* pass data to Kernel IR decoder */
1265         init_ir_raw_event(&ev);
1266
1267         for (i = 0; i < len; i++) {
1268                 ev.pulse = buf[i] >> 7;
1269                 ev.duration = 50800 * (buf[i] & 0x7f);
1270                 ir_raw_event_store_with_filter(d->rc_dev, &ev);
1271         }
1272
1273         /* 'flush' ir_raw_event_store_with_filter() */
1274         ir_raw_event_set_idle(d->rc_dev, true);
1275         ir_raw_event_handle(d->rc_dev);
1276 exit:
1277         return ret;
1278 err:
1279         dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
1280         return ret;
1281 }
1282
1283 static int rtl2832u_get_rc_config(struct dvb_usb_device *d,
1284                 struct dvb_usb_rc *rc)
1285 {
1286         /* load empty to enable rc */
1287         if (!rc->map_name)
1288                 rc->map_name = RC_MAP_EMPTY;
1289         rc->allowed_protos = RC_BIT_ALL;
1290         rc->driver_type = RC_DRIVER_IR_RAW;
1291         rc->query = rtl2832u_rc_query;
1292         rc->interval = 400;
1293
1294         return 0;
1295 }
1296 #else
1297 #define rtl2831u_get_rc_config NULL
1298 #define rtl2832u_get_rc_config NULL
1299 #endif
1300
1301 static const struct dvb_usb_device_properties rtl2831u_props = {
1302         .driver_name = KBUILD_MODNAME,
1303         .owner = THIS_MODULE,
1304         .adapter_nr = adapter_nr,
1305         .size_of_priv = sizeof(struct rtl28xxu_priv),
1306
1307         .power_ctrl = rtl2831u_power_ctrl,
1308         .i2c_algo = &rtl28xxu_i2c_algo,
1309         .read_config = rtl2831u_read_config,
1310         .frontend_attach = rtl2831u_frontend_attach,
1311         .tuner_attach = rtl2831u_tuner_attach,
1312         .init = rtl28xxu_init,
1313         .get_rc_config = rtl2831u_get_rc_config,
1314
1315         .num_adapters = 1,
1316         .adapter = {
1317                 {
1318                         .stream = DVB_USB_STREAM_BULK(0x81, 6, 8 * 512),
1319                 },
1320         },
1321 };
1322
1323 static const struct dvb_usb_device_properties rtl2832u_props = {
1324         .driver_name = KBUILD_MODNAME,
1325         .owner = THIS_MODULE,
1326         .adapter_nr = adapter_nr,
1327         .size_of_priv = sizeof(struct rtl28xxu_priv),
1328
1329         .power_ctrl = rtl2832u_power_ctrl,
1330         .i2c_algo = &rtl28xxu_i2c_algo,
1331         .read_config = rtl2832u_read_config,
1332         .frontend_attach = rtl2832u_frontend_attach,
1333         .tuner_attach = rtl2832u_tuner_attach,
1334         .init = rtl28xxu_init,
1335         .get_rc_config = rtl2832u_get_rc_config,
1336
1337         .num_adapters = 1,
1338         .adapter = {
1339                 {
1340                         .stream = DVB_USB_STREAM_BULK(0x81, 6, 8 * 512),
1341                 },
1342         },
1343 };
1344
1345 static const struct usb_device_id rtl28xxu_id_table[] = {
1346         { DVB_USB_DEVICE(USB_VID_REALTEK, USB_PID_REALTEK_RTL2831U,
1347                 &rtl2831u_props, "Realtek RTL2831U reference design", NULL) },
1348         { DVB_USB_DEVICE(USB_VID_WIDEVIEW, USB_PID_FREECOM_DVBT,
1349                 &rtl2831u_props, "Freecom USB2.0 DVB-T", NULL) },
1350         { DVB_USB_DEVICE(USB_VID_WIDEVIEW, USB_PID_FREECOM_DVBT_2,
1351                 &rtl2831u_props, "Freecom USB2.0 DVB-T", NULL) },
1352
1353         { DVB_USB_DEVICE(USB_VID_REALTEK, 0x2832,
1354                 &rtl2832u_props, "Realtek RTL2832U reference design", NULL) },
1355         { DVB_USB_DEVICE(USB_VID_REALTEK, 0x2838,
1356                 &rtl2832u_props, "Realtek RTL2832U reference design", NULL) },
1357         { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_CINERGY_T_STICK_BLACK_REV1,
1358                 &rtl2832u_props, "TerraTec Cinergy T Stick Black", RC_MAP_TERRATEC_SLIM) },
1359         { DVB_USB_DEVICE(USB_VID_GTEK, USB_PID_DELOCK_USB2_DVBT,
1360                 &rtl2832u_props, "G-Tek Electronics Group Lifeview LV5TDLX DVB-T", NULL) },
1361         { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_NOXON_DAB_STICK,
1362                 &rtl2832u_props, "TerraTec NOXON DAB Stick", NULL) },
1363         { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_NOXON_DAB_STICK_REV2,
1364                 &rtl2832u_props, "TerraTec NOXON DAB Stick (rev 2)", NULL) },
1365         { DVB_USB_DEVICE(USB_VID_GTEK, USB_PID_TREKSTOR_TERRES_2_0,
1366                 &rtl2832u_props, "Trekstor DVB-T Stick Terres 2.0", NULL) },
1367         { DVB_USB_DEVICE(USB_VID_DEXATEK, 0x1101,
1368                 &rtl2832u_props, "Dexatek DK DVB-T Dongle", NULL) },
1369         { DVB_USB_DEVICE(USB_VID_LEADTEK, 0x6680,
1370                 &rtl2832u_props, "DigitalNow Quad DVB-T Receiver", NULL) },
1371         { DVB_USB_DEVICE(USB_VID_TERRATEC, 0x00d3,
1372                 &rtl2832u_props, "TerraTec Cinergy T Stick RC (Rev. 3)", NULL) },
1373         { DVB_USB_DEVICE(USB_VID_DEXATEK, 0x1102,
1374                 &rtl2832u_props, "Dexatek DK mini DVB-T Dongle", NULL) },
1375         { DVB_USB_DEVICE(USB_VID_TERRATEC, 0x00d7,
1376                 &rtl2832u_props, "TerraTec Cinergy T Stick+", NULL) },
1377         { DVB_USB_DEVICE(USB_VID_KWORLD_2, 0xd3a8,
1378                 &rtl2832u_props, "ASUS My Cinema-U3100Mini Plus V2", NULL) },
1379         { DVB_USB_DEVICE(USB_VID_KWORLD_2, 0xd393,
1380                 &rtl2832u_props, "GIGABYTE U7300", NULL) },
1381         { DVB_USB_DEVICE(USB_VID_DEXATEK, 0x1104,
1382                 &rtl2832u_props, "MSI DIGIVOX Micro HD", NULL) },
1383         { DVB_USB_DEVICE(USB_VID_COMPRO, 0x0620,
1384                 &rtl2832u_props, "Compro VideoMate U620F", NULL) },
1385         { DVB_USB_DEVICE(USB_VID_KWORLD_2, 0xd394,
1386                 &rtl2832u_props, "MaxMedia HU394-T", NULL) },
1387         { DVB_USB_DEVICE(USB_VID_LEADTEK, 0x6a03,
1388                 &rtl2832u_props, "Leadtek WinFast DTV Dongle mini", NULL) },
1389         { DVB_USB_DEVICE(USB_VID_GTEK, USB_PID_CPYTO_REDI_PC50A,
1390                 &rtl2832u_props, "Crypto ReDi PC 50 A", NULL) },
1391         { }
1392 };
1393 MODULE_DEVICE_TABLE(usb, rtl28xxu_id_table);
1394
1395 static struct usb_driver rtl28xxu_usb_driver = {
1396         .name = KBUILD_MODNAME,
1397         .id_table = rtl28xxu_id_table,
1398         .probe = dvb_usbv2_probe,
1399         .disconnect = dvb_usbv2_disconnect,
1400         .suspend = dvb_usbv2_suspend,
1401         .resume = dvb_usbv2_resume,
1402         .reset_resume = dvb_usbv2_reset_resume,
1403         .no_dynamic_id = 1,
1404         .soft_unbind = 1,
1405 };
1406
1407 module_usb_driver(rtl28xxu_usb_driver);
1408
1409 MODULE_DESCRIPTION("Realtek RTL28xxU DVB USB driver");
1410 MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
1411 MODULE_AUTHOR("Thomas Mair <thomas.mair86@googlemail.com>");
1412 MODULE_LICENSE("GPL");