linux/drivers/media/usb/dvb-usb-v2/rtl28xxu.c
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   1// SPDX-License-Identifier: GPL-2.0-or-later
   2/*
   3 * Realtek RTL28xxU DVB USB driver
   4 *
   5 * Copyright (C) 2009 Antti Palosaari <crope@iki.fi>
   6 * Copyright (C) 2011 Antti Palosaari <crope@iki.fi>
   7 * Copyright (C) 2012 Thomas Mair <thomas.mair86@googlemail.com>
   8 */
   9
  10#include "rtl28xxu.h"
  11
  12static int rtl28xxu_disable_rc;
  13module_param_named(disable_rc, rtl28xxu_disable_rc, int, 0644);
  14MODULE_PARM_DESC(disable_rc, "disable RTL2832U remote controller");
  15DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
  16
  17static int rtl28xxu_ctrl_msg(struct dvb_usb_device *d, struct rtl28xxu_req *req)
  18{
  19        struct rtl28xxu_dev *dev = d->priv;
  20        int ret;
  21        unsigned int pipe;
  22        u8 requesttype;
  23
  24        mutex_lock(&d->usb_mutex);
  25
  26        if (req->size > sizeof(dev->buf)) {
  27                dev_err(&d->intf->dev, "too large message %u\n", req->size);
  28                ret = -EINVAL;
  29                goto err_mutex_unlock;
  30        }
  31
  32        if (req->index & CMD_WR_FLAG) {
  33                /* write */
  34                memcpy(dev->buf, req->data, req->size);
  35                requesttype = (USB_TYPE_VENDOR | USB_DIR_OUT);
  36                pipe = usb_sndctrlpipe(d->udev, 0);
  37        } else {
  38                /* read */
  39                requesttype = (USB_TYPE_VENDOR | USB_DIR_IN);
  40
  41                /*
  42                 * Zero-length transfers must use usb_sndctrlpipe() and
  43                 * rtl28xxu_identify_state() uses a zero-length i2c read
  44                 * command to determine the chip type.
  45                 */
  46                if (req->size)
  47                        pipe = usb_rcvctrlpipe(d->udev, 0);
  48                else
  49                        pipe = usb_sndctrlpipe(d->udev, 0);
  50        }
  51
  52        ret = usb_control_msg(d->udev, pipe, 0, requesttype, req->value,
  53                        req->index, dev->buf, req->size, 1000);
  54        dvb_usb_dbg_usb_control_msg(d->udev, 0, requesttype, req->value,
  55                        req->index, dev->buf, req->size);
  56        if (ret < 0)
  57                goto err_mutex_unlock;
  58
  59        /* read request, copy returned data to return buf */
  60        if (requesttype == (USB_TYPE_VENDOR | USB_DIR_IN))
  61                memcpy(req->data, dev->buf, req->size);
  62
  63        mutex_unlock(&d->usb_mutex);
  64
  65        return 0;
  66err_mutex_unlock:
  67        mutex_unlock(&d->usb_mutex);
  68        dev_dbg(&d->intf->dev, "failed=%d\n", ret);
  69        return ret;
  70}
  71
  72static int rtl28xxu_wr_regs(struct dvb_usb_device *d, u16 reg, u8 *val, int len)
  73{
  74        struct rtl28xxu_req req;
  75
  76        if (reg < 0x3000)
  77                req.index = CMD_USB_WR;
  78        else if (reg < 0x4000)
  79                req.index = CMD_SYS_WR;
  80        else
  81                req.index = CMD_IR_WR;
  82
  83        req.value = reg;
  84        req.size = len;
  85        req.data = val;
  86
  87        return rtl28xxu_ctrl_msg(d, &req);
  88}
  89
  90static int rtl28xxu_rd_regs(struct dvb_usb_device *d, u16 reg, u8 *val, int len)
  91{
  92        struct rtl28xxu_req req;
  93
  94        if (reg < 0x3000)
  95                req.index = CMD_USB_RD;
  96        else if (reg < 0x4000)
  97                req.index = CMD_SYS_RD;
  98        else
  99                req.index = CMD_IR_RD;
 100
 101        req.value = reg;
 102        req.size = len;
 103        req.data = val;
 104
 105        return rtl28xxu_ctrl_msg(d, &req);
 106}
 107
 108static int rtl28xxu_wr_reg(struct dvb_usb_device *d, u16 reg, u8 val)
 109{
 110        return rtl28xxu_wr_regs(d, reg, &val, 1);
 111}
 112
 113static int rtl28xxu_rd_reg(struct dvb_usb_device *d, u16 reg, u8 *val)
 114{
 115        return rtl28xxu_rd_regs(d, reg, val, 1);
 116}
 117
 118static int rtl28xxu_wr_reg_mask(struct dvb_usb_device *d, u16 reg, u8 val,
 119                u8 mask)
 120{
 121        int ret;
 122        u8 tmp;
 123
 124        /* no need for read if whole reg is written */
 125        if (mask != 0xff) {
 126                ret = rtl28xxu_rd_reg(d, reg, &tmp);
 127                if (ret)
 128                        return ret;
 129
 130                val &= mask;
 131                tmp &= ~mask;
 132                val |= tmp;
 133        }
 134
 135        return rtl28xxu_wr_reg(d, reg, val);
 136}
 137
 138/* I2C */
 139static int rtl28xxu_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[],
 140        int num)
 141{
 142        int ret;
 143        struct dvb_usb_device *d = i2c_get_adapdata(adap);
 144        struct rtl28xxu_dev *dev = d->priv;
 145        struct rtl28xxu_req req;
 146
 147        /*
 148         * It is not known which are real I2C bus xfer limits, but testing
 149         * with RTL2831U + MT2060 gives max RD 24 and max WR 22 bytes.
 150         * TODO: find out RTL2832U lens
 151         */
 152
 153        /*
 154         * I2C adapter logic looks rather complicated due to fact it handles
 155         * three different access methods. Those methods are;
 156         * 1) integrated demod access
 157         * 2) old I2C access
 158         * 3) new I2C access
 159         *
 160         * Used method is selected in order 1, 2, 3. Method 3 can handle all
 161         * requests but there is two reasons why not use it always;
 162         * 1) It is most expensive, usually two USB messages are needed
 163         * 2) At least RTL2831U does not support it
 164         *
 165         * Method 3 is needed in case of I2C write+read (typical register read)
 166         * where write is more than one byte.
 167         */
 168
 169        if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
 170                return -EAGAIN;
 171
 172        if (num == 2 && !(msg[0].flags & I2C_M_RD) &&
 173                (msg[1].flags & I2C_M_RD)) {
 174                if (msg[0].len > 24 || msg[1].len > 24) {
 175                        /* TODO: check msg[0].len max */
 176                        ret = -EOPNOTSUPP;
 177                        goto err_mutex_unlock;
 178                } else if (msg[0].addr == 0x10) {
 179                        /* method 1 - integrated demod */
 180                        if (msg[0].buf[0] == 0x00) {
 181                                /* return demod page from driver cache */
 182                                msg[1].buf[0] = dev->page;
 183                                ret = 0;
 184                        } else {
 185                                req.value = (msg[0].buf[0] << 8) | (msg[0].addr << 1);
 186                                req.index = CMD_DEMOD_RD | dev->page;
 187                                req.size = msg[1].len;
 188                                req.data = &msg[1].buf[0];
 189                                ret = rtl28xxu_ctrl_msg(d, &req);
 190                        }
 191                } else if (msg[0].len < 2) {
 192                        /* method 2 - old I2C */
 193                        req.value = (msg[0].buf[0] << 8) | (msg[0].addr << 1);
 194                        req.index = CMD_I2C_RD;
 195                        req.size = msg[1].len;
 196                        req.data = &msg[1].buf[0];
 197                        ret = rtl28xxu_ctrl_msg(d, &req);
 198                } else {
 199                        /* method 3 - new I2C */
 200                        req.value = (msg[0].addr << 1);
 201                        req.index = CMD_I2C_DA_WR;
 202                        req.size = msg[0].len;
 203                        req.data = msg[0].buf;
 204                        ret = rtl28xxu_ctrl_msg(d, &req);
 205                        if (ret)
 206                                goto err_mutex_unlock;
 207
 208                        req.value = (msg[0].addr << 1);
 209                        req.index = CMD_I2C_DA_RD;
 210                        req.size = msg[1].len;
 211                        req.data = msg[1].buf;
 212                        ret = rtl28xxu_ctrl_msg(d, &req);
 213                }
 214        } else if (num == 1 && !(msg[0].flags & I2C_M_RD)) {
 215                if (msg[0].len > 22) {
 216                        /* TODO: check msg[0].len max */
 217                        ret = -EOPNOTSUPP;
 218                        goto err_mutex_unlock;
 219                } else if (msg[0].addr == 0x10) {
 220                        /* method 1 - integrated demod */
 221                        if (msg[0].buf[0] == 0x00) {
 222                                /* save demod page for later demod access */
 223                                dev->page = msg[0].buf[1];
 224                                ret = 0;
 225                        } else {
 226                                req.value = (msg[0].buf[0] << 8) |
 227                                        (msg[0].addr << 1);
 228                                req.index = CMD_DEMOD_WR | dev->page;
 229                                req.size = msg[0].len-1;
 230                                req.data = &msg[0].buf[1];
 231                                ret = rtl28xxu_ctrl_msg(d, &req);
 232                        }
 233                } else if ((msg[0].len < 23) && (!dev->new_i2c_write)) {
 234                        /* method 2 - old I2C */
 235                        req.value = (msg[0].buf[0] << 8) | (msg[0].addr << 1);
 236                        req.index = CMD_I2C_WR;
 237                        req.size = msg[0].len-1;
 238                        req.data = &msg[0].buf[1];
 239                        ret = rtl28xxu_ctrl_msg(d, &req);
 240                } else {
 241                        /* method 3 - new I2C */
 242                        req.value = (msg[0].addr << 1);
 243                        req.index = CMD_I2C_DA_WR;
 244                        req.size = msg[0].len;
 245                        req.data = msg[0].buf;
 246                        ret = rtl28xxu_ctrl_msg(d, &req);
 247                }
 248        } else if (num == 1 && (msg[0].flags & I2C_M_RD)) {
 249                req.value = (msg[0].addr << 1);
 250                req.index = CMD_I2C_DA_RD;
 251                req.size = msg[0].len;
 252                req.data = msg[0].buf;
 253                ret = rtl28xxu_ctrl_msg(d, &req);
 254        } else {
 255                ret = -EOPNOTSUPP;
 256        }
 257
 258        /* Retry failed I2C messages */
 259        if (ret == -EPIPE)
 260                ret = -EAGAIN;
 261
 262err_mutex_unlock:
 263        mutex_unlock(&d->i2c_mutex);
 264
 265        return ret ? ret : num;
 266}
 267
 268static u32 rtl28xxu_i2c_func(struct i2c_adapter *adapter)
 269{
 270        return I2C_FUNC_I2C;
 271}
 272
 273static struct i2c_algorithm rtl28xxu_i2c_algo = {
 274        .master_xfer   = rtl28xxu_i2c_xfer,
 275        .functionality = rtl28xxu_i2c_func,
 276};
 277
 278static int rtl2831u_read_config(struct dvb_usb_device *d)
 279{
 280        struct rtl28xxu_dev *dev = d_to_priv(d);
 281        int ret;
 282        u8 buf[1];
 283        /* open RTL2831U/RTL2830 I2C gate */
 284        struct rtl28xxu_req req_gate_open = {0x0120, 0x0011, 0x0001, "\x08"};
 285        /* tuner probes */
 286        struct rtl28xxu_req req_mt2060 = {0x00c0, CMD_I2C_RD, 1, buf};
 287        struct rtl28xxu_req req_qt1010 = {0x0fc4, CMD_I2C_RD, 1, buf};
 288
 289        dev_dbg(&d->intf->dev, "\n");
 290
 291        /*
 292         * RTL2831U GPIOs
 293         * =========================================================
 294         * GPIO0 | tuner#0 | 0 off | 1 on  | MXL5005S (?)
 295         * GPIO2 | LED     | 0 off | 1 on  |
 296         * GPIO4 | tuner#1 | 0 on  | 1 off | MT2060
 297         */
 298
 299        /* GPIO direction */
 300        ret = rtl28xxu_wr_reg(d, SYS_GPIO_DIR, 0x0a);
 301        if (ret)
 302                goto err;
 303
 304        /* enable as output GPIO0, GPIO2, GPIO4 */
 305        ret = rtl28xxu_wr_reg(d, SYS_GPIO_OUT_EN, 0x15);
 306        if (ret)
 307                goto err;
 308
 309        /*
 310         * Probe used tuner. We need to know used tuner before demod attach
 311         * since there is some demod params needed to set according to tuner.
 312         */
 313
 314        /* demod needs some time to wake up */
 315        msleep(20);
 316
 317        dev->tuner_name = "NONE";
 318
 319        /* open demod I2C gate */
 320        ret = rtl28xxu_ctrl_msg(d, &req_gate_open);
 321        if (ret)
 322                goto err;
 323
 324        /* check QT1010 ID(?) register; reg=0f val=2c */
 325        ret = rtl28xxu_ctrl_msg(d, &req_qt1010);
 326        if (ret == 0 && buf[0] == 0x2c) {
 327                dev->tuner = TUNER_RTL2830_QT1010;
 328                dev->tuner_name = "QT1010";
 329                goto found;
 330        }
 331
 332        /* open demod I2C gate */
 333        ret = rtl28xxu_ctrl_msg(d, &req_gate_open);
 334        if (ret)
 335                goto err;
 336
 337        /* check MT2060 ID register; reg=00 val=63 */
 338        ret = rtl28xxu_ctrl_msg(d, &req_mt2060);
 339        if (ret == 0 && buf[0] == 0x63) {
 340                dev->tuner = TUNER_RTL2830_MT2060;
 341                dev->tuner_name = "MT2060";
 342                goto found;
 343        }
 344
 345        /* assume MXL5005S */
 346        dev->tuner = TUNER_RTL2830_MXL5005S;
 347        dev->tuner_name = "MXL5005S";
 348        goto found;
 349
 350found:
 351        dev_dbg(&d->intf->dev, "tuner=%s\n", dev->tuner_name);
 352
 353        return 0;
 354err:
 355        dev_dbg(&d->intf->dev, "failed=%d\n", ret);
 356        return ret;
 357}
 358
 359static int rtl2832u_read_config(struct dvb_usb_device *d)
 360{
 361        struct rtl28xxu_dev *dev = d_to_priv(d);
 362        int ret;
 363        u8 buf[2];
 364        /* open RTL2832U/RTL2832 I2C gate */
 365        struct rtl28xxu_req req_gate_open = {0x0120, 0x0011, 0x0001, "\x18"};
 366        /* close RTL2832U/RTL2832 I2C gate */
 367        struct rtl28xxu_req req_gate_close = {0x0120, 0x0011, 0x0001, "\x10"};
 368        /* tuner probes */
 369        struct rtl28xxu_req req_fc0012 = {0x00c6, CMD_I2C_RD, 1, buf};
 370        struct rtl28xxu_req req_fc0013 = {0x00c6, CMD_I2C_RD, 1, buf};
 371        struct rtl28xxu_req req_mt2266 = {0x00c0, CMD_I2C_RD, 1, buf};
 372        struct rtl28xxu_req req_fc2580 = {0x01ac, CMD_I2C_RD, 1, buf};
 373        struct rtl28xxu_req req_mt2063 = {0x00c0, CMD_I2C_RD, 1, buf};
 374        struct rtl28xxu_req req_max3543 = {0x00c0, CMD_I2C_RD, 1, buf};
 375        struct rtl28xxu_req req_tua9001 = {0x7ec0, CMD_I2C_RD, 2, buf};
 376        struct rtl28xxu_req req_mxl5007t = {0xd9c0, CMD_I2C_RD, 1, buf};
 377        struct rtl28xxu_req req_e4000 = {0x02c8, CMD_I2C_RD, 1, buf};
 378        struct rtl28xxu_req req_tda18272 = {0x00c0, CMD_I2C_RD, 2, buf};
 379        struct rtl28xxu_req req_r820t = {0x0034, CMD_I2C_RD, 1, buf};
 380        struct rtl28xxu_req req_r828d = {0x0074, CMD_I2C_RD, 1, buf};
 381        struct rtl28xxu_req req_mn88472 = {0xff38, CMD_I2C_RD, 1, buf};
 382        struct rtl28xxu_req req_mn88473 = {0xff38, CMD_I2C_RD, 1, buf};
 383        struct rtl28xxu_req req_cxd2837er = {0xfdd8, CMD_I2C_RD, 1, buf};
 384        struct rtl28xxu_req req_si2157 = {0x00c0, CMD_I2C_RD, 1, buf};
 385        struct rtl28xxu_req req_si2168 = {0x00c8, CMD_I2C_RD, 1, buf};
 386
 387        dev_dbg(&d->intf->dev, "\n");
 388
 389        /* enable GPIO3 and GPIO6 as output */
 390        ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_DIR, 0x00, 0x40);
 391        if (ret)
 392                goto err;
 393
 394        ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x48, 0x48);
 395        if (ret)
 396                goto err;
 397
 398        /*
 399         * Probe used tuner. We need to know used tuner before demod attach
 400         * since there is some demod params needed to set according to tuner.
 401         */
 402
 403        /* open demod I2C gate */
 404        ret = rtl28xxu_ctrl_msg(d, &req_gate_open);
 405        if (ret)
 406                goto err;
 407
 408        dev->tuner_name = "NONE";
 409
 410        /* check FC0012 ID register; reg=00 val=a1 */
 411        ret = rtl28xxu_ctrl_msg(d, &req_fc0012);
 412        if (ret == 0 && buf[0] == 0xa1) {
 413                dev->tuner = TUNER_RTL2832_FC0012;
 414                dev->tuner_name = "FC0012";
 415                goto tuner_found;
 416        }
 417
 418        /* check FC0013 ID register; reg=00 val=a3 */
 419        ret = rtl28xxu_ctrl_msg(d, &req_fc0013);
 420        if (ret == 0 && buf[0] == 0xa3) {
 421                dev->tuner = TUNER_RTL2832_FC0013;
 422                dev->tuner_name = "FC0013";
 423                goto tuner_found;
 424        }
 425
 426        /* check MT2266 ID register; reg=00 val=85 */
 427        ret = rtl28xxu_ctrl_msg(d, &req_mt2266);
 428        if (ret == 0 && buf[0] == 0x85) {
 429                dev->tuner = TUNER_RTL2832_MT2266;
 430                dev->tuner_name = "MT2266";
 431                goto tuner_found;
 432        }
 433
 434        /* check FC2580 ID register; reg=01 val=56 */
 435        ret = rtl28xxu_ctrl_msg(d, &req_fc2580);
 436        if (ret == 0 && buf[0] == 0x56) {
 437                dev->tuner = TUNER_RTL2832_FC2580;
 438                dev->tuner_name = "FC2580";
 439                goto tuner_found;
 440        }
 441
 442        /* check MT2063 ID register; reg=00 val=9e || 9c */
 443        ret = rtl28xxu_ctrl_msg(d, &req_mt2063);
 444        if (ret == 0 && (buf[0] == 0x9e || buf[0] == 0x9c)) {
 445                dev->tuner = TUNER_RTL2832_MT2063;
 446                dev->tuner_name = "MT2063";
 447                goto tuner_found;
 448        }
 449
 450        /* check MAX3543 ID register; reg=00 val=38 */
 451        ret = rtl28xxu_ctrl_msg(d, &req_max3543);
 452        if (ret == 0 && buf[0] == 0x38) {
 453                dev->tuner = TUNER_RTL2832_MAX3543;
 454                dev->tuner_name = "MAX3543";
 455                goto tuner_found;
 456        }
 457
 458        /* check TUA9001 ID register; reg=7e val=2328 */
 459        ret = rtl28xxu_ctrl_msg(d, &req_tua9001);
 460        if (ret == 0 && buf[0] == 0x23 && buf[1] == 0x28) {
 461                dev->tuner = TUNER_RTL2832_TUA9001;
 462                dev->tuner_name = "TUA9001";
 463                goto tuner_found;
 464        }
 465
 466        /* check MXL5007R ID register; reg=d9 val=14 */
 467        ret = rtl28xxu_ctrl_msg(d, &req_mxl5007t);
 468        if (ret == 0 && buf[0] == 0x14) {
 469                dev->tuner = TUNER_RTL2832_MXL5007T;
 470                dev->tuner_name = "MXL5007T";
 471                goto tuner_found;
 472        }
 473
 474        /* check E4000 ID register; reg=02 val=40 */
 475        ret = rtl28xxu_ctrl_msg(d, &req_e4000);
 476        if (ret == 0 && buf[0] == 0x40) {
 477                dev->tuner = TUNER_RTL2832_E4000;
 478                dev->tuner_name = "E4000";
 479                goto tuner_found;
 480        }
 481
 482        /* check TDA18272 ID register; reg=00 val=c760  */
 483        ret = rtl28xxu_ctrl_msg(d, &req_tda18272);
 484        if (ret == 0 && (buf[0] == 0xc7 || buf[1] == 0x60)) {
 485                dev->tuner = TUNER_RTL2832_TDA18272;
 486                dev->tuner_name = "TDA18272";
 487                goto tuner_found;
 488        }
 489
 490        /* check R820T ID register; reg=00 val=69 */
 491        ret = rtl28xxu_ctrl_msg(d, &req_r820t);
 492        if (ret == 0 && buf[0] == 0x69) {
 493                dev->tuner = TUNER_RTL2832_R820T;
 494                dev->tuner_name = "R820T";
 495                goto tuner_found;
 496        }
 497
 498        /* check R828D ID register; reg=00 val=69 */
 499        ret = rtl28xxu_ctrl_msg(d, &req_r828d);
 500        if (ret == 0 && buf[0] == 0x69) {
 501                dev->tuner = TUNER_RTL2832_R828D;
 502                dev->tuner_name = "R828D";
 503                goto tuner_found;
 504        }
 505
 506        /* GPIO0 and GPIO5 to reset Si2157/Si2168 tuner and demod */
 507        ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x00, 0x21);
 508        if (ret)
 509                goto err;
 510
 511        ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x00, 0x21);
 512        if (ret)
 513                goto err;
 514
 515        msleep(50);
 516
 517        ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x21, 0x21);
 518        if (ret)
 519                goto err;
 520
 521        ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x21, 0x21);
 522        if (ret)
 523                goto err;
 524
 525        msleep(50);
 526
 527        /* check Si2157 ID register; reg=c0 val=80 */
 528        ret = rtl28xxu_ctrl_msg(d, &req_si2157);
 529        if (ret == 0 && ((buf[0] & 0x80) == 0x80)) {
 530                dev->tuner = TUNER_RTL2832_SI2157;
 531                dev->tuner_name = "SI2157";
 532                goto tuner_found;
 533        }
 534
 535tuner_found:
 536        dev_dbg(&d->intf->dev, "tuner=%s\n", dev->tuner_name);
 537
 538        /* probe slave demod */
 539        if (dev->tuner == TUNER_RTL2832_R828D) {
 540                /* power off slave demod on GPIO0 to reset CXD2837ER */
 541                ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x00, 0x01);
 542                if (ret)
 543                        goto err;
 544
 545                ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x00, 0x01);
 546                if (ret)
 547                        goto err;
 548
 549                msleep(50);
 550
 551                /* power on slave demod on GPIO0 */
 552                ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x01, 0x01);
 553                if (ret)
 554                        goto err;
 555
 556                ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_DIR, 0x00, 0x01);
 557                if (ret)
 558                        goto err;
 559
 560                ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x01, 0x01);
 561                if (ret)
 562                        goto err;
 563
 564                /* slave demod needs some time to wake up */
 565                msleep(20);
 566
 567                /* check slave answers */
 568                ret = rtl28xxu_ctrl_msg(d, &req_mn88472);
 569                if (ret == 0 && buf[0] == 0x02) {
 570                        dev_dbg(&d->intf->dev, "MN88472 found\n");
 571                        dev->slave_demod = SLAVE_DEMOD_MN88472;
 572                        goto demod_found;
 573                }
 574
 575                ret = rtl28xxu_ctrl_msg(d, &req_mn88473);
 576                if (ret == 0 && buf[0] == 0x03) {
 577                        dev_dbg(&d->intf->dev, "MN88473 found\n");
 578                        dev->slave_demod = SLAVE_DEMOD_MN88473;
 579                        goto demod_found;
 580                }
 581
 582                ret = rtl28xxu_ctrl_msg(d, &req_cxd2837er);
 583                if (ret == 0 && buf[0] == 0xb1) {
 584                        dev_dbg(&d->intf->dev, "CXD2837ER found\n");
 585                        dev->slave_demod = SLAVE_DEMOD_CXD2837ER;
 586                        goto demod_found;
 587                }
 588        }
 589        if (dev->tuner == TUNER_RTL2832_SI2157) {
 590                /* check Si2168 ID register; reg=c8 val=80 */
 591                ret = rtl28xxu_ctrl_msg(d, &req_si2168);
 592                if (ret == 0 && ((buf[0] & 0x80) == 0x80)) {
 593                        dev_dbg(&d->intf->dev, "Si2168 found\n");
 594                        dev->slave_demod = SLAVE_DEMOD_SI2168;
 595                        goto demod_found;
 596                }
 597        }
 598
 599demod_found:
 600        /* close demod I2C gate */
 601        ret = rtl28xxu_ctrl_msg(d, &req_gate_close);
 602        if (ret < 0)
 603                goto err;
 604
 605        return 0;
 606err:
 607        dev_dbg(&d->intf->dev, "failed=%d\n", ret);
 608        return ret;
 609}
 610
 611static int rtl28xxu_read_config(struct dvb_usb_device *d)
 612{
 613        struct rtl28xxu_dev *dev = d_to_priv(d);
 614
 615        if (dev->chip_id == CHIP_ID_RTL2831U)
 616                return rtl2831u_read_config(d);
 617        else
 618                return rtl2832u_read_config(d);
 619}
 620
 621static int rtl28xxu_identify_state(struct dvb_usb_device *d, const char **name)
 622{
 623        struct rtl28xxu_dev *dev = d_to_priv(d);
 624        int ret;
 625        struct rtl28xxu_req req_demod_i2c = {0x0020, CMD_I2C_DA_RD, 0, NULL};
 626
 627        dev_dbg(&d->intf->dev, "\n");
 628
 629        /*
 630         * Detect chip type using I2C command that is not supported
 631         * by old RTL2831U.
 632         */
 633        ret = rtl28xxu_ctrl_msg(d, &req_demod_i2c);
 634        if (ret == -EPIPE) {
 635                dev->chip_id = CHIP_ID_RTL2831U;
 636        } else if (ret == 0) {
 637                dev->chip_id = CHIP_ID_RTL2832U;
 638        } else {
 639                dev_err(&d->intf->dev, "chip type detection failed %d\n", ret);
 640                goto err;
 641        }
 642        dev_dbg(&d->intf->dev, "chip_id=%u\n", dev->chip_id);
 643
 644        /* Retry failed I2C messages */
 645        d->i2c_adap.retries = 3;
 646        d->i2c_adap.timeout = msecs_to_jiffies(10);
 647
 648        return WARM;
 649err:
 650        dev_dbg(&d->intf->dev, "failed=%d\n", ret);
 651        return ret;
 652}
 653
 654static const struct rtl2830_platform_data rtl2830_mt2060_platform_data = {
 655        .clk = 28800000,
 656        .spec_inv = 1,
 657        .vtop = 0x20,
 658        .krf = 0x04,
 659        .agc_targ_val = 0x2d,
 660
 661};
 662
 663static const struct rtl2830_platform_data rtl2830_qt1010_platform_data = {
 664        .clk = 28800000,
 665        .spec_inv = 1,
 666        .vtop = 0x20,
 667        .krf = 0x04,
 668        .agc_targ_val = 0x2d,
 669};
 670
 671static const struct rtl2830_platform_data rtl2830_mxl5005s_platform_data = {
 672        .clk = 28800000,
 673        .spec_inv = 0,
 674        .vtop = 0x3f,
 675        .krf = 0x04,
 676        .agc_targ_val = 0x3e,
 677};
 678
 679static int rtl2831u_frontend_attach(struct dvb_usb_adapter *adap)
 680{
 681        struct dvb_usb_device *d = adap_to_d(adap);
 682        struct rtl28xxu_dev *dev = d_to_priv(d);
 683        struct rtl2830_platform_data *pdata = &dev->rtl2830_platform_data;
 684        struct i2c_board_info board_info;
 685        struct i2c_client *client;
 686        int ret;
 687
 688        dev_dbg(&d->intf->dev, "\n");
 689
 690        switch (dev->tuner) {
 691        case TUNER_RTL2830_QT1010:
 692                *pdata = rtl2830_qt1010_platform_data;
 693                break;
 694        case TUNER_RTL2830_MT2060:
 695                *pdata = rtl2830_mt2060_platform_data;
 696                break;
 697        case TUNER_RTL2830_MXL5005S:
 698                *pdata = rtl2830_mxl5005s_platform_data;
 699                break;
 700        default:
 701                dev_err(&d->intf->dev, "unknown tuner %s\n", dev->tuner_name);
 702                ret = -ENODEV;
 703                goto err;
 704        }
 705
 706        /* attach demodulator */
 707        memset(&board_info, 0, sizeof(board_info));
 708        strscpy(board_info.type, "rtl2830", I2C_NAME_SIZE);
 709        board_info.addr = 0x10;
 710        board_info.platform_data = pdata;
 711        request_module("%s", board_info.type);
 712        client = i2c_new_client_device(&d->i2c_adap, &board_info);
 713        if (!i2c_client_has_driver(client)) {
 714                ret = -ENODEV;
 715                goto err;
 716        }
 717
 718        if (!try_module_get(client->dev.driver->owner)) {
 719                i2c_unregister_device(client);
 720                ret = -ENODEV;
 721                goto err;
 722        }
 723
 724        adap->fe[0] = pdata->get_dvb_frontend(client);
 725        dev->demod_i2c_adapter = pdata->get_i2c_adapter(client);
 726
 727        dev->i2c_client_demod = client;
 728
 729        return 0;
 730err:
 731        dev_dbg(&d->intf->dev, "failed=%d\n", ret);
 732        return ret;
 733}
 734
 735static const struct rtl2832_platform_data rtl2832_fc2580_platform_data = {
 736        .clk = 28800000,
 737        .tuner = TUNER_RTL2832_FC2580,
 738};
 739
 740static const struct rtl2832_platform_data rtl2832_fc0012_platform_data = {
 741        .clk = 28800000,
 742        .tuner = TUNER_RTL2832_FC0012
 743};
 744
 745static const struct rtl2832_platform_data rtl2832_fc0013_platform_data = {
 746        .clk = 28800000,
 747        .tuner = TUNER_RTL2832_FC0013
 748};
 749
 750static const struct rtl2832_platform_data rtl2832_tua9001_platform_data = {
 751        .clk = 28800000,
 752        .tuner = TUNER_RTL2832_TUA9001,
 753};
 754
 755static const struct rtl2832_platform_data rtl2832_e4000_platform_data = {
 756        .clk = 28800000,
 757        .tuner = TUNER_RTL2832_E4000,
 758};
 759
 760static const struct rtl2832_platform_data rtl2832_r820t_platform_data = {
 761        .clk = 28800000,
 762        .tuner = TUNER_RTL2832_R820T,
 763};
 764
 765static const struct rtl2832_platform_data rtl2832_si2157_platform_data = {
 766        .clk = 28800000,
 767        .tuner = TUNER_RTL2832_SI2157,
 768};
 769
 770static int rtl2832u_fc0012_tuner_callback(struct dvb_usb_device *d,
 771                int cmd, int arg)
 772{
 773        int ret;
 774        u8 val;
 775
 776        dev_dbg(&d->intf->dev, "cmd=%d arg=%d\n", cmd, arg);
 777
 778        switch (cmd) {
 779        case FC_FE_CALLBACK_VHF_ENABLE:
 780                /* set output values */
 781                ret = rtl28xxu_rd_reg(d, SYS_GPIO_OUT_VAL, &val);
 782                if (ret)
 783                        goto err;
 784
 785                if (arg)
 786                        val &= 0xbf; /* set GPIO6 low */
 787                else
 788                        val |= 0x40; /* set GPIO6 high */
 789
 790
 791                ret = rtl28xxu_wr_reg(d, SYS_GPIO_OUT_VAL, val);
 792                if (ret)
 793                        goto err;
 794                break;
 795        default:
 796                ret = -EINVAL;
 797                goto err;
 798        }
 799        return 0;
 800err:
 801        dev_dbg(&d->intf->dev, "failed=%d\n", ret);
 802        return ret;
 803}
 804
 805static int rtl2832u_tua9001_tuner_callback(struct dvb_usb_device *d,
 806                int cmd, int arg)
 807{
 808        int ret;
 809        u8 val;
 810
 811        dev_dbg(&d->intf->dev, "cmd=%d arg=%d\n", cmd, arg);
 812
 813        /*
 814         * CEN     always enabled by hardware wiring
 815         * RESETN  GPIO4
 816         * RXEN    GPIO1
 817         */
 818
 819        switch (cmd) {
 820        case TUA9001_CMD_RESETN:
 821                if (arg)
 822                        val = (1 << 4);
 823                else
 824                        val = (0 << 4);
 825
 826                ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, val, 0x10);
 827                if (ret)
 828                        goto err;
 829                break;
 830        case TUA9001_CMD_RXEN:
 831                if (arg)
 832                        val = (1 << 1);
 833                else
 834                        val = (0 << 1);
 835
 836                ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, val, 0x02);
 837                if (ret)
 838                        goto err;
 839                break;
 840        }
 841
 842        return 0;
 843err:
 844        dev_dbg(&d->intf->dev, "failed=%d\n", ret);
 845        return ret;
 846}
 847
 848static int rtl2832u_frontend_callback(void *adapter_priv, int component,
 849                int cmd, int arg)
 850{
 851        struct i2c_adapter *adapter = adapter_priv;
 852        struct device *parent = adapter->dev.parent;
 853        struct i2c_adapter *parent_adapter;
 854        struct dvb_usb_device *d;
 855        struct rtl28xxu_dev *dev;
 856
 857        /*
 858         * All tuners are connected to demod muxed I2C adapter. We have to
 859         * resolve its parent adapter in order to get handle for this driver
 860         * private data. That is a bit hackish solution, GPIO or direct driver
 861         * callback would be better...
 862         */
 863        if (parent != NULL && parent->type == &i2c_adapter_type)
 864                parent_adapter = to_i2c_adapter(parent);
 865        else
 866                return -EINVAL;
 867
 868        d = i2c_get_adapdata(parent_adapter);
 869        dev = d->priv;
 870
 871        dev_dbg(&d->intf->dev, "component=%d cmd=%d arg=%d\n",
 872                component, cmd, arg);
 873
 874        switch (component) {
 875        case DVB_FRONTEND_COMPONENT_TUNER:
 876                switch (dev->tuner) {
 877                case TUNER_RTL2832_FC0012:
 878                        return rtl2832u_fc0012_tuner_callback(d, cmd, arg);
 879                case TUNER_RTL2832_TUA9001:
 880                        return rtl2832u_tua9001_tuner_callback(d, cmd, arg);
 881                }
 882        }
 883
 884        return 0;
 885}
 886
 887static int rtl2832u_frontend_attach(struct dvb_usb_adapter *adap)
 888{
 889        struct dvb_usb_device *d = adap_to_d(adap);
 890        struct rtl28xxu_dev *dev = d_to_priv(d);
 891        struct rtl2832_platform_data *pdata = &dev->rtl2832_platform_data;
 892        struct i2c_board_info board_info;
 893        struct i2c_client *client;
 894        int ret;
 895
 896        dev_dbg(&d->intf->dev, "\n");
 897
 898        switch (dev->tuner) {
 899        case TUNER_RTL2832_FC0012:
 900                *pdata = rtl2832_fc0012_platform_data;
 901                break;
 902        case TUNER_RTL2832_FC0013:
 903                *pdata = rtl2832_fc0013_platform_data;
 904                break;
 905        case TUNER_RTL2832_FC2580:
 906                *pdata = rtl2832_fc2580_platform_data;
 907                break;
 908        case TUNER_RTL2832_TUA9001:
 909                *pdata = rtl2832_tua9001_platform_data;
 910                break;
 911        case TUNER_RTL2832_E4000:
 912                *pdata = rtl2832_e4000_platform_data;
 913                break;
 914        case TUNER_RTL2832_R820T:
 915        case TUNER_RTL2832_R828D:
 916                *pdata = rtl2832_r820t_platform_data;
 917                break;
 918        case TUNER_RTL2832_SI2157:
 919                *pdata = rtl2832_si2157_platform_data;
 920                break;
 921        default:
 922                dev_err(&d->intf->dev, "unknown tuner %s\n", dev->tuner_name);
 923                ret = -ENODEV;
 924                goto err;
 925        }
 926
 927        /* attach demodulator */
 928        memset(&board_info, 0, sizeof(board_info));
 929        strscpy(board_info.type, "rtl2832", I2C_NAME_SIZE);
 930        board_info.addr = 0x10;
 931        board_info.platform_data = pdata;
 932        request_module("%s", board_info.type);
 933        client = i2c_new_client_device(&d->i2c_adap, &board_info);
 934        if (!i2c_client_has_driver(client)) {
 935                ret = -ENODEV;
 936                goto err;
 937        }
 938
 939        if (!try_module_get(client->dev.driver->owner)) {
 940                i2c_unregister_device(client);
 941                ret = -ENODEV;
 942                goto err;
 943        }
 944
 945        adap->fe[0] = pdata->get_dvb_frontend(client);
 946        dev->demod_i2c_adapter = pdata->get_i2c_adapter(client);
 947
 948        dev->i2c_client_demod = client;
 949
 950        /* set fe callback */
 951        adap->fe[0]->callback = rtl2832u_frontend_callback;
 952
 953        if (dev->slave_demod) {
 954                struct i2c_board_info info = {};
 955
 956                /* attach slave demodulator */
 957                if (dev->slave_demod == SLAVE_DEMOD_MN88472) {
 958                        struct mn88472_config mn88472_config = {};
 959
 960                        mn88472_config.fe = &adap->fe[1];
 961                        mn88472_config.i2c_wr_max = 22;
 962                        strscpy(info.type, "mn88472", I2C_NAME_SIZE);
 963                        mn88472_config.xtal = 20500000;
 964                        mn88472_config.ts_mode = SERIAL_TS_MODE;
 965                        mn88472_config.ts_clock = VARIABLE_TS_CLOCK;
 966                        info.addr = 0x18;
 967                        info.platform_data = &mn88472_config;
 968                        request_module(info.type);
 969                        client = i2c_new_client_device(&d->i2c_adap, &info);
 970                        if (!i2c_client_has_driver(client))
 971                                goto err_slave_demod_failed;
 972
 973                        if (!try_module_get(client->dev.driver->owner)) {
 974                                i2c_unregister_device(client);
 975                                goto err_slave_demod_failed;
 976                        }
 977
 978                        dev->i2c_client_slave_demod = client;
 979                } else if (dev->slave_demod == SLAVE_DEMOD_MN88473) {
 980                        struct mn88473_config mn88473_config = {};
 981
 982                        mn88473_config.fe = &adap->fe[1];
 983                        mn88473_config.i2c_wr_max = 22;
 984                        strscpy(info.type, "mn88473", I2C_NAME_SIZE);
 985                        info.addr = 0x18;
 986                        info.platform_data = &mn88473_config;
 987                        request_module(info.type);
 988                        client = i2c_new_client_device(&d->i2c_adap, &info);
 989                        if (!i2c_client_has_driver(client))
 990                                goto err_slave_demod_failed;
 991
 992                        if (!try_module_get(client->dev.driver->owner)) {
 993                                i2c_unregister_device(client);
 994                                goto err_slave_demod_failed;
 995                        }
 996
 997                        dev->i2c_client_slave_demod = client;
 998                } else if (dev->slave_demod == SLAVE_DEMOD_CXD2837ER) {
 999                        struct cxd2841er_config cxd2837er_config = {};
1000
1001                        cxd2837er_config.i2c_addr = 0xd8;
1002                        cxd2837er_config.xtal = SONY_XTAL_20500;
1003                        cxd2837er_config.flags = (CXD2841ER_AUTO_IFHZ |
1004                                CXD2841ER_NO_AGCNEG | CXD2841ER_TSBITS |
1005                                CXD2841ER_EARLY_TUNE | CXD2841ER_TS_SERIAL);
1006                        adap->fe[1] = dvb_attach(cxd2841er_attach_t_c,
1007                                                 &cxd2837er_config,
1008                                                 &d->i2c_adap);
1009                        if (!adap->fe[1])
1010                                goto err_slave_demod_failed;
1011                        adap->fe[1]->id = 1;
1012                        dev->i2c_client_slave_demod = NULL;
1013                } else {
1014                        struct si2168_config si2168_config = {};
1015                        struct i2c_adapter *adapter;
1016
1017                        si2168_config.i2c_adapter = &adapter;
1018                        si2168_config.fe = &adap->fe[1];
1019                        si2168_config.ts_mode = SI2168_TS_SERIAL;
1020                        si2168_config.ts_clock_inv = false;
1021                        si2168_config.ts_clock_gapped = true;
1022                        strscpy(info.type, "si2168", I2C_NAME_SIZE);
1023                        info.addr = 0x64;
1024                        info.platform_data = &si2168_config;
1025                        request_module(info.type);
1026                        client = i2c_new_client_device(&d->i2c_adap, &info);
1027                        if (!i2c_client_has_driver(client))
1028                                goto err_slave_demod_failed;
1029
1030                        if (!try_module_get(client->dev.driver->owner)) {
1031                                i2c_unregister_device(client);
1032                                goto err_slave_demod_failed;
1033                        }
1034
1035                        dev->i2c_client_slave_demod = client;
1036
1037                        /* for Si2168 devices use only new I2C write method */
1038                        dev->new_i2c_write = true;
1039                }
1040        }
1041        return 0;
1042
1043err:
1044        dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1045        return ret;
1046
1047err_slave_demod_failed:
1048        /*
1049         * We continue on reduced mode, without DVB-T2/C, using master
1050         * demod, when slave demod fails.
1051         */
1052        dev->slave_demod = SLAVE_DEMOD_NONE;
1053        return 0;
1054}
1055
1056static int rtl28xxu_frontend_attach(struct dvb_usb_adapter *adap)
1057{
1058        struct rtl28xxu_dev *dev = adap_to_priv(adap);
1059
1060        if (dev->chip_id == CHIP_ID_RTL2831U)
1061                return rtl2831u_frontend_attach(adap);
1062        else
1063                return rtl2832u_frontend_attach(adap);
1064}
1065
1066static int rtl28xxu_frontend_detach(struct dvb_usb_adapter *adap)
1067{
1068        struct dvb_usb_device *d = adap_to_d(adap);
1069        struct rtl28xxu_dev *dev = d_to_priv(d);
1070        struct i2c_client *client;
1071
1072        dev_dbg(&d->intf->dev, "\n");
1073
1074        /* remove I2C slave demod */
1075        client = dev->i2c_client_slave_demod;
1076        if (client) {
1077                module_put(client->dev.driver->owner);
1078                i2c_unregister_device(client);
1079        }
1080
1081        /* remove I2C demod */
1082        client = dev->i2c_client_demod;
1083        if (client) {
1084                module_put(client->dev.driver->owner);
1085                i2c_unregister_device(client);
1086        }
1087
1088        return 0;
1089}
1090
1091static struct qt1010_config rtl28xxu_qt1010_config = {
1092        .i2c_address = 0x62, /* 0xc4 */
1093};
1094
1095static struct mt2060_config rtl28xxu_mt2060_config = {
1096        .i2c_address = 0x60, /* 0xc0 */
1097        .clock_out = 0,
1098};
1099
1100static struct mxl5005s_config rtl28xxu_mxl5005s_config = {
1101        .i2c_address     = 0x63, /* 0xc6 */
1102        .if_freq         = IF_FREQ_4570000HZ,
1103        .xtal_freq       = CRYSTAL_FREQ_16000000HZ,
1104        .agc_mode        = MXL_SINGLE_AGC,
1105        .tracking_filter = MXL_TF_C_H,
1106        .rssi_enable     = MXL_RSSI_ENABLE,
1107        .cap_select      = MXL_CAP_SEL_ENABLE,
1108        .div_out         = MXL_DIV_OUT_4,
1109        .clock_out       = MXL_CLOCK_OUT_DISABLE,
1110        .output_load     = MXL5005S_IF_OUTPUT_LOAD_200_OHM,
1111        .top             = MXL5005S_TOP_25P2,
1112        .mod_mode        = MXL_DIGITAL_MODE,
1113        .if_mode         = MXL_ZERO_IF,
1114        .AgcMasterByte   = 0x00,
1115};
1116
1117static int rtl2831u_tuner_attach(struct dvb_usb_adapter *adap)
1118{
1119        int ret;
1120        struct dvb_usb_device *d = adap_to_d(adap);
1121        struct rtl28xxu_dev *dev = d_to_priv(d);
1122        struct dvb_frontend *fe;
1123
1124        dev_dbg(&d->intf->dev, "\n");
1125
1126        switch (dev->tuner) {
1127        case TUNER_RTL2830_QT1010:
1128                fe = dvb_attach(qt1010_attach, adap->fe[0],
1129                                dev->demod_i2c_adapter,
1130                                &rtl28xxu_qt1010_config);
1131                break;
1132        case TUNER_RTL2830_MT2060:
1133                fe = dvb_attach(mt2060_attach, adap->fe[0],
1134                                dev->demod_i2c_adapter,
1135                                &rtl28xxu_mt2060_config, 1220);
1136                break;
1137        case TUNER_RTL2830_MXL5005S:
1138                fe = dvb_attach(mxl5005s_attach, adap->fe[0],
1139                                dev->demod_i2c_adapter,
1140                                &rtl28xxu_mxl5005s_config);
1141                break;
1142        default:
1143                fe = NULL;
1144                dev_err(&d->intf->dev, "unknown tuner %d\n", dev->tuner);
1145        }
1146
1147        if (fe == NULL) {
1148                ret = -ENODEV;
1149                goto err;
1150        }
1151
1152        return 0;
1153err:
1154        dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1155        return ret;
1156}
1157
1158static const struct fc0012_config rtl2832u_fc0012_config = {
1159        .i2c_address = 0x63, /* 0xc6 >> 1 */
1160        .xtal_freq = FC_XTAL_28_8_MHZ,
1161};
1162
1163static const struct r820t_config rtl2832u_r820t_config = {
1164        .i2c_addr = 0x1a,
1165        .xtal = 28800000,
1166        .max_i2c_msg_len = 2,
1167        .rafael_chip = CHIP_R820T,
1168};
1169
1170static const struct r820t_config rtl2832u_r828d_config = {
1171        .i2c_addr = 0x3a,
1172        .xtal = 16000000,
1173        .max_i2c_msg_len = 2,
1174        .rafael_chip = CHIP_R828D,
1175};
1176
1177static int rtl2832u_tuner_attach(struct dvb_usb_adapter *adap)
1178{
1179        int ret;
1180        struct dvb_usb_device *d = adap_to_d(adap);
1181        struct rtl28xxu_dev *dev = d_to_priv(d);
1182        struct dvb_frontend *fe = NULL;
1183        struct i2c_board_info info;
1184        struct i2c_client *client;
1185        struct v4l2_subdev *subdev = NULL;
1186        struct platform_device *pdev;
1187        struct rtl2832_sdr_platform_data pdata;
1188
1189        dev_dbg(&d->intf->dev, "\n");
1190
1191        memset(&info, 0, sizeof(struct i2c_board_info));
1192        memset(&pdata, 0, sizeof(pdata));
1193
1194        switch (dev->tuner) {
1195        case TUNER_RTL2832_FC0012:
1196                fe = dvb_attach(fc0012_attach, adap->fe[0],
1197                        dev->demod_i2c_adapter, &rtl2832u_fc0012_config);
1198
1199                /* since fc0012 includs reading the signal strength delegate
1200                 * that to the tuner driver */
1201                adap->fe[0]->ops.read_signal_strength =
1202                                adap->fe[0]->ops.tuner_ops.get_rf_strength;
1203                break;
1204        case TUNER_RTL2832_FC0013:
1205                fe = dvb_attach(fc0013_attach, adap->fe[0],
1206                        dev->demod_i2c_adapter, 0xc6>>1, 0, FC_XTAL_28_8_MHZ);
1207
1208                /* fc0013 also supports signal strength reading */
1209                adap->fe[0]->ops.read_signal_strength =
1210                                adap->fe[0]->ops.tuner_ops.get_rf_strength;
1211                break;
1212        case TUNER_RTL2832_E4000: {
1213                        struct e4000_config e4000_config = {
1214                                .fe = adap->fe[0],
1215                                .clock = 28800000,
1216                        };
1217
1218                        strscpy(info.type, "e4000", I2C_NAME_SIZE);
1219                        info.addr = 0x64;
1220                        info.platform_data = &e4000_config;
1221
1222                        request_module(info.type);
1223                        client = i2c_new_client_device(dev->demod_i2c_adapter,
1224                                                       &info);
1225                        if (!i2c_client_has_driver(client))
1226                                break;
1227
1228                        if (!try_module_get(client->dev.driver->owner)) {
1229                                i2c_unregister_device(client);
1230                                break;
1231                        }
1232
1233                        dev->i2c_client_tuner = client;
1234                        subdev = i2c_get_clientdata(client);
1235                }
1236                break;
1237        case TUNER_RTL2832_FC2580: {
1238                        struct fc2580_platform_data fc2580_pdata = {
1239                                .dvb_frontend = adap->fe[0],
1240                        };
1241                        struct i2c_board_info board_info = {};
1242
1243                        strscpy(board_info.type, "fc2580", I2C_NAME_SIZE);
1244                        board_info.addr = 0x56;
1245                        board_info.platform_data = &fc2580_pdata;
1246                        request_module("fc2580");
1247                        client = i2c_new_client_device(dev->demod_i2c_adapter,
1248                                                       &board_info);
1249                        if (!i2c_client_has_driver(client))
1250                                break;
1251                        if (!try_module_get(client->dev.driver->owner)) {
1252                                i2c_unregister_device(client);
1253                                break;
1254                        }
1255                        dev->i2c_client_tuner = client;
1256                        subdev = fc2580_pdata.get_v4l2_subdev(client);
1257                }
1258                break;
1259        case TUNER_RTL2832_TUA9001: {
1260                struct tua9001_platform_data tua9001_pdata = {
1261                        .dvb_frontend = adap->fe[0],
1262                };
1263                struct i2c_board_info board_info = {};
1264
1265                /* enable GPIO1 and GPIO4 as output */
1266                ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_DIR, 0x00, 0x12);
1267                if (ret)
1268                        goto err;
1269
1270                ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x12, 0x12);
1271                if (ret)
1272                        goto err;
1273
1274                strscpy(board_info.type, "tua9001", I2C_NAME_SIZE);
1275                board_info.addr = 0x60;
1276                board_info.platform_data = &tua9001_pdata;
1277                request_module("tua9001");
1278                client = i2c_new_client_device(dev->demod_i2c_adapter,
1279                                               &board_info);
1280                if (!i2c_client_has_driver(client))
1281                        break;
1282                if (!try_module_get(client->dev.driver->owner)) {
1283                        i2c_unregister_device(client);
1284                        break;
1285                }
1286                dev->i2c_client_tuner = client;
1287                break;
1288        }
1289        case TUNER_RTL2832_R820T:
1290                fe = dvb_attach(r820t_attach, adap->fe[0],
1291                                dev->demod_i2c_adapter,
1292                                &rtl2832u_r820t_config);
1293
1294                /* Use tuner to get the signal strength */
1295                adap->fe[0]->ops.read_signal_strength =
1296                                adap->fe[0]->ops.tuner_ops.get_rf_strength;
1297                break;
1298        case TUNER_RTL2832_R828D:
1299                fe = dvb_attach(r820t_attach, adap->fe[0],
1300                                dev->demod_i2c_adapter,
1301                                &rtl2832u_r828d_config);
1302                adap->fe[0]->ops.read_signal_strength =
1303                                adap->fe[0]->ops.tuner_ops.get_rf_strength;
1304
1305                if (adap->fe[1]) {
1306                        fe = dvb_attach(r820t_attach, adap->fe[1],
1307                                        dev->demod_i2c_adapter,
1308                                        &rtl2832u_r828d_config);
1309                        adap->fe[1]->ops.read_signal_strength =
1310                                        adap->fe[1]->ops.tuner_ops.get_rf_strength;
1311                }
1312                break;
1313        case TUNER_RTL2832_SI2157: {
1314                        struct si2157_config si2157_config = {
1315                                .fe = adap->fe[0],
1316                                .if_port = 0,
1317                                .inversion = false,
1318                        };
1319
1320                        strscpy(info.type, "si2157", I2C_NAME_SIZE);
1321                        info.addr = 0x60;
1322                        info.platform_data = &si2157_config;
1323                        request_module(info.type);
1324                        client = i2c_new_client_device(&d->i2c_adap, &info);
1325                        if (!i2c_client_has_driver(client))
1326                                break;
1327
1328                        if (!try_module_get(client->dev.driver->owner)) {
1329                                i2c_unregister_device(client);
1330                                break;
1331                        }
1332
1333                        dev->i2c_client_tuner = client;
1334                        subdev = i2c_get_clientdata(client);
1335
1336                        /* copy tuner ops for 2nd FE as tuner is shared */
1337                        if (adap->fe[1]) {
1338                                adap->fe[1]->tuner_priv =
1339                                                adap->fe[0]->tuner_priv;
1340                                memcpy(&adap->fe[1]->ops.tuner_ops,
1341                                                &adap->fe[0]->ops.tuner_ops,
1342                                                sizeof(struct dvb_tuner_ops));
1343                        }
1344                }
1345                break;
1346        default:
1347                dev_err(&d->intf->dev, "unknown tuner %d\n", dev->tuner);
1348        }
1349        if (fe == NULL && dev->i2c_client_tuner == NULL) {
1350                ret = -ENODEV;
1351                goto err;
1352        }
1353
1354        /* register SDR */
1355        switch (dev->tuner) {
1356        case TUNER_RTL2832_FC2580:
1357        case TUNER_RTL2832_FC0012:
1358        case TUNER_RTL2832_FC0013:
1359        case TUNER_RTL2832_E4000:
1360        case TUNER_RTL2832_R820T:
1361        case TUNER_RTL2832_R828D:
1362                pdata.clk = dev->rtl2832_platform_data.clk;
1363                pdata.tuner = dev->tuner;
1364                pdata.regmap = dev->rtl2832_platform_data.regmap;
1365                pdata.dvb_frontend = adap->fe[0];
1366                pdata.dvb_usb_device = d;
1367                pdata.v4l2_subdev = subdev;
1368
1369                request_module("%s", "rtl2832_sdr");
1370                pdev = platform_device_register_data(&d->intf->dev,
1371                                                     "rtl2832_sdr",
1372                                                     PLATFORM_DEVID_AUTO,
1373                                                     &pdata, sizeof(pdata));
1374                if (IS_ERR(pdev) || pdev->dev.driver == NULL)
1375                        break;
1376                dev->platform_device_sdr = pdev;
1377                break;
1378        default:
1379                dev_dbg(&d->intf->dev, "no SDR for tuner=%d\n", dev->tuner);
1380        }
1381
1382        return 0;
1383err:
1384        dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1385        return ret;
1386}
1387
1388static int rtl28xxu_tuner_attach(struct dvb_usb_adapter *adap)
1389{
1390        struct rtl28xxu_dev *dev = adap_to_priv(adap);
1391
1392        if (dev->chip_id == CHIP_ID_RTL2831U)
1393                return rtl2831u_tuner_attach(adap);
1394        else
1395                return rtl2832u_tuner_attach(adap);
1396}
1397
1398static int rtl28xxu_tuner_detach(struct dvb_usb_adapter *adap)
1399{
1400        struct dvb_usb_device *d = adap_to_d(adap);
1401        struct rtl28xxu_dev *dev = d_to_priv(d);
1402        struct i2c_client *client;
1403        struct platform_device *pdev;
1404
1405        dev_dbg(&d->intf->dev, "\n");
1406
1407        /* remove platform SDR */
1408        pdev = dev->platform_device_sdr;
1409        if (pdev)
1410                platform_device_unregister(pdev);
1411
1412        /* remove I2C tuner */
1413        client = dev->i2c_client_tuner;
1414        if (client) {
1415                module_put(client->dev.driver->owner);
1416                i2c_unregister_device(client);
1417        }
1418
1419        return 0;
1420}
1421
1422static int rtl28xxu_init(struct dvb_usb_device *d)
1423{
1424        int ret;
1425        u8 val;
1426
1427        dev_dbg(&d->intf->dev, "\n");
1428
1429        /* init USB endpoints */
1430        ret = rtl28xxu_rd_reg(d, USB_SYSCTL_0, &val);
1431        if (ret)
1432                goto err;
1433
1434        /* enable DMA and Full Packet Mode*/
1435        val |= 0x09;
1436        ret = rtl28xxu_wr_reg(d, USB_SYSCTL_0, val);
1437        if (ret)
1438                goto err;
1439
1440        /* set EPA maximum packet size to 0x0200 */
1441        ret = rtl28xxu_wr_regs(d, USB_EPA_MAXPKT, "\x00\x02\x00\x00", 4);
1442        if (ret)
1443                goto err;
1444
1445        /* change EPA FIFO length */
1446        ret = rtl28xxu_wr_regs(d, USB_EPA_FIFO_CFG, "\x14\x00\x00\x00", 4);
1447        if (ret)
1448                goto err;
1449
1450        return ret;
1451err:
1452        dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1453        return ret;
1454}
1455
1456static int rtl2831u_power_ctrl(struct dvb_usb_device *d, int onoff)
1457{
1458        int ret;
1459        u8 gpio, sys0, epa_ctl[2];
1460
1461        dev_dbg(&d->intf->dev, "onoff=%d\n", onoff);
1462
1463        /* demod adc */
1464        ret = rtl28xxu_rd_reg(d, SYS_SYS0, &sys0);
1465        if (ret)
1466                goto err;
1467
1468        /* tuner power, read GPIOs */
1469        ret = rtl28xxu_rd_reg(d, SYS_GPIO_OUT_VAL, &gpio);
1470        if (ret)
1471                goto err;
1472
1473        dev_dbg(&d->intf->dev, "RD SYS0=%02x GPIO_OUT_VAL=%02x\n", sys0, gpio);
1474
1475        if (onoff) {
1476                gpio |= 0x01; /* GPIO0 = 1 */
1477                gpio &= (~0x10); /* GPIO4 = 0 */
1478                gpio |= 0x04; /* GPIO2 = 1, LED on */
1479                sys0 = sys0 & 0x0f;
1480                sys0 |= 0xe0;
1481                epa_ctl[0] = 0x00; /* clear stall */
1482                epa_ctl[1] = 0x00; /* clear reset */
1483        } else {
1484                gpio &= (~0x01); /* GPIO0 = 0 */
1485                gpio |= 0x10; /* GPIO4 = 1 */
1486                gpio &= (~0x04); /* GPIO2 = 1, LED off */
1487                sys0 = sys0 & (~0xc0);
1488                epa_ctl[0] = 0x10; /* set stall */
1489                epa_ctl[1] = 0x02; /* set reset */
1490        }
1491
1492        dev_dbg(&d->intf->dev, "WR SYS0=%02x GPIO_OUT_VAL=%02x\n", sys0, gpio);
1493
1494        /* demod adc */
1495        ret = rtl28xxu_wr_reg(d, SYS_SYS0, sys0);
1496        if (ret)
1497                goto err;
1498
1499        /* tuner power, write GPIOs */
1500        ret = rtl28xxu_wr_reg(d, SYS_GPIO_OUT_VAL, gpio);
1501        if (ret)
1502                goto err;
1503
1504        /* streaming EP: stall & reset */
1505        ret = rtl28xxu_wr_regs(d, USB_EPA_CTL, epa_ctl, 2);
1506        if (ret)
1507                goto err;
1508
1509        if (onoff)
1510                usb_clear_halt(d->udev, usb_rcvbulkpipe(d->udev, 0x81));
1511
1512        return ret;
1513err:
1514        dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1515        return ret;
1516}
1517
1518static int rtl2832u_power_ctrl(struct dvb_usb_device *d, int onoff)
1519{
1520        int ret;
1521
1522        dev_dbg(&d->intf->dev, "onoff=%d\n", onoff);
1523
1524        if (onoff) {
1525                /* GPIO3=1, GPIO4=0 */
1526                ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x08, 0x18);
1527                if (ret)
1528                        goto err;
1529
1530                /* suspend? */
1531                ret = rtl28xxu_wr_reg_mask(d, SYS_DEMOD_CTL1, 0x00, 0x10);
1532                if (ret)
1533                        goto err;
1534
1535                /* enable PLL */
1536                ret = rtl28xxu_wr_reg_mask(d, SYS_DEMOD_CTL, 0x80, 0x80);
1537                if (ret)
1538                        goto err;
1539
1540                /* disable reset */
1541                ret = rtl28xxu_wr_reg_mask(d, SYS_DEMOD_CTL, 0x20, 0x20);
1542                if (ret)
1543                        goto err;
1544
1545                /* streaming EP: clear stall & reset */
1546                ret = rtl28xxu_wr_regs(d, USB_EPA_CTL, "\x00\x00", 2);
1547                if (ret)
1548                        goto err;
1549
1550                ret = usb_clear_halt(d->udev, usb_rcvbulkpipe(d->udev, 0x81));
1551                if (ret)
1552                        goto err;
1553        } else {
1554                /* GPIO4=1 */
1555                ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x10, 0x10);
1556                if (ret)
1557                        goto err;
1558
1559                /* disable PLL */
1560                ret = rtl28xxu_wr_reg_mask(d, SYS_DEMOD_CTL, 0x00, 0x80);
1561                if (ret)
1562                        goto err;
1563
1564                /* streaming EP: set stall & reset */
1565                ret = rtl28xxu_wr_regs(d, USB_EPA_CTL, "\x10\x02", 2);
1566                if (ret)
1567                        goto err;
1568        }
1569
1570        return ret;
1571err:
1572        dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1573        return ret;
1574}
1575
1576static int rtl28xxu_power_ctrl(struct dvb_usb_device *d, int onoff)
1577{
1578        struct rtl28xxu_dev *dev = d_to_priv(d);
1579
1580        if (dev->chip_id == CHIP_ID_RTL2831U)
1581                return rtl2831u_power_ctrl(d, onoff);
1582        else
1583                return rtl2832u_power_ctrl(d, onoff);
1584}
1585
1586static int rtl28xxu_frontend_ctrl(struct dvb_frontend *fe, int onoff)
1587{
1588        struct dvb_usb_device *d = fe_to_d(fe);
1589        struct rtl28xxu_dev *dev = fe_to_priv(fe);
1590        struct rtl2832_platform_data *pdata = &dev->rtl2832_platform_data;
1591        int ret;
1592        u8 val;
1593
1594        dev_dbg(&d->intf->dev, "fe=%d onoff=%d\n", fe->id, onoff);
1595
1596        if (dev->chip_id == CHIP_ID_RTL2831U)
1597                return 0;
1598
1599        if (fe->id == 0) {
1600                /* control internal demod ADC */
1601                if (onoff)
1602                        val = 0x48; /* enable ADC */
1603                else
1604                        val = 0x00; /* disable ADC */
1605
1606                ret = rtl28xxu_wr_reg_mask(d, SYS_DEMOD_CTL, val, 0x48);
1607                if (ret)
1608                        goto err;
1609        } else if (fe->id == 1) {
1610                /* bypass slave demod TS through master demod */
1611                ret = pdata->slave_ts_ctrl(dev->i2c_client_demod, onoff);
1612                if (ret)
1613                        goto err;
1614        }
1615
1616        return 0;
1617err:
1618        dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1619        return ret;
1620}
1621
1622#if IS_ENABLED(CONFIG_RC_CORE)
1623static int rtl2831u_rc_query(struct dvb_usb_device *d)
1624{
1625        int ret, i;
1626        struct rtl28xxu_dev *dev = d->priv;
1627        u8 buf[5];
1628        u32 rc_code;
1629        static const struct rtl28xxu_reg_val rc_nec_tab[] = {
1630                { 0x3033, 0x80 },
1631                { 0x3020, 0x43 },
1632                { 0x3021, 0x16 },
1633                { 0x3022, 0x16 },
1634                { 0x3023, 0x5a },
1635                { 0x3024, 0x2d },
1636                { 0x3025, 0x16 },
1637                { 0x3026, 0x01 },
1638                { 0x3028, 0xb0 },
1639                { 0x3029, 0x04 },
1640                { 0x302c, 0x88 },
1641                { 0x302e, 0x13 },
1642                { 0x3030, 0xdf },
1643                { 0x3031, 0x05 },
1644        };
1645
1646        /* init remote controller */
1647        if (!dev->rc_active) {
1648                for (i = 0; i < ARRAY_SIZE(rc_nec_tab); i++) {
1649                        ret = rtl28xxu_wr_reg(d, rc_nec_tab[i].reg,
1650                                        rc_nec_tab[i].val);
1651                        if (ret)
1652                                goto err;
1653                }
1654                dev->rc_active = true;
1655        }
1656
1657        ret = rtl28xxu_rd_regs(d, SYS_IRRC_RP, buf, 5);
1658        if (ret)
1659                goto err;
1660
1661        if (buf[4] & 0x01) {
1662                enum rc_proto proto;
1663
1664                if (buf[2] == (u8) ~buf[3]) {
1665                        if (buf[0] == (u8) ~buf[1]) {
1666                                /* NEC standard (16 bit) */
1667                                rc_code = RC_SCANCODE_NEC(buf[0], buf[2]);
1668                                proto = RC_PROTO_NEC;
1669                        } else {
1670                                /* NEC extended (24 bit) */
1671                                rc_code = RC_SCANCODE_NECX(buf[0] << 8 | buf[1],
1672                                                           buf[2]);
1673                                proto = RC_PROTO_NECX;
1674                        }
1675                } else {
1676                        /* NEC full (32 bit) */
1677                        rc_code = RC_SCANCODE_NEC32(buf[0] << 24 | buf[1] << 16 |
1678                                                    buf[2] << 8  | buf[3]);
1679                        proto = RC_PROTO_NEC32;
1680                }
1681
1682                rc_keydown(d->rc_dev, proto, rc_code, 0);
1683
1684                ret = rtl28xxu_wr_reg(d, SYS_IRRC_SR, 1);
1685                if (ret)
1686                        goto err;
1687
1688                /* repeated intentionally to avoid extra keypress */
1689                ret = rtl28xxu_wr_reg(d, SYS_IRRC_SR, 1);
1690                if (ret)
1691                        goto err;
1692        }
1693
1694        return ret;
1695err:
1696        dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1697        return ret;
1698}
1699
1700static int rtl2831u_get_rc_config(struct dvb_usb_device *d,
1701                struct dvb_usb_rc *rc)
1702{
1703        rc->map_name = RC_MAP_EMPTY;
1704        rc->allowed_protos = RC_PROTO_BIT_NEC | RC_PROTO_BIT_NECX |
1705                                                        RC_PROTO_BIT_NEC32;
1706        rc->query = rtl2831u_rc_query;
1707        rc->interval = 400;
1708
1709        return 0;
1710}
1711
1712static int rtl2832u_rc_query(struct dvb_usb_device *d)
1713{
1714        int ret, i, len;
1715        struct rtl28xxu_dev *dev = d->priv;
1716        struct ir_raw_event ev = {};
1717        u8 buf[128];
1718        static const struct rtl28xxu_reg_val_mask refresh_tab[] = {
1719                {IR_RX_IF,               0x03, 0xff},
1720                {IR_RX_BUF_CTRL,         0x80, 0xff},
1721                {IR_RX_CTRL,             0x80, 0xff},
1722        };
1723
1724        /* init remote controller */
1725        if (!dev->rc_active) {
1726                static const struct rtl28xxu_reg_val_mask init_tab[] = {
1727                        {SYS_DEMOD_CTL1,         0x00, 0x04},
1728                        {SYS_DEMOD_CTL1,         0x00, 0x08},
1729                        {USB_CTRL,               0x20, 0x20},
1730                        {SYS_GPIO_DIR,           0x00, 0x08},
1731                        {SYS_GPIO_OUT_EN,        0x08, 0x08},
1732                        {SYS_GPIO_OUT_VAL,       0x08, 0x08},
1733                        {IR_MAX_DURATION0,       0xd0, 0xff},
1734                        {IR_MAX_DURATION1,       0x07, 0xff},
1735                        {IR_IDLE_LEN0,           0xc0, 0xff},
1736                        {IR_IDLE_LEN1,           0x00, 0xff},
1737                        {IR_GLITCH_LEN,          0x03, 0xff},
1738                        {IR_RX_CLK,              0x09, 0xff},
1739                        {IR_RX_CFG,              0x1c, 0xff},
1740                        {IR_MAX_H_TOL_LEN,       0x1e, 0xff},
1741                        {IR_MAX_L_TOL_LEN,       0x1e, 0xff},
1742                        {IR_RX_CTRL,             0x80, 0xff},
1743                };
1744
1745                for (i = 0; i < ARRAY_SIZE(init_tab); i++) {
1746                        ret = rtl28xxu_wr_reg_mask(d, init_tab[i].reg,
1747                                        init_tab[i].val, init_tab[i].mask);
1748                        if (ret)
1749                                goto err;
1750                }
1751
1752                dev->rc_active = true;
1753        }
1754
1755        ret = rtl28xxu_rd_reg(d, IR_RX_IF, &buf[0]);
1756        if (ret)
1757                goto err;
1758
1759        if (buf[0] != 0x83)
1760                goto exit;
1761
1762        ret = rtl28xxu_rd_reg(d, IR_RX_BC, &buf[0]);
1763        if (ret || buf[0] > sizeof(buf))
1764                goto err;
1765
1766        len = buf[0];
1767
1768        /* read raw code from hw */
1769        ret = rtl28xxu_rd_regs(d, IR_RX_BUF, buf, len);
1770        if (ret)
1771                goto err;
1772
1773        /* let hw receive new code */
1774        for (i = 0; i < ARRAY_SIZE(refresh_tab); i++) {
1775                ret = rtl28xxu_wr_reg_mask(d, refresh_tab[i].reg,
1776                                refresh_tab[i].val, refresh_tab[i].mask);
1777                if (ret)
1778                        goto err;
1779        }
1780
1781        /* pass data to Kernel IR decoder */
1782        for (i = 0; i < len; i++) {
1783                ev.pulse = buf[i] >> 7;
1784                ev.duration = 51 * (buf[i] & 0x7f);
1785                ir_raw_event_store_with_filter(d->rc_dev, &ev);
1786        }
1787
1788        /* 'flush' ir_raw_event_store_with_filter() */
1789        ir_raw_event_handle(d->rc_dev);
1790exit:
1791        return ret;
1792err:
1793        dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1794        return ret;
1795}
1796
1797static int rtl2832u_get_rc_config(struct dvb_usb_device *d,
1798                struct dvb_usb_rc *rc)
1799{
1800        /* disable IR interrupts in order to avoid SDR sample loss */
1801        if (rtl28xxu_disable_rc)
1802                return rtl28xxu_wr_reg(d, IR_RX_IE, 0x00);
1803
1804        /* load empty to enable rc */
1805        if (!rc->map_name)
1806                rc->map_name = RC_MAP_EMPTY;
1807        rc->allowed_protos = RC_PROTO_BIT_ALL_IR_DECODER;
1808        rc->driver_type = RC_DRIVER_IR_RAW;
1809        rc->query = rtl2832u_rc_query;
1810        rc->interval = 200;
1811        /* we program idle len to 0xc0, set timeout to one less */
1812        rc->timeout = 0xbf * 51;
1813
1814        return 0;
1815}
1816
1817static int rtl28xxu_get_rc_config(struct dvb_usb_device *d,
1818                struct dvb_usb_rc *rc)
1819{
1820        struct rtl28xxu_dev *dev = d_to_priv(d);
1821
1822        if (dev->chip_id == CHIP_ID_RTL2831U)
1823                return rtl2831u_get_rc_config(d, rc);
1824        else
1825                return rtl2832u_get_rc_config(d, rc);
1826}
1827#else
1828#define rtl28xxu_get_rc_config NULL
1829#endif
1830
1831static int rtl28xxu_pid_filter_ctrl(struct dvb_usb_adapter *adap, int onoff)
1832{
1833        struct rtl28xxu_dev *dev = adap_to_priv(adap);
1834
1835        if (dev->chip_id == CHIP_ID_RTL2831U) {
1836                struct rtl2830_platform_data *pdata = &dev->rtl2830_platform_data;
1837
1838                return pdata->pid_filter_ctrl(adap->fe[0], onoff);
1839        } else {
1840                struct rtl2832_platform_data *pdata = &dev->rtl2832_platform_data;
1841
1842                return pdata->pid_filter_ctrl(adap->fe[0], onoff);
1843        }
1844}
1845
1846static int rtl28xxu_pid_filter(struct dvb_usb_adapter *adap, int index,
1847                               u16 pid, int onoff)
1848{
1849        struct rtl28xxu_dev *dev = adap_to_priv(adap);
1850
1851        if (dev->chip_id == CHIP_ID_RTL2831U) {
1852                struct rtl2830_platform_data *pdata = &dev->rtl2830_platform_data;
1853
1854                return pdata->pid_filter(adap->fe[0], index, pid, onoff);
1855        } else {
1856                struct rtl2832_platform_data *pdata = &dev->rtl2832_platform_data;
1857
1858                return pdata->pid_filter(adap->fe[0], index, pid, onoff);
1859        }
1860}
1861
1862static const struct dvb_usb_device_properties rtl28xxu_props = {
1863        .driver_name = KBUILD_MODNAME,
1864        .owner = THIS_MODULE,
1865        .adapter_nr = adapter_nr,
1866        .size_of_priv = sizeof(struct rtl28xxu_dev),
1867
1868        .identify_state = rtl28xxu_identify_state,
1869        .power_ctrl = rtl28xxu_power_ctrl,
1870        .frontend_ctrl = rtl28xxu_frontend_ctrl,
1871        .i2c_algo = &rtl28xxu_i2c_algo,
1872        .read_config = rtl28xxu_read_config,
1873        .frontend_attach = rtl28xxu_frontend_attach,
1874        .frontend_detach = rtl28xxu_frontend_detach,
1875        .tuner_attach = rtl28xxu_tuner_attach,
1876        .tuner_detach = rtl28xxu_tuner_detach,
1877        .init = rtl28xxu_init,
1878        .get_rc_config = rtl28xxu_get_rc_config,
1879
1880        .num_adapters = 1,
1881        .adapter = {
1882                {
1883                        .caps = DVB_USB_ADAP_HAS_PID_FILTER |
1884                                DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
1885
1886                        .pid_filter_count = 32,
1887                        .pid_filter_ctrl = rtl28xxu_pid_filter_ctrl,
1888                        .pid_filter = rtl28xxu_pid_filter,
1889
1890                        .stream = DVB_USB_STREAM_BULK(0x81, 6, 8 * 512),
1891                },
1892        },
1893};
1894
1895static const struct usb_device_id rtl28xxu_id_table[] = {
1896        /* RTL2831U devices: */
1897        { DVB_USB_DEVICE(USB_VID_REALTEK, USB_PID_REALTEK_RTL2831U,
1898                &rtl28xxu_props, "Realtek RTL2831U reference design", NULL) },
1899        { DVB_USB_DEVICE(USB_VID_WIDEVIEW, USB_PID_FREECOM_DVBT,
1900                &rtl28xxu_props, "Freecom USB2.0 DVB-T", NULL) },
1901        { DVB_USB_DEVICE(USB_VID_WIDEVIEW, USB_PID_FREECOM_DVBT_2,
1902                &rtl28xxu_props, "Freecom USB2.0 DVB-T", NULL) },
1903
1904        /* RTL2832U devices: */
1905        { DVB_USB_DEVICE(USB_VID_REALTEK, 0x2832,
1906                &rtl28xxu_props, "Realtek RTL2832U reference design", NULL) },
1907        { DVB_USB_DEVICE(USB_VID_REALTEK, 0x2838,
1908                &rtl28xxu_props, "Realtek RTL2832U reference design", NULL) },
1909        { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_CINERGY_T_STICK_BLACK_REV1,
1910                &rtl28xxu_props, "TerraTec Cinergy T Stick Black", RC_MAP_TERRATEC_SLIM) },
1911        { DVB_USB_DEVICE(USB_VID_GTEK, USB_PID_DELOCK_USB2_DVBT,
1912                &rtl28xxu_props, "G-Tek Electronics Group Lifeview LV5TDLX DVB-T", NULL) },
1913        { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_NOXON_DAB_STICK,
1914                &rtl28xxu_props, "TerraTec NOXON DAB Stick", NULL) },
1915        { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_NOXON_DAB_STICK_REV2,
1916                &rtl28xxu_props, "TerraTec NOXON DAB Stick (rev 2)", NULL) },
1917        { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_NOXON_DAB_STICK_REV3,
1918                &rtl28xxu_props, "TerraTec NOXON DAB Stick (rev 3)", NULL) },
1919        { DVB_USB_DEVICE(USB_VID_GTEK, USB_PID_TREKSTOR_TERRES_2_0,
1920                &rtl28xxu_props, "Trekstor DVB-T Stick Terres 2.0", NULL) },
1921        { DVB_USB_DEVICE(USB_VID_DEXATEK, 0x1101,
1922                &rtl28xxu_props, "Dexatek DK DVB-T Dongle", NULL) },
1923        { DVB_USB_DEVICE(USB_VID_LEADTEK, 0x6680,
1924                &rtl28xxu_props, "DigitalNow Quad DVB-T Receiver", NULL) },
1925        { DVB_USB_DEVICE(USB_VID_LEADTEK, USB_PID_WINFAST_DTV_DONGLE_MINID,
1926                &rtl28xxu_props, "Leadtek Winfast DTV Dongle Mini D", NULL) },
1927        { DVB_USB_DEVICE(USB_VID_LEADTEK, USB_PID_WINFAST_DTV2000DS_PLUS,
1928                &rtl28xxu_props, "Leadtek WinFast DTV2000DS Plus", RC_MAP_LEADTEK_Y04G0051) },
1929        { DVB_USB_DEVICE(USB_VID_TERRATEC, 0x00d3,
1930                &rtl28xxu_props, "TerraTec Cinergy T Stick RC (Rev. 3)", NULL) },
1931        { DVB_USB_DEVICE(USB_VID_DEXATEK, 0x1102,
1932                &rtl28xxu_props, "Dexatek DK mini DVB-T Dongle", NULL) },
1933        { DVB_USB_DEVICE(USB_VID_TERRATEC, 0x00d7,
1934                &rtl28xxu_props, "TerraTec Cinergy T Stick+", NULL) },
1935        { DVB_USB_DEVICE(USB_VID_KWORLD_2, 0xd3a8,
1936                &rtl28xxu_props, "ASUS My Cinema-U3100Mini Plus V2", NULL) },
1937        { DVB_USB_DEVICE(USB_VID_KWORLD_2, 0xd393,
1938                &rtl28xxu_props, "GIGABYTE U7300", NULL) },
1939        { DVB_USB_DEVICE(USB_VID_DEXATEK, 0x1104,
1940                &rtl28xxu_props, "MSI DIGIVOX Micro HD", NULL) },
1941        { DVB_USB_DEVICE(USB_VID_COMPRO, 0x0620,
1942                &rtl28xxu_props, "Compro VideoMate U620F", NULL) },
1943        { DVB_USB_DEVICE(USB_VID_COMPRO, 0x0650,
1944                &rtl28xxu_props, "Compro VideoMate U650F", NULL) },
1945        { DVB_USB_DEVICE(USB_VID_KWORLD_2, 0xd394,
1946                &rtl28xxu_props, "MaxMedia HU394-T", NULL) },
1947        { DVB_USB_DEVICE(USB_VID_LEADTEK, 0x6a03,
1948                &rtl28xxu_props, "Leadtek WinFast DTV Dongle mini", NULL) },
1949        { DVB_USB_DEVICE(USB_VID_GTEK, USB_PID_CPYTO_REDI_PC50A,
1950                &rtl28xxu_props, "Crypto ReDi PC 50 A", NULL) },
1951        { DVB_USB_DEVICE(USB_VID_KYE, 0x707f,
1952                &rtl28xxu_props, "Genius TVGo DVB-T03", NULL) },
1953        { DVB_USB_DEVICE(USB_VID_KWORLD_2, 0xd395,
1954                &rtl28xxu_props, "Peak DVB-T USB", NULL) },
1955        { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_SVEON_STV20_RTL2832U,
1956                &rtl28xxu_props, "Sveon STV20", NULL) },
1957        { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_SVEON_STV21,
1958                &rtl28xxu_props, "Sveon STV21", NULL) },
1959        { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_SVEON_STV27,
1960                &rtl28xxu_props, "Sveon STV27", NULL) },
1961        { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_TURBOX_DTT_2000,
1962                &rtl28xxu_props, "TURBO-X Pure TV Tuner DTT-2000", NULL) },
1963        { DVB_USB_DEVICE(USB_VID_GTEK, USB_PID_PROLECTRIX_DV107669,
1964                &rtl28xxu_props, "PROlectrix DV107669", NULL) },
1965
1966        /* RTL2832P devices: */
1967        { DVB_USB_DEVICE(USB_VID_HANFTEK, 0x0131,
1968                &rtl28xxu_props, "Astrometa DVB-T2",
1969                RC_MAP_ASTROMETA_T2HYBRID) },
1970        { DVB_USB_DEVICE(0x5654, 0xca42,
1971                &rtl28xxu_props, "GoTView MasterHD 3", NULL) },
1972        { }
1973};
1974MODULE_DEVICE_TABLE(usb, rtl28xxu_id_table);
1975
1976static struct usb_driver rtl28xxu_usb_driver = {
1977        .name = KBUILD_MODNAME,
1978        .id_table = rtl28xxu_id_table,
1979        .probe = dvb_usbv2_probe,
1980        .disconnect = dvb_usbv2_disconnect,
1981        .suspend = dvb_usbv2_suspend,
1982        .resume = dvb_usbv2_resume,
1983        .reset_resume = dvb_usbv2_reset_resume,
1984        .no_dynamic_id = 1,
1985        .soft_unbind = 1,
1986};
1987
1988module_usb_driver(rtl28xxu_usb_driver);
1989
1990MODULE_DESCRIPTION("Realtek RTL28xxU DVB USB driver");
1991MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
1992MODULE_AUTHOR("Thomas Mair <thomas.mair86@googlemail.com>");
1993MODULE_LICENSE("GPL");
1994