linux/drivers/media/usb/dvb-usb-v2/af9015.c
<<
>>
Prefs
   1/*
   2 * DVB USB Linux driver for Afatech AF9015 DVB-T USB2.0 receiver
   3 *
   4 * Copyright (C) 2007 Antti Palosaari <crope@iki.fi>
   5 *
   6 * Thanks to Afatech who kindly provided information.
   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 */
  19
  20#include "af9015.h"
  21
  22static int dvb_usb_af9015_remote;
  23module_param_named(remote, dvb_usb_af9015_remote, int, 0644);
  24MODULE_PARM_DESC(remote, "select remote");
  25DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
  26
  27static int af9015_ctrl_msg(struct dvb_usb_device *d, struct req_t *req)
  28{
  29#define REQ_HDR_LEN 8 /* send header size */
  30#define ACK_HDR_LEN 2 /* rece header size */
  31        struct af9015_state *state = d_to_priv(d);
  32        struct usb_interface *intf = d->intf;
  33        int ret, wlen, rlen;
  34        u8 write = 1;
  35
  36        mutex_lock(&d->usb_mutex);
  37
  38        state->buf[0] = req->cmd;
  39        state->buf[1] = state->seq++;
  40        state->buf[2] = req->i2c_addr << 1;
  41        state->buf[3] = req->addr >> 8;
  42        state->buf[4] = req->addr & 0xff;
  43        state->buf[5] = req->mbox;
  44        state->buf[6] = req->addr_len;
  45        state->buf[7] = req->data_len;
  46
  47        switch (req->cmd) {
  48        case GET_CONFIG:
  49        case READ_MEMORY:
  50        case RECONNECT_USB:
  51                write = 0;
  52                break;
  53        case READ_I2C:
  54                write = 0;
  55                state->buf[2] |= 0x01; /* set I2C direction */
  56                /* fall through */
  57        case WRITE_I2C:
  58                state->buf[0] = READ_WRITE_I2C;
  59                break;
  60        case WRITE_MEMORY:
  61                if (((req->addr & 0xff00) == 0xff00) ||
  62                    ((req->addr & 0xff00) == 0xae00))
  63                        state->buf[0] = WRITE_VIRTUAL_MEMORY;
  64        case WRITE_VIRTUAL_MEMORY:
  65        case COPY_FIRMWARE:
  66        case DOWNLOAD_FIRMWARE:
  67        case BOOT:
  68                break;
  69        default:
  70                dev_err(&intf->dev, "unknown cmd %d\n", req->cmd);
  71                ret = -EIO;
  72                goto error;
  73        }
  74
  75        /* Buffer overflow check */
  76        if ((write && (req->data_len > BUF_LEN - REQ_HDR_LEN)) ||
  77            (!write && (req->data_len > BUF_LEN - ACK_HDR_LEN))) {
  78                dev_err(&intf->dev, "too much data, cmd %u, len %u\n",
  79                        req->cmd, req->data_len);
  80                ret = -EINVAL;
  81                goto error;
  82        }
  83
  84        /*
  85         * Write receives seq + status = 2 bytes
  86         * Read receives seq + status + data = 2 + N bytes
  87         */
  88        wlen = REQ_HDR_LEN;
  89        rlen = ACK_HDR_LEN;
  90        if (write) {
  91                wlen += req->data_len;
  92                memcpy(&state->buf[REQ_HDR_LEN], req->data, req->data_len);
  93        } else {
  94                rlen += req->data_len;
  95        }
  96
  97        /* no ack for these packets */
  98        if (req->cmd == DOWNLOAD_FIRMWARE || req->cmd == RECONNECT_USB)
  99                rlen = 0;
 100
 101        ret = dvb_usbv2_generic_rw_locked(d, state->buf, wlen,
 102                                          state->buf, rlen);
 103        if (ret)
 104                goto error;
 105
 106        /* check status */
 107        if (rlen && state->buf[1]) {
 108                dev_err(&intf->dev, "cmd failed %u\n", state->buf[1]);
 109                ret = -EIO;
 110                goto error;
 111        }
 112
 113        /* read request, copy returned data to return buf */
 114        if (!write)
 115                memcpy(req->data, &state->buf[ACK_HDR_LEN], req->data_len);
 116error:
 117        mutex_unlock(&d->usb_mutex);
 118
 119        return ret;
 120}
 121
 122static int af9015_write_reg_i2c(struct dvb_usb_device *d, u8 addr, u16 reg,
 123                                u8 val)
 124{
 125        struct af9015_state *state = d_to_priv(d);
 126        struct req_t req = {WRITE_I2C, addr, reg, 1, 1, 1, &val};
 127
 128        if (addr == state->af9013_i2c_addr[0] ||
 129            addr == state->af9013_i2c_addr[1])
 130                req.addr_len = 3;
 131
 132        return af9015_ctrl_msg(d, &req);
 133}
 134
 135static int af9015_read_reg_i2c(struct dvb_usb_device *d, u8 addr, u16 reg,
 136                               u8 *val)
 137{
 138        struct af9015_state *state = d_to_priv(d);
 139        struct req_t req = {READ_I2C, addr, reg, 0, 1, 1, val};
 140
 141        if (addr == state->af9013_i2c_addr[0] ||
 142            addr == state->af9013_i2c_addr[1])
 143                req.addr_len = 3;
 144
 145        return af9015_ctrl_msg(d, &req);
 146}
 147
 148static int af9015_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[],
 149                           int num)
 150{
 151        struct dvb_usb_device *d = i2c_get_adapdata(adap);
 152        struct af9015_state *state = d_to_priv(d);
 153        struct usb_interface *intf = d->intf;
 154        int ret;
 155        u16 addr;
 156        u8 mbox, addr_len;
 157        struct req_t req;
 158
 159        /*
 160         * I2C multiplexing:
 161         * There could be two tuners, both using same I2C address. Demodulator
 162         * I2C-gate is only possibility to select correct tuner.
 163         *
 164         * ...........................................
 165         * . AF9015 integrates AF9013 demodulator    .
 166         * . ____________               ____________ .             ____________
 167         * .|   USB IF   |             |   demod    |.            |   tuner    |
 168         * .|------------|             |------------|.            |------------|
 169         * .|   AF9015   |             |   AF9013   |.            |   MXL5003  |
 170         * .|            |--+--I2C-----|-----/ -----|.----I2C-----|            |
 171         * .|            |  |          | addr 0x1c  |.            |  addr 0x63 |
 172         * .|____________|  |          |____________|.            |____________|
 173         * .................|.........................
 174         *                  |           ____________               ____________
 175         *                  |          |   demod    |             |   tuner    |
 176         *                  |          |------------|             |------------|
 177         *                  |          |   AF9013   |             |   MXL5003  |
 178         *                  +--I2C-----|-----/ -----|-----I2C-----|            |
 179         *                             | addr 0x1d  |             |  addr 0x63 |
 180         *                             |____________|             |____________|
 181         */
 182
 183        if (msg[0].len == 0 || msg[0].flags & I2C_M_RD) {
 184                addr = 0x0000;
 185                mbox = 0;
 186                addr_len = 0;
 187        } else if (msg[0].len == 1) {
 188                addr = msg[0].buf[0];
 189                mbox = 0;
 190                addr_len = 1;
 191        } else if (msg[0].len == 2) {
 192                addr = msg[0].buf[0] << 8 | msg[0].buf[1] << 0;
 193                mbox = 0;
 194                addr_len = 2;
 195        } else {
 196                addr = msg[0].buf[0] << 8 | msg[0].buf[1] << 0;
 197                mbox = msg[0].buf[2];
 198                addr_len = 3;
 199        }
 200
 201        if (num == 1 && !(msg[0].flags & I2C_M_RD)) {
 202                /* i2c write */
 203                if (msg[0].len > 21) {
 204                        ret = -EOPNOTSUPP;
 205                        goto err;
 206                }
 207                if (msg[0].addr == state->af9013_i2c_addr[0])
 208                        req.cmd = WRITE_MEMORY;
 209                else
 210                        req.cmd = WRITE_I2C;
 211                req.i2c_addr = msg[0].addr;
 212                req.addr = addr;
 213                req.mbox = mbox;
 214                req.addr_len = addr_len;
 215                req.data_len = msg[0].len - addr_len;
 216                req.data = &msg[0].buf[addr_len];
 217                ret = af9015_ctrl_msg(d, &req);
 218        } else if (num == 2 && !(msg[0].flags & I2C_M_RD) &&
 219                   (msg[1].flags & I2C_M_RD)) {
 220                /* i2c write + read */
 221                if (msg[0].len > 3 || msg[1].len > 61) {
 222                        ret = -EOPNOTSUPP;
 223                        goto err;
 224                }
 225                if (msg[0].addr == state->af9013_i2c_addr[0])
 226                        req.cmd = READ_MEMORY;
 227                else
 228                        req.cmd = READ_I2C;
 229                req.i2c_addr = msg[0].addr;
 230                req.addr = addr;
 231                req.mbox = mbox;
 232                req.addr_len = addr_len;
 233                req.data_len = msg[1].len;
 234                req.data = &msg[1].buf[0];
 235                ret = af9015_ctrl_msg(d, &req);
 236        } else if (num == 1 && (msg[0].flags & I2C_M_RD)) {
 237                /* i2c read */
 238                if (msg[0].len > 61) {
 239                        ret = -EOPNOTSUPP;
 240                        goto err;
 241                }
 242                if (msg[0].addr == state->af9013_i2c_addr[0]) {
 243                        ret = -EINVAL;
 244                        goto err;
 245                }
 246                req.cmd = READ_I2C;
 247                req.i2c_addr = msg[0].addr;
 248                req.addr = addr;
 249                req.mbox = mbox;
 250                req.addr_len = addr_len;
 251                req.data_len = msg[0].len;
 252                req.data = &msg[0].buf[0];
 253                ret = af9015_ctrl_msg(d, &req);
 254        } else {
 255                ret = -EOPNOTSUPP;
 256                dev_dbg(&intf->dev, "unknown msg, num %u\n", num);
 257        }
 258        if (ret)
 259                goto err;
 260
 261        return num;
 262err:
 263        dev_dbg(&intf->dev, "failed %d\n", ret);
 264        return ret;
 265}
 266
 267static u32 af9015_i2c_func(struct i2c_adapter *adapter)
 268{
 269        return I2C_FUNC_I2C;
 270}
 271
 272static struct i2c_algorithm af9015_i2c_algo = {
 273        .master_xfer = af9015_i2c_xfer,
 274        .functionality = af9015_i2c_func,
 275};
 276
 277static int af9015_identify_state(struct dvb_usb_device *d, const char **name)
 278{
 279        struct usb_interface *intf = d->intf;
 280        int ret;
 281        u8 reply;
 282        struct req_t req = {GET_CONFIG, 0, 0, 0, 0, 1, &reply};
 283
 284        ret = af9015_ctrl_msg(d, &req);
 285        if (ret)
 286                return ret;
 287
 288        dev_dbg(&intf->dev, "reply %02x\n", reply);
 289
 290        if (reply == 0x02)
 291                ret = WARM;
 292        else
 293                ret = COLD;
 294
 295        return ret;
 296}
 297
 298static int af9015_download_firmware(struct dvb_usb_device *d,
 299                                    const struct firmware *firmware)
 300{
 301        struct af9015_state *state = d_to_priv(d);
 302        struct usb_interface *intf = d->intf;
 303        int ret, i, rem;
 304        struct req_t req = {DOWNLOAD_FIRMWARE, 0, 0, 0, 0, 0, NULL};
 305        u16 checksum;
 306
 307        dev_dbg(&intf->dev, "\n");
 308
 309        /* Calc checksum, we need it when copy firmware to slave demod */
 310        for (i = 0, checksum = 0; i < firmware->size; i++)
 311                checksum += firmware->data[i];
 312
 313        state->firmware_size = firmware->size;
 314        state->firmware_checksum = checksum;
 315
 316        #define LEN_MAX (BUF_LEN - REQ_HDR_LEN) /* Max payload size */
 317        for (rem = firmware->size; rem > 0; rem -= LEN_MAX) {
 318                req.data_len = min(LEN_MAX, rem);
 319                req.data = (u8 *)&firmware->data[firmware->size - rem];
 320                req.addr = 0x5100 + firmware->size - rem;
 321                ret = af9015_ctrl_msg(d, &req);
 322                if (ret) {
 323                        dev_err(&intf->dev, "firmware download failed %d\n",
 324                                ret);
 325                        goto err;
 326                }
 327        }
 328
 329        req.cmd = BOOT;
 330        req.data_len = 0;
 331        ret = af9015_ctrl_msg(d, &req);
 332        if (ret) {
 333                dev_err(&intf->dev, "firmware boot failed %d\n", ret);
 334                goto err;
 335        }
 336
 337        return 0;
 338err:
 339        dev_dbg(&intf->dev, "failed %d\n", ret);
 340        return ret;
 341}
 342
 343#define AF9015_EEPROM_SIZE 256
 344/* 2^31 + 2^29 - 2^25 + 2^22 - 2^19 - 2^16 + 1 */
 345#define GOLDEN_RATIO_PRIME_32 0x9e370001UL
 346
 347/* hash (and dump) eeprom */
 348static int af9015_eeprom_hash(struct dvb_usb_device *d)
 349{
 350        struct af9015_state *state = d_to_priv(d);
 351        struct usb_interface *intf = d->intf;
 352        int ret, i;
 353        u8 buf[AF9015_EEPROM_SIZE];
 354        struct req_t req = {READ_I2C, AF9015_I2C_EEPROM, 0, 0, 1, 1, NULL};
 355
 356        /* read eeprom */
 357        for (i = 0; i < AF9015_EEPROM_SIZE; i++) {
 358                req.addr = i;
 359                req.data = &buf[i];
 360                ret = af9015_ctrl_msg(d, &req);
 361                if (ret < 0)
 362                        goto err;
 363        }
 364
 365        /* calculate checksum */
 366        for (i = 0; i < AF9015_EEPROM_SIZE / sizeof(u32); i++) {
 367                state->eeprom_sum *= GOLDEN_RATIO_PRIME_32;
 368                state->eeprom_sum += le32_to_cpu(((__le32 *)buf)[i]);
 369        }
 370
 371        for (i = 0; i < AF9015_EEPROM_SIZE; i += 16)
 372                dev_dbg(&intf->dev, "%*ph\n", 16, buf + i);
 373
 374        dev_dbg(&intf->dev, "eeprom sum %.8x\n", state->eeprom_sum);
 375        return 0;
 376err:
 377        dev_dbg(&intf->dev, "failed %d\n", ret);
 378        return ret;
 379}
 380
 381static int af9015_read_config(struct dvb_usb_device *d)
 382{
 383        struct af9015_state *state = d_to_priv(d);
 384        struct usb_interface *intf = d->intf;
 385        int ret;
 386        u8 val, i, offset = 0;
 387        struct req_t req = {READ_I2C, AF9015_I2C_EEPROM, 0, 0, 1, 1, &val};
 388
 389        dev_dbg(&intf->dev, "\n");
 390
 391        /* IR remote controller */
 392        req.addr = AF9015_EEPROM_IR_MODE;
 393        /* first message will timeout often due to possible hw bug */
 394        for (i = 0; i < 4; i++) {
 395                ret = af9015_ctrl_msg(d, &req);
 396                if (!ret)
 397                        break;
 398        }
 399        if (ret)
 400                goto error;
 401
 402        ret = af9015_eeprom_hash(d);
 403        if (ret)
 404                goto error;
 405
 406        state->ir_mode = val;
 407        dev_dbg(&intf->dev, "ir mode %02x\n", val);
 408
 409        /* TS mode - one or two receivers */
 410        req.addr = AF9015_EEPROM_TS_MODE;
 411        ret = af9015_ctrl_msg(d, &req);
 412        if (ret)
 413                goto error;
 414
 415        state->dual_mode = val;
 416        dev_dbg(&intf->dev, "ts mode %02x\n", state->dual_mode);
 417
 418        state->af9013_i2c_addr[0] = AF9015_I2C_DEMOD;
 419
 420        if (state->dual_mode) {
 421                /* read 2nd demodulator I2C address */
 422                req.addr = AF9015_EEPROM_DEMOD2_I2C;
 423                ret = af9015_ctrl_msg(d, &req);
 424                if (ret)
 425                        goto error;
 426
 427                state->af9013_i2c_addr[1] = val >> 1;
 428        }
 429
 430        for (i = 0; i < state->dual_mode + 1; i++) {
 431                if (i == 1)
 432                        offset = AF9015_EEPROM_OFFSET;
 433                /* xtal */
 434                req.addr = AF9015_EEPROM_XTAL_TYPE1 + offset;
 435                ret = af9015_ctrl_msg(d, &req);
 436                if (ret)
 437                        goto error;
 438                switch (val) {
 439                case 0:
 440                        state->af9013_pdata[i].clk = 28800000;
 441                        break;
 442                case 1:
 443                        state->af9013_pdata[i].clk = 20480000;
 444                        break;
 445                case 2:
 446                        state->af9013_pdata[i].clk = 28000000;
 447                        break;
 448                case 3:
 449                        state->af9013_pdata[i].clk = 25000000;
 450                        break;
 451                }
 452                dev_dbg(&intf->dev, "[%d] xtal %02x, clk %u\n",
 453                        i, val, state->af9013_pdata[i].clk);
 454
 455                /* IF frequency */
 456                req.addr = AF9015_EEPROM_IF1H + offset;
 457                ret = af9015_ctrl_msg(d, &req);
 458                if (ret)
 459                        goto error;
 460
 461                state->af9013_pdata[i].if_frequency = val << 8;
 462
 463                req.addr = AF9015_EEPROM_IF1L + offset;
 464                ret = af9015_ctrl_msg(d, &req);
 465                if (ret)
 466                        goto error;
 467
 468                state->af9013_pdata[i].if_frequency += val;
 469                state->af9013_pdata[i].if_frequency *= 1000;
 470                dev_dbg(&intf->dev, "[%d] if frequency %u\n",
 471                        i, state->af9013_pdata[i].if_frequency);
 472
 473                /* MT2060 IF1 */
 474                req.addr = AF9015_EEPROM_MT2060_IF1H  + offset;
 475                ret = af9015_ctrl_msg(d, &req);
 476                if (ret)
 477                        goto error;
 478                state->mt2060_if1[i] = val << 8;
 479                req.addr = AF9015_EEPROM_MT2060_IF1L + offset;
 480                ret = af9015_ctrl_msg(d, &req);
 481                if (ret)
 482                        goto error;
 483                state->mt2060_if1[i] += val;
 484                dev_dbg(&intf->dev, "[%d] MT2060 IF1 %u\n",
 485                        i, state->mt2060_if1[i]);
 486
 487                /* tuner */
 488                req.addr =  AF9015_EEPROM_TUNER_ID1 + offset;
 489                ret = af9015_ctrl_msg(d, &req);
 490                if (ret)
 491                        goto error;
 492                switch (val) {
 493                case AF9013_TUNER_ENV77H11D5:
 494                case AF9013_TUNER_MT2060:
 495                case AF9013_TUNER_QT1010:
 496                case AF9013_TUNER_UNKNOWN:
 497                case AF9013_TUNER_MT2060_2:
 498                case AF9013_TUNER_TDA18271:
 499                case AF9013_TUNER_QT1010A:
 500                case AF9013_TUNER_TDA18218:
 501                        state->af9013_pdata[i].spec_inv = 1;
 502                        break;
 503                case AF9013_TUNER_MXL5003D:
 504                case AF9013_TUNER_MXL5005D:
 505                case AF9013_TUNER_MXL5005R:
 506                case AF9013_TUNER_MXL5007T:
 507                        state->af9013_pdata[i].spec_inv = 0;
 508                        break;
 509                case AF9013_TUNER_MC44S803:
 510                        state->af9013_pdata[i].gpio[1] = AF9013_GPIO_LO;
 511                        state->af9013_pdata[i].spec_inv = 1;
 512                        break;
 513                default:
 514                        dev_err(&intf->dev,
 515                                "tuner id %02x not supported, please report!\n",
 516                                val);
 517                        return -ENODEV;
 518                }
 519
 520                state->af9013_pdata[i].tuner = val;
 521                dev_dbg(&intf->dev, "[%d] tuner id %02x\n", i, val);
 522        }
 523
 524error:
 525        if (ret)
 526                dev_err(&intf->dev, "eeprom read failed %d\n", ret);
 527
 528        /*
 529         * AverMedia AVerTV Volar Black HD (A850) device have bad EEPROM
 530         * content :-( Override some wrong values here. Ditto for the
 531         * AVerTV Red HD+ (A850T) device.
 532         */
 533        if (le16_to_cpu(d->udev->descriptor.idVendor) == USB_VID_AVERMEDIA &&
 534            ((le16_to_cpu(d->udev->descriptor.idProduct) == USB_PID_AVERMEDIA_A850) ||
 535            (le16_to_cpu(d->udev->descriptor.idProduct) == USB_PID_AVERMEDIA_A850T))) {
 536                dev_dbg(&intf->dev, "AverMedia A850: overriding config\n");
 537                /* disable dual mode */
 538                state->dual_mode = 0;
 539
 540                /* set correct IF */
 541                state->af9013_pdata[0].if_frequency = 4570000;
 542        }
 543
 544        return ret;
 545}
 546
 547static int af9015_get_stream_config(struct dvb_frontend *fe, u8 *ts_type,
 548                                    struct usb_data_stream_properties *stream)
 549{
 550        struct dvb_usb_device *d = fe_to_d(fe);
 551        struct usb_interface *intf = d->intf;
 552
 553        dev_dbg(&intf->dev, "adap %u\n", fe_to_adap(fe)->id);
 554
 555        if (d->udev->speed == USB_SPEED_FULL)
 556                stream->u.bulk.buffersize = 5 * 188;
 557
 558        return 0;
 559}
 560
 561static int af9015_streaming_ctrl(struct dvb_frontend *fe, int onoff)
 562{
 563        struct dvb_usb_device *d = fe_to_d(fe);
 564        struct af9015_state *state = d_to_priv(d);
 565        struct usb_interface *intf = d->intf;
 566        int ret;
 567        unsigned int utmp1, utmp2, reg1, reg2;
 568        u8 buf[2];
 569        const unsigned int adap_id = fe_to_adap(fe)->id;
 570
 571        dev_dbg(&intf->dev, "adap id %d, onoff %d\n", adap_id, onoff);
 572
 573        if (!state->usb_ts_if_configured[adap_id]) {
 574                dev_dbg(&intf->dev, "set usb and ts interface\n");
 575
 576                /* USB IF stream settings */
 577                utmp1 = (d->udev->speed == USB_SPEED_FULL ? 5 : 87) * 188 / 4;
 578                utmp2 = (d->udev->speed == USB_SPEED_FULL ? 64 : 512) / 4;
 579
 580                buf[0] = (utmp1 >> 0) & 0xff;
 581                buf[1] = (utmp1 >> 8) & 0xff;
 582                if (adap_id == 0) {
 583                        /* 1st USB IF (EP4) stream settings */
 584                        reg1 = 0xdd88;
 585                        reg2 = 0xdd0c;
 586                } else {
 587                        /* 2nd USB IF (EP5) stream settings */
 588                        reg1 = 0xdd8a;
 589                        reg2 = 0xdd0d;
 590                }
 591                ret = regmap_bulk_write(state->regmap, reg1, buf, 2);
 592                if (ret)
 593                        goto err;
 594                ret = regmap_write(state->regmap, reg2, utmp2);
 595                if (ret)
 596                        goto err;
 597
 598                /* TS IF settings */
 599                if (state->dual_mode) {
 600                        utmp1 = 0x01;
 601                        utmp2 = 0x10;
 602                } else {
 603                        utmp1 = 0x00;
 604                        utmp2 = 0x00;
 605                }
 606                ret = regmap_update_bits(state->regmap, 0xd50b, 0x01, utmp1);
 607                if (ret)
 608                        goto err;
 609                ret = regmap_update_bits(state->regmap, 0xd520, 0x10, utmp2);
 610                if (ret)
 611                        goto err;
 612
 613                state->usb_ts_if_configured[adap_id] = true;
 614        }
 615
 616        if (adap_id == 0 && onoff) {
 617                /* Adapter 0 stream on. EP4: clear NAK, enable, clear reset */
 618                ret = regmap_update_bits(state->regmap, 0xdd13, 0x20, 0x00);
 619                if (ret)
 620                        goto err;
 621                ret = regmap_update_bits(state->regmap, 0xdd11, 0x20, 0x20);
 622                if (ret)
 623                        goto err;
 624                ret = regmap_update_bits(state->regmap, 0xd507, 0x04, 0x00);
 625                if (ret)
 626                        goto err;
 627        } else if (adap_id == 1 && onoff) {
 628                /* Adapter 1 stream on. EP5: clear NAK, enable, clear reset */
 629                ret = regmap_update_bits(state->regmap, 0xdd13, 0x40, 0x00);
 630                if (ret)
 631                        goto err;
 632                ret = regmap_update_bits(state->regmap, 0xdd11, 0x40, 0x40);
 633                if (ret)
 634                        goto err;
 635                ret = regmap_update_bits(state->regmap, 0xd50b, 0x02, 0x00);
 636                if (ret)
 637                        goto err;
 638        } else if (adap_id == 0 && !onoff) {
 639                /* Adapter 0 stream off. EP4: set reset, disable, set NAK */
 640                ret = regmap_update_bits(state->regmap, 0xd507, 0x04, 0x04);
 641                if (ret)
 642                        goto err;
 643                ret = regmap_update_bits(state->regmap, 0xdd11, 0x20, 0x00);
 644                if (ret)
 645                        goto err;
 646                ret = regmap_update_bits(state->regmap, 0xdd13, 0x20, 0x20);
 647                if (ret)
 648                        goto err;
 649        } else if (adap_id == 1 && !onoff) {
 650                /* Adapter 1 stream off. EP5: set reset, disable, set NAK */
 651                ret = regmap_update_bits(state->regmap, 0xd50b, 0x02, 0x02);
 652                if (ret)
 653                        goto err;
 654                ret = regmap_update_bits(state->regmap, 0xdd11, 0x40, 0x00);
 655                if (ret)
 656                        goto err;
 657                ret = regmap_update_bits(state->regmap, 0xdd13, 0x40, 0x40);
 658                if (ret)
 659                        goto err;
 660        }
 661
 662        return 0;
 663err:
 664        dev_dbg(&intf->dev, "failed %d\n", ret);
 665        return ret;
 666}
 667
 668static int af9015_get_adapter_count(struct dvb_usb_device *d)
 669{
 670        struct af9015_state *state = d_to_priv(d);
 671
 672        return state->dual_mode + 1;
 673}
 674
 675/* override demod callbacks for resource locking */
 676static int af9015_af9013_set_frontend(struct dvb_frontend *fe)
 677{
 678        int ret;
 679        struct af9015_state *state = fe_to_priv(fe);
 680
 681        if (mutex_lock_interruptible(&state->fe_mutex))
 682                return -EAGAIN;
 683
 684        ret = state->set_frontend[fe_to_adap(fe)->id](fe);
 685
 686        mutex_unlock(&state->fe_mutex);
 687
 688        return ret;
 689}
 690
 691/* override demod callbacks for resource locking */
 692static int af9015_af9013_read_status(struct dvb_frontend *fe,
 693                                     enum fe_status *status)
 694{
 695        int ret;
 696        struct af9015_state *state = fe_to_priv(fe);
 697
 698        if (mutex_lock_interruptible(&state->fe_mutex))
 699                return -EAGAIN;
 700
 701        ret = state->read_status[fe_to_adap(fe)->id](fe, status);
 702
 703        mutex_unlock(&state->fe_mutex);
 704
 705        return ret;
 706}
 707
 708/* override demod callbacks for resource locking */
 709static int af9015_af9013_init(struct dvb_frontend *fe)
 710{
 711        int ret;
 712        struct af9015_state *state = fe_to_priv(fe);
 713
 714        if (mutex_lock_interruptible(&state->fe_mutex))
 715                return -EAGAIN;
 716
 717        ret = state->init[fe_to_adap(fe)->id](fe);
 718
 719        mutex_unlock(&state->fe_mutex);
 720
 721        return ret;
 722}
 723
 724/* override demod callbacks for resource locking */
 725static int af9015_af9013_sleep(struct dvb_frontend *fe)
 726{
 727        int ret;
 728        struct af9015_state *state = fe_to_priv(fe);
 729
 730        if (mutex_lock_interruptible(&state->fe_mutex))
 731                return -EAGAIN;
 732
 733        ret = state->sleep[fe_to_adap(fe)->id](fe);
 734
 735        mutex_unlock(&state->fe_mutex);
 736
 737        return ret;
 738}
 739
 740/* override tuner callbacks for resource locking */
 741static int af9015_tuner_init(struct dvb_frontend *fe)
 742{
 743        int ret;
 744        struct af9015_state *state = fe_to_priv(fe);
 745
 746        if (mutex_lock_interruptible(&state->fe_mutex))
 747                return -EAGAIN;
 748
 749        ret = state->tuner_init[fe_to_adap(fe)->id](fe);
 750
 751        mutex_unlock(&state->fe_mutex);
 752
 753        return ret;
 754}
 755
 756/* override tuner callbacks for resource locking */
 757static int af9015_tuner_sleep(struct dvb_frontend *fe)
 758{
 759        int ret;
 760        struct af9015_state *state = fe_to_priv(fe);
 761
 762        if (mutex_lock_interruptible(&state->fe_mutex))
 763                return -EAGAIN;
 764
 765        ret = state->tuner_sleep[fe_to_adap(fe)->id](fe);
 766
 767        mutex_unlock(&state->fe_mutex);
 768
 769        return ret;
 770}
 771
 772static int af9015_copy_firmware(struct dvb_usb_device *d)
 773{
 774        struct af9015_state *state = d_to_priv(d);
 775        struct usb_interface *intf = d->intf;
 776        int ret;
 777        unsigned long timeout;
 778        u8 val, firmware_info[4];
 779        struct req_t req = {COPY_FIRMWARE, 0, 0x5100, 0, 0, 4, firmware_info};
 780
 781        dev_dbg(&intf->dev, "\n");
 782
 783        firmware_info[0] = (state->firmware_size >> 8) & 0xff;
 784        firmware_info[1] = (state->firmware_size >> 0) & 0xff;
 785        firmware_info[2] = (state->firmware_checksum >> 8) & 0xff;
 786        firmware_info[3] = (state->firmware_checksum >> 0) & 0xff;
 787
 788        /* Check whether firmware is already running */
 789        ret = af9015_read_reg_i2c(d, state->af9013_i2c_addr[1], 0x98be, &val);
 790        if (ret)
 791                goto err;
 792
 793        dev_dbg(&intf->dev, "firmware status %02x\n", val);
 794
 795        if (val == 0x0c)
 796                return 0;
 797
 798        /* Set i2c clock to 625kHz to speed up firmware copy */
 799        ret = regmap_write(state->regmap, 0xd416, 0x04);
 800        if (ret)
 801                goto err;
 802
 803        /* Copy firmware from master demod to slave demod */
 804        ret = af9015_ctrl_msg(d, &req);
 805        if (ret) {
 806                dev_err(&intf->dev, "firmware copy cmd failed %d\n", ret);
 807                goto err;
 808        }
 809
 810        /* Set i2c clock to 125kHz */
 811        ret = regmap_write(state->regmap, 0xd416, 0x14);
 812        if (ret)
 813                goto err;
 814
 815        /* Boot firmware */
 816        ret = af9015_write_reg_i2c(d, state->af9013_i2c_addr[1], 0xe205, 0x01);
 817        if (ret)
 818                goto err;
 819
 820        /* Poll firmware ready */
 821        for (val = 0x00, timeout = jiffies + msecs_to_jiffies(1000);
 822             !time_after(jiffies, timeout) && val != 0x0c && val != 0x04;) {
 823                msleep(20);
 824
 825                /* Check firmware status. 0c=OK, 04=fail */
 826                ret = af9015_read_reg_i2c(d, state->af9013_i2c_addr[1],
 827                                          0x98be, &val);
 828                if (ret)
 829                        goto err;
 830
 831                dev_dbg(&intf->dev, "firmware status %02x\n", val);
 832        }
 833
 834        dev_dbg(&intf->dev, "firmware boot took %u ms\n",
 835                jiffies_to_msecs(jiffies) - (jiffies_to_msecs(timeout) - 1000));
 836
 837        if (val == 0x04) {
 838                ret = -ENODEV;
 839                dev_err(&intf->dev, "firmware did not run\n");
 840                goto err;
 841        } else if (val != 0x0c) {
 842                ret = -ETIMEDOUT;
 843                dev_err(&intf->dev, "firmware boot timeout\n");
 844                goto err;
 845        }
 846
 847        return 0;
 848err:
 849        dev_dbg(&intf->dev, "failed %d\n", ret);
 850        return ret;
 851}
 852
 853static int af9015_af9013_frontend_attach(struct dvb_usb_adapter *adap)
 854{
 855        struct af9015_state *state = adap_to_priv(adap);
 856        struct dvb_usb_device *d = adap_to_d(adap);
 857        struct usb_interface *intf = d->intf;
 858        struct i2c_client *client;
 859        int ret;
 860
 861        dev_dbg(&intf->dev, "adap id %u\n", adap->id);
 862
 863        if (adap->id == 0) {
 864                state->af9013_pdata[0].ts_mode = AF9013_TS_MODE_USB;
 865                memcpy(state->af9013_pdata[0].api_version, "\x0\x1\x9\x0", 4);
 866                state->af9013_pdata[0].gpio[0] = AF9013_GPIO_HI;
 867                state->af9013_pdata[0].gpio[3] = AF9013_GPIO_TUNER_ON;
 868        } else if (adap->id == 1) {
 869                state->af9013_pdata[1].ts_mode = AF9013_TS_MODE_SERIAL;
 870                state->af9013_pdata[1].ts_output_pin = 7;
 871                memcpy(state->af9013_pdata[1].api_version, "\x0\x1\x9\x0", 4);
 872                state->af9013_pdata[1].gpio[0] = AF9013_GPIO_TUNER_ON;
 873                state->af9013_pdata[1].gpio[1] = AF9013_GPIO_LO;
 874
 875                /* copy firmware to 2nd demodulator */
 876                if (state->dual_mode) {
 877                        /* Wait 2nd demodulator ready */
 878                        msleep(100);
 879
 880                        ret = af9015_copy_firmware(adap_to_d(adap));
 881                        if (ret) {
 882                                dev_err(&intf->dev,
 883                                        "firmware copy to 2nd frontend failed, will disable it\n");
 884                                state->dual_mode = 0;
 885                                goto err;
 886                        }
 887                } else {
 888                        ret = -ENODEV;
 889                        goto err;
 890                }
 891        }
 892
 893        /* Add I2C demod */
 894        client = dvb_module_probe("af9013", NULL, &d->i2c_adap,
 895                                  state->af9013_i2c_addr[adap->id],
 896                                  &state->af9013_pdata[adap->id]);
 897        if (!client) {
 898                ret = -ENODEV;
 899                goto err;
 900        }
 901        adap->fe[0] = state->af9013_pdata[adap->id].get_dvb_frontend(client);
 902        state->demod_i2c_client[adap->id] = client;
 903
 904        /*
 905         * AF9015 firmware does not like if it gets interrupted by I2C adapter
 906         * request on some critical phases. During normal operation I2C adapter
 907         * is used only 2nd demodulator and tuner on dual tuner devices.
 908         * Override demodulator callbacks and use mutex for limit access to
 909         * those "critical" paths to keep AF9015 happy.
 910         */
 911        if (adap->fe[0]) {
 912                state->set_frontend[adap->id] = adap->fe[0]->ops.set_frontend;
 913                adap->fe[0]->ops.set_frontend = af9015_af9013_set_frontend;
 914                state->read_status[adap->id] = adap->fe[0]->ops.read_status;
 915                adap->fe[0]->ops.read_status = af9015_af9013_read_status;
 916                state->init[adap->id] = adap->fe[0]->ops.init;
 917                adap->fe[0]->ops.init = af9015_af9013_init;
 918                state->sleep[adap->id] = adap->fe[0]->ops.sleep;
 919                adap->fe[0]->ops.sleep = af9015_af9013_sleep;
 920        }
 921
 922        return 0;
 923err:
 924        dev_dbg(&intf->dev, "failed %d\n", ret);
 925        return ret;
 926}
 927
 928static int af9015_frontend_detach(struct dvb_usb_adapter *adap)
 929{
 930        struct af9015_state *state = adap_to_priv(adap);
 931        struct dvb_usb_device *d = adap_to_d(adap);
 932        struct usb_interface *intf = d->intf;
 933        struct i2c_client *client;
 934
 935        dev_dbg(&intf->dev, "adap id %u\n", adap->id);
 936
 937        /* Remove I2C demod */
 938        client = state->demod_i2c_client[adap->id];
 939        dvb_module_release(client);
 940
 941        return 0;
 942}
 943
 944static struct mt2060_config af9015_mt2060_config = {
 945        .i2c_address = 0x60,
 946        .clock_out = 0,
 947};
 948
 949static struct qt1010_config af9015_qt1010_config = {
 950        .i2c_address = 0x62,
 951};
 952
 953static struct tda18271_config af9015_tda18271_config = {
 954        .gate = TDA18271_GATE_DIGITAL,
 955        .small_i2c = TDA18271_16_BYTE_CHUNK_INIT,
 956};
 957
 958static struct mxl5005s_config af9015_mxl5003_config = {
 959        .i2c_address     = 0x63,
 960        .if_freq         = IF_FREQ_4570000HZ,
 961        .xtal_freq       = CRYSTAL_FREQ_16000000HZ,
 962        .agc_mode        = MXL_SINGLE_AGC,
 963        .tracking_filter = MXL_TF_DEFAULT,
 964        .rssi_enable     = MXL_RSSI_ENABLE,
 965        .cap_select      = MXL_CAP_SEL_ENABLE,
 966        .div_out         = MXL_DIV_OUT_4,
 967        .clock_out       = MXL_CLOCK_OUT_DISABLE,
 968        .output_load     = MXL5005S_IF_OUTPUT_LOAD_200_OHM,
 969        .top             = MXL5005S_TOP_25P2,
 970        .mod_mode        = MXL_DIGITAL_MODE,
 971        .if_mode         = MXL_ZERO_IF,
 972        .AgcMasterByte   = 0x00,
 973};
 974
 975static struct mxl5005s_config af9015_mxl5005_config = {
 976        .i2c_address     = 0x63,
 977        .if_freq         = IF_FREQ_4570000HZ,
 978        .xtal_freq       = CRYSTAL_FREQ_16000000HZ,
 979        .agc_mode        = MXL_SINGLE_AGC,
 980        .tracking_filter = MXL_TF_OFF,
 981        .rssi_enable     = MXL_RSSI_ENABLE,
 982        .cap_select      = MXL_CAP_SEL_ENABLE,
 983        .div_out         = MXL_DIV_OUT_4,
 984        .clock_out       = MXL_CLOCK_OUT_DISABLE,
 985        .output_load     = MXL5005S_IF_OUTPUT_LOAD_200_OHM,
 986        .top             = MXL5005S_TOP_25P2,
 987        .mod_mode        = MXL_DIGITAL_MODE,
 988        .if_mode         = MXL_ZERO_IF,
 989        .AgcMasterByte   = 0x00,
 990};
 991
 992static struct mc44s803_config af9015_mc44s803_config = {
 993        .i2c_address = 0x60,
 994        .dig_out = 1,
 995};
 996
 997static struct tda18218_config af9015_tda18218_config = {
 998        .i2c_address = 0x60,
 999        .i2c_wr_max = 21, /* max wr bytes AF9015 I2C adap can handle at once */
1000};
1001
1002static struct mxl5007t_config af9015_mxl5007t_config = {
1003        .xtal_freq_hz = MxL_XTAL_24_MHZ,
1004        .if_freq_hz = MxL_IF_4_57_MHZ,
1005};
1006
1007static int af9015_tuner_attach(struct dvb_usb_adapter *adap)
1008{
1009        struct dvb_usb_device *d = adap_to_d(adap);
1010        struct af9015_state *state = d_to_priv(d);
1011        struct usb_interface *intf = d->intf;
1012        struct i2c_client *client;
1013        struct i2c_adapter *adapter;
1014        int ret;
1015
1016        dev_dbg(&intf->dev, "adap id %u\n", adap->id);
1017
1018        client = state->demod_i2c_client[adap->id];
1019        adapter = state->af9013_pdata[adap->id].get_i2c_adapter(client);
1020
1021        switch (state->af9013_pdata[adap->id].tuner) {
1022        case AF9013_TUNER_MT2060:
1023        case AF9013_TUNER_MT2060_2:
1024                ret = dvb_attach(mt2060_attach, adap->fe[0], adapter,
1025                                 &af9015_mt2060_config,
1026                                 state->mt2060_if1[adap->id]) == NULL ? -ENODEV : 0;
1027                break;
1028        case AF9013_TUNER_QT1010:
1029        case AF9013_TUNER_QT1010A:
1030                ret = dvb_attach(qt1010_attach, adap->fe[0], adapter,
1031                                 &af9015_qt1010_config) == NULL ? -ENODEV : 0;
1032                break;
1033        case AF9013_TUNER_TDA18271:
1034                ret = dvb_attach(tda18271_attach, adap->fe[0], 0x60, adapter,
1035                                 &af9015_tda18271_config) == NULL ? -ENODEV : 0;
1036                break;
1037        case AF9013_TUNER_TDA18218:
1038                ret = dvb_attach(tda18218_attach, adap->fe[0], adapter,
1039                                 &af9015_tda18218_config) == NULL ? -ENODEV : 0;
1040                break;
1041        case AF9013_TUNER_MXL5003D:
1042                ret = dvb_attach(mxl5005s_attach, adap->fe[0], adapter,
1043                                 &af9015_mxl5003_config) == NULL ? -ENODEV : 0;
1044                break;
1045        case AF9013_TUNER_MXL5005D:
1046        case AF9013_TUNER_MXL5005R:
1047                ret = dvb_attach(mxl5005s_attach, adap->fe[0], adapter,
1048                                 &af9015_mxl5005_config) == NULL ? -ENODEV : 0;
1049                break;
1050        case AF9013_TUNER_ENV77H11D5:
1051                ret = dvb_attach(dvb_pll_attach, adap->fe[0], 0x60, adapter,
1052                                 DVB_PLL_TDA665X) == NULL ? -ENODEV : 0;
1053                break;
1054        case AF9013_TUNER_MC44S803:
1055                ret = dvb_attach(mc44s803_attach, adap->fe[0], adapter,
1056                                 &af9015_mc44s803_config) == NULL ? -ENODEV : 0;
1057                break;
1058        case AF9013_TUNER_MXL5007T:
1059                ret = dvb_attach(mxl5007t_attach, adap->fe[0], adapter,
1060                                 0x60, &af9015_mxl5007t_config) == NULL ? -ENODEV : 0;
1061                break;
1062        case AF9013_TUNER_UNKNOWN:
1063        default:
1064                dev_err(&intf->dev, "unknown tuner, tuner id %02x\n",
1065                        state->af9013_pdata[adap->id].tuner);
1066                ret = -ENODEV;
1067        }
1068
1069        if (adap->fe[0]->ops.tuner_ops.init) {
1070                state->tuner_init[adap->id] =
1071                        adap->fe[0]->ops.tuner_ops.init;
1072                adap->fe[0]->ops.tuner_ops.init = af9015_tuner_init;
1073        }
1074
1075        if (adap->fe[0]->ops.tuner_ops.sleep) {
1076                state->tuner_sleep[adap->id] =
1077                        adap->fe[0]->ops.tuner_ops.sleep;
1078                adap->fe[0]->ops.tuner_ops.sleep = af9015_tuner_sleep;
1079        }
1080
1081        return ret;
1082}
1083
1084static int af9015_pid_filter_ctrl(struct dvb_usb_adapter *adap, int onoff)
1085{
1086        struct af9015_state *state = adap_to_priv(adap);
1087        struct af9013_platform_data *pdata = &state->af9013_pdata[adap->id];
1088        int ret;
1089
1090        mutex_lock(&state->fe_mutex);
1091        ret = pdata->pid_filter_ctrl(adap->fe[0], onoff);
1092        mutex_unlock(&state->fe_mutex);
1093
1094        return ret;
1095}
1096
1097static int af9015_pid_filter(struct dvb_usb_adapter *adap, int index,
1098                             u16 pid, int onoff)
1099{
1100        struct af9015_state *state = adap_to_priv(adap);
1101        struct af9013_platform_data *pdata = &state->af9013_pdata[adap->id];
1102        int ret;
1103
1104        mutex_lock(&state->fe_mutex);
1105        ret = pdata->pid_filter(adap->fe[0], index, pid, onoff);
1106        mutex_unlock(&state->fe_mutex);
1107
1108        return ret;
1109}
1110
1111static int af9015_init(struct dvb_usb_device *d)
1112{
1113        struct af9015_state *state = d_to_priv(d);
1114        struct usb_interface *intf = d->intf;
1115        int ret;
1116
1117        dev_dbg(&intf->dev, "\n");
1118
1119        mutex_init(&state->fe_mutex);
1120
1121        /* init RC canary */
1122        ret = regmap_write(state->regmap, 0x98e9, 0xff);
1123        if (ret)
1124                goto error;
1125
1126error:
1127        return ret;
1128}
1129
1130#if IS_ENABLED(CONFIG_RC_CORE)
1131struct af9015_rc_setup {
1132        unsigned int id;
1133        char *rc_codes;
1134};
1135
1136static char *af9015_rc_setup_match(unsigned int id,
1137                                   const struct af9015_rc_setup *table)
1138{
1139        for (; table->rc_codes; table++)
1140                if (table->id == id)
1141                        return table->rc_codes;
1142        return NULL;
1143}
1144
1145static const struct af9015_rc_setup af9015_rc_setup_modparam[] = {
1146        { AF9015_REMOTE_A_LINK_DTU_M, RC_MAP_ALINK_DTU_M },
1147        { AF9015_REMOTE_MSI_DIGIVOX_MINI_II_V3, RC_MAP_MSI_DIGIVOX_II },
1148        { AF9015_REMOTE_MYGICTV_U718, RC_MAP_TOTAL_MEDIA_IN_HAND },
1149        { AF9015_REMOTE_DIGITTRADE_DVB_T, RC_MAP_DIGITTRADE },
1150        { AF9015_REMOTE_AVERMEDIA_KS, RC_MAP_AVERMEDIA_RM_KS },
1151        { }
1152};
1153
1154static const struct af9015_rc_setup af9015_rc_setup_hashes[] = {
1155        { 0xb8feb708, RC_MAP_MSI_DIGIVOX_II },
1156        { 0xa3703d00, RC_MAP_ALINK_DTU_M },
1157        { 0x9b7dc64e, RC_MAP_TOTAL_MEDIA_IN_HAND }, /* MYGICTV U718 */
1158        { 0x5d49e3db, RC_MAP_DIGITTRADE }, /* LC-Power LC-USB-DVBT */
1159        { }
1160};
1161
1162static int af9015_rc_query(struct dvb_usb_device *d)
1163{
1164        struct af9015_state *state = d_to_priv(d);
1165        struct usb_interface *intf = d->intf;
1166        int ret;
1167        u8 buf[17];
1168
1169        /* read registers needed to detect remote controller code */
1170        ret = regmap_bulk_read(state->regmap, 0x98d9, buf, sizeof(buf));
1171        if (ret)
1172                goto error;
1173
1174        /* If any of these are non-zero, assume invalid data */
1175        if (buf[1] || buf[2] || buf[3]) {
1176                dev_dbg(&intf->dev, "invalid data\n");
1177                return ret;
1178        }
1179
1180        /* Check for repeat of previous code */
1181        if ((state->rc_repeat != buf[6] || buf[0]) &&
1182            !memcmp(&buf[12], state->rc_last, 4)) {
1183                dev_dbg(&intf->dev, "key repeated\n");
1184                rc_repeat(d->rc_dev);
1185                state->rc_repeat = buf[6];
1186                return ret;
1187        }
1188
1189        /* Only process key if canary killed */
1190        if (buf[16] != 0xff && buf[0] != 0x01) {
1191                enum rc_proto proto;
1192
1193                dev_dbg(&intf->dev, "key pressed %*ph\n", 4, buf + 12);
1194
1195                /* Reset the canary */
1196                ret = regmap_write(state->regmap, 0x98e9, 0xff);
1197                if (ret)
1198                        goto error;
1199
1200                /* Remember this key */
1201                memcpy(state->rc_last, &buf[12], 4);
1202                if (buf[14] == (u8)~buf[15]) {
1203                        if (buf[12] == (u8)~buf[13]) {
1204                                /* NEC */
1205                                state->rc_keycode = RC_SCANCODE_NEC(buf[12],
1206                                                                    buf[14]);
1207                                proto = RC_PROTO_NEC;
1208                        } else {
1209                                /* NEC extended*/
1210                                state->rc_keycode = RC_SCANCODE_NECX(buf[12] << 8 |
1211                                                                     buf[13],
1212                                                                     buf[14]);
1213                                proto = RC_PROTO_NECX;
1214                        }
1215                } else {
1216                        /* 32 bit NEC */
1217                        state->rc_keycode = RC_SCANCODE_NEC32(buf[12] << 24 |
1218                                                              buf[13] << 16 |
1219                                                              buf[14] << 8  |
1220                                                              buf[15]);
1221                        proto = RC_PROTO_NEC32;
1222                }
1223                rc_keydown(d->rc_dev, proto, state->rc_keycode, 0);
1224        } else {
1225                dev_dbg(&intf->dev, "no key press\n");
1226                /* Invalidate last keypress */
1227                /* Not really needed, but helps with debug */
1228                state->rc_last[2] = state->rc_last[3];
1229        }
1230
1231        state->rc_repeat = buf[6];
1232        state->rc_failed = false;
1233
1234error:
1235        if (ret) {
1236                dev_warn(&intf->dev, "rc query failed %d\n", ret);
1237
1238                /* allow random errors as dvb-usb will stop polling on error */
1239                if (!state->rc_failed)
1240                        ret = 0;
1241
1242                state->rc_failed = true;
1243        }
1244
1245        return ret;
1246}
1247
1248static int af9015_get_rc_config(struct dvb_usb_device *d, struct dvb_usb_rc *rc)
1249{
1250        struct af9015_state *state = d_to_priv(d);
1251        u16 vid = le16_to_cpu(d->udev->descriptor.idVendor);
1252
1253        if (state->ir_mode == AF9015_IR_MODE_DISABLED)
1254                return 0;
1255
1256        /* try to load remote based module param */
1257        if (!rc->map_name)
1258                rc->map_name = af9015_rc_setup_match(dvb_usb_af9015_remote,
1259                                                     af9015_rc_setup_modparam);
1260
1261        /* try to load remote based eeprom hash */
1262        if (!rc->map_name)
1263                rc->map_name = af9015_rc_setup_match(state->eeprom_sum,
1264                                                     af9015_rc_setup_hashes);
1265
1266        /* try to load remote based USB iManufacturer string */
1267        if (!rc->map_name && vid == USB_VID_AFATECH) {
1268                /*
1269                 * Check USB manufacturer and product strings and try
1270                 * to determine correct remote in case of chip vendor
1271                 * reference IDs are used.
1272                 * DO NOT ADD ANYTHING NEW HERE. Use hashes instead.
1273                 */
1274                char manufacturer[10];
1275
1276                memset(manufacturer, 0, sizeof(manufacturer));
1277                usb_string(d->udev, d->udev->descriptor.iManufacturer,
1278                           manufacturer, sizeof(manufacturer));
1279                if (!strcmp("MSI", manufacturer)) {
1280                        /*
1281                         * iManufacturer 1 MSI
1282                         * iProduct      2 MSI K-VOX
1283                         */
1284                        rc->map_name = af9015_rc_setup_match(AF9015_REMOTE_MSI_DIGIVOX_MINI_II_V3,
1285                                                             af9015_rc_setup_modparam);
1286                }
1287        }
1288
1289        /* load empty to enable rc */
1290        if (!rc->map_name)
1291                rc->map_name = RC_MAP_EMPTY;
1292
1293        rc->allowed_protos = RC_PROTO_BIT_NEC | RC_PROTO_BIT_NECX |
1294                                                RC_PROTO_BIT_NEC32;
1295        rc->query = af9015_rc_query;
1296        rc->interval = 500;
1297
1298        return 0;
1299}
1300#else
1301        #define af9015_get_rc_config NULL
1302#endif
1303
1304static int af9015_regmap_write(void *context, const void *data, size_t count)
1305{
1306        struct dvb_usb_device *d = context;
1307        struct usb_interface *intf = d->intf;
1308        int ret;
1309        u16 reg = ((u8 *)data)[0] << 8 | ((u8 *)data)[1] << 0;
1310        u8 *val = &((u8 *)data)[2];
1311        const unsigned int len = count - 2;
1312        struct req_t req = {WRITE_MEMORY, 0, reg, 0, 0, len, val};
1313
1314        ret = af9015_ctrl_msg(d, &req);
1315        if (ret)
1316                goto err;
1317
1318        return 0;
1319err:
1320        dev_dbg(&intf->dev, "failed %d\n", ret);
1321        return ret;
1322}
1323
1324static int af9015_regmap_read(void *context, const void *reg_buf,
1325                              size_t reg_size, void *val_buf, size_t val_size)
1326{
1327        struct dvb_usb_device *d = context;
1328        struct usb_interface *intf = d->intf;
1329        int ret;
1330        u16 reg = ((u8 *)reg_buf)[0] << 8 | ((u8 *)reg_buf)[1] << 0;
1331        u8 *val = &((u8 *)val_buf)[0];
1332        const unsigned int len = val_size;
1333        struct req_t req = {READ_MEMORY, 0, reg, 0, 0, len, val};
1334
1335        ret = af9015_ctrl_msg(d, &req);
1336        if (ret)
1337                goto err;
1338
1339        return 0;
1340err:
1341        dev_dbg(&intf->dev, "failed %d\n", ret);
1342        return ret;
1343}
1344
1345static int af9015_probe(struct dvb_usb_device *d)
1346{
1347        struct af9015_state *state = d_to_priv(d);
1348        struct usb_interface *intf = d->intf;
1349        struct usb_device *udev = interface_to_usbdev(intf);
1350        int ret;
1351        char manufacturer[sizeof("ITE Technologies, Inc.")];
1352        static const struct regmap_config regmap_config = {
1353                .reg_bits    =  16,
1354                .val_bits    =  8,
1355        };
1356        static const struct regmap_bus regmap_bus = {
1357                .read = af9015_regmap_read,
1358                .write = af9015_regmap_write,
1359        };
1360
1361        dev_dbg(&intf->dev, "\n");
1362
1363        memset(manufacturer, 0, sizeof(manufacturer));
1364        usb_string(udev, udev->descriptor.iManufacturer,
1365                   manufacturer, sizeof(manufacturer));
1366        /*
1367         * There is two devices having same ID but different chipset. One uses
1368         * AF9015 and the other IT9135 chipset. Only difference seen on lsusb
1369         * is iManufacturer string.
1370         *
1371         * idVendor           0x0ccd TerraTec Electronic GmbH
1372         * idProduct          0x0099
1373         * bcdDevice            2.00
1374         * iManufacturer           1 Afatech
1375         * iProduct                2 DVB-T 2
1376         *
1377         * idVendor           0x0ccd TerraTec Electronic GmbH
1378         * idProduct          0x0099
1379         * bcdDevice            2.00
1380         * iManufacturer           1 ITE Technologies, Inc.
1381         * iProduct                2 DVB-T TV Stick
1382         */
1383        if ((le16_to_cpu(udev->descriptor.idVendor) == USB_VID_TERRATEC) &&
1384            (le16_to_cpu(udev->descriptor.idProduct) == 0x0099)) {
1385                if (!strcmp("ITE Technologies, Inc.", manufacturer)) {
1386                        ret = -ENODEV;
1387                        dev_dbg(&intf->dev, "rejecting device\n");
1388                        goto err;
1389                }
1390        }
1391
1392        state->regmap = regmap_init(&intf->dev, &regmap_bus, d, &regmap_config);
1393        if (IS_ERR(state->regmap)) {
1394                ret = PTR_ERR(state->regmap);
1395                goto err;
1396        }
1397
1398        return 0;
1399err:
1400        dev_dbg(&intf->dev, "failed %d\n", ret);
1401        return ret;
1402}
1403
1404static void af9015_disconnect(struct dvb_usb_device *d)
1405{
1406        struct af9015_state *state = d_to_priv(d);
1407        struct usb_interface *intf = d->intf;
1408
1409        dev_dbg(&intf->dev, "\n");
1410
1411        regmap_exit(state->regmap);
1412}
1413
1414/*
1415 * Interface 0 is used by DVB-T receiver and
1416 * interface 1 is for remote controller (HID)
1417 */
1418static const struct dvb_usb_device_properties af9015_props = {
1419        .driver_name = KBUILD_MODNAME,
1420        .owner = THIS_MODULE,
1421        .adapter_nr = adapter_nr,
1422        .size_of_priv = sizeof(struct af9015_state),
1423
1424        .generic_bulk_ctrl_endpoint = 0x02,
1425        .generic_bulk_ctrl_endpoint_response = 0x81,
1426
1427        .probe = af9015_probe,
1428        .disconnect = af9015_disconnect,
1429        .identify_state = af9015_identify_state,
1430        .firmware = AF9015_FIRMWARE,
1431        .download_firmware = af9015_download_firmware,
1432
1433        .i2c_algo = &af9015_i2c_algo,
1434        .read_config = af9015_read_config,
1435        .frontend_attach = af9015_af9013_frontend_attach,
1436        .frontend_detach = af9015_frontend_detach,
1437        .tuner_attach = af9015_tuner_attach,
1438        .init = af9015_init,
1439        .get_rc_config = af9015_get_rc_config,
1440        .get_stream_config = af9015_get_stream_config,
1441        .streaming_ctrl = af9015_streaming_ctrl,
1442
1443        .get_adapter_count = af9015_get_adapter_count,
1444        .adapter = {
1445                {
1446                        .caps = DVB_USB_ADAP_HAS_PID_FILTER |
1447                                DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
1448                        .pid_filter_count = 32,
1449                        .pid_filter = af9015_pid_filter,
1450                        .pid_filter_ctrl = af9015_pid_filter_ctrl,
1451
1452                        .stream = DVB_USB_STREAM_BULK(0x84, 6, 87 * 188),
1453                }, {
1454                        .caps = DVB_USB_ADAP_HAS_PID_FILTER |
1455                                DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
1456                        .pid_filter_count = 32,
1457                        .pid_filter = af9015_pid_filter,
1458                        .pid_filter_ctrl = af9015_pid_filter_ctrl,
1459
1460                        .stream = DVB_USB_STREAM_BULK(0x85, 6, 87 * 188),
1461                },
1462        },
1463};
1464
1465static const struct usb_device_id af9015_id_table[] = {
1466        { DVB_USB_DEVICE(USB_VID_AFATECH, USB_PID_AFATECH_AF9015_9015,
1467                &af9015_props, "Afatech AF9015 reference design", NULL) },
1468        { DVB_USB_DEVICE(USB_VID_AFATECH, USB_PID_AFATECH_AF9015_9016,
1469                &af9015_props, "Afatech AF9015 reference design", NULL) },
1470        { DVB_USB_DEVICE(USB_VID_LEADTEK, USB_PID_WINFAST_DTV_DONGLE_GOLD,
1471                &af9015_props, "Leadtek WinFast DTV Dongle Gold", RC_MAP_LEADTEK_Y04G0051) },
1472        { DVB_USB_DEVICE(USB_VID_PINNACLE, USB_PID_PINNACLE_PCTV71E,
1473                &af9015_props, "Pinnacle PCTV 71e", NULL) },
1474        { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_KWORLD_399U,
1475                &af9015_props, "KWorld PlusTV Dual DVB-T Stick (DVB-T 399U)", NULL) },
1476        { DVB_USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_TINYTWIN,
1477                &af9015_props, "DigitalNow TinyTwin", RC_MAP_AZUREWAVE_AD_TU700) },
1478        { DVB_USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_AZUREWAVE_AD_TU700,
1479                &af9015_props, "TwinHan AzureWave AD-TU700(704J)", RC_MAP_AZUREWAVE_AD_TU700) },
1480        { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_CINERGY_T_USB_XE_REV2,
1481                &af9015_props, "TerraTec Cinergy T USB XE", NULL) },
1482        { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_KWORLD_PC160_2T,
1483                &af9015_props, "KWorld PlusTV Dual DVB-T PCI (DVB-T PC160-2T)", NULL) },
1484        { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_VOLAR_X,
1485                &af9015_props, "AVerMedia AVerTV DVB-T Volar X", RC_MAP_AVERMEDIA_M135A) },
1486        { DVB_USB_DEVICE(USB_VID_XTENSIONS, USB_PID_XTENSIONS_XD_380,
1487                &af9015_props, "Xtensions XD-380", NULL) },
1488        { DVB_USB_DEVICE(USB_VID_MSI_2, USB_PID_MSI_DIGIVOX_DUO,
1489                &af9015_props, "MSI DIGIVOX Duo", RC_MAP_MSI_DIGIVOX_III) },
1490        { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_VOLAR_X_2,
1491                &af9015_props, "Fujitsu-Siemens Slim Mobile USB DVB-T", NULL) },
1492        { DVB_USB_DEVICE(USB_VID_TELESTAR,  USB_PID_TELESTAR_STARSTICK_2,
1493                &af9015_props, "Telestar Starstick 2", NULL) },
1494        { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_A309,
1495                &af9015_props, "AVerMedia A309", NULL) },
1496        { DVB_USB_DEVICE(USB_VID_MSI_2, USB_PID_MSI_DIGI_VOX_MINI_III,
1497                &af9015_props, "MSI Digi VOX mini III", RC_MAP_MSI_DIGIVOX_III) },
1498        { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_KWORLD_395U,
1499                &af9015_props, "KWorld USB DVB-T TV Stick II (VS-DVB-T 395U)", NULL) },
1500        { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_KWORLD_395U_2,
1501                &af9015_props, "KWorld USB DVB-T TV Stick II (VS-DVB-T 395U)", NULL) },
1502        { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_KWORLD_395U_3,
1503                &af9015_props, "KWorld USB DVB-T TV Stick II (VS-DVB-T 395U)", NULL) },
1504        { DVB_USB_DEVICE(USB_VID_AFATECH, USB_PID_TREKSTOR_DVBT,
1505                &af9015_props, "TrekStor DVB-T USB Stick", RC_MAP_TREKSTOR) },
1506        { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_A850,
1507                &af9015_props, "AverMedia AVerTV Volar Black HD (A850)", NULL) },
1508        { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_A805,
1509                &af9015_props, "AverMedia AVerTV Volar GPS 805 (A805)", NULL) },
1510        { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_CONCEPTRONIC_CTVDIGRCU,
1511                &af9015_props, "Conceptronic USB2.0 DVB-T CTVDIGRCU V3.0", NULL) },
1512        { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_KWORLD_MC810,
1513                &af9015_props, "KWorld Digital MC-810", NULL) },
1514        { DVB_USB_DEVICE(USB_VID_KYE, USB_PID_GENIUS_TVGO_DVB_T03,
1515                &af9015_props, "Genius TVGo DVB-T03", NULL) },
1516        { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_KWORLD_399U_2,
1517                &af9015_props, "KWorld PlusTV Dual DVB-T Stick (DVB-T 399U)", NULL) },
1518        { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_KWORLD_PC160_T,
1519                &af9015_props, "KWorld PlusTV DVB-T PCI Pro Card (DVB-T PC160-T)", NULL) },
1520        { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_SVEON_STV20,
1521                &af9015_props, "Sveon STV20 Tuner USB DVB-T HDTV", NULL) },
1522        { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_TINYTWIN_2,
1523                &af9015_props, "DigitalNow TinyTwin v2", RC_MAP_DIGITALNOW_TINYTWIN) },
1524        { DVB_USB_DEVICE(USB_VID_LEADTEK, USB_PID_WINFAST_DTV2000DS,
1525                &af9015_props, "Leadtek WinFast DTV2000DS", RC_MAP_LEADTEK_Y04G0051) },
1526        { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_KWORLD_UB383_T,
1527                &af9015_props, "KWorld USB DVB-T Stick Mobile (UB383-T)", NULL) },
1528        { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_KWORLD_395U_4,
1529                &af9015_props, "KWorld USB DVB-T TV Stick II (VS-DVB-T 395U)", NULL) },
1530        { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_A815M,
1531                &af9015_props, "AverMedia AVerTV Volar M (A815Mac)", NULL) },
1532        { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_CINERGY_T_STICK_RC,
1533                &af9015_props, "TerraTec Cinergy T Stick RC", RC_MAP_TERRATEC_SLIM_2) },
1534        /* XXX: that same ID [0ccd:0099] is used by af9035 driver too */
1535        { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_CINERGY_T_STICK_DUAL_RC,
1536                &af9015_props, "TerraTec Cinergy T Stick Dual RC", RC_MAP_TERRATEC_SLIM) },
1537        { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_A850T,
1538                &af9015_props, "AverMedia AVerTV Red HD+ (A850T)", NULL) },
1539        { DVB_USB_DEVICE(USB_VID_GTEK, USB_PID_TINYTWIN_3,
1540                &af9015_props, "DigitalNow TinyTwin v3", RC_MAP_DIGITALNOW_TINYTWIN) },
1541        { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_SVEON_STV22,
1542                &af9015_props, "Sveon STV22 Dual USB DVB-T Tuner HDTV", RC_MAP_MSI_DIGIVOX_III) },
1543        { }
1544};
1545MODULE_DEVICE_TABLE(usb, af9015_id_table);
1546
1547/* usb specific object needed to register this driver with the usb subsystem */
1548static struct usb_driver af9015_usb_driver = {
1549        .name = KBUILD_MODNAME,
1550        .id_table = af9015_id_table,
1551        .probe = dvb_usbv2_probe,
1552        .disconnect = dvb_usbv2_disconnect,
1553        .suspend = dvb_usbv2_suspend,
1554        .resume = dvb_usbv2_resume,
1555        .reset_resume = dvb_usbv2_reset_resume,
1556        .no_dynamic_id = 1,
1557        .soft_unbind = 1,
1558};
1559
1560module_usb_driver(af9015_usb_driver);
1561
1562MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
1563MODULE_DESCRIPTION("Afatech AF9015 driver");
1564MODULE_LICENSE("GPL");
1565MODULE_FIRMWARE(AF9015_FIRMWARE);
1566