kernel/drivers/media/usb/dvb-usb-v2/af9035.c

   1 /*
   2  * Afatech AF9035 DVB USB driver
   3  *
   4  * Copyright (C) 2009 Antti Palosaari <crope@iki.fi>
   5  * Copyright (C) 2012 Antti Palosaari <crope@iki.fi>
   6  *
   7  *    This program is free software; you can redistribute it and/or modify
   8  *    it under the terms of the GNU General Public License as published by
   9  *    the Free Software Foundation; either version 2 of the License, or
  10  *    (at your option) any later version.
  11  *
  12  *    This program is distributed in the hope that it will be useful,
  13  *    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  *    GNU General Public License for more details.
  16  *
  17  *    You should have received a copy of the GNU General Public License along
  18  *    with this program; if not, write to the Free Software Foundation, Inc.,
  19  *    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  20  */
  21
  22 #include "af9035.h"
  23
  24 /* Max transfer size done by I2C transfer functions */
  25 #define MAX_XFER_SIZE  64
  26
  27 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
  28
  29 static u16 af9035_checksum(const u8 *buf, size_t len)
  30 {
  31         size_t i;
  32         u16 checksum = 0;
  33
  34         for (i = 1; i < len; i++) {
  35                 if (i % 2)
  36                         checksum += buf[i] << 8;
  37                 else
  38                         checksum += buf[i];
  39         }
  40         checksum = ~checksum;
  41
  42         return checksum;
  43 }
  44
  45 static int af9035_ctrl_msg(struct dvb_usb_device *d, struct usb_req *req)
  46 {
  47 #define REQ_HDR_LEN 4 /* send header size */
  48 #define ACK_HDR_LEN 3 /* rece header size */
  49 #define CHECKSUM_LEN 2
  50 #define USB_TIMEOUT 2000
  51         struct state *state = d_to_priv(d);
  52         int ret, wlen, rlen;
  53         u16 checksum, tmp_checksum;
  54
  55         mutex_lock(&d->usb_mutex);
  56
  57         /* buffer overflow check */
  58         if (req->wlen > (BUF_LEN - REQ_HDR_LEN - CHECKSUM_LEN) ||
  59                         req->rlen > (BUF_LEN - ACK_HDR_LEN - CHECKSUM_LEN)) {
  60                 dev_err(&d->udev->dev, "%s: too much data wlen=%d rlen=%d\n",
  61                                 KBUILD_MODNAME, req->wlen, req->rlen);
  62                 ret = -EINVAL;
  63                 goto exit;
  64         }
  65
  66         state->buf[0] = REQ_HDR_LEN + req->wlen + CHECKSUM_LEN - 1;
  67         state->buf[1] = req->mbox;
  68         state->buf[2] = req->cmd;
  69         state->buf[3] = state->seq++;
  70         memcpy(&state->buf[REQ_HDR_LEN], req->wbuf, req->wlen);
  71
  72         wlen = REQ_HDR_LEN + req->wlen + CHECKSUM_LEN;
  73         rlen = ACK_HDR_LEN + req->rlen + CHECKSUM_LEN;
  74
  75         /* calc and add checksum */
  76         checksum = af9035_checksum(state->buf, state->buf[0] - 1);
  77         state->buf[state->buf[0] - 1] = (checksum >> 8);
  78         state->buf[state->buf[0] - 0] = (checksum & 0xff);
  79
  80         /* no ack for these packets */
  81         if (req->cmd == CMD_FW_DL)
  82                 rlen = 0;
  83
  84         ret = dvb_usbv2_generic_rw_locked(d,
  85                         state->buf, wlen, state->buf, rlen);
  86         if (ret)
  87                 goto exit;
  88
  89         /* no ack for those packets */
  90         if (req->cmd == CMD_FW_DL)
  91                 goto exit;
  92
  93         /* verify checksum */
  94         checksum = af9035_checksum(state->buf, rlen - 2);
  95         tmp_checksum = (state->buf[rlen - 2] << 8) | state->buf[rlen - 1];
  96         if (tmp_checksum != checksum) {
  97                 dev_err(&d->udev->dev,
  98                                 "%s: command=%02x checksum mismatch (%04x != %04x)\n",
  99                                 KBUILD_MODNAME, req->cmd, tmp_checksum,
 100                                 checksum);
 101                 ret = -EIO;
 102                 goto exit;
 103         }
 104
 105         /* check status */
 106         if (state->buf[2]) {
 107                 /* fw returns status 1 when IR code was not received */
 108                 if (req->cmd == CMD_IR_GET || state->buf[2] == 1) {
 109                         ret = 1;
 110                         goto exit;
 111                 }
 112
 113                 dev_dbg(&d->udev->dev, "%s: command=%02x failed fw error=%d\n",
 114                                 __func__, req->cmd, state->buf[2]);
 115                 ret = -EIO;
 116                 goto exit;
 117         }
 118
 119         /* read request, copy returned data to return buf */
 120         if (req->rlen)
 121                 memcpy(req->rbuf, &state->buf[ACK_HDR_LEN], req->rlen);
 122 exit:
 123         mutex_unlock(&d->usb_mutex);
 124         if (ret < 0)
 125                 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
 126         return ret;
 127 }
 128
 129 /* write multiple registers */
 130 static int af9035_wr_regs(struct dvb_usb_device *d, u32 reg, u8 *val, int len)
 131 {
 132         u8 wbuf[MAX_XFER_SIZE];
 133         u8 mbox = (reg >> 16) & 0xff;
 134         struct usb_req req = { CMD_MEM_WR, mbox, 6 + len, wbuf, 0, NULL };
 135
 136         if (6 + len > sizeof(wbuf)) {
 137                 dev_warn(&d->udev->dev, "%s: i2c wr: len=%d is too big!\n",
 138                          KBUILD_MODNAME, len);
 139                 return -EOPNOTSUPP;
 140         }
 141
 142         wbuf[0] = len;
 143         wbuf[1] = 2;
 144         wbuf[2] = 0;
 145         wbuf[3] = 0;
 146         wbuf[4] = (reg >> 8) & 0xff;
 147         wbuf[5] = (reg >> 0) & 0xff;
 148         memcpy(&wbuf[6], val, len);
 149
 150         return af9035_ctrl_msg(d, &req);
 151 }
 152
 153 /* read multiple registers */
 154 static int af9035_rd_regs(struct dvb_usb_device *d, u32 reg, u8 *val, int len)
 155 {
 156         u8 wbuf[] = { len, 2, 0, 0, (reg >> 8) & 0xff, reg & 0xff };
 157         u8 mbox = (reg >> 16) & 0xff;
 158         struct usb_req req = { CMD_MEM_RD, mbox, sizeof(wbuf), wbuf, len, val };
 159
 160         return af9035_ctrl_msg(d, &req);
 161 }
 162
 163 /* write single register */
 164 static int af9035_wr_reg(struct dvb_usb_device *d, u32 reg, u8 val)
 165 {
 166         return af9035_wr_regs(d, reg, &val, 1);
 167 }
 168
 169 /* read single register */
 170 static int af9035_rd_reg(struct dvb_usb_device *d, u32 reg, u8 *val)
 171 {
 172         return af9035_rd_regs(d, reg, val, 1);
 173 }
 174
 175 /* write single register with mask */
 176 static int af9035_wr_reg_mask(struct dvb_usb_device *d, u32 reg, u8 val,
 177                 u8 mask)
 178 {
 179         int ret;
 180         u8 tmp;
 181
 182         /* no need for read if whole reg is written */
 183         if (mask != 0xff) {
 184                 ret = af9035_rd_regs(d, reg, &tmp, 1);
 185                 if (ret)
 186                         return ret;
 187
 188                 val &= mask;
 189                 tmp &= ~mask;
 190                 val |= tmp;
 191         }
 192
 193         return af9035_wr_regs(d, reg, &val, 1);
 194 }
 195
 196 static int af9035_add_i2c_dev(struct dvb_usb_device *d, const char *type,
 197                 u8 addr, void *platform_data, struct i2c_adapter *adapter)
 198 {
 199         int ret, num;
 200         struct state *state = d_to_priv(d);
 201         struct i2c_client *client;
 202         struct i2c_board_info board_info = {
 203                 .addr = addr,
 204                 .platform_data = platform_data,
 205         };
 206
 207         strlcpy(board_info.type, type, I2C_NAME_SIZE);
 208
 209         /* find first free client */
 210         for (num = 0; num < AF9035_I2C_CLIENT_MAX; num++) {
 211                 if (state->i2c_client[num] == NULL)
 212                         break;
 213         }
 214
 215         dev_dbg(&d->udev->dev, "%s: num=%d\n", __func__, num);
 216
 217         if (num == AF9035_I2C_CLIENT_MAX) {
 218                 dev_err(&d->udev->dev, "%s: I2C client out of index\n",
 219                                 KBUILD_MODNAME);
 220                 ret = -ENODEV;
 221                 goto err;
 222         }
 223
 224         request_module("%s", board_info.type);
 225
 226         /* register I2C device */
 227         client = i2c_new_device(adapter, &board_info);
 228         if (client == NULL || client->dev.driver == NULL) {
 229                 ret = -ENODEV;
 230                 goto err;
 231         }
 232
 233         /* increase I2C driver usage count */
 234         if (!try_module_get(client->dev.driver->owner)) {
 235                 i2c_unregister_device(client);
 236                 ret = -ENODEV;
 237                 goto err;
 238         }
 239
 240         state->i2c_client[num] = client;
 241         return 0;
 242 err:
 243         dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
 244         return ret;
 245 }
 246
 247 static void af9035_del_i2c_dev(struct dvb_usb_device *d)
 248 {
 249         int num;
 250         struct state *state = d_to_priv(d);
 251         struct i2c_client *client;
 252
 253         /* find last used client */
 254         num = AF9035_I2C_CLIENT_MAX;
 255         while (num--) {
 256                 if (state->i2c_client[num] != NULL)
 257                         break;
 258         }
 259
 260         dev_dbg(&d->udev->dev, "%s: num=%d\n", __func__, num);
 261
 262         if (num == -1) {
 263                 dev_err(&d->udev->dev, "%s: I2C client out of index\n",
 264                                 KBUILD_MODNAME);
 265                 goto err;
 266         }
 267
 268         client = state->i2c_client[num];
 269
 270         /* decrease I2C driver usage count */
 271         module_put(client->dev.driver->owner);
 272
 273         /* unregister I2C device */
 274         i2c_unregister_device(client);
 275
 276         state->i2c_client[num] = NULL;
 277         return;
 278 err:
 279         dev_dbg(&d->udev->dev, "%s: failed\n", __func__);
 280 }
 281
 282 static int af9035_i2c_master_xfer(struct i2c_adapter *adap,
 283                 struct i2c_msg msg[], int num)
 284 {
 285         struct dvb_usb_device *d = i2c_get_adapdata(adap);
 286         struct state *state = d_to_priv(d);
 287         int ret;
 288
 289         if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
 290                 return -EAGAIN;
 291
 292         /*
 293          * AF9035 I2C sub header is 5 bytes long. Meaning of those bytes are:
 294          * 0: data len
 295          * 1: I2C addr << 1
 296          * 2: reg addr len
 297          *    byte 3 and 4 can be used as reg addr
 298          * 3: reg addr MSB
 299          *    used when reg addr len is set to 2
 300          * 4: reg addr LSB
 301          *    used when reg addr len is set to 1 or 2
 302          *
 303          * For the simplify we do not use register addr at all.
 304          * NOTE: As a firmware knows tuner type there is very small possibility
 305          * there could be some tuner I2C hacks done by firmware and this may
 306          * lead problems if firmware expects those bytes are used.
 307          *
 308          * TODO: Here is few hacks. AF9035 chip integrates AF9033 demodulator.
 309          * IT9135 chip integrates AF9033 demodulator and RF tuner. For dual
 310          * tuner devices, there is also external AF9033 demodulator connected
 311          * via external I2C bus. All AF9033 demod I2C traffic, both single and
 312          * dual tuner configuration, is covered by firmware - actual USB IO
 313          * looks just like a memory access.
 314          * In case of IT913x chip, there is own tuner driver. It is implemented
 315          * currently as a I2C driver, even tuner IP block is likely build
 316          * directly into the demodulator memory space and there is no own I2C
 317          * bus. I2C subsystem does not allow register multiple devices to same
 318          * bus, having same slave address. Due to that we reuse demod address,
 319          * shifted by one bit, on that case.
 320          *
 321          * For IT930x we use a different command and the sub header is
 322          * different as well:
 323          * 0: data len
 324          * 1: I2C bus (0x03 seems to be only value used)
 325          * 2: I2C addr << 1
 326          */
 327 #define AF9035_IS_I2C_XFER_WRITE_READ(_msg, _num) \
 328         (_num == 2 && !(_msg[0].flags & I2C_M_RD) && (_msg[1].flags & I2C_M_RD))
 329 #define AF9035_IS_I2C_XFER_WRITE(_msg, _num) \
 330         (_num == 1 && !(_msg[0].flags & I2C_M_RD))
 331 #define AF9035_IS_I2C_XFER_READ(_msg, _num) \
 332         (_num == 1 && (_msg[0].flags & I2C_M_RD))
 333
 334         if (AF9035_IS_I2C_XFER_WRITE_READ(msg, num)) {
 335                 if (msg[0].len > 40 || msg[1].len > 40) {
 336                         /* TODO: correct limits > 40 */
 337                         ret = -EOPNOTSUPP;
 338                 } else if ((msg[0].addr == state->af9033_i2c_addr[0]) ||
 339                            (msg[0].addr == state->af9033_i2c_addr[1]) ||
 340                            (state->chip_type == 0x9135)) {
 341                         /* demod access via firmware interface */
 342                         u32 reg = msg[0].buf[0] << 16 | msg[0].buf[1] << 8 |
 343                                         msg[0].buf[2];
 344
 345                         if (msg[0].addr == state->af9033_i2c_addr[1] ||
 346                             msg[0].addr == (state->af9033_i2c_addr[1] >> 1))
 347                                 reg |= 0x100000;
 348
 349                         ret = af9035_rd_regs(d, reg, &msg[1].buf[0],
 350                                         msg[1].len);
 351                 } else {
 352                         /* I2C write + read */
 353                         u8 buf[MAX_XFER_SIZE];
 354                         struct usb_req req = { CMD_I2C_RD, 0, 5 + msg[0].len,
 355                                         buf, msg[1].len, msg[1].buf };
 356
 357                         if (state->chip_type == 0x9306) {
 358                                 req.cmd = CMD_GENERIC_I2C_RD;
 359                                 req.wlen = 3 + msg[0].len;
 360                         }
 361                         req.mbox |= ((msg[0].addr & 0x80)  >>  3);
 362
 363                         buf[0] = msg[1].len;
 364                         if (state->chip_type == 0x9306) {
 365                                 buf[1] = 0x03; /* I2C bus */
 366                                 buf[2] = msg[0].addr << 1;
 367                                 memcpy(&buf[3], msg[0].buf, msg[0].len);
 368                         } else {
 369                                 buf[1] = msg[0].addr << 1;
 370                                 buf[2] = 0x00; /* reg addr len */
 371                                 buf[3] = 0x00; /* reg addr MSB */
 372                                 buf[4] = 0x00; /* reg addr LSB */
 373                                 memcpy(&buf[5], msg[0].buf, msg[0].len);
 374                         }
 375                         ret = af9035_ctrl_msg(d, &req);
 376                 }
 377         } else if (AF9035_IS_I2C_XFER_WRITE(msg, num)) {
 378                 if (msg[0].len > 40) {
 379                         /* TODO: correct limits > 40 */
 380                         ret = -EOPNOTSUPP;
 381                 } else if ((msg[0].addr == state->af9033_i2c_addr[0]) ||
 382                            (msg[0].addr == state->af9033_i2c_addr[1]) ||
 383                            (state->chip_type == 0x9135)) {
 384                         /* demod access via firmware interface */
 385                         u32 reg = msg[0].buf[0] << 16 | msg[0].buf[1] << 8 |
 386                                         msg[0].buf[2];
 387
 388                         if (msg[0].addr == state->af9033_i2c_addr[1] ||
 389                             msg[0].addr == (state->af9033_i2c_addr[1] >> 1))
 390                                 reg |= 0x100000;
 391
 392                         ret = af9035_wr_regs(d, reg, &msg[0].buf[3],
 393                                         msg[0].len - 3);
 394                 } else {
 395                         /* I2C write */
 396                         u8 buf[MAX_XFER_SIZE];
 397                         struct usb_req req = { CMD_I2C_WR, 0, 5 + msg[0].len,
 398                                         buf, 0, NULL };
 399
 400                         if (state->chip_type == 0x9306) {
 401                                 req.cmd = CMD_GENERIC_I2C_WR;
 402                                 req.wlen = 3 + msg[0].len;
 403                         }
 404
 405                         req.mbox |= ((msg[0].addr & 0x80)  >>  3);
 406                         buf[0] = msg[0].len;
 407                         if (state->chip_type == 0x9306) {
 408                                 buf[1] = 0x03; /* I2C bus */
 409                                 buf[2] = msg[0].addr << 1;
 410                                 memcpy(&buf[3], msg[0].buf, msg[0].len);
 411                         } else {
 412                                 buf[1] = msg[0].addr << 1;
 413                                 buf[2] = 0x00; /* reg addr len */
 414                                 buf[3] = 0x00; /* reg addr MSB */
 415                                 buf[4] = 0x00; /* reg addr LSB */
 416                                 memcpy(&buf[5], msg[0].buf, msg[0].len);
 417                         }
 418                         ret = af9035_ctrl_msg(d, &req);
 419                 }
 420         } else if (AF9035_IS_I2C_XFER_READ(msg, num)) {
 421                 if (msg[0].len > 40) {
 422                         /* TODO: correct limits > 40 */
 423                         ret = -EOPNOTSUPP;
 424                 } else {
 425                         /* I2C read */
 426                         u8 buf[5];
 427                         struct usb_req req = { CMD_I2C_RD, 0, sizeof(buf),
 428                                                 buf, msg[0].len, msg[0].buf };
 429
 430                         if (state->chip_type == 0x9306) {
 431                                 req.cmd = CMD_GENERIC_I2C_RD;
 432                                 req.wlen = 3;
 433                         }
 434                         req.mbox |= ((msg[0].addr & 0x80)  >>  3);
 435                         buf[0] = msg[0].len;
 436                         if (state->chip_type == 0x9306) {
 437                                 buf[1] = 0x03; /* I2C bus */
 438                                 buf[2] = msg[0].addr << 1;
 439                         } else {
 440                                 buf[1] = msg[0].addr << 1;
 441                                 buf[2] = 0x00; /* reg addr len */
 442                                 buf[3] = 0x00; /* reg addr MSB */
 443                                 buf[4] = 0x00; /* reg addr LSB */
 444                         }
 445                         ret = af9035_ctrl_msg(d, &req);
 446                 }
 447         } else {
 448                 /*
 449                  * We support only three kind of I2C transactions:
 450                  * 1) 1 x write + 1 x read (repeated start)
 451                  * 2) 1 x write
 452                  * 3) 1 x read
 453                  */
 454                 ret = -EOPNOTSUPP;
 455         }
 456
 457         mutex_unlock(&d->i2c_mutex);
 458
 459         if (ret < 0)
 460                 return ret;
 461         else
 462                 return num;
 463 }
 464
 465 static u32 af9035_i2c_functionality(struct i2c_adapter *adapter)
 466 {
 467         return I2C_FUNC_I2C;
 468 }
 469
 470 static struct i2c_algorithm af9035_i2c_algo = {
 471         .master_xfer = af9035_i2c_master_xfer,
 472         .functionality = af9035_i2c_functionality,
 473 };
 474
 475 static int af9035_identify_state(struct dvb_usb_device *d, const char **name)
 476 {
 477         struct state *state = d_to_priv(d);
 478         int ret;
 479         u8 wbuf[1] = { 1 };
 480         u8 rbuf[4];
 481         struct usb_req req = { CMD_FW_QUERYINFO, 0, sizeof(wbuf), wbuf,
 482                         sizeof(rbuf), rbuf };
 483
 484         ret = af9035_rd_regs(d, 0x1222, rbuf, 3);
 485         if (ret < 0)
 486                 goto err;
 487
 488         state->chip_version = rbuf[0];
 489         state->chip_type = rbuf[2] << 8 | rbuf[1] << 0;
 490
 491         ret = af9035_rd_reg(d, 0x384f, &state->prechip_version);
 492         if (ret < 0)
 493                 goto err;
 494
 495         dev_info(&d->udev->dev,
 496                         "%s: prechip_version=%02x chip_version=%02x chip_type=%04x\n",
 497                         KBUILD_MODNAME, state->prechip_version,
 498                         state->chip_version, state->chip_type);
 499
 500         if (state->chip_type == 0x9135) {
 501                 if (state->chip_version == 0x02)
 502                         *name = AF9035_FIRMWARE_IT9135_V2;
 503                 else
 504                         *name = AF9035_FIRMWARE_IT9135_V1;
 505                 state->eeprom_addr = EEPROM_BASE_IT9135;
 506         } else if (state->chip_type == 0x9306) {
 507                 *name = AF9035_FIRMWARE_IT9303;
 508                 state->eeprom_addr = EEPROM_BASE_IT9135;
 509         } else {
 510                 *name = AF9035_FIRMWARE_AF9035;
 511                 state->eeprom_addr = EEPROM_BASE_AF9035;
 512         }
 513
 514         ret = af9035_ctrl_msg(d, &req);
 515         if (ret < 0)
 516                 goto err;
 517
 518         dev_dbg(&d->udev->dev, "%s: reply=%*ph\n", __func__, 4, rbuf);
 519         if (rbuf[0] || rbuf[1] || rbuf[2] || rbuf[3])
 520                 ret = WARM;
 521         else
 522                 ret = COLD;
 523
 524         return ret;
 525
 526 err:
 527         dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
 528
 529         return ret;
 530 }
 531
 532 static int af9035_download_firmware_old(struct dvb_usb_device *d,
 533                 const struct firmware *fw)
 534 {
 535         int ret, i, j, len;
 536         u8 wbuf[1];
 537         struct usb_req req = { 0, 0, 0, NULL, 0, NULL };
 538         struct usb_req req_fw_dl = { CMD_FW_DL, 0, 0, wbuf, 0, NULL };
 539         u8 hdr_core;
 540         u16 hdr_addr, hdr_data_len, hdr_checksum;
 541         #define MAX_DATA 58
 542         #define HDR_SIZE 7
 543
 544         /*
 545          * Thanks to Daniel Glöckner <daniel-gl@gmx.net> about that info!
 546          *
 547          * byte 0: MCS 51 core
 548          *  There are two inside the AF9035 (1=Link and 2=OFDM) with separate
 549          *  address spaces
 550          * byte 1-2: Big endian destination address
 551          * byte 3-4: Big endian number of data bytes following the header
 552          * byte 5-6: Big endian header checksum, apparently ignored by the chip
 553          *  Calculated as ~(h[0]*256+h[1]+h[2]*256+h[3]+h[4]*256)
 554          */
 555
 556         for (i = fw->size; i > HDR_SIZE;) {
 557                 hdr_core = fw->data[fw->size - i + 0];
 558                 hdr_addr = fw->data[fw->size - i + 1] << 8;
 559                 hdr_addr |= fw->data[fw->size - i + 2] << 0;
 560                 hdr_data_len = fw->data[fw->size - i + 3] << 8;
 561                 hdr_data_len |= fw->data[fw->size - i + 4] << 0;
 562                 hdr_checksum = fw->data[fw->size - i + 5] << 8;
 563                 hdr_checksum |= fw->data[fw->size - i + 6] << 0;
 564
 565                 dev_dbg(&d->udev->dev,
 566                                 "%s: core=%d addr=%04x data_len=%d checksum=%04x\n",
 567                                 __func__, hdr_core, hdr_addr, hdr_data_len,
 568                                 hdr_checksum);
 569
 570                 if (((hdr_core != 1) && (hdr_core != 2)) ||
 571                                 (hdr_data_len > i)) {
 572                         dev_dbg(&d->udev->dev, "%s: bad firmware\n", __func__);
 573                         break;
 574                 }
 575
 576                 /* download begin packet */
 577                 req.cmd = CMD_FW_DL_BEGIN;
 578                 ret = af9035_ctrl_msg(d, &req);
 579                 if (ret < 0)
 580                         goto err;
 581
 582                 /* download firmware packet(s) */
 583                 for (j = HDR_SIZE + hdr_data_len; j > 0; j -= MAX_DATA) {
 584                         len = j;
 585                         if (len > MAX_DATA)
 586                                 len = MAX_DATA;
 587                         req_fw_dl.wlen = len;
 588                         req_fw_dl.wbuf = (u8 *) &fw->data[fw->size - i +
 589                                         HDR_SIZE + hdr_data_len - j];
 590                         ret = af9035_ctrl_msg(d, &req_fw_dl);
 591                         if (ret < 0)
 592                                 goto err;
 593                 }
 594
 595                 /* download end packet */
 596                 req.cmd = CMD_FW_DL_END;
 597                 ret = af9035_ctrl_msg(d, &req);
 598                 if (ret < 0)
 599                         goto err;
 600
 601                 i -= hdr_data_len + HDR_SIZE;
 602
 603                 dev_dbg(&d->udev->dev, "%s: data uploaded=%zu\n",
 604                                 __func__, fw->size - i);
 605         }
 606
 607         /* print warn if firmware is bad, continue and see what happens */
 608         if (i)
 609                 dev_warn(&d->udev->dev, "%s: bad firmware\n", KBUILD_MODNAME);
 610
 611         return 0;
 612
 613 err:
 614         dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
 615
 616         return ret;
 617 }
 618
 619 static int af9035_download_firmware_new(struct dvb_usb_device *d,
 620                 const struct firmware *fw)
 621 {
 622         int ret, i, i_prev;
 623         struct usb_req req_fw_dl = { CMD_FW_SCATTER_WR, 0, 0, NULL, 0, NULL };
 624         #define HDR_SIZE 7
 625
 626         /*
 627          * There seems to be following firmware header. Meaning of bytes 0-3
 628          * is unknown.
 629          *
 630          * 0: 3
 631          * 1: 0, 1
 632          * 2: 0
 633          * 3: 1, 2, 3
 634          * 4: addr MSB
 635          * 5: addr LSB
 636          * 6: count of data bytes ?
 637          */
 638         for (i = HDR_SIZE, i_prev = 0; i <= fw->size; i++) {
 639                 if (i == fw->size ||
 640                                 (fw->data[i + 0] == 0x03 &&
 641                                 (fw->data[i + 1] == 0x00 ||
 642                                 fw->data[i + 1] == 0x01) &&
 643                                 fw->data[i + 2] == 0x00)) {
 644                         req_fw_dl.wlen = i - i_prev;
 645                         req_fw_dl.wbuf = (u8 *) &fw->data[i_prev];
 646                         i_prev = i;
 647                         ret = af9035_ctrl_msg(d, &req_fw_dl);
 648                         if (ret < 0)
 649                                 goto err;
 650
 651                         dev_dbg(&d->udev->dev, "%s: data uploaded=%d\n",
 652                                         __func__, i);
 653                 }
 654         }
 655
 656         return 0;
 657
 658 err:
 659         dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
 660
 661         return ret;
 662 }
 663
 664 static int af9035_download_firmware(struct dvb_usb_device *d,
 665                 const struct firmware *fw)
 666 {
 667         struct state *state = d_to_priv(d);
 668         int ret;
 669         u8 wbuf[1];
 670         u8 rbuf[4];
 671         u8 tmp;
 672         struct usb_req req = { 0, 0, 0, NULL, 0, NULL };
 673         struct usb_req req_fw_ver = { CMD_FW_QUERYINFO, 0, 1, wbuf, 4, rbuf };
 674
 675         dev_dbg(&d->udev->dev, "%s:\n", __func__);
 676
 677         /*
 678          * In case of dual tuner configuration we need to do some extra
 679          * initialization in order to download firmware to slave demod too,
 680          * which is done by master demod.
 681          * Master feeds also clock and controls power via GPIO.
 682          */
 683         ret = af9035_rd_reg(d, state->eeprom_addr + EEPROM_TS_MODE, &tmp);
 684         if (ret < 0)
 685                 goto err;
 686
 687         if (tmp == 1 || tmp == 3) {
 688                 /* configure gpioh1, reset & power slave demod */
 689                 ret = af9035_wr_reg_mask(d, 0x00d8b0, 0x01, 0x01);
 690                 if (ret < 0)
 691                         goto err;
 692
 693                 ret = af9035_wr_reg_mask(d, 0x00d8b1, 0x01, 0x01);
 694                 if (ret < 0)
 695                         goto err;
 696
 697                 ret = af9035_wr_reg_mask(d, 0x00d8af, 0x00, 0x01);
 698                 if (ret < 0)
 699                         goto err;
 700
 701                 usleep_range(10000, 50000);
 702
 703                 ret = af9035_wr_reg_mask(d, 0x00d8af, 0x01, 0x01);
 704                 if (ret < 0)
 705                         goto err;
 706
 707                 /* tell the slave I2C address */
 708                 ret = af9035_rd_reg(d,
 709                                 state->eeprom_addr + EEPROM_2ND_DEMOD_ADDR,
 710                                 &tmp);
 711                 if (ret < 0)
 712                         goto err;
 713
 714                 /* use default I2C address if eeprom has no address set */
 715                 if (!tmp)
 716                         tmp = 0x3a;
 717
 718                 if ((state->chip_type == 0x9135) ||
 719                                 (state->chip_type == 0x9306)) {
 720                         ret = af9035_wr_reg(d, 0x004bfb, tmp);
 721                         if (ret < 0)
 722                                 goto err;
 723                 } else {
 724                         ret = af9035_wr_reg(d, 0x00417f, tmp);
 725                         if (ret < 0)
 726                                 goto err;
 727
 728                         /* enable clock out */
 729                         ret = af9035_wr_reg_mask(d, 0x00d81a, 0x01, 0x01);
 730                         if (ret < 0)
 731                                 goto err;
 732                 }
 733         }
 734
 735         if (fw->data[0] == 0x01)
 736                 ret = af9035_download_firmware_old(d, fw);
 737         else
 738                 ret = af9035_download_firmware_new(d, fw);
 739         if (ret < 0)
 740                 goto err;
 741
 742         /* firmware loaded, request boot */
 743         req.cmd = CMD_FW_BOOT;
 744         ret = af9035_ctrl_msg(d, &req);
 745         if (ret < 0)
 746                 goto err;
 747
 748         /* ensure firmware starts */
 749         wbuf[0] = 1;
 750         ret = af9035_ctrl_msg(d, &req_fw_ver);
 751         if (ret < 0)
 752                 goto err;
 753
 754         if (!(rbuf[0] || rbuf[1] || rbuf[2] || rbuf[3])) {
 755                 dev_err(&d->udev->dev, "%s: firmware did not run\n",
 756                                 KBUILD_MODNAME);
 757                 ret = -ENODEV;
 758                 goto err;
 759         }
 760
 761         dev_info(&d->udev->dev, "%s: firmware version=%d.%d.%d.%d",
 762                         KBUILD_MODNAME, rbuf[0], rbuf[1], rbuf[2], rbuf[3]);
 763
 764         return 0;
 765
 766 err:
 767         dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
 768
 769         return ret;
 770 }
 771
 772 static int af9035_read_config(struct dvb_usb_device *d)
 773 {
 774         struct state *state = d_to_priv(d);
 775         int ret, i;
 776         u8 tmp;
 777         u16 tmp16, addr;
 778
 779         /* demod I2C "address" */
 780         state->af9033_i2c_addr[0] = 0x38;
 781         state->af9033_i2c_addr[1] = 0x3a;
 782         state->af9033_config[0].adc_multiplier = AF9033_ADC_MULTIPLIER_2X;
 783         state->af9033_config[1].adc_multiplier = AF9033_ADC_MULTIPLIER_2X;
 784         state->af9033_config[0].ts_mode = AF9033_TS_MODE_USB;
 785         state->af9033_config[1].ts_mode = AF9033_TS_MODE_SERIAL;
 786
 787         if (state->chip_type == 0x9135) {
 788                 /* feed clock for integrated RF tuner */
 789                 state->af9033_config[0].dyn0_clk = true;
 790                 state->af9033_config[1].dyn0_clk = true;
 791
 792                 if (state->chip_version == 0x02) {
 793                         state->af9033_config[0].tuner = AF9033_TUNER_IT9135_60;
 794                         state->af9033_config[1].tuner = AF9033_TUNER_IT9135_60;
 795                         tmp16 = 0x00461d; /* eeprom memory mapped location */
 796                 } else {
 797                         state->af9033_config[0].tuner = AF9033_TUNER_IT9135_38;
 798                         state->af9033_config[1].tuner = AF9033_TUNER_IT9135_38;
 799                         tmp16 = 0x00461b; /* eeprom memory mapped location */
 800                 }
 801
 802                 /* check if eeprom exists */
 803                 ret = af9035_rd_reg(d, tmp16, &tmp);
 804                 if (ret < 0)
 805                         goto err;
 806
 807                 if (tmp == 0x00) {
 808                         dev_dbg(&d->udev->dev, "%s: no eeprom\n", __func__);
 809                         goto skip_eeprom;
 810                 }
 811         } else if (state->chip_type == 0x9306) {
 812                 /*
 813                  * IT930x is an USB bridge, only single demod-single tuner
 814                  * configurations seen so far.
 815                  */
 816                 return 0;
 817         }
 818
 819
 820
 821         /* check if there is dual tuners */
 822         ret = af9035_rd_reg(d, state->eeprom_addr + EEPROM_TS_MODE, &tmp);
 823         if (ret < 0)
 824                 goto err;
 825
 826         if (tmp == 1 || tmp == 3)
 827                 state->dual_mode = true;
 828
 829         dev_dbg(&d->udev->dev, "%s: ts mode=%d dual mode=%d\n", __func__,
 830                         tmp, state->dual_mode);
 831
 832         if (state->dual_mode) {
 833                 /* read 2nd demodulator I2C address */
 834                 ret = af9035_rd_reg(d,
 835                                 state->eeprom_addr + EEPROM_2ND_DEMOD_ADDR,
 836                                 &tmp);
 837                 if (ret < 0)
 838                         goto err;
 839
 840                 if (tmp)
 841                         state->af9033_i2c_addr[1] = tmp;
 842
 843                 dev_dbg(&d->udev->dev, "%s: 2nd demod I2C addr=%02x\n",
 844                                 __func__, tmp);
 845         }
 846
 847         addr = state->eeprom_addr;
 848
 849         for (i = 0; i < state->dual_mode + 1; i++) {
 850                 /* tuner */
 851                 ret = af9035_rd_reg(d, addr + EEPROM_1_TUNER_ID, &tmp);
 852                 if (ret < 0)
 853                         goto err;
 854
 855                 dev_dbg(&d->udev->dev, "%s: [%d]tuner=%02x\n",
 856                                 __func__, i, tmp);
 857
 858                 /* tuner sanity check */
 859                 if (state->chip_type == 0x9135) {
 860                         if (state->chip_version == 0x02) {
 861                                 /* IT9135 BX (v2) */
 862                                 switch (tmp) {
 863                                 case AF9033_TUNER_IT9135_60:
 864                                 case AF9033_TUNER_IT9135_61:
 865                                 case AF9033_TUNER_IT9135_62:
 866                                         state->af9033_config[i].tuner = tmp;
 867                                         break;
 868                                 }
 869                         } else {
 870                                 /* IT9135 AX (v1) */
 871                                 switch (tmp) {
 872                                 case AF9033_TUNER_IT9135_38:
 873                                 case AF9033_TUNER_IT9135_51:
 874                                 case AF9033_TUNER_IT9135_52:
 875                                         state->af9033_config[i].tuner = tmp;
 876                                         break;
 877                                 }
 878                         }
 879                 } else {
 880                         /* AF9035 */
 881                         state->af9033_config[i].tuner = tmp;
 882                 }
 883
 884                 if (state->af9033_config[i].tuner != tmp) {
 885                         dev_info(&d->udev->dev,
 886                                         "%s: [%d] overriding tuner from %02x to %02x\n",
 887                                         KBUILD_MODNAME, i, tmp,
 888                                         state->af9033_config[i].tuner);
 889                 }
 890
 891                 switch (state->af9033_config[i].tuner) {
 892                 case AF9033_TUNER_TUA9001:
 893                 case AF9033_TUNER_FC0011:
 894                 case AF9033_TUNER_MXL5007T:
 895                 case AF9033_TUNER_TDA18218:
 896                 case AF9033_TUNER_FC2580:
 897                 case AF9033_TUNER_FC0012:
 898                         state->af9033_config[i].spec_inv = 1;
 899                         break;
 900                 case AF9033_TUNER_IT9135_38:
 901                 case AF9033_TUNER_IT9135_51:
 902                 case AF9033_TUNER_IT9135_52:
 903                 case AF9033_TUNER_IT9135_60:
 904                 case AF9033_TUNER_IT9135_61:
 905                 case AF9033_TUNER_IT9135_62:
 906                         break;
 907                 default:
 908                         dev_warn(&d->udev->dev,
 909                                         "%s: tuner id=%02x not supported, please report!",
 910                                         KBUILD_MODNAME, tmp);
 911                 }
 912
 913                 /* disable dual mode if driver does not support it */
 914                 if (i == 1)
 915                         switch (state->af9033_config[i].tuner) {
 916                         case AF9033_TUNER_FC0012:
 917                         case AF9033_TUNER_IT9135_38:
 918                         case AF9033_TUNER_IT9135_51:
 919                         case AF9033_TUNER_IT9135_52:
 920                         case AF9033_TUNER_IT9135_60:
 921                         case AF9033_TUNER_IT9135_61:
 922                         case AF9033_TUNER_IT9135_62:
 923                         case AF9033_TUNER_MXL5007T:
 924                                 break;
 925                         default:
 926                                 state->dual_mode = false;
 927                                 dev_info(&d->udev->dev,
 928                                                 "%s: driver does not support 2nd tuner and will disable it",
 929                                                 KBUILD_MODNAME);
 930                 }
 931
 932                 /* tuner IF frequency */
 933                 ret = af9035_rd_reg(d, addr + EEPROM_1_IF_L, &tmp);
 934                 if (ret < 0)
 935                         goto err;
 936
 937                 tmp16 = tmp;
 938
 939                 ret = af9035_rd_reg(d, addr + EEPROM_1_IF_H, &tmp);
 940                 if (ret < 0)
 941                         goto err;
 942
 943                 tmp16 |= tmp << 8;
 944
 945                 dev_dbg(&d->udev->dev, "%s: [%d]IF=%d\n", __func__, i, tmp16);
 946
 947                 addr += 0x10; /* shift for the 2nd tuner params */
 948         }
 949
 950 skip_eeprom:
 951         /* get demod clock */
 952         ret = af9035_rd_reg(d, 0x00d800, &tmp);
 953         if (ret < 0)
 954                 goto err;
 955
 956         tmp = (tmp >> 0) & 0x0f;
 957
 958         for (i = 0; i < ARRAY_SIZE(state->af9033_config); i++) {
 959                 if (state->chip_type == 0x9135)
 960                         state->af9033_config[i].clock = clock_lut_it9135[tmp];
 961                 else
 962                         state->af9033_config[i].clock = clock_lut_af9035[tmp];
 963         }
 964
 965         return 0;
 966
 967 err:
 968         dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
 969
 970         return ret;
 971 }
 972
 973 static int af9035_tua9001_tuner_callback(struct dvb_usb_device *d,
 974                 int cmd, int arg)
 975 {
 976         int ret;
 977         u8 val;
 978
 979         dev_dbg(&d->udev->dev, "%s: cmd=%d arg=%d\n", __func__, cmd, arg);
 980
 981         /*
 982          * CEN     always enabled by hardware wiring
 983          * RESETN  GPIOT3
 984          * RXEN    GPIOT2
 985          */
 986
 987         switch (cmd) {
 988         case TUA9001_CMD_RESETN:
 989                 if (arg)
 990                         val = 0x00;
 991                 else
 992                         val = 0x01;
 993
 994                 ret = af9035_wr_reg_mask(d, 0x00d8e7, val, 0x01);
 995                 if (ret < 0)
 996                         goto err;
 997                 break;
 998         case TUA9001_CMD_RXEN:
 999                 if (arg)
1000                         val = 0x01;
1001                 else
1002                         val = 0x00;
1003
1004                 ret = af9035_wr_reg_mask(d, 0x00d8eb, val, 0x01);
1005                 if (ret < 0)
1006                         goto err;
1007                 break;
1008         }
1009
1010         return 0;
1011
1012 err:
1013         dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
1014
1015         return ret;
1016 }
1017
1018
1019 static int af9035_fc0011_tuner_callback(struct dvb_usb_device *d,
1020                 int cmd, int arg)
1021 {
1022         int ret;
1023
1024         switch (cmd) {
1025         case FC0011_FE_CALLBACK_POWER:
1026                 /* Tuner enable */
1027                 ret = af9035_wr_reg_mask(d, 0xd8eb, 1, 1);
1028                 if (ret < 0)
1029                         goto err;
1030
1031                 ret = af9035_wr_reg_mask(d, 0xd8ec, 1, 1);
1032                 if (ret < 0)
1033                         goto err;
1034
1035                 ret = af9035_wr_reg_mask(d, 0xd8ed, 1, 1);
1036                 if (ret < 0)
1037                         goto err;
1038
1039                 /* LED */
1040                 ret = af9035_wr_reg_mask(d, 0xd8d0, 1, 1);
1041                 if (ret < 0)
1042                         goto err;
1043
1044                 ret = af9035_wr_reg_mask(d, 0xd8d1, 1, 1);
1045                 if (ret < 0)
1046                         goto err;
1047
1048                 usleep_range(10000, 50000);
1049                 break;
1050         case FC0011_FE_CALLBACK_RESET:
1051                 ret = af9035_wr_reg(d, 0xd8e9, 1);
1052                 if (ret < 0)
1053                         goto err;
1054
1055                 ret = af9035_wr_reg(d, 0xd8e8, 1);
1056                 if (ret < 0)
1057                         goto err;
1058
1059                 ret = af9035_wr_reg(d, 0xd8e7, 1);
1060                 if (ret < 0)
1061                         goto err;
1062
1063                 usleep_range(10000, 20000);
1064
1065                 ret = af9035_wr_reg(d, 0xd8e7, 0);
1066                 if (ret < 0)
1067                         goto err;
1068
1069                 usleep_range(10000, 20000);
1070                 break;
1071         default:
1072                 ret = -EINVAL;
1073                 goto err;
1074         }
1075
1076         return 0;
1077
1078 err:
1079         dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
1080
1081         return ret;
1082 }
1083
1084 static int af9035_tuner_callback(struct dvb_usb_device *d, int cmd, int arg)
1085 {
1086         struct state *state = d_to_priv(d);
1087
1088         switch (state->af9033_config[0].tuner) {
1089         case AF9033_TUNER_FC0011:
1090                 return af9035_fc0011_tuner_callback(d, cmd, arg);
1091         case AF9033_TUNER_TUA9001:
1092                 return af9035_tua9001_tuner_callback(d, cmd, arg);
1093         default:
1094                 break;
1095         }
1096
1097         return 0;
1098 }
1099
1100 static int af9035_frontend_callback(void *adapter_priv, int component,
1101                                     int cmd, int arg)
1102 {
1103         struct i2c_adapter *adap = adapter_priv;
1104         struct dvb_usb_device *d = i2c_get_adapdata(adap);
1105
1106         dev_dbg(&d->udev->dev, "%s: component=%d cmd=%d arg=%d\n",
1107                         __func__, component, cmd, arg);
1108
1109         switch (component) {
1110         case DVB_FRONTEND_COMPONENT_TUNER:
1111                 return af9035_tuner_callback(d, cmd, arg);
1112         default:
1113                 break;
1114         }
1115
1116         return 0;
1117 }
1118
1119 static int af9035_get_adapter_count(struct dvb_usb_device *d)
1120 {
1121         struct state *state = d_to_priv(d);
1122
1123         return state->dual_mode + 1;
1124 }
1125
1126 static int af9035_frontend_attach(struct dvb_usb_adapter *adap)
1127 {
1128         struct state *state = adap_to_priv(adap);
1129         struct dvb_usb_device *d = adap_to_d(adap);
1130         int ret;
1131
1132         dev_dbg(&d->udev->dev, "%s: adap->id=%d\n", __func__, adap->id);
1133
1134         if (!state->af9033_config[adap->id].tuner) {
1135                 /* unsupported tuner */
1136                 ret = -ENODEV;
1137                 goto err;
1138         }
1139
1140         state->af9033_config[adap->id].fe = &adap->fe[0];
1141         state->af9033_config[adap->id].ops = &state->ops;
1142         ret = af9035_add_i2c_dev(d, "af9033", state->af9033_i2c_addr[adap->id],
1143                         &state->af9033_config[adap->id], &d->i2c_adap);
1144         if (ret)
1145                 goto err;
1146
1147         if (adap->fe[0] == NULL) {
1148                 ret = -ENODEV;
1149                 goto err;
1150         }
1151
1152         /* disable I2C-gate */
1153         adap->fe[0]->ops.i2c_gate_ctrl = NULL;
1154         adap->fe[0]->callback = af9035_frontend_callback;
1155
1156         return 0;
1157
1158 err:
1159         dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
1160
1161         return ret;
1162 }
1163
1164 static int it930x_frontend_attach(struct dvb_usb_adapter *adap)
1165 {
1166         struct state *state = adap_to_priv(adap);
1167         struct dvb_usb_device *d = adap_to_d(adap);
1168         int ret;
1169         struct si2168_config si2168_config;
1170         struct i2c_adapter *adapter;
1171
1172         dev_dbg(&d->udev->dev, "adap->id=%d\n", adap->id);
1173
1174         memset(&si2168_config, 0, sizeof(si2168_config));
1175         si2168_config.i2c_adapter = &adapter;
1176         si2168_config.fe = &adap->fe[0];
1177         si2168_config.ts_mode = SI2168_TS_SERIAL;
1178
1179         state->af9033_config[adap->id].fe = &adap->fe[0];
1180         state->af9033_config[adap->id].ops = &state->ops;
1181         ret = af9035_add_i2c_dev(d, "si2168", 0x67, &si2168_config,
1182                                 &d->i2c_adap);
1183         if (ret)
1184                 goto err;
1185
1186         if (adap->fe[0] == NULL) {
1187                 ret = -ENODEV;
1188                 goto err;
1189         }
1190         state->i2c_adapter_demod = adapter;
1191
1192         return 0;
1193
1194 err:
1195         dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
1196
1197         return ret;
1198 }
1199
1200 static int af9035_frontend_detach(struct dvb_usb_adapter *adap)
1201 {
1202         struct state *state = adap_to_priv(adap);
1203         struct dvb_usb_device *d = adap_to_d(adap);
1204         int demod2;
1205
1206         dev_dbg(&d->udev->dev, "%s: adap->id=%d\n", __func__, adap->id);
1207
1208         /*
1209          * For dual tuner devices we have to resolve 2nd demod client, as there
1210          * is two different kind of tuner drivers; one is using I2C binding
1211          * and the other is using DVB attach/detach binding.
1212          */
1213         switch (state->af9033_config[adap->id].tuner) {
1214         case AF9033_TUNER_IT9135_38:
1215         case AF9033_TUNER_IT9135_51:
1216         case AF9033_TUNER_IT9135_52:
1217         case AF9033_TUNER_IT9135_60:
1218         case AF9033_TUNER_IT9135_61:
1219         case AF9033_TUNER_IT9135_62:
1220                 demod2 = 2;
1221                 break;
1222         default:
1223                 demod2 = 1;
1224         }
1225
1226         if (adap->id == 1) {
1227                 if (state->i2c_client[demod2])
1228                         af9035_del_i2c_dev(d);
1229         } else if (adap->id == 0) {
1230                 if (state->i2c_client[0])
1231                         af9035_del_i2c_dev(d);
1232         }
1233
1234         return 0;
1235 }
1236
1237 static const struct fc0011_config af9035_fc0011_config = {
1238         .i2c_address = 0x60,
1239 };
1240
1241 static struct mxl5007t_config af9035_mxl5007t_config[] = {
1242         {
1243                 .xtal_freq_hz = MxL_XTAL_24_MHZ,
1244                 .if_freq_hz = MxL_IF_4_57_MHZ,
1245                 .invert_if = 0,
1246                 .loop_thru_enable = 0,
1247                 .clk_out_enable = 0,
1248                 .clk_out_amp = MxL_CLKOUT_AMP_0_94V,
1249         }, {
1250                 .xtal_freq_hz = MxL_XTAL_24_MHZ,
1251                 .if_freq_hz = MxL_IF_4_57_MHZ,
1252                 .invert_if = 0,
1253                 .loop_thru_enable = 1,
1254                 .clk_out_enable = 1,
1255                 .clk_out_amp = MxL_CLKOUT_AMP_0_94V,
1256         }
1257 };
1258
1259 static struct tda18218_config af9035_tda18218_config = {
1260         .i2c_address = 0x60,
1261         .i2c_wr_max = 21,
1262 };
1263
1264 static const struct fc0012_config af9035_fc0012_config[] = {
1265         {
1266                 .i2c_address = 0x63,
1267                 .xtal_freq = FC_XTAL_36_MHZ,
1268                 .dual_master = true,
1269                 .loop_through = true,
1270                 .clock_out = true,
1271         }, {
1272                 .i2c_address = 0x63 | 0x80, /* I2C bus select hack */
1273                 .xtal_freq = FC_XTAL_36_MHZ,
1274                 .dual_master = true,
1275         }
1276 };
1277
1278 static int af9035_tuner_attach(struct dvb_usb_adapter *adap)
1279 {
1280         struct state *state = adap_to_priv(adap);
1281         struct dvb_usb_device *d = adap_to_d(adap);
1282         int ret;
1283         struct dvb_frontend *fe;
1284         struct i2c_msg msg[1];
1285         u8 tuner_addr;
1286
1287         dev_dbg(&d->udev->dev, "%s: adap->id=%d\n", __func__, adap->id);
1288
1289         /*
1290          * XXX: Hack used in that function: we abuse unused I2C address bit [7]
1291          * to carry info about used I2C bus for dual tuner configuration.
1292          */
1293
1294         switch (state->af9033_config[adap->id].tuner) {
1295         case AF9033_TUNER_TUA9001: {
1296                 struct tua9001_platform_data tua9001_pdata = {
1297                         .dvb_frontend = adap->fe[0],
1298                 };
1299
1300                 /*
1301                  * AF9035 gpiot3 = TUA9001 RESETN
1302                  * AF9035 gpiot2 = TUA9001 RXEN
1303                  */
1304
1305                 /* configure gpiot2 and gpiot2 as output */
1306                 ret = af9035_wr_reg_mask(d, 0x00d8ec, 0x01, 0x01);
1307                 if (ret < 0)
1308                         goto err;
1309
1310                 ret = af9035_wr_reg_mask(d, 0x00d8ed, 0x01, 0x01);
1311                 if (ret < 0)
1312                         goto err;
1313
1314                 ret = af9035_wr_reg_mask(d, 0x00d8e8, 0x01, 0x01);
1315                 if (ret < 0)
1316                         goto err;
1317
1318                 ret = af9035_wr_reg_mask(d, 0x00d8e9, 0x01, 0x01);
1319                 if (ret < 0)
1320                         goto err;
1321
1322                 /* attach tuner */
1323                 ret = af9035_add_i2c_dev(d, "tua9001", 0x60, &tua9001_pdata,
1324                                          &d->i2c_adap);
1325                 if (ret)
1326                         goto err;
1327
1328                 fe = adap->fe[0];
1329                 break;
1330         }
1331         case AF9033_TUNER_FC0011:
1332                 fe = dvb_attach(fc0011_attach, adap->fe[0],
1333                                 &d->i2c_adap, &af9035_fc0011_config);
1334                 break;
1335         case AF9033_TUNER_MXL5007T:
1336                 if (adap->id == 0) {
1337                         ret = af9035_wr_reg(d, 0x00d8e0, 1);
1338                         if (ret < 0)
1339                                 goto err;
1340
1341                         ret = af9035_wr_reg(d, 0x00d8e1, 1);
1342                         if (ret < 0)
1343                                 goto err;
1344
1345                         ret = af9035_wr_reg(d, 0x00d8df, 0);
1346                         if (ret < 0)
1347                                 goto err;
1348
1349                         msleep(30);
1350
1351                         ret = af9035_wr_reg(d, 0x00d8df, 1);
1352                         if (ret < 0)
1353                                 goto err;
1354
1355                         msleep(300);
1356
1357                         ret = af9035_wr_reg(d, 0x00d8c0, 1);
1358                         if (ret < 0)
1359                                 goto err;
1360
1361                         ret = af9035_wr_reg(d, 0x00d8c1, 1);
1362                         if (ret < 0)
1363                                 goto err;
1364
1365                         ret = af9035_wr_reg(d, 0x00d8bf, 0);
1366                         if (ret < 0)
1367                                 goto err;
1368
1369                         ret = af9035_wr_reg(d, 0x00d8b4, 1);
1370                         if (ret < 0)
1371                                 goto err;
1372
1373                         ret = af9035_wr_reg(d, 0x00d8b5, 1);
1374                         if (ret < 0)
1375                                 goto err;
1376
1377                         ret = af9035_wr_reg(d, 0x00d8b3, 1);
1378                         if (ret < 0)
1379                                 goto err;
1380
1381                         tuner_addr = 0x60;
1382                 } else {
1383                         tuner_addr = 0x60 | 0x80; /* I2C bus hack */
1384                 }
1385
1386                 /* attach tuner */
1387                 fe = dvb_attach(mxl5007t_attach, adap->fe[0], &d->i2c_adap,
1388                                 tuner_addr, &af9035_mxl5007t_config[adap->id]);
1389                 break;
1390         case AF9033_TUNER_TDA18218:
1391                 /* attach tuner */
1392                 fe = dvb_attach(tda18218_attach, adap->fe[0],
1393                                 &d->i2c_adap, &af9035_tda18218_config);
1394                 break;
1395         case AF9033_TUNER_FC2580: {
1396                 struct fc2580_platform_data fc2580_pdata = {
1397                         .dvb_frontend = adap->fe[0],
1398                 };
1399
1400                 /* Tuner enable using gpiot2_o, gpiot2_en and gpiot2_on  */
1401                 ret = af9035_wr_reg_mask(d, 0xd8eb, 0x01, 0x01);
1402                 if (ret < 0)
1403                         goto err;
1404
1405                 ret = af9035_wr_reg_mask(d, 0xd8ec, 0x01, 0x01);
1406                 if (ret < 0)
1407                         goto err;
1408
1409                 ret = af9035_wr_reg_mask(d, 0xd8ed, 0x01, 0x01);
1410                 if (ret < 0)
1411                         goto err;
1412
1413                 usleep_range(10000, 50000);
1414                 /* attach tuner */
1415                 ret = af9035_add_i2c_dev(d, "fc2580", 0x56, &fc2580_pdata,
1416                                          &d->i2c_adap);
1417                 if (ret)
1418                         goto err;
1419
1420                 fe = adap->fe[0];
1421                 break;
1422         }
1423         case AF9033_TUNER_FC0012:
1424                 /*
1425                  * AF9035 gpiot2 = FC0012 enable
1426                  * XXX: there seems to be something on gpioh8 too, but on my
1427                  * my test I didn't find any difference.
1428                  */
1429
1430                 if (adap->id == 0) {
1431                         /* configure gpiot2 as output and high */
1432                         ret = af9035_wr_reg_mask(d, 0xd8eb, 0x01, 0x01);
1433                         if (ret < 0)
1434                                 goto err;
1435
1436                         ret = af9035_wr_reg_mask(d, 0xd8ec, 0x01, 0x01);
1437                         if (ret < 0)
1438                                 goto err;
1439
1440                         ret = af9035_wr_reg_mask(d, 0xd8ed, 0x01, 0x01);
1441                         if (ret < 0)
1442                                 goto err;
1443                 } else {
1444                         /*
1445                          * FIXME: That belongs for the FC0012 driver.
1446                          * Write 02 to FC0012 master tuner register 0d directly
1447                          * in order to make slave tuner working.
1448                          */
1449                         msg[0].addr = 0x63;
1450                         msg[0].flags = 0;
1451                         msg[0].len = 2;
1452                         msg[0].buf = "\x0d\x02";
1453                         ret = i2c_transfer(&d->i2c_adap, msg, 1);
1454                         if (ret < 0)
1455                                 goto err;
1456                 }
1457
1458                 usleep_range(10000, 50000);
1459
1460                 fe = dvb_attach(fc0012_attach, adap->fe[0], &d->i2c_adap,
1461                                 &af9035_fc0012_config[adap->id]);
1462                 break;
1463         case AF9033_TUNER_IT9135_38:
1464         case AF9033_TUNER_IT9135_51:
1465         case AF9033_TUNER_IT9135_52:
1466         {
1467                 struct it913x_config it913x_config = {
1468                         .fe = adap->fe[0],
1469                         .chip_ver = 1,
1470                 };
1471
1472                 if (state->dual_mode) {
1473                         if (adap->id == 0)
1474                                 it913x_config.role = IT913X_ROLE_DUAL_MASTER;
1475                         else
1476                                 it913x_config.role = IT913X_ROLE_DUAL_SLAVE;
1477                 }
1478
1479                 ret = af9035_add_i2c_dev(d, "it913x",
1480                                 state->af9033_i2c_addr[adap->id] >> 1,
1481                                 &it913x_config, &d->i2c_adap);
1482                 if (ret)
1483                         goto err;
1484
1485                 fe = adap->fe[0];
1486                 break;
1487         }
1488         case AF9033_TUNER_IT9135_60:
1489         case AF9033_TUNER_IT9135_61:
1490         case AF9033_TUNER_IT9135_62:
1491         {
1492                 struct it913x_config it913x_config = {
1493                         .fe = adap->fe[0],
1494                         .chip_ver = 2,
1495                 };
1496
1497                 if (state->dual_mode) {
1498                         if (adap->id == 0)
1499                                 it913x_config.role = IT913X_ROLE_DUAL_MASTER;
1500                         else
1501                                 it913x_config.role = IT913X_ROLE_DUAL_SLAVE;
1502                 }
1503
1504                 ret = af9035_add_i2c_dev(d, "it913x",
1505                                 state->af9033_i2c_addr[adap->id] >> 1,
1506                                 &it913x_config, &d->i2c_adap);
1507                 if (ret)
1508                         goto err;
1509
1510                 fe = adap->fe[0];
1511                 break;
1512         }
1513         default:
1514                 fe = NULL;
1515         }
1516
1517         if (fe == NULL) {
1518                 ret = -ENODEV;
1519                 goto err;
1520         }
1521
1522         return 0;
1523
1524 err:
1525         dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
1526
1527         return ret;
1528 }
1529
1530 static int it930x_tuner_attach(struct dvb_usb_adapter *adap)
1531 {
1532         struct state *state = adap_to_priv(adap);
1533         struct dvb_usb_device *d = adap_to_d(adap);
1534         int ret;
1535         struct si2157_config si2157_config;
1536
1537         dev_dbg(&d->udev->dev, "%s: adap->id=%d\n", __func__, adap->id);
1538
1539         /* I2C master bus 2 clock speed 300k */
1540         ret = af9035_wr_reg(d, 0x00f6a7, 0x07);
1541         if (ret < 0)
1542                 goto err;
1543
1544         /* I2C master bus 1,3 clock speed 300k */
1545         ret = af9035_wr_reg(d, 0x00f103, 0x07);
1546         if (ret < 0)
1547                 goto err;
1548
1549         /* set gpio11 low */
1550         ret = af9035_wr_reg_mask(d, 0xd8d4, 0x01, 0x01);
1551         if (ret < 0)
1552                 goto err;
1553
1554         ret = af9035_wr_reg_mask(d, 0xd8d5, 0x01, 0x01);
1555         if (ret < 0)
1556                 goto err;
1557
1558         ret = af9035_wr_reg_mask(d, 0xd8d3, 0x01, 0x01);
1559         if (ret < 0)
1560                 goto err;
1561
1562         /* Tuner enable using gpiot2_en, gpiot2_on and gpiot2_o (reset) */
1563         ret = af9035_wr_reg_mask(d, 0xd8b8, 0x01, 0x01);
1564         if (ret < 0)
1565                 goto err;
1566
1567         ret = af9035_wr_reg_mask(d, 0xd8b9, 0x01, 0x01);
1568         if (ret < 0)
1569                 goto err;
1570
1571         ret = af9035_wr_reg_mask(d, 0xd8b7, 0x00, 0x01);
1572         if (ret < 0)
1573                 goto err;
1574
1575         msleep(200);
1576
1577         ret = af9035_wr_reg_mask(d, 0xd8b7, 0x01, 0x01);
1578         if (ret < 0)
1579                 goto err;
1580
1581         memset(&si2157_config, 0, sizeof(si2157_config));
1582         si2157_config.fe = adap->fe[0];
1583         si2157_config.if_port = 1;
1584         ret = af9035_add_i2c_dev(d, "si2157", 0x63,
1585                         &si2157_config, state->i2c_adapter_demod);
1586
1587         if (ret)
1588                 goto err;
1589
1590         return 0;
1591
1592 err:
1593         dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
1594
1595         return ret;
1596 }
1597
1598
1599 static int it930x_tuner_detach(struct dvb_usb_adapter *adap)
1600 {
1601         struct state *state = adap_to_priv(adap);
1602         struct dvb_usb_device *d = adap_to_d(adap);
1603
1604         dev_dbg(&d->udev->dev, "adap->id=%d\n", adap->id);
1605
1606         if (adap->id == 1) {
1607                 if (state->i2c_client[3])
1608                         af9035_del_i2c_dev(d);
1609         } else if (adap->id == 0) {
1610                 if (state->i2c_client[1])
1611                         af9035_del_i2c_dev(d);
1612         }
1613
1614         return 0;
1615 }
1616
1617
1618 static int af9035_tuner_detach(struct dvb_usb_adapter *adap)
1619 {
1620         struct state *state = adap_to_priv(adap);
1621         struct dvb_usb_device *d = adap_to_d(adap);
1622
1623         dev_dbg(&d->udev->dev, "%s: adap->id=%d\n", __func__, adap->id);
1624
1625         switch (state->af9033_config[adap->id].tuner) {
1626         case AF9033_TUNER_TUA9001:
1627         case AF9033_TUNER_FC2580:
1628         case AF9033_TUNER_IT9135_38:
1629         case AF9033_TUNER_IT9135_51:
1630         case AF9033_TUNER_IT9135_52:
1631         case AF9033_TUNER_IT9135_60:
1632         case AF9033_TUNER_IT9135_61:
1633         case AF9033_TUNER_IT9135_62:
1634                 if (adap->id == 1) {
1635                         if (state->i2c_client[3])
1636                                 af9035_del_i2c_dev(d);
1637                 } else if (adap->id == 0) {
1638                         if (state->i2c_client[1])
1639                                 af9035_del_i2c_dev(d);
1640                 }
1641         }
1642
1643         return 0;
1644 }
1645
1646 static int af9035_init(struct dvb_usb_device *d)
1647 {
1648         struct state *state = d_to_priv(d);
1649         int ret, i;
1650         u16 frame_size = (d->udev->speed == USB_SPEED_FULL ? 5 : 87) * 188 / 4;
1651         u8 packet_size = (d->udev->speed == USB_SPEED_FULL ? 64 : 512) / 4;
1652         struct reg_val_mask tab[] = {
1653                 { 0x80f99d, 0x01, 0x01 },
1654                 { 0x80f9a4, 0x01, 0x01 },
1655                 { 0x00dd11, 0x00, 0x20 },
1656                 { 0x00dd11, 0x00, 0x40 },
1657                 { 0x00dd13, 0x00, 0x20 },
1658                 { 0x00dd13, 0x00, 0x40 },
1659                 { 0x00dd11, 0x20, 0x20 },
1660                 { 0x00dd88, (frame_size >> 0) & 0xff, 0xff},
1661                 { 0x00dd89, (frame_size >> 8) & 0xff, 0xff},
1662                 { 0x00dd0c, packet_size, 0xff},
1663                 { 0x00dd11, state->dual_mode << 6, 0x40 },
1664                 { 0x00dd8a, (frame_size >> 0) & 0xff, 0xff},
1665                 { 0x00dd8b, (frame_size >> 8) & 0xff, 0xff},
1666                 { 0x00dd0d, packet_size, 0xff },
1667                 { 0x80f9a3, state->dual_mode, 0x01 },
1668                 { 0x80f9cd, state->dual_mode, 0x01 },
1669                 { 0x80f99d, 0x00, 0x01 },
1670                 { 0x80f9a4, 0x00, 0x01 },
1671         };
1672
1673         dev_dbg(&d->udev->dev,
1674                         "%s: USB speed=%d frame_size=%04x packet_size=%02x\n",
1675                         __func__, d->udev->speed, frame_size, packet_size);
1676
1677         /* init endpoints */
1678         for (i = 0; i < ARRAY_SIZE(tab); i++) {
1679                 ret = af9035_wr_reg_mask(d, tab[i].reg, tab[i].val,
1680                                 tab[i].mask);
1681                 if (ret < 0)
1682                         goto err;
1683         }
1684
1685         return 0;
1686
1687 err:
1688         dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
1689
1690         return ret;
1691 }
1692
1693 static int it930x_init(struct dvb_usb_device *d)
1694 {
1695         struct state *state = d_to_priv(d);
1696         int ret, i;
1697         u16 frame_size = (d->udev->speed == USB_SPEED_FULL ? 5 : 816) * 188 / 4;
1698         u8 packet_size = (d->udev->speed == USB_SPEED_FULL ? 64 : 512) / 4;
1699         struct reg_val_mask tab[] = {
1700                 { 0x00da1a, 0x00, 0x01 }, /* ignore_sync_byte */
1701                 { 0x00f41f, 0x04, 0x04 }, /* dvbt_inten */
1702                 { 0x00da10, 0x00, 0x01 }, /* mpeg_full_speed */
1703                 { 0x00f41a, 0x01, 0x01 }, /* dvbt_en */
1704                 { 0x00da1d, 0x01, 0x01 }, /* mp2_sw_rst, reset EP4 */
1705                 { 0x00dd11, 0x00, 0x20 }, /* ep4_tx_en, disable EP4 */
1706                 { 0x00dd13, 0x00, 0x20 }, /* ep4_tx_nak, disable EP4 NAK */
1707                 { 0x00dd11, 0x20, 0x20 }, /* ep4_tx_en, enable EP4 */
1708                 { 0x00dd11, 0x00, 0x40 }, /* ep5_tx_en, disable EP5 */
1709                 { 0x00dd13, 0x00, 0x40 }, /* ep5_tx_nak, disable EP5 NAK */
1710                 { 0x00dd11, state->dual_mode << 6, 0x40 }, /* enable EP5 */
1711                 { 0x00dd88, (frame_size >> 0) & 0xff, 0xff},
1712                 { 0x00dd89, (frame_size >> 8) & 0xff, 0xff},
1713                 { 0x00dd0c, packet_size, 0xff},
1714                 { 0x00dd8a, (frame_size >> 0) & 0xff, 0xff},
1715                 { 0x00dd8b, (frame_size >> 8) & 0xff, 0xff},
1716                 { 0x00dd0d, packet_size, 0xff },
1717                 { 0x00da1d, 0x00, 0x01 }, /* mp2_sw_rst, disable */
1718                 { 0x00d833, 0x01, 0xff }, /* slew rate ctrl: slew rate boosts */
1719                 { 0x00d830, 0x00, 0xff }, /* Bit 0 of output driving control */
1720                 { 0x00d831, 0x01, 0xff }, /* Bit 1 of output driving control */
1721                 { 0x00d832, 0x00, 0xff }, /* Bit 2 of output driving control */
1722
1723                 /* suspend gpio1 for TS-C */
1724                 { 0x00d8b0, 0x01, 0xff }, /* gpio1 */
1725                 { 0x00d8b1, 0x01, 0xff }, /* gpio1 */
1726                 { 0x00d8af, 0x00, 0xff }, /* gpio1 */
1727
1728                 /* suspend gpio7 for TS-D */
1729                 { 0x00d8c4, 0x01, 0xff }, /* gpio7 */
1730                 { 0x00d8c5, 0x01, 0xff }, /* gpio7 */
1731                 { 0x00d8c3, 0x00, 0xff }, /* gpio7 */
1732
1733                 /* suspend gpio13 for TS-B */
1734                 { 0x00d8dc, 0x01, 0xff }, /* gpio13 */
1735                 { 0x00d8dd, 0x01, 0xff }, /* gpio13 */
1736                 { 0x00d8db, 0x00, 0xff }, /* gpio13 */
1737
1738                 /* suspend gpio14 for TS-E */
1739                 { 0x00d8e4, 0x01, 0xff }, /* gpio14 */
1740                 { 0x00d8e5, 0x01, 0xff }, /* gpio14 */
1741                 { 0x00d8e3, 0x00, 0xff }, /* gpio14 */
1742
1743                 /* suspend gpio15 for TS-A */
1744                 { 0x00d8e8, 0x01, 0xff }, /* gpio15 */
1745                 { 0x00d8e9, 0x01, 0xff }, /* gpio15 */
1746                 { 0x00d8e7, 0x00, 0xff }, /* gpio15 */
1747
1748                 { 0x00da58, 0x00, 0x01 }, /* ts_in_src, serial */
1749                 { 0x00da73, 0x01, 0xff }, /* ts0_aggre_mode */
1750                 { 0x00da78, 0x47, 0xff }, /* ts0_sync_byte */
1751                 { 0x00da4c, 0x01, 0xff }, /* ts0_en */
1752                 { 0x00da5a, 0x1f, 0xff }, /* ts_fail_ignore */
1753         };
1754
1755         dev_dbg(&d->udev->dev,
1756                         "%s: USB speed=%d frame_size=%04x packet_size=%02x\n",
1757                         __func__, d->udev->speed, frame_size, packet_size);
1758
1759         /* init endpoints */
1760         for (i = 0; i < ARRAY_SIZE(tab); i++) {
1761                 ret = af9035_wr_reg_mask(d, tab[i].reg,
1762                                 tab[i].val, tab[i].mask);
1763
1764                 if (ret < 0)
1765                         goto err;
1766         }
1767
1768         return 0;
1769 err:
1770         dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
1771
1772         return ret;
1773 }
1774
1775
1776 #if IS_ENABLED(CONFIG_RC_CORE)
1777 static int af9035_rc_query(struct dvb_usb_device *d)
1778 {
1779         int ret;
1780         u32 key;
1781         u8 buf[4];
1782         struct usb_req req = { CMD_IR_GET, 0, 0, NULL, 4, buf };
1783
1784         ret = af9035_ctrl_msg(d, &req);
1785         if (ret == 1)
1786                 return 0;
1787         else if (ret < 0)
1788                 goto err;
1789
1790         if ((buf[2] + buf[3]) == 0xff) {
1791                 if ((buf[0] + buf[1]) == 0xff) {
1792                         /* NEC standard 16bit */
1793                         key = RC_SCANCODE_NEC(buf[0], buf[2]);
1794                 } else {
1795                         /* NEC extended 24bit */
1796                         key = RC_SCANCODE_NECX(buf[0] << 8 | buf[1], buf[2]);
1797                 }
1798         } else {
1799                 /* NEC full code 32bit */
1800                 key = RC_SCANCODE_NEC32(buf[0] << 24 | buf[1] << 16 |
1801                                         buf[2] << 8  | buf[3]);
1802         }
1803
1804         dev_dbg(&d->udev->dev, "%s: %*ph\n", __func__, 4, buf);
1805
1806         rc_keydown(d->rc_dev, RC_TYPE_NEC, key, 0);
1807
1808         return 0;
1809
1810 err:
1811         dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
1812
1813         return ret;
1814 }
1815
1816 static int af9035_get_rc_config(struct dvb_usb_device *d, struct dvb_usb_rc *rc)
1817 {
1818         struct state *state = d_to_priv(d);
1819         int ret;
1820         u8 tmp;
1821
1822         ret = af9035_rd_reg(d, state->eeprom_addr + EEPROM_IR_MODE, &tmp);
1823         if (ret < 0)
1824                 goto err;
1825
1826         dev_dbg(&d->udev->dev, "%s: ir_mode=%02x\n", __func__, tmp);
1827
1828         /* don't activate rc if in HID mode or if not available */
1829         if (tmp == 5) {
1830                 ret = af9035_rd_reg(d, state->eeprom_addr + EEPROM_IR_TYPE,
1831                                 &tmp);
1832                 if (ret < 0)
1833                         goto err;
1834
1835                 dev_dbg(&d->udev->dev, "%s: ir_type=%02x\n", __func__, tmp);
1836
1837                 switch (tmp) {
1838                 case 0: /* NEC */
1839                 default:
1840                         rc->allowed_protos = RC_BIT_NEC;
1841                         break;
1842                 case 1: /* RC6 */
1843                         rc->allowed_protos = RC_BIT_RC6_MCE;
1844                         break;
1845                 }
1846
1847                 rc->query = af9035_rc_query;
1848                 rc->interval = 500;
1849
1850                 /* load empty to enable rc */
1851                 if (!rc->map_name)
1852                         rc->map_name = RC_MAP_EMPTY;
1853         }
1854
1855         return 0;
1856
1857 err:
1858         dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
1859
1860         return ret;
1861 }
1862 #else
1863         #define af9035_get_rc_config NULL
1864 #endif
1865
1866 static int af9035_get_stream_config(struct dvb_frontend *fe, u8 *ts_type,
1867                 struct usb_data_stream_properties *stream)
1868 {
1869         struct dvb_usb_device *d = fe_to_d(fe);
1870
1871         dev_dbg(&d->udev->dev, "%s: adap=%d\n", __func__, fe_to_adap(fe)->id);
1872
1873         if (d->udev->speed == USB_SPEED_FULL)
1874                 stream->u.bulk.buffersize = 5 * 188;
1875
1876         return 0;
1877 }
1878
1879 static int af9035_pid_filter_ctrl(struct dvb_usb_adapter *adap, int onoff)
1880 {
1881         struct state *state = adap_to_priv(adap);
1882
1883         return state->ops.pid_filter_ctrl(adap->fe[0], onoff);
1884 }
1885
1886 static int af9035_pid_filter(struct dvb_usb_adapter *adap, int index, u16 pid,
1887                 int onoff)
1888 {
1889         struct state *state = adap_to_priv(adap);
1890
1891         return state->ops.pid_filter(adap->fe[0], index, pid, onoff);
1892 }
1893
1894 static int af9035_probe(struct usb_interface *intf,
1895                 const struct usb_device_id *id)
1896 {
1897         struct usb_device *udev = interface_to_usbdev(intf);
1898         char manufacturer[sizeof("Afatech")];
1899
1900         memset(manufacturer, 0, sizeof(manufacturer));
1901         usb_string(udev, udev->descriptor.iManufacturer,
1902                         manufacturer, sizeof(manufacturer));
1903         /*
1904          * There is two devices having same ID but different chipset. One uses
1905          * AF9015 and the other IT9135 chipset. Only difference seen on lsusb
1906          * is iManufacturer string.
1907          *
1908          * idVendor           0x0ccd TerraTec Electronic GmbH
1909          * idProduct          0x0099
1910          * bcdDevice            2.00
1911          * iManufacturer           1 Afatech
1912          * iProduct                2 DVB-T 2
1913          *
1914          * idVendor           0x0ccd TerraTec Electronic GmbH
1915          * idProduct          0x0099
1916          * bcdDevice            2.00
1917          * iManufacturer           1 ITE Technologies, Inc.
1918          * iProduct                2 DVB-T TV Stick
1919          */
1920         if ((le16_to_cpu(udev->descriptor.idVendor) == USB_VID_TERRATEC) &&
1921                         (le16_to_cpu(udev->descriptor.idProduct) == 0x0099)) {
1922                 if (!strcmp("Afatech", manufacturer)) {
1923                         dev_dbg(&udev->dev, "%s: rejecting device\n", __func__);
1924                         return -ENODEV;
1925                 }
1926         }
1927
1928         return dvb_usbv2_probe(intf, id);
1929 }
1930
1931 /* interface 0 is used by DVB-T receiver and
1932    interface 1 is for remote controller (HID) */
1933 static const struct dvb_usb_device_properties af9035_props = {
1934         .driver_name = KBUILD_MODNAME,
1935         .owner = THIS_MODULE,
1936         .adapter_nr = adapter_nr,
1937         .size_of_priv = sizeof(struct state),
1938
1939         .generic_bulk_ctrl_endpoint = 0x02,
1940         .generic_bulk_ctrl_endpoint_response = 0x81,
1941
1942         .identify_state = af9035_identify_state,
1943         .download_firmware = af9035_download_firmware,
1944
1945         .i2c_algo = &af9035_i2c_algo,
1946         .read_config = af9035_read_config,
1947         .frontend_attach = af9035_frontend_attach,
1948         .frontend_detach = af9035_frontend_detach,
1949         .tuner_attach = af9035_tuner_attach,
1950         .tuner_detach = af9035_tuner_detach,
1951         .init = af9035_init,
1952         .get_rc_config = af9035_get_rc_config,
1953         .get_stream_config = af9035_get_stream_config,
1954
1955         .get_adapter_count = af9035_get_adapter_count,
1956         .adapter = {
1957                 {
1958                         .caps = DVB_USB_ADAP_HAS_PID_FILTER |
1959                                 DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
1960
1961                         .pid_filter_count = 32,
1962                         .pid_filter_ctrl = af9035_pid_filter_ctrl,
1963                         .pid_filter = af9035_pid_filter,
1964
1965                         .stream = DVB_USB_STREAM_BULK(0x84, 6, 87 * 188),
1966                 }, {
1967                         .caps = DVB_USB_ADAP_HAS_PID_FILTER |
1968                                 DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
1969
1970                         .pid_filter_count = 32,
1971                         .pid_filter_ctrl = af9035_pid_filter_ctrl,
1972                         .pid_filter = af9035_pid_filter,
1973
1974                         .stream = DVB_USB_STREAM_BULK(0x85, 6, 87 * 188),
1975                 },
1976         },
1977 };
1978
1979 static const struct dvb_usb_device_properties it930x_props = {
1980         .driver_name = KBUILD_MODNAME,
1981         .owner = THIS_MODULE,
1982         .adapter_nr = adapter_nr,
1983         .size_of_priv = sizeof(struct state),
1984
1985         .generic_bulk_ctrl_endpoint = 0x02,
1986         .generic_bulk_ctrl_endpoint_response = 0x81,
1987
1988         .identify_state = af9035_identify_state,
1989         .download_firmware = af9035_download_firmware,
1990
1991         .i2c_algo = &af9035_i2c_algo,
1992         .read_config = af9035_read_config,
1993         .frontend_attach = it930x_frontend_attach,
1994         .frontend_detach = af9035_frontend_detach,
1995         .tuner_attach = it930x_tuner_attach,
1996         .tuner_detach = it930x_tuner_detach,
1997         .init = it930x_init,
1998         .get_stream_config = af9035_get_stream_config,
1999
2000         .get_adapter_count = af9035_get_adapter_count,
2001         .adapter = {
2002                 {
2003                         .stream = DVB_USB_STREAM_BULK(0x84, 4, 816 * 188),
2004                 }, {
2005                         .stream = DVB_USB_STREAM_BULK(0x85, 4, 816 * 188),
2006                 },
2007         },
2008 };
2009
2010 static const struct usb_device_id af9035_id_table[] = {
2011         /* AF9035 devices */
2012         { DVB_USB_DEVICE(USB_VID_AFATECH, USB_PID_AFATECH_AF9035_9035,
2013                 &af9035_props, "Afatech AF9035 reference design", NULL) },
2014         { DVB_USB_DEVICE(USB_VID_AFATECH, USB_PID_AFATECH_AF9035_1000,
2015                 &af9035_props, "Afatech AF9035 reference design", NULL) },
2016         { DVB_USB_DEVICE(USB_VID_AFATECH, USB_PID_AFATECH_AF9035_1001,
2017                 &af9035_props, "Afatech AF9035 reference design", NULL) },
2018         { DVB_USB_DEVICE(USB_VID_AFATECH, USB_PID_AFATECH_AF9035_1002,
2019                 &af9035_props, "Afatech AF9035 reference design", NULL) },
2020         { DVB_USB_DEVICE(USB_VID_AFATECH, USB_PID_AFATECH_AF9035_1003,
2021                 &af9035_props, "Afatech AF9035 reference design", NULL) },
2022         { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_CINERGY_T_STICK,
2023                 &af9035_props, "TerraTec Cinergy T Stick", NULL) },
2024         { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_A835,
2025                 &af9035_props, "AVerMedia AVerTV Volar HD/PRO (A835)", NULL) },
2026         { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_B835,
2027                 &af9035_props, "AVerMedia AVerTV Volar HD/PRO (A835)", NULL) },
2028         { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_1867,
2029                 &af9035_props, "AVerMedia HD Volar (A867)", NULL) },
2030         { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_A867,
2031                 &af9035_props, "AVerMedia HD Volar (A867)", NULL) },
2032         { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_TWINSTAR,
2033                 &af9035_props, "AVerMedia Twinstar (A825)", NULL) },
2034         { DVB_USB_DEVICE(USB_VID_ASUS, USB_PID_ASUS_U3100MINI_PLUS,
2035                 &af9035_props, "Asus U3100Mini Plus", NULL) },
2036         { DVB_USB_DEVICE(USB_VID_TERRATEC, 0x00aa,
2037                 &af9035_props, "TerraTec Cinergy T Stick (rev. 2)", NULL) },
2038         { DVB_USB_DEVICE(USB_VID_AVERMEDIA, 0x0337,
2039                 &af9035_props, "AVerMedia HD Volar (A867)", NULL) },
2040
2041         /* IT9135 devices */
2042         { DVB_USB_DEVICE(USB_VID_ITETECH, USB_PID_ITETECH_IT9135,
2043                 &af9035_props, "ITE 9135 Generic", RC_MAP_IT913X_V1) },
2044         { DVB_USB_DEVICE(USB_VID_ITETECH, USB_PID_ITETECH_IT9135_9005,
2045                 &af9035_props, "ITE 9135(9005) Generic", RC_MAP_IT913X_V2) },
2046         { DVB_USB_DEVICE(USB_VID_ITETECH, USB_PID_ITETECH_IT9135_9006,
2047                 &af9035_props, "ITE 9135(9006) Generic", RC_MAP_IT913X_V1) },
2048         { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_A835B_1835,
2049                 &af9035_props, "Avermedia A835B(1835)", RC_MAP_IT913X_V2) },
2050         { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_A835B_2835,
2051                 &af9035_props, "Avermedia A835B(2835)", RC_MAP_IT913X_V2) },
2052         { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_A835B_3835,
2053                 &af9035_props, "Avermedia A835B(3835)", RC_MAP_IT913X_V2) },
2054         { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_A835B_4835,
2055                 &af9035_props, "Avermedia A835B(4835)", RC_MAP_IT913X_V2) },
2056         { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_H335,
2057                 &af9035_props, "Avermedia H335", RC_MAP_IT913X_V2) },
2058         { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_KWORLD_UB499_2T_T09,
2059                 &af9035_props, "Kworld UB499-2T T09", RC_MAP_IT913X_V1) },
2060         { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_SVEON_STV22_IT9137,
2061                 &af9035_props, "Sveon STV22 Dual DVB-T HDTV",
2062                                                         RC_MAP_IT913X_V1) },
2063         { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_CTVDIGDUAL_V2,
2064                 &af9035_props, "Digital Dual TV Receiver CTVDIGDUAL_V2",
2065                                                         RC_MAP_IT913X_V1) },
2066         /* XXX: that same ID [0ccd:0099] is used by af9015 driver too */
2067         { DVB_USB_DEVICE(USB_VID_TERRATEC, 0x0099,
2068                 &af9035_props, "TerraTec Cinergy T Stick Dual RC (rev. 2)",
2069                 NULL) },
2070         { DVB_USB_DEVICE(USB_VID_LEADTEK, 0x6a05,
2071                 &af9035_props, "Leadtek WinFast DTV Dongle Dual", NULL) },
2072         { DVB_USB_DEVICE(USB_VID_HAUPPAUGE, 0xf900,
2073                 &af9035_props, "Hauppauge WinTV-MiniStick 2", NULL) },
2074         { DVB_USB_DEVICE(USB_VID_PCTV, USB_PID_PCTV_78E,
2075                 &af9035_props, "PCTV AndroiDTV (78e)", RC_MAP_IT913X_V1) },
2076         { DVB_USB_DEVICE(USB_VID_PCTV, USB_PID_PCTV_79E,
2077                 &af9035_props, "PCTV microStick (79e)", RC_MAP_IT913X_V2) },
2078
2079         /* IT930x devices */
2080         { DVB_USB_DEVICE(USB_VID_ITETECH, USB_PID_ITETECH_IT9303,
2081                 &it930x_props, "ITE 9303 Generic", NULL) },
2082         { }
2083 };
2084 MODULE_DEVICE_TABLE(usb, af9035_id_table);
2085
2086 static struct usb_driver af9035_usb_driver = {
2087         .name = KBUILD_MODNAME,
2088         .id_table = af9035_id_table,
2089         .probe = af9035_probe,
2090         .disconnect = dvb_usbv2_disconnect,
2091         .suspend = dvb_usbv2_suspend,
2092         .resume = dvb_usbv2_resume,
2093         .reset_resume = dvb_usbv2_reset_resume,
2094         .no_dynamic_id = 1,
2095         .soft_unbind = 1,
2096 };
2097
2098 module_usb_driver(af9035_usb_driver);
2099
2100 MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
2101 MODULE_DESCRIPTION("Afatech AF9035 driver");
2102 MODULE_LICENSE("GPL");
2103 MODULE_FIRMWARE(AF9035_FIRMWARE_AF9035);
2104 MODULE_FIRMWARE(AF9035_FIRMWARE_IT9135_V1);
2105 MODULE_FIRMWARE(AF9035_FIRMWARE_IT9135_V2);
2106 MODULE_FIRMWARE(AF9035_FIRMWARE_IT9303);