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