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 struct tua9001_config af9035_tua9001_config = {
1238         .i2c_addr = 0x60,
1239 };
1240
1241 static const struct fc0011_config af9035_fc0011_config = {
1242         .i2c_address = 0x60,
1243 };
1244
1245 static struct mxl5007t_config af9035_mxl5007t_config[] = {
1246         {
1247                 .xtal_freq_hz = MxL_XTAL_24_MHZ,
1248                 .if_freq_hz = MxL_IF_4_57_MHZ,
1249                 .invert_if = 0,
1250                 .loop_thru_enable = 0,
1251                 .clk_out_enable = 0,
1252                 .clk_out_amp = MxL_CLKOUT_AMP_0_94V,
1253         }, {
1254                 .xtal_freq_hz = MxL_XTAL_24_MHZ,
1255                 .if_freq_hz = MxL_IF_4_57_MHZ,
1256                 .invert_if = 0,
1257                 .loop_thru_enable = 1,
1258                 .clk_out_enable = 1,
1259                 .clk_out_amp = MxL_CLKOUT_AMP_0_94V,
1260         }
1261 };
1262
1263 static struct tda18218_config af9035_tda18218_config = {
1264         .i2c_address = 0x60,
1265         .i2c_wr_max = 21,
1266 };
1267
1268 static const struct fc2580_config af9035_fc2580_config = {
1269         .i2c_addr = 0x56,
1270         .clock = 16384000,
1271 };
1272
1273 static const struct fc0012_config af9035_fc0012_config[] = {
1274         {
1275                 .i2c_address = 0x63,
1276                 .xtal_freq = FC_XTAL_36_MHZ,
1277                 .dual_master = true,
1278                 .loop_through = true,
1279                 .clock_out = true,
1280         }, {
1281                 .i2c_address = 0x63 | 0x80, /* I2C bus select hack */
1282                 .xtal_freq = FC_XTAL_36_MHZ,
1283                 .dual_master = true,
1284         }
1285 };
1286
1287 static int af9035_tuner_attach(struct dvb_usb_adapter *adap)
1288 {
1289         struct state *state = adap_to_priv(adap);
1290         struct dvb_usb_device *d = adap_to_d(adap);
1291         int ret;
1292         struct dvb_frontend *fe;
1293         struct i2c_msg msg[1];
1294         u8 tuner_addr;
1295
1296         dev_dbg(&d->udev->dev, "%s: adap->id=%d\n", __func__, adap->id);
1297
1298         /*
1299          * XXX: Hack used in that function: we abuse unused I2C address bit [7]
1300          * to carry info about used I2C bus for dual tuner configuration.
1301          */
1302
1303         switch (state->af9033_config[adap->id].tuner) {
1304         case AF9033_TUNER_TUA9001:
1305                 /* AF9035 gpiot3 = TUA9001 RESETN
1306                    AF9035 gpiot2 = TUA9001 RXEN */
1307
1308                 /* configure gpiot2 and gpiot2 as output */
1309                 ret = af9035_wr_reg_mask(d, 0x00d8ec, 0x01, 0x01);
1310                 if (ret < 0)
1311                         goto err;
1312
1313                 ret = af9035_wr_reg_mask(d, 0x00d8ed, 0x01, 0x01);
1314                 if (ret < 0)
1315                         goto err;
1316
1317                 ret = af9035_wr_reg_mask(d, 0x00d8e8, 0x01, 0x01);
1318                 if (ret < 0)
1319                         goto err;
1320
1321                 ret = af9035_wr_reg_mask(d, 0x00d8e9, 0x01, 0x01);
1322                 if (ret < 0)
1323                         goto err;
1324
1325                 /* attach tuner */
1326                 fe = dvb_attach(tua9001_attach, adap->fe[0],
1327                                 &d->i2c_adap, &af9035_tua9001_config);
1328                 break;
1329         case AF9033_TUNER_FC0011:
1330                 fe = dvb_attach(fc0011_attach, adap->fe[0],
1331                                 &d->i2c_adap, &af9035_fc0011_config);
1332                 break;
1333         case AF9033_TUNER_MXL5007T:
1334                 if (adap->id == 0) {
1335                         ret = af9035_wr_reg(d, 0x00d8e0, 1);
1336                         if (ret < 0)
1337                                 goto err;
1338
1339                         ret = af9035_wr_reg(d, 0x00d8e1, 1);
1340                         if (ret < 0)
1341                                 goto err;
1342
1343                         ret = af9035_wr_reg(d, 0x00d8df, 0);
1344                         if (ret < 0)
1345                                 goto err;
1346
1347                         msleep(30);
1348
1349                         ret = af9035_wr_reg(d, 0x00d8df, 1);
1350                         if (ret < 0)
1351                                 goto err;
1352
1353                         msleep(300);
1354
1355                         ret = af9035_wr_reg(d, 0x00d8c0, 1);
1356                         if (ret < 0)
1357                                 goto err;
1358
1359                         ret = af9035_wr_reg(d, 0x00d8c1, 1);
1360                         if (ret < 0)
1361                                 goto err;
1362
1363                         ret = af9035_wr_reg(d, 0x00d8bf, 0);
1364                         if (ret < 0)
1365                                 goto err;
1366
1367                         ret = af9035_wr_reg(d, 0x00d8b4, 1);
1368                         if (ret < 0)
1369                                 goto err;
1370
1371                         ret = af9035_wr_reg(d, 0x00d8b5, 1);
1372                         if (ret < 0)
1373                                 goto err;
1374
1375                         ret = af9035_wr_reg(d, 0x00d8b3, 1);
1376                         if (ret < 0)
1377                                 goto err;
1378
1379                         tuner_addr = 0x60;
1380                 } else {
1381                         tuner_addr = 0x60 | 0x80; /* I2C bus hack */
1382                 }
1383
1384                 /* attach tuner */
1385                 fe = dvb_attach(mxl5007t_attach, adap->fe[0], &d->i2c_adap,
1386                                 tuner_addr, &af9035_mxl5007t_config[adap->id]);
1387                 break;
1388         case AF9033_TUNER_TDA18218:
1389                 /* attach tuner */
1390                 fe = dvb_attach(tda18218_attach, adap->fe[0],
1391                                 &d->i2c_adap, &af9035_tda18218_config);
1392                 break;
1393         case AF9033_TUNER_FC2580:
1394                 /* Tuner enable using gpiot2_o, gpiot2_en and gpiot2_on  */
1395                 ret = af9035_wr_reg_mask(d, 0xd8eb, 0x01, 0x01);
1396                 if (ret < 0)
1397                         goto err;
1398
1399                 ret = af9035_wr_reg_mask(d, 0xd8ec, 0x01, 0x01);
1400                 if (ret < 0)
1401                         goto err;
1402
1403                 ret = af9035_wr_reg_mask(d, 0xd8ed, 0x01, 0x01);
1404                 if (ret < 0)
1405                         goto err;
1406
1407                 usleep_range(10000, 50000);
1408                 /* attach tuner */
1409                 fe = dvb_attach(fc2580_attach, adap->fe[0],
1410                                 &d->i2c_adap, &af9035_fc2580_config);
1411                 break;
1412         case AF9033_TUNER_FC0012:
1413                 /*
1414                  * AF9035 gpiot2 = FC0012 enable
1415                  * XXX: there seems to be something on gpioh8 too, but on my
1416                  * my test I didn't find any difference.
1417                  */
1418
1419                 if (adap->id == 0) {
1420                         /* configure gpiot2 as output and high */
1421                         ret = af9035_wr_reg_mask(d, 0xd8eb, 0x01, 0x01);
1422                         if (ret < 0)
1423                                 goto err;
1424
1425                         ret = af9035_wr_reg_mask(d, 0xd8ec, 0x01, 0x01);
1426                         if (ret < 0)
1427                                 goto err;
1428
1429                         ret = af9035_wr_reg_mask(d, 0xd8ed, 0x01, 0x01);
1430                         if (ret < 0)
1431                                 goto err;
1432                 } else {
1433                         /*
1434                          * FIXME: That belongs for the FC0012 driver.
1435                          * Write 02 to FC0012 master tuner register 0d directly
1436                          * in order to make slave tuner working.
1437                          */
1438                         msg[0].addr = 0x63;
1439                         msg[0].flags = 0;
1440                         msg[0].len = 2;
1441                         msg[0].buf = "\x0d\x02";
1442                         ret = i2c_transfer(&d->i2c_adap, msg, 1);
1443                         if (ret < 0)
1444                                 goto err;
1445                 }
1446
1447                 usleep_range(10000, 50000);
1448
1449                 fe = dvb_attach(fc0012_attach, adap->fe[0], &d->i2c_adap,
1450                                 &af9035_fc0012_config[adap->id]);
1451                 break;
1452         case AF9033_TUNER_IT9135_38:
1453         case AF9033_TUNER_IT9135_51:
1454         case AF9033_TUNER_IT9135_52:
1455         {
1456                 struct it913x_config it913x_config = {
1457                         .fe = adap->fe[0],
1458                         .chip_ver = 1,
1459                 };
1460
1461                 if (state->dual_mode) {
1462                         if (adap->id == 0)
1463                                 it913x_config.role = IT913X_ROLE_DUAL_MASTER;
1464                         else
1465                                 it913x_config.role = IT913X_ROLE_DUAL_SLAVE;
1466                 }
1467
1468                 ret = af9035_add_i2c_dev(d, "it913x",
1469                                 state->af9033_i2c_addr[adap->id] >> 1,
1470                                 &it913x_config, &d->i2c_adap);
1471                 if (ret)
1472                         goto err;
1473
1474                 fe = adap->fe[0];
1475                 break;
1476         }
1477         case AF9033_TUNER_IT9135_60:
1478         case AF9033_TUNER_IT9135_61:
1479         case AF9033_TUNER_IT9135_62:
1480         {
1481                 struct it913x_config it913x_config = {
1482                         .fe = adap->fe[0],
1483                         .chip_ver = 2,
1484                 };
1485
1486                 if (state->dual_mode) {
1487                         if (adap->id == 0)
1488                                 it913x_config.role = IT913X_ROLE_DUAL_MASTER;
1489                         else
1490                                 it913x_config.role = IT913X_ROLE_DUAL_SLAVE;
1491                 }
1492
1493                 ret = af9035_add_i2c_dev(d, "it913x",
1494                                 state->af9033_i2c_addr[adap->id] >> 1,
1495                                 &it913x_config, &d->i2c_adap);
1496                 if (ret)
1497                         goto err;
1498
1499                 fe = adap->fe[0];
1500                 break;
1501         }
1502         default:
1503                 fe = NULL;
1504         }
1505
1506         if (fe == NULL) {
1507                 ret = -ENODEV;
1508                 goto err;
1509         }
1510
1511         return 0;
1512
1513 err:
1514         dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
1515
1516         return ret;
1517 }
1518
1519 static int it930x_tuner_attach(struct dvb_usb_adapter *adap)
1520 {
1521         struct state *state = adap_to_priv(adap);
1522         struct dvb_usb_device *d = adap_to_d(adap);
1523         int ret;
1524         struct si2157_config si2157_config;
1525
1526         dev_dbg(&d->udev->dev, "%s: adap->id=%d\n", __func__, adap->id);
1527
1528         /* I2C master bus 2 clock speed 300k */
1529         ret = af9035_wr_reg(d, 0x00f6a7, 0x07);
1530         if (ret < 0)
1531                 goto err;
1532
1533         /* I2C master bus 1,3 clock speed 300k */
1534         ret = af9035_wr_reg(d, 0x00f103, 0x07);
1535         if (ret < 0)
1536                 goto err;
1537
1538         /* set gpio11 low */
1539         ret = af9035_wr_reg_mask(d, 0xd8d4, 0x01, 0x01);
1540         if (ret < 0)
1541                 goto err;
1542
1543         ret = af9035_wr_reg_mask(d, 0xd8d5, 0x01, 0x01);
1544         if (ret < 0)
1545                 goto err;
1546
1547         ret = af9035_wr_reg_mask(d, 0xd8d3, 0x01, 0x01);
1548         if (ret < 0)
1549                 goto err;
1550
1551         /* Tuner enable using gpiot2_en, gpiot2_on and gpiot2_o (reset) */
1552         ret = af9035_wr_reg_mask(d, 0xd8b8, 0x01, 0x01);
1553         if (ret < 0)
1554                 goto err;
1555
1556         ret = af9035_wr_reg_mask(d, 0xd8b9, 0x01, 0x01);
1557         if (ret < 0)
1558                 goto err;
1559
1560         ret = af9035_wr_reg_mask(d, 0xd8b7, 0x00, 0x01);
1561         if (ret < 0)
1562                 goto err;
1563
1564         msleep(200);
1565
1566         ret = af9035_wr_reg_mask(d, 0xd8b7, 0x01, 0x01);
1567         if (ret < 0)
1568                 goto err;
1569
1570         memset(&si2157_config, 0, sizeof(si2157_config));
1571         si2157_config.fe = adap->fe[0];
1572         ret = af9035_add_i2c_dev(d, "si2157", 0x63,
1573                         &si2157_config, state->i2c_adapter_demod);
1574
1575         if (ret)
1576                 goto err;
1577
1578         return 0;
1579
1580 err:
1581         dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
1582
1583         return ret;
1584 }
1585
1586
1587 static int it930x_tuner_detach(struct dvb_usb_adapter *adap)
1588 {
1589         struct state *state = adap_to_priv(adap);
1590         struct dvb_usb_device *d = adap_to_d(adap);
1591
1592         dev_dbg(&d->udev->dev, "adap->id=%d\n", adap->id);
1593
1594         if (adap->id == 1) {
1595                 if (state->i2c_client[3])
1596                         af9035_del_i2c_dev(d);
1597         } else if (adap->id == 0) {
1598                 if (state->i2c_client[1])
1599                         af9035_del_i2c_dev(d);
1600         }
1601
1602         return 0;
1603 }
1604
1605
1606 static int af9035_tuner_detach(struct dvb_usb_adapter *adap)
1607 {
1608         struct state *state = adap_to_priv(adap);
1609         struct dvb_usb_device *d = adap_to_d(adap);
1610
1611         dev_dbg(&d->udev->dev, "%s: adap->id=%d\n", __func__, adap->id);
1612
1613         switch (state->af9033_config[adap->id].tuner) {
1614         case AF9033_TUNER_IT9135_38:
1615         case AF9033_TUNER_IT9135_51:
1616         case AF9033_TUNER_IT9135_52:
1617         case AF9033_TUNER_IT9135_60:
1618         case AF9033_TUNER_IT9135_61:
1619         case AF9033_TUNER_IT9135_62:
1620                 if (adap->id == 1) {
1621                         if (state->i2c_client[3])
1622                                 af9035_del_i2c_dev(d);
1623                 } else if (adap->id == 0) {
1624                         if (state->i2c_client[1])
1625                                 af9035_del_i2c_dev(d);
1626                 }
1627         }
1628
1629         return 0;
1630 }
1631
1632 static int af9035_init(struct dvb_usb_device *d)
1633 {
1634         struct state *state = d_to_priv(d);
1635         int ret, i;
1636         u16 frame_size = (d->udev->speed == USB_SPEED_FULL ? 5 : 87) * 188 / 4;
1637         u8 packet_size = (d->udev->speed == USB_SPEED_FULL ? 64 : 512) / 4;
1638         struct reg_val_mask tab[] = {
1639                 { 0x80f99d, 0x01, 0x01 },
1640                 { 0x80f9a4, 0x01, 0x01 },
1641                 { 0x00dd11, 0x00, 0x20 },
1642                 { 0x00dd11, 0x00, 0x40 },
1643                 { 0x00dd13, 0x00, 0x20 },
1644                 { 0x00dd13, 0x00, 0x40 },
1645                 { 0x00dd11, 0x20, 0x20 },
1646                 { 0x00dd88, (frame_size >> 0) & 0xff, 0xff},
1647                 { 0x00dd89, (frame_size >> 8) & 0xff, 0xff},
1648                 { 0x00dd0c, packet_size, 0xff},
1649                 { 0x00dd11, state->dual_mode << 6, 0x40 },
1650                 { 0x00dd8a, (frame_size >> 0) & 0xff, 0xff},
1651                 { 0x00dd8b, (frame_size >> 8) & 0xff, 0xff},
1652                 { 0x00dd0d, packet_size, 0xff },
1653                 { 0x80f9a3, state->dual_mode, 0x01 },
1654                 { 0x80f9cd, state->dual_mode, 0x01 },
1655                 { 0x80f99d, 0x00, 0x01 },
1656                 { 0x80f9a4, 0x00, 0x01 },
1657         };
1658
1659         dev_dbg(&d->udev->dev,
1660                         "%s: USB speed=%d frame_size=%04x packet_size=%02x\n",
1661                         __func__, d->udev->speed, frame_size, packet_size);
1662
1663         /* init endpoints */
1664         for (i = 0; i < ARRAY_SIZE(tab); i++) {
1665                 ret = af9035_wr_reg_mask(d, tab[i].reg, tab[i].val,
1666                                 tab[i].mask);
1667                 if (ret < 0)
1668                         goto err;
1669         }
1670
1671         return 0;
1672
1673 err:
1674         dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
1675
1676         return ret;
1677 }
1678
1679 static int it930x_init(struct dvb_usb_device *d)
1680 {
1681         struct state *state = d_to_priv(d);
1682         int ret, i;
1683         u16 frame_size = (d->udev->speed == USB_SPEED_FULL ? 5 : 816) * 188 / 4;
1684         u8 packet_size = (d->udev->speed == USB_SPEED_FULL ? 64 : 512) / 4;
1685         struct reg_val_mask tab[] = {
1686                 { 0x00da1a, 0x00, 0x01 }, /* ignore_sync_byte */
1687                 { 0x00f41f, 0x04, 0x04 }, /* dvbt_inten */
1688                 { 0x00da10, 0x00, 0x01 }, /* mpeg_full_speed */
1689                 { 0x00f41a, 0x01, 0x01 }, /* dvbt_en */
1690                 { 0x00da1d, 0x01, 0x01 }, /* mp2_sw_rst, reset EP4 */
1691                 { 0x00dd11, 0x00, 0x20 }, /* ep4_tx_en, disable EP4 */
1692                 { 0x00dd13, 0x00, 0x20 }, /* ep4_tx_nak, disable EP4 NAK */
1693                 { 0x00dd11, 0x20, 0x20 }, /* ep4_tx_en, enable EP4 */
1694                 { 0x00dd11, 0x00, 0x40 }, /* ep5_tx_en, disable EP5 */
1695                 { 0x00dd13, 0x00, 0x40 }, /* ep5_tx_nak, disable EP5 NAK */
1696                 { 0x00dd11, state->dual_mode << 6, 0x40 }, /* enable EP5 */
1697                 { 0x00dd88, (frame_size >> 0) & 0xff, 0xff},
1698                 { 0x00dd89, (frame_size >> 8) & 0xff, 0xff},
1699                 { 0x00dd0c, packet_size, 0xff},
1700                 { 0x00dd8a, (frame_size >> 0) & 0xff, 0xff},
1701                 { 0x00dd8b, (frame_size >> 8) & 0xff, 0xff},
1702                 { 0x00dd0d, packet_size, 0xff },
1703                 { 0x00da1d, 0x00, 0x01 }, /* mp2_sw_rst, disable */
1704                 { 0x00d833, 0x01, 0xff }, /* slew rate ctrl: slew rate boosts */
1705                 { 0x00d830, 0x00, 0xff }, /* Bit 0 of output driving control */
1706                 { 0x00d831, 0x01, 0xff }, /* Bit 1 of output driving control */
1707                 { 0x00d832, 0x00, 0xff }, /* Bit 2 of output driving control */
1708
1709                 /* suspend gpio1 for TS-C */
1710                 { 0x00d8b0, 0x01, 0xff }, /* gpio1 */
1711                 { 0x00d8b1, 0x01, 0xff }, /* gpio1 */
1712                 { 0x00d8af, 0x00, 0xff }, /* gpio1 */
1713
1714                 /* suspend gpio7 for TS-D */
1715                 { 0x00d8c4, 0x01, 0xff }, /* gpio7 */
1716                 { 0x00d8c5, 0x01, 0xff }, /* gpio7 */
1717                 { 0x00d8c3, 0x00, 0xff }, /* gpio7 */
1718
1719                 /* suspend gpio13 for TS-B */
1720                 { 0x00d8dc, 0x01, 0xff }, /* gpio13 */
1721                 { 0x00d8dd, 0x01, 0xff }, /* gpio13 */
1722                 { 0x00d8db, 0x00, 0xff }, /* gpio13 */
1723
1724                 /* suspend gpio14 for TS-E */
1725                 { 0x00d8e4, 0x01, 0xff }, /* gpio14 */
1726                 { 0x00d8e5, 0x01, 0xff }, /* gpio14 */
1727                 { 0x00d8e3, 0x00, 0xff }, /* gpio14 */
1728
1729                 /* suspend gpio15 for TS-A */
1730                 { 0x00d8e8, 0x01, 0xff }, /* gpio15 */
1731                 { 0x00d8e9, 0x01, 0xff }, /* gpio15 */
1732                 { 0x00d8e7, 0x00, 0xff }, /* gpio15 */
1733
1734                 { 0x00da58, 0x00, 0x01 }, /* ts_in_src, serial */
1735                 { 0x00da73, 0x01, 0xff }, /* ts0_aggre_mode */
1736                 { 0x00da78, 0x47, 0xff }, /* ts0_sync_byte */
1737                 { 0x00da4c, 0x01, 0xff }, /* ts0_en */
1738                 { 0x00da5a, 0x1f, 0xff }, /* ts_fail_ignore */
1739         };
1740
1741         dev_dbg(&d->udev->dev,
1742                         "%s: USB speed=%d frame_size=%04x packet_size=%02x\n",
1743                         __func__, d->udev->speed, frame_size, packet_size);
1744
1745         /* init endpoints */
1746         for (i = 0; i < ARRAY_SIZE(tab); i++) {
1747                 ret = af9035_wr_reg_mask(d, tab[i].reg,
1748                                 tab[i].val, tab[i].mask);
1749
1750                 if (ret < 0)
1751                         goto err;
1752         }
1753
1754         return 0;
1755 err:
1756         dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
1757
1758         return ret;
1759 }
1760
1761
1762 #if IS_ENABLED(CONFIG_RC_CORE)
1763 static int af9035_rc_query(struct dvb_usb_device *d)
1764 {
1765         int ret;
1766         u32 key;
1767         u8 buf[4];
1768         struct usb_req req = { CMD_IR_GET, 0, 0, NULL, 4, buf };
1769
1770         ret = af9035_ctrl_msg(d, &req);
1771         if (ret == 1)
1772                 return 0;
1773         else if (ret < 0)
1774                 goto err;
1775
1776         if ((buf[2] + buf[3]) == 0xff) {
1777                 if ((buf[0] + buf[1]) == 0xff) {
1778                         /* NEC standard 16bit */
1779                         key = RC_SCANCODE_NEC(buf[0], buf[2]);
1780                 } else {
1781                         /* NEC extended 24bit */
1782                         key = RC_SCANCODE_NECX(buf[0] << 8 | buf[1], buf[2]);
1783                 }
1784         } else {
1785                 /* NEC full code 32bit */
1786                 key = RC_SCANCODE_NEC32(buf[0] << 24 | buf[1] << 16 |
1787                                         buf[2] << 8  | buf[3]);
1788         }
1789
1790         dev_dbg(&d->udev->dev, "%s: %*ph\n", __func__, 4, buf);
1791
1792         rc_keydown(d->rc_dev, RC_TYPE_NEC, key, 0);
1793
1794         return 0;
1795
1796 err:
1797         dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
1798
1799         return ret;
1800 }
1801
1802 static int af9035_get_rc_config(struct dvb_usb_device *d, struct dvb_usb_rc *rc)
1803 {
1804         struct state *state = d_to_priv(d);
1805         int ret;
1806         u8 tmp;
1807
1808         ret = af9035_rd_reg(d, state->eeprom_addr + EEPROM_IR_MODE, &tmp);
1809         if (ret < 0)
1810                 goto err;
1811
1812         dev_dbg(&d->udev->dev, "%s: ir_mode=%02x\n", __func__, tmp);
1813
1814         /* don't activate rc if in HID mode or if not available */
1815         if (tmp == 5) {
1816                 ret = af9035_rd_reg(d, state->eeprom_addr + EEPROM_IR_TYPE,
1817                                 &tmp);
1818                 if (ret < 0)
1819                         goto err;
1820
1821                 dev_dbg(&d->udev->dev, "%s: ir_type=%02x\n", __func__, tmp);
1822
1823                 switch (tmp) {
1824                 case 0: /* NEC */
1825                 default:
1826                         rc->allowed_protos = RC_BIT_NEC;
1827                         break;
1828                 case 1: /* RC6 */
1829                         rc->allowed_protos = RC_BIT_RC6_MCE;
1830                         break;
1831                 }
1832
1833                 rc->query = af9035_rc_query;
1834                 rc->interval = 500;
1835
1836                 /* load empty to enable rc */
1837                 if (!rc->map_name)
1838                         rc->map_name = RC_MAP_EMPTY;
1839         }
1840
1841         return 0;
1842
1843 err:
1844         dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
1845
1846         return ret;
1847 }
1848 #else
1849         #define af9035_get_rc_config NULL
1850 #endif
1851
1852 static int af9035_get_stream_config(struct dvb_frontend *fe, u8 *ts_type,
1853                 struct usb_data_stream_properties *stream)
1854 {
1855         struct dvb_usb_device *d = fe_to_d(fe);
1856
1857         dev_dbg(&d->udev->dev, "%s: adap=%d\n", __func__, fe_to_adap(fe)->id);
1858
1859         if (d->udev->speed == USB_SPEED_FULL)
1860                 stream->u.bulk.buffersize = 5 * 188;
1861
1862         return 0;
1863 }
1864
1865 static int af9035_pid_filter_ctrl(struct dvb_usb_adapter *adap, int onoff)
1866 {
1867         struct state *state = adap_to_priv(adap);
1868
1869         return state->ops.pid_filter_ctrl(adap->fe[0], onoff);
1870 }
1871
1872 static int af9035_pid_filter(struct dvb_usb_adapter *adap, int index, u16 pid,
1873                 int onoff)
1874 {
1875         struct state *state = adap_to_priv(adap);
1876
1877         return state->ops.pid_filter(adap->fe[0], index, pid, onoff);
1878 }
1879
1880 static int af9035_probe(struct usb_interface *intf,
1881                 const struct usb_device_id *id)
1882 {
1883         struct usb_device *udev = interface_to_usbdev(intf);
1884         char manufacturer[sizeof("Afatech")];
1885
1886         memset(manufacturer, 0, sizeof(manufacturer));
1887         usb_string(udev, udev->descriptor.iManufacturer,
1888                         manufacturer, sizeof(manufacturer));
1889         /*
1890          * There is two devices having same ID but different chipset. One uses
1891          * AF9015 and the other IT9135 chipset. Only difference seen on lsusb
1892          * is iManufacturer string.
1893          *
1894          * idVendor           0x0ccd TerraTec Electronic GmbH
1895          * idProduct          0x0099
1896          * bcdDevice            2.00
1897          * iManufacturer           1 Afatech
1898          * iProduct                2 DVB-T 2
1899          *
1900          * idVendor           0x0ccd TerraTec Electronic GmbH
1901          * idProduct          0x0099
1902          * bcdDevice            2.00
1903          * iManufacturer           1 ITE Technologies, Inc.
1904          * iProduct                2 DVB-T TV Stick
1905          */
1906         if ((le16_to_cpu(udev->descriptor.idVendor) == USB_VID_TERRATEC) &&
1907                         (le16_to_cpu(udev->descriptor.idProduct) == 0x0099)) {
1908                 if (!strcmp("Afatech", manufacturer)) {
1909                         dev_dbg(&udev->dev, "%s: rejecting device\n", __func__);
1910                         return -ENODEV;
1911                 }
1912         }
1913
1914         return dvb_usbv2_probe(intf, id);
1915 }
1916
1917 /* interface 0 is used by DVB-T receiver and
1918    interface 1 is for remote controller (HID) */
1919 static const struct dvb_usb_device_properties af9035_props = {
1920         .driver_name = KBUILD_MODNAME,
1921         .owner = THIS_MODULE,
1922         .adapter_nr = adapter_nr,
1923         .size_of_priv = sizeof(struct state),
1924
1925         .generic_bulk_ctrl_endpoint = 0x02,
1926         .generic_bulk_ctrl_endpoint_response = 0x81,
1927
1928         .identify_state = af9035_identify_state,
1929         .download_firmware = af9035_download_firmware,
1930
1931         .i2c_algo = &af9035_i2c_algo,
1932         .read_config = af9035_read_config,
1933         .frontend_attach = af9035_frontend_attach,
1934         .frontend_detach = af9035_frontend_detach,
1935         .tuner_attach = af9035_tuner_attach,
1936         .tuner_detach = af9035_tuner_detach,
1937         .init = af9035_init,
1938         .get_rc_config = af9035_get_rc_config,
1939         .get_stream_config = af9035_get_stream_config,
1940
1941         .get_adapter_count = af9035_get_adapter_count,
1942         .adapter = {
1943                 {
1944                         .caps = DVB_USB_ADAP_HAS_PID_FILTER |
1945                                 DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
1946
1947                         .pid_filter_count = 32,
1948                         .pid_filter_ctrl = af9035_pid_filter_ctrl,
1949                         .pid_filter = af9035_pid_filter,
1950
1951                         .stream = DVB_USB_STREAM_BULK(0x84, 6, 87 * 188),
1952                 }, {
1953                         .caps = DVB_USB_ADAP_HAS_PID_FILTER |
1954                                 DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
1955
1956                         .pid_filter_count = 32,
1957                         .pid_filter_ctrl = af9035_pid_filter_ctrl,
1958                         .pid_filter = af9035_pid_filter,
1959
1960                         .stream = DVB_USB_STREAM_BULK(0x85, 6, 87 * 188),
1961                 },
1962         },
1963 };
1964
1965 static const struct dvb_usb_device_properties it930x_props = {
1966         .driver_name = KBUILD_MODNAME,
1967         .owner = THIS_MODULE,
1968         .adapter_nr = adapter_nr,
1969         .size_of_priv = sizeof(struct state),
1970
1971         .generic_bulk_ctrl_endpoint = 0x02,
1972         .generic_bulk_ctrl_endpoint_response = 0x81,
1973
1974         .identify_state = af9035_identify_state,
1975         .download_firmware = af9035_download_firmware,
1976
1977         .i2c_algo = &af9035_i2c_algo,
1978         .read_config = af9035_read_config,
1979         .frontend_attach = it930x_frontend_attach,
1980         .frontend_detach = af9035_frontend_detach,
1981         .tuner_attach = it930x_tuner_attach,
1982         .tuner_detach = it930x_tuner_detach,
1983         .init = it930x_init,
1984         .get_stream_config = af9035_get_stream_config,
1985
1986         .get_adapter_count = af9035_get_adapter_count,
1987         .adapter = {
1988                 {
1989                         .stream = DVB_USB_STREAM_BULK(0x84, 4, 816 * 188),
1990                 }, {
1991                         .stream = DVB_USB_STREAM_BULK(0x85, 4, 816 * 188),
1992                 },
1993         },
1994 };
1995
1996 static const struct usb_device_id af9035_id_table[] = {
1997         /* AF9035 devices */
1998         { DVB_USB_DEVICE(USB_VID_AFATECH, USB_PID_AFATECH_AF9035_9035,
1999                 &af9035_props, "Afatech AF9035 reference design", NULL) },
2000         { DVB_USB_DEVICE(USB_VID_AFATECH, USB_PID_AFATECH_AF9035_1000,
2001                 &af9035_props, "Afatech AF9035 reference design", NULL) },
2002         { DVB_USB_DEVICE(USB_VID_AFATECH, USB_PID_AFATECH_AF9035_1001,
2003                 &af9035_props, "Afatech AF9035 reference design", NULL) },
2004         { DVB_USB_DEVICE(USB_VID_AFATECH, USB_PID_AFATECH_AF9035_1002,
2005                 &af9035_props, "Afatech AF9035 reference design", NULL) },
2006         { DVB_USB_DEVICE(USB_VID_AFATECH, USB_PID_AFATECH_AF9035_1003,
2007                 &af9035_props, "Afatech AF9035 reference design", NULL) },
2008         { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_CINERGY_T_STICK,
2009                 &af9035_props, "TerraTec Cinergy T Stick", NULL) },
2010         { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_A835,
2011                 &af9035_props, "AVerMedia AVerTV Volar HD/PRO (A835)", NULL) },
2012         { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_B835,
2013                 &af9035_props, "AVerMedia AVerTV Volar HD/PRO (A835)", NULL) },
2014         { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_1867,
2015                 &af9035_props, "AVerMedia HD Volar (A867)", NULL) },
2016         { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_A867,
2017                 &af9035_props, "AVerMedia HD Volar (A867)", NULL) },
2018         { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_TWINSTAR,
2019                 &af9035_props, "AVerMedia Twinstar (A825)", NULL) },
2020         { DVB_USB_DEVICE(USB_VID_ASUS, USB_PID_ASUS_U3100MINI_PLUS,
2021                 &af9035_props, "Asus U3100Mini Plus", NULL) },
2022         { DVB_USB_DEVICE(USB_VID_TERRATEC, 0x00aa,
2023                 &af9035_props, "TerraTec Cinergy T Stick (rev. 2)", NULL) },
2024         /* IT9135 devices */
2025         { DVB_USB_DEVICE(USB_VID_ITETECH, USB_PID_ITETECH_IT9135,
2026                 &af9035_props, "ITE 9135 Generic", RC_MAP_IT913X_V1) },
2027         { DVB_USB_DEVICE(USB_VID_ITETECH, USB_PID_ITETECH_IT9135_9005,
2028                 &af9035_props, "ITE 9135(9005) Generic", RC_MAP_IT913X_V2) },
2029         { DVB_USB_DEVICE(USB_VID_ITETECH, USB_PID_ITETECH_IT9135_9006,
2030                 &af9035_props, "ITE 9135(9006) Generic", RC_MAP_IT913X_V1) },
2031         { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_A835B_1835,
2032                 &af9035_props, "Avermedia A835B(1835)", RC_MAP_IT913X_V2) },
2033         { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_A835B_2835,
2034                 &af9035_props, "Avermedia A835B(2835)", RC_MAP_IT913X_V2) },
2035         { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_A835B_3835,
2036                 &af9035_props, "Avermedia A835B(3835)", RC_MAP_IT913X_V2) },
2037         { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_A835B_4835,
2038                 &af9035_props, "Avermedia A835B(4835)", RC_MAP_IT913X_V2) },
2039         { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_H335,
2040                 &af9035_props, "Avermedia H335", RC_MAP_IT913X_V2) },
2041         { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_KWORLD_UB499_2T_T09,
2042                 &af9035_props, "Kworld UB499-2T T09", RC_MAP_IT913X_V1) },
2043         { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_SVEON_STV22_IT9137,
2044                 &af9035_props, "Sveon STV22 Dual DVB-T HDTV",
2045                                                         RC_MAP_IT913X_V1) },
2046         { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_CTVDIGDUAL_V2,
2047                 &af9035_props, "Digital Dual TV Receiver CTVDIGDUAL_V2",
2048                                                         RC_MAP_IT913X_V1) },
2049         /* IT930x devices */
2050         { DVB_USB_DEVICE(USB_VID_ITETECH, USB_PID_ITETECH_IT9303,
2051                 &it930x_props, "ITE 9303 Generic", NULL) },
2052         /* XXX: that same ID [0ccd:0099] is used by af9015 driver too */
2053         { DVB_USB_DEVICE(USB_VID_TERRATEC, 0x0099,
2054                 &af9035_props, "TerraTec Cinergy T Stick Dual RC (rev. 2)",
2055                 NULL) },
2056         { DVB_USB_DEVICE(USB_VID_LEADTEK, 0x6a05,
2057                 &af9035_props, "Leadtek WinFast DTV Dongle Dual", NULL) },
2058         { DVB_USB_DEVICE(USB_VID_HAUPPAUGE, 0xf900,
2059                 &af9035_props, "Hauppauge WinTV-MiniStick 2", NULL) },
2060         { DVB_USB_DEVICE(USB_VID_PCTV, USB_PID_PCTV_78E,
2061                 &af9035_props, "PCTV AndroiDTV (78e)", RC_MAP_IT913X_V1) },
2062         { DVB_USB_DEVICE(USB_VID_PCTV, USB_PID_PCTV_79E,
2063                 &af9035_props, "PCTV microStick (79e)", RC_MAP_IT913X_V2) },
2064         { }
2065 };
2066 MODULE_DEVICE_TABLE(usb, af9035_id_table);
2067
2068 static struct usb_driver af9035_usb_driver = {
2069         .name = KBUILD_MODNAME,
2070         .id_table = af9035_id_table,
2071         .probe = af9035_probe,
2072         .disconnect = dvb_usbv2_disconnect,
2073         .suspend = dvb_usbv2_suspend,
2074         .resume = dvb_usbv2_resume,
2075         .reset_resume = dvb_usbv2_reset_resume,
2076         .no_dynamic_id = 1,
2077         .soft_unbind = 1,
2078 };
2079
2080 module_usb_driver(af9035_usb_driver);
2081
2082 MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
2083 MODULE_DESCRIPTION("Afatech AF9035 driver");
2084 MODULE_LICENSE("GPL");
2085 MODULE_FIRMWARE(AF9035_FIRMWARE_AF9035);
2086 MODULE_FIRMWARE(AF9035_FIRMWARE_IT9135_V1);
2087 MODULE_FIRMWARE(AF9035_FIRMWARE_IT9135_V2);
2088 MODULE_FIRMWARE(AF9035_FIRMWARE_IT9303);