drivers/media/dvb/dvb-usb/it913x.c

   1 /* DVB USB compliant linux driver for IT9137
   2  *
   3  * Copyright (C) 2011 Malcolm Priestley (tvboxspy@gmail.com)
   4  * IT9137 (C) ITE Tech Inc.
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License Version 2, as
   8  * published by the Free Software Foundation.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  18  *
  19  *
  20  * see Documentation/dvb/README.dvb-usb for more information
  21  * see Documentation/dvb/it9137.txt for firmware information
  22  *
  23  */
  24 #define DVB_USB_LOG_PREFIX "it913x"
  25
  26 #include <linux/usb.h>
  27 #include <linux/usb/input.h>
  28 #include <media/rc-core.h>
  29
  30 #include "dvb-usb.h"
  31 #include "it913x-fe.h"
  32
  33 /* debug */
  34 static int dvb_usb_it913x_debug;
  35 #define l_dprintk(var, level, args...) do { \
  36         if ((var >= level)) \
  37                 printk(KERN_DEBUG DVB_USB_LOG_PREFIX ": " args); \
  38 } while (0)
  39
  40 #define deb_info(level, args...) l_dprintk(dvb_usb_it913x_debug, level, args)
  41 #define debug_data_snipet(level, name, p) \
  42          deb_info(level, name" (%02x%02x%02x%02x%02x%02x%02x%02x)", \
  43                 *p, *(p+1), *(p+2), *(p+3), *(p+4), \
  44                         *(p+5), *(p+6), *(p+7));
  45
  46
  47 module_param_named(debug, dvb_usb_it913x_debug, int, 0644);
  48 MODULE_PARM_DESC(debug, "set debugging level (1=info (or-able))."
  49                         DVB_USB_DEBUG_STATUS);
  50
  51 static int pid_filter;
  52 module_param_named(pid, pid_filter, int, 0644);
  53 MODULE_PARM_DESC(pid, "set default 0=on 1=off");
  54
  55 int cmd_counter;
  56
  57 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
  58
  59 struct it913x_state {
  60         u8 id;
  61 };
  62
  63 struct ite_config {
  64         u8 chip_ver;
  65         u16 chip_type;
  66         u32 firmware;
  67         u8 tuner_id_0;
  68         u8 tuner_id_1;
  69         u8 dual_mode;
  70 };
  71
  72 struct ite_config it913x_config;
  73
  74 static int it913x_bulk_write(struct usb_device *dev,
  75                                 u8 *snd, int len, u8 pipe)
  76 {
  77         int ret, actual_l;
  78
  79         ret = usb_bulk_msg(dev, usb_sndbulkpipe(dev, pipe),
  80                                 snd, len , &actual_l, 100);
  81         return ret;
  82 }
  83
  84 static int it913x_bulk_read(struct usb_device *dev,
  85                                 u8 *rev, int len, u8 pipe)
  86 {
  87         int ret, actual_l;
  88
  89         ret = usb_bulk_msg(dev, usb_rcvbulkpipe(dev, pipe),
  90                                  rev, len , &actual_l, 200);
  91         return ret;
  92 }
  93
  94 static u16 check_sum(u8 *p, u8 len)
  95 {
  96         u16 sum = 0;
  97         u8 i = 1;
  98         while (i < len)
  99                 sum += (i++ & 1) ? (*p++) << 8 : *p++;
 100         return ~sum;
 101 }
 102
 103 static int it913x_io(struct usb_device *udev, u8 mode, u8 pro,
 104                         u8 cmd, u32 reg, u8 addr, u8 *data, u8 len)
 105 {
 106         int ret = 0, i, buf_size = 1;
 107         u8 *buff;
 108         u8 rlen;
 109         u16 chk_sum;
 110
 111         buff = kzalloc(256, GFP_KERNEL);
 112         if (!buff) {
 113                 info("USB Buffer Failed");
 114                 return -ENOMEM;
 115         }
 116
 117         buff[buf_size++] = pro;
 118         buff[buf_size++] = cmd;
 119         buff[buf_size++] = cmd_counter;
 120
 121         switch (mode) {
 122         case READ_LONG:
 123         case WRITE_LONG:
 124                 buff[buf_size++] = len;
 125                 buff[buf_size++] = 2;
 126                 buff[buf_size++] = (reg >> 24);
 127                 buff[buf_size++] = (reg >> 16) & 0xff;
 128                 buff[buf_size++] = (reg >> 8) & 0xff;
 129                 buff[buf_size++] = reg & 0xff;
 130         break;
 131         case READ_SHORT:
 132                 buff[buf_size++] = addr;
 133                 break;
 134         case WRITE_SHORT:
 135                 buff[buf_size++] = len;
 136                 buff[buf_size++] = addr;
 137                 buff[buf_size++] = (reg >> 8) & 0xff;
 138                 buff[buf_size++] = reg & 0xff;
 139         break;
 140         case READ_DATA:
 141         case WRITE_DATA:
 142                 break;
 143         case WRITE_CMD:
 144                 mode = 7;
 145                 break;
 146         default:
 147                 kfree(buff);
 148                 return -EINVAL;
 149         }
 150
 151         if (mode & 1) {
 152                 for (i = 0; i < len ; i++)
 153                         buff[buf_size++] = data[i];
 154         }
 155         chk_sum = check_sum(&buff[1], buf_size);
 156
 157         buff[buf_size++] = chk_sum >> 8;
 158         buff[0] = buf_size;
 159         buff[buf_size++] = (chk_sum & 0xff);
 160
 161         ret = it913x_bulk_write(udev, buff, buf_size , 0x02);
 162
 163         ret |= it913x_bulk_read(udev, buff, (mode & 1) ?
 164                         5 : len + 5 , 0x01);
 165
 166         rlen = (mode & 0x1) ? 0x1 : len;
 167
 168         if (mode & 1)
 169                 ret |= buff[2];
 170         else
 171                 memcpy(data, &buff[3], rlen);
 172
 173         cmd_counter++;
 174
 175         kfree(buff);
 176
 177         return (ret < 0) ? -ENODEV : 0;
 178 }
 179
 180 static int it913x_wr_reg(struct usb_device *udev, u8 pro, u32 reg , u8 data)
 181 {
 182         int ret;
 183         u8 b[1];
 184         b[0] = data;
 185         ret = it913x_io(udev, WRITE_LONG, pro,
 186                         CMD_DEMOD_WRITE, reg, 0, b, sizeof(b));
 187
 188         return ret;
 189 }
 190
 191 static int it913x_read_reg(struct usb_device *udev, u32 reg)
 192 {
 193         int ret;
 194         u8 data[1];
 195
 196         ret = it913x_io(udev, READ_LONG, DEV_0,
 197                         CMD_DEMOD_READ, reg, 0, &data[0], 1);
 198
 199         return (ret < 0) ? ret : data[0];
 200 }
 201
 202 static u32 it913x_query(struct usb_device *udev, u8 pro)
 203 {
 204         int ret;
 205         u8 data[4];
 206         ret = it913x_io(udev, READ_LONG, pro, CMD_DEMOD_READ,
 207                 0x1222, 0, &data[0], 3);
 208
 209         it913x_config.chip_ver = data[0];
 210         it913x_config.chip_type = (u16)(data[2] << 8) + data[1];
 211
 212         info("Chip Version=%02x Chip Type=%04x", it913x_config.chip_ver,
 213                 it913x_config.chip_type);
 214
 215         ret |= it913x_io(udev, READ_SHORT, pro,
 216                         CMD_QUERYINFO, 0, 0x1, &data[0], 4);
 217
 218         it913x_config.firmware = (data[0] << 24) + (data[1] << 16) +
 219                         (data[2] << 8) + data[3];
 220
 221         return (ret < 0) ? 0 : it913x_config.firmware;
 222 }
 223
 224 static int it913x_pid_filter_ctrl(struct dvb_usb_adapter *adap, int onoff)
 225 {
 226         int ret = 0;
 227         u8 pro = (adap->id == 0) ? DEV_0_DMOD : DEV_1_DMOD;
 228
 229         if (mutex_lock_interruptible(&adap->dev->i2c_mutex) < 0)
 230                         return -EAGAIN;
 231         deb_info(1, "PID_C  (%02x)", onoff);
 232
 233         if (!onoff)
 234                 ret = it913x_wr_reg(adap->dev->udev, pro, PID_RST, 0x1);
 235
 236         mutex_unlock(&adap->dev->i2c_mutex);
 237         return ret;
 238 }
 239
 240 static int it913x_pid_filter(struct dvb_usb_adapter *adap,
 241                 int index, u16 pid, int onoff)
 242 {
 243         struct usb_device *udev = adap->dev->udev;
 244         int ret = 0;
 245         u8 pro = (adap->id == 0) ? DEV_0_DMOD : DEV_1_DMOD;
 246
 247         if (pid_filter > 0)
 248                 return 0;
 249
 250         if (mutex_lock_interruptible(&adap->dev->i2c_mutex) < 0)
 251                         return -EAGAIN;
 252         deb_info(1, "PID_F  (%02x)", onoff);
 253         if (onoff) {
 254                 ret = it913x_wr_reg(udev, pro, PID_EN, 0x1);
 255
 256                 ret |= it913x_wr_reg(udev, pro, PID_LSB, (u8)(pid & 0xff));
 257
 258                 ret |= it913x_wr_reg(udev, pro, PID_MSB, (u8)(pid >> 8));
 259
 260                 ret |= it913x_wr_reg(udev, pro, PID_INX_EN, (u8)onoff);
 261
 262                 ret |= it913x_wr_reg(udev, pro, PID_INX, (u8)(index & 0x1f));
 263
 264         }
 265
 266         mutex_unlock(&adap->dev->i2c_mutex);
 267         return 0;
 268 }
 269
 270
 271 static int it913x_return_status(struct usb_device *udev)
 272 {
 273         u32 firm = 0;
 274
 275         firm = it913x_query(udev, DEV_0);
 276         if (firm > 0)
 277                 info("Firmware Version %d", firm);
 278
 279         return (firm > 0) ? firm : 0;
 280 }
 281
 282 static int it913x_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[],
 283                                  int num)
 284 {
 285         struct dvb_usb_device *d = i2c_get_adapdata(adap);
 286         static u8 data[256];
 287         int ret;
 288         u32 reg;
 289         u8 pro;
 290         if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
 291                         return -EAGAIN;
 292
 293         debug_data_snipet(1, "Message out", msg[0].buf);
 294         deb_info(2, "num of messages %d address %02x", num, msg[0].addr);
 295
 296         pro = (msg[0].addr & 0x2) ?  DEV_0_DMOD : 0x0;
 297         pro |= (msg[0].addr & 0x20) ? DEV_1 : DEV_0;
 298         memcpy(data, msg[0].buf, msg[0].len);
 299         reg = (data[0] << 24) + (data[1] << 16) +
 300                         (data[2] << 8) + data[3];
 301         if (num == 2) {
 302                 ret = it913x_io(d->udev, READ_LONG, pro,
 303                         CMD_DEMOD_READ, reg, 0, data, msg[1].len);
 304                 memcpy(msg[1].buf, data, msg[1].len);
 305         } else
 306                 ret = it913x_io(d->udev, WRITE_LONG, pro, CMD_DEMOD_WRITE,
 307                         reg, 0, &data[4], msg[0].len - 4);
 308
 309         mutex_unlock(&d->i2c_mutex);
 310
 311         return ret;
 312 }
 313
 314 static u32 it913x_i2c_func(struct i2c_adapter *adapter)
 315 {
 316         return I2C_FUNC_I2C;
 317 }
 318
 319 static struct i2c_algorithm it913x_i2c_algo = {
 320         .master_xfer   = it913x_i2c_xfer,
 321         .functionality = it913x_i2c_func,
 322 };
 323
 324 /* Callbacks for DVB USB */
 325 #define IT913X_POLL 250
 326 static int it913x_rc_query(struct dvb_usb_device *d)
 327 {
 328         u8 ibuf[4];
 329         int ret;
 330         u32 key;
 331         /* Avoid conflict with frontends*/
 332         if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
 333                         return -EAGAIN;
 334
 335         ret = it913x_io(d->udev, READ_LONG, PRO_LINK, CMD_IR_GET,
 336                 0, 0, &ibuf[0], sizeof(ibuf));
 337
 338         if ((ibuf[2] + ibuf[3]) == 0xff) {
 339                 key = ibuf[2];
 340                 key += ibuf[0] << 8;
 341                 deb_info(1, "INT Key =%08x", key);
 342                 if (d->rc_dev != NULL)
 343                         rc_keydown(d->rc_dev, key, 0);
 344         }
 345         mutex_unlock(&d->i2c_mutex);
 346
 347         return ret;
 348 }
 349 static int it913x_identify_state(struct usb_device *udev,
 350                 struct dvb_usb_device_properties *props,
 351                 struct dvb_usb_device_description **desc,
 352                 int *cold)
 353 {
 354         int ret = 0, firm_no;
 355         u8 reg, remote;
 356
 357         firm_no = it913x_return_status(udev);
 358
 359         /* checnk for dual mode */
 360         it913x_config.dual_mode =  it913x_read_reg(udev, 0x49c5);
 361
 362         /* TODO different remotes */
 363         remote = it913x_read_reg(udev, 0x49ac); /* Remote */
 364         if (remote == 0)
 365                 props->rc.core.rc_codes = NULL;
 366
 367         /* TODO at the moment tuner_id is always assigned to 0x38 */
 368         it913x_config.tuner_id_0 = it913x_read_reg(udev, 0x49d0);
 369
 370         info("Dual mode=%x Remote=%x Tuner Type=%x", it913x_config.dual_mode
 371                 , remote, it913x_config.tuner_id_0);
 372
 373         if (firm_no > 0) {
 374                 *cold = 0;
 375                 return 0;
 376         }
 377
 378         if (it913x_config.dual_mode) {
 379                 it913x_config.tuner_id_1 = it913x_read_reg(udev, 0x49e0);
 380                 ret = it913x_wr_reg(udev, DEV_0, GPIOH1_EN, 0x1);
 381                 ret |= it913x_wr_reg(udev, DEV_0, GPIOH1_ON, 0x1);
 382                 ret |= it913x_wr_reg(udev, DEV_0, GPIOH1_O, 0x1);
 383                 msleep(50);
 384                 ret |= it913x_wr_reg(udev, DEV_0, GPIOH1_O, 0x0);
 385                 msleep(50);
 386                 reg = it913x_read_reg(udev, GPIOH1_O);
 387                 if (reg == 0) {
 388                         ret |= it913x_wr_reg(udev, DEV_0,  GPIOH1_O, 0x1);
 389                         ret |= it913x_return_status(udev);
 390                         if (ret != 0)
 391                                 ret = it913x_wr_reg(udev, DEV_0,
 392                                         GPIOH1_O, 0x0);
 393                 }
 394                 props->num_adapters = 2;
 395         } else
 396                 props->num_adapters = 1;
 397
 398         reg = it913x_read_reg(udev, IO_MUX_POWER_CLK);
 399
 400         if (it913x_config.dual_mode) {
 401                 ret |= it913x_wr_reg(udev, DEV_0, 0x4bfb, CHIP2_I2C_ADDR);
 402                 ret |= it913x_wr_reg(udev, DEV_0,  CLK_O_EN, 0x1);
 403         } else {
 404                 ret |= it913x_wr_reg(udev, DEV_0, 0x4bfb, 0x0);
 405                 ret |= it913x_wr_reg(udev, DEV_0,  CLK_O_EN, 0x0);
 406         }
 407
 408         *cold = 1;
 409
 410         return (ret < 0) ? -ENODEV : 0;
 411 }
 412
 413 static int it913x_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff)
 414 {
 415         int ret = 0;
 416         u8 pro = (adap->id == 0) ? DEV_0_DMOD : DEV_1_DMOD;
 417
 418         if (mutex_lock_interruptible(&adap->dev->i2c_mutex) < 0)
 419                         return -EAGAIN;
 420         deb_info(1, "STM  (%02x)", onoff);
 421
 422         if (!onoff)
 423                 ret = it913x_wr_reg(adap->dev->udev, pro, PID_RST, 0x1);
 424
 425
 426         mutex_unlock(&adap->dev->i2c_mutex);
 427
 428         return ret;
 429 }
 430
 431
 432 static int it913x_download_firmware(struct usb_device *udev,
 433                                         const struct firmware *fw)
 434 {
 435         int ret = 0, i;
 436         u8 packet_size, dlen;
 437         u8 *fw_data;
 438
 439         packet_size = 0x29;
 440
 441         ret = it913x_wr_reg(udev, DEV_0,  I2C_CLK, I2C_CLK_100);
 442
 443         info("FRM Starting Firmware Download");
 444         /* This uses scatter write firmware headers follow */
 445         /* 03 XX 00     XX = chip number? */
 446
 447         for (i = 0; i < fw->size; i += packet_size) {
 448                         if (i > 0)
 449                                 packet_size = 0x39;
 450                         fw_data = (u8 *)(fw->data + i);
 451                         dlen = ((i + packet_size) > fw->size)
 452                                 ? (fw->size - i) : packet_size;
 453                         ret |= it913x_io(udev, WRITE_DATA, DEV_0,
 454                                 CMD_SCATTER_WRITE, 0, 0, fw_data, dlen);
 455                         udelay(1000);
 456         }
 457
 458         ret |= it913x_io(udev, WRITE_CMD, DEV_0,
 459                         CMD_BOOT, 0, 0, NULL, 0);
 460
 461         msleep(100);
 462
 463         if (ret < 0)
 464                 info("FRM Firmware Download Failed (%04x)" , ret);
 465         else
 466                 info("FRM Firmware Download Completed - Resetting Device");
 467
 468         ret |= it913x_return_status(udev);
 469
 470         msleep(30);
 471
 472         ret |= it913x_wr_reg(udev, DEV_0,  I2C_CLK, I2C_CLK_400);
 473
 474         /* Tuner function */
 475         if (it913x_config.dual_mode)
 476                 ret |= it913x_wr_reg(udev, DEV_0_DMOD , 0xec4c, 0xa0);
 477
 478         ret |= it913x_wr_reg(udev, DEV_0,  PADODPU, 0x0);
 479         ret |= it913x_wr_reg(udev, DEV_0,  AGC_O_D, 0x0);
 480         if (it913x_config.dual_mode) {
 481                 ret |= it913x_wr_reg(udev, DEV_1,  PADODPU, 0x0);
 482                 ret |= it913x_wr_reg(udev, DEV_1,  AGC_O_D, 0x0);
 483         }
 484
 485         return (ret < 0) ? -ENODEV : 0;
 486 }
 487
 488 static int it913x_name(struct dvb_usb_adapter *adap)
 489 {
 490         const char *desc = adap->dev->desc->name;
 491         char *fe_name[] = {"_1", "_2", "_3", "_4"};
 492         char *name = adap->fe_adap[0].fe->ops.info.name;
 493
 494         strlcpy(name, desc, 128);
 495         strlcat(name, fe_name[adap->id], 128);
 496
 497         return 0;
 498 }
 499
 500 static int it913x_frontend_attach(struct dvb_usb_adapter *adap)
 501 {
 502         struct usb_device *udev = adap->dev->udev;
 503         int ret = 0;
 504         u8 adf = it913x_read_reg(udev, IO_MUX_POWER_CLK);
 505         u8 adap_addr = I2C_BASE_ADDR + (adap->id << 5);
 506         u16 ep_size = adap->props.fe[0].stream.u.bulk.buffersize;
 507         u8 tuner_id, tuner_type;
 508
 509         if (adap->id == 0)
 510                 tuner_id = it913x_config.tuner_id_0;
 511         else
 512                 tuner_id = it913x_config.tuner_id_1;
 513
 514         /* TODO we always use IT9137 possible references here*/
 515         /* Documentation suggests don't care */
 516         switch (tuner_id) {
 517         case 0x51:
 518         case 0x52:
 519         case 0x60:
 520         case 0x61:
 521         case 0x62:
 522         default:
 523         case 0x38:
 524                 tuner_type = IT9137;
 525         }
 526
 527         adap->fe_adap[0].fe = dvb_attach(it913x_fe_attach,
 528                 &adap->dev->i2c_adap, adap_addr, adf, tuner_type);
 529
 530         if (adap->id == 0 && adap->fe_adap[0].fe) {
 531                 ret = it913x_wr_reg(udev, DEV_0_DMOD, MP2_SW_RST, 0x1);
 532                 ret = it913x_wr_reg(udev, DEV_0_DMOD, MP2IF2_SW_RST, 0x1);
 533                 ret = it913x_wr_reg(udev, DEV_0, EP0_TX_EN, 0x0f);
 534                 ret = it913x_wr_reg(udev, DEV_0, EP0_TX_NAK, 0x1b);
 535                 ret = it913x_wr_reg(udev, DEV_0, EP0_TX_EN, 0x2f);
 536                 ret = it913x_wr_reg(udev, DEV_0, EP4_TX_LEN_LSB,
 537                                         ep_size & 0xff);
 538                 ret = it913x_wr_reg(udev, DEV_0, EP4_TX_LEN_MSB, ep_size >> 8);
 539                 ret = it913x_wr_reg(udev, DEV_0, EP4_MAX_PKT, 0x80);
 540         } else if (adap->id == 1 && adap->fe_adap[0].fe) {
 541                 ret = it913x_wr_reg(udev, DEV_0, EP0_TX_EN, 0x6f);
 542                 ret = it913x_wr_reg(udev, DEV_0, EP5_TX_LEN_LSB,
 543                                         ep_size & 0xff);
 544                 ret = it913x_wr_reg(udev, DEV_0, EP5_TX_LEN_MSB, ep_size >> 8);
 545                 ret = it913x_wr_reg(udev, DEV_0, EP5_MAX_PKT, 0x80);
 546                 ret = it913x_wr_reg(udev, DEV_0_DMOD, MP2IF2_EN, 0x1);
 547                 ret = it913x_wr_reg(udev, DEV_1_DMOD, MP2IF_SERIAL, 0x1);
 548                 ret = it913x_wr_reg(udev, DEV_1, TOP_HOSTB_SER_MODE, 0x1);
 549                 ret = it913x_wr_reg(udev, DEV_0_DMOD, TSIS_ENABLE, 0x1);
 550                 ret = it913x_wr_reg(udev, DEV_0_DMOD, MP2_SW_RST, 0x0);
 551                 ret = it913x_wr_reg(udev, DEV_0_DMOD, MP2IF2_SW_RST, 0x0);
 552                 ret = it913x_wr_reg(udev, DEV_0_DMOD, MP2IF2_HALF_PSB, 0x0);
 553                 ret = it913x_wr_reg(udev, DEV_0_DMOD, MP2IF_STOP_EN, 0x1);
 554                 ret = it913x_wr_reg(udev, DEV_1_DMOD, MPEG_FULL_SPEED, 0x0);
 555                 ret = it913x_wr_reg(udev, DEV_1_DMOD, MP2IF_STOP_EN, 0x0);
 556         } else
 557                 return -ENODEV;
 558
 559         ret = it913x_name(adap);
 560
 561         return ret;
 562 }
 563
 564 /* DVB USB Driver */
 565 static struct dvb_usb_device_properties it913x_properties;
 566
 567 static int it913x_probe(struct usb_interface *intf,
 568                 const struct usb_device_id *id)
 569 {
 570         cmd_counter = 0;
 571         if (0 == dvb_usb_device_init(intf, &it913x_properties,
 572                                      THIS_MODULE, NULL, adapter_nr)) {
 573                 info("DEV registering device driver");
 574                 return 0;
 575         }
 576
 577         info("DEV it913x Error");
 578         return -ENODEV;
 579
 580 }
 581
 582 static struct usb_device_id it913x_table[] = {
 583         { USB_DEVICE(USB_VID_KWORLD_2, USB_PID_KWORLD_UB499_2T_T09) },
 584         { USB_DEVICE(USB_VID_ITETECH, USB_PID_ITETECH_IT9135) },
 585         {}              /* Terminating entry */
 586 };
 587
 588 MODULE_DEVICE_TABLE(usb, it913x_table);
 589
 590 static struct dvb_usb_device_properties it913x_properties = {
 591         .caps = DVB_USB_IS_AN_I2C_ADAPTER,
 592         .usb_ctrl = DEVICE_SPECIFIC,
 593         .download_firmware = it913x_download_firmware,
 594         .firmware = "dvb-usb-it9137-01.fw",
 595         .no_reconnect = 1,
 596         .size_of_priv = sizeof(struct it913x_state),
 597         .num_adapters = 2,
 598         .adapter = {
 599                 {
 600                 .num_frontends = 1,
 601                 .fe = {{
 602                         .caps = DVB_USB_ADAP_HAS_PID_FILTER|
 603                                 DVB_USB_ADAP_NEED_PID_FILTERING|
 604                                 DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
 605                         .streaming_ctrl   = it913x_streaming_ctrl,
 606                         .pid_filter_count = 31,
 607                         .pid_filter = it913x_pid_filter,
 608                         .pid_filter_ctrl  = it913x_pid_filter_ctrl,
 609                         .frontend_attach  = it913x_frontend_attach,
 610                         /* parameter for the MPEG2-data transfer */
 611                         .stream = {
 612                                 .type = USB_BULK,
 613                                 .count = 10,
 614                                 .endpoint = 0x04,
 615                                 .u = {/* Keep Low if PID filter on */
 616                                         .bulk = {
 617                                                 .buffersize = 3584,
 618
 619                                         }
 620                                 }
 621                         }
 622                 }},
 623                 },
 624                         {
 625                 .num_frontends = 1,
 626                 .fe = {{
 627                         .caps = DVB_USB_ADAP_HAS_PID_FILTER|
 628                                 DVB_USB_ADAP_NEED_PID_FILTERING|
 629                                 DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
 630                         .streaming_ctrl   = it913x_streaming_ctrl,
 631                         .pid_filter_count = 31,
 632                         .pid_filter = it913x_pid_filter,
 633                         .pid_filter_ctrl  = it913x_pid_filter_ctrl,
 634                         .frontend_attach  = it913x_frontend_attach,
 635                         /* parameter for the MPEG2-data transfer */
 636                         .stream = {
 637                                 .type = USB_BULK,
 638                                 .count = 5,
 639                                 .endpoint = 0x05,
 640                                 .u = {
 641                                         .bulk = {
 642                                                 .buffersize = 3584,
 643
 644                                         }
 645                                 }
 646                         }
 647                 }},
 648                 }
 649         },
 650         .identify_state   = it913x_identify_state,
 651         .rc.core = {
 652                 .protocol       = RC_TYPE_NEC,
 653                 .module_name    = "it913x",
 654                 .rc_query       = it913x_rc_query,
 655                 .rc_interval    = IT913X_POLL,
 656                 .allowed_protos = RC_TYPE_NEC,
 657                 .rc_codes       = RC_MAP_KWORLD_315U,
 658         },
 659         .i2c_algo         = &it913x_i2c_algo,
 660         .num_device_descs = 2,
 661         .devices = {
 662                 {   "Kworld UB499-2T T09(IT9137)",
 663                         { &it913x_table[0], NULL },
 664                         },
 665                 {   "ITE 9135 Generic",
 666                         { &it913x_table[1], NULL },
 667                         },
 668         }
 669 };
 670
 671 static struct usb_driver it913x_driver = {
 672         .name           = "it913x",
 673         .probe          = it913x_probe,
 674         .disconnect     = dvb_usb_device_exit,
 675         .id_table       = it913x_table,
 676 };
 677
 678 /* module stuff */
 679 static int __init it913x_module_init(void)
 680 {
 681         int result = usb_register(&it913x_driver);
 682         if (result) {
 683                 err("usb_register failed. Error number %d", result);
 684                 return result;
 685         }
 686
 687         return 0;
 688 }
 689
 690 static void __exit it913x_module_exit(void)
 691 {
 692         /* deregister this driver from the USB subsystem */
 693         usb_deregister(&it913x_driver);
 694 }
 695
 696 module_init(it913x_module_init);
 697 module_exit(it913x_module_exit);
 698
 699 MODULE_AUTHOR("Malcolm Priestley <tvboxspy@gmail.com>");
 700 MODULE_DESCRIPTION("it913x USB 2 Driver");
 701 MODULE_VERSION("1.07");
 702 MODULE_LICENSE("GPL");