drivers/media/video/cx231xx/cx231xx-core.c

   1 /*
   2    cx231xx-core.c - driver for Conexant Cx23100/101/102
   3                                 USB video capture devices
   4
   5    Copyright (C) 2008 <srinivasa.deevi at conexant dot com>
   6                                 Based on em28xx driver
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 2 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program; if not, write to the Free Software
  20    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  21  */
  22
  23 #include <linux/init.h>
  24 #include <linux/list.h>
  25 #include <linux/module.h>
  26 #include <linux/slab.h>
  27 #include <linux/usb.h>
  28 #include <linux/vmalloc.h>
  29 #include <media/v4l2-common.h>
  30 #include <media/tuner.h>
  31
  32 #include "cx231xx.h"
  33 #include "cx231xx-reg.h"
  34
  35 /* #define ENABLE_DEBUG_ISOC_FRAMES */
  36
  37 static unsigned int core_debug;
  38 module_param(core_debug, int, 0644);
  39 MODULE_PARM_DESC(core_debug, "enable debug messages [core]");
  40
  41 #define cx231xx_coredbg(fmt, arg...) do {\
  42         if (core_debug) \
  43                 printk(KERN_INFO "%s %s :"fmt, \
  44                          dev->name, __func__ , ##arg); } while (0)
  45
  46 static unsigned int reg_debug;
  47 module_param(reg_debug, int, 0644);
  48 MODULE_PARM_DESC(reg_debug, "enable debug messages [URB reg]");
  49
  50 static int alt = CX231XX_PINOUT;
  51 module_param(alt, int, 0644);
  52 MODULE_PARM_DESC(alt, "alternate setting to use for video endpoint");
  53
  54 #define cx231xx_isocdbg(fmt, arg...) do {\
  55         if (core_debug) \
  56                 printk(KERN_INFO "%s %s :"fmt, \
  57                          dev->name, __func__ , ##arg); } while (0)
  58
  59 /*****************************************************************
  60 *             Device control list functions                                      *
  61 ******************************************************************/
  62
  63 LIST_HEAD(cx231xx_devlist);
  64 static DEFINE_MUTEX(cx231xx_devlist_mutex);
  65
  66 /*
  67  * cx231xx_realease_resources()
  68  * unregisters the v4l2,i2c and usb devices
  69  * called when the device gets disconected or at module unload
  70 */
  71 void cx231xx_remove_from_devlist(struct cx231xx *dev)
  72 {
  73         if (dev == NULL)
  74                 return;
  75         if (dev->udev == NULL)
  76                 return;
  77
  78         if (atomic_read(&dev->devlist_count) > 0) {
  79                 mutex_lock(&cx231xx_devlist_mutex);
  80                 list_del(&dev->devlist);
  81                 atomic_dec(&dev->devlist_count);
  82                 mutex_unlock(&cx231xx_devlist_mutex);
  83         }
  84 };
  85
  86 void cx231xx_add_into_devlist(struct cx231xx *dev)
  87 {
  88         mutex_lock(&cx231xx_devlist_mutex);
  89         list_add_tail(&dev->devlist, &cx231xx_devlist);
  90         atomic_inc(&dev->devlist_count);
  91         mutex_unlock(&cx231xx_devlist_mutex);
  92 };
  93
  94 static LIST_HEAD(cx231xx_extension_devlist);
  95
  96 int cx231xx_register_extension(struct cx231xx_ops *ops)
  97 {
  98         struct cx231xx *dev = NULL;
  99
 100         mutex_lock(&cx231xx_devlist_mutex);
 101         list_add_tail(&ops->next, &cx231xx_extension_devlist);
 102         list_for_each_entry(dev, &cx231xx_devlist, devlist)
 103                 ops->init(dev);
 104
 105         printk(KERN_INFO DRIVER_NAME ": %s initialized\n", ops->name);
 106         mutex_unlock(&cx231xx_devlist_mutex);
 107         return 0;
 108 }
 109 EXPORT_SYMBOL(cx231xx_register_extension);
 110
 111 void cx231xx_unregister_extension(struct cx231xx_ops *ops)
 112 {
 113         struct cx231xx *dev = NULL;
 114
 115         mutex_lock(&cx231xx_devlist_mutex);
 116         list_for_each_entry(dev, &cx231xx_devlist, devlist)
 117                 ops->fini(dev);
 118
 119
 120         printk(KERN_INFO DRIVER_NAME ": %s removed\n", ops->name);
 121         list_del(&ops->next);
 122         mutex_unlock(&cx231xx_devlist_mutex);
 123 }
 124 EXPORT_SYMBOL(cx231xx_unregister_extension);
 125
 126 void cx231xx_init_extension(struct cx231xx *dev)
 127 {
 128         struct cx231xx_ops *ops = NULL;
 129
 130         mutex_lock(&cx231xx_devlist_mutex);
 131         if (!list_empty(&cx231xx_extension_devlist)) {
 132                 list_for_each_entry(ops, &cx231xx_extension_devlist, next) {
 133                         if (ops->init)
 134                                 ops->init(dev);
 135                 }
 136         }
 137         mutex_unlock(&cx231xx_devlist_mutex);
 138 }
 139
 140 void cx231xx_close_extension(struct cx231xx *dev)
 141 {
 142         struct cx231xx_ops *ops = NULL;
 143
 144         mutex_lock(&cx231xx_devlist_mutex);
 145         if (!list_empty(&cx231xx_extension_devlist)) {
 146                 list_for_each_entry(ops, &cx231xx_extension_devlist, next) {
 147                         if (ops->fini)
 148                                 ops->fini(dev);
 149                 }
 150         }
 151         mutex_unlock(&cx231xx_devlist_mutex);
 152 }
 153
 154 /****************************************************************
 155 *               U S B related functions                         *
 156 *****************************************************************/
 157 int cx231xx_send_usb_command(struct cx231xx_i2c *i2c_bus,
 158                              struct cx231xx_i2c_xfer_data *req_data)
 159 {
 160         int status = 0;
 161         struct cx231xx *dev = i2c_bus->dev;
 162         struct VENDOR_REQUEST_IN ven_req;
 163
 164         u8 saddr_len = 0;
 165         u8 _i2c_period = 0;
 166         u8 _i2c_nostop = 0;
 167         u8 _i2c_reserve = 0;
 168
 169         /* Get the I2C period, nostop and reserve parameters */
 170         _i2c_period = i2c_bus->i2c_period;
 171         _i2c_nostop = i2c_bus->i2c_nostop;
 172         _i2c_reserve = i2c_bus->i2c_reserve;
 173
 174         saddr_len = req_data->saddr_len;
 175
 176         /* Set wValue */
 177         if (saddr_len == 1)     /* need check saddr_len == 0  */
 178                 ven_req.wValue =
 179                     req_data->
 180                     dev_addr << 9 | _i2c_period << 4 | saddr_len << 2 |
 181                     _i2c_nostop << 1 | I2C_SYNC | _i2c_reserve << 6;
 182         else
 183                 ven_req.wValue =
 184                     req_data->
 185                     dev_addr << 9 | _i2c_period << 4 | saddr_len << 2 |
 186                     _i2c_nostop << 1 | I2C_SYNC | _i2c_reserve << 6;
 187
 188         /* set channel number */
 189         if (req_data->direction & I2C_M_RD) {
 190                 /* channel number, for read,spec required channel_num +4 */
 191                 ven_req.bRequest = i2c_bus->nr + 4;
 192         } else
 193                 ven_req.bRequest = i2c_bus->nr; /* channel number,  */
 194
 195         /* set index value */
 196         switch (saddr_len) {
 197         case 0:
 198                 ven_req.wIndex = 0;     /* need check */
 199                 break;
 200         case 1:
 201                 ven_req.wIndex = (req_data->saddr_dat & 0xff);
 202                 break;
 203         case 2:
 204                 ven_req.wIndex = req_data->saddr_dat;
 205                 break;
 206         }
 207
 208         /* set wLength value */
 209         ven_req.wLength = req_data->buf_size;
 210
 211         /* set bData value */
 212         ven_req.bData = 0;
 213
 214         /* set the direction */
 215         if (req_data->direction) {
 216                 ven_req.direction = USB_DIR_IN;
 217                 memset(req_data->p_buffer, 0x00, ven_req.wLength);
 218         } else
 219                 ven_req.direction = USB_DIR_OUT;
 220
 221         /* set the buffer for read / write */
 222         ven_req.pBuff = req_data->p_buffer;
 223
 224
 225         /* call common vendor command request */
 226         status = cx231xx_send_vendor_cmd(dev, &ven_req);
 227         if (status < 0) {
 228                 cx231xx_info
 229                     ("UsbInterface::sendCommand, failed with status -%d\n",
 230                      status);
 231         }
 232
 233         return status;
 234 }
 235 EXPORT_SYMBOL_GPL(cx231xx_send_usb_command);
 236
 237 /*
 238  * Sends/Receives URB control messages, assuring to use a kalloced buffer
 239  * for all operations (dev->urb_buf), to avoid using stacked buffers, as
 240  * they aren't safe for usage with USB, due to DMA restrictions.
 241  * Also implements the debug code for control URB's.
 242  */
 243 static int __usb_control_msg(struct cx231xx *dev, unsigned int pipe,
 244         __u8 request, __u8 requesttype, __u16 value, __u16 index,
 245         void *data, __u16 size, int timeout)
 246 {
 247         int rc, i;
 248
 249         if (reg_debug) {
 250                 printk(KERN_DEBUG "%s: (pipe 0x%08x): "
 251                                 "%s:  %02x %02x %02x %02x %02x %02x %02x %02x ",
 252                                 dev->name,
 253                                 pipe,
 254                                 (requesttype & USB_DIR_IN) ? "IN" : "OUT",
 255                                 requesttype,
 256                                 request,
 257                                 value & 0xff, value >> 8,
 258                                 index & 0xff, index >> 8,
 259                                 size & 0xff, size >> 8);
 260                 if (!(requesttype & USB_DIR_IN)) {
 261                         printk(KERN_CONT ">>>");
 262                         for (i = 0; i < size; i++)
 263                                 printk(KERN_CONT " %02x",
 264                                        ((unsigned char *)data)[i]);
 265                 }
 266         }
 267
 268         /* Do the real call to usb_control_msg */
 269         mutex_lock(&dev->ctrl_urb_lock);
 270         if (!(requesttype & USB_DIR_IN) && size)
 271                 memcpy(dev->urb_buf, data, size);
 272         rc = usb_control_msg(dev->udev, pipe, request, requesttype, value,
 273                              index, dev->urb_buf, size, timeout);
 274         if ((requesttype & USB_DIR_IN) && size)
 275                 memcpy(data, dev->urb_buf, size);
 276         mutex_unlock(&dev->ctrl_urb_lock);
 277
 278         if (reg_debug) {
 279                 if (unlikely(rc < 0)) {
 280                         printk(KERN_CONT "FAILED!\n");
 281                         return rc;
 282                 }
 283
 284                 if ((requesttype & USB_DIR_IN)) {
 285                         printk(KERN_CONT "<<<");
 286                         for (i = 0; i < size; i++)
 287                                 printk(KERN_CONT " %02x",
 288                                        ((unsigned char *)data)[i]);
 289                 }
 290                 printk(KERN_CONT "\n");
 291         }
 292
 293         return rc;
 294 }
 295
 296
 297 /*
 298  * cx231xx_read_ctrl_reg()
 299  * reads data from the usb device specifying bRequest and wValue
 300  */
 301 int cx231xx_read_ctrl_reg(struct cx231xx *dev, u8 req, u16 reg,
 302                           char *buf, int len)
 303 {
 304         u8 val = 0;
 305         int ret;
 306         int pipe = usb_rcvctrlpipe(dev->udev, 0);
 307
 308         if (dev->state & DEV_DISCONNECTED)
 309                 return -ENODEV;
 310
 311         if (len > URB_MAX_CTRL_SIZE)
 312                 return -EINVAL;
 313
 314         switch (len) {
 315         case 1:
 316                 val = ENABLE_ONE_BYTE;
 317                 break;
 318         case 2:
 319                 val = ENABLE_TWE_BYTE;
 320                 break;
 321         case 3:
 322                 val = ENABLE_THREE_BYTE;
 323                 break;
 324         case 4:
 325                 val = ENABLE_FOUR_BYTE;
 326                 break;
 327         default:
 328                 val = 0xFF;     /* invalid option */
 329         }
 330
 331         if (val == 0xFF)
 332                 return -EINVAL;
 333
 334         ret = __usb_control_msg(dev, pipe, req,
 335                               USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 336                               val, reg, buf, len, HZ);
 337         return ret;
 338 }
 339
 340 int cx231xx_send_vendor_cmd(struct cx231xx *dev,
 341                                 struct VENDOR_REQUEST_IN *ven_req)
 342 {
 343         int ret;
 344         int pipe = 0;
 345         int unsend_size = 0;
 346         u8 *pdata;
 347
 348         if (dev->state & DEV_DISCONNECTED)
 349                 return -ENODEV;
 350
 351         if ((ven_req->wLength > URB_MAX_CTRL_SIZE))
 352                 return -EINVAL;
 353
 354         if (ven_req->direction)
 355                 pipe = usb_rcvctrlpipe(dev->udev, 0);
 356         else
 357                 pipe = usb_sndctrlpipe(dev->udev, 0);
 358
 359         /*
 360          * If the cx23102 read more than 4 bytes with i2c bus,
 361          * need chop to 4 byte per request
 362          */
 363         if ((ven_req->wLength > 4) && ((ven_req->bRequest == 0x4) ||
 364                                         (ven_req->bRequest == 0x5) ||
 365                                         (ven_req->bRequest == 0x6))) {
 366                 unsend_size = 0;
 367                 pdata = ven_req->pBuff;
 368
 369
 370                 unsend_size = ven_req->wLength;
 371
 372                 /* the first package */
 373                 ven_req->wValue = ven_req->wValue & 0xFFFB;
 374                 ven_req->wValue = (ven_req->wValue & 0xFFBD) | 0x2;
 375                 ret = __usb_control_msg(dev, pipe, ven_req->bRequest,
 376                         ven_req->direction | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 377                         ven_req->wValue, ven_req->wIndex, pdata,
 378                         0x0004, HZ);
 379                 unsend_size = unsend_size - 4;
 380
 381                 /* the middle package */
 382                 ven_req->wValue = (ven_req->wValue & 0xFFBD) | 0x42;
 383                 while (unsend_size - 4 > 0) {
 384                         pdata = pdata + 4;
 385                         ret = __usb_control_msg(dev, pipe,
 386                                 ven_req->bRequest,
 387                                 ven_req->direction | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 388                                 ven_req->wValue, ven_req->wIndex, pdata,
 389                                 0x0004, HZ);
 390                         unsend_size = unsend_size - 4;
 391                 }
 392
 393                 /* the last package */
 394                 ven_req->wValue = (ven_req->wValue & 0xFFBD) | 0x40;
 395                 pdata = pdata + 4;
 396                 ret = __usb_control_msg(dev, pipe, ven_req->bRequest,
 397                         ven_req->direction | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 398                         ven_req->wValue, ven_req->wIndex, pdata,
 399                         unsend_size, HZ);
 400         } else {
 401                 ret = __usb_control_msg(dev, pipe, ven_req->bRequest,
 402                                 ven_req->direction | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 403                                 ven_req->wValue, ven_req->wIndex,
 404                                 ven_req->pBuff, ven_req->wLength, HZ);
 405         }
 406
 407         return ret;
 408 }
 409
 410 /*
 411  * cx231xx_write_ctrl_reg()
 412  * sends data to the usb device, specifying bRequest
 413  */
 414 int cx231xx_write_ctrl_reg(struct cx231xx *dev, u8 req, u16 reg, char *buf,
 415                            int len)
 416 {
 417         u8 val = 0;
 418         int ret;
 419         int pipe = usb_sndctrlpipe(dev->udev, 0);
 420
 421         if (dev->state & DEV_DISCONNECTED)
 422                 return -ENODEV;
 423
 424         if ((len < 1) || (len > URB_MAX_CTRL_SIZE))
 425                 return -EINVAL;
 426
 427         switch (len) {
 428         case 1:
 429                 val = ENABLE_ONE_BYTE;
 430                 break;
 431         case 2:
 432                 val = ENABLE_TWE_BYTE;
 433                 break;
 434         case 3:
 435                 val = ENABLE_THREE_BYTE;
 436                 break;
 437         case 4:
 438                 val = ENABLE_FOUR_BYTE;
 439                 break;
 440         default:
 441                 val = 0xFF;     /* invalid option */
 442         }
 443
 444         if (val == 0xFF)
 445                 return -EINVAL;
 446
 447         if (reg_debug) {
 448                 int byte;
 449
 450                 cx231xx_isocdbg("(pipe 0x%08x): "
 451                         "OUT: %02x %02x %02x %02x %02x %02x %02x %02x >>>",
 452                         pipe,
 453                         USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 454                         req, 0, val, reg & 0xff,
 455                         reg >> 8, len & 0xff, len >> 8);
 456
 457                 for (byte = 0; byte < len; byte++)
 458                         cx231xx_isocdbg(" %02x", (unsigned char)buf[byte]);
 459                 cx231xx_isocdbg("\n");
 460         }
 461
 462         ret = __usb_control_msg(dev, pipe, req,
 463                               USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 464                               val, reg, buf, len, HZ);
 465
 466         return ret;
 467 }
 468
 469 /****************************************************************
 470 *           USB Alternate Setting functions                     *
 471 *****************************************************************/
 472
 473 int cx231xx_set_video_alternate(struct cx231xx *dev)
 474 {
 475         int errCode, prev_alt = dev->video_mode.alt;
 476         unsigned int min_pkt_size = dev->width * 2 + 4;
 477         u32 usb_interface_index = 0;
 478
 479         /* When image size is bigger than a certain value,
 480            the frame size should be increased, otherwise, only
 481            green screen will be received.
 482          */
 483         if (dev->width * 2 * dev->height > 720 * 240 * 2)
 484                 min_pkt_size *= 2;
 485
 486         if (dev->width > 360) {
 487                 /* resolutions: 720,704,640 */
 488                 dev->video_mode.alt = 3;
 489         } else if (dev->width > 180) {
 490                 /* resolutions: 360,352,320,240 */
 491                 dev->video_mode.alt = 2;
 492         } else if (dev->width > 0) {
 493                 /* resolutions: 180,176,160,128,88 */
 494                 dev->video_mode.alt = 1;
 495         } else {
 496                 /* Change to alt0 BULK to release USB bandwidth */
 497                 dev->video_mode.alt = 0;
 498         }
 499
 500         if (dev->USE_ISO == 0)
 501                 dev->video_mode.alt = 0;
 502
 503         cx231xx_coredbg("dev->video_mode.alt= %d\n", dev->video_mode.alt);
 504
 505         /* Get the correct video interface Index */
 506         usb_interface_index =
 507             dev->current_pcb_config.hs_config_info[0].interface_info.
 508             video_index + 1;
 509
 510         if (dev->video_mode.alt != prev_alt) {
 511                 cx231xx_coredbg("minimum isoc packet size: %u (alt=%d)\n",
 512                                 min_pkt_size, dev->video_mode.alt);
 513
 514                 if (dev->video_mode.alt_max_pkt_size != NULL)
 515                         dev->video_mode.max_pkt_size =
 516                         dev->video_mode.alt_max_pkt_size[dev->video_mode.alt];
 517                 cx231xx_coredbg("setting alternate %d with wMaxPacketSize=%u\n",
 518                                 dev->video_mode.alt,
 519                                 dev->video_mode.max_pkt_size);
 520                 errCode =
 521                     usb_set_interface(dev->udev, usb_interface_index,
 522                                       dev->video_mode.alt);
 523                 if (errCode < 0) {
 524                         cx231xx_errdev
 525                             ("cannot change alt number to %d (error=%i)\n",
 526                              dev->video_mode.alt, errCode);
 527                         return errCode;
 528                 }
 529         }
 530         return 0;
 531 }
 532
 533 int cx231xx_set_alt_setting(struct cx231xx *dev, u8 index, u8 alt)
 534 {
 535         int status = 0;
 536         u32 usb_interface_index = 0;
 537         u32 max_pkt_size = 0;
 538
 539         switch (index) {
 540         case INDEX_TS1:
 541                 usb_interface_index =
 542                     dev->current_pcb_config.hs_config_info[0].interface_info.
 543                     ts1_index + 1;
 544                 dev->ts1_mode.alt = alt;
 545                 if (dev->ts1_mode.alt_max_pkt_size != NULL)
 546                         max_pkt_size = dev->ts1_mode.max_pkt_size =
 547                             dev->ts1_mode.alt_max_pkt_size[dev->ts1_mode.alt];
 548                 break;
 549         case INDEX_TS2:
 550                 usb_interface_index =
 551                     dev->current_pcb_config.hs_config_info[0].interface_info.
 552                     ts2_index + 1;
 553                 break;
 554         case INDEX_AUDIO:
 555                 usb_interface_index =
 556                     dev->current_pcb_config.hs_config_info[0].interface_info.
 557                     audio_index + 1;
 558                 dev->adev.alt = alt;
 559                 if (dev->adev.alt_max_pkt_size != NULL)
 560                         max_pkt_size = dev->adev.max_pkt_size =
 561                             dev->adev.alt_max_pkt_size[dev->adev.alt];
 562                 break;
 563         case INDEX_VIDEO:
 564                 usb_interface_index =
 565                     dev->current_pcb_config.hs_config_info[0].interface_info.
 566                     video_index + 1;
 567                 dev->video_mode.alt = alt;
 568                 if (dev->video_mode.alt_max_pkt_size != NULL)
 569                         max_pkt_size = dev->video_mode.max_pkt_size =
 570                             dev->video_mode.alt_max_pkt_size[dev->video_mode.
 571                                                              alt];
 572                 break;
 573         case INDEX_VANC:
 574                 if (dev->board.no_alt_vanc)
 575                         return 0;
 576                 usb_interface_index =
 577                     dev->current_pcb_config.hs_config_info[0].interface_info.
 578                     vanc_index + 1;
 579                 dev->vbi_mode.alt = alt;
 580                 if (dev->vbi_mode.alt_max_pkt_size != NULL)
 581                         max_pkt_size = dev->vbi_mode.max_pkt_size =
 582                             dev->vbi_mode.alt_max_pkt_size[dev->vbi_mode.alt];
 583                 break;
 584         case INDEX_HANC:
 585                 usb_interface_index =
 586                     dev->current_pcb_config.hs_config_info[0].interface_info.
 587                     hanc_index + 1;
 588                 dev->sliced_cc_mode.alt = alt;
 589                 if (dev->sliced_cc_mode.alt_max_pkt_size != NULL)
 590                         max_pkt_size = dev->sliced_cc_mode.max_pkt_size =
 591                             dev->sliced_cc_mode.alt_max_pkt_size[dev->
 592                                                                  sliced_cc_mode.
 593                                                                  alt];
 594                 break;
 595         default:
 596                 break;
 597         }
 598
 599         if (alt > 0 && max_pkt_size == 0) {
 600                 cx231xx_errdev
 601                 ("can't change interface %d alt no. to %d: Max. Pkt size = 0\n",
 602                 usb_interface_index, alt);
 603                 /*To workaround error number=-71 on EP0 for videograbber,
 604                  need add following codes.*/
 605                 if (dev->board.no_alt_vanc)
 606                         return -1;
 607         }
 608
 609         cx231xx_coredbg("setting alternate %d with wMaxPacketSize=%u,"
 610                         "Interface = %d\n", alt, max_pkt_size,
 611                         usb_interface_index);
 612
 613         if (usb_interface_index > 0) {
 614                 status = usb_set_interface(dev->udev, usb_interface_index, alt);
 615                 if (status < 0) {
 616                         cx231xx_errdev
 617                         ("can't change interface %d alt no. to %d (err=%i)\n",
 618                         usb_interface_index, alt, status);
 619                         return status;
 620                 }
 621         }
 622
 623         return status;
 624 }
 625 EXPORT_SYMBOL_GPL(cx231xx_set_alt_setting);
 626
 627 int cx231xx_gpio_set(struct cx231xx *dev, struct cx231xx_reg_seq *gpio)
 628 {
 629         int rc = 0;
 630
 631         if (!gpio)
 632                 return rc;
 633
 634         /* Send GPIO reset sequences specified at board entry */
 635         while (gpio->sleep >= 0) {
 636                 rc = cx231xx_set_gpio_value(dev, gpio->bit, gpio->val);
 637                 if (rc < 0)
 638                         return rc;
 639
 640                 if (gpio->sleep > 0)
 641                         msleep(gpio->sleep);
 642
 643                 gpio++;
 644         }
 645         return rc;
 646 }
 647
 648 int cx231xx_demod_reset(struct cx231xx *dev)
 649 {
 650
 651         u8 status = 0;
 652         u8 value[4] = { 0, 0, 0, 0 };
 653
 654         status = cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, PWR_CTL_EN,
 655                                  value, 4);
 656
 657         cx231xx_coredbg("reg0x%x=0x%x 0x%x 0x%x 0x%x\n", PWR_CTL_EN,
 658                         value[0], value[1], value[2], value[3]);
 659
 660         cx231xx_coredbg("Enter cx231xx_demod_reset()\n");
 661
 662                 value[1] = (u8) 0x3;
 663                 status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
 664                                                 PWR_CTL_EN, value, 4);
 665                         msleep(10);
 666
 667                 value[1] = (u8) 0x0;
 668                 status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
 669                                                 PWR_CTL_EN, value, 4);
 670                         msleep(10);
 671
 672                 value[1] = (u8) 0x3;
 673                 status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
 674                                                 PWR_CTL_EN, value, 4);
 675                         msleep(10);
 676
 677
 678
 679         status = cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, PWR_CTL_EN,
 680                                  value, 4);
 681
 682         cx231xx_coredbg("reg0x%x=0x%x 0x%x 0x%x 0x%x\n", PWR_CTL_EN,
 683                         value[0], value[1], value[2], value[3]);
 684
 685         return status;
 686 }
 687 EXPORT_SYMBOL_GPL(cx231xx_demod_reset);
 688 int is_fw_load(struct cx231xx *dev)
 689 {
 690         return cx231xx_check_fw(dev);
 691 }
 692 EXPORT_SYMBOL_GPL(is_fw_load);
 693
 694 int cx231xx_set_mode(struct cx231xx *dev, enum cx231xx_mode set_mode)
 695 {
 696         int errCode = 0;
 697
 698         if (dev->mode == set_mode)
 699                 return 0;
 700
 701         if (set_mode == CX231XX_SUSPEND) {
 702                 /* Set the chip in power saving mode */
 703                 dev->mode = set_mode;
 704         }
 705
 706         /* Resource is locked */
 707         if (dev->mode != CX231XX_SUSPEND)
 708                 return -EINVAL;
 709
 710         dev->mode = set_mode;
 711
 712         if (dev->mode == CX231XX_DIGITAL_MODE)/* Set Digital power mode */ {
 713         /* set AGC mode to Digital */
 714                 switch (dev->model) {
 715                 case CX231XX_BOARD_CNXT_CARRAERA:
 716                 case CX231XX_BOARD_CNXT_RDE_250:
 717                 case CX231XX_BOARD_CNXT_SHELBY:
 718                 case CX231XX_BOARD_CNXT_RDU_250:
 719                 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 0);
 720                         break;
 721                 case CX231XX_BOARD_CNXT_RDE_253S:
 722                 case CX231XX_BOARD_CNXT_RDU_253S:
 723                         errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 1);
 724                         break;
 725                 case CX231XX_BOARD_HAUPPAUGE_EXETER:
 726                         errCode = cx231xx_set_power_mode(dev,
 727                                                 POLARIS_AVMODE_DIGITAL);
 728                         break;
 729                 default:
 730                         break;
 731                 }
 732         } else/* Set Analog Power mode */ {
 733         /* set AGC mode to Analog */
 734                 switch (dev->model) {
 735                 case CX231XX_BOARD_CNXT_CARRAERA:
 736                 case CX231XX_BOARD_CNXT_RDE_250:
 737                 case CX231XX_BOARD_CNXT_SHELBY:
 738                 case CX231XX_BOARD_CNXT_RDU_250:
 739                 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 1);
 740                         break;
 741                 case CX231XX_BOARD_CNXT_RDE_253S:
 742                 case CX231XX_BOARD_CNXT_RDU_253S:
 743                 case CX231XX_BOARD_HAUPPAUGE_EXETER:
 744                 case CX231XX_BOARD_PV_PLAYTV_USB_HYBRID:
 745                 case CX231XX_BOARD_HAUPPAUGE_USB2_FM_PAL:
 746                 case CX231XX_BOARD_HAUPPAUGE_USB2_FM_NTSC:
 747                 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 0);
 748                         break;
 749                 default:
 750                         break;
 751                 }
 752         }
 753
 754         return 0;
 755 }
 756 EXPORT_SYMBOL_GPL(cx231xx_set_mode);
 757
 758 int cx231xx_ep5_bulkout(struct cx231xx *dev, u8 *firmware, u16 size)
 759 {
 760         int errCode = 0;
 761         int actlen, ret = -ENOMEM;
 762         u32 *buffer;
 763
 764 buffer = kzalloc(4096, GFP_KERNEL);
 765         if (buffer == NULL) {
 766                 cx231xx_info("out of mem\n");
 767                 return -ENOMEM;
 768         }
 769         memcpy(&buffer[0], firmware, 4096);
 770
 771         ret = usb_bulk_msg(dev->udev, usb_sndbulkpipe(dev->udev, 5),
 772                                  buffer, 4096, &actlen, 2000);
 773
 774         if (ret)
 775                 cx231xx_info("bulk message failed: %d (%d/%d)", ret,
 776                                  size, actlen);
 777         else {
 778                 errCode = actlen != size ? -1 : 0;
 779         }
 780 kfree(buffer);
 781         return 0;
 782 }
 783
 784 /*****************************************************************
 785 *                URB Streaming functions                         *
 786 ******************************************************************/
 787
 788 /*
 789  * IRQ callback, called by URB callback
 790  */
 791 static void cx231xx_isoc_irq_callback(struct urb *urb)
 792 {
 793         struct cx231xx_dmaqueue *dma_q = urb->context;
 794         struct cx231xx_video_mode *vmode =
 795             container_of(dma_q, struct cx231xx_video_mode, vidq);
 796         struct cx231xx *dev = container_of(vmode, struct cx231xx, video_mode);
 797         int rc, i;
 798
 799         switch (urb->status) {
 800         case 0:         /* success */
 801         case -ETIMEDOUT:        /* NAK */
 802                 break;
 803         case -ECONNRESET:       /* kill */
 804         case -ENOENT:
 805         case -ESHUTDOWN:
 806                 return;
 807         default:                /* error */
 808                 cx231xx_isocdbg("urb completition error %d.\n", urb->status);
 809                 break;
 810         }
 811
 812         /* Copy data from URB */
 813         spin_lock(&dev->video_mode.slock);
 814         rc = dev->video_mode.isoc_ctl.isoc_copy(dev, urb);
 815         spin_unlock(&dev->video_mode.slock);
 816
 817         /* Reset urb buffers */
 818         for (i = 0; i < urb->number_of_packets; i++) {
 819                 urb->iso_frame_desc[i].status = 0;
 820                 urb->iso_frame_desc[i].actual_length = 0;
 821         }
 822         urb->status = 0;
 823
 824         urb->status = usb_submit_urb(urb, GFP_ATOMIC);
 825         if (urb->status) {
 826                 cx231xx_isocdbg("urb resubmit failed (error=%i)\n",
 827                                 urb->status);
 828         }
 829 }
 830 /*****************************************************************
 831 *                URB Streaming functions                         *
 832 ******************************************************************/
 833
 834 /*
 835  * IRQ callback, called by URB callback
 836  */
 837 static void cx231xx_bulk_irq_callback(struct urb *urb)
 838 {
 839         struct cx231xx_dmaqueue *dma_q = urb->context;
 840         struct cx231xx_video_mode *vmode =
 841             container_of(dma_q, struct cx231xx_video_mode, vidq);
 842         struct cx231xx *dev = container_of(vmode, struct cx231xx, video_mode);
 843         int rc;
 844
 845         switch (urb->status) {
 846         case 0:         /* success */
 847         case -ETIMEDOUT:        /* NAK */
 848                 break;
 849         case -ECONNRESET:       /* kill */
 850         case -ENOENT:
 851         case -ESHUTDOWN:
 852                 return;
 853         default:                /* error */
 854                 cx231xx_isocdbg("urb completition error %d.\n", urb->status);
 855                 break;
 856         }
 857
 858         /* Copy data from URB */
 859         spin_lock(&dev->video_mode.slock);
 860         rc = dev->video_mode.bulk_ctl.bulk_copy(dev, urb);
 861         spin_unlock(&dev->video_mode.slock);
 862
 863         /* Reset urb buffers */
 864         urb->status = 0;
 865
 866         urb->status = usb_submit_urb(urb, GFP_ATOMIC);
 867         if (urb->status) {
 868                 cx231xx_isocdbg("urb resubmit failed (error=%i)\n",
 869                                 urb->status);
 870         }
 871 }
 872 /*
 873  * Stop and Deallocate URBs
 874  */
 875 void cx231xx_uninit_isoc(struct cx231xx *dev)
 876 {
 877         struct cx231xx_dmaqueue *dma_q = &dev->video_mode.vidq;
 878         struct urb *urb;
 879         int i;
 880
 881         cx231xx_isocdbg("cx231xx: called cx231xx_uninit_isoc\n");
 882
 883         dev->video_mode.isoc_ctl.nfields = -1;
 884         for (i = 0; i < dev->video_mode.isoc_ctl.num_bufs; i++) {
 885                 urb = dev->video_mode.isoc_ctl.urb[i];
 886                 if (urb) {
 887                         if (!irqs_disabled())
 888                                 usb_kill_urb(urb);
 889                         else
 890                                 usb_unlink_urb(urb);
 891
 892                         if (dev->video_mode.isoc_ctl.transfer_buffer[i]) {
 893                                 usb_free_coherent(dev->udev,
 894                                                   urb->transfer_buffer_length,
 895                                                   dev->video_mode.isoc_ctl.
 896                                                   transfer_buffer[i],
 897                                                   urb->transfer_dma);
 898                         }
 899                         usb_free_urb(urb);
 900                         dev->video_mode.isoc_ctl.urb[i] = NULL;
 901                 }
 902                 dev->video_mode.isoc_ctl.transfer_buffer[i] = NULL;
 903         }
 904
 905         kfree(dev->video_mode.isoc_ctl.urb);
 906         kfree(dev->video_mode.isoc_ctl.transfer_buffer);
 907         kfree(dma_q->p_left_data);
 908
 909         dev->video_mode.isoc_ctl.urb = NULL;
 910         dev->video_mode.isoc_ctl.transfer_buffer = NULL;
 911         dev->video_mode.isoc_ctl.num_bufs = 0;
 912         dma_q->p_left_data = NULL;
 913
 914         if (dev->mode_tv == 0)
 915                 cx231xx_capture_start(dev, 0, Raw_Video);
 916         else
 917                 cx231xx_capture_start(dev, 0, TS1_serial_mode);
 918
 919
 920 }
 921 EXPORT_SYMBOL_GPL(cx231xx_uninit_isoc);
 922
 923 /*
 924  * Stop and Deallocate URBs
 925  */
 926 void cx231xx_uninit_bulk(struct cx231xx *dev)
 927 {
 928         struct urb *urb;
 929         int i;
 930
 931         cx231xx_isocdbg("cx231xx: called cx231xx_uninit_bulk\n");
 932
 933         dev->video_mode.bulk_ctl.nfields = -1;
 934         for (i = 0; i < dev->video_mode.bulk_ctl.num_bufs; i++) {
 935                 urb = dev->video_mode.bulk_ctl.urb[i];
 936                 if (urb) {
 937                         if (!irqs_disabled())
 938                                 usb_kill_urb(urb);
 939                         else
 940                                 usb_unlink_urb(urb);
 941
 942                         if (dev->video_mode.bulk_ctl.transfer_buffer[i]) {
 943                                 usb_free_coherent(dev->udev,
 944                                                 urb->transfer_buffer_length,
 945                                                 dev->video_mode.isoc_ctl.
 946                                                 transfer_buffer[i],
 947                                                 urb->transfer_dma);
 948                         }
 949                         usb_free_urb(urb);
 950                         dev->video_mode.bulk_ctl.urb[i] = NULL;
 951                 }
 952                 dev->video_mode.bulk_ctl.transfer_buffer[i] = NULL;
 953         }
 954
 955         kfree(dev->video_mode.bulk_ctl.urb);
 956         kfree(dev->video_mode.bulk_ctl.transfer_buffer);
 957
 958         dev->video_mode.bulk_ctl.urb = NULL;
 959         dev->video_mode.bulk_ctl.transfer_buffer = NULL;
 960         dev->video_mode.bulk_ctl.num_bufs = 0;
 961
 962         if (dev->mode_tv == 0)
 963                 cx231xx_capture_start(dev, 0, Raw_Video);
 964         else
 965                 cx231xx_capture_start(dev, 0, TS1_serial_mode);
 966
 967
 968 }
 969 EXPORT_SYMBOL_GPL(cx231xx_uninit_bulk);
 970
 971 /*
 972  * Allocate URBs and start IRQ
 973  */
 974 int cx231xx_init_isoc(struct cx231xx *dev, int max_packets,
 975                       int num_bufs, int max_pkt_size,
 976                       int (*isoc_copy) (struct cx231xx *dev, struct urb *urb))
 977 {
 978         struct cx231xx_dmaqueue *dma_q = &dev->video_mode.vidq;
 979         int i;
 980         int sb_size, pipe;
 981         struct urb *urb;
 982         int j, k;
 983         int rc;
 984
 985         /* De-allocates all pending stuff */
 986         cx231xx_uninit_isoc(dev);
 987
 988         dma_q->p_left_data = kzalloc(4096, GFP_KERNEL);
 989         if (dma_q->p_left_data == NULL) {
 990                 cx231xx_info("out of mem\n");
 991                 return -ENOMEM;
 992         }
 993
 994
 995
 996         dev->video_mode.isoc_ctl.isoc_copy = isoc_copy;
 997         dev->video_mode.isoc_ctl.num_bufs = num_bufs;
 998         dma_q->pos = 0;
 999         dma_q->is_partial_line = 0;
1000         dma_q->last_sav = 0;
1001         dma_q->current_field = -1;
1002         dma_q->field1_done = 0;
1003         dma_q->lines_per_field = dev->height / 2;
1004         dma_q->bytes_left_in_line = dev->width << 1;
1005         dma_q->lines_completed = 0;
1006         dma_q->mpeg_buffer_done = 0;
1007         dma_q->left_data_count = 0;
1008         dma_q->mpeg_buffer_completed = 0;
1009         dma_q->add_ps_package_head = CX231XX_NEED_ADD_PS_PACKAGE_HEAD;
1010         dma_q->ps_head[0] = 0x00;
1011         dma_q->ps_head[1] = 0x00;
1012         dma_q->ps_head[2] = 0x01;
1013         dma_q->ps_head[3] = 0xBA;
1014         for (i = 0; i < 8; i++)
1015                 dma_q->partial_buf[i] = 0;
1016
1017         dev->video_mode.isoc_ctl.urb =
1018             kzalloc(sizeof(void *) * num_bufs, GFP_KERNEL);
1019         if (!dev->video_mode.isoc_ctl.urb) {
1020                 cx231xx_errdev("cannot alloc memory for usb buffers\n");
1021                 return -ENOMEM;
1022         }
1023
1024         dev->video_mode.isoc_ctl.transfer_buffer =
1025             kzalloc(sizeof(void *) * num_bufs, GFP_KERNEL);
1026         if (!dev->video_mode.isoc_ctl.transfer_buffer) {
1027                 cx231xx_errdev("cannot allocate memory for usbtransfer\n");
1028                 kfree(dev->video_mode.isoc_ctl.urb);
1029                 return -ENOMEM;
1030         }
1031
1032         dev->video_mode.isoc_ctl.max_pkt_size = max_pkt_size;
1033         dev->video_mode.isoc_ctl.buf = NULL;
1034
1035         sb_size = max_packets * dev->video_mode.isoc_ctl.max_pkt_size;
1036
1037         if (dev->mode_tv == 1)
1038                 dev->video_mode.end_point_addr = 0x81;
1039         else
1040                 dev->video_mode.end_point_addr = 0x84;
1041
1042
1043         /* allocate urbs and transfer buffers */
1044         for (i = 0; i < dev->video_mode.isoc_ctl.num_bufs; i++) {
1045                 urb = usb_alloc_urb(max_packets, GFP_KERNEL);
1046                 if (!urb) {
1047                         cx231xx_err("cannot alloc isoc_ctl.urb %i\n", i);
1048                         cx231xx_uninit_isoc(dev);
1049                         return -ENOMEM;
1050                 }
1051                 dev->video_mode.isoc_ctl.urb[i] = urb;
1052
1053                 dev->video_mode.isoc_ctl.transfer_buffer[i] =
1054                     usb_alloc_coherent(dev->udev, sb_size, GFP_KERNEL,
1055                                        &urb->transfer_dma);
1056                 if (!dev->video_mode.isoc_ctl.transfer_buffer[i]) {
1057                         cx231xx_err("unable to allocate %i bytes for transfer"
1058                                     " buffer %i%s\n",
1059                                     sb_size, i,
1060                                     in_interrupt() ? " while in int" : "");
1061                         cx231xx_uninit_isoc(dev);
1062                         return -ENOMEM;
1063                 }
1064                 memset(dev->video_mode.isoc_ctl.transfer_buffer[i], 0, sb_size);
1065
1066                 pipe =
1067                     usb_rcvisocpipe(dev->udev, dev->video_mode.end_point_addr);
1068
1069                 usb_fill_int_urb(urb, dev->udev, pipe,
1070                                  dev->video_mode.isoc_ctl.transfer_buffer[i],
1071                                  sb_size, cx231xx_isoc_irq_callback, dma_q, 1);
1072
1073                 urb->number_of_packets = max_packets;
1074                 urb->transfer_flags = URB_ISO_ASAP;
1075
1076                 k = 0;
1077                 for (j = 0; j < max_packets; j++) {
1078                         urb->iso_frame_desc[j].offset = k;
1079                         urb->iso_frame_desc[j].length =
1080                             dev->video_mode.isoc_ctl.max_pkt_size;
1081                         k += dev->video_mode.isoc_ctl.max_pkt_size;
1082                 }
1083         }
1084
1085         init_waitqueue_head(&dma_q->wq);
1086
1087         /* submit urbs and enables IRQ */
1088         for (i = 0; i < dev->video_mode.isoc_ctl.num_bufs; i++) {
1089                 rc = usb_submit_urb(dev->video_mode.isoc_ctl.urb[i],
1090                                     GFP_ATOMIC);
1091                 if (rc) {
1092                         cx231xx_err("submit of urb %i failed (error=%i)\n", i,
1093                                     rc);
1094                         cx231xx_uninit_isoc(dev);
1095                         return rc;
1096                 }
1097         }
1098
1099         if (dev->mode_tv == 0)
1100                 cx231xx_capture_start(dev, 1, Raw_Video);
1101         else
1102                 cx231xx_capture_start(dev, 1, TS1_serial_mode);
1103
1104         return 0;
1105 }
1106 EXPORT_SYMBOL_GPL(cx231xx_init_isoc);
1107
1108 /*
1109  * Allocate URBs and start IRQ
1110  */
1111 int cx231xx_init_bulk(struct cx231xx *dev, int max_packets,
1112                       int num_bufs, int max_pkt_size,
1113                       int (*bulk_copy) (struct cx231xx *dev, struct urb *urb))
1114 {
1115         struct cx231xx_dmaqueue *dma_q = &dev->video_mode.vidq;
1116         int i;
1117         int sb_size, pipe;
1118         struct urb *urb;
1119         int rc;
1120
1121         dev->video_input = dev->video_input > 2 ? 2 : dev->video_input;
1122
1123         cx231xx_coredbg("Setting Video mux to %d\n", dev->video_input);
1124
1125         video_mux(dev, dev->video_input);
1126
1127         /* De-allocates all pending stuff */
1128         cx231xx_uninit_bulk(dev);
1129
1130         dev->video_mode.bulk_ctl.bulk_copy = bulk_copy;
1131         dev->video_mode.bulk_ctl.num_bufs = num_bufs;
1132         dma_q->pos = 0;
1133         dma_q->is_partial_line = 0;
1134         dma_q->last_sav = 0;
1135         dma_q->current_field = -1;
1136         dma_q->field1_done = 0;
1137         dma_q->lines_per_field = dev->height / 2;
1138         dma_q->bytes_left_in_line = dev->width << 1;
1139         dma_q->lines_completed = 0;
1140         dma_q->mpeg_buffer_done = 0;
1141         dma_q->left_data_count = 0;
1142         dma_q->mpeg_buffer_completed = 0;
1143         dma_q->ps_head[0] = 0x00;
1144         dma_q->ps_head[1] = 0x00;
1145         dma_q->ps_head[2] = 0x01;
1146         dma_q->ps_head[3] = 0xBA;
1147         for (i = 0; i < 8; i++)
1148                 dma_q->partial_buf[i] = 0;
1149
1150         dev->video_mode.bulk_ctl.urb =
1151             kzalloc(sizeof(void *) * num_bufs, GFP_KERNEL);
1152         if (!dev->video_mode.bulk_ctl.urb) {
1153                 cx231xx_errdev("cannot alloc memory for usb buffers\n");
1154                 return -ENOMEM;
1155         }
1156
1157         dev->video_mode.bulk_ctl.transfer_buffer =
1158             kzalloc(sizeof(void *) * num_bufs, GFP_KERNEL);
1159         if (!dev->video_mode.bulk_ctl.transfer_buffer) {
1160                 cx231xx_errdev("cannot allocate memory for usbtransfer\n");
1161                 kfree(dev->video_mode.bulk_ctl.urb);
1162                 return -ENOMEM;
1163         }
1164
1165         dev->video_mode.bulk_ctl.max_pkt_size = max_pkt_size;
1166         dev->video_mode.bulk_ctl.buf = NULL;
1167
1168         sb_size = max_packets * dev->video_mode.bulk_ctl.max_pkt_size;
1169
1170         if (dev->mode_tv == 1)
1171                 dev->video_mode.end_point_addr = 0x81;
1172         else
1173                 dev->video_mode.end_point_addr = 0x84;
1174
1175
1176         /* allocate urbs and transfer buffers */
1177         for (i = 0; i < dev->video_mode.bulk_ctl.num_bufs; i++) {
1178                 urb = usb_alloc_urb(0, GFP_KERNEL);
1179                 if (!urb) {
1180                         cx231xx_err("cannot alloc bulk_ctl.urb %i\n", i);
1181                         cx231xx_uninit_bulk(dev);
1182                         return -ENOMEM;
1183                 }
1184                 dev->video_mode.bulk_ctl.urb[i] = urb;
1185                 urb->transfer_flags = 0;
1186
1187                 dev->video_mode.bulk_ctl.transfer_buffer[i] =
1188                     usb_alloc_coherent(dev->udev, sb_size, GFP_KERNEL,
1189                                      &urb->transfer_dma);
1190                 if (!dev->video_mode.bulk_ctl.transfer_buffer[i]) {
1191                         cx231xx_err("unable to allocate %i bytes for transfer"
1192                                     " buffer %i%s\n",
1193                                     sb_size, i,
1194                                     in_interrupt() ? " while in int" : "");
1195                         cx231xx_uninit_bulk(dev);
1196                         return -ENOMEM;
1197                 }
1198                 memset(dev->video_mode.bulk_ctl.transfer_buffer[i], 0, sb_size);
1199
1200                 pipe = usb_rcvbulkpipe(dev->udev,
1201                                  dev->video_mode.end_point_addr);
1202                 usb_fill_bulk_urb(urb, dev->udev, pipe,
1203                                   dev->video_mode.bulk_ctl.transfer_buffer[i],
1204                                   sb_size, cx231xx_bulk_irq_callback, dma_q);
1205         }
1206
1207         init_waitqueue_head(&dma_q->wq);
1208
1209         /* submit urbs and enables IRQ */
1210         for (i = 0; i < dev->video_mode.bulk_ctl.num_bufs; i++) {
1211                 rc = usb_submit_urb(dev->video_mode.bulk_ctl.urb[i],
1212                                     GFP_ATOMIC);
1213                 if (rc) {
1214                         cx231xx_err("submit of urb %i failed (error=%i)\n", i,
1215                                     rc);
1216                         cx231xx_uninit_bulk(dev);
1217                         return rc;
1218                 }
1219         }
1220
1221         if (dev->mode_tv == 0)
1222                 cx231xx_capture_start(dev, 1, Raw_Video);
1223         else
1224                 cx231xx_capture_start(dev, 1, TS1_serial_mode);
1225
1226         return 0;
1227 }
1228 EXPORT_SYMBOL_GPL(cx231xx_init_bulk);
1229 void cx231xx_stop_TS1(struct cx231xx *dev)
1230 {
1231         int status = 0;
1232         u8 val[4] = { 0, 0, 0, 0 };
1233
1234                         val[0] = 0x00;
1235                         val[1] = 0x03;
1236                         val[2] = 0x00;
1237                         val[3] = 0x00;
1238                         status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
1239                                  TS_MODE_REG, val, 4);
1240
1241                         val[0] = 0x00;
1242                         val[1] = 0x70;
1243                         val[2] = 0x04;
1244                         val[3] = 0x00;
1245                         status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
1246                                  TS1_CFG_REG, val, 4);
1247 }
1248 /* EXPORT_SYMBOL_GPL(cx231xx_stop_TS1); */
1249 void cx231xx_start_TS1(struct cx231xx *dev)
1250 {
1251         int status = 0;
1252         u8 val[4] = { 0, 0, 0, 0 };
1253
1254                         val[0] = 0x03;
1255                         val[1] = 0x03;
1256                         val[2] = 0x00;
1257                         val[3] = 0x00;
1258                         status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
1259                                  TS_MODE_REG, val, 4);
1260
1261                         val[0] = 0x04;
1262                         val[1] = 0xA3;
1263                         val[2] = 0x3B;
1264                         val[3] = 0x00;
1265                         status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
1266                                  TS1_CFG_REG, val, 4);
1267 }
1268 /* EXPORT_SYMBOL_GPL(cx231xx_start_TS1); */
1269 /*****************************************************************
1270 *             Device Init/UnInit functions                       *
1271 ******************************************************************/
1272 int cx231xx_dev_init(struct cx231xx *dev)
1273 {
1274         int errCode = 0;
1275
1276         /* Initialize I2C bus */
1277
1278         /* External Master 1 Bus */
1279         dev->i2c_bus[0].nr = 0;
1280         dev->i2c_bus[0].dev = dev;
1281         dev->i2c_bus[0].i2c_period = I2C_SPEED_100K;    /* 100 KHz */
1282         dev->i2c_bus[0].i2c_nostop = 0;
1283         dev->i2c_bus[0].i2c_reserve = 0;
1284
1285         /* External Master 2 Bus */
1286         dev->i2c_bus[1].nr = 1;
1287         dev->i2c_bus[1].dev = dev;
1288         dev->i2c_bus[1].i2c_period = I2C_SPEED_100K;    /* 100 KHz */
1289         dev->i2c_bus[1].i2c_nostop = 0;
1290         dev->i2c_bus[1].i2c_reserve = 0;
1291
1292         /* Internal Master 3 Bus */
1293         dev->i2c_bus[2].nr = 2;
1294         dev->i2c_bus[2].dev = dev;
1295         dev->i2c_bus[2].i2c_period = I2C_SPEED_100K;    /* 100kHz */
1296         dev->i2c_bus[2].i2c_nostop = 0;
1297         dev->i2c_bus[2].i2c_reserve = 0;
1298
1299         /* register I2C buses */
1300         cx231xx_i2c_register(&dev->i2c_bus[0]);
1301         cx231xx_i2c_register(&dev->i2c_bus[1]);
1302         cx231xx_i2c_register(&dev->i2c_bus[2]);
1303
1304         /* init hardware */
1305         /* Note : with out calling set power mode function,
1306         afe can not be set up correctly */
1307         if (dev->board.external_av) {
1308                 errCode = cx231xx_set_power_mode(dev,
1309                                  POLARIS_AVMODE_ENXTERNAL_AV);
1310                 if (errCode < 0) {
1311                         cx231xx_errdev
1312                         ("%s: Failed to set Power - errCode [%d]!\n",
1313                         __func__, errCode);
1314                         return errCode;
1315                 }
1316         } else {
1317                 errCode = cx231xx_set_power_mode(dev,
1318                                  POLARIS_AVMODE_ANALOGT_TV);
1319                 if (errCode < 0) {
1320                         cx231xx_errdev
1321                         ("%s: Failed to set Power - errCode [%d]!\n",
1322                         __func__, errCode);
1323                         return errCode;
1324                 }
1325         }
1326
1327         /* reset the Tuner, if it is a Xceive tuner */
1328         if ((dev->board.tuner_type == TUNER_XC5000) ||
1329             (dev->board.tuner_type == TUNER_XC2028))
1330                         cx231xx_gpio_set(dev, dev->board.tuner_gpio);
1331
1332         /* initialize Colibri block */
1333         errCode = cx231xx_afe_init_super_block(dev, 0x23c);
1334         if (errCode < 0) {
1335                 cx231xx_errdev
1336                     ("%s: cx231xx_afe init super block - errCode [%d]!\n",
1337                      __func__, errCode);
1338                 return errCode;
1339         }
1340         errCode = cx231xx_afe_init_channels(dev);
1341         if (errCode < 0) {
1342                 cx231xx_errdev
1343                     ("%s: cx231xx_afe init channels - errCode [%d]!\n",
1344                      __func__, errCode);
1345                 return errCode;
1346         }
1347
1348         /* Set DIF in By pass mode */
1349         errCode = cx231xx_dif_set_standard(dev, DIF_USE_BASEBAND);
1350         if (errCode < 0) {
1351                 cx231xx_errdev
1352                     ("%s: cx231xx_dif set to By pass mode - errCode [%d]!\n",
1353                      __func__, errCode);
1354                 return errCode;
1355         }
1356
1357         /* I2S block related functions */
1358         errCode = cx231xx_i2s_blk_initialize(dev);
1359         if (errCode < 0) {
1360                 cx231xx_errdev
1361                     ("%s: cx231xx_i2s block initialize - errCode [%d]!\n",
1362                      __func__, errCode);
1363                 return errCode;
1364         }
1365
1366         /* init control pins */
1367         errCode = cx231xx_init_ctrl_pin_status(dev);
1368         if (errCode < 0) {
1369                 cx231xx_errdev("%s: cx231xx_init ctrl pins - errCode [%d]!\n",
1370                                __func__, errCode);
1371                 return errCode;
1372         }
1373
1374         /* set AGC mode to Analog */
1375         switch (dev->model) {
1376         case CX231XX_BOARD_CNXT_CARRAERA:
1377         case CX231XX_BOARD_CNXT_RDE_250:
1378         case CX231XX_BOARD_CNXT_SHELBY:
1379         case CX231XX_BOARD_CNXT_RDU_250:
1380         errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 1);
1381                 break;
1382         case CX231XX_BOARD_CNXT_RDE_253S:
1383         case CX231XX_BOARD_CNXT_RDU_253S:
1384         case CX231XX_BOARD_HAUPPAUGE_EXETER:
1385         case CX231XX_BOARD_PV_PLAYTV_USB_HYBRID:
1386         case CX231XX_BOARD_HAUPPAUGE_USB2_FM_PAL:
1387         case CX231XX_BOARD_HAUPPAUGE_USB2_FM_NTSC:
1388         errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 0);
1389                 break;
1390         default:
1391                 break;
1392         }
1393         if (errCode < 0) {
1394                 cx231xx_errdev
1395                     ("%s: cx231xx_AGC mode to Analog - errCode [%d]!\n",
1396                      __func__, errCode);
1397                 return errCode;
1398         }
1399
1400         /* set all alternate settings to zero initially */
1401         cx231xx_set_alt_setting(dev, INDEX_VIDEO, 0);
1402         cx231xx_set_alt_setting(dev, INDEX_VANC, 0);
1403         cx231xx_set_alt_setting(dev, INDEX_HANC, 0);
1404         if (dev->board.has_dvb)
1405                 cx231xx_set_alt_setting(dev, INDEX_TS1, 0);
1406
1407         /* set the I2C master port to 3 on channel 1 */
1408         errCode = cx231xx_enable_i2c_port_3(dev, true);
1409
1410         return errCode;
1411 }
1412 EXPORT_SYMBOL_GPL(cx231xx_dev_init);
1413
1414 void cx231xx_dev_uninit(struct cx231xx *dev)
1415 {
1416         /* Un Initialize I2C bus */
1417         cx231xx_i2c_unregister(&dev->i2c_bus[2]);
1418         cx231xx_i2c_unregister(&dev->i2c_bus[1]);
1419         cx231xx_i2c_unregister(&dev->i2c_bus[0]);
1420 }
1421 EXPORT_SYMBOL_GPL(cx231xx_dev_uninit);
1422
1423 /*****************************************************************
1424 *              G P I O related functions                         *
1425 ******************************************************************/
1426 int cx231xx_send_gpio_cmd(struct cx231xx *dev, u32 gpio_bit, u8 *gpio_val,
1427                           u8 len, u8 request, u8 direction)
1428 {
1429         int status = 0;
1430         struct VENDOR_REQUEST_IN ven_req;
1431
1432         /* Set wValue */
1433         ven_req.wValue = (u16) (gpio_bit >> 16 & 0xffff);
1434
1435         /* set request */
1436         if (!request) {
1437                 if (direction)
1438                         ven_req.bRequest = VRT_GET_GPIO;        /* 0x8 gpio */
1439                 else
1440                         ven_req.bRequest = VRT_SET_GPIO;        /* 0x9 gpio */
1441         } else {
1442                 if (direction)
1443                         ven_req.bRequest = VRT_GET_GPIE;        /* 0xa gpie */
1444                 else
1445                         ven_req.bRequest = VRT_SET_GPIE;        /* 0xb gpie */
1446         }
1447
1448         /* set index value */
1449         ven_req.wIndex = (u16) (gpio_bit & 0xffff);
1450
1451         /* set wLength value */
1452         ven_req.wLength = len;
1453
1454         /* set bData value */
1455         ven_req.bData = 0;
1456
1457         /* set the buffer for read / write */
1458         ven_req.pBuff = gpio_val;
1459
1460         /* set the direction */
1461         if (direction) {
1462                 ven_req.direction = USB_DIR_IN;
1463                 memset(ven_req.pBuff, 0x00, ven_req.wLength);
1464         } else
1465                 ven_req.direction = USB_DIR_OUT;
1466
1467
1468         /* call common vendor command request */
1469         status = cx231xx_send_vendor_cmd(dev, &ven_req);
1470         if (status < 0) {
1471                 cx231xx_info
1472                     ("UsbInterface::sendCommand, failed with status -%d\n",
1473                      status);
1474         }
1475
1476         return status;
1477 }
1478 EXPORT_SYMBOL_GPL(cx231xx_send_gpio_cmd);
1479
1480 /*****************************************************************
1481  *    C O N T R O L - Register R E A D / W R I T E functions     *
1482  *****************************************************************/
1483 int cx231xx_mode_register(struct cx231xx *dev, u16 address, u32 mode)
1484 {
1485         u8 value[4] = { 0x0, 0x0, 0x0, 0x0 };
1486         u32 tmp = 0;
1487         int status = 0;
1488
1489         status =
1490             cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, address, value, 4);
1491         if (status < 0)
1492                 return status;
1493
1494         tmp = *((u32 *) value);
1495         tmp |= mode;
1496
1497         value[0] = (u8) tmp;
1498         value[1] = (u8) (tmp >> 8);
1499         value[2] = (u8) (tmp >> 16);
1500         value[3] = (u8) (tmp >> 24);
1501
1502         status =
1503             cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, address, value, 4);
1504
1505         return status;
1506 }
1507
1508 /*****************************************************************
1509  *            I 2 C Internal C O N T R O L   functions           *
1510  *****************************************************************/
1511 int cx231xx_read_i2c_master(struct cx231xx *dev, u8 dev_addr, u16 saddr,
1512                           u8 saddr_len, u32 *data, u8 data_len, int master)
1513 {
1514         int status = 0;
1515         struct cx231xx_i2c_xfer_data req_data;
1516         u8 value[64] = "0";
1517
1518         if (saddr_len == 0)
1519                 saddr = 0;
1520         else if (saddr_len == 1)
1521                 saddr &= 0xff;
1522
1523         /* prepare xfer_data struct */
1524         req_data.dev_addr = dev_addr >> 1;
1525         req_data.direction = I2C_M_RD;
1526         req_data.saddr_len = saddr_len;
1527         req_data.saddr_dat = saddr;
1528         req_data.buf_size = data_len;
1529         req_data.p_buffer = (u8 *) value;
1530
1531         /* usb send command */
1532         if (master == 0)
1533                 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[0],
1534                                          &req_data);
1535         else if (master == 1)
1536                 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[1],
1537                                          &req_data);
1538         else if (master == 2)
1539                 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[2],
1540                                          &req_data);
1541
1542         if (status >= 0) {
1543                 /* Copy the data read back to main buffer */
1544                 if (data_len == 1)
1545                         *data = value[0];
1546                 else if (data_len == 4)
1547                         *data =
1548                             value[0] | value[1] << 8 | value[2] << 16 | value[3]
1549                             << 24;
1550                 else if (data_len > 4)
1551                         *data = value[saddr];
1552         }
1553
1554         return status;
1555 }
1556
1557 int cx231xx_write_i2c_master(struct cx231xx *dev, u8 dev_addr, u16 saddr,
1558                            u8 saddr_len, u32 data, u8 data_len, int master)
1559 {
1560         int status = 0;
1561         u8 value[4] = { 0, 0, 0, 0 };
1562         struct cx231xx_i2c_xfer_data req_data;
1563
1564         value[0] = (u8) data;
1565         value[1] = (u8) (data >> 8);
1566         value[2] = (u8) (data >> 16);
1567         value[3] = (u8) (data >> 24);
1568
1569         if (saddr_len == 0)
1570                 saddr = 0;
1571         else if (saddr_len == 1)
1572                 saddr &= 0xff;
1573
1574         /* prepare xfer_data struct */
1575         req_data.dev_addr = dev_addr >> 1;
1576         req_data.direction = 0;
1577         req_data.saddr_len = saddr_len;
1578         req_data.saddr_dat = saddr;
1579         req_data.buf_size = data_len;
1580         req_data.p_buffer = value;
1581
1582         /* usb send command */
1583         if (master == 0)
1584                 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[0],
1585                                  &req_data);
1586         else if (master == 1)
1587                 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[1],
1588                                  &req_data);
1589         else if (master == 2)
1590                 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[2],
1591                                  &req_data);
1592
1593         return status;
1594 }
1595
1596 int cx231xx_read_i2c_data(struct cx231xx *dev, u8 dev_addr, u16 saddr,
1597                           u8 saddr_len, u32 *data, u8 data_len)
1598 {
1599         int status = 0;
1600         struct cx231xx_i2c_xfer_data req_data;
1601         u8 value[4] = { 0, 0, 0, 0 };
1602
1603         if (saddr_len == 0)
1604                 saddr = 0;
1605         else if (saddr_len == 1)
1606                 saddr &= 0xff;
1607
1608         /* prepare xfer_data struct */
1609         req_data.dev_addr = dev_addr >> 1;
1610         req_data.direction = I2C_M_RD;
1611         req_data.saddr_len = saddr_len;
1612         req_data.saddr_dat = saddr;
1613         req_data.buf_size = data_len;
1614         req_data.p_buffer = (u8 *) value;
1615
1616         /* usb send command */
1617         status = dev->cx231xx_send_usb_command(&dev->i2c_bus[0], &req_data);
1618
1619         if (status >= 0) {
1620                 /* Copy the data read back to main buffer */
1621                 if (data_len == 1)
1622                         *data = value[0];
1623                 else
1624                         *data =
1625                             value[0] | value[1] << 8 | value[2] << 16 | value[3]
1626                             << 24;
1627         }
1628
1629         return status;
1630 }
1631
1632 int cx231xx_write_i2c_data(struct cx231xx *dev, u8 dev_addr, u16 saddr,
1633                            u8 saddr_len, u32 data, u8 data_len)
1634 {
1635         int status = 0;
1636         u8 value[4] = { 0, 0, 0, 0 };
1637         struct cx231xx_i2c_xfer_data req_data;
1638
1639         value[0] = (u8) data;
1640         value[1] = (u8) (data >> 8);
1641         value[2] = (u8) (data >> 16);
1642         value[3] = (u8) (data >> 24);
1643
1644         if (saddr_len == 0)
1645                 saddr = 0;
1646         else if (saddr_len == 1)
1647                 saddr &= 0xff;
1648
1649         /* prepare xfer_data struct */
1650         req_data.dev_addr = dev_addr >> 1;
1651         req_data.direction = 0;
1652         req_data.saddr_len = saddr_len;
1653         req_data.saddr_dat = saddr;
1654         req_data.buf_size = data_len;
1655         req_data.p_buffer = value;
1656
1657         /* usb send command */
1658         status = dev->cx231xx_send_usb_command(&dev->i2c_bus[0], &req_data);
1659
1660         return status;
1661 }
1662
1663 int cx231xx_reg_mask_write(struct cx231xx *dev, u8 dev_addr, u8 size,
1664                            u16 register_address, u8 bit_start, u8 bit_end,
1665                            u32 value)
1666 {
1667         int status = 0;
1668         u32 tmp;
1669         u32 mask = 0;
1670         int i;
1671
1672         if (bit_start > (size - 1) || bit_end > (size - 1))
1673                 return -1;
1674
1675         if (size == 8) {
1676                 status =
1677                     cx231xx_read_i2c_data(dev, dev_addr, register_address, 2,
1678                                           &tmp, 1);
1679         } else {
1680                 status =
1681                     cx231xx_read_i2c_data(dev, dev_addr, register_address, 2,
1682                                           &tmp, 4);
1683         }
1684
1685         if (status < 0)
1686                 return status;
1687
1688         mask = 1 << bit_end;
1689         for (i = bit_end; i > bit_start && i > 0; i--)
1690                 mask = mask + (1 << (i - 1));
1691
1692         value <<= bit_start;
1693
1694         if (size == 8) {
1695                 tmp &= ~mask;
1696                 tmp |= value;
1697                 tmp &= 0xff;
1698                 status =
1699                     cx231xx_write_i2c_data(dev, dev_addr, register_address, 2,
1700                                            tmp, 1);
1701         } else {
1702                 tmp &= ~mask;
1703                 tmp |= value;
1704                 status =
1705                     cx231xx_write_i2c_data(dev, dev_addr, register_address, 2,
1706                                            tmp, 4);
1707         }
1708
1709         return status;
1710 }
1711
1712 int cx231xx_read_modify_write_i2c_dword(struct cx231xx *dev, u8 dev_addr,
1713                                         u16 saddr, u32 mask, u32 value)
1714 {
1715         u32 temp;
1716         int status = 0;
1717
1718         status = cx231xx_read_i2c_data(dev, dev_addr, saddr, 2, &temp, 4);
1719
1720         if (status < 0)
1721                 return status;
1722
1723         temp &= ~mask;
1724         temp |= value;
1725
1726         status = cx231xx_write_i2c_data(dev, dev_addr, saddr, 2, temp, 4);
1727
1728         return status;
1729 }
1730
1731 u32 cx231xx_set_field(u32 field_mask, u32 data)
1732 {
1733         u32 temp;
1734
1735         for (temp = field_mask; (temp & 1) == 0; temp >>= 1)
1736                 data <<= 1;
1737
1738         return data;
1739 }