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         if (dev->state & DEV_DISCONNECTED)
 170                 return -ENODEV;
 171
 172         /* Get the I2C period, nostop and reserve parameters */
 173         _i2c_period = i2c_bus->i2c_period;
 174         _i2c_nostop = i2c_bus->i2c_nostop;
 175         _i2c_reserve = i2c_bus->i2c_reserve;
 176
 177         saddr_len = req_data->saddr_len;
 178
 179         /* Set wValue */
 180         if (saddr_len == 1)     /* need check saddr_len == 0  */
 181                 ven_req.wValue =
 182                     req_data->
 183                     dev_addr << 9 | _i2c_period << 4 | saddr_len << 2 |
 184                     _i2c_nostop << 1 | I2C_SYNC | _i2c_reserve << 6;
 185         else
 186                 ven_req.wValue =
 187                     req_data->
 188                     dev_addr << 9 | _i2c_period << 4 | saddr_len << 2 |
 189                     _i2c_nostop << 1 | I2C_SYNC | _i2c_reserve << 6;
 190
 191         /* set channel number */
 192         if (req_data->direction & I2C_M_RD) {
 193                 /* channel number, for read,spec required channel_num +4 */
 194                 ven_req.bRequest = i2c_bus->nr + 4;
 195         } else
 196                 ven_req.bRequest = i2c_bus->nr; /* channel number,  */
 197
 198         /* set index value */
 199         switch (saddr_len) {
 200         case 0:
 201                 ven_req.wIndex = 0;     /* need check */
 202                 break;
 203         case 1:
 204                 ven_req.wIndex = (req_data->saddr_dat & 0xff);
 205                 break;
 206         case 2:
 207                 ven_req.wIndex = req_data->saddr_dat;
 208                 break;
 209         }
 210
 211         /* set wLength value */
 212         ven_req.wLength = req_data->buf_size;
 213
 214         /* set bData value */
 215         ven_req.bData = 0;
 216
 217         /* set the direction */
 218         if (req_data->direction) {
 219                 ven_req.direction = USB_DIR_IN;
 220                 memset(req_data->p_buffer, 0x00, ven_req.wLength);
 221         } else
 222                 ven_req.direction = USB_DIR_OUT;
 223
 224         /* set the buffer for read / write */
 225         ven_req.pBuff = req_data->p_buffer;
 226
 227
 228         /* call common vendor command request */
 229         status = cx231xx_send_vendor_cmd(dev, &ven_req);
 230         if (status < 0) {
 231                 cx231xx_info
 232                     ("UsbInterface::sendCommand, failed with status -%d\n",
 233                      status);
 234         }
 235
 236         return status;
 237 }
 238 EXPORT_SYMBOL_GPL(cx231xx_send_usb_command);
 239
 240 /*
 241  * Sends/Receives URB control messages, assuring to use a kalloced buffer
 242  * for all operations (dev->urb_buf), to avoid using stacked buffers, as
 243  * they aren't safe for usage with USB, due to DMA restrictions.
 244  * Also implements the debug code for control URB's.
 245  */
 246 static int __usb_control_msg(struct cx231xx *dev, unsigned int pipe,
 247         __u8 request, __u8 requesttype, __u16 value, __u16 index,
 248         void *data, __u16 size, int timeout)
 249 {
 250         int rc, i;
 251
 252         if (reg_debug) {
 253                 printk(KERN_DEBUG "%s: (pipe 0x%08x): "
 254                                 "%s:  %02x %02x %02x %02x %02x %02x %02x %02x ",
 255                                 dev->name,
 256                                 pipe,
 257                                 (requesttype & USB_DIR_IN) ? "IN" : "OUT",
 258                                 requesttype,
 259                                 request,
 260                                 value & 0xff, value >> 8,
 261                                 index & 0xff, index >> 8,
 262                                 size & 0xff, size >> 8);
 263                 if (!(requesttype & USB_DIR_IN)) {
 264                         printk(KERN_CONT ">>>");
 265                         for (i = 0; i < size; i++)
 266                                 printk(KERN_CONT " %02x",
 267                                        ((unsigned char *)data)[i]);
 268                 }
 269         }
 270
 271         /* Do the real call to usb_control_msg */
 272         mutex_lock(&dev->ctrl_urb_lock);
 273         if (!(requesttype & USB_DIR_IN) && size)
 274                 memcpy(dev->urb_buf, data, size);
 275         rc = usb_control_msg(dev->udev, pipe, request, requesttype, value,
 276                              index, dev->urb_buf, size, timeout);
 277         if ((requesttype & USB_DIR_IN) && size)
 278                 memcpy(data, dev->urb_buf, size);
 279         mutex_unlock(&dev->ctrl_urb_lock);
 280
 281         if (reg_debug) {
 282                 if (unlikely(rc < 0)) {
 283                         printk(KERN_CONT "FAILED!\n");
 284                         return rc;
 285                 }
 286
 287                 if ((requesttype & USB_DIR_IN)) {
 288                         printk(KERN_CONT "<<<");
 289                         for (i = 0; i < size; i++)
 290                                 printk(KERN_CONT " %02x",
 291                                        ((unsigned char *)data)[i]);
 292                 }
 293                 printk(KERN_CONT "\n");
 294         }
 295
 296         return rc;
 297 }
 298
 299
 300 /*
 301  * cx231xx_read_ctrl_reg()
 302  * reads data from the usb device specifying bRequest and wValue
 303  */
 304 int cx231xx_read_ctrl_reg(struct cx231xx *dev, u8 req, u16 reg,
 305                           char *buf, int len)
 306 {
 307         u8 val = 0;
 308         int ret;
 309         int pipe = usb_rcvctrlpipe(dev->udev, 0);
 310
 311         if (dev->state & DEV_DISCONNECTED)
 312                 return -ENODEV;
 313
 314         if (len > URB_MAX_CTRL_SIZE)
 315                 return -EINVAL;
 316
 317         switch (len) {
 318         case 1:
 319                 val = ENABLE_ONE_BYTE;
 320                 break;
 321         case 2:
 322                 val = ENABLE_TWE_BYTE;
 323                 break;
 324         case 3:
 325                 val = ENABLE_THREE_BYTE;
 326                 break;
 327         case 4:
 328                 val = ENABLE_FOUR_BYTE;
 329                 break;
 330         default:
 331                 val = 0xFF;     /* invalid option */
 332         }
 333
 334         if (val == 0xFF)
 335                 return -EINVAL;
 336
 337         ret = __usb_control_msg(dev, pipe, req,
 338                               USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 339                               val, reg, buf, len, HZ);
 340         return ret;
 341 }
 342
 343 int cx231xx_send_vendor_cmd(struct cx231xx *dev,
 344                                 struct VENDOR_REQUEST_IN *ven_req)
 345 {
 346         int ret;
 347         int pipe = 0;
 348         int unsend_size = 0;
 349         u8 *pdata;
 350
 351         if (dev->state & DEV_DISCONNECTED)
 352                 return -ENODEV;
 353
 354         if ((ven_req->wLength > URB_MAX_CTRL_SIZE))
 355                 return -EINVAL;
 356
 357         if (ven_req->direction)
 358                 pipe = usb_rcvctrlpipe(dev->udev, 0);
 359         else
 360                 pipe = usb_sndctrlpipe(dev->udev, 0);
 361
 362         /*
 363          * If the cx23102 read more than 4 bytes with i2c bus,
 364          * need chop to 4 byte per request
 365          */
 366         if ((ven_req->wLength > 4) && ((ven_req->bRequest == 0x4) ||
 367                                         (ven_req->bRequest == 0x5) ||
 368                                         (ven_req->bRequest == 0x6))) {
 369                 unsend_size = 0;
 370                 pdata = ven_req->pBuff;
 371
 372
 373                 unsend_size = ven_req->wLength;
 374
 375                 /* the first package */
 376                 ven_req->wValue = ven_req->wValue & 0xFFFB;
 377                 ven_req->wValue = (ven_req->wValue & 0xFFBD) | 0x2;
 378                 ret = __usb_control_msg(dev, pipe, ven_req->bRequest,
 379                         ven_req->direction | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 380                         ven_req->wValue, ven_req->wIndex, pdata,
 381                         0x0004, HZ);
 382                 unsend_size = unsend_size - 4;
 383
 384                 /* the middle package */
 385                 ven_req->wValue = (ven_req->wValue & 0xFFBD) | 0x42;
 386                 while (unsend_size - 4 > 0) {
 387                         pdata = pdata + 4;
 388                         ret = __usb_control_msg(dev, pipe,
 389                                 ven_req->bRequest,
 390                                 ven_req->direction | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 391                                 ven_req->wValue, ven_req->wIndex, pdata,
 392                                 0x0004, HZ);
 393                         unsend_size = unsend_size - 4;
 394                 }
 395
 396                 /* the last package */
 397                 ven_req->wValue = (ven_req->wValue & 0xFFBD) | 0x40;
 398                 pdata = pdata + 4;
 399                 ret = __usb_control_msg(dev, pipe, ven_req->bRequest,
 400                         ven_req->direction | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 401                         ven_req->wValue, ven_req->wIndex, pdata,
 402                         unsend_size, HZ);
 403         } else {
 404                 ret = __usb_control_msg(dev, pipe, ven_req->bRequest,
 405                                 ven_req->direction | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 406                                 ven_req->wValue, ven_req->wIndex,
 407                                 ven_req->pBuff, ven_req->wLength, HZ);
 408         }
 409
 410         return ret;
 411 }
 412
 413 /*
 414  * cx231xx_write_ctrl_reg()
 415  * sends data to the usb device, specifying bRequest
 416  */
 417 int cx231xx_write_ctrl_reg(struct cx231xx *dev, u8 req, u16 reg, char *buf,
 418                            int len)
 419 {
 420         u8 val = 0;
 421         int ret;
 422         int pipe = usb_sndctrlpipe(dev->udev, 0);
 423
 424         if (dev->state & DEV_DISCONNECTED)
 425                 return -ENODEV;
 426
 427         if ((len < 1) || (len > URB_MAX_CTRL_SIZE))
 428                 return -EINVAL;
 429
 430         switch (len) {
 431         case 1:
 432                 val = ENABLE_ONE_BYTE;
 433                 break;
 434         case 2:
 435                 val = ENABLE_TWE_BYTE;
 436                 break;
 437         case 3:
 438                 val = ENABLE_THREE_BYTE;
 439                 break;
 440         case 4:
 441                 val = ENABLE_FOUR_BYTE;
 442                 break;
 443         default:
 444                 val = 0xFF;     /* invalid option */
 445         }
 446
 447         if (val == 0xFF)
 448                 return -EINVAL;
 449
 450         if (reg_debug) {
 451                 int byte;
 452
 453                 cx231xx_isocdbg("(pipe 0x%08x): "
 454                         "OUT: %02x %02x %02x %02x %02x %02x %02x %02x >>>",
 455                         pipe,
 456                         USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 457                         req, 0, val, reg & 0xff,
 458                         reg >> 8, len & 0xff, len >> 8);
 459
 460                 for (byte = 0; byte < len; byte++)
 461                         cx231xx_isocdbg(" %02x", (unsigned char)buf[byte]);
 462                 cx231xx_isocdbg("\n");
 463         }
 464
 465         ret = __usb_control_msg(dev, pipe, req,
 466                               USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 467                               val, reg, buf, len, HZ);
 468
 469         return ret;
 470 }
 471
 472 /****************************************************************
 473 *           USB Alternate Setting functions                     *
 474 *****************************************************************/
 475
 476 int cx231xx_set_video_alternate(struct cx231xx *dev)
 477 {
 478         int errCode, prev_alt = dev->video_mode.alt;
 479         unsigned int min_pkt_size = dev->width * 2 + 4;
 480         u32 usb_interface_index = 0;
 481
 482         /* When image size is bigger than a certain value,
 483            the frame size should be increased, otherwise, only
 484            green screen will be received.
 485          */
 486         if (dev->width * 2 * dev->height > 720 * 240 * 2)
 487                 min_pkt_size *= 2;
 488
 489         if (dev->width > 360) {
 490                 /* resolutions: 720,704,640 */
 491                 dev->video_mode.alt = 3;
 492         } else if (dev->width > 180) {
 493                 /* resolutions: 360,352,320,240 */
 494                 dev->video_mode.alt = 2;
 495         } else if (dev->width > 0) {
 496                 /* resolutions: 180,176,160,128,88 */
 497                 dev->video_mode.alt = 1;
 498         } else {
 499                 /* Change to alt0 BULK to release USB bandwidth */
 500                 dev->video_mode.alt = 0;
 501         }
 502
 503         if (dev->USE_ISO == 0)
 504                 dev->video_mode.alt = 0;
 505
 506         cx231xx_coredbg("dev->video_mode.alt= %d\n", dev->video_mode.alt);
 507
 508         /* Get the correct video interface Index */
 509         usb_interface_index =
 510             dev->current_pcb_config.hs_config_info[0].interface_info.
 511             video_index + 1;
 512
 513         if (dev->video_mode.alt != prev_alt) {
 514                 cx231xx_coredbg("minimum isoc packet size: %u (alt=%d)\n",
 515                                 min_pkt_size, dev->video_mode.alt);
 516
 517                 if (dev->video_mode.alt_max_pkt_size != NULL)
 518                         dev->video_mode.max_pkt_size =
 519                         dev->video_mode.alt_max_pkt_size[dev->video_mode.alt];
 520                 cx231xx_coredbg("setting alternate %d with wMaxPacketSize=%u\n",
 521                                 dev->video_mode.alt,
 522                                 dev->video_mode.max_pkt_size);
 523                 errCode =
 524                     usb_set_interface(dev->udev, usb_interface_index,
 525                                       dev->video_mode.alt);
 526                 if (errCode < 0) {
 527                         cx231xx_errdev
 528                             ("cannot change alt number to %d (error=%i)\n",
 529                              dev->video_mode.alt, errCode);
 530                         return errCode;
 531                 }
 532         }
 533         return 0;
 534 }
 535
 536 int cx231xx_set_alt_setting(struct cx231xx *dev, u8 index, u8 alt)
 537 {
 538         int status = 0;
 539         u32 usb_interface_index = 0;
 540         u32 max_pkt_size = 0;
 541
 542         switch (index) {
 543         case INDEX_TS1:
 544                 usb_interface_index =
 545                     dev->current_pcb_config.hs_config_info[0].interface_info.
 546                     ts1_index + 1;
 547                 dev->ts1_mode.alt = alt;
 548                 if (dev->ts1_mode.alt_max_pkt_size != NULL)
 549                         max_pkt_size = dev->ts1_mode.max_pkt_size =
 550                             dev->ts1_mode.alt_max_pkt_size[dev->ts1_mode.alt];
 551                 break;
 552         case INDEX_TS2:
 553                 usb_interface_index =
 554                     dev->current_pcb_config.hs_config_info[0].interface_info.
 555                     ts2_index + 1;
 556                 break;
 557         case INDEX_AUDIO:
 558                 usb_interface_index =
 559                     dev->current_pcb_config.hs_config_info[0].interface_info.
 560                     audio_index + 1;
 561                 dev->adev.alt = alt;
 562                 if (dev->adev.alt_max_pkt_size != NULL)
 563                         max_pkt_size = dev->adev.max_pkt_size =
 564                             dev->adev.alt_max_pkt_size[dev->adev.alt];
 565                 break;
 566         case INDEX_VIDEO:
 567                 usb_interface_index =
 568                     dev->current_pcb_config.hs_config_info[0].interface_info.
 569                     video_index + 1;
 570                 dev->video_mode.alt = alt;
 571                 if (dev->video_mode.alt_max_pkt_size != NULL)
 572                         max_pkt_size = dev->video_mode.max_pkt_size =
 573                             dev->video_mode.alt_max_pkt_size[dev->video_mode.
 574                                                              alt];
 575                 break;
 576         case INDEX_VANC:
 577                 if (dev->board.no_alt_vanc)
 578                         return 0;
 579                 usb_interface_index =
 580                     dev->current_pcb_config.hs_config_info[0].interface_info.
 581                     vanc_index + 1;
 582                 dev->vbi_mode.alt = alt;
 583                 if (dev->vbi_mode.alt_max_pkt_size != NULL)
 584                         max_pkt_size = dev->vbi_mode.max_pkt_size =
 585                             dev->vbi_mode.alt_max_pkt_size[dev->vbi_mode.alt];
 586                 break;
 587         case INDEX_HANC:
 588                 usb_interface_index =
 589                     dev->current_pcb_config.hs_config_info[0].interface_info.
 590                     hanc_index + 1;
 591                 dev->sliced_cc_mode.alt = alt;
 592                 if (dev->sliced_cc_mode.alt_max_pkt_size != NULL)
 593                         max_pkt_size = dev->sliced_cc_mode.max_pkt_size =
 594                             dev->sliced_cc_mode.alt_max_pkt_size[dev->
 595                                                                  sliced_cc_mode.
 596                                                                  alt];
 597                 break;
 598         default:
 599                 break;
 600         }
 601
 602         if (alt > 0 && max_pkt_size == 0) {
 603                 cx231xx_errdev
 604                 ("can't change interface %d alt no. to %d: Max. Pkt size = 0\n",
 605                 usb_interface_index, alt);
 606                 /*To workaround error number=-71 on EP0 for videograbber,
 607                  need add following codes.*/
 608                 if (dev->board.no_alt_vanc)
 609                         return -1;
 610         }
 611
 612         cx231xx_coredbg("setting alternate %d with wMaxPacketSize=%u,"
 613                         "Interface = %d\n", alt, max_pkt_size,
 614                         usb_interface_index);
 615
 616         if (usb_interface_index > 0) {
 617                 status = usb_set_interface(dev->udev, usb_interface_index, alt);
 618                 if (status < 0) {
 619                         cx231xx_errdev
 620                         ("can't change interface %d alt no. to %d (err=%i)\n",
 621                         usb_interface_index, alt, status);
 622                         return status;
 623                 }
 624         }
 625
 626         return status;
 627 }
 628 EXPORT_SYMBOL_GPL(cx231xx_set_alt_setting);
 629
 630 int cx231xx_gpio_set(struct cx231xx *dev, struct cx231xx_reg_seq *gpio)
 631 {
 632         int rc = 0;
 633
 634         if (!gpio)
 635                 return rc;
 636
 637         /* Send GPIO reset sequences specified at board entry */
 638         while (gpio->sleep >= 0) {
 639                 rc = cx231xx_set_gpio_value(dev, gpio->bit, gpio->val);
 640                 if (rc < 0)
 641                         return rc;
 642
 643                 if (gpio->sleep > 0)
 644                         msleep(gpio->sleep);
 645
 646                 gpio++;
 647         }
 648         return rc;
 649 }
 650
 651 int cx231xx_demod_reset(struct cx231xx *dev)
 652 {
 653
 654         u8 status = 0;
 655         u8 value[4] = { 0, 0, 0, 0 };
 656
 657         status = cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, PWR_CTL_EN,
 658                                  value, 4);
 659
 660         cx231xx_coredbg("reg0x%x=0x%x 0x%x 0x%x 0x%x\n", PWR_CTL_EN,
 661                         value[0], value[1], value[2], value[3]);
 662
 663         cx231xx_coredbg("Enter cx231xx_demod_reset()\n");
 664
 665                 value[1] = (u8) 0x3;
 666                 status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
 667                                                 PWR_CTL_EN, value, 4);
 668                         msleep(10);
 669
 670                 value[1] = (u8) 0x0;
 671                 status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
 672                                                 PWR_CTL_EN, value, 4);
 673                         msleep(10);
 674
 675                 value[1] = (u8) 0x3;
 676                 status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
 677                                                 PWR_CTL_EN, value, 4);
 678                         msleep(10);
 679
 680
 681
 682         status = cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, PWR_CTL_EN,
 683                                  value, 4);
 684
 685         cx231xx_coredbg("reg0x%x=0x%x 0x%x 0x%x 0x%x\n", PWR_CTL_EN,
 686                         value[0], value[1], value[2], value[3]);
 687
 688         return status;
 689 }
 690 EXPORT_SYMBOL_GPL(cx231xx_demod_reset);
 691 int is_fw_load(struct cx231xx *dev)
 692 {
 693         return cx231xx_check_fw(dev);
 694 }
 695 EXPORT_SYMBOL_GPL(is_fw_load);
 696
 697 int cx231xx_set_mode(struct cx231xx *dev, enum cx231xx_mode set_mode)
 698 {
 699         int errCode = 0;
 700
 701         if (dev->mode == set_mode)
 702                 return 0;
 703
 704         if (set_mode == CX231XX_SUSPEND) {
 705                 /* Set the chip in power saving mode */
 706                 dev->mode = set_mode;
 707         }
 708
 709         /* Resource is locked */
 710         if (dev->mode != CX231XX_SUSPEND)
 711                 return -EINVAL;
 712
 713         dev->mode = set_mode;
 714
 715         if (dev->mode == CX231XX_DIGITAL_MODE)/* Set Digital power mode */ {
 716         /* set AGC mode to Digital */
 717                 switch (dev->model) {
 718                 case CX231XX_BOARD_CNXT_CARRAERA:
 719                 case CX231XX_BOARD_CNXT_RDE_250:
 720                 case CX231XX_BOARD_CNXT_SHELBY:
 721                 case CX231XX_BOARD_CNXT_RDU_250:
 722                 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 0);
 723                         break;
 724                 case CX231XX_BOARD_CNXT_RDE_253S:
 725                 case CX231XX_BOARD_CNXT_RDU_253S:
 726                         errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 1);
 727                         break;
 728                 case CX231XX_BOARD_HAUPPAUGE_EXETER:
 729                         errCode = cx231xx_set_power_mode(dev,
 730                                                 POLARIS_AVMODE_DIGITAL);
 731                         break;
 732                 default:
 733                         break;
 734                 }
 735         } else/* Set Analog Power mode */ {
 736         /* set AGC mode to Analog */
 737                 switch (dev->model) {
 738                 case CX231XX_BOARD_CNXT_CARRAERA:
 739                 case CX231XX_BOARD_CNXT_RDE_250:
 740                 case CX231XX_BOARD_CNXT_SHELBY:
 741                 case CX231XX_BOARD_CNXT_RDU_250:
 742                 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 1);
 743                         break;
 744                 case CX231XX_BOARD_CNXT_RDE_253S:
 745                 case CX231XX_BOARD_CNXT_RDU_253S:
 746                 case CX231XX_BOARD_HAUPPAUGE_EXETER:
 747                 case CX231XX_BOARD_PV_PLAYTV_USB_HYBRID:
 748                 case CX231XX_BOARD_HAUPPAUGE_USB2_FM_PAL:
 749                 case CX231XX_BOARD_HAUPPAUGE_USB2_FM_NTSC:
 750                 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 0);
 751                         break;
 752                 default:
 753                         break;
 754                 }
 755         }
 756
 757         return 0;
 758 }
 759 EXPORT_SYMBOL_GPL(cx231xx_set_mode);
 760
 761 int cx231xx_ep5_bulkout(struct cx231xx *dev, u8 *firmware, u16 size)
 762 {
 763         int errCode = 0;
 764         int actlen, ret = -ENOMEM;
 765         u32 *buffer;
 766
 767 buffer = kzalloc(4096, GFP_KERNEL);
 768         if (buffer == NULL) {
 769                 cx231xx_info("out of mem\n");
 770                 return -ENOMEM;
 771         }
 772         memcpy(&buffer[0], firmware, 4096);
 773
 774         ret = usb_bulk_msg(dev->udev, usb_sndbulkpipe(dev->udev, 5),
 775                                  buffer, 4096, &actlen, 2000);
 776
 777         if (ret)
 778                 cx231xx_info("bulk message failed: %d (%d/%d)", ret,
 779                                  size, actlen);
 780         else {
 781                 errCode = actlen != size ? -1 : 0;
 782         }
 783 kfree(buffer);
 784         return 0;
 785 }
 786
 787 /*****************************************************************
 788 *                URB Streaming functions                         *
 789 ******************************************************************/
 790
 791 /*
 792  * IRQ callback, called by URB callback
 793  */
 794 static void cx231xx_isoc_irq_callback(struct urb *urb)
 795 {
 796         struct cx231xx_dmaqueue *dma_q = urb->context;
 797         struct cx231xx_video_mode *vmode =
 798             container_of(dma_q, struct cx231xx_video_mode, vidq);
 799         struct cx231xx *dev = container_of(vmode, struct cx231xx, video_mode);
 800         int rc, i;
 801
 802         switch (urb->status) {
 803         case 0:         /* success */
 804         case -ETIMEDOUT:        /* NAK */
 805                 break;
 806         case -ECONNRESET:       /* kill */
 807         case -ENOENT:
 808         case -ESHUTDOWN:
 809                 return;
 810         default:                /* error */
 811                 cx231xx_isocdbg("urb completition error %d.\n", urb->status);
 812                 break;
 813         }
 814
 815         /* Copy data from URB */
 816         spin_lock(&dev->video_mode.slock);
 817         rc = dev->video_mode.isoc_ctl.isoc_copy(dev, urb);
 818         spin_unlock(&dev->video_mode.slock);
 819
 820         /* Reset urb buffers */
 821         for (i = 0; i < urb->number_of_packets; i++) {
 822                 urb->iso_frame_desc[i].status = 0;
 823                 urb->iso_frame_desc[i].actual_length = 0;
 824         }
 825         urb->status = 0;
 826
 827         urb->status = usb_submit_urb(urb, GFP_ATOMIC);
 828         if (urb->status) {
 829                 cx231xx_isocdbg("urb resubmit failed (error=%i)\n",
 830                                 urb->status);
 831         }
 832 }
 833 /*****************************************************************
 834 *                URB Streaming functions                         *
 835 ******************************************************************/
 836
 837 /*
 838  * IRQ callback, called by URB callback
 839  */
 840 static void cx231xx_bulk_irq_callback(struct urb *urb)
 841 {
 842         struct cx231xx_dmaqueue *dma_q = urb->context;
 843         struct cx231xx_video_mode *vmode =
 844             container_of(dma_q, struct cx231xx_video_mode, vidq);
 845         struct cx231xx *dev = container_of(vmode, struct cx231xx, video_mode);
 846         int rc;
 847
 848         switch (urb->status) {
 849         case 0:         /* success */
 850         case -ETIMEDOUT:        /* NAK */
 851                 break;
 852         case -ECONNRESET:       /* kill */
 853         case -ENOENT:
 854         case -ESHUTDOWN:
 855                 return;
 856         default:                /* error */
 857                 cx231xx_isocdbg("urb completition error %d.\n", urb->status);
 858                 break;
 859         }
 860
 861         /* Copy data from URB */
 862         spin_lock(&dev->video_mode.slock);
 863         rc = dev->video_mode.bulk_ctl.bulk_copy(dev, urb);
 864         spin_unlock(&dev->video_mode.slock);
 865
 866         /* Reset urb buffers */
 867         urb->status = 0;
 868
 869         urb->status = usb_submit_urb(urb, GFP_ATOMIC);
 870         if (urb->status) {
 871                 cx231xx_isocdbg("urb resubmit failed (error=%i)\n",
 872                                 urb->status);
 873         }
 874 }
 875 /*
 876  * Stop and Deallocate URBs
 877  */
 878 void cx231xx_uninit_isoc(struct cx231xx *dev)
 879 {
 880         struct cx231xx_dmaqueue *dma_q = &dev->video_mode.vidq;
 881         struct urb *urb;
 882         int i;
 883
 884         cx231xx_isocdbg("cx231xx: called cx231xx_uninit_isoc\n");
 885
 886         dev->video_mode.isoc_ctl.nfields = -1;
 887         for (i = 0; i < dev->video_mode.isoc_ctl.num_bufs; i++) {
 888                 urb = dev->video_mode.isoc_ctl.urb[i];
 889                 if (urb) {
 890                         if (!irqs_disabled())
 891                                 usb_kill_urb(urb);
 892                         else
 893                                 usb_unlink_urb(urb);
 894
 895                         if (dev->video_mode.isoc_ctl.transfer_buffer[i]) {
 896                                 usb_free_coherent(dev->udev,
 897                                                   urb->transfer_buffer_length,
 898                                                   dev->video_mode.isoc_ctl.
 899                                                   transfer_buffer[i],
 900                                                   urb->transfer_dma);
 901                         }
 902                         usb_free_urb(urb);
 903                         dev->video_mode.isoc_ctl.urb[i] = NULL;
 904                 }
 905                 dev->video_mode.isoc_ctl.transfer_buffer[i] = NULL;
 906         }
 907
 908         kfree(dev->video_mode.isoc_ctl.urb);
 909         kfree(dev->video_mode.isoc_ctl.transfer_buffer);
 910         kfree(dma_q->p_left_data);
 911
 912         dev->video_mode.isoc_ctl.urb = NULL;
 913         dev->video_mode.isoc_ctl.transfer_buffer = NULL;
 914         dev->video_mode.isoc_ctl.num_bufs = 0;
 915         dma_q->p_left_data = NULL;
 916
 917         if (dev->mode_tv == 0)
 918                 cx231xx_capture_start(dev, 0, Raw_Video);
 919         else
 920                 cx231xx_capture_start(dev, 0, TS1_serial_mode);
 921
 922
 923 }
 924 EXPORT_SYMBOL_GPL(cx231xx_uninit_isoc);
 925
 926 /*
 927  * Stop and Deallocate URBs
 928  */
 929 void cx231xx_uninit_bulk(struct cx231xx *dev)
 930 {
 931         struct urb *urb;
 932         int i;
 933
 934         cx231xx_isocdbg("cx231xx: called cx231xx_uninit_bulk\n");
 935
 936         dev->video_mode.bulk_ctl.nfields = -1;
 937         for (i = 0; i < dev->video_mode.bulk_ctl.num_bufs; i++) {
 938                 urb = dev->video_mode.bulk_ctl.urb[i];
 939                 if (urb) {
 940                         if (!irqs_disabled())
 941                                 usb_kill_urb(urb);
 942                         else
 943                                 usb_unlink_urb(urb);
 944
 945                         if (dev->video_mode.bulk_ctl.transfer_buffer[i]) {
 946                                 usb_free_coherent(dev->udev,
 947                                                 urb->transfer_buffer_length,
 948                                                 dev->video_mode.isoc_ctl.
 949                                                 transfer_buffer[i],
 950                                                 urb->transfer_dma);
 951                         }
 952                         usb_free_urb(urb);
 953                         dev->video_mode.bulk_ctl.urb[i] = NULL;
 954                 }
 955                 dev->video_mode.bulk_ctl.transfer_buffer[i] = NULL;
 956         }
 957
 958         kfree(dev->video_mode.bulk_ctl.urb);
 959         kfree(dev->video_mode.bulk_ctl.transfer_buffer);
 960
 961         dev->video_mode.bulk_ctl.urb = NULL;
 962         dev->video_mode.bulk_ctl.transfer_buffer = NULL;
 963         dev->video_mode.bulk_ctl.num_bufs = 0;
 964
 965         if (dev->mode_tv == 0)
 966                 cx231xx_capture_start(dev, 0, Raw_Video);
 967         else
 968                 cx231xx_capture_start(dev, 0, TS1_serial_mode);
 969
 970
 971 }
 972 EXPORT_SYMBOL_GPL(cx231xx_uninit_bulk);
 973
 974 /*
 975  * Allocate URBs and start IRQ
 976  */
 977 int cx231xx_init_isoc(struct cx231xx *dev, int max_packets,
 978                       int num_bufs, int max_pkt_size,
 979                       int (*isoc_copy) (struct cx231xx *dev, struct urb *urb))
 980 {
 981         struct cx231xx_dmaqueue *dma_q = &dev->video_mode.vidq;
 982         int i;
 983         int sb_size, pipe;
 984         struct urb *urb;
 985         int j, k;
 986         int rc;
 987
 988         /* De-allocates all pending stuff */
 989         cx231xx_uninit_isoc(dev);
 990
 991         dma_q->p_left_data = kzalloc(4096, GFP_KERNEL);
 992         if (dma_q->p_left_data == NULL) {
 993                 cx231xx_info("out of mem\n");
 994                 return -ENOMEM;
 995         }
 996
 997
 998
 999         dev->video_mode.isoc_ctl.isoc_copy = isoc_copy;
1000         dev->video_mode.isoc_ctl.num_bufs = num_bufs;
1001         dma_q->pos = 0;
1002         dma_q->is_partial_line = 0;
1003         dma_q->last_sav = 0;
1004         dma_q->current_field = -1;
1005         dma_q->field1_done = 0;
1006         dma_q->lines_per_field = dev->height / 2;
1007         dma_q->bytes_left_in_line = dev->width << 1;
1008         dma_q->lines_completed = 0;
1009         dma_q->mpeg_buffer_done = 0;
1010         dma_q->left_data_count = 0;
1011         dma_q->mpeg_buffer_completed = 0;
1012         dma_q->add_ps_package_head = CX231XX_NEED_ADD_PS_PACKAGE_HEAD;
1013         dma_q->ps_head[0] = 0x00;
1014         dma_q->ps_head[1] = 0x00;
1015         dma_q->ps_head[2] = 0x01;
1016         dma_q->ps_head[3] = 0xBA;
1017         for (i = 0; i < 8; i++)
1018                 dma_q->partial_buf[i] = 0;
1019
1020         dev->video_mode.isoc_ctl.urb =
1021             kzalloc(sizeof(void *) * num_bufs, GFP_KERNEL);
1022         if (!dev->video_mode.isoc_ctl.urb) {
1023                 cx231xx_errdev("cannot alloc memory for usb buffers\n");
1024                 return -ENOMEM;
1025         }
1026
1027         dev->video_mode.isoc_ctl.transfer_buffer =
1028             kzalloc(sizeof(void *) * num_bufs, GFP_KERNEL);
1029         if (!dev->video_mode.isoc_ctl.transfer_buffer) {
1030                 cx231xx_errdev("cannot allocate memory for usbtransfer\n");
1031                 kfree(dev->video_mode.isoc_ctl.urb);
1032                 return -ENOMEM;
1033         }
1034
1035         dev->video_mode.isoc_ctl.max_pkt_size = max_pkt_size;
1036         dev->video_mode.isoc_ctl.buf = NULL;
1037
1038         sb_size = max_packets * dev->video_mode.isoc_ctl.max_pkt_size;
1039
1040         if (dev->mode_tv == 1)
1041                 dev->video_mode.end_point_addr = 0x81;
1042         else
1043                 dev->video_mode.end_point_addr = 0x84;
1044
1045
1046         /* allocate urbs and transfer buffers */
1047         for (i = 0; i < dev->video_mode.isoc_ctl.num_bufs; i++) {
1048                 urb = usb_alloc_urb(max_packets, GFP_KERNEL);
1049                 if (!urb) {
1050                         cx231xx_err("cannot alloc isoc_ctl.urb %i\n", i);
1051                         cx231xx_uninit_isoc(dev);
1052                         return -ENOMEM;
1053                 }
1054                 dev->video_mode.isoc_ctl.urb[i] = urb;
1055
1056                 dev->video_mode.isoc_ctl.transfer_buffer[i] =
1057                     usb_alloc_coherent(dev->udev, sb_size, GFP_KERNEL,
1058                                        &urb->transfer_dma);
1059                 if (!dev->video_mode.isoc_ctl.transfer_buffer[i]) {
1060                         cx231xx_err("unable to allocate %i bytes for transfer"
1061                                     " buffer %i%s\n",
1062                                     sb_size, i,
1063                                     in_interrupt() ? " while in int" : "");
1064                         cx231xx_uninit_isoc(dev);
1065                         return -ENOMEM;
1066                 }
1067                 memset(dev->video_mode.isoc_ctl.transfer_buffer[i], 0, sb_size);
1068
1069                 pipe =
1070                     usb_rcvisocpipe(dev->udev, dev->video_mode.end_point_addr);
1071
1072                 usb_fill_int_urb(urb, dev->udev, pipe,
1073                                  dev->video_mode.isoc_ctl.transfer_buffer[i],
1074                                  sb_size, cx231xx_isoc_irq_callback, dma_q, 1);
1075
1076                 urb->number_of_packets = max_packets;
1077                 urb->transfer_flags = URB_ISO_ASAP | URB_NO_TRANSFER_DMA_MAP;
1078
1079                 k = 0;
1080                 for (j = 0; j < max_packets; j++) {
1081                         urb->iso_frame_desc[j].offset = k;
1082                         urb->iso_frame_desc[j].length =
1083                             dev->video_mode.isoc_ctl.max_pkt_size;
1084                         k += dev->video_mode.isoc_ctl.max_pkt_size;
1085                 }
1086         }
1087
1088         init_waitqueue_head(&dma_q->wq);
1089
1090         /* submit urbs and enables IRQ */
1091         for (i = 0; i < dev->video_mode.isoc_ctl.num_bufs; i++) {
1092                 rc = usb_submit_urb(dev->video_mode.isoc_ctl.urb[i],
1093                                     GFP_ATOMIC);
1094                 if (rc) {
1095                         cx231xx_err("submit of urb %i failed (error=%i)\n", i,
1096                                     rc);
1097                         cx231xx_uninit_isoc(dev);
1098                         return rc;
1099                 }
1100         }
1101
1102         if (dev->mode_tv == 0)
1103                 cx231xx_capture_start(dev, 1, Raw_Video);
1104         else
1105                 cx231xx_capture_start(dev, 1, TS1_serial_mode);
1106
1107         return 0;
1108 }
1109 EXPORT_SYMBOL_GPL(cx231xx_init_isoc);
1110
1111 /*
1112  * Allocate URBs and start IRQ
1113  */
1114 int cx231xx_init_bulk(struct cx231xx *dev, int max_packets,
1115                       int num_bufs, int max_pkt_size,
1116                       int (*bulk_copy) (struct cx231xx *dev, struct urb *urb))
1117 {
1118         struct cx231xx_dmaqueue *dma_q = &dev->video_mode.vidq;
1119         int i;
1120         int sb_size, pipe;
1121         struct urb *urb;
1122         int rc;
1123
1124         dev->video_input = dev->video_input > 2 ? 2 : dev->video_input;
1125
1126         cx231xx_coredbg("Setting Video mux to %d\n", dev->video_input);
1127
1128         video_mux(dev, dev->video_input);
1129
1130         /* De-allocates all pending stuff */
1131         cx231xx_uninit_bulk(dev);
1132
1133         dev->video_mode.bulk_ctl.bulk_copy = bulk_copy;
1134         dev->video_mode.bulk_ctl.num_bufs = num_bufs;
1135         dma_q->pos = 0;
1136         dma_q->is_partial_line = 0;
1137         dma_q->last_sav = 0;
1138         dma_q->current_field = -1;
1139         dma_q->field1_done = 0;
1140         dma_q->lines_per_field = dev->height / 2;
1141         dma_q->bytes_left_in_line = dev->width << 1;
1142         dma_q->lines_completed = 0;
1143         dma_q->mpeg_buffer_done = 0;
1144         dma_q->left_data_count = 0;
1145         dma_q->mpeg_buffer_completed = 0;
1146         dma_q->ps_head[0] = 0x00;
1147         dma_q->ps_head[1] = 0x00;
1148         dma_q->ps_head[2] = 0x01;
1149         dma_q->ps_head[3] = 0xBA;
1150         for (i = 0; i < 8; i++)
1151                 dma_q->partial_buf[i] = 0;
1152
1153         dev->video_mode.bulk_ctl.urb =
1154             kzalloc(sizeof(void *) * num_bufs, GFP_KERNEL);
1155         if (!dev->video_mode.bulk_ctl.urb) {
1156                 cx231xx_errdev("cannot alloc memory for usb buffers\n");
1157                 return -ENOMEM;
1158         }
1159
1160         dev->video_mode.bulk_ctl.transfer_buffer =
1161             kzalloc(sizeof(void *) * num_bufs, GFP_KERNEL);
1162         if (!dev->video_mode.bulk_ctl.transfer_buffer) {
1163                 cx231xx_errdev("cannot allocate memory for usbtransfer\n");
1164                 kfree(dev->video_mode.bulk_ctl.urb);
1165                 return -ENOMEM;
1166         }
1167
1168         dev->video_mode.bulk_ctl.max_pkt_size = max_pkt_size;
1169         dev->video_mode.bulk_ctl.buf = NULL;
1170
1171         sb_size = max_packets * dev->video_mode.bulk_ctl.max_pkt_size;
1172
1173         if (dev->mode_tv == 1)
1174                 dev->video_mode.end_point_addr = 0x81;
1175         else
1176                 dev->video_mode.end_point_addr = 0x84;
1177
1178
1179         /* allocate urbs and transfer buffers */
1180         for (i = 0; i < dev->video_mode.bulk_ctl.num_bufs; i++) {
1181                 urb = usb_alloc_urb(0, GFP_KERNEL);
1182                 if (!urb) {
1183                         cx231xx_err("cannot alloc bulk_ctl.urb %i\n", i);
1184                         cx231xx_uninit_bulk(dev);
1185                         return -ENOMEM;
1186                 }
1187                 dev->video_mode.bulk_ctl.urb[i] = urb;
1188                 urb->transfer_flags = URB_NO_TRANSFER_DMA_MAP;
1189
1190                 dev->video_mode.bulk_ctl.transfer_buffer[i] =
1191                     usb_alloc_coherent(dev->udev, sb_size, GFP_KERNEL,
1192                                      &urb->transfer_dma);
1193                 if (!dev->video_mode.bulk_ctl.transfer_buffer[i]) {
1194                         cx231xx_err("unable to allocate %i bytes for transfer"
1195                                     " buffer %i%s\n",
1196                                     sb_size, i,
1197                                     in_interrupt() ? " while in int" : "");
1198                         cx231xx_uninit_bulk(dev);
1199                         return -ENOMEM;
1200                 }
1201                 memset(dev->video_mode.bulk_ctl.transfer_buffer[i], 0, sb_size);
1202
1203                 pipe = usb_rcvbulkpipe(dev->udev,
1204                                  dev->video_mode.end_point_addr);
1205                 usb_fill_bulk_urb(urb, dev->udev, pipe,
1206                                   dev->video_mode.bulk_ctl.transfer_buffer[i],
1207                                   sb_size, cx231xx_bulk_irq_callback, dma_q);
1208         }
1209
1210         init_waitqueue_head(&dma_q->wq);
1211
1212         /* submit urbs and enables IRQ */
1213         for (i = 0; i < dev->video_mode.bulk_ctl.num_bufs; i++) {
1214                 rc = usb_submit_urb(dev->video_mode.bulk_ctl.urb[i],
1215                                     GFP_ATOMIC);
1216                 if (rc) {
1217                         cx231xx_err("submit of urb %i failed (error=%i)\n", i,
1218                                     rc);
1219                         cx231xx_uninit_bulk(dev);
1220                         return rc;
1221                 }
1222         }
1223
1224         if (dev->mode_tv == 0)
1225                 cx231xx_capture_start(dev, 1, Raw_Video);
1226         else
1227                 cx231xx_capture_start(dev, 1, TS1_serial_mode);
1228
1229         return 0;
1230 }
1231 EXPORT_SYMBOL_GPL(cx231xx_init_bulk);
1232 void cx231xx_stop_TS1(struct cx231xx *dev)
1233 {
1234         int status = 0;
1235         u8 val[4] = { 0, 0, 0, 0 };
1236
1237                         val[0] = 0x00;
1238                         val[1] = 0x03;
1239                         val[2] = 0x00;
1240                         val[3] = 0x00;
1241                         status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
1242                                  TS_MODE_REG, val, 4);
1243
1244                         val[0] = 0x00;
1245                         val[1] = 0x70;
1246                         val[2] = 0x04;
1247                         val[3] = 0x00;
1248                         status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
1249                                  TS1_CFG_REG, val, 4);
1250 }
1251 /* EXPORT_SYMBOL_GPL(cx231xx_stop_TS1); */
1252 void cx231xx_start_TS1(struct cx231xx *dev)
1253 {
1254         int status = 0;
1255         u8 val[4] = { 0, 0, 0, 0 };
1256
1257                         val[0] = 0x03;
1258                         val[1] = 0x03;
1259                         val[2] = 0x00;
1260                         val[3] = 0x00;
1261                         status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
1262                                  TS_MODE_REG, val, 4);
1263
1264                         val[0] = 0x04;
1265                         val[1] = 0xA3;
1266                         val[2] = 0x3B;
1267                         val[3] = 0x00;
1268                         status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
1269                                  TS1_CFG_REG, val, 4);
1270 }
1271 /* EXPORT_SYMBOL_GPL(cx231xx_start_TS1); */
1272 /*****************************************************************
1273 *             Device Init/UnInit functions                       *
1274 ******************************************************************/
1275 int cx231xx_dev_init(struct cx231xx *dev)
1276 {
1277         int errCode = 0;
1278
1279         /* Initialize I2C bus */
1280
1281         /* External Master 1 Bus */
1282         dev->i2c_bus[0].nr = 0;
1283         dev->i2c_bus[0].dev = dev;
1284         dev->i2c_bus[0].i2c_period = I2C_SPEED_100K;    /* 100 KHz */
1285         dev->i2c_bus[0].i2c_nostop = 0;
1286         dev->i2c_bus[0].i2c_reserve = 0;
1287
1288         /* External Master 2 Bus */
1289         dev->i2c_bus[1].nr = 1;
1290         dev->i2c_bus[1].dev = dev;
1291         dev->i2c_bus[1].i2c_period = I2C_SPEED_100K;    /* 100 KHz */
1292         dev->i2c_bus[1].i2c_nostop = 0;
1293         dev->i2c_bus[1].i2c_reserve = 0;
1294
1295         /* Internal Master 3 Bus */
1296         dev->i2c_bus[2].nr = 2;
1297         dev->i2c_bus[2].dev = dev;
1298         dev->i2c_bus[2].i2c_period = I2C_SPEED_100K;    /* 100kHz */
1299         dev->i2c_bus[2].i2c_nostop = 0;
1300         dev->i2c_bus[2].i2c_reserve = 0;
1301
1302         /* register I2C buses */
1303         cx231xx_i2c_register(&dev->i2c_bus[0]);
1304         cx231xx_i2c_register(&dev->i2c_bus[1]);
1305         cx231xx_i2c_register(&dev->i2c_bus[2]);
1306
1307         /* init hardware */
1308         /* Note : with out calling set power mode function,
1309         afe can not be set up correctly */
1310         if (dev->board.external_av) {
1311                 errCode = cx231xx_set_power_mode(dev,
1312                                  POLARIS_AVMODE_ENXTERNAL_AV);
1313                 if (errCode < 0) {
1314                         cx231xx_errdev
1315                         ("%s: Failed to set Power - errCode [%d]!\n",
1316                         __func__, errCode);
1317                         return errCode;
1318                 }
1319         } else {
1320                 errCode = cx231xx_set_power_mode(dev,
1321                                  POLARIS_AVMODE_ANALOGT_TV);
1322                 if (errCode < 0) {
1323                         cx231xx_errdev
1324                         ("%s: Failed to set Power - errCode [%d]!\n",
1325                         __func__, errCode);
1326                         return errCode;
1327                 }
1328         }
1329
1330         /* reset the Tuner, if it is a Xceive tuner */
1331         if ((dev->board.tuner_type == TUNER_XC5000) ||
1332             (dev->board.tuner_type == TUNER_XC2028))
1333                         cx231xx_gpio_set(dev, dev->board.tuner_gpio);
1334
1335         /* initialize Colibri block */
1336         errCode = cx231xx_afe_init_super_block(dev, 0x23c);
1337         if (errCode < 0) {
1338                 cx231xx_errdev
1339                     ("%s: cx231xx_afe init super block - errCode [%d]!\n",
1340                      __func__, errCode);
1341                 return errCode;
1342         }
1343         errCode = cx231xx_afe_init_channels(dev);
1344         if (errCode < 0) {
1345                 cx231xx_errdev
1346                     ("%s: cx231xx_afe init channels - errCode [%d]!\n",
1347                      __func__, errCode);
1348                 return errCode;
1349         }
1350
1351         /* Set DIF in By pass mode */
1352         errCode = cx231xx_dif_set_standard(dev, DIF_USE_BASEBAND);
1353         if (errCode < 0) {
1354                 cx231xx_errdev
1355                     ("%s: cx231xx_dif set to By pass mode - errCode [%d]!\n",
1356                      __func__, errCode);
1357                 return errCode;
1358         }
1359
1360         /* I2S block related functions */
1361         errCode = cx231xx_i2s_blk_initialize(dev);
1362         if (errCode < 0) {
1363                 cx231xx_errdev
1364                     ("%s: cx231xx_i2s block initialize - errCode [%d]!\n",
1365                      __func__, errCode);
1366                 return errCode;
1367         }
1368
1369         /* init control pins */
1370         errCode = cx231xx_init_ctrl_pin_status(dev);
1371         if (errCode < 0) {
1372                 cx231xx_errdev("%s: cx231xx_init ctrl pins - errCode [%d]!\n",
1373                                __func__, errCode);
1374                 return errCode;
1375         }
1376
1377         /* set AGC mode to Analog */
1378         switch (dev->model) {
1379         case CX231XX_BOARD_CNXT_CARRAERA:
1380         case CX231XX_BOARD_CNXT_RDE_250:
1381         case CX231XX_BOARD_CNXT_SHELBY:
1382         case CX231XX_BOARD_CNXT_RDU_250:
1383         errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 1);
1384                 break;
1385         case CX231XX_BOARD_CNXT_RDE_253S:
1386         case CX231XX_BOARD_CNXT_RDU_253S:
1387         case CX231XX_BOARD_HAUPPAUGE_EXETER:
1388         case CX231XX_BOARD_PV_PLAYTV_USB_HYBRID:
1389         case CX231XX_BOARD_HAUPPAUGE_USB2_FM_PAL:
1390         case CX231XX_BOARD_HAUPPAUGE_USB2_FM_NTSC:
1391         errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 0);
1392                 break;
1393         default:
1394                 break;
1395         }
1396         if (errCode < 0) {
1397                 cx231xx_errdev
1398                     ("%s: cx231xx_AGC mode to Analog - errCode [%d]!\n",
1399                      __func__, errCode);
1400                 return errCode;
1401         }
1402
1403         /* set all alternate settings to zero initially */
1404         cx231xx_set_alt_setting(dev, INDEX_VIDEO, 0);
1405         cx231xx_set_alt_setting(dev, INDEX_VANC, 0);
1406         cx231xx_set_alt_setting(dev, INDEX_HANC, 0);
1407         if (dev->board.has_dvb)
1408                 cx231xx_set_alt_setting(dev, INDEX_TS1, 0);
1409
1410         /* set the I2C master port to 3 on channel 1 */
1411         errCode = cx231xx_enable_i2c_port_3(dev, true);
1412
1413         return errCode;
1414 }
1415 EXPORT_SYMBOL_GPL(cx231xx_dev_init);
1416
1417 void cx231xx_dev_uninit(struct cx231xx *dev)
1418 {
1419         /* Un Initialize I2C bus */
1420         cx231xx_i2c_unregister(&dev->i2c_bus[2]);
1421         cx231xx_i2c_unregister(&dev->i2c_bus[1]);
1422         cx231xx_i2c_unregister(&dev->i2c_bus[0]);
1423 }
1424 EXPORT_SYMBOL_GPL(cx231xx_dev_uninit);
1425
1426 /*****************************************************************
1427 *              G P I O related functions                         *
1428 ******************************************************************/
1429 int cx231xx_send_gpio_cmd(struct cx231xx *dev, u32 gpio_bit, u8 *gpio_val,
1430                           u8 len, u8 request, u8 direction)
1431 {
1432         int status = 0;
1433         struct VENDOR_REQUEST_IN ven_req;
1434
1435         /* Set wValue */
1436         ven_req.wValue = (u16) (gpio_bit >> 16 & 0xffff);
1437
1438         /* set request */
1439         if (!request) {
1440                 if (direction)
1441                         ven_req.bRequest = VRT_GET_GPIO;        /* 0x8 gpio */
1442                 else
1443                         ven_req.bRequest = VRT_SET_GPIO;        /* 0x9 gpio */
1444         } else {
1445                 if (direction)
1446                         ven_req.bRequest = VRT_GET_GPIE;        /* 0xa gpie */
1447                 else
1448                         ven_req.bRequest = VRT_SET_GPIE;        /* 0xb gpie */
1449         }
1450
1451         /* set index value */
1452         ven_req.wIndex = (u16) (gpio_bit & 0xffff);
1453
1454         /* set wLength value */
1455         ven_req.wLength = len;
1456
1457         /* set bData value */
1458         ven_req.bData = 0;
1459
1460         /* set the buffer for read / write */
1461         ven_req.pBuff = gpio_val;
1462
1463         /* set the direction */
1464         if (direction) {
1465                 ven_req.direction = USB_DIR_IN;
1466                 memset(ven_req.pBuff, 0x00, ven_req.wLength);
1467         } else
1468                 ven_req.direction = USB_DIR_OUT;
1469
1470
1471         /* call common vendor command request */
1472         status = cx231xx_send_vendor_cmd(dev, &ven_req);
1473         if (status < 0) {
1474                 cx231xx_info
1475                     ("UsbInterface::sendCommand, failed with status -%d\n",
1476                      status);
1477         }
1478
1479         return status;
1480 }
1481 EXPORT_SYMBOL_GPL(cx231xx_send_gpio_cmd);
1482
1483 /*****************************************************************
1484  *    C O N T R O L - Register R E A D / W R I T E functions     *
1485  *****************************************************************/
1486 int cx231xx_mode_register(struct cx231xx *dev, u16 address, u32 mode)
1487 {
1488         u8 value[4] = { 0x0, 0x0, 0x0, 0x0 };
1489         u32 tmp = 0;
1490         int status = 0;
1491
1492         status =
1493             cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, address, value, 4);
1494         if (status < 0)
1495                 return status;
1496
1497         tmp = *((u32 *) value);
1498         tmp |= mode;
1499
1500         value[0] = (u8) tmp;
1501         value[1] = (u8) (tmp >> 8);
1502         value[2] = (u8) (tmp >> 16);
1503         value[3] = (u8) (tmp >> 24);
1504
1505         status =
1506             cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, address, value, 4);
1507
1508         return status;
1509 }
1510
1511 /*****************************************************************
1512  *            I 2 C Internal C O N T R O L   functions           *
1513  *****************************************************************/
1514 int cx231xx_read_i2c_master(struct cx231xx *dev, u8 dev_addr, u16 saddr,
1515                           u8 saddr_len, u32 *data, u8 data_len, int master)
1516 {
1517         int status = 0;
1518         struct cx231xx_i2c_xfer_data req_data;
1519         u8 value[64] = "0";
1520
1521         if (saddr_len == 0)
1522                 saddr = 0;
1523         else if (saddr_len == 1)
1524                 saddr &= 0xff;
1525
1526         /* prepare xfer_data struct */
1527         req_data.dev_addr = dev_addr >> 1;
1528         req_data.direction = I2C_M_RD;
1529         req_data.saddr_len = saddr_len;
1530         req_data.saddr_dat = saddr;
1531         req_data.buf_size = data_len;
1532         req_data.p_buffer = (u8 *) value;
1533
1534         /* usb send command */
1535         if (master == 0)
1536                 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[0],
1537                                          &req_data);
1538         else if (master == 1)
1539                 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[1],
1540                                          &req_data);
1541         else if (master == 2)
1542                 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[2],
1543                                          &req_data);
1544
1545         if (status >= 0) {
1546                 /* Copy the data read back to main buffer */
1547                 if (data_len == 1)
1548                         *data = value[0];
1549                 else if (data_len == 4)
1550                         *data =
1551                             value[0] | value[1] << 8 | value[2] << 16 | value[3]
1552                             << 24;
1553                 else if (data_len > 4)
1554                         *data = value[saddr];
1555         }
1556
1557         return status;
1558 }
1559
1560 int cx231xx_write_i2c_master(struct cx231xx *dev, u8 dev_addr, u16 saddr,
1561                            u8 saddr_len, u32 data, u8 data_len, int master)
1562 {
1563         int status = 0;
1564         u8 value[4] = { 0, 0, 0, 0 };
1565         struct cx231xx_i2c_xfer_data req_data;
1566
1567         value[0] = (u8) data;
1568         value[1] = (u8) (data >> 8);
1569         value[2] = (u8) (data >> 16);
1570         value[3] = (u8) (data >> 24);
1571
1572         if (saddr_len == 0)
1573                 saddr = 0;
1574         else if (saddr_len == 1)
1575                 saddr &= 0xff;
1576
1577         /* prepare xfer_data struct */
1578         req_data.dev_addr = dev_addr >> 1;
1579         req_data.direction = 0;
1580         req_data.saddr_len = saddr_len;
1581         req_data.saddr_dat = saddr;
1582         req_data.buf_size = data_len;
1583         req_data.p_buffer = value;
1584
1585         /* usb send command */
1586         if (master == 0)
1587                 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[0],
1588                                  &req_data);
1589         else if (master == 1)
1590                 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[1],
1591                                  &req_data);
1592         else if (master == 2)
1593                 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[2],
1594                                  &req_data);
1595
1596         return status;
1597 }
1598
1599 int cx231xx_read_i2c_data(struct cx231xx *dev, u8 dev_addr, u16 saddr,
1600                           u8 saddr_len, u32 *data, u8 data_len)
1601 {
1602         int status = 0;
1603         struct cx231xx_i2c_xfer_data req_data;
1604         u8 value[4] = { 0, 0, 0, 0 };
1605
1606         if (saddr_len == 0)
1607                 saddr = 0;
1608         else if (saddr_len == 1)
1609                 saddr &= 0xff;
1610
1611         /* prepare xfer_data struct */
1612         req_data.dev_addr = dev_addr >> 1;
1613         req_data.direction = I2C_M_RD;
1614         req_data.saddr_len = saddr_len;
1615         req_data.saddr_dat = saddr;
1616         req_data.buf_size = data_len;
1617         req_data.p_buffer = (u8 *) value;
1618
1619         /* usb send command */
1620         status = dev->cx231xx_send_usb_command(&dev->i2c_bus[0], &req_data);
1621
1622         if (status >= 0) {
1623                 /* Copy the data read back to main buffer */
1624                 if (data_len == 1)
1625                         *data = value[0];
1626                 else
1627                         *data =
1628                             value[0] | value[1] << 8 | value[2] << 16 | value[3]
1629                             << 24;
1630         }
1631
1632         return status;
1633 }
1634
1635 int cx231xx_write_i2c_data(struct cx231xx *dev, u8 dev_addr, u16 saddr,
1636                            u8 saddr_len, u32 data, u8 data_len)
1637 {
1638         int status = 0;
1639         u8 value[4] = { 0, 0, 0, 0 };
1640         struct cx231xx_i2c_xfer_data req_data;
1641
1642         value[0] = (u8) data;
1643         value[1] = (u8) (data >> 8);
1644         value[2] = (u8) (data >> 16);
1645         value[3] = (u8) (data >> 24);
1646
1647         if (saddr_len == 0)
1648                 saddr = 0;
1649         else if (saddr_len == 1)
1650                 saddr &= 0xff;
1651
1652         /* prepare xfer_data struct */
1653         req_data.dev_addr = dev_addr >> 1;
1654         req_data.direction = 0;
1655         req_data.saddr_len = saddr_len;
1656         req_data.saddr_dat = saddr;
1657         req_data.buf_size = data_len;
1658         req_data.p_buffer = value;
1659
1660         /* usb send command */
1661         status = dev->cx231xx_send_usb_command(&dev->i2c_bus[0], &req_data);
1662
1663         return status;
1664 }
1665
1666 int cx231xx_reg_mask_write(struct cx231xx *dev, u8 dev_addr, u8 size,
1667                            u16 register_address, u8 bit_start, u8 bit_end,
1668                            u32 value)
1669 {
1670         int status = 0;
1671         u32 tmp;
1672         u32 mask = 0;
1673         int i;
1674
1675         if (bit_start > (size - 1) || bit_end > (size - 1))
1676                 return -1;
1677
1678         if (size == 8) {
1679                 status =
1680                     cx231xx_read_i2c_data(dev, dev_addr, register_address, 2,
1681                                           &tmp, 1);
1682         } else {
1683                 status =
1684                     cx231xx_read_i2c_data(dev, dev_addr, register_address, 2,
1685                                           &tmp, 4);
1686         }
1687
1688         if (status < 0)
1689                 return status;
1690
1691         mask = 1 << bit_end;
1692         for (i = bit_end; i > bit_start && i > 0; i--)
1693                 mask = mask + (1 << (i - 1));
1694
1695         value <<= bit_start;
1696
1697         if (size == 8) {
1698                 tmp &= ~mask;
1699                 tmp |= value;
1700                 tmp &= 0xff;
1701                 status =
1702                     cx231xx_write_i2c_data(dev, dev_addr, register_address, 2,
1703                                            tmp, 1);
1704         } else {
1705                 tmp &= ~mask;
1706                 tmp |= value;
1707                 status =
1708                     cx231xx_write_i2c_data(dev, dev_addr, register_address, 2,
1709                                            tmp, 4);
1710         }
1711
1712         return status;
1713 }
1714
1715 int cx231xx_read_modify_write_i2c_dword(struct cx231xx *dev, u8 dev_addr,
1716                                         u16 saddr, u32 mask, u32 value)
1717 {
1718         u32 temp;
1719         int status = 0;
1720
1721         status = cx231xx_read_i2c_data(dev, dev_addr, saddr, 2, &temp, 4);
1722
1723         if (status < 0)
1724                 return status;
1725
1726         temp &= ~mask;
1727         temp |= value;
1728
1729         status = cx231xx_write_i2c_data(dev, dev_addr, saddr, 2, temp, 4);
1730
1731         return status;
1732 }
1733
1734 u32 cx231xx_set_field(u32 field_mask, u32 data)
1735 {
1736         u32 temp;
1737
1738         for (temp = field_mask; (temp & 1) == 0; temp >>= 1)
1739                 data <<= 1;
1740
1741         return data;
1742 }