drivers/media/usb/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                 case CX231XX_BOARD_HAUPPAUGE_930C_HD_1113xx:
 730                         errCode = cx231xx_set_power_mode(dev,
 731                                                 POLARIS_AVMODE_DIGITAL);
 732                         break;
 733                 default:
 734                         break;
 735                 }
 736         } else/* Set Analog Power mode */ {
 737         /* set AGC mode to Analog */
 738                 switch (dev->model) {
 739                 case CX231XX_BOARD_CNXT_CARRAERA:
 740                 case CX231XX_BOARD_CNXT_RDE_250:
 741                 case CX231XX_BOARD_CNXT_SHELBY:
 742                 case CX231XX_BOARD_CNXT_RDU_250:
 743                 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 1);
 744                         break;
 745                 case CX231XX_BOARD_CNXT_RDE_253S:
 746                 case CX231XX_BOARD_CNXT_RDU_253S:
 747                 case CX231XX_BOARD_HAUPPAUGE_EXETER:
 748                 case CX231XX_BOARD_HAUPPAUGE_930C_HD_1113xx:
 749                 case CX231XX_BOARD_PV_PLAYTV_USB_HYBRID:
 750                 case CX231XX_BOARD_HAUPPAUGE_USB2_FM_PAL:
 751                 case CX231XX_BOARD_HAUPPAUGE_USB2_FM_NTSC:
 752                 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 0);
 753                         break;
 754                 default:
 755                         break;
 756                 }
 757         }
 758
 759         return errCode ? -EINVAL : 0;
 760 }
 761 EXPORT_SYMBOL_GPL(cx231xx_set_mode);
 762
 763 int cx231xx_ep5_bulkout(struct cx231xx *dev, u8 *firmware, u16 size)
 764 {
 765         int errCode = 0;
 766         int actlen, ret = -ENOMEM;
 767         u32 *buffer;
 768
 769         buffer = kzalloc(4096, GFP_KERNEL);
 770         if (buffer == NULL) {
 771                 cx231xx_info("out of mem\n");
 772                 return -ENOMEM;
 773         }
 774         memcpy(&buffer[0], firmware, 4096);
 775
 776         ret = usb_bulk_msg(dev->udev, usb_sndbulkpipe(dev->udev, 5),
 777                         buffer, 4096, &actlen, 2000);
 778
 779         if (ret)
 780                 cx231xx_info("bulk message failed: %d (%d/%d)", ret,
 781                                 size, actlen);
 782         else {
 783                 errCode = actlen != size ? -1 : 0;
 784         }
 785         kfree(buffer);
 786         return errCode;
 787 }
 788
 789 /*****************************************************************
 790 *                URB Streaming functions                         *
 791 ******************************************************************/
 792
 793 /*
 794  * IRQ callback, called by URB callback
 795  */
 796 static void cx231xx_isoc_irq_callback(struct urb *urb)
 797 {
 798         struct cx231xx_dmaqueue *dma_q = urb->context;
 799         struct cx231xx_video_mode *vmode =
 800             container_of(dma_q, struct cx231xx_video_mode, vidq);
 801         struct cx231xx *dev = container_of(vmode, struct cx231xx, video_mode);
 802         int i;
 803
 804         switch (urb->status) {
 805         case 0:         /* success */
 806         case -ETIMEDOUT:        /* NAK */
 807                 break;
 808         case -ECONNRESET:       /* kill */
 809         case -ENOENT:
 810         case -ESHUTDOWN:
 811                 return;
 812         default:                /* error */
 813                 cx231xx_isocdbg("urb completition error %d.\n", urb->status);
 814                 break;
 815         }
 816
 817         /* Copy data from URB */
 818         spin_lock(&dev->video_mode.slock);
 819         dev->video_mode.isoc_ctl.isoc_copy(dev, urb);
 820         spin_unlock(&dev->video_mode.slock);
 821
 822         /* Reset urb buffers */
 823         for (i = 0; i < urb->number_of_packets; i++) {
 824                 urb->iso_frame_desc[i].status = 0;
 825                 urb->iso_frame_desc[i].actual_length = 0;
 826         }
 827
 828         urb->status = usb_submit_urb(urb, GFP_ATOMIC);
 829         if (urb->status) {
 830                 cx231xx_isocdbg("urb resubmit failed (error=%i)\n",
 831                                 urb->status);
 832         }
 833 }
 834 /*****************************************************************
 835 *                URB Streaming functions                         *
 836 ******************************************************************/
 837
 838 /*
 839  * IRQ callback, called by URB callback
 840  */
 841 static void cx231xx_bulk_irq_callback(struct urb *urb)
 842 {
 843         struct cx231xx_dmaqueue *dma_q = urb->context;
 844         struct cx231xx_video_mode *vmode =
 845             container_of(dma_q, struct cx231xx_video_mode, vidq);
 846         struct cx231xx *dev = container_of(vmode, struct cx231xx, video_mode);
 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         dev->video_mode.bulk_ctl.bulk_copy(dev, urb);
 864         spin_unlock(&dev->video_mode.slock);
 865
 866         /* Reset urb buffers */
 867         urb->status = usb_submit_urb(urb, GFP_ATOMIC);
 868         if (urb->status) {
 869                 cx231xx_isocdbg("urb resubmit failed (error=%i)\n",
 870                                 urb->status);
 871         }
 872 }
 873 /*
 874  * Stop and Deallocate URBs
 875  */
 876 void cx231xx_uninit_isoc(struct cx231xx *dev)
 877 {
 878         struct cx231xx_dmaqueue *dma_q = &dev->video_mode.vidq;
 879         struct urb *urb;
 880         int i;
 881
 882         cx231xx_isocdbg("cx231xx: called cx231xx_uninit_isoc\n");
 883
 884         dev->video_mode.isoc_ctl.nfields = -1;
 885         for (i = 0; i < dev->video_mode.isoc_ctl.num_bufs; i++) {
 886                 urb = dev->video_mode.isoc_ctl.urb[i];
 887                 if (urb) {
 888                         if (!irqs_disabled())
 889                                 usb_kill_urb(urb);
 890                         else
 891                                 usb_unlink_urb(urb);
 892
 893                         if (dev->video_mode.isoc_ctl.transfer_buffer[i]) {
 894                                 usb_free_coherent(dev->udev,
 895                                                   urb->transfer_buffer_length,
 896                                                   dev->video_mode.isoc_ctl.
 897                                                   transfer_buffer[i],
 898                                                   urb->transfer_dma);
 899                         }
 900                         usb_free_urb(urb);
 901                         dev->video_mode.isoc_ctl.urb[i] = NULL;
 902                 }
 903                 dev->video_mode.isoc_ctl.transfer_buffer[i] = NULL;
 904         }
 905
 906         kfree(dev->video_mode.isoc_ctl.urb);
 907         kfree(dev->video_mode.isoc_ctl.transfer_buffer);
 908         kfree(dma_q->p_left_data);
 909
 910         dev->video_mode.isoc_ctl.urb = NULL;
 911         dev->video_mode.isoc_ctl.transfer_buffer = NULL;
 912         dev->video_mode.isoc_ctl.num_bufs = 0;
 913         dma_q->p_left_data = NULL;
 914
 915         if (dev->mode_tv == 0)
 916                 cx231xx_capture_start(dev, 0, Raw_Video);
 917         else
 918                 cx231xx_capture_start(dev, 0, TS1_serial_mode);
 919
 920
 921 }
 922 EXPORT_SYMBOL_GPL(cx231xx_uninit_isoc);
 923
 924 /*
 925  * Stop and Deallocate URBs
 926  */
 927 void cx231xx_uninit_bulk(struct cx231xx *dev)
 928 {
 929         struct urb *urb;
 930         int i;
 931
 932         cx231xx_isocdbg("cx231xx: called cx231xx_uninit_bulk\n");
 933
 934         dev->video_mode.bulk_ctl.nfields = -1;
 935         for (i = 0; i < dev->video_mode.bulk_ctl.num_bufs; i++) {
 936                 urb = dev->video_mode.bulk_ctl.urb[i];
 937                 if (urb) {
 938                         if (!irqs_disabled())
 939                                 usb_kill_urb(urb);
 940                         else
 941                                 usb_unlink_urb(urb);
 942
 943                         if (dev->video_mode.bulk_ctl.transfer_buffer[i]) {
 944                                 usb_free_coherent(dev->udev,
 945                                                 urb->transfer_buffer_length,
 946                                                 dev->video_mode.isoc_ctl.
 947                                                 transfer_buffer[i],
 948                                                 urb->transfer_dma);
 949                         }
 950                         usb_free_urb(urb);
 951                         dev->video_mode.bulk_ctl.urb[i] = NULL;
 952                 }
 953                 dev->video_mode.bulk_ctl.transfer_buffer[i] = NULL;
 954         }
 955
 956         kfree(dev->video_mode.bulk_ctl.urb);
 957         kfree(dev->video_mode.bulk_ctl.transfer_buffer);
 958
 959         dev->video_mode.bulk_ctl.urb = NULL;
 960         dev->video_mode.bulk_ctl.transfer_buffer = NULL;
 961         dev->video_mode.bulk_ctl.num_bufs = 0;
 962
 963         if (dev->mode_tv == 0)
 964                 cx231xx_capture_start(dev, 0, Raw_Video);
 965         else
 966                 cx231xx_capture_start(dev, 0, TS1_serial_mode);
 967
 968
 969 }
 970 EXPORT_SYMBOL_GPL(cx231xx_uninit_bulk);
 971
 972 /*
 973  * Allocate URBs and start IRQ
 974  */
 975 int cx231xx_init_isoc(struct cx231xx *dev, int max_packets,
 976                       int num_bufs, int max_pkt_size,
 977                       int (*isoc_copy) (struct cx231xx *dev, struct urb *urb))
 978 {
 979         struct cx231xx_dmaqueue *dma_q = &dev->video_mode.vidq;
 980         int i;
 981         int sb_size, pipe;
 982         struct urb *urb;
 983         int j, k;
 984         int rc;
 985
 986         /* De-allocates all pending stuff */
 987         cx231xx_uninit_isoc(dev);
 988
 989         dma_q->p_left_data = kzalloc(4096, GFP_KERNEL);
 990         if (dma_q->p_left_data == NULL) {
 991                 cx231xx_info("out of mem\n");
 992                 return -ENOMEM;
 993         }
 994
 995
 996
 997         dev->video_mode.isoc_ctl.isoc_copy = isoc_copy;
 998         dev->video_mode.isoc_ctl.num_bufs = num_bufs;
 999         dma_q->pos = 0;
1000         dma_q->is_partial_line = 0;
1001         dma_q->last_sav = 0;
1002         dma_q->current_field = -1;
1003         dma_q->field1_done = 0;
1004         dma_q->lines_per_field = dev->height / 2;
1005         dma_q->bytes_left_in_line = dev->width << 1;
1006         dma_q->lines_completed = 0;
1007         dma_q->mpeg_buffer_done = 0;
1008         dma_q->left_data_count = 0;
1009         dma_q->mpeg_buffer_completed = 0;
1010         dma_q->add_ps_package_head = CX231XX_NEED_ADD_PS_PACKAGE_HEAD;
1011         dma_q->ps_head[0] = 0x00;
1012         dma_q->ps_head[1] = 0x00;
1013         dma_q->ps_head[2] = 0x01;
1014         dma_q->ps_head[3] = 0xBA;
1015         for (i = 0; i < 8; i++)
1016                 dma_q->partial_buf[i] = 0;
1017
1018         dev->video_mode.isoc_ctl.urb =
1019             kzalloc(sizeof(void *) * num_bufs, GFP_KERNEL);
1020         if (!dev->video_mode.isoc_ctl.urb) {
1021                 cx231xx_errdev("cannot alloc memory for usb buffers\n");
1022                 return -ENOMEM;
1023         }
1024
1025         dev->video_mode.isoc_ctl.transfer_buffer =
1026             kzalloc(sizeof(void *) * num_bufs, GFP_KERNEL);
1027         if (!dev->video_mode.isoc_ctl.transfer_buffer) {
1028                 cx231xx_errdev("cannot allocate memory for usbtransfer\n");
1029                 kfree(dev->video_mode.isoc_ctl.urb);
1030                 return -ENOMEM;
1031         }
1032
1033         dev->video_mode.isoc_ctl.max_pkt_size = max_pkt_size;
1034         dev->video_mode.isoc_ctl.buf = NULL;
1035
1036         sb_size = max_packets * dev->video_mode.isoc_ctl.max_pkt_size;
1037
1038         if (dev->mode_tv == 1)
1039                 dev->video_mode.end_point_addr = 0x81;
1040         else
1041                 dev->video_mode.end_point_addr = 0x84;
1042
1043
1044         /* allocate urbs and transfer buffers */
1045         for (i = 0; i < dev->video_mode.isoc_ctl.num_bufs; i++) {
1046                 urb = usb_alloc_urb(max_packets, GFP_KERNEL);
1047                 if (!urb) {
1048                         cx231xx_err("cannot alloc isoc_ctl.urb %i\n", i);
1049                         cx231xx_uninit_isoc(dev);
1050                         return -ENOMEM;
1051                 }
1052                 dev->video_mode.isoc_ctl.urb[i] = urb;
1053
1054                 dev->video_mode.isoc_ctl.transfer_buffer[i] =
1055                     usb_alloc_coherent(dev->udev, sb_size, GFP_KERNEL,
1056                                        &urb->transfer_dma);
1057                 if (!dev->video_mode.isoc_ctl.transfer_buffer[i]) {
1058                         cx231xx_err("unable to allocate %i bytes for transfer"
1059                                     " buffer %i%s\n",
1060                                     sb_size, i,
1061                                     in_interrupt() ? " while in int" : "");
1062                         cx231xx_uninit_isoc(dev);
1063                         return -ENOMEM;
1064                 }
1065                 memset(dev->video_mode.isoc_ctl.transfer_buffer[i], 0, sb_size);
1066
1067                 pipe =
1068                     usb_rcvisocpipe(dev->udev, dev->video_mode.end_point_addr);
1069
1070                 usb_fill_int_urb(urb, dev->udev, pipe,
1071                                  dev->video_mode.isoc_ctl.transfer_buffer[i],
1072                                  sb_size, cx231xx_isoc_irq_callback, dma_q, 1);
1073
1074                 urb->number_of_packets = max_packets;
1075                 urb->transfer_flags = URB_ISO_ASAP | URB_NO_TRANSFER_DMA_MAP;
1076
1077                 k = 0;
1078                 for (j = 0; j < max_packets; j++) {
1079                         urb->iso_frame_desc[j].offset = k;
1080                         urb->iso_frame_desc[j].length =
1081                             dev->video_mode.isoc_ctl.max_pkt_size;
1082                         k += dev->video_mode.isoc_ctl.max_pkt_size;
1083                 }
1084         }
1085
1086         init_waitqueue_head(&dma_q->wq);
1087
1088         /* submit urbs and enables IRQ */
1089         for (i = 0; i < dev->video_mode.isoc_ctl.num_bufs; i++) {
1090                 rc = usb_submit_urb(dev->video_mode.isoc_ctl.urb[i],
1091                                     GFP_ATOMIC);
1092                 if (rc) {
1093                         cx231xx_err("submit of urb %i failed (error=%i)\n", i,
1094                                     rc);
1095                         cx231xx_uninit_isoc(dev);
1096                         return rc;
1097                 }
1098         }
1099
1100         if (dev->mode_tv == 0)
1101                 cx231xx_capture_start(dev, 1, Raw_Video);
1102         else
1103                 cx231xx_capture_start(dev, 1, TS1_serial_mode);
1104
1105         return 0;
1106 }
1107 EXPORT_SYMBOL_GPL(cx231xx_init_isoc);
1108
1109 /*
1110  * Allocate URBs and start IRQ
1111  */
1112 int cx231xx_init_bulk(struct cx231xx *dev, int max_packets,
1113                       int num_bufs, int max_pkt_size,
1114                       int (*bulk_copy) (struct cx231xx *dev, struct urb *urb))
1115 {
1116         struct cx231xx_dmaqueue *dma_q = &dev->video_mode.vidq;
1117         int i;
1118         int sb_size, pipe;
1119         struct urb *urb;
1120         int rc;
1121
1122         dev->video_input = dev->video_input > 2 ? 2 : dev->video_input;
1123
1124         cx231xx_coredbg("Setting Video mux to %d\n", dev->video_input);
1125
1126         video_mux(dev, dev->video_input);
1127
1128         /* De-allocates all pending stuff */
1129         cx231xx_uninit_bulk(dev);
1130
1131         dev->video_mode.bulk_ctl.bulk_copy = bulk_copy;
1132         dev->video_mode.bulk_ctl.num_bufs = num_bufs;
1133         dma_q->pos = 0;
1134         dma_q->is_partial_line = 0;
1135         dma_q->last_sav = 0;
1136         dma_q->current_field = -1;
1137         dma_q->field1_done = 0;
1138         dma_q->lines_per_field = dev->height / 2;
1139         dma_q->bytes_left_in_line = dev->width << 1;
1140         dma_q->lines_completed = 0;
1141         dma_q->mpeg_buffer_done = 0;
1142         dma_q->left_data_count = 0;
1143         dma_q->mpeg_buffer_completed = 0;
1144         dma_q->ps_head[0] = 0x00;
1145         dma_q->ps_head[1] = 0x00;
1146         dma_q->ps_head[2] = 0x01;
1147         dma_q->ps_head[3] = 0xBA;
1148         for (i = 0; i < 8; i++)
1149                 dma_q->partial_buf[i] = 0;
1150
1151         dev->video_mode.bulk_ctl.urb =
1152             kzalloc(sizeof(void *) * num_bufs, GFP_KERNEL);
1153         if (!dev->video_mode.bulk_ctl.urb) {
1154                 cx231xx_errdev("cannot alloc memory for usb buffers\n");
1155                 return -ENOMEM;
1156         }
1157
1158         dev->video_mode.bulk_ctl.transfer_buffer =
1159             kzalloc(sizeof(void *) * num_bufs, GFP_KERNEL);
1160         if (!dev->video_mode.bulk_ctl.transfer_buffer) {
1161                 cx231xx_errdev("cannot allocate memory for usbtransfer\n");
1162                 kfree(dev->video_mode.bulk_ctl.urb);
1163                 return -ENOMEM;
1164         }
1165
1166         dev->video_mode.bulk_ctl.max_pkt_size = max_pkt_size;
1167         dev->video_mode.bulk_ctl.buf = NULL;
1168
1169         sb_size = max_packets * dev->video_mode.bulk_ctl.max_pkt_size;
1170
1171         if (dev->mode_tv == 1)
1172                 dev->video_mode.end_point_addr = 0x81;
1173         else
1174                 dev->video_mode.end_point_addr = 0x84;
1175
1176
1177         /* allocate urbs and transfer buffers */
1178         for (i = 0; i < dev->video_mode.bulk_ctl.num_bufs; i++) {
1179                 urb = usb_alloc_urb(0, GFP_KERNEL);
1180                 if (!urb) {
1181                         cx231xx_err("cannot alloc bulk_ctl.urb %i\n", i);
1182                         cx231xx_uninit_bulk(dev);
1183                         return -ENOMEM;
1184                 }
1185                 dev->video_mode.bulk_ctl.urb[i] = urb;
1186                 urb->transfer_flags = URB_NO_TRANSFER_DMA_MAP;
1187
1188                 dev->video_mode.bulk_ctl.transfer_buffer[i] =
1189                     usb_alloc_coherent(dev->udev, sb_size, GFP_KERNEL,
1190                                      &urb->transfer_dma);
1191                 if (!dev->video_mode.bulk_ctl.transfer_buffer[i]) {
1192                         cx231xx_err("unable to allocate %i bytes for transfer"
1193                                     " buffer %i%s\n",
1194                                     sb_size, i,
1195                                     in_interrupt() ? " while in int" : "");
1196                         cx231xx_uninit_bulk(dev);
1197                         return -ENOMEM;
1198                 }
1199                 memset(dev->video_mode.bulk_ctl.transfer_buffer[i], 0, sb_size);
1200
1201                 pipe = usb_rcvbulkpipe(dev->udev,
1202                                  dev->video_mode.end_point_addr);
1203                 usb_fill_bulk_urb(urb, dev->udev, pipe,
1204                                   dev->video_mode.bulk_ctl.transfer_buffer[i],
1205                                   sb_size, cx231xx_bulk_irq_callback, dma_q);
1206         }
1207
1208         init_waitqueue_head(&dma_q->wq);
1209
1210         /* submit urbs and enables IRQ */
1211         for (i = 0; i < dev->video_mode.bulk_ctl.num_bufs; i++) {
1212                 rc = usb_submit_urb(dev->video_mode.bulk_ctl.urb[i],
1213                                     GFP_ATOMIC);
1214                 if (rc) {
1215                         cx231xx_err("submit of urb %i failed (error=%i)\n", i,
1216                                     rc);
1217                         cx231xx_uninit_bulk(dev);
1218                         return rc;
1219                 }
1220         }
1221
1222         if (dev->mode_tv == 0)
1223                 cx231xx_capture_start(dev, 1, Raw_Video);
1224         else
1225                 cx231xx_capture_start(dev, 1, TS1_serial_mode);
1226
1227         return 0;
1228 }
1229 EXPORT_SYMBOL_GPL(cx231xx_init_bulk);
1230 void cx231xx_stop_TS1(struct cx231xx *dev)
1231 {
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         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         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         u8 val[4] = { 0, 0, 0, 0 };
1252
1253         val[0] = 0x03;
1254         val[1] = 0x03;
1255         val[2] = 0x00;
1256         val[3] = 0x00;
1257         cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
1258                         TS_MODE_REG, val, 4);
1259
1260         val[0] = 0x04;
1261         val[1] = 0xA3;
1262         val[2] = 0x3B;
1263         val[3] = 0x00;
1264         cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
1265                         TS1_CFG_REG, val, 4);
1266 }
1267 /* EXPORT_SYMBOL_GPL(cx231xx_start_TS1); */
1268 /*****************************************************************
1269 *             Device Init/UnInit functions                       *
1270 ******************************************************************/
1271 int cx231xx_dev_init(struct cx231xx *dev)
1272 {
1273         int errCode = 0;
1274
1275         /* Initialize I2C bus */
1276
1277         /* External Master 1 Bus */
1278         dev->i2c_bus[0].nr = 0;
1279         dev->i2c_bus[0].dev = dev;
1280         dev->i2c_bus[0].i2c_period = I2C_SPEED_100K;    /* 100 KHz */
1281         dev->i2c_bus[0].i2c_nostop = 0;
1282         dev->i2c_bus[0].i2c_reserve = 0;
1283
1284         /* External Master 2 Bus */
1285         dev->i2c_bus[1].nr = 1;
1286         dev->i2c_bus[1].dev = dev;
1287         dev->i2c_bus[1].i2c_period = I2C_SPEED_100K;    /* 100 KHz */
1288         dev->i2c_bus[1].i2c_nostop = 0;
1289         dev->i2c_bus[1].i2c_reserve = 0;
1290
1291         /* Internal Master 3 Bus */
1292         dev->i2c_bus[2].nr = 2;
1293         dev->i2c_bus[2].dev = dev;
1294         dev->i2c_bus[2].i2c_period = I2C_SPEED_100K;    /* 100kHz */
1295         dev->i2c_bus[2].i2c_nostop = 0;
1296         dev->i2c_bus[2].i2c_reserve = 0;
1297
1298         /* register I2C buses */
1299         cx231xx_i2c_register(&dev->i2c_bus[0]);
1300         cx231xx_i2c_register(&dev->i2c_bus[1]);
1301         cx231xx_i2c_register(&dev->i2c_bus[2]);
1302
1303         /* init hardware */
1304         /* Note : with out calling set power mode function,
1305         afe can not be set up correctly */
1306         if (dev->board.external_av) {
1307                 errCode = cx231xx_set_power_mode(dev,
1308                                  POLARIS_AVMODE_ENXTERNAL_AV);
1309                 if (errCode < 0) {
1310                         cx231xx_errdev
1311                         ("%s: Failed to set Power - errCode [%d]!\n",
1312                         __func__, errCode);
1313                         return errCode;
1314                 }
1315         } else {
1316                 errCode = cx231xx_set_power_mode(dev,
1317                                  POLARIS_AVMODE_ANALOGT_TV);
1318                 if (errCode < 0) {
1319                         cx231xx_errdev
1320                         ("%s: Failed to set Power - errCode [%d]!\n",
1321                         __func__, errCode);
1322                         return errCode;
1323                 }
1324         }
1325
1326         /* reset the Tuner, if it is a Xceive tuner */
1327         if ((dev->board.tuner_type == TUNER_XC5000) ||
1328             (dev->board.tuner_type == TUNER_XC2028))
1329                         cx231xx_gpio_set(dev, dev->board.tuner_gpio);
1330
1331         /* initialize Colibri block */
1332         errCode = cx231xx_afe_init_super_block(dev, 0x23c);
1333         if (errCode < 0) {
1334                 cx231xx_errdev
1335                     ("%s: cx231xx_afe init super block - errCode [%d]!\n",
1336                      __func__, errCode);
1337                 return errCode;
1338         }
1339         errCode = cx231xx_afe_init_channels(dev);
1340         if (errCode < 0) {
1341                 cx231xx_errdev
1342                     ("%s: cx231xx_afe init channels - errCode [%d]!\n",
1343                      __func__, errCode);
1344                 return errCode;
1345         }
1346
1347         /* Set DIF in By pass mode */
1348         errCode = cx231xx_dif_set_standard(dev, DIF_USE_BASEBAND);
1349         if (errCode < 0) {
1350                 cx231xx_errdev
1351                     ("%s: cx231xx_dif set to By pass mode - errCode [%d]!\n",
1352                      __func__, errCode);
1353                 return errCode;
1354         }
1355
1356         /* I2S block related functions */
1357         errCode = cx231xx_i2s_blk_initialize(dev);
1358         if (errCode < 0) {
1359                 cx231xx_errdev
1360                     ("%s: cx231xx_i2s block initialize - errCode [%d]!\n",
1361                      __func__, errCode);
1362                 return errCode;
1363         }
1364
1365         /* init control pins */
1366         errCode = cx231xx_init_ctrl_pin_status(dev);
1367         if (errCode < 0) {
1368                 cx231xx_errdev("%s: cx231xx_init ctrl pins - errCode [%d]!\n",
1369                                __func__, errCode);
1370                 return errCode;
1371         }
1372
1373         /* set AGC mode to Analog */
1374         switch (dev->model) {
1375         case CX231XX_BOARD_CNXT_CARRAERA:
1376         case CX231XX_BOARD_CNXT_RDE_250:
1377         case CX231XX_BOARD_CNXT_SHELBY:
1378         case CX231XX_BOARD_CNXT_RDU_250:
1379         errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 1);
1380                 break;
1381         case CX231XX_BOARD_CNXT_RDE_253S:
1382         case CX231XX_BOARD_CNXT_RDU_253S:
1383         case CX231XX_BOARD_HAUPPAUGE_EXETER:
1384         case CX231XX_BOARD_HAUPPAUGE_930C_HD_1113xx:
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 = le32_to_cpu(*((__le32 *) 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 }