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

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