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 "cx231xx.h" 24 #include <linux/init.h> 25 #include <linux/list.h> 26 #include <linux/module.h> 27 #include <linux/slab.h> 28 #include <linux/vmalloc.h> 29 #include <media/v4l2-common.h> 30 #include <media/tuner.h> 31 32 #include "cx231xx-reg.h" 33 34 /* #define ENABLE_DEBUG_ISOC_FRAMES */ 35 36 static unsigned int core_debug; 37 module_param(core_debug, int, 0644); 38 MODULE_PARM_DESC(core_debug, "enable debug messages [core]"); 39 40 #define cx231xx_coredbg(fmt, arg...) do {\ 41 if (core_debug) \ 42 printk(KERN_INFO "%s %s :"fmt, \ 43 dev->name, __func__ , ##arg); } while (0) 44 45 static unsigned int reg_debug; 46 module_param(reg_debug, int, 0644); 47 MODULE_PARM_DESC(reg_debug, "enable debug messages [URB reg]"); 48 49 static int alt = CX231XX_PINOUT; 50 module_param(alt, int, 0644); 51 MODULE_PARM_DESC(alt, "alternate setting to use for video endpoint"); 52 53 #define cx231xx_isocdbg(fmt, arg...) do {\ 54 if (core_debug) \ 55 printk(KERN_INFO "%s %s :"fmt, \ 56 dev->name, __func__ , ##arg); } while (0) 57 58 /***************************************************************** 59 * Device control list functions * 60 ******************************************************************/ 61 62 LIST_HEAD(cx231xx_devlist); 63 static DEFINE_MUTEX(cx231xx_devlist_mutex); 64 65 /* 66 * cx231xx_realease_resources() 67 * unregisters the v4l2,i2c and usb devices 68 * called when the device gets disconected or at module unload 69 */ 70 void cx231xx_remove_from_devlist(struct cx231xx *dev) 71 { 72 if (dev == NULL) 73 return; 74 if (dev->udev == NULL) 75 return; 76 77 if (atomic_read(&dev->devlist_count) > 0) { 78 mutex_lock(&cx231xx_devlist_mutex); 79 list_del(&dev->devlist); 80 atomic_dec(&dev->devlist_count); 81 mutex_unlock(&cx231xx_devlist_mutex); 82 } 83 }; 84 85 void cx231xx_add_into_devlist(struct cx231xx *dev) 86 { 87 mutex_lock(&cx231xx_devlist_mutex); 88 list_add_tail(&dev->devlist, &cx231xx_devlist); 89 atomic_inc(&dev->devlist_count); 90 mutex_unlock(&cx231xx_devlist_mutex); 91 }; 92 93 static LIST_HEAD(cx231xx_extension_devlist); 94 95 int cx231xx_register_extension(struct cx231xx_ops *ops) 96 { 97 struct cx231xx *dev = NULL; 98 99 mutex_lock(&cx231xx_devlist_mutex); 100 list_add_tail(&ops->next, &cx231xx_extension_devlist); 101 list_for_each_entry(dev, &cx231xx_devlist, devlist) { 102 ops->init(dev); 103 dev_info(dev->dev, "%s initialized\n", ops->name); 104 } 105 mutex_unlock(&cx231xx_devlist_mutex); 106 return 0; 107 } 108 EXPORT_SYMBOL(cx231xx_register_extension); 109 110 void cx231xx_unregister_extension(struct cx231xx_ops *ops) 111 { 112 struct cx231xx *dev = NULL; 113 114 mutex_lock(&cx231xx_devlist_mutex); 115 list_for_each_entry(dev, &cx231xx_devlist, devlist) { 116 ops->fini(dev); 117 dev_info(dev->dev, "%s removed\n", ops->name); 118 } 119 120 list_del(&ops->next); 121 mutex_unlock(&cx231xx_devlist_mutex); 122 } 123 EXPORT_SYMBOL(cx231xx_unregister_extension); 124 125 void cx231xx_init_extension(struct cx231xx *dev) 126 { 127 struct cx231xx_ops *ops = NULL; 128 129 mutex_lock(&cx231xx_devlist_mutex); 130 if (!list_empty(&cx231xx_extension_devlist)) { 131 list_for_each_entry(ops, &cx231xx_extension_devlist, next) { 132 if (ops->init) 133 ops->init(dev); 134 } 135 } 136 mutex_unlock(&cx231xx_devlist_mutex); 137 } 138 139 void cx231xx_close_extension(struct cx231xx *dev) 140 { 141 struct cx231xx_ops *ops = NULL; 142 143 mutex_lock(&cx231xx_devlist_mutex); 144 if (!list_empty(&cx231xx_extension_devlist)) { 145 list_for_each_entry(ops, &cx231xx_extension_devlist, next) { 146 if (ops->fini) 147 ops->fini(dev); 148 } 149 } 150 mutex_unlock(&cx231xx_devlist_mutex); 151 } 152 153 /**************************************************************** 154 * U S B related functions * 155 *****************************************************************/ 156 int cx231xx_send_usb_command(struct cx231xx_i2c *i2c_bus, 157 struct cx231xx_i2c_xfer_data *req_data) 158 { 159 int status = 0; 160 struct cx231xx *dev = i2c_bus->dev; 161 struct VENDOR_REQUEST_IN ven_req; 162 163 u8 saddr_len = 0; 164 u8 _i2c_period = 0; 165 u8 _i2c_nostop = 0; 166 u8 _i2c_reserve = 0; 167 168 if (dev->state & DEV_DISCONNECTED) 169 return -ENODEV; 170 171 /* Get the I2C period, nostop and reserve parameters */ 172 _i2c_period = i2c_bus->i2c_period; 173 _i2c_nostop = i2c_bus->i2c_nostop; 174 _i2c_reserve = i2c_bus->i2c_reserve; 175 176 saddr_len = req_data->saddr_len; 177 178 /* Set wValue */ 179 ven_req.wValue = (req_data->dev_addr << 9 | _i2c_period << 4 | 180 saddr_len << 2 | _i2c_nostop << 1 | I2C_SYNC | 181 _i2c_reserve << 6); 182 183 /* set channel number */ 184 if (req_data->direction & I2C_M_RD) { 185 /* channel number, for read,spec required channel_num +4 */ 186 ven_req.bRequest = i2c_bus->nr + 4; 187 } else 188 ven_req.bRequest = i2c_bus->nr; /* channel number, */ 189 190 /* set index value */ 191 switch (saddr_len) { 192 case 0: 193 ven_req.wIndex = 0; /* need check */ 194 break; 195 case 1: 196 ven_req.wIndex = (req_data->saddr_dat & 0xff); 197 break; 198 case 2: 199 ven_req.wIndex = req_data->saddr_dat; 200 break; 201 } 202 203 /* set wLength value */ 204 ven_req.wLength = req_data->buf_size; 205 206 /* set bData value */ 207 ven_req.bData = 0; 208 209 /* set the direction */ 210 if (req_data->direction) { 211 ven_req.direction = USB_DIR_IN; 212 memset(req_data->p_buffer, 0x00, ven_req.wLength); 213 } else 214 ven_req.direction = USB_DIR_OUT; 215 216 /* set the buffer for read / write */ 217 ven_req.pBuff = req_data->p_buffer; 218 219 220 /* call common vendor command request */ 221 status = cx231xx_send_vendor_cmd(dev, &ven_req); 222 if (status < 0 && !dev->i2c_scan_running) { 223 dev_err(dev->dev, "%s: failed with status -%d\n", 224 __func__, status); 225 } 226 227 return status; 228 } 229 EXPORT_SYMBOL_GPL(cx231xx_send_usb_command); 230 231 /* 232 * Sends/Receives URB control messages, assuring to use a kalloced buffer 233 * for all operations (dev->urb_buf), to avoid using stacked buffers, as 234 * they aren't safe for usage with USB, due to DMA restrictions. 235 * Also implements the debug code for control URB's. 236 */ 237 static int __usb_control_msg(struct cx231xx *dev, unsigned int pipe, 238 __u8 request, __u8 requesttype, __u16 value, __u16 index, 239 void *data, __u16 size, int timeout) 240 { 241 int rc, i; 242 243 if (reg_debug) { 244 printk(KERN_DEBUG "%s: (pipe 0x%08x): " 245 "%s: %02x %02x %02x %02x %02x %02x %02x %02x ", 246 dev->name, 247 pipe, 248 (requesttype & USB_DIR_IN) ? "IN" : "OUT", 249 requesttype, 250 request, 251 value & 0xff, value >> 8, 252 index & 0xff, index >> 8, 253 size & 0xff, size >> 8); 254 if (!(requesttype & USB_DIR_IN)) { 255 printk(KERN_CONT ">>>"); 256 for (i = 0; i < size; i++) 257 printk(KERN_CONT " %02x", 258 ((unsigned char *)data)[i]); 259 } 260 } 261 262 /* Do the real call to usb_control_msg */ 263 mutex_lock(&dev->ctrl_urb_lock); 264 if (!(requesttype & USB_DIR_IN) && size) 265 memcpy(dev->urb_buf, data, size); 266 rc = usb_control_msg(dev->udev, pipe, request, requesttype, value, 267 index, dev->urb_buf, size, timeout); 268 if ((requesttype & USB_DIR_IN) && size) 269 memcpy(data, dev->urb_buf, size); 270 mutex_unlock(&dev->ctrl_urb_lock); 271 272 if (reg_debug) { 273 if (unlikely(rc < 0)) { 274 printk(KERN_CONT "FAILED!\n"); 275 return rc; 276 } 277 278 if ((requesttype & USB_DIR_IN)) { 279 printk(KERN_CONT "<<<"); 280 for (i = 0; i < size; i++) 281 printk(KERN_CONT " %02x", 282 ((unsigned char *)data)[i]); 283 } 284 printk(KERN_CONT "\n"); 285 } 286 287 return rc; 288 } 289 290 291 /* 292 * cx231xx_read_ctrl_reg() 293 * reads data from the usb device specifying bRequest and wValue 294 */ 295 int cx231xx_read_ctrl_reg(struct cx231xx *dev, u8 req, u16 reg, 296 char *buf, int len) 297 { 298 u8 val = 0; 299 int ret; 300 int pipe = usb_rcvctrlpipe(dev->udev, 0); 301 302 if (dev->state & DEV_DISCONNECTED) 303 return -ENODEV; 304 305 if (len > URB_MAX_CTRL_SIZE) 306 return -EINVAL; 307 308 switch (len) { 309 case 1: 310 val = ENABLE_ONE_BYTE; 311 break; 312 case 2: 313 val = ENABLE_TWE_BYTE; 314 break; 315 case 3: 316 val = ENABLE_THREE_BYTE; 317 break; 318 case 4: 319 val = ENABLE_FOUR_BYTE; 320 break; 321 default: 322 val = 0xFF; /* invalid option */ 323 } 324 325 if (val == 0xFF) 326 return -EINVAL; 327 328 ret = __usb_control_msg(dev, pipe, req, 329 USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, 330 val, reg, buf, len, HZ); 331 return ret; 332 } 333 334 int cx231xx_send_vendor_cmd(struct cx231xx *dev, 335 struct VENDOR_REQUEST_IN *ven_req) 336 { 337 int ret; 338 int pipe = 0; 339 int unsend_size = 0; 340 u8 *pdata; 341 342 if (dev->state & DEV_DISCONNECTED) 343 return -ENODEV; 344 345 if ((ven_req->wLength > URB_MAX_CTRL_SIZE)) 346 return -EINVAL; 347 348 if (ven_req->direction) 349 pipe = usb_rcvctrlpipe(dev->udev, 0); 350 else 351 pipe = usb_sndctrlpipe(dev->udev, 0); 352 353 /* 354 * If the cx23102 read more than 4 bytes with i2c bus, 355 * need chop to 4 byte per request 356 */ 357 if ((ven_req->wLength > 4) && ((ven_req->bRequest == 0x4) || 358 (ven_req->bRequest == 0x5) || 359 (ven_req->bRequest == 0x6))) { 360 unsend_size = 0; 361 pdata = ven_req->pBuff; 362 363 364 unsend_size = ven_req->wLength; 365 366 /* the first package */ 367 ven_req->wValue = ven_req->wValue & 0xFFFB; 368 ven_req->wValue = (ven_req->wValue & 0xFFBD) | 0x2; 369 ret = __usb_control_msg(dev, pipe, ven_req->bRequest, 370 ven_req->direction | USB_TYPE_VENDOR | USB_RECIP_DEVICE, 371 ven_req->wValue, ven_req->wIndex, pdata, 372 0x0004, HZ); 373 unsend_size = unsend_size - 4; 374 375 /* the middle package */ 376 ven_req->wValue = (ven_req->wValue & 0xFFBD) | 0x42; 377 while (unsend_size - 4 > 0) { 378 pdata = pdata + 4; 379 ret = __usb_control_msg(dev, pipe, 380 ven_req->bRequest, 381 ven_req->direction | USB_TYPE_VENDOR | USB_RECIP_DEVICE, 382 ven_req->wValue, ven_req->wIndex, pdata, 383 0x0004, HZ); 384 unsend_size = unsend_size - 4; 385 } 386 387 /* the last package */ 388 ven_req->wValue = (ven_req->wValue & 0xFFBD) | 0x40; 389 pdata = pdata + 4; 390 ret = __usb_control_msg(dev, pipe, ven_req->bRequest, 391 ven_req->direction | USB_TYPE_VENDOR | USB_RECIP_DEVICE, 392 ven_req->wValue, ven_req->wIndex, pdata, 393 unsend_size, HZ); 394 } else { 395 ret = __usb_control_msg(dev, pipe, ven_req->bRequest, 396 ven_req->direction | USB_TYPE_VENDOR | USB_RECIP_DEVICE, 397 ven_req->wValue, ven_req->wIndex, 398 ven_req->pBuff, ven_req->wLength, HZ); 399 } 400 401 return ret; 402 } 403 404 /* 405 * cx231xx_write_ctrl_reg() 406 * sends data to the usb device, specifying bRequest 407 */ 408 int cx231xx_write_ctrl_reg(struct cx231xx *dev, u8 req, u16 reg, char *buf, 409 int len) 410 { 411 u8 val = 0; 412 int ret; 413 int pipe = usb_sndctrlpipe(dev->udev, 0); 414 415 if (dev->state & DEV_DISCONNECTED) 416 return -ENODEV; 417 418 if ((len < 1) || (len > URB_MAX_CTRL_SIZE)) 419 return -EINVAL; 420 421 switch (len) { 422 case 1: 423 val = ENABLE_ONE_BYTE; 424 break; 425 case 2: 426 val = ENABLE_TWE_BYTE; 427 break; 428 case 3: 429 val = ENABLE_THREE_BYTE; 430 break; 431 case 4: 432 val = ENABLE_FOUR_BYTE; 433 break; 434 default: 435 val = 0xFF; /* invalid option */ 436 } 437 438 if (val == 0xFF) 439 return -EINVAL; 440 441 if (reg_debug) { 442 int byte; 443 444 cx231xx_isocdbg("(pipe 0x%08x): " 445 "OUT: %02x %02x %02x %02x %02x %02x %02x %02x >>>", 446 pipe, 447 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, 448 req, 0, val, reg & 0xff, 449 reg >> 8, len & 0xff, len >> 8); 450 451 for (byte = 0; byte < len; byte++) 452 cx231xx_isocdbg(" %02x", (unsigned char)buf[byte]); 453 cx231xx_isocdbg("\n"); 454 } 455 456 ret = __usb_control_msg(dev, pipe, req, 457 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, 458 val, reg, buf, len, HZ); 459 460 return ret; 461 } 462 463 /**************************************************************** 464 * USB Alternate Setting functions * 465 *****************************************************************/ 466 467 int cx231xx_set_video_alternate(struct cx231xx *dev) 468 { 469 int errCode, prev_alt = dev->video_mode.alt; 470 unsigned int min_pkt_size = dev->width * 2 + 4; 471 u32 usb_interface_index = 0; 472 473 /* When image size is bigger than a certain value, 474 the frame size should be increased, otherwise, only 475 green screen will be received. 476 */ 477 if (dev->width * 2 * dev->height > 720 * 240 * 2) 478 min_pkt_size *= 2; 479 480 if (dev->width > 360) { 481 /* resolutions: 720,704,640 */ 482 dev->video_mode.alt = 3; 483 } else if (dev->width > 180) { 484 /* resolutions: 360,352,320,240 */ 485 dev->video_mode.alt = 2; 486 } else if (dev->width > 0) { 487 /* resolutions: 180,176,160,128,88 */ 488 dev->video_mode.alt = 1; 489 } else { 490 /* Change to alt0 BULK to release USB bandwidth */ 491 dev->video_mode.alt = 0; 492 } 493 494 if (dev->USE_ISO == 0) 495 dev->video_mode.alt = 0; 496 497 cx231xx_coredbg("dev->video_mode.alt= %d\n", dev->video_mode.alt); 498 499 /* Get the correct video interface Index */ 500 usb_interface_index = 501 dev->current_pcb_config.hs_config_info[0].interface_info. 502 video_index + 1; 503 504 if (dev->video_mode.alt != prev_alt) { 505 cx231xx_coredbg("minimum isoc packet size: %u (alt=%d)\n", 506 min_pkt_size, dev->video_mode.alt); 507 508 if (dev->video_mode.alt_max_pkt_size != NULL) 509 dev->video_mode.max_pkt_size = 510 dev->video_mode.alt_max_pkt_size[dev->video_mode.alt]; 511 cx231xx_coredbg("setting alternate %d with wMaxPacketSize=%u\n", 512 dev->video_mode.alt, 513 dev->video_mode.max_pkt_size); 514 errCode = 515 usb_set_interface(dev->udev, usb_interface_index, 516 dev->video_mode.alt); 517 if (errCode < 0) { 518 dev_err(dev->dev, 519 "cannot change alt number to %d (error=%i)\n", 520 dev->video_mode.alt, errCode); 521 return errCode; 522 } 523 } 524 return 0; 525 } 526 527 int cx231xx_set_alt_setting(struct cx231xx *dev, u8 index, u8 alt) 528 { 529 int status = 0; 530 u32 usb_interface_index = 0; 531 u32 max_pkt_size = 0; 532 533 switch (index) { 534 case INDEX_TS1: 535 usb_interface_index = 536 dev->current_pcb_config.hs_config_info[0].interface_info. 537 ts1_index + 1; 538 dev->ts1_mode.alt = alt; 539 if (dev->ts1_mode.alt_max_pkt_size != NULL) 540 max_pkt_size = dev->ts1_mode.max_pkt_size = 541 dev->ts1_mode.alt_max_pkt_size[dev->ts1_mode.alt]; 542 break; 543 case INDEX_TS2: 544 usb_interface_index = 545 dev->current_pcb_config.hs_config_info[0].interface_info. 546 ts2_index + 1; 547 break; 548 case INDEX_AUDIO: 549 usb_interface_index = 550 dev->current_pcb_config.hs_config_info[0].interface_info. 551 audio_index + 1; 552 dev->adev.alt = alt; 553 if (dev->adev.alt_max_pkt_size != NULL) 554 max_pkt_size = dev->adev.max_pkt_size = 555 dev->adev.alt_max_pkt_size[dev->adev.alt]; 556 break; 557 case INDEX_VIDEO: 558 usb_interface_index = 559 dev->current_pcb_config.hs_config_info[0].interface_info. 560 video_index + 1; 561 dev->video_mode.alt = alt; 562 if (dev->video_mode.alt_max_pkt_size != NULL) 563 max_pkt_size = dev->video_mode.max_pkt_size = 564 dev->video_mode.alt_max_pkt_size[dev->video_mode. 565 alt]; 566 break; 567 case INDEX_VANC: 568 if (dev->board.no_alt_vanc) 569 return 0; 570 usb_interface_index = 571 dev->current_pcb_config.hs_config_info[0].interface_info. 572 vanc_index + 1; 573 dev->vbi_mode.alt = alt; 574 if (dev->vbi_mode.alt_max_pkt_size != NULL) 575 max_pkt_size = dev->vbi_mode.max_pkt_size = 576 dev->vbi_mode.alt_max_pkt_size[dev->vbi_mode.alt]; 577 break; 578 case INDEX_HANC: 579 usb_interface_index = 580 dev->current_pcb_config.hs_config_info[0].interface_info. 581 hanc_index + 1; 582 dev->sliced_cc_mode.alt = alt; 583 if (dev->sliced_cc_mode.alt_max_pkt_size != NULL) 584 max_pkt_size = dev->sliced_cc_mode.max_pkt_size = 585 dev->sliced_cc_mode.alt_max_pkt_size[dev-> 586 sliced_cc_mode. 587 alt]; 588 break; 589 default: 590 break; 591 } 592 593 if (alt > 0 && max_pkt_size == 0) { 594 dev_err(dev->dev, 595 "can't change interface %d alt no. to %d: Max. Pkt size = 0\n", 596 usb_interface_index, alt); 597 /*To workaround error number=-71 on EP0 for videograbber, 598 need add following codes.*/ 599 if (dev->board.no_alt_vanc) 600 return -1; 601 } 602 603 cx231xx_coredbg("setting alternate %d with wMaxPacketSize=%u," 604 "Interface = %d\n", alt, max_pkt_size, 605 usb_interface_index); 606 607 if (usb_interface_index > 0) { 608 status = usb_set_interface(dev->udev, usb_interface_index, alt); 609 if (status < 0) { 610 dev_err(dev->dev, 611 "can't change interface %d alt no. to %d (err=%i)\n", 612 usb_interface_index, alt, status); 613 return status; 614 } 615 } 616 617 return status; 618 } 619 EXPORT_SYMBOL_GPL(cx231xx_set_alt_setting); 620 621 int cx231xx_gpio_set(struct cx231xx *dev, struct cx231xx_reg_seq *gpio) 622 { 623 int rc = 0; 624 625 if (!gpio) 626 return rc; 627 628 /* Send GPIO reset sequences specified at board entry */ 629 while (gpio->sleep >= 0) { 630 rc = cx231xx_set_gpio_value(dev, gpio->bit, gpio->val); 631 if (rc < 0) 632 return rc; 633 634 if (gpio->sleep > 0) 635 msleep(gpio->sleep); 636 637 gpio++; 638 } 639 return rc; 640 } 641 642 int cx231xx_demod_reset(struct cx231xx *dev) 643 { 644 645 u8 status = 0; 646 u8 value[4] = { 0, 0, 0, 0 }; 647 648 status = cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, PWR_CTL_EN, 649 value, 4); 650 651 cx231xx_coredbg("reg0x%x=0x%x 0x%x 0x%x 0x%x\n", PWR_CTL_EN, 652 value[0], value[1], value[2], value[3]); 653 654 cx231xx_coredbg("Enter cx231xx_demod_reset()\n"); 655 656 value[1] = (u8) 0x3; 657 status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, 658 PWR_CTL_EN, value, 4); 659 msleep(10); 660 661 value[1] = (u8) 0x0; 662 status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, 663 PWR_CTL_EN, value, 4); 664 msleep(10); 665 666 value[1] = (u8) 0x3; 667 status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, 668 PWR_CTL_EN, value, 4); 669 msleep(10); 670 671 672 673 status = cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, PWR_CTL_EN, 674 value, 4); 675 676 cx231xx_coredbg("reg0x%x=0x%x 0x%x 0x%x 0x%x\n", PWR_CTL_EN, 677 value[0], value[1], value[2], value[3]); 678 679 return status; 680 } 681 EXPORT_SYMBOL_GPL(cx231xx_demod_reset); 682 int is_fw_load(struct cx231xx *dev) 683 { 684 return cx231xx_check_fw(dev); 685 } 686 EXPORT_SYMBOL_GPL(is_fw_load); 687 688 int cx231xx_set_mode(struct cx231xx *dev, enum cx231xx_mode set_mode) 689 { 690 int errCode = 0; 691 692 if (dev->mode == set_mode) 693 return 0; 694 695 if (set_mode == CX231XX_SUSPEND) { 696 /* Set the chip in power saving mode */ 697 dev->mode = set_mode; 698 } 699 700 /* Resource is locked */ 701 if (dev->mode != CX231XX_SUSPEND) 702 return -EINVAL; 703 704 dev->mode = set_mode; 705 706 if (dev->mode == CX231XX_DIGITAL_MODE)/* Set Digital power mode */ { 707 /* set AGC mode to Digital */ 708 switch (dev->model) { 709 case CX231XX_BOARD_CNXT_CARRAERA: 710 case CX231XX_BOARD_CNXT_RDE_250: 711 case CX231XX_BOARD_CNXT_SHELBY: 712 case CX231XX_BOARD_CNXT_RDU_250: 713 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 0); 714 break; 715 case CX231XX_BOARD_CNXT_RDE_253S: 716 case CX231XX_BOARD_CNXT_RDU_253S: 717 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 1); 718 break; 719 case CX231XX_BOARD_HAUPPAUGE_EXETER: 720 case CX231XX_BOARD_HAUPPAUGE_930C_HD_1113xx: 721 errCode = cx231xx_set_power_mode(dev, 722 POLARIS_AVMODE_DIGITAL); 723 break; 724 default: 725 break; 726 } 727 } else/* Set Analog Power mode */ { 728 /* set AGC mode to Analog */ 729 switch (dev->model) { 730 case CX231XX_BOARD_CNXT_CARRAERA: 731 case CX231XX_BOARD_CNXT_RDE_250: 732 case CX231XX_BOARD_CNXT_SHELBY: 733 case CX231XX_BOARD_CNXT_RDU_250: 734 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 1); 735 break; 736 case CX231XX_BOARD_CNXT_RDE_253S: 737 case CX231XX_BOARD_CNXT_RDU_253S: 738 case CX231XX_BOARD_HAUPPAUGE_EXETER: 739 case CX231XX_BOARD_HAUPPAUGE_930C_HD_1113xx: 740 case CX231XX_BOARD_PV_PLAYTV_USB_HYBRID: 741 case CX231XX_BOARD_HAUPPAUGE_USB2_FM_PAL: 742 case CX231XX_BOARD_HAUPPAUGE_USB2_FM_NTSC: 743 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 0); 744 break; 745 default: 746 break; 747 } 748 } 749 750 return errCode ? -EINVAL : 0; 751 } 752 EXPORT_SYMBOL_GPL(cx231xx_set_mode); 753 754 int cx231xx_ep5_bulkout(struct cx231xx *dev, u8 *firmware, u16 size) 755 { 756 int errCode = 0; 757 int actlen, ret = -ENOMEM; 758 u32 *buffer; 759 760 buffer = kzalloc(4096, GFP_KERNEL); 761 if (buffer == NULL) 762 return -ENOMEM; 763 memcpy(&buffer[0], firmware, 4096); 764 765 ret = usb_bulk_msg(dev->udev, usb_sndbulkpipe(dev->udev, 5), 766 buffer, 4096, &actlen, 2000); 767 768 if (ret) 769 dev_err(dev->dev, 770 "bulk message failed: %d (%d/%d)", ret, 771 size, actlen); 772 else { 773 errCode = actlen != size ? -1 : 0; 774 } 775 kfree(buffer); 776 return errCode; 777 } 778 779 /***************************************************************** 780 * URB Streaming functions * 781 ******************************************************************/ 782 783 /* 784 * IRQ callback, called by URB callback 785 */ 786 static void cx231xx_isoc_irq_callback(struct urb *urb) 787 { 788 struct cx231xx_dmaqueue *dma_q = urb->context; 789 struct cx231xx_video_mode *vmode = 790 container_of(dma_q, struct cx231xx_video_mode, vidq); 791 struct cx231xx *dev = container_of(vmode, struct cx231xx, video_mode); 792 int i; 793 794 switch (urb->status) { 795 case 0: /* success */ 796 case -ETIMEDOUT: /* NAK */ 797 break; 798 case -ECONNRESET: /* kill */ 799 case -ENOENT: 800 case -ESHUTDOWN: 801 return; 802 default: /* error */ 803 cx231xx_isocdbg("urb completition error %d.\n", urb->status); 804 break; 805 } 806 807 /* Copy data from URB */ 808 spin_lock(&dev->video_mode.slock); 809 dev->video_mode.isoc_ctl.isoc_copy(dev, urb); 810 spin_unlock(&dev->video_mode.slock); 811 812 /* Reset urb buffers */ 813 for (i = 0; i < urb->number_of_packets; i++) { 814 urb->iso_frame_desc[i].status = 0; 815 urb->iso_frame_desc[i].actual_length = 0; 816 } 817 818 urb->status = usb_submit_urb(urb, GFP_ATOMIC); 819 if (urb->status) { 820 cx231xx_isocdbg("urb resubmit failed (error=%i)\n", 821 urb->status); 822 } 823 } 824 /***************************************************************** 825 * URB Streaming functions * 826 ******************************************************************/ 827 828 /* 829 * IRQ callback, called by URB callback 830 */ 831 static void cx231xx_bulk_irq_callback(struct urb *urb) 832 { 833 struct cx231xx_dmaqueue *dma_q = urb->context; 834 struct cx231xx_video_mode *vmode = 835 container_of(dma_q, struct cx231xx_video_mode, vidq); 836 struct cx231xx *dev = container_of(vmode, struct cx231xx, video_mode); 837 838 switch (urb->status) { 839 case 0: /* success */ 840 case -ETIMEDOUT: /* NAK */ 841 break; 842 case -ECONNRESET: /* kill */ 843 case -ENOENT: 844 case -ESHUTDOWN: 845 return; 846 default: /* error */ 847 cx231xx_isocdbg("urb completition error %d.\n", urb->status); 848 break; 849 } 850 851 /* Copy data from URB */ 852 spin_lock(&dev->video_mode.slock); 853 dev->video_mode.bulk_ctl.bulk_copy(dev, urb); 854 spin_unlock(&dev->video_mode.slock); 855 856 /* Reset urb buffers */ 857 urb->status = usb_submit_urb(urb, GFP_ATOMIC); 858 if (urb->status) { 859 cx231xx_isocdbg("urb resubmit failed (error=%i)\n", 860 urb->status); 861 } 862 } 863 /* 864 * Stop and Deallocate URBs 865 */ 866 void cx231xx_uninit_isoc(struct cx231xx *dev) 867 { 868 struct cx231xx_dmaqueue *dma_q = &dev->video_mode.vidq; 869 struct urb *urb; 870 int i; 871 872 cx231xx_isocdbg("cx231xx: called cx231xx_uninit_isoc\n"); 873 874 dev->video_mode.isoc_ctl.nfields = -1; 875 for (i = 0; i < dev->video_mode.isoc_ctl.num_bufs; i++) { 876 urb = dev->video_mode.isoc_ctl.urb[i]; 877 if (urb) { 878 if (!irqs_disabled()) 879 usb_kill_urb(urb); 880 else 881 usb_unlink_urb(urb); 882 883 if (dev->video_mode.isoc_ctl.transfer_buffer[i]) { 884 usb_free_coherent(dev->udev, 885 urb->transfer_buffer_length, 886 dev->video_mode.isoc_ctl. 887 transfer_buffer[i], 888 urb->transfer_dma); 889 } 890 usb_free_urb(urb); 891 dev->video_mode.isoc_ctl.urb[i] = NULL; 892 } 893 dev->video_mode.isoc_ctl.transfer_buffer[i] = NULL; 894 } 895 896 kfree(dev->video_mode.isoc_ctl.urb); 897 kfree(dev->video_mode.isoc_ctl.transfer_buffer); 898 kfree(dma_q->p_left_data); 899 900 dev->video_mode.isoc_ctl.urb = NULL; 901 dev->video_mode.isoc_ctl.transfer_buffer = NULL; 902 dev->video_mode.isoc_ctl.num_bufs = 0; 903 dma_q->p_left_data = NULL; 904 905 if (dev->mode_tv == 0) 906 cx231xx_capture_start(dev, 0, Raw_Video); 907 else 908 cx231xx_capture_start(dev, 0, TS1_serial_mode); 909 910 911 } 912 EXPORT_SYMBOL_GPL(cx231xx_uninit_isoc); 913 914 /* 915 * Stop and Deallocate URBs 916 */ 917 void cx231xx_uninit_bulk(struct cx231xx *dev) 918 { 919 struct urb *urb; 920 int i; 921 922 cx231xx_isocdbg("cx231xx: called cx231xx_uninit_bulk\n"); 923 924 dev->video_mode.bulk_ctl.nfields = -1; 925 for (i = 0; i < dev->video_mode.bulk_ctl.num_bufs; i++) { 926 urb = dev->video_mode.bulk_ctl.urb[i]; 927 if (urb) { 928 if (!irqs_disabled()) 929 usb_kill_urb(urb); 930 else 931 usb_unlink_urb(urb); 932 933 if (dev->video_mode.bulk_ctl.transfer_buffer[i]) { 934 usb_free_coherent(dev->udev, 935 urb->transfer_buffer_length, 936 dev->video_mode.isoc_ctl. 937 transfer_buffer[i], 938 urb->transfer_dma); 939 } 940 usb_free_urb(urb); 941 dev->video_mode.bulk_ctl.urb[i] = NULL; 942 } 943 dev->video_mode.bulk_ctl.transfer_buffer[i] = NULL; 944 } 945 946 kfree(dev->video_mode.bulk_ctl.urb); 947 kfree(dev->video_mode.bulk_ctl.transfer_buffer); 948 949 dev->video_mode.bulk_ctl.urb = NULL; 950 dev->video_mode.bulk_ctl.transfer_buffer = NULL; 951 dev->video_mode.bulk_ctl.num_bufs = 0; 952 953 if (dev->mode_tv == 0) 954 cx231xx_capture_start(dev, 0, Raw_Video); 955 else 956 cx231xx_capture_start(dev, 0, TS1_serial_mode); 957 958 959 } 960 EXPORT_SYMBOL_GPL(cx231xx_uninit_bulk); 961 962 /* 963 * Allocate URBs and start IRQ 964 */ 965 int cx231xx_init_isoc(struct cx231xx *dev, int max_packets, 966 int num_bufs, int max_pkt_size, 967 int (*isoc_copy) (struct cx231xx *dev, struct urb *urb)) 968 { 969 struct cx231xx_dmaqueue *dma_q = &dev->video_mode.vidq; 970 int i; 971 int sb_size, pipe; 972 struct urb *urb; 973 int j, k; 974 int rc; 975 976 /* De-allocates all pending stuff */ 977 cx231xx_uninit_isoc(dev); 978 979 dma_q->p_left_data = kzalloc(4096, GFP_KERNEL); 980 if (dma_q->p_left_data == NULL) 981 return -ENOMEM; 982 983 dev->video_mode.isoc_ctl.isoc_copy = isoc_copy; 984 dev->video_mode.isoc_ctl.num_bufs = num_bufs; 985 dma_q->pos = 0; 986 dma_q->is_partial_line = 0; 987 dma_q->last_sav = 0; 988 dma_q->current_field = -1; 989 dma_q->field1_done = 0; 990 dma_q->lines_per_field = dev->height / 2; 991 dma_q->bytes_left_in_line = dev->width << 1; 992 dma_q->lines_completed = 0; 993 dma_q->mpeg_buffer_done = 0; 994 dma_q->left_data_count = 0; 995 dma_q->mpeg_buffer_completed = 0; 996 dma_q->add_ps_package_head = CX231XX_NEED_ADD_PS_PACKAGE_HEAD; 997 dma_q->ps_head[0] = 0x00; 998 dma_q->ps_head[1] = 0x00; 999 dma_q->ps_head[2] = 0x01; 1000 dma_q->ps_head[3] = 0xBA; 1001 for (i = 0; i < 8; i++) 1002 dma_q->partial_buf[i] = 0; 1003 1004 dev->video_mode.isoc_ctl.urb = 1005 kzalloc(sizeof(void *) * num_bufs, GFP_KERNEL); 1006 if (!dev->video_mode.isoc_ctl.urb) { 1007 dev_err(dev->dev, 1008 "cannot alloc memory for usb buffers\n"); 1009 return -ENOMEM; 1010 } 1011 1012 dev->video_mode.isoc_ctl.transfer_buffer = 1013 kzalloc(sizeof(void *) * num_bufs, GFP_KERNEL); 1014 if (!dev->video_mode.isoc_ctl.transfer_buffer) { 1015 dev_err(dev->dev, 1016 "cannot allocate memory for usbtransfer\n"); 1017 kfree(dev->video_mode.isoc_ctl.urb); 1018 return -ENOMEM; 1019 } 1020 1021 dev->video_mode.isoc_ctl.max_pkt_size = max_pkt_size; 1022 dev->video_mode.isoc_ctl.buf = NULL; 1023 1024 sb_size = max_packets * dev->video_mode.isoc_ctl.max_pkt_size; 1025 1026 if (dev->mode_tv == 1) 1027 dev->video_mode.end_point_addr = 0x81; 1028 else 1029 dev->video_mode.end_point_addr = 0x84; 1030 1031 1032 /* allocate urbs and transfer buffers */ 1033 for (i = 0; i < dev->video_mode.isoc_ctl.num_bufs; i++) { 1034 urb = usb_alloc_urb(max_packets, GFP_KERNEL); 1035 if (!urb) { 1036 dev_err(dev->dev, 1037 "cannot alloc isoc_ctl.urb %i\n", i); 1038 cx231xx_uninit_isoc(dev); 1039 return -ENOMEM; 1040 } 1041 dev->video_mode.isoc_ctl.urb[i] = urb; 1042 1043 dev->video_mode.isoc_ctl.transfer_buffer[i] = 1044 usb_alloc_coherent(dev->udev, sb_size, GFP_KERNEL, 1045 &urb->transfer_dma); 1046 if (!dev->video_mode.isoc_ctl.transfer_buffer[i]) { 1047 dev_err(dev->dev, 1048 "unable to allocate %i bytes for transfer buffer %i%s\n", 1049 sb_size, i, 1050 in_interrupt() ? " while in int" : ""); 1051 cx231xx_uninit_isoc(dev); 1052 return -ENOMEM; 1053 } 1054 memset(dev->video_mode.isoc_ctl.transfer_buffer[i], 0, sb_size); 1055 1056 pipe = 1057 usb_rcvisocpipe(dev->udev, dev->video_mode.end_point_addr); 1058 1059 usb_fill_int_urb(urb, dev->udev, pipe, 1060 dev->video_mode.isoc_ctl.transfer_buffer[i], 1061 sb_size, cx231xx_isoc_irq_callback, dma_q, 1); 1062 1063 urb->number_of_packets = max_packets; 1064 urb->transfer_flags = URB_ISO_ASAP | URB_NO_TRANSFER_DMA_MAP; 1065 1066 k = 0; 1067 for (j = 0; j < max_packets; j++) { 1068 urb->iso_frame_desc[j].offset = k; 1069 urb->iso_frame_desc[j].length = 1070 dev->video_mode.isoc_ctl.max_pkt_size; 1071 k += dev->video_mode.isoc_ctl.max_pkt_size; 1072 } 1073 } 1074 1075 init_waitqueue_head(&dma_q->wq); 1076 1077 /* submit urbs and enables IRQ */ 1078 for (i = 0; i < dev->video_mode.isoc_ctl.num_bufs; i++) { 1079 rc = usb_submit_urb(dev->video_mode.isoc_ctl.urb[i], 1080 GFP_ATOMIC); 1081 if (rc) { 1082 dev_err(dev->dev, 1083 "submit of urb %i failed (error=%i)\n", i, 1084 rc); 1085 cx231xx_uninit_isoc(dev); 1086 return rc; 1087 } 1088 } 1089 1090 if (dev->mode_tv == 0) 1091 cx231xx_capture_start(dev, 1, Raw_Video); 1092 else 1093 cx231xx_capture_start(dev, 1, TS1_serial_mode); 1094 1095 return 0; 1096 } 1097 EXPORT_SYMBOL_GPL(cx231xx_init_isoc); 1098 1099 /* 1100 * Allocate URBs and start IRQ 1101 */ 1102 int cx231xx_init_bulk(struct cx231xx *dev, int max_packets, 1103 int num_bufs, int max_pkt_size, 1104 int (*bulk_copy) (struct cx231xx *dev, struct urb *urb)) 1105 { 1106 struct cx231xx_dmaqueue *dma_q = &dev->video_mode.vidq; 1107 int i; 1108 int sb_size, pipe; 1109 struct urb *urb; 1110 int rc; 1111 1112 dev->video_input = dev->video_input > 2 ? 2 : dev->video_input; 1113 1114 cx231xx_coredbg("Setting Video mux to %d\n", dev->video_input); 1115 1116 video_mux(dev, dev->video_input); 1117 1118 /* De-allocates all pending stuff */ 1119 cx231xx_uninit_bulk(dev); 1120 1121 dev->video_mode.bulk_ctl.bulk_copy = bulk_copy; 1122 dev->video_mode.bulk_ctl.num_bufs = num_bufs; 1123 dma_q->pos = 0; 1124 dma_q->is_partial_line = 0; 1125 dma_q->last_sav = 0; 1126 dma_q->current_field = -1; 1127 dma_q->field1_done = 0; 1128 dma_q->lines_per_field = dev->height / 2; 1129 dma_q->bytes_left_in_line = dev->width << 1; 1130 dma_q->lines_completed = 0; 1131 dma_q->mpeg_buffer_done = 0; 1132 dma_q->left_data_count = 0; 1133 dma_q->mpeg_buffer_completed = 0; 1134 dma_q->ps_head[0] = 0x00; 1135 dma_q->ps_head[1] = 0x00; 1136 dma_q->ps_head[2] = 0x01; 1137 dma_q->ps_head[3] = 0xBA; 1138 for (i = 0; i < 8; i++) 1139 dma_q->partial_buf[i] = 0; 1140 1141 dev->video_mode.bulk_ctl.urb = 1142 kzalloc(sizeof(void *) * num_bufs, GFP_KERNEL); 1143 if (!dev->video_mode.bulk_ctl.urb) { 1144 dev_err(dev->dev, 1145 "cannot alloc memory for usb buffers\n"); 1146 return -ENOMEM; 1147 } 1148 1149 dev->video_mode.bulk_ctl.transfer_buffer = 1150 kzalloc(sizeof(void *) * num_bufs, GFP_KERNEL); 1151 if (!dev->video_mode.bulk_ctl.transfer_buffer) { 1152 dev_err(dev->dev, 1153 "cannot allocate memory for usbtransfer\n"); 1154 kfree(dev->video_mode.bulk_ctl.urb); 1155 return -ENOMEM; 1156 } 1157 1158 dev->video_mode.bulk_ctl.max_pkt_size = max_pkt_size; 1159 dev->video_mode.bulk_ctl.buf = NULL; 1160 1161 sb_size = max_packets * dev->video_mode.bulk_ctl.max_pkt_size; 1162 1163 if (dev->mode_tv == 1) 1164 dev->video_mode.end_point_addr = 0x81; 1165 else 1166 dev->video_mode.end_point_addr = 0x84; 1167 1168 1169 /* allocate urbs and transfer buffers */ 1170 for (i = 0; i < dev->video_mode.bulk_ctl.num_bufs; i++) { 1171 urb = usb_alloc_urb(0, GFP_KERNEL); 1172 if (!urb) { 1173 dev_err(dev->dev, 1174 "cannot alloc bulk_ctl.urb %i\n", i); 1175 cx231xx_uninit_bulk(dev); 1176 return -ENOMEM; 1177 } 1178 dev->video_mode.bulk_ctl.urb[i] = urb; 1179 urb->transfer_flags = URB_NO_TRANSFER_DMA_MAP; 1180 1181 dev->video_mode.bulk_ctl.transfer_buffer[i] = 1182 usb_alloc_coherent(dev->udev, sb_size, GFP_KERNEL, 1183 &urb->transfer_dma); 1184 if (!dev->video_mode.bulk_ctl.transfer_buffer[i]) { 1185 dev_err(dev->dev, 1186 "unable to allocate %i bytes for transfer buffer %i%s\n", 1187 sb_size, i, 1188 in_interrupt() ? " while in int" : ""); 1189 cx231xx_uninit_bulk(dev); 1190 return -ENOMEM; 1191 } 1192 memset(dev->video_mode.bulk_ctl.transfer_buffer[i], 0, sb_size); 1193 1194 pipe = usb_rcvbulkpipe(dev->udev, 1195 dev->video_mode.end_point_addr); 1196 usb_fill_bulk_urb(urb, dev->udev, pipe, 1197 dev->video_mode.bulk_ctl.transfer_buffer[i], 1198 sb_size, cx231xx_bulk_irq_callback, dma_q); 1199 } 1200 1201 init_waitqueue_head(&dma_q->wq); 1202 1203 /* submit urbs and enables IRQ */ 1204 for (i = 0; i < dev->video_mode.bulk_ctl.num_bufs; i++) { 1205 rc = usb_submit_urb(dev->video_mode.bulk_ctl.urb[i], 1206 GFP_ATOMIC); 1207 if (rc) { 1208 dev_err(dev->dev, 1209 "submit of urb %i failed (error=%i)\n", i, rc); 1210 cx231xx_uninit_bulk(dev); 1211 return rc; 1212 } 1213 } 1214 1215 if (dev->mode_tv == 0) 1216 cx231xx_capture_start(dev, 1, Raw_Video); 1217 else 1218 cx231xx_capture_start(dev, 1, TS1_serial_mode); 1219 1220 return 0; 1221 } 1222 EXPORT_SYMBOL_GPL(cx231xx_init_bulk); 1223 void cx231xx_stop_TS1(struct cx231xx *dev) 1224 { 1225 u8 val[4] = { 0, 0, 0, 0 }; 1226 1227 val[0] = 0x00; 1228 val[1] = 0x03; 1229 val[2] = 0x00; 1230 val[3] = 0x00; 1231 cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, 1232 TS_MODE_REG, val, 4); 1233 1234 val[0] = 0x00; 1235 val[1] = 0x70; 1236 val[2] = 0x04; 1237 val[3] = 0x00; 1238 cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, 1239 TS1_CFG_REG, val, 4); 1240 } 1241 /* EXPORT_SYMBOL_GPL(cx231xx_stop_TS1); */ 1242 void cx231xx_start_TS1(struct cx231xx *dev) 1243 { 1244 u8 val[4] = { 0, 0, 0, 0 }; 1245 1246 val[0] = 0x03; 1247 val[1] = 0x03; 1248 val[2] = 0x00; 1249 val[3] = 0x00; 1250 cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, 1251 TS_MODE_REG, val, 4); 1252 1253 val[0] = 0x04; 1254 val[1] = 0xA3; 1255 val[2] = 0x3B; 1256 val[3] = 0x00; 1257 cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, 1258 TS1_CFG_REG, val, 4); 1259 } 1260 /* EXPORT_SYMBOL_GPL(cx231xx_start_TS1); */ 1261 /***************************************************************** 1262 * Device Init/UnInit functions * 1263 ******************************************************************/ 1264 int cx231xx_dev_init(struct cx231xx *dev) 1265 { 1266 int errCode = 0; 1267 1268 /* Initialize I2C bus */ 1269 1270 /* External Master 1 Bus */ 1271 dev->i2c_bus[0].nr = 0; 1272 dev->i2c_bus[0].dev = dev; 1273 dev->i2c_bus[0].i2c_period = I2C_SPEED_100K; /* 100 KHz */ 1274 dev->i2c_bus[0].i2c_nostop = 0; 1275 dev->i2c_bus[0].i2c_reserve = 0; 1276 1277 /* External Master 2 Bus */ 1278 dev->i2c_bus[1].nr = 1; 1279 dev->i2c_bus[1].dev = dev; 1280 dev->i2c_bus[1].i2c_period = I2C_SPEED_100K; /* 100 KHz */ 1281 dev->i2c_bus[1].i2c_nostop = 0; 1282 dev->i2c_bus[1].i2c_reserve = 0; 1283 1284 /* Internal Master 3 Bus */ 1285 dev->i2c_bus[2].nr = 2; 1286 dev->i2c_bus[2].dev = dev; 1287 dev->i2c_bus[2].i2c_period = I2C_SPEED_100K; /* 100kHz */ 1288 dev->i2c_bus[2].i2c_nostop = 0; 1289 dev->i2c_bus[2].i2c_reserve = 0; 1290 1291 /* register I2C buses */ 1292 cx231xx_i2c_register(&dev->i2c_bus[0]); 1293 cx231xx_i2c_register(&dev->i2c_bus[1]); 1294 cx231xx_i2c_register(&dev->i2c_bus[2]); 1295 1296 cx231xx_i2c_mux_register(dev, 0); 1297 cx231xx_i2c_mux_register(dev, 1); 1298 1299 /* scan the real bus segments in the order of physical port numbers */ 1300 cx231xx_do_i2c_scan(dev, I2C_0); 1301 cx231xx_do_i2c_scan(dev, I2C_1_MUX_1); 1302 cx231xx_do_i2c_scan(dev, I2C_2); 1303 cx231xx_do_i2c_scan(dev, I2C_1_MUX_3); 1304 1305 /* init hardware */ 1306 /* Note : with out calling set power mode function, 1307 afe can not be set up correctly */ 1308 if (dev->board.external_av) { 1309 errCode = cx231xx_set_power_mode(dev, 1310 POLARIS_AVMODE_ENXTERNAL_AV); 1311 if (errCode < 0) { 1312 dev_err(dev->dev, 1313 "%s: Failed to set Power - errCode [%d]!\n", 1314 __func__, errCode); 1315 return errCode; 1316 } 1317 } else { 1318 errCode = cx231xx_set_power_mode(dev, 1319 POLARIS_AVMODE_ANALOGT_TV); 1320 if (errCode < 0) { 1321 dev_err(dev->dev, 1322 "%s: Failed to set Power - errCode [%d]!\n", 1323 __func__, errCode); 1324 return errCode; 1325 } 1326 } 1327 1328 /* reset the Tuner, if it is a Xceive tuner */ 1329 if ((dev->board.tuner_type == TUNER_XC5000) || 1330 (dev->board.tuner_type == TUNER_XC2028)) 1331 cx231xx_gpio_set(dev, dev->board.tuner_gpio); 1332 1333 /* initialize Colibri block */ 1334 errCode = cx231xx_afe_init_super_block(dev, 0x23c); 1335 if (errCode < 0) { 1336 dev_err(dev->dev, 1337 "%s: cx231xx_afe init super block - errCode [%d]!\n", 1338 __func__, errCode); 1339 return errCode; 1340 } 1341 errCode = cx231xx_afe_init_channels(dev); 1342 if (errCode < 0) { 1343 dev_err(dev->dev, 1344 "%s: cx231xx_afe init channels - errCode [%d]!\n", 1345 __func__, errCode); 1346 return errCode; 1347 } 1348 1349 /* Set DIF in By pass mode */ 1350 errCode = cx231xx_dif_set_standard(dev, DIF_USE_BASEBAND); 1351 if (errCode < 0) { 1352 dev_err(dev->dev, 1353 "%s: cx231xx_dif set to By pass mode - errCode [%d]!\n", 1354 __func__, errCode); 1355 return errCode; 1356 } 1357 1358 /* I2S block related functions */ 1359 errCode = cx231xx_i2s_blk_initialize(dev); 1360 if (errCode < 0) { 1361 dev_err(dev->dev, 1362 "%s: cx231xx_i2s block initialize - errCode [%d]!\n", 1363 __func__, errCode); 1364 return errCode; 1365 } 1366 1367 /* init control pins */ 1368 errCode = cx231xx_init_ctrl_pin_status(dev); 1369 if (errCode < 0) { 1370 dev_err(dev->dev, 1371 "%s: cx231xx_init ctrl pins - errCode [%d]!\n", 1372 __func__, errCode); 1373 return errCode; 1374 } 1375 1376 /* set AGC mode to Analog */ 1377 switch (dev->model) { 1378 case CX231XX_BOARD_CNXT_CARRAERA: 1379 case CX231XX_BOARD_CNXT_RDE_250: 1380 case CX231XX_BOARD_CNXT_SHELBY: 1381 case CX231XX_BOARD_CNXT_RDU_250: 1382 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 1); 1383 break; 1384 case CX231XX_BOARD_CNXT_RDE_253S: 1385 case CX231XX_BOARD_CNXT_RDU_253S: 1386 case CX231XX_BOARD_HAUPPAUGE_EXETER: 1387 case CX231XX_BOARD_HAUPPAUGE_930C_HD_1113xx: 1388 case CX231XX_BOARD_PV_PLAYTV_USB_HYBRID: 1389 case CX231XX_BOARD_HAUPPAUGE_USB2_FM_PAL: 1390 case CX231XX_BOARD_HAUPPAUGE_USB2_FM_NTSC: 1391 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 0); 1392 break; 1393 default: 1394 break; 1395 } 1396 if (errCode < 0) { 1397 dev_err(dev->dev, 1398 "%s: cx231xx_AGC mode to Analog - errCode [%d]!\n", 1399 __func__, errCode); 1400 return errCode; 1401 } 1402 1403 /* set all alternate settings to zero initially */ 1404 cx231xx_set_alt_setting(dev, INDEX_VIDEO, 0); 1405 cx231xx_set_alt_setting(dev, INDEX_VANC, 0); 1406 cx231xx_set_alt_setting(dev, INDEX_HANC, 0); 1407 if (dev->board.has_dvb) 1408 cx231xx_set_alt_setting(dev, INDEX_TS1, 0); 1409 1410 errCode = 0; 1411 return errCode; 1412 } 1413 EXPORT_SYMBOL_GPL(cx231xx_dev_init); 1414 1415 void cx231xx_dev_uninit(struct cx231xx *dev) 1416 { 1417 /* Un Initialize I2C bus */ 1418 cx231xx_i2c_mux_unregister(dev, 1); 1419 cx231xx_i2c_mux_unregister(dev, 0); 1420 cx231xx_i2c_unregister(&dev->i2c_bus[2]); 1421 cx231xx_i2c_unregister(&dev->i2c_bus[1]); 1422 cx231xx_i2c_unregister(&dev->i2c_bus[0]); 1423 } 1424 EXPORT_SYMBOL_GPL(cx231xx_dev_uninit); 1425 1426 /***************************************************************** 1427 * G P I O related functions * 1428 ******************************************************************/ 1429 int cx231xx_send_gpio_cmd(struct cx231xx *dev, u32 gpio_bit, u8 *gpio_val, 1430 u8 len, u8 request, u8 direction) 1431 { 1432 int status = 0; 1433 struct VENDOR_REQUEST_IN ven_req; 1434 1435 /* Set wValue */ 1436 ven_req.wValue = (u16) (gpio_bit >> 16 & 0xffff); 1437 1438 /* set request */ 1439 if (!request) { 1440 if (direction) 1441 ven_req.bRequest = VRT_GET_GPIO; /* 0x8 gpio */ 1442 else 1443 ven_req.bRequest = VRT_SET_GPIO; /* 0x9 gpio */ 1444 } else { 1445 if (direction) 1446 ven_req.bRequest = VRT_GET_GPIE; /* 0xa gpie */ 1447 else 1448 ven_req.bRequest = VRT_SET_GPIE; /* 0xb gpie */ 1449 } 1450 1451 /* set index value */ 1452 ven_req.wIndex = (u16) (gpio_bit & 0xffff); 1453 1454 /* set wLength value */ 1455 ven_req.wLength = len; 1456 1457 /* set bData value */ 1458 ven_req.bData = 0; 1459 1460 /* set the buffer for read / write */ 1461 ven_req.pBuff = gpio_val; 1462 1463 /* set the direction */ 1464 if (direction) { 1465 ven_req.direction = USB_DIR_IN; 1466 memset(ven_req.pBuff, 0x00, ven_req.wLength); 1467 } else 1468 ven_req.direction = USB_DIR_OUT; 1469 1470 1471 /* call common vendor command request */ 1472 status = cx231xx_send_vendor_cmd(dev, &ven_req); 1473 if (status < 0) { 1474 dev_err(dev->dev, "%s: failed with status -%d\n", 1475 __func__, status); 1476 } 1477 1478 return status; 1479 } 1480 EXPORT_SYMBOL_GPL(cx231xx_send_gpio_cmd); 1481 1482 /***************************************************************** 1483 * C O N T R O L - Register R E A D / W R I T E functions * 1484 *****************************************************************/ 1485 int cx231xx_mode_register(struct cx231xx *dev, u16 address, u32 mode) 1486 { 1487 u8 value[4] = { 0x0, 0x0, 0x0, 0x0 }; 1488 u32 tmp = 0; 1489 int status = 0; 1490 1491 status = 1492 cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, address, value, 4); 1493 if (status < 0) 1494 return status; 1495 1496 tmp = le32_to_cpu(*((__le32 *) value)); 1497 tmp |= mode; 1498 1499 value[0] = (u8) tmp; 1500 value[1] = (u8) (tmp >> 8); 1501 value[2] = (u8) (tmp >> 16); 1502 value[3] = (u8) (tmp >> 24); 1503 1504 status = 1505 cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, address, value, 4); 1506 1507 return status; 1508 } 1509 1510 /***************************************************************** 1511 * I 2 C Internal C O N T R O L functions * 1512 *****************************************************************/ 1513 int cx231xx_read_i2c_master(struct cx231xx *dev, u8 dev_addr, u16 saddr, 1514 u8 saddr_len, u32 *data, u8 data_len, int master) 1515 { 1516 int status = 0; 1517 struct cx231xx_i2c_xfer_data req_data; 1518 u8 value[64] = "0"; 1519 1520 if (saddr_len == 0) 1521 saddr = 0; 1522 else if (saddr_len == 1) 1523 saddr &= 0xff; 1524 1525 /* prepare xfer_data struct */ 1526 req_data.dev_addr = dev_addr >> 1; 1527 req_data.direction = I2C_M_RD; 1528 req_data.saddr_len = saddr_len; 1529 req_data.saddr_dat = saddr; 1530 req_data.buf_size = data_len; 1531 req_data.p_buffer = (u8 *) value; 1532 1533 /* usb send command */ 1534 if (master == 0) 1535 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[0], 1536 &req_data); 1537 else if (master == 1) 1538 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[1], 1539 &req_data); 1540 else if (master == 2) 1541 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[2], 1542 &req_data); 1543 1544 if (status >= 0) { 1545 /* Copy the data read back to main buffer */ 1546 if (data_len == 1) 1547 *data = value[0]; 1548 else if (data_len == 4) 1549 *data = 1550 value[0] | value[1] << 8 | value[2] << 16 | value[3] 1551 << 24; 1552 else if (data_len > 4) 1553 *data = value[saddr]; 1554 } 1555 1556 return status; 1557 } 1558 1559 int cx231xx_write_i2c_master(struct cx231xx *dev, u8 dev_addr, u16 saddr, 1560 u8 saddr_len, u32 data, u8 data_len, int master) 1561 { 1562 int status = 0; 1563 u8 value[4] = { 0, 0, 0, 0 }; 1564 struct cx231xx_i2c_xfer_data req_data; 1565 1566 value[0] = (u8) data; 1567 value[1] = (u8) (data >> 8); 1568 value[2] = (u8) (data >> 16); 1569 value[3] = (u8) (data >> 24); 1570 1571 if (saddr_len == 0) 1572 saddr = 0; 1573 else if (saddr_len == 1) 1574 saddr &= 0xff; 1575 1576 /* prepare xfer_data struct */ 1577 req_data.dev_addr = dev_addr >> 1; 1578 req_data.direction = 0; 1579 req_data.saddr_len = saddr_len; 1580 req_data.saddr_dat = saddr; 1581 req_data.buf_size = data_len; 1582 req_data.p_buffer = value; 1583 1584 /* usb send command */ 1585 if (master == 0) 1586 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[0], 1587 &req_data); 1588 else if (master == 1) 1589 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[1], 1590 &req_data); 1591 else if (master == 2) 1592 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[2], 1593 &req_data); 1594 1595 return status; 1596 } 1597 1598 int cx231xx_read_i2c_data(struct cx231xx *dev, u8 dev_addr, u16 saddr, 1599 u8 saddr_len, u32 *data, u8 data_len) 1600 { 1601 int status = 0; 1602 struct cx231xx_i2c_xfer_data req_data; 1603 u8 value[4] = { 0, 0, 0, 0 }; 1604 1605 if (saddr_len == 0) 1606 saddr = 0; 1607 else if (saddr_len == 1) 1608 saddr &= 0xff; 1609 1610 /* prepare xfer_data struct */ 1611 req_data.dev_addr = dev_addr >> 1; 1612 req_data.direction = I2C_M_RD; 1613 req_data.saddr_len = saddr_len; 1614 req_data.saddr_dat = saddr; 1615 req_data.buf_size = data_len; 1616 req_data.p_buffer = (u8 *) value; 1617 1618 /* usb send command */ 1619 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[0], &req_data); 1620 1621 if (status >= 0) { 1622 /* Copy the data read back to main buffer */ 1623 if (data_len == 1) 1624 *data = value[0]; 1625 else 1626 *data = 1627 value[0] | value[1] << 8 | value[2] << 16 | value[3] 1628 << 24; 1629 } 1630 1631 return status; 1632 } 1633 1634 int cx231xx_write_i2c_data(struct cx231xx *dev, u8 dev_addr, u16 saddr, 1635 u8 saddr_len, u32 data, u8 data_len) 1636 { 1637 int status = 0; 1638 u8 value[4] = { 0, 0, 0, 0 }; 1639 struct cx231xx_i2c_xfer_data req_data; 1640 1641 value[0] = (u8) data; 1642 value[1] = (u8) (data >> 8); 1643 value[2] = (u8) (data >> 16); 1644 value[3] = (u8) (data >> 24); 1645 1646 if (saddr_len == 0) 1647 saddr = 0; 1648 else if (saddr_len == 1) 1649 saddr &= 0xff; 1650 1651 /* prepare xfer_data struct */ 1652 req_data.dev_addr = dev_addr >> 1; 1653 req_data.direction = 0; 1654 req_data.saddr_len = saddr_len; 1655 req_data.saddr_dat = saddr; 1656 req_data.buf_size = data_len; 1657 req_data.p_buffer = value; 1658 1659 /* usb send command */ 1660 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[0], &req_data); 1661 1662 return status; 1663 } 1664 1665 int cx231xx_reg_mask_write(struct cx231xx *dev, u8 dev_addr, u8 size, 1666 u16 register_address, u8 bit_start, u8 bit_end, 1667 u32 value) 1668 { 1669 int status = 0; 1670 u32 tmp; 1671 u32 mask = 0; 1672 int i; 1673 1674 if (bit_start > (size - 1) || bit_end > (size - 1)) 1675 return -1; 1676 1677 if (size == 8) { 1678 status = 1679 cx231xx_read_i2c_data(dev, dev_addr, register_address, 2, 1680 &tmp, 1); 1681 } else { 1682 status = 1683 cx231xx_read_i2c_data(dev, dev_addr, register_address, 2, 1684 &tmp, 4); 1685 } 1686 1687 if (status < 0) 1688 return status; 1689 1690 mask = 1 << bit_end; 1691 for (i = bit_end; i > bit_start && i > 0; i--) 1692 mask = mask + (1 << (i - 1)); 1693 1694 value <<= bit_start; 1695 1696 if (size == 8) { 1697 tmp &= ~mask; 1698 tmp |= value; 1699 tmp &= 0xff; 1700 status = 1701 cx231xx_write_i2c_data(dev, dev_addr, register_address, 2, 1702 tmp, 1); 1703 } else { 1704 tmp &= ~mask; 1705 tmp |= value; 1706 status = 1707 cx231xx_write_i2c_data(dev, dev_addr, register_address, 2, 1708 tmp, 4); 1709 } 1710 1711 return status; 1712 } 1713 1714 int cx231xx_read_modify_write_i2c_dword(struct cx231xx *dev, u8 dev_addr, 1715 u16 saddr, u32 mask, u32 value) 1716 { 1717 u32 temp; 1718 int status = 0; 1719 1720 status = cx231xx_read_i2c_data(dev, dev_addr, saddr, 2, &temp, 4); 1721 1722 if (status < 0) 1723 return status; 1724 1725 temp &= ~mask; 1726 temp |= value; 1727 1728 status = cx231xx_write_i2c_data(dev, dev_addr, saddr, 2, temp, 4); 1729 1730 return status; 1731 } 1732 1733 u32 cx231xx_set_field(u32 field_mask, u32 data) 1734 { 1735 u32 temp; 1736 1737 for (temp = field_mask; (temp & 1) == 0; temp >>= 1) 1738 data <<= 1; 1739 1740 return data; 1741 } 1742