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 status = cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, PWR_CTL_EN, 672 value, 4); 673 674 cx231xx_coredbg("reg0x%x=0x%x 0x%x 0x%x 0x%x\n", PWR_CTL_EN, 675 value[0], value[1], value[2], value[3]); 676 677 return status; 678 } 679 EXPORT_SYMBOL_GPL(cx231xx_demod_reset); 680 int is_fw_load(struct cx231xx *dev) 681 { 682 return cx231xx_check_fw(dev); 683 } 684 EXPORT_SYMBOL_GPL(is_fw_load); 685 686 int cx231xx_set_mode(struct cx231xx *dev, enum cx231xx_mode set_mode) 687 { 688 int errCode = 0; 689 690 if (dev->mode == set_mode) 691 return 0; 692 693 if (set_mode == CX231XX_SUSPEND) { 694 /* Set the chip in power saving mode */ 695 dev->mode = set_mode; 696 } 697 698 /* Resource is locked */ 699 if (dev->mode != CX231XX_SUSPEND) 700 return -EINVAL; 701 702 dev->mode = set_mode; 703 704 if (dev->mode == CX231XX_DIGITAL_MODE)/* Set Digital power mode */ { 705 /* set AGC mode to Digital */ 706 switch (dev->model) { 707 case CX231XX_BOARD_CNXT_CARRAERA: 708 case CX231XX_BOARD_CNXT_RDE_250: 709 case CX231XX_BOARD_CNXT_SHELBY: 710 case CX231XX_BOARD_CNXT_RDU_250: 711 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 0); 712 break; 713 case CX231XX_BOARD_CNXT_RDE_253S: 714 case CX231XX_BOARD_CNXT_RDU_253S: 715 case CX231XX_BOARD_PV_PLAYTV_USB_HYBRID: 716 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 1); 717 break; 718 case CX231XX_BOARD_HAUPPAUGE_EXETER: 719 case CX231XX_BOARD_HAUPPAUGE_930C_HD_1113xx: 720 errCode = cx231xx_set_power_mode(dev, 721 POLARIS_AVMODE_DIGITAL); 722 break; 723 default: 724 break; 725 } 726 } else/* Set Analog Power mode */ { 727 /* set AGC mode to Analog */ 728 switch (dev->model) { 729 case CX231XX_BOARD_CNXT_CARRAERA: 730 case CX231XX_BOARD_CNXT_RDE_250: 731 case CX231XX_BOARD_CNXT_SHELBY: 732 case CX231XX_BOARD_CNXT_RDU_250: 733 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 1); 734 break; 735 case CX231XX_BOARD_CNXT_RDE_253S: 736 case CX231XX_BOARD_CNXT_RDU_253S: 737 case CX231XX_BOARD_HAUPPAUGE_EXETER: 738 case CX231XX_BOARD_HAUPPAUGE_930C_HD_1113xx: 739 case CX231XX_BOARD_PV_PLAYTV_USB_HYBRID: 740 case CX231XX_BOARD_HAUPPAUGE_USB2_FM_PAL: 741 case CX231XX_BOARD_HAUPPAUGE_USB2_FM_NTSC: 742 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 0); 743 break; 744 default: 745 break; 746 } 747 } 748 749 if (errCode < 0) { 750 dev_err(dev->dev, "Failed to set devmode to %s: error: %i", 751 dev->mode == CX231XX_DIGITAL_MODE ? "digital" : "analog", 752 errCode); 753 return errCode; 754 } 755 756 return 0; 757 } 758 EXPORT_SYMBOL_GPL(cx231xx_set_mode); 759 760 int cx231xx_ep5_bulkout(struct cx231xx *dev, u8 *firmware, u16 size) 761 { 762 int errCode = 0; 763 int actlen = -1; 764 int ret = -ENOMEM; 765 u32 *buffer; 766 767 buffer = kzalloc(4096, GFP_KERNEL); 768 if (buffer == NULL) 769 return -ENOMEM; 770 memcpy(&buffer[0], firmware, 4096); 771 772 ret = usb_bulk_msg(dev->udev, usb_sndbulkpipe(dev->udev, 5), 773 buffer, 4096, &actlen, 2000); 774 775 if (ret) 776 dev_err(dev->dev, 777 "bulk message failed: %d (%d/%d)", ret, 778 size, actlen); 779 else { 780 errCode = actlen != size ? -1 : 0; 781 } 782 kfree(buffer); 783 return errCode; 784 } 785 786 /***************************************************************** 787 * URB Streaming functions * 788 ******************************************************************/ 789 790 /* 791 * IRQ callback, called by URB callback 792 */ 793 static void cx231xx_isoc_irq_callback(struct urb *urb) 794 { 795 struct cx231xx_dmaqueue *dma_q = urb->context; 796 struct cx231xx_video_mode *vmode = 797 container_of(dma_q, struct cx231xx_video_mode, vidq); 798 struct cx231xx *dev = container_of(vmode, struct cx231xx, video_mode); 799 int i; 800 801 switch (urb->status) { 802 case 0: /* success */ 803 case -ETIMEDOUT: /* NAK */ 804 break; 805 case -ECONNRESET: /* kill */ 806 case -ENOENT: 807 case -ESHUTDOWN: 808 return; 809 default: /* error */ 810 cx231xx_isocdbg("urb completion error %d.\n", urb->status); 811 break; 812 } 813 814 /* Copy data from URB */ 815 spin_lock(&dev->video_mode.slock); 816 dev->video_mode.isoc_ctl.isoc_copy(dev, urb); 817 spin_unlock(&dev->video_mode.slock); 818 819 /* Reset urb buffers */ 820 for (i = 0; i < urb->number_of_packets; i++) { 821 urb->iso_frame_desc[i].status = 0; 822 urb->iso_frame_desc[i].actual_length = 0; 823 } 824 825 urb->status = usb_submit_urb(urb, GFP_ATOMIC); 826 if (urb->status) { 827 cx231xx_isocdbg("urb resubmit failed (error=%i)\n", 828 urb->status); 829 } 830 } 831 /***************************************************************** 832 * URB Streaming functions * 833 ******************************************************************/ 834 835 /* 836 * IRQ callback, called by URB callback 837 */ 838 static void cx231xx_bulk_irq_callback(struct urb *urb) 839 { 840 struct cx231xx_dmaqueue *dma_q = urb->context; 841 struct cx231xx_video_mode *vmode = 842 container_of(dma_q, struct cx231xx_video_mode, vidq); 843 struct cx231xx *dev = container_of(vmode, struct cx231xx, video_mode); 844 845 switch (urb->status) { 846 case 0: /* success */ 847 case -ETIMEDOUT: /* NAK */ 848 break; 849 case -ECONNRESET: /* kill */ 850 case -ENOENT: 851 case -ESHUTDOWN: 852 return; 853 case -EPIPE: /* stall */ 854 cx231xx_isocdbg("urb completion error - device is stalled.\n"); 855 return; 856 default: /* error */ 857 cx231xx_isocdbg("urb completion error %d.\n", urb->status); 858 break; 859 } 860 861 /* Copy data from URB */ 862 spin_lock(&dev->video_mode.slock); 863 dev->video_mode.bulk_ctl.bulk_copy(dev, urb); 864 spin_unlock(&dev->video_mode.slock); 865 866 /* Reset urb buffers */ 867 urb->status = usb_submit_urb(urb, GFP_ATOMIC); 868 if (urb->status) { 869 cx231xx_isocdbg("urb resubmit failed (error=%i)\n", 870 urb->status); 871 } 872 } 873 /* 874 * Stop and Deallocate URBs 875 */ 876 void cx231xx_uninit_isoc(struct cx231xx *dev) 877 { 878 struct cx231xx_dmaqueue *dma_q = &dev->video_mode.vidq; 879 struct urb *urb; 880 int i; 881 bool broken_pipe = false; 882 883 cx231xx_isocdbg("cx231xx: called cx231xx_uninit_isoc\n"); 884 885 dev->video_mode.isoc_ctl.nfields = -1; 886 for (i = 0; i < dev->video_mode.isoc_ctl.num_bufs; i++) { 887 urb = dev->video_mode.isoc_ctl.urb[i]; 888 if (urb) { 889 if (!irqs_disabled()) 890 usb_kill_urb(urb); 891 else 892 usb_unlink_urb(urb); 893 894 if (dev->video_mode.isoc_ctl.transfer_buffer[i]) { 895 usb_free_coherent(dev->udev, 896 urb->transfer_buffer_length, 897 dev->video_mode.isoc_ctl. 898 transfer_buffer[i], 899 urb->transfer_dma); 900 } 901 if (urb->status == -EPIPE) { 902 broken_pipe = true; 903 } 904 usb_free_urb(urb); 905 dev->video_mode.isoc_ctl.urb[i] = NULL; 906 } 907 dev->video_mode.isoc_ctl.transfer_buffer[i] = NULL; 908 } 909 910 if (broken_pipe) { 911 cx231xx_isocdbg("Reset endpoint to recover broken pipe."); 912 usb_reset_endpoint(dev->udev, dev->video_mode.end_point_addr); 913 } 914 kfree(dev->video_mode.isoc_ctl.urb); 915 kfree(dev->video_mode.isoc_ctl.transfer_buffer); 916 kfree(dma_q->p_left_data); 917 918 dev->video_mode.isoc_ctl.urb = NULL; 919 dev->video_mode.isoc_ctl.transfer_buffer = NULL; 920 dev->video_mode.isoc_ctl.num_bufs = 0; 921 dma_q->p_left_data = NULL; 922 923 if (dev->mode_tv == 0) 924 cx231xx_capture_start(dev, 0, Raw_Video); 925 else 926 cx231xx_capture_start(dev, 0, TS1_serial_mode); 927 928 929 } 930 EXPORT_SYMBOL_GPL(cx231xx_uninit_isoc); 931 932 /* 933 * Stop and Deallocate URBs 934 */ 935 void cx231xx_uninit_bulk(struct cx231xx *dev) 936 { 937 struct cx231xx_dmaqueue *dma_q = &dev->video_mode.vidq; 938 struct urb *urb; 939 int i; 940 bool broken_pipe = false; 941 942 cx231xx_isocdbg("cx231xx: called cx231xx_uninit_bulk\n"); 943 944 dev->video_mode.bulk_ctl.nfields = -1; 945 for (i = 0; i < dev->video_mode.bulk_ctl.num_bufs; i++) { 946 urb = dev->video_mode.bulk_ctl.urb[i]; 947 if (urb) { 948 if (!irqs_disabled()) 949 usb_kill_urb(urb); 950 else 951 usb_unlink_urb(urb); 952 953 if (dev->video_mode.bulk_ctl.transfer_buffer[i]) { 954 usb_free_coherent(dev->udev, 955 urb->transfer_buffer_length, 956 dev->video_mode.bulk_ctl. 957 transfer_buffer[i], 958 urb->transfer_dma); 959 } 960 if (urb->status == -EPIPE) { 961 broken_pipe = true; 962 } 963 usb_free_urb(urb); 964 dev->video_mode.bulk_ctl.urb[i] = NULL; 965 } 966 dev->video_mode.bulk_ctl.transfer_buffer[i] = NULL; 967 } 968 969 if (broken_pipe) { 970 cx231xx_isocdbg("Reset endpoint to recover broken pipe."); 971 usb_reset_endpoint(dev->udev, dev->video_mode.end_point_addr); 972 } 973 kfree(dev->video_mode.bulk_ctl.urb); 974 kfree(dev->video_mode.bulk_ctl.transfer_buffer); 975 kfree(dma_q->p_left_data); 976 977 dev->video_mode.bulk_ctl.urb = NULL; 978 dev->video_mode.bulk_ctl.transfer_buffer = NULL; 979 dev->video_mode.bulk_ctl.num_bufs = 0; 980 dma_q->p_left_data = NULL; 981 982 if (dev->mode_tv == 0) 983 cx231xx_capture_start(dev, 0, Raw_Video); 984 else 985 cx231xx_capture_start(dev, 0, TS1_serial_mode); 986 987 988 } 989 EXPORT_SYMBOL_GPL(cx231xx_uninit_bulk); 990 991 /* 992 * Allocate URBs and start IRQ 993 */ 994 int cx231xx_init_isoc(struct cx231xx *dev, int max_packets, 995 int num_bufs, int max_pkt_size, 996 int (*isoc_copy) (struct cx231xx *dev, struct urb *urb)) 997 { 998 struct cx231xx_dmaqueue *dma_q = &dev->video_mode.vidq; 999 int i; 1000 int sb_size, pipe; 1001 struct urb *urb; 1002 int j, k; 1003 int rc; 1004 1005 /* De-allocates all pending stuff */ 1006 cx231xx_uninit_isoc(dev); 1007 1008 dma_q->p_left_data = kzalloc(4096, GFP_KERNEL); 1009 if (dma_q->p_left_data == NULL) 1010 return -ENOMEM; 1011 1012 dev->video_mode.isoc_ctl.isoc_copy = isoc_copy; 1013 dev->video_mode.isoc_ctl.num_bufs = num_bufs; 1014 dma_q->pos = 0; 1015 dma_q->is_partial_line = 0; 1016 dma_q->last_sav = 0; 1017 dma_q->current_field = -1; 1018 dma_q->field1_done = 0; 1019 dma_q->lines_per_field = dev->height / 2; 1020 dma_q->bytes_left_in_line = dev->width << 1; 1021 dma_q->lines_completed = 0; 1022 dma_q->mpeg_buffer_done = 0; 1023 dma_q->left_data_count = 0; 1024 dma_q->mpeg_buffer_completed = 0; 1025 dma_q->add_ps_package_head = CX231XX_NEED_ADD_PS_PACKAGE_HEAD; 1026 dma_q->ps_head[0] = 0x00; 1027 dma_q->ps_head[1] = 0x00; 1028 dma_q->ps_head[2] = 0x01; 1029 dma_q->ps_head[3] = 0xBA; 1030 for (i = 0; i < 8; i++) 1031 dma_q->partial_buf[i] = 0; 1032 1033 dev->video_mode.isoc_ctl.urb = 1034 kzalloc(sizeof(void *) * num_bufs, GFP_KERNEL); 1035 if (!dev->video_mode.isoc_ctl.urb) { 1036 dev_err(dev->dev, 1037 "cannot alloc memory for usb buffers\n"); 1038 return -ENOMEM; 1039 } 1040 1041 dev->video_mode.isoc_ctl.transfer_buffer = 1042 kzalloc(sizeof(void *) * num_bufs, GFP_KERNEL); 1043 if (!dev->video_mode.isoc_ctl.transfer_buffer) { 1044 dev_err(dev->dev, 1045 "cannot allocate memory for usbtransfer\n"); 1046 kfree(dev->video_mode.isoc_ctl.urb); 1047 return -ENOMEM; 1048 } 1049 1050 dev->video_mode.isoc_ctl.max_pkt_size = max_pkt_size; 1051 dev->video_mode.isoc_ctl.buf = NULL; 1052 1053 sb_size = max_packets * dev->video_mode.isoc_ctl.max_pkt_size; 1054 1055 if (dev->mode_tv == 1) 1056 dev->video_mode.end_point_addr = 0x81; 1057 else 1058 dev->video_mode.end_point_addr = 0x84; 1059 1060 1061 /* allocate urbs and transfer buffers */ 1062 for (i = 0; i < dev->video_mode.isoc_ctl.num_bufs; i++) { 1063 urb = usb_alloc_urb(max_packets, GFP_KERNEL); 1064 if (!urb) { 1065 cx231xx_uninit_isoc(dev); 1066 return -ENOMEM; 1067 } 1068 dev->video_mode.isoc_ctl.urb[i] = urb; 1069 1070 dev->video_mode.isoc_ctl.transfer_buffer[i] = 1071 usb_alloc_coherent(dev->udev, sb_size, GFP_KERNEL, 1072 &urb->transfer_dma); 1073 if (!dev->video_mode.isoc_ctl.transfer_buffer[i]) { 1074 dev_err(dev->dev, 1075 "unable to allocate %i bytes for transfer buffer %i%s\n", 1076 sb_size, i, 1077 in_interrupt() ? " while in int" : ""); 1078 cx231xx_uninit_isoc(dev); 1079 return -ENOMEM; 1080 } 1081 memset(dev->video_mode.isoc_ctl.transfer_buffer[i], 0, sb_size); 1082 1083 pipe = 1084 usb_rcvisocpipe(dev->udev, dev->video_mode.end_point_addr); 1085 1086 usb_fill_int_urb(urb, dev->udev, pipe, 1087 dev->video_mode.isoc_ctl.transfer_buffer[i], 1088 sb_size, cx231xx_isoc_irq_callback, dma_q, 1); 1089 1090 urb->number_of_packets = max_packets; 1091 urb->transfer_flags = URB_ISO_ASAP | URB_NO_TRANSFER_DMA_MAP; 1092 1093 k = 0; 1094 for (j = 0; j < max_packets; j++) { 1095 urb->iso_frame_desc[j].offset = k; 1096 urb->iso_frame_desc[j].length = 1097 dev->video_mode.isoc_ctl.max_pkt_size; 1098 k += dev->video_mode.isoc_ctl.max_pkt_size; 1099 } 1100 } 1101 1102 init_waitqueue_head(&dma_q->wq); 1103 1104 /* submit urbs and enables IRQ */ 1105 for (i = 0; i < dev->video_mode.isoc_ctl.num_bufs; i++) { 1106 rc = usb_submit_urb(dev->video_mode.isoc_ctl.urb[i], 1107 GFP_ATOMIC); 1108 if (rc) { 1109 dev_err(dev->dev, 1110 "submit of urb %i failed (error=%i)\n", i, 1111 rc); 1112 cx231xx_uninit_isoc(dev); 1113 return rc; 1114 } 1115 } 1116 1117 if (dev->mode_tv == 0) 1118 cx231xx_capture_start(dev, 1, Raw_Video); 1119 else 1120 cx231xx_capture_start(dev, 1, TS1_serial_mode); 1121 1122 return 0; 1123 } 1124 EXPORT_SYMBOL_GPL(cx231xx_init_isoc); 1125 1126 /* 1127 * Allocate URBs and start IRQ 1128 */ 1129 int cx231xx_init_bulk(struct cx231xx *dev, int max_packets, 1130 int num_bufs, int max_pkt_size, 1131 int (*bulk_copy) (struct cx231xx *dev, struct urb *urb)) 1132 { 1133 struct cx231xx_dmaqueue *dma_q = &dev->video_mode.vidq; 1134 int i; 1135 int sb_size, pipe; 1136 struct urb *urb; 1137 int rc; 1138 1139 dev->video_input = dev->video_input > 2 ? 2 : dev->video_input; 1140 1141 cx231xx_coredbg("Setting Video mux to %d\n", dev->video_input); 1142 1143 video_mux(dev, dev->video_input); 1144 1145 /* De-allocates all pending stuff */ 1146 cx231xx_uninit_bulk(dev); 1147 1148 dev->video_mode.bulk_ctl.bulk_copy = bulk_copy; 1149 dev->video_mode.bulk_ctl.num_bufs = num_bufs; 1150 dma_q->pos = 0; 1151 dma_q->is_partial_line = 0; 1152 dma_q->last_sav = 0; 1153 dma_q->current_field = -1; 1154 dma_q->field1_done = 0; 1155 dma_q->lines_per_field = dev->height / 2; 1156 dma_q->bytes_left_in_line = dev->width << 1; 1157 dma_q->lines_completed = 0; 1158 dma_q->mpeg_buffer_done = 0; 1159 dma_q->left_data_count = 0; 1160 dma_q->mpeg_buffer_completed = 0; 1161 dma_q->ps_head[0] = 0x00; 1162 dma_q->ps_head[1] = 0x00; 1163 dma_q->ps_head[2] = 0x01; 1164 dma_q->ps_head[3] = 0xBA; 1165 for (i = 0; i < 8; i++) 1166 dma_q->partial_buf[i] = 0; 1167 1168 dev->video_mode.bulk_ctl.urb = 1169 kzalloc(sizeof(void *) * num_bufs, GFP_KERNEL); 1170 if (!dev->video_mode.bulk_ctl.urb) { 1171 dev_err(dev->dev, 1172 "cannot alloc memory for usb buffers\n"); 1173 return -ENOMEM; 1174 } 1175 1176 dev->video_mode.bulk_ctl.transfer_buffer = 1177 kzalloc(sizeof(void *) * num_bufs, GFP_KERNEL); 1178 if (!dev->video_mode.bulk_ctl.transfer_buffer) { 1179 dev_err(dev->dev, 1180 "cannot allocate memory for usbtransfer\n"); 1181 kfree(dev->video_mode.bulk_ctl.urb); 1182 return -ENOMEM; 1183 } 1184 1185 dev->video_mode.bulk_ctl.max_pkt_size = max_pkt_size; 1186 dev->video_mode.bulk_ctl.buf = NULL; 1187 1188 sb_size = max_packets * dev->video_mode.bulk_ctl.max_pkt_size; 1189 1190 if (dev->mode_tv == 1) 1191 dev->video_mode.end_point_addr = 0x81; 1192 else 1193 dev->video_mode.end_point_addr = 0x84; 1194 1195 1196 /* allocate urbs and transfer buffers */ 1197 for (i = 0; i < dev->video_mode.bulk_ctl.num_bufs; i++) { 1198 urb = usb_alloc_urb(0, GFP_KERNEL); 1199 if (!urb) { 1200 cx231xx_uninit_bulk(dev); 1201 return -ENOMEM; 1202 } 1203 dev->video_mode.bulk_ctl.urb[i] = urb; 1204 urb->transfer_flags = URB_NO_TRANSFER_DMA_MAP; 1205 1206 dev->video_mode.bulk_ctl.transfer_buffer[i] = 1207 usb_alloc_coherent(dev->udev, sb_size, GFP_KERNEL, 1208 &urb->transfer_dma); 1209 if (!dev->video_mode.bulk_ctl.transfer_buffer[i]) { 1210 dev_err(dev->dev, 1211 "unable to allocate %i bytes for transfer buffer %i%s\n", 1212 sb_size, i, 1213 in_interrupt() ? " while in int" : ""); 1214 cx231xx_uninit_bulk(dev); 1215 return -ENOMEM; 1216 } 1217 memset(dev->video_mode.bulk_ctl.transfer_buffer[i], 0, sb_size); 1218 1219 pipe = usb_rcvbulkpipe(dev->udev, 1220 dev->video_mode.end_point_addr); 1221 usb_fill_bulk_urb(urb, dev->udev, pipe, 1222 dev->video_mode.bulk_ctl.transfer_buffer[i], 1223 sb_size, cx231xx_bulk_irq_callback, dma_q); 1224 } 1225 1226 /* clear halt */ 1227 rc = usb_clear_halt(dev->udev, dev->video_mode.bulk_ctl.urb[0]->pipe); 1228 if (rc < 0) { 1229 dev_err(dev->dev, 1230 "failed to clear USB bulk endpoint stall/halt condition (error=%i)\n", 1231 rc); 1232 cx231xx_uninit_bulk(dev); 1233 return rc; 1234 } 1235 1236 init_waitqueue_head(&dma_q->wq); 1237 1238 /* submit urbs and enables IRQ */ 1239 for (i = 0; i < dev->video_mode.bulk_ctl.num_bufs; i++) { 1240 rc = usb_submit_urb(dev->video_mode.bulk_ctl.urb[i], 1241 GFP_ATOMIC); 1242 if (rc) { 1243 dev_err(dev->dev, 1244 "submit of urb %i failed (error=%i)\n", i, rc); 1245 cx231xx_uninit_bulk(dev); 1246 return rc; 1247 } 1248 } 1249 1250 if (dev->mode_tv == 0) 1251 cx231xx_capture_start(dev, 1, Raw_Video); 1252 else 1253 cx231xx_capture_start(dev, 1, TS1_serial_mode); 1254 1255 return 0; 1256 } 1257 EXPORT_SYMBOL_GPL(cx231xx_init_bulk); 1258 void cx231xx_stop_TS1(struct cx231xx *dev) 1259 { 1260 u8 val[4] = { 0, 0, 0, 0 }; 1261 1262 val[0] = 0x00; 1263 val[1] = 0x03; 1264 val[2] = 0x00; 1265 val[3] = 0x00; 1266 cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, 1267 TS_MODE_REG, val, 4); 1268 1269 val[0] = 0x00; 1270 val[1] = 0x70; 1271 val[2] = 0x04; 1272 val[3] = 0x00; 1273 cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, 1274 TS1_CFG_REG, val, 4); 1275 } 1276 /* EXPORT_SYMBOL_GPL(cx231xx_stop_TS1); */ 1277 void cx231xx_start_TS1(struct cx231xx *dev) 1278 { 1279 u8 val[4] = { 0, 0, 0, 0 }; 1280 1281 val[0] = 0x03; 1282 val[1] = 0x03; 1283 val[2] = 0x00; 1284 val[3] = 0x00; 1285 cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, 1286 TS_MODE_REG, val, 4); 1287 1288 val[0] = 0x04; 1289 val[1] = 0xA3; 1290 val[2] = 0x3B; 1291 val[3] = 0x00; 1292 cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, 1293 TS1_CFG_REG, val, 4); 1294 } 1295 /* EXPORT_SYMBOL_GPL(cx231xx_start_TS1); */ 1296 /***************************************************************** 1297 * Device Init/UnInit functions * 1298 ******************************************************************/ 1299 int cx231xx_dev_init(struct cx231xx *dev) 1300 { 1301 int errCode = 0; 1302 1303 /* Initialize I2C bus */ 1304 1305 /* External Master 1 Bus */ 1306 dev->i2c_bus[0].nr = 0; 1307 dev->i2c_bus[0].dev = dev; 1308 dev->i2c_bus[0].i2c_period = I2C_SPEED_100K; /* 100 KHz */ 1309 dev->i2c_bus[0].i2c_nostop = 0; 1310 dev->i2c_bus[0].i2c_reserve = 0; 1311 1312 /* External Master 2 Bus */ 1313 dev->i2c_bus[1].nr = 1; 1314 dev->i2c_bus[1].dev = dev; 1315 dev->i2c_bus[1].i2c_period = I2C_SPEED_100K; /* 100 KHz */ 1316 dev->i2c_bus[1].i2c_nostop = 0; 1317 dev->i2c_bus[1].i2c_reserve = 0; 1318 1319 /* Internal Master 3 Bus */ 1320 dev->i2c_bus[2].nr = 2; 1321 dev->i2c_bus[2].dev = dev; 1322 dev->i2c_bus[2].i2c_period = I2C_SPEED_100K; /* 100kHz */ 1323 dev->i2c_bus[2].i2c_nostop = 0; 1324 dev->i2c_bus[2].i2c_reserve = 0; 1325 1326 /* register I2C buses */ 1327 errCode = cx231xx_i2c_register(&dev->i2c_bus[0]); 1328 if (errCode < 0) 1329 return errCode; 1330 errCode = cx231xx_i2c_register(&dev->i2c_bus[1]); 1331 if (errCode < 0) 1332 return errCode; 1333 errCode = cx231xx_i2c_register(&dev->i2c_bus[2]); 1334 if (errCode < 0) 1335 return errCode; 1336 1337 errCode = cx231xx_i2c_mux_create(dev); 1338 if (errCode < 0) { 1339 dev_err(dev->dev, 1340 "%s: Failed to create I2C mux\n", __func__); 1341 return errCode; 1342 } 1343 errCode = cx231xx_i2c_mux_register(dev, 0); 1344 if (errCode < 0) 1345 return errCode; 1346 1347 errCode = cx231xx_i2c_mux_register(dev, 1); 1348 if (errCode < 0) 1349 return errCode; 1350 1351 /* scan the real bus segments in the order of physical port numbers */ 1352 cx231xx_do_i2c_scan(dev, I2C_0); 1353 cx231xx_do_i2c_scan(dev, I2C_1_MUX_1); 1354 cx231xx_do_i2c_scan(dev, I2C_2); 1355 cx231xx_do_i2c_scan(dev, I2C_1_MUX_3); 1356 1357 /* init hardware */ 1358 /* Note : with out calling set power mode function, 1359 afe can not be set up correctly */ 1360 if (dev->board.external_av) { 1361 errCode = cx231xx_set_power_mode(dev, 1362 POLARIS_AVMODE_ENXTERNAL_AV); 1363 if (errCode < 0) { 1364 dev_err(dev->dev, 1365 "%s: Failed to set Power - errCode [%d]!\n", 1366 __func__, errCode); 1367 return errCode; 1368 } 1369 } else { 1370 errCode = cx231xx_set_power_mode(dev, 1371 POLARIS_AVMODE_ANALOGT_TV); 1372 if (errCode < 0) { 1373 dev_err(dev->dev, 1374 "%s: Failed to set Power - errCode [%d]!\n", 1375 __func__, errCode); 1376 return errCode; 1377 } 1378 } 1379 1380 /* reset the Tuner, if it is a Xceive tuner */ 1381 if ((dev->board.tuner_type == TUNER_XC5000) || 1382 (dev->board.tuner_type == TUNER_XC2028)) 1383 cx231xx_gpio_set(dev, dev->board.tuner_gpio); 1384 1385 /* initialize Colibri block */ 1386 errCode = cx231xx_afe_init_super_block(dev, 0x23c); 1387 if (errCode < 0) { 1388 dev_err(dev->dev, 1389 "%s: cx231xx_afe init super block - errCode [%d]!\n", 1390 __func__, errCode); 1391 return errCode; 1392 } 1393 errCode = cx231xx_afe_init_channels(dev); 1394 if (errCode < 0) { 1395 dev_err(dev->dev, 1396 "%s: cx231xx_afe init channels - errCode [%d]!\n", 1397 __func__, errCode); 1398 return errCode; 1399 } 1400 1401 /* Set DIF in By pass mode */ 1402 errCode = cx231xx_dif_set_standard(dev, DIF_USE_BASEBAND); 1403 if (errCode < 0) { 1404 dev_err(dev->dev, 1405 "%s: cx231xx_dif set to By pass mode - errCode [%d]!\n", 1406 __func__, errCode); 1407 return errCode; 1408 } 1409 1410 /* I2S block related functions */ 1411 errCode = cx231xx_i2s_blk_initialize(dev); 1412 if (errCode < 0) { 1413 dev_err(dev->dev, 1414 "%s: cx231xx_i2s block initialize - errCode [%d]!\n", 1415 __func__, errCode); 1416 return errCode; 1417 } 1418 1419 /* init control pins */ 1420 errCode = cx231xx_init_ctrl_pin_status(dev); 1421 if (errCode < 0) { 1422 dev_err(dev->dev, 1423 "%s: cx231xx_init ctrl pins - errCode [%d]!\n", 1424 __func__, errCode); 1425 return errCode; 1426 } 1427 1428 /* set AGC mode to Analog */ 1429 switch (dev->model) { 1430 case CX231XX_BOARD_CNXT_CARRAERA: 1431 case CX231XX_BOARD_CNXT_RDE_250: 1432 case CX231XX_BOARD_CNXT_SHELBY: 1433 case CX231XX_BOARD_CNXT_RDU_250: 1434 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 1); 1435 break; 1436 case CX231XX_BOARD_CNXT_RDE_253S: 1437 case CX231XX_BOARD_CNXT_RDU_253S: 1438 case CX231XX_BOARD_HAUPPAUGE_EXETER: 1439 case CX231XX_BOARD_HAUPPAUGE_930C_HD_1113xx: 1440 case CX231XX_BOARD_PV_PLAYTV_USB_HYBRID: 1441 case CX231XX_BOARD_HAUPPAUGE_USB2_FM_PAL: 1442 case CX231XX_BOARD_HAUPPAUGE_USB2_FM_NTSC: 1443 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 0); 1444 break; 1445 default: 1446 break; 1447 } 1448 if (errCode < 0) { 1449 dev_err(dev->dev, 1450 "%s: cx231xx_AGC mode to Analog - errCode [%d]!\n", 1451 __func__, errCode); 1452 return errCode; 1453 } 1454 1455 /* set all alternate settings to zero initially */ 1456 cx231xx_set_alt_setting(dev, INDEX_VIDEO, 0); 1457 cx231xx_set_alt_setting(dev, INDEX_VANC, 0); 1458 cx231xx_set_alt_setting(dev, INDEX_HANC, 0); 1459 if (dev->board.has_dvb) 1460 cx231xx_set_alt_setting(dev, INDEX_TS1, 0); 1461 1462 errCode = 0; 1463 return errCode; 1464 } 1465 EXPORT_SYMBOL_GPL(cx231xx_dev_init); 1466 1467 void cx231xx_dev_uninit(struct cx231xx *dev) 1468 { 1469 /* Un Initialize I2C bus */ 1470 cx231xx_i2c_mux_unregister(dev); 1471 cx231xx_i2c_unregister(&dev->i2c_bus[2]); 1472 cx231xx_i2c_unregister(&dev->i2c_bus[1]); 1473 cx231xx_i2c_unregister(&dev->i2c_bus[0]); 1474 } 1475 EXPORT_SYMBOL_GPL(cx231xx_dev_uninit); 1476 1477 /***************************************************************** 1478 * G P I O related functions * 1479 ******************************************************************/ 1480 int cx231xx_send_gpio_cmd(struct cx231xx *dev, u32 gpio_bit, u8 *gpio_val, 1481 u8 len, u8 request, u8 direction) 1482 { 1483 int status = 0; 1484 struct VENDOR_REQUEST_IN ven_req; 1485 1486 /* Set wValue */ 1487 ven_req.wValue = (u16) (gpio_bit >> 16 & 0xffff); 1488 1489 /* set request */ 1490 if (!request) { 1491 if (direction) 1492 ven_req.bRequest = VRT_GET_GPIO; /* 0x9 gpio */ 1493 else 1494 ven_req.bRequest = VRT_SET_GPIO; /* 0x8 gpio */ 1495 } else { 1496 if (direction) 1497 ven_req.bRequest = VRT_GET_GPIE; /* 0xb gpie */ 1498 else 1499 ven_req.bRequest = VRT_SET_GPIE; /* 0xa gpie */ 1500 } 1501 1502 /* set index value */ 1503 ven_req.wIndex = (u16) (gpio_bit & 0xffff); 1504 1505 /* set wLength value */ 1506 ven_req.wLength = len; 1507 1508 /* set bData value */ 1509 ven_req.bData = 0; 1510 1511 /* set the buffer for read / write */ 1512 ven_req.pBuff = gpio_val; 1513 1514 /* set the direction */ 1515 if (direction) { 1516 ven_req.direction = USB_DIR_IN; 1517 memset(ven_req.pBuff, 0x00, ven_req.wLength); 1518 } else 1519 ven_req.direction = USB_DIR_OUT; 1520 1521 1522 /* call common vendor command request */ 1523 status = cx231xx_send_vendor_cmd(dev, &ven_req); 1524 if (status < 0) { 1525 dev_err(dev->dev, "%s: failed with status -%d\n", 1526 __func__, status); 1527 } 1528 1529 return status; 1530 } 1531 EXPORT_SYMBOL_GPL(cx231xx_send_gpio_cmd); 1532 1533 /***************************************************************** 1534 * C O N T R O L - Register R E A D / W R I T E functions * 1535 *****************************************************************/ 1536 int cx231xx_mode_register(struct cx231xx *dev, u16 address, u32 mode) 1537 { 1538 u8 value[4] = { 0x0, 0x0, 0x0, 0x0 }; 1539 u32 tmp = 0; 1540 int status = 0; 1541 1542 status = 1543 cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, address, value, 4); 1544 if (status < 0) 1545 return status; 1546 1547 tmp = le32_to_cpu(*((__le32 *) value)); 1548 tmp |= mode; 1549 1550 value[0] = (u8) tmp; 1551 value[1] = (u8) (tmp >> 8); 1552 value[2] = (u8) (tmp >> 16); 1553 value[3] = (u8) (tmp >> 24); 1554 1555 status = 1556 cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, address, value, 4); 1557 1558 return status; 1559 } 1560 1561 /***************************************************************** 1562 * I 2 C Internal C O N T R O L functions * 1563 *****************************************************************/ 1564 int cx231xx_read_i2c_master(struct cx231xx *dev, u8 dev_addr, u16 saddr, 1565 u8 saddr_len, u32 *data, u8 data_len, int master) 1566 { 1567 int status = 0; 1568 struct cx231xx_i2c_xfer_data req_data; 1569 u8 value[64] = "0"; 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 = I2C_M_RD; 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 = (u8 *) 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 if (status >= 0) { 1596 /* Copy the data read back to main buffer */ 1597 if (data_len == 1) 1598 *data = value[0]; 1599 else if (data_len == 4) 1600 *data = 1601 value[0] | value[1] << 8 | value[2] << 16 | value[3] 1602 << 24; 1603 else if (data_len > 4) 1604 *data = value[saddr]; 1605 } 1606 1607 return status; 1608 } 1609 1610 int cx231xx_write_i2c_master(struct cx231xx *dev, u8 dev_addr, u16 saddr, 1611 u8 saddr_len, u32 data, u8 data_len, int master) 1612 { 1613 int status = 0; 1614 u8 value[4] = { 0, 0, 0, 0 }; 1615 struct cx231xx_i2c_xfer_data req_data; 1616 1617 value[0] = (u8) data; 1618 value[1] = (u8) (data >> 8); 1619 value[2] = (u8) (data >> 16); 1620 value[3] = (u8) (data >> 24); 1621 1622 if (saddr_len == 0) 1623 saddr = 0; 1624 else if (saddr_len == 1) 1625 saddr &= 0xff; 1626 1627 /* prepare xfer_data struct */ 1628 req_data.dev_addr = dev_addr >> 1; 1629 req_data.direction = 0; 1630 req_data.saddr_len = saddr_len; 1631 req_data.saddr_dat = saddr; 1632 req_data.buf_size = data_len; 1633 req_data.p_buffer = value; 1634 1635 /* usb send command */ 1636 if (master == 0) 1637 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[0], 1638 &req_data); 1639 else if (master == 1) 1640 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[1], 1641 &req_data); 1642 else if (master == 2) 1643 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[2], 1644 &req_data); 1645 1646 return status; 1647 } 1648 1649 int cx231xx_read_i2c_data(struct cx231xx *dev, u8 dev_addr, u16 saddr, 1650 u8 saddr_len, u32 *data, u8 data_len) 1651 { 1652 int status = 0; 1653 struct cx231xx_i2c_xfer_data req_data; 1654 u8 value[4] = { 0, 0, 0, 0 }; 1655 1656 if (saddr_len == 0) 1657 saddr = 0; 1658 else if (saddr_len == 1) 1659 saddr &= 0xff; 1660 1661 /* prepare xfer_data struct */ 1662 req_data.dev_addr = dev_addr >> 1; 1663 req_data.direction = I2C_M_RD; 1664 req_data.saddr_len = saddr_len; 1665 req_data.saddr_dat = saddr; 1666 req_data.buf_size = data_len; 1667 req_data.p_buffer = (u8 *) value; 1668 1669 /* usb send command */ 1670 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[0], &req_data); 1671 1672 if (status >= 0) { 1673 /* Copy the data read back to main buffer */ 1674 if (data_len == 1) 1675 *data = value[0]; 1676 else 1677 *data = 1678 value[0] | value[1] << 8 | value[2] << 16 | value[3] 1679 << 24; 1680 } 1681 1682 return status; 1683 } 1684 1685 int cx231xx_write_i2c_data(struct cx231xx *dev, u8 dev_addr, u16 saddr, 1686 u8 saddr_len, u32 data, u8 data_len) 1687 { 1688 int status = 0; 1689 u8 value[4] = { 0, 0, 0, 0 }; 1690 struct cx231xx_i2c_xfer_data req_data; 1691 1692 value[0] = (u8) data; 1693 value[1] = (u8) (data >> 8); 1694 value[2] = (u8) (data >> 16); 1695 value[3] = (u8) (data >> 24); 1696 1697 if (saddr_len == 0) 1698 saddr = 0; 1699 else if (saddr_len == 1) 1700 saddr &= 0xff; 1701 1702 /* prepare xfer_data struct */ 1703 req_data.dev_addr = dev_addr >> 1; 1704 req_data.direction = 0; 1705 req_data.saddr_len = saddr_len; 1706 req_data.saddr_dat = saddr; 1707 req_data.buf_size = data_len; 1708 req_data.p_buffer = value; 1709 1710 /* usb send command */ 1711 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[0], &req_data); 1712 1713 return status; 1714 } 1715 1716 int cx231xx_reg_mask_write(struct cx231xx *dev, u8 dev_addr, u8 size, 1717 u16 register_address, u8 bit_start, u8 bit_end, 1718 u32 value) 1719 { 1720 int status = 0; 1721 u32 tmp; 1722 u32 mask = 0; 1723 int i; 1724 1725 if (bit_start > (size - 1) || bit_end > (size - 1)) 1726 return -1; 1727 1728 if (size == 8) { 1729 status = 1730 cx231xx_read_i2c_data(dev, dev_addr, register_address, 2, 1731 &tmp, 1); 1732 } else { 1733 status = 1734 cx231xx_read_i2c_data(dev, dev_addr, register_address, 2, 1735 &tmp, 4); 1736 } 1737 1738 if (status < 0) 1739 return status; 1740 1741 mask = 1 << bit_end; 1742 for (i = bit_end; i > bit_start && i > 0; i--) 1743 mask = mask + (1 << (i - 1)); 1744 1745 value <<= bit_start; 1746 1747 if (size == 8) { 1748 tmp &= ~mask; 1749 tmp |= value; 1750 tmp &= 0xff; 1751 status = 1752 cx231xx_write_i2c_data(dev, dev_addr, register_address, 2, 1753 tmp, 1); 1754 } else { 1755 tmp &= ~mask; 1756 tmp |= value; 1757 status = 1758 cx231xx_write_i2c_data(dev, dev_addr, register_address, 2, 1759 tmp, 4); 1760 } 1761 1762 return status; 1763 } 1764 1765 int cx231xx_read_modify_write_i2c_dword(struct cx231xx *dev, u8 dev_addr, 1766 u16 saddr, u32 mask, u32 value) 1767 { 1768 u32 temp; 1769 int status = 0; 1770 1771 status = cx231xx_read_i2c_data(dev, dev_addr, saddr, 2, &temp, 4); 1772 1773 if (status < 0) 1774 return status; 1775 1776 temp &= ~mask; 1777 temp |= value; 1778 1779 status = cx231xx_write_i2c_data(dev, dev_addr, saddr, 2, temp, 4); 1780 1781 return status; 1782 } 1783 1784 u32 cx231xx_set_field(u32 field_mask, u32 data) 1785 { 1786 u32 temp; 1787 1788 for (temp = field_mask; (temp & 1) == 0; temp >>= 1) 1789 data <<= 1; 1790 1791 return data; 1792 } 1793