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): %s: %02x %02x %02x %02x %02x %02x %02x %02x ", 245 dev->name, 246 pipe, 247 (requesttype & USB_DIR_IN) ? "IN" : "OUT", 248 requesttype, 249 request, 250 value & 0xff, value >> 8, 251 index & 0xff, index >> 8, 252 size & 0xff, size >> 8); 253 if (!(requesttype & USB_DIR_IN)) { 254 printk(KERN_CONT ">>>"); 255 for (i = 0; i < size; i++) 256 printk(KERN_CONT " %02x", 257 ((unsigned char *)data)[i]); 258 } 259 } 260 261 /* Do the real call to usb_control_msg */ 262 mutex_lock(&dev->ctrl_urb_lock); 263 if (!(requesttype & USB_DIR_IN) && size) 264 memcpy(dev->urb_buf, data, size); 265 rc = usb_control_msg(dev->udev, pipe, request, requesttype, value, 266 index, dev->urb_buf, size, timeout); 267 if ((requesttype & USB_DIR_IN) && size) 268 memcpy(data, dev->urb_buf, size); 269 mutex_unlock(&dev->ctrl_urb_lock); 270 271 if (reg_debug) { 272 if (unlikely(rc < 0)) { 273 printk(KERN_CONT "FAILED!\n"); 274 return rc; 275 } 276 277 if ((requesttype & USB_DIR_IN)) { 278 printk(KERN_CONT "<<<"); 279 for (i = 0; i < size; i++) 280 printk(KERN_CONT " %02x", 281 ((unsigned char *)data)[i]); 282 } 283 printk(KERN_CONT "\n"); 284 } 285 286 return rc; 287 } 288 289 290 /* 291 * cx231xx_read_ctrl_reg() 292 * reads data from the usb device specifying bRequest and wValue 293 */ 294 int cx231xx_read_ctrl_reg(struct cx231xx *dev, u8 req, u16 reg, 295 char *buf, int len) 296 { 297 u8 val = 0; 298 int ret; 299 int pipe = usb_rcvctrlpipe(dev->udev, 0); 300 301 if (dev->state & DEV_DISCONNECTED) 302 return -ENODEV; 303 304 if (len > URB_MAX_CTRL_SIZE) 305 return -EINVAL; 306 307 switch (len) { 308 case 1: 309 val = ENABLE_ONE_BYTE; 310 break; 311 case 2: 312 val = ENABLE_TWE_BYTE; 313 break; 314 case 3: 315 val = ENABLE_THREE_BYTE; 316 break; 317 case 4: 318 val = ENABLE_FOUR_BYTE; 319 break; 320 default: 321 val = 0xFF; /* invalid option */ 322 } 323 324 if (val == 0xFF) 325 return -EINVAL; 326 327 ret = __usb_control_msg(dev, pipe, req, 328 USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, 329 val, reg, buf, len, HZ); 330 return ret; 331 } 332 333 int cx231xx_send_vendor_cmd(struct cx231xx *dev, 334 struct VENDOR_REQUEST_IN *ven_req) 335 { 336 int ret; 337 int pipe = 0; 338 int unsend_size = 0; 339 u8 *pdata; 340 341 if (dev->state & DEV_DISCONNECTED) 342 return -ENODEV; 343 344 if ((ven_req->wLength > URB_MAX_CTRL_SIZE)) 345 return -EINVAL; 346 347 if (ven_req->direction) 348 pipe = usb_rcvctrlpipe(dev->udev, 0); 349 else 350 pipe = usb_sndctrlpipe(dev->udev, 0); 351 352 /* 353 * If the cx23102 read more than 4 bytes with i2c bus, 354 * need chop to 4 byte per request 355 */ 356 if ((ven_req->wLength > 4) && ((ven_req->bRequest == 0x4) || 357 (ven_req->bRequest == 0x5) || 358 (ven_req->bRequest == 0x6))) { 359 unsend_size = 0; 360 pdata = ven_req->pBuff; 361 362 363 unsend_size = ven_req->wLength; 364 365 /* the first package */ 366 ven_req->wValue = ven_req->wValue & 0xFFFB; 367 ven_req->wValue = (ven_req->wValue & 0xFFBD) | 0x2; 368 ret = __usb_control_msg(dev, pipe, ven_req->bRequest, 369 ven_req->direction | USB_TYPE_VENDOR | USB_RECIP_DEVICE, 370 ven_req->wValue, ven_req->wIndex, pdata, 371 0x0004, HZ); 372 unsend_size = unsend_size - 4; 373 374 /* the middle package */ 375 ven_req->wValue = (ven_req->wValue & 0xFFBD) | 0x42; 376 while (unsend_size - 4 > 0) { 377 pdata = pdata + 4; 378 ret = __usb_control_msg(dev, pipe, 379 ven_req->bRequest, 380 ven_req->direction | USB_TYPE_VENDOR | USB_RECIP_DEVICE, 381 ven_req->wValue, ven_req->wIndex, pdata, 382 0x0004, HZ); 383 unsend_size = unsend_size - 4; 384 } 385 386 /* the last package */ 387 ven_req->wValue = (ven_req->wValue & 0xFFBD) | 0x40; 388 pdata = pdata + 4; 389 ret = __usb_control_msg(dev, pipe, ven_req->bRequest, 390 ven_req->direction | USB_TYPE_VENDOR | USB_RECIP_DEVICE, 391 ven_req->wValue, ven_req->wIndex, pdata, 392 unsend_size, HZ); 393 } else { 394 ret = __usb_control_msg(dev, pipe, ven_req->bRequest, 395 ven_req->direction | USB_TYPE_VENDOR | USB_RECIP_DEVICE, 396 ven_req->wValue, ven_req->wIndex, 397 ven_req->pBuff, ven_req->wLength, HZ); 398 } 399 400 return ret; 401 } 402 403 /* 404 * cx231xx_write_ctrl_reg() 405 * sends data to the usb device, specifying bRequest 406 */ 407 int cx231xx_write_ctrl_reg(struct cx231xx *dev, u8 req, u16 reg, char *buf, 408 int len) 409 { 410 u8 val = 0; 411 int ret; 412 int pipe = usb_sndctrlpipe(dev->udev, 0); 413 414 if (dev->state & DEV_DISCONNECTED) 415 return -ENODEV; 416 417 if ((len < 1) || (len > URB_MAX_CTRL_SIZE)) 418 return -EINVAL; 419 420 switch (len) { 421 case 1: 422 val = ENABLE_ONE_BYTE; 423 break; 424 case 2: 425 val = ENABLE_TWE_BYTE; 426 break; 427 case 3: 428 val = ENABLE_THREE_BYTE; 429 break; 430 case 4: 431 val = ENABLE_FOUR_BYTE; 432 break; 433 default: 434 val = 0xFF; /* invalid option */ 435 } 436 437 if (val == 0xFF) 438 return -EINVAL; 439 440 if (reg_debug) { 441 int byte; 442 443 cx231xx_isocdbg("(pipe 0x%08x): OUT: %02x %02x %02x %02x %02x %02x %02x %02x >>>", 444 pipe, 445 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, 446 req, 0, val, reg & 0xff, 447 reg >> 8, len & 0xff, len >> 8); 448 449 for (byte = 0; byte < len; byte++) 450 cx231xx_isocdbg(" %02x", (unsigned char)buf[byte]); 451 cx231xx_isocdbg("\n"); 452 } 453 454 ret = __usb_control_msg(dev, pipe, req, 455 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, 456 val, reg, buf, len, HZ); 457 458 return ret; 459 } 460 461 /**************************************************************** 462 * USB Alternate Setting functions * 463 *****************************************************************/ 464 465 int cx231xx_set_video_alternate(struct cx231xx *dev) 466 { 467 int errCode, prev_alt = dev->video_mode.alt; 468 unsigned int min_pkt_size = dev->width * 2 + 4; 469 u32 usb_interface_index = 0; 470 471 /* When image size is bigger than a certain value, 472 the frame size should be increased, otherwise, only 473 green screen will be received. 474 */ 475 if (dev->width * 2 * dev->height > 720 * 240 * 2) 476 min_pkt_size *= 2; 477 478 if (dev->width > 360) { 479 /* resolutions: 720,704,640 */ 480 dev->video_mode.alt = 3; 481 } else if (dev->width > 180) { 482 /* resolutions: 360,352,320,240 */ 483 dev->video_mode.alt = 2; 484 } else if (dev->width > 0) { 485 /* resolutions: 180,176,160,128,88 */ 486 dev->video_mode.alt = 1; 487 } else { 488 /* Change to alt0 BULK to release USB bandwidth */ 489 dev->video_mode.alt = 0; 490 } 491 492 if (dev->USE_ISO == 0) 493 dev->video_mode.alt = 0; 494 495 cx231xx_coredbg("dev->video_mode.alt= %d\n", dev->video_mode.alt); 496 497 /* Get the correct video interface Index */ 498 usb_interface_index = 499 dev->current_pcb_config.hs_config_info[0].interface_info. 500 video_index + 1; 501 502 if (dev->video_mode.alt != prev_alt) { 503 cx231xx_coredbg("minimum isoc packet size: %u (alt=%d)\n", 504 min_pkt_size, dev->video_mode.alt); 505 506 if (dev->video_mode.alt_max_pkt_size != NULL) 507 dev->video_mode.max_pkt_size = 508 dev->video_mode.alt_max_pkt_size[dev->video_mode.alt]; 509 cx231xx_coredbg("setting alternate %d with wMaxPacketSize=%u\n", 510 dev->video_mode.alt, 511 dev->video_mode.max_pkt_size); 512 errCode = 513 usb_set_interface(dev->udev, usb_interface_index, 514 dev->video_mode.alt); 515 if (errCode < 0) { 516 dev_err(dev->dev, 517 "cannot change alt number to %d (error=%i)\n", 518 dev->video_mode.alt, errCode); 519 return errCode; 520 } 521 } 522 return 0; 523 } 524 525 int cx231xx_set_alt_setting(struct cx231xx *dev, u8 index, u8 alt) 526 { 527 int status = 0; 528 u32 usb_interface_index = 0; 529 u32 max_pkt_size = 0; 530 531 switch (index) { 532 case INDEX_TS1: 533 usb_interface_index = 534 dev->current_pcb_config.hs_config_info[0].interface_info. 535 ts1_index + 1; 536 dev->ts1_mode.alt = alt; 537 if (dev->ts1_mode.alt_max_pkt_size != NULL) 538 max_pkt_size = dev->ts1_mode.max_pkt_size = 539 dev->ts1_mode.alt_max_pkt_size[dev->ts1_mode.alt]; 540 break; 541 case INDEX_TS2: 542 usb_interface_index = 543 dev->current_pcb_config.hs_config_info[0].interface_info. 544 ts2_index + 1; 545 break; 546 case INDEX_AUDIO: 547 usb_interface_index = 548 dev->current_pcb_config.hs_config_info[0].interface_info. 549 audio_index + 1; 550 dev->adev.alt = alt; 551 if (dev->adev.alt_max_pkt_size != NULL) 552 max_pkt_size = dev->adev.max_pkt_size = 553 dev->adev.alt_max_pkt_size[dev->adev.alt]; 554 break; 555 case INDEX_VIDEO: 556 usb_interface_index = 557 dev->current_pcb_config.hs_config_info[0].interface_info. 558 video_index + 1; 559 dev->video_mode.alt = alt; 560 if (dev->video_mode.alt_max_pkt_size != NULL) 561 max_pkt_size = dev->video_mode.max_pkt_size = 562 dev->video_mode.alt_max_pkt_size[dev->video_mode. 563 alt]; 564 break; 565 case INDEX_VANC: 566 if (dev->board.no_alt_vanc) 567 return 0; 568 usb_interface_index = 569 dev->current_pcb_config.hs_config_info[0].interface_info. 570 vanc_index + 1; 571 dev->vbi_mode.alt = alt; 572 if (dev->vbi_mode.alt_max_pkt_size != NULL) 573 max_pkt_size = dev->vbi_mode.max_pkt_size = 574 dev->vbi_mode.alt_max_pkt_size[dev->vbi_mode.alt]; 575 break; 576 case INDEX_HANC: 577 usb_interface_index = 578 dev->current_pcb_config.hs_config_info[0].interface_info. 579 hanc_index + 1; 580 dev->sliced_cc_mode.alt = alt; 581 if (dev->sliced_cc_mode.alt_max_pkt_size != NULL) 582 max_pkt_size = dev->sliced_cc_mode.max_pkt_size = 583 dev->sliced_cc_mode.alt_max_pkt_size[dev-> 584 sliced_cc_mode. 585 alt]; 586 break; 587 default: 588 break; 589 } 590 591 if (alt > 0 && max_pkt_size == 0) { 592 dev_err(dev->dev, 593 "can't change interface %d alt no. to %d: Max. Pkt size = 0\n", 594 usb_interface_index, alt); 595 /*To workaround error number=-71 on EP0 for videograbber, 596 need add following codes.*/ 597 if (dev->board.no_alt_vanc) 598 return -1; 599 } 600 601 cx231xx_coredbg("setting alternate %d with wMaxPacketSize=%u,Interface = %d\n", 602 alt, max_pkt_size, 603 usb_interface_index); 604 605 if (usb_interface_index > 0) { 606 status = usb_set_interface(dev->udev, usb_interface_index, alt); 607 if (status < 0) { 608 dev_err(dev->dev, 609 "can't change interface %d alt no. to %d (err=%i)\n", 610 usb_interface_index, alt, status); 611 return status; 612 } 613 } 614 615 return status; 616 } 617 EXPORT_SYMBOL_GPL(cx231xx_set_alt_setting); 618 619 int cx231xx_gpio_set(struct cx231xx *dev, struct cx231xx_reg_seq *gpio) 620 { 621 int rc = 0; 622 623 if (!gpio) 624 return rc; 625 626 /* Send GPIO reset sequences specified at board entry */ 627 while (gpio->sleep >= 0) { 628 rc = cx231xx_set_gpio_value(dev, gpio->bit, gpio->val); 629 if (rc < 0) 630 return rc; 631 632 if (gpio->sleep > 0) 633 msleep(gpio->sleep); 634 635 gpio++; 636 } 637 return rc; 638 } 639 640 int cx231xx_demod_reset(struct cx231xx *dev) 641 { 642 643 u8 status = 0; 644 u8 value[4] = { 0, 0, 0, 0 }; 645 646 status = cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, PWR_CTL_EN, 647 value, 4); 648 649 cx231xx_coredbg("reg0x%x=0x%x 0x%x 0x%x 0x%x\n", PWR_CTL_EN, 650 value[0], value[1], value[2], value[3]); 651 652 cx231xx_coredbg("Enter cx231xx_demod_reset()\n"); 653 654 value[1] = (u8) 0x3; 655 status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, 656 PWR_CTL_EN, value, 4); 657 msleep(10); 658 659 value[1] = (u8) 0x0; 660 status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, 661 PWR_CTL_EN, value, 4); 662 msleep(10); 663 664 value[1] = (u8) 0x3; 665 status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, 666 PWR_CTL_EN, value, 4); 667 msleep(10); 668 669 status = cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, PWR_CTL_EN, 670 value, 4); 671 672 cx231xx_coredbg("reg0x%x=0x%x 0x%x 0x%x 0x%x\n", PWR_CTL_EN, 673 value[0], value[1], value[2], value[3]); 674 675 return status; 676 } 677 EXPORT_SYMBOL_GPL(cx231xx_demod_reset); 678 int is_fw_load(struct cx231xx *dev) 679 { 680 return cx231xx_check_fw(dev); 681 } 682 EXPORT_SYMBOL_GPL(is_fw_load); 683 684 int cx231xx_set_mode(struct cx231xx *dev, enum cx231xx_mode set_mode) 685 { 686 int errCode = 0; 687 688 if (dev->mode == set_mode) 689 return 0; 690 691 if (set_mode == CX231XX_SUSPEND) { 692 /* Set the chip in power saving mode */ 693 dev->mode = set_mode; 694 } 695 696 /* Resource is locked */ 697 if (dev->mode != CX231XX_SUSPEND) 698 return -EINVAL; 699 700 dev->mode = set_mode; 701 702 if (dev->mode == CX231XX_DIGITAL_MODE)/* Set Digital power mode */ { 703 /* set AGC mode to Digital */ 704 switch (dev->model) { 705 case CX231XX_BOARD_CNXT_CARRAERA: 706 case CX231XX_BOARD_CNXT_RDE_250: 707 case CX231XX_BOARD_CNXT_SHELBY: 708 case CX231XX_BOARD_CNXT_RDU_250: 709 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 0); 710 break; 711 case CX231XX_BOARD_CNXT_RDE_253S: 712 case CX231XX_BOARD_CNXT_RDU_253S: 713 case CX231XX_BOARD_PV_PLAYTV_USB_HYBRID: 714 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 1); 715 break; 716 case CX231XX_BOARD_HAUPPAUGE_EXETER: 717 case CX231XX_BOARD_HAUPPAUGE_930C_HD_1113xx: 718 errCode = cx231xx_set_power_mode(dev, 719 POLARIS_AVMODE_DIGITAL); 720 break; 721 default: 722 break; 723 } 724 } else/* Set Analog Power mode */ { 725 /* set AGC mode to Analog */ 726 switch (dev->model) { 727 case CX231XX_BOARD_CNXT_CARRAERA: 728 case CX231XX_BOARD_CNXT_RDE_250: 729 case CX231XX_BOARD_CNXT_SHELBY: 730 case CX231XX_BOARD_CNXT_RDU_250: 731 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 1); 732 break; 733 case CX231XX_BOARD_CNXT_RDE_253S: 734 case CX231XX_BOARD_CNXT_RDU_253S: 735 case CX231XX_BOARD_HAUPPAUGE_EXETER: 736 case CX231XX_BOARD_HAUPPAUGE_930C_HD_1113xx: 737 case CX231XX_BOARD_PV_PLAYTV_USB_HYBRID: 738 case CX231XX_BOARD_HAUPPAUGE_USB2_FM_PAL: 739 case CX231XX_BOARD_HAUPPAUGE_USB2_FM_NTSC: 740 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 0); 741 break; 742 default: 743 break; 744 } 745 } 746 747 if (errCode < 0) { 748 dev_err(dev->dev, "Failed to set devmode to %s: error: %i", 749 dev->mode == CX231XX_DIGITAL_MODE ? "digital" : "analog", 750 errCode); 751 return errCode; 752 } 753 754 return 0; 755 } 756 EXPORT_SYMBOL_GPL(cx231xx_set_mode); 757 758 int cx231xx_ep5_bulkout(struct cx231xx *dev, u8 *firmware, u16 size) 759 { 760 int errCode = 0; 761 int actlen = -1; 762 int ret = -ENOMEM; 763 u32 *buffer; 764 765 buffer = kzalloc(4096, GFP_KERNEL); 766 if (buffer == NULL) 767 return -ENOMEM; 768 memcpy(&buffer[0], firmware, 4096); 769 770 ret = usb_bulk_msg(dev->udev, usb_sndbulkpipe(dev->udev, 5), 771 buffer, 4096, &actlen, 2000); 772 773 if (ret) 774 dev_err(dev->dev, 775 "bulk message failed: %d (%d/%d)", ret, 776 size, actlen); 777 else { 778 errCode = actlen != size ? -1 : 0; 779 } 780 kfree(buffer); 781 return errCode; 782 } 783 784 /***************************************************************** 785 * URB Streaming functions * 786 ******************************************************************/ 787 788 /* 789 * IRQ callback, called by URB callback 790 */ 791 static void cx231xx_isoc_irq_callback(struct urb *urb) 792 { 793 struct cx231xx_dmaqueue *dma_q = urb->context; 794 struct cx231xx_video_mode *vmode = 795 container_of(dma_q, struct cx231xx_video_mode, vidq); 796 struct cx231xx *dev = container_of(vmode, struct cx231xx, video_mode); 797 int i; 798 799 switch (urb->status) { 800 case 0: /* success */ 801 case -ETIMEDOUT: /* NAK */ 802 break; 803 case -ECONNRESET: /* kill */ 804 case -ENOENT: 805 case -ESHUTDOWN: 806 return; 807 default: /* error */ 808 cx231xx_isocdbg("urb completion error %d.\n", urb->status); 809 break; 810 } 811 812 /* Copy data from URB */ 813 spin_lock(&dev->video_mode.slock); 814 dev->video_mode.isoc_ctl.isoc_copy(dev, urb); 815 spin_unlock(&dev->video_mode.slock); 816 817 /* Reset urb buffers */ 818 for (i = 0; i < urb->number_of_packets; i++) { 819 urb->iso_frame_desc[i].status = 0; 820 urb->iso_frame_desc[i].actual_length = 0; 821 } 822 823 urb->status = usb_submit_urb(urb, GFP_ATOMIC); 824 if (urb->status) { 825 cx231xx_isocdbg("urb resubmit failed (error=%i)\n", 826 urb->status); 827 } 828 } 829 /***************************************************************** 830 * URB Streaming functions * 831 ******************************************************************/ 832 833 /* 834 * IRQ callback, called by URB callback 835 */ 836 static void cx231xx_bulk_irq_callback(struct urb *urb) 837 { 838 struct cx231xx_dmaqueue *dma_q = urb->context; 839 struct cx231xx_video_mode *vmode = 840 container_of(dma_q, struct cx231xx_video_mode, vidq); 841 struct cx231xx *dev = container_of(vmode, struct cx231xx, video_mode); 842 843 switch (urb->status) { 844 case 0: /* success */ 845 case -ETIMEDOUT: /* NAK */ 846 break; 847 case -ECONNRESET: /* kill */ 848 case -ENOENT: 849 case -ESHUTDOWN: 850 return; 851 case -EPIPE: /* stall */ 852 cx231xx_isocdbg("urb completion error - device is stalled.\n"); 853 return; 854 default: /* error */ 855 cx231xx_isocdbg("urb completion error %d.\n", urb->status); 856 break; 857 } 858 859 /* Copy data from URB */ 860 spin_lock(&dev->video_mode.slock); 861 dev->video_mode.bulk_ctl.bulk_copy(dev, urb); 862 spin_unlock(&dev->video_mode.slock); 863 864 /* Reset urb buffers */ 865 urb->status = usb_submit_urb(urb, GFP_ATOMIC); 866 if (urb->status) { 867 cx231xx_isocdbg("urb resubmit failed (error=%i)\n", 868 urb->status); 869 } 870 } 871 /* 872 * Stop and Deallocate URBs 873 */ 874 void cx231xx_uninit_isoc(struct cx231xx *dev) 875 { 876 struct cx231xx_dmaqueue *dma_q = &dev->video_mode.vidq; 877 struct urb *urb; 878 int i; 879 bool broken_pipe = false; 880 881 cx231xx_isocdbg("cx231xx: called cx231xx_uninit_isoc\n"); 882 883 dev->video_mode.isoc_ctl.nfields = -1; 884 for (i = 0; i < dev->video_mode.isoc_ctl.num_bufs; i++) { 885 urb = dev->video_mode.isoc_ctl.urb[i]; 886 if (urb) { 887 if (!irqs_disabled()) 888 usb_kill_urb(urb); 889 else 890 usb_unlink_urb(urb); 891 892 if (dev->video_mode.isoc_ctl.transfer_buffer[i]) { 893 usb_free_coherent(dev->udev, 894 urb->transfer_buffer_length, 895 dev->video_mode.isoc_ctl. 896 transfer_buffer[i], 897 urb->transfer_dma); 898 } 899 if (urb->status == -EPIPE) { 900 broken_pipe = true; 901 } 902 usb_free_urb(urb); 903 dev->video_mode.isoc_ctl.urb[i] = NULL; 904 } 905 dev->video_mode.isoc_ctl.transfer_buffer[i] = NULL; 906 } 907 908 if (broken_pipe) { 909 cx231xx_isocdbg("Reset endpoint to recover broken pipe."); 910 usb_reset_endpoint(dev->udev, dev->video_mode.end_point_addr); 911 } 912 kfree(dev->video_mode.isoc_ctl.urb); 913 kfree(dev->video_mode.isoc_ctl.transfer_buffer); 914 kfree(dma_q->p_left_data); 915 916 dev->video_mode.isoc_ctl.urb = NULL; 917 dev->video_mode.isoc_ctl.transfer_buffer = NULL; 918 dev->video_mode.isoc_ctl.num_bufs = 0; 919 dma_q->p_left_data = NULL; 920 921 if (dev->mode_tv == 0) 922 cx231xx_capture_start(dev, 0, Raw_Video); 923 else 924 cx231xx_capture_start(dev, 0, TS1_serial_mode); 925 926 927 } 928 EXPORT_SYMBOL_GPL(cx231xx_uninit_isoc); 929 930 /* 931 * Stop and Deallocate URBs 932 */ 933 void cx231xx_uninit_bulk(struct cx231xx *dev) 934 { 935 struct cx231xx_dmaqueue *dma_q = &dev->video_mode.vidq; 936 struct urb *urb; 937 int i; 938 bool broken_pipe = false; 939 940 cx231xx_isocdbg("cx231xx: called cx231xx_uninit_bulk\n"); 941 942 dev->video_mode.bulk_ctl.nfields = -1; 943 for (i = 0; i < dev->video_mode.bulk_ctl.num_bufs; i++) { 944 urb = dev->video_mode.bulk_ctl.urb[i]; 945 if (urb) { 946 if (!irqs_disabled()) 947 usb_kill_urb(urb); 948 else 949 usb_unlink_urb(urb); 950 951 if (dev->video_mode.bulk_ctl.transfer_buffer[i]) { 952 usb_free_coherent(dev->udev, 953 urb->transfer_buffer_length, 954 dev->video_mode.bulk_ctl. 955 transfer_buffer[i], 956 urb->transfer_dma); 957 } 958 if (urb->status == -EPIPE) { 959 broken_pipe = true; 960 } 961 usb_free_urb(urb); 962 dev->video_mode.bulk_ctl.urb[i] = NULL; 963 } 964 dev->video_mode.bulk_ctl.transfer_buffer[i] = NULL; 965 } 966 967 if (broken_pipe) { 968 cx231xx_isocdbg("Reset endpoint to recover broken pipe."); 969 usb_reset_endpoint(dev->udev, dev->video_mode.end_point_addr); 970 } 971 kfree(dev->video_mode.bulk_ctl.urb); 972 kfree(dev->video_mode.bulk_ctl.transfer_buffer); 973 kfree(dma_q->p_left_data); 974 975 dev->video_mode.bulk_ctl.urb = NULL; 976 dev->video_mode.bulk_ctl.transfer_buffer = NULL; 977 dev->video_mode.bulk_ctl.num_bufs = 0; 978 dma_q->p_left_data = NULL; 979 980 if (dev->mode_tv == 0) 981 cx231xx_capture_start(dev, 0, Raw_Video); 982 else 983 cx231xx_capture_start(dev, 0, TS1_serial_mode); 984 985 986 } 987 EXPORT_SYMBOL_GPL(cx231xx_uninit_bulk); 988 989 /* 990 * Allocate URBs and start IRQ 991 */ 992 int cx231xx_init_isoc(struct cx231xx *dev, int max_packets, 993 int num_bufs, int max_pkt_size, 994 int (*isoc_copy) (struct cx231xx *dev, struct urb *urb)) 995 { 996 struct cx231xx_dmaqueue *dma_q = &dev->video_mode.vidq; 997 int i; 998 int sb_size, pipe; 999 struct urb *urb; 1000 int j, k; 1001 int rc; 1002 1003 /* De-allocates all pending stuff */ 1004 cx231xx_uninit_isoc(dev); 1005 1006 dma_q->p_left_data = kzalloc(4096, GFP_KERNEL); 1007 if (dma_q->p_left_data == NULL) 1008 return -ENOMEM; 1009 1010 dev->video_mode.isoc_ctl.isoc_copy = isoc_copy; 1011 dev->video_mode.isoc_ctl.num_bufs = num_bufs; 1012 dma_q->pos = 0; 1013 dma_q->is_partial_line = 0; 1014 dma_q->last_sav = 0; 1015 dma_q->current_field = -1; 1016 dma_q->field1_done = 0; 1017 dma_q->lines_per_field = dev->height / 2; 1018 dma_q->bytes_left_in_line = dev->width << 1; 1019 dma_q->lines_completed = 0; 1020 dma_q->mpeg_buffer_done = 0; 1021 dma_q->left_data_count = 0; 1022 dma_q->mpeg_buffer_completed = 0; 1023 dma_q->add_ps_package_head = CX231XX_NEED_ADD_PS_PACKAGE_HEAD; 1024 dma_q->ps_head[0] = 0x00; 1025 dma_q->ps_head[1] = 0x00; 1026 dma_q->ps_head[2] = 0x01; 1027 dma_q->ps_head[3] = 0xBA; 1028 for (i = 0; i < 8; i++) 1029 dma_q->partial_buf[i] = 0; 1030 1031 dev->video_mode.isoc_ctl.urb = 1032 kzalloc(sizeof(void *) * num_bufs, GFP_KERNEL); 1033 if (!dev->video_mode.isoc_ctl.urb) { 1034 dev_err(dev->dev, 1035 "cannot alloc memory for usb buffers\n"); 1036 return -ENOMEM; 1037 } 1038 1039 dev->video_mode.isoc_ctl.transfer_buffer = 1040 kzalloc(sizeof(void *) * num_bufs, GFP_KERNEL); 1041 if (!dev->video_mode.isoc_ctl.transfer_buffer) { 1042 dev_err(dev->dev, 1043 "cannot allocate memory for usbtransfer\n"); 1044 kfree(dev->video_mode.isoc_ctl.urb); 1045 return -ENOMEM; 1046 } 1047 1048 dev->video_mode.isoc_ctl.max_pkt_size = max_pkt_size; 1049 dev->video_mode.isoc_ctl.buf = NULL; 1050 1051 sb_size = max_packets * dev->video_mode.isoc_ctl.max_pkt_size; 1052 1053 if (dev->mode_tv == 1) 1054 dev->video_mode.end_point_addr = 0x81; 1055 else 1056 dev->video_mode.end_point_addr = 0x84; 1057 1058 1059 /* allocate urbs and transfer buffers */ 1060 for (i = 0; i < dev->video_mode.isoc_ctl.num_bufs; i++) { 1061 urb = usb_alloc_urb(max_packets, GFP_KERNEL); 1062 if (!urb) { 1063 cx231xx_uninit_isoc(dev); 1064 return -ENOMEM; 1065 } 1066 dev->video_mode.isoc_ctl.urb[i] = urb; 1067 1068 dev->video_mode.isoc_ctl.transfer_buffer[i] = 1069 usb_alloc_coherent(dev->udev, sb_size, GFP_KERNEL, 1070 &urb->transfer_dma); 1071 if (!dev->video_mode.isoc_ctl.transfer_buffer[i]) { 1072 dev_err(dev->dev, 1073 "unable to allocate %i bytes for transfer buffer %i%s\n", 1074 sb_size, i, 1075 in_interrupt() ? " while in int" : ""); 1076 cx231xx_uninit_isoc(dev); 1077 return -ENOMEM; 1078 } 1079 memset(dev->video_mode.isoc_ctl.transfer_buffer[i], 0, sb_size); 1080 1081 pipe = 1082 usb_rcvisocpipe(dev->udev, dev->video_mode.end_point_addr); 1083 1084 usb_fill_int_urb(urb, dev->udev, pipe, 1085 dev->video_mode.isoc_ctl.transfer_buffer[i], 1086 sb_size, cx231xx_isoc_irq_callback, dma_q, 1); 1087 1088 urb->number_of_packets = max_packets; 1089 urb->transfer_flags = URB_ISO_ASAP | URB_NO_TRANSFER_DMA_MAP; 1090 1091 k = 0; 1092 for (j = 0; j < max_packets; j++) { 1093 urb->iso_frame_desc[j].offset = k; 1094 urb->iso_frame_desc[j].length = 1095 dev->video_mode.isoc_ctl.max_pkt_size; 1096 k += dev->video_mode.isoc_ctl.max_pkt_size; 1097 } 1098 } 1099 1100 init_waitqueue_head(&dma_q->wq); 1101 1102 /* submit urbs and enables IRQ */ 1103 for (i = 0; i < dev->video_mode.isoc_ctl.num_bufs; i++) { 1104 rc = usb_submit_urb(dev->video_mode.isoc_ctl.urb[i], 1105 GFP_ATOMIC); 1106 if (rc) { 1107 dev_err(dev->dev, 1108 "submit of urb %i failed (error=%i)\n", i, 1109 rc); 1110 cx231xx_uninit_isoc(dev); 1111 return rc; 1112 } 1113 } 1114 1115 if (dev->mode_tv == 0) 1116 cx231xx_capture_start(dev, 1, Raw_Video); 1117 else 1118 cx231xx_capture_start(dev, 1, TS1_serial_mode); 1119 1120 return 0; 1121 } 1122 EXPORT_SYMBOL_GPL(cx231xx_init_isoc); 1123 1124 /* 1125 * Allocate URBs and start IRQ 1126 */ 1127 int cx231xx_init_bulk(struct cx231xx *dev, int max_packets, 1128 int num_bufs, int max_pkt_size, 1129 int (*bulk_copy) (struct cx231xx *dev, struct urb *urb)) 1130 { 1131 struct cx231xx_dmaqueue *dma_q = &dev->video_mode.vidq; 1132 int i; 1133 int sb_size, pipe; 1134 struct urb *urb; 1135 int rc; 1136 1137 dev->video_input = dev->video_input > 2 ? 2 : dev->video_input; 1138 1139 cx231xx_coredbg("Setting Video mux to %d\n", dev->video_input); 1140 1141 video_mux(dev, dev->video_input); 1142 1143 /* De-allocates all pending stuff */ 1144 cx231xx_uninit_bulk(dev); 1145 1146 dev->video_mode.bulk_ctl.bulk_copy = bulk_copy; 1147 dev->video_mode.bulk_ctl.num_bufs = num_bufs; 1148 dma_q->pos = 0; 1149 dma_q->is_partial_line = 0; 1150 dma_q->last_sav = 0; 1151 dma_q->current_field = -1; 1152 dma_q->field1_done = 0; 1153 dma_q->lines_per_field = dev->height / 2; 1154 dma_q->bytes_left_in_line = dev->width << 1; 1155 dma_q->lines_completed = 0; 1156 dma_q->mpeg_buffer_done = 0; 1157 dma_q->left_data_count = 0; 1158 dma_q->mpeg_buffer_completed = 0; 1159 dma_q->ps_head[0] = 0x00; 1160 dma_q->ps_head[1] = 0x00; 1161 dma_q->ps_head[2] = 0x01; 1162 dma_q->ps_head[3] = 0xBA; 1163 for (i = 0; i < 8; i++) 1164 dma_q->partial_buf[i] = 0; 1165 1166 dev->video_mode.bulk_ctl.urb = 1167 kzalloc(sizeof(void *) * num_bufs, GFP_KERNEL); 1168 if (!dev->video_mode.bulk_ctl.urb) { 1169 dev_err(dev->dev, 1170 "cannot alloc memory for usb buffers\n"); 1171 return -ENOMEM; 1172 } 1173 1174 dev->video_mode.bulk_ctl.transfer_buffer = 1175 kzalloc(sizeof(void *) * num_bufs, GFP_KERNEL); 1176 if (!dev->video_mode.bulk_ctl.transfer_buffer) { 1177 dev_err(dev->dev, 1178 "cannot allocate memory for usbtransfer\n"); 1179 kfree(dev->video_mode.bulk_ctl.urb); 1180 return -ENOMEM; 1181 } 1182 1183 dev->video_mode.bulk_ctl.max_pkt_size = max_pkt_size; 1184 dev->video_mode.bulk_ctl.buf = NULL; 1185 1186 sb_size = max_packets * dev->video_mode.bulk_ctl.max_pkt_size; 1187 1188 if (dev->mode_tv == 1) 1189 dev->video_mode.end_point_addr = 0x81; 1190 else 1191 dev->video_mode.end_point_addr = 0x84; 1192 1193 1194 /* allocate urbs and transfer buffers */ 1195 for (i = 0; i < dev->video_mode.bulk_ctl.num_bufs; i++) { 1196 urb = usb_alloc_urb(0, GFP_KERNEL); 1197 if (!urb) { 1198 cx231xx_uninit_bulk(dev); 1199 return -ENOMEM; 1200 } 1201 dev->video_mode.bulk_ctl.urb[i] = urb; 1202 urb->transfer_flags = URB_NO_TRANSFER_DMA_MAP; 1203 1204 dev->video_mode.bulk_ctl.transfer_buffer[i] = 1205 usb_alloc_coherent(dev->udev, sb_size, GFP_KERNEL, 1206 &urb->transfer_dma); 1207 if (!dev->video_mode.bulk_ctl.transfer_buffer[i]) { 1208 dev_err(dev->dev, 1209 "unable to allocate %i bytes for transfer buffer %i%s\n", 1210 sb_size, i, 1211 in_interrupt() ? " while in int" : ""); 1212 cx231xx_uninit_bulk(dev); 1213 return -ENOMEM; 1214 } 1215 memset(dev->video_mode.bulk_ctl.transfer_buffer[i], 0, sb_size); 1216 1217 pipe = usb_rcvbulkpipe(dev->udev, 1218 dev->video_mode.end_point_addr); 1219 usb_fill_bulk_urb(urb, dev->udev, pipe, 1220 dev->video_mode.bulk_ctl.transfer_buffer[i], 1221 sb_size, cx231xx_bulk_irq_callback, dma_q); 1222 } 1223 1224 /* clear halt */ 1225 rc = usb_clear_halt(dev->udev, dev->video_mode.bulk_ctl.urb[0]->pipe); 1226 if (rc < 0) { 1227 dev_err(dev->dev, 1228 "failed to clear USB bulk endpoint stall/halt condition (error=%i)\n", 1229 rc); 1230 cx231xx_uninit_bulk(dev); 1231 return rc; 1232 } 1233 1234 init_waitqueue_head(&dma_q->wq); 1235 1236 /* submit urbs and enables IRQ */ 1237 for (i = 0; i < dev->video_mode.bulk_ctl.num_bufs; i++) { 1238 rc = usb_submit_urb(dev->video_mode.bulk_ctl.urb[i], 1239 GFP_ATOMIC); 1240 if (rc) { 1241 dev_err(dev->dev, 1242 "submit of urb %i failed (error=%i)\n", i, rc); 1243 cx231xx_uninit_bulk(dev); 1244 return rc; 1245 } 1246 } 1247 1248 if (dev->mode_tv == 0) 1249 cx231xx_capture_start(dev, 1, Raw_Video); 1250 else 1251 cx231xx_capture_start(dev, 1, TS1_serial_mode); 1252 1253 return 0; 1254 } 1255 EXPORT_SYMBOL_GPL(cx231xx_init_bulk); 1256 void cx231xx_stop_TS1(struct cx231xx *dev) 1257 { 1258 u8 val[4] = { 0, 0, 0, 0 }; 1259 1260 val[0] = 0x00; 1261 val[1] = 0x03; 1262 val[2] = 0x00; 1263 val[3] = 0x00; 1264 cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, 1265 TS_MODE_REG, val, 4); 1266 1267 val[0] = 0x00; 1268 val[1] = 0x70; 1269 val[2] = 0x04; 1270 val[3] = 0x00; 1271 cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, 1272 TS1_CFG_REG, val, 4); 1273 } 1274 /* EXPORT_SYMBOL_GPL(cx231xx_stop_TS1); */ 1275 void cx231xx_start_TS1(struct cx231xx *dev) 1276 { 1277 u8 val[4] = { 0, 0, 0, 0 }; 1278 1279 val[0] = 0x03; 1280 val[1] = 0x03; 1281 val[2] = 0x00; 1282 val[3] = 0x00; 1283 cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, 1284 TS_MODE_REG, val, 4); 1285 1286 val[0] = 0x04; 1287 val[1] = 0xA3; 1288 val[2] = 0x3B; 1289 val[3] = 0x00; 1290 cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, 1291 TS1_CFG_REG, val, 4); 1292 } 1293 /* EXPORT_SYMBOL_GPL(cx231xx_start_TS1); */ 1294 /***************************************************************** 1295 * Device Init/UnInit functions * 1296 ******************************************************************/ 1297 int cx231xx_dev_init(struct cx231xx *dev) 1298 { 1299 int errCode = 0; 1300 1301 /* Initialize I2C bus */ 1302 1303 /* External Master 1 Bus */ 1304 dev->i2c_bus[0].nr = 0; 1305 dev->i2c_bus[0].dev = dev; 1306 dev->i2c_bus[0].i2c_period = I2C_SPEED_100K; /* 100 KHz */ 1307 dev->i2c_bus[0].i2c_nostop = 0; 1308 dev->i2c_bus[0].i2c_reserve = 0; 1309 1310 /* External Master 2 Bus */ 1311 dev->i2c_bus[1].nr = 1; 1312 dev->i2c_bus[1].dev = dev; 1313 dev->i2c_bus[1].i2c_period = I2C_SPEED_100K; /* 100 KHz */ 1314 dev->i2c_bus[1].i2c_nostop = 0; 1315 dev->i2c_bus[1].i2c_reserve = 0; 1316 1317 /* Internal Master 3 Bus */ 1318 dev->i2c_bus[2].nr = 2; 1319 dev->i2c_bus[2].dev = dev; 1320 dev->i2c_bus[2].i2c_period = I2C_SPEED_100K; /* 100kHz */ 1321 dev->i2c_bus[2].i2c_nostop = 0; 1322 dev->i2c_bus[2].i2c_reserve = 0; 1323 1324 /* register I2C buses */ 1325 errCode = cx231xx_i2c_register(&dev->i2c_bus[0]); 1326 if (errCode < 0) 1327 return errCode; 1328 errCode = cx231xx_i2c_register(&dev->i2c_bus[1]); 1329 if (errCode < 0) 1330 return errCode; 1331 errCode = cx231xx_i2c_register(&dev->i2c_bus[2]); 1332 if (errCode < 0) 1333 return errCode; 1334 1335 errCode = cx231xx_i2c_mux_create(dev); 1336 if (errCode < 0) { 1337 dev_err(dev->dev, 1338 "%s: Failed to create I2C mux\n", __func__); 1339 return errCode; 1340 } 1341 errCode = cx231xx_i2c_mux_register(dev, 0); 1342 if (errCode < 0) 1343 return errCode; 1344 1345 errCode = cx231xx_i2c_mux_register(dev, 1); 1346 if (errCode < 0) 1347 return errCode; 1348 1349 /* scan the real bus segments in the order of physical port numbers */ 1350 cx231xx_do_i2c_scan(dev, I2C_0); 1351 cx231xx_do_i2c_scan(dev, I2C_1_MUX_1); 1352 cx231xx_do_i2c_scan(dev, I2C_2); 1353 cx231xx_do_i2c_scan(dev, I2C_1_MUX_3); 1354 1355 /* init hardware */ 1356 /* Note : with out calling set power mode function, 1357 afe can not be set up correctly */ 1358 if (dev->board.external_av) { 1359 errCode = cx231xx_set_power_mode(dev, 1360 POLARIS_AVMODE_ENXTERNAL_AV); 1361 if (errCode < 0) { 1362 dev_err(dev->dev, 1363 "%s: Failed to set Power - errCode [%d]!\n", 1364 __func__, errCode); 1365 return errCode; 1366 } 1367 } else { 1368 errCode = cx231xx_set_power_mode(dev, 1369 POLARIS_AVMODE_ANALOGT_TV); 1370 if (errCode < 0) { 1371 dev_err(dev->dev, 1372 "%s: Failed to set Power - errCode [%d]!\n", 1373 __func__, errCode); 1374 return errCode; 1375 } 1376 } 1377 1378 /* reset the Tuner, if it is a Xceive tuner */ 1379 if ((dev->board.tuner_type == TUNER_XC5000) || 1380 (dev->board.tuner_type == TUNER_XC2028)) 1381 cx231xx_gpio_set(dev, dev->board.tuner_gpio); 1382 1383 /* initialize Colibri block */ 1384 errCode = cx231xx_afe_init_super_block(dev, 0x23c); 1385 if (errCode < 0) { 1386 dev_err(dev->dev, 1387 "%s: cx231xx_afe init super block - errCode [%d]!\n", 1388 __func__, errCode); 1389 return errCode; 1390 } 1391 errCode = cx231xx_afe_init_channels(dev); 1392 if (errCode < 0) { 1393 dev_err(dev->dev, 1394 "%s: cx231xx_afe init channels - errCode [%d]!\n", 1395 __func__, errCode); 1396 return errCode; 1397 } 1398 1399 /* Set DIF in By pass mode */ 1400 errCode = cx231xx_dif_set_standard(dev, DIF_USE_BASEBAND); 1401 if (errCode < 0) { 1402 dev_err(dev->dev, 1403 "%s: cx231xx_dif set to By pass mode - errCode [%d]!\n", 1404 __func__, errCode); 1405 return errCode; 1406 } 1407 1408 /* I2S block related functions */ 1409 errCode = cx231xx_i2s_blk_initialize(dev); 1410 if (errCode < 0) { 1411 dev_err(dev->dev, 1412 "%s: cx231xx_i2s block initialize - errCode [%d]!\n", 1413 __func__, errCode); 1414 return errCode; 1415 } 1416 1417 /* init control pins */ 1418 errCode = cx231xx_init_ctrl_pin_status(dev); 1419 if (errCode < 0) { 1420 dev_err(dev->dev, 1421 "%s: cx231xx_init ctrl pins - errCode [%d]!\n", 1422 __func__, errCode); 1423 return errCode; 1424 } 1425 1426 /* set AGC mode to Analog */ 1427 switch (dev->model) { 1428 case CX231XX_BOARD_CNXT_CARRAERA: 1429 case CX231XX_BOARD_CNXT_RDE_250: 1430 case CX231XX_BOARD_CNXT_SHELBY: 1431 case CX231XX_BOARD_CNXT_RDU_250: 1432 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 1); 1433 break; 1434 case CX231XX_BOARD_CNXT_RDE_253S: 1435 case CX231XX_BOARD_CNXT_RDU_253S: 1436 case CX231XX_BOARD_HAUPPAUGE_EXETER: 1437 case CX231XX_BOARD_HAUPPAUGE_930C_HD_1113xx: 1438 case CX231XX_BOARD_PV_PLAYTV_USB_HYBRID: 1439 case CX231XX_BOARD_HAUPPAUGE_USB2_FM_PAL: 1440 case CX231XX_BOARD_HAUPPAUGE_USB2_FM_NTSC: 1441 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 0); 1442 break; 1443 default: 1444 break; 1445 } 1446 if (errCode < 0) { 1447 dev_err(dev->dev, 1448 "%s: cx231xx_AGC mode to Analog - errCode [%d]!\n", 1449 __func__, errCode); 1450 return errCode; 1451 } 1452 1453 /* set all alternate settings to zero initially */ 1454 cx231xx_set_alt_setting(dev, INDEX_VIDEO, 0); 1455 cx231xx_set_alt_setting(dev, INDEX_VANC, 0); 1456 cx231xx_set_alt_setting(dev, INDEX_HANC, 0); 1457 if (dev->board.has_dvb) 1458 cx231xx_set_alt_setting(dev, INDEX_TS1, 0); 1459 1460 errCode = 0; 1461 return errCode; 1462 } 1463 EXPORT_SYMBOL_GPL(cx231xx_dev_init); 1464 1465 void cx231xx_dev_uninit(struct cx231xx *dev) 1466 { 1467 /* Un Initialize I2C bus */ 1468 cx231xx_i2c_mux_unregister(dev); 1469 cx231xx_i2c_unregister(&dev->i2c_bus[2]); 1470 cx231xx_i2c_unregister(&dev->i2c_bus[1]); 1471 cx231xx_i2c_unregister(&dev->i2c_bus[0]); 1472 } 1473 EXPORT_SYMBOL_GPL(cx231xx_dev_uninit); 1474 1475 /***************************************************************** 1476 * G P I O related functions * 1477 ******************************************************************/ 1478 int cx231xx_send_gpio_cmd(struct cx231xx *dev, u32 gpio_bit, u8 *gpio_val, 1479 u8 len, u8 request, u8 direction) 1480 { 1481 int status = 0; 1482 struct VENDOR_REQUEST_IN ven_req; 1483 1484 /* Set wValue */ 1485 ven_req.wValue = (u16) (gpio_bit >> 16 & 0xffff); 1486 1487 /* set request */ 1488 if (!request) { 1489 if (direction) 1490 ven_req.bRequest = VRT_GET_GPIO; /* 0x9 gpio */ 1491 else 1492 ven_req.bRequest = VRT_SET_GPIO; /* 0x8 gpio */ 1493 } else { 1494 if (direction) 1495 ven_req.bRequest = VRT_GET_GPIE; /* 0xb gpie */ 1496 else 1497 ven_req.bRequest = VRT_SET_GPIE; /* 0xa gpie */ 1498 } 1499 1500 /* set index value */ 1501 ven_req.wIndex = (u16) (gpio_bit & 0xffff); 1502 1503 /* set wLength value */ 1504 ven_req.wLength = len; 1505 1506 /* set bData value */ 1507 ven_req.bData = 0; 1508 1509 /* set the buffer for read / write */ 1510 ven_req.pBuff = gpio_val; 1511 1512 /* set the direction */ 1513 if (direction) { 1514 ven_req.direction = USB_DIR_IN; 1515 memset(ven_req.pBuff, 0x00, ven_req.wLength); 1516 } else 1517 ven_req.direction = USB_DIR_OUT; 1518 1519 1520 /* call common vendor command request */ 1521 status = cx231xx_send_vendor_cmd(dev, &ven_req); 1522 if (status < 0) { 1523 dev_err(dev->dev, "%s: failed with status -%d\n", 1524 __func__, status); 1525 } 1526 1527 return status; 1528 } 1529 EXPORT_SYMBOL_GPL(cx231xx_send_gpio_cmd); 1530 1531 /***************************************************************** 1532 * C O N T R O L - Register R E A D / W R I T E functions * 1533 *****************************************************************/ 1534 int cx231xx_mode_register(struct cx231xx *dev, u16 address, u32 mode) 1535 { 1536 u8 value[4] = { 0x0, 0x0, 0x0, 0x0 }; 1537 u32 tmp = 0; 1538 int status = 0; 1539 1540 status = 1541 cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, address, value, 4); 1542 if (status < 0) 1543 return status; 1544 1545 tmp = le32_to_cpu(*((__le32 *) value)); 1546 tmp |= mode; 1547 1548 value[0] = (u8) tmp; 1549 value[1] = (u8) (tmp >> 8); 1550 value[2] = (u8) (tmp >> 16); 1551 value[3] = (u8) (tmp >> 24); 1552 1553 status = 1554 cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, address, value, 4); 1555 1556 return status; 1557 } 1558 1559 /***************************************************************** 1560 * I 2 C Internal C O N T R O L functions * 1561 *****************************************************************/ 1562 int cx231xx_read_i2c_master(struct cx231xx *dev, u8 dev_addr, u16 saddr, 1563 u8 saddr_len, u32 *data, u8 data_len, int master) 1564 { 1565 int status = 0; 1566 struct cx231xx_i2c_xfer_data req_data; 1567 u8 value[64] = "0"; 1568 1569 if (saddr_len == 0) 1570 saddr = 0; 1571 else if (saddr_len == 1) 1572 saddr &= 0xff; 1573 1574 /* prepare xfer_data struct */ 1575 req_data.dev_addr = dev_addr >> 1; 1576 req_data.direction = I2C_M_RD; 1577 req_data.saddr_len = saddr_len; 1578 req_data.saddr_dat = saddr; 1579 req_data.buf_size = data_len; 1580 req_data.p_buffer = (u8 *) value; 1581 1582 /* usb send command */ 1583 if (master == 0) 1584 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[0], 1585 &req_data); 1586 else if (master == 1) 1587 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[1], 1588 &req_data); 1589 else if (master == 2) 1590 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[2], 1591 &req_data); 1592 1593 if (status >= 0) { 1594 /* Copy the data read back to main buffer */ 1595 if (data_len == 1) 1596 *data = value[0]; 1597 else if (data_len == 4) 1598 *data = 1599 value[0] | value[1] << 8 | value[2] << 16 | value[3] 1600 << 24; 1601 else if (data_len > 4) 1602 *data = value[saddr]; 1603 } 1604 1605 return status; 1606 } 1607 1608 int cx231xx_write_i2c_master(struct cx231xx *dev, u8 dev_addr, u16 saddr, 1609 u8 saddr_len, u32 data, u8 data_len, int master) 1610 { 1611 int status = 0; 1612 u8 value[4] = { 0, 0, 0, 0 }; 1613 struct cx231xx_i2c_xfer_data req_data; 1614 1615 value[0] = (u8) data; 1616 value[1] = (u8) (data >> 8); 1617 value[2] = (u8) (data >> 16); 1618 value[3] = (u8) (data >> 24); 1619 1620 if (saddr_len == 0) 1621 saddr = 0; 1622 else if (saddr_len == 1) 1623 saddr &= 0xff; 1624 1625 /* prepare xfer_data struct */ 1626 req_data.dev_addr = dev_addr >> 1; 1627 req_data.direction = 0; 1628 req_data.saddr_len = saddr_len; 1629 req_data.saddr_dat = saddr; 1630 req_data.buf_size = data_len; 1631 req_data.p_buffer = value; 1632 1633 /* usb send command */ 1634 if (master == 0) 1635 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[0], 1636 &req_data); 1637 else if (master == 1) 1638 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[1], 1639 &req_data); 1640 else if (master == 2) 1641 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[2], 1642 &req_data); 1643 1644 return status; 1645 } 1646 1647 int cx231xx_read_i2c_data(struct cx231xx *dev, u8 dev_addr, u16 saddr, 1648 u8 saddr_len, u32 *data, u8 data_len) 1649 { 1650 int status = 0; 1651 struct cx231xx_i2c_xfer_data req_data; 1652 u8 value[4] = { 0, 0, 0, 0 }; 1653 1654 if (saddr_len == 0) 1655 saddr = 0; 1656 else if (saddr_len == 1) 1657 saddr &= 0xff; 1658 1659 /* prepare xfer_data struct */ 1660 req_data.dev_addr = dev_addr >> 1; 1661 req_data.direction = I2C_M_RD; 1662 req_data.saddr_len = saddr_len; 1663 req_data.saddr_dat = saddr; 1664 req_data.buf_size = data_len; 1665 req_data.p_buffer = (u8 *) value; 1666 1667 /* usb send command */ 1668 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[0], &req_data); 1669 1670 if (status >= 0) { 1671 /* Copy the data read back to main buffer */ 1672 if (data_len == 1) 1673 *data = value[0]; 1674 else 1675 *data = 1676 value[0] | value[1] << 8 | value[2] << 16 | value[3] 1677 << 24; 1678 } 1679 1680 return status; 1681 } 1682 1683 int cx231xx_write_i2c_data(struct cx231xx *dev, u8 dev_addr, u16 saddr, 1684 u8 saddr_len, u32 data, u8 data_len) 1685 { 1686 int status = 0; 1687 u8 value[4] = { 0, 0, 0, 0 }; 1688 struct cx231xx_i2c_xfer_data req_data; 1689 1690 value[0] = (u8) data; 1691 value[1] = (u8) (data >> 8); 1692 value[2] = (u8) (data >> 16); 1693 value[3] = (u8) (data >> 24); 1694 1695 if (saddr_len == 0) 1696 saddr = 0; 1697 else if (saddr_len == 1) 1698 saddr &= 0xff; 1699 1700 /* prepare xfer_data struct */ 1701 req_data.dev_addr = dev_addr >> 1; 1702 req_data.direction = 0; 1703 req_data.saddr_len = saddr_len; 1704 req_data.saddr_dat = saddr; 1705 req_data.buf_size = data_len; 1706 req_data.p_buffer = value; 1707 1708 /* usb send command */ 1709 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[0], &req_data); 1710 1711 return status; 1712 } 1713 1714 int cx231xx_reg_mask_write(struct cx231xx *dev, u8 dev_addr, u8 size, 1715 u16 register_address, u8 bit_start, u8 bit_end, 1716 u32 value) 1717 { 1718 int status = 0; 1719 u32 tmp; 1720 u32 mask = 0; 1721 int i; 1722 1723 if (bit_start > (size - 1) || bit_end > (size - 1)) 1724 return -1; 1725 1726 if (size == 8) { 1727 status = 1728 cx231xx_read_i2c_data(dev, dev_addr, register_address, 2, 1729 &tmp, 1); 1730 } else { 1731 status = 1732 cx231xx_read_i2c_data(dev, dev_addr, register_address, 2, 1733 &tmp, 4); 1734 } 1735 1736 if (status < 0) 1737 return status; 1738 1739 mask = 1 << bit_end; 1740 for (i = bit_end; i > bit_start && i > 0; i--) 1741 mask = mask + (1 << (i - 1)); 1742 1743 value <<= bit_start; 1744 1745 if (size == 8) { 1746 tmp &= ~mask; 1747 tmp |= value; 1748 tmp &= 0xff; 1749 status = 1750 cx231xx_write_i2c_data(dev, dev_addr, register_address, 2, 1751 tmp, 1); 1752 } else { 1753 tmp &= ~mask; 1754 tmp |= value; 1755 status = 1756 cx231xx_write_i2c_data(dev, dev_addr, register_address, 2, 1757 tmp, 4); 1758 } 1759 1760 return status; 1761 } 1762 1763 int cx231xx_read_modify_write_i2c_dword(struct cx231xx *dev, u8 dev_addr, 1764 u16 saddr, u32 mask, u32 value) 1765 { 1766 u32 temp; 1767 int status = 0; 1768 1769 status = cx231xx_read_i2c_data(dev, dev_addr, saddr, 2, &temp, 4); 1770 1771 if (status < 0) 1772 return status; 1773 1774 temp &= ~mask; 1775 temp |= value; 1776 1777 status = cx231xx_write_i2c_data(dev, dev_addr, saddr, 2, temp, 4); 1778 1779 return status; 1780 } 1781 1782 u32 cx231xx_set_field(u32 field_mask, u32 data) 1783 { 1784 u32 temp; 1785 1786 for (temp = field_mask; (temp & 1) == 0; temp >>= 1) 1787 data <<= 1; 1788 1789 return data; 1790 } 1791