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) || 359 360 /* Internal Master 3 Bus can send 361 * and receive only 4 bytes per time 362 */ 363 (ven_req->bRequest == 0x2))) { 364 unsend_size = 0; 365 pdata = ven_req->pBuff; 366 367 368 unsend_size = ven_req->wLength; 369 370 /* the first package */ 371 ven_req->wValue = ven_req->wValue & 0xFFFB; 372 ven_req->wValue = (ven_req->wValue & 0xFFBD) | 0x2; 373 ret = __usb_control_msg(dev, pipe, ven_req->bRequest, 374 ven_req->direction | USB_TYPE_VENDOR | USB_RECIP_DEVICE, 375 ven_req->wValue, ven_req->wIndex, pdata, 376 0x0004, HZ); 377 unsend_size = unsend_size - 4; 378 379 /* the middle package */ 380 ven_req->wValue = (ven_req->wValue & 0xFFBD) | 0x42; 381 while (unsend_size - 4 > 0) { 382 pdata = pdata + 4; 383 ret = __usb_control_msg(dev, pipe, 384 ven_req->bRequest, 385 ven_req->direction | USB_TYPE_VENDOR | USB_RECIP_DEVICE, 386 ven_req->wValue, ven_req->wIndex, pdata, 387 0x0004, HZ); 388 unsend_size = unsend_size - 4; 389 } 390 391 /* the last package */ 392 ven_req->wValue = (ven_req->wValue & 0xFFBD) | 0x40; 393 pdata = pdata + 4; 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, pdata, 397 unsend_size, HZ); 398 } else { 399 ret = __usb_control_msg(dev, pipe, ven_req->bRequest, 400 ven_req->direction | USB_TYPE_VENDOR | USB_RECIP_DEVICE, 401 ven_req->wValue, ven_req->wIndex, 402 ven_req->pBuff, ven_req->wLength, HZ); 403 } 404 405 return ret; 406 } 407 408 /* 409 * cx231xx_write_ctrl_reg() 410 * sends data to the usb device, specifying bRequest 411 */ 412 int cx231xx_write_ctrl_reg(struct cx231xx *dev, u8 req, u16 reg, char *buf, 413 int len) 414 { 415 u8 val = 0; 416 int ret; 417 int pipe = usb_sndctrlpipe(dev->udev, 0); 418 419 if (dev->state & DEV_DISCONNECTED) 420 return -ENODEV; 421 422 if ((len < 1) || (len > URB_MAX_CTRL_SIZE)) 423 return -EINVAL; 424 425 switch (len) { 426 case 1: 427 val = ENABLE_ONE_BYTE; 428 break; 429 case 2: 430 val = ENABLE_TWE_BYTE; 431 break; 432 case 3: 433 val = ENABLE_THREE_BYTE; 434 break; 435 case 4: 436 val = ENABLE_FOUR_BYTE; 437 break; 438 default: 439 val = 0xFF; /* invalid option */ 440 } 441 442 if (val == 0xFF) 443 return -EINVAL; 444 445 if (reg_debug) { 446 int byte; 447 448 cx231xx_isocdbg("(pipe 0x%08x): OUT: %02x %02x %02x %02x %02x %02x %02x %02x >>>", 449 pipe, 450 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, 451 req, 0, val, reg & 0xff, 452 reg >> 8, len & 0xff, len >> 8); 453 454 for (byte = 0; byte < len; byte++) 455 cx231xx_isocdbg(" %02x", (unsigned char)buf[byte]); 456 cx231xx_isocdbg("\n"); 457 } 458 459 ret = __usb_control_msg(dev, pipe, req, 460 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, 461 val, reg, buf, len, HZ); 462 463 return ret; 464 } 465 466 /**************************************************************** 467 * USB Alternate Setting functions * 468 *****************************************************************/ 469 470 int cx231xx_set_video_alternate(struct cx231xx *dev) 471 { 472 int errCode, prev_alt = dev->video_mode.alt; 473 unsigned int min_pkt_size = dev->width * 2 + 4; 474 u32 usb_interface_index = 0; 475 476 /* When image size is bigger than a certain value, 477 the frame size should be increased, otherwise, only 478 green screen will be received. 479 */ 480 if (dev->width * 2 * dev->height > 720 * 240 * 2) 481 min_pkt_size *= 2; 482 483 if (dev->width > 360) { 484 /* resolutions: 720,704,640 */ 485 dev->video_mode.alt = 3; 486 } else if (dev->width > 180) { 487 /* resolutions: 360,352,320,240 */ 488 dev->video_mode.alt = 2; 489 } else if (dev->width > 0) { 490 /* resolutions: 180,176,160,128,88 */ 491 dev->video_mode.alt = 1; 492 } else { 493 /* Change to alt0 BULK to release USB bandwidth */ 494 dev->video_mode.alt = 0; 495 } 496 497 if (dev->USE_ISO == 0) 498 dev->video_mode.alt = 0; 499 500 cx231xx_coredbg("dev->video_mode.alt= %d\n", dev->video_mode.alt); 501 502 /* Get the correct video interface Index */ 503 usb_interface_index = 504 dev->current_pcb_config.hs_config_info[0].interface_info. 505 video_index + 1; 506 507 if (dev->video_mode.alt != prev_alt) { 508 cx231xx_coredbg("minimum isoc packet size: %u (alt=%d)\n", 509 min_pkt_size, dev->video_mode.alt); 510 511 if (dev->video_mode.alt_max_pkt_size != NULL) 512 dev->video_mode.max_pkt_size = 513 dev->video_mode.alt_max_pkt_size[dev->video_mode.alt]; 514 cx231xx_coredbg("setting alternate %d with wMaxPacketSize=%u\n", 515 dev->video_mode.alt, 516 dev->video_mode.max_pkt_size); 517 errCode = 518 usb_set_interface(dev->udev, usb_interface_index, 519 dev->video_mode.alt); 520 if (errCode < 0) { 521 dev_err(dev->dev, 522 "cannot change alt number to %d (error=%i)\n", 523 dev->video_mode.alt, errCode); 524 return errCode; 525 } 526 } 527 return 0; 528 } 529 530 int cx231xx_set_alt_setting(struct cx231xx *dev, u8 index, u8 alt) 531 { 532 int status = 0; 533 u32 usb_interface_index = 0; 534 u32 max_pkt_size = 0; 535 536 switch (index) { 537 case INDEX_TS1: 538 usb_interface_index = 539 dev->current_pcb_config.hs_config_info[0].interface_info. 540 ts1_index + 1; 541 dev->ts1_mode.alt = alt; 542 if (dev->ts1_mode.alt_max_pkt_size != NULL) 543 max_pkt_size = dev->ts1_mode.max_pkt_size = 544 dev->ts1_mode.alt_max_pkt_size[dev->ts1_mode.alt]; 545 break; 546 case INDEX_TS2: 547 usb_interface_index = 548 dev->current_pcb_config.hs_config_info[0].interface_info. 549 ts2_index + 1; 550 break; 551 case INDEX_AUDIO: 552 usb_interface_index = 553 dev->current_pcb_config.hs_config_info[0].interface_info. 554 audio_index + 1; 555 dev->adev.alt = alt; 556 if (dev->adev.alt_max_pkt_size != NULL) 557 max_pkt_size = dev->adev.max_pkt_size = 558 dev->adev.alt_max_pkt_size[dev->adev.alt]; 559 break; 560 case INDEX_VIDEO: 561 usb_interface_index = 562 dev->current_pcb_config.hs_config_info[0].interface_info. 563 video_index + 1; 564 dev->video_mode.alt = alt; 565 if (dev->video_mode.alt_max_pkt_size != NULL) 566 max_pkt_size = dev->video_mode.max_pkt_size = 567 dev->video_mode.alt_max_pkt_size[dev->video_mode. 568 alt]; 569 break; 570 case INDEX_VANC: 571 if (dev->board.no_alt_vanc) 572 return 0; 573 usb_interface_index = 574 dev->current_pcb_config.hs_config_info[0].interface_info. 575 vanc_index + 1; 576 dev->vbi_mode.alt = alt; 577 if (dev->vbi_mode.alt_max_pkt_size != NULL) 578 max_pkt_size = dev->vbi_mode.max_pkt_size = 579 dev->vbi_mode.alt_max_pkt_size[dev->vbi_mode.alt]; 580 break; 581 case INDEX_HANC: 582 usb_interface_index = 583 dev->current_pcb_config.hs_config_info[0].interface_info. 584 hanc_index + 1; 585 dev->sliced_cc_mode.alt = alt; 586 if (dev->sliced_cc_mode.alt_max_pkt_size != NULL) 587 max_pkt_size = dev->sliced_cc_mode.max_pkt_size = 588 dev->sliced_cc_mode.alt_max_pkt_size[dev-> 589 sliced_cc_mode. 590 alt]; 591 break; 592 default: 593 break; 594 } 595 596 if (alt > 0 && max_pkt_size == 0) { 597 dev_err(dev->dev, 598 "can't change interface %d alt no. to %d: Max. Pkt size = 0\n", 599 usb_interface_index, alt); 600 /*To workaround error number=-71 on EP0 for videograbber, 601 need add following codes.*/ 602 if (dev->board.no_alt_vanc) 603 return -1; 604 } 605 606 cx231xx_coredbg("setting alternate %d with wMaxPacketSize=%u,Interface = %d\n", 607 alt, max_pkt_size, 608 usb_interface_index); 609 610 if (usb_interface_index > 0) { 611 status = usb_set_interface(dev->udev, usb_interface_index, alt); 612 if (status < 0) { 613 dev_err(dev->dev, 614 "can't change interface %d alt no. to %d (err=%i)\n", 615 usb_interface_index, alt, status); 616 return status; 617 } 618 } 619 620 return status; 621 } 622 EXPORT_SYMBOL_GPL(cx231xx_set_alt_setting); 623 624 int cx231xx_gpio_set(struct cx231xx *dev, struct cx231xx_reg_seq *gpio) 625 { 626 int rc = 0; 627 628 if (!gpio) 629 return rc; 630 631 /* Send GPIO reset sequences specified at board entry */ 632 while (gpio->sleep >= 0) { 633 rc = cx231xx_set_gpio_value(dev, gpio->bit, gpio->val); 634 if (rc < 0) 635 return rc; 636 637 if (gpio->sleep > 0) 638 msleep(gpio->sleep); 639 640 gpio++; 641 } 642 return rc; 643 } 644 645 int cx231xx_demod_reset(struct cx231xx *dev) 646 { 647 648 u8 status = 0; 649 u8 value[4] = { 0, 0, 0, 0 }; 650 651 status = cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, PWR_CTL_EN, 652 value, 4); 653 654 cx231xx_coredbg("reg0x%x=0x%x 0x%x 0x%x 0x%x\n", PWR_CTL_EN, 655 value[0], value[1], value[2], value[3]); 656 657 cx231xx_coredbg("Enter cx231xx_demod_reset()\n"); 658 659 value[1] = (u8) 0x3; 660 status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, 661 PWR_CTL_EN, value, 4); 662 msleep(10); 663 664 value[1] = (u8) 0x0; 665 status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, 666 PWR_CTL_EN, value, 4); 667 msleep(10); 668 669 value[1] = (u8) 0x3; 670 status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, 671 PWR_CTL_EN, value, 4); 672 msleep(10); 673 674 status = cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, PWR_CTL_EN, 675 value, 4); 676 677 cx231xx_coredbg("reg0x%x=0x%x 0x%x 0x%x 0x%x\n", PWR_CTL_EN, 678 value[0], value[1], value[2], value[3]); 679 680 return status; 681 } 682 EXPORT_SYMBOL_GPL(cx231xx_demod_reset); 683 int is_fw_load(struct cx231xx *dev) 684 { 685 return cx231xx_check_fw(dev); 686 } 687 EXPORT_SYMBOL_GPL(is_fw_load); 688 689 int cx231xx_set_mode(struct cx231xx *dev, enum cx231xx_mode set_mode) 690 { 691 int errCode = 0; 692 693 if (dev->mode == set_mode) 694 return 0; 695 696 if (set_mode == CX231XX_SUSPEND) { 697 /* Set the chip in power saving mode */ 698 dev->mode = set_mode; 699 } 700 701 /* Resource is locked */ 702 if (dev->mode != CX231XX_SUSPEND) 703 return -EINVAL; 704 705 dev->mode = set_mode; 706 707 if (dev->mode == CX231XX_DIGITAL_MODE)/* Set Digital power mode */ { 708 /* set AGC mode to Digital */ 709 switch (dev->model) { 710 case CX231XX_BOARD_CNXT_CARRAERA: 711 case CX231XX_BOARD_CNXT_RDE_250: 712 case CX231XX_BOARD_CNXT_SHELBY: 713 case CX231XX_BOARD_CNXT_RDU_250: 714 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 0); 715 break; 716 case CX231XX_BOARD_CNXT_RDE_253S: 717 case CX231XX_BOARD_CNXT_RDU_253S: 718 case CX231XX_BOARD_PV_PLAYTV_USB_HYBRID: 719 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 1); 720 break; 721 case CX231XX_BOARD_HAUPPAUGE_EXETER: 722 case CX231XX_BOARD_HAUPPAUGE_930C_HD_1113xx: 723 errCode = cx231xx_set_power_mode(dev, 724 POLARIS_AVMODE_DIGITAL); 725 break; 726 default: 727 break; 728 } 729 } else/* Set Analog Power mode */ { 730 /* set AGC mode to Analog */ 731 switch (dev->model) { 732 case CX231XX_BOARD_CNXT_CARRAERA: 733 case CX231XX_BOARD_CNXT_RDE_250: 734 case CX231XX_BOARD_CNXT_SHELBY: 735 case CX231XX_BOARD_CNXT_RDU_250: 736 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 1); 737 break; 738 case CX231XX_BOARD_CNXT_RDE_253S: 739 case CX231XX_BOARD_CNXT_RDU_253S: 740 case CX231XX_BOARD_HAUPPAUGE_EXETER: 741 case CX231XX_BOARD_HAUPPAUGE_930C_HD_1113xx: 742 case CX231XX_BOARD_PV_PLAYTV_USB_HYBRID: 743 case CX231XX_BOARD_HAUPPAUGE_USB2_FM_PAL: 744 case CX231XX_BOARD_HAUPPAUGE_USB2_FM_NTSC: 745 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 0); 746 break; 747 default: 748 break; 749 } 750 } 751 752 if (errCode < 0) { 753 dev_err(dev->dev, "Failed to set devmode to %s: error: %i", 754 dev->mode == CX231XX_DIGITAL_MODE ? "digital" : "analog", 755 errCode); 756 return errCode; 757 } 758 759 return 0; 760 } 761 EXPORT_SYMBOL_GPL(cx231xx_set_mode); 762 763 int cx231xx_ep5_bulkout(struct cx231xx *dev, u8 *firmware, u16 size) 764 { 765 int errCode = 0; 766 int actlen = -1; 767 int ret = -ENOMEM; 768 u32 *buffer; 769 770 buffer = kzalloc(4096, GFP_KERNEL); 771 if (buffer == NULL) 772 return -ENOMEM; 773 memcpy(&buffer[0], firmware, 4096); 774 775 ret = usb_bulk_msg(dev->udev, usb_sndbulkpipe(dev->udev, 5), 776 buffer, 4096, &actlen, 2000); 777 778 if (ret) 779 dev_err(dev->dev, 780 "bulk message failed: %d (%d/%d)", ret, 781 size, actlen); 782 else { 783 errCode = actlen != size ? -1 : 0; 784 } 785 kfree(buffer); 786 return errCode; 787 } 788 789 /***************************************************************** 790 * URB Streaming functions * 791 ******************************************************************/ 792 793 /* 794 * IRQ callback, called by URB callback 795 */ 796 static void cx231xx_isoc_irq_callback(struct urb *urb) 797 { 798 struct cx231xx_dmaqueue *dma_q = urb->context; 799 struct cx231xx_video_mode *vmode = 800 container_of(dma_q, struct cx231xx_video_mode, vidq); 801 struct cx231xx *dev = container_of(vmode, struct cx231xx, video_mode); 802 int i; 803 804 switch (urb->status) { 805 case 0: /* success */ 806 case -ETIMEDOUT: /* NAK */ 807 break; 808 case -ECONNRESET: /* kill */ 809 case -ENOENT: 810 case -ESHUTDOWN: 811 return; 812 default: /* error */ 813 cx231xx_isocdbg("urb completion error %d.\n", urb->status); 814 break; 815 } 816 817 /* Copy data from URB */ 818 spin_lock(&dev->video_mode.slock); 819 dev->video_mode.isoc_ctl.isoc_copy(dev, urb); 820 spin_unlock(&dev->video_mode.slock); 821 822 /* Reset urb buffers */ 823 for (i = 0; i < urb->number_of_packets; i++) { 824 urb->iso_frame_desc[i].status = 0; 825 urb->iso_frame_desc[i].actual_length = 0; 826 } 827 828 urb->status = usb_submit_urb(urb, GFP_ATOMIC); 829 if (urb->status) { 830 cx231xx_isocdbg("urb resubmit failed (error=%i)\n", 831 urb->status); 832 } 833 } 834 /***************************************************************** 835 * URB Streaming functions * 836 ******************************************************************/ 837 838 /* 839 * IRQ callback, called by URB callback 840 */ 841 static void cx231xx_bulk_irq_callback(struct urb *urb) 842 { 843 struct cx231xx_dmaqueue *dma_q = urb->context; 844 struct cx231xx_video_mode *vmode = 845 container_of(dma_q, struct cx231xx_video_mode, vidq); 846 struct cx231xx *dev = container_of(vmode, struct cx231xx, video_mode); 847 848 switch (urb->status) { 849 case 0: /* success */ 850 case -ETIMEDOUT: /* NAK */ 851 break; 852 case -ECONNRESET: /* kill */ 853 case -ENOENT: 854 case -ESHUTDOWN: 855 return; 856 case -EPIPE: /* stall */ 857 cx231xx_isocdbg("urb completion error - device is stalled.\n"); 858 return; 859 default: /* error */ 860 cx231xx_isocdbg("urb completion error %d.\n", urb->status); 861 break; 862 } 863 864 /* Copy data from URB */ 865 spin_lock(&dev->video_mode.slock); 866 dev->video_mode.bulk_ctl.bulk_copy(dev, urb); 867 spin_unlock(&dev->video_mode.slock); 868 869 /* Reset urb buffers */ 870 urb->status = usb_submit_urb(urb, GFP_ATOMIC); 871 if (urb->status) { 872 cx231xx_isocdbg("urb resubmit failed (error=%i)\n", 873 urb->status); 874 } 875 } 876 /* 877 * Stop and Deallocate URBs 878 */ 879 void cx231xx_uninit_isoc(struct cx231xx *dev) 880 { 881 struct cx231xx_dmaqueue *dma_q = &dev->video_mode.vidq; 882 struct urb *urb; 883 int i; 884 bool broken_pipe = false; 885 886 cx231xx_isocdbg("cx231xx: called cx231xx_uninit_isoc\n"); 887 888 dev->video_mode.isoc_ctl.nfields = -1; 889 for (i = 0; i < dev->video_mode.isoc_ctl.num_bufs; i++) { 890 urb = dev->video_mode.isoc_ctl.urb[i]; 891 if (urb) { 892 if (!irqs_disabled()) 893 usb_kill_urb(urb); 894 else 895 usb_unlink_urb(urb); 896 897 if (dev->video_mode.isoc_ctl.transfer_buffer[i]) { 898 usb_free_coherent(dev->udev, 899 urb->transfer_buffer_length, 900 dev->video_mode.isoc_ctl. 901 transfer_buffer[i], 902 urb->transfer_dma); 903 } 904 if (urb->status == -EPIPE) { 905 broken_pipe = true; 906 } 907 usb_free_urb(urb); 908 dev->video_mode.isoc_ctl.urb[i] = NULL; 909 } 910 dev->video_mode.isoc_ctl.transfer_buffer[i] = NULL; 911 } 912 913 if (broken_pipe) { 914 cx231xx_isocdbg("Reset endpoint to recover broken pipe."); 915 usb_reset_endpoint(dev->udev, dev->video_mode.end_point_addr); 916 } 917 kfree(dev->video_mode.isoc_ctl.urb); 918 kfree(dev->video_mode.isoc_ctl.transfer_buffer); 919 kfree(dma_q->p_left_data); 920 921 dev->video_mode.isoc_ctl.urb = NULL; 922 dev->video_mode.isoc_ctl.transfer_buffer = NULL; 923 dev->video_mode.isoc_ctl.num_bufs = 0; 924 dma_q->p_left_data = NULL; 925 926 if (dev->mode_tv == 0) 927 cx231xx_capture_start(dev, 0, Raw_Video); 928 else 929 cx231xx_capture_start(dev, 0, TS1_serial_mode); 930 931 932 } 933 EXPORT_SYMBOL_GPL(cx231xx_uninit_isoc); 934 935 /* 936 * Stop and Deallocate URBs 937 */ 938 void cx231xx_uninit_bulk(struct cx231xx *dev) 939 { 940 struct cx231xx_dmaqueue *dma_q = &dev->video_mode.vidq; 941 struct urb *urb; 942 int i; 943 bool broken_pipe = false; 944 945 cx231xx_isocdbg("cx231xx: called cx231xx_uninit_bulk\n"); 946 947 dev->video_mode.bulk_ctl.nfields = -1; 948 for (i = 0; i < dev->video_mode.bulk_ctl.num_bufs; i++) { 949 urb = dev->video_mode.bulk_ctl.urb[i]; 950 if (urb) { 951 if (!irqs_disabled()) 952 usb_kill_urb(urb); 953 else 954 usb_unlink_urb(urb); 955 956 if (dev->video_mode.bulk_ctl.transfer_buffer[i]) { 957 usb_free_coherent(dev->udev, 958 urb->transfer_buffer_length, 959 dev->video_mode.bulk_ctl. 960 transfer_buffer[i], 961 urb->transfer_dma); 962 } 963 if (urb->status == -EPIPE) { 964 broken_pipe = true; 965 } 966 usb_free_urb(urb); 967 dev->video_mode.bulk_ctl.urb[i] = NULL; 968 } 969 dev->video_mode.bulk_ctl.transfer_buffer[i] = NULL; 970 } 971 972 if (broken_pipe) { 973 cx231xx_isocdbg("Reset endpoint to recover broken pipe."); 974 usb_reset_endpoint(dev->udev, dev->video_mode.end_point_addr); 975 } 976 kfree(dev->video_mode.bulk_ctl.urb); 977 kfree(dev->video_mode.bulk_ctl.transfer_buffer); 978 kfree(dma_q->p_left_data); 979 980 dev->video_mode.bulk_ctl.urb = NULL; 981 dev->video_mode.bulk_ctl.transfer_buffer = NULL; 982 dev->video_mode.bulk_ctl.num_bufs = 0; 983 dma_q->p_left_data = NULL; 984 985 if (dev->mode_tv == 0) 986 cx231xx_capture_start(dev, 0, Raw_Video); 987 else 988 cx231xx_capture_start(dev, 0, TS1_serial_mode); 989 990 991 } 992 EXPORT_SYMBOL_GPL(cx231xx_uninit_bulk); 993 994 /* 995 * Allocate URBs and start IRQ 996 */ 997 int cx231xx_init_isoc(struct cx231xx *dev, int max_packets, 998 int num_bufs, int max_pkt_size, 999 int (*isoc_copy) (struct cx231xx *dev, struct urb *urb)) 1000 { 1001 struct cx231xx_dmaqueue *dma_q = &dev->video_mode.vidq; 1002 int i; 1003 int sb_size, pipe; 1004 struct urb *urb; 1005 int j, k; 1006 int rc; 1007 1008 /* De-allocates all pending stuff */ 1009 cx231xx_uninit_isoc(dev); 1010 1011 dma_q->p_left_data = kzalloc(4096, GFP_KERNEL); 1012 if (dma_q->p_left_data == NULL) 1013 return -ENOMEM; 1014 1015 dev->video_mode.isoc_ctl.isoc_copy = isoc_copy; 1016 dev->video_mode.isoc_ctl.num_bufs = num_bufs; 1017 dma_q->pos = 0; 1018 dma_q->is_partial_line = 0; 1019 dma_q->last_sav = 0; 1020 dma_q->current_field = -1; 1021 dma_q->field1_done = 0; 1022 dma_q->lines_per_field = dev->height / 2; 1023 dma_q->bytes_left_in_line = dev->width << 1; 1024 dma_q->lines_completed = 0; 1025 dma_q->mpeg_buffer_done = 0; 1026 dma_q->left_data_count = 0; 1027 dma_q->mpeg_buffer_completed = 0; 1028 dma_q->add_ps_package_head = CX231XX_NEED_ADD_PS_PACKAGE_HEAD; 1029 dma_q->ps_head[0] = 0x00; 1030 dma_q->ps_head[1] = 0x00; 1031 dma_q->ps_head[2] = 0x01; 1032 dma_q->ps_head[3] = 0xBA; 1033 for (i = 0; i < 8; i++) 1034 dma_q->partial_buf[i] = 0; 1035 1036 dev->video_mode.isoc_ctl.urb = 1037 kzalloc(sizeof(void *) * num_bufs, GFP_KERNEL); 1038 if (!dev->video_mode.isoc_ctl.urb) { 1039 dev_err(dev->dev, 1040 "cannot alloc memory for usb buffers\n"); 1041 return -ENOMEM; 1042 } 1043 1044 dev->video_mode.isoc_ctl.transfer_buffer = 1045 kzalloc(sizeof(void *) * num_bufs, GFP_KERNEL); 1046 if (!dev->video_mode.isoc_ctl.transfer_buffer) { 1047 dev_err(dev->dev, 1048 "cannot allocate memory for usbtransfer\n"); 1049 kfree(dev->video_mode.isoc_ctl.urb); 1050 return -ENOMEM; 1051 } 1052 1053 dev->video_mode.isoc_ctl.max_pkt_size = max_pkt_size; 1054 dev->video_mode.isoc_ctl.buf = NULL; 1055 1056 sb_size = max_packets * dev->video_mode.isoc_ctl.max_pkt_size; 1057 1058 if (dev->mode_tv == 1) 1059 dev->video_mode.end_point_addr = 0x81; 1060 else 1061 dev->video_mode.end_point_addr = 0x84; 1062 1063 1064 /* allocate urbs and transfer buffers */ 1065 for (i = 0; i < dev->video_mode.isoc_ctl.num_bufs; i++) { 1066 urb = usb_alloc_urb(max_packets, GFP_KERNEL); 1067 if (!urb) { 1068 cx231xx_uninit_isoc(dev); 1069 return -ENOMEM; 1070 } 1071 dev->video_mode.isoc_ctl.urb[i] = urb; 1072 1073 dev->video_mode.isoc_ctl.transfer_buffer[i] = 1074 usb_alloc_coherent(dev->udev, sb_size, GFP_KERNEL, 1075 &urb->transfer_dma); 1076 if (!dev->video_mode.isoc_ctl.transfer_buffer[i]) { 1077 dev_err(dev->dev, 1078 "unable to allocate %i bytes for transfer buffer %i%s\n", 1079 sb_size, i, 1080 in_interrupt() ? " while in int" : ""); 1081 cx231xx_uninit_isoc(dev); 1082 return -ENOMEM; 1083 } 1084 memset(dev->video_mode.isoc_ctl.transfer_buffer[i], 0, sb_size); 1085 1086 pipe = 1087 usb_rcvisocpipe(dev->udev, dev->video_mode.end_point_addr); 1088 1089 usb_fill_int_urb(urb, dev->udev, pipe, 1090 dev->video_mode.isoc_ctl.transfer_buffer[i], 1091 sb_size, cx231xx_isoc_irq_callback, dma_q, 1); 1092 1093 urb->number_of_packets = max_packets; 1094 urb->transfer_flags = URB_ISO_ASAP | URB_NO_TRANSFER_DMA_MAP; 1095 1096 k = 0; 1097 for (j = 0; j < max_packets; j++) { 1098 urb->iso_frame_desc[j].offset = k; 1099 urb->iso_frame_desc[j].length = 1100 dev->video_mode.isoc_ctl.max_pkt_size; 1101 k += dev->video_mode.isoc_ctl.max_pkt_size; 1102 } 1103 } 1104 1105 init_waitqueue_head(&dma_q->wq); 1106 1107 /* submit urbs and enables IRQ */ 1108 for (i = 0; i < dev->video_mode.isoc_ctl.num_bufs; i++) { 1109 rc = usb_submit_urb(dev->video_mode.isoc_ctl.urb[i], 1110 GFP_ATOMIC); 1111 if (rc) { 1112 dev_err(dev->dev, 1113 "submit of urb %i failed (error=%i)\n", i, 1114 rc); 1115 cx231xx_uninit_isoc(dev); 1116 return rc; 1117 } 1118 } 1119 1120 if (dev->mode_tv == 0) 1121 cx231xx_capture_start(dev, 1, Raw_Video); 1122 else 1123 cx231xx_capture_start(dev, 1, TS1_serial_mode); 1124 1125 return 0; 1126 } 1127 EXPORT_SYMBOL_GPL(cx231xx_init_isoc); 1128 1129 /* 1130 * Allocate URBs and start IRQ 1131 */ 1132 int cx231xx_init_bulk(struct cx231xx *dev, int max_packets, 1133 int num_bufs, int max_pkt_size, 1134 int (*bulk_copy) (struct cx231xx *dev, struct urb *urb)) 1135 { 1136 struct cx231xx_dmaqueue *dma_q = &dev->video_mode.vidq; 1137 int i; 1138 int sb_size, pipe; 1139 struct urb *urb; 1140 int rc; 1141 1142 dev->video_input = dev->video_input > 2 ? 2 : dev->video_input; 1143 1144 cx231xx_coredbg("Setting Video mux to %d\n", dev->video_input); 1145 1146 video_mux(dev, dev->video_input); 1147 1148 /* De-allocates all pending stuff */ 1149 cx231xx_uninit_bulk(dev); 1150 1151 dev->video_mode.bulk_ctl.bulk_copy = bulk_copy; 1152 dev->video_mode.bulk_ctl.num_bufs = num_bufs; 1153 dma_q->pos = 0; 1154 dma_q->is_partial_line = 0; 1155 dma_q->last_sav = 0; 1156 dma_q->current_field = -1; 1157 dma_q->field1_done = 0; 1158 dma_q->lines_per_field = dev->height / 2; 1159 dma_q->bytes_left_in_line = dev->width << 1; 1160 dma_q->lines_completed = 0; 1161 dma_q->mpeg_buffer_done = 0; 1162 dma_q->left_data_count = 0; 1163 dma_q->mpeg_buffer_completed = 0; 1164 dma_q->ps_head[0] = 0x00; 1165 dma_q->ps_head[1] = 0x00; 1166 dma_q->ps_head[2] = 0x01; 1167 dma_q->ps_head[3] = 0xBA; 1168 for (i = 0; i < 8; i++) 1169 dma_q->partial_buf[i] = 0; 1170 1171 dev->video_mode.bulk_ctl.urb = 1172 kzalloc(sizeof(void *) * num_bufs, GFP_KERNEL); 1173 if (!dev->video_mode.bulk_ctl.urb) { 1174 dev_err(dev->dev, 1175 "cannot alloc memory for usb buffers\n"); 1176 return -ENOMEM; 1177 } 1178 1179 dev->video_mode.bulk_ctl.transfer_buffer = 1180 kzalloc(sizeof(void *) * num_bufs, GFP_KERNEL); 1181 if (!dev->video_mode.bulk_ctl.transfer_buffer) { 1182 dev_err(dev->dev, 1183 "cannot allocate memory for usbtransfer\n"); 1184 kfree(dev->video_mode.bulk_ctl.urb); 1185 return -ENOMEM; 1186 } 1187 1188 dev->video_mode.bulk_ctl.max_pkt_size = max_pkt_size; 1189 dev->video_mode.bulk_ctl.buf = NULL; 1190 1191 sb_size = max_packets * dev->video_mode.bulk_ctl.max_pkt_size; 1192 1193 if (dev->mode_tv == 1) 1194 dev->video_mode.end_point_addr = 0x81; 1195 else 1196 dev->video_mode.end_point_addr = 0x84; 1197 1198 1199 /* allocate urbs and transfer buffers */ 1200 for (i = 0; i < dev->video_mode.bulk_ctl.num_bufs; i++) { 1201 urb = usb_alloc_urb(0, GFP_KERNEL); 1202 if (!urb) { 1203 cx231xx_uninit_bulk(dev); 1204 return -ENOMEM; 1205 } 1206 dev->video_mode.bulk_ctl.urb[i] = urb; 1207 urb->transfer_flags = URB_NO_TRANSFER_DMA_MAP; 1208 1209 dev->video_mode.bulk_ctl.transfer_buffer[i] = 1210 usb_alloc_coherent(dev->udev, sb_size, GFP_KERNEL, 1211 &urb->transfer_dma); 1212 if (!dev->video_mode.bulk_ctl.transfer_buffer[i]) { 1213 dev_err(dev->dev, 1214 "unable to allocate %i bytes for transfer buffer %i%s\n", 1215 sb_size, i, 1216 in_interrupt() ? " while in int" : ""); 1217 cx231xx_uninit_bulk(dev); 1218 return -ENOMEM; 1219 } 1220 memset(dev->video_mode.bulk_ctl.transfer_buffer[i], 0, sb_size); 1221 1222 pipe = usb_rcvbulkpipe(dev->udev, 1223 dev->video_mode.end_point_addr); 1224 usb_fill_bulk_urb(urb, dev->udev, pipe, 1225 dev->video_mode.bulk_ctl.transfer_buffer[i], 1226 sb_size, cx231xx_bulk_irq_callback, dma_q); 1227 } 1228 1229 /* clear halt */ 1230 rc = usb_clear_halt(dev->udev, dev->video_mode.bulk_ctl.urb[0]->pipe); 1231 if (rc < 0) { 1232 dev_err(dev->dev, 1233 "failed to clear USB bulk endpoint stall/halt condition (error=%i)\n", 1234 rc); 1235 cx231xx_uninit_bulk(dev); 1236 return rc; 1237 } 1238 1239 init_waitqueue_head(&dma_q->wq); 1240 1241 /* submit urbs and enables IRQ */ 1242 for (i = 0; i < dev->video_mode.bulk_ctl.num_bufs; i++) { 1243 rc = usb_submit_urb(dev->video_mode.bulk_ctl.urb[i], 1244 GFP_ATOMIC); 1245 if (rc) { 1246 dev_err(dev->dev, 1247 "submit of urb %i failed (error=%i)\n", i, rc); 1248 cx231xx_uninit_bulk(dev); 1249 return rc; 1250 } 1251 } 1252 1253 if (dev->mode_tv == 0) 1254 cx231xx_capture_start(dev, 1, Raw_Video); 1255 else 1256 cx231xx_capture_start(dev, 1, TS1_serial_mode); 1257 1258 return 0; 1259 } 1260 EXPORT_SYMBOL_GPL(cx231xx_init_bulk); 1261 void cx231xx_stop_TS1(struct cx231xx *dev) 1262 { 1263 u8 val[4] = { 0, 0, 0, 0 }; 1264 1265 val[0] = 0x00; 1266 val[1] = 0x03; 1267 val[2] = 0x00; 1268 val[3] = 0x00; 1269 cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, 1270 TS_MODE_REG, val, 4); 1271 1272 val[0] = 0x00; 1273 val[1] = 0x70; 1274 val[2] = 0x04; 1275 val[3] = 0x00; 1276 cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, 1277 TS1_CFG_REG, val, 4); 1278 } 1279 /* EXPORT_SYMBOL_GPL(cx231xx_stop_TS1); */ 1280 void cx231xx_start_TS1(struct cx231xx *dev) 1281 { 1282 u8 val[4] = { 0, 0, 0, 0 }; 1283 1284 val[0] = 0x03; 1285 val[1] = 0x03; 1286 val[2] = 0x00; 1287 val[3] = 0x00; 1288 cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, 1289 TS_MODE_REG, val, 4); 1290 1291 val[0] = 0x04; 1292 val[1] = 0xA3; 1293 val[2] = 0x3B; 1294 val[3] = 0x00; 1295 cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, 1296 TS1_CFG_REG, val, 4); 1297 } 1298 /* EXPORT_SYMBOL_GPL(cx231xx_start_TS1); */ 1299 /***************************************************************** 1300 * Device Init/UnInit functions * 1301 ******************************************************************/ 1302 int cx231xx_dev_init(struct cx231xx *dev) 1303 { 1304 int errCode = 0; 1305 1306 /* Initialize I2C bus */ 1307 1308 /* External Master 1 Bus */ 1309 dev->i2c_bus[0].nr = 0; 1310 dev->i2c_bus[0].dev = dev; 1311 dev->i2c_bus[0].i2c_period = I2C_SPEED_100K; /* 100 KHz */ 1312 dev->i2c_bus[0].i2c_nostop = 0; 1313 dev->i2c_bus[0].i2c_reserve = 0; 1314 1315 /* External Master 2 Bus */ 1316 dev->i2c_bus[1].nr = 1; 1317 dev->i2c_bus[1].dev = dev; 1318 dev->i2c_bus[1].i2c_period = I2C_SPEED_100K; /* 100 KHz */ 1319 dev->i2c_bus[1].i2c_nostop = 0; 1320 dev->i2c_bus[1].i2c_reserve = 0; 1321 1322 /* Internal Master 3 Bus */ 1323 dev->i2c_bus[2].nr = 2; 1324 dev->i2c_bus[2].dev = dev; 1325 dev->i2c_bus[2].i2c_period = I2C_SPEED_100K; /* 100kHz */ 1326 dev->i2c_bus[2].i2c_nostop = 0; 1327 dev->i2c_bus[2].i2c_reserve = 0; 1328 1329 /* register I2C buses */ 1330 errCode = cx231xx_i2c_register(&dev->i2c_bus[0]); 1331 if (errCode < 0) 1332 return errCode; 1333 errCode = cx231xx_i2c_register(&dev->i2c_bus[1]); 1334 if (errCode < 0) 1335 return errCode; 1336 errCode = cx231xx_i2c_register(&dev->i2c_bus[2]); 1337 if (errCode < 0) 1338 return errCode; 1339 1340 errCode = cx231xx_i2c_mux_create(dev); 1341 if (errCode < 0) { 1342 dev_err(dev->dev, 1343 "%s: Failed to create I2C mux\n", __func__); 1344 return errCode; 1345 } 1346 errCode = cx231xx_i2c_mux_register(dev, 0); 1347 if (errCode < 0) 1348 return errCode; 1349 1350 errCode = cx231xx_i2c_mux_register(dev, 1); 1351 if (errCode < 0) 1352 return errCode; 1353 1354 /* scan the real bus segments in the order of physical port numbers */ 1355 cx231xx_do_i2c_scan(dev, I2C_0); 1356 cx231xx_do_i2c_scan(dev, I2C_1_MUX_1); 1357 cx231xx_do_i2c_scan(dev, I2C_2); 1358 cx231xx_do_i2c_scan(dev, I2C_1_MUX_3); 1359 1360 /* init hardware */ 1361 /* Note : with out calling set power mode function, 1362 afe can not be set up correctly */ 1363 if (dev->board.external_av) { 1364 errCode = cx231xx_set_power_mode(dev, 1365 POLARIS_AVMODE_ENXTERNAL_AV); 1366 if (errCode < 0) { 1367 dev_err(dev->dev, 1368 "%s: Failed to set Power - errCode [%d]!\n", 1369 __func__, errCode); 1370 return errCode; 1371 } 1372 } else { 1373 errCode = cx231xx_set_power_mode(dev, 1374 POLARIS_AVMODE_ANALOGT_TV); 1375 if (errCode < 0) { 1376 dev_err(dev->dev, 1377 "%s: Failed to set Power - errCode [%d]!\n", 1378 __func__, errCode); 1379 return errCode; 1380 } 1381 } 1382 1383 /* reset the Tuner, if it is a Xceive tuner */ 1384 if ((dev->board.tuner_type == TUNER_XC5000) || 1385 (dev->board.tuner_type == TUNER_XC2028)) 1386 cx231xx_gpio_set(dev, dev->board.tuner_gpio); 1387 1388 /* initialize Colibri block */ 1389 errCode = cx231xx_afe_init_super_block(dev, 0x23c); 1390 if (errCode < 0) { 1391 dev_err(dev->dev, 1392 "%s: cx231xx_afe init super block - errCode [%d]!\n", 1393 __func__, errCode); 1394 return errCode; 1395 } 1396 errCode = cx231xx_afe_init_channels(dev); 1397 if (errCode < 0) { 1398 dev_err(dev->dev, 1399 "%s: cx231xx_afe init channels - errCode [%d]!\n", 1400 __func__, errCode); 1401 return errCode; 1402 } 1403 1404 /* Set DIF in By pass mode */ 1405 errCode = cx231xx_dif_set_standard(dev, DIF_USE_BASEBAND); 1406 if (errCode < 0) { 1407 dev_err(dev->dev, 1408 "%s: cx231xx_dif set to By pass mode - errCode [%d]!\n", 1409 __func__, errCode); 1410 return errCode; 1411 } 1412 1413 /* I2S block related functions */ 1414 errCode = cx231xx_i2s_blk_initialize(dev); 1415 if (errCode < 0) { 1416 dev_err(dev->dev, 1417 "%s: cx231xx_i2s block initialize - errCode [%d]!\n", 1418 __func__, errCode); 1419 return errCode; 1420 } 1421 1422 /* init control pins */ 1423 errCode = cx231xx_init_ctrl_pin_status(dev); 1424 if (errCode < 0) { 1425 dev_err(dev->dev, 1426 "%s: cx231xx_init ctrl pins - errCode [%d]!\n", 1427 __func__, errCode); 1428 return errCode; 1429 } 1430 1431 /* set AGC mode to Analog */ 1432 switch (dev->model) { 1433 case CX231XX_BOARD_CNXT_CARRAERA: 1434 case CX231XX_BOARD_CNXT_RDE_250: 1435 case CX231XX_BOARD_CNXT_SHELBY: 1436 case CX231XX_BOARD_CNXT_RDU_250: 1437 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 1); 1438 break; 1439 case CX231XX_BOARD_CNXT_RDE_253S: 1440 case CX231XX_BOARD_CNXT_RDU_253S: 1441 case CX231XX_BOARD_HAUPPAUGE_EXETER: 1442 case CX231XX_BOARD_HAUPPAUGE_930C_HD_1113xx: 1443 case CX231XX_BOARD_PV_PLAYTV_USB_HYBRID: 1444 case CX231XX_BOARD_HAUPPAUGE_USB2_FM_PAL: 1445 case CX231XX_BOARD_HAUPPAUGE_USB2_FM_NTSC: 1446 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 0); 1447 break; 1448 default: 1449 break; 1450 } 1451 if (errCode < 0) { 1452 dev_err(dev->dev, 1453 "%s: cx231xx_AGC mode to Analog - errCode [%d]!\n", 1454 __func__, errCode); 1455 return errCode; 1456 } 1457 1458 /* set all alternate settings to zero initially */ 1459 cx231xx_set_alt_setting(dev, INDEX_VIDEO, 0); 1460 cx231xx_set_alt_setting(dev, INDEX_VANC, 0); 1461 cx231xx_set_alt_setting(dev, INDEX_HANC, 0); 1462 if (dev->board.has_dvb) 1463 cx231xx_set_alt_setting(dev, INDEX_TS1, 0); 1464 1465 errCode = 0; 1466 return errCode; 1467 } 1468 EXPORT_SYMBOL_GPL(cx231xx_dev_init); 1469 1470 void cx231xx_dev_uninit(struct cx231xx *dev) 1471 { 1472 /* Un Initialize I2C bus */ 1473 cx231xx_i2c_mux_unregister(dev); 1474 cx231xx_i2c_unregister(&dev->i2c_bus[2]); 1475 cx231xx_i2c_unregister(&dev->i2c_bus[1]); 1476 cx231xx_i2c_unregister(&dev->i2c_bus[0]); 1477 } 1478 EXPORT_SYMBOL_GPL(cx231xx_dev_uninit); 1479 1480 /***************************************************************** 1481 * G P I O related functions * 1482 ******************************************************************/ 1483 int cx231xx_send_gpio_cmd(struct cx231xx *dev, u32 gpio_bit, u8 *gpio_val, 1484 u8 len, u8 request, u8 direction) 1485 { 1486 int status = 0; 1487 struct VENDOR_REQUEST_IN ven_req; 1488 1489 /* Set wValue */ 1490 ven_req.wValue = (u16) (gpio_bit >> 16 & 0xffff); 1491 1492 /* set request */ 1493 if (!request) { 1494 if (direction) 1495 ven_req.bRequest = VRT_GET_GPIO; /* 0x9 gpio */ 1496 else 1497 ven_req.bRequest = VRT_SET_GPIO; /* 0x8 gpio */ 1498 } else { 1499 if (direction) 1500 ven_req.bRequest = VRT_GET_GPIE; /* 0xb gpie */ 1501 else 1502 ven_req.bRequest = VRT_SET_GPIE; /* 0xa gpie */ 1503 } 1504 1505 /* set index value */ 1506 ven_req.wIndex = (u16) (gpio_bit & 0xffff); 1507 1508 /* set wLength value */ 1509 ven_req.wLength = len; 1510 1511 /* set bData value */ 1512 ven_req.bData = 0; 1513 1514 /* set the buffer for read / write */ 1515 ven_req.pBuff = gpio_val; 1516 1517 /* set the direction */ 1518 if (direction) { 1519 ven_req.direction = USB_DIR_IN; 1520 memset(ven_req.pBuff, 0x00, ven_req.wLength); 1521 } else 1522 ven_req.direction = USB_DIR_OUT; 1523 1524 1525 /* call common vendor command request */ 1526 status = cx231xx_send_vendor_cmd(dev, &ven_req); 1527 if (status < 0) { 1528 dev_err(dev->dev, "%s: failed with status -%d\n", 1529 __func__, status); 1530 } 1531 1532 return status; 1533 } 1534 EXPORT_SYMBOL_GPL(cx231xx_send_gpio_cmd); 1535 1536 /***************************************************************** 1537 * C O N T R O L - Register R E A D / W R I T E functions * 1538 *****************************************************************/ 1539 int cx231xx_mode_register(struct cx231xx *dev, u16 address, u32 mode) 1540 { 1541 u8 value[4] = { 0x0, 0x0, 0x0, 0x0 }; 1542 u32 tmp = 0; 1543 int status = 0; 1544 1545 status = 1546 cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, address, value, 4); 1547 if (status < 0) 1548 return status; 1549 1550 tmp = le32_to_cpu(*((__le32 *) value)); 1551 tmp |= mode; 1552 1553 value[0] = (u8) tmp; 1554 value[1] = (u8) (tmp >> 8); 1555 value[2] = (u8) (tmp >> 16); 1556 value[3] = (u8) (tmp >> 24); 1557 1558 status = 1559 cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, address, value, 4); 1560 1561 return status; 1562 } 1563 1564 /***************************************************************** 1565 * I 2 C Internal C O N T R O L functions * 1566 *****************************************************************/ 1567 int cx231xx_read_i2c_master(struct cx231xx *dev, u8 dev_addr, u16 saddr, 1568 u8 saddr_len, u32 *data, u8 data_len, int master) 1569 { 1570 int status = 0; 1571 struct cx231xx_i2c_xfer_data req_data; 1572 u8 value[64] = "0"; 1573 1574 if (saddr_len == 0) 1575 saddr = 0; 1576 else if (saddr_len == 1) 1577 saddr &= 0xff; 1578 1579 /* prepare xfer_data struct */ 1580 req_data.dev_addr = dev_addr >> 1; 1581 req_data.direction = I2C_M_RD; 1582 req_data.saddr_len = saddr_len; 1583 req_data.saddr_dat = saddr; 1584 req_data.buf_size = data_len; 1585 req_data.p_buffer = (u8 *) value; 1586 1587 /* usb send command */ 1588 if (master == 0) 1589 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[0], 1590 &req_data); 1591 else if (master == 1) 1592 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[1], 1593 &req_data); 1594 else if (master == 2) 1595 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[2], 1596 &req_data); 1597 1598 if (status >= 0) { 1599 /* Copy the data read back to main buffer */ 1600 if (data_len == 1) 1601 *data = value[0]; 1602 else if (data_len == 4) 1603 *data = 1604 value[0] | value[1] << 8 | value[2] << 16 | value[3] 1605 << 24; 1606 else if (data_len > 4) 1607 *data = value[saddr]; 1608 } 1609 1610 return status; 1611 } 1612 1613 int cx231xx_write_i2c_master(struct cx231xx *dev, u8 dev_addr, u16 saddr, 1614 u8 saddr_len, u32 data, u8 data_len, int master) 1615 { 1616 int status = 0; 1617 u8 value[4] = { 0, 0, 0, 0 }; 1618 struct cx231xx_i2c_xfer_data req_data; 1619 1620 value[0] = (u8) data; 1621 value[1] = (u8) (data >> 8); 1622 value[2] = (u8) (data >> 16); 1623 value[3] = (u8) (data >> 24); 1624 1625 if (saddr_len == 0) 1626 saddr = 0; 1627 else if (saddr_len == 1) 1628 saddr &= 0xff; 1629 1630 /* prepare xfer_data struct */ 1631 req_data.dev_addr = dev_addr >> 1; 1632 req_data.direction = 0; 1633 req_data.saddr_len = saddr_len; 1634 req_data.saddr_dat = saddr; 1635 req_data.buf_size = data_len; 1636 req_data.p_buffer = value; 1637 1638 /* usb send command */ 1639 if (master == 0) 1640 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[0], 1641 &req_data); 1642 else if (master == 1) 1643 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[1], 1644 &req_data); 1645 else if (master == 2) 1646 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[2], 1647 &req_data); 1648 1649 return status; 1650 } 1651 1652 int cx231xx_read_i2c_data(struct cx231xx *dev, u8 dev_addr, u16 saddr, 1653 u8 saddr_len, u32 *data, u8 data_len) 1654 { 1655 int status = 0; 1656 struct cx231xx_i2c_xfer_data req_data; 1657 u8 value[4] = { 0, 0, 0, 0 }; 1658 1659 if (saddr_len == 0) 1660 saddr = 0; 1661 else if (saddr_len == 1) 1662 saddr &= 0xff; 1663 1664 /* prepare xfer_data struct */ 1665 req_data.dev_addr = dev_addr >> 1; 1666 req_data.direction = I2C_M_RD; 1667 req_data.saddr_len = saddr_len; 1668 req_data.saddr_dat = saddr; 1669 req_data.buf_size = data_len; 1670 req_data.p_buffer = (u8 *) value; 1671 1672 /* usb send command */ 1673 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[0], &req_data); 1674 1675 if (status >= 0) { 1676 /* Copy the data read back to main buffer */ 1677 if (data_len == 1) 1678 *data = value[0]; 1679 else 1680 *data = 1681 value[0] | value[1] << 8 | value[2] << 16 | value[3] 1682 << 24; 1683 } 1684 1685 return status; 1686 } 1687 1688 int cx231xx_write_i2c_data(struct cx231xx *dev, u8 dev_addr, u16 saddr, 1689 u8 saddr_len, u32 data, u8 data_len) 1690 { 1691 int status = 0; 1692 u8 value[4] = { 0, 0, 0, 0 }; 1693 struct cx231xx_i2c_xfer_data req_data; 1694 1695 value[0] = (u8) data; 1696 value[1] = (u8) (data >> 8); 1697 value[2] = (u8) (data >> 16); 1698 value[3] = (u8) (data >> 24); 1699 1700 if (saddr_len == 0) 1701 saddr = 0; 1702 else if (saddr_len == 1) 1703 saddr &= 0xff; 1704 1705 /* prepare xfer_data struct */ 1706 req_data.dev_addr = dev_addr >> 1; 1707 req_data.direction = 0; 1708 req_data.saddr_len = saddr_len; 1709 req_data.saddr_dat = saddr; 1710 req_data.buf_size = data_len; 1711 req_data.p_buffer = value; 1712 1713 /* usb send command */ 1714 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[0], &req_data); 1715 1716 return status; 1717 } 1718 1719 int cx231xx_reg_mask_write(struct cx231xx *dev, u8 dev_addr, u8 size, 1720 u16 register_address, u8 bit_start, u8 bit_end, 1721 u32 value) 1722 { 1723 int status = 0; 1724 u32 tmp; 1725 u32 mask = 0; 1726 int i; 1727 1728 if (bit_start > (size - 1) || bit_end > (size - 1)) 1729 return -1; 1730 1731 if (size == 8) { 1732 status = 1733 cx231xx_read_i2c_data(dev, dev_addr, register_address, 2, 1734 &tmp, 1); 1735 } else { 1736 status = 1737 cx231xx_read_i2c_data(dev, dev_addr, register_address, 2, 1738 &tmp, 4); 1739 } 1740 1741 if (status < 0) 1742 return status; 1743 1744 mask = 1 << bit_end; 1745 for (i = bit_end; i > bit_start && i > 0; i--) 1746 mask = mask + (1 << (i - 1)); 1747 1748 value <<= bit_start; 1749 1750 if (size == 8) { 1751 tmp &= ~mask; 1752 tmp |= value; 1753 tmp &= 0xff; 1754 status = 1755 cx231xx_write_i2c_data(dev, dev_addr, register_address, 2, 1756 tmp, 1); 1757 } else { 1758 tmp &= ~mask; 1759 tmp |= value; 1760 status = 1761 cx231xx_write_i2c_data(dev, dev_addr, register_address, 2, 1762 tmp, 4); 1763 } 1764 1765 return status; 1766 } 1767 1768 int cx231xx_read_modify_write_i2c_dword(struct cx231xx *dev, u8 dev_addr, 1769 u16 saddr, u32 mask, u32 value) 1770 { 1771 u32 temp; 1772 int status = 0; 1773 1774 status = cx231xx_read_i2c_data(dev, dev_addr, saddr, 2, &temp, 4); 1775 1776 if (status < 0) 1777 return status; 1778 1779 temp &= ~mask; 1780 temp |= value; 1781 1782 status = cx231xx_write_i2c_data(dev, dev_addr, saddr, 2, temp, 4); 1783 1784 return status; 1785 } 1786 1787 u32 cx231xx_set_field(u32 field_mask, u32 data) 1788 { 1789 u32 temp; 1790 1791 for (temp = field_mask; (temp & 1) == 0; temp >>= 1) 1792 data <<= 1; 1793 1794 return data; 1795 } 1796