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 unsigned long flags; 803 int i; 804 805 switch (urb->status) { 806 case 0: /* success */ 807 case -ETIMEDOUT: /* NAK */ 808 break; 809 case -ECONNRESET: /* kill */ 810 case -ENOENT: 811 case -ESHUTDOWN: 812 return; 813 default: /* error */ 814 cx231xx_isocdbg("urb completion error %d.\n", urb->status); 815 break; 816 } 817 818 /* Copy data from URB */ 819 spin_lock_irqsave(&dev->video_mode.slock, flags); 820 dev->video_mode.isoc_ctl.isoc_copy(dev, urb); 821 spin_unlock_irqrestore(&dev->video_mode.slock, flags); 822 823 /* Reset urb buffers */ 824 for (i = 0; i < urb->number_of_packets; i++) { 825 urb->iso_frame_desc[i].status = 0; 826 urb->iso_frame_desc[i].actual_length = 0; 827 } 828 829 urb->status = usb_submit_urb(urb, GFP_ATOMIC); 830 if (urb->status) { 831 cx231xx_isocdbg("urb resubmit failed (error=%i)\n", 832 urb->status); 833 } 834 } 835 /***************************************************************** 836 * URB Streaming functions * 837 ******************************************************************/ 838 839 /* 840 * IRQ callback, called by URB callback 841 */ 842 static void cx231xx_bulk_irq_callback(struct urb *urb) 843 { 844 struct cx231xx_dmaqueue *dma_q = urb->context; 845 struct cx231xx_video_mode *vmode = 846 container_of(dma_q, struct cx231xx_video_mode, vidq); 847 struct cx231xx *dev = container_of(vmode, struct cx231xx, video_mode); 848 unsigned long flags; 849 850 switch (urb->status) { 851 case 0: /* success */ 852 case -ETIMEDOUT: /* NAK */ 853 break; 854 case -ECONNRESET: /* kill */ 855 case -ENOENT: 856 case -ESHUTDOWN: 857 return; 858 case -EPIPE: /* stall */ 859 cx231xx_isocdbg("urb completion error - device is stalled.\n"); 860 return; 861 default: /* error */ 862 cx231xx_isocdbg("urb completion error %d.\n", urb->status); 863 break; 864 } 865 866 /* Copy data from URB */ 867 spin_lock_irqsave(&dev->video_mode.slock, flags); 868 dev->video_mode.bulk_ctl.bulk_copy(dev, urb); 869 spin_unlock_irqrestore(&dev->video_mode.slock, flags); 870 871 /* Reset urb buffers */ 872 urb->status = usb_submit_urb(urb, GFP_ATOMIC); 873 if (urb->status) { 874 cx231xx_isocdbg("urb resubmit failed (error=%i)\n", 875 urb->status); 876 } 877 } 878 /* 879 * Stop and Deallocate URBs 880 */ 881 void cx231xx_uninit_isoc(struct cx231xx *dev) 882 { 883 struct cx231xx_dmaqueue *dma_q = &dev->video_mode.vidq; 884 struct urb *urb; 885 int i; 886 bool broken_pipe = false; 887 888 cx231xx_isocdbg("cx231xx: called cx231xx_uninit_isoc\n"); 889 890 dev->video_mode.isoc_ctl.nfields = -1; 891 for (i = 0; i < dev->video_mode.isoc_ctl.num_bufs; i++) { 892 urb = dev->video_mode.isoc_ctl.urb[i]; 893 if (urb) { 894 if (!irqs_disabled()) 895 usb_kill_urb(urb); 896 else 897 usb_unlink_urb(urb); 898 899 if (dev->video_mode.isoc_ctl.transfer_buffer[i]) { 900 usb_free_coherent(dev->udev, 901 urb->transfer_buffer_length, 902 dev->video_mode.isoc_ctl. 903 transfer_buffer[i], 904 urb->transfer_dma); 905 } 906 if (urb->status == -EPIPE) { 907 broken_pipe = true; 908 } 909 usb_free_urb(urb); 910 dev->video_mode.isoc_ctl.urb[i] = NULL; 911 } 912 dev->video_mode.isoc_ctl.transfer_buffer[i] = NULL; 913 } 914 915 if (broken_pipe) { 916 cx231xx_isocdbg("Reset endpoint to recover broken pipe."); 917 usb_reset_endpoint(dev->udev, dev->video_mode.end_point_addr); 918 } 919 kfree(dev->video_mode.isoc_ctl.urb); 920 kfree(dev->video_mode.isoc_ctl.transfer_buffer); 921 kfree(dma_q->p_left_data); 922 923 dev->video_mode.isoc_ctl.urb = NULL; 924 dev->video_mode.isoc_ctl.transfer_buffer = NULL; 925 dev->video_mode.isoc_ctl.num_bufs = 0; 926 dma_q->p_left_data = NULL; 927 928 if (dev->mode_tv == 0) 929 cx231xx_capture_start(dev, 0, Raw_Video); 930 else 931 cx231xx_capture_start(dev, 0, TS1_serial_mode); 932 933 934 } 935 EXPORT_SYMBOL_GPL(cx231xx_uninit_isoc); 936 937 /* 938 * Stop and Deallocate URBs 939 */ 940 void cx231xx_uninit_bulk(struct cx231xx *dev) 941 { 942 struct cx231xx_dmaqueue *dma_q = &dev->video_mode.vidq; 943 struct urb *urb; 944 int i; 945 bool broken_pipe = false; 946 947 cx231xx_isocdbg("cx231xx: called cx231xx_uninit_bulk\n"); 948 949 dev->video_mode.bulk_ctl.nfields = -1; 950 for (i = 0; i < dev->video_mode.bulk_ctl.num_bufs; i++) { 951 urb = dev->video_mode.bulk_ctl.urb[i]; 952 if (urb) { 953 if (!irqs_disabled()) 954 usb_kill_urb(urb); 955 else 956 usb_unlink_urb(urb); 957 958 if (dev->video_mode.bulk_ctl.transfer_buffer[i]) { 959 usb_free_coherent(dev->udev, 960 urb->transfer_buffer_length, 961 dev->video_mode.bulk_ctl. 962 transfer_buffer[i], 963 urb->transfer_dma); 964 } 965 if (urb->status == -EPIPE) { 966 broken_pipe = true; 967 } 968 usb_free_urb(urb); 969 dev->video_mode.bulk_ctl.urb[i] = NULL; 970 } 971 dev->video_mode.bulk_ctl.transfer_buffer[i] = NULL; 972 } 973 974 if (broken_pipe) { 975 cx231xx_isocdbg("Reset endpoint to recover broken pipe."); 976 usb_reset_endpoint(dev->udev, dev->video_mode.end_point_addr); 977 } 978 kfree(dev->video_mode.bulk_ctl.urb); 979 kfree(dev->video_mode.bulk_ctl.transfer_buffer); 980 kfree(dma_q->p_left_data); 981 982 dev->video_mode.bulk_ctl.urb = NULL; 983 dev->video_mode.bulk_ctl.transfer_buffer = NULL; 984 dev->video_mode.bulk_ctl.num_bufs = 0; 985 dma_q->p_left_data = NULL; 986 987 if (dev->mode_tv == 0) 988 cx231xx_capture_start(dev, 0, Raw_Video); 989 else 990 cx231xx_capture_start(dev, 0, TS1_serial_mode); 991 992 993 } 994 EXPORT_SYMBOL_GPL(cx231xx_uninit_bulk); 995 996 /* 997 * Allocate URBs and start IRQ 998 */ 999 int cx231xx_init_isoc(struct cx231xx *dev, int max_packets, 1000 int num_bufs, int max_pkt_size, 1001 int (*isoc_copy) (struct cx231xx *dev, struct urb *urb)) 1002 { 1003 struct cx231xx_dmaqueue *dma_q = &dev->video_mode.vidq; 1004 int i; 1005 int sb_size, pipe; 1006 struct urb *urb; 1007 int j, k; 1008 int rc; 1009 1010 /* De-allocates all pending stuff */ 1011 cx231xx_uninit_isoc(dev); 1012 1013 dma_q->p_left_data = kzalloc(4096, GFP_KERNEL); 1014 if (dma_q->p_left_data == NULL) 1015 return -ENOMEM; 1016 1017 dev->video_mode.isoc_ctl.isoc_copy = isoc_copy; 1018 dev->video_mode.isoc_ctl.num_bufs = num_bufs; 1019 dma_q->pos = 0; 1020 dma_q->is_partial_line = 0; 1021 dma_q->last_sav = 0; 1022 dma_q->current_field = -1; 1023 dma_q->field1_done = 0; 1024 dma_q->lines_per_field = dev->height / 2; 1025 dma_q->bytes_left_in_line = dev->width << 1; 1026 dma_q->lines_completed = 0; 1027 dma_q->mpeg_buffer_done = 0; 1028 dma_q->left_data_count = 0; 1029 dma_q->mpeg_buffer_completed = 0; 1030 dma_q->add_ps_package_head = CX231XX_NEED_ADD_PS_PACKAGE_HEAD; 1031 dma_q->ps_head[0] = 0x00; 1032 dma_q->ps_head[1] = 0x00; 1033 dma_q->ps_head[2] = 0x01; 1034 dma_q->ps_head[3] = 0xBA; 1035 for (i = 0; i < 8; i++) 1036 dma_q->partial_buf[i] = 0; 1037 1038 dev->video_mode.isoc_ctl.urb = 1039 kcalloc(num_bufs, sizeof(void *), GFP_KERNEL); 1040 if (!dev->video_mode.isoc_ctl.urb) { 1041 dev_err(dev->dev, 1042 "cannot alloc memory for usb buffers\n"); 1043 return -ENOMEM; 1044 } 1045 1046 dev->video_mode.isoc_ctl.transfer_buffer = 1047 kcalloc(num_bufs, sizeof(void *), GFP_KERNEL); 1048 if (!dev->video_mode.isoc_ctl.transfer_buffer) { 1049 dev_err(dev->dev, 1050 "cannot allocate memory for usbtransfer\n"); 1051 kfree(dev->video_mode.isoc_ctl.urb); 1052 return -ENOMEM; 1053 } 1054 1055 dev->video_mode.isoc_ctl.max_pkt_size = max_pkt_size; 1056 dev->video_mode.isoc_ctl.buf = NULL; 1057 1058 sb_size = max_packets * dev->video_mode.isoc_ctl.max_pkt_size; 1059 1060 if (dev->mode_tv == 1) 1061 dev->video_mode.end_point_addr = 0x81; 1062 else 1063 dev->video_mode.end_point_addr = 0x84; 1064 1065 1066 /* allocate urbs and transfer buffers */ 1067 for (i = 0; i < dev->video_mode.isoc_ctl.num_bufs; i++) { 1068 urb = usb_alloc_urb(max_packets, GFP_KERNEL); 1069 if (!urb) { 1070 cx231xx_uninit_isoc(dev); 1071 return -ENOMEM; 1072 } 1073 dev->video_mode.isoc_ctl.urb[i] = urb; 1074 1075 dev->video_mode.isoc_ctl.transfer_buffer[i] = 1076 usb_alloc_coherent(dev->udev, sb_size, GFP_KERNEL, 1077 &urb->transfer_dma); 1078 if (!dev->video_mode.isoc_ctl.transfer_buffer[i]) { 1079 dev_err(dev->dev, 1080 "unable to allocate %i bytes for transfer buffer %i%s\n", 1081 sb_size, i, 1082 in_interrupt() ? " while in int" : ""); 1083 cx231xx_uninit_isoc(dev); 1084 return -ENOMEM; 1085 } 1086 memset(dev->video_mode.isoc_ctl.transfer_buffer[i], 0, sb_size); 1087 1088 pipe = 1089 usb_rcvisocpipe(dev->udev, dev->video_mode.end_point_addr); 1090 1091 usb_fill_int_urb(urb, dev->udev, pipe, 1092 dev->video_mode.isoc_ctl.transfer_buffer[i], 1093 sb_size, cx231xx_isoc_irq_callback, dma_q, 1); 1094 1095 urb->number_of_packets = max_packets; 1096 urb->transfer_flags = URB_ISO_ASAP | URB_NO_TRANSFER_DMA_MAP; 1097 1098 k = 0; 1099 for (j = 0; j < max_packets; j++) { 1100 urb->iso_frame_desc[j].offset = k; 1101 urb->iso_frame_desc[j].length = 1102 dev->video_mode.isoc_ctl.max_pkt_size; 1103 k += dev->video_mode.isoc_ctl.max_pkt_size; 1104 } 1105 } 1106 1107 init_waitqueue_head(&dma_q->wq); 1108 1109 /* submit urbs and enables IRQ */ 1110 for (i = 0; i < dev->video_mode.isoc_ctl.num_bufs; i++) { 1111 rc = usb_submit_urb(dev->video_mode.isoc_ctl.urb[i], 1112 GFP_ATOMIC); 1113 if (rc) { 1114 dev_err(dev->dev, 1115 "submit of urb %i failed (error=%i)\n", i, 1116 rc); 1117 cx231xx_uninit_isoc(dev); 1118 return rc; 1119 } 1120 } 1121 1122 if (dev->mode_tv == 0) 1123 cx231xx_capture_start(dev, 1, Raw_Video); 1124 else 1125 cx231xx_capture_start(dev, 1, TS1_serial_mode); 1126 1127 return 0; 1128 } 1129 EXPORT_SYMBOL_GPL(cx231xx_init_isoc); 1130 1131 /* 1132 * Allocate URBs and start IRQ 1133 */ 1134 int cx231xx_init_bulk(struct cx231xx *dev, int max_packets, 1135 int num_bufs, int max_pkt_size, 1136 int (*bulk_copy) (struct cx231xx *dev, struct urb *urb)) 1137 { 1138 struct cx231xx_dmaqueue *dma_q = &dev->video_mode.vidq; 1139 int i; 1140 int sb_size, pipe; 1141 struct urb *urb; 1142 int rc; 1143 1144 dev->video_input = dev->video_input > 2 ? 2 : dev->video_input; 1145 1146 cx231xx_coredbg("Setting Video mux to %d\n", dev->video_input); 1147 1148 video_mux(dev, dev->video_input); 1149 1150 /* De-allocates all pending stuff */ 1151 cx231xx_uninit_bulk(dev); 1152 1153 dev->video_mode.bulk_ctl.bulk_copy = bulk_copy; 1154 dev->video_mode.bulk_ctl.num_bufs = num_bufs; 1155 dma_q->pos = 0; 1156 dma_q->is_partial_line = 0; 1157 dma_q->last_sav = 0; 1158 dma_q->current_field = -1; 1159 dma_q->field1_done = 0; 1160 dma_q->lines_per_field = dev->height / 2; 1161 dma_q->bytes_left_in_line = dev->width << 1; 1162 dma_q->lines_completed = 0; 1163 dma_q->mpeg_buffer_done = 0; 1164 dma_q->left_data_count = 0; 1165 dma_q->mpeg_buffer_completed = 0; 1166 dma_q->ps_head[0] = 0x00; 1167 dma_q->ps_head[1] = 0x00; 1168 dma_q->ps_head[2] = 0x01; 1169 dma_q->ps_head[3] = 0xBA; 1170 for (i = 0; i < 8; i++) 1171 dma_q->partial_buf[i] = 0; 1172 1173 dev->video_mode.bulk_ctl.urb = 1174 kcalloc(num_bufs, sizeof(void *), GFP_KERNEL); 1175 if (!dev->video_mode.bulk_ctl.urb) { 1176 dev_err(dev->dev, 1177 "cannot alloc memory for usb buffers\n"); 1178 return -ENOMEM; 1179 } 1180 1181 dev->video_mode.bulk_ctl.transfer_buffer = 1182 kcalloc(num_bufs, sizeof(void *), GFP_KERNEL); 1183 if (!dev->video_mode.bulk_ctl.transfer_buffer) { 1184 dev_err(dev->dev, 1185 "cannot allocate memory for usbtransfer\n"); 1186 kfree(dev->video_mode.bulk_ctl.urb); 1187 return -ENOMEM; 1188 } 1189 1190 dev->video_mode.bulk_ctl.max_pkt_size = max_pkt_size; 1191 dev->video_mode.bulk_ctl.buf = NULL; 1192 1193 sb_size = max_packets * dev->video_mode.bulk_ctl.max_pkt_size; 1194 1195 if (dev->mode_tv == 1) 1196 dev->video_mode.end_point_addr = 0x81; 1197 else 1198 dev->video_mode.end_point_addr = 0x84; 1199 1200 1201 /* allocate urbs and transfer buffers */ 1202 for (i = 0; i < dev->video_mode.bulk_ctl.num_bufs; i++) { 1203 urb = usb_alloc_urb(0, GFP_KERNEL); 1204 if (!urb) { 1205 cx231xx_uninit_bulk(dev); 1206 return -ENOMEM; 1207 } 1208 dev->video_mode.bulk_ctl.urb[i] = urb; 1209 urb->transfer_flags = URB_NO_TRANSFER_DMA_MAP; 1210 1211 dev->video_mode.bulk_ctl.transfer_buffer[i] = 1212 usb_alloc_coherent(dev->udev, sb_size, GFP_KERNEL, 1213 &urb->transfer_dma); 1214 if (!dev->video_mode.bulk_ctl.transfer_buffer[i]) { 1215 dev_err(dev->dev, 1216 "unable to allocate %i bytes for transfer buffer %i%s\n", 1217 sb_size, i, 1218 in_interrupt() ? " while in int" : ""); 1219 cx231xx_uninit_bulk(dev); 1220 return -ENOMEM; 1221 } 1222 memset(dev->video_mode.bulk_ctl.transfer_buffer[i], 0, sb_size); 1223 1224 pipe = usb_rcvbulkpipe(dev->udev, 1225 dev->video_mode.end_point_addr); 1226 usb_fill_bulk_urb(urb, dev->udev, pipe, 1227 dev->video_mode.bulk_ctl.transfer_buffer[i], 1228 sb_size, cx231xx_bulk_irq_callback, dma_q); 1229 } 1230 1231 /* clear halt */ 1232 rc = usb_clear_halt(dev->udev, dev->video_mode.bulk_ctl.urb[0]->pipe); 1233 if (rc < 0) { 1234 dev_err(dev->dev, 1235 "failed to clear USB bulk endpoint stall/halt condition (error=%i)\n", 1236 rc); 1237 cx231xx_uninit_bulk(dev); 1238 return rc; 1239 } 1240 1241 init_waitqueue_head(&dma_q->wq); 1242 1243 /* submit urbs and enables IRQ */ 1244 for (i = 0; i < dev->video_mode.bulk_ctl.num_bufs; i++) { 1245 rc = usb_submit_urb(dev->video_mode.bulk_ctl.urb[i], 1246 GFP_ATOMIC); 1247 if (rc) { 1248 dev_err(dev->dev, 1249 "submit of urb %i failed (error=%i)\n", i, rc); 1250 cx231xx_uninit_bulk(dev); 1251 return rc; 1252 } 1253 } 1254 1255 if (dev->mode_tv == 0) 1256 cx231xx_capture_start(dev, 1, Raw_Video); 1257 else 1258 cx231xx_capture_start(dev, 1, TS1_serial_mode); 1259 1260 return 0; 1261 } 1262 EXPORT_SYMBOL_GPL(cx231xx_init_bulk); 1263 void cx231xx_stop_TS1(struct cx231xx *dev) 1264 { 1265 u8 val[4] = { 0, 0, 0, 0 }; 1266 1267 val[0] = 0x00; 1268 val[1] = 0x03; 1269 val[2] = 0x00; 1270 val[3] = 0x00; 1271 cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, 1272 TS_MODE_REG, val, 4); 1273 1274 val[0] = 0x00; 1275 val[1] = 0x70; 1276 val[2] = 0x04; 1277 val[3] = 0x00; 1278 cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, 1279 TS1_CFG_REG, val, 4); 1280 } 1281 /* EXPORT_SYMBOL_GPL(cx231xx_stop_TS1); */ 1282 void cx231xx_start_TS1(struct cx231xx *dev) 1283 { 1284 u8 val[4] = { 0, 0, 0, 0 }; 1285 1286 val[0] = 0x03; 1287 val[1] = 0x03; 1288 val[2] = 0x00; 1289 val[3] = 0x00; 1290 cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, 1291 TS_MODE_REG, val, 4); 1292 1293 val[0] = 0x04; 1294 val[1] = 0xA3; 1295 val[2] = 0x3B; 1296 val[3] = 0x00; 1297 cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, 1298 TS1_CFG_REG, val, 4); 1299 } 1300 /* EXPORT_SYMBOL_GPL(cx231xx_start_TS1); */ 1301 /***************************************************************** 1302 * Device Init/UnInit functions * 1303 ******************************************************************/ 1304 int cx231xx_dev_init(struct cx231xx *dev) 1305 { 1306 int errCode = 0; 1307 1308 /* Initialize I2C bus */ 1309 1310 /* External Master 1 Bus */ 1311 dev->i2c_bus[0].nr = 0; 1312 dev->i2c_bus[0].dev = dev; 1313 dev->i2c_bus[0].i2c_period = I2C_SPEED_100K; /* 100 KHz */ 1314 dev->i2c_bus[0].i2c_nostop = 0; 1315 dev->i2c_bus[0].i2c_reserve = 0; 1316 dev->i2c_bus[0].i2c_rc = -ENODEV; 1317 1318 /* External Master 2 Bus */ 1319 dev->i2c_bus[1].nr = 1; 1320 dev->i2c_bus[1].dev = dev; 1321 dev->i2c_bus[1].i2c_period = I2C_SPEED_100K; /* 100 KHz */ 1322 dev->i2c_bus[1].i2c_nostop = 0; 1323 dev->i2c_bus[1].i2c_reserve = 0; 1324 dev->i2c_bus[1].i2c_rc = -ENODEV; 1325 1326 /* Internal Master 3 Bus */ 1327 dev->i2c_bus[2].nr = 2; 1328 dev->i2c_bus[2].dev = dev; 1329 dev->i2c_bus[2].i2c_period = I2C_SPEED_100K; /* 100kHz */ 1330 dev->i2c_bus[2].i2c_nostop = 0; 1331 dev->i2c_bus[2].i2c_reserve = 0; 1332 dev->i2c_bus[2].i2c_rc = -ENODEV; 1333 1334 /* register I2C buses */ 1335 errCode = cx231xx_i2c_register(&dev->i2c_bus[0]); 1336 if (errCode < 0) 1337 return errCode; 1338 errCode = cx231xx_i2c_register(&dev->i2c_bus[1]); 1339 if (errCode < 0) 1340 return errCode; 1341 errCode = cx231xx_i2c_register(&dev->i2c_bus[2]); 1342 if (errCode < 0) 1343 return errCode; 1344 1345 errCode = cx231xx_i2c_mux_create(dev); 1346 if (errCode < 0) { 1347 dev_err(dev->dev, 1348 "%s: Failed to create I2C mux\n", __func__); 1349 return errCode; 1350 } 1351 errCode = cx231xx_i2c_mux_register(dev, 0); 1352 if (errCode < 0) 1353 return errCode; 1354 1355 errCode = cx231xx_i2c_mux_register(dev, 1); 1356 if (errCode < 0) 1357 return errCode; 1358 1359 /* scan the real bus segments in the order of physical port numbers */ 1360 cx231xx_do_i2c_scan(dev, I2C_0); 1361 cx231xx_do_i2c_scan(dev, I2C_1_MUX_1); 1362 cx231xx_do_i2c_scan(dev, I2C_2); 1363 cx231xx_do_i2c_scan(dev, I2C_1_MUX_3); 1364 1365 /* init hardware */ 1366 /* Note : with out calling set power mode function, 1367 afe can not be set up correctly */ 1368 if (dev->board.external_av) { 1369 errCode = cx231xx_set_power_mode(dev, 1370 POLARIS_AVMODE_ENXTERNAL_AV); 1371 if (errCode < 0) { 1372 dev_err(dev->dev, 1373 "%s: Failed to set Power - errCode [%d]!\n", 1374 __func__, errCode); 1375 return errCode; 1376 } 1377 } else { 1378 errCode = cx231xx_set_power_mode(dev, 1379 POLARIS_AVMODE_ANALOGT_TV); 1380 if (errCode < 0) { 1381 dev_err(dev->dev, 1382 "%s: Failed to set Power - errCode [%d]!\n", 1383 __func__, errCode); 1384 return errCode; 1385 } 1386 } 1387 1388 /* reset the Tuner, if it is a Xceive tuner */ 1389 if ((dev->board.tuner_type == TUNER_XC5000) || 1390 (dev->board.tuner_type == TUNER_XC2028)) 1391 cx231xx_gpio_set(dev, dev->board.tuner_gpio); 1392 1393 /* initialize Colibri block */ 1394 errCode = cx231xx_afe_init_super_block(dev, 0x23c); 1395 if (errCode < 0) { 1396 dev_err(dev->dev, 1397 "%s: cx231xx_afe init super block - errCode [%d]!\n", 1398 __func__, errCode); 1399 return errCode; 1400 } 1401 errCode = cx231xx_afe_init_channels(dev); 1402 if (errCode < 0) { 1403 dev_err(dev->dev, 1404 "%s: cx231xx_afe init channels - errCode [%d]!\n", 1405 __func__, errCode); 1406 return errCode; 1407 } 1408 1409 /* Set DIF in By pass mode */ 1410 errCode = cx231xx_dif_set_standard(dev, DIF_USE_BASEBAND); 1411 if (errCode < 0) { 1412 dev_err(dev->dev, 1413 "%s: cx231xx_dif set to By pass mode - errCode [%d]!\n", 1414 __func__, errCode); 1415 return errCode; 1416 } 1417 1418 /* I2S block related functions */ 1419 errCode = cx231xx_i2s_blk_initialize(dev); 1420 if (errCode < 0) { 1421 dev_err(dev->dev, 1422 "%s: cx231xx_i2s block initialize - errCode [%d]!\n", 1423 __func__, errCode); 1424 return errCode; 1425 } 1426 1427 /* init control pins */ 1428 errCode = cx231xx_init_ctrl_pin_status(dev); 1429 if (errCode < 0) { 1430 dev_err(dev->dev, 1431 "%s: cx231xx_init ctrl pins - errCode [%d]!\n", 1432 __func__, errCode); 1433 return errCode; 1434 } 1435 1436 /* set AGC mode to Analog */ 1437 switch (dev->model) { 1438 case CX231XX_BOARD_CNXT_CARRAERA: 1439 case CX231XX_BOARD_CNXT_RDE_250: 1440 case CX231XX_BOARD_CNXT_SHELBY: 1441 case CX231XX_BOARD_CNXT_RDU_250: 1442 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 1); 1443 break; 1444 case CX231XX_BOARD_CNXT_RDE_253S: 1445 case CX231XX_BOARD_CNXT_RDU_253S: 1446 case CX231XX_BOARD_HAUPPAUGE_EXETER: 1447 case CX231XX_BOARD_HAUPPAUGE_930C_HD_1113xx: 1448 case CX231XX_BOARD_PV_PLAYTV_USB_HYBRID: 1449 case CX231XX_BOARD_HAUPPAUGE_USB2_FM_PAL: 1450 case CX231XX_BOARD_HAUPPAUGE_USB2_FM_NTSC: 1451 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 0); 1452 break; 1453 default: 1454 break; 1455 } 1456 if (errCode < 0) { 1457 dev_err(dev->dev, 1458 "%s: cx231xx_AGC mode to Analog - errCode [%d]!\n", 1459 __func__, errCode); 1460 return errCode; 1461 } 1462 1463 /* set all alternate settings to zero initially */ 1464 cx231xx_set_alt_setting(dev, INDEX_VIDEO, 0); 1465 cx231xx_set_alt_setting(dev, INDEX_VANC, 0); 1466 cx231xx_set_alt_setting(dev, INDEX_HANC, 0); 1467 if (dev->board.has_dvb) 1468 cx231xx_set_alt_setting(dev, INDEX_TS1, 0); 1469 1470 errCode = 0; 1471 return errCode; 1472 } 1473 EXPORT_SYMBOL_GPL(cx231xx_dev_init); 1474 1475 void cx231xx_dev_uninit(struct cx231xx *dev) 1476 { 1477 /* Un Initialize I2C bus */ 1478 cx231xx_i2c_mux_unregister(dev); 1479 cx231xx_i2c_unregister(&dev->i2c_bus[2]); 1480 cx231xx_i2c_unregister(&dev->i2c_bus[1]); 1481 cx231xx_i2c_unregister(&dev->i2c_bus[0]); 1482 } 1483 EXPORT_SYMBOL_GPL(cx231xx_dev_uninit); 1484 1485 /***************************************************************** 1486 * G P I O related functions * 1487 ******************************************************************/ 1488 int cx231xx_send_gpio_cmd(struct cx231xx *dev, u32 gpio_bit, u8 *gpio_val, 1489 u8 len, u8 request, u8 direction) 1490 { 1491 int status = 0; 1492 struct VENDOR_REQUEST_IN ven_req; 1493 1494 /* Set wValue */ 1495 ven_req.wValue = (u16) (gpio_bit >> 16 & 0xffff); 1496 1497 /* set request */ 1498 if (!request) { 1499 if (direction) 1500 ven_req.bRequest = VRT_GET_GPIO; /* 0x9 gpio */ 1501 else 1502 ven_req.bRequest = VRT_SET_GPIO; /* 0x8 gpio */ 1503 } else { 1504 if (direction) 1505 ven_req.bRequest = VRT_GET_GPIE; /* 0xb gpie */ 1506 else 1507 ven_req.bRequest = VRT_SET_GPIE; /* 0xa gpie */ 1508 } 1509 1510 /* set index value */ 1511 ven_req.wIndex = (u16) (gpio_bit & 0xffff); 1512 1513 /* set wLength value */ 1514 ven_req.wLength = len; 1515 1516 /* set bData value */ 1517 ven_req.bData = 0; 1518 1519 /* set the buffer for read / write */ 1520 ven_req.pBuff = gpio_val; 1521 1522 /* set the direction */ 1523 if (direction) { 1524 ven_req.direction = USB_DIR_IN; 1525 memset(ven_req.pBuff, 0x00, ven_req.wLength); 1526 } else 1527 ven_req.direction = USB_DIR_OUT; 1528 1529 1530 /* call common vendor command request */ 1531 status = cx231xx_send_vendor_cmd(dev, &ven_req); 1532 if (status < 0) { 1533 dev_err(dev->dev, "%s: failed with status -%d\n", 1534 __func__, status); 1535 } 1536 1537 return status; 1538 } 1539 EXPORT_SYMBOL_GPL(cx231xx_send_gpio_cmd); 1540 1541 /***************************************************************** 1542 * C O N T R O L - Register R E A D / W R I T E functions * 1543 *****************************************************************/ 1544 int cx231xx_mode_register(struct cx231xx *dev, u16 address, u32 mode) 1545 { 1546 u8 value[4] = { 0x0, 0x0, 0x0, 0x0 }; 1547 u32 tmp = 0; 1548 int status = 0; 1549 1550 status = 1551 cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, address, value, 4); 1552 if (status < 0) 1553 return status; 1554 1555 tmp = le32_to_cpu(*((__le32 *) value)); 1556 tmp |= mode; 1557 1558 value[0] = (u8) tmp; 1559 value[1] = (u8) (tmp >> 8); 1560 value[2] = (u8) (tmp >> 16); 1561 value[3] = (u8) (tmp >> 24); 1562 1563 status = 1564 cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, address, value, 4); 1565 1566 return status; 1567 } 1568 1569 /***************************************************************** 1570 * I 2 C Internal C O N T R O L functions * 1571 *****************************************************************/ 1572 int cx231xx_read_i2c_master(struct cx231xx *dev, u8 dev_addr, u16 saddr, 1573 u8 saddr_len, u32 *data, u8 data_len, int master) 1574 { 1575 int status = 0; 1576 struct cx231xx_i2c_xfer_data req_data; 1577 u8 value[64] = "0"; 1578 1579 if (saddr_len == 0) 1580 saddr = 0; 1581 else if (saddr_len == 1) 1582 saddr &= 0xff; 1583 1584 /* prepare xfer_data struct */ 1585 req_data.dev_addr = dev_addr >> 1; 1586 req_data.direction = I2C_M_RD; 1587 req_data.saddr_len = saddr_len; 1588 req_data.saddr_dat = saddr; 1589 req_data.buf_size = data_len; 1590 req_data.p_buffer = (u8 *) value; 1591 1592 /* usb send command */ 1593 if (master == 0) 1594 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[0], 1595 &req_data); 1596 else if (master == 1) 1597 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[1], 1598 &req_data); 1599 else if (master == 2) 1600 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[2], 1601 &req_data); 1602 1603 if (status >= 0) { 1604 /* Copy the data read back to main buffer */ 1605 if (data_len == 1) 1606 *data = value[0]; 1607 else if (data_len == 4) 1608 *data = 1609 value[0] | value[1] << 8 | value[2] << 16 | value[3] 1610 << 24; 1611 else if (data_len > 4) 1612 *data = value[saddr]; 1613 } 1614 1615 return status; 1616 } 1617 1618 int cx231xx_write_i2c_master(struct cx231xx *dev, u8 dev_addr, u16 saddr, 1619 u8 saddr_len, u32 data, u8 data_len, int master) 1620 { 1621 int status = 0; 1622 u8 value[4] = { 0, 0, 0, 0 }; 1623 struct cx231xx_i2c_xfer_data req_data; 1624 1625 value[0] = (u8) data; 1626 value[1] = (u8) (data >> 8); 1627 value[2] = (u8) (data >> 16); 1628 value[3] = (u8) (data >> 24); 1629 1630 if (saddr_len == 0) 1631 saddr = 0; 1632 else if (saddr_len == 1) 1633 saddr &= 0xff; 1634 1635 /* prepare xfer_data struct */ 1636 req_data.dev_addr = dev_addr >> 1; 1637 req_data.direction = 0; 1638 req_data.saddr_len = saddr_len; 1639 req_data.saddr_dat = saddr; 1640 req_data.buf_size = data_len; 1641 req_data.p_buffer = value; 1642 1643 /* usb send command */ 1644 if (master == 0) 1645 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[0], 1646 &req_data); 1647 else if (master == 1) 1648 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[1], 1649 &req_data); 1650 else if (master == 2) 1651 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[2], 1652 &req_data); 1653 1654 return status; 1655 } 1656 1657 int cx231xx_read_i2c_data(struct cx231xx *dev, u8 dev_addr, u16 saddr, 1658 u8 saddr_len, u32 *data, u8 data_len) 1659 { 1660 int status = 0; 1661 struct cx231xx_i2c_xfer_data req_data; 1662 u8 value[4] = { 0, 0, 0, 0 }; 1663 1664 if (saddr_len == 0) 1665 saddr = 0; 1666 else if (saddr_len == 1) 1667 saddr &= 0xff; 1668 1669 /* prepare xfer_data struct */ 1670 req_data.dev_addr = dev_addr >> 1; 1671 req_data.direction = I2C_M_RD; 1672 req_data.saddr_len = saddr_len; 1673 req_data.saddr_dat = saddr; 1674 req_data.buf_size = data_len; 1675 req_data.p_buffer = (u8 *) value; 1676 1677 /* usb send command */ 1678 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[0], &req_data); 1679 1680 if (status >= 0) { 1681 /* Copy the data read back to main buffer */ 1682 if (data_len == 1) 1683 *data = value[0]; 1684 else 1685 *data = 1686 value[0] | value[1] << 8 | value[2] << 16 | value[3] 1687 << 24; 1688 } 1689 1690 return status; 1691 } 1692 1693 int cx231xx_write_i2c_data(struct cx231xx *dev, u8 dev_addr, u16 saddr, 1694 u8 saddr_len, u32 data, u8 data_len) 1695 { 1696 int status = 0; 1697 u8 value[4] = { 0, 0, 0, 0 }; 1698 struct cx231xx_i2c_xfer_data req_data; 1699 1700 value[0] = (u8) data; 1701 value[1] = (u8) (data >> 8); 1702 value[2] = (u8) (data >> 16); 1703 value[3] = (u8) (data >> 24); 1704 1705 if (saddr_len == 0) 1706 saddr = 0; 1707 else if (saddr_len == 1) 1708 saddr &= 0xff; 1709 1710 /* prepare xfer_data struct */ 1711 req_data.dev_addr = dev_addr >> 1; 1712 req_data.direction = 0; 1713 req_data.saddr_len = saddr_len; 1714 req_data.saddr_dat = saddr; 1715 req_data.buf_size = data_len; 1716 req_data.p_buffer = value; 1717 1718 /* usb send command */ 1719 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[0], &req_data); 1720 1721 return status; 1722 } 1723 1724 int cx231xx_reg_mask_write(struct cx231xx *dev, u8 dev_addr, u8 size, 1725 u16 register_address, u8 bit_start, u8 bit_end, 1726 u32 value) 1727 { 1728 int status = 0; 1729 u32 tmp; 1730 u32 mask = 0; 1731 int i; 1732 1733 if (bit_start > (size - 1) || bit_end > (size - 1)) 1734 return -1; 1735 1736 if (size == 8) { 1737 status = 1738 cx231xx_read_i2c_data(dev, dev_addr, register_address, 2, 1739 &tmp, 1); 1740 } else { 1741 status = 1742 cx231xx_read_i2c_data(dev, dev_addr, register_address, 2, 1743 &tmp, 4); 1744 } 1745 1746 if (status < 0) 1747 return status; 1748 1749 mask = 1 << bit_end; 1750 for (i = bit_end; i > bit_start && i > 0; i--) 1751 mask = mask + (1 << (i - 1)); 1752 1753 value <<= bit_start; 1754 1755 if (size == 8) { 1756 tmp &= ~mask; 1757 tmp |= value; 1758 tmp &= 0xff; 1759 status = 1760 cx231xx_write_i2c_data(dev, dev_addr, register_address, 2, 1761 tmp, 1); 1762 } else { 1763 tmp &= ~mask; 1764 tmp |= value; 1765 status = 1766 cx231xx_write_i2c_data(dev, dev_addr, register_address, 2, 1767 tmp, 4); 1768 } 1769 1770 return status; 1771 } 1772 1773 int cx231xx_read_modify_write_i2c_dword(struct cx231xx *dev, u8 dev_addr, 1774 u16 saddr, u32 mask, u32 value) 1775 { 1776 u32 temp; 1777 int status = 0; 1778 1779 status = cx231xx_read_i2c_data(dev, dev_addr, saddr, 2, &temp, 4); 1780 1781 if (status < 0) 1782 return status; 1783 1784 temp &= ~mask; 1785 temp |= value; 1786 1787 status = cx231xx_write_i2c_data(dev, dev_addr, saddr, 2, temp, 4); 1788 1789 return status; 1790 } 1791 1792 u32 cx231xx_set_field(u32 field_mask, u32 data) 1793 { 1794 u32 temp; 1795 1796 for (temp = field_mask; (temp & 1) == 0; temp >>= 1) 1797 data <<= 1; 1798 1799 return data; 1800 } 1801