1// SPDX-License-Identifier: GPL-2.0-or-later 2/* 3 cx231xx-core.c - driver for Conexant Cx23100/101/102 4 USB video capture devices 5 6 Copyright (C) 2008 <srinivasa.deevi at conexant dot com> 7 Based on em28xx driver 8 9 */ 10 11#include "cx231xx.h" 12#include <linux/init.h> 13#include <linux/list.h> 14#include <linux/module.h> 15#include <linux/slab.h> 16#include <linux/vmalloc.h> 17#include <media/v4l2-common.h> 18#include <media/tuner.h> 19 20#include "cx231xx-reg.h" 21 22/* #define ENABLE_DEBUG_ISOC_FRAMES */ 23 24static unsigned int core_debug; 25module_param(core_debug, int, 0644); 26MODULE_PARM_DESC(core_debug, "enable debug messages [core]"); 27 28#define cx231xx_coredbg(fmt, arg...) do {\ 29 if (core_debug) \ 30 printk(KERN_INFO "%s %s :"fmt, \ 31 dev->name, __func__ , ##arg); } while (0) 32 33static unsigned int reg_debug; 34module_param(reg_debug, int, 0644); 35MODULE_PARM_DESC(reg_debug, "enable debug messages [URB reg]"); 36 37static int alt = CX231XX_PINOUT; 38module_param(alt, int, 0644); 39MODULE_PARM_DESC(alt, "alternate setting to use for video endpoint"); 40 41#define cx231xx_isocdbg(fmt, arg...) do {\ 42 if (core_debug) \ 43 printk(KERN_INFO "%s %s :"fmt, \ 44 dev->name, __func__ , ##arg); } while (0) 45 46/***************************************************************** 47* Device control list functions * 48******************************************************************/ 49 50LIST_HEAD(cx231xx_devlist); 51static DEFINE_MUTEX(cx231xx_devlist_mutex); 52 53/* 54 * cx231xx_realease_resources() 55 * unregisters the v4l2,i2c and usb devices 56 * called when the device gets disconnected or at module unload 57*/ 58void cx231xx_remove_from_devlist(struct cx231xx *dev) 59{ 60 if (dev == NULL) 61 return; 62 if (dev->udev == NULL) 63 return; 64 65 if (atomic_read(&dev->devlist_count) > 0) { 66 mutex_lock(&cx231xx_devlist_mutex); 67 list_del(&dev->devlist); 68 atomic_dec(&dev->devlist_count); 69 mutex_unlock(&cx231xx_devlist_mutex); 70 } 71}; 72 73void cx231xx_add_into_devlist(struct cx231xx *dev) 74{ 75 mutex_lock(&cx231xx_devlist_mutex); 76 list_add_tail(&dev->devlist, &cx231xx_devlist); 77 atomic_inc(&dev->devlist_count); 78 mutex_unlock(&cx231xx_devlist_mutex); 79}; 80 81static LIST_HEAD(cx231xx_extension_devlist); 82 83int cx231xx_register_extension(struct cx231xx_ops *ops) 84{ 85 struct cx231xx *dev = NULL; 86 87 mutex_lock(&cx231xx_devlist_mutex); 88 list_add_tail(&ops->next, &cx231xx_extension_devlist); 89 list_for_each_entry(dev, &cx231xx_devlist, devlist) { 90 ops->init(dev); 91 dev_info(dev->dev, "%s initialized\n", ops->name); 92 } 93 mutex_unlock(&cx231xx_devlist_mutex); 94 return 0; 95} 96EXPORT_SYMBOL(cx231xx_register_extension); 97 98void cx231xx_unregister_extension(struct cx231xx_ops *ops) 99{ 100 struct cx231xx *dev = NULL; 101 102 mutex_lock(&cx231xx_devlist_mutex); 103 list_for_each_entry(dev, &cx231xx_devlist, devlist) { 104 ops->fini(dev); 105 dev_info(dev->dev, "%s removed\n", ops->name); 106 } 107 108 list_del(&ops->next); 109 mutex_unlock(&cx231xx_devlist_mutex); 110} 111EXPORT_SYMBOL(cx231xx_unregister_extension); 112 113void cx231xx_init_extension(struct cx231xx *dev) 114{ 115 struct cx231xx_ops *ops = NULL; 116 117 mutex_lock(&cx231xx_devlist_mutex); 118 list_for_each_entry(ops, &cx231xx_extension_devlist, next) { 119 if (ops->init) 120 ops->init(dev); 121 } 122 mutex_unlock(&cx231xx_devlist_mutex); 123} 124 125void cx231xx_close_extension(struct cx231xx *dev) 126{ 127 struct cx231xx_ops *ops = NULL; 128 129 mutex_lock(&cx231xx_devlist_mutex); 130 list_for_each_entry(ops, &cx231xx_extension_devlist, next) { 131 if (ops->fini) 132 ops->fini(dev); 133 } 134 mutex_unlock(&cx231xx_devlist_mutex); 135} 136 137/**************************************************************** 138* U S B related functions * 139*****************************************************************/ 140int cx231xx_send_usb_command(struct cx231xx_i2c *i2c_bus, 141 struct cx231xx_i2c_xfer_data *req_data) 142{ 143 int status = 0; 144 struct cx231xx *dev = i2c_bus->dev; 145 struct VENDOR_REQUEST_IN ven_req; 146 147 u8 saddr_len = 0; 148 u8 _i2c_period = 0; 149 u8 _i2c_nostop = 0; 150 u8 _i2c_reserve = 0; 151 152 if (dev->state & DEV_DISCONNECTED) 153 return -ENODEV; 154 155 /* Get the I2C period, nostop and reserve parameters */ 156 _i2c_period = i2c_bus->i2c_period; 157 _i2c_nostop = i2c_bus->i2c_nostop; 158 _i2c_reserve = i2c_bus->i2c_reserve; 159 160 saddr_len = req_data->saddr_len; 161 162 /* Set wValue */ 163 ven_req.wValue = (req_data->dev_addr << 9 | _i2c_period << 4 | 164 saddr_len << 2 | _i2c_nostop << 1 | I2C_SYNC | 165 _i2c_reserve << 6); 166 167 /* set channel number */ 168 if (req_data->direction & I2C_M_RD) { 169 /* channel number, for read,spec required channel_num +4 */ 170 ven_req.bRequest = i2c_bus->nr + 4; 171 } else 172 ven_req.bRequest = i2c_bus->nr; /* channel number, */ 173 174 /* set index value */ 175 switch (saddr_len) { 176 case 0: 177 ven_req.wIndex = 0; /* need check */ 178 break; 179 case 1: 180 ven_req.wIndex = (req_data->saddr_dat & 0xff); 181 break; 182 case 2: 183 ven_req.wIndex = req_data->saddr_dat; 184 break; 185 } 186 187 /* set wLength value */ 188 ven_req.wLength = req_data->buf_size; 189 190 /* set bData value */ 191 ven_req.bData = 0; 192 193 /* set the direction */ 194 if (req_data->direction) { 195 ven_req.direction = USB_DIR_IN; 196 memset(req_data->p_buffer, 0x00, ven_req.wLength); 197 } else 198 ven_req.direction = USB_DIR_OUT; 199 200 /* set the buffer for read / write */ 201 ven_req.pBuff = req_data->p_buffer; 202 203 204 /* call common vendor command request */ 205 status = cx231xx_send_vendor_cmd(dev, &ven_req); 206 if (status < 0 && !dev->i2c_scan_running) { 207 dev_err(dev->dev, "%s: failed with status -%d\n", 208 __func__, status); 209 } 210 211 return status; 212} 213EXPORT_SYMBOL_GPL(cx231xx_send_usb_command); 214 215/* 216 * Sends/Receives URB control messages, assuring to use a kalloced buffer 217 * for all operations (dev->urb_buf), to avoid using stacked buffers, as 218 * they aren't safe for usage with USB, due to DMA restrictions. 219 * Also implements the debug code for control URB's. 220 */ 221static int __usb_control_msg(struct cx231xx *dev, unsigned int pipe, 222 __u8 request, __u8 requesttype, __u16 value, __u16 index, 223 void *data, __u16 size, int timeout) 224{ 225 int rc, i; 226 227 if (reg_debug) { 228 printk(KERN_DEBUG "%s: (pipe 0x%08x): %s: %02x %02x %02x %02x %02x %02x %02x %02x ", 229 dev->name, 230 pipe, 231 (requesttype & USB_DIR_IN) ? "IN" : "OUT", 232 requesttype, 233 request, 234 value & 0xff, value >> 8, 235 index & 0xff, index >> 8, 236 size & 0xff, size >> 8); 237 if (!(requesttype & USB_DIR_IN)) { 238 printk(KERN_CONT ">>>"); 239 for (i = 0; i < size; i++) 240 printk(KERN_CONT " %02x", 241 ((unsigned char *)data)[i]); 242 } 243 } 244 245 /* Do the real call to usb_control_msg */ 246 mutex_lock(&dev->ctrl_urb_lock); 247 if (!(requesttype & USB_DIR_IN) && size) 248 memcpy(dev->urb_buf, data, size); 249 rc = usb_control_msg(dev->udev, pipe, request, requesttype, value, 250 index, dev->urb_buf, size, timeout); 251 if ((requesttype & USB_DIR_IN) && size) 252 memcpy(data, dev->urb_buf, size); 253 mutex_unlock(&dev->ctrl_urb_lock); 254 255 if (reg_debug) { 256 if (unlikely(rc < 0)) { 257 printk(KERN_CONT "FAILED!\n"); 258 return rc; 259 } 260 261 if ((requesttype & USB_DIR_IN)) { 262 printk(KERN_CONT "<<<"); 263 for (i = 0; i < size; i++) 264 printk(KERN_CONT " %02x", 265 ((unsigned char *)data)[i]); 266 } 267 printk(KERN_CONT "\n"); 268 } 269 270 return rc; 271} 272 273 274/* 275 * cx231xx_read_ctrl_reg() 276 * reads data from the usb device specifying bRequest and wValue 277 */ 278int cx231xx_read_ctrl_reg(struct cx231xx *dev, u8 req, u16 reg, 279 char *buf, int len) 280{ 281 u8 val = 0; 282 int ret; 283 int pipe = usb_rcvctrlpipe(dev->udev, 0); 284 285 if (dev->state & DEV_DISCONNECTED) 286 return -ENODEV; 287 288 if (len > URB_MAX_CTRL_SIZE) 289 return -EINVAL; 290 291 switch (len) { 292 case 1: 293 val = ENABLE_ONE_BYTE; 294 break; 295 case 2: 296 val = ENABLE_TWE_BYTE; 297 break; 298 case 3: 299 val = ENABLE_THREE_BYTE; 300 break; 301 case 4: 302 val = ENABLE_FOUR_BYTE; 303 break; 304 default: 305 val = 0xFF; /* invalid option */ 306 } 307 308 if (val == 0xFF) 309 return -EINVAL; 310 311 ret = __usb_control_msg(dev, pipe, req, 312 USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, 313 val, reg, buf, len, HZ); 314 return ret; 315} 316 317int cx231xx_send_vendor_cmd(struct cx231xx *dev, 318 struct VENDOR_REQUEST_IN *ven_req) 319{ 320 int ret; 321 int pipe = 0; 322 int unsend_size = 0; 323 u8 *pdata; 324 325 if (dev->state & DEV_DISCONNECTED) 326 return -ENODEV; 327 328 if ((ven_req->wLength > URB_MAX_CTRL_SIZE)) 329 return -EINVAL; 330 331 if (ven_req->direction) 332 pipe = usb_rcvctrlpipe(dev->udev, 0); 333 else 334 pipe = usb_sndctrlpipe(dev->udev, 0); 335 336 /* 337 * If the cx23102 read more than 4 bytes with i2c bus, 338 * need chop to 4 byte per request 339 */ 340 if ((ven_req->wLength > 4) && ((ven_req->bRequest == 0x4) || 341 (ven_req->bRequest == 0x5) || 342 (ven_req->bRequest == 0x6) || 343 344 /* Internal Master 3 Bus can send 345 * and receive only 4 bytes per time 346 */ 347 (ven_req->bRequest == 0x2))) { 348 unsend_size = 0; 349 pdata = ven_req->pBuff; 350 351 352 unsend_size = ven_req->wLength; 353 354 /* the first package */ 355 ven_req->wValue = ven_req->wValue & 0xFFFB; 356 ven_req->wValue = (ven_req->wValue & 0xFFBD) | 0x2; 357 ret = __usb_control_msg(dev, pipe, ven_req->bRequest, 358 ven_req->direction | USB_TYPE_VENDOR | USB_RECIP_DEVICE, 359 ven_req->wValue, ven_req->wIndex, pdata, 360 0x0004, HZ); 361 unsend_size = unsend_size - 4; 362 363 /* the middle package */ 364 ven_req->wValue = (ven_req->wValue & 0xFFBD) | 0x42; 365 while (unsend_size - 4 > 0) { 366 pdata = pdata + 4; 367 ret = __usb_control_msg(dev, pipe, 368 ven_req->bRequest, 369 ven_req->direction | USB_TYPE_VENDOR | USB_RECIP_DEVICE, 370 ven_req->wValue, ven_req->wIndex, pdata, 371 0x0004, HZ); 372 unsend_size = unsend_size - 4; 373 } 374 375 /* the last package */ 376 ven_req->wValue = (ven_req->wValue & 0xFFBD) | 0x40; 377 pdata = pdata + 4; 378 ret = __usb_control_msg(dev, pipe, ven_req->bRequest, 379 ven_req->direction | USB_TYPE_VENDOR | USB_RECIP_DEVICE, 380 ven_req->wValue, ven_req->wIndex, pdata, 381 unsend_size, HZ); 382 } else { 383 ret = __usb_control_msg(dev, pipe, ven_req->bRequest, 384 ven_req->direction | USB_TYPE_VENDOR | USB_RECIP_DEVICE, 385 ven_req->wValue, ven_req->wIndex, 386 ven_req->pBuff, ven_req->wLength, HZ); 387 } 388 389 return ret; 390} 391 392/* 393 * cx231xx_write_ctrl_reg() 394 * sends data to the usb device, specifying bRequest 395 */ 396int cx231xx_write_ctrl_reg(struct cx231xx *dev, u8 req, u16 reg, char *buf, 397 int len) 398{ 399 u8 val = 0; 400 int ret; 401 int pipe = usb_sndctrlpipe(dev->udev, 0); 402 403 if (dev->state & DEV_DISCONNECTED) 404 return -ENODEV; 405 406 if ((len < 1) || (len > URB_MAX_CTRL_SIZE)) 407 return -EINVAL; 408 409 switch (len) { 410 case 1: 411 val = ENABLE_ONE_BYTE; 412 break; 413 case 2: 414 val = ENABLE_TWE_BYTE; 415 break; 416 case 3: 417 val = ENABLE_THREE_BYTE; 418 break; 419 case 4: 420 val = ENABLE_FOUR_BYTE; 421 break; 422 default: 423 val = 0xFF; /* invalid option */ 424 } 425 426 if (val == 0xFF) 427 return -EINVAL; 428 429 if (reg_debug) { 430 int byte; 431 432 cx231xx_isocdbg("(pipe 0x%08x): OUT: %02x %02x %02x %02x %02x %02x %02x %02x >>>", 433 pipe, 434 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, 435 req, 0, val, reg & 0xff, 436 reg >> 8, len & 0xff, len >> 8); 437 438 for (byte = 0; byte < len; byte++) 439 cx231xx_isocdbg(" %02x", (unsigned char)buf[byte]); 440 cx231xx_isocdbg("\n"); 441 } 442 443 ret = __usb_control_msg(dev, pipe, req, 444 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, 445 val, reg, buf, len, HZ); 446 447 return ret; 448} 449 450/**************************************************************** 451* USB Alternate Setting functions * 452*****************************************************************/ 453 454int cx231xx_set_video_alternate(struct cx231xx *dev) 455{ 456 int errCode, prev_alt = dev->video_mode.alt; 457 unsigned int min_pkt_size = dev->width * 2 + 4; 458 u32 usb_interface_index = 0; 459 460 /* When image size is bigger than a certain value, 461 the frame size should be increased, otherwise, only 462 green screen will be received. 463 */ 464 if (dev->width * 2 * dev->height > 720 * 240 * 2) 465 min_pkt_size *= 2; 466 467 if (dev->width > 360) { 468 /* resolutions: 720,704,640 */ 469 dev->video_mode.alt = 3; 470 } else if (dev->width > 180) { 471 /* resolutions: 360,352,320,240 */ 472 dev->video_mode.alt = 2; 473 } else if (dev->width > 0) { 474 /* resolutions: 180,176,160,128,88 */ 475 dev->video_mode.alt = 1; 476 } else { 477 /* Change to alt0 BULK to release USB bandwidth */ 478 dev->video_mode.alt = 0; 479 } 480 481 if (dev->USE_ISO == 0) 482 dev->video_mode.alt = 0; 483 484 cx231xx_coredbg("dev->video_mode.alt= %d\n", dev->video_mode.alt); 485 486 /* Get the correct video interface Index */ 487 usb_interface_index = 488 dev->current_pcb_config.hs_config_info[0].interface_info. 489 video_index + 1; 490 491 if (dev->video_mode.alt != prev_alt) { 492 cx231xx_coredbg("minimum isoc packet size: %u (alt=%d)\n", 493 min_pkt_size, dev->video_mode.alt); 494 495 if (dev->video_mode.alt_max_pkt_size != NULL) 496 dev->video_mode.max_pkt_size = 497 dev->video_mode.alt_max_pkt_size[dev->video_mode.alt]; 498 cx231xx_coredbg("setting alternate %d with wMaxPacketSize=%u\n", 499 dev->video_mode.alt, 500 dev->video_mode.max_pkt_size); 501 errCode = 502 usb_set_interface(dev->udev, usb_interface_index, 503 dev->video_mode.alt); 504 if (errCode < 0) { 505 dev_err(dev->dev, 506 "cannot change alt number to %d (error=%i)\n", 507 dev->video_mode.alt, errCode); 508 return errCode; 509 } 510 } 511 return 0; 512} 513 514int cx231xx_set_alt_setting(struct cx231xx *dev, u8 index, u8 alt) 515{ 516 int status = 0; 517 u32 usb_interface_index = 0; 518 u32 max_pkt_size = 0; 519 520 switch (index) { 521 case INDEX_TS1: 522 usb_interface_index = 523 dev->current_pcb_config.hs_config_info[0].interface_info. 524 ts1_index + 1; 525 dev->ts1_mode.alt = alt; 526 if (dev->ts1_mode.alt_max_pkt_size != NULL) 527 max_pkt_size = dev->ts1_mode.max_pkt_size = 528 dev->ts1_mode.alt_max_pkt_size[dev->ts1_mode.alt]; 529 break; 530 case INDEX_TS2: 531 usb_interface_index = 532 dev->current_pcb_config.hs_config_info[0].interface_info. 533 ts2_index + 1; 534 break; 535 case INDEX_AUDIO: 536 usb_interface_index = 537 dev->current_pcb_config.hs_config_info[0].interface_info. 538 audio_index + 1; 539 dev->adev.alt = alt; 540 if (dev->adev.alt_max_pkt_size != NULL) 541 max_pkt_size = dev->adev.max_pkt_size = 542 dev->adev.alt_max_pkt_size[dev->adev.alt]; 543 break; 544 case INDEX_VIDEO: 545 usb_interface_index = 546 dev->current_pcb_config.hs_config_info[0].interface_info. 547 video_index + 1; 548 dev->video_mode.alt = alt; 549 if (dev->video_mode.alt_max_pkt_size != NULL) 550 max_pkt_size = dev->video_mode.max_pkt_size = 551 dev->video_mode.alt_max_pkt_size[dev->video_mode. 552 alt]; 553 break; 554 case INDEX_VANC: 555 if (dev->board.no_alt_vanc) 556 return 0; 557 usb_interface_index = 558 dev->current_pcb_config.hs_config_info[0].interface_info. 559 vanc_index + 1; 560 dev->vbi_mode.alt = alt; 561 if (dev->vbi_mode.alt_max_pkt_size != NULL) 562 max_pkt_size = dev->vbi_mode.max_pkt_size = 563 dev->vbi_mode.alt_max_pkt_size[dev->vbi_mode.alt]; 564 break; 565 case INDEX_HANC: 566 usb_interface_index = 567 dev->current_pcb_config.hs_config_info[0].interface_info. 568 hanc_index + 1; 569 dev->sliced_cc_mode.alt = alt; 570 if (dev->sliced_cc_mode.alt_max_pkt_size != NULL) 571 max_pkt_size = dev->sliced_cc_mode.max_pkt_size = 572 dev->sliced_cc_mode.alt_max_pkt_size[dev-> 573 sliced_cc_mode. 574 alt]; 575 break; 576 default: 577 break; 578 } 579 580 if (alt > 0 && max_pkt_size == 0) { 581 dev_err(dev->dev, 582 "can't change interface %d alt no. to %d: Max. Pkt size = 0\n", 583 usb_interface_index, alt); 584 /*To workaround error number=-71 on EP0 for videograbber, 585 need add following codes.*/ 586 if (dev->board.no_alt_vanc) 587 return -1; 588 } 589 590 cx231xx_coredbg("setting alternate %d with wMaxPacketSize=%u,Interface = %d\n", 591 alt, max_pkt_size, 592 usb_interface_index); 593 594 if (usb_interface_index > 0) { 595 status = usb_set_interface(dev->udev, usb_interface_index, alt); 596 if (status < 0) { 597 dev_err(dev->dev, 598 "can't change interface %d alt no. to %d (err=%i)\n", 599 usb_interface_index, alt, status); 600 return status; 601 } 602 } 603 604 return status; 605} 606EXPORT_SYMBOL_GPL(cx231xx_set_alt_setting); 607 608int cx231xx_gpio_set(struct cx231xx *dev, struct cx231xx_reg_seq *gpio) 609{ 610 int rc = 0; 611 612 if (!gpio) 613 return rc; 614 615 /* Send GPIO reset sequences specified at board entry */ 616 while (gpio->sleep >= 0) { 617 rc = cx231xx_set_gpio_value(dev, gpio->bit, gpio->val); 618 if (rc < 0) 619 return rc; 620 621 if (gpio->sleep > 0) 622 msleep(gpio->sleep); 623 624 gpio++; 625 } 626 return rc; 627} 628 629int cx231xx_demod_reset(struct cx231xx *dev) 630{ 631 632 u8 status = 0; 633 u8 value[4] = { 0, 0, 0, 0 }; 634 635 status = cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, PWR_CTL_EN, 636 value, 4); 637 638 cx231xx_coredbg("reg0x%x=0x%x 0x%x 0x%x 0x%x\n", PWR_CTL_EN, 639 value[0], value[1], value[2], value[3]); 640 641 cx231xx_coredbg("Enter cx231xx_demod_reset()\n"); 642 643 value[1] = (u8) 0x3; 644 status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, 645 PWR_CTL_EN, value, 4); 646 msleep(10); 647 648 value[1] = (u8) 0x0; 649 status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, 650 PWR_CTL_EN, value, 4); 651 msleep(10); 652 653 value[1] = (u8) 0x3; 654 status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, 655 PWR_CTL_EN, value, 4); 656 msleep(10); 657 658 status = cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, PWR_CTL_EN, 659 value, 4); 660 661 cx231xx_coredbg("reg0x%x=0x%x 0x%x 0x%x 0x%x\n", PWR_CTL_EN, 662 value[0], value[1], value[2], value[3]); 663 664 return status; 665} 666EXPORT_SYMBOL_GPL(cx231xx_demod_reset); 667int is_fw_load(struct cx231xx *dev) 668{ 669 return cx231xx_check_fw(dev); 670} 671EXPORT_SYMBOL_GPL(is_fw_load); 672 673int cx231xx_set_mode(struct cx231xx *dev, enum cx231xx_mode set_mode) 674{ 675 int errCode = 0; 676 677 if (dev->mode == set_mode) 678 return 0; 679 680 if (set_mode == CX231XX_SUSPEND) { 681 /* Set the chip in power saving mode */ 682 dev->mode = set_mode; 683 } 684 685 /* Resource is locked */ 686 if (dev->mode != CX231XX_SUSPEND) 687 return -EINVAL; 688 689 dev->mode = set_mode; 690 691 if (dev->mode == CX231XX_DIGITAL_MODE)/* Set Digital power mode */ { 692 /* set AGC mode to Digital */ 693 switch (dev->model) { 694 case CX231XX_BOARD_CNXT_CARRAERA: 695 case CX231XX_BOARD_CNXT_RDE_250: 696 case CX231XX_BOARD_CNXT_SHELBY: 697 case CX231XX_BOARD_CNXT_RDU_250: 698 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 0); 699 break; 700 case CX231XX_BOARD_CNXT_RDE_253S: 701 case CX231XX_BOARD_CNXT_RDU_253S: 702 case CX231XX_BOARD_PV_PLAYTV_USB_HYBRID: 703 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 1); 704 break; 705 case CX231XX_BOARD_HAUPPAUGE_EXETER: 706 case CX231XX_BOARD_HAUPPAUGE_930C_HD_1113xx: 707 errCode = cx231xx_set_power_mode(dev, 708 POLARIS_AVMODE_DIGITAL); 709 break; 710 default: 711 break; 712 } 713 } else/* Set Analog Power mode */ { 714 /* set AGC mode to Analog */ 715 switch (dev->model) { 716 case CX231XX_BOARD_CNXT_CARRAERA: 717 case CX231XX_BOARD_CNXT_RDE_250: 718 case CX231XX_BOARD_CNXT_SHELBY: 719 case CX231XX_BOARD_CNXT_RDU_250: 720 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 1); 721 break; 722 case CX231XX_BOARD_CNXT_RDE_253S: 723 case CX231XX_BOARD_CNXT_RDU_253S: 724 case CX231XX_BOARD_HAUPPAUGE_EXETER: 725 case CX231XX_BOARD_HAUPPAUGE_930C_HD_1113xx: 726 case CX231XX_BOARD_PV_PLAYTV_USB_HYBRID: 727 case CX231XX_BOARD_HAUPPAUGE_USB2_FM_PAL: 728 case CX231XX_BOARD_HAUPPAUGE_USB2_FM_NTSC: 729 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 0); 730 break; 731 default: 732 break; 733 } 734 } 735 736 if (errCode < 0) { 737 dev_err(dev->dev, "Failed to set devmode to %s: error: %i", 738 dev->mode == CX231XX_DIGITAL_MODE ? "digital" : "analog", 739 errCode); 740 return errCode; 741 } 742 743 return 0; 744} 745EXPORT_SYMBOL_GPL(cx231xx_set_mode); 746 747int cx231xx_ep5_bulkout(struct cx231xx *dev, u8 *firmware, u16 size) 748{ 749 int errCode = 0; 750 int actlen = -1; 751 int ret = -ENOMEM; 752 u32 *buffer; 753 754 buffer = kmemdup(firmware, EP5_BUF_SIZE, GFP_KERNEL); 755 if (buffer == NULL) 756 return -ENOMEM; 757 758 ret = usb_bulk_msg(dev->udev, usb_sndbulkpipe(dev->udev, 5), 759 buffer, EP5_BUF_SIZE, &actlen, EP5_TIMEOUT_MS); 760 761 if (ret) 762 dev_err(dev->dev, 763 "bulk message failed: %d (%d/%d)", ret, 764 size, actlen); 765 else { 766 errCode = actlen != size ? -1 : 0; 767 } 768 kfree(buffer); 769 return errCode; 770} 771 772/***************************************************************** 773* URB Streaming functions * 774******************************************************************/ 775 776/* 777 * IRQ callback, called by URB callback 778 */ 779static void cx231xx_isoc_irq_callback(struct urb *urb) 780{ 781 struct cx231xx_dmaqueue *dma_q = urb->context; 782 struct cx231xx_video_mode *vmode = 783 container_of(dma_q, struct cx231xx_video_mode, vidq); 784 struct cx231xx *dev = container_of(vmode, struct cx231xx, video_mode); 785 unsigned long flags; 786 int i; 787 788 switch (urb->status) { 789 case 0: /* success */ 790 case -ETIMEDOUT: /* NAK */ 791 break; 792 case -ECONNRESET: /* kill */ 793 case -ENOENT: 794 case -ESHUTDOWN: 795 return; 796 default: /* error */ 797 cx231xx_isocdbg("urb completion error %d.\n", urb->status); 798 break; 799 } 800 801 /* Copy data from URB */ 802 spin_lock_irqsave(&dev->video_mode.slock, flags); 803 dev->video_mode.isoc_ctl.isoc_copy(dev, urb); 804 spin_unlock_irqrestore(&dev->video_mode.slock, flags); 805 806 /* Reset urb buffers */ 807 for (i = 0; i < urb->number_of_packets; i++) { 808 urb->iso_frame_desc[i].status = 0; 809 urb->iso_frame_desc[i].actual_length = 0; 810 } 811 812 urb->status = usb_submit_urb(urb, GFP_ATOMIC); 813 if (urb->status) { 814 cx231xx_isocdbg("urb resubmit failed (error=%i)\n", 815 urb->status); 816 } 817} 818/***************************************************************** 819* URB Streaming functions * 820******************************************************************/ 821 822/* 823 * IRQ callback, called by URB callback 824 */ 825static void cx231xx_bulk_irq_callback(struct urb *urb) 826{ 827 struct cx231xx_dmaqueue *dma_q = urb->context; 828 struct cx231xx_video_mode *vmode = 829 container_of(dma_q, struct cx231xx_video_mode, vidq); 830 struct cx231xx *dev = container_of(vmode, struct cx231xx, video_mode); 831 unsigned long flags; 832 833 switch (urb->status) { 834 case 0: /* success */ 835 case -ETIMEDOUT: /* NAK */ 836 break; 837 case -ECONNRESET: /* kill */ 838 case -ENOENT: 839 case -ESHUTDOWN: 840 return; 841 case -EPIPE: /* stall */ 842 cx231xx_isocdbg("urb completion error - device is stalled.\n"); 843 return; 844 default: /* error */ 845 cx231xx_isocdbg("urb completion error %d.\n", urb->status); 846 break; 847 } 848 849 /* Copy data from URB */ 850 spin_lock_irqsave(&dev->video_mode.slock, flags); 851 dev->video_mode.bulk_ctl.bulk_copy(dev, urb); 852 spin_unlock_irqrestore(&dev->video_mode.slock, flags); 853 854 /* Reset urb buffers */ 855 urb->status = usb_submit_urb(urb, GFP_ATOMIC); 856 if (urb->status) { 857 cx231xx_isocdbg("urb resubmit failed (error=%i)\n", 858 urb->status); 859 } 860} 861/* 862 * Stop and Deallocate URBs 863 */ 864void cx231xx_uninit_isoc(struct cx231xx *dev) 865{ 866 struct cx231xx_dmaqueue *dma_q = &dev->video_mode.vidq; 867 struct urb *urb; 868 int i; 869 bool broken_pipe = false; 870 871 cx231xx_isocdbg("cx231xx: called cx231xx_uninit_isoc\n"); 872 873 dev->video_mode.isoc_ctl.nfields = -1; 874 for (i = 0; i < dev->video_mode.isoc_ctl.num_bufs; i++) { 875 urb = dev->video_mode.isoc_ctl.urb[i]; 876 if (urb) { 877 if (!irqs_disabled()) 878 usb_kill_urb(urb); 879 else 880 usb_unlink_urb(urb); 881 882 if (dev->video_mode.isoc_ctl.transfer_buffer[i]) { 883 usb_free_coherent(dev->udev, 884 urb->transfer_buffer_length, 885 dev->video_mode.isoc_ctl. 886 transfer_buffer[i], 887 urb->transfer_dma); 888 } 889 if (urb->status == -EPIPE) { 890 broken_pipe = true; 891 } 892 usb_free_urb(urb); 893 dev->video_mode.isoc_ctl.urb[i] = NULL; 894 } 895 dev->video_mode.isoc_ctl.transfer_buffer[i] = NULL; 896 } 897 898 if (broken_pipe) { 899 cx231xx_isocdbg("Reset endpoint to recover broken pipe."); 900 usb_reset_endpoint(dev->udev, dev->video_mode.end_point_addr); 901 } 902 kfree(dev->video_mode.isoc_ctl.urb); 903 kfree(dev->video_mode.isoc_ctl.transfer_buffer); 904 kfree(dma_q->p_left_data); 905 906 dev->video_mode.isoc_ctl.urb = NULL; 907 dev->video_mode.isoc_ctl.transfer_buffer = NULL; 908 dev->video_mode.isoc_ctl.num_bufs = 0; 909 dma_q->p_left_data = NULL; 910 911 if (dev->mode_tv == 0) 912 cx231xx_capture_start(dev, 0, Raw_Video); 913 else 914 cx231xx_capture_start(dev, 0, TS1_serial_mode); 915 916 917} 918EXPORT_SYMBOL_GPL(cx231xx_uninit_isoc); 919 920/* 921 * Stop and Deallocate URBs 922 */ 923void cx231xx_uninit_bulk(struct cx231xx *dev) 924{ 925 struct cx231xx_dmaqueue *dma_q = &dev->video_mode.vidq; 926 struct urb *urb; 927 int i; 928 bool broken_pipe = false; 929 930 cx231xx_isocdbg("cx231xx: called cx231xx_uninit_bulk\n"); 931 932 dev->video_mode.bulk_ctl.nfields = -1; 933 for (i = 0; i < dev->video_mode.bulk_ctl.num_bufs; i++) { 934 urb = dev->video_mode.bulk_ctl.urb[i]; 935 if (urb) { 936 if (!irqs_disabled()) 937 usb_kill_urb(urb); 938 else 939 usb_unlink_urb(urb); 940 941 if (dev->video_mode.bulk_ctl.transfer_buffer[i]) { 942 usb_free_coherent(dev->udev, 943 urb->transfer_buffer_length, 944 dev->video_mode.bulk_ctl. 945 transfer_buffer[i], 946 urb->transfer_dma); 947 } 948 if (urb->status == -EPIPE) { 949 broken_pipe = true; 950 } 951 usb_free_urb(urb); 952 dev->video_mode.bulk_ctl.urb[i] = NULL; 953 } 954 dev->video_mode.bulk_ctl.transfer_buffer[i] = NULL; 955 } 956 957 if (broken_pipe) { 958 cx231xx_isocdbg("Reset endpoint to recover broken pipe."); 959 usb_reset_endpoint(dev->udev, dev->video_mode.end_point_addr); 960 } 961 kfree(dev->video_mode.bulk_ctl.urb); 962 kfree(dev->video_mode.bulk_ctl.transfer_buffer); 963 kfree(dma_q->p_left_data); 964 965 dev->video_mode.bulk_ctl.urb = NULL; 966 dev->video_mode.bulk_ctl.transfer_buffer = NULL; 967 dev->video_mode.bulk_ctl.num_bufs = 0; 968 dma_q->p_left_data = NULL; 969 970 if (dev->mode_tv == 0) 971 cx231xx_capture_start(dev, 0, Raw_Video); 972 else 973 cx231xx_capture_start(dev, 0, TS1_serial_mode); 974 975 976} 977EXPORT_SYMBOL_GPL(cx231xx_uninit_bulk); 978 979/* 980 * Allocate URBs and start IRQ 981 */ 982int cx231xx_init_isoc(struct cx231xx *dev, int max_packets, 983 int num_bufs, int max_pkt_size, 984 int (*isoc_copy) (struct cx231xx *dev, struct urb *urb)) 985{ 986 struct cx231xx_dmaqueue *dma_q = &dev->video_mode.vidq; 987 int i; 988 int sb_size, pipe; 989 struct urb *urb; 990 int j, k; 991 int rc; 992 993 /* De-allocates all pending stuff */ 994 cx231xx_uninit_isoc(dev); 995 996 dma_q->p_left_data = kzalloc(EP5_BUF_SIZE, GFP_KERNEL); 997 if (dma_q->p_left_data == NULL) 998 return -ENOMEM; 999 1000 dev->video_mode.isoc_ctl.isoc_copy = isoc_copy; 1001 dev->video_mode.isoc_ctl.num_bufs = num_bufs; 1002 dma_q->pos = 0; 1003 dma_q->is_partial_line = 0; 1004 dma_q->last_sav = 0; 1005 dma_q->current_field = -1; 1006 dma_q->field1_done = 0; 1007 dma_q->lines_per_field = dev->height / 2; 1008 dma_q->bytes_left_in_line = dev->width << 1; 1009 dma_q->lines_completed = 0; 1010 dma_q->mpeg_buffer_done = 0; 1011 dma_q->left_data_count = 0; 1012 dma_q->mpeg_buffer_completed = 0; 1013 dma_q->add_ps_package_head = CX231XX_NEED_ADD_PS_PACKAGE_HEAD; 1014 dma_q->ps_head[0] = 0x00; 1015 dma_q->ps_head[1] = 0x00; 1016 dma_q->ps_head[2] = 0x01; 1017 dma_q->ps_head[3] = 0xBA; 1018 for (i = 0; i < 8; i++) 1019 dma_q->partial_buf[i] = 0; 1020 1021 dev->video_mode.isoc_ctl.urb = 1022 kcalloc(num_bufs, sizeof(void *), GFP_KERNEL); 1023 if (!dev->video_mode.isoc_ctl.urb) { 1024 dev_err(dev->dev, 1025 "cannot alloc memory for usb buffers\n"); 1026 kfree(dma_q->p_left_data); 1027 return -ENOMEM; 1028 } 1029 1030 dev->video_mode.isoc_ctl.transfer_buffer = 1031 kcalloc(num_bufs, sizeof(void *), GFP_KERNEL); 1032 if (!dev->video_mode.isoc_ctl.transfer_buffer) { 1033 dev_err(dev->dev, 1034 "cannot allocate memory for usbtransfer\n"); 1035 kfree(dev->video_mode.isoc_ctl.urb); 1036 kfree(dma_q->p_left_data); 1037 return -ENOMEM; 1038 } 1039 1040 dev->video_mode.isoc_ctl.max_pkt_size = max_pkt_size; 1041 dev->video_mode.isoc_ctl.buf = NULL; 1042 1043 sb_size = max_packets * dev->video_mode.isoc_ctl.max_pkt_size; 1044 1045 if (dev->mode_tv == 1) 1046 dev->video_mode.end_point_addr = 0x81; 1047 else 1048 dev->video_mode.end_point_addr = 0x84; 1049 1050 1051 /* allocate urbs and transfer buffers */ 1052 for (i = 0; i < dev->video_mode.isoc_ctl.num_bufs; i++) { 1053 urb = usb_alloc_urb(max_packets, GFP_KERNEL); 1054 if (!urb) { 1055 cx231xx_uninit_isoc(dev); 1056 return -ENOMEM; 1057 } 1058 dev->video_mode.isoc_ctl.urb[i] = urb; 1059 1060 dev->video_mode.isoc_ctl.transfer_buffer[i] = 1061 usb_alloc_coherent(dev->udev, sb_size, GFP_KERNEL, 1062 &urb->transfer_dma); 1063 if (!dev->video_mode.isoc_ctl.transfer_buffer[i]) { 1064 dev_err(dev->dev, 1065 "unable to allocate %i bytes for transfer buffer %i\n", 1066 sb_size, i); 1067 cx231xx_uninit_isoc(dev); 1068 return -ENOMEM; 1069 } 1070 memset(dev->video_mode.isoc_ctl.transfer_buffer[i], 0, sb_size); 1071 1072 pipe = 1073 usb_rcvisocpipe(dev->udev, dev->video_mode.end_point_addr); 1074 1075 usb_fill_int_urb(urb, dev->udev, pipe, 1076 dev->video_mode.isoc_ctl.transfer_buffer[i], 1077 sb_size, cx231xx_isoc_irq_callback, dma_q, 1); 1078 1079 urb->number_of_packets = max_packets; 1080 urb->transfer_flags = URB_ISO_ASAP | URB_NO_TRANSFER_DMA_MAP; 1081 1082 k = 0; 1083 for (j = 0; j < max_packets; j++) { 1084 urb->iso_frame_desc[j].offset = k; 1085 urb->iso_frame_desc[j].length = 1086 dev->video_mode.isoc_ctl.max_pkt_size; 1087 k += dev->video_mode.isoc_ctl.max_pkt_size; 1088 } 1089 } 1090 1091 init_waitqueue_head(&dma_q->wq); 1092 1093 /* submit urbs and enables IRQ */ 1094 for (i = 0; i < dev->video_mode.isoc_ctl.num_bufs; i++) { 1095 rc = usb_submit_urb(dev->video_mode.isoc_ctl.urb[i], 1096 GFP_ATOMIC); 1097 if (rc) { 1098 dev_err(dev->dev, 1099 "submit of urb %i failed (error=%i)\n", i, 1100 rc); 1101 cx231xx_uninit_isoc(dev); 1102 return rc; 1103 } 1104 } 1105 1106 if (dev->mode_tv == 0) 1107 cx231xx_capture_start(dev, 1, Raw_Video); 1108 else 1109 cx231xx_capture_start(dev, 1, TS1_serial_mode); 1110 1111 return 0; 1112} 1113EXPORT_SYMBOL_GPL(cx231xx_init_isoc); 1114 1115/* 1116 * Allocate URBs and start IRQ 1117 */ 1118int cx231xx_init_bulk(struct cx231xx *dev, int max_packets, 1119 int num_bufs, int max_pkt_size, 1120 int (*bulk_copy) (struct cx231xx *dev, struct urb *urb)) 1121{ 1122 struct cx231xx_dmaqueue *dma_q = &dev->video_mode.vidq; 1123 int i; 1124 int sb_size, pipe; 1125 struct urb *urb; 1126 int rc; 1127 1128 dev->video_input = dev->video_input > 2 ? 2 : dev->video_input; 1129 1130 cx231xx_coredbg("Setting Video mux to %d\n", dev->video_input); 1131 1132 video_mux(dev, dev->video_input); 1133 1134 /* De-allocates all pending stuff */ 1135 cx231xx_uninit_bulk(dev); 1136 1137 dev->video_mode.bulk_ctl.bulk_copy = bulk_copy; 1138 dev->video_mode.bulk_ctl.num_bufs = num_bufs; 1139 dma_q->pos = 0; 1140 dma_q->is_partial_line = 0; 1141 dma_q->last_sav = 0; 1142 dma_q->current_field = -1; 1143 dma_q->field1_done = 0; 1144 dma_q->lines_per_field = dev->height / 2; 1145 dma_q->bytes_left_in_line = dev->width << 1; 1146 dma_q->lines_completed = 0; 1147 dma_q->mpeg_buffer_done = 0; 1148 dma_q->left_data_count = 0; 1149 dma_q->mpeg_buffer_completed = 0; 1150 dma_q->ps_head[0] = 0x00; 1151 dma_q->ps_head[1] = 0x00; 1152 dma_q->ps_head[2] = 0x01; 1153 dma_q->ps_head[3] = 0xBA; 1154 for (i = 0; i < 8; i++) 1155 dma_q->partial_buf[i] = 0; 1156 1157 dev->video_mode.bulk_ctl.urb = 1158 kcalloc(num_bufs, sizeof(void *), GFP_KERNEL); 1159 if (!dev->video_mode.bulk_ctl.urb) { 1160 dev_err(dev->dev, 1161 "cannot alloc memory for usb buffers\n"); 1162 return -ENOMEM; 1163 } 1164 1165 dev->video_mode.bulk_ctl.transfer_buffer = 1166 kcalloc(num_bufs, sizeof(void *), GFP_KERNEL); 1167 if (!dev->video_mode.bulk_ctl.transfer_buffer) { 1168 dev_err(dev->dev, 1169 "cannot allocate memory for usbtransfer\n"); 1170 kfree(dev->video_mode.bulk_ctl.urb); 1171 return -ENOMEM; 1172 } 1173 1174 dev->video_mode.bulk_ctl.max_pkt_size = max_pkt_size; 1175 dev->video_mode.bulk_ctl.buf = NULL; 1176 1177 sb_size = max_packets * dev->video_mode.bulk_ctl.max_pkt_size; 1178 1179 if (dev->mode_tv == 1) 1180 dev->video_mode.end_point_addr = 0x81; 1181 else 1182 dev->video_mode.end_point_addr = 0x84; 1183 1184 1185 /* allocate urbs and transfer buffers */ 1186 for (i = 0; i < dev->video_mode.bulk_ctl.num_bufs; i++) { 1187 urb = usb_alloc_urb(0, GFP_KERNEL); 1188 if (!urb) { 1189 cx231xx_uninit_bulk(dev); 1190 return -ENOMEM; 1191 } 1192 dev->video_mode.bulk_ctl.urb[i] = urb; 1193 urb->transfer_flags = URB_NO_TRANSFER_DMA_MAP; 1194 1195 dev->video_mode.bulk_ctl.transfer_buffer[i] = 1196 usb_alloc_coherent(dev->udev, sb_size, GFP_KERNEL, 1197 &urb->transfer_dma); 1198 if (!dev->video_mode.bulk_ctl.transfer_buffer[i]) { 1199 dev_err(dev->dev, 1200 "unable to allocate %i bytes for transfer buffer %i\n", 1201 sb_size, i); 1202 cx231xx_uninit_bulk(dev); 1203 return -ENOMEM; 1204 } 1205 memset(dev->video_mode.bulk_ctl.transfer_buffer[i], 0, sb_size); 1206 1207 pipe = usb_rcvbulkpipe(dev->udev, 1208 dev->video_mode.end_point_addr); 1209 usb_fill_bulk_urb(urb, dev->udev, pipe, 1210 dev->video_mode.bulk_ctl.transfer_buffer[i], 1211 sb_size, cx231xx_bulk_irq_callback, dma_q); 1212 } 1213 1214 /* clear halt */ 1215 rc = usb_clear_halt(dev->udev, dev->video_mode.bulk_ctl.urb[0]->pipe); 1216 if (rc < 0) { 1217 dev_err(dev->dev, 1218 "failed to clear USB bulk endpoint stall/halt condition (error=%i)\n", 1219 rc); 1220 cx231xx_uninit_bulk(dev); 1221 return rc; 1222 } 1223 1224 init_waitqueue_head(&dma_q->wq); 1225 1226 /* submit urbs and enables IRQ */ 1227 for (i = 0; i < dev->video_mode.bulk_ctl.num_bufs; i++) { 1228 rc = usb_submit_urb(dev->video_mode.bulk_ctl.urb[i], 1229 GFP_ATOMIC); 1230 if (rc) { 1231 dev_err(dev->dev, 1232 "submit of urb %i failed (error=%i)\n", i, rc); 1233 cx231xx_uninit_bulk(dev); 1234 return rc; 1235 } 1236 } 1237 1238 if (dev->mode_tv == 0) 1239 cx231xx_capture_start(dev, 1, Raw_Video); 1240 else 1241 cx231xx_capture_start(dev, 1, TS1_serial_mode); 1242 1243 return 0; 1244} 1245EXPORT_SYMBOL_GPL(cx231xx_init_bulk); 1246void cx231xx_stop_TS1(struct cx231xx *dev) 1247{ 1248 u8 val[4] = { 0, 0, 0, 0 }; 1249 1250 val[0] = 0x00; 1251 val[1] = 0x03; 1252 val[2] = 0x00; 1253 val[3] = 0x00; 1254 cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, 1255 TS_MODE_REG, val, 4); 1256 1257 val[0] = 0x00; 1258 val[1] = 0x70; 1259 val[2] = 0x04; 1260 val[3] = 0x00; 1261 cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, 1262 TS1_CFG_REG, val, 4); 1263} 1264/* EXPORT_SYMBOL_GPL(cx231xx_stop_TS1); */ 1265void cx231xx_start_TS1(struct cx231xx *dev) 1266{ 1267 u8 val[4] = { 0, 0, 0, 0 }; 1268 1269 val[0] = 0x03; 1270 val[1] = 0x03; 1271 val[2] = 0x00; 1272 val[3] = 0x00; 1273 cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, 1274 TS_MODE_REG, val, 4); 1275 1276 val[0] = 0x04; 1277 val[1] = 0xA3; 1278 val[2] = 0x3B; 1279 val[3] = 0x00; 1280 cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, 1281 TS1_CFG_REG, val, 4); 1282} 1283/* EXPORT_SYMBOL_GPL(cx231xx_start_TS1); */ 1284/***************************************************************** 1285* Device Init/UnInit functions * 1286******************************************************************/ 1287int cx231xx_dev_init(struct cx231xx *dev) 1288{ 1289 int errCode = 0; 1290 1291 /* Initialize I2C bus */ 1292 1293 /* External Master 1 Bus */ 1294 dev->i2c_bus[0].nr = 0; 1295 dev->i2c_bus[0].dev = dev; 1296 dev->i2c_bus[0].i2c_period = I2C_SPEED_100K; /* 100 KHz */ 1297 dev->i2c_bus[0].i2c_nostop = 0; 1298 dev->i2c_bus[0].i2c_reserve = 0; 1299 dev->i2c_bus[0].i2c_rc = -ENODEV; 1300 1301 /* External Master 2 Bus */ 1302 dev->i2c_bus[1].nr = 1; 1303 dev->i2c_bus[1].dev = dev; 1304 dev->i2c_bus[1].i2c_period = I2C_SPEED_100K; /* 100 KHz */ 1305 dev->i2c_bus[1].i2c_nostop = 0; 1306 dev->i2c_bus[1].i2c_reserve = 0; 1307 dev->i2c_bus[1].i2c_rc = -ENODEV; 1308 1309 /* Internal Master 3 Bus */ 1310 dev->i2c_bus[2].nr = 2; 1311 dev->i2c_bus[2].dev = dev; 1312 dev->i2c_bus[2].i2c_period = I2C_SPEED_100K; /* 100kHz */ 1313 dev->i2c_bus[2].i2c_nostop = 0; 1314 dev->i2c_bus[2].i2c_reserve = 0; 1315 dev->i2c_bus[2].i2c_rc = -ENODEV; 1316 1317 /* register I2C buses */ 1318 errCode = cx231xx_i2c_register(&dev->i2c_bus[0]); 1319 if (errCode < 0) 1320 return errCode; 1321 errCode = cx231xx_i2c_register(&dev->i2c_bus[1]); 1322 if (errCode < 0) 1323 return errCode; 1324 errCode = cx231xx_i2c_register(&dev->i2c_bus[2]); 1325 if (errCode < 0) 1326 return errCode; 1327 1328 errCode = cx231xx_i2c_mux_create(dev); 1329 if (errCode < 0) { 1330 dev_err(dev->dev, 1331 "%s: Failed to create I2C mux\n", __func__); 1332 return errCode; 1333 } 1334 errCode = cx231xx_i2c_mux_register(dev, 0); 1335 if (errCode < 0) 1336 return errCode; 1337 1338 errCode = cx231xx_i2c_mux_register(dev, 1); 1339 if (errCode < 0) 1340 return errCode; 1341 1342 /* scan the real bus segments in the order of physical port numbers */ 1343 cx231xx_do_i2c_scan(dev, I2C_0); 1344 cx231xx_do_i2c_scan(dev, I2C_1_MUX_1); 1345 cx231xx_do_i2c_scan(dev, I2C_2); 1346 cx231xx_do_i2c_scan(dev, I2C_1_MUX_3); 1347 1348 /* init hardware */ 1349 /* Note : with out calling set power mode function, 1350 afe can not be set up correctly */ 1351 if (dev->board.external_av) { 1352 errCode = cx231xx_set_power_mode(dev, 1353 POLARIS_AVMODE_ENXTERNAL_AV); 1354 if (errCode < 0) { 1355 dev_err(dev->dev, 1356 "%s: Failed to set Power - errCode [%d]!\n", 1357 __func__, errCode); 1358 return errCode; 1359 } 1360 } else { 1361 errCode = cx231xx_set_power_mode(dev, 1362 POLARIS_AVMODE_ANALOGT_TV); 1363 if (errCode < 0) { 1364 dev_err(dev->dev, 1365 "%s: Failed to set Power - errCode [%d]!\n", 1366 __func__, errCode); 1367 return errCode; 1368 } 1369 } 1370 1371 /* reset the Tuner, if it is a Xceive tuner */ 1372 if ((dev->board.tuner_type == TUNER_XC5000) || 1373 (dev->board.tuner_type == TUNER_XC2028)) 1374 cx231xx_gpio_set(dev, dev->board.tuner_gpio); 1375 1376 /* initialize Colibri block */ 1377 errCode = cx231xx_afe_init_super_block(dev, 0x23c); 1378 if (errCode < 0) { 1379 dev_err(dev->dev, 1380 "%s: cx231xx_afe init super block - errCode [%d]!\n", 1381 __func__, errCode); 1382 return errCode; 1383 } 1384 errCode = cx231xx_afe_init_channels(dev); 1385 if (errCode < 0) { 1386 dev_err(dev->dev, 1387 "%s: cx231xx_afe init channels - errCode [%d]!\n", 1388 __func__, errCode); 1389 return errCode; 1390 } 1391 1392 /* Set DIF in By pass mode */ 1393 errCode = cx231xx_dif_set_standard(dev, DIF_USE_BASEBAND); 1394 if (errCode < 0) { 1395 dev_err(dev->dev, 1396 "%s: cx231xx_dif set to By pass mode - errCode [%d]!\n", 1397 __func__, errCode); 1398 return errCode; 1399 } 1400 1401 /* I2S block related functions */ 1402 errCode = cx231xx_i2s_blk_initialize(dev); 1403 if (errCode < 0) { 1404 dev_err(dev->dev, 1405 "%s: cx231xx_i2s block initialize - errCode [%d]!\n", 1406 __func__, errCode); 1407 return errCode; 1408 } 1409 1410 /* init control pins */ 1411 errCode = cx231xx_init_ctrl_pin_status(dev); 1412 if (errCode < 0) { 1413 dev_err(dev->dev, 1414 "%s: cx231xx_init ctrl pins - errCode [%d]!\n", 1415 __func__, errCode); 1416 return errCode; 1417 } 1418 1419 /* set AGC mode to Analog */ 1420 switch (dev->model) { 1421 case CX231XX_BOARD_CNXT_CARRAERA: 1422 case CX231XX_BOARD_CNXT_RDE_250: 1423 case CX231XX_BOARD_CNXT_SHELBY: 1424 case CX231XX_BOARD_CNXT_RDU_250: 1425 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 1); 1426 break; 1427 case CX231XX_BOARD_CNXT_RDE_253S: 1428 case CX231XX_BOARD_CNXT_RDU_253S: 1429 case CX231XX_BOARD_HAUPPAUGE_EXETER: 1430 case CX231XX_BOARD_HAUPPAUGE_930C_HD_1113xx: 1431 case CX231XX_BOARD_PV_PLAYTV_USB_HYBRID: 1432 case CX231XX_BOARD_HAUPPAUGE_USB2_FM_PAL: 1433 case CX231XX_BOARD_HAUPPAUGE_USB2_FM_NTSC: 1434 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 0); 1435 break; 1436 default: 1437 break; 1438 } 1439 if (errCode < 0) { 1440 dev_err(dev->dev, 1441 "%s: cx231xx_AGC mode to Analog - errCode [%d]!\n", 1442 __func__, errCode); 1443 return errCode; 1444 } 1445 1446 /* set all alternate settings to zero initially */ 1447 cx231xx_set_alt_setting(dev, INDEX_VIDEO, 0); 1448 cx231xx_set_alt_setting(dev, INDEX_VANC, 0); 1449 cx231xx_set_alt_setting(dev, INDEX_HANC, 0); 1450 if (dev->board.has_dvb) 1451 cx231xx_set_alt_setting(dev, INDEX_TS1, 0); 1452 1453 errCode = 0; 1454 return errCode; 1455} 1456EXPORT_SYMBOL_GPL(cx231xx_dev_init); 1457 1458void cx231xx_dev_uninit(struct cx231xx *dev) 1459{ 1460 /* Un Initialize I2C bus */ 1461 cx231xx_i2c_mux_unregister(dev); 1462 cx231xx_i2c_unregister(&dev->i2c_bus[2]); 1463 cx231xx_i2c_unregister(&dev->i2c_bus[1]); 1464 cx231xx_i2c_unregister(&dev->i2c_bus[0]); 1465} 1466EXPORT_SYMBOL_GPL(cx231xx_dev_uninit); 1467 1468/***************************************************************** 1469* G P I O related functions * 1470******************************************************************/ 1471int cx231xx_send_gpio_cmd(struct cx231xx *dev, u32 gpio_bit, u8 *gpio_val, 1472 u8 len, u8 request, u8 direction) 1473{ 1474 int status = 0; 1475 struct VENDOR_REQUEST_IN ven_req; 1476 1477 /* Set wValue */ 1478 ven_req.wValue = (u16) (gpio_bit >> 16 & 0xffff); 1479 1480 /* set request */ 1481 if (!request) { 1482 if (direction) 1483 ven_req.bRequest = VRT_GET_GPIO; /* 0x9 gpio */ 1484 else 1485 ven_req.bRequest = VRT_SET_GPIO; /* 0x8 gpio */ 1486 } else { 1487 if (direction) 1488 ven_req.bRequest = VRT_GET_GPIE; /* 0xb gpie */ 1489 else 1490 ven_req.bRequest = VRT_SET_GPIE; /* 0xa gpie */ 1491 } 1492 1493 /* set index value */ 1494 ven_req.wIndex = (u16) (gpio_bit & 0xffff); 1495 1496 /* set wLength value */ 1497 ven_req.wLength = len; 1498 1499 /* set bData value */ 1500 ven_req.bData = 0; 1501 1502 /* set the buffer for read / write */ 1503 ven_req.pBuff = gpio_val; 1504 1505 /* set the direction */ 1506 if (direction) { 1507 ven_req.direction = USB_DIR_IN; 1508 memset(ven_req.pBuff, 0x00, ven_req.wLength); 1509 } else 1510 ven_req.direction = USB_DIR_OUT; 1511 1512 1513 /* call common vendor command request */ 1514 status = cx231xx_send_vendor_cmd(dev, &ven_req); 1515 if (status < 0) { 1516 dev_err(dev->dev, "%s: failed with status -%d\n", 1517 __func__, status); 1518 } 1519 1520 return status; 1521} 1522EXPORT_SYMBOL_GPL(cx231xx_send_gpio_cmd); 1523 1524/***************************************************************** 1525 * C O N T R O L - Register R E A D / W R I T E functions * 1526 *****************************************************************/ 1527int cx231xx_mode_register(struct cx231xx *dev, u16 address, u32 mode) 1528{ 1529 u8 value[4] = { 0x0, 0x0, 0x0, 0x0 }; 1530 u32 tmp = 0; 1531 int status = 0; 1532 1533 status = 1534 cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, address, value, 4); 1535 if (status < 0) 1536 return status; 1537 1538 tmp = le32_to_cpu(*((__le32 *) value)); 1539 tmp |= mode; 1540 1541 value[0] = (u8) tmp; 1542 value[1] = (u8) (tmp >> 8); 1543 value[2] = (u8) (tmp >> 16); 1544 value[3] = (u8) (tmp >> 24); 1545 1546 status = 1547 cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, address, value, 4); 1548 1549 return status; 1550} 1551 1552/***************************************************************** 1553 * I 2 C Internal C O N T R O L functions * 1554 *****************************************************************/ 1555int cx231xx_read_i2c_master(struct cx231xx *dev, u8 dev_addr, u16 saddr, 1556 u8 saddr_len, u32 *data, u8 data_len, int master) 1557{ 1558 int status = 0; 1559 struct cx231xx_i2c_xfer_data req_data; 1560 u8 value[64] = "0"; 1561 1562 if (saddr_len == 0) 1563 saddr = 0; 1564 else if (saddr_len == 1) 1565 saddr &= 0xff; 1566 1567 /* prepare xfer_data struct */ 1568 req_data.dev_addr = dev_addr >> 1; 1569 req_data.direction = I2C_M_RD; 1570 req_data.saddr_len = saddr_len; 1571 req_data.saddr_dat = saddr; 1572 req_data.buf_size = data_len; 1573 req_data.p_buffer = (u8 *) value; 1574 1575 /* usb send command */ 1576 if (master == 0) 1577 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[0], 1578 &req_data); 1579 else if (master == 1) 1580 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[1], 1581 &req_data); 1582 else if (master == 2) 1583 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[2], 1584 &req_data); 1585 1586 if (status >= 0) { 1587 /* Copy the data read back to main buffer */ 1588 if (data_len == 1) 1589 *data = value[0]; 1590 else if (data_len == 4) 1591 *data = 1592 value[0] | value[1] << 8 | value[2] << 16 | value[3] 1593 << 24; 1594 else if (data_len > 4) 1595 *data = value[saddr]; 1596 } 1597 1598 return status; 1599} 1600 1601int cx231xx_write_i2c_master(struct cx231xx *dev, u8 dev_addr, u16 saddr, 1602 u8 saddr_len, u32 data, u8 data_len, int master) 1603{ 1604 int status = 0; 1605 u8 value[4] = { 0, 0, 0, 0 }; 1606 struct cx231xx_i2c_xfer_data req_data; 1607 1608 value[0] = (u8) data; 1609 value[1] = (u8) (data >> 8); 1610 value[2] = (u8) (data >> 16); 1611 value[3] = (u8) (data >> 24); 1612 1613 if (saddr_len == 0) 1614 saddr = 0; 1615 else if (saddr_len == 1) 1616 saddr &= 0xff; 1617 1618 /* prepare xfer_data struct */ 1619 req_data.dev_addr = dev_addr >> 1; 1620 req_data.direction = 0; 1621 req_data.saddr_len = saddr_len; 1622 req_data.saddr_dat = saddr; 1623 req_data.buf_size = data_len; 1624 req_data.p_buffer = value; 1625 1626 /* usb send command */ 1627 if (master == 0) 1628 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[0], 1629 &req_data); 1630 else if (master == 1) 1631 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[1], 1632 &req_data); 1633 else if (master == 2) 1634 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[2], 1635 &req_data); 1636 1637 return status; 1638} 1639 1640int cx231xx_read_i2c_data(struct cx231xx *dev, u8 dev_addr, u16 saddr, 1641 u8 saddr_len, u32 *data, u8 data_len) 1642{ 1643 int status = 0; 1644 struct cx231xx_i2c_xfer_data req_data; 1645 u8 value[4] = { 0, 0, 0, 0 }; 1646 1647 if (saddr_len == 0) 1648 saddr = 0; 1649 else if (saddr_len == 1) 1650 saddr &= 0xff; 1651 1652 /* prepare xfer_data struct */ 1653 req_data.dev_addr = dev_addr >> 1; 1654 req_data.direction = I2C_M_RD; 1655 req_data.saddr_len = saddr_len; 1656 req_data.saddr_dat = saddr; 1657 req_data.buf_size = data_len; 1658 req_data.p_buffer = (u8 *) value; 1659 1660 /* usb send command */ 1661 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[0], &req_data); 1662 1663 if (status >= 0) { 1664 /* Copy the data read back to main buffer */ 1665 if (data_len == 1) 1666 *data = value[0]; 1667 else 1668 *data = 1669 value[0] | value[1] << 8 | value[2] << 16 | value[3] 1670 << 24; 1671 } 1672 1673 return status; 1674} 1675 1676int cx231xx_write_i2c_data(struct cx231xx *dev, u8 dev_addr, u16 saddr, 1677 u8 saddr_len, u32 data, u8 data_len) 1678{ 1679 int status = 0; 1680 u8 value[4] = { 0, 0, 0, 0 }; 1681 struct cx231xx_i2c_xfer_data req_data; 1682 1683 value[0] = (u8) data; 1684 value[1] = (u8) (data >> 8); 1685 value[2] = (u8) (data >> 16); 1686 value[3] = (u8) (data >> 24); 1687 1688 if (saddr_len == 0) 1689 saddr = 0; 1690 else if (saddr_len == 1) 1691 saddr &= 0xff; 1692 1693 /* prepare xfer_data struct */ 1694 req_data.dev_addr = dev_addr >> 1; 1695 req_data.direction = 0; 1696 req_data.saddr_len = saddr_len; 1697 req_data.saddr_dat = saddr; 1698 req_data.buf_size = data_len; 1699 req_data.p_buffer = value; 1700 1701 /* usb send command */ 1702 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[0], &req_data); 1703 1704 return status; 1705} 1706 1707int cx231xx_reg_mask_write(struct cx231xx *dev, u8 dev_addr, u8 size, 1708 u16 register_address, u8 bit_start, u8 bit_end, 1709 u32 value) 1710{ 1711 int status = 0; 1712 u32 tmp; 1713 u32 mask = 0; 1714 int i; 1715 1716 if (bit_start > (size - 1) || bit_end > (size - 1)) 1717 return -1; 1718 1719 if (size == 8) { 1720 status = 1721 cx231xx_read_i2c_data(dev, dev_addr, register_address, 2, 1722 &tmp, 1); 1723 } else { 1724 status = 1725 cx231xx_read_i2c_data(dev, dev_addr, register_address, 2, 1726 &tmp, 4); 1727 } 1728 1729 if (status < 0) 1730 return status; 1731 1732 mask = 1 << bit_end; 1733 for (i = bit_end; i > bit_start && i > 0; i--) 1734 mask = mask + (1 << (i - 1)); 1735 1736 value <<= bit_start; 1737 1738 if (size == 8) { 1739 tmp &= ~mask; 1740 tmp |= value; 1741 tmp &= 0xff; 1742 status = 1743 cx231xx_write_i2c_data(dev, dev_addr, register_address, 2, 1744 tmp, 1); 1745 } else { 1746 tmp &= ~mask; 1747 tmp |= value; 1748 status = 1749 cx231xx_write_i2c_data(dev, dev_addr, register_address, 2, 1750 tmp, 4); 1751 } 1752 1753 return status; 1754} 1755 1756int cx231xx_read_modify_write_i2c_dword(struct cx231xx *dev, u8 dev_addr, 1757 u16 saddr, u32 mask, u32 value) 1758{ 1759 u32 temp; 1760 int status = 0; 1761 1762 status = cx231xx_read_i2c_data(dev, dev_addr, saddr, 2, &temp, 4); 1763 1764 if (status < 0) 1765 return status; 1766 1767 temp &= ~mask; 1768 temp |= value; 1769 1770 status = cx231xx_write_i2c_data(dev, dev_addr, saddr, 2, temp, 4); 1771 1772 return status; 1773} 1774 1775u32 cx231xx_set_field(u32 field_mask, u32 data) 1776{ 1777 u32 temp; 1778 1779 for (temp = field_mask; (temp & 1) == 0; temp >>= 1) 1780 data <<= 1; 1781 1782 return data; 1783} 1784