usbvision-video.c revision c876a3468d0f136710af81595177889953d1ff71
1/* 2 * USB USBVISION Video device driver 0.9.9 3 * 4 * 5 * 6 * Copyright (c) 1999-2005 Joerg Heckenbach <joerg@heckenbach-aw.de> 7 * 8 * This module is part of usbvision driver project. 9 * 10 * This program is free software; you can redistribute it and/or modify 11 * it under the terms of the GNU General Public License as published by 12 * the Free Software Foundation; either version 2 of the License, or 13 * (at your option) any later version. 14 * 15 * This program is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 * GNU General Public License for more details. 19 * 20 * You should have received a copy of the GNU General Public License 21 * along with this program; if not, write to the Free Software 22 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 23 * 24 * Let's call the version 0.... until compression decoding is completely 25 * implemented. 26 * 27 * This driver is written by Jose Ignacio Gijon and Joerg Heckenbach. 28 * It was based on USB CPiA driver written by Peter Pregler, 29 * Scott J. Bertin and Johannes Erdfelt 30 * Ideas are taken from bttv driver by Ralph Metzler, Marcus Metzler & 31 * Gerd Knorr and zoran 36120/36125 driver by Pauline Middelink 32 * Updates to driver completed by Dwaine P. Garden 33 * 34 * 35 * TODO: 36 * - use submit_urb for all setup packets 37 * - Fix memory settings for nt1004. It is 4 times as big as the 38 * nt1003 memory. 39 * - Add audio on endpoint 3 for nt1004 chip. Seems impossible, needs a codec interface. Which one? 40 * - Clean up the driver. 41 * - optimization for performance. 42 * - Add Videotext capability (VBI). Working on it..... 43 * - Check audio for other devices 44 * 45 */ 46 47#include <linux/version.h> 48#include <linux/kernel.h> 49#include <linux/sched.h> 50#include <linux/list.h> 51#include <linux/timer.h> 52#include <linux/slab.h> 53#include <linux/mm.h> 54#include <linux/utsname.h> 55#include <linux/highmem.h> 56#include <linux/smp_lock.h> 57#include <linux/videodev.h> 58#include <linux/vmalloc.h> 59#include <linux/module.h> 60#include <linux/init.h> 61#include <linux/spinlock.h> 62#include <asm/io.h> 63#include <linux/videodev2.h> 64#include <linux/video_decoder.h> 65#include <linux/i2c.h> 66 67#include <media/saa7115.h> 68#include <media/v4l2-common.h> 69#include <media/tuner.h> 70#include <media/audiochip.h> 71 72#include <linux/moduleparam.h> 73#include <linux/workqueue.h> 74 75#ifdef CONFIG_KMOD 76#include <linux/kmod.h> 77#endif 78 79#include "usbvision.h" 80 81#define DRIVER_AUTHOR "Joerg Heckenbach <joerg@heckenbach-aw.de>, Dwaine Garden <DwaineGarden@rogers.com>" 82#define DRIVER_NAME "usbvision" 83#define DRIVER_ALIAS "USBVision" 84#define DRIVER_DESC "USBVision USB Video Device Driver for Linux" 85#define DRIVER_LICENSE "GPL" 86#define USBVISION_DRIVER_VERSION_MAJOR 0 87#define USBVISION_DRIVER_VERSION_MINOR 9 88#define USBVISION_DRIVER_VERSION_PATCHLEVEL 9 89#define USBVISION_DRIVER_VERSION KERNEL_VERSION(USBVISION_DRIVER_VERSION_MAJOR,USBVISION_DRIVER_VERSION_MINOR,USBVISION_DRIVER_VERSION_PATCHLEVEL) 90#define USBVISION_VERSION_STRING __stringify(USBVISION_DRIVER_VERSION_MAJOR) "." __stringify(USBVISION_DRIVER_VERSION_MINOR) "." __stringify(USBVISION_DRIVER_VERSION_PATCHLEVEL) 91 92#define ENABLE_HEXDUMP 0 /* Enable if you need it */ 93 94 95#ifdef USBVISION_DEBUG 96 #define PDEBUG(level, fmt, args...) \ 97 if (video_debug & (level)) info("[%s:%d] " fmt, __PRETTY_FUNCTION__, __LINE__ , ## args) 98#else 99 #define PDEBUG(level, fmt, args...) do {} while(0) 100#endif 101 102#define DBG_IOCTL 1<<0 103#define DBG_IO 1<<1 104#define DBG_PROBE 1<<2 105#define DBG_MMAP 1<<3 106 107//String operations 108#define rmspace(str) while(*str==' ') str++; 109#define goto2next(str) while(*str!=' ') str++; while(*str==' ') str++; 110 111 112static int usbvision_nr = 0; // sequential number of usbvision device 113 114static struct usbvision_v4l2_format_st usbvision_v4l2_format[] = { 115 { 1, 1, 8, V4L2_PIX_FMT_GREY , "GREY" }, 116 { 1, 2, 16, V4L2_PIX_FMT_RGB565 , "RGB565" }, 117 { 1, 3, 24, V4L2_PIX_FMT_RGB24 , "RGB24" }, 118 { 1, 4, 32, V4L2_PIX_FMT_RGB32 , "RGB32" }, 119 { 1, 2, 16, V4L2_PIX_FMT_RGB555 , "RGB555" }, 120 { 1, 2, 16, V4L2_PIX_FMT_YUYV , "YUV422" }, 121 { 1, 2, 12, V4L2_PIX_FMT_YVU420 , "YUV420P" }, // 1.5 ! 122 { 1, 2, 16, V4L2_PIX_FMT_YUV422P , "YUV422P" } 123}; 124 125/* supported tv norms */ 126static struct usbvision_tvnorm tvnorms[] = { 127 { 128 .name = "PAL", 129 .id = V4L2_STD_PAL, 130 }, { 131 .name = "NTSC", 132 .id = V4L2_STD_NTSC, 133 }, { 134 .name = "SECAM", 135 .id = V4L2_STD_SECAM, 136 }, { 137 .name = "PAL-M", 138 .id = V4L2_STD_PAL_M, 139 } 140}; 141 142#define TVNORMS ARRAY_SIZE(tvnorms) 143 144// Function prototypes 145static void usbvision_release(struct usb_usbvision *usbvision); 146 147// Default initalization of device driver parameters 148static int isocMode = ISOC_MODE_COMPRESS; // Set the default format for ISOC endpoint 149static int video_debug = 0; // Set the default Debug Mode of the device driver 150static int PowerOnAtOpen = 1; // Set the default device to power on at startup 151static int video_nr = -1; // Sequential Number of Video Device 152static int radio_nr = -1; // Sequential Number of Radio Device 153static int vbi_nr = -1; // Sequential Number of VBI Device 154static char *CustomDevice=NULL; // Set as nothing.... 155 156// Grab parameters for the device driver 157 158#if defined(module_param) // Showing parameters under SYSFS 159module_param(isocMode, int, 0444); 160module_param(video_debug, int, 0444); 161module_param(PowerOnAtOpen, int, 0444); 162module_param(video_nr, int, 0444); 163module_param(radio_nr, int, 0444); 164module_param(vbi_nr, int, 0444); 165module_param(CustomDevice, charp, 0444); 166#else // Old Style 167MODULE_PARAM(isocMode, "i"); 168MODULE_PARM(video_debug, "i"); // Grab the Debug Mode of the device driver 169MODULE_PARM(adjustCompression, "i"); // Grab the compression to be adaptive 170MODULE_PARM(PowerOnAtOpen, "i"); // Grab the device to power on at startup 171MODULE_PARM(SwitchSVideoInput, "i"); // To help people with Black and White output with using s-video input. Some cables and input device are wired differently. 172MODULE_PARM(video_nr, "i"); // video_nr option allows to specify a certain /dev/videoX device (like /dev/video0 or /dev/video1 ...) 173MODULE_PARM(radio_nr, "i"); // radio_nr option allows to specify a certain /dev/radioX device (like /dev/radio0 or /dev/radio1 ...) 174MODULE_PARM(vbi_nr, "i"); // vbi_nr option allows to specify a certain /dev/vbiX device (like /dev/vbi0 or /dev/vbi1 ...) 175MODULE_PARM(CustomDevice, "s"); // .... CustomDevice 176#endif 177 178MODULE_PARM_DESC(isocMode, " Set the default format for ISOC endpoint. Default: 0x60 (Compression On)"); 179MODULE_PARM_DESC(video_debug, " Set the default Debug Mode of the device driver. Default: 0 (Off)"); 180MODULE_PARM_DESC(PowerOnAtOpen, " Set the default device to power on when device is opened. Default: 1 (On)"); 181MODULE_PARM_DESC(video_nr, "Set video device number (/dev/videoX). Default: -1 (autodetect)"); 182MODULE_PARM_DESC(radio_nr, "Set radio device number (/dev/radioX). Default: -1 (autodetect)"); 183MODULE_PARM_DESC(vbi_nr, "Set vbi device number (/dev/vbiX). Default: -1 (autodetect)"); 184MODULE_PARM_DESC(CustomDevice, " Define the fine tuning parameters for the device. Default: null"); 185 186 187// Misc stuff 188MODULE_AUTHOR(DRIVER_AUTHOR); 189MODULE_DESCRIPTION(DRIVER_DESC); 190MODULE_LICENSE(DRIVER_LICENSE); 191MODULE_VERSION(USBVISION_VERSION_STRING); 192MODULE_ALIAS(DRIVER_ALIAS); 193 194 195/****************************************************************************************/ 196/* SYSFS Code - Copied from the stv680.c usb module. */ 197/* Device information is located at /sys/class/video4linux/video0 */ 198/* Device parameters information is located at /sys/module/usbvision */ 199/* Device USB Information is located at /sys/bus/usb/drivers/USBVision Video Grabber */ 200/****************************************************************************************/ 201 202 203#define YES_NO(x) ((x) ? "Yes" : "No") 204 205static inline struct usb_usbvision *cd_to_usbvision(struct class_device *cd) 206{ 207 struct video_device *vdev = to_video_device(cd); 208 return video_get_drvdata(vdev); 209} 210 211static ssize_t show_version(struct class_device *cd, char *buf) 212{ 213 return sprintf(buf, "%s\n", USBVISION_VERSION_STRING); 214} 215static CLASS_DEVICE_ATTR(version, S_IRUGO, show_version, NULL); 216 217static ssize_t show_model(struct class_device *class_dev, char *buf) 218{ 219 struct video_device *vdev = to_video_device(class_dev); 220 struct usb_usbvision *usbvision = video_get_drvdata(vdev); 221 return sprintf(buf, "%s\n", usbvision_device_data[usbvision->DevModel].ModelString); 222} 223static CLASS_DEVICE_ATTR(model, S_IRUGO, show_model, NULL); 224 225static ssize_t show_hue(struct class_device *class_dev, char *buf) 226{ 227 struct video_device *vdev = to_video_device(class_dev); 228 struct usb_usbvision *usbvision = video_get_drvdata(vdev); 229 struct v4l2_control ctrl; 230 ctrl.id = V4L2_CID_HUE; 231 ctrl.value = 0; 232 call_i2c_clients(usbvision, VIDIOC_G_CTRL, &ctrl); 233 return sprintf(buf, "%d\n", ctrl.value >> 8); 234} 235static CLASS_DEVICE_ATTR(hue, S_IRUGO, show_hue, NULL); 236 237static ssize_t show_contrast(struct class_device *class_dev, char *buf) 238{ 239 struct video_device *vdev = to_video_device(class_dev); 240 struct usb_usbvision *usbvision = video_get_drvdata(vdev); 241 struct v4l2_control ctrl; 242 ctrl.id = V4L2_CID_CONTRAST; 243 ctrl.value = 0; 244 call_i2c_clients(usbvision, VIDIOC_G_CTRL, &ctrl); 245 return sprintf(buf, "%d\n", ctrl.value >> 8); 246} 247static CLASS_DEVICE_ATTR(contrast, S_IRUGO, show_contrast, NULL); 248 249static ssize_t show_brightness(struct class_device *class_dev, char *buf) 250{ 251 struct video_device *vdev = to_video_device(class_dev); 252 struct usb_usbvision *usbvision = video_get_drvdata(vdev); 253 struct v4l2_control ctrl; 254 ctrl.id = V4L2_CID_BRIGHTNESS; 255 ctrl.value = 0; 256 call_i2c_clients(usbvision, VIDIOC_G_CTRL, &ctrl); 257 return sprintf(buf, "%d\n", ctrl.value >> 8); 258} 259static CLASS_DEVICE_ATTR(brightness, S_IRUGO, show_brightness, NULL); 260 261static ssize_t show_saturation(struct class_device *class_dev, char *buf) 262{ 263 struct video_device *vdev = to_video_device(class_dev); 264 struct usb_usbvision *usbvision = video_get_drvdata(vdev); 265 struct v4l2_control ctrl; 266 ctrl.id = V4L2_CID_SATURATION; 267 ctrl.value = 0; 268 call_i2c_clients(usbvision, VIDIOC_G_CTRL, &ctrl); 269 return sprintf(buf, "%d\n", ctrl.value >> 8); 270} 271static CLASS_DEVICE_ATTR(saturation, S_IRUGO, show_saturation, NULL); 272 273static ssize_t show_streaming(struct class_device *class_dev, char *buf) 274{ 275 struct video_device *vdev = to_video_device(class_dev); 276 struct usb_usbvision *usbvision = video_get_drvdata(vdev); 277 return sprintf(buf, "%s\n", YES_NO(usbvision->streaming==Stream_On?1:0)); 278} 279static CLASS_DEVICE_ATTR(streaming, S_IRUGO, show_streaming, NULL); 280 281static ssize_t show_compression(struct class_device *class_dev, char *buf) 282{ 283 struct video_device *vdev = to_video_device(class_dev); 284 struct usb_usbvision *usbvision = video_get_drvdata(vdev); 285 return sprintf(buf, "%s\n", YES_NO(usbvision->isocMode==ISOC_MODE_COMPRESS)); 286} 287static CLASS_DEVICE_ATTR(compression, S_IRUGO, show_compression, NULL); 288 289static ssize_t show_device_bridge(struct class_device *class_dev, char *buf) 290{ 291 struct video_device *vdev = to_video_device(class_dev); 292 struct usb_usbvision *usbvision = video_get_drvdata(vdev); 293 return sprintf(buf, "%d\n", usbvision->bridgeType); 294} 295static CLASS_DEVICE_ATTR(bridge, S_IRUGO, show_device_bridge, NULL); 296 297static void usbvision_create_sysfs(struct video_device *vdev) 298{ 299 int res; 300 if (vdev) { 301 res=video_device_create_file(vdev, &class_device_attr_version); 302 res=video_device_create_file(vdev, &class_device_attr_model); 303 res=video_device_create_file(vdev, &class_device_attr_hue); 304 res=video_device_create_file(vdev, &class_device_attr_contrast); 305 res=video_device_create_file(vdev, &class_device_attr_brightness); 306 res=video_device_create_file(vdev, &class_device_attr_saturation); 307 res=video_device_create_file(vdev, &class_device_attr_streaming); 308 res=video_device_create_file(vdev, &class_device_attr_compression); 309 res=video_device_create_file(vdev, &class_device_attr_bridge); 310 } 311} 312 313static void usbvision_remove_sysfs(struct video_device *vdev) 314{ 315 if (vdev) { 316 video_device_remove_file(vdev, &class_device_attr_version); 317 video_device_remove_file(vdev, &class_device_attr_model); 318 video_device_remove_file(vdev, &class_device_attr_hue); 319 video_device_remove_file(vdev, &class_device_attr_contrast); 320 video_device_remove_file(vdev, &class_device_attr_brightness); 321 video_device_remove_file(vdev, &class_device_attr_saturation); 322 video_device_remove_file(vdev, &class_device_attr_streaming); 323 video_device_remove_file(vdev, &class_device_attr_compression); 324 video_device_remove_file(vdev, &class_device_attr_bridge); 325 } 326} 327 328 329/* 330 * usbvision_open() 331 * 332 * This is part of Video 4 Linux API. The driver can be opened by one 333 * client only (checks internal counter 'usbvision->user'). The procedure 334 * then allocates buffers needed for video processing. 335 * 336 */ 337static int usbvision_v4l2_open(struct inode *inode, struct file *file) 338{ 339 struct video_device *dev = video_devdata(file); 340 struct usb_usbvision *usbvision = (struct usb_usbvision *) video_get_drvdata(dev); 341 int errCode = 0; 342 343 PDEBUG(DBG_IO, "open"); 344 345 346 usbvision_reset_powerOffTimer(usbvision); 347 348 if (usbvision->user) 349 errCode = -EBUSY; 350 else { 351 /* Allocate memory for the frame buffers */ 352 errCode = usbvision_frames_alloc(usbvision); 353 if(!errCode) { 354 /* Allocate memory for the scratch ring buffer */ 355 errCode = usbvision_scratch_alloc(usbvision); 356 if(!errCode) { 357 /* Allocate memory for the USB S buffers */ 358 errCode = usbvision_sbuf_alloc(usbvision); 359 if ((!errCode) && (usbvision->isocMode==ISOC_MODE_COMPRESS)) { 360 /* Allocate intermediate decompression buffers only if needed */ 361 errCode = usbvision_decompress_alloc(usbvision); 362 } 363 } 364 } 365 if (errCode) { 366 /* Deallocate all buffers if trouble */ 367 usbvision_frames_free(usbvision); 368 usbvision_scratch_free(usbvision); 369 usbvision_sbuf_free(usbvision); 370 usbvision_decompress_free(usbvision); 371 } 372 } 373 374 /* If so far no errors then we shall start the camera */ 375 if (!errCode) { 376 down(&usbvision->lock); 377 if (usbvision->power == 0) { 378 usbvision_power_on(usbvision); 379 usbvision_init_i2c(usbvision); 380 } 381 382 /* Send init sequence only once, it's large! */ 383 if (!usbvision->initialized) { 384 int setup_ok = 0; 385 setup_ok = usbvision_setup(usbvision,isocMode); 386 if (setup_ok) 387 usbvision->initialized = 1; 388 else 389 errCode = -EBUSY; 390 } 391 392 if (!errCode) { 393 usbvision_begin_streaming(usbvision); 394 errCode = usbvision_init_isoc(usbvision); 395 /* device needs to be initialized before isoc transfer */ 396 usbvision_muxsel(usbvision,0); 397 usbvision->user++; 398 } 399 else { 400 if (PowerOnAtOpen) { 401 usbvision_i2c_usb_del_bus(&usbvision->i2c_adap); 402 usbvision_power_off(usbvision); 403 usbvision->initialized = 0; 404 } 405 } 406 up(&usbvision->lock); 407 } 408 409 if (errCode) { 410 } 411 412 /* prepare queues */ 413 usbvision_empty_framequeues(usbvision); 414 415 PDEBUG(DBG_IO, "success"); 416 return errCode; 417} 418 419/* 420 * usbvision_v4l2_close() 421 * 422 * This is part of Video 4 Linux API. The procedure 423 * stops streaming and deallocates all buffers that were earlier 424 * allocated in usbvision_v4l2_open(). 425 * 426 */ 427static int usbvision_v4l2_close(struct inode *inode, struct file *file) 428{ 429 struct video_device *dev = video_devdata(file); 430 struct usb_usbvision *usbvision = (struct usb_usbvision *) video_get_drvdata(dev); 431 432 PDEBUG(DBG_IO, "close"); 433 down(&usbvision->lock); 434 435 usbvision_audio_off(usbvision); 436 usbvision_restart_isoc(usbvision); 437 usbvision_stop_isoc(usbvision); 438 439 usbvision_decompress_free(usbvision); 440 usbvision_rvfree(usbvision->fbuf, usbvision->fbuf_size); 441 usbvision_scratch_free(usbvision); 442 usbvision_sbuf_free(usbvision); 443 444 usbvision->user--; 445 446 if (PowerOnAtOpen) { 447 /* power off in a little while to avoid off/on every close/open short sequences */ 448 usbvision_set_powerOffTimer(usbvision); 449 usbvision->initialized = 0; 450 } 451 452 up(&usbvision->lock); 453 454 if (usbvision->remove_pending) { 455 info("%s: Final disconnect", __FUNCTION__); 456 usbvision_release(usbvision); 457 } 458 459 PDEBUG(DBG_IO, "success"); 460 461 462 return 0; 463} 464 465 466/* 467 * usbvision_ioctl() 468 * 469 * This is part of Video 4 Linux API. The procedure handles ioctl() calls. 470 * 471 */ 472static int usbvision_v4l2_do_ioctl(struct inode *inode, struct file *file, 473 unsigned int cmd, void *arg) 474{ 475 struct video_device *dev = video_devdata(file); 476 struct usb_usbvision *usbvision = (struct usb_usbvision *) video_get_drvdata(dev); 477 478 if (!USBVISION_IS_OPERATIONAL(usbvision)) 479 return -EFAULT; 480 481 switch (cmd) { 482 483#ifdef CONFIG_VIDEO_ADV_DEBUG 484 /* ioctls to allow direct acces to the NT100x registers */ 485 case VIDIOC_INT_G_REGISTER: 486 { 487 struct v4l2_register *reg = arg; 488 int errCode; 489 490 if (reg->i2c_id != 0) 491 return -EINVAL; 492 /* NT100x has a 8-bit register space */ 493 errCode = usbvision_read_reg(usbvision, reg->reg&0xff); 494 if (errCode < 0) { 495 err("%s: VIDIOC_INT_G_REGISTER failed: error %d", __FUNCTION__, errCode); 496 } 497 else { 498 reg->val=(unsigned char)errCode; 499 PDEBUG(DBG_IOCTL, "VIDIOC_INT_G_REGISTER reg=0x%02X, value=0x%02X", 500 (unsigned int)reg->reg, reg->val); 501 errCode = 0; // No error 502 } 503 return errCode; 504 } 505 case VIDIOC_INT_S_REGISTER: 506 { 507 struct v4l2_register *reg = arg; 508 int errCode; 509 510 if (reg->i2c_id != 0) 511 return -EINVAL; 512 if (!capable(CAP_SYS_ADMIN)) 513 return -EPERM; 514 errCode = usbvision_write_reg(usbvision, reg->reg&0xff, reg->val); 515 if (errCode < 0) { 516 err("%s: VIDIOC_INT_S_REGISTER failed: error %d", __FUNCTION__, errCode); 517 } 518 else { 519 PDEBUG(DBG_IOCTL, "VIDIOC_INT_S_REGISTER reg=0x%02X, value=0x%02X", 520 (unsigned int)reg->reg, reg->val); 521 errCode = 0; 522 } 523 return 0; 524 } 525#endif 526 case VIDIOC_QUERYCAP: 527 { 528 struct v4l2_capability *vc=arg; 529 530 memset(vc, 0, sizeof(*vc)); 531 strlcpy(vc->driver, "USBVision", sizeof(vc->driver)); 532 strlcpy(vc->card, usbvision_device_data[usbvision->DevModel].ModelString, 533 sizeof(vc->card)); 534 strlcpy(vc->bus_info, usbvision->dev->dev.bus_id, 535 sizeof(vc->bus_info)); 536 vc->version = USBVISION_DRIVER_VERSION; 537 vc->capabilities = V4L2_CAP_VIDEO_CAPTURE | 538 V4L2_CAP_AUDIO | 539 V4L2_CAP_READWRITE | 540 V4L2_CAP_STREAMING | 541 (usbvision->have_tuner ? V4L2_CAP_TUNER : 0); 542 PDEBUG(DBG_IOCTL, "VIDIOC_QUERYCAP"); 543 return 0; 544 } 545 case VIDIOC_ENUMINPUT: 546 { 547 struct v4l2_input *vi = arg; 548 int chan; 549 550 if ((vi->index >= usbvision->video_inputs) || (vi->index < 0) ) 551 return -EINVAL; 552 if (usbvision->have_tuner) { 553 chan = vi->index; 554 } 555 else { 556 chan = vi->index + 1; //skip Television string 557 } 558 switch(chan) { 559 case 0: 560 if (usbvision_device_data[usbvision->DevModel].VideoChannels == 4) { 561 strcpy(vi->name, "White Video Input"); 562 } 563 else { 564 strcpy(vi->name, "Television"); 565 vi->type = V4L2_INPUT_TYPE_TUNER; 566 vi->audioset = 1; 567 vi->tuner = chan; 568 vi->std = V4L2_STD_PAL | V4L2_STD_NTSC | V4L2_STD_SECAM; 569 } 570 break; 571 case 1: 572 vi->type = V4L2_INPUT_TYPE_CAMERA; 573 if (usbvision_device_data[usbvision->DevModel].VideoChannels == 4) { 574 strcpy(vi->name, "Green Video Input"); 575 } 576 else { 577 strcpy(vi->name, "Composite Video Input"); 578 } 579 vi->std = V4L2_STD_PAL; 580 break; 581 case 2: 582 vi->type = V4L2_INPUT_TYPE_CAMERA; 583 if (usbvision_device_data[usbvision->DevModel].VideoChannels == 4) { 584 strcpy(vi->name, "Yellow Video Input"); 585 } 586 else { 587 strcpy(vi->name, "S-Video Input"); 588 } 589 vi->std = V4L2_STD_PAL; 590 break; 591 case 3: 592 vi->type = V4L2_INPUT_TYPE_CAMERA; 593 strcpy(vi->name, "Red Video Input"); 594 vi->std = V4L2_STD_PAL; 595 break; 596 } 597 PDEBUG(DBG_IOCTL, "VIDIOC_ENUMINPUT name=%s:%d tuners=%d type=%d norm=%x", 598 vi->name, vi->index, vi->tuner,vi->type,(int)vi->std); 599 return 0; 600 } 601 case VIDIOC_ENUMSTD: 602 { 603 struct v4l2_standard *e = arg; 604 unsigned int i; 605 int ret; 606 607 i = e->index; 608 if (i >= TVNORMS) 609 return -EINVAL; 610 ret = v4l2_video_std_construct(e, tvnorms[e->index].id, 611 tvnorms[e->index].name); 612 e->index = i; 613 if (ret < 0) 614 return ret; 615 return 0; 616 } 617 case VIDIOC_G_INPUT: 618 { 619 int *input = arg; 620 *input = usbvision->ctl_input; 621 return 0; 622 } 623 case VIDIOC_S_INPUT: 624 { 625 int *input = arg; 626 if ((*input >= usbvision->video_inputs) || (*input < 0) ) 627 return -EINVAL; 628 usbvision->ctl_input = *input; 629 630 down(&usbvision->lock); 631 usbvision_muxsel(usbvision, usbvision->ctl_input); 632 usbvision_set_input(usbvision); 633 usbvision_set_output(usbvision, usbvision->curwidth, usbvision->curheight); 634 up(&usbvision->lock); 635 return 0; 636 } 637 case VIDIOC_G_STD: 638 { 639 v4l2_std_id *id = arg; 640 641 *id = usbvision->tvnorm->id; 642 643 PDEBUG(DBG_IOCTL, "VIDIOC_G_STD std_id=%s", usbvision->tvnorm->name); 644 return 0; 645 } 646 case VIDIOC_S_STD: 647 { 648 v4l2_std_id *id = arg; 649 unsigned int i; 650 651 for (i = 0; i < TVNORMS; i++) 652 if (*id == tvnorms[i].id) 653 break; 654 if (i == TVNORMS) 655 for (i = 0; i < TVNORMS; i++) 656 if (*id & tvnorms[i].id) 657 break; 658 if (i == TVNORMS) 659 return -EINVAL; 660 661 down(&usbvision->lock); 662 usbvision->tvnorm = &tvnorms[i]; 663 664 call_i2c_clients(usbvision, VIDIOC_S_STD, 665 &usbvision->tvnorm->id); 666 667 up(&usbvision->lock); 668 669 PDEBUG(DBG_IOCTL, "VIDIOC_S_STD std_id=%s", usbvision->tvnorm->name); 670 return 0; 671 } 672 case VIDIOC_G_TUNER: 673 { 674 struct v4l2_tuner *vt = arg; 675 676 if (!usbvision->have_tuner || vt->index) // Only tuner 0 677 return -EINVAL; 678 strcpy(vt->name, "Television"); 679 /* Let clients fill in the remainder of this struct */ 680 call_i2c_clients(usbvision,VIDIOC_G_TUNER,vt); 681 682 PDEBUG(DBG_IOCTL, "VIDIOC_G_TUNER signal=%x, afc=%x",vt->signal,vt->afc); 683 return 0; 684 } 685 case VIDIOC_S_TUNER: 686 { 687 struct v4l2_tuner *vt = arg; 688 689 // Only no or one tuner for now 690 if (!usbvision->have_tuner || vt->index) 691 return -EINVAL; 692 /* let clients handle this */ 693 call_i2c_clients(usbvision,VIDIOC_S_TUNER,vt); 694 695 PDEBUG(DBG_IOCTL, "VIDIOC_S_TUNER"); 696 return 0; 697 } 698 case VIDIOC_G_FREQUENCY: 699 { 700 struct v4l2_frequency *freq = arg; 701 702 freq->tuner = 0; // Only one tuner 703 freq->type = V4L2_TUNER_ANALOG_TV; 704 freq->frequency = usbvision->freq; 705 PDEBUG(DBG_IOCTL, "VIDIOC_G_FREQUENCY freq=0x%X", (unsigned)freq->frequency); 706 return 0; 707 } 708 case VIDIOC_S_FREQUENCY: 709 { 710 struct v4l2_frequency *freq = arg; 711 712 // Only no or one tuner for now 713 if (!usbvision->have_tuner || freq->tuner) 714 return -EINVAL; 715 716 usbvision->freq = freq->frequency; 717 call_i2c_clients(usbvision, cmd, freq); 718 PDEBUG(DBG_IOCTL, "VIDIOC_S_FREQUENCY freq=0x%X", (unsigned)freq->frequency); 719 return 0; 720 } 721 case VIDIOC_G_AUDIO: 722 { 723 struct v4l2_audio *v = arg; 724 memset(v,0, sizeof(v)); 725 strcpy(v->name, "TV"); 726 PDEBUG(DBG_IOCTL, "VIDIOC_G_AUDIO"); 727 return 0; 728 } 729 case VIDIOC_S_AUDIO: 730 { 731 struct v4l2_audio *v = arg; 732 if(v->index) { 733 return -EINVAL; 734 } 735 PDEBUG(DBG_IOCTL, "VIDIOC_S_AUDIO"); 736 return 0; 737 } 738 case VIDIOC_QUERYCTRL: 739 { 740 struct v4l2_queryctrl *ctrl = arg; 741 int id=ctrl->id; 742 743 memset(ctrl,0,sizeof(*ctrl)); 744 ctrl->id=id; 745 746 call_i2c_clients(usbvision, cmd, arg); 747 748 if (ctrl->type) 749 return 0; 750 else 751 return -EINVAL; 752 753 PDEBUG(DBG_IOCTL,"VIDIOC_QUERYCTRL id=%x value=%x",ctrl->id,ctrl->type); 754 } 755 case VIDIOC_G_CTRL: 756 { 757 struct v4l2_control *ctrl = arg; 758 PDEBUG(DBG_IOCTL,"VIDIOC_G_CTRL id=%x value=%x",ctrl->id,ctrl->value); 759 call_i2c_clients(usbvision, VIDIOC_G_CTRL, ctrl); 760 return 0; 761 } 762 case VIDIOC_S_CTRL: 763 { 764 struct v4l2_control *ctrl = arg; 765 766 PDEBUG(DBG_IOCTL, "VIDIOC_S_CTRL id=%x value=%x",ctrl->id,ctrl->value); 767 call_i2c_clients(usbvision, VIDIOC_S_CTRL, ctrl); 768 return 0; 769 } 770 case VIDIOC_REQBUFS: 771 { 772 struct v4l2_requestbuffers *vr = arg; 773 int ret; 774 775 RESTRICT_TO_RANGE(vr->count,1,USBVISION_NUMFRAMES); 776 777 // Check input validity : the user must do a VIDEO CAPTURE and MMAP method. 778 if((vr->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) || 779 (vr->memory != V4L2_MEMORY_MMAP)) 780 return -EINVAL; 781 782 if(usbvision->streaming == Stream_On) { 783 if ((ret = usbvision_stream_interrupt(usbvision))) 784 return ret; 785 } 786 787 usbvision_empty_framequeues(usbvision); 788 789 usbvision->curFrame = NULL; 790 791 PDEBUG(DBG_IOCTL, "VIDIOC_REQBUFS count=%d",vr->count); 792 return 0; 793 } 794 case VIDIOC_QUERYBUF: 795 { 796 struct v4l2_buffer *vb = arg; 797 struct usbvision_frame *frame; 798 799 // FIXME : must control that buffers are mapped (VIDIOC_REQBUFS has been called) 800 801 if(vb->type != V4L2_CAP_VIDEO_CAPTURE) { 802 return -EINVAL; 803 } 804 if(vb->index>=USBVISION_NUMFRAMES) { 805 return -EINVAL; 806 } 807 // Updating the corresponding frame state 808 vb->flags = 0; 809 frame = &usbvision->frame[vb->index]; 810 if(frame->grabstate >= FrameState_Ready) 811 vb->flags |= V4L2_BUF_FLAG_QUEUED; 812 if(frame->grabstate >= FrameState_Done) 813 vb->flags |= V4L2_BUF_FLAG_DONE; 814 if(frame->grabstate == FrameState_Unused) 815 vb->flags |= V4L2_BUF_FLAG_MAPPED; 816 vb->memory = V4L2_MEMORY_MMAP; 817 818 vb->m.offset = vb->index*usbvision->max_frame_size; 819 820 vb->memory = V4L2_MEMORY_MMAP; 821 vb->field = V4L2_FIELD_NONE; 822 vb->length = usbvision->curwidth*usbvision->curheight*usbvision->palette.bytes_per_pixel; 823 vb->timestamp = usbvision->frame[vb->index].timestamp; 824 vb->sequence = usbvision->frame[vb->index].sequence; 825 return 0; 826 } 827 case VIDIOC_QBUF: 828 { 829 struct v4l2_buffer *vb = arg; 830 struct usbvision_frame *frame; 831 unsigned long lock_flags; 832 833 // FIXME : works only on VIDEO_CAPTURE MODE, MMAP. 834 if(vb->type != V4L2_CAP_VIDEO_CAPTURE) { 835 return -EINVAL; 836 } 837 if(vb->index>=USBVISION_NUMFRAMES) { 838 return -EINVAL; 839 } 840 841 frame = &usbvision->frame[vb->index]; 842 843 if (frame->grabstate != FrameState_Unused) { 844 return -EAGAIN; 845 } 846 847 /* Mark it as ready and enqueue frame */ 848 frame->grabstate = FrameState_Ready; 849 frame->scanstate = ScanState_Scanning; 850 frame->scanlength = 0; /* Accumulated in usbvision_parse_data() */ 851 852 vb->flags &= ~V4L2_BUF_FLAG_DONE; 853 854 /* set v4l2_format index */ 855 frame->v4l2_format = usbvision->palette; 856 857 spin_lock_irqsave(&usbvision->queue_lock, lock_flags); 858 list_add_tail(&usbvision->frame[vb->index].frame, &usbvision->inqueue); 859 spin_unlock_irqrestore(&usbvision->queue_lock, lock_flags); 860 861 PDEBUG(DBG_IOCTL, "VIDIOC_QBUF frame #%d",vb->index); 862 return 0; 863 } 864 case VIDIOC_DQBUF: 865 { 866 struct v4l2_buffer *vb = arg; 867 int ret; 868 struct usbvision_frame *f; 869 unsigned long lock_flags; 870 871 if (vb->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) 872 return -EINVAL; 873 874 if (list_empty(&(usbvision->outqueue))) { 875 if (usbvision->streaming == Stream_Idle) 876 return -EINVAL; 877 ret = wait_event_interruptible 878 (usbvision->wait_frame, 879 !list_empty(&(usbvision->outqueue))); 880 if (ret) 881 return ret; 882 } 883 884 spin_lock_irqsave(&usbvision->queue_lock, lock_flags); 885 f = list_entry(usbvision->outqueue.next, 886 struct usbvision_frame, frame); 887 list_del(usbvision->outqueue.next); 888 spin_unlock_irqrestore(&usbvision->queue_lock, lock_flags); 889 890 f->grabstate = FrameState_Unused; 891 892 vb->memory = V4L2_MEMORY_MMAP; 893 vb->flags = V4L2_BUF_FLAG_MAPPED | V4L2_BUF_FLAG_QUEUED | V4L2_BUF_FLAG_DONE; 894 vb->index = f->index; 895 vb->sequence = f->sequence; 896 vb->timestamp = f->timestamp; 897 vb->field = V4L2_FIELD_NONE; 898 vb->bytesused = f->scanlength; 899 900 return 0; 901 } 902 case VIDIOC_STREAMON: 903 { 904 int b=V4L2_BUF_TYPE_VIDEO_CAPTURE; 905 906 usbvision->streaming = Stream_On; 907 908 call_i2c_clients(usbvision,VIDIOC_STREAMON , &b); 909 910 PDEBUG(DBG_IOCTL, "VIDIOC_STREAMON"); 911 912 return 0; 913 } 914 case VIDIOC_STREAMOFF: 915 { 916 int *type = arg; 917 int b=V4L2_BUF_TYPE_VIDEO_CAPTURE; 918 919 if (*type != V4L2_BUF_TYPE_VIDEO_CAPTURE) 920 return -EINVAL; 921 922 if(usbvision->streaming == Stream_On) { 923 usbvision_stream_interrupt(usbvision); 924 // Stop all video streamings 925 call_i2c_clients(usbvision,VIDIOC_STREAMOFF , &b); 926 } 927 usbvision_empty_framequeues(usbvision); 928 929 PDEBUG(DBG_IOCTL, "VIDIOC_STREAMOFF"); 930 return 0; 931 } 932 case VIDIOC_ENUM_FMT: 933 { 934 struct v4l2_fmtdesc *vfd = arg; 935 936 if(vfd->index>=USBVISION_SUPPORTED_PALETTES-1) { 937 return -EINVAL; 938 } 939 vfd->flags = 0; 940 vfd->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; 941 strcpy(vfd->description,usbvision_v4l2_format[vfd->index].desc); 942 vfd->pixelformat = usbvision_v4l2_format[vfd->index].format; 943 memset(vfd->reserved, 0, sizeof(vfd->reserved)); 944 return 0; 945 } 946 case VIDIOC_G_FMT: 947 { 948 struct v4l2_format *vf = arg; 949 950 switch (vf->type) { 951 case V4L2_BUF_TYPE_VIDEO_CAPTURE: 952 { 953 vf->fmt.pix.width = usbvision->curwidth; 954 vf->fmt.pix.height = usbvision->curheight; 955 vf->fmt.pix.pixelformat = usbvision->palette.format; 956 vf->fmt.pix.bytesperline = usbvision->curwidth*usbvision->palette.bytes_per_pixel; 957 vf->fmt.pix.sizeimage = vf->fmt.pix.bytesperline*usbvision->curheight; 958 vf->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; 959 vf->fmt.pix.field = V4L2_FIELD_NONE; /* Always progressive image */ 960 PDEBUG(DBG_IOCTL, "VIDIOC_G_FMT w=%d, h=%d, format=%s", 961 vf->fmt.pix.width, vf->fmt.pix.height,usbvision->palette.desc); 962 return 0; 963 } 964 default: 965 PDEBUG(DBG_IOCTL, "VIDIOC_G_FMT invalid type %d",vf->type); 966 return -EINVAL; 967 } 968 return 0; 969 } 970 case VIDIOC_TRY_FMT: 971 case VIDIOC_S_FMT: 972 { 973 struct v4l2_format *vf = arg; 974 int formatIdx,ret; 975 976 switch(vf->type) { 977 case V4L2_BUF_TYPE_VIDEO_CAPTURE: 978 { 979 /* Find requested format in available ones */ 980 for(formatIdx=0;formatIdx<USBVISION_SUPPORTED_PALETTES;formatIdx++) { 981 if(vf->fmt.pix.pixelformat == usbvision_v4l2_format[formatIdx].format) { 982 usbvision->palette = usbvision_v4l2_format[formatIdx]; 983 break; 984 } 985 } 986 /* robustness */ 987 if(formatIdx == USBVISION_SUPPORTED_PALETTES) { 988 return -EINVAL; 989 } 990 RESTRICT_TO_RANGE(vf->fmt.pix.width, MIN_FRAME_WIDTH, MAX_FRAME_WIDTH); 991 RESTRICT_TO_RANGE(vf->fmt.pix.height, MIN_FRAME_HEIGHT, MAX_FRAME_HEIGHT); 992 993 vf->fmt.pix.bytesperline = vf->fmt.pix.width*usbvision->palette.bytes_per_pixel; 994 vf->fmt.pix.sizeimage = vf->fmt.pix.bytesperline*vf->fmt.pix.height; 995 996 if(cmd == VIDIOC_TRY_FMT) { 997 PDEBUG(DBG_IOCTL, "VIDIOC_TRY_FMT grabdisplay w=%d, h=%d, format=%s", 998 vf->fmt.pix.width, vf->fmt.pix.height,usbvision->palette.desc); 999 return 0; 1000 } 1001 1002 /* stop io in case it is already in progress */ 1003 if(usbvision->streaming == Stream_On) { 1004 if ((ret = usbvision_stream_interrupt(usbvision))) 1005 return ret; 1006 } 1007 usbvision_empty_framequeues(usbvision); 1008 1009 usbvision->curFrame = NULL; 1010 1011 // by now we are committed to the new data... 1012 down(&usbvision->lock); 1013 usbvision_set_output(usbvision, vf->fmt.pix.width, vf->fmt.pix.height); 1014 up(&usbvision->lock); 1015 1016 PDEBUG(DBG_IOCTL, "VIDIOC_S_FMT grabdisplay w=%d, h=%d, format=%s", 1017 vf->fmt.pix.width, vf->fmt.pix.height,usbvision->palette.desc); 1018 return 0; 1019 } 1020 default: 1021 return -EINVAL; 1022 } 1023 } 1024 default: 1025 return -ENOIOCTLCMD; 1026 } 1027 return 0; 1028} 1029 1030static int usbvision_v4l2_ioctl(struct inode *inode, struct file *file, 1031 unsigned int cmd, unsigned long arg) 1032{ 1033 return video_usercopy(inode, file, cmd, arg, usbvision_v4l2_do_ioctl); 1034} 1035 1036 1037static ssize_t usbvision_v4l2_read(struct file *file, char *buf, 1038 size_t count, loff_t *ppos) 1039{ 1040 struct video_device *dev = video_devdata(file); 1041 struct usb_usbvision *usbvision = (struct usb_usbvision *) video_get_drvdata(dev); 1042 int noblock = file->f_flags & O_NONBLOCK; 1043 unsigned long lock_flags; 1044 1045 int frmx = -1; 1046 int ret,i; 1047 struct usbvision_frame *frame; 1048 1049 PDEBUG(DBG_IO, "%s: %ld bytes, noblock=%d", __FUNCTION__, (unsigned long)count, noblock); 1050 1051 if (!USBVISION_IS_OPERATIONAL(usbvision) || (buf == NULL)) 1052 return -EFAULT; 1053 1054 /* no stream is running, make it running ! */ 1055 usbvision->streaming = Stream_On; 1056 call_i2c_clients(usbvision,VIDIOC_STREAMON , NULL); 1057 1058 /* First, enqueue as many frames as possible (like a user of VIDIOC_QBUF would do) */ 1059 for(i=0;i<USBVISION_NUMFRAMES;i++) { 1060 frame = &usbvision->frame[i]; 1061 if(frame->grabstate == FrameState_Unused) { 1062 /* Mark it as ready and enqueue frame */ 1063 frame->grabstate = FrameState_Ready; 1064 frame->scanstate = ScanState_Scanning; 1065 frame->scanlength = 0; /* Accumulated in usbvision_parse_data() */ 1066 1067 /* set v4l2_format index */ 1068 frame->v4l2_format = usbvision->palette; 1069 1070 spin_lock_irqsave(&usbvision->queue_lock, lock_flags); 1071 list_add_tail(&frame->frame, &usbvision->inqueue); 1072 spin_unlock_irqrestore(&usbvision->queue_lock, lock_flags); 1073 } 1074 } 1075 1076 /* Then try to steal a frame (like a VIDIOC_DQBUF would do) */ 1077 if (list_empty(&(usbvision->outqueue))) { 1078 if(noblock) 1079 return -EAGAIN; 1080 1081 ret = wait_event_interruptible 1082 (usbvision->wait_frame, 1083 !list_empty(&(usbvision->outqueue))); 1084 if (ret) 1085 return ret; 1086 } 1087 1088 spin_lock_irqsave(&usbvision->queue_lock, lock_flags); 1089 frame = list_entry(usbvision->outqueue.next, 1090 struct usbvision_frame, frame); 1091 list_del(usbvision->outqueue.next); 1092 spin_unlock_irqrestore(&usbvision->queue_lock, lock_flags); 1093 1094 /* An error returns an empty frame */ 1095 if (frame->grabstate == FrameState_Error) { 1096 frame->bytes_read = 0; 1097 return 0; 1098 } 1099 1100 PDEBUG(DBG_IO, "%s: frmx=%d, bytes_read=%ld, scanlength=%ld", __FUNCTION__, 1101 frame->index, frame->bytes_read, frame->scanlength); 1102 1103 /* copy bytes to user space; we allow for partials reads */ 1104 if ((count + frame->bytes_read) > (unsigned long)frame->scanlength) 1105 count = frame->scanlength - frame->bytes_read; 1106 1107 if (copy_to_user(buf, frame->data + frame->bytes_read, count)) { 1108 return -EFAULT; 1109 } 1110 1111 frame->bytes_read += count; 1112 PDEBUG(DBG_IO, "%s: {copy} count used=%ld, new bytes_read=%ld", __FUNCTION__, 1113 (unsigned long)count, frame->bytes_read); 1114 1115 // For now, forget the frame if it has not been read in one shot. 1116/* if (frame->bytes_read >= frame->scanlength) {// All data has been read */ 1117 frame->bytes_read = 0; 1118 1119 /* Mark it as available to be used again. */ 1120 usbvision->frame[frmx].grabstate = FrameState_Unused; 1121/* } */ 1122 1123 return count; 1124} 1125 1126static int usbvision_v4l2_mmap(struct file *file, struct vm_area_struct *vma) 1127{ 1128 unsigned long size = vma->vm_end - vma->vm_start, 1129 start = vma->vm_start; 1130 void *pos; 1131 u32 i; 1132 1133 struct video_device *dev = video_devdata(file); 1134 struct usb_usbvision *usbvision = (struct usb_usbvision *) video_get_drvdata(dev); 1135 1136 down(&usbvision->lock); 1137 1138 if (!USBVISION_IS_OPERATIONAL(usbvision)) { 1139 up(&usbvision->lock); 1140 return -EFAULT; 1141 } 1142 1143 if (!(vma->vm_flags & VM_WRITE) || 1144 size != PAGE_ALIGN(usbvision->curwidth*usbvision->curheight*usbvision->palette.bytes_per_pixel)) { 1145 up(&usbvision->lock); 1146 return -EINVAL; 1147 } 1148 1149 for (i = 0; i < USBVISION_NUMFRAMES; i++) { 1150 if (((usbvision->max_frame_size*i) >> PAGE_SHIFT) == vma->vm_pgoff) 1151 break; 1152 } 1153 if (i == USBVISION_NUMFRAMES) { 1154 PDEBUG(DBG_MMAP, "mmap: user supplied mapping address is out of range"); 1155 up(&usbvision->lock); 1156 return -EINVAL; 1157 } 1158 1159 /* VM_IO is eventually going to replace PageReserved altogether */ 1160 vma->vm_flags |= VM_IO; 1161 vma->vm_flags |= VM_RESERVED; /* avoid to swap out this VMA */ 1162 1163 pos = usbvision->frame[i].data; 1164 while (size > 0) { 1165 1166 if (vm_insert_page(vma, start, vmalloc_to_page(pos))) { 1167 PDEBUG(DBG_MMAP, "mmap: vm_insert_page failed"); 1168 up(&usbvision->lock); 1169 return -EAGAIN; 1170 } 1171 start += PAGE_SIZE; 1172 pos += PAGE_SIZE; 1173 size -= PAGE_SIZE; 1174 } 1175 1176 up(&usbvision->lock); 1177 return 0; 1178} 1179 1180 1181/* 1182 * Here comes the stuff for radio on usbvision based devices 1183 * 1184 */ 1185static int usbvision_radio_open(struct inode *inode, struct file *file) 1186{ 1187 struct video_device *dev = video_devdata(file); 1188 struct usb_usbvision *usbvision = (struct usb_usbvision *) video_get_drvdata(dev); 1189 struct v4l2_frequency freq; 1190 int errCode = 0; 1191 1192 PDEBUG(DBG_IO, "%s:", __FUNCTION__); 1193 1194 down(&usbvision->lock); 1195 1196 if (usbvision->user) { 1197 err("%s: Someone tried to open an already opened USBVision Radio!", __FUNCTION__); 1198 errCode = -EBUSY; 1199 } 1200 else { 1201 if(PowerOnAtOpen) { 1202 usbvision_reset_powerOffTimer(usbvision); 1203 if (usbvision->power == 0) { 1204 usbvision_power_on(usbvision); 1205 usbvision_init_i2c(usbvision); 1206 } 1207 } 1208 1209 // If so far no errors then we shall start the radio 1210 usbvision->radio = 1; 1211 call_i2c_clients(usbvision,AUDC_SET_RADIO,&usbvision->tuner_type); 1212 freq.frequency = 1517; //SWR3 @ 94.8MHz 1213 call_i2c_clients(usbvision, VIDIOC_S_FREQUENCY, &freq); 1214 usbvision_set_audio(usbvision, USBVISION_AUDIO_RADIO); 1215 usbvision->user++; 1216 } 1217 1218 if (errCode) { 1219 if (PowerOnAtOpen) { 1220 usbvision_i2c_usb_del_bus(&usbvision->i2c_adap); 1221 usbvision_power_off(usbvision); 1222 usbvision->initialized = 0; 1223 } 1224 } 1225 up(&usbvision->lock); 1226 return errCode; 1227} 1228 1229 1230static int usbvision_radio_close(struct inode *inode, struct file *file) 1231{ 1232 struct video_device *dev = video_devdata(file); 1233 struct usb_usbvision *usbvision = (struct usb_usbvision *) video_get_drvdata(dev); 1234 int errCode = 0; 1235 1236 PDEBUG(DBG_IO, ""); 1237 1238 down(&usbvision->lock); 1239 1240 usbvision_audio_off(usbvision); 1241 usbvision->radio=0; 1242 usbvision->user--; 1243 1244 if (PowerOnAtOpen) { 1245 usbvision_set_powerOffTimer(usbvision); 1246 usbvision->initialized = 0; 1247 } 1248 1249 up(&usbvision->lock); 1250 1251 if (usbvision->remove_pending) { 1252 info("%s: Final disconnect", __FUNCTION__); 1253 usbvision_release(usbvision); 1254 } 1255 1256 1257 PDEBUG(DBG_IO, "success"); 1258 1259 return errCode; 1260} 1261 1262static int usbvision_do_radio_ioctl(struct inode *inode, struct file *file, 1263 unsigned int cmd, void *arg) 1264{ 1265 struct video_device *dev = video_devdata(file); 1266 struct usb_usbvision *usbvision = (struct usb_usbvision *) video_get_drvdata(dev); 1267 1268 if (!USBVISION_IS_OPERATIONAL(usbvision)) 1269 return -EIO; 1270 1271 switch (cmd) { 1272 case VIDIOC_QUERYCAP: 1273 { 1274 struct v4l2_capability *vc=arg; 1275 1276 memset(vc, 0, sizeof(*vc)); 1277 strlcpy(vc->driver, "USBVision", sizeof(vc->driver)); 1278 strlcpy(vc->card, usbvision_device_data[usbvision->DevModel].ModelString, 1279 sizeof(vc->card)); 1280 strlcpy(vc->bus_info, usbvision->dev->dev.bus_id, 1281 sizeof(vc->bus_info)); 1282 vc->version = USBVISION_DRIVER_VERSION; 1283 vc->capabilities = (usbvision->have_tuner ? V4L2_CAP_TUNER : 0); 1284 PDEBUG(DBG_IO, "VIDIOC_QUERYCAP"); 1285 return 0; 1286 } 1287 case VIDIOC_QUERYCTRL: 1288 { 1289 struct v4l2_queryctrl *ctrl = arg; 1290 int id=ctrl->id; 1291 1292 memset(ctrl,0,sizeof(*ctrl)); 1293 ctrl->id=id; 1294 1295 call_i2c_clients(usbvision, cmd, arg); 1296 PDEBUG(DBG_IO,"VIDIOC_QUERYCTRL id=%x value=%x",ctrl->id,ctrl->type); 1297 1298 if (ctrl->type) 1299 return 0; 1300 else 1301 return -EINVAL; 1302 1303 } 1304 case VIDIOC_G_CTRL: 1305 { 1306 struct v4l2_control *ctrl = arg; 1307 1308 call_i2c_clients(usbvision, VIDIOC_G_CTRL, ctrl); 1309 PDEBUG(DBG_IO,"VIDIOC_G_CTRL id=%x value=%x",ctrl->id,ctrl->value); 1310 return 0; 1311 } 1312 case VIDIOC_S_CTRL: 1313 { 1314 struct v4l2_control *ctrl = arg; 1315 1316 call_i2c_clients(usbvision, VIDIOC_S_CTRL, ctrl); 1317 PDEBUG(DBG_IO, "VIDIOC_S_CTRL id=%x value=%x",ctrl->id,ctrl->value); 1318 return 0; 1319 } 1320 case VIDIOC_G_TUNER: 1321 { 1322 struct v4l2_tuner *t = arg; 1323 1324 if (t->index > 0) 1325 return -EINVAL; 1326 1327 memset(t,0,sizeof(*t)); 1328 strcpy(t->name, "Radio"); 1329 t->type = V4L2_TUNER_RADIO; 1330 1331 /* Let clients fill in the remainder of this struct */ 1332 call_i2c_clients(usbvision,VIDIOC_G_TUNER,t); 1333 PDEBUG(DBG_IO, "VIDIOC_G_TUNER signal=%x, afc=%x",t->signal,t->afc); 1334 return 0; 1335 } 1336 case VIDIOC_S_TUNER: 1337 { 1338 struct v4l2_tuner *vt = arg; 1339 1340 // Only no or one tuner for now 1341 if (!usbvision->have_tuner || vt->index) 1342 return -EINVAL; 1343 /* let clients handle this */ 1344 call_i2c_clients(usbvision,VIDIOC_S_TUNER,vt); 1345 1346 PDEBUG(DBG_IO, "VIDIOC_S_TUNER"); 1347 return 0; 1348 } 1349 case VIDIOC_G_AUDIO: 1350 { 1351 struct v4l2_audio *a = arg; 1352 1353 memset(a,0,sizeof(*a)); 1354 strcpy(a->name,"Radio"); 1355 PDEBUG(DBG_IO, "VIDIOC_G_AUDIO"); 1356 return 0; 1357 } 1358 case VIDIOC_S_AUDIO: 1359 case VIDIOC_S_INPUT: 1360 case VIDIOC_S_STD: 1361 return 0; 1362 1363 case VIDIOC_G_FREQUENCY: 1364 { 1365 struct v4l2_frequency *f = arg; 1366 1367 memset(f,0,sizeof(*f)); 1368 1369 f->type = V4L2_TUNER_RADIO; 1370 f->frequency = usbvision->freq; 1371 call_i2c_clients(usbvision, cmd, f); 1372 PDEBUG(DBG_IO, "VIDIOC_G_FREQUENCY freq=0x%X", (unsigned)f->frequency); 1373 1374 return 0; 1375 } 1376 case VIDIOC_S_FREQUENCY: 1377 { 1378 struct v4l2_frequency *f = arg; 1379 1380 if (f->tuner != 0) 1381 return -EINVAL; 1382 usbvision->freq = f->frequency; 1383 call_i2c_clients(usbvision, cmd, f); 1384 PDEBUG(DBG_IO, "VIDIOC_S_FREQUENCY freq=0x%X", (unsigned)f->frequency); 1385 1386 return 0; 1387 } 1388 default: 1389 { 1390 PDEBUG(DBG_IO, "%s: Unknown command %x", __FUNCTION__, cmd); 1391 return -ENOIOCTLCMD; 1392 } 1393 } 1394 return 0; 1395} 1396 1397 1398static int usbvision_radio_ioctl(struct inode *inode, struct file *file, 1399 unsigned int cmd, unsigned long arg) 1400{ 1401 return video_usercopy(inode, file, cmd, arg, usbvision_do_radio_ioctl); 1402} 1403 1404 1405/* 1406 * Here comes the stuff for vbi on usbvision based devices 1407 * 1408 */ 1409static int usbvision_vbi_open(struct inode *inode, struct file *file) 1410{ 1411 /* TODO */ 1412 return -EINVAL; 1413 1414} 1415 1416static int usbvision_vbi_close(struct inode *inode, struct file *file) 1417{ 1418 /* TODO */ 1419 return -EINVAL; 1420} 1421 1422static int usbvision_do_vbi_ioctl(struct inode *inode, struct file *file, 1423 unsigned int cmd, void *arg) 1424{ 1425 /* TODO */ 1426 return -EINVAL; 1427} 1428 1429static int usbvision_vbi_ioctl(struct inode *inode, struct file *file, 1430 unsigned int cmd, unsigned long arg) 1431{ 1432 return video_usercopy(inode, file, cmd, arg, usbvision_do_vbi_ioctl); 1433} 1434 1435 1436// 1437// Video registration stuff 1438// 1439 1440// Video template 1441static struct file_operations usbvision_fops = { 1442 .owner = THIS_MODULE, 1443 .open = usbvision_v4l2_open, 1444 .release = usbvision_v4l2_close, 1445 .read = usbvision_v4l2_read, 1446 .mmap = usbvision_v4l2_mmap, 1447 .ioctl = usbvision_v4l2_ioctl, 1448 .llseek = no_llseek, 1449}; 1450static struct video_device usbvision_video_template = { 1451 .owner = THIS_MODULE, 1452 .type = VID_TYPE_TUNER | VID_TYPE_CAPTURE, 1453 .hardware = VID_HARDWARE_USBVISION, 1454 .fops = &usbvision_fops, 1455 .name = "usbvision-video", 1456 .release = video_device_release, 1457 .minor = -1, 1458}; 1459 1460 1461// Radio template 1462static struct file_operations usbvision_radio_fops = { 1463 .owner = THIS_MODULE, 1464 .open = usbvision_radio_open, 1465 .release = usbvision_radio_close, 1466 .ioctl = usbvision_radio_ioctl, 1467 .llseek = no_llseek, 1468}; 1469 1470static struct video_device usbvision_radio_template= 1471{ 1472 .owner = THIS_MODULE, 1473 .type = VID_TYPE_TUNER, 1474 .hardware = VID_HARDWARE_USBVISION, 1475 .fops = &usbvision_radio_fops, 1476 .release = video_device_release, 1477 .name = "usbvision-radio", 1478 .minor = -1, 1479}; 1480 1481 1482// vbi template 1483static struct file_operations usbvision_vbi_fops = { 1484 .owner = THIS_MODULE, 1485 .open = usbvision_vbi_open, 1486 .release = usbvision_vbi_close, 1487 .ioctl = usbvision_vbi_ioctl, 1488 .llseek = no_llseek, 1489}; 1490 1491static struct video_device usbvision_vbi_template= 1492{ 1493 .owner = THIS_MODULE, 1494 .type = VID_TYPE_TUNER, 1495 .hardware = VID_HARDWARE_USBVISION, 1496 .fops = &usbvision_vbi_fops, 1497 .release = video_device_release, 1498 .name = "usbvision-vbi", 1499 .minor = -1, 1500}; 1501 1502 1503static struct video_device *usbvision_vdev_init(struct usb_usbvision *usbvision, 1504 struct video_device *vdev_template, 1505 char *name) 1506{ 1507 struct usb_device *usb_dev = usbvision->dev; 1508 struct video_device *vdev; 1509 1510 if (usb_dev == NULL) { 1511 err("%s: usbvision->dev is not set", __FUNCTION__); 1512 return NULL; 1513 } 1514 1515 vdev = video_device_alloc(); 1516 if (NULL == vdev) { 1517 return NULL; 1518 } 1519 *vdev = *vdev_template; 1520// vdev->minor = -1; 1521 vdev->dev = &usb_dev->dev; 1522 snprintf(vdev->name, sizeof(vdev->name), "%s", name); 1523 video_set_drvdata(vdev, usbvision); 1524 return vdev; 1525} 1526 1527// unregister video4linux devices 1528static void usbvision_unregister_video(struct usb_usbvision *usbvision) 1529{ 1530 // vbi Device: 1531 if (usbvision->vbi) { 1532 PDEBUG(DBG_PROBE, "unregister /dev/vbi%d [v4l2]", usbvision->vbi->minor & 0x1f); 1533 if (usbvision->vbi->minor != -1) { 1534 video_unregister_device(usbvision->vbi); 1535 } 1536 else { 1537 video_device_release(usbvision->vbi); 1538 } 1539 usbvision->vbi = NULL; 1540 } 1541 1542 // Radio Device: 1543 if (usbvision->rdev) { 1544 PDEBUG(DBG_PROBE, "unregister /dev/radio%d [v4l2]", usbvision->rdev->minor & 0x1f); 1545 if (usbvision->rdev->minor != -1) { 1546 video_unregister_device(usbvision->rdev); 1547 } 1548 else { 1549 video_device_release(usbvision->rdev); 1550 } 1551 usbvision->rdev = NULL; 1552 } 1553 1554 // Video Device: 1555 if (usbvision->vdev) { 1556 PDEBUG(DBG_PROBE, "unregister /dev/video%d [v4l2]", usbvision->vdev->minor & 0x1f); 1557 if (usbvision->vdev->minor != -1) { 1558 video_unregister_device(usbvision->vdev); 1559 } 1560 else { 1561 video_device_release(usbvision->vdev); 1562 } 1563 usbvision->vdev = NULL; 1564 } 1565} 1566 1567// register video4linux devices 1568static int __devinit usbvision_register_video(struct usb_usbvision *usbvision) 1569{ 1570 // Video Device: 1571 usbvision->vdev = usbvision_vdev_init(usbvision, &usbvision_video_template, "USBVision Video"); 1572 if (usbvision->vdev == NULL) { 1573 goto err_exit; 1574 } 1575 if (video_register_device(usbvision->vdev, VFL_TYPE_GRABBER, video_nr)<0) { 1576 goto err_exit; 1577 } 1578 info("USBVision[%d]: registered USBVision Video device /dev/video%d [v4l2]", usbvision->nr,usbvision->vdev->minor & 0x1f); 1579 1580 // Radio Device: 1581 if (usbvision_device_data[usbvision->DevModel].Radio) { 1582 // usbvision has radio 1583 usbvision->rdev = usbvision_vdev_init(usbvision, &usbvision_radio_template, "USBVision Radio"); 1584 if (usbvision->rdev == NULL) { 1585 goto err_exit; 1586 } 1587 if (video_register_device(usbvision->rdev, VFL_TYPE_RADIO, radio_nr)<0) { 1588 goto err_exit; 1589 } 1590 info("USBVision[%d]: registered USBVision Radio device /dev/radio%d [v4l2]", usbvision->nr, usbvision->rdev->minor & 0x1f); 1591 } 1592 // vbi Device: 1593 if (usbvision_device_data[usbvision->DevModel].vbi) { 1594 usbvision->vbi = usbvision_vdev_init(usbvision, &usbvision_vbi_template, "USBVision VBI"); 1595 if (usbvision->vdev == NULL) { 1596 goto err_exit; 1597 } 1598 if (video_register_device(usbvision->vbi, VFL_TYPE_VBI, vbi_nr)<0) { 1599 goto err_exit; 1600 } 1601 info("USBVision[%d]: registered USBVision VBI device /dev/vbi%d [v4l2] (Not Working Yet!)", usbvision->nr,usbvision->vbi->minor & 0x1f); 1602 } 1603 // all done 1604 return 0; 1605 1606 err_exit: 1607 err("USBVision[%d]: video_register_device() failed", usbvision->nr); 1608 usbvision_unregister_video(usbvision); 1609 return -1; 1610} 1611 1612/* 1613 * usbvision_alloc() 1614 * 1615 * This code allocates the struct usb_usbvision. It is filled with default values. 1616 * 1617 * Returns NULL on error, a pointer to usb_usbvision else. 1618 * 1619 */ 1620static struct usb_usbvision *usbvision_alloc(struct usb_device *dev) 1621{ 1622 struct usb_usbvision *usbvision; 1623 1624 if ((usbvision = kzalloc(sizeof(struct usb_usbvision), GFP_KERNEL)) == NULL) { 1625 goto err_exit; 1626 } 1627 1628 usbvision->dev = dev; 1629 1630 init_MUTEX(&usbvision->lock); /* to 1 == available */ 1631 1632 // prepare control urb for control messages during interrupts 1633 usbvision->ctrlUrb = usb_alloc_urb(USBVISION_URB_FRAMES, GFP_KERNEL); 1634 if (usbvision->ctrlUrb == NULL) { 1635 goto err_exit; 1636 } 1637 init_waitqueue_head(&usbvision->ctrlUrb_wq); 1638 init_MUTEX(&usbvision->ctrlUrbLock); /* to 1 == available */ 1639 1640 usbvision_init_powerOffTimer(usbvision); 1641 1642 return usbvision; 1643 1644err_exit: 1645 if (usbvision && usbvision->ctrlUrb) { 1646 usb_free_urb(usbvision->ctrlUrb); 1647 } 1648 if (usbvision) { 1649 kfree(usbvision); 1650 } 1651 return NULL; 1652} 1653 1654/* 1655 * usbvision_release() 1656 * 1657 * This code does final release of struct usb_usbvision. This happens 1658 * after the device is disconnected -and- all clients closed their files. 1659 * 1660 */ 1661static void usbvision_release(struct usb_usbvision *usbvision) 1662{ 1663 PDEBUG(DBG_PROBE, ""); 1664 1665 down(&usbvision->lock); 1666 1667 usbvision_reset_powerOffTimer(usbvision); 1668 1669 usbvision->initialized = 0; 1670 1671 up(&usbvision->lock); 1672 1673 usbvision_remove_sysfs(usbvision->vdev); 1674 usbvision_unregister_video(usbvision); 1675 1676 if (usbvision->ctrlUrb) { 1677 usb_free_urb(usbvision->ctrlUrb); 1678 } 1679 1680 kfree(usbvision); 1681 1682 PDEBUG(DBG_PROBE, "success"); 1683} 1684 1685 1686/******************************** usb interface *****************************************/ 1687 1688static void usbvision_configure_video(struct usb_usbvision *usbvision) 1689{ 1690 int model,i; 1691 1692 if (usbvision == NULL) 1693 return; 1694 1695 model = usbvision->DevModel; 1696 usbvision->palette = usbvision_v4l2_format[2]; // V4L2_PIX_FMT_RGB24; 1697 1698 if (usbvision_device_data[usbvision->DevModel].Vin_Reg2 >= 0) { 1699 usbvision->Vin_Reg2_Preset = usbvision_device_data[usbvision->DevModel].Vin_Reg2 & 0xff; 1700 } else { 1701 usbvision->Vin_Reg2_Preset = 0; 1702 } 1703 1704 for (i = 0; i < TVNORMS; i++) 1705 if (usbvision_device_data[model].VideoNorm == tvnorms[i].mode) 1706 break; 1707 if (i == TVNORMS) 1708 i = 0; 1709 usbvision->tvnorm = &tvnorms[i]; /* set default norm */ 1710 1711 usbvision->video_inputs = usbvision_device_data[model].VideoChannels; 1712 usbvision->ctl_input = 0; 1713 1714 /* This should be here to make i2c clients to be able to register */ 1715 usbvision_audio_off(usbvision); //first switch off audio 1716 if (!PowerOnAtOpen) { 1717 usbvision_power_on(usbvision); //and then power up the noisy tuner 1718 usbvision_init_i2c(usbvision); 1719 } 1720} 1721 1722/* 1723 * usbvision_probe() 1724 * 1725 * This procedure queries device descriptor and accepts the interface 1726 * if it looks like USBVISION video device 1727 * 1728 */ 1729static int __devinit usbvision_probe(struct usb_interface *intf, const struct usb_device_id *devid) 1730{ 1731 struct usb_device *dev = interface_to_usbdev(intf); 1732 __u8 ifnum = intf->altsetting->desc.bInterfaceNumber; 1733 const struct usb_host_interface *interface; 1734 struct usb_usbvision *usbvision = NULL; 1735 const struct usb_endpoint_descriptor *endpoint; 1736 int model; 1737 1738 PDEBUG(DBG_PROBE, "VID=%#04x, PID=%#04x, ifnum=%u", 1739 dev->descriptor.idVendor, dev->descriptor.idProduct, ifnum); 1740 /* Is it an USBVISION video dev? */ 1741 model = 0; 1742 for(model = 0; usbvision_device_data[model].idVendor; model++) { 1743 if (le16_to_cpu(dev->descriptor.idVendor) != usbvision_device_data[model].idVendor) { 1744 continue; 1745 } 1746 if (le16_to_cpu(dev->descriptor.idProduct) != usbvision_device_data[model].idProduct) { 1747 continue; 1748 } 1749 1750 info("%s: %s found", __FUNCTION__, usbvision_device_data[model].ModelString); 1751 break; 1752 } 1753 1754 if (usbvision_device_data[model].idVendor == 0) { 1755 return -ENODEV; //no matching device 1756 } 1757 if (usbvision_device_data[model].Interface >= 0) { 1758 interface = &dev->actconfig->interface[usbvision_device_data[model].Interface]->altsetting[0]; 1759 } 1760 else { 1761 interface = &dev->actconfig->interface[ifnum]->altsetting[0]; 1762 } 1763 endpoint = &interface->endpoint[1].desc; 1764 if ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_ISOC) { 1765 err("%s: interface %d. has non-ISO endpoint!", __FUNCTION__, ifnum); 1766 err("%s: Endpoint attribures %d", __FUNCTION__, endpoint->bmAttributes); 1767 return -ENODEV; 1768 } 1769 if ((endpoint->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT) { 1770 err("%s: interface %d. has ISO OUT endpoint!", __FUNCTION__, ifnum); 1771 return -ENODEV; 1772 } 1773 1774 usb_get_dev(dev); 1775 1776 if ((usbvision = usbvision_alloc(dev)) == NULL) { 1777 err("%s: couldn't allocate USBVision struct", __FUNCTION__); 1778 return -ENOMEM; 1779 } 1780 if (dev->descriptor.bNumConfigurations > 1) { 1781 usbvision->bridgeType = BRIDGE_NT1004; 1782 } 1783 else if (usbvision_device_data[model].ModelString == "Dazzle Fusion Model DVC-90 Rev 1 (SECAM)") { 1784 usbvision->bridgeType = BRIDGE_NT1005; 1785 } 1786 else { 1787 usbvision->bridgeType = BRIDGE_NT1003; 1788 } 1789 PDEBUG(DBG_PROBE, "bridgeType %d", usbvision->bridgeType); 1790 1791 down(&usbvision->lock); 1792 1793 usbvision->nr = usbvision_nr++; 1794 1795 usbvision->have_tuner = usbvision_device_data[model].Tuner; 1796 if (usbvision->have_tuner) { 1797 usbvision->tuner_type = usbvision_device_data[model].TunerType; 1798 } 1799 1800 usbvision->tuner_addr = ADDR_UNSET; 1801 1802 usbvision->DevModel = model; 1803 usbvision->remove_pending = 0; 1804 usbvision->iface = ifnum; 1805 usbvision->ifaceAltInactive = 0; 1806 usbvision->ifaceAltActive = 1; 1807 usbvision->video_endp = endpoint->bEndpointAddress; 1808 usbvision->isocPacketSize = 0; 1809 usbvision->usb_bandwidth = 0; 1810 usbvision->user = 0; 1811 usbvision->streaming = Stream_Off; 1812 usbvision_register_video(usbvision); 1813 usbvision_configure_video(usbvision); 1814 up(&usbvision->lock); 1815 1816 1817 usb_set_intfdata (intf, usbvision); 1818 usbvision_create_sysfs(usbvision->vdev); 1819 1820 PDEBUG(DBG_PROBE, "success"); 1821 return 0; 1822} 1823 1824 1825/* 1826 * usbvision_disconnect() 1827 * 1828 * This procedure stops all driver activity, deallocates interface-private 1829 * structure (pointed by 'ptr') and after that driver should be removable 1830 * with no ill consequences. 1831 * 1832 */ 1833static void __devexit usbvision_disconnect(struct usb_interface *intf) 1834{ 1835 struct usb_usbvision *usbvision = usb_get_intfdata(intf); 1836 1837 PDEBUG(DBG_PROBE, ""); 1838 1839 if (usbvision == NULL) { 1840 err("%s: usb_get_intfdata() failed", __FUNCTION__); 1841 return; 1842 } 1843 usb_set_intfdata (intf, NULL); 1844 1845 down(&usbvision->lock); 1846 1847 // At this time we ask to cancel outstanding URBs 1848 usbvision_stop_isoc(usbvision); 1849 1850 if (usbvision->power) { 1851 usbvision_i2c_usb_del_bus(&usbvision->i2c_adap); 1852 usbvision_power_off(usbvision); 1853 } 1854 usbvision->remove_pending = 1; // Now all ISO data will be ignored 1855 1856 usb_put_dev(usbvision->dev); 1857 usbvision->dev = NULL; // USB device is no more 1858 1859 up(&usbvision->lock); 1860 1861 if (usbvision->user) { 1862 info("%s: In use, disconnect pending", __FUNCTION__); 1863 wake_up_interruptible(&usbvision->wait_frame); 1864 wake_up_interruptible(&usbvision->wait_stream); 1865 } 1866 else { 1867 usbvision_release(usbvision); 1868 } 1869 1870 PDEBUG(DBG_PROBE, "success"); 1871 1872} 1873 1874static struct usb_driver usbvision_driver = { 1875 .name = "usbvision", 1876 .id_table = usbvision_table, 1877 .probe = usbvision_probe, 1878 .disconnect = usbvision_disconnect 1879}; 1880 1881/* 1882 * customdevice_process() 1883 * 1884 * This procedure preprocesses CustomDevice parameter if any 1885 * 1886 */ 1887void customdevice_process(void) 1888{ 1889 usbvision_device_data[0]=usbvision_device_data[1]; 1890 usbvision_table[0]=usbvision_table[1]; 1891 1892 if(CustomDevice) 1893 { 1894 char *parse=CustomDevice; 1895 1896 PDEBUG(DBG_PROBE, "CustomDevide=%s", CustomDevice); 1897 1898 /*format is CustomDevice="0x0573 0x4D31 0 7113 3 PAL 1 1 1 5 -1 -1 -1 -1 -1" 1899 usbvision_device_data[0].idVendor; 1900 usbvision_device_data[0].idProduct; 1901 usbvision_device_data[0].Interface; 1902 usbvision_device_data[0].Codec; 1903 usbvision_device_data[0].VideoChannels; 1904 usbvision_device_data[0].VideoNorm; 1905 usbvision_device_data[0].AudioChannels; 1906 usbvision_device_data[0].Radio; 1907 usbvision_device_data[0].Tuner; 1908 usbvision_device_data[0].TunerType; 1909 usbvision_device_data[0].Vin_Reg1; 1910 usbvision_device_data[0].Vin_Reg2; 1911 usbvision_device_data[0].X_Offset; 1912 usbvision_device_data[0].Y_Offset; 1913 usbvision_device_data[0].Dvi_yuv; 1914 usbvision_device_data[0].ModelString; 1915 */ 1916 1917 rmspace(parse); 1918 usbvision_device_data[0].ModelString="USBVISION Custom Device"; 1919 1920 parse+=2; 1921 sscanf(parse,"%x",&usbvision_device_data[0].idVendor); 1922 goto2next(parse); 1923 PDEBUG(DBG_PROBE, "idVendor=0x%.4X", usbvision_device_data[0].idVendor); 1924 parse+=2; 1925 sscanf(parse,"%x",&usbvision_device_data[0].idProduct); 1926 goto2next(parse); 1927 PDEBUG(DBG_PROBE, "idProduct=0x%.4X", usbvision_device_data[0].idProduct); 1928 sscanf(parse,"%d",&usbvision_device_data[0].Interface); 1929 goto2next(parse); 1930 PDEBUG(DBG_PROBE, "Interface=%d", usbvision_device_data[0].Interface); 1931 sscanf(parse,"%d",&usbvision_device_data[0].Codec); 1932 goto2next(parse); 1933 PDEBUG(DBG_PROBE, "Codec=%d", usbvision_device_data[0].Codec); 1934 sscanf(parse,"%d",&usbvision_device_data[0].VideoChannels); 1935 goto2next(parse); 1936 PDEBUG(DBG_PROBE, "VideoChannels=%d", usbvision_device_data[0].VideoChannels); 1937 1938 switch(*parse) 1939 { 1940 case 'P': 1941 PDEBUG(DBG_PROBE, "VideoNorm=PAL"); 1942 usbvision_device_data[0].VideoNorm=VIDEO_MODE_PAL; 1943 break; 1944 1945 case 'S': 1946 PDEBUG(DBG_PROBE, "VideoNorm=SECAM"); 1947 usbvision_device_data[0].VideoNorm=VIDEO_MODE_SECAM; 1948 break; 1949 1950 case 'N': 1951 PDEBUG(DBG_PROBE, "VideoNorm=NTSC"); 1952 usbvision_device_data[0].VideoNorm=VIDEO_MODE_NTSC; 1953 break; 1954 1955 default: 1956 PDEBUG(DBG_PROBE, "VideoNorm=PAL (by default)"); 1957 usbvision_device_data[0].VideoNorm=VIDEO_MODE_PAL; 1958 break; 1959 } 1960 goto2next(parse); 1961 1962 sscanf(parse,"%d",&usbvision_device_data[0].AudioChannels); 1963 goto2next(parse); 1964 PDEBUG(DBG_PROBE, "AudioChannels=%d", usbvision_device_data[0].AudioChannels); 1965 sscanf(parse,"%d",&usbvision_device_data[0].Radio); 1966 goto2next(parse); 1967 PDEBUG(DBG_PROBE, "Radio=%d", usbvision_device_data[0].Radio); 1968 sscanf(parse,"%d",&usbvision_device_data[0].Tuner); 1969 goto2next(parse); 1970 PDEBUG(DBG_PROBE, "Tuner=%d", usbvision_device_data[0].Tuner); 1971 sscanf(parse,"%d",&usbvision_device_data[0].TunerType); 1972 goto2next(parse); 1973 PDEBUG(DBG_PROBE, "TunerType=%d", usbvision_device_data[0].TunerType); 1974 sscanf(parse,"%d",&usbvision_device_data[0].Vin_Reg1); 1975 goto2next(parse); 1976 PDEBUG(DBG_PROBE, "Vin_Reg1=%d", usbvision_device_data[0].Vin_Reg1); 1977 sscanf(parse,"%d",&usbvision_device_data[0].Vin_Reg2); 1978 goto2next(parse); 1979 PDEBUG(DBG_PROBE, "Vin_Reg2=%d", usbvision_device_data[0].Vin_Reg2); 1980 sscanf(parse,"%d",&usbvision_device_data[0].X_Offset); 1981 goto2next(parse); 1982 PDEBUG(DBG_PROBE, "X_Offset=%d", usbvision_device_data[0].X_Offset); 1983 sscanf(parse,"%d",&usbvision_device_data[0].Y_Offset); 1984 goto2next(parse); 1985 PDEBUG(DBG_PROBE, "Y_Offset=%d", usbvision_device_data[0].Y_Offset); 1986 sscanf(parse,"%d",&usbvision_device_data[0].Dvi_yuv); 1987 PDEBUG(DBG_PROBE, "Dvi_yuv=%d", usbvision_device_data[0].Dvi_yuv); 1988 1989 //add to usbvision_table also 1990 usbvision_table[0].match_flags=USB_DEVICE_ID_MATCH_DEVICE; 1991 usbvision_table[0].idVendor=usbvision_device_data[0].idVendor; 1992 usbvision_table[0].idProduct=usbvision_device_data[0].idProduct; 1993 1994 } 1995} 1996 1997 1998 1999/* 2000 * usbvision_init() 2001 * 2002 * This code is run to initialize the driver. 2003 * 2004 */ 2005static int __init usbvision_init(void) 2006{ 2007 int errCode; 2008 2009 PDEBUG(DBG_PROBE, ""); 2010 2011 PDEBUG(DBG_IOCTL, "IOCTL debugging is enabled [video]"); 2012 PDEBUG(DBG_IO, "IO debugging is enabled [video]"); 2013 PDEBUG(DBG_PROBE, "PROBE debugging is enabled [video]"); 2014 PDEBUG(DBG_MMAP, "MMAP debugging is enabled [video]"); 2015 2016 /* disable planar mode support unless compression enabled */ 2017 if (isocMode != ISOC_MODE_COMPRESS ) { 2018 // FIXME : not the right way to set supported flag 2019 usbvision_v4l2_format[6].supported = 0; // V4L2_PIX_FMT_YVU420 2020 usbvision_v4l2_format[7].supported = 0; // V4L2_PIX_FMT_YUV422P 2021 } 2022 2023 customdevice_process(); 2024 2025 errCode = usb_register(&usbvision_driver); 2026 2027 if (errCode == 0) { 2028 info(DRIVER_DESC " : " USBVISION_VERSION_STRING); 2029 PDEBUG(DBG_PROBE, "success"); 2030 } 2031 return errCode; 2032} 2033 2034static void __exit usbvision_exit(void) 2035{ 2036 PDEBUG(DBG_PROBE, ""); 2037 2038 usb_deregister(&usbvision_driver); 2039 PDEBUG(DBG_PROBE, "success"); 2040} 2041 2042module_init(usbvision_init); 2043module_exit(usbvision_exit); 2044 2045/* 2046 * Overrides for Emacs so that we follow Linus's tabbing style. 2047 * --------------------------------------------------------------------------- 2048 * Local variables: 2049 * c-basic-offset: 8 2050 * End: 2051 */ 2052