projects / mirror_ubuntu-artful-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 | 1 | /* |
| ac19ecc6 | 2 | * |
| 1da177e4 LT |
3 | * Video for Linux Two |
| 4 | * Backward Compatibility Layer | |
| 5 | * | |
| 6 | * Support subroutines for providing V4L2 drivers with backward | |
| 7 | * compatibility with applications using the old API. | |
| 8 | * | |
| 9 | * This program is free software; you can redistribute it and/or | |
| 10 | * modify it under the terms of the GNU General Public License | |
| 11 | * as published by the Free Software Foundation; either version | |
| 12 | * 2 of the License, or (at your option) any later version. | |
| 13 | * | |
| 14 | * Author: Bill Dirks <bdirks@pacbell.net> | |
| 15 | * et al. | |
| 16 | * | |
| 17 | */ | |
| 18 | ||
| 1da177e4 LT |
19 | |
| 20 | #include <linux/init.h> | |
| 21 | #include <linux/module.h> | |
| ac19ecc6 | 22 | #include <linux/moduleparam.h> |
| 1da177e4 LT |
23 | #include <linux/types.h> |
| 24 | #include <linux/kernel.h> | |
| 25 | #include <linux/sched.h> | |
| 26 | #include <linux/smp_lock.h> | |
| 27 | #include <linux/mm.h> | |
| 28 | #include <linux/fs.h> | |
| 29 | #include <linux/file.h> | |
| 30 | #include <linux/string.h> | |
| 31 | #include <linux/errno.h> | |
| 32 | #include <linux/slab.h> | |
| 33 | #include <linux/videodev.h> | |
| 5e87efa3 | 34 | #include <media/v4l2-common.h> |
| 1da177e4 LT |
35 | |
| 36 | #include <asm/uaccess.h> | |
| 37 | #include <asm/system.h> | |
| 38 | #include <asm/pgtable.h> | |
| 39 | ||
| 40 | #ifdef CONFIG_KMOD | |
| 41 | #include <linux/kmod.h> | |
| 42 | #endif | |
| 43 | ||
| 44 | static unsigned int debug = 0; | |
| 45 | module_param(debug, int, 0644); | |
| 46 | MODULE_PARM_DESC(debug,"enable debug messages"); | |
| 47 | MODULE_AUTHOR("Bill Dirks"); | |
| 48 | MODULE_DESCRIPTION("v4l(1) compatibility layer for v4l2 drivers."); | |
| 49 | MODULE_LICENSE("GPL"); | |
| 50 | ||
| 51 | #define dprintk(fmt, arg...) if (debug) \ | |
| 52 | printk(KERN_DEBUG "v4l1-compat: " fmt , ## arg) | |
| 53 | ||
| 54 | /* | |
| 55 | * I O C T L T R A N S L A T I O N | |
| 56 | * | |
| 57 | * From here on down is the code for translating the numerous | |
| 58 | * ioctl commands from the old API to the new API. | |
| 59 | */ | |
| 60 | ||
| 61 | static int | |
| 62 | get_v4l_control(struct inode *inode, | |
| 63 | struct file *file, | |
| 64 | int cid, | |
| 65 | v4l2_kioctl drv) | |
| 66 | { | |
| 67 | struct v4l2_queryctrl qctrl2; | |
| 68 | struct v4l2_control ctrl2; | |
| 69 | int err; | |
| 70 | ||
| 71 | qctrl2.id = cid; | |
| 72 | err = drv(inode, file, VIDIOC_QUERYCTRL, &qctrl2); | |
| 73 | if (err < 0) | |
| 74 | dprintk("VIDIOC_QUERYCTRL: %d\n",err); | |
| 75 | if (err == 0 && | |
| 76 | !(qctrl2.flags & V4L2_CTRL_FLAG_DISABLED)) | |
| 77 | { | |
| 78 | ctrl2.id = qctrl2.id; | |
| 79 | err = drv(inode, file, VIDIOC_G_CTRL, &ctrl2); | |
| 80 | if (err < 0) { | |
| 81 | dprintk("VIDIOC_G_CTRL: %d\n",err); | |
| 82 | return 0; | |
| 83 | } | |
| 84 | return ((ctrl2.value - qctrl2.minimum) * 65535 | |
| 85 | + (qctrl2.maximum - qctrl2.minimum) / 2) | |
| 86 | / (qctrl2.maximum - qctrl2.minimum); | |
| 87 | } | |
| 88 | return 0; | |
| 89 | } | |
| 90 | ||
| 91 | static int | |
| 92 | set_v4l_control(struct inode *inode, | |
| 93 | struct file *file, | |
| 94 | int cid, | |
| 95 | int value, | |
| 96 | v4l2_kioctl drv) | |
| 97 | { | |
| 98 | struct v4l2_queryctrl qctrl2; | |
| 99 | struct v4l2_control ctrl2; | |
| 100 | int err; | |
| 101 | ||
| 102 | qctrl2.id = cid; | |
| 103 | err = drv(inode, file, VIDIOC_QUERYCTRL, &qctrl2); | |
| 104 | if (err < 0) | |
| 105 | dprintk("VIDIOC_QUERYCTRL: %d\n",err); | |
| 106 | if (err == 0 && | |
| 107 | !(qctrl2.flags & V4L2_CTRL_FLAG_DISABLED) && | |
| 108 | !(qctrl2.flags & V4L2_CTRL_FLAG_GRABBED)) | |
| 109 | { | |
| 110 | if (value < 0) | |
| 111 | value = 0; | |
| 112 | if (value > 65535) | |
| 113 | value = 65535; | |
| 114 | if (value && qctrl2.type == V4L2_CTRL_TYPE_BOOLEAN) | |
| 115 | value = 65535; | |
| 116 | ctrl2.id = qctrl2.id; | |
| 117 | ctrl2.value = | |
| 118 | (value * (qctrl2.maximum - qctrl2.minimum) | |
| 119 | + 32767) | |
| 120 | / 65535; | |
| 121 | ctrl2.value += qctrl2.minimum; | |
| 122 | err = drv(inode, file, VIDIOC_S_CTRL, &ctrl2); | |
| 123 | if (err < 0) | |
| 124 | dprintk("VIDIOC_S_CTRL: %d\n",err); | |
| 125 | } | |
| 126 | return 0; | |
| 127 | } | |
| 128 | ||
| 129 | /* ----------------------------------------------------------------- */ | |
| 130 | ||
| 131 | static int palette2pixelformat[] = { | |
| 132 | [VIDEO_PALETTE_GREY] = V4L2_PIX_FMT_GREY, | |
| 133 | [VIDEO_PALETTE_RGB555] = V4L2_PIX_FMT_RGB555, | |
| 134 | [VIDEO_PALETTE_RGB565] = V4L2_PIX_FMT_RGB565, | |
| 135 | [VIDEO_PALETTE_RGB24] = V4L2_PIX_FMT_BGR24, | |
| 136 | [VIDEO_PALETTE_RGB32] = V4L2_PIX_FMT_BGR32, | |
| 137 | /* yuv packed pixel */ | |
| 138 | [VIDEO_PALETTE_YUYV] = V4L2_PIX_FMT_YUYV, | |
| 139 | [VIDEO_PALETTE_YUV422] = V4L2_PIX_FMT_YUYV, | |
| 140 | [VIDEO_PALETTE_UYVY] = V4L2_PIX_FMT_UYVY, | |
| 141 | /* yuv planar */ | |
| 142 | [VIDEO_PALETTE_YUV410P] = V4L2_PIX_FMT_YUV410, | |
| 143 | [VIDEO_PALETTE_YUV420] = V4L2_PIX_FMT_YUV420, | |
| 144 | [VIDEO_PALETTE_YUV420P] = V4L2_PIX_FMT_YUV420, | |
| 145 | [VIDEO_PALETTE_YUV411P] = V4L2_PIX_FMT_YUV411P, | |
| 146 | [VIDEO_PALETTE_YUV422P] = V4L2_PIX_FMT_YUV422P, | |
| 147 | }; | |
| 148 | ||
| 149 | static unsigned int | |
| 150 | palette_to_pixelformat(unsigned int palette) | |
| 151 | { | |
| 152 | if (palette < ARRAY_SIZE(palette2pixelformat)) | |
| 153 | return palette2pixelformat[palette]; | |
| 154 | else | |
| 155 | return 0; | |
| 156 | } | |
| 157 | ||
| 158 | static unsigned int | |
| 159 | pixelformat_to_palette(int pixelformat) | |
| 160 | { | |
| 161 | int palette = 0; | |
| 162 | switch (pixelformat) | |
| 163 | { | |
| 164 | case V4L2_PIX_FMT_GREY: | |
| 165 | palette = VIDEO_PALETTE_GREY; | |
| 166 | break; | |
| 167 | case V4L2_PIX_FMT_RGB555: | |
| 168 | palette = VIDEO_PALETTE_RGB555; | |
| 169 | break; | |
| 170 | case V4L2_PIX_FMT_RGB565: | |
| 171 | palette = VIDEO_PALETTE_RGB565; | |
| 172 | break; | |
| 173 | case V4L2_PIX_FMT_BGR24: | |
| 174 | palette = VIDEO_PALETTE_RGB24; | |
| 175 | break; | |
| 176 | case V4L2_PIX_FMT_BGR32: | |
| 177 | palette = VIDEO_PALETTE_RGB32; | |
| 178 | break; | |
| 179 | /* yuv packed pixel */ | |
| 180 | case V4L2_PIX_FMT_YUYV: | |
| 181 | palette = VIDEO_PALETTE_YUYV; | |
| 182 | break; | |
| 183 | case V4L2_PIX_FMT_UYVY: | |
| 184 | palette = VIDEO_PALETTE_UYVY; | |
| 185 | break; | |
| 186 | /* yuv planar */ | |
| 187 | case V4L2_PIX_FMT_YUV410: | |
| 188 | palette = VIDEO_PALETTE_YUV420; | |
| 189 | break; | |
| 190 | case V4L2_PIX_FMT_YUV420: | |
| 191 | palette = VIDEO_PALETTE_YUV420; | |
| 192 | break; | |
| 193 | case V4L2_PIX_FMT_YUV411P: | |
| 194 | palette = VIDEO_PALETTE_YUV411P; | |
| 195 | break; | |
| 196 | case V4L2_PIX_FMT_YUV422P: | |
| 197 | palette = VIDEO_PALETTE_YUV422P; | |
| 198 | break; | |
| 199 | } | |
| 200 | return palette; | |
| 201 | } | |
| 202 | ||
| 203 | /* ----------------------------------------------------------------- */ | |
| 204 | ||
| 205 | static int poll_one(struct file *file) | |
| 206 | { | |
| 207 | int retval = 1; | |
| 208 | poll_table *table; | |
| 209 | struct poll_wqueues pwq; | |
| 210 | ||
| 211 | poll_initwait(&pwq); | |
| 212 | table = &pwq.pt; | |
| 213 | for (;;) { | |
| 214 | int mask; | |
| 215 | set_current_state(TASK_INTERRUPTIBLE); | |
| 216 | mask = file->f_op->poll(file, table); | |
| 217 | if (mask & POLLIN) | |
| 218 | break; | |
| 219 | table = NULL; | |
| 220 | if (signal_pending(current)) { | |
| 221 | retval = -ERESTARTSYS; | |
| 222 | break; | |
| 223 | } | |
| 224 | schedule(); | |
| 225 | } | |
| 226 | set_current_state(TASK_RUNNING); | |
| 227 | poll_freewait(&pwq); | |
| 228 | return retval; | |
| 229 | } | |
| 230 | ||
| 231 | static int count_inputs(struct inode *inode, | |
| 232 | struct file *file, | |
| 233 | v4l2_kioctl drv) | |
| 234 | { | |
| 235 | struct v4l2_input input2; | |
| 236 | int i; | |
| 237 | ||
| 238 | for (i = 0;; i++) { | |
| 239 | memset(&input2,0,sizeof(input2)); | |
| 240 | input2.index = i; | |
| 241 | if (0 != drv(inode,file,VIDIOC_ENUMINPUT, &input2)) | |
| 242 | break; | |
| 243 | } | |
| 244 | return i; | |
| 245 | } | |
| 246 | ||
| 247 | static int check_size(struct inode *inode, | |
| 248 | struct file *file, | |
| 249 | v4l2_kioctl drv, | |
| 250 | int *maxw, int *maxh) | |
| 251 | { | |
| 252 | struct v4l2_fmtdesc desc2; | |
| 253 | struct v4l2_format fmt2; | |
| 254 | ||
| 255 | memset(&desc2,0,sizeof(desc2)); | |
| 256 | memset(&fmt2,0,sizeof(fmt2)); | |
| 257 | ||
| 258 | desc2.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
| 259 | if (0 != drv(inode,file,VIDIOC_ENUM_FMT, &desc2)) | |
| 260 | goto done; | |
| 261 | ||
| 262 | fmt2.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
| 263 | fmt2.fmt.pix.width = 10000; | |
| 264 | fmt2.fmt.pix.height = 10000; | |
| 265 | fmt2.fmt.pix.pixelformat = desc2.pixelformat; | |
| 266 | if (0 != drv(inode,file,VIDIOC_TRY_FMT, &fmt2)) | |
| 267 | goto done; | |
| 268 | ||
| 269 | *maxw = fmt2.fmt.pix.width; | |
| 270 | *maxh = fmt2.fmt.pix.height; | |
| 271 | ||
| 272 | done: | |
| 273 | return 0; | |
| 274 | } | |
| 275 | ||
| 276 | /* ----------------------------------------------------------------- */ | |
| 277 | ||
| 278 | /* | |
| 279 | * This function is exported. | |
| 280 | */ | |
| 281 | int | |
| 282 | v4l_compat_translate_ioctl(struct inode *inode, | |
| 283 | struct file *file, | |
| 284 | int cmd, | |
| 285 | void *arg, | |
| 286 | v4l2_kioctl drv) | |
| 287 | { | |
| 288 | struct v4l2_capability *cap2 = NULL; | |
| 289 | struct v4l2_format *fmt2 = NULL; | |
| 290 | enum v4l2_buf_type captype = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
| 291 | ||
| 292 | struct v4l2_framebuffer fbuf2; | |
| 293 | struct v4l2_input input2; | |
| 294 | struct v4l2_tuner tun2; | |
| 295 | struct v4l2_standard std2; | |
| 296 | struct v4l2_frequency freq2; | |
| 297 | struct v4l2_audio aud2; | |
| 298 | struct v4l2_queryctrl qctrl2; | |
| 299 | struct v4l2_buffer buf2; | |
| 300 | v4l2_std_id sid; | |
| 301 | int i, err = 0; | |
| 302 | ||
| 303 | switch (cmd) { | |
| 304 | case VIDIOCGCAP: /* capability */ | |
| 305 | { | |
| 306 | struct video_capability *cap = arg; | |
| 307 | ||
| 7408187d | 308 | cap2 = kzalloc(sizeof(*cap2),GFP_KERNEL); |
| 1da177e4 | 309 | memset(cap, 0, sizeof(*cap)); |
| 1da177e4 LT |
310 | memset(&fbuf2, 0, sizeof(fbuf2)); |
| 311 | ||
| 312 | err = drv(inode, file, VIDIOC_QUERYCAP, cap2); | |
| 313 | if (err < 0) { | |
| 314 | dprintk("VIDIOCGCAP / VIDIOC_QUERYCAP: %d\n",err); | |
| 315 | break; | |
| 316 | } | |
| 317 | if (cap2->capabilities & V4L2_CAP_VIDEO_OVERLAY) { | |
| 318 | err = drv(inode, file, VIDIOC_G_FBUF, &fbuf2); | |
| 319 | if (err < 0) { | |
| 320 | dprintk("VIDIOCGCAP / VIDIOC_G_FBUF: %d\n",err); | |
| 321 | memset(&fbuf2, 0, sizeof(fbuf2)); | |
| 322 | } | |
| 323 | err = 0; | |
| 324 | } | |
| 325 | ||
| 326 | memcpy(cap->name, cap2->card, | |
| 327 | min(sizeof(cap->name), sizeof(cap2->card))); | |
| 328 | cap->name[sizeof(cap->name) - 1] = 0; | |
| 329 | if (cap2->capabilities & V4L2_CAP_VIDEO_CAPTURE) | |
| 330 | cap->type |= VID_TYPE_CAPTURE; | |
| 331 | if (cap2->capabilities & V4L2_CAP_TUNER) | |
| 332 | cap->type |= VID_TYPE_TUNER; | |
| 333 | if (cap2->capabilities & V4L2_CAP_VBI_CAPTURE) | |
| 334 | cap->type |= VID_TYPE_TELETEXT; | |
| 335 | if (cap2->capabilities & V4L2_CAP_VIDEO_OVERLAY) | |
| 336 | cap->type |= VID_TYPE_OVERLAY; | |
| 337 | if (fbuf2.capability & V4L2_FBUF_CAP_LIST_CLIPPING) | |
| 338 | cap->type |= VID_TYPE_CLIPPING; | |
| 339 | ||
| 340 | cap->channels = count_inputs(inode,file,drv); | |
| 341 | check_size(inode,file,drv, | |
| 342 | &cap->maxwidth,&cap->maxheight); | |
| 343 | cap->audios = 0; /* FIXME */ | |
| 344 | cap->minwidth = 48; /* FIXME */ | |
| 345 | cap->minheight = 32; /* FIXME */ | |
| 346 | break; | |
| 347 | } | |
| 348 | case VIDIOCGFBUF: /* get frame buffer */ | |
| 349 | { | |
| 350 | struct video_buffer *buffer = arg; | |
| 351 | ||
| 352 | err = drv(inode, file, VIDIOC_G_FBUF, &fbuf2); | |
| 353 | if (err < 0) { | |
| 354 | dprintk("VIDIOCGFBUF / VIDIOC_G_FBUF: %d\n",err); | |
| 355 | break; | |
| 356 | } | |
| 357 | buffer->base = fbuf2.base; | |
| 358 | buffer->height = fbuf2.fmt.height; | |
| 359 | buffer->width = fbuf2.fmt.width; | |
| 360 | ||
| 361 | switch (fbuf2.fmt.pixelformat) { | |
| 362 | case V4L2_PIX_FMT_RGB332: | |
| 363 | buffer->depth = 8; | |
| 364 | break; | |
| 365 | case V4L2_PIX_FMT_RGB555: | |
| 366 | buffer->depth = 15; | |
| 367 | break; | |
| 368 | case V4L2_PIX_FMT_RGB565: | |
| 369 | buffer->depth = 16; | |
| 370 | break; | |
| 371 | case V4L2_PIX_FMT_BGR24: | |
| 372 | buffer->depth = 24; | |
| 373 | break; | |
| 374 | case V4L2_PIX_FMT_BGR32: | |
| 375 | buffer->depth = 32; | |
| 376 | break; | |
| 377 | default: | |
| 378 | buffer->depth = 0; | |
| 379 | } | |
| 380 | if (0 != fbuf2.fmt.bytesperline) | |
| 381 | buffer->bytesperline = fbuf2.fmt.bytesperline; | |
| 382 | else { | |
| 383 | buffer->bytesperline = | |
| 384 | (buffer->width * buffer->depth + 7) & 7; | |
| 385 | buffer->bytesperline >>= 3; | |
| 386 | } | |
| 387 | break; | |
| 388 | } | |
| 389 | case VIDIOCSFBUF: /* set frame buffer */ | |
| 390 | { | |
| 391 | struct video_buffer *buffer = arg; | |
| 392 | ||
| 393 | memset(&fbuf2, 0, sizeof(fbuf2)); | |
| 394 | fbuf2.base = buffer->base; | |
| 395 | fbuf2.fmt.height = buffer->height; | |
| 396 | fbuf2.fmt.width = buffer->width; | |
| 397 | switch (buffer->depth) { | |
| 398 | case 8: | |
| 399 | fbuf2.fmt.pixelformat = V4L2_PIX_FMT_RGB332; | |
| 400 | break; | |
| 401 | case 15: | |
| 402 | fbuf2.fmt.pixelformat = V4L2_PIX_FMT_RGB555; | |
| 403 | break; | |
| 404 | case 16: | |
| 405 | fbuf2.fmt.pixelformat = V4L2_PIX_FMT_RGB565; | |
| 406 | break; | |
| 407 | case 24: | |
| 408 | fbuf2.fmt.pixelformat = V4L2_PIX_FMT_BGR24; | |
| 409 | break; | |
| 410 | case 32: | |
| 411 | fbuf2.fmt.pixelformat = V4L2_PIX_FMT_BGR32; | |
| 412 | break; | |
| 413 | } | |
| 414 | fbuf2.fmt.bytesperline = buffer->bytesperline; | |
| 415 | err = drv(inode, file, VIDIOC_S_FBUF, &fbuf2); | |
| 416 | if (err < 0) | |
| 417 | dprintk("VIDIOCSFBUF / VIDIOC_S_FBUF: %d\n",err); | |
| 418 | break; | |
| 419 | } | |
| 420 | case VIDIOCGWIN: /* get window or capture dimensions */ | |
| 421 | { | |
| 422 | struct video_window *win = arg; | |
| 423 | ||
| 7408187d | 424 | fmt2 = kzalloc(sizeof(*fmt2),GFP_KERNEL); |
| 1da177e4 | 425 | memset(win,0,sizeof(*win)); |
| 1da177e4 LT |
426 | |
| 427 | fmt2->type = V4L2_BUF_TYPE_VIDEO_OVERLAY; | |
| 428 | err = drv(inode, file, VIDIOC_G_FMT, fmt2); | |
| 429 | if (err < 0) | |
| 430 | dprintk("VIDIOCGWIN / VIDIOC_G_WIN: %d\n",err); | |
| 431 | if (err == 0) { | |
| 432 | win->x = fmt2->fmt.win.w.left; | |
| 433 | win->y = fmt2->fmt.win.w.top; | |
| 434 | win->width = fmt2->fmt.win.w.width; | |
| 435 | win->height = fmt2->fmt.win.w.height; | |
| 436 | win->chromakey = fmt2->fmt.win.chromakey; | |
| 437 | win->clips = NULL; | |
| 438 | win->clipcount = 0; | |
| 439 | break; | |
| 440 | } | |
| 441 | ||
| 442 | fmt2->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
| 443 | err = drv(inode, file, VIDIOC_G_FMT, fmt2); | |
| 444 | if (err < 0) { | |
| 445 | dprintk("VIDIOCGWIN / VIDIOC_G_FMT: %d\n",err); | |
| 446 | break; | |
| 447 | } | |
| 448 | win->x = 0; | |
| 449 | win->y = 0; | |
| 450 | win->width = fmt2->fmt.pix.width; | |
| 451 | win->height = fmt2->fmt.pix.height; | |
| 452 | win->chromakey = 0; | |
| 453 | win->clips = NULL; | |
| 454 | win->clipcount = 0; | |
| 455 | break; | |
| 456 | } | |
| 457 | case VIDIOCSWIN: /* set window and/or capture dimensions */ | |
| 458 | { | |
| 459 | struct video_window *win = arg; | |
| 460 | int err1,err2; | |
| 461 | ||
| 7408187d | 462 | fmt2 = kzalloc(sizeof(*fmt2),GFP_KERNEL); |
| 1da177e4 LT |
463 | fmt2->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; |
| 464 | drv(inode, file, VIDIOC_STREAMOFF, &fmt2->type); | |
| 465 | err1 = drv(inode, file, VIDIOC_G_FMT, fmt2); | |
| 466 | if (err1 < 0) | |
| 467 | dprintk("VIDIOCSWIN / VIDIOC_G_FMT: %d\n",err); | |
| 468 | if (err1 == 0) { | |
| 469 | fmt2->fmt.pix.width = win->width; | |
| 470 | fmt2->fmt.pix.height = win->height; | |
| 471 | fmt2->fmt.pix.field = V4L2_FIELD_ANY; | |
| 472 | fmt2->fmt.pix.bytesperline = 0; | |
| 473 | err = drv(inode, file, VIDIOC_S_FMT, fmt2); | |
| 474 | if (err < 0) | |
| 475 | dprintk("VIDIOCSWIN / VIDIOC_S_FMT #1: %d\n", | |
| 476 | err); | |
| 477 | win->width = fmt2->fmt.pix.width; | |
| 478 | win->height = fmt2->fmt.pix.height; | |
| 479 | } | |
| 480 | ||
| 481 | memset(fmt2,0,sizeof(*fmt2)); | |
| 482 | fmt2->type = V4L2_BUF_TYPE_VIDEO_OVERLAY; | |
| 483 | fmt2->fmt.win.w.left = win->x; | |
| 484 | fmt2->fmt.win.w.top = win->y; | |
| 485 | fmt2->fmt.win.w.width = win->width; | |
| 486 | fmt2->fmt.win.w.height = win->height; | |
| 487 | fmt2->fmt.win.chromakey = win->chromakey; | |
| 488 | fmt2->fmt.win.clips = (void __user *)win->clips; | |
| 489 | fmt2->fmt.win.clipcount = win->clipcount; | |
| 490 | err2 = drv(inode, file, VIDIOC_S_FMT, fmt2); | |
| 491 | if (err2 < 0) | |
| 492 | dprintk("VIDIOCSWIN / VIDIOC_S_FMT #2: %d\n",err); | |
| 493 | ||
| 494 | if (err1 != 0 && err2 != 0) | |
| 495 | err = err1; | |
| 496 | break; | |
| 497 | } | |
| 498 | case VIDIOCCAPTURE: /* turn on/off preview */ | |
| 499 | { | |
| 500 | int *on = arg; | |
| 501 | ||
| 502 | if (0 == *on) { | |
| 503 | /* dirty hack time. But v4l1 has no STREAMOFF | |
| 504 | * equivalent in the API, and this one at | |
| 505 | * least comes close ... */ | |
| 506 | drv(inode, file, VIDIOC_STREAMOFF, &captype); | |
| 507 | } | |
| 508 | err = drv(inode, file, VIDIOC_OVERLAY, arg); | |
| 509 | if (err < 0) | |
| 510 | dprintk("VIDIOCCAPTURE / VIDIOC_PREVIEW: %d\n",err); | |
| 511 | break; | |
| 512 | } | |
| 513 | case VIDIOCGCHAN: /* get input information */ | |
| 514 | { | |
| 515 | struct video_channel *chan = arg; | |
| 516 | ||
| 517 | memset(&input2,0,sizeof(input2)); | |
| 518 | input2.index = chan->channel; | |
| 519 | err = drv(inode, file, VIDIOC_ENUMINPUT, &input2); | |
| 520 | if (err < 0) { | |
| 521 | dprintk("VIDIOCGCHAN / VIDIOC_ENUMINPUT: " | |
| 522 | "channel=%d err=%d\n",chan->channel,err); | |
| 523 | break; | |
| 524 | } | |
| 525 | chan->channel = input2.index; | |
| 526 | memcpy(chan->name, input2.name, | |
| 527 | min(sizeof(chan->name), sizeof(input2.name))); | |
| 528 | chan->name[sizeof(chan->name) - 1] = 0; | |
| 529 | chan->tuners = (input2.type == V4L2_INPUT_TYPE_TUNER) ? 1 : 0; | |
| 530 | chan->flags = (chan->tuners) ? VIDEO_VC_TUNER : 0; | |
| 531 | switch (input2.type) { | |
| 532 | case V4L2_INPUT_TYPE_TUNER: | |
| 533 | chan->type = VIDEO_TYPE_TV; | |
| 534 | break; | |
| 535 | default: | |
| 536 | case V4L2_INPUT_TYPE_CAMERA: | |
| 537 | chan->type = VIDEO_TYPE_CAMERA; | |
| 538 | break; | |
| 539 | } | |
| 540 | chan->norm = 0; | |
| 541 | err = drv(inode, file, VIDIOC_G_STD, &sid); | |
| 542 | if (err < 0) | |
| 543 | dprintk("VIDIOCGCHAN / VIDIOC_G_STD: %d\n",err); | |
| 544 | if (err == 0) { | |
| 545 | if (sid & V4L2_STD_PAL) | |
| 546 | chan->norm = VIDEO_MODE_PAL; | |
| 547 | if (sid & V4L2_STD_NTSC) | |
| 548 | chan->norm = VIDEO_MODE_NTSC; | |
| 549 | if (sid & V4L2_STD_SECAM) | |
| 550 | chan->norm = VIDEO_MODE_SECAM; | |
| 551 | } | |
| 552 | break; | |
| 553 | } | |
| 554 | case VIDIOCSCHAN: /* set input */ | |
| 555 | { | |
| 556 | struct video_channel *chan = arg; | |
| 557 | ||
| 558 | sid = 0; | |
| 559 | err = drv(inode, file, VIDIOC_S_INPUT, &chan->channel); | |
| 560 | if (err < 0) | |
| 561 | dprintk("VIDIOCSCHAN / VIDIOC_S_INPUT: %d\n",err); | |
| 562 | switch (chan->norm) { | |
| 563 | case VIDEO_MODE_PAL: | |
| 564 | sid = V4L2_STD_PAL; | |
| 565 | break; | |
| 566 | case VIDEO_MODE_NTSC: | |
| 567 | sid = V4L2_STD_NTSC; | |
| 568 | break; | |
| 569 | case VIDEO_MODE_SECAM: | |
| 570 | sid = V4L2_STD_SECAM; | |
| 571 | break; | |
| 572 | } | |
| 573 | if (0 != sid) { | |
| 574 | err = drv(inode, file, VIDIOC_S_STD, &sid); | |
| 575 | if (err < 0) | |
| 576 | dprintk("VIDIOCSCHAN / VIDIOC_S_STD: %d\n",err); | |
| 577 | } | |
| 578 | break; | |
| 579 | } | |
| 580 | case VIDIOCGPICT: /* get tone controls & partial capture format */ | |
| 581 | { | |
| 582 | struct video_picture *pict = arg; | |
| 583 | ||
| 584 | pict->brightness = get_v4l_control(inode, file, | |
| 585 | V4L2_CID_BRIGHTNESS,drv); | |
| 586 | pict->hue = get_v4l_control(inode, file, | |
| 587 | V4L2_CID_HUE, drv); | |
| 588 | pict->contrast = get_v4l_control(inode, file, | |
| 589 | V4L2_CID_CONTRAST, drv); | |
| 590 | pict->colour = get_v4l_control(inode, file, | |
| 591 | V4L2_CID_SATURATION, drv); | |
| 592 | pict->whiteness = get_v4l_control(inode, file, | |
| 593 | V4L2_CID_WHITENESS, drv); | |
| 594 | ||
| 7408187d | 595 | fmt2 = kzalloc(sizeof(*fmt2),GFP_KERNEL); |
| 1da177e4 LT |
596 | fmt2->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; |
| 597 | err = drv(inode, file, VIDIOC_G_FMT, fmt2); | |
| 598 | if (err < 0) { | |
| 599 | dprintk("VIDIOCGPICT / VIDIOC_G_FMT: %d\n",err); | |
| 600 | break; | |
| 601 | } | |
| 8a016dcc MCC |
602 | |
| 603 | pict->depth = ((fmt2->fmt.pix.bytesperline<<3) | |
| 604 | + (fmt2->fmt.pix.width-1) ) | |
| 605 | /fmt2->fmt.pix.width; | |
| 1da177e4 LT |
606 | pict->palette = pixelformat_to_palette( |
| 607 | fmt2->fmt.pix.pixelformat); | |
| 608 | break; | |
| 609 | } | |
| 610 | case VIDIOCSPICT: /* set tone controls & partial capture format */ | |
| 611 | { | |
| 612 | struct video_picture *pict = arg; | |
| 613 | ||
| 614 | set_v4l_control(inode, file, | |
| 615 | V4L2_CID_BRIGHTNESS, pict->brightness, drv); | |
| 616 | set_v4l_control(inode, file, | |
| 617 | V4L2_CID_HUE, pict->hue, drv); | |
| 618 | set_v4l_control(inode, file, | |
| 619 | V4L2_CID_CONTRAST, pict->contrast, drv); | |
| 620 | set_v4l_control(inode, file, | |
| 621 | V4L2_CID_SATURATION, pict->colour, drv); | |
| 622 | set_v4l_control(inode, file, | |
| 623 | V4L2_CID_WHITENESS, pict->whiteness, drv); | |
| 624 | ||
| 7408187d | 625 | fmt2 = kzalloc(sizeof(*fmt2),GFP_KERNEL); |
| 1da177e4 LT |
626 | fmt2->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; |
| 627 | err = drv(inode, file, VIDIOC_G_FMT, fmt2); | |
| 628 | if (err < 0) | |
| 629 | dprintk("VIDIOCSPICT / VIDIOC_G_FMT: %d\n",err); | |
| 630 | if (fmt2->fmt.pix.pixelformat != | |
| 631 | palette_to_pixelformat(pict->palette)) { | |
| 632 | fmt2->fmt.pix.pixelformat = palette_to_pixelformat( | |
| 633 | pict->palette); | |
| 634 | err = drv(inode, file, VIDIOC_S_FMT, fmt2); | |
| 635 | if (err < 0) | |
| 636 | dprintk("VIDIOCSPICT / VIDIOC_S_FMT: %d\n",err); | |
| 637 | } | |
| 638 | ||
| 639 | err = drv(inode, file, VIDIOC_G_FBUF, &fbuf2); | |
| 640 | if (err < 0) | |
| 641 | dprintk("VIDIOCSPICT / VIDIOC_G_FBUF: %d\n",err); | |
| 642 | if (fbuf2.fmt.pixelformat != | |
| 643 | palette_to_pixelformat(pict->palette)) { | |
| 644 | fbuf2.fmt.pixelformat = palette_to_pixelformat( | |
| 645 | pict->palette); | |
| 646 | err = drv(inode, file, VIDIOC_S_FBUF, &fbuf2); | |
| 647 | if (err < 0) | |
| 648 | dprintk("VIDIOCSPICT / VIDIOC_S_FBUF: %d\n",err); | |
| 649 | err = 0; /* likely fails for non-root */ | |
| 650 | } | |
| 651 | break; | |
| 652 | } | |
| 653 | case VIDIOCGTUNER: /* get tuner information */ | |
| 654 | { | |
| 655 | struct video_tuner *tun = arg; | |
| 656 | ||
| 657 | memset(&tun2,0,sizeof(tun2)); | |
| 658 | err = drv(inode, file, VIDIOC_G_TUNER, &tun2); | |
| 659 | if (err < 0) { | |
| 660 | dprintk("VIDIOCGTUNER / VIDIOC_G_TUNER: %d\n",err); | |
| 661 | break; | |
| 662 | } | |
| 663 | memcpy(tun->name, tun2.name, | |
| 664 | min(sizeof(tun->name), sizeof(tun2.name))); | |
| 665 | tun->name[sizeof(tun->name) - 1] = 0; | |
| 666 | tun->rangelow = tun2.rangelow; | |
| 667 | tun->rangehigh = tun2.rangehigh; | |
| 668 | tun->flags = 0; | |
| 669 | tun->mode = VIDEO_MODE_AUTO; | |
| 670 | ||
| 671 | for (i = 0; i < 64; i++) { | |
| 672 | memset(&std2,0,sizeof(std2)); | |
| 673 | std2.index = i; | |
| 674 | if (0 != drv(inode, file, VIDIOC_ENUMSTD, &std2)) | |
| 675 | break; | |
| 676 | if (std2.id & V4L2_STD_PAL) | |
| 677 | tun->flags |= VIDEO_TUNER_PAL; | |
| 678 | if (std2.id & V4L2_STD_NTSC) | |
| 679 | tun->flags |= VIDEO_TUNER_NTSC; | |
| 680 | if (std2.id & V4L2_STD_SECAM) | |
| 681 | tun->flags |= VIDEO_TUNER_SECAM; | |
| 682 | } | |
| 683 | ||
| 684 | err = drv(inode, file, VIDIOC_G_STD, &sid); | |
| 685 | if (err < 0) | |
| 686 | dprintk("VIDIOCGTUNER / VIDIOC_G_STD: %d\n",err); | |
| 687 | if (err == 0) { | |
| 688 | if (sid & V4L2_STD_PAL) | |
| 689 | tun->mode = VIDEO_MODE_PAL; | |
| 690 | if (sid & V4L2_STD_NTSC) | |
| 691 | tun->mode = VIDEO_MODE_NTSC; | |
| 692 | if (sid & V4L2_STD_SECAM) | |
| 693 | tun->mode = VIDEO_MODE_SECAM; | |
| 694 | } | |
| 695 | ||
| 696 | if (tun2.capability & V4L2_TUNER_CAP_LOW) | |
| 697 | tun->flags |= VIDEO_TUNER_LOW; | |
| 698 | if (tun2.rxsubchans & V4L2_TUNER_SUB_STEREO) | |
| 699 | tun->flags |= VIDEO_TUNER_STEREO_ON; | |
| 700 | tun->signal = tun2.signal; | |
| 701 | break; | |
| 702 | } | |
| 703 | case VIDIOCSTUNER: /* select a tuner input */ | |
| 704 | { | |
| 1da177e4 | 705 | err = 0; |
| 1da177e4 LT |
706 | break; |
| 707 | } | |
| 708 | case VIDIOCGFREQ: /* get frequency */ | |
| 709 | { | |
| 376f269e | 710 | unsigned long *freq = arg; |
| 1da177e4 LT |
711 | |
| 712 | freq2.tuner = 0; | |
| 713 | err = drv(inode, file, VIDIOC_G_FREQUENCY, &freq2); | |
| 714 | if (err < 0) | |
| 715 | dprintk("VIDIOCGFREQ / VIDIOC_G_FREQUENCY: %d\n",err); | |
| 716 | if (0 == err) | |
| 717 | *freq = freq2.frequency; | |
| 718 | break; | |
| 719 | } | |
| 720 | case VIDIOCSFREQ: /* set frequency */ | |
| 721 | { | |
| 376f269e | 722 | unsigned long *freq = arg; |
| 1da177e4 LT |
723 | |
| 724 | freq2.tuner = 0; | |
| 725 | drv(inode, file, VIDIOC_G_FREQUENCY, &freq2); | |
| 726 | freq2.frequency = *freq; | |
| 727 | err = drv(inode, file, VIDIOC_S_FREQUENCY, &freq2); | |
| 728 | if (err < 0) | |
| 729 | dprintk("VIDIOCSFREQ / VIDIOC_S_FREQUENCY: %d\n",err); | |
| 730 | break; | |
| 731 | } | |
| 732 | case VIDIOCGAUDIO: /* get audio properties/controls */ | |
| 733 | { | |
| 734 | struct video_audio *aud = arg; | |
| 735 | ||
| 736 | err = drv(inode, file, VIDIOC_G_AUDIO, &aud2); | |
| 737 | if (err < 0) { | |
| 738 | dprintk("VIDIOCGAUDIO / VIDIOC_G_AUDIO: %d\n",err); | |
| 739 | break; | |
| 740 | } | |
| 741 | memcpy(aud->name, aud2.name, | |
| 742 | min(sizeof(aud->name), sizeof(aud2.name))); | |
| 743 | aud->name[sizeof(aud->name) - 1] = 0; | |
| 744 | aud->audio = aud2.index; | |
| 745 | aud->flags = 0; | |
| 746 | i = get_v4l_control(inode, file, V4L2_CID_AUDIO_VOLUME, drv); | |
| 747 | if (i >= 0) { | |
| 748 | aud->volume = i; | |
| 749 | aud->flags |= VIDEO_AUDIO_VOLUME; | |
| 750 | } | |
| 751 | i = get_v4l_control(inode, file, V4L2_CID_AUDIO_BASS, drv); | |
| 752 | if (i >= 0) { | |
| 753 | aud->bass = i; | |
| 754 | aud->flags |= VIDEO_AUDIO_BASS; | |
| 755 | } | |
| 756 | i = get_v4l_control(inode, file, V4L2_CID_AUDIO_TREBLE, drv); | |
| 757 | if (i >= 0) { | |
| 758 | aud->treble = i; | |
| 759 | aud->flags |= VIDEO_AUDIO_TREBLE; | |
| 760 | } | |
| 761 | i = get_v4l_control(inode, file, V4L2_CID_AUDIO_BALANCE, drv); | |
| 762 | if (i >= 0) { | |
| 763 | aud->balance = i; | |
| 764 | aud->flags |= VIDEO_AUDIO_BALANCE; | |
| 765 | } | |
| 766 | i = get_v4l_control(inode, file, V4L2_CID_AUDIO_MUTE, drv); | |
| 767 | if (i >= 0) { | |
| 768 | if (i) | |
| 769 | aud->flags |= VIDEO_AUDIO_MUTE; | |
| 770 | aud->flags |= VIDEO_AUDIO_MUTABLE; | |
| 771 | } | |
| 772 | aud->step = 1; | |
| 773 | qctrl2.id = V4L2_CID_AUDIO_VOLUME; | |
| 774 | if (drv(inode, file, VIDIOC_QUERYCTRL, &qctrl2) == 0 && | |
| 775 | !(qctrl2.flags & V4L2_CTRL_FLAG_DISABLED)) | |
| 776 | aud->step = qctrl2.step; | |
| 777 | aud->mode = 0; | |
| ac19ecc6 MCC |
778 | |
| 779 | memset(&tun2,0,sizeof(tun2)); | |
| 1da177e4 LT |
780 | err = drv(inode, file, VIDIOC_G_TUNER, &tun2); |
| 781 | if (err < 0) { | |
| 782 | dprintk("VIDIOCGAUDIO / VIDIOC_G_TUNER: %d\n",err); | |
| 783 | err = 0; | |
| 784 | break; | |
| 785 | } | |
| ac19ecc6 | 786 | |
| 1da177e4 LT |
787 | if (tun2.rxsubchans & V4L2_TUNER_SUB_LANG2) |
| 788 | aud->mode = VIDEO_SOUND_LANG1 | VIDEO_SOUND_LANG2; | |
| 789 | else if (tun2.rxsubchans & V4L2_TUNER_SUB_STEREO) | |
| 790 | aud->mode = VIDEO_SOUND_STEREO; | |
| 791 | else if (tun2.rxsubchans & V4L2_TUNER_SUB_MONO) | |
| 792 | aud->mode = VIDEO_SOUND_MONO; | |
| 793 | break; | |
| 794 | } | |
| 795 | case VIDIOCSAUDIO: /* set audio controls */ | |
| 796 | { | |
| 797 | struct video_audio *aud = arg; | |
| 798 | ||
| 799 | memset(&aud2,0,sizeof(aud2)); | |
| 800 | memset(&tun2,0,sizeof(tun2)); | |
| 801 | ||
| 802 | aud2.index = aud->audio; | |
| 803 | err = drv(inode, file, VIDIOC_S_AUDIO, &aud2); | |
| 804 | if (err < 0) { | |
| 805 | dprintk("VIDIOCSAUDIO / VIDIOC_S_AUDIO: %d\n",err); | |
| 806 | break; | |
| 807 | } | |
| 808 | ||
| 809 | set_v4l_control(inode, file, V4L2_CID_AUDIO_VOLUME, | |
| 810 | aud->volume, drv); | |
| 811 | set_v4l_control(inode, file, V4L2_CID_AUDIO_BASS, | |
| 812 | aud->bass, drv); | |
| 813 | set_v4l_control(inode, file, V4L2_CID_AUDIO_TREBLE, | |
| 814 | aud->treble, drv); | |
| 815 | set_v4l_control(inode, file, V4L2_CID_AUDIO_BALANCE, | |
| 816 | aud->balance, drv); | |
| 817 | set_v4l_control(inode, file, V4L2_CID_AUDIO_MUTE, | |
| 818 | !!(aud->flags & VIDEO_AUDIO_MUTE), drv); | |
| 819 | ||
| 820 | err = drv(inode, file, VIDIOC_G_TUNER, &tun2); | |
| 821 | if (err < 0) | |
| 822 | dprintk("VIDIOCSAUDIO / VIDIOC_G_TUNER: %d\n",err); | |
| 823 | if (err == 0) { | |
| 824 | switch (aud->mode) { | |
| 825 | default: | |
| 826 | case VIDEO_SOUND_MONO: | |
| 827 | case VIDEO_SOUND_LANG1: | |
| 828 | tun2.audmode = V4L2_TUNER_MODE_MONO; | |
| 829 | break; | |
| 830 | case VIDEO_SOUND_STEREO: | |
| 831 | tun2.audmode = V4L2_TUNER_MODE_STEREO; | |
| 832 | break; | |
| 833 | case VIDEO_SOUND_LANG2: | |
| 834 | tun2.audmode = V4L2_TUNER_MODE_LANG2; | |
| 835 | break; | |
| 836 | } | |
| 837 | err = drv(inode, file, VIDIOC_S_TUNER, &tun2); | |
| 838 | if (err < 0) | |
| 839 | dprintk("VIDIOCSAUDIO / VIDIOC_S_TUNER: %d\n",err); | |
| 840 | } | |
| 841 | err = 0; | |
| 842 | break; | |
| 843 | } | |
| 1da177e4 LT |
844 | case VIDIOCMCAPTURE: /* capture a frame */ |
| 845 | { | |
| 846 | struct video_mmap *mm = arg; | |
| 847 | ||
| 7408187d | 848 | fmt2 = kzalloc(sizeof(*fmt2),GFP_KERNEL); |
| 1da177e4 | 849 | memset(&buf2,0,sizeof(buf2)); |
| 1da177e4 LT |
850 | |
| 851 | fmt2->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
| 852 | err = drv(inode, file, VIDIOC_G_FMT, fmt2); | |
| 853 | if (err < 0) { | |
| 854 | dprintk("VIDIOCMCAPTURE / VIDIOC_G_FMT: %d\n",err); | |
| 855 | break; | |
| 856 | } | |
| 857 | if (mm->width != fmt2->fmt.pix.width || | |
| 858 | mm->height != fmt2->fmt.pix.height || | |
| 859 | palette_to_pixelformat(mm->format) != | |
| 860 | fmt2->fmt.pix.pixelformat) | |
| 861 | {/* New capture format... */ | |
| 862 | fmt2->fmt.pix.width = mm->width; | |
| 863 | fmt2->fmt.pix.height = mm->height; | |
| 864 | fmt2->fmt.pix.pixelformat = | |
| 865 | palette_to_pixelformat(mm->format); | |
| 866 | fmt2->fmt.pix.field = V4L2_FIELD_ANY; | |
| 867 | fmt2->fmt.pix.bytesperline = 0; | |
| 868 | err = drv(inode, file, VIDIOC_S_FMT, fmt2); | |
| 869 | if (err < 0) { | |
| 870 | dprintk("VIDIOCMCAPTURE / VIDIOC_S_FMT: %d\n",err); | |
| 871 | break; | |
| 872 | } | |
| 873 | } | |
| 874 | buf2.index = mm->frame; | |
| 875 | buf2.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
| 876 | err = drv(inode, file, VIDIOC_QUERYBUF, &buf2); | |
| 877 | if (err < 0) { | |
| 878 | dprintk("VIDIOCMCAPTURE / VIDIOC_QUERYBUF: %d\n",err); | |
| 879 | break; | |
| 880 | } | |
| 881 | err = drv(inode, file, VIDIOC_QBUF, &buf2); | |
| 882 | if (err < 0) { | |
| 883 | dprintk("VIDIOCMCAPTURE / VIDIOC_QBUF: %d\n",err); | |
| 884 | break; | |
| 885 | } | |
| 886 | err = drv(inode, file, VIDIOC_STREAMON, &captype); | |
| 887 | if (err < 0) | |
| 888 | dprintk("VIDIOCMCAPTURE / VIDIOC_STREAMON: %d\n",err); | |
| 889 | break; | |
| 890 | } | |
| 891 | case VIDIOCSYNC: /* wait for a frame */ | |
| 892 | { | |
| 893 | int *i = arg; | |
| 894 | ||
| 895 | buf2.index = *i; | |
| 896 | buf2.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
| 897 | err = drv(inode, file, VIDIOC_QUERYBUF, &buf2); | |
| 898 | if (err < 0) { | |
| 899 | /* No such buffer */ | |
| 900 | dprintk("VIDIOCSYNC / VIDIOC_QUERYBUF: %d\n",err); | |
| 901 | break; | |
| 902 | } | |
| 903 | if (!(buf2.flags & V4L2_BUF_FLAG_MAPPED)) { | |
| 904 | /* Buffer is not mapped */ | |
| 905 | err = -EINVAL; | |
| 906 | break; | |
| 907 | } | |
| 908 | ||
| 909 | /* make sure capture actually runs so we don't block forever */ | |
| 910 | err = drv(inode, file, VIDIOC_STREAMON, &captype); | |
| 911 | if (err < 0) { | |
| 912 | dprintk("VIDIOCSYNC / VIDIOC_STREAMON: %d\n",err); | |
| 913 | break; | |
| 914 | } | |
| 915 | ||
| 916 | /* Loop as long as the buffer is queued, but not done */ | |
| 917 | while ((buf2.flags & | |
| 918 | (V4L2_BUF_FLAG_QUEUED | V4L2_BUF_FLAG_DONE)) | |
| 919 | == V4L2_BUF_FLAG_QUEUED) | |
| 920 | { | |
| 921 | err = poll_one(file); | |
| 922 | if (err < 0 || /* error or sleep was interrupted */ | |
| 923 | err == 0) /* timeout? Shouldn't occur. */ | |
| 924 | break; | |
| 925 | err = drv(inode, file, VIDIOC_QUERYBUF, &buf2); | |
| 926 | if (err < 0) | |
| 927 | dprintk("VIDIOCSYNC / VIDIOC_QUERYBUF: %d\n",err); | |
| 928 | } | |
| 929 | if (!(buf2.flags & V4L2_BUF_FLAG_DONE)) /* not done */ | |
| 930 | break; | |
| 931 | do { | |
| 932 | err = drv(inode, file, VIDIOC_DQBUF, &buf2); | |
| 933 | if (err < 0) | |
| 934 | dprintk("VIDIOCSYNC / VIDIOC_DQBUF: %d\n",err); | |
| 935 | } while (err == 0 && buf2.index != *i); | |
| 936 | break; | |
| 937 | } | |
| 938 | ||
| 939 | case VIDIOCGVBIFMT: /* query VBI data capture format */ | |
| 940 | { | |
| 941 | struct vbi_format *fmt = arg; | |
| 942 | ||
| 7408187d | 943 | fmt2 = kzalloc(sizeof(*fmt2),GFP_KERNEL); |
| 1da177e4 LT |
944 | fmt2->type = V4L2_BUF_TYPE_VBI_CAPTURE; |
| 945 | ||
| 946 | err = drv(inode, file, VIDIOC_G_FMT, fmt2); | |
| 947 | if (err < 0) { | |
| 948 | dprintk("VIDIOCGVBIFMT / VIDIOC_G_FMT: %d\n", err); | |
| 949 | break; | |
| 950 | } | |
| 67f1570a MS |
951 | if (fmt2->fmt.vbi.sample_format != V4L2_PIX_FMT_GREY) { |
| 952 | err = -EINVAL; | |
| 953 | break; | |
| 954 | } | |
| 1da177e4 LT |
955 | memset(fmt, 0, sizeof(*fmt)); |
| 956 | fmt->samples_per_line = fmt2->fmt.vbi.samples_per_line; | |
| 957 | fmt->sampling_rate = fmt2->fmt.vbi.sampling_rate; | |
| 958 | fmt->sample_format = VIDEO_PALETTE_RAW; | |
| 959 | fmt->start[0] = fmt2->fmt.vbi.start[0]; | |
| 960 | fmt->count[0] = fmt2->fmt.vbi.count[0]; | |
| 961 | fmt->start[1] = fmt2->fmt.vbi.start[1]; | |
| 962 | fmt->count[1] = fmt2->fmt.vbi.count[1]; | |
| 963 | fmt->flags = fmt2->fmt.vbi.flags & 0x03; | |
| 4ac97914 | 964 | break; |
| 1da177e4 LT |
965 | } |
| 966 | case VIDIOCSVBIFMT: | |
| 967 | { | |
| 968 | struct vbi_format *fmt = arg; | |
| 969 | ||
| 67f1570a MS |
970 | if (VIDEO_PALETTE_RAW != fmt->sample_format) { |
| 971 | err = -EINVAL; | |
| 972 | break; | |
| 973 | } | |
| 974 | ||
| 7408187d | 975 | fmt2 = kzalloc(sizeof(*fmt2),GFP_KERNEL); |
| 1da177e4 LT |
976 | |
| 977 | fmt2->type = V4L2_BUF_TYPE_VBI_CAPTURE; | |
| 978 | fmt2->fmt.vbi.samples_per_line = fmt->samples_per_line; | |
| 979 | fmt2->fmt.vbi.sampling_rate = fmt->sampling_rate; | |
| 980 | fmt2->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY; | |
| 981 | fmt2->fmt.vbi.start[0] = fmt->start[0]; | |
| 982 | fmt2->fmt.vbi.count[0] = fmt->count[0]; | |
| 983 | fmt2->fmt.vbi.start[1] = fmt->start[1]; | |
| 984 | fmt2->fmt.vbi.count[1] = fmt->count[1]; | |
| 985 | fmt2->fmt.vbi.flags = fmt->flags; | |
| 986 | err = drv(inode, file, VIDIOC_TRY_FMT, fmt2); | |
| 987 | if (err < 0) { | |
| 988 | dprintk("VIDIOCSVBIFMT / VIDIOC_TRY_FMT: %d\n", err); | |
| 989 | break; | |
| 990 | } | |
| 991 | ||
| 992 | if (fmt2->fmt.vbi.samples_per_line != fmt->samples_per_line || | |
| 993 | fmt2->fmt.vbi.sampling_rate != fmt->sampling_rate || | |
| 67f1570a | 994 | fmt2->fmt.vbi.sample_format != V4L2_PIX_FMT_GREY || |
| 1da177e4 LT |
995 | fmt2->fmt.vbi.start[0] != fmt->start[0] || |
| 996 | fmt2->fmt.vbi.count[0] != fmt->count[0] || | |
| 997 | fmt2->fmt.vbi.start[1] != fmt->start[1] || | |
| 998 | fmt2->fmt.vbi.count[1] != fmt->count[1] || | |
| 999 | fmt2->fmt.vbi.flags != fmt->flags) { | |
| 1000 | err = -EINVAL; | |
| 1001 | break; | |
| 1002 | } | |
| 1003 | err = drv(inode, file, VIDIOC_S_FMT, fmt2); | |
| 1004 | if (err < 0) | |
| 1005 | dprintk("VIDIOCSVBIFMT / VIDIOC_S_FMT: %d\n", err); | |
| 1006 | break; | |
| 1007 | } | |
| 1008 | ||
| 1009 | default: | |
| 1010 | err = -ENOIOCTLCMD; | |
| 1011 | break; | |
| 1012 | } | |
| 1013 | ||
| 2ea75330 JJ |
1014 | kfree(cap2); |
| 1015 | kfree(fmt2); | |
| 1da177e4 LT |
1016 | return err; |
| 1017 | } | |
| 1018 | ||
| 1019 | EXPORT_SYMBOL(v4l_compat_translate_ioctl); | |
| 1020 | ||
| 1021 | /* | |
| 1022 | * Local variables: | |
| 1023 | * c-basic-offset: 8 | |
| 1024 | * End: | |
| 1025 | */ |